CN101967972B - Mining equipment and spraying system thereof - Google Patents
Mining equipment and spraying system thereof Download PDFInfo
- Publication number
- CN101967972B CN101967972B CN201010298700A CN201010298700A CN101967972B CN 101967972 B CN101967972 B CN 101967972B CN 201010298700 A CN201010298700 A CN 201010298700A CN 201010298700 A CN201010298700 A CN 201010298700A CN 101967972 B CN101967972 B CN 101967972B
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- spraying system
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- excavation apparatus
- coal excavation
- drive cavity
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Abstract
The invention discloses a spraying system used for mining equipment, comprising a joint component (21) installed in the transmission cavity of the mining equipment, wherein the joint component is provided with an effluent path (22), one end of the effluent path (22) is communicated with the outer part of the transmission cavity, and the other end of the effluent part is communicated with a water inlet path (23) communicated with a water source; sealed components (24) are installed between the water inlet path and the transmission cavity; at least two sealed components are arranged along the axial direction of the joint component; and an isolated component (25) communicated with the outside of the transmission cavity is arranged between the two sealed components. When at least one of the two sealed components fails, water penetrates out of the transmission cavity by the isolated component so as to perform the early warning function for the failed sealed component. When the sealed component is damaged, the damaged component can be observed from outside so as to protect the transmission cavity when the sealed component fails. The invention also discloses mining equipment comprising the spraying system.
Description
Technical field
The present invention relates to miner's equipment technical field, particularly a kind of spraying system that is used for coal excavation apparatus.The invention still further relates to a kind of coal excavation apparatus that comprises above-mentioned spraying system.
Background technology
Along with the fast development of China's economic construction, coal industry constantly develops towards the direction of mechanization, automation, and comprehensive mechanical coal mining equipment is applied among the coal production of various geological conditionss more and more widely.
Coal excavation apparatus can produce amounts of dust in the coal mining process, and along with the continuous increase of coal-winning machine power, steps on speed though significantly improved returning of coal-face, has also caused rolling up of dust.In Coal Production; The dust-producing amount of fully-mechanized mining working is very big, account for whole coal-face and produce six to seventy percent of dirt, and the product dirt during the coal-winning machine coal cutting accounts for about 70% of whole fully-mechanized mining working; The dust serious harm health of high concentration; And to mine safety production brings accident potential, therefore, the internal spraying system that in coal excavation apparatus, is provided for dedusting is the direct approach that reduces dust; Spraying system is one of core system of coal excavation apparatus, and the performance of spraying system directly has influence on the quality of coal excavation apparatus.
Please refer to Fig. 1, Fig. 1 is a kind of structural representation that typically is used for the spraying system of coal excavation apparatus.
This spraying system comprises the contiguous block 12 in the drum shaft 11 that is installed in coal excavation apparatus; This contiguous block 12 is fixedly mounted in the axial hole of drum shaft 11 through the mode of blind dress; Axially offer water outlet 13 along contiguous block 12; One end of water outlet 13 is communicated with the position that needs dedusting, and the other end is communicated with inlet channel 14, and inlet channel 14 is communicated with the water source; Between the inwall of the axial hole of contiguous block 12 and drum shaft 11, sealing ring 15 is installed, gets into the drive cavity of coal excavation apparatus with the water under high pressure that prevents to spray usefulness.
But, because in the course of work of coal excavation apparatus, sealing ring 15 possibly be damaged; When sealing ring 15 damages; Whether water under high pressure can enter into the drive cavity of coal excavation apparatus, and damaged owing to observing sealing ring 15 in the outside of coal excavation apparatus, often when finding that sealing ring 15 damages; A plurality of drive cavities of coal excavation apparatus are water inlet in a large number; Not only influence the spraying and dedusting effect, also can cause the mechanism in the drive cavity because water inlet and can't operate as normal has a strong impact on the service behaviour of coal excavation apparatus.
Therefore, how can whether be damaged to seal member, thereby when seal member loses efficacy, drive cavity was in time protected, improve the service behaviour of coal excavation apparatus, just become the problem that those skilled in the art need solve in the visual observation of coal excavation apparatus.
Summary of the invention
The purpose of this invention is to provide a kind of spraying system that is used for coal excavation apparatus, when its seal member is damaged, can externally observe, thereby when seal member loses efficacy, drive cavity protected in time, improved the service behaviour of coal excavation apparatus.Another object of the present invention provides a kind of coal excavation apparatus that comprises above-mentioned spraying system.
For solving the problems of the technologies described above; The present invention provides a kind of spraying system that is used for coal excavation apparatus, comprises the link in the drive cavity that is installed in said coal excavation apparatus, offers water outlet on the said link; One end of said water outlet and the external communications of said drive cavity; The other end is communicated with the inlet channel that is communicated with the water source, between said inlet channel and the said drive cavity seal member is installed, and the number of said seal member is at least two; And the axial setting along said link is equipped with the isolated part that is communicated with the external world of said drive cavity between the two said seal members; Also comprise the end cap that is installed on the outer bearing support of said drum shaft, said inlet channel is opened on the said end cap, and said seal member is installed between said end cap and the said link.
Preferably, the shape of cross section everywhere of said link is circle, and said water outlet axially offering along said link.
Preferably, said link is installed on the drum shaft of said coal excavation apparatus through first bolt.
Preferably, the number of said first bolt is four, and each said first bolt circumferentially evenly being provided with along said link.
Preferably, said end cap is installed on said bearing support through second bolt.
Preferably, said bearing support offers drain hole, and said isolated part is communicated with the external world of said drive cavity through said drain hole.
Preferably, the end of said drain hole is equipped with plug.
Preferably; Said seal member comprises the outer ring of being fixed in said end cap; With the inner ring that is pressed in said link, between said inner ring and the said outer ring helical spring is installed, and said helical spring elastic force and said seal member has predetermined angular diametrically; Said predetermined angular is for putting on the angle that the size of the thrust on the said link is complementary with its inner ring.
The present invention also provides a kind of coal excavation apparatus, comprises drive cavity, is installed on the drum shaft in the said drive cavity and is installed on the spraying system in the said drive cavity, and said spraying system is as above-mentioned each described spraying system.
The spraying system that is used for coal excavation apparatus provided by the present invention; Comprise the link in the drive cavity that is installed in said coal excavation apparatus; Offer water outlet on the said link; One end of said water outlet and the external communications of said drive cavity, the other end is communicated with the inlet channel that is communicated with the water source, between said inlet channel and the said drive cavity seal member is installed; The number of said seal member is at least two, and the axial setting of the said link in edge, between the two said seal members isolated part that is communicated with the external world of said drive cavity is installed; Like this; In the course of work of spraying system, if near the situation that the seal member of inlet channel one side damages or two seal members all lost efficacy, the isolated part in the middle of two seal members is connected with inlet channel; Water can be seeped into the outside of drive cavity through isolated part; Thereby forewarning function is played in the inefficacy to seal member, when seal member is damaged, can externally observe; Thereby when seal member loses efficacy, drive cavity was protected in time, improved the service behaviour of coal excavation apparatus.
A kind of preferred embodiment in; Link provided by the present invention is installed on through first bolt on the drum shaft of coal excavation apparatus, like this, can realize installing simply and easily spraying system; Simplify the maintenance and the maintenance process of spraying system, improved the maintainability of spraying system.
Description of drawings
Fig. 1 is a kind of structural representation that typically is used for the spraying system of coal excavation apparatus;
Fig. 2 is the structural representation that is used for a kind of specific embodiment of spraying system of coal excavation apparatus provided by the present invention.
The specific embodiment
Core of the present invention provides a kind of spraying system that is used for coal excavation apparatus, when its seal member is damaged, can externally observe, thereby when seal member loses efficacy, drive cavity protected in time, has improved the service behaviour of coal excavation apparatus.Another core of the present invention provides a kind of coal excavation apparatus that comprises above-mentioned spraying system.
In order to make those skilled in the art person understand technical scheme of the present invention better, the present invention is done further detailed description below in conjunction with the accompanying drawing and the specific embodiment.
Please refer to Fig. 2, Fig. 2 is the structural representation that is used for a kind of specific embodiment of spraying system of coal excavation apparatus provided by the present invention.
In a kind of specific embodiment, the spraying system that is used for coal excavation apparatus provided by the present invention comprises the link 21 in the drive cavity that is installed in coal excavation apparatus; Offer water outlet 22 on this link 21, an end of water outlet 22 and the external communications of drive cavity, the other end is communicated with inlet channel 23; And an end of inlet channel 23 is communicated with the water source, and this water source is generally high-pressure water, can produce water under high pressure; Water under high pressure enters into water outlet 22 through inlet channel 23; And spraying the position that needs dedusting of coal excavation apparatus through water outlet 22, water outlet 22 ends can be equipped with shower nozzle usually, and spray out the dedusting water of atomizing through shower nozzle.When preventing that water under high pressure from flowing in inlet channel 23 and water outlet 22; Get in the drive cavity of coal excavation apparatus, thereby the mechanism in the drive cavity is protected, between inlet channel 23 and said drive cavity, seal member 24 is installed; The number of sealing parts 24 is at least two; And along the axial setting of link 21, between two seal members 24 isolated part 25 is installed, this isolated part 25 is communicated with the external world of drive cavity.
It is to be noted; Because effect of factors such as stressed and friction; In the course of the work, lost efficacy more easily than second seal member, and two seal members 24 seldom took place damage the situation that perhaps second seal member at first damages simultaneously away from inlet channel 23 near first seal member of inlet channel 23; Therefore, this specific embodiment is many lost efficacy, was example during the second seal member operate as normal with first seal member.
Isolated part 25 provided by the present invention specifically can be shading ring; This shading ring circumferential hoop is around 21 1 weeks of link, and the center offers water stream channel, when first seal member takes place to lose efficacy; The water stream channel of offering in the isolated part 25 is connected with inlet channel 23; Because isolated part 25 is connected with the external world of drive cavity, water under high pressure can be seeped into the outside of equipment through the water stream channel at shading ring middle part, so that the staff can in time find the partial failure of seal member 24.Simultaneously, when first seal member and second seal member all lost efficacy, shading ring can seep water outside equipment equally, equally can play warning function, avoided the generation that further destroys, protected the mechanism in the drive cavity to a certain extent.
Above-mentioned isolated part 25 also is not limited to shading ring, and it also can be some column structures, and these independent column structures circumferentially are installed on the link 21 along link 21, and each column structure offers the water stream channel that is in communication with the outside respectively.
Above-mentioned helical spring spiral angle should be according in the actual use, and inner ring need put on the size of the thrust on the link 21 confirms that when this thrust required greatly, spiral angle also should correspondingly increase.
The shape of cross section everywhere of link 21 provided by the present invention can be circle; Also be that link 21 is formed by at least one section cylindrical configuration; Above-mentioned water outlet 22 axially offering along link 21; Because cylindrical being easier to processed, and link 21 is designed at least one end cylindrical configuration simplified processing technology, simultaneously; Because most standard seal parts are loop configuration, the link 21 of this kind form of structure also can be realized the matching performance with seal member 24 better.
Can offer the boss of suitable thickness on the link 21, boss is connected with drum shaft 27 through first bolt 26, because the thickness of boss is much smaller than the gross thickness of link 21, thereby has reduced the be connected difficulty of link 21 with drum shaft 27.
The number of first bolt 26 can be four, and each first bolt 26 is along the circumferentially evenly setting of link 21, so that guarantee the installation strength of link 21 on drum shaft 27.
Apparently, the number of first bolt 26 also is not limited to four, also can be for two, three or more than four.Each first bolt 26 also is not limited to the circumferentially evenly setting along link 21, also can non-homogeneously be provided with.
The spraying system that is used for coal excavation apparatus provided by the present invention; Can also comprise the end cap 29 on the bearing support 28 that is installed on outside the drum shaft 27; Inlet channel 23 is opened in end cap 29, and seal member 24 is installed between end cap 29 and the link 21, so that further simplify the structure of spraying system; Reduce its axial length, save working space.
Can offer drain hole 211 on the bearing support 28 provided by the present invention, isolated part 25 is communicated with the external world of drive cavity through drain hole 211, and it is comparatively convenient on bearing support 28, to offer drain hole 211, can practice thrift processing cost, reduces the processing technology difficulty.Apparently, the drain hole 211 that is communicated with isolated part 25 also is not limited to and is opened on the bearing support 28, also can be opened in other and can realize the position that is in communication with the outside for example can being opened on the end cap 29.
The end of above-mentioned drain hole 211 is equipped with plug 212, because the coal excavation apparatus long-term work in the more operating mode of dust, is installed plug 212 at the end of drain hole 211 and can be prevented that drain hole 211 from stopping up, and guarantee that water under high pressure can ooze out smoothly.
The end that it is pointed out that drain hole 211 is meant the end of drain hole 211 near the external world.
In Fig. 2; Inlet channel 23 is opened on the drive cavity bearing support 28 and end cap 29 of coal excavation apparatus, and just inlet channel 23 is opened in the bottom of mechanism, and two seal members 24 generally all should be installed on the top of inlet channel 23; Water outlet 22 is opened on the link 21; And also offer passage on the drum shaft 27, an end of water outlet 22 is connected with passage on the drum shaft 27, and the other end is connected with inlet channel 23.Apparently; Above-mentioned inlet channel 23 also can be not according to offering with upper type with water outlet 22; Pass through inlet channel 23 as long as can realize the water under high pressure in the high-pressure water; Need the position of dedusting to get final product in the coal excavation apparatus being ejected to through water outlet 22, inlet channel 23 and water outlet 22 specifically offer the restriction that position and structure should not receive this manual.
Except above-mentioned spraying system, the present invention also provides a kind of coal excavation apparatus that comprises above-mentioned spraying system, and other each several part structures of this coal excavation apparatus please refer to prior art, repeat no more at this.
More than a kind of coal excavation apparatus provided by the present invention and spraying system thereof have been carried out detailed introduction.Used concrete example among this paper principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (9)
1. spraying system that is used for coal excavation apparatus; Comprise the link (21) in the drive cavity that is installed in said coal excavation apparatus; Offer water outlet (22) on the said link (21); One end of said water outlet (22) and the external communications of said drive cavity, the other end are communicated with the inlet channel (23) that is communicated with the water source, and seal member (24) is installed between said inlet channel (23) and the said drive cavity; It is characterized in that the number of said seal member (24) is at least two, and the axial setting of the said link in edge (21), the isolated part (25) that is communicated with the external world of said drive cavity is installed between the two said seal members (24); Also comprise the end cap (29) that is installed on the outer bearing support (28) of said drum shaft (27), said inlet channel (23) is opened on the said end cap (29), and said seal member (24) is installed between said end cap (29) and the said link (21).
2. the spraying system that is used for coal excavation apparatus according to claim 1 is characterized in that, the shape of cross section everywhere of said link (21) is circle, and said water outlet (22) axially offering along said link (21).
3. the spraying system that is used for coal excavation apparatus according to claim 2 is characterized in that, said link (21) is installed on the drum shaft (27) of said coal excavation apparatus through first bolt (26).
4. the spraying system that is used for coal excavation apparatus according to claim 3 is characterized in that, the number of said first bolt (26) is four, and each said first bolt (26) circumferentially evenly being provided with along said link (21).
5. the spraying system that is used for coal excavation apparatus according to claim 1 is characterized in that, said end cap (29) is installed on said bearing support (28) through second bolt (210).
6. the spraying system that is used for coal excavation apparatus according to claim 5 is characterized in that, said bearing support (28) offers drain hole (211), and said isolated part (25) is communicated with the external world of said drive cavity through said drain hole (211).
7. the spraying system that is used for coal excavation apparatus according to claim 6 is characterized in that, the end of said drain hole (211) is equipped with plug (212).
8. the spraying system that is used for coal excavation apparatus according to claim 1; It is characterized in that; Said seal member (24) comprises the outer ring of being fixed in said end cap (29); With the inner ring that is pressed in said link (21), between said inner ring and the said outer ring helical spring is installed, and said helical spring elastic force and said seal member (24) has predetermined angular diametrically; Said predetermined angular is for putting on the angle that the size of the thrust on the said link (21) is complementary with its inner ring.
9. a coal excavation apparatus comprises drive cavity, is installed on the drum shaft (27) in the said drive cavity and is installed on the spraying system in the said drive cavity, it is characterized in that said spraying system is like each described spraying system of claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010298700A CN101967972B (en) | 2010-09-28 | 2010-09-28 | Mining equipment and spraying system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010298700A CN101967972B (en) | 2010-09-28 | 2010-09-28 | Mining equipment and spraying system thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101967972A CN101967972A (en) | 2011-02-09 |
| CN101967972B true CN101967972B (en) | 2012-10-24 |
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ID=43547182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010298700A Expired - Fee Related CN101967972B (en) | 2010-09-28 | 2010-09-28 | Mining equipment and spraying system thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN101967972B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102996128B (en) * | 2012-11-19 | 2015-05-13 | 重庆松藻煤电有限责任公司 | Spraying device in coal mining machine |
| CN109779629B (en) * | 2019-01-28 | 2024-04-16 | 黄山市徽州安华工程机械有限公司 | Spray dust-fall cutting head |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3528441A1 (en) * | 1985-08-08 | 1987-02-19 | Hausherr & Soehne Rudolf | Rotary transmission leadthrough |
| RU2054543C1 (en) * | 1993-03-23 | 1996-02-20 | Центральный научно-исследовательский и проектно-конструкторский институт проходческих машин и комплексов для угольной, горной промышленности и подземного строительства | Device for delivery of sprinkling fluid to drill bit of working member of continuous miner |
| CN2929186Y (en) * | 2006-05-10 | 2007-08-01 | 三一重型装备有限公司 | Spray seal device in tunnelling machine |
| CN201144700Y (en) * | 2007-12-19 | 2008-11-05 | 三一重型装备有限公司 | Inner-water-spraying system for coal mine fully-mechanized face coal cutter |
| CN201148874Y (en) * | 2007-12-26 | 2008-11-12 | 三一重型装备有限公司 | Inner spray sealing device of development machine |
| CN201763344U (en) * | 2010-09-28 | 2011-03-16 | 三一重型装备有限公司 | Coal mining device and spraying system thereof |
-
2010
- 2010-09-28 CN CN201010298700A patent/CN101967972B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3528441A1 (en) * | 1985-08-08 | 1987-02-19 | Hausherr & Soehne Rudolf | Rotary transmission leadthrough |
| RU2054543C1 (en) * | 1993-03-23 | 1996-02-20 | Центральный научно-исследовательский и проектно-конструкторский институт проходческих машин и комплексов для угольной, горной промышленности и подземного строительства | Device for delivery of sprinkling fluid to drill bit of working member of continuous miner |
| CN2929186Y (en) * | 2006-05-10 | 2007-08-01 | 三一重型装备有限公司 | Spray seal device in tunnelling machine |
| CN201144700Y (en) * | 2007-12-19 | 2008-11-05 | 三一重型装备有限公司 | Inner-water-spraying system for coal mine fully-mechanized face coal cutter |
| CN201148874Y (en) * | 2007-12-26 | 2008-11-12 | 三一重型装备有限公司 | Inner spray sealing device of development machine |
| CN201763344U (en) * | 2010-09-28 | 2011-03-16 | 三一重型装备有限公司 | Coal mining device and spraying system thereof |
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| Publication number | Publication date |
|---|---|
| CN101967972A (en) | 2011-02-09 |
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Granted publication date: 20121024 Termination date: 20130928 |