CN117405420A - Universal rubber track driven static driving test method - Google Patents
Universal rubber track driven static driving test method Download PDFInfo
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- CN117405420A CN117405420A CN202311384326.4A CN202311384326A CN117405420A CN 117405420 A CN117405420 A CN 117405420A CN 202311384326 A CN202311384326 A CN 202311384326A CN 117405420 A CN117405420 A CN 117405420A
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- 230000003068 static effect Effects 0.000 title claims abstract description 27
- 238000010998 test method Methods 0.000 title claims abstract description 17
- 238000012360 testing method Methods 0.000 claims abstract description 56
- 238000000034 method Methods 0.000 claims description 20
- 230000002457 bidirectional effect Effects 0.000 claims description 7
- 238000013461 design Methods 0.000 claims description 5
- 210000001503 joint Anatomy 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 230000000087 stabilizing effect Effects 0.000 claims 1
- 238000005299 abrasion Methods 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- G01M17/03—Endless-tracks
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Abstract
The invention discloses a general rubber track driven static driving test method, which relates to the technical field of track test, and comprises the following steps of selecting a rubber track, installing a device, preparing a test device, wherein the device comprises a base and an electric vortex power meter, the base is connected with a supporting plate through a height adjusting part, the surface of a driving shaft is fixedly connected with a driving wheel, a vertical plate is connected with two driven wheels through a sliding adjusting part, the static and dynamic test is prepared before the test, a stable test structure is realized, a baffle I is slidingly connected on a turntable through an abutting part, the height of the driving wheel is adjusted through the height adjusting part, the two driven wheels are driven to move oppositely or relatively through the sliding adjusting part, so that the rubber tracks with different diameters are tensioned, the universality and the test efficiency of the test device are improved, the baffle II is driven to abut against the rubber track through the movement of the abutting part, the shaking is prevented, and the accuracy of test data is improved.
Description
Technical Field
The invention relates to the technical field of caterpillar tests, in particular to a universal rubber caterpillar driving static driving test method.
Background
The rubber crawler is made of rubber and framework materials, is widely used for engineering machinery, agricultural machinery and military equipment, has low noise, small vibration and comfortable riding, is particularly suitable for occasions with high-speed transfer, and realizes the full road surface passing performance. Advanced and reliable electric instrument and complete machine state monitoring system provides reliable guarantee for correct operation of a driver. In addition to military applications, it is also widely used in large machinery, such as tracked vehicles like shovels, where the functionality and function are the same.
The dynamic and static driving testing device and the dynamic and static driving testing method for the universal rubber track disclosed in Chinese patent CN201410107810.7 can be used for simulating dynamic and static driving performances of the rubber track under the working conditions of different track wrap angles of various tracks and driving wheels with different sizes, are simple in structure, convenient to install and maintain, low in cost, convenient to adjust and reliable in work, and provide test support and performance test for the design of the rubber track drive angles and the driving wheels.
Based on the retrieval of the prior art, the comprehensive performance level of the domestic rubber crawler is known to be uneven, the comprehensive performance level of the domestic rubber crawler is greatly different from the foreign level, the performance index is ambiguous, reliable test data is lacked as a basis, when the driving test is carried out on the rubber crawler, the test device cannot adapt to the rubber crawler with various specifications due to different specifications of the rubber crawler used by the rubber crawler travelling device of different vehicles, the universality of the device is poor, the test efficiency is low, the shaking condition of the rubber crawler with different specifications is easy to occur in the test process, and the accuracy of the test data is further influenced.
Disclosure of Invention
The invention aims to provide a general rubber track driven static driving test method, which solves the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the universal rubber track driven static driving test method comprises the following steps:
step S1: preparing a rubber track to be tested, and measuring the specification of the rubber track, wherein the specification of the rubber track is generally determined by three key parameters of the width of a chain link, the thickness of a plate link and the diameter of the plate link;
step S2: the method comprises the steps that a testing device is prepared, the testing device comprises a base and an electric vortex dynamometer, two symmetrically-distributed vertical plates are fixedly connected to the surface of the base, one side of the base is connected with a supporting plate through a height adjusting component, the surface of the supporting plate is connected with a driving shaft through a driving component, the surface of the driving shaft is fixedly connected with a driving wheel, the vertical plates are connected with two driven wheels through a sliding adjusting component, the two vertical plates are provided with conveying belts, and the conveying belts are connected with the electric vortex dynamometer;
step S3: the rubber crawler belt is sleeved on the driving wheel and the two driven wheels, the height of the driving wheel and the distance between the two driven wheels are adjusted according to the diameter of the rubber crawler belt, the rubber crawler belt is in a tensioning state, and the vertical plate is provided with a pressure adjusting component for simulating resistance in the driving process;
step S4: starting a driving part, driving the driving wheel to rotate through set driving moment and speed, applying resistance moment to the conveying belt through the electric vortex dynamometer, further applying running resistance to the rubber track to simulate the resistance applied in the actual running process, then testing the service life of a driving angle of the rubber track, the stability during engagement, the abrasion condition during engagement and the linear running performance of the rubber track, setting the resistance moment to be larger than the driving moment set by the driving part after finishing, gradually and slowly loading the driving moment to the set driving moment, observing the stress deformation of the driving angle at a single or different positions, evaluating and testing the driving angle design, and the engagement condition of the driving angle and the driven wheel;
step S5: the driving wheel and the two driven wheels are fixedly connected with turntables on two sides, a first baffle is connected to the turntables in a sliding mode through a butt joint part, a second baffle is connected to the first surface of the first baffle through a second threaded rod and a limiting rod, the second baffle can be adjusted according to the thickness of a plate chain of the rubber crawler and the width of a chain link before dynamic and static testing, the second baffle is abutted to two sides of the rubber crawler, the rubber crawler is prevented from shaking or even falling off in the testing process, and the contact of the rubber crawler and the conveying belt is not affected.
Optionally, the sliding adjustment component includes:
the first threaded rod is fixedly connected with a fixed plate on the surface of the base, the first threaded rod is rotatably connected with the surface of the fixed plate through a fixed shaft, the first threaded rod is in threaded connection with a sliding plate, and a sliding opening used for the sliding plate to extend into and be in sliding connection with the sliding plate is formed in the surface of the vertical plate;
the two movable plates are arranged on the upper surface of the vertical plate, a first sliding groove used for the movable plate to extend into and be connected with the movable plate in a sliding mode is formed in the upper surface of the vertical plate, a driven shaft is connected to the surfaces of the movable plates in a fixed shaft rotating mode, the driven shafts are fixedly connected to the surfaces of the driven shafts, and a second rotating plate is hinged between each sliding plate and each movable plate.
Optionally, the height adjusting part includes the bottom plate, two spouts two have been seted up to the surface of bottom plate, two equal sliding connection has the slider in the spout two, the inner wall dead axle rotation of spout two is connected with two-way threaded rod, the surface of slider has been seted up and is used for two-way threaded rod passes and screw hole three with its threaded connection, two the surface of slider with all articulate jointly between the bottom of backup pad has a rotating plate one, the fixed surface of bottom plate is connected with motor one, the output of motor one with the tip fixed connection of two-way threaded rod.
Optionally, the abutment member includes:
the limiting disc is fixedly connected to the surface of the driving shaft or the driven shaft in a rotating way, a cavity is formed in the rotary disc, and an abutting plate is fixedly connected to the surface of the limiting disc, which is positioned in the cavity;
the bottom of the first baffle is fixedly connected with an abutting block, the surface of the turntable is provided with a first through hole for the abutting block to pass through and be in sliding connection with, the bottom of the abutting block is in arc-shaped arrangement and is abutted with the abutting plate, and a first spring is fixedly connected between the abutting block and the inner wall of the turntable;
the second threaded rod passes through the first baffle and is in threaded connection with the first baffle, the limiting rod passes through the first baffle and is in sliding connection with the first baffle, and the second baffle is fixedly connected with the second threaded rod and the end part of the limiting rod together;
and the locking assembly is arranged on the surface of the driving shaft or the driven shaft and used for limiting the rotation of the limiting disc.
Optionally, the locking subassembly includes the card pole, the driving shaft or the fixed surface of driven shaft is connected with the cover piece, the perforation second that is used for the card pole passes and sliding connection with it is seted up to the surface of cover piece, the tip of card pole with common fixedly connected with spring second between the cover piece, be used for being used for a plurality of draw-in grooves that the card pole stretches into are seted up on the surface of limiting disc.
Optionally, the driving part comprises a second motor, the upper surface of the supporting plate is fixedly connected with a mounting plate, the second motor is fixedly mounted on the surface of the mounting plate, and the output end of the second motor is fixedly connected with the end part of the driving shaft.
Optionally, the pressure regulating component comprises a hydraulic cylinder, the hydraulic cylinder is fixedly installed on the upper surface of the vertical plate, and a pressing plate is fixedly connected to a driving part of the hydraulic cylinder.
Optionally, the number of the height adjusting parts is two and symmetrically distributed.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, after the rubber tracks are sleeved on the surfaces of the driving wheel and the driven wheel, the two rotating plates are driven to rotate through the vertical sliding of the sliding blocks, the two driven wheels are driven to be far away from or close to each other through the rotation of the two rotating plates, the sliding blocks are driven to slide along the sliding grooves through the rotation of the bidirectional threaded rods, and the supporting plates are driven to vertically move through the rotating plates, so that the heights of the driving wheels are adjusted, thereby tensioning the rubber tracks with different diameters, measuring the performance parameters of the tracks in different tensioning states through changing the tensioning state of the rubber tracks, and improving the universality and the testing efficiency of the testing device.
2. According to the invention, the abutting plate is driven to rotate through the rotation of the limiting disc, pressure is continuously caused on the abutting block through the rotation of the abutting plate, when the abutting plate rotates in the anticlockwise direction, the abutting block and the baffle are driven to move in the direction away from the limiting disc, so that the abutting block is matched with the thickness of the rubber track, the second threaded rod is rotated, the baffle is driven to move in the direction of the rubber track in a translational manner until the second baffle abuts against two sides of the rubber track, the contact with the conveying belt is not blocked, the rubber track is prevented from shaking left and right in the driving test process, and the accuracy of test data is improved.
3. According to the invention, the hydraulic cylinder is started to drive the pressing plate to move towards the direction of the moving plate until the pressing plate presses the surface of the moving plate, so that pressure is caused to the pressing plate, and downward pressure is applied to the rubber crawler through the moving plate, so that the weight of the whole machine is simulated, the test is more in line with the actual use condition, and the quality of the rubber crawler test is further improved.
Drawings
FIG. 1 is a flow chart of a test method of the present invention;
FIG. 2 is an isometric view of the overall structure of the present invention;
FIG. 3 is an enlarged view of the structure of FIG. 2A in accordance with the present invention;
FIG. 4 is an enlarged view of the structure of FIG. 2B in accordance with the present invention;
FIG. 5 is a cross-sectional view of the overall structure of the present invention;
fig. 6 is a cross-sectional view of the turntable structure of the present invention.
In the figure: 1. a base; 2. a vertical plate; 201. the method comprises the steps of carrying out a first treatment on the surface of the 3. A conveyor belt; 4. an electric vortex dynamometer; 5. a moving plate; 6. a driven shaft; 7. driven wheel; 8. a bottom plate; 801. a second chute; 9. a two-way threaded rod; 10. a first motor; 11. a slide block; 12. a rotating plate I; 13. a support plate; 14. a mounting plate; 15. a second motor; 16. a driving shaft; 17. a driving wheel; 18. a hydraulic cylinder; 19. a pressing plate; 20. a first threaded rod; 21. a slide plate; 22. a second rotating plate; 23. a turntable; 231. a cavity; 24. a limiting disc; 241. a clamping groove; 25. a clamping rod; 26. a second spring; 27. sleeving blocks; 28. an abutting plate; 29. an abutment block; 291. a first spring; 30. a first baffle; 31. a second threaded rod; 32. and a second baffle.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one:
referring to fig. 1 to 6, the present embodiment provides a technical solution: the universal rubber track driven static driving test method comprises the following steps:
step S1: selecting a rubber track, preparing the rubber track to be tested, measuring the specification of the rubber track, wherein the specification of the rubber track is generally determined by three key parameters of the width of a chain link, the thickness of a plate chain and the diameter of the plate chain;
step S2: the device is installed and is ready for testing, the device comprises a base 1 and an electric vortex power meter 4, two symmetrically distributed vertical plates 2 are fixedly connected to the surface of the base 1, one side of the base 1 is connected with a supporting plate 13 through a height adjusting component, the surface of the supporting plate 13 is connected with a driving shaft 16 through a driving component, the surface of the driving shaft 16 is fixedly connected with a driving wheel 17, the vertical plates 2 are connected with two driven wheels 7 through a sliding adjusting component, the two vertical plates 2 are provided with a conveying belt 3, the conveying belt 3 is connected with the electric vortex power meter 4, and the driving wheel 17 is positioned in the middle of the two driven wheels 7;
step S3: before testing, the rubber crawler belt is sleeved on the driving wheel 17 and the two driven wheels 7, the height of the driving wheel 17 and the distance between the two driven wheels 7 are adjusted according to the diameter of the rubber crawler belt, the rubber crawler belt is in a tensioning state, and the vertical plate 2 is provided with a pressure adjusting component for simulating resistance in the driving process;
step S4: the dynamic and static test, the driving part is started, the driving wheel 17 is driven to rotate through the set driving moment and speed, the resistive moment is applied to the conveying belt 3 through the electric vortex dynamometer 4, and then a running resistance is applied to the rubber track to simulate the resistance received in the actual running process, then the service life of a driving angle of the rubber track, the stability during engagement, the abrasion condition during engagement and the linear running performance of the rubber track are tested, after the completion, the resistive moment is set to be larger than the driving moment set by the driving part, the driving moment is gradually and slowly loaded to the set driving moment, and the stress deformation of the driving angle at a single position or different positions, the design of the driving angle and the engagement condition of the driving angle and the driven wheel 7 are observed and tested;
step S5: the stable test structure, the equal fixedly connected with carousel 23 of both sides on action wheel 17 and two follow driving wheel 7, through butt part sliding connection having baffle one 30 on the carousel 23, baffle one 30 surface is connected with baffle two 32 through threaded rod two 31 and gag lever post, before dynamic and static test, can adjust it according to the plate chain thickness and the chain link width of rubber track, make baffle two 32 butt in rubber track both sides, prevent that rubber track from rocking even coming off in the test process to can not influence the contact of rubber track and conveyer belt 3.
More specifically, in the present embodiment: after the rubber crawler is sleeved on the surfaces of the driving wheel 17 and the driven wheel 7, the height of the supporting plate 13 is adjusted through the height adjusting part, the supporting plate 13 moves to drive the driving part to move, the driving shaft 16 and the driving wheel 17 are driven to vertically move through the driving part, so that the height adjustment of the driving wheel 17 is realized, then the two driven wheels 7 are driven to move away from or close to each other through the sliding adjusting part, the rubber crawler with different diameters can be tensioned through the movement of the driving wheel 17 and the two driven wheels 7, the universality of the testing device is improved, the replacement time can be saved, the dynamic and static driving testing efficiency of the rubber crawler is improved, the abutting part can be started according to the thickness of the rubber crawler before the testing, the baffle I30 and the baffle II 32 are driven to vertically move through the abutting part, after the baffle II is moved to a proper height, the baffle II 32 is driven to horizontally move towards the rubber crawler through the rotating threaded rod II 31 until the baffle II 32 abuts against the rubber crawler, the rubber crawler can not be blocked from contacting with the conveying belt 3, the condition of shaking left and right in the driving testing process is prevented, the stability is ensured, and the accuracy of testing data is improved.
Embodiment two:
based on the above embodiments:
referring to fig. 2 and 5, the following disclosure is made on a sliding adjustment member in the first embodiment, the sliding adjustment member includes:
the surface of the base 1 is fixedly connected with a fixed plate, the first threaded rod 20 is fixedly connected to the surface of the fixed plate in a rotating way, the first threaded rod 20 is in threaded connection with a sliding plate 21, and the surface of the vertical plate 2 is provided with a sliding opening for the sliding plate 21 to extend into and be in sliding connection with;
the two movable plates 5, the upper surface of the vertical plate 2 is provided with a first chute 201 which is used for the movable plate 5 to extend into and be connected with the movable plate in a sliding way, the surfaces of the two movable plates 5 are fixedly connected with a driven shaft 6 in a rotating way, the driven wheel 7 is fixedly connected with the surface of the driven shaft 6, and a second rotary plate 22 is hinged between the sliding plate 21 and the two movable plates 5.
More specifically, in the present embodiment: through rotating threaded rod one 20, drive slide 21 at riser 2 surface vertical slip, through slider 11 vertical slip, drive two rotating plates two 22 and rotate, through two rotating plates two 22 rotation, drive two movable plates 5 and keep away from each other or be close to each other to tensioning rubber track, and make action wheel 17 remain the position of centering throughout, stability when improving the test.
Embodiment III:
based on the above embodiments:
referring to fig. 2 and 3, the following disclosure is made on the height adjusting component in the first embodiment, where the height adjusting component includes a bottom plate 8, two sliding grooves two 801 are provided on the surface of the bottom plate 8, sliding blocks 11 are slidably connected in the two sliding grooves two 801, a bidirectional threaded rod 9 is fixedly connected to the inner wall of the sliding groove two 801 in a rotating manner, a threaded hole three is provided on the surface of the sliding block 11, the bidirectional threaded rod 9 passes through the threaded hole three and is in threaded connection with the threaded hole three, a rotating plate one 12 is hinged between the surfaces of the two sliding blocks 11 and the bottom of the supporting plate 13, a motor one 10 is fixedly connected to the surface of the bottom plate 8, and the output end of the motor one 10 is fixedly connected with the end of the bidirectional threaded rod 9.
More specifically, in the present embodiment: through the first 10 of starter motor, drive the rotation of two-way threaded rod 9, rotate through two-way threaded rod 9, drive two sliders 11 and be close to or keep away from each other in spout two 801, be close to each other or keep away from each other in spout two 801 through two sliders 11, drive two rotating plates one 12 and rotate simultaneously, rotate through two rotating plates one, drive backup pad 13 vertical movement to realized adjusting the height of action wheel 17, make the effect of rubber track tensioning.
Embodiment four:
based on the above embodiments:
referring to fig. 2, 4 and 6, the following disclosure is made on an abutment member in the first embodiment, the abutment member includes:
the limiting plate 24 is fixedly connected to the surface of the driving shaft 16 or the driven shaft 6 in a rotating way, a cavity 231 is formed in the turntable 23, and an abutting plate 28 is fixedly connected to the surface of the limiting plate 24, which is positioned in the cavity 231;
the bottom of the first baffle plate 30 is fixedly connected with an abutting block 29, the surface of the turntable 23 is provided with a first through hole for the abutting block 29 to pass through and be in sliding connection with, the bottom of the abutting block 29 is in arc-shaped arrangement and is abutted with the abutting plate 28, and a first spring 291 is fixedly connected between the abutting block 29 and the inner wall of the turntable 23;
the second threaded rod 31 passes through the first baffle 30 and is in threaded connection with the first baffle, the limiting rod passes through the first baffle 30 and is in sliding connection with the first baffle, and the second baffle 32 is fixedly connected with the second threaded rod 31 and the end part of the limiting rod together;
and a locking assembly provided on a surface of the driving shaft 16 or the driven shaft 6 for restricting rotation of the limit disk 24.
More specifically, in the present embodiment: after the rubber track is tensioned, the limit of the limit disc 24 is released through the locking part, then the limit disc 24 is rotated to drive the abutting plate 28 to rotate, the abutting plate 28 is rotated to continuously cause pressure on the abutting block 29, as shown in fig. 6, when the abutting plate 28 rotates in the anticlockwise direction, the abutting block 29 is driven to move away from the limit disc 24, the first baffle 30 is driven to move away from the limit disc 24 through the abutting block 29, so that the first baffle 30 is matched with the thickness of the rubber track, the limit disc 24 is limited through the locking component after the first baffle 30 moves to a proper position, then the second baffle 32 is driven to move in a translational manner towards the rubber track through the rotating threaded rod 31 until the second baffle 32 abuts against two sides of the rubber track, contact with the conveying belt 3 is not blocked, left and right shaking of the rubber track in the driving test process is prevented, and the accuracy of test data is improved.
Fifth embodiment:
based on the above embodiments:
referring to fig. 4, a locking assembly in a fourth embodiment is disclosed below, the locking assembly includes a clamping rod 25, a sleeve block 27 fixedly connected to a surface of a driving shaft 16 or a driven shaft 6, a second through hole for the clamping rod 25 to pass through and slidingly connect with the sleeve block 27 is formed on the surface of the sleeve block 27, a second spring 26 is fixedly connected between an end of the clamping rod 25 and the sleeve block 27, and a plurality of clamping grooves 241 for the clamping rod 25 to extend into are formed on the surface of a limiting disc 24.
More specifically, in the present embodiment: when the limiting disc 24 is required to rotate, the clamping rod 25 is pulled to be separated from the clamping groove 241, the second spring 26 is pulled to stretch, after the clamping rod 25 is separated from the clamping groove 241, the limiting disc 24 can be rotated to drive the first baffle plate 30 to move, after the first baffle plate 30 moves and the other clamping groove 241 corresponds to the clamping rod 25, the clamping rod 25 is loosened, and then the clamping rod 25 is driven to automatically extend into the other clamping groove 241 by the elastic restoring force of the second spring 26, so that the limiting disc 24 is limited continuously, the limiting disc 24 is prevented from rotating, and the abutting quality of the second baffle plate 32 is guaranteed.
Example six:
based on the above embodiments:
referring to fig. 2, the following disclosure is made on a driving component in the first embodiment, where the driving component includes a second motor 15, a mounting plate 14 is fixedly connected to an upper surface of a supporting plate 13, the second motor 15 is fixedly mounted on a surface of the mounting plate 14, an output end of the second motor 15 is fixedly connected to an end of a driving shaft 16, and torque rotation speed sensors are disposed on the second motor 15 and the eddy current dynamometer (4).
More specifically, in the present embodiment: the driving shaft 16 is driven to rotate according to the set driving moment and the set driving speed by the second starting motor 15, the driving shaft 16 rotates to drive the driving wheel 17 to rotate, so that the rubber crawler moves, the two driven wheels 7 are driven to rotate in the movement process of the rubber crawler, and the resistance moment is applied to the conveying belt 3 by the electric vortex power meter 4, so that the running resistance is applied to the rubber crawler, the service life of a driving angle of the rubber crawler, the stability during engagement, the abrasion condition during engagement and the linear running performance of the rubber crawler are tested, the resistance moment is set and added to the driving moment set by the driving part, the driving moment is gradually and slowly loaded to the set driving moment, and the stress deformation of the driving angle at a single position or different positions, the design of the driving angle and the engagement condition of the driving angle and the driven wheels 7 are observed, so that the dynamic and static driving test of the rubber crawler can be completed.
Embodiment seven:
based on the above embodiments:
referring to fig. 2 and 5, the following disclosure is made on the pressure adjusting component in the first embodiment, where the pressure adjusting component includes a hydraulic cylinder 18, the hydraulic cylinder 18 is fixedly installed on the upper surface of the riser 2, a driving portion of the hydraulic cylinder 18 is fixedly connected with a pressing plate 19, and a buffering structure may be disposed at the bottom of the pressing plate 19, and specifically, the buffering structure may be rubber or a spring.
More specifically, in the present embodiment: the hydraulic cylinder 18 is started to drive the pressing plate 19 to move towards the moving plate 5 until the pressing plate is pressed on the surface of the moving plate 5, so that pressure is caused to the pressing plate, and downward pressure is applied to the rubber crawler through the moving plate 5 to simulate the weight of the whole machine, so that the test is more in line with the actual use condition, and the quality of the rubber crawler test is further improved.
Example eight:
based on the above embodiments:
referring to fig. 2 and 3, the number of height adjusting parts is two and is symmetrically distributed.
More specifically, in the present embodiment: by arranging the two symmetrically distributed height adjusting parts, the stress distribution of the bottom plate 8 is more uniform, and the stability of the supporting plate 13 during height adjustment is improved.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The universal rubber track driven static driving test method is characterized by comprising the following steps of:
selecting a rubber crawler, preparing the rubber crawler to be tested, and measuring the specification of the rubber crawler;
the device is installed, a testing device is prepared, two driven wheels (7) are connected to the vertical plates (2) through sliding adjusting components, a conveying belt (3) is arranged on the two vertical plates (2), and the conveying belt (3) is connected with an eddy current dynamometer (4);
before testing, the rubber crawler belt is sleeved on the driving wheel (17) and the two driven wheels (7), and the height of the driving wheel (17) and the distance between the two driven wheels (7) are adjusted according to the diameter of the rubber crawler belt, so that the rubber crawler belt is in a tensioning state;
the dynamic and static test, start the driving part and drive the driving wheel (17) to rotate through the drive moment and speed set, and apply the resistive torque to the conveyor belt (3) through the electric vortex dynamometer (4), and then apply a running resistance to the rubber track, in order to simulate the resistance that is received in the actual running process, then test life-span, stability while engaging and wearing condition and straight-line running performance of the rubber track driving angle, set up resistive torque to greater than drive moment that the driving part presumes after finishing, load the drive moment to the drive moment presumed gradually slowly, observe single or different position driving angle stress deformation, evaluate and test driving angle design, and driving angle and engagement condition of the driven wheel (7);
and (3) stabilizing the test structure, and before dynamic and static test, adjusting the test structure according to the plate chain thickness and the chain link width of the rubber track to enable the second baffle plate (32) to be abutted against two sides of the rubber track.
2. The universal rubber track-driven static drive test method of claim 1, wherein the method comprises the steps of: the testing device comprises a base (1) and an eddy current dynamometer (4), wherein two symmetrically distributed vertical plates (2) are fixedly connected to the surface of the base (1), one side of the base (1) is connected with a supporting plate (13) through a height adjusting component, the surface of the supporting plate (13) is connected with a driving shaft (16) through a driving component, and a driving wheel (17) is fixedly connected to the surface of the driving shaft (16);
the vertical plate (2) is provided with a pressure adjusting component for simulating resistance in the driving process;
two sides on the driving wheel (17) and the two driven wheels (7) are fixedly connected with a rotary table (23), a first baffle plate (30) is connected to the rotary table (23) in a sliding mode through a butt joint part, and a second baffle plate (32) is connected to the surface of the first baffle plate (30) through a second threaded rod (31) and a limiting rod.
3. The universal rubber track-driven static drive test method of claim 2, wherein the method comprises the steps of: the slide adjusting part includes:
the first threaded rod (20) is fixedly connected with a fixed plate on the surface of the base (1), the first threaded rod (20) is fixedly connected with the surface of the fixed plate in a rotating mode, the first threaded rod (20) is in threaded connection with a sliding plate (21), and a sliding opening used for the sliding plate (21) to extend into and be in sliding connection with the sliding plate is formed in the surface of the vertical plate (2);
the two movable plates (5), the upper surface of the vertical plate (2) is provided with a first chute (201) which is used for the movable plates (5) to extend into and be connected with the movable plates in a sliding way, the surfaces of the two movable plates (5) are fixedly connected with a driven shaft (6) in a rotating way, the driven wheel (7) is fixedly connected with the surface of the driven shaft (6), and a second rotary plate (22) is hinged between the sliding plate (21) and the two movable plates (5);
the height adjusting component comprises a bottom plate (8), two sliding grooves II (801) are formed in the surface of the bottom plate (8), sliding blocks (11) are connected in the sliding grooves II (801) in a sliding manner, a bidirectional threaded rod (9) is fixedly connected with the inner wall of the sliding grooves II (801) in a rotating manner, a threaded hole III used for the bidirectional threaded rod (9) to penetrate through and be in threaded connection with is formed in the surface of the sliding blocks (11), a rotating plate I (12) is hinged between the surfaces of the two sliding blocks (11) and the bottom of the supporting plate (13), a motor I (10) is fixedly connected to the surface of the bottom plate (8), and the output end of the motor I (10) is fixedly connected with the end part of the bidirectional threaded rod (9);
the abutment member includes:
the limiting disc (24), the fixed shaft of the limiting disc (24) is connected to the surface of the driving shaft (16) or the driven shaft (6) in a rotating way, a cavity (231) is formed in the rotary disc (23), and an abutting plate (28) is fixedly connected to the surface of the limiting disc (24) located in the cavity (231);
the bottom of the first baffle plate (30) is fixedly connected with an abutting block (29), a first through hole for the abutting block (29) to pass through and be in sliding connection with is formed in the surface of the rotary table (23), the bottom of the abutting block (29) is in arc-shaped arrangement and abuts against the abutting plate (28), and a first spring (291) is fixedly connected between the abutting block (29) and the inner wall of the rotary table (23);
the second threaded rod (31) passes through the first baffle (30) and is in threaded connection with the first baffle, the limiting rod passes through the first baffle (30) and is in sliding connection with the first baffle, and the second baffle (32) is fixedly connected with the second threaded rod (31) and the end part of the limiting rod together;
and the locking assembly is arranged on the surface of the driving shaft (16) or the driven shaft (6) and used for limiting the rotation of the limiting disc (24).
4. The universal rubber track-driven static drive test method of claim 3, wherein the method comprises the steps of: the locking assembly comprises a clamping rod (25), a sleeve block (27) is fixedly connected to the surface of the driving shaft (16) or the surface of the driven shaft (6), and a second through hole for the clamping rod (25) to penetrate through and be connected with the clamping rod in a sliding mode is formed in the surface of the sleeve block (27).
5. The universal rubber track-driven static drive test method as defined in claim 4, wherein: the end part of the clamping rod (25) and the sleeve block (27) are fixedly connected with a second spring (26) together, and a plurality of clamping grooves (241) used for the clamping rod (25) to extend into are formed in the surface of the limiting disc (24).
6. The universal rubber track-driven static drive test method as defined in claim 5, wherein: the driving part comprises a motor II (15), and the upper surface of the supporting plate (13) is fixedly connected with a mounting plate (14).
7. The universal rubber track-driven static drive test method as defined in claim 6, wherein: the motor II (15) is fixedly arranged on the surface of the mounting plate (14), and the output end of the motor II (15) is fixedly connected with the end part of the driving shaft (16).
8. The universal rubber track-driven static drive test method of claim 2, wherein the method comprises the steps of: the pressure regulating component comprises a hydraulic cylinder (18), the hydraulic cylinder (18) is fixedly arranged on the upper surface of the vertical plate (2), and a pressing plate (19) is fixedly connected to a driving part of the hydraulic cylinder (18).
9. The universal rubber track-driven static drive test method of claim 2, wherein the method comprises the steps of: the number of the height adjusting parts is two and is symmetrically distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311384326.4A CN117405420A (en) | 2023-10-24 | 2023-10-24 | Universal rubber track driven static driving test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311384326.4A CN117405420A (en) | 2023-10-24 | 2023-10-24 | Universal rubber track driven static driving test method |
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| CN117405420A true CN117405420A (en) | 2024-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311384326.4A Pending CN117405420A (en) | 2023-10-24 | 2023-10-24 | Universal rubber track driven static driving test method |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03247738A (en) * | 1990-02-22 | 1991-11-05 | Kobe Steel Ltd | Aluminum alloy excellent in bendability |
| CN201945455U (en) * | 2011-01-25 | 2011-08-24 | 沈阳工业大学 | Real vehicle combined test platform measuring and controlling system for propulsion system of crawler equipment |
| CN102507239A (en) * | 2011-10-27 | 2012-06-20 | 长安大学 | Test bench for engineering machinery travelling mechanism |
| CN103900833A (en) * | 2014-03-21 | 2014-07-02 | 中国人民解放军63908部队 | Dynamic and static driving and testing device and method for general rubber track |
-
2023
- 2023-10-24 CN CN202311384326.4A patent/CN117405420A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03247738A (en) * | 1990-02-22 | 1991-11-05 | Kobe Steel Ltd | Aluminum alloy excellent in bendability |
| CN201945455U (en) * | 2011-01-25 | 2011-08-24 | 沈阳工业大学 | Real vehicle combined test platform measuring and controlling system for propulsion system of crawler equipment |
| CN102507239A (en) * | 2011-10-27 | 2012-06-20 | 长安大学 | Test bench for engineering machinery travelling mechanism |
| CN103900833A (en) * | 2014-03-21 | 2014-07-02 | 中国人民解放军63908部队 | Dynamic and static driving and testing device and method for general rubber track |
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