Assembly method of vertical slag discharge system of shaft boring machine

Abstract

The invention discloses an assembly method of a vertical slag discharge system for shaft excavation, wherein the end surface of the bottom of the cutter disc is welded and fixed to the bottom support frame, and then the four corners of the cutter disc are arranged with jacks for support; the flange surface of the cutter disc is measured by setting a first total station, and then leveled by the jack, and then the position of the driven box is adjusted after the characteristic surface coordinates of the driven box are measured by setting a second total station, and then the position of the first intermediate box connected to the driven box is measured by the first total station and adjusted to ensure the accurate position of the first intermediate box. The key parameters are measured by the first total station and the second total station, and the positions of the components are adjusted according to the measured parameters, so as to effectively control the error of the vertical lifting slag discharge system during the installation process, so as to ensure the smooth assembly of the vertical lifting slag discharge system.

Description

Technical Field

[0001] The invention relates to the technical field of shaft construction, in particular to an assembly method of a shaft excavation vertical slag discharge system. Background Art

[0002] The shaft boring machine is safe to operate and has high excavation efficiency. It has been widely used in urban underground engineering construction, underground resource development, tunnel ventilation shaft construction and other engineering construction, and has become a weapon for mankind to continuously explore the depths of the earth. As one of the most critical systems of the shaft boring machine, the slag discharge system directly affects the progress of the construction. Due to different excavation depths, the shaft boring machine chooses different slag discharge methods, which are mainly divided into muddy water slag discharge (excavation depth ≤100m) and vertical lifting system slag discharge (excavation depth ≥100m). The vertical lifting slag discharge system consists of a vertical chain bucket machine and related accessories. The vertical chain bucket machine is attached to the cutter disc and rotates with the cutter disc. The cutter disc collects the slag into the slag bin through rotation excavation, and then transmits the slag bin slag to the slag dump bucket through the vertical chain bucket machine transmission. Finally, the gantry crane lifts the slag bucket to the ground for slag dumping.

[0003] The vertical lifting slag discharge system has a complex structure. It needs to be at a certain angle with the shaft excavation axis and rotate with the cutterhead to continuously discharge the slag. If no measures are taken to control the installation error during the assembly process, the vertical lifting slag discharge system will interfere with the inner wall of the shield, resulting in product assembly failure. How to measure and adjust the vertical slag discharge system in time during the installation process has become an urgent problem to be solved during the installation of the vertical lifting slag discharge system. Summary of the invention

[0004] The present invention provides an assembly method for a vertical slag discharge system for shaft excavation, so as to solve the technical problem of how to measure and adjust the characteristic surface in advance, effectively control the error of the vertical lifting slag discharge system during installation, and complete the assembly of the vertical lifting slag discharge system.

[0005] According to the present invention, a method for assembling a vertical slag discharge system for shaft excavation is provided, comprising the following steps:

[0006] Step S1: Weld and fix the end surface of the bottom of the cutter disc to the bottom support frame, and then install jacks at the four corners of the cutter disc;

[0007] Step S2: measuring the levelness of the cutter head flange surface, comparing the measured levelness with the theoretical levelness on the drawing to form a first deviation value, and then adjusting the levelness of the cutter head flange surface by a jack so that the first deviation value is within the error range of the theoretical levelness on the drawing;

[0008] Step S3: hoist the driven box of the vertical slag lifting system into the cutter disc, and connect the connecting surface of the driven box with the connecting surface of the cutter disc through the positioning pins inside the cutter disc; measure the angle data between the driven box and the vertical plane and compare it with the theoretical angle of the drawing to form a second deviation value, and then adjust the angle between the driven box and the vertical plane so that the second deviation value is within the error range allowed by the theoretical angle of the drawing, and then spot weld the bottom plate of the driven box to the cutter disc to complete the installation and positioning of the driven box;

[0009] Step S4: hoist the first intermediate box to be spliced ​​with the driven box, determine the angular relationship between the first intermediate box and the vertical plane by using the first total station, measure the angle data of the first intermediate box and compare it with the theoretical angle in the drawing to form a third deviation value, then adjust the angle between the first intermediate box and the vertical plane to make the third deviation value fall within the error range allowed by the theoretical angle in the drawing, then connect the transmission chain on the first intermediate box with the chain of the driven box, finally install a box support frame for supporting the first intermediate box on the flange surface of the cutter disc, and complete the installation and positioning of the first intermediate box.

[0010] Furthermore, in the step S1, a support column for supporting the jack is provided at one end of the jack facing away from the cutter disc.

[0011] Furthermore, in step S2, a first total station is set up to measure the horizontality of the flange surface of the cutter head, and the detection height of the first total station is higher than the overall height of the cutter head.

[0012] Furthermore, in step S2, a plurality of measuring points are selected on the cutter disc flange surface by the first total station, and the high and low points of the cutter disc are obtained based on the height data of the measuring points, and then the cutter disc is leveled by a jack so that the horizontality of the cutter disc flange surface is adjusted to within the standard range.

[0013] Furthermore, in step S2, after the horizontality of the cutter disc flange surface is adjusted to a standard range, edge blocks are fixedly installed on the four circumferential surfaces of the cutter disc, and edge block supporting tooling is installed to support the edge blocks.

[0014] Furthermore, in step S3, a plurality of positioning points are selected and measured on the connecting surface between the driven box and the cutter disc by a second total station, the coordinate relationship of the driven box in the entire assembly area is determined according to the measured positioning points, the angular relationship between the driven box and the vertical plane is judged according to the coordinate position of the driven box, the angle value measured by the second total station is compared with the theoretical angle value in the drawing, and the position of the driven box is adjusted by a hand winch arranged on the driven box, so that the angle between the driven box and the vertical plane is controlled within ±0.5° of the theoretical angle in the drawing.

[0015] Furthermore, in step S3, the angle between the connecting surface of the driven box and the vertical plane is remeasured by using an angle measuring instrument to verify whether the angle measured by the total station is consistent with the angle measured by the angle measuring instrument. If the angles are consistent, the position of the driven box can be adjusted by a hand winch arranged on the driven box to control the angle between the driven box and the vertical plane within ±0.5° of the theoretical angle on the drawing; if the angles are inconsistent, additional positioning points are selected and measured, and the coordinate relationship of the driven box in the entire assembly area is re-determined based on all the measured positioning points, and the angular relationship between the driven box and the vertical plane is determined based on the coordinate position of the driven box. The angle between the connecting surface of the driven box and the vertical plane is remeasured using the angle measuring instrument to verify whether the angle measured by the total station is consistent with the angle measured by the angle measuring instrument.

[0016] Furthermore, in step S4, a plurality of feature points on the side of the first intermediate box are measured by a second total station, and the coordinate relationship of the first intermediate box in the entire space is determined based on the feature points, and the angular relationship between the first intermediate box and the vertical plane is judged based on the coordinate position of the first intermediate box, and then the measured angle data is compared with the theoretical angle of the drawing, and the angle between the first intermediate box and the vertical plane is adjusted to within ±0.5° allowed by the theoretical angle of the drawing.

[0017] Furthermore, the step S4 further includes the following steps:

[0018] Step S5: fixing a main drive for driving the cutter disc to rotate to a flange surface of the cutter disc;

[0019] Step S6: prepare the shield body, and install the shield body support tooling on the side of the shield body;

[0020] Step S7: Install the support pier in the assembly area according to the designed position, install a leveling tool on the support pier, and use the leveling tool to adjust the horizontality of the support pier to within the error range of the theoretical horizontality of the drawing;

[0021] Step S8: hoist the shield body to the flange surface of the cutter head, adjust the position of the shield body so that the shield body support fixture is connected to the support pier, and then connect the shield body cylinder ear seat to the main drive cylinder piston rod to complete the installation of the shield body;

[0022] Step S9: Install the first cylinder on the shield, connect the second intermediate box to the first intermediate box, assemble the second cylinder on the first cylinder, assemble the storage bin on the second cylinder, and finally connect the active box to the second intermediate box to complete the assembly.

[0023] Furthermore, in step S7, the position of the support pier in the assembly area is measured according to the design drawing, and the positioning coordinates of the support pier on the drawing are converted into actual coordinates, and then the actual coordinates are staked out to the assembly area using the first total station. According to the result of the stakeout, the support pier is placed at the stakeout position and fixed, and at the same time, a leveling tool is installed on the support pier, and the first total station is used to measure the horizontality of the support pier, and then the leveling tool is used to adjust the measured horizontality of the support pier to within the error range of the theoretical horizontality of the drawing according to the measured horizontality of the support pier.

[0024] Furthermore, the support pier includes an upper support part and a lower support part, and the upper support part and the lower support part are connected by a leveling mechanism. The leveling mechanism includes a threaded plate, a base plate and bolts for connecting the threaded plate and the base plate. The threaded plate is welded to the upper support part, and the base plate is welded to the lower support part. The spacing distance between the upper support part and the lower support part is adjusted by turning the bolts.

[0025] Furthermore, in step S9, the pipeline of the main driving telescopic cylinder is connected in place, and the cutter disc is lifted relative to the supporting pier by the telescopic cylinder to facilitate the removal of the jack supporting the cutter disc.

[0026] The present invention has the following beneficial effects:

[0027] In an assembly method of a vertical slag discharge system for shaft excavation of the present invention, firstly, a bottom support frame is designed and placed in the central area of ​​the assembly area to provide initial support for the cutter disc, and then jacks are set at the four corners of the cutter disc to support the cutter disc. Subsequently, a first total station is set up in the assembly area, and a coordinate system is established by using the first total station with the placement state of the cutter disc at this time as a reference, and the horizontality of the flange surface of the cutter disc is measured, and the horizontality measured by the first total station is compared with the theoretical horizontality of the drawing, and then the horizontality of the flange surface of the cutter disc is adjusted to the standard range by the jack. In order to complete the installation and positioning of the cutter disc, the flange surface of the cutter disc is leveled to facilitate the subsequent installation of various components on the cutter disc without interference. Specifically, if the horizontality does not meet the above requirements, it will cause the shield body and the flange surface of the cutter disc to be non-parallel after the driven box of the vertical lifting slag discharge system is positioned, resulting in interference between the vertical lifting slag discharge system and the first central cylinder, the second central cylinder and the storage bin arranged on the shield body, thereby causing the assembly of the entire vertical shaft excavation vertical slag discharge system to fail. Then the driven box and the first intermediate box body are assembled in sequence. When assembling the driven box, the driven box is first hoisted into the cutter disc and connected to the cutter disc, and then the angle relationship between the driven box and the vertical plane is measured by the second total station, and the measured angle data is compared with the theoretical angle of the drawing, and the angle between the driven box and the vertical plane is adjusted to the error range allowed by the theoretical angle of the drawing, and then the bottom plate of the driven box is spot welded to the cutter disc to complete the installation and positioning of the driven box; when assembling the first intermediate box body, the first intermediate box body is hoisted to be spliced ​​with the driven box, and the angle relationship between the first intermediate box body and the vertical plane is determined by the second total station, and then the measured angle data is compared with the theoretical angle of the drawing, and the angle between the first intermediate box body and the vertical plane is adjusted to the error range allowed by the theoretical angle of the drawing, and then the transmission chain on the first intermediate box body is connected to the chain of the driven box, and a box support frame for supporting the first intermediate box body is installed on the flange surface of the cutter disc to complete the installation and positioning of the first intermediate box body. Since the driven box and the first intermediate box are located at the front end of the tilt angle, after determining the positions of the driven box and the first intermediate box, the assembly error of the remaining components of the vertical lifting slag discharge system is greatly reduced, so the remaining components can be directly installed on the first intermediate box. In summary, the key parameters are measured by the first total station and the second total station, and the positions of each component are adjusted according to the measured parameters, effectively controlling the error of the vertical lifting slag discharge system during installation to ensure the smooth assembly of the vertical lifting slag discharge system.

[0028] In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be further described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] The drawings constituting a part of this application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0030] Figure 1 is an installation schematic diagram of step S1 of a preferred embodiment of the present invention;

[0031] Figure 2 is a schematic diagram of the arrangement of the first total station in step S2 of a preferred embodiment of the present invention;

[0032] Figure 3 is a schematic diagram of the arrangement of the edge blocks and the edge block supporting tooling in step S2 of the preferred embodiment of the present invention;

[0033] Figure 4 is a schematic diagram of the arrangement of the driven box in step S3 of a preferred embodiment of the present invention;

[0034] Figure 5 is a schematic diagram of the position of the characteristic surface on the driven case in step S3 of the preferred embodiment of the present invention;

[0035] Figure 6 is a schematic diagram of the installation of the first intermediate box in step S4 of a preferred embodiment of the present invention;

[0036] Figure 7 is a schematic diagram of the installation of the main drive in step S5 of the preferred embodiment of the present invention;

[0037] Figure 8 is a schematic diagram of the installation of the shield body and the shield body supporting tooling in step S6 of the preferred embodiment of the present invention;

[0038] Fig. 9 is a schematic diagram of the arrangement of the support piers in step S7 of a preferred embodiment of the present invention;

[0039] Fig.10 is a schematic diagram of the installation of the support pier and the leveling tool in step S7 of the preferred embodiment of the present invention;

[0040] Fig.11 is a schematic diagram of the assembly of the shield body and the cutter disc in step S8 of a preferred embodiment of the present invention;

[0041] Fig.12 It is a complete assembly diagram of a vertical slag discharge system for shaft excavation according to a preferred embodiment of the present invention.

[0042] Legend:

[0043] 1. Bottom support frame; 2. Cutter head; 3. Jack; 4. Support column; 5. First total station; 6. Side block; 7. Side block support tooling; 8. Driven box; 9. Hand chain hoist; 10. First intermediate box; 11. Box support frame; 12. Main drive; 13. Telescopic cylinder; 14. Shield; 15. Shield support tooling; 16. Support pier; 17. Upper support part; 18. Lower support part; 19. Leveling tooling; 20. First central cylinder; 21. Second intermediate box; 22. Second central cylinder; 23. Storage bin; 24. Active box. DETAILED DESCRIPTION

[0044] The embodiments of the present invention are described in detail below with reference to the accompanying drawings. However, the present invention can be implemented in many different ways as defined and covered below.

[0045] The invention discloses an assembly method of a vertical slag discharge system for shaft excavation, which comprises the following steps:

[0046] Step S1: The end surface of the bottom of the cutter disc 2 is welded and fixed to the bottom support frame 1, and then jacks 3 are evenly arranged at the four corners of the cutter disc 2;

[0047] Step S2: measuring the levelness of the flange surface of the cutter head 2, and comparing the measured levelness with the theoretical levelness on the drawing to form a first deviation value, and then adjusting the levelness of the flange surface of the cutter head 2 by the jack 3 so that the first deviation value is within the error range of the theoretical levelness on the drawing;

[0048] Step S3: hoist the driven box 8 of the vertical slag lifting system into the cutter disc 2, and connect the connecting surface of the driven box 8 to the cutter disc 2 through the positioning pins inside the cutter disc 2; measure the angle data between the driven box 8 and the vertical plane and compare it with the theoretical angle of the drawing to form a second deviation value, and then adjust the angle between the driven box 8 and the vertical plane so that the second deviation value is within the error range allowed by the theoretical angle of the drawing, and then spot weld the bottom plate of the driven box 8 to the cutter disc 2 to complete the installation and positioning of the driven box 8;

[0049] Step S4: hoist the first intermediate box 10 to be spliced ​​with the driven box 8, determine the angular relationship between the first intermediate box 10 and the vertical plane through the first total station 5, measure the angle data of the first intermediate box 10 and compare it with the theoretical angle of the drawing to form a third deviation value, then adjust the angle between the first intermediate box 10 and the vertical plane to make the third deviation value within the allowable error range of the theoretical angle of the drawing, then connect the transmission chain on the first intermediate box 10 with the chain of the driven box 8, finally install the box support frame 11 for supporting the first intermediate box 10 on the flange surface of the cutter head 2, and complete the installation and positioning of the first intermediate box 10.

[0050] like Figure 1As shown, for step S1, a plurality of columns are arranged on the bottom support frame 1. The arrangement position and specific number of the columns are determined according to the structure of the cutter disc 2. In this embodiment, the number of columns is 6, which are arranged on the bottom support frame 1 at intervals. During the specific installation, the cutter disc 2 is lifted, and the excavation surface of the cutter disc 2 is arranged toward the bottom support frame 1, and falls on the supporting columns of the bottom support frame 1 of the cutter disc 2 support tooling, and then the connecting bottom plate of the columns is welded to the cutter disc 2. Then, 100T jacks 3 are arranged at the four corners of the cutter disc 2. Specifically, the number of jacks 3 is 8, and two jacks 3 are arranged on each surface of the cutter disc 2 at intervals. It should be noted that the arrangement position of the jacks 3 needs to be close to the end face of the cutter disc 2, and cannot interfere with the single disc of the cutter disc 2. In this step, a bottom support frame 1 is prepared to support the cutter disc 2, provide initial support for the cutter disc 2, and facilitate the subsequent transportation of the cutter disc 2. At the same time, jacks 3 are set at the four corners of the cutter disc 2. On the one hand, they provide support for the installation of the cutter disc 2, and on the other hand, the height of the cutter disc 2 can be adjusted to prepare for the leveling of the flange surface of the cutter disc 2.

[0051] like Figure 2 and Figure 3 As shown, for step S2, the first total station 5 is set up in the assembly area, and the measuring height of the first total station 5 needs to be higher than the overall height of the cutter head 2, so that the total station can observe the entire flange surface of the cutter head 2, and the prism required for the observation of the first total station 5 is placed on the flange surface of the cutter head 2, and the placement state of the cutter head 2 at this time is used as a reference to establish a coordinate system, and then select the four corners on the flange surface of the cutter head 2 and four to six points on the middle ring as measurement points for measurement. It should be noted that the distribution of the measurement points when selecting needs to be dispersed so that the measurement points cover the cutter head 2 surface as much as possible. Then, the first total station 5 is used to measure each measuring point to determine the position of each measuring point in the coordinate system, and the high and low points of the flange surface of the cutter disc 2 are obtained by using the position of each measuring point in the coordinate system. Specifically, the measuring points sampled by the first total station 5 will form a coordinate record in the first total station 5, and the serial number will be marked at the sampled measuring point. By comparing the coordinates of each measuring point through the sampling data, the position of each measuring point in the coordinate system can be calculated, and then the flange surface of the cutter disc 2 is leveled by the set jack 3, and the horizontality of the flange surface of the cutter disc 2 is leveled to within ±2mm. The flange surface of the cutter disc 2 is leveled to facilitate the subsequent installation of various components based on the cutter disc 2 without interference. Specifically, if the horizontality fails to meet the above requirements, after the driven box 8 of the vertical lifting and slag discharge system is positioned, the shield body 14 and the flange surface of the cutter head 2 will not be parallel, causing the vertical lifting and slag discharge system to interfere with the first central cylinder 20, the second central cylinder 22 and the storage bin 23 arranged on the shield body 14, thereby causing the entire vertical shaft excavation vertical slag discharge system to fail to assemble.

[0052] like Figure 4 and Figure 5 As shown, for step S3, the vertical slag lifting system includes a driven box 8, a first intermediate box body 10, a second intermediate box body 21 and a driving box 24 which are spliced ​​in sequence. This step is for the position adjustment during installation of the driven box 8 and the subsequent positioning and fixing. Specifically, the driven box 8 is first hoisted into the cutter head 2, and the connection surface of the driven box 8 is connected to the connection surface of the cutter head 2 by the positioning pins inside the cutter head 2; then a second total station is set up on the flange surface of the cutter head 2, and a plurality of positioning points are selected and measured on the characteristic surface of the driven box 8 at one end away from the connection surface with the cutter head 2 by the second total station. The characteristic surface is the connection surface of the driven box 8 and the first intermediate box body 10 in the future. The coordinate relationship of the driven box 8 in the entire assembly area is determined according to the measured positioning points, and the angle relationship between the driven box 8 and the vertical plane is calculated according to the coordinate position of the driven box 8. The angle value measured by the second total station is compared with the theoretical angle value of the drawing, and the position of the driven box 8 is adjusted by the hand chain hoist 9 arranged on the driven box 8, so that the angle between the driven box 8 and the vertical plane is controlled within ±0.5° of the theoretical angle of the drawing. After the position of the driven box 8 is adjusted in place, the bottom plate of the driven box 8 is fixed to the cutter head 2 by spot welding. In this step, the hand chain hoist 9 is a kind of adjustment hanger. Specifically, one end of the hand chain hoist 9 is fixed on the rib plate of the cutter head 2, and the other end is connected to the driven box 8. The force is transmitted through the chain of the hand chain hoist 9, so as to adjust the position of the driven box 8. The angle between the driven box 8 and the vertical plane is controlled within ±0.5° of the theoretical angle of the drawing to prevent the components of the slag discharge system from interfering with the inner wall of the shield body 14 installed later, resulting in product assembly failure.

[0053] like Figure 6As shown, for step S4, this step is used for the installation and positioning of the first intermediate box body 10. Specifically, the first intermediate box body 10 is hoisted into the cutter disc 2, and the first intermediate box body 10 is spliced ​​with the driven box 8. Specifically, the connecting surface of the first intermediate box body 10 and the characteristic surface of the driven box 8 are positioned by positioning pins, and then spliced ​​and fixed by bolts, and then a plurality of characteristic points are selected on the side of the first intermediate box body 10, and the plurality of characteristic points are measured by a second total station, and the coordinate relationship of the first intermediate box body 10 in the entire space is determined according to the characteristic points, and the angular relationship between the first intermediate box body 10 and the vertical plane is determined according to the coordinate position of the first intermediate box body 10, and then the measured angle data is compared with the theoretical angle of the drawing, and the angle between the first intermediate box body 10 and the vertical plane is adjusted to within ±0.5° allowed by the theoretical angle of the drawing. The purpose of adjusting the position of the first intermediate box 10 is to ensure that the first box will not interfere with the shield 14 installed later, and to ensure that the second intermediate box 21 connected to the first intermediate box 10 does not interfere with the first central cylinder 20, the second central cylinder 22 and the storage bin 23 arranged on the shield 14, so as to ensure the normal assembly of the vertical slag lifting system. If the angle between the first intermediate box 10 and the vertical plane exceeds the ±0.5° allowed by the theoretical angle of the drawing, it is necessary to remove the weld of the driven box 8 and re-adjust the driven box 8, and then re-position the driven box 8 and install the first intermediate box 10 again. After the angle of the first intermediate box 10 meets the requirements, the transmission chain on the first intermediate box 10 is connected to the transmission chain on the driven box 8, and the box support frame 11 for supporting the first intermediate box 10 is welded on the flange surface of the cutter head 2, and the installation and positioning of the first intermediate box 10 are completed.

[0054] In the specific implementation, in the assembly method of the vertical slag discharge system for shaft excavation, firstly, the bottom support frame 1 is designed and placed in the central area of ​​the assembly area to provide initial support for the cutter disc 2, and then the four corners of the cutter disc 2 are set with jacks 3 for supporting the cutter disc 2. Subsequently, the first total station 5 is set up in the assembly area, and the coordinate system is established by using the first total station 5 with the placement state of the cutter disc 2 at this time as a reference, and the horizontality of the flange surface of the cutter disc 2 is measured, and the horizontality measured by the first total station 5 is compared with the theoretical horizontality of the drawing, and then the horizontality of the flange surface of the cutter disc 2 is adjusted to the standard range by the jack 3. In order to complete the installation and positioning of the cutter disc 2, the flange surface of the cutter disc 2 is leveled to facilitate the subsequent installation of various components based on the cutter disc 2 without interference. Specifically, if the horizontality does not meet the above requirements, after the driven box 8 of the vertical lifting and slag discharge system is positioned, the shield body 14 and the flange surface of the cutter head 2 will not be parallel, causing the vertical lifting and slag discharge system to interfere with the first central cylinder 20, the second central cylinder 22 and the storage bin 23 arranged on the shield body 14, thereby causing the entire vertical shaft excavation vertical slag discharge system to fail to assemble. Then, the driven box 8 and the first intermediate box 10 are assembled in turn. When assembling the driven box 8, the driven box 8 is first hoisted into the cutter head 2 and connected to the cutter head 2. The angle relationship between the driven box 8 and the vertical plane is measured by the second total station. The measured angle data is compared with the theoretical angle of the drawing, and the angle between the driven box 8 and the vertical plane is adjusted to within the error range allowed by the theoretical angle of the drawing. The bottom plate of the driven box 8 is then spot welded to the cutter head 2 to complete the installation and positioning of the driven box 8. When assembling the first intermediate box 10, the first The intermediate box 10 is hoisted to be spliced ​​with the driven box 8, and the angle relationship between the first intermediate box 10 and the vertical plane is determined by the second total station, and then the angle data measured is compared with the theoretical angle of the drawing, and the angle between the first intermediate box 10 and the vertical plane is adjusted to the error range allowed by the theoretical angle of the drawing, and then the transmission chain on the first intermediate box 10 is connected to the chain of the driven box 8, and the box support frame 11 for supporting the first intermediate box 10 is installed on the flange surface of the cutter head 2 to complete the installation and positioning of the first intermediate box 10. Since the driven box and the first intermediate box are located at the front end of the tilt angle, after determining the position of the driven box and the first intermediate box, the assembly error of the remaining components of the vertical lifting slag discharge system is greatly reduced, so the remaining components can be directly installed on the first intermediate box. In summary, the key parameters are measured by the first total station 5 and the second total station, and the position of each component is adjusted according to the measured parameters, so that the error of the vertical lifting slag discharge system during installation is effectively controlled to ensure the smooth assembly of the vertical lifting slag discharge system.

[0055] Furthermore, in step S1, a support column 4 for supporting the jack 3 is provided at one end of the jack 3 away from the cutter disc 2. The purpose of providing the support column 4 in this embodiment is to increase the lifting height of the jack 3 to the cutter disc 2, that is, to increase the range of movement of the jack 3 when leveling the cutter disc 2.

[0056] Further, in step S2 , the detection height of the first total station 5 is higher than the overall height of the cutterhead 2 .

[0057] In this embodiment, the first total station 5 is set up in the assembly area, and the measuring height of the first total station 5 needs to be higher than the overall height of the cutter disc 2, so that the total station can observe the entire flange surface of the cutter disc 2, which is convenient for proposing a coordinate system based on the cutter disc 2 and measuring the measuring points on the flange surface of the cutter disc 2.

[0058] Furthermore, in step S2, a plurality of measuring points are selected on the flange surface of the cutter disc 2 by the first total station 5, and the high and low points of the cutter disc 2 are obtained according to the height data of the measuring points, and then the cutter disc 2 is leveled by the jack 3 so that the horizontality of the flange surface of the cutter disc 2 is adjusted to within the standard range.

[0059] In this embodiment, four corners on the flange surface of the cutter disc 2 and four to six points on the middle ring are selected as measuring points for measurement. It should be noted that the distribution of the measuring points when selecting needs to be dispersed so that the measuring points cover the cutter disc 2 surface as much as possible. Then, the first total station 5 is used to measure each measuring point to determine the position of each measuring point in the coordinate system, and the high and low points of the flange surface of the cutter disc 2 are obtained by using the position of each measuring point in the coordinate system. Specifically, the measuring points sampled by the first total station 5 will form a coordinate record in the total station, and the serial number will be marked at the sampled measuring point. By comparing the coordinates of each measuring point through the sampling data, the position of each measuring point in the coordinate system can be calculated, and then the flange surface of the cutter disc 2 is leveled by the set jack 3, and the horizontality of the flange surface of the cutter disc 2 is leveled to within ±2mm. The flange surface of the cutter disc 2 is leveled to facilitate the subsequent installation of various components on the cutter disc 2 without interference. Specifically, if the horizontality fails to meet the above requirements, after the driven box 8 of the vertical lifting and slag discharge system is positioned, the shield body 14 and the flange surface of the cutter head 2 will not be parallel, causing the vertical lifting and slag discharge system to interfere with the first central cylinder 20, the second central cylinder 22 and the storage bin 23 arranged on the shield body 14, thereby causing the entire vertical shaft excavation vertical slag discharge system to fail to assemble.

[0060] Furthermore, in step S2, after the horizontality of the flange surface of the cutter disc 2 is adjusted to a standard range, edge blocks 6 are fixedly installed on the four circumferential surfaces of the cutter disc 2, and edge block supporting fixtures 7 are installed to support the edge blocks 6.

[0061] In this embodiment, edge blocks 6 are fixedly installed on the four circumferential surfaces of the cutter disc 2, and edge block support fixtures 7 are installed to support the edge blocks 6. This arrangement allows the cutter disc 2 to be supported more stably, which is conducive to the installation of subsequent mechanisms. Specifically, because the diameter of the cutter disc 2 will increase after the edge blocks 6 are installed, the support fixture is installed on the edge blocks 6 of the cutter disc 2, which will increase the force-bearing area, so that the cutter disc 2 can be supported more stably.

[0062] Furthermore, in step S3, a plurality of positioning points are selected and measured on a characteristic surface of the driven box 8 at one end away from the connection surface with the cutter disc 2 by a second total station, and the coordinate relationship of the driven box 8 in the entire assembly area is determined according to the measured positioning points, and the angular relationship between the driven box 8 and the vertical plane is judged according to the coordinate position of the driven box 8. The angle value measured by the second total station is compared with the theoretical angle value on the drawing, and the position of the driven box 8 is adjusted by a hand winch 9 arranged on the driven box 8, so that the angle between the driven box 8 and the vertical plane is controlled within ±0.5° of the theoretical angle on the drawing.

[0063] As shown in the figure, the characteristic surface is surface A, and the characteristic surface is the connection surface between the driven box 8 and the first intermediate box 10. The coordinate relationship of the driven box 8 in the entire assembly area is determined according to the measured positioning points, and the angle relationship between the driven box 8 and the vertical plane is calculated according to the coordinate position of the driven box 8. The angle value measured by the second total station is compared with the theoretical angle value of the drawing, and the position of the driven box 8 is adjusted by the hand chain hoist 9 arranged on the driven box 8, so that the angle between the driven box 8 and the vertical plane is controlled within ±0.5° of the theoretical angle of the drawing. The hand chain hoist 9 is a kind of adjustment hanger. Specifically, one end of the hand chain hoist 9 is fixed on the rib plate of the cutter head 2, and the other end is connected to the driven box 8. The force is transmitted through the chain of the hand chain hoist 9, so as to adjust the position of the driven box 8. The angle between the driven box 8 and the vertical plane is controlled within ±0.5° of the theoretical angle of the drawing to prevent the components of the slag discharge system from interfering with the inner wall of the shield body 14 installed later, resulting in product assembly failure.

[0064] Furthermore, in step S3, the angle between the connecting surface of the driven box 8 and the vertical plane is remeasured by using an angle measuring instrument to verify whether the angle measured by the total station is consistent with the angle measured by the angle measuring instrument. If the angles are consistent, the position of the driven box 8 can be adjusted by the hand winch 9 arranged on the driven box 8 so that the angle between the driven box 8 and the vertical plane is controlled within ±0.5° of the theoretical angle on the drawing; if the angles are inconsistent, additional positioning points are selected and measured, and the coordinate relationship of the driven box 8 in the entire assembly area is re-determined based on all the measured positioning points, and the angular relationship between the driven box 8 and the vertical plane is determined based on the coordinate position of the driven box 8. The angle measuring instrument is then used to remeasure the angle between the connecting surface of the driven box 8 and the vertical plane to verify whether the angle measured by the total station is consistent with the angle measured by the angle measuring instrument.

[0065] In this embodiment, an angle measuring instrument is provided to remeasure the angle between the connecting surface of the driven box 8 and the vertical plane to verify whether the angle measured by the total station is consistent with the angle measured by the angle measuring instrument. This can further ensure the accuracy of the position of the driven box 8, prevent interference between components during subsequent installation due to inaccurate arrangement of the driven box 8, and reduce the risk of rework and reinstallation.

[0066] Furthermore, in step S4, a plurality of characteristic points on the side surface of the first intermediate box 10 are measured by a second total station, and the coordinate relationship of the first intermediate box 10 in the entire space is determined based on the characteristic points, and the angular relationship between the first intermediate box 10 and the vertical plane is judged based on the coordinate position of the first intermediate box 10, and then the measured angle data is compared with the theoretical angle of the drawing, and the angle between the first intermediate box 10 and the vertical plane is adjusted to within ±0.5° allowed by the theoretical angle of the drawing.

[0067] In this embodiment, the purpose of adjusting the position of the first intermediate box 10 is to ensure that the first box does not interfere with the shield 14 installed later, and to ensure that the second intermediate box 21 connected to the first intermediate box 10 does not interfere with the first central cylinder 20, the second central cylinder 22 and the storage bin 23 arranged on the shield 14, so as to ensure the normal assembly of the vertical slag lifting system. If the angle between the first intermediate box 10 and the vertical plane exceeds the ±0.5° allowed by the theoretical angle of the drawing, it is necessary to remove the weld of the driven box 8 and re-adjust the driven box 8, and then re-position the driven box 8 and install the first intermediate box 10 again. After the angle of the first intermediate box 10 meets the requirements, the transmission chain on the first intermediate box 10 is connected to the transmission chain on the driven box 8, and the box support frame 11 for supporting the first intermediate box 10 is welded on the flange surface of the cutter head 2, and the installation and positioning of the first intermediate box 10 are completed.

[0068] Furthermore, after step S4, the following steps are also included:

[0069] Step S5: The main drive 12 for driving the cutter head 2 to rotate is fixedly connected to the flange surface of the cutter head 2;

[0070] Step S6: preparing the shield body 14 and installing the shield body supporting tooling 15 on the side of the shield body 14;

[0071] Step S7: Install the support pier 16 in the final assembly area according to the designed position, and install the leveling tool 19 on the support pier 16, and use the leveling tool 19 to adjust the horizontality of the support pier 16 to the error range of the theoretical horizontality of the drawing;

[0072] Step S8: hoist the shield body 14 to the flange surface of the cutter head 2, and then adjust the position of the shield body 14 so that the shield body supporting tooling 15 is connected to the supporting pier 16 correspondingly, and then connect the cylinder ear seat of the shield body 14 to the cylinder piston rod of the main drive 12 to complete the installation of the shield body 14;

[0073] Step S9: Install the first central cylinder 20 on the shield body 14, connect the second intermediate box 21 with the first intermediate box 10, assemble the second central cylinder 22 on the first central cylinder 20, assemble the storage bin 23 on the second central cylinder 22, and finally connect the active box 24 with the second intermediate box 21 to complete the assembly.

[0074] like Figure 7 As shown, for step S5, the main drive 12 used to drive the cutter disc 2 to rotate is connected to the cutter disc 2. Specifically, positioning pin holes are provided at four corners on the flange surface of the cutter disc 2, and corresponding positioning pin holes are provided on the connecting surface of the main drive 12. When the main drive 12 is connected to the cutter disc 2, the positioning pin is first passed through the positioning pin hole to position it, and then the main drive 12 is connected and fixed to the cutter disc 2 by connecting bolts.

[0075] like Figure 8 As shown, for step S6, prepare the shield body 14 to be installed, and fix the shield body 14 around the shield body 14 to support the shield body support fixture 15 of the entire device. In order to ensure the stability of the support, the bearing capacity of the shield body support fixture 15 shall not be less than 1.5 times the total weight of the equipment.

[0076] like Fig. 9 and Fig.10As shown, for step S7, a number of support piers 16 are prepared, and the positions of the support piers 16 in the assembly area are measured according to the design drawings, and the positioning coordinates of the support piers 16 on the drawings are converted into actual coordinates, and then the actual coordinates are staked out to the assembly area using the first total station 5. According to the result of the stakeout, the support piers 16 are placed at the stakeout position and fixed, and at the same time, a leveling tool 19 is installed on the support piers 16, and the first total station 5 is used to measure the horizontality of the support piers 16, and then the leveling tool 19 is used to adjust the measured horizontality of the support piers 16 to within the error range of the theoretical horizontality of the drawings, specifically, the horizontality of the support piers 16 is adjusted to within ±2 mm.

[0077] like Fig.11 As shown, for step S8, the shield body 14 is hoisted to the flange surface of the cutter head 2, and then the position of the shield body 14 is adjusted so that the shield body supporting tooling 15 is correspondingly connected to the supporting pier 16, and then the cylinder ear seat of the shield body 14 is connected to the cylinder piston rod of the main drive 12 to complete the installation and fixation of the shield body 14.

[0078] like Fig.12 As shown, for step S9, the first cylinder is installed on the shield body 14, and then the second intermediate box 21 is connected to the first intermediate box 10, and then the second central cylinder is assembled on the first central cylinder 20, and then the storage bin 23 is assembled on the second central cylinder 22, and finally the active box 24 is connected to the second intermediate box 21 to complete the assembly. In this step, the main drive 12 telescopic cylinder 13 also needs to be connected with pipelines.

[0079] Furthermore, in step S7, the position of the support pier 16 in the assembly area is measured according to the design drawing, and the positioning coordinates of the support pier 16 on the drawing are converted into actual coordinates, and then the actual coordinates are staked out to the assembly area using the first total station 5. According to the result of the stakeout, the support pier 16 is placed at the stakeout position and fixed, and at the same time, a leveling tool 19 is installed on the support pier 16, and the first total station 5 is used to measure the horizontality of the support pier 16, and then the leveling tool 19 is used to adjust the measured horizontality of the support pier 16 to within the error range of the theoretical horizontality of the drawing.

[0080] In this embodiment, a number of support piers 16 are prepared, and the positions of the support piers 16 in the assembly area are measured according to the design drawings, and the positioning coordinates of the support piers 16 on the drawings are converted into actual coordinates, and then the actual coordinates are staked out to the assembly area using the first total station 5. According to the results of the stakeout, the support piers 16 are placed at the stakeout position and fixed, and at the same time, a leveling tool 19 is installed on the support piers 16, and the first total station 5 is used to measure the horizontality of the support piers 16, and then the leveling tool 19 is used to adjust the measured horizontality of the support piers 16 to the error range of the theoretical horizontality of the drawings, specifically, the horizontality of the support piers 16 is adjusted to within ±2 mm.

[0081] Furthermore, the support pier 16 includes an upper support portion 17 and a lower support portion 18, and the upper support portion 17 and the lower support portion 18 are connected by a leveling mechanism. The leveling mechanism includes a threaded plate, a base plate, and bolts for connecting the threaded plate and the base plate. The threaded plate is welded to the upper support portion 17, and the base plate is welded to the lower support portion 18. The spacing distance between the upper support portion 17 and the lower support portion 18 is adjusted by tightening the bolts.

[0082] In this embodiment, the support pier 16 includes an upper support portion 17 and a lower support portion 18, and the upper support portion 17 and the lower support portion 18 are connected by a leveling mechanism. Specifically, the support portion includes a threaded plate and a bottom plate, and bolts connecting the threaded plate and the bottom plate. The threaded plate is welded to the upper support portion 17, and the bottom plate is welded to the lower support portion 18. The spacing distance between the upper support portion 17 and the lower support portion 18 is adjusted by means of bolts and screw holes, thereby realizing the up and down adjustment of the support pier 16. In order to ensure the stability of the support pier 16, the gap between the upper support portion 17 and the lower support portion 18 can be tightened by filling a gasket.

[0083] Furthermore, in the step S9, the pipeline of the telescopic cylinder 13 of the main drive 12 is connected in place, and the cutter disc 2 is lifted relative to the supporting pier 16 by the telescopic cylinder 13, so as to facilitate the removal of the jack 3 supporting the cutter disc 2.

[0084] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A method for assembling a vertical slag discharge system for shaft excavation, characterized in that: The following steps are involved: Step S1: The end surface of the bottom of the cutter disc (2) is fixed to the bottom support frame (1) by welding, and then jacks (3) are evenly arranged at the four corners of the cutter disc (2); Step S2: measuring the levelness of the flange surface of the cutter disc (2), comparing the measured levelness with the theoretical levelness on the drawing to form a first deviation value, and then adjusting the levelness of the flange surface of the cutter disc (2) by means of a jack (3) so that the first deviation value is within the error range of the theoretical levelness on the drawing; Step S3: hoisting the driven box (8) of the vertical slag lifting system into the cutter disc (2), connecting the connecting surface of the driven box (8) to the cutter disc (2) through the positioning pins inside the cutter disc (2); measuring the angle data between the driven box (8) and the vertical plane and comparing it with the theoretical angle of the drawing to form a second deviation value, then adjusting the angle between the driven box (8) and the vertical plane so that the second deviation value is within the error range allowed by the theoretical angle of the drawing, and then spot welding the bottom plate of the driven box (8) to the cutter disc (2), completing the installation and positioning of the driven box (8); Step S4: hoist the first intermediate box (10) to be spliced ​​with the driven box (8), determine the angular relationship between the first intermediate box (10) and the vertical plane by using the first total station (5), measure the angle data of the first intermediate box (10) and compare it with the theoretical angle in the drawing to form a third deviation value, then adjust the angle between the first intermediate box (10) and the vertical plane so that the third deviation value is within the error range allowed by the theoretical angle in the drawing, then connect the transmission chain on the first intermediate box (10) with the chain of the driven box (8), and finally install a box support frame (11) for supporting the first intermediate box (10) on the flange surface of the cutter head (2), thereby completing the installation and positioning of the first intermediate box (10).

2. The assembly method of the vertical slag discharge system for shaft excavation according to claim 1, characterized in that: In the step S1, a support column (4) for supporting the jack (3) is arranged at one end of the jack (3) facing away from the cutter disc (2).

3. The assembly method of the vertical slag discharge system for shaft excavation according to claim 1, characterized in that: In the step S2, a first total station (5) is set up to measure the horizontality of the flange surface of the cutter head (2), and the detection height of the first total station (5) is higher than the overall height of the cutter head (2).

4. The assembly method of the vertical slag discharge system for shaft excavation according to claim 3, characterized in that: In step S2, a plurality of measuring points are selected on the flange surface of the cutter disc (2) by means of a first total station (5), and the high and low points of the cutter disc (2) are obtained based on the height data of the measuring points. The cutter disc (2) is then leveled by means of a jack (3) so that the horizontality of the flange surface of the cutter disc (2) is adjusted to within ±2 mm of the theoretical horizontality on the drawing.

5. The assembly method of the vertical slag discharge system for shaft excavation according to claim 4, characterized in that: In the step S2, after the horizontality of the flange surface of the cutter disc (2) is adjusted to a standard range, side blocks (6) are fixedly installed on the four circumferential surfaces of the cutter disc (2), and side block supporting tooling (7) is installed to support the side blocks (6).

6. The assembly method of the vertical slag discharge system for shaft excavation according to claim 1, characterized in that: In step S3, a second total station for measuring the angle relationship between the driven box (8) and the vertical plane is mounted on the flange surface of the cutter disc (2). A plurality of positioning points are selected and measured on a characteristic surface of the driven box (8) at one end away from the connection surface with the cutter disc (2) by the second total station. The coordinate relationship of the driven box (8) in the entire assembly area is determined based on the measured positioning points. The angle relationship between the driven box (8) and the vertical plane is determined based on the coordinate position of the driven box (8). The angle value measured by the second total station is compared with the theoretical angle value on the drawing. The position of the driven box (8) is adjusted by a hand winch (9) arranged on the driven box (8) so that the angle between the driven box (8) and the vertical plane is controlled within ±0.5° of the theoretical angle on the drawing.

7. The assembly method of the vertical slag discharge system for shaft excavation according to claim 6, characterized in that: In step S3, the angle between the connecting surface of the driven box (8) and the vertical plane is remeasured by using an angle measuring instrument to verify whether the angle measured by the total station is consistent with the angle measured by the angle measuring instrument. If the angles are consistent, the position of the driven box (8) can be adjusted by a hand chain hoist (9) arranged on the driven box (8) so that the angle between the driven box (8) and the vertical plane is controlled within ±0.5° of the theoretical angle of the drawing; if the angles are inconsistent, additional positioning points are selected and measured, and the coordinate relationship of the driven box (8) in the entire assembly area is re-determined based on all the measured positioning points, and the angle relationship between the driven box (8) and the vertical plane is determined based on the coordinate position of the driven box (8), and the angle measuring instrument is used to remeasure the angle between the connecting surface of the driven box (8) and the vertical plane to verify whether the angle measured by the total station is consistent with the angle measured by the angle measuring instrument.

8. The assembly method of the vertical slag discharge system for shaft excavation according to claim 1, characterized in that: In step S4, a plurality of characteristic points on the side surface of the first intermediate box (10) are measured by the first total station (5), and the coordinate relationship of the first intermediate box (10) in the entire space is determined based on the characteristic points, and the angle relationship between the first intermediate box (10) and the vertical plane is determined based on the coordinate position of the first intermediate box (10), and then the measured angle data is compared with the theoretical angle of the drawing, and the angle between the first intermediate box (10) and the vertical plane is adjusted to within ±0.5° of the theoretical angle allowed by the drawing.

9. The assembly method of the vertical slag discharge system for shaft excavation according to claim 1, characterized in that: The step S4 further includes the following steps: Step S5: fixedly connecting the main drive (12) for driving the cutter disc (2) to rotate to the flange surface of the cutter disc (2); Step S6: preparing the shield body (14), and installing the shield body supporting tooling (15) on the side of the shield body (14); Step S7: installing the support pier (16) in the final assembly area according to the designed position, installing a leveling tool (19) on the support pier (16), and using the leveling tool (19) to adjust the horizontality of the support pier (16) to within the error range of the theoretical horizontality of the drawing; Step S8: hoisting the shield body (14) to the flange surface of the cutter head (2), adjusting the position of the shield body (14) so ​​that the shield body supporting tooling (15) is correspondingly connected to the supporting pier (16), and then connecting the cylinder ear seat of the shield body (14) to the cylinder piston rod of the main drive (12), thereby completing the installation of the shield body (14); Step S9: Install the first central cylinder (20) on the shield body (14), then connect the second intermediate box (21) to the first intermediate box (10), then assemble the second central cylinder (22) on the first central cylinder (20), then assemble the storage bin on the second central cylinder (22), and finally connect the active box (24) to the second intermediate box (21) to complete the assembly.

10. The assembly method of the vertical slag discharge system for shaft excavation according to claim 9, characterized in that: In step S7, the position of the support pier (16) in the assembly area is measured according to the design drawing, and the positioning coordinates of the support pier (16) on the drawing are converted into actual coordinates, and then the actual coordinates are laid out to the assembly area using the first total station (5). According to the result of the laying out, the support pier (16) is placed at the laying out position and fixed, and at the same time, a leveling tool (19) is installed on the support pier (16), and the first total station (5) is used to measure the horizontality of the support pier (16), and then the leveling tool (19) is used to adjust the measured horizontality of the support pier (16) to within the error range of the theoretical horizontality of the drawing according to the horizontality measured by the support pier (16).

11. The assembly method of the vertical slag discharge system for shaft excavation according to claim 9, characterized in that: In the step S9, the pipeline of the telescopic cylinder (13) of the main drive (12) is connected in place, and the cutter disc (2) is lifted relative to the supporting pier (16) by the telescopic cylinder (13), so as to facilitate the removal of the jack (3) supporting the cutter disc (2).

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