CN2615466Y - Central shaft high-pressure water apparatus of screw for rectangular earth pressure balance push bench - Google Patents
Central shaft high-pressure water apparatus of screw for rectangular earth pressure balance push bench Download PDFInfo
- Publication number
- CN2615466Y CN2615466Y CN 03256966 CN03256966U CN2615466Y CN 2615466 Y CN2615466 Y CN 2615466Y CN 03256966 CN03256966 CN 03256966 CN 03256966 U CN03256966 U CN 03256966U CN 2615466 Y CN2615466 Y CN 2615466Y
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- CN
- China
- Prior art keywords
- central shaft
- water
- pressure water
- machine barrel
- helical blade
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- Screw Conveyors (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
A rectangle soil pressure balance push bench and screw mechanism central shaft water under high-pressure device comprises a shell of the push bench, a cutting mechanism of the shell head, a propelling mechanism on back of the cutting mechanism and a spiral soil transport mechanism supported in the shell longitudinal direction, the spiral soil transport mechanism comprises a cylinder, a cylinder support, a central shaft with helical blade in the cylinder, an actuating mechanism and a soil outlet, the back end portion of the central shaft is connected with the rotating connection, the rotating connection is connected with the water injection gap and then with the high pressure water pump, the waterway cavity is communicated from the central shaft, the rotating connection and the water injection gap to the water outlet of the high pressure water pump, at least a water injection gap is communicated with the cavity in the central shaft on the back of the helical blade root, which is capable of effectively resolving the technique question that the helical blade is adhered to mud forming the mud column and cannot discharge soil smoothly, which is applicable to viscosity, sandy clay, sand, dryness of sand below 30 percent (maximum granular size 120m m) or the electric power pipe of the water-bearing stratum, the underground pipe line joint trench and the street crossing genuine non-excavation construction.
Description
Technical field
The utility model relates to the defeated native machine of spiral of a kind of construction equipment of non-excavating underground pipe line, particularly a kind of push-bench.
Background technique
At present, push-bench has been widely used in the non-excavating underground pipe line, existing push-bench comprises cutting mechanism, motor, the driving mechanism that cutting mechanism connects later of casing, casing head and is supported in the casing defeated native mechanism of spiral longitudinally that the defeated native mechanism of its spiral comprises central shaft, driving mechanism and the soil-discharging port of machine barrel, machine barrel supporting element, the inner band of machine barrel helical blade.When running into the soil body of cohesive soil, sand clay, sandy soil or aquifer water-bearing stratum, helical blade usually takes place and is formed mud post, the situation of casting smoothly by the earth adhesion in the defeated native machine of spiral.
Technology contents
The purpose of this utility model provides a kind of rectangle earth pressure balance push-bench screw conveyer central shaft high-pressure water device, solves helical blade and is formed mud post, the technical problem of casting smoothly by the earth adhesion.
The technological scheme of the utility model rectangle earth pressure balance push-bench screw conveyer central shaft high-pressure water device: the casing that comprises push-bench, the cutting mechanism of casing head, the motor that cutting mechanism connects later, driving mechanism and be supported in the casing defeated native mechanism of spiral longitudinally, the defeated native mechanism of its spiral comprises machine barrel, the machine barrel supporting element, the central shaft of the inner band of machine barrel helical blade, driving mechanism and soil-discharging port, it is characterized in that: the rearward end of central shaft connects swivel coupling, swivel coupling connects water filling hole and connects high-pressure water pump again, from central shaft, swivel coupling, water injection hole is communicated with the water route cavity to the water outlet of high-pressure water pump, and the cavity in central shaft is communicated with at least one water injection hole in helical blade root back.
Above-mentioned machine barrel supporting element is made up of the ball pivot of machine barrel front portion and the hinged suspension bracket at machine barrel rear portion.
Water injection hole of each pitch distribution of above-mentioned helical blade.
The aperture of above-mentioned water injection hole is 4-6mm.
Be connected with pipeline between above-mentioned water filling hole and the high-pressure water pump.
Beneficial effect: the utility model rectangle earth pressure balance push-bench screw conveyer central shaft high-pressure water device is used to destroy the high pressure water of earth and blade adhesive layer to helical blade with being transferred to annotate between material by high-pressure water pump, swivel coupling and at a plurality of water injection holes that are provided with on the central shaft, can prevent effectively that helical blade from being formed the mud post by the earth adhesion, guarantee the defeated smooth casting of native machine of spiral.Be applicable to that viscosity, sand are sticking, power pipe, underground utility common trench, the pedestrian underpass non-excavating construction of grittiness, 30% following sand ovum (maximum particle diameter 120mm) dryness or aquifer water-bearing stratum.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of the defeated native machine of spiral at independent state.
Among the figure: 1-water filling hole, 2-swivel coupling, 3-driving mechanism, 4-soil-discharging port, the hinged suspension bracket of 5-, 6-machine barrel, 7-ball pivot, 8-water injection hole, 9-helical blade, 10-casing, 11-cutting mechanism, 12-driving mechanism, the defeated native machine of 13-spiral, 14-motor.
Embodiment
This rectangle earth pressure balance push-bench screw conveyer central shaft high-pressure water device as shown in Figure 1, it comprises cutting mechanism 11, motor 14, the driving mechanism 12 that cutting mechanism connects later of casing 10, the casing head of push-bench and is supported in the casing defeated native mechanism 13 of spiral longitudinally.
As shown in Figure 2, the defeated native mechanism of its spiral comprises inner central shaft, driving mechanism 3 and the soil-discharging port 4 of being with helical blade 9 of machine barrel 6, machine barrel supporting element, machine barrel of the defeated native machine of spiral, and above-mentioned machine barrel supporting element is made up of the ball pivot 7 of machine barrel front portion and the hinged suspension bracket 5 at machine barrel rear portion.The rearward end of its central shaft connects swivel coupling 2, and swivel coupling connects water filling hole 1 and connects high-pressure water pump again, also can be connected with pipeline between water filling hole and the high-pressure water pump.Be communicated with the water route cavity from central shaft, swivel coupling, water injection hole to the water outlet of high-pressure water pump, the cavity in helical blade root back in central shaft is communicated with water injection hole 8, and at water injection hole 8 of each pitch distribution of helical blade, the aperture of water injection hole is 4-6mm.
The defeated native machine of spiral can be applied to various push-bench, also can break away from the conveying that push-bench is used for sticking wet type material separately.
Claims (5)
1, a kind of rectangle earth pressure balance push-bench screw conveyer central shaft high-pressure water device, the casing that comprises push-bench, the cutting mechanism of casing head, the driving mechanism of cutting mechanism back and be supported in the casing defeated native mechanism of spiral longitudinally, the defeated native mechanism of its spiral comprises machine barrel, the machine barrel supporting element, the central shaft of the inner band of machine barrel helical blade, driving mechanism and soil-discharging port, it is characterized in that: the rearward end of central shaft connects swivel coupling, swivel coupling connects water filling hole and connects high-pressure water pump again, from central shaft, swivel coupling, water injection hole is communicated with the water route cavity to the water outlet of high-pressure water pump, and the cavity in central shaft is communicated with at least one water injection hole in helical blade root back.
2, rectangle earth pressure balance push-bench screw conveyer central shaft high-pressure water device as claimed in claim 1, it is characterized in that: described machine barrel supporting element is made up of the ball pivot of machine barrel front portion and the hinged suspension bracket at machine barrel rear portion.
3, rectangle earth pressure balance push-bench screw conveyer central shaft high-pressure water device as claimed in claim 1 is characterized in that: water injection hole of each pitch distribution of described helical blade.
4, rectangle earth pressure balance push-bench screw conveyer central shaft high-pressure water device as claimed in claim 1, it is characterized in that: described water filling aperture is 4-6mm.
5, rectangle earth pressure balance push-bench screw conveyer central shaft high-pressure water device as claimed in claim 1 is characterized in that: be connected with pipeline between described water filling hole and the high-pressure water pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03256966 CN2615466Y (en) | 2003-05-22 | 2003-05-22 | Central shaft high-pressure water apparatus of screw for rectangular earth pressure balance push bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03256966 CN2615466Y (en) | 2003-05-22 | 2003-05-22 | Central shaft high-pressure water apparatus of screw for rectangular earth pressure balance push bench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2615466Y true CN2615466Y (en) | 2004-05-12 |
Family
ID=34254077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03256966 Expired - Lifetime CN2615466Y (en) | 2003-05-22 | 2003-05-22 | Central shaft high-pressure water apparatus of screw for rectangular earth pressure balance push bench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2615466Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103410521A (en) * | 2013-08-26 | 2013-11-27 | 镇江安达煤矿专用设备有限公司 | Water sprayer for tube push bench |
| CN106402491A (en) * | 2016-10-25 | 2017-02-15 | 韶关市铁友建设机械有限公司 | Double-output cutting machine head with planetary mechanism |
-
2003
- 2003-05-22 CN CN 03256966 patent/CN2615466Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103410521A (en) * | 2013-08-26 | 2013-11-27 | 镇江安达煤矿专用设备有限公司 | Water sprayer for tube push bench |
| CN106402491A (en) * | 2016-10-25 | 2017-02-15 | 韶关市铁友建设机械有限公司 | Double-output cutting machine head with planetary mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING MUNICIPAL ENGINEERING RESEARCH ACADEMY; P Free format text: FORMER OWNER: BEIJING MUNICIPAL ENGINEERING RESEARCH ACADEMY Effective date: 20070824 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20070824 Address after: 100037, Beijing, Xicheng District, 3 Mega Street Co-patentee after: Beijing Municipal Building Group Co., Ltd. Patentee after: Municipal Engineering Inst. of Beijing Address before: 100037, Beijing, Xicheng District, 3 Mega Street Patentee before: Municipal Engineering Inst. of Beijing |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20130522 Granted publication date: 20040512 |