CN203822296U - Rocker arm of coal cutter, coal cutter and fully mechanized coal mining face - Google Patents
Rocker arm of coal cutter, coal cutter and fully mechanized coal mining face Download PDFInfo
- Publication number
- CN203822296U CN203822296U CN201420085223.8U CN201420085223U CN203822296U CN 203822296 U CN203822296 U CN 203822296U CN 201420085223 U CN201420085223 U CN 201420085223U CN 203822296 U CN203822296 U CN 203822296U
- Authority
- CN
- China
- Prior art keywords
- rocking arm
- coal
- wearing plate
- bolt
- surface portion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000005065 mining Methods 0.000 title claims abstract description 14
- 239000003245 coal Substances 0.000 title abstract description 17
- 238000003466 welding Methods 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 6
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 239000002699 waste material Substances 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 239000003818 cinder Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Abstract
The utility model provides a rocker arm of a coal cutter, a coal cutter and a fully mechanized coal mining face. The rocker arm of the coal cutter is characterized in that at least a part of region of the surface of a shell of the rocker arm is covered with a wear-resisting plate, the wear-resisting plate is detachably connected with the shell of the rocker arm; when the wear-resisting plate is heavily worn after being used for a period of time, the used wear-resisting plate can be directly detached underground any time and then replaced with a new wear-resisting plate, and no welding or lifting of the rocker arm is not required in the whole replacement process, and therefore the wear-resistant treatment process of the rocker arm is greatly simplified and the cost is reduced.
Description
Technical field
The utility model relates to ore deposit and adopts apparatus field, more specifically, relates to a kind of rocking arm, coal-winning machine and fully-mechanized mining working of coal-winning machine.
Background technology
The rocking arm of coal-winning machine is the executing agency of coal-winning machine, and one end of rocking arm is connected with the body of coal-winning machine, and the other end is provided with cylinder.During coal-winning machine underground work, when coal-winning machine body advances along drag conveyor, the cutter on cylinder rotates and cut coal seam, and the coal cinder under cut is exported by haulage device.During due to coal mining machine roller cut rib and coal seam and spoil Long contact time, and the shock loading that rocking arm is subject to when operation is larger, so near the end arc shell regions wear that the housing of rocking arm is especially positioned at cylinder is serious.It in prior art, is the wearing-in period that extends rocking arm housing, can do Wear-resistant Treatment to this place's rocking arm housing, conventionally the method adopting is at present that wearing layer is welded out in built-up welding on this place's rocking arm housing, to alleviate the abrasion condition of rocking arm end housing, the problem that the rocker arm strength of avoiding causing because of housing excessive wear reduces and rocking arm shortens application life.But after the long-term operation of coal-winning machine, wearing layer can be worn totally, now need repair welding wearing layer again, and down-hole is not suitable for using welding equipment conventionally, when being done to Wear-resistant Treatment again, rocking arm housing also needs rocking arm gug and then repair welding wearing layer, cause the Wear-resistant Treatment of rocking arm housing to waste time and energy, and cost is higher.In addition, due to welding rocking arm housing temperature distortion during wearing layer, the axiality of the cylinder installing hole of rocking arm can be affected, also the rocking arm life-span can be reduced.
Utility model content
An object of the present utility model is to provide a kind of rocking arm of coal-winning machine, to solve the problem that Wear-resistant Treatment wastes time and energy and cost is higher of the rocker arm of coal mining machine housing of prior art.Another object of the present utility model is to provide a kind of coal-winning machine and a kind of fully-mechanized mining working.
The rocking arm of the coal-winning machine that the utility model provides, at least part of region of the surface of shell of rocking arm is coated with wearing plate, and wearing plate and rocking arm housing removably connect.
Further, the first end of rocking arm is for being connected with the body of coal-winning machine, and the second end of rocking arm is provided with cylinder installing hole, and wearing plate is positioned on the surface of shell of rocking arm the second end.
Further, the housing of rocking arm the second end comprises arcuate surface portion and the transitional surface portion being connected with arcuate surface portion, and arcuate surface portion and cylinder installing hole coaxially arrange; Wearing plate is a plurality of, and a plurality of wearing plates are distributed in arcuate surface portion and transitional surface portion.
Further, wearing plate and rocking arm housing are bolted.
Further, between the head of bolt and wearing plate, be folded with lock washer.
Further, be welded with bolt protecting cover on wearing plate, the head of bolt is positioned at bolt protecting cover.
Further, bolt protecting cover is annular cover.
Further, the head of bolt is arranged with Bolt-protecting cap.
The coal-winning machine that the utility model provides, is provided with the rocking arm of above-mentioned coal-winning machine.
The fully-mechanized mining working that the utility model provides, is provided with above-mentioned coal-winning machine.
The rocker arm of coal mining machine that the utility model provides, in at least part of region of rocking arm surface of shell, the region of serious wear (for example) covers wearing plate in employing, the scheme that wearing plate and rocking arm housing removably connect is carried out Wear-resistant Treatment to rocking arm housing, when wearing plate is after use generation heavy wear after a while, can directly in down-hole, pull down at any time old wearing plate, change new wearing plate is installed, whole Renewal process does not need rocking arm gug without welding yet, Wear-resistant Treatment technique and the cost of rocking arm have greatly been simplified, overcome the problem that Wear-resistant Treatment wastes time and energy and cost is higher of rocker arm of coal mining machine housing in prior art.In addition, the process of wearing plate is installed because of without welding, has also just avoided rocking arm housing because welding issuable distortion, and then affected the problem of the axiality of cylinder installing hole, be conducive to improve the application life of rocking arm.
Accompanying drawing explanation
The accompanying drawing that forms a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 has schematically shown the plan structure of the rocking arm of the coal-winning machine that the utility model embodiment provides;
Fig. 2 has schematically shown the main TV structure of the rocking arm of the coal-winning machine that the utility model embodiment provides.
The specific embodiment
It should be noted that, in the situation that not conflicting, embodiment and the feature in embodiment in the application can combine mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.
Fig. 1 and Fig. 2 show the rocker structure of the coal-winning machine that the utility model embodiment provides.The first end 11 of rocking arm 1 is connected for the body (not shown) with coal-winning machine; the second end 12 of rocking arm 1 has cylinder installing hole (in figure not label); the cylinder (not shown) of cylinder installing hole for coal-winning machine is installed; coal-winning machine is when underground work, and the cutter on cylinder rotates and cut coal seam.
At least part of region of the surface of shell of rocking arm 1 is coated with wearing plate 2, in Fig. 1, can find out, in the present embodiment, wearing plate 2 is positioned on the surface of shell of rocking arm 1 second end, the rocking arm housing of this end is because near cylinder, easily produce and wear and tear with coal seam and spoil friction, wearing plate 2 removably connects with rocking arm housing, this place's rocking arm housing is carried out to Wear-resistant Treatment, like this, when wearing plate 2 is after use generation heavy wear after a while, can directly in down-hole, pull down at any time old wearing plate, change new wearing plate is installed, whole Renewal process does not need rocking arm 1 gug without welding yet, Wear-resistant Treatment technique and the cost of rocking arm 1 have greatly been simplified, overcome the problem that Wear-resistant Treatment wastes time and energy and cost is higher of rocker arm of coal mining machine housing in prior art, also reduced hand labor intensity.In addition, the process of wearing plate 2 is installed because of without welding, has also just avoided rocking arm housing because welding issuable temperature distortion, and then affected the problems such as axiality of cylinder installing hole, be conducive to improve the application life of rocking arm.
It should be noted that, wearing plate 2 can adopt and meet the steel plate of high-strength abrasion-proof steel plate > > standard for < < GB/T24186-2009 engineering machinery, can be also that the trade mark is WNM450A, WNM450B, WNM450C, WNM500A, WNM500B and WNM500C super wear resistance steel plate; Can also be the high-flexibility wear-resistant steel plates such as WNM360D, WNM360E, WNM400D or WNM400E, or WNM360L welding performance high abrasion steel plate; Or can also be that model is steel plate of t=(3.5+4.5) T03 or t=8/JFE-EH360 etc.Wearing plate 2 can be selected according to workload, job requirement, and can carry out as required Bending Processing with the surface of shell of laminating rocking arm, then by securing member, is removably mounted on rocking arm housing.
Preferably, referring to Fig. 2, can find out, in the present embodiment, the housing of rocking arm the second end 12 comprises arcuate surface portion 120 and the transitional surface portion 121 being connected with arcuate surface portion 120.Arcuate surface portion 120 coaxially arranges with cylinder installing hole, and transitional surface portion 121 can be also bending plate for straight plate, and arcuate surface portion 120 is connected with the middle part of rocking arm 1 housing by transitional surface portion 121.During rocking arm 1 operation, arcuate surface portion 120 and adjacent transitional surface portion 121 are the most serious position of wearing and tearing, and wearing plate 2 is preferably mounted in arcuate surface portion 120 and transitional surface portion 121.In addition, the mutual laminating for ease of wearing plate 2 with rocking arm housing, and the difficulty of processing that reduces wearing plate 2, wearing plate 2 can, for a plurality of, be distributed in arcuate surface portion 120 and transitional surface portion 121 a plurality of wearing plates.For example, in the present embodiment, the quantity of wearing plate 2 is three, is respectively wearing plate 21,22 and 23, and wearing plate 22 is fitted in arcuate surface portion 120 completely; Wearing plate 21 parts are fitted in arcuate surface portion 120, and part is fitted in the transitional surface portion 121 of arcuate surface portion 120 tops; Wearing plate 23 is fitted in the transitional surface portion 121 of arcuate surface portion 120 belows completely.
Preferably, in the present embodiment, on rocking arm housing He on wearing plate 2, be provided with bolt mounting holes, wearing plate 2 is connected by bolt 3 with rocking arm housing, adopt the wearing plate 2 of bolt 3 connections and the fastening and easily operation of dismounting between rocking arm housing, and cost is also low.Preferably, between the head of bolt 3 and wearing plate 2, be folded with lock washer 4.
For avoiding the head excessive wear of bolt 3 to cause the inconvenient problem of wearing plate 2 dismounting, preferably, in the present embodiment, on wearing plate 2, be welded with bolt protecting cover 5, referring to Fig. 2, this bolt protecting cover 5 is preferably annular cover, the head of bolt 3 is positioned at bolt protecting cover 5 inside, the wearing and tearing that may suffer to alleviate bolt 3 heads.Easily understand, the certain operating clearance in meeting interval between bolt protecting cover 5 and the head of bolt 3, so that spanner can be stuck in bolt head and tightens or looser a bolt.Certainly, in other embodiments, bolt protecting cover 5 can also have other suitable shape and structures.Preferably, can also protect bolt head by the mode of the sheathed Bolt-protecting cap of head at bolt 3, alleviate the degree of wear of bolt head, Bolt-protecting cap can adopt known structure.
It should be noted that, although it is example that the wearing plate 2 of take in the present embodiment is arranged on the housing of rocking arm the second end 12, but in other embodiments, on rocking arm the second end 12 housings that the installation site of wearing plate 2 is not limited to exemplify in above-described embodiment, wearing plate 2 can be arranged on any of rocking arm 1 as required need to carry out in the shell area of Wear-resistant Treatment.
The utility model also provides a kind of coal-winning machine, and this coal-winning machine is provided with the rocking arm of above-mentioned coal-winning machine.
The utility model also provides a kind of fully-mechanized mining working, and this fully-mechanized mining working is provided with above-mentioned coal-winning machine.
These are only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. a rocking arm for coal-winning machine, is characterized in that, at least part of region of the surface of shell of described rocking arm (1) is coated with wearing plate (2), and described wearing plate (2) removably connects with described rocking arm housing.
2. rocking arm according to claim 1, it is characterized in that, the first end (11) of described rocking arm (1) is for being connected with the body of coal-winning machine, second end (12) of described rocking arm (1) is provided with cylinder installing hole, and described wearing plate (2) is positioned on the surface of shell of described rocking arm (1) second end (12).
3. rocking arm according to claim 2, it is characterized in that, the housing of described rocking arm the second end (12) comprises arcuate surface portion (120) and the transitional surface portion (121) being connected with described arcuate surface portion (120), and described arcuate surface portion (120) coaxially arranges with described cylinder installing hole; Described wearing plate (2) is a plurality of, and described a plurality of wearing plates are distributed in described arcuate surface portion (120) and described transitional surface portion (121).
4. according to the rocking arm described in any one in claims 1 to 3, it is characterized in that, described wearing plate (2) is connected by bolt (3) with described rocking arm housing.
5. rocking arm according to claim 4, is characterized in that, between the head of described bolt (3) and described wearing plate (2), is folded with lock washer (4).
6. rocking arm according to claim 5, is characterized in that, is welded with bolt protecting cover (5) on described wearing plate (2), and the head of described bolt (3) is positioned at described bolt protecting cover (5).
7. rocking arm according to claim 6, is characterized in that, described bolt protecting cover (5) is annular cover.
8. rocking arm according to claim 5, is characterized in that, the head of described bolt (3) is arranged with Bolt-protecting cap.
9. a coal-winning machine, is characterized in that, is provided with the rocking arm of the coal-winning machine described in any one in claim 1 to 8.
10. a fully-mechanized mining working, is characterized in that, is provided with coal-winning machine claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420085223.8U CN203822296U (en) | 2014-02-26 | 2014-02-26 | Rocker arm of coal cutter, coal cutter and fully mechanized coal mining face |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420085223.8U CN203822296U (en) | 2014-02-26 | 2014-02-26 | Rocker arm of coal cutter, coal cutter and fully mechanized coal mining face |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203822296U true CN203822296U (en) | 2014-09-10 |
Family
ID=51477809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420085223.8U Expired - Fee Related CN203822296U (en) | 2014-02-26 | 2014-02-26 | Rocker arm of coal cutter, coal cutter and fully mechanized coal mining face |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203822296U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111960352A (en) * | 2020-07-31 | 2020-11-20 | 陕煤集团神木红柳林矿业有限公司 | Method for replacing rocker arm roller of fully mechanized coal mining face |
-
2014
- 2014-02-26 CN CN201420085223.8U patent/CN203822296U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111960352A (en) * | 2020-07-31 | 2020-11-20 | 陕煤集团神木红柳林矿业有限公司 | Method for replacing rocker arm roller of fully mechanized coal mining face |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140910 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |