CN211476963U - Expansion joint width detection device - Google Patents

Abstract

The utility model relates to an expansion joint width detection device, which comprises a main rod and two rolling test components arranged on the main rod, wherein the two rolling test components are symmetrically arranged on the main rod, and the axle wires of the two rolling test components are on the same straight line and are perpendicular to the axle wire of the main rod; the rolling test assembly comprises a hollow pipe arranged on the main rod, a compression spring arranged in the hollow pipe, a pushing plate arranged in the hollow pipe and connected with the compression spring, a connecting rod arranged on the pushing plate, a rolling piece arranged on the connecting rod, a measuring rod connected with the pushing plate and a measuring scale arranged on the main rod; open on the hollow tube and have the seam, the dipperstick stretches out the hollow tube through the seam, and the axis of connecting rod and the axis of slurcam, compression spring are on same straight line, measuring stick perpendicular to connecting rod, dipperstick perpendicular to measuring stick. The utility model provides an when attaching debris on the expansion joint lateral wall, the unsafe problem of probe class instrument to expansion joint width detection.

Description

Expansion joint width detection device

Technical Field

The utility model belongs to the technical field of the technique that the expansion joint detected and specifically relates to a width detection device of expansion joint is related to.

Background

The expansion joint is a structural joint provided at an appropriate position along the direction of a construction joint of a building or a structure to prevent the structure from being cracked or damaged due to a change in weather temperature (thermal expansion or cold contraction).

The expansion joint is always the most important thing in construction, so after the construction of building components is completed, the expansion joint often needs to be detected, but most of the detection devices for the expansion joint used at present are probe instruments, but when the expansion joint is detected by the probe instruments, if sundries are attached to the side wall of the expansion joint, the sundries are easy to interfere the detection of the expansion joint width by the probe instruments, and the inaccuracy of the data of the detection of the expansion joint width is caused.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing an expansion joint width detection device, when it had solved on the expansion joint lateral wall with debris, the unsafe problem of probe class instrument to expansion joint width detection has improved the authenticity of expansion joint width detection data.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the device for detecting the width of the expansion joint comprises a main rod and two rolling test assemblies arranged on the main rod, wherein the two rolling test assemblies are symmetrically arranged on the main rod, and the central axes of the two rolling test assemblies are on the same straight line and are perpendicular to the central axis of the main rod;

the rolling test assembly comprises a hollow pipe arranged on the main rod, a compression spring arranged in the hollow pipe, a pushing plate arranged in the hollow pipe and connected with the compression spring, a connecting rod arranged on the pushing plate, a rolling piece arranged on the connecting rod, a measuring rod connected with the pushing plate and a measuring scale arranged on the main rod;

the hollow pipe is provided with a seam, the measuring scale extends out of the hollow pipe through the seam, the central axis of the connecting rod is in the same straight line with the central axis of the pushing plate and the central axis of the compression spring, the measuring rod is perpendicular to the connecting rod, and the measuring scale is perpendicular to the measuring rod.

Through adopting above-mentioned technical scheme, put into the expansion joint with the test subassembly that rolls, and rotate the mobile jib, make the lateral wall at the axis perpendicular to expansion joint of connecting rod, then observe the scale interval on the dipperstick that two measuring sticks indicate, then in addition two slurcam to the furthest distance of rolling member, be the width value at expansion joint, then hold the mobile jib in hand and remove, make the rolling member roll on the lateral wall at expansion joint, observe the scale interval on the dipperstick that two measuring sticks correspond, can observe the change of the width at the expansion joint of different positions.

The utility model discloses further set up to: the rolling piece comprises an installation block and a ball arranged in the installation block, and a ball groove is formed in the installation block;

the ball is located in the ball groove, extends out of the ball groove and is used for abutting against the wall to roll.

Through adopting above-mentioned technical scheme, with the ball butt on the lateral wall at the expansion joint, observe the data of the dipperstick that the measuring stick indicates, the pulling mobile jib makes the ball roll on the lateral wall at the expansion joint, observes the change of the scale of the dipperstick that two measuring sticks indicate.

The utility model discloses further set up to: lubricating oil is coated on the ball bearings.

Through adopting above-mentioned technical scheme, through scribbling lubricating oil on the ball, increased the lubricity of ball in the ball groove, make that the ball can be better roll on the lateral wall at ball groove and expansion joint.

The utility model discloses further set up to: the hollow pipe is provided with a supporting plate, and the connecting rod is connected with the supporting plate in a sliding manner.

Through adopting above-mentioned technical scheme, through setting up the backup pad on the hollow tube, make connecting rod sliding connection in the backup pad to the stability of the connecting rod when having increased the connecting rod and having driven the rolling member and roll.

The utility model discloses further set up to: the number of the connecting rods is three.

Through adopting above-mentioned technical scheme, set up to three through the quantity with the connecting rod to on dividing the moment of flexure that the mount pad caused the connecting rod to three connecting rod, avoided single connecting rod because of the too big phenomenon of rupture of moment of flexure.

The utility model discloses further set up to: the measuring rod is connected to the measuring scale in a sliding mode.

Through adopting above-mentioned technical scheme, increased the stability of measuring stick at the dipperstick, made the measuring stick be difficult for droing on the dipperstick.

The utility model discloses further set up to: the main rod is provided with a grab handle.

Through adopting above-mentioned technical scheme for the staff of being convenient for more of mobile jib carries out the gripping.

To sum up, the utility model discloses a beneficial technological effect does:

1. put into the expansion joint with the roll test subassembly in, and rotate the mobile jib, make the lateral wall at the axis perpendicular to expansion joint of connecting rod, then observe the scale interval on the dipperstick that two measuring sticks indicate, then in addition two slurcam to the furthest distance of rolling member, be the width value at expansion joint, then hold the mobile jib in hand and remove, make the rolling member roll on the lateral wall at expansion joint, observe the scale interval on the dipperstick that two measuring sticks correspond, can observe the change of the width at the expansion joint of different positions.

2. The ball is abutted on the side wall of the expansion joint, the data of the measuring scale indicated by the measuring rod is observed, the main rod is pulled, the ball rolls on the side wall of the expansion joint, and the change of the scales of the measuring scale indicated by the two measuring rods is observed.

Drawings

Fig. 1 is an isometric view of an embodiment of the invention.

Fig. 2 is a left side view of fig. 1.

Fig. 3 is a sectional view taken in the direction of a-a in fig. 2.

In the figure, 11, the main rod; 12. a handle; 21. a hollow tube; 22. a compression spring; 23. a push plate; 24. a connecting rod; 25. a rolling member; 251. a mounting seat; 252. a ball bearing; 26. a measuring rod; 27. measuring a scale; 28. and a support plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, it is the embodiment of the present invention discloses an expansion joint width detection device, which includes a main rod 11 and two rolling test assemblies disposed on the main rod 11. Two rolling test component symmetries are established on mobile jib 11, and the axis of two rolling test component is located collinear to the axis of rolling test component perpendicular to mobile jib 11. During the use, two roll test component support respectively on two lateral walls at the expansion joint.

Referring to fig. 1, the main rod 11 is a square rod, one end of the main rod 11 is fixed to the grip 12, and when the tool is used, a worker grips the grip 12.

Referring to fig. 1 to 3, the rolling test assemblies are disposed on one end of the main rod 11 away from the grip 12, and the two rolling test assemblies are symmetrically disposed on opposite sides of the main rod 11. The rolling test assembly comprises a hollow pipe 21 arranged on the main rod 11, a compression spring 22 arranged in the hollow pipe 21, a push plate 23 arranged in the hollow pipe 21 and connected with the compression spring 22, a connecting rod 24 arranged on the push plate 23, a rolling piece 25 arranged on the connecting rod 24, a measuring rod 26 connected with the push plate 23, a measuring scale 27 arranged on the main rod 11 and a supporting plate 28 arranged on the hollow pipe 21.

The hollow pipe 21 is a circular pipe, one end of the hollow pipe 21 is welded on the main rod 11, the other end of the hollow pipe is arranged towards the outside, and the axis of the hollow pipe 21 is perpendicular to the central axis of the main rod 11 and is positioned in the same plane. The axes of the two hollow tubes 21 are located on the same line. The compression spring 22 is completely positioned in the hollow tube 21, and the compression spring 22 is fixedly connected with the main rod 11. The pushing plate 23 is positioned in the hollow tube 21, the pushing plate 23 is fixedly connected with the compression spring 22, and the pushing plate 23 is positioned at one end of the compression spring 22 far away from the main rod 11.

The number of the connecting rods 24 is three, the three connecting rods 24 are uniformly distributed along the axis of the push plate 23, and the axes of the three connecting rods 24 are all parallel to the axis of the push plate 23. The rolling members 25 are fixed on the three connecting rods 24, and the central axes of the rolling members 25 and the axis of the pushing plate 23 are positioned on the same straight line. The rolling member 25 is composed of a mounting seat 251 and a ball 252, the mounting seat 251 is formed by welding two mounting blocks in half and half, a ball groove is formed in the welded mounting seat 251, the ball 252 is located in the ball groove, a gap exists between the ball groove and the ball 252, the radius of the section of the ball groove is 0.6-0.7 times of the radius of the ball groove, and namely the ball 252 can only be exposed in a small part of the ball groove. When the expansion joint is used, lubricating oil is coated on the ball 252, and the ball abuts against the side wall of the expansion joint.

Seted up the gap on hollow tube 21's the lateral wall, the gap is seted up along hollow tube 21's axis direction, and measuring stick 26's one end fixed connection is on the side of slurcam 23, and measuring stick 26 stretches into hollow tube 21 through the gap in, the axis of measuring stick 26's axis perpendicular to slurcam 23, and measuring stick 26 moves along with slurcam 23. The dipperstick 27 is fixed on the side of mobile jib 11, and the dipperstick 27 perpendicular to mobile jib 11's axis, and the dipperstick 27 is located between grab handle 12 and the hollow tube 21, and is close to the one end setting of grab handle 12, is equipped with the sliding ring on the measuring stick 26, and the one end of keeping away from hollow tube 21 is established to the sliding ring on the measuring stick 26, and the measuring stick 26 passes through sliding ring sliding connection on the dipperstick 27.

The supporting plate 28 is fixed on the hollow tube 21, the supporting plate 28 is located at one end of the hollow tube 21 far away from the main rod 11, and the supporting plate 28 is used for blocking the opening of the hollow tube 21. The support plate 28 is provided with three holes through which the common connecting rods 24 pass.

During the installation, earlier fix compression spring 22 and slurcam 23, then fix compression spring 22 on mobile jib 11, fix dipperstick 27 on mobile jib 11, then be connected measuring stick 26 and slurcam 23, and with measuring stick 26 sliding connection on dipperstick 27, overlap compression spring 22 with hollow tube 21 again and fix on mobile jib 11, then fix backup pad 28 on hollow tube 21, put ball 252 in the ball groove of installation piece, and weld two installation pieces, then it is fixed with mount pad 251 and connecting rod 24.

The utility model discloses working process:

referring to the figure, with ball 252 butt on the lateral wall of expansion joint, make the lateral wall of hollow tube 21 perpendicular to expansion joint, and promote mobile jib 11, make ball 252 roll on the lateral wall of expansion joint, observe the scale on the dipperstick that the measuring stick corresponds, the sum of two scale values plus two pushing plates 23 and the sum of the longest distance between ball 252 are the width of expansion joint, continue to promote mobile jib 11, make ball 252 roll on different positions, thereby can draw the width of the expansion joint in different positions, and can be according to the change of the scale value that measuring stick 26 used, the change of analysis expansion joint width.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (7)

1. The utility model provides an expansion joint width detection device which characterized in that: the device comprises a main rod (11) and two rolling test assemblies arranged on the main rod (11), wherein the two rolling test assemblies are symmetrically arranged on the main rod (11), and the central axes of the two rolling test assemblies are on the same straight line and perpendicular to the central axis of the main rod (11);

the rolling test assembly comprises a hollow pipe (21) arranged on the main rod (11), a compression spring (22) arranged in the hollow pipe (21), a pushing plate (23) arranged in the hollow pipe (21) and connected with the compression spring (22), a connecting rod (24) arranged on the pushing plate (23), a rolling piece (25) arranged on the connecting rod (24), a measuring rod (26) connected with the pushing plate (23) and a measuring scale (27) arranged on the main rod (11);

open on hollow tube (21) and have the seam, dipperstick (27) are stretched out through the seam hollow tube (21), the axis of connecting rod (24) with the axis of slurcam (23), the axis of compression spring (22) is on same straight line, measuring stick (26) perpendicular to connecting rod (24), dipperstick (27) perpendicular to measuring stick (26).

2. The expansion joint width detection device of claim 1, wherein: the rolling element (25) consists of a mounting seat (251) and a ball (252) arranged in the mounting seat (251), and a ball groove is formed in the mounting seat (251);

the ball (252) is located in the ball groove, the ball (252) extends out of the ball groove, and the ball (252) is used for rolling against a wall body.

3. The expansion joint width detection device of claim 2, wherein: lubricating oil is coated on the ball (252).

4. The expansion joint width detection device of claim 2, wherein: the hollow pipe (21) is provided with a supporting plate (28), and the connecting rod (24) is connected with the supporting plate (28) in a sliding manner.

5. The expansion joint width detection device of claim 4, wherein: the number of the connecting rods (24) is three.

6. The expansion joint width detection device of claim 1, wherein: the measuring rod (26) is connected to the measuring scale (27) in a sliding manner.

7. The expansion joint width detection device of claim 2, wherein: the main rod (11) is provided with a grab handle (12).

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