CN202164609U - Lengthened ejector - Google Patents
Lengthened ejector Download PDFInfo
- Publication number
- CN202164609U CN202164609U CN2011202765438U CN201120276543U CN202164609U CN 202164609 U CN202164609 U CN 202164609U CN 2011202765438 U CN2011202765438 U CN 2011202765438U CN 201120276543 U CN201120276543 U CN 201120276543U CN 202164609 U CN202164609 U CN 202164609U
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- China
- Prior art keywords
- pipe
- water
- pulp
- slurry
- hole
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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 - Fee Related
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Abstract
A lengthened ejector comprises an ejector connector, a pulp pipe, a lengthened pulp pipe, an air pipe, a water pipe, a water nozzle, an air nozzle, a pulp ejecting hole and a conical head. The pulp pipe, the air pipe and the water pipe are distributed on the same central line and welded on the ejector connector, the pulp pipe is in threaded connection with the lengthened pulp pipe, and the other end of the pulp pipe is in threaded connection with the conical head. The air pipe and the water pipe are respectively provided with an air pipe plugging plate and a water pipe plugging plate in welding mode to form a water channel, an air channel and a pulp channel which are closed mutually. The air nozzle is sleeved outside the water nozzle in coaxial mode and respectively in threaded connection with a water nozzle nut welded on the water pipe and an air nozzle nut welded on the air pipe. A plurality of equidistant pulp hole nuts are arranged on the lengthened pulp pipe, the pulp ejecting hole is in threaded connection with tested pulp hole nuts, and other pulp hole nuts are plugged through screw plugs respectively. The lengthened ejector can be used for conducting pulp ejecting prototype tests and confirming construction technical parameters of different stratums by adjusting relative distance and position of the pulp ejecting hole and the water nozzle of the ejector, thereby being favorable for improving cement content of underground plates and pile bodies.
Description
Technical field
The utility model relates to the special-purpose machines and tools of high pressure jet grouting substance test in a kind of geotechnical engineering, particularly relates to a kind of lengthening ejector.
Background technology
Three-tube type worker's method in the High Pressure Jet Grouting Technique; Be to utilize ground high-pressure hydraulic pump, low pressure air compressor, the mesolow slush pump ejector (shower nozzle) through the grout pipe lower end at underground formation plate, pile body; Its principle is to spray high speed water, gas jet beam by the (operating) water nozzle of ejector and gas jets with axle horizontal; Impact, cutting, the broken peripheral soil body entrainment the perfusion slurry (cement paste) of the slurry spray orifice of (operating) water nozzle bottom ejection, carry simultaneously and be blended into plate, the pile body of material for " cement-soil " with disturbed soil.Yet, ejector at present commonly used, the relative position of (operating) water nozzle and gunniting hole is constant, thereby the plate of some engineer construction, pile body cement factor are low and inhomogeneous.
Constantly in the stratum in priming petock and the slurry; Below high-speed water jet; The mixing mud that constantly forms water, slurry and stratum soil produces and the rightabout backflow of water jet; And pass through grout hole and return ground, under different soil layers and construction parameter, can weaken the carry function of water jet to some extent to cement paste.
The utility model content
The technical problem that the utility model will solve; Provide and a kind ofly can regulate the relative distance of gunniting hole and (operating) water nozzle on the ejector and substance test that jet grouting is carried out in the orientation, confirm the optimal location under Different Strata and the construction technology parameter thereof and the lengthening ejector used.
The technical scheme that adopts is:
A kind of lengthening ejector comprises ejector joint, slurry pipe, lengthening slurry pipe, tracheae, water pipe, (operating) water nozzle, gas jets, gunniting hole and conehead.Sheathed successively tracheae and water pipe and be laid on the same center line in the described slurry pipe; One end of slurry pipe, tracheae and water pipe welds with the ejector joint is concentric respectively; Wherein the other end of slurry pipe is connected with lengthening slurry pipe threaded one end; The lengthening slurry pipe other end is threaded with conehead, and the other end of tracheae is welded with tracheae shutoff plate, and the water pipe other end is welded with water pipe shutoff plate.Said ejector joint screw thread connects known grout pipe, and the high-pressure water pipeline in the grout pipe, low pressure gas pipeline and mesolow slurry pipeline pass through central through hole and the through hole of periphery and aquaporin, gas passage and the slurry passage that water pipe, tracheae and slurry pipe form sealing each other of ejector joint respectively.The gas jets coaxial line is sleeved on outside the (operating) water nozzle; The ejector axis normal of its axis and composition, (operating) water nozzle is connected with the valve nut thread with the water nozzle nut respectively with gas jets, and seals with sealing ring; Water nozzle nut and water pipe connect welding, and valve nut and tracheae and slurry pipe connect welding.The slurry hole nut that supplies gunniting hole to be threaded is arranged on the lengthening slurry pipe with a plurality of, and the equidistant slurry pipe of arranging and extend connects welding between its slurry hole nut, and said gunniting hole is threaded on the slurry hole nut of being surveyed, and all the other slurry hole nuts screw in shutoff with plug.
Above-mentioned slurry pipe is provided with the adjusting washer (disk) of regulating (operating) water nozzle and gunniting hole jet axis relative bearing with lengthening slurry gas thread junction.
The utility model is through regulating gunniting hole and the relative distance of (operating) water nozzle and the substance test that jet grouting is carried out in the orientation on the ejector; Confirm the optimal location under Different Strata and the construction technology parameter, thereby make the underground plate of constructing, stake cement factor height and even.
Description of drawings
Fig. 1 is the structural representation of the utility model.
The specific embodiment
A kind of lengthening ejector comprises ejector joint 2, slurry pipe 3, lengthening slurry pipe 13, tracheae 4, water pipe 7, (operating) water nozzle 23, gas jets 22, gunniting hole 29 and conehead 16.Sheathed successively tracheae 4 is with water pipe 7 and be laid on the same center line in the described slurry pipe 3; One end of slurry pipe 3, tracheae 4 and water pipe 7 respectively with the 2 concentric welding of ejector joint; Wherein the other end of slurry pipe is connected with lengthening slurry pipe 13 threaded one ends; Its threaded connection place is provided with the adjusting washer (disk) 24 of regulating (operating) water nozzle and gunniting hole jet axis relative bearing; Lengthening slurry pipe 13 other ends are threaded with conehead 16, and the other end of tracheae 4 is welded with tracheae shutoff plate 10, and water pipe 7 other ends are welded with water pipe shutoff plate 9.The said ejector joint 2 known grout pipe 1 that is threaded, the high-pressure water pipeline in the grout pipe 1, low pressure gas pipeline and mesolow slurry pipeline form water channel 8, the gas passage 6 of sealing each other and starch passage 5 with water pipe 7, tracheae 4 and slurry pipe 3 through the central through hole 19 of ejector joint 2 and the through hole 18,17 of periphery respectively.Gas jets 22 coaxial lines are sleeved on outside the (operating) water nozzle 23; The ejector axis normal of its axis and composition; (operating) water nozzle 23 is threaded with water nozzle nut 26 and valve nut 21 respectively with gas jets 22; And with sealing ring 25,20 sealings, water nozzle nut 26 connects welding with water pipe 7, and valve nut 21 connects welding with tracheae 4 and slurry pipe 3.A plurality of being arranged on the lengthening slurry pipe 13 such as slurry hole nut 28,30,31,11,14 that supply gunniting hole 29 to be threaded; The equidistant slurry pipe 13 of arranging and extend connects welding between its slurry hole nut; Said gunniting hole 29 is threaded on the slurry hole nut of being surveyed; All the other slurry hole nuts screw in shutoff with plug 27,32,12,15 respectively, constitute a kind of lengthening ejector.
Method of operating
The relative distance and the injection direction that connect a fixing gunniting hole and (operating) water nozzle by design; All the other slurry hole nuts are put into the plug shutoff; Be connected with grout pipe by the ejector joint; And place the set depth of grout hole, and carry out the three-tube type high pressure jet grouting, confirm the optimum distance and the orientation of (operating) water nozzle and slurry spray orifice through the check and analysis of substance test result.
Claims (2)
1. lengthening ejector; Comprise ejector joint (2), slurry pipe (3), lengthening slurry pipe (13), tracheae (4), water pipe (7), (operating) water nozzle (23), gas jets (22), gunniting hole (29) and conehead (16); It is characterized in that in the described slurry pipe (3) sheathed successively tracheae (4) and water pipe (7) and be laid on the same center line; One end of slurry pipe (3), tracheae (4) and water pipe (7) respectively with the concentric welding of ejector joint (2); Wherein the other end of slurry pipe (3) is connected with lengthening slurry pipe (13) threaded one end; Lengthening slurry pipe (13) other end is threaded with conehead (16); The other end of tracheae (4) is welded with tracheae shutoff plate (10); Water pipe (7) other end is welded with water pipe shutoff plate (9), and said ejector joint (2) grout pipe (1) that is threaded, the high-pressure water pipeline in the grout pipe (1), low pressure gas pipeline and mesolow slurry pipeline form aquaporin (8), the gas passage (6) of sealing each other and starch passage (5) with water pipe (7), tracheae (4) and slurry pipe (3) through the central through hole (19) of ejector joint (2) and through hole (18), (17) of periphery respectively; Gas jets (22) coaxial line is sleeved on outside the (operating) water nozzle (23); The ejector axis normal of its axis and composition, (operating) water nozzle (23) and gas jets (22) are threaded with water nozzle nut (26) and valve nut (21) respectively, and with sealing ring (25), (20) sealing; Water nozzle nut (26) connects welding with water pipe (7); Valve nut (21) connects welding with tracheae (4) and slurry pipe (3), and slurry hole nut (28), (31), (11), (14) that supply gunniting hole (29) to be threaded are a plurality of to be arranged on the lengthening slurry pipe (13), and the equidistant slurry pipe (13) of arranging and extend connects welding between its slurry hole nut; Said gunniting hole (29) is threaded on the slurry hole nut of being surveyed, and all the other slurry hole nuts use plug (27), (32), (12), (15) to screw in shutoff respectively.
2. a kind of lengthening ejector according to claim 1 is characterized in that described slurry pipe (3) and lengthening slurry pipe (13) threaded connection place are provided with the adjusting washer (disk) (24) of regulating (operating) water nozzle (23) and gunniting hole (29) jet axis relative bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202765438U CN202164609U (en) | 2011-08-02 | 2011-08-02 | Lengthened ejector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202765438U CN202164609U (en) | 2011-08-02 | 2011-08-02 | Lengthened ejector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202164609U true CN202164609U (en) | 2012-03-14 |
Family
ID=45800448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202765438U Expired - Fee Related CN202164609U (en) | 2011-08-02 | 2011-08-02 | Lengthened ejector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202164609U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102912796A (en) * | 2011-08-02 | 2013-02-06 | 辽宁省水利水电科学研究院 | Lengthened ejector |
| CN103174145A (en) * | 2013-03-15 | 2013-06-26 | 中国水利水电第七工程局有限公司 | Adjustable plug-in slurry injector |
| CN103967014A (en) * | 2014-04-17 | 2014-08-06 | 沈阳农业大学 | Anti-blocking grouting nozzle |
-
2011
- 2011-08-02 CN CN2011202765438U patent/CN202164609U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102912796A (en) * | 2011-08-02 | 2013-02-06 | 辽宁省水利水电科学研究院 | Lengthened ejector |
| CN103174145A (en) * | 2013-03-15 | 2013-06-26 | 中国水利水电第七工程局有限公司 | Adjustable plug-in slurry injector |
| CN103967014A (en) * | 2014-04-17 | 2014-08-06 | 沈阳农业大学 | Anti-blocking grouting nozzle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120314 Termination date: 20120802 |