CN-118081305-B - Open caisson type shaft heading machine main bin frame and manufacturing method thereof

CN118081305BCN 118081305 BCN118081305 BCN 118081305BCN-118081305-B

Abstract

The application discloses a manufacturing method of a main bin frame of an open caisson type shaft heading machine, which comprises the following steps of adopting parallel manufacturing production procedures, rolling a blanking inner cylinder body plate to obtain an inner cylinder body, simultaneously manufacturing a leveling gear chamber assembly, a maintenance door assembly and a circle protection tool, standing the inner cylinder body on a supporting upright post, adjusting the adjustment horizontal and vertical states of the inner cylinder body, respectively assembling the gear chamber assembly and the circle protection tool into the inner side of the inner cylinder body, fixing the inner cylinder body by positioning welding, assembling a blanking flattened rear end flange to the tail end of the inner cylinder body, fixing the inner cylinder body by positioning welding, assembling an outer circular arc laminate plate and a rib plate structure to the outer circle of the inner cylinder body, fixing the outer circular arc laminate plate and the rib plate structure by positioning welding, assembling the maintenance door assembly into a connecting notch, and fixing the inner cylinder body by positioning welding. According to the technical scheme disclosed by the application, the structure of the main cabin frame of the heading machine is simplified, the production difficulty is reduced, and the manufacturing efficiency is improved. The application also provides a main bin frame of the open caisson type vertical shaft heading machine, which has the technical effects.

Inventors

LI RENFEI
ZHAO JINMING
WANG YINGHONG
Di shuang

Assignees

中铁山河工程装备股份有限公司

Dates

Publication Date: 20260505
Application Date: 20240329

Claims (10)

1. The manufacturing method of the main bin frame of the open caisson type vertical shaft heading machine is characterized by comprising the following steps: acquiring production data of all parts of a main bin frame of the open caisson type vertical shaft heading machine; according to the production data, blanking all parts of a main bin frame of the open caisson type shaft heading machine; adopting a parallel manufacturing production procedure, rolling the inner cylinder plate to obtain an inner cylinder (1), and simultaneously manufacturing a leveling gear chamber assembly (3), a maintenance door assembly (4) and a rounding tool (2); the inner cylinder body (1) is erected on the supporting upright post, the adjusting horizontal and vertical states of the inner cylinder body (1) are adjusted, the gear chamber component (3) and the circle protection tool (2) are respectively assembled into the inner side of the inner cylinder body (1), and the gear chamber component and the circle protection tool are fixedly connected by positioning welding; The rear end flange (101) after blanking is leveled is assembled to the tail end of the inner cylinder body (1) and is fixedly connected by positioning welding; The first outer circular arc layer plate (102), the second outer circular arc layer plate (103), the first rib plate structure (105) and the second rib plate structure (106) are assembled to the outer circle of the inner cylinder body (1) and are fixedly connected by positioning welding; marking an assembly gap of the maintenance door assembly (4) on the inner cylinder body (1) according to production data, cutting the connection gap according to the marking, assembling the maintenance door assembly (4) into the connection gap, and connecting and fixing the maintenance door assembly (4) with the inner cylinder body (1) and the rib plates by using positioning welding; simultaneously assembling the support leg flanges (5) in parallel while assembling the maintenance door assembly (4); the whole inner cylinder body (1) is turned over for 180 degrees, the welding line in the overhead welding state is turned over to the flat welding state, and the rest unfinished welding line is completed; The outer arc sealing plate is assembled to the outer circle of the main bin frame, and is fixed by positioning welding.
2. The method of manufacturing according to claim 1, further comprising: and adjusting groove processing data and assembly center assembly data according to deformation amounts of the gear chamber assembly (3), the maintenance door assembly (4) and the round protection tool (2) in the manufacturing process so as to ensure the precision of integral assembly connection.
3. The manufacturing method according to claim 1, wherein the method for assembling the support leg flange (5) comprises the steps of scribing and positioning before assembling, detecting according to the related requirements and the technological requirements of drawing requirements after assembling, and welding and fixing the support leg flange (5) after the detection is qualified.
4. The manufacturing method according to claim 1, wherein the welding seam in the outer circular arc plate is inspected before the outer circular arc plate is assembled to the outer circle of the main bin frame, and welding quality in the outer circular arc plate is ensured.
5. The manufacturing method of the main bin frame according to claim 1, further comprising the steps of detecting all assembled parts according to drawing requirements and process allowance, if the assembled parts are not adjusted to meet the requirements, performing integral backing welding on the assembled parts, performing symmetrical welding according to layered and split welding after the backing welding is finished, performing size detection and weld seam detection on the whole main bin frame after all welding is finished, performing annealing heat treatment on the main bin frame, eliminating welding internal stress, performing shot blasting on the surface, performing slag removal treatment, performing integral machining on the main bin frame through scribing rotary machining, and completing the manufacturing process flow of the main bin frame.
6. A main bin frame of a sunk well type shaft heading machine is characterized by being manufactured by the manufacturing method of any one of claims 1 to 5, and comprises an inner cylinder body (1), a circle protection tool (2) arranged at one end of the inner cylinder body (1), a gear chamber assembly (3) arranged at the other end of the inner cylinder body (1) and used for being installed and connected with an external gear assembly, a maintenance door assembly (4) arranged on the inner cylinder body (1), and a support leg flange (5) arranged on the outer side of the inner cylinder body (1), wherein the support leg flange (5) is arranged at one end of the gear chamber assembly (3).
7. The open caisson type shaft heading machine main bin frame according to claim 6, wherein a rear end flange (101) is arranged on the end face, close to the round protection tool (2), of the inner cylinder body (1), the rear end flange (101) is used for being connected to an external device, a first outer arc layer plate (102) and a second outer arc layer plate (103) are arranged on the outer side of the inner cylinder body (1), the second outer arc layer plate (103) is located at the end, close to the gear chamber assembly (3), of the inner cylinder body (1), the first outer arc layer plate (102) is arranged between the second outer arc layer plate (103) and the rear end flange (101), an outer arc sealing plate (104) is arranged at the outer edges of the first outer arc layer plate (102) and the second outer arc layer plate (103), and a plurality of outer arc sealing plates (104) are connected in a head-tail mode to form an outer arc cylinder body, and/or The support leg flange (5) comprises a first cover plate (501), a second cover plate (502), a support leg cover plate group (503) and a support leg cover plate group (503), wherein the first cover plate (501) and the first outer arc layer plate (102) are of an integrated structure, the second cover plate (502) and the second outer arc layer plate (103) are of an integrated structure, the support leg cover plate group (503) is covered between the first cover plate (501) and the second cover plate (502), and the first cover plate (501), the second cover plate (502) and the support leg cover plate group (503) form an appearance structure protruding out of the support leg flange (5) of the outer arc cylinder.
8. The open caisson type shaft heading machine main bin frame according to claim 7, wherein a first rib plate structure (105) is arranged on the outer side wall of the inner cylinder body (1), the first rib plate structure (105) is annularly arranged around the axis of the inner cylinder body (1), one end of the first rib plate structure (105) is connected to the rear end flange (101), the other end of the first rib plate structure (105) is connected to the second outer circular arc laminate (103), and/or The novel inner barrel comprises an inner barrel body (1), and is characterized in that a second rib plate structure (106) is arranged on the outer side wall of the inner barrel body (1), one end of the second rib plate structure (106) is connected to the rear end flange (101), and the other end of the second rib plate structure (106) is connected to the first cover plate (501).
9. The open caisson type shaft heading machine main bin frame according to claim 7, wherein the support leg flange (5) further comprises support leg rib plates (504), the support leg rib plates (504) are arranged inside the surrounding areas of the first cover plate (501), the second cover plate (502), the support leg cover plate group (503) and the inner cylinder body (1), the support leg rib plates (504) are of rectangular structures, edges of the support leg rib plates (504) are respectively connected and fixed to the first cover plate (501), the second cover plate (502), the support leg cover plate group (503) and the inner cylinder body (1), and/or the support leg rib plates (504) are provided with hole-shaped weight-reducing structures The circle protection tool (2) comprises an inner circular plate (201), an outer circular plate (202) and a supporting circular steel tube (203), wherein the inner circular plate (201) is located at the inner side of the outer circular plate (202), the supporting circular steel tube (203) is connected between the inner circular plate (201) and the outer circular plate (202), and the outer wall of the outer circular plate (202) is in abutting connection with the inner wall of the inner cylinder body (1).
10. The open caisson type shaft boring machine main silo frame according to any of claims 6 to 9, wherein the maintenance door assembly (4) is located between the round protection tooling (2) and the gear chamber assembly (3), and the maintenance door assembly (4) communicates the inside of the inner cylinder (1) with the outside.

Description

Open caisson type shaft heading machine main bin frame and manufacturing method thereof Technical Field The application relates to the technical field of shaft tunneling, in particular to a technical scheme of a method for manufacturing a main bin frame of an open caisson type shaft tunneling machine, and further relates to the technical scheme of the main bin frame of the open caisson type shaft tunneling machine. Background The manufacturing level of the shield machine at the present stage reaches the international leading level, the requirements of the transverse engineering construction of the underground space can be well met, but the underground space engineering construction is not limited to the transverse engineering construction, the vertical engineering construction is increased year by year, the construction equipment of the open caisson type vertical shaft heading machine is invented for meeting the vertical engineering construction, and the main bin frame in the open caisson type vertical shaft heading machine is used as one of the most important main structures, so that the manufacturing of the open caisson type vertical shaft heading machine plays a crucial step for ensuring the normal work of the open caisson type vertical shaft heading machine. The main bin frame is immersed in muddy water in the whole construction process, the deeper the vertical shaft is driven, the larger the muddy water pressure born by the whole frame is, the deeper the driving depth of the vertical shaft is required in the current stage, meanwhile, the main bin frame supports driving equipment, has a connection transition effect on a water pressure pipeline, a cable, a hydraulic pipeline, a grease pipeline and the like, and meanwhile, the milling and digging device is connected with the supporting leg of the inner wall of the vertical shaft to bear the weight of the whole equipment, so that the manufacturing process flow of the main bin frame is very important for the quality and stable construction of the whole equipment. In the prior art, the design and the manufacture of the open caisson type vertical shaft heading machine are in a starting stage, although the manufacture mainly adopts a welding process, the production process is not perfect, and the manufacturing flow is relatively disordered. Therefore, how to provide a main cabin frame of an open caisson type shaft heading machine, which simplifies the structure of the main cabin frame of the heading machine, reduces the production difficulty, improves the manufacturing efficiency, and has become a technical problem to be solved urgently by those skilled in the art. Disclosure of Invention In order to solve the technical problems, the application provides a manufacturing method of a main cabin frame of an open caisson type vertical shaft heading machine, which simplifies the structure of the main cabin frame of the heading machine, reduces the production difficulty and improves the manufacturing efficiency. The technical scheme provided by the application is as follows: The invention provides a manufacturing method of a main cabin frame of an open caisson type vertical shaft boring machine, which comprises the steps of obtaining production data of all parts of the main cabin frame of the open caisson type vertical shaft boring machine, blanking all the parts of the main cabin frame of the open caisson type vertical shaft boring machine according to the production data, adopting a parallel manufacturing production procedure, rounding a blanked inner cylinder body plate to obtain an inner cylinder body, simultaneously manufacturing a leveling gear chamber assembly, a maintenance door assembly and a circle protection tool, standing the inner cylinder body on a supporting column, adjusting the adjustment horizontal and vertical states of the inner cylinder body, respectively assembling the gear chamber assembly and the circle protection tool into the inner side of the inner cylinder body, fixing the gear chamber assembly and the circle protection tool by using a tack welding connection, assembling a rear end flange after flattening the blanking to the tail end of the inner cylinder body, fixing the tail end flange by using the tack welding connection, assembling a first outer circular arc laminate, a second outer circular arc laminate, a first rib plate structure and a second rib plate structure to the outer circle of the inner cylinder body, marking an assembly notch on the inner cylinder body according to the production data, assembling the mark, cutting the maintenance notch according to the mark, assembling the maintenance door assembly into the connection notch, assembling the inner cylinder body to the connection notch, fixing the inner cylinder body by using the tack welding connection, and completing the assembly and the assembly of the outer cylinder body by turning over welding, and the whole body, and completing the assembly and the assembly to the outer