CN117601983A

CN117601983A - Auxiliary moving device for limited space of large coking equipment

Info

Publication number: CN117601983A
Application number: CN202311727124.5A
Authority: CN
Inventors: 赵旭; 李志强
Original assignee: China Third Metallurgical Group Co Ltd
Current assignee: China Third Metallurgical Group Co Ltd
Priority date: 2023-12-15
Filing date: 2023-12-15
Publication date: 2024-02-27

Abstract

The invention provides a limited space auxiliary moving device of large-scale coking equipment, which relates to the technical field of movement of large-scale equipment. Through design positioning subassembly, drive assembly, at the in-process of transportation coking pipeline, can use positioning subassembly as the center and rotate the coking pipeline, make it can be smooth pass through restricted space to reduce the time of auxiliary assembly adjustment, thereby can accelerate the removal efficiency of large-scale coking equipment in restricted space.

Description

Auxiliary moving device for limited space of large coking equipment

Technical Field

The invention relates to the technical field of large equipment movement, in particular to a limited space auxiliary moving device of large coking equipment.

Background

With the continuous increase of the volume of the coke oven carbonization chamber and the continuous progress of the coking technology, the coke oven carbonization chamber in China is developed from a 4.3m top-loading coke oven to a top-loading coke oven with the height of more than 6m and a tamping coke oven with the height of more than 5.5m, and an oversized coke oven with the height of 8m, the oxygen-deficient low-temperature uniform heat supply along the height direction of the combustion chamber can be realized, and the coking technology of the oversized coke oven in China is gradually matured.

However, with the application of large coking equipment, the transportation and installation of large coking pipelines become barriers for limiting the large coking equipment to be used, especially the installation is carried out in the original factory, and the body position of the coking pipelines needs to be adjusted for many times due to the limitation of space, so that the invention provides the limited space auxiliary moving device of the large coking equipment.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the auxiliary moving device for the limited space of the large coking equipment, and solves the problem that the prior auxiliary moving device is very difficult to adjust because the body position of the coking pipeline is required to be adjusted for many times due to the limitation of the space when some large coking pipelines are installed in the original factory.

Technical proposal

In order to achieve the above purpose, the invention is realized by the following technical scheme:

a large coker confined space auxiliary moving device for transporting coker piping comprising:

the position adjusting assembly is provided with a rotary table which rotates relative to the rear bottom beam, a sliding supporting plate which is driven to slide is arranged on the rotary table, the top of the sliding supporting plate is used for fixedly bearing the end part or the middle part of the coking pipeline, a follower wheel is arranged at the bottom of the rear bottom beam, and the follower wheel adjusts the direction along with the rotation of the rotary table;

the coking pipeline connecting device comprises a connector, wherein one end of the connector is provided with a cylindrical connecting part corresponding to a port of the coking pipeline, and one end of the connector is provided with a square connecting part;

the driving assembly is provided with a plurality of power wheels capable of independently adjusting directions, and the driving assembly is provided with a bracket assembly for fixedly mounting the square connecting part.

Preferably, the driving assembly includes:

the front bottom beam is provided with four independently controlled power wheels at the bottom, and a first mounting hole is formed in the top of the front bottom beam;

the bottom of the bracket assembly is fixedly provided with a first connecting piece, and a first transverse hole is formed in the side face of the first connecting piece;

and the first transverse piece is inserted into the first mounting hole, the first transverse hole is positioned below the front bottom beam, and the first transverse piece penetrates through the first transverse hole.

Preferably, the bracket assembly includes: the bracket, the bracket is U type structure, the interior bottom fixed mounting of bracket has the backing plate, run through sliding connection on the curb plate of bracket has the long screw that the level set up, the equal threaded connection in both sides of the side plate of long screw and being located the bracket has the bolt group, the long screw is located the inboard one end fixedly connected with splint of bracket.

Preferably, the positioning assembly comprises:

the top of the rear bottom beam is fixedly provided with a supporting table, the rotary table is rotationally connected with the supporting table, the bottom of the sliding supporting plate is in sliding connection with the rotary table, the side surface of the rotary table is fixedly provided with a hydraulic driving piece, and the telescopic end of the hydraulic driving piece is fixedly connected with the bottom of the sliding supporting plate;

the top of the follow-up wheel is provided with a rotating shaft which is rotationally connected with the rear bottom beam, a bogie is fixedly arranged on the rotating shaft of the follow-up wheel, and a long slot hole is formed in the top of a bogie body of the bogie;

the rack bar is in sliding connection with the top of the rear bottom beam, the end part of the rack bar is fixedly provided with a swing claw, the swing claw is movably connected with the bogie through a pin, and the pin is positioned at the inner side of the long slot hole;

the rotary table is characterized in that a fixed shaft is fixedly connected to the center of the bottom of the rotary table, a driving gear is fixedly arranged on the side face of the fixed shaft, a first gear ring is rotatably connected to the top of the rear bottom beam, the first gear ring is an inner gear ring, a second gear ring is fixedly connected to the bottom end of the first gear ring, the second gear ring is an outer gear ring and is meshed with a rack rod, the first gear ring is coaxial with the driving gear, a planetary gear meshed with the first gear ring and the driving gear is arranged between the first gear ring and the driving gear, and a rotating shaft of the planetary gear is fixedly connected with the rear bottom beam.

Preferably, the side surface of the rear bottom beam is fixedly connected with a short frame, one end of the short frame, which is far away from the rear bottom beam, is fixedly connected with an arc-shaped frame, the outer side surface of the arc-shaped frame is connected with a sliding piece in a sliding manner, and the side surface of the sliding piece is fixedly provided with a rotating plate frame;

the bottom fixedly connected with mounting bracket of preceding floorbar, the bottom sliding connection of mounting bracket has the auxiliary frame, the one end and the revolving plate frame fixed mounting of auxiliary frame.

Preferably, the bottom fixed mounting of saddle has the second connecting piece, the second cross hole has been seted up to the side of second connecting piece, the second mounting hole has been seted up at the top of back floorbar, and the bottom of second connecting piece inserts the second mounting hole, and makes the second cross hole be located the below of back floorbar, and transversely inserts the second cross piece in the second cross hole.

Preferably, the top of the rear bottom beam is provided with a long mounting groove for accommodating the rack bar and an annular mounting groove for accommodating the first gear ring and the second gear ring, and the side surface of the annular mounting groove is communicated with the middle section of the long mounting groove.

Preferably, the top of slip layer board fixed mounting has the arc platform, the one end of arc platform is provided with the limiting plate.

Preferably, the first gear ring and the second gear ring are of an integral structure.

Preferably, the side of the cylindrical connecting part is provided with a plurality of telescopic fixing pieces along the radial direction of the cylindrical connecting part.

Advantageous effects

The invention provides a limited space auxiliary moving device of large coking equipment. The beneficial effects are as follows:

1. according to the invention, the positioning assembly is designed for supporting the end part or the middle part of the coking pipeline, the driving assembly is used for supporting the front end of the coking pipeline and providing traction movement power, the coking pipeline can be rotated by taking the positioning assembly as the center in the process of transporting the coking pipeline, so that the coking pipeline can smoothly pass through a limited space, the sliding supporting plate can slide relative to the turntable by driving, the central position of the coking pipeline in rotation is conveniently adjusted, the coking pipeline can be well controlled to pass through the limited space, the follower wheel is arranged at the bottom of the rear bottom beam and follows the rotation of the turntable to adjust the direction, after the coking pipeline is well adjusted to the self position, the turning is not needed, and the coking pipeline is directly driven forwards, so that the adjustment time of auxiliary equipment is reduced, and the movement efficiency of large-scale coking equipment in the limited space can be accelerated.

2. The invention specifically designs a transmission structure for adjusting the steering of a follower wheel, adopts a planet wheel structure, utilizes a fixed shaft on a turntable to drive a driving gear as a sun wheel of the planet wheel structure, then transmits the rotation to a first gear ring after the rotation is decelerated by the planet wheel, then drives a second gear ring fixed with the first gear ring to rotate, finally drives a rack rod to linearly move, and utilizes a swinging claw at the end of the rack rod to cooperate with a bogie to drive a shaft body of the follower wheel to rotate so as to realize the rotation of the follower wheel along with the turntable, so that after the position of a coking pipeline rotates, the coking pipeline can directly linearly move and more easily pass through a limited space.

Drawings

FIG. 1 is a perspective view of a use state of a limited space auxiliary moving device of a large coking device;

FIG. 2 is a front view of a large coker confined space auxiliary mobile unit in accordance with the present invention;

FIG. 3 is a top view of a large coker confined space auxiliary mobile unit in accordance with the present invention;

FIG. 4 is a schematic perspective view of a limited space auxiliary mobile device of a large-scale coking plant according to the present invention;

FIG. 5 is a schematic perspective view of a drive assembly of a limited space auxiliary moving device of a large-scale coking plant according to the present invention;

FIG. 6 is a schematic perspective view of a positioning assembly of a limited space auxiliary moving device of a large-scale coking plant;

FIG. 7 is an exploded view of a positioning assembly of a large coker confined space auxiliary mobile unit of the present invention;

FIG. 8 is a schematic perspective view of a positioning assembly of a limited space auxiliary mobile device of a large-scale coking plant;

FIG. 9 is a top view of a positioning assembly of a large coker confined space auxiliary mobile unit in accordance with the present invention;

FIG. 10 is a cross-sectional view taken along section line A-A of FIG. 9;

FIG. 11 is a schematic perspective view of a portion of a positioning assembly of a limited space auxiliary moving device of a large-scale coking plant;

fig. 12 is a partial enlarged view at B in fig. 11.

1, a driving assembly; 101. a front bottom beam; 102. a bracket; 103. a first mounting hole; 104. a first connector; 105. a first transverse hole; 106. a first cross member; 107. a clamping plate; 108. a long screw; 109. a bolt group; 1010. a backing plate; 1011. a mounting frame; 1012. a power wheel; 2. a positioning component; 201. a rear bottom beam; 202. a follower wheel; 203. a bogie; 2031. a long slot; 204. a rack bar; 2041. a swinging claw; 205. a short frame; 206. an arc-shaped frame; 207. a slider; 208. rotating plate frame; 209. a second mounting hole; 210. a support; 211. a second connector; 212. a second transverse hole; 213. a second cross member; 214. a turntable; 215. a sliding support plate; 216. a first ring gear; 217. a fixed shaft; 218. a drive gear; 219. a planet wheel; 220. a second ring gear; 221. a hydraulic drive; 3. coking pipelines; 4. a connector; 401. a cylindrical connecting portion; 402. square connecting parts; 5. an auxiliary frame.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. 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.

Embodiment one:

as shown in fig. 1-12, embodiments of the present invention provide a large coker confined space auxiliary moving device for transporting a coker piping 3, comprising: the device comprises a positioning assembly 2, a driving assembly 1 and a connector 4, wherein the positioning assembly 2 is provided with a rotary table 214 which rotates relative to a rear bottom beam 201, a sliding supporting plate 215 which is driven to slide is arranged on the rotary table 214, the top of the sliding supporting plate 215 is used for fixedly bearing the end part or the middle part of a coking pipeline 3, a follower wheel 202 is arranged at the bottom of the rear bottom beam 201, the follower wheel 202 follows the rotation of the rotary table 214 to adjust the direction, one end of the connector 4 is provided with a cylindrical connecting part 401 corresponding to the port of the coking pipeline 3, one end of the connector 4 is provided with a square connecting part 402, the driving assembly 1 is provided with a plurality of power wheels 1012 which can independently adjust the direction, and a bracket assembly used for fixedly mounting the square connecting part 402 is arranged on the driving assembly 1.

In use, the coking duct 3 is installed in the manner shown in fig. 1, and the power wheel 1012 at the bottom of the drive assembly 1 can be independently oriented and powered to move the entire apparatus.

When the coking pipeline moves linearly, the driving assembly 1 pulls the coking pipeline 3 to move forward, and then pulls the positioning assembly 2 to move forward along with the coking pipeline; during some curve spaces, the power wheel 1012 adjusts the direction to drive the driving assembly 1 to rotate around the center of the turntable 214 of the positioning assembly 2, so as to adjust the body position of the coking pipeline 3, and after the adjustment is completed, the follower wheel 202 faces the length direction of the coking pipeline 3, and then the linear movement can be continued.

If the central position of the turntable 214 is required to be adjusted to a position corresponding to the coking pipeline 3, a user can drive the sliding support plate 215 to slide, so that the turntable 214 can walk and move, and the rotation of the coking pipeline 3 can be controlled more accurately, so that the coking pipeline 3 can pass through a limited space more smoothly.

In one embodiment, the drive assembly 1 comprises: front sill 101, power wheels 1012, bracket assembly, first cross member 106.

Four independently controlled power wheels 1012 are arranged at the bottom of the front bottom beam 101, the power wheels 1012 are provided with steering and driving structures, electric universal carrying tank wheels are adopted, integrated outsourcing parts are preferably arranged in three or four ways, first mounting holes 103 are formed in the top of the front bottom beam 101, first connecting pieces 104 are fixedly arranged at the bottom of the bracket assembly, first transverse holes 105 are formed in the side faces of the first connecting pieces 104, the first connecting pieces 104 are inserted into the first mounting holes 103, the first transverse holes 105 are located below the front bottom beam 101, the first transverse pieces 106 penetrate through the first transverse holes 105, and the bracket assembly is stably mounted by the aid of the first transverse pieces 106.

This structure designs front sill 101, bracket component into two independent parts, can reduce the degree of difficulty of manufacturing to adopt the mode of pegging graft first cross member 106 to fix both, make the equipment more convenient, when the not unidimensional coking pipeline 3 of transportation, bracket component need carry out suitable collocation, make its change easier.

In one embodiment, a bracket assembly includes: the bracket 102, the bracket 102 is U type structure, and the bottom fixed mounting in bracket 102 has backing plate 1010, plays crashproof guard action, runs through sliding connection on the curb plate of bracket 102 has the long screw 108 that the level set up, and the side of long screw 108 just is located the both sides of the curb plate of bracket 102 and all threaded connection has bolt group 109, and the long screw 108 is located the inboard one end fixedly connected with splint 107 of bracket 102.

When the square connecting portion 402 is inserted into the bracket 102, the position of the long screw 108 is adjusted by the adjustment bolt group 109, so that the clamping plate 107 is clamped to the side surface of the square connecting portion 402.

In one embodiment, the positioning assembly 2 comprises: rear floor beam 201, pallet 210, turntable 214, slide pallet 215, follower wheel 202, rack bar 204, and planetary gear configuration.

The top of the rear bottom beam 201 is fixedly provided with a supporting platform 210, the turntable 214 is rotationally connected with the supporting platform 210, the bottom of the sliding supporting plate 215 is slidingly connected with the turntable 214, a hydraulic driving piece 221 is fixedly arranged on the side surface of the turntable 214, the telescopic end of the hydraulic driving piece 221 is fixedly connected with the bottom of the sliding supporting plate 215, the sliding supporting plate 215 can be pushed to slide relative to the turntable 214 by driving the hydraulic driving piece 221 to stretch or shorten, the top of the follower wheel 202 is provided with a rotating shaft, the rotating shaft is rotationally connected with the rear bottom beam 201, a bogie 203 is fixedly arranged on the rotating shaft of the follower wheel 202, the top of a frame body of the bogie 203 is provided with a long groove hole 2031, a rack rod 204 is slidingly connected with the top of the rear bottom beam 201, the end of the rack rod 204 is fixedly provided with a swinging claw 2041, the swinging claw 2041 is movably connected with the bogie 203 through a pin, the pin is positioned on the inner side of the long groove hole 2031, the bottom center of the turntable 214 is fixedly connected with a fixed shaft 217, the side surface of the fixed shaft 217 is fixedly provided with a driving gear 218, the top of the rear bottom beam 201 is rotationally connected with a first gear ring 216, the bottom of the first gear 216 is a ring gear 216, the bottom of the first gear 216 is fixedly connected with a second gear 220, the bottom of the first gear 216 is fixedly connected with the second gear ring gear 220 is coaxially meshed with the second gear 220, the second gear 220 is meshed with the second gear 220 and the second gear ring 220 is meshed with the driving gear 219, and the second gear 219 is meshed with the first gear 219, and the second gear 219 is meshed with the driving gear 219, and the second gear 219 is meshed with the second gear ring.

When the turntable 214 rotates, the fixed shaft 217 and the driving gear 218 can be directly driven to rotate, the driving gear 218 drives the planet wheel 219 meshed with the turntable to rotate, the planet wheel 219 drives the first gear ring 216 meshed with the planet wheel 219 to rotate, the first gear ring 216 drives the second gear ring 220 fixed with the first gear ring to synchronously rotate, the second gear ring 220 drives the rack bar 204 meshed with the second gear ring to linearly slide, the swinging claw 2041 at the end part of the rack bar is driven to move, and the bogie 203 is driven to rotate, so that the follower wheel 202 is directionally adjusted.

In an embodiment, a short frame 205 is fixedly connected to a side surface of the rear bottom beam 201, an arc frame 206 is fixedly connected to one end of the short frame 205 away from the rear bottom beam 201, the center of the arc frame 206 coincides with the rotation axis of the turntable 214, a sliding piece 207 is slidably connected to an outer side surface of the arc frame 206, a turntable frame 208 is fixedly mounted on a side surface of the sliding piece 207, a mounting frame 1011 is fixedly connected to the bottom of the front bottom beam 101, an auxiliary frame 5 is slidably connected to the bottom of the mounting frame 1011, and one end of the auxiliary frame 5 is fixedly mounted with the turntable frame 208.

The auxiliary frame 5 and the rotating plate frame 208 are utilized to maintain the relative positions of the driving assembly 2 and the driving assembly 1, and when the auxiliary frame 5 and the rotating plate frame 208 rotate, the auxiliary frame 5 and the rotating plate frame 208 slide around the arc-shaped frame 206 in an arc shape (rotate substantially) so as not to interfere with the rotation process of the coking pipeline 3.

In an embodiment, the bottom of the supporting stand 210 is fixedly provided with a second connecting piece 211, a second transverse hole 212 is formed in a side surface of the second connecting piece 211, a second mounting hole 209 is formed in the top of the rear bottom beam 201, the bottom end of the second connecting piece 211 is inserted into the second mounting hole 209, the second transverse hole 212 is located below the rear bottom beam 201, and a second transverse piece 213 is transversely inserted into the second transverse hole 212.

The second cross member 213 is used to fix the pallet 210 and the rear sill 201, and the mounting structure is simple and has high strength, so that the mounting structure has better usability.

In one embodiment, the top of the rear bottom beam 201 is provided with an elongated mounting groove for accommodating the rack bar 204, an annular mounting groove for accommodating the first gear ring 216 and the second gear ring 220, and the side surface of the annular mounting groove is communicated with the middle section of the elongated mounting groove.

In one embodiment, the top of the sliding support plate 215 is fixedly provided with an arc-shaped table, and one end of the arc-shaped table is provided with a limiting plate for well installing the cylindrical coking pipeline 3.

In one embodiment, the first ring gear 216 and the second ring gear 220 are integrally formed to facilitate the casting process.

In one embodiment, the side of the cylindrical connecting portion 401 is provided with a plurality of telescopic fixing members along the radial direction of the cylindrical connecting portion 401, so as to fix the cylindrical connecting portion 401 with the coking pipeline 3.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A large-scale coking plant limited space auxiliary moving device for transporting coking tubes (3), characterized in that it comprises:

the positioning assembly (2) is provided with a rotary table (214) which rotates relative to the rear bottom beam (201), a sliding supporting plate (215) which is driven to slide is arranged on the rotary table (214), the top of the sliding supporting plate (215) is used for fixedly bearing the end part or the middle part of the coking pipeline (3), a follower wheel (202) is arranged at the bottom of the rear bottom beam (201), and the follower wheel (202) adjusts the direction along with the rotation of the rotary table (214);

the coking device comprises a connector (4), wherein one end of the connector (4) is provided with a cylindrical connecting part (401) corresponding to a port of a coking pipeline (3), and one end of the connector (4) is provided with a square connecting part (402);

the driving assembly (1), the driving assembly (1) has a plurality of power wheels (1012) that can independent adjustment direction, is provided with the bracket component that is used for fixed mounting square connecting portion (402) on the driving assembly (1).

2. The large coking plant limited space auxiliary moving device according to claim 1, wherein the drive assembly (1) comprises:

the front bottom beam (101), four independently controlled power wheels (1012) are arranged at the bottom of the front bottom beam (101), and a first mounting hole (103) is formed in the top of the front bottom beam (101);

the bottom of the bracket assembly is fixedly provided with a first connecting piece (104), and a first transverse hole (105) is formed in the side surface of the first connecting piece (104);

and the first cross member (106), the first connecting piece (104) is inserted into the first mounting hole (103), the first cross hole (105) is positioned below the front bottom beam (101), and the first cross member (106) passes through the first cross hole (105).

3. The large coking plant limited space auxiliary moving device according to claim 2, wherein the carriage assembly comprises: bracket (102), bracket (102) are U type structure, the interior bottom fixed mounting of bracket (102) has backing plate (1010), run through sliding connection on the curb plate of bracket (102) and have long screw (108) that the level set up, the side of long screw (108) just is located the both sides of the curb plate of bracket (102) and all threaded connection has bolt group (109), the one end fixedly connected with splint (107) that long screw (108) are located the inboard of bracket (102).

4. The large coking plant limited space auxiliary moving device according to claim 2, wherein the positioning assembly (2) comprises:

the rear bottom beam (201), a saddle (210) is fixedly arranged at the top of the rear bottom beam (201), the turntable (214) is rotationally connected with the saddle (210), the bottom of the sliding supporting plate (215) is in sliding connection with the turntable (214), a hydraulic driving piece (221) is fixedly arranged on the side surface of the turntable (214), and the telescopic end of the hydraulic driving piece (221) is fixedly connected with the bottom of the sliding supporting plate (215);

the steering device comprises a follower wheel (202), wherein a rotating shaft is arranged at the top of the follower wheel (202) and is rotationally connected with a rear bottom beam (201), a bogie (203) is fixedly arranged on the rotating shaft of the follower wheel (202), and a long slot hole (2031) is formed in the top of a frame body of the bogie (203);

the rack bar (204), the top of the rack bar (204) and the back bottom beam (201) are connected in a sliding way, a swinging claw (2041) is fixedly arranged at the end part of the rack bar (204), the swinging claw (2041) and the bogie (203) are connected in a movable way through a pin, and the pin is positioned at the inner side of the long slot hole (2031);

the rotary table is characterized in that a fixed shaft (217) is fixedly connected to the center of the bottom of the rotary table (214), a driving gear (218) is fixedly arranged on the side face of the fixed shaft (217), a first gear ring (216) is rotatably connected to the top of the rear bottom beam (201), the first gear ring (216) is an inner gear ring, a second gear ring (220) is fixedly connected to the bottom end of the first gear ring (216), the second gear ring (220) is an outer gear ring, the second gear ring (220) is meshed with a rack bar (204), the first gear ring (216) is coaxial with the driving gear (218), a planet wheel (219) meshed with the first gear ring (216) and the driving gear (218) is arranged between the first gear ring and the driving gear (218), and a rotating shaft of the planet wheel (219) is fixedly connected with the rear bottom beam (201).

5. The large-scale coker confined space auxiliary moving device of claim 4, wherein: the side face of the rear bottom beam (201) is fixedly connected with a short frame (205), one end, far away from the rear bottom beam (201), of the short frame (205) is fixedly connected with an arc-shaped frame (206), the outer side face of the arc-shaped frame (206) is slidably connected with a sliding piece (207), and a rotating plate frame (208) is fixedly arranged on the side face of the sliding piece (207);

the bottom of preceding floorbar (101) fixedly connected with mounting bracket (1011), the bottom sliding connection of mounting bracket (1011) has auxiliary frame (5), the one end and the revolving plate frame (208) fixed mounting of auxiliary frame (5).

6. The large-scale coker confined space auxiliary moving device of claim 4, wherein: the bottom fixed mounting of saddle (210) has second connecting piece (211), second transverse hole (212) have been seted up to the side of second connecting piece (211), second mounting hole (209) have been seted up at the top of back floorbar (201), and second mounting hole (209) are inserted to the bottom of second connecting piece (211), and make second transverse hole (212) be located the below of back floorbar (201), and transversely insert second transverse piece (213) in second transverse hole (212).

7. The large-scale coker confined space auxiliary moving device of claim 4, wherein: the top of the rear bottom beam (201) is provided with a long mounting groove for accommodating the rack bar (204) and an annular mounting groove for accommodating the first gear ring (216) and the second gear ring (220), and the side surface of the annular mounting groove is communicated with the middle section of the long mounting groove.

8. The large-scale coker confined space auxiliary moving device of claim 1, wherein: the top of the sliding supporting plate (215) is fixedly provided with an arc-shaped table, and one end of the arc-shaped table is provided with a limiting plate.

9. The large-scale coker confined space auxiliary moving device of claim 4, wherein: the first gear ring (216) and the second gear ring (220) are of an integral structure.

10. The large-scale coker confined space auxiliary moving device of claim 1, wherein: the side of the cylindrical connecting part (401) is provided with a plurality of telescopic fixing pieces along the radial direction of the cylindrical connecting part (401).