CN219090916U

CN219090916U - Dual-rotation water curtain spraying device

Info

Publication number: CN219090916U
Application number: CN202223597136.4U
Authority: CN
Inventors: 王俊; 张明; 温学雷; 王官云; 杜军
Original assignee: Chongqing Dima Industry Co ltd
Current assignee: Chongqing Dima Industry Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-05-30
Anticipated expiration: 2032-12-30

Abstract

The utility model relates to the technical field of fire robots, in particular to a double-rotation water curtain spraying device which comprises a base component, a primary spraying component and a secondary spraying component, wherein a first water guide groove is formed in the circumference of one side, close to the primary spraying component, of the base component, and a second water guide groove is formed in the circumference of one side, close to the secondary spraying component, of the primary spraying component; the base assembly, the first-stage spraying assembly and the second-stage spraying assembly are connected through a first bolt, the base assembly is provided with a first water guide hole, and the first-stage spraying assembly is provided with a second water guide hole. The double atomization toothed ring can increase the spraying range, prolong the hovering time and improve the fight capability of the robot against fire operation; meanwhile, the two water curtains are atomized water curtains, so that the robot is cooled due to high utilization rate and low water consumption; finally, the requirements of high tolerance and simplified processing and assembly are realized.

Description

Dual-rotation water curtain spraying device

Technical Field

The utility model relates to the technical field of fire robots, in particular to a double-rotation water curtain spraying device.

Background

With the development of economy, various oil products, gas and toxic gas leak and explosion, tunnel, subway collapse and other hidden dangers are clustered, and the number of urgent, difficult, dangerous and heavy malignant fire sites is increased. The fire-fighting robot replaces fire-fighting rescue workers to enter extremely dangerous areas such as fire, explosion, high temperature, dense smoke, toxic gas, oxygen deficiency and the like, people cannot enter, people cannot be in, and the like, so that the fire-fighting rescue efficiency is greatly improved while the safety of the fire fighters is ensured. However, when the fire-fighting robot enters a fire scene for rescue, the robot equipment is easy to overheat and stop working at high temperature, and even the body hardware is directly invalid and damaged, so that rescue work cannot be carried out in time.

At present, the fire-fighting robot is mainly cooled in two forms, the first is to arrange a cooling system at the inner side and the outer side of the robot, and the heat generated by the control hardware and the power assembly of the robot is taken away by means of heat conduction and heat radiation. The cooling effect of the external heat radiation is not ideal, meanwhile, the internal heat cannot be removed under the fire scene environment, the heat accumulation condition exists, and the effect is not ideal in the actual use process. And the second is to take water from the main pipeline of the fire water monitor and combine with the fire water curtain spray head or the fan-shaped spray nozzle to form a single-layer spray water curtain for cooling. The mode can only cool the robot through thin water flow, has the problem of insufficient coverage, can not form a dense water curtain to separate main radiant heat of a fire scene, and has an ideal actual cooling effect. Aiming at special robots such as fire robots and the like, an effective spraying cooling device is needed during rescue operation in a fire scene.

Disclosure of Invention

The utility model provides a double-rotation water curtain spraying device, which aims at solving the problem that the temperature of the existing fire-fighting robot cannot be effectively reduced when the fire-fighting robot is actually used, and the use of internal equipment of the fire-fighting robot is affected.

In order to achieve the above object, the present utility model provides the following technical solutions:

the double-rotation water curtain spraying device comprises a base assembly, a primary spraying assembly and a secondary spraying assembly, wherein a first water guide groove is formed in the circumference of one side, close to the primary spraying assembly, of the base assembly, and a second water guide groove is formed in the circumference of one side, close to the secondary spraying assembly, of the primary spraying assembly; the base assembly, the first-stage spraying assembly and the second-stage spraying assembly are connected through a first bolt, the base assembly is provided with a first water guide hole, and the first-stage spraying assembly is provided with a second water guide hole.

Through designing the two-stage spray assembly, and every stage sprays the subassembly department and is equipped with first guiding gutter and second guiding gutter respectively, water just can flow out from this like this, is equivalent to between base subassembly and one-level spray assembly, one-level spray assembly and second grade spray assembly between can form two sets of water sprays around the circumference, and the water of cooling for fire control robot that sprays out just forms two-layer water curtain like this, and the cooling effect is more obvious.

Preferably, the base assembly comprises an input shaft and a bottom connecting shaft, wherein an internal thread is arranged on the input shaft, an external thread is arranged on the bottom connecting shaft, a water inlet is formed in the input shaft, a plurality of first water guide holes are formed in the bottom connecting shaft, a plane sealing gasket is arranged between the input shaft and the bottom connecting shaft, the first water guide grooves are formed on the circumference of the bottom connecting shaft, a plurality of first water guide grooves are formed on the circumference of the bottom connecting shaft, the width of the first water guide grooves is narrower than the width of the first water guide grooves, so that the sprayed formed water is atomized a little, and the formed water curtain effect is better.

Preferably, the outer part of the side of the input shaft far away from the bottom layer connecting shaft is designed into a taper angle, so that the impact turbulence of the water reserved in the rear base through the water inlet hole can be reduced.

Preferably, a plurality of grooves are formed in the outer wall of the input shaft, and when the input shaft and the bottom connecting shaft are installed, tools are inserted into the grooves, so that the input shaft is anti-skid.

Preferably, the first water guiding groove is not overlapped with the radial direction of the bottom layer connecting shaft, which means that the first water guiding groove is inclined to a certain extent relative to the radial direction of the bottom layer connecting shaft and is not arranged vertically to the axis of the bottom layer connecting shaft.

Preferably, the primary spraying assembly comprises a primary atomization tooth mounting cover, a primary atomization tooth ring and a top layer connecting shaft, a plurality of second water guide holes are formed in the top layer connecting shaft, a first step is formed in the top layer connecting shaft, a second step is formed in the primary atomization tooth mounting cover, the primary atomization tooth ring comprises a first tooth sleeve and first atomization teeth, the first atomization teeth are arranged on the first tooth sleeve, and the first tooth sleeve is arranged between the first step and the second step; the first-stage atomizing tooth mounting cover is connected with the top layer connecting shaft through a second bolt. The first tooth sleeve of one-level spray assembly is spacing fixed by first step and second step, but has certain distance again with between first step and the second step, therefore one-level atomizing tooth can rotate round the top layer connecting axle under the effect of water, and the water curtain that forms like this is rotatory, and such cooling wants better.

Preferably, the top layer connecting shaft is provided with a first sealing groove, a first O-shaped sealing ring is arranged in the first sealing groove, and water can be prevented from flowing out from between the first-stage atomizing tooth mounting cover and the top layer connecting shaft.

Preferably, the secondary spraying assembly comprises a secondary atomizing tooth mounting cover, a secondary atomizing tooth ring and a top cover, a third step is arranged on the top cover, a fourth step is arranged in the secondary atomizing tooth mounting cover, the secondary atomizing tooth ring comprises a second tooth sleeve and second atomizing teeth, the second atomizing teeth are arranged on the second tooth sleeve, and the second tooth sleeve is arranged between the third step and the fourth step; the second-stage atomizing tooth mounting cover is connected with the top cover through a third bolt. The same second tooth sleeve is limited between the third step and the fourth step, the second-stage atomizing tooth can rotate corresponding to the top cover, and water flowing out from the second water guide groove forms a rotating water curtain.

Preferably, the second water guiding groove is arranged on one side of the top layer connecting shaft away from the base assembly, and the second water guiding groove is intersected with the radial direction of the primary spraying assembly.

Preferably, a second sealing groove is formed in the top cover, and a second O-shaped sealing ring is installed in the second sealing groove.

Compared with the prior art, the utility model has the beneficial effects that: this application accessible high pressure solenoid valve cooperation control terminal realizes manual start, or cooperation temperature sensor automatic start, through the inside water route of pressure rivers circulation, realizes dual rotatory spraying. The diameter of the second-stage atomization tooth ring is larger than that of the first-stage atomization tooth ring, the second tooth sleeve rapidly rotates to break up water flow to realize atomization, the full-coverage robot water curtain layer is used for isolating the heat radiation of the outermost layer, and a first heavy defense line is established; this first guiding gutter and one-level atomizing ring gear effect, first tooth cover fast turn smash rivers realization atomizing, realize the robot cooling and inlayer thermal radiation isolation layer, realize the second line of defense. The double atomization toothed ring can increase the spraying range, prolong the hovering time and improve the fight capability of the robot against fire operation; meanwhile, the two water curtains are atomized water curtains, so that the robot is cooled due to high utilization rate and low water consumption; finally, the requirements of high tolerance and simplified processing and assembly are realized. The utility model provides a install on fire-fighting water gun pipeline of fire-fighting robot through valve piece and normal close formula high-pressure solenoid valve, according to fire scene operation demand or temperature sensor feedback, can be at the manual or robot of remote control terminal automatic start dual rotatory water curtain spray set, carry out self spray cooling. Through the first water guide groove with the inclined bottom connecting shaft and the inclined second water guide groove with the inclined top connecting shaft, the atomized water curtain is not dependent on axial gaps any more, the production, processing and assembly requirements of parts are reduced, and the production efficiency is improved.

Description of the drawings:

FIG. 1 is a schematic structural view of a dual rotary water curtain spray apparatus provided herein;

FIG. 2 is an enlarged view of A in FIG. 1;

FIG. 3 is an exploded view of FIG. 1;

FIG. 4 is a second exploded view of FIG. 1;

FIG. 5 is an enlarged view of B in FIG. 4;

FIG. 6 is a cross-sectional view of FIG. 1;

fig. 7 is an enlarged view of C in fig. 6.

The marks in the figure: the device comprises a 1-input shaft, a 2-plane sealing gasket, a 3-bottom connecting shaft, a 4-first-stage atomization tooth mounting cover, a 5-first-stage atomization toothed ring, a 6-first O-shaped sealing ring, a 7-top connecting shaft, an 8-second bolt, a 9-third O-shaped sealing ring, a 10-second-stage atomization tooth mounting cover, an 11-second-stage atomization toothed ring, a 12-second O-shaped sealing ring, a 13-top cover, a 14-third bolt, a 15-combined sealing gasket, a 16-first bolt, a 17-base assembly, a 18-first-stage spraying assembly, a 19-second-stage spraying assembly, a 20-first water guide groove, a 21-second water guide groove, a 22-first water guide hole, a 23-second water guide hole, a 24-water inlet hole, a 25-groove, a 26-first step, a 27-second step, a 28-first tooth sleeve, a 29-first atomization tooth, a 31-third step, a 32-fourth step, a 33-second tooth sleeve and a 34-second atomization tooth.

Detailed Description

The present utility model will be described in detail with reference to the accompanying drawings.

In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

In the description of the present utility model, unless otherwise specified and defined, it should be noted that the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, mechanical or electrical, or may be in communication with each other between two elements, directly or indirectly through intermediaries, as would be understood by those skilled in the art, in view of the specific meaning of the terms described above.

As shown in fig. 1 to 7, the application provides a dual rotary water curtain spray device, which comprises a base assembly 17, a primary spray assembly 18 and a secondary spray assembly 19, wherein a first water guide groove 20 is arranged on the circumference of one side, close to the primary spray assembly 18, of the base assembly 17, and a second water guide groove 21 is arranged on the circumference of one side, close to the secondary spray assembly 19, of the primary spray assembly 18; the base assembly 17, the primary spraying assembly 18 and the secondary spraying assembly 19 are connected through a first bolt 16, the base assembly 17 is provided with a first water guide hole 22, and the primary spraying assembly 18 is provided with a second water guide hole 23.

The base assembly comprises an input shaft 1 and a bottom connecting shaft 3, wherein the input shaft 1 is provided with internal threads, the bottom connecting shaft 3 is provided with external threads, and in order to reduce impact turbulence of water flow on the input shaft 1, the left side of the input shaft 1 is designed to be conical, as shown in fig. 1. The outer wall of the input shaft 1 is provided with a plurality of grooves 25, and tools can be inserted into the grooves 25 when the input shaft 1 is installed and detached, so that the force is conveniently applied.

The input shaft 1 is internally provided with a water inlet 24, the bottom connecting shaft 3 is provided with a plurality of first water guide holes 22, the bottom connecting shaft 3 of the embodiment is provided with eight first water guide holes 22, and water flows into the bottom connecting shaft 3 through the first water guide holes 22 after flowing in through the water inlet 24. A plane sealing gasket 2 is arranged between the input shaft 1 and the bottom connecting shaft 3. The first water guiding groove 20 is arranged on the circumference of the bottom connecting shaft 3, and an included angle between the first water guiding groove 20 and the radial direction of the bottom connecting shaft 3 in the embodiment is designed to be 25 degrees, so that the water flowing out of the first water guiding groove 20 and the radial direction of the bottom connecting shaft 3 are inclined.

The primary spraying assembly 18 comprises a primary atomization tooth mounting cover 4, a primary atomization tooth ring 5 and a top layer connecting shaft 7, a plurality of second water guide holes 23 are formed in the top layer connecting shaft 7, a first step 26 is formed in the top layer connecting shaft 7, a second step 27 is formed in the primary atomization tooth mounting cover 4, the primary atomization tooth ring 5 comprises a first tooth sleeve 28 and first atomization teeth 29, the first atomization teeth 29 are arranged on the first tooth sleeve 28 at intervals, and the first tooth sleeve 28 is arranged between the first step 26 and the second step 27; the first-stage atomizing tooth mounting cover 4 is connected with the top layer connecting shaft 7 through a second bolt 8. The top-layer connecting shaft 7 is provided with a first sealing groove, and a first O-shaped sealing ring 6 is arranged in the first sealing groove.

The included angle between the second water guiding groove 21 and the radial direction of the top layer connecting shaft 7 is 35 degrees, and the inner diameter of the secondary atomization toothed ring 11 is slightly larger than that of the primary atomization toothed ring 5.

The secondary spraying assembly 19 comprises a secondary atomization tooth mounting cover 10, a secondary atomization tooth ring 11 and a top cover 13, a third step 31 is arranged on the top cover 13, a fourth step 32 is arranged in the secondary atomization tooth mounting cover 10, the secondary atomization tooth ring 11 comprises a second tooth sleeve 33 and second atomization teeth 34, the second atomization teeth 34 are arranged on the second tooth sleeve 33 at intervals, and the second tooth sleeve 33 is arranged between the third step 31 and the fourth step 32; the secondary atomizing tooth mounting cover 10 is connected with the top cover 13 through a third bolt 14.

The second water guiding groove 21 is arranged on one side of the top layer connecting shaft 7 away from the base assembly 17, and the second water guiding groove 21 is intersected with the radial direction of the primary spraying assembly 18. The top cover 13 is provided with a second sealing groove, and a second O-shaped sealing ring 12 is installed in the second sealing groove. The top cover 13, the top layer connecting shaft 7 and the bottom layer connecting shaft 3 are connected through a first bolt 16, and a combined sealing gasket 15 is further arranged between the first bolt 16 and the top cover 13. A third O-shaped sealing ring 9 is also arranged between the top layer connecting shaft 7 and the top cover 13.

In the embodiment, the 1.5 inch secondary atomization toothed ring 11 is matched with jet hydrodynamic force of a second water guide groove 21 inclined at a radial angle of 35 degrees, the secondary atomization toothed ring 11 rapidly rotates to break up water flow to realize atomization, a full-coverage robot water curtain layer is used for isolating the heat radiation of the outermost layer, and a first heavy defense line is established; the first water guide groove 20 jet hydrodynamic force with the radial inclination of 25 degrees is matched with the 1 inch primary atomization toothed ring 5, the toothed ring rapidly rotates to break up water flow, atomization is achieved, cooling of a robot and an inner layer heat radiation isolation layer are achieved, and a second defense line is established. The double atomization toothed ring can increase the spraying range, prolong the hovering time and improve the fight capability of the robot against fire operation; meanwhile, the two water curtains are atomized water curtains, so that the robot is cooled due to high utilization rate and low water consumption; finally, the requirements of high tolerance and simplified processing and assembly are realized.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The double-rotation water curtain spraying device is characterized by comprising a base assembly (17), a primary spraying assembly (18) and a secondary spraying assembly (19), wherein a first water guide groove (20) is formed in the circumference of one side, close to the primary spraying assembly (18), of the base assembly (17), and a second water guide groove (21) is formed in the circumference of one side, close to the secondary spraying assembly (19), of the primary spraying assembly (18); the base assembly (17), the primary spraying assembly (18) and the secondary spraying assembly (19) are connected through a first bolt (16), the base assembly (17) is provided with a first water guide hole (22), and the primary spraying assembly (18) is provided with a second water guide hole (23).

2. The dual-rotation water curtain spraying device according to claim 1, wherein the base assembly (17) comprises an input shaft (1) and a bottom connecting shaft (3), an internal thread is arranged on the input shaft (1), an external thread is arranged on the bottom connecting shaft (3), a water inlet hole (24) is arranged in the input shaft (1), a plurality of first water guide holes (22) are arranged on the bottom connecting shaft (3), a plane sealing gasket (2) is arranged between the input shaft (1) and the bottom connecting shaft (3), and the first water guide groove (20) is arranged on the circumference of the bottom connecting shaft (3).

3. The dual rotary water curtain shower device according to claim 2, characterized in that the outside of the side of the input shaft (1) remote from the bottom connecting shaft (3) is designed with a cone angle.

4. The dual rotary water curtain spray apparatus of claim 2, wherein a plurality of grooves (25) are provided on the outer wall of the input shaft (1).

5. The dual rotary water curtain spray apparatus of claim 2, wherein the first water guiding trough (20) is radially misaligned with the bottom layer connecting shaft (3).

6. The dual rotary water curtain spraying device according to claim 1, wherein the primary spraying assembly (18) comprises a primary atomization tooth mounting cover (4), a primary atomization tooth ring (5) and a top layer connecting shaft (7), a plurality of second water guide holes (23) are formed in the top layer connecting shaft (7), a first step (26) is formed in the top layer connecting shaft (7), a second step (27) is formed in the primary atomization tooth mounting cover (4), the primary atomization tooth ring (5) comprises a first tooth sleeve (28) and first atomization teeth (29), the first atomization teeth (29) are arranged on the first tooth sleeve (28) at intervals, and the first tooth sleeve (28) is arranged between the first step (26) and the second step (27); the first-stage atomizing tooth mounting cover (4) is connected with the top layer connecting shaft (7) through a second bolt (8).

7. The dual rotary water curtain spraying device according to claim 6, wherein a first sealing groove is formed in the top layer connecting shaft (7), and a first O-shaped sealing ring (6) is installed in the first sealing groove.

8. The dual rotary water curtain spraying device according to claim 6, wherein the second water guiding groove (21) is arranged on one side of the top layer connecting shaft (7) away from the base assembly (17), and the radial direction of the second water guiding groove (21) and the radial direction of the primary spraying assembly (18) are intersected.

9. The dual rotary water curtain spraying device according to claim 8, wherein the secondary spraying assembly (19) comprises a secondary atomization tooth mounting cover (10), a secondary atomization tooth ring (11) and a top cover (13), a third step (31) is arranged on the top cover (13), a fourth step (32) is arranged in the secondary atomization tooth mounting cover (10), the secondary atomization tooth ring (11) comprises a second tooth sleeve (33) and second atomization teeth (34), the second atomization teeth (34) are arranged on the second tooth sleeve (33) at intervals, and the second tooth sleeve (33) is arranged between the third step (31) and the fourth step (32); the second-stage atomizing tooth mounting cover (10) is connected with the top cover (13) through a third bolt (14).

10. The dual rotary water curtain spraying device according to claim 9, wherein a second sealing groove is formed in the top cover (13), and a second O-shaped sealing ring (12) is installed in the second sealing groove.