CN214062970U

CN214062970U - Tunnel boring machine

Info

Publication number: CN214062970U
Application number: CN202023124376.3U
Authority: CN
Inventors: 刘江涛; 范喜德; 李存军; 朱海军; 白静; 丰土根; 张箭; 张坤勇
Original assignee: Hohai University HHU; China Railway Shanghai Investment Group Co Ltd
Current assignee: Hohai University HHU; China Railway Shanghai Investment Group Co Ltd
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2021-08-27
Anticipated expiration: 2030-12-21

Abstract

The utility model relates to a tunnel construction technical field just discloses a tunnel boring machine, including the shield structure machine, the left side of shield structure machine is provided with the blade disc, the mounting hole has been seted up to the inside of blade disc, the inner wall fixedly connected with mount pad of mounting hole, the spacing groove has been seted up in the left side of mount pad, the equal sliding connection of inner wall of the inner wall of spacing groove and mounting hole has the support column. The utility model discloses a set up the mount pad, the spacing groove, the support column, the hobbing cutter, the spacing frame of U-shaped and lock the mechanism, when installing the hobbing cutter, place the hobbing cutter in the mount pad, and make support column and spacing groove contact, then, insert the card post to the spacing frame of U-shaped, and make first bearing and support column contact, at this moment, can fix the hobbing cutter in the blade disc, when dismantling the hobbing cutter, press first slider, make card post and the spacing separation of U-shaped, then, will lock the mechanism and take out from the mount pad, at this moment, can dismantle the hobbing cutter from the blade disc.

Description

Tunnel boring machine

Technical Field

The utility model relates to a tunnel construction technical field especially relates to a tunnel boring machine.

Background

The shield machine is named as a shield tunneling machine or a full-section tunneling machine, and is a tunneling machine tool using a shield method. The shield construction method is that a heading machine lays supporting segments of a tunnel while heading. The machine has the characteristic of completing the tunnel by one-time excavation, and the excavation, the propulsion and the opening are all completed by the machine.

At present, when a tunnel is tunneled, the tunnel is mostly excavated, propelled and propped up through a shield machine, but when the tunnel is tunneled by using the shield machine, the tunnel is inconvenient to disassemble and assemble due to a hob on a cutter head, so that maintenance personnel can replace the damaged hob on the cutter head inconveniently.

SUMMERY OF THE UTILITY MODEL

The purpose of the utility model is to solve the shortcoming that exists among the prior art, if: at present, when a tunnel is tunneled, the tunnel is mostly excavated, propelled and propped up through a shield machine, but when the tunnel is tunneled by using the shield machine, the hob on a cutterhead is inconvenient to disassemble and assemble, so that maintenance personnel are inconvenient to replace the damaged hob on the cutterhead, and the tunnel boring machine is provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a tunnel boring machine, includes the shield structure machine, the left side of shield structure machine is provided with the blade disc, the mounting hole has been seted up to the inside of blade disc, the inner wall fixedly connected with mount pad of mounting hole, the spacing groove has been seted up in the left side of mount pad, the equal sliding connection of inner wall and the mounting hole of spacing groove has the support column, the fixed surface of support column is connected with the hobbing cutter, the equal fixedly connected with U-shaped spacing frame in upper and lower both sides of mount pad, the equal laminating of inner wall of the spacing frame of U-shaped and the inner wall of mount pad is provided with locking mechanism, the right side of locking mechanism contacts with the left side of.

Preferably, the locking mechanism includes the limiting plate, first slide opening has been seted up to the inside of limiting plate, the first traveller of the inner wall fixedly connected with of first slide opening, the equal sliding connection of the surface of first traveller and the inner wall of first slide opening has first slider, first slider is close to the left side fixedly connected with card post of mount pad, the surface of card post and the inner wall contact of the spacing frame of U-shaped, the through-hole has been seted up to the inside of limiting plate, the inner wall fixedly connected with pivot of through-hole, the first bearing of fixed surface of pivot, the right side of first bearing and the left side contact of support column, first spring has been cup jointed on the surface of first traveller.

Preferably, a second slide hole is formed in the mounting seat, a second slide column is fixedly connected to the inner wall of the second slide hole, a pushing mechanism is connected to the surface of the second slide column and the inner wall of the second slide hole in a sliding mode, the left side of the pushing mechanism is in contact with the right side of the supporting column, a second spring is sleeved on the surface of the second slide column, and the second spring is located on the right side of the pushing mechanism.

Preferably, pushing mechanism includes the second slider, the inner wall of second slider and the surperficial sliding connection of second traveller, the surface of second slider and the inner wall contact of second slide opening, the second slider is close to one side of hobbing cutter and has seted up flutedly, the inner wall fixedly connected with spliced pole of recess, the fixed surface of spliced pole is connected with the second bearing, the fixed surface of second bearing is connected with the thrust disk, the left side of thrust disk and the right side contact of support column.

Preferably, the pushing disc is a disc, and the center of the pushing disc and the center of the second bearing coincide.

Preferably, each mounting seat is internally provided with two locking mechanisms, and the hob is positioned between the two adjacent locking mechanisms.

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

(1) the utility model discloses a set up the mount pad, the spacing groove, the support column, the hobbing cutter, the spacing frame of U-shaped and locking mechanism, when installing the hobbing cutter, place the hobbing cutter in the mount pad, and make support column and spacing groove contact, then, insert the card post to the spacing frame of U-shaped, and make first bearing and support column contact, at this moment, can fix the hobbing cutter in the blade disc, when dismantling the hobbing cutter, press first slider, make card post and the spacing separation of U-shaped, then, will lock the mechanism and take out from the mount pad, at this moment, can dismantle the hobbing cutter from the blade disc, and then through the mount pad, the spacing groove, the support column, the hobbing cutter, the cooperation of the spacing frame of U-shaped and locking mechanism, it is comparatively convenient to make dismouting between hobbing cutter and the blade disc, thereby the maintenance personal of being convenient for changes the hobbing cutter of damage.

(2) The utility model discloses a set up the second slide opening, the second traveller, pushing mechanism and second spring, with hobbing cutter mount pad back in, press the promotion dish through the support column, make the second spring compression, when dismantling the hobbing cutter, the second spring of compression plays the impetus to the second slider, and then will lock the mechanism and take out the back in the mount pad, through the cooperation of pushing mechanism and second spring, can shift out the hobbing cutter from the mount pad to the maintenance personal of being convenient for dismantles the hobbing cutter of damage.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is an enlarged view of the point A in FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of the point B in FIG. 2 according to the present invention;

FIG. 4 is an enlarged view of the point C of FIG. 2 according to the present invention;

fig. 5 is a schematic view of the internal structure of the mounting base of the present invention.

In the figure: 1. a shield machine; 2. a cutter head; 3. mounting holes; 4. a mounting seat; 5. a limiting groove; 6. a support pillar; 7. hobbing cutters; 8. a U-shaped limiting frame; 9. a locking mechanism; 91. a limiting plate; 92. a first slide hole; 93. a first traveler; 94. a first slider; 95. clamping the column; 96. a through hole; 97. a rotating shaft; 98. a first bearing; 99. a first spring; 10. a second slide hole; 11. a second strut; 12. a pushing mechanism; 121. a second slider; 122. a groove; 123. connecting columns; 124. a second bearing; 125. pushing the disc; 13. a second spring.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-5, a tunnel boring machine, including shield structure machine 1, shield structure machine 1's left side is provided with blade disc 2, mounting hole 3 has been seted up to blade disc 2's inside, inner wall fixedly connected with mount pad 4 of mounting hole 3, spacing groove 5 has been seted up in the left side of mount pad 4, the equal sliding connection of inner wall of spacing groove 5 and the inner wall of mount pad 3 has support column 6, spacing groove 5 plays limiting displacement to support column 6, the fixed surface of support column 6 is connected with hobbing cutter 7, the equal fixedly connected with U-shaped spacing frame 8 in upper and lower both sides of mount pad 4, the inner wall of U-shaped spacing frame 8 and the inner wall of mount pad 4 all laminate and are provided with locking mechanism 9, the right side of locking mechanism 9 contacts with the left side of support column 6, all be provided with two locking mechanism 9 in every mount pad 4, hobbing cutter 7 is located between two adjacent locking mechanism 9.

Locking mechanism 9 includes limiting plate 91, first slide opening 92 has been seted up to limiting plate 91's inside, the first traveller 93 of inner wall fixedly connected with of first traveller 92, the equal sliding connection of the surface of first traveller 93 and the inner wall of first traveller 92 has first slider 94, first slider 94 is close to the left side fixedly connected with card post 95 of mount pad 4, the surface of card post 95 and the inner wall contact of U-shaped spacing frame 8, through-hole 96 has been seted up to limiting plate 91's inside, the inner wall fixedly connected with pivot 97 of through-hole 96, the fixed surface of pivot 97 is connected with first bearing 98, the right side of first bearing 98 and the left side contact of support column 6, through setting up first bearing 98, can reduce the wearing and tearing on support column 6 surface, first spring 99 has been cup jointed on the surface of first traveller 93, block post 95 in U-shaped spacing frame 8 through first spring 99.

Second slide opening 10 has been seted up to the inside of mount pad 4, the inner wall fixedly connected with second traveller 11 of second slide opening 10, the equal sliding connection in surface of second traveller 11 and the inner wall of second slide opening 10 has pushing mechanism 12, the left side of pushing mechanism 12 and the right side contact of support column 6, second spring 13 has been cup jointed on the surface of second traveller 11, second spring 13 is located pushing mechanism 12's right side, make in close contact with between pushing mechanism 12 and the support column 6 through second spring 13.

The pushing mechanism 12 comprises a second sliding block 121, the inner wall of the second sliding block 121 is slidably connected with the surface of the second sliding column 11, the surface of the second sliding block 121 is in contact with the inner wall of the second sliding hole 10, one side of the second sliding block 121 close to the hob 7 is provided with a groove 122, the inner wall of the groove 122 is fixedly connected with a connecting column 123, the surface of the connecting column 123 is fixedly connected with a second bearing 124, the surface of the second bearing 124 is fixedly connected with a pushing disc 125, the left side of the pushing disc 125 is in contact with the right side of the supporting column 6, the pushing disc 125 is a circular disc, the center of the pushing disc 125 is superposed with the center of the second bearing 124, the pushing disc 125 can freely rotate on the connecting column 123 by arranging the second bearing 124, so as to reduce the abrasion between the supporting column 6 and the pushing, and the hob 7 is installed in the installation seat 4 by arranging the second sliding hole 10, the second sliding column 11, the pushing mechanism 12 and the second spring 13, push away dish 125 through support column 6 and press, make the compression of second spring 13, when dismantling hobbing cutter 7, the second spring 13 of compression plays the pushing action to second slider 121, and then takes out the back in will locking mechanism 9 from mount pad 4, through the cooperation of pushing mechanism 12 and second spring 13, can follow the mount pad 4 with hobbing cutter 7 and shift out to the maintenance personal of being convenient for dismantles damaged hobbing cutter 7.

The utility model discloses in, maintenance person is when installing hobbing cutter 7 on blade disc 2, place hobbing cutter 7 in mount pad 4, and make support column 6 and spacing groove 5 contact, then, insert card post 95 to the spacing 8 of U-shaped, and make first bearing 98 and support column 6 contact, at this moment, can fix hobbing cutter 7 in blade disc 2, when dismantling hobbing cutter 7, press first slider 94, make card post 95 and the spacing 8 separation of U-shaped, then, will lock dead mechanism 9 and take out from mount pad 4, at this moment, can dismantle hobbing cutter 7 from blade disc 2, when tunnelling the tunnel, make blade disc 2 rotate through shield structure machine 1, then, excavate the tunnel through hobbing cutter 7 on the blade disc 2.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims

1. The utility model provides a tunnel boring machine, includes shield structure machine (1), its characterized in that, the left side of shield structure machine (1) is provided with blade disc (2), mounting hole (3) have been seted up to the inside of blade disc (2), inner wall fixedly connected with mount pad (4) of mounting hole (3), spacing groove (5) have been seted up in the left side of mount pad (4), the equal sliding connection of inner wall of spacing groove (5) and the inner wall of mounting hole (3) has support column (6), the fixed surface of support column (6) is connected with hobbing cutter (7), the equal fixedly connected with U-shaped spacing (8) in the upper and lower both sides of mount pad (4), the inner wall of U-shaped spacing (8) and the inner wall of mount pad (4) all laminate and are provided with locking mechanism (9), the right side of locking mechanism (9) contacts with the left side of support column (6).

2. The tunneling machine according to claim 1, wherein the locking mechanism (9) comprises a limiting plate (91), a first sliding hole (92) is formed in the limiting plate (91), a first sliding column (93) is fixedly connected to the inner wall of the first sliding hole (92), a first sliding block (94) is slidably connected to the surface of the first sliding column (93) and the inner wall of the first sliding hole (92), a clamping column (95) is fixedly connected to the left side, close to the mounting seat (4), of the first sliding block (94), the surface of the clamping column (95) is in contact with the inner wall of the U-shaped limiting frame (8), a through hole (96) is formed in the limiting plate (91), a rotating shaft (97) is fixedly connected to the inner wall of the through hole (96), a first bearing (98) is fixedly connected to the surface of the rotating shaft (97), the right side of the first bearing (98) is in contact with the left side of the supporting column (6), and a first spring (99) is sleeved on the surface of the first sliding column (93).

3. The tunneling machine according to claim 1, wherein a second sliding hole (10) is formed in the mounting seat (4), a second sliding column (11) is fixedly connected to the inner wall of the second sliding hole (10), the surface of the second sliding column (11) and the inner wall of the second sliding hole (10) are both connected with a pushing mechanism (12) in a sliding mode, the left side of the pushing mechanism (12) is in contact with the right side of the supporting column (6), a second spring (13) is sleeved on the surface of the second sliding column (11), and the second spring (13) is located on the right side of the pushing mechanism (12).

4. A tunnel boring machine according to claim 3, wherein the pushing mechanism (12) comprises a second slider (121), the inner wall of the second slider (121) is slidably connected with the surface of the second sliding column (11), the surface of the second slider (121) is in contact with the inner wall of the second sliding hole (10), a groove (122) is formed in one side of the second slider (121) close to the hob (7), a connecting column (123) is fixedly connected with the inner wall of the groove (122), a second bearing (124) is fixedly connected with the surface of the connecting column (123), a pushing disc (125) is fixedly connected with the surface of the second bearing (124), and the left side of the pushing disc (125) is in contact with the right side of the supporting column (6).

5. A tunnel boring machine according to claim 4, wherein the push plate (125) is a disc and the centre of the push plate (125) and the centre of the second bearing (124) coincide.

6. A tunnel boring machine according to claim 1, wherein two deadlocking mechanisms (9) are provided in each mounting (4), the roller cutter (7) being located between two adjacent deadlocking mechanisms (9).