CN214118190U

CN214118190U - Novel soft soil blade disc with adjustable blade height

Info

Publication number: CN214118190U
Application number: CN202023265646.2U
Authority: CN
Inventors: 郭家祺; 李龙飞; 田文尧; 李维婧; 蔡辉; 张国良
Original assignee: China Railway Engineering Equipment Group Tianjin Co Ltd
Current assignee: China Railway Engineering Equipment Group Tianjin Co Ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-09-03
Anticipated expiration: 2030-12-29

Abstract

The utility model discloses a novel sword height adjustable weak soil blade disc, this utility model can be applied to the height of adjusting shield structure machine blade disc cutter, provide a more convenient sword height adjustable weak soil blade disc, through install the hydro-cylinder behind one's back at the cutter, can be after the cutter wearing and tearing, ejecting with the cutter by the hydro-cylinder, need not shut down the tool changing, labour saving and time saving can also guarantee personnel's safety, the safety cover not only can protect the hydro-cylinder not receive the wearing and tearing of dregs, can also replace the stirring rod, stir dregs in the soil storehouse.

Description

Novel soft soil blade disc with adjustable blade height

Technical Field

The utility model relates to a novel sword height-adjustable's weak soil blade disc, this utility model can be applied to the height of adjusting shield structure machine blade disc cutter, provide a more convenient sword height-adjustable's weak soil blade disc.

Background

The shield machine is used as a comprehensive large-scale construction machine integrating mechanical, hydraulic, electrical and automatic control, and is widely applied to tunnel construction with the advantages of high quality, high speed and safety. The cutter head is a core component of the shield tunneling machine, a cutter is mounted on the cutter head, and the cutter can cut soil bodies and excavate stratums along with the rotation of the cutter head. In the excavation process, the dregs can enter the soil bin, and the stirring rod is designed at the back of the cutter head and can stir the dregs to prevent the dregs from caking. The optimal design of the cutter head can improve the tunneling speed and efficiency. The height of a traditional cutter head cutter cannot be adjusted, so that the height of the traditional cutter head cutter is improved, and the cutter height-adjustable soft soil cutter head is provided.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a sword height adjustable weak soil blade disc, including the blade disc, four spokes have been seted up to blade disc one side, and four spoke mutually perpendicular sets up, the inside a plurality of cutters that is equipped with of spoke, the inside spacing groove of having seted up of spoke, the inside connecting plate that is equipped with of spacing inslot, cutter one side and connecting plate one side fixed connection, the first hydro-cylinder ear seat of connecting plate one side fixedly connected with, first hydro-cylinder ear seat one side is rotated and is connected with the hydro-cylinder, hydro-cylinder bottom fixedly connected with second hydro-cylinder ear seat, second hydro-cylinder ear seat bottom fixedly connected with main drive, first hydro-cylinder ear seat, hydro-cylinder and second hydro-cylinder ear seat outside cup joint have the hydro-cylinder safety cover, hydro-cylinder safety cover one side and spacing groove one side fixed connection, hydro-cylinder safety cover opposite side and main drive one side fixed connection.

As an optimized technical scheme of the utility model, a plurality of cutter holes have been seted up to spoke inside, the inside bonding of cutter hole is fixed with the sealing rubber ring.

As the utility model discloses a preferred technical scheme, hydro-cylinder safety cover one side welded connection has a first fixed baseplate, the inside bolted connection of first fixed baseplate has first set screw, first set screw bottom and spacing groove one side bolt fixed connection.

As a preferred technical scheme of the utility model, hydro-cylinder safety cover opposite side welded connection has second fixed baseplate, the inside bolted connection of second fixed baseplate has second set screw, second set screw bottom and main drive one side bolt fixed connection.

As a preferred technical scheme of the utility model, the inside bolted connection of second hydro-cylinder ear seat has third set screw, third set screw bottom and main drive one side bolt fixed connection.

As a preferred technical scheme of the utility model, the bolt hole has been seted up to first hydro-cylinder ear seat is inside, the bolt hole has been seted up to hydro-cylinder one side, the bolt hole that the inside bolt hole of seting up of first hydro-cylinder ear seat and the downthehole portion of bolt of seting up of hydro-cylinder one side rotate and be connected with the bolt.

As a preferred technical scheme of the utility model, the inside both sides of spacing inslot are rotated and are connected with a plurality of balls, ball one side and connecting plate one side roll connection.

The utility model has the advantages that: the height of the cutter on the cutter head can be adjusted by the soft soil cutter head with the adjustable cutter height. The cutter of the prior soft soil cutter head of the shield machine is a welding cutter, when the cutter is worn in the tunneling process, an original cutter needs to be cut off, and then a new cutter needs to be welded. The utility model discloses install the hydro-cylinder behind one's back at the cutter, can be after the cutter wearing and tearing, ejecting with the cutter by the hydro-cylinder, need not shut down the tool changing, labour saving and time saving can also guarantee personnel's safety. Shield constructs quick-witted blade disc back design before has the stirring rod, can stir the dregs in the soil storehouse, prevents the dregs caking, the utility model discloses a safety cover is installed outward to the hydro-cylinder behind the blade disc cutter, and the safety cover not only can protect the hydro-cylinder not receive the wearing and tearing of dregs, can also replace the stirring rod, stirs dregs in the soil storehouse.

Drawings

Fig. 1 is a schematic view of a cutter head of a soft soil cutter head with an adjustable cutter height according to the present invention;

fig. 2 is a schematic view of the spoke cross-section structure of a soft soil cutter head with an adjustable cutter height of the utility model;

fig. 3 is a schematic diagram of a structure on one side of the limit groove of the soft soil cutter head with an adjustable cutter height.

In the figure: 1. a cutter head; 2. spokes; 3. a cutter; 4. a connecting plate; 5. a protective cover; 6. an oil cylinder; 7. a limiting groove; 8. a first cylinder lug seat; 9. a second cylinder lug seat; 10. main driving; 11. a cutter hole; 12. sealing the rubber ring; 13. a first fixed base; 14. a first set screw; 15. a second fixed base; 16. a second set screw; 17. a third set screw; 18. a bolt; 19. and a ball.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in figures 1-3, the utility model relates to a soft soil cutter head with adjustable cutter height, which comprises a cutter head 1, wherein one side of the cutter head is provided with four spokes 2, and four 2 mutually perpendicular setups of spoke, 2 inside a plurality of cutters 3 that are equipped with of spoke, spacing groove 7 has been seted up to 2 inside of spoke, the inside connecting plate 4 that is equipped with of spacing groove 7, cutter 3 one side and 4 one side fixed connection of connecting plate, the first hydro-cylinder ear seat 8 of 4 one side fixedly connected with of connecting plate, 8 one sides of first hydro-cylinder ear seat are rotated and are connected with hydro-

cylinder

6, 6 bottom fixedly connected with second hydro-cylinder ear seat 9 of hydro-cylinder, 9 bottom fixedly connected with main drive 10 of second hydro-cylinder ear seat, first hydro-cylinder ear seat 8, hydro-cylinder 6 and the 9 outsides of second hydro-cylinder ear seat cup joint have hydro-

cylinder safety cover

5, 5 one side of hydro-cylinder safety cover and 7 one side fixed connection of spacing groove, 5 opposite sides and 10 one side fixed connection of main drive of hydro-cylinder safety cover.

Wherein, spoke 2 is inside to be seted up a plurality of cutter holes 11, and cutter hole 11 is inside to be fixed with sealed rubber ring 12 that bonds, and sealed rubber ring 12 through being equipped with can prevent effectively that the weak soil from the cutter hole 11 entering spacing groove 7 inside to and can scrape the weak soil on cutter 3 surface at the flexible in-process of cutter 3 through sealed rubber ring 12 that is equipped with, improve the cleanliness on cutter 3 surface.

Wherein, oil cylinder safety cover 5 one side welded connection has first fixed baseplate 13, and the inside bolted connection of first fixed baseplate 13 has first set screw 14, and first set screw 14 bottom and spacing groove 7 one side bolt fixed connection make things convenient for the top of oil cylinder safety cover 5 to dismantle and install through first fixed baseplate 13 and first set screw 14 that are equipped with.

The other side of the oil cylinder protection cover 5 is connected with a second fixing base 15 in a welding mode, a second fixing screw 16 is connected to the inner portion of the second fixing base 15 through a bolt, the bottom of the second fixing screw 16 is fixedly connected with a bolt on one side of the main drive 10, and the bottom of the oil cylinder protection cover 5 is convenient to detach and install through the second fixing base 15 and the second fixing screw 16.

Wherein, the inside bolted connection of second hydro-cylinder ear seat 9 has third set screw 17, and third set screw 17 bottom and main drive 10 one side bolted connection, through second hydro-cylinder ear seat 9 and the third set screw 17 that are equipped with dismantlement and installation when making things convenient for hydro-cylinder 6 to maintain.

Wherein, the inside bolt hole of having seted up of first hydro-cylinder ear seat 8, the bolt hole has been seted up to 6 one sides of hydro-cylinder, and the inside bolt hole of seting up of first hydro-cylinder ear seat 8 and the downthehole portion rotation of bolt of seting up of 6 one sides of hydro-cylinder are connected with

bolt

18, and 18 messenger's first hydro-cylinder ear seat 8 that are equipped with realizes rotating with 6 one side of hydro-cylinder to be connected through the bolt that is equipped with makes things convenient for connecting plate 4 to carry out small amplitude displacement in spacing groove 7 inside.

Wherein, the inside both sides of spacing groove 7 are rotated and are connected with a plurality of

balls

19, and 19 one side of ball and connecting plate 4 one side roll connection make connecting

plate

4 and 7 inside both sides of spacing groove realize roll connection through the ball 19 that is equipped with, avoid connecting

plate

4 and 7 inside both sides direct contact of spacing groove, increase frictional force reduces mechanical life.

The working principle is as follows: when the device works, the cutter head 1 rotates and simultaneously drives the cutter 3 to rotate to shield cutting of a soil layer or a rock stratum, when the cutter 3 is abraded, the cutter 3 is ejected out by the oil cylinder 6, the cutter 3 is replaced, time and labor are saved, the safety of personnel can be ensured, the protective cover 5 is arranged outside the oil cylinder 6, the protective cover 5 can not only protect the oil cylinder 6 from being abraded by muck, but also replace a stirring rod to stir the muck in a soil bin, the connecting plate 4 can conveniently move in a directional mode through the arranged limiting groove 7, the protective cover is conveniently and rotatably connected with the oil cylinder 6 through the arranged first oil cylinder lug 8, the connecting plate 4 and the cutter 3 can be pushed through the arranged oil cylinder 6, so that the height of the cutter 3 can be adjusted, soft soil on the surface of the cutter 3 can be scraped in the telescopic process of the cutter 3 through the arranged sealing rubber ring 12, the cleanliness of the surface of the cutter 3 is improved, the first fixing base 13 and the second fixing base 15 can conveniently detach and install the oil cylinder 5, the balls 19 enable the connecting plate 4 and two sides inside the limiting groove 7 to be in rolling connection, direct contact between the connecting plate 4 and two sides inside the limiting groove 7 is avoided, friction is increased, and the service life of machinery is shortened.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

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 described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A knife height-adjustable soft soil cutter head comprises a cutter head (1) and is characterized in that four spokes (2) are arranged on one side of the cutter head, the four spokes (2) are perpendicular to each other, a plurality of cutters (3) are arranged inside the spokes (2), a limiting groove (7) is formed inside the spokes (2), a connecting plate (4) is arranged inside the limiting groove (7), one side of each cutter (3) is fixedly connected with one side of the connecting plate (4), a first oil cylinder lug seat (8) is fixedly connected to one side of the connecting plate (4), an oil cylinder (6) is rotatably connected to one side of the first oil cylinder lug seat (8), a second oil cylinder lug seat (9) is fixedly connected to the bottom of the oil cylinder (6), a main drive (10) is fixedly connected to the bottom of the second oil cylinder lug seat (9), and an oil cylinder protective cover (5) is connected to the outer sides of the first oil cylinder lug seat (8), the oil cylinder (6) and the second oil cylinder lug seat (9) in a sleeved mode, hydro-cylinder safety cover (5) one side and spacing groove (7) one side fixed connection, hydro-cylinder safety cover (5) opposite side and main drive (10) one side fixed connection.

2. The soft soil cutter head with the adjustable cutter height according to claim 1, wherein a plurality of cutter holes (11) are formed in the spokes (2), and sealing rubber rings (12) are bonded and fixed in the cutter holes (11).

3. The soft soil cutter head with the adjustable cutter height according to claim 1, wherein one side of the oil cylinder protection cover (5) is welded and connected with a first fixing base (13), a first fixing screw (14) is connected with the inner portion of the first fixing base (13) through a bolt, and the bottom of the first fixing screw (14) is fixedly connected with one side of the limiting groove (7) through a bolt.

4. The soft soil cutterhead with the adjustable knife height according to claim 1, wherein a second fixing base (15) is welded to the other side of the oil cylinder protection cover (5), a second fixing screw (16) is bolted to the inside of the second fixing base (15), and the bottom of the second fixing screw (16) is fixedly connected with a bolt on one side of the main drive (10).

5. The soft soil cutterhead with the adjustable knife height according to claim 1, wherein a third fixing screw (17) is bolted inside the second oil cylinder ear seat (9), and the bottom of the third fixing screw (17) is fixedly connected with a bolt on one side of the main drive (10).

6. The soft soil cutter head with the adjustable cutter height according to claim 1, wherein a bolt hole is formed in the first oil cylinder lug seat (8), a bolt hole is formed in one side of the oil cylinder (6), and a bolt (18) is rotatably connected between the bolt hole formed in the first oil cylinder lug seat (8) and the bolt hole formed in one side of the oil cylinder (6).

7. A soft soil cutter disc with an adjustable cutter height according to claim 1, wherein a plurality of balls (19) are rotatably connected to two sides inside the limiting groove (7), and one side of each ball (19) is in rolling connection with one side of the connecting plate (4).