Large heavy object transport platform for tight spaces

Abstract

The utility model is suitable for carrying vehicle field, disclose a kind of narrow space large heavy goods transport platform, comprising: frame, be arranged in the end of the frame towards moving direction and be used to control the steering control unit of the moving direction of the frame, first lifting wheel group is arranged in the middle part of the frame, second lifting wheel group is arranged on the frame and towards the end of the steering control unit away, auxiliary support wheel group is rotatably connected with the last end of the frame towards the direction of the steering control unit away, and overturning insertion frame is rotatably connected with the frame and is used to carry goods, hydraulic system is arranged on the frame and is used to control the first lifting wheel group and the second lifting wheel group lift, the steering control unit is electrically connected with the hydraulic system, power unit is arranged on the frame and is electrically connected with the steering control unit and hydraulic system.

Description

Technical Field

[0001] This utility model relates to the field of handling vehicles, and in particular to a large heavy object transportation platform in a confined space. Background Technology

[0002] At nuclear power plant sites, the extremely confined spaces present significant challenges for equipment handling. The movement of large equipment racks, in particular, currently relies primarily on manual labor, a method that is not only inefficient but also carries high safety risks. Therefore, developing a specialized tool for handling large, heavy objects has become an urgent need.

[0003] Currently, the main challenges in moving large, heavy objects across obstacles within the confined space of a nuclear power plant are as follows: Complex operating procedures: Due to limited space, moving large, heavy objects across obstacles requires the cooperation of multiple people, making the process complex and prone to errors; Low efficiency: Manual handling is slow when crossing obstacles, severely impacting work efficiency; High safety risks: Manual handling across obstacles may result in personnel injury and equipment damage; High labor and time costs: A significant amount of manpower and time is required for the moving operation. Utility Model Content

[0004] The technical problem to be solved by this utility model is to provide a large heavy object transportation platform in a confined space.

[0005] The technical solution adopted by this utility model to solve its technical problem is as follows: Constructing a large heavy-duty transport platform in a confined space, comprising: a frame; a steering control unit disposed at one end of the frame in the direction of movement and used to control the direction of movement of the frame; a first lifting wheel assembly disposed in the middle of the frame; a second lifting wheel assembly disposed on the frame in the direction away from the steering control unit; an auxiliary support wheel assembly rotatably connected to the farthest end of the frame in the direction away from the steering control unit; a tilting bracket rotatably connected to the frame and used to carry goods; a hydraulic system disposed on the frame and used to control the lifting of the first and second lifting wheel assemblies; the steering control unit being electrically connected to the hydraulic system; and a power supply unit disposed on the frame and electrically connected to the steering control unit and the hydraulic system.

[0006] Furthermore, the steering control unit includes a universal lifting wheel assembly disposed below the steering control unit, a drive assembly for driving the universal lifting wheel assembly to rotate, and a steering strut movably connected to the universal lifting wheel assembly.

[0007] Furthermore, the omnidirectional lifting wheel assembly includes an omnidirectional wheel hinged to the steering branch and driven by the drive assembly, and a third hydraulic lifting assembly disposed above the omnidirectional wheel and controlled by the hydraulic system.

[0008] Furthermore, the rotating support rod is provided with a handle for control, a control module for controlling the drive unit and the hydraulic system, and a handbrake for braking the platform, which is also provided on the handle.

[0009] Furthermore, the control module includes a control system disposed on the handle and electrically connected to the drive unit and the hydraulic system, and a plurality of buttons disposed on the handle and issuing commands to the control system.

[0010] Furthermore, the vehicle frame is provided with a front telescopic mechanism, which includes several sliding channels parallel to the movement direction of the vehicle frame, several sliding rods disposed on the steering control unit and moving within the sliding channels, and a telescopic power assembly disposed on the vehicle frame and used to drive the sliding rods to move.

[0011] Furthermore, the first lifting wheel assembly and the second lifting wheel assembly include mounting plates disposed on both sides of the frame, a first hydraulic lifting assembly mounted on the mounting plates and controlled by the hydraulic system, and a first pulley connected to the first hydraulic lifting assembly and vertically lifting.

[0012] Furthermore, the auxiliary support wheel assembly includes a wheel frame rotatably connected to the far end of the frame, and a second pulley disposed at the end of the wheel frame away from the frame.

[0013] Furthermore, the wheel frame is provided with a locking pin and a positioning hole, and the frame is provided with a first angle hole and a second angle hole. When the positioning hole and the first angle hole coincide, the wheel frame is housed in the frame. When the positioning hole and the second angle hole coincide, the wheel frame abuts against the ground and supports the frame.

[0014] Furthermore, the flip-up bracket is hinged to the vehicle frame, and one end of the flip-up bracket is connected to the hydraulic system.

[0015] The present invention provides a large heavy-duty transport platform for confined spaces, which has the following advantages: Goods are placed on a tilting rack. When the transport platform moves to a step or ground obstacle, the trolley raises its movement control unit to overcome the obstacle, driving the platform to continue moving until the first lifting wheel set reaches the obstacle. The movement control unit then lowers, raising the first lifting wheel set and overcoming the obstacle. The platform continues moving until the second lifting wheel set reaches the obstacle. The first lifting wheel set lowers to the ground, lowering the auxiliary support wheel set to contact the ground. The second lifting wheel set is then raised and overcoming the obstacle. The platform moves to the front of the auxiliary support wheel set, the second lifting wheel set lowers to the ground, and the auxiliary support wheel set retracts into the frame. The platform continues to move forward, completing the entire obstacle-crossing process. The entire operation is simple, requiring no lifting of the platform or goods. The platform crosses obstacles smoothly and quickly without impacting or vibrating the goods. Furthermore, the trolley's compact structure allows for transport in various confined spaces. Attached Figure Description

[0016] To more clearly illustrate the technical solution of this utility model, the present utility model will be further described below in conjunction with the accompanying drawings and embodiments. It should be understood that the following drawings only show some embodiments of this utility model and should not be considered as a limitation of the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort. In the drawings: Figure 1 This is an overall view of a large heavy-load transport platform in a confined space according to one embodiment of the present invention; Figure 2 This is a bottom-view perspective view of a large heavy-load transport platform in a confined space, according to one embodiment of this utility model. Figure 3 This is an overall structural diagram of a large heavy-load transport platform in a confined space, as shown in one embodiment of the present invention, after being unfolded. Figure 4 This is a bottom-view perspective view of an unfolded large heavy-load transport platform in a confined space, according to one embodiment of this utility model. Figure 5 This is a diagram showing the unfolded structure of an auxiliary support wheel assembly for a large heavy-load transport platform in a confined space, according to one embodiment of this utility model. Figure 6 This is a top view of a large heavy-load transport platform in a confined space according to one embodiment of the present invention; Figure 7 This is a top view of a large heavy object transport platform in a confined space, without the flip-over bracket, according to one embodiment of this utility model. Figure Labels 100. Chassis; 110. Power unit; 200. Steering control unit; 210. Casters; 220. Steering strut; 230. Handle; 300. First lifting wheel assembly; 310. First pulley; 320. First hydraulic lifting assembly; 330. Mounting plate; 400. Second lifting wheel assembly; 500. Hydraulic system; 510. Hydraulic cylinder; 520. Hydraulic pipeline; 600. Auxiliary support wheel assembly; 610. Wheel frame; 620. Second pulley; 700. Tilting bracket; 710. Base plate; 720. Support bracket; 730. Hinge seat. Detailed Implementation

[0017] To provide a clearer understanding of the technical features, objectives, and effects of this utility model, the specific embodiments of this utility model are now described in detail with reference to the accompanying drawings. In the following description, it should be understood that the orientations or positional relationships indicated by terms such as "upper," "inner," and "outer" are based on the orientations or positional relationships shown in the accompanying drawings, and are constructed and operated in a specific orientation. They are only for the convenience of describing this technical solution and do not indicate that the device or component referred to must have a specific orientation; therefore, they should not be construed as limitations on this utility model.

[0018] It should also be noted that, unless otherwise explicitly specified and limited, terms such as "installation," "connection," "fixing," and "setting" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. When an component is referred to as being "on" or "below" another component, the component can be located "directly" or "indirectly" on the other component, or there may be one or more intermediary components. The terms "first," "second," "third," etc., are only for the convenience of describing this technical solution and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, features defined with "first," "second," "third," etc., may explicitly or implicitly include one or more of that feature. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0019] Figures 1 to 7This invention illustrates a large heavy-duty transport platform for confined spaces, which can be used to smoothly transport heavy objects across various platforms within confined spaces. It may include a frame 100, a steering control unit 200 disposed at one end of the frame 100 facing the direction of movement and used to control the direction of movement of the frame 100, a first lifting wheel assembly 300 disposed in the middle of the frame 100, and a second lifting wheel assembly 400 disposed on the frame 100 at the end away from the steering control unit 200. The vehicle frame 100 is rotatably connected to the far end of the frame away from the steering control unit 200, and includes an auxiliary support wheel assembly 600, a tilting bracket 700 rotatably connected to the frame 100 and used to carry cargo, a hydraulic system 500 mounted on the frame 100 and used to control the lifting of the first lifting wheel assembly 300 and the second lifting wheel assembly 400, the steering control unit 200 being electrically connected to the hydraulic system, and a power supply unit 110 mounted on the frame 100 and electrically connected to the steering control unit 200 and the hydraulic system 500.

[0020] The goods are placed on the tilting rack 700. When the transport platform moves to a step or ground obstacle, the trolley raises the movement control unit to cross the obstacle, driving the platform to continue moving until the first lifting wheel set 300 reaches the obstacle. The movement control unit then lowers, raises the first lifting wheel set 300 and crosses the obstacle, driving the platform to continue moving until the second lifting wheel set 400 reaches the obstacle. The first lifting wheel set 300 lowers to the ground, lowers the auxiliary support wheel set 600 to touch the ground, raises the second lifting wheel set 400 and crosses the obstacle. The platform moves to the front of the auxiliary support wheel set 600, the second lifting wheel set 400 lowers to the ground, the auxiliary support wheel set 600 retracts into the frame 100, and the platform continues to move forward, completing the entire obstacle crossing process. The entire process is simple to operate, and crossing does not require lifting the platform or goods. The platform crosses obstacles smoothly and quickly without impacting or vibrating the goods. Moreover, the trolley's compact structure allows for handling in various confined spaces.

[0021] Understandably, the hydraulic system 500 includes a hydraulic pump, hydraulic lines, control valves, and a hydraulic cylinder 510. The hydraulic pump provides hydraulic power to the hydraulic lines, the control valve controls the flow of liquid in the hydraulic lines, and the hydraulic cylinder 510, under the control of the hydraulic valve, performs extension and retraction movements to control the lifting of the first lifting wheel assembly 300 and the second lifting wheel assembly 400, and to control the tilting action of the tilting bracket 700.

[0022] In one specific embodiment, one end of the hydraulic cylinder 510 is hinged to the frame 100, and the other end of the hydraulic cylinder 510 is hinged to the tilting bracket 700.

[0023] In one specific embodiment, the temperature of the liquid in the hydraulic pipeline needs to be detected. A first temperature sensor is installed in the hydraulic pipeline because the temperature of the liquid affects its volume. When the temperature is high, it will expand slightly, causing the pressure in the hydraulic system 500 to increase. Therefore, it is necessary to detect the temperature. When the temperature is too high, the hydraulic pump needs to be stopped, and the hydraulic system 500 needs to be shut down.

[0024] In one specific embodiment, the power supply unit 110 includes a transformer power supply module and a battery module. The battery module is equipped with a second temperature sensor and an alarm device. When the battery module temperature is too high, the second temperature sensor detects that the temperature is too high and the alarm device automatically sounds an alarm.

[0025] Furthermore, the battery is also equipped with a protective casing made of high-temperature and impact-resistant materials.

[0026] Understandably, the direction of movement of the frame 100 is forward, that is, the direction in which the steering control unit 200 is located is forward, and the opposite direction is rearward.

[0027] Figure 2 , Figure 3 and Figure 4 The steering control unit 200, in one embodiment, may include a universal lifting wheel assembly disposed below the steering control unit 200, a drive assembly for driving the universal lifting wheel assembly to rotate, and a steering strut 220 movably connected to the universal lifting wheel assembly. The steering strut 220 can control the forward direction of the universal lifting wheel assembly, and the drive unit can drive the universal lifting wheel assembly to rotate, thereby causing the platform to move forward.

[0028] In one specific embodiment, the driving component is a brushless motor.

[0029] Figure 2 , Figure 3 and Figure 4 The diagram shows that in one embodiment, the omnidirectional lifting wheel assembly may include an omnidirectional wheel 210 hinged to the steering branch and driven by the drive assembly, and a third hydraulic lifting assembly disposed above the omnidirectional wheel 210 and controlled by the hydraulic system 500. The omnidirectional wheel 210 is raised and lowered by the third hydraulic lifting assembly. When crossing an obstacle, the omnidirectional wheel 210 is raised above the obstacle by the third hydraulic lifting assembly. After the omnidirectional wheel 210 has moved and crossed the obstacle, the omnidirectional wheel 210 is lowered by the third hydraulic lifting assembly until it touches the ground.

[0030] Figure 2 , Figure 3 and Figure 4The rotating support rod, as shown in one embodiment, may include a handle 230 on the rotating support rod for control, a control module disposed on the handle 230 for controlling the drive unit and the hydraulic system 500, and a handbrake disposed on the handle 230 for braking the platform. The rotating support rod can be rotated by the handle 230, and the handbrake can brake the universal wheel 210 by stopping its rotation, thereby stopping the drive assembly.

[0031] Figure 1 , Figure 3 and Figure 6 The control module, as shown in one embodiment, may include a control system disposed on the handle 230 and electrically connected to the drive unit and the hydraulic system 500, and a plurality of buttons disposed on the handle 230 and issuing commands to the control system. The user can control the platform's hydraulic system 500, drive components, and power supply unit 110 by means of the buttons, thereby controlling the movement of the platform.

[0032] Figure 3 , Figure 4 and Figure 7 In one embodiment, the frame 100 may include a front telescopic mechanism. The front telescopic mechanism includes several sliding channels parallel to the direction of movement of the frame 100, several sliding rods disposed on the steering control unit 200 and moving within the sliding channels, and a telescopic power assembly disposed on the frame 100 and used to drive the sliding rods to move. The front telescopic mechanism can be pulled out from the sliding channels by the sliding rods, increasing the distance between the front telescopic assembly and the frame 100. This allows for a longer placement distance for goods when the flip rack 700 is placed horizontally, thereby increasing the size of goods that the flip rack 700 can carry.

[0033] Figure 3 and Figure 4 The first lifting wheel assembly 300 and the second lifting wheel assembly 400 are shown in one embodiment. They may include mounting plates 330 disposed on both sides of the frame 100, a first hydraulic lifting assembly 320 mounted on the mounting plates 330 and controlled by the hydraulic system 500, and a first pulley 310 connected to the first hydraulic lifting assembly 320 and vertically lifting. The first hydraulic lifting assembly 320 controls the lifting of the first lifting wheel assembly 300 and the second lifting wheel assembly 400 respectively.

[0034] Figure 4 and Figure 5In one embodiment, the auxiliary support wheel assembly 600 may include a wheel frame 610 rotatably connected to the far end of the frame 100, and a second pulley 620 disposed at the end of the wheel frame 610 away from the frame 100. The wheel frame 610 may be housed within the frame 100, and the second pulley 620 may serve as a support point for the frame 100 after the second lifting wheel assembly 400 is raised.

[0035] Figure 5 The wheel frame 610, as shown in one embodiment, may include a locking pin and a positioning hole. The frame 100 has a first angle hole and a second angle hole. When the positioning hole and the first angle hole coincide, the wheel frame 610 is housed within the frame 100. When the positioning hole and the second angle hole coincide, the wheel frame 610 abuts against the ground and supports the frame 100. When the positioning hole and the first angle hole or the positioning hole and the second angle hole coincide, the wheel frame 610 is further positioned.

[0036] Figure 2 , Figure 4 and Figure 5 The flip-up bracket 700 is shown in one embodiment and may be hinged to the frame 100. One end of the flip-up bracket 700 is connected to the hydraulic system 500, and the hydraulic system 500 controls one end of the flip-up bracket 700 to rotate, so that the flip-up bracket 700 can rotate to facilitate loading.

[0037] In one specific embodiment, the flip-up bracket 700 includes a base plate 710 hinged to the frame 100 and two support brackets 720 disposed on the base plate 710 near the rear of the frame 100 and perpendicular to the base plate 710.

[0038] In one specific embodiment, the flip-up bracket 700 is provided with a hinge seat 730. The hinge seat 730 is located at the rear of the frame 100. Therefore, the center of gravity of the flip-up bracket 700 is placed at the rear of the frame 100. Thus, a second lifting wheel set 400 and an auxiliary support wheel set 600 are needed for support, which are alternately supported. Otherwise, the vehicle is prone to tipping backward if not supported by the frame 100.

[0039] It is understood that the above embodiments only illustrate preferred embodiments of the present utility model, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of the present utility model patent. It should be noted that for those skilled in the art, the above technical features can be freely combined, and several modifications and improvements can be made without departing from the concept of the present utility model, all of which fall within the protection scope of the present utility model. Therefore, all equivalent transformations and modifications made within the scope of the claims of the present utility model should fall within the coverage of the claims of the present utility model.

Claims

1. A large heavy-load transport platform in a confined space, characterized in that, include: The vehicle frame (100) includes a steering control unit (200) mounted on the vehicle frame (100) for controlling the direction of movement of the vehicle frame (100), a first lifting wheel assembly (300) and a second lifting wheel assembly (400) mounted on the vehicle frame (100), an auxiliary support wheel assembly (600) rotatably connected to the far end of the vehicle frame (100) away from the steering control unit (200), a flip rack (700) rotatably connected to the vehicle frame (100) for carrying cargo, a hydraulic system (500) mounted on the vehicle frame (100) for controlling the lifting of the first lifting wheel assembly (300) and the second lifting wheel assembly (400), the steering control unit (200) being electrically connected to the hydraulic system (500), and a power supply unit (110) mounted on the vehicle frame (100) and electrically connected to the steering control unit (200) and the hydraulic system (500).

2. The large heavy-load transport platform in a confined space according to claim 1, characterized in that, The steering control unit (200) includes a universal lifting wheel assembly disposed below the steering control unit (200), a drive assembly for driving the universal lifting wheel assembly to rotate, and a steering strut (220) movably connected to the universal lifting wheel assembly.

3. The large heavy-load transport platform in a confined space according to claim 2, characterized in that, The omnidirectional lifting wheel assembly includes an omnidirectional wheel (210) hinged to the steering branch and driven by the drive assembly, and a third hydraulic lifting assembly disposed above the omnidirectional wheel (210) and controlled by the hydraulic system (500).

4. The large heavy-load transport platform in a confined space according to claim 3, characterized in that, The rotating support rod is provided with a handle (230) for control, a control module for controlling the drive unit and the hydraulic system (500) is provided on the handle (230), and a handbrake is provided on the handle (230) for braking the platform.

5. A large heavy-load transport platform in a confined space according to claim 4, characterized in that, The control module includes a control system disposed on the handle (230) and electrically connected to the drive unit and the hydraulic system (500), and a number of buttons disposed on the handle (230) for issuing commands to the control system.

6. A large heavy-load transport platform in a confined space according to claim 1, characterized in that, The vehicle frame (100) is provided with a front telescopic mechanism, which includes several sliding channels parallel to the moving direction of the vehicle frame (100), several sliding rods disposed on the steering control unit (200) and moving within the sliding channels, and a telescopic power assembly disposed on the vehicle frame (100) and used to drive the sliding rods to move.

7. A large heavy-load transport platform in a confined space according to claim 1, characterized in that, The first lifting wheel assembly (300) and the second lifting wheel assembly (400) include mounting plates (330) disposed on both sides of the frame (100), a first hydraulic lifting assembly (320) mounted on the mounting plate (330) and controlled by the hydraulic system (500), and a first pulley (310) connected to the first hydraulic lifting assembly (320) and vertically lifting.

8. A large heavy-load transport platform in a confined space according to claim 1, characterized in that, The auxiliary support wheel assembly (600) includes a wheel frame (610) rotatably connected to the far end of the frame (100), and a second pulley (620) disposed at the end of the wheel frame (610) away from the frame (100).

9. A large heavy-load transport platform in a confined space according to claim 8, characterized in that, The wheel frame (610) is provided with a locking pin and a positioning hole. The frame (100) is provided with a first angle hole and a second angle hole. When the positioning hole and the first angle hole coincide, the wheel frame (610) is housed in the frame (100). When the positioning hole and the second angle hole coincide, the wheel frame (610) abuts against the ground and supports the frame (100).

10. A large heavy-load transport platform in a confined space according to claim 1, characterized in that, The flip-up bracket (700) is hinged to the frame (100), and one end of the flip-up bracket (700) is connected to the hydraulic system (500).

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