CN117191260A - Axle load test platform - Google Patents
Axle load test platform Download PDFInfo
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- CN117191260A CN117191260A CN202311172833.1A CN202311172833A CN117191260A CN 117191260 A CN117191260 A CN 117191260A CN 202311172833 A CN202311172833 A CN 202311172833A CN 117191260 A CN117191260 A CN 117191260A
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- axle load
- bearing platform
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- 238000012360 testing method Methods 0.000 title claims abstract description 32
- 230000007246 mechanism Effects 0.000 claims abstract description 42
- 238000001514 detection method Methods 0.000 claims abstract description 9
- 238000005259 measurement Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
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Abstract
The invention belongs to the technical field of axle balance test, in particular to an axle load test platform which comprises a slope plate, a bearing platform, a distance measuring mechanism and a central control unit, wherein the slope plate is arranged on the bearing platform; the slope plate is provided with a guide mechanism, the guide mechanism comprises a screw rod, a guide sleeve, an adjusting ring, an outer guide plate and an inner guide plate, the screw threads of the screw rod, the guide sleeve and the adjusting ring in the two guide mechanisms are opposite in direction, and the inner ends of the two screw rods are fixedly connected; the bearing platform is provided with a plurality of grooves, two parallel guide posts and an adjusting plate are arranged in the grooves, pressure sensors are arranged on the surface of the adjusting plate, and the detection ends of the two pressure sensors positioned in the same adjusting plate are connected with a bearing plate together; the range finding mechanism is located the outside of recess, and range finding mechanism's quantity corresponds with the quantity of recess. The invention is applicable to axle load tests of vehicles with different widths.
Description
Technical Field
The invention belongs to the technical field of axle balance test, and particularly relates to an axle load test platform.
Background
The axle load refers to the weight borne by the axle, the small-sized automobile is divided into two groups of parameters of front load and rear load, the axle number of the truck is more, and the parameters are multiple groups. In order to prevent the assembly from being in place or parts from being lost, axle loads need to be tested before delivery so as to ensure the safety of the use process of the on-road.
The axle load test platform mainly comprises a bearing platform, a measuring instrument and a man-machine interaction terminal, wherein the measuring instrument is used for measuring the vertical load of each axle and displaying the vertical load through the man-machine interaction terminal, when the axle load test platform is used for testing, a vehicle is towed or driven to the upper side of the bearing platform, wheels are located above the measuring instrument, the measuring instrument is usually a pressure sensing module, when the sensing module receives pressure, the resistance value of a resistance strain gauge changes, so that a voltage signal proportional to the pressure can be output, and the axle load value can be calculated after processing. However, during the test, the parking position and posture of the vehicle need to be strictly controlled, and measurement errors are avoided, so that the inspector needs to visually observe and make adjustment, and the station is low in efficiency.
Disclosure of Invention
In order to solve the technical problems, the invention provides the axle load test platform which can guide the entering of a vehicle to be tested, ensure the entering posture of the vehicle, detect the position of the automobile tire and effectively improve the accuracy of a load test.
In order to achieve the above purpose, the invention provides an axle load test platform, which comprises a slope plate, a bearing platform, a ranging mechanism and a central control unit;
the two inclined plates are arranged at the front end and the rear end of the bearing platform, an assembly groove is formed in the inclined plate at the front end of the bearing platform, guide mechanisms are arranged in the assembly groove, each guide mechanism comprises two sets of guide screws, guide sleeves, adjusting rings, outer guide plates and inner guide plates, the guide sleeves are in threaded connection with the outer sides of the guide screws, the outer sides of the guide sleeves are provided with external threads, the adjusting rings are in threaded connection with the outer sides of the guide sleeves, one end of each outer guide plate is in rotary connection with the adjusting rings through an ear plate, one end of each inner guide plate is in rotary connection with the inner ends of the guide sleeves through an ear plate, and the thread directions of the guide screws, the guide sleeves and the adjusting rings in the two sets of guide mechanisms are opposite;
the bearing platform is provided with a plurality of grooves, two parallel guide posts are arranged in the grooves, the guide posts extend along the left-right direction of the bearing platform, two guide posts positioned in the same groove are connected with an adjusting plate in a sliding mode, the surface of the adjusting plate is provided with a pressure sensor, and the detection ends of the two pressure sensors positioned in the same adjusting plate are connected with a bearing plate; an adjusting screw rod penetrating through the groove is rotationally connected to the bearing platform, the adjusting screw rod is parallel to the guide rod, and a screw hole or a screw sleeve in threaded fit with the adjusting screw rod is arranged on the adjusting plate;
the distance measuring mechanisms are located on the outer sides of the grooves, and the number of the distance measuring mechanisms corresponds to that of the grooves.
Further, the upper surface of the bearing plate is provided with a limit rib, and the limit rib extends along the front-back direction of the bearing platform.
Further, the adjusting screw rod penetrates through the two grooves in the left-right direction at the same time, the adjusting screw rod is provided with a forward threaded part and a reverse threaded part, and the adjusting plates in the two grooves in the left-right direction are respectively provided with screw holes or screw sleeves in transmission fit with the forward threaded part and the reverse threaded part.
Further, range finding mechanism includes backup pad and adapting unit, and the backup pad is located the outside of recess, and the lower extreme and the cushion cap fixed connection of backup pad, adapting unit in every set of range finding mechanism be two sets of sliding connection in the backup pad, and the inner of two sets of adapting unit that are located same backup pad is equipped with a linkage board jointly, and both ends are provided with the swash plate of outside slope respectively around the linkage board.
Further, the connecting part comprises a sliding column, a rotating frame, a sliding block and a sliding groove plate, wherein the sliding column is in sliding connection with the supporting plate, the rotating frame is fixedly connected at the inner end of the sliding column, the sliding block is rotationally connected at the inner end of the rotating frame, the sliding block is in sliding connection with the outer side of the sliding groove plate, and the sliding groove plate is fixed at the outer side of the linkage plate.
Furthermore, the outside cover of traveller is equipped with reset spring, and spring both ends offset with backup pad inboard and rotating turret outside respectively.
Further, range finding mechanism still includes limiting plate and range finding sensor, and the limiting plate is fixed in the outer end of traveller, and range finding sensor sets up in the backup pad outside for measure the interval between limiting plate and the backup pad, and with measurement data send to well accuse unit.
Further, the central control unit comprises a display module and a control module, the signal input ends of the pressure sensor and the ranging sensor are connected with the signal receiving end of the control module, and the control module displays the detection data through the display module.
Compared with the prior art, the invention has the beneficial effects that:
1. when a vehicle enters the axle load test platform, the axle load test platform disclosed by the invention mostly adopts traction type, a guide mechanism is arranged on a slope plate positioned at the front end of the bearing platform, an outer guide plate and an inner guide plate in the guide mechanism provide flaring type guide space for the vehicle entering the bearing platform, so that the vehicle in a traction state can be assisted to carry out posture correction, and the time cost brought by human intervention is saved.
Because of the difference of the widths of the vehicles caused by different vehicle types, how to adapt to the difference also belongs to the important point of consideration in the product development stage.
2. According to the axle load test platform disclosed by the invention, the regulating plate is arranged in the groove of the bearing platform in a sliding manner through the guide post, the regulating screw is rotated to move the position of the regulating plate, and the automobile tire is further positioned in the detection area of the pressure sensor on the regulating plate according to different test objects, so that the accuracy of test data is ensured.
3. The axle load test platform disclosed by the invention still has the phenomenon of deflection (exceeding a preset error) of the attitude position in the entering process of a vehicle to be tested, and the distance measuring mechanism can be used for detecting the deflection, and specifically comprises the following steps: after the vehicle posture deviates, the linkage plate is extruded outwards in the process of entering the vehicle, the connecting part is linked with the linkage plate, the distance measuring sensor is used for detecting the distance between the limiting plate at the outer end of the connecting part and the supporting plate, and displaying or early warning is carried out through the display module, when the vehicle posture deviates, the on-site personnel is prompted to correct the deviation after the vehicle posture deviates to reach the warning value, and the manual measurement workload of the personnel is reduced.
Drawings
FIG. 1 is a schematic diagram of an axle load testing platform in an embodiment of the invention;
FIG. 2 is an exploded view of an axle load testing platform according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of a guide mechanism in an embodiment of the invention;
FIG. 4 is a partial cross-sectional view of a platform according to an embodiment of the present invention;
fig. 5 is an enlarged view of a reference numeral a in fig. 2;
fig. 6 is a cross-sectional view of a ranging mechanism in an embodiment of the invention.
In the figure: 10-slope plate, 101-connecting screw, 102-covering piece, 11-assembly groove, 12-screw rod, 13-guide sleeve, 14-adjusting ring, 15-outer guide plate, 16-inner guide plate, 20-bearing platform, 21-groove, 22-guide post, 23-adjusting plate, 24-pressure sensor, 25-bearing plate, 26-limit rib, 27-adjusting screw, 31-supporting plate, 32-limit plate, 33-ranging sensor, 34-linkage plate, 35-sloping plate, 36-slide post, 361-reset spring, 37-rotating frame, 38-slide block, 39-slide groove plate, 41-display module, 42-control module.
Description of the embodiments
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1, the embodiment discloses an axle load testing platform, which comprises a slope plate 10, a bearing platform 20, a ranging mechanism and a central control unit.
Referring to fig. 2 and 3, the two ramp plates 10 are disposed at the front and rear ends of the bearing platform 20, the two ramp plates 10 are fixedly connected with the bearing platform 20 into a whole through a connecting screw 101, a cover 102 (cover plate) is disposed at the outer end of the screw, an assembly groove 11 is disposed in the ramp plate 10 disposed at the front end of the bearing platform 20, the assembly groove 11 extends along the left and right directions of the bearing platform, guide mechanisms are disposed in the assembly groove 11, each guide mechanism comprises two sets of guide screw 12, guide sleeves 13, an adjusting ring 14, an outer guide plate 15 and an inner guide plate 16, two ends of the guide screw 12 are rotatably connected with the bearing platform, the guide sleeves 13 are in threaded connection with the outer side of the guide screw 12, external threads are disposed at the outer side of the guide sleeve 13, one end of the outer guide plate 15 is rotatably connected with the adjusting ring 14 through an ear plate, one end of the inner guide plate 16 is rotatably connected with the inner end of the guide sleeve 13 through an ear plate, the screw 12, the guide sleeves 13 and the inner ends of the two guide mechanisms are in opposite directions, and the inner ends of the guide screw 12 are fixedly connected with the two guide screw 12.
Referring to fig. 4, four corners of the bearing platform 20 are respectively provided with a groove 21, each groove 21 is fixedly provided with two parallel guide posts 22, the guide posts 22 extend along the left-right direction of the bearing platform 20, two guide posts 22 positioned in the same groove 21 are connected with an adjusting plate 23 in a sliding manner, the surface of the adjusting plate 23 is provided with a pressure sensor 24, the detection ends of the two pressure sensors 24 positioned in the same adjusting plate 23 are connected with a bearing plate 25 in a common manner, the edge of the upper surface of the bearing plate 25 is integrally formed with two limit ribs 26, and the limit ribs 26 extend along the front-rear direction of the bearing platform 20; the adjusting screw 27 penetrating through the grooves 21 is rotatably connected to the bearing platform 20, the adjusting screw 27 is parallel to the guide rod 22, in this embodiment, the adjusting screw 27 penetrates through two grooves 21 located in the left-right direction at the same time, a forward threaded portion and a reverse threaded portion are arranged on the adjusting screw 27, and screw holes matched with the forward threaded portion and the reverse threaded portion in a transmission mode are respectively arranged on the adjusting plates 23 located in the two grooves 21 in the left-right direction.
Referring to fig. 5 and 6, the ranging mechanism is located at the outer side of the groove 21, the number of the ranging mechanisms corresponds to the number of the groove 21, the ranging mechanism includes a supporting plate 31, connecting components, a limiting plate 32 and a ranging sensor 33, the supporting plate 31 is located at the outer side of the groove 21, the lower end of the supporting plate 31 is fixedly connected with the bearing platform 20, the connecting components in each set of ranging mechanism are two groups of connecting components which are slidably connected on the supporting plate 31, the inner ends of the two groups of connecting components located on the same supporting plate 31 are jointly provided with a linkage plate 34, and the front end and the rear end of the linkage plate 34 are respectively provided with an inclined plate 35 which inclines outwards. The connecting part specifically includes: the sliding column 36, the rotating frame 37, the sliding block 38 and the sliding groove plate 39, wherein the sliding column 36 is in sliding connection with the supporting plate 31, the rotating frame 37 is fixedly connected to the inner end of the sliding column 36, the sliding block 38 is rotationally connected to the inner end of the rotating frame 37, the sliding block 38 is in sliding connection with the outer side of the sliding groove plate 39, and the sliding groove plate 39 is fixed to the outer side of the linkage plate 34. The outside of the slide column 36 is sleeved with a return spring 361, and two ends of the spring 361 respectively prop against the inner side of the supporting plate 31 and the outer side of the rotating frame 37. The limiting plate 32 is fixed at the outer end of the spool 36, and the ranging sensor 33 is disposed at the outer side of the support plate 31 for measuring the interval between the limiting plate 32 and the support plate 31 and transmitting the measurement data to the central control unit.
Referring to fig. 1, the central control unit includes a display module 41 and a control module 42, signal input ends of the pressure sensor 24 and the ranging sensor 33 are connected with a signal receiving end of the control module 42, and the control module 42 displays detection data through the display module 41.
The working principle of the invention is as follows:
the screw rod 12 is rotated, the screw thread directions of the two screw rods 12 are opposite, the two screw rods coaxially and synchronously rotate, when the screw rod 12 rotates, the two guide sleeves 13 move in opposite directions or in opposite directions, the inner guide plates 16 connected to the guide sleeves 13 rotate to move in opposite directions or in opposite directions along with the guide sleeves, so that the distance between the two inner guide plates 16 is adjusted, the adjusting ring 14 outside the guide sleeves 13 is rotated, the adjusting ring 14 drives the outer guide plates 15 to move, the distance between the two outer guide plates 15 and the distance between the inner guide plates 16 and the outer guide plates 15 are adjusted, the guide mechanism is adjusted according to the sizes of different vehicle types, the position of the guide mechanism entering the bearing platform is controllable, and the guide mechanism is suitable for vehicle posture adjustment under a traction state.
The adjusting screw 27 is rotated, the adjusting screw 27 is provided with a forward threaded part and a reverse threaded part, the forward threaded part and the reverse threaded part on the same adjusting screw 27 are respectively positioned in the two grooves 21 in the left and right directions, the adjusting plate 23 positioned in the two grooves 21 in the left and right directions moves towards each other or back to each other along the guide rod 22 under the transmission action of the adjusting screw 27, so that the position of the adjusting plate 23 is adjustable, a vehicle to be tested enters the bearing platform 20 from the slope plate 10 on the front side under the traction action of the traction mechanism until the tyre to be tested moves between the limit ribs 26 on the upper surface of the bearing plate 25, the structural design of the limit ribs 26 corresponds to the front and back of the guide mechanism on the slope plate 10, the accuracy of the vehicle in the traction state is further ensured, and the pressure sensor 24 is used for the test detection of the axle load.
In the process of entering a vehicle to be tested, when a vehicle tire contacts with the linkage plate 34, the linkage plate 34 is pushed outwards, in the process of outwards moving the linkage plate 34, the sliding column 36 provides a guiding path for the vehicle tire, as the vehicle tire and the linkage plate 34 are gradually contacted, the linkage plate 34 can be subjected to outward expansion gesture change, the sliding column 36 and the sliding block 38 are connected through the rotating frame 37, the outer end of the rotating frame 37 is rotationally connected with the sliding column 36, the U-shaped connector is arranged on the rotating frame 37, the U-shaped connector is hinged with the sliding block 38 through a shaft, an avoidance condition can be provided for gesture change of the linkage plate 34, after one linkage plate 34 is outwards moved, the limit plate 32 can be driven to synchronously outwards move, after distance data between the limit plate 32 and the supporting plate 31 are acquired by the distance sensor 33, the data are transmitted into the control module 42 of the central control unit, the control module 42 judges the inclination angle of the vehicle gesture, the display module 41 displays the data through the left and right opposite four distance sensor 33, and the numerical value of the vehicle body width can be counted, and whether the numerical value of the vehicle body width can be supported or not can be provided for supporting the vehicle body data.
The foregoing is only illustrative of the present invention and is not to be construed as limiting the scope of the invention, and all equivalent structures or equivalent flow modifications which may be made by the teachings of the present invention and the accompanying drawings or which may be directly or indirectly employed in other related art are within the scope of the invention. .
Claims (8)
1. Axle load test platform, its characterized in that: the device comprises a slope plate, a bearing platform, a distance measuring mechanism and a central control unit;
the two inclined plates are arranged at the front end and the rear end of the bearing platform, an assembly groove is formed in the inclined plate at the front end of the bearing platform, guide mechanisms are arranged in the assembly groove, each guide mechanism comprises two sets of guide screws, guide sleeves, adjusting rings, outer guide plates and inner guide plates, the guide sleeves are in threaded connection with the outer sides of the guide screws, the outer sides of the guide sleeves are provided with external threads, the adjusting rings are in threaded connection with the outer sides of the guide sleeves, one end of each outer guide plate is in rotary connection with the adjusting rings through an ear plate, one end of each inner guide plate is in rotary connection with the inner ends of the guide sleeves through an ear plate, and the thread directions of the guide screws, the guide sleeves and the adjusting rings in the two sets of guide mechanisms are opposite;
the bearing platform is provided with a plurality of grooves, two parallel guide posts are arranged in the grooves, the guide posts extend along the left-right direction of the bearing platform, two guide posts positioned in the same groove are connected with an adjusting plate in a sliding mode, the surface of the adjusting plate is provided with a pressure sensor, and the detection ends of the two pressure sensors positioned in the same adjusting plate are connected with a bearing plate; an adjusting screw rod penetrating through the groove is rotationally connected to the bearing platform, the adjusting screw rod is parallel to the guide rod, and a screw hole or a screw sleeve in threaded fit with the adjusting screw rod is arranged on the adjusting plate;
the distance measuring mechanisms are located on the outer sides of the grooves, and the number of the distance measuring mechanisms corresponds to that of the grooves.
2. The axle load testing platform of claim 1, wherein: and the upper surface of the bearing plate is provided with a limiting rib, and the limiting rib extends along the front-back direction of the bearing platform.
3. The axle load testing platform of claim 1, wherein: the adjusting screw penetrates through the two grooves in the left-right direction at the same time, the adjusting screw is provided with a forward threaded part and a reverse threaded part, and the adjusting plates in the two grooves in the left-right direction are respectively provided with screw holes or screw sleeves in transmission fit with the forward threaded part and the reverse threaded part.
4. The axle load testing platform of claim 1, wherein: the distance measuring mechanism comprises a supporting plate and connecting parts, the supporting plate is located on the outer side of the groove, the lower end of the supporting plate is fixedly connected with the bearing platform, the connecting parts in each set of distance measuring mechanism are two groups which are slidably connected in the supporting plate, the inner ends of the two groups of connecting parts located on the same supporting plate are jointly provided with a linkage plate, and the front end and the rear end of the linkage plate are respectively provided with an inclined plate which inclines outwards.
5. The axle load testing platform of claim 4, wherein: the connecting part comprises a sliding column, a rotating frame, a sliding block and a sliding groove plate, wherein the sliding column is in sliding connection with the supporting plate, the rotating frame is fixedly connected at the inner end of the sliding column, the sliding block is rotationally connected at the inner end of the rotating frame, the sliding block is in sliding connection with the outer side of the sliding groove plate, and the sliding groove plate is fixed at the outer side of the linkage plate.
6. The axle load testing platform of claim 5, wherein: and a reset spring is sleeved on the outer side of the sliding column, and two ends of the spring respectively prop against the inner side of the supporting plate and the outer side of the rotating frame.
7. The axle load testing platform of claim 4, wherein: the distance measuring mechanism further comprises a limiting plate and a distance measuring sensor, the limiting plate is fixed at the outer end of the sliding column, the distance measuring sensor is arranged on the outer side of the supporting plate and used for measuring the distance between the limiting plate and the supporting plate and sending measurement data to the central control unit.
8. The axle load testing platform of claim 7, wherein: the central control unit comprises a display module and a control module, the signal input ends of the pressure sensor and the ranging sensor are connected with the signal receiving end of the control module, and the control module displays detection data through the display module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311172833.1A CN117191260A (en) | 2023-09-12 | 2023-09-12 | Axle load test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311172833.1A CN117191260A (en) | 2023-09-12 | 2023-09-12 | Axle load test platform |
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| Publication Number | Publication Date |
|---|---|
| CN117191260A true CN117191260A (en) | 2023-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311172833.1A Pending CN117191260A (en) | 2023-09-12 | 2023-09-12 | Axle load test platform |
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| CN (1) | CN117191260A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117419854A (en) * | 2023-12-15 | 2024-01-19 | 山东鲁岳桥机械股份有限公司 | Automobile axle balance detection device |
-
2023
- 2023-09-12 CN CN202311172833.1A patent/CN117191260A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117419854A (en) * | 2023-12-15 | 2024-01-19 | 山东鲁岳桥机械股份有限公司 | Automobile axle balance detection device |
| CN117419854B (en) * | 2023-12-15 | 2024-02-23 | 山东鲁岳桥机械股份有限公司 | Automobile axle balance detection device |
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