CN202832546U - Inner spray dust removing device of roadheader - Google Patents
Inner spray dust removing device of roadheader Download PDFInfo
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- CN202832546U CN202832546U CN 201220518474 CN201220518474U CN202832546U CN 202832546 U CN202832546 U CN 202832546U CN 201220518474 CN201220518474 CN 201220518474 CN 201220518474 U CN201220518474 U CN 201220518474U CN 202832546 U CN202832546 U CN 202832546U
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- working arm
- water cavity
- development machine
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Abstract
The utility model discloses an inner spray dust removing device of roadheader, which comprises a working arm and a cutting head arranged at one end of the working arm. The device takes the working arm as the casing thereof, and comprises a fluid transmission channel and a spray water cavity arranged in the working arm, wherein one end of the fluid transmission channel is connected with the spray water cavity and the other end is provided with a high-pressure sealing assembly of which one end is provided with a fluid inlet. The device further comprises a plurality of nozzles arranged at the cutting head, wherein the spray water cavity is connected with each nozzle. The inner spray dust removing device of roadheader disclosed by the utility model enhances the reliability and working pressure of inner spray dust removal of the underground cantilever type roadheader. By the reliable structure design and the sealing design, the working pressure of the inner spray waterway system is increased to 8 to 10 MPa, and the spray formed under high pressure can effectively catch dust and greatly improve the production environment of the working face.
Description
Technical field
The utility model belongs to technical field of engineering machinery, relates to a kind of development machine, relates in particular to a kind of internal spraying dust arrester of development machine.
Background technology
Nowadays, be typically provided with spray dust remover at development machine, its effect is the rotation along with cutting head in the development machine Denver Nuggets process, and ejection water smoke is realized dedusting, cooling function to cutting head and coal petrography contact position when realizing Rock and coal cutting.
The structure of existing spray dust remover is to be processed with the venturi helix in nozzle inner walls, makes the water rotation with vaporific ejection.Yet because environment is abominable in the coal mining process, solid particle is more, and often with the rib extruding, collide, the easy blockage phenomenon of jet expansion is so that development machine can't work.
In view of this, nowadays in the urgent need to designing a kind of internal spraying dust arrester of new development machine, so that development machine can work under adverse circumstances.
The utility model content
Technical problem to be solved in the utility model is: a kind of internal spraying dust arrester of development machine is provided, can improves the reliability of water-stop, increase the service life.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of internal spraying dust arrester of development machine, development machine comprise working arm, are arranged at the cutting head of working arm one end; Described device utilizes working arm as its housing, and described device comprises fluid delivery channel, the spraying water cavity that is arranged in the working arm; One end of described fluid delivery channel connects the spraying water cavity, and the other end is provided with high-pressure sealing component; One end of high-pressure sealing component is provided with fluid intake; Described device also comprises the some nozzles that are arranged at the cutting head place, and described spraying water cavity connects each nozzle.
As a kind of preferred version of the present utility model, described fluid delivery channel comprises rear pipeline, pipeline adapter sleeve, front pipeline; One end connecting line adapter sleeve of described rear pipeline, the other end connects high-pressure sealing component; One end connecting line adapter sleeve of described front pipeline, the other end connect the spraying water cavity.
As a kind of preferred version of the present utility model, described high-pressure sealing component comprises water supply connector, rear copper packing, rear support body, front support body, front copper packing, watertight seal, bearing, oil sealing, and water supply connector, rear support body, front support body connect successively; Described rear copper packing is arranged between water supply connector, the rear support body, rear support body and rear pipeline contact position arrange described front copper packing, watertight seal, the contact position of front support body and rear pipeline arranges described bearing, between described front support body and the cutting motor described oil sealing is set.
As a kind of preferred version of the present utility model, described fluid delivery channel connects the spraying water cavity by the working arm main shaft.
As a kind of preferred version of the present utility model, described working arm is provided with cutting motor, shaft coupling, the cutting speed reducer that connects successively.
The beneficial effects of the utility model are: the internal spraying dust arrester of the development machine that the utility model proposes, improved reliability and the operating pressure of down-hole boom-type roadheader internal spraying depositing dust.By reliable structure design and Seal Design, the operating pressure of internal spraying water circuit system is brought up to 8～10Mpa, the spraying that under high pressure forms can effectively catch dust, improves greatly the production environment of work plane.The utility model adopts cutting motor hollow technology, design arrangement multistage, minor diameter internal spraying passage, and the advantage of comparing traditional internal spraying structure is as follows:
1, the sealing tactical diameter of the utility model device is little, and 22mm is only arranged, and the linear velocity of water under high pressure sealing surface reduces, and 0.037m/s is only arranged, and the chances are 1/10th of traditional structure, reliability and the application life of so greatly having improved water-stop.
2, black box of the present utility model is arranged in the cutting motor rear portion, and it is lighter, convenient to install and change sealing, need not to dismantle comparatively heavy cutting head and working arm again.
3, the utility model is provided with the rotation water seal of minor diameter, and rated pressure is up to 20MPa, for the internal spraying pressure of the 8～10Mpa of system provides more reliable dynamic sealing technology guarantee;
4, imported with original packaging (slimirt) product is adopted in the water seal of internal spraying rotating water sealing assembly place, and the liquid drugs injection sealing surfaces has been taked special superpressed processing, and sealing is reliable, and durability is strong.
Description of drawings
Fig. 1 is the structural representation of the utility model internal spraying dust arrester.
Fig. 2 is the structural representation of high-pressure sealing component.
The specific embodiment
Describe preferred embodiment of the present utility model in detail below in conjunction with accompanying drawing.
Embodiment one
See also Fig. 1, the utility model has disclosed a kind of internal spraying dust arrester of development machine, and development machine comprises working arm, is arranged at the cutting head 1 of working arm one end; Described working arm is provided with cutting motor 6, shaft coupling 5, the cutting speed reducer 4 that connects successively.
Described internal spraying dust arrester utilizes working arm as its housing, and described device comprises fluid delivery channel, the spraying water cavity 2 that is arranged in the working arm 1; One end of described fluid delivery channel connects spraying water cavity 2, and the other end is provided with high-pressure sealing component 7; One end of high-pressure sealing component 7 is provided with fluid intake 11; Described device also comprises the some nozzles that are arranged at the cutting head place, and described spraying water cavity 2 connects each nozzle.
Particularly, described fluid delivery channel comprises rear water pipe 8, pipeline adapter sleeve 9, front water pipe 10; One end connecting line adapter sleeve 9 of described rear water pipe 8, the other end connects high-pressure sealing component 7; One end connecting line adapter sleeve 9 of described front water pipe 10, the other end connect spraying water cavity 2.In addition, the front water pipe 10 of described fluid delivery channel connects spraying water cavity 2 by working arm main shaft 3.
See also Fig. 2, described high-pressure sealing component 7 comprises water supply connector 77, rear copper packing 78, rear support body 79, front support body 70, front copper packing 75, watertight seal 76, bearing 74, oil sealing 73, and water supply connector 77, rear support body 79, front support body 70 connect successively; Described rear copper packing 78 is arranged between water supply connector 77, the rear support body 79, rear support body 79 arranges described front copper packing 75, watertight seal 76 with rear water pipe 8 contact positions, front support body 70 arranges described bearing 74 with the contact position of rear water pipe 8, and described oil sealing 73 is set between described front support body 70 and the cutting motor 6.
Operating principle of the present utility model is as follows:
Utilize import high pressure, large flow integrated motor water pump group to provide high-pressure water as internal spraying system, 8～10Mpa water under high pressure feeds from water inlet 11 shown in Figure 1, be provided to successively the spraying water cavity 2 of rotary cutting head behind high-pressure sealing component 7 by minor diameter, rear water pipe 8, water pipe adapter sleeve 9, front water pipe 10, working arm main shaft 3, the cutting head 1, form 8～10Mpa high-pressure water mist from cutting head 1 nozzle, realize depositing dust.
As shown in Figure 2, when water under high pressure entered, the inner ring of rear water pipe 8 and bearing 74 was with the speed rotation of 30～50r/min, and remaining parts and cutting motor 6 maintain static.Watertight seal 76 forms with rear water pipe 8 and relatively rotates and simultaneously water under high pressure is sealed.
In sum, the internal spraying dust arrester of the development machine that the utility model proposes has improved reliability and the operating pressure of down-hole boom-type roadheader internal spraying depositing dust.By reliable structure design and Seal Design, the operating pressure of internal spraying water circuit system is brought up to 8～10Mpa, the spraying that under high pressure forms can effectively catch dust, improves greatly the production environment of work plane.The utility model adopts cutting motor hollow technology, design arrangement multistage, minor diameter internal spraying passage, and the advantage of comparing traditional internal spraying structure is as follows:
1, the sealing tactical diameter of the utility model device is little, and 22mm is only arranged, and the linear velocity of water under high pressure sealing surface reduces, and 0.037m/s is only arranged, and the chances are 1/10th of traditional structure, reliability and the application life of so greatly having improved water-stop.
2, black box of the present utility model is arranged in the cutting motor rear portion, and it is lighter, convenient to install and change sealing, need not to dismantle comparatively heavy cutting head and working arm again.
3, the utility model is provided with the rotation water seal of minor diameter, and rated pressure is up to 20MPa, for the internal spraying pressure of the 8～10Mpa of system provides more reliable dynamic sealing technology guarantee;
4, imported with original packaging (slimirt) product is adopted in the water seal of internal spraying rotating water sealing assembly place, and the liquid drugs injection sealing surfaces has been taked special superpressed processing, and sealing is reliable, and durability is strong.
Here description of the present utility model and application is illustrative, is not to want with scope restriction of the present utility model in the above-described embodiments.Here the distortion of disclosed embodiment and change is possible, and the various parts of the replacement of embodiment and equivalence are known for those those of ordinary skill in the art.Those skilled in the art are noted that in the situation that does not break away from spirit of the present utility model or substantive characteristics, and the utility model can be with other form, structure, layout, ratio, and realize with other assembly, material and parts.In the situation that does not break away from the utility model scope and spirit, can carry out other distortion and change to disclosed embodiment here.
Claims (5)
1. the internal spraying dust arrester of a development machine is characterized in that, development machine comprises working arm, is arranged at the cutting head of working arm one end;
Described device utilizes working arm as its housing, and described device comprises fluid delivery channel, the spraying water cavity that is arranged in the working arm;
One end of described fluid delivery channel connects the spraying water cavity, and the other end is provided with high-pressure sealing component; One end of high-pressure sealing component is provided with fluid intake;
Described device also comprises the some nozzles that are arranged at the cutting head place, and described spraying water cavity connects each nozzle.
2. the internal spraying dust arrester of development machine according to claim 1 is characterized in that:
Described fluid delivery channel comprises rear pipeline, pipeline adapter sleeve, front pipeline; One end connecting line adapter sleeve of described rear pipeline, the other end connects high-pressure sealing component; One end connecting line adapter sleeve of described front pipeline, the other end connect the spraying water cavity.
3. the internal spraying dust arrester of development machine according to claim 2 is characterized in that:
Described high-pressure sealing component comprises water supply connector, rear copper packing, rear support body, front support body, front copper packing, watertight seal, bearing, oil sealing, and water supply connector, rear support body, front support body connect successively;
Described rear copper packing is arranged between water supply connector, the rear support body, rear support body and rear pipeline contact position arrange described front copper packing, watertight seal, the contact position of front support body and rear pipeline arranges described bearing, between described front support body and the cutting motor described oil sealing is set.
4. the internal spraying dust arrester of development machine according to claim 1 and 2 is characterized in that:
Described fluid delivery channel connects the spraying water cavity by the working arm main shaft.
5. the internal spraying dust arrester of development machine according to claim 1 is characterized in that:
Described working arm is provided with cutting motor, shaft coupling, the cutting speed reducer that connects successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220518474 CN202832546U (en) | 2012-10-10 | 2012-10-10 | Inner spray dust removing device of roadheader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220518474 CN202832546U (en) | 2012-10-10 | 2012-10-10 | Inner spray dust removing device of roadheader |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202832546U true CN202832546U (en) | 2013-03-27 |
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ID=47944278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220518474 Expired - Fee Related CN202832546U (en) | 2012-10-10 | 2012-10-10 | Inner spray dust removing device of roadheader |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202832546U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104832173A (en) * | 2015-04-07 | 2015-08-12 | 徐州徐工基础工程机械有限公司 | High-pressure water sealing device for heading machine and heading machine |
| CN108087557A (en) * | 2017-12-07 | 2018-05-29 | 张文涛 | A kind of sealed coalcutter internal spraying oil isolated from water rotary sealing system of multi-stage mechanical |
-
2012
- 2012-10-10 CN CN 201220518474 patent/CN202832546U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104832173A (en) * | 2015-04-07 | 2015-08-12 | 徐州徐工基础工程机械有限公司 | High-pressure water sealing device for heading machine and heading machine |
| CN108087557A (en) * | 2017-12-07 | 2018-05-29 | 张文涛 | A kind of sealed coalcutter internal spraying oil isolated from water rotary sealing system of multi-stage mechanical |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130327 Termination date: 20131010 |