CN101555789A - Shearer drum with lateral wall-caving cutting pick - Google Patents
Shearer drum with lateral wall-caving cutting pick Download PDFInfo
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- CN101555789A CN101555789A CNA2009100153006A CN200910015300A CN101555789A CN 101555789 A CN101555789 A CN 101555789A CN A2009100153006 A CNA2009100153006 A CN A2009100153006A CN 200910015300 A CN200910015300 A CN 200910015300A CN 101555789 A CN101555789 A CN 101555789A
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- lateral wall
- end plate
- caving
- pick
- cutting pick
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Abstract
The invention relates to a shearer drum with a lateral wall-caving cutting pick, which can reduce the hardness of the coal layer of the lateral wall, the frictional force caused by the rotation of the drum as well as the extruding force, protect an end plate and an end cover of the drum from being damaged, reduce the accident rate and prolong the service life. The shearer drum comprises a drum body, wherein, an end cover is installed at the upper port of the drum body, an end plate is installed outside the upper port of the drum body, an end plate pick is installed on the side surface of the end plate along the circumferential direction, a lateral wall-caving cutting pick is installed on the upper surface of the end plate, and the sloping directions of the end plate pick and the lateral wall-caving cutting pick are consistent; a flange ring is connected in the upper port of the drum body, and the end cover is installed on the flange ring; and a connecting flange is installed in the drum body and is positioned below the flange ring, and a strengthening sizing block is arranged between the connecting flange and the flange ring. The invention can cut the coal layer of the lateral wall when realizing the coal mining operation of the end plate pick, reduces the hardness of the coal layer of the lateral wall, reduces and eliminates the excessive extruding force as well as the frictional force, protects the drum body opening and the end plate from being damaged, reduces the mechanical accident rate and prolongs the service life.
Description
Technical field
The present invention relates to a kind of coal mining machine roller, relate in particular to a kind of coal mining machine roller that has lateral wall-caving cutting pick.
Background technology
At coal-face, because the mining height scope of drum shearer is big, can adapt to various than complex geological conditions and coal seam thickness, thereby obtained using widely, in the manufacturing process, cylinder rotates that pick cuts, broken coal, with blade screw thrust with the broken coal conveyer of packing into, the overall process of finished coal cutting, coal breakage, coalingging, transporting coal.But in long-term use, drum shearer has also exposed some inadequate natural endowments when showing its superiority.
Because coal mining machine roller end plate, cylindrical shell circle mouth and end cap are close to the lateral wall coal seam, the frictional force, the extruding force that constantly suffer cylinder rotation coal cutting and coal machine radial row to walk to bring in the work, cause the serious wear of cylinder end plate, cylindrical shell circle mouth and end cap, when particularly running into the spoil layer, end cap and end cap flange are pan bottom shape because of stressed excessive frequent recessed distortion, cause mechanical accident easily, for distortion serious end cap and end cap flange, can only be transported to ground and take shaping or replacing apart.
In order to overcome and solve the problem of existence, traditional way is to increase several dihedral iron blocks of weldering at the end plate periphery, at iron block top and cylindrical shell circle mouth periphery build-up wear-resistant layer, improve resistance and the abrasion resistance of end plate with this to coal group, but produce little effect, concerning the coal face of complex geological condition, this is still one and is difficult to the basic problem that solves.
Summary of the invention
The purpose of this invention is to provide and a kind ofly can reduce the lateral wall seam hardness, alleviate frictional force, extruding force that the cylinder rotary work brings, protection cylinder end plate and end cap are not damaged, and reduce accident rate, the coal mining machine roller that has lateral wall-caving cutting pick that increases the service life.
For achieving the above object, the technical solution used in the present invention is:
A kind of coal mining machine roller that has lateral wall-caving cutting pick, comprise cylindrical shell, in the cylindrical shell upper port end cap is installed, the cylindrical shell upper port is equipped with end plate outward, it is characterized in that: end plate is equipped with the end plate pick along its circumference side, the end plate upper surface is equipped with lateral wall-caving cutting pick, and the end plate pick is consistent with the incline direction of lateral wall-caving cutting pick.
According to the described coal mining machine roller that has lateral wall-caving cutting pick, it is characterized in that: be connected with the flange circle in the described cylindrical shell upper port, described end cap is installed on the flange circle.
According to the described coal mining machine roller that has lateral wall-caving cutting pick, it is characterized in that: in the described cylindrical shell adpting flange is installed, adpting flange is positioned at described flange circle below, is provided with the reinforcement parallels between adpting flange and the flange circle.
Coal-winning machine when operate as normal, when the present invention can be implemented in end plate pick coal work, lateral wall-caving cutting pick cut lateral wall coal seam; reduce the lateral wall seam hardness, alleviate and eliminate excessive extruding force, frictional force, protection cylindrical shell mouth and end plate are not damaged; reduce the mechanical accident rate, increase the service life.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the plan structure schematic diagram of Fig. 1.
In the accompanying drawing:
1, cylindrical shell 2, end plate 3, lateral wall-caving cutting pick 4, flange circle
5, strengthen parallels 6, end cap 7, end plate pick 8, adpting flange
The specific embodiment
Below in conjunction with the drawings and specific embodiments the present invention is further described:
A kind of coal mining machine roller that has lateral wall-caving cutting pick, as shown in Figure 1 and Figure 2, comprise cylindrical shell 1, in cylindrical shell 1 upper port end cap 6 is installed, cylindrical shell 1 upper port is equipped with end plate 2 outward, end plate 2 is equipped with end plate pick 7 along its circumference side, and end plate 2 upper surfaces are equipped with lateral wall-caving cutting pick 3, and end plate pick 7 is consistent with the incline direction of lateral wall-caving cutting pick 3.In the present embodiment, be connected with flange circle 4 in cylindrical shell 1 upper port, described end cap 6 is installed on the flange circle 4; Adpting flange 8 is installed in the cylindrical shell 1, and adpting flange 8 is positioned at described flange circle 4 belows, is provided with between adpting flange 8 and the flange circle 5 to strengthen parallels 5.
Embodiment recited above is described preferred implementation of the present invention; be not that design of the present invention and scope are limited; under the prerequisite that does not break away from design concept of the present invention; common engineers and technicians make technical scheme of the present invention in this area various modification and improvement; all should fall into protection scope of the present invention; the technology contents that the present invention asks for protection all is documented in claims.
In the present invention, lateral wall-caving cutting pick is cut lateral wall coal seam in end plate pick rotation coal cutting, the cutting aspect of end plate pick and lateral wall-caving cutting pick is identical, the angle of end plate pick and lateral wall-caving cutting pick is unanimous on the whole, their axial height equates, and all being higher than barrel port, the reinforcement parallels thickness below the flange circle and flange circle are identical to the distance of adpting flange.
The present invention utilizes cylinder to rotate to be power; set up one group of lateral wall-caving cutting pick at existing end plate upper side; the cut direction of lateral wall-caving cutting pick is consistent with end plate pick cutting direction; the angle of lateral wall-caving cutting pick and end plate pick is identical substantially; their axial height b equates; like this when cylinder rotates coal cutting lateral wall-caving cutting pick also along with the cylinder rotation; do the motion of rotation cut; lateral wall-caving cutting pick in rotation the coal in lateral wall coal seam; spoil is cut continuously; make the deliquescing of lateral wall coal seam; it is broken that spoil becomes; strong alleviation the friction of lateral wall coal seam to cylinder port and end cap; extruding; alleviated wearing and tearing, accomplished the protection end plate cylinder; end cap reduces and damages; life-saving; the minimizing accident.
In the present invention, the usage quantity of lateral wall-caving cutting pick can determine according to actual conditions such as diameter of cylinder sizes, can adopt 4,6,8 to put in pairs, evenly put and the gradual mode such as put of dividing into groups.Present embodiment is that example is introduced with gradual the putting of dividing into groups, and it is applicable to the major diameter cylinder more than 2 meters.Concrete grammar as shown in Figure 2, with 120 ° of Fen San districts, every district is continuously with 2 20 degree linea angulatas at the end plate upper side, R1, R2, R3 line are crossing, joining is gradual lateral wall-caving cutting pick location point.R1, R2, R3 spacing distance are advisable with 50-70mm, form to concentrate strong cut group relatively, and lateral wall-caving cutting pick is 60-80mm from the minimum distance of tube tube, is 160-220mm farthest.Lateral wall-caving cutting pick keeps the direction identical with the end plate pick, identical axial height, essentially identical cut angle, and the axial height of lateral wall-caving cutting pick should be higher than end plate end cap 70-120mm.
Lateral wall-caving cutting pick is made up of toothholder and pick, and also available pick rock machine pioneer pick substitutes, and toothholder adopts peripheral built-up welding, and pick fastens in toothholder with axle, can change at any time according to abrasion condition.Strengthen parallels and weld between flange circle and adpting flange, the thickness of reinforcement parallels should equal the distance between flange circle and the adpting flange, and the quantity of use can determine as the case may be that present embodiment adopts is 30 * 70 * 42 * 6 of δ.
During work, end plate rotates under the drive of cylinder, and lateral wall-caving cutting pick rotates along with the rotation of end plate, the coal seam of the outer lateral wall of the direct cut end plate of crown is cut spoil broken, makes the deliquescing of coal group, allow end plate, barrel port and end cap exempt from big extruding force and frictional force, with constantly walking forward.
The present invention can make helix drum accomplish self-protection in coal work; when especially under complex geological condition, mining, to protection end plate, end cap be not damaged, life-saving, reduction accident play a key effect, project organization is simple; reliable, effect is obvious.
Claims (3)
1, a kind of coal mining machine roller that has lateral wall-caving cutting pick, comprise cylindrical shell (1), in cylindrical shell (1) upper port end cap (6) is installed, cylindrical shell (1) upper port is equipped with end plate (2) outward, it is characterized in that: end plate (2) is equipped with end plate pick (7) along its circumference side, end plate (2) upper surface is equipped with lateral wall-caving cutting pick (3), and end plate pick (7) is consistent with the incline direction of lateral wall-caving cutting pick (3).
2, the coal mining machine roller that has lateral wall-caving cutting pick according to claim 1 is characterized in that: be connected with flange circle (4) in described cylindrical shell (1) upper port, flange circle (4) is gone up described end cap (6) is installed.
3, the coal mining machine roller that has lateral wall-caving cutting pick according to claim 1 and 2, it is characterized in that: adpting flange (8) is installed in the described cylindrical shell (1), adpting flange (8) is positioned at described flange circle (4) below, is provided with between adpting flange (8) and the flange circle (4) to strengthen parallels (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100153006A CN101555789A (en) | 2009-05-14 | 2009-05-14 | Shearer drum with lateral wall-caving cutting pick |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100153006A CN101555789A (en) | 2009-05-14 | 2009-05-14 | Shearer drum with lateral wall-caving cutting pick |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101555789A true CN101555789A (en) | 2009-10-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2009100153006A Pending CN101555789A (en) | 2009-05-14 | 2009-05-14 | Shearer drum with lateral wall-caving cutting pick |
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| CN (1) | CN101555789A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101956552A (en) * | 2010-08-25 | 2011-01-26 | 中国矿业大学 | Roller for mixed row cutting tooth coal winning machine |
| CN106869924A (en) * | 2017-05-02 | 2017-06-20 | 辽宁工程技术大学 | A kind of coal mining machine roller of low energy consumption abnormity pick |
| CN107339102A (en) * | 2017-06-05 | 2017-11-10 | 太原科技大学 | A kind of coal mining machine helix drum |
| CN110374589A (en) * | 2019-08-20 | 2019-10-25 | 西安科技大学 | A kind of coal mine flitting |
-
2009
- 2009-05-14 CN CNA2009100153006A patent/CN101555789A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101956552A (en) * | 2010-08-25 | 2011-01-26 | 中国矿业大学 | Roller for mixed row cutting tooth coal winning machine |
| CN106869924A (en) * | 2017-05-02 | 2017-06-20 | 辽宁工程技术大学 | A kind of coal mining machine roller of low energy consumption abnormity pick |
| CN106869924B (en) * | 2017-05-02 | 2018-08-24 | 辽宁工程技术大学 | A kind of coal mining machine roller of low energy consumption abnormity pick |
| CN107339102A (en) * | 2017-06-05 | 2017-11-10 | 太原科技大学 | A kind of coal mining machine helix drum |
| CN107339102B (en) * | 2017-06-05 | 2023-10-27 | 太原科技大学 | Novel spiral roller of coal mining machine |
| CN110374589A (en) * | 2019-08-20 | 2019-10-25 | 西安科技大学 | A kind of coal mine flitting |
| CN110374589B (en) * | 2019-08-20 | 2020-12-29 | 西安科技大学 | Coal mine drum shearer |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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Open date: 20091014 |