CN112490962B - Coal-winning machine cable protection device - Google Patents
Coal-winning machine cable protection device Download PDFInfo
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- CN112490962B CN112490962B CN202011238954.8A CN202011238954A CN112490962B CN 112490962 B CN112490962 B CN 112490962B CN 202011238954 A CN202011238954 A CN 202011238954A CN 112490962 B CN112490962 B CN 112490962B
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- cable
- sliding block
- groove
- plate
- pipe
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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
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0462—Tubings, i.e. having a closed section
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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
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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
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0406—Details thereof
- H02G3/0418—Covers or lids; Their fastenings
Abstract
The invention discloses a coal mining machine cable protection device, which comprises a groove plate with a U-shaped groove, wherein a plurality of convex strips are arranged on the upper side of the inner wall of the groove plate, a sliding cavity is formed among the convex strips, a sliding block is arranged in the sliding cavity, a cable positioning pipe which is vertically upward is arranged on the sliding block, a cover plate is fixed at the top of the groove plate, the cover plate is provided with a through groove for the top end of the cable positioning pipe to extend out, the cover plate is provided with an automatic closing mechanism for covering the through groove, the single closing piece is provided with an opening mechanism for opening the single closing piece, the opening mechanism comprises positioning rods arranged at two sides of the bottom of each single closing piece, the front end of the positioning rod is provided with a guide block, the front end of the guide block extends out of the end part of the single closing piece, and a sliding block driving mechanism is arranged in the groove plate, and a protection mechanism is arranged at the top end of the cable positioning pipe. The invention has better protection effect, avoids the damage of the coal cinder to the cable main body and is convenient for dragging.
Description
Technical Field
The invention relates to the technical field of coal mining in coal mines, in particular to a cable protection device of a coal mining machine.
Background
The method is characterized in that the method is produced according to a notice of ' issuing guidance opinions about accelerating intelligent development of coal mines ' (2020) ' 283 characters issued by the eight ministerial committees in China and a method of acceptance of coal mine intellectualization of the large coal province, wherein the method is used for improving the intelligent height of the coal mine, providing intelligent perception of the intelligent coal mining environment and automatically and independently completing the coal mining operation process by coal mining equipment; the 3.0 mode of the intelligent coal mining industry is also created in the corner coal mine of the near-Yiye mining industry group, and the functions of memory cutting, local/remote control, autonomous positioning, mining height accurate control, fault diagnosis and the like of the coal mining machine are realized; the intelligent mining technology of '5G + high-precision navigation positioning + Longsoft science and technology one-picture + three-dimensional dynamic geological model self-adaptive coal cutting' is encouraged to be adopted; the successful research and development of the technology provides powerful guarantee for the intelligent mining of the coal mine.
The transparent coal face is remotely monitored, the intelligent coal mining machine on the work face automatically operates, an operator of the original coal mining machine cancels, a main cable (providing power, signals, communication and the like for the coal mining machine) of the intelligent coal mining machine moves up and down and drags back and forth along with the coal mining machine in the coal mining process, the cable is placed in a cable groove, the cable is easy to fall out of a power supply junction box of the coal mining machine due to the fact that the work face often fluctuates up and down, a scraper conveyor is bent, a platform is staggered, and coal blocks possibly fall into the cable groove in the coal dropping process, so that the service life of the cable of the coal mining machine is seriously damaged, the dragging effect of the cable is seriously damaged, the cable is easy to fall out of the power supply junction box of the coal mining machine, the binding post of the main cable or the power supply box is damaged, an electric short-circuit accident is caused, gas and coal dust explosion can be caused seriously, and great potential safety hazards are not caused to the artificial operation of the intelligent coal face. Therefore, the cable protection device for the coal mining machine is provided.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a coal mining machine cable protection device.
In order to solve the technical problems, the invention provides the following technical scheme:
the invention relates to a cable protection device of a coal mining machine, which comprises a groove plate with a U-shaped groove, wherein a plurality of convex strips are arranged on the upper side of the inner wall of the groove plate, a sliding cavity is formed among the convex strips, a sliding block is arranged in the sliding cavity, a cable positioning pipe which is vertically upward is arranged on the sliding block, a cover plate is fixed at the top of the groove plate, a through groove for extending the top end of the cable positioning pipe is arranged on the cover plate, an automatic closing mechanism for covering the through groove is arranged on the cover plate, the automatic closing mechanism comprises a containing cavity which is arranged on the cover plate and is transversely opposite to the through groove, a plurality of monomer closing pieces sliding along the containing cavity are embedded in each containing cavity, the plurality of monomer closing pieces form a closed cover door in a combined mode, a compression spring is arranged between the inner end part of each monomer closing piece and the containing cavity, and an opening mechanism for opening the monomer closing pieces is arranged on each monomer closing piece, the opening mechanism comprises positioning rods arranged on two sides of the bottom of each single closing piece, guide blocks are arranged at the front ends of the positioning rods, the front ends of the guide blocks extend out of the end portions of the single closing pieces, sliding block driving mechanisms are arranged in the groove plates, and protection mechanisms are arranged at the top ends of the cable positioning pipes.
As a preferred technical scheme of the invention, the sliding block driving mechanism comprises a screw rod arranged in a groove plate, a sliding block sliding along the screw rod is arranged on the screw rod, the sliding block is fixed with the sliding block through a screw, and a servo motor in transmission connection with the shaft end part of the screw rod is arranged in the groove plate.
As a preferred technical solution of the present invention, the sliding block driving mechanism and the coal mining machine perform synchronous movement operation.
As a preferable aspect of the present invention, the shielding mechanism includes a shielding plate disposed at an upper end of the cable positioning tube to cover the partial plurality of the single closing pieces.
As a preferable technical scheme of the invention, an automatic cleaning mechanism for cleaning the surface of the closed cover door is arranged on the protective shielding plate, the automatic cleaning mechanism comprises cleaning brush discs arranged at the front end and the rear end of the protective shielding plate, and the cleaning brush discs are in transmission connection with the sliding blocks through a synchronous transmission mechanism.
As a preferred technical scheme of the invention, the synchronous transmission mechanism comprises a rotating pipe sleeved outside the cable positioning pipe, the upper end and the lower end of the rotating pipe are respectively provided with a first gear ring and a second gear ring, the inner wall of the groove plate is provided with a rack which is in meshing transmission with the second gear ring, the shaft end of the cleaning brush disc is provided with a transmission gear which is in meshing transmission with the first gear ring, the sliding block is provided with a protective pipe which is positioned on the periphery of the rotating pipe and used for covering the rotating pipe, and the protective pipe extends out of the through groove.
As a preferable technical solution of the present invention, a guide slope is provided on an outer side of each of the guide blocks.
As a preferable technical scheme of the invention, the top end of the cable positioning pipe is provided with a wire positioning hoop, and the cable is fixed with the cable positioning pipe through the wire positioning hoop.
As a preferable technical solution of the present invention, a rubber sealing layer is provided at an end of the single closing piece.
The invention has the beneficial effects that: 1. the cable protection device of the coal mining machine is characterized in that a cable main line integrated with various lines is placed in a U-shaped groove in a groove plate, one end of the cable main line extends out of a cable positioning pipe, the cable main line and a cable position location pipe are fixed, the cable main body is laid on the groove plate to a sufficient length, when the coal mining machine travels up and down and drags back and forth, a sliding block driving mechanism synchronously drives a sliding block to move to change the position of the cable main line, so that the cable main line cannot be dragged when the coal mining machine shifts, the cable main body is laid on the groove plate to a sufficient length when the cable main line is changed, the cable main body only bends and folds correspondingly in the groove plate, and accordingly the dragging phenomenon cannot occur, wherein a cover plate is arranged at the top of the groove plate, so that solid matters such as coal cinder and the like are prevented from entering the groove plate in the coal mining process, the cable main line is prevented from being scratched by coal slag, the coal slag is prevented from being clamped into the groove plate, the dragging force of the cable main line is increased when the cable main line is dragged, and the cable main body is easy to break, wherein the cover plate is provided with an automatic closing mechanism for covering the through groove, the automatic closing mechanism can be automatically opened and closed when the sliding block moves to change the position of the cable main line, so that the coal slag is prevented from falling into the groove plate, when the automatic closing mechanism is closed, the single closing pieces stretch out under the action of the compression spring in a natural state, the tops of the two single closing pieces are abutted under the action of the opposite single closing pieces to play a closing role, when the sliding block moves to a corresponding position, the corresponding single closing pieces are opened, mainly the positioning blocks are abutted against the guide blocks firstly, and under the action of the guide blocks, the single closing pieces are retracted inwards, the two closed single closing pieces are opened, the positioning tube enters a clamping opening formed by the opened single closing pieces, and other single closing pieces which do not have an interference effect with the positioning tube are closed under the action of the compression spring.
2. This kind of coal-winning machine cable protection device sets up specific sliding block actuating mechanism and drives the sliding block removal, and then removes synchronous drive sliding block, changes the position of cable thread for when the coal-winning machine shifts the work, can not make the cable thread take place to drag the phenomenon, mainly drive the lead screw through servo motor and rotate, and then realize the synchronous motion of sliding block and coal-winning machine.
3. This kind of coal-winning machine cable protection device covers the protection sunshade of local a plurality of monomer closure pieces in cable registration arm upper end, utilizes the protection sunshade to play the effect of protection, opens two closed monomer closure pieces and forms the opening and cover, avoids opening the cinder and enters into the frid through the opening when monomer closure piece is opened and is formed the opening in for drag the power of dragging that increases the cable thread when dragging the cable thread, cause the cable main part fracture easily.
4. This kind of coal-winning machine cable protection device is equipped with the self-cleaning mechanism that is used for cleaning closed lid door surface on the protection sunshade, utilize self-cleaning mechanism to come to clean the cinder that falls into the closed lid door surface that is formed by a plurality of monomer closure pieces, avoid falling into the cinder on closed lid door surface when monomer closure piece is opened and is formed the opening and pass through the opening and enter into the frid in, make and drag the power that pulls that increases the cable thread when dragging the cable thread, cause the cable main part fracture easily.
5. The cleaning brush disc and the sliding block are in transmission connection through the synchronous transmission mechanism, the sliding block and the cleaning brush disc are subjected to synchronous transmission through the arrangement of the specific synchronous transmission mechanism, mainly, when the sliding block moves, the second gear ring at the lower end of the rotating pipe is meshed with the rack, the rotating pipe is driven to synchronously rotate along with the movement of the sliding block, the first gear ring at the upper end of the rotating pipe is meshed with the transmission gear on the cleaning brush disc, and the cleaning brush disc is driven to synchronously rotate so as to clear away coal cinder falling onto the closed cover door.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of a cable protection device of a coal mining machine according to the invention;
fig. 2 is a closed state diagram of a single closing piece of the cable protection device of the coal mining machine of the invention;
fig. 3 is a schematic structural view of an opening mechanism of a cable protection device of a coal mining machine according to the present invention;
fig. 4 is a diagram of an opened state of the cable protection apparatus of the shearer of the present invention when moving leftward;
fig. 5 is a diagram of an open state of the cable protection apparatus of the shearer of the present invention when moving rightward;
FIG. 6 is a schematic structural view of an automatic cleaning mechanism of a shearer cable protection device of the present invention;
fig. 7 is a schematic structural view of a synchronous transmission mechanism of the cable protection device of the coal mining machine of the invention;
fig. 8 is a state diagram of the cable movement of a shearer cable protection device of the present invention;
fig. 9 is a schematic structural view of a through groove of the cable protection device of the coal mining machine.
In the figure: 1. a groove plate; 2. a U-shaped groove; 3. a convex strip; 4. a slide chamber; 5. a slider; 6. a cable positioning tube; 7. a cover plate; 8. an automatic closing mechanism; 9. a receiving cavity; 10. a single closing piece; 11. closing the cover door; 12. a compression spring; 13. an opening mechanism; 14. positioning a rod; 15. a guide block; 17. a sliding block drive mechanism; 18. a protection mechanism; 19. a screw rod; 20. a slider; 22. a protective shield; 23. an automatic cleaning mechanism; 24. cleaning the brush disc; 25. a synchronous transmission mechanism; 26. rotating the tube; 27. a first ring gear; 28. a second ring gear; 29. a rack; 30. a transmission gear; 31. a protective tube; 32. a guide ramp; 33. a through groove; 34. a rubber sealing layer; 35. wire positioning hoop.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example (b): as shown in fig. 1-9, the coal mining machine cable protection device of the present invention includes a groove plate 1 with a U-shaped groove 2, the upper side of the inner wall of the groove plate 1 is provided with a plurality of protruding strips 3, a sliding cavity 4 is formed between the plurality of protruding strips 3, a sliding block 5 is arranged in the sliding cavity 4, the sliding block 5 is provided with a cable positioning pipe 6 which is vertically upward, the top of the groove plate 1 is fixed with a cover plate 7, the cover plate 7 is provided with a through groove 33 for extending the top end of the cable positioning pipe 6, the cover plate 7 is provided with an automatic closing mechanism 8 for covering the through groove 33, the automatic closing mechanism 8 includes a receiving cavity 9 which is arranged on the cover plate 7 and transversely opposite to the through groove 33, a plurality of single closing sheets 10 sliding along the receiving cavity 9 are embedded in each receiving cavity 9, the plurality of single closing sheets 10 are combined to form a closing door 11, a compression spring 12 is arranged between the inner end of each single closing sheet 10 and the receiving cavity 9, the single closing sheets 10 are provided with opening mechanisms 13 for opening the single closing sheets 10, each opening mechanism 13 comprises positioning rods 14 arranged on two sides of the bottom of each single closing sheet 10, the front ends of the positioning rods 14 are provided with guide blocks 15, the front ends of the guide blocks 15 extend out of the end parts of the single closing sheets 10, the groove plate 1 is internally provided with a sliding block driving mechanism 17, the top end of each cable positioning pipe 6 is provided with a protection mechanism 18, a cable main line integrated with various lines is placed in a U-shaped groove 2 in the groove plate 1, one end of the cable main line extends out of the cable positioning pipe 6, the cable main line and the cable position location pipe are fixed, the cable main body is laid on the groove plate 1 to be long enough, when the coal mining machine walks up and down and drags back and forth, the sliding block 5 drives a sliding block 20 to move synchronously to change the position of the cable main line, when the coal mining machine is shifted, the cable main line cannot be dragged, the cover plate 7 is arranged at the top of the groove plate 1, solid matters such as coal slag and the like are prevented from entering the groove plate 1 in the coal mining process, the coal slag is prevented from scratching the cable main line, the coal slag is prevented from being clamped into the groove plate 1, the dragging force of the cable main line is increased when the cable main line is dragged, and the cable main body is easy to break, wherein the cover plate 7 is provided with an automatic closing mechanism 8 used for covering the through groove 33, the automatic closing mechanism can be automatically opened and closed when the sliding block 5 moves to change the position of the cable main line, the coal slag is prevented from falling into the groove plate 1, when the automatic closing mechanism 8 is closed, the single closing sheet 10 stretches out under the action of the compression spring 12 in a natural state, and under the action of the opposite single closing sheet 10, the top of two monomer closure pieces 10 is inconsistent, the closure effect has been played, and when the corresponding position that removes of sliding block 5, corresponding monomer closure piece 10 is opened, mainly the locating piece is contradicted with guide block 15 earlier, under the effect that guide block 15 contradicted, make monomer closure piece 10 to the internal contraction, then open two closed monomer closure pieces 10, then the registration arm enters into the centre gripping mouth that the monomer closure piece 10 of opening formed, other monomer closure pieces 10 that do not have the conflict effect between the registration arm are closed under compression spring 12's effect.
The sliding block driving mechanism 17 comprises a screw rod 19 arranged in a groove plate 1, a sliding block 20 sliding along the screw rod 19 is arranged on the screw rod 19, the sliding block 20 is fixed with a sliding block 5 through a screw, a servo motor in transmission connection with the shaft end part of the screw rod 19 is arranged in the groove plate 1, the coal mining machine cable protection device is provided with a specific sliding block 5 driving mechanism to drive the sliding block 5 to move, and further the synchronous driving sliding block 5 is moved to change the position of a cable main line, so that the cable main line cannot be dragged when the coal mining machine is displaced, the screw rod 19 is driven to rotate mainly through the servo motor, and further the synchronous movement of the sliding block 5 and the coal mining machine is realized.
The sliding block driving mechanism 17 and the coal mining machine perform synchronous movement work.
The protection mechanism 18 comprises a protection shield 22 arranged at the upper end of the cable positioning pipe 6 and used for covering the local monomer closing sheets 10, the protection shield 22 is used for protecting, two closed monomer closing sheets 10 are opened to form an opening to be covered, coal slag is prevented from entering the groove plate 1 through the opening when the monomer closing sheets 10 are opened to form the opening, the dragging force of a cable main line is increased when the cable main line is dragged, and the cable main body is easy to break.
Be equipped with the self-cleaning mechanism 23 that is used for cleaning closed lid door 11 surface on the protection sunshade 22, self-cleaning mechanism 23 is including setting up the cleaning brush dish 24 at both ends around protection sunshade 22, be connected through synchronous drive mechanism 25 transmission between cleaning brush dish 24 and the sliding block 5, this kind of coal-winning machine cable protection device is equipped with the self-cleaning mechanism 23 that is used for cleaning closed lid door surface on protection sunshade 22, utilize self-cleaning mechanism 23 to come to clean the cinder that falls into the closed lid door 11 surface that is formed by a plurality of monomer closure pieces 10, avoid falling into the cinder that falls into closed lid door 11 surface when monomer closure piece 10 is opened and is formed the opening and enter into frid 1 through the opening for increase the power of dragging of cable thread when dragging the cable thread, cause the cable main part fracture easily.
The synchronous transmission mechanism 25 comprises a rotating pipe 26 sleeved outside the cable positioning pipe 6, the upper end and the lower end of the rotating pipe 26 are respectively provided with a first gear ring 27 and a second gear ring 28, the inner wall of the groove plate 1 is provided with a rack 29 engaged with the second gear ring 28 for transmission, the shaft end of the cleaning brush disc 24 is provided with a transmission gear 30 engaged with the first gear ring 27 for transmission, the sliding block 5 is provided with a protective pipe 31 positioned on the periphery of the rotating pipe 26 for covering the rotating pipe 26, and the protective pipe 31 extends out of the through groove 33, the cleaning brush disc 24 and the sliding block 5 in the coal mining machine cable protection device are in transmission connection through the synchronous transmission mechanism 25, the synchronous transmission mechanism 25 is provided for synchronous transmission of the cleaning brush disc 24 and the cleaning brush disc 5, mainly when the sliding block 5 moves, the second gear ring 28 at the lower end of the rotating pipe 26 is engaged with the rack 29, along with the movement of the sliding block 5, the rotating pipe 26 is driven to synchronously rotate, the first gear ring 27 at the upper end of the rotating pipe 26 is meshed with the transmission gear 30 on the cleaning brush disc 24, and the cleaning brush disc 24 is driven to synchronously rotate so as to clean the cinder falling onto the closing cover door 11.
The outer side of each guide block 15 is provided with a guide slope 32, so that the cable positioning tube 6 is in contact with the guide block 15, and under the action of the guide slope 32, the guide block 15 is retracted inwards to drive the single closing piece 10 to retract, and the two single closing pieces 10 are opened.
The top end of the cable positioning pipe 6 is provided with a wire positioning hoop member 35, and the cable is fixed with the cable positioning pipe 6 through the wire positioning hoop member 35.
The end of the single closing sheet 10 is provided with a rubber sealing layer 34.
The cable main body is laid on the groove plate 1 to be long enough, when the coal mining machine travels up and down and drags back and forth, the sliding block 5 drives the sliding block 20 synchronously driven by the mechanism to move so as to change the position of the cable main line, so that the cable main line can not be dragged when the coal mining machine shifts. Only the cable main line accommodated in the groove plate 1 is synchronously bent along with the movement of the sliding block, and the phenomenon of dragging does not occur.
The working principle is as follows: the cable main line integrated with various lines is placed in a U-shaped groove 2 in a groove plate 1, one end of the cable main line extends out of a cable positioning pipe 6, the cable main line and a cable position location pipe are fixed, the cable main body is laid on the groove plate 1 to a sufficient length, when a coal mining machine walks up and down and drags back and forth, a sliding block 5 drives a synchronous driving sliding block 20 of a mechanism to move, the position of the cable main line is changed, the cable main line cannot be dragged when the coal mining machine shifts, the cable main line is laid on the groove plate 1 to a sufficient length, and the cable body inside the groove plate 1 is only bent and folded correspondingly, so that the dragging phenomenon cannot occur. Wherein the top of the trough plate 1 is provided with a cover plate 7 to prevent solid matters such as cinder from entering the trough plate 1 in the coal mining process, the cinder is prevented from scratching a cable main line, the cinder is also prevented from being clamped into the trough plate 1, the dragging force of the cable main line is increased when the cable main line is dragged, and the cable main body is easy to break, wherein the cover plate 7 is provided with an automatic closing mechanism 8 for covering the through groove 33, the automatic closing mechanism can be automatically opened and closed mainly when the sliding block 5 moves to change the position of the cable main line, so that the cinder is prevented from falling into the trough plate 1, when the automatic closing mechanism 8 is closed, under the action of the compression spring 12, the single closing pieces 10 extend out, and under the action of the opposite single closing pieces 10, the tops of the two single closing pieces 10 are mutually abutted to play a closing role, and when the sliding block 5 moves to a corresponding position, the corresponding monomer closing sheet 10 is opened, mainly the locating piece is firstly abutted against the guide block 15, under the action of the abutment of the guide block 15, the monomer closing sheet 10 is contracted inwards, then the two closed monomer closing sheets 10 are opened, then the locating pipe enters a clamping port formed by the opened monomer closing sheets 10, and other monomer closing sheets 10 which do not have the abutting action with the locating pipe are closed under the action of the compression spring 12.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a coal-winning machine cable protection device which characterized in that: comprises a groove plate (1) with a U-shaped groove (2), wherein a plurality of convex strips (3) are arranged on the upper side of the inner wall of the groove plate (1), a sliding cavity (4) is formed between the convex strips (3), a sliding block (5) is arranged in the sliding cavity (4), a cable positioning pipe (6) which is vertically upward is arranged on the sliding block (5), a cover plate (7) is fixed at the top of the groove plate (1), a through groove (33) which extends out of the top end of the cable positioning pipe (6) is arranged on the cover plate (7), an automatic closing mechanism (8) which is used for covering the through groove (33) is arranged on the cover plate (7), the automatic closing mechanism (8) comprises a containing cavity (9) which is arranged on the cover plate (7) and transversely opposite to the through groove (33), a plurality of monomer closing sheets (10) which slide along the containing cavity (9) are embedded in the containing cavity (9), and the plurality of monomer closing sheets (10) are combined to form a closed cover door (11), a compression spring (12) is arranged between the inner end part of each single closing piece (10) and the containing cavity (9), an opening mechanism (13) for opening the single closing piece (10) is arranged on each single closing piece (10), the opening mechanism (13) comprises positioning rods (14) arranged on two sides of the bottom of each single closing piece (10), a guide block (15) is arranged at the front end of each positioning rod (14), the front end of each guide block (15) extends out of the end part of each single closing piece (10), a sliding block driving mechanism (17) is arranged in the groove plate (1), a protection mechanism (18) is arranged at the top end of the cable positioning pipe (6), each protection mechanism (18) comprises a protection shield plate (22) arranged on the cable positioning pipe (6) and covering the upper end of the single closing pieces (10), and an automatic cleaning mechanism (23) for cleaning the surface of the closing cover door (11) is arranged on each protection shield plate (22), the automatic cleaning mechanism (23) comprises cleaning brush discs (24) arranged at the front end and the rear end of the protective shielding plate (22), and the cleaning brush discs (24) are in transmission connection with the sliding block (5) through a synchronous transmission mechanism (25).
2. The cable protection device for the coal mining machine according to claim 1, characterized in that the sliding block driving mechanism (17) comprises a screw rod (19) arranged in the groove plate (1), a sliding block (20) sliding along the screw rod (19) is arranged on the screw rod (19), the sliding block (20) is fixed with the sliding block (5) through a screw, and a servo motor in transmission connection with the shaft end part of the screw rod (19) is arranged in the groove plate (1).
3. Shearer cable protection device according to claim 1, characterized in that the sliding block drive mechanism (17) is in synchronous movement with the shearer.
4. The cable protection device for the coal mining machine according to claim 1, wherein the synchronous transmission mechanism (25) comprises a rotating pipe (26) sleeved outside the cable positioning pipe (6), the upper end and the lower end of the rotating pipe (26) are respectively provided with a first gear ring (27) and a second gear ring (28), the inner wall of the groove plate (1) is provided with a rack (29) in meshing transmission with the second gear ring (28), the shaft end of the cleaning brush disc (24) is provided with a transmission gear (30) in meshing transmission with the first gear ring (27), the sliding block (5) is provided with a protective pipe (31) on the periphery of the rotating pipe (26) for covering the rotating pipe (26), and the protective pipe (31) extends out of the through groove (33).
5. Shearer cable protection according to claim 1, characterized in that the outside of each guide block (15) is provided with a guide ramp (32).
6. The cable protection device for the coal mining machine according to claim 1, characterized in that a wire positioning hoop member (35) is arranged at the top end of the cable positioning tube (6), and the cable is fixed with the cable positioning tube (6) through the wire positioning hoop member (35).
7. The shearer cable protection device according to claim 1, wherein the ends of the single closing sheet (10) are provided with a rubber sealing layer (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011238954.8A CN112490962B (en) | 2020-11-09 | 2020-11-09 | Coal-winning machine cable protection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011238954.8A CN112490962B (en) | 2020-11-09 | 2020-11-09 | Coal-winning machine cable protection device |
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| Publication Number | Publication Date |
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| CN112490962A CN112490962A (en) | 2021-03-12 |
| CN112490962B true CN112490962B (en) | 2022-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011238954.8A Active CN112490962B (en) | 2020-11-09 | 2020-11-09 | Coal-winning machine cable protection device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114465182A (en) * | 2022-02-14 | 2022-05-10 | 张凌燕 | Intelligent coal-winning machine cable protector |
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| CN203166421U (en) * | 2013-03-27 | 2013-08-28 | 神华集团有限责任公司 | Cable protection device and continuous transportation equipment |
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| CN209233434U (en) * | 2019-02-27 | 2019-08-09 | 尹仟 | A kind of automatic cable handler |
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