CN212670293U

CN212670293U - Crack detection device for road and bridge

Info

Publication number: CN212670293U
Application number: CN202020665624.6U
Authority: CN
Inventors: 赵崇钊
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-27
Filing date: 2020-04-27
Publication date: 2021-03-09
Anticipated expiration: 2030-04-27

Abstract

The utility model discloses a crack detection device for roads and bridges, which relates to the technical field of road and bridge construction devices and comprises a test box, the bottom of the test box is provided with a plurality of movable wheels, the top of one side of the test box is connected with a pressure lever in a penetrating and sliding way, the side of the pressure bar is sleeved with a return spring, one end of the return spring, which is far away from the pressure bar, is fixedly connected with the top in the test box, the bottom of the pressure bar is coaxially and fixedly connected with a test tube, when the pavement crack is detected, after the test pipe goes deep into the crack, the valve on the three-way pipe is opened, the water in the water storage chamber flows into the shrinkage bag communicated with the test pipe through the three-way pipe, the shrinkage bag expands to fit the crack, at the moment, the water level height of the water storage chamber is directly observed, the size of the space in the crack can be known, so that the dangerous potential of the crack can be accurately known, and whether the crack is repaired by subsequent judgment is facilitated.

Description

Crack detection device for road and bridge

Technical Field

The utility model relates to a road and bridge construction technical field especially relates to a crack detection device for road and bridge.

Background

Road surface of laying on the road bridge is in the use, receive the influence that comes from road surface driving and environment, can form the crack on the road surface, need in time repair the crack this moment, avoid the crack to enlarge and form the road surface pit, and then cause the deeper and bigger damage of area of degree of depth to the road surface, influence driving and pedestrian's current safety, therefore, in the maintenance to the road, need detect the convenience to repair to the crack on road surface, but general detection device only can carry out the degree of depth detection to comparatively regular crack, the difficult detection of the concrete space size of crack, the influence is to the aassessment detection effect of crack, the easy wrong crack that leaks the part and have dangerous potentiality.

SUMMERY OF THE UTILITY MODEL

The utility model provides a crack detection device for road and bridge, the purpose is in order to solve general detection device in the conventional art and only can carry out the degree of depth to comparatively regular crack and detect, to the difficult detection of fissured concrete space size.

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

a crack detection device for roads and bridges comprises a test box, a plurality of movable wheels are arranged at the bottom of the test box, the top of one side of the test box is in through sliding connection with a pressure lever, the periphery of the pressure lever is sleeved with a return spring, one end of the reset spring, which is far away from the compression bar, is fixedly connected with the top in the test box, the bottom of the compression bar is coaxially and fixedly connected with a test tube, the periphery of the bottom of the test tube is communicated with a shrinkage bag, the bottom of the test tube is connected to the bottom of the test box in a penetrating and sliding manner, the top of the test tube is communicated with a three-way tube through a hose, a water storage chamber is fixedly arranged on one side of the test box far away from the pressure rod, the three-way pipe is communicated with the water storage chamber, the output end of the water pump is communicated with the water storage chamber, the two ends of the three-way pipe, far away from the test pipe, are respectively communicated with the water storage chamber and the input end of the water pump, and valves are arranged on branch pipes for communicating the three-way pipe with the water storage chamber.

Preferably, a depth gauge is etched on the outer periphery of the compression bar; and a water level gauge is arranged in the water storage chamber.

Preferably, two transparent windows are arranged on the test box, and the two transparent windows are in clearance fit with the depth gauge and the water level gauge on the horizontal position.

Preferably, the bottom of the test box is fixedly connected with a limiting pipe, the inner side of the limiting pipe is in clearance fit with the outer peripheral side of the test pipe, and the bottom of the limiting pipe extends to the road surface; the contraction bag has elasticity.

Preferably, both sides of the bottom of the test tube are rotatably connected with guide wheels, and the two guide wheels are attached to the inner side of the crack in an abutting mode.

Preferably, the water storage chamber is connected with a wave-stopping net plate in a sliding mode in the horizontal direction, and the density of the wave-stopping net plate is smaller than that of water.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. the utility model discloses a test tube, shrink bag, three-way pipe, reservoir chamber and water pump, when examining the road surface crack, after the test tube gos deep into the crack, open the valve on the three-way pipe, water in the reservoir chamber flows in the shrink bag with the test tube intercommunication through the three-way pipe, shrink bag inflation laminating crack, direct observation reservoir chamber water level height this moment can learn the space size in the crack, and then the cracked dangerous potentiality is known to the accuracy, whether convenient follow-up judgement is repaired it.

2. The bottom of the test tube is provided with the guide wheel, so that the test tube can conveniently penetrate into the crack and can be prevented from directly contacting with the crack; the wave-stopping screen plate is arranged in the water storage chamber, so that the surging level in the water storage chamber is quickly recovered in the process that the water storage chamber moves along with the test box, and the height change of the water level is conveniently observed; set up transparent window on the test box, avoided establishing depth gauge and water level gauge in the test box outside for convenient observation and made the two receive the damage easily.

Drawings

Fig. 1 is a schematic front view of a crack detection device for roads and bridges provided by the present invention;

fig. 2 is a schematic structural view of a crack detection device for roads and bridges provided by the present invention;

fig. 3 is the utility model provides a partial structure schematic diagram of test tube bottom of crack detection device for road and bridge.

In the figure: the device comprises a test box 1, a moving wheel 11, a transparent window 12, a pressure lever 2, a depth gauge 21, a reset spring 3, a test tube 4, a shrinkage bag 41, a guide wheel 42, a limiting tube 43, a three-way tube 5, a water storage chamber 6, a water level gauge 61, a wave-stopping net plate 62 and a water pump 7.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a crack detection device for a road and bridge comprises a test box 1, wherein a plurality of movable wheels 11 are arranged at the bottom of the test box 1, and the test box 1 is convenient to move on a road surface.

The top of one side of the test box 1 is connected with a pressure lever 2 in a penetrating and sliding mode, a depth gauge 21 is etched on the outer peripheral side of the pressure lever 2, and the moving distance of the pressure lever 2 is displayed to reflect the crack depth.

The side of the compression bar 2 is sleeved with a reset spring 3, one end of the reset spring 3, which is far away from the compression bar 2, is fixedly connected to the top of the test box 1, and the compression bar 2 can be restored to the original position under the elastic action of the reset spring 3 when the compression bar 2 is pressed and loosened.

The coaxial fixedly connected with test tube 4 in depression bar 2 bottom, the sliding connection is run through on 1 bottom of test box in 4 bottoms of test tube, and 4 bottoms both sides of test tube all rotate and are connected with the guide wheel 42, and two guide wheels 42 paste and lean on the crack inboard, make things convenient for test tube 4 to go deep into the crack and avoid test tube 4 direct and crack contact.

The periphery of the bottom of the test tube 4 is communicated with a shrinkage bag 41, the bottom of the shrinkage bag is connected to the bottom of the test box 1 in a penetrating and sliding mode, and the shrinkage bag 41 has elasticity and is convenient to expand and adhere to cracks after water is poured into the shrinkage bag.

The bottom of the test box 1 is fixedly connected with a limiting pipe 3, the inner side of the limiting pipe 3 is in clearance fit with the outer peripheral side of the test pipe 4, and the bottom of the limiting pipe extends to the road surface, so that the shrinkage bag 41 is prevented from expanding outside a crack.

The top of the test tube 4 is communicated with a three-way pipe 5 through a hose, a water storage chamber 6 is fixedly arranged on one side of the test box 1, which is far away from the pressure rod 2, a water level gauge 61 is arranged in the water storage chamber 6, the water level height is displayed, and the size of the space of the reaction crack is small.

The wave-stopping net plate 62 is connected in the water storage chamber 6 in a sliding mode in the horizontal direction, the density of the wave-stopping net plate 62 is smaller than that of water, and the surging level in the water storage chamber 6 is quickly recovered in the process that the water storage chamber 6 moves along with the test box 1.

Set up two transparent windows 12 on test box 1, two transparent windows 12 on horizontal position with depth gauge 21 and water level gauge 61 clearance fit, avoid establishing depth gauge 21 and water level gauge 61 in the outside messenger's the two easily receives the damage in test box 1 for convenient observation.

Install water pump 7 in the reservoir chamber 6, water pump 7 output and reservoir chamber 6 intercommunication, three-way pipe 5 is kept away from test tube 4 both ends and is communicate respectively in reservoir chamber 6 and on water pump 7 input, installs the valve on three-way pipe 5 and the reservoir chamber 6 intercommunication branch pipe, opens the valve and can irritate into water in the test tube 4 through three-way pipe 5, closes the valve and opens water pump 7 and can draw the water of test tube 4 and shrink bag 41 back to reservoir chamber 6.

Now, the operation principle of the present invention is described as follows:

firstly, the test box 1 is pushed to the upper part of a crack through a moving wheel at the bottom of the test box 1, the density of the crack is less than that of water, the crack is in sliding connection with a wave-stopping screen plate 62 in a water storage chamber 6 arranged in the test box 1, the surging level in the water storage chamber 6 is quickly recovered, and a water level gauge 61 in the water storage chamber 6 can be conveniently observed through a transparent window 12 in the follow-up process;

the pressure rod 2 is pressed, the pressure rod 2 stretches the return spring 3, so that the test tube 4 fixedly connected with the pressure rod is deep into the crack, and the guide wheels 42 rotatably connected with the two sides of the bottom of the test tube 4 facilitate the test tube 4 to be deep into the crack and avoid the test tube 4 from directly contacting with the crack;

observing the depth gauge 21 etched on the outer periphery side of the pressure lever 2 through the transparent window 12, and displaying the moving distance of the pressure lever 2 to the depth of the reaction crack;

meanwhile, a valve on the three-way pipe 5 is opened, water in the water storage chamber 6 is filled into the test pipe 4 through the three-way pipe 5 and the hose, the inner side of the limiting pipe 3 fixedly connected with the bottom of the test box 1 is in clearance fit with the outer peripheral side of the test pipe 4, and the bottom of the limiting pipe extends to the road surface, so that the shrinkage bag 41 is prevented from expanding outside a crack, the shrinkage bag 41 is prevented from expanding and fitting the crack, a water level gauge 61 arranged in the water storage chamber 6 is observed at the moment, the height of the water level is displayed, the space size of the crack is reacted, the dangerous potential of the crack is accurately known, and whether the;

after the crack is tested, the valve is closed and the water pump 7 is opened, so that the water in the test tube 4 and the shrinkage bag 41 can be pumped back to the water storage chamber 6, and the water can be recovered under the elastic force of the return spring 3 after the compression bar 2 is loosened.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The crack detection device for the road and bridge comprises a test box (1), wherein a plurality of movable wheels (11) are arranged at the bottom of the test box (1), and is characterized in that a pressure rod (2) is connected to the top of one side of the test box (1) in a penetrating and sliding manner, a reset spring (3) is sleeved on the periphery of the pressure rod (2), one end, away from the pressure rod (2), of the reset spring (3) is fixedly connected to the inner top of the test box (1), a test pipe (4) is coaxially and fixedly connected to the bottom of the pressure rod (2), a shrinkage bag (41) is communicated with the periphery of the bottom of the test pipe (4), the bottom of the test pipe (4) is connected to the bottom of the test box (1) in a penetrating and sliding manner, a three-way pipe (5) is communicated with the top of the test pipe (4) through a hose, a water storage chamber (6) is fixedly arranged on, the output end of the water pump (7) is communicated with the water storage chamber (6), the two ends, far away from the test tube (4), of the three-way tube (5) are respectively communicated with the inside of the water storage chamber (6) and the input end of the water pump (7), and valves are arranged on branch pipes for communicating the three-way tube (5) with the water storage chamber (6).

2. The crack detection device for the road and bridge as claimed in claim 1, wherein a depth gauge (21) is etched on the outer periphery of the pressure lever (2); a water level gauge (61) is arranged in the water storage chamber (6).

3. The crack detection device for the road and bridge as claimed in claim 2, wherein the test box (1) is provided with two transparent windows (12), and the two transparent windows (12) are in clearance fit with the depth gauge (21) and the water level gauge (61) in the horizontal position.

4. The crack detection device for the road and bridge as claimed in claim 1, wherein a limiting pipe (43) is fixedly connected to the bottom of the test box (1), the inner side of the limiting pipe (43) is in clearance fit with the outer peripheral side of the test pipe (4), and the bottom of the limiting pipe extends to the road surface; the shrink pouch (41) has elasticity.

5. The crack detection device for the road and bridge as claimed in claim 1, wherein the two sides of the bottom of the test tube (4) are rotatably connected with guide wheels (42), and the two guide wheels (42) are attached to the inner side of the crack.

6. The crack detection device for the road and bridge as claimed in claim 1, wherein a wave-stopping net plate (62) is connected in a sliding manner in the horizontal direction in the water storage chamber (6), and the density of the wave-stopping net plate (62) is less than that of water.