A hoisting structure for a double-door type crane

Abstract

The utility model belongs to crane technical field especially, is a kind of hoisting structure for double-door crane, when hoisting height is larger, the winding length of steel cable is longer, to increase the abrasion of steel cable and hoisting time problem, present and propose following scheme, including double-door hanger, the top of the inner wall of double-door hanger is symmetrically provided with two mounting brackets, winding roller is rotatably installed in mounting bracket, steel cable is wound on winding roller. The utility model when using, the introduction of auxiliary jacking assembly makes when hoisting height is larger, the winding length of steel cable can be reduced by lifting the overall height of hanger, to reduce hoisting time and the abrasion of steel cable;The design of multiple-hook hoisting assembly can lift multiple lifting ropes on long strip-shaped workpiece at a time, reduce the required equipment quantity, improve work efficiency.

Description

TECHNICAL FIELD

[0001] The utility model relates to a crane technical field especially relates to a double -door hoist structure for crane. BACKGROUND

[0002] In the industrial plant, double -door crane is used to hoist production equipment, raw materials and finished products etc.

[0003] In the machinery manufacturing factory, double -door crane can hoist large -scale machine tool equipment to installation position, or hoist the spare part of processing to assembly area.

[0004] For the above problems, the utility model discloses a double -door hoist structure for crane. CONTENT

[0005] The utility model provides a double -door hoist structure for crane, solved the existing technology when the height of hoisting is big, the length of winding of steel cable is long, thereby increased the wear and tear of steel cable and the hoisting time's shortcoming.

[0006] The utility model provides the following technical scheme:

[0007] A double -door hoist structure for crane, comprising:

[0008] Double -door hanger, the top of the inner wall of double -door hanger is provided with two mounting frames symmetrically, winding roller is rotatably installed in the mounting frame, and steel cable is wound on the winding roller.

[0009] Multi -hook hoisting assembly is arranged on the bottom end of steel cable and is used for hoisting the lifting rope of long strip -shaped workpiece.

[0010] Auxiliary jacking assembly is arranged on double -door hanger and is used for reducing the winding length required by steel cable.

[0011] Synchronous adjustment assembly is arranged on double -door hanger and is used for synchronous adjustment of the spacing of two mounting frames.

[0012] In a possible design, the multi -hook hoisting assembly includes the work type suspension bracket of hooking on the bottom end of steel cable, chain is hung at the four corners of work type suspension bracket, and the other end of chain is provided with the matched use of anti -drop hook.

[0013] In a possible design, the auxiliary jacking assembly comprises two support plates slidingly mounted at the two ends of the bottom of the double-door type lifting frame, and a hydraulic cylinder is fixedly arranged on the inner wall of the support plate, and the output end of the hydraulic cylinder is fixedly connected with the corresponding cross beam of the bottom frame of the double-door type lifting frame.

[0014] In a possible design, the bottom of the support plate is fixedly provided with a bottom plate, a plurality of rollers are equidistantly arranged on the bottom of the bottom plate, and protective baffle plates are fixedly arranged at the two ends of the bottom plate to prevent foreign matters in the slide rail from affecting the movement of the rollers.

[0015] In a possible design, the bottom of the support plate is fixedly provided with a bottom plate, a plurality of rollers are equidistantly arranged on the bottom of the bottom plate, and protective baffle plates are fixedly arranged at the two ends of the bottom plate to prevent foreign matters in the slide rail from affecting the movement of the rollers.

[0016] In a possible design, the motor on the outer wall of the mounting frame smoothly drives the rotation of the winding roller through the corresponding speed reducer.

[0017] It should be understood that the above general description and the following detailed description are only exemplary and do not limit the present application.

[0018] The working principle and use process of the technical solution are as follows:

[0019] In use, ensure that all components of the double-door type crane lifting structure are installed and in good condition, check the power connection and lubrication of key components such as the motor, speed reducer, hydraulic cylinder, and adjust the distance between the two mounting frames through the synchronous adjustment assembly according to the size and weight of the long strip-shaped workpiece to be lifted, start the drive motor, drive the bidirectional threaded rod to rotate, and make the two T-shaped slides and the mounting frames connected therewith move synchronously to the required position, then hang the lifting ropes on the long strip-shaped workpiece on the anti-dropping hooks of the multi-hook lifting assembly, ensure that the lifting ropes are firmly and evenly distributed, and prepare for lifting, then start the motor on the outer wall of the mounting frame through the control system, the motor smoothly drives the winding roller to rotate through the speed reduction effect of the speed reducer, as the winding roller rotates, the steel cable wound thereon gradually loosens, preparing for lifting operation, when the steel cable loosens to an appropriate length, the work-type suspension frame at the bottom end of the steel cable descends, at this time, the operator can hang the anti-dropping hooks on the chains at the four corners of the work-type suspension frame on the lifting ropes on the long strip-shaped workpiece one by one, after ensuring that all the hooks are firmly connected, continue to drive the winding roller to rotate through the motor, and tighten the steel cable, thereby lifting the long strip-shaped workpiece.

[0020] If the workpiece is heavy or the hoisting height requirement is high, the auxiliary jacking assembly can be started to push or pull the bottom beam of the double-door type lifting frame by controlling the extension and retraction of the hydraulic cylinder, so that the lifting frame as a whole is lifted to a certain height, thereby improving the hoisting height, reducing the hoisting time and the wear of the steel cable without increasing the length of the steel cable.

[0021] The utility model has the advantages of the following:

[0022] The utility model discloses a multi-hook hoisting assembly, which can lift multiple lifting ropes on a long strip-shaped workpiece at one time, reduces the number of required equipment, improves work efficiency, and ensures the stability and safety of the long strip-shaped workpiece during hoisting through the cooperation of the I-shaped suspension frame and the anti-falling hook, preventing the workpiece from falling during hoisting.

[0023] The auxiliary jacking assembly in the utility model can reduce the length of the steel cable by lifting the overall height of the lifting frame when the hoisting height is large, thereby reducing the hoisting time and the wear of the steel cable.

[0024] The utility model discloses a clever design and reasonable layout, realize the stable, efficient hoisting of long strip-shaped workpiece, improve the work efficiency and safety of the crane. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 A three-dimensional structure diagram of the hoisting structure for the double-door type crane is provided in the utility model embodiment.

[0026] Figure 2 A synchronous adjustment assembly structure diagram of the hoisting structure for the double-door type crane is provided in the utility model embodiment.

[0027] Figure 3 A multi-hook hoisting assembly structure diagram of the hoisting structure for the double-door type crane is provided in the utility model embodiment.

[0028] Figure 4 An auxiliary jacking assembly structure diagram of the hoisting structure for the double-door type crane is provided in the utility model embodiment.

[0029] Figure 5 A T-shaped slide structure diagram of the hoisting structure for the double-door type crane is provided in the utility model embodiment.

[0030] 1, double door type hanger; 2, mounting frame; 3, winding roller; 4, speed reducer; 5, steel cable; 6, motor; 7, I-shaped suspension frame; 8, chain; 9, anti-falling hook; 10, support plate; 11, hydraulic cylinder; 12, bottom plate; 13, roller; 14, protective baffle; 15, support block; 16, two-way threaded rod; 17, T-shaped slide; 18, driving motor; 19, mounting groove. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0032] In the description of the present application, it should be understood that the terms "opening", "upper", "middle", "length", "inner" and the like indicate the orientation or positional relationship, which are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the indicated components or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0033] In order to keep the following description of the embodiments of the present application clear and concise, the present application omits the detailed description of known functions and known components.

[0034] Embodiment one

[0035] Please refer to Figures 1-5 A lifting structure, comprising:

[0036] The double door type hanger 1 is used as a support frame of the overall structure, two mounting frames 2 are symmetrically installed on the inner wall top of the double door type hanger 1, the two mounting frames 2 are located at the bottom of the hanger, and are used to support and drive the rotation of the winding roller 3. In the interior of each mounting frame 2, a winding roller 3 is installed through a bearing or the like rotating connecting piece. In order to drive the rotation of the winding roller 3, a motor 6 is installed on the outer wall of each mounting frame 2, the motor 6 is connected with the winding roller 3 through a speed reducer 4, so as to realize the stable rotation of the winding roller 3. A steel cable 5 is wound on the winding roller 3, and through the forward and reverse rotation control of the motor 6, the winding and unwinding of the steel cable 5 can be realized, so as to control the lifting height.

[0037] The multi-hook lifting assembly is arranged at the bottom end of the steel cable 5 and is used for lifting the lifting rope sleeved on the long strip-shaped workpiece, mainly comprises a work-shaped hanging frame 7, a chain 8 and a anti-falling hook 9, the work-shaped hanging frame 7 is fixed at the end of the steel cable 5 through a specific connection mode, four chains 8 are respectively hung at the four corners of the work-shaped hanging frame 7, and the other end of each chain 8 is provided with the anti-falling hook 9, the anti-falling hooks 9 are specially designed for hooking and firmly locking the lifting rope on the long strip-shaped workpiece, so that the stability and safety in the lifting process are ensured.

[0038] The auxiliary jacking assembly is arranged on the double-door type lifting frame 1 and is used for reducing the required winding length of the steel cable 5 and improving the lifting efficiency, the assembly comprises two support plates 10 which are slidingly arranged at the two ends of the bottom of the double-door type lifting frame 1, the inner wall of each support plate 10 is fixedly provided with a hydraulic cylinder 11, the output end of the hydraulic cylinder 11 is connected with the corresponding bottom frame cross beam of the double-door type lifting frame 1, when the hydraulic cylinder 11 works, the telescopic action can push or pull the bottom frame cross beam, so that the double-door type lifting frame 1 is lifted or lowered as a whole, and the auxiliary jacking effect is achieved.

[0039] The synchronous adjustment assembly is arranged on the double-door type lifting frame 1 and is used for synchronously adjusting the distance between the two mounting frames 2, the synchronous adjustment assembly comprises a support block 15 which is fixedly arranged on the inner wall top of the double-door type lifting frame 1, the bottom of the support block 15 is provided with a mounting groove 19, the two ends of the inner wall of the mounting groove 19 are rotatably provided with a same bidirectional screw rod 16, the outer wall of the support block 15 is fixedly provided with a driving motor 18 which is used for driving the bidirectional screw rod 16 to rotate, the bidirectional screw rod 16 is symmetrically and screwedly connected with two earth-shaped sliding blocks 17 which are used in pairs, the side wall of the mounting groove 19 is provided with a sliding groove which is slidingly connected with the two sides of the earth-shaped sliding block 17, and the bottom of the earth-shaped sliding block 17 is fixedly connected with the top of the corresponding mounting frame 2, when the driving motor 18 rotates, the bidirectional screw rod 16 drives the two earth-shaped sliding blocks 17 to synchronously move, so that the distance between the two mounting frames 2 is adjusted.

[0040] The application can be used in the double-door type crane and can be used in other fields applicable to the application.

[0041] Embodiment two

[0042] On the basis of embodiment one, improvements are made:

[0043] A lifting structure for a double-door type crane, which is applied in the field of cranes;

[0044] Please refer to Figure 1In order to enhance the flexibility and mobility of the auxiliary jacking assembly, the bottom of each support plate 10 is fixedly provided with a bottom plate 12, and the bottom of the bottom plate 12 is equidistantly installed with a plurality of rollers 13, which allow the support plate 10 to smoothly slide on the track or the ground, facilitating the adjustment of the position. The two ends of the bottom plate 12 are also fixedly provided with protective baffles 14 to prevent foreign matters in the slide rail from affecting the normal movement of the rollers 13, ensuring the stability and safety of the equipment.

[0045] However, as known by those skilled in the art, the working principles and wiring methods of the speed reducer 4, the motor 6, the hydraulic cylinder 11 and the driving motor 18 are common, which belong to conventional means or common general knowledge, and will not be described here. Those skilled in the art can make any selection or arrangement according to their needs or convenience.

[0046] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art can easily think of changes or substitutions within the technical range disclosed by the present application, which should be covered by the protection scope of the present application. In the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A hoisting structure for a double-gated crane, characterized by comprising: Include: Double door type hanging bracket (1), the top of the inner wall of the double door type hanging bracket (1) is symmetrically provided with two mounting frames (2), the mounting frames (2) are rotatably installed with winding rollers (3), and the winding rollers (3) are wound with steel wires (5); Multi-hook lifting assembly arranged on the bottom end of the steel wire (5) is used for lifting the lifting rope arranged on the long strip-shaped workpiece; Auxiliary jacking assembly arranged on the double door type hanging bracket (1) is used for reducing the required winding length of the steel wire (5); Synchronous adjustment assembly arranged on the double door type hanging bracket (1) is used for synchronously adjusting the spacing of the two mounting frames (2).

2. The hoisting structure for a double door type crane according to claim 1, characterized in that, The multi-hook lifting assembly includes a work-shaped suspension bracket (7) arranged at the bottom end of the steel wire (5), chain (8) is arranged at the four corners of the work-shaped suspension bracket (7), and the other end of the chain (8) is provided with a matched anti-dropping hook (9).

3. The hoisting structure for a double door type crane according to claim 1, characterized in that, The auxiliary jacking assembly includes two support plates (10) slidably installed at the two ends of the bottom of the double door type hanging bracket (1), the inner wall of the support plate (10) is fixedly provided with a hydraulic cylinder (11), and the output end of the hydraulic cylinder (11) is fixedly connected with the corresponding chassis cross beam of the double door type hanging bracket (1).

4. The hoisting structure for a double door type crane according to claim 3, characterized in that, The synchronous adjustment assembly includes a support block (15) fixedly arranged on the inner wall of the top of the double door type hanging bracket (1), the bottom of the support block (15) is provided with a mounting groove (19), the two ends of the inner wall of the mounting groove (19) are rotatably installed with a same bidirectional screw rod (16), the outer wall of the support block (15) is fixedly installed with a driving motor (18) for driving the bidirectional screw rod (16) to rotate, and the bidirectional screw rod (16) is symmetrically and threadedly connected with two matched T-shaped sliding seats (17).

5. The hoisting structure for a double door type crane according to claim 3, wherein The bottom of the support plate (10) is fixedly provided with a bottom plate (12), a plurality of rollers (13) are installed at equal intervals on the bottom of the bottom plate (12), and protective baffles (14) are fixedly arranged at the two ends of the bottom plate (12) to avoid the influence of foreign matters in the slide rail on the movement of the rollers (13).

6. The hoisting structure for a double door type crane according to claim 1, wherein The motor (6) on the outer wall of the mounting frame (2) stably drives the winding roller (3) to rotate by connecting the corresponding speed reducer (4).

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