Floating wheel positioning mechanism of shuttle vehicle

Abstract

The utility model discloses a floating wheel positioning mechanism of a shuttle vehicle. The floating wheel positioning mechanism comprises a floating wheel assembly movably arranged above a track and a plurality of induction assemblies fixedly arranged on the track. The floating wheel assembly comprises a wheel body attached to the upper portion of the rail, a rotating shaft inserted and fixed to the axis of the wheel body, and a motor driving the rotating shaft to rotate. The downward pressing assembly is vertically arranged above the rotating shaft, and the downward pressing assembly vertically and continuously exerts elastic pressure on the rotating shaft below the downward pressing assembly; according to the utility model, a plurality of groups of sensing assemblies and control modules are adopted to work cooperatively, the floating wheel assembly is matched to automatically adjust the posture of the wheel body, and the specific position of the shuttle wheel body is monitored in real time, so that accurate positioning in each moving process is ensured; the problems of insufficient positioning precision and poor stability in a traditional scheme are solved through a refined adjustment mechanism.

Description

Technical Field

[0001] This utility model is a floating wheel positioning mechanism for a shuttle, belonging to the field of shuttle technology. Background Technology

[0002] A shuttle is a widely used device in automated warehousing and logistics transportation. Its basic function is to move goods or items along a track. Shuttles typically use electric drive systems to achieve automated horizontal or vertical transport, effectively improving warehouse operation efficiency, reducing labor costs, and are suitable for high-density storage and refined management applications.

[0003] A shuttle is a transport vehicle installed on a track that can automatically travel within a specific track, commonly used in automated warehousing systems. Driven by electricity and equipped with a sophisticated control system, it can transport goods within a warehouse according to a predetermined path, adapting to the storage and retrieval needs of different goods. Shuttles are widely used in warehousing logistics, smart manufacturing, and distribution centers. Their main purpose is to improve the automation level and efficiency of logistics systems, reduce human intervention, and enhance the accuracy and speed of material handling.

[0004] When existing shuttles run on tracks, they need to be positioned according to the location of the goods before they can be retrieved. However, during the shuttle's movement, due to various factors such as speed or weight distribution of the goods, the contact between the wheels and the track is unstable. The wheels may temporarily detach from the track and become suspended in the air. If this state happens to be within the positioning area of ​​the sensing component, it will cause the positioning in that area to fail or increase the positioning error. The shuttle will deviate from the predetermined track area or fail to stop accurately at the designated position, affecting subsequent retrieval operations. Utility Model Content

[0005] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a shuttle floating wheel positioning mechanism to solve the problems of the existing technology.

[0006] To achieve the above objectives, this utility model is implemented through the following technical solution:

[0007] A shuttle vehicle floating wheel positioning mechanism includes: a floating wheel assembly movably disposed above a track, and several sets of sensing components fixedly disposed on the track;

[0008] The floating wheel assembly includes a wheel body that fits against the top of the track, a rotating shaft that is inserted and fixed to the center of the wheel body, and a motor that drives the rotating shaft to rotate.

[0009] A pressing component is vertically positioned above the rotating shaft, and the pressing component continuously applies elastic pressure vertically downward onto the rotating shaft;

[0010] The control module is electrically connected to the motor and the sensing components;

[0011] The control module controls the motor to rotate in conjunction with the rotating shaft, driving the wheel to move on the track. The elastic pressure applied by the pressing component cooperates with the rotating shaft to control the wheel to always maintain a contact posture with the track.

[0012] The control module works in conjunction with the sensing component to locate the position of the wheel that abuts against the track.

[0013] As a further improvement, it also includes a frame and a positioning block fixedly mounted on the frame. The positioning block has a first through hole on its side, the rotating shaft passes through the first through hole, and the output end of the motor is connected to the wheel body through the rotating shaft.

[0014] As a further improvement, a second through hole connected to the first through hole is provided above the positioning block; the pressing component includes a spring that passes through the second through hole and abuts against the outer side of the rotating shaft, and a pressure adjusting component located directly above the spring. The distance between the pressure adjusting component and the rotating shaft is inversely proportional to the pressure of the spring on the rotating shaft.

[0015] As a further improvement, the rotating shaft includes a main shaft with its two ends fixedly connected to the motor and the wheel respectively, and a bearing rotatably sleeved on the main shaft, with the spring abutting against the outer ring of the bearing below.

[0016] As a further improvement, the pressure regulating assembly includes a limiting block located directly above the spring, an adjusting rod vertically mounted above the limiting block, and a locking block vertically disposed above the adjusting rod.

[0017] The limiting block has an annular groove below it that matches the spring. The side of the limiting block is fixedly connected to the frame. The outer ring surface above the adjusting rod has an external thread. The locking block has a nut above it that corresponds to the adjusting rod. The spring is inserted into the annular groove, and the upper part of the adjusting rod passes through the locking block. The nut engages with the external thread above the adjusting rod to control the locking block, which is in contact with the spring at one end, to rise / fall.

[0018] As a further improvement, the sensing component includes a first sensor disposed inside the track to monitor the vehicle frame, and a second sensor disposed inside the track to monitor the wheels, both of which are electrically connected to the control module.

[0019] As a further improvement, the wheel body includes a hub fixedly connected to the shaft, and a ring sleeve fitted on the outer ring surface of the hub, the outer ring surface of the ring sleeve abutting against the track;

[0020] A strip groove is provided on the track located below the ring, and the strip groove corresponds to the position of the second sensor.

[0021] As a further improvement, the ring sleeve is a sealed structure, and the inside of the ring sleeve is filled with magnetorheological fluid. The positioning block is provided with an outer side plate facing the wheel body. An electromagnetic ring is embedded and installed on the outer side of the outer side plate corresponding to the ring sleeve area. The electromagnetic ring is electrically connected to the control module.

[0022] Beneficial effects:

[0023] This invention employs multiple sets of sensing components and control modules working in concert, along with a floating wheel assembly to automatically adjust the wheel's posture. By monitoring the specific position of the shuttle wheel in real time, it ensures accurate positioning during each movement. Through a refined adjustment mechanism, it solves the problems of insufficient positioning accuracy and poor stability in traditional solutions.

[0024] Traditional designs often suffer from unstable wheel-rail contact, particularly at high speeds or under varying loads, leading to loosening or detachment. By applying continuous, stable pressure to the wheel using an elastic pressure-adjusting component, the wheel maintains a tight seal with the rail, ensuring stability even under high speeds or heavy loads. This design avoids the wheel detachment or jamming problems inherent in traditional technologies due to a lack of pressure regulation.

[0025] In existing technologies, traditional shuttle wheels typically rely on rigid fixing or simple elastic devices, which cannot adapt to changes in load and speed, leading to malfunctions or instability under certain conditions. By combining floating wheel assemblies with pressure-adjusting assemblies, the contact position between pressure and the wheel body can be adaptively adjusted based on real-time control signals, ensuring smooth operation of the shuttle under various operating conditions and significantly enhancing its adaptability. Attached Figure Description

[0026] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort.

[0027] Figure 1 This is a side view schematic diagram of a shuttle floating wheel positioning mechanism according to the present invention.

[0028] Figure 2 This is a three-dimensional structural diagram of a floating wheel assembly in its assembled state according to this utility model.

[0029] Figure 3 This is a three-dimensional structural diagram of a floating wheel assembly in an exploded state according to this utility model.

[0030] Figure 4 This is a schematic diagram of an adjusting rod upright structure according to the present invention.

[0031] Figure 5 This is a schematic diagram of the module connection of a shuttle floating wheel positioning mechanism according to this utility model.

[0032] 1. Track; 11. Strip groove; 2. Floating wheel assembly; 21. Wheel body; 22. Shaft; 23. Motor; 24. Pressing assembly; 25. Sensing assembly; 3. Control module; 4. Frame; 26. Positioning block; 261. First through hole; 262. Second through hole; 263. Spring; 264. Pressure adjustment assembly; 265. Outer side plate; 221. Main shaft; 222. Bearing; 2641. Limiting block; 2642. Adjusting rod; 2643. Annular groove; 2644. External thread; 2645. Locking block; 2646. Locking block; 251. First sensor; 252. Second sensor; 211. Hub; 212. Ring sleeve; 213. Magnetorheological fluid; 214. Electromagnetic ring. Detailed Implementation

[0033] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model. Therefore, the following detailed description of the embodiments of this utility model provided in the accompanying drawings is not intended to limit the scope of the claimed utility model, but merely represents selected embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0034] In the description of this utility model, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0035] Reference Figure 1-5 As shown, a shuttle floating wheel positioning mechanism includes: a floating wheel assembly 2 movably disposed above a track 1, and a plurality of sets of sensing components 25 fixedly disposed on the track 1;

[0036] The floating wheel assembly 2 includes a wheel body 21 that is attached to the upper part of the track 1, a rotating shaft 22 that is inserted and fixed to the axis of the wheel body 21, and a motor 23 that drives the rotating shaft 22 to rotate.

[0037] A pressing component 24 is vertically disposed above the rotating shaft 22, and the pressing component 24 continuously applies elastic pressure vertically downward to the rotating shaft 22;

[0038] Control module 3, which is electrically connected to motor 23 and sensing component 25;

[0039] The control module 3 controls the motor 23 to rotate in conjunction with the rotating shaft 22, driving the wheel 21 to move on the track 1. The elastic pressure applied by the pressing component 24 cooperates with the rotating shaft 22 to control the wheel 21 to always maintain the contact posture with the track 1.

[0040] The control module 3 works in conjunction with the sensing component 25 to locate the position of the wheel 21 that abuts against the track 1.

[0041] Because the contact between the shuttle wheel 21 and the track 1 in traditional technology lacks effective dynamic adjustment, positioning errors are prone to occur under different working conditions. By employing multiple sets of sensing components 25 and control module 3 working together, and cooperating with floating wheel component 2 to automatically adjust the attitude of the wheel 21, and by monitoring the specific position of the shuttle wheel 21 in real time, accurate positioning is ensured during each movement. This refined adjustment mechanism solves the problems of insufficient positioning accuracy and poor stability in traditional solutions.

[0042] In traditional designs, the contact between the wheel 21 and the track 1 is unstable, especially during high-speed operation or under varying loads, which can easily lead to loosening or separation between the wheel 21 and the track 1. By continuously applying stable pressure to the wheel 21 through the elastic pressing component 24, the wheel 21 maintains a tight contact with the track 1 at all times, ensuring stability even under high speeds or heavy loads. This design avoids the wheel 21 detachment or jamming problems caused by the lack of pressure regulation in traditional technologies.

[0043] In existing technologies, traditional shuttle wheel bodies 21 typically rely on rigid fixing or simple elastic devices, which cannot adapt to changes in different loads and speeds, leading to malfunctions or instability under specific conditions. By combining the floating wheel assembly 2 with the pressing assembly 24, the pressure and contact position between the wheel body 21 can be adaptively adjusted according to real-time control signals, thereby ensuring smooth operation of the shuttle under various operating conditions and greatly enhancing its adaptability.

[0044] Compared with existing technologies:

[0045] Traditional shuttle cars mostly rely on fixed transmission systems and wheels 21, and their contact with the track 1 is mostly mechanically fixed. This can easily lead to positioning errors or even derailment when running at high speeds.

[0046] Through the real-time feedback mechanism of the multi-sensor sensing component 25 and the control module 3, the precise position of the wheel 21 is acquired in real time during the operation of the shuttle, and the operation of the control motor 23 is adjusted accordingly to achieve precise positioning. This system can adaptively adjust under different working conditions, thereby solving the positioning accuracy problem in traditional technologies.

[0047] The existing shuttle wheel body 21 has a relatively simple structure and is fixedly connected. During operation, it is prone to unstable contact between the wheel body 21 and the track 1 due to external factors (such as vibration, load changes, etc.), or even separation from the track 1.

[0048] By designing the elastic pressure component 24, continuous and adjustable pressure is provided to ensure that the wheel 21 is always in stable contact with the track 1, overcoming the problem of the wheel 21 becoming loose or detached in the traditional solution, and significantly improving the operational stability of the shuttle.

[0049] Traditional shuttle positioning technology cannot effectively adapt to complex working conditions such as load changes and uneven tracks, which can easily lead to operational delays or reduced efficiency.

[0050] By using the floating wheel assembly 2 and adjustable pressure, the contact pressure and attitude between the wheel body 21 and the track 1 can be automatically adjusted according to changes in load and running speed, thereby ensuring stable operation under different loads and working environments, greatly improving adaptability and work efficiency.

[0051] As a further improvement, it also includes a frame 4 and a positioning block 26 fixedly mounted on the frame 4. The positioning block 26 has a first through hole 261 on its side. The rotating shaft 22 passes through the first through hole 261, and the output end of the motor 23 is connected to the wheel 21 through the rotating shaft 22.

[0052] To ensure that the rotating shaft 22 remains stable during operation and to prevent the rotating shaft 22 from shifting or shaking due to excessive load or external factors, a second through hole 262 connected to the first through hole 261 is provided above the positioning block 26.

[0053] The pressing component 24 includes a spring 263 that passes through the second through hole 262 and abuts against the outer side of the rotating shaft 22, and a pressure adjusting component 264 located directly above the spring 263. The distance between the pressure adjusting component 264 and the rotating shaft 22 is inversely proportional to the pressure of the spring 263 on the rotating shaft 22.

[0054] The design of the first through hole 261 and the second through hole 262 ensures the stable installation of the shaft 22 on the frame 4, so that the shaft 22 can be accurately connected to the output end of the motor 23 and the wheel 21 during operation, avoiding the displacement of the shaft 22 position and improving the overall operation accuracy and stability.

[0055] The fixed positioning block 26 effectively reduces the impact of external vibrations on the rotating shaft 22, preventing structural loosening or operational instability caused by vibration. Through the positioning block 26 and the through-hole design, the installation and disassembly of the rotating shaft 22 are simpler, and maintenance is more convenient, reducing complexity.

[0056] Furthermore, the combination of spring 263 and pressure regulating component 264 provides adjustable pressure for the pressing component 24, allowing the force applied to the rotating shaft 22 to be dynamically adjusted according to different operating conditions (such as load, operating speed, etc.). The distance between the pressure regulating component 264 and the rotating shaft 22 is inversely proportional to the pressure exerted by spring 263 on the rotating shaft 22, meaning that the pressure can be precisely adjusted as needed, further enhancing the system's adaptability.

[0057] By adjusting the elasticity of the spring 263 and the adjustment function of the pressure adjustment component 264, the downward pressure can be adjusted according to different load requirements or operating conditions. This ensures that the wheel body 21 and the track 1 always maintain a suitable contact pressure, avoiding the problem of unstable contact caused by insufficient or excessive pressure in traditional technology.

[0058] The adjustable pressure allows the device to automatically adjust under different operating conditions (such as different loads and speeds) to ensure that the vehicle body is always kept in the most suitable pressure state, thus improving the system's adaptability.

[0059] At the same time, the pressure regulation system can ensure that there is no excessive or insufficient pressure when the wheel 21 contacts the track 1, thereby effectively preventing jamming or wear of the wheel 21 due to excessive pressure, thus extending the service life of the equipment.

[0060] To maintain the smooth rotation of the rotating shaft 22, the rotating shaft 22 includes a main shaft 221 that is fixedly connected to the motor 23 and the wheel body 21 at both ends, and a bearing 222 that is rotatably sleeved on the main shaft 221, with the spring 263 abutting against the outer ring of the bearing 222 below.

[0061] As a further improvement, the pressure regulating assembly 264 includes a limiting block 2641 located directly above the spring 263, an adjusting rod 2642 vertically installed above the limiting block 2641, and a locking block 2645 vertically disposed above the adjusting rod 2642.

[0062] The limiting block 2641 has an annular groove 2643 below it that matches the spring 263. The side of the limiting block 2641 is fixedly connected to the frame 4. The outer ring surface of the adjusting rod 2642 has an external thread 2644. The locking block 2645 has a nut corresponding to the adjusting rod 2642 above it. The spring 263 is inserted into the annular groove 2643, and the upper part of the adjusting rod 2642 passes through the locking block 2645. The nut is threaded with the external thread 2644 above the adjusting rod 2642 to control the raising / lowering of the locking block 2645, which is in contact with the spring 263 at one end.

[0063] By installing a bearing 222 on the spindle 221, the friction between the rotating shaft 22 and the spindle 221 can be effectively reduced, ensuring smoother rotation of the rotating shaft 22. The bearing 222 reduces the friction caused by direct contact, thereby improving the durability and operating efficiency of the system.

[0064] As a key component, bearing 222 provides additional support, maintaining the stability of shaft 22 during rotation, reducing the risk of shaft 22 offset or deformation, and ensuring that wheel 21 maintains stable contact with track 1. The bearing 222 effectively distributes the load on shaft 22, improving the system's load-bearing capacity. Especially under high load or high speed operating conditions, bearing 222 effectively prevents excessive wear on shaft 22, extending the equipment's service life.

[0065] The external thread 2644 on the adjusting rod 2642, along with the locking block 2645 and nut, allows for more precise pressure adjustment. Users can control the raising and lowering of the locking block 2645 by rotating the adjusting rod 2642, thereby adjusting the pressure applied by the spring 263. This provides greater adjustability, ensuring the system can be precisely adjusted according to different operating conditions.

[0066] The spring 263, through its engagement with the annular groove 2643, ensures a stable fit between the spring 263 and the limiting block 2641, avoiding pressure unevenness caused by excessive compression or uneven distribution. It can adaptively adjust pressure under various loads and operating conditions, thereby maintaining good stability.

[0067] To collect and provide real-time status information of the frame 4 and wheel 21, the sensing component 25 includes a first sensor 251 disposed inside the track 1 to monitor the frame 4, and a second sensor 252 disposed inside the track 1 to monitor the wheel 21. Both the first sensor 251 and the second sensor 252 are electrically connected to the control module 3.

[0068] As a further improvement, the wheel body 21 includes a hub 211 fixedly connected to the shaft 22, and a ring sleeve 212 fitted on the outer ring surface of the hub 211, the outer ring surface of the ring sleeve 212 abutting against the track 1;

[0069] A strip groove 11 is provided on the track 1 located below the ring 212, and the strip groove 11 corresponds to the position of the second sensor 252.

[0070] Through the coordinated operation of the first sensor 251 and the second sensor 252, the system can monitor the status of the frame 4 and the wheels 21 in real time. For example, the sensors can detect tilting, offset, or damage to the frame 4, and the rotation, position, or friction of the wheels 21. The sensor data is transmitted to the control module 3 via electrical connection to help realize automatic adjustment and alarm functions.

[0071] Real-time monitoring can quickly detect abnormalities (such as deformation of the frame 4 or abnormal wear of the wheel 21) and take corresponding protective measures in a timely manner through the control module 3, such as deceleration, stopping, or adjusting pressure, to avoid further damage or safety accidents.

[0072] The wheel body 21 consists of a hub 211 and a ring sleeve 212. The outer ring surface of the ring sleeve 212 contacts the track 1. A strip groove 11 is formed on the track 1 below the ring sleeve 212, and the strip groove 11 corresponds to the position of the second sensor 252. The design of the strip groove 11 and its cooperation with the sensor can enhance the monitoring accuracy and position recognition.

[0073] The design of the groove 11 corresponds to the position of the second sensor 252, providing the sensor with a precise monitoring area. When the wheel 21 contacts the track 1, the groove 11 helps the sensor to more accurately obtain the real-time position, friction state, or other key data of the wheel 21, improving the monitoring accuracy.

[0074] The presence of the groove 11 helps reduce interference and errors that the sensor may encounter during monitoring. For example, the shape of the groove helps maintain consistency when the sensor contacts the surface of the wheel 21, reducing data errors caused by positional deviations or poor contact, thereby ensuring that the data collected by the sensor is more reliable.

[0075] To further improve adjustability and flexibility, the ring sleeve 212 is a sealed structure, and the inside of the ring sleeve 212 is filled with magnetorheological fluid 213. The positioning block 26 is provided with an outer side plate 265 facing the wheel body 21. An electromagnetic ring 214 is embedded and installed on the outer side of the outer side plate 265 corresponding to the area of ​​the ring sleeve 212. The electromagnetic ring 214 is electrically connected to the control module 3.

[0076] Magnetorheological fluid 213 is a smart material whose viscosity can be changed under the influence of an external magnetic field. Its application can enable systems to possess…

[0077] The viscosity of the magnetorheological fluid 213 can be adjusted in real time by an external magnetic field. The sealed ring structure 212 ensures that the liquid does not leak in the control system, providing a closed and adjustable environment. This means that the fluidity or resistance of the liquid can be dynamically adjusted according to actual needs, thereby improving the friction characteristics or motion resistance of the wheel 21 and enhancing the adaptability and flexibility of the equipment.

[0078] Magnetorheological fluid 213 can change its fluidity when controlled by a magnetic field, which helps to regulate the friction between contact surfaces and reduce wear caused by excessive friction, especially under high load or high speed conditions, thus extending the service life of the equipment.

[0079] Magnetorheological fluid 213 can effectively absorb and mitigate the impact and vibration during movement. By adjusting the viscosity of the liquid through a magnetic field, the system can better adapt to different working environments, reduce vibration and noise, and improve overall operational stability.

[0080] The positioning block 26 has an outer side plate 265 facing the wheel body 21. An electromagnetic ring 214 is embedded in the outer side plate 265 and is electrically connected to the control module 3. The electromagnetic ring 214 adjusts the magnetic field strength by current to control the properties of the magnetorheological fluid 213 and the resistance of the ring sleeve 212.

[0081] The electromagnetic ring 214 can precisely adjust the magnetic field strength applied to the magnetorheological fluid 213 by controlling the magnitude and direction of the current. This allows the system to flexibly adjust the viscosity of the magnetorheological fluid 213, thereby adjusting the resistance characteristics inside the ring 212 and further improving friction characteristics or motion control.

[0082] Electromagnetic ring 214 is electrically connected to control module 3, enabling the system to adjust the magnetic field strength in real time based on data feedback from sensors. This automated control can intelligently adjust according to different operating conditions (such as load, speed, vibration, etc.), optimize system performance, and ensure stable operation of equipment in various environments.

[0083] Compared to traditional mechanical adjustment systems, the electromagnetic ring 214 can quickly respond to and precisely adjust the properties of the magnetorheological fluid 213 through electronic control, enabling the system to rapidly adapt to environmental changes or adjustments in operating conditions. This high precision and rapid response characteristic greatly improves the system's flexibility and reliability.

[0084] By combining the magnetorheological fluid 213 with the electromagnetic ring 214, the system can achieve real-time and precise dynamic adjustment. The electromagnetic ring 214 can precisely adjust the flowability of the magnetorheological fluid 213 and control its viscosity, thereby achieving fine management of friction and resistance and ensuring that the system achieves optimal performance under various operating conditions.

[0085] It should be noted that the device structure and accompanying drawings of this utility model mainly describe the principle of this utility model. In terms of the technical aspects of this design principle, the setting of the power mechanism, power supply system and control system of the device is not fully described. However, under the premise that those skilled in the art understand the principle of the above utility model, the specific details of its power mechanism, power supply system and control system can be clearly understood. The control method in the application document is automatic control through a controller. The control circuit of the controller can be implemented by those skilled in the art through simple programming.

[0086] All standard parts used can be purchased from the market, and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the existing technology. The machinery, parts and equipment adopt conventional models in the existing technology, and the structure and principle of the components known to those skilled in the art can be known by those skilled in the art through technical manuals or conventional experimental methods.

[0087] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A shuttle vehicle caster wheel positioning mechanism, comprising: The utility model relates to a kind of floating wheel assembly (2) and a plurality of sets of induction components (25) fixedly arranged on the track (1) are included in the track (1) above the activity setting; The floating wheel assembly (2) includes the wheel body (21) that is attached above the track (1), the rotating shaft (22) that is fixedly inserted in the axle of the wheel body (21), the motor (23) that drives the rotating shaft (22) rotation; The lower pressing assembly (24) vertically arranged above the rotating shaft (22) continuously applies elastic pressure to the rotating shaft (22) vertically downward; The control module (3) is electrically connected with the motor (23) and the induction component (25); The motor (23) is controlled by the control module (3) to cooperate with the rotating shaft (22) rotation, drives the wheel body (21) to move on the track (1), and the elastic pressure applied by the lower pressing assembly (24) cooperates with the rotating shaft (22), controls the wheel body (21) to always keep the abutting posture with the track (1); The position of the wheel body (21) abutting with the track (1) is positioned by the control module (3) cooperating with the induction component (25). It also includes a vehicle frame (4) and a positioning block (26) fixedly installed on the vehicle frame (4), the first through hole (261) is arranged on the side surface of the positioning block (26), the rotating shaft (22) penetrates the first through hole (261), and the output end of the motor (23) is connected with the wheel body (21) through the rotating shaft (22).

2. The shuttle vehicle caster wheel positioning mechanism of claim 1, wherein: The second through hole (262) is arranged above the positioning block (26) and communicates with the first through hole (261); 3. The shuttle floating wheel positioning mechanism of claim 2, wherein: The lower pressing assembly (24) includes the spring (263) abutting on the outer side surface of the rotating shaft (22) penetrating the second through hole (262), the pressure adjusting assembly (264) located directly above the spring (263), and the distance between the pressure adjusting assembly (264) and the rotating shaft (22) is inversely proportional to the pressure of the spring (263) on the rotating shaft (22). The rotating shaft (22) includes the main shaft (221) fixedly connected with the motor (23) and the wheel body (21) at two ends respectively, and the bearing (222) rotatably sleeved on the main shaft (221), and the spring (263) abuts on the outer ring of the bearing (222) below.

4. The shuttle floating wheel positioning mechanism of claim 3, wherein: The pressure adjusting assembly (264) includes the limiting block (2641) located directly above the spring (263), the adjusting rod (2642) vertically installed above the limiting block (2641), and the lock block (2645) vertically arranged above the adjusting rod (2642).

5. The shuttle floating wheel positioning mechanism of claim 3, wherein: ​ The limiting block (2641) is provided below with an annular groove (2643) matched with the spring (263), the side edge of the limiting block (2641) is fixedly connected with the frame (4), the outer ring surface of the adjusting rod (2642) is provided with external threads (2644), the lock block (2645) is provided above with a nut (2646) corresponding to the adjusting rod (2642), the spring (263) is inserted into the annular groove (2643), the adjusting rod (2642) is penetrated through the lock block (2645) above, the nut (2646) is threadedly connected with the external threads (2644) on the adjusting rod (2642) above, and the lock block (2645) at one end abutting against the spring (263) is controlled to ascend / descend.

6. The shuttle floating wheel positioning mechanism of claim 2, wherein: The induction assembly (25) comprises a first sensor (251) arranged inside the track (1) to monitor the frame (4) and a second sensor (252) arranged inside the track (1) to monitor the wheel body (21), and the first sensor (251) and the second sensor (252) are electrically connected with the control module (3).

7. The shuttle floating wheel positioning mechanism of claim 6, wherein: The wheel body (21) comprises a hub (211) fixedly connected with the rotating shaft (22) and a ring sleeve (212) sleeved on the outer ring surface of the hub (211), and the outer ring surface of the ring sleeve (212) abuts against the track (1). A strip-shaped groove (11) is formed on the track (1) below the ring sleeve (212), and the strip-shaped groove (11) corresponds to the position of the second sensor (252).

8. The shuttle floating wheel positioning mechanism of claim 7, wherein: The ring sleeve (212) is a sealed structure, the ring sleeve (212) is filled with magnetorheological fluid (213) inside, the positioning block (26) is provided with an outer side plate (265) on the side facing the wheel body (21), an electromagnetic ring (214) is embedded and installed on the outer side of the outer side plate (265) corresponding to the area of the ring sleeve (212), and the electromagnetic ring (214) is electrically connected with the control module (3).

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