CN217143670U

CN217143670U - Waterproof material detects and uses anchor clamps

Info

Publication number: CN217143670U
Application number: CN202220481218.3U
Authority: CN
Inventors: 李云; 陈晓兰; 胡海福; 叶攀年; 李辉; 李生君; 杜琨; 霍小燕; 杨晓龙; 刘遂庆
Original assignee: Qinghai Zhongzhi Detection Co ltd
Current assignee: Qinghai Zhongzhi Detection Co ltd
Priority date: 2022-03-07
Filing date: 2022-03-07
Publication date: 2022-08-09
Anticipated expiration: 2032-03-07

Abstract

The utility model relates to the technical field of detection clamps, in particular to a waterproof material detection clamp, which comprises a connecting plate, wherein a first right-angle bent plate is fixedly connected on one end surface of the connecting plate, the first right-angle bent plate is vertical to the connecting plate, the connecting plate is connected with a second right-angle bent plate and a third right-angle bent plate through a sliding component in a sliding way, the sliding direction of the second right-angle bent plate and the sliding direction of the third right-angle bent plate are parallel to the angular bisector of the first right-angle bent plate, the angular bisectors of the first right-angle bent plate, the second right-angle bent plate and the third right-angle bent plate are collinear, the outer wall of the second right-angle bent plate faces the inner wall of the first right-angle bent plate, the outer wall of the third right-angle bent plate faces the inner wall of the second right-angle bent plate, a driving component for driving the third right-angle bent plate to move is arranged on the connecting plate, a connector is fixedly connected on one outer wall of the first right-angle bent plate, the utility model discloses can effectively promote the degree of stability of centre gripping test piece.

Description

Waterproof material detects and uses anchor clamps

Technical Field

The utility model relates to a detect anchor clamps technical field, especially relate to a waterproof material detects and uses anchor clamps.

Background

In the building engineering, waterproof materials are needed, the waterproof roll is one of the waterproof materials, the waterproof roll is mainly used for building walls, roofs, tunnels, roads, refuse landfills and the like, can be curled into a roll-shaped flexible building material product for resisting external rainwater and underground water leakage, is used as a leakage-free connection between an engineering foundation and a building, is a first barrier for water prevention of the whole engineering, and plays a vital role in the whole engineering.

Before the waterproof roll leaves a factory, in order to meet the use requirement, the waterproof roll needs to be subjected to various tests such as stretching, high temperature resistance, low temperature resistance and the like. Particularly, when a tensile test is carried out, two groups of clamps are needed to fix two ends of a strip-shaped waterproof coiled material respectively, the structure of the existing clamp is simpler, two clamping blocks with mutually parallel clamping surfaces are mainly adopted to fix a strip-shaped test piece, the clamping surfaces of the clamping blocks are parallel to the tensile direction of the strip-shaped test piece, when the size of the test piece is smaller, because the maximum tensile force borne by the test piece before the fracture of the test piece is smaller than the maximum longitudinal static friction force between the surfaces of the clamping blocks and the surface of the test piece, the clamping blocks can effectively clamp the test piece, the clamping ends of the test piece can not slide, the test can be normally carried out, but when the size of the test piece is larger or the thickness of the test piece is thicker, because the tensile force of the test piece is larger, and the longitudinal friction force between the surfaces of the clamping blocks and the surface of the test piece is relatively smaller, during the tensile test piece can bear the maximum longitudinal tensile force which possibly exceeds the maximum longitudinal static friction force between the surfaces of the clamping blocks and the surface of the test piece, at this moment, the clamp splice can not continue to form effective clamping to the test piece, and the test piece breaks away from two clamp splices, resulting in the test failure.

SUMMERY OF THE UTILITY MODEL

For solving the problem mentioned in the background art, the utility model aims to provide a waterproof material detects and uses anchor clamps.

In order to realize the above object, the technical scheme of the utility model is that:

the utility model provides a waterproof material detects uses anchor clamps, includes the connecting plate, the rigid coupling has first right angle bent plate on the terminal surface of connecting plate, first right angle bent plate is mutually perpendicular with the connecting plate, the connecting plate has second right angle bent plate and third right angle bent plate through sliding assembly sliding connection, the slip direction of second right angle bent plate and third right angle bent plate is parallel with the angular bisector of first right angle bent plate, the angular bisector collineation of first right angle bent plate, second right angle bent plate and third right angle bent plate, the outer wall of second right angle bent plate is towards the inner wall of first right angle bent plate, the outer wall of third right angle bent plate is towards the inner wall of second right angle bent plate, be equipped with the drive assembly that drives third right angle bent plate and remove on the connecting plate, the rigid coupling has the connector on one of them outer wall of first right angle bent plate.

Further, the subassembly that slides including the shaping in bar through-hole on the connecting plate, shaping in the first square shaft and the shaping of second right angle bent plate lateral part in the second square shaft of third right angle bent plate lateral part, the bar through-hole with the angular bisector of first right angle bent plate is parallel, equal sliding connection of first square shaft and second square shaft in the bar through-hole, the equal threaded connection of the terminal surface of first square shaft and second square shaft has the anticreep screw, the bore of the screw head of anticreep screw is greater than the width in bar hole.

Further, the drive assembly including the shaping in the connecting block of third right angle bent plate interior angle, the shaping in screw thread seat and threaded connection on the connecting plate in the screw rod in the screw thread seat, the caulking groove has been seted up on the connecting block, the screw rod be on a parallel with the angular bisector of first right angle bent plate and the tip of screw rod pass through the bearing rotation install in the caulking groove.

Furthermore, the outer angle of the second right-angle bent plate is arc-shaped, and the outer angle of the third right-angle bent plate is arc-shaped.

Furthermore, the inner wall of the first right-angle bent plate, the outer wall of the second right-angle bent plate, the inner wall of the second right-angle bent plate and the outer wall of the third right-angle bent plate are all carved with anti-skid grains.

The utility model has the advantages that: the utility model discloses a with first right angle bent plate, second right angle bent plate and third right angle bent plate are along the angular bisector arrangement of first right angle bent plate, during the banding test piece of clamping, with the tip clamp of banding test piece locate between the outer wall of second right angle bent plate and the inner wall of first right angle bent plate and the outer wall of third right angle bent plate and the inner wall of second right angle bent plate, compare in only carrying out the centre gripping to banding test piece with two clamp blocks, this device is under the condition that does not occupy too much space, greatly increased the area of the clamping face of banding test piece, and first right angle bent plate, not only there is fore-and-aft static friction power between second right angle bent plate and third right angle bent plate and the banding test piece, also there is horizontal static friction power simultaneously, can carry out effective centre gripping to banding test piece, effectively increase experimental success rate.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an embodiment of the present invention;

fig. 3 is an exploded view of an embodiment of the present invention;

fig. 4 is a schematic structural view of the belt-shaped material clamping apparatus according to an embodiment of the present invention.

Description of the figure numbering: 1. connecting plate, 11, first right angle bent plate, 12, connector, 13, bar through-hole, 14, screw thread seat, 2, second right angle bent plate, 21, first square shaft, 3, third right angle bent plate, 31, second square shaft, 32, connecting block, 33, caulking groove, 4, anticreep screw, 5, screw rod, 51, bearing, 6, banded test piece.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments obtained by a person skilled in the art based on the embodiments of the present invention belong to the protection scope of the present invention.

As shown in fig. 1 to 4, a fixture for detecting a waterproof material comprises a connecting plate 1, the connecting plate 1 is vertically arranged, a first right-angle bent plate 11 is formed at the upper left corner of the front end surface of the connecting plate 1, the first right-angle bent plate 11 is perpendicular to the connecting plate 1, the front end surface of the connecting plate 1 is slidably connected with a second right-angle bent plate 2 and a third right-angle bent plate 3 through a sliding assembly, the sliding directions of the second right-angle bent plate 2 and the third right-angle bent plate 3 are parallel to the angular bisector of the first right-angle bent plate 11, the angular bisectors of the first right-angle bent plate 11, the second right-angle bent plate 2 and the third right-angle bent plate 3 are collinear, the outer wall of the second right-angle bent plate 2 faces the inner wall of the first right-angle bent plate 11, the outer wall of the third right-angle bent plate 3 faces the inner wall of the second right-angle bent plate 2, the sizes of the first right-angle bent plate 11, the second right-angle bent plate 2 and the third right-angle bent plate 3 are sequentially reduced, the connecting plate 1 is provided with a driving component for driving the third right-angle bent plate 3 to move, and the outer wall of the first right-angle bent plate 11 parallel to the ground is fixedly connected with a connector 12.

In this embodiment, the subassembly that slides includes the shaping bar through-hole 13 on connecting plate 1, the shaping is in the first square shaft 21 of 2 rear end face corners of second right angle bent plate and the shaping second square shaft 31 in 3 rear end face corners of third right angle bent plate, bar through-hole 13 is parallel with the angular bisector of first right angle bent plate 11, first square shaft 21 and the equal sliding connection of second square shaft 31 are in bar through-hole 13, the equal threaded connection of the rear end face of first square shaft 21 and second square shaft 31 has anticreep screw 4, the bore of the screw head of anticreep screw 4 is greater than the width in bar hole, the rear end face of second right angle bent plate 2 and third right angle bent plate 3 all with the preceding terminal surface sliding connection of connecting plate 1, structural design is reasonable, be convenient for quick assembly disassembly second right angle bent plate 2 and third right angle bent plate 3.

In this embodiment, drive assembly including the shaping in connecting block 32, the shaping in the screw thread seat 14 and the screw rod 5 of threaded connection in screw thread seat 14 in the 3 interior angles of third right-angle bent plate, 1 lower right corner of connecting plate have been seted up caulking groove 33 on connecting block 32, and screw rod 5 passes through bearing 51 rotation and installs in caulking groove 33 in the angular bisector of the first right-angle bent plate 11 and the tip of screw rod 5 that is parallel to, and structural design is reasonable, the dismouting of being convenient for.

In this embodiment, the outer corner of the second right-angle bent plate 2 is arc-shaped, and the outer corner of the third right-angle bent plate 3 is arc-shaped, so that the smoothness of the contact between the outer corner of the second right-angle bent plate 2 and the outer corner of the third right-angle bent plate 3 and the strip-shaped test piece 6 is improved, and the strip-shaped test piece 6 is prevented from being damaged by extrusion.

In this embodiment, the inner wall of first right-angle bent plate 11, the outer wall of second right-angle bent plate 2, the inner wall of second right-angle bent plate 2 and the outer wall of third right-angle bent plate 3 are all carved with anti-skidding line, effectively increase frictional force.

In practical use, the whole fixture is mounted on a universal testing machine through a connector 12, the fixture is mounted at both the pulling end and the fixed end of the universal testing machine, when a strip-shaped test piece 6 is clamped, the positions of the second right-angle bent plate 2 and the third right-angle bent plate 3 are adjusted firstly, so that the distance between the outer wall of the second right-angle bent plate 2 and the inner wall of the first right-angle bent plate 11 and the distance between the outer wall of the third right-angle bent plate 3 and the inner wall of the second right-angle bent plate 2 are approximately corresponding to the thickness of the strip-shaped test piece 6, then a part of the strip-shaped test piece 6 is arranged between the inner wall of the first right-angle bent plate 11 and the outer wall of the second right-angle bent plate 2, then a part of the strip-shaped test piece 6 is arranged between the inner wall of the second right-angle bent plate 2 and the outer wall of the third right-angle bent plate 3, finally, the third right-angle bent plate 3 is extruded towards the inner angle of the second right-angle bent plate 2 by rotating a screw 5, during the extrusion process, the second right-angle bent plate 2 is also extruded towards the inner angle bent plate 11 under the pushing force, finally, each end of the strip-shaped test piece 6 is provided with two L-shaped clamping surfaces, so that the clamping stability is greatly improved.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and all modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a waterproof material detects uses anchor clamps, its characterized in that includes connecting plate (1), the rigid coupling has first right angle bent plate (11) on the terminal surface of connecting plate (1), first right angle bent plate (11) is mutually perpendicular with connecting plate (1), connecting plate (1) has second right angle bent plate (2) and third right angle bent plate (3) through sliding assembly sliding connection, the slip direction of second right angle bent plate (2) and third right angle bent plate (3) is parallel with the bisector of first right angle bent plate (11), the bisector collineation of first right angle bent plate (11), second right angle bent plate (2) and third right angle bent plate (3), the outer wall of second right angle bent plate (2) is towards the inner wall of first right angle bent plate (11), the outer wall of third right angle bent plate (3) is towards the inner wall of second right angle bent plate (2), the connecting plate (1) is provided with a driving assembly for driving the third right-angle bent plate (3) to move, and one outer wall of the first right-angle bent plate (11) is fixedly connected with a connector (12).

2. The waterproof material detects uses anchor clamps according to claim 1, characterized in that, the subassembly that slides includes the shaping in bar through-hole (13) on connecting plate (1), the shaping in first square shaft (21) of second right angle bent plate (2) lateral part and the shaping in second square shaft (31) of third right angle bent plate (3) lateral part, bar through-hole (13) with the angular bisector of first right angle bent plate (11) is parallel, first square shaft (21) and second square shaft (31) equal sliding connection in bar through-hole (13), the equal threaded connection of the terminal surface of first square shaft (21) and second square shaft (31) has anticreep screw (4), the bore of the screw head of anticreep screw (4) is greater than the width in bar hole.

3. The waterproof material detection clamp according to claim 1, wherein the driving assembly comprises a connecting block (32) formed at an inner angle of the third right-angle bending plate (3), a threaded seat (14) formed on the connecting plate (1), and a screw (5) in threaded connection with the threaded seat (14), a caulking groove (33) is formed in the connecting block (32), the screw (5) is parallel to an angular bisector of the first right-angle bending plate (11), and an end of the screw (5) is rotatably mounted in the caulking groove (33) through a bearing (51).

4. The waterproof material detection jig according to claim 1, wherein an outer corner of the second right-angle bent plate (2) is arc-shaped, and an outer corner of the third right-angle bent plate (3) is arc-shaped.

5. The waterproof material detection clamp according to claim 1, wherein the inner wall of the first right-angle bent plate (11), the outer wall of the second right-angle bent plate (2), the inner wall of the second right-angle bent plate (2) and the outer wall of the third right-angle bent plate (3) are engraved with anti-slip patterns.