Bridge crack detection device

Abstract

The utility model relates to the technical field of bridge detection, in particular to a bridge crack detection device which comprises a base, a protection box, a tape and a winding mechanism. Limiting mechanisms are arranged on the two bases, and the output ends of the bottoms of the limiting mechanisms are adjustably connected with the inner wall of a bridge crack; the protection box is installed at the top end of one base, and a winding disc is rotationally connected to one side wall of the interior of the protection box. One end of the tape is wound on the winding disc, and the other end of the tape extends out of the protection box and is connected with the other group of bases; the winding mechanism is adjustably arranged at the top end of the base and located in the protection box. According to the utility model, through the arrangement of the limiting mechanism, the base and the inner wall of the end part of the bridge crack can be adjustably connected, so that the connection stability of the tape and the crack is improved, measurement data can be read conveniently, the length and width of a relatively long crack can be measured, and the measurement range and efficiency are improved; and through the arrangement of the winding mechanism and the winding disc, the tape after measurement can be stably wound, and storage is more convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to bridge detection technical field, concretely is a bridge crack detection device. BACKGROUND

[0002] Due to the influence of vehicle load and natural factors for a long time, cracks will appear on the bridge pavement, and the cracks will affect the bearing capacity of the bridge deck, so relevant personnel need to use the bridge crack detection device to measure the cracks in time, which is convenient for timely processing and ensures the safety of the bridge in use.

[0003] The Chinese patent with the authorization announcement number CN220437297U discloses a bridge crack detection device, which comprises a transportation seat and two sliding blocks, a receiving cylinder is fixedly connected to the front and rear outer walls of the fixed seat, a measuring rod is threadedly sleeved to the lower end of each sliding block, an indicating rod is slidably sleeved to the inside of each measuring rod, and a pulley is rotatably connected to the lower end surface of the transportation seat.

[0004] However, the above-mentioned disclosed scheme has the following disadvantages: although the setting of the measuring arm can be unfolded and used along the fixed seat, the measuring range of the cracks is still limited, and when the crack width is large, it is not convenient to place the transportation seat, which interferes with the measurement work and brings inconvenience to use. UTILITY MODEL CONTENTS

[0005] The utility model aims at the problems in the background art and provides a bridge crack detection device.

[0006] The technical scheme of the utility model: a bridge crack detection device, comprising a base, which is provided with two groups, a limiting mechanism is arranged on each of the two groups of bases, and the output end of the limiting mechanism at the bottom is adjustably connected with the inner wall of the bridge crack; a protection box is installed at the top end of one of the two groups of bases, a winding disc is rotatably connected to one side wall in the protection box; a tape measure is wound on the winding disc at one end, and the other end of the tape measure extends to the outside of the protection box and is connected with the other group of bases; and a winding mechanism is adjustably arranged at the top end of the base and located in the protection box, the winding mechanism is detachably connected with the shaft of the other end of the winding disc, and the winding disc is driven to rotate by the winding mechanism to wind the tape measure.

[0007] Preferably, the limiting mechanism comprises a cannula, which is throughly arranged on the base; a rotating rod is rotatably connected to the top end of the cannula, and the bottom end of the rotating rod extends into the cannula; two groups of screw rods are provided, a support is rotatably connected to each of the two groups of screw rods, the support is connected with the inner wall of the cannula, a transmission assembly is arranged between the two groups of screw rods and the bottom end of the rotating rod; and an abutting rod is threadedly connected with the other end of the screw rod, and the other end of the abutting rod is slidably throughly arranged in the side wall of the cannula.

[0008] Preferably, the rotating shaft at one end of the winding disc is rotationally connected with the side wall of the protection box, and a second spring is movably sleeved on the rotating shaft, and the two ends of the second spring are respectively abuttingly connected with the winding disc and the side wall of the protection box.

[0009] Preferably, a square groove is formed on the rotating shaft at an end away from the second spring, and the winding mechanism is adjustably connected with the square groove.

[0010] Preferably, the winding mechanism comprises a third spring installed in the sliding groove at the top end of the base, an electromagnet assembly arranged on the other side wall of the sliding groove, a sliding seat slidably connected with the sliding groove at the bottom end, the other end of the third spring connected with the side wall of the sliding seat, an iron block arranged on the other side wall of the sliding seat corresponding to the electromagnet assembly, and a power source installed at the top end of the sliding seat, wherein the output end of the power source is drivingly connected with a plug rod which is inserted into the square groove.

[0011] Preferably, a dismounting assembly is arranged between the two groups of bases, the dismounting assembly comprises a slot arranged on the side wall of one group of bases, a limiting rod insertedly connected with the base and extending into the slot at the bottom end, a first spring sleeved on the outside of the limiting rod, the top end of the first spring connected with the top end of the limiting rod, and the bottom end of the first spring connected with the base, and an insertion block installed on the side wall of the other group of bases, the insertion block inserted into the slot, and a hole formed in the insertion block and inserted with the limiting rod.

[0012] Compared with the prior art, the above technical scheme of the utility model has the following beneficial technical effects: the setting of the dismounting assembly facilitates the splicing of the two groups of bases, the storage and the carrying; the setting of the limiting mechanism facilitates the adjustable connection of the base with the inner wall of the end of the bridge crack, thereby improving the stability of the connection between the tape measure and the crack, facilitating the reading of the measurement data, enabling the measurement of the length and width of a long crack, and improving the measurement efficiency; the setting of the winding mechanism and the winding disc facilitates the stable winding of the tape measure after the measurement, and the storage is more convenient. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a whole structure schematic view of the utility model;

[0014] Figure 2 It is a use mode schematic view of the utility model;

[0015] Figure 3 It is a limiting mechanism and base connection mode schematic view of the utility model;

[0016] Figure 4 It is a winding mechanism and winding installation mode schematic view of the utility model.

[0017] Marked: 1, base; 101, slot; 102, plug; 103, limit rod; 104, first spring; 2, insertion tube; 201, rotating rod; 202, driving bevel gear; 203, screw rod; 204, driven bevel gear; 205, abutting rod; 3, protective box; 301, winding disc; 302, second spring; 303, square groove; 304, wire frame; 305, tape measure; 4, third spring; 401, sliding seat; 402, power source; 403, electromagnet assembly. DETAILED DESCRIPTION

[0018] Example one

[0019] As Figures 1 to 4 shown, the utility model provides a bridge crack detection device, including base 1, protective box 3, tape measure 305 and winding mechanism, two groups of base 1 are provided, and the limiting mechanism is arranged on two groups of base 1, and the limiting mechanism bottom output end is adjustably connected with the inner wall of bridge crack, protective box 3 is installed at the top of one group of base 1, and winding disc 301 is rotatably connected on the inner side wall in protective box 3, one end of tape measure 305 is wound on winding disc 301, and the other end of tape measure 305 extends to the outside of protective box 3 and is connected with the other group of base 1, the top of the group of base 1 where protective box 3 is installed is provided with wire frame 304, tape measure 305 is slidably connected with the inner wall of wire frame 304, the setting of wire frame 304 not only can guide tape measure 305 to avoid knotting, but also can scrape the impurities on the surface of tape measure 305, to avoid that the impurities enter the inside of protective box 3 and cause interference, winding mechanism is adjustably arranged at the top of base 1 and is located in the inside of protective box 3, winding mechanism is detachably connected with the shaft of the other end of winding disc 301, winding disc 301 is driven to rotate by winding mechanism and winds tape measure 305.

[0020] Further, the limiting mechanism includes insertion tube 2, rotating rod 201, screw rod 203 and abutting rod 205, insertion tube 2 is throughly arranged on base 1, rotating rod 201 is rotatably connected with the top of insertion tube 2, and rotating rod 201 bottom end extends to the inside setting of insertion tube 2, two groups of screw rod 203 are provided, and the bracket is rotatably connected on two groups of screw rod 203, the bracket is connected with the inner wall of insertion tube 2, transmission assembly is arranged between the bottom end of two groups of screw rod 203 and rotating rod 201, and the transmission assembly is formed by driving bevel gear 202 and two groups of driven bevel gear 204 meshingly connected with driving bevel gear 202, driving bevel gear 202 is installed at the bottom end of rotating rod 201, and driven bevel gear 204 is installed at the end of screw rod 203, abutting rod 205 is threadedly connected with the other end of screw rod 203, and the other end of abutting rod 205 is slidably through the side wall of insertion tube 2.

[0021] Further, the rotating shaft at one end of the winding disc 301 is rotationally connected with the side wall of the protection box 3, and a second spring 302 is movably sleeved on the rotating shaft, and the two ends of the second spring 302 are respectively abuttingly connected with the winding disc 301 and the side wall of the protection box 3. Through the arrangement of the second spring 302, the winding disc 301 is only allowed to rotate to lengthen the tape measure 305 and improve the tension of the tape measure 305 during stretching under the condition that the tape measure 305 is pulled by appropriate external force, so that the tape measure 305 is prevented from being easily knotted due to the rotation of the winding disc 301.

[0022] Further, a square groove 303 is formed on the rotating shaft at the end away from the second spring 302, and the winding mechanism is adjustably connected with the square groove 303. The winding mechanism comprises a third spring 4, a sliding seat 401 and a power source 402. The third spring 4 is installed in the sliding groove at the top end of the base 1, and an electromagnet assembly 403 is arranged on the other side wall of the sliding groove. The bottom end of the sliding seat 401 is slidingly connected with the sliding groove, the other end of the third spring 4 is connected with the side wall of the sliding seat 401, and the other side wall of the sliding seat 401 is provided with an iron block corresponding to the electromagnet assembly 403. The power source 402 is installed at the top end of the sliding seat 401, and is an electric motor. The output end of the power source 402 is drivingly connected with a plug rod, and the plug rod is inserted into the square groove 303.

[0023] In this embodiment, in the initial state, the plug rod at the output end of the power source 402 is away from the square groove 303, the bottom end of the insertion tube 2 on one of the bases 1 is inserted into one end of the bridge crack, so that the base 1 abuts against the top edge of the bridge crack, and the rotating rod 201 is rotated to rotate the driving bevel gear 202, thereby driving the two driven bevel gears 204 to rotate, and then the two screw rods 203 are rotated, and then the corresponding abutting rods 205 slide along the side wall of the insertion tube 2, until the insertion ends of the two abutting rods 205 are connected with the side wall of the crack, thereby positioning the corresponding base 1 at one end of the crack. When the crack to be measured is long, one of the bases 1 can be positioned in the crack in this way, and then the other base 1 is gradually moved away along the crack, thereby driving the winding disc 301 to rotate to lengthen the tape measure 305, until the bottom end of the insertion tube 2 on the other base 1 is connected with the side wall of the crack. The length of the crack can be obtained through the reading on the tape measure 305. The arrangement of the tape measure 305 can measure the length and width of the crack respectively, and the crack measurement range is wider, and the long crack can be measured. The arrangement of the limiting mechanism makes the connection between the base 1 and the crack more stable, and avoids loosening to interfere with the measurement result. After the measurement is completed, the controller is started to attract the iron block on the sliding seat 401 by the electromagnet assembly 403, so that the sliding seat 401 slides along the sliding groove, thereby stretching the third spring 4, and at the same time, the controller is started to drive the power source 402 to rotate the plug rod, until the plug rod is inserted into the square groove 303. When the power source 402 rotates, the winding disc 301 is driven to rotate, thereby winding the tape measure 305, which is more convenient and fast.

[0024] Embodiment Two

[0025] As Figure 1 , Figure 2 and Figure 4 shown, a bridge crack detection device is provided, compared with embodiment one, two groups of base 1 are provided with dismounting assembly, dismounting assembly includes slot 101, limit rod 103, first spring 104 and plug block 102, slot 101 is arranged in one group of base 1 side wall, limit rod 103 is connected with base 1 insertion, and limit rod 103 bottom end extends to the inside of slot 101, first spring 104 is sleeved on the outside of limit rod 103, first spring 104 top end is connected with limit rod 103 top end, and first spring 104 bottom end is connected with base 1, plug block 102 is installed in another group of base 1 side wall, plug block 102 is connected with slot 101 insertion, plug hole is formed in plug block 102, and limit rod 103 is connected with plug hole insertion.

[0026] In the embodiment, after the bridge crack measurement is completed, the tape measure 305 is first wound, then the limit rod 103 is slid upward along the base 1, so that the limit rod 103 is away from the slot 101, and the first spring 104 is stretched, then the plug block 102 on the other group of base 1 is inserted into the slot 101, the limit rod 103 is loosened, and the limit rod 103 and the plug hole on the plug block 102 are inserted under the elastic recovery of the first spring 104, so that the two groups of base 1 are fixedly connected and stored, which is convenient for carrying and using.

[0027] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to this, within the knowledge range of the technical personnel in the technical field, various changes can be made without departing from the purpose of the utility model.

Claims

1. A bridge crack detection device characterized by, The utility model relates to a bridge crack detection and repair device The base (1) is provided with two groups, and a limiting mechanism is arranged on each of the two groups of base (1); the bottom output end of the limiting mechanism is adjustably connected with the inner wall of the bridge crack; The protective box (3) is installed at the top end of one of the two groups of base (1), and a winding disc (301) is rotatably connected to one side wall in the protective box (3); The tape measure (305) is wound around the winding disc (301), and the other end of the tape measure (305) extends to the outside of the protective box (3) and is connected with the other group of base (1); and a winding mechanism is adjustably arranged at the top end of the base (1) and located in the protective box (3); the winding mechanism is detachably connected with the shaft of the other end of the winding disc (301); and the winding disc (301) is driven to rotate by the winding mechanism to wind the tape measure (305).

2. The bridge crack detection apparatus according to claim 1, characterized by The limiting mechanism comprises The cannula (2) is arranged through the base (1); The rotating rod (201) is rotatably connected to the top end of the cannula (2), and the bottom end of the rotating rod (201) extends into the cannula (2); The screw rod (203) is provided with two groups, and a support is rotatably connected to each of the two groups of screw rod (203); the support is connected with the inner wall of the cannula (2); a transmission assembly is arranged between the two groups of screw rod (203) and the bottom end of the rotating rod (201); and the abutting rod (205) is threadedly connected with the other end of the screw rod (203), and the other end of the abutting rod (205) is slidably arranged through the side wall of the cannula (2).

3. The bridge crack detection apparatus of claim 1, wherein The shaft at one end of the winding disc (301) is rotatably connected with the side wall of the protective box (3), and a second spring (302) is movably sleeved on the shaft; the two ends of the second spring (302) are respectively abuttingly connected with the winding disc (301) and the side wall of the protective box (3).

4. The bridge crack detection apparatus of claim 1, wherein A square groove (303) is formed in the shaft at one end of the square groove (303) away from the second spring (302); and the winding mechanism is adjustably connected with the square groove (303).

5. The bridge crack detection apparatus of claim 4, wherein The winding mechanism comprises The third spring (4) is installed in the sliding groove at the top end of the base (1), and an electromagnet assembly (403) is arranged on the other side wall of the sliding groove; The sliding seat (401) is slidably connected with the sliding groove at the bottom end, and the other end of the third spring (4) is connected with the side wall of the sliding seat (401); the other side wall of the sliding seat (401) is provided with an iron block corresponding to the electromagnet assembly (403); and the power source (402) is installed at the top end of the sliding seat (401); the output end of the power source (402) is drivingly connected with a plug rod, and the plug rod is inserted into the square groove (303).

6. The bridge crack detection apparatus of claim 1, wherein A dismounting assembly is arranged between the two groups of base (1), and the dismounting assembly comprises The insertion groove (101) is arranged on the side wall of one of the two groups of base (1); The limiting rod (103) is insertedly connected with the base (1), and the bottom end of the limiting rod (103) extends into the insertion groove (101); The first spring (104) is sleeved outside the limiting rod (103); the top end of the first spring (104) is connected with the top end of the limiting rod (103); and the bottom end of the first spring (104) is connected with the base (1); And the plug block (102) is installed on the side wall of the other group of bases (1), the plug block (102) is inserted with the slot (101), and the plug hole is formed on the plug block (102), and the limiting rod (103) is inserted with the plug hole.

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