CN218330627U - Test structure for rigidity test of front plate spring of commercial vehicle - Google Patents
Test structure for rigidity test of front plate spring of commercial vehicle Download PDFInfo
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- CN218330627U CN218330627U CN202222096756.3U CN202222096756U CN218330627U CN 218330627 U CN218330627 U CN 218330627U CN 202222096756 U CN202222096756 U CN 202222096756U CN 218330627 U CN218330627 U CN 218330627U
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Abstract
The utility model provides a test structure of commercial car front leaf spring rigidity test, its characterized in that: comprises a front plate spring, an actuator, a clamping part, 2 trolleys and 2 guide rails; the trolley comprises a frame, and wheels are arranged at the lower part of the frame; the guide rail comprises a bottom plate and 2 guide plates, wherein the 2 guide plates are arranged on the upper side surface of the bottom plate, and guide grooves are formed among the 2 guide plates; the wheels of 2 trolleys are respectively arranged in the guide grooves of 2 guide rails, the 2 trolleys are respectively arranged at two ends of a front plate spring, and the upper part of the frame of each trolley is hinged with a hinge lug of the front plate spring; the clamping part sets up the middle part of leaf spring in the front, the clamping part includes punch holder and lower plate, preceding leaf spring sets up between punch holder and lower plate, and punch holder and lower plate pass through bolted connection and can press from both sides the leaf spring tightly, the lower part fixed connection of punch holder and actuator. Adopt the test structure of this application to carry out rigidity test to preceding leaf spring, efficiency of software testing improves, cost reduction.
Description
Technical Field
The utility model relates to a vehicle manufacturing technical field, especially a test structure of commercial car front leaf spring rigidity test.
Background
The automobile suspension system is used for improving the driving smoothness and improving the driving comfort. The suspension system also plays a bearing role for commercial vehicles, the suspension system of the commercial vehicle mostly adopts a plate spring (namely a leaf spring) structure form, a front plate spring is a plate spring arranged at the front axle position of the vehicle, the rigidity of the front plate spring is an important evaluation index for measuring the deformation resistance of the suspension system, particularly the dynamic rigidity data and the performance characteristic curve of the front plate spring under the dynamic load changing along with time are important parameters for the safety design of the suspension system and the CAE analysis for guiding the working condition of the whole vehicle. In the prior art, the rigidity test is mainly carried out on a real vehicle and data are acquired, the test sensor is complex to install, the whole vehicle test is time-consuming and labor-consuming, and the test cost is high.
SUMMERY OF THE UTILITY MODEL
Problem to the background art, the utility model provides a test structure of test of leaf spring rigidity before commercial car to solve among the prior art problem that efficiency of software testing is low, with high costs.
For realizing the utility model discloses a purpose, the utility model provides a test structure of commercial car front leaf spring rigidity test, its innovation point lies in: comprises a front plate spring, an actuator, a clamping part, 2 trolleys and 2 guide rails; two ends of the front plate spring are respectively provided with a hinge lug; the trolley comprises a frame, and wheels are arranged at the lower part of the frame; the guide rail comprises a bottom plate and 2 guide plates, wherein the 2 guide plates are arranged on the upper side surface of the bottom plate, the guide plates are perpendicular to the bottom plate, the 2 guide plates are arranged in parallel, and guide grooves are formed among the 2 guide plates; the bottoms of the 2 guide rails are all fixedly arranged on the same plane; the wheels of 2 trolleys are respectively arranged in the guide grooves of 2 guide rails, the 2 trolleys are respectively arranged at two ends of a front plate spring, the upper part of the frame of each trolley is hinged with a hinge lug of the front plate spring, and the axial direction of each guide groove is parallel to the axial direction of the front plate spring; the clamping part sets up the middle part of leaf spring in the front, the clamping part includes punch holder and lower plate, preceding leaf spring sets up between punch holder and lower plate, and punch holder and lower plate pass through bolted connection and can press from both sides the leaf spring tightly, the lower part fixed connection of punch holder and actuator.
As an optimization, a single said trolley comprises 2 pairs of wheels.
Preferably, the upper clamping plate is connected with the actuator through a bolt.
Preferably, lubricating oil is coated on 2 opposite side surfaces of the two guide plates of the same guide rail.
Adopt the utility model discloses a method has following beneficial effect: the test structure is simple, the rigidity of the front plate spring can be independently tested, the pertinence is strong, the operation is simple, the test efficiency is greatly improved, and the test is carried out without using the whole vehicle, so that the test cost is greatly reduced; on the other hand, the test structure completely simulates the mounting structure of the front plate spring on the real vehicle, so that the test precision and the accuracy of data acquisition are effectively guaranteed.
Drawings
The drawings of the present invention are described below.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 isbase:Sub>A sectional view taken along line A-A;
FIG. 3 is a cross-sectional view B-B.
In the figure: 1. a front leaf spring; 2. an actuator; 3. a clamping portion; 4. a trolley; 5. a guide rail; 31. an upper splint; 32. a lower splint; 41. a frame; 42. a wheel; 51. a base plate; 52. a guide plate.
Detailed Description
The present invention will be further described with reference to the following examples.
The test structure for the rigidity test of the front plate spring of the commercial vehicle shown in the attached drawings 1 to 3 comprises a front plate spring 1, an actuator 2, a clamping part 3, 2 trolleys 4 and 2 guide rails 5; two ends of the front plate spring 1 are respectively provided with a hinge lug; the trolley 4 comprises a frame 41, and wheels 42 are arranged at the lower part of the frame 41; the guide rail 5 comprises a bottom plate 51 and 2 guide plates 52, wherein the 2 guide plates 52 are arranged on the upper side surface of the bottom plate 51, the guide plates 52 are perpendicular to the bottom plate 51, the 2 guide plates 52 are arranged in parallel, and guide grooves are formed among the 2 guide plates 52; the bottoms of the 2 guide rails 5 are all fixedly arranged on the same plane; the wheels 42 of 2 trolleys 4 are respectively arranged in the guide grooves of 2 guide rails 5, the 2 trolleys 4 are respectively arranged at two ends of the front plate spring 1, the upper part of the frame 41 of the trolley 4 is hinged with the hinge lug of the front plate spring 1, and the axial direction of the guide groove is parallel to the axial direction of the front plate spring 1; clamping part 3 sets up the middle part at leaf spring 1 in the front, clamping part 3 includes upper plate 31 and lower plate 32, preceding leaf spring 1 sets up between upper plate 31 and lower plate 32, and upper plate 31 and lower plate 32 pass through bolted connection and can with preceding leaf spring 1 presss from both sides tightly, upper plate 31 and actuator 2's lower part fixed connection.
In order to improve the stability and the bearing capacity of the trolley and meet the requirement of test load, a single trolley 4 comprises 2 pairs of wheels 42.
For easy assembly and disassembly, the upper clamping plate 31 is connected with the actuator 2 through a bolt.
In order to reduce the influence of the friction force between the wheel and the guide plates on the test precision, lubricating oil is coated on 2 opposite side surfaces of the two guide plates 52 of the same guide rail 5.
During testing, static or dynamic load is applied to the front plate spring by the actuator, and static rigidity or dynamic rigidity of the front plate spring can be tested.
Claims (4)
1. The utility model provides a test structure of plate spring rigidity test before commercial car which characterized in that: comprises a front plate spring (1), an actuator (2), a clamping part (3), 2 trolleys (4) and 2 guide rails (5); two ends of the front plate spring (1) are respectively provided with a hinge lug; the trolley (4) comprises a frame (41), and wheels (42) are arranged at the lower part of the frame (41); the guide rail (5) comprises a bottom plate (51) and 2 guide plates (52), wherein the 2 guide plates (52) are arranged on the upper side surface of the bottom plate (51), the guide plates (52) are vertical to the bottom plate (51), the 2 guide plates (52) are arranged in parallel, and guide grooves are formed among the 2 guide plates (52); the bottoms of the 2 guide rails (5) are all fixedly arranged on the same plane; wheels (42) of 2 trolleys (4) are respectively arranged in guide grooves of 2 guide rails (5), the 2 trolleys (4) are respectively arranged at two ends of a front plate spring (1), the upper part of a frame (41) of each trolley (4) is hinged with a hinge lug of the front plate spring (1), and the axial direction of each guide groove is parallel to the axial direction of the front plate spring (1); clamping part (3) set up the middle part in front leaf spring (1), clamping part (3) include punch holder (31) and lower plate (32), preceding leaf spring (1) sets up between punch holder (31) and lower plate (32), punch holder (31) and lower plate (32) through bolted connection and can with preceding leaf spring (1) presss from both sides tightly, the lower part fixed connection of punch holder (31) and actuator (2).
2. The test structure for the rigidity test of the commercial vehicle front leaf spring according to claim 1, characterized in that: the single trolley (4) comprises 2 pairs of wheels (42).
3. The test structure for the rigidity test of the commercial vehicle front leaf spring according to claim 1 or 2, characterized in that: the upper clamping plate (31) is connected with the actuator (2) through a bolt.
4. The test structure for the rigidity test of the commercial vehicle front leaf spring according to claim 1 or 2, characterized in that: lubricating oil is coated on 2 opposite side surfaces of the two guide plates (52) of the same guide rail (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222096756.3U CN218330627U (en) | 2022-08-10 | 2022-08-10 | Test structure for rigidity test of front plate spring of commercial vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222096756.3U CN218330627U (en) | 2022-08-10 | 2022-08-10 | Test structure for rigidity test of front plate spring of commercial vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218330627U true CN218330627U (en) | 2023-01-17 |
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ID=84883022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222096756.3U Active CN218330627U (en) | 2022-08-10 | 2022-08-10 | Test structure for rigidity test of front plate spring of commercial vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218330627U (en) |
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2022
- 2022-08-10 CN CN202222096756.3U patent/CN218330627U/en active Active
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