CN215486137U - Tunnel excavation machinery is with spraying dust collector - Google Patents

Abstract

The utility model provides a spraying dust removal device for tunnel excavation machinery, which is matched with an excavator and comprises a spray pipe and a water supply mechanism, wherein the spray pipe comprises a connecting pipe and a plurality of spray pipes communicated with the connecting pipe, the connecting pipe is communicated with the water supply mechanism, the plurality of spray pipes are arranged side by side at intervals along the length direction of an excavator operating arm, each spray pipe is in an annular structure annularly arranged along the excavator operating arm, and a plurality of spray heads communicated with the spray pipes are arranged on each spray pipe along the annular direction of the spray pipe. The utility model changes the straight pipe structure spray pipe in the prior art, the excavator operating arm is annularly arranged by utilizing the annular structure spray pipe, and the plurality of spray heads annularly arranged on the spray pipe are utilized to spray water and remove dust, so that dust generated along the periphery of the excavator operating arm can be effectively removed when a crushing head at the end part of the excavator operating arm works, the excavator can be effectively operated by an operator even under the condition of air flow in a tunnel, and the sight of the operator cannot be influenced by the dust.

Description

Tunnel excavation machinery is with spraying dust collector

Technical Field

The utility model relates to the technical field of dust prevention, in particular to a spraying dust removal device for tunnel excavation machinery.

Background

In the tunnel excavation construction, can utilize and dig the machine and carry out the operation to the tunnel, at this in-process, because tunnel construction space is narrow and small and the raise dust is too big, influence operating personnel's sight easily, increase and dig quick-witted operator's excavation time.

For solving this problem, set up among the prior art with dig quick-witted cooperation use spray set, this spray set includes water tank, force pump, connecting pipe and shower, water tank and force pump interconnect and all set up on digging the quick-witted fuselage, and the connecting pipe is used for communicateing force pump and shower, is equipped with a plurality of shower nozzles on the shower, fixes the shower on digging quick-witted operation arm.

When the excavator works, the switch of the pressure pump is turned on, so that water in the water tank is finally led out from the plurality of spray heads on the spray pipe through the connecting pipe, dust near the crushing head of the excavator is sprayed and removed, and the problem that the excavator raises dust in the operation process is avoided.

However, the shower is mostly the straight tube among the prior art, and sets up singlely, leads to the water smoke that the shower nozzle that sets up on the shower derived can only carry out quick settlement to the dust that is close to excavator control chamber one side, and can not in time catch the dust of other positions dancing in the air flow in work existence in the tunnel for the dust of other positions dancing in the air also removes near excavator control chamber easily, and then makes whole dust removal effect unsatisfactory.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a spraying dust removal device for tunnel excavation machinery, and solves the problem that dust around an excavator operating arm cannot be captured by a straight pipe structure spraying pipe in the prior art, so that the dust removal effect is not ideal.

In order to achieve the purpose, the utility model adopts the following technical scheme: a spray dust removal device for tunnel excavation machinery is installed in cooperation with an excavator and comprises a spray pipe and a water supply mechanism, wherein the spray pipe comprises a connecting pipe and a plurality of spray pipes communicated with the connecting pipe, the connecting pipe is communicated with the water supply mechanism,

the plurality of spray pipes are arranged side by side at intervals along the length direction of the excavator operating arm, each spray pipe is of an annular structure annularly arranged along the excavator operating arm, and a plurality of spray heads communicated with each spray pipe are arranged on each spray pipe along the annular direction of each spray pipe.

Compared with the prior art, the utility model has the following beneficial effects: the straight pipe type spraying pipe changes the straight pipe type spraying pipe in the prior art, the excavator operating arm is annularly arranged by using the annular spraying pipe, and meanwhile, the plurality of nozzles which are annularly arranged on the spraying pipe are used for spraying water and removing dust, so that dust generated along the periphery of the excavator operating arm can be effectively removed when a crushing head at the end part of the excavator operating arm works, the excavator can be effectively operated by an operator even under the condition of air flow in a tunnel, and the sight of the operator cannot be influenced by the dust;

meanwhile, the arrangement of the plurality of spray pipes can also carry out spray dust removal on dust in a larger space, so that the spray device provided by the utility model is more convenient to use in the tunnel construction process, an operator is ensured not to be shielded from sight by the dust in the tunnel excavation process, and the construction progress is ensured.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the nozzle of the present invention;

FIG. 3 is a top view of the nozzle of the present invention;

FIG. 4 is a plan view of a showerhead in embodiment 2 of the present invention;

FIG. 5 is a schematic view showing the connection between the shower head and the shower pipe in embodiment 2 of the present invention;

FIG. 6 is a schematic view of the nozzle tube of the present invention.

In the figure: 1. a water storage tank; 2. a pressure pump; 3. a body; 4. an operating arm; 5. a water conduit; 6. a connecting pipe; 7. a shower pipe; 8. a spray head; 9. a transition duct; 10. rotating the head; 11. a spout tube; 12. bending the section; 13. an acceleration section; 14. a necking section; 15. a straight pipe section; 16. a flared section; 101. and a slider.

Detailed Description

The technical solution of the present invention is further explained with reference to the drawings and the embodiments.

Example 1

As shown in fig. 1-3, an embodiment of the present invention provides a spray dust removal device for tunnel excavation machinery, which is mainly arranged on an excavator, and the spray dust removal device includes a spray pipe and a water supply mechanism, wherein the water supply mechanism supplies water to the spray pipe, and the spray pipe sprays water for dispersing water for dust removal; the water supply mechanism is fixedly installed with the excavator body 3 and can move along with the excavator at the same time, specifically, the water supply mechanism comprises a water storage tank 1, a pressure pump 2 and a water guide pipe 5 which are sequentially communicated, and the water storage tank 1 and the pressure pump 2 are arranged on the excavator body 3 and are fixedly arranged with the excavator body 3; the spray pipe is arranged close to the crushing head (bucket), so that water guided out by the spray pipe can spray and remove dust generated when the crushing head (bucket) works in a short time, the water guide pipe 5 needs to be arranged along the excavator operating arm 4, but the excavator operating arm 4 can deform, in order to ensure that the installation of the water guide pipe 5 does not influence the work of the excavator operating arm 4, the water guide pipe 5 comprises a high-pressure hose and a fixed pipe which are sequentially connected, the high-pressure hose is communicated with the pressure pump 2 and arranged along the excavator operating arm 4 in an extending mode and is connected with the excavator operating arm 4 in a multi-point mode through connecting pieces such as hoops, the fixed pipe is fixed with the excavator operating arm 4 close to the crushing head (bucket) through a hoop, and the fixed pipe is communicated and fixed with the spray pipe, so that the spray pipe is connected with the excavator operating arm 4 through the fixed pipe.

As shown in fig. 1-3, since most of the spray pipes in the prior art are straight pipes, when the spray pipes spray, the spray pipes cannot settle as much dust in the space as possible, and particularly when a tunnel is excavated, the clear sight of an operator cannot be effectively ensured, so the overall structure of the spray pipes is improved in the present invention, specifically, the spray pipes include a connecting pipe 6 and a plurality of spray pipes 7 communicated with the connecting pipe 6, wherein the connecting pipe 6 is communicated with a fixed pipe, the plurality of spray pipes 7 are arranged side by side at intervals along the length direction of the excavator operating arm 4, each spray pipe 7 is in an annular structure annularly arranged along the excavator operating arm 4, and a plurality of spray heads 8 communicated with each spray pipe 7 are arranged along the annular direction of each spray pipe 7. The utility model changes the straight pipe structure spray pipe in the prior art, the excavator operating arm 4 is annularly arranged by utilizing the annular spray pipe 7, and the plurality of spray heads 8 which are annularly arranged on the spray pipe 7 are utilized to spray water and remove dust, so that dust generated along the periphery of the excavator operating arm 4 can be effectively removed when the crushing head at the end part of the excavator operating arm 4 works, the excavator can be effectively operated by an operator even if air flows in a tunnel, and the sight of the operator cannot be influenced by the dust; meanwhile, the arrangement of the plurality of spraying pipes 7 can also spray and remove dust in a larger space, so that the spraying device provided by the utility model is more convenient to use in the tunnel construction process, an operator is ensured not to be shielded from sight by dust in the tunnel excavation process, and the construction progress is ensured.

As shown in fig. 3, in order to facilitate the connection between the plurality of showers 7 and the connecting pipe 6, each shower 7 is connected with a transition pipe 9 communicated with the corresponding shower 7, each transition pipe 9 is communicated with the corresponding connecting pipe 6, and the shower 7 and the transition pipe 9 and the connecting pipe 6 can be connected by a water pipe joint or a small flange, so that the shower 7 can be conveniently overhauled and replaced.

When the spraying device is used, aiming at the condition that the amount of dust generated in the working process of the excavator is small, the arranged spray heads 8 can adopt the atomizing spray heads 8 so as to save water, and meanwhile, in order to enable the water mist sprayed by the spray heads 8 on the spray pipes 7 to cover a large area, the spray heads 8 of each spray pipe 7 are annularly arranged along the outer side wall of the spray pipe 7, so that the action area of the water mist led out by the spray heads 8 is larger, and the dust in the space is conveniently subjected to water drying and dust reducing treatment.

Example 2

As shown in fig. 4-6, in embodiment 1, the sprayer 8 is set to be the atomizing sprayer 8, which is used when the excavator works and the particle diameter of the generated dust is small and the dust amount is not large, but when the excavator works and the particle diameter of the generated dust is large and the dust amount is large in unit time, the water mist guided out by the atomizing sprayer 8 cannot timely and effectively remove the dust in the air, so that the structure of the sprayer 8 is improved in embodiment 2 of the present invention, each sprayer 8 can rotate while spraying, and the water droplets guided out by the sprayer 8 can effectively spray and reduce dust in the air.

Specifically, each spray head 8 comprises a rotating head 10 communicated with the spray pipe 7 and a plurality of spray opening pipes 11 arranged on the rotating head 10, and the rotating head 10 is rotatably connected with the spray pipe 7. The rotating head 10 is of a hollow columnar structure, and a plurality of nozzle pipes 11 are arranged around the rotating head 10 in the circumferential direction; the rotating head 10 is connected with the annular sliding groove on the spray pipe 7 through the annular sliding block 101 in a rotating mode, water is led out from the plurality of nozzle pipes 11 at the last after the action of the pressure pump 2, the connecting pipe 6, the transition pipe 9 and the spray pipe 7, the rotating head 10 enters the outlet of the nozzle pipes 11 and is led out from the plurality of nozzle pipes 11 at the last, the central line of the outlet of the nozzle pipes 11 and the pipe diameter direction (or the direction of the projection of the pipe diameter) of the rotating head 10 have certain included angles (non-parallel) respectively, water can be driven to rotate the whole rotating head 10 when being led out from the plurality of nozzle pipes 11, water can be rotated by the spray head 8, and the spray treatment of a large amount of dust in the air is facilitated.

As shown in fig. 6, in order to make the water flow guided out from the spout pipe 11 have a higher jet speed, the spout pipe 11 provided in the present invention includes a bending section 12 and an accelerating section 13 connected together, the accelerating section 13 is in a reducer pipe structure, the accelerating section 13 includes a reducing section 14, a straight pipe section 15 and an expanding section 16 connected in sequence, wherein the reducing section 14 is connected with the bending pipe. The bending section 12 is of a straight pipe structure, and the central line of the bending section 12 and the pipe diameter direction of the rotating head 10 form an included angle, so that the rotating head 10 can be driven to rotate when a plurality of nozzle pipes 11 jet; the accelerating section 13 is of a reducing pipe structure, and can improve the jet speed of water flow compared with a straight pipe structure, increase the jet range of water flow derivation and further enlarge the spraying action area of the spray head 8.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims (6)

1. The utility model provides a tunnel excavation machinery is with spraying dust collector, the device with dig quick-witted cooperation installation, the device includes spray tube and water supply mechanism, its characterized in that: the spray pipe comprises a connecting pipe and a plurality of spray pipes communicated with the connecting pipe, wherein the connecting pipe is communicated with the water supply mechanism,

the plurality of spray pipes are arranged side by side at intervals along the length direction of the excavator operating arm, each spray pipe is of an annular structure annularly arranged along the excavator operating arm, and a plurality of spray heads communicated with each spray pipe are arranged on each spray pipe along the annular direction of each spray pipe.

2. The spraying dust removal device for the tunnel excavation machine of claim 1, characterized in that: a plurality of shower nozzles of each shower pipe are arranged along the outer side wall of each shower pipe in a surrounding mode, and each shower nozzle is an atomizing shower nozzle.

3. The spraying dust removal device for the tunnel excavation machine of claim 1, characterized in that: a plurality of spray heads of each spray pipe are arranged along the outer side wall of the spray pipe in a surrounding way,

each spray head comprises a rotating head communicated with the spray pipe and a plurality of spray opening pipes arranged on the rotating head, and the rotating head is rotatably connected with the spray pipe.

4. The spraying and dust removing device for the tunnel excavation machine of claim 3, characterized in that: the nozzle pipe comprises a bending section and an accelerating section which are connected, the bending section is communicated with the rotating head, the accelerating section is of a reducing pipe structure, the accelerating section comprises a reducing section, a straight pipe section and an expanding section which are connected in sequence, and the reducing section is connected with the bending pipe.

5. The spray dust removing device for the tunnel excavation machine according to claim 2 or 3, characterized in that: each spray pipe is communicated and connected with the connecting pipe through a transition pipe.

6. The spraying and dust removing device for the tunnel excavation machine of claim 5, wherein: the water supply mechanism comprises a water storage tank, a pressure pump and a water guide pipe which are sequentially communicated, the water storage tank and the pressure pump are arranged on the excavator body and are fixedly arranged with the excavator body,

the water guide pipe comprises a high-pressure hose and a fixed pipe which are sequentially connected, the high-pressure hose is communicated with the pressure pump and is connected with the excavator operating arm through a connecting piece, and the fixed pipe is connected with the connecting pipe and is fixed with the excavator operating arm.

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