CN219084593U - Adjustable clamp and tensile testing machine - Google Patents
Adjustable clamp and tensile testing machine Download PDFInfo
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- CN219084593U CN219084593U CN202223406426.6U CN202223406426U CN219084593U CN 219084593 U CN219084593 U CN 219084593U CN 202223406426 U CN202223406426 U CN 202223406426U CN 219084593 U CN219084593 U CN 219084593U
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- clamp
- bidirectional screw
- test sample
- screw rod
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Abstract
The utility model discloses an adjustable clamp, which comprises: the connecting mechanism comprises a sliding rail; the clamping mechanism comprises clamps which are symmetrically arranged, and one end of each clamp is in sliding connection with the sliding rail; the adjusting mechanism comprises a bidirectional screw rod which is in threaded connection with the two clamps; the positioning piece is arranged on the sliding rail, the bidirectional screw rod passes through the positioning piece and limits the bidirectional screw rod, and the tensile testing machine is provided with an adjustable clamp; according to the utility model, the two clamps are driven to slide on the slide rail simultaneously through the rotation of the bidirectional screw rod, so that the clamping and fixing of the test sample are realized, the test sample can be rapidly clamped and fixed, the mounting efficiency of the test sample is improved, the test sample slipping can be avoided, and the clamping force of the clamp on the test sample can be conveniently adjusted by rotating the bidirectional screw rod; the adjustable clamp is fixed on the lifting tension part and the fixing part of the tensile testing machine, and the two ends of the test sample can be rapidly clamped and fixed.
Description
Technical Field
The utility model relates to the technical field of tensile testing machines, in particular to an adjustable clamp and a tensile testing machine.
Background
The tensile test of the electric wire and the cable is an indispensable link for a supervision and detection mechanism of the electric wire and the cable products, especially for a manufacturer of the electric wire and the cable to grasp the quality of the electric wire and the cable, thereby detecting the physical properties of the insulating layer and/or the outer sheath of the electric wire and the cable and judging whether the electric wire and the cable products accord with the relevant standards according to the physical properties. The utility model provides a be used for wire and cable tensile test's main machine when tensile test machine, wire and cable need be fixed wire and cable's both ends on tensile test machine's clamping structure, current clamping mechanism is fixed centre gripping, it needs to change different gripping heads to the test sample centre gripping of size difference, lead to current clamping structure application scope little, the operation is comparatively loaded down with trivial details, chinese patent application No. 201611155940.3 discloses a novel pulling force test fixture and pulling force test method, specifically, it includes anchor clamps A and anchor clamps B to disclose the anchor clamps structure, anchor clamps A and anchor clamps B upper end are equipped with the I-shaped connector, I-shaped connector cooperation sets up on the slide rail, be equipped with two connecting holes A on the anchor clamps A, be equipped with two connecting holes B on the anchor clamps B, connecting hole A, connecting hole B position are corresponding, all be located the bottom of anchor clamps, test sample sets up between anchor clamps A and anchor clamps B, it is fixed by hexagon socket head cap bolts, on this structure, anchor clamps A and anchor clamps B can slide on the slide rail, thereby the different test sample of centre gripping is fixed.
However, when the test sample is clamped, the inner hexagon bolts are required to penetrate through the connecting holes A and B and then are fixed, the operation is complicated, the test sample is fixedly installed slowly, the test efficiency of the test sample is affected, and the clamping force of the test sample cannot be adjusted.
Disclosure of Invention
Based on this, it is necessary to provide an adjustable clamp and tensile testing machine, through the bidirectional screw of adjusting structure rotation, drive two anchor clamps and slide on the slide rail simultaneously, make two anchor clamps can be close to each other or keep away from, reach the centre gripping fixed to the test sample, the mode of current through bolt fastening test sample has been replaced, and an operation is convenient, the centre gripping is fixed convenient, can be fixed to the test sample centre gripping fast, the installation effectiveness of test sample has been improved, and then the test efficiency of test sample is improved, bidirectional screw's setting, the stability of anchor clamps can be kept, the centre gripping tightness of test sample has been guaranteed, can avoid the test sample slippage, and rotatory bidirectional screw makes things convenient for the adjustment anchor clamps to the centre gripping dynamics of test sample, the anchor clamps when all fixing adjustable in the lift pulling force portion and the fixed part of tensile testing machine, when fixing to the test sample, only need rotatory bidirectional screw, thereby drive two anchor clamps and slide simultaneously on the slide rail, the centre gripping position of anchor clamps is fixed to the test sample, compare the fixture to the centre gripping mechanism of original tensile testing machine, can be quick to the centre gripping fixed to the test sample, and the both ends of test sample, and the different adaptation test sample can be fixed.
In order to solve the technical problems, the utility model adopts the following technical scheme:
an adjustable clamp is applied to clamping a test sample by a tensile testing machine.
It comprises the following steps:
the connecting mechanism is connected with the tensile testing machine and comprises a sliding rail;
the clamping mechanism comprises clamps which are symmetrically arranged, and one end of each clamp is connected with the sliding rail in a sliding way;
the adjusting mechanism comprises a bidirectional screw rod which is in threaded connection with the two clamps;
the positioning piece is arranged on the sliding rail, and the bidirectional screw rod penetrates through the positioning piece and limits the bidirectional screw rod.
As a preferred implementation mode of the adjustable clamp, the connecting mechanism further comprises a connector, and the connector is connected with the sliding rail.
As a preferred embodiment of the adjustable clamp provided by the utility model, the clamp is of an L structure.
As a preferable implementation mode of the adjustable clamp provided by the utility model, one ends of the two clamps are provided with T-shaped heads I, the sliding rail is provided with a T-shaped groove, and the T-shaped heads I are in sliding connection with the T-shaped groove.
As a preferred implementation mode of the adjustable clamp provided by the utility model, a thread sleeve is arranged on the clamp, a first inner hexagon bolt is arranged on the side wall of the clamp, the first inner hexagon bolt is in threaded connection with the clamp and is in butt joint with the outer side of the thread sleeve, the bidirectional screw rod penetrates through the two thread sleeves, and the two thread sections of the bidirectional screw rod are in threaded connection with the two thread sleeves respectively.
As a preferred embodiment of the adjustable clamp provided by the utility model, the side surface of the clamping part of the clamp is provided with the mounting hole, the clamping position of the clamp is detachably provided with the clamping piece, and the clamping piece is connected with the mounting hole through the second hexagon socket head cap bolt.
As a preferred implementation mode of the adjustable clamp provided by the utility model, one end of the bidirectional screw rod is provided with a handle, and the bidirectional screw rod is arranged at one end of the clamp close to the sliding rail.
As a preferred implementation mode of the adjustable clamp provided by the utility model, the positioning piece comprises an upper positioning block, a positioning groove is formed in the side face of the upper positioning block, the positioning groove is a semicircular groove, and the bidirectional screw rod penetrates through the semicircular groove.
As a preferred implementation mode of the adjustable clamp provided by the utility model, the upper positioning block is provided with the T-shaped head II, and the upper positioning block is connected with the sliding rail through the inner hexagon bolt III.
The utility model also provides a tensile testing machine, which comprises a testing machine body, wherein the adjustable clamp is fixed on the lifting tension part and the fixing part at the bottom of the testing machine body.
Compared with the prior art, the utility model has the following beneficial effects:
1. the adjustable clamp is used for clamping and fixing a test sample, can be connected with a tensile testing machine, is matched with the tensile testing machine to finish the drawing force test of the test sample, and drives the two clamps to slide on the sliding rail simultaneously through the rotation of the bidirectional screw rod of the adjusting structure, so that the two clamps can be close to or far away from each other to clamp and fix the test sample, the existing mode of fixing the test sample through bolts is replaced, the operation is convenient, the clamping and fixing are convenient, the test sample can be rapidly clamped and fixed, the installation efficiency of the test sample is improved, the test efficiency of the test sample is further improved, the stability of the clamp can be maintained, the clamping tightness of the test sample is ensured, the test sample slipping can be avoided, the clamping force of the test sample by the clamp can be conveniently adjusted through rotating the bidirectional screw rod, and the test sample can be conveniently clamped and fixed.
2. According to the tensile testing machine provided by the utility model, the adjustable clamps are fixed on the lifting tension part and the fixing part of the tensile testing machine, and when the test sample is fixed, only the bidirectional screw rod is required to be rotated, so that the two clamps are driven to slide on the slide rail at the same time, and the clamping positions of the clamps are used for clamping and fixing the test sample.
Drawings
In order to more clearly illustrate the solution of the present utility model, a brief description will be given below of the drawings required for the description of the embodiments, it being obvious that the drawings in the following description are some embodiments of the present utility model, and that other drawings may be obtained from these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a perspective view of the whole structure of an adjustable clamp provided by the utility model;
FIG. 2 is an exploded view of the overall structure of the adjustable clamp provided by the utility model;
FIG. 3 is a schematic diagram of the structure of an adjustable clamp according to the present utility model;
FIG. 4 is a schematic view of a bi-directional screw of the adjustable clamp provided by the present utility model;
fig. 5 is a schematic diagram of the overall structure of the tensile tester provided by the utility model.
The labels in the figures are illustrated below:
1. a connecting mechanism; 11. a slide rail; 12. a connector; 13. a T-shaped groove; 2. a clamping mechanism; 21. a clamp; 22. t-shaped first head; 23. a through hole; 24. a thread sleeve; 25. an inner hexagon bolt I; 26. a mounting hole; 27. a clamping piece; 28. a second inner hexagon bolt; 3. an adjusting mechanism; 31. a two-way screw rod; 32. a threaded section; 33. a handle; 34. a smooth surface section; 4. a positioning piece; 41. an upper positioning block; 42. a positioning groove; 43. a T-shaped head II; 44. a third inner hexagon bolt; 5. a tester body; 51. a frame; 52. a fixing part; 53. lifting and lowering the tension part; 100. an adjustable clamp.
Detailed Description
In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
As described in the background art, when the test sample is fixed, the socket head cap bolts are required to pass through the connecting holes a and B and then are fixed, the operation is complicated, the test sample is fixedly mounted slowly, the test efficiency of the test sample is affected, and the clamping force of the test sample cannot be adjusted.
In order to solve the technical problem, the utility model provides an adjustable clamp 100 which is applied to clamping a test sample by a tensile testing machine.
Specifically, referring to fig. 1 and 2, the adjustable clamp specifically includes: the connecting mechanism 1 is connected with the tensile testing machine, and the connecting mechanism 1 comprises a sliding rail 11; the clamping mechanism 2 comprises clamps 21 which are symmetrically arranged, and one end of each clamp 21 is in sliding connection with the sliding rail 11; the adjusting mechanism 3 comprises a bidirectional screw rod 31, and the bidirectional screw rod 31 is in threaded connection with the two clamps 21; the locating piece 4 is arranged on the sliding rail 11, the bidirectional screw rod 31 penetrates through the locating piece 4, and the locating piece 4 limits the bidirectional screw rod 31.
The adjustable clamp 100 provided by the utility model is used for clamping and fixing a test sample, can be connected with a tensile testing machine, is matched with the tensile testing machine to finish the drawing force test of the test sample, and drives the two clamps 21 to slide on the slide rail 11 simultaneously through the rotation of the bidirectional screw rod 31 of the adjusting structure, so that the two clamps 21 can be mutually close to or far away from each other to achieve the clamping and fixing of the test sample, the existing mode of fixing the test sample through bolts is replaced, the operation is convenient, the clamping and fixing are convenient, the test sample can be rapidly clamped and fixed, the installation efficiency of the test sample is improved, the test efficiency of the test sample is further improved, the stability of the clamp 21 can be maintained, the clamping and fastening type of the test sample is ensured, the test sample can be avoided, the clamping force of the test sample by the clamp 21 can be conveniently adjusted by rotating the bidirectional screw rod 31, and the test sample can be conveniently clamped and fixed.
Specifically, referring to fig. 5, the tensile testing machine specifically includes a testing machine body 5, and an adjustable clamp 100 is fixed to both a lifting tension portion 53 and a bottom fixing portion 52 of the testing machine body 5.
The clamp is fixed in the lifting tension part 53 and the fixing part 52 of the tensile testing machine, when the test sample is fixed, only the bidirectional screw rod 31 is required to be rotated, so that the two clamps 21 are driven to slide on the slide rail 11 simultaneously, the clamping positions of the clamps 21 clamp and fix the test sample, compared with the clamping mechanism 2 of the original tensile testing machine, the clamp can be used for rapidly clamping and fixing the two ends of the test sample, and the clamp can be suitable for clamping and fixing different test samples.
In order to make the person skilled in the art better understand the solution of the present utility model, the technical solution of the embodiment of the present utility model will be clearly and completely described below with reference to the accompanying drawings.
It should be noted that, under the condition of no conflict, the embodiments of the present utility model and the features and technical solutions in the embodiments may be combined with each other.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
Example 1
Referring to fig. 1 and 2, an adjustable clamp includes: the connecting mechanism 1 is connected with the tensile testing machine, the connecting mechanism 1 comprises a sliding rail 11, a connector 12 is fixedly connected to the top of the sliding rail 11, and the connector 12 is used for being connected with the tensile testing machine; the clamping mechanism 2 comprises clamps 21 which are symmetrically arranged, and one end of each clamp 21 is in sliding connection with the sliding rail 11; the adjusting mechanism 3 comprises a bidirectional screw rod 31, the bidirectional screw rod 31 is in threaded connection with two clamps 21, the bidirectional screw rod 31 can drive the clamps 21 to move close to or away from each other, the positioning piece 4 is arranged on the sliding rail 11, the bidirectional screw rod 31 passes through the positioning piece 4 and the positioning piece 4 limits the bidirectional screw rod 31, the positioning piece 4 can position the bidirectional screw rod 31, when the bidirectional screw rod 31 rotates, the bidirectional screw rod 31 can be always kept at the same position, and the clamps 21 connected to the bidirectional screw rod 31 can be clamped and fixed at the same position.
Example 2
The adjustable clamp 100 provided in embodiment 1 is further optimized, specifically, as shown in fig. 2 and 4, the clamp 21 is of an L structure, the clamping position 21 is the end face of the transverse portion of the L structure, the two clamps 21 are symmetrically arranged, so that the end faces of the clamping positions of the two clamps 21 are opposite, when the test sample is clamped and fixed, the L structure of the clamp 21 is arranged, the test sample with small size can be clamped and fixed, the first T-shaped head 22 of an integral structure is arranged at one end of the two clamps 21, the slide rail 11 is provided with the first T-shaped groove 13, the first T-shaped head 22 slides in the first T-shaped groove 13, so that when the bidirectional screw rod 31 rotates, the two clamps 21 can be driven to synchronously move, the through holes 23 are arranged on the clamp 21, the through holes 23 are arranged at one end of the clamp 21, which is close to the slide rail 11, the threaded sleeve 24 is arranged in the through holes 23, the threaded sleeve 24 is arranged at the upper part of the clamp 21, when the clamp 21 moves, the clamp 21 is smaller, the stress characteristics are met, the two sides of the threaded sleeve 24 are relatively labor-saving, the two ends of the threaded sleeve 24 are provided with extension parts, the threaded sleeve 24 are positioned, the threaded sleeve 24 is inserted into the clamp 21, the threaded sleeve 21 is arranged at the two sides, the two sides of the threaded sleeve 25, the threaded sleeve are arranged at the two sides of the clamp 21, the two clamp 31, the two sides are conveniently and the threaded sleeve are conveniently and the two sides of the threaded sleeve 32 are conveniently and the two threaded sleeve and screwed into the threaded sleeve 32 and screwed into the two opposite to the threaded sleeve through the two screw rod 31.
Example 3
The automatic column passing device provided in embodiment 2 is further optimized, specifically, as shown in fig. 3, a mounting hole 26 is provided on a side surface of a clamping portion of the clamp 21, a clamping piece 27 is detachably mounted at a clamping position of the clamp 21, the clamping piece 27 is connected with the mounting hole 26 through a second socket head cap screw 28, multiple groove structures such as an arc groove and a half-prismatic groove can be provided on a side surface of the clamping piece 27, and other groove shapes convenient for adapting to clamping and fixing of a test sample can be provided, in a sliding process of the clamp 21, the groove structures on the clamping piece 27 clamp and fix clamping positions of the test sample, so that the clamping pieces 27 with different groove structures can be replaced according to side surface shapes of the test sample, clamping tightness of the test sample can be further improved, and in order to protect the test sample, the clamping piece 27 can be made of rubber materials.
Example 4
The automatic column passing device provided in the above embodiments is further optimized, specifically, as shown in fig. 2, the positioning piece 4 includes an upper positioning block 41, a positioning groove 42 is provided on a side surface of the upper positioning block 41, the positioning groove 42 is a semicircular groove, the bidirectional screw rod 31 passes through the semicircular groove, the middle of two thread sections 32 of the bidirectional screw rod 31 is a smooth surface section 34, the diameter of the thread section 32 is larger than that of the smooth surface section 34, the bidirectional screw rod 31 passes through the semicircular groove and the smooth surface section 34 is located in the semicircular groove, the positioning piece 4 can limit the bidirectional screw rod 31 and does not affect rotation of the bidirectional screw rod 31, meanwhile, a T-shaped head second 43 is provided on the upper positioning block 41, when the upper positioning block 41 is installed, the upper positioning block 41 can slide from the T-shaped groove 13 to a position to be fixed, and is convenient to detach and replace, and the upper positioning block 41 is fixedly connected with the slide rail 11 through a third hexagon bolt 44, so that the bidirectional screw rod 31 is convenient to install and detach.
Example 5
Referring to fig. 5, a tensile testing machine includes a testing machine body 5, the testing machine body 5 includes a frame 51, a fixing portion 52 is disposed at the bottom of the frame 51, a sliding lifting tension portion 53 is disposed at the upper portion, the connecting mechanism 1 of the adjustable clamp 21 is fixed with the fixing portion 52 and the lifting tension portion 53 by pins, and two adjustable clamps 21 are symmetrically disposed.
The use process of the adjustable clamp and the tensile testing machine provided by the utility model is as follows:
the adjustable clamp 100 is respectively fixed between the fixing part 52 and the lifting tension part 53 of the tensile testing machine through a pin rod, one end of a test sample to be tested is placed between the two clamps 21 of the fixing part 52, the two clamps 21 are manually rotated to enable the two clamps 21 to move close to each other until the clamping faces of the two clamps 21 clamp and fix one end of the test sample, then the other end of the test sample is placed between the two clamps 21 of the lifting tension part 53, the two clamps 21 are manually rotated to enable the two clamps 21 to move close to each other until the clamping faces of the two clamps 21 clamp and fix the other end of the test sample, finally, a worker pulls the test sample to ensure clamping and fastening of the test sample, the tensile testing machine is started, and the tensile testing machine is used for pulling the test sample.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
It is apparent that the above-described embodiments are only some embodiments of the present utility model, but not all embodiments, and the preferred embodiments of the present utility model are shown in the drawings, which do not limit the scope of the patent claims. This utility model may be embodied in many different forms, but rather, embodiments are provided in order to provide a thorough and complete understanding of the present disclosure. Although the utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing description, or equivalents may be substituted for elements thereof. All equivalent structures made by the content of the specification and the drawings of the utility model are directly or indirectly applied to other related technical fields, and are also within the scope of the utility model.
Claims (10)
1. The utility model provides a anchor clamps with adjustable, its centre gripping that is applied to tensile testing machine to test sample, its characterized in that includes:
the connecting mechanism (1) is connected with the tensile testing machine, and the connecting mechanism (1) comprises a sliding rail (11);
the clamping mechanism (2) comprises clamps (21) which are symmetrically arranged, and one end of each clamp (21) is in sliding connection with the sliding rail (11);
the adjusting mechanism (3) comprises a bidirectional screw rod (31), and the bidirectional screw rod (31) is in threaded connection with the two clamps (21);
the positioning piece (4) is arranged on the sliding rail (11), and the bidirectional screw rod (31) penetrates through the positioning piece (4) and the positioning piece (4) limits the bidirectional screw rod (31).
2. An adjustable clamp as claimed in claim 1, characterized in that the connecting mechanism (1) further comprises a connecting head (12), the connecting head (12) being connected with the slide rail (11).
3. An adjustable clamp according to claim 1, characterized in that the clamp (21) is of L-configuration.
4. An adjustable clamp according to claim 3, characterized in that one end of two clamps (21) is provided with a T-shaped head (22), the slide rail (11) is provided with a T-shaped groove (13), and the T-shaped head (22) is slidably connected with the T-shaped groove (13).
5. An adjustable clamp according to claim 4, characterized in that the clamp (21) is provided with a threaded sleeve (24), the side wall of the clamp (21) is provided with a hexagon socket head cap screw (25), the hexagon socket head cap screw (25) is in threaded connection with the clamp (21) and is in butt joint with the outer side of the threaded sleeve (24), the bidirectional screw (31) penetrates through the two threaded sleeves (24), and the two threaded sections (32) of the bidirectional screw (31) are in threaded connection with the two threaded sleeves (24) respectively.
6. An adjustable clamp according to claim 1, characterized in that the clamping part side of the clamp (21) is provided with a mounting hole (26), and the clamping position of the clamp (21) is detachably provided with a clamping piece (27).
7. An adjustable clamp according to claim 1, characterized in that one end of the bidirectional screw (31) is provided with a handle (33) and the bidirectional screw (31) is provided at one end of the clamp (21) close to the slide rail (11).
8. An adjustable clamp as claimed in claim 7, wherein the positioning member (4) comprises an upper positioning block (41), a positioning groove (42) is formed in the side surface of the upper positioning block (41), the positioning groove (42) is a semicircular groove, and the bidirectional screw rod (31) penetrates through the semicircular groove.
9. The adjustable clamp according to claim 8, wherein the upper positioning block (41) is provided with a T-shaped head two (43), and the upper positioning block (41) is connected with the slide rail (11) through a socket head cap screw three (44).
10. A tensile testing machine comprising a testing machine body (5), wherein the lifting tension part (53) and the fixing part (52) at the bottom of the testing machine body (5) are both fixed with the adjustable clamp as described in any one of the above 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223406426.6U CN219084593U (en) | 2022-12-19 | 2022-12-19 | Adjustable clamp and tensile testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223406426.6U CN219084593U (en) | 2022-12-19 | 2022-12-19 | Adjustable clamp and tensile testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219084593U true CN219084593U (en) | 2023-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223406426.6U Active CN219084593U (en) | 2022-12-19 | 2022-12-19 | Adjustable clamp and tensile testing machine |
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| Country | Link |
|---|---|
| CN (1) | CN219084593U (en) |
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- 2022-12-19 CN CN202223406426.6U patent/CN219084593U/en active Active
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