CN216870343U

CN216870343U - Test device for on-site detection of bonding strength of sprayed concrete

Info

Publication number: CN216870343U
Application number: CN202123285650.XU
Authority: CN
Inventors: 王�华; 汤荣; 王慧妍
Original assignee: Sinohydro Bureau 7 Co Ltd
Current assignee: Sinohydro Bureau 7 Co Ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-07-01
Anticipated expiration: 2031-12-24

Abstract

The utility model relates to the technical field of concrete bonding strength tests, in particular to a test device for detecting the bonding strength of sprayed concrete on site, which comprises a base, wherein the top end of the inner side of the base is rotatably connected with an adjusting threaded shaft, the outer side of the adjusting threaded shaft is spirally connected with a support rod, the utility model adopts a worm wheel, an adjusting threaded shaft, a clamping sleeve and a universal wheel, when the device is used, the clamping sleeve and the clamping block are clamped together by rotating a positioning threaded shaft, then the device is moved to a specified position by the universal wheel, then the supporting threaded shaft is rotated to be spirally connected with a sliding plate, a worm is rotated to be meshed with the worm wheel to be spirally connected with the adjusting threaded shaft and the support rod, and finally, the horizontal position of the experimental device is adjusted by rotating a fixed threaded shaft, so that the movement and height adjustment of the experimental device are convenient, the operation is time-saving and labor-saving, and the safety in the operation process is ensured, the labor cost is reduced, and the operation efficiency is improved.

Description

Test device for on-site detection of bonding strength of sprayed concrete

Technical Field

The utility model relates to the technical field of concrete bonding strength tests, in particular to a test device for detecting the bonding strength of sprayed concrete on site.

Background

The concrete is artificial stone which is prepared by taking cement as a main cementing material, mixing water, sand, stones and chemical additives and mineral admixtures as necessary according to a proper proportion, uniformly stirring, densely forming, curing and hardening, and is mainly divided into two stages and states: plastic state before setting and hardening, namely fresh concrete or concrete mixture; the hardened hard state is hardened concrete or concrete, the concrete strength grade is divided by a cubic compression strength standard value, the Chinese common concrete strength grade is divided into 14 grades, and in the concrete, sand and stone play a role of a framework and are called aggregate; cement and water form cement paste, the cement paste wraps up on the aggregate surface and packs its space, before hardening, cement paste plays the lubrication action, give the mixture certain workability, the construction of being convenient for, after the cement paste hardens, then glue the aggregate into a solid whole, in order to guarantee the normal use of concrete, along with the continuous development of society, to the application of concrete experimental apparatus more and more, but partial on-the-spot test sprays concrete bonding strength's test device when using, because jack and reaction frame are heavier when carrying out the use for the experiment, so manual operation gets up to waste time and energy, and there is certain potential safety hazard in the operation process.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a test device for detecting the bonding strength of sprayed concrete on site so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a test device of witnessed inspections shotcrete bonding strength, includes the base, the inboard top of base is rotated and is connected with the regulation threaded spindle, regulation threaded spindle outside screwed connection has the bracing piece, and bracing piece and base sliding connection, regulation threaded spindle outside bottom fixedly connected with worm wheel, the meshing of the worm wheel outside is connected with the worm, and the worm rotates with the base to be connected, bracing piece outside top sliding connection has the fixing base, the fixing base top is equipped with the jack combination, jack combination top fixedly connected with fixture block, the base bottom is equipped with the universal wheel.

Preferably, the top end of the supporting rod is fixedly connected with a buffer block, the buffer block is fixedly connected with the fixing seat, and the buffer block is made of a rubber plate.

Preferably, the inner side of the fixing seat is rotatably connected with a fixed threaded shaft, the fixed threaded shaft penetrates through the fixing seat, the outer side of the fixed threaded shaft is spirally connected with a supporting block, the supporting block is in sliding connection with the fixing seat, and the supporting block is sleeved on the outer side of the jack assembly.

Preferably, the top end of the supporting block is rotatably connected with a positioning threaded shaft, the positioning threaded shaft penetrates through the supporting block, a clamping sleeve is spirally connected to the outer side of the positioning threaded shaft, the clamping sleeve is connected with the supporting block in a sliding mode, and the clamping sleeve is connected with the clamping block in a clamping mode.

Preferably, the top end of the universal wheel is fixedly connected with a sliding plate, the sliding plate is connected with the base in a sliding mode, the top end of the inner side of the sliding plate is spirally connected with a supporting threaded shaft, the supporting threaded shaft penetrates through the base, the supporting threaded shaft is connected with the base in a rotating mode, and the periphery of the outer side of the base is fixedly connected with level rulers.

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

1. according to the utility model, through the arrangement of the worm wheel, the adjusting threaded shaft, the clamping sleeve and the universal wheel, when the device is used, the clamping sleeve and the clamping block are clamped together by rotating the positioning threaded shaft, then the device is moved to a specified position through the universal wheel, then the supporting threaded shaft and the sliding plate are rotated to be in spiral connection, the worm is rotated to be meshed with the worm wheel to enable the adjusting threaded shaft and the supporting rod to be in spiral connection, and finally the fixed threaded shaft is rotated to adjust the horizontal position of the jack combination, so that the moving and height adjustment of experimental equipment are facilitated, the operation is time-saving and labor-saving, the safety in the operation process is ensured, the labor cost is reduced, and the operation efficiency is improved.

Drawings

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

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

fig. 3 is a schematic sectional view of the skateboard of the present invention.

In the figure: 1-base, 2-adjusting threaded shaft, 3-support rod, 4-worm wheel, 5-worm, 6-fixing seat, 7-buffer block, 8-jack combination, 9-fixing threaded shaft, 10-support block, 11-fixture block, 12-positioning threaded shaft, 13-clamping sleeve, 14-universal wheel, 15-sliding plate, 16-supporting threaded shaft and 17-level gauge.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution:

a test device for detecting the bonding strength of sprayed concrete on site comprises a base 1, wherein the top end of the inner side of the base 1 is rotatably connected with an adjusting threaded shaft 2, the outer side of the adjusting threaded shaft 2 is spirally connected with a support rod 3, the support rod 3 is slidably connected with the base 1, the bottom end of the outer side of the adjusting threaded shaft 2 is fixedly connected with a worm wheel 4, the outer side of the worm wheel 4 is meshed with a worm 5, the worm 5 is rotatably connected with the base 1, the top end of the outer side of the support rod 3 is slidably connected with a fixed seat 6, the top end of the support rod 3 is fixedly connected with a buffer block 7, the buffer block 7 is fixedly connected with the fixed seat 6, the buffer block 7 is made of a rubber plate, the device is convenient for buffering a jack assembly 8 during moving of the device, the top end of the fixed seat 6 is provided with the jack assembly 8, the inner side of the fixed seat 6 is rotatably connected with a fixed threaded shaft 9, and the fixed threaded shaft 9 penetrates through the fixed seat 6, the outer side of the fixed threaded shaft 9 is spirally connected with a supporting block 10, the supporting block 10 is connected with the fixed seat 6 in a sliding manner, the supporting block 10 is sleeved on the outer side of the jack combination 8, the arrangement is convenient for adjusting the horizontal position of the jack combination 8, the top end of the jack combination 8 is fixedly connected with a clamping block 11, the top end of the supporting block 10 is rotatably connected with a positioning threaded shaft 12, the positioning threaded shaft 12 penetrates through the supporting block 10, the outer side of the positioning threaded shaft 12 is spirally connected with a clamping sleeve 13, the clamping sleeve 13 is connected with the supporting block 10 in a sliding manner, the clamping sleeve 13 is connected with the clamping block 11 in a clamping manner, the arrangement is convenient for connecting the jack combination 8 and the supporting block 10, the bottom end of the base 1 is provided with a universal wheel 14, the top end of the universal wheel 14 is fixedly connected with a sliding plate 15, the sliding plate 15 is connected with the base 1 in a sliding manner, the top end of the inner side of the sliding plate 15 is spirally connected with a supporting threaded shaft 16, and the supporting threaded shaft 16 penetrates through the base 1, support threaded shaft 16 and base 1 and rotate to be connected, equal fixedly connected with level bar 17 all around in the base 1 outside, and the levelness when this kind of setting is convenient for use the device is adjusted, and easy operation is convenient.

The working process is as follows: when the device is used, the jack combination 8 is inserted into the supporting block 10, then the positioning threaded shaft 12 is rotated to clamp the clamping sleeve 13 and the clamping block 11 together, so that the jack combination 8 is connected with the supporting device, then the device is moved to a specified position by matching with the universal wheel 14, the buffer block 7 made of rubber continuously buffers the device at the moment, the supporting threaded shaft 16 is rotated according to the flatness of the ground so as to be in spiral connection with the corresponding sliding plate 15, the sliding plate 15 continuously slides with the base 1 at the moment, when the device is observed to be in a horizontal state by the leveling ruler 17, the worm 5 is rotated to be meshed with the worm wheel 4, so that the adjusting threaded shaft 2 is driven to be in spiral connection with the supporting rod 3, so that the height of the device is adjusted, after the adjustment is completed, the fixed threaded shaft 9 is rotated to be in spiral connection with the supporting block 10 continuously, so that the horizontal position of the jack combination 8 is adjusted, the device can be used after being adjusted, and the operation is simple and convenient.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a test device of witnessed inspections shotcrete bonding strength, includes base (1), its characterized in that: the utility model discloses a quick-witted support, including base (1), regulation threaded shaft (2) inboard top rotate to be connected with regulation threaded shaft (2), regulation threaded shaft (2) outside threaded connection has bracing piece (3), and bracing piece (3) and base (1) sliding connection, regulation threaded shaft (2) outside bottom fixedly connected with worm wheel (4), worm wheel (4) outside meshing is connected with worm (5), and worm (5) rotate with base (1) to be connected, bracing piece (3) outside top sliding connection has fixing base (6), fixing base (6) top is equipped with jack combination (8), jack combination (8) top fixedly connected with fixture block (11), base (1) bottom is equipped with universal wheel (14).

2. The test device for detecting the bonding strength of the sprayed concrete on site according to claim 1, wherein: bracing piece (3) top fixedly connected with buffer block (7), and buffer block (7) and fixing base (6) fixed connection, buffer block (7) are made by the panel of rubber material.

3. The test device for detecting the bonding strength of the sprayed concrete on site according to claim 1, wherein: the inner side of the fixing seat (6) is rotatably connected with a fixed threaded shaft (9), the fixed threaded shaft (9) penetrates through the fixing seat (6), a supporting block (10) is spirally connected to the outer side of the fixed threaded shaft (9), the supporting block (10) is in sliding connection with the fixing seat (6), and the supporting block (10) is sleeved on the outer side of the jack combination (8).

4. The test device for detecting the bonding strength of the sprayed concrete on site according to claim 3, wherein: the supporting block fixing device is characterized in that a positioning threaded shaft (12) is rotatably connected to the top end of the supporting block (10), the positioning threaded shaft (12) penetrates through the supporting block (10), a clamping sleeve (13) is spirally connected to the outer side of the positioning threaded shaft (12), the clamping sleeve (13) is slidably connected with the supporting block (10), and the clamping sleeve (13) is connected with the clamping block (11) in a clamping mode.

5. The test device for detecting the bonding strength of the sprayed concrete on site according to claim 1, wherein: universal wheel (14) top fixedly connected with slide (15), and slide (15) and base (1) sliding connection, slide (15) inboard top spiral connection has support threaded shaft (16), and supports threaded shaft (16) and run through base (1), support threaded shaft (16) and base (1) rotate to be connected, equal fixedly connected with spirit level (17) all around in base (1) outside.