CN202215251U - Shield machine with central drill system - Google Patents
Shield machine with central drill system Download PDFInfo
- Publication number
- CN202215251U CN202215251U CN2011202811154U CN201120281115U CN202215251U CN 202215251 U CN202215251 U CN 202215251U CN 2011202811154 U CN2011202811154 U CN 2011202811154U CN 201120281115 U CN201120281115 U CN 201120281115U CN 202215251 U CN202215251 U CN 202215251U
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- China
- Prior art keywords
- centre drill
- shield machine
- central drill
- cover
- overcoat
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- Expired - Lifetime
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Abstract
A shield machine with a central drill system comprises a front shield casing, a main cutter disc, an earth cabin, an outlet for cut rock-soil, a spiral conveyer, a sealing system and a driving system. The central drill system is installed at the center of the main cutter disc of the shield machine and comprises a central drill mechanism and a driving system. The central drill mechanism comprises a cutting part, a transmission shaft, an inner sleeve and an outer sleeve. The cutting part is a small cutter disc installed at the center of the main cutter disc, the transmission shaft and a bearing are in the inner sleeve of the central drill, and the outer sleeve is in key connection with the inner sleeve. The driving system comprises a pushing system and a rotating system, the pushing system is composed of a hydraulic cylinder fixed on an end plate of a casing, and a rotating connector of the main cutter disc of the shield machine is connected with the end plate of a casing of the central drill system. By adding the central drill system on the shield machine, the shield machine with the central drill system improves the cutting force of the central part of the cutter disc of the shield machine, improves the capability of the shield machine for overcoming tunneling resistance, saves energy and improves working efficiency.
Description
Technical field
The utility model relates to a kind of shield machine, is specifically related to a kind of shield machine with the centre drill system.
Background technology
Traditional shield machine is because the core linear velocity is little, and the core cutting effect is poor, when especially meeting with geological condition such as hard rock, pan soil condition; Cause tool wear easily and produce the mud cake phenomenon; Shield machine driving resistance is increased, even can't advance, cause operation to incur loss through delay.
The utility model content
The utility model provides a kind of shield machine with the centre drill system, solved shield machine core cutting effect poor, overcome driving pullback capacity low problem.
For realizing above-mentioned purpose, adopt following technical scheme:
A kind of shield machine with the centre drill system; Comprise anterior shield housing, operator dish, Tu Cang, hydraulic rotary joint, the outlet of cutting ground, people's lock, conveying worm, sealing system, drive system; The center of said shield machine operator dish is equipped with the centre drill system, comprises centre drill mechanism and centre drill drive system, and centre drill mechanism comprises cutting tip, power transmission shaft, interior cover and overcoat; Cutting tip is the little cutterhead that is installed in operator disk center; Pocket knife dish end is equipped with hobboing cutter, and during said power transmission shaft and bearing were installed in and overlap in the centre drill, overcoat was connected with interior cover key; Said centre drill drive system is divided into moving system and rotary system; Said moving system is made up of the hydraulic cylinder that is fixed on the centre drill end plate of outer cover; Cover is hinged in the piston rod of hydraulic cylinder and the centre drill, and said rotary system is to be linked to each other with the end plate of outer cover of centre drill system by shield machine operator disc spins joint.
As the prioritization scheme of the utility model, the promotion hydraulic cylinder of said centre drill system adopts the flange form hydraulic cylinder, and it is connected with end plate flanges, and through hole is arranged on the end plate, and the piston rod of hydraulic cylinder and centre drill be interior to overlap that to pass through self-aligning roller bearing hinged.
As further prioritization scheme, the interior cover and the overcoat of said centre drill mechanism are slidingly connected through interior key that puts and the keyway in the overcoat.
As the prioritization scheme in a nearlyer step, overlap in the said centre drill mechanism and overcoat between have multi-sealed.
The utility model is through increase centre drill system on shield machine, and its cutting tip is the small-sized cutterhead that is positioned at operator disk center, and through promotion driving and rotation driving it can be moved forward and backward and rotate; Through the rotating speed of adjusting centre drill and the thrust of centre drill, strengthened the cutting dynamics of cutter head of shield machine core, especially at geological conditions such as hard rock, pan soil conditions; Reduce tool wear and mud cake phenomenon; Improve the ability that overcomes the driving resistance, practiced thrift the energy, improved operating efficiency.
Description of drawings
According to embodiment and accompanying drawing the utility model is done further explain below.
Fig. 1 is the utility model center cutter disc portion cross-sectional view;
Fig. 2 is that centre drill drives generalized section and suitably amplification;
Fig. 3 centre drill operator dish relatively stretches out sketch map;
Fig. 4 is a pocket knife dish sketch map.
Among the figure:
1, anterior shield housing; 2, operator dish; 3, Tu Cangchu cutting ground central outlet; 4, small-sized cutterhead; 5, hobboing cutter; 6, Tu Cang; 7, conveying worm; 8, sealing system; 9, base bearing; 10, reduction box; 11, driven wheel; 12, the main driving; 13, bearing seal end cap; 14, the supporting disk of base bearing; 15, hydraulic rotary joint; 16, hydraulic cylinder; 17, shell end is pulled; 18, key; 19, keyway; 20, cover in the centre drill; 21, centre drill overcoat; 22, multi-sealed; 23, centre drill mechanism driving axle; 24, speed governing hydraulic motor; 25, flight; 26, centre drill mechanism perforate.
The specific embodiment
Shown in Fig. 1 to 4, provided a specific embodiment of the utility model, among the figure; A kind of shield machine with the centre drill system; Comprise hobboing cutter 5, native storehouse 6 on anterior shield housing 1, operator dish 2, Tu Cangchu cutting ground central outlet 3, hydraulic rotary joint 15, the operator dish 2, and be used to carry conveying worm 7, the shield machine of cutting ground sealing system 8 and reduction box 10, mainly drive 12, the supporting disk 14 of base bearing etc., a small-sized cutterhead 4 is installed at the center of operator dish 2; Little hobboing cutter is installed on it; The quantity of little hobboing cutter can change according to the different of native condition with size, and small-sized cutterhead 4 is installed in centre drill mechanism driving axle 23 tops as the cutting position of centre drill system, and the standing part of hydraulic rotary joint 15 is connected with the core of base bearing supporting disk 14; The rotating part of hydraulic rotary joint 15 links to each other with centre drill mechanism shell end plate 17; On the end plate of outer cover 17 through hole is arranged, flange form hydraulic cylinder 16 is installed on the end plate of outer cover 17 through flange, and cover 20 is hinged through self-aligning roller bearing in its piston rod and the centre drill; Centre drill mechanism driving axle 23 is contained in bearing and overlaps in 20 in the centre drill; Keyway 19 is arranged on centre drill overcoat 21, corresponding key 18 is arranged on the cover 20 in the centre drill, both connect through bond structure; And interior cover 20 can endwisely slip along centre drill overcoat 21 and also can rotate synchronously; In be provided with between cover 20 and the centre drill overcoat 21 multi-sealedly 22, power transmission shaft 23 ends are equipped with speed governing hydraulic motor 24 in the centre drill system, it links to each other through cover 20 in reduction box 10 and the centre drill.
When normal driving of shield machine or layout section of jurisdiction; The hydraulic power of high pressure passes to speed governing hydraulic motor 24 by hydraulic rotary joint 15 and makes it to rotate; Driving small-sized cutterhead 4 through power transmission shaft 23 rotates; The hydraulic power of while high pressure also passes to many PF cylinder pressures 16 through hydraulic rotary joint 15 and advances centre drill mechanism to tunnel forward; The dregs that the quilt of cutter head of shield machine center front downcuts gets into native storehouse 6 through perforate 26 parts of centre drill mechanism simultaneously, native slag is transported satisfying under the condition of earth pressure balance.Centre drill mechanism driving axle 23 can adopt segmented or monolithic, adopts segmented to connect through bearing pin, on centre drill mechanism driving axle 23, is welded with flight 25 so that dregs is discharged from the center; The hobboing cutter quantity of the little cutterhead of centre drill can be adjusted according to native condition is different with size.
The utility model passes through increase centre drill system on shield machine, and through promoting to drive and rotate driving that it can be moved forward and backward and rotate, through the rotating speed of adjusting centre drill and the thrust of centre drill; Strengthened the cutting dynamics of cutter head of shield machine core; Especially at geological conditions such as hard rock, pan soil conditions, reduce tool wear and mud cake phenomenon, improved the ability that overcomes the driving resistance; Practice thrift the energy, improved operating efficiency.
Claims (4)
1. shield machine with the centre drill system; Comprise anterior shield housing, operator dish, Tu Cang, hydraulic rotary joint, the outlet of cutting ground, people's lock, conveying worm, sealing system, drive system, it is characterized in that the center of said shield machine operator dish is equipped with the centre drill system; Comprise centre drill mechanism and centre drill drive system; Centre drill mechanism comprises cutting tip, power transmission shaft, interior cover and overcoat, and cutting tip is the little cutterhead that is installed in operator disk center, and pocket knife dish end is equipped with hobboing cutter; During said power transmission shaft and bearing were installed in and overlap in the centre drill, overcoat was connected with interior cover key; Said centre drill drive system is divided into moving system and rotary system; Said moving system is made up of the hydraulic cylinder that is fixed on the centre drill end plate of outer cover; Cover is hinged in the piston rod of hydraulic cylinder and the centre drill, and said rotary system is to be linked to each other with the end plate of outer cover of centre drill system by shield machine operator disc spins joint.
2. a kind of shield machine according to claim 1 with the centre drill system; It is characterized in that the promotion hydraulic cylinder of said centre drill system adopts the flange form hydraulic cylinder, it is connected with end plate flanges; Through hole is arranged on the end plate, and cover is hinged through self-aligning roller bearing in the piston rod of hydraulic cylinder and the centre drill.
3. a kind of shield machine with the centre drill system according to claim 1 is characterized in that, the interior cover and the overcoat of said centre drill mechanism are slidingly connected through interior key that puts and the keyway in the overcoat.
4. a kind of shield machine with the centre drill system according to claim 1 is characterized in that, has multi-sealed in the said centre drill mechanism between cover and the overcoat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202811154U CN202215251U (en) | 2011-08-04 | 2011-08-04 | Shield machine with central drill system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202811154U CN202215251U (en) | 2011-08-04 | 2011-08-04 | Shield machine with central drill system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202215251U true CN202215251U (en) | 2012-05-09 |
Family
ID=46014511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202811154U Expired - Lifetime CN202215251U (en) | 2011-08-04 | 2011-08-04 | Shield machine with central drill system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202215251U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102287201A (en) * | 2011-08-04 | 2011-12-21 | 王茂 | Shield machine with center drill system |
| CN102720509A (en) * | 2012-06-08 | 2012-10-10 | 盾建重工制造有限公司 | Rotary joint of shield machine |
| CN104110262A (en) * | 2014-07-21 | 2014-10-22 | 洛阳理工学院 | Drilling and rolling combination cutter disc structure for TBM (tunnel boring machine) |
| CN105240020A (en) * | 2015-10-29 | 2016-01-13 | 中铁工程装备集团有限公司 | Continuous pipe-jacking device and construction method thereof |
| CN106285709A (en) * | 2016-10-31 | 2017-01-04 | 中铁工程装备集团有限公司 | A kind of eccentric hobboing cutter translation cutterhead for hard rock rectangle cutting section |
| CN110424980A (en) * | 2019-08-28 | 2019-11-08 | 盾构及掘进技术国家重点实验室 | A kind of leading guiding development machine cutterhead excavated for extremely hard rock |
| CN111963185A (en) * | 2020-07-30 | 2020-11-20 | 上海隧道工程有限公司 | Cutter head driving device of hard rock dual-mode center deslagging TBM (tunnel boring machine) |
-
2011
- 2011-08-04 CN CN2011202811154U patent/CN202215251U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102287201A (en) * | 2011-08-04 | 2011-12-21 | 王茂 | Shield machine with center drill system |
| CN102287201B (en) * | 2011-08-04 | 2013-12-04 | 王茂 | Shield machine with center drill system |
| CN102720509A (en) * | 2012-06-08 | 2012-10-10 | 盾建重工制造有限公司 | Rotary joint of shield machine |
| CN104110262A (en) * | 2014-07-21 | 2014-10-22 | 洛阳理工学院 | Drilling and rolling combination cutter disc structure for TBM (tunnel boring machine) |
| CN105240020A (en) * | 2015-10-29 | 2016-01-13 | 中铁工程装备集团有限公司 | Continuous pipe-jacking device and construction method thereof |
| CN106285709A (en) * | 2016-10-31 | 2017-01-04 | 中铁工程装备集团有限公司 | A kind of eccentric hobboing cutter translation cutterhead for hard rock rectangle cutting section |
| CN110424980A (en) * | 2019-08-28 | 2019-11-08 | 盾构及掘进技术国家重点实验室 | A kind of leading guiding development machine cutterhead excavated for extremely hard rock |
| CN110424980B (en) * | 2019-08-28 | 2020-10-20 | 盾构及掘进技术国家重点实验室 | A guide-type entry driving machine blade disc in advance for extremely hard rock excavation |
| CN111963185A (en) * | 2020-07-30 | 2020-11-20 | 上海隧道工程有限公司 | Cutter head driving device of hard rock dual-mode center deslagging TBM (tunnel boring machine) |
| CN111963185B (en) * | 2020-07-30 | 2022-02-01 | 上海隧道工程有限公司 | Cutter head driving device of hard rock dual-mode center deslagging TBM (tunnel boring machine) |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Shield machine with center drill system Effective date of registration: 20121220 Granted publication date: 20120509 Pledgee: Bank of Jiangsu, Limited by Share Ltd, Wuxi Zhenhua branch Pledgor: Wang Mao Registration number: 2012990000830 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20130718 Granted publication date: 20120509 Pledgee: Bank of Jiangsu, Limited by Share Ltd, Wuxi Zhenhua branch Pledgor: Wang Mao Registration number: 2012990000830 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120509 Effective date of abandoning: 20131204 |
|
| RGAV | Abandon patent right to avoid regrant |