CN206570812U - A kind of material guide mechanism of wet concrete sprayer - Google Patents
A kind of material guide mechanism of wet concrete sprayer Download PDFInfo
- Publication number
- CN206570812U CN206570812U CN201720026064.8U CN201720026064U CN206570812U CN 206570812 U CN206570812 U CN 206570812U CN 201720026064 U CN201720026064 U CN 201720026064U CN 206570812 U CN206570812 U CN 206570812U
- Authority
- CN
- China
- Prior art keywords
- passage
- turbulated tube
- guide mechanism
- material guide
- wet concrete
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of material guide mechanism of wet concrete sprayer, the material guide mechanism of the wet concrete sprayer includes passage, the turbulated tube of generation turbulent flow effect and the return duct being arranged on outside passage in passage, the turbulated tube is arranged on the top of guide inside pipe wall, the return duct is connected through passage with turbulated tube, the other end of the return duct is communicated to the watering of turbulated tube, channel interior cleaning is thorough after the completion of being difficult plugging, operation in transmitting procedure with Wet-type concrete, is difficult the advantage of attachment accumulation.
Description
Technical field
The utility model is related to a kind of gunite concrete field, more particularly to a kind of material guiding machine of wet concrete sprayer
Structure.
Background technology
Concrete sprayer is mainly entered concrete along feeding pipe continuous conveying through punishment in advance chamber using compressed air, and
It is ejected into the machinery that construction surface gets on.It is divided to dry spraying machine and the class of wet spraying machine two.It is widely used in underground engineering, water power work
The construction of shotcrete operations such as journey, well tunnel, culvert.
What wet type entered spraying machine is the concrete mix added water.Dust content is low in thus spraying, springback capacity
Reduce, be preferable spray regime, a kind of concrete spray disclosed in CN202707077U Chinese patent such as Authorization Notice No.
Machine is penetrated, it includes spiral agitator, material density change storehouse, injection apparatus, spiral agitator changes through material density
Storehouse is simultaneously welded as a whole with material density change storehouse；The lower section in material density change storehouse is provided with injection apparatus.
But as the problem of it is present with existing technology, wet concrete is easy in course of conveying in expects pipe Lu Zhongning
Knot, results in blockage, cleaning trouble.
Utility model content
The purpose of this utility model is to provide a kind of material guide mechanism of wet concrete sprayer, which solves concrete wet
Method injection is easy to the problem of guide pipeline condenses.
Above-mentioned technical purpose of the present utility model technical scheme is that：
A kind of material guide mechanism of wet concrete sprayer, including passage, in passage produce turbulent flow impact it is disorderly
Flow tube and the return duct being arranged on outside passage, the turbulated tube are arranged on the top of guide inside pipe wall, and the return duct is worn
Cross passage to connect with turbulated tube, the other end of the return duct is communicated to the watering of turbulated tube.
Using said structure, passage is the main thoroughfare of the conveying of wet concrete, turbulated tube conveying clear water or turbidity
Relatively low water, constantly impact is produced in course of conveying to the wet concrete of flowing, so that constantly in the flow field of mixed liquor
Produce small whirlpool so that the mixed liquor originally in laminar flow or transition flow turns into turbulence state, it is to avoid managed in transmitting procedure
Concrete attachment at wall is condensed, and the water that water and water coke slurry unnecessary in turbulated tube is returned in turbulated tube can be followed by return duct
Loopback flow to the source of the water supply of turbulated tube, to reduce the extra increased water content of wet concrete, and reaches following for water resource
Ring is utilized；In addition, after concrete ejection work is completed, can be effectively in many of passage using the water slug of turbulated tube
Go out and the inwall of passage is rinsed, compared to the mode for flushing of being poured water from port, greatly lift developing result, it is effectively slow
Solution, or even the blockage problem of wet sprayed concrete is eliminated to a certain extent.
More preferably：The turbulated tube is uniformly arranged below with multiple angles, and the center of each angle is consolidated
Surely there is generation piece, the diameter of the generation piece is identical with the internal diameter of turbulated tube, the center for occurring piece is provided with connection turbulated tube
The compensation hole of internal pipeline.
Using said structure, the structure of similar nozzle is formd between angle and generation piece, the water of turbulated tube is in turbulated tube
When upper flowing, because frequently by the stop and shock for occurring piece so that most of water passes through angle to conveying from turbulated tube
The denseness that pipe produces subduction, especially wet concrete is larger, relative to the quick transmission of water in turbulated tube, in passage
The relative turbulated tube formation of meeting is similar to the phenomenon deposited, and local pressure drag increases, now the mixed liquor of the middle and upper part of muddy water mixed solution
It is intended to change because of blocking and walks turbulated tube, now the underriding fluid just and at nozzle produces shock, forms stronger turbulent flow, so that
Wet concrete, all the time in chaotic turbulence state, is difficult to be attached on tube wall in transmitting procedure.
More preferably：The notch depth of the angle is until the center of turbulated tube.
Using said structure, notch depth determines the turbulence intensity produced after fluid impact, and size incision and its depth are too
It is small fluid underriding angle deflection to be caused vertical, and Fluid Volume is small, it is impossible to play suitable percussion；Size incision and its depth
Degree too conference causes pressure difference not enough, and the impact fluid of generation is not strong enough, or even produces the situation that sewage squeezes into turbulated tube；And otch
Depth is until current stabilization tube hub is then balancing at this 2 points very well so that the underriding of generation interference fluid angle is suitable and intensity compared with
Height, the bank of fabulous fluff packing is eliminated and blocked.
More preferably：Filter screen is provided with the opening of the angle.
Using said structure, the particulate matter of Wet-type concrete is prevented, it is to avoid it enters turbulated tube and turbulated tube produced stifled
Plug.
More preferably：More preferably：To the two/3rds of a diameter of generation piece diameter in the compensation hole
/ mono-.
Using said structure, the effect in compensation hole is the connection of turbulated tube fluid passage, in order to ensure circulation compensation hole
Aperture, which can not be less than, occurs 1/3rd of piece diameter, while the generation piece where compensating hole is to stop fluid, hits to change
Fluid direction forms the part of turbulent flow, and the viscosity of wet concrete is larger, and the impact turbulent of demand is larger, so occurring
Piece diameter can not be more than 1/2nd.
More preferably：The return duct includes water delivery section and adapter, and the adapter is fixedly connected with passage, described
Water delivery section and adapter are threadedly coupled, and the joint coordinated with water delivery section screw thread, the connector and adaptor are provided with the passage
On be provided with stop valve.
Using said structure, return duct plays a part of reflux cycle when concrete ejection work is carried out, and is needing
Water delivery section is switched to joint when cleaning passage inside, now the end of turbulated tube is in closed state,
Return duct and turbulated tube convey water and passage are cleared up simultaneously, and return duct provides turbulent environment, while carrying secretly and transporting attached
The particle, turbulated tube is responsible for impacting clear, and the cleaning effect of turbulent flow impact is maintained well.
In summary, the utility model has the advantages that：
1st, the orderly turbulent flow that is self-regulated is produced in passage using turbulated tube, it is effective to prevent wet concrete in pipeline
It is attached in transmitting procedure on tube wall, especially in course of conveying, the position tended to is blocked to having, this turbulent flow will add automatically
By force, blocked with the place that disappears, so that the pipeline for being effectively guaranteed wet concrete is defeated；
2nd, after concrete ejection work is completed, using turbulated tube and return duct to being cleared up in pipe, coagulation is prevented
Soil frozen plug in pipe, improves the service life of passage.
Brief description of the drawings
When Fig. 1 is that arrow represents to carry out gunite concrete work in the structural representation of the material guide mechanism of embodiment one, figure
The type of flow of fluid；
Fig. 2 is the structural representation of the passage of embodiment one；
Fig. 3 is the passage of embodiment one and the cut-away view of turbulated tube；
Fig. 4 is partial enlarged drawings of the Fig. 3 of embodiment one at F；
Fig. 5 is that arrow represents to carry out fluid during cleaning in the structural representation of the material guide mechanism of embodiment one, figure
The type of flow.
In figure, 1, passage；2nd, turbulated tube；3rd, return duct；4th, stop valve；11st, joint；21st, occurs piece；22nd, hole is compensated；
23rd, filter screen；31st, water delivery section；32nd, take over.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
This specific embodiment is only to explain of the present utility model, and it is not to limitation of the present utility model, ability
Field technique personnel can make the modification without creative contribution to the present embodiment as needed after this specification is read, but
As long as all being protected in protection domain of the present utility model by Patent Law.
Embodiment 1：A kind of material guide mechanism of wet concrete sprayer, as illustrated in fig. 1 and 2, including passage 1, turbulent flow
Pipe 2 and return duct 3, turbulated tube 2 are arranged on the top of the inwall of passage 1, and return duct 3 is arranged on outside passage 1, return duct 3
Connected through passage 1 with turbulated tube 2, and communicating position, close to the end of passage 1, the end of passage 1 can typically be set
Spray gun is put, the other end of return duct 3 is communicated to the watering of turbulated tube 2, to form flow circuit or as during cleaning work
Watering.
Reference picture 3, turbulated tube 2 is uniformly arranged below with multiple angles, and the notch depth of angle is until in turbulated tube 2
The heart, the center of each angle is fixed with generation piece 21, and the diameter for occurring piece 21 is identical with the internal diameter of turbulated tube 2, reference picture 3 and figure
4, the center for occurring piece 21 is provided with the compensation hole 22 of the connection internal pipeline of turbulated tube 2, and a diameter of generation piece 21 for compensating hole 22 is straight
Filter screen 23 can be provided with 2nd/1 to three/3rds of footpath, the opening of general angle, particle is not allowed with prevent concrete
Into turbulated tube 2.
Reference picture 1, return duct 3 includes water delivery section 31 and adapter 32, and adapter 32 is fixedly connected with passage 1, water delivery section 31
It is threadedly coupled, is provided with passage 1 in the joint 11 coordinated with the screw thread of water delivery section 31, adapter 32 and joint 11 with adapter 32
It is provided with stop valve 4.
Operation principle：
Reference picture 4, when carrying out concrete ejection work, forms the knot of similar nozzle between angle and generation piece 21
Structure, when the water of turbulated tube 2 flows on turbulated tube 2, because frequently by the stop and shock for occurring piece 21 so that most of
The denseness that water produces subduction, especially wet concrete from turbulated tube 2 by angle to delivery pipe is larger, relative to turbulent flow
The phenomenon for being similar to alluvial can be formed in the quick transmission of water in pipe 2, passage 1 by turbulated tube 2 relatively, and local pressure drag can be bigger,
Now the mixed liquor of the middle and upper part of wet concrete slurries is intended to change because of blocking walks turbulated tube 2, now just and nozzle at underriding
Fluid produces shock, forms stronger turbulent flow, so that turbulent flow of the wet concrete in transmitting procedure all the time in confusion
State, is difficult to be attached on tube wall, it is ensured that the high efficiency of transmission of wet concrete.
Reference picture 5, when operation completes cleaning pipeline, is switched to joint 11, now the end of turbulated tube 2 by water delivery section 31
In closed state, return duct 3 and turbulated tube 2 convey water and passage 1 are cleared up simultaneously, and turbulated tube 2 is responsible for impact and removed,
Return duct 3 provides turbulent environment, while carrying and transporting the particle of attachment secretly.
Claims (6)
1. a kind of material guide mechanism of wet concrete sprayer, it is characterized in that：Produced including passage (1), in passage (1)
The turbulated tube (2) of turbulent flow effect and the return duct (3) for being arranged on passage (1) outside, the turbulated tube (2) are arranged on passage
(1) top of inwall, the return duct (3) connects through passage (1) with turbulated tube (2), the other end of the return duct (3)
It is communicated to the watering of turbulated tube (2).
2. a kind of material guide mechanism of wet concrete sprayer according to claim 1, it is characterized in that：The turbulated tube
(2) be uniformly arranged below with multiple angles, the center of each angle is fixed with generation piece (21), the generation piece (21)
Diameter it is identical with the internal diameter of turbulated tube (2), it is described occur piece (21) center be provided with connection turbulated tube (2) internal pipeline benefit
Repay hole (22).
3. a kind of material guide mechanism of wet concrete sprayer according to claim 2, it is characterized in that：The angle is cut
Mouth depth is until the center of turbulated tube (2).
4. a kind of material guide mechanism of wet concrete sprayer according to claim 2, it is characterized in that：The angle is opened
Filter screen (23) is provided with mouthful.
5. a kind of material guide mechanism of wet concrete sprayer according to claim 2, it is characterized in that：The compensation hole
(22) 1st/1 to two/3rds of a diameter of generation piece (21) diameter.
6. a kind of material guide mechanism of wet concrete sprayer according to claim 1, it is characterized in that：The return duct
(3) include water delivery section (31) and adapter (32), it is described take over (32) be fixedly connected with passage (1), the water delivery section (31) and
Take on (32) threaded connection, the passage (1) and be provided with the joint (11) coordinated with water delivery section (31) screw thread, the adapter
(32) and on joint (11) it is provided with stop valve (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720026064.8U CN206570812U (en) | 2017-01-10 | 2017-01-10 | A kind of material guide mechanism of wet concrete sprayer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720026064.8U CN206570812U (en) | 2017-01-10 | 2017-01-10 | A kind of material guide mechanism of wet concrete sprayer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206570812U true CN206570812U (en) | 2017-10-20 |
Family
ID=60060264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720026064.8U Expired - Fee Related CN206570812U (en) | 2017-01-10 | 2017-01-10 | A kind of material guide mechanism of wet concrete sprayer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206570812U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112502157A (en) * | 2020-11-25 | 2021-03-16 | 山西华晋岩土工程勘察有限公司 | Grouting device for foundation treatment and using method thereof |
-
2017
- 2017-01-10 CN CN201720026064.8U patent/CN206570812U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112502157A (en) * | 2020-11-25 | 2021-03-16 | 山西华晋岩土工程勘察有限公司 | Grouting device for foundation treatment and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171020 Termination date: 20190110 |