Inclined pipe handling lifting vehicle and use method thereof

Abstract

The present invention discloses an inclined pipe handling and lifting vehicle and a method for using the same, comprising a chassis, a lifting mechanism, a working platform, a pipe handling mechanism and a control device; the working platform is arranged on the chassis through the lifting mechanism, the pipe handling mechanism is arranged on the working platform, and the control device is arranged on the chassis and connected with the chassis, the lifting mechanism, the working platform and the pipe handling mechanism. The present invention adopts the pipe handling mechanism to realize automatic handling and placement of the pipe, and cooperates with the chassis and the lifting mechanism to realize the lifting operation of the pipe, realizes automatic handling and lifting of the pipe, avoids the construction of a climbing frame, saves the construction period and reduces the labor intensity, effectively improves the operation efficiency and ensures the construction safety.

Description

Technical Field

[0001] The invention relates to the technical field of building construction auxiliary tools, and in particular to an inclined pipe transport lifting vehicle and a use method thereof. Background Art

[0002] At present, for the sake of indoor beauty, the installation of pipelines inside buildings is generally carried out on the roof. In actual construction, it is necessary to solve the problems of pipeline lifting and installation at high places. At present, pipeline installation operations mostly adopt the method of manual installation. The specific construction is to set up a climbing work frame, and then the operator installs the pipeline on the climbing work frame, but the above construction method has many defects. First, the pipeline is generally long in size and heavy in weight, which leads to the problems of high labor intensity, low work efficiency and large installation hidden dangers during manual operation, and the construction work cannot be completed quickly. In addition, auxiliary facilities such as climbing work frames need to be set up, and the disassembly and assembly of the climbing work frame are relatively cumbersome, which further increases the workload and reduces the construction efficiency. At the same time, the climbing work frame needs to occupy more construction materials and working space, which brings more inconvenience to the construction. There is also the use of a climbing vehicle for climbing operations, but the climbing vehicle has a small working space, and the pipeline cannot be placed safely, and it cannot be used independently for pipeline installation operations. The present invention provides an inclined pipeline handling lifting vehicle and a method for using the same to solve the above problems. Summary of the invention

[0003] The present invention provides an inclined pipe transport and lifting vehicle and a use method thereof, which can realize automatic transport and lifting of pipes, play a role in guiding construction, effectively improve construction progress, and reduce labor intensity.

[0004] The technical solution adopted by the present invention to solve the above technical problems is:

[0005] An inclined pipe handling lifting vehicle comprises a chassis, a lifting mechanism, a working platform, a pipe handling mechanism and a control device; the working platform is arranged on the chassis through the lifting mechanism, the pipe handling mechanism is arranged on the working platform, and the control device is arranged on the chassis and connected with the chassis, the lifting mechanism, the working platform and the pipe handling mechanism;

[0006] The lifting mechanism includes a lifting arm, a fixed platform and a tilting structure. The fixed platform is arranged on the chassis through the lifting arm. The bottom of the tilting structure is arranged on the fixed platform, and the top is connected to the working platform to drive the working platform to tilt toward the front end.

[0007] Furthermore, the pipe handling mechanism includes a front fork bracket structure, a support roller assembly, a pipe holding clamp assembly and an auxiliary support roller, the front fork bracket structure is arranged at the front end of the working platform, the support roller assembly is arranged at the front and rear ends of the working platform, the pipe holding clamp assembly and the auxiliary support roller are respectively arranged at the front and rear parts of the working platform, and are located between the two support roller assemblies.

[0008] Furthermore, the working platform comprises a translation structure and a frame, wherein the translation structure is arranged on the tilting structure, and the frame is arranged on the translation structure.

[0009] Furthermore, the front fork bracket structure includes an adjusting fork and a power device, the adjusting fork is movably connected to the front end of the working platform, and the power device is arranged between the working platform and the adjusting fork.

[0010] Furthermore, the supporting roller assembly comprises a movable roller and an adjusting slide rail, the adjusting slide rail is arranged on the working platform, the movable roller is arranged on the adjusting slide rail, and the movable roller is provided with a power device.

[0011] Furthermore, the pipe holding clamp assembly includes a pipe holding clamp and a movable slide rail, the pipe holding clamp is arranged on the movable slide rail, and the movable slide rail is movably connected to the working platform.

[0012] Furthermore, the movable slide rail is connected to the working platform via a sliding structure, the sliding structure includes a slider and a power device, the movable slide rail is connected to the slider, the slider is movably connected to the working platform, and the power device is arranged on the slider.

[0013] Furthermore, the auxiliary support roller includes a fixing frame and a support roller, the support roller is arranged on the fixing frame, and the fixing frame is fixedly connected to the working platform.

[0014] Furthermore, the chassis includes a frame, moving wheels, a detection structure and legs, the control device is arranged on the frame, the moving wheels and the legs are arranged on the frame, and the detection structure is arranged on the front side of the frame.

[0015] A method for using an inclined pipe transport lifting vehicle is characterized by comprising the following steps:

[0016] S1, equipment in place: through the cooperation of the control device and the detection structure, the vehicle body is moved to the pipeline storage place;

[0017] S2, the clamping structure is in place: the tilting structure is controlled to extend to flip and lift the translation structure, and at the same time, the translation structure is controlled to push the frame forward and translate, and at the same time, the power device on the front fork bracket structure is controlled to drive the front fork bracket structure to swing downward, so that the front fork bracket structure fits the ground;

[0018] S3, clamping the pipe: control the chassis to move forward so that the fork of the adjustment fork is aligned with the pipe, and continue to move the chassis forward to clamp the adjustment fork on both sides of the pipe to clamp and fix the pipe;

[0019] S4, lifting the pipeline: controlling the power device on the front fork bracket structure to drive the front fork bracket structure to swing upward, driving the end of the pipeline on the adjustment fork to be lifted together, until the end of the pipeline is located above the supporting roller assembly;

[0020] S5, hold the pipe tightly: control the support roller assembly at the front end to move forward to the bottom of the pipe, control the moving roller to move left and right to the bottom of the pipe, then control the front fork bracket structure to swing downward, place the end of the pipe on the support roller assembly, control the front fork bracket structure to continue to move downward until the pipe is released, then control the pipe holding clamp assembly to move forward to the front end of the pipe, and control the pipe holding clamp to clamp the end of the pipe;

[0021] S6, translating the pipeline: controlling the pipe clamp assembly to drive the pipeline to move backward until the pipe clamp assembly moves to the middle of the working platform, controlling the tilting structure to retract, resetting the frame to a horizontal state, and resetting the translation structure at the same time, so that the pipeline is in a horizontal state;

[0022] S7, transporting the pipe: control the pipe clamp assembly to continue to drive the pipe to move backward. When the end of the pipe reaches the position of the auxiliary support roller, open the pipe clamp to place the pipe on the auxiliary support roller, and control the support roller assembly at the rear end to move left and right to align with the pipe. At the same time, the pipe clamp assembly moves forward a certain distance and clamps the pipe again, and then drives the pipe to continue to move backward. Repeat the above operation until the middle part of the pipe is located on the frame;

[0023] S8, transfer pipeline: place installation accessories on the working platform and control the chassis to move to the pipeline installation position;

[0024] S9, Install the pipeline: unfold the legs to support the chassis, control the lifting arm to rise to the working height and lock it, and then install the pipeline until the work is completed.

[0025] The beneficial effects of the present invention are as follows:

[0026] A pipeline handling mechanism is set up to realize automatic transportation and placement of pipelines, and the chassis and lifting mechanism are used to realize the lifting operation of the pipeline, thus realizing automatic transportation and lifting of the pipeline, avoiding the need to set up a climbing frame for construction, saving construction period and reducing labor intensity, effectively improving operating efficiency and ensuring construction safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the lifting state structure of the present invention;

[0028] Figure 2It is a schematic front view of the structure in a lifting state of the present invention;

[0029] Figure 3 It is a schematic side view of the structure in a lifting state of the present invention;

[0030] Figure 4 It is a schematic top view of the structure in a lifting state of the present invention;

[0031] Figure 5 It is a schematic diagram of the front side of the tilted state of the present invention;

[0032] Figure 6 It is a schematic diagram of the rear side of the tilted state of the present invention;

[0033] Figure 7 It is a schematic front view of the structure of the present invention in an inclined state;

[0034] Figure 8 It is a schematic side view of the structure of the present invention in an inclined state;

[0035] Fig. 9 It is a schematic diagram of the structure of the support roller assembly of the present invention;

[0036] Fig.10 It is a schematic diagram of the structure of the pipe holding clamp assembly of the present invention.

[0037] Figure numbers: 1-chassis, 2-lifting mechanism, 21-lifting arm, 22-fixed platform, 23-tilting structure, 3-working platform, 31-translational structure, 32-frame, 4-pipe handling mechanism, 41-front fork bracket structure, 411-adjusting fork, 42-support roller assembly, 421-moving roller, 422-adjusting slide rail, 43-pipe holding clamp assembly, 431-pipe holding clamp, 432-moving slide rail, 433-sliding structure, 44-auxiliary support roller. DETAILED DESCRIPTION

[0038] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings of the specification. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0039] In the description of this patent, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing this patent and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this patent.

[0040] like Figure 1-8 As shown, an inclined pipe transport lifting vehicle comprises a chassis 1, a lifting mechanism 2, a working platform 3, a pipe transporting mechanism 4 and a control device; the working platform 3 is arranged on the chassis 1 through the lifting mechanism 2 as a working platform, the pipe transporting mechanism 4 is arranged on the working platform 3, and is used to transport the pipe from the ground to the working platform, and the control device is arranged on the chassis 1 and connected to the chassis 1, the lifting mechanism 2, the working platform 3 and the pipe transporting mechanism 4.

[0041] like Figure 1 , 2 As shown in Figures 5, 6, 7 and 8, the lifting mechanism 2 includes a lifting arm 21, a fixed platform 22 and a tilting structure 23. The fixed platform 22 is arranged on the chassis 1 through the lifting arm 21. The bottom of the tilting structure 23 is arranged on the fixed platform 22, and the top is connected to the working platform 3 to drive the working platform 3 to tilt toward the front end. The lifting arm 21 is used for lifting and lowering to achieve high-altitude operation. The fixed platform 22 is used to place the tilting structure 23 and is used to connect with the working platform 3. When the tilting structure 23 is extended, the working platform 3 is adjusted from a horizontal state to a tilted state, thereby carrying the pipeline.

[0042] like Figure 1 , 5 As shown in Figures 6 and 7, further, the pipe handling mechanism 4 includes a front fork bracket structure 41, a support roller assembly 42, a pipe clamp assembly 43 and an auxiliary support roller 44. The front fork bracket structure 41 is arranged at the front end of the working platform 3, the support roller assembly 42 is arranged at the front and rear ends of the working platform 3, the pipe clamp assembly 43 and the auxiliary support roller 44 are arranged at the front and rear parts of the working platform 3, respectively, and are located between the two support roller assemblies 42. The front fork bracket structure 41 is used for clamping and fixing the pipe, the support roller assembly 42 is used for supporting the pipe, one support roller assembly 42 is arranged at the front and rear, and the two support roller assemblies 42 realize the support, placement and fixing of the pipe, the pipe clamp assembly 43 is used to hold the pipe tightly and pull the pipe to move, so as to realize the movement of the pipe, and the auxiliary support roller 44 plays an auxiliary supporting role to avoid the pipe being unable to be placed due to the downward deflection of the pipe.

[0043] like Figure 1 , 5As shown in Figure 6, further, the working platform 3 includes a translation structure 31 and a frame 32. The translation structure 31 is arranged on the tilting structure 23, and the frame 32 is arranged on the translation structure 31. The frame 32 is driven to move forward and backward by the movement of the translation structure 31.

[0044] Furthermore, the translation structure 31 includes a translation fixed frame and a translation slide, the translation fixed frame is fixedly connected to the tilting structure 23, the translation slide is arranged at the bottom of the frame body 32 and movably connected to the translation fixed frame, and the translation slide is driven by a motor to move back and forth on the translation fixed frame.

[0045] like Figure 7 As shown, further, the front fork bracket structure 41 includes an adjusting fork 411 and a power device. The adjusting fork 411 is hingedly connected to the front end of the working platform 3 and rotates around the axis. The power device is arranged between the working platform 3 and the adjusting fork 411, and is located below the working platform 3. The adjusting fork 411 is driven to swing up and down by the extension and retraction of the power device. The power device on the front fork bracket structure 41 is a hydraulic rod.

[0046] Preferably, the adjusting support fork 411 comprises a mounting seat and a fork body, the fork bodies are arranged in pairs, and each pair of two fork bodies clamps and fixes the pipeline on both sides of the pipeline.

[0047] like Fig. 9 As shown, further, the support roller assembly 42 includes a moving roller 421 and an adjusting slide rail 422, the adjusting slide rail 422 is arranged on the working platform 3, the moving roller 421 is arranged on the adjusting slide rail 422, and a power device is arranged on the moving roller 421, and the power device on the moving roller 421 is a motor. The moving roller 421 moves left and right on the adjusting slide rail 422 to adjust the position, and drives the pipeline to move left and right together to achieve pipeline alignment.

[0048] Preferably, the movable rollers 421 are arranged in groups on the adjusting slide rails 422 .

[0049] like Fig.10 As shown, further, the pipe holding clamp assembly 43 includes a pipe holding clamp 431 and a movable slide rail 432, the pipe holding clamp 431 is arranged on the movable slide rail 432, and the movable slide rail 432 is movably connected to the working platform 3.

[0050] Preferably, the pipe holding clamps 431 are arranged in groups on the movable slide rail 432.

[0051] like Fig.10As shown, further, the movable slide rail 432 is connected to the working platform 3 through a sliding structure 433, the sliding structure 433 includes a slider and a power device, the power device on the sliding structure 433 is a motor, the movable slide rail 432 is connected to the slider, the slider is movably connected to the working platform 3 and moves forward and backward along the length direction of the working platform, a slide rail is provided on the side of the working platform, the slider of the sliding structure 433 is located on the slide rail, and the power device is provided on the slider to drive the slider to move. The power device of the sliding structure 433 is a motor.

[0052] The pipe holding clamp 431 is used to clamp the pipe, and the movable slide rail 432 is used to adjust the left and right position of the pipe holding clamp 431 to achieve left and right alignment of the pipe; the sliding structure 433 is used to drive the pipe holding clamp 431 and the movable slide rail 432 to move forward and backward, so as to move the pipe to the work platform and adjust the placement position of the pipe.

[0053] Furthermore, the auxiliary support roller 44 includes a fixing frame and a support roller, the support roller is arranged on the fixing frame, and the fixing frame is fixedly connected to the working platform 3.

[0054] Furthermore, the chassis 1 includes a frame, moving wheels, a detection structure and legs, the control device is arranged on the frame, the moving wheels and legs are arranged on the frame, and the detection structure is arranged on the front side of the frame. The detection structure is a radar system, which is used for work position positioning and environmental detection. Through the cooperation of the detection structure and the control device, automated and intelligent operations can be realized to improve construction efficiency.

[0055] A method for using an inclined pipe handling lift comprises the following steps:

[0056] S1, equipment in place: through the cooperation of the control device and the detection structure, the vehicle body is moved to the pipeline storage place;

[0057] S2, the clamping structure is in place: the tilting structure 23 is controlled to extend to flip and lift the translation structure 31, and the translation structure 31 is controlled to move to push the frame 32 forward and translate, and the power device on the front fork bracket structure 41 is controlled to drive the front fork bracket structure 41 to swing downward, so that the front fork bracket structure 41 is in contact with the ground;

[0058] S3, clamping the pipe: controlling the chassis 1 to move forward so that the fork body of the adjusting fork 411 is aligned with the pipe, and continuing to move the chassis 1 forward to clamp the adjusting fork 411 on both sides of the pipe to clamp and fix the pipe;

[0059] S4, lifting the pipeline: controlling the power device on the front fork bracket structure 41 to drive the front fork bracket structure 41 to swing upward, driving the end of the pipeline on the adjustment fork 411 to be lifted together, until the end of the pipeline is located above the supporting roller assembly 42;

[0060] S5, holding the pipe tightly: controlling the support roller assembly 42 at the front end to move forward to the bottom of the pipe, controlling the moving roller 421 to move left and right to the bottom of the pipe, and then controlling the front fork bracket structure 41 to swing downward, placing the end of the pipe on the support roller assembly 42, and then controlling the front fork bracket structure 41 to continue to move downward to release the pipe, and then controlling the pipe holding clamp assembly 43 to move forward to the front end of the pipe, and controlling the pipe holding clamp 431 to clamp the end of the pipe;

[0061] S6, translating the pipeline: controlling the pipe clamp assembly 43 to drive the pipeline to move backward together, until the pipe clamp assembly 43 moves to the middle of the working platform 3, controlling the tilting structure 23 to retract, resetting the frame 32 to a horizontal state, and resetting the translation structure 31 at the same time, so that the pipeline is in a horizontal state;

[0062] S7, transporting the pipe: controlling the pipe clamp assembly 43 to continue to drive the pipe to move backward. When the end of the pipe reaches the position of the auxiliary support roller 44, the pipe clamp 431 is opened to place the pipe on the auxiliary support roller 44, and the support roller assembly 42 at the rear end is controlled to move left and right to align with the pipe to support the pipe. At the same time, the pipe clamp assembly 43 moves forward a certain distance and clamps the pipe again, and then drives the pipe to continue to move backward. Repeat the above operation until the middle part of the pipe is located on the frame 32;

[0063] S8, transfer pipeline: place installation accessories on the working platform 3, and control the vehicle body to move to the pipeline installation position;

[0064] S9, installing the pipeline: unfold the legs to support the chassis 1, control the lifting arm 21 to rise to the working height and lock it, and then install the pipeline until the operation is completed.

[0065] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-limiting from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention, and any reference numerals in the claims should not be regarded as limiting the claims involved.

Claims

1. An inclined pipe handling lift, characterized in that: The invention comprises a chassis (1), a lifting mechanism (2), a working platform (3), a pipeline transport mechanism (4) and a control device; the working platform (3) is arranged on the chassis (1) via the lifting mechanism (2); the pipeline transport mechanism (4) is arranged on the working platform (3); and the control device is arranged on the chassis (1) and connected to the chassis (1), the lifting mechanism (2), the working platform (3) and the pipeline transport mechanism (4); The lifting mechanism (2) comprises a lifting arm (21), a fixed platform (22) and a tilting structure (23); the fixed platform (22) is arranged on the chassis (1) via the lifting arm (21); the bottom of the tilting structure (23) is arranged on the fixed platform (22) and the top is connected to the working platform (3) to drive the working platform (3) to tilt toward the front end; The pipe handling mechanism (4) comprises a front fork bracket structure (41), a support roller assembly (42), a pipe holding clamp assembly (43) and an auxiliary support roller (44); the front fork bracket structure (41) is arranged at the front end of the working platform (3); the support roller assembly (42) is arranged at the front and rear ends of the working platform (3); the pipe holding clamp assembly (43) and the auxiliary support roller (44) are respectively arranged at the front and rear ends of the working platform (3) and are located between the two support roller assemblies (42); The front fork bracket structure (41) comprises an adjusting fork (411) and a power device, wherein the adjusting fork (411) is movably connected to the front end of the working platform (3) and rotates around an axis, and the power device is arranged between the working platform (3) and the adjusting fork (411). The power device on the front fork bracket structure (41) drives the front fork bracket structure (41) to swing upward, thereby driving the end of the pipeline on the adjusting fork (411) to be lifted together, until the end of the pipeline is located above the supporting roller assembly (42), thereby lifting the pipeline; The adjusting support fork (411) comprises a mounting seat and a fork body, the fork bodies are arranged in pairs, and each pair of two fork bodies are forked on both sides of the pipeline to clamp and fix the pipeline; The pipe holding clamp assembly (43) comprises a pipe holding clamp (431) and a movable slide rail (432); the pipe holding clamp (431) is arranged on the movable slide rail (432); and the movable slide rail (432) is movably connected to the working platform (3); The working platform (3) comprises a translation structure (31) and a frame (32); the translation structure (31) is arranged on the tilting structure (23), and the frame (32) is arranged on the translation structure (31).

2. The inclined pipe transport lifting vehicle according to claim 1 is characterized in that: The supporting roller assembly (42) comprises a moving roller (421) and an adjusting slide rail (422); the adjusting slide rail (422) is arranged on the working platform (3); the moving roller (421) is arranged on the adjusting slide rail (422); and a power device is arranged on the moving roller (421).

3. The inclined pipe transport lifting vehicle according to claim 1 is characterized in that: The movable slide rail (432) is connected to the working platform (3) via a sliding structure (433); the sliding structure (433) comprises a slider and a power device; the movable slide rail (432) is connected to the slider; the slider is movably connected to the working platform (3); and the power device of the sliding structure (433) is arranged on the slider.

4. The inclined pipe transport lifting vehicle according to claim 1 is characterized in that: The auxiliary support roller (44) comprises a fixing frame and a support roller, the support roller is arranged on the fixing frame, and the fixing frame is fixedly connected to the working platform (3).

5. The inclined pipe transport lifting vehicle according to claim 2 is characterized in that: The chassis (1) comprises a frame, moving wheels, a detection structure and legs, the control device is arranged on the frame, the moving wheels and the legs are arranged on the frame, and the detection structure is arranged on the front side of the frame.

6. The method for using the inclined pipe transport lifting vehicle according to claim 5 is characterized in that: The following steps are involved: S1, equipment in place: through the cooperation of the control device and the detection structure, the vehicle body is moved to the pipeline storage place; S2, the clamping structure is in place: the tilting structure (23) is controlled to extend to flip and lift the translation structure (31), and at the same time, the translation structure (31) is controlled to move to push the frame (32) forward and translate, and at the same time, the power device on the front fork bracket structure (41) is controlled to drive the front fork bracket structure (41) to swing downward, so that the front fork bracket structure (41) is in contact with the ground; S3, clamping the pipe: controlling the chassis (1) to move forward so that the fork body of the adjustment fork (411) is aligned with the pipe, and the chassis (1) is further moved forward to clamp the adjustment fork (411) on both sides of the pipe to clamp and fix the pipe; S4, lifting the pipeline: controlling the power device on the front fork bracket structure (41) to drive the front fork bracket structure (41) to swing upward, thereby driving the end of the pipeline on the adjustment fork (411) to be lifted together, until the end of the pipeline is located above the supporting roller assembly (42); S5, holding the pipe tightly: controlling the support roller assembly (42) at the front end to move forward to below the pipe, controlling the moving roller (421) to move left and right to below the pipe, then controlling the front fork bracket structure (41) to swing downward, placing the end of the pipe on the support roller assembly (42), then controlling the front fork bracket structure (41) to continue to move downward until the pipe is released, then controlling the pipe holding clamp assembly (43) to move forward to the front end of the pipe, and controlling the pipe holding clamp (431) to clamp the end of the pipe; S6, moving the pipeline horizontally: controlling the pipe holding clamp assembly (43) to drive the pipeline to move backwards together, until the pipe holding clamp assembly (43) moves to the middle of the working platform (3), controlling the tilting structure (23) to retract, resetting the frame (32) to a horizontal state, and simultaneously resetting the translation structure (31), so that the pipeline is in a horizontal state; S7, transporting the pipe: controlling the pipe clamp assembly (43) to continue to drive the pipe to move backwards, and when the end of the pipe reaches the position of the auxiliary support roller (44), opening the pipe clamp (431) to place the pipe on the auxiliary support roller (44), and controlling the support roller assembly (42) at the rear end to move left and right to align with the pipe, while the pipe clamp assembly (43) moves forward a certain distance and clamps the pipe again, and then drives the pipe to continue to move backwards, and repeats the above operation until the middle part of the pipe is located on the frame (32); S8, transfer pipeline: place installation accessories on the working platform (3), and control the chassis (1) to move to the pipeline installation position; S9, installing the pipeline: unfold the legs to support the chassis (1), control the lifting arm (21) to rise to the working height and lock it, and then carry out the pipeline installation operation until the operation is completed.

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