CN209992316U - 90 degrees bending fatigue's of net tail testing arrangement - Google Patents
90 degrees bending fatigue's of net tail testing arrangement Download PDFInfo
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- CN209992316U CN209992316U CN201920668364.5U CN201920668364U CN209992316U CN 209992316 U CN209992316 U CN 209992316U CN 201920668364 U CN201920668364 U CN 201920668364U CN 209992316 U CN209992316 U CN 209992316U
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- stop block
- net tail
- base
- fixed
- supporting plate
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- 238000012360 testing method Methods 0.000 title claims abstract description 35
- 238000005452 bending Methods 0.000 title claims abstract description 12
- 230000005484 gravity Effects 0.000 claims abstract description 4
- 238000005192 partition Methods 0.000 description 3
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009661 fatigue test Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a 90 degrees bending fatigue's of net tail testing arrangement, backup pad including vertical setting, fix the bottom plate that backup pad bottom level set up, fix backup pad top centre gripping net tail front end makes net tail front end is horizontality clamping device, hangs on the net tail rear end apply the counter weight device of vertical direction gravity to it. The utility model discloses a testing arrangement has improved the stability when net tail test, has improved the accuracy of work efficiency and test result, has reduced test error.
Description
Technical Field
The utility model relates to a net tail test equipment field, more specifically say, relate to a 90 degrees bending fatigue's of net tail testing arrangement.
Background
With the development of society and the continuous progress of science and technology, especially the continuous update of electronic products, the net tail is widely applied.
Among the prior art, when the net tail carries out 90 degrees bending fatigue tests, accomplish through simple manual operation, do not have dedicated test equipment, hold the front end of net tail with the hand usually, carry out the bending test that relapses with the weight to the rear end of net tail, the stability of this kind of test mode net tail is not enough, and the accuracy is not high, and the test result has certain error, and it is not convenient enough to operate, and work efficiency is lower, has wasted a large amount of manual works. Therefore, a special testing device is needed to replace simple manual operation, so that the stability of the net tail test is improved, the working efficiency and the accuracy of the test result are improved, and the test error is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the problem that exists among the prior art, provide a 90 degrees bending fatigue's of net tail testing arrangement.
In order to achieve the above purpose, the technical scheme of the utility model is that:
the utility model provides a 90 degrees bending fatigue's of net tail testing arrangement, includes the backup pad of vertical setting, fixes the bottom plate that backup pad bottom level set up, fix backup pad top centre gripping net tail front end makes net tail front end is the clamping device of horizontality, hangs on the net tail rear end exert the counter weight device of vertical direction gravity to it.
The clamping device comprises a supporting plate, a base, a first stop block, a second stop block and a pressing buckle mechanism, wherein one side of the supporting plate is fixedly connected with the rear half portion of the supporting plate and horizontally arranged, the base is fixed on the supporting plate, the first stop block is fixed to the base and is close to one end of the supporting plate, the second stop block is fixed to the base, the other end of the base is matched with the first stop block, and the pressing buckle mechanism is fixed to the base and is close to one end of the second stop block, matched with the first stop block and the second stop block and used.
A gap is formed between the first stop block and the second stop block, the shape and the size of the gap are matched with those of the front end of the net tail, and the first stop block and the second stop block are detachably fixed on the base through screws.
The pressing buckle mechanism comprises a base fixed on the base, a pair of side plates arranged on two opposite sides of the base, a first connecting piece located between the side plates and close to the second stop block, a second connecting piece located on the other side of the first connecting piece, a pressing handle located at the upper end of the side plates, a connecting rod fixed on the first connecting piece and close to one side of the second stop block, and a pressing buckle arranged at the lower end of the connecting rod, wherein the lower ends of the first connecting piece and the second connecting piece are respectively connected with the base in a rotating mode through a hinge shaft, the front end of the pressing handle is sequentially connected with the upper ends of the first connecting piece and the second connecting piece in a rotating mode through the hinge shaft, and the rear end of the pressing handle extends towards the direction far away from the first.
The shape and size of the pressing buckle correspond to the shape and size of a gap between the first stop block and the second stop block, and when the pressing handle is pressed down, the pressing buckle can press the front end of the net tail in the gap.
The distance between the first connecting sheet and the second connecting sheet is small at the top and large at the bottom, and the first connecting sheet and the second connecting sheet are splayed.
The counter weight device includes the weight, fixes couple, the one end of weight upper end are tied up hook portion of couple is gone up the other end and is tied up bandage on the net tail rear end, the weight is equipped with a plurality ofly, a plurality of weights quality difference each other.
The device also comprises an air cylinder vertically arranged on the bottom plate, a tray fixed at the top end of a piston rod of the air cylinder, and a controller for controlling the times and the interval time of extending or retracting the piston rod into the air cylinder.
When the top end of the piston rod is contracted to the minimum stroke, a gap is reserved between the tray and the bottom end of the weight, and the binding belt is in a tightening state.
When the top end of the piston rod extends to the maximum stroke, the tray is abutted against the bottom end of the weight, and the binding band is in a loose state.
The utility model has the advantages that:
the utility model discloses a testing arrangement has improved the stability when net tail test, has improved the accuracy of work efficiency and test result, has reduced test error.
Drawings
The following describes the present invention in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a left side view of the portion of fig. 1 without the snapping mechanism.
Fig. 3 is a schematic view of the net tail in a clamped state.
Fig. 4 is a schematic structural view of the press fastening mechanism of the present invention.
Detailed Description
In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention, and the technical effects obtained by the present invention easy to understand, the following detailed drawings are combined to further explain the embodiments of the present invention.
It should be noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
The net tail is usually arranged at the joint of the connector and the wiring harness, and the net tail is covered on the outer side of the wiring harness for protecting the wiring harness, and is usually in a grid shape. The specific shape is shown with reference to the net tail 18 in fig. 3.
As shown in fig. 1-3, when the net tail is pulled in a direction of 90 degrees from the central line thereof, in order to detect the bending fatigue performance of the tensile resistance, in this embodiment, a device for testing the bending fatigue of the net tail at 90 degrees is provided, which includes a vertically arranged support plate 6, a horizontally arranged bottom plate 16 fixed at the bottom end of the support plate 6, a clamping device fixed at the top of the support plate 6 for clamping the front end of the net tail 18 and making the front end of the net tail 18 in a horizontal state, and a counterweight device suspended at the rear end of the net tail 18 for applying a vertical gravity thereto.
Clamping device includes one side and the layer board 5 of the latter half fixed connection and the level setting of backup pad 6, fix base 1 on layer board 5, fix on base 1 and be close to the first dog 3 of backup pad 6 one end, fix on base 1 the other end and first dog 3 complex second dog 2, fix on base 1 and be close to second dog 2 one end and first dog 3 and second dog 2 cooperation and be used for compressing tightly the pressure of 18 front ends of net tail and detain the mechanism 17.
A gap 4 is formed between the first stop block 3 and the second stop block 2, the shape and the size of the gap 4 are matched with the shape and the size of the front end of the net tail 18, and the first stop block 3 and the second stop block 2 are detachably fixed on the base 1 through screws. During operation, the net tail 18 card is in clearance 4, and first dog 3 and second dog 2 can set up multiple shape and size, can change according to the difference of the shape and size of net tail 18 to can adapt to the net tail 18 of multiple model.
As shown in fig. 4, the press fastening mechanism 17 includes a base 176 fixed on the base 1, a pair of side plates 177 mounted on opposite sides of the base 176, a first connecting plate 173 located between the side plates 177 and near one end of the second stopper 2, a second connecting plate 172 located near the other end of the side plates 177, a press handle 171 located at the upper end of the side plates, a connecting rod 174 having one end fixed on the first connecting plate 173 and near one side of the second stopper 2, and a press fastener 175 mounted on the lower side of the other end of the connecting rod 174, the lower ends of the first connecting plate 173 and the second connecting plate 172 are respectively rotatably connected with the side plates 177 through hinge shafts, the front end of the press handle 171 is sequentially rotatably connected with the upper ends of the first connecting plate 173 and the second connecting plate 172 through hinge shafts, and the rear end of the press handle.
As shown in fig. 1, 3 and 4, the pressing buckle 175 has a shape and size corresponding to the shape and size of the gap 4 between the first stopper 3 and the second stopper 2, and when the pressing handle 171 is pressed down, the pressing buckle 175 can press the front end of the net tail 18 into the gap 4.
The distance between the first connecting piece 173 and the second connecting piece 172 is small at the top and large at the bottom, and the first connecting piece 173 and the second connecting piece 172 are in a splayed shape.
As shown in fig. 1-2, the counterweight device comprises a plurality of weights 10, a hook 9 fixed at the upper end of the weight 10, and a binding band 8 with one end bound to the hook part of the hook 9 and the other end bound to the rear end of a net tail 18, wherein the weights 10 are different in mass. The bending fatigue resistance of the net tail can be tested by loading weights with different masses. The binding band 8 can be bound on the connection position of the wiring harness or the connection line connected with the rear end of the net tail 18 during testing, and the operation is more convenient.
Further, the device comprises an air cylinder 14 vertically arranged on the bottom plate 16, a tray 11 fixed at the top end of a piston rod 12 of the air cylinder 14, and a controller for controlling the times and intervals of extending or retracting the piston rod 11 into or out of the air cylinder 14. The controller may be mounted in a suitable location as desired, the controller including a CPU.
When the top end of the piston rod 12 is contracted to the minimum stroke, a gap is formed between the tray 11 and the bottom end of the weight 10, and the binding band 8 is in a tightened state, so that the rear end of the net tail 18 is ensured to bear the pulling force from the binding band 8 at 90 degrees to the horizontal direction of the rear end.
When the top end of the piston rod 12 extends to the maximum stroke, the tray 11 is abutted against the bottom end of the weight 10, the binding band 8 is in a loose state, and at the moment, the rear end of the net tail 18 is free without the tension of the binding band 8. Through the repeated extension and retraction of the piston rod 12 of the air cylinder 14 and the control of the interval time by the controller, the binding band 8 can be continuously switched between the tightening state and the loosening state, further manual operation is replaced, the operation is more convenient, and the working efficiency is higher.
A partition plate 13 is provided at the top end of the cylinder 14, and the partition plate 13 is provided with a through hole for allowing the piston rod 12 to pass therethrough. The upper end of the cylinder 14 may be fixed to the partition 13, which may increase the stability of the cylinder 14. In that
The above embodiments and drawings are only for illustrating the technical solutions of the present invention and do not constitute a limitation to the present invention, it should be noted that a person skilled in the art may modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for part or all of the technical features, and these modifications or substitutions should be included in the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a 90 degrees bending fatigue's of net tail testing arrangement which characterized in that: the net tail comprises a vertically arranged supporting plate, a bottom plate fixed to the bottom end of the supporting plate in a horizontal mode, a clamping device fixed to the top of the supporting plate and used for clamping the net tail front end, and a counterweight device hung on the rear end of the net tail and used for applying gravity in the vertical direction to the clamping device.
2. The test device of claim 1, wherein: the clamping device comprises a supporting plate, a base, a first stop block, a second stop block and a pressing buckle mechanism, wherein one side of the supporting plate is fixedly connected with the rear half portion of the supporting plate and horizontally arranged, the base is fixed on the supporting plate, the first stop block is fixed to the base and is close to one end of the supporting plate, the second stop block is fixed to the base, the other end of the base is matched with the first stop block, and the pressing buckle mechanism is fixed to the base and is close to one end of the second stop block, matched with the first stop block and the second stop block and used.
3. The test device of claim 2, wherein: a gap is formed between the first stop block and the second stop block, the shape and the size of the gap are matched with those of the front end of the net tail, and the first stop block and the second stop block are detachably fixed on the base through screws.
4. The test device of claim 2, wherein: the pressing and buckling mechanism comprises a base fixed on the base, a pair of side plates arranged on two opposite sides of the base, a first connecting piece located between the side plates and close to one end of a second stop block, a second connecting piece located at the other end of the side plates, a pressing handle located at the upper end of the side plates, a connecting rod with one end fixed on the first connecting piece and close to one side of the second stop block, and a pressing buckle located on the lower side of the other end of the connecting rod, wherein the lower ends of the first connecting piece and the second connecting piece are respectively connected with the side plates in a rotating mode through hinge shafts, the front end of the pressing handle is sequentially connected with the upper ends of the first connecting piece and the second connecting piece in a rotating mode through the hinge shafts, and the rear end of the pressing handle.
5. The test device of claim 4, wherein: the shape and size of the pressing buckle correspond to the shape and size of a gap between the first stop block and the second stop block, and when the pressing handle is pressed down, the pressing buckle can press the front end of the net tail in the gap.
6. The test device of claim 4, wherein: the distance between the first connecting sheet and the second connecting sheet is small at the top and large at the bottom, and the first connecting sheet and the second connecting sheet are splayed.
7. The test device of claim 1, wherein: the counter weight device includes the weight, fixes couple, the one end of weight upper end are tied up hook portion of couple is gone up the other end and is tied up bandage on the net tail rear end, the weight is equipped with a plurality ofly, a plurality of weights quality difference each other.
8. The test device of claim 1, wherein: the device also comprises an air cylinder vertically arranged on the bottom plate, a tray fixed at the top end of a piston rod of the air cylinder, and a controller for controlling the times and the interval time of extending or retracting the piston rod into the air cylinder.
9. The test device of claim 8, wherein: when the top end of the piston rod is contracted to the minimum stroke, a gap is reserved between the tray and the bottom end of the weight, and the binding belt is in a tightening state.
10. The test device of claim 8, wherein: when the top end of the piston rod extends to the maximum stroke, the tray is abutted against the bottom end of the weight, and the binding band is in a loose state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920668364.5U CN209992316U (en) | 2019-05-10 | 2019-05-10 | 90 degrees bending fatigue's of net tail testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920668364.5U CN209992316U (en) | 2019-05-10 | 2019-05-10 | 90 degrees bending fatigue's of net tail testing arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209992316U true CN209992316U (en) | 2020-01-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920668364.5U Expired - Fee Related CN209992316U (en) | 2019-05-10 | 2019-05-10 | 90 degrees bending fatigue's of net tail testing arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209992316U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112557177A (en) * | 2020-12-28 | 2021-03-26 | 上海天祥质量技术服务有限公司 | Plug side-pulling test method |
| CN113219582A (en) * | 2021-04-27 | 2021-08-06 | 烽火通信科技股份有限公司 | Optical fiber and device for measuring lateral surface compression performance of optical fiber |
-
2019
- 2019-05-10 CN CN201920668364.5U patent/CN209992316U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112557177A (en) * | 2020-12-28 | 2021-03-26 | 上海天祥质量技术服务有限公司 | Plug side-pulling test method |
| CN113219582A (en) * | 2021-04-27 | 2021-08-06 | 烽火通信科技股份有限公司 | Optical fiber and device for measuring lateral surface compression performance of optical fiber |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211028 Address after: 518000 buildings 1101, 1, 3, 5 and 7 of Leli Precision Industry (Shenzhen) Co., Ltd., Fuhai Avenue West Road, Heping community, Fuhai street, Bao'an District, Shenzhen, Guangdong Province Patentee after: Shenzhen LeYang Electric Wire Appliance Co.,Ltd. Address before: 518000 Baoan District Fuyong Town, Guangdong, Shenzhen Patentee before: LOROM PRECISION INDUSTRY (SHENZHEN) Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200124 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |