CN204663530U - The anti-mud cake device of a kind of shield machine Tu Cang - Google Patents
The anti-mud cake device of a kind of shield machine Tu Cang Download PDFInfo
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- CN204663530U CN204663530U CN201520149855.0U CN201520149855U CN204663530U CN 204663530 U CN204663530 U CN 204663530U CN 201520149855 U CN201520149855 U CN 201520149855U CN 204663530 U CN204663530 U CN 204663530U
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- seamless steel
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Abstract
The utility model discloses the anti-mud cake device of a kind of shield machine Tu Cang, it is characterized in that: this device is by end plate, seamless steel pipe, dividing plate, water injection pipe forms, seamless steel pipe one end is provided with end plate, the other end to be fixed on after anterior shield soil storehouse panel or cutterhead on plate, dividing plate is provided with in the middle part of seamless steel pipe, end plate, part seamless steel pipe, dividing plate constitutes a water storage cavity, water injection pipe is communicated in water storage cavity through plate and dividing plate after anterior shield soil storehouse panel or cutterhead, pass through water injection pipe, can toward water delivery in water storage cavity, the part seamless steel pipe surrounding water storage cavity is provided with multiple weep hole, this device injects water under high pressure in water storage cavity by water injection pipe, water under high pressure directly washes away cutterhead and native storehouse inwall by the weep hole that water storage cavity is arranged, wash out not formed mud cake, increase Inner eycle flow, in time the clay cut is taken away, this device can prevent the formation of native storehouse mud cake effectively, and then improve shield machine drivage efficiency, reduce construction cost.
Description
Technical field
The utility model patent relates to a kind of special engineering machinery of tunnel piercing, especially a kind of anti-mud cake device of Tu Cang of tunnel piercing shield machine.
Background technology
Shield machine, entirely be named as shielding tunnel excavator, a kind of special engineering machinery of tunnel piercing, modern shield excavation machine integrates light, mechanical, electrical, liquid, sensing, information technology, there is excavation cut the soil body, conveying soil quarrel, assembled tunnel lining, measure the functions such as guiding correction, relate to geology, building, machinery, mechanics, hydraulic pressure, electrically, control, the multi-door subject technology such as measurement, and manufacturing and designing of " cutting the garment according to the figure " formula to be carried out according to different geology, reliability requirement is high.Shield excavation machine has been widely used in the construction of tunnel such as subway, railway, highway, municipal administration, water power.With shield machine carry out tunnel construction have automaticity high, save that manpower, speed of application are fast, cavitation, weatherproof, excavation time controllably face sedimentation, reduce on the impact of above ground structure and under water excavation time do not affect the features such as water surface traffic,, buried depth longer at tunnel line is larger, with shield machine construction more economical rationality.
The basic functional principle of shield machine is exactly that a cylindrical steel assembly is pushed ahead while excavate soil along canal axes.The housing of this cylinder component and shield, it plays a part temporary support to the also unlined Tunnel Section excavated, and bears the pressure of soil layer around, sometimes also bears ground water pressure and is kept off outside by underground water.The operations such as excavation, casting, lining cutting are carried out under the shielding of shield.At present, shield machine is plastic, the clay class stratum of hard plastic shape, clayey sandy soil stratum, mud stone, argillaceous siltstoue, parent rock be granite remain soil layer, easily mud cake is formed in the tunneling process of the stratum such as fully weathered rock stratum and strongly weathered sand-rock, particularly shield machine is in clay layer progradation, be easy to produce mud cake, after cutterhead mud cake produces, the dregs that the opening part of cutterhead blocking Tool in Cutting is got off is not entered Tu Cang, in existing technological means, have for cutterhead mud cake cleaning plant or prevent the incrusted device of cutter head of shield machine, but not for the anti-mud cake device of Tu Cang, form mud cake in soil storehouse and also can affect excavation efficiency, it can not be taken away the clay cut in time, mutual bonding and the grinding of the soil body can not be stoped, thus be unfavorable for that the protection of bearing seal and constructor pass in and out Tu Cang from manhole, also be unfavorable for that conveying worm is unearthed.
Utility model content
For the problems of the prior art, the purpose of this utility model to provide the anti-mud cake device of a kind of shield machine Tu Cang, this device both can be fixed on the soil body after cutterhead on plate with the rotation of cutterhead in stir storehouse as activity stirring rod, also can be fixed on inside the bearing sealed ring on the panel of anterior shield soil storehouse as fixing stirring rod.This device can prevent mud lining in native storehouse effectively, thus is conducive to the protection of bearing seal and constructor passes in and out Tu Cang from manhole, is also conducive to conveying worm and is unearthed.
In order to achieve the above object, the technical solution of the utility model is:
The anti-mud cake device of a kind of shield machine Tu Cang, it is characterized in that: this device is by end plate, seamless steel pipe, dividing plate, water injection pipe forms, seamless steel pipe one end is provided with end plate, the other end to be fixed on after anterior shield soil storehouse panel or cutterhead on plate, dividing plate is provided with in the middle part of seamless steel pipe, end plate, part seamless steel pipe, dividing plate constitutes a water storage cavity, water injection pipe is communicated in water storage cavity through plate and dividing plate after anterior shield soil storehouse panel or cutterhead, pass through water injection pipe, can toward water delivery in water storage cavity, the part seamless steel pipe surrounding water storage cavity is provided with multiple weep hole, water in water storage cavity is ejected by weep hole, be beneficial to unearthed, prevent mud lining in native storehouse.
Further, described surround weep hole on the part seamless steel pipe of water storage cavity at two or more, and weep hole is uniformly distributed along seamless steel pipe radial direction, and described end plate is also provided with weep hole.Water under high pressure enters in water storage cavity by water injection pipe; the weep hole that the seamless steel pipe of water storage cavity is arranged directly washes away cutterhead and native storehouse inwall; wash out not formed mud cake; increase Inner eycle flow; in time the clay cut is taken away, stop mutual bonding and the grinding of the soil body, can effectively prevent mud lining in native storehouse; thus be conducive to the protection of bearing seal and constructor passes in and out Tu Cang from manhole, be also conducive to conveying worm and be unearthed.
Further, described end plate, dividing plate and seamless steel pipe weld together, and guarantee that end plate, dividing plate are connected with seamless steel pipe closely, firmly.
Further, the material of described end plate, seamless steel pipe, dividing plate, water injection pipe is common iron Q235A.
Further, the other end of described water injection pipe is provided with high-pressure water valve.
Compared with prior art, the structure of the shield machine Tu Cang anti-mud cake device that the utility model provides is unusual, water under high pressure is injected in water storage cavity by water injection pipe, water under high pressure directly washes away cutterhead and native storehouse inwall by the weep hole that water storage cavity is arranged, wash out not formed mud cake, increase Inner eycle flow, in time the clay cut is taken away, stop mutual bonding and the grinding of the soil body, this apparatus structure is simple, low cost of manufacture, reliability are high, effectively can prevent the formation of native storehouse mud cake, and then improve shield machine drivage efficiency, reduce construction cost.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Accompanying drawing 1 is the structural representation of the anti-mud cake device of the utility model shield machine Tu Cang.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further described.
Embodiment one:
As shown in Figure 1, the anti-mud cake device of a kind of shield machine Tu Cang, this device is made up of end plate 1, seamless steel pipe 2, dividing plate 3, water injection pipe 4, and the material of described end plate 1, seamless steel pipe 2, dividing plate 3, water injection pipe 4 is common iron Q235A, seamless steel pipe 2 one end is welded with end plate 1, the other end to be fixed on after anterior shield soil storehouse panel or cutterhead on plate, dividing plate 3 is welded with in the middle part of seamless steel pipe 2, end plate 1, part seamless steel pipe 2, dividing plate 3 constitutes a water storage cavity 6, water injection pipe 4 is communicated in water storage cavity 6 through plate and dividing plate 3 after anterior shield soil storehouse panel or cutterhead, the other end of water injection pipe 4 is provided with high-pressure water valve 5, by water injection pipe 4, can toward water delivery in water storage cavity 6, the part seamless steel pipe 2 surrounding water storage cavity 6 is provided with two or more weep hole 7, and weep hole 7 is uniformly distributed along seamless steel pipe 2 radial direction, the quantity of weep hole 7 can be two, three, four etc., end plate 1 is also provided with weep hole 7, water in water storage cavity 6 is ejected by weep hole 7, be beneficial to unearthed, prevent mud lining in native storehouse.Water under high pressure enters in water storage cavity 6 by water injection pipe 4; the weep hole 7 that the seamless steel pipe 2 of water storage cavity 6 is arranged directly washes away cutterhead and native storehouse inwall; wash out not formed mud cake; increase Inner eycle flow; in time the clay cut is taken away, stop mutual bonding and the grinding of the soil body, can effectively prevent mud lining in native storehouse; thus be conducive to the protection of bearing seal and constructor passes in and out Tu Cang from manhole, be also conducive to conveying worm and be unearthed.
During embody rule, upper spacer 2 and end plate 1 are welded in the inside of seamless steel pipe 2 and one end place, then water injection pipe 4 is connected on the dividing plate 2 of seamless steel pipe 2 inside, then this device is welded on plate after cutterhead or the suitable position of anterior shield soil storehouse panel, when opening high-pressure water valve 5, water under high pressure enters in water storage cavity 6 by water injection pipe 4, and the water under high pressure in water storage cavity 6 is outwards sprayed by weep hole 7, and then realizes washing away native storehouse inwall and cutterhead.
Be understandable that, above about specific descriptions of the present utility model, the technical scheme described by the utility model embodiment is only not limited to for illustration of the utility model, those of ordinary skill in the art is to be understood that, still can modify to the utility model or equivalent replacement, to reach identical technique effect; Needs are used, all within protection domain of the present utility model as long as meet.
Claims (6)
1. the anti-mud cake device of shield machine Tu Cang, it is characterized in that: this device is by end plate (1), seamless steel pipe (2), dividing plate (3), water injection pipe (4) forms, seamless steel pipe (2) one end is provided with end plate (1), the other end to be fixed on after anterior shield soil storehouse panel or cutterhead on plate, seamless steel pipe (2) middle part is provided with dividing plate (3), end plate (1), part seamless steel pipe (2), dividing plate (3) constitutes a water storage cavity (6), water injection pipe (4) is communicated in water storage cavity (6) through plate and dividing plate (3) after anterior shield soil storehouse panel or cutterhead, the part seamless steel pipe (2) surrounding water storage cavity (6) is provided with multiple weep hole (7).
2. the anti-mud cake device of a kind of shield machine Tu Cang according to claim 1, it is characterized in that: described surround weep hole (7) on the part seamless steel pipe (2) of water storage cavity (6) at two or more, and weep hole (7) is uniformly distributed along seamless steel pipe (2) radial direction.
3. the anti-mud cake device of a kind of shield machine Tu Cang according to claim 1, is characterized in that: described end plate (1), dividing plate (3) and seamless steel pipe (2) weld together.
4. the anti-mud cake device of a kind of shield machine Tu Cang according to claim 1, is characterized in that: the material of described end plate (1), seamless steel pipe (2), dividing plate (3), water injection pipe (4) is common iron Q235A.
5. the anti-mud cake device of a kind of shield machine Tu Cang according to claim 1, is characterized in that: the other end of described water injection pipe (4) is provided with high-pressure water valve (5).
6. the anti-mud cake device of a kind of shield machine Tu Cang according to claim 1, is characterized in that: described end plate (1) is provided with weep hole (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520149855.0U CN204663530U (en) | 2015-03-17 | 2015-03-17 | The anti-mud cake device of a kind of shield machine Tu Cang |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520149855.0U CN204663530U (en) | 2015-03-17 | 2015-03-17 | The anti-mud cake device of a kind of shield machine Tu Cang |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204663530U true CN204663530U (en) | 2015-09-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520149855.0U Expired - Fee Related CN204663530U (en) | 2015-03-17 | 2015-03-17 | The anti-mud cake device of a kind of shield machine Tu Cang |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204663530U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107091099A (en) * | 2017-06-09 | 2017-08-25 | 中国铁建重工集团有限公司 | A kind of jet for noncircular cross section set of tunneling construction aids in shield machine |
| CN107559015A (en) * | 2017-09-15 | 2018-01-09 | 中铁十局集团城市轨道工程有限公司 | The incrusted processing method of shield in the case of one kind does not open a position |
-
2015
- 2015-03-17 CN CN201520149855.0U patent/CN204663530U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107091099A (en) * | 2017-06-09 | 2017-08-25 | 中国铁建重工集团有限公司 | A kind of jet for noncircular cross section set of tunneling construction aids in shield machine |
| CN107091099B (en) * | 2017-06-09 | 2023-07-21 | 中国铁建重工集团股份有限公司 | Jet auxiliary shield machine for non-circular section tunnel tunneling construction |
| CN107559015A (en) * | 2017-09-15 | 2018-01-09 | 中铁十局集团城市轨道工程有限公司 | The incrusted processing method of shield in the case of one kind does not open a position |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150923 Termination date: 20160317 |