CN202832527U - Cutting device for coal mining equipment - Google Patents
Cutting device for coal mining equipment Download PDFInfo
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- CN202832527U CN202832527U CN 201220529991 CN201220529991U CN202832527U CN 202832527 U CN202832527 U CN 202832527U CN 201220529991 CN201220529991 CN 201220529991 CN 201220529991 U CN201220529991 U CN 201220529991U CN 202832527 U CN202832527 U CN 202832527U
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- cutting arm
- cutting
- coal
- excavation apparatus
- cutting means
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Abstract
The utility model discloses a cutting device for coal mining equipment. The coal mining equipment comprises a hydraulic bracket. The cutting device comprises a cutting arm, wherein the rear end of the cutting arm is mounted on a base (1) of the hydraulic bracket; the cutting arm comprises a telescopic outer pipe (13) and a telescopic inner pipe (18) telescopically sleeved in the telescopic outer pipe (13); the telescopic outer pipe (13) is connected with the base; and the telescopic inner pipe (18) is rotationally connected with a cutting head (16) at the front end of the cutting arm. Due to the adoption of the structure, the cutting head rotates relative to the telescopic inner pipe so as to cut a coal body in the coal mining process. When the specific position of the cutting head is adjusted, a telescopic inner sleeve can extend forwards or rearwards relative to a telescopic outer sleeve to change the length of the cutting arm so as to adjust the length from the front end of a telescopic arm to the coal wall and improve the working adaptability and reliability of the coal mining equipment in the coal mining process.
Description
Technical field
The utility model relates to the mining machinery technical field, relates in particular to a kind of cutting means for coal excavation apparatus.
Background technology
The Modern coal mines great majority adopt comprehensive mechanical coal mining equipment, and comprehensive mechanical coal mining equipment generally includes coal-winning machine, conveyer and hydraulic support.Hydraulic support is mainly used in the top board of support and control work plane, and the isolation goaf prevents that spoil from entering stope and conveyer.Coal-winning machine generally includes cutting means and draw-gear, utilizes cutting means that rib is carried out the cut coal breakage.Conveyer is used for the coal body that the coal-winning machine cut falls is carried.
In the prior art, a plurality of hydraulic supports are arranged side by side, and common supporting forms work plane, and conveyer is along in the work plane that vertically is layed in the hydraulic support below of work plane, and the both lateral sides of conveyer is provided with guide rail, and the draw-gear both sides of coal-winning machine are provided with piston shoes.In the course of work, the guide rail of the piston shoes of coal-winning machine two bottom sides and conveyer both sides is equipped with, so that coal-winning machine along vertical walking of conveyer, is realized the cut coal mining activity.
Yet the comprehensive mechanical coal mining equipment of said structure in use has following defective:
At first, the piston shoes of above-mentioned coal-winning machine bottom and the guide rail of conveyer are equipped with all the time, cause the manufacturing cost of the said equipment higher;
Secondly, above-mentioned comprehensive mechanical coal mining equipment is relatively poor to the coal seam compliance of complicated geological structure, especially is not suitable for the exploitation in shortwall coal seam and low coal seam;
At last, in the coal excavation apparatus of said structure, the flexibility of coal-winning machine cutterhead is not strong.
In view of this, demand urgently for above-mentioned technical problem, comprehensive mechanical coal mining equipment of the prior art is carried out further optimal design, to reduce the manufacturing cost of comprehensive mechanical coal mining equipment, improve its applicability and operation flexibility.
The utility model content
The purpose of this utility model is for providing a kind of cutting means for coal excavation apparatus, improving applicability and the dexterity of action of coal excavation apparatus, and reduces the manufacturing cost of comprehensive mechanical coal mining equipment.
For solving the problems of the technologies described above, the utility model provides a kind of cutting means for coal excavation apparatus, and described coal excavation apparatus comprises hydraulic support, and described cutting means comprises cutting arm, and the rear end of described cutting arm is installed on the base of described hydraulic support; Described cutting arm comprises that outer telescopic tube and telescopically are set in the flexible inner tube in the described outer telescopic tube, and described outer telescopic tube is connected with described base, and the cutterhead of the front end of described flexible inner tube and described cutting arm is rotatably connected.
Preferably, described cutting arm also comprises flexible jack, and described flexible jack one end is connected with described outer telescopic tube, and the described flexible jack other end is connected with described flexible inner tube.
Preferably, described outer telescopic tube and described flexible inner tube adopt spline joint.
Preferably, the front end of described flexible inner tube also is connected with the cutterhead outer tube, is provided with the second power set that drive described cutterhead rotation in the described cutterhead outer tube, and described the second power set are connected with described cutterhead.
Preferably, also be provided with reduction box in the described flexible inner tube, described the second power set are connected with described cutterhead by described reduction box.
Preferably, described the second power set are motor or motor.
Preferably, described cutting means also comprises linkage, described cutting arm is installed on by described linkage on the base of described hydraulic support, and described linkage comprises the horizontal rotary mechanism that is connected with described cutting arm horizontal rotation and vertically turns round the vertical rotating mechanism that is connected with described cutting arm.
Preferably, described horizontal rotary mechanism comprises holder, rotary sleeve and the first power set, described holder is fixedly connected with described base, described rotary sleeve turns round in horizontal plane with described holder and is connected, described the first power set are connected with described rotary sleeve, and the rear end of described cutting arm is connected with described rotary sleeve.
Preferably, described vertical rotating mechanism comprises heightens jack, and a described end of heightening jack and described rotary sleeve are hinged by bearing pin, and it is hinged that the described other end of heightening jack and described cutting arm pass through bearing pin.
Preferably, described vertical rotating mechanism also comprises the fixed head that is fixedly connected with described cutting arm, the rear end of described cutting arm is connected with described rotary sleeve indirectly by described fixed head, describedly heightens jack to pass through described fixed head indirectly hinged with described cutting arm.
The utility model provides a kind of cutting means for coal excavation apparatus, its cutting arm comprises that outer telescopic tube and telescopically are set in the flexible inner tube in the described outer telescopic tube, described outer telescopic tube is connected with described base, and the cutterhead of the front end of described flexible inner tube and described cutting arm is rotatably connected.
Adopt this structure, in the coal mining process, cutterhead rotates with respect to flexible inner tube, realizes the cut to coal body.The more important thing is, when adjusting the particular location of cutterhead, telescopic inner sleeve can be stretched out forward or backward retraction with respect to flexible overcoat, changes the length of cutting arm, thereby adjust the telescopic arm front end to the length of rib, improve coal excavation apparatus in labor aptitude and the reliability of coal mining process.
In the another kind of specific embodiment, the cutting means that the utility model provides can also comprise linkage, this cutting arm can be installed on the base of hydraulic support by linkage, and linkage comprises the horizontal rotary mechanism that is connected with the cutting arm horizontal rotation and vertically turns round the vertical rotating mechanism that is connected with cutting arm.
Adopt this structure, above-mentioned cutting arm can be by horizontal rotary mechanism with respect to the base horizontal rotation, and cutting arm vertically turns round with respect to base by vertical rotating mechanism, has realized the flexible motion of cutting arm with respect to base.
Description of drawings
Fig. 1 is the structural representation of a kind of specific embodiment of the utility model cutting means of being provided for coal excavation apparatus.
Wherein, the Reference numeral among Fig. 1 and the corresponding relation between the component names are:
Base 1; Back timber 2; Caving shield 3; Connecting rod 4; Column 5; Balance jack 6; Advancing jack 7; Pass connecting rod 8; Holder 9; The first power set 10; Rotary sleeve 11; Heighten jack 12; Outer telescopic tube 13; Flexible jack 14; The second power set 15; Cutterhead 16; Reduction box 17; Flexible inner tube 18; Fixed head 19; Cutterhead outer tube 20; Conveyer 21.
The specific embodiment
Core of the present utility model is for providing a kind of cutting means for coal excavation apparatus, operation flexibility and the compliance of this cutting means and enhancing cutterhead.
In order to make those skilled in the art understand better the technical solution of the utility model, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Need to prove, the direction of close cutterhead 16 when the noun of locality " front " that occurs herein refers to coal excavation apparatus work, be dextrosinistral direction among Fig. 1, the noun of locality " afterwards " refers to coal excavation apparatus when work away from the direction of cutterhead 16, i.e. from left to right direction among Fig. 1; The appearance that should be appreciated that these nouns of locality is set up take Figure of description as benchmark, and their appearance should not affect protection domain of the present utility model.
Please refer to Fig. 1, Fig. 1 is a kind of structural representation of the specific embodiment of the cutting means of coal excavation apparatus that the utility model is provided for.
As shown in Figure 1, the utility model provides a kind of cutting means, and this cutting means is applicable to coal excavation apparatus, and this coal excavation apparatus comprises hydraulic support, cutting means and conveyer 21.Hydraulic support comprises base 1, base 1 is hinged by two connecting rods 4 and caving shield 3, and caving shield 3 is hinged by bearing pin and back timber 2, and column 5 is articulated between back timber 2 and the base 1 by bearing pin, balance jack 6 is installed on back timber 2 and the caving shield 3 by bearing pin, consists of suspension device.Cutting means comprises cutting arm, and the front end of this cutting arm is provided with the cutterhead 16 for the cut coal body, and the rear end of cutting arm is installed on the base 1 of hydraulic support.Conveyer 21 is arranged at the front end of hydraulic support, the below of cutterhead 16 usually, is used for coal body is carried, and the most frequently used conveyer 21 is drag conveyor 21.
In the course of work, 1 pair of cutting arm of the base of hydraulic support is played a supporting role, and namely cutting means and hydraulic support share a base 1, and this is so that the hydraulic support and the cutting means that originally separate are combined into a coal excavation apparatus that integrates cut, supporting.Coal-winning machine only keeps cutting means, and saves draw-gear and supporting mechanism, has simplified the structure of coal-winning machine, has alleviated the own wt of coal-winning machine, has reduced the manufacturing cost of coal excavation apparatus.
Above-mentioned coal excavation apparatus can adapt to the complicated production environment of coal mine, when laying fully-mechanized mining working, can connect respectively in the both sides of above-mentioned coal excavation apparatus an independent hydraulic support, make the three form a unit, form again the work plane of random length by the unit of splicing any number.Therefore, the said equipment goes for only having in the shortwall in a tunnel, also this coordinative composition of equipments can be arranged in the coal column, advances simultaneously with the coal wall, has comparatively widely applicability.
In a kind of specific embodiment, as shown in Figure 1, cutting means provided by the utility model comprises cutting arm, this cutting arm can comprise outer telescopic tube 13 and flexible inner tube 18, flexible inner tube 18 telescopicallies are set in the outer telescopic tube 13, outer telescopic tube 13 is connected with linkage, and flexible inner tube 18 is rotatably connected with cutterhead 16.
Adopt this structure, in the coal mining process, cutterhead 16 rotates with respect to flexible inner tube 18, realizes the cut to coal body.When adjusting the particular location of cutterhead 16, telescopic inner sleeve can be stretched out forward or backward retraction with respect to flexible overcoat, change the length of cutting arm, thereby adjust the telescopic arm front end to the length of rib, improve coal excavation apparatus in labor aptitude and the reliability of coal mining process.
In the another kind of specific embodiment, above-mentioned cutting arm can also comprise flexible jack 14, and flexible jack 14 1 ends are connected with outer telescopic tube 13, and flexible jack 14 other ends are connected with flexible inner tube 18.Like this, can realize relative elongation or the shortening of flexible overcoat and telescopic inner sleeve by the hydraulic oil of controlling flexible jack 14, thereby change the length of cutting arm.
On the basis of said structure, above-mentioned outer telescopic tube 13 can adopt spline joint with flexible inner tube 18, can guarantee like this telescopic inner sleeve only do with respect to flexible overcoat before and after linear reciprocating motion, prevent that telescopic inner sleeve from rotating with respect to flexible overcoat, with the job stability of assurance cutterhead 16.
In the another kind of specific embodiment, the front end of above-mentioned telescopic inner sleeve can also be connected with cutterhead outer tube 20, is provided with the second power set 15, the second power set 15 that drive cutterhead 16 rotations in the cutterhead outer tube 20 and is connected with cutterhead 16.
Adopt this structure, start the second power set 15, the second power set 15 and just can drive cutterhead 16 around 20 rotations of cutterhead outer tube for cutterhead 16 provides power, realize the cut to coal body.The second power set 15 are arranged in the cutterhead outer tube 20; can either play a protective role to the second power set 15; prevent in the cut coal body process the second power set 15 injuries; and save the space that the second power set 15 take; can prolong to a certain extent again the length of cutting arm, this is so that cutting arm has compact overall structure, the rational advantage of space layout.
Particularly, above-mentioned the second power set 15 can be connected with cutterhead 16 by reduction box 17, like this, after can reducing the speed of the second power set 15, reduction box 17 passes to cutterhead 16, so that cutterhead 16 with stable and comparatively slowly speed carry out cut, to guarantee the stability of coal mining activity.In addition, above-mentioned cutterhead outer tube 20 is fixedly connected with the flange that telescopic inner sleeve can be bolted, to guarantee the intensity of cutting arm.In addition, above-mentioned the second power set 15 can be motor or motor, rotate around cutterhead outer tube 20 thereby drive simply, easily cutterhead 16.
Other structures of above-mentioned cutting means can also further be set.
In a kind of specific embodiment, as shown in Figure 1, the cutting means that the utility model provides can also comprise linkage, this cutting arm can be installed on the base 1 of hydraulic support by linkage, and linkage comprises the horizontal rotary mechanism that is connected with the cutting arm horizontal rotation and vertically turns round the vertical rotating mechanism that is connected with cutting arm.
Adopt this structure, above-mentioned cutting arm can be by horizontal rotary mechanism with respect to base 1 horizontal rotation, and cutting arm vertically turns round with respect to base 1 by vertical rotating mechanism, has realized the flexible motion of cutting arm with respect to base 1.
In the concrete scheme, above-mentioned horizontal rotary mechanism can comprise holder 9, rotary sleeve 11 and the first power set 10, holder 9 is fixedly connected with base 1, rotary sleeve 11 turns round in horizontal plane with holder 9 and is connected, the first power set 10 are connected with rotary sleeve 11, and the rear end of cutting arm is connected with rotary sleeve 11.
Like this, start the first power set 10, make it provide power to rotary sleeve 11, can drive rotary sleeve 11 and rotate with respect to holder 9, rotary sleeve 11 drives cutting arm integral body unitary rotation in horizontal plane, thus the location of having realized coal excavation apparatus horizontal level in the coal mining process.
Particularly, above-mentioned rotary sleeve 11 is connected with holder and can be connected by bearing, and above-mentioned rotary sleeve 11 is connected with holder and also can be connected by pivoting support, and this dual mode can both realize simply, easily that the two revolution connects.In addition, above-mentioned the first power set 10 can be specially hydraulic motor or motor, to realize the transmission of power to rotary sleeve 11.
In the another kind of concrete scheme, above-mentioned vertical rotating mechanism can comprise heightens jack 12, and an end and the rotary sleeve 11 of heightening jack 12 are hinged by bearing pin, and the other end and the cutting arm of heightening jack 12 are hinged by bearing pin.
Like this, along with the elongation of heightening jack 12, the front end of cutting arm can be rotated up around its rear end, along with the shortening of heightening jack 12, the front end of cutting arm can be rotated down around its rear end, thereby realized the location of coal excavation apparatus vertical position in the coal mining process, adopted, bow and adopt the coal-face of spending greater than 20 so that above-mentioned coal excavation apparatus is applicable to face upward.
Further in the scheme, above-mentioned vertical rotating mechanism can also comprise the fixed head 19 that is fixedly connected with cutting arm, the rear end of above-mentioned cutting arm is connected with rotary sleeve 11 indirectly by this fixed head 19, above-mentionedly heightens jack 12 to pass through this fixed head 19 indirectly hinged with cutting arm.
Adopt this structure, fixed head 19 can be between cutting arm and rotary sleeve 11, cutting arm with heighten the effect that is connected in the middle of playing between the jack 12, and the connection of cutting arm is played the effect of reinforcing, the intensity of assurance cutting arm.
In the another kind of specific embodiment, conveyer 21 rear ends of above-mentioned coal excavation apparatus can be connected with passes connecting rod 8, passes connecting rod 8 and is connected with the base 1 of hydraulic support by advancing jack 7.
Adopt this structure, in the course of the work, can drive by the length that advancing jack 7 is set passing connecting rod 8 stretches out forward or backward retraction, thereby driving conveyer 21 moves forward or backward, realization is adjusted the position of conveyer 21, to guarantee that the coal body behind cutterhead 16 cuts can fall on the conveyer 21 more exactly, in order to realize more expeditiously the conveying to coal body.
Above a kind of cutting means for coal excavation apparatus provided by the utility model is described in detail.Used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (10)
1. cutting means that is used for coal excavation apparatus, described coal excavation apparatus comprises hydraulic support, and described cutting means comprises cutting arm, and the rear end of described cutting arm is installed on the base of described hydraulic support (1); It is characterized in that, described cutting arm comprises that outer telescopic tube (13) and telescopically are set in the flexible inner tube (18) in the described outer telescopic tube (13), described outer telescopic tube (13) is connected with described base, and described flexible inner tube (18) is rotatably connected with the cutterhead (16) of the front end of described cutting arm.
2. the cutting means for coal excavation apparatus according to claim 1, it is characterized in that, described cutting arm also comprises flexible jack (14), described flexible jack (14) one ends are connected with described outer telescopic tube (13), and described flexible jack (14) other end is connected with described flexible inner tube (18).
3. the cutting means for coal excavation apparatus according to claim 2 is characterized in that, described outer telescopic tube (13) adopts spline joint with described flexible inner tube (18).
4. the cutting means for coal excavation apparatus according to claim 3, it is characterized in that, the front end of described flexible inner tube (18) also is connected with cutterhead outer tube (20), be provided with the second power set (15) that drive described cutterhead (16) rotation in the described cutterhead outer tube (20), described the second power set (15) are connected with described cutterhead (16).
5. the cutting means for coal excavation apparatus according to claim 4, it is characterized in that, also be provided with reduction box (17) in the described flexible inner tube (18), described the second power set (15) are connected with described cutterhead (16) by described reduction box (17).
6. the cutting means for coal excavation apparatus according to claim 4 is characterized in that, described the second power set (15) are motor or motor.
7. each described cutting means for coal excavation apparatus according to claim 1-6, it is characterized in that, described cutting means also comprises linkage, described cutting arm is installed on by described linkage on the base (1) of described hydraulic support, and described linkage comprises the horizontal rotary mechanism that is connected with described cutting arm horizontal rotation and vertically turns round the vertical rotating mechanism that is connected with described cutting arm.
8. the cutting means for coal excavation apparatus according to claim 7, it is characterized in that, described horizontal rotary mechanism comprises holder (9), rotary sleeve (11) and the first power set (10), described holder (9) is fixedly connected with described base (1), described rotary sleeve (11) turns round in horizontal plane with described holder (9) and is connected, described the first power set (10) are connected with described rotary sleeve (11), and the rear end of described cutting arm is connected with described rotary sleeve (11).
9. the cutting means for coal excavation apparatus according to claim 7, it is characterized in that, described vertical rotating mechanism comprises heightens jack (12), a described end of heightening jack (12) and described rotary sleeve (11) are hinged by bearing pin, and it is hinged that the described other end of heightening jack (12) and described cutting arm pass through bearing pin.
10. the cutting means for coal excavation apparatus according to claim 9, it is characterized in that, described vertical rotating mechanism also comprises the fixed head (19) that is fixedly connected with described cutting arm, the rear end of described cutting arm is connected with described rotary sleeve (11) indirectly by described fixed head (19), describedly heightens jack (12) to pass through described fixed head (19) indirectly hinged with described cutting arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220529991 CN202832527U (en) | 2012-10-16 | 2012-10-16 | Cutting device for coal mining equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220529991 CN202832527U (en) | 2012-10-16 | 2012-10-16 | Cutting device for coal mining equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202832527U true CN202832527U (en) | 2013-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220529991 Expired - Fee Related CN202832527U (en) | 2012-10-16 | 2012-10-16 | Cutting device for coal mining equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202832527U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763418A (en) * | 2015-04-01 | 2015-07-08 | 蒲长晏 | Grooving machine |
-
2012
- 2012-10-16 CN CN 201220529991 patent/CN202832527U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763418A (en) * | 2015-04-01 | 2015-07-08 | 蒲长晏 | Grooving machine |
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Legal Events
| Date | Code | Title | Description |
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| 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: 20130327 Termination date: 20151016 |
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| EXPY | Termination of patent right or utility model |