An automatic walking trolley for bridge detection

Abstract

The utility model relates to bridge detection mobile walking technical field discloses a kind of automatic walking trolley for bridge detection, including base and support adjusting assembly, support adjusting assembly includes motor for driving walking wheel, support frame is fixedly connected on the top of base, rack is slidably connected on the inner wall of support frame, lifting motor is fixedly connected on the side surface of support frame, lifting motor output shaft is fixedly connected with gear and rack engagement, the top of rack is fixedly connected with support plate.The utility model improves the stability and smoothness of car body walking by walking wheel combination movement, rack lifting support plate can accurately adjust the height required for detection operation, can conveniently adapt to the line inspection needs and movement requirements under complex bridge, and when support plate is adjusted to the appropriate position, locking rod is used to lock the position of rack in the required position, avoid the detection vehicle position from deviating due to vibration or external interference, to improve the accuracy and stability of detection.

Description

Technical Field

[0001] This utility model belongs to the field of bridge inspection auxiliary mobile walking technology, and in particular relates to an automatic walking trolley for bridge inspection. Background Technology

[0002] Power supply equipment on bridges is typically installed beneath the bridge to provide shelter from rain and wind. During installation, the work equipment moves beneath the bridge using a mobile vehicle. Due to the complexity of the wiring beneath the bridge, frequent adjustments to the work position are often necessary. Existing work equipment has several drawbacks when adjusting its position: if the area covered by the work equipment is large, frequent movements are hindered by beams and columns at the bridge's connection points, requiring the operating platform to be lowered before movement. After the position adjustment is completed, the platform needs to be raised again, wasting time and slowing down the installation progress, thus affecting construction efficiency. If the area covered by the work equipment is small, the frequency of position adjustments is high, requiring the mobile vehicle to be moved, which is difficult and can lead to uneven road surfaces preventing proper positioning.

[0003] Due to the complex geographical environment under bridges and special situations such as narrow roads between bridge piers, inspection vehicles often cannot reach the areas where they are located. Relying on manual transport of auxiliary equipment is labor-intensive. Therefore, a bridge inspection walking mechanism suitable for use on narrow, uneven, gravel, or muddy roads is proposed to assist in bridge inspection and improve its applicability. Utility Model Content

[0004] The purpose of this utility model is to provide an automatic walking trolley for bridge inspection, which solves the technical problem of inconvenient movement and operation when inspecting lines under bridges, and improves the stability and safety of bridge inspection auxiliary devices in special scenarios.

[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0006] An automated guided vehicle for bridge inspection includes a base, with wheels at the bottom of the base and a support and adjustment assembly on the base.

[0007] The support adjustment assembly includes a drive motor, the output shaft of which is connected to the central shaft of the walking wheel. A support frame is fixedly connected to the top of the base. A rack is slidably connected to the inner wall of the support frame. A short rod is fixedly connected to the side of the support frame. A lifting motor is fixedly connected to one end of the short rod. A gear is fixedly connected to the output shaft of the lifting motor. The gear meshes with the rack. A support plate is fixedly connected to the top of the rack.

[0008] Furthermore, a groove is provided on the inner wall of the support frame, and a limiting rod is slidably connected to the inner wall of the groove. The end of the limiting rod away from the groove is fixedly connected to the side of the rack, thereby realizing the directional movement of the rack and supporting the weight of the object carried by the support plate. There are two support frames, racks, and gears, which are symmetrical to each other along the vertical central axis of the support plate, improving the reliability of the support plate.

[0009] Furthermore, the walking wheels are arranged in pairs, symmetrically arranged along the vertical central axis of the base. The drive motors are controlled in pairs to enable the automatic walking trolley to move forward or backward. By controlling the single-wheel drive, steering within a certain range can be achieved.

[0010] Furthermore, a round rod is fixedly connected to the side of the rack, and a round hole is provided at the end of the round rod away from the rack so that a locking rod can be inserted. A slot is provided on the side of the support frame, and the slot is located on the displacement trajectory of the round rod to ensure the safety of the support plate during heavy-load operation.

[0011] Furthermore, the base is provided with an anti-jamming component on its side. The anti-jamming component includes a bracket, the side of which is fixedly connected to the side of the base. A turntable is rotatably connected to the bracket. A connecting rod is fixedly connected to the circumference of the turntable. A striking rod is fixedly connected to one end of the connecting rod. A pressing rod is fixedly connected to the rod by a spring. An inclined rod is fixedly connected to the circumference of the turntable.

[0012] Furthermore, the inclined rod is located on the displacement trajectory of the extrusion rod, and the traveling wheel is located on the displacement trajectory of the striking rod to achieve accurate striking.

[0013] Furthermore, an L-shaped rod is fixedly connected to the top of the bracket, a spring is fixedly connected to the bottom of the L-shaped rod, and the end of the spring away from the L-shaped rod is fixedly connected to the top of the inclined rod.

[0014] This utility model has the following beneficial effects:

[0015] 1. This utility model achieves the goal of setting the walking wheels in pairs by cooperating with the internal components such as the walking wheels, drive motor, and support plate of the support adjustment assembly. This improves the stability and smoothness of the vehicle's movement and avoids the deviation or instability that may occur with single-wheel drive. The gear and rack design allows for precise adjustment of the height of the support plate, thereby adjusting the required detection height. When the appropriate position is reached, the locking rod is used to lock the rack in the required position, preventing the detection vehicle from shifting due to vibration or external interference, thus improving the accuracy and stability of the detection.

[0016] 2. This utility model, through the cooperation of the bracket, turntable, and striking rod components inside the anti-jamming assembly, enables the striking rod to gently tap the outer wall of the traveling wheel, effectively removing residual stones or debris from the inner wall of the traveling wheel. If stones or debris accumulate on the traveling wheel for a long time, it may affect the normal operation of the traveling wheel, causing unstable movement of the equipment, or even damaging the traveling wheel or track. Therefore, this design can prevent the accumulation of stones and ensure the smooth movement of the traveling wheel. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0018] Figure 2 This is a three-dimensional bottom view of the structure of the walking wheel of this utility model;

[0019] Figure 3 This is a three-dimensional cross-sectional view of the support frame of this utility model;

[0020] Figure 4 This utility model Figure 3 A three-dimensional magnified structural diagram of A in the middle;

[0021] Figure 5 This is a three-dimensional magnified structural diagram of the striking rod of this utility model.

[0022] In the attached diagram: 1. Base; 2. Wheels; 3. Support adjustment assembly; 31. Drive motor; 32. Support frame; 33. Short rod; 34. Lifting motor; 35. Gear; 36. Rack; 37. Support plate; 38. Slide groove; 39. Limiting rod; 310. Round rod; 311. Locking rod; 312. Slot; 4. Anti-jamming assembly; 41. Bracket; 42. Turntable; 43. Connecting rod; 44. Striking rod; 45. Diagonal rod; 46. L-shaped rod; 47. Spring; 48. Pressing rod. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figures 1-5This utility model is an automatic walking trolley for bridge inspection, including a base 1, with a walking wheel 2 at the bottom of the base 1, and a support adjustment assembly 3 on the base 1. The support adjustment assembly 3 includes a drive motor 31, the output shaft of which is located on the side of the walking wheel 2 and connected to the center of the walking wheel 2. A support frame 32 is fixedly connected to the top of the base 1, and a rack 36 is slidably connected to the inner wall of the support frame 32. A short rod 33 is fixedly connected to the side of the support frame 32, and a lifting motor 34 is fixedly connected to one end of the short rod 33. A gear 35 is fixedly connected to the output shaft of the lifting motor 34, and a support plate 37 is fixedly connected to the top of the rack 36.

[0025] Gear 35 and rack 36 mesh with each other. There are two support frames 32, rack 36 and gear 35, which are symmetrical about each other along the vertical central axis of support plate 37. Having two racks 36 and gears 35 is beneficial for more stable adjustment of support plate 37.

[0026] The walking wheels 2 are provided with at least 8, arranged in pairs and symmetrical to each other along the vertical central axis of the base 1. The inner wall of the support frame 32 is provided with a sliding groove 38, and a limit rod 39 is slidably connected to the inner wall of the sliding groove 38. The end of the limit rod 39 away from the sliding groove 38 is fixedly connected to the side of the rack 36. The design of the limit rod 39 and the sliding groove 38 is conducive to restricting the movement trajectory of the rack 36 and preventing the movement trajectory of the rack 36 from deviating.

[0027] A round rod 310 is fixedly connected to the side of the rack 36. A round hole is opened at the end of the round rod 310 away from the rack 36 so that a locking rod 311 can be inserted. A slot 312 is opened on the side of the support frame 32. The slot 312 is located on the displacement trajectory of the locking rod 311 and has several gaps. The design of the slot 312 and the locking rod 311 is conducive to locking the position of the rack 36 and preventing the rack 36 from falling off accidentally.

[0028] An anti-jamming component 4 is provided on the side of the base 1. The anti-jamming component 4 includes a bracket 41. The side of the bracket 41 is fixedly connected to the side of the base 1. A turntable 42 is rotatably connected to the inner wall of the bracket 41. A connecting rod 43 is fixedly connected to the circumference of the turntable 42. A striking rod 44 is fixedly connected to one end of the connecting rod 43. A pressing rod 48 is provided in the side groove of the rack 36. The pressing rod 48 is connected to the round rod 310 by a spring in the groove so as to compress the pressing rod 48 during the downward retraction of the support plate 37, but not to crush the pressing rod 48.

[0029] A diagonal rod 45 is fixedly connected to the circumference of the turntable 42. The outer wall of the walking wheel 2 is lightly tapped by the tapping rod 44 to remove stones and other debris left on the inner wall of the walking wheel 2 due to movement, so as to prevent it from affecting the movement of the walking wheel 2.

[0030] The diagonal bar 45 is located on the displacement trajectory of the pressing bar 48, and the traveling wheel 2 is located on the displacement trajectory of the striking bar 44. This design is beneficial for striking the traveling wheel 2 when the striking bar 44 moves.

[0031] An L-shaped rod 46 is fixedly connected to the top of the bracket 41, and a spring 47 is fixedly connected to the bottom of the L-shaped rod 46. The end of the spring 47 away from the L-shaped rod 46 is fixedly connected to the top of the inclined rod 45. The design of the spring 47 is conducive to automatic reset when the turntable 42 and the inclined rod 45 are not squeezed.

[0032] One specific application of this embodiment is as follows: the walking wheels 2 are arranged in pairs, connected by a chain belt. The drive motor 31 drives one of the walking wheels 2 to rotate, and the rotation of one walking wheel 2 will drive the second one to rotate, thus driving the movement. There are two wheels in each pair, and a total of four pairs are arranged, with a total of eight walking wheels 2. The walking wheels 2 can bear the weight of the vehicle body. The support plate 37 is used to place the detection trolley or detection device or other equipment. When it is necessary to adjust the detection height, the lifting motor 34 is started. The lifting motor 34 is a three-phase asynchronous motor, which can be started and stopped by external remote control. The system stops, and the lifting motor 34 is rotated in both directions via remote control. The rotation speed can be controlled remotely. When the lifting motor 34 rotates forward, it drives the gear 35 to rotate forward. The gear 35 and rack 36 mesh with each other. When the gear 35 rotates forward, it drives the rack 36 to move upward. The upward movement of the rack 36 drives the support plate 37 to move upward, which in turn moves the detection device upward, adjusting the position of the detection vehicle. Once the position is adjusted, the locking rod 311 is inserted through the hole in the round rod 310. The locking rod 311 prevents the rack 36 from moving and causing operational hazards. The design of the lifting motor 34 driving the gear 35 and rack 36 allows for precise adjustment of the height of the support plate 37, thereby adjusting the height of the detection device. This easily adapts to the height requirements of different bridges. When the appropriate position is reached, the locking rod 311 locks the rack 36 in the desired position, preventing the detection vehicle from shifting due to vibration or external interference, thus improving the accuracy and stability of the detection.

[0033] When the equipment is finished and is stationary, and the support plate 37 no longer needs to be adjusted upwards, the support plate 37 needs to be adjusted downwards to pause the operation of the equipment. Stop the upward adjustment of the support plate 37 and start the lifting motor 34. The lifting motor 34 is a three-phase asynchronous motor, which can be started and stopped remotely. The lifting motor 34 can be rotated in both directions by remote control. The forward and reverse speeds can be controlled by remote control. Reversing the lifting motor 34 drives the gear 35 to reverse, which in turn drives the rack 36 to move downwards. The rack 36 moves downwards, which in turn drives the round rod 310 to move downwards. The spring connected to the rack 310 drives the pressing rod 48 to move downwards. When the support plate 37 returns to its original position, that is, when the rack 36 is at the lowest point of the support frame 32, it is compressed by the spring, and the pressing rod 48 contacts the inclined rod 45. Since the inclined rod 45 is located on the movement trajectory of the pressing rod 48, when the pressing rod 48 moves downward, it will press the inclined rod 45 downward. The downward pressing of the inclined rod 45 will drive the turntable 42 to rotate downward. The downward rotation of the turntable 42 will drive the connecting rod 43 and the striking rod 44 to rotate downward. The walking wheel 2 is located on the movement trajectory of the striking rod 44. The striking rod 44 will lightly tap and clean the outer wall of the walking wheel 2, removing stones and other debris left on the inner wall of the walking wheel 2 due to movement, so as to prevent affecting the movement of the walking wheel 2.

[0034] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. An automated guided vehicle for bridge inspection, comprising a base (1), characterized in that: The base (1) is provided with a walking wheel (2) at the bottom, and a support adjustment component (3) is also provided on the base (1). The support adjustment assembly (3) includes a drive motor (31), the output shaft of which is connected to the central shaft of the walking wheel (2), a support frame (32) is fixedly connected to the top of the base (1), a rack (36) is slidably connected to the inner wall of the support frame (32), a short rod (33) is fixedly connected to the side of the support frame (32), a lifting motor (34) is fixedly connected to one end of the short rod (33), a gear (35) is fixedly connected to the output shaft of the lifting motor (34), the gear (35) meshes with the rack (36), and a support plate (37) is fixedly connected to the top of the rack (36).

2. The automated walking vehicle according to claim 1, characterized in that: The inner wall of the support frame (32) is provided with a sliding groove (38), and a limiting rod (39) is slidably connected to the inner wall of the sliding groove (38). The end of the limiting rod (39) away from the sliding groove (38) is fixedly connected to the side of the rack (36). There are two of the support frame (32), rack (36), and gear (35), and they are symmetrical to each other along the vertical central axis of the support plate (37).

3. The automated guided vehicle according to claim 1, characterized in that: The walking wheels (2) are arranged in several pairs, symmetrically arranged along the vertical central axis of the base (1).

4. The automated guided vehicle according to claim 1 or 2, characterized in that: A round rod (310) is fixedly connected to the side of the rack (36). A round hole is provided at the end of the round rod (310) away from the rack (36) for inserting a locking rod (311). A slot (312) is provided on the side of the support frame (32). The slot (312) is located on the displacement trajectory of the round rod (310).

5. The automated guided vehicle according to claim 1, characterized in that: The base (1) is provided with an anti-jamming component (4) on its side. The anti-jamming component (4) includes a bracket (41). The side of the bracket (41) is fixedly connected to the side of the base (1). A turntable (42) is rotatably connected to the bracket (41). A connecting rod (43) is fixedly connected to the circumferential surface of the turntable (42). A striking rod (44) is fixedly connected to one end of the connecting rod (43). A pressing rod (48) is fixedly connected to the round rod (310) by a spring. A diagonal rod (45) is fixedly connected to the circumferential surface of the turntable (42).

6. The automated guided vehicle according to claim 5, characterized in that: The inclined rod (45) is located on the displacement trajectory of the compression rod (48), and the walking wheel (2) is located on the displacement trajectory of the striking rod (44).

7. The automated guided vehicle according to claim 5, characterized in that: An L-shaped rod (46) is fixedly connected to the top of the bracket (41), and a spring (47) is fixedly connected to the bottom of the L-shaped rod (46). The end of the spring (47) away from the L-shaped rod (46) is fixedly connected to the top of the diagonal rod (45).

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