CN211110749U

CN211110749U - Movable crane

Info

Publication number: CN211110749U
Application number: CN201921892533.XU
Authority: CN
Inventors: 吴长振; 吴少龙; 刘新平; 肖贺; 王益勤; 黄志勇; 禹燕生; 张立春
Original assignee: Anhui Conch Construction Materials Design Institute Co Ltd; Hunan Conch Cement Co Ltd
Current assignee: Anhui Conch Construction Materials Design Institute Co Ltd; Hunan Conch Cement Co Ltd
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2020-07-28
Anticipated expiration: 2029-11-05

Abstract

The utility model provides a mobile crane applied to the technical field of mine operation equipment, the mobile crane has a mobile platform (1) with a rear lower surface provided with a backward moving wheel (2), the front part of the mobile platform (1) is provided with a triangle part (3), the upper surface of the triangle part (3) is provided with a counterweight (4), the forward moving wheel (5) at the lower part of the triangle part (3) is movably connected with the mobile platform (1) through a connecting part (6), the connecting part (6) is provided with a pull rod (7), the upper surface at the rear part of the mobile platform (1) is provided with a lifting part base (8), the lifting part base (8) is provided with a lifting arm (9), the lifting arm (9) is connected with the lifting part base (8) through a telescopic oil cylinder (10), the mobile crane can be conveniently used for dismounting, lifting and transferring engineering machinery maintenance equipment accessories, therefore, the device is conveniently applied to narrow operation space, and the convenience of mine operation is improved.

Description

Movable crane

Technical Field

The utility model belongs to the technical field of mine operation equipment, more specifically say, relate to a portable crane that plays.

Background

The large-scale open mine engineering machinery and the transportation vehicles are large-scale equipment, the daily maintenance workload is large, and a large-scale crane cannot be used in a maintenance plant or in a narrow operation space, so that many objects are very inconvenient to lift and transport, and the efficiency is affected.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: the movable crane is simple in structure, can be conveniently used for dismounting, hoisting and transferring engineering machinery overhaul equipment accessories, is conveniently applied to narrow operation space, reduces the use frequency of a large crane, reduces the maintenance cost, enables overhaul to be more convenient, reduces the labor intensity of heavy object carrying of maintenance personnel, prevents damage in the carrying process, and improves the convenience of mine operation.

To solve the technical problem, the utility model discloses the technical scheme who takes does:

the utility model relates to a portable crane that rises, portable crane that rises include moving platform, moving platform rear portion lower surface sets up the backward movement driving wheel, the moving platform front portion sets up three horn portions, three horn portions upper surface sets up the counter weight, the three horn portions lower part sets up the forward movement driving wheel, the forward movement driving wheel passes through connecting portion and moving platform swing joint, sets up the pull rod on the connecting portion, moving platform rear portion upper surface sets up lifting by crane a base, sets up the davit on the lifting by crane a base, the davit passes through telescopic cylinder and is connected with lifting by crane a base.

The connecting part of the mobile crane is movably connected with the mobile platform through a connecting shaft, the front moving wheel is arranged at the lower part of the connecting part, and the pull rod is obliquely arranged.

The upper surface of the triangular part of the mobile platform of the mobile crane is provided with a positioning rod, and each balance weight is sleeved on the positioning rod through a positioning hole.

The lifting part base is movably arranged on the upper surface of the rear part of the moving platform through a connecting shaft, and the lifting arm is movably connected with the lifting part base through a pin shaft.

The mobile platform on set up manual oil pump, manual oil pump passes through the pipeline and is connected with telescopic cylinder, sets up the hydro-cylinder regulation pole on the manual oil pump.

The lifting arm comprises a lifting arm rod piece, a support rod I and a support rod II, and the lifting arm rod piece, the support rod I and the support rod II form an isosceles triangle structure.

Bracing piece I and get up and set up a plurality of stiffeners I between the davit member, bracing piece II and get up set up a plurality of stiffeners II between the davit member.

Adopt the technical scheme of the utility model, can obtain following beneficial effect:

the portable crane that rises, through the cooperation of preceding driving wheel, backward movement driving wheel, can realize moving platform's removal. Through the pull rod, can be used in moving platform, realize moving platform's removal, and preceding driving wheel passes through connecting portion, can conveniently realize turning to of preceding driving wheel. The lifting arm is movably connected with the lifting part base, the telescopic oil cylinder can stretch and retract under the control of the telescopic oil cylinder, and the end head of the lifting arm can lift, so that the lifting hook at the end head of the lifting arm is driven to lift. And the counter weight can increase and decrease as required, avoids the moving platform to overturn when lifting, improves equipment operation security. Like this, above-mentioned structure constitutes a novel portable equipment of lifting by crane that can conveniently be used for engineering machine tool equipment maintenance and object transport after the improvement, and a great deal of restriction can be overcome to this equipment, has advantages such as easy operation, convenient flexibility, practicality are strong, and this equipment can extensively be used for the article transport simultaneously and loading, the in-process of unloading, reduces workman intensity of labour, improves work efficiency, increases the safety guarantee. The utility model discloses a structure is from reducing intensity of labour, improving work efficiency, guarantee safety work angle starting, has extended the suitability of equipment. The equipment can reduce the labor intensity in the processes of cargo transportation and loading and unloading, can be used for hoisting accessories in the process of equipment maintenance at narrow and narrow operating spaces, is convenient for the disassembly and the assembly of large-scale accessories, and ensures the simplification and the safety of the equipment maintenance work. The portable crane of playing, simple structure, it is with low costs, can conveniently be used for engineering machine tool to overhaul the dismantlement hoist and mount and the transportation of equipment accessories to the narrow and narrow department in operation space is applied to the convenience, reduces large-scale crane's use frequency, reduces cost of maintenance, and it is more convenient to make the maintenance, alleviates the intensity of labour of maintenance personal heavy object transport, prevents to receive the injury in the handling, improves the mine operation convenience.

Drawings

The contents of the description and the references in the drawings are briefly described as follows:

fig. 1 is a schematic structural view of a mobile crane according to the present invention;

fig. 2 is a schematic top view of the mobile platform of the mobile crane according to the present invention;

in the drawings, the reference numbers are respectively: 1. a mobile platform; 2. moving the wheel backwards; 3. a triangular portion; 4. balancing weight; 5. moving the driving wheel forwards; 6. a connecting portion; 7. a pull rod; 8. a lifting part base; 9. lifting the suspension arm; 10. a telescopic oil cylinder; 11. Positioning a rod; 12. a hook; 13. a pin shaft; 14. a manual oil pump; 15. a pipeline; 16. the oil cylinder adjusts the rod piece; 17. lifting the boom rod piece; 18. a support rod I; 19. a support rod II; 20. a reinforcing rod I; 21. and a reinforcing rod II.

Detailed Description

The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings, wherein the embodiments of the present invention are described in detail with reference to the accompanying drawings, for example, the shapes, structures, mutual positions and connection relations of the components, the functions and operation principles of the components, and the like:

as shown in the attached

drawings

1 and 2, the utility model relates to a mobile crane, the mobile crane include moving platform 1, the 1 rear portion lower surface of moving platform sets up backward movement driving wheel 2, moving platform 1 front portion sets up three

corners

3, 3 upper surfaces of three corners set up

counter weight

4, 3 lower parts of three corners set up forward movement driving wheel 5, forward movement driving wheel 5 passes through connecting portion 6 and moving platform 1 swing joint, set up pull rod 7 on the connecting portion 6, moving platform 1 rear portion upper surface sets up lifts by crane a base 8, set up on lifting by crane a base 8 and lift by crane davit 9, lift davit 9 and be connected with lifting by crane a base 8 through telescopic cylinder 10. The structure can realize the movement of the mobile platform through the matching of the front moving wheel and the rear moving wheel (two). The front moving wheels can conveniently realize the steering of the front moving wheels through the connecting parts. The lifting arm is movably connected with the lifting part base, the telescopic oil cylinder can stretch and retract under the control of the telescopic oil cylinder, and the end head of the lifting arm can lift, so that the lifting hook at the end head of the lifting arm is driven to lift. And the counter weight can increase and decrease as required, avoids the moving platform to overturn when lifting, improves equipment operation security. Like this, above-mentioned structure constitutes a novel portable equipment of lifting by crane that can conveniently be used for engineering machine tool equipment maintenance and object transport after the improvement, and a great deal of restriction can be overcome to this equipment, has advantages such as easy operation, convenient flexibility, practicality are strong, and this equipment can extensively be used for the article transport simultaneously and loading, the in-process of unloading, reduces workman intensity of labour, improves work efficiency, increases the safety guarantee. The utility model discloses a structure is from reducing intensity of labour, improving work efficiency, guarantee safety work angle starting, has extended the suitability of this equipment. The equipment can reduce the labor intensity in the processes of cargo transportation and loading and unloading, can be used for hoisting accessories in the process of equipment maintenance at narrow and narrow operating spaces, is convenient for the disassembly and the assembly of large-scale accessories, and ensures the simplification and the safety of the equipment maintenance work. The portable crane of playing, simple structure, it is with low costs, can conveniently be used for engineering machine tool to overhaul the dismantlement hoist and mount and the transportation of equipment accessories to the narrow and narrow department in operation space is applied to the convenience, reduces large-scale crane's use frequency, reduces cost of maintenance, alleviates the intensity of labour of maintenance personal heavy object transport, prevents to receive the injury in the handling, improves mine operation convenience.

The connecting part 6 of the mobile crane is movably connected with the mobile platform 1 through a connecting shaft, the front driving wheel 5 is arranged at the lower part of the connecting part 6, and the pull rod 7 is obliquely arranged. Above-mentioned structure, connecting portion can rotate for moving platform, and pull rod and connecting portion swing joint, and the inclinable angle is variable, can be applicable to the operating personnel pulling of different heights. And the pull rod can be used for connecting portion, and the whole moving platform of pulling removes, realizes that the last article of moving platform transports.

The upper surface of the triangular part 3 of the mobile platform 1 of the mobile crane is provided with a positioning rod 11, and each balance weight 4 is respectively sleeved on the positioning rod 11 through a positioning hole. Above-mentioned structure, the counter weight sets up a plurality ofly, and the weight of the article of lifting by crane as required selects quantity, ensures steadily.

The lifting part base 8 is movably arranged on the upper surface of the rear part of the moving platform 1 through a connecting shaft, and the lifting arm 9 is movably connected with the lifting part base 8 through a pin shaft 13. According to the structure, the lifting arm base is movably connected to the moving platform, and rotation can be achieved. The lifting arm can rotate relative to the lifting part base, and the lifting movement of the lifting arm is changed through the stretching of the telescopic oil cylinder.

The mobile platform 1 is provided with a manual oil pump 14, the manual oil pump 14 is connected with the telescopic oil cylinder 10 through a pipeline 15, and an oil cylinder adjusting rod 16 is arranged on the manual oil pump 14. Above-mentioned structure, manual oil pump are the equipment among the prior art, mainly pull through hydro-cylinder regulation pole, can realize the flexible of manual oil pump, and prior art personnel can understand, realize the lift control of davit.

The lifting arm 9 comprises a lifting arm rod piece 17, a supporting rod I18 and a supporting rod II 19, and the lifting arm rod piece 17, the supporting rod I18 and the supporting rod II 19 form an isosceles triangle structure. A plurality of reinforcing rods I20 are arranged between the supporting rod I18 and the lifting arm rod piece 17, and a plurality of reinforcing rods II 21 are arranged between the supporting rod II 19 and the lifting arm rod piece 17. Above-mentioned structure effectively improves the intensity of getting up the davit, and bending deformation when avoiding the atress improves life and operation security.

The present invention has been described in detail with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and the present invention can be implemented in various ways without modification, and the present invention is not limited by the above embodiments.

Claims

1. The utility model provides a portable crane which characterized in that: the movable crane comprises a movable platform (1), a backward movement driving wheel (2) is arranged on the lower surface of the rear portion of the movable platform (1), a triangular portion (3) is arranged on the front portion of the movable platform (1), a balance weight (4) is arranged on the upper surface of the triangular portion (3), a forward movement driving wheel (5) is arranged on the lower portion of the triangular portion (3), the forward movement driving wheel (5) is movably connected with the movable platform (1) through a connecting portion (6), a pull rod (7) is arranged on the connecting portion (6), a lifting portion base (8) is arranged on the upper surface of the rear portion of the movable platform (1), a lifting arm (9) is arranged on the lifting portion base (8), and the lifting arm (9) is connected with the lifting portion base (8) through a telescopic.

2. The mobile lift crane of claim 1, wherein: the connecting part (6) of the mobile crane is movably connected with the mobile platform (1) through a connecting shaft, the front moving wheel (5) is arranged at the lower part of the connecting part (6), and the pull rod (7) is obliquely arranged.

3. The mobile lift crane of claim 1 or 2, wherein: the upper surface of a triangular part (3) of a mobile platform (1) of the mobile crane is provided with a positioning rod (11), and each balance weight (4) is sleeved on the positioning rod (11) through a positioning hole.

4. The mobile lift crane of claim 1 or 2, wherein: the lifting part base (8) is movably arranged on the upper surface of the rear part of the moving platform (1) through a connecting shaft, and the lifting arm (9) is movably connected with the lifting part base (8) through a pin shaft (13).

5. The mobile lift crane of claim 1 or 2, wherein: the movable platform (1) is provided with a manual oil pump (14), the manual oil pump (14) is connected with a telescopic oil cylinder (10) through a pipeline (15), and an oil cylinder adjusting rod (16) is arranged on the manual oil pump (14).

6. The mobile lift crane of claim 1 or 2, wherein: the lifting arm (9) comprises a lifting arm rod piece (17), a supporting rod I (18) and a supporting rod II (19), and the lifting arm rod piece (17), the supporting rod I (18) and the supporting rod II (19) form an isosceles triangle structure.

7. The mobile lift crane of claim 6, wherein: a plurality of reinforcing rods I (20) are arranged between the supporting rod I (18) and the lifting arm rod piece (17), and a plurality of reinforcing rods II (21) are arranged between the supporting rod II (19) and the lifting arm rod piece (17).