CN115727194A

CN115727194A - Auxiliary device for modular installation of pipeline in pipeline gallery and installation method

Info

Publication number: CN115727194A
Application number: CN202211556734.9A
Authority: CN
Inventors: 王亚敏; 白金元; 王军; 贾海涛
Original assignee: MCC Tiangong Group Corp Ltd
Current assignee: MCC Tiangong Group Corp Ltd
Priority date: 2022-12-06
Filing date: 2022-12-06
Publication date: 2023-03-03

Abstract

An auxiliary device and an installation method for modularizing and installing pipelines in a pipe gallery comprise the following steps: a pipe supporting unit configured with a base plate, a top supporting rib and a pipe supporting plate; the first guide unit is arranged along the length direction of the pipeline and is provided with guide rollers which are symmetrically arranged; the guide unit II comprises an adjusting roller, and the adjusting roller is positioned right below the lowest point of the outer wall surface of the pipeline; the first guide unit and the second guide unit are detachably connected with the base plate through clamping grooves; the guide roller is arranged along the length direction of the pipeline, and the jacking rib and the adjusting roller are both arranged along the width direction of the pipeline; and the guide roller and the adjusting roller are directly contacted with the wall surface of the pipeline. The invention can precisely position and finely adjust the length, width and height directions of each pipeline, so that the interface of each pipeline in the adjacent pipeline corridor modules is straight and has no misalignment, and the modular installation of the pipeline corridors can be completed after the adjacent pipeline corridors are fixedly spliced into a whole; the high-altitude operation amount can be greatly reduced, the flow is simple, and the construction efficiency is high.

Description

Auxiliary device for modular installation of pipeline in pipeline gallery and installation method

Technical Field

The invention belongs to the technical field of metallurgical engineering construction, and particularly relates to an auxiliary device and an installation method for modular installation of a pipeline gallery.

Background

At present, for the convenience of construction and maintenance, reduction engineering cost, guarantee the pleasing to the eye degree of construction in metallurgy, chemical industry and relevant class mill, often concentrate a lot of pipelines and arrange the condition of laying together at same piping lane, the piping lane generally comprises the steel construction truss that has been propped up in the air with the support, forms the appearance similar with the corridor, moves towards along device or factory building and arranges.

During traditional construction, the support is installed firstly, then the corridor is installed, and finally the pipelines are installed one by one according to the sequence.

Disclosure of Invention

The invention provides an auxiliary device and an installation method for modular installation of pipelines in a pipe gallery, which are mainly used for assisting the installation of the pipelines and solve the technical problems of complex structure, high construction risk and low efficiency of the existing installation device.

In order to solve at least one technical problem, the technical scheme adopted by the invention is as follows:

an auxiliary device for use in modular installation of a pipeline in a duct corridor, comprising:

the pipe supporting unit is provided with a base plate, a jacking rib arranged on the base plate and a pipe supporting plate arranged on the upper end surface of the jacking rib;

the first guide unit is arranged along the length direction of the pipeline and is provided with guide rollers which are symmetrically arranged, and the guide rollers are positioned on two sides of the pipeline;

the guide unit II comprises a plurality of adjusting rollers which are arranged side by side at intervals, and the adjusting rollers are positioned right below the lowest point of the outer wall surface of the pipeline;

the first guide unit and the second guide unit are detachably connected with the base plate through clamping grooves;

the guide roller is arranged along the length direction of the pipeline, and the jacking rib and the adjusting roller are both arranged along the width direction of the pipeline; and the guide roller and the adjusting roller are directly contacted with the wall surface of the pipeline.

Furthermore, the upper end surface of the jacking rib is a groove with an arc-shaped structure; the distance between two ends of the cambered surface of the groove is smaller than the distance between the guide rollers at the outer side of the groove;

the pipe supporting plate is also of an arc-shaped structure and is arranged in the groove to support the lower wall surface of the pipeline.

Furthermore, the first guide unit further comprises a stand frame arranged at the end part of each guide roller and used for fixing the end part of each guide roller and a first base used for fixing the stand frame, and the first base is clamped and fixed on the base plate through the clamping grooves.

Further, the vertical frame is constructed as a right-angle steel frame, and the flat surfaces of the vertical frame are arranged towards one side of the guide roller; and thread sections are formed at two ends of a roll shaft of the guide roll, and limit nuts used for limiting the guide roll to move along the axial direction of the guide roll are arranged on the thread sections.

Furthermore, the second guide unit further comprises a bracket for fixing the adjusting roller and a second base for fixing the bracket;

the adjusting roller penetrates through the wall thickness of the bracket and is arranged on the outer wall surface of the bracket in a protruding mode;

and the second base is fixedly clamped on the base plate through the clamping groove.

Furthermore, a positioning shaft arranged in parallel with the adjusting roller is arranged below the adjusting roller;

the positioning shaft penetrates through the wall thickness of the brackets on two sides and is arranged on the outer wall surface of the bracket in a protruding mode;

and the adjusting roller which is convexly arranged on the outer wall surface of the bracket is connected with the end surface of the positioning shaft through a connecting rope.

Furthermore, the support is provided with a long round hole, the long round hole is arranged along the height direction of the support in a penetrating mode through the adjusting roller, the length of the connecting rope is adjusted, the height between the adjusting roller and the positioning shaft is adjusted, and the position height of a contact point between the adjusting roller and a pipeline is adjusted.

Furthermore, the number of the jacking ribs is at least one, and the jacking ribs are vertically arranged in the middle of the second guide unit; and auxiliary ribs which are vertically crossed with the middle shaft line of the jacking rib are arranged on the middle shaft line of the jacking rib.

Furthermore, the adjusting rollers are respectively arranged on two sides of the length of the pipe supporting plate, and the length of the pipe supporting plate is smaller than the distance between the adjusting rollers on the two sides of the pipe supporting plate.

A method for modularizing and installing a pipe gallery adopts the auxiliary device, and comprises the following steps:

s1, after the truss is manufactured, assembling a corridor on the ground; calculating a maximum bending moment point in the width direction of the corridor, measuring and calculating the maximum deformation amount, and taking reinforcement measures for the pre-deformation position;

s2, welding the pipe supporting units into a whole, fixing the pipe supporting units on an underframe which is arranged in the corridor and used for placing the pipeline in advance, and placing one pipe supporting unit at the end part and the middle position of each pipeline;

s3, hoisting a plurality of pipelines into the corridor one by adopting a ground installation mode, placing the pipelines on the pipe supporting plate on the pipe supporting units in the corridor, configuring a set of first guide unit and a set of second guide unit on each pipe supporting unit, and enabling the guide rollers and the adjusting rollers to be arranged against the outer wall surface of the pipeline;

s4, fixing the outer wall surface of the end part of each pipeline and the pipe supporting plate matched with the outer wall surface by spot welding to prevent the pipelines from sliding or falling; the fixed combination of all the pipes, auxiliary devices and vestibules is called a pipe gallery, which waits as one integral module to be installed;

s5, integrally suspending the pipe gallery to a working area for integral installation; firstly, mounting a vestibule in the pipe gallery on a vestibule bracket, fixing the vestibule after measurement and alignment, and unhooking by using a crane;

s6, observe the pipeline of waiting to install in the piping lane and the position condition of the pipeline that has installed, the position of pipeline is waited to install in the adjustment, include:

when the radial surface of the pipeline to be installed is staggered with the radial surface of the installed pipeline, the guide rollers on two sides in the first guide unit in each pipeline end part are controlled to roll so as to push the pipeline to rotate in the radial direction, and the radial surface of the pipeline is in interface butt joint with the radial surface of the installed pipeline;

when the axial line of the pipeline to be installed has a position height difference with the axial line of the installed pipeline, controlling the position height of the adjusting roller in the second guiding unit to lift or lower the position height of the supporting point of the adjusting roller and the pipeline, so that the height of the pipeline to be installed is consistent with the interface height of the installed pipeline;

when a horizontal gap exists between the end face of the pipeline to be installed and the end face of the installed pipeline, the adjusting roller in the second guiding unit is controlled to rotate to drive the end face of the pipeline to be installed to move towards one side close to the installed pipeline or move towards one side far away from the installed pipeline along the length direction of the end face of the pipeline to be installed, so that the end face of the pipeline to be installed and the end face of the installed pipeline are in seamless contact and are in butt joint without staggered edges.

The auxiliary device and the installation method for the modularized installation of the pipelines of the pipe gallery are mainly used for assisting the installation of the pipelines, can accurately position and finely adjust the length, width and height directions of the pipelines, enable the interface of each pipeline in the adjacent pipe gallery modules to be straight and have no misalignment, and can finish the modularized installation of the pipe gallery after the pipes are fixedly spliced into a whole; overall structure is simple, low in manufacturing cost, and safe and easy dismounting can reduce the high altitude construction volume by a wide margin, and the flow is simple and controllable, and the efficiency of construction is high, and the reduction of erection time can a plurality of projects have enough to meet the need the use, convenient and fast.

Drawings

FIG. 1 is a perspective view of an auxiliary device according to an embodiment of the present invention;

FIG. 2 is a side view of an auxiliary device according to an embodiment of the invention;

FIG. 3 is a structural view of a guide roller according to an embodiment of the present invention;

FIG. 4 is a block diagram of a dancer roll in accordance with one embodiment of the present invention;

FIG. 5 is a perspective view of a modular integral installation of a pipe gallery in accordance with an embodiment of the present invention;

fig. 6 is an enlarged view of a portion a in fig. 5.

In the figure:

1. auxiliary device 10, escrow unit 11, and base plate

12. Top supporting rib 13, auxiliary supporting rib 14 and pipe supporting plate

15. Clamping groove 20, first guide unit 21 and guide roller

22. Vertical frame 23, limit nut 24 and base I

30. Second guide unit 31, adjusting roller 32 and bracket

33. Positioning shaft 34, long round hole 35 and connecting rope

36. Second base 40, pipeline 50 and vestibule

51. Support leg 52, truss 53, and underframe

100. Pipe gallery

Detailed Description

The invention is described in detail below with reference to the figures and the specific embodiments.

The present embodiment provides an auxiliary device 1 for use in modular installation of a duct in a duct gallery, as shown in fig. 1-2, which is mainly used for assisting in installing a duct 40, and includes:

the pipe supporting unit 10 comprises a base plate 11, a top supporting rib 12 vertically fixed on the base plate 11, and a pipe supporting plate 13 arranged at the top of the top supporting rib 12, wherein the base plate 11 is a horizontally placed flat plate structure and provides a basic base support for installing the pipeline 40; preferably, the base plate 11 is of a rectangular configuration. The upper end face of the jacking rib 12 is a groove with an arc-shaped structure and used for indirectly jacking the lower wall face of the pipeline 40, and the upper end face of the jacking rib is vertically arranged right below the lower end face of the pipeline 40. The pipe supporting plate 14, which is an arc concave structure, is configured in the groove of the jacking rib 12 and is used for directly jacking the lower wall surface of the pipeline 40 and directly contacting with the lower wall surface of the pipeline 40.

The first guide unit 20 is fixedly arranged on the base plate 11 along the length direction of the pipeline 40, is mainly used for symmetrically supporting the outer wall surface of the pipeline 40 in the length direction, and is directly contacted with the outer wall surface of the pipeline 40. It disposes the guide roll 21 of symmetry setting, all is equipped with the grudging post 22 that is used for fixed guide roll 21 at the both ends of every guide roll 21, still includes base 24 that is used for fixed grudging post 22, and base 24 passes through draw-in groove 15 and is connected with base plate 11 can dismantle.

The second guide unit 30 comprises two adjusting rollers 31 arranged side by side at intervals, a bracket 32 used for fixing the adjusting rollers 31 and a second base 36 used for fixing the bracket 32, wherein the adjusting rollers 31 are arranged on the lower bottom surface of the pipeline 40, and the adjusting rollers 31 are positioned right below the lowest point of the outer wall surface of the pipeline 40; the second base 36 is detachably connected with the base plate 11 through a clamping groove 15. That is, the adjustment rollers 31 are disposed on both sides of the length of the tube pallet 14 and are symmetrically disposed with respect to the center line of the length of the tube pallet 14.

The top support rib 12 is welded and fixed on the upper end face of the base plate 11, and the pipe support plate 13 is fixedly welded in the groove of the top support rib 12. Since the position of the pipe pallet 13 is fixed, the positions of the first guide unit 20 and the second guide unit 30 must be adjustable for jacking different pipes 40, that is, the first guide unit 20 and the second guide unit 30 are required to be adjusted based on different outer diameter sizes of the pipes 40. The first base 24 and the second base 36 are flat plate structures and are directly clamped on the base plate 11 through the clamping grooves 15, and the fixing positions of the first guide unit 20 and the second guide unit 30 can be adjusted based on different requirements while the guide rollers 21 and the adjusting rollers 31 are ensured to be directly contacted with the wall surface of the pipeline 40.

The top-holding rib 12 and the adjusting roller 31 are both arranged along the width direction of the pipe 40, i.e. perpendicular to the length direction of the pipe 40. The rotation of the guide roller 21 further drives the radial surface of the pipeline 40 to rotate, so that the radial surface position of the pipeline 40 can be adjusted; the rotation of the adjusting roller 31 can drive the pipe 40 to move along the length direction of the pipe 40, so as to adjust the length of the pipe 40; meanwhile, the matching position of the adjusting roller 31 and the bracket 32 is controlled, so that the position of the contact point of the adjusting roller 31 and the pipeline 40 can be adjusted, namely the height position of the pipeline 40 can be adjusted.

Specifically, the baseplate 11 is fixedly welded directly to the undercarriage inside the vestibule 50 for locating the pipe locations. The outer surface of the clamping groove 15 is of a rectangular structure, slotted holes in the clamping groove 15, which are used for clamping and fixing the base plate 11 and the edges of the first base 24 and the second base 36, are of a trapezoidal structure, the large end face of the slotted hole is arranged close to one side of the outer wall face of the clamping groove 15, and the small end face of the slotted hole is recessed in the body of the clamping groove 15. The slots 15 are located along the edge of the base plate 11 based on the location of the pedestals one 24 and two 36.

As shown in fig. 3, in the first guide unit 20, two stands 22 and a first bed 24 are provided for each guide roller 21. Threaded sections are formed at both ends of the roller shaft of the guide roller 21, and a limit nut 23 for limiting the axial movement of the guide roller 21 is provided in the threaded sections. The guide roller 21 and a roller shaft matched with the guide roller are of an assembled structure, in actual work, the guide rollers 21 with different diameters can be arranged, and the guide rollers 21 with different diameters can be replaced to adapt to the matching of different sizes of pipelines 40; and can also be used to adjust the height of the guide roller 21 at the point where the pipe 40 contacts the support.

The ends of the guide rollers 21 are directly fixed to the upper ends of the vertical frames 22, respectively, and the vertical frames 22 are vertically disposed at four corners of the base plate 11 through the first bases 24, that is, the guide rollers 21 are disposed on both sides of the tube pallet 13. Preferably, grudging post 22 is constructed as the right angle steel frame, and this is the material commonly used on the building site, and convenient for material selection and intensity are big, and the flush surface of grudging post 11 all sets up towards one side of guide roll 21, and the opening that is the right angle steel frame also all sets up outwards, is convenient for install and debug. Of course, the right-angle stand 22 shown in fig. 1 may be made of angle steel, channel steel or steel plate, or may be made into a flat vertical steel frame structure, as long as the direction roller 21 can be horizontally fixed, which is within the protection scope of the present application.

Each adjusting roller 31 in the second guide unit 30 is provided with two brackets 32 and a second base 36 for fixing the diameter 32, the adjusting rollers 31 are arranged on the other two sides of the pipe support plate 13, and the adjusting rollers 31 penetrate through the wall thickness of the brackets 32 and are arranged on the outer wall surfaces of the brackets 32 in a protruding mode. A positioning shaft 33 is arranged below the adjusting roller 31 in parallel, and the positioning shaft 33 passes through the wall thickness of the bracket 32 and is arranged to be protruded on the outer wall surface of the bracket 32. The end faces of the regulating roller 31 and the positioning shaft 33 provided to protrude on the outer wall surface of the bracket 32 are integrally connected by a connecting string 35. In order to ensure that the pipe 40 directly contacts the adjusting roller 31, the lowest point of the jacking rib 12 is required to be lower than the position height of the contact point of the adjusting roller 31 and the pipe 40.

As shown in fig. 4, the bracket 32 is provided with an elongated hole 34, the elongated hole 34 is arranged along the height direction of the bracket 32 and penetrated by the roller shaft of the adjusting roller 31, the end part of the adjusting roller 31 is embedded in the elongated hole 34 through an adjustable fixing block and has a certain fine adjustment space, and when the length of the connecting rope 35 is not adjusted, the connecting rope can be fixed in the elongated hole 34 and can be stably and horizontally placed. As for the fixing mode of the adjusting roller 31 placed in the oblong hole 34, it is sufficient if the length of the connecting rope 35 can be adjusted to drive the adjusting roller 31 to perform fine adjustment along the vertical height, which is common knowledge in the art and will not be described in detail herein.

By adjusting the length of the connecting rope 35, the height between the adjusting roller 31 and the positioning shaft 33 can be adjusted, so as to adjust the height of the position of the contact point of the adjusting roller 31 and the pipeline 40, and thus the height dimension of the pipeline 40 can be adjusted. Since the adjustment roller 31 can rotate along its roller axis and can also move along the axial direction of its roller axis, when the adjustment roller 31 rotates, it can push the pipe 40 to make a slight adjustment along the length direction of the pipe 40, so as to adjust the length dimension of the pipe 40 to make it contact with the end face of the other installed pipe 40.

The rotation of the registration roller 31 and the guide roller 21 may be driven by a motor to rotate, but is not limited thereto. When adjusting the position of the pipeline 40 in the length direction, the guide rollers 21 on both sides of the pipe pallet 14 should be driven to rotate synchronously; when the position of the duct 40 in the height direction is readjusted, it is within the protection scope of the present disclosure that only the height of the outermost guide roller 21 may be adjusted, or the heights of the innermost and outermost guide rollers 21 may be adjusted in synchronization based on actual conditions.

In this embodiment, the number of the top supporting ribs 12 is at least one, the top supporting ribs are vertically arranged between the two adjusting rollers 31 in the guide unit two 30, an auxiliary rib 13 which is vertically intersected with the top supporting rib is further arranged on the middle axis of the top supporting rib 12, and the top supporting rib 12 and the auxiliary rib 13 which are arranged in a staggered mode are jointly used for placing the pipe supporting plate 14. The groove structure of the upper end surface of the top supporting rib 12 is matched with the arc structure of the outer wall surface of the pipe supporting plate 14, and the upper end surface of the auxiliary rib 13 is also provided with a groove matched with the outer wall surface of the pipe supporting plate 14. The top supporting rib 12 and the auxiliary rib 13 are both wide at the top and narrow at the bottom, so that the matching area of the top supporting rib and the pipe supporting plate 14 can be increased, the fixing stability of the pipe supporting plate 14 can be improved, and the occupied fixing area can be reduced. Meanwhile, the distance between both ends of the arc surface of the groove is smaller than the distance between the guide rollers 21 outside thereof, in order to prevent the pipe pallet 14 from interfering with the cooperation of the contact points of the guide rollers 21 with the pipe 40. The top supporting ribs 12 and the auxiliary ribs 13 are symmetrically arranged relative to the center line of the pipe pallet 14, so that a symmetric supporting force can be provided for the pipe pallet 14, and the pipe pallet 14 can stably support the pipeline 40.

Further, the pipe supporting plate 14 is of an arc-shaped structure, the lower end face of the pipe supporting plate is directly contacted with the grooves in the jacking rib 12 and the auxiliary rib 13, and the length of the pipe supporting plate 14 is smaller than the distance between the adjusting rollers 31 on the two sides, so that the contact between the adjusting rollers 31 and the outer wall face of the pipeline 40 is prevented from being interfered, and the height and the length of the pipeline 40 are guaranteed to be adjusted slightly.

A method for modular installation of a duct corridor, which uses the auxiliary device 1 as described above, as shown in fig. 5, includes the steps of:

s1, assembling and welding a frame of the corridor 50.

In the assembling process of the gallery 50, the supporting legs 51 at the two ends are firstly arranged on the ground, then the supporting legs 51 at the two ends are connected through the truss 52, and then a layer of bottom frame 53 is welded at the lower part inside, so that the frame of the gallery 50 is assembled. And then, calculating the maximum bending moment point of the corridor 50 in the length direction, measuring and calculating the maximum deformation, and taking reinforcement measures for the pre-deformation part to improve the overall strength of the corridor 50.

S2, welding the base plate 11, the top supporting rib 12, the auxiliary rib 13 and the pipe supporting plate 14 into a whole, and assembling a plurality of pipe supporting units 10.

As shown in fig. 6, the escrow units 10 are previously fixed on the chassis 53 in the interior of the vestibule 50 based on the placement positions of the ducts 40 in the vestibule 50, and one escrow unit 10 is placed at each end and middle position of the ducts 40.

And S3, hoisting the plurality of pipelines into the corridor 50 one by one in a ground installation mode, and placing the pipelines on the pipe supporting plates 14 on the pipe supporting units 10 in the corridor 50 one by one.

Meanwhile, a set of first guide unit 20 and a set of second guide unit 30 are arranged on each trusteeship unit 10; during installation, the first guide unit 20 and the second guide unit 30 are assembled in advance, then the first base 24 and the second base 36 are fixed on each base plate 11 through the clamping grooves 15 respectively, and the guide rollers 21 and the adjusting rollers 31 are arranged against the outer wall surface of the pipeline 40.

And S4, fixing the outer wall surface of the end part of each pipeline 40 and the matched pipe supporting plate 14 in a spot welding manner to prevent the pipelines 40 from sliding or falling off in the moving process, and removing electric welding points when the position of the pipelines is adjusted subsequently. In the electric welding connection, only the position of the outer wall surface of the end of each pipe 40 is welded to the mating surface of its corresponding pipe pallet 14.

On the corridor 50, each duct 40 and the corresponding auxiliary device 1 cooperating with this duct 40 are assembled with the corridor 50, the resulting fixed combination being called a pipe corridor 100, the pipe corridor 100 being hoisted as one integral module, modularizing it in its entirety, awaiting installation.

S5, integrally suspending the pipe gallery 100 to a working area for integral installation; install vestibule 50 in piping lane 10 on the vestibule support earlier, measure fixed vestibule 50 after the alignment, the crane can be plucked the hook.

S6, observing the position conditions of the pipeline 40 to be installed and the installed pipeline 40 in the pipe gallery 100, and adjusting the position of the pipeline 40 to be installed, wherein the method comprises the following steps:

when the diametral plane of the pipeline 40 to be installed is misaligned with the diametral plane of the installed pipeline 40, the guide rollers 21 on both sides in the guide unit one 20 in the end part of each pipeline 40 are controlled to roll to push the radial rotation of the pipeline 40 to be installed, so that the diametral plane of the pipeline 40 is in dislocation-free interface abutment with the diametral plane of the installed pipeline 40.

When the axis of the pipeline 40 to be installed has a position height difference with the axis of the installed pipeline 40, the position height of the adjusting roller 31 in the second guiding unit 30 is controlled to raise or lower the position height of the supporting point of the adjusting roller 31 and the pipeline 40 to be installed, so that the interface height of the pipeline 40 to be installed and the interface height of the installed pipeline 40 are consistent.

When the end face of the pipeline 40 to be installed has a horizontal gap with the end face of the installed pipeline 40, the adjusting roller 31 in the second guide unit 30 is controlled to rotate, so that the end face of the pipeline 40 to be installed is driven to move towards the side close to the installed pipeline 40 or move towards the side far from the installed pipeline 40 along the length direction of the end face, and the end face of the pipeline 40 to be installed is in seamless contact with the end face of the installed pipeline 40 and is in butt joint without a wrong edge.

The embodiments of the present invention have been described in detail, and the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.

Claims

1. An use auxiliary device when taking shelter modularization installation pipeline, its characterized in that includes:

the tube supporting unit is provided with a base plate, a jacking rib arranged on the base plate and a tube supporting plate arranged on the upper end surface of the jacking rib;

the second guide unit comprises a plurality of adjusting rollers which are arranged side by side at intervals, and the adjusting rollers are positioned right below the lowest point of the outer wall surface of the pipeline;

the first guide unit and the second guide unit are detachably connected with the base plate through clamping grooves; the guide roller is arranged along the length direction of the pipeline, and the jacking rib and the adjusting roller are both arranged along the width direction of the pipeline; and the guide roller and the adjusting roller are directly contacted with the wall surface of the pipeline.

2. The auxiliary device for the modular installation of the pipe gallery according to claim 1, wherein the upper end surface of the jacking rib is a groove with an arc structure; the distance between two ends of the cambered surface of the groove is smaller than the distance between the guide rollers at the outer side of the groove;

3. The auxiliary device for the modular installation of the pipe gallery according to claim 1 or 2, wherein the first guiding unit further comprises an upright frame arranged at each end of the guiding roller and used for fixing the end of the guiding roller and a first base used for fixing the upright frame, and the first base is clamped on the base plate through the clamping groove.

4. The auxiliary device for the modular installation of the pipeline in the pipe gallery of claim 3, wherein the vertical frame is constructed as a right-angle steel frame, and the flat surfaces of the vertical frame are arranged towards one side of the guide roller; and threaded sections are formed at two ends of a roller shaft of the guide roller, and limit nuts used for limiting the guide roller to move along the axial direction of the guide roller are arranged on the threaded sections.

5. The auxiliary device for the modularized installation of the pipe gallery is characterized in that the second guiding unit further comprises a bracket for fixing the adjusting roller and a second base for fixing the bracket;

6. The auxiliary device for the modularized installation of the pipe gallery according to claim 5, wherein a positioning shaft is arranged below the adjusting roller in parallel;

the positioning shaft penetrates through the wall thickness of the supports on the two sides and is arranged on the outer wall surface of the support in a protruding mode; and the adjusting roller which is convexly arranged on the outer wall surface of the bracket is connected with the end surface of the positioning shaft through a connecting rope.

7. The auxiliary device for the modularized installation of the pipe gallery according to claim 6, wherein an elongated hole is formed in the support, the elongated hole is arranged along the height direction of the support and penetrated by the adjusting roller, and the length of the connecting rope is adjusted to adjust the height between the adjusting roller and the positioning shaft, so as to adjust the position height of the contact point between the adjusting roller and the pipe.

8. The auxiliary device for the modularized installation of the pipe gallery according to claim 6 or 7, wherein the number of the jacking ribs is at least one, and the jacking ribs are vertically arranged in the middle of the second guide unit;

and auxiliary ribs which are vertically crossed with the middle shaft line of the jacking rib are arranged on the middle shaft line of the jacking rib.

9. The auxiliary device for the modular installation of a pipe gallery according to claim 8, wherein the adjustment rollers are disposed on both sides of the length of the pipe pallet, and the length of the pipe pallet is smaller than the distance between the adjustment rollers on both sides of the pipe pallet.

10. A modular installation method of a duct corridor, characterized in that, using the aid of any one of claims 1-9, the steps include:

s1, assembling a corridor on the ground after the truss is manufactured; calculating a maximum bending moment point in the width direction of the corridor, measuring and calculating the maximum deformation amount, and taking reinforcement measures for the pre-deformation position;

s4, spot welding and fixing the outer wall surface of the end part of each pipeline and the pipe supporting plate matched with the outer wall surface of the end part of each pipeline to prevent the outer wall surface of each pipeline from sliding or falling; the fixed combination of all the pipes, auxiliary devices and vestibules is called a pipe gallery, which waits as one integral module to be installed;

s5, integrally suspending the pipe gallery to a working area for integral installation; firstly, installing a vestibule in the pipe gallery on a vestibule bracket, fixing the vestibule after measuring and aligning, and hooking by a crane;

s6, observe the position condition of the pipeline of waiting to install and the pipeline that has installed in the piping lane, the position of pipeline of waiting to install is adjusted, include:

when a horizontal gap exists between the end face of the pipeline to be installed and the end face of the installed pipeline, the adjusting roller in the second guide unit is controlled to rotate to drive the end face of the pipeline to be installed to move towards one side close to the installed pipeline or move towards one side far away from the installed pipeline along the length direction of the end face of the pipeline to be installed, so that the end face of the pipeline to be installed and the end face of the installed pipeline are in seamless contact and are in butt joint without wrong edges.