CN219638825U

CN219638825U - Dismounting assembly of shield machine rotation center

Info

Publication number: CN219638825U
Application number: CN202320620780.4U
Authority: CN
Inventors: 袁晓亮; 胡琏; 高秉功
Original assignee: Wuxi Zhongtie Urban Rail Equipment Co ltd
Current assignee: Wuxi Zhongtie Urban Rail Equipment Co ltd
Priority date: 2023-03-24
Filing date: 2023-03-24
Publication date: 2023-09-05
Anticipated expiration: 2033-03-24

Abstract

The utility model discloses a disassembly and assembly component of a shield machine rotation center, which comprises a cutter head, wherein one end of the cutter head is fixedly provided with a connecting disc, the outer thread of the connecting disc is connected with a fastening thread bush, one end of the connecting disc is clamped with a rotation shaft, the outer part of the rotation shaft is fixedly sleeved with a chuck, the surface of the chuck is provided with a clamping groove, and both ends of the surface of the chuck are provided with perforations. The positioning hole, the positioning shaft, the fastening thread sleeve, the clamping assembly and the sealing assembly are arranged, so that the rotary shaft can be quickly disassembled and assembled, the rotary shaft can be matched with the fastening thread sleeve for use, the overall connection stability is further improved, the detachable sealing ring is convenient to replace in time, the purpose of quick disassembly and assembly can be achieved through the use of the threads and the clamping structure, the complexity of disassembly and assembly work is simplified, and the work efficiency is improved.

Description

Dismounting assembly of shield machine rotation center

Technical Field

The utility model relates to the technical field of shield machines, in particular to a disassembly and assembly component of a shield machine rotation center.

Background

The shield machine is also called a shield tunneling machine, and is a special engineering machine for tunneling, and has the functions of excavating and cutting soil body, conveying soil slag, assembling tunnel lining, measuring, guiding and correcting deviation and the like.

The rotary center is an important component part of the shield machine, is positioned at the center of a soil bin partition plate and a main drive of the shield machine, is the only channel for connecting improved fluid from the inside of the shield machine to the outside of a cutter head, and is inconvenient to use because the sealing ring inside the shield machine is worn and reduced in tightness due to overlarge soil bin pressure in the use process, so that slag soil or underground water is easy to enter the inside of the shield machine, and the rotary shaft needs to be detached once the sealing ring is damaged and then needs to be replaced in time.

Therefore, it is necessary to invent a dismounting assembly of the shield machine rotation center to solve the above-mentioned problems.

Disclosure of Invention

The utility model aims to provide a disassembly and assembly of a rotation center of a shield machine, wherein the rotation center is an important component part of the shield machine, is positioned at the center of a soil bin partition plate and a main drive of the shield machine, and is the only passage for connecting improved fluid from the inside of the shield machine to the outside of a cutter head.

In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a dismouting subassembly of shield constructs quick-witted center of revolution, includes the blade disc, the fixed connection pad that is provided with of one end of blade disc, the outside threaded connection of connection pad has the fastening thread bush, the one end joint of connection pad has the gyration axle, the chuck has been cup jointed to the outside fixed of gyration axle, and the draw-in groove has been seted up on the surface of chuck to the perforation has all been seted up at the surface both ends of chuck, the outside fixed baffle that is provided with of gyration axle, movable groove, guide way and seal groove have been seted up respectively to the surface of baffle, the outside activity of gyration axle has cup jointed the sealing washer, and the outside fixed sealing cardboard that is provided with of sealing washer, the outside of sealing cardboard is fixed respectively to be provided with direction ball and sealing axle.

Preferably, the surface of the connecting disc is provided with a plurality of positioning holes, one end of the rotating shaft is externally and fixedly provided with a plurality of positioning shafts, and the positioning shafts are matched with the positioning holes.

Preferably, external threads are fixedly arranged on one side of the outer parts of the connecting disc and the rotating shaft respectively, internal threads are arranged in the fastening thread sleeve, and the fastening thread sleeve, the connecting disc and the rotating shaft are connected in a threaded mode.

Preferably, the outside one end of fastening thread bush is fixed and is provided with sealed card strip, and sealed card strip's surface both ends have all been seted up the screw, sealed card strip and draw-in groove phase-match.

Preferably, the movable groove, the guide groove and the sealing groove form a clamping assembly together, the number of the clamping assemblies is four, and the four clamping assemblies are distributed in an annular array with respect to the partition plate.

Preferably, the sealing clamping plates, the guide balls and the sealing shafts form sealing assemblies together, the number of the sealing assemblies is four, and the four sealing assemblies are distributed in an annular array relative to the sealing rings.

In the technical scheme, the utility model has the technical effects and advantages that:

1. through the setting of locating hole, locating shaft and fastening thread bush to be convenient for carry out quick installation and dismantlement to the revolving axle through the connection of locating hole with the locating shaft, and through the cooperation use of fastening thread bush, thereby be convenient for further improve holistic steadiness, through the cooperation use of this kind of screw thread and block structure, thereby simplified the loaded down with trivial details of dismouting work, saved labour cost, accelerated work progress, it is convenient high-efficient;

2. through joint subassembly and seal assembly's setting, be convenient for dismantle the sealing washer with the installation, through dismantled and assembled sealing washer, be convenient for timely change and maintenance to through the use of block structure, can play quick assembly disassembly's effect.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is an overall perspective view of the present utility model;

FIG. 2 is an overall exploded perspective view of the present utility model;

FIG. 3 is a perspective view of a cutterhead, connecting disc and fastening thread bush of the present utility model;

FIG. 4 is a perspective view of the spindle, spacer and chuck of the present utility model;

FIG. 5 is a perspective view of a separator of the present utility model;

FIG. 6 is a perspective view of a seal ring of the present utility model;

FIG. 7 is a schematic diagram of a side view of the connection of the separator and the seal ring according to the present utility model;

fig. 8 is a schematic diagram of the front view of the connection of the cutterhead and the rotary shaft.

Reference numerals illustrate:

1. a cutterhead; 2. a connecting disc; 3. positioning holes; 4. fastening a threaded sleeve; 5. sealing clamping strips; 6. a screw hole; 7. a rotating shaft; 8. positioning a shaft; 9. a chuck; 10. perforating; 11. a clamping groove; 12. a partition plate; 13. a movable groove; 14. a guide groove; 15. sealing grooves; 16. a seal ring; 17. a sealing clamping plate; 18. a guide ball; 19. sealing the shaft.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

The utility model provides a disassembly and assembly of a shield machine rotation center shown in fig. 1-8, which comprises a cutter head 1, wherein one end of the cutter head 1 is fixedly provided with a connecting disc 2, the outside of the connecting disc 2 is connected with a fastening thread sleeve 4, one end of the connecting disc 2 is clamped with a rotation shaft 7, the outside of the rotation shaft 7 is fixedly sleeved with a chuck 9, the surface of the chuck 9 is provided with a clamping groove 11, both ends of the surface of the chuck 9 are provided with perforations 10, the outside of the rotation shaft 7 is fixedly provided with a baffle 12, the surface of the baffle 12 is respectively provided with a movable groove 13, a guide groove 14 and a sealing groove 15, the outside of the rotation shaft 7 is movably sleeved with a sealing ring 16, the outside of the sealing ring 16 is fixedly provided with a sealing clamping plate 17, and the outside of the sealing clamping plate 17 is respectively fixedly provided with a guide ball 18 and a sealing shaft 19.

Further, in the above technical scheme, a plurality of locating holes 3 have been seted up on the surface of connection pad 2, the one end external fixation of revolving axle 7 is provided with a plurality of locating shafts 8, and is a plurality of locating shaft 8 with a plurality of locating hole 3 assorted is connected through the block of locating shaft 8 with locating hole 3 to be convenient for make revolving axle 7 and connection pad 2 preliminary be connected, revolving axle 7 can install with blade disc 1 of being convenient for, quick connect.

Further, in the above technical scheme, the outside one side of connection pad 2 and swivel shaft 7 is fixed respectively and is provided with the external screw thread, the inside of fastening thread bush 4 is provided with the internal screw thread, the connected mode of fastening thread bush 4, connection pad 2 and swivel shaft 7 is threaded connection, through threaded connection's setting to be convenient for swivel shaft 7 and connection pad 2 junction carries out further fixedly, is convenient for improve the steadiness that swivel shaft 7 and connection pad 2 are connected.

Further, in the above technical scheme, the outside one end of fastening thread bush 4 is fixed and is provided with sealed card strip 5, and the screw 6 has all been seted up at sealed card strip 5's surface both ends, sealed card strip 5 and draw-in groove 11 assorted is connected through sealed card strip 5 and draw-in groove 11's block to be convenient for be connected chuck 9 and fastening thread bush 4, thereby be convenient for further fixed chuck 9 and fastening thread bush 4.

Further, in the above technical scheme, joint subassembly is constituteed jointly to movable groove 13, guide way 14 and seal groove 15, the quantity of joint subassembly sets up to four groups, four groups joint subassembly is distributed about baffle 12 annular array, seal cardboard 17, direction ball 18 and sealed axle 19 are constituteed jointly and are sealed subassembly, seal subassembly's quantity sets up to four groups, four groups seal subassembly is distributed about sealing washer 16 annular array, four groups seal subassembly and four groups joint subassembly's one-to-one to be convenient for install and dismantle sealing washer 16, be favorable to realizing quick assembly disassembly's purpose, facilitate the use.

The working principle of the utility model is as follows:

referring to fig. 1-4 and 8 of the specification, in the process of installation, firstly, one end of a rotating shaft 7 is connected with a connecting disc 2, a positioning shaft 8 at one end of the rotating shaft 7 is clamped into a positioning hole 3, so that the rotating shaft 7 and the connecting disc 2 are connected preliminarily, the rotating shaft 7 is installed at one end of a cutterhead 1, then a fastening thread sleeve 4 is screwed until the fastening thread sleeve 4 is connected with the connecting disc 2 and the rotating shaft 7 in a threaded manner, so that the connection position of the rotating shaft 7 and the connecting disc 2 is further fixed, the installation stability of the rotating shaft 7 is improved conveniently, meanwhile, after the fastening thread sleeve 4 is screwed, a sealing clamping strip 5 at one end is connected with a clamping groove 11 in a chuck 9, so that the chuck 9 and the fastening thread sleeve 4 are further positioned and fixed until the sealing clamping strip 5 is clamped in the clamping groove 11 completely, then the bolts penetrate through a through holes 10 to be fixed, the connection position of the sealing clamping strip 5 and the clamping groove 11 is further fixed, the whole is improved, the detachment stability is improved, and conversely, the fastening thread sleeve 4 is detached conveniently, the fastening shaft 4 is detached conveniently, and the detachment and the threads are separated conveniently, and the detachment is completed conveniently by using the thread sleeve 4 and the screwing 4;

referring to fig. 5-7 of the specification, when the seal ring 16 is assembled and disassembled, the seal ring 16 is sleeved on the rotating shaft 7, then the seal ring 16 is connected with the partition 12, in the connecting process, four groups of seal assemblies on the seal ring 16 are in one-to-one correspondence with four groups of clamping assemblies on the partition 12, so that the seal assemblies are connected with each other, when the seal clamping plate 17 on the seal assemblies is connected with the movable groove 13, the guide balls 18 of the side plates of the seal clamping plate are connected with the guide groove 14 on one side until the seal clamping plate 17 is completely moved into the movable groove 13, at the moment, the guide balls 18 at the front end are connected with the guide groove 14 on the other side, then the seal ring 16 is rotated to drive the guide balls 18 to move in the guide groove 14, and the seal ring 16 is moved into the seal groove 15 along the radian of the guide groove 14, so that the seal ring 16 is conveniently fixed on the rotating shaft 7, otherwise, when the seal ring 16 is required to be disassembled, the seal assemblies of the seal ring 16 are reversely rotated to be separated from the clamping assemblies, and the disassembly of the seal ring 16 is finished, so that the purpose of quick assembly and disassembly is facilitated.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims

1. The disassembly and assembly component of the shield machine rotation center comprises a cutter head (1), and is characterized in that: the novel cutter disc is characterized in that a connecting disc (2) is fixedly arranged at one end of the cutter disc (1), a fastening thread sleeve (4) is connected with external threads of the connecting disc (2), a rotary shaft (7) is clamped at one end of the connecting disc (2), a chuck (9) is fixedly sleeved at the outer part of the rotary shaft (7), a clamping groove (11) is formed in the surface of the chuck (9), perforation holes (10) are formed in two ends of the surface of the chuck (9), a partition plate (12) is fixedly arranged at the outer part of the rotary shaft (7), a movable groove (13), a guide groove (14) and a sealing groove (15) are respectively formed in the surface of the partition plate (12), a sealing ring (16) is movably sleeved at the outer part of the rotary shaft (7), a sealing clamping plate (17) is fixedly arranged at the outer part of the sealing clamping plate (17), and a guide ball (18) and a sealing shaft (19) are respectively and fixedly arranged at the outer part of the sealing clamping plate (17).

2. The assembly and disassembly assembly of a shield machine center of rotation of claim 1, wherein: a plurality of locating holes (3) are formed in the surface of the connecting disc (2), a plurality of locating shafts (8) are fixedly arranged outside one end of the rotary shaft (7), and the locating shafts (8) are matched with the locating holes (3).

3. The assembly and disassembly assembly of a shield machine center of rotation of claim 1, wherein: external threads are fixedly arranged on one side of the outer parts of the connecting disc (2) and the rotating shaft (7) respectively, internal threads are arranged in the fastening thread sleeve (4), and the connecting mode of the fastening thread sleeve (4), the connecting disc (2) and the rotating shaft (7) is threaded connection.

4. The assembly and disassembly assembly of a shield machine center of rotation of claim 1, wherein: the outside one end of fastening thread bush (4) is fixed and is provided with sealed card strip (5), and screw (6) have all been seted up at the surface both ends of sealed card strip (5), sealed card strip (5) and draw-in groove (11) assorted.

5. The assembly and disassembly assembly of a shield machine center of rotation of claim 1, wherein: the movable grooves (13), the guide grooves (14) and the sealing grooves (15) form clamping components together, the number of the clamping components is four, and the four groups of clamping components are distributed in an annular array relative to the partition plate (12).

6. The assembly and disassembly assembly of a shield machine center of rotation of claim 1, wherein: the sealing clamping plates (17), the guide balls (18) and the sealing shafts (19) form sealing assemblies together, the number of the sealing assemblies is four, and the four sealing assemblies are distributed in an annular array relative to the sealing rings (16).