Crown block track single-rail clamping obstacle-crossing moving chassis

Abstract

The utility model relates to the technical field of crown block moving maintenance devices, and discloses a crown block track monorail clamping obstacle crossing moving chassis which comprises a chassis body, a clamping mechanism is arranged on the chassis body and comprises a clamping motor, a clamping gear and two sets of clamping racks, the clamping gear is meshed with the two sets of clamping racks at the same time, and the clamping motor is arranged on the chassis body. Clamping wheels are rotationally arranged on the two groups of clamping racks; a driving system is further arranged on the chassis and comprises a driving motor, the driving motor is connected with a driving gear, a driving connecting rod is rotationally arranged on the chassis, a transmission gear is fixedly arranged on the driving connecting rod, and the transmission gear is meshed with the driving gear; the chassis is further provided with a driving mechanism, the driving mechanism comprises a first gear and a driving wheel, the driving wheel is fixedly connected with a second gear, and the second gear is meshed with the first gear. According to the utility model, the problem that the inspection and maintenance work of the crown block track is influenced because the movable chassis is blocked by a pressing plate bolt or an irregular joint and cannot normally move on the track can be solved.

Description

Technical Field

[0001] This utility model relates to the technical field of crane mobile maintenance devices, specifically to a crane track monorail clamping obstacle-crossing mobile chassis. Background Technology

[0002] In modern factories, overhead cranes, as key production equipment, undertake important tasks such as material handling and equipment hoisting. Their stable operation is crucial for ensuring production efficiency and safety. To ensure the long-term reliable operation of overhead cranes, regular maintenance and inspection of the crane tracks are essential. These inspections include, but are not limited to, visual inspection of the track surface, torque checks of the track clamping bolts, and checks on the integrity of the track joint connections.

[0003] Currently, traditional overhead crane track maintenance and inspection methods mainly rely on manual climbing onto the overhead crane tracks, which has many drawbacks. First, the narrow working area and limited operating space cause great inconvenience to inspectors; second, the high-altitude, edge-prone working environment increases the difficulty of the operation and reduces inspection efficiency; more seriously, working at heights carries the risk of falls, posing a serious threat to the lives of inspectors.

[0004] To address these issues, China has begun to explore the use of automated equipment for the inspection and maintenance of overhead crane tracks. Currently, overhead crane track maintenance primarily relies on a mobile chassis carrying camera equipment that moves along the tracks. However, the presence of bolts connecting adjacent track sections or irregular joints between sections obstructs the movement of the mobile chassis, hindering its normal operation and impacting the inspection and maintenance of the overhead crane tracks. Utility Model Content

[0005] The present invention aims to provide a monorail clamping obstacle-crossing mobile chassis for overhead crane tracks, in order to solve the problem that the mobile chassis is unable to move normally on the track due to obstruction by the pressure plate bolts between adjacent track sections or irregular joints between adjacent track sections, thus affecting the inspection and maintenance of the overhead crane tracks.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a crane track monorail clamping obstacle-crossing mobile chassis, including a chassis, a clamping mechanism on the chassis, the clamping mechanism including a clamping motor, a clamping gear and two sets of clamping racks, the clamping motor is used to drive the clamping gear to rotate, the clamping gear meshes with the two sets of clamping racks at the same time, and clamping wheels are rotatably provided on both sets of clamping racks, the two clamping wheels are respectively located on both sides of the chassis moving track axis;

[0007] The chassis is also equipped with a drive system, which includes a drive motor connected to a drive gear. A drive linkage is rotatably mounted on the chassis, and a transmission gear is fixedly mounted on the drive linkage. The transmission gear meshes with the drive gear.

[0008] The chassis is also equipped with a drive mechanism, which includes a first gear fixedly mounted on the drive linkage and a drive wheel rotatably mounted on the chassis. The drive wheel is fixedly connected to a second gear, which meshes with the first gear.

[0009] The principle and advantages of this scheme are as follows: The drive motor drives the drive linkage to rotate through the drive gear and transmission gear. The drive linkage transmits torque to the drive wheel through the first and second gears, causing the drive wheel to rotate and drive the chassis to move automatically forward along the track. When the chassis encounters an obstacle, the clamping motor drives the clamping gear to rotate, causing the clamping gear to slide on the horizontal surface. The clamping rack drives the two clamping wheels away from the track, moving the clamping wheels to the outside of the obstacle. As the chassis continues to move forward, the clamping wheels go around the obstacle from the outside and move to its front. After the clamping wheels have passed the obstacle, the clamping motor controls the clamping gear and clamping rack to move in the opposite direction and reset, so that the clamping wheels are back in contact with the side surface of the track, ensuring the stability of the chassis during continuous forward movement.

[0010] The advantages of this solution are:

[0011] 1. The two clamping wheels are located on both sides of the chassis movement track axis. In this way, the two clamping wheels are symmetrically arranged on both sides of the track center plane and form a triangular stable structure with the drive wheel, making the chassis run more smoothly on the track.

[0012] 2. The clamping wheels can rotate freely on the side of the track. When the drive wheel moves, the two clamping wheels can move along the track while clamped. When the mobile chassis moves to the track joint plate position, the two clamping wheels can quickly open, cross the track joint plate and its matching track joint plate bolts or track joint plate nuts, and then re-clamp onto both sides of the track. This enables the chassis to overcome obstacles, effectively solving the problem that existing mobile chassis are hindered by the pressure plate bolts between adjacent track sections or irregular joints between adjacent track sections, making it impossible to move normally on the track and thus affecting the inspection and maintenance of the overhead crane track.

[0013] Preferably, as an improvement, both sets of clamping racks are fixedly connected to clamping arms, and clamping wheels are rotatably disposed at the ends of the clamping arms. The clamping wheels and clamping racks are connected through the clamping arms.

[0014] The above solution, through the design of the clamping arm, resolves the height difference between the clamping wheel and the clamping rack, making it easier to install the clamping wheel and to control the movement of the clamping wheel by the clamping rack.

[0015] Preferably, as an improvement, both the clamping motor and the drive motor are connected to a reducer.

[0016] Through the above scheme, the design of the reducer enables the clamping motor and the drive motor to drive the load with appropriate power output, allowing the chassis to run more stably on the track.

[0017] Preferably, as an improvement, at least two sets of clamping mechanisms and drive mechanisms are arranged along the moving direction of the chassis, and each set of clamping mechanisms and drive mechanisms works in tandem.

[0018] Through the above scheme, the drive motor synchronously distributes torque to multiple drive wheels via a reducer and drive linkage. Since the power source for multiple drive mechanisms is the same motor, the movement of the entire chassis can remain consistent. When the chassis encounters an obstacle, the first set of clamping mechanisms in the forward direction controls the opening of the corresponding clamping wheel, allowing the chassis body to pass through the obstacle. At this time, the clamping wheels of the other sets of clamping mechanisms remain closed. When the first set of clamping mechanisms moves away from the obstacle and the second set of clamping mechanisms approaches the obstacle, the second set of clamping mechanisms controls the opening of the corresponding clamping wheel, allowing the chassis body to pass through the obstacle. This cycle repeats, with each set of clamping mechanisms passing through obstacles in turn. This ensures that when one set of clamping wheels opens, the other sets of clamping wheels remain clamped, allowing the chassis to move stably on the track.

[0019] By controlling multiple clamping mechanisms on the chassis, obstacle-crossing actions can be completed automatically in sequence, ensuring both the chassis's excellent obstacle-crossing performance and the constant engagement of clamping wheels with the overhead crane track, effectively preventing derailment incidents.

[0020] Preferably, as an improvement, the clamping mechanism further includes an obstacle detection device located on the front side of the clamping wheel's movement direction.

[0021] The above solution utilizes an obstacle detection device to detect the presence of obstacles in advance, thereby allowing the clamping wheels to open or close according to the actual situation.

[0022] Preferably, as an improvement, the clamping mechanism is provided with a support platform, which is used to support the maintenance actuator.

[0023] The above solution enables the platform to support the actuators, facilitating their installation.

[0024] Preferably, as an improvement, the actuator is a toolbox or an industrial robot.

[0025] With the above solution, the chassis can be moved by carrying a toolbox or an industrial robot, which facilitates the maintenance of the track. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the clamping mechanism.

[0027] Figure 2 This is a top view of the clamping gear and the clamping rack.

[0028] Figure 3 This is a side view of the guide rail, showing the state of the three clamping mechanisms and drive mechanisms.

[0029] Figure 4 This is a schematic diagram of the structure where the drive wheel is mounted on the guide rail. Detailed Implementation

[0030] The following detailed description provides further details on specific embodiments, but the embodiments of this utility model are not limited thereto. Unless otherwise specified, the technical means used in the following embodiments are conventional means well known to those skilled in the art; the experimental methods used are all conventional methods; and the materials and reagents used are all commercially available.

[0031] The reference numerals in the accompanying drawings include: chassis 1, clamping motor 2, clamping gear 3, clamping rack 4, clamping wheel 5, clamping arm 6, drive motor 7, drive gear 8, drive linkage 9, transmission gear 10, drive wheel 11, reducer 12, obstacle detection device 13, bearing platform 14, track 15, connecting plate nut 16, connecting plate 17, connecting plate bolt 18, first gear 19, second gear 20.

[0032] Example 1

[0033] A monorail clamping obstacle-crossing mobile chassis for overhead cranes includes a chassis 1, on which a clamping mechanism is provided, such as... Figure 1 As shown, the clamping mechanism includes a clamping motor 2, a clamping gear 3, and two sets of clamping racks 4. The clamping motor 2 is connected to a reducer 12, and the output shaft of the reducer 12 is connected to the clamping gear 3. The clamping motor 2 is used to drive the clamping gear 3 to rotate, in conjunction with... Figure 2 As shown, the clamping gear 3 meshes with two sets of clamping racks 4 simultaneously. Each set of clamping racks 4 is rotatably equipped with a clamping wheel 5. Specifically, each set of clamping racks 4 is fixedly connected with a clamping arm 6. The clamping wheel 5 is rotatably located at the end of the clamping arm 6. The clamping wheel 5 and the clamping rack 4 are connected through the clamping arm 6. The two clamping wheels 5 are located on both sides of the moving trajectory axis of the chassis 1.

[0034] The chassis 1 is also equipped with a drive system, such as Figure 3 and Figure 4As shown, the drive system includes a drive motor 7, which is also connected to a reducer 12. The output shaft of the reducer 12 is connected to a drive gear 8. A drive linkage 9 is rotatably mounted on the chassis 1, and a transmission gear 10 is fixedly mounted on the drive linkage 9. The transmission gear 10 meshes with the drive gear 8.

[0035] The chassis 1 is also provided with a drive mechanism, which includes a first gear 19 fixedly mounted on the drive linkage 9 and a drive wheel 11 rotatably mounted on the chassis 1. The drive wheel 11 is fixedly connected to a second gear 20, which meshes with the first gear 19. In this embodiment, both the first gear 19 and the second gear 20 are bevel gears.

[0036] In this embodiment, the chassis 1 is powered by the drive motor 7, and the reducer 12 amplifies the torque and transmits it to the drive gear 8. The drive gear 8 drives the meshing transmission gear 10 to rotate, causing the drive linkage 9 to rotate. The drive linkage 9 controls the drive wheel 11 to rotate through the first gear 19 and the second gear 20, causing the drive wheel 11 to drive the chassis 1 to move automatically forward along the track 15. When the chassis 1 encounters an obstacle, the clamping motor 2 and the reducer 12 work and drive the clamping gear 3 to rotate. The clamping gear 3 drives the clamping rack 4 to slide on the horizontal plane, causing the two clamping wheels 5 to move radially along the track 15, so as to move the clamping wheels 5 to the outside of the obstacle. As the chassis 1 continues to move forward, the clamping wheels 5 go around the obstacle from the outside and move to its front, completing the obstacle crossing action. After the clamping wheel 5 passes the obstacle, the clamping motor 2 controls the clamping gear 3 and clamping rack 4 to move in the opposite direction and reset, so that the clamping wheel 5 is back in contact with the side surface of the track 15 to ensure the stability of the chassis 1 during continuous forward movement. Then the chassis 1 continues to move forward under the action of the drive wheel 11.

[0037] Example 2

[0038] This embodiment is based on embodiment 1, such as... Figure 1 As shown, at least two sets of clamping mechanisms and drive mechanisms are arranged along the moving direction of chassis 1, with each set of clamping and drive mechanisms working in tandem. In this embodiment, both clamping and drive mechanisms are provided with three sets working in tandem.

[0039] In this embodiment, the drive motor 7 distributes torque synchronously to multiple drive wheels 11 via the reducer 12 and drive linkage 9. This allows multiple drive mechanisms to be driven simultaneously by the same drive motor 7, ensuring consistent movement of the entire chassis 1. When the chassis 1 encounters an obstacle, the first set of clamping mechanisms in the forward direction controls the corresponding clamping wheels 5 to open, allowing the chassis 1 to pass through the obstacle. Meanwhile, the clamping wheels 5 of the other sets of clamping mechanisms remain closed to maintain good contact between the chassis 1 and the track 15, ensuring the stability of the chassis 1.

[0040] When the first set of clamping mechanisms moves away from the obstacle and the second set of clamping mechanisms arrives at the obstacle, the second set of clamping mechanisms controls the corresponding clamping wheel 5 to open so that the chassis 1 body can pass through the obstacle. This cycle repeats, with each set of clamping mechanisms opening and closing in sequence to pass through the obstacle. This ensures that when one set of clamping wheels 5 opens, the other sets of clamping wheels 5 remain clamped, allowing the chassis 1 to move stably on the track 15.

[0041] Example 3

[0042] This embodiment is based on the foregoing embodiments, such as... Figure 1 As shown, the clamping mechanism also includes an obstacle detection device 13. In this embodiment, the obstacle detection device 13 uses an industrial camera, and its specific structure and principle are mature existing technologies, which will not be described in detail here. The obstacle detection device 13 can monitor the status of the track 15. The obstacle detection device 13 is located in front of the clamping wheel 5 in the direction of movement to detect obstacles in advance. The clamping mechanism is also provided with a support platform 14, which is used to support the maintenance actuator, which is a toolbox or an industrial robot.

[0043] In this embodiment, during the forward movement of the chassis 1, the obstacle detection device 13 can detect the presence of obstacles in advance, thereby activating the clamping motor 2 and driving the clamping wheels 5 to open or close according to the actual situation. The chassis 1 can detect potential seams or obstacles on the track 15, and automatically complete the obstacle-crossing action by controlling the clamping mechanism on the chassis 1. This ensures both the excellent obstacle-crossing performance of the chassis 1 and the constant engagement of the clamping wheels 5 with the overhead crane track 15, effectively preventing derailment. The support platform 14 can be used to support the actuator, facilitating its installation. The chassis 1 can be moved with a toolbox or industrial robot, facilitating maintenance of the track 15.

[0044] The above descriptions are merely embodiments of this utility model. Commonly known technical solutions and / or characteristics are not described in detail here. It should be noted that those skilled in the art can make various modifications and improvements without departing from the technical solution of this utility model. These modifications and improvements should also be considered within the scope of protection of this utility model, and will not affect the effectiveness of the implementation of this utility model or the practicality of the patent. The scope of protection claimed in this application should be determined by the content of its claims, and the specific embodiments described in the specification can be used to interpret the content of the claims.

Claims

1. A single-track gripped obstacle-surmounting mobile chassis for a crown block, characterized by: The chassis is provided with a clamping mechanism, the clamping mechanism comprises a clamping motor, a clamping gear and two sets of clamping racks, the clamping motor is used for driving the clamping gear to rotate, the clamping gear is engaged with the two sets of clamping racks at the same time, and the two sets of clamping racks are both provided with clamping wheels rotating thereon, and the two clamping wheels are located on the two sides of the moving track axis of the chassis respectively; The chassis is further provided with a driving system, the driving system comprises a driving motor, the driving motor is connected with a driving gear, the chassis is provided with a driving connecting rod rotating thereon, the driving connecting rod is fixedly provided with a transmission gear, and the transmission gear is engaged with the driving gear; The chassis is further provided with a driving mechanism, the driving mechanism comprises a first gear fixedly arranged on the driving connecting rod and a driving wheel rotatingly arranged on the chassis, the driving wheel is fixedly connected with a second gear, and the second gear is engaged with the first gear.

2. The overhead rail monorail gripped obstacle-surmounting mobile chassis according to claim 1, characterized in that: The two sets of clamping racks are both fixedly connected with clamping arms, the clamping wheels are rotatably arranged at the tail ends of the clamping arms, and the clamping wheels are connected with the clamping racks through the clamping arms.

3. The overhead rail monorail gripped obstacle-surmounting mobile chassis according to claim 2, characterized in that: The clamping motor and the driving motor are both connected with reducers.

4. The overhead rail monorail gripped obstacle-surmounting mobile chassis according to claim 3, characterized in that: The clamping mechanism and the driving mechanism are arranged in at least two groups along the moving direction of the chassis, and each group of the clamping mechanism and the driving mechanism works in matching mode.

5. The overhead rail monorail gripped obstacle-surmounting mobile chassis of claim 4, wherein: The clamping mechanism further comprises an obstacle detection device, and the obstacle detection device is located on the front side of the moving direction of the clamping wheel.

6. The overhead rail monorail gripped obstacle-surmounting mobile chassis of claim 5, wherein: The clamping mechanism is provided with a bearing platform, and the bearing platform is used for bearing a maintenance execution mechanism.

7. The overhead rail monorail gripped obstacle-surmounting mobile chassis of claim 6, wherein: The execution mechanism is a tool box or an industrial manipulator.

Images