CN104682313A - Automatic towing device and method for coal mining machine - Google Patents

Automatic towing device and method for coal mining machine Download PDF

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Publication number
CN104682313A
CN104682313A CN201510126015.7A CN201510126015A CN104682313A CN 104682313 A CN104682313 A CN 104682313A CN 201510126015 A CN201510126015 A CN 201510126015A CN 104682313 A CN104682313 A CN 104682313A
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China
Prior art keywords
coal
cable
winning machine
automatic
conveyor
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CN201510126015.7A
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CN104682313B (en
Inventor
赵友军
王世斌
刘锋
张学军
张鹏
陈武选
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Xian Coal Mining Machinery Co Ltd
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Xian Coal Mining Machinery Co Ltd
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Publication of CN104682313A publication Critical patent/CN104682313A/en
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Publication of CN104682313B publication Critical patent/CN104682313B/en
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Abstract

The invention discloses an automatic towing device for a coal mining machine. The automatic towing device comprises a first fixed pulley, a second fixed pulley, a pulling rope and a mobile towing rack, wherein a movable pulley is mounted on the mobile towing rack; a guide roller is arranged on the mobile towing rack; a cable clamping plate of the coal mining machine goes around the guide roller and is connected to the coal mining machine; one end of the pulling rope is fixed on a conveyor head, while the other end of the pulling rope goes around the movable pulley, the first fixed pulley and the second fixed pulley, and is fixed on the coal mining machine. The automatic towing device can avoid the multi-layer stacking problem of the cable clamping plate of the coal mining machine. The invention further discloses an automatic towing method for a coal mining machine. The automatic towing method comprises the following steps: when the coal mining machine moves from a conveyor tail to the conveyor head, the coal mining machine pulls the pulling rope, the pulling rope pulls the mobile towing rack to move toward the conveyor head along a conveyor cable groove. The automatic towing method is simple in operation and convenient for promotion and application.

Description

A kind of automatic cable handler of coal-winning machine and towing cable method
Technical field
The invention belongs to coal-winning machine streamer technologies field, be specifically related to the automatic cable handler of a kind of coal-winning machine and towing cable method.
Background technology
Power supply mobile substation from the crossheading of tunnel of Coal Electricity haulage shearer powers to coal-winning machine cable laying, and wherein cable is through in cable clip, for the protection of cable.Coal-winning machine working face back and forth coal cutting in tow cable clip move, because cable clip and coal-winning machine are not synchronizing movings, cable clip superposition phenomenon is there is in the walking of tuning repeatedly, especially when cutting sth. askew feed and the clear float coal of frame head and tail, coal-winning machine is walked back and forth repeatedly, cable clip exceeds cable trough, be easy to come off from cable trough, phenomenon as existed at the working face of heavy grade, cable clip due to deadweight will overturning on transporter, cable can cut off by coal-winning machine cutting drum, there is king-sized safety factor, needs special messenger to go to safeguard with machine.In addition along with the enforcement of the intelligent manless working face of fully-mechanized mining working, the key of adopting complete set of equipments combined by coal-winning machine, and coal-winning machine automatic technology realizes the few people of fully-mechanized mining working or unmanned core technology, and automatic towing cable system is absolutely necessary.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency of the prior art, provide a kind of coal-winning machine automatic cable handler.The automatic cable handler of this coal-winning machine repeatedly can remain that electric cable for coal mining machine clamping plate are in formation state in walking process repeatedly at coal-winning machine; effectively avoid electric cable for coal mining machine clamping plate multiple-layer stacked, swing not smooth phenomenon, available protecting cable can not be cut off by coal-winning machine cutting drum.
For achieving the above object, the technical scheme that the automatic cable handler of coal-winning machine of the present invention adopts is: the automatic cable handler of a kind of coal-winning machine, it is characterized in that: comprise the first fixed pulley, second fixed pulley, pulling rope and for the mobile towing cable frame along the movement of conveyor cable groove, described first fixed pulley is arranged on transporter head, described second fixed pulley is arranged on transporter tail, described mobile towing cable frame is arranged between the first fixed pulley and coal-winning machine, described mobile towing cable frame is provided with movable pulley, described mobile towing cable frame is provided with the guide pulley for leading to electric cable for coal mining machine clamping plate, described electric cable for coal mining machine clamping plate are walked around described guide pulley and are connected on coal-winning machine, one end of described pulling rope is fixed on transporter head, the other end of described pulling rope walks around described movable pulley successively, described first fixed pulley and described second fixed pulley are also fixed on described coal-winning machine.
The above-mentioned automatic cable handler of a kind of coal-winning machine, it is characterized in that: described mobile towing cable frame comprises two backplates and the top board for being connected two backplate upper ends, two described backplates all stretch into conveyor cable groove, described top board is positioned at the top of conveyor cable groove, described top board offers the through hole passed for electric cable for coal mining machine clamping plate, described movable pulley is arranged between two described backplates.
The above-mentioned automatic cable handler of a kind of coal-winning machine, is characterized in that: the upper surface of described top board and conveyor cable groove is in being slidably matched.
The above-mentioned automatic cable handler of a kind of coal-winning machine, it is characterized in that: described top board is provided with for rolling the support roller coordinated with the upper surface of conveyor cable groove, described top board offering for described support roller through with the support roller installing hole contacted with conveyor cable groove upper surface.
The above-mentioned automatic cable handler of a kind of coal-winning machine, is characterized in that: two described backplates are provided with for rolling the guiding road wheel coordinated with cell wall inside conveyor cable groove.
The above-mentioned automatic cable handler of a kind of coal-winning machine, is characterized in that: the lower end of two described backplates is connected by base plate.
The above-mentioned automatic cable handler of a kind of coal-winning machine, is characterized in that: described pulling rope adopts steel wire rope.
Present invention also offers and a kind ofly run the automatic towing cable method of coal-winning machine simple, result of use is good, the technical scheme that the automatic towing cable method of coal-winning machine of the present invention adopts is:
When coal-winning machine moves from transporter head to transporter tail, coal-winning machine pulls electric cable for coal mining machine clamping plate, and electric cable for coal mining machine clamping plate pull mobile towing cable frame to move along conveyor cable groove to transporter tail;
When coal-winning machine moves from transporter tail to transporter head, coal-winning machine pulls pulling rope, and pulling rope pulls mobile towing cable frame to move along conveyor cable groove to transporter head.
The present invention compared with prior art has the following advantages:
1, the automatic cable handler of coal-winning machine of the present invention is made up of mobile towing cable frame, two fixed pulleys, a movable pulley and coal-winning machine power itself electric cable for coal mining machine clamping plate, and structure is simple, designs ingenious.
2, the automatic cable handler of coal-winning machine of the present invention is by the assembly pulley arranging mobile towing cable frame and be made up of the first fixed pulley, the second fixed pulley and movable pulley; mobile towing cable frame and coal-winning machine is made to form speed difference; can guarantee to draw stretching of electric cable for coal mining machine clamping plate; electric cable for coal mining machine clamping plate are made repeatedly repeatedly to remain smooth state in walking process at coal-winning machine; effectively prevent electric cable for coal mining machine clamping plate multiple-layer stacked, swing not smooth phenomenon, available protecting cable can not be cut off by coal-winning machine cutting drum.
3, the automatic cable handler of coal-winning machine of the present invention passes through the assembly pulley of two fixed pulleys and a movable pulley composition, achieve when coal-winning machine moves, mobile towing cable frame is the half of coal-winning machine translational speed along the translational speed of conveyor cable groove, thus when coal-winning machine moves, mobile towing cable frame can apply to stretch pulling force to electric cable for coal mining machine clamping plate, makes electric cable for coal mining machine clamping plate remain formation state.
4, to move towing cable shelf structure simple in the present invention, and the translational speed that matches with conveyor cable groove is fast, can reach and being synchronized with the movement of coal-winning machine, namely move towing cable frame synchronous with coal-winning machine not synchronized.
5, the automatic cable handler of coal-winning machine of the present invention to realize cost low, be convenient to make.
6, the operation of the automatic towing cable method of coal-winning machine of the present invention is simple, and result of use is good, easy to utilize.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the automatic cable handler of coal-winning machine of the present invention.
Fig. 2 is a kind of structural representation that the present invention moves towing cable frame.
Fig. 3 is using state schematic diagram when towing cable frame mobile shown in Fig. 2 and conveyor cable groove are slidably matched.
Fig. 4 is the another kind of structural representation that the present invention moves towing cable frame.
Fig. 5 moves using state schematic diagram when coordinating for towing cable frame mobile shown in Fig. 4 and conveyor cable trough roller.
Description of reference numerals:
1-transporter head; 2-the first fixed pulley; 3-pulling rope;
4-movable pulley; 5-mobile towing cable frame; 5-1-backplate;
5-2-top board; 5-3-through hole; 5-4-support roller;
5-5-support roller installing hole; 5-6-base plate; 5-7-guiding road wheel;
6-electric cable for coal mining machine clamping plate; 7-coal-winning machine; 8-the second fixed pulley;
9-transporter tail; 10-guide pulley; 11-conveyor cable groove.
Embodiment
The automatic cable handler of a kind of coal-winning machine as shown in Figure 1, comprise the first fixed pulley 2, second fixed pulley 8, pulling rope 3 and for the mobile towing cable frame 5 along conveyor cable groove 11 movement, described first fixed pulley 2 is arranged on transporter head 1, described second fixed pulley 8 is arranged on transporter tail 9, described mobile towing cable frame 5 is arranged between the first fixed pulley 2 and coal-winning machine 7, described mobile towing cable frame 5 is provided with movable pulley 4, described mobile towing cable frame 5 is provided with the guide pulley 10 for leading to electric cable for coal mining machine clamping plate 6, described electric cable for coal mining machine clamping plate 6 are walked around described guide pulley 10 and are connected on coal-winning machine 7, one end of described pulling rope 3 is fixed on transporter head 1, the other end of described pulling rope 3 walks around described movable pulley 4 successively, described first fixed pulley 2 and described second fixed pulley 8 are also fixed on described coal-winning machine 7.In the present embodiment, preferred way is, described pulling rope 3 adopts steel wire rope.
As shown in Figure 1, the automatic towing cable method of the coal-winning machine of the automatic cable handler of this coal-winning machine is adopted to be:
When coal-winning machine 7 moves from transporter head 1 to transporter tail 9, coal-winning machine 7 pulls electric cable for coal mining machine clamping plate 6, and electric cable for coal mining machine clamping plate 6 pull mobile towing cable frame 5 to move along conveyor cable groove 11 to transporter tail 9;
When coal-winning machine 7 moves from transporter tail 9 to transporter head 1, coal-winning machine 7 pulls pulling rope 3, and pulling rope 3 pulls mobile towing cable frame 5 to move along conveyor cable groove 11 to transporter head 1.
In the present embodiment, because the first fixed pulley 2, second fixed pulley 8 and movable pulley 4 form assembly pulley, its velocity relationship equation is: VF=nVG; Wherein, VF represents power mobile speed, is the translational speed of coal-winning machine in the present embodiment; VG represents object translational speed, i.e. the speed of resistance movement, is the translational speed of mobile towing cable frame 5 in the present embodiment; N represents the number of share of stock bearing movable pulley rope, in the present embodiment, only has a movable pulley 4, the number of share of stock participating in the rope of movable pulley 4 is 2 strands, i.e. n=2, then above-mentioned formula is deformed into: VG=VF/2, that is, when coal-winning machine 7 moves from transporter head 1 to transporter tail 9 or when coal-winning machine 7 moves from transporter tail 9 to transporter head 1, the translational speed VG of mobile towing cable frame 5 is the half of coal-winning machine 7 translational speed VF.
When coal-winning machine 7 moves from transporter head 1 to transporter tail 9, coal-winning machine 7 pulls electric cable for coal mining machine clamping plate 6, under the effect of guide pulley 10, electric cable for coal mining machine clamping plate 6 pull mobile towing cable frame 5 to move along conveyor cable groove 11 to transporter tail 9, now, under the effect of assembly pulley, the translational speed of mobile towing cable frame 5 is the half of coal-winning machine 7 translational speed, that is, when coal-winning machine 7 arrives transporter tail 9, mobile towing cable frame 5 arrives the middle part of transporter, mobile towing cable frame 5 pairs of electric cable for coal mining machine clamping plate 6 play good supporting role, make the state that electric cable for coal mining machine clamping plate 6 remain smooth, there will not be multiple-layer stacked, swing not smooth phenomenon.
When coal-winning machine 7 moves from transporter tail 9 to transporter head 1, coal-winning machine 7 pulls pulling rope 3, under the effect of assembly pulley, pulling rope 3 pulls mobile towing cable frame 5 to move along conveyor cable groove 11 to transporter head 1, now, under the effect of assembly pulley, the translational speed of mobile towing cable frame 5 is the half of coal-winning machine 7 translational speed, that is, when coal-winning machine 7 arrives transporter head 1, mobile towing cable frame 5 also arrives transporter head 1, mobile towing cable frame 5 pairs of electric cable for coal mining machine clamping plate 6 play good supporting role, make the state that electric cable for coal mining machine clamping plate 6 remain smooth, there will not be multiple-layer stacked, swing not smooth phenomenon.
In the present embodiment; by the assembly pulley arranging mobile towing cable frame 5 and be made up of the first fixed pulley 2, second fixed pulley 8 and movable pulley 4; mobile towing cable frame 5 is made to form speed difference with coal-winning machine 7; namely coal-winning machine 7 is synchronous with mobile towing cable frame 5 not synchronized; can guarantee to draw stretching of electric cable for coal mining machine clamping plate 6; electric cable for coal mining machine clamping plate 6 are made to remain smooth state in coal-winning machine more than 7 time repeatedly walking process; effectively prevent electric cable for coal mining machine clamping plate 6 multiple-layer stacked, swing not smooth phenomenon, available protecting cable can not be cut off by coal-winning machine cutting drum.
As shown in Figures 2 and 3, described mobile towing cable frame 5 comprises two backplate 5-1 and the top board 5-2 for being connected two backplate 5-1 upper ends, two described backplate 5-1 all stretch into conveyor cable groove 11, described top board 5-2 is positioned at the top of conveyor cable groove 11, described top board 5-2 offers the through hole 5-3 passed for electric cable for coal mining machine clamping plate 6, described movable pulley 4 is arranged between two described backplate 5-1.
In the present embodiment, the structure of described mobile towing cable frame 5 is simple, can effectively realize moving along conveyor cable groove 11, when electric cable for coal mining machine clamping plate 6 to stretch between two described backplate 5-1 and pass from described through hole 5-3, mobile towing cable frame 5 is driven to move by guide pulley 10, now, the upper surface of described top board 5-2 and conveyor cable groove 11 is in being slidably matched.This sliding matching mode, the situation that the smoothness for conveyor cable groove 11 madial wall, conveyor cable groove 11 upper surface, backplate 5-1 and top board 5-2 is higher.
As shown in Figure 4 and Figure 5, described top board 5-2 being provided with for rolling the support roller 5-4 coordinated with the upper surface of conveyor cable groove 11, described top board 5-2 offering for described support roller 5-4 through with the support roller installing hole 5-5 contacted with conveyor cable groove 11 upper surface.
In the present embodiment, this structure moving towing cable frame 5 is simple, by arranging support roller 5-4, achieving top board 5-2 and coordinating with the rolling of conveyor cable groove 11 upper surface, make described mobile towing cable frame 5 fast with the translational speed of coal-winning machine.Without the need to proposing high requirement to the smoothness of conveyor cable groove 11 madial wall, conveyor cable groove 11 upper surface, backplate 5-1 and top board 5-2.
As shown in Figure 5, two described backplate 5-1 are provided with for rolling the guiding road wheel 5-7 coordinated with cell wall inside conveyor cable groove 11.By arranging guiding road wheel 5-7, two described backplate 5-1 are coordinated in rolling with cell wall inside conveyor cable groove 11, thus match with support roller 5-4, make described mobile towing cable frame 5 fast with the translational speed of coal-winning machine, the coordinated movement of various economic factors that can be good with coal-winning machine 7.
As shown in Figure 3 and Figure 5, the lower end of two described backplate 5-1 is connected by base plate 5-6.By arranging base plate 5-6, enhance the bulk strength of described mobile towing cable frame 5.
The above; it is only preferred embodiment of the present invention; not the present invention is imposed any restrictions, every above embodiment is done according to the technology of the present invention essence any simple modification, change and equivalent structure transformation, all still belong in the protection range of technical solution of the present invention.

Claims (8)

1. the automatic cable handler of coal-winning machine, it is characterized in that: comprise the first fixed pulley, second fixed pulley, pulling rope and for the mobile towing cable frame along the movement of conveyor cable groove, described first fixed pulley is arranged on transporter head, described second fixed pulley is arranged on transporter tail, described mobile towing cable frame is arranged between the first fixed pulley and coal-winning machine, described mobile towing cable frame is provided with movable pulley, described mobile towing cable frame is provided with the guide pulley for leading to electric cable for coal mining machine clamping plate, described electric cable for coal mining machine clamping plate are walked around described guide pulley and are connected on coal-winning machine, one end of described pulling rope is fixed on transporter head, the other end of described pulling rope walks around described movable pulley successively, described first fixed pulley and described second fixed pulley are also fixed on described coal-winning machine.
2. the automatic cable handler of a kind of coal-winning machine according to claim 1, it is characterized in that: described mobile towing cable frame comprises two backplates and the top board for being connected two backplate upper ends, two described backplates all stretch into conveyor cable groove, described top board is positioned at the top of conveyor cable groove, described top board offers the through hole passed for electric cable for coal mining machine clamping plate, described movable pulley is arranged between two described backplates.
3. the automatic cable handler of a kind of coal-winning machine according to claim 2, is characterized in that: the upper surface of described top board and conveyor cable groove is in being slidably matched.
4. the automatic cable handler of a kind of coal-winning machine according to claim 2, it is characterized in that: described top board is provided with for rolling the support roller coordinated with the upper surface of conveyor cable groove, described top board offering for described support roller through with the support roller installing hole contacted with conveyor cable groove upper surface.
5. the automatic cable handler of a kind of coal-winning machine according to claim 4, is characterized in that: two described backplates are provided with for rolling the guiding road wheel coordinated with cell wall inside conveyor cable groove.
6. the automatic cable handler of a kind of coal-winning machine according to claim 2, is characterized in that: the lower end of two described backplates is connected by base plate.
7. the automatic cable handler of a kind of coal-winning machine according to claim 1, is characterized in that: described pulling rope adopts steel wire rope.
8. adopt the automatic towing cable method of the coal-winning machine of the automatic cable handler of coal-winning machine described in claim 1, it is characterized in that:
When coal-winning machine moves from transporter head to transporter tail, coal-winning machine pulls electric cable for coal mining machine clamping plate, and electric cable for coal mining machine clamping plate pull mobile towing cable frame to move along conveyor cable groove to transporter tail;
When coal-winning machine moves from transporter tail to transporter head, coal-winning machine pulls pulling rope, and pulling rope pulls mobile towing cable frame to move along conveyor cable groove to transporter head.
CN201510126015.7A 2015-03-21 2015-03-21 A kind of automatic cable handler of coal-winning machine and towing cable method Active CN104682313B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105048395A (en) * 2015-06-26 2015-11-11 北京天地玛珂电液控制系统有限公司 Coal cutter cable clamping plate dragging device
CN114389229A (en) * 2022-02-22 2022-04-22 三一重型装备有限公司 Automatic cable towing device of coal mining machine and coal mining machine

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3912538A1 (en) * 1989-04-17 1990-10-31 Weco Industrietechnik Gmbh Trailing cable unit between user moving along track and fixed supply - has cable led from supply unit to user suspended at cable trolleys guided in running rail using pulley blocks
CN201146361Y (en) * 2008-01-28 2008-11-05 胡充成 Apparatus for dragging cable of coal mining machine in reversal
CN103334751A (en) * 2013-06-13 2013-10-02 四川华蓥山广能集团嘉华机械有限责任公司 Protection device for coal cutter cable
CN203747357U (en) * 2014-03-19 2014-07-30 郭玉强 Coal mine coal machine cable machinery self moving device
CN204030524U (en) * 2014-06-17 2014-12-17 山东能源机械集团中矿采煤机制造有限公司 A kind of cable handler and towing cable system
CN204464925U (en) * 2015-03-21 2015-07-08 西安煤矿机械有限公司 The automatic cable handler of a kind of coal-winning machine

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3912538A1 (en) * 1989-04-17 1990-10-31 Weco Industrietechnik Gmbh Trailing cable unit between user moving along track and fixed supply - has cable led from supply unit to user suspended at cable trolleys guided in running rail using pulley blocks
CN201146361Y (en) * 2008-01-28 2008-11-05 胡充成 Apparatus for dragging cable of coal mining machine in reversal
CN103334751A (en) * 2013-06-13 2013-10-02 四川华蓥山广能集团嘉华机械有限责任公司 Protection device for coal cutter cable
CN203747357U (en) * 2014-03-19 2014-07-30 郭玉强 Coal mine coal machine cable machinery self moving device
CN204030524U (en) * 2014-06-17 2014-12-17 山东能源机械集团中矿采煤机制造有限公司 A kind of cable handler and towing cable system
CN204464925U (en) * 2015-03-21 2015-07-08 西安煤矿机械有限公司 The automatic cable handler of a kind of coal-winning machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105048395A (en) * 2015-06-26 2015-11-11 北京天地玛珂电液控制系统有限公司 Coal cutter cable clamping plate dragging device
CN114389229A (en) * 2022-02-22 2022-04-22 三一重型装备有限公司 Automatic cable towing device of coal mining machine and coal mining machine

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