Double-track trolley supporting and positioning device for crane

Abstract

The utility model relates to the technical field of double-track trolleys, and discloses a double-track trolley supporting and positioning device for a crane, which comprises a frame, cross beams are fixedly connected in the frame, supporting beams are fixedly connected on the inner sides of the cross beams, threaded cylinders are fixedly connected on the inner sides of the supporting beams, and the threaded cylinders are fixedly connected on the inner sides of the threaded cylinders. Threaded rods are in threaded connection with the interiors of the threaded cylinders, the threaded rods are in threaded connection with the interiors of the supporting beams, E-shaped clamps are arranged on the exteriors of the threaded rods, reinforcing rods are arranged on the inner sides of the E-shaped clamps, the reinforcing rods are arranged on the outer sides of the supporting beams, and nuts are in threaded connection with the exteriors of the threaded rods. According to the lifting device, the mountain-shaped clamps are matched with the threaded rods, so that the stability of the supporting beam is enhanced, the influence of shaking on the object lifting process of the crane is reduced, the telescopic rods and the anti-skid supports are arranged, the supporting range can be conveniently increased, and the stability of the lifting device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of double-track trolleys, in particular to a double-track trolley support and positioning device for a crane. Background Art

[0002] A double-track trolley is a transport vehicle used for cargo handling. It is designed with two parallel tracks for the vehicle to travel on. This type of vehicle is usually used in factories, warehouses, ports and other places to move and transport cargo in a limited space. Double-track trolleys usually have a strong carrying capacity and can carry various heavy goods or equipment.

[0003] It is designed to be flexible, can travel freely on the track, and can perform turning and positioning operations to adapt to different handling needs. It usually has a stable structural design to ensure that the goods are firmly placed during handling, and is equipped with safety devices to ensure safe and reliable operation.

[0004] The existing double-track trolley has no leveling device, which makes it difficult for the double-track trolley to ensure its own balance and easily causes the double-track trolley to tilt. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a double-track trolley support and positioning device for a crane, aiming to improve the problem in the prior art that the double-track trolley has no leveling device, making it difficult for the double-track trolley to ensure its own balance and easily causing the double-track trolley to tilt.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a double-track trolley support and positioning device for a crane, comprising a frame, the interior of the frame is fixedly connected with a cross beam, the inner side of the cross beam is fixedly connected with a support beam, the inner side of the support beam is fixedly connected with a threaded tube, the interior of the threaded tube is threadedly connected with a threaded rod, the threaded rod is threadedly connected to the interior of the support beam, the outside of the threaded rod is provided with a mountain-shaped clamp, the inner side of the mountain-shaped clamp is provided with a reinforcement rod, the reinforcement rod is provided on the outer side of the support beam, the outside of the threaded rod is threadedly connected with a nut, and the inner side of the frame is fixedly connected with a drive assembly.

[0007] Furthermore, the driving assembly includes a driving motor, the driving motor is fixedly connected to the inner side of the frame, the output end of the driving motor is fixedly connected to a driving gear, and the outside of the driving gear is meshedly connected to a driven gear.

[0008] Furthermore, a rotating shaft is fixedly connected inside the driven gear, the rotating shaft is rotatably connected inside the frame, and rollers are fixedly connected at both ends of the rotating shaft.

[0009] Furthermore, connecting plates are fixedly connected to both sides of the frame, and connecting rods are fixedly connected to the inner sides of the connecting plates.

[0010] Furthermore, the outside of the connecting rod is rotatably connected to the telescopic rod, and the inside of the telescopic rod is slidably connected to the telescopic frame.

[0011] Furthermore, the top of the connecting plate is threadedly connected with a fixing bolt, and the outside of the fixing bolt is threadedly connected to the inside of the telescopic rod.

[0012] Furthermore, the exterior of the telescopic rod is rotatably connected with a fixed knob.

[0013] Furthermore, a threaded knob is threadedly connected inside one end of the telescopic frame, and a non-slip support is fixedly connected to the bottom end of the threaded knob.

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

[0015] 1. In the utility model, two groups of threaded rods are threadedly connected inside the threaded barrel, and then the mountain-shaped clamp is arranged on the outside of the threaded rod, and two groups of reinforcement rods are placed on the inner side of the mountain-shaped clamp for reinforcement, and finally the threaded rod is locked by a nut to reinforce it, thereby reducing the possibility of the threaded barrel shaking between the two support beams and reducing the influence of the shaking on the process of lifting objects by the crane.

[0016] 2. In the utility model, the telescopic rod is movable and rotated by rotating the fixing bolt. When the telescopic rod is adjusted to a suitable position, the telescopic frame is extended by rotating the fixing knob. When it is extended to a specified length, the anti-slip support is propped up by rotating the threaded knob, thereby conveniently increasing the support range and improving the stability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a three-dimensional diagram of a double-track trolley support positioning device for a crane proposed in the utility model;

[0018] Figure 2 This is a partial structural expansion diagram of a double-track trolley support positioning device for a crane proposed by the utility model;

[0019] Figure 3 for Figure 1 Enlarged view of point A in the middle.

[0020] Legend:

[0021] 1. Frame; 2. Crossbeam; 3. Support beam; 4. Threaded tube; 5. Threaded rod; 6. Nut; 7. Mountain card; 8. Reinforcement rod; 9. Drive motor; 10. Connecting plate; 11. Connecting rod; 12. Telescopic rod; 13. Fixed knob; 14. Telescopic frame; 15. Threaded knob; 16. Anti-slip support; 17. Fixed bolt; 18. Driving gear; 19. Driven gear; 20. Rotating shaft; 21. Roller. DETAILED DESCRIPTION

[0022] 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.

[0023] Reference Figure 1 and Figure 2 The utility model provides an embodiment: a double-track trolley supporting and positioning device for a crane, comprising a frame 1, the interior of the frame 1 is fixedly connected with a cross beam 2, the inner side of the cross beam 2 is fixedly connected with a support beam 3, the inner side of the support beam 3 is fixedly connected with a threaded tube 4, the interior of the threaded tube 4 is threadedly connected with a threaded rod 5, the threaded rod 5 is threadedly connected to the interior of the support beam 3, the outside of the threaded rod 5 is provided with a mountain-shaped clamp 7, the inner side of the mountain-shaped clamp 7 is provided with a reinforcement rod 8, the reinforcement rod 8 is arranged on the outer side of the support beam 3, the outside of the threaded rod 5 is threadedly connected with a nut 6, the inner side of the frame 1 is fixedly connected with a drive assembly, the drive assembly comprises a drive motor 9, the drive motor 9 is fixedly connected to the inner side of the frame 1, the output end of the drive motor 9 is fixedly connected with a driving gear 18, and the outer side of the driving gear 18 is meshedly connected with a driven gear 19.

[0024] The cross beam 2 and the support beam 3 are used to support the frame 1, the threaded tube 4 is used to strengthen the strength of the support beam 3, the threaded rod 5 is used to install the mountain-shaped card 7 and reinforce the support beam 3, the reinforcement rod 8 is used to reinforce the support beam 3, the nut 6 is used to lock the mountain-shaped card 7, and the driving motor 9 is started to drive the driving gear 18, and the driving gear 18 drives the driven gear 19 to rotate.

[0025] Reference Figure 1 and Figure 3 The driven gear 19 is fixedly connected to a rotating shaft 20, which is rotatably connected to the inside of the frame 1. Both ends of the rotating shaft 20 are fixedly connected to rollers 21. Both sides of the frame 1 are fixedly connected to connecting plates 10, the inner sides of the connecting plates 10 are fixedly connected to connecting rods 11, the outer sides of the connecting rods 11 are rotatably connected to telescopic rods 12, and the inner sides of the telescopic rods 12 are slidably connected to telescopic frames 14.

[0026] The driven gear 19 rotates while driving the rotating shaft 20 , and the rotating shaft 20 drives the roller 21 to rotate. The connecting plate 10 is used to install the connecting rod 11 , and the connecting rod 11 is used to rotate the telescopic rod 12 , and the telescopic frame 14 is slidably connected inside the telescopic rod 12 .

[0027] Reference Figure 1 and Figure 3 The top of the connecting plate 10 is threadedly connected with a fixing bolt 17, the outside of the fixing bolt 17 is threadedly connected to the inside of the telescopic rod 12, the outside of the telescopic rod 12 is rotatably connected with a fixing knob 13, one end of the telescopic frame 14 is threadedly connected to the inside of a threaded knob 15, and the bottom end of the threaded knob 15 is fixedly connected to an anti-slip support 16.

[0028] The fixing bolt 17 is used to fix the connecting plate 10 and the telescopic rod 12, the fixing knob 13 is used to control the extension of the telescopic frame 14, and the rotation of the threaded knob 15 drives the anti-slip support 16 to move up and down.

[0029] Working principle: When using the device, two groups of threaded rods 5 are threadedly connected inside the threaded tube 4, and then the mountain-shaped card 7 is sleeved on the outside of the threaded rod 5, and two groups of reinforcing rods 8 are placed on the inner side of the mountain-shaped card 7 for reinforcement, and finally the threaded rod 5 is locked by the nut 6 for reinforcement, thereby reducing the possibility of the threaded tube 4 shaking between the two support beams 3, and reducing the impact of the shaking on the process of the crane lifting the object, and starting the driving motor 9 to drive the active gear 18 to rotate, and the active gear 18 rotates while driving the driven gear 19 and the rotating shaft 20 to rotate, and the rotating shaft 20 rotates to drive the roller 21 to roll, and when it moves to the specified position, the fixing bolt 17 is rotated to make the telescopic rod 12 movable and rotating, and when the telescopic rod 12 is adjusted to the appropriate position, the fixing knob 13 is rotated to extend the telescopic frame 14, and when it extends to the specified length, the threaded knob 15 is rotated to prop up the anti-slip support 16, so that the support range can be increased more conveniently, and the stability of the device is improved.

[0030] 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 double-track trolley support and positioning device for a crane, comprising a frame (1), characterized in that: The interior of the frame (1) is fixedly connected to a cross beam (2), the inner side of the cross beam (2) is fixedly connected to a support beam (3), the inner side of the support beam (3) is fixedly connected to a threaded tube (4), the interior of the threaded tube (4) is threadedly connected to a threaded rod (5), the threaded rod (5) is threadedly connected to the interior of the support beam (3), the exterior of the threaded rod (5) is provided with a mountain-shaped clamp (7), the inner side of the mountain-shaped clamp (7) is provided with a reinforcement rod (8), the reinforcement rod (8) is arranged on the outer side of the support beam (3), the exterior of the threaded rod (5) is threadedly connected to a nut (6), and the inner side of the frame (1) is fixedly connected to a drive assembly.

2. A double-track trolley support and positioning device for a crane according to claim 1, characterized in that: The driving assembly comprises a driving motor (9), wherein the driving motor (9) is fixedly connected to the inner side of the vehicle frame (1), an output end of the driving motor (9) is fixedly connected to a driving gear (18), and an outer portion of the driving gear (18) is meshingly connected to a driven gear (19).

3. A double-track trolley support and positioning device for a crane according to claim 2, characterized in that: The driven gear (19) is fixedly connected to a rotating shaft (20) inside, and the rotating shaft (20) is rotatably connected to the inside of the vehicle frame (1), and rollers (21) are fixedly connected to both ends of the rotating shaft (20).

4. A double-track trolley support and positioning device for a crane according to claim 1, characterized in that: Both sides of the vehicle frame (1) are fixedly connected with connecting plates (10), and the inner sides of the connecting plates (10) are fixedly connected with connecting rods (11).

5. A double-track trolley support and positioning device for a crane according to claim 4, characterized in that: The outside of the connecting rod (11) is rotatably connected to a telescopic rod (12), and the inside of the telescopic rod (12) is slidably connected to a telescopic frame (14).

6. A double-track trolley support and positioning device for a crane according to claim 4, characterized in that: The top of the connecting plate (10) is threadedly connected with a fixing bolt (17), and the outside of the fixing bolt (17) is threadedly connected to the inside of the telescopic rod (12).

7. A double-track trolley support and positioning device for a crane according to claim 5, characterized in that: The exterior of the telescopic rod (12) is rotatably connected to a fixed knob (13).

8. A double-track trolley support and positioning device for a crane according to claim 5, characterized in that: One end of the telescopic frame (14) is internally threadedly connected with a threaded knob (15), and the bottom end of the threaded knob (15) is fixedly connected with an anti-slip support (16).

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