Speed reducer for measuring machine

Abstract

The utility model discloses a speed reducer for a measuring machine. The speed reducer comprises a rack body; the power motor is connected with the rack body; the primary speed reduction belt wheel is connected with the power motor and can rotate under the driving of the power motor; a transition large belt wheel; the small transition belt wheel is coaxially connected with the small transition belt wheel; the first-stage transmission belt is wound on the first-stage deceleration belt wheel and the transition large belt wheel; the second-stage deceleration belt wheel is assembled on the rack body; the second-stage speed reduction belt wheel is connected with a second-stage speed reduction output shaft, the position of the second-stage speed reduction output shaft relative to the rack body in the second direction is adjustable, and the second direction is perpendicular to the first direction; and the second-stage speed reduction output shaft is connected with a second-stage speed reduction terminal component. According to the secondary reduction gear of the measuring machine provided by the utility model, the output rotating speed of the power motor is subjected to secondary reduction, the output twisting and driving force of a secondary reduction terminal is increased, and the use requirements of a heavy-weight moving mechanism are met.

Description

Technical Field

[0001] The utility model belongs to the technical field of measuring equipment, in particular to a speed reducing device used on a measuring machine. Background Art

[0002] As a high-precision measuring instrument based on geometric measurement, the three-dimensional coordinate measuring machine generally has three moving mechanisms. They are the X-axis moving mechanism, the Y-axis moving mechanism and the Z-axis moving mechanism. The transmission methods of each moving mechanism mainly include synchronous belt drive, friction wheel drive, steel belt drive and other methods, among which the synchronous belt method is the most common. The reduction mechanism between the synchronous belt drive and the servo motor is also commonly used.

[0003] As for the reduction mechanism, the common reduction mechanisms in reality include gears and belt drives. The gear reduction structure adopts a line contact transmission in which teeth directly mesh with each other. It is a hard mechanical contact, which has large fluctuations and poor flexibility at the beginning of the measuring machine, and is not suitable for use in high-precision measuring machines.

[0004] A single-stage belt reduction transmission mechanism is more common in the motion drive of a measuring machine. However, the existing belt reduction mechanisms are mainly single-stage pulley reduction mechanisms. When the weight of a moving mechanism, such as a Y-axis moving mechanism, is heavy, the reduction ratio of the single-stage pulley reduction mechanism cannot meet the use requirements of the heavy moving mechanism.

[0005] The above information disclosed in the background technology is only used to increase the understanding of the background technology of the present application, and therefore, it may include information that does not constitute the prior art known to ordinary technicians in the field. Utility Model Content

[0006] In view of the above-mentioned technical problems existing in the reduction mechanism of the measuring machine in the prior art, the utility model proposes a novel two-stage reduction mechanism for the measuring machine, which reduces the output speed of the power motor, reduces the speed of the two-stage reduction terminal component, increases the output kink and driving force of the two-stage reduction terminal structure, and meets the use requirements of large-weight moving mechanisms.

[0007] In order to achieve the above utility model / design purpose, the utility model adopts the following technical solutions:

[0008] A speed reducer for a measuring machine, comprising:

[0009] Frame body;

[0010] A power motor connected to the frame body, and its position relative to the frame body in a first direction is adjustable;

[0011] The first-stage reduction pulley is connected to the power motor and can rotate under the drive of the power motor;

[0012] A transition pulley assembly is mounted on the frame body, and its position relative to the frame body in a first direction is adjustable, and includes:

[0013] Transition large pulley;

[0014] and a small transition pulley coaxially connected thereto;

[0015] A primary transmission belt is wound around the primary speed reduction pulley and the transition large pulley to form a primary pulley speed reduction structure with the primary speed reduction pulley and the transition large pulley;

[0016] A secondary reduction pulley is mounted on the frame body and is connected to the transition small pulley through a secondary transmission belt to form a secondary pulley reduction structure;

[0017] The secondary reduction pulley is connected to a secondary reduction output shaft, and its position relative to the frame body in a second direction is adjustable, and the second direction is perpendicular to the first direction;

[0018] The secondary reduction output shaft is connected with a secondary reduction terminal component.

[0019] In some embodiments of the present application, the primary reduction pulley and the transition pulley assembly are arranged side by side in the horizontal direction;

[0020] The secondary reduction pulley is arranged below the transition pulley assembly, and the primary reduction pulley, the transition pulley assembly and the secondary reduction pulley as well as the connecting lines therebetween form a V shape.

[0021] In some embodiments of the present application, the power motor and the secondary reduction terminal component are located on the same side of the frame body or are respectively arranged on both sides of the frame body.

[0022] In some embodiments of the present application, the primary transmission belt and the secondary transmission belt are wedge belts, flat belts or synchronous belts.

[0023] In some embodiments of the present application, the following are included:

[0024] A first connecting socket, wherein the first connecting socket comprises:

[0025] A first seat body, on which the power motor is mounted, the power motor having an output shaft, and the output shaft is rotatably mounted on the first seat body;

[0026] and a support leg disposed on the first seat body, the support leg being disposed perpendicular to the first seat body;

[0027] A first adjusting long slot is provided on the frame body and is opened along a first direction;

[0028] A first adjustment component passes through the first seat body, the support leg and the first adjustment slot in sequence and extends out of the first adjustment slot, wherein the first adjustment component is slidably arranged in the first adjustment slot;

[0029] A first threaded portion is provided at an end of the first adjusting component;

[0030] A first screw adjustment structure, connected to the first connection seat, for applying force to the first connection seat to make it move along a first direction;

[0031] The first locking component can be screwed onto the first threaded portion after the first adjusting component moves into position to lock and fix the first connecting seat and the frame body.

[0032] In some embodiments of the present application, it also includes:

[0033] a second connecting seat, on which the transition pulley assembly is mounted;

[0034] The second connecting seat is provided with a second adjusting long slot;

[0035] A second adjusting member passes through the frame body and the second adjusting slot, and a second threaded portion is provided at an end of the second locking member, and the second connecting seat can move relative to the second adjusting member along the first direction through the second adjusting slot;

[0036] A first screwing adjustment structure is connected to the second connecting seat and is used to drive the second connecting seat to move along a first direction;

[0037] The second locking component is screwed onto the second threaded portion when the second connecting seat is adjusted into place to lock and fix the second connecting seat and the frame body.

[0038] In some embodiments of the present application, the frame body includes a front side and a back side arranged opposite to the front side;

[0039] The first connecting seat is assembled near the front side of the frame body;

[0040] The second connecting seat is assembled on the back side close to the frame body;

[0041] A secondary rotating shaft is rotatably connected to the second connecting seat and extends from the second connecting seat to the front side of the frame body;

[0042] The transition large pulley is connected to the secondary rotating shaft and is located on the front side of the frame body;

[0043] The small transition pulley is connected to the secondary rotating shaft and is arranged on the back side of the frame body.

[0044] In some embodiments of the present application, it also includes:

[0045] A bearing assembly is provided on the secondary reduction output shaft;

[0046] A third connecting seat is fixedly mounted at the bottom of the frame body, and a notch is provided on the third connecting seat that passes through the third connecting seat from top to bottom;

[0047] A screw-nut adjustment assembly includes an adjustment screw, which passes through the notch and extends upward to be fixedly connected to the bearing assembly;

[0048] An upper adjusting nut is screwed onto the adjusting screw and abuts against a third connecting seat located above the notch;

[0049] The lower adjusting nut is screwed on the adjusting screw rod and abuts against the third connecting seat below the notch portion.

[0050] In some embodiments of the present application, the large transition pulley is connected to the secondary rotating shaft via an expansion sleeve, and the secondary reduction pulley is connected to the secondary reduction output shaft via an expansion sleeve.

[0051] Compared with the prior art, the advantages and positive effects of the utility model are:

[0052] The secondary pulley deceleration structure for the measuring machine provided in the utility model forms a secondary deceleration mechanism capable of realizing secondary deceleration of the output speed of the power motor by reasonably setting the wheel diameters of the primary deceleration pulley, the transition pulley assembly and the secondary deceleration pulley, and can realize secondary deceleration of the power motor. Since the output speed of the power motor is inversely proportional to the deceleration ratio, the deceleration ratio increases, so that the output speed on the secondary deceleration output shaft is reduced, thereby realizing the deceleration function;

[0053] The torque is proportional to the reduction ratio. When the speed decreases, the output torque increases, which increases the torque at the output end. The torque is a reflection of the load capacity. The greater the torque, the greater the load it can withstand, which enables it to meet the use requirements of mobile mechanisms with large load weights.

[0054] And because the inertia of the load weight converted to the motor output shaft is inversely proportional to the square of the speed ratio, the inertia value at the motor output shaft is greatly reduced, and the inertia value converted to the motor output shaft is reduced through the two-stage pulley reduction structure.

[0055] After reading the specific embodiments of the present invention in conjunction with the accompanying drawings, other features and advantages of the present invention will become more clear. BRIEF DESCRIPTION OF THE DRAWINGS

[0056] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0057] Figure 1 It is a three-dimensional embodiment of a speed reduction device for a measuring machine proposed by the utility model. Figure 1 ;

[0058] Figure 2 It is a three-dimensional embodiment of a speed reduction device for a measuring machine proposed by the utility model. Figure 2 ;

[0059] Figure 3 It is a three-dimensional embodiment of a speed reduction device for a measuring machine proposed by the utility model. Figure 3 ;

[0060] Figure 4 It is a top view of the speed reducer for measuring machine proposed by the utility model;

[0061] Figure 5 for Figure 4 AA section view;

[0062] Figure 6 for Figure 4 BB section view.

[0063] In the figure, 100, frame body; 110, first adjustment slot; 200, power motor; 300, primary reduction pulley; 410, transition large pulley; 420, transition small pulley; 430, primary transmission belt; 510, secondary reduction pulley; 520, secondary transmission belt; 530, secondary rotating shaft; 540, secondary reduction output shaft; 550, secondary reduction terminal component; 600, first connecting seat; 610, first seat body; 620, support leg; 630, first adjustment part Part; 640, first screw adjustment structure; 641, first screw block; 642, first screw nut; 643, first screw screw; 650, first locking component; 700, second connecting seat; 710, second adjustment slot; 730, second adjustment component; 740, second locking component; 750, second screw adjustment structure; 751, second screw block; 752, second screw nut; 753, second screw screw; 810, bearing assembly; 820, third connecting seat; 831, adjustment screw; 832, upper adjustment nut; 833, lower adjustment nut; 900, expansion sleeve. DETAILED DESCRIPTION

[0064] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0065] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore, should not be understood as a limitation on the present invention.

[0066] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. In the description of the implementation method, specific features, structures, materials or characteristics can be combined in any one or more embodiments or examples in a suitable manner.

[0067] The terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features.

[0068] In the description of the present invention, unless otherwise specified, “plurality” means two or more.

[0069] In some embodiments of the present application, a reduction gear device for a measuring machine is provided, comprising:

[0070] Frame body 100;

[0071] In some embodiments of the present application, the frame body 100 is a frame plate, which is used to assemble and support the entire speed reduction mechanism.

[0072] A power motor 200 is connected to the frame body 100, and its position relative to the frame body 100 in a first direction is adjustable;

[0073] In some embodiments of the present application, the first direction is a horizontal direction, that is, a left-right direction, and the second direction is a vertical direction, that is, an up-down direction.

[0074] The primary reduction pulley 300 is connected to the power motor 200 and can rotate under the drive of the power motor 200;

[0075] The power motor 200 has an output shaft, and the primary small pulley is connected to the output shaft and can be driven to rotate when the power motor 200 rotates.

[0076] The power motor 200 is connected to the primary reduction pulley 300. When the power motor 200 moves horizontally relative to the frame body 100, it can simultaneously drive the primary reduction pulley 300 to move horizontally to change the horizontal positions of the power motor 200 and the primary reduction pulley 300.

[0077] The transition pulley assembly is arranged side by side with the primary reduction pulley 300 along the first direction, and is mounted on the frame body 100. Its position relative to the frame body 100 in the first direction is adjustable, and includes:

[0078] Transition large pulley 410;

[0079] and a transition pulley 420 coaxially connected thereto;

[0080] The position of the transition pulley assembly in the first direction is adjustable, so that the position of the transition pulley assembly in the left-right direction relative to the frame body 100 can be adjusted.

[0081] A primary transmission belt 430 is wound around the primary reduction pulley 300 and the transition large pulley 410 to form a primary pulley reduction structure with the primary reduction pulley 300 and the transition large pulley 410;

[0082] During the setting, the wheel diameters of the primary reduction pulley 300 and the large transition pulley 410 can be reasonably set so that the primary reduction pulley 300 and the large transition pulley 410 are connected through the primary transmission belt 430 to form a primary pulley reduction mechanism with a primary reduction ratio, thereby achieving a primary reduction in the output of the power motor 200.

[0083] A secondary reduction pulley 510 is mounted on the frame body 100 and is connected to the transition small pulley 420 via a secondary transmission belt 520 to form a secondary pulley reduction structure;

[0084] By reasonably setting the wheel diameters of the transition small pulley 420 and the secondary reduction pulley 510, the transition small pulley 420 and the secondary reduction pulley are connected through the secondary transmission belt 520 to form a secondary pulley reduction mechanism with a secondary reduction ratio, so as to achieve a secondary reduction effect on the output speed of the power motor 200.

[0085] The secondary reduction pulley 510 is connected to a secondary reduction output shaft 540, and its position relative to the frame body 100 in a second direction is adjustable, and the second direction is perpendicular to the first direction;

[0086] The secondary reduction output shaft 540 is adjustable in position in the vertical direction, and can drive the secondary reduction pulley 510 connected thereto to be adjustable in position in the vertical direction.

[0087] Since the primary reduction pulley 300 and the transition pulley assembly are arranged along the first direction, when the primary reduction pulley 300 is driven by the power motor 200 to move left and right, the tension of the primary transmission belt 430 can be adjusted;

[0088] The tension of the second transmission belt can be adjusted by moving the transition pulley assembly along the first direction;

[0089] The relative axial position adjustment between the primary reduction wheels can be achieved by adjusting the positions of the power motor 200 and the primary reduction pulley 300, and the position of the transition pulley assembly relative to the frame body 100;

[0090] The relative axial position between the secondary reduction pulley structure is adjusted by adjusting the position of the secondary reduction pulley 510 and the frame body 100 .

[0091] The secondary reduction output shaft 540 is connected to a secondary reduction terminal component 550 .

[0092] The secondary reduction terminal component 550 is provided with a secondary terminal matching piece that cooperates with it to realize transmission.

[0093] In some embodiments of the present application, the secondary reduction terminal component 550 is a gear, and the secondary terminal mating component for meshing with the gear can be a rack, a gear, or an inner gear ring or an outer gear ring.

[0094] By adjusting the up and down position of the secondary reduction output shaft 540, the up and down position of the secondary reduction output shaft 540 and the secondary reduction terminal component 550 connected thereto can be adjusted, thereby ensuring that the secondary reduction terminal component 550 can maintain a good fit with the secondary terminal matching component that matches it, thereby ensuring the transmission effect.

[0095] When the deceleration mechanism in this embodiment is transmitting, the power motor 200 outputs the rotational speed through the motor output shaft, passes through the primary reduction pulley 300 and is transmitted to the large transition pulley 410 through the primary transmission belt 430, the speed is reduced, and then is transmitted to the small transition pulley 420 through the large transition pulley 410, and is transmitted to the secondary reduction pulley 510 through the secondary transmission belt 520 and then output, the speed is reduced to the required speed, and is output from the secondary reduction output shaft 540 to the secondary reduction terminal component 550.

[0096] The secondary pulley deceleration structure for the measuring machine provided in this embodiment is formed by reasonably setting the wheel diameters of the primary deceleration pulley 300, the transition pulley assembly and the secondary deceleration pulley 510 to realize secondary deceleration of the output speed of the power motor 200. The secondary deceleration of the power motor 200 can be realized. Since the output speed of the power motor 200 is inversely proportional to the deceleration ratio, the deceleration ratio increases, so that the output speed on the secondary deceleration output shaft 540 is reduced, thereby realizing the deceleration function;

[0097] The torque is proportional to the reduction ratio. When the speed decreases, the output torque increases, which increases the torque at the output end. The torque is a reflection of the load capacity. The greater the torque, the greater the load it can withstand, which enables it to meet the use requirements of mobile mechanisms with large load weights.

[0098] And because the inertia of the load weight converted to the motor output shaft is inversely proportional to the square of the speed ratio, the inertia value at the motor output shaft is greatly reduced, and the inertia value converted to the motor output shaft is reduced through the two-stage pulley reduction structure.

[0099] In some embodiments of the present application, the primary reduction pulley 300 and the transition pulley assembly are arranged side by side in the horizontal direction;

[0100] From a vertical perspective, the secondary speed reduction pulley 510 is arranged below the transition pulley assembly.

[0101] Viewed from the horizontal direction, the secondary reduction pulley 510 is located between the primary reduction pulley 300 and the transition pulley assembly.

[0102] Therefore, the first-stage reduction pulley 300, the transition pulley assembly and the second-stage reduction pulley 510 and their connecting lines form a V-shaped structure. By adopting a V-shaped arrangement of the three, the overall structure can be made more compact and occupy less space.

[0103] In some embodiments of the present application, the power motor 200 and the secondary reduction terminal component 550 are located on the same side of the frame body 100 or are arranged on both sides of the frame body 100 respectively;

[0104] That is, during installation, the power motor 200 and the secondary reduction terminal component 550 can be installed on the same side or on different sides, that is, they can be arranged at both sides of the frame body 100 respectively.

[0105] In some embodiments of the present application, the primary transmission belt 430 and the secondary transmission belt 520 are wedge belts, flat belts or synchronous belts.

[0106] There is no specific limitation on the types of the primary transmission belt 430 and the secondary transmission belt 520 as long as they can ensure power transmission.

[0107] In some embodiments of the present application, the deceleration device includes:

[0108] The first connection base 600 includes:

[0109] A first seat body 610, on which the power motor 200 is mounted. The power motor 200 has an output shaft, and the output shaft is rotatably mounted on the first seat body 610;

[0110] During assembly, the output shaft can be rotatably connected to the first seat body 610 via a bearing, and the output shaft extends from the first seat body 610 to be connected to the primary reduction pulley 300 .

[0111] and a support leg 620 disposed on the first seat body 610, wherein the support leg 620 is disposed perpendicular to the first seat body 610;

[0112] The frame body 100 is provided with a first adjustment slot 110 which is opened along a first direction;

[0113] A first adjusting member 630 passes through the first seat body 610, the supporting leg 620 and the first adjusting slot 110 in sequence and extends out of the first adjusting slot 110, and the first adjusting member 630 is slidably arranged in the first adjusting slot 110;

[0114] The first adjusting component 630 is a first adjusting bolt. A first threaded portion is provided at an end of the first adjusting component 630 , and the first threaded portion is a first external thread.

[0115] The first screwing adjustment structure 640 drives the first connecting seat 600 to move along the first direction;

[0116] In some embodiments of the present application, the first screw adjustment structure 640 includes:

[0117] The first screwing block 641 is fixedly connected to the first connecting seat 600 and has a first screwing nut 642 on the top;

[0118] A first screw rod 643 extends from the first screw block 641 and is threadedly engaged with the first screw nut 642, with an end thereof abutting against the frame body 100;

[0119] A first locking member 650, which can be screwed onto the first threaded portion after the first adjusting member 630 is moved into position to lock and fix the first connecting seat 600 and the frame body 100;

[0120] The first locking component 650 is a first locking nut, which is used to lock the first adjusting component 630 .

[0121] After the assembly is completed, the first adjustment component 630 passes through the first adjustment slot 110 , and the first locking nut is screwed on the end of the first adjustment component 630 to press and fix the first connecting seat 600 and the frame body 100 .

[0122] When the position of the power motor 200 needs to be adjusted, the first locking nut 642 can be loosened, and then the first screw rod 643 can be rotated. The rotation of the first screw rod drives the first screw nut and the first screw block to move. Due to the limitation of the first adjustment slot 110 and the first adjustment component 630, the first screw block and the first connecting seat 600 can only move horizontally in the left and right directions along the first adjustment slot 110, thereby realizing the position adjustment of the first connecting seat 600 and the power motor 200 in the left and right directions.

[0123] After the position is adjusted to the desired position, the first locking component 650 can be tightened.

[0124] In some embodiments of the present application, the deceleration device further includes:

[0125] The second connecting seat 700 is equipped with the transition pulley assembly.

[0126] In some embodiments of the present application, the frame body 100 includes a front side and a back side facing away from the front side.

[0127] The first connecting seat 600 is assembled near the front side of the frame body 100;

[0128] The second connection base 700 is assembled near the back side of the frame body 100;

[0129] The secondary rotating shaft 530 is rotatably connected to the second connecting seat 700, and extends from the second connecting seat 700 and passes through the frame body 100 to the front side of the frame body 100. When connected, the secondary rotating shaft 530 can be rotatably connected to the second connecting seat 700 through a bearing.

[0130] The transition small pulley 420 is arranged on the back side of the frame body 100 and is connected to one end of the secondary rotating shaft 530 .

[0131] The transition large pulley 410 is connected to the secondary rotating shaft 530 and is located on the front side of the frame body 100 .

[0132] The transition large pulley 410 is connected to the other end of the secondary rotating shaft 530 .

[0133] The large transition pulley 410 and the small transition pulley 420 are connected via the secondary rotating shaft 530 so that when the large transition pulley 410 rotates, power is transmitted to the small transition pulley 420 to drive the small transition pulley 420 to rotate.

[0134] The second connecting seat 700 is provided with a second adjusting long slot 710;

[0135] A second adjusting member 730 passes through the frame body 100 and the second adjusting slot 710, and a second threaded portion is provided at an end of the second adjusting member 730, so that the second connecting seat 700 can move relative to the second adjusting member 730 along the first direction through the second adjusting slot 710;

[0136] The second locking member 740 is screwed onto the second threaded portion when the second connecting base 700 is adjusted to a proper position to lock and fix the second connecting base 700 and the frame body 100;

[0137] The second adjustment component 730 is a second adjustment bolt, which passes through the frame body 100 and the second adjustment slot 710 and then extends out of the second adjustment slot 710. The second connecting seat 700 can slide along the second adjustment component 730 through the second adjustment slot 710 above it to achieve adjustment of its position in the first direction.

[0138] The second locking member 740 is a second locking nut, which is screwed onto the second threaded portion at the end of the second adjusting member 730 to press and fix the second connecting seat 700 on the frame body 100 .

[0139] By adjusting the position of the second connecting seat 700 in the first direction, the secondary rotating shaft 530 and the transition pulley assembly mounted thereon can be driven to adjust the position in the first direction to adjust the tightness of the secondary transmission belt 520 .

[0140] The second screwing adjustment structure drives the second connecting seat 700 to move along the first direction;

[0141] In some embodiments of the present application, the second screw adjustment structure 750 includes:

[0142] The second screwing block 751 is fixedly connected to the second connecting seat 700;

[0143] The second screw rod 753 passes through the second screw block 751 and abuts against the frame body. A second screw nut 752 is fixed on the second screw block and is threadedly matched with the second screw nut 752 .

[0144] When the position of the transition pulley assembly needs to be adjusted, the second locking component 740 can be loosened, and then the second screw can be rotated to tighten the second screw. The second screw can rotate, driving the second screw nut, the second screw block and the second connecting seat 700 to slide along the second adjustment slot 710. Due to the limitation of the second adjustment slot 710 and the second adjustment component 730, the second screw block and the second connecting seat 700 can only move horizontally along the second adjustment slot 710, thereby realizing the horizontal position adjustment of the second connecting seat 700 and the transition pulley assembly. After adjustment is in place, the second locking component 740 can be locked.

[0145] In order to avoid the secondary rotating shaft 530 when it moves in the horizontal direction, an avoidance long hole is provided on the frame body 100 .

[0146] In some embodiments of the present application,

[0147] A bearing assembly 810 is provided on the secondary reduction output shaft 540;

[0148] The secondary reduction output shaft 540 is connected to the frame plate through a bearing assembly 810 .

[0149] The bearing assembly 810 includes a bearing inner ring and a bearing outer ring. The bearing outer ring has a flange, which is connected to the machine body through the flange. The height position of the bearing outer ring relative to the frame body 100 is adjustable.

[0150] When arranging, long holes arranged up and down can be provided on the flange;

[0151] The vertical locking bolt passes through the frame body 100 and the long hole, and a vertical locking piece is provided at the end thereof, which is screwed on the end of the vertical locking bolt to lock and fix the bearing outer ring and the frame body 100.

[0152] The third connection seat 820 is fixedly mounted at the bottom of the frame body 100, and a notch is provided on the third connection seat 820 that passes through the third connection seat 820 from top to bottom;

[0153] The notch may be a square or circular notch, and is disposed through the third connecting seat 820 .

[0154] A screw-nut adjustment assembly, comprising an adjustment screw 831, extending upward through the notch and fixedly connected to the bearing assembly 810;

[0155] The upper adjusting nut 832 is screwed on the adjusting screw 831 and abuts against the third connecting seat 820 above the notch;

[0156] The lower adjusting nut 833 is screwed onto the adjusting screw 831 and abuts against the third connecting seat 820 below the notch.

[0157] The adjusting screw 831 passes through the notch from bottom to top and is inserted into the outer ring of the bearing to be fixedly connected with the outer ring of the bearing.

[0158] When in the locked state, the upper adjusting nut 832 is clamped at the top surface of the third connecting seat 820;

[0159] The lower adjusting nut 833 is locked against the bottom surface of the third connecting seat 820 to limit the position of the adjusting screw rod 831 .

[0160] When adjustment is needed, loosen the vertical locking piece to allow the outer ring of the bearing to move up and down, then release the limit on the adjusting screw 831 by screwing on the upper adjusting nut 832 and the lower adjusting nut 833, so that the adjusting screw 831 can move up and down relative to the third connecting seat 820 for position adjustment, and then tighten the upper adjusting nut 832 and the lower adjusting nut 833 after adjustment.

[0161] For example, when the adjusting screw 831 needs to be moved downward, the upper adjusting nut 832 is screwed upward, and the adjusting screw 831 and the bearing assembly 810 will move downward under the action of gravity. After moving into position, the upper adjusting nut 832 is used to limit the position again, and then the lower adjusting nut 833 is screwed to lock it.

[0162] When upward movement is required, the lower adjusting nut 833 is continuously rotated. Since the lower adjusting nut 833 is limited by the third connecting seat 820, it can only rotate, which is then converted into an upward movement of the adjusting screw 831, thereby realizing an upward adjustment of the position.

[0163] In some embodiments of the present application, the large transition pulley 410 is connected to the secondary rotating shaft 530 via an expansion sleeve 900 , and the secondary reduction pulley 510 is connected to the secondary reduction output shaft 540 via an expansion sleeve 900 .

[0164] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the above embodiments, it is still possible for a person skilled in the art to modify the technical solutions described in the above embodiments, or to replace some of the technical features therein with equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions claimed to be protected by the present invention.

Claims

1. A speed reducer for a measuring machine, characterized in that: Included are: Frame body; A power motor connected to the frame body, and its position relative to the frame body in a first direction is adjustable; The first-stage reduction pulley is connected to the power motor and can rotate under the drive of the power motor; A transition pulley assembly is mounted on the frame body, and its position relative to the frame body in a first direction is adjustable, and includes: Transition large pulley; and a small transition pulley coaxially connected thereto; A primary transmission belt is wound around the primary speed reduction pulley and the transition large pulley to form a primary pulley speed reduction structure with the primary speed reduction pulley and the transition large pulley; A secondary reduction pulley is mounted on the frame body and is connected to the transition small pulley through a secondary transmission belt to form a secondary pulley reduction structure; The secondary reduction pulley is connected to a secondary reduction output shaft, and its position relative to the frame body in a second direction is adjustable, and the second direction is perpendicular to the first direction; The secondary reduction output shaft is connected with a secondary reduction terminal component.

2. The speed reducer for a measuring machine according to claim 1, characterized in that: The primary speed reduction pulley and the transition pulley assembly are arranged side by side in the horizontal direction; The secondary reduction pulley is arranged below the transition pulley assembly, and the primary reduction pulley, the transition pulley assembly and the secondary reduction pulley as well as the connecting lines therebetween form a V shape.

3. The speed reducer for a measuring machine according to claim 1, characterized in that: The power motor and the secondary reduction terminal component are located on the same side of the frame body or are respectively arranged on both sides of the frame body.

4. The speed reducer for a measuring machine according to claim 1, characterized in that: The primary transmission belt and the secondary transmission belt are wedge belts, flat belts or synchronous belts.

5. The speed reducer for a measuring machine according to claim 1, characterized in that: Included are: A first connecting socket, wherein the first connecting socket comprises: A first seat body, on which the power motor is mounted, the power motor having an output shaft, and the output shaft is rotatably mounted on the first seat body; and a support leg disposed on the first seat body, the support leg being disposed perpendicular to the first seat body; A first adjusting long slot is provided on the frame body and is opened along a first direction; A first adjustment component passes through the first seat body, the support leg and the first adjustment slot in sequence and extends out of the first adjustment slot, wherein the first adjustment component is slidably arranged in the first adjustment slot; A first threaded portion is provided at an end of the first adjusting component; A first screw adjustment structure, connected to the first connection seat, for applying force to the first connection seat to move it along a first direction; The first locking component can be screwed onto the first threaded portion after the first adjusting component moves into position to lock and fix the first connecting seat and the frame body.

6. The speed reducer for a measuring machine according to claim 5, characterized in that: Also included are: a second connecting seat, on which the transition pulley assembly is mounted; The second connecting seat is provided with a second adjusting long slot; A second adjusting member passes through the frame body and the second adjusting slot, and a second threaded portion is provided at an end of the second locking member, and the second connecting seat can move relative to the second adjusting member along the first direction through the second adjusting slot; A first screwing adjustment structure is connected to the second connecting seat and is used to drive the second connecting seat to move along a first direction; The second locking component is screwed onto the second threaded portion when the second connecting seat is adjusted into place to lock and fix the second connecting seat and the frame body.

7. The speed reducer for a measuring machine according to claim 6, characterized in that: The frame body comprises a front side and a back side arranged opposite to the front side; The first connecting seat is assembled near the front side of the frame body; The second connecting seat is assembled on the back side close to the frame body; A secondary rotating shaft is rotatably connected to the second connecting seat and extends from the second connecting seat to the front side of the frame body; The transition large pulley is connected to the secondary rotating shaft and is located on the front side of the frame body; The small transition pulley is connected to the secondary rotating shaft and is arranged on the back side of the frame body.

8. The speed reducer for a measuring machine according to claim 1, characterized in that: A bearing assembly is provided on the secondary reduction output shaft; A third connecting seat is fixedly mounted at the bottom of the frame body, and a notch is provided on the third connecting seat that passes through the third connecting seat from top to bottom; A screw-nut adjustment assembly includes an adjustment screw, which passes through the notch and extends upward to be fixedly connected to the bearing assembly; An upper adjusting nut is screwed onto the adjusting screw and abuts against a third connecting seat located above the notch; The lower adjusting nut is screwed on the adjusting screw rod and abuts against the third connecting seat below the notch portion.

9. The speed reducer for a measuring machine according to claim 7, characterized in that: The transition large pulley is connected to the secondary rotating shaft via an expansion sleeve, and the secondary reduction pulley is connected to the secondary reduction output shaft via an expansion sleeve.

Images