CN220854415U - Radial rigidity detection device of rubber shaft - Google Patents
Radial rigidity detection device of rubber shaft Download PDFInfo
- Publication number
- CN220854415U CN220854415U CN202322634334.1U CN202322634334U CN220854415U CN 220854415 U CN220854415 U CN 220854415U CN 202322634334 U CN202322634334 U CN 202322634334U CN 220854415 U CN220854415 U CN 220854415U
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- fork
- rubber shaft
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- force
- force application
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- 238000001514 detection method Methods 0.000 title claims abstract description 47
- 238000006073 displacement reaction Methods 0.000 claims description 9
- 230000006835 compression Effects 0.000 abstract description 3
- 238000007906 compression Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 238000005452 bending Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of detection equipment, in particular to a radial stiffness detection device of a rubber shaft, which comprises a frame, a connecting frame and a workbench, wherein a fixing seat is fixedly connected above the workbench, the connecting frame is in sliding connection with the frame, the connecting frame is provided with a first driving device and a detection assembly, the tail end of the detection assembly is provided with a force application fork, the tail end of the force application fork is provided with a locking block, the locking block is movably connected with the force application fork, the tail end of the force application fork is provided with a first arc-shaped groove, and the locking block is provided with a second arc-shaped groove matched with the first arc-shaped groove. The first driving device generates tension or compression force to two ends of a central shaft of the rubber shaft through the force application fork and the locking block, and radial rigidity of the rubber shaft is detected through the detection assembly. The utility model has reasonable design, can realize the detection of two radial rigidities by one-time fixation, is convenient for rotating the rubber shaft, and realizes the detection of a plurality of radial rigidities.
Description
Technical Field
The utility model relates to the technical field of detection equipment, in particular to a radial stiffness detection device for a rubber shaft.
Background
The rubber sleeve has the advantages of good vibration isolation and noise reduction effects, elastic characteristics and damping performance, can provide torsion and inclination flexibility, and has become an indispensable important element in guiding devices (such as a cradle, a control arm and the like) of an automobile suspension system, and the rubber sleeve commonly used in the suspension system consists of a metal sleeve, a central shaft and an intermediate rubber body, so that the intermediate rubber body needs to be precompressed properly along the radial direction for improving the use durability.
Most of the existing detection devices are used for placing rubber shafts on a detection table, and the detection devices directly test the pressure of the central shaft, and as the rubber shafts are cylindrical, the rubber shafts roll off easily in the detection process, and shake easily in the detection process to influence the detection accuracy.
Disclosure of utility model
The utility model aims to overcome the defects of the prior art, and provides a device for detecting the radial rigidity of a rubber shaft, which is reasonable in design, can be used for detecting two radial rigidities at one time, and is convenient for rotating the rubber shaft to detect a plurality of radial rigidities.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a radial rigidity detection device of rubber shaft, includes frame, link and workstation, workstation top fixedly connected with fixing base, the link with frame sliding connection, the link is provided with first drive arrangement and detection component, detection component's end is provided with the application of force fork, the end of application of force fork is provided with the latch segment, the latch segment with application of force fork swing joint, application of force fork end is provided with first arc recess, the latch segment be provided with first arc recess matched with second arc recess.
Specifically, the fixing base includes curved clamp and lower clamp, go up clamp one end with lower clamp is articulated, the other end through locking device with lower clamp is connected.
Specifically, the inner sides of the upper clamp and the lower clamp are provided with balls.
Specifically, the detection assembly comprises a pull pressure sensor and a displacement sensor, wherein the pull pressure sensor is connected with the displacement sensor through a first connecting piece.
Specifically, the force application fork is connected with the detection assembly through a second connecting piece.
Specifically, the locking block is connected with the force application fork through a bolt.
The beneficial effects of the utility model are as follows: the utility model provides a radial rigidity detection device of rubber shaft, includes frame, link and workstation, workstation top fixedly connected with fixing base, the link with frame sliding connection, the link is provided with first drive arrangement and detection component, detection component's end is provided with the application of force fork, the end of application of force fork is provided with the latch segment, the latch segment with application of force fork swing joint, application of force fork end is provided with first arc recess, the latch segment be provided with first arc recess matched with second arc recess. The first driving device generates tension or compression force to two ends of a central shaft of the rubber shaft through the force application fork and the locking block, and radial rigidity of the rubber shaft is detected through the detection assembly. The utility model has reasonable design, can realize the detection of two radial rigidities by one-time fixation, is convenient for rotating the rubber shaft, and realizes the detection of a plurality of radial rigidities.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a front view of fig. 1.
Fig. 3 is a schematic view of the structure of the force applying fork and the locking block of the present utility model.
Fig. 4 is an enlarged view of a part of the structure of fig. 2.
Fig. 5 is an enlarged view of the holder.
Reference numerals illustrate:
1-a frame, 2-a connecting frame, 3-a fixed seat, 31-an upper clamp, 32-a lower clamp, 4-a first driving device, 5-a detection component, 51-a tension and pressure sensor, 52-a displacement sensor, 6-a force applying fork, 61-a first arc-shaped groove, 7-a locking block, 71-a second arc-shaped groove, 8-a first connecting piece and 9-a second connecting piece.
Detailed Description
The utility model will now be described in further detail with reference to the drawings and the specific embodiments, without limiting the scope of the utility model.
It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to the other element, it may be directly connected to the other element or intervening elements may also be present, the terms "vertical", "horizontal", "left", "right" and the like are used herein for the purpose of illustration only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs, and the terms used herein in this description of the utility model are for the purpose of describing particular embodiments only and are not intended to be limiting of the utility model, with the term "and/or" as used herein including any and all combinations of one or more of the associated listed items.
As shown in fig. 1-5, the radial stiffness detection device for a rubber shaft of the embodiment comprises a frame 1, a connecting frame 2 and a workbench, wherein a fixing seat 3 is fixedly connected above the workbench, the connecting frame 2 is slidably connected with the frame 1, the connecting frame 2 is provided with a first driving device 4 and a detection assembly 5, the first driving device 4 is used for driving the connecting frame 2 to move up and down, the tail end of the detection assembly 5 is provided with a force application fork 6, the tail end of the force application fork 6 is provided with a locking block 7, the locking block 7 is movably connected with the force application fork 6, the tail end of the force application fork 6 is provided with a first arc-shaped groove 61, and the locking block 7 is provided with a second arc-shaped groove 71 matched with the first arc-shaped groove 61.
The working principle of the utility model is as follows: when the device is used, the rubber shaft is placed in the fixing seat 3, the axis of the rubber shaft is horizontal, and the rubber shaft is fixed on the workbench through the fixing seat 3; the first driving device 4 drives the connecting frame 2 and the detecting component 5 to move towards the direction of the rubber shaft, so that the first arc-shaped grooves 62 at the two ends of the force applying fork 6 are contacted with the upper parts of the two ends of the central shaft of the rubber shaft, then are contacted with the lower parts of the two ends of the central shaft through the locking blocks 7, and the two ends of the central shaft are fixed in holes formed by the first arc-shaped grooves 61 and the second arc-shaped grooves 71. The first driving device 4 drives the connecting frame 2, the detecting component 5 and the force application fork 6 to move downwards, so that the force application fork 6 applies certain pressure to two ends of a central shaft of the rubber shaft to detect radial rigidity of the rubber shaft; after the first driving device 4 drives the connecting frame 2, the detecting component 5 and the force application fork 6 to reset, the connecting frame 2, the detecting component 5 and the force application fork 6 are driven to move upwards, so that the force application fork 6 applies certain tensile force to two ends of the rubber shaft to detect radial rigidity of the rubber shaft.
The fixing seat 3 comprises an arc-shaped upper clamp 31 and a lower clamp 32, one end of the upper clamp 31 is hinged with the lower clamp 32, the other end of the upper clamp is connected with the lower clamp 32 through a locking device, and the locking device can be an existing locking buckle or a locking bolt; the upper clamp 31 and the inner side of the lower clamp 32 are provided with balls, friction force between the outer wall of the rubber shaft and the inner wall of the fixed seat 3 is reduced, and the rubber shaft can conveniently rotate in the fixed seat 3 after the locking device is slightly loosened. When the rigidity of the rubber shaft in other radial directions is required to be detected, the locking device is slightly loosened, the rubber shaft is rotated, the detection process is repeated, and the detection of the rigidity in other radial directions can be realized.
The detection assembly 5 comprises a pull pressure sensor 51 and a displacement sensor 52, the pull pressure sensor 51 is connected with the displacement sensor 52 through a first connecting piece 8, so that the first driving device 4 can apply a certain acting force to the force applying fork 6 at the tail end of the detection assembly 5, and the pre-compression amount of the middle rubber body in the rubber shaft is detected through the pull pressure sensor 51 and the displacement sensor 52, so that the rigidity of the rubber shaft is detected. The pull pressure sensor 51 and the displacement sensor 52 can be connected with the first connecting piece 8 through a threaded connection or a bolt connection mode, and the first connecting piece 8 can prevent the detection component 5 from bending in the force application process, so that the detection accuracy is affected.
The force application fork 6 is connected with the detection assembly 5 through a second connecting piece 9, so that the first driving device 4 can apply a certain acting force to the force application fork 6 at the tail end of the detection assembly 5. The force application fork 6 can be connected with the tail end of the detection assembly 5 in a threaded or bolt mode, and the second connecting piece 9 can prevent the force application fork 6 from bending in the force application process, so that the detection accuracy is affected.
The locking block 7 is connected with the force application fork 6 through a bolt, so that the locking block 7 and the force application fork 6 are convenient to connect and detach.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.
Claims (6)
1. The utility model provides a rubber shaft radial rigidity detection device which characterized in that: including frame (1), link (2) and workstation, workstation top fixedly connected with fixing base (3), link (2) with frame (1) sliding connection, link (2) are provided with first drive arrangement (4) and detection subassembly (5), the end of detection subassembly (5) is provided with application of force fork (6), the end of application of force fork (6) is provided with latch segment (7), latch segment (7) with application of force fork (6) swing joint, application of force fork (6) end is provided with first arc recess (61), latch segment (7) be provided with first arc recess (61) matched with second arc recess (71).
2. The device for detecting radial stiffness of a rubber shaft according to claim 1, wherein: the fixing seat (3) comprises an arc-shaped upper clamp (31) and a lower clamp (32), one end of the upper clamp (31) is hinged with the lower clamp (32), and the other end of the upper clamp is connected with the lower clamp (32) through a locking device.
3. The device for detecting radial stiffness of a rubber shaft according to claim 2, wherein: the inner sides of the upper clamp (31) and the lower clamp (32) are provided with balls.
4. The device for detecting radial stiffness of a rubber shaft according to claim 1, wherein: the detection assembly (5) comprises a pull pressure sensor (51) and a displacement sensor (52), and the pull pressure sensor (51) is connected with the displacement sensor (52) through a first connecting piece (8).
5. The device for detecting radial stiffness of a rubber shaft according to claim 1, wherein: the force application fork (6) is connected with the detection assembly (5) through a second connecting piece (9).
6. The device for detecting radial stiffness of a rubber shaft according to claim 1, wherein: the locking block (7) is connected with the force application fork (6) through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322634334.1U CN220854415U (en) | 2023-09-27 | 2023-09-27 | Radial rigidity detection device of rubber shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322634334.1U CN220854415U (en) | 2023-09-27 | 2023-09-27 | Radial rigidity detection device of rubber shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220854415U true CN220854415U (en) | 2024-04-26 |
Family
ID=90784614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322634334.1U Active CN220854415U (en) | 2023-09-27 | 2023-09-27 | Radial rigidity detection device of rubber shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220854415U (en) |
-
2023
- 2023-09-27 CN CN202322634334.1U patent/CN220854415U/en active Active
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