Electrically-driven remote control self-walking crane

Abstract

The invention belongs to the technical field of engineering machinery, and particularly relates to an electrically-driven remote-control self-walking crane. The winding assembly and the hoisting assembly are installed on the vehicle body, the size is reduced, the device is applied to the small-site use scene, the position of a pull rod in a square pipe can be adjusted by taking down a plug pin, the pull rod can be stretched out, then the square pipe is rotated to make a pressing plate away from the vehicle body, and the pressing plate is pressed on the ground by rotating a threaded rod; and the distance between the vehicle body and the pressing plate can be adjusted, so that the area of a region formed by force bearing points of the vehicle body can be increased, and the stability of the vehicle body during heavy object hoisting is improved. A winch, a telescopic arm and a lifting arm are connected, a first motor is driven to drive a first speed reducer to enable the winch to rotate, at the moment, a steel cable can be withdrawn, then hoisting of a heavy object can be completed, a second motor is driven to drive a second speed reducer to enable a rotating rod to rotate, and at the moment, a steering seat can be driven to rotate; and therefore, the hoisted heavy object can be moved, and the heavy object is transferred.

Description

Technical Field

[0001] The invention belongs to the technical field of engineering machinery, and in particular relates to an electrically driven remote-controlled self-propelled crane. Background Art

[0002] Crane is an important mechanical equipment, widely used in construction engineering, manufacturing, logistics, ports and many other industries.

[0003] The Chinese patent document with the announcement number CN212532084U discloses an adjustable self-propelled hydraulic crane, including a vehicle body, a chassis, a rear part of the chassis is provided with a directional wheel set and a turntable, a front part of the chassis is provided with a power control system, a boom group is provided on the turntable, the boom group is provided with a hydraulic component, the boom group is connected to a telescopic boom at one end away from the turntable, the telescopic boom is provided with a crane at one end away from the boom group, the power control system is used to control the hydraulic component to move the telescopic boom, the boom group and the turntable, the front part of the chassis is connected to the walking system, the power control system is also used to control the movement of the walking system, and the front end of the chassis is provided with a balance adjustment component. This patent can meet the needs of a wide range of workshops, simple operation, high safety factor, less manual labor required, and strong practicality.

[0004] The above patent solves the problem that the current operation of cranes and truck cranes in workshops or factories is easily restricted by site limitations and requires too much manual intervention, which may lead to safety hazards. However, during the use of the device, when lifting objects, the device only relies on the anti-tilt bracket to support the base frame, and cannot obtain a large force-bearing area. Therefore, when lifting heavier objects, the stability of the device is easily reduced. Summary of the invention

[0005] In view of the shortcomings of the prior art, the present invention provides an electrically driven remote-controlled self-propelled crane, which solves the problem that when lifting objects, the base frame is only supported by an anti-tilt bracket, a large force-bearing area cannot be obtained, and thus the stability of the device is easily reduced when lifting heavier objects.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions:

[0007] An electrically driven remote-controlled self-propelled crane comprises a vehicle body, one side of the top surface of the vehicle body is rotatably connected to a steering seat, the top of the steering seat is fixedly connected to a mounting plate, the middle of the mounting plate is rotatably connected to a lifting assembly, one side of the steering seat is provided with a winding assembly, an outer side of the vehicle body is fixedly connected to a fixing plate, one side of the middle of the fixing plate is rotatably connected to a square tube, the middle of the square tube is slidably connected to a pull rod, one end of the pull rod is fixedly connected to a sleeve, the middle of the sleeve is threadedly connected to a threaded rod, the bottom of the threaded rod is rotatably connected to a pressure plate, a latch is provided in the middle of the pull rod, the latch passes through the square tube, the top of the latch is fixedly connected to a baffle, and the top of the baffle is fixedly connected to a pull plate.

[0008] Preferably, the lifting assembly includes a telescopic arm, a lifting arm, a first hydraulic pump, a connecting seat and a second hydraulic pump. The telescopic arm is rotatably connected to the inside of the mounting plate, a cross plate is fixedly connected to the other side of the steering seat, the lifting arm is rotatably connected to the front end of the telescopic arm, the first hydraulic pump is rotatably connected to one end of the upper surface of the top surface of the cross plate, the output end of the first hydraulic pump is rotatably connected to the bottom of the connecting seat, the top of the connecting seat is fixedly connected to the bottom surface of the front end of the telescopic arm, one end of the second hydraulic pump is rotatably connected to the front end of the connecting seat, and the output end of the second hydraulic pump is rotatably connected to the middle part of one side of the lifting arm.

[0009] Preferably, the winding assembly includes a side plate, two support plates are fixedly connected to the bottom of one side of the side plate, a first motor is fixedly connected to one side of the top surface of one of the support plates, a first reducer is fixedly connected to the output end of the first motor, a first gear is fixedly connected to one side of the first reducer, the bottom of the first reducer is fixedly connected to the other side of the top surface of the support plate, a capstan is rotatably connected to the top of the inner side of the two side plates, a second gear is fixedly connected to one end of the capstan, and the first gear and the second gear are meshingly connected.

[0010] Preferably, a hand wheel is fixedly connected to the top of the threaded rod, and a roller is provided at the bottom of the vehicle body.

[0011] Preferably, an insertion rod penetrates one side of the middle of the fixing plate, the top of the insertion rod is fixedly connected to a limiting plate, and the top of the limiting plate is fixedly connected to a pull ring.

[0012] Preferably, a plug hole is opened on one side of the middle portion of the square tube, and the plug rod is located inside the plug hole.

[0013] Preferably, a plurality of fixing holes are provided in the middle of the pull rod, the latch is located inside one of the fixing holes, a slot is provided in the middle of one side of the square tube, and the pull rod is slidably connected to the inner wall of the slot.

[0014] Preferably, a rotating rod is fixedly connected to the middle of the bottom surface of the steering seat, a fourth gear is fixedly connected to the bottom of the rotating rod, a second motor is fixedly connected to one side of the middle of the vehicle body, a second reducer is fixedly connected to the output end of the second motor, the second reducer is located inside the vehicle body, a third gear is fixedly connected to one side of the second reducer, and the third gear and the fourth gear are meshingly connected.

[0015] Preferably, a battery, a controller and a wireless transmission module are disposed inside the vehicle body, and the battery, the controller and the wireless transmission module are electrically connected.

[0016] Working principle: When lifting operation is required, the operator sends instructions through the remote control to make the first hydraulic pump and the second hydraulic pump work, drive the telescopic arm and the lifting arm to extend and lift, and drive the telescopic arm to extend itself. When the required working height is reached, stop the first hydraulic pump and the second hydraulic pump, and the lifting operation is completed. The first motor is driven to rotate by the controller. At this time, the torque of the first motor can be increased by the first reducer. At this time, the first motor can be used to drive the first reducer to rotate. At this time, the first gear will rotate. When the first gear rotates, it will drive the second gear to rotate. At this time, the second gear and the winch are driven to rotate, and the steel cable can be retracted. At this time, the heavy object can be lifted, and then the second motor is driven. At this time, the second reducer can increase the torque of the second motor. At this time, the second reducer can drive the third gear to rotate. At this time, the third gear can drive the fourth gear to rotate. At this time, the fourth gear can be used to drive the rotation The rod rotates, so that the steering seat and the cross plate rotate along the rotating rod as the center of the circle, thereby driving the telescopic arm and the lifting arm to rotate, and then the heavy object can be transferred. The rollers at the bottom of the vehicle body and the motor can be installed inside the vehicle body to drive the rollers. At this time, the steering of the motor can also be controlled to make the vehicle move forward or backward, and before the vehicle body lifts the heavy object, the plug rod and the pin can be pulled out first. At this time, the pull rod can be pulled out of the inside of the square tube by pulling the sleeve, and then the sleeve is rotated to rotate along one end of the square tube as the center of the circle. At this time, the square tube can be opened, and the distance between the pressure plates on both sides of the vehicle body can be increased. Then the pin is inserted into the inside of the fixing hole, and the position of the pull rod inside the square tube can be locked. Finally, the threaded rod is driven to rotate by rotating the handwheel. At this time, the pressure plate can be pushed out and pressed against the ground, thereby improving the stability of the device when lifting heavy objects, and the wireless transmission module and controller inside the vehicle body can realize the remote control of the vehicle by the operator.

[0017] Beneficial effects of the present invention:

[0018] 1. The present invention can reduce the overall volume of the device by installing the winding component and the lifting component on the vehicle body respectively, so that it can be applied to small-site usage scenarios. By removing the latch, the position of the pull rod inside the square tube can be adjusted. At the beginning, the pull rod can be extended, and then the square tube is rotated to make the pressure plate away from the vehicle body. The pressure plate is pressed to the ground by rotating the threaded rod. At this time, the distance between the vehicle body and the pressure plate can be adjusted, thereby increasing the area of ​​the force point formation area of ​​the vehicle body, thereby improving the stability of the vehicle body when lifting heavy objects.

[0019] 2. The present invention connects the winch, the telescopic arm and the lifting arm. Driving the first motor can drive the first reducer to rotate the winch. At this time, the steel cable can be retracted to complete the lifting of the heavy object. Driving the second motor can drive the second reducer to rotate the rotating rod. At this time, the steering seat can be driven to rotate, and the lifted heavy object can be moved, thereby achieving the purpose of transferring the heavy object. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0021] Figure 2 This is a structural breakdown diagram of the pull rod portion of the present invention;

[0022] Figure 3 for Figure 2 A in the enlarged view;

[0023] Figure 4 for Figure 2 The enlarged view of point B in the figure;

[0024] Figure 5 It is a schematic diagram of the structure of the steering seat part of the present invention;

[0025] Figure 6 It is a schematic diagram of the structure of the rotating rod part of the present invention.

[0026] In the figure: 1. body; 2. steering seat; 3. mounting plate; 4. side plate; 5. fixing plate; 6. square tube; 7. pull rod; 8. sleeve; 9. threaded rod; 10. pressure plate; 11. latch; 12. hand wheel; 13. plug rod; 14. limit plate; 15. pull ring; 16. plug hole; 17. fixing hole; 18. baffle; 19. pull plate; 20. slot; 21. telescopic arm; 22. lifting arm; 23. first hydraulic pump; 24. connecting seat; 25. second hydraulic pump; 26. roller; 27. support plate; 28. first motor; 29. ​​first reducer; 30. first gear; 31. second gear; 32. capstan; 33. rotating rod; 34. fourth gear; 35. second motor; 36. second reducer; 37. third gear; 38. cross plate. DETAILED DESCRIPTION

[0027] The specific implementation of the present invention is further described below in conjunction with the accompanying drawings and technical solutions.

[0028] See also Figure 2-4 The embodiment of the present invention provides an electrically driven remote-controlled self-propelled crane, comprising a car body 1, a steering seat 2 is rotatably connected to one side of the top surface of the car body 1, a mounting plate 3 is fixedly connected to the top of the steering seat 2, a lifting assembly is rotatably connected to the middle of the mounting plate 3, a winding assembly is provided on one side of the steering seat 2, a fixing plate 5 is fixedly connected to the outer side of the car body 1, a square tube 6 is rotatably connected to one side of the middle of the fixing plate 5, a pull rod 7 is slidably connected to the middle of the square tube 6, a sleeve 8 is fixedly connected to one end of the pull rod 7, a threaded rod 9 is threadedly connected to the middle of the sleeve 8, a pressing plate 10 is rotatably connected to the bottom of the threaded rod 9, a latch 11 is provided in the middle of the pull rod 7, the latch 11 passes through the square tube 6, a baffle 18 is fixedly connected to the top of the latch 11, and a pull plate 19 is fixedly connected to the top of the baffle 18.

[0029] The vehicle structure is divided into several main parts, including a car body 1, a steering seat 2, a lifting assembly, a winding assembly, a fixing plate 5, a square tube 6, a pull rod 7, a sleeve 8, a threaded rod 9, a pressure plate 10, a latch 11, a baffle 18 and a pull plate 19. The car body 1 is the core part of the entire crane. The steering seat 2 is located on one side of the top surface of the car body 1 and can rotate freely, so that the crane has good maneuverability in a narrow space. The lifting assembly is located in the middle of the mounting plate 3 and can rotate around the mounting plate 3. During the lifting process, the lifting assembly can adjust the angle as needed to achieve accurate lifting of the goods. The winding assembly is arranged on one side of the steering seat 2, and is mainly used to lift or lower heavy objects. The middle side of the fixed plate 5 is rotatably connected with a square tube 6. The square tube 6 serves as the supporting structure of the crane and can adjust the angle as needed to keep the crane stable under various terrain conditions. The pull rod 7 connects the square tube 6 and the sleeve 8, and the distance between the square tube 6 and the sleeve 8 is adjusted by a sliding connection. One end of the pull rod 7 is fixedly connected with the sleeve 8, and the middle part of the sleeve 8 is threadedly connected with a threaded rod 9, and the bottom of the threaded rod 9 is rotatably connected with a pressure plate 10. Therefore, the pressure plate 10, the threaded rod 9, the pull rod 7 and the square tube 6 can be used to support the vehicle body 1 to improve stability.

[0030] See also Figure 1 The top of the threaded rod 9 is fixedly connected with a hand wheel 12, and the bottom of the vehicle body 1 is provided with a roller 26. The threaded rod 9 can be rotated by the hand wheel 12, and the vehicle body 1 can be driven to move by the roller 26.

[0031] See also Figure 3-Figure 4, an insertion rod 13 penetrates one side of the middle of the fixing plate 5, the top of the insertion rod 13 is fixedly connected to the limiting plate 14, and the top of the limiting plate 14 is fixedly connected to the pull ring 15. A plug hole 16 is provided on one side of the middle of the square tube 6, and the insertion rod 13 is located inside the plug hole 16. A plurality of fixing holes 17 are provided in the middle of the pull rod 7, and the latch 11 is located inside a fixing hole 17. A slot 20 is provided in the middle of one side of the square tube 6, and the pull rod 7 is slidably connected to the inner wall of the slot 20. The position of the pull rod 7 inside the square tube 6 can be locked by the insertion rod 13, thereby preventing the pull rod 7 from shaking, and a plurality of fixing holes 17 are provided in the middle of the pull rod 7, so that the extension length of the pull rod 7 can be adjusted in multiple stages, thereby improving the adaptability to the terrain.

[0032] See also Figure 1 The lifting assembly includes a telescopic arm 21, a lifting arm 22, a first hydraulic pump 23, a connecting seat 24, and a second hydraulic pump 25. The telescopic arm 21 is rotatably connected to the inside of the mounting plate 3, a horizontal plate is fixedly connected to the other side of the steering seat 2, the lifting arm 22 is rotatably connected to the front end of the telescopic arm 21, the first hydraulic pump 23 is rotatably connected to one end of the upper surface of the horizontal plate, the output end of the first hydraulic pump 23 is rotatably connected to one side of the connecting seat 24, the top of the connecting seat 24 is fixedly connected to the bottom surface of the front end of the telescopic arm 21, one end of the second hydraulic pump 25 is rotatably connected to the front end of the connecting seat 24, and the output end of the second hydraulic pump 25 is rotatably connected to the middle of one side of the lifting arm 22. By driving the first hydraulic pump 23, the telescopic arm 21 can drive the lifting arm 22 to be lifted, and by driving the second hydraulic pump 25, the lifting arm 22 can be rotated along the top of the telescopic arm 21 as the center of the circle, and at this time, the bottom of the lifting arm 22 can be lifted.

[0033] See also Figure 1 and Figure 5 The winding assembly includes two side plates 4, wherein the outer bottom of one side plate 4 is fixedly connected to a support plate 27, one side of the top surface of the support plate 27 is fixedly connected to a first motor 28, the output end of the first motor 28 is fixedly connected to a first reducer 29, one side of the first reducer 29 is fixedly connected to a first gear 30, the bottom of the first reducer 29 is fixedly connected to the other side of the top surface of the support plate 27, the top of the inner side of the two side plates 4 is rotatably connected to a capstan 32, one end of the capstan 32 is fixedly connected to a second gear 31, and the first gear 30 and the second gear 31 are meshedly connected. By driving the first motor 28, the first motor 28 can be used to drive the first reducer 29 to rotate, at which time the first gear 30 will rotate, and when the first gear 30 rotates, it will drive the second gear 31 to rotate, and at this time, the second gear 31 and the winch 32 are driven to rotate, so that the steel cable can be retracted, and the heavy object can be lifted at this time.

[0034] See also Figure 6A rotating rod 33 is fixedly connected to the middle of the bottom surface of the steering seat 2, and a fourth gear 34 is fixedly connected to the bottom of the rotating rod 33. A second motor 35 is fixedly connected to one side of the middle part of the vehicle body 1, and a second reducer 36 is fixedly connected to the output end of the second motor 35. The second reducer 36 is located inside the vehicle body 1, and a third gear 37 is fixedly connected to one side of the second reducer 36. The third gear 37 and the fourth gear 34 are meshingly connected.

[0035] The vehicle body 1 is provided with a battery, a controller and a wireless transmission module, and the battery, the controller and the wireless transmission module are electrically connected. By driving the second motor 35, the second reducer 36 can increase the torque of the second motor 35, and the third gear 37 can be driven to rotate by the second reducer 36, and the third gear 37 can be driven to rotate by the fourth gear 34, and the fourth gear 34 can be used to drive the rotating rod 33 to rotate, so that the steering seat 2 and the cross plate rotate along the rotating rod 33 as the center of the circle, thereby driving the telescopic arm 21 and the lifting arm 22 to rotate, and then the heavy object can be transferred, and a motor can be installed inside the vehicle body 1 to drive the roller 26 by the motor, and the controller can also be electrically connected to the motor, and the controller can be sent to the controller through the wireless transmission module, so that the movement of the vehicle body 1 can be remotely controlled, and by electrically connecting the power components inside the vehicle body 1 to the controller, the heavy object can be lifted and carried by the device at a long distance, and the flexibility of use is improved.

Claims

1. An electrically driven remote-controlled self-propelled crane, comprising a vehicle body (1), characterized in that: A steering seat (2) is rotatably connected to one side of the top surface of the vehicle body (1), a mounting plate (3) is fixedly connected to the top of the steering seat (2), a lifting assembly is rotatably connected to the middle of the mounting plate (3), and a winding assembly is provided on one side of the steering seat (2); a fixing plate (5) is fixedly connected to the outer side of the vehicle body (1), a square tube (6) is rotatably connected to one side of the middle of the fixing plate (5), a pull rod (7) is slidably connected to the middle of the square tube (6), one end of the pull rod (7) is fixedly connected to a sleeve (8), a threaded rod (9) is threadedly connected to the middle of the sleeve (8), a pressure plate (10) is rotatably connected to the bottom of the threaded rod (9), a latch (11) is provided in the middle of the pull rod (7), the latch (11) passes through the square tube (6), a baffle (18) is fixedly connected to the top of the latch (11), and a pull plate (19) is fixedly connected to the top of the baffle (18).

2. The electrically driven remote-controlled self-propelled crane according to claim 1, characterized in that: The lifting assembly includes a telescopic arm (21), a lifting arm (22), a first hydraulic pump (23), a connecting seat (24) and a second hydraulic pump (25); the telescopic arm (21) is rotatably connected to the inside of the mounting plate (3); the other side of the steering seat (2) is fixedly connected to a transverse plate (38); the lifting arm (22) is rotatably connected to the front end of the telescopic arm (21); the first hydraulic pump (23) is rotatably connected to one end of the upper surface of the transverse plate (38); the output end of the first hydraulic pump (23) is rotatably connected to the bottom of the connecting seat (24); the top of the connecting seat (24) is fixedly connected to the bottom surface of the front end of the telescopic arm (21); one end of the second hydraulic pump (25) is rotatably connected to the front end of the connecting seat (24); and the output end of the second hydraulic pump (25) is rotatably connected to the middle of one side of the lifting arm (22).

3. The electrically driven remote-controlled self-propelled crane according to claim 1, characterized in that: The winding assembly comprises two side plates (4), wherein the outer bottom of one of the side plates (4) is fixedly connected to a support plate (27), one side of the top surface of the support plate (27) is fixedly connected to a first motor (28), the output end of the first motor (28) is fixedly connected to a first reducer (29), one side of the first reducer (29) is fixedly connected to a first gear (30), the bottom of the first reducer (29) is fixedly connected to the other side of the top surface of the support plate (27), the top of the inner side of the two side plates (4) is rotatably connected to a capstan (32), one end of the capstan (32) is fixedly connected to a second gear (31), and the first gear (30) and the second gear (31) are meshingly connected.

4. The electrically driven remote-controlled self-propelled crane according to claim 1, characterized in that: A hand wheel (12) is fixedly connected to the top of the threaded rod (9), and a roller (26) is arranged at the bottom of the vehicle body (1).

5. The electrically driven remote-controlled self-propelled crane according to claim 1, characterized in that: An insertion rod (13) penetrates one side of the middle of the fixing plate (5), the top of the insertion rod (13) is fixedly connected to a limiting plate (14), and the top of the limiting plate (14) is fixedly connected to a pull ring (15).

6. The electrically driven remote-controlled self-propelled crane according to claim 5, characterized in that: A plug hole (16) is provided on one side of the middle of the square tube (6), and the plug rod (13) is located inside the plug hole (16).

7. The electrically driven remote-controlled self-propelled crane according to claim 1, characterized in that: A plurality of fixing holes (17) are arranged in the middle of the pull rod (7), the latch pin (11) is located inside one of the fixing holes (17), a slot (20) is arranged in the middle of one side of the square tube (6), and the pull rod (7) is slidably connected to the inner wall of the slot (20).

8. The electrically driven remote-controlled self-propelled crane according to claim 1, characterized in that: A rotating rod (33) is fixedly connected to the middle of the bottom surface of the steering seat (2), a fourth gear (34) is fixedly connected to the bottom of the rotating rod (33), a second motor (35) is fixedly connected to one side of the middle of the vehicle body (1), a second reducer (36) is fixedly connected to the output end of the second motor (35), the second reducer (36) is located inside the vehicle body (1), a third gear (37) is fixedly connected to one side of the second reducer (36), and the third gear (37) and the fourth gear (34) are meshingly connected.

9. The electrically driven remote-controlled self-propelled crane according to claim 1, characterized in that: A battery, a controller and a wireless transmission module are arranged inside the vehicle body (1), and the battery, the controller and the wireless transmission module are electrically connected.

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