CN211169612U

CN211169612U - Crawler-type pipelayer

Info

Publication number: CN211169612U
Application number: CN201921839695.7U
Authority: CN
Inventors: 苏玉漾; 杨磊
Original assignee: Langfang Haigong Equipment And Machinery Equipment Co ltd
Current assignee: Langfang Haigong Equipment And Machinery Equipment Co ltd
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-08-04
Anticipated expiration: 2029-10-30

Abstract

The application discloses crawler-type pipelayer includes: 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 body includes: the crawler type vehicle comprises a vehicle body, crawler bases symmetrically arranged at the bottom sides of the outer portions of two sides of the vehicle body, and a crawler wrapping the end surfaces of the crawler bases; the stabilizing assembly comprises: the crawler belt type crawler belt fixing device comprises a support base arranged on the outer end face of the 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 support base is provided with a slide rail, the support frame moves on the support base through the slide rail, the support frame is of a triangular frame structure, and the driving cylinder assembly comprises two driving cylinders.

Description

Crawler-type pipelayer

Technical Field

The present disclosure relates generally to the field of construction equipment, and more particularly to a crawler crane.

Background

The crawler-type pipe crane is an important construction device in petroleum and natural gas pipeline construction, is mainly used for pipe arrangement, butt joint and ditch descending operation of large-diameter pipelines, and generally comprises a metal structure, a working mechanism, a power device, a control system and the like. At present, general pipelayers, multifunctional pipelayers and wetland pipelayers are mainly available in the market, and have the effects of large hoisting weight, movement with pipelines and the like. In the use of the existing pipe crane, because the weight of the pipeline of the pipe crane is large and the length of the pipeline is long, and the weight of the pipeline lifted in the operation is constantly changed, the stability of the pipe crane is affected, and even the side turning of the pipe crane can be caused, so that the use range of the pipe crane is limited, and potential safety hazards exist.

Disclosure of Invention

In view of the above-mentioned deficiencies or inadequacies in the prior art, it would be desirable to provide a crawler crane.

A crawler hoist comprising: 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 the pipe hoist main 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 body includes: the crawler type vehicle comprises a vehicle body, crawler bases symmetrically arranged at the bottom sides of the outer portions of two sides of the vehicle body, and a crawler wrapping the end surfaces of the crawler bases; the vehicle body is used for controlling the crawler belt to drive the crawler belt base to move;

the stabilizing assembly comprises: the crawler belt type crawler belt fixing device comprises a support base arranged on the outer end face of the 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 support base is provided with a slide rail, the support frame moves on the support base through the slide rail, the support frame is of a triangular frame structure, the driving cylinder assembly comprises two driving cylinders, and each driving cylinder is used for driving one support frame to horizontally slide on the support base respectively.

According to the technical scheme provided by the embodiment of the application, the hanging pipe assembly comprises: the first support is arranged on the crawler base and positioned on the same side as the stabilizing component, and the second support and the pulley component are arranged on the other side of the crawler base; the first support is provided with a triangular suspension arm which can incline to the horizontal direction, and the second support is provided with a counterweight component for balancing weight.

According to the technical scheme provided by the embodiment of the application, the pulley assembly comprises: a lifting pulley block for lifting the pipeline and a variable-amplitude pulley block for changing the inclination angle of the lifting arm.

According to the technical scheme provided by the embodiment of the application, the lifting pulley block comprises: a lifting fixed pulley and a lifting movable pulley; the lifting fixed pulley is arranged below the top end of the lifting arm, the lifting movable pulley is arranged at the lower end of the lifting fixed pulley, and the lifting fixed pulley is connected with the lifting movable pulley through steel cable winding; a lifting hook is arranged below the lifting movable pulley; the variable-amplitude pulley block comprises: the variable-amplitude movable pulley and the variable-amplitude fixed pulley; the variable-amplitude movable pulley is arranged on the top end of the suspension arm, the variable-amplitude fixed pulley is arranged on the second support, and the variable-amplitude movable pulley is connected with the variable-amplitude fixed pulley through steel cable winding; the variable-amplitude pulley block is controlled by the vehicle body to change the length of the steel cable and the inclination angle of the suspension arm.

According to the technical scheme provided by the embodiment of the application, the counterweight assembly comprises a counterweight plate and a counterweight bracket for bearing the counterweight plate.

According to the technical scheme that this application embodiment provided, the terminal surface of the horizontal pole of support frame upper end is established to the sunken arc of ground orientation, and is equipped with the buffer layer that is used for buffer pressure on its terminal surface.

In summary, the technical scheme of the application is provided with the hanging pipe assembly and the stabilizing assembly, when the hanging pipe assembly lifts the pipeline, an operator can control the hanging pipe assembly to move the pipeline onto the upper end face of the support frame through the control system in the vehicle body, so that the support frame has a certain supporting force on two ends of the pipeline, and the support frame is of a stable triangular structure, so that the reliability is enhanced, and the phenomenon that the vehicle body is unstable due to overweight and falling of two ends of the pipeline can be reduced; simultaneously, because the support frame can be in the horizontal slip on supporting the base to change the distance between two support frames, consequently can change its distance according to the length of the pipeline of hanging to get, when the pipeline of hanging to get becomes longer or shorter, can correspond the position of adjustment support frame, so that better support pipeline, improved the utilization efficiency, strengthened the security performance.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

FIG. 1 is a schematic structural view (right side view) of the present invention;

FIG. 2 is a schematic structural view (front view) of the present invention;

FIG. 3 is a schematic structural view of a stabilizing assembly of the present invention;

fig. 4 is a schematic structural view (top view) of the present invention.

Reference numbers in the figures: 1. a vehicle body; 2. a track base; 3. a crawler belt; 4. a support base; 5. a support frame; 6. a first bracket; 7. a second bracket; 8. a suspension arm; 9. a counterweight assembly; 10. lifting the fixed pulley; 11. lifting the movable pulley; 12. a variable amplitude movable pulley; 13. a variable-amplitude fixed pulley; 14. a hook; 15. a weight plate; 16. a counterweight bracket; 17. a pipeline.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Example one

A crawler hoist comprising: 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 the pipe hoist main 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 body includes: the crawler type vehicle comprises a vehicle body 1, crawler bases 2 symmetrically arranged at the bottom sides of the outer portions of two sides of the vehicle body 1, and a crawler 3 wrapping the end surfaces of the crawler bases 2; the vehicle body 1 is used for controlling the crawler belt to drive the crawler belt base 2 to move;

the stabilizing assembly comprises: the crawler belt type crawler belt conveyor comprises a support base 4 arranged on the outer end face of the crawler belt base 2, slidable support frames 5 symmetrically arranged on the end faces of two sides of the support base 4, and a driving cylinder assembly arranged on the support base 4 and located between the two support frames 5; the support base 4 is provided with a slide rail, the support frame 5 moves on the support base 4 through the slide rail, the support frame 5 is of a triangular frame structure, the driving cylinder assembly comprises two driving cylinders, and each driving cylinder is respectively used for driving one support frame 5 to horizontally slide on the support base 4.

When the pipeline is laid and started, the device is used for pipe distribution, opening alignment and ditch setting operation of the large-diameter pipeline. Wherein, an internal combustion engine for controlling the movement of the crawler 3 is arranged in the vehicle body 1, and the crawler 3 moves to drive the vehicle body 1 to move forwards or backwards; a hydraulic system for controlling the hanging pipe assembly is further arranged in the vehicle body 1, and the hanging pipe assembly can be controlled to hoist or lower a pipeline. In this embodiment, as shown in fig. 1 to 3, after the pipe 17 is lifted by the pipe lifting assembly, an operator controls the pipe lifting assembly to move through a control system in the vehicle body 1, so as to lift the pipe 17 onto the end surface of the support frame 5 of the stabilizing assembly, so that the support frame 5 has a certain supporting force on two ends of the pipe 17, and the support frame 5 is in a stable triangular structure, thereby enhancing reliability, so that the unstable phenomenon of the vehicle body 1 caused by the fact that two ends of the pipe 17 drop down due to overweight, and the pipe 17 can be transported in a short distance; meanwhile, the support frames 5 can slide left and right on the support base 4, so that the distance between the two support frames 5 is changed, the distance can be changed according to the length of the hung pipeline 17, and when the hung pipeline 17 is longer or shorter, the positions of the support frames 5 can be correspondingly adjusted, so that the pipeline 17 can be better supported, the utilization efficiency is improved, and the safety performance is enhanced.

Example two

In order to further optimize the above technical solution, the technical solution is preferably further provided with the following improvements: the drop tube assembly includes: the first bracket 6 is arranged on the crawler base 2 and is positioned at the same side as the stabilizing component, and the second bracket 7 and the pulley component are arranged at the other side of the crawler base 2; the first support 6 is provided with a triangular suspension arm 8 which can incline to the horizontal direction, and the second support 7 is provided with a counterweight component 9 for balancing weight.

In the embodiment, as shown in fig. 1 and 4, the boom 8 is controlled by the vehicle body 1 to adjust the inclination angle so as to hoist the pipeline; the counterweight assembly 9 is used for balancing the moment generated by one side of the suspension arm 8 when the pipeline is suspended, so that the vehicle body 1 is prevented from being inclined.

In order to further optimize the above technical solution, the technical solution is preferably further provided with the following improvements: the sheave assembly includes: a lifting pulley block for lifting the pipeline and a variable-amplitude pulley block for changing the inclination angle of the lifting arm 8.

The lifting pulley block comprises: a lifting fixed pulley 10 and a lifting movable pulley 11; the lifting fixed pulley 10 is arranged below the top end of the lifting arm 8, the lifting movable pulley 11 is arranged at the lower end of the lifting fixed pulley 10, and the lifting fixed pulley 10 is connected with the lifting movable pulley 11 through steel cable winding; a lifting hook 14 is also arranged below the lifting movable pulley 11; the variable-amplitude pulley block comprises: a variable-amplitude movable pulley 12 and a variable-amplitude fixed pulley 13; the variable-amplitude movable pulley 12 is arranged at the top end of the suspension arm 8, the variable-amplitude fixed pulley 13 is arranged on the second support 7, and the variable-amplitude movable pulley 12 is connected with the variable-amplitude fixed pulley 13 through steel rope winding; the variable-amplitude pulley block is controlled by the vehicle body 1 to change the length of the steel cable and the inclination angle of the suspension arm 8.

In the embodiment, as shown in fig. 1 and 4, in the lifting pulley block, a lifting movable pulley 11 is driven by a lifting fixed pulley 10 to move up and down, so that a lifting hook 14 is driven to lift the pipeline; in the amplitude-variable pulley block, an amplitude-variable fixed pulley 13 drives an amplitude-variable movable pulley 12 to move, so that the steel cable is extended or shortened, and the suspension arm 8 is driven to change the inclination angle, thereby being convenient for hoisting or lowering a pipeline during construction; wherein, the lifting pulley block and the amplitude variation pulley block are controlled and driven by a hydraulic system on the vehicle body 1.

In order to further optimize the above technical solution, the technical solution is preferably further provided with the following improvements: the weight assembly 9 comprises a weight plate 15 and a weight support 16 for carrying the weight plate 15. When the weight of the lifted pipeline changes, the weight of the weight plate 15 can be correspondingly increased or decreased so as to balance the moment brought by the pipeline.

In order to further optimize the above technical solution, the technical solution is preferably further provided with the following improvements: the terminal surface of the horizontal pole of 5 upper ends of support frame is established to the sunken arc of ground direction, and is equipped with the buffer layer that is used for buffer pressure on its terminal surface.

In this embodiment, set up when the arc is sunken and the buffer layer enables the drop tube to move 5 upper ends of support frame, wherein the buffer layer can be the rubber material, and the pressure that applys to the drop tube can play certain cushioning effect, and the firm subassembly of further reinforcing is to the firm effect of automobile body 1.

The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims

1. A crawler-type pipelayer is characterized in that: the method comprises the following steps: 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 the pipe hoist main 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 body includes: the crawler type crawler belt conveyor comprises a vehicle body (1), crawler belt bases (2) symmetrically arranged at the bottom sides of the outer portions of the two sides of the vehicle body (1), and crawler belts (3) wrapping the end faces of the crawler belt bases (2); the vehicle body (1) is used for controlling the crawler belt to drive the crawler belt base (2) to move;

the stabilizing assembly comprises: the crawler belt type crawler belt conveyor comprises a support base (4) arranged on the outer end face of the crawler belt base (2), slidable support frames (5) symmetrically arranged on the end faces of two sides of the support base (4), and a driving air cylinder assembly arranged on the support base (4) and located between the two support frames (5); the supporting base is characterized in that a sliding rail is arranged on the supporting base (4), the supporting frame (5) moves on the supporting base (4) through the sliding rail, the supporting frame (5) is of a triangular frame structure, each driving cylinder assembly comprises two driving cylinders, and each driving cylinder is used for driving one supporting frame (5) to horizontally slide on the supporting base (4) respectively.

2. A crawler crane according to claim 1, wherein: the drop tube assembly includes: the first support (6) is arranged on the crawler base (2) and is positioned at the same side as the stabilizing component, and the second support (7) and the pulley component are arranged at the other side of the crawler base (2); the lifting arm (8) which can incline to the horizontal direction and is triangular is arranged on the first support (6), and a counterweight component (9) used for balancing weight is arranged on the second support (7).

3. A crawler crane according to claim 2, wherein: the sheave assembly includes: a lifting pulley block for lifting the pipeline and a variable-amplitude pulley block for changing the inclination angle of the lifting arm (8).

4. A crawler crane according to claim 3, wherein: the lifting pulley block comprises: a lifting fixed pulley (10) and a lifting movable pulley (11); the lifting fixed pulley (10) is arranged below the top end of the lifting arm (8), the lifting movable pulley (11) is arranged at the lower end of the lifting fixed pulley (10), and the lifting fixed pulley (10) is connected with the lifting movable pulley (11) through steel cable winding; a lifting hook (14) is also arranged below the lifting movable pulley (11); the variable-amplitude pulley block comprises: a variable-amplitude movable pulley (12) and a variable-amplitude fixed pulley (13); the variable-amplitude movable pulley (12) is arranged on the top end of the suspension arm (8), the variable-amplitude fixed pulley (13) is arranged on the second support (7), and the variable-amplitude movable pulley (12) is wound by a steel cable and connected with the variable-amplitude fixed pulley (13); the variable-amplitude pulley block is controlled by the vehicle body (1) to change the length of the steel cable and the inclination angle of the suspension arm (8).

5. A crawler crane according to claim 2, wherein: the counterweight assembly (9) comprises a counterweight plate (15) and a counterweight bracket (16) for bearing the counterweight plate (15).

6. A crawler crane according to claim 1, wherein: the end face of the horizontal rod at the upper end of the support frame (5) is set to be an arc shape which is sunken towards the ground direction, and a buffer layer used for buffering pressure is arranged on the end face of the horizontal rod.