CN213812852U - Shock absorber fatigue test tool with adjustable clamping range - Google Patents
Shock absorber fatigue test tool with adjustable clamping range Download PDFInfo
- Publication number
- CN213812852U CN213812852U CN202120009185.8U CN202120009185U CN213812852U CN 213812852 U CN213812852 U CN 213812852U CN 202120009185 U CN202120009185 U CN 202120009185U CN 213812852 U CN213812852 U CN 213812852U
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- clamping piece
- shock absorber
- fixed
- pressing block
- base
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Abstract
The utility model discloses a shock absorber fatigue test frock with adjustable clamping scope, which comprises a base, fixed clamping piece, the activity clamping piece, spacing separation blade, first briquetting and second briquetting, spacing separation blade fixed mounting is in the bottom of base, be equipped with the recess on the base, fixed clamping piece inlays the first end of dress at the recess, the second end at the recess is inlayed to the activity clamping piece, fixed clamping piece sets up and forms the tight space of clamp of shock absorber node with the activity clamping piece relatively, the top of fixed clamping piece is passed through the second briquetting and is fixed in the recess, the activity clamping piece is fixed in the recess through first briquetting, the base passes through connecting screw and fixes on the actuator or the reaction frame of shock absorber test bench. The utility model discloses a main part can be general, only needs to change activity clamping piece and fixed clamping piece, can realize matching with different shock absorber node external diameters in order to reach the tight purpose of clamp, compares in the one-to-one of traditional anchor clamps and shock absorber node size, and its commonality can realize the maximize, has still effectively reduced the total cost of frock in the experiment.
Description
Technical Field
The utility model relates to a shock absorber fatigue test technical field, concretely relates to shock absorber fatigue test frock with adjustable clamping scope.
Background
At present, the traditional fatigue test tool for the shock absorber is designed according to the size of a certain node, the shock absorber with one size can only be clamped by the test tool with the fixed size, and the shock absorbers with other node sizes can be clamped by the test tool which does not correspond to the shock absorber, so that the situations that the clamping position of the shock absorber is asymmetric, the clamping of the shock absorber is not flexible, and even the node cannot be installed easily occur, and a large number of test tools are needed if the shock absorbers with different node sizes are required to be tested, and the test cost is high.
Simultaneously, traditional shock absorber fatigue test frock presss from both sides tightly the shock absorber node through two clamp bolts, and clamp bolt is less with node area of contact, and stress concentration easily appears in the clamping process, and the damaged and pit phenomenon in surface easily appears in the node, if the both sides clamp bolt screws up the distance nonconformity, still can lead to shock absorber axis direction and actuator direction of motion misalignment.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a shock absorber fatigue test frock with adjustable clamping scope can realize matching with different shock absorber node external diameters in order to reach tight purpose of clamp to solve the technical problem who mentions in the background art.
The purpose of the utility model is realized through the following technical scheme:
a shock absorber fatigue test tool with an adjustable clamping range comprises a base, a fixed clamping piece, a movable clamping piece, a limiting blocking piece, a first pressing block and a second pressing block, wherein the limiting blocking piece is fixedly installed at the bottom end of the base, a groove is formed in the base, the fixed clamping piece is embedded at the first end of the groove, the movable clamping piece is embedded at the second end of the groove, the fixed clamping piece and the movable clamping piece are oppositely arranged and form a clamping space of shock absorber nodes, the bottoms of the clamping piece and the fixed clamping piece abut against the limiting blocking piece, and the length of the limiting blocking piece is smaller than that of the groove; the top of the fixed clamping piece is fixed in the groove through the second pressing block, the movable clamping piece is fixed in the groove through the first pressing block, and the base is fixed on an actuator or a reaction frame of the shock absorber test bed through a connecting screw rod.
Furthermore, a first front-end pressing block and a second front-end pressing block are fixedly mounted at two ends of an opening of the groove of the base.
Further, a strip-shaped groove is formed in each of the fixed clamping piece and the movable clamping piece, and a convex block matched with the strip-shaped groove is arranged on each of the first front-end pressing block and the second front-end pressing block.
Further, the limiting blocking piece is welded at the bottom end of the base.
Furthermore, one end of the first pressing block and one end of the second pressing block are both installed on the top wall of the base through fixing bolts, and the other ends of the first pressing block and the second pressing block stretch over the groove.
Further, the activity clamping piece pass through adjusting part with the pedestal connection, adjusting part includes a plurality of screw thread through-holes, locking bolt and eccentric nut, and is a plurality of the screw thread through-hole is seted up be close to on the base the tip of the second end of recess, locking bolt's one end is worn to establish screw thread through-hole top is tight the lateral wall of activity clamping piece to cooperation eccentric nut realizes the fixed mounting of activity clamping piece.
Furthermore, the side wall of the base is provided with a guide rod, and the movable clamping piece is provided with a blind hole matched with the guide rod.
The utility model has the advantages that:
(1) the utility model discloses a shock absorber fatigue test tool with adjustable clamping range, wherein a fixed clamping piece and a movable clamping piece are oppositely arranged in a groove on a base, the upper and lower parts of the fixed clamping piece are limited and fixed by the second pressing block and the limiting and blocking piece, the upper and lower parts of the movable clamping piece are limited and fixed by the first pressing block and the limiting and blocking piece, the relative installation position between the fixed clamping piece and the movable clamping piece can be adjusted, therefore, the size of the clamping space of the shock absorber node formed between the fixed clamping piece and the movable clamping piece can be adjusted, in other words, the main body part of the tool can be universal, only the movable clamping piece and the fixed clamping piece need to be replaced, the outer diameter of the node of the shock absorber can be matched, the clamping purpose is achieved, compared with the one-to-one correspondence of the sizes of the nodes of the shock absorber and the traditional clamp, the universal performance of the tool is maximized, and the total cost of the tool in the test is effectively reduced.
(2) The utility model discloses a with the line contact of shock absorber node even point contact, increased area of contact, avoided the emergence of the damaged phenomenon in shock absorber node surface that stress concentration leads to, again because fixed clamping piece has not mobilizable characteristics, can effectively guarantee the centering nature of shock absorber when the shock absorber presss from both sides tightly, avoid the shock absorber to receive the yawing force in the experiment.
Drawings
Fig. 1 is a schematic view of the overall structure of the fatigue test tool for the shock absorber with adjustable clamping range of the utility model;
FIG. 2 is a schematic view of the installation structure of the limiting baffle of the present invention;
FIG. 3 is a schematic view of the mounting structure of the movable clip of the present invention;
in the figure, 1-a base, 2-a fixed clip, 3-a movable clip, 4-a limiting block, 5-a first pressing block, 6-a second pressing block, 7-a groove, 8-a connecting screw, 9-a first front pressing block, 10-a second front pressing block, 11-a strip-shaped groove, 12-a fixed bolt, 13-a threaded through hole, 14-a locking bolt, 15-an eccentric nut and 16-a guide rod.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
Example 1
Referring to fig. 1-3, the present invention provides a technical solution:
referring to fig. 1-2, a shock absorber fatigue test tool with an adjustable clamping range comprises a base 1, a fixed clamping piece 2, a movable clamping piece 3, a limiting blocking piece 4, a first pressing block 5 and a second pressing block 6, wherein the limiting blocking piece 4 is fixedly installed at the bottom end of the base 1, a groove 7 is formed in the base 1, the fixed clamping piece 2 is embedded in a first end of the groove 7, the movable clamping piece 3 is embedded in a second end of the groove 7, the fixed clamping piece 2 and the movable clamping piece 3 are oppositely arranged and form a clamping space of a shock absorber node, bottoms of the clamping piece and the fixed clamping piece 2 are abutted against the limiting blocking piece 4, and the length of the limiting blocking piece 4 is smaller than that of the groove 7; the top of the fixed clamping piece 2 is fixed in the groove 7 through the second pressing block 6, the movable clamping piece 3 is fixed in the groove 7 through the first pressing block 5, and the base 1 is fixed on an actuator or a reaction frame of the shock absorber test bed through a connecting screw rod 8.
In the embodiment, the fixed clip 2 and the movable clip 3 are oppositely arranged in the groove 7 on the base 1, the upper and lower parts of the fixed clip 2 are limited and fixed by the second pressing block 6 and the limiting and blocking piece 4, the upper and lower parts of the movable clip 3 are limited and fixed by the first pressing block 5 and the limiting and blocking piece 4, the relative installation position between the fixed clip 2 and the movable clip 3 can be adjusted, so that the size of the clamping space of the shock absorber node formed between the fixed clip piece 2 and the movable clip piece 3 can be adjusted, in other words, the main body part of the tool can be universal, only the movable clip piece 3 and the fixed clip piece 2 need to be replaced, the outer diameter of the node of the shock absorber can be matched, the clamping purpose is achieved, compared with the one-to-one correspondence of the sizes of the nodes of the shock absorber and the traditional clamp, the universal performance of the tool is maximized, and the total cost of the tool in the test is effectively reduced.
Referring to fig. 1-2, a first front pressing block 9 and a second front pressing block 10 are fixedly mounted at two ends of an opening of the groove 7 of the base 1.
In this embodiment, the first front pressing block 9 fixedly installed at two ends of the opening of the groove 7 of the base 1 is used to limit the moving range of the front end of the fixed clip 2, and the second front pressing block 10 is used to limit the moving range of the movable clip 3, so that all directions are limited to achieve the fixing effect.
Referring to fig. 3, the fixed clip 2 and the movable clip 3 are both provided with a strip-shaped groove 11, and the first front-end pressing block 9 and the second front-end pressing block 10 are both provided with a projection engaged with the strip-shaped groove 11.
In this embodiment, the protruding block on the first front pressing block 9 is installed in cooperation with the strip-shaped groove 11 of the fixed clip 2, and the protruding block on the second front pressing block 10 is installed in cooperation with the strip-shaped groove 11 of the movable clip 3, so as to complete the limiting and fixing of the front directions of the fixed clip 2 and the movable clip 3.
Preferably, the limiting baffle 4 is welded at the bottom end of the base 1.
In this embodiment, the limiting blocking piece 4 is fixedly mounted at the bottom end of the base 1 in a welding manner, so that the manufacturing stability of the limiting blocking piece can be improved.
Referring to fig. 1, one end of each of the first pressing block 5 and the second pressing block 6 is mounted on the top wall of the base 1 through a fixing bolt 12, and the other end of each of the first pressing block 5 and the second pressing block 6 crosses over the groove 7.
In this embodiment, the lengths of the first pressing block 5 and the second pressing block 6 are smaller than the length of the groove 7, so that the other end of the first pressing block 5 can just cover a small part of the movable clamping piece 3, and the other end of the second pressing block 6 can just cover a small part of the fixed clamping piece 2, and finally the movable clamping piece 3 and the fixed clamping piece 2 are fixed above each other.
Referring to fig. 3, the movable clamping piece 3 is connected to the base 1 through an adjusting assembly, the adjusting assembly includes a plurality of threaded through holes 13, a locking bolt 14 and an eccentric nut 15, the plurality of threaded through holes 13 are provided at an end portion of the base 1 near the second end of the groove 7, one end of the locking bolt 14 penetrates through the threaded through hole 13 to tightly support the side wall of the movable clamping piece 3, and the locking bolt is matched with the eccentric nut 15 to realize the fixed installation of the movable clamping piece 3.
Referring to fig. 1 and 3, a guide rod 16 is disposed on a side wall of the base 1, and a blind hole matched with the guide rod 16 is disposed on the movable clamping piece 3
In this embodiment, by setting the locking bolts 14 and the guide rods 16 with different lengths, the distance between the side wall of the movable clamping piece 3 and the end of the base 1 can be adjusted, so that the size of the clamping space between the fixed clamping piece 2 and the movable clamping piece 3 can be adjusted, and the outer diameter matching with different shock absorber nodes is realized.
Preferably, the opposite ends of the fixed clamping piece 2 and the movable clamping piece 3 adopt arc-shaped structures, so that the line contact or even point contact of the tool and the node of the shock absorber is realized, the contact area is increased, the phenomenon of surface damage of the node of the shock absorber caused by stress concentration is avoided, and the centering performance of the shock absorber can be effectively ensured when the shock absorber is clamped because the fixed clamping piece 2 has the characteristic of being not movable, so that the shock absorber is prevented from being subjected to lateral force in a test.
The foregoing is illustrative of the preferred embodiments of the present invention, and it is to be understood that the invention is not limited to the precise forms disclosed herein, and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the invention as defined by the appended claims. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.
Claims (7)
1. The utility model provides a shock absorber fatigue test frock with adjustable clamping scope which characterized in that: the shock absorber clamping device comprises a base (1), a fixed clamping piece (2), a movable clamping piece (3), a limiting blocking piece (4), a first pressing block (5) and a second pressing block (6), wherein the limiting blocking piece (4) is fixedly installed at the bottom end of the base (1), a groove (7) is formed in the base (1), the fixed clamping piece (2) is embedded in the first end of the groove (7), the movable clamping piece (3) is embedded in the second end of the groove (7), the fixed clamping piece (2) and the movable clamping piece (3) are oppositely arranged and form a clamping space of a shock absorber node, the bottoms of the clamping piece and the fixed clamping piece (2) are abutted against the limiting blocking piece (4), and the length of the limiting blocking piece (4) is smaller than that of the groove (7); the top of the fixed clamping piece (2) is fixed in the groove (7) through the second pressing block (6), the movable clamping piece (3) is fixed in the groove (7) through the first pressing block (5), and the base (1) is fixed on an actuator or a reaction frame of the shock absorber test bed through a connecting screw rod (8).
2. The shock absorber fatigue test tool with the adjustable clamping range according to claim 1, characterized in that: a first front-end pressing block (9) and a second front-end pressing block (10) are fixedly mounted at two ends of an opening of the groove (7) of the base (1).
3. The shock absorber fatigue test tool with the adjustable clamping range according to claim 2, characterized in that: the fixed clamping piece (2) and the movable clamping piece (3) are all provided with a strip-shaped groove (11), and the first front-end pressing block (9) and the second front-end pressing block (10) are all provided with a convex block matched with the strip-shaped groove (11).
4. The shock absorber fatigue test tool with the adjustable clamping range according to claim 1, characterized in that: the limiting blocking piece (4) is welded at the bottom end of the base (1).
5. The shock absorber fatigue test tool with the adjustable clamping range according to claim 1, characterized in that: one ends of the first pressing block (5) and the second pressing block (6) are mounted on the top wall of the base (1) through fixing bolts (12), and the other ends of the first pressing block (5) and the second pressing block (6) stretch over the groove (7).
6. The shock absorber fatigue test tool with the adjustable clamping range according to claim 1, characterized in that: activity clamping piece (3) through adjusting part with base (1) is connected, adjusting part includes a plurality of screw thread through-holes (13), locking bolt (14) and eccentric nut (15), and is a plurality of screw thread through-hole (13) are seted up be close to on base (1) the tip of the second end of recess (7), the one end of locking bolt (14) is worn to locate screw thread through-hole (13) and top are tight the lateral wall of activity clamping piece (3) to cooperation eccentric nut (15) are realized the fixed mounting of activity clamping piece (3).
7. The shock absorber fatigue test tool with the adjustable clamping range according to claim 6, characterized in that: be equipped with guide bar (16) on the lateral wall of base (1), be equipped with on movable clamping piece (3) with guide bar (16) complex blind hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120009185.8U CN213812852U (en) | 2021-01-04 | 2021-01-04 | Shock absorber fatigue test tool with adjustable clamping range |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120009185.8U CN213812852U (en) | 2021-01-04 | 2021-01-04 | Shock absorber fatigue test tool with adjustable clamping range |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213812852U true CN213812852U (en) | 2021-07-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120009185.8U Expired - Fee Related CN213812852U (en) | 2021-01-04 | 2021-01-04 | Shock absorber fatigue test tool with adjustable clamping range |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213812852U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115290309A (en) * | 2022-07-28 | 2022-11-04 | 西南交通大学 | Universal shock absorber test tool with adjustable point size |
| CN118464421A (en) * | 2024-07-11 | 2024-08-09 | 江苏鼎吉能源工程技术有限公司 | Damper loading force test tool |
-
2021
- 2021-01-04 CN CN202120009185.8U patent/CN213812852U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115290309A (en) * | 2022-07-28 | 2022-11-04 | 西南交通大学 | Universal shock absorber test tool with adjustable point size |
| CN118464421A (en) * | 2024-07-11 | 2024-08-09 | 江苏鼎吉能源工程技术有限公司 | Damper loading force test tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210727 Termination date: 20220104 |
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| CF01 | Termination of patent right due to non-payment of annual fee |