CN201560585U - Discharge device of concrete injecting machine - Google Patents
Discharge device of concrete injecting machine Download PDFInfo
- Publication number
- CN201560585U CN201560585U CN2009202466725U CN200920246672U CN201560585U CN 201560585 U CN201560585 U CN 201560585U CN 2009202466725 U CN2009202466725 U CN 2009202466725U CN 200920246672 U CN200920246672 U CN 200920246672U CN 201560585 U CN201560585 U CN 201560585U
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- water
- nozzle boss
- pipe
- stuff
- concrete
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Abstract
The utility model relates to a discharge device of a concrete injecting machine, which comprises a feeding hose, a nozzle boss and a material injecting pipe, wherein one end of the nozzle boss is connected with the feeding hose, and the other end is connected with the material injecting pipe; a water transporting pipe is connected at the radial position of the nozzle boss; a control valve is arranged on the water transporting pipe; an annular water injecting ring is also assembled in the nozzle boss; water injecting holes are arranged on the annular water injecting ring; the annular water injecting ring is embedded in the nozzle boss; and a water supplying device is also arranged on the feeding hose. When the concrete injecting machine is fed, a switch of the water supplying device is turned on to inject water, and concrete is sufficiently hydrated to be absorbed on sands and stones. Finally, when the concrete is injected, dust in a working area is reduced.
Description
Technical field
The utility model relates to a kind of concrete sprayer, especially refers to a kind of drawing mechanism of concrete sprayer.
Background technology
Extensive use along with the concrete spraying support engineering, concrete sprayer has obtained application more and more widely, in construction, enter the defeated material of spraying machine sebific duct after the material that stirs is pressurizeed by spraying machine, arrive nozzle boss, finally add small amount of moisture at the nozzle boss place and eject via stuff-spraying pipe, this equipment is widely used in tunnel, culvert, subway, hydroelectric project, underground construction and colliery.
The present concrete sprayer that uses, its drawing mechanism primary structure comprises defeated material sebific duct, nozzle boss and stuff-spraying pipe, Fig. 2 is the structural representation of the concrete sprayer drawing mechanism of existing design, as shown in the figure, wherein nozzle boss 202 1 ends connect defeated material sebific duct 201, one end connects stuff-spraying pipe 203, radial position at nozzle boss 202 also has water inlet, water inlet connects water-supply-pipe 204, water-supply-pipe 204 is provided with by-pass valve control 205, stuff-spraying pipe 203 is a cylinder-shaped sleeve, and nozzle boss 202 mounted inside have an annular water ring 203, and water ring 203 is nested in nozzle boss inside, water ring 203 has a plurality of hole for water sprayings 207, the water that enters from water-supply-pipe 204 sprays concrete from hole for water spraying 207, sand and stone are after nozzle boss 202 places mix, from cylindrical stuff-spraying pipe 203 ejections.
The drawing mechanism of above-mentioned concrete sprayer, simplicity of design, easy to loading and unloading, thereby in construction work, obtained using widely, still, the concrete drawing mechanism of above-mentioned design in actual production, has a plurality of shortcomings:
1, it is too many that the working region produces dust.In the construction of shotcrete process, the concrete dust that spray is often too big, causes constructional difficulties and injury for the constructing operation personnel.Because dust is too big, operating personnel must not put on respirator then in order to avoid suck more dust, and in addition, operating personnel are bad to construction working face sight line, and it is unfavorable to constructing operation not see work plane.
2, concrete springback rate height wastes raw material.Because conventional sprayed mortar shower nozzle is the straight tubular of φ 40-50mm, therefore, the concrete that ejects easily takes place discrete and causes rebound degree very high, and is general more than 30%.Resilience is many more, causes waste big more for construction and production.
In order to solve the problems of the technologies described above, need a kind of new design, solve the shortcoming that top dust is many, materials are many.
The utility model content
The technical problems to be solved in the utility model provides a kind of concrete sprayer drawing mechanism that reduces workspace dust and rebound degree, and this technical scheme is as follows:
A kind of concrete sprayer drawing mechanism, comprise defeated material sebific duct, nozzle boss and stuff-spraying pipe, nozzle boss one end connects defeated material sebific duct, one end connects stuff-spraying pipe, and at the radial position connection water-supply-pipe of nozzle boss, water-supply-pipe is provided with by-pass valve control, described nozzle boss inside also is equipped with an annular water ring, have hole for water spraying on the water ring, water ring is nested in nozzle boss inside, also is provided with waterworks on described defeated material sebific duct.
As a kind of preferred, described waterworks, comprise nozzle boss, water ring and water-supply-pipe, the nozzle boss two ends connect defeated material sebific duct, its radial position connects water-supply-pipe, water-supply-pipe is provided with by-pass valve control, and water ring closely is nested in nozzle boss inside, and has a plurality of hole for water sprayings along the water ring circumferencial direction.
As further preferred, described waterworks are arranged on apart from about 10 meters of concrete sprayer concrete outlet.
After having adopted above-mentioned technical scheme, when the concrete sprayer material loading, opening the waterworks switch sprays water, and concrete sprayer is when stopping expecting, then the start or stop waterworks are cut off the water, making dry type or damp formula concrete stir material fully stirs at carrier pipe mesohigh extrusion rolling, concrete is being passed through after carrier pipe mesohigh extrusion rolling fully stirs under the effect of water, make the abundant aquation of concrete all be adsorbed on sand, on the stone, thereby form concrete tide formula particle ball in carrier pipe, when sprayed mortar, operating personnel only need operate nozzle boss water supply control valve door, make when sprayed mortar work plane and do not have dust.
As further improvement, described stuff-spraying pipe is a tapered spiral stuff-spraying pipe, the pipe face coaxial line of this cone-type spiral stuff-spraying pipe and nozzle boss is tightly connected, wherein be welded with a steel wire in stuff-spraying pipe, this steel wire extends along the inwall of stuff-spraying pipe, constitutes spiral awl line.
When sprayed mortar, because stuff-spraying pipe is a pyramidal structure, simultaneously, spiral awl line can make compound along its direction rotation discharging, thereby, greatly reduce the concrete springback rate, in engineering practice, obtained better technical effect.
Description of drawings
Fig. 1 is the structural representation of the utility model concrete sprayer drawing mechanism embodiment;
Fig. 2 is the structural representation of the concrete sprayer drawing mechanism of existing design;
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is done further detailed description,
Fig. 1 is the structural representation of the utility model concrete sprayer drawing mechanism embodiment, as shown in the figure, described concrete sprayer drawing mechanism, comprise a direct thicker defeated material sebific duct 101, nozzle boss 102 and round table-like stuff-spraying pipe 106, wherein, nozzle boss 102 1 ends connect defeated material sebific duct 101, one end connects stuff-spraying pipe 106, and seal respectively in the junction tight, in when work, concrete, sand and stone, enter from defeated material sebific duct 101, and add water in nozzle boss 102 positions and mix, then outside stuff-spraying pipe 106, be ejected on the work plane, wherein at water-supply-pipe 104 of radial position connection of nozzle boss 102, this water-supply-pipe 104 connects external water source, assign to mix concrete in order to transporting water, sand, in the materials such as stone, fully mix can make concrete, and finally be sprayed onto among the work plane.
In this embodiment, on this water-supply-pipe 104, also be provided with a by-pass valve control 105, wherein, by-pass valve control can be the valve of Any shape, in order to the open and close of control water-supply-pipe 104, in addition, this by-pass valve control 105 can be sprayed water by Artificial Control, and, can rely on twisting by-pass valve control 105 to control water yield size, and then the situation of the concrete mixture of control sprinkling.
In addition, in nozzle boss 102 mounted inside one annular water ring 103 is arranged, water ring 103 two ends are sealed by sealing ring, can not reveal in order to guarantee moisture, in an embodiment, this water ring 103 closely is nested in nozzle boss 102 inside, closely contact with the inner tube surface of nozzle boss 102, on this water ring 103 also radially the position evenly have a plurality of hole for water sprayings 112, because it is uniformly that the hole for water spraying that is evenly distributed can guarantee the adding of moisture, has guaranteed the uniformity between the compound, so that compound is evenly mixed at nozzle boss 102 places, and prevented from finally to be ejected into the compound skewness of work plane, cause workmanship not high.
The utility model is at traditional design, too much in order to overcome the work top dust, on defeated material sebific duct 101, also be provided with waterworks, the effect of these waterworks is to carry out the water spray first time to compound, guarantee that compound can mix, in a preferred embodiment, these waterworks comprise nozzle boss 108, water ring 109 and water-supply-pipe 110, wherein, the two ends of nozzle boss 108 connect defeated material sebific duct 101, and seal tight respectively, and the radial position at nozzle boss 108 connects water-supply-pipe 110, water-supply-pipe 110 is provided with by-pass valve control 111, among the embodiment, this by-pass valve control 111 is closed idle the time, in work, this valve keeps normally open, and twisting by-pass valve control 111, can control the water yield that will add, as a kind of water injector, described water ring 109 closely is nested in nozzle boss 108 inside, and evenly have a plurality of hole for water sprayings 113 along the water ring circumferencial direction, so that compound is evenly mixed at nozzle boss 102 places, finally prevented from finally to be ejected into the compound skewness of work plane, cause workmanship not high.
As a kind of waterworks, need be placed on a more suitable position, in a preferred embodiment, described waterworks are arranged on apart from about 10 meters of concrete sprayer concrete outlet, in the waterworks both sides, distributing connects two conveying pipelines, and waterworks are arranged on this position, and concrete, sand and stone can be given sufficient incorporation time, Zhongdao nozzle boss position can access sufficient mixing.
In addition, confluent also will be controlled at certain ratio, in optimized technical scheme, generally controls the 30-40% that its water yield is the sprayed mortar water total amount.
When the concrete sprayer material loading, open the waterworks switch and spray water, and concrete sprayer is when stopping expecting, then the start or stop waterworks are cut off the water, and in the concrete sprayer material loading, the by-pass valve control of these waterworks is often opened.
This concrete mixes the purpose of twice water, be to utilize the concrete shell principle of making to reach the purpose that reduces dust, promptly in construction, the operation control valve door adds water and concrete, sand and stone stir, under mechanical force and intermolecular attraction force acts, make whole concrete evenly be wrapped in sand, stone surface, since passed through twice add the water process, concrete material is passing through after transferring adhesive tape mesohigh extrusion rolling fully stirs under the effect of water, sufficient hydration reaction takes place in concrete, thereby does not have unnecessary concrete dust.
The abundant aquation of concrete all is adsorbed on sand, the stone, thereby in transferring adhesive tape, form concrete tide formula particle ball, and, when sprayed mortar, operating personnel only need operate shower nozzle place water supply control valve door, and then do not occur dust basically when spraying, and the concrete surface after the injection is smooth, work plane and do not have dust, no obvious crack, sclerosis back.
As further improvement, described stuff-spraying pipe 106, it is a tapered spiral stuff-spraying pipe, stuff-spraying pipe is from diminishing gradually with nozzle boss position diameter, and wherein, stuff-spraying pipe 106 is tightly connected with the pipe face coaxial line of nozzle boss 102, in addition, be welded with a steel wire 107 in stuff-spraying pipe 102, this steel wire 107 extends along the inwall of stuff-spraying pipe 106, constitutes spiral awl line structure.
Preferred this spiral awl line structure is a Rifle line structure, in material spray, compound can be outside helix structure screws out stuff-spraying pipe, when making, can take following method to make, at first, the expanded view of on steel plate, drawing round platform formula stuff-spraying pipe, at cold drawn wire of the welding of diagonally opposing corner up and down of the expanded view of this stuff-spraying pipe, then stuff-spraying pipe is rolled into round platform formula stuff-spraying pipe, and welds this connection with welding rod and stitch then, simultaneously, the upper end of stuff-spraying pipe and the welding of wind band connecting bolt, after above-mentioned work was finished, this truncated cone-shaped taper stuff-spraying pipe completed.
Preferably, this stuff-spraying pipe with nozzle boss position contacting place diameter be 50mm, the shower nozzle of stuff-spraying pipe goes out end and is diameter 40mm, welds with connecting bolt with the nozzle boss contact position.
This utility model is through after the above-mentioned improvement, when sprayed mortar, because the pyramidal structure of stuff-spraying pipe 106 for narrowing down gradually, therefore in material spray, can be not such with traditional cylindrical stuff-spraying pipe, a lot of wastage of material is arranged, add that steel wire 107 has constituted spiral awl line, can make the direction rotation discharging of compound, can control the spray rate and the direction of concrete mixture more easily along this awl line, thereby, above-mentioned design can reduce the concrete springback rate greatly, simultaneously, also can further reduce the appearance of dust, in engineering practice, obtained better technical effect.
Should be noted that; under above-mentioned instruction of the present utility model; those skilled in the art can carry out various improvement and distortion on the basis of the foregoing description; and these improvement and distortion; simple change etc. do not influence the enforcement of the invention yet, all drop in the protection domain of the present utility model, and those skilled in the art should be understood that; above-mentioned specific descriptions are just better explained the purpose of this utility model, and protection domain of the present utility model is limited by claim and equivalent thereof.
Claims (4)
1. concrete sprayer drawing mechanism, comprise defeated material sebific duct, nozzle boss and stuff-spraying pipe, nozzle boss one end connects defeated material sebific duct, and an end connects stuff-spraying pipe, at the radial position connection water-supply-pipe of nozzle boss, water-supply-pipe is provided with by-pass valve control, described nozzle boss inside also is equipped with an annular water ring, has hole for water spraying on the water ring, and water ring is nested in nozzle boss inside, it is characterized in that, on described defeated material sebific duct, also be provided with waterworks.
2. concrete sprayer drawing mechanism as claimed in claim 1 is characterized in that,
Described waterworks comprise nozzle boss, water ring and water-supply-pipe, and the nozzle boss two ends connect defeated material sebific duct, its radial position connects water-supply-pipe, water-supply-pipe is provided with by-pass valve control, and water ring closely is nested in nozzle boss inside, and has a plurality of hole for water sprayings along the water ring circumferencial direction.
3. concrete sprayer drawing mechanism as claimed in claim 2 is characterized in that,
Described waterworks are arranged on the position apart from 10 meters of concrete sprayer concrete outlet.
4. concrete sprayer drawing mechanism as claimed in claim 1 is characterized in that,
Described stuff-spraying pipe is a tapered spiral stuff-spraying pipe, and the pipe face coaxial line of this cone-type spiral stuff-spraying pipe and nozzle boss is tightly connected, and wherein is welded with a steel wire in stuff-spraying pipe, and this steel wire extends and formation spiral awl line structure along the inwall of stuff-spraying pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202466725U CN201560585U (en) | 2009-10-30 | 2009-10-30 | Discharge device of concrete injecting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202466725U CN201560585U (en) | 2009-10-30 | 2009-10-30 | Discharge device of concrete injecting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201560585U true CN201560585U (en) | 2010-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202466725U Expired - Lifetime CN201560585U (en) | 2009-10-30 | 2009-10-30 | Discharge device of concrete injecting machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN201560585U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102454409A (en) * | 2011-12-26 | 2012-05-16 | 中国矿业大学 | Spirally-driven material taking device for mining truck |
| CN105756688A (en) * | 2016-04-13 | 2016-07-13 | 中铁十六局集团北京轨道交通工程建设有限公司 | Sprayer device and construction method for improving concrete spraying quality |
| CN109899090A (en) * | 2019-03-25 | 2019-06-18 | 山东科技大学 | A kind of remote dustless concrete sprayer |
| CN112554566A (en) * | 2020-11-18 | 2021-03-26 | 南京弘图华智科技有限公司 | Dry-spraying concrete spray gun with intelligent positioning, pressure control and stirring functions |
-
2009
- 2009-10-30 CN CN2009202466725U patent/CN201560585U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102454409A (en) * | 2011-12-26 | 2012-05-16 | 中国矿业大学 | Spirally-driven material taking device for mining truck |
| CN102454409B (en) * | 2011-12-26 | 2013-10-30 | 中国矿业大学 | Spirally-driven material taking device for mining truck |
| CN105756688A (en) * | 2016-04-13 | 2016-07-13 | 中铁十六局集团北京轨道交通工程建设有限公司 | Sprayer device and construction method for improving concrete spraying quality |
| CN105756688B (en) * | 2016-04-13 | 2018-08-21 | 中铁十六局集团北京轨道交通工程建设有限公司 | A kind of ejecting device and construction method improving concrete ejection quality |
| CN109899090A (en) * | 2019-03-25 | 2019-06-18 | 山东科技大学 | A kind of remote dustless concrete sprayer |
| WO2020191923A1 (en) * | 2019-03-25 | 2020-10-01 | 山东科技大学 | Long-distance dust-free shotcrete machine |
| CN109899090B (en) * | 2019-03-25 | 2020-12-08 | 山东科技大学 | Remote dustless concrete sprayer |
| CN112554566A (en) * | 2020-11-18 | 2021-03-26 | 南京弘图华智科技有限公司 | Dry-spraying concrete spray gun with intelligent positioning, pressure control and stirring functions |
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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: CHINA HUAYE TECHNOLOGY AND INDUSTRY GROUP CO., LTD Free format text: FORMER OWNER: MCC HUAYE RESOURCES DEVELOPMENT CO., LTD. Effective date: 20101206 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100176 TOWER B2, NO.1, KANGDING STREET, BEIJING ECONOMIC AND TECHNOLOGICAL DEVELOPMENT ZONE, BEIJING TO: 100176 TOWER B2, NO.1, KANGDING STREET, ECONOMIC AND TECHNOLOGICAL DEVELOPMENT ZONE, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20101206 Address after: 100176 block B2, 1 Kangding street, Beijing economic and Technological Development Zone Patentee after: China Huaye Technology and Industry Group Co., Ltd. Address before: 100176, No. 1, Kangding street, Beijing economic and Technological Development Zone, Beijing, B2 Patentee before: MCC Huaye Resources Development Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20100825 |
|
| CX01 | Expiry of patent term |