CN114279351A

CN114279351A - Bridge engineering expansion joint is with inside accurate measuring device

Info

Publication number: CN114279351A
Application number: CN202210022161.5A
Authority: CN
Inventors: 杜昀泽; 程功; 张旭; 姜美华; 冉亮; 张士超; 韩龙; 王秋
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-10
Filing date: 2022-01-10
Publication date: 2022-04-05

Abstract

The invention relates to the technical field of bridge engineering and discloses an internal accurate measuring device for a bridge engineering expansion joint, which comprises a main body, wherein a display is fixedly connected to the position, close to the upper end, of the outer circular surface of the main body, a fixing ring is rotatably connected to the position, close to the lower end, of the outer circular surface of the main body, a rubber ring is fixedly connected to the position, close to the lower end, of the inner surface of the main body, a sliding rod is slidably connected to the inner surface of the main body, a rotating shaft is fixedly connected to the inner surface of the lower end of the sliding rod, a support is rotatably connected to the outer circular surface of the rotating shaft, and a laser head is fixedly connected to the outer surface of the front end of the support. This bridge engineering expansion joint is with inside accurate measurement device possesses and to carry out the multiple spot volume to inside unevenness's expansion joint, and the inside distance in accurate expansion joint can detect measured data in real time, improves advantages such as measuring precision, and it is low to have solved the measurement precision, can not carry out accurate measuring problem to unevenness's surface.

Description

Bridge engineering expansion joint is with inside accurate measuring device

Technical Field

The invention relates to the technical field of bridge engineering, in particular to an internal accurate measuring device for a bridge engineering expansion joint.

Background

In order to meet the requirement of bridge deck deformation, expansion joints are usually arranged between two beam ends, between the beam ends and a bridge abutment or at the hinged position of a bridge, and the expansion joints are required to be capable of freely expanding and contracting in two directions parallel to and perpendicular to the axis of the bridge, so that the bridge is firm and reliable, and the bridge is smooth and free of sudden jump and noise when a vehicle runs.

When measuring, current bridge expansion joint is measuring the traditional measuring tape of application usually, but when current measuring tape measured the depths of expansion joint, usually can only measure the distance of a point, to unevenness's expansion joint internal surface, can not be accurate measure to carry out measuring in-process can not real-time observing, thereby make measuring precision reduce.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides an internal accurate measuring device for a bridge engineering expansion joint, which has the advantages of being capable of carrying out multi-point measurement on the internal uneven expansion joint, accurately measuring the distance in the expansion joint, being capable of detecting measured data in real time, improving the measuring accuracy and the like, and solves the problems that the measuring accuracy is low and the uneven surface cannot be accurately measured.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a bridge engineering expansion joint uses inside accurate measurement device, includes the main part, the outer disc of main part is close to the position fixedly connected with display of upper end, the outer disc of main part is close to the position rotation of lower extreme and is connected with solid fixed ring, the position fixedly connected with rubber ring that the main part internal surface is close to the lower extreme, the internal surface sliding connection of main part has the slide bar, the lower extreme internal surface fixedly connected with pivot of slide bar, the outer disc of pivot rotates and is connected with the support, the front end external surface fixedly connected with laser head of support.

Preferably, the front end surface of main part is close to the position of lower extreme and has seted up the slide, the internal surface sliding connection of slide has branch, the front end surface of main part is close to the position on slide right side and has seted up the fixed slot, branch is located the inside one end fixedly connected with pull rod of main part, the lower extreme fixedly connected with bull stick of pull rod.

Preferably, the rubber ring is located the internal surface lower extreme edge of main part, and the rubber ring is the round platform shape, the main part is the round platform shape with the junction of rubber ring, gu fixed ring locates threaded connection with the round platform of main part.

Preferably, the number of the fixing grooves in the main body is a plurality, the fixing grooves are communicated with the inside of the slide way, and the main body is connected with the inner surface of the fixing grooves in a sliding mode.

Preferably, the number of the supports is two, the supports are connected with the rotating shaft in a sliding mode, and the supports are located on two sides of the rotating shaft and connected with the rotating shaft in a sliding mode.

Preferably, the quantity of laser head is a plurality of, every the position that the laser head is located support inside all is connected with laser range finder, display and laser range finder electric connection.

Preferably, the number of the rotating rods is two, the rotating rods are fixedly connected with the pull rod, the two rotating rods are fixedly connected with one support respectively, and the pull rod penetrates through the rotating shaft and the sliding rod.

Compared with the prior art, the invention provides an internal accurate measuring device for a bridge engineering expansion joint, which has the following beneficial effects:

1. this bridge engineering is inside accurate measuring device for expansion joint, make the slide bar slide in the main part through solid fixed ring, adjust the length of slide bar according to actual conditions, after the position of adjustment slide bar to needs, rotate solid fixed ring, thereby make solid fixed ring begin to extrude the round platform department of main part, thereby make the rubber ring receive the extrusion and begin to exert pressure to the slide bar, make the slide bar not sliding, screw up solid fixed ring and can make the slide bar fixed, can obtain measured data in real time through the display, the convenience of use has been improved, and length through adjusting the slide bar, improve the degree of depth that measuring instrument can stretch into, thereby the guarantee is to the inside measuring precision of expansion joint.

2. This bridge engineering expansion joint uses inside accurate measurement device, through pulling branch, make branch slide in the slide, it removes to drive the pull rod through branch, the pull rod drives the bull stick and rotates, the bull stick rotates and drives the support and rotate in the pivot, until two support degree, form "one" word shape, rotatable branch makes it remove to the fixed slot this moment, can make the slide bar not last, move down, and then the stability of support has been ensured, through making the support form horizontally length, can transversely measure the inside of expansion joint, and then can carry out the multiple spot position measurement to unevenness's expansion joint plane, can ensure the measuring precision of expansion joint, the phenomenon that single-point position measurement leads to the precision to reduce has been avoided.

Drawings

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

FIG. 2 is a schematic view of the combination of the retaining ring and the main body according to the present invention;

FIG. 3 is a schematic view of the bracket and the rotating rod of the present invention;

fig. 4 is a schematic view of the combination of the slide and the fixing groove of the present invention.

Wherein: 1. a main body; 2. a display; 3. a fixing ring; 4. a support; 5. a rubber ring; 6. a strut; 7. a slideway; 8. fixing grooves; 9. a slide bar; 10. a rotating shaft; 11. a pull rod; 12. a rotating rod; 13. and (6) a laser head.

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.

Embodiment 1, as shown in fig. 1 to 3, an internal precise measuring device for a bridge engineering expansion joint includes a main body 1, a display 2 is fixedly connected to a position of an outer circular surface of the main body 1 near an upper end, a fixing ring 3 is rotatably connected to a position of the outer circular surface of the main body 1 near a lower end, a rubber ring 5 is fixedly connected to a position of an inner surface of the main body 1 near the lower end, a sliding rod 9 is slidably connected to an inner surface of the main body 1, a rotating shaft 10 is fixedly connected to an inner surface of a lower end of the sliding rod 9, a bracket 4 is rotatably connected to an outer circular surface of the rotating shaft 10, a laser head 13 is fixedly connected to an outer surface of a front end of the bracket 4, the sliding rod 9 slides in the main body 1 through the fixing ring 3, the length of the sliding rod 9 is adjusted according to actual conditions, and the fixing ring 3 is rotated after the sliding rod 9 is adjusted to a required position, so that the fixing ring 3 starts to extrude a circular truncated cone of the main body 1, thereby make rubber ring 5 receive the extrusion and begin to exert pressure to slide bar 9, make slide bar 9 not sliding, screw up solid fixed ring 3 and can make slide bar 9 fixed, can obtain measured data in real time through display 2, improved the convenience of use, and through the length of adjusting slide bar 9, improve the degree of depth that measuring instrument can stretch into, thereby the guarantee is to the inside measuring precision in expansion joint.

Embodiment 2, as shown in fig. 1 to 4, a slide 7 is disposed at a position close to the lower end of the outer surface of the front end of the main body 1, a support rod 6 is slidably connected to the inner surface of the slide 7, a fixing groove 8 is disposed at a position close to the right side of the slide 7 at the outer surface of the front end of the main body 1, a pull rod 11 is fixedly connected to one end of the support rod 6 located inside the main body 1, a rotating rod 12 is fixedly connected to the lower end of the pull rod 11, the support rod 6 slides in the slide 7 by pulling the support rod 6, the pull rod 11 is driven by the support rod 6 to move, the rotating rod 11 drives the rotating rod 12 to rotate, the support 4 is driven by the rotating rod 12 to rotate on the rotating shaft 10 until the two supports 4 move 180 degrees, a "one" shape "is formed, at this time, the support rod 6 can be rotated to move into the fixing groove 8, so that the slide rod 9 does not move up and down, thereby ensuring the stability of the support 4, through making support 4 form horizontally length, can carry out the transverse measurement to the inside of expansion joint, and then can carry out multiple spot position to unevenness's expansion joint plane and measure, can ensure the expansion joint measuring precision, avoided single spot position to measure the phenomenon that leads to the precision to reduce to appear.

Working principle; when the device is used, firstly, the display 2 is opened, the laser range finders connected with the laser heads 13 are switched on, the display 2 can display data measured by a plurality of laser range finders in real time, then the fixing ring 3 is rotated to enable the slide rods 9 to slide in the main body 1, the length of the slide rods 9 is adjusted according to actual conditions, after the slide rods 9 are adjusted to a required position, the fixing ring 3 is rotated to enable the fixing ring 3 to begin to extrude the round platform of the main body 1, so that the rubber ring 5 begins to apply pressure to the slide rods 9 after being extruded, the slide rods 9 are not slid, the fixing ring 3 is screwed to enable the slide rods 9 to be fixed, the display 2 can obtain the measured data in real time, the use convenience is improved, the depth into which the measuring instrument can extend is improved by adjusting the length of the slide rods 9, and the accuracy of measurement inside the expansion joint is guaranteed, when needs carry out horizontal measurement to the expansion joint, at first spur branch 6 at the outer disc of main part 1, make branch 6 slide in slide 7, it removes to drive pull rod 11 through branch 6, pull rod 11 drives bull stick 12 and rotates, bull stick 12 rotates and drives support 4 and rotate in pivot 10, until two 4 cheng 180 degrees of support, form "one" word shape, rotatable branch 6 makes it remove to in fixed slot 8 this moment, can make slide bar 9 not last, move down, and then support 4's stability has been ensured, through making support 4 form horizontally length, can carry out horizontal measurement to the inside of expansion joint, and then can carry out the multiple spot position measurement to unevenness's expansion joint plane, can ensure the measuring precision of expansion joint, avoided single spot position measurement to lead to the phenomenon that the precision reduces to appear.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a bridge engineering expansion joint is with inside accurate measurement device, includes main part (1), its characterized in that: the outer disc of main part (1) is close to position fixedly connected with display (2) of upper end, the outer disc of main part (1) is close to the position rotation of lower extreme and is connected with solid fixed ring (3), the position fixedly connected with rubber ring (5) of lower extreme is close to main part (1) internal surface, the internal surface sliding connection of main part (1) has slide bar (9), the lower extreme internal surface fixedly connected with pivot (10) of slide bar (9), the outer disc of pivot (10) rotates and is connected with support (4), the front end external surface fixedly connected with laser head (13) of support (4).

2. The accurate measuring device in the interior for the bridge engineering expansion joint of claim 1, wherein: slide (7) have been seted up to the front end surface of main part (1) near the position of lower extreme, the internal surface sliding connection of slide (7) has branch (6), fixed slot (8) have been seted up to the front end surface of main part (1) near the position on slide (7) right side, branch (6) are located main part (1) inside one end fixedly connected with pull rod (11), the lower extreme fixedly connected with bull stick (12) of pull rod (11).

3. The accurate measuring device in the interior for the bridge engineering expansion joint of claim 1, wherein: rubber ring (5) are located the internal surface lower extreme edge of main part (1), and rubber ring (5) are the round platform shape, main part (1) is the round platform shape with the junction of rubber ring (5), gu fixed ring (3) and the round platform department threaded connection of main part (1).

4. The accurate measuring device in the interior for the bridge engineering expansion joint of claim 1, wherein: the fixed slot (8) quantity on main part (1) is a plurality of, and fixed slot (8) and the inside intercommunication of slide (7), the internal surface sliding connection of main part (1) and fixed slot (8).

5. The accurate measuring device in the interior for the bridge engineering expansion joint of claim 1, wherein: the number of the supports (4) is two, the supports are connected with the rotating shaft (10) in a sliding mode, and the supports are located on two sides of the rotating shaft (10) and connected with the rotating shaft (10) in a sliding mode.

6. The accurate measuring device in the interior for the bridge engineering expansion joint of claim 1, wherein: the quantity of laser head (13) is a plurality of, every laser head (13) are located the inside position of support (4) and all are connected with laser range finder, display (2) and laser range finder electric connection.

7. The accurate measuring device in the interior for the bridge engineering expansion joint of claim 1, wherein: the quantity of bull stick (12) is two, and it all with pull rod (11) fixed connection, two bull stick (12) respectively with a support (4) fixed connection, pivot (10) and slide bar (9) are run through in pull rod (11).