CN219416993U - Clamp for material tensile strength test - Google Patents

Abstract

The utility model discloses a clamp for testing tensile strength of materials, which comprises a connecting frame, wherein a stretching column is connected to the inner side of the connecting frame in a sliding manner, a connecting seat is fixedly arranged at the bottom end of the stretching column, a supporting seat is arranged at the top end of the stretching column, a clamping head is fixedly arranged at the top of the supporting seat, threaded rods are connected to the outer walls of two sides of the clamping head in a threaded manner, and the bottom ends of the two groups of threaded rods penetrate through the inner side of the clamping head. According to the utility model, the two groups of threaded rods are rotated, so that the two groups of threaded rods drive the two groups of limiting clamping plates to move, the two groups of limiting clamping plates can clamp metal materials with different specifications, the metal materials can be further limited by the limiting sleeve, and the second connecting head is in threaded connection with the inner side of the fixing head, so that a worker can conveniently replace the limiting sleeve, and when clamping different metal materials, the limiting sleeve with different specifications can be replaced according to the requirement, so that the clamping stability of the metal materials with different specifications is ensured.

Description

Clamp for material tensile strength test

Technical Field

The utility model relates to the technical field of clamps, in particular to a clamp for testing tensile strength of materials.

Background

The tensile test is a test method for measuring the characteristics of materials under the condition of bearing axial tensile load, is also called tensile test, is one of basic methods for testing the mechanical properties of the materials, is mainly used for testing whether the materials meet the specified standards and researching the properties of the materials, and is used for carrying out the tensile test on wires and bars for aluminum and aluminum alloy rivets, but the existing clamps still have certain defects in use.

The defects of the clamp in the prior art are that:

currently, patent document CN206540771U discloses a clamp for testing tensile strength of a material. The utility model comprises a pull rod, a chuck and a pressing device; the pull rod comprises a rod piece, one end of the rod piece is connected with the test device, and the other end of the rod piece is fixedly connected with the spherical end head; the clamping head is a block-shaped component, one side of the clamping head is provided with an open slot matched with the shape of the pull rod, so that the spherical end head can be embedded into the open slot and drive the rod piece to rotate in a small range; the other side of the clamping head is provided with an open slot hole which is matched with the shape of the end part of the test piece, the end part of the test piece is placed in the middle of the open slot hole, the upper surface and the lower surface of the test piece are provided with pressing devices, and the test piece is pressed by tightening the pressing bolts which pass through the bolt holes on the pressing devices and the edge of the open slot hole. The utility model has simple structure, convenient use, strong effectiveness and low cost, can greatly increase the success rate of the tensile test and is convenient for popularization and use.

However, when the fixture is in actual use, because the staff needs to carry out tensile test on the metal materials with different specifications, the stability of the metal materials with different specifications is difficult to be ensured when the fixture is used for fixing the metal materials with different specifications, so that the follow-up tensile test is possibly influenced to a certain extent, and the fixture is inconvenient for the staff to use.

Disclosure of Invention

The utility model aims to provide a clamp for testing tensile strength of a material, which aims to solve the problems in the prior art.

In order to achieve the above purpose, the utility model provides a technical scheme that the clamp for testing tensile strength of materials comprises a connecting frame, wherein a stretching column is connected to the inner side of the connecting frame in a sliding manner, a connecting seat is fixedly arranged at the bottom end of the stretching column, a supporting seat is arranged at the top end of the stretching column, a clamping head is fixedly arranged at the top of the supporting seat, threaded rods are connected to the outer walls of two sides of the clamping head in a threaded manner, and the bottom ends of the two groups of threaded rods penetrate through the inner side of the clamping head.

Preferably, the outer wall fixed mounting of link has the connection pad, the bottom fixed mounting of connection pad has the connecting rod, the bottom slidable mounting of connecting rod has the telescopic link.

Preferably, the top of tensile post is provided with first connector, the bottom fixed mounting of supporting seat has the spliced pole, and spliced pole threaded connection is in the inboard of first connector.

Preferably, the top end of the stretching column is provided with a jogging groove, the jogging groove is positioned at the outer side of the first connecting head, the bottom end of the supporting seat is fixedly provided with a jogging plate, the jogging plate is positioned at the outer side of the connecting column, and the jogging plate is jogged at the inner side of the jogging groove.

Preferably, the two sets of threaded rods are rotatably connected with limiting clamping plates at the bottom ends of the inner sides of the chucks, and the inner side walls of the two sets of limiting clamping plates are provided with anti-skid grooves.

Preferably, the top end of the chuck is provided with a limit sleeve, and the diameter of the top end of the limit sleeve is smaller than that of the bottom end of the limit sleeve.

Preferably, the top of the chuck is provided with a fixed head, the bottom of the limiting sleeve is fixedly provided with a second connector, and the second connector is in threaded connection with the inner side of the fixed head.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the two groups of threaded rods are rotated, so that the two groups of threaded rods drive the two groups of limiting clamping plates to move, the two groups of limiting clamping plates can clamp metal materials with different specifications, the metal materials can be further limited by the limiting sleeve, and the second connecting head is in threaded connection with the inner side of the fixing head, so that a worker can conveniently replace the limiting sleeve, and when clamping different metal materials, the limiting sleeve with different specifications can be replaced according to the requirement, so that the clamping stability of the metal materials with different specifications is ensured.

2. According to the utility model, the telescopic rod slides on the inner side of the connecting rod, so that the length of the connecting rod can be adjusted, the fixture is convenient to install by a worker, the connecting rod is connected on the inner side of the first connector through the connecting column in a threaded manner, and the connecting rod is embedded on the inner side of the embedded groove through the embedded plate, so that the stability of the connection between the supporting seat and the stretching column is ensured, the installation and the disassembly of the worker are facilitated, and the subsequent maintenance of the worker is convenient.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a connecting frame according to the present utility model;

FIG. 3 is a schematic view of a connection structure of a connecting frame and a chuck according to the present utility model;

fig. 4 is a schematic view of the chuck according to the present utility model.

In the figure: 1. a connecting frame; 2. a connecting disc; 3. a connecting rod; 4. a telescopic rod; 5. stretching the column; 6. a connecting seat; 7. a first connector; 8. a fitting groove; 9. a support base; 10. an embedded plate; 11. a connecting column; 12. a chuck; 13. a threaded rod; 14. limiting clamping plates; 15. an anti-skid groove; 16. a fixed head; 17. a limit sleeve; 18. and a second connector.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, a clamp for testing tensile strength of a material:

including link 1, link 1's outer wall fixed mounting has connection pad 2, link 2's bottom fixed mounting has connecting rod 3, connecting rod 3's bottom slidable mounting has telescopic link 4, link 1's inboard sliding connection has tensile post 5, tensile post 5's bottom fixed mounting has connecting seat 6, tensile post 5's top is provided with supporting seat 9, tensile post 5's top is provided with first connector 7, supporting seat 9's bottom fixed mounting has spliced pole 11, and spliced pole 11 threaded connection is in first connector 7's inboard, tensile post 5's top is provided with gomphosis groove 8, and gomphosis groove 8 is located first connector 7's outside, supporting seat 9's bottom fixed mounting has the mosaic board 10, and gomphosis board 10 is located connecting post 11's outside, the gomphosis board 10 gomphosis is in gomphosis groove 8's inboard.

Can provide mounted position for connecting rod 3 through connection pad 2, can fix anchor clamps on tensile strength test machine through connecting rod 3 and telescopic link 4, slide in the inboard of connecting rod 3 through telescopic link 4, thereby can adjust the length of connecting rod 3, thereby make things convenient for the staff to install anchor clamps, after the adjustment, fix telescopic link 4 in the inboard of connecting rod 3 through the bolt, can be connected tensile post 5 with tensile strength test machine's stretching mechanism through connecting seat 6, thereby make tensile strength test machine can be normal pulling anchor clamps, inboard at first connector 7 through spliced pole 11 threaded connection, rethread embedded plate 10 gomphosis is in the inboard of gomphosis groove 8, thereby guarantee the stability that supporting seat 9 and tensile post 5 are connected, and make things convenient for the staff to install and dismantle, the staff of being convenient for carries out subsequent maintenance.

The top fixed mounting of supporting seat 9 has chuck 12, the equal threaded connection of both sides outer wall of chuck 12 has threaded rod 13, and the bottom of two sets of threaded rods 13 all runs through in the inboard of chuck 12, the bottom rotation that two sets of threaded rods 13 are located the chuck 12 is inboard is connected with spacing splint 14, anti-skidding groove 15 has all been seted up to the inside wall of two sets of spacing splint 14, the top of chuck 12 is provided with stop collar 17, and the top diameter of stop collar 17 is less than the bottom diameter of stop collar 17, the top of chuck 12 is provided with fixed head 16, the bottom fixed mounting of stop collar 17 has second connector 18, and second connector 18 threaded connection is in the inboard of fixed head 16.

Can provide mounted position for chuck 12 through supporting seat 9, can provide mounted position for two sets of threaded rods 13 through chuck 12, when carrying out the centre gripping to metal material, through rotating two sets of threaded rods 13, make two sets of threaded rods 13 drive two sets of stop splint 14 and remove, can carry out the centre gripping to the metal material of different specifications through two sets of stop splint 14, can guarantee the stability that two sets of stop splint 14 are connected with metal material through anti-skidding groove 15, can further carry out spacing to metal material through stop collar 17, thereby guarantee the stability of metal material when tensile test, through the inboard of second connector 18 threaded connection at fixed head 16, thereby be convenient for the staff change stop collar 17, when carrying out the centre gripping to different metal materials, can change into stop collar 17 of different specifications as required, thereby guarantee the stability of different specification metal material centre gripping.

The connecting rod 3 can be provided with the mounted position through connecting disc 2, can fix anchor clamps on tensile strength test machine through connecting rod 3 and telescopic link 4, slide in the inboard of connecting rod 3 through telescopic link 4, thereby can adjust the length of connecting rod 3, after the adjustment, fix telescopic link 4 in the inboard of connecting rod 3 through the bolt, can be connected tensile post 5 and tensile strength test machine's stretching mechanism through connecting seat 6, thereby make tensile strength test machine can be normal pulling anchor clamps, inboard at first connector 7 through connecting post 11 threaded connection, rethread embedded plate 10 gomphosis is in the inboard of gomphosis groove 8, thereby guarantee the stability that supporting seat 9 and tensile post 5 are connected, can provide the mounted position through supporting seat 9 for chuck 12, can provide the mounted position for two sets of threaded rods 13 through chuck 12, when carrying out the centre gripping to metal material, make two sets of threaded rods 13 drive two sets of limit splint 14 and remove, can carry out the centre gripping to different metal material through two sets of limit splint 14, can guarantee the stability of two limit splint and metal material through the limit bridge plate of limit 17, further stability of limit sleeve at the metal material when guaranteeing that two limit slit 15 can guarantee the stability of metal material.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. The utility model provides a material tensile strength is anchor clamps for test, includes link (1), its characterized in that: the inside sliding connection of link (1) has tensile post (5), the bottom fixed mounting of tensile post (5) has connecting seat (6), the top of tensile post (5) is provided with supporting seat (9), the top fixed mounting of supporting seat (9) has chuck (12), the equal threaded connection of both sides outer wall of chuck (12) has threaded rod (13), and the bottom of two sets of threaded rods (13) all runs through in the inboard of chuck (12).

2. A clamp for testing tensile strength of a material according to claim 1, wherein: the outer wall fixed mounting of link (1) has connection pad (2), the bottom fixed mounting of connection pad (2) has connecting rod (3), the bottom slidable mounting of connecting rod (3) has telescopic link (4).

3. A clamp for testing tensile strength of a material according to claim 1, wherein: the top of tensile post (5) is provided with first connector (7), the bottom fixed mounting of supporting seat (9) has spliced pole (11), and spliced pole (11) threaded connection is in the inboard of first connector (7).

4. A clamp for testing tensile strength of a material according to claim 1, wherein: the top of tensile post (5) is provided with gomphosis groove (8), and gomphosis groove (8) are located the outside of first connector (7), the bottom fixed mounting of supporting seat (9) has gomphosis board (10), and gomphosis board (10) are located the outside of spliced pole (11), gomphosis board (10) gomphosis is in the inboard of gomphosis groove (8).

5. A clamp for testing tensile strength of a material according to claim 1, wherein: the bottom ends of the two groups of threaded rods (13) positioned on the inner sides of the chucks (12) are rotationally connected with limiting clamping plates (14), and anti-skid grooves (15) are formed in the inner side walls of the limiting clamping plates (14).

6. A clamp for testing tensile strength of a material according to claim 1, wherein: the top end of the chuck (12) is provided with a limit sleeve (17), and the diameter of the top end of the limit sleeve (17) is smaller than that of the bottom end of the limit sleeve (17).

7. The fixture for testing tensile strength of a material according to claim 6, wherein: the top of chuck (12) is provided with fixed head (16), the bottom fixed mounting of stop collar (17) has second connector (18), and second connector (18) threaded connection is in the inboard of fixed head (16).