Heavy-load synchronous lifting and overturning device with rack positioning function and control method of heavy-load synchronous lifting and overturning device

Abstract

The invention discloses a rack-positioned heavy-load synchronous lifting and overturning device and a control method thereof. The rack-positioned heavy-load synchronous lifting and overturning device comprises a common base, an electrical control system, two stand columns, two lifting assemblies, two overturning assemblies, two clamp locking systems, two sets of protection devices, two automatic lubricating systems and two overturning tools. The two stand columns are installed on the common base in a bilateral symmetry mode, and the two lifting assemblies are installed on the opposite sides of the two stand columns correspondingly. The two overturning assemblies are fixed to the corresponding lifting assemblies respectively, and the two clamp locking systems are installed on the overturning assemblies respectively. The two protection devices are installed on the two stand columns correspondingly. The two automatic lubricating systems are installed on the two stand columns respectively. The electrical control system is connected with the lifting assembly, the overturning assembly and the clamp locking system. The two overturning tools can be fixed to the corresponding clamp locking systems in a butt joint mode. In conclusion, the device can achieve the long-term reliable and free lifting and overturning capacity of heavy-load products.

Description

Technical Field

[0001] The invention belongs to the technical field of liquid flow testing, and relates to a rack-positioned heavy-load synchronous lifting and turning device and a control method thereof. Background Art

[0002] Key components on aerospace engines, such as nozzle products, are normally shaped like a hollow cone with a small top and a large bottom. The bottom circle has a large diameter, and the height of the whole machine requires climbing operations. During the liquid flow test, it is necessary to complete the test in a flipped posture, that is, a state with a large top and a small bottom. The bare weight of this type of product is as high as 500kg. After adding the flip tool 9, the estimated weight doubles. Realizing the flipping action of the nozzle product and maintaining the stability and safety of the test process are bottlenecks that affect the efficiency of the current liquid flow test. At present, flipping is mainly achieved manually with the help of a crane and a sling. That is, three people stand at the product at an angle of 120°, drop the sling on the protruding flange on the product, and another person operates the crane to slowly lift the product. When the lifting height is greater than the center of gravity of the product, the remaining three people work together to complete the flipping action of the product. The entire process depends on the proficiency of manual operation and the ability to cooperate and coordinate, contains certain quality risks, and is time-consuming and labor-intensive.

[0003] Although the current mature flipping devices have flipping and lifting capabilities, they cannot cope with the long-term reliable flipping of heavy-loaded products. Summary of the invention

[0004] The purpose of the present invention is to provide a rack-positioned heavy-load synchronous lifting and turning device and a control method thereof, which solves the problem in the prior art that it is unable to cope with the long-term reliable turning of heavy-loaded products.

[0005] In order to achieve the above object, the present invention adopts the following technical solution:

[0006] On the one hand, the present invention provides a rack-positioned heavy-load synchronous lifting and flipping device, comprising a common base, an electrical control system, two columns, two lifting assemblies, two flipping assemblies, two clamp locking systems, two sets of protective devices, two automatic lubrication systems and two flipping fixtures; wherein: the two columns are symmetrically installed on the common base, and the two lifting assemblies are respectively installed on the opposite sides of the two columns; the two flipping assemblies are respectively fixedly installed on the corresponding lifting assemblies, and the two clamp locking systems are respectively installed on the corresponding flipping assemblies; the two protective devices are respectively installed on the opposite sides of the two columns at positions other than the lifting assemblies; the two automatic lubrication systems are respectively installed on the two columns and connected to the corresponding lifting assemblies through lubrication pipelines; the electrical control system is installed on one of the columns, and the electrical control system is electrically connected to the power drive device of the lifting assembly, the flipping assembly and the clamp locking system; the two flipping fixtures can be docked and fixed with the corresponding clamp locking systems respectively.

[0007] Furthermore, the common base includes a welding frame, two mounting platforms and multiple pairs of adjustment components, wherein the two mounting platforms are symmetrically installed on the upper surfaces of both ends of the welding frame, the two columns are correspondingly installed on the two mounting platforms, and the multiple pairs of adjustment components are installed at the bottom of the welding frame.

[0008] Furthermore, the lifting assembly includes a motor, a reducer, a coupling, a ball screw pair, a screw fixing seat, a screw support seat, a screw nut seat, a pair of linear guide assemblies and a slide plate, wherein the motor is connected to the electrical control system, the reducer is installed on the output shaft of the motor, the motor and the reducer are installed on the top of the corresponding column, and the other components of the lifting assembly are installed inside the column; the coupling is installed on the output shaft of the reducer, and the ball screw pair is installed on the other end of the coupling, the ball screw pair is supported by the screw fixing seat and the screw support seat, the screw nut seat is installed on the ball screw pair, and the slide plate is installed on the screw nut seat; a pair of linear guide assemblies are symmetrically installed on both sides of the ball screw pair, and both are symmetrically installed on the side walls of the corresponding columns, the slide plate is connected to the sliders on the pair of linear guide assemblies, and the slide plate can realize reciprocating linear motion along the linear guide of the linear guide assembly with the slider to realize lifting; a mounting hole for the flip assembly is provided in the middle of the slide plate.

[0009] Furthermore, the flip assembly includes a servo motor, an RV reducer, a planetary reducer and a flip flange, wherein the servo motor is connected to the electrical control system, the RV reducer is installed on the output shaft of the servo motor; the planetary reducer is installed on the output shaft of the RV reducer, and the flip flange is installed on the output shaft of the planetary reducer; the skateboard is square, and a circular hole is provided in the middle for fixing the flip flange.

[0010] Furthermore, the clamp locking system includes a clamp guide device, a longitudinal toothed plate, a clamping mechanism, an anti-drop pin and a connecting shell, wherein the clamp guide device is installed on the upper end surface of the connecting shell, and the same side of the clamp guide device and the connecting shell are respectively fixed to the flip flange by bolts, and the clamp guide device is a wedge-shaped structure, and is provided with chamfers in the horizontal and vertical directions; one longitudinal toothed plate is arranged on the upper surface of the connecting shell in the horizontal and vertical directions; the clamping mechanism includes two clamping cylinders symmetrically arranged on the left and right sides of the connecting shell by bolts and locating pins, and the two clamping cylinders are connected to the electrical control system; the anti-drop pin is installed in the connecting shell and is connected to the electrical control system through a telescopic cylinder, and can be horizontally extended or retracted from the front side of the connecting shell under the drive of the telescopic cylinder.

[0011] Furthermore, the protective device includes a water retaining plate, an accordion protective cover and a power device protective cover, wherein the accordion protective covers are installed on the upper and lower sides of the slide plate of the lifting assembly, and the power device protective cover is installed on the corresponding column top plate.

[0012] Furthermore, the automatic lubrication system is directly connected to the grease pouring ports of the slider and the ball screw pair through a lubrication pipeline.

[0013] Furthermore, the electrical control system includes a touch screen and a PLC controller, and automatic control of the motor, servo motor and clamping mechanism is achieved through the PLC controller.

[0014] Furthermore, the flipping tooling includes a tooling connecting rod, a plurality of reinforcing rib plates, four tooling positioning toothed plates and two L-shaped tooling support plates, wherein the reinforcing rib plates connect and fix the tooling connecting rod and the vertical surface of the L-shaped tooling support plate, and two tooling positioning toothed plates are installed on the bottom surface of the horizontal plates of the two L-shaped tooling support plates; and two symmetrically arranged circular holes are provided on the vertical plate of the L-shaped tooling support plate.

[0015] On the other hand, the present invention provides a control method for the rack-positioned heavy-load synchronous lifting and flipping device of the present invention, which specifically includes the following steps:

[0016] Step 1, install the product to be tested on the flip tool;

[0017] Step 2: lower the turning tooling with the product to be tested installed from a height by using an overhead crane or other means, so that the tooling positioning toothed plates at both ends of the turning tooling are meshed with the longitudinal toothed plates on the corresponding fixture locking system;

[0018] Step 2: All clamping mechanisms of the fixture locking system simultaneously implement a clamping and fixing action under the control of the electrical control system, and the horizontal plate of the L-shaped fixture support plate of the flip fixture is pressed tightly against the connecting housing of the fixture locking system;

[0019] Step 3: All anti-drop pins of the fixture locking system are extended at the same time under the control of the electrical control system and inserted into the circular holes on the corresponding tooling support plate of the flip tooling;

[0020] Step 4: The motor of the lifting component and the servo motor of the flipping component realize vertical lifting and flipping actions according to the test requirements under the control of the electrical control system;

[0021] Step 5: After the test, all anti-drop pins of the fixture locking system are retracted at the same time under the control of the electrical control system, and come out of the circular holes on the corresponding fixture support plate of the flip fixture;

[0022] Step 6, all the clamping mechanisms of the clamp locking system are opened simultaneously under the control of the electrical control system;

[0023] Step 7, lift the flip tool and detach it from the clamp locking system, and the test is completed.

[0024] Compared with the prior art, the present invention has the following beneficial effects:

[0025] 1. The layout between the symmetrically arranged columns 2 and the common base plate 1 is the structural design basis for realizing heavy-load lifting and flipping, that is, the welded stainless steel plate body 202 and the integrally cast common base 1 can effectively ensure the structural strength and operation stability.

[0026] 2. The lifting assembly 3 and the flip assembly 4 are both symmetrically arranged structures with high synchronization accuracy, which can meet the requirements of synchronous flipping of heavy-loaded products and effectively avoid the risk of deformation of the flipping tooling 9 due to excessive torque caused by the large volume of the product in the flipping state.

[0027] 3. The fixture locking system 5 realizes adaptive position fine-tuning of the flip tool 9 through the longitudinal toothed plate 502, thereby realizing precise control of the position of the product to be tested, realizes automatic and precise guiding and positioning of the flip tool 9 through the fixture guide device 501, and realizes automatic locking of the target object through the clamping mechanism 503.

[0028] In summary, the device of the present invention can realize the free lifting and flipping capabilities of heavy-loaded products, and has (1) the self-locking ability to maintain the lifting and flipping state unchanged; (2) reliable positioning; (3) and has dimensional compatibility within a certain range, does not have excessive requirements on product placement accuracy, reduces the difficulty of manual or outsourced equipment placement, and only requires one person to complete the flipping process. It has rapid positioning capabilities and a safety interlocking function, and operates stably and reliably without quality risks. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a global axonometric view of the rack-positioned heavy-duty synchronous lifting and turning device of the present invention;

[0030] Figure 2 It is a front view of the rack-positioned heavy-load synchronous lifting and turning device of the present invention;

[0031] Figure 3 yes Figure 1 A partial enlarged view of

[0032] Figure 4 It is a structural diagram of the common base plate;

[0033] Figure 5 It is a schematic diagram of the structure of the column;

[0034] Figure 6 It is a structural schematic diagram of the lifting assembly;

[0035] Figure 7 is a schematic diagram of the structure of the flip assembly;

[0036] Figure 8 It is a structural schematic diagram of the clamp locking system;

[0037] Fig. 9 It is a structural schematic diagram of the flip tool;

[0038] Fig.10 It is a schematic diagram of the structure of the protective device.

[0039] The meaning of the symbols in the figure:

[0040] 1- common base, 101- welding frame, 102- mounting platform, 103- adjustment assembly, 104- chemical bolt, 105- hollow bolt;

[0041] 2-column, 201-rib plate, 202-plate body;

[0042] 3-lifting assembly, 301-motor, 302-reducer, 303-coupling, 304-ball screw pair, 305-screw fixing seat, 306-screw support seat, 307-screw nut seat, 308-slide plate, 309-linear guide rail assembly, 310-slider;

[0043] 4- flip assembly, 401- servo motor, 402- RV reducer, 403- planetary reducer, 404- flip flange;

[0044] 5-clamp locking system, 501-clamp guide device, 502-longitudinal toothed plate, 503-clamping mechanism, 504-anti-drop latch, 505-connecting housing;

[0045] 6-protective device, 601-water baffle, 602-organ protective cover, 603-power device shield;

[0046] 7-Automatic lubrication system, 8-Electrical control system;

[0047] 9-flip tooling, 901-tooling connecting rod, 902-reinforcement rib plate, 903-tooling positioning toothed plate, 904-L-type tooling support plate. DETAILED DESCRIPTION

[0048] The present invention is described in detail below with reference to the accompanying drawings and specific embodiments.

[0049] like Figure 1 , Figure 2As shown, the rack-positioned heavy-duty synchronous lifting and flipping device provided by the present invention comprises a common base 1, an electrical control system 8, two columns 2, two lifting assemblies 3, two flipping assemblies 4, two clamp locking systems 5, two sets of protective devices 6, two automatic lubrication systems 7 and two flipping fixtures 9; wherein: the two columns 2 are symmetrically mounted on the common base 1, and the two lifting assemblies 3 are respectively mounted on the opposite sides of the two columns 2; the two flipping assemblies 4 are respectively fixedly mounted on the corresponding lifting assemblies 3, and the two clamp locking systems 5 are respectively mounted on the corresponding flipping assemblies 4; the two protective devices 6 are respectively mounted on the opposite sides of the two columns 2 except the lifting assemblies 3; the two automatic lubrication systems 7 are respectively mounted on the two columns 2 and connected to the corresponding lifting assemblies 3 through lubrication pipelines; the electrical control system 8 is mounted on one of the columns 2, and the electrical control system 8 is electrically connected to the power drive devices of the lifting assembly 3, the flipping assembly 4 and the clamp locking system 5; the two flipping fixtures 9 can be docked and fixed with the corresponding clamp locking systems 5 respectively.

[0050] In the above technical solution, the common base 1 is used to ensure that the two symmetrical columns 2 are on the same installation reference plane. The column 2 is used to install the lifting assembly 3 to meet the lifting stroke requirements, while meeting the load-bearing capacity of the flip tool 9 and the product. The lifting assembly 3 is used to provide guidance and power for the rising and falling movements of the flip assembly 4 installed thereon, ensuring the smoothness and accuracy of the up and down movement; the flip assembly 4 is used to drive the clamp locking system 5, the flip tool 9 and the product as a whole to achieve flipping within the range of ±180°, provide guidance and power transmission for the flipping movement, and ensure the smoothness and accuracy of the flipping movement; the clamp locking system 5 is used to realize the automatic positioning, rapid clamping and release of the flip tool 9, and to prevent the flip tool 9 from falling during the flipping process. Two sets of protective devices 6 are arranged along the two columns 2 in the lifting direction to wrap the opposite sides of the two columns 2 in all directions except for the lifting assembly 3, and are arranged so as not to hinder the travel of the lifting assembly 3, so as to ensure that mechanical or electrical failures will not be caused when water splashes during the test, so that the device can achieve physical isolation of the water medium, and thus be suitable for environments with water mist on site; the automatic lubrication system 7 is equipped with an automatic grease filling port, which is convenient for manual regular grease filling to achieve regular lubrication of the transmission mechanism of the lifting assembly 3; the electrical control system 8 is used to control the operation of the lifting assembly 3, the flipping assembly 4 and the clamp locking system 5; the two flipping fixtures 9 are used to fix and carry the product, so as to load the product between the two columns 2. In summary, the device of the present invention can achieve Z-axis lifting perpendicular to the ground and X-axis flipping around the axis parallel to the ground, meeting the automatic lifting and automatic flipping functions of the target product.

[0051] As a preferred embodiment of the present invention, Figure 4As shown, the common base 1 includes a welding frame 101, two mounting platforms 102 and multiple pairs of adjustment components 103, wherein the two mounting platforms 102 are symmetrically mounted on the upper surfaces of both ends of the welding frame 101, the two columns 2 are correspondingly mounted on the two mounting platforms 102, and the multiple pairs of adjustment components 103 are mounted at the bottom of the welding frame 101. The upper surface of the mounting platform 102 is a machined surface to ensure the flatness and verticality requirements when installing the column 2; the adjustment component 103 is used to fix the welding frame 101 to the ground, and is also used to adjust the parallelism of the welding frame 101 and the ground. Preferably, the welding frame 101 is welded by 304 stainless steel rectangular steel pipes and 304 stainless steel plates, and the surface is passivated. Preferably, the adjustment component 103 uses chemical bolts 104 and leveling bolts 105, and is specifically fixed by two chemical bolts 104 on the left and right sides of the common base 1, and the remaining positions are fixed by leveling bolts 105. The gap between the welding frame 101 and the ground is adjusted by rotating the leveling bolts 105, and then the device of the present invention is leveled, which can meet the leveling requirements of ground unevenness within 15 mm.

[0052] As a preferred embodiment of the present invention, Figure 5 As shown, the plate body 202 of the column 2 is welded with 304 stainless steel plates. The welding method is full welding to ensure the sealing of the welds and the overall surface is passivated. In addition, in order to ensure the rigidity and strength of the column 2, the same rib plate arrangement method as the machine tool column is adopted inside the column 2, and an angle reinforcing rib plate 201 is set on the outer side of the bottom of the column 2.

[0053] As a preferred embodiment of the present invention, Figure 6As shown, the lifting component 3 includes a motor 301, a reducer 302, a coupling 303, a ball screw pair 304, a screw fixing seat 305, a screw support seat 306, a screw nut seat 307, a pair of linear guide rail assemblies 309 and a slide plate 308, wherein the motor 301 is the power source for the lifting of the lifting component 3, which is connected to the electrical control system 8 to realize the function of reducing speed and increasing torque, the reducer 302 is installed on the output shaft of the motor 301, the motor 301 and the reducer 302 are installed on the top of the corresponding column 2, and the other components of the lifting component 3 are installed inside the column 2. A coupling 303 is installed on the output shaft of the reducer 302, and a ball screw pair 304 is installed on the other end of the coupling 303. The ball screw pair 304 is supported by a screw fixing seat 305 and a screw support seat 306. A screw nut seat 307 is installed on the ball screw pair 304, and a slide plate 308 is installed on the screw nut seat; a pair of linear guide rail assemblies 309 are symmetrically installed on both sides of the ball screw pair 304, and both are symmetrically installed on the side walls of the corresponding columns 2, and the slide plate 308 is connected to the sliders 310 on the pair of linear guide rail assemblies 309. The slide plate 308 can realize reciprocating linear motion along the linear guide of the linear guide rail assembly 309 with the slider 310 to realize lifting and lowering; a mounting hole for the flip assembly 4 is provided in the middle of the slide plate 308.

[0054] Preferably, position sensors are arranged at the upper and lower limits of the linear guide assembly 309 in the lifting assembly 3, and both position sensors are connected to the control system 8, which can provide power-off protection for the travel and positioning of the lifting shaft under the control of the control system 8.

[0055] As a preferred embodiment of the present invention, Figure 7 As shown, the flip assembly 4 includes a servo motor 401, an RV reducer 402, a planetary reducer 403 and a flip flange 404. The servo motor 401 is the power source for the flipping device, which is connected to the electrical control system 8. The RV reducer 402 is installed on the output shaft of the servo motor 401. The RV reducer 402 has a large number of meshing gears, and has the characteristics of small size and light weight, as well as high rigidity and overload resistance. Considering the routing of cables and air pipes, a hollow RV reducer 402 is preferably used; a planetary reducer 403 is installed on the output shaft of the RV reducer 402, and a flip flange 404 is installed on the output shaft of the planetary reducer 403; the slide plate 308 is square, and a circular hole is provided in the middle for fixing and installing the flip flange 404.

[0056] Preferably, both the motor 301 and the servo motor 401 use electromagnetic brakes. Even if the power supply to the factory suddenly fails during the brake opening process (ascending, descending or flipping), the electrical components will fail and the electromagnetic brake will automatically lock mechanically, thereby preventing the vehicle from slipping and increasing safety.

[0057] As a preferred embodiment of the present invention, Figure 8 As shown, the clamp locking system 5 includes a clamp guide device 501, a longitudinal toothed plate 502, a clamping mechanism 503, an anti-dropping pin 504 and a connecting shell 505. The clamp guide device 501 is installed on the upper end surface of the connecting shell 505, and the same side of the clamp guide device 501 and the connecting shell 505 are respectively fixed to the flip flange 404 by bolts. The clamp guide device 501 is a wedge-shaped structure, and is provided with chamfers in the horizontal direction and the vertical direction, which is used to realize the direction guiding function when the flip tool 9 is placed on the flip assembly 4; the longitudinal toothed plate 502 is a rack structure, and a longitudinal toothed plate 502 is arranged on the upper surface of the connecting shell 505 in the horizontal direction and the vertical direction respectively; the clamping mechanism 503 includes two clamping cylinders symmetrically arranged on the left and right sides of the connecting shell 505 by bolts and positioning pins, and the two clamping cylinders are connected to the electrical control system 8, and the automatic locking function of the product and the flip tool 9 in the vertical direction is realized by controlling the opening or clamping. The anti-drop pin 504 is installed in the connecting shell 505 and is connected to the electrical control system 8 through the telescopic cylinder. It can be horizontally extended or retracted from the front side of the connecting shell 505 under the drive of the telescopic cylinder. The anti-drop pin 504 of the clamp locking system 5 is relatively extended and inserted into the flip tooling 9 from both ends, further assisting the clamping mechanism 503 to fix the flip tooling 9 and improving the stability during the flipping process.

[0058] Preferably, the clamp locking system 5 adopts a pneumatic clamping cylinder with a mechanical dead point locking function. In the event of a sudden gas outage in the factory, the clamping mechanism 503 is in a clamping state, the starting parts will suddenly fail, and the system cannot be opened, which can prevent the failure of the pneumatic clamping cylinder during the flipping process and cause product falling and damage; after the gas is restored, the clamp locking system 5 automatically returns to a usable state, and the liquid flow test can continue, which increases safety.

[0059] The turning tool 9 is a non-standard tool designed to realize the turning of the target object. Fig. 9As shown, the flip tool 9 includes a tool connecting rod 901, a plurality of reinforcing ribs 902, four tool positioning toothed plates 903 and two L-shaped tool support plates 904. Among them, the tool connecting rod 901 is used to connect with the product to be tested, and the connection method is designed according to the non-standard product appearance. The reinforcing rib plate 902 connects and fixes the vertical surfaces of the tool connecting rod 901 and the L-shaped tool support plate 904 by welding, which plays a structural reinforcement function. Two tool positioning toothed plates 903 are installed on the bottom surface of the horizontal plates of the two L-shaped tool support plates 904. When the flip tool 9 falls from a high place in the vertical direction to the flip assembly 4 by a crane or other means, the horizontal plate of the L-shaped tool support plate 904 overlaps the upper end surface of the connecting shell 505 of the clamp locking system 5, and the tool positioning toothed plate 903 and the corresponding longitudinal toothed plate 502 on the clamp locking system 5 realize the meshing positioning of the rack. The toothed plate has the ability of precise positioning. After precise positioning, the flip tooling 9 meets the position deviation of ±5mm in the horizontal and vertical directions to achieve precise positioning of the flip tooling 9; two symmetrically arranged circular holes are provided on the vertical plate of the L-shaped tooling support plate 904. When the anti-drop pin 504 of the clamp locking system 5 extends out and extends into the circular hole, multiple safety protections are achieved for the flip tooling from both ends.

[0060] As a preferred embodiment of the present invention, Fig.10 As shown, the protective device 6 includes a water baffle 601, an accordion protective cover 602 and a power device protective cover 603. Among them, the accordion protective cover 602 (preferably made of waterproof nylon cloth) is installed on the upper and lower sides of the slide plate 308 of the lifting assembly 3, and the power device protective cover 603 is made of 304 sheet metal bent and installed on the top plate of the corresponding column 2 to protect the motor 301 and the reducer 302 installed on the top of the column 2.

[0061] As a preferred embodiment of the present invention, the automatic lubrication system 7 is used to lubricate the slider 310 and the ball screw pair 304, preferably using grease lubrication; the lubrication interval is manually set, and each lubrication point is quantitatively lubricated each time. When the amount of grease is insufficient, an automatic alarm is given. The automatic lubrication system 7 is directly connected to the grease pouring port of the slider 310 and the ball screw pair 304 through a lubrication pipeline.

[0062] As a preferred embodiment of the present invention, the electrical control system 8 includes a touch screen and a PLC controller, and is equipped with an automatic execution button. The lifting and flipping parameters of different products have been packaged and solidified by the program. The automatic control of the motor 301, the servo motor 401 and the clamping mechanism 503 is realized by the PLC controller, so as to realize the lifting action, flipping action, and automatic clamping action of the clamp locking system. The corresponding function can be realized by manually clicking the corresponding buttons on the touch screen one by one according to the operation guide. The operation is simple and the program control anti-fool function. During the working process, the PLC controller of the electrical control system 8 can synchronously control the motor 301 and the servo motor 401. If a fault occurs, the movement of the device of the present invention will be limited and the alarm device will stop immediately. When either side does not work during the dual drive, a signal will be fed back to the electrical control system 8. The electrical control system 8 will make an alarm prompt error code processing. At this time, it is necessary to stop the test and check the reason for the motor being out of sync. In this embodiment, the touch screen of the electrical control system 8 adopts Siemens HMI, which is convenient for manual operation and monitoring and debugging. The PLC controller adopts the open PROFINENT communication standard to realize the synchronous and precise control of the lifting axis and the flip axis.

[0063] The control method of the rack-positioned heavy-load synchronous lifting and flipping device of the present invention specifically comprises the following steps:

[0064] Step 1, installing the product to be tested on the turning tool 9;

[0065] Step 2: drop the turning tool 9 with the product to be tested from a height by using an overhead crane or other means, so that the tool positioning toothed plates 903 at both ends of the turning tool 9 and the longitudinal toothed plates 502 on the corresponding fixture locking system 5 are meshed and positioned with the racks, thereby achieving the first level of safety protection;

[0066] Step 2: All the clamping mechanisms 503 of the clamp locking system 5 simultaneously implement the clamping and fixing action under the control of the electrical control system 8, and the horizontal plate of the L-shaped tooling support plate 904 of the flip tooling 9 is pressed tightly against the connecting housing 505 of the clamp locking system 5, thereby realizing the second level of safety protection;

[0067] Step 3, all anti-drop pins 504 of the fixture locking system 5 are extended at the same time under the control of the electrical control system 8, and inserted into the circular holes on the corresponding tooling support plates 904 of the flip tooling 9, thereby realizing the third level of safety protection;

[0068] Step 4, the motor 301 of the lifting component 3 and the servo motor 401 of the flipping component 4 perform vertical lifting and flipping actions according to the test requirements under the control of the electrical control system 8;

[0069] Step 5, after the test is completed, all anti-drop pins 504 of the fixture locking system 5 are retracted at the same time under the control of the electrical control system 8, and come out of the circular holes on the corresponding fixture support plates 904 of the flip fixture 9;

[0070] Step 6, all the clamping mechanisms 503 of the clamp locking system 5 are opened simultaneously under the control of the electrical control system 8;

[0071] Step 7, lift the flipping tool 9 and detach it from the clamp locking system 5, and the test is finished.

[0072] The present invention can realize the ability to lift and flip heavy-loaded products freely, and has (1) the self-locking ability to keep the lifting and flipping state unchanged; (2) reliable positioning; (3) and dimensional compatibility within a certain range, without excessively high requirements on product placement accuracy, reducing the difficulty of manual or outsourced equipment placement, and only one person is needed to complete the flipping process. It has rapid positioning capabilities and a safety interlocking function, and operates stably and reliably without quality risks.

Claims

1. A rack-positioned heavy-load synchronous lifting and turning device, characterized in that: The utility model comprises a common base (1), an electrical control system (8), two columns (2), two lifting assemblies (3), two flipping assemblies (4), two clamp locking systems (5), two sets of protective devices (6), two automatic lubrication systems (7) and two flipping tooling (9); wherein: the two columns (2) are symmetrically mounted on the common base (1); the two lifting assemblies (3) are respectively mounted on opposite sides of the two columns (2); the two flipping assemblies (4) are respectively fixedly mounted on the corresponding lifting assemblies (3); the two clamp locking systems (5) are respectively mounted on the corresponding flipping assemblies The two protective devices (6) are respectively installed on the opposite sides of the two columns (2) at positions other than the lifting components (3); the two automatic lubrication systems (7) are respectively installed on the two columns (2) and connected to the corresponding lifting components (3) through lubrication pipelines; the electrical control system (8) is installed on one of the columns (2), and the electrical control system (8) is electrically connected to the lifting components (3), the turning components (4) and the power drive device of the clamp locking system (5); and the two turning fixtures (9) can be respectively docked and fixed with the corresponding clamp locking systems (5).

2. The rack-positioned heavy-load synchronous lifting and turning device according to claim 1, characterized in that: The common base (1) comprises a welding frame (101), two mounting platforms (102) and a plurality of pairs of adjustment components (103), wherein the two mounting platforms (102) are symmetrically mounted on the upper surfaces of both ends of the welding frame (101), the two columns (2) are correspondingly mounted on the two mounting platforms (102), and the plurality of pairs of adjustment components (103) are mounted on the bottom of the welding frame (101).

3. The rack-positioned heavy-load synchronous lifting and turning device according to claim 1, characterized in that: The lifting assembly (3) comprises a motor (301), a reducer (302), a coupling (303), a ball screw pair (304), a screw fixing seat (305), a screw support seat (306), a screw nut seat (307), a pair of linear guide rail assemblies (309) and a slide plate (308), wherein the motor (301) is connected to an electrical control system (8), a reducer (302) is installed on the output shaft of the motor (301), the motor (301) and the reducer (302) are installed on the top of the corresponding column (2), and other components of the lifting assembly (3) are installed inside the column (2); a coupling (303) is installed on the output shaft of the reducer (302), and the other end of the coupling (303) is installed A ball screw pair (304) is supported by a screw fixing seat (305) and a screw support seat (306); a screw nut seat (307) is installed on the ball screw pair (304); a slide plate (308) is installed on the screw nut seat; a pair of linear guide rail assemblies (309) are symmetrically installed on both sides of the ball screw pair (304), and both are symmetrically installed on the side walls of the corresponding columns (2); the slide plate (308) is connected to the sliders (310) on the pair of linear guide rail assemblies (309); the slide plate (308) can realize reciprocating linear motion along the linear guide of the linear guide rail assembly (309) with the slider (310) to realize lifting; a mounting hole for the flip assembly (4) is provided in the middle of the slide plate (308).

4. The rack-positioned heavy-load synchronous lifting and turning device according to claim 3, characterized in that: The flip assembly (4) comprises a servo motor (401), an RV reducer (402), a planetary reducer (403) and a flip flange (404), wherein the servo motor (401) is connected to the electrical control system (8), the RV reducer (402) is installed on the output shaft of the servo motor (401); the planetary reducer (403) is installed on the output shaft of the RV reducer (402), and the flip flange (404) is installed on the output shaft of the planetary reducer (403); the slide plate (308) is square, and a circular hole is provided in the middle thereof for fixing and installing the flip flange (404).

5. The rack-positioned heavy-load synchronous lifting and turning device according to claim 4, characterized in that: The clamp locking system (5) comprises a clamp guide device (501), a longitudinal toothed plate (502), a clamping mechanism (503), an anti-drop latch (504) and a connecting shell (505), wherein the clamp guide device (501) is installed on the upper end surface of the connecting shell (505), and the same side of the clamp guide device (501) and the connecting shell (505) are respectively fixed to the flip flange (404) by bolts, and the clamp guide device (501) is a wedge-shaped structure, and is provided with chamfers in the horizontal direction and the vertical direction; the connecting shell The upper surface of the connecting shell (505) is provided with one longitudinal toothed plate (502) in the horizontal direction and one in the vertical direction; the clamping mechanism (503) comprises two clamping cylinders symmetrically arranged on the left and right sides of the connecting shell (505) by bolts and positioning pins, and both clamping cylinders are connected to the electrical control system (8); the anti-dropping latch (504) is installed in the connecting shell (505) and is connected to the electrical control system (8) through a telescopic cylinder, and can be horizontally extended or retracted from the front side of the connecting shell (505) under the drive of the telescopic cylinder.

6. The rack-positioned heavy-load synchronous lifting and turning device according to claim 1, characterized in that: The protective device (6) includes a water retaining plate (601), an accordion protective cover (602) and a power device protective cover (603), wherein the accordion protective cover (602) is installed on the upper and lower sides of the slide plate (308) of the lifting component (3), and the power device protective cover (603) is installed on the top plate of the corresponding column (2).

7. The rack-positioned heavy-load synchronous lifting and turning device according to claim 1, characterized in that: The automatic lubrication system (7) is directly connected to the grease pouring ports of the sliding block (310) and the ball screw pair (304) via a lubrication pipeline.

8. The rack-positioned heavy-load synchronous lifting and turning device according to claim 1, characterized in that: The electrical control system (8) comprises a touch screen and a PLC controller, and the PLC controller is used to realize automatic control of the motor (301), the servo motor (401) and the clamping mechanism (503).

9. The rack-positioned heavy-load synchronous lifting and turning device according to claim 5, characterized in that: The flip tool (9) comprises a tool connecting rod (901), a plurality of reinforcing rib plates (902), four tool positioning toothed plates (903) and two L-shaped tool support plates (904), wherein the reinforcing rib plates (902) connect and fix the tool connecting rod (901) and the vertical surfaces of the L-shaped tool support plates (904), and two tool positioning toothed plates (903) are installed on the bottom surfaces of the horizontal plates of the two L-shaped tool support plates (904); and two symmetrically arranged circular holes are provided on the vertical plates of the L-shaped tool support plates (904).

10. A control method for the rack-positioned heavy-load synchronous lifting and turning device according to claim 9, comprising the following steps: Step 1, installing the product to be tested on the turning tool (9); Step 2, the turning tool (9) on which the product to be tested is mounted is dropped from a height using an overhead crane or other means, so that the tool positioning toothed plates (903) at both ends of the turning tool (9) are meshed with the longitudinal toothed plates (502) on the corresponding fixture locking system (5) to achieve rack locking; Step 2: All the clamping mechanisms (503) of the clamp locking system (5) simultaneously implement the clamping and fixing action under the control of the electrical control system (8), and the horizontal plate of the L-shaped tooling support plate (904) of the flip tooling (9) is pressed tightly against the connection housing (505) of the clamp locking system (5); Step 3, all anti-drop latches (504) of the fixture locking system (5) are extended simultaneously under the control of the electrical control system (8) and inserted into the circular holes on the corresponding tooling support plates (904) of the flip tooling (9); Step 4, the motor (301) of the lifting component (3) and the servo motor (401) of the flipping component (4) perform vertical lifting and flipping actions according to test requirements under the control of the electrical control system (8); Step 5, after the test is completed, all anti-drop pins (504) of the fixture locking system (5) are retracted at the same time under the control of the electrical control system 8, and are released from the circular holes on the corresponding tooling support plate (904) of the flip tooling (9); Step 6, all the clamping mechanisms (503) of the clamp locking system (5) are opened simultaneously under the control of the electrical control system (8); Step 7, lift the flipping tool (9) and detach it from the clamp locking system (5), and the test is finished.

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