A multi-point flexible support method for complex curved surface components

Abstract

The present application relates to a kind of multi-point flexible support method for complex curved surface component, belong to curved surface support technical field, solve the problem that existing existing support device cannot automatically adapt curved surface component.The present application includes: step S1: multiple groups of support point adaptive device array arrangement;Step S2: curved surface component is placed on support point adaptive device;Support plate is under gravity and is down while compressing support point position adjusting device and support point position locking device;First support column is down and compresses first compression spring, and first claw switches different first annular clamping groove and is engaged;Second support column is down and compresses second compression spring;Step S3: remove first locking pin, make first claw slip along threaded groove, while along first support column axial displacement until with first annular clamping groove is completely aligned and engaged.The present application realizes the self-adapting multi-point support to curved surface component.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of curved surface support, in particular to a multi-point flexible support method for complex curved surface components. BACKGROUND

[0002] In the field of part support equipment, especially for components with complex curved surfaces, it is often necessary to design special tooling for support, which cannot be applied to any component with curved surface features.

[0003] At present, the multi-point support device based on the principle of "multi-point forming" has low automation, mostly relying on hydraulic cylinders to adjust the height of the support points to form the same curved surface as the component, which is unstable and limited by the size of the hydraulic cylinder, and is not suitable for supporting small curved components.

[0004] For example: an existing photovoltaic tracker and multi-point flexible support bracket adjusts the angle between the inclined beam and the stand by adjusting the length of the push rod, which also needs to be manually adjusted by hand, and the operation is complex and the reliability is low; another transmission mechanism for height adjustment and positioning of the multi-point flexible support body uses a worm gear and a worm, which is driven by a motor to adjust the shape of the part, but cannot automatically adapt to the complex curved surface features of the part, and relies on the motor to drive, consuming energy.

[0005] Therefore, in view of the problem that the existing support device cannot automatically adapt to the complex curved surface features, a multi-point flexible support method capable of automatically adapting to the complex curved surface is needed. SUMMARY

[0006] In view of the above analysis, the present application aims to provide a multi-point flexible support method for complex curved surface components to solve the problem that the existing support device cannot automatically adapt to the complex curved surface features of the part.

[0007] The purpose of the present application is mainly realized by the following technical solutions:

[0008] A multi-point flexible support method for complex curved surface components, comprising:

[0009] Step S1: array arrangement of multiple groups of support point adaptive devices;

[0010] Step S2: place the curved surface component above the support point adaptive device, and support it through the support plate; the support plate is lowered under the action of gravity and at the same time compresses the support point position adjusting device and the support point position locking device through the T-shaped support;

[0011] Step S3: remove the first locking pin to unlock the clasp; the clasp is lifted under the push of the first push spring to limit the first clamping jaw; remove the second locking pin to unlock the second clamping jaw; the second clamping jaw is clamped with the second circular ring slot on the second support column to lock the second support column.

[0012] Further, in step S1, the first locking pin is vertically arranged between the clamping ring and the internally threaded sleeve; for limiting the displacement of the clamping ring and the rotational movement of the internally threaded sleeve.

[0013] Further, in step S2, the support points of the adaptive device are lowered to different heights from the support plate, adapting to the shape of the bottom surface of the curved surface component.

[0014] Further, in step S2, the support plate is connected to the T-shaped support through a spherical hinge; the support plate rotates relative to the T-shaped support, and the upper surface of the support plate is tangent to the lower surface of the curved surface component.

[0015] Further, in step S2, the support point position adjusting device and the support point position locking device are arranged side by side below the T-shaped support; when the T-shaped support is lowered by gravity, the first support post is lowered relative to the first square guide rod and compresses the first compression spring; at the same time, the second support post is lowered relative to the second square guide rod and compresses the second compression spring.

[0016] Further, in step S2, when the first support post is lowered, the first claw installed on the internally threaded sleeve and the first support post are relatively displaced, and the first claw switches to different first annular clamping grooves for clamping.

[0017] Further, in step S3, after the first locking pin is removed, the first claw spring makes the first claw slide along the threaded groove on the first claw support; the first claw rotates relative to the first support post in the circumferential direction, and at the same time, the first claw axially displaces relative to the first support post, until the first claw is completely aligned with the first annular clamping groove; the first claw is completely clamped with the first annular clamping groove under the pushing force of the first claw spring.

[0018] Further, in step S3, when the first claw slides along the threaded groove, it can drive the internally threaded sleeve to rotate relative to the externally threaded base; when the internally threaded sleeve rotates relative to the externally threaded base, it simultaneously moves downward relative to the externally threaded base, thereby driving the first claw to move downward and align with the first annular clamping groove of the first support post.

[0019] Further, in step S3, the locking process of the second claw on the second support post is as follows:

[0020] Step S31: the second locking pin unlocks the second claw; the second claw is clamped into the second annular clamping groove of the second support post;

[0021] Step S32: when the internally threaded sleeve rotates, it drives the second gear fixedly connected thereto to rotate; the second gear transmits the rotational motion to the third gear through the fourth gear; the third gear drives the second square guide rod fixedly connected thereto to rotate, and drives the second support post to rotate through the second square guide rod;

[0022] Step S33: The second support can be displaced downward relative to the T-shaped support when rotating, so that the second circular ring clamping groove is completely aligned with the second clamping jaw, and then the second clamping jaw is completely clamped into the second circular ring clamping groove.

[0023] Further, in step S31, the step of unlocking the second clamping jaw by the second locking pin is:

[0024] Step S31a: The second locking pin is pulled out of the locking pin hole of the rectangular support, and the second locking pin releases the limiting of the rectangular support and the clamping jaw locking buckle;

[0025] Step S31b: The two sets of clamping jaw locking buckles are slid along the T-shaped guide rail and away from each other under the elastic force of the unlocking spring, the clamping jaw locking buckle is removed from the locking groove of the second clamping jaw, and the limiting of the second clamping jaw is released.

[0026] Step S31c: The second clamping jaw is displaced radially relative to the second clamping jaw support under the elastic force of the second clamping jaw spring and is clamped into the second circular ring clamping groove of the lower half of the second support.

[0027] The support point adaptive device comprises a support plate, a T-shaped support, a first locking pin, and a support point position adjusting device;

[0028] The upper part of the T-shaped support is connected to the support plate through a spherical hinge; the support plate is used to contact the lower surface of the complex curved surface component; the support point position adjusting device is fixedly connected to the T-shaped support;

[0029] The support point position adjusting device comprises an outer threaded base, a first clamping jaw support, an inner threaded sleeve, a first support, a first clamping jaw, a first square guide rod, and a first compression spring;

[0030] The upper end of the first support is fixedly connected to the T-shaped support; the lower end of the first support is provided with a square hole, and the square hole is in sliding fit with the first square guide rod; the first compression spring is arranged in the square hole of the first support and located between the first support and the first square guide rod.

[0031] Further, the outer surface of the first support is provided with a plurality of first circular ring clamping grooves arranged side by side; the first clamping jaw support and the inner threaded sleeve are sequentially sleeved on the outside of the first support; the first clamping jaw is slidably installed on the inner threaded sleeve, and when the first clamping jaw slides radially relative to the inner threaded sleeve, it can be clamped into or slid out of the first circular ring clamping groove.

[0032] Further, the first clamping jaw support is provided with a threaded groove; the first clamping jaw can be clamped with the first circular ring clamping groove through the threaded groove;

[0033] The first claw has a first ratchet at one end and a rod part at the other end, the rod part is slidingly installed in a through hole on the inner threaded sleeve through a threaded slot; the first ratchet can be clamped into the first circular ring clamping groove; a first claw spring is arranged between the first claw support and the first ratchet of the first claw, and the first claw spring is sleeved on the rod part of the first claw.

[0034] Further, the first claw support and the first square guide rod are fixedly connected with the outer threaded base; the inner threaded sleeve is screwed on the outside of the outer threaded base; when the first claw slides along the threaded slot, the inner threaded sleeve can rotate relative to the outer threaded base, and the first claw is displaced relative to the axis of the first support.

[0035] Further, the outer part of the inner threaded sleeve is fixedly installed with a second gear; a clamping ring is arranged above the second gear, and the clamping ring is slidingly sleeved on the outer part of the inner threaded sleeve; a first thrust spring is arranged between the clamping ring and the second gear; a first locking pin mounting hole and a second locking pin mounting hole are respectively arranged on the inner threaded sleeve and the clamping ring; a first locking pin is installed in the first locking pin mounting hole and the second locking pin mounting hole; when the first locking pin is pulled out, the inner threaded sleeve and the clamping ring can slide relative to each other.

[0036] Further, the support point position self-adaptive device further comprises: a support point position locking device; the support point position locking device and the support point position adjusting device are arranged side by side, and the T-shaped support is arranged above the support point position adjusting device and the support point position locking device; the support point position locking device is screwed with the T-shaped support.

[0037] Further, the support point position locking device comprises: a second support, a second compression spring, a second square guide rod, a second claw support, a second claw, a second claw spring and a claw limiting assembly.

[0038] The second support is sleeved on the outside of the second square guide rod and can slide relative to each other; the second compression spring is arranged between the second support and the second square guide rod; the second claw support is sleeved on the outside of the second support and the second square guide rod; the first base is rotatably connected with the second square guide rod through the first bearing;

[0039] The upper half of the second support is provided with an outer thread, and is screwed with the T-shaped support; the lower half of the second support is provided with a second circular ring clamping groove; the second circular ring clamping groove can be clamped with the second claw.

[0040] The second claw is slidingly installed on the second claw support, and the end of the second claw is provided with a second ratchet, and the second ratchet is provided with a second claw spring between the second claw support.

[0041] Further, the tail of the second claw is provided with a lock groove; the claw limiting assembly cooperates with the lock groove to limit the displacement of the second claw relative to the second claw support; when the claw limiting assembly is unlocked, the second ratchet of the second claw can be clamped with the second circular ring clamping groove.

[0042] Further, the outer part of the internally threaded sleeve is fixedly installed with a second gear; the second gear is in meshing transmission with a third gear through a fourth gear; the third gear is fixedly connected with the second square guide rod through a fixing bolt; the fixing bolt is fixedly connected with the second square guide rod through the arc-shaped groove on the outer side of the first base; the internally threaded sleeve can drive the second square guide rod to rotate synchronously through the second gear, the fourth gear and the third gear; the second square guide rod can drive the second support to rotate, and the second support can be displaced relative to the T-shaped support through rotation.

[0043] Further, a plurality of sets of support point self-adaptive devices are arranged in an array on the rack and can drive the first locking pin and the second locking pin to be unlocked synchronously through a gear transmission mechanism.

[0044] In the application, when the support plate is displaced under the action of the gravity of the complex curved surface component, the first support slides relative to the first square guide rod while compressing the first compression spring; the first support is displaced downward, the first claw slides relative to the first support, and the first ratchet of the first claw is switched to clamp different first circular ring clamping grooves.

[0045] In the application, when the first ratchet and the first circular ring clamping groove are not completely clamped, the elastic force of the first claw spring can push the first claw to slide along the threaded groove, and at the same time, the first claw drives the internally threaded sleeve to rotate relative to the externally threaded base; when the first claw slides along the threaded groove, the first claw can be displaced relative to the first support axis, so as to adjust the clamping degree of the first ratchet and the first circular ring clamping groove.

[0046] In the application, the clamping ring can be displaced upward relative to the internally threaded sleeve under the elastic force of the first thrust spring, so as to lock the first claw, limit the transverse displacement of the first claw relative to the internally threaded sleeve, prevent the first claw from switching the first circular ring clamping groove to clamp, and limit the relative displacement of the first claw and the first support.

[0047] Further, the second gear is in meshing transmission with the third gear through the fourth gear; when the internally threaded sleeve rotates, the second square guide rod can be driven to rotate synchronously through the second gear, the fourth gear and the third gear.

[0048] When the third gear rotates, the second square guide rod can drive the second support to rotate; when the second support rotates relative to the T-shaped support, the longitudinal height of the second support is adjusted, so as to adjust the clamping degree of the second circular ring clamping groove and the second ratchet.

[0049] When the first locking pin is pulled out, the inner threaded sleeve and the snap ring can be unlocked; when the second locking pin is pulled out, the square locking support and the rectangular support can be unlocked.

[0050] The technical scheme of the present application can achieve at least one of the following effects:

[0051] 1. The multi-point flexible support method can realize adaptive stable support of complex curved surface components, support of complex curved surface components, and clamping of the support column by the clamping jaw to effectively prevent the components from shaking during processing, thereby improving the processing precision of the complex curved surface components.

[0052] 2. The multi-point flexible support method can adjust the height of each support point according to the curved surface characteristics of the components by the compression spring in the support point adjusting device and the support point locking device, is suitable for components with different curved surface characteristics, realizes the flexibility of the support device, and reduces the production cost of enterprises.

[0053] 3. The multi-point flexible support method can make the ratchet teeth at the end of the clamping jaw slide and switch different positions in the adjacent circular clamping grooves for locking by the circular clamping grooves and the clamping jaw, overcome the shortcoming that the traditional locking mechanism can only be locked at a certain position, realize automatic locking at any position, that is, stepless locking, and thus be suitable for any complex curved surface components and have high automation degree without manual operation.

[0054] 4. The multi-point flexible support method can make the first clamping jaw displace relative to the first support column by the threaded groove, adjust the alignment of the first clamping jaw and the first circular clamping groove, drive the second support column to displace relative to the T-shaped support by the gear transmission, and adjust the alignment of the second clamping jaw and the second circular clamping groove; the clamping jaw can lock the support column, the first clamping jaw and the first circular clamping groove are completely aligned and clamped by slightly adjusting the first clamping jaw and the second support column, the second clamping jaw and the second circular clamping groove are completely aligned and clamped, the stability of locking is ensured, the positions of the first support column and the second support column are reliable, and the support stability of the multi-point flexible support device is realized.

[0055] In the present application, the above technical schemes can be combined with each other to realize more preferred combination schemes. Other features and advantages of the present application will be described in the subsequent specification, and some advantages will become apparent from the specification or be understood by implementing the present application. The purposes and other advantages of the present application can be realized and obtained from the contents specifically indicated in the specification and the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0056] The accompanying drawings are included to provide a further understanding of the embodiments and are incorporated in and constitute a part of this specification. The drawings are not intended to be restrictive in any way.

[0057] Figure 1 Support point position adaptive device for the multi-point flexible support method of the present application;

[0058] Figure 2 Axonometric view of the support point position adjusting device of the present application;

[0059] Figure 3 Schematic view of the position relationship of the locking pin, the first connecting rod, the second connecting rod and the second rack of the present application;

[0060] Figure 4 Cross-sectional view of the support point position adjusting device after the first clamping jaw and the first support post are fully engaged;

[0061] Figure 5 Axonometric view of the support point position locking device of the present application; Figure 4

[0062] Figure 6 Schematic view of the position relationship of the first support post, the first clamping jaw support and the external thread base of the present application;

[0063] Figure 7 Schematic view of the position relationship of the first support post, the first clamping jaw and the first clamping jaw spring of the present application;

[0064] Figure 8 Axonometric view of the support point position locking device of the present application;

[0065] Figure 9 Cross-sectional view of the support point position locking device after the second clamping jaw and the second support post are fully engaged, perpendicular to the direction of the second clamping jaw;

[0066] Figure 10 Cross-sectional view of the support point position locking device after the second clamping jaw and the second support post are fully engaged, along the axis direction of the second clamping jaw;

[0067] Figure 11 Axonometric view of the support point position locking device of the present application; Figure 10

[0068] Figure 12 Schematic view of the position relationship of the second support post, the second clamping jaw and the second clamping jaw spring of the present application;

[0069] Figure 13 Schematic view of the position relationship of the square locking support, the clamping jaw locking buckle and the rectangular support of the present application;

[0070] Figure 14 ​​Fig. 1 is a schematic view of the position relationship of the claw lock dead latch, the rectangular bracket and the fixed bracket of the present application;

[0071] Figure 15 Fig. 4 is a schematic view of the arrangement mode of the support point adaptive device in the rack;

[0072] Figure 16 Fig. 5 is a schematic view of the installation of the gear transmission mechanism on the rack;

[0073] Figure 17 Fig. 6 is a flow chart of the multi-point flexible support method of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0075] 1-rack; 2-gear transmission mechanism; 3-support point adaptive device; 4-support point adjusting device; 5-support point locking device;

[0076] 211-first rack gear; 212-first pinion; 213-pinion support; 214-sliding rod; 215-vertical guide slot; 216-spiral guide slot; 217-circular guide rod;

[0077] 41-outer threaded base; 42-first claw support; 43-inner threaded sleeve; 44-second pinion; 45-first thrust spring; 46-clasp; 47-first claw; 48-first compression spring; 49-first spring positioning block; 410-first support column; 411-T-shaped support; 412-support plate; 413-first claw spring; 414-first square guide rod; 415-first locking pin; 416-first connecting rod; 417-second connecting rod; 418-second rack gear; 419-threaded slot;

[0078] 51-second support column; 52-second compression spring; 53-second square guide rod; 54-first bearing; 55-first base; 56-third pinion; 57-second base; 58-fourth pinion; 59-fixing bolt; 510-second claw support; 511-L-shaped bracket; 512-second thrust spring; 513-square dead latch support; 514-claw dead latch; 515-unlocking spring; 516-rectangular bracket; 517-first fixed bracket; 518-second claw; 519-second claw spring; 520-second spring positioning block; 521-T-shaped guide rail; 522-T-shaped guide slot; 523-locking slot; 524-second locking pin; 525-second fixed bracket; 526-vertical slot. DETAILED DESCRIPTION

[0079] The preferred embodiments of the present application will be described in detail below with reference to the accompanying drawings, which form a part of this application. The accompanying drawings and the description thereof are included to explain the principles of the present application and to enable a person skilled in the art to make and use the application. The present application is not limited to the embodiments disclosed.

[0080] Embodiment 1

[0081] One specific embodiment of the present application, as shown in Figure 17 discloses a multi-point flexible support method for complex curved surface components, which is supported by a flexible adaptive device as shown in Figures 1-16 .

[0082] As shown in Figure 15 , the flexible adaptive device comprises a rack 1, a gear transmission mechanism 2 and a plurality of sets of arrayed support point adaptive devices 3. The plurality of sets of support point adaptive devices 3 are arrayed on the rack 1 and connected with the first locking pin 415 and the second locking pin 524 through the gear transmission mechanism 2, driving the first locking pin 415 and the second locking pin 524 to displace, thereby unlocking the support point position adjusting device 4 and the support point position locking device 5.

[0083] As shown in Figure 17 , a multi-point flexible support method for complex curved surface components comprises:

[0084] Step S1: arraying a plurality of sets of support point adaptive devices 3;

[0085] Step S2: placing the curved surface component above the support point adaptive device 3 and supporting it through the support plate 412; the support plate 412 is lowered by gravity and simultaneously compresses the support point position adjusting device 4 and the support point position locking device 5 through the T-shaped support 411;

[0086] Step S3: removing the first locking pin 415 to unlock the snap ring 46; the snap ring 46 is lifted by the first push spring 45 to limit the first clamping jaw 47; removing the second locking pin 524 to unlock the second clamping jaw 518; the second clamping jaw 518 is engaged with the second circular ring clamping groove on the second support column 51 to lock the second support column 51.

[0087] Further, in step S1, the first locking pin 415 is vertically arranged between the snap ring 46 and the internally threaded sleeve 43; for limiting the displacement of the snap ring 46 and the rotational movement of the internally threaded sleeve 43.

[0088] Further, in step S2, the support plates 412 of the plurality of sets of support point adaptive devices 3 have different lowering heights to adapt to the shape of the bottom surface of the curved surface component.

[0089] Further, in step S2, the support plate 412 and the T-shaped support 411 are connected through a spherical hinge; the support plate 412 rotates relative to the T-shaped support 411, and the upper surface of the support plate 412 is tangent to the lower surface of the curved surface component.

[0090] Further, in step S2, the support point position adjusting device 4 and the support point position locking device 5 are arranged side by side below the T-shaped support 411; when the T-shaped support 411 moves downward under the action of gravity, the first support column 410 moves downward relative to the first square guide rod 414 and compresses the first compression spring 48; at the same time, the second support column 51 moves downward relative to the second square guide rod 53 and compresses the second compression spring 52.

[0091] Further, in step S2, when the first support column 410 moves downward, the first claw 47 slidingly installed on the inner threaded sleeve 43 moves relative to the first support column 410, and at the same time, the first claw 47 switches to a different first annular claw slot for clamping.

[0092] Further, in step S3, after the first locking pin 415 is removed, the first claw spring 413 causes the first claw 47 to slide along the threaded groove 419 on the first claw support 42; the first claw 47 rotates circumferentially relative to the first support column 410, and at the same time, the first claw 47 moves axially relative to the first support column 410, until the first claw 47 is completely aligned with the first annular claw slot; under the action of the pushing force of the first claw spring 413, the first claw 47 is completely clamped with the first annular claw slot.

[0093] Further, in step S3, when the first claw 47 slides along the threaded groove 419, it can drive the inner threaded sleeve 43 to rotate relative to the outer threaded base 41; when the inner threaded sleeve 43 rotates relative to the outer threaded base 41, it moves downward relative to the outer threaded base 41 synchronously, thereby driving the first claw 47 to move downward and align with the first annular claw slot of the first support column 410.

[0094] Further, in step S3, the locking process of the second claw 518 to the second support column 51 is as follows:

[0095] Step S31: the second locking pin 524 unlocks the second claw 518; the second claw 518 is clamped into the second annular claw slot of the second support column 51;

[0096] Step S32: when the inner threaded sleeve 43 rotates, it drives the third gear 44 fixedly connected thereto to rotate; the third gear 44 transmits the rotary motion to the fourth gear 56 through the fifth gear 58; the fourth gear 56 drives the second square guide rod 53 fixedly connected thereto to rotate, and drives the second support column 51 to rotate through the second square guide rod 53;

[0097] Step S33: when the second support column 51 rotates, it can move downward relative to the T-shaped support 411, so that the second annular claw slot is completely aligned with the second claw 518, and then the second claw 518 is completely clamped into the second annular claw slot.

[0098] Further, in step S31, the step of unlocking the second claw 518 by the second locking pin 524 is as follows:

[0099] Step S31a: the second locking pin 524 is pulled out of the locking pin hole of the rectangular bracket 516, and the second locking pin 524 releases the limiting of the rectangular bracket 516 and the claw locking catch 514;

[0100] Step S31b: the two sets of claw locking catches 514 slide along the T-shaped guide rail 521 and move away from each other under the elastic force of the unlocking spring 515, the claw locking catch 514 moves out of the locking groove 523 of the second claw 518, and the limiting of the second claw 518 is released;

[0101] Step S31c: the second claw 518 is radially displaced relative to the second claw support 510 under the elastic force of the second claw spring 519 and is clamped into the second circular ring clamping groove of the lower half of the second support 51.

[0102] As shown in Figure 1 , the support point adaptive device 3 comprises a support plate 412, a T-shaped support 411, a support point position adjusting device 4, and a support point position locking device 5. The support plate 412 is connected to the upper part of the T-shaped support 411 through a ball hinge; the support plate 412 is in contact with the lower surface of the complex curved surface component; the ball hinge structure is provided to enable the support plate 412 to freely deflect relative to the T-shaped support 411, thereby achieving support of the complex curved surface component.

[0103] The support point position adjusting device 4 is fixedly connected to the T-shaped support 411; and the support point position locking device 5 is threadedly connected to the T-shaped support 411.

[0104] The support point position adjusting device 4 comprises a first claw 47 and a first support 410, and the support point position adjusting device 4 controls the locking position of the support point position through the engagement of the first claw 47 and the first support 410. The support point position locking device 5 comprises a second claw 518, a second support 51, and a claw limiting assembly, and the support point position locking device 5 limits the relative displacement of the second claw 518 and the second support 51 through the claw limiting assembly, thereby locking the support point position.

[0105] In order to achieve the support effect of steps S2 and S3, the specific structure and composition of the support point position adjusting device 4 and the support point position locking device 5 of the present application are provided below.

[0106] (I) Support point position adjusting device 4:

[0107] As shown in Figure 4 , Figure 5 , Figure 6 and Figure 7 , the support point position adjusting device 4 comprises an outer threaded base 41, a first claw support 42, an inner threaded sleeve 43, a first support 410, a first claw 47, a first square guide rod 414, and a first compression spring 48.

[0108] The upper end of the first support column 410 is fixedly connected with the T-shaped support 411; the lower end of the first support column 410 is provided with a square hole, and is in sliding fit with the first square guide rod 414 through the square hole; the first compression spring 48 is arranged in the square hole of the first support column 410, and is located between the first support column 410 and the first square guide rod 414. When the first support column 410 slides downward relative to the first square guide rod 414, the first compression spring 48 is compressed.

[0109] As shown in Figure 5 , Figure 6 , Figure 7 , the outer surface of the first support column 410 is provided with a plurality of first annular clamping grooves arranged side by side.

[0110] Specifically, the first clamping jaw support 42 is provided with a threaded groove 419.

[0111] Specifically, one end of the first clamping jaw 47 is provided with a first ratchet tooth capable of being clamped into the first annular clamping groove. The other end of the first clamping jaw 47 is provided with a first cylindrical segment, which is slidingly installed in a through hole on the inner threaded sleeve 43 through the first spring positioning block 49 and the threaded groove 419, and the first clamping jaw 47 can slide in the horizontal direction relative to the inner threaded sleeve 43. The first clamping jaw spring 413 is arranged between the first spring positioning block 49 and the first ratchet tooth of the first clamping jaw 47; the first clamping jaw support 42 is fixedly connected with the outer threaded base 41, and the inner threaded sleeve 43 is screwed on the outside of the outer threaded base 41.

[0112] Specifically, the lower end of the first square guide rod 414 is fixedly connected with the outer threaded base 41.

[0113] Specifically, the outer threaded base 41 provided with threads on the outside is fixed on the rack 1, and the first clamping jaw support 42 fixedly connected with the outer threaded base 41 is provided with a threaded groove 419, and the thread pitch of the threaded groove 419 is equal to the thread pitch on the outer threaded base 41.

[0114] Specifically, the inner threaded sleeve 43 located on the outside of the first clamping jaw support 42 is provided with through holes arranged in an array and matched with the first clamping jaw 47.

[0115] Specifically, the inner threaded sleeve 43 is matched with the outer threads of the outer threaded base 41 through the inner threads provided below.

[0116] Specifically, the first clamping jaw 47 can slide in the radial direction relative to the inner threaded sleeve 43; and the first clamping jaw 47 can slide along the threaded groove 419 on the first clamping jaw support 42 to realize the circumferential rotation of the first clamping jaw 47 relative to the first clamping jaw support 42.

[0117] Specifically, as shown in Figure 7As shown, the first pawl spring 413 is located between the first ratchet and the first spring positioning block 49 abutting the inner side of the first pawl support 42.

[0118] Specifically, the first locking pin 415 can move along the axis direction of the locking pin mounting hole on the inner threaded sleeve 43 and the clasp ring 46.

[0119] Specifically, one end of the T-shaped support 411 is fixedly connected with the first support column 410; the other end of the T-shaped support 411 is provided with a threaded hole, the pitch of the threaded hole is equal to that of the threads on the outer threaded base 41, and the threaded hole is screwed with the second support column 51.

[0120] Further, the clasp ring 46 is slidingly mounted on the outside of the inner threaded sleeve 43; the second gear 44 is mounted on the outside of the inner threaded sleeve 43, and the first thrust spring 45 is arranged between the clasp ring 46 and the second gear 44; the first locking pin 415 is mounted in the first locking pin mounting hole and the second locking pin mounting hole which are coaxial on the inner threaded sleeve 43 and the clasp ring 46 respectively. The side of the inner threaded sleeve 43 is provided with the first locking pin mounting hole matched with the first locking pin 415, and the clasp ring 46 is provided with the second locking pin mounting hole.

[0121] Specifically, the second gear 44 is provided with a rectangular guide groove, the inner threaded sleeve 43 is provided with a rectangular guide rail, and the second gear 44 is slidingly mounted on the inner threaded sleeve 43 in cooperation with the rectangular guide groove and the rectangular guide rail; the second gear 44 is fixed with the inner threaded sleeve 43 in the circumferential direction and can slide relative to the inner threaded sleeve 43 in the longitudinal direction.

[0122] Specifically, the clasp ring 46 located on the outside of the inner threaded sleeve 43 is slidingly matched with the inner threaded sleeve 43 through the rectangular guide groove arranged on the inner side, and the clasp ring 46 is fixed with the inner threaded sleeve 43 in the circumferential direction and can slide relative to the inner threaded sleeve 43 in the longitudinal direction.

[0123] When the first locking pin 415 is pulled out, the inner threaded sleeve 43 and the clasp ring 46 can slide relative to each other, and the inner threaded sleeve 43 can rotate relative to the first pawl support 42.

[0124] In the present application, when the support plate 412 moves under the action of the gravity of the complex curved surface component, the first support column 410 slides relative to the first square guide rod 414 while compressing the first compression spring 48; the first support column 410 moves downward, the first pawl 47 slides relative to the first support column 410, and the first ratchet of the first pawl 47 switches different first circular ring clamping grooves for clamping.

[0125] In the application, when the first ratchet and the first ring slot are not completely engaged, the elastic force of the first clamping spring 413 can push the first clamping jaw 47 to slide along the threaded groove 419, and at the same time, the first clamping jaw 47 drives the inner threaded sleeve 43 to rotate relative to the outer threaded base 41. When the first clamping jaw 47 slides along the threaded groove 419, it can displace relative to the axis of the first support 410, thereby adjusting the engagement degree of the first ratchet and the first ring slot.

[0126] In the application, the clamping ring 46 can be pushed upwards relative to the inner threaded sleeve 43 by the elastic force of the first push spring 45, thereby locking the first clamping jaw 47 and limiting the transverse displacement of the first clamping jaw 47 relative to the inner threaded sleeve 43, so that the first clamping jaw 47 cannot switch the first ring slot for engagement, and the relative displacement of the first clamping jaw 47 and the first support 410 is limited.

[0127] In step S2, the curved surface member and the support plate 412, the T-shaped support 411 and the first support 410 together descend along the guide rail direction of the first square guide rod 414, compressing the first compression spring 48; the first clamping jaw 47 reciprocally extends and retracts to switch different first ring slots for engagement.

[0128] In step S2, when the curved surface member reaches the lowest point, the first clamping jaw 47 may not have completely reached the bottom of the ring slot on the first support 410 and may not have completely engaged it, and the first support 410 may still be able to descend, i.e., the curved surface member can still be able to shake. Therefore, the first locking pin 415 is completely removed from the clamping ring 46 and the inner threaded sleeve 43, so that the inner threaded sleeve 43 can freely rotate relative to the outer threaded base 41.

[0129] In step S3, since the first clamping jaw 47 has not completely reached the bottom of the first ring slot on the first support 410, the first clamping spring 413 is in a compressed state. Under the action of the elastic force of the first clamping spring 413, the first clamping jaw 47 rotates circumferentially relative to the first clamping jaw support 42 along the threaded groove 419 on the first clamping jaw support 42. When the first clamping jaw support 42 slides along the threaded groove 419, it can drive the inner threaded sleeve 43 to rotate relative to the outer threaded base 41, thereby adjusting the height of the first clamping jaw 47 while the inner threaded sleeve 43 also axially displaces relative to the outer threaded base 41. During the process, the first clamping jaw 47 continues to displace along the axis of the clamping jaw mounting hole on the inner threaded sleeve 43 under the push of the first clamping spring 413, and further engages with the first ring slot, until the first clamping jaw 47 is completely clamped into the first ring slot.

[0130] Under the driving of the circumferential movement of the first claw 47, the internally threaded sleeve 43 rotates circumferentially relative to the externally threaded base 41, and at the same time, the second gear 44 rotates circumferentially relative to the externally threaded base 41. The second gear 44 drives the third gear 56 and the second support 51 to rotate, so as to synchronously adjust the clamping degree of the second claw 518 and the second annular clamping groove.

[0131] In step S3, when the first locking pin 415 is completely removed from the clasp 46, the clasp 46 slides upward under the elastic force of the first push spring 45; after the first claw 47 is completely clamped into the first annular clamping groove, the clasp 46 continues to slide upward under the elastic force of the first push spring 45, and completely blocks the claw mounting hole on the internally threaded sleeve 43, so that the symmetrically arranged first claws 47 cannot move away from each other, thereby maintaining the clamping state of the first support 410 and maintaining the support stability of the complex curved surface component.

[0132] (II) Support point locking device 5:

[0133] As shown in Figure 8 , Figure 9 , Figure 10 , Figure 11 , Figure 12 , Figure 13 and Figure 14 , the support point locking device 5 comprises a second support 51, a second compression spring 52, a second square guide rod 53, a first base 55, a second claw support 510, a second claw 518, a second claw spring 519 and a claw limiting assembly.

[0134] As shown in Figure 9 , the second support 51 is sleeved outside the second square guide rod 53 and can slide relative to the second square guide rod 53; the second support 51 and the second square guide rod 53 are provided with the second compression spring 52; the second compression spring 52 is arranged in the square hole in the second support 51; when the support plate 412 and the T-shaped support 411 move downward under the gravity, the second support 51 moves downward relative to the second square guide rod 53, thereby compressing the second compression spring 52, and the elastic force of the second compression spring 52 supports the structural member.

[0135] Further, as shown in Figure 8 , Figure 9 , the first base 55 and the second base 57 are fixedly connected with the rack 1. The second claw support 510 is sleeved outside the second support 51 and the second square guide rod 53; the second claw support 510 is fixedly connected with the first base 55 through a bolt; and the second square guide rod 53 is rotatably connected with the first base 55 through the first bearing 54. When the second square guide rod 53 rotates, it can drive the second support 51 to rotate synchronously, thereby causing the second support 51 to move upward and downward relative to the T-shaped support 411.

[0136] AsFigure 9 、 Figure 10 As shown in FIGS. 11 and 12, the upper half of the second pillar 51 is provided with external threads, and the lower half of the second pillar 51 is provided with a second circular ring clamping groove.

[0137] The external threads of the upper half of the second pillar 51 are screwed with the threaded hole at one end of the T-shaped support 411. When the second pillar 51 rotates, it can displace relative to the T-shaped support 411. The second circular ring clamping groove of the lower half of the second pillar 51 is used to clamp with the second clamping jaw 518 on the second clamping jaw support 510.

[0138] Specifically, as shown in FIGS. 11 and 12, the lower end of the second pillar 51 is provided with a second circular ring clamping groove arranged in an array with the opening downward. The two sides of the second clamping jaw support 510 are provided with four through holes arranged in a symmetrical array and matched with the second clamping jaw 518. The second clamping jaw 518 is slidingly installed in the through holes on the two sides of the second clamping jaw support 510. Figure 9 Figure 10 As shown in FIGS. 11 and 12, the lower end of the second pillar 51 is provided with a second circular ring clamping groove arranged in an array with the opening downward. The two sides of the second clamping jaw support 510 are provided with four through holes arranged in a symmetrical array and matched with the second clamping jaw 518. The second clamping jaw 518 is slidingly installed in the through holes on the two sides of the second clamping jaw support 510.

[0139] As shown in FIGS. 11 and 12, the lower end of the second pillar 51 is provided with a second circular ring clamping groove arranged in an array with the opening downward. The two sides of the second clamping jaw support 510 are provided with four through holes arranged in a symmetrical array and matched with the second clamping jaw 518. The second clamping jaw 518 is slidingly installed in the through holes on the two sides of the second clamping jaw support 510. Figure 12 As shown in FIGS. 11 and 12, the lower end of the second pillar 51 is provided with a second circular ring clamping groove arranged in an array with the opening downward. The two sides of the second clamping jaw support 510 are provided with four through holes arranged in a symmetrical array and matched with the second clamping jaw 518. The second clamping jaw 518 is slidingly installed in the through holes on the two sides of the second clamping jaw support 510.

[0140] Figure 10 As shown in FIGS. 11 and 12, the lower end of the second pillar 51 is provided with a second circular ring clamping groove arranged in an array with the opening downward. The two sides of the second clamping jaw support 510 are provided with four through holes arranged in a symmetrical array and matched with the second clamping jaw 518. The second clamping jaw 518 is slidingly installed in the through holes on the two sides of the second clamping jaw support 510.

[0141] Further, the tail of the second clamping jaw 518 is provided with a lock groove 523. The clamping jaw limiting assembly cooperates with the lock groove 523 to limit the displacement of the second clamping jaw 518 relative to the second clamping jaw support 510. When the clamping jaw limiting assembly locks the second clamping jaw 518, the second clamping jaw 518 cannot be clamped with the second circular ring clamping groove. When the clamping jaw limiting assembly is unlocked, the second ratchet teeth of the second clamping jaw 518 can be clamped with the second circular ring clamping groove.

[0142] Specifically, the second locking pin 524 is used to unlock the clamping jaw limiting assembly. When the clamping jaw limiting assembly is unlocked, the second clamping jaw 518 is clamped into the second circular ring clamping groove under the elastic force of the second clamping jaw spring 519.

[0143] ​​In one specific embodiment of the present application, as shown in Figure 10 、 Figure 13 、 Figure 14 The claw limiting assembly comprises an L-shaped support 511, a second push spring 512, a square locking support 513, two rectangular supports 516, two mutually parallel T-shaped guide rails 521, two sets of claw locking buckles 514 and unlocking springs 515.

[0144] Specifically, as shown in Figure 10 The L-shaped support 511 is fixedly connected with the second claw support 510 and the first base 55 by bolts; the lower end of the square locking support 513 is provided with four sliding struts, and the square locking support 513 is slidingly connected with the L-shaped support 511 through the four sliding struts; the second push spring 512 is arranged between the L-shaped support 511 and the square locking support 513, and the second push spring 512 is sleeved outside the sliding struts. When the second locking pin 524 locks the square locking support 513, the second push spring 512 is in a compressed state.

[0145] Specifically, the L-shaped support 511 is provided in plurality and is arrayed at the periphery of the second claw support 510.

[0146] Specifically, the square locking support 513 is covered outside the second claw support 510, and the T-shaped guide rails 521 are arranged on the inner wall surface of the square locking support 513; the T-shaped guide grooves 522 are arranged on the claw locking buckles 514, and the claw locking buckles 514 are slidingly installed on the T-shaped guide rails 521 through the T-shaped guide grooves 522. The claw locking buckles 514 and the T-shaped guide rails 521 are symmetrically arranged in two sets, and the unlocking springs 515 are arranged between the two sets of claw locking buckles 514; the two rectangular supports 516 are fixedly connected with the two sets of claw locking buckles 514, respectively.

[0147] Specifically, when the second locking pin 524 locks the square locking support 513, the end portion of the claw locking buckle 514 can be clamped into the locking groove 523 at the tail portion of the second claw 518 to limit the displacement of the second claw 518; and the unlocking spring 515 is in a compressed state.

[0148] As shown in Figure 13 、 Figure 14 The two rectangular supports 516 are positioned by the two second locking pins 524, the second locking pin 524 is inserted into the locking pin hole of the rectangular support 516 through the vertical slot 526 on the square locking support 513 to limit the two rectangular supports 516, which can limit the displacement of the two sets of claw locking buckles 514; when the second locking pin 524 limits the rectangular support 516 and the claw locking buckle 514, the unlocking spring 515 is in a compressed state.

[0149] In implementation, when the second locking pin 524 is pulled out of the locking pin hole of the rectangular support 516, the second locking pin 524 releases the limiting of the rectangular support 516; under the elastic force of the unlocking spring 515, the two sets of claw locking buckles 514 slide along the T-shaped guide rail 521 and move away from each other, the claw locking buckle 514 moves out of the locking groove 523 of the second claw 518, and the limiting of the second claw 518 is released; further, the second claw 518 can be radially displaced relative to the second claw support 510 under the elastic force of the second claw spring 519 and clamped into the second circular ring clamping groove in the lower half of the second support column 51.

[0150] In step S3, after the second locking pin 524 is pulled out of the rectangular support 516, the square locking support 513 can be displaced upward under the elastic force of the second thrust spring 512, thereby blocking the second claw 518 and limiting the second claw 518 from moving out of the second circular ring clamping groove.

[0151] The present application achieves locking and limiting of the second claw 518, the second support column 51 and the support plate 412 by arranging the square locking support 513, and can stably support the complex curved surface component above the support plate 412 in a fixed position.

[0152] Further, when the second claw 518 is clamped into the second circular ring clamping groove, since the height of the second support column 51 is uncertain, the second ratchet of the second claw 518 may not be completely clamped with the second circular ring clamping groove, and therefore the height of the second support column 51 needs to be adjusted. Specifically, by rotating the second support column 51 relative to the T-shaped support 411, the height of the second support column 51 can be adjusted in a small amount.

[0153] Further, the second square guide rod 53 is fixedly connected with the third gear 56 through a fixing bolt 59. The fixing bolt 59 passes through the third gear 56 and an arc-shaped groove on the first base 55 and is fixedly connected with the second square guide rod 53; when the third gear 56 rotates, the second square guide rod 53 can rotate synchronously with the third gear 56, and then the second square guide rod 53 can drive the second support column 51 to rotate and adjust the clamping degree of the second circular ring clamping groove and the second claw 518.

[0154] Further, the outer threaded base 41 is externally fixedly installed with a second gear 44; the second gear 44 is meshed and driven with a fourth gear 58 and the third gear 56; the third gear 56 is fixedly connected with the second square guide rod 53 through the fixing bolt 59; the outer threaded base 41 can drive the second square guide rod 53 to rotate synchronously through the second gear 44, the fourth gear 58 and the third gear 56.

[0155] Specifically, the fourth gear 58 is rotatably installed on the second base 57, and the second base 57 is fixedly installed on the rack 1. The third gear 56 is rotatably installed on the first base 55 of the support point position locking device 5. When the third gear 56 rotates, the second square guide rod 53 can drive the second support column 51 to rotate; when the second support column 51 rotates relative to the T-shaped support 411, the longitudinal height of the second support column 51 is adjusted, and then the clamping degree of the second circular ring clamping groove and the second ratchet is adjusted. That is, after supporting the complex curved surface component, the first support column 410 and the second clamping jaw 518 remain stationary, and the complete clamping of the two sets of clamping jaws and the two sets of circular ring clamping grooves is adjusted through the synchronous displacement of the first clamping jaw 47 and the second support column 51.

[0156] Further, when the first locking pin 415 is removed from the inner threaded sleeve 43 and the clamping ring 46, the inner threaded sleeve 43 and the clamping ring 46 can be unlocked; when the second locking pin 524 is removed from the square locking support 513 and the rectangular support 516, the square locking support 513 and the rectangular support 516 can be unlocked.

[0157] In implementation, the second square guide rod 53 rotates synchronously with the third gear 56, the third gear 56 is driven by the fourth gear 58 to rotate synchronously with the second gear 44 and the inner threaded sleeve 43. The fourth gear 58 is meshed with the second gear 44 and the fourth gear 56 on both sides to drive, so that the inner threaded sleeve 43 and the second support column 51 rotate synchronously. When the inner threaded sleeve 43 rotates to adjust the clamping degree of the first clamping jaw 47 and the first circular ring clamping groove, the second support column 51 is synchronously driven to displace to adjust the clamping degree of the second clamping jaw 518 and the second circular ring clamping groove, so that the two are completely clamped.

[0158] Specifically, the second thrust spring 512 arranged in a circular array can press the square locking support 513 against the lower end face of the extension of the second clamping jaw support 510.

[0159] Specifically, the square locking support 513 is provided with through holes arranged in a symmetrical array on both sides for cooperating with the second clamping jaw 518; before the second clamping jaw 518 is unlocked by the clamping jaw locking buckle 514, the end of the second clamping jaw 518 is arranged in the through hole; after the second clamping jaw 518 is unlocked by the clamping jaw locking buckle 514, the square locking support 513 moves upward and blocks the second clamping jaw 518 on the outside of the second clamping jaw support 510, so as to fix the position of the second clamping jaw 518 and prevent it from displacing.

[0160] Specifically, the middle section of the rectangular support 516 is provided with a through hole for cooperating with the second locking pin 524 locking the rectangular support 516 and the through hole in the middle section of the rectangular support 516. The two ends of the rectangular support 516 are fixedly connected with two clamping jaw locking buckles 514 on the same side; the two clamping jaw locking buckles 514 on the same side form a group, or the two clamping jaw locking buckles 514 connected with the same rectangular support 516 form a group.

[0161] In one specific embodiment of the present application, the pitch of the helical groove 419 on the first jaw support 42, the internal thread of the internal thread sleeve 43 and the external thread of the upper half of the second strut 51 are all the same. The number of teeth of the second gear 44 and the third gear 56 are equal. Therefore, the distance of the first jaw 47 in the support point position adjusting device 4 rotating down along the helical groove 419 on the first jaw support 42 is equal to the distance of the second strut 51 moving relative to the T-shaped support 411.

[0162] Specifically, as shown in Figure 4 、 Figure 5 、 Figure 9 、 Figure 10 indicated, the cross section of the first circular ring clamping groove and the second circular ring clamping groove are both right-angled triangles. The direction of the inclined conical surface of the circular ring clamping groove is its orientation, the orientation of the first circular ring clamping groove is upward, and the orientation of the second circular ring clamping groove is downward. When the first jaw 47 rotates down along the helical groove 419, i.e., the first jaw 47 moves downward relative to the first strut 410 and the second strut 51 moves upward relative to the second jaw 518, the first jaw 47 can be completely clamped with the first circular ring clamping groove and the second jaw 518 can be completely clamped with the second circular ring clamping groove.

[0163] In step S2, the second jaw 518 in the support point position locking device 5 is on the same horizontal plane as the first jaw 47 in the support point position adjusting device 4, and by adjusting the relative position of the second strut 51 and the T-shaped support 411, the circular ring clamping groove on the second strut 51 is leveled with the circular ring clamping groove on the first strut 410; when the curved surface member is placed above the T-shaped support 411, the T-shaped support 411 drives the first strut 410 and the second strut 51 to descend together, and the first compression spring 48 and the second compression spring 52 are compressed.

[0164] When the second locking pin 524 is removed from the through hole of the rectangular bracket 516, the two rectangular brackets 516 move away from each other under the elastic force of the unlocking spring 515, driving the two sets of jaw locking buckles 514 to move away from each other, and the jaw locking buckle 514 is removed from the locking groove 523 in the middle of the second jaw 518, unlocking the second jaw 518; after the second jaw 518 is unlocked, it can be displaced in the radial direction of the second jaw support 510, i.e., close to the second strut 51, under the elastic force of the second jaw spring 519, and clamped into the circular ring clamping groove on the second strut 51.

[0165] When the inner threaded sleeve 43 rotates, the second gear 44 rotates, and the second gear 44 drives the third gear 56 to rotate through the fourth gear 58. The third gear 56 drives the second square guide rod 53 fixedly connected thereto to rotate through the fixing bolt 59, and the third square guide rod 53 drives the second support 51 to rotate circumferentially. When the second support 51 rotates relative to the T-shaped support 411, the alignment degree of the second clamping jaw 518 and the second circular ring clamping groove of the second support 51 can be adjusted relative to the T-shaped support 411, so that the second clamping jaw 518 is completely clamped with the second circular ring clamping groove.

[0166] In step S3, when the first locking pin 415 is pulled out, the clamping ring 46 is unlocked, and the clamping ring 46 moves upward under the elastic force of the first push spring 45 to block the first clamping jaw 47. After the first clamping jaw 47 cannot be displaced, the first support 410 also cannot be displaced.

[0167] In step S3, after the second locking pin 524 is removed from the through hole of the rectangular support 516, the square locking support 513 moves upward under the elastic force of the second push spring 512 until it touches the second clamping jaw support 510 and stops moving upward. The square locking support 513 also blocks the two ends of the second clamping jaw 518 on both sides of the second support 51, so that the second clamping jaw 518 arranged in a symmetrical array cannot move away from each other, and the second support 51 also cannot move up and down under the locking of the second clamping jaw 518 on both sides.

[0168] In step S3, when the vertical position of the second support 51 is fixed, the second support 51 also cannot rotate relative to the T-shaped support 411. When the second support 51 cannot move downward and rotate, the second square guide rod 53, the third gear 56, the fourth gear 58, the second gear 44, and the inner threaded sleeve 43 also cannot rotate. When the inner threaded sleeve 43 cannot rotate, the first clamping jaw 47 also cannot slide along the spiral groove on the first clamping jaw support 42, that is, it cannot continue to descend. When the first clamping jaw 47 cannot descend, the first support 410 and the T-shaped support 411 fixedly connected thereto also cannot continue to descend, and the entire support point position self-adapting device 3 is completely locked. That is, through the locking of the second support 51 by the square locking support 513 and the second clamping jaw 518, the reverse locking of the first support 410 is realized, and the stability of the entire support point position self-adapting device 3 is ensured.

[0169] In step S3, the first locking pin 415 and the second locking pin 524 of the support point position self-adapting device 3 are simultaneously unlocked through the action of the gear transmission mechanism 2. The structure and working process of the gear transmission mechanism are described below:

[0170] (III) Gear transmission mechanism 2

[0171] In one specific embodiment of the present application, the gear transmission mechanism 2 is arranged to drive the first locking pin 415 and the second locking pin 524 to displace synchronously; and to realize synchronous unlocking of the first locking pin 415 and the second locking pin 525.

[0172] As shown in Figure 2 、 Figure 3 、 Figure 15 、 Figure 16 The gear transmission mechanism 2 comprises a first rack 211, a first gear 212, a gear support 213, a slide rod 214, a first connecting rod 416, a second connecting rod 417, a second rack 418, a first fixed support 517 and a second fixed support 525.

[0173] Specifically, the gear support 213 mounted on the rack 1 is symmetrically arranged in two; the first rack 211 is slidingly mounted above the gear support 213; and the first gear 212 is rotatably mounted above the gear support 213. The plurality of first gears 212 are arranged in an array, the first rack 211 is engaged with one side of the first gear 212; and the second rack 418 is parallel to the first rack 211 and engaged with the other side of the first gear 212. When the first rack 211 slides along the gear support 213, it can drive the plurality of second racks 418 to displace synchronously.

[0174] Further, the slide rod 214 perpendicular to the second rack 418 is arranged on the side surface of the gear support 213. One end of the first locking pin 415 is inserted into the first locking pin mounting hole, and the other end is provided with a slide rod mounting hole, and the slide rod 214 is slidingly mounted in the slide rod mounting hole; and the slide rod 214 is used to limit the displacement direction of the first locking pin 415.

[0175] Specifically, one end of the first connecting rod 416 is connected with the second rack 418 through a first pin hinge; the second rack 418 is provided with a U-shaped groove, and one end of the second connecting rod 417 is slidingly fitted with the U-shaped groove through a second pin; and the other end of the first connecting rod 416 and the other end of the second connecting rod 417 are both hinged with the first locking pin 415.

[0176] The first connecting rod 416, the second connecting rod 417 and the second rack 418 form a triangular structure, and when the second rack 418 displaces, it can drive the first locking pin 415 to displace linearly, and the displacement direction of the first locking pin 415 is perpendicular to the second rack 418.

[0177] Specifically, when the second rack 418 is displaced, the second pin slides in the U-shaped slot, thereby changing the angle between the first connecting rod 416, the second connecting rod 417 and the second rack 418, and then pulling the first locking pin 415 at the other end to displace through the first connecting rod 416 and the second connecting rod 417. That is, when the second pin slides in the U-shaped slot, the first locking pin 415 is adjusted to approach or move away from the support point position adjusting device 4. At the same time, the first pin and the second pin drive the first fixed support 517 and the second fixed support 525 to approach or move away from each other.

[0178] Specifically, the first fixed support 517 and the second fixed support 525 are parallel to each other; one end of the first fixed support 517 is fixedly installed with a group of second locking pins 524, and the other end is fixedly connected with the first pin; one end of the second fixed support 525 is fixedly installed with another group of second locking pins 524, and the other end is fixedly connected with the second pin. When the second rack 418 is displaced, the first pin and the second pin move away from each other, thereby driving the first fixed support 517 and the second fixed support 525 to move away from each other, and then unlocking the second locking pin 524 of the support point position locking device 5.

[0179] Further, the number of the first gear 212 and the second rack 418 is the same as the number of the support point position self-adapting device 3.

[0180] Further, when the first locking pin 415 is displaced to the direction of the second rack 418, the first locking pin 415 is extracted from the snap ring 46 and the internal threaded sleeve 43, thereby unlocking the snap ring 46 and the internal threaded sleeve 43 of the support point position adjusting device 4. When the first fixed support 517 and the second fixed support 525 move away from each other, the second locking pin 524 can be extracted from the rectangular support 516, thereby unlocking the rectangular support 516 in the support point position locking device 5.

[0181] In step S3, the working process of the gear transmission mechanism driving the first locking pin 415 and the second locking pin 524 to be unlocked synchronously is as follows:

[0182] The first rack 211 is linearly moved relative to the gear support 213 by pushing the two sides of the first rack 211 arranged in a symmetrical manner; then the plurality of first gears 212 drives the plurality of second racks 418 to displace. The linear movement of the second rack 418 drives the first connecting rod 416 hingedly connected with the second rack 418 to move in a plane, the end of the second connecting rod 417 slides along the U-shaped groove on the second rack 418, the ends of the first connecting rod 416 and the second connecting rod 417 move away from each other, drive the first locking pin 415 to slide along the slide rod 214, and move out of the clasp ring 46 and the internally threaded sleeve 43. When the plurality of second racks 418 displace synchronously, the plurality of first locking pins 415 can be synchronously moved out of the plurality of support point position adjusting devices 4; at the same time, the first fixed support 517 and the second fixed support 525 move away from each other following the movement of the first connecting rod 416 and the second connecting rod 417, so that the second locking pin 524 moves out of the support point position locking device 5.

[0183] That is, by pushing the first rack 211 to slide relative to the gear support 213, the first locking pin 415 and the second locking pin 524 can be respectively unlocked from the support point position adjusting device 4 and the support point position locking device 5. After the support point position adjusting device 4 and the support point position locking device 5 are unlocked, the clamping degree of the clamping jaw and the annular clamping groove can be automatically adjusted to achieve complete clamping.

[0184] Compared with the prior art, the technical scheme provided by the embodiment has at least one of the following beneficial effects:

[0185] 1. The flexible support method of the present application utilizes the support principle of "multi-point forming a surface", and can realize stable support of any component with complex curved surface characteristics without any power source.

[0186] 2. The present application can effectively avoid the stability of the flexible support structure by the locking cooperation of the movable clamping jaw and the support column, avoid the shaking of the structural member, and ensure the stability of the complex curved surface component during the machining process, which has a positive effect on improving the machining precision of the part.

[0187] 3. In the flexible support method of the present application, the descending heights of the support plates 412, the T-shaped supports 411, the first support columns 410 and the second support columns 51 in the plurality of support point position self-adaptive devices 3 are different, but through the clamping of the first clamping jaw 47 and the second clamping jaw 518 with the circular clamping grooves of the first support column 410 and the second support column 518 and the locking of the clasp ring 46 and the square locking support 513 on the first clamping jaw 47 and the second clamping jaw 518, the first support column 410 and the second support column 51 can be completely locked at any position, so that the curved surface component cannot continue to fall, and stepless locking is realized.

[0188] 4. The flexible support method of the present application, after the first locking pin 415 is unlocked, the first jaw spring 418 pushes the first jaw 47 to slide in the spiral groove 419, thereby driving the inner threaded sleeve 43 to rotate, the first jaw 47 slides in the spiral groove 419 to adjust its height, so that the first jaw 47 is completely clamped with the first circular ring clamping groove, realizing the position locking of the self-adaptive device.

[0189] The above merely provides the preferred embodiments of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art can easily think of the changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A multi-point flexible support method for complex curved components, characterized by, Comprise: Step S1: arrange a plurality of support point adaptive devices (3) array; Step S2: place the curved surface component above the support point adaptive device (3), and support through the support plate (412); the support plate (412) is lowered under the action of gravity and at the same time compresses the support point position adjusting device (4) and the support point position locking device (5) through the T-shaped support (411); Step S3: remove the first locking pin (415) to unlock the snap ring (46); the snap ring (46) is lifted under the push of the first push spring (45) to limit the first clamping jaw (47); remove the second locking pin (524) to unlock the second clamping jaw (518); the second clamping jaw (518) is clamped with the second circular ring clamping groove on the second support column (51), locking the second support column (51); Wherein, the support point adaptive device (3) comprises: a support plate (412), a T-shaped support (411), a support point position adjusting device (4) and a support point position locking device (5); The support point position adjusting device (4) comprises: an outer threaded base (41), a first clamping jaw support (42), an inner threaded sleeve (43), a first support column (410), a first clamping jaw (47), a first square guide rod (414) and a first compression spring (48); the upper end of the first support column (410) is fixedly connected with the T-shaped support (411), and the lower end of the first support column (410) is provided with a square hole, the first compression spring (48) is arranged in the square hole, and the first compression spring (48) is located between the first support column (410) and the first square guide rod (414); the outer surface of the first support column (410) is provided with a plurality of parallel arranged first circular ring clamping grooves; one end of the first clamping jaw (47) is provided with a first ratchet, which can be clamped into the first circular ring clamping groove; the first clamping jaw (47) can slide and displace in the radial direction relative to the inner threaded sleeve (43), and can also slide along the threaded groove (419) on the first clamping jaw support (42); the outer sliding installation snap ring (46) is arranged on the inner threaded sleeve (43); the first locking pin (415) can move along the axis direction of the locking pin installation hole on the inner threaded sleeve (43) and the snap ring (46); the snap ring (46) can be lifted relative to the inner threaded sleeve (43) under the elastic push of the first push spring (45), and then the first clamping jaw (47) is locked; The support point position locking device (5) comprises a second support column (51), a second compression spring (52), a second square guide rod (53), a first base (55), a second claw support (510), a second claw (518), a second claw spring (519) and a claw limiting assembly; the other end of the T-shaped support (411) is threadedly connected with the second support column (51) through a threaded hole; the second support column (51) is sleeved outside the second square guide rod (53), and the second support column (51) is provided with the second compression spring (52) between the second support column (51) and the second square guide rod (53); the lower half of the second support column (51) is provided with a second circular ring clamping groove; the second claw (518) comprises a second cylindrical segment and a second ratchet; the second ratchet can be clamped into the second circular ring clamping groove; the second cylindrical segment is slidingly installed on the second claw support (510), and the lock catch groove (523) at the tail portion is matched with the claw limiting assembly; the second locking pin (524) is used for unlocking the claw limiting assembly; and the claw limiting assembly unlocks the second claw (518).

2. The multi-point flexible support method for complex curved surface members according to claim 1, wherein, In the step S1, the first locking pin (415) is vertically arranged between the clamping ring (46) and the internally-threaded sleeve (43); the first locking pin (415) is used for limiting the displacement of the clamping ring (46) and the rotation of the internally-threaded sleeve (43).

3. The multi-point flexible support method for complex curved surface members according to claim 2, wherein In the step S2, the support plates (412) of the plurality of support point self-adapting devices (3) have different descending heights, and the support plates (412) adapt to the shape of the bottom surface of the curved surface component.

4. The multi-point flexible support method for complex curved surface members according to claim 3, wherein In the step S2, the support plate (412) is connected with the T-shaped support (411) through a spherical hinge; the support plate (412) rotates relative to the T-shaped support (411), and the upper surface of the support plate (412) is tangent to the lower surface of the curved surface component.

5. The multi-point flexible support method for complex curved surface members according to claim 4, wherein In the step S2, the support point position adjusting device (4) and the support point position locking device (5) are arranged side by side below the T-shaped support (411); when the T-shaped support (411) is lowered under the action of gravity, the first support column (410) is lowered relative to the first square guide rod (414) and compresses the first compression spring (48); at the same time, the second support column (51) is lowered relative to the second square guide rod (53) and compresses the second compression spring (52).

6. The multi-point flexible support method for complex curved surface members according to claim 5, wherein In the step S2, when the first support column (410) is lowered, the first claw (47) slidingly installed on the internally-threaded sleeve (43) is relatively displaced with the first support column (410) and simultaneously switches different first circular ring clamping grooves for clamping.

7. The multi-point flexible support method for complex curved surface members according to claim 6, wherein In the step S3, after the first locking pin (415) is removed, the first claw spring (413) makes the first claw (47) slide along the threaded groove (419) on the first claw support (42); the first claw (47) rotates circumferentially relative to the first support column (410), and simultaneously, the first claw (47) axially displaces relative to the first support column (410), until the first claw (47) is completely aligned with the first circular ring clamping groove; under the action of the thrust of the first claw spring (413), the first claw (47) is completely clamped in the first circular ring clamping groove.

8. The multi-point flexible support method for complex curved surface members according to claim 7, wherein, The lower end of the first square guide rod (414) is fixedly connected with an outer threaded base (41); a first clamping jaw support (42) is fixedly connected with the outer threaded base (41), and the inner threaded sleeve (43) is matched with the outer thread of the outer threaded base (41) through the inner thread arranged below; in step S3, when the first clamping jaw (47) slides along the threaded groove (419), the inner threaded sleeve (43) can be driven to rotate relative to the outer threaded base (41); when the inner threaded sleeve (43) rotates relative to the outer threaded base (41), it is synchronously lowered relative to the outer threaded base (41), thereby driving the first clamping jaw (47) to be lowered and completely aligned with the first circular ring clamping groove of the first support column (410).

9. The multi-point flexible support method for complex curved surface members according to claim 8, wherein, The second square guide rod (53) is rotatably connected with a first base (55) through a first bearing (54); a second clamping jaw support (510) is fixedly connected with the first base (55) through bolts; in step S3, the locking process of the second clamping jaw (518) on the second support column (51) is as follows: Step S31: the second locking pin (524) unlocks the second clamping jaw (518); the second clamping jaw (518) is clamped into the second circular ring clamping groove of the second support column (51); Step S32: when the inner threaded sleeve (43) rotates, the second gear (44) fixedly connected therewith is driven to rotate; the second gear (44) transmits the rotary motion to the third gear (56) through the fourth gear (58); the third gear (56) drives the second square guide rod (53) fixedly connected therewith to rotate, and drives the second support column (51) to rotate through the second square guide rod (53); Step S33: when the second support column (51) rotates, it can be displaced downward relative to the T-shaped support (411), so that the second circular ring clamping groove is completely aligned with the second clamping jaw (518), and then the second clamping jaw (518) is completely clamped into the second circular ring clamping groove.

10. The multi-point flexible support method for complex curved surface members according to claim 9, wherein, In step S31, the step of unlocking the second clamping jaw (518) by the second locking pin (524) is as follows: Step S31a: the second locking pin (524) is withdrawn from the locking pin hole of the rectangular support (516), and the second locking pin (524) releases the limitation of the rectangular support (516) and the clamping jaw locking buckle (514); Step S31b: under the elastic force of the unlocking spring (515), the two groups of clamping jaw locking buckles (514) slide along the T-shaped guide rail (521) and move away from each other, the clamping jaw locking buckle (514) is moved out of the locking groove (523) of the second clamping jaw (518), and the limitation of the second clamping jaw (518) is released; Step S31c: the second clamping jaw (518) is displaced radially relative to the second clamping jaw support (510) under the elastic force of the second clamping jaw spring (519) and is clamped into the second circular ring clamping groove of the lower half of the second support column (51).

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