CN114755034B - Vehicle axle strength detection device - Google Patents
Vehicle axle strength detection device Download PDFInfo
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- CN114755034B CN114755034B CN202210670722.2A CN202210670722A CN114755034B CN 114755034 B CN114755034 B CN 114755034B CN 202210670722 A CN202210670722 A CN 202210670722A CN 114755034 B CN114755034 B CN 114755034B
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- 230000008261 resistance mechanism Effects 0.000 claims abstract description 11
- 238000012360 testing method Methods 0.000 claims description 21
- 238000009434 installation Methods 0.000 claims description 6
- 230000002035 prolonged effect Effects 0.000 claims description 5
- 230000013011 mating Effects 0.000 description 8
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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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- 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
- G01M17/0078—Shock-testing of vehicles
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Abstract
The invention relates to the technical field of axle detection equipment, in particular to a vehicle axle strength detection device, which comprises an axle, a base, an adjusting pressure rod, two groups of limiting clamping jaws, a first telescopic rod, a second telescopic rod, a transmission mechanism, an adjusting mechanism, a resistance mechanism and a first driving mechanism, wherein the first telescopic rod is connected with the base; adjusting the depression bar both ends and installing in base inner wall with sliding from top to bottom, spacing clamping jaw is installed respectively in first telescopic link and second telescopic link lower extreme, and two sets of spacing clamping jaws can move mutually in the opposite directions, and spacing clamping jaw moves mutually in the opposite directions in order to drive mechanism, and drive mechanism is used for driving adjustment mechanism. The detection device disclosed by the invention is matched for different types of axles, automatic adjustment is carried out according to the axle diameter of the position to be detected of the axle, a hierarchical driving wheel is further selected, the full-load state is simulated through the first hydraulic cylinder, the larger the axle diameter of the position to be detected is, the larger the simulated load of the rotation of the adjusting pressure rod is, the larger the offset load force correspondingly applied by the second hydraulic cylinder is, and the intermittent impact load is correspondingly increased.
Description
Technical Field
The invention relates to the technical field of axle detection equipment, in particular to a vehicle axle strength detection device.
Background
The strength test of the axle is an important link for verifying the safety of the axle, the stress condition of the axle under the condition of rated load is firstly considered in the stress test of the axle, and the strength quality detection of the axle in the prior art is to carry out static torsion detection on the axle and vertical distortion rigidity detection of the axle housing.
In practical situations, however, the axle does not always bear vertical pressure, and in case of uneven road surface, climbing or uneven loading, the axle can bear certain unbalance loading force. And the axle can bear a great impact load when there is the hole in the road surface for the data that transmission detection method detected can deviate from the produced stress state when whole car actually traveles, and traditional detection device's detection function is single, can not test the influence that probably brings the axle under the different environment, makes detection effect have the limitation.
Disclosure of Invention
The invention provides a vehicle axle strength detection device, which aims to solve the problems that the existing traditional detection device has a single detection function, cannot test possible influences on an axle under different environments and has limitation on the detection effect.
The invention relates to a vehicle axle strength detection device, which adopts the following technical scheme: a vehicle axle strength detection device comprises an axle, a base, an adjusting pressure rod, two groups of limiting clamping jaws, a first telescopic rod, a second telescopic rod, a transmission mechanism, an adjusting mechanism, a resistance mechanism and a first driving mechanism; two ends of the adjusting pressure rod are arranged on the inner wall of the base in a vertically sliding manner, and the middle position of the adjusting pressure rod is rotatably connected with the upper end of the base; the upper ends of the first telescopic rod and the second telescopic rod are rotatably arranged on the adjusting pressure rod and are symmetrically arranged; the limiting clamping jaws are respectively arranged at the lower ends of the first telescopic rod and the second telescopic rod, and the first telescopic pressure rod and the second telescopic pressure rod can only move up and down; the two groups of limiting clamping jaws can move back to back, the limiting clamping jaws move back to drive the transmission mechanism, the transmission mechanism is used for driving the adjusting mechanism, and the level driving wheel is rotatably arranged on the adjusting pressure rod; the adjusting mechanism can drive the first driving rod to move on the level driving wheel so as to select the axle to be tested; the first driving mechanism is used for driving the first driving rod to move up and down so as to be meshed with the level driving wheel when the first driving rod moves downwards, so that the adjusting pressure rod is inclined to drive the first telescopic rod to move downwards; when the first driving rod moves upwards, the first driving rod is meshed with the level driving wheel, so that the adjusting pressure rod is inclined to drive the second telescopic rod to move downwards; the resistance mechanism is configured to provide intermittent resistance to the first and second telescoping rods as they move down.
Furthermore, the resistance mechanism comprises a first adjusting rod, a second adjusting rod, a first clamping tooth, a first matching tooth, a second clamping tooth and a second matching tooth; the right-hand member that is located the first loop bar of left first telescopic link is provided with first latch, first loop bar lower extreme is provided with and is used for the first cooperation tooth with first latch complex, initial state has between first latch and the first cooperation tooth and removes the interval, first regulation pole links to each other through the third elastic component with the second regulation pole, first regulation pole and second regulation pole all suit in the second telescopic link, the left end that the second was adjusted on first regulation pole position on right side is provided with the second latch, first regulation pole lower extreme is provided with and is used for the second cooperation tooth with second latch complex, initial state second latch has between the second cooperation tooth and removes the interval.
Furthermore, concave teeth and convex teeth are arranged between the first clamping teeth and the first matching teeth, and the tooth surfaces of the concave teeth are provided with plane teeth with prolonged meshing time, so that the difficulty of meshing between the first clamping teeth and the first matching teeth is increased; the second latch is identical to the first latch in structure, and the second matching latch is identical to the first matching latch in structure.
Further, the transmission mechanism comprises a first transmission gear, a first adjusting cone pulley, a second adjusting cone pulley, a third adjusting cone pulley, a fourth adjusting cone pulley and a fifth adjusting cone pulley; the two groups of limiting clamping jaws are meshed with the first transmission gear, so that when the two groups of limiting clamping jaws are installed at a to-be-detected position of the axle, the two groups of limiting clamping jaws move oppositely, the first transmission gear on the left side is rotatably installed on the first telescopic rod, and the first transmission gear on the right side and the second telescopic rod are coaxially arranged; the first adjusting cone pulley is arranged at the upper end of the second telescopic rod, the second adjusting cone pulley is meshed with the first adjusting cone pulley, the third adjusting cone pulley is meshed with the second adjusting cone pulley, the other end of the third adjusting cone pulley is coaxially provided with a fifth adjusting cone pulley, and the fourth adjusting cone pulley is meshed with the fifth adjusting cone pulley.
Furthermore, the adjusting mechanism comprises a moving piece, a telescopic connecting rod and a limiting block; the moving member and the fifth adjusting cone pulley are in threaded transmission, the telescopic connecting rod is fixedly connected with the moving member, the upper end of the telescopic connecting rod is connected with a limiting block through a first elastic member, the limiting block is slidably installed in an installation cavity formed in the base, friction resistance is formed between the limiting block and the installation cavity, and the first driving rod is slidably installed in the limiting block.
Furthermore, the layer driving wheels comprise rough turning driving wheels and fine turning driving wheels, the diameter of the rough turning driving wheels is smaller than that of the fine turning driving wheels, the first driving rods are arranged to be racks, the layer driving wheels are arranged to be gears, and the lower ends of the first driving rods are meshed with the fine turning driving wheels in an initial state.
The axle bearing load testing device further comprises a second driving mechanism, wherein the second driving mechanism is a first hydraulic cylinder, the first hydraulic cylinder is used for testing the rated load capacity of the axle bearing, and the first driving mechanism is a second hydraulic cylinder.
The beneficial effects of the invention are: the vehicle axle strength detection device is used for matching axles of different models, automatic adjustment is carried out according to the axle diameter of a to-be-detected position of the axle, a corresponding level driving wheel is selected, and a full-load state test is simulated through the first hydraulic cylinder. The vehicle axle strength detection device can meet various detection requirements, can realize the test of full load, unbalance load and impact load, and has good detection effect and strong practicability by simulating the influence of different environments on the axle.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of a vehicle axle strength detection device according to the present invention;
FIG. 2 is a schematic side view of an embodiment of a vehicle axle strength detection apparatus of the present invention;
FIG. 3 is a schematic cross-sectional view taken at A-A of FIG. 2;
FIG. 4 is an enlarged view of the point A in FIG. 3;
FIG. 5 is a schematic diagram of a transmission structure of an embodiment of a vehicle axle strength detection device of the present invention;
FIG. 6 is a schematic view of a portion of an adjustment mechanism of an embodiment of a vehicle axle strength detection apparatus of the present invention;
FIG. 7 is a schematic view of the mounting of the primary drive rod of an embodiment of a vehicle axle strength detection apparatus of the present invention;
FIG. 8 is a schematic structural view of a hierarchical driving wheel of an embodiment of a vehicle axle strength detection apparatus of the present invention;
FIG. 9 is a left side test condition schematic illustration of an embodiment of a vehicle axle strength detection apparatus of the present invention;
FIG. 10 is a schematic view of a right side test condition of an embodiment of a vehicle axle strength detection apparatus of the present invention.
In the figure: 100. a drive mechanism; 110. a first hydraulic cylinder; 120. a second hydraulic cylinder; 200. a base; 310. an adjustment mechanism; 311. a support strut; 312. a fourth adjusting cone pulley; 313. a tier drive wheel; 314. a fifth adjusting cone pulley; 315. a moving member; 316. a telescopic connecting rod; 321. a first drive lever; 322. a limiting block; 323. a tension spring; 330. adjusting the pressure lever; 410. a transmission mechanism; 411. a first adjustment cone pulley; 412. a second adjustment cone pulley; 413. a third adjusting cone pulley; 420. a resistance mechanism; 421. a first adjusting lever; 422. a second telescopic rod; 423. a second spring; 424. a second adjusting lever; 510. an axle; 521. a limiting clamping jaw; 522. a limiting rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 to 10 show an embodiment of a vehicle axle strength detection device of the invention.
A vehicle axle strength detection device comprises an axle 510, a base 200, an adjusting pressure rod 330, two groups of limiting clamping jaws 521, a first telescopic rod, a second telescopic rod 422, a transmission mechanism 410, an adjusting mechanism 310, a resistance mechanism 420 and a driving mechanism 100. Two ends of the adjusting pressure rod 330 can be installed on the inner wall of the base 200 in a vertically sliding manner, and the middle position of the adjusting pressure rod 330 is rotatably connected with the upper end of the base 200; the upper ends of the first telescopic rod and the second telescopic rod 422 are rotatably arranged on the adjusting pressure rod 330 and are symmetrically arranged; the first and second telescopic rods 422 are limited by the limiting rod 522, so that the first and second telescopic rods 422 can only move in the vertical direction. The limiting clamping jaw 521 is respectively arranged at the lower ends of the first telescopic rod and the second telescopic rod 422, and the first telescopic pressure rod and the second telescopic pressure rod can only move up and down; the two groups of limiting clamping jaws 521 can move oppositely to clamp the position to be detected of the axle 510, the limiting clamping jaws 521 move oppositely to drive the transmission mechanism 410, the transmission mechanism 410 is used for driving the adjusting mechanism 310, and the level driving wheel 313 is rotatably arranged on the adjusting compression rod 330; and is located at the rotatable connection position of the adjusting pressure rod 330 and the base 200, the adjusting mechanism 310 can drive the first driving rod 321 to move on the level driving wheel 313, so as to select the axle 510 to be tested; the driving mechanism 100 includes a first driving mechanism and a second driving mechanism, the first driving mechanism is used for driving the first driving rod 321 to move up and down so as to be engaged with the level driving wheel 313 when the first driving rod 321 moves down, so that the adjusting pressure rod 330 tilts and further drives the first telescopic rod to move down; when the first driving rod 321 moves upwards, the first driving rod is engaged with the level driving wheel 313, so that the adjusting pressure rod 330 tilts to drive the second telescopic rod 422 to move downwards; the resistance mechanism 420 is configured to provide intermittent resistance to the first and second telescoping bars 422 as they move down. The second driving mechanism is the first hydraulic cylinder 110, the first hydraulic cylinder 110 is used for testing the rated load capacity of the axle 510 bearing, the lower end of the first hydraulic cylinder 110 is provided with a supporting pressure rod 311, the adjusting pressure rod 330 is rotatably mounted on the supporting pressure rod 311, and the first driving mechanism is the second hydraulic cylinder 120.
In another embodiment, the resistance mechanism 420 includes a first adjustment lever 421, a second adjustment lever 424, a first latch, a first mating tooth, a second latch, and a second mating tooth; the right-hand member that is located the first loop bar of left first telescopic link is provided with first latch, first loop bar lower extreme is provided with and is used for the first cooperation tooth with first latch complex, initial state first latch and first cooperation have between the tooth and remove the interval, first regulation pole 421 and second regulation pole 424 link to each other through the third elastic component, first regulation pole 421 and second regulation pole 424 all suit in second telescopic link 422, the left end that first regulation pole 421 is located the second regulation pole 424 on right side is provided with the second latch, first regulation pole 421 lower extreme is provided with and is used for the second cooperation tooth with second latch complex, initial state second latch and second cooperation have between the tooth and remove the interval. Concave teeth and convex teeth are arranged between the first clamping teeth and the first matching teeth, and the tooth surfaces of the concave teeth are provided with plane teeth with prolonged meshing time, so that the difficulty that the first clamping teeth are meshed with the first matching teeth is increased; the second latch is identical to the first latch in structure, and the second matching latch is identical to the first matching latch in structure. Namely, the concave teeth and the convex teeth are arranged between the second clamping teeth and the second matching teeth, and the tooth surface of the concave teeth is provided with the plane teeth with prolonged meshing time, so that the difficulty of meshing between the second clamping teeth and the second matching teeth is increased. When the first driving rod 321 drives the adjusting pressure rod 330 to tilt left, a component force to the right is generated between the adjusting pressure rod 330 and the first telescopic rod, so that the first latch and the first mating tooth are engaged, and therefore, when the second hydraulic cylinder 120 pressurizes downwards, and the offset load of the left axle 510 is tested, the first latch is engaged with the first mating tooth, and the impact load is tested intermittently.
In another embodiment, transmission mechanism 410 includes a first transmission gear, a first adjustment cone pulley 411, a second adjustment cone pulley 412, a third adjustment cone pulley 413, a fourth adjustment cone pulley 312, and a fifth adjustment cone pulley 314; the two groups of limiting clamping jaws 521 are meshed with the first transmission gear, so that when the two groups of limiting clamping jaws 521 are installed at the position to be detected of the axle 510, the two groups of limiting clamping jaws 521 move back and forth, the first transmission gear on the left side is rotatably installed on the first telescopic rod, and the first transmission gear on the right side and the second telescopic rod 422 are coaxially arranged; first regulation cone pulley 411 sets up in second telescopic link 422 upper end, and second regulation cone pulley 412 meshes with first regulation cone pulley 411, and third regulation cone pulley 413 meshes with second regulation cone pulley 412, and the third regulation cone pulley 413 other end is coaxial to be provided with fifth regulation cone pulley 314, and fourth regulation cone pulley 312 meshes with fifth regulation cone pulley 314. The adjusting mechanism 310 comprises a moving member 315, a telescopic connecting rod 316 and a limiting block 322; the moving member 315 is in threaded transmission with the fifth adjusting cone pulley 314, the telescopic connecting rod 316 is fixedly connected with the moving member 315, the upper end of the telescopic connecting rod 316 is connected with a limiting block 322 through a first elastic member, the limiting block 322 is slidably installed in an installation cavity formed in the base 200, friction resistance is provided between the limiting block 322 and the installation cavity, and the first driving rod 321 is slidably installed in the limiting block 322.
In another embodiment, the level driving wheels 313 include a rough turning driving wheel having a smaller diameter than the fine turning driving wheel, the first driving rod 321 is provided as a rack, the level driving wheels 313 are provided as gears, and the lower end of the first driving rod 321 is engaged with the fine turning driving wheel in an initial state. If the axle 510 with the smaller diameter is put down, the test can be directly carried out, and if the axle 510 with the larger diameter is tested, the two groups of limiting clamping jaws 521 move back to separate according to the diameter change of the fixed part of the axle 510, so that the first transmission gear is driven to rotate.
The working process is as follows: during operation, the axle 510 is placed at a designated position, then an operator fixes the axle 510 on the detection device through the limiting clamping jaw 521, and the manual operation can adjust the position to be detected so as to prevent the position deviation. The detection device of the present application can detect two types of axles 510. As shown in FIG. 3, two ends of the adjusting pressure rod 330 are slidably mounted on the inner wall of the base 200, and the middle position of the adjusting pressure rod 330 is rotatably connected to the upper end of the base 200.
As shown in fig. 9, two limiting clamping jaws 521 are provided, two sets of limiting clamping jaws 521 are engaged with the first transmission gear, the limiting clamping jaws 521 are set to be matched with one axle 510 with a smaller diameter in an initial state, if the axle 510 with the smaller diameter is put down, the test can be directly performed, and if the axle 510 with the larger diameter is tested, the limiting clamping jaws 521 move back to separate the two sets of limiting clamping jaws 521 according to the diameter change of the fixing position of the axle 510, so that the first transmission gear is driven to rotate.
As shown in fig. 3, the first transmission gear on the left side is rotatably mounted to the first telescopic rod, the first telescopic rod includes a first sleeve rod and a first slide rod, and the first slide rod can move up and down but is non-rotatably mounted to the first sleeve rod. The first transmission gear on the right side and the second telescopic rod 422 are coaxially arranged, the second telescopic rod 422 comprises a second sliding rod and a second loop bar, and the second sliding rod can move up and down and is installed on the second loop bar in a non-rotatable mode. Therefore, the rotation of the first transmission gear on the right side will drive the second telescopic rod 422 coaxially arranged with the first transmission gear to synchronously rotate.
As shown in fig. 5-7, the upper end of the second telescopic rod 422 is provided with a first adjusting cone wheel 411, the first adjusting cone wheel 411 rotates with the second telescopic rod 422, and the second telescopic rod 422 is arranged along the vertical direction. The second adjustment cone pulley 412 is engaged with the first adjustment cone pulley 411, so that the second adjustment cone pulley 412 can rotate along with the first adjustment cone pulley 411, the second adjustment cone pulley 412 is vertically arranged with the first adjustment cone pulley 411, the third adjustment cone pulley 413 is engaged with the second adjustment cone pulley 412, the third adjustment cone pulley 413 rotates along with the second adjustment cone pulley 412, the third adjustment cone pulley 413 is vertical with the second adjustment cone pulley 412, the third adjustment cone pulley 413 is horizontally arranged, the other end of the third adjustment cone pulley 413 is coaxially provided with the fifth adjustment cone pulley 314, the fifth adjustment cone pulley 314 rotates to drive the fourth adjustment cone pulley 312 in engagement transmission with the fifth adjustment cone pulley, the moving member 315 is in threaded transmission with the fourth adjustment cone pulley 312, so that when the fourth adjustment cone pulley 312 rotates, the moving member 315 moves on the fourth adjustment cone pulley 312 to drive the telescopic connecting rod 316 connected with the moving member 315, the upper end of the telescopic connecting rod 316 is connected with the limit block 322 through the first elastic member, the limiting block 322 is slidably mounted in a mounting cavity formed in the base 200, and a frictional resistance is provided between the limiting block and the mounting cavity, the telescopic link 316 moves to pull a first elastic member, which is a tension spring 323, so as to overcome the frictional resistance between the limiting block 322 and the adjusting pressure rod 330, and drive the limiting block 322 to move. The stopper 322 has a first driving rod 321 slidably mounted therein.
As shown in fig. 8, the level driving wheel 313 is rotatably mounted on the adjusting pressure lever 330 and located at a rotatable connection position of the adjusting pressure lever 330 and the base 200, the level driving wheel 313 includes a rough turning driving wheel and a fine turning driving wheel, the diameter of the rough turning driving wheel is smaller than that of the fine turning driving wheel, the first driving rod 321 is set as a rack, the level driving wheel 313 is set as a gear, the lower end of the first driving rod 321 is engaged with the fine turning driving wheel in an initial state, the diameter of the fine turning driving wheel is large, when the first driving rod 321 moves downward, the fine turning driving wheel is driven to rotate so as to rotate and tilt the adjusting pressure lever 330, when the first driving rod 321 moves downward, the adjusting pressure lever 330 tilts to the left, and when the first driving rod 321 moves upward, the adjusting pressure lever 330 tilts to the right.
When the limiting block 322 moves, the first driving rod 321 installed on the limiting block 322 is driven to move, the limiting block 322 is connected with the first driving rod 321 through a second elastic member, and the second elastic member is a first spring. The primary drive rod 321 will move into engagement with the rough wheel drive wheels and complete the selection of the axle 510.
After the selection of the axle 510 is completed, the test of the axle 510 is started, the first hydraulic cylinder 110 is used for testing the rated load weight of the bearing of the axle 510, the first hydraulic cylinder 110 is started to be stopped at the position of the rated load, and the test of the rated load weight of the bearing of the axle 510 is completed. After the first hydraulic cylinder 110 is stopped, the second hydraulic cylinder 120 is started, the second hydraulic cylinder 120 moves downwards to drive the first driving rod 321 downwards, the first driving rod 321 is meshed with the rough turning driving wheel downwards to enable the adjusting pressure rod 330 to rotate and incline to the left, and as shown in fig. 9, the second hydraulic cylinder 120 is used for testing the unbalance loading force and the impact loading of the axle 510. The offset load on the left side of the axle 510 is increased by the increasing pressurization of the second hydraulic cylinder 120.
As shown in fig. 3 and 4, the right end of the first sleeve rod of the first telescopic rod positioned on the left side is provided with a first latch, the lower end of the first sleeve rod is provided with a first matching tooth matched with the first latch, and a moving distance is reserved between the first latch and the first matching tooth in the initial state, namely the first latch is not meshed with the first matching tooth.
When the first driving rod 321 drives the adjusting pressure rod 330 to tilt left, a component force to the right is generated between the adjusting pressure rod 330 and the first telescopic rod, so that the first latch and the first mating tooth are engaged, when the second hydraulic cylinder 120 pressurizes downward, and the offset load force is tested on the left axle 510, the first latch is engaged with the first mating tooth, the impact load is tested intermittently, the concave tooth and the convex tooth are arranged between the first latch and the first mating tooth, and the tooth surface of the concave tooth is provided with a planar tooth with prolonged engagement time. To increase the difficulty with which the first latch will engage with the first mating tooth.
The above is a test procedure for a larger diameter axle 510. The present application provides for the engagement of a larger diameter axle 510 with a smaller diameter tier drive wheel 313, i.e., a rough turning drive wheel; the axle 510 with a smaller diameter is matched with the level driving wheel 313 with a larger diameter, namely, the fine car driving wheel, so as to drive the adjusting pressure rod 330 to rotate at a larger angle when the first driving rod 321 is engaged with the driving wheels of different axles 510, the axle 510 with a larger diameter needs a larger offset load force, the first driving rod 321 can drive the coarse car driving wheel to rotate at a larger angle so as to increase the offset load force of pressing, and the component force of the impact load is increased along with the increase of the offset load force, so that the strength of the impact load is further increased.
As shown in fig. 10, after the test of the offset load force and the impact load on the left side of the axle 510 is completed, the second hydraulic cylinder 120 can drive the first driving rod 321 to move upwards, so that the adjusting pressure rod 330 deflects to the right, and the test of the offset load force and the impact load on the right side of the axle 510 is completed in the same manner.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. The utility model provides a vehicle axle intensity detection device which characterized in that: the device comprises an axle, a base, an adjusting pressure rod, two groups of limiting clamping jaws, a first telescopic rod, a second telescopic rod, a transmission mechanism, an adjusting mechanism, a resistance mechanism and a first driving mechanism;
two ends of the adjusting pressure rod can be arranged on the inner wall of the base in a vertically sliding manner, and the middle position of the adjusting pressure rod is rotatably connected with the upper end of the base; the upper ends of the first telescopic rod and the second telescopic rod are rotatably arranged on the adjusting pressure rod and are symmetrically arranged; the limiting clamping jaws are respectively arranged at the lower ends of the first telescopic rod and the second telescopic rod, and the first telescopic pressure rod and the second telescopic pressure rod can only move up and down; the two groups of limiting clamping jaws can move back to back, the limiting clamping jaws move back to drive the transmission mechanism, the transmission mechanism is used for driving the adjusting mechanism,
the level driving wheel is rotatably arranged on the adjusting pressure rod; the adjusting mechanism can drive the first driving rod to move on the level driving wheel so as to select the axle to be tested; the first driving mechanism is used for driving the first driving rod to move up and down so as to be meshed with the level driving wheel when the first driving rod moves downwards, so that the adjusting pressure rod is inclined to drive the first telescopic rod to move downwards; when the first driving rod moves upwards, the first driving rod is meshed with the level driving wheel, so that the adjusting pressure rod is inclined to drive the second telescopic rod to move downwards; the resistance mechanism is configured to provide intermittent resistance to the first and second telescoping rods as they move down.
2. The vehicle axle strength detection device of claim 1, wherein: the resistance mechanism comprises a first adjusting rod, a second adjusting rod, a first latch, a first matching tooth, a second latch and a second matching tooth; the right-hand member that is located the first loop bar of left first telescopic link is provided with first latch, first loop bar lower extreme is provided with and is used for the first cooperation tooth with first latch complex, initial state has between first latch and the first cooperation tooth and removes the interval, first regulation pole links to each other through the third elastic component with the second regulation pole, first regulation pole and second regulation pole all suit in the second telescopic link, the left end that the second was adjusted on first regulation pole position on right side is provided with the second latch, first regulation pole lower extreme is provided with and is used for the second cooperation tooth with second latch complex, initial state second latch has between the second cooperation tooth and removes the interval.
3. The vehicle axle strength detection device of claim 2, wherein: concave teeth and convex teeth are arranged between the first clamping teeth and the first matching teeth, and the tooth surfaces of the concave teeth are provided with plane teeth with prolonged meshing time so as to increase the difficulty that the first clamping teeth are meshed with the first matching teeth; the second latch is identical to the first latch in structure, and the second matching latch is identical to the first matching latch in structure.
4. The vehicle axle strength detection device of claim 1, wherein: the transmission mechanism comprises a first transmission gear, a first adjusting cone pulley, a second adjusting cone pulley, a third adjusting cone pulley, a fourth adjusting cone pulley and a fifth adjusting cone pulley;
the two groups of limiting clamping jaws are meshed with the first transmission gear, so that when the two groups of limiting clamping jaws are installed at a to-be-detected position of the axle, the two groups of limiting clamping jaws move oppositely, the first transmission gear on the left side is rotatably installed on the first telescopic rod, and the first transmission gear on the right side and the second telescopic rod are coaxially arranged; the first adjusting conical pulley is arranged at the upper end of the second telescopic rod, the second adjusting conical pulley is meshed with the first adjusting conical pulley, the third adjusting conical pulley is meshed with the second adjusting conical pulley, the other end of the third adjusting conical pulley is coaxially provided with a fifth adjusting conical pulley, and the fourth adjusting conical pulley is meshed with the fifth adjusting conical pulley.
5. The vehicle axle strength detection device of claim 4, wherein: the adjusting mechanism comprises a moving piece, a telescopic connecting rod and a limiting block; the moving member and the fifth adjusting cone pulley are in threaded transmission, the telescopic connecting rod is fixedly connected with the moving member, the upper end of the telescopic connecting rod is connected with a limiting block through a first elastic member, the limiting block is slidably installed in an installation cavity formed in the base, friction resistance is formed between the limiting block and the installation cavity, and the first driving rod is slidably installed in the limiting block.
6. The vehicle axle strength detection device of claim 1, wherein: the hierarchical driving wheel comprises a rough turning driving wheel and a fine turning driving wheel, the diameter of the rough turning driving wheel is smaller than that of the fine turning driving wheel, the first driving rod is arranged to be a rack, the hierarchical driving wheel is arranged to be a gear, and the lower end of the first driving rod in an initial state is meshed with the fine turning driving wheel.
7. The vehicle axle strength detection device of claim 1, wherein: the vehicle axle bearing load testing device is characterized by further comprising a second driving mechanism, wherein the second driving mechanism is a first hydraulic cylinder, the first hydraulic cylinder is used for testing the rated load capacity of the vehicle axle bearing, and the first driving mechanism is a second hydraulic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210670722.2A CN114755034B (en) | 2022-06-15 | 2022-06-15 | Vehicle axle strength detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210670722.2A CN114755034B (en) | 2022-06-15 | 2022-06-15 | Vehicle axle strength detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114755034A CN114755034A (en) | 2022-07-15 |
| CN114755034B true CN114755034B (en) | 2022-08-30 |
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Citations (7)
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|---|---|---|---|---|
| CN103134694A (en) * | 2013-02-28 | 2013-06-05 | 长城汽车股份有限公司 | Vehicle axle strength detection device |
| CN104139256A (en) * | 2014-07-18 | 2014-11-12 | 陈辉 | Line transforming and amplifying device for cutting or welding |
| WO2015009053A1 (en) * | 2013-07-17 | 2015-01-22 | Hong Sang-Oh | Apparatus for distributing biased load of vehicle |
| CN213985713U (en) * | 2020-11-05 | 2021-08-17 | 湖南中联重科车桥资阳有限公司 | Axle testing machine |
| CN113551996A (en) * | 2021-07-16 | 2021-10-26 | 湖北航特装备制造股份有限公司 | Low-pressure cast aluminum alloy auxiliary frame strength detection device and application method thereof |
| CN214584542U (en) * | 2021-04-18 | 2021-11-02 | 鲁晓康 | Adjustable intensity detection device for mechanical test of metal plate |
| CN114112432A (en) * | 2021-11-23 | 2022-03-01 | 徐州九阳机械制造有限公司 | Axle fatigue test bench |
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- 2022-06-15 CN CN202210670722.2A patent/CN114755034B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103134694A (en) * | 2013-02-28 | 2013-06-05 | 长城汽车股份有限公司 | Vehicle axle strength detection device |
| WO2015009053A1 (en) * | 2013-07-17 | 2015-01-22 | Hong Sang-Oh | Apparatus for distributing biased load of vehicle |
| CN104139256A (en) * | 2014-07-18 | 2014-11-12 | 陈辉 | Line transforming and amplifying device for cutting or welding |
| CN213985713U (en) * | 2020-11-05 | 2021-08-17 | 湖南中联重科车桥资阳有限公司 | Axle testing machine |
| CN214584542U (en) * | 2021-04-18 | 2021-11-02 | 鲁晓康 | Adjustable intensity detection device for mechanical test of metal plate |
| CN113551996A (en) * | 2021-07-16 | 2021-10-26 | 湖北航特装备制造股份有限公司 | Low-pressure cast aluminum alloy auxiliary frame strength detection device and application method thereof |
| CN114112432A (en) * | 2021-11-23 | 2022-03-01 | 徐州九阳机械制造有限公司 | Axle fatigue test bench |
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| CN114755034A (en) | 2022-07-15 |
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Denomination of invention: A vehicle axle strength detection device Granted publication date: 20220830 Pledgee: Shandong Liangshan Rural Commercial Bank Co.,Ltd. Chengnan sub branch Pledgor: Shandong Yahua Machinery Manufacturing Co.,Ltd. Registration number: Y2024980004548 |
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