CN215612454U - Guniting nozzle for spraying concrete - Google Patents
Guniting nozzle for spraying concrete Download PDFInfo
- Publication number
- CN215612454U CN215612454U CN202121267185.4U CN202121267185U CN215612454U CN 215612454 U CN215612454 U CN 215612454U CN 202121267185 U CN202121267185 U CN 202121267185U CN 215612454 U CN215612454 U CN 215612454U
- Authority
- CN
- China
- Prior art keywords
- nozzle body
- nozzle
- pipe
- diffusion
- spacing
- 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
Links
- 238000005507 spraying Methods 0.000 title claims abstract description 28
- 239000004567 concrete Substances 0.000 title abstract description 16
- 238000009792 diffusion process Methods 0.000 claims abstract description 31
- 239000011378 shotcrete Substances 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 239000007921 spray Substances 0.000 claims description 6
- 239000013589 supplement Substances 0.000 abstract description 4
- 239000002002 slurry Substances 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Nozzles (AREA)
Abstract
The utility model discloses a guniting nozzle for spraying concrete, which comprises a nozzle body, wherein a connecting guide pipe is fixedly arranged at the center of the bottom end of the nozzle body, a limiting hose is fixedly arranged at the edge of the bottom end of the nozzle body, a clamping groove is formed in the side edge of the bottom end of the nozzle body and is positioned between the connecting guide pipe and the limiting hose, a guniting guide pipe is alternately connected in the clamping groove, and a diffusion pipe is fixedly communicated with the bottom end of the guniting guide pipe; after the diffusion pipe is additionally arranged, when high-flow-rate slurry passes through the diffusion pipe, external air flow can be sucked through the diffusion hole, the increased external air pressure secondarily supplements pressure to sprayed concrete, the length of the additionally arranged diffusion pipe is suitable for favorably controlling the spraying distance, the spraying efficiency is improved, the distance from a sprayed surface is favorably controlled, the rebound quantity is favorably reduced, the spraying operation after the diffusion pipe is arranged, the quality of the sprayed concrete meets the requirement, the rebound quantity of the sprayed concrete is obviously reduced, the structure is more optimized, and the design is more reasonable.
Description
Technical Field
The utility model relates to the field of sprayed concrete construction, in particular to a guniting nozzle for sprayed concrete construction.
Background
The sprayed concrete is formed by filling cement, sand, stones, water and a certain amount of additives which are prepared in advance into a sprayer, sending the mixture to a nozzle and an accelerating agent by utilizing high-pressure air, mixing and spraying the mixture to the surface of rock or concrete at a high speed.
The current sprayed concrete often adopts the dry spraying method, the pressure of a spraying pipeline is not less than 0.8Mpa, a water pipe is arranged in front of a nozzle, the water pressure is 0.15-0.2 Mpa, the water yield is uniform, the distance between the nozzle and a sprayed surface is about 0.6-1.0 m, the concrete is stably sprayed during spraying, the phenomena such as intermittent pulse and the like do not exist, the rebound rate of the sprayed concrete is about 15%, the rebound efficiency is lower, the rebound concrete is not suitable for being sprayed again, and great resource waste is easily caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a guniting nozzle for shotcrete construction, which aims to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides a whitewashing mouth that spray concrete was used, includes the nozzle body, the fixed connecting tube that is equipped with of center department of nozzle body bottom, the fixed spacing hose that is equipped with in edge of nozzle body bottom, the avris department of nozzle body bottom has seted up the draw-in groove, the draw-in groove is located between connecting tube and the spacing hose, the inside interlude of draw-in groove is connected with the whitewashing pipe, the bottom mounting intercommunication of whitewashing pipe has the diffusion tube, a plurality of diffusion holes have all been seted up to the pipe wall of diffusion tube both sides, spacing hose outside cover is equipped with two clamp rings, every two avris of clamp ring are all fixed and are equipped with spacing baffle, every two adjacent through second spacing bolt threaded connection between the spacing baffle.
As a further scheme of the utility model: one side flange joint of nozzle body has the water spray pipeline, the output of water spray pipeline extends to the inside of nozzle body.
As a still further scheme of the utility model: the top of nozzle body has the whitewashing pipeline through first flange board flange joint.
As a still further scheme of the utility model: the side of the first flange plate is in threaded connection with a plurality of first limiting bolts.
As a still further scheme of the utility model: the outer side of the water spraying pipeline is fixedly provided with two limiting lantern rings, and one side of each limiting lantern ring is fixedly connected with the nozzle body.
As a still further scheme of the utility model: and a second flange plate is fixedly arranged at the top end of the limiting sleeve ring.
Compared with the prior art, the utility model has the beneficial effects that:
(1) after the diffusion pipe is additionally arranged, when high-flow-rate slurry passes through the diffusion pipe, external air flow can be sucked through the diffusion hole, the increased external air pressure secondarily supplements pressure to sprayed concrete, the length of the additionally arranged diffusion pipe is suitable for favorably controlling the spraying distance, the spraying efficiency is improved, the distance from a sprayed surface is favorably controlled, the rebound quantity is favorably reduced, the use is very convenient, the quick assembling and disassembling operation can be realized through the matching use of the clamping groove and the clamping hoop ring, the spraying operation after the diffusion pipe is arranged, the quality of the sprayed concrete meets the requirement, the rebound quantity of the sprayed concrete is obviously reduced, the structure is more optimized, and the design is more reasonable;
(2) the separable operation of nozzle body and diffuser, also can link together the operation, if when will reducing the resilience volume, the two assembles together, can block up the diffusion hole on the diffuser, and the quick dismantlement of being convenient for demolishs the back with the spacing bolt of second for two clamp ring separation can be changed the diffuser, and draw-in groove, connecting tube and the spacing hose that are equipped with through nozzle body bottom are convenient for carry on spacing fixedly to the whitewashing pipe, thereby make the whitewashing process more stable.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a diffuser structure according to the present invention;
FIG. 3 is a schematic view of the internal structure of the present invention;
FIG. 4 is a schematic view of a connection structure of two clamp rings according to the present invention;
FIG. 5 is a partial schematic view of the bottom end of the nozzle body according to the present invention.
In the figure: 1. a nozzle body; 2. a water spray pipeline; 3. a diffuser tube; 4. a diffusion hole; 5. a guniting pipeline; 6. a clamp ring; 7. a first flange plate; 8. a first limit bolt; 9. connecting a conduit; 10. a limiting lantern ring; 11. a second flange plate; 12. a guniting duct; 13. a spacing clapboard; 14. a second limit bolt; 15. limiting the hose.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 5, in the embodiment of the utility model, a concrete spraying nozzle for spraying concrete comprises a nozzle body 1, a connecting pipe 9 is fixedly arranged at the center of the bottom end of the nozzle body 1, a limiting hose 15 is fixedly arranged at the edge of the bottom end of the nozzle body 1, a clamping groove is formed in the side edge of the bottom end of the nozzle body 1 and is located between the connecting pipe 9 and the limiting hose 15, a concrete spraying pipe 12 is connected to the inside of the clamping groove in an inserting manner, a diffusion pipe 3 is fixedly communicated with the bottom end of the concrete spraying pipe 12, a plurality of diffusion holes 4 are formed in the pipe walls of two sides of the diffusion pipe 3, two clamp rings 6 are sleeved on the outer side of the limiting hose 15, limiting partition plates 13 are fixedly arranged on two side edges of each clamp ring 6, and every two adjacent limiting partition plates 13 are in threaded connection through a second limiting bolt 14.
Referring to fig. 1 to 5, a water spraying pipeline 2 is flanged on one side of a nozzle body 1, an output end of the water spraying pipeline 2 extends into the nozzle body 1, a guniting pipeline 5 is flanged on the top end of the nozzle body 1 through a first flange plate 7, a plurality of first limiting bolts 8 are screwed on the lateral side of the first flange plate 7, two limiting lantern rings 10 are fixedly arranged on the outer side of the water spraying pipeline 2, one side of each limiting lantern ring 10 is fixedly connected with the nozzle body 1, a second flange plate 11 is fixedly arranged on the top end of each limiting lantern ring 10, when concrete guniting is performed, according to the Bernoulli principle, when high flow velocity passes through the diffusion pipe 3, external air flow can be sucked through the diffusion holes 4, the increased external air pressure secondarily supplements pressure to the sprayed concrete, and the length of the additionally arranged diffusion pipe 3 is suitable for favorably controlling the spraying distance, so that the rebound quantity of the sprayed concrete is reduced, and the spraying efficiency is improved.
The working principle of the utility model is as follows:
when in use, the device is firstly installed at a proper position, the water spraying pipeline 2 is connected with an external water source flange through a second flange plate 11, the guniting pipeline 5 is connected with the nozzle body 1 through a first flange plate 7 by a flange, the first limit bolt 8 can be removed for quick assembly and disassembly, water can be added to concrete through the water spraying pipeline 2 to prevent concrete from being advanced to condense, when concrete guniting is carried out, the nozzle body 1 is connected with the diffusion pipe 3 through the clamp ring 6, according to Bernoulli principle, when high-flow-rate slurry passes through the diffusion pipe 3, external air flow can be sucked through the diffusion hole 4, the increased external air pressure secondarily supplements the sprayed concrete, the length of the additionally installed diffusion pipe 3 is suitable for controlling the spraying distance, so that the rebound amount of the sprayed concrete is reduced, the spraying efficiency is improved, the nozzle body 1 and the diffusion pipe 3 can be operated separately and can also be connected together, if reduce the resilience volume when, the two is in the same place, can block up diffusion hole 4 on the diffuser pipe 3, be convenient for dismantle fast, demolish the back with the spacing bolt 14 of second, make two clamp ring 6 separation, can change diffuser pipe 3, draw-in groove through being equipped with of 1 bottom of nozzle body, connecting tube 9 and spacing hose 15 are convenient for carry out spacing fixed to whitewashing pipe 12, thereby make whitewashing process more stable, install the diffuser pipe 3 additional after, be favorable to controlling the distance that receives the face of spouting, be favorable to reducing the resilience volume, and it is very convenient to use, use through draw-in groove and clamp ring 6's cooperation, can install and remove the operation fast, the injection operation behind the installation diffuser pipe, make the concrete volume of spouting obviously descend, its structure is more optimized, the design is more reasonable.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "disposed," "mounted," "connected," and "secured" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integral to; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The standard parts used by the utility model can be purchased from the market, and the special-shaped parts can be customized according to the description and the description of the attached drawings.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.
Claims (6)
1. The utility model provides a whitewashing mouth that shotcrete was used, includes nozzle body (1), its characterized in that: fixed connecting tube (9) that is equipped with is located at the center of nozzle body (1) bottom, the fixed spacing hose (15) that is equipped with of edge of nozzle body (1) bottom, the avris department of nozzle body (1) bottom has seted up the draw-in groove, the draw-in groove is located between connecting tube (9) and spacing hose (15), the inside interlude of draw-in groove is connected with whitewashing pipe (12), the bottom mounting intercommunication of whitewashing pipe (12) has diffusion tube (3), a plurality of diffusion holes (4) have all been seted up to the pipe wall of diffusion tube (3) both sides, spacing hose (15) outside cover is equipped with two clamp rings (6), every two avris of clamp ring (6) are all fixed and are equipped with spacing baffle (13), and per two are adjacent through second spacing bolt (14) threaded connection between spacing baffle (13).
2. A shotcrete nozzle as claimed in claim 1, wherein: one side flange joint of nozzle body (1) has water spray pipeline (2), the output of water spray pipeline (2) extends to the inside of nozzle body (1).
3. A shotcrete nozzle as claimed in claim 1, wherein: the top end of the nozzle body (1) is connected with a guniting pipeline (5) through a first flange plate (7) in a flange mode.
4. A shotcrete nozzle as claimed in claim 3, wherein: the side of the first flange plate (7) is in threaded connection with a plurality of first limiting bolts (8).
5. A shotcrete nozzle as claimed in claim 2, wherein: the outer side of the water spraying pipeline (2) is fixedly provided with two limiting sleeve rings (10), and one side of each limiting sleeve ring (10) is fixedly connected with the nozzle body (1).
6. A shotcrete nozzle as claimed in claim 5, wherein: and a second flange plate (11) is fixedly arranged at the top end of the limiting lantern ring (10).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202121267185.4U CN215612454U (en) | 2021-06-08 | 2021-06-08 | Guniting nozzle for spraying concrete |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202121267185.4U CN215612454U (en) | 2021-06-08 | 2021-06-08 | Guniting nozzle for spraying concrete |
Publications (1)
Publication Number | Publication Date |
---|---|
CN215612454U true CN215612454U (en) | 2022-01-25 |
Family
ID=79941850
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202121267185.4U Expired - Fee Related CN215612454U (en) | 2021-06-08 | 2021-06-08 | Guniting nozzle for spraying concrete |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN215612454U (en) |
-
2021
- 2021-06-08 CN CN202121267185.4U patent/CN215612454U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20230519 Address after: 831700 No. 19 Heilongjiang Road, Urumqi, Xinjiang Uygur Autonomous Region Patentee after: Xinjiang water resources and Hydropower Survey, design and Research Institute Co.,Ltd. Address before: 830000 No. 19, Heilongjiang Road, Urumqi, the Xinjiang Uygur Autonomous Region Patentee before: Wen Qingshan |
|
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: 20220125 |