Shield tunneling machine tail shield deformation repairing equipment

Abstract

According to the tail shield deformation repairing equipment for the shield tunneling machine, a motor lifting platform is connected to the top end of a lifting driving assembly, and an angle adjusting motor is fixed to the center area of the motor lifting platform; a driving shaft of the angle adjusting motor is meshed with the butt joint shaft sleeve; the rotating beam is fixed to the top of the butt joint shaft sleeve. A plurality of clamping grooves are distributed in the rotating beam. The repairing instrument mounting assembly comprises a repairing instrument mounting main body, a lug seat is arranged at the upper end of the repairing instrument mounting main body, and an avoiding strip hole is formed in the lug seat; the lug seat is hinged with a clamping plate through a pin shaft; the clamping plate is clamped into the clamping groove through the receding strip hole so that the repairing instrument installation body can be fixed to the designated position of the rotating beam. A designated repairing instrument is fixed to the repairing instrument mounting body so as to detect and repair tail shield deformation of the shield tunneling machine. When a deformed old tail shield is repaired, the deformation position angle of the tail shield can be detected in a high-precision mode through one-time positioning, 360-degree rotation and random adjustment in the height direction can be achieved, and the application range is wider.

Description

Technical Field

[0001] The invention belongs to the technical field of shield machine maintenance, and in particular relates to a shield machine tail shield deformation repair device. Background Art

[0002] At present, when the shield machine completes the excavation task of a section, the tail shield will be deformed under the action of water and soil pressure. When the old tail shield (the tail shield that exits the hole after excavation) needs to be reused, the tail shield needs to be repaired, and the tail shield rounding is a key step in the quality of the tail shield repair.

[0003] At present, in the process of repairing the deformation of the tail shield of the shield machine, it is necessary to weld brackets on the old tail shield, set up hand winches, jacks and other equipment, and perform local flame correction. This requires high manual operation level and experience. The final molding quality of the tail shield after rounding is highly dependent on the operator. Traditional correction devices and methods are usually used in the welding process of new tail shields, but for the rounding process of old tail shields, existing equipment and methods have certain limitations. For example, the tooling for ground assembly and roundness adjustment of the tail shield of a shield machine with application number 202111645963.3 is applicable to a small range of tail shield specifications, and the cantilever structure has weak strength. The correction equipment needs to be manually moved and adjusted, and the center of the bottom support frame needs to be adjusted multiple times. Therefore, it is necessary to design a technical solution for repairing the deformation of the tail shield of a shield machine. Summary of the invention

[0004] To this end, the present invention provides a shield machine tail shield deformation repair device to solve the problems of high dependence on traditional repair technicians, small scope of application, insufficient strength, large workload, and need for multiple center adjustments.

[0005] In order to achieve the above-mentioned object, the present invention provides the following technical solutions: a shield machine tail shield deformation repair device, comprising a lifting drive assembly, a motor lifting platform, an angle adjustment motor, a docking sleeve, a rotating beam and a repair instrument installation assembly; The motor lifting platform is connected to the top of the lifting drive assembly, and the angle adjustment motor is fixed to the central area of ​​the motor lifting platform; the driving shaft of the angle adjustment motor is engaged with the docking sleeve; the rotating beam is fixed to the top of the docking sleeve, and a plurality of slots are distributed on the rotating beam; The repair instrument installation assembly comprises a repair instrument installation body, an ear seat is provided at the upper end of the repair instrument installation body, a avoidance strip hole is formed inside the ear seat; the ear seat is hinged with a clamping plate through a pin shaft; The clamping plate is inserted into the clamping slot through the avoidance bar hole to fix the repair instrument installation body at a specified position of the rotating beam; the repair instrument installation body is fixed with a specified repair instrument to detect and repair the deformation of the tail shield of the shield machine.

[0006] As a preferred solution for the shield machine tail shield deformation repair equipment, the lifting drive assembly includes a lifting fixed seat and a lifting drive cylinder; the driving end of the lifting drive cylinder is connected to the bottom of the motor lifting platform, and the tail end of the lifting drive cylinder is connected to the lifting fixed seat.

[0007] As a preferred solution for the deformation repair equipment of the tail shield of the shield machine, the lifting fixing seat and the lifting driving cylinder are each provided with four groups, and the four groups of the lifting fixing seat and the lifting driving cylinder are distributed in the four corner areas of the motor lifting platform.

[0008] As a preferred solution for the deformation repair equipment of the tail shield of the shield machine, the bottoms of the four groups of lifting and fixing seats are commonly connected to a moving trolley; one side of each lifting and fixing seat is connected to an auxiliary bracket.

[0009] As a preferred solution for the deformation repair equipment of the tail shield of a tunnel boring machine, a docking hole is formed at the center of the docking sleeve, and the inner wall of the docking hole is provided with internal teeth; the end of the driving shaft of the angle adjustment motor is provided with external teeth; the internal teeth are meshed with the external teeth.

[0010] As a preferred solution for the deformation repairing device for the tail shield of a tunnel boring machine, a scale is provided on the outer wall of the docking sleeve, and the scale is used to indicate the rotation angle of the rotating beam.

[0011] As a preferred solution for the deformation repair equipment of the tail shield of a tunnel boring machine, the rotating beam includes a central rotating part and an extending part, the top end of the docking sleeve is connected to the central rotating part, the extending part is connected to one side of the central rotating part, and the lower end of the extending part is connected to a support column; the card slots are distributed along both sides of the extending part.

[0012] As a preferred solution for the deformation repair equipment of the tail shield of a tunnel boring machine, four groups of the extension parts are provided, and the four groups of the extension parts are cross-shaped and connected to the outside of the central rotating part.

[0013] As a preferred solution for the shield machine tail shield deformation repair equipment, four groups of ear seats are provided at the upper end of the repair instrument installation body, and the four groups of ear seats are symmetrically distributed on both sides of the repair instrument installation body; each group of ear seats is connected to a clamping plate through a pin shaft.

[0014] As a preferred solution for the deformation repair equipment of the tail shield of the shield machine, a movable roller is connected to the bottom of the repair instrument installation body, and the designated repair instrument fixed at the upper end of the repair instrument installation body includes at least one of a repair cylinder, a jack or a laser rangefinder.

[0015] The beneficial effects of the present invention are as follows: a lifting drive assembly, a motor lifting platform, an angle adjustment motor, a docking sleeve, a rotating beam and a repair instrument installation assembly are provided; the motor lifting platform is connected to the top of the lifting drive assembly, and the angle adjustment motor is fixed in the central area of ​​the motor lifting platform; the drive shaft of the angle adjustment motor is meshed with the docking sleeve; the rotating beam is fixed to the top of the docking sleeve, and a number of slots are distributed on the rotating beam; the repair instrument installation assembly includes a repair instrument installation body, an ear seat is provided at the upper end of the repair instrument installation body, and an avoidance bar hole is formed inside the ear seat; the ear seat is hinged with a card plate through a pin shaft; the card plate is inserted into the card slot through the avoidance bar hole to fix the repair instrument installation body at the specified position of the rotating beam; the repair instrument installation body is fixed with a specified repair instrument to detect and repair the deformation of the tail shield of the shield machine. When repairing a deformed old tail shield, the present invention can detect the deformation position angle of the tail shield with high precision through one-time positioning; tail shields with different diameters can be repaired by rotating the beam; a cylinder, a jack or a rangefinder is installed on the rotating beam to perform repair and measurement without repeated positioning; the present invention can realize 360-degree rotation and arbitrary adjustment of height direction, has a wider application range and low dependence on personnel. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the implementation methods of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the implementation methods or the description of the prior art. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0017] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with the technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantial technical significance. Any structural modification, change in proportion or adjustment of size shall still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure from a first perspective of a shield machine tail shield deformation repair device provided in an embodiment of the present invention; Figure 2 A schematic diagram of the stereoscopic structure of a shield machine tail shield deformation repair device from a second viewing angle provided in an embodiment of the present invention; Figure 3 A schematic diagram of the cooperation between the angle adjustment motor and the docking sleeve of the shield machine tail shield deformation repair equipment provided in an embodiment of the present invention; Figure 4 It is a partially enlarged schematic diagram of a deformation repair device for a tail shield of a tunnel boring machine provided in an embodiment of the present invention; Figure 5 It is a schematic diagram of the installation assembly of the repair instrument of the shield machine tail shield deformation repair equipment provided in an embodiment of the present invention.

[0019] In the figure: 1. lifting drive assembly; 2. motor lifting platform; 3. angle adjustment motor; 4. docking sleeve; 5. rotating beam; 6. repair instrument installation assembly; 7. slot; 8. repair instrument installation body; 9. ear seat; 10. avoidance bar hole; 11. card plate; 12. lifting fixed seat; 13. lifting drive cylinder; 14. moving trolley; 15. auxiliary bracket; 16. docking hole; 17. inner teeth; 18. outer teeth; 19. scale; 20. central rotating part; 21. extension part; 22. support column; 23. moving roller. DETAILED DESCRIPTION

[0020] The following is a description of the implementation of the present invention by specific embodiments. People familiar with the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , an embodiment of the present invention provides a shield machine tail shield deformation repair device, including a lifting drive assembly 1, a motor lifting platform 2, an angle adjustment motor 3, a docking sleeve 4, a rotating beam 5 and a repair instrument installation assembly 6; The motor lifting platform 2 is connected to the top of the lifting drive assembly 1, and the angle adjustment motor 3 is fixed to the central area of ​​the motor lifting platform 2; the driving shaft of the angle adjustment motor 3 is meshed with the docking sleeve 4; the rotating beam 5 is fixed to the top of the docking sleeve 4, and the rotating beam 5 is distributed with a plurality of slots 7; The repair instrument installation assembly 6 includes a repair instrument installation body 8, an ear seat 9 is provided at the upper end of the repair instrument installation body 8, and an avoidance strip hole 10 is formed inside the ear seat 9; the ear seat 9 is hinged with a clamping plate 11 through a pin shaft; Among them, the clamping plate 11 is clamped into the clamping slot 7 through the avoidance bar hole 10 to fix the repair instrument installation body 8 at the specified position of the rotating beam 5; the repair instrument installation body 8 is fixed with a specified repair instrument to detect and repair the deformation of the tail shield of the shield machine.

[0022] In this embodiment, the lifting drive assembly 1 includes a lifting fixed seat 12 and a lifting drive cylinder 13; the driving end of the lifting drive cylinder 13 is connected to the bottom of the motor lifting platform 2, and the tail end of the lifting drive cylinder 13 is connected to the lifting fixed seat 12; the lifting fixed seat 12 and the lifting drive cylinder 13 are each provided with four groups, and the four groups of lifting fixed seats 12 and lifting drive cylinders 13 are distributed in the four corner areas of the motor lifting platform 2; the bottoms of the four groups of lifting fixed seats 12 are commonly connected to a moving trolley 14; and one side of each lifting fixed seat 12 is connected to an auxiliary bracket 15.

[0023] Specifically, the lifting drive cylinder 13 is fixed on the moving trolley 14 through the lifting fixing seat 12, and the lifting drive assembly 1 is conveniently moved through the moving trolley 14. The lifting drive cylinder 13 can drive the upper motor lifting platform 2 to lift and lower, so that the motor lifting platform 2 drives the angle adjustment motor 3 to lift and lower. The lifting and lowering of the angle adjustment motor 3 can make the driving shaft of the angle adjustment motor 3 and the docking sleeve 4 engage or separate. When the driving shaft of the angle adjustment motor 3 and the docking sleeve 4 engage, the angle adjustment motor 3 drives the rotating beam 5 to rotate through the docking sleeve 4. Among them, the lifting drive cylinder 13 is provided with four groups, and the four groups of lifting drive cylinders 13 are lifted and lowered at the same time to ensure the stability of the lifting and lowering of the motor lifting platform 2. The auxiliary bracket 15 can provide auxiliary support for the lifting drive assembly 1.

[0024] In this embodiment, a docking hole 16 is formed at the center of the docking sleeve 4, and the inner wall of the docking hole 16 is provided with internal teeth 17; the end of the driving shaft of the angle adjustment motor 3 is provided with external teeth 18; the internal teeth 17 and the external teeth 18 are meshed; the outer wall of the docking sleeve 4 is provided with a scale 19, and the scale 19 is used to indicate the rotation angle of the rotating beam 5.

[0025] See also Figure 3 Specifically, an inner side of the docking sleeve 4 is designed with an inner tooth 17, and the docking sleeve 4 is meshed with the outer tooth 18 of the driving shaft of the angle adjustment motor 3 through the inner tooth 17, so that the angle adjustment motor 3 drives the rotating beam 5 to rotate 360°. At the same time, the scale 19 on the outer wall of the docking sleeve 4 can clearly observe the rotation angle of the rotating beam 5, so as to record the repair point.

[0026] Among them, the angle adjustment motor 3 drives the rotating beam 5 to rotate through the motor drive shaft to achieve 360-degree repair, and the positioning is accurate and controllable; the bottom lifting drive component 1 drives the motor lifting platform 2 to move up and down to achieve gapless height adjustment; through the fine-tuning of the mobile trolley 14, the center of the shield body can be aligned, saving time and effort.

[0027] In this embodiment, the rotating beam 5 includes a central rotating part 20 and an extending part 21. The top end of the docking sleeve 4 is connected to the central rotating part 20, the extending part 21 is connected to one side of the central rotating part 20, and the lower end of the extending part 21 is connected to a support column 22; the slots 7 are distributed along both sides of the extending part 21; the extending part 21 is provided with four groups, and the four groups of extending parts 21 are cross-shaped and connected to the outside of the central rotating part 20.

[0028] Specifically, the extension part 21 of the rotating beam 5 is designed with a plurality of slots 7, which can locate the repair instrument installation assembly 6. The end of the extension part 21 is designed with a flange, which can be extended at both ends at the same time, so that different repair work on the extension part 21 can be carried out at the same time, and the work efficiency is high. The rotating beam 5 has a reliable structure and can adapt to tail shields of different diameters. If the diameter is large, a simple support column 22 can be set up under the beam to ensure the reliability of the overall structure.

[0029] In this embodiment, four groups of ear seats 9 are provided at the upper end of the repair instrument installation body 8, and the four groups of ear seats 9 are symmetrically distributed on both sides of the repair instrument installation body 8; each group of ear seats 9 is connected to a clamping plate 11 through a pin shaft; a movable roller 23 is connected to the bottom of the repair instrument installation body 8, and the designated repair instrument fixed at the upper end of the repair instrument installation body 8 includes at least one of a repair cylinder, a jack or a laser rangefinder.

[0030] See also Figure 4 and Figure 5 Specifically, the repair instrument installation body 8 is connected to four groups of card plates 11 through four groups of ear seats 9 and four groups of pins. The card plates 11 can rotate relative to the hinge shaft and then can be inserted into the card slots 7 to achieve the installation of the specified repair instrument. For example, repair or detection equipment such as oil cylinders, jacks or laser rangefinders can be installed. At the same time, a moving roller 23 is designed at the bottom of the repair instrument installation body 8. When adjusting the position of the specified repair instrument, the card block is rotated and the repair instrument installation body 8 is directly pushed to achieve position adjustment, which is convenient and quick.

[0031] In summary, the present invention is provided with a lifting drive assembly 1, a motor lifting platform 2, an angle adjustment motor 3, a docking sleeve 4, a rotating beam 5 and a repair instrument installation assembly 6; the motor lifting platform 2 is connected to the top of the lifting drive assembly 1, and the angle adjustment motor 3 is fixed in the central area of ​​the motor lifting platform 2; the driving shaft of the angle adjustment motor 3 is meshed with the docking sleeve 4; the rotating beam 5 is fixed to the top of the docking sleeve 4, and the rotating beam 5 is distributed with a plurality of card slots 7; the repair instrument installation assembly 6 includes a repair instrument installation body 8, and the upper end of the repair instrument installation body 8 is provided with an ear seat 9, and the inside of the ear seat 9 is formed with an avoidance bar hole 10; the ear seat 9 is hinged with a card plate 11 through a pin shaft; the card plate 11 is inserted into the card slot 7 through the avoidance bar hole 10 to fix the repair instrument installation body 8 at the specified position of the rotating beam 5; the repair instrument installation body 8 is fixed with a specified repair instrument to detect and repair the deformation of the tail shield of the shield machine. The lifting drive cylinder 13 is fixed on the moving trolley 14 through the lifting fixed seat 12, and the lifting drive assembly 1 is conveniently moved by the moving trolley 14. The upper motor lifting platform 2 can be driven to lift by the lifting drive cylinder 13, so that the motor lifting platform 2 drives the angle adjustment motor 3 to lift. The lifting of the angle adjustment motor 3 can make the drive shaft of the angle adjustment motor 3 and the docking sleeve 4 engage or separate. When the drive shaft of the angle adjustment motor 3 and the docking sleeve 4 engage, the angle adjustment motor 3 drives the rotating beam 5 to rotate through the docking sleeve 4. Among them, the lifting drive cylinder 13 is provided with four groups, and the four groups of lifting drive cylinders 13 are lifted and lowered at the same time to ensure the stability of the lifting of the motor lifting platform 2. The auxiliary bracket 15 can provide auxiliary support for the lifting drive assembly 1. The inner side of the docking sleeve 4 is designed with internal teeth 17, and the docking sleeve 4 is engaged with the external teeth 18 of the drive shaft of the angle adjustment motor 3 through the internal teeth 17, so that the rotating beam 5 is driven by the angle adjustment motor 3 to rotate 360°. At the same time, the scale 19 on the outer wall of the docking sleeve 4 can clearly observe the rotation angle of the rotating beam 5, so as to record the repair point. The angle adjustment motor 3 drives the rotating beam 5 to rotate through the motor drive shaft to achieve 360-degree repair, with accurate and controllable positioning; the bottom lifting drive component 1 drives the motor lifting platform 2 to move up and down to achieve gapless height adjustment; through the fine adjustment of the moving trolley 14, the center of the shield body can be aligned, saving time and effort. The extension part 21 of the rotating beam 5 is designed with a number of slots 7, which can position the repair instrument installation component 6. The end of the extension part 21 is designed with a flange, which can be extended at both ends at the same time, so that different repair work on the extension part 21 can be carried out at the same time, and the work efficiency is high. The rotating beam 5 has a reliable structure and can adapt to tail shields of different diameters. If the diameter is large, a simple support column 22 can be set up under the beam to ensure the reliability of the overall structure. The repair instrument installation body 8 is connected to four groups of card plates 11 through four groups of ear seats 9 and four groups of pins. The card plates 11 can rotate relative to the hinge shaft, and then can be inserted into the card slots 7 to achieve the installation of the specified repair instrument.For example, a repair or detection device such as a repair cylinder, a jack or a laser rangefinder can be installed. At the same time, a movable roller 23 is designed at the bottom of the repair instrument installation body 8. When adjusting the position of the designated repair instrument, the block is rotated and the repair instrument installation body 8 is directly pushed to achieve position adjustment, which is convenient and quick. When repairing a deformed old tail shield, the present invention can detect the deformation position angle of the tail shield with high precision through one-time positioning; tail shields of different diameters can be repaired by rotating the beam 5; a cylinder or a jack or a rangefinder is installed on the rotating beam 5 for repair and measurement without repeated positioning; the present invention can achieve 360-degree rotation and arbitrary adjustment of the height direction, with a wider range of applications and low dependence on personnel.

[0032] Although the present invention has been described in detail above by general description and specific embodiments, it is obvious to those skilled in the art that some modifications or improvements can be made to the present invention. Therefore, these modifications or improvements made without departing from the spirit of the present invention all belong to the scope of protection claimed by the present invention.

Claims

1. A shield machine tail shield deformation repair device, characterized in that: It comprises a lifting drive assembly (1), a motor lifting platform (2), an angle adjustment motor (3), a docking sleeve (4), a rotating beam (5) and a repair instrument installation assembly (6); The motor lifting platform (2) is connected to the top of the lifting drive assembly (1); the angle adjustment motor (3) is fixed to the central area of ​​the motor lifting platform (2); the drive shaft of the angle adjustment motor (3) is meshed with the docking sleeve (4); the rotating beam (5) is fixed to the top of the docking sleeve (4); and the rotating beam (5) is provided with a plurality of slots (7); The repair instrument installation assembly (6) comprises a repair instrument installation body (8), an ear seat (9) is provided at the upper end of the repair instrument installation body (8), an avoidance strip hole (10) is formed inside the ear seat (9); the ear seat (9) is hinged with a clamping plate (11) via a pin shaft; The clamping plate (11) is clamped into the clamping slot (7) through the avoidance strip hole (10) to fix the repair instrument installation body (8) at a specified position of the rotating beam (5); the repair instrument installation body (8) is fixed with a specified repair instrument to detect and repair deformation of the tail shield of the shield machine.

2. The shield machine tail shield deformation repair device according to claim 1 is characterized in that: The lifting drive assembly (1) comprises a lifting fixed seat (12) and a lifting drive cylinder (13); the driving end of the lifting drive cylinder (13) is connected to the bottom of the motor lifting platform (2), and the tail end of the lifting drive cylinder (13) is connected to the lifting fixed seat (12).

3. The shield machine tail shield deformation repair device according to claim 2 is characterized in that: The lifting fixing seat (12) and the lifting driving cylinder (13) are each provided with four groups, and the four groups of the lifting fixing seat (12) and the lifting driving cylinder (13) are distributed in the four corner areas of the motor lifting platform (2).

4. The shield machine tail shield deformation repair device according to claim 3 is characterized in that: The bottoms of the four groups of lifting and fixing seats (12) are commonly connected to a moving trolley (14); one side of each lifting and fixing seat (12) is connected to an auxiliary bracket (15).

5. The shield machine tail shield deformation repair device according to claim 1, characterized in that: A docking hole (16) is formed at the center of the docking sleeve (4), and an inner wall of the docking hole (16) is provided with internal teeth (17); an end of the drive shaft of the angle adjustment motor (3) is provided with external teeth (18); and the internal teeth (17) and the external teeth (18) are meshed.

6. The shield machine tail shield deformation repair device according to claim 5, characterized in that: The outer wall of the docking sleeve (4) is provided with a scale (19), and the scale (19) is used to indicate the rotation angle of the rotating beam (5).

7. The shield machine tail shield deformation repair device according to claim 1, characterized in that: The rotating beam (5) comprises a central rotating part (20) and an extension part (21); the top end of the docking sleeve (4) is connected to the central rotating part (20); the extension part (21) is connected to one side of the central rotating part (20); and the lower end of the extension part (21) is connected to a support column (22); and the clamping grooves (7) are distributed along both sides of the extension part (21).

8. The shield machine tail shield deformation repair device according to claim 7, characterized in that: The extending parts (21) are provided with four groups, and the four groups of the extending parts (21) are connected to the outside of the central rotating part (20) in a cross shape.

9. The shield machine tail shield deformation repair device according to claim 8, characterized in that: Four groups of ear seats (9) are provided at the upper end of the repair instrument installation body (8), and the four groups of ear seats (9) are symmetrically distributed on both sides of the repair instrument installation body (8); each group of ear seats (9) is connected to a clamping plate (11) via a pin shaft.

10. The shield machine tail shield deformation repair device according to claim 8, characterized in that: The bottom of the repair instrument installation body (8) is connected to a movable roller (23), and the designated repair instrument fixed to the upper end of the repair instrument installation body (8) includes at least one of a repair cylinder, a jack or a laser rangefinder.

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