Retractable and adjustable maintenance cage

By designing a retractable and adjustable maintenance cage, the shrink reel, displacement reel and slide rail components are used to solve the problem of difficulty in adjusting the position of the maintenance cage, achieving flexible distance adjustment and space saving of the cage, reducing safety hazards .

CN222276310UActive Publication Date: 2024-12-31SHANGHAI DONGPU HOISTING MASCH CO LTD
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Patent Information

Application Number
CN202323577625.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-12-27
Publication Date
2024-12-31
Estimated Expiration
2033-12-27

AI Technical Summary

Technical Problem

During the crane operation, the position of the maintenance cage is difficult to adjust flexibly, resulting in collisions with sliding lines, wheels and other components and improper use of space, which increases damage and safety hazards.

Method used

A retractable adjustment and maintenance cage including shrink reels, displacement reels, slide rail components and hanging cage components are designed. The steel ropes are retracted and placed by manual or motor drives, and the pulleys and limit tracks are used to achieve the freedom of hanging cages. Adjust and achieve folding and stability of the hanging cage through positioning movable rods and staggered positioning rods.

Benefits of technology

It realizes flexible distance adjustment of the cage, reduces collision with the environment, reduces safety risks, and improves the stability of use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of building machinery, in particular to a maintenance cage capable of being telescopically adjusted. The maintenance cage comprises a walking board, a contraction reel is fixedly installed on the left side of the upper end face of the walking board, a winding steel rope is wound around the contraction reel, a displacement reel is fixedly installed in the middle of the upper end face of the walking board, and two sets of displacement steel ropes are wound around the displacement reel. A sliding rail assembly is fixedly installed on the right side of the lower end face of the walking platform. A slidable cage assembly is arranged on the lower side of the sliding rail assembly. When the lifting cage assembly is used, the displacement reel is manually rotated or rotated by an external control machine, so that the two groups of displacement steel ropes are wound and unwound, the lifting cage assembly is integrally placed under the guide of the wire guide wheel and the vertical guide wheel, and the pulley of the lifting cage seat on the lifting cage can be pulled to directionally slide on the limiting rail; therefore, the distance between the cage and a wheel, a slide wire and the like needing to be maintained can be freely adjusted, and maintenance work can be conveniently carried out.
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Description

Technical Field

[0001] The utility model relates to the field of construction machinery, in particular to a telescopic and adjustable maintenance cage. Background Art

[0002] The commonly used tailings cage is installed under the sliding wire platform. Since the sliding wire, wheels and other parts need to be repaired, the nearby objects need to be repaired. However, during the operation of the crane, the proximity distance needs to be controlled to avoid collision with the parts. Therefore, the position of the cage needs to be considered in advance during production and installation. Secondly, the height of the cage itself and the distance between its bottom and the factory workshop equipment on the ground need to be considered to avoid collision and damage during operation. Therefore, those skilled in the art provide a retractable and adjustable maintenance cage to solve the problems raised in the above background technology. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a retractable and adjustable maintenance cage, including a walkway, a retraction reel is fixedly installed on the left side of the upper end surface of the walkway, a winding steel rope is wound on the retraction reel, a displacement reel is fixedly installed in the middle of the upper end surface of the walkway, two groups of displacement steel ropes are wound on the displacement reel, a slide rail assembly is fixedly installed on the right side of the lower end surface of the walkway, a slidable cage assembly is arranged on the lower side of the slide rail assembly, the left and right ends of the top of the cage assembly are respectively connected to the other end of the fixed displacement steel rope, and the bottom left end of the cage assembly is fixedly connected to the other end of the winding steel rope.

[0004] Preferably, the retractable reel and the displacement reel are rotated by rotating the handle, and an external motor can also be used to drive the retraction and extension work.

[0005] Preferably: a lower opening is provided on the right side of the upper end surface of the walkway, and the lower opening is arranged corresponding to the cage assembly, so as to facilitate maintenance personnel to enter the cage assembly.

[0006] Preferably: the slide rail assembly includes a slide rail frame, a slide rail seat, a limit rail, a wire pulley, a wheel guide seat and a vertical guide wheel. The slide rail seat is fixedly installed on the upper end of the slide rail frame near the dead angle, and the slide rail seat is fixed to the walkway by bolts. A limit rail is symmetrically provided on the lower end of the slide rail frame in the front and rear directions. A plurality of laterally arranged wire pulleys are symmetrically fixedly installed on the lower end surface of the slide rail frame in the left and right directions. A wheel guide seat is fixedly installed on the left end of the slide rail frame, and a plurality of vertical guide wheels are fixedly installed on the left side of the wheel guide seat. The displacement steel rope passes through the wire pulley and the vertical guide wheel fixed on the cage assembly and is rewound and tightened through the displacement reel.

[0007] Preferably: the cage assembly includes a cage seat, a pulley, a cage main rod, a cage base, a positioning movable rod and a positioning rod. The left end of the cage base is fixedly connected to the winding steel rope, and the upper end of the cage base is equipped with a cage main rod that can rotate left and right at the four corners. The other end of the cage main rod is movably equipped with a cage seat. The cage assembly uses four cage seats as four corner fixing points, and a number of pulleys are fixedly installed on the upper end of the cage seat, and the pulleys are arranged to slide corresponding to the limit rails.

[0008] Preferably: the main rods of the cage are equidistantly and movably connected by a plurality of positioning movable rods, and the cage body can be folded and scaled by utilizing the principle that a parallelogram can be diagonally brought together. Staggered positioning rods are symmetrically arranged front to back between the diagonally adjacent positioning movable rods on the top side, and bayonet holes are provided at both ends of the positioning rods to facilitate corresponding bayonet connection with the positioning movable rods.

[0009] Technical effects and advantages of the utility model:

[0010] 1. When the utility model is used, the displacement reel is rotated manually or by an external control machine to make the two sets of displacement steel ropes retract and release. Under the guidance of the wire pulley and the vertical guide wheel, the cage assembly is placed as a whole, and the pulley of the cage seat on the cage can be pulled to slide in a directional manner on the limit track, so that the distance between the cage and the wheels, sliding wires, etc. that need to be repaired can be freely adjusted, which is convenient for the maintenance work.

[0011] 2. When the utility model is used, the retractable reel is rotated to lower the winding steel rope. Under the influence of the gravity of the high-quality cage base, the cage body will be deformed through the parallelogram formed between the positioning active rod and the cage main rod, and the cage body will be unfolded in a suspended manner for easy use. After being folded, it can effectively save the space at the bottom of the walkway, reduce contact and collision with the external environment, and reduce safety hazards.

[0012] 3. When the utility model is used, staggered positioning rods are arranged between diagonally adjacent positioning rods for bayonet fixing, which is convenient for corresponding bayonet connection with the positioning rods. After the cage is lowered, the secondary movement of the cage is prevented, the corresponding stability is increased, and the safety of the user is ensured. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure provided by this application;

[0014] Figure 2 It is a schematic diagram of the extension of the cage provided by the present application;

[0015] Figure 3 is a structural schematic diagram of the slide rail assembly provided by the present application;

[0016] Figure 4 It is a structural schematic diagram of the cage assembly provided by the present application;

[0017] In the figure: 1. Walkway; 2. Retracting reel; 3. Displacement reel; 4. Lower opening; 5. Slide rail assembly; 6. Cage assembly; 7. Displacement steel rope; 8. Rewinding steel rope;

[0018] 51. Slide rail frame; 52. Slide rail seat; 53. Limit rail; 54. Guide wheel; 55. Wheel guide seat; 56. Vertical guide wheel;

[0019] 61. Cage seat; 62. Pulley; 63. Cage main rod; 64. Cage base; 65. Positioning rod; 66. Positioning rod. DETAILED DESCRIPTION

[0020] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific purposes.

[0021] See also Figures 1 to 4 In the present embodiment, a retractable and adjustable maintenance cage is provided, including a walkway 1, a retractable reel 2 is fixedly installed on the left side of the upper end surface of the walkway 1, and a retracting steel rope 8 is wound on the retractable reel 2, a displacement reel 3 is fixedly installed in the middle of the upper end surface of the walkway 1, and two groups of displacement steel ropes 7 are wound on the displacement reel 3, the retractable reel 2 and the displacement reel 3 are rotated by turning the handle, and an external motor can also be used to drive the retraction and release work, a slide rail assembly 5 is fixedly installed on the right side of the lower end surface of the walkway 1, and a slidable cage assembly 6 is arranged on the lower side of the slide rail assembly 5, a lower opening 4 is opened on the right side of the upper end surface of the walkway 1, and the lower opening 4 is arranged corresponding to the cage assembly 6, so that maintenance personnel can enter the cage assembly 6 conveniently, the left and right ends of the top of the cage assembly 6 are respectively connected to the other end of the fixed displacement steel rope 7, and the bottom left end of the cage assembly 6 is fixedly connected to the other end of the retracting steel rope 8;

[0022] The slide rail assembly 5 includes a slide rail frame 51, a slide rail seat 52, a limit rail 53, a guide wheel 54, a wheel guide seat 55 and a vertical guide wheel 56. The slide rail seat 52 is fixedly installed near the blind spot at the upper end of the slide rail frame 51, and the slide rail seat 52 is fixed to the walkway 1 by bolts. The lower end of the slide rail frame 51 is provided with a limit rail 53 symmetrically front and rear. A plurality of laterally arranged guide wheels 54 are fixedly installed symmetrically on the lower end surface of the slide rail frame 51. A wheel guide seat 55 is fixedly installed on the left end of the slide rail frame 51, and a plurality of vertical guide wheels 56 are fixedly installed on the left side of the wheel guide seat 55. The displacement steel rope 7 passes through the suspension cage assembly 6 and is rewound and tightened through the displacement reel 3 via the guide wheel 54 and the vertical guide wheel 56.

[0023] The cage assembly 6 includes a cage seat 61, a pulley 62, a cage main rod 63, a cage base 64, a positioning movable rod 65 and a positioning rod 66. The left end of the cage base 64 is fixedly connected to the winding rope 8. The upper end of the cage base 64 is equipped with a cage main rod 63 that can rotate left and right near the four corners. The other end of the cage main rod 63 is movably equipped with a cage seat 61. The cage assembly 6 uses four cage seats 61 as four corner fixing points. A plurality of pulleys 62 are fixedly installed on the upper end of the cage seat 61. The pulleys 62 are connected to the limit rails. A sliding is arranged corresponding to the path 53, and a plurality of positioning movable rods 65 are used to connect the main rods 63 of the cage at equal intervals. The main body of the cage can be folded and scaled by utilizing the principle that a parallelogram can be diagonally brought together. Staggered positioning rods 66 are symmetrically arranged front and back between the positioning movable rods 65 diagonally adjacent to the top side. Snap-ons are provided at both ends of the positioning rods 66 to facilitate corresponding snap-on connection with the positioning movable rods 65. After the cage is lowered, secondary movement of the cage is prevented, the corresponding stability is increased, and the safety of the user is ensured.

[0024] The working principle of the utility model is:

[0025] When the utility model is used, the displacement reel 3 is rotated manually or by an external control machine to rotate the displacement reel 3, so that the two sets of displacement steel ropes 7 can be retracted and released. Under the guidance of the wire wheel 54 and the vertical guide wheel 56, the cage assembly 6 is placed as a whole, and the pulley 62 of the cage seat 61 on the cage can be pulled to slide in a directional manner on the limiting track 53, so that the distance between the cage and the wheel, sliding line, etc. that need to be repaired can be freely adjusted, which is convenient for the maintenance work; secondly, the retraction reel 2 is rotated to lower the winding steel rope 8. Affected by the gravity of the high-quality cage base 64, the cage body will be deformed through the parallelogram formed between the positioning active rod 65 and the cage main rod 63, and the cage body will be unfolded in a suspended manner. Finally, the positioning rod 66 is staggered and engaged on the lower positioning active rod 65 to stabilize it, which is convenient for use. After actual folding, it can effectively save the space at the bottom of the walkway 1, reduce contact and collision with the external environment, and reduce safety hazards.

[0026] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the present invention. Structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to conventional means in the field unless otherwise specified and limited.

Claims

1. A telescopically adjustable maintenance cage, comprising a platform (1), characterized in that: A retractable reel (2) is fixedly mounted on the left side of the upper end surface of the walkway (1), and a retractable steel rope (8) is wound on the retractable reel (2); a displacement reel (3) is fixedly mounted in the middle of the upper end surface of the walkway (1), and two groups of displacement steel ropes (7) are wound on the displacement reel (3); a slide rail assembly (5) is fixedly mounted on the right side of the lower end surface of the walkway (1), and a slidable cage assembly (6) is arranged on the lower side of the slide rail assembly (5); the left and right ends of the top of the cage assembly (6) are respectively connected to the other end of the fixed displacement steel rope (7), and the left end of the bottom of the cage assembly (6) is fixedly connected to the other end of the retractable steel rope (8).

2. A telescopic and adjustable maintenance cage according to claim 1, characterized in that: The retractable reel (2) and the displacement reel (3) are rotated by rotating the handle, and can also be driven by an external motor to retract and release.

3. The telescopic and adjustable maintenance cage according to claim 1, characterized in that: A lower opening (4) is provided on the right side of the upper end surface of the walking platform (1), and the lower opening (4) is arranged corresponding to the cage assembly (6), so as to facilitate maintenance personnel to enter the cage assembly (6).

4. The telescopic and adjustable maintenance cage according to claim 1, characterized in that: The slide rail assembly (5) comprises a slide rail frame (51), a slide rail seat (52), a limit rail (53), a guide wheel (54), a wheel guide seat (55) and a vertical guide wheel (56). The slide rail seat (52) is fixedly installed at the upper end of the slide rail frame (51) near the dead angle. The slide rail seat (52) is fixed to the walkway (1) by bolts. The lower end of the slide rail frame (51) is provided with a limit rail (53) symmetrically arranged in front and back. A plurality of guide wheels (54) arranged laterally are fixedly installed in a left-right symmetrical manner on the lower end surface of the slide rail frame (51). A wheel guide seat (55) is fixedly installed at the left end of the slide rail frame (51). A plurality of vertical guide wheels (56) are fixedly installed on the left side of the wheel guide seat (55). The displacement steel rope (7) passes through the guide wheel (54) and the vertical guide wheel (56) fixed to the cage assembly (6) and is rewound and tightened through the displacement reel (3).

5. The telescopic and adjustable maintenance cage according to claim 1, characterized in that: The cage assembly (6) comprises a cage seat (61), a pulley (62), a cage main rod (63), a cage base (64), a positioning movable rod (65) and a positioning rod (66). The left end of the cage base (64) is fixedly connected to the winding rope (8). The upper end of the cage base (64) is equipped with a cage main rod (63) that can rotate left and right near the four corners. The other end of the cage main rod (63) is movably equipped with a cage seat (61). The cage assembly (6) uses four cage seats (61) as four corner fixing points. A plurality of pulleys (62) are fixedly installed on the upper end of the cage seat (61). The pulleys (62) are arranged to slide corresponding to the limit rails (53).

6. A telescopic and adjustable maintenance cage according to claim 5, characterized in that: The cage main rods (63) are equidistantly and movably connected by a plurality of positioning movable rods (65). The cage main body can be folded and scaled by utilizing the principle that a parallelogram can be diagonally brought together. Staggered positioning rods (66) are symmetrically arranged front and back between the positioning movable rods (65) diagonally adjacent to the top side. Both ends of the positioning rods (66) are provided with bayonet holes, so as to facilitate corresponding bayonet connection with the positioning movable rods (65).