CN110829343A - Cable dragging track guiding device, guiding track assembly and guiding method - Google Patents
Cable dragging track guiding device, guiding track assembly and guiding method Download PDFInfo
- Publication number
- CN110829343A CN110829343A CN201911040567.0A CN201911040567A CN110829343A CN 110829343 A CN110829343 A CN 110829343A CN 201911040567 A CN201911040567 A CN 201911040567A CN 110829343 A CN110829343 A CN 110829343A
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- Prior art keywords
- guide
- cable
- track
- guiding
- groove
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G11/00—Arrangements of electric cables or lines between relatively-movable parts
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/04—Safety devices
- E21C35/046—Protection of cables or pipes for supplying power
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G11/00—Arrangements of electric cables or lines between relatively-movable parts
- H02G11/006—Arrangements of electric cables or lines between relatively-movable parts using extensible carrier for the cable, e.g. self-coiling spring
Abstract
The invention discloses a cable dragging track guiding device, a guiding track assembly and a guiding method. The cable dragging track guide device comprises a cable groove, the bottom of the cable groove is provided with an adjusting hole, and a guide piece is provided with a guide cavity; the vertical guide rod is connected with the guide piece; the elastic piece is located on the outer side of the cable groove and abutted against the bottom of the cable groove, and the elastic piece is limited in the vertical guide rod; the transverse guide rod is fixedly arranged at the first end of the guide piece, the second end of the transverse guide rod extends out of the notch of the cable groove, the guide piece is provided with a guide opening, and the transverse guide rod is adjustably arranged in the guide opening. The guide track assembly includes at least two cable towing track guide devices. The guiding method is used for guiding by dragging the track guiding device through the cable. The cable dragging track guiding device, the guiding track assembly and the guiding method provided by the invention avoid the problem of blockage when the cable dragging cable in the cable groove to move by the cable dragging track guiding device, and increase the operation continuity.
Description
Technical Field
The invention relates to the technical field of cable dragging track guiding, in particular to a cable dragging track guiding device, a guiding track assembly and a guiding method.
Background
The coal mining machine is one of three machines matched with the current coal fully-mechanized mining working face. The coal mining machine can do reciprocating motion in the coal mining process, the cable of the coal mining machine can be bent for multiple times when moving along with the reciprocating motion of the coal mining machine, namely, the cable is overlapped for multiple times in the vertical direction, the multiple overlapping of the cable limits the further reduction of the height of the support, and meanwhile, the multiple overlapping can cause the phenomena of cable extrusion, excessive bending and twisting, excessive abrasion, stretching, electric leakage, falling, overturning and the like.
In the prior art, a worker is generally required to follow and monitor or arrange a cable in a cable trough in the working process of a coal mining machine so as to protect the cable. The personnel follow the waste of manpower, and the maintenance cost is high; and the underground environment is complex, thus easily causing harm to the following personnel. Generally, a cable dragging track guide device is arranged on a cable trough, such as a cable automatic dragging trolley drags a cable, the cable trough is located on the outer side of a conveyor, the cable trough of the conveyor is arranged in sections, so that the conditions of pushing, sliding, bending and fluctuation of the height of a working face during pulling a frame in a working face coal mining process are adapted, and accordingly gaps, bending, incontinuous conditions such as incapability of alignment and the like can exist at the joint of the cable trough section and the section.
Therefore, it is necessary to solve the above-mentioned technical problems.
Disclosure of Invention
The invention provides a cable dragging track guiding device, a guiding track assembly and a guiding method, which are used for solving the problems in the prior art, avoiding the problem that the cable dragging track guiding device is blocked when sliding in a cable groove, increasing the sliding continuity of the cable dragging track guiding device and reducing the maintenance cost of the cable dragging track guiding device.
The invention provides a cable dragging track guiding device, which comprises a cable groove, wherein the bottom of the cable groove is provided with an adjusting hole, and the cable dragging track guiding device also comprises: the guide piece is arranged in the cable groove, a guide cavity extending in the same direction as the cable groove is formed in the guide piece, and two ends of the guide cavity are both provided with openings; a first end of the vertical guide rod is connected to the guide piece, and a second end of the vertical guide rod can extend out of the cable groove from the adjusting hole in a sliding manner; the elastic piece is positioned outside the cable groove, the first end of the elastic piece along the elastic direction abuts against the groove bottom of the cable groove, the second end of the elastic piece along the elastic direction is limited on the vertical guide rod, and when the guide rail abuts against the groove bottom of the cable groove, the length of the elastic piece along the elastic direction is smaller than that of the elastic piece in a free state; the first end of the transverse guide rod is fixedly arranged at the first end of the guide piece, the second end of the transverse guide rod extends out of the notch of the cable groove, the second end of the guide piece is provided with a guide opening used for accommodating the second end of the transverse guide rod, and the second end of the transverse guide rod is arranged in the guide opening in an adjustable mode.
Optionally, the two oppositely disposed ends of the guide member are aligned with the two oppositely disposed notches of the cable groove in a one-to-one correspondence.
Optionally, the thickness and the width of the second end of the transverse guide rod are both gradually reduced along a direction away from the notch of the cable groove, and the guide opening is a strip-shaped opening.
Optionally, the guide member includes a rail base plate and a guide rail that are clamped together, and the clamped rail base plate and the guide rail define the guide cavity.
Optionally, the laminating of track bottom plate is in the tank bottom of cable duct, the direction track includes the roof, be provided with the stopper on the roof, the stopper with leave the clearance between the roof, be provided with the card strip on the track bottom plate, the card strip extends into in the clearance, so that the track bottom plate with direction track looks joint.
Optionally, the cable towing rail guide further comprises a driven rail detachably mounted on the rail base and extending in the same direction as the guide rail, the driven rail and the rail base defining a driven slot.
Optionally, the driven rail is detachably mounted on the cable trough.
Optionally, the cable dragging track guiding device further comprises a nut, the second end of the vertical guide rod is provided with an external thread, the nut is screwed on the external thread, and the second end of the elastic member abuts against one side of the nut, which faces the cable groove, and the other side of the nut faces the cable groove.
Optionally, the elastic member includes a return spring, and the return spring is sleeved on the vertical guide rod.
Based on the same inventive concept, the invention also provides a guide rail assembly, which comprises at least two cable dragging rail guide devices, wherein the at least two cable dragging rail guide devices are sequentially arranged; in any two adjacent cable dragging track guide devices, two cable grooves are butted, two guide pieces are butted, and the second end of the transverse guide rod on the first guide piece extends into the guide opening.
Based on the same inventive concept, the invention also provides a guiding method for guiding the cable by the guide track assembly, which comprises the following steps: arranging a plurality of cable dragging track guide devices, and arranging at least two cable dragging track guide devices in sequence; in any two adjacent cable drag track guides, the two cable troughs are butted, the two guides are butted, and the second ends of the transverse guide bars on the first guide extend into the guide openings; and sequentially penetrating a driving chain through guide cavities of the cable dragging track guide devices.
According to the cable dragging track guiding device, the guiding track assembly and the guiding method, the driving chain of the cable dragging track guiding device is placed in the guiding cavity, and the guiding cavity plays a role in protecting and guiding the driving chain; the guide piece is limited in the cable groove through the vertical guide rod and the elastic piece, the elastic piece is in a compressed state and applies a tensile force pointing to the bottom of the cable groove to enable the guide piece to be attached to the bottom of the cable groove, and the elastic piece can be stretched or further compressed to enable the vertical guide rod to move in the adjusting hole along the axial direction, so that the rail bottom plate is enabled to generate certain displacement in a preset range along the vertical and left and right directions, and necessary conditions are provided for position adjustment of the subsequent guide piece at the butt joint; when two direction chambeies dock, the second end of a transverse guide rod can wear to establish in the uide hole of another transverse guide rod, so that the guide can carry out about, the adjustment of left and right sides in butt joint department, guarantee that two direction chambeies of butt joint are adjusted well in respective opening part and set up, improve the adaptability of guide, avoid the cable to pull track guider and appear the problem that the card hinders in butt joint department, the cable pulls track guider can pass smoothly in butt joint department, the continuity that the cable pulled track guider and removed has been increased, the maintenance cost that the cable pulled track guider has been reduced.
Drawings
The preferred embodiments of the present invention will hereinafter be described in detail to facilitate understanding of the objects and advantages of the invention, with reference to the accompanying drawings, in which:
fig. 1 is a transverse cross-sectional view of a cable towing rail guide apparatus provided in accordance with an alternative embodiment of the present invention.
Fig. 2 is a schematic structural view of a cable towing track guide according to an alternative embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a guide rail according to an alternative embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a track base plate according to an alternative embodiment of the present invention.
Fig. 5 is a side view of two cable towing rail guides in butt joint according to an alternative embodiment of the present invention.
Fig. 6 is a partially enlarged view of a in fig. 5.
Fig. 7 is a top view of fig. 5.
Fig. 8 is a schematic structural diagram of a guiding method according to an alternative embodiment of the present invention.
Detailed Description
The terms of orientation of up, down, left, right, front, back, top, bottom, and the like as referred to or as may be referred to in this specification are defined with respect to the configuration shown in the drawings, and the terms "inner" and "outer" refer to directions toward and away from the geometric center of a particular component and are relative terms, and thus may be changed accordingly depending on the position and the state of use of the particular component. Therefore, these and other directional terms should not be construed as limiting terms.
As shown in fig. 1 to 5, the present invention provides a cable towing rail guide apparatus including a cable groove 1, a guide 2, a vertical guide bar 3, an elastic member 4, and a lateral guide bar 5.
Referring to fig. 1 to 2, an adjusting hole is formed at the bottom of the cable groove 1, the guide member 2 is disposed in the cable groove 1, a guide cavity 21 extending in the same direction as the cable groove 1 is formed in the guide member 2, and openings are formed at both ends of the guide cavity 21, so that the cable dragging track guide device can pass smoothly. The guide cavity 21 is used for placing a drive chain of the cable dragging track guide, and the drive chain drives the cable dragging track guide to move along the cable groove. A first end of the vertical guide rod 3 is connected to the guide part 2, and a second end of the vertical guide rod 3 can extend out of the cable groove 1 from the adjusting hole in a sliding manner; the elastic part 4 is positioned outside the cable groove 1, a first end of the elastic part 4 along the elastic direction abuts against the groove bottom of the cable groove 1, a second end of the elastic part 4 along the elastic direction is limited on the vertical guide rod 3, and when the guide track 23 abuts against the groove bottom of the cable groove 1, the length of the elastic part 4 along the elastic direction is smaller than that in a free state; the first end of the transverse guide rod 5 is fixedly arranged at the first end of the guide part 2, the second end of the transverse guide rod 5 extends out of the notch of the cable groove 1, and the thickness and the width of the second end of the transverse guide rod 5 are gradually reduced along the direction far away from the notch of the cable groove 1; the second end of the guide member 2 is provided with a guide opening for accommodating the second end of the transverse guide rod 5, and the second end of the transverse guide rod 5 is adjustably arranged in the guide opening.
According to the cable dragging track guiding device provided by the invention, a driving chain of the cable dragging track guiding device is placed in the guiding cavity 21, and the guiding cavity 21 plays a role in protecting and guiding the driving chain; the guide member 2 is limited in the cable groove 1 through the vertical guide rod 3 and the elastic member 4, the elastic member 4 is in a compressed state to apply a pulling force pointing to the groove bottom of the cable groove 1 to enable the guide member 2 to be attached to the groove bottom of the cable groove 1, and the elastic member 4 can be stretched or further compressed to enable the vertical guide rod 3 to move axially in the adjusting hole to ensure that the rail base plate 22 generates certain displacement in a predetermined range along the vertical and left and right directions to provide necessary conditions for position adjustment of the subsequent guide member 2 at the butt joint, when two guide cavities 21 are butted, the second end of one transverse guide rod 5 can be inserted into the guide opening of the other transverse guide rod 5 to enable the guide member 2 to be adjusted up and down and left and right at the butt joint, and ensure that the two butted guide cavities 21 are aligned at respective openings, the adaptability of the guide piece 2 is improved, the problem that the cable dragging track guide device is blocked at the butt joint is avoided, the cable dragging track guide device can smoothly pass at the butt joint, the moving continuity of the cable dragging track guide device is improved, and the maintenance cost of the cable dragging track guide device is reduced. Alternatively, two oppositely arranged ends of the guide member 2 are aligned with two oppositely arranged notches of the cable trough 1 in a one-to-one correspondence. This embodiment can make the second end of transverse guide 5 directly wear to establish into on the guide 2, avoids appearing the position interference with cable duct 1, has increased transverse guide's 5 flexibility.
Optionally, the thickness and the width of the second end of the transverse guide rod 5 are both gradually reduced along the direction away from the notch of the cable groove 1, as shown in fig. 2, the second end of the transverse guide rod 5 can be shaped like a wedge structure in the embodiment, a certain wedge angle is formed in both the thickness direction and the width direction, the guide opening is a strip-shaped opening, the second end of the transverse guide rod 5 is adjustably arranged in the guide opening, that is, the wedge structure can deflect in the strip-shaped guide opening to adapt to the deflection of the adjacent cable groove at the butt joint, and the adjacent tracks are ensured to be always kept continuous at the butt joint through the connection effect of the wedge structure, so that the occurrence of stubble faults is avoided.
Preferably, the guide member 2 includes a rail base plate 22 and a guide rail 23, which are clamped together, and the clamped rail base plate 22 and the guide rail 23 define the guide cavity 21. The guide rail 23 may be a structure with a U-shaped cross section, the guide rail 23 is fastened to the rail base plate 22 in a manner that the notch faces the rail base plate 22 to form the guide cavity 21, and two side plates on the guide rail 23 can limit the driving chain left and right.
Optionally, track bottom plate 22 is laminated the tank bottom of cable duct 1, guide rail 22 includes roof 25, be provided with stopper 24 on the roof 25, stopper 24 with leave the clearance between the roof 25, be provided with the card strip on the track bottom plate 22, the card strip extends into in the clearance to make track bottom plate 22 play spacing effect to guide rail 23 on vertical direction, so that track bottom plate 22 with guide rail 23 looks joint, the laying of drive chain of being convenient for. The clamping strip can be an L-shaped structure, the vertical structure of the L-shaped structure can enable the transverse structure to extend into the gap, and the transverse structure directly penetrates through the gap.
Preferably, the cable towing rail guide further comprises a driven rail 6, the driven rail 6 being detachably mounted on the rail base 22 and extending in the same direction as the guide rail 23, the driven rail 6 and the rail base 22 defining a driven groove 61. The drive chain is an annular chain, and the driven rail 6 and the guide rail 23 can form an annular rail matched with the drive chain, so that the drive chain can move annularly in the cable dragging rail guide device.
Optionally, the driven rail 6 is bolted to the cable trough 1. The driven track 6 bolted connection has convenient to detach's characteristics, makes things convenient for driven track 6 to take out and put back from cable duct 1, is convenient for lay of drive chain.
Optionally, the cable dragging track guiding device further comprises a nut 7, a second end of the vertical guide rod 3 is provided with an external thread, the nut 7 is screwed on the external thread, and a second end of the elastic member 4 abuts against one side of the nut 7 facing the cable trough 1. The elastic member 4 may be sleeved on the vertical guide rod 3, and then the nut 7 may be screwed on the vertical guide rod 3 to limit the second end of the elastic member 4. And the nut 7 can be disassembled to facilitate the removal or replacement of the elastic element 4.
Preferably, the elastic member 4 includes a return spring, and the return spring is sleeved on the vertical guide rod 3. The rail base plate 22 can be tightly attached to the bottom of the cable trough 1 by the tension of the return spring.
Based on the same inventive concept, the invention also provides a guide rail assembly, which comprises at least two cable dragging rail guide devices, wherein the at least two cable dragging rail guide devices are sequentially arranged; in any two adjacent cable dragging track guide devices, two cable grooves 1 are butted, two guide pieces 2 are butted, and the second end of the transverse guide rod 5 on the first guide piece 2 extends into the guide opening.
As shown in fig. 8, based on the same inventive concept, the present application further provides a guiding method for guiding a cable through the above-mentioned guiding track assembly, comprising the following steps: s1: arranging a plurality of cable dragging track guide devices, and arranging at least two cable dragging track guide devices in sequence; s2: in any two adjacent cable dragging track guiding devices, two cable grooves 1 are butted, two guiding pieces 2 are butted, and the second end of the transverse guide rod 5 on the first guiding piece 2 extends into the guiding opening 27; and S3, sequentially penetrating the driving chain through the guide cavities 21 of the cable dragging track guide devices.
According to the cable dragging track guiding device, the guiding track assembly and the guiding method, a transverse guide rod 5 is arranged between a guide piece 2 and the guide piece 2 in the cable dragging track guiding device, and a vertical guide rod 3 is arranged between the vertical direction and a cable groove 1. One end of the transverse guide rod 5 is rectangular, and the other end of the transverse guide rod is wedge-shaped and has a certain wedge angle, so that the bending change and the gap change of the upper part, the lower part, the left part and the right part between the rails can be allowed; the vertical guide rod 3 of track and cable duct 1 are floating structure from top to bottom, control, have certain float volume, make the track float under the direction of horizontal guide rod 5, and mutual location between adjacent track ensures that the track can avoid the appearance of wrong stubble when can adapt to the working face and fluctuate and push away smooth and draw frame normal bending condition, has guaranteed the continuity in the track space.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a cable pulls track guider, includes the cable duct, its characterized in that, the regulation hole has been seted up to the tank bottom of cable duct, still includes:
the guide piece is arranged in the cable groove, a guide cavity extending in the same direction as the cable groove is formed in the guide piece, and two ends of the guide cavity are both provided with openings;
a first end of the vertical guide rod is connected to the guide piece, and a second end of the vertical guide rod can extend out of the cable groove from the adjusting hole in a sliding manner;
the elastic piece is positioned outside the cable groove, the first end of the elastic piece along the elastic direction abuts against the groove bottom of the cable groove, the second end of the elastic piece along the elastic direction is limited on the vertical guide rod, and when the guide rail abuts against the groove bottom of the cable groove, the length of the elastic piece along the elastic direction is smaller than that of the elastic piece in a free state;
the first end of the transverse guide rod is fixedly arranged at the first end of the guide piece, the second end of the transverse guide rod extends out of the notch of the cable groove, the second end of the guide piece is provided with a guide opening used for accommodating the second end of the transverse guide rod, and the second end of the transverse guide rod is arranged in the guide opening in an adjustable mode.
2. The cable drag track guide of claim 1 wherein the opposed ends of said guide are aligned in a one-to-one correspondence with the opposed notches of said cable trough.
3. The cable drag track guide of claim 2 wherein the second end of the transverse guide bar has a thickness and width that both decrease in a direction away from the cable slot opening, and the guide opening is a strip-shaped opening.
4. The cable drag track guide of claim 3, wherein the guide comprises a clamped track base and a guide track, the clamped track base and guide track defining the guide cavity.
5. The cable dragging track guiding device according to claim 4, wherein the track bottom plate is attached to the bottom of the cable groove, the guiding track comprises a top plate, a limiting block is arranged on the top plate, a gap is reserved between the limiting block and the top plate, a clamping strip is arranged on the track bottom plate, and the clamping strip extends into the gap, so that the track bottom plate is clamped with the guiding track.
6. The cable towing track guide according to claim 5 further comprising a follower track removably mounted on the track base and extending co-directionally with the guide track, the follower track defining a follower channel with the track base.
7. The cable drag track guide of any of claims 1-6, further comprising a nut, wherein the second end of the vertical guide bar is provided with an external thread, the nut being threaded onto the external thread, and wherein the second end of the resilient member abuts against a side of the nut facing the cable slot.
8. The cable drag track guide of claim 7, wherein said resilient member comprises a return spring, said return spring being sleeved over said vertical guide rod.
9. A guide track assembly comprising at least two cable trailed track guide as claimed in any of claims 1 to 8, the at least two cable trailed track guides being arranged in series;
in any two adjacent cable dragging track guide devices, two cable grooves are butted, two guide pieces are butted, and the second end of the transverse guide rod on the first guide piece extends into the guide opening.
10. A method of guiding a cable through the guide track assembly of claim 9, comprising the steps of:
arranging a plurality of cable dragging track guide devices, and arranging at least two cable dragging track guide devices in sequence;
in any two adjacent cable drag track guides, the two cable troughs are butted, the two guides are butted, and the second ends of the transverse guide bars on the first guide extend into the guide openings;
and sequentially penetrating a driving chain through guide cavities of the cable dragging track guide devices.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911040567.0A CN110829343B (en) | 2019-10-29 | 2019-10-29 | Cable dragging track guiding device, guiding track assembly and guiding method |
| CN202110549123.0A CN113300312B (en) | 2019-10-29 | 2019-10-29 | Cable pulls track guider and direction track assembly |
| CN202110549131.5A CN113300313B (en) | 2019-10-29 | 2019-10-29 | Guide rail assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911040567.0A CN110829343B (en) | 2019-10-29 | 2019-10-29 | Cable dragging track guiding device, guiding track assembly and guiding method |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110549131.5A Division CN113300313B (en) | 2019-10-29 | 2019-10-29 | Guide rail assembly |
| CN202110549123.0A Division CN113300312B (en) | 2019-10-29 | 2019-10-29 | Cable pulls track guider and direction track assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110829343A true CN110829343A (en) | 2020-02-21 |
| CN110829343B CN110829343B (en) | 2021-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911040567.0A Active CN110829343B (en) | 2019-10-29 | 2019-10-29 | Cable dragging track guiding device, guiding track assembly and guiding method |
| CN202110549123.0A Active CN113300312B (en) | 2019-10-29 | 2019-10-29 | Cable pulls track guider and direction track assembly |
| CN202110549131.5A Active CN113300313B (en) | 2019-10-29 | 2019-10-29 | Guide rail assembly |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
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| CN202110549123.0A Active CN113300312B (en) | 2019-10-29 | 2019-10-29 | Cable pulls track guider and direction track assembly |
| CN202110549131.5A Active CN113300313B (en) | 2019-10-29 | 2019-10-29 | Guide rail assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114725853A (en) * | 2022-03-18 | 2022-07-08 | 北京天玛智控科技股份有限公司 | Guide rail assembly and coal mining machine cable dragging device |
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| CN101807787A (en) * | 2009-02-17 | 2010-08-18 | 总装备部工程设计研究总院 | Powerless constant length cable traction mechanism |
| CN102013656A (en) * | 2009-09-07 | 2011-04-13 | 英业达股份有限公司 | Lead guider |
| CN202108407U (en) * | 2011-05-24 | 2012-01-11 | 红门智能科技股份有限公司 | Cable wiring structure of telescopic translational door |
| WO2015019829A1 (en) * | 2013-08-07 | 2015-02-12 | 住友電装株式会社 | Cable-holding bracket |
| CN204793972U (en) * | 2015-07-10 | 2015-11-18 | 西安煤矿机械有限公司 | Automatic tow -cable system of coal -winning machine |
| CN205400728U (en) * | 2016-03-02 | 2016-07-27 | 西安科技大学 | Coal -winning machine cable pulls device |
| CN206345361U (en) * | 2016-11-29 | 2017-07-21 | 厦门烟草工业有限责任公司 | A kind of tobacco storage cabinet cable dragging rail set |
| CN207947591U (en) * | 2018-01-19 | 2018-10-09 | 连云港天明装备有限公司 | A kind of automatic cable handler of coalcutter |
| CN209233434U (en) * | 2019-02-27 | 2019-08-09 | 尹仟 | A kind of automatic cable handler |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114725853A (en) * | 2022-03-18 | 2022-07-08 | 北京天玛智控科技股份有限公司 | Guide rail assembly and coal mining machine cable dragging device |
| CN114725853B (en) * | 2022-03-18 | 2023-12-22 | 北京天玛智控科技股份有限公司 | Guide rail assembly and coal mining machine cable dragging device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113300313B (en) | 2022-11-11 |
| CN113300312A (en) | 2021-08-24 |
| CN113300312B (en) | 2022-11-11 |
| CN113300313A (en) | 2021-08-24 |
| CN110829343B (en) | 2021-06-15 |
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Address after: 101399 No.27, Linhe Development Zone, Shunyi District, Beijing Patentee after: Beijing Tianma Zhikong Technology Co.,Ltd. Patentee after: Beijing coal technology Tianma Automation Technology Co., Ltd Address before: No.131, ground floor, Tiandi building, No.5, qingniangou East Road, Hepingli, Chaoyang District, Beijing 100013 Patentee before: BEIJING TIANDI-MARCO ELECTRO-HYDRAULIC CONTROL SYSTEM Co.,Ltd. Patentee before: Beijing coal technology Tianma Automation Technology Co., Ltd |