CN103861751A - Mortar spray gun - Google Patents
Mortar spray gun Download PDFInfo
- Publication number
- CN103861751A CN103861751A CN201210542353.5A CN201210542353A CN103861751A CN 103861751 A CN103861751 A CN 103861751A CN 201210542353 A CN201210542353 A CN 201210542353A CN 103861751 A CN103861751 A CN 103861751A
- Authority
- CN
- China
- Prior art keywords
- mortar
- slurry
- hole
- inlet pipe
- dish
- Prior art date
- 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.)
- Granted
Links
- 239000004570 mortar (masonry) Substances 0.000 title claims abstract description 43
- 239000007921 spray Substances 0.000 title abstract description 17
- 239000002002 slurry Substances 0.000 claims description 51
- 239000011440 grout Substances 0.000 claims description 24
- 230000000903 blocking effect Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 7
- 238000005507 spraying Methods 0.000 abstract description 4
- 239000011241 protective layer Substances 0.000 abstract 1
- 239000011435 rock Substances 0.000 description 9
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/10—Spray pistols; Apparatus for discharge producing a swirling discharge
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/14—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas designed for spraying particulate materials
- B05B7/1481—Spray pistols or apparatus for discharging particulate material
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/105—Transport or application of concrete specially adapted for the lining of tunnels or galleries ; Backfilling the space between main building element and the surrounding rock, e.g. with concrete
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Nozzles (AREA)
Abstract
The invention relates to a mortar spray gun. Existing spray guns are complicated in support equipment, restricted in working efficiency, and short in spraying distance and poor in atomizing effects when spraying mortar on protective layers. The mortar spray gun comprises a gun body, a mortar inlet pipe and a spray nozzle, wherein the mortar inlet pipe is communicated with the gun body. The mortar spray gun is characterized in that the same circumference of the end surface of the gun body is evenly provided with a plurality of mortar outlets, the end portion of the gun body is provided with a fixing unit, and the mortar outlets and the spray nozzle are arranged inside the fixing unit; a mortar distribution disc and a mortar collecting mortar are sequentially arranged between the mortar outlets and the spray nozzle, and the mortar outlets, the mortar distribution disc, the mortar collecting disc and the spray nozzle are communicated with one another; the center of the gun body is provided with a through hole vertical to the end surface of the gun body, an air inlet pipe is arranged inside the first through hole, one end of the air inlet pipe extends out of the gun body and provided with a plug cap, and the other end of the air inlet pipe extends into the fixing unit and is communicated with the mortar distribution disc. The mortar spray gun can be matched with various mortar spray devices and is compact in structure, long in spraying distance and good in atomizing effects.
Description
Technical field
The present invention relates to mortar gun.
Background technology
Under mine, digging need to be used wire netting and bolt anchorage roadway surrounding rock in the time of the tunnel of mining face, strengthen its bearing capacity and prevent fragmented rock inbreak, but anchor pole and wire netting can not prevent the weathering of country rock, need to coordinate the measure of spraying 1-2mm mortar sheath, with sealing country rock surface, isolated air, water contacts with country rock, thereby effectively prevent the surrounding rock failure that weathering deliquescence causes and peel off, make country rock be kept original stable and intensity, the spray gun corollary equipment using is at present loaded down with trivial details, operating efficiency is limited, in the time that sheath is whitewashed, jet length is near, atomizing effect is poor.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of compact conformation, the mortar gun that jet length is far away and atomizing effect can adapt to well.
Technical scheme of the present invention is: mortar gun, comprise rifle body, pulp-inlet pipe and nozzle, described pulp-inlet pipe is connected with rifle body, its special feature is: on the same circumference of described rifle body end face, be evenly equipped with multiple grout outlets, the end of described rifle body is provided with fixture, described grout outlet and nozzle are positioned at fixture, between grout outlet and nozzle, be disposed with dish with slurry and poly-slurry dish, described grout outlet, dish with slurry, poly-slurry dish and nozzle are interconnected, described Qiang Ti center is provided with the first through hole perpendicular to rifle body end face, in described the first through hole, be provided with air inlet pipe, one end of air inlet pipe is stretched out rifle body and is provided with dismountable blocking cap, the other end of air inlet pipe stretches in fixture and is communicated with dish with slurry.
Described nozzle is hollow round table structure, the upper surface of nozzle is parallel with grout outlet, on dish with slurry, be provided with the logical slurry hole corresponding with grout outlet, described grout outlet is connected with logical slurry hole, Pan with slurry center is provided with step through-hole, described step through-hole comprises large through-hole and passage, described air inlet pipe is connected with passage through large through-hole, on described poly-slurry dish, be provided with the tangential groove matching with logical slurry hole, described logical slurry hole is connected with one end of tangential groove, the other end of tangential groove is communicated with the centre bore that is arranged on Ju Jiang disk center, described centre bore is communicated with nozzle upper surface, described air inlet pipe, passage, the upper surface of centre bore and nozzle is positioned on same axis.
Described grout outlet is 6, and described poly-slurry dish is fixed on fixture.
Described fixture is nut, and the end of described nut is provided with the second through hole, and the lower surface of described nozzle stretches out outside nut through the second through hole.
Between described nut and rifle body, be provided with O RunddichtringO, between described air inlet pipe and dish with slurry, be provided with O RunddichtringO.
Compared with prior art, beneficial effect of the present invention is:
1. on the poly-slurry dish of this mortar gun, be provided with tangential groove, tangential groove is communicated with its centre bore, and mortar just can form eddy current shape like this, and nozzle is hollow round table structure, nozzle and poly-slurry dish are used in conjunction with and can make mortar uniformly spray on country rock, and atomizing effect is good.
2. this mortar gun is equipped with breather pipe, and applicable pneumatic spouting plant, reaches multiduty object.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of dish with slurry of the present invention;
Fig. 3 is the structural representation of poly-slurry dish of the present invention.
In figure: 1. rifle body, 2. pulp-inlet pipe, 3. blocking cap, 4. air inlet pipe, 5. fixture, 6. nozzle, 7. dish with slurry, 8. poly-slurry dish, 9. large through-hole, 10. passage, 11. grout outlets, 12. first through holes, 13.O RunddichtringO, 14. second through holes, 15. logical slurry holes, 16. tangential grooves, 17. centre bores.
The specific embodiment
As Fig. 1, shown in 2 and 3, mortar gun of the present invention, comprise rifle body 1, enter pump line 2 and nozzle 6, pulp-inlet pipe 2 and rifle body 1 are connected, on the same circumference of rifle body 1 end face, be evenly equipped with equal-sized grout outlet 11, the end of rifle body 1 is provided with fixture 5, fixture 5 is preferably nut, between nut and rifle body 1, be threaded connection, be provided with the O type circle 13 with sealing function at screw thread place, to prevent the corrosion of mortar double thread, the center of rifle body 1 is provided with the through hole perpendicular to rifle body 1 end face, in described through hole, be provided with air inlet pipe 4, one end of air inlet pipe 4 is stretched out rifle body 1 and is provided with dismountable blocking cap 3, between blocking cap 3 and air inlet pipe 4, be threaded connection, the other end of air inlet pipe 4 stretches in nut and is communicated with dish 7 with slurry.
Grout outlet 11 and nozzle 6 are all positioned at nut, between grout outlet 11 and nozzle 6, be disposed with dish 7 with slurry and poly-slurry dish 8, poly-slurry dish 8 is fixed on nut, nozzle 6 is hollow round table structure, this structure can be controlled fogging degree and the spray regime of mortar, the upper surface of nozzle 6 is parallel with grout outlet 11, on dish 7 with slurry, be provided with the logical slurry hole 15 corresponding with grout outlet 11, grout outlet 11 is connected with logical slurry hole 15, the center of dish 7 with slurry is provided with step through-hole, step through-hole is divided into large through-hole 9 and passage 10, air inlet pipe 4 is connected with passage 10 through large through-hole 9, between air inlet pipe 4 and dish with slurry 7, seal by 0 RunddichtringO 13, prevent the leakage of pneumatic gas in the time using pneumatic whitewashing, on poly-slurry dish 8, be provided with the tangential groove 16 matching with logical slurry hole 15, logical slurry hole 15 is connected with tangential groove 16, tangential groove 16 gathers the centre bore 17 that slurry coils 8 centers and is connected with being arranged on, the lower surface of nozzle 6 stretches out outside nut through the second through hole 14, centre bore 17 is communicated with nozzle 6, air inlet pipe 4, passage 10, centre bore 17 and nozzle 6 are positioned on same axis.
The operation principle of mortar gun of the present invention is: in the time of whitewashing, the mortar being stirred is pressed into the pulp-inlet pipe 2 of spray gun and enters in rifle body 1, in the time gathering mortar in rifle body 1 and have enough pressure, mortar enters the logical slurry hole 15 of dish 7 with slurry under the effect of pressure by grout outlet 11, logical slurry hole 15 is communicated with tangential groove 16, mortar enters the rear remittance centre bore 17 of tangential groove 16 and forms eddy current, then by nozzle 6, mortar is sprayed, and mortar just uniformly sprays on country rock.
If this spray gun is equipped with pneumatic spouting plant, just blocking cap 3 is opened pneumatic spouting plant is connected with air inlet pipe 2, just can use pneumatic spouting plant simultaneously.
In sum, the present invention not only can coordinate multiple spouting plant, and compact conformation, and jet length is far away and atomizing effect is good.
Claims (5)
1. mortar gun, comprise rifle body (1), pulp-inlet pipe (2) and nozzle (6), described pulp-inlet pipe (2) is connected with rifle body (1), it is characterized in that: on the same circumference of described rifle body (1) end face, be evenly equipped with multiple grout outlets (11), the end of described rifle body (1) is provided with fixture (5), described grout outlet (11) and nozzle (6) are positioned at fixture (5), between grout outlet (11) and nozzle (6), be disposed with dish with slurry (7) and poly-slurry dish (8), described grout outlet (11), dish with slurry (7), poly-slurry dish (8) and nozzle (6) are interconnected, described rifle body (1) center is provided with the first through hole (12) perpendicular to rifle body (1) end face, in described the first through hole (12), be provided with air inlet pipe (4), one end of air inlet pipe (4) is stretched out rifle body (1) and is provided with dismountable blocking cap (3), the other end of air inlet pipe (4) stretches in fixture (5) and is communicated with dish with slurry (7).
2. mortar gun according to claim 1, it is characterized in that: described nozzle (6) is hollow round table structure, the upper surface of nozzle (6) is parallel with grout outlet (11), on dish with slurry (7), be provided with the logical slurry hole (15) corresponding with grout outlet (11), described grout outlet (11) is connected with logical slurry hole (15), the center of dish with slurry (7) is provided with step through-hole, described step through-hole comprises large through-hole (9) and passage (10), described air inlet pipe (4) is connected with passage (10) through large through-hole (9), on described poly-slurry dish (8), be provided with the tangential groove (16) matching with logical slurry hole (10), described logical slurry hole (10) is connected with one end of tangential groove (16), the other end of tangential groove (16) is communicated with the centre bore (17) that is arranged on poly-slurry dish (8) center, described centre bore (17) is communicated with nozzle (6) upper surface, described air inlet pipe (4), passage (10), centre bore (17) is positioned on same axis with the upper surface of nozzle (6).
3. mortar gun according to claim 1 and 2, is characterized in that: described grout outlet (11) is 6, and described poly-slurry dish (8) is fixed on fixture (5).
4. mortar gun according to claim 1 and 2, is characterized in that: described fixture (5) is nut, and the end of described nut is provided with the second through hole (14), and the lower surface of described nozzle (6) stretches out outside nut through the second through hole (14).
5. according to the mortar gun described in above claim, it is characterized in that: between described nut and rifle body (1), be provided with O RunddichtringO (13), between described air inlet pipe (4) and dish with slurry (7), be provided with O RunddichtringO (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210542353.5A CN103861751B (en) | 2012-12-14 | 2012-12-14 | mortar gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210542353.5A CN103861751B (en) | 2012-12-14 | 2012-12-14 | mortar gun |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103861751A true CN103861751A (en) | 2014-06-18 |
| CN103861751B CN103861751B (en) | 2016-06-29 |
Family
ID=50901111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210542353.5A Expired - Fee Related CN103861751B (en) | 2012-12-14 | 2012-12-14 | mortar gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103861751B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2600040A (en) * | 1950-01-13 | 1952-06-10 | John J Widmayer | Air gun for applying plaster |
| US3515354A (en) * | 1967-08-21 | 1970-06-02 | Donald R Presson | Spray nozzle |
| CN101232948A (en) * | 2005-05-06 | 2008-07-30 | 迪特尔·沃尔兹 | Spray nozzle, spraying device and method for operating spray nozzle and spraying device |
| CN101291739A (en) * | 2005-08-26 | 2008-10-22 | 喷洒系统公司 | Improved external mix air atomizing spray nozzle assembly |
| CN203044215U (en) * | 2012-12-14 | 2013-07-10 | 陕西火石咀煤矿有限责任公司 | Mortar spray gun |
-
2012
- 2012-12-14 CN CN201210542353.5A patent/CN103861751B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2600040A (en) * | 1950-01-13 | 1952-06-10 | John J Widmayer | Air gun for applying plaster |
| US3515354A (en) * | 1967-08-21 | 1970-06-02 | Donald R Presson | Spray nozzle |
| CN101232948A (en) * | 2005-05-06 | 2008-07-30 | 迪特尔·沃尔兹 | Spray nozzle, spraying device and method for operating spray nozzle and spraying device |
| CN101291739A (en) * | 2005-08-26 | 2008-10-22 | 喷洒系统公司 | Improved external mix air atomizing spray nozzle assembly |
| CN203044215U (en) * | 2012-12-14 | 2013-07-10 | 陕西火石咀煤矿有限责任公司 | Mortar spray gun |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103861751B (en) | 2016-06-29 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160629 Termination date: 20161214 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |