CN213807678U

CN213807678U - Shield constructs machine and digs stabilising arrangement

Info

Publication number: CN213807678U
Application number: CN202023017485.5U
Authority: CN
Inventors: 孙志强; 杨成玉; 胡芬; 杨志强; 郭光彩
Original assignee: Hubei Jinhuangtong Tunnel Equipment Manufacturing Co ltd
Current assignee: Hubei Jinhuangtong Tunnel Equipment Manufacturing Co ltd
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2021-07-27
Anticipated expiration: 2030-12-15

Abstract

The utility model discloses a shield constructs quick-witted tunnelling stabilising arrangement, including shield structure quick-witted body, lug and baffle, the outside of shield structure quick-witted body is to having stable steel bushing, the butt joint groove has been seted up at the outside middle part of stable steel bushing, the through-hole has been seted up at the inboard middle part in butt joint groove, hydraulic jack is installed to the one end of shield structure machine body, hydraulic jack keeps away from the one end of shield structure machine body and is connected with the blade disc, the one end of stable steel bushing is connected with steel bushing top and pushes away the seat, the one end that the shield structure machine body is close to and keeps away from the blade disc is connected with the shield structure quick-witted footstock. This stabilising arrangement is excavated to shield constructs machine promotes through steel bushing top thrust bearing and stabilizes the steel bushing and impels earth preliminary treatment forward, carries out the top through the shield constructs quick-witted footstock to the shield and constructs the quick-witted body and advance and make the blade disc start and tunnel, and the tunnelling in-process is because the length of stabilizing the steel bushing is far greater than the length of spout, makes to stabilize the steel bushing and seals the spout all the time to prevent to tunnel in-process earth and get into the inside of spout.

Description

Shield constructs machine and digs stabilising arrangement

Technical Field

The utility model relates to a shield constructs quick-witted technical field, specifically is a shield constructs quick-witted tunnelling stabilising arrangement.

Background

With the increase of population and the advance of urbanization, a large number of civil engineering is being built, the ground space is more and more narrow, the problems of residence, traffic, environment and the like are increasingly prominent, the construction of various types of underground buildings, subways, underwater tunnels and other engineering can well solve the problems, the shield machine has the functions of excavating and cutting soil, conveying soil slag, assembling tunnel linings, measuring, guiding, correcting errors and the like, and the shield machine is required to be designed independently according to different geology, so the reliability and the efficiency of the shield machine are extremely high, the precision and the efficiency of the shield machine are continuously improved after years of development, and the shield machine is widely used for tunnel engineering of subways, railways, highways, municipal administration, hydropower and the like.

Although the types and the number of the shield tunneling machine tunneling stabilizing devices in the current market are very large, the shield tunneling machine tunneling stabilizing device has the following defects: the gap between the shield tunneling stabilizing device and the shield tunneling machine body is easy to enter silt, and the stable steel sleeve of the shield tunneling stabilizing device is inconvenient to hoist due to overweight and inconvenient to mount and dismount. Therefore, the existing shield tunneling machine excavation stabilizing device needs to be improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shield constructs quick-witted tunnelling stabilising arrangement to solve the gap that shield constructs quick-witted tunnelling stabilising arrangement and shield on the existing market that the above-mentioned background art provided and construct and get into silt easily, the shield constructs the stable steel bushing overweight handling inconvenient and the shield constructs the installation of the stable steel bushing on the quick-witted tunnelling stabilising arrangement of tunneling stabilising arrangement and dismantles inconvenient problem.

In order to achieve the above object, the utility model provides a following technical scheme: a shield tunneling machine tunneling stabilizing device comprises a shield tunneling machine body, a convex block and a baffle, wherein a stabilizing steel sleeve is butted on the outer side of the shield tunneling machine body, a butting groove is formed in the middle of the outer side of the stabilizing steel sleeve, a through hole is formed in the middle of the inner side of the butting groove, sliding sleeves are arranged on two sides of the outer portion of the butting groove, the convex block is connected with the through hole, a sliding groove is formed in the middle of the outer side of the shield tunneling machine body, and fixing bolts are butted at two ends of the sliding sleeves;

the shield constructs the one end of quick-witted body and installs hydraulic jack, hydraulic jack keeps away from the one end that the shield constructs the quick-witted body and is connected with the blade disc, the one end of stabilizing the steel bushing is connected with steel bushing top and pushes away the seat, the shield constructs the quick-witted body and is connected with the shield and constructs quick-witted footstock near the one end of keeping away from the blade disc, the outside one side of being close to butt joint groove of shield structure machine body has seted up the mounting groove, the inside joint axle that hangs that is fixed with of mounting groove, one side edge of mounting groove is provided with the pivot, the baffle is connected with the mounting groove through pivot and mounting groove, the spread groove has been seted up to the inside of baffle, the internally mounted of spread groove has the spring, the one end of spring is connected with the fixture block, the draw-in groove has been seted up at the middle part of one side that the pivot was kept away from to the mounting groove.

Preferably, the through holes are distributed at equal included angles relative to the stable steel sleeve, and the diameter of each through hole is matched with that of each bump.

Preferably, the cross-sectional shape of the sliding sleeve is semicircular, and the sliding sleeve is symmetrically distributed about the central line of the stable steel sleeve.

Preferably, the top shape of the bump is hemispherical, the bump is distributed at equal included angles relative to the sliding sleeve, and the diameter of the bump is matched with that of the through hole.

Preferably, the length of the sliding groove is smaller than that of the stable steel sleeve, and the sliding groove is in sliding connection with the protruding block.

Preferably, the axis of the clamping block coincides with the axis of the clamping groove, the minimum diameter of the clamping block is matched with the diameter of the clamping groove, and the clamping block passes through the clamping groove and forms a clamping structure with the mounting groove.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the shield machine tunneling stabilizing device pushes the stabilizing steel sleeve to advance soil for pretreatment through the steel sleeve pushing seat, then pushes the shield machine body to start the cutter head for tunneling through the shield machine pushing seat, and ensures that the stabilizing steel sleeve always seals the sliding chute in the tunneling process because the length of the stabilizing steel sleeve is far greater than that of the sliding chute, thereby preventing soil from entering the inside of the sliding chute in the tunneling process;

(2) the shield tunneling machine tunneling stabilizing device enables the clamping block to be separated from the clamping groove by extruding the spring to deform through the clamping block, enables the baffle to rotate to open through the rotating shaft at the moment, enables the lifting rope to be in butt joint with the hanging connecting shaft fixed on the steel sleeve, enables the stable steel sleeve to be in butt joint with the shield tunneling machine body through the lifting rope in a hanging mode, and accordingly achieves the purpose that the stable steel sleeve is convenient to hang and move;

(3) this shield constructs quick-witted stabilising arrangement that digs slides through stabilizing steel bushing and shield structure machine body and makes butt joint groove and spout slide to same position, thereby makes two sliding sleeves dock with the stable steel bushing through lug and through-hole, fixes the sliding sleeve on stabilizing the steel bushing through fixing bolt after that to reach the purpose of dismantling the quick installation of stable steel bushing.

Drawings

Fig. 1 is a schematic view of the structure of the shield tunneling machine excavation stabilizing device of the present invention;

fig. 2 is a schematic view of a front cross-sectional structure of the tunneling stabilizing device of the shield tunneling machine of the present invention;

fig. 3 is a schematic view of the top view structure of the shield tunneling machine tunneling stabilizing device of the present invention;

fig. 4 is a schematic view of the top cross-sectional structure of the tunneling stabilizing device of the shield tunneling machine of the present invention;

fig. 5 is a schematic view of a partially enlarged structure at a position a in fig. 1 of the tunneling stabilizing device of the shield tunneling machine of the present invention;

fig. 6 is a schematic diagram of a local enlarged structure at B in fig. 4 of the shield tunneling stabilizing device of the utility model.

In the figure: 1. a shield tunneling machine body; 2. stabilizing the steel sleeve; 3. a butt joint groove; 4. a through hole; 5. a sliding sleeve; 6. a bump; 7. a chute; 8. fixing the bolt; 9. a hydraulic jack; 10. a cutter head; 11. a steel sleeve pushing seat; 12. a shield machine footstock; 13. grooving; 14. hanging the connecting shaft; 15. a rotating shaft; 16. a baffle plate; 17. connecting grooves; 18. a spring; 19. a clamping block; 20. a clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a shield tunneling machine tunneling stabilizing device comprises a shield tunneling machine body 1, a stabilizing steel sleeve 2, a butt-joint groove 3, a through hole 4, a sliding sleeve 5, a lug 6, a sliding groove 7, a fixing bolt 8, a hydraulic jack 9, a cutter head 10, a steel sleeve push seat 11, a shield tunneling machine top seat 12, a mounting groove 13, a hanging shaft 14, a rotating shaft 15, a baffle 16, a connecting groove 17, a spring 18, a clamping block 19 and a clamping groove 20, wherein the stabilizing steel sleeve 2 is butt-jointed to the outer side of the shield tunneling machine body 1, the butt-joint groove 3 is formed in the middle of the outer side of the stabilizing steel sleeve 2, the through hole 4 is formed in the middle of the inner side of the butt-joint groove 3, the through hole 4 is distributed at equal included angles relative to the stabilizing steel sleeve 2, the diameter of the through hole 4 is matched with the diameter of the lug 6, so that the sliding sleeve 5 is conveniently mounted on the stabilizing steel sleeve 2, sliding sleeves 5 are arranged on two outer sides of the butt-joint groove 3, and the cross section of the sliding sleeve 5 is semicircular, the sliding sleeve 5 is symmetrically distributed about the central line of the stable steel sleeve 2, the width of the sliding sleeve 5 is matched with that of the butt-joint groove 3, so that the stable steel sleeve 2 is stably installed on the shield tunneling machine body 1 through the sliding sleeve 5, the bump 6 is connected with the through hole 4, the top of the bump 6 is hemispherical, the bump 6 is distributed at equal included angles about the sliding sleeve 5, resistance when the shield tunneling machine body 1 and the stable steel sleeve 2 slide is reduced, sliding between the shield tunneling machine body 1 and the stable steel sleeve 2 is facilitated, the middle of the outer side of the shield tunneling machine body 1 is provided with a sliding groove 7, the length of the sliding groove 7 is smaller than that of the stable steel sleeve 2, sliding connection is formed between the sliding groove 7 and the bump 6, so that soil is prevented from entering the inside of the sliding groove 7 in the tunneling process, and two ends of the sliding sleeve 5 are in butt-joint with fixing bolts 8;

the shield machine is characterized in that a hydraulic jack 9 is installed at one end of a shield machine body 1, one end, far away from the shield machine body 1, of the hydraulic jack 9 is connected with a cutter head 10, one end, far away from the shield machine body 1, of the hydraulic jack 9 is connected with a steel sleeve ejection seat 11, one end, near the cutter head 10, of the shield machine body 1 is connected with a shield machine ejection seat 12, one side, near a butt joint groove 3, of the outer portion of the shield machine body 1 is provided with a mounting groove 13, a hanging joint shaft 14 is fixed inside the mounting groove 13, one side edge of the mounting groove 13 is provided with a rotating shaft 15, a baffle 16 is connected with the mounting groove 13 through the rotating shaft 15, a connecting groove 17 is formed inside the baffle 16, a spring 18 is installed inside the connecting groove 17, one end of the spring 18 is connected with a clamping block 19, the axial lead of the clamping block 19 coincides with the axial lead of the clamping groove 20, and the minimum diameter of the clamping block 19 is matched with the diameter of the clamping groove 20, and the clamping block 19 forms a clamping structure with the mounting groove 13 through the clamping groove 20, so that the baffle 16 is conveniently fixed or opened, and the clamping groove 20 is formed in the middle of one side of the mounting groove 13, which is far away from the rotating shaft 15.

The working principle is as follows: when the shield tunneling machine is used for tunneling a stabilizing device, firstly, the part of the fixture block 19 extending out of the connecting groove 17 is pressed, so that the fixture block 19 slides along the inner wall of the connecting groove 17, the fixture block 19 extrudes the spring 18 to deform, at the moment, the fixture block 19 is separated from the clamping groove 20 to release the fixation of the baffle 16, the baffle 16 is opened through the rotation of the rotating shaft 15, the lifting rope is butted with the lifting connecting shaft 14 in the mounting groove 13, the four lifting connecting shafts 14 on the stabilizing steel sleeve 2 are butted with the lifting rope, so that the stabilizing steel sleeve 2 is lifted and butted with the shield tunneling machine body 1, the stabilizing steel sleeve 2 slides with the shield tunneling machine body 1, when the butting groove 3 on the stabilizing steel sleeve 2 slides to the same position with the sliding groove 7 on the shield tunneling machine body 1, the sliding sleeve 5 is butted with the butting groove 3 on the stabilizing steel sleeve 2 through the bump 6 and the through hole 4, and then the two sliding sleeves 5 are fixed through the fixing bolt 8, therefore, the two sliding sleeves 5 are fixedly installed on the stable steel sleeve 2, when the shield machine is started, the stable steel sleeve 2 is pushed forwards by the steel sleeve pushing seat 11 to pre-treat a place to be excavated by the shield machine, then the shield machine body 1 is pushed in by the shield machine pushing seat 12, in the process, the stable steel sleeve 2 at the position of the shield machine body 1 slides in the sliding groove 7 through the bump 6, the stable steel sleeve 2 always keeps sealing the sliding groove 7 to prevent soil from entering the sliding groove 7 in the excavation process, then the shield machine body 1 is pushed in the cutter head 10 through the hydraulic jack 9, and the underground excavation operation is carried out through the cutter head 10, and the content which is not described in detail in the description belongs to the prior art known by professional technicians in the field.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a shield constructs quick-witted stabilising arrangement that digs, includes shield and constructs quick-witted body (1), lug (6) and baffle (16), its characterized in that: the outer side of the shield machine body (1) is in butt joint with a stable steel sleeve (2), the middle of the outer side of the stable steel sleeve (2) is provided with a butt joint groove (3), the middle of the inner side of the butt joint groove (3) is provided with a through hole (4), two sides of the outer part of the butt joint groove (3) are provided with sliding sleeves (5), a bump (6) is connected with the through hole (4), the middle of the outer side of the shield machine body (1) is provided with a sliding groove (7), and two ends of each sliding sleeve (5) are in butt joint with a fixing bolt (8);

the shield machine is characterized in that a hydraulic jack (9) is installed at one end of a shield machine body (1), one end, far away from the shield machine body (1), of the hydraulic jack (9) is connected with a cutter head (10), one end, far away from the shield machine body (1), of the steel sleeve (2) is connected with a steel sleeve jacking seat (11), one end, close to the cutter head (10), of the shield machine body (1) is connected with a shield machine jacking seat (12), a mounting groove (13) is formed in one side, close to a butt joint groove (3), of the outer portion of the shield machine body (1), a hanging shaft (14) is fixed inside the mounting groove (13), a rotating shaft (15) is arranged at one side edge of the mounting groove (13), a baffle (16) is connected with the mounting groove (13) through the rotating shaft (15), a connecting groove (17) is formed in the inner portion of the baffle (16), a spring (18) is installed inside the connecting groove (17), and one end of the spring (18) is connected with a clamping block (19), and a clamping groove (20) is formed in the middle of one side of the mounting groove (13) far away from the rotating shaft (15).

2. The shield tunneling machine tunneling stabilizing device according to claim 1, characterized in that: the through holes (4) are distributed at equal included angles relative to the stable steel sleeve (2), and the diameters of the through holes (4) are matched with the diameters of the lugs (6).

3. The shield tunneling machine tunneling stabilizing device according to claim 1, characterized in that: the cross-sectional shape of sliding sleeve (5) is semicircle ring-type, and sliding sleeve (5) are the symmetric distribution about the central line of stabilizing steel bushing (2) to the width of sliding sleeve (5) and the width phase-match of butt joint groove (3).

4. The shield tunneling machine tunneling stabilizing device according to claim 1, characterized in that: the top of the lug (6) is hemispherical, and the lug (6) is distributed at equal included angles relative to the sliding sleeve (5).

5. The shield tunneling machine tunneling stabilizing device according to claim 1, characterized in that: the length of the sliding groove (7) is smaller than that of the stable steel sleeve (2), and the sliding groove (7) is in sliding connection with the bump (6).

6. The shield tunneling machine tunneling stabilizing device according to claim 1, characterized in that: the axial lead of the clamping block (19) is superposed with the axial lead of the connecting groove (17), the minimum diameter of the clamping block (19) is matched with the diameter of the clamping groove (20), and the clamping block (19) forms a clamping structure with the clamping groove (20) through the spring (18).