CN210719731U - Gas bounce-back force testing device for gas cylinder type shock absorber of passenger vehicle - Google Patents
Gas bounce-back force testing device for gas cylinder type shock absorber of passenger vehicle Download PDFInfo
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- CN210719731U CN210719731U CN201921640738.9U CN201921640738U CN210719731U CN 210719731 U CN210719731 U CN 210719731U CN 201921640738 U CN201921640738 U CN 201921640738U CN 210719731 U CN210719731 U CN 210719731U
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- 239000006096 absorbing agent Substances 0.000 title claims abstract description 47
- 230000035939 shock Effects 0.000 title claims abstract description 47
- 238000012360 testing method Methods 0.000 title claims abstract description 30
- 238000006073 displacement reaction Methods 0.000 claims abstract description 16
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Abstract
The utility model relates to a gas bounce force testing device of a passenger vehicle inflator shock absorber, which is characterized by comprising a frame arranged on a workbench, wherein the upper part of the frame is provided with a mounting plate arranged horizontally, and the mounting plate is provided with a threaded hole matched with a screw rod to form a screw rod nut mechanism; the lower end of the screw rod is provided with a pressing plate, and the pressing plate is circumferentially and rotationally connected and axially limited relative to the screw rod; an upper fixing clamp is arranged at the lower end of the pressing plate, and a pressure sensor is arranged between the pressing plate and the upper fixing clamp; a lower fixing clamp is arranged on the position, opposite to the upper fixing clamp, of the workbench; and a displacement sensor is arranged between the pressing plate and the workbench. The utility model has stable and firm structure and simple operation; the gap of the gas rebound testing device of the gas cylinder type shock absorber of the passenger vehicle is filled.
Description
Technical Field
The utility model belongs to the technical field of the automobile parts capability test, concretely relates to gaseous bounce-back force testing arrangement of passenger car inflator pump formula shock absorber.
Background
The shock absorber is one of the most important parts in an automobile suspension system, and the dynamic performance of the shock absorber directly influences the performances of comfort, smoothness, stability and the like of a vehicle, so that new higher requirements are put forward on the performance of the automobile shock absorber. The gas rebound force of the shock absorber is one of the forces, and for the gas filled shock absorber, the force of the gas in the shock absorber acting on the piston rod is called the gas rebound force. In the current automobile test industry standard or national standard, certain requirements are required for the gas rebound force test of the shock absorber, so that a set of device is required for testing the gas rebound force of the shock absorber.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a passenger car inflator formula shock absorber gas bounce testing arrangement aims at realizing the test to the gas bounce of inflator formula shock absorber.
In order to achieve the above purpose, the utility model adopts the following scheme:
a gas bounce force testing device for a passenger vehicle inflator type shock absorber comprises a rack arranged on a workbench, wherein a mounting plate arranged horizontally is arranged at the upper part of the rack, and a threaded hole is formed in the mounting plate and matched with a lead screw to form a lead screw nut mechanism; the lower end of the screw rod is provided with a pressing plate, and the pressing plate is circumferentially and rotationally connected and axially limited relative to the screw rod; an upper fixing clamp is arranged at the lower end of the pressing plate, and a pressure sensor is arranged between the pressing plate and the upper fixing clamp; a lower fixing clamp is arranged on the position, opposite to the upper fixing clamp, of the workbench; and a displacement sensor is arranged between the pressing plate and the workbench.
Furthermore, a pair of guide posts is symmetrically arranged between the mounting plate and the workbench, through holes for the corresponding guide posts to pass through are formed in the pressing plate, and the pressing plate is in relative sliding fit with the guide posts.
Further, the pressing plate is connected with the lower end of the screw rod through a bearing.
Furthermore, the inner ring of the bearing is fixedly connected with the screw rod, the outer ring of the bearing is fixedly connected with a connecting plate, and the connecting plate is connected with the pressing plate through a connecting support; the upper end and the lower end of the bearing are respectively provided with an upper bearing cover and a lower bearing cover.
Furthermore, the connecting support is of a U-shaped plate structure, a bottom plate of the U-shaped plate structure is connected with the pressing plate, and the connecting plate is connected to the opening end of the U-shaped plate structure through a bolt.
Furthermore, a rocker is fixedly arranged at the upper end of the screw rod.
Further, the rack comprises a pair of vertical plates which are symmetrically arranged, and the mounting plate is arranged between the two vertical plates; and a reinforcing plate is also arranged between the vertical plate and the workbench.
Further, the displacement sensor is a pull-wire type displacement sensor.
Furthermore, go up mounting fixture includes a U-shaped board, be provided with a stopper on the bottom surface of U-shaped board.
Further, the lower fixing clamp comprises a transverse plate, a pair of vertical plates which are oppositely and symmetrically arranged are arranged on the transverse plate, and threaded holes which are transversely arranged are formed in the upper parts of the vertical plates so as to be matched with the corresponding clamping rods; the clamping end of the clamping rod is arranged in a conical shape.
The gas bounce-back force testing device for the passenger vehicle inflator shock absorber has the following beneficial effects:
(1) the utility model has stable and firm structure and simple operation; the gap of the gas rebound testing device of the gas cylinder type shock absorber of the passenger vehicle is filled.
(2) The utility model discloses be provided with the guide post, the guidance quality is good, measures accurately.
Drawings
FIG. 1: the structure schematic diagram of the gas bounce force testing device of the passenger vehicle inflator shock absorber in the embodiment of the utility model;
FIG. 2: FIG. 1 is a sectional view taken along line B-B;
FIG. 3: FIG. 2 is an enlarged view of a portion A;
FIG. 4: the structure of the upper fixing clamp in the embodiment of the utility model is shown schematically;
FIG. 5: the utility model discloses mounting fixture's schematic structure view down in the embodiment.
Description of reference numerals:
1-a screw rod; 11-a rocker; 2, a frame; 21, erecting a plate; 22-a mounting plate; 23-a reinforcing plate; 3, pressing a plate; 31-a bearing; 32-connecting plates; 33-upper bearing cap; 34-lower bearing cap; 35-connecting a support; 4-a pressure sensor; 5, fixing a clamp; 6-a displacement sensor; 7, lower fixing clamp; 8, a workbench; 9-a guide post; 10-a damper.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
fig. 1 and 5 show a specific embodiment of the gas bounce testing device for a passenger vehicle inflator shock absorber according to the present invention. Fig. 1 to 3 are schematic structural views of a gas rebound force testing device of a passenger vehicle inflator type shock absorber according to the embodiment; fig. 4 and 5 are schematic structural views of the upper and lower fixing jigs of the shock absorber in the present embodiment.
As shown in fig. 1 and fig. 2, the gas bounce force testing device of the inflator shock absorber for the passenger vehicle in the present embodiment includes a frame 2 disposed on a workbench 8, a horizontally disposed mounting plate 22 is disposed on an upper portion of the frame 2, and a screw hole disposed on the mounting plate 22 is matched with a screw rod 1 to form a screw rod nut mechanism; the lower end of the screw rod 1 is provided with a pressing plate 3, and the pressing plate 3 is connected with the screw rod 1 in a circumferential rotating manner and is axially limited; an upper fixing clamp 5 is arranged at the lower end of the pressing plate 3, and a pressure sensor 4 is arranged between the pressing plate 3 and the upper fixing clamp 5; a lower fixing clamp 7 is arranged on the position, opposite to the upper fixing clamp 5, of the workbench 8; a displacement sensor 6 is arranged between the pressure plate 3 and the worktable 8.
Preferably, a pair of guide posts 9 is further symmetrically arranged between the mounting plate 22 and the workbench 8, through holes for the corresponding guide posts 9 to pass through are arranged on the pressure plate 3, and the pressure plate 3 and the guide posts 9 are in relative sliding fit, as shown in fig. 1 and 2. The guide post 9 can ensure that the moving path of the screw rod 1 is not deflected.
Preferably, the pressure plate 3 is connected to the lower end of the screw rod 1 through a bearing 31, as shown in fig. 1 and 3.
Preferably, the inner ring of the bearing 31 is fixedly connected with the screw rod 1, the outer ring of the bearing 31 is fixedly connected with the connecting plate 32, and the connecting plate 32 is connected with the pressure plate 3 through the connecting support 35; the upper and lower ends of the bearing 31 are also provided with an upper bearing cap 33 and a lower bearing cap 34, respectively, as shown in fig. 3.
In this embodiment, the connecting support 35 is a U-shaped plate structure, the bottom plate of the U-shaped plate structure is connected to the pressing plate 3, and the connecting plate 32 is connected to the open end of the U-shaped plate structure through a bolt, so as to form a receiving space for receiving the lower end of the screw rod 1, as shown in fig. 3.
Preferably, the upper end of the screw rod 1 is fixedly provided with a rocker 11 for convenient operation, as shown in fig. 1 and 2.
Preferably, the frame 2 includes a pair of symmetrically disposed vertical plates 21, and the mounting plate 22 is disposed between the two vertical plates 21; a reinforcing plate 23 is arranged between the vertical plate 21 and the workbench 8, and the structure is stable and firm. In this embodiment, a threaded hole is provided in the middle of the mounting plate 22 to constitute a feed screw-nut mechanism with the feed screw 1.
In the present embodiment, the displacement sensor 6 is a pull-wire type displacement sensor.
Preferably, the upper fixing clamp 5 comprises a U-shaped plate, and a limiting block is disposed on the outer surface of the bottom of the U-shaped plate, as shown in fig. 1 and 4.
Preferably, the lower fixing clamp 7 comprises a transverse plate, a pair of vertical plates which are oppositely and symmetrically arranged are arranged on the transverse plate, and threaded holes which are transversely arranged are formed in the upper parts of the vertical plates so as to be matched with the corresponding clamping rods; the clamping end of the clamping bar is provided with a conical shape, as shown in fig. 1 and 5.
In this embodiment, the upper fixing clamp 5 and the pressing plate 3, and the lower fixing clamp 7 and the workbench 8 are detachably connected, so as to ensure the reliable installation of the shock absorber 10. The central connecting line of the upper fixing clamp 5 and the lower fixing clamp 7 (namely the central line of the shock absorber 10) is parallel to or coincided with the central line of the screw rod 1, so that the shock absorber 10 is uniformly stressed, and a high-precision test result is obtained.
During working, firstly, a shock absorber 10 to be tested is arranged on the detection device through an upper fixing clamp 5 and a lower fixing clamp 7; then, the pressure sensor 4 is reset, and the rocker 11 is slowly shaken (the hand-operated arm of force is uniform) to drive the screw rod 1 to move downwards, so that the pressing plate 3 is driven to move downwards to realize the compression of the shock absorber 10; when the piston rod of the shock absorber 10 is pressed down by 10mm from the maximum limit length position, the compression length is measured by the displacement sensor 6, the rocker 11 is stopped to be rocked, and the display numerical value of the pressure sensor 4, namely the gas rebound value, is read; and finally, slowly shaking the rocker 11 reversely to drive the screw rod 1 to move upwards so as to drive the pressing plate 3 to move upwards, releasing the shock absorber 10, taking down the shock absorber 10 and finishing the test. The gas bounce performance of the shock absorber can be obtained by analyzing the relationship between the gas bounce value displayed by the pressure sensor 4 and the downward pressure displacement value measured by the displacement sensor 6, and then the gas bounce performance of the shock absorber is analyzed.
The utility model discloses a rotation of lead screw drives the clamp plate and moves down or rebound, compresses or releases the shock absorber between clamp plate and the workstation then, and pressure sensor gathers the pressure value that the shock absorber received, measures shock absorber compression displacement through stay-supported displacement sensor, and then can carry out the analysis to the performance of the gaseous bounce of shock absorber.
The utility model has stable and firm structure and simple operation; the gap of the gas rebound testing device of the gas cylinder type shock absorber of the passenger vehicle is filled.
The utility model discloses be provided with the guide post, the guidance quality is good, measures accurately.
The present invention has been described in detail with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and various improvements of the method concept and the technical solution of the present invention can be made without modification, or the present invention can be directly applied to other occasions without modification, and is within the protection scope of the present invention.
Claims (9)
1. A gas bounce force testing device of a passenger vehicle inflator type shock absorber is characterized by comprising a rack arranged on a workbench, wherein a mounting plate arranged horizontally is arranged at the upper part of the rack, and a threaded hole is formed in the mounting plate and matched with a lead screw to form a lead screw and nut mechanism; the lower end of the screw rod is provided with a pressing plate, and the pressing plate is circumferentially and rotationally connected and axially limited relative to the screw rod; an upper fixing clamp is arranged at the lower end of the pressing plate, and a pressure sensor is arranged between the pressing plate and the upper fixing clamp; a lower fixing clamp is arranged on the position, opposite to the upper fixing clamp, of the workbench; and a displacement sensor is arranged between the pressing plate and the workbench.
2. The gas rebound testing device for the inflator type shock absorber of the passenger vehicle as claimed in claim 1, wherein a pair of guide posts are symmetrically disposed between the mounting plate and the workbench, the pressing plate is provided with through holes for the corresponding guide posts to pass through, and the pressing plate is in sliding fit with the guide posts relatively.
3. The gas bounce test device of a passenger vehicle inflator shock absorber according to claim 1 or 2, wherein the pressure plate is connected to a lower end of the screw rod through a bearing; the inner ring of the bearing is fixedly connected with the screw rod, the outer ring of the bearing is fixedly connected with a connecting plate, and the connecting plate is connected with the pressing plate through a connecting support; the upper end and the lower end of the bearing are respectively provided with an upper bearing cover and a lower bearing cover.
4. The gas rebound testing device of a passenger vehicle inflator-type shock absorber according to claim 3, wherein the connecting support is a U-shaped plate structure, a bottom plate of the U-shaped plate structure is connected with the pressure plate, and the connecting plate is connected to an opening end of the U-shaped plate structure through a bolt.
5. The gas rebound testing device of the passenger car inflator shock absorber according to claim 1, 2 or 4, wherein a rocker is fixedly arranged at the upper end of the screw rod.
6. The gas rebound testing device of a passenger vehicle inflator-type shock absorber according to claim 1, 2 or 4, wherein the frame comprises a pair of symmetrically arranged vertical plates, and the mounting plate is arranged between the two vertical plates; and a reinforcing plate is also arranged between the vertical plate and the workbench.
7. The gas bounce test apparatus of a passenger vehicle inflator-type shock absorber according to claim 1, 2 or 4, wherein the displacement sensor is a stay wire type displacement sensor.
8. The gas rebound testing device of a passenger vehicle inflator-type shock absorber according to claim 1, 2 or 4, wherein the upper fixing clamp comprises a U-shaped plate, and a limiting block is arranged on the outer surface of the bottom of the U-shaped plate.
9. The gas rebound testing device of the inflator type shock absorber for the passenger vehicle as claimed in claim 1, 2 or 4, wherein the lower fixing clamp comprises a transverse plate, a pair of oppositely and symmetrically arranged vertical plates are arranged on the transverse plate, and threaded holes transversely arranged are arranged at the upper parts of the vertical plates to be matched with the corresponding clamping rods; the clamping end of the clamping rod is arranged in a conical shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921640738.9U CN210719731U (en) | 2019-09-29 | 2019-09-29 | Gas bounce-back force testing device for gas cylinder type shock absorber of passenger vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921640738.9U CN210719731U (en) | 2019-09-29 | 2019-09-29 | Gas bounce-back force testing device for gas cylinder type shock absorber of passenger vehicle |
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| CN210719731U true CN210719731U (en) | 2020-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921640738.9U Active CN210719731U (en) | 2019-09-29 | 2019-09-29 | Gas bounce-back force testing device for gas cylinder type shock absorber of passenger vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114018459A (en) * | 2022-01-05 | 2022-02-08 | 雷狄尼家具(南通)有限公司 | Counter-elasticity testing device for cabinet door rebounder |
-
2019
- 2019-09-29 CN CN201921640738.9U patent/CN210719731U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114018459A (en) * | 2022-01-05 | 2022-02-08 | 雷狄尼家具(南通)有限公司 | Counter-elasticity testing device for cabinet door rebounder |
| CN114018459B (en) * | 2022-01-05 | 2022-04-01 | 雷狄尼家具(南通)有限公司 | Counter-elasticity testing device for cabinet door rebounder |
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