Bridge tunnel crack detection device

Abstract

The utility model discloses a bridge tunnel crack detection device, which relates to the technical field of crack detection and comprises a base, a lifting frame is arranged at the top end of the base, a bottom plate is arranged at the top end of the lifting frame, a bottom rod is arranged at the top end of the bottom plate, an upper rod is hinged to the top of the bottom rod, a first support is arranged on one side of the bottom rod, and a second support is arranged on the other side of the bottom rod. A second support is arranged on one side of the upper rod, and a first electric push rod is jointly hinged to the front portion of the first support and the front portion of the second support. By arranging a series of structures, it is guaranteed that the two detection assemblies can detect cracks of different lengths, the two detection assemblies conduct depth detection on the two ends of the cracks, the detection precision and the detection efficiency are improved, a user does not need to manually take the detection assemblies, and the device is high in stability and convenient to use. The height and angle of the detection assembly can be remotely controlled and adjusted, the number of climbing times of detection personnel is reduced, the detection efficiency is improved, and the safety is higher.

Description

TECHNICAL FIELD

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

[0002] Bridge tunnel is important infrastructure, but the surface of the existing bridge tunnel can appear big or small crack in actual use, at this moment needs to measure and then takes a series of measures such as remedy.

[0003] Because part crack length is longer, when measuring, staff needs two people to cooperate and uses two devices to measure at crack both ends position, is used for handheld device long time guarantee single action, and detection personnel hand is easy to appear shaking, influence detection accuracy, and is used for crack height difference, and detection personnel needs to climb multiple times to complete detection, and efficiency is lower, and there is certain security risk. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a bridge tunnel crack detection device to solve the problems in the above background.

[0005] To realize the above-mentioned purpose, the utility model provides the following technical scheme: a bridge tunnel crack detection device, including the base, the top of base is provided with lifting frame, the top of lifting frame is provided with bottom plate, the top of bottom plate is provided with bottom rod, the top of bottom rod is hinged and installed with upper rod, one side of bottom rod is provided with first support, one side of upper rod is provided with second support, the front of first support and second support is hingedly installed with first electric push rod, one end of upper rod is provided with first motor, the output of first motor is provided with long plate, one end of long plate is provided with two support columns on both sides edges, one end of two support columns is commonly connected with support plate, one side edge of top of one support plate is provided with infrared range finder, one side edge of top of another support plate is provided with reflection block, the surface of support plate is provided with square groove, one side edge of one end of support plate is hingedly installed with detection assembly, one end of detection assembly is hingedly installed with connecting rod close to support plate position, one side of connecting rod is hingedly installed with adapter block, one side of adapter block is hingedly installed with sliding block, and one side of sliding block extends out square groove, one side of sliding block and support plate are commonly connected with second electric push rod, both sides of two support plates are installed with connecting frame, and the both sides of two support plates are commonly connected with spring between two connecting frames of same side, one end of long plate is provided with second motor in the middle position, the output of second motor is provided with winding roller, and the both sides of winding roller are commonly connected with traction rope between corresponding support plate.

[0006] Preferably, the square groove is provided with a limiting groove on both sides, and the extension end of the sliding block is connected in the limiting groove through a square block; the limiting groove is used in cooperation with the sliding block, so that the sliding block can perform linear motion in the limiting groove, thereby ensuring the stability of the device.

[0007] Preferably, two support grooves are formed on the surface of the supporting plate near the two limiting grooves, and the support column is matched with the support groove; the support groove is matched with the support column, so that the supporting plate can be driven to perform stable linear motion.

[0008] Preferably, a fixed plate is rotatably connected to the bottom of the winding roller, and a stand is connected between the four corner positions of the fixed plate and the long plate; the fixed plate is supported at one end of the long plate by the stand, thereby stably supporting the bottom of the winding roller, so that the winding roller is more stable when being driven to rotate by the second motor.

[0009] Preferably, the two traction ropes are arranged in a staggered manner on the outer surface of the winding roller; when the winding roller rotates, the two traction ropes are wound on the outer surface of the bottom of the winding roller respectively, thereby avoiding entanglement of the two traction ropes.

[0010] Preferably, a telescopic rod is connected between the two connecting frames corresponding to the inside of the spring; the telescopic rod assists in supporting the two supporting plates, so that the two supporting plates will not be inclined when the spring is contracted or released.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] 1. The bridge tunnel crack detection device is connected with the traction rope and the two supporting plates respectively, and the two supporting plates are connected with each other through the two springs; when the bridge gap is detected, the traction rope and the spring are used in cooperation to adjust the distance between the two detection assemblies through the two supporting plates, so that the two detection assemblies can detect cracks of different lengths, the two ends of the crack are detected by the two detection assemblies, the detection accuracy and efficiency are improved, the user does not need to manually take the detection assembly, and the device has high stability.

[0013] 2. The bridge tunnel crack detection device is provided with the reversible upper rod and the lifting platform; when the vertical wall surface and the top wall surface of the bridge tunnel are detected, the height and the angle of the detection assembly can be remotely controlled and adjusted, the climbing frequency of the detection personnel is reduced, the detection efficiency is improved, and the safety is higher. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a whole structure schematic view of the utility model;

[0015] Figure 2 It is a detection assembly structure schematic view of the utility model

[0016] Figure 3The utility model discloses a Figure 1 The structure amplification schematic view of A place in the middle of the utility model discloses a

[0017] Figure 4 The utility model discloses a Figure 1 The structure amplification schematic view of B place in the middle of the utility model discloses a

[0018] Figure 5 The utility model discloses a supporting plate structure schematic view.

[0019] In the drawing: 1, base; 2, lifting frame; 3, bottom plate; 4, bottom rod; 5, first support; 6, long plate; 7, upper rod; 8, second support; 9, first electric push rod; 10, square groove; 11, supporting plate; 12, detection assembly; 13, connecting rod; 14, first motor; 15, traction rope; 16, winding roller; 17, fixed plate; 18, stand column; 19, second motor; 20, second electric push rod; 21, switching block; 22, limiting groove; 23, connecting frame; 24, spring; 25, telescopic rod; 26, supporting groove; 27, supporting column; 28, sliding block; 29, infrared range finder; 30, reflecting block. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0021] In the description of the utility model, it is necessary to explain that the orientation or position relation indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "another end" and the like is the orientation or position relation shown in the drawing, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as the limitation of the utility model. In addition, the terms "first", "second" are only for the description purpose, and cannot be understood as indicating or implying relative importance.

[0022] As Figures 1 to 5As shown, the bridge tunnel crack detection device of the embodiment comprises a base 1, the top end of the base 1 is provided with a lifting frame 2, the lifting frame 2 can perform linear motion up and down to adjust the height, the top end of the lifting frame 2 is provided with a bottom plate 3, the top end of the bottom plate 3 is provided with a bottom rod 4, the top of the bottom rod 4 is hingedly installed with an upper rod 7, one side of the bottom rod 4 is provided with a first support 5, one side of the upper rod 7 is provided with a second support 8, the front parts of the first support 5 and the second support 8 are jointly hingedly installed with a first electric push rod 9, the first electric push rod 9 connects the bottom rod 4 and the upper rod 7 through the first support 5 and the second support 8, the first electric push rod 9 will push the upper rod 7 to overturn when it operates, one end of the upper rod 7 is provided with a first motor 14, the output end of the first motor 14 is provided with a long plate 6, a speed reducer is arranged at the position of the output shaft of the first motor 14, the first motor 14 will drive the long plate 6 to rotate when it operates, two support columns 27 are arranged at the both side edges of one end of the long plate 6, one end of the two support columns 27 is jointly connected with a support plate 11, one of the support plates 11 is provided with an infrared range finder 29 at the top end of one side edge, the other support plate 11 is provided with a reflecting block 30 at the top end of one side edge, the infrared range finder 29 emits an infrared light beam, which is then reflected back to the infrared range finder 29 by the reflecting block 30, the distance is calculated according to the propagation time or phase change of light, a square groove 10 is formed through the surface of the support plate 11, a detection assembly 12 is hingedly installed at one end of the side edge of the support plate 11, a connecting rod 13 is hingedly installed at one end of the detection assembly 12, a connecting block 21 is hingedly installed at one side of the connecting rod 13, a sliding block 28 is hingedly installed at one side of the connecting block 21, and one side of the sliding block 28 extends out of the square groove 10, a second electric push rod 20 is jointly connected between one side of the sliding block 28 and the support plate 11, the second electric push rod 20 will push the sliding block 28 to perform linear motion in the square groove 10 when it operates, so as to pull or push the connecting rod 13 to overturn, so as to adjust the angle of the detection end of the detection assembly 12, when the bridge gap detection is performed, the detection assemblies 12 of the two support plates 11 are respectively placed at the both end positions of the gap to be detected, so as to improve the detection precision and efficiency, connecting frames 23 are installed at the both sides of the two support plates 11, springs 24 are jointly connected between the two connecting frames 23 of the same side of the two support plates 11, a second motor 19 is arranged at the middle position of one end of the long plate 6, a winding roller 16 is arranged at the output end of the second motor 19, traction ropes 15 are jointly connected between the both sides of the winding roller 16 and the corresponding support plates 11, the two traction ropes 15 can be wound by the winding roller 16 at the same time, when the traction ropes 15 are wound by the winding roller 16, the traction ropes 15 will pull the corresponding support plates 11, so that the two support plates 11 move to the position of the winding roller 16, so as to reduce the distance between the two detection assemblies 12, when the two support plates 11 move to the position of the winding roller 16, the springs 24 are squeezed to continue to provide elastic force, when the distance between the two detection assemblies 12 needs to be increased when other cracks are detected,The two traction ropes 15 are unwound by the winding roller 16, at this time the two springs 24 release the elastic force, push the two supporting plates 11 to move linearly in the opposite direction, and the distance between the two detection assemblies 12 is increased.

[0023] Specifically, the limit grooves 22 are arranged on both sides of the square groove 10, the extension end of the sliding block 28 is connected in the limit groove 22 through the block, and the limit groove 22 is used in cooperation with the sliding block 28, so that the sliding block 28 can move linearly in the limit groove 22, and the stability of the device is guaranteed.

[0024] Further, two supporting grooves 26 are arranged on the surface of the supporting plate 11 near the two limit grooves 22, the supporting column 27 is matched with the supporting groove 26, and the supporting groove 26 is matched with the supporting column 27, so that the supporting plate 11 can be driven to move linearly stably.

[0025] Further, the bottom of the winding roller 16 is rotationally connected with the fixed plate 17, the fixed plate 17 is rotationally connected with the long plate 6 through the column 18 at the four corner positions, the fixed plate 17 is supported on one end of the long plate 6 by the column 18, the bottom of the winding roller 16 is stably supported, and the winding roller 16 is more stable when being driven to rotate by the second motor 19.

[0026] Further, the two traction ropes 15 are arranged in a staggered manner on the outer surface of the winding roller 16, and when the winding roller 16 rotates, the two traction ropes 15 are wound on the bottom outer surface of the winding roller 16 respectively, so that the two traction ropes 15 are prevented from being wound.

[0027] Further, the two connecting frames 23 in the spring 24 are connected through the telescopic rod 25, the telescopic rod 25 assists in supporting the two supporting plates 11, so that the two supporting plates 11 will not be skewed when the spring 24 is contracted or released.

[0028] The use method of the embodiment is: when the bridge tunnel crack detection device is used for crack detection of a vertical wall surface or a top wall surface, the first electric push rod 9 can be operated to push the upper rod 7 to flip to adjust the inclination angle of the front ends of the two detection assemblies 12, so that the front ends of the detection assemblies 12 can be attached to the wall surface, when the gap is detected, the two traction ropes 15 are reeled in by the reeling roller 16 at the same time, when the traction ropes 15 are reeled in by the reeling roller 16, the corresponding supporting plates 11 are pulled to move the two supporting plates 11 to the position of the reeling roller 16 to reduce the distance between the two detection assemblies 12, when the two supporting plates 11 move to the position of the reeling roller 16, the springs 24 are further compressed to continue to provide elastic force, when the distance between the two detection assemblies 12 needs to be increased for detecting other cracks, the two traction ropes 15 are unwound by the reeling roller 16, at this time, the two springs 24 release the elastic force to push the two supporting plates 11 to move linearly in the opposite direction, so that the distance between the two detection assemblies 12 is increased to ensure that the two detection assemblies 12 can be adjusted to be located at the positions of the two ends of the gap to be detected, improve the detection accuracy and detection efficiency, and during the detection process, the infrared range finder 29 emits an infrared light beam, which is then reflected by the reflecting block 30 back to the infrared range finder 29 to receive the light beam reflected by the reflecting block 30, and the distance is calculated according to the propagation time or phase change of the light, when the gap height is high, the height of the detection assembly 12 can be adjusted by the lifting frame 2 to reduce the climbing frequency of the detection personnel and improve the safety.

[0029] Finally, it should be noted that: the above only describes preferred embodiments of the present application and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A bridge tunnel crack detection device comprising a base (1), characterized in that: The top of the base (1) is provided with a lifting frame (2), the top of the lifting frame (2) is provided with a bottom plate (3), the top of the bottom plate (3) is provided with a bottom rod (4), the top of the bottom rod (4) is hingedly installed with an upper rod (7), one side of the bottom rod (4) is provided with a first support (5), one side of the upper rod (7) is provided with a second support (8), the front of the first support (5) and the second support (8) are hingedly installed with a first electric push rod (9), one end of the upper rod (7) is provided with a first motor (14), the output end of the first motor (14) is provided with a long plate (6), one end of the long plate (6) is provided with two support columns (27) on both sides of the edge, one end of the two support columns (27) is commonly connected with a support plate (11), one side edge of the top of one of the support plates (11) is provided with an infrared range finder (29), one side edge of the top of the other support plate (11) is provided with a reflecting block (30), a square groove (10) is formed through the surface of the support plate (11), a detection assembly (12) is hingedly installed on one side edge of one end of the support plate (11), a connecting rod (13) is hingedly installed on one end of the detection assembly (12) close to the support plate (11), a conversion block (21) is hingedly installed on one side of the connecting rod (13), a sliding block (28) is hingedly installed on one side of the conversion block (21), and the sliding block (28) extends out of the square groove (10), a second electric push rod (20) is commonly connected between one side of the sliding block (28) and the support plate (11), a connecting frame (23) is installed on both sides of the two support plates (11), a spring (24) is commonly connected between the two connecting frames (23) on the same side of the two support plates (11), a second motor (19) is arranged at the middle position of one end of the long plate (6), a winding roller (16) is arranged at the output end of the second motor (19), and a traction rope (15) is commonly connected between the two sides of the winding roller (16) and the corresponding support plate (11).

2. The bridge tunnel crack detection apparatus of claim 1, wherein: The two sides of the square groove (10) are provided with limiting grooves (22), and the extension end of the sliding block (28) is connected in the limiting grooves (22) through blocks.

3. The bridge tunnel crack detection apparatus of claim 1, wherein: Two support grooves (26) are formed in the surface of the support plate (11) close to the two limiting grooves (22), and the support columns (27) are matched with the support grooves (26).

4. The bridge tunnel crack detection apparatus of claim 1, wherein: The bottom of the winding roller (16) is rotatably connected with a fixed plate (17), and the four corner positions of the fixed plate (17) are commonly connected with stand columns (18) between the long plate (6).

5. The bridge tunnel crack detection apparatus of claim 1, wherein: The two traction ropes (15) are arranged in a staggered manner on the outer surface of the winding roller (16).

6. The bridge tunnel crack detection apparatus of claim 1, wherein: The two connecting frames (23) in the spring (24) are connected by a telescopic rod (25).

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