CN109441477A - A kind of Suporting structure deslagging device of improvement - Google Patents
A kind of Suporting structure deslagging device of improvement Download PDFInfo
- Publication number
- CN109441477A CN109441477A CN201811594689.XA CN201811594689A CN109441477A CN 109441477 A CN109441477 A CN 109441477A CN 201811594689 A CN201811594689 A CN 201811594689A CN 109441477 A CN109441477 A CN 109441477A
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- China
- Prior art keywords
- discharge port
- improvement
- helix transporting
- cutterhead
- transporting device
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Links
- 230000006872 improvement Effects 0.000 title claims abstract description 16
- 239000002893 slag Substances 0.000 claims abstract description 51
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 239000011435 rock Substances 0.000 claims description 8
- 244000144985 peep Species 0.000 claims description 5
- 230000004888 barrier function Effects 0.000 claims description 3
- 230000006837 decompression Effects 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 230000005641 tunneling Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000011897 real-time detection Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 230000008674 spewing Effects 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
- E21D9/124—Helical conveying means therefor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/08—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
A kind of Suporting structure deslagging device of improvement, including being equipped with scum board of multiple flanges from cutterhead with fixed link to outer diameter end in radioactivity arrangement, the slag agitator in rotary drive mechanism center fixing part towards the side of cutterhead equipped with outwardly convex at the back of cutterhead, the slag agitator has the through slot being mutually communicated from top to bottom, its top is feed inlet, lower section is discharge port, it is rotated by the rotation section band movable knife disc of rotary drive mechanism, then drives scum board that the dregs in native storehouse is transported to the feed inlet of slag agitator；It further includes a helix transporting device being horizontally installed below slag agitator discharge port, the helix transporting device has a closing shell, its front end and slag agitator discharge port are connected to each other blanking port, its end at least provided with a controllable gate open the discharge port that closes, there is helical blade and pressure sensor in closing shell, have outside closing shell for driving helical blade device of rotation driving.
Description
Technical field
The present invention relates to shield driving equipment, the Suporting structure deslagging device of espespecially a kind of improvement.
Background technique
As shown in Figure 1, TBM Suporting structure applies in general to the tunneling construction of hard rock material, the mode of slagging tap is generallyd use
The middle part of cutterhead 2a is arranged in the input terminal of belt feeder 1a by cutter head center formula, is delivered to hard rock slag charge by belt feeder 1a
Slag releasing channel discharges；
As shown in Fig. 2, traditional earth pressure balanced shield, EPBS is generally used in the Urban Metro Construction compared with weak soil matter, mode of slagging tap is logical
It is realized frequently with screw conveyor 1b, the bottom of cutterhead 2b and angularly disposed is arranged in screw conveyor 1b, by spiral transferring
It send machine 1b that soil property slag charge is delivered to slag releasing channel to discharge；But due to the diversification of construction environment, Suporting structure is needed sometimes
Having Suporting structure of the Various Complexes geology item such as weak soil and hard rock into lower construction operation, therefore a kind of bimodulus occurs in industry
Suporting structure, referring specifically to CN102383805A patent document, but using the bimodulus Suporting structure under different geological conditions
It carrying out needing to match different deslagging devices when operation, analogy needs mode of slagging tap using central strap under hard rock geological conditions, and
It need to be slagged tap mode using helical feed motor spindle in Soft Clay, need to carry out in narrow tunnel due to above-mentioned conversion, turn
It is more troublesome to change process, it is time-consuming and laborious.
In view of this, the present inventor furthers investigate in view of the above-mentioned drawbacks in the prior art, there is this case generation then.
Summary of the invention
The main purpose of the present invention is to provide a kind of novel shield machine deslagging device, which can combine hard rock
Geology and rich in water layer geology slag charge transport.
To achieve the above object, the invention discloses a kind of Suporting structure deslagging devices of improvement, including the back in cutterhead
Portion is equipped with multiple flanges from cutterhead with fixed link to outer diameter end in the scum board of radioactivity arrangement, at rotary drive mechanism center
Fixed part is equipped with the slag agitator of outwardly convex towards the side of cutterhead, which has the through slot being mutually communicated from top to bottom,
Its top is feed inlet, and lower section is discharge port, is rotated by the rotation section band movable knife disc of rotary drive mechanism, then drives and scrape slag
Dregs in native storehouse is transported to the feed inlet of slag agitator by plate；It further includes a spiral being horizontally installed below slag agitator discharge port
Conveying device, the helix transporting device have a closing shell, and front end and slag agitator discharge port are connected to each other blanking port, end
At least provided with a controllable gate open the discharge port that closes, there is helical blade and pressure sensor, closing in closing shell
Have outside shell for driving helical blade device of rotation driving.
Preferably, the helix transporting device uses belt type spiral conveying device.
Optionally, the end of the helix transporting device be equipped with one can open the through-hole that closes, it is detectable by pressure sensor
Whether pressure is in normal condition in helix transporting device shell, and when pressure is in normal condition, then the through-hole is closed；Work as shell
When interior pressure is likely to occur decompression state, then the through-hole is opened and external air pump carries out air pressure maintaining；Work as helix transporting device
Pressure is higher than normal condition in shell, opens discharge port and easily causes slag charge blowout, then the through-hole external pipeline, by slag charge to outlet
Out, when pressure in helix transporting device shell is in normal condition, then discharge port opened.
Optionally, the helix transporting device is being equipped with first pressure sensor at feed inlet, close to discharging
Second pressure sensor is equipped at mouthful.
Optionally, the driving end face of the cutterhead is provided with the grid for preventing major diameter hard rock from entering Tu Cang.
Further, two scum boards, the charging above the slag agitator are symmetrically arranged on each spoke at the cutterhead back
Mouth is from top to bottom open tapered in horn-like.
Optionally, the discharge port of the screw conveyor is by having in erecting straight arranged upper lock gate and tail gates are constituted,
The upper lock gate replaces opening and closing with tail gates.
Optionally, the movable end phase of the hull outside of the helix transporting device and a pair of horizontally disposed telescopic oil cylinder
Affixed, the fixing end of telescopic oil cylinder is installed in the rack of middle shield of shield machine, is moved by the level of telescopic oil cylinder movable end
It is dynamic, realize the horizontal displacement of helix transporting device.
Optionally, multiple peep holes and at least one access hole are additionally provided on the shell of the helix transporting device.
Optionally, the front end radial position of the helix transporting device is equipped with the early gate that a controllable Kai is closed, and works as front brake
When door is closed, the slag charge entered from blanking port can not continue on to discharge port by early gate barrier.
Using the above structure, helix transporting device is horizontally placed on the middle part of cutterhead, and using the belt type spiral of non-stop layer shaft
Conveying device, avoid the blocking that is generated in slag charge transportational process get stuck problem；It, can and due to being additionally arranged pressure sensor
With the pressure value in real-time detection helix transporting device cabin, by slagging tap the control of speed to early gate or discharge port, and/or it is logical
It crosses the through-hole pressure maintaining of helix transporting device or slags tap, can all avoid the blowout of slag charge to greatest extent；Simultaneously in spiral transferring
It send device to need to overhaul or meet with the big geologic structure of water content, then can be returned in time helix transporting device by telescopic oil cylinder
It receives, promotes the service life of helix transporting device.
Detailed description of the invention
Preferably explain that the present invention includes that and its can be carried out as illustrating of providing of non-limitative example,
In addition, the explanation refers to attached drawing, in the accompanying drawings:
Fig. 1 commonly uses TBM Suporting structure deslagging device schematic diagram；
Fig. 2 commonly uses earth pressure balanced shield, EPBS deslagging device schematic diagram；
Fig. 3 cutterhead rear ends structural schematic diagram (opposite with tunneling direction) of the present invention；
Fig. 4 schematic diagram of the anterior shield rotation drive device with slag agitator of the present invention；
The assembling schematic diagram of Fig. 5 cutterhead of the present invention and rotation drive device；
Fig. 6 cutterhead front end face structural schematic diagram (consistent with tunneling direction) of the present invention；
The front view of Fig. 7 deslagging device of the present invention along its length；
The assembling schematic diagram of Fig. 8 deslagging device of the present invention and cutterhead.
Label declaration:
Cutterhead (1), spoke (11), grid (12), bracket flange (13), scum board (2), rotary drive mechanism (3), center are fixed
Portion (31), rotation section (32), slag agitator (4), feed inlet (41), discharge port (42), helix transporting device (5), blanking port (51),
Discharge port (52), upper lock gate (521), tail gates (522), helical blade (53), through-hole (54), peep hole (55), access hole
(57), early gate (56), pressure sensor (6), first pressure sensor (61), second pressure sensor (62), driving device
(7), telescopic oil cylinder (8)
Specific embodiment
Below in conjunction with drawings and the specific embodiments, the present invention will be described in detail.
As shown in Fig. 3-Fig. 8, the invention discloses a kind of Suporting structure deslagging devices of improvement, it includes in cutterhead 1
Back is equipped with multiple flanges 13 from cutterhead 1 with fixed link 131 and drives to outer diameter end in the scum board 2 of radioactivity arrangement, in rotation
3 center fixing part 31 of motivation structure is equipped with the slag agitator 4 of outwardly convex towards the side of cutterhead 1, which has from top to bottom
The through slot being mutually communicated, top are feed inlet 41, and lower section is discharge port 42, pass through 32 band of rotation section of rotary drive mechanism 3
Movable knife disc 1 rotates, and then drives scum board 2 that the dregs in native storehouse is transported to the feed inlet 41 of slag agitator 4；It is further preferred that institute
It states and is symmetrically arranged with two scum boards 2 on each spoke 11 at 1 back of cutterhead, the feed inlet 41 of 4 top of slag agitator is from top to bottom
It is open tapered in horn-like, collecting for the slag charge generated in tunneling process is convenient in design in this way；Simultaneously in the driving end face of cutterhead 1
Be provided with the grid 12 for preventing major diameter hard rock from entering Tu Cang, can prevent so the biggish slag charge of volume fall into slag agitator 4 or
Helix transporting device 5 results in blockage problem.
The helix transporting device 5 being laterally arranged below 4 discharge port 42 of slag agitator, the helix transporting device 5 have an envelope
Closed shell body, front end and 4 discharge port 42 of slag agitator are connected to each other blanking port 51, end at least provided with a controllable gate open
The discharge port 52 closed has helical blade 53 and pressure sensor 6 in closing shell, has outside closing shell for driving spiral shell
53 device of rotation driving 7 of vane piece.It is further preferred that the helix transporting device use belt type spiral conveying device 5, i.e., without
The helix transporting device of Pivot axle can make slag charge be easier to be conveyed by the helical blade of no shaft in this way, without
The blocking of meeting slag charge.
Slag charge blowout is led to the problem of in order to reduce helix transporting device 5 in slag charge transhipment or discharge process, can be adopted
It is realized with following one or more technical solution common combination modes,
Technical solution 1: the end of the helix transporting device 5 be equipped with one can open the through-hole 54 that closes, can by pressure sensor 6
Whether pressure is in normal condition in detection 5 shell of helix transporting device, and when pressure is in normal condition, then the through-hole 54 closes
It closes；When pressure is likely to occur decompression state in shell, then the through-hole 54 is opened and external air pump carries out air pressure maintaining；Work as spiral shell
It revolves pressure in 5 shell of conveying device and is higher than normal condition, open discharge port 52 and easily cause slag charge blowout, then 54 extension tube attached of through-hole
Road discharges slag charge, opens when pressure is in normal condition in 5 shell of helix transporting device, then by discharge port 52.
Technical solution 2: in order to guarantee that in normal tapping process spewing phenomenon does not occur for equipment, then helical feed is required to fill
It is zero that 5 are set in the pressure of discharge port 52 as far as possible, therefore is equipped with first pressure at feed inlet 41 in helix transporting device 5 and senses
Device 61 is equipped with second pressure sensor 62 at discharge port 52, by the way that the two sections of setting pressure sensors 61,62 in front and back are arranged,
It closes on the pressure value into blanking port 51 and discharge port 5 in real-time detection helix transporting device 5, is controlled convenient for equipment operator
The charging and discharging of helix transporting device 5.
Technical solution 3: the discharge port 52 of the screw conveyor is in erect straight arranged upper lock gate 521 under by there is 2
Gate 522 is constituted, and the upper lock gate 521 replaces opening and closing with tail gates 522, makes slag charge pressure controllable when carrying out discharging, is dropped
The probability of happening of low slag charge blowout.
Technical solution 4: the front end radial position of the helix transporting device 5 be equipped with one it is controllable open the early gate 56 that closes,
When early gate 56 is closed, the slag charge entered from blanking port 51 can not continue on to discharge port 52 by the barrier of early gate 56, lead to
It crosses and closes the transport channel of slag charge, and discharge port 52 is prevented to cause slag charge blowout, while the setting of the early gate 56 can be
In tunneling process, when water content is larger, early gate 56 can be closed in time, improves the waterproof performance of equipment.
Optionally, in 81 phase of movable end of the hull outside of helix transporting device 5 and a pair of horizontally disposed telescopic oil cylinder 8
Affixed, the fixing end 82 of telescopic oil cylinder 8 is installed in the rack of middle shield of shield machine, by 8 movable end 81 of telescopic oil cylinder
It moves horizontally, realizes the horizontal displacement of helix transporting device 5, to realize when 5 barrel of helix transporting device is worn and/or preceding
When square water content is larger, helix transporting device 5 can be recycled in time.
For the ease of overhaul helix transporting device 5, be additionally provided on the shell of helix transporting device 5 multiple peep holes 55 and
Manhole 57, observes inner workings through the peep hole 55 convenient for worker, carries out maintenance of equipment and guarantor by manhole 57
It supports.
It should be noted that " first " of the invention, " second " are used for description purposes only, and it should not be understood as instruction or dark
Show relative importance or implicitly indicates the quantity of indicated technical characteristic.The feature of " first ", " second " is defined as a result,
It can explicitly or implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two
It is a or more than two, unless otherwise specifically defined.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (10)
1. a kind of Suporting structure deslagging device of improvement, which is characterized in that be included in the back of cutterhead (1) equipped with multiple from cutterhead
(1) flange (13) with fixed link (131) is to outer diameter end in the scum board (2) of radioactivity arrangement, in rotary drive mechanism (3)
Heart fixed part (31) is equipped with the slag agitator (4) of outwardly convex towards the side of cutterhead (1), which has from top to bottom
The through slot being mutually communicated, top are feed inlet (41), and lower section is discharge port (42), pass through the rotation of rotary drive mechanism (3)
Portion (32) band movable knife disc (1) rotates, and then drives scum board (2) that the dregs in native storehouse is transported to the feed inlet of slag agitator (4)
(41)；It further includes a helix transporting device (5) being horizontally installed below slag agitator (4) discharge port (42), the helical feed
Device (5) has a closing shell, and front end and slag agitator (4) discharge port (42) are connected to each other blanking port (51), and end is at least
Equipped with a controllable gate open the discharge port (52) that closes, there is helical blade (53) and pressure sensor in closing shell
(6), have outside closing shell for driving helical blade (53) device of rotation driving (7).
2. a kind of Suporting structure deslagging device of improvement as described in claim 1, which is characterized in that the helical feed dress
It sets using belt type spiral conveying device (5).
3. a kind of Suporting structure deslagging device of improvement as described in claim 1, which is characterized in that the helix transporting device
(5) end be equipped with one can open the through-hole (54) that closes, can detect in helix transporting device (5) shell by pressure sensor (6)
Whether pressure is in normal condition, and when pressure is in normal condition, then the through-hole (54) is closed；When pressure is possible to send out in shell
When raw decompression state, then the through-hole (54) is opened and external air pump carries out air pressure maintaining；When helix transporting device (5) shell internal pressure
Power is higher than normal condition, opens discharge port (52) and easily causes slag charge blowout, then through-hole (54) external pipeline, by slag charge to outlet
Out, when pressure is in normal condition in helix transporting device (5) shell, then by discharge port (52) open.
4. a kind of Suporting structure deslagging device of improvement as described in claim 1, which is characterized in that the helical feed dress
It sets (5) and is being equipped with first pressure sensor (61) at feed inlet (41), second pressure is being equipped at discharge port (52)
Sensor (62).
5. a kind of Suporting structure deslagging device of improvement as described in claim 1, which is characterized in that the pick of the cutterhead (1)
Inlet side face is provided with the grid (12) for preventing major diameter hard rock from entering Tu Cang.
6. a kind of Suporting structure deslagging device of improvement as described in claim 1, which is characterized in that cutterhead (1) back
Each spoke (11) on be symmetrically arranged with two scum boards (2), the feed inlet (41) above the slag agitator (4) is from top to bottom open
Tapered is in horn-like.
7. a kind of Suporting structure deslagging device of improvement as described in claim 1, which is characterized in that the screw conveyor
Discharge port (52) by have 2 in erecting straight arranged upper lock gate (521) and tail gates (522) are constituted, the upper lock gate (521)
Replace opening and closing with tail gates (522).
8. a kind of Suporting structure deslagging device of improvement as claimed in claim 1 or 2, which is characterized in that the spiral transferring
Send the hull outside of device (5) and movable end (81) Joint of a pair of horizontally disposed telescopic oil cylinder (8), telescopic oil cylinder
(8) fixing end (82) is installed in the rack of middle shield of shield machine, is moved by the level of telescopic oil cylinder (8) movable end (81)
It is dynamic, realize the horizontal displacement of helix transporting device (5).
9. a kind of Suporting structure deslagging device of improvement as described in claim 1, which is characterized in that the helix transporting device
(5) multiple peep holes (55) and at least one access hole (57) are additionally provided on shell.
10. a kind of Suporting structure deslagging device of improvement as described in claim 1, which is characterized in that the helical feed dress
The front end radial position for setting (5) is equipped with the early gate (56) that a controllable Kai is closed, when early gate (56) are closed, from blanking port
(51) slag charge entered can not continue on to scarce material mouth (52) by early gate (56) barrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811594689.XA CN109441477B (en) | 2018-12-25 | 2018-12-25 | Improved slag tapping device of shield equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811594689.XA CN109441477B (en) | 2018-12-25 | 2018-12-25 | Improved slag tapping device of shield equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109441477A true CN109441477A (en) | 2019-03-08 |
| CN109441477B CN109441477B (en) | 2023-10-27 |
Family
ID=65535506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811594689.XA Active CN109441477B (en) | 2018-12-25 | 2018-12-25 | Improved slag tapping device of shield equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109441477B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109882190A (en) * | 2019-04-11 | 2019-06-14 | 中铁工程装备集团有限公司 | A kind of multimode enclosed TBM and its construction method suitable for long mountain tunnel |
| CN110500108A (en) * | 2019-09-24 | 2019-11-26 | 中国电建集团铁路建设有限公司 | A kind of novel balancing earth-pressure shielding machine and working method |
| CN110984996A (en) * | 2020-03-03 | 2020-04-10 | 中国铁建重工集团股份有限公司 | Heading machine and muck conveying device thereof |
| CN111075461A (en) * | 2019-12-31 | 2020-04-28 | 安徽铜都流体科技股份有限公司 | Dual-mode system dumping gate |
| CN112576271A (en) * | 2020-12-09 | 2021-03-30 | 安徽唐兴机械装备有限公司 | Cutter head with rotatable blade plate |
| CN113898368A (en) * | 2021-10-08 | 2022-01-07 | 中国铁建重工集团股份有限公司 | Shield constructs machine and spiral slag discharging system thereof |
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| CN109882190B (en) * | 2019-04-11 | 2020-06-19 | 中铁工程装备集团有限公司 | Multi-mode closed TBM suitable for long and large mountain tunnel and construction method thereof |
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