CN210014982U

CN210014982U - Extensometer clamping device for geosynthetic material wide strip tensile test

Info

Publication number: CN210014982U
Application number: CN201920764104.8U
Authority: CN
Inventors: 林沙滨
Original assignee: Fujian Jiaotong Engineering Testing Co Ltd
Current assignee: Fujian Jiaotong Engineering Testing Co Ltd
Priority date: 2019-05-27
Filing date: 2019-05-27
Publication date: 2020-02-04
Anticipated expiration: 2029-05-27

Abstract

The utility model discloses an extensometer clamping device for geosynthetic material width tensile test, including connecting seat and measuring arm, the measuring arm is all installed to connecting seat right-hand member face both sides, and the avris of measuring arm is provided with the cutting edge, first hole groove passes through reset spring and first fixture block interconnect, and the surface mounting of first fixture block has the handle, the inside both sides of recess all reserve there is the second hole groove, and installs first connecting spring on the inner wall in second hole groove, the second fixture block is installed to the tip of slider, and passes through second connecting spring interconnect between the second fixture block. This an extensometer clamping device for geosynthetic material broad strip tensile test when carrying out the broad strip tensile test, conveniently carries out the centre gripping to the broad strip, and to the dismantlement installation of broad strip around being convenient for experiment, because clamping device's high-usage, so take place the damage easily when the experiment, this extensometer clamping device is convenient for change clamping device.

Description

Extensometer clamping device for geosynthetic material wide strip tensile test

Technical Field

The utility model relates to an extensometer centre gripping technical field specifically is an extensometer clamping device for geosynthetic material wide strip tensile test.

Background

The geosynthetic material is arranged in the soil body or on the surface of the soil body, and has the functions of supporting and protecting the soil body, the soil body is usually reinforced by the wide strips, and the wide strips have certain toughness, so before the soil body is reinforced by the wide strips, the wide strips need to be subjected to tensile test by using the extensometer, and during the test, the wide adjustment needs to be clamped on the clamping device of the extensometer for testing.

However, the existing extensometer clamping device for the geosynthetic material wide strip tensile test has the following problems in use:

1. when a wide bar stretching experiment is carried out, the wide bar is inconvenient to clamp and disassemble and assemble before and after the experiment;

2. the extensometer is inconvenient for replacing the clamping device because the clamping device is frequently used and is easy to wear.

In order to solve the problems, innovative design is urgently needed on the basis of the original extensometer clamping device for the geosynthetic material wide strip tensile test.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an extensometer clamping device for geosynthetic material wide strip tensile test to solve above-mentioned background art and provide current extensometer clamping device for geosynthetic material wide strip tensile test when carrying out wide strip tensile test, inconvenient carry out the centre gripping to the wide strip, and be not convenient for around the experiment to the dismantlement installation of wide strip, because clamping device's high-usage, so take place easily when the experiment and damage, this extensometer is not convenient for the problem of clamping device's change.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an extensometer clamping device for geosynthetic material width tensile test, includes connecting seat and measuring arm, the measuring arm is all installed to connecting seat right-hand member face both sides, and the avris of measuring arm is provided with the cutting edge to first hole groove has been seted up to the inside of measuring arm, first hole groove passes through reset spring and first fixture block interconnect, and the surface mounting of first fixture block has the handle to first fixture block passes through recess and connecting block interconnect, the inside both sides of recess all reserve there is the second hole groove, and installs first connecting spring on the inner wall of second hole groove, and the end connection of first connecting spring has the slider, the second fixture block is installed to the tip of slider, and passes through second connecting spring interconnect between the second fixture block to install the cushion on the inner wall of second fixture block.

Preferably, the first fixture block is of a T-shaped structure, and the first fixture block and the measuring arm form a telescopic structure through a return spring.

Preferably, the end part of the handle is arranged to be an annular structure, and the handle is fixedly connected with the first clamping block.

Preferably, the second hole groove is symmetrically arranged about the center line of the connecting block, and the connecting block and the measuring arm form a dismounting and mounting structure.

Preferably, the second hole groove and the sliding block form a telescopic structure through the first connecting spring, and the second hole groove and the outer wall of the sliding block are attached to each other.

Preferably, the second clamping block is of a U-shaped structure, the second clamping block forms a sliding installation structure with the connecting block through the sliding block, and the second clamping block is fixedly connected with the sliding block.

Compared with the prior art, the beneficial effects of the utility model are that: the extensometer clamping device for the geosynthetic material wide strip tensile test is convenient to clamp a wide strip during a wide strip tensile test, is convenient to disassemble and assemble the wide strip before and after the test, is easy to damage during the test due to high utilization rate of the clamping device, and is convenient to replace the clamping device;

1. the second clamping blocks are mutually connected through a second connecting spring, under the elastic action of the second connecting spring, a cushion on the inner wall of the second clamping block can be manually pinched, so that the sliding block slides in the second hole groove to limit the second clamping block, the wide strips can be placed between the second clamping block and the cutting edge, the second clamping block is loosened, the wide strips can be clamped under the elastic action of the second connecting spring and the first connecting spring, and the wide strips are convenient to disassemble and install;

2. first fixture block passes through reset spring to be installed in the inside of first hole groove, and first fixture block passes through the recess block with the connecting block to be connected, and under reset spring's elastic action, the pulling handle can be with first fixture block withdrawal first hole inslot, loosens the handle and can make first fixture block reset, conveniently dismantles and installs the connecting block, can conveniently change this clamping device.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the connection structure of the connecting block and the sliding block of the present invention;

fig. 4 is a schematic view of the connection structure of the second fixture block and the cushion of the present invention.

In the figure: 1. a connecting seat; 2. a measuring arm; 3. a blade; 4. a first hole groove; 5. a return spring; 6. a first clamping block; 7. a handle; 8. connecting blocks; 9. a groove; 10. a second hole groove; 11. a first connecting spring; 12. a slider; 13. a second fixture block; 14. a second connecting spring; 15. a soft cushion.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an extensometer clamping device for a geosynthetic material wide strip tensile test comprises a connecting seat 1, a measuring arm 2, a cutting edge 3, a first hole groove 4, a reset spring 5, a first clamping block 6, a handle 7, a connecting block 8, a groove 9, a second hole groove 10, a first connecting spring 11, a sliding block 12, a second clamping block 13, a second connecting spring 14 and a cushion 15, wherein the measuring arm 2 is arranged on both sides of the right end face of the connecting seat 1, the cutting edge 3 is arranged on the side of the measuring arm 2, the first hole groove 4 is arranged in the measuring arm 2, the first hole groove 4 is connected with the first clamping block 6 through the reset spring 5, the handle 7 is arranged on the surface of the first clamping block 6, the first clamping block 6 is connected with the connecting block 8 through the groove 9, the second hole groove 10 is reserved on both sides of the inner portion of the groove 9, and the first connecting spring 11 is arranged on the inner wall of the second hole groove 10, and the end of the first connecting spring 11 is connected with a sliding block 12, the end of the sliding block 12 is provided with a second clamping block 13, the second clamping blocks 13 are connected with each other through a second connecting spring 14, and the inner wall of the second clamping block 13 is provided with a soft pad 15.

First fixture block 6 sets up to "T" style of calligraphy structure, and first fixture block 6 constitutes extending structure through reset spring 5 and measuring arm 2, and the tip of handle 7 sets up to annular structure, and is fixed connection between handle 7 and the first fixture block 6, and this clamping device's of being convenient for dismantlement and installation make things convenient for this clamping device to change when damaging.

Second hole groove 10 sets up about connecting block 8's centerline symmetry, and connecting block 8 constitutes with measuring arm 2 and dismantles mounting structure, second hole groove 10 constitutes extending structure through first coupling spring 11 and slider 12, and laminate each other between the outer wall of second hole groove 10 and slider 12, second fixture block 13 sets up to "U" style of calligraphy structure, and second fixture block 13 passes through slider 12 and connecting block 8 and constitutes the slidable mounting structure, and be fixed connection between second fixture block 13 and the slider 12, conveniently install and dismantle the broad strip, make the broad strip can fix on clamping device.

The working principle is as follows: when the extensometer clamping device for the geosynthetic material wide strip tensile test is used, according to fig. 1 and fig. 3-4, as shown in fig. 3, the soft pad 15 on the inner wall of the second fixture block 13 is manually pinched, as the second fixture blocks 13 are mutually connected through the second connecting spring 14, as shown in fig. 1, under the elastic action of the second connecting spring 14, the second fixture block 13 is pinched so that the distance between the 2 second fixture blocks 13 and the measuring arm 2 is increased, the slide block 12 connected with the second fixture block 13 slides in the second hole groove 10 to limit the second fixture block 13, the wide strip is placed between the blade 3 and the second fixture block 13, the second fixture block 13 is released, under the elastic action of the second connecting spring 14 and the first connecting spring 11, the second fixture block 13 is reset, and meanwhile, the blade 3 can tightly clamp the wide strip;

according to fig. 1-2, when the clamping device is damaged, as shown in fig. 2, the handle 7 can be pulled, because the first fixture block 6 and the handle 7 are fixedly connected, and the first fixture block 6 is connected with the first hole groove 4 through the return spring 5, the first fixture block 6 can be retracted into the first hole groove 4 by pulling the handle 7, as shown in fig. 1, the connection block 8 can be directly taken down, a new connection block 8 is placed between the measuring arms 2, the groove 9 is aligned with the first fixture block 6, the handle 7 is released, and under the elastic action of the return spring 5, the first fixture block 6 can be reset, and the connection block 8 is fixedly clamped.

Although the present invention 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 or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides an extensometer clamping device for geosynthetic material width strip tensile test, includes connecting seat (1) and measuring arm (2), its characterized in that: the measuring arm (2) is installed on two sides of the right end face of the connecting seat (1), the edge side of the measuring arm (2) is provided with a cutting edge (3), a first hole groove (4) is formed in the measuring arm (2), the first hole groove (4) is connected with a first clamping block (6) through a return spring (5), a handle (7) is installed on the surface of the first clamping block (6), the first clamping block (6) is connected with a connecting block (8) through a groove (9), a second hole groove (10) is reserved on two sides of the inner portion of the groove (9), a first connecting spring (11) is installed on the inner wall of the second hole groove (10), the end portion of the first connecting spring (11) is connected with a sliding block (12), a second clamping block (13) is installed on the end portion of the sliding block (12), and the second clamping blocks (13) are connected with each other through a second connecting spring (14), and a soft cushion (15) is arranged on the inner wall of the second clamping block (13).

2. The extensometer clamping device for the geosynthetic wide strip tensile test of claim 1, wherein: the first fixture block (6) is of a T-shaped structure, and the first fixture block (6) and the measuring arm (2) form a telescopic structure through the reset spring (5).

3. The extensometer clamping device for the geosynthetic wide strip tensile test of claim 1, wherein: the end part of the handle (7) is of an annular structure, and the handle (7) is fixedly connected with the first clamping block (6).

4. The extensometer clamping device for the geosynthetic wide strip tensile test of claim 1, wherein: the second hole groove (10) is symmetrically arranged relative to the center line of the connecting block (8), and the connecting block (8) and the measuring arm (2) form a dismounting and mounting structure.

5. The extensometer clamping device for the geosynthetic wide strip tensile test of claim 1, wherein: the second hole groove (10) and the sliding block (12) form a telescopic structure through the first connecting spring (11), and the outer walls of the second hole groove (10) and the sliding block (12) are attached to each other.

6. The extensometer clamping device for the geosynthetic wide strip tensile test of claim 1, wherein: the second clamping block (13) is of a U-shaped structure, the second clamping block (13) and the connecting block (8) form a sliding installation structure through the sliding block (12), and the second clamping block (13) is fixedly connected with the sliding block (12).