CN114739271A

CN114739271A - Bridge displacement detection device

Info

Publication number: CN114739271A
Application number: CN202210548350.6A
Authority: CN
Inventors: 许准; 鲁安怀; 张升彪; 侯俊敏; 王利民
Original assignee: Hunan Zhili Engineering Science And Technology Co ltd
Current assignee: Hunan Zhili Engineering Science And Technology Co ltd
Priority date: 2022-05-20
Filing date: 2022-05-20
Publication date: 2022-07-12
Anticipated expiration: 2042-05-20
Also published as: CN114739271B

Abstract

The invention discloses a bridge displacement detection device, which comprises an installation frame, wherein two fixed blocks are connected in the installation frame in a sliding manner, the two fixed blocks are respectively and fixedly connected with a clamping plate, an air pressure component is installed at the upper end of the installation frame, the air pressure component comprises a sealing cavity, a piston, a pull rod, a fixed plate and a gas conveying pipe, the sealing cavity is fixedly connected at the upper end of the installation frame, the fixed plate is fixedly connected at the upper end of the installation frame, the piston is connected in the sealing cavity in a sliding manner, the pull rod is fixedly connected between the fixed block and the piston at the upper end, and a plurality of gas spraying cylinders are respectively and fixedly connected at the two ends of the fixed plate. Thereby achieving the effect of detecting the displacement of the bridge.

Description

Bridge displacement detection device

Technical Field

The invention relates to the technical field of glass bridge detection, in particular to a bridge displacement detection device.

Background

The bridge generally refers to a structure which is erected on rivers, lakes and seas and enables vehicles, pedestrians and the like to smoothly pass through. In order to adapt to the modern high-speed development traffic industry, bridges are also extended to be built for spanning mountain stream, unfavorable geology or meeting other traffic needs so as to enable the passing of the buildings more convenient, the bridges generally comprise superstructure, substructure, supports and additional structures, the superstructure is also called bridge span structure and is the main structure for spanning obstacles, and the substructure comprises bridge abutment, bridge piers and foundation; the support is the power transmission device that the bearing department of bridge span structure and pier or abutment set up, all can add at two roof beam body junctions simultaneously and support with the pier stud, advances when supporting at the pier stud to the breast board, because of driving a vehicle for a long time down, consequently causes the removal of breast board, more seriously can cause droing of breast board and pier stud.

Present beam slab and pier stud junction can be equipped with bridge displacement detection device often, and current bridge displacement detection device is when holding the range finding between pier stud and the beam slab, because bridge displacement detection device itself does not have the structure of quick mounting on the beam slab, consequently leads to comparatively complicacy in the installation with dismantle, and the inside measurement that does not have the beam slab and subsides of current bridge displacement detection device leads to being unfavorable for the change of reality between observing beam slab and the pier stud simultaneously.

Disclosure of Invention

The invention aims to solve the following defects in the prior art, and provides a bridge displacement detection device which is not beneficial to actually observing the change between a beam slab and a pier column because the bridge displacement detection device does not have a structure which is quickly arranged on the beam slab when the conventional bridge displacement detection device is used for measuring the distance between the pier column and the beam slab, so that the mounting and the dismounting are complicated, and meanwhile, the beam slab settlement is not measured in the conventional bridge displacement detection device.

In order to achieve the purpose, the invention adopts the following technical scheme:

a bridge displacement detection device comprises a mounting frame, wherein two fixing blocks are connected in the mounting frame in a sliding manner, and the two fixing blocks are respectively and fixedly connected with a clamping plate;

the air pressure component is mounted at the upper end of the mounting frame and comprises a sealing cavity, a piston, a pull rod, a fixing plate and an air delivery pipe, the sealing cavity is fixedly connected to the upper end of the mounting frame, the fixing plate is fixedly connected to the upper end of the mounting frame, the piston is connected into the sealing cavity in a sliding mode, the pull rod is fixedly connected between the fixing block and the piston at the upper end, a plurality of air injection cylinders are fixedly connected to two ends of the fixing plate respectively, and the air delivery pipe is fixedly communicated between the air injection cylinders and the sealing cavity;

the measuring part is installed respectively at the fixed plate both ends, measuring part includes smooth chamber, slide, lug, smooth chamber wherein one end passes through the rotary rod and articulates on the fixed plate, slide wherein one end sliding connection be in the smooth chamber, logical groove has been seted up on the smooth chamber, lug fixed connection be in on the slide, and with logical groove sliding connection.

Preferably, the measuring part further comprises air bags and suckers, the two air bags are respectively and fixedly connected to one end of the sliding plate, the suckers are fixedly communicated with the air bags, and the air bags are fixedly communicated with the upper end of the sealing cavity through suction pipes.

Preferably, fixed plate both ends difference fixedly connected with calibrated scale, fixedly connected with L template on the rotary rod, the L template is kept away from the one end sliding connection of rotary rod is in on the calibrated scale.

Preferably, the plurality of gas cylinders are obliquely arranged, and the sliding cavity is provided with a dial gauge.

Preferably, the two fixing blocks are rotatably connected with rotating shafts, and two ends of each rotating shaft are respectively hinged with an oblique rod.

Preferably, both sides are respectively connected with branch, two on the installing frame sliding connection have the diaphragm between the branch, the down tube is kept away from the one end of fixed block articulates on the branch.

Preferably, a spring is fixedly connected between the supporting rod and the mounting frame.

Preferably, a cover beam is arranged between the two clamping plates, the lower end of the cover beam is fixedly connected with a pier stud, the upper end of the pier stud is fixedly connected with a cushion block, and a beam plate is installed on the cushion block through a support.

Preferably, a back wall is fixedly connected to the bent cap.

Compared with the prior art, the invention has the beneficial effects that:

1. loosen the pull rod, the pull rod moves under the pulling force of spring that resets this moment, because the removal of pull rod, can drive two fixed blocks through the down tube once more and remove between two parties to two splint can reach the clamping action to the bent cap respectively along with the removal of fixed block, accomplish the fixed to the installing frame.

2. Because the fixed block that is located the upside moves down, can pass through pull rod pulling piston at sealed intracavity move down to carry the gas in the sealed intracavity to the jet-propelled section of thick bamboo in through the gas-supply pipe, and blow gas respectively to on back of the body wall and beam slab through the jet-propelled section of thick bamboo, can blow off the dust on back of the body wall and beam slab surface, be convenient for the sucking disc better adsorb on back of the body wall and beam slab.

3. When the beam slab is at the emergence displacement, can drive sucking disc and slide removal, because the slide slides in sliding cavity, the lug slides in logical groove along with the slide, consequently through the removal of lug, can demonstrate the distance of removal on the scale.

4. Meanwhile, when the beam plate moves downwards, the sucking disc, the sliding plate and the sliding cavity can be driven to rotate by taking the rotating rod as a fulcrum, the L-shaped plate can be driven to slide on the dial, the basis that the beam plate sinks can be observed by sliding the L-shaped plate on the dial, and therefore the bridge displacement detection effect is achieved.

Drawings

Fig. 1 is a schematic front structural view of a bridge displacement detection device according to the present invention;

fig. 2 is a schematic view of an internal structure of a sealed cavity of the bridge displacement detection device provided by the present invention;

FIG. 3 is a schematic diagram of a sliding cavity structure of a bridge displacement detection device according to the present invention;

FIG. 4 is a schematic view of a portion of the enlarged structure of A in FIG. 2;

in the figure: the device comprises a pier 1, a beam 2, a beam 3, a sealing cavity 3, a back wall 4, a capping beam 5, a mounting frame 6, a cushion 7, a support 8, an inclined rod 9, a spring 10, a pull rod 11, a piston 12, an air bag 13, a suction cup 14, a fixing plate 15, a gas pipe 16, a clamping plate 17, a suction pipe 18, a gas injection cylinder 19, a sliding cavity 20, a sliding plate 21, a fixing block 22, a rotating shaft 23, a supporting rod 24, a transverse plate 25, a convex block 26, a dial 27, a rotating rod 28 and a shaping plate 29L.

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.

Referring to fig. 1-4, a bridge displacement detecting device, includes a mounting frame 6, two fixing blocks 22 are slidably connected in the mounting frame 6, the two fixing blocks 22 are respectively and fixedly connected with a clamp plate 17, the two clamp plates 17 can respectively achieve the clamping effect on a cover beam 5 along with the movement of the fixing blocks 22, so as to fix the mounting frame 6, a rotating shaft 23 is rotatably connected on each of the two fixing blocks 22, two ends of the rotating shaft 23 are respectively hinged with an inclined rod 9, two sides of the mounting frame 6 are respectively and slidably connected with a support rod 24, a transverse plate 25 is fixedly connected between the two support rods 24, one end of the inclined rod 9 far away from the fixing blocks 22 is hinged on the support rod 24, a spring 10 is fixedly connected between the support rod 24 and the mounting frame 6, the transverse plate 25 and the support rod 24 are pulled, so that the fixing blocks 22 are respectively pushed away from each other by the inclined rod 9 while the support rod 24 moves in the direction far away from the clamp plates 17, and the spring 10 is driven to stretch, thereby drive two splint 17 and keep away from each other to adjust the distance between two splint 17 according to the thickness of roof beam board 2, loosen branch 24 simultaneously, branch 24 resets the removal under the pulling force of spring 10 this moment, because branch 24's removal can drive two fixed blocks 22 through down tube 9 once more and move between two parties, thereby two splint 17 respectively along with the removal of fixed block 22, can reach the clamping action to bent cap 5.

Be equipped with bent cap 5 between two

splint

17, 5 lower extremes of bent cap fixedly connected with pier stud 1, 1 upper end fixedly connected with cushion 7 of pier stud, roof beam board 2 is installed through support 8 to cushion 7, fixedly connected with back wall 4 on the bent cap 5.

The air pressure component is arranged at the upper end of the mounting frame 6 and comprises a sealing cavity 3, a piston 12, a pull rod 11, a fixing plate 15 and an air conveying pipe 16, the sealing cavity 3 is fixedly connected to the upper end of the mounting frame 6, the fixing plate 15 is fixedly connected to the upper end of the mounting frame 6, the piston 12 is slidably connected into the sealing cavity 3, the pull rod 11 is fixedly connected between a fixing block 22 at the upper end and the piston 12, a plurality of air injection cylinders 19 are respectively and fixedly connected to two ends of the fixing plate 15, the air injection cylinders 19 are all obliquely arranged, a dial gauge is arranged on a sliding cavity 20 and is arranged at the lower end of a bump 26, the air conveying pipe 16 is fixedly communicated between the air injection cylinders 19 and the sealing cavity 3, the fixing block 22 at the upper side moves downwards, the piston 12 can be pulled to move downwards in the sealing cavity 3 through the pull rod 11, the air in the sealing cavity 3 is conveyed into the air injection cylinders 19 through the air conveying pipe 16, and is respectively blown onto the back wall 4 and the beam plate 2 through the air injection cylinders 19, can blow off the dust on back wall 4 and beam slab 2 surface, the sucking disc 14 of being convenient for can be stable adsorb on back wall 4 and beam slab 2 surface.

The measuring component comprises a sliding cavity 20, a sliding plate 21 and a bump 26, wherein one end of the sliding cavity 20 is hinged on the fixing plate 15 through a rotating rod 28, one end of the sliding plate 21 is connected in the sliding cavity 20 in a sliding manner, a through groove is formed in the sliding cavity 20, the bump 26 is fixedly connected on the sliding plate 21 and is connected with the through groove in a sliding manner, the measuring component also comprises an air bag 13 and a suction cup 14, the two air bags 13 are respectively and fixedly connected at one end of the sliding plate 21, the suction cup 14 is fixedly communicated on the air bag 13, the air bag 13 is fixedly communicated with the upper end of the sealing cavity 3 through a suction pipe 18, when the piston 12 moves downwards in the sealing cavity 3, the air in the air bag 13 can be sucked away through the suction pipe 18, when the air in the air bag 13 is sucked away, the suction cup 14 is tightly adsorbed on the back wall 4 and the beam plate 2, and when the beam plate 2 is displaced, the suction cup 14 and the sliding plate 21 can be driven to move, since the projection 26 slides along with the slide plate 21 in the through groove when the slide plate 21 slides in the slide cavity 20, the moving distance can be displayed on the scale by the movement of the projection 26.

The fixed plate 15 both ends are fixedly connected with calibrated scale 27 respectively, fixedly connected with L template 29 on the rotary rod 28, the one end sliding connection that the rotary rod 28 was kept away from to L template 29 is on calibrated scale 27, calibrated scale 27 is the protractor, and semicircular in shape sets up, when beam panel 2 downward displacement, can drive sucking disc 14 and slide 21, sliding cavity 20 uses rotary rod 28 as the fulcrum and rotates, can drive L template 29 and slide on calibrated scale 27 simultaneously, can observe the basis that beam panel 2 sinks through L template 29 slides on calibrated scale 27.

In the invention, when the fixing frame is used, the transverse plate 25 and the supporting rod 24 are pulled firstly, so that the fixing blocks 22 are respectively pushed to be away from each other through the inclined rods 9 while the supporting rod 24 moves away from the clamping plates 17, the springs 10 are driven to stretch and retract, so that the two clamping plates 17 are driven to be away from each other, at the moment, the supporting rod 24 is loosened after the two clamping plates 17 are respectively placed on the upper side and the lower side of the cover beam 5, at the moment, the supporting rod 24 is reset and moves under the tension of the springs 10, due to the movement of the supporting rod 24, the two fixing blocks 22 can be driven to move in the middle through the inclined rods 9 again, so that the two clamping plates 17 can respectively move along with the fixing blocks 22, the clamping effect on the cover beam 5 can be achieved, and the fixing of the mounting frame 6 can be achieved.

When the two fixing blocks 22 move in the middle, the fixing block 22 on the upper side moves downwards, the pull rod 11 can pull the piston 12 to move downwards in the sealing cavity 3, the air in the sealing cavity 3 is conveyed into the air injection cylinder 19 through the air conveying pipe 16, the air is blown onto the back wall 4 and the beam plate 2 through the air injection cylinder 19, and dust on the surfaces of the back wall 4 and the beam plate 2 can be blown off.

When the two clamping plates 17 clamp the cover beam 5, the two suckers 14 can respectively adhere to the back wall 4 and the beam plate 2, when the piston 12 moves downwards in the sealed cavity 3, the air in the air bag 13 can be sucked away through the suction pipe 18, because the suckers 14 are communicated with the air bag 13, when the air in the air bag 13 is sucked away, the suckers 14 can be tightly adsorbed on the back wall 4 and the beam plate 2, when the beam plate 2 is displaced, the suckers 14 and the sliding plate 21 can be driven to move, because the sliding plate 21 slides in the sliding cavity 20, the convex block 26 slides in the through groove along with the sliding plate 21, therefore, the moving distance can be displayed on the scale through the movement of the convex block 26, and when the beam plate 2 moves downwards, the suckers 14, the sliding plate 21 and the sliding cavity 20 can be driven to rotate by taking the rotating rod 28 as a fulcrum, and the L-shaped plate 29 can be driven to slide on the dial 27, the basis of the sinking of the beam plate 2 can be observed by sliding the L-shaped plate 29 on the dial plate 27, so that the bridge displacement detection effect is achieved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims

1. A bridge displacement detection device comprises a mounting frame (6), and is characterized in that two fixing blocks (22) are connected in the mounting frame (6) in a sliding manner, and the two fixing blocks (22) are respectively and fixedly connected with a clamping plate (17);

the air pressure component is installed at the upper end of the installing frame (6) and comprises a sealing cavity (3), a piston (12), a pull rod (11), a fixing plate (15) and an air conveying pipe (16), the sealing cavity (3) is fixedly connected to the upper end of the installing frame (6), the fixing plate (15) is fixedly connected to the upper end of the installing frame (6), the piston (12) is slidably connected into the sealing cavity (3), the pull rod (11) is fixedly connected to the upper end of the installing frame and located between the fixing block (22) and the piston (12), a plurality of air injection cylinders (19) are fixedly connected to the two ends of the fixing plate (15) respectively, and the air conveying pipe (16) is fixedly communicated between the air injection cylinders (19) and the sealing cavity (3);

measuring component is installed respectively at fixed plate (15) both ends, measuring component is including smooth chamber (20), slide (21), lug (26), smooth chamber (20) wherein one end passes through rotary rod (28) and articulates on fixed plate (15), slide (21) wherein one end sliding connection in smooth chamber (20), logical groove has been seted up on smooth chamber (20), lug (26) fixed connection be in on slide (21), and with logical groove sliding connection.

2. The bridge displacement detection device according to claim 1, wherein the measurement component further comprises air bags (13) and suction cups (14), the two air bags (13) are respectively and fixedly connected to one end of the sliding plate (21), the suction cups (14) are fixedly communicated with the air bags (13), and the air bags (13) are fixedly communicated with the upper ends of the sealed cavities (3) through suction pipes (18).

3. The bridge displacement detection device according to claim 1, wherein a dial (27) is fixedly connected to each of two ends of the fixing plate (15), an L-shaped plate (29) is fixedly connected to the rotating rod (28), and one end of the L-shaped plate (29) far away from the rotating rod (28) is slidably connected to the dial (27).

4. The bridge displacement detecting device according to claim 1, wherein a plurality of the gas cylinders (19) are arranged in an inclined manner, and the sliding cavity (20) is provided with a scale.

5. The bridge displacement detection device according to claim 1, wherein the two fixing blocks (22) are rotatably connected with a rotating shaft (23), and two ends of the rotating shaft (23) are respectively hinged with an oblique rod (9).

6. The bridge displacement detection device according to claim 5, wherein two sides of the mounting frame (6) are respectively connected with a support rod (24) in a sliding manner, a transverse plate (25) is fixedly connected between the two support rods (24), and one end of the inclined rod (9) far away from the fixed block (22) is hinged to the support rods (24).

7. A bridge displacement detection device according to claim 6, wherein a spring (10) is fixedly connected between the support rod (24) and the mounting frame (6).

8. The bridge displacement detection device according to claim 1, wherein a bent cap (5) is arranged between the two clamping plates (17), a pier stud (1) is fixedly connected to the lower end of the bent cap (5), a cushion block (7) is fixedly connected to the upper end of the pier stud (1), and the beam plate (2) is installed on the cushion block (7) through a support (8).

9. A bridge displacement detection device according to claim 8, wherein a back wall (4) is fixedly connected to the capping beam (5).