CN212743926U - Double-medium water injector - Google Patents
Double-medium water injector Download PDFInfo
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- CN212743926U CN212743926U CN202021862197.7U CN202021862197U CN212743926U CN 212743926 U CN212743926 U CN 212743926U CN 202021862197 U CN202021862197 U CN 202021862197U CN 212743926 U CN212743926 U CN 212743926U
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Abstract
The utility model relates to the technical field of electric coal drill machinery, in particular to a double-medium water injector, which comprises a water inlet pipeline, a central water pipe, an inner fixed sleeve, a water injector main body, an outer air supply sleeve and an air inlet pipeline; the utility model discloses a water injector, including water filler main part, water inlet pipe, water inlet channel, air feed hole, air feed cavity, air feed channel, water filler main part, air feed cover, air feed cavity, air feed channel, water inlet pipe, water filler main part, air feed cover, air feed pipe, water filler main part, air feed hole, air feed cavity, air feed channel, water supply channel, air feed channel, water filler main part, air feed hole, water feed cavity, water. It can simultaneously convey two cooling and slag-discharging media of gas and water, and can protect drill rod.
Description
Technical Field
The utility model relates to a coal electric drill machinery technical field, concretely relates to two medium water injector.
Background
The drilling machine is formed by fixedly connecting a drill rod and a drill bit and is mainly used for grouting fire extinguishing holes, coal seam water injection holes, outburst prevention and pressure relief holes, geological exploration holes and other engineering holes in a coal mine.
During coal mining, various drilling holes are required to be drilled in a loose coal seam, a drilling machine is mostly subjected to dry drilling during working, flying dust generated during drilling of the drilling machine pollutes the surrounding environment under the action of fresh air flow and air pressure in the drilling machine, particularly, the dust concentration is higher in the range of 50m at the head of the drilling machine during head-on drilling of a ruler hole, most of working face operators are concentrated in the range, high-concentration dust brings great harm to constructors, workers inhale the dust for a long time, light people can suffer from respiratory inflammation and skin diseases, and serious people can suffer from pneumoconiosis; a large amount of dust can accelerate mechanical abrasion and shorten the service life of equipment. In addition, the drilling tool is damaged due to the phenomena of water injection and mud seepage caused by loose coal seams and blockage caused by the unfavorable condition of slag discharge.
It is very necessary to research a double-medium water injection device which is beneficial to slag discharge and cooling and enables a drill bit to be cooled.
Disclosure of Invention
In view of the defects of the prior art, the utility model provides a two medium water injectors, it can be simultaneously two kinds of cooling of gas, water and row's sediment medium, protection drilling rod.
In order to achieve the purpose, the technical scheme of the utility model is a double-medium water injector, which comprises a water inlet pipeline, a central water pipe, an inner side fixing sleeve, a water injector main body, an outer side air supply sleeve and an air inlet pipeline; the utility model discloses a water injector, including water filler main part, water inlet pipe, water inlet channel, air feed hole, air feed cavity, air feed channel, water filler main part, air feed cover, air feed cavity, air feed channel, water inlet pipe, water filler main part, air feed cover, air feed pipe, water filler main part, air feed hole, air feed cavity, air feed channel, water supply channel, air feed channel, water filler main part, air feed hole, water feed cavity, water.
Based on the technical scheme, the double-medium water injector forms two channels, the first channel is a gas conveying channel, gas enters from the gas inlet pipeline, passes through the gas supply cavity and enters the cavity on the outer side of the central water passing pipe through the gas passing hole to reach the lower part of the double-medium water injector. The second is a water conveying channel, and water enters a central water passing pipe from a water inlet pipeline to the lower part of the double-medium water injector; simultaneously, two cooling and slag discharging media of gas and water are conveyed to protect the drill rod.
Furthermore, 4 air passing holes are arranged and distributed in a scattering shape.
Based on above-mentioned technical scheme, the gas passing hole evenly sets up at annular air feed cavity inboard, can guarantee pressure symmetry, and equipment steady operation more.
Further, a first sealing element is arranged between the water injector main body and the central water passing pipe.
Preferably, the first sealing element comprises an annular sealing seat, a spring and a first sealing ring; the water injector is characterized in that an annular sealing seat is arranged on the inner side of the water injector main body, a plurality of springs are arranged in a groove of the annular sealing seat, the springs are connected with a first sealing ring, and the first sealing ring seals the water injector main body and the central water passing pipe.
Preferably, the annular sealing seat is a silicon carbide sealing seat made of high-wear-resistance materials.
Based on above-mentioned technical scheme, adopt dynamic seal form, even a period, first sealing washer is wearing and tearing to a certain extent. The spring makes first sealing washer contact center water pipe all the time, guarantees sealed effective.
Furthermore, a second sealing ring and a third sealing ring are arranged between the water injector main body and the outer side air supply sleeve, and the second sealing ring and the third sealing ring are respectively arranged on two sides of the air supply cavity.
Based on above-mentioned technical scheme, second sealing washer and third sealing washer seal up air feed cavity both sides.
Furthermore, a water inlet flow regulating valve is arranged on the water inlet pipeline.
Further, an air inlet flow regulating valve is arranged on the air inlet pipeline.
Based on the technical scheme, the flow and the on-off of the water conveying channel and the gas conveying channel can be respectively adjusted through the water inlet flow adjusting valve and the gas inlet flow adjusting valve, and the controllability of the device is greatly improved.
Furthermore, a water inlet pipeline is connected to water injector main part one end, and the water injector main part other end sets up drilling rod connection external screw thread.
The utility model discloses a working process: the gas enters from the gas inlet pipeline, passes through the gas supply cavity and enters the cavity outside the central water passing pipe through the gas passing hole to the lower part of the double-medium water injector. The second is a water conveying channel, and water enters a central water passing pipe from a water inlet pipeline to the lower part of the double-medium water injector; this process is connected through the bearing between center water pipe and the water injector main part, and both can take place relative rotation, and the water injector main part passes through the bearing with outside air feed cover and is connected, and both can take place relative rotation, can not influence the transport of gas and water.
The utility model has the advantages that: it can simultaneously convey two cooling and slag-discharging media of gas and water, and can protect drill rod.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a schematic structural view of a first seal member according to embodiment 2;
in the figure: 1. the water inlet pipe, 2, central water pipe, 3, the fixed cover of inboard, 4, the water injector main part, 4.1, cross the gas pocket, 4.2, drilling rod connection external screw thread, 5, the outside air feed cover, 5.1, the air feed cavity, 6, the air inlet pipe, 7, first bearing, 8, the second bearing, 9, first sealing member, 9.1, annular seal seat, 9.2, the spring, 9.3, first sealing washer, 10, the second sealing washer, 11, the third sealing washer.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Example 1
A double-medium water injector comprises a water inlet pipeline 1, a central water passing pipe 2, an inner side fixing sleeve 3, a water injector main body 4, an outer side air supply sleeve 5 and an air inlet pipeline 6; the fixed cover of 2 upper portions suit inboard 3 of central water passing pipe, central water passing pipe 2 of 1 UNICOM of inlet channel, the fixed cover of inboard 3 is connected to water injector main part 4 through first bearing 7, and water injector main part 4 is connected to outside air feed cover 5 through second bearing 8, and 5 inboard divisions of outside air feed cover have air feed cavity 5.1, and air feed cavity 5.1 outside is through air feed channel UNICOM to inlet channel 6, set up even number gas passing hole 4.1 on the water injector main part 4, gas passing hole 4.1 one side UNICOM to air feed cavity 5.1, gas passing hole 4.1 opposite side UNICOM to the 2 outside cavities of central water passing pipe.
Furthermore, 4 air passing holes are arranged and distributed in a scattering shape.
Further, a first sealing member 9 is arranged between the water injector main body 4 and the central water passing pipe 2.
Further, a second sealing ring 10 and a third sealing ring 11 are arranged between the water injector main body 4 and the outer side air supply sleeve 5, and the second sealing ring 10 and the third sealing ring 11 are respectively arranged on two sides of the air supply cavity.
Furthermore, water inlet pipe 1 is connected to 4 one ends of water injector main part, and 4 other ends of water injector main part set up drilling rod connection external screw thread 4.2.
Example 2
A double-medium water injector comprises a water inlet pipeline 1, a central water passing pipe 2, an inner side fixing sleeve 3, a water injector main body 4, an outer side air supply sleeve 5 and an air inlet pipeline 6; the fixed cover of 2 upper portions suit inboard 3 of central water passing pipe, central water passing pipe 2 of 1 UNICOM of inlet channel, the fixed cover of inboard 3 is connected to water injector main part 4 through first bearing 7, and water injector main part 4 is connected to outside air feed cover 5 through second bearing 8, and 5 inboard divisions of outside air feed cover have air feed cavity 5.1, and air feed cavity 5.1 outside is through air feed channel UNICOM to inlet channel 6, set up even number gas passing hole 4.1 on the water injector main part 4, gas passing hole 4.1 one side UNICOM to air feed cavity 5.1, gas passing hole 4.1 opposite side UNICOM to the 2 outside cavities of central water passing pipe.
Furthermore, 4 air passing holes are arranged and distributed in a scattering shape.
Further, a first sealing member 9 is arranged between the water injector main body 4 and the central water passing pipe 2.
Preferably, the first sealing element comprises an annular sealing seat 9.1, a spring 9.2 and a first sealing ring 9.3; the water injector is characterized in that an annular sealing seat 9.1 is arranged on the inner side of the water injector main body 4, a plurality of springs 9.2 are arranged in a groove of the annular sealing seat 9.1, the springs 9.2 are connected with a first sealing ring 9.3, and the first sealing ring 9.3 seals the water injector main body 4 and the central water passing pipe 2.
Preferably, the annular seal seat 9.1 is a high wear-resistant material silicon carbide seal seat.
Further, a second sealing ring 10 and a third sealing ring 11 are arranged between the water injector main body 4 and the outer side air supply sleeve 5, and the second sealing ring 10 and the third sealing ring 11 are respectively arranged on two sides of the air supply cavity.
Furthermore, a water inlet flow regulating valve is arranged on the water inlet pipeline 1.
Further, an intake flow regulating valve is arranged on the intake pipe 6.
Furthermore, water inlet pipe 1 is connected to 4 one ends of water injector main part, and 4 other ends of water injector main part set up drilling rod connection external screw thread 4.2.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (9)
1. A double-medium water injector is characterized in that: comprises a water inlet pipeline, a central water passing pipe, an inner side fixing sleeve, a water injector main body, an outer side air supply sleeve and an air inlet pipeline; the utility model discloses a water injector, including water filler main part, water inlet pipe, water inlet channel, air feed hole, air feed cavity, air feed channel, water filler main part, air feed cover, air feed cavity, air feed channel, water inlet pipe, water filler main part, air feed cover, air feed pipe, water filler main part, air feed hole, air feed cavity, air feed channel, water supply channel, air feed channel, water filler main part, air feed hole, water feed cavity, water.
2. The dual medium injector of claim 1, wherein: the number of the air passing holes is 4, and the air passing holes are distributed in a scattering shape.
3. The dual medium injector as claimed in claim 1 or 2, wherein: a first sealing element is arranged between the water injector main body and the central water passing pipe.
4. The dual medium injector of claim 3, wherein: the first sealing element comprises an annular sealing seat, a spring and a first sealing ring; the water injector is characterized in that an annular sealing seat is arranged on the inner side of the water injector main body, a plurality of springs are arranged in a groove of the annular sealing seat, the springs are connected with a first sealing ring, and the first sealing ring seals the water injector main body and the central water passing pipe.
5. The dual medium injector of claim 4, wherein: the annular sealing seat is a silicon carbide sealing seat made of high wear-resistant material.
6. The dual medium injector as claimed in claim 1 or 2, wherein: and a second sealing ring and a third sealing ring are arranged between the water injector main body and the outer side air supply sleeve, and the second sealing ring and the third sealing ring are respectively arranged on two sides of the air supply cavity.
7. The dual medium injector as claimed in claim 1 or 2, wherein: and the water inlet pipeline is provided with a water inlet flow regulating valve.
8. The dual medium injector as claimed in claim 1 or 2, wherein: and an air inlet flow regulating valve is arranged on the air inlet pipeline.
9. The dual medium injector as claimed in claim 1 or 2, wherein: a water inlet pipeline is connected to water injector main part one end, and the water injector main part other end sets up drilling rod connection external screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021862197.7U CN212743926U (en) | 2020-08-31 | 2020-08-31 | Double-medium water injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021862197.7U CN212743926U (en) | 2020-08-31 | 2020-08-31 | Double-medium water injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212743926U true CN212743926U (en) | 2021-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021862197.7U Active CN212743926U (en) | 2020-08-31 | 2020-08-31 | Double-medium water injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212743926U (en) |
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2020
- 2020-08-31 CN CN202021862197.7U patent/CN212743926U/en active Active
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