Anti-dragging device for traveling cable of gantry crane trolley

Abstract

The utility model relates to the technical field of gantry cranes, and discloses a gantry crane trolley traveling cable anti-dragging device which comprises a fixed plate, a lifting assembly is arranged at the bottom of the fixed plate, a telescopic rod is fixedly connected into the fixed plate, and the telescopic end of the telescopic rod is fixedly connected with a movable plate. First limiting plates are fixedly connected to the front side and the rear side of the movable plate correspondingly, first threaded rods are in threaded connection with the interiors of the first limiting plates, first cylindrical gears are fixedly connected to the peripheries of the first threaded rods, and two worms are rotationally connected to the interior of one side of the fixed plate. According to the utility model, the movable plate can synchronously drive the turntable I to rotate in the moving process, the turntable I can take up and pay off a cable through rotation, the fault of breaking the cable or breaking the conductive frame can be effectively prevented, the lifting plate can be driven to lift by starting the motor II, and the lifting plate can drive the fixed plate to lift through lifting. Therefore, the practicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of gantry cranes, in particular to a device for preventing the accompanying cable of a gantry crane trolley from being pulled. Background Art

[0002] Gantry crane trolley is a kind of equipment used for lifting cargo. It is used for lifting and loading and unloading cargo on production lines in factories, for loading and unloading cargo on cargo ships at docks, for stacking and handling cargo in warehouses, and for transporting and lifting building materials at construction sites.

[0003] The main structure is composed of two side pillars and a beam spanning across them. There is a movable trolley between the beams, which can be driven by an electric motor or an electric pull rod to move horizontally along the beam. A hook is installed on the trolley for lifting cargo.

[0004] The pulley of the old gantry crane cannot be inspected and is prone to getting stuck. If the pulley gets stuck and the trolley continues to move forward, the cable will be pulled off, causing great economic losses. Therefore, a gantry crane trolley cable anti-pull device is proposed to solve the above problem. Utility Model Content

[0005] In order to remedy the above shortcomings, the utility model provides a gantry crane trolley accompanying cable anti-pull device, which aims to improve the problem in the prior art of preventing the cable rack from breaking the cable or the conductive frame due to the pulley being stuck.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a gantry crane trolley accompanying cable anti-pull device, comprising a fixed plate, a lifting assembly is arranged at the bottom of the fixed plate, a telescopic rod is fixedly connected inside the fixed plate, and the telescopic end of the telescopic rod is fixedly connected to a movable plate, and the front and rear sides of the movable plate are fixedly connected to a limit plate one, and the limit plate one is threadedly connected to a threaded rod one inside, and the outer periphery of the threaded rod one is fixedly connected to a cylindrical gear one, and two worms are rotatably connected inside one side of the fixed plate, and the outer periphery of the worm is fixedly connected to a cylindrical gear two, and the cylindrical gear two is meshed with the cylindrical gear one, and the front and rear sides of the fixed plate are rotatably connected to a rotating shaft one, and the outer periphery of the rotating shaft one is fixedly connected to a worm wheel, and the worm is meshed with the worm wheel, and the outer periphery of the rotating shaft one is fixedly connected to a turntable one, and the outer periphery of the limit plate one is slidably connected to the inside of the fixed plate, and the outer periphery of the turntable one is sleeved with a cable, and the end of the cable away from the turntable one is slidably connected to a protective plate, and the side of the protective plate away from the cable is fixedly connected to one side of the movable plate.

[0007] Furthermore, the lifting assembly includes multiple lifting plates, the top of the lifting plate is fixedly connected to the bottom of the fixed plate, the bottom end of the lifting plate is slidably connected to a support plate, the bottoms of two adjacent support plates are fixedly connected to a connecting plate, the front side of the connecting plate is fixedly connected to a protective cover 2, the inside of the protective cover 2 is fixedly connected to a motor 2, the driving end of the motor 2 is fixedly connected to a rotating shaft 2, the outer periphery of the rotating shaft 2 is fixedly connected to two bevel gears 1, the inside of the lifting plate is threadedly connected to a threaded rod 2, the bottom end of the threaded rod 2 is fixedly connected to a bevel gear 2, and the bevel gear 2 is meshingly connected to the threaded rod 2.

[0008] Furthermore, a control board is fixedly connected to one side of the top of the protective plate.

[0009] Furthermore, a control line is fixedly connected to one side of the control board, and one end of the control line away from the control board is fixedly connected to the inside of the movable board.

[0010] Furthermore, a protective cover 1 is fixedly connected to a side of the movable plate away from the telescopic rod, a motor 1 is fixedly connected inside the protective cover 1, a turntable 2 is fixedly connected to a driving end of the motor 1, and two suspension wires are sleeved on the outer periphery of the turntable 2.

[0011] Furthermore, a hook is fixedly connected to the bottom end of the suspension wire.

[0012] Furthermore, wheels are fixedly connected to the front and rear sides of the bottom of the connecting plate.

[0013] Furthermore, the bottom end of the lifting plate is fixedly connected to a second limiting plate, and the outer periphery of the second limiting plate is slidably connected to the inside of the supporting plate.

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

[0015] 1. In the utility model, the movable plate can be driven to move by the telescopic rod, and the movable plate can drive the limiting plate to move by moving, and the limiting plate can drive the threaded rod to rotate by moving, and the threaded rod can drive the cylindrical gear to rotate by rotating, and the cylindrical gear can drive the cylindrical gear to rotate by rotating, and the cylindrical gear can drive the worm to rotate by rotating, and the worm can drive the worm wheel to rotate by rotating, and the worm wheel can drive the rotating shaft to rotate by rotating, and the rotating shaft can drive the turntable to rotate by rotating, and the turntable can retract and release the cable by rotating, so as to prevent the cable from being pulled off.

[0016] 2. In the utility model, starting motor 2 can drive rotating shaft 2 to rotate, rotating shaft 2 can drive bevel gear 1 to rotate by rotating, bevel gear 1 can drive bevel gear 2 to rotate by rotating, bevel gear 2 can drive threaded rod 2 to rotate by rotating, threaded rod 2 can drive the lifting plate to rise and fall by rotating, the lifting plate can drive the fixed plate to rise and fall by rising and falling, and its practicality can be improved by adjusting the height of the fixed plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a three-dimensional schematic diagram of a gantry crane trolley accompanying cable anti-pull device proposed by the utility model;

[0018] Figure 2 This is a structural schematic diagram of a fixing plate of a gantry crane trolley accompanying cable anti-pull device proposed by the utility model;

[0019] Figure 3 for Figure 2 The enlarged view of point A in the middle;

[0020] Figure 4 This is a structural schematic diagram of a support plate of a gantry crane trolley accompanying cable anti-pull device proposed by the utility model;

[0021] Figure 5 The utility model provides a schematic structural diagram of a movable plate of a traveling cable anti-pull device for a gantry crane trolley.

[0022] Legend:

[0023] 1. Fixed plate; 2. Telescopic rod; 3. Moving plate; 4. Limiting plate 1; 5. Threaded rod 1; 6. Cylindrical gear 1; 7. Cylindrical gear 2; 8. Worm; 9. Rotating shaft 1; 10. Worm wheel; 11. Turntable 1; 12. Cable; 13. Protective plate; 14. Control board; 15. Control line; 16. Protective cover 1; 17. Motor 1; 18. Turntable 2; 19. Hanging wire; 20. Hook; 21. Lifting plate; 22. Support plate; 23. Connecting plate; 24. Protective cover 2; 25. Motor 2; 26. Rotating shaft 2; 27. Bevel gear 1; 28. Bevel gear 2; 29. ​​Threaded rod 2; 30. Limiting plate 2; 31. Wheel. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Reference Figure 1 - Figure 3 The utility model provides an embodiment: a gantry crane trolley accompanying cable anti-pull device, including a fixed plate 1, a telescopic rod 2 is fixedly connected inside the fixed plate 1, a mobile plate 3 is fixedly connected to the telescopic end of the telescopic rod 2, and the front and rear sides of the mobile plate 3 are fixedly connected to a limit plate 4, a threaded rod 5 is threadedly connected inside the limit plate 4, and a cylindrical gear 6 is fixedly connected to the outer periphery of the threaded rod 5, and two worms 8 are rotatably connected inside one side of the fixed plate 1, and a cylindrical gear 2 7 is fixedly connected to the outer periphery of the worm 8, and the cylindrical gear 2 7 is meshed with the cylindrical gear 6, the front and rear sides of the fixed plate 1 are rotatably connected with a rotating shaft 9, the outer periphery of the rotating shaft 9 is fixedly connected with a worm wheel 10, the worm 8 is meshed with the worm wheel 10, the outer periphery of the rotating shaft 9 is fixedly connected with a turntable 11, the outer periphery of the limit plate 4 is slidably connected to the inside of the fixed plate 1, the outer periphery of the turntable 11 is sleeved with a cable 12, the end of the cable 12 away from the turntable 11 is slidably connected with a protective plate 13, and the side of the protective plate 13 away from the cable 12 is fixedly connected to one side of the movable plate 3. The fixed plate 1 is used to fix the movable plate 3, and the telescopic rod 2 is used to drive the movable plate 3 to move. The movable plate 3 can drive the limit plate 4 to move by moving, and the limit plate 4 can drive the threaded rod 5 to rotate by moving. The threaded rod 5 can drive the cylindrical gear 6 to rotate by rotating, and the cylindrical gear 6 can drive the cylindrical gear 27 to rotate by rotating. The cylindrical gear 27 can drive the worm 8 to rotate by rotating, and the worm 8 can drive the worm wheel 10 to rotate by rotating. The worm wheel 10 can drive the rotating shaft 9 to rotate, and the rotating shaft 9 can drive the turntable 11 to rotate by rotating. The turntable 11 can retract and release the cable 12 by rotating, which can effectively prevent the cable from being pulled off. The cable 12 is a conductor for transmitting electrical energy or data signals, and the protective plate 13 is used to protect the cable 12.

[0026] Reference Figure 1 and Figure 4A lifting assembly is provided at the bottom of the fixed plate 1, and the lifting assembly includes multiple lifting plates 21. The top of the lifting plate 21 is fixedly connected to the bottom of the fixed plate 1, and the bottom end of the lifting plate 21 is slidably connected to a support plate 22. A connecting plate 23 is fixedly connected to the bottom of two adjacent support plates 22, and a protective cover 24 is fixedly connected to the front side of the connecting plate 23. A motor 25 is fixedly connected inside the protective cover 24, and a rotating shaft 26 is fixedly connected to the driving end of the motor 25. Two bevel gears 1 27 are fixedly connected to the outer periphery of the rotating shaft 26. A threaded rod 29 is threadedly connected inside the lifting plate 21, and a bevel gear 28 is fixedly connected to the bottom end of the threaded rod 29, and the bevel gear 28 is meshed with the threaded rod 29. The lifting plate 21 can drive the fixed plate 1 to be lifted and lowered by lifting, the support plate 22 is used to support the lifting plate 21, the connecting plate 23 is used to connect the two supporting plates 22 to make it more stable, the protective cover 24 is used to protect the motor 25, the motor 25 is used to drive the rotating shaft 26 to rotate, the rotating shaft 26 can drive the bevel gear 1 27 to rotate by rotating, the bevel gear 1 27 can drive the bevel gear 2 28 to rotate by rotating, the bevel gear 2 28 can drive the threaded rod 2 29 to rotate by rotating, and the threaded rod 2 29 can drive the lifting plate 21 to be lifted and lowered by rotating.

[0027] Reference Figure 1 , Figure 2 and Figure 5 A control board 14 is fixedly connected to one side of the top of the protective plate 13, a control line 15 is fixedly connected to one side of the control board 14, an end of the control line 15 away from the control board 14 is fixedly connected to the inside of the moving plate 3, a protective cover 16 is fixedly connected to the side of the moving plate 3 away from the telescopic rod 2, a motor 17 is fixedly connected to the inside of the protective cover 16, a turntable 2 18 is fixedly connected to the driving end of the motor 17, two suspension lines 19 are sleeved on the outer periphery of the turntable 2 18, a hook 20 is fixedly connected to the bottom end of the suspension line 19, wheels 31 are fixedly connected to the front and rear sides of the bottom of the connecting plate 23, a limiting plate 2 30 is fixedly connected to the bottom end of the lifting plate 21, and the outer periphery of the limiting plate 2 30 is slidably connected to the inside of the support plate 22. The control board 14 is used to control the movement of the movable plate 3, the control line 15 is used to transmit control information, the protective cover 16 is used to protect the motor 17, the motor 17 is used to drive the turntable 2 18 to rotate, the turntable 2 18 can retract and release the hanging wire 19 by rotating, the hanging wire 19 is used to fix the hook 20, the hook 20 is used to lift the goods, the wheel 31 drives the connecting plate 23 to move, and the limit plate 2 30 prevents the lifting plate 21 from falling off from the inside of the support plate 22.

[0028] Working principle: Starting motor 25 can drive shaft 26 to rotate, shaft 26 can drive bevel gear 1 27 to rotate by rotating, bevel gear 1 27 can drive bevel gear 28 to rotate by rotating, bevel gear 28 can drive threaded rod 29 to rotate by rotating, threaded rod 29 can drive lifting plate 21 to lift by rotating, lifting plate 21 can drive fixed plate 1 to lift by lifting, and fixed plate 1 is adjusted to a suitable height. Starting motor 17 can drive turntable 2 18 to rotate, turntable 2 18 can make hanging wire 19 retractable by rotating, hanging wire 19 can adjust the height of hook 20 by retracting and extending, and telescopic rod 2 can drive the moving plate 3 to move, the moving plate 3 can drive the limiting plate 4 to move by moving, the limiting plate 4 can drive the threaded rod 5 to rotate by moving, the threaded rod 5 can drive the cylindrical gear 6 to rotate by rotating, the cylindrical gear 6 can drive the cylindrical gear 27 to rotate by rotating, the cylindrical gear 27 can drive the worm 8 to rotate by rotating, the worm 8 can drive the worm wheel 10 to rotate by rotating, the worm wheel 10 can drive the rotating shaft 9 to rotate by rotating, the rotating shaft 9 can drive the turntable 11 to rotate, the turntable 11 can retract and release the cable 12 by rotating, which can effectively prevent the cable from being pulled off.

[0029] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A gantry crane trolley cable anti-pull device, comprising a fixing plate (1), characterized in that: A lifting assembly is provided at the bottom of the fixed plate (1); a telescopic rod (2) is fixedly connected inside the fixed plate (1); the telescopic end of the telescopic rod (2) is fixedly connected to a movable plate (3); both the front and rear sides of the movable plate (3) are fixedly connected to a limiting plate (4); a threaded rod (5) is threadedly connected inside the limiting plate (4); a cylindrical gear (6) is fixedly connected to the outer periphery of the threaded rod (5); two worm gears (8) are rotatably connected inside one side of the fixed plate (1); a cylindrical gear (7) is fixedly connected to the outer periphery of the worm gear (8); the cylindrical gear (7) is meshingly connected to the cylindrical gear (6); A rotating shaft (9) is rotatably connected to both the front and rear sides of the fixed plate (1), a worm gear (10) is fixedly connected to the outer periphery of the rotating shaft (9), the worm (8) is meshingly connected to the worm gear (10), a rotating disk (11) is fixedly connected to the outer periphery of the rotating shaft (9), the outer periphery of the limiting plate (4) is slidably connected to the inside of the fixed plate (1), a cable (12) is sleeved on the outer periphery of the rotating disk (11), the end of the cable (12) away from the rotating disk (11) is slidably connected to a protective plate (13), and the side of the protective plate (13) away from the cable (12) is fixedly connected to one side of the movable plate (3).

2. The cable anti-pull device for a gantry crane trolley according to claim 1 is characterized in that: The lifting assembly comprises a plurality of lifting plates (21), the top of the lifting plate (21) is fixedly connected to the bottom of the fixed plate (1), the bottom end of the lifting plate (21) is slidably connected to a support plate (22), the bottoms of two adjacent support plates (22) are fixedly connected to a connecting plate (23), the front side of the connecting plate (23) is fixedly connected to a second protective cover (24), the inside of the second protective cover (24) is fixedly connected to a second motor (25), the driving end of the second motor (25) is fixedly connected to a second rotating shaft (26), the outer periphery of the second rotating shaft (26) is fixedly connected to two first bevel gears (27), the inside of the lifting plate (21) is threadedly connected to a second threaded rod (29), the bottom end of the second threaded rod (29) is fixedly connected to a second bevel gear (28), and the second bevel gear (28) is meshingly connected to the second threaded rod (29).

3. The cable anti-pull device for a gantry crane trolley according to claim 1 is characterized in that: A control panel (14) is fixedly connected to one side of the top of the protection panel (13).

4. The cable anti-pull device for a gantry crane trolley according to claim 3 is characterized in that: A control line (15) is fixedly connected to one side of the control board (14), and one end of the control line (15) away from the control board (14) is fixedly connected to the inside of the movable board (3).

5. The cable anti-pull device for a gantry crane trolley according to claim 1 is characterized in that: A protective cover (16) is fixedly connected to the side of the movable plate (3) away from the telescopic rod (2); a motor (17) is fixedly connected inside the protective cover (16); a turntable (18) is fixedly connected to the driving end of the motor (17); and two suspension wires (19) are sleeved around the outer periphery of the turntable (18).

6. The device for preventing the traveling cable of a gantry crane trolley from pulling out according to claim 5 is characterized in that: The bottom end of the suspension wire (19) is fixedly connected with a hook (20).

7. The device for preventing the traveling cable of a gantry crane trolley from pulling out according to claim 2 is characterized in that: Wheels (31) are fixedly connected to both the front and rear sides of the bottom of the connecting plate (23).

8. The cable anti-pull device for a gantry crane trolley according to claim 2 is characterized in that: The bottom end of the lifting plate (21) is fixedly connected to a second limiting plate (30), and the outer periphery of the second limiting plate (30) is slidably connected to the inside of the supporting plate (22).

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