JPH025891Y2 - - Google Patents
Info
- Publication number
- JPH025891Y2 JPH025891Y2 JP12508184U JP12508184U JPH025891Y2 JP H025891 Y2 JPH025891 Y2 JP H025891Y2 JP 12508184 U JP12508184 U JP 12508184U JP 12508184 U JP12508184 U JP 12508184U JP H025891 Y2 JPH025891 Y2 JP H025891Y2
- Authority
- JP
- Japan
- Prior art keywords
- inner cylinder
- spray nozzle
- nozzle
- spray
- air
- 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
Links
- 239000007921 spray Substances 0.000 claims description 39
- 238000005507 spraying Methods 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 18
- 238000009792 diffusion process Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000000654 additive Substances 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 230000000996 additive effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Landscapes
- Nozzles (AREA)
Description
【考案の詳細な説明】
〔産業上の利用分野〕
本考案は、セメント、モルタル等の不定形材料
の吹付用ノズルに関する。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a nozzle for spraying amorphous materials such as cement and mortar.
近年、土建工事、或いは、各種窯炉工事におい
てはセメントやモルタル等の不定形材料による吹
付作業が一般化している。
BACKGROUND OF THE INVENTION In recent years, spraying work using amorphous materials such as cement and mortar has become common in civil engineering work and various types of kiln work.
かかる吹付作業は通常リバウンドロスや粉塵を
発生するが、これを防止するべく、現在各種の対
策が講じられており、例えば、特開昭52−152946
号公報や実公昭58−9643号公報等に記載の方法な
いし装置が知られている。 Such spraying operations usually generate rebound loss and dust, but various measures are currently being taken to prevent this.
Methods and devices described in Japanese Utility Model Publication No. 58-9643 and the like are known.
前者は、リバウンドロス対策として注水部を吹
付けノズル部とその後部の２箇所に設け、原料と
水和混合した後、所要部に噴射するものである。 In the former method, as a countermeasure against rebound loss, water injection sections are provided at two locations, one at the spray nozzle section and the other at the rear thereof, and after hydration and mixing with the raw material, the water is injected to the required areas.
また、後者は、粉塵飛散防止吹付ガンのノズル
に関するもので、ノズル先端から噴出される吹付
材料とその外周にある噴霧水吹付ノズルからの噴
霧水とともに被吹付面に付着させるもので、更に
その外周に粉塵飛散防止用噴霧水吹付ノズルを配
設したものである。 The latter relates to the nozzle of a spray gun to prevent dust scattering, and the spraying material is sprayed from the tip of the nozzle and the spray water from the water spray nozzle on the outer periphery of the material is attached to the surface to be sprayed. A water spray nozzle is installed to prevent dust from scattering.
このようにリバウンドロスや発塵防止対策は
種々知られているが、いずれもその噴出拡散範囲
は狭くならざるを得ない。そのため、局所的な小
補修には有効であるが、一定速度でノズルを移動
させながら吹付を行う大補修や吹付施工の場合に
は、吹付幅が狭いため重ねるように近くに吹付け
て施工する必要があり、移動回数が多く、作業時
間が長くなり、省力化や作業能率の低下をきたす
とともに、施工面に縞状の凹凸ができ、重り部が
多くなつて剥離の要因を作ることになり、耐久性
にも問題があつた。
As described above, various measures for preventing rebound loss and dust generation are known, but in all of them, the range of ejection and diffusion is inevitably narrowed. Therefore, it is effective for small local repairs, but for large repairs or spraying construction where the nozzle is sprayed while moving at a constant speed, the spraying width is narrow, so it is necessary to spray close together in an overlapping manner. This results in a large number of moves, which increases work time, reduces labor savings and reduces work efficiency, and creates striped unevenness on the construction surface, which increases the number of weighted parts and causes peeling. There were also problems with durability.
本考案は施工面を平滑にし、ノズルの移動回数
を減らして、省力化と作業能率の向上を図り、更
に、吹付け重複部を少なくして耐久性の向上を図
ることができる補助吹付ノズルを提供することを
目的とする。 This invention smooths the construction surface, reduces the number of nozzle movements, saves labor and improves work efficiency, and also uses an auxiliary spray nozzle that can reduce the number of overlapping spray areas and improve durability. The purpose is to provide.
上記目的を達成するため、本考案では、吹付ノ
ズルの噴出口廻りに同心円的に内筒と外筒を配設
し、両筒体間に圧搾空気を流入する空気溜り部を
形成し、同内筒を、上記吹付ノズルの噴出口の外
面と嵌合する内筒嵌合部と、それに連設しかつ吹
付材の噴出方向に漸次径を拡開する内筒拡開部と
から形成し、かつ内筒拡開部の180゜対向する位置
に、上記空気溜り部と連通する空気噴出孔を開孔
することによつて補助吹付ノズルを形成してい
る。
In order to achieve the above object, the present invention arranges an inner cylinder and an outer cylinder concentrically around the jet nozzle, forms an air pocket between the two cylinders into which compressed air flows, and The cylinder is formed of an inner cylinder fitting part that fits with the outer surface of the spout of the spray nozzle, and an inner cylinder expansion part that is connected to the inner cylinder fitting part and gradually expands in diameter in the direction in which the spraying material is ejected, and An auxiliary blow nozzle is formed by opening an air ejection hole communicating with the air reservoir at a position 180° opposite to the expanded inner cylinder portion.
以下、本考案を第１図から第６図に示す実施例
に基づいて具体的に説明する。
Hereinafter, the present invention will be specifically explained based on the embodiments shown in FIGS. 1 to 6.
第１図において、１は一次空気によつて吹付材
を給送する材料供給パイプであり、同パイプはそ
の先端に吹付ノズル２を取付けている。また３は
同吹付ノズル２の基部に設けた混合器であり、同
混合器に水等の添加物を吹付材に添加するための
添加物供給管４が連結されている。 In FIG. 1, reference numeral 1 denotes a material supply pipe that feeds the spray material using primary air, and a spray nozzle 2 is attached to the tip of the pipe. Reference numeral 3 denotes a mixer provided at the base of the spray nozzle 2, and an additive supply pipe 4 for adding additives such as water to the spray material is connected to the mixer.
上記構成によつて、添加物を混入した吹付材が
吹付ノズル２の噴出口５から噴出される。 With the above configuration, the spray material mixed with the additive is sprayed from the spout 5 of the spray nozzle 2.
本考案にかかる補助吹付ノズル６は、図示する
ごとく、吹付ノズル２の噴出口５廻りに配設され
る。 The auxiliary spray nozzle 6 according to the present invention is arranged around the spout 5 of the spray nozzle 2, as shown in the figure.
補助吹付ノズル６は、実質的に内筒７と同内筒
７を同心円的に遊嵌状態に囲繞する外筒８とから
なり、両筒体７，８間には環状の空気溜り部１０
が形成され、同空気溜り部１０に圧搾空気が空気
供給管１１を通して送給される。 The auxiliary spray nozzle 6 substantially consists of an inner cylinder 7 and an outer cylinder 8 that surrounds the inner cylinder 7 concentrically and in a loosely fitted state, and there is an annular air pocket 10 between the two cylinders 7 and 8.
is formed, and compressed air is supplied to the air reservoir 10 through the air supply pipe 11.
また、内筒７は、図示するごとく、その一側に
吹付ノズル２の噴出口５の外面形状に適合する内
面形状を有する内筒嵌合部７ａを有するととも
に、他側に吹付材の噴出方向に向けて漸次、径を
大きくする内筒拡開部７ｂとからなる。 Further, as shown in the figure, the inner cylinder 7 has an inner cylinder fitting part 7a on one side thereof having an inner surface shape that matches the outer surface shape of the ejection port 5 of the spray nozzle 2, and has an inner cylinder fitting part 7a on the other side in the direction in which the spraying material is ejected. It consists of an inner cylinder widening part 7b whose diameter gradually increases toward .
かかる構成によつて、内筒嵌合部７ａを吹付ノ
ズル２の噴出口５に嵌合し、かつ固定ボルト１２
によつて固定することによつて、補助吹付ノズル
６を吹付ノズル２に強固に連結することができ
る。また、吹付材を内筒拡開部７ｂによつて拡散
状態に噴出することができる。 With this configuration, the inner cylinder fitting part 7a is fitted to the spout 5 of the spray nozzle 2, and the fixing bolt 12
By fixing the auxiliary spray nozzle 6 to the spray nozzle 2, the auxiliary spray nozzle 6 can be firmly connected to the spray nozzle 2. Moreover, the spraying material can be sprayed out in a diffused state by the inner cylinder expansion portion 7b.
さらに、補助吹付ノズル６は、その内筒拡開部
７ｂの両側の略180゜対向した位置に上記空気溜り
部１０と連通する空気噴出孔１３を穿設してい
る。 Further, the auxiliary spray nozzle 6 has air jet holes 13 that communicate with the air reservoir 10 at positions facing each other at approximately 180 degrees on both sides of the inner cylinder widening portion 7b.
なお、かかる空気噴出孔１３は第２図に示すよ
うに両側にそれぞれ１個の場合のみならず、第４
図に示すごとく複数個設けることもでき、さら
に、第３図に示す如く、両側に単一の噴出孔１３
を設け、その形状を長孔にすることもできる。 Note that the number of such air jet holes 13 is not limited to one on each side as shown in FIG.
It is also possible to provide a plurality of nozzles as shown in the figure, and furthermore, as shown in FIG.
It is also possible to provide an elongated hole in the shape of the hole.
かかる構成としたことにより、空気噴出孔１３
より噴出した圧搾空気は内筒拡開部７ｂの両側に
吹付材の拡散を防止する拡散防止空気壁を形成す
ることができ、これによつて、吹付材は第５図及
び第６図に示く如く、被吹付面１５に一方向に長
い長円形状に吹付材Ａを吹付けることができる。
具体的には、長径Ｌを短径Ｄの約３〜５倍にする
ことができる。 With such a configuration, the air jet holes 13
The compressed air blown out can form diffusion prevention air walls on both sides of the inner cylinder expanded portion 7b that prevent the spraying material from spreading, thereby causing the spraying material to spread as shown in FIGS. 5 and 6. Thus, the spraying material A can be sprayed onto the sprayed surface 15 in an elongated oval shape in one direction.
Specifically, the major axis L can be made approximately 3 to 5 times the minor axis D.
なお、比較例として第７図及び第８図に従来の
吹付ノズル１６による吹付作業を示す。 As a comparative example, FIGS. 7 and 8 show spraying operations using a conventional spray nozzle 16.
図示する如く、従来の吹付ノズル１６は、上述
した補助吹付ノズル６を有しないので、第７図及
び第８図に示すごとく、吹付材Ａを直径Ｄの円形
にしか吹付けることができない。 As shown in the figure, the conventional spray nozzle 16 does not have the above-mentioned auxiliary spray nozzle 6, so it can only spray the spray material A in a circular shape with a diameter D, as shown in FIGS. 7 and 8.
上記構成によつて、本考案は下記の効果を奏す
ることができる。
With the above configuration, the present invention can achieve the following effects.
イ 幅広く吹きつけることができるため、重複す
る個所が少なくなり、剥離の原因が減るため、
吹付材の耐久性が向上する。B. Since it can be sprayed over a wide area, there are fewer overlapping areas and the cause of peeling is reduced.
The durability of sprayed material is improved.
ロ 幅広く吹きつけることができるため、吹付ノ
ズルの移動回数を減らすことができ、省力化を
図ることができるとともに、作業能率を向上で
きる。(b) Since spray can be applied over a wide area, the number of times the spray nozzle must be moved can be reduced, labor can be saved, and work efficiency can be improved.
ハ 幅広く一気に吹付けることができるため、平
滑な吹付施工面を形成することができる。C. Since it can be sprayed over a wide area at once, it is possible to form a smooth sprayed surface.
第１図は本考案に係る補助吹付ノズルを具備す
る吹付ノズルの一部断面正面図、第２図から第４
図は空気噴出孔の形態を示す説明図、第５図及び
第６図は上記吹付ノズルによる吹付作業の説明
図、第７図及び第８図は従来の吹付ノズルによる
吹付作業の説明図である。
図中、１……材料供給パイプ、２……吹付ノズ
ル、３……混合器、４……添加物供給管、５……
噴出口、６……補助吹付ノズル、７……内筒、７
ａ……内筒嵌合部、７ｂ……内筒拡開部、８……
外筒、１０……空気溜り部、１１……空気供給
管、１２……固定ボルト、１３……空気噴出孔、
１５……被吹付面、１６……吹付ノズル。
FIG. 1 is a partially sectional front view of a spray nozzle equipped with an auxiliary spray nozzle according to the present invention, and FIGS.
The figure is an explanatory diagram showing the form of the air jet hole, FIGS. 5 and 6 are explanatory diagrams of the spraying operation using the above-mentioned spraying nozzle, and FIGS. 7 and 8 are explanatory diagrams of the spraying operation using the conventional spraying nozzle. . In the figure, 1...Material supply pipe, 2...Blowing nozzle, 3...Mixer, 4...Additive supply pipe, 5...
Spout nozzle, 6... Auxiliary spray nozzle, 7... Inner cylinder, 7
a... Inner cylinder fitting part, 7b... Inner cylinder expanding part, 8...
Outer cylinder, 10...Air reservoir, 11...Air supply pipe, 12...Fixing bolt, 13...Air jet hole,
15... Surface to be sprayed, 16... Spraying nozzle.
Claims (1)
７と外筒８を配設し、両筒体７，８間に圧搾空気
を流入する空気溜り部１０を形成し、同内筒を、
上記吹付ノズル２の噴出口５の外面と嵌合する内
筒嵌合部７ａと、それに連設しかつ吹付材の噴出
方向に漸次径を拡開する内筒拡開部７ｂとから形
成し、かつ内筒拡開部７ｂの180゜対向する位置
に、上記空気溜り部１０と連通する空気噴出孔１
３を開孔したことを特徴とする偏平拡散吹付用補
助吹付ノズル。 An inner cylinder 7 and an outer cylinder 8 are arranged concentrically around the jet nozzle 5 of the spray nozzle 2, and an air reservoir 10 into which compressed air flows is formed between the two cylinders 7 and 8.
It is formed from an inner cylinder fitting part 7a that fits with the outer surface of the spout 5 of the spray nozzle 2, and an inner cylinder expanding part 7b that is connected thereto and gradually expands in diameter in the direction in which the spray material is ejected, In addition, an air jet hole 1 communicating with the air reservoir 10 is provided at a position 180° opposite to the inner cylinder expanded portion 7b.
3. An auxiliary spray nozzle for flat diffusion spraying characterized by having a hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12508184U JPS6140160U (en) | 1984-08-16 | 1984-08-16 | Auxiliary spray nozzle for flat diffusion spraying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12508184U JPS6140160U (en) | 1984-08-16 | 1984-08-16 | Auxiliary spray nozzle for flat diffusion spraying |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6140160U JPS6140160U (en) | 1986-03-13 |
| JPH025891Y2 true JPH025891Y2 (en) | 1990-02-13 |
Family
ID=30683764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12508184U Granted JPS6140160U (en) | 1984-08-16 | 1984-08-16 | Auxiliary spray nozzle for flat diffusion spraying |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6140160U (en) |
-
1984
- 1984-08-16 JP JP12508184U patent/JPS6140160U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6140160U (en) | 1986-03-13 |
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