CN102410026A

CN102410026A - Manhole door structure and shield machine

Info

Publication number: CN102410026A
Application number: CN2011104151647A
Authority: CN
Inventors: 刘永志; 焦志刚; 黎少飞
Original assignee: Beijing Sany Heavy Machinery Co Ltd
Current assignee: Beijing Sany Heavy Machinery Co Ltd; Sany Heavy Machinery Ltd
Priority date: 2011-12-13
Filing date: 2011-12-13
Publication date: 2012-04-11
Anticipated expiration: 2031-12-13
Also published as: CN102410026B

Abstract

The invention relates to the technical field of engineering machinery and discloses a manhole door structure and a shield machine. The manhole door structure also comprises a plurality of fixing blocks and oscillating bars apart from comprising a partition plate and a manhole door, wherein the plurality of fixing blocks are arranged on the partition plate and are distributed around the edge of the manhole door; limiting grooves with openings are arranged on the fixing blocks; the oscillating bars are articulated on the manhole door in a dead axle manner; and when the oscillating bars oscillate, the first ends of the oscillating bars can be positioned in the limiting grooves through the openings. In the manhole structure provided by the embodiment of the invention, the three fixing blocks are arranged on the partition plate of the peripheral side of the manhole door, the three oscillating bars which are matched with the limiting grooves of the fixing blocks are arranged on the manhole door so that the first ends of the oscillating bars are separated from or positioned in the limiting grooves by manually driving the oscillating bars, and further the opening and closing of the manhole door are realized; and compared with the prior art, the manhole door structure has the advantages of reducing the time of opening and closing a door, simultaneously reducing workload of opening and closing the door and meeting the requirement of workers for rapid warehouse entry.

Description

A kind of manhole door structure and shield machine

Technical field

The present invention relates to technical field of engineering machinery, particularly relate to a kind of manhole door structure and shield machine.

Background technology

Shield machine is a kind of special engineering machinery of tunnel piercing, has the excavation cutting soil body, carries soil quarrel, assembly unit tunnel lining and measures function such as guiding correction, is widely used in subway, railway, highway, the city construction of tunnel such as water power of having stable political situation.

Shield machine is in tunneling process, and the space of its dividing plate both sides, native storehouse isolates each other, when cutterhead and cutter break down; The staff need get in the native storehouse through native storehouse dividing plate and handle; Fig. 1 and Fig. 2 show existing two kinds of modes that get into Tu Cang: a kind of for to compress into the storehouse through people's strap of the brake, after the staff opens people's gate 10 entering people locks 20, close people's gate 10; Program gives people's lock 20 pressurizations according to the rules; Pressure until itself and native storehouse 50 reaches balance, and at this moment, the staff can get in the native storehouse 50 through people's lock cylindrical shell 30 and isolating door 40; Another kind of native storehouse dividing plate 70 is provided with manhole in order to pass through the manhole warehouse entry, and the staff is through opening manhole door 60 warehouse entries.

In the above-mentioned dual mode, people's gate 10 all installs and fixes through bolt with manhole door 60, therefore; No matter be all to need demounting bolt through people's gate 10 warehouse entries or through manhole door 60 warehouse entries, the time of opening the door is longer, correspondingly; The time of locking door is also longer, and whole process wastes time and energy.

Therefore, how shortening staff's the turnover storehouse time, reduce workload, is the technical barrier that those skilled in the art need to be resolved hurrily.

Summary of the invention

In view of this, the present invention is intended to propose a kind of manhole door structure and shield machine, to solve in the prior art because of needing assembling-disassembling bolt to cause the long and bigger problem of workload of turnover storehouse time.

On the one hand, the invention provides a kind of manhole door structure, this manhole door structure is sealed the manhole door of this manhole except comprising the dividing plate that is provided with manhole and being used to, and also comprises:

A plurality of fixed blocks are located on the said dividing plate and around the edge of said manhole door and are arranged that said fixed block is provided with the stopper slot that has opening;

With said fixed block fork one to one, dead axle is articulated on the said manhole door, and said fork can make its first end place in the said stopper slot through said opening when swing.

Further, be provided with sealing mat between dividing plate and the said manhole door.

Further, said opening is the shape of outside flaring.

Further, the bearing of trend of the pivot center of said fork and said stopper slot is perpendicular.

Further, said manhole door structure comprises that also dead axle is articulated in the handle on the said manhole door, and the pivot center of said handle is parallel with the pivot center of said fork, and second end of said fork links to each other with said handle.

Further, second end of said fork is provided with elongated hole, and said handle is provided with pin, and second end of said fork and said handle are hinged through this elongated hole and this pin.

Further, said manhole door is circular, and said fixed block is distributed in all sides of this manhole door, and the hinge of said fork is distributed on the same circumference, and the center of circle of this circumference is identical with the center of circle of manhole door.

Further, the number of said fixed block is three.

On the other hand, the present invention also provides a kind of shield machine, and this shield machine is provided with above-mentioned each described manhole door structure.

Further, said shield machine is a muddy water formula shield machine.

A kind of manhole door structure provided by the invention and shield machine; On dividing plate, be provided with a plurality of fixed blocks that have stopper slot, on manhole door, be provided with a plurality of forks that match with the stopper slot of this fixed block, its first end is placed in the said stopper slot so that do swing through driving pendulum rod near the manhole door edge; And then realize closing of manhole door; Perhaps make its first end break away from said stopper slot, and then realize opening of manhole door, compared with prior art through the driving pendulum rod backswing; Reduce the time of switch door, reduced the workload of switch door simultaneously; Further, can handle be set on manhole door, be used for controlling simultaneously the swaying direction of each fork, with the time and the workload of further reduction switch door.

Description of drawings

Fig. 1 is existing a kind of structural representation that gets into Tu Cang through people's gate;

Fig. 2 is existing a kind of structural representation that gets into Tu Cang through manhole door;

The structural representation of a kind of manhole door structure that Fig. 3 provides for the embodiment of the invention;

Fig. 4 be among Fig. 3 A-A to sectional view.

The specific embodiment

In order to make those skilled in the art understand technical scheme of the present invention better, the present invention is done further detailed description below in conjunction with accompanying drawing and specific embodiment.Should be pointed out that description and the description order to concrete structure only is the explanation to specific embodiment in this part, should not be regarded as that protection scope of the present invention is had any restriction.

Please refer to Fig. 3 and Fig. 4, wherein, the structural representation of a kind of manhole door structure that Fig. 3 provides for the embodiment of the invention, Fig. 4 be among Fig. 3 A-A to sectional view.The following while is described in detail the embodiment of the invention according to Fig. 3 and Fig. 4.

As shown in the figure, this manhole door structure mainly comprises dividing plate 1, fixed block 2, manhole door 3, handle 4, fork 5 and sealing mat 6 etc., wherein:

Dividing plate 1 is provided with manhole (scheming not shown), and manhole door 3 is used to seal this manhole, and manhole door 3 is circular, and sealing mat 6 is located between dividing plate 1 and the manhole door 3, its sealing function; The number of fixed block 2 is three; Be fixed on the dividing plate 1 and and evenly arrange around all sides of manhole door 3; Promptly adjacent two fixed blocks 2 are equal substantially with respect to the angle (120 °) of the center of circle formation of manhole door 3 arbitrarily, and fixed block 2 is provided with the stopper slot 21 that has opening 22, and the bearing of trend of stopper slot 21 is parallel or overlapping substantially with the tangential direction of manhole door 3; The opening 22 of stopper slot 21 is the shape of outside flaring, and its flaring line is straight line or curve;

The number of fork 5 is three, and is corresponding one by one with fixed block 2, and fork 5 dead axles are articulated on the manhole door 3; Its hinge 51 is distributed on the circumference of the same center of circle (being the center of circle of manhole door 3), and promptly any two hinges 51 equate with respect to the angle of the center of circle formation of manhole door 3 substantially, and its pivot center is substantially perpendicular to manhole door 3 residing planes; When fork 3 is done swing clockwise around hinge 51; Its first end 52 can place in the stopper slot 21 through opening 22, thereby manhole door 3 is close on the dividing plate 1, realizes closing of manhole door 3; At this moment; If fork 5 is made counter-clockwise swing around hinge 51, then its first end 52 can break away from stopper slot 21 through opening 22, thereby realizes opening of manhole door 3;

Handle 4 dead axles are articulated on the manhole door 3; Its hinge 41 is overlapping substantially with the center of circle of manhole door 3, and its pivot center is substantially perpendicular to manhole door 3 residing planes, second end 53 of fork 5 link to each other with handle 4 (scheming not shown); Handle 4 is used for the swaying direction of each fork 5 of centralized Control; In use, operating personnel only need through swing handle 4 so that fork 5 places or breaks away from the stopper slot 21 on the fixed block 2, and then realize closing and opening of manhole door 3; In the practical implementation process; Can on second end 53 of fork 5, elongated hole be set; And pin is set on handle 4, second end 53 of fork 5 is hinged through this elongated hole and pin with handle 4, and pin perhaps can be set on second end 53 of fork 5; And the driver slot that the shape with this pin is complementary is set on handle 4, the pin on second end 53 is installed in this driver slot.

When this manhole door structure applications during in shield machine, in the shield machine tunneling process, manhole door 3 is in closed condition (being state illustrated in fig. 4); When the cutterhead of development machine and cutter break down; The staff need at this moment, can clockwise rotate handle 4 through the manhole warehouse entry on the dividing plate 1 to fix a breakdown; Handle 4 is when clockwise rotating; Drive each fork 5 and rotate counterclockwise around self hinge 51, thus the stopper slot 21 that first end 52 of each fork 5 is broken away from the fixed blocks 2, until can manhole door 3 being disassembled; After the staff fixes a breakdown, after coming out from manhole, manhole door 3 is relay on dividing plate 1; Make the hinge 51 of fork 5 relative with fixed block 2, rotate counterclockwise handle 4 then, handle 4 is when rotating counterclockwise; Driving each fork 5 clockwise rotates around self hinge 51; Thereby first end 52 of each fork 5 is placed in the stopper slot 21 through opening 22, is close on the dividing plate 1, finally realize closing of manhole door 3 until manhole door 3.

Need to prove, in the foregoing description, for the ease of the first end 52 turnover stopper slots 21 of fork 5, can on this first end 52, set up a guide wheel, when this first end 52 during in stopper slot 21 turnover, this guide wheel is free to rotate.

Need to prove; In the foregoing description, the number of fixed block 2 and corresponding fork 5 is three, but in other embodiments; Also can adopt other number as required; For example, adopt the fork 5 of four or five fixed blocks 2 and respective number, each fixing outer 2 be distributed in manhole door 3 all sides.

Need to prove that in the foregoing description, manhole door 3 is circular; But in other embodiments; Also can adopt the manhole door of other shapes as required, fixed block is around the edge layout of the manhole door of this shape, for example; Rectangle or square are respectively equipped with fixed block and corresponding fork thereof on its four direction.

Need to prove, in the foregoing description, adopt 3 pairs of each forks 5 of handle to carry out centralized Control; Under other situations, for example at the number of fork 5 more after a little while, also can be according to through manually controlling; And need not to be provided with handle 3, in addition, in other embodiments; Also can use other forms of controlling organization as required, as long as can realize the corresponding angle of each fork 5 swing.

Need to prove; In the foregoing description; In order to reach better locking effect, also can make the height (with shown in Figure 4 sight is foundation) of the height on stopper slot 21 left sides a little more than the right, make after first end 52 of fork 5 gets into opening 22; Move forward approximately, manhole door 3 pastes tightly more with dividing plate 1.

Need to prove, in the foregoing description, can also optimize structure, position relation and the size of each parts as required, so that satisfy manhole door 3 compressing and seal request when closing.

A kind of manhole door structure that the embodiment of the invention provides is provided with three fixed blocks that have stopper slot on the dividing plate of manhole door week side, on manhole door, be provided with three forks that match with the stopper slot of this fixed block; So that its first end is placed in the said stopper slot through the clockwise swing of handle driving pendulum rod; And then realize perhaps making closing of manhole door its first end break away from said stopper slot, and then realize opening of manhole door through the clockwise swing of handle driving pendulum rod; Compared with prior art; Greatly reduce the time of switch door, reduced the workload of switch door simultaneously, satisfied the needs of the quick warehouse entry of staff.

The embodiment of the invention also provides a kind of shield machine, for example, and muddy water formula shield machine; This shield machine is provided with above-mentioned manhole door structure; Because above-mentioned manhole door structure has above-mentioned technique effect, therefore, the shield machine that is provided with this manhole door structure also should possess the corresponding techniques effect; Its practical implementation process is similar to the above embodiments, does not give unnecessary details now.

The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims

1. a manhole door structure comprises dividing plate (1) that is provided with manhole and the manhole door (3) that is used to seal this manhole, it is characterized in that said manhole door structure also comprises:

A plurality of fixed blocks (2) are located at the edge layout that said manhole door (3) was gone up and centered on to said dividing plate (1), and said fixed block (2) is provided with the stopper slot (21) that has opening (22);

With said fixed block (2) fork (5) one to one, dead axle is articulated on the said manhole door (3), and said fork (5) can make its first end (52) place in the said stopper slot (21) through said opening (22) when swing.

2. manhole door structure as claimed in claim 1 is characterized in that: be provided with sealing mat (6) between dividing plate (1) and the said manhole door (3).

3. manhole door structure as claimed in claim 1 is characterized in that: said opening (22) is the shape of outside flaring.

4. manhole door structure as claimed in claim 1 is characterized in that: the bearing of trend of the pivot center of said fork (5) and said stopper slot (21) is perpendicular.

5. like each described manhole door structure of claim 1 to 4, it is characterized in that:

Said manhole door structure comprises that also dead axle is articulated in the handle (4) on the said manhole door (3);

The pivot center of said handle (4) is parallel with the pivot center of said fork (5);

Second end (53) of said fork (5) links to each other with said handle (4).

6. manhole door structure as claimed in claim 5 is characterized in that:

Second end (53) of said fork (5) is provided with elongated hole, and said handle (4) is provided with pin;

Second end (53) of said fork (5) is hinged through this elongated hole and this pin with said handle (4).

7. like each described manhole door structure of claim 1 to 4, it is characterized in that:

Said manhole door (3) is circular;

Said fixed block (2) is distributed in all sides of this manhole door (3);

The hinge of said fork (5) is distributed on the same circumference, and the center of circle of this circumference is identical with the center of circle of manhole door (3).

8. manhole door structure as claimed in claim 7 is characterized in that: the number of said fixed block (2) is three.

9. shield machine, it is characterized in that: said shield machine is provided with each described manhole door structure of claim 1 to 8.

10. shield machine as claimed in claim 9 is characterized in that: said shield machine is a muddy water formula shield machine.