CN210915034U

CN210915034U - Crane

Info

Publication number: CN210915034U
Application number: CN201920995997.7U
Authority: CN
Inventors: 吴尚年; 史金鑫; 闫海东; 谭义军; 周志超; 于晓; 张志帅; 王素滨; 梁占杰; 罗炯; 郑建新
Original assignee: Jinchuan Group Co Ltd
Current assignee: Jinchuan Group Co Ltd
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-07-03
Anticipated expiration: 2029-06-28

Abstract

The utility model discloses a crane, which comprises a chassis, wherein the chassis comprises a chassis platform and a chassis reinforcing beam, the chassis reinforcing beam is supported at the bottom of the chassis platform, two supporting devices are symmetrically arranged at the two sides of the bottom of the chassis reinforcing beam, a walking device is arranged at the bottom of the chassis platform, a rotating device is arranged at the central position of the upper part of the chassis platform, a working platform is arranged on the rotating device, a balancing weight, a lifting device, a hydraulic station and a control cabinet are arranged on the working platform, the hydraulic station provides power for the supporting devices, the rotating device and the lifting device, and the hydraulic station and the control cabinet control the rotating device to axially rotate; the utility model is particularly suitable for short distance hoisting of general non-heavy articles, small and exquisite, flexible to use, especially when the site is narrow or the terrain is steep, the crane can conveniently pass in and out the site, and can timely serve the site operation; the construction site is not excessively occupied during operation; the mobile device is convenient to move, and can be dragged and transferred by manpower or common vehicles.

Description

Crane

Technical Field

The utility model relates to a lifting device technical field, concretely relates to crane.

Background

In the construction site of construction engineering or in the production and operation process of some large-weight material and component warehouses, partial materials, structural components and equipment components are often lifted, lifted and loaded for the second time in a short distance. Generally, the secondary transportation can be performed manually or mechanically. Wherein, the manual carrying mode is only suitable for light and small objects; the mechanical carrying mode usually adopts a crane and a forklift, but the mechanical carrying mode cannot be adopted when the site is narrow or the terrain is steep, the crane is not flexible enough to enter and exit the site, the field operation cannot be served timely, and the problems are more prominent particularly when objects are hoisted, loaded and unloaded on a construction site.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a crane to solve among the prior art in narrow and small or when the topography is precipitous crane business turn over place inconvenient, can't in good time serve the problem of site operation in the field.

In order to achieve the above object, the utility model adopts the following technical scheme: the crane comprises a chassis, wherein the chassis comprises a chassis platform and a chassis reinforcing beam, the chassis reinforcing beam is supported at the bottom of the chassis platform, two supporting devices are symmetrically arranged on two sides of the bottom of the chassis reinforcing beam, a walking device is arranged at the bottom of the chassis platform, a rotating device is arranged at the center of the upper portion of the chassis platform, a working platform is arranged on the rotating device, a balancing weight, a lifting device, a hydraulic station and a control cabinet are arranged on the working platform, the hydraulic station provides power for the supporting devices, the rotating device and the lifting device, and the hydraulic station and the control cabinet control the rotating device to axially rotate.

Further, the hoisting device comprises a fixed support, a supporting oil cylinder, a hoisting oil cylinder, a suspension arm and a suspension rope, wherein the lower end of the fixed support is fixed on the working platform, the upper end of the fixed support is hinged to the suspension arm, the oil cylinder end of the supporting oil cylinder is connected with the front end of the working platform, the piston end is connected with the bottom of the suspension arm, the hoisting oil cylinder is arranged inside the suspension arm, the oil cylinder end of the hoisting oil cylinder is fixedly connected with the suspension arm, the piston end of the hoisting oil cylinder is connected with one end of the suspension rope, and the other end of the suspension rope extends out of the head of the suspension arm.

Further, strutting arrangement includes hydraulic support pole, hydraulic leg, the hydraulic support pole sets up in chassis reinforcing beam lower part, hydraulic support pole tip is scalable, the vertical setting of hydraulic leg is at hydraulic support pole tip, hydraulic leg's lower extreme is scalable.

Furthermore, running gear includes the walking wheel of four symmetry settings, connects through the connecting axle between the walking wheel of left and right sides, the connecting axle is connected with chassis reinforcing beam.

The chassis reinforcing beam traction device comprises a chassis reinforcing beam, a traction device and a traction head, wherein the chassis reinforcing beam is arranged on the chassis reinforcing beam, the traction device is composed of a traction head and a traction rod, the traction head is annular and is connected with one end of the traction rod, and the other end of the traction rod is connected with the chassis reinforcing beam.

Furthermore, a working seat is further arranged on the working platform.

Furthermore, the lifting devices, the balancing weights and the hydraulic stations are symmetrically arranged along the direction of the long central line of the working platform.

Further, the arm body of the suspension arm is in a rectangular hollow grid shape made of round steel.

The utility model has the advantages that: the utility model has reasonable design, is particularly suitable for the short-distance hoisting of general non-heavy objects, and can reduce the number of operation shifts and labor consumption of the crane for hiring the crane outside the crane; the utility model has the advantages of small size, flexible use, strong applicability, no occupation of excessive construction sites during operation, convenient access of a crane to the sites, and timely service for field operation especially when the sites are narrow or the terrain is steep; meanwhile, the device is convenient and fast to move, and can be dragged and transferred by manpower or common vehicles; the adopted materials, structural members and equipment members are all of common varieties and types, can be designed and processed according to requirements, and have a wide popularization prospect.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic view of the internal structure of the lifting device of the present invention.

In the figure: 1. a chassis; 1-1, a chassis platform; 1-2, reinforcing a beam of a chassis; 2. a traveling wheel; 3. a support device; 3-1, hydraulic support rods; 3-2, hydraulic support legs; 4. a traction device; 4-1, a traction head; 4-2, a draw bar; 5. a rotating device; 6. a working platform; 7. a balancing weight; 8. a hoisting device; 8-1, supporting the oil cylinder; 8-2, fixing a support; 8-3, pulling up the oil cylinder; 8-4, a suspension arm; 8-5, hanging ropes; 9. a station seat; 10. a hydraulic station; 11. a control cabinet.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in figures 1 and 2, the crane comprises a chassis 1, the chassis 1 comprises a chassis platform 1-1 and a chassis reinforcing beam 1-2, the chassis reinforcing beam 1-2 is supported at the bottom of the chassis platform 2-2, two supporting devices 3 are symmetrically arranged on two sides of the bottom of the chassis reinforcing beam 1-2, a walking device is arranged at the bottom of the chassis platform 1-1, a rotating device 5 is arranged at the center of the upper portion of the chassis platform, a working platform 6 is arranged on the rotating device 5, a balancing weight 7, a lifting device 8, a hydraulic station 10 and a control cabinet 11 are arranged on the working platform 6, the lifting devices, the balancing weight and the hydraulic station are symmetrically arranged along the central line of the working platform, a working seat 9 is further arranged on the working platform 6, the hydraulic station 10 provides power for the supporting devices 3, the rotating device 5 and the lifting device 8, and the control cabinet 11 and the hydraulic station 10, The rotating device 5 is electrically connected, the balancing weight 7 is a movable block, the number of the balancing weight can be increased or decreased according to needs, and the rotating device 5 is composed of a hydraulic indexing turntable and is controlled by the hydraulic station 10 and the control cabinet 11 to rotate axially. .

The hoisting device 8 comprises a fixed support 8-2, a supporting oil cylinder 8-1, a pulling oil cylinder 8-3, a suspension arm 8-4 and a suspension rope 8-5, the lower end of the fixed support 8-2 is fixed on the working platform 6, the upper end of the fixed support 8-2 is hinged with the suspension arm 8-4, the oil cylinder end of the supporting oil cylinder 8-1 is connected with the front end of the working platform 6, the piston end is connected with the bottom of the suspension arm 8-4, the pulling oil cylinder 8-3 is arranged in the suspension arm 8-4, the arm body of the suspension arm is in a rectangular hollow grid shape made of round steel, the dead weight of the suspension arm 8-4 can be reduced to the maximum extent while the strength and rigidity of the suspension arm 8-4 are kept, the oil cylinder end of the pulling oil cylinder 8-3 is fixedly connected with the suspension arm 8-4, the piston end of the pulling oil cylinder 8-3 is connected with one end of the suspension rope 8-5, the other end of the suspension rope 8-5 extends out of the head part of the suspension arm for connecting the object to be lifted.

The supporting device 3 comprises a hydraulic supporting rod 3-1 and a hydraulic supporting leg 3-2, the hydraulic supporting rod 3-1 is arranged on the lower portion of the chassis reinforcing beam 1-2, the end portion of the hydraulic supporting rod 3-1 is telescopic, the hydraulic supporting leg 3-2 is vertically arranged on the end portion of the hydraulic supporting rod, and the lower end of the hydraulic supporting leg 3-2 is telescopic.

The walking device comprises four walking wheels 2 which are symmetrically arranged, the walking wheels 2 on the left side and the right side are connected through connecting shafts, and the connecting shafts are connected with the chassis reinforcing beam 1-2 in a welding mode.

The crane further comprises a traction device 4, wherein the traction device 4 is composed of a traction head 4-1 and a traction rod 4-2, the traction head 4-1 is annular and is connected with one end of the traction rod 4-2, the other end of the traction rod 4-2 is connected with a chassis reinforcing beam 1-2, and a site crane can be conveniently dragged to a specified parking place or a next operation point.

The utility model discloses a concrete working process as follows:

firstly, dragging a field crane to the vicinity of an operation site by using manpower or a vehicle by using a traction device 4, operating a control cabinet 11, expanding a hydraulic support rod 3-1, expanding a hydraulic support leg 3-2, and stably supporting the field crane; operating the control cabinet 11, adjusting the vertical position of the suspension arm 8-4 by using the support oil cylinder 8-1 while the rotating device 5 rotates the working platform 6, and finally stopping the head of the suspension arm 8-4 above an object to be lifted; extending the lifting oil cylinder 8-3 to loosen the suspension rope 8-5 and tightly binding or hooking the lower end of the suspension rope 8-5 to the object to be lifted; operating the control cabinet 11, contracting the lifting oil cylinder 8-3, extending the supporting oil cylinder 8-1 while rotating the rotating device 5 after lifting the object, adjusting the object drop point, finally moving the lifted object above a new place, extending the lifting oil cylinder 8-3 to release the suspension rope 8-5, and putting down the lifted object; the suspension rope 8-5 is unfastened, the lifting oil cylinder 8-3 and the supporting oil cylinder 8-1 are contracted, the suspension rope 8-5 is shortened, the working platform 6 is rotated until the suspension arm 8-4 and the traction device 4 are opposite and concentric, and the hydraulic support leg 3-2 and the hydraulic support rod 3-1 are retracted; the site crane is dragged to a designated parking place or the next operation point by manpower or vehicles, and the operation is finished.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A crane, comprising a chassis, characterized in that: the chassis (1) comprises a chassis platform (1-1) and a chassis reinforcing beam (1-2), the chassis reinforcing beam (1-2) is supported at the bottom of the chassis platform (1-1), two supporting devices (3) are symmetrically arranged on two sides of the bottom of the chassis reinforcing beam (1-2), the bottom of the chassis platform (1-1) is provided with a walking device, the central position of the upper part of the chassis platform (1-1) is provided with a rotating device (5), a working platform (6) is arranged on the rotating device (5), a balancing weight (7), a hoisting device (8), a hydraulic station (10) and a control cabinet (11) are arranged on the working platform (6), the hydraulic station (10) provides power for the supporting device (3), the rotating device (5) and the hoisting device (8), the hydraulic station (10) and the control cabinet (11) control the rotating device (5) to rotate axially.

2. A crane as claimed in claim 1, wherein: the lifting device (8) comprises a fixed support (8-2), a supporting oil cylinder (8-1), a pulling oil cylinder (8-3), a suspension arm (8-4) and a suspension rope (8-5), the lower end of the fixed support (8-2) is fixed on a working platform (6), the upper end of the fixed support (8-2) is hinged with the suspension arm (8-4), the oil cylinder end of the supporting oil cylinder (8-1) is connected with the front end of the working platform (6), the piston end is connected with the bottom of the suspension arm (8-4), the pulling oil cylinder (8-3) is arranged inside the suspension arm (8-4), the oil cylinder end of the pulling oil cylinder (8-3) is fixedly connected with the suspension arm (8-4), the piston end of the pulling oil cylinder (8-3) is connected with one end of the suspension rope (8-5), the other end of the suspension rope (8-5) extends out of the head of the suspension arm (8-4).

3. A crane as claimed in claim 1, wherein: the supporting device (3) comprises a hydraulic supporting rod (3-1) and hydraulic supporting legs (3-2), the hydraulic supporting rod (3-1) is arranged on the lower portion of the chassis reinforcing beam (1-2), the end portions of the hydraulic supporting rod (3-1) are telescopic, the hydraulic supporting legs (3-2) are vertically arranged on the end portions of the hydraulic supporting rod (3-1), and the lower ends of the hydraulic supporting legs (3-2) are telescopic.

4. A crane as claimed in claim 1, wherein: the walking device comprises four walking wheels (2) which are symmetrically arranged, the walking wheels (2) on the left side and the right side are connected through a connecting shaft, and the connecting shaft is connected with the chassis reinforcing beam (1-2).

5. A crane as claimed in any one of claims 1 to 4, wherein: the chassis reinforcing beam traction device is characterized by further comprising a traction device (4), wherein the traction device (4) is composed of a traction head (4-1) and a traction rod (4-2), the traction head (4-1) is annular and is connected with one end of the traction rod (4-2), and the other end of the traction rod (4-2) is connected with the chassis reinforcing beam (1-2).

6. A crane as claimed in claim 1, wherein: and a working seat (9) is also arranged on the working platform (6).

7. A crane as claimed in claim 1, wherein: the lifting device (8), the balancing weight (7) and the hydraulic station (10) are symmetrically arranged along the long central line direction of the working platform (6).

8. A crane as claimed in claim 2, wherein: the arm body of the suspension arm (8-4) is in a rectangular hollow grid shape made of round steel.