CN219799008U - Grid area separating force test fixture - Google Patents
Grid area separating force test fixture Download PDFInfo
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- CN219799008U CN219799008U CN202321215500.8U CN202321215500U CN219799008U CN 219799008 U CN219799008 U CN 219799008U CN 202321215500 U CN202321215500 U CN 202321215500U CN 219799008 U CN219799008 U CN 219799008U
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- 238000012360 testing method Methods 0.000 title claims abstract description 19
- 238000000429 assembly Methods 0.000 claims abstract description 18
- 230000000712 assembly Effects 0.000 claims abstract description 18
- 238000000926 separation method Methods 0.000 claims description 11
- 230000000694 effects Effects 0.000 claims description 2
- 238000009864 tensile test Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 210000002435 tendon Anatomy 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 210000003205 muscle Anatomy 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
- 238000002474 experimental method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000001612 separation test Methods 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The utility model provides a grid belt separating force test fixture which comprises two clamping assemblies, a fixture base and polish rods, wherein the two clamping assemblies are respectively arranged on the left side and the right side of the lower surface of the fixture base, the two polish rods are respectively arranged on the front side and the rear side of the lower surface of the fixture base, the polish rods are fixedly connected with the fixture base through supports arranged at two ends of a rod body, the two polish rods correspondingly and movably pass through the two clamping assemblies, a connecting seat is arranged in the center of the upper surface of the fixture base, and positioning assemblies for positioning the positions of the clamping assemblies are arranged on the front end surface and the rear end surface of the fixture base. Two sets of clamping components can move to the center of the clamp base along the polish rod simultaneously or independently, and can also move to two sides of the clamp base along the polish rod simultaneously or independently, and the distance between the two sets of clamping components can be determined through the positioning component, so that the problem that the distance between clamping points cannot be adjusted by the existing clamp is solved.
Description
Technical Field
The utility model belongs to the technical field of grid belt clamps, and particularly relates to a grid belt separating force testing clamp.
Background
The geosynthetic material is a generic term of polymer synthetic materials applied to civil engineering and is a novel geotechnical engineering material indispensable for the construction of modern infrastructure. The geosynthetic material has the main functions of reinforcement, isolation, seepage prevention, water drainage prevention, protection, pavement crack prevention and the like, so that the geosynthetic material is widely applied to highway engineering construction.
The geogrid is a kind of geosynthetic material, and is a reinforced geosynthetic material with regular grid pattern formed by combining transversely and longitudinally distributed brace-belt units, and the openings of the geogrid can be embedded by filling materials. In order to ensure that the mechanical and durability indexes of the geogrid meet the standards, the grid belt before delivery is subjected to relevant detection, and the connection point limit separating force test is one of the tests. When the ultimate separating force test is carried out, the special clamps for the separating tensile test are respectively arranged at the upper end and the lower end of the tensile testing machine, the transverse rib belts of the sample are clamped in one clamp, the longitudinal rib belts are clamped and fixed to the other clamp, the tensile testing machine is started to carry out the separating test of the connecting point of the sample until the connecting point is completely separated, the machine can be stopped, and the maximum separating force during the separation is recorded.
In the traffic industry standard JT/T1432.1-2022, the connection point limit separating force experimental method provides that the clamping length of a sample is 2 times of the width of a sample tendon and is not less than 50MM, the existing clamps are mostly of fixed widths, the spacing of clamping points cannot be adjusted, and different clamps are required to be used for samples with different sizes, so that a plurality of sets of clamps are required to be prepared, and the practical use is very inconvenient.
Disclosure of Invention
In view of the drawbacks noted in the background art, an object of the present utility model is to provide a grid strap separating force testing jig, which solves the problems set forth in the background art.
In order to achieve the above object, the technical scheme of the present utility model is as follows:
the utility model provides a grid area separating force test fixture, includes clamping assembly, anchor clamps base and polished rod, the quantity of clamping assembly is two sets of, two sets of clamping assembly divides the left and right sides at anchor clamps base lower surface, the quantity of polished rod is two sets of, two sets of the polished rod divides the front and back both sides at anchor clamps base lower surface, the polished rod passes through the support and the anchor clamps base fixed connection that set up at pole body both ends, two sets of the polished rod corresponds the activity and passes two sets of clamping assembly, two sets of clamping assembly follows the polished rod is simultaneously or alone to the clamp base center removes, simultaneously or alone moves to the anchor clamps base both sides along the polished rod, clamp base upper surface center is provided with the connecting seat that an organic whole formed, terminal surface is provided with the locating component that is used for locating the clamping assembly to locate around the anchor clamps base.
As a preferred technical scheme, the clamping assembly sequentially comprises an upper base, a movable seat and a lower base from top to bottom, wherein the upper base is fixedly connected with the lower base through two groups of connecting columns which movably penetrate through the movable seat, two groups of sliding seats are arranged on the upper surface of the upper base, two groups of polished rods correspondingly movably penetrate through the two groups of sliding seats, an adjusting bolt is connected with the lower base through a threaded hole arranged in the center, the end part of the adjusting bolt penetrates through the threaded hole to abut against the end face of the movable seat, long round holes extending along the length direction of the left side and the right side of the clamp base are respectively formed in the left side and the right side of the clamp base, a bolt column is arranged in the center of the upper surface of the upper base, and the end part of the bolt column penetrates through the long round holes and is connected with nuts.
As an optimized technical scheme, the connecting column is sleeved with springs, and the springs are respectively propped against the movable seat and the upper base.
As a preferable technical scheme, the lower surface of the upper base is provided with a tooth holder a, the upper surface of the movable base is provided with a tooth holder B, and the tooth surface of the tooth holder B is meshed when contacting with the tooth surface of the tooth holder a.
As a preferable technical scheme, the positioning assembly comprises graduated scales which are separately fixed on the front end face and the rear end face of the clamp base, and positioning marks pointing to the graduated scales are respectively fixed on two sides of the top of the clamping assembly.
As a preferable technical scheme, the scales of the graduated scale are increased from the center to two sides.
As a preferable technical scheme, one side end face of the locating mark is coplanar with the central plane of the clamping assembly in the width direction.
After the technical scheme is adopted, the utility model has the beneficial effects that:
the clamp base is connected and fixed with the tensile testing machine through the connecting seat, the two groups of clamping assemblies can move towards the center of the clamp base along the polished rod simultaneously or independently, and can also move towards the two sides of the clamp base simultaneously or independently, the clamping assemblies can be locked on the polished rod through the rotating nuts, the distance between the two groups of clamping assemblies can be determined through the positioning assemblies, and the problem that the distance between clamping points of an existing clamp cannot be adjusted is solved.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a front view of the present utility model.
Fig. 2 is a perspective view of the present utility model.
Fig. 3 is another view of fig. 2.
Fig. 4 is a schematic diagram of the operation of the present utility model.
In the figure: 1. the fixture comprises a fixture base, 2, a connecting seat, 3, a graduated scale, 4, a polished rod, 5, a support, 6, an upper base, 7, a sliding seat, 8, a locating mark, 9, a movable seat, 10, a lower base, 11, a connecting column, 12, a spring, 13, an adjusting bolt, 14, a bolt column, 15, a slotted hole, 16, a tooth seat A,17, a nut, 18 and a tooth seat B.
Detailed Description
Features and exemplary embodiments of various aspects of the present utility model will be described in detail below, and in order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be described in further detail below with reference to the accompanying drawings and the detailed embodiments. It should be understood that the specific embodiments described herein are merely configured to illustrate the utility model and are not configured to limit the utility model. It will be apparent to one skilled in the art that the present utility model may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the utility model by showing examples of the utility model.
The directional terms appearing in the following description are those directions shown in the drawings and do not limit the specific structure of the utility model. In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected. The specific meaning of the above terms in the present utility model can be understood as appropriate by those of ordinary skill in the art.
In connection with fig. 1, an embodiment provides a grid strap separation force testing jig for geogrid connection point limit separation force test, which basically comprises a clamping assembly, a jig base 1 and a polish rod 4. The number of the polish rods 4 is two, the two polish rods 4 are symmetrically arranged on the front side and the rear side of the lower surface of the clamp base 1, the length direction of the polish rods 4 is consistent with the length direction of the clamp base 1, and the polish rods 4 are fixedly connected with the clamp base 1 through supports 5 arranged at two ends of the rod body. The number of the clamping assemblies is two, the two groups of clamping assemblies are respectively arranged on the left side and the right side of the lower surface of the clamp base 1, and the two groups of polished rods 4 correspondingly pass through the two groups of clamping assemblies. The center of the upper surface of the clamp base 1 is provided with a connecting seat 2 which is integrally formed, and the clamp base 1 is connected and fixed with a tensile testing machine through the connecting seat 2. Two sets of clamping components can move to the center of the clamp base 1 along the polish rod 4 simultaneously or independently, and can also move to two sides of the clamp base 1 along the polish rod 4 simultaneously or independently, so that the free adjustment of the clamping components on the clamp base 1 is realized, and the problem that the prior clamp cannot adjust the spacing between clamping points is solved.
Referring to fig. 1 to 3, the clamping assembly in the embodiment includes an upper base 6, a movable seat 9 and a lower base 10 from top to bottom, and the widths of the upper base 6 and the movable seat 9 are consistent. Two groups of sliding seats 7 are arranged on the upper surface of the upper base 6, and the two groups of polish rods 4 correspondingly pass through the two groups of sliding seats 7. The upper base 6 is fixedly connected with the lower base 10 through two groups of connecting posts 11 which movably penetrate through the movable seat 9, the lower base 10 is connected with an adjusting bolt 13 through a threaded hole arranged in the center, and the end part of the adjusting bolt 13 penetrates through the threaded hole to abut against the end face of the movable seat 9. The tip of sample is placed between upper base 6 and movable seat 9, rotates adjusting bolt 13, and adjusting bolt 13's tip can be close gradually and jack-up movable seat 9, and movable seat 9 is jacked up by adjusting bolt 13 and is close gradually upper base 6, and then accomplishes the fixed of sample.
In addition, the lower surface of the upper base 6 is provided with a tooth holder a16, the upper surface of the movable holder 9 is provided with a tooth holder B18, and the tooth surface of the tooth holder B18 is engaged with the tooth surface of the tooth holder a16 when in contact therewith, so that the friction force with the sample is increased, and the anti-drop function is achieved. In order to ensure that the movable seat 9 can automatically reset along with the adjusting bolt 13 when the adjusting bolt 13 is reversely rotated, a spring 12 is sleeved on the outer surface of the connecting column 11, and the spring 12 is respectively propped against the movable seat 9 and the upper base 6. The left and right sides of anchor clamps base 1 have offered respectively along its long round hole 16 that extends of length direction, and upper base 6 upper surface center is provided with bolt post 14, and bolt post 14 tip is passed long round hole 16 and is connected with nut 17. The clamping assembly can be locked on the polish rod 4 by rotating the nut 17, so that the clamping assembly cannot move in the experimental process to interfere with the experimental result.
In order to clearly know the distance between the two groups of clamping assemblies, positioning assemblies for positioning the positions of the clamping assemblies are arranged on the front end face and the rear end face of the clamp base 1. The positioning component comprises graduated scales 3 which are fixed on the front end face and the rear end face of the clamp base 1 in a separated mode, and positioning marks 8 pointing to the graduated scales 3 are respectively fixed on two sides of the top of the clamping component. The scales arranged on the graduated scale 3 are increased from the center to two sides. One side end surface of the locating mark 8 is coplanar with the central plane of the clamping assembly in the width direction.
When the tensile testing machine is used, the clamps are respectively arranged at the upper end and the lower end of the tensile testing machine, the positions of the two groups of clamping assemblies on the polished rod 4 are adjusted according to the sizes of the samples, scales indicated by the two groups of positioning marks 8 are recorded, and the sum of the scales is the distance between the two groups of clamping assemblies. As shown in fig. 4, the specimen transverse tendons are clamped in one of the clamps, and the longitudinal tendons are clamped and fixed to the other clamp. The muscle area tip is placed between clamping assembly's upper base 6 and movable seat 9, rotates adjusting bolt 13, and adjusting bolt 13's tip can be close to gradually and jack up movable seat 9, and movable seat 9 is jacked up by adjusting bolt 13 and is close to upper base 6 gradually, and then accomplishes the fixed of muscle area. And starting the tensile testing machine to perform a separation test of the sample connection point until the connection point is completely separated, stopping the machine, and recording the maximum separation force during separation.
In accordance with the above embodiments of the utility model, these embodiments are not exhaustive of all details, nor are they intended to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model and various modifications as are suited to the particular use contemplated. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. A grid area separating force test fixture which characterized in that: including clamping assembly, anchor clamps base (1) and polished rod (4), clamping assembly's quantity is two sets of, two sets of clamping assembly divides the left and right sides at anchor clamps base (1) lower surface, polished rod (4)'s quantity is two sets of, two sets of polished rod (4) divide to put in the front and back both sides of anchor clamps base (1) lower surface, polished rod (4) are through setting up support (5) and anchor clamps base (1) fixed connection at the pole body both ends, two sets of polished rod (4) correspond the activity and pass two sets of clamping assemblies, two sets of clamping assembly follow polished rod (4) are simultaneously or singly to anchor clamps base (1) center removal, simultaneously or singly follow polished rod (4) to anchor clamps base (1) both sides, anchor clamps base (1) upper surface center is provided with connecting seat (2) that an organic whole formed, terminal surface is provided with the locating component that is used for locating clamping assembly place around anchor clamps base (1).
2. A grid strap separation force test fixture as set forth in claim 1, wherein: the clamping assembly sequentially comprises an upper base (6), a movable seat (9) and a lower base (10) from top to bottom, wherein the upper base (6) is fixedly connected with the lower base (10) through two groups of connecting columns (11) which movably penetrate through the movable seat (9), two groups of sliding seats (7) are arranged on the upper surface of the upper base (6), two groups of polished rods (4) correspondingly move through the two groups of sliding seats (7), the lower base (10) is connected with an adjusting bolt (13) through a threaded hole formed in the center, the end part of the adjusting bolt (13) penetrates through the threaded hole to abut against the end face of the movable seat (9), slotted holes extending along the length direction of the slotted holes are respectively formed in the left side and the right side of the clamp base (1), bolt columns (14) are arranged in the center of the upper surface of the upper base (6), and the end parts of the bolt columns (14) penetrate through the long slotted holes and are connected with nuts (17).
3. A grid strap separation force test fixture as set forth in claim 2, wherein: the connecting column (11) is sleeved with a spring (12), and the spring (12) is respectively propped against the movable seat (9) and the upper base (6).
4. A grid strap separation force test fixture as set forth in claim 3, wherein: the upper base (6) is characterized in that a tooth holder A (16) is arranged on the lower surface of the upper base, a tooth holder B (18) is arranged on the upper surface of the movable seat (9), and the tooth surface of the tooth holder B (18) is meshed with the tooth surface of the tooth holder A (16) when contacting.
5. A grid strap separation force test fixture as set forth in claim 1, wherein: the positioning assembly comprises graduated scales (3) which are respectively fixed on the front end face and the rear end face of the clamp base (1), and positioning marks (8) pointing to the graduated scales (3) are respectively fixed on two sides of the top of the clamping assembly.
6. A grid strap separation force test fixture as set forth in claim 5, wherein: the scales arranged on the graduated scale (3) are increased from the center to two sides.
7. The grid strap separation force test fixture of claim 6, wherein: one side end surface of the locating mark (8) is coplanar with the central plane of the clamping component in the width direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321215500.8U CN219799008U (en) | 2023-05-19 | 2023-05-19 | Grid area separating force test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321215500.8U CN219799008U (en) | 2023-05-19 | 2023-05-19 | Grid area separating force test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219799008U true CN219799008U (en) | 2023-10-03 |
Family
ID=88154281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321215500.8U Active CN219799008U (en) | 2023-05-19 | 2023-05-19 | Grid area separating force test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219799008U (en) |
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2023
- 2023-05-19 CN CN202321215500.8U patent/CN219799008U/en active Active
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