CN118168789B - Automatic testing device for traction seat - Google Patents
Automatic testing device for traction seat Download PDFInfo
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- CN118168789B CN118168789B CN202410605388.1A CN202410605388A CN118168789B CN 118168789 B CN118168789 B CN 118168789B CN 202410605388 A CN202410605388 A CN 202410605388A CN 118168789 B CN118168789 B CN 118168789B
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- 238000012360 testing method Methods 0.000 title claims abstract description 177
- 230000007246 mechanism Effects 0.000 claims abstract description 32
- 230000005540 biological transmission Effects 0.000 claims description 51
- 238000001125 extrusion Methods 0.000 claims description 12
- 238000005096 rolling process Methods 0.000 claims description 8
- 230000033001 locomotion Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 6
- 230000006835 compression Effects 0.000 description 9
- 238000007906 compression Methods 0.000 description 9
- 238000005457 optimization Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 230000009471 action Effects 0.000 description 6
- 238000003825 pressing Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 4
- 230000005856 abnormality Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
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Abstract
The invention relates to the field of traction seat tests; disclosed is a fifth wheel automatic test equipment, comprising: the test bench, test mechanism is installed at the top of test bench, test mechanism includes rotation seat, power component, locking test piece and swing part, it installs to rotate the seat the top of test bench, power component installs the top of test bench, power component's rotation end with the rotation end of rotation seat is connected, swing part slidable mounting is in the top of rotation seat. According to the invention, the swinging component is arranged and can be used for driving the hydraulic cylinder to swing on the rotating seat, so that the traction pin shaft rotates on the locking position, and when the angle of the hydraulic cylinder changes, the traction pin shaft and the lock hook are always in an effective connection state, so that the testing function of different angles of the traction seat can be realized, the testing range of the traction seat is increased, and the testing precision is facilitated to be improved.
Description
Technical Field
The invention relates to the field of traction seat tests, in particular to an automatic traction seat test device.
Background
The semitrailer traction seat is a bearing part for a cargo tractor to traction the semitrailer, and belongs to chassis parts. The locking mechanism has the main functions of realizing the engagement and locking with the traction pin of the semi-trailer and simultaneously transmitting horizontal force and vertical force between the semi-trailer traction vehicle and the semi-trailer. The traction seat can be divided into a single-axis traction seat and a double-axis traction seat according to the number of the swing axes; the traction seat mainly comprises a traction seat plate, a support, a locking mechanism and the like, wherein the seat plate is in a round or butterfly shape, and uniform oil grooves are distributed on the panel.
At present, in the process of mass production of the traction seats in factories, after the traction seats are assembled, in order to detect whether the locking hook and the pin shaft after the traction seats are assembled can be locked and unlocked normally, a traction seat test device is required to be used for testing the locking condition of the traction seats, the traction seats without abnormality can be packaged and delivered, and the traction seats with abnormality in locking condition of the locking hook are required to be returned to be reassembled in time.
In the related art, when the existing traction seat test device is used for testing, a pin shaft test piece is generally driven by a hydraulic cylinder to be connected with a lock hook of a traction seat, and whether the lock hook of the traction seat to be tested is normal or not is driven by repeatedly locking and unlocking operations.
Disclosure of Invention
The invention aims to solve the problems and provide the automatic testing device for the traction seat, which has a simple structure and reasonable design.
The invention solves the technical problems by the following technical proposal:
An automatic fifth wheel test apparatus comprising: the test bench is characterized in that a test mechanism is arranged at the top of the test bench, the test mechanism comprises a rotating seat, a power part, a locking test part and a swinging part, the rotating seat is rotatably arranged at the top of the test bench, the power part is arranged at the top of the test bench, the rotating end of the power part is connected with the rotating end of the rotating seat, the swinging part is slidably arranged at the top of the rotating seat, the locking test part is arranged on the swinging part, the swinging part is connected with the power part, the power part is used for driving the swinging part to move at the top of the rotating seat, and after the locking test part is connected with a traction seat, the swinging part drives the locking test part to do circular motion by taking the locking position of the traction seat as a circle center;
The top of the test bed is provided with two test stations, the test stations are provided with mounting mechanisms for mounting and fixing the traction seat, and the two mounting mechanisms are positioned on the rotating radius of the rotating seat;
The power component drives the rotating seat, the swinging component and the locking test component to move circularly together, and the locking test component moves from the current test station to another test station.
As a further optimization scheme of the invention, the power component comprises a support frame, a first transmission gear and a driving gear, wherein the support frame is fixedly arranged at the top of the test bed, a power motor is fixedly arranged at the top of the support frame, the first transmission gear is rotatably arranged between the rotating seat and the support frame, the driving gear is fixedly connected with the rotating end of the power motor, and the first transmission gear is meshed with the outer side of the driving gear.
As a further optimization scheme of the invention, the swinging component comprises a fixed seat, an arc-shaped rack, a following gear and a transmission component, wherein the fixed seat is slidably arranged at the top of the rotating seat, a groove is formed in the rotating seat, the arc-shaped rack is fixedly arranged on the inner bottom wall of the groove, the circle center of the arc-shaped rack coincides with the locking position on the traction seat, the following gear is meshed with one side of the arc-shaped rack, and two ends of the transmission component are respectively connected with the following gear and the driving gear.
As a further optimization scheme of the invention, the transmission assembly comprises a second transmission gear and two first belt wheels, wherein the second transmission gear is rotatably arranged between the support frame and the rotating seat, the driving gear is an incomplete gear, when the driving gear is separated from the first transmission gear, the second transmission gear is meshed with the driving gear, a rotating groove is formed in the fixing seat, one first belt wheel is rotatably arranged in the rotating groove, the first belt wheel is connected with the following gear, the other first belt wheel is fixedly sleeved on a rotating shaft of the second transmission gear, the two first belt wheels are connected through a belt in a transmission mode, and the belt is a rubber belt.
As a further optimization scheme of the invention, the transmission assembly further comprises a second belt wheel and a sliding block, the top of the rotating seat is provided with a sliding groove, the sliding block is slidably arranged in the sliding groove, the second belt wheel is rotatably arranged at the top of the sliding block, a supporting spring is fixedly arranged between the sliding block and the side wall of the sliding groove, and the second belt wheel is in transmission connection with the belt.
As a further optimization scheme of the invention, one side of the fixed seat is fixedly provided with a guide wheel, and the guide wheel is in rolling connection with the arc-shaped guide groove on the rotating seat in a matched mode.
As a further optimization scheme of the invention, the locking test part comprises a hydraulic cylinder, a connecting body and a traction pin shaft, wherein the hydraulic cylinder is fixedly connected with the fixing seat, the connecting body is fixedly arranged at the telescopic end of the hydraulic cylinder, and the traction pin shaft is fixedly arranged at one end of the connecting body.
As a further optimization scheme of the invention, the mounting mechanism comprises two mounting plates, a clamping part and a leveling part, wherein the two mounting plates are symmetrically and fixedly mounted on a test station of the test bed, a plurality of linearly distributed positioning shafts are fixedly mounted on the top of the mounting plates, the clamping part is arranged on the test bed and used for fixing the bottom of a traction seat to be tested, and the leveling part is arranged on the test bed and used for adjusting the traction seat to be tested to a horizontal state.
As a further optimization scheme of the invention, the leveling component comprises extrusion rollers, a compression body, a U-shaped guide pipe and a lifting frame, wherein the extrusion rollers are fixedly arranged at one end of the hydraulic cylinder, the compression body is slidably arranged at the top of the test bench, the top of the compression body is provided with a slope matched with the movement track of the swinging component, two ends of the U-shaped guide pipe are slidably provided with piston rods, one of the top ends of the piston rods is fixedly connected with the bottom of the compression body, a first reset spring is arranged between the piston rod and the U-shaped guide pipe, the top end of the other piston rod is fixedly connected with the bottom of the lifting frame, a second reset spring is sleeved outside the piston rod, two ends of the second reset spring are fixedly connected with the bottom of the lifting frame and the top of the U-shaped guide pipe respectively, and a pushing medium is arranged in the U-shaped guide pipe and is positioned between the piston heads of the two piston rods.
As a further optimization scheme of the invention, the clamping part comprises a clamping body, a chute is formed in the position, corresponding to the clamping body, of the top of the test bed, the clamping body is slidably arranged in the chute, a contact roller is fixedly arranged on one side, close to the lifting frame, of the clamping body, the lifting frame comprises a vertical section and an inclined section, the contact roller is in rolling fit with the outer side of the lifting frame, and a connecting spring is fixedly arranged between the clamping body and the test bed.
The invention has the beneficial effects that: the swinging component is arranged and can be used for driving the hydraulic cylinder to swing on the rotating seat, so that the traction pin shaft rotates on the locking position, and when the angle of the hydraulic cylinder changes, the traction pin shaft and the lock hook are always in an effective connection state, so that the testing function of different angles of the traction seat can be realized, the testing range of the traction seat is increased, and the testing precision is improved; and through setting up power component and driving the rotation seat and rotate, realized that test mechanism changes fast on two test stations for test mechanism can carry out test operation in succession, has shortened the waiting time in the middle of the test mechanism, is favorable to accelerating test speed, in order to satisfy the test demand of big traction seat in batches.
Drawings
FIG. 1 is a schematic diagram of a fifth wheel automatic test equipment according to the present invention;
FIG. 2 is a schematic structural view of a testing mechanism in an automatic testing device for a traction seat;
FIG. 3 is a schematic view of the structure between the rotating seat and the power unit in the automatic test equipment for traction seat provided by the invention;
FIG. 4 is a cut-away view of a fifth wheel automatic test equipment provided by the present invention;
FIG. 5 is a schematic view of the present invention in a partial position of FIG. 4;
FIG. 6 is a schematic view of the present invention in a partial position of FIG. 4;
fig. 7 is a schematic structural view of a mounting mechanism in an automatic testing device for a fifth wheel.
In the figure: 1. a traction seat; 2. a test bed; 3. a testing mechanism; 31. a rotating seat; 32. a power component; 321. a support frame; 322. a first transmission gear; 323. a power motor; 324. a drive gear; 33. locking the test part; 331. a hydraulic cylinder; 332. a connecting body; 333. a traction pin shaft; 34. a swinging member; 341. a fixing seat; 342. an arc-shaped rack; 343. a follower gear; 344. a second transmission gear; 345. a first pulley; 346. a rotating groove; 347. a belt; 348. a second pulley; 349. a slide block; 3410. a support spring; 3411. a guide wheel; 35. a groove; 36. a moving groove; 37. an arc-shaped guide groove; 38. a limiting guide groove; 4. a mounting mechanism; 41. a mounting plate; 42. a clamping member; 421. a clamping body; 422. a chute; 423. a contact roller; 424. a connecting spring; 43. a leveling member; 431. extruding rollers; 432. a pressure receiving body; 433. a U-shaped conduit; 434. a lifting frame; 435. a piston rod; 436. a first return spring; 437. and a second return spring.
Detailed Description
The subject matter described herein will now be discussed with reference to example embodiments. It is to be understood that these embodiments are merely discussed so that those skilled in the art may better understand and implement the subject matter described herein and that changes may be made in the function and arrangement of the elements discussed without departing from the scope of the disclosure herein. Various examples may omit, replace, or add various procedures or components as desired. In addition, features described with respect to some examples may be combined in other examples as well.
As shown in fig. 1 to 7, an automatic test equipment for a fifth wheel, comprising: the test bench 2, test mechanism 3 is installed at the top of test bench 2, test mechanism 3 includes rotating seat 31, power component 32, closure test part 33 and swing part 34, rotating seat 31 rotates the top of installing at test bench 2, spacing guide slot 38 has been seted up at the top of test bench 2, rotating seat 31 bottom fixedly connected with spacing axle, this spacing axle cooperates the slip with spacing guide slot 38, play spacing effect to rotating seat 31, power component 32 installs at the top of test bench 2, the rotation end of power component 32 is connected with the rotation end of rotating seat 31, swing part 34 slidable mounting is at the top of rotating seat 31, closure test part 33 installs on swing part 34, swing part 34 is connected with power component 32, power component 32 is used for driving swing part 34 at the top activity of rotating seat 31, after closure test part 33 is connected with traction seat 1, swing part 34 drives closure test part 33 and takes traction seat 1 closure position as the centre of a circle and makes circular motion. The top of test bench 2 is equipped with two test stations, is provided with installation mechanism 4 on the test station, and it is used for installing fixedly to traction seat 1, and two installation mechanism 4 are located the radius of rotation of rotating seat 31, and two installation mechanism 4 use the pivot of rotating seat 31 to be the ninety degrees distributions of center interval.
After the test of the traction seat 1 is finished, the power component 32 drives the rotating seat 31, the swinging component 34 and the locking test component 33 to move circularly together, so that the locking test component 33 moves from the current test station to another test station, the next traction seat 1 is tested, automatic switching between the two test stations is realized, and meanwhile, the traction seat 1 after the test is removed from the mounting mechanism 4 through an external clamping machine, and a new traction seat 1 is placed.
Specifically, the power component 32 includes a support frame 321, a first transmission gear 322 and a driving gear 324, the support frame 321 is fixedly mounted at the top of the test stand 2, a power motor 323 is fixedly mounted at the top of the support frame 321, the first transmission gear 322 is rotatably mounted between the rotating seat 31 and the support frame 321, the driving gear 324 is fixedly connected with the rotating end of the power motor 323, and the first transmission gear 322 is meshed with the outer side of the driving gear 324.
When the power part 32 drives the rotating seat 31 to rotate, the driving gear 324 is driven by the power motor 323 to rotate, so that the first transmission gear 322 and the rotating seat 31 rotate together, the swinging part 34 and the locking test part 33 move along with the rotating seat 31, after the rotating seat 31 rotates ninety degrees, the rotating seat 31 just rotates from the current test station to another test station, the locking test part 33 just rotates to be aligned with the traction seat 1 on the test station, and then the locking test part 33 can perform locking test on the traction seat 1; the invention is mainly used for driving the rotating seat 31 to rotate at the top of the test bed 2 by arranging the power component 32, and can realize the free switching function of the locking test component 33 between two test stations, so that the test mechanism 3 can continuously perform test operation, the waiting time in the middle of the test mechanism 3 is shortened, the test speed is favorably accelerated, and the test requirement of a large number of traction seats 1 is met.
The locking test part 33 comprises a hydraulic cylinder 331, a connecting body 332 and a traction pin shaft 333, wherein the hydraulic cylinder 331 is fixedly connected with the fixed seat 341, the connecting body 332 is fixedly arranged at the telescopic end of the hydraulic cylinder 331, and the traction pin shaft 333 is fixedly arranged at one end of the connecting body 332.
When the locking test part 33 performs a locking test on the traction seat 1, at this time, the locking test part 33 keeps an aligned state with the traction seat 1 on the test station, the connecting body 332 and the traction pin 333 can be driven to approach to the locking position of the traction seat 1 through the extension of the hydraulic cylinder 331, finally, the traction pin 333 and the locking hook on the traction seat 1 are automatically locked, afterwards, the hydraulic cylinder 331 is contracted, the traction pin 333 can be pulled, in the process, whether the traction pin 333 is separated from the locking hook is observed, after a set pulling force value is reached, the hydraulic cylinder 331 stops contracting, the operation is repeated for several times, whether the traction pin 333 is separated from the locking hook is observed, if the traction pin 333 is not separated, the locking effect of the locking hook on the traction seat 1 is normal, after the tensioning test is completed, the locking hook is controlled to unlock, the connecting body 332 and the traction pin 333 are driven to contract together through the contraction of the hydraulic cylinder 331, if the locking hook cannot be unlocked normally, the locking hook is unlocked normally, and the locking hook can be unlocked by pulling a manual unlocking handle.
In order to more fully test the locking effect of the locking hook, the invention further provides a swinging component 34 for driving the locking test component 33 to swing so as to increase the testing range, specifically: the swinging component 34 comprises a fixed seat 341, an arc-shaped rack 342, a following gear 343 and a transmission component, the fixed seat 341 is slidably mounted at the top of the rotating seat 31, a groove 35 is formed in the rotating seat 31, the arc-shaped rack 342 is fixedly mounted on the inner bottom wall of the groove 35, the circle center of the arc-shaped rack 342 coincides with the locking position on the traction seat 1, the following gear 343 is meshed with one side of the arc-shaped rack 342, and two ends of the transmission component are respectively connected with the following gear 343 and the driving gear 324.
Specifically, the transmission assembly includes a second transmission gear 344 and two first pulleys 345, the second transmission gear 344 is rotatably installed between the support frame 321 and the rotating seat 31, the driving gear 324 is an incomplete gear, when the driving gear 324 is separated from the first transmission gear 322, the second transmission gear 344 is meshed with the driving gear 324, a rotating groove 346 is formed in the fixing seat 341, one of the first pulleys 345 is rotatably installed in the rotating groove 346, the first pulley 345 is connected with the following gear 343, the other first pulley 345 is fixedly sleeved on a rotating shaft of the second transmission gear 344, the two first pulleys 345 are in transmission connection through a belt 347, and the belt 347 is a rubber belt 347.
After the lock test member 33 completes the straight line test for the fifth wheel 1, the angle test is started,
The driving gear 324 can be driven to continue to rotate through the rotation of the power motor 323, at this time, the driving gear 324 is just separated from the first transmission gear 322 and is meshed with the second transmission gear 344, so that the driving gear 324 independently drives the second transmission gear 344 to rotate, and the two first pulleys 345 synchronously rotate under the transmission action of the belt 347, so that the following gear 343 can be driven to rotate on the arc-shaped rack 342, and as the circle center of the arc-shaped rack 342 coincides with the locking position of the locking hook, the fixing seat 341 finally drives the locking test part 33 to slowly swing at the locking position of the locking hook, in the moving process of the fixing seat 341, the elasticity of the belt 347 adapts to the position change of the fixing seat 341, the transmission assembly is ensured to always have a transmission action, the traction pin 333 rotates at the locking position and always keeps a locking state with the locking hook, after reaching a set test angle, the power motor 323 stops rotating, finally the fixing seat 341 and the locking test part 33 stops moving, and after the angle test part 33 is completed, the power motor 323 drives the driving gear 324 to reversely rotate, and the fixing seat 341 rotates, and the second gear is separated from the second gear 323 and is meshed with the second gear 344.
The invention can be used for driving the locking test part 33 to swing on the rotating seat 31 by arranging the swinging part 34, so that the traction pin shaft 333 rotates on the locking position, and when the angle of the hydraulic cylinder 331 changes, the traction pin shaft 333 and the lock hook are always in an effective connection state, thereby realizing the different angle test functions of the traction seat 1, increasing the test range of the traction seat 1 and being beneficial to improving the test precision.
In addition, the power component 32 provided by the invention can be used for driving the rotating seat 31 to rotate when being independently used, so that the automatic and rapid switching of the locking test component 33 between two test stations is finally realized, the power component 32 can drive the swinging component 34 to swing when being matched with the swinging component 34, the test angle adjusting function of the locking test component 33 is realized, and the driving gear 324 is set as an incomplete gear, the natural rotation can be completed in the switching process of driving the rotating seat 31 and driving the swinging component 34, the switching operation is simple and rapid, and the power source of the swinging component 34 is saved, so that the power component 32 can well match the test state change of the locking test component 33.
As an embodiment of the present invention, in the above-mentioned scheme, although the elasticity of the belt 347 is utilized to adapt to the position change of the fixing seat 341, the belt 347 is stretched for a long time and is easily broken, so in order to prolong the service life of the belt 347, the embodiment optimizes the above-mentioned scheme, specifically: the transmission assembly further comprises a second belt wheel 348 and a sliding block 349, the top of the rotating seat 31 is provided with a sliding groove 422, the sliding block 349 is slidably arranged in the sliding groove 422, the second belt wheel 348 is rotatably arranged at the top of the sliding block 349, a supporting spring 3410 is fixedly arranged between the sliding block 349 and the side wall of the sliding groove 422, and the second belt wheel 348 is in transmission connection with the belt 347.
When the fixed seat 341 moves, the belt 347 can generate a pulling force on the second belt pulley 348, so that the second belt pulley 348 drives the sliding block 349 to synchronously follow the fixed seat 341 along the sliding groove 422, and one side of the sliding block 349 extrudes the supporting spring 3410 to shrink, so that the position change of the fixed seat 341 is adapted through the position change of the second belt pulley 348, the pulling force borne by the belt 347 is reduced, the belt 347 is prevented from being in a tightening state for a long time, the belt 347 is protected, and the service life of the belt 347 is prolonged.
As an embodiment of the present invention, in order to further improve the stability of the fixing base 341 during swinging, the embodiment optimizes the above scheme, specifically: one side of the fixed seat 341 is fixedly provided with a guide wheel 3411, and the guide wheel 3411 is matched and connected with the arc-shaped guide groove 37 on the rotating seat 31 in a rolling way.
When the fixed seat 341 moves, the guide wheel 3411 can synchronously roll in the arc-shaped guide groove 37, and under the combined action of the guide wheel 3411 and the arc-shaped guide groove 37, the movable fixed seat 341 is well limited, so that the movement is more stable.
As an embodiment of the present invention, the mounting mechanism 4 includes two mounting plates 41, a clamping member 42 and a leveling member 43, the two mounting plates 41 are symmetrically and fixedly mounted on a test station on the test stand 2, three positioning shafts which are linearly distributed are fixedly mounted on the top of the mounting plates 41, the clamping member 42 is disposed on the test stand 2 and is used for fixing the bottom of the traction seat 1 to be tested, and the leveling member 43 is disposed on the test stand 2 and is used for adjusting the traction seat 1 to be tested to a horizontal state.
The leveling component 43 comprises a pressing roller 431, a pressing body 432, a U-shaped conduit 433 and a lifting frame 434, the pressing roller 431 is fixedly arranged at one end of the hydraulic cylinder 331, the pressing body 432 is slidably arranged at the top of the test bench 2, the pressing body 432 comprises a telescopic section and a smooth section, the telescopic section is a slope, the smooth section is a horizontal plane, the slope is matched with the movement track of the swinging component 34, two ends of the U-shaped conduit 433 are slidably provided with piston rods 435, the top end of one piston rod 435 is fixedly connected with the bottom of the pressing body 432, a first reset spring 436 is arranged between the piston rod 435 and the U-shaped conduit 433, the top end of the other piston rod 435 is fixedly connected with the bottom of the lifting frame 434, a second reset spring 437 is sleeved outside the piston rod 435, two ends of the second reset spring 437 are fixedly connected with the bottom of the lifting frame 434 and the top of the U-shaped conduit 433 respectively, a pushing medium is arranged in the U-shaped conduit 433, and the pushing medium can be hydraulic oil and is located between the piston heads 435 of the two piston rods 435.
The clamping component 42 comprises an L-shaped clamping body 421, a sliding groove 422 is formed in the position, corresponding to the clamping body 421, of the top of the test bench 2, two sides of the clamping body 421 are respectively connected with two sides of the sliding groove 422 in a sliding mode through a protruding shaft, a contact roller 423 is fixedly mounted on one side, close to a lifting frame 434, of the clamping body 421, the lifting frame 434 comprises a vertical section and an inclined section, the contact roller 423 is in rolling fit with the outer side of the lifting frame 434, a connecting spring 424 is fixedly mounted between the clamping body 421 and the test bench 2, an anti-abrasion pad is mounted at the bottom of the horizontal section of the clamping body 421, and the anti-abrasion pad can be made of rubber materials and is used for reducing abrasion to the traction seat 1.
When the traction seat 1 is installed and fixed, a worker connects the support at the bottom of the traction seat 1 with the two mounting plates 41 respectively, so that the positioning shaft on the mounting plates 41 is clamped with the mounting holes on the support, then, in the process that the power component 32 drives the rotating seat 31 to rotate to be aligned with the traction seat 1, the extrusion roller 431 synchronously rotates along with the hydraulic cylinder 331, when the extrusion rolling contacts with the compression body 432, the compression body 432 starts to generate downward pressure, the compression body 432 gradually moves downwards, the piston rod 435 connected with the compression body 432 synchronously moves downwards into the U-shaped conduit 433, the first return spring 436 is stretched by the piston rod 435, the pushing medium in the U-shaped conduit 433 is extruded by the left piston rod 435, and upward pushing force is generated on the right piston rod 435, so that the right piston rod 435 drives the lifting frame 434 to move upwards, and the second return spring 437 is stretched, at the same time, the inclined surface of the lifting frame 434 is inclined to the contact roller 423 to generate horizontal thrust, so that the contact roller 423 and the clamping body 421 can be pushed to move horizontally, gradually approach to the bottom bracket of the traction seat 1, the clamping body 421 can be directly contacted with the connecting plate due to the fact that the clamping body 421 is flush with the connecting plate on the bottom bracket of the traction seat 1, the lifting frame 434 continuously moves upwards along with the extrusion rolling to continue to rotate along with the hydraulic cylinder 331, when the vertical surface of the lifting frame 434 is contacted with the contact roller 423, the horizontal thrust generated by the lifting frame 434 is not changed any more, just the clamping body 421 clamps the connecting plate, so that the traction seat 1 keeps stable in the vertical direction, after that, the top of the lifting frame 434 is contacted with the traction seat 1, and the traction seat 1 is pushed to rotate, when the rotating seat 31 rotates to be aligned with the traction seat 1, the power part 32 stops driving, and the rotating seat 31 stops rotating, the extrusion force of the extrusion roller 431 to the compression body 432 is not changed, at this time, the lifting frame 434 also stops lifting, and pushes the traction seat 1to a horizontal state, so that the traction seat can be aligned with the traction pin 333, and then the test can be performed on the latch hook of the traction seat 1; after the test is completed, the power component 32 drives the rotating seat 31 to reversely rotate, so that the extrusion force of the extrusion roller 431 on the pressed body 432 is changed, the left end piston rod 435 starts to move upwards under the respective actions of the first return spring 436 and the second return spring 437, the right end piston rod 435 moves downwards, the extrusion pushing medium moves in the U-shaped conduit 433, finally the lifting frame 434 moves downwards to reset, the clamping body 421 moves horizontally and resets under the action of the elasticity of the connecting spring 424, the clamping action on the bottom of the traction seat 1 is released, and then a worker can take down the traction seat 1 after the test is completed and install a new traction seat 1.
The invention is mainly used for installing the traction seat 1 on a test station by arranging the installation mechanism 4, so that the traction seat 1 can be kept stable in the test process, wherein the leveling component 43 is arranged, the traction seat 1 is jacked to a horizontal state by the leveling component 43 when the traction seat 1 is synchronously driven by rotating to be aligned with the traction seat 1 by means of the hydraulic cylinder 331, the alignment connection of the traction pin shaft 333 and the lock hook is facilitated, the existing leveling mode of extruding the traction seat 1 by using a condensation test piece is replaced, and the jacking mode is favorable for reducing the abrasion to the traction seat 1; and through setting up clamping part 42, it uses with leveling part 43 cooperation, utilize the lift activity of crane 434, can carry out the centre gripping to traction seat 1 bottom support in step and fix, through the design to crane 434 vertical face and inclined plane, can make the clamp 421 to traction seat 1 bottom support fixed earlier afterwards, crane 434 jack-up traction seat 1 rotation again, so, alright avoid the crane 434 jack-up in-process, make traction seat 1 and mounting panel 41 break away from the problem, consequently, this installation mechanism 4 uses through the cooperation between leveling part 43 and the clamping part 42, realized the synchronous regulation with the hydraulic cylinder 331 service condition, need not the individual control regulation, make the test operation to traction seat 1 can go on in order.
The embodiment has been described above with reference to the embodiment, but the embodiment is not limited to the above-described specific implementation, which is only illustrative and not restrictive, and many forms can be made by those of ordinary skill in the art, given the benefit of this disclosure, are within the scope of this embodiment.
Claims (5)
1. An automatic fifth wheel test apparatus comprising: the test bench (2), test mechanism (3) is installed at the top of test bench (2), characterized in that, test mechanism (3) include rotating seat (31), power component (32), closure test part (33) and swing part (34), rotating seat (31) rotate and install at the top of test bench (2), power component (32) install at the top of test bench (2), the rotation end of power component (32) with the rotation end of rotating seat (31) is connected, swing part (34) slidable mounting is in the top of rotating seat (31), closure test part (33) are installed on swing part (34), swing part (34) with power component (32) are connected, power component (32) are used for driving swing part (34) are in the top activity of rotating seat (31), after closure test part (33) are connected with traction seat (1), swing part (34) drive closure test part (33) are used for taking traction seat (1) as circular motion center of a circle; the power component (32) includes a drive gear (324);
The top of the test bed (2) is provided with two test stations, the test stations are provided with mounting mechanisms (4) which are used for mounting and fixing the traction seat (1), and the two mounting mechanisms (4) are positioned on the rotating radius of the rotating seat (31);
The power component (32) drives the rotating seat (31), the swinging component (34) and the locking test component (33) to move together in a circular manner, and the locking test component (33) moves from a current test station to another test station;
The swing part (34) comprises a fixed seat (341), an arc-shaped rack (342), a following gear (343) and a transmission assembly, wherein the fixed seat (341) is slidably installed at the top of the rotating seat (31), a groove (35) is formed in the rotating seat (31), the arc-shaped rack (342) is fixedly installed on the inner bottom wall of the groove (35), the circle center of the arc-shaped rack (342) coincides with the locking position on the traction seat (1), the following gear (343) is meshed with one side of the arc-shaped rack (342), and two ends of the transmission assembly are respectively connected with the following gear (343) and the driving gear (324);
The locking test component (33) comprises a hydraulic cylinder (331), a connecting body (332) and a traction pin shaft (333), wherein the hydraulic cylinder (331) is fixedly connected with the fixed seat (341), the connecting body (332) is fixedly arranged at the telescopic end of the hydraulic cylinder (331), and the traction pin shaft (333) is fixedly arranged at one end of the connecting body (332);
The mounting mechanism (4) comprises two mounting plates (41), a clamping part (42) and a leveling part (43), wherein the two mounting plates (41) are symmetrically and fixedly mounted on a test station on the test bench (2), a plurality of linearly distributed positioning shafts are fixedly mounted on the top of the mounting plates (41), the clamping part (42) is arranged on the test bench (2) and is used for fixing the bottom of a traction seat (1) to be tested, and the leveling part (43) is arranged on the test bench (2) and is used for adjusting the traction seat (1) to be tested to a horizontal state;
The leveling component (43) comprises an extrusion roller (431), a pressure body (432), a U-shaped guide pipe (433) and a lifting frame (434), wherein the extrusion roller (431) is fixedly arranged at one end of the hydraulic cylinder (331), the pressure body (432) is slidably arranged at the top of the test bench (2), a slope matched with the movement track of the swinging component (34) is arranged at the top of the pressure body (432), piston rods (435) are slidably arranged at two ends of the U-shaped guide pipe (433), the top end of one piston rod (435) is fixedly connected with the bottom of the pressure body (432), a first reset spring (436) is arranged between the piston rod (435) and the U-shaped guide pipe (433), the top end of the other piston rod (435) is fixedly connected with the bottom of the lifting frame (434), a second reset spring (437) is sleeved at the outer side of the piston rod (435), two ends of the second reset spring (435) are respectively fixedly connected with the bottom of the lifting frame (433) and the top of the U-shaped guide pipe (433), and the two piston rods (437) are arranged between the two U-shaped guide pipes (433) to push media;
The clamping component (42) comprises a clamping body (421), a sliding groove (422) is formed in the position, corresponding to the clamping body (421), of the top of the test bench (2), the clamping body (421) is slidably mounted in the sliding groove (422), a contact roller (423) is fixedly mounted on one side, close to the lifting frame (434), of the clamping body (421), the lifting frame (434) comprises a vertical section and an inclined section, the contact roller (423) is in rolling fit with the outer side of the lifting frame (434), and a connecting spring (424) is fixedly mounted between the clamping body (421) and the test bench (2).
2. The automatic traction seat testing device according to claim 1, wherein the power component (32) further comprises a supporting frame (321) and a first transmission gear (322), the supporting frame (321) is fixedly installed at the top of the test stand (2), a power motor (323) is fixedly installed at the top of the supporting frame (321), the first transmission gear (322) is rotatably installed between the rotating seat (31) and the supporting frame (321), the driving gear (324) is fixedly connected with the rotating end of the power motor (323), and the first transmission gear (322) is meshed with the outer side of the driving gear (324).
3. The automatic traction seat testing device according to claim 2, wherein the transmission assembly comprises a second transmission gear (344) and two first pulleys (345), the second transmission gear (344) is rotatably mounted between the supporting frame (321) and the rotating seat (31), the driving gear (324) is an incomplete gear, when the driving gear (324) is separated from the first transmission gear (322), the second transmission gear (344) is meshed with the driving gear (324), a rotating groove (346) is formed in the fixing seat (341), one of the first pulleys (345) is rotatably mounted in the rotating groove (346), the other first pulley (345) is fixedly sleeved on the rotating shaft of the second transmission gear (344), the two first pulleys (345) are in transmission connection through a belt (347), and the belt (347) is a rubber belt.
4. A fifth wheel automatic test equipment according to claim 3, wherein said transmission assembly further comprises a second pulley (348) and a slider (349), a moving groove (36) is provided at the top of said rotating base (31), said slider (349) is slidably mounted in said moving groove (36), said second pulley (348) is rotatably mounted at the top of said slider (349), a supporting spring (3410) is fixedly mounted between said slider (349) and the side wall of said moving groove (36), and said second pulley (348) is in transmission connection with said belt (347).
5. The automatic test equipment for a traction seat according to claim 4, wherein a guide wheel (3411) is fixedly arranged on one side of the fixed seat (341), and the guide wheel (3411) is in rolling connection with an arc-shaped guide groove (37) on the rotating seat (31) in a matched mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410605388.1A CN118168789B (en) | 2024-05-16 | 2024-05-16 | Automatic testing device for traction seat |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410605388.1A CN118168789B (en) | 2024-05-16 | 2024-05-16 | Automatic testing device for traction seat |
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| CN118168789A CN118168789A (en) | 2024-06-11 |
| CN118168789B true CN118168789B (en) | 2024-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202410605388.1A Active CN118168789B (en) | 2024-05-16 | 2024-05-16 | Automatic testing device for traction seat |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114813087A (en) * | 2022-05-05 | 2022-07-29 | 天长市茂林机电设备有限责任公司 | Stretching device for trailer hook detection |
| CN116499732A (en) * | 2023-06-29 | 2023-07-28 | 山东神驰重工机械有限公司 | Automatic testing device for traction seat |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207798396U (en) * | 2017-12-31 | 2018-08-31 | 山东德方液压机械股份有限公司 | A kind of draft gear testing machine |
| RU2714848C1 (en) * | 2019-08-09 | 2020-02-19 | Акционерное общество "Научно-производственная корпорация Уралвагонзавод" имени Ф.Э. Дзержинского | Test bench for testing winch |
| RU2729894C1 (en) * | 2019-12-24 | 2020-08-13 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Иркутский государственный аграрный университет имени А.А. Ежевского" | Loading platform for traction testing of machines |
| CN219714716U (en) * | 2023-04-24 | 2023-09-19 | 一汽解放汽车有限公司 | Test device for traction seat |
| CN117168963B (en) * | 2023-11-02 | 2023-12-29 | 江苏浙南装备技术有限公司 | Welding core strength tensile force testing device |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114813087A (en) * | 2022-05-05 | 2022-07-29 | 天长市茂林机电设备有限责任公司 | Stretching device for trailer hook detection |
| CN116499732A (en) * | 2023-06-29 | 2023-07-28 | 山东神驰重工机械有限公司 | Automatic testing device for traction seat |
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