CN205805582U - A kind of jib of vehicular wet-spraying machine - Google Patents
A kind of jib of vehicular wet-spraying machine Download PDFInfo
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- CN205805582U CN205805582U CN201620696164.7U CN201620696164U CN205805582U CN 205805582 U CN205805582 U CN 205805582U CN 201620696164 U CN201620696164 U CN 201620696164U CN 205805582 U CN205805582 U CN 205805582U
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- hollow
- pipe
- forearm
- tube
- accelerating tube
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Abstract
The utility model discloses the jib of a kind of vehicular wet-spraying machine, large arm including hinge successively, middle arm and forearm, large arm, middle arm and forearm are provided with hydraulic cylinder, large arm, concrete feed pipe and high pressure blast pipe it is additionally provided with on middle arm and forearm, the port of export of concrete feed pipe and high pressure blast pipe is all connected with high-pressure nozzle, high-pressure nozzle includes conical tube, nipple end is threadeded with concrete feed pipe, air-supply structure it is additionally provided with inside conical tube, air-supply structure includes hollow accelerating tube and agitator, agitator can being vertically connected on hollow accelerating tube of circular-rotation, the sidewall of conical tube is additionally provided with bellmouth.This utility model can ensure that pressure-air is sufficiently mixed with slurry, increases the jet power of shower nozzle and the cohesiveness to slurry, it is ensured that the pressure of injection, discharging can be continued, and slurry can reduce dispersion when ejection, and forming complete material bundle under it accelerates the high pressure effect formed, jeting effect is good.
Description
Technical field
This utility model relates to a kind of wet-spraying machine accessory, belongs to engineering construction mechanical field, more particularly to one
The jib of vehicular wet-spraying machine.
Background technology
Wet-spraying machine is construction machinery relatively conventional in present engineering construction machinery, is mainly used in highway (railway) limit
The engineerings such as slope greening, side slope protection, massif improvement, mine recovery, desert treatment, garbage loading embeading process.
Wet-spraying machine is about utilizing high-speed compressed air, is pipelined to by the mixed earth compound being stirred in advance
At shower nozzle, high velocity spray injection under compressed air effect after accelerator forms material bundle, the concrete of ejection is rapid curing also
Form a sheath.
In existing wet-spraying machine, in order to easy to use, relatively conventional is large-scale vehicular wet-spraying machine, and vehicular is wet
The jib of spraying machine is the most easy to use, and construction intensity is big, can be used for multi-direction and complex engineering location and uses.But
In this kind of jib, owing to its build is relatively big, brachium is longer, when spraying aloft, it sometimes appear that fracture and material spray cannot be formed
The problem of material bundle, causes and cannot form uniform sheath or cannot complete injection, and cause this problem except discharging
Outside pressure, Another reason is exactly that nozzle structure causes, it would therefore be desirable to design one ensure that slurry mix homogeneously
And can the shower nozzle of pressure polymerization slurry, make spraying machine reach job requirements.
Utility model content
This utility model overcomes the deficiencies in the prior art, it is provided that the jib of a kind of vehicular wet-spraying machine, solve with
Lasting discharging cannot be ensured in use toward jib and the technical barrier of material bundle cannot be formed.
For solving above-mentioned technical problem, this utility model by the following technical solutions:
The jib of a kind of vehicular wet-spraying machine, including the large arm of hinge successively, middle arm and forearm, large arm, middle arm and forearm
It is provided with hydraulic cylinder, described large arm, middle arm and forearm are additionally provided with concrete feed pipe and high pressure blast pipe, described coagulation
The port of export of soil feed pipe and high pressure blast pipe is all connected with high-pressure nozzle, and high-pressure nozzle is arranged on forearm end, described high pressure spray
Head includes that conical tube, conical tube two ends are respectively nipple end and ejection end, and described nipple end send with concrete
Material pipe is threaded, is additionally provided with air-supply structure inside described conical tube, and air-supply structure includes being radially arranged along conical tube
Hollow accelerating tube and along the axially arranged agitator of conical tube, agitator can circular-rotation be vertically connected on hollow acceleration
Guan Shang, the sidewall of described conical tube is additionally provided with bellmouth, and the small-caliber end of bellmouth connects with hollow accelerating tube, described cone
The heavy caliber end in shape hole and the air intake orifice being arranged on outside conical tube, high pressure blast pipe described in air intake orifice.
Preferably, described agitator includes the hollow pipe being rotatably connected on hollow accelerating tube, hollow pipe and hollow acceleration
Pipe is interconnected, and the outer circumference face of described hollow pipe is provided with multiple stirring vane twist, and the end face of stirring vane sets
Being equipped with exhaust vent, exhaust vent connects with hollow pipe.
Preferably, described hollow pipe and hollow accelerating tube junction are provided with swivel becket, are positioned in described hollow accelerating tube
The ball of multiple annular array it is inlaid with outside swivel becket.
More excellent, the junction that described hollow accelerating tube is internally located at hollow pipe is additionally provided with baffle, baffle towards
The side of bellmouth is arcuate structure.
More excellent, it is provided with spiral guiding plate in described hollow accelerating tube.
Compared with prior art, the beneficial effects of the utility model are: this utility model simple in construction, it is ensured that high pressure
Air is sufficiently mixed with slurry, and can increase the jet power of shower nozzle and the cohesiveness to slurry, it is ensured that the pressure of injection, energy
Enough continue discharging, and being sufficiently mixed due to air so that slurry can reduce dispersion when ejection, and accelerates formation at it
Forming complete material bundle under high pressure effect, use efficiently, jeting effect is good.
Accompanying drawing explanation
With detailed description of the invention, this utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is structural representation of the present utility model；
Fig. 2 is high-pressure nozzle structural representation of the present utility model；
Fig. 3 is the structure enlarged diagram in Fig. 2 at A；
Label in figure is expressed as: 1, hydraulic cylinder；2, large arm；3, middle arm；4, concrete feed pipe；5, forearm；6、
High pressure blast pipe；7, high-pressure nozzle；8, exhaust vent；9, stirring vane；10, hollow pipe；11, nipple end；12, ejection end；
13, conical tube；14, hollow accelerating tube；15, air intake interface；16, bellmouth；17, swivel becket；18, ball；19, baffle；
20, spiral guiding plate.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is further described.Embodiment of the present utility model includes but does not limits
In the following example.
Embodiment 1
As shown in Figure 1-Figure 3, the jib of a kind of vehicular wet-spraying machine, including large arm 2, middle arm 3 and the forearm of hinge successively
5, large arm 2, middle arm 3 and forearm 5 are provided with hydraulic cylinder 1, described large arm 2, middle arm 3 and forearm 5 are additionally provided with concrete and send
Material pipe 4 and high pressure blast pipe 6, the port of export of described concrete feed pipe 4 and high pressure blast pipe 6 is all connected with high-pressure nozzle 7, high pressure
Shower nozzle 7 is arranged on forearm 5 end, and described high-pressure nozzle 7 includes that conical tube 13, conical tube 13 two ends are respectively nipple
End 11 and ejection end 12, described nipple end 11 is threadeded with concrete feed pipe 4, also sets inside described conical tube 13
Being equipped with air-supply structure, air-supply structure includes the hollow accelerating tube 14 being radially arranged along conical tube 13 and axial along conical tube 13
The agitator arranged, agitator can being vertically connected on hollow accelerating tube 14 of circular-rotation, the sidewall of described conical tube 13
Being additionally provided with bellmouth 16, the small-caliber end of bellmouth 16 connects with hollow accelerating tube 14, the heavy caliber end of described bellmouth 16
Connecting with the air intake interface 15 being arranged on outside conical tube 13, air intake interface 15 connects described high pressure blast pipe 6.
Described agitator includes the hollow pipe 10 being rotatably connected on hollow accelerating tube 14, hollow pipe 10 and hollow accelerating tube
14 are interconnected, and the outer circumference face of described hollow pipe 10 is provided with multiple stirring vane 9, the end of stirring vane 9 twist
Face is provided with exhaust vent 8, and exhaust vent 8 connects with hollow pipe 10.
Described hollow pipe 10 is provided with swivel becket 17 with hollow accelerating tube 14 junction, is positioned in described hollow accelerating tube 14
The ball 18 of multiple annular array it is inlaid with outside swivel becket 17.
The junction that described hollow accelerating tube 14 is internally located at hollow pipe 10 is additionally provided with baffle 19, baffle 19 towards
The side of bellmouth 16 is arcuate structure.
The operation principle of the present embodiment is: jib is connected with carrier car by rotating connector, and jib is carried by hydraulic cylinder 1
Dynamic large arm 2, middle arm 3 and forearm 5 stretch, and concrete slurry is sent at high-pressure nozzle 7, at high pressure by concrete feed pipe 4
High pressure ejection after the high pressure air mixing that blast pipe 6 is sent into.
The high-pressure nozzle 7 of the present embodiment is by being arranged to taper, and arranges hollow accelerating tube 14 and agitator in inside, no
It is only capable of acceleration and polymeric compressing air, increases surge, and slurry and compressed air can be sufficiently mixed so that coagulation
Soil can preferably form material bundle, and discharging is stable, and jeting effect is good.
The agitator of the present embodiment includes the hollow pipe 10 being rotatably connected on hollow accelerating tube 14, hollow pipe 10 and hollow
Accelerating tube 14 is interconnected, and the outer circumference face of described hollow pipe 10 is provided with multiple stirring vane 9, stirring vane twist
The end face of 9 is provided with exhaust vent 8, and exhaust vent 8 connects with hollow pipe 10.The high pressure air of the present embodiment is by hollow acceleration
Pipe 14 accelerates formation and flows to stable high pressure draught, after being passed into hollow pipe 10, by exhaust vent 8 air-out, due to air-out direction
Unanimously, thus under wind-force effect, drive stirring vane 9 circular-rotation, ready-mixed concrete, simultaneously mixed high-voltage air, play and add
Strong expulsion pressure and well-mixed purpose.
For ensureing the rotating effect of agitator, hollow pipe 10 and hollow accelerating tube 14 junction are provided with swivel becket 17, institute
The ball 18 being inlaid with multiple annular array outside swivel becket 17 it is positioned in stating hollow accelerating tube 14.The present embodiment is in order to ensure to turn
Dynamic smooth and easy, reach good mixing effect, hollow pipe 10 is stuck in hollow accelerating tube 14 by swivel becket 17, and by ball 18
Reduce frictional force.
And in order to strengthen the pressure of pressure-air and ensure to flow to necessarily, hollow accelerating tube 14 is internally located at hollow pipe 10
Junction is additionally provided with baffle 19, and baffle 19 is arcuate structure towards the side of bellmouth 16.Permissible by baffle 19
The air of acceleration is introduced directly into hollow pipe 10, and makes it keep certain flow direction, reduce air sinuous flow, it is ensured that pressure and stream
To.
Meanwhile, it is additionally provided with spiral guiding plate 20 in the hollow accelerating tube 14 of the present embodiment.Spiral guiding plate 20 can
So that the pressure-air sent into forms the unified gas flowed to along spiral guiding plate 20 and adds fast speed, improve air further
Impulsive force, it is ensured that expulsion pressure, it is to avoid material spray cannot form material bundle.
It is embodiment of the present utility model as mentioned above.It is described previously for each preferred embodiment of the present utility model,
Preferred implementation in each preferred embodiment if not the most contradictory or premised on a certain preferred implementation,
Each preferred implementation can arbitrarily stack combinations use, the design parameter in described embodiment and embodiment be only for
Understand the utility model proof procedure of statement utility model people, and be not used to limit scope of patent protection of the present utility model,
Scope of patent protection of the present utility model is still as the criterion with its claims, every utilization description of the present utility model and attached
The equivalent structure change that figure content is made, in like manner should be included in protection domain of the present utility model.
Claims (5)
1. a jib for vehicular wet-spraying machine, including the large arm (2) of hinge successively, middle arm (3) and forearm (5), large arm (2),
Middle arm (3) and forearm (5) are provided with hydraulic cylinder (1), and described large arm (2), middle arm (3) and forearm (5) are additionally provided with coagulation
Soil feed pipe (4) and high pressure blast pipe (6), the port of export of described concrete feed pipe (4) and high pressure blast pipe (6) is all connected with height
Pressure shower nozzle (7), high-pressure nozzle (7) is arranged on forearm forearm (5) end, it is characterised in that: described high-pressure nozzle (7) includes taper
Body (13), conical tube (13) two ends are respectively nipple end (11) and ejection end (12), described nipple end (11)
Threadeding with concrete feed pipe (4), described conical tube (13) is internal is additionally provided with air-supply structure, and air-supply structure includes edge
Hollow accelerating tube (14) that conical tube (13) is radially arranged and along the axially arranged agitator of conical tube (13), agitator can
Being vertically connected on hollow accelerating tube (14) of circular-rotation, the sidewall of described conical tube (13) is additionally provided with bellmouth
(16), the small-caliber end of bellmouth (16) connects with hollow accelerating tube (14), the heavy caliber end of described bellmouth (16) and setting
In air intake interface (15) connection in conical tube (13) outside, air intake interface (15) connects described high pressure blast pipe (6).
The jib of a kind of vehicular wet-spraying machine the most according to claim 1, it is characterised in that: described agitator includes rotating
The hollow pipe (10) being connected on hollow accelerating tube (14), hollow pipe (10) and hollow accelerating tube (14) are interconnected, described sky
The outer circumference face of heart pipe (10) is provided with multiple stirring vane (9) twist, and the end face of stirring vane (9) is provided with air-out
Hole (8), exhaust vent (8) connects with hollow pipe (10).
The jib of a kind of vehicular wet-spraying machine the most according to claim 2, it is characterised in that: described hollow pipe (10) is with empty
Cadion-acceleration pipe (14) junction is provided with swivel becket (17), is positioned at swivel becket (17) outside and inlays in described hollow accelerating tube (14)
There is the ball (18) of multiple annular array.
4. according to the jib of a kind of vehicular wet-spraying machine described in Claims 2 or 3, it is characterised in that: described hollow accelerating tube
(14) junction being internally located at hollow pipe (10) is additionally provided with baffle (19), and baffle (19) is towards the one of bellmouth (16)
Side is arcuate structure.
5. according to the jib of a kind of vehicular wet-spraying machine described in Claims 2 or 3, it is characterised in that: described hollow accelerating tube
(14) spiral guiding plate (20) it is provided with in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620696164.7U CN205805582U (en) | 2016-07-05 | 2016-07-05 | A kind of jib of vehicular wet-spraying machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620696164.7U CN205805582U (en) | 2016-07-05 | 2016-07-05 | A kind of jib of vehicular wet-spraying machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205805582U true CN205805582U (en) | 2016-12-14 |
Family
ID=58139777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620696164.7U Expired - Fee Related CN205805582U (en) | 2016-07-05 | 2016-07-05 | A kind of jib of vehicular wet-spraying machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205805582U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111119937A (en) * | 2019-12-10 | 2020-05-08 | 王德志 | Spray gun for concrete wet spraying machine |
| CN113958557A (en) * | 2021-10-15 | 2022-01-21 | 浙江中铭工程机械有限公司 | Middle arm oil cylinder with protection function |
-
2016
- 2016-07-05 CN CN201620696164.7U patent/CN205805582U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111119937A (en) * | 2019-12-10 | 2020-05-08 | 王德志 | Spray gun for concrete wet spraying machine |
| CN111119937B (en) * | 2019-12-10 | 2022-07-05 | 浙江天石建材有限公司 | Spray gun for concrete wet spraying machine |
| CN113958557A (en) * | 2021-10-15 | 2022-01-21 | 浙江中铭工程机械有限公司 | Middle arm oil cylinder with protection function |
| CN113958557B (en) * | 2021-10-15 | 2023-11-24 | 浙江中铭工程机械有限公司 | Middle arm oil cylinder with protection function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20161214 Termination date: 20210705 |