CN216012943U

CN216012943U - Large deformation testing device for geotechnical cloth wide strip tensile test

Info

Publication number: CN216012943U
Application number: CN202121391577.1U
Authority: CN
Inventors: 黄建山; 杨振汉; 戴瑞芬; 杨振权
Original assignee: Xiamen Jiehang Engineering Testing Technology Co ltd
Current assignee: Xiamen Jiehang Engineering Testing Technology Co ltd
Priority date: 2021-06-22
Filing date: 2021-06-22
Publication date: 2022-03-11
Anticipated expiration: 2031-06-22

Abstract

The utility model discloses a large deformation testing device for a geotextile wide strip tensile test, which comprises a device body, wherein the right side of an inner cavity of the device body is fixedly connected with a first fixing rod, the middle parts of the wall bodies at the upper side and the lower side of the inner cavity of the device body are symmetrically and fixedly connected with pulling devices, the opposite sides of the pulling devices at the upper side and the lower side are fixedly connected with first fixing plates, the opposite sides of the two first fixing plates are symmetrically provided with clamping plates, the right side of the first fixing plate is fixedly connected with a lifting block, the opposite sides of the two lifting blocks at the upper side and the lower side are symmetrically and fixedly connected with connecting columns, and one end, far away from the lifting block, of each connecting column is sleeved with a lantern ring. This test device is warp greatly to geotechnological cloth wide strip tensile test, through the splint and the cooperation of threaded rod, second dead lever, first fixed plate, pulling device, the elevator that set up, can change the distance of two first fixed plates about through starting the pulling device, conveniently detect the tensile properties of geotechnological cloth.

Description

Large deformation testing device for geotechnical cloth wide strip tensile test

Technical Field

The utility model relates to the field of large-deformation testing devices for geotechnical cloth wide strip tensile tests, in particular to a large-deformation testing device for geotechnical cloth wide strip tensile tests.

Background

The geotextile, also called geotextile, is a water permeable geosynthetic material formed by needling or weaving synthetic fibers, and the tensile deformation effect of the geotextile needs to be tested in the production process of the geotextile, so that a large deformation testing device for a wide strip tensile test of the geotextile is needed.

In chinese utility model patent application no: disclosed in CN201922285734.X is a geotextile stretching equipment, the on-line screen storage device comprises a base, walking beam and fixed frame, be equipped with two stands on the base, and be equipped with the back timber between the top of stand, be equipped with down the connecting rod on the base, walking beam sets up between the stand, and be equipped with force sensor on the walking beam, force sensor's bottom is connected with the connecting rod, two fixed frames weld respectively at the end of last connecting rod and lower connecting rod, can combine tensile force numerical value and tensile length can obtain the tensile strength of geotextile, and is convenient and fast, the device has not good to the fixed effect of geotextile, lead to the tensile in-process to appear sliding and influence ultimate test result easily, and the test numerical value is not accurate.

Therefore, it is necessary to provide a large deformation testing device for a geotextile wide strip tensile test to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a large deformation testing device for a geotextile wide strip tensile test, which can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the large-deformation testing device for the geotextile wide strip tensile test comprises a device body, wherein a first fixing rod is fixedly connected to the right side of an inner cavity of the device body, pulling devices are symmetrically and fixedly connected to the middle parts of wall bodies on the upper side and the lower side of the inner cavity of the device body, a first fixing plate is fixedly connected to the opposite sides of the pulling devices on the upper side and the lower side, clamping plates are symmetrically arranged on the opposite sides of the two first fixing plates, a lifting block is fixedly connected to the right side of the first fixing plate, connecting columns are symmetrically and fixedly connected to the opposite sides of the upper lifting block and the lower lifting block, a sleeve ring is sleeved at one end, away from the lifting block, of each connecting column, a first fixing block is fixedly connected to the left end of each sleeve ring, a clamping strip main plate is fixedly connected to the left end of each first fixing block, a clamping groove is formed in the front side of the left end of each clamping strip main plate, which is close to the first fixing block, rivets are inserted into the clamping strip main plate, the upper and lower both ends symmetry fixedly connected with second fixed plate of rivet, the one end that the holding strip mainboard was kept away from to the second fixed plate is rotated through the rivet and is connected with the holding strip backplate, the one end that the second fixed plate was kept away from to the holding strip backplate is rotated through the fixed column and is connected with the rotor plate, the one end middle part that the holding strip backplate was kept away from to the rotor plate has seted up the card hole, the dead ahead of splint is inserted and is equipped with the threaded rod, the front end of threaded rod is inserted and is equipped with the second dead lever, the rear side middle part fixedly connected with second fixed block of holding strip mainboard, the middle part of holding strip mainboard and holding strip backplate is provided with geotechnological cloth.

Preferably, two the upper and lower both ends at first dead lever are established to the lifter block cover, the middle part at first dead lever is established to the spliced pole cover, the quantity of splint is four, splint press from both sides tightly through rotating the threaded rod, the upper and lower both ends of geotechnological cloth are pressed from both sides tightly by splint.

Preferably, the holding strip back plate is arranged on the rear side of the holding strip main plate, the length of the holding strip back plate is the same as that of the holding strip main plate, and the position of the rotating plate corresponds to that of the clamping groove.

Preferably, the size of the clamping hole is the same as the size of the cross section of the holding strip main board, the clamping hole is arranged at the left end of the holding strip main board in a sleeved mode, the width of the clamping groove is the same as the width of one end, far away from the fixed column, of the rotating plate, and the end, far away from the fixed column, of the clamping hole is clamped into the clamping groove.

Preferably, the wall body of the second fixed block is attached to the wall body of the geotextile, and the distance between the upper and lower second fixed blocks is sixty centimeters.

Preferably, the pulling device can drive the first fixing plate to move up and down, so that the distance between the upper clamping plate and the lower clamping plate is changed, and the distance between the other second fixing blocks is changed.

Advantageous effects

Compared with the prior art, the utility model provides a large deformation testing device for a geotextile wide strip tensile test, which has the following beneficial effects:

1. this geotechnological cloth wide strip tensile test large deformation testing arrangement, through the splint and the threaded rod that set up, the cooperation of second dead lever, first fixed plate, pulling device, elevator, can change the distance of two first fixed plates from top to bottom through starting the pulling device, conveniently detect the tensile properties of geotechnological cloth, it is rotatory to drive the threaded rod through the second dead lever, and then the distance between two splint is convenient fixes geotechnological cloth around changing, conveniently detects geotechnological cloth.

2. This geotechnique's cloth width tensile test large deformation testing arrangement, through the holding strip mainboard and rivet, second fixed plate, holding strip backplate, fixed column, rotor plate, card hole, the cooperation of draw-in groove that set up, can press from both sides tightly geotechnological cloth, can press from both sides the fastening to geotechnological cloth through the cooperation in rotor plate and draw-in groove, card hole, conveniently press from both sides tightly fixedly to geotechnological cloth, increase the fixed effect to geotechnological cloth, conveniently put simultaneously and get geotechnological cloth.

3. This geotechnological cloth wide strip tensile test large deformation testing arrangement can increase the clamping-force of holding strip mainboard and holding strip backplate to geotechnological cloth through the second fixed block that sets up, improves fixed effect, increases the accuracy that detects tensile properties.

Drawings

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

FIG. 2 is an enlarged view of a portion of the utility model at A in FIG. 1;

fig. 3 is a partial enlarged view of the present invention at B in fig. 1.

In the figure: 1. a device body; 2. a first fixing lever; 3. a pulling device; 4. a first fixing plate; 5. a splint; 6. a lifting block; 7. connecting columns; 8. a collar; 9. a first fixed block; 10. a holding strip main board; 11. riveting; 12. a second fixing plate; 13. a gib back plate; 14. fixing a column; 15. a rotating plate; 16. a clamping hole; 17. a card slot; 18. a threaded rod; 19. a second fixing bar; 20. a second fixed block; 21. and (4) geotextile.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

As shown in figures 1-3, the geotechnical cloth wide strip tensile test large deformation testing device comprises a device body 1, a first fixing rod 2 is fixedly connected to the right side of an inner cavity of the device body 1, pulling devices 3 are symmetrically and fixedly connected to the middle portions of upper and lower side wall bodies of the inner cavity of the device body 1, the pulling devices 3 can drive a first fixing plate 4 to move up and down, so that the distance between the upper and lower four clamping plates 5 is changed, so that the distance between another second fixing block 20 is changed, a first fixing plate 4 is fixedly connected to one opposite side of the upper and lower side pulling devices 3, clamping plates 5 are symmetrically arranged on one opposite side of the two first fixing plates 4, the four clamping plates 5 are clamped through a rotating threaded rod 18, lifting blocks 6 are fixedly connected to the right side of the first fixing plate 4, the two lifting blocks 6 are sleeved at the upper and lower ends of the first fixing rod 2, connecting columns 7 are symmetrically and fixedly connected to one opposite side of the upper and lower lifting blocks 6, the connecting column 7 is sleeved on the middle part of the first fixing rod 2, a sleeve ring 8 is sleeved at one end of the connecting column 7, which is far away from the lifting block 6, a first fixing block 9 is fixedly connected at the left end of the first fixing block 9, a holding strip main board 10 is fixedly connected at the left end of the holding strip main board 10, a clamping groove 17 is formed in the front side of the left end of the holding strip main board 10, the width of the clamping groove 17 is the same as that of one end of the rotating board 15, which is far away from the fixing column 14, a rivet 11 is inserted at one end of the holding strip main board 10, which is close to the first fixing block 9, a second fixing board 12 is symmetrically and fixedly connected at the upper end and the lower end of the rivet 11, a holding strip back board 13 is rotatably connected at one end of the second fixing board 12 through the rivet 11, the holding strip back board 13 is arranged at the rear side of the holding strip main board 10, the length of the holding strip back board 13 is the same as that of the holding strip main board 10, and one end of the holding strip back board 13, which is far away from the second fixing board 12, is rotatably connected with the rotating board 15 through the fixing column 14, the position of the rotating plate 15 corresponds to the position of the clamping groove 17, a clamping hole 16 is formed in the middle of one end, away from the holding strip back plate 13, of the rotating plate 15, the clamping hole 16 is the same as the size of the cross section of the holding strip main plate 10, the clamping hole 16 is sleeved at the left end of the holding strip main plate 10, one end, away from the fixing column 14, of the clamping hole 16 is clamped into the clamping groove 17, the geotechnical cloth 21 can be clamped conveniently through the matching of the arranged holding strip main plate 10, the rivet 11, the second fixing plate 12, the holding strip back plate 13, the fixing column 14, the rotating plate 15, the clamping hole 16 and the clamping groove 17, the geotechnical cloth 21 can be clamped and fixed conveniently through the matching of the rotating plate 15, the clamping groove 17 and the clamping hole 16, the fixing effect on the geotechnical cloth 21 is improved, meanwhile, the geotechnical cloth 21 is convenient to be put and taken out, a threaded rod 18 is inserted in front of the clamping plate 5, a second fixing rod 19 is inserted at the front end of the threaded rod 18, and the clamping plate 5, the threaded rod 18, and the clamping groove 17, The matching of the second fixing rod 19, the first fixing plate 4, the pulling device 3 and the lifting block 6 can change the distance between the upper and lower first fixing plates 4 by starting the pulling device 3, so as to conveniently detect the tensile property of the geotextile 21, the threaded rod 18 is driven to rotate by the second fixing rod 19, so as to change the distance between the front and rear clamping plates 5, so as to conveniently fix the geotextile 21, so as to conveniently detect the geotextile 21, the middle part of the rear side of the clamping strip main plate 10 is fixedly connected with the second fixing block 20, the wall body of the second fixing block 20 is attached to the wall body of the geotextile 21, the distance between the upper and lower second fixing blocks 20 is sixty centimeters, the geotextile 21 is arranged in the middle parts of the clamping strip main plate 10 and the clamping strip back plate 13, the upper and lower ends of the geotextile 21 are clamped by the clamping plates 5, and the clamping force of the clamping strip main plate 10 and the clamping strip back plate 13 to the geotextile 21 can be increased by the arranged second fixing blocks 20, improve fixed effect, increase the accuracy that detects tensile properties.

The first embodiment is as follows: the right side of the device body 1 can be provided with a control device, so that the pulling device 3 is conveniently controlled and operated.

The second embodiment is as follows: the middle part of the device body 1 is provided with the transparent glass cover, so that the dustproof protection effect can be achieved, and the service life of the device is further prolonged.

It should be noted that, the utility model is a large deformation testing device for a geotextile wide strip tensile test, when in use, the geotextile 21 is only required to be prevented in the middle of the upper and lower first fixing plates 4, then the first fixing block 9 is rotated to drive the threaded rod 18 to rotate, the upper and lower ends of the geotextile 21 are clamped by the clamping plate 5, then the geotextile 21 is placed in the middle of the clamping strip main plate 10 and the clamping strip back plate 13, then the distance between the upper and lower second fixing blocks 20 is adjusted to sixty centimeters by starting the pulling device 3, then the rotating plate 15 is rotated to sleeve the clamping hole 16 at the left end of the clamping strip main plate 10, so that one end of the rotating plate 15 far away from the fixing column 14 is clamped into the clamping groove 17, at this time, the geotextile 21 can be fixed by the second fixing block 20, then the pulling device 3 is started to move the two first fixing plates 4 in opposite directions, the connecting column 7 drives the lantern ring 8 to move, and then, the geotextile 21 is subjected to a tensile test, and the process can be completed.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. Big deformation test device of geotechnological cloth wide strip tensile test, including device body (1), its characterized in that: the device comprises a device body (1), wherein a first fixing rod (2) is fixedly connected to the right side of an inner cavity of the device body (1), pulling devices (3) are symmetrically and fixedly connected to the middle of wall bodies on the upper side and the lower side of the inner cavity of the device body (1), a first fixing plate (4) is fixedly connected to one opposite side of each of the pulling devices (3) on the upper side and the lower side, clamping plates (5) are symmetrically arranged on one opposite side of each of the two first fixing plates (4), lifting blocks (6) are fixedly connected to the right side of each first fixing plate (4), connecting columns (7) are symmetrically and fixedly connected to one opposite side of each of the two lifting blocks (6) on the upper side and the lower side, a sleeve ring (8) is sleeved on one end, away from the lifting blocks (6), of each connecting column (7), a first fixing block (9) is fixedly connected to the left end of the sleeve ring (8), and a clamping strip main board (10) is fixedly connected to the left end of the first fixing block (9), a clamping groove (17) is formed in the front side of the left end of the clamping strip main board (10), a rivet (11) is inserted into one end, close to the first fixing block (9), of the clamping strip main board (10), a second fixing plate (12) is symmetrically and fixedly connected to the upper end and the lower end of the rivet (11), one end, far away from the clamping strip main board (10), of the second fixing plate (12) is rotatably connected with a clamping strip back plate (13) through the rivet (11), one end, far away from the second fixing plate (12), of the clamping strip back plate (13) is rotatably connected with a rotating plate (15) through a fixing column (14), a clamping hole (16) is formed in the middle of one end, far away from the clamping strip back plate (13), of the rotating plate (15), a threaded rod (18) is inserted right in front of the clamping plate (5), a second fixing rod (19) is inserted into the front end of the threaded rod (18), and a second fixing block (20) is fixedly connected to the middle of the rear side of the clamping strip main board (10), and geotextile (21) is arranged in the middle of the holding strip main board (10) and the holding strip back board (13).

2. The geotextile wide strip tensile test large deformation testing device of claim 1, which is characterized in that: two the upper and lower both ends at first dead lever (2) are established to lifter block (6) cover, the middle part at first dead lever (2) is established to spliced pole (7) cover, the quantity of splint (5) is four, splint (5) press from both sides tightly through rotating threaded rod (18), the upper and lower both ends of geotechnological cloth (21) are pressed from both sides tightly by splint (5).

3. The geotextile wide strip tensile test large deformation testing device of claim 1, which is characterized in that: the holding strip back plate (13) is arranged on the rear side of the holding strip main plate (10), the length of the holding strip back plate (13) is the same as that of the holding strip main plate (10), and the position of the rotating plate (15) corresponds to that of the clamping groove (17).

4. The geotextile wide strip tensile test large deformation testing device of claim 1, which is characterized in that: the size of card hole (16) is the same with the cross-section size of holding strip mainboard (10), the left end at holding strip mainboard (10) is established in card hole (16), the width of draw-in groove (17) is the same with the one end width that fixed column (14) were kept away from in rotor plate (15), the inside of draw-in groove (17) is gone into to the one end card that fixed column (14) were kept away from in card hole (16).

5. The geotextile wide strip tensile test large deformation testing device of claim 1, which is characterized in that: the wall body of the second fixed block (20) is attached to the wall body of the geotextile (21), and the distance between the upper fixed block and the lower fixed block (20) is sixty centimeters.

6. The geotextile wide strip tensile test large deformation testing device of claim 1, which is characterized in that: the pulling device (3) can drive the first fixing plate (4) to move up and down, so that the distance between the upper clamping plate and the lower clamping plate (5) is changed, and the distance between the other second fixing blocks (20) is changed.