Bridge detection safety protection device

Abstract

The utility model discloses a bridge detection safety protection device which comprises a placing table, a bridge detection device is arranged on the top of the placing table, and jacking assemblies used for jacking the placing table are arranged on the two sides of the bottom of the placing table. The two sets of fixing rings can be moved towards one side at the same time, meanwhile, one end of a second connecting plate is pushed towards one side, a rotary connecting piece connected with one end of a first connecting plate slides along the surface of a bottom plate, and therefore the lower ends of the first connecting plate and the second connecting plate are folded towards the inner side at the same time; according to the jacking device, the bottom plate is moved downwards and makes contact with the ground to jack the containing plate, then the situation that the jacking speeds of the jacking assemblies on the two sides are different is avoided, the bottom plate has the large contact area, and therefore the jacked containing plate has the good stability.

Description

TECHNICAL FIELD

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

[0002] Millimeter wave radar can accurately detect the tiny deformation and displacement of the bridge, for example, in the static deformation monitoring of the bridge structure, the displacement change of a few millimeters or even smaller can be accurately measured, which is extremely beneficial to the discovery of early tiny damage and potential hidden dangers, such as the expansion of tiny cracks on the surface of the bridge body due to temperature changes or long-term load of vehicles, and millimeter wave radar can sensitively capture.

[0003] The Chinese patent with publication number CN220538399U discloses a bridge detection device with a safety protection mechanism, relating to the technical field of bridge detection equipment, which comprises a base, four buffer mechanisms are arranged on the bottom surface of the base, two symmetrical fixing mechanisms are arranged on the outer surface of the base, a hand pushing part is fixedly connected to the upper surface of the base, an installation slot is formed in the upper surface of the base, a rotating motor is fixedly connected to the inner wall of the installation slot, an adjusting box is fixedly connected to the upper surface of the base, two symmetrical sliding grooves are formed in the outer surface of the adjusting box. It can buffer and dampen the bridge detection device during movement through the action of the four buffer mechanisms, and the four buffer mechanisms can independently buffer, so that the device can better buffer during movement, avoid vibration, and protect the device. The overall device has a simple structure, reasonable design, good stability, and can improve the stability of the bridge detection device.

[0004] The bridge detection device with a safety protection mechanism has some problems in use. When the fixing mechanism is twisted to fix the base, the fixing mechanisms on both sides of the base need to be operated simultaneously. However, if the twisting speed of both sides is inconsistent, it is easy to cause unbalanced loading on one side, and even the side with slower twisting speed may be stuck. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a bridge detection safety protection device to solve the problem of unbalanced loading on one side when the fixing mechanism is twisted to fix the base, and even the side with slower twisting speed may be stuck.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] The utility model provides a bridge detection safety protection device, including the placement platform, the top of placement platform is provided with bridge detection device, the bottom of placement platform both sides are provided with for jacking placement platform jacking assembly, the bottom of placement platform is fixedly connected with four groups of self locking universal wheel who sets up rectangularly through the second bolt, one side of placement platform is provided with push rod,

[0008] The jacking assembly includes a bottom plate arranged on the bottom of the placement platform on both sides, two groups of the bottom plate are provided with a rotating connecting piece on the bottom of the opposite side of the placement platform, the bottom of the placement platform is connected with a first connecting plate through the rotating connecting piece on both sides, the top of the two groups of the bottom plate is connected with a second connecting plate through the rotating connecting piece, the first connecting plate and the second connecting plate on the same side are arranged in a staggered manner and are hinged together through a fixed pin, one end of the two groups of the second connecting plate extends to the other side of the bottom of the placement platform and is fixedly connected with a fixed ring, the bottom of the placement platform is provided with a pushing assembly for simultaneously pushing the two groups of the fixed ring to simultaneously jack down the two groups of the bottom plate, and the two groups of the first connecting plate extend to the other side of the top of the corresponding position of the bottom plate and are slidingly connected to the top of the bottom plate through the rotating connecting piece.

[0009] Preferably, the pushing assembly includes two groups of bearing seats fixedly installed on the bottom of the placement platform, the inner cavities of the two groups of bearing seats are rotatably connected with lead screws, the surfaces of the lead screws are threadedly connected with nut seats, the two sides of the nut seats are fixedly connected with connecting rods, the two groups of connecting rods are respectively inserted into the inner cavities of the corresponding side fixed rings, one end of the lead screw penetrates through the corresponding side bearing seat and is fixedly connected with a hand wheel, the outer threads are arranged on the surface of the end of the lead screw close to the hand wheel, and a hand screw nut is connected through the outer threads.

[0010] Preferably, the rotating connecting piece includes a first bearing inlaid in both ends of the first connecting plate and one end of the second connecting plate, the inner ring of the first bearing is inserted with a fixed column, one end of three groups of the fixed column is fixedly connected with a connecting block, the connecting block located on the top is fixedly connected to the bottom surface of the placement platform, and the connecting block located on the bottom is fixedly connected to the top of the corresponding side bottom plate.

[0011] Preferably, the two groups of the bridge detection device are fixedly connected with fixed plates, the top surfaces of the two groups of the fixed plates are inserted with first bolts, and the first bolts located on both sides penetrate through the surfaces of the corresponding side fixed plates and are threadedly connected to the top surfaces of the placement platform.

[0012] Preferably, the bottom of the two groups of the bottom plate is bonded with a rubber pad.

[0013] Preferably, the top of the placement platform and the four sides of the bridge detection device are provided with a flashing warning device.

[0014] Compared with the prior art, the bridge detection safety protection device has the advantages that:

[0015] 1、The utility model discloses a setting of jacking assembly, control push assembly can move two groups of fixed rings to one side simultaneously, and the one end of second connecting plate is pushed to one side, and the rotary connecting piece connected with the one end of first connecting plate slides along the surface of bottom plate, so that the one end of first connecting plate and second connecting plate located below is folded to the inside simultaneously, and the bottom plate is contacted with the ground and is placed on the placing plate and is jacked up, thereby avoiding the situation that the jacking speed of two sides jacking assembly is not same, and the bottom plate has greater contact area, so that the placed plate after jacking has better stability.

[0016] 2、The utility model discloses a setting of push assembly, when the hand wheel of rotating screw rod one end is rotated, the nut seat will move along the screw rod, and the fixed ring is driven through connecting rod, so that the accurate control of jacking assembly is realized, and the setting of hand screw nut can lock the screw rod after adjusting to the suitable height, prevents the accidental rotation of screw rod, guarantees the stability of jacking state, and the design of whole push assembly makes the operator convenient operation, guarantees the stability of device in the working process simultaneously, prevents the generation of shaking, causes bridge detection device to fall from the top of placing table, thereby improve the safety protection of bridge detection device.

[0017] 3、The utility model discloses a setting of flash warning indicator, sets up flash warning indicator on the top of placing table around bridge detection device, and flash warning indicator can emit obvious warning signal, reminds surrounding personnel to pay attention to safety, avoids the personnel misoperation or close and causes the safety accident, improves the safety of detection work during bridge detection process, especially in complex environment such as construction site. DRAWINGS

[0018] Fig. 1 It is the structure schematic diagram of bridge detection safety protection device of the utility model;

[0019] Fig. 2 It is the structure schematic diagram of another view of bridge detection safety protection device of the utility model;

[0020] Fig. 3 It is the structure schematic diagram of first connecting plate of the utility model.

[0021] In the figure: 100, placing table; 101, flash warning indicator; 102, fixed plate; 103, first bolt; 104, bridge detection device; 105, push rod; 106, self-locking universal wheel; 107, second bolt; 200, bearing seat; 201, nut seat; 202, lead screw; 203, connecting rod; 204, hand nut; 205, external thread; 206, hand wheel; 300, first connecting plate; 301, fixed column; 302, first bearing; 303, fixed ring; 304, connecting block; 305, second connecting plate; 306, fixed pin; 307, bottom plate; 308, rubber pad. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described 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.

[0023] Please refer to Figs. 1-3 The embodiment provides a bridge detection safety protection device, which comprises a placing table 100, the top of the placing table 100 is provided with a bridge detection device 104, the bottom of the placing table 100 is provided with a jacking assembly for jacking the placing table 100 on both sides, the bottom of the placing table 100 is fixedly connected with four groups of self-locking universal wheels 106 arranged in a rectangular shape through second bolts 107, and one side of the placing table 100 is provided with a push rod 105.

[0024] The jacking assembly comprises a bottom plate 307 arranged at the bottom of each side of the placing table 100, and the bottom of the opposite side of each of the two bottom plates 307 is provided with a rotating connecting piece, and the bottom of the placing table 100 is connected with a first connecting plate 300 through the rotating connecting piece at each side, and the top of each of the two bottom plates 307 is connected with a second connecting plate 305 through the rotating connecting piece, the first connecting plate 300 and the second connecting plate 305 at the same side are arranged in a staggered manner and are hinged together through a fixing pin 306, one end of each of the two second connecting plates 305 extends to the bottom of the other side of the placing table 100 and is fixedly connected with a fixing ring 303, the bottom of the placing table 100 is provided with a pushing assembly for simultaneously pushing the two fixing rings 303 to simultaneously jack down the two bottom plates 307, and the two first connecting plates 300 extend to the top of the other side of the corresponding bottom plate 307 and are slidingly connected to the top of the bottom plate 307 through the rotating connecting piece, by arranging the jacking assembly and controlling the pushing assembly, the two fixing rings 303 can be simultaneously moved to one side, one end of the second connecting plate 305 is simultaneously pushed to one side, the rotating connecting piece connected to one end of the first connecting plate 300 slides along the surface of the bottom plate 307, so that one end of the first connecting plate 300 and the second connecting plate 305 located below is simultaneously folded inward, the bottom plate 307 is jacked down and contacted with the ground to jack up the placing plate, thereby avoiding the situation that the jacking speeds of the jacking assemblies at the two sides are different, and the bottom plate 307 has a large contact area, so that the placing plate after jacking has good stability.

[0025] The bridge detection device 104 is a millimeter wave radar and a radar corner reflector, and the specific working principle can refer to the millimeter wave radar main body and the radar corner reflector main body in the bridge deflection measuring device disclosed in the patent with the publication number CN221666876U. Since the working principle of the bridge detection device 104 belongs to the prior art, it will not be described again in this embodiment.

[0026] Further, the pushing assembly comprises two groups of bearing seats 200 fixedly installed at the bottom of the placing table 100, the inner cavities of the two groups of bearing seats 200 are rotatably connected with lead screws 202, the surfaces of the lead screws 202 are threadedly connected with nut seats 201, the two sides of the nut seats 201 are fixedly connected with connecting rods 203, the two groups of connecting rods 203 are respectively inserted into the inner cavities of the corresponding side fixing rings 303, one end of the lead screw 202 penetrates through the corresponding side bearing seat 200 and is fixedly connected with a hand wheel 206, the surface of the one end of the lead screw 202 close to the hand wheel 206 is provided with external threads 205 and is connected with a hand nut 204 through the external threads 205, through the setting of the pushing assembly, when the hand wheel 206 at one end of the lead screw 202 is rotated, the nut seat 201 will move along the lead screw 202, the connecting rod 203 drives the fixing ring 303, so as to realize accurate control of the jacking assembly, the setting of the hand nut 204 can lock the lead screw 202 after adjusting to the appropriate height, prevent the lead screw 202 from rotating accidentally, ensure the stability of the jacking state, the design of the whole pushing assembly makes the operator can operate conveniently, at the same time, ensures the stability of the device in the working process, prevents shaking, causes the bridge detection device 104 to fall from the top of the placing table 100, so as to improve the safety protection of the bridge detection device 104.

[0027] Further, the rotating connecting piece comprises first bearings 302 inlaid at both ends of the first connecting plate 300 and one end of the second connecting plate 305, the inner rings of the first bearings 302 are inserted with fixed columns 301, one end of the three groups of fixed columns 301 is fixedly connected with connecting blocks 304, the connecting block 304 located at the upper side is fixedly connected to the bottom surface of the placing table 100, the connecting block 304 located at the lower side is fixedly connected to the top of the corresponding side bottom plate 307, through the setting of the first bearing 302, the friction and wear can be reduced, the service life of the device is improved, and the assembly and maintenance are facilitated.

[0028] Preferably, the two groups of bridge detection devices 104 are fixedly connected with fixing plates 102, the top surfaces of the two groups of fixing plates 102 are inserted with first bolts 103, the first bolts 103 located at the two sides penetrate through the surfaces of the corresponding side fixing plates 102 and are threadedly connected to the top surface of the placing table 100, through the setting of the first bolt 103 and the fixing plate 102, the first bolt 103 is connected with the placing table 100, the connection mode is simple and reliable, when it is necessary to replace bridge detection devices 104 of different models or functions, the device can be conveniently disassembled and assembled, the versatility and expandability of the device are improved.

[0029] Described, the bottom of two groups of bottom plate 307 is bonded with rubber pad 308, through the setting of rubber pad 308, the bottom of bottom plate 307 is bonded with rubber pad 308, rubber pad 308 has certain elasticity and friction, when the device is placed on the ground, rubber pad 308 can play the role of protecting the ground, prevent bottom plate 307 from causing scratch or damage to the ground, meanwhile, the friction of rubber pad 308 can increase the stability of the device, avoid the device from moving easily in the working process due to external force.

[0030] Further, the top of the placing table 100 and located around the bridge detection device 104 is provided with a flashing warning indicator 101, through the setting of the flashing warning indicator 101, the flashing warning indicator 101 is arranged around the bridge detection device 104 on the top of the placing table 100, in the process of bridge detection, especially in the complex environment such as construction site, the flashing warning indicator 101 can emit obvious warning signal, remind the surrounding personnel to pay attention to safety, avoid causing safety accidents due to personnel misoperation or approaching, improve the safety of detection work.

[0031] Working principle;

[0032] First, the bridge detection device 104 is placed on the top of the placing table 100, then the first bolt 103 is used to penetrate the fixing plate 102 in sequence and is screwed to the top of the fixing plate 102 at the same time, the bridge detection device 104 is fixed, then the push rod 105 is pushed to push the placing table 100 to the required position, then the hand wheel 206 is rotated, the hand wheel 206 drives the lead screw 202 to rotate, so that the nut seat 201 moves to one side, at the same time, one end of the second connecting plate 305 is pushed to one side, at the same time, the rotating connecting piece connected with one end of the first connecting plate 300 slides along the surface of the bottom plate 307, so that the first connecting plate 300 and the second connecting plate 305 located at the lower end of the one side are folded inward at the same time, the bottom plate 307 is contacted with the ground and is jacked up to the placing plate, when the placing table 100 is jacked up to the required height, the hand nut 204 is rotated, one end of the hand nut 204 is tightened on the surface of the bearing seat 200, so that the lead screw 202 is fixed.

[0033] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A bridge inspection safety shield, comprising: The application discloses a bridge detection device and a lifting assembly. The lifting assembly comprises bottom plates (307) arranged on the bottom of the placing table (100) on both sides, and the bottom of the placing table (100) is provided with rotating connecting pieces on the bottom of the opposite side of the two bottom plates (307), and the bottom of the placing table (100) is connected with first connecting plates (300) on both sides through the rotating connecting pieces. The pushing assembly comprises two groups of bearing seats (200) fixedly installed on the bottom of the placing table (100), the inner cavities of the two groups of bearing seats (200) are rotatably connected with lead screws (202), the surfaces of the lead screws (202) are threadedly connected with nut seats (201), the two sides of the nut seats (201) are fixedly connected with connecting rods (203), the two groups of connecting rods (203) are respectively inserted into the inner cavities of the corresponding side fixed rings (303), one end of the lead screw (202) penetrates through the corresponding side bearing seat (200) and is fixedly connected with a hand wheel (206), the surface of the one end of the lead screw (202) close to the hand wheel (206) is provided with an external thread (205) and is connected with a hand screw nut (204) through the external thread (205).

2. The bridge detection safety shield of claim 1, wherein: The rotating connecting piece comprises a first bearing (302) inlaid on both ends of the first connecting plate (300) and one end of the second connecting plate (305), the inner ring of the first bearing (302) is inserted with a fixed column (301), one end of three groups of the fixed columns (301) is fixedly connected with a connecting block (304), the connecting block (304) located on the top is fixedly connected to the bottom surface of the placing table (100), and the connecting blocks (304) located on the bottom are respectively fixedly connected to the top of the corresponding side bottom plate (307).

3. The bridge inspection safety shield of claim 2, wherein: Both groups of the bridge detection device (104) are fixedly connected with fixed plates (102), the top surfaces of both groups of the fixed plates (102) are inserted with first bolts (103), and the first bolts (103) located on both sides are respectively penetrated through the surfaces of the corresponding fixed plates (102) and are threadedly connected to the top surface of the placement table (100).

4. The bridge detection safety shield of claim 3, wherein: The bottoms of both groups of the bottom plates (307) are bonded with rubber pads (308).

5. The bridge detection safety shield of claim 4, wherein: The top of the placement table (100) and the periphery of the bridge detection device (104) are provided with flash warning indicators (101).

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