CN220791248U

CN220791248U - Spray head for spraying concrete and concrete spraying device

Info

Publication number: CN220791248U
Application number: CN202322740114.7U
Authority: CN
Inventors: 折发强; 李雅军; 周靓坤; 王治全; 刘文祥; 陈诗锐; 孟庆丰; 马晓旭; 孙鑫; 杨青; 罗佳龙; 梁旭东; 张晓玲; 吕星宇; 王洪坤; 张付兴; 孟国超
Original assignee: Beijing Zhongbing Geotechnical Engineering Co ltd; China Railway Construction Engineering Group First Construction Co ltd; China Railway Construction Engineering Group Co Ltd
Current assignee: Beijing Zhongbing Geotechnical Engineering Co ltd; China Railway Construction Engineering Group First Construction Co ltd; China Railway Construction Engineering Group Co Ltd
Priority date: 2023-10-12
Filing date: 2023-10-12
Publication date: 2024-04-16
Anticipated expiration: 2033-10-12

Abstract

The application relates to a shower nozzle and concrete spraying device for spraying concrete, the shower nozzle for spraying concrete comprises a shower nozzle body, one end of the shower nozzle body is a concrete inlet for communicating a concrete pump, the other end of the shower nozzle body is a concrete outlet, an annular water pipe is arranged on the outer ring of the peripheral wall of the shower nozzle body, a water inlet is arranged on one side of the annular water pipe, which is close to the concrete inlet, the water inlet is connected with a water pipe, and a plurality of spray heads are arranged on one side of the annular water pipe, which is close to the concrete outlet, along the surrounding direction at intervals; the concrete spraying device comprises the spray head for spraying concrete. This application makes the building surface give out the smoke and dust when shower nozzle body shotcrete, can carry out the spraying dust removal to avoid the smoke and dust to influence constructor's sight, also avoid constructor to inhale many smoke and dust and harm the health.

Description

Spray head for spraying concrete and concrete spraying device

Technical Field

The application relates to the technical field of building construction, in particular to a spray head for spraying concrete and a concrete spraying device.

Background

At present, a lining of a thin-wall structure such as a tunnel lining, a wall, a ceiling and the like and a protective layer of a steel structure are commonly used for directly spraying a concrete mixture on a building surface or a structure by adopting a high-pressure spray gun, and the concrete mixture is coagulated to form the lining or the protective layer. When the high-pressure spray gun is used, cement, sand, stones, water and a certain amount of accelerator which are prepared in advance are filled and mixed, and then sprayed out at a high speed under the action of a concrete pump, larger smoke dust is often generated when the high-pressure spray gun is sprayed onto the surface of a building, the smoke dust not only affects the sight of constructors, but also is easy to inhale by the constructors, and the constructors can cause damage to bodies for a long time.

Disclosure of Invention

In order to solve the above problems, it is necessary to provide a spray head for spraying concrete and a concrete spraying apparatus capable of performing spray dust removal at the time of spraying concrete.

On the one hand, the application provides a shower nozzle for spraying concrete, and the technical scheme who adopts is as follows:

the utility model provides a shower nozzle for spraying concrete, includes the shower nozzle body, shower nozzle body one end is the concrete entry that is used for the intercommunication concrete pump, and the other end is the concrete outlet the perisporium outer lane of shower nozzle body is equipped with annular water pipe be close to be equipped with the water inlet on the one side of concrete entry of annular water pipe, the water inlet is connected with the raceway the annular water pipe is close to be provided with a plurality of atomising heads along the circumferencial direction interval on the one side of concrete exit.

In some embodiments, the spray head body is cone-shaped and the diameter of the concrete outlet is smaller than the diameter of the concrete inlet.

In some embodiments, a switch valve for controlling water flow on-off is arranged on the water pipe.

In some embodiments, a spray head support is further included, the spray head support being disposed below the spray head body for supporting the spray head body.

Further, the peripheral wall of the nozzle body is rotatably connected with the nozzle support, and the rotation axis is horizontally arranged, so that the nozzle body can rotate on a vertical surface relative to the nozzle support.

Further, the nozzle support comprises an upper supporting portion and a lower supporting portion, the peripheral wall of the nozzle body is rotatably connected with the upper supporting portion to enable the nozzle body to rotate on a vertical plane relative to the upper supporting portion, the upper supporting portion is rotatably connected with the lower supporting portion, and the rotation axis is vertically arranged, so that the upper supporting portion can rotate on a horizontal plane relative to the lower supporting portion.

Further, the lower supporting part comprises an inner rod and an outer rod, the upper supporting part is rotationally connected to the upper end of the outer rod, the inner rod is slidably arranged in the outer rod in a penetrating mode, a support base is arranged at the lower end of the inner rod, a plurality of positioning holes are formed in the inner rod at intervals along the length direction of the inner rod, and locking pieces are arranged on the outer rod and are used for being connected with the positioning holes in a plugging mode or in a threaded mode.

Further, the upper supporting part is a U-shaped frame, two opposite points on the peripheral wall of the spray head body are in one-to-one correspondence and are rotationally connected to two ends of the U-shaped frame, and the outer rod is arranged in the middle of the lower end of the U-shaped frame.

In some embodiments, the spray head support comprises a vertical rod and an arc plate seat, the lower end of the peripheral wall of the spray head body is rotationally connected to the upper end of the vertical rod, the lower end of the vertical rod is fixedly connected with the arc plate seat, the spray head body is cylindrical or conical, the vertical rod rotates relative to the spray head body and can be clung to the outer wall surface of the spray head body, and the arc surface on the arc plate seat is clung to the outer wall surface of the spray head body.

In another aspect the present application provides a concrete spraying device comprising a spray head for spraying concrete as claimed in any one of the preceding claims.

This technical scheme of application, the shower nozzle body is used for spraying concrete to form required coating at the building surface, through setting up annular water pipe at the perisporium outer lane of shower nozzle body, the raceway is carried annular water pipe with water, then spray water smoke behind the atomizing of water by a plurality of atomising heads on the annular water pipe, thereby when shower nozzle body shotcrete makes the building surface give off the smoke and dust, can carry out the spraying dust removal, thereby avoid the smoke and dust to influence constructor's sight, also avoid constructor to inhale many smoke and dust and harm the health.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of an embodiment of the present application;

FIG. 2 is a schematic view of another perspective of the embodiment of FIG. 1;

FIG. 3 is a schematic view of the structure of the lower support portion of one embodiment of the shower head holder of the present application;

fig. 4 is a schematic structural view of another embodiment of a showerhead holder according to the present application.

Reference numerals illustrate:

10. a spray head body; 11. a connector; 111. a through hole; 20. an annular water pipe; 21. a water inlet; 22. a spray head; 30. a water pipe; 31. a switch valve; 40. a concrete delivery pipe; 50. a spray head bracket; 51. an upper support part; 52. a lower support part; 521. an inner rod; 5211. positioning holes; 522. an outer rod; 5221. a locking member; 53. a bracket base; 51', vertical bars; 52', an arcuate plate seat; 60. and connecting the pin posts.

Detailed Description

In order to make the above objects, features and advantages of the present application more comprehensible, embodiments accompanied with figures are described in detail below. This application is intended to be limited to the details of the particular embodiments disclosed herein since it is to be understood that modifications may be made by those skilled in the art without departing from the spirit of the present application.

In the description of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" is at least two, such as two, three, etc., unless explicitly defined otherwise.

In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

In this application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

Referring to fig. 1 and 2, the application provides a shower nozzle for spraying concrete, including shower nozzle body 10, shower nozzle body 10 one end is for being used for the concrete entry of intercommunication concrete pump, and the other end is the concrete outlet the perisporium outer lane of shower nozzle body 10 is equipped with annular water pipe 20 is close to be equipped with water inlet 21 on the one side of concrete entry, water inlet 21 is connected with raceway 30 annular water pipe 20 is close to be provided with a plurality of atomising heads 22 along the circumferencial direction interval on the one side of concrete exit.

Above-mentioned technical scheme, shower nozzle body 10 is used for spraying concrete to form required coating at the building surface, through set up annular water pipe 20 at the perisporium outer lane of shower nozzle body 10, raceway 30 carries annular water pipe 20 with water, then a plurality of atomising heads 22 on the annular water pipe 20 spray the water smoke behind the atomizing, thereby when shower nozzle body 10 sprays concrete and makes the building surface give off the smoke and dust, can spray the dust fall, thereby avoid the smoke and dust to influence constructor's sight, also avoid constructor to inhale a lot of smoke and dust and harm the health.

In the embodiment of the application, referring to fig. 1, specifically, the sprayer body 10 is cone-shaped, and the diameter of the concrete outlet is smaller than the diameter of the concrete inlet, the concrete inlet end of the sprayer body 10 is detachably connected with the concrete conveying pipe 40 through the connector 11, the concrete conveying pipe 40 is communicated with the concrete inlet, a through hole 111 for the water pipe 30 to pass through is arranged at the connector 11, the water pipe 30 is restrained from moving through the through hole 111, a switch valve 31 for controlling water flow on-off is arranged on the water pipe 30, the switch valve 31 is opened when dust fall operation is needed, and the switch valve 31 is closed when not needed.

Further, the annular water pipe 20 is detachably and tightly sleeved on the outer wall surface of the conical cylindrical nozzle body 10. Optionally, the annular water pipe 20 is in threaded connection with the nozzle body 10, so that the connection is stable, and the nozzle body is not easy to fall off in use.

In the embodiment of the present application, a head holder 50 for support is connected below the head body 10, and the head holder 50 is placed on the ground, helping to save labor.

Referring to fig. 2 and 3, in one embodiment of the nozzle holder 50, the nozzle holder 50 includes an upper support portion 51 and a lower support portion 52, the upper support portion 51 is a U-shaped frame, two opposite points on the peripheral wall of the nozzle body 10 or the annular water pipe 20 are respectively provided with a connecting pin 60, the two connecting pins 60 are connected to two ends of the U-shaped frame in a one-to-one correspondence manner, and the rotation axes of the connecting pins 60 are horizontally arranged, so that the nozzle body 10 can rotate on a vertical plane relative to the nozzle holder 50, that is, the nozzle body 10 can swing up and down, thereby facilitating adjustment of the injection pitch angle and injection operation; the lower support part 52 comprises an inner rod 521 and an outer rod 522, the inner rod 521 is slidably inserted into the outer rod 522, a support base 53 contacting the ground is arranged at the lower end of the inner rod 521, a plurality of positioning holes 5211 are arranged on the inner rod 521 at intervals along the length direction of the inner rod 521, a locking piece 5221 is arranged on the outer rod 522, the locking piece 5221 is used for being inserted into or connected with the positioning holes 5211 in a threaded manner, and the length of the lower support part 52, namely the height of the spray head body 10, is adjusted through the connection of the locking piece 5221 and different positioning holes 5211, so that the spray coverage is enlarged; the upper end of the outer rod 522 is rotatably connected to the middle part of the lower end of the U-shaped frame, and the rotation axis is vertically arranged, so that the U-shaped frame can rotate on the horizontal plane relative to the lower support part 52, and the spray head body 10 can also rotate on the horizontal plane after being placed at a fixed point, thereby further expanding the spray coverage.

Referring to fig. 4, in another embodiment of the spray head support 50, the spray head support 50 includes a vertical rod 51 'and an arc plate seat 52', the vertical rod 51 'may be a telescopic rod, the lower end of the vertical rod 51' is fixedly connected with the arc plate seat 52', the lower end of the peripheral wall of the spray head body 10 is rotatably connected to the upper end of the vertical rod 51', the rotation axis is horizontally arranged and perpendicular to the axis of the spray head body 10, the vertical rod 51 'can be tightly attached to the outer wall surface of the spray head body 10 along the length direction of the spray head body 10 when rotating relative to the spray head body 10, and the arc surface on the arc plate seat 52' can be tightly attached to the outer wall surface of the spray head body 10. So set up, when shower nozzle body 10 need not support, rotate relative shower nozzle body 10 behind the shrink montant 51' and hug closely the outer wall surface of shower nozzle body 10, be convenient for accomodate and carry.

The application still provides a concrete spraying device, includes be used for the shower nozzle of shotcrete, the concrete entry end intercommunication concrete storehouse of shower nozzle body 10 carries the concrete material pressurization in the concrete storehouse to shower nozzle body 10 through the concrete pump, raceway 30 intercommunication water tank carries annular water pipe 20 with the water pressurization in the water tank through the water pump. Due to the adoption of the spray head for spraying concrete, the concrete spraying device can spray and remove dust when the spray head body 10 sprays concrete, so that the smoke dust is prevented from affecting the sight of constructors, and the constructors are prevented from sucking a lot of smoke dust to damage the body.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples merely represent a few embodiments of the present application and are not to be construed as limiting the scope of the claims. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application is to be determined by the claims appended hereto.

Claims

1. A shower nozzle for spraying concrete, its characterized in that includes the shower nozzle body, shower nozzle body one end is for being used for the concrete entry of intercommunication concrete pump, and the other end is the concrete outlet the perisporium outer lane of shower nozzle body is equipped with annular water pipe be close to be equipped with the water inlet on the one side of concrete entry of annular water pipe, the water inlet is connected with the raceway annular water pipe is close to be provided with a plurality of atomising heads along the circumferencial direction interval on the one side of concrete exit.

2. The spray head for spraying concrete according to claim 1, wherein the spray head body has a conical cylindrical shape, and the diameter of the concrete outlet is smaller than the diameter of the concrete inlet.

3. The spray head for spraying concrete according to claim 1, wherein a switch valve for controlling on-off of water flow is provided on the water pipe.

4. The spray head for spraying concrete according to claim 1, further comprising a spray head support provided below the spray head body for supporting the spray head body.

5. The spray head for spraying concrete according to claim 4, wherein the peripheral wall of the spray head body is rotatably connected to the spray head support and the rotation axis is horizontally arranged so that the spray head body can rotate on a vertical plane with respect to the spray head support.

6. The spray head for spraying concrete according to claim 5, wherein the spray head support comprises an upper support portion and a lower support portion, the peripheral wall of the spray head body is rotatably connected to the upper support portion so as to be rotatable on a vertical plane with respect to the upper support portion, the upper support portion is rotatably connected to the lower support portion and the rotation axis is vertically arranged so that the upper support portion is rotatable on a horizontal plane with respect to the lower support portion.

7. The spray head for spraying concrete according to claim 6, wherein the lower support portion comprises an inner rod and an outer rod, the upper support portion is rotatably connected to the upper end of the outer rod, the inner rod is slidably arranged in the outer rod in a penetrating manner, a support base is arranged at the lower end of the inner rod, a plurality of positioning holes are formed in the inner rod at intervals along the length direction of the inner rod, and locking pieces are arranged on the outer rod and are used for being inserted into or connected with the positioning holes in a threaded manner.

8. The spray head for spraying concrete according to claim 7, wherein the upper supporting portion is a U-shaped frame, two opposite points on the peripheral wall of the spray head body are rotatably connected to two ends of the U-shaped frame in a one-to-one correspondence manner, and the outer rod is disposed in the middle of the lower end of the U-shaped frame.

9. The spray head for spraying concrete according to claim 5, wherein the spray head support comprises a vertical rod and an arc plate seat, the lower end of the peripheral wall of the spray head body is rotatably connected to the upper end of the vertical rod, the lower end of the vertical rod is fixedly connected with the arc plate seat, the spray head body is cylindrical or conical, the vertical rod rotates relative to the spray head body to be capable of being clung to the outer wall surface of the spray head body, and the arc surface on the arc plate seat is clung to the outer wall surface of the spray head body at the same time.

10. A concrete spraying device comprising a spray head for spraying concrete according to any one of claims 1 to 9.