Crane carriage with anti-tipping structure

Abstract

The utility model provides a crane carriage with an anti-tipping structure, which comprises two parallel cross beams, a carriage main body is arranged at the tops of the cross beams in a sliding manner, sliding rods are arranged on the inner sides of the cross beams along the moving direction of the carriage main body, a shaft seat is detachably and fixedly arranged at the bottom of the carriage main body, and a wheel shaft is rotatably arranged in the shaft seat. The two ends of the wheel shaft are rotationally provided with pulleys corresponding to the two sliding rods correspondingly. According to the utility model, the axle rotatably supported by the axle seat is additionally arranged at the top of the original trolley main body, the pulleys are fixedly arranged at the two ends of the axle, and the sliding rods corresponding to the upper sides of the pulleys are additionally arranged on the inner side of the cross beam, so that the trolley main body can be prevented from jumping and is not easy to tip over; the pulleys on the two sides of the trolley body are supported through the wheel shafts, the wheel shafts are rotationally supported at the bottom of the trolley body through the shaft seats, meanwhile, the sliding rod fixing frames are arranged on the inner sides of the cross beams, the pulleys and the sliding rods can be kept corresponding during operation, and stability is high.

Description

Technical Field

[0001] The utility model belongs to the technical field of cranes and specifically designs a lifting trolley with an anti-tilt structure. Background Art

[0002] Double-beam crane is a commonly used lifting equipment, which is mainly composed of bridge, trolley running mechanism, trolley, electrical equipment, etc. The trolley moves on the track on the top of the trolley through the wheel set. During the operation, the trolley jumps due to external forces, causing the crane trolley to slip off the track and overturn.

[0003] In the prior art, a Chinese utility model patent document with authorization announcement number CN219885492U discloses an anti-dumping structure for a lifting trolley. On the basis of the original lifting trolley, an anti-dumping structure consisting of an anti-dumping frame, a mounting plate, an anti-dumping bar and a ball bearing is symmetrically added. The structure moves with the movement of the lifting trolley. When the trolley is subjected to an upward force, the cooperation between the ball bearing and the base plate restricts the trolley from jumping upward, so that the trolley is always close to the track surface, thereby steadily and stably moving the trolley on the track to prevent the trolley from tipping over. However, it cannot be ignored that the stability of the anti-dumping frame is poor. When the trolley has a tendency to jump, the lower end of the anti-dumping frame is subjected to a downward force. The anti-dumping frame is easily deformed after being repeatedly subjected to the force, and there is a risk of separation between the ball bearing and the extension surface of the base plate.

[0004] Therefore, it is necessary to design a lifting trolley with an anti-tilt structure that improves the stability of the anti-tilt structure to solve the current technical problems. Summary of the invention

[0005] In view of the deficiencies in the prior art, the utility model provides a lifting trolley with an anti-tilt structure which improves the stability of the anti-tilt structure.

[0006] The technical solution of the utility model is: a lifting trolley with an anti-tipping structure, comprising two parallel cross beams, a trolley main body is slidably arranged on the top of the cross beams, and is characterized in that: a sliding rod is arranged on the inner side of the cross beam along the moving direction of the trolley main body, an axle seat is detachably fixedly arranged on the bottom of the trolley main body, a wheel axle is rotatably arranged inside the axle seat, and pulleys corresponding to the two sliding rods are rotatably arranged at both ends of the wheel axle.

[0007] A door frame is detachably fixedly arranged at the bottom of the trolley body, and the axle seat is detachably fixedly assembled at the bottom of the door frame by bolts.

[0008] Mounting plates are fixedly arranged on the outer sides of both ends of the door frame, and the mounting plates are detachably fixedly assembled on the bottom of the trolley body by bolts.

[0009] A reinforcing plate is arranged between the mounting plate and the end of the door frame.

[0010] Sliding rod supports are fixedly arranged at both ends of the sliding rod, and the ends of the sliding rod supports are fixedly connected to the inner side of the cross beam.

[0011] Upper support blocks are evenly arranged above the slide bar, the bottom of the upper support block abuts against the top of the slide bar, and the upper support block is fixedly connected to the inner side of the cross beam.

[0012] The bottom of the upper support block is provided with a slot matching the top of the slide bar, and the upper side of the slide bar is embedded in the slot.

[0013] Beneficial effects of the utility model:

[0014] (1) In the utility model, a wheel axle is added on the top of the original trolley body and supported by an axle seat for rotation. Pulleys are fixedly arranged at both ends of the wheel axle. At the same time, a sliding rod corresponding to the upper side of the pulley is added on the inner side of the crossbeam. When the trolley body moves on the crossbeam, the pulley moves along the sliding rod. When the trolley body is about to jump due to an upward force, the sliding rod cooperates with the pulley to prevent the trolley body from jumping, so that the trolley body can move stably on the crossbeam and is not easy to tip over.

[0015] (2) The pulleys on both sides of the trolley body are supported by axles, and the axles are rotatably supported at the bottom of the trolley body through axle seats. The pulleys are not easy to shift during operation. At the same time, the slide bar is fixed on the inner side of the crossbeam and is not easy to shift. During operation, the pulley and the slide bar can maintain correspondence, and the stability is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is one of the structural schematic diagrams of the lifting trolley with an anti-tipping structure in the utility model.

[0017] Figure 2 for Figure 1 A partial enlarged view of point A in the middle.

[0018] Figure 3 This is the second structural schematic diagram of the lifting trolley with anti-tipping structure in the utility model.

[0019] Figure 4 for Figure 3 A partial enlarged view of point B in the middle. DETAILED DESCRIPTION

[0020] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. The description of the exemplary embodiments is merely illustrative and is by no means intended to limit the present invention and its application or use. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. These embodiments are provided to make the present invention thorough and complete and to fully express the scope of the present invention to those skilled in the art. It should be noted that unless otherwise specifically stated, the relative arrangement of the components and steps, the composition of the materials, the numerical expressions and the numerical values ​​set forth in these embodiments should be interpreted as being merely exemplary and not as limiting.

[0021] The words "first", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different parts. The words "include" or "comprise" and similar words mean that the elements before the word include the elements listed after the word, and do not exclude the possibility of including other elements. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0022] like Figures 1 to 4 As shown, a lifting trolley with an anti-tilt structure comprises two parallel cross beams 1, a trolley body 2 is slidably arranged on the top of the cross beam 1, a slide bar 3 is arranged on the inner side of the cross beam 1 along the moving direction of the trolley body 2, the axial direction of the slide bar 3 is parallel to the moving direction of the trolley body 2, an axle seat 7 is detachably fixedly arranged on the bottom of the trolley body 2, a wheel axle 8 is rotatably arranged inside the axle seat 7, and pulleys 9 corresponding to the two slide bars 3 are arranged at both ends of the wheel axle 8; in this embodiment, a wheel axle 8 rotatably supported by the axle seat 7 is added to the top of the original trolley body 2, pulleys 9 are fixedly arranged at both ends of the wheel axle 8, and a slide bar 3 corresponding to the upper side of the pulley 9 is added on the inner side of the cross beam 1. When the trolley body 2 moves on the cross beam 1, the pulley 9 moves along the slide The rod 3 moves, and when the trolley body 2 is about to jump due to the upward force, the slide bar 3 cooperates with the pulley 9 to prevent the trolley body 2 from jumping, so that the trolley body 2 can move stably on the beam 1 and is not easy to tip over; the pulleys 9 on both sides of the trolley body 2 are supported by the axle 8, and the axle 8 is rotatably supported on the bottom 2 of the trolley body through the axle seat 7. The pulley 9 is not easy to deviate during operation, and the slide bar 3 is fixedly mounted on the inner side of the beam 1 and is not easy to deviate. During operation, the pulley 9 and the slide bar 3 can maintain correspondence, and the stability is high; in the implementation process, the axle seat 7, the axle 8 and the pulley 9 are set at the bottom of the trolley body 2, and the slide bar 3 is set on the inner side of the beam 1, which is convenient for the transformation of the existing crane.

[0023] In some embodiments, a door frame 6 is detachably fixedly provided at the bottom of the trolley body 2, and an axle seat 7 is detachably fixedly assembled at the bottom of the door frame 6 by bolts. The height of the door frame 6 can be determined according to the actual distance during the modification process, thereby ensuring good contact between the pulley 9 and the slide rod 3.

[0024] In some embodiments, mounting plates 62 are fixedly provided on the outer sides of both ends of the door frame 6, and the mounting plates 62 are detachably fixed and assembled on the bottom of the trolley body by bolts; specifically, the ends of the mounting plates 62 are welded and fixed to the outer sides of both ends of the door frame 6, and mounting holes are opened on the mounting plates 62. An internal threaded hole corresponding to the mounting hole is arranged inside the trolley body 2, and bolts are installed inside the mounting holes to match and assemble with the internal threaded holes to realize the installation and fixation between the door frame 6 and the trolley body 2.

[0025] In some embodiments, a reinforcing plate 61 is provided between the mounting plate 62 and the end of the door frame 6. The reinforcing plate 61 is a right-angled triangle plate structure. One right-angled side of the reinforcing plate 61 is welded and fixed to the end of the door frame 6, and the other right-angled side of the reinforcing plate 61 is welded and fixed to the mounting plate 62. The reinforcing plate 61 can enhance the stability of the door frame 6 and prevent it from shaking.

[0026] In some embodiments, slide rod supports 4 are fixedly provided at both ends of the slide rod 3, and the ends of the slide rod supports 4 are fixedly connected to the inner side of the beam 1; specifically, the ends of the slide rod supports 4 can be fixedly connected to the beam 1 by welding or bolt assembly.

[0027] In some embodiments, Figure 1 and 2 As shown, upper support blocks 5 are evenly arranged above the slide bar 3, the bottom of the upper support blocks 5 is against the top of the slide bar 3, the upper support blocks 5 are fixedly connected to the inner side of the cross beam 1, and the upper support blocks 5 add a fulcrum to the top of the slide bar 3 to enhance the slide bar 3's ability to resist deformation when subjected to an upward force.

[0028] In some embodiments, a slot 51 matching the top of the slide bar 3 is provided at the bottom of the upper support block 5, and the upper side of the slide bar 3 is embedded in the slot 51. The slot 51 can play a certain positioning role for the slide bar 3 in the horizontal direction, further improving its stability; specifically, the end of the upper support block 5 can be fixedly connected to the crossbeam 1 by welding or bolt assembly.

[0029] In the above embodiment, the slide bar 3 may adopt a hollow rod body. Compared with a solid rod body, the hollow rod body has better bending resistance and can prevent the slide bar 3 from being deformed during use.

[0030] So far, various embodiments of the present invention have been described in detail. In order to avoid obscuring the concept of the present invention, some details known in the art are not described. Based on the above description, those skilled in the art can fully understand how to implement the technical solution disclosed here.

[0031] The above-mentioned embodiments only express some implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A lifting trolley with an anti-tilt structure, comprising two parallel beams, a trolley body being slidably disposed on the top of the beams, characterized in that: A sliding rod is arranged on the inner side of the cross beam along the moving direction of the trolley body, and an axle seat is detachably fixedly arranged on the bottom of the trolley body. A wheel axle is rotatably arranged inside the axle seat, and pulleys corresponding to the two sliding rods are rotatably arranged at both ends of the wheel axle.

2. The lifting trolley with anti-tilt structure according to claim 1, characterized in that: A door frame is detachably fixedly arranged at the bottom of the trolley body, and the axle seat is detachably fixedly assembled at the bottom of the door frame by bolts.

3. The lifting trolley with anti-tilt structure according to claim 2, characterized in that: Mounting plates are fixedly arranged on the outer sides of both ends of the door frame, and the mounting plates are detachably fixedly assembled on the bottom of the trolley body by bolts.

4. The lifting trolley with an anti-tilt structure according to claim 3 is characterized in that: A reinforcing plate is arranged between the mounting plate and the end of the door frame.

5. The lifting trolley with an anti-tilt structure according to claim 1, characterized in that: Sliding rod supports are fixedly arranged at both ends of the sliding rod, and the ends of the sliding rod supports are fixedly connected to the inner side of the cross beam.

6. The lifting trolley with an anti-tilt structure according to claim 1, characterized in that: Upper support blocks are evenly arranged above the slide bar, the bottom of the upper support block abuts against the top of the slide bar, and the upper support block is fixedly connected to the inner side of the cross beam.

7. The lifting trolley with an anti-tilt structure according to claim 6, characterized in that: The bottom of the upper support block is provided with a slot matching the top of the slide bar, and the upper side of the slide bar is embedded in the slot.

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