Cylindrical pier concrete structure detection device of bridge and working method of cylindrical pier concrete structure detection device

Abstract

The invention relates to a detection device for a concrete structure of a cylindrical pier of a bridge, which comprises a plurality of moving parts which are uniformly distributed along the circumference, a detection mechanism and a climbing mechanism are arranged on the inner circumferential side surface of each moving part, a connecting mechanism is fixedly connected between every two adjacent moving parts, and the connecting mechanisms are used for performing telescopic adjustment along the arc direction. The detection mechanism is attached to the arc surface of the bridge pier for detection, the connecting mechanism connects the moving parts into a circular ring to sleeve the bridge pier, and the inner diameter of the circular ring can be changed by adjusting the arc direction of the connecting mechanism to adapt to bridge piers of different sizes, so that the effect that the detection device is matched with the bridge pier in size is achieved. And the application range of the device is effectively expanded. The climbing mechanism enables the device to move up and down on the arc surface of the bridge pier, so that the device can climb to the top position of the bridge pier for detection, and the top position of the bridge pier can be safely detected.

Description

Technical Field

[0001] The invention relates to a detection device for a cylindrical bridge pier concrete structure of a bridge and a working method thereof, and relates to the technical field of bridge pier concrete structure detection. Background Art

[0002] During the inspection of the concrete structure of the bridge, the piers, as the main supporting body of the bridge, need to undergo strict inspection. Due to the high height of the piers, ultrasonic inspection requires the ultrasonic transmitter to be close to the surface of the pier to be effective. As a result, when using ultrasonic equipment to inspect the internal concrete structure of the piers, workers need to climb to the top of the piers to conduct inspections, resulting in greater risks in inspecting the piers. Summary of the invention

[0003] In view of the deficiencies in the prior art, the technical problem to be solved by the present invention is to provide a detection device for the concrete structure of a cylindrical pier of a bridge and a working method thereof.

[0004] In order to solve the above technical problems, the technical solution of the present invention is: a cylindrical pier concrete structure detection device for a bridge, comprising a plurality of movable parts evenly distributed around the circumference, wherein a detection mechanism and a climbing mechanism are arranged on the inner circumferential side surfaces of the movable parts, and a connecting mechanism is fixedly connected between two adjacent movable parts, and the connecting mechanism is used for telescopic adjustment along the arc direction.

[0005] Preferably, the detection mechanisms all include a supporting member, and an ultrasonic probe is provided on the supporting member.

[0006] Preferably, a driving assembly is connected between the supporting member and the moving member to drive the supporting member to move radially back and forth for adjustment.

[0007] Preferably, the supporting members are also provided with a buffer component for buffering the impact with the pier in the radial moving direction.

[0008] Preferably, each of the buffer components is provided with a sound reminder component.

[0009] Preferably, the climbing mechanisms all include a driving roller mounted on the moving member, and the driving roller is driven to rotate by a servo motor.

[0010] Preferably, the driving components all include a first bolt threaded on the moving part, the nut head of the first bolt is located on the outer peripheral side of the moving part, the screw tail of the first bolt is rotatably connected to the supporting part, a hollow conduit is fixed on the supporting part, and the conduit is inserted into a guide hole opened on the moving part.

[0011] Preferably, the buffer assembly includes a ball located on the inner circumferential side of the supporting member, the ball is mounted on a ball bracket, a push rod is fixedly provided on the ball bracket, the push rod passes outward through the supporting member and then coaxially inserted into the catheter, a buffer spring sleeved on the outer periphery of the push rod is provided between the ball bracket and the supporting member; the sound reminder assembly includes an air horn located inside the catheter, the air nozzle end of the air horn is connected to an air bag, the air bag is squeezed by the push rod, wherein a conical top block with a narrow part facing outward is fixedly provided on the end of the push rod that squeezes the air bag, and the sound-emitting end of the air horn is connected to a trumpet mouth.

[0012] Preferably, the connecting mechanisms include an arc-shaped fixing rod, both end sides of the fixing rod are slidably connected with an arc-shaped support rod, and a locking screw is provided between the support rod and the fixing rod; and a convex joint is fixedly provided at the outer end of one of the support rods, a spring pin is provided on the convex joint, and a transfer block is hingedly provided at the outer end of the other support rod, and a mounting through hole is provided on the transfer block and a second bolt is connected to the transfer block; a convex recess is provided on one end side of the moving part, a positioning pin hole is provided on the convex recess, and a rectangular groove with a shape adapted to the transfer block is provided on the other end side, and an internal threaded hole is provided on the rectangular groove; the convex joint is embedded in the convex recess and the spring pin is embedded in the positioning pin hole, and the transfer block is embedded in the rectangular groove and the second bolt is screwed into the internal threaded hole.

[0013] A working method of a cylindrical pier concrete structure detection device for a bridge is carried out in the following steps: S1. Placement of moving parts: When the concrete structure of a cylindrical bridge pier needs to be inspected, the staff will place several groups of moving parts around the bridge pier; S2, the moving member is connected with the connecting mechanism: a connecting mechanism is placed between two adjacent moving members; in each connecting mechanism, the convex joint is embedded in the convex concave part of an adjacent moving member and the spring pin is embedded in the positioning pin hole, the adapter block is embedded in the rectangular groove of the other adjacent moving member and the second bolt is screwed into the internal threaded hole; S3, coarse adjustment of inner diameter: after all moving parts are connected to the connecting mechanism, a ring that can surround the bridge pier is formed; then, in each connecting mechanism, the arc relative position between the support rod and the fixed rod is adjusted by loosening and tightening the set screws, and the inner diameter of the ring is quickly adjusted so that the inner circle of the ring is close to the bridge pier; S4, fine adjustment of the inner diameter: in each connection mechanism, by rotating the second bolt, the inner diameter of the ring is continuously reduced so that the driving roller on the moving part fits the bridge pier; S5. Position adjustment of the detection mechanism: by rotating the first bolt, the first bolt will drive the support member to move radially until the ball contacts the arc surface of the bridge pier, and the ball support and the push rod move outward, the buffer spring is squeezed and contracted, the top block at one end of the push rod abuts against the airbag, the airbag is squeezed, and the gas in the airbag is discharged from the position of the blowing horn, so that the blowing horn makes a sound, alerting the staff that the support member contacts the arc surface of the bridge pier. At this time, the adjustment of the detection equipment has been completed; S6. By supplying power to the ultrasonic probe and the servo motor, the servo motor drives the driving roller to rotate, so that the moving part climbs up along the bridge pier. The ultrasonic probe emits ultrasonic waves to scan the concrete structure inside the bridge pier, and the data is transmitted to the computer for recording.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention sets a detection mechanism. When the detection device needs to fit on the arc surface of the pier for detection, it is convenient for the staff to adjust the distance between the detection mechanism and the arc surface of the pier, so as to avoid the situation in which the detection mechanism is damaged by friction due to the small distance between the detection mechanism and the arc surface of the pier during mobile detection.

[0015] 2. The present invention connects the movable parts into a circular ring by setting a connecting mechanism and sleeved on the bridge pier. The inner diameter of the circular ring can be changed by adjusting the arc direction of the connecting mechanism to adapt to bridge piers of different sizes, thereby achieving the effect of adapting the detection device to the size of the bridge pier, and effectively improving the application scope of the device.

[0016] 3. The present invention provides a climbing mechanism so that the device can move up and down on the arc surface of the pier, so that the device can climb to the top of the pier for detection, thereby realizing safe detection operations on the top of the pier.

[0017] The present invention is further described in detail below with reference to the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 Schematic diagram of the structure of an embodiment of the present invention.

[0019] Figure 2 Schematic diagram of the structure of the moving parts Figure 1 .

[0020] Figure 3 Schematic diagram of the structure of the moving parts Figure 2 .

[0021] Figure 4 Schematic diagram of the structure of the moving parts Figure 3 .

[0022] Figure 5 Schematic diagram of the detection mechanism.

[0023] Figure 6 Schematic diagram of the structure of the buffer component Figure 1 .

[0024] Figure 7 Schematic diagram of the structure of the buffer component Figure 2 .

[0025] Figure 8 Schematic diagram of the local structure of the connection mechanism Figure 1 .

[0026] Fig. 9 Schematic diagram of the local structure of the connection mechanism Figure 2 .

[0027] Fig.10 Schematic diagram of the structure of the driving roller. DETAILED DESCRIPTION

[0028] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0029] It should be noted that the following detailed descriptions are exemplary and are intended to provide further explanation of the present application. Unless otherwise specified, all technical and scientific terms used herein have the same meanings as those commonly understood by those skilled in the art to which the present application belongs.

[0030] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0031] like Figures 1 to 10 As shown, this embodiment provides a detection device for the concrete structure of a cylindrical pier of a bridge, including a plurality of movable parts 1 evenly distributed around the circumference, wherein a detection mechanism 2 and a climbing mechanism 3 are provided on the inner circumferential side surfaces of the movable parts, and a connecting mechanism 4 is fixedly connected between two adjacent movable parts, and the connecting mechanism is used for telescopic adjustment along the arc direction.

[0032] In the embodiment of the present invention, four moving members are provided, and each moving member is in the shape of an arc plate.

[0033] In the embodiment of the present invention, the detection mechanism comprises a supporting member 5, and an ultrasonic probe 6 is fixedly connected to the supporting member for detecting the concrete structure of the cylindrical pier.

[0034] In the embodiment of the present invention, a driving assembly is connected between the supporting member and the moving member to drive the supporting member to move radially back and forth for adjustment.

[0035] In the embodiment of the present invention, the supporting members are also provided with a buffer component for buffering the impact with the pier in the radial moving direction.

[0036] In the embodiment of the present invention, a sound reminder component is provided on each of the buffer components.

[0037] In the embodiment of the present invention, the climbing mechanism includes a driving roller 7 installed on the moving part, and the driving roller is driven to rotate by a servo motor 8.

[0038] Specifically, there are four driving rollers, which are sequentially distributed at the upper left, lower left, upper right and lower right positions on the inner peripheral side surface of the moving part.

[0039] The driving roller surface has anti-skid stripes, and the anti-skid stripes are made of rubber material. The anti-skid stripes made of rubber material can effectively increase the friction between the driving roller and the surface of the bridge pier when being squeezed by the arc surface of the bridge pier.

[0040] In the embodiment of the present invention, the driving assembly includes a first bolt 9 which is radially threaded on the moving part, the nut head of the first bolt is located on the outer peripheral side of the moving part, the screw tail of the first bolt is rotatably connected to the supporting part, and a hollow conduit 10 is fixed on the supporting part, and the conduit is inserted into the guide hole opened on the moving part.

[0041] Specifically, there are four conduits, which are sequentially distributed at the upper left, lower left, upper right and lower right positions of the supporting member, and a buffer component is provided at the position of each conduit.

[0042] There are also four guide holes, and the positions correspond to the conduits one by one. The openings of the guide holes on the outer peripheral side of the moving part are fixedly connected with dust covers 11. When the detection equipment is used outdoors for a long time, dust is prevented from falling into the speaker and causing damage to the speaker.

[0043] In an embodiment of the present invention, the buffer component includes a ball 12 located on the inner circumferential side of the supporting member, the ball is installed on a ball bracket 13, a push rod 14 is fixed on the ball bracket, the push rod is slidably connected to the supporting member, the push rod passes outward through the supporting member and then coaxially inserted into the catheter, a buffer spring 15 is arranged between the ball bracket and the supporting member and is sleeved on the outer periphery of the push rod; the sound reminder component includes an air horn 16 located inside the catheter, the air nozzle end of the air horn is connected to an air bag 17, the air bag is squeezed by the push rod, wherein a conical top block 18 with a narrow part facing outward is fixed on the end of the push rod that squeezes the air bag, the conical top block can fit with the deflated air bag, thereby reducing damage to the air bag, the sounding end of the air horn is connected to a bell mouth 19, the narrow part of the bell mouth is connected inward to the sounding end of the air horn, and the wide part of the bell mouth faces outward.

[0044] Specifically, the ball support is three-quarters of a spherical shell, and the ball is embedded in the spherical shell to roll. One end of the buffer spring is fixedly connected to the ball support, and the other end is fixedly connected to the supporting member.

[0045] In the embodiment of the present invention, the connecting mechanisms include an arc-shaped fixing rod 20, and arc-shaped support rods 21 are slidably connected on both end sides of the fixing rod, and set screws 22 are arranged between the support rod and the fixing rod; and a convex joint 23 is fixedly provided at the outer end of one of the support rods, and a spring pin is arranged on the convex joint, and a transfer block 24 is hingedly connected to the outer end of the other support rod, and the transfer block is provided with a mounting through hole and connected with a second bolt 25; a convex recess 26 is provided on one end side of the moving part, and a positioning pin hole is provided on the convex recess, and a rectangular groove 35 with a shape adapted to the transfer block is provided on the other end side, and an internal threaded hole is provided on the rectangular groove; the convex joint is embedded in the convex recess and the spring pin is embedded in the positioning pin hole 27, and the transfer block is embedded in the rectangular groove and the second bolt is screwed into the internal threaded hole.

[0046] Specifically, the side of the adapter block is provided with a side through groove 28 which is connected with its mounting through hole. When the second bolt is inserted into the mounting through hole, the nut head of the second bolt is in the side through groove, and the side of the nut head is exposed and protrudes from the side through groove, so that the operator can easily rotate the second bolt.

[0047] Specifically, the support rod is inserted into the arc-shaped slot on the fixed rod to achieve expansion and contraction along the arc. The set screw is screwed on the fixed rod, and a pressing plate 29 is vertically fixed at the tail of the screw to tighten the support rod.

[0048] The support rod and the top surface of the pressing plate are fixedly connected with an anti-skid layer, which is a rubber gasket, which effectively improves the friction force of the pressing plate against the support rod and tightens the support rod more firmly.

[0049] Specifically, the spring pin includes a pin body 30 and a spring 31. An operating recess 32 is provided on the outer side of the male connector, the pin body is inserted through the end of the male connector, a push plate 33 fixed to the tail end of the pin body is provided inside the operating recess, and the spring is fixedly connected between the push plate and the operating recess, wherein the push plate extends out of the outer side of the operating recess, so that the operator can control the extension and retraction of the pin body by pressing the push plate.

[0050] The number of the pin bodies and the number of the springs are both two, and the push plate is fixed to the tail ends of the two pin bodies at the same time.

[0051] In the embodiment of the present invention, the periphery of the nut head 34 of the first and second bolts are provided with anti-slip protrusions.

[0052] A working method of a cylindrical pier concrete structure detection device for a bridge is carried out in the following steps: S1. Placement of moving parts: When the concrete structure of a cylindrical bridge pier needs to be inspected, the staff will place several groups of moving parts around the bridge pier; S2, the moving member is connected with the connecting mechanism: a connecting mechanism is placed between two adjacent moving members; in each connecting mechanism, the convex joint is embedded in the convex concave part of an adjacent moving member and the spring pin is embedded in the positioning pin hole, the adapter block is embedded in the rectangular groove of the other adjacent moving member and the second bolt is screwed into the internal threaded hole; S3, coarse adjustment of inner diameter: after all moving parts are connected to the connecting mechanism, a ring that can surround the bridge pier is formed; then, in each connecting mechanism, the arc relative position between the support rod and the fixed rod is adjusted by loosening and tightening the set screws, and the inner diameter of the ring is quickly adjusted so that the inner circle of the ring is close to the bridge pier; S4, fine adjustment of the inner diameter: in each connection mechanism, by rotating the second bolt, the inner diameter of the ring is continuously reduced so that the driving roller on the moving part fits the bridge pier; S5. Position adjustment of the detection mechanism: by rotating the first bolt, the first bolt will drive the support member to move radially until the ball contacts the arc surface of the pier, and continues to squeeze after contact, the ball support and the push rod move outward, the buffer spring is squeezed and contracted, the top block at one end of the push rod abuts against the airbag, the airbag is squeezed, and due to the poor ductility of the airbag, the airbag can effectively slow down the expansion and contraction swing amplitude of the buffer spring, making the buffer spring less susceptible to damage, the gas in the airbag will be discharged from the position of the blowing horn, so that the blowing horn makes a sound, alerting the staff that the support member contacts the arc surface of the pier, and at this time the detection equipment has been adjusted; S6. By supplying power to the ultrasonic probe and the servo motor, the servo motor drives the driving roller to rotate, so that the moving part climbs up along the bridge pier. The ultrasonic probe emits ultrasonic waves to scan the concrete structure inside the bridge pier, and the data is transmitted to the computer for recording.

[0053] It has the following beneficial effects: 1. The present invention sets up a detection mechanism. When the detection equipment needs to fit on the arc surface of the pier for detection, it is convenient for the staff to adjust the distance between the ultrasonic probe and the arc surface of the pier, so as to avoid the situation in which the ultrasonic probe is damaged by friction due to the small distance between the ultrasonic probe and the arc surface of the pier during mobile detection.

[0054] 2. The present invention connects four groups of moving parts into a circular ring by setting a connecting mechanism and sleeved on the bridge pier. The inner diameter of the circular ring can be changed by adjusting the position of the supporting rod inside the fixed rod, so that it can adapt to bridge piers of different sizes, thereby achieving the effect of adapting the size of the detection equipment to the bridge pier, and effectively improving the scope of application of the equipment.

[0055] 3. The present invention sets a climbing mechanism and uses a servo motor to drive the driving roller to rotate, so that the device can move up and down on the arc surface of the pier, so that the device can climb to the top position of the pier for detection, thereby realizing safe detection operations on the top position of the pier.

[0056] The above is only a preferred embodiment of the present invention, and does not limit the present invention in other forms. Any technician familiar with the profession may use the above disclosed technical content to change or modify it into an equivalent embodiment with equivalent changes. However, any simple modification, equivalent change and modification made to the above embodiment according to the technical essence of the present invention without departing from the technical solution of the present invention still belongs to the protection scope of the technical solution of the present invention.

Claims

1. A detection device for a cylindrical bridge pier concrete structure of a bridge, characterized in that: It comprises a plurality of moving parts evenly distributed around the circumference, wherein the inner circumferential side surfaces of the moving parts are provided with detection mechanisms and climbing mechanisms, and connecting mechanisms are fixedly connected between two adjacent moving parts, and the connecting mechanisms are used for telescopic adjustment along the arc direction.

2. The cylindrical pier concrete structure detection device for bridges according to claim 1 is characterized in that: The detection mechanisms all include a supporting member, and an ultrasonic probe is arranged on the supporting member.

3. The cylindrical pier concrete structure detection device for bridges according to claim 2 is characterized in that: A driving assembly is connected between the supporting member and the moving member to drive the supporting member to move radially back and forth for adjustment.

4. The cylindrical pier concrete structure detection device for bridges according to claim 3 is characterized in that: The supporting members are also provided with a buffer component for buffering against impact with abutments in the radial moving direction thereof.

5. The cylindrical pier concrete structure detection device for bridges according to claim 4 is characterized in that: The buffer components are all provided with sound reminder components.

6. The cylindrical pier concrete structure detection device for bridges according to claim 1 is characterized by: The climbing mechanisms all include a driving roller mounted on a moving part, and the driving roller is driven to rotate by a servo motor.

7. The cylindrical pier concrete structure detection device for bridges according to claim 5 is characterized by: The driving components all include a first bolt threaded on a moving part, a nut head of the first bolt is located on the outer peripheral side of the moving part, a screw tail of the first bolt is rotatably connected to a supporting part, a hollow conduit is fixed on the supporting part, and the conduit is inserted into a guide hole opened on the moving part.

8. The cylindrical pier concrete structure detection device for bridges according to claim 7 is characterized in that: The buffer component includes a ball located on the inner circumferential side of the supporting member, the ball is installed on the ball bracket, a push rod is fixed on the ball bracket, the push rod passes through the supporting member outward and then coaxially inserted into the catheter, a buffer spring is arranged between the ball bracket and the supporting member and is sleeved on the outer periphery of the push rod; the sound reminder component includes an air horn located inside the catheter, the air nozzle end of the air horn is connected to an air bag, the air bag is squeezed by the push rod, wherein a conical top block with a narrow part facing outward is fixed on the end of the push rod that squeezes the air bag, and the sound-emitting end of the air horn is connected to a trumpet mouth.

9. The cylindrical pier concrete structure detection device for bridges according to claim 1, characterized in that: The connecting mechanisms include an arc-shaped fixing rod, and arc-shaped support rods are slidably connected on both end sides of the fixing rod, and set screws are arranged between the support rod and the fixing rod; and a convex joint is fixedly provided at the outer end of one of the support rods, and a spring pin is arranged on the convex joint, and a transfer block is hingedly connected to the outer end of the other support rod, and a mounting through hole is arranged on the transfer block and a second bolt is connected to the transfer block; a convex recess is arranged on one end side of the moving part, and a positioning pin hole is arranged on the convex recess, and a rectangular groove with a shape adapted to the transfer block is arranged on the other end side, and an internal threaded hole is arranged on the rectangular groove; the convex joint is embedded in the convex recess and the spring pin is embedded in the positioning pin hole, and the transfer block is embedded in the rectangular groove and the second bolt is screwed into the internal threaded hole.

10. A working method of the cylindrical pier concrete structure detection device of a bridge as claimed in any one of claims 1 to 9, characterized in that: Follow these steps: S1. Placement of moving parts: When the concrete structure of a cylindrical bridge pier needs to be inspected, the staff will place several groups of moving parts around the bridge pier; S2, the moving member is connected with the connecting mechanism: a connecting mechanism is placed between two adjacent moving members; in each connecting mechanism, the convex joint is embedded in the convex concave part of an adjacent moving member and the spring pin is embedded in the positioning pin hole, the adapter block is embedded in the rectangular groove of the other adjacent moving member and the second bolt is screwed into the internal threaded hole; S3, coarse adjustment of inner diameter: after all moving parts are connected to the connecting mechanism, a ring that can surround the bridge pier is formed; then, in each connecting mechanism, the arc relative position between the support rod and the fixed rod is adjusted by loosening and tightening the set screws, and the inner diameter of the ring is quickly adjusted so that the inner circle of the ring is close to the bridge pier; S4, fine adjustment of the inner diameter: in each connection mechanism, by rotating the second bolt, the inner diameter of the ring is continuously reduced so that the driving roller on the moving part fits the bridge pier; S5. Position adjustment of the detection mechanism: by rotating the first bolt, the first bolt will drive the support member to move radially until the ball contacts the arc surface of the bridge pier, and the ball support and the push rod move outward, the buffer spring is squeezed and contracted, the top block at one end of the push rod abuts against the airbag, the airbag is squeezed, and the gas in the airbag is discharged from the position of the blowing horn, so that the blowing horn makes a sound, alerting the staff that the support member contacts the arc surface of the bridge pier. At this time, the adjustment of the detection equipment has been completed; S6. By supplying power to the ultrasonic probe and the servo motor, the servo motor drives the driving roller to rotate, so that the moving part climbs up along the bridge pier. The ultrasonic probe emits ultrasonic waves to scan the concrete structure inside the bridge pier, and the data is transmitted to the computer for recording.

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