CN117360366A - Pipeline transportation and installation tool and method for large-gradient pipe gallery - Google Patents

Abstract

The invention discloses a pipeline transportation installation tool and a method for a large-gradient pipe gallery, wherein the pipeline transportation installation tool comprises a chassis, a power system arranged on the chassis, wheels arranged in the middle of the lower part of the chassis, two pairs of driving units respectively arranged at two ends of the chassis, two execution devices arranged above the chassis at intervals, and an automatic wheel block matched with the driving units, wherein the wheels are matched with a guide rail; through adjusting actuating mechanism, can realize the multidirectional degree of freedom regulation of pipeline, not only improved the security and the flexibility of machines in transportation installation, still improved the installation accuracy, through the cooperation between automatic gear and the drive unit, not only make the machines break away from the guide rail and can independently travel, can carry out the quarter turn, still realize under the road surface is the environment of slope, this machines can carry out steady braking, the rubber layer of disposition of arc rotator top, the gyration locking pin of inserting on the slewing mechanism has further promoted the stability of machines in transportation installation.

Description

Pipeline transportation and installation tool and method for large-gradient pipe gallery

Technical Field

The invention belongs to the field of pipe gallery transport vehicles, and particularly relates to a pipeline transport installation tool and method for a large-gradient pipe gallery.

Background

The transportation of pipeline in the construction of current piping lane generally adopts truck or human shallow, and hoist and mount of pipeline adopts driving, folding arm to hang and truck-mounted to hang generally. These transportation mode and mounting means are great to the gallery space demand, and construction cost is higher, and inefficiency simultaneously, installation accuracy is not high, and the security is poor in hoist and mount and the transportation, and equipment flexibility is relatively poor, the easy collision that appears, damage scheduling problem.

In the prior art, some special machines for pipeline transportation are usually in a track type, so that the efficiency, the precision and the safety are enhanced, but due to the limitation of gravity factors and the friction coefficient of the track, when the machines are operated in an environment with a large gradient, the machines are braked on the track and are unreliable, potential safety hazards exist in long-term use, and the special machines have the functions of transportation, pre-positioning and installation.

Disclosure of Invention

In order to solve part or all of the technical problems in the prior art, the invention provides a pipeline transportation and installation tool and a pipeline transportation and installation method for a heavy-gradient pipe gallery.

The invention provides a pipeline transportation installation tool for a large-gradient pipe gallery, which is pre-buried with a guide rail, and comprises a chassis, a power system arranged on the chassis, wheels arranged in the middle of the lower part of the chassis, two pairs of driving units respectively arranged at two ends of the chassis, two execution devices arranged above the chassis at intervals, and an automatic wheel block matched with the driving units, wherein the wheels are matched with the guide rail, and the pipeline transportation installation tool comprises the following components:

the executing device comprises a horizontal telescopic component, a vertical telescopic component and a base, wherein the horizontal telescopic component and the vertical telescopic component are mutually and vertically connected, the base is fixed on the chassis, one end, far away from the horizontal telescopic component, of the vertical telescopic component is connected with a slewing mechanism through a transition section, the slewing mechanism is connected above the base, one side of the horizontal telescopic component is connected with a conveying support, and one side, far away from the horizontal telescopic component, of the conveying support is connected with a plurality of rotating mechanisms;

the automatic wheel guard comprises a horizontal sliding rod fixedly connected to one end of the chassis, a horizontal sleeve sleeved on the periphery of the horizontal sliding rod, a vertical sliding rod vertically connected to the lower portion of the sliding sleeve, and a vertical sleeve sleeved on the periphery of the vertical sliding rod, wherein the horizontal sleeve is in telescopic connection with the chassis through a horizontal driving oil cylinder, the vertical sleeve is in telescopic connection with the horizontal sleeve through the horizontal driving oil cylinder, and the wheel guard is installed on one side of the vertical sleeve, which is close to the driving unit.

Further, in the above-mentioned pipeline transportation installing tool for heavy grade piping lane, the horizontal telescopic subassembly includes from interior to outer sleeve, well sleeve, the outer sleeve that cup joints in proper order, outer sleeve bottom with telescopic connection has horizontal telescopic cylinder between the inner sleeve, inner sleeve one side fixedly connected with the transportation support, vertical telescopic subassembly includes two vertical telescopic cylinders that are parallel to each other, installs two vertical telescopic cylinder between the vertical telescopic cylinder, and two vertical telescopic cylinder with the equal telescopic connection of vertical telescopic cylinder in horizontal telescopic subassembly with between the changeover portion.

Further, in the above-mentioned pipeline transportation and installation tool for heavy grade pipe gallery, rotary mechanism include be fixed in through the fastener the rotation fixed bolster of transportation support one side, articulate in rotation fixed bolster top's rotation driver, rotation fixed bolster inboard has set up the gyro wheel, rotation driver's free end articulates has the arc rotator, arc spout has been seted up to arc rotator both sides, the gyro wheel match in the arc spout.

Further, in the above-mentioned pipeline transportation and installation tool for heavy grade piping lane, the drive unit includes the cantilever, installs the wheel hub at cantilever both ends, the inside and outside both sides of wheel hub are provided with driving motor and tire respectively, the jacking cylinder has been disposed to the cantilever top, the jacking cylinder has a steering unit through cantilever support connection, steering unit articulated in the chassis lower extreme, cantilever support free end is connected the chassis below.

Further, in the pipe transportation and installation tool for a large-gradient pipe rack, the swing mechanism is provided with a swing locking pin in an inserted manner.

Further, in the above-mentioned pipe transportation and installation tool for a heavy-gradient pipe gallery, the free ends of the vertical slide bars and the free ends of the horizontal slide bars in the automatic wheel chock are respectively sleeved with a lock nut.

In one embodiment, in the above-mentioned piping transportation and installation tool for a heavy-gradient pipe rack, the wheels are dual-rim wheels.

In one embodiment, in the pipe transportation and installation tool for a heavy-gradient pipe rack, a rubber layer is disposed above the arc-shaped rotating body.

The pipeline transportation and installation method for the large-gradient pipe gallery provided by the invention comprises the following steps of:

step 1: the power system is started, the lifting oil cylinder lifts the chassis, the machine is moved to the vicinity of a pipeline to be transported through the driving unit, and the pipeline is lifted to the arc-shaped rotating body through the lifting appliance;

step 2: the machine tool is moved to the position above the guide rail through the driving unit, so that the wheels are opposite to the guide rail, and the height of the jacking cylinder is adjusted to the height that the wheel tread can be abutted against the top end of the guide rail;

step 3: the machine tool is moved to a designated installation position under the working of the driving unit, then the automatic wheel gear is used for braking the driving unit, and the butt joint and the installation of the pipeline are completed by controlling the stroke difference between the horizontal telescopic mechanism and the vertical telescopic mechanism on the two actuating mechanisms and simultaneously controlling the rotation of the rotating mechanism;

step 4: after the whole pipeline is installed, the brake of the automatic wheel block on the driving unit is released, then the driving unit is used for moving the lifting oil cylinder to a special position for storing the lifting oil cylinder, finally the height of the lifting oil cylinder is adjusted to be the height that the wheel tread with double wheel edges is separated from the top end of the guide rail, the power system is closed, and the transportation and the installation of the pipeline are completed.

The pipeline transportation and installation tool and method for the heavy-gradient pipe gallery have the following advantages and positive effects:

(1) The multi-directional freedom degree adjustment of the pipeline can be realized by adjusting the rotation of the slewing mechanism, controlling the stroke difference of the horizontal telescopic assembly and the vertical telescopic assembly and simultaneously controlling the rotation of the rotating mechanism, so that the safety and the flexibility of the machine tool in the transportation and installation process are improved, and the installation precision is also improved;

(2) Through the cooperation between the automatic wheel block and the driving unit, the machine can not only independently run and can turn right angles after being separated from the guide rail, but also realize that the machine can stably brake in an environment with a road surface being a gradient, thereby preventing production accidents such as sliding and the like from occurring and further safely completing the transportation and the installation of the pipeline;

(3) The rubber layer arranged above the arc-shaped rotating body and the rotating locking pin inserted on the rotating mechanism further improve the safety and stability of the machine tool in the transportation and installation process.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the solutions of the prior art, the drawings which are necessary for the description of the embodiments or the prior art are briefly described below, it being evident that the drawings which are presented below are only for a further understanding of the embodiments of the present invention and form a part thereof, from which other drawings can be obtained without inventive effort for a person skilled in the art. In the drawings:

FIG. 1 is a schematic view of a prior art heavy grade pipe gallery;

FIG. 2 is a schematic illustration of a pipe transportation installation tool for a high grade pipe rack of the apparatus of the present invention;

FIG. 3 is a schematic view of the configuration of an automatic gear in a pipe transportation installation tool for a heavy grade pipe rack of the apparatus of the present invention;

FIG. 4 is a schematic view of the drive unit of the pipe transportation installation for a heavy grade pipe rack of the apparatus of the present invention;

FIG. 5 is a schematic view of the structure of the implement of the present invention in a pipe transportation installation for a heavy grade pipe rack;

FIG. 6 is an enlarged view of a portion of section I of FIG. 5;

fig. 7 and 8 are schematic structural views of a rotating mechanism in a pipe transporting and installing machine for a pipe rack with a large gradient of the apparatus of the present invention, wherein fig. 8 is a sectional view taken along A-A in fig. 7.

Reference numerals illustrate:

1-chassis, 11-wheels, 2-power system, 3-implement, 31-horizontal telescoping assembly, 311-inner sleeve, 312-middle sleeve, 313-outer sleeve, 314-horizontal telescoping ram, 32-vertical telescoping assembly, 321-vertical telescoping ram, 322-vertical telescoping ram, 33-base, 34-transition section, 35-swing mechanism, 36-transport carriage, 37-swing mechanism, 371-rotation fixed carriage, 372-swing drive, 373-roller, 374-arc rotator, 375-arc runner, 376-rubber layer, 38-swing lock pin, 4-drive unit, 41-cantilever, 42-hub, 43-drive motor, 44-tire, 45-cantilever carriage, 46-steering unit, 47-jack-up ram, 5-automatic gear, 51-horizontal slide bar, 52-horizontal sleeve, 53-vertical slide bar, 54-vertical sleeve, 55-horizontal drive ram, 56-vertical drive ram, 57-gear, 58-lock nut, 100-pipe lane, 200-pipe lane, 300-guide rail.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to specific embodiments of the present invention and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

As shown in fig. 1, the pipe transportation and installation tool for the heavy-gradient pipe gallery of the present invention can move on the guide rail 300 pre-buried in the pipe gallery 100, and the pipe transportation and installation tool for the heavy-gradient pipe gallery of the present invention comprises a chassis 1, a power system 2 arranged on the chassis 1, wheels 11 arranged in the middle of the lower part of the chassis 1, two pairs of driving units 4 respectively arranged at two ends of the chassis 1, two execution devices 3 arranged above the chassis 1 at intervals, an automatic wheel block 5 matched with the driving units 4, and the wheels 11 matched with the guide rail 300.

The execution device 3 comprises a horizontal telescopic component 31, a vertical telescopic component 32 and a base 33, wherein the horizontal telescopic component 31 and the vertical telescopic component 32 are mutually and vertically connected, one end, far away from the horizontal telescopic component 31, of the vertical telescopic component 32 is connected with a slewing mechanism 35 through a transition section 34, the slewing mechanism 35 is connected above the base 33, one side of the horizontal telescopic component 31 is connected with a conveying support 36, and one side, far away from the horizontal telescopic component 31, of the conveying support 36 is connected with a plurality of rotating mechanisms 37.

Further, in the pipe-transporting and installing machine for a large-gradient pipe rack of the present invention, the number of the rotating mechanisms 37 is not limited, and for example, the number of the rotating mechanisms 37 is 2 or more.

The automatic wheel guard 5 comprises a horizontal sliding rod 51 fixedly connected to one end of the chassis 1, a horizontal sleeve 52 sleeved on the periphery of the horizontal sliding rod 51, a vertical sliding rod 53 vertically connected below the horizontal sleeve 52, and a vertical sleeve 54 sleeved on the periphery of the vertical sliding rod 53, wherein the horizontal sleeve 52 is in telescopic connection with the chassis 1 through a horizontal driving oil cylinder 55, the vertical sleeve 54 is in telescopic connection with the horizontal sleeve 52 through the horizontal driving oil cylinder 55, and the wheel guard 57 is arranged on one side, close to the driving unit 4, of the vertical sleeve 54.

When the horizontal driving cylinder 55 stretches out, the horizontal sleeve 52 slides along the horizontal sliding rod 51 towards the direction away from one end of the chassis 1, meanwhile, the wheel block 57 is driven to move towards the direction away from one end of the chassis 1, when the horizontal driving cylinder 55 contracts, the horizontal sleeve 52 slides along the horizontal sliding rod 51 towards the direction close to one end of the chassis 1, meanwhile, the wheel block 57 is driven to move towards the direction close to one end of the chassis 1, when the vertical driving cylinder 56 stretches out, the vertical sleeve 54 slides downwards along the vertical sliding rod 53, meanwhile, the wheel block 57 is driven to move downwards, and when the vertical driving cylinder 56 contracts, the vertical sleeve 54 slides upwards along the vertical sliding rod 53, and meanwhile, the wheel block 57 is driven to move upwards.

Further, in the pipe transportation installation tool for the heavy gradient pipe rack of the present invention, the horizontal telescopic assembly 31 comprises an inner sleeve 311, a middle sleeve 312 and an outer sleeve 313 which are sleeved in sequence from inside to outside, a horizontal telescopic cylinder 314 is connected between the bottom of the outer sleeve 313 and the inner sleeve 311 in a telescopic manner, a transportation bracket 36 is fixedly connected to one side of the inner sleeve 311, the vertical telescopic assembly 32 comprises two vertical telescopic cylinders 321 which are parallel to each other, and a vertical telescopic sleeve 322 which is installed between the two vertical telescopic cylinders 321, and the two vertical telescopic cylinders 321 and the vertical telescopic sleeve 322 are connected between the horizontal telescopic assembly 31 and the transition section 34 in a telescopic manner.

When the horizontal telescopic cylinder 314 stretches out, the middle sleeve 312 moves along the inner wall of the outer sleeve 313 to stretch out, the inner sleeve 311 drives the transportation bracket 36 to move along the inner wall of the middle sleeve 312 to stretch out, when the horizontal telescopic cylinder 314 contracts, the middle sleeve 312 moves along the inner wall of the outer sleeve 313 to contract in direction, the inner sleeve 311 drives the transportation bracket 36 to move along the inner wall of the middle sleeve 312 to contract in direction, one end of the vertical telescopic cylinder 321 far away from the chassis 1 is hinged below the outer sleeve 313, when the vertical telescopic cylinder 321 stretches out, the horizontal telescopic assembly 31 drives the vertical telescopic sleeve 322 to move upwards, when the vertical telescopic cylinder 321 contracts, the horizontal telescopic assembly 31 drives the vertical telescopic sleeve 322 to move downwards, deflection change of the transportation bracket 36 during carrying the pipeline 200 can be compensated through the stroke difference of the vertical directions between the two vertical telescopic cylinders 321, and when the vertical telescopic assembly 32 works, the vertical telescopic sleeve 322 bears lateral force from the horizontal telescopic assembly 31.

Further, in the pipe transportation installation tool for the large-gradient pipe gallery, the rotary mechanism 35 is inserted with the rotary locking pin 38, during the installation process, the radial angle of the execution device 3 is adjusted through the rotary mechanism 35, and then the rotary locking pin 38 is inserted on the rotary mechanism 35, so that the radial swing and the axial swing of the execution device 3 are effectively reduced, and the rigidity of the execution device 3 is greatly improved.

Further, in the pipe transportation and installation machine for a large gradient pipe rack of the present invention, the rotation mechanism 37 includes a rotation fixing bracket 371 fixed on one side of the transportation bracket 36 by a fastener, a rotation driver 372 hinged on the upper side of the rotation fixing bracket 371, a roller 373 arranged on the inner side of the rotation fixing bracket 371, an arc-shaped rotating body 374 hinged on the free end of the rotation driver 372, arc-shaped sliding grooves 375 arranged on both sides of the arc-shaped rotating body 374, the roller 373 matching with the arc-shaped sliding grooves 375, and the rotation driver 372 drives the arc-shaped rotating body 374 to slide in the arc-shaped sliding grooves 375 by the roller 373 during operation, thereby realizing the position change of the arc-shaped rotating body 374 relative to the rotation fixing bracket 371.

As a specific embodiment, in the pipe transportation and installation tool for a heavy gradient pipe rack of the present invention, the rubber layer 376 is disposed above the arc-shaped rotating body 374, so that the friction force generated by the arc-shaped rotating body 374 in the transportation and installation process of the pipe 200 is increased, and the safety and stability of the tool in the transportation and installation process are improved.

Further, in the pipe transportation installation tool for the heavy gradient pipe gallery, the driving unit 4 comprises the cantilever 41 and the hubs 42 arranged at two ends of the cantilever 41, the driving motor 42 and the tires 44 are respectively arranged at the inner side and the outer side of the hubs 42, the jacking cylinder 47 is arranged above the cantilever 41, the jacking cylinder 47 is connected with the steering unit 46 through the cantilever bracket 45, the steering unit 46 is connected to the lower end of the chassis 1, the free end of the cantilever bracket 45 is connected to the lower part of the chassis 1, the jacking cylinder 47 extends out, the chassis 1 rises, the jacking cylinder 47 contracts, the chassis 1 descends, the driving motor 42 drives the tires 44 to rotate through the hubs 42, and the hubs 42 can rotate relative to the chassis 1 through the steering unit 46.

When the wheel block 57 abuts against the lower part of the tire 44, the tire 44 is braked, so that the machine is prevented from sliding in the heavy-gradient transportation and installation process, and the wheel block 57 can normally run when being separated from the periphery of the tire 44.

Further, in the pipe transportation and installation machine for the large-gradient pipe gallery, the free ends of the vertical sliding rods 53 and the free ends of the horizontal sliding rods 51 in the automatic wheel chock 5 are respectively sleeved with the locking nuts 58, and the locking nuts 58 can play a role in limiting the horizontal sleeve 52 and also play a role in limiting the vertical sleeve 54.

In one embodiment, in the pipe-handling installation for high grade pipe rack of the present invention, the wheels 12 are dual rim wheels.

The pipeline transportation and installation method for the large-gradient pipe gallery is implemented by the device and specifically comprises the following steps of:

step 1: starting the power system 2, jacking the chassis 1 by the jacking oil cylinder 47, moving the machine to the vicinity of the pipeline 200 to be transported through the driving unit 4, and hoisting the pipeline 200 to the arc-shaped rotating body 374 through the lifting appliance;

step 2: the machine is moved to the position above the guide rail 300 through the driving unit 4, so that the wheels 12 are opposite to the guide rail 300, and the height of the jacking cylinder 47 is adjusted to the height that the tread of the wheels 12 can be abutted against the top end of the guide rail 300;

step 3: the machine is moved to a designated installation position under the operation of the driving unit 4, then the automatic gear 5 is braked to drive the driving unit 4, and the butt joint and the installation of the pipeline 200 are completed by controlling the travel difference of the horizontal telescopic component 31 and the vertical telescopic component 32 on the two execution mechanisms 3 and simultaneously controlling the rotation of the rotating mechanism 37;

step 4: after the pipeline 200 is completely installed, the brake of the automatic wheel block 5 on the driving unit 4 is released, then the machine is moved to a special position for storing the machine through the driving unit 4, finally the height of the jacking cylinder 47 is adjusted to the height that the treads of the double-rim wheels 12 are separated from the top ends of the guide rails 300, the power system 2 is closed, and the transportation and the installation of the pipeline 200 are completed.

In summary, compared with the prior art, the pipeline transportation and installation tool and method for the heavy-gradient pipe gallery have the following advantages and positive effects:

(1) By adjusting the rotation of the slewing mechanism 35, controlling the travel difference of the horizontal telescopic assembly 31 and the vertical telescopic assembly 32 and simultaneously controlling the rotation of the rotating mechanism 37, the multidirectional degree of freedom adjustment of the pipeline 200 can be realized, so that the safety and the flexibility of the machine during transportation and installation are improved, and the installation precision is also improved;

(2) Through the cooperation between the automatic wheel chock 5 and the driving unit 4, not only can the machine be separated from the guide rail 300 to independently run and can turn right angles, but also the machine can be stably braked in the environment that the road surface is inclined, so that production accidents such as sliding and the like are prevented, and the transportation and the installation of the pipeline 200 are safely completed;

(3) The rubber layer 376 provided above the arc-shaped rotating body 374, and the rotation locking pin 38 inserted on the rotation mechanism 35 further improve the safety and stability of the machine during transportation and installation.

It should be noted that, unless explicitly stated or limited otherwise, the term "connected" or its synonyms should be construed broadly herein, and for example, "connected" may be either a fixed connection or a removable connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate medium, and may be the communication between two elements or the interaction relationship between the two elements, so that those skilled in the art will understand the specific meaning of the terms in the present invention according to the specific circumstances. Moreover, expressions such as "first" and "second" are merely used to distinguish one entity or action from another entity or action, and do not necessarily require or imply any such actual relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. In this context, "front", "rear", "left", "right", "upper" and "lower" are referred to with respect to the placement state shown in the drawings.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting thereof; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (9)

1. A pipeline transportation installing tool for heavy grade pipe gallery, pipe gallery pre-buried has the guide rail, its characterized in that, this tool includes the chassis, sets up driving system on the chassis, set up chassis below middle part the wheel, install respectively two pairs of drive units at chassis both ends, interval are installed two executive device above the chassis, match in driving unit's automatic gear, the wheel match in the guide rail, wherein:

the executing device comprises a horizontal telescopic component, a vertical telescopic component and a base, wherein the horizontal telescopic component and the vertical telescopic component are mutually and vertically connected, the base is fixed on the chassis, one end, far away from the horizontal telescopic component, of the vertical telescopic component is connected with a slewing mechanism through a transition section, the slewing mechanism is connected above the base, one side of the horizontal telescopic component is connected with a conveying support, and one side, far away from the horizontal telescopic component, of the conveying support is connected with a plurality of rotating mechanisms;

the automatic wheel guard comprises a horizontal sliding rod fixedly connected to one end of the chassis, a horizontal sleeve sleeved on the periphery of the horizontal sliding rod, a vertical sliding rod vertically connected to the lower portion of the sliding sleeve, and a vertical sleeve sleeved on the periphery of the vertical sliding rod, wherein the horizontal sleeve is in telescopic connection with the chassis through a horizontal driving oil cylinder, the vertical sleeve is in telescopic connection with the horizontal sleeve through the horizontal driving oil cylinder, and the wheel guard is installed on one side of the vertical sleeve, which is close to the driving unit.

2. The pipe transportation installation tool for the heavy-gradient pipe gallery according to claim 1, wherein the horizontal telescopic assembly comprises an inner sleeve, a middle sleeve and an outer sleeve which are sequentially sleeved from inside to outside, a horizontal telescopic oil cylinder is connected between the bottom of the outer sleeve and the inner sleeve in a telescopic manner, the transportation support is fixedly connected to one side of the inner sleeve, the vertical telescopic assembly comprises two vertical telescopic oil cylinders which are parallel to each other, a vertical telescopic sleeve which is arranged between the two vertical telescopic oil cylinders, and the two vertical telescopic oil cylinders and the vertical telescopic sleeve are connected between the horizontal telescopic assembly and the transition section in a telescopic manner.

3. The pipe transportation and installation tool for the heavy-gradient pipe rack according to claim 2, wherein the rotating mechanism comprises a rotating fixed support fixed on one side of the transportation support through a fastener and a rotating driver hinged above the rotating fixed support, rollers are arranged on the inner side of the rotating fixed support, an arc-shaped rotating body is hinged to the free end of the rotating driver, arc-shaped sliding grooves are formed in two sides of the arc-shaped rotating body, and the rollers are matched with the arc-shaped sliding grooves.

4. The pipe transportation and installation tool for the heavy-gradient pipe rack according to claim 1, wherein the driving unit comprises a cantilever and hubs arranged at two ends of the cantilever, a driving motor and tires are respectively arranged at the inner side and the outer side of the hubs, a jacking cylinder is arranged above the cantilever, the jacking cylinder is connected with a steering unit through a cantilever bracket, the steering unit is hinged to the lower end of the chassis, and the free end of the cantilever bracket is connected below the chassis.

5. The pipe transportation and installation tool for large gradient pipe rack according to claim 1, wherein a swing lock pin is inserted on the swing mechanism.

6. The pipe transportation and installation tool for the heavy-gradient pipe rack according to claim 1, wherein the free ends of the vertical slide bar and the horizontal slide bar in the automatic wheel block are sleeved with lock nuts.

7. The pipe transportation installation for heavy grade pipe rack of claim 1, wherein the wheels are dual rim wheels.

8. The pipe transportation and installation tool for a pipe rack with a large gradient according to claim 1, wherein a rubber layer is provided above the arc-shaped rotating body.

9. A pipe transportation installation method for a heavy grade pipe rack, the pipe transportation method being implemented using the pipe transportation installation tool for a heavy grade pipe rack as claimed in any one of claims 1 to 8, comprising the steps of:

step 1: the power system is started, the lifting oil cylinder lifts the chassis, the machine is moved to the vicinity of a pipeline to be transported through the driving unit, and the pipeline is lifted to the arc-shaped rotating body through the lifting appliance;

step 2: the machine tool is moved to the position above the guide rail through the driving unit, so that the wheels are opposite to the guide rail, and the height of the jacking cylinder is adjusted to the height that the wheel tread can be abutted against the top end of the guide rail;

step 3: the machine tool is moved to a designated installation position under the working of the driving unit, then the automatic wheel gear is used for braking the driving unit, and the butt joint and the installation of the pipeline are completed by controlling the stroke difference between the horizontal telescopic mechanism and the vertical telescopic mechanism on the two actuating mechanisms and simultaneously controlling the rotation of the rotating mechanism;

step 4: after the whole pipeline is installed, the brake of the automatic wheel block on the driving unit is released, then the driving unit is used for moving the lifting oil cylinder to a special position for storing the lifting oil cylinder, finally the height of the lifting oil cylinder is adjusted to be the height that the wheel tread with double wheel edges is separated from the top end of the guide rail, the power system is closed, and the transportation and the installation of the pipeline are completed.