CN207093098U - Concrete spray head and concrete sprayer - Google Patents
Concrete spray head and concrete sprayer Download PDFInfo
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- CN207093098U CN207093098U CN201720698477.0U CN201720698477U CN207093098U CN 207093098 U CN207093098 U CN 207093098U CN 201720698477 U CN201720698477 U CN 201720698477U CN 207093098 U CN207093098 U CN 207093098U
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- 239000007921 spray Substances 0.000 title claims abstract description 54
- 230000000694 effects Effects 0.000 description 11
- 238000010276 construction Methods 0.000 description 10
- 238000013022 venting Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- 239000000428 dust Substances 0.000 description 4
- 230000015271 coagulation Effects 0.000 description 3
- 238000005345 coagulation Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
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- Nozzles (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
Concrete ejection technical field is the utility model is related to, more particularly to a kind of concrete spray head and concrete sprayer.Concrete spray head provided by the utility model, it includes the nozzle body with hollow chamber, nozzle body is used to connect with concrete delivery pipe, so that concrete can enter in hollow chamber from concrete delivery pipe, wherein, nozzle body is provided with the through hole unit for being used for allowing air and accelerator to enter in hollow chamber, and through hole unit includes at least one antarafacial through hole, and the central axis of antarafacial through hole and the central axis antarafacial of nozzle body are set.The antarafacial through hole that the utility model passes through setting central axis and nozzle body central axis antarafacial on nozzle body, air and accelerator can be made to be sprayed in the shape of a spiral from antarafacial through hole, realize that accelerator more fully collides with concrete, be effectively improved the mixing uniformity of concrete and accelerator.
Description
Technical field
Concrete ejection technical field is the utility model is related to, more particularly to a kind of concrete spray head and concrete ejection
Machine.
Background technology
Concrete ejection technology is by concrete sprayer, using compressed air or other power, is sprayed by concrete
Concrete ejection on by spray plane, is made concrete condense a kind of technology of hardening rapidly by mouth.
Concrete spray head is the critical structural component of concrete sprayer, and it generally includes nozzle body and circumferentially side
To the multiple through holes being arranged on nozzle body, nozzle body have hollow chamber and with the concrete conveyance of concrete sprayer
Pipe connects, and through hole is used to allow compressed air and accelerator to enter in hollow chamber, impetus of the concrete in compressed air
Under be ejected to outside hollow chamber, and accelerator then primarily serve accelerate concrete coagulation hardening effect.Wherein, accelerator with
The mixing uniformity of concrete has material impact for reducing the rebound loss of concrete, improving construction quality.
Existing concrete spray head, the set-up mode of its through hole generally have two kinds, and a kind of is the central axis of through hole and spray
The central axis upright of mouth body intersects, and another kind is that the central axis of through hole and the central axis of nozzle body non-vertically incline
Monoclinic phase is handed over, regardless of whether being any in both existing set-up modes, the center of the central axis of through hole with nozzle body
Axis is in same plane, because the flow direction of the accelerator in this case, come out from through hole is linear, rapid hardening
The contact site of agent and concrete is more concentrated, and collision opportunity is less, and therefore, this causes being well mixed for accelerator and concrete
Property nevertheless suffers from larger limitation.Moreover, the end of concrete body is Taper Pipe in the prior art, concrete from Taper Pipe spray when compared with
To be discrete, caused dust concentration is higher, can have a strong impact on construction environment.
Utility model content
A technical problem to be solved in the utility model is：Improve the mixing uniformity of concrete and accelerator.
In order to solve the above-mentioned technical problem, the utility model provides a kind of mixed mud nozzle, and it includes having middle cavity
The nozzle body of room, nozzle body is used to connect with concrete delivery pipe, so that concrete can enter from concrete delivery pipe
In hollow chamber, wherein, nozzle body is provided with the through hole unit for being used for allowing air and accelerator to enter in hollow chamber, leads to
Hole unit includes at least one antarafacial through hole, and the central axis of antarafacial through hole and the central axis antarafacial of nozzle body are set.
Alternatively, the direction flowed into along air and accelerator via antarafacial through hole in hollow chamber, in antarafacial through hole
Mandrel line tilts towards one end of the remote concrete delivery pipe of nozzle body.
Alternatively, the angle between the central axis of antarafacial through hole and the central axis of nozzle body is 15 ° -45 °.
Alternatively, the angle between the central axis of antarafacial through hole and the central axis of nozzle body is 25 ° -35 °.
Alternatively, nozzle body is provided with two through hole units, central axis of two through hole units along nozzle body
Direction is arranged at intervals up and down.
Alternatively, central axis the inclining relative to the central axis of nozzle body of the antarafacial through hole in a through hole unit
The central axis of antarafacial through hole in tilted direction and another through hole unit relative to the central axis of nozzle body inclination side
To identical.
Alternatively, through hole unit includes multiple antarafacial through holes, and multiple antarafacial through holes in through hole unit are along nozzle body
It is multiple circumferentially spaced.
Alternatively, circumferencial direction interval of multiple antarafacial through holes along nozzle body in through hole unit is uniformly distributed.
Alternatively, the central axis of each antarafacial through hole in through hole unit relative to nozzle body central axis towards
Same direction tilts.
Alternatively, the central axis of each antarafacial through hole in through hole unit relative to the central axis of nozzle body folder
Angle is equal in magnitude.
Alternatively, nozzle body includes the first jet pipe and the second jet pipe, and the second jet pipe is defeated by the first jet pipe and concrete
Pipe is sent to connect, through hole unit is arranged on the first jet pipe, by the concrete that concrete delivery pipe enters in hollow chamber via the
One end away from the first jet pipe of two jet pipes is ejected to outside hollow chamber, and the second jet pipe is straight tube.
Alternatively, the length of the second jet pipe is 10-12cm.
Alternatively, the first jet pipe is Taper Pipe.
Alternatively, the caliber of the first jet pipe is gradually reduced along by direction of the concrete delivery pipe to the second jet pipe.
On the other hand the utility model additionally provides a kind of concrete sprayer, it includes concrete delivery pipe and this practicality
New concrete spray head.
The utility model on nozzle body by setting the antarafacial of central axis and nozzle body central axis antarafacial to lead to
Hole, can make air and accelerator from antarafacial through hole spray when it is no longer linear, but spray in the shape of a spiral, expand accelerator with
The contact range of concrete, increase the contact area of accelerator and concrete, realize that accelerator more fully touches with concrete
Hit, therefore, the utility model can be effectively improved the mixing uniformity of concrete and accelerator.
By the way that exemplary embodiment of the present utility model is described in detail referring to the drawings, it is of the present utility model its
Its feature and its advantage will be made apparent from.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, before creative labor is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 shows the use state attachment structure schematic diagram of the concrete spray head of the embodiment of the utility model one.
Fig. 2 shows the front view of concrete spray head shown in Fig. 1.
Fig. 3 shows the top view of concrete spray head shown in Fig. 1.
In figure：
1st, concrete spray head；
11st, the first jet pipe；12nd, the second jet pipe；13rd, antarafacial through hole；14th, groove；15th, sealing ring；16th, sleeve pipe；161st, enter
Gas port；
2nd, concrete delivery pipe；
31st, pipe clamp；32nd, rubber ring.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.The description only actually at least one exemplary embodiment is illustrative to be never used as to this practicality below
New and its application or any restrictions used.Based on the embodiment in the utility model, those of ordinary skill in the art are not having
There is the every other embodiment carried out and obtained under the premise of creative work, belong to the scope of the utility model protection.
It may be not discussed in detail for technology, method and apparatus known to person of ordinary skill in the relevant, but suitable
In the case of, the technology, method and apparatus should be considered as authorizing part for specification.
In description of the present utility model, it is to be understood that the noun of locality such as " forward and backward, upper and lower, left and right ", " horizontal,
Vertically, vertically, it is horizontal " and " pushing up, bottom " etc. indicated by orientation or position relationship be normally based on orientation or position shown in the drawings
Relation is put, description the utility model is for only for ease of and simplifies description, in the case where not making opposite explanation, these nouns of locality
Do not indicate that and imply that the device of meaning or element there must be specific orientation or with specific azimuth configuration and operation, because
This is it is not intended that limitation to scope of protection of the utility model；The noun of locality " inside and outside " refers to the wheel relative to each part in itself
Wide is inside and outside.
In description of the present utility model, it is to be understood that limit zero using the word such as " first ", " second "
Part, it is only for it to be easy to distinguish corresponding parts, does not such as have Stated otherwise, above-mentioned word does not have particular meaning,
Therefore it is not intended that limitation to scope of protection of the utility model.
Fig. 1-3 shows one embodiment of the utility model concrete spray head.Reference picture 1-3, the utility model are carried
The concrete spray head 1 of confession, including the nozzle body with hollow chamber, nozzle body are used to connect with concrete delivery pipe 2, with
Concrete is set to enter from concrete delivery pipe 2 in hollow chamber, wherein, nozzle body, which is provided with, to be used to allow air and speed
The through hole unit that solidifying agent enters in hollow chamber, through hole unit include at least one antarafacial through hole 13, the center of antarafacial through hole 13
The central axis antarafacial of axis and nozzle body is set.
The utility model is set by setting antarafacial through hole 13 on nozzle body, and by the central axis of antarafacial through hole 13
For the central axis antarafacial with nozzle body, spiral air flow is formed when air and accelerator can be made to be sprayed from antarafacial through hole 13,
Due to relative to through hole central axis in the prior art and nozzle body central axis it is coplanar when air and accelerator from through hole
The situation that straight line sprays, accelerator can more fully collide with concrete, and therefore, the utility model can be effectively improved mixed
The mixing uniformity of solidifying soil and accelerator, reduces rebound loss, improves construction quality.Moreover, via the spiral of antarafacial through hole 13
In the presence of the air-flow that shape sprays into, concrete can have more preferable directionality when being sprayed from hollow chamber, so as to preferably
It is anticipated that injection is to by spray plane.
In the utility model, antarafacial through hole 13 is preferably arranged to relative to the angled manner of nozzle body central axis,
The direction flowed into along air and accelerator via antarafacial through hole 13 in hollow chamber, the central axis of antarafacial through hole 13 is towards spray
One end of the remote concrete delivery pipe 2 of mouth body tilts, i.e. the central axis of antarafacial through hole 13 is located on nozzle body inwall
One end incline relative to one end on nozzle body outer wall towards one end of the remote concrete delivery pipe 2 of nozzle body
Tiltedly.Based on this, when air-flow sprays from antarafacial through hole 13, its one side have can make the velocity component that air-flow rotates,
On the other hand its simultaneously also have with concrete in nozzle body direction of advance velocity component in the same direction, can further increase
The contact area of accelerator and concrete, increase the collision opportunity of accelerator and concrete, so that accelerator and concrete energy
It is enough more uniformly to be mixed.
In the utility model, the quantity of antarafacial through hole 13 can be one in through hole unit, for example, through hole unit can be with
An antarafacial through hole 13 is only included, or, through hole unit can also include an antarafacial through hole 13 and several central axis simultaneously
The coplanar through hole with nozzle body central axis.But in order to more effectively improve the mixing uniformity of accelerator and concrete, lead to
Hole unit is preferably arranged to include multiple antarafacial through holes 13, and this multiple antarafacial through hole 13 can be along the circumferencial direction of nozzle body
It is spaced apart, so on the circumferencial direction of nozzle body, multiply spiral air flow can be formed, so that concrete and accelerator
It can more uniformly be mixed, further improve mixed effect.Wherein, in each antarafacial through hole 13 in through hole unit
Mandrel line is preferably identical relative to the incline direction of the central axis of nozzle body, each antarafacial through hole 13 in such through hole unit
Central axis relative to nozzle body central axis towards same direction tilt, from multiple antarafacial through holes 13 of through hole unit
The multiply spiral air flow of middle outflow carries out spiral towards same direction, is integrally formed clockwise or inverse along nozzle body circumferencial direction
The gyration airflow of hour hands convolution, can further improve the mixing uniformity of concrete and accelerator, avoid each stock spiral air flow
Weaken the improvement result to mixing uniformity because being liquidated to different directions spiral.
In addition, in the utility model, the quantity of through hole unit can be one, two or more, wherein, in order to obtain
Preferable jeting effect, and in order to better adapt to be used to set the limited limitation in the space of through hole unit on nozzle body, lead to
The quantity of hole unit is preferably two, the two through hole units can along the direction of the central axis of nozzle body between the upper and lower every
Set.Set along spaced two through hole units above and below nozzle body central axial direction, lead to relative to only setting one
The situation of hole unit, due to can spray into compressed air and accelerator in axially different opening position, it is thereby achieved that more preferably
Concrete ejection effect, can be in the equal shape of axially different opening position and because each through hole unit includes antarafacial through hole 13
The air-flow that curl sprays, makes accelerator can be more sufficiently mixed in axially different opening position with concrete, therefore,
The further improvement to mixed effect can be realized；Moreover, compared with multiple through hole units, the sky shared by two through hole units
Between it is relatively fewer, and hence it is also possible to better adapt to be used to set the limited structure in the space of through hole unit special on nozzle body
Point.It can be seen that setting two through hole units on nozzle body, can further change on the premise of space restrictive condition is met
Kind jeting effect, and further improve the mixing uniformity of concrete and accelerator.
The incline direction of antarafacial through hole 13 can be with identical in two through hole units, can also be different.Wherein in order to obtain more
Mixed effect well, the incline direction of antarafacial through hole 13 is preferably arranged to identical in two through hole units, i.e. a through hole list
The central axis of antarafacial through hole 13 in member relative to the central axis of nozzle body incline direction and another through hole unit
In antarafacial through hole 13 central axis it is identical relative to the incline direction of the central axis of nozzle body.Based on this, from two
The air-flow sprayed in the antarafacial through hole 13 of through hole unit can be actuated mutually, without mutually liquidating, therefore, accelerator and concrete
Mixed effect it is more preferable.
The utility model is described further with reference to the embodiment shown in Fig. 1-3.
As shown in figure 1, in this embodiment, concrete spray head 1 includes nozzle body, two through hole units, sealing ring 15
With sleeve pipe 16 etc..
Wherein, nozzle body is used to connect with the concrete delivery pipe 2 of concrete sprayer.Concrete is through concrete conveyance
In the hollow chamber of the flow nozzle body of pipe 2, and (compression is empty in the air entered by through hole unit in nozzle body hollow chamber
Gas) in the presence of be ejected to by nozzle body by spray plane.As shown in figure 1, the nozzle body of the embodiment includes the first jet pipe
11 and second jet pipe 12, the second jet pipe 12 connected by the first jet pipe 11 with concrete delivery pipe 2, i.e. the top of the first jet pipe 12
End is connected with concrete delivery pipe 2, and the second jet pipe 12 is connected to the bottom of the first jet pipe 12, is so flowed from concrete delivery pipe 2
Enter the concrete in nozzle body and flow through the first jet pipe 11 and the second jet pipe 12 successively, finally from positioned at the of nozzle body afterbody
The bottom (i.e. one end of the remote concrete delivery pipe 2 of the second pipe portion 12) of two pipe portions 12 is ejected to by spray plane.
Specifically, as shown in Figure 1, the top of the first jet pipe 11 is connected with concrete delivery pipe 2 by pipe clamp 31；And in order to
Reduce and water loss problem in concrete occurs in 2 junctions of the first jet pipe 11 and concrete delivery pipe, also set in pipe clamp 31
There is rubber ring 32, rubber ring 32 plays sealing function to the junction of the first jet pipe 11 and concrete delivery pipe 2, can effectively prevented
Only concrete produces isolation because of water loss in the junction of the first jet pipe 11 and concrete delivery pipe 2.It can be seen that the embodiment
The sealed connection of nozzle body and concrete delivery pipe 2 is realized using pipe clamp 31 and rubber ring 32, is not only simple in structure, and is sealed
Effect is good.
From Fig. 1 and Fig. 2, in this embodiment, the first jet pipe 11 is Taper Pipe, and the second jet pipe 12 is straight tube.The setting
Unlike the prior art.In the prior art, the afterbody of usual nozzle body is Taper Pipe section, i.e., it is in Taper Pipe shape that generally its afterbody, which is,
The first jet pipe 11, and the second jet pipe 12 is not provided with the bottom of the first jet pipe 11, the problem of this existing nozzle body
In concrete is more discrete when spraying, and the rebound loss of concrete is larger, and caused dust concentration is higher.And the embodiment
The second jet pipe 12 in straight tube-like is set up in the bottom of the first jet pipe 11 so that the afterbody of nozzle body is straight length, due to for
Second jet pipe 12 of straight tube can play poly- material effect, therefore, can effectively reduce discreteness when concrete sprays, reduce back
Bullet loses, and reduces dust concentration, improves construction environment.Wherein, the length of the second jet pipe 12 is preferably 10-12cm, such case
Under, the second jet pipe 12 can not only produce preferably poly- material effect, and also have less resistance to concrete, can make coagulation
The more efficient high texture of soil is injected into by spray plane, is reduced and is blocked risk.
Moreover, as shown in figure 1, the caliber of the first jet pipe 11 is along the direction by the jet pipe of concrete delivery pipe 2 to the second 12
It is gradually reduced, i.e. the miner diameter end of the first jet pipe 11 is down.So relative to the caliber of the first jet pipe 11 along by concrete conveyance
The direction of the jet pipe of pipe 2 to the second 12 gradually increases the situation of (i.e. the bigger diameter end of the first jet pipe 11 down), and the first jet pipe 11 also may be used
Acted on playing certain poly- material；Moreover, be based on this, due to be connected to the bottom of the first jet pipe 11 the second jet pipe 12 caliber with
Bottom (miner diameter end) caliber of first jet pipe 11 is equal, and therefore, the caliber of the second jet pipe 12 is also relatively small, can preferably rise
Acted on to poly- material.
Understood with reference to Fig. 1 and Fig. 2, the first jet pipe 11 is provided with groove 14, outside part of the groove 14 by the first jet pipe 11
Wall caves inward to be formed；Sleeve pipe 16 is set on the part provided with groove 14 of the first jet pipe 11, and to the opening end of groove 14
Closed, formed and the venting cavity formed is enclosed by groove 14 and the inwall of sleeve pipe 16.As shown in figure 1, the venting cavity and through hole list
Member connection, and sleeve pipe 16 is provided with air inlet 161, the air inlet 161 connection venting cavity and external environment condition so that through hole unit can
To be connected by the air inlet 161 with accelerator feeding mechanism and air supply device.During work, accelerator feeding mechanism is supplied
The air that the accelerator and air supply device answered are supplied, which can be introduced into the venting cavity, tentatively to be mixed, then logical from this
Air cavity enters in the hollow chamber in nozzle body via through hole unit.Moreover, as shown in figure 1, in the jet pipe of sleeve pipe 16 and first
11 positioned at groove are additionally provided with sealing ring 15 between the outer wall of both sides about 14, can so be effectively improved the sealing of venting cavity
Property, prevent air and accelerator from being revealed at venting cavity.
Two through hole units are used to allow air and accelerator to enter in the hollow chamber of nozzle body.By Fig. 1 and Fig. 2
Understand, in this embodiment, two through hole units are arranged on the first jet pipe 11, and positioned at the middle and lower part region of groove 14, are used
In connection venting cavity and hollow chamber, so as to which nozzle sheet can be entered by the air and accelerator that tentatively mix in venting cavity
In body, act on concrete.
Specifically, as depicted in figs. 1 and 2, central axis side of the two through hole units of the embodiment along nozzle body
To upper and lower arrangement, each through hole unit includes multiple circumferentially spaced multiple antarafacial through holes 13 along nozzle body,
This concrete spray head for allowing for the embodiment includes two rejection face through holes 13.The central axis of each antarafacial through hole 13 with spray
The central axis antarafacial of mouth body is set, also, from the figure 3, it may be seen that the central axis of each antarafacial through hole 13 relative to nozzle sheet
The incline direction of the central axis of body is identical, i.e. center of the central axis of each antarafacial through hole 13 both with respect to nozzle body
Axis tilts towards same direction.Based on this, when in the hollow chamber of air and accelerator penetrating nozzle body, can be formed more
Stock spiral air flow, and each stock spiral air flow circles round to same direction, actuates mutually, does not interfere with each other each other, is formed overall
It gyration airflow, can effectively increase the contact area of accelerator and concrete, increase the collision opportunity of accelerator and concrete, from
And the mixing uniformity of accelerator and concrete can be improved, the rebound degree of concrete is reduced, improves construction quality；Moreover, this
Kind is in the presence of spiral air flow, and concrete can also spray in the shape of a spiral, and directionality is more preferable, helps to reduce dust concentration,
Improve construction environment, also, due to without setting any supplementary structure (as shown in figure 1, nozzle sheet on the inwall of hollow chamber
The inwall of body is smooth), you can realize that the spiral of concrete sprays, therefore, injection resistance is also smaller, concrete ejection process
It is more smooth, the probability that nozzle body blocks can be reduced, and efficiency of construction is improved, and structure is also relatively simple, processing
Difficulty is relatively low.Wherein it is highly preferred that multiple antarafacial through holes 13 in each through hole unit can be along the circumference side of nozzle body
It is uniformly distributed to interval, further to improve the mixing uniformity of accelerator and concrete.
Moreover, from Fig. 1 and Fig. 2, in this embodiment, each antarafacial through hole 13 is located on nozzle body inwall
One end tilts relative to one end on nozzle body outer wall towards one end of the remote concrete delivery pipe 2 of nozzle body,
That is, flowed into air and accelerator via antarafacial through hole 13 on the direction in hollow chamber, the central shaft of each antarafacial through hole 13
Line tilts down.This is obliquely installed mode to the use of antarafacial through hole 13, and the air-flow that can therefrom to spray is with can make
While the velocity component that air-flow rotates, also with direction of advance speed in the same direction is divided in nozzle body with concrete
Amount, so as to further increase the collision opportunity of accelerator and concrete, realizes that accelerator more uniformly mixes with concrete
Conjunction process.
As shown in figure 1, the antarafacial through hole 13 of the embodiment, the angle between its center axis and nozzle body central axis
θ could be arranged to 15 ° -45 °, and spiral air flow is preferably formed when air-flow can so flowed out from antarafacial through hole 13, realize
Accelerator more fully mixes with concrete.Wherein research has shown that, by the central axis and nozzle body of antarafacial through hole 13
Angle theta between mandrel line is arranged to 25 ° -35 °, both spiral air flow can be made to be formed more abundant, can shorten coagulation again
Time of delivery of the soil in nozzle body, so as to help further to shorten the frictional resistance of nozzle body inwall to concrete
Action time, concrete is set efficiently to be sprayed by more smooth.Preferably, the central axis and nozzle of each antarafacial through hole 13
Angle theta between body central axis is arranged to equal-sized, so can preferably form spiral air flow, more effectively change
The mixing uniformity of kind accelerator and concrete, and make concrete that there is more preferable directionality when spraying.
It can be seen that the concrete spray head 1 of the embodiment, simple in construction, and accelerator can be realized with concrete more fully
Mixing, and can realize that concrete directionality is more preferable and the more preferable concrete ejection process of aggregation.
Concrete spray head 1 of the present utility model is applied to concrete sprayer (such as concrete spraying machine), can be effective
Improve the construction quality and construction environment of concrete sprayer.Therefore, the utility model additionally provides a kind of concrete sprayer,
It includes concrete delivery pipe 2 and concrete spray head of the present utility model 1.
Exemplary embodiment of the present utility model is the foregoing is only, it is all in this reality not to limit the utility model
Within new spirit and principle, any modification, equivalent substitution and improvements made etc., it should be included in of the present utility model
Within protection domain.
Claims (15)
1. a kind of concrete spray head (1), including the nozzle body with hollow chamber, the nozzle body is used for defeated with concrete
Pipe (2) is sent to connect, so that concrete can enter in the hollow chamber from the concrete delivery pipe (2), it is characterised in that
The nozzle body is provided with the through hole unit for being used for allowing air and accelerator to enter in the hollow chamber, the through hole list
Member includes at least one antarafacial through hole (13), the central axis of the antarafacial through hole (13) and the central axis of the nozzle body
Antarafacial is set.
2. concrete spray head (1) according to claim 1, it is characterised in that along air and accelerator via described different
The direction that face through hole (13) is flowed into the hollow chamber, the central axis of the antarafacial through hole (13) is towards the nozzle body
The remote concrete delivery pipe (2) one end tilt.
3. concrete spray head (1) according to claim 1, it is characterised in that the central axis of the antarafacial through hole (13)
Angle between the central axis of the nozzle body is 15 ° -45 °.
4. concrete spray head (1) according to claim 3, it is characterised in that the central axis of the antarafacial through hole (13)
Angle between the central axis of the nozzle body is 25 ° -35 °.
5. concrete spray head (1) according to claim 1, it is characterised in that the nozzle body is provided with described in two
Through hole unit, central axial direction of described two through hole units along the nozzle body are arranged at intervals up and down.
6. concrete spray head (1) according to claim 5, it is characterised in that described different in a through hole unit
The central axis of face through hole (13) relative to the central axis of the nozzle body incline direction and another described through hole list
The central axis of the antarafacial through hole (13) in member is identical relative to the incline direction of the central axis of the nozzle body.
7. according to any described concrete spray heads (1) of claim 1-6, it is characterised in that the through hole unit includes multiple
The antarafacial through hole (13), circumference side of multiple antarafacial through holes (13) along the nozzle body in the through hole unit
To being spaced apart.
8. concrete spray head (1) according to claim 7, it is characterised in that multiple described different in the through hole unit
Circumferencial direction interval of the face through hole (13) along the nozzle body is uniformly distributed.
9. concrete spray head (1) according to claim 7, it is characterised in that each described different in the through hole unit
The central axis of face through hole (13) tilts relative to the central axis of the nozzle body towards same direction.
10. concrete spray head (1) according to claim 9, it is characterised in that each described different in the through hole unit
The central axis of face through hole (13) is equal relative to the corner dimension between the central axis of the nozzle body.
11. concrete spray head (1) according to claim 1, it is characterised in that the nozzle body includes the first jet pipe
(11) and the second jet pipe (12), second jet pipe (12) pass through first jet pipe (11) and the concrete delivery pipe (2)
Connection, the through hole unit are arranged on first jet pipe (11), enter the middle cavity by the concrete delivery pipe (2)
Indoor concrete is ejected to the middle cavity via one end of remote first jet pipe (11) of second jet pipe (12)
Outdoor, second jet pipe (12) are straight tube.
12. concrete spray head (1) according to claim 11, it is characterised in that the length of second jet pipe (12) is
10-12cm。
13. concrete spray head (1) according to claim 11, it is characterised in that first jet pipe (11) is Taper Pipe.
14. concrete spray head (1) according to claim 13, it is characterised in that the caliber edge of first jet pipe (11)
And be gradually reduced by the direction of the concrete delivery pipe (2) to second jet pipe (12).
15. a kind of concrete sprayer, including concrete delivery pipe (2), it is characterised in that the concrete sprayer also includes
Concrete spray head (1) as described in claim 1-14 is any.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720698477.0U CN207093098U (en) | 2017-06-16 | 2017-06-16 | Concrete spray head and concrete sprayer |
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| CN201720698477.0U CN207093098U (en) | 2017-06-16 | 2017-06-16 | Concrete spray head and concrete sprayer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107013233A (en) * | 2017-06-16 | 2017-08-04 | 徐工集团工程机械有限公司 | Concrete spray head and concrete sprayer |
| CN108772938A (en) * | 2018-05-29 | 2018-11-09 | 中建西部建设西南有限公司 | A kind of concrete 3D printing nozzle and printer |
-
2017
- 2017-06-16 CN CN201720698477.0U patent/CN207093098U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107013233A (en) * | 2017-06-16 | 2017-08-04 | 徐工集团工程机械有限公司 | Concrete spray head and concrete sprayer |
| CN108772938A (en) * | 2018-05-29 | 2018-11-09 | 中建西部建设西南有限公司 | A kind of concrete 3D printing nozzle and printer |
| CN108772938B (en) * | 2018-05-29 | 2024-03-26 | 中建西部建设西南有限公司 | Concrete 3D prints shower nozzle and printer |
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Effective date of registration: 20220728 Address after: 221004 26 Tuo Lan Shan Road, Xuzhou economic and Technological Development Zone, Jiangsu Patentee after: Jiangsu Xugong Construction Machinery Research Institute Co.,Ltd. Address before: 221004 26 Tuo Lan Shan Road, Xuzhou economic and Technological Development Zone, Jiangsu Patentee before: XCMG CONSTRUCTION MACHINERY Co.,Ltd. |
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