CN216889841U

CN216889841U - Foldable suspension arm of pipe crane

Info

Publication number: CN216889841U
Application number: CN202220105215.XU
Authority: CN
Inventors: 宋玉龙; 张智; 郭建; 刘磊; 徐瑞轩
Original assignee: Tianjin Paipulan Energy Technology Co ltd
Current assignee: Tianjin Paipulan Energy Technology Co ltd
Priority date: 2022-01-17
Filing date: 2022-01-17
Publication date: 2022-07-05
Anticipated expiration: 2032-01-17

Abstract

The utility model discloses a foldable suspension arm of a pipe crane, which relates to the technical field of pipeline construction equipment and comprises a main arm, wherein the two ends of the main arm are respectively a hinged end and a lifting end, the hinged end is also hinged with a first auxiliary arm, the middle part of the first auxiliary arm is hinged with a second auxiliary arm, one end of the second auxiliary arm, which is far away from the first auxiliary arm, is hinged with a sliding block, the sliding block is in sliding fit with the main arm, an adjusting oil cylinder is fixedly arranged on the main arm, and the end of a piston rod of the adjusting oil cylinder is fixedly connected with the sliding block. The utility model provides a foldable suspension arm of a pipe crane, which can move along with a pipeline and has convenient use and high safety.

Description

Foldable suspension arm of pipe crane

Technical Field

The utility model relates to the technical field of pipeline construction equipment, in particular to a foldable suspension arm of a pipe crane.

Background

The pipe crane is an important construction device in petroleum and natural gas pipeline construction, and is mainly used for pipe arrangement, butt joint and ditch descending operation of large-diameter pipes. In some special terrains, a pipe hoist is required to carry the pipeline operation.

The utility model patent of current grant bulletin number CN211169612U discloses a crawler-type pipelayer, include: the pipe hoist comprises a pipe hoist main body, a pipe hoist assembly and a stabilizing assembly, wherein the pipe hoist assembly and the stabilizing assembly are arranged on a pipe hoist body; the pipe hoist main body is used for controlling a pipe hoist assembly and a stabilizing assembly, the pipe hoist assembly is used for hoisting a pipeline, and the stabilizing assembly is used for matching the pipe hoist assembly to stabilize the pipeline; the pipelayer main part includes: the crawler comprises a vehicle body, crawler bases symmetrically arranged at the bottom sides of the outer parts of the two sides of the vehicle body, and crawlers wrapping the end surfaces of the crawler bases; the stabilizing assembly includes: the crawler belt type crawler belt conveyor comprises a support base arranged on the outer end face of a crawler belt base, slidable support frames symmetrically arranged on the end faces of two sides of the support base, and a driving cylinder assembly arranged on the support base and located between the two support frames; the supporting base is provided with a sliding rail, the supporting frame moves on the supporting base through the sliding rail, the supporting frame is of a triangular frame structure, and the driving cylinder assembly comprises two driving cylinders.

By adopting the technical scheme, the pipe hanging component is very unstable in the process of carrying the pipeline to move by utilizing the steel cable to hang the pipeline, and is not suitable for operation in a special terrain environment.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a foldable boom of a pipe crane, wherein a first auxiliary arm and a second auxiliary arm can be unfolded under special conditions to provide stable support for a pipeline, so that the pipe crane can conveniently travel with the pipeline, and the construction convenience is effectively provided.

The technical purpose of the utility model is realized by the following technical scheme:

the foldable suspension arm of the pipe crane comprises a main arm, wherein the two ends of the main arm are respectively a hinged end and a lifting end, the hinged end is further hinged with a first auxiliary arm, the middle of the first auxiliary arm is hinged with a second auxiliary arm, one end, away from the first auxiliary arm, of the second auxiliary arm is hinged with a sliding block, the sliding block is in sliding fit with the main arm, an adjusting oil cylinder is fixedly arranged on the main arm, and the piston rod end of the adjusting oil cylinder is fixedly connected with the sliding block.

By adopting the technical scheme, in the using process, the hinged end is used for hinging the main arm to the crane body of the pipe crane and carrying out amplitude variation under the driving of a hydraulic system on the crane body. Under normal conditions, the first auxiliary arm and the second auxiliary arm are folded and hidden in the main arm. Under the condition of special topography, when needing the pipelayer to carry the operation of advancing of pipeline, adjust the hydro-cylinder and promote the slider to the direction removal that is close to the hinged end to make first auxiliary arm and second auxiliary arm expand, first auxiliary arm and second auxiliary arm form Y shape structure this moment, and the first auxiliary arm can be arranged in to the pipeline and the second auxiliary arm's intersect, thereby at the in-process that the pipelayer marched, the pipeline can remain stable state.

The utility model is further configured to: the main arm comprises an overturning arm and a folding arm which are hinged with each other, the overturning arm is hinged with a folding oil cylinder, and a piston rod end of the folding oil cylinder is hinged with the folding arm.

Through adopting above-mentioned technical scheme, when the non-operation state, will overturn the arm and turn to vertical state, utilize folding hydro-cylinder to fold folding arm to the horizontality this moment, folding arm position in the top of pipe hanger automobile body this moment. The mode can make the pipe crane become more compact as a whole, occupies small space and is easy to run on the road.

The utility model is further configured to: and a limiting plate is fixedly arranged at one end, close to the folding arm, of the turning arm, and the limiting plate is positioned on one side, away from the folding oil cylinder, of the turning arm.

Through adopting above-mentioned technical scheme, the limiting plate can provide spacing and support for folding arm, makes folding arm can keep and upset the arm collineation when hanging the pipeline of getting, improves folding arm's stability.

The utility model is further configured to: the folding arm is fixedly provided with a limiting rod used for stabilizing the lifting hook.

Through adopting above-mentioned technical scheme, when the non-operation state, will hang the hook and can effectively improve the stability of lifting hook on the gag lever post, improve the security of whole car.

The utility model is further configured to: and the limiting rod is provided with a clamping groove for clamping the lifting hook.

Through adopting above-mentioned technical scheme, the draw-in groove can carry out the joint to the lifting hook, further improves the stability of lifting hook.

The utility model is further configured to: the folding arm is provided with a propping rod in a sliding mode, the propping rod is located on one side, close to the overturning arm, of the limiting rod, a connecting rod is hinged to the propping rod, and one end, far away from the propping rod, of the connecting rod is hinged to the overturning arm.

Through adopting above-mentioned technical scheme, when operating condition, folding arm and upset arm collineation, the interval of the pole of holding up and gag lever post is great this moment. When the inoperative condition, at first with the lifting hook on the gag lever post, then folding arm is folded to be as for upset arm vertically state, and support tight pole and will remove to the direction that is close to the gag lever post under the effect of connecting rod to reduce the interval of supporting tight pole and gag lever post, finally support tight pole butt on the lifting hook, make the lifting hook can keep higher stability, at the pipe hanger in-process of marcing, even if the cable wire of connecting the lifting hook appears becoming flexible, the lifting hook also can remain stable.

The utility model is further configured to: and elastic shock absorption pads are fixedly arranged on the first auxiliary arm and the second auxiliary arm.

Through adopting above-mentioned technical scheme, the elastic shock pad can play the cushioning effect, can keep the higher stability of pipeline in the highway section of comparatively jolting.

In conclusion, the beneficial technical effects of the utility model are as follows:

(1) the pipe crane has the advantages that the first auxiliary arm and the second auxiliary arm are used for providing stable support for the pipeline, so that the pipe crane can carry the pipeline to operate under special conditions, and the first auxiliary arm and the second auxiliary arm can be folded, so that the pipe crane is convenient to use and high in applicability;

(2) in the utility model, the main arm can be folded under the non-working state, so that the space occupation of the whole crane is reduced, and the pipe crane can conveniently run on a highway;

(3) the utility model utilizes the limiting rod and the tightening rod to fix the lifting hook, thereby effectively improving the stability of the lifting hook and the safety of the whole vehicle.

Drawings

FIG. 1 is a schematic illustration of one embodiment of the present invention during use;

FIG. 2 is a schematic diagram of the overall structure of one embodiment of the present invention;

fig. 3 is a top view of one embodiment of the present invention.

Reference numerals: 1. a turning arm; 2. a folding arm; 3. a hinged end; 4. a hoisting end; 5. folding the oil cylinder; 6. a limiting plate; 7. a limiting rod; 8. a card slot; 9. a tightening rod; 10. a connecting rod; 11. a first auxiliary arm; 12. a second auxiliary arm; 13. a slider; 14. adjusting the oil cylinder; 15. an elastic shock pad.

Detailed Description

The present invention will now be described more fully hereinafter with reference to the accompanying examples.

Referring to the attached drawings 1 and 2, the foldable boom of the pipe crane comprises a main arm, wherein the main arm is integrally in a trapezoidal frame structure, the main arm comprises an overturning arm 1 and a folding arm 2 which are hinged to each other, one end, away from the folding arm 2, of the overturning arm 1 is a hinged end 3, the hinged end 3 is used for hinging the main arm to a vehicle body of the pipe crane, one end, away from the overturning arm 1, of the folding arm 2 is a hoisting end 4, and in the using process, a steel cable is connected with a lifting hook through the hoisting end 4. Two folding oil cylinders 5 are hinged to one side, close to the pipe hanging machine body, of the turnover arm 1, and the piston rod ends of the folding oil cylinders 5 are hinged to the folding arm 2. One end of the turning arm 1 close to the folding arm 2 is fixedly provided with a limiting plate 6, and the limiting plate 6 is positioned on one side of the turning arm 1 departing from the folding oil cylinder 5.

Folding hydro-cylinder 5 can control folding arm 2 and rotate, and when non-operating condition, upset arm 1 is transferred to vertical state down in the drive of hydraulic system on the pipe hanger, and folding arm 2 can rotate to the level, and folding arm 2 is located the top of pipe hanger automobile body this moment, makes whole car become compacter, and occupation space is little, easily goes on the highway.

Referring to fig. 3, the fixed gag lever post 7 that is used for stabilizing the lifting hook that is provided with on folding arm 2, set up the draw-in groove 8 of joint lifting hook on the gag lever post 7, draw-in groove 8 is the V-arrangement structure, the lifting hook of being convenient for gets into draw-in groove 8, one side that gag lever post 7 is close to upset arm 1 is provided with supports tight pole 9, support the both ends of tight pole 9 all with folding arm 2 sliding fit, support and articulate the connecting rod 10 that is provided with L shape on the tight pole 9, the connecting rod 10 is kept away from the one end that supports tight pole 9 and is articulated with upset arm 1. When the non-operating condition, at first will hang the hook on gag lever post 7 and enter into draw-in groove 8, later with folding arm 2 fold to be perpendicular with upset arm 1, connecting rod 10 will promote to support tight pole 9 and remove to the direction that is close to gag lever post 7 at this in-process, finally support to the lifting hook to make the lifting hook remain stable.

Articulated end 3 articulates and is provided with first auxiliary arm 11, first auxiliary arm 11 is the frame construction of rectangle, the articulated arm 12 of assisting of second that is provided with in the middle part of first auxiliary arm 11, frame construction second auxiliary arm 12 that second auxiliary arm 12 also is the rectangle is kept away from the articulated arm 13 that is provided with of one end of first auxiliary arm 11, slider 13 is located one side that upset arm 1 is close to the pipe hanger locomotive body and upset arm 1 sliding fit, the fixed two regulating cylinder 14 that are provided with on the main arm, the tailpiece of the piston rod end of regulating cylinder 14 and the slider 13 fixed connection that corresponds. All fixedly on the arm 12 is assisted to first auxiliary arm 11 and second, is provided with elastic shock pad 15, and at the in-process of handling pipeline, elastic shock pad 15 contacts and plays the cushioning effect with the pipeline to can remain stable on comparatively jolting road conditions, avoid the pipeline to collide with.

The working principle of the embodiment is as follows: the first sub-arm 11 and the second sub-arm 12 can be hidden in the main arm after being folded, and thus can be used as a common pipe hoist. When the pipe crane is required to carry a pipeline to perform running operation in special situations, the adjusting oil cylinder 14 pushes the sliding block 13 to move towards the direction close to the hinged end 3, so that the first auxiliary arm 11 and the second auxiliary arm 12 are unfolded, at the moment, the first auxiliary arm 11 and the second auxiliary arm 12 form a Y-shaped structure, and the pipeline can be stably placed at the intersection of the first auxiliary arm 11 and the second auxiliary arm 12, so that the pipeline is kept stable. The pipe crane using the suspension arm can carry a pipeline to perform advancing operation, and is convenient and fast to construct.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited thereby, so: equivalent changes made according to the structure, shape and principle of the utility model shall be covered by the protection scope of the utility model.

Claims

1. The utility model provides a collapsible davit of pipelayer, includes the main arm, its characterized in that: the two ends of the main arm are respectively a hinged end (3) and a lifting end (4), the hinged end (3) is further hinged to be provided with a first auxiliary arm (11), the middle of the first auxiliary arm (11) is hinged to be provided with a second auxiliary arm (12), one end, away from the first auxiliary arm (11), of the second auxiliary arm (12) is hinged to be provided with a sliding block (13), the sliding block (13) is in sliding fit with the main arm, an adjusting oil cylinder (14) is fixedly arranged on the main arm, and the piston rod end of the adjusting oil cylinder (14) is fixedly connected with the sliding block (13).

2. The collapsible boom of a pipe hoist as claimed in claim 1, wherein: the main arm comprises an overturning arm (1) and a folding arm (2) which are hinged with each other, the overturning arm (1) is hinged with a folding oil cylinder (5), and a piston rod end of the folding oil cylinder (5) is hinged with the folding arm (2).

3. The collapsible boom of a pipe hoist as claimed in claim 2, wherein: one end of the turning arm (1) close to the folding arm (2) is fixedly provided with a limiting plate (6), and the limiting plate (6) is located on one side of the turning arm (1) deviating from the folding oil cylinder (5).

4. The collapsible boom of a pipe hoist as claimed in claim 2, wherein: and a limiting rod (7) used for stabilizing the lifting hook is fixedly arranged on the folding arm (2).

5. The foldable boom of a pipe hoist as claimed in claim 4, wherein: and the limiting rod (7) is provided with a clamping groove (8) for clamping the lifting hook.

6. The foldable boom of a pipe hoist as claimed in claim 4, wherein: folding arm (2) go up the slip and be provided with and support tight pole (9), support tight pole (9) are located gag lever post (7) and are close to one side of upset arm (1), it is provided with connecting rod (10) to support to articulate on tight pole (9), the one end that supports tight pole (9) is kept away from in connecting rod (10) is articulated with upset arm (1).

7. The collapsible boom of a pipe hoist as claimed in claim 1, wherein: and elastic shock absorption pads (15) are fixedly arranged on the first auxiliary arm (11) and the second auxiliary arm (12).