Bridge stay cable crawling device

Abstract

A bridge stay cable crawling device comprises a first baffle, a second baffle and a third baffle, the first baffle and the second baffle are fixed to the two sides of the third baffle respectively, a rotating plate is arranged on the second baffle through a hinge, mounting blocks which are symmetrically distributed are fixedly connected to the first baffle, and the rotating plate is arranged on the rotating plate. A screw is arranged on the rotating plate in a threaded mode, a plurality of sets of first guide rods are fixedly connected to the first baffle and the second baffle, a plurality of guide blocks are arranged on each set of first guide rods in a sliding mode, a plurality of adjacent guide blocks are jointly provided with an electric rolling wheel through a rotating rod, the first guide rods are sleeved with first elastic pieces, and the first elastic pieces are sleeved with second elastic pieces. A control center is installed on the first baffle, and a detection assembly is arranged on the third baffle. The device adopts remote control, in practical application, the device is clamped to the stay cable for detection, a single person can control the device on the ground, high-altitude operation is not needed, and great convenience is provided for detection units.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge stay cable detection, in particular to a bridge stay cable crawling device. Background Art

[0002] A cable-stayed bridge is composed of a tower, a main beam, and cable-stayed cables. The cable-stayed cables are the main load-bearing components that directly transfer the weight of the main beam and the bridge deck to the tower. Their safety and durability are extremely important to the normal use and overall safety of the bridge. Therefore, they need to be inspected regularly to ensure their safety and avoid rust or breakage that affects the bridge structure.

[0003] Currently, traditional cable inspection requires workers to work in a hanging basket at high altitude, which has low work efficiency, extremely high safety risks, and will cause certain impacts on bridge traffic during the inspection.

[0004] Therefore, there is an urgent need to provide a bridge cable crawling device with a cable detection function. Utility Model Content

[0005] In order to overcome the shortcomings of the traditional method in which workers inspect cables at high altitudes in a hanging basket, which has low work efficiency, extremely high safety risks, and a certain impact on bridge traffic during the inspection, the utility model provides a bridge inclined cable crawling device with a cable inspection function.

[0006] To solve the above-mentioned problem, the utility model adopts the following technical scheme: a bridge cable crawling device, comprising a first baffle, a second baffle and a third baffle, the first baffle and the second baffle are respectively fixed on both sides of the third baffle, the second baffle is provided with a rotating plate by a hinge, the first baffle is fixedly connected with symmetrically distributed mounting blocks, the rotating plate is threadedly provided with screws, the screws can be threadedly connected with the mounting blocks to lock the rotating plate, the first baffle and the second baffle are fixedly connected with multiple groups of first guide rods, the first guide rod of each group is slidably provided with a guide block, and multiple adjacent guide blocks are jointly provided with an electric roller through a rotating rod, the first guide rod is sleeved with a first elastic member, the first baffle is installed with a control center, the operation of the device can be remotely controlled by the control center, and the third baffle is provided with a detection component for detecting the damage state of the cable surface.

[0007] In addition, it is particularly preferred that the detection component includes a plurality of arc guide rails, and the plurality of arc guide rails are fixedly connected to the third baffle plate; a symmetrically distributed straight guide rail is fixedly connected to the second baffle plate; one end of a rotating plate is slidably provided on the straight guide rail; the other end of the rotating plate slides on the arc guide rail; a detection camera is slidably provided on the rotating plate; the detection camera can capture images of cable surface damage; a symmetrically distributed first mounting seat is fixedly connected to the third baffle plate; a locking ball is slidably provided on the first mounting seat; the locking ball passes through the third baffle plate and can be engaged with the rotating plate after movement; a second elastic member is connected between the locking ball and the first mounting seat.

[0008] In addition, it is particularly preferred that a wind direction sensor is fixedly connected to the first baffle, a plurality of wind direction detection heads are provided on the wind direction sensor, and the wind direction detection heads are used to detect wind direction and wind force, and a first signal module is provided on the control center.

[0009] In addition, it is particularly preferred that the third baffle and the rotating plate are provided with an electromagnetic flaw detection detector on the side close to each other, and the electromagnetic flaw detection detector can be used to detect the condition of the steel wire inside the cable, and the third baffle and the rotating plate are provided with a second signal module on the side away from each other.

[0010] In addition, it is particularly preferred that the third baffle plate and the rotating plate are fixedly connected to a second guide rod on one side close to each other, a second mounting seat is slidably arranged on the second guide rod, a third elastic member is sleeved on the second guide rod, a plurality of second rollers are mounted on the second mounting seat, and the second rollers are arranged to assist the device in crawling.

[0011] In addition, it is particularly preferred that a collision prevention block is provided on a side of the guide block close to the baffle.

[0012] In addition, it is particularly preferred that the outer cover of the electric roller is provided with a rubber cover.

[0013] Compared with the prior art, the utility model has the following technical effects: 1. Through the remote control of the device, in actual application, the device is clamped to the inclined cable for detection. One person can operate it on the ground without the need for high-altitude operations, which provides great convenience for the detection unit.

[0014] 3. The electromagnetic flaw detector can detect the internal steel wire of the cable while detecting the surface of the cable, greatly improving the efficiency and accuracy of cable detection.

[0015] 4. The wind direction and wind force are detected by the wind direction detection head during crawling, and the collected data is transmitted to the staff through the wind direction sensor, so that the staff can adjust the operating status of the device according to the wind direction and wind force to ensure the safe operation of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0017] Figure 2 It is a three-dimensional cross-sectional structural schematic diagram of the guide block, control center and electric roller of the utility model.

[0018] Figure 3 It is a three-dimensional cross-sectional structural schematic diagram of the arc guide rail, rotating plate and detection camera of the utility model.

[0019] Figure 4 For this utility model Figure 3 Enlarged view of point A in the middle.

[0020] Figure 5 It is a three-dimensional cross-sectional structural schematic diagram of the wind direction sensor, the wind direction detection head and the first signal module of the utility model.

[0021] Figure 6 It is a three-dimensional cross-sectional structural schematic diagram of the second guide rod, the third elastic member and the second roller of the utility model.

[0022] Among them, the above-mentioned drawings include the following figure marks: 1-first baffle, 101-second baffle, 102-third baffle, 2-hinge, 3-turn plate, 4-mounting block, 5-mounting screw, 6-control center, 7-first guide rod, 8-guide block, 9-turn rod, 10-first elastic member, 11-electric roller, 12-arc guide rail, 13-straight guide rail, 14-rotating plate, 15-detection camera, 16-card ball, 17-first mounting seat, 18-second elastic member, 19-wind direction sensor, 20-wind direction detection head, 23-first signal module, 24-electromagnetic flaw detection detector, 25-second signal module, 26-second mounting seat, 27-second guide rod, 28-third elastic member, 29-second roller, 30-anti-collision block, 31-rubber sleeve. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example

[0024] See also Figure 1-Figure 4, a bridge cable crawling device includes a first baffle 1, a second baffle 101 and a third baffle 102, the first baffle 1 and the second baffle 101 are respectively fixed to the right and left sides of the third baffle 102, a rotating plate 3 is arranged at the front left side of the second baffle 101 through two hinges 2, the front left side of the first baffle 1 is fixedly connected to two mounting blocks 4 symmetrically distributed up and down, the rotating plate 3 is threadedly provided with screws, the screws can be threadedly connected with the mounting blocks 4 to lock the rotating plate 3, the first baffle 1 and the second baffle 101 are both fixedly connected to two groups of first guide rods 7 symmetrically distributed up and down, each group of the first guide rods 7 has a total of four, and the four first guide rods 7 of each group are symmetrically distributed front and back in pairs, and each group of two adjacent first guide rods 7 are slidably provided with a guide block 8, and a side of the guide block 8 close to the baffle is provided with an anti-collision block 30, and the guide block 8 moves, the anti-collision block 30 can prevent the guide block from colliding with the baffle and being damaged. The two adjacent guide blocks 8 are jointly provided with an electric roller 11 through a rotating rod 9. The operation of the electric roller 11 can drive the device to crawl. The electric roller 11 is externally sleeved with a rubber sleeve 31. The rubber sleeve 31 can increase the friction between the electric roller 11 and the cable. The first guide rod 7 is sleeved with a first elastic member 10. The two ends of the first elastic member 10 are respectively connected to the guide block 8 and the first guide rod 7. Under the action of the first elastic member 10, the four electric rollers 11 can be moved to a suitable position according to the size of the cable and then clamped on the surface of the cable. A control center 6 is installed on the first baffle 1. Through the setting of the control center 6, the operation of the device can be remotely controlled. A detection component is provided on the third baffle 102. The detection component is used to detect the damage state of the cable epidermis.

[0025] See also Figure 3 The detection component includes two dry arc guide rails 12, the two arc guide rails 12 are fixedly connected to the rear side of the third baffle 102, and the lower part of the rear side of the second baffle 101 is fixedly connected to two straight guide rails 13 symmetrically distributed on the left and right, and one end of a rotating plate 14 is slidably provided on the straight guide rail 13, and the other end of the rotating plate 14 slides on the arc guide rail 12, and a detection camera 15 is slidably provided on the rotating plate 14, and the detection camera 15 can collect the image of the cable epidermis damage, and two first mounting seats 17 symmetrically distributed on the upper part of the rear side of the third baffle 102 are fixedly connected, and a card ball 16 is slidably provided on the first mounting seat 17, and the card ball 16 passes through the third baffle 102 and can be carded with the moved rotating plate 14 to achieve fixation, and a second elastic member 18 is connected between the card ball 16 and the first mounting seat 17.

[0026] When in use, pull the rotating plate 14 upward along the curved guide rail 12 to the end, then pull down the rotating plate 14 so that the locking ball 16 is stuck in the rotating plate 14, and then pull out the detection camera 15. After the preparation work is completed, unscrew the mounting screws 5, pull open the rotating plate 3, and clamp the crawling device to the inclined cable. Then the staff on the ground remotely controls the movement of the crawling device and starts the electric roller 11. The electric roller 11 rotates to drive the crawling device to crawl upward along the inclined cable. During the crawling process, the cable surface image is captured by the detection camera 15, and the image is synchronously detected in real time through wireless image transmission for the ground staff to view and realize detection. Example

[0027] Based on Example 1, please refer to Figure 5 A wind direction sensor 19 is fixedly connected to the upper right part of the first baffle 1, and three evenly distributed wind direction detection heads 20 are arranged on the top of the wind direction sensor 19. The wind direction detection heads 20 are used to detect wind direction and wind force, and transmit the collected data to the staff through the wind direction sensor 19, so that the staff can adjust the operating status of the device according to the wind direction and wind force to ensure the safe operation of the device. A first signal module 23 is arranged on the control center 6.

[0028] See also Figure 6 An electromagnetic flaw detector 24 is provided on the side where the third baffle 102 and the rotating plate 3 are close to each other. The electromagnetic flaw detector 24 can detect the internal steel wire of the cable while detecting the surface of the cable, so as to improve the efficiency and accuracy of cable detection. A second signal module 25 is provided on the side where the third baffle 102 and the rotating plate 3 are away from each other.

[0029] See also Figure 6 Two second guide rods 27 symmetrically distributed in the upper and lower directions are fixedly connected to the side where the third baffle plate 102 and the rotating plate 3 are close to each other. The two second guide rods 27 are slidably provided with a second mounting seat 26. A third elastic member 28 is sleeved on the second guide rod 27. The two ends of the third elastic member 28 are respectively connected to the second mounting seat 26 and the second guide rod 27. Six second rollers 29 distributed in the vertical direction are installed on the second mounting seat 26. When crawling, the second rollers 29 can roll on the surface of the cable to assist the device in crawling.

[0030] Although the present invention has been described with reference to exemplary embodiments, it should be understood that the present invention is not limited to the disclosed exemplary embodiments. The scope of the following claims should be accorded the broadest interpretation so as to encompass all modifications and equivalent structures and functions.

Claims

1. A bridge cable crawling device, comprising a first baffle (1), a second baffle (101) and a third baffle (102), wherein the first baffle (1) and the second baffle (101) are respectively fixed to two sides of the third baffle (102), a rotating plate (3) is arranged on the second baffle (101) via a hinge (2), the first baffle (1) is fixedly connected with symmetrically distributed mounting blocks (4), the rotating plate (3) is threadedly provided with screws, and the screws can be threadedly connected with the mounting blocks (4) to rotate the rotating plate (3). The rotating plate (3) is locked, the first baffle plate (1) and the second baffle plate (101) are both fixedly connected to a plurality of first guide rods (7), each group of first guide rods (7) is slidably provided with a guide block (8), a plurality of adjacent guide blocks (8) are commonly provided with an electric roller (11) through a rotating rod (9), a first elastic member (10) is sleeved on the first guide rod (7), a control center (6) is installed on the first baffle plate (1), and the operation of the device can be remotely controlled through the control center (6), characterized in that: The third baffle (102) is provided with a detection component for detecting the damage state of the cable surface.

2. A bridge cable crawling device as claimed in claim 1, characterized in that: The detection assembly comprises a plurality of arc-shaped guide rails (12), wherein the plurality of arc-shaped guide rails (12) are fixedly connected to the third baffle plate (102); a symmetrically distributed straight guide rail (13) is fixedly connected to the second baffle plate (101); one end of a rotating plate (14) is slidably arranged on the straight guide rail (13); the other end of the rotating plate (14) slides on the arc-shaped guide rail (12); a detection camera (15) is slidably arranged on the rotating plate (14); the detection camera (15) can collect images of damage to the cable surface; a symmetrically distributed first mounting seat (17) is fixedly connected to the third baffle plate (102); a locking ball (16) is slidably arranged on the first mounting seat (17); the locking ball (16) passes through the third baffle plate (102) and can be locked with the rotating plate (14) after movement; a second elastic member (18) is connected between the locking ball (16) and the first mounting seat (17).

3. A bridge cable crawling device as claimed in claim 1, characterized in that: A wind direction sensor (19) is fixedly connected to the first baffle (1), a plurality of wind direction detection heads (20) are arranged on the wind direction sensor (19), and the wind direction detection heads (20) are used to detect wind direction and wind force. A first signal module (23) is arranged on the control center (6).

4. A bridge cable crawling device as claimed in claim 1, characterized in that: An electromagnetic flaw detector (24) is provided on the side where the third baffle plate (102) and the rotating plate (3) are close to each other. The electromagnetic flaw detector (24) can be used to detect the condition of the steel wire inside the cable. A second signal module (25) is provided on the side where the third baffle plate (102) and the rotating plate (3) are far away from each other.

5. The bridge cable crawling device according to claim 1, characterized in that: A second guide rod (27) is fixedly connected to the side of the third baffle plate (102) and the rotating plate (3) that are close to each other. A second mounting seat (26) is slidably arranged on the second guide rod (27). A third elastic member (28) is sleeved on the second guide rod (27). A plurality of second rollers (29) are mounted on the second mounting seat (26). The second rollers (29) are arranged to assist the device in crawling.

6. A bridge cable crawling device as claimed in claim 1, characterized in that: A collision prevention block (30) is provided on a side of the guide block (8) close to the baffle.

7. A bridge cable crawling device as claimed in claim 1, characterized in that: The electric roller (11) is externally sleeved with a rubber sleeve (31).

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