Bridge crack measuring device convenient to carry

Abstract

The utility model relates to a portable bridge crack measuring device, which belongs to the technical field of bridge crack measurement and comprises a measuring device body, a handle is arranged on the upper side of the measuring device body, and an adjusting mechanism for adjusting the position of the handle is arranged at the top of an inner cavity of the measuring device body. A control panel is arranged at the right end of the front face of the measuring device body, and a lifting mechanism is arranged on the lower side of the measuring device body. The adjusting mechanism comprises a fixed cavity formed in the top of the inner cavity of the measuring device body, and the left end between the opposite sides of the inner top wall and the inner bottom wall of the fixed cavity is rotationally connected with a threaded rod through a bearing. According to the bridge crack measuring device convenient to carry, through a threaded rod, a bevel gear transmission system and a sliding plate structure with a magnet and an iron block matched, adjustment of the height of the handle is achieved, the requirements of different use scenes are met, and a clamping mechanism of a Mitsubishi groove and a Mitsubishi rod ensures that the handle is stably locked at any position, and accidental sliding or loosening is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to bridge crack measurement technical field, concretely is bridge crack measurement device convenient to carry. BACKGROUND

[0002] Bridge crack measurement is the process of monitoring and checking the cracks that may appear in the bridge structure, aiming to ensure the safety of the bridge structure and provide basis for later maintenance, through crack measurement, the damage in the bridge structure can be found in time, preventing accidents from happening, and ensuring the safety of people's life and property.

[0003] Through the retrieval, it is found that the Chinese patent CN216669196U discloses a bridge crack measurement device convenient to carry, the detection device body, the upper surface of the detection device body is clamped with the handle, the left side and the right side of the handle are fixedly connected with the connecting block, the lower surfaces of the two connecting blocks are fixedly connected with the fixed rod, the bottom ends of the two fixed rods are fixedly connected with the blocking ring, through the setting of the second transmission plate, the button drives the push rod to move inward, at the same time, the second transmission plate is pushed, the corresponding two first transmission plates are moved outward through the pushing block and the slot hole, and the handle is pushed out upward under the elastic force of the second spring in cooperation with the baffle and the telescopic rod, which facilitates the short-distance transportation of the detection device body by the technical personnel, solves the problem that the traditional detection device body is not convenient to carry, and simultaneously provides an effective stress point for the detection device body through the handle, and reduces the probability of falling during carrying, but the second spring arranged in the utility model can generate upward thrust on the handle, and the limiting clamp arranged can only limit the left and right ends of the fixed rod, and cannot position the top position of the fixed rod, so that the stability of the handle position fixing is poor, and the practicability is reduced. SUMMARY

[0004] In view of the defects of the prior art, the utility model provides a bridge crack measurement device convenient to carry, which has the advantages of good fixing stability, solves the problem that the second spring arranged can generate upward thrust on the handle, and the limiting clamp arranged can only limit the left and right ends of the fixed rod, and cannot position the top position of the fixed rod, so that the stability of the handle position fixing is poor.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a bridge crack measurement device convenient to carry, which comprises a measurement device body, an upper side of the measurement device body is provided with a handle, a top of an inner cavity of the measurement device body is provided with an adjusting mechanism for adjusting the position of the handle, a right end of a front surface of the measurement device body is provided with a control panel, and a lower side of the measurement device body is provided with a lifting mechanism for adjusting the height of the measurement device body.

[0006] The adjusting mechanism comprises a fixed cavity opened at the top of the inner cavity of the measuring device body, a threaded rod rotatably connected by a bearing at the left end between the opposite sides of the inner top wall and the inner bottom wall in the fixed cavity, a driven bevel gear fixed at the bottom of the outer surface of the threaded rod, a driving bevel gear meshingly connected at the top of the left side of the driven bevel gear, a driving rod fixed at the left side of the driving bevel gear, the other end of the driving rod penetrating through the fixed cavity and extending to the left side of the measuring device body, a fixed box fixed at the top of the left side of the measuring device body, a sliding plate slidingly connected in the inner cavity of the fixed box, an iron block fixed at the right end of the upper surface of the sliding plate, a three-mushroom rod fixed at the lower surface of the sliding plate, a lifting plate threadedly connected at the outer surface of the threaded rod, and a magnet fixed at the inner top wall of the fixed box.

[0007] Further, the lower surface of the handle is fixed with the upper surface of the lifting plate, and the middle part of the upper surface of the measuring device body is provided with a through hole matching the size of the lifting plate.

[0008] Further, a limiting rod is fixed at the right end between the opposite sides of the inner top wall and the inner bottom wall in the fixed cavity, and the limiting rod is slidingly connected with the lifting plate.

[0009] Further, a plurality of three-mushroom grooves are uniformly distributed at the left end of the outer surface of the driving rod, and the size of the inner cavity of the three-mushroom groove matches the size of the three-mushroom rod.

[0010] Further, a guide hole is formed at the left side of the fixed box, a push plate with one end penetrating through the guide hole and extending to the left side of the fixed box is fixed at the left end of the upper surface of the sliding plate, and the cross-sectional shape of the push plate is inverted L-shaped.

[0011] Further, the lifting mechanism comprises a mounting box arranged at the lower side of the measuring device body, the opposite sides of the left and right side walls in the inner cavity of the mounting box are both fixed with an electric push rod, the piston rod of the electric push rod is fixed with a driving plate, the top between the opposite sides of the left and right side walls in the inner cavity of the mounting box is fixed with a connecting rod, the left and right ends of the outer surface of the connecting rod are both slidingly connected with a sliding block, the left and right ends of the opposite sides of the measuring device body and the mounting box are both provided with a hinged rod, and the left and right ends of the hinged rod are both connected between the opposite sides of the measuring device body and the mounting box through a hinged seat.

[0012] Further, the upper surface of the mounting box is provided with a mounting hole, and the two sliding blocks are symmetrically distributed at the left and right ends of the vertical central axis of the connecting rod.

[0013] Further, the left and right sides of the measuring device body and the mounting box are both fixed with a mounting plate, and a telescopic sleeve rod is fixed between the opposite sides of the mounting plates at the upper and lower sides.

[0014] Compared with the prior art, the technical scheme of the present application has the following beneficial effects:

[0015] 1. The portable bridge crack measuring device adjusts the height of the handle through the threaded rod, bevel gear transmission system and the sliding plate structure matched with the magnet-iron block, meets the needs of different use scenarios, and the clamping mechanism of the mitsubishi groove and the mitsubishi rod ensures stable locking of the handle at any position and prevents accidental sliding or loosening.

[0016] 2. The portable bridge crack measuring device, the sliding block system driven by the electric push rod ensures stable and reliable height change of the measuring device body, and the design of the upper and lower two side mounting plates and the telescopic sleeve rod can facilitate the adjustment of the height of the bridge crack measuring device body, thereby improving the detection accuracy. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of the utility model;

[0018] Figures 2-3 It is a structural schematic view of the adjusting mechanism of the utility model;

[0019] Figures 4-5 It is a structural schematic view of the driven bevel gear and the driving bevel gear of the utility model;

[0020] Figures 4-5 It is a structural schematic view of the lifting mechanism of the utility model;

[0021] Figures 4-5 It is a structural schematic view of the connecting rod and the sliding block of the utility model.

[0022] In the drawing: 1, measuring device body; 2, handle; 3, adjusting mechanism; 301, fixed cavity; 302, threaded rod; 303, driven bevel gear; 304, driving bevel gear; 305, driving rod; 306, fixed box; 307, sliding plate; 308, iron block; 309, mitsubishi rod; 310, lifting plate; 311, magnet; 4, control panel; 5, lifting mechanism; 501, mounting box; 502, electric push rod; 503, driving plate; 504, connecting rod; 505, sliding block; 506, hinged rod. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] Please refer to Figure 1The embodiment is a portable bridge crack measuring device, which comprises a measuring device body 1, a handle 2 arranged on the upper side of the measuring device body 1, an adjusting mechanism 3 arranged on the top of the inner cavity of the measuring device body 1 and used for adjusting the position of the handle 2, a control panel 4 arranged on the right end of the front of the measuring device body 1, and a lifting mechanism 5 arranged on the lower side of the measuring device body 1 and used for adjusting the height of the measuring device body 1.

[0025] Please refer to Figures 2-3 In order to adjust the height of the handle 2, the adjusting mechanism 3 in the embodiment comprises a fixed cavity 301 arranged on the top of the inner cavity of the measuring device body 1, a threaded rod 302 rotatably connected to the left end between the inner top wall and the inner bottom wall of the fixed cavity 301, a driven bevel gear 303 fixed to the bottom of the outer surface of the threaded rod 302, a driving bevel gear 304 meshingly connected to the top of the left side of the driven bevel gear 303, a driving rod 305 fixed to the left side of the driving bevel gear 304, a sliding plate 307, and a Mitsubishi rod 309.

[0026] The other end of the driving rod 305 penetrates through the fixed cavity 301 and extends to the left side of the measuring device body 1, a fixed box 306 is fixed to the top of the left side of the measuring device body 1, a sliding plate 307 is slidably connected to the inner cavity of the fixed box 306, an iron block 308 is fixed to the right end of the upper surface of the sliding plate 307, a Mitsubishi rod 309 is fixed to the lower surface of the sliding plate 307, a lifting plate 310 is threadedly connected to the outer surface of the threaded rod 302, the rotation of the threaded rod 302 can make the lifting plate 310 threadedly connected thereto move upward under the action of a limiting rod, the movement of the lifting plate 310 can push the handle 2 to move upward to a suitable position, a magnet 311 is fixed to the inner top wall of the fixed box 306, so that the sliding plate 307 moves upward, the movement of the sliding plate 307 drives the iron block 308 fixed to the upper surface thereof to move upward, until the iron block 308 moves to be adsorbed by the magnet 311, and the movement of the sliding plate 307 drives the Mitsubishi rod 309 to move upward.

[0027] In the embodiment, the lower surface of the handle 2 and the upper surface of the lifting plate 310 are fixed, a through hole with a size suitable for the lifting plate 310 is arranged in the middle of the upper surface of the measuring device body 1, a limiting rod is fixed to the right end between the inner top wall and the inner bottom wall of the fixed cavity 301, and the limiting rod and the lifting plate 310 are slidably connected.

[0028] The outer surface of the driving rod 305 is provided with a plurality of evenly distributed Mitsubishi grooves at the left end, the size of the inner cavity of the Mitsubishi groove is matched with the size of the Mitsubishi rod 309, the left side of the fixed box 306 is provided with a guide hole, the upper surface of the sliding plate 307 is fixed with a push plate at the left end, the push plate penetrates through the guide hole and extends to the left side of the fixed box 306, and the cross-sectional shape of the push plate is inverted L-shaped.

[0029] It should be noted that the height of the handle 2 is adjusted by the screw rod 302, the bevel gear transmission system and the sliding plate 307 structure matched with the magnet 311-iron block 308, the engagement mechanism of the Mitsubishi groove and the Mitsubishi rod 309 ensures the stable locking of the handle 2 at any position, and prevents accidental sliding or loosening.

[0030] Please refer to Figures 4-5 In order to adjust the height of the measuring device body 1 when the bridge cracks, the lifting mechanism 5 in the embodiment includes a mounting box 501 arranged at the lower side of the measuring device body 1, the opposite side of the left and right side walls in the inner cavity of the mounting box 501 is fixed with an electric push rod 502, the piston rod of the electric push rod 502 is fixed with a driving plate 503, the top between the opposite sides of the left and right side walls in the inner cavity of the mounting box 501 is fixed with a connecting rod 504, the left and right ends of the outer surface of the connecting rod 504 are slidably connected with sliding blocks 505, the two electric push rods 502 can be started, the piston rods of the two electric push rods 502 are elongated, the two driving plates 503 can be pushed to move relatively, the relative movement of the two driving plates 503 can make the left and right sliding blocks 505 move relatively, the left and right ends of the opposite sides of the measuring device body 1 and the mounting box 501 are provided with hinged rods 506, the left and right ends of the hinged rods 506 are connected between the opposite sides of the measuring device body 1 and the mounting box 501 through hinged seats, and the angle of the hinged rod 506 changes, the angle change of the hinged rod 506 can make the measuring device body 1 move upward under the limiting of the telescopic sleeve rod, so that the height of the measuring device body 1 is increased.

[0031] In the embodiment, the upper surface of the mounting box 501 is provided with a mounting hole, the two sliding blocks 505 are symmetrically distributed at the left and right ends of the vertical central axis of the connecting rod 504, the left and right sides of the measuring device body 1 and the mounting box 501 are fixed with mounting plates, and the opposite sides of the upper and lower mounting plates are fixed with telescopic sleeve rods.

[0032] It should be noted that the lower surface of the driving plate 503 is fixed with the sliding block 505, the telescopic sleeve rod is composed of a sleeve and a moving rod, one end of the moving rod penetrates and extends into the inside of the sleeve, the outer side of the moving rod is fixedly connected with a limiting block in the inside of the sleeve, one side of the sleeve is provided with a through hole matched with the moving rod, and the limiting block is arranged to prevent the moving rod from being separated from the sleeve during movement.

[0033] It can be understood that the electric push rod 502 drives the slider 505 system to ensure that the height change of the measuring device body 1 is smooth and reliable, and the design of the upper and lower side mounting plates and the telescopic sleeve rod can facilitate the adjustment of the height of the bridge crack measuring device body 1, thereby improving the detection accuracy.

[0034] The working principle of the above embodiment is as follows:

[0035] (1) When the handle 2 needs to be used, first move the knob upward, and then the sliding plate 307 moves upward, the movement of the sliding plate 307 drives the iron block 308 fixed on the upper surface thereof to move upward until the iron block 308 moves to be adsorbed by the magnet 311, the movement of the sliding plate 307 drives the Mitsubishi rod 309 to move upward, after the Mitsubishi rod 309 is separated from the driving rod 305, the driving rod 305 can be rotated, the rotation of the driving rod 305 drives the driving bevel gear 304 fixed on the right side thereof to rotate, the rotation of the driving bevel gear 304 drives the driven bevel gear 303 connected therewith to rotate, and then the threaded rod 302 is rotated, and the lifting plate 310 connected with the threaded rod 302 can be moved upward under the action of the limiting rod, and the movement of the lifting plate 310 can push the handle 2 to move upward to the appropriate position.

[0036] (2) When the angle of the measuring device body 1 is adjusted, two electric push rods 502 can be started, the piston rods of the two electric push rods 502 are elongated, the two driving plates 503 are pushed to move relatively, the relative movement of the two driving plates 503 drives the sliders 505 at the left and right ends to move relatively, and then the angle of the articulated rod 506 changes, and the change of the angle of the articulated rod 506 drives the measuring device body 1 to move upward under the limitation of the telescopic sleeve rod, so that the height of the measuring device body 1 is raised.

[0037] It should be noted that in this document, the terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations, the element defined by the statement "including a" does not exclude the presence of another identical element in the process, method, article or equipment including the element.

[0038] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application.

Claims

1. A portable bridge crack measuring device, comprising a measuring device body (1), characterized in that: The upper side of the measuring device body (1) is provided with a handle (2), the top of the inner cavity of the measuring device body (1) is provided with an adjustment mechanism (3) for adjusting the position of the handle (2), the right end of the front of the measuring device body (1) is provided with a control panel (4), and the lower side of the measuring device body (1) is provided with a lifting mechanism (5) for adjusting the height of the measuring device body (1). The adjustment mechanism (3) includes a fixed cavity (301) located at the top of the inner cavity of the measuring device body (1). A threaded rod (302) is rotatably connected to the left end of the fixed cavity (301) between the opposite sides of the top and bottom walls via a bearing. A driven bevel gear (303) is fixed to the bottom of the outer surface of the threaded rod (302). A driving bevel gear (304) is meshed with the top left side of the driven bevel gear (303). A drive rod (305) is fixed to the left side of the driving bevel gear (304). The other end of the drive rod (305)... A fixed box (306) is fixed to the top of the left side of the measuring device body (1) through the fixed cavity (301). A sliding plate (307) is slidably connected to the inner cavity of the fixed box (306). An iron block (308) is fixed to the right end of the upper surface of the sliding plate (307). A triangular rod (309) is fixed to the lower surface of the sliding plate (307). A lifting plate (310) is threadedly connected to the outer surface of the threaded rod (302). A magnet (311) is fixed to the inner top wall of the fixed box (306).

2. The portable bridge crack measuring device according to claim 1, characterized in that: The lower surface of the handle (2) is fixed to the upper surface of the lifting plate (310), and a through hole adapted to the size of the lifting plate (310) is provided in the middle of the upper surface of the measuring device body (1).

3. The portable bridge crack measuring device according to claim 1, characterized in that: A limiting rod is fixed at the right end between the top wall and the bottom wall of the fixed cavity (301), and the limiting rod is slidably connected to the lifting plate (310).

4. The portable bridge crack measuring device according to claim 1, characterized in that: The left end of the outer surface of the drive rod (305) is provided with a plurality of evenly distributed miter grooves, and the size of the inner cavity of the miter grooves is adapted to the size of the miter rod (309).

5. A portable bridge crack measuring device according to claim 1, characterized in that: The left side of the fixed box (306) has a guide hole, and a lever plate is fixed at the left end of the upper surface of the slide plate (307), which extends through the guide hole and to the left side of the fixed box (306). The cross-sectional shape of the lever plate is an inverted L shape.

6. The portable bridge crack measuring device according to claim 1, characterized in that: The lifting mechanism (5) includes a mounting box (501) located on the lower side of the measuring device body (1). Electric push rods (502) are fixed on opposite sides of the left and right walls of the inner cavity of the mounting box (501). A drive plate (503) is fixed to the piston rod of the electric push rod (502). A connecting rod (504) is fixed to the top between opposite sides of the left and right walls of the inner cavity of the mounting box (501). Sliding blocks (505) are slidably connected to the left and right ends of the outer surface of the connecting rod (504). Hinges (506) are provided on the left and right ends of the side opposite to the mounting box (501) of the measuring device body (1). The left and right ends of the hinge rods (506) are connected to the side opposite to the mounting box (501) of the measuring device body (1) through hinge seats.

7. A portable bridge crack measuring device according to claim 6, characterized in that: The upper surface of the mounting box (501) is provided with mounting holes, and the two sliders (505) are symmetrically distributed at the left and right ends of the vertical central axis of the connecting rod (504).

8. A portable bridge crack measuring device according to claim 6, characterized in that: The measuring device body (1) and the mounting box (501) are both fixed with mounting plates on the left and right sides, and telescopic sleeve rods are fixed between the opposite sides of the mounting plates on the upper and lower sides.

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