CN102305066A - Coal mining machine and cutting roller device - Google Patents
Coal mining machine and cutting roller device Download PDFInfo
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- CN102305066A CN102305066A CN201110249138A CN201110249138A CN102305066A CN 102305066 A CN102305066 A CN 102305066A CN 201110249138 A CN201110249138 A CN 201110249138A CN 201110249138 A CN201110249138 A CN 201110249138A CN 102305066 A CN102305066 A CN 102305066A
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Abstract
The invention discloses a cutting roller device. The cutting roller device comprises a cutting roller, a first connection block which is connected with the cutting roller, a second connection block which is positioned in a circumferential direction and is connected with the first connection block in an axial direction in a sliding way, and a square head which is connected with a rocker arm to transfer torque; a push travel hydraulic cavity and a return travel hydraulic cavity are formed between the second connection block and the first connection block; the square head is connected with the second connection block; and the square head is provided with an oil inlet device which is communicated with the push travel hydraulic cavity and the return travel hydraulic cavity. The cutting roller device is designed to be an axial adjustable form in a form of embedding a hydraulic cylinder and two cutting rollers are adjusted correspondingly to ensure that the coal wall of the working surface is adjusted to be step-shaped, so that the coal slide phenomenon and the damage caused by the coal slide phenomenon can be greatly reduced. The invention also discloses a cutting roller device outside which the hydraulic cylinder is arranged. The invention also discloses a coal mining machine with the cutting roller device.
Description
Technical field
The present invention relates to the coal-winning machine technical field, particularly a kind of coal-winning machine and cutting drum device thereof.
Background technology
Double-ended shearer has two identical, symmetrical cutting units of structure, and they lay respectively at the two ends of coal-winning machine.Left and right sides cutting units can be by a motor-driven, also can be respectively by two motor driven.Double-ended shearer has that production capacity is big, efficient is high, can full-seam mining when being used for the exploitation run of mine coal seam, gap automatically.Effect of loading coal is good, mechanical stability against short circuit can be good and can be adapted to advantage such as left and right sides work plane without repacking.
When coal-winning machine carried out coal mining activity in the down-hole, because factors such as work plane seam hardness layering run into the wall caving phenomenon unavoidably, the large tracts of land callis just fell to the coal pusher side without the cylinder cut.So-called wall caving phenomenon means that mine operation face, tunnel sidewall are out of shape under action of underground, destroy and the phenomenon that comes off.Especially when the medium-thickness seam coal mining activity, wall caving is particularly serious, causes the damage of security incident and coal-winning machine easily.The main cause of this phenomenon is exactly, and the wall large tracts of land of mining waited that is in two cut cylinder relative position work planes of coal-winning machine both sides is on the same vertical guide, and the effect of gravity has in addition just caused wall caving.
Through analyzing, if two cut cylinders of coal-winning machine institute is to the stepped shape of working face wall (promptly avoiding in same plane), the harm that can significantly reduce the wall caving phenomenon and bring, this also is that one in field of domestic and international coal-winning machine research and development has major issue to be solved.
Therefore, how to reduce the probability of happening of wall caving phenomenon and the harm that the wall caving phenomenon is brought, become the technical problem that those skilled in the art need to be resolved hurrily.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of cutting drum device, the harm that brings with the probability of happening that reduces the wall caving phenomenon and wall caving phenomenon.Another object of the present invention is to provide a kind of coal-winning machine with above-mentioned cutting drum device.
For realizing above-mentioned purpose, the present invention provides following technical scheme:
A kind of cutting drum device comprises cutting drum, also comprises:
First contiguous block that links to each other with said cutting drum;
Circumferentially locate with said first contiguous block, and second contiguous block that is in axial sliding connection, rise hydraulic cavities and backhaul hydraulic cavities formed between this second contiguous block and said first contiguous block;
Be used for linking to each other with the square spigot of transmitting torque with rocking arm, this square spigot links to each other with said second contiguous block, and said square spigot is provided with the oil-feed device that leads to said rise hydraulic cavities and backhaul hydraulic cavities respectively.
Preferably, in above-mentioned cutting drum device, said oil-feed device comprises:
The rise oil inlet passage that leads to said rise hydraulic cavities;
The backhaul oil inlet passage that leads to said backhaul hydraulic cavities;
Coaxial central tube, it is made up of two coaxial nested pipelines at least, and forms two oil suction chambers at least, and wherein two said oil suction chambers are connected with said rise oil inlet passage and said backhaul oil inlet passage respectively.
Preferably; In above-mentioned cutting drum device; Said oil-feed device also comprises the valve piece that is arranged on the said square spigot; It is separate to offer two covers on the said valve piece; And respectively with the cavity of said rise oil inlet passage and said backhaul oil inlet passage, two said oil suction chambers on the said coaxial central tube respectively with said valve piece on two said cavitys be connected.
Preferably, in above-mentioned cutting drum device, said coaxial central tube is made up of three coaxial nested pipelines, and forms two said oil suction chambers and an intake antrum, and said square spigot is provided with the intake tunnel that is connected with this intake antrum.
Preferably, in above-mentioned cutting drum device, an end of said intake tunnel connects the radial slot of said square spigot.
Preferably, in above-mentioned cutting drum device, said second contiguous block is connected through spline with said first contiguous block;
Said second contiguous block links to each other through screw with square spigot.
Preferably, in above-mentioned cutting drum device, said rise hydraulic cavities is positioned at the top center position of said second contiguous block, and said first contiguous block is provided with the seal that keeps this rise hydraulic cavities sealing;
Said backhaul hydraulic cavities is positioned at the periphery of said second contiguous block; Its upper wall surface is formed by said second contiguous block; Lower wall surface is formed by the baffle ring that is arranged at said first contiguous block bottom, and said second contiguous block and said baffle ring are equipped with the seal that keeps this backhaul hydraulic cavities to seal.
Preferably, in above-mentioned cutting drum device, said baffle ring is arranged at the bottom of said first contiguous block through screw.
A kind of cutting drum device; Comprise that cutting drum links to each other with the square spigot of transmitting torque with rocking arm with being used for; Said square spigot and said cutting drum are circumferentially located; And be in axial sliding connection; Also comprise the hydraulic cylinder that an end links to each other with the housing of said rocking arm, and be arranged on the said cutting drum, and the rotating disk coaxial with this cutting drum; It is the cannelure of axis that said rotating disk is provided with its axis, and the piston rod of said hydraulic cylinder and said cannelure are slidingly matched.
A kind of coal-winning machine comprises the cutting drum device, and this cutting drum device is as above each described cutting drum device.
Can find out that from above-mentioned technical scheme a kind of cutting drum device provided by the invention comprises cutting drum, also comprises: first contiguous block that links to each other with said cutting drum; Circumferentially locate with said first contiguous block, and second contiguous block that is in axial sliding connection, rise hydraulic cavities and backhaul hydraulic cavities formed between this second contiguous block and said first contiguous block; Be used for linking to each other with the square spigot of transmitting torque with rocking arm, this square spigot links to each other with said second contiguous block, and said square spigot is provided with the oil-feed device that leads to said rise hydraulic cavities and backhaul hydraulic cavities respectively.
Based on above-mentioned setting, cutting drum device provided by the invention through the annexation of square spigot, second contiguous block and first contiguous block, passes to cutting drum with the moment of torsion of rocking arm inner planet device, drives the cutting drum rotation, to carry out coal work.Can slide relatively vertically between first contiguous block and second contiguous block; And first be formed with rise hydraulic cavities and backhaul hydraulic cavities between contiguous block and second contiguous block; Through in the rise hydraulic cavities, feeding hydraulic oil; Along with increasing gradually of hydraulic oil in the rise hydraulic cavities; Promoting first contiguous block slides with respect to second contiguous block; Because first contiguous block links to each other with cutting drum, so cutting drum follows slip, thereby makes cutting drum push ahead.In the process of the interior oil-feed of rise hydraulic cavities, the oil return of backhaul hydraulic cavities.Through in the backhaul hydraulic cavities, feeding hydraulic oil,, promote first contiguous block and slide, thereby cutting drum is retracted with respect to second contiguous block along with increasing gradually of hydraulic oil in the backhaul hydraulic cavities.The present invention will cut drum apparatus through the form of built-in hydraulic cylinder and be designed to the adjustable form of axial location, can accordingly two cutting drum adjustment be adjusted into stepped shape to working face wall, thus the harm that can significantly reduce the wall caving phenomenon and bring.
Another kind of cutting drum device provided by the invention; Comprise that cutting drum links to each other with the square spigot of transmitting torque with rocking arm with being used for; Said square spigot and said cutting drum are circumferentially located; And be in axial sliding connection; Also comprise the hydraulic cylinder that an end links to each other with the housing of said rocking arm, and be arranged on the said cutting drum, and the rotating disk coaxial with this cutting drum; It is the cannelure of axis that said rotating disk is provided with its axis, and the piston rod of said hydraulic cylinder and said cannelure are slidingly matched.
Based on above-mentioned setting, through square spigot the moment of torsion of rocking arm inner planet device is passed to cutting drum, drive the cutting drum rotation, to carry out coal work.Stretching out and withdrawal of piston rod through hydraulic cylinder promotes cutting drum and stretches out, or the withdrawal of pulling cutting drum.And through rotating disk to prevent the movement interference of rocking arm housing and cutting drum, make cutting drum on any position, all can obtain the moment of torsion of planet device through square spigot.The present invention will cut drum apparatus through the form of external hydraulic cylinder and be designed to the adjustable form of axial location, can accordingly two cutting drum adjustment be adjusted into stepped shape to working face wall, thus the harm that can significantly reduce the wall caving phenomenon and bring.
Coal-winning machine provided by the invention owing to adopt above-mentioned cutting drum device, has above-mentioned technique effect equally, and this paper repeats no more.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously; Accompanying drawing in describing below only is some embodiments of the present invention; For those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The cutting drum device that Fig. 1 provides for the embodiment of the invention is mounted to the structural representation of rocking arm;
The structural representation of the cutting drum device that Fig. 2 provides for the embodiment of the invention;
The structural representation of the coaxial central tube that Fig. 3 provides for the embodiment of the invention;
The plan structure sketch map of the coaxial central tube that Fig. 4 provides for the embodiment of the invention;
The broken section structural representation of the rocking arm that Fig. 5 provides for the embodiment of the invention;
The cutting drum device that Fig. 6 provides for another embodiment of the present invention is mounted to the structural representation of rocking arm.
The specific embodiment
Core of the present invention is to disclose a kind of cutting drum device, the harm that brings with the probability of happening that reduces the wall caving phenomenon and wall caving phenomenon.Another core of the present invention is to disclose a kind of coal-winning machine with above-mentioned cutting drum device.
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
See also Fig. 1 and Fig. 2, the cutting drum device that Fig. 1 provides for the embodiment of the invention is mounted to the structural representation of rocking arm, the structural representation of the cutting drum device that Fig. 2 provides for the embodiment of the invention.
The disclosed a kind of cutting drum device of the embodiment of the invention comprises cutting drum 1, first contiguous block 2, second contiguous block 3 and square spigot 4.Wherein, first contiguous block 2 links to each other with cutting drum 1, specifically can connect through welding or connector.Second contiguous block 3 and first contiguous block 2 are circumferentially located, and first contiguous block 2 can endwisely slip by relative second contiguous block 3.In the prior art, can realize that second contiguous block 3 and first contiguous block 2 are circumferentially fixing to realize the transmission of moment of torsion, the connected mode of degree of freedom that has relative slip again is a lot, like spline connection, the connection of chute slide rail etc.So-called chute slide rail connects and is interpreted as, and at first contiguous block 2 slide rail or chute, setting and slide rail or chute are slidingly matched on second contiguous block 3 chute or slide rail is set circumferentially.After first contiguous block 2 and the assembling of second contiguous block 3, can realize through the cooperation of slide rail or chute circumferentially fixing, and the two slide rail and chute carry out circumferential slippage relatively.
Form rise hydraulic cavities 5 and backhaul hydraulic cavities 7 between second contiguous block 3 and first contiguous block 2, rise hydraulic cavities 5 and backhaul hydraulic cavities 7 are similar to the rodless cavity and the rod chamber of hydraulic cylinder.Second contiguous block 3 and first contiguous block 2 have been formed a hydraulic cylinder that is assembled in cutting drum 1 inside, through in rise hydraulic cavities 5 and backhaul hydraulic cavities 7, feeding hydraulic oil respectively, accomplish cutting drum 1 and stretch out and the purpose of withdrawing.Square spigot 4 is used for linking to each other with transmitting torque with rocking arm 23, and this square spigot 4 links to each other with second contiguous block 3, and square spigot 4 is provided with the oil-feed device that leads to rise hydraulic cavities 5 and backhaul hydraulic cavities 7 respectively.Second contiguous block 3 preferably is connected through spline with first contiguous block 2; Second contiguous block 3 can link to each other through screw with square spigot 4.
Cutting drum device provided by the invention through the annexation of square spigot 4, second contiguous block 3 and first contiguous block 2, passes to cutting drum 1 with the moment of torsion of rocking arm 23 inner planet devices 14, drives cutting drum 1 rotation, to carry out coal work.Can slide relatively vertically between first contiguous block 2 and second contiguous block 3; And first be formed with rise hydraulic cavities 5 and backhaul hydraulic cavities 7 between contiguous block 2 and second contiguous block 3; Through in rise hydraulic cavities 5, feeding hydraulic oil; Along with increasing gradually of 5 hydraulic oil in the rise hydraulic cavities; Promoting first contiguous block 2 slides with respect to second contiguous block 3; Because first contiguous block 2 links to each other with cutting drum 1, so cutting drum 1 follows slip, thereby makes cutting drum 1 push ahead.In the process of rise hydraulic cavities 5 interior oil-feeds, 7 oil returns of backhaul hydraulic cavities.Through in backhaul hydraulic cavities 7, feeding hydraulic oil,, promote first contiguous block 2 and slide, thereby cutting drum 1 is retracted with respect to second contiguous block 3 along with increasing gradually of hydraulic oil in the backhaul hydraulic cavities 7.The present invention will cut drum apparatus through the form of built-in hydraulic cylinder and be designed to the adjustable form of axial location, can accordingly two cutting drum adjustment be adjusted into stepped shape to working face wall, thus the harm that can significantly reduce the wall caving phenomenon and bring.
In order further to optimize above-mentioned technique effect, the disclosed oil-feed device of the foregoing description can specifically comprise rise oil inlet passage 13, backhaul oil inlet passage 8 and coaxial central tube 10.Wherein, Rise oil inlet passage 13 communicates with rise hydraulic cavities 5, and backhaul oil inlet passage 8 communicates with backhaul hydraulic cavities 7, and rise oil inlet passage 13 can directly be offered on second contiguous block 3 with backhaul oil inlet passage 8; Can arrange that also present embodiment does not limit through pipeline.
See also Fig. 3-Fig. 5, the structural representation of the coaxial central tube that Fig. 3 provides for the embodiment of the invention; The plan structure sketch map of the coaxial central tube that Fig. 4 provides for the embodiment of the invention; The broken section structural representation of the rocking arm that Fig. 5 provides for the embodiment of the invention.
Coaxial central tube 10 is made up of two coaxial nested pipelines at least, and forms two oil suction chambers at least, and wherein two oil suction chambers (being respectively first oil suction chamber 18 and second oil suction chamber 17) are connected with rise oil inlet passage 13 and backhaul oil inlet passage 8 respectively.Coaxial central tube 10 can be by coaxial nested the forming of two or more pipelines; And be connected with rise oil inlet passage 13 and backhaul oil inlet passage 8 respectively by two oil suction chambers that form (being respectively first oil suction chamber 18 and second oil suction chamber 17), the bottom of coaxial central tube 10 offers first oil-in 20 and second oil-in 21 that communicates with two oil suction chambers respectively.The present invention can be by injecting hydraulic oil in first oil-in 20 and second oil-in 21; Hydraulic oil can get into rise oil inlet passage 13 and backhaul oil inlet passage 8 through two oil suction chambers on the coaxial central tube 10 respectively; And finally get into rise hydraulic cavities 5 and backhaul hydraulic cavities 7, to accomplish stretching out or withdrawing of cutting drum 1.
For guarantee on the coaxial central tube 10 two oil suction chambers respectively with the sealing of rise oil inlet passage 13 and backhaul oil inlet passage 8 UNICOMs; In the present embodiment; The oil-feed device also can comprise the valve piece 12 that is arranged on the square spigot 4; It is separate to offer two covers on the valve piece 12; And respectively with the cavity of rise oil inlet passage 13 and backhaul oil inlet passage 8, two oil suction chambers on the coaxial central tube 10 respectively with valve piece 12 on two cavitys be connected.The present invention is through being provided with valve piece 12, can realize docking of coaxial central tube 10 and rise oil inlet passage 13 and backhaul oil inlet passage 8 easily, prevented the leakage of hydraulic oil.
Coaxial central tube 10 preferably is made up of three coaxial nested pipelines, and forms two oil suction chambers and an intake antrum 16, and the end of intake antrum 16 should will form two pipeline shutoff of this intake antrum 16 through spacer 11, in case leak.Square spigot 4 is provided with the intake tunnel 9 that is connected with this intake antrum 16.Intake antrum 16 can transmit cooling water, supplies square spigot 4 outer cooling dedustings used.One end of intake tunnel 9 can connect the radial slot of square spigot 4, and promptly intake tunnel 9 only need run through on the square spigot 4 relatively thin place and gets final product.
Coaxial central tube 10 is connected to the center of planet device 14, and it can be with square spigot 4 and cutting drum 1 co-rotation, and promptly coaxial central tube 10, square spigot 4, first contiguous block 2, second contiguous block 3 and cutting drum 1 rotate synchronously, and static relatively between them.As shown in Figure 5; Coaxial central tube 10 lower ends are connected with planet device 14 through bearing 19, can realize relatively rotating, wherein; First oil-in 20 and second oil-in 21 can be distinguished UNICOM's rise hydraulic cavities 5 and backhaul hydraulic cavities 7 transmission hydraulic oil, supply with rise oil cylinder and backhaul oil cylinder; Water inlet 22 on the coaxial central tube 10 communicates with intake antrum 16, transmits cooling water, and it is used to supply with square spigot outside cutting drum 1.
In the present embodiment, rise hydraulic cavities 5 can be positioned at the top center position of second contiguous block 3, and first contiguous block 2 is provided with the seal 6 that keeps these rise hydraulic cavities 5 sealings; Backhaul hydraulic cavities 7 is positioned at the periphery of second contiguous block 3; Its upper wall surface is formed by second contiguous block 3; Lower wall surface is formed by the baffle ring 15 that is arranged at first contiguous block, 2 bottoms, and second contiguous block 3 is equipped with the seal 6 that keeps these backhaul hydraulic cavities 7 sealings with baffle ring 15.Baffle ring 15 can be arranged at the bottom of first contiguous block 2 through screw.
In sum, the operating principle of the disclosed a kind of cutting drum device of the embodiment of the invention:
Coal-winning machine is according to the planar condition adjustment of different operating cutting drum 1 end face axial distance, and the cutting drum 1 flexible hydraulic oil that in rise hydraulic cavities 5 and backhaul hydraulic cavities 7, feeds is respectively controlled.
Rise control: hydraulic oil flows into valve piece 12 through coaxial central tube first oil suction chamber 18; Shunting is after rise oil inlet passage 13 flows into rise hydraulic cavities 5; Rise hydraulic cavities 5 constantly stretches; Promoting first contiguous block 2 stretches out vertically; And then drive cutting drum 1 and outwards move, increase two cut cylinders, 1 end face axial distance, i.e. 1 rise process of cutting drum; At this moment, backhaul hydraulic cavities 7 is shunk and is drained the oil.
Backhaul control: in like manner; Hydraulic oil flows into valve piece 12 through second oil suction chamber 17 of coaxial central tube 10; Shunting is after backhaul oil inlet passage 8 flows into backhaul hydraulic cavities 7; Backhaul hydraulic cavities 7 constantly enlarges; Spur first contiguous block 2 and cutting drum 1 vertically inwards with respect to square spigot 4, reduce two cut cylinders, 1 end face axial distance, i.e. the backhaul process of cutting drum 1; At this moment, rise hydraulic cavities 5 is shunk and is drained the oil.
Spacing control: star device 14 places of can being expert at are provided with displacement transducer, according to the requirement of different operating modes, and the stroke of control and monitoring cutting drum 1.In addition; Cause separating of hydraulic cylinder (first contiguous block 2 and second contiguous block 3) for preventing that rise hydraulic cavities 5 from constantly enlarging; Baffle ring 15 can play spacing effect; Promptly when rise hydraulic cavities 5 increases to a certain degree; Backhaul hydraulic cavities 7 is reduced to minimum; At this moment, the baffle ring 15 and second contiguous block 3 axially intercept, and cutting drum 1 can't continue axial elongation.
Center of gravity of the present invention changes little, and complete machine is more stable;
Cutting drum device disclosed by the invention cuts to influence that dark first factor---cutting drum improves; Only on former coal-winning machine cutting drum basis; Carry out less change and just realize cutting dark adjustable, compact conformation, also can exchange with non-section dark adjustable cutting drum.Machine gravity is influenced little, guarantees the stability of coal-winning machine complete machine.
See also Fig. 6, the cutting drum device that Fig. 6 provides for another embodiment of the present invention is mounted to the structural representation of rocking arm.
The disclosed another kind of cutting drum device of the embodiment of the invention; Comprise that cutting drum 101 links to each other with the square spigot of transmitting torque with rocking arm 103 with being used for; Square spigot and cutting drum 101 are circumferentially located; And be in axial sliding connection, wherein, also comprise the hydraulic cylinder 104 that an end links to each other with the housing of rocking arm 103; And be arranged on the cutting drum 1; And the rotating disk coaxial with this cutting drum 1, it is the cannelure of axis that rotating disk is provided with its axis, the piston rod and the cannelure of hydraulic cylinder are slidingly matched.
The disclosed another kind of cutting drum device of the embodiment of the invention passes to cutting drum 101 through square spigot with the moment of torsion of rocking arm 103 inner planet devices 102, drives cutting drum 101 rotations, to carry out coal work.Stretching out and withdrawal of piston rod through hydraulic cylinder 104 promotes cutting drum 101 and stretches out, or 101 withdrawals of pulling cutting drum.And through rotating disk to prevent the movement interference of rocking arm housing and cutting drum 101, make cutting drum 101 on any position, all can obtain the moment of torsion of planet device 102 through square spigot.The present invention will cut drum apparatus 101 through the form of external hydraulic cylinder 104 and be designed to the adjustable form of axial location; Can accordingly 101 adjustment of two cutting drums be adjusted into stepped shape to working face wall, thus the harm that can significantly reduce the wall caving phenomenon and bring.
The disclosed a kind of coal-winning machine of the embodiment of the invention comprises the cutting drum device, and wherein, this cutting drum device is the as above described cutting drum device of embodiment.Coal-winning machine provided by the invention owing to adopt above-mentioned cutting drum device, has above-mentioned technique effect equally, and this paper repeats no more.
Each embodiment adopts the mode of going forward one by one to describe in this manual, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments among this paper.Therefore, the present invention will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (10)
1. a cutting drum device comprises cutting drum (1), it is characterized in that, also comprises:
First contiguous block (2) that links to each other with said cutting drum (1);
Circumferentially locate with said first contiguous block (2), and second contiguous block (3) that is in axial sliding connection, rise hydraulic cavities (5) and backhaul hydraulic cavities (7) formed between this second contiguous block (3) and said first contiguous block (2);
Be used for linking to each other with the square spigot (4) of transmitting torque with rocking arm, this square spigot (4) links to each other with said second contiguous block (3), and said square spigot (4) is provided with the oil-feed device that leads to said rise hydraulic cavities (5) and backhaul hydraulic cavities (7) respectively.
2. cutting drum device as claimed in claim 1 is characterized in that, said oil-feed device comprises:
The rise oil inlet passage that leads to said rise hydraulic cavities (5);
The backhaul oil inlet passage that leads to said backhaul hydraulic cavities (7);
Coaxial central tube (10), it is made up of two coaxial nested pipelines at least, and forms two oil suction chambers at least, and wherein two said oil suction chambers are connected with said rise oil inlet passage and said backhaul oil inlet passage respectively.
3. cutting drum device as claimed in claim 2; It is characterized in that; Said oil-feed device also comprises the valve piece (12) that is arranged on the said square spigot (4); It is separate to offer two covers on the said valve piece (12); And respectively with the cavity of said rise oil inlet passage and said backhaul oil inlet passage, two said oil suction chambers on the said coaxial central tube (10) respectively with said valve piece (12) on two said cavitys be connected.
4. cutting drum device as claimed in claim 2; It is characterized in that; Said coaxial central tube (10) is made up of three coaxial nested pipelines, and forms two said oil suction chambers and an intake antrum, and said square spigot (4) is provided with the intake tunnel that is connected with this intake antrum.
5. cutting drum device as claimed in claim 4 is characterized in that an end of said intake tunnel connects the radial slot of said square spigot (4).
6. like each described cutting drum device of claim 1-5, it is characterized in that said second contiguous block (3) is connected through spline with said first contiguous block (2);
Said second contiguous block (3) links to each other through screw with square spigot (4).
7. like each described cutting drum device of claim 1-5; It is characterized in that; Said rise hydraulic cavities (5) is positioned at the top center position of said second contiguous block (3), and said first contiguous block (2) is provided with the seal that keeps this rise hydraulic cavities (5) sealing;
Said backhaul hydraulic cavities (7) is positioned at the periphery of said second contiguous block (3); Its upper wall surface is formed by said second contiguous block (3); Lower wall surface is formed by the baffle ring (15) that is arranged at said first contiguous block (2) bottom, and said second contiguous block (3) is equipped with the seal that this backhaul hydraulic cavities (7) of maintenance seals with said baffle ring (15).
8. cutting drum device as claimed in claim 7 is characterized in that, said baffle ring (15) is arranged at the bottom of said first contiguous block (2) through screw.
9. cutting drum device; Comprise that cutting drum (1) links to each other with the square spigot (4) of transmitting torque with rocking arm with being used for; Said square spigot (4) is circumferentially located with said cutting drum (1); And be in axial sliding connection; It is characterized in that; Also comprise the hydraulic cylinder that an end links to each other with the housing of said rocking arm; And be arranged on the said cutting drum (1); And with the coaxial rotating disk of this cutting drum (1); It is the cannelure of axis that said rotating disk is provided with its axis, and the piston rod of said hydraulic cylinder and said cannelure are slidingly matched.
10. a coal-winning machine comprises the cutting drum device, it is characterized in that, this cutting drum device is like each described cutting drum device of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110249138 CN102305066B (en) | 2011-08-26 | 2011-08-26 | Coal mining machine and cutting roller device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110249138 CN102305066B (en) | 2011-08-26 | 2011-08-26 | Coal mining machine and cutting roller device |
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| CN102305066A true CN102305066A (en) | 2012-01-04 |
| CN102305066B CN102305066B (en) | 2013-12-25 |
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| CN 201110249138 Active CN102305066B (en) | 2011-08-26 | 2011-08-26 | Coal mining machine and cutting roller device |
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| CN104583537A (en) * | 2012-08-15 | 2015-04-29 | 卡特彼勒环球矿业欧洲有限公司 | Mobile mining |
| US9932826B2 (en) | 2012-08-15 | 2018-04-03 | Caterpillar Global Mining Europe Gmbh | Mobile mining |
| CN104583537B (en) * | 2012-08-15 | 2018-04-20 | 卡特彼勒环球矿业欧洲有限公司 | Movable type mining |
| CN102777177A (en) * | 2012-08-18 | 2012-11-14 | 江苏中机矿山设备有限公司 | Cantilever type coal cutter rocking arm |
| CN102777177B (en) * | 2012-08-18 | 2015-04-01 | 江苏中机矿山设备有限公司 | Cantilever type coal cutter rocking arm |
| CN103835711A (en) * | 2014-03-28 | 2014-06-04 | 韩新平 | Unmanned intelligent mining machine |
| CN103835711B (en) * | 2014-03-28 | 2016-04-13 | 辽宁瀚石机械制造有限公司 | Unmanned intelligent Mars Miner |
| CN110424959A (en) * | 2019-08-15 | 2019-11-08 | 天地科技股份有限公司上海分公司 | Twin-stage rocker arm cutting means |
| CN110424959B (en) * | 2019-08-15 | 2024-04-02 | 天地科技股份有限公司上海分公司 | Double-stage rocker arm cutting device |
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|---|---|
| CN102305066B (en) | 2013-12-25 |
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Effective date of registration: 20161226 Address after: 413000 Yiyang high tech Zone in the eastern part of the New District of integrated services building, room 512, Hunan Patentee after: Yiyang science and Technology Achievement Transformation Service Center Patentee after: Sany Heavy Equipment Co.,Ltd. Address before: Yansai Lake Street 110027 economic and Technological Development Zone Liaoning city Shenyang province No. 31 Patentee before: Sany Heavy Equipment Co.,Ltd. |