CN220040200U - Geogrid welding point limit peeling force test device - Google Patents
Geogrid welding point limit peeling force test device Download PDFInfo
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- CN220040200U CN220040200U CN202223582356.XU CN202223582356U CN220040200U CN 220040200 U CN220040200 U CN 220040200U CN 202223582356 U CN202223582356 U CN 202223582356U CN 220040200 U CN220040200 U CN 220040200U
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- fixedly connected
- geogrid
- welding point
- force test
- fixing
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- 238000003466 welding Methods 0.000 title claims abstract description 33
- 238000012360 testing method Methods 0.000 title claims abstract description 32
- 230000000149 penetrating effect Effects 0.000 claims abstract 2
- 230000000694 effects Effects 0.000 abstract description 6
- 238000005259 measurement Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000003365 glass fiber Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 210000002435 tendon Anatomy 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a geogrid welding point limit peeling force test device which comprises a base, wherein fixing frames are fixedly connected to the two ends of the upper part of the base, a top plate is fixedly connected to the upper end of the fixing frames, a connecting table is fixedly connected to the upper part of the base, fixing plates are fixedly connected to the two ends of the upper part of the connecting table, a second air cylinder is fixedly connected to the outer side of the fixing plates, fixing blocks are arranged inwards in penetrating mode of the output ends of the second air cylinder, the fixing blocks can drive U-shaped pieces at the upper end to move through the arrangement of second air cylinder components, the two U-shaped pieces can move relatively, the U-shaped pieces can be matched with the two ends of a grid body to achieve the clamping effect, the double fixing effect of the U-shaped pieces can be achieved through screws, the stability of the geogrid is guaranteed to be enough when the geogrid is subjected to peeling force test, the condition that the geogrid falls off during upward peeling is avoided, and the overall stability and the accuracy of peeling force test are improved.
Description
Technical Field
The utility model relates to the field of civil grille, in particular to a device for testing limit stripping force of a welding point of a geogrid.
Background
The civil grid is a two-dimensional grid or a three-dimensional grid screen with a certain height, which is formed by thermoplastic or mould pressing of high molecular polymers such as polypropylene, polyvinyl chloride and the like, and is called as a geogrid when being used in civil engineering, and the geogrid is a main geosynthetic material and has unique performance and efficacy compared with other geosynthetic materials. Geogrids are commonly used as tendons for reinforced earth structures or tendons for composite materials, etc. Geogrids are divided into four categories, namely plastic geogrids, steel-plastic geogrids, glass fiber geogrids and glass fiber polyester geogrids;
the warp-knitted geogrid needs to be subjected to a welding point limit peeling force test before being used, so that the performance of the warp-knitted geogrid is ensured to be normal and the warp-knitted geogrid can be used, and at present, when the warp-knitted geogrid is subjected to the welding point limit peeling force test, due to the lack of a corresponding fixing device, deformation is easily generated under the action of traction force in the test process, so that the conditions of lower precision of test measurement data and larger deviation of test results occur.
Disclosure of Invention
The utility model aims to provide a geogrid welding point limit peeling force test device, which solves the problems that in the prior art, due to the lack of a corresponding fixing device, deformation is easy to generate under the action of traction force in the test process, so that the test measurement data precision is low and the test result deviation is large.
In order to achieve the above purpose, the utility model adopts the following technical scheme that the geogrid welding point limit peeling force test device comprises a base, wherein the two ends of the upper part of the base are fixedly connected with a fixing frame, the upper end of the fixing frame is fixedly connected with a top plate, the upper part of the base is fixedly connected with a connecting table, the two ends of the upper part of the connecting table are fixedly connected with a fixing plate, and the outer side of the fixing plate is fixedly connected with a second cylinder;
the output of second cylinder runs through inwards and is provided with the fixed block, the upper end fixedly connected with U type spare of fixed block, the inside of U type spare corresponds and is provided with the grid body.
As a further description of the above technical solution: the upper end threaded connection of U type spare has the screw rod, the lower extreme of screw rod contacts with the upper end of grid body.
As a further description of the above technical solution: the upper side both sides of connecting table are seted up fluting, the lower extreme fixedly connected with second slider of fixed block, second slider and fluting sliding connection.
As a further description of the above technical solution: the top of roof both sides fixedly connected with first cylinder, the output of first cylinder runs through and is provided with the connecting plate downwards, and connecting plate sliding connection is on the mount.
As a further description of the above technical solution: the inside of connecting plate is provided with driving motor, driving motor's output runs through inwards and is provided with the lead screw, threaded connection has the screw thread piece on the lead screw.
As a further description of the above technical solution: the lower extreme fixedly connected with tension sensor of screw thread piece, tension sensor's lower extreme is provided with the couple, the inside fixedly connected with slide bar of connecting plate, sliding connection has first slider on the slide bar, and the lower extreme and the screw thread piece fixed connection of first slider.
As a further description of the above technical solution: the support frames are fixedly connected to the two ends of the lower portion of the base.
The utility model has the following beneficial effects:
1. compared with the prior art, the geogrid welding point limit stripping force test device has the advantages that the second air cylinder assembly is arranged, the fixing block can drive the U-shaped pieces at the upper end to move, the two U-shaped pieces can move relatively, the U-shaped pieces can be matched with the two ends of the geogrid body to realize the clamping effect, the double fixing effect can be realized through the screw rod, the geogrid is ensured to have enough stability when the geogrid is subjected to the stripping force test, the situation that the geogrid falls off when the geogrid is stripped upwards is avoided, and the overall stability and the accuracy of the stripping force test are improved;
2. compared with the prior art, the geogrid welding point limit peeling force test device has the advantages that the first air cylinder and the hooks are arranged to correspond to the positions of the welding points of the geogrid, the peeling force of the whole welding point can be measured by upward pulling of the hooks in the experiment, and the measuring result can be obtained by the pulling force sensor in the pulling process, so that the convenience of the device is realized;
3. compared with the prior art, the geogrid welding point limit peeling force test device can enable the whole hook to transversely move by arranging the screw assembly, so that adjustment can be made according to the difference of the positions of the lower grid welding points, and the geogrid welding point limit peeling force test device can be suitable for grid peeling force experimental work under different conditions.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The utility model is further illustrated by the following figures and examples;
FIG. 1 is a schematic diagram of the overall structure of a geogrid welding point limit peel force test device;
FIG. 2 is a schematic diagram of the structure of FIG. 1A;
FIG. 3 is a schematic diagram of the structure of FIG. 1B;
fig. 4 is a perspective view of a connection table of the geogrid welding point limit peel force test device according to the present utility model.
Legend description:
1. a first cylinder; 2. a top plate; 3. a connecting plate; 4. a base; 5. a support frame; 6. a second cylinder; 7. a fixing frame; 8. a driving motor; 9. a screw; 10. a U-shaped piece; 11. a fixed block; 12. a grill body; 13. a first slider; 14. a screw rod; 15. a tension sensor; 16. a hook; 17. a screw block; 18. a slide bar; 19. a fixing plate; 20. a connection station; 21. a second slider; 22. and (5) grooving.
Detailed Description
Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.
Referring to fig. 1-4, one embodiment provided by the present utility model is: the utility model provides a geogrid welding point limit peeling force test device, includes base 4, the top both ends fixedly connected with mount 7 of base 4, the upper end fixedly connected with roof 2 of mount 7, the top fixedly connected with connection table 20 of base 4, the top both ends fixedly connected with fixed plate 19 of connection table 20, the outside fixedly connected with second cylinder 6 of fixed plate 19;
the output end of the second air cylinder 6 penetrates through the fixing block 11 which is internally provided with the U-shaped piece 10, the upper end of the fixing block 11 is fixedly connected with the U-shaped piece 10, the grid body 12 is correspondingly arranged in the U-shaped piece 10, the upper end of the U-shaped piece 10 is in threaded connection with the screw 9, the lower end of the screw 9 is in contact with the upper end of the grid body 12, the grid body 12 needing to be subjected to a measurement experiment is placed at the middle position of the two U-shaped pieces 10, the second air cylinder 6 at the two ends is started to enable the fixing block 11 to drive the U-shaped pieces 10 above to move, the two U-shaped pieces 10 relatively move to realize clamping work on the grid body 12, and the screw 9 at the upper end is screwed to realize secondary fastening action, so that the stability of the whole grid body 12 in the measurement experiment is improved;
the upper two sides of the connecting table 20 are provided with the grooves 22, the lower end of the fixed block 11 is fixedly connected with the second sliding block 21, the second sliding block 21 is in sliding connection with the grooves 22, and the stability of the whole fixed block 11 in sliding can be ensured by arranging the grooves 22 and the second sliding block 21;
the top both sides fixedly connected with first cylinder 1 of roof 2, the output of first cylinder 1 runs through and is provided with connecting plate 3 downwards, and connecting plate 3 sliding connection is on mount 7, the inside of connecting plate 3 is provided with driving motor 8, driving motor 8's output runs through inwards and is provided with screw 14, can make inside screw 14 rotate through starting driving motor 8, threaded connection has screw 17 on screw 14, the lower extreme fixedly connected with tension sensor 15 of screw 17, the lower extreme of tension sensor 15 is provided with couple 16, the inside fixedly connected with slide bar 18 of connecting plate 3, sliding connection has first slider 13 on the slide bar 18, and the lower extreme and the screw 17 fixed connection of first slider 13, first slider 13 and slide bar 18 of upper end can be realized the restriction effect to screw 17, and can make the rotation drive screw 17 carry out lateral movement in screw 14 under the effect, thereby adjust grid welding point position's of lower couple 16 according to the difference of grid, can be applicable to the grid under the different circumstances, the grid is pulled down and first slider 13, thereby can be used for the work lift off the first cylinder 1 of joint body at the position of coupler 16, the work can be realized in the upper end of the work of coupler 16, the work can be pulled up the cylinder 12, the work can be carried out the joint body at the upper end of coupler 16, the work can be pulled down at the position of coupler 16, the work coupler 16 is realized, the work can be realized in the joint 1, the work coupler 16 is pulled up at the position of the upper end of coupler 16, the joint body is pulled 1, the work is realized, and the position is pulled down is 16, and the position is adjusted. The display screen is arranged on the tension sensor 15, so that the whole tension value can be checked until the hook 16 peels off the whole welding point, and the limit peeling force of the welding point of the whole civil grid can be measured and tested;
the support frame 5 is fixedly connected with at the below both ends of base 4, can carry out the supporting role to whole device through the support frame 5 of bottom, guarantees the stability of device.
Working principle: when the device is used, firstly, the grid body 12 needing to be subjected to measurement experiments is placed at the middle position of two U-shaped pieces 10, the second air cylinders 6 at the two ends are started to enable the fixing blocks 11 to drive the U-shaped pieces 10 at the upper part to move, the two U-shaped pieces 10 can relatively move to achieve clamping work of the grid body 12, the screw 9 at the upper end is screwed to achieve secondary fastening action of the two U-shaped pieces, stability of the whole grid body 12 in measurement experiments is improved, then the first air cylinders 1 are started to drive the connecting plate 3 to move downwards, therefore, workers can clamp the hooks 16 at the lower end at the net-shaped welding point positions of the grid body 12, after the clamping is completed, the first air cylinders 1 are started continuously, the connecting plate 3 can drive the hooks 16 at the lower part to move upwards, the welding point of the grid body 12 can be pulled in the upward movement process, the pulling work of the welding point is achieved, and the hooks 16 can apply pulling force on the pulling force sensor 15 at the upper end in the pulling process. Be provided with the display screen on the tension sensor 15, can look over whole pulling force value until couple 16 peels off whole welding point to can measure experimental work to whole civil grid's welding point limit peel force, whole measurement experimental process is stable effective, and the precision is high.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (7)
1. The utility model provides a geogrid welding point limit peel force test device, includes base (4), its characterized in that: the device is characterized in that fixing frames (7) are fixedly connected to two ends of the upper portion of the base (4), a top plate (2) is fixedly connected to the upper end of the fixing frames (7), a connecting table (20) is fixedly connected to the upper portion of the base (4), fixing plates (19) are fixedly connected to two ends of the upper portion of the connecting table (20), and a second air cylinder (6) is fixedly connected to the outer side of the fixing plates (19);
the output end of the second air cylinder (6) penetrates through the fixing block (11) and is internally provided with the fixing block, the upper end of the fixing block (11) is fixedly connected with the U-shaped piece (10), and the inner part of the U-shaped piece (10) is correspondingly provided with the grid body (12).
2. The geogrid welding point limit peeling force test device according to claim 1, wherein the upper end of the U-shaped piece (10) is connected with a screw rod (9) in a threaded manner, and the lower end of the screw rod (9) is contacted with the upper end of the grid body (12).
3. The geogrid welding point limit peeling force test device according to claim 1, wherein grooves (22) are formed in two sides above the connecting table (20), a second sliding block (21) is fixedly connected to the lower end of the fixing block (11), and the second sliding block (21) is in sliding connection with the grooves (22).
4. The geogrid welding point limit peeling force test device according to claim 1, wherein first air cylinders (1) are fixedly connected to two sides above the top plate (2), output ends of the first air cylinders (1) penetrate through and are downwards provided with connecting plates (3), and the connecting plates (3) are connected to the fixing frame (7) in a sliding mode.
5. The geogrid welding point limit peeling force test device according to claim 4, wherein a driving motor (8) is arranged in the connecting plate (3), a lead screw (14) is arranged at the output end of the driving motor (8) in a penetrating manner, and a threaded block (17) is connected to the lead screw (14) in a threaded manner.
6. The geogrid welding point limit peeling force test device according to claim 5, wherein a tension sensor (15) is fixedly connected to the lower end of the threaded block (17), a hook (16) is arranged at the lower end of the tension sensor (15), a sliding rod (18) is fixedly connected to the inside of the connecting plate (3), a first sliding block (13) is slidingly connected to the sliding rod (18), and the lower end of the first sliding block (13) is fixedly connected with the threaded block (17).
7. The geogrid welding point limit peeling force test device according to claim 1, wherein supporting frames (5) are fixedly connected to two ends of the lower portion of the base (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223582356.XU CN220040200U (en) | 2022-12-31 | 2022-12-31 | Geogrid welding point limit peeling force test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223582356.XU CN220040200U (en) | 2022-12-31 | 2022-12-31 | Geogrid welding point limit peeling force test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220040200U true CN220040200U (en) | 2023-11-17 |
Family
ID=88738046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223582356.XU Active CN220040200U (en) | 2022-12-31 | 2022-12-31 | Geogrid welding point limit peeling force test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220040200U (en) |
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2022
- 2022-12-31 CN CN202223582356.XU patent/CN220040200U/en active Active
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