CN114459319B - Subway tunnel crack depth measuring device - Google Patents
Subway tunnel crack depth measuring device Download PDFInfo
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- CN114459319B CN114459319B CN202210231085.9A CN202210231085A CN114459319B CN 114459319 B CN114459319 B CN 114459319B CN 202210231085 A CN202210231085 A CN 202210231085A CN 114459319 B CN114459319 B CN 114459319B
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- fixedly connected
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- rotating wheel
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/18—Measuring arrangements characterised by the use of mechanical techniques for measuring depth
Abstract
The invention discloses a subway tunnel crack depth measuring device which comprises a supporting plate, wherein the upper surface of the supporting plate is provided with a plurality of mounting holes, all the mounting holes are internally and slidably connected with measuring rods, and all the measuring rods are arranged in an array; one side of each elastic frame plate is provided with a square through groove, each square through groove is connected with a sliding rod in a sliding mode, the outer circle of each sliding rod is rotationally connected with a plurality of first rotating wheels, the outer circle of each first rotating wheel is fixedly connected with a plurality of first springs, and one end of each first spring is fixedly connected with a second rotating wheel. According to the invention, through the cooperation of the measuring rod and the second rotating wheel, the second rotating wheel pushes the measuring rod to enter the gap to prop against the upper wall of the gap, the shape of the gap and the depth of each part of the gap can be judged according to the height change of the measuring rod on the upper surface of the supporting plate, the repairing material is filled according to the depth of the gap, and the phenomenon that the repairing material overflows due to excessive filling of the repairing material in the process of repairing can be avoided, and resources are wasted.
Description
Technical Field
The invention belongs to the field of tunnel crack depth measurement, and particularly relates to a subway tunnel crack depth measurement device.
Background
The construction of urban rail transit has great promotion significance for the alleviation of traffic jam problems and the development of urban economy. At present, most first-line cities and second-line cities in China already start to operate a plurality of subway lines, and the development of public transportation industry is promoted. However, under the comprehensive effect of many factors, cracks often appear in the subway tunnel structure, so that the safe operation of the subway is influenced, people need to pay attention to the effect, and measures are actively taken to process and solve the problem.
When repairing the subway tunnel cracks, as the cracks are positioned on the inner wall of the tunnel, the difficulty in acquiring the depth, shape, size and other information of the cracks is high, so that when the repairing materials are injected into the cracks, the excessive repairing materials in the injected cracks can be caused, and the repairing materials are overflowed and dropped, so that the repairing materials are wasted.
Disclosure of Invention
The invention aims to provide a subway tunnel crack depth measuring device.
To achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a subway tunnel crack depth measurement device, includes the locomotive, the upper surface of locomotive is equipped with first electric putter, the upper end fixed connection support frame of first electric putter, the top of support frame is equipped with measurement assembly, measurement assembly includes the backup pad, backup pad and support frame fixed connection, two elastic frame plates of lower surface fixed connection of backup pad, the upper surface of backup pad is equipped with a plurality of mounting holes, all in the mounting hole all sliding connection measuring rod, all the measuring rod array sets up;
two one side of elastic frame board all is equipped with square logical groove, two sliding connection slide bar in the square logical groove, the excircle rotation of slide bar is connected a plurality of first rotation wheels, all the equal fixedly connected with of excircle of first rotation wheel a plurality of first springs, all the one end fixed connection second rotation wheel of first spring, the equal fixed connection stopper in both ends of slide bar, one side of stopper is equipped with the promotion subassembly.
Preferably, the upper surface fixed connection of mobile cart rotates the seat, it rotates to be connected with first electric putter to rotate the seat, the upper surface fixed connection riser of mobile cart, one side fixed connection motor of riser, the main shaft of motor runs through the riser, the main shaft of motor is with rotating the axis of rotation fixed connection on the seat.
Preferably, the outer circle sliding connection sliding seat of first electric putter, the first articulated seat of outer circle fixed connection of sliding seat, the material of backup pad is rubber, the fixed connection connecting plate all around of backup pad, four the equal fixed connection second articulated seat of lower surface of connecting plate, articulated bracing piece between first articulated seat and the second articulated seat, the outer circle fixed connection mounting panel of first electric putter, one side fixed connection second electric putter of mounting panel, the telescopic link and the sliding seat fixed connection of second electric putter.
Preferably, the pushing assembly comprises a connecting frame, the connecting frame is fixedly connected with the elastic frame plate, a cylinder is fixedly connected to one side of the connecting frame, one end of the cylinder is fixedly connected with a square block, one side of the square block is provided with a sliding groove, a sliding connection sliding block is slidingly connected in the sliding groove, one end of the sliding block is fixedly connected with a limiting block, and a second spring is fixedly connected between the upper surface of the sliding block and the upper bottom surface of the sliding groove.
Preferably, a metal ring is arranged between the mounting hole and the measuring rod, the metal ring is fixedly connected with the supporting plate, the metal ring is in sliding connection with the measuring rod, a rubber pad is fixedly connected with the side wall of the inner side of the metal ring, and the rubber pad is in contact with the sliding rod.
Preferably, one side of each elastic frame plate is provided with an arc-shaped groove, and the arc-shaped grooves are communicated with the square through grooves.
Preferably, a rubber sleeve is fixedly connected between the first rotating wheel and the second rotating wheel, and the first spring is positioned in the rubber sleeve.
Preferably, the upper end and the lower end of the measuring rod are respectively provided with a round angle.
The invention has the technical effects and advantages that: compared with the prior art, the subway tunnel crack depth measuring device provided by the invention has the following advantages:
1. according to the invention, the measuring rod on the supporting plate is matched with the second rotating wheel, the first electric push rod pushes the measuring assembly to be close to the crack, the pushing assembly pushes the limiting block to enable the sliding rod to slide in the square through groove, the second rotating wheel rolls over the lower end of the measuring rod, at the moment, the second rotating wheel presses the lower end of the measuring rod under the action of the first spring, when the second rotating wheel rolls to the measuring rod at the crack, the measuring rod enters the crack to prop against the upper wall of the crack, the first electric push rod contracts, the measuring assembly is pulled back, the shape of the crack and the depth of each crack can be judged according to the height change of the measuring rod on the upper surface of the supporting plate, the repairing material is filled according to the depth of the crack, and the situation that the repairing material is filled blindly during repairing, excessive and overflowed repairing material is wasted can be avoided.
2. According to the invention, the support rod is hinged between the sliding seat and the support plate, the sliding seat pulls the support plate through the support rod, and the support plate is made of rubber, so that the support plate is pulled to be attached to the cambered surface of the tunnel, the support plate can be attached to the inner wall of the tunnel, and the measured measuring rod on the upper surface of the support plate only shows the shape of a crack, so that the measuring result is more visual.
3. According to the invention, the metal ring is arranged in the mounting hole, when the supporting plate is bent into an arc shape, the mounting hole is extruded and deformed to influence the sliding of the measuring rod, the metal ring can eliminate the influence of the bending of the supporting plate on the measuring rod, and meanwhile, the rubber pad increases the friction force between the rubber pad and the measuring rod, so that the friction force is larger than the gravity of the measuring rod, and the measuring rod is prevented from falling under the action of the gravity.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic structural view of the measuring assembly and the pushing assembly.
Fig. 3 is an enlarged partial schematic view of fig. 2 at E.
Fig. 4 is a front view of the measurement assembly and the pushing assembly.
Fig. 5 is a schematic cross-sectional view of the structure at A-A in fig. 4.
Fig. 6 is an enlarged partial schematic view at F in fig. 5.
FIG. 7 is a schematic view of the cross-sectional structure at B-B in FIG. 4
Fig. 8 is an enlarged partial schematic view of fig. 7 at D.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. The specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. All other embodiments, which can be made by one of ordinary skill in the art without undue burden on the person of ordinary skill in the art based on embodiments of the present invention, are intended to be within the scope of the present invention.
The invention provides a technical scheme as shown in figures 1-8: the subway tunnel crack depth measuring device comprises a first electric push rod 11 arranged on the upper surface of a moving vehicle 1, a support frame 12 fixedly connected with the upper end of the first electric push rod 11, a measuring assembly 2 arranged above the support frame 12, and a measuring assembly 2 comprising a support plate 22, wherein the support plate 22 is fixedly connected with the support frame 12, the lower surface of the support plate 22 is fixedly connected with two elastic frame plates 21, a plurality of mounting holes are arranged on the upper surface of the support plate 22, measuring rods 23 are slidably connected in all the mounting holes, and all the measuring rods 23 are arranged in an array;
one side of each elastic frame plate 21 is provided with a square through groove 24, the sliding rods 25 are connected in the two square through grooves 24 in a sliding manner, the outer circles of the sliding rods 25 are rotationally connected with a plurality of first rotating wheels 26, the outer circles of all the first rotating wheels 26 are fixedly connected with a plurality of first springs 27, one end of each first spring 27 is fixedly connected with a second rotating wheel 28, both ends of each sliding rod 25 are fixedly connected with a limiting block 29, one side of each limiting block 29 is provided with a pushing assembly 3, a rubber sleeve 63 is fixedly connected between each first rotating wheel 26 and each second rotating wheel 28, and each first spring 27 is positioned in the rubber sleeve 63; the moving vehicle 1 drives the first electric push rod 11 to move in the tunnel, when the first electric push rod 11 stretches and contracts and pushes the measuring assembly 2 to approach the crack, under the action of the first electric push rod 11, the supporting plate 22 is made to approach the crack, the pushing assembly 3 pushes the limiting block 29 to enable the sliding rod 25 to slide in the square through groove 24, the second rotating wheel 28 rolls over the lower end of the measuring rod 23, one second rotating wheel 28 corresponds to one row of measuring rods 23, at the moment, under the action of the first spring 27, the second rotating wheel 28 presses the lower end of the measuring rod 23, part of the measuring rod 23 slides on the supporting plate 22 to abut against the inner wall of the tunnel, when the second rotating wheel 28 rolls on the measuring rod 23 at the crack, the second rotating wheel 28 presses the measuring rod 23 at the crack to enter the upper wall of the crack, then the first electric push rod 11 contracts and pulls back the measuring assembly 2, the friction force between the measuring rod 23 and the supporting plate 22 is larger than the gravity of the measuring rod 23, the measuring rod 23 can maintain the height change after measurement, the measuring rod 23 can abut against the inner wall of the crack according to the change of the surface of the supporting plate 22, and the depth change of the surface of the measuring rod 23 can be prevented from abutting the crack, and the repairing material can be repaired from overflowing the first material and filling material can be prevented from being filled with the repairing material at the adjacent surface of the first rotating wheels and the surface of the repairing material.
The upper surface of the mobile vehicle 1 is fixedly connected with a rotating seat 4, the rotating seat 4 is rotationally connected with a first electric push rod 11, the upper surface of the mobile vehicle 1 is fixedly connected with a vertical plate 41, one side of the vertical plate 41 is fixedly connected with a motor 42, a main shaft of the motor 42 penetrates through the vertical plate 41, and the main shaft of the motor 42 is fixedly connected with a rotating shaft on the rotating seat 4; the motor 42 drives the first electric push rod 11 to rotate, so that the first electric push rod 11 drives the measuring assembly 2 to rotate left and right, and the measuring assembly 2 can measure the tunnel crack range to be larger.
The outer circle of the first electric push rod 11 is in sliding connection with the sliding seat 5, the outer circle of the sliding seat 5 is fixedly connected with the first hinging seat 51, the supporting plate 22 is made of rubber, the periphery of the supporting plate 22 is fixedly connected with the connecting plates 52, the lower surfaces of the four connecting plates 52 are fixedly connected with the second hinging seat 53, the supporting rods 54 are hinged between the first hinging seat 51 and the second hinging seat 53, the outer circle of the first electric push rod 11 is fixedly connected with the mounting plate 55, one side of the mounting plate 55 is fixedly connected with the second electric push rod 56, and the telescopic rod of the second electric push rod 56 is fixedly connected with the sliding seat 5; because the subway tunnel is generally circular, the sliding seat 5 can be pulled by the second electric push rod 56 before measurement, the supporting plate 22 is pulled by the sliding seat 5 through the supporting rod 54, the supporting plate 22 is made of rubber, the supporting plate 22 is pulled to be a cambered surface which is attached to the tunnel, the supporting plate 22 can be attached to the inner wall of the tunnel, the two elastic frame plates 21 are provided with the material reducing grooves, the elastic frame plates 21 can be bent along with the supporting plate 22 more easily, and the measuring rod 23 on the upper surface of the measured supporting plate 22 only presents a slit shape, so that the measuring result is more visual.
The pushing assembly 3 comprises a connecting frame 31, the connecting frame 31 is fixedly connected with the elastic frame plate 21, an air cylinder 32 is fixedly connected to one side of the connecting frame 31, one end of the air cylinder 32 is fixedly connected with a square block 33, one side of the square block 33 is provided with a sliding groove, a sliding block 34 is connected in the sliding groove in a sliding manner, one end of the sliding block 34 is fixedly connected with a limiting block 29, and a second spring 35 is fixedly connected between the upper surface of the sliding block 34 and the upper bottom surface of the sliding groove; the air cylinder 32 pushes the square block 33, the square block 33 pushes the limiting block 29 to slide in the square through groove 24, the square through groove 24 is bent along with the elastic frame plate 21 due to the fact that the supporting plate 22 is pulled to be arc-shaped, the sliding rod 25 moves in the vertical direction, and when the sliding rod 25 slides along the bent square through groove 24, the sliding rod 25 drives the sliding block 24 to slide in a sliding groove on one side of the square block 33, so that the sliding rod 25 is always pushed by the air cylinder 32.
A metal ring 6 is arranged between the mounting hole and the measuring rod 23, the metal ring 6 is fixedly connected with the supporting plate 22, the metal ring 6 is in sliding connection with the measuring rod 23, the side wall of the inner side of the metal ring 6 is fixedly connected with a rubber pad 61, and the rubber pad 61 is in contact with the sliding rod 25; after the supporting plate 22 is bent into an arc shape, the mounting hole is extruded and deformed to influence the sliding of the measuring rod 23, the metal ring 6 can eliminate the influence of the bending of the supporting plate 22 on the measuring rod 23, and meanwhile, the rubber pad 61 increases the friction force between the supporting plate 22 and the measuring rod 23, so that the friction force is larger than the gravity of the measuring rod 23, and the measuring rod 23 is prevented from falling under the action of the gravity.
An arc-shaped groove 62 is arranged on one side of the two elastic frame plates 21, and the arc-shaped groove 62 is communicated with the square through groove 24; when the slide rod 25 slides in the square through groove 24, the slide rod 25 slides through the arc groove 62 to reduce the height of the slide rod 25, and when the slide rod 25 slides through the arc groove 62, the second rotating wheel 28 is pressed against the lower end of the measuring rod 23 directly from below the measuring rod 23 to prevent the second rotating wheel 28 from being pressed against the side surface of the measuring rod 23 directly, and the measuring rod 23 is bent.
When the movable trolley 1 is used, the first electric push rod 11 is driven to move in the tunnel, when the movable trolley reaches a crack in the tunnel, the second electric push rod 56 pulls the sliding seat 5, the sliding seat 5 pulls the supporting plate 22 through the supporting rod 54, the supporting plate 22 is pulled to be attached to the cambered surface of the tunnel, the first electric push rod 11 stretches out and draws back, the supporting plate 22 is pushed to be attached to the inner wall of the tunnel, the air cylinder 32 pushes the sliding rod 25 to slide in the square through groove 24, the sliding rod 25 slides through the arc groove 62, the lower end of the measuring rod 23 is extruded from the right lower side of the measuring rod 23, the measuring rod 23 enters the crack to abut against the upper wall of the crack, the first electric push rod 11 pulls back the measuring assembly 2, and the shape of the crack and the depth of each crack can be judged according to the height change of the measuring rod 23 on the upper surface of the supporting plate 22.
In the description of the present invention, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of description of the present invention and to simplify the description, rather than to indicate or imply that the apparatus or element in question must have a specific azimuth configuration and operation, and thus should not be construed as limiting the present invention.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.
Claims (7)
1. Subway tunnel crack depth measurement device, including locomotive (1), its characterized in that: the upper surface of the mobile vehicle (1) is provided with a first electric push rod (11), the upper end of the first electric push rod (11) is fixedly connected with a support frame (12), a measuring assembly (2) is arranged above the support frame (12), the measuring assembly (2) comprises a support plate (22), the support plate (22) is fixedly connected with the support frame (12), the lower surface of the support plate (22) is fixedly connected with two elastic frame plates (21), the upper surface of the support plate (22) is provided with a plurality of mounting holes, all the mounting holes are internally and slidably connected with measuring rods (23), and all the measuring rods (23) are arranged in an array;
one side of each elastic frame plate (21) is provided with a square through groove (24), the two square through grooves (24) are connected with a sliding rod (25) in a sliding mode, the outer circle of each sliding rod (25) is rotationally connected with a plurality of first rotating wheels (26), the outer circle of each first rotating wheel (26) is fixedly connected with a plurality of first springs (27), one end of each first spring (27) is fixedly connected with a second rotating wheel (28), two ends of each sliding rod (25) are fixedly connected with limiting blocks (29), and one side of each limiting block (29) is provided with a pushing assembly (3);
the outer circle of the first electric push rod (11) is in sliding connection with the sliding seat (5), the outer circle of the sliding seat (5) is fixedly connected with the first hinging seat (51), the supporting plate (22) is made of rubber, the periphery of the supporting plate (22) is fixedly connected with the connecting plates (52), the lower surfaces of the four connecting plates (52) are fixedly connected with the second hinging seat (53), the first hinging seat (51) is hinged with the second hinging seat (53) through a supporting rod (54), the outer circle of the first electric push rod (11) is fixedly connected with the mounting plate (55), one side of the mounting plate (55) is fixedly connected with the second electric push rod (56), and the telescopic rod of the second electric push rod (56) is fixedly connected with the sliding seat (5);
the pushing component (3) pushes the limiting block (29) to enable the sliding rod (25) to slide in the square through groove (24), the second rotating wheel (28) is enabled to roll over the lower end of the measuring rod (23), the second rotating wheel (28) is enabled to squeeze the lower end of the measuring rod (23), part of the measuring rod (23) is enabled to slide on the supporting plate (22) to abut against the inner wall of the tunnel, when the second rotating wheel (28) rolls to the measuring rod (23) at the crack, the second rotating wheel (28) is enabled to squeeze the measuring rod (23) at the crack, and the measuring rod (23) enters the crack to abut against the upper wall of the crack;
the friction force between the measuring rod (23) and the supporting plate (22) is larger than the gravity of the measuring rod (23), so that the measuring rod (23) can maintain the height change after measurement.
2. The subway tunnel crack depth measuring device according to claim 1, wherein: the upper surface fixed connection of mobile vehicle (1) rotates seat (4), rotate seat (4) and first electric putter (11) rotation connection, the upper surface fixed connection riser (41) of mobile vehicle (1), one side fixed connection motor (42) of riser (41), the main shaft of motor (42) runs through riser (41), the main shaft of motor (42) is with rotating shaft fixed connection on rotating seat (4).
3. The subway tunnel crack depth measuring device according to claim 1, wherein: the pushing assembly (3) comprises a connecting frame (31), the connecting frame (31) is fixedly connected with an elastic frame plate (21), a cylinder (32) is fixedly connected to one side of the connecting frame (31), a square block (33) is fixedly connected to one end of the cylinder (32), a sliding groove is formed in one side of the square block (33), a sliding block (34) is connected in the sliding groove in a sliding mode, one end of the sliding block (34) is fixedly connected with a limiting block (29), and a second spring (35) is fixedly connected between the upper surface of the sliding block (34) and the upper bottom surface of the sliding groove.
4. The subway tunnel crack depth measuring device according to claim 1, wherein: be equipped with metal ring (6) between mounting hole and measuring stick (23), metal ring (6) and backup pad (22) fixed connection, metal ring (6) and measuring stick (23) sliding connection, lateral wall fixed connection rubber pad (61) of the inboard of metal ring (6), rubber pad (61) and sliding rod (25) contact, and the frictional force between rubber pad and the measuring stick is greater than the gravity of measuring stick.
5. The subway tunnel crack depth measuring device according to claim 1, wherein: one side of each elastic frame plate (21) is provided with an arc-shaped groove (62), and the arc-shaped grooves (62) are communicated with the square through grooves (24).
6. The subway tunnel crack depth measuring device according to claim 1, wherein: the rubber sleeve (63) is fixedly connected between the first rotating wheel (26) and the second rotating wheel (28), and the first spring (27) is positioned in the rubber sleeve (63).
7. The subway tunnel crack depth measuring device according to claim 1, wherein: rounded corners are arranged at the upper end and the lower end of the measuring rod (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210231085.9A CN114459319B (en) | 2022-03-09 | 2022-03-09 | Subway tunnel crack depth measuring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210231085.9A CN114459319B (en) | 2022-03-09 | 2022-03-09 | Subway tunnel crack depth measuring device |
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| CN114459319A CN114459319A (en) | 2022-05-10 |
| CN114459319B true CN114459319B (en) | 2023-05-02 |
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| CN215639215U (en) * | 2021-08-05 | 2022-01-25 | 甘肃工程地质研究院 | Crack detection device based on geological disaster detection early warning usefulness |
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| JP2008262124A (en) * | 2007-04-13 | 2008-10-30 | Nissin Distribution:Kk | Three-dimensional shape display apparatus |
| CN209763995U (en) * | 2019-05-07 | 2019-12-10 | 张轩 | Furniture flatness detector |
| CN110065338A (en) * | 2019-06-06 | 2019-07-30 | 洛阳师范学院 | The renovation technique of the damaged stone carving of world cultural heritage ancient times rock cave |
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| CN113356925A (en) * | 2021-06-02 | 2021-09-07 | 义乌工商职业技术学院 | Tunnel crack detection repairing device |
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