CN2440592Y - Wear-resistant screw rod pump wet jet - Google Patents
Wear-resistant screw rod pump wet jet Download PDFInfo
- Publication number
- CN2440592Y CN2440592Y CN 00221678 CN00221678U CN2440592Y CN 2440592 Y CN2440592 Y CN 2440592Y CN 00221678 CN00221678 CN 00221678 CN 00221678 U CN00221678 U CN 00221678U CN 2440592 Y CN2440592 Y CN 2440592Y
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- Prior art keywords
- screw pump
- wear
- screw rod
- resisting
- screw
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- Expired - Fee Related
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Abstract
The utility model discloses a wet injection machine for abrasion resistant screw pumps. The utility model is formed by the combination of a feeding device (5), a screw pump (4), an injection device and a transmission device (6), wherein, the injection device is formed by the orderly connection of a directional wind booster (2), a material conveying tube (1) and a nozzle (3). the directional wind booster (2) is provided with a directional wind tube which has the same wind outlet direction as the material flow. A screw of the Screw pump (4) uses of the abrasion resistant screw which is formed one time. The utility model has the advantages of abrasion resistance, low cost, long service life and convenient operation, and can be widely used for injection operation of granular materials such as concrete, sand pulp, ore pulp, etc.
Description
The utility model relates to a kind of high concentration conveying screw rod pump wet spraying machine, is used for the injection that high concentrations such as concrete, mortar, ore pulp have granular material.To carry out the wet type concrete, the mortar spraying operation is particularly suitable.
Gunite concrete is the advanced technology of extensive use in the operation such as all kinds of underground development engineerings and ground special engineering both at home and abroad, and spraying machine is the key equipment in this technology.At home, it is several that at present dry type and half wet spraying machine have cylinder pot type, spiral, rotator type etc., wherein, what use in a large number is the rotator type dry spraying machine, and " building machinery service manual " (volume two) P247～P256 that publishes May nineteen ninety as China Construction Industry Press has introduced this equipment.This equipment construction is simple and convenient, use generally, but because the siccative jet velocity is fast, short with the time of water mix in nozzle, cement aquation is abundant inadequately.The dried simultaneously dust concentration height that dusts, rebound degree height.For this reason, researched and developed wet concrete sprayer in recent years both at home and abroad.Ma'an Mountain mine research institute has solved the problem that exists in the dry shotcreting preferably in the WSP-2 type screw pump wet concrete sprayer of the development nineties, several parts such as this equipment mainly contains vibratory sieve, dry mixture conveying device, adds the water agitating device, water supply installation, screw rod transmission pump, accelerator adding set and electric control system are formed, and all parts all are fixed on the base with rail wheel or rubber tire walking.It is low to have dust concentration during with this equipment gunite concrete, and resilience is few, concrete strength is high.But in use find the core screw rod of spraying machine screw pump, the pressure rotation causes the screw rod rapid wear in sandstone, cement admixture, thereby the efficient and the cost of concrete are sprayed in influence.Adopted material such as chromium plating, carbo-nitriding, built-up welding, ni-hard cast iron, rich chromium cast iron, Ni based spray-welded and processing technology to make various screw rods tests once for this reason.Wherein, Ni based spray-welded screw rod effect is better, but the processing technology complexity, cost is higher, quality is unstable.In addition, this equipment also exist complex structure, huge, cost is high, uses problems such as inconvenience.
The purpose of this utility model is exactly in order to solve the above-mentioned problems in the prior art, and provide a kind of wear-resistant, cost is low, long service life, wear-resisting screw pump wet spraying machine easy to use, to enlarge the range of application of wet concrete sprayer.
For achieving the above object, the wear-resisting screw pump wet spraying machine of the utility model by the following technical solutions:
The wear-resisting screw pump wet spraying machine of the utility model is to be combined by charging gear, screw pump, material-spraying device, transmission device four parts.Described charging gear by feed bin, be arranged on the rotating shaft in the feed bin, the helical blade that is installed on the rotating shaft constitutes; The screw rod of described screw pump and the rotating shaft of charging gear are positioned on the same axle, link to each other with transmission device; Described material-spraying device is linked to each other in proper order by directed wind-force boost motor, conveying pipeline, shower nozzle and constitutes; Described directed wind-force boost motor is made of feeding tube, the directed airduct that is loaded on the transport tube, and an end of feeding tube and the discharging opening of screw pump join, and the other end communicates with conveying pipeline.
It is good that the screw rod of above-mentioned screw pump adopts the wear-resisting screw rod of one-shot forming; The air outlet of described directed airduct is positioned on the feeding tube axis, and its air-out direction is consistent with flow direction of material.
Compared with prior art, following advantage is arranged after the wear-resisting screw pump wet spraying machine employing of the utility model technique scheme:
1, the use cost of spraying machine reduction, life-span improve, test shows, at concrete match ratio cement: sand: stone=1: 2: 1, water ash match ratio are under 1: 0.6, stone granularity≤10mm, pump pressure 〉=0.6MPa condition, and its wear-resisting screw rod sprays concrete＞60m service life
3Help applying of wet type concrete spraying technique.
2, adopt wear-resisting screw rod one-shaping technique, the screw rod after the one-shot forming need not carry out machined, and the manufacturing cost of screw rod is significantly reduced, system easy to control the quality, and anti-wear performance improves.
3, it is smooth to adopt directed wind-force boost motor that materials flow is carried, and has reduced windage and has returned the wind phenomenon, helps to alleviate the screw rod wearing and tearing.
For further describing the utility model, the wear-resisting screw pump wet spraying machine of the utility model is described in more detail below in conjunction with drawings and Examples.
Fig. 1 is the wear-resisting screw pump wet spraying machine of the utility model structural nexus figure.
Fig. 2 is the utility model wear-resisting screw pump wet spraying machine charging gear and screw pump partial sectional view.
Fig. 3 is the directed wind-force boost motor of the wear-resisting screw pump wet spraying machine of a utility model cutaway view.
By the wear-resisting screw pump wet spraying machine of the utility model shown in Figure 1 structural nexus figure as can be seen, material-spraying device of the present utility model is that the conveying pipeline 1 that joins by directed wind-force boost motor 2, with directed wind-force boost motor 2 discharging openings, the shower nozzle 3 that is loaded on conveying pipeline 1 exit constitute, and material-spraying device, screw pump 4, charging gear 5 mutual group that is linked in sequence becomes the wear-resisting screw pump wet spraying machine of the utility model.Transmission device 6 adopts motor reducer.
Find out in conjunction with Fig. 1 and by the utility model shown in Figure 2 wear-resisting screw pump wet spraying machine charging gear and screw pump partial sectional view, charging gear 5 by feed bin 15, be arranged on the rotating shaft 14 in the feed bin 15, the helical blade 9 that is installed on the rotating shaft 14 constitutes.One end and the motor reducer 6 of rotating shaft 14 link, and the other end joins by pivot pin and screw rod 7, and screw pump 4 is exactly that the stator 8 that is complementary by screw rod 7, with screw rod 7, the housing 13 that is wrapped in outside the stator 8 constitute.In order to increase the anti-wear performance of screw pump, screw rod 7 adopts the wear-resisting screw rod of one-shot forming, is cast by antiwear high-chromium cast iron.
In conjunction with Fig. 1 and as can be seen by the directed wind-force boost motor of the wear-resisting screw pump wet spraying machine of the utility model shown in Figure 3 cutaway view, directed wind-force boost motor 2 is by feeding tube 16, the directed airduct 12 that is loaded on the feeding tube 16 constitutes, the air port 11 of directed airduct 12 is positioned on the axis of feeding tube 16, can guarantee that like this air-out direction is consistent with defeated material direction, reduce windage and return the wind phenomenon, have to utilize to alleviate screw rod 7 wearing and tearing.The discharging opening 10 and the conveying pipeline 1 of feeding tube 16 join, and the outlet of the other end and screw pump 4 is joined.
The wear-resisting screw pump wet spraying machine of the utility model is in course of injection, and material enters feed bin 15, delivers into wear-resisting screw pump 4 through helical blade 9, and wear-resisting screw pump 4 relies on the be meshing with each other volume-variation convey materials of attaching space of screw rods 7 and stator 8.When the potted line of wear-resisting screw pump 4 suction chambers one end continuously when discharge side one end moves axially, the suction chamber volume is increased, pressure reduces, material enters suction chamber at differential pressure action lower edge charging aperture.Along with the rotation of screw rod 7, the material in the annular seal space moves to discharge side continuously and equably vertically.Because the discharge side volume dwindles gradually, then produces pressure, the material extruding is advanced.Because the material sectional area that moves is a constant,, form the no pulse stationary flow so the material translational speed also is a constant in stator 8.The material of being discharged by wear-resisting screw pump 4 is extruded to 11 places, air port, and the compressed air that this moment, material was directed the orientation ejection that airduct 12 sends here is taken discharging opening 10 out of, through conveying pipeline 1 finally by shower nozzle 3 ejections.
Claims (3)
1, a kind of wear-resisting screw pump wet spraying machine is characterized in that it is to be combined by charging gear (5), screw pump (4), material-spraying device, transmission device (6): described charging gear (5) by feed bin (15), be arranged on the rotating shaft (14) in the feed bin (15), the helical blade (9) that is installed on the rotating shaft (14) constitutes; The screw rod (7) of described screw pump (4) is positioned on the same axle with the rotating shaft (14) of charging gear (5), and rotating shaft (14) is connected with transmission device (6); Described material-spraying device is linked to each other and is constituted by directed wind-force boost motor (2), conveying pipeline (1), shower nozzle (3) order; Described directed wind-force boost motor (2) is made of feeding tube (16), the directed airduct (12) that is loaded on the feeding tube (16), and the discharging opening of an end of feeding tube (16) and screw pump (4) joins, and the other end communicates with conveying pipeline (1).
2, wear-resisting screw pump wet spraying machine as claimed in claim 1 is characterized in that: the air outlet (11) of described directed airduct (12) is positioned on the axis of feeding tube (16).
3, wear-resisting screw pump wet spraying machine as claimed in claim 1 or 2 is characterized in that: the screw rod of described screw pump (7) is the wear-resisting screw rod of one-shot forming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00221678 CN2440592Y (en) | 2000-09-08 | 2000-09-08 | Wear-resistant screw rod pump wet jet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00221678 CN2440592Y (en) | 2000-09-08 | 2000-09-08 | Wear-resistant screw rod pump wet jet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2440592Y true CN2440592Y (en) | 2001-08-01 |
Family
ID=33586539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00221678 Expired - Fee Related CN2440592Y (en) | 2000-09-08 | 2000-09-08 | Wear-resistant screw rod pump wet jet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2440592Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102635372A (en) * | 2012-04-24 | 2012-08-15 | 山东大学 | Liquid accelerating agent supplying device |
| CN102716826A (en) * | 2011-12-31 | 2012-10-10 | 宁波市鄞州云帆工程咨询有限公司 | Rotation flow flushing-and-rising-type uniform sprayer |
| CN104211151A (en) * | 2014-09-02 | 2014-12-17 | 青岛科技大学 | Spraying device of modified clay for control of red tide and spraying method |
| CN112696030A (en) * | 2021-03-23 | 2021-04-23 | 上海建工二建集团有限公司 | Grouting device and construction method for intelligent sleeve with assembled structure |
-
2000
- 2000-09-08 CN CN 00221678 patent/CN2440592Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102716826A (en) * | 2011-12-31 | 2012-10-10 | 宁波市鄞州云帆工程咨询有限公司 | Rotation flow flushing-and-rising-type uniform sprayer |
| CN102716826B (en) * | 2011-12-31 | 2014-09-10 | 宁波江东峻峰医疗器械技术咨询有限公司 | Rotation flow flushing-and-rising-type uniform sprayer |
| CN102635372A (en) * | 2012-04-24 | 2012-08-15 | 山东大学 | Liquid accelerating agent supplying device |
| CN104211151A (en) * | 2014-09-02 | 2014-12-17 | 青岛科技大学 | Spraying device of modified clay for control of red tide and spraying method |
| CN112696030A (en) * | 2021-03-23 | 2021-04-23 | 上海建工二建集团有限公司 | Grouting device and construction method for intelligent sleeve with assembled structure |
| CN112696030B (en) * | 2021-03-23 | 2021-06-01 | 上海建工二建集团有限公司 | Grouting device and construction method for intelligent sleeve with assembled structure |
| WO2022199501A1 (en) * | 2021-03-23 | 2022-09-29 | 上海建工二建集团有限公司 | Intelligent sleeve grouting apparatus for prefabricated structure, and construction method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |