CN102305066B - Coal mining machine and cutting roller device - Google Patents
Coal mining machine and cutting roller device Download PDFInfo
- Publication number
- CN102305066B CN102305066B CN 201110249138 CN201110249138A CN102305066B CN 102305066 B CN102305066 B CN 102305066B CN 201110249138 CN201110249138 CN 201110249138 CN 201110249138 A CN201110249138 A CN 201110249138A CN 102305066 B CN102305066 B CN 102305066B
- Authority
- CN
- China
- Prior art keywords
- contiguous block
- cutting drum
- hydraulic cavities
- backhaul
- rise
- 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.)
- Active
Links
Images
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.The left and right cutting units can be driven by a motor, also can be respectively by two Motor Drive.Double-ended shearer has that production capacity is large, efficiency is high, can full-seam mining during for the exploitation run of mine coal seam, gap automatically.Effect of loading coal is good, mechanical stability against short circuit can well and can be adapted to the advantages such as left and right work plane without repacking.
When coal-winning machine carries out coal mining activity in down-hole, due to factors such as work plane seam hardness layerings, run into unavoidably the wall caving phenomenon, the large tracts of land callis just falls 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, destroys and the phenomenon that comes off.Especially when the medium-thickness seam coal mining activity, wall caving is particularly serious, easily causes the damage of security incident and coal-winning machine.The main cause of this phenomenon is exactly, and the wall large tracts of land to be mined of the two cut cylinder relative position work planes in the coal-winning machine both sides is on same vertical guide, and the effect of gravity in addition, just caused wall caving.
By analysis, if two cut cylinder institutes of coal-winning machine are to the stepped shape of working face wall (avoiding in same plane), the harm that can greatly reduce the wall caving phenomenon and bring, this is also that one, 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 those skilled in the art's technical problem urgently 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 brought with probability of happening and the wall caving phenomenon of reduction 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 achieving the above object, the invention provides following technical scheme:
A kind of cutting drum device, comprise cutting drum, also comprises:
The first contiguous block be connected with described cutting drum;
With described the first contiguous block, circumferentially locate, and the second contiguous block be in axial sliding connection, rise hydraulic cavities and backhaul hydraulic cavities formed between this second contiguous block and described the first contiguous block;
For being connected with rocking arm with the square spigot of transmitting torque, this square spigot is connected with described the second contiguous block, and described square spigot is provided with the oil feeding device that leads to respectively described rise hydraulic cavities and backhaul hydraulic cavities.
Preferably, in above-mentioned cutting drum device, described oil feeding device comprises:
The rise oil inlet passage that leads to described rise hydraulic cavities;
The backhaul oil inlet passage that leads to described backhaul hydraulic cavities;
Coaxial central tube, it at least is comprised of two coaxial nested pipelines, and at least forms two oil suction chambers, and wherein two described oil suction chambers are connected with described rise oil inlet passage and described backhaul oil inlet passage respectively.
Preferably, in above-mentioned cutting drum device, described oil feeding device also comprises the valve piece be arranged on described square spigot, offer two covers on described valve piece separate, and the cavity be connected with described rise oil inlet passage and described backhaul oil inlet passage respectively, two described oil suction chambers on described coaxial central tube are connected with two described cavitys on described valve piece respectively.
Preferably, in above-mentioned cutting drum device, described coaxial central tube is comprised of three coaxial nested pipelines, and forms two described oil suction chambers and an intake antrum, and described square spigot is provided with the intake tunnel be connected with this intake antrum.
Preferably, in above-mentioned cutting drum device, an end of described intake tunnel connects the radial slot of described square spigot.
Preferably, in above-mentioned cutting drum device, described the second contiguous block and described the first contiguous block pass through spline joint;
Described the second contiguous block is connected by screw with square spigot.
Preferably, in above-mentioned cutting drum device, described rise hydraulic cavities is positioned at the top center position of described the second contiguous block, and described the first contiguous block is provided with the seal that keeps this rise hydraulic cavities sealing;
Described backhaul hydraulic cavities is positioned at the periphery of described the second contiguous block, its upper wall surface is formed by described the second contiguous block, lower wall surface is formed by the baffle ring that is arranged at described the first contiguous block bottom, and described the second contiguous block and described baffle ring are equipped with the seal that keeps this backhaul hydraulic cavities to seal.
Preferably, in above-mentioned cutting drum device, described baffle ring is arranged at the bottom of described the first contiguous block by screw.
A kind of cutting drum device, comprise cutting drum with for being connected with rocking arm with the square spigot of transmitting torque, described square spigot and described cutting drum are circumferentially located, and be in axial sliding connection, also comprise the hydraulic cylinder that an end is connected with the housing of described rocking arm, and be arranged on described cutting drum, and the rotating disk coaxial with this cutting drum, described rotating disk is provided with take the cannelure that its axis is axis, and the piston rod of described hydraulic cylinder and described cannelure are slidably matched.
A kind of coal-winning machine, comprise the cutting drum device, and this cutting drum device is the as above described cutting drum device of any one.
From above-mentioned technical scheme, can find out, a kind of cutting drum device provided by the invention, comprise cutting drum, also comprises: the first contiguous block be connected with described cutting drum; With described the first contiguous block, circumferentially locate, and the second contiguous block be in axial sliding connection, rise hydraulic cavities and backhaul hydraulic cavities formed between this second contiguous block and described the first contiguous block; For being connected with rocking arm with the square spigot of transmitting torque, this square spigot is connected with described the second contiguous block, and described square spigot is provided with the oil feeding device that leads to respectively described rise hydraulic cavities and backhaul hydraulic cavities.
Based on above-mentioned setting, cutting drum device provided by the invention, by the annexation of square spigot, the second contiguous block and the first contiguous block, pass to cutting drum by the moment of torsion of rocking arm inner planet device, drives the cutting drum rotation, to carry out coal work.Relative sliding vertically between the first contiguous block and the second contiguous block, and first be formed with rise hydraulic cavities and backhaul hydraulic cavities between contiguous block and the second contiguous block, by in the rise hydraulic cavities, passing into hydraulic oil, along with increasing gradually of hydraulic oil in the rise hydraulic cavities, promoting the first contiguous block slides with respect to the second contiguous block, because the first contiguous block is connected 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.By in the backhaul hydraulic cavities, passing into hydraulic oil, along with increasing gradually of hydraulic oil in the backhaul hydraulic cavities, promote the first contiguous block and slide with respect to the second contiguous block, thereby cutting drum is retracted.The present invention will cut drum apparatus by 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 to stepped shape to working face wall, thus the harm that can greatly reduce the wall caving phenomenon and bring.
Another kind of cutting drum device provided by the invention, comprise cutting drum with for being connected with rocking arm with the square spigot of transmitting torque, described square spigot and described cutting drum are circumferentially located, and be in axial sliding connection, also comprise the hydraulic cylinder that an end is connected with the housing of described rocking arm, and be arranged on described cutting drum, and the rotating disk coaxial with this cutting drum, described rotating disk is provided with take the cannelure that its axis is axis, and the piston rod of described hydraulic cylinder and described cannelure are slidably matched.
Based on above-mentioned setting, by 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 retraction of piston rod by hydraulic cylinder, promote cutting drum and stretch out, or pull cutting drum to retract.And by rotating disk to prevent the movement interference of rocking arm housing and cutting drum, make cutting drum all can obtain by square spigot the moment of torsion of planet device on any position.The present invention will cut drum apparatus by 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 to stepped shape to working face wall, thus the harm that can greatly reduce the wall caving phenomenon and bring.
Coal-winning machine provided by the invention, owing to adopting above-mentioned cutting drum device, have above-mentioned technique effect equally, and this paper repeats no more.
The accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The cutting drum device that Fig. 1 provides for the embodiment of the present 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 present invention;
The structural representation of the coaxial central tube that Fig. 3 provides for the embodiment of the present invention;
The plan structure schematic diagram of the coaxial central tube that Fig. 4 provides for the embodiment of the present invention;
The broken section structural representation of the rocking arm that Fig. 5 provides for the embodiment of the present 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 brought with probability of happening and the wall caving phenomenon of reduction wall caving phenomenon.Another core of the present invention is to disclose a kind of coal-winning machine with above-mentioned cutting drum device.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making under the creative work prerequisite the every other embodiment obtained, belong to the scope of protection of the invention.
Refer to Fig. 1 and Fig. 2, the cutting drum device that Fig. 1 provides for the embodiment of the present 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 present invention.
The disclosed a kind of cutting drum device of the embodiment of the present invention, comprise cutting drum 1, the first contiguous block 2, the second contiguous block 3 and square spigot 4.Wherein, the first contiguous block 2 is connected with cutting drum 1, specifically can connect by welding or connector.The second contiguous block 3 and the first contiguous block 2 are circumferentially located, and the first contiguous block 2 can endwisely slip by relative the second contiguous block 3.In prior art, can realize that the second contiguous block 3 and the first contiguous block 2 are circumferentially fixing to realize the transmission of moment of torsion, the connected mode of degree of freedom that has again relative sliding is a lot, as spline joint, the connection of chute slide rail etc.So-called chute slide rail connects and is interpreted as, and at the first contiguous block 2 slide rail or chute, setting and slide rail or chute are slidably matched on the second contiguous block 3 chute or slide rail circumferentially is set.After the first contiguous block 2 and the assembling of the second contiguous block 3, can realize by 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 the second contiguous block 3 and the first contiguous block 2, rise hydraulic cavities 5 and backhaul hydraulic cavities 7 are similar to rodless cavity and the rod chamber of hydraulic cylinder.The second contiguous block 3 and the first contiguous block 2 have formed a hydraulic cylinder that is assembled in cutting drum 1 inside, by passing into hydraulic oil respectively in rise hydraulic cavities 5 and backhaul hydraulic cavities 7, complete cutting drum 1 and stretch out and the purpose of retracting.Square spigot 4 is for being connected with transmitting torque with rocking arm 23, and this square spigot 4 is connected with the second contiguous block 3, and square spigot 4 is provided with the oil feeding device that leads to respectively rise hydraulic cavities 5 and backhaul hydraulic cavities 7.The second contiguous block 3 and the first contiguous block 2 preferably pass through spline joint; The second contiguous block 3 can be connected by screw with square spigot 4.
Cutting drum device provided by the invention, the annexation by square spigot 4, the second contiguous block 3 and the first contiguous block 2, pass to cutting drum 1 by the moment of torsion of rocking arm 23 inner planet devices 14, drives cutting drum 1 rotation, to carry out coal work.Relative sliding vertically between the first contiguous block 2 and the second contiguous block 3, and first be formed with rise hydraulic cavities 5 and backhaul hydraulic cavities 7 between contiguous block 2 and the second contiguous block 3, by in rise hydraulic cavities 5, passing into hydraulic oil, along with increasing gradually of 5 hydraulic oil in the rise hydraulic cavities, promoting the first contiguous block 2 slides with respect to the second contiguous block 3, because the first contiguous block 2 is connected 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.By in backhaul hydraulic cavities 7, passing into hydraulic oil, along with increasing gradually of backhaul hydraulic cavities 7 interior hydraulic oil, promote the first contiguous block 2 and slide with respect to the second contiguous block 3, thereby cutting drum 1 is retracted.The present invention will cut drum apparatus by 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 to stepped shape to working face wall, thus the harm that can greatly reduce the wall caving phenomenon and bring.
In order further to optimize above-mentioned technique effect, the disclosed oil feeding device of above-described embodiment 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 and backhaul oil inlet passage 8 can directly be offered on the second contiguous block 3, can be arranged by pipeline, the present embodiment does not limit yet.
Refer to Fig. 3-Fig. 5, the structural representation of the coaxial central tube that Fig. 3 provides for the embodiment of the present invention; The plan structure schematic diagram of the coaxial central tube that Fig. 4 provides for the embodiment of the present invention; The broken section structural representation of the rocking arm that Fig. 5 provides for the embodiment of the present invention.
Coaxial central tube 10 at least is comprised of two coaxial nested pipelines, and at least forms two oil suction chambers, and wherein two oil suction chambers (being respectively the first oil suction chamber 18 and the 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 with rise oil inlet passage 13 and backhaul oil inlet passage 8, be connected respectively by two oil suction chambers that form (being respectively the first oil suction chamber 18 and the second oil suction chamber 17), the bottom of coaxial central tube 10 offers the first oil-in 20 and the second oil-in 21 communicated with two oil suction chambers respectively.The present invention can be by the first oil-in 20 and the interior injection liquid force feed of the second oil-in 21, hydraulic oil can enter respectively rise oil inlet passage 13 and backhaul oil inlet passage 8 by two oil suction chambers on coaxial central tube 10, and finally enter rise hydraulic cavities 5 and backhaul hydraulic cavities 7, to complete stretching out or retracting of cutting drum 1.
For guarantee two oil suction chambers on coaxial central tube 10 respectively with the sealing of rise oil inlet passage 13 and backhaul oil inlet passage 8 UNICOMs, in the present embodiment, oil feeding device also can comprise the valve piece 12 be arranged on square spigot 4, offer two covers on valve piece 12 separate, and the cavity be connected with rise oil inlet passage 13 and backhaul oil inlet passage 8 respectively, two oil suction chambers on coaxial central tube 10 are connected with two cavitys on valve piece 12 respectively.The present invention is by arranging valve piece 12, can realize easily docking of coaxial central tube 10 and rise oil inlet passage 13 and backhaul oil inlet passage 8, prevented the leakage of hydraulic oil.
Coaxial central tube 10 preferably is comprised 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 plugging pipelines of this intake antrum 16 by spacer 11, with preventing water leakage.Square spigot 4 is provided with the intake tunnel 9 be connected with this intake antrum 16.Intake antrum 16 can transmit cooling water, used for the outer cooling and dedusting of square spigot 4.One end of intake tunnel 9 can connect the radial slot of square spigot 4, and intake tunnel 9 only needs the place of running through relatively thin on square spigot 4 to get final product.
Coaxial central tube 10 is connected to planet device 14 center, and it can rotate jointly with square spigot 4 and cutting drum 1, and coaxial central tube 10, square spigot 4, the first contiguous block 2, the second contiguous block 3 and cutting drum 1 synchronously rotate, and relatively static between them.As shown in Figure 5, coaxial central tube 10 lower ends are connected with planet device 14 by bearing 19, can realize relatively rotating, wherein, the first oil-in 20 and the 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 coaxial central tube 10 communicates with intake antrum 16, transmits cooling water, supplies with square spigot outside cutting drum 1 used.
In the present embodiment, rise hydraulic cavities 5 can be positioned at the top center position of the second contiguous block 3, and the 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 the second contiguous block 3, its upper wall surface is formed by the second contiguous block 3, lower wall surface is formed by the baffle ring 15 that is arranged at the first contiguous block 2 bottoms, and the second contiguous block 3 and baffle ring 15 are equipped with the seal 6 that keeps these backhaul hydraulic cavities 7 sealings.Baffle ring 15 can be arranged at by screw the bottom of the first contiguous block 2.
In sum, the operating principle of the disclosed a kind of cutting drum device of the embodiment of the present invention:
Coal-winning machine is adjusted cutting drum 1 end face axial distance according to the planar condition of different operating, and cutting drum 1 is flexible to be controlled to passing into hydraulic oil in rise hydraulic cavities 5 and backhaul hydraulic cavities 7 respectively.
Rise is controlled: hydraulic oil flows into valve piece 12 through coaxial central tube the first oil suction chamber 18, shunting flows into rise hydraulic cavities 5 by rise oil inlet passage 13, rise hydraulic cavities 5 constantly stretches, promoting the first contiguous block 2 stretches out vertically, and then drive cutting drum 1 and outwards move, increase two cut cylinder 1 end face axial distances, i.e. 1 rise process of cutting drum, now, backhaul hydraulic cavities 7 is shunk and drains the oil.
Backhaul is controlled: in like manner, hydraulic oil flows into valve piece 12 through the second oil suction chamber 17 of coaxial central tube 10, shunting flows into backhaul hydraulic cavities 7 by backhaul oil inlet passage 8, backhaul hydraulic cavities 7 constantly enlarges, pull inwards vertically the first contiguous block 2 and cutting drum 1 with respect to square spigot 4, reduce two cut cylinder 1 end face axial distance, i.e. the backhaul processes of cutting drum 1, now, rise hydraulic cavities 5 is shunk and is drained the oil.
Spacing control: can displacement transducer be set at planet device 14 places, according to the requirement of different operating modes, control and monitor the stroke of cutting drum 1.In addition, for preventing that rise hydraulic cavities 5 from constantly enlarging and causing separating of hydraulic cylinder (the first contiguous block 2 and the second contiguous block 3), baffle ring 15 can play spacing effect, when rise hydraulic cavities 5 increases to a certain degree, backhaul hydraulic cavities 7 is reduced to minimum, now, baffle ring 15 and the second contiguous block 3 axially intercept, and cutting drum 1 can't continue axial elongation.
Gravity center shift of the present invention is little, and complete machine is more stable;
Cutting drum device disclosed by the invention cuts for impact that dark the first factor---cutting drum is improved, 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.
Refer to 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 present invention, comprise cutting drum 101 with for being connected with the square spigot of transmitting torque with rocking arm 103, 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 is connected with the housing of rocking arm 103, and be arranged on cutting drum 1, and the rotating disk coaxial with this cutting drum 1, rotating disk is provided with take the cannelure that its axis is axis, and piston rod and the cannelure of hydraulic cylinder are slidably matched.
The disclosed another kind of cutting drum device of the embodiment of the present invention passes to cutting drum 101 by square spigot by 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 retraction of piston rod by hydraulic cylinder 104, promote cutting drum 101 and stretch out, or pull cutting drum 101 to retract.And by rotating disk to prevent the movement interference of rocking arm housing and cutting drum 101, make cutting drum 101 all can obtain by square spigot the moment of torsion of planet device 102 on any position.The present invention will cut drum apparatus 101 by the form of external hydraulic cylinder 104 and be designed to the adjustable form of axial location, can accordingly two cutting drums 101 be adjusted to institute working face wall is adjusted into to stepped shape, thus the harm that can greatly reduce the wall caving phenomenon and bring.
The disclosed a kind of coal-winning machine of the embodiment of the present invention, comprise 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 adopting above-mentioned cutting drum device, have above-mentioned technique effect equally, and this paper repeats no more.
In this manual, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment that between each embodiment, identical similar part is mutually referring to getting final product.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the present invention.Multiple modification to these embodiment will be apparent for those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from the spirit or scope of the present invention, realization in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. a cutting drum device, comprise cutting drum (1), it is characterized in that, also comprises:
The first contiguous block (2) be connected with described cutting drum (1);
With described the first contiguous block (2), circumferentially locate, and the second contiguous block (3) be in axial sliding connection, rise hydraulic cavities (5) and backhaul hydraulic cavities (7) formed between this second contiguous block (3) and described the first contiguous block (2);
For being connected with rocking arm with the square spigot (4) of transmitting torque, this square spigot (4) is connected with described the second contiguous block (3), and described square spigot (4) is provided with the oil feeding device that leads to respectively described rise hydraulic cavities (5) and backhaul hydraulic cavities (7).
2. cutting drum device as claimed in claim 1, is characterized in that, described oil feeding device comprises:
The rise oil inlet passage that leads to described rise hydraulic cavities (5);
The backhaul oil inlet passage that leads to described backhaul hydraulic cavities (7);
Coaxial central tube (10), it at least is comprised of two coaxial nested pipelines, and at least forms two oil suction chambers, and wherein two described oil suction chambers are connected with described rise oil inlet passage and described backhaul oil inlet passage respectively.
3. cutting drum device as claimed in claim 2, it is characterized in that, described oil feeding device also comprises the valve piece (12) be arranged on described square spigot (4), offer two covers on described valve piece (12) separate, and the cavity be connected with described rise oil inlet passage and described backhaul oil inlet passage respectively, two described oil suction chambers on described coaxial central tube (10) are connected with two described cavitys on described valve piece (12) respectively.
4. cutting drum device as claimed in claim 2, it is characterized in that, described coaxial central tube (10) is comprised of three coaxial nested pipelines, and forms two described oil suction chambers and an intake antrum, and described square spigot (4) is provided with the intake tunnel be connected with this intake antrum.
5. cutting drum device as claimed in claim 4, is characterized in that, an end of described intake tunnel connects the radial slot of described square spigot (4).
6. cutting drum device as described as claim 1-5 any one, is characterized in that, described the second contiguous block (3) passes through spline joint with described the first contiguous block (2);
Described the second contiguous block (3) is connected by screw with square spigot (4).
7. cutting drum device as described as claim 1-5 any one, it is characterized in that, described rise hydraulic cavities (5) is positioned at the top center position of described the second contiguous block (3), and described the first contiguous block (2) is provided with the seal that keeps this rise hydraulic cavities (5) sealing;
Described backhaul hydraulic cavities (7) is positioned at the periphery of described the second contiguous block (3), its upper wall surface is formed by described the second contiguous block (3), lower wall surface is formed by the baffle ring (15) that is arranged at described the first contiguous block (2) bottom, and described the second contiguous block (3) and described baffle ring (15) are equipped with the seal that this backhaul hydraulic cavities (7) of maintenance seals.
8. cutting drum device as claimed in claim 7, is characterized in that, described baffle ring (15) is arranged at the bottom of described the first contiguous block (2) by screw.
9. a coal-winning machine, comprise the cutting drum device, it is characterized in that, this cutting drum device is cutting drum device as described as claim 1-8 any one.
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 |
Applications Claiming Priority (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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102305066A CN102305066A (en) | 2012-01-04 |
| CN102305066B true CN102305066B (en) | 2013-12-25 |
Family
ID=45378964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110249138 Active CN102305066B (en) | 2011-08-26 | 2011-08-26 | Coal mining machine and cutting roller device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102305066B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012107485A1 (en) * | 2012-08-15 | 2014-02-20 | Caterpillar Global Mining Europe Gmbh | Mobile mining machine and method for driving on tunnels, routes or shafts, especially in hard rock |
| 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 |
| CN103835711B (en) * | 2014-03-28 | 2016-04-13 | 辽宁瀚石机械制造有限公司 | Unmanned intelligent Mars Miner |
| 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 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1975323A1 (en) * | 2007-03-28 | 2008-10-01 | Compagnie du Sol | Cutting head for a soil-cutting machine with rotary cutters |
| CN101498216A (en) * | 2009-03-06 | 2009-08-05 | 太原理工大学 | Thick coal seam large height workface step coal wall coal mining method |
| CN201818307U (en) * | 2010-10-04 | 2011-05-04 | 湖南永安煤矿机械制造有限公司 | Retractable cutting arm of tunneling machine |
-
2011
- 2011-08-26 CN CN 201110249138 patent/CN102305066B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1975323A1 (en) * | 2007-03-28 | 2008-10-01 | Compagnie du Sol | Cutting head for a soil-cutting machine with rotary cutters |
| JP2008240511A (en) * | 2007-03-28 | 2008-10-09 | Compagnie Du Sol | Excavating head for underground excavating equipment with rotary excavating implement |
| CN101498216A (en) * | 2009-03-06 | 2009-08-05 | 太原理工大学 | Thick coal seam large height workface step coal wall coal mining method |
| CN201818307U (en) * | 2010-10-04 | 2011-05-04 | 湖南永安煤矿机械制造有限公司 | Retractable cutting arm of tunneling machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102305066A (en) | 2012-01-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102305066B (en) | Coal mining machine and cutting roller device | |
| CN103930642B (en) | Horizontal directional drilling system | |
| KR101959829B1 (en) | Continuous Circulation System | |
| CN105275394B (en) | The controllable Novel rotary steering tool of angle | |
| CN203430529U (en) | Spiral conveyer with expansion and contraction function | |
| CN204035616U (en) | Full automatic piston ring inside and outside circle beveler | |
| CN102691506A (en) | Spherical support girder turning mechanism for open-type hard-rock boring machines | |
| US9494036B2 (en) | Unmanned intelligent mining machine | |
| CN103302317B (en) | A kind of self-lubricate cooled main axis of gear shaper structure | |
| CN106050128A (en) | Drill bit self-rotation type pneumatic down-the-hole hammer | |
| CA2938342A1 (en) | Reciprocating impact slack-drop/rotating/raking multifunctional power shaft | |
| CN106837174A (en) | A kind of brill deep-well executing agency with drill string for becoming twist-drill head based on double speed | |
| CN107288537B (en) | Double-shaft transfer drilling device | |
| CN103982182B (en) | Cutting part of heading machine hybrid power transmission system | |
| CN114109251B (en) | Control device for composite directional drilling and use method | |
| CN105642391B (en) | Hammer with the piston sleeve with helicla flute | |
| CN103244117B (en) | Coal mining machine rocker arm with telescopic slotting mechanism | |
| CN209369803U (en) | A kind of coal mining cutting means | |
| CN104389597B (en) | Cutting mechanism | |
| CN203978268U (en) | A kind of rotary digging drill power head device with high speed soil-throwing function | |
| CN107420036B (en) | Directional drilling machine for underground tunnel of coal mine | |
| US4076087A (en) | Hole reamer | |
| CN205147387U (en) | Novel tapping machine is pressed in water sword cutting pipeline area | |
| CN202239777U (en) | Hydraulic floating locking sliding block device | |
| CN205297307U (en) | Two slewer with crowded counterboring of digging soon of this couple slewer machine has |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
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. |