CN118054361A - Automatic towing device of extremely thin seam coal mining machine - Google Patents
Automatic towing device of extremely thin seam coal mining machine Download PDFInfo
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- CN118054361A CN118054361A CN202410455000.4A CN202410455000A CN118054361A CN 118054361 A CN118054361 A CN 118054361A CN 202410455000 A CN202410455000 A CN 202410455000A CN 118054361 A CN118054361 A CN 118054361A
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- 239000003245 coal Substances 0.000 title abstract description 29
- 238000005065 mining Methods 0.000 title abstract description 26
- 230000005540 biological transmission Effects 0.000 claims abstract description 26
- 230000000149 penetrating effect Effects 0.000 claims abstract description 13
- 238000004804 winding Methods 0.000 claims abstract description 11
- 238000005096 rolling process Methods 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 23
- 239000010883 coal ash Substances 0.000 claims description 11
- 230000001105 regulatory effect Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 abstract description 14
- 230000008569 process Effects 0.000 abstract description 8
- 238000012544 monitoring process Methods 0.000 abstract description 5
- 230000001939 inductive effect Effects 0.000 abstract description 3
- 238000004140 cleaning Methods 0.000 description 8
- 239000004071 soot Substances 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000003344 environmental pollutant Substances 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 239000002956 ash Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Abstract
The invention discloses an automatic towing device of an ultra-thin seam coal mining machine, and relates to the technical field of cable dragging of coal mining equipment. This automatic towing winch of extremely thin seam coal-winning machine, including the box, wear to establish cable in the box, sliding connection be used for supporting pulley and be used for driving the cable rolling, unreel driving motor on the cable, be provided with on the box and be used for making the cable keep unsettled adjusting part, include in the adjusting part: the rotation shaft is fixed on the driving motor and is used for transmission, the rotation sleeve used for winding the cable is arranged on the rotation shaft in a penetrating manner, so that the condition that the cable is pulled on the ground to cause the damage of an external insulating layer to cause electric faults can not occur in the winding or paying-off process of the cable, meanwhile, the tensioning state of the cable does not need to be monitored through the inductive switch and the signal wire, and the condition that the cable is pulled and broken due to failure in monitoring is avoided.
Description
Technical Field
The invention relates to the technical field of cable dragging of coal mining equipment, in particular to an automatic towing device of an ultra-thin seam coal mining machine.
Background
The coal mining machine is a main device for coal mining operation of people, a towed cable is used as a main power supply cable of the coal mining machine to supply power to each working system of the coal mining machine, when the conventional cable towing device is used, in order to avoid towing the cable on the ground, tension is usually applied to the cable to enable the cable to be in a tensioning suspension state, in order to avoid breakage of the cable caused by overlarge tension, electronic signals are generally adopted to monitor the tension applied to the cable, the electronic signals are used for adjusting the tension applied to the cable, a large amount of coal ash is filled in the working environment of the coal mining machine, the coal ash is easily attached to joints of signal wires to cause poor contact, so that abnormal monitoring results appear, meanwhile, as the coal mining operation is carried out by the coal mining machine, a large amount of coal ash is easily attached to an insulation protection cover outside the cable, the accumulated coal ash and dirt for a long time can influence the insulation performance of the cable, and the risk of electrical faults is increased;
For example, a thin seam coal mining machine towing device with the publication number of CN206727612U is disclosed, and the application has the problems that the tension on a cable is monitored through a contact and an inductive switch, and coal ash is easily attached to the joint of a signal wire to cause poor contact, so that the monitoring result is abnormal;
therefore, an automatic towing device of an ultra-thin seam coal mining machine is provided.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an automatic towing device of an ultra-thin coal seam coal mining machine, which solves the problems that when the traditional cable towing device is used, the coal ash is easy to attach to the joint of a signal wire to cause poor contact, so that the monitoring result is abnormal, meanwhile, a large amount of coal ash is easy to attach to an insulation protection cover outside a cable along with coal mining operation of the coal mining machine, the insulation performance of the cable can be influenced by accumulated coal ash and dirt for a long time, and the risk of electric faults is increased.
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides an automatic towing winch of extremely thin seam coal-winning machine, includes the box, wears to establish cable in the box, sliding connection are used for supporting pulley and be used for driving the cable rolling, unreel driving motor on the cable, be provided with on the box and be used for making the cable keep unsettled adjusting part, include in the adjusting part:
The rotating shaft is fixed on the driving motor and used for transmission, a rotating sleeve used for winding the cable is arranged on the rotating shaft in a penetrating mode, and a baffle used for limiting the cable is fixed on the rotating sleeve;
The power sliding plate is fixed on the rotating sleeve and used for adjusting the tension force of the cable, the power sliding plate is abutted to the driven sliding plate, a sliding rod is fixed on the driven sliding plate, a supporting plate is arranged outside the sliding rod in a penetrating mode, and one end of the supporting plate is fixed on the box body;
The adjusting piston is fixed at one end of the sliding rod and used for adjusting tension force of the cable, the adjusting piston is connected with a sliding sleeve in a sealing mode, a reset spring is fixed between the sliding sleeve and the adjusting piston, an air vent is formed in the sliding sleeve, and the sliding sleeve is fixed on the supporting plate.
Preferably, an adjusting spring is fixed between the rotating shaft and the rotating sleeve, a hairbrush is fixed on the box body, the cable passes through the hairbrush, a support plate is connected to the pulley, a sliding seat is fixed on the support plate, a sliding rail is fixed outside the box body, the sliding seat is sleeved on the sliding rail, and a buffer spring is fixed between the sliding seat and the sliding rail.
Preferably, a power rod is fixed on the driven sliding plate, an auxiliary piston is fixed at one end of the power rod, a sealing sleeve is connected to the auxiliary piston in an external sealing mode, the sealing sleeve is fixed on the supporting plate, and an air inlet valve is fixed on the sealing sleeve.
Preferably, the bottom of seal cover is connected with the gasbag through air outlet valve, gas-supply pipe, tee bend, the gasbag is fixed in the backup pad, be connected with the regulating block on the gasbag, wear to be equipped with the guide ring in the regulating block.
Preferably, one end of the guide ring is fixed outside the sliding sleeve, the adjusting block is in sliding butt joint with the sliding sleeve, and an air bag air outlet valve is fixed on the air bag.
Preferably, the cleaning assembly for cleaning the soot attached to the surface of the cable is further arranged in the box body, the cleaning assembly comprises a power bevel gear, the power bevel gear is fixed on a rotating shaft, a transmission bevel gear is meshed with the power bevel gear, a transmission rod is fixed on the transmission bevel gear, a driven bevel gear is meshed with the transmission bevel gear, a driven rod is fixed on the driven bevel gear, and a gear is fixed at one end of the driven rod.
Preferably, the gear is a half gear, a rack is meshed with the gear, a limiting rod is arranged in the rack in a penetrating mode, the limiting rod is fixed in the box, and the rack penetrates out of the box.
Preferably, the rack is magnetically attracted and connected with a magnet, a fixed rod is fixed on the magnet, a guide rod is arranged in the fixed rod in a penetrating way, the guide rod is fixed in the box body, a movable rod I is movably arranged on the fixed rod, and a fixed sleeve is movably arranged outside the movable rod I.
Preferably, the fixed sleeve is sleeved with a guide sleeve, the guide sleeve is movably provided with a movable rod II, one end of the movable rod II is movably provided with a brush ring, the brush ring is sleeved outside the cable, an I-shaped rod is arranged in the brush ring in a penetrating manner, one end of the I-shaped rod is provided with a limiting plate in a penetrating manner, and the limiting plate is fixed in the box body.
The invention provides an automatic towing device of an extremely thin seam coal mining machine. Compared with the prior art, the method has the following beneficial effects:
(1) This automatic towing winch of extremely thin seam coal-winning machine, through setting up the box, the cable, the pulley, the extension board, the slide rail, buffer spring, the brush, driving motor, the axis of rotation, rotating sleeve, regulating spring, the baffle, when the coal-winning machine advances and carries out coal mining operation and advance, make the cable to pay out from rotating sleeve according to the distance of advancing of coal-winning machine through driving motor reversal, when the coal-winning machine withdraws from the mine tunnel, driving motor drives the axis of rotation corotation, the drive rotates the cover and drives the cable and coil on rotating sleeve, provide holding power for the cable through the pulley, make the cable can lift from subaerial, avoid the cable to drag on subaerial and lead to the damaged condition that appears of external insulating layer electric fault, simultaneously install an electric putter on the extension board, make when rolling the cable on rotating sleeve, electric putter can drive the extension board, the slide moves along the slide rail, make the cable after the rolling can evenly arrange on rotating sleeve, simultaneously through brush ash and other pollutants attached to the cable surface, avoid these long-time accumulated coal ash and dirt to influence the insulating properties of cable, thereby reduce the risk of electric fault.
(2) This automatic towing winch of extremely thin coal seam coal-winning machine through setting up power slide, driven slide, the slide bar, adjust the piston, reset spring, the slip cap, the air vent, the backup pad, when the cable is from rotating to overlap to emit or to rotating the epaxial rolling, it moves to rotate the synchronous power slide that drives of cover, make the adjustment piston can remove in the slip cap, make the air in the slip cap follow the air vent department that sets up on the slip cap under the drive of adjusting the piston and discharge, make the cable in the rolling or the in-process of letting out, be in the tight state all the time, the condition that the cable can not appear dragging on ground and lead to outside insulating layer damage and appear electric fault, increase the life of cable, need not monitor the tensile state of cable through inductive switch simultaneously, signal line, avoid the signal to weaken or signal line junction is covered by the coal ash and contact failure, lead to the condition emergence that the cable is pulled to break to the monitoring failure.
(3) This automatic towing winch of extremely thin coal seam coal-winning machine, through setting up the power pole, auxiliary piston, the seal cover, the admission valve, the tee bend, the gas-supply pipe, the gasbag, the regulating block, the guide ring, along with the release of cable, driven slide constantly removes, the in-process that resets, the gasbag can extrude the regulating block and remove, sliding fit between regulating block and the guide ring, make the regulating block only can remove along the guide ring under the extrusion of gasbag, the air vent constantly reduces under the shielding of regulating block, the resistance when making the air discharge increases along with the unreeling time of cable, make the cable be in the tight state throughout at the in-process of rolling or releasing, the cable can not appear dragging on ground and lead to the damaged condition that appears electrical failure of outside insulating layer, increase the life of cable, simultaneously can carry out self-adaptation to the resistance of air discharge according to the length of releasing of cable, thereby adapt to the gravity of cable after the length.
(4) According to the automatic towing device for the ultra-thin coal seam mining machine, the power bevel gear, the transmission rod, the driven bevel gear, the driven rod, the gear, the rack, the limiting rod, the magnet, the fixed rod, the guide rod, the movable rod I, the fixed sleeve, the guide sleeve, the movable rod II, the brush ring, the I-shaped rod and the limiting plate are arranged, the rotating shaft rotates to wind a cable, the rotating shaft synchronously drives the power bevel gear to rotate, so that the brush ring is driven to overturn in a small range by taking the cable as an axis, soot and other pollutants attached to the outside of the cable are brushed, the insulating performance of the cable is prevented from being influenced by the soot and the dirt accumulated for a long time, the risk of electrical faults is reduced, meanwhile, the I-shaped rod and the limiting plate are in sliding fit, the magnet and the rack are in magnetic attraction connection, the magnet and the rack can slide, and the brush ring can be adaptively adjusted along with the change of the position of the cable in the winding process.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a partial block diagram of a cleaning assembly of the present invention;
FIG. 3 is a block diagram of a power skateboard of the present invention;
FIG. 4 is a block diagram of a cleaning assembly of the present invention;
FIG. 5 is an enlarged view of the invention at A in FIG. 4;
FIG. 6 is a cross-sectional view of the structure of the case of the present invention;
FIG. 7 is a schematic exploded view in cross-section of the swivel sleeve of the present invention;
FIG. 8 is a schematic view showing an exploded state of the sliding sleeve according to the present invention;
FIG. 9 is a block diagram of an adjustment assembly of the present invention;
Figure 10 is a cross-sectional view of the seal cartridge of the present invention;
FIG. 11 is a schematic view showing the assembly state of the guide sleeve of the present invention;
Fig. 12 is a schematic view showing an exploded state of the guide sleeve of the present invention.
In the figure: 1. a case; 11. a cable; 12. a pulley; 13. a support plate; 14. a slide; 15. a slide rail; 16. a buffer spring; 17. a brush; 2. a driving motor; 21. a rotating shaft; 22. a rotating sleeve; 23. an adjusting spring; 24. a baffle; 25. a power skateboard; 26. a driven slide plate; 27. a slide bar; 28. an adjusting piston; 29. a return spring; 210. a sliding sleeve; 211. a vent hole; 212. a support plate; 3. a power lever; 31. an auxiliary piston; 32. sealing sleeve; 33. an intake valve; 34. a tee joint; 35. a gas pipe; 36. an air bag; 37. an adjusting block; 38. a guide ring; 4. a power bevel gear; 41. a transmission bevel gear; 42. a transmission rod; 43. a driven bevel gear; 44. a driven rod; 45. a gear; 46. a rack; 47. a limit rod; 48. a magnet; 49. a fixed rod; 410. a guide rod; 411. a movable rod I; 412. a fixed sleeve; 413. a guide sleeve; 414. a second movable rod; 415. a brush ring; 416. an I-shaped rod; 417. and a limiting plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-12, the present invention provides the following technical solutions:
Embodiment one: an automatic towing device of an ultra-thin coal seam mining machine comprises a box body 1, a cable 11 penetrating through the box body 1, a pulley 12 which is connected onto the cable 11 in a sliding manner and used for supporting, and a driving motor 2 used for driving the cable 11 to roll and unreel, wherein the driving motor 2 is fixedly arranged on the side wall of the box body 1 through a motor seat, one end of a rotating shaft 21 is fixedly arranged at the output end of the driving motor 2 through a coupler and used for transmission, a rotating sleeve 22 used for winding the cable 11 is arranged on the rotating shaft 21 in a sliding manner, two baffle plates 24 used for limiting the cable 11 are symmetrically and fixedly arranged on the rotating sleeve 22, one end of the rotating shaft 21 is fixedly connected with one end of an adjusting spring 23, and the other end of the adjusting spring 23 is fixedly arranged on the inner wall of the rotating sleeve 22;
An inlet and an outlet are formed in the box body 1, an upper brush 17 and a lower brush 17 are fixedly mounted on the inner wall of the inlet and outlet, a cable 11 passes through the brushes 17, a pulley 12 is fixedly mounted on the side wall of a support plate 13 through a support, one end of the support plate 13 is fixedly mounted on the side wall of a sliding seat 14, a sliding rail 15 is fixedly mounted on the outer wall of the box body 1, the sliding seat 14 is slidably sleeved on the sliding rail 15, the side wall of the sliding seat 14 is fixedly connected with one end of a buffer spring 16, and the inner wall of one side of the sliding rail 15 is fixedly connected with one end of the buffer spring 16.
When the cable 11 is used, one end of the cable 11 is fixed on the baffle 24, then the driving motor 2 is started to drive the rotating shaft 21 to rotate, and the rotating shaft 21 drives the rotating sleeve 22 to rotate, so that the cable 11 can be wound on the rotating sleeve 22, and the cable 11 is blocked through the baffle 24;
when the coal mining machine advances to carry out coal mining operation, the cable 11 can be paid out from the rotating sleeve 22 according to the advancing distance of the coal mining machine by reversing the driving motor 2;
When the coal mining machine exits from the mine tunnel, the driving motor 2 drives the rotating shaft 21 to rotate positively, the rotating shaft 21 drives the rotating sleeve 22 to rotate, the rotating sleeve 22 drives the cable 11 to wind on the rotating sleeve 22, the supporting plate 13 provides supporting force for the pulley 12, the sliding seat 14 provides supporting force for the supporting plate 13, the sliding rail 15 provides supporting force for the sliding seat 14, the buffer spring 16 provides elastic force for the sliding seat 14, and the pulley 12 provides supporting force for the cable 11, so that the cable 11 can be lifted from the ground;
The electric push rod can be further arranged on the support plate 13, so that when the cable 11 is wound on the rotating sleeve 22, the electric push rod can drive the support plate 13 and the sliding seat 14 to move back and forth along the sliding rail 15, so that the cable 11 which is wound can move back and forth within the range of the rotating sleeve 22, and accordingly the electric push rod is uniformly arranged on the rotating sleeve 22, meanwhile, soot and other pollutants attached to the surface of the cable 11 are brushed off through the hairbrush 17, and meanwhile, the rotating sleeve 22 is provided with elastic force through the adjusting spring 23, so that the rotating sleeve 22 can move along the small range of the rotating shaft 21, and the cable 11 can enter the box 1 in a proper position, so that the winding of the cable 11 is more uniform.
In the second embodiment, the technical solution of the present embodiment different from the first embodiment includes: the box 1 is provided with an adjusting component for keeping the cable 11 suspended, and the adjusting component comprises: the power slide plate 25, the driven slide plate 26, the sliding rod 27, the adjusting piston 28, the reset spring 29, the sliding sleeve 210, the vent holes 211 and the supporting plate 212, wherein the side wall of the power slide plate 25 is fixedly arranged at one end of the rotating sleeve 22 and used for adjusting the tension force of the cable 11, one end of the rotating sleeve 22 slides out of the box body 1, the power slide plate 25 is in a zigzag shape, the driven slide plate 26 which is also in the zigzag shape is abutted to the power slide plate 25, two sliding rods 27 are fixedly arranged on the side wall of the driven slide plate 26, one ends of the two sliding rods 27 slide out of the supporting plate 212, and one end of the supporting plate 212 is fixedly arranged on the side wall of the box body 1;
The lateral walls of the two adjusting pistons 28 are respectively and fixedly arranged at one ends of the two sliding rods 27 and used for adjusting the tension force of the cable 11, the lateral walls of the two adjusting pistons 28 are respectively and tightly abutted against one sliding sleeve 210, the number of the two groups of the restoring springs 29 is two, the two groups of the restoring springs 29 are respectively positioned in the two sliding sleeves 210, the two groups of the restoring springs 29 are respectively, the inner wall of the sliding sleeve 210 is fixedly connected with one end of one restoring spring 29, the other end of the restoring spring 29 is fixedly connected with the lateral wall of the adjusting piston 28, one end of the other restoring spring 29 is fixedly arranged on the other side of the adjusting piston 28, the other end of the restoring spring 29 is fixedly arranged on the lateral wall of the supporting plate 212, vent holes 211 are respectively formed in the two sliding sleeves 210, and one ends of the two sliding sleeves 210 are fixedly arranged on the supporting plate 212.
When the cable 11 is released from the rotating sleeve 22 or wound on the rotating sleeve 22, the rotating sleeve 22 synchronously drives the power slide plate 25 to move, the power slide plate 25 extrudes the driven slide plate 26 to move, the driven slide plate 26 drives the sliding rod 27 to move, the sliding rod 27 is in sliding fit with the supporting plate 212, the sliding rod 27 can only move along the supporting plate 212 under the driving of the driven slide plate 26, the sliding rod 27 drives the adjusting piston 28 to move, the adjusting piston 28 is in sealing sliding connection with the sliding sleeve 210, the adjusting piston 28 can move in the sliding sleeve 210, and air in the sliding sleeve 210 is discharged from the vent hole 211 formed in the sliding sleeve 210 under the driving of the adjusting piston 28;
The vent hole 211 is formed from the inside of the sliding sleeve 210 to the outside of the sliding sleeve 210, so that the air in the sliding sleeve 210 has resistance when being discharged, meanwhile, the two return springs 29 provide elastic force or tensile force for the adjusting piston 28, so that the adjusting piston 28 can return to the initial position, and the force exerted by the return springs 29 on the adjusting piston 28 and the resistance of the air when being discharged can be converted into the resistance of the driven sliding plate 26 to the power sliding plate 25, so that the power sliding plate 25 cannot easily press the driven sliding plate 26, and the cable 11 is always in a tight state in the winding or paying-out process.
In the third embodiment, the technical solution of the present embodiment different from the second embodiment includes: the adjusting part is provided with the enhancement subassembly outward, includes in the enhancement subassembly: the air inlet valve comprises a power rod 3, an auxiliary piston 31, a sealing sleeve 32, an air inlet valve 33, a tee joint 34, an air pipe 35, an air bag 36, an adjusting block 37 and a guide ring 38, wherein the power rod 3 is fixedly arranged on the side wall of a driven sliding plate 26, one end of the power rod 3 is fixedly provided with the auxiliary piston 31, the side wall of the auxiliary piston 31 is in sealing sliding connection with the sealing sleeve 32, the side wall of the sealing sleeve 32 is fixedly arranged at the top of a supporting plate 212, the top of the sealing sleeve 32 is fixedly provided with the air inlet valve 33, the bottom of the sealing sleeve 32 is fixedly provided with an air outlet valve, the number of the air outlet valve is three, the air outlet valve is fixedly connected with one end of one air pipe 35, the other end of the air pipe 35 is fixedly connected with one end of the tee joint 34, one end of the air pipe 35 is fixedly arranged on one end of the tee joint 34, the other end of the other air pipe 35 is fixedly arranged on the air inlet port of one air bag 36, one end of the other air pipe 35 is fixedly arranged on one end of the tee joint 34, one end of the air pipe 35 is fixedly arranged on the last end of the air pipe 36, the other end of the air pipe 35 is fixedly arranged on the air inlet of the air pipe 36, the other end of the air pipe 35 is fixedly arranged on the end of the last end of the supporting plate 34, the other end of the air pipe 36 is fixedly arranged on the other end of the air pipe 36, the side wall is fixedly arranged on the side wall of the supporting plate 36, the air pipe 36 is fixedly connected with the air inlet valve 37, the air inlet valve is fixedly connected with the guide ring, the air valve 37, the air inlet valve is fixedly arranged on the air valve, one end of the air pipe 37 is in sliding sleeve and the air pipe is fixedly connected with the air valve, one end of the air valve and the guide sleeve and the air valve is in the air valve and is in one and one side;
the number of the air bags 36, the adjusting blocks 37, the guide rings 38 and the air bag air outlet valves is two, the two groups of the air bags 36, the adjusting blocks 37, the guide rings 38 and the air bag air outlet valves are correspondingly arranged at the two sliding sleeves 210, and the four air bags 36, the four adjusting blocks 37, the two guide rings 38 and the air bag air outlet valves are one group.
When the electric cable 11 is used, along with the paying-out of the electric cable 11, in the process of continuously moving and resetting the driven slide plate 26, the driven slide plate 26 synchronously drives the power rod 3 to move, the power rod 3 drives the auxiliary piston 31 to move, and the auxiliary piston 31 moves in the sealing sleeve 32, so that the air pressure in the sealing sleeve 32 is changed;
When the auxiliary piston 31 moves to the side close to the power slide plate 25, air outside the sealing sleeve 32 enters the sealing sleeve 32 through the air inlet valve 33, and then when the auxiliary piston 31 moves to the side far from the power slide plate 25, the air inside the sealing sleeve 32 enters the air bag 36 through the air outlet valve, the tee joint 34 and the air pipe 35, so that the air bag 36 is inflated;
the air bag 36 extrudes the adjusting block 37 to move, and the adjusting block 37 is in sliding fit with the guide ring 38, so that the adjusting block 37 can only move along the guide ring 38 under the extrusion of the air bag 36, the ventilation holes 211 are continuously reduced under the shielding of the adjusting block 37, and the resistance of air discharge is increased along with the unreeling length of the cable 11;
When the cable 11 is wound, the air outlet valve is closed, the air inlet valve 33 is normally open, and the air outlet valve of the air bag is normally open, so that the air bag 36 continuously collapses under the action of external air pressure until the state shown in fig. 10 is restored, and the cable 11 is always in a tight state in the winding or paying-out process.
In the fourth embodiment, the technical solution of the present embodiment different from the third embodiment includes: the cleaning assembly for cleaning the soot attached to the surface of the cable 11 is further arranged in the box body 1, the cleaning assembly comprises a power bevel gear 4, a transmission bevel gear 41, a transmission rod 42, a driven bevel gear 43, a driven rod 44, a gear 45, a rack 46, a limit rod 47, a magnet 48, a fixed rod 49, a guide rod 410, a movable rod I411, a fixed sleeve 412, a guide sleeve 413, a movable rod II 414, a brush ring 415, an I-shaped rod 416 and a limit plate 417, the power bevel gear 4 is fixedly sleeved on the side wall of the rotating shaft 21, the power bevel gear 4 is in meshed connection with one transmission bevel gear 41, the transmission bevel gears 41 are in two numbers, the two transmission bevel gears 41 are fixedly connected through the transmission rod 42, the other transmission bevel gear 41 is in meshed connection with one driven bevel gear 43, one end of the driven bevel gear 44 is fixedly arranged on the side wall of the driven bevel gear 43, one end of the driven rod 44 is fixedly provided with one gear 45, the driven rod 44 and the transmission rod 42 are respectively movably arranged in the first mounting plate and the second mounting plate through bearings, one end of the mounting plate I and the two ends of the mounting plate are fixedly arranged on the side wall of the box body 1, the gear 45 is fixedly arranged on the other end of the side wall of the flexible box body 1, one end of the gear 46 is in the flexible gear 46 is in a sliding connection with the flexible box body 46, and one end of the flexible gear 46 is fixedly arranged on the other end of the flexible box body 47;
The side wall of the rack 46 is magnetically connected with a magnet 48, a fixed rod 49 is fixedly arranged on the side wall of the magnet 48, a guide rod 410 is slidably arranged in the fixed rod 49 in a penetrating manner, two ends of the guide rod 410 are respectively and fixedly arranged on the inner walls of the two sides of the box body 1, a movable rod 411 is movably arranged on the side wall of the fixed rod 49 through a bearing, a fixed sleeve 412 is movably arranged outside the movable rod 411 through a bearing, a guide sleeve 413 is slidably arranged outside the fixed sleeve 412 in a sleeved manner, a movable rod two 414 is movably arranged on the side wall of the guide sleeve 413 through a bearing, one end of the movable rod two 414 is movably arranged on the side wall of the brush ring 415 through a bearing, the brush ring 415 is slidably sleeved outside the cable 11, two I-shaped rods 416 are symmetrically distributed on the upper side and the lower side of the brush ring 415, the other ends of the two I-shaped rods 416 are respectively and fixedly arranged on the inner walls of the two sides of the box body 1 in a sliding manner.
When the electric cable winding device is used, when the rotating shaft 21 rotates to wind the electric cable 11, the rotating shaft 21 synchronously drives the power bevel gears 4 to rotate, the power bevel gears 4 drive the transmission bevel gears 41 to rotate, two transmission bevel gears 41 are supported by the transmission rods 42, the other transmission bevel gear 41 drives the driven bevel gears 43 to rotate, the driven bevel gears 43 drive the driven rods 44 to rotate, the driven rods 44 drive the gears 45 to rotate, the gears 45 drive the racks 46 to move, the racks 46 are in sliding fit with the limit rods 47, the telescopic springs provide elastic force for the racks 46 to the side where the driving motor 2 is located, the racks 46 drive the magnets 48 to move, and when the racks 46 and the gears 45 are in a non-meshing state, the racks 46 return to an initial state under the action of the telescopic springs;
The magnet 48 drives the fixed rod 49 to move, the fixed rod 49 and the guide rod 410 are in sliding fit, the fixed rod 49 drives the movable rod 411 to move, the movable rod 411 drives the fixed sleeve 412 to move, the fixed sleeve 412 is in sliding fit with the guide sleeve 413, the fixed sleeve 412 can be far away from the guide sleeve 413, the guide sleeve 413 drives the movable rod II 414 to move, the brush ring 415 is in sliding fit with the I-shaped rod 416, the I-shaped rod 416 can provide supporting force for the brush ring 415, and accordingly the movable rod II 414 can drive the brush ring 415 to overturn in a small range by taking the cable 11 as an axis, and therefore soot and other pollutants attached to the outside of the cable 11 are brushed;
meanwhile, the H-shaped rod 416 is in sliding fit with the limiting plate 417, the magnet 48 is connected with the rack 46 through magnetic attraction, and the magnet 48 can slide with the rack 46, so that when the sliding seat 14 moves along the sliding rail 15 in the winding process of the cable 11, the brush ring 415 can be adjusted in a self-adaptive manner along with the change of the position of the cable 11.
And all that is not described in detail in this specification is well known to those skilled in the art.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides an automatic towing winch of extremely thin seam coal-winning machine, includes box (1), wears to establish cable (11) in box (1), sliding connection is used for pulley (12) that support on cable (11) and is used for driving cable (11) rolling, unreeling driving motor (2) on box (1) lateral wall through the motor case is fixed, its characterized in that: the box (1) is provided with an adjusting component for keeping the cable (11) suspended, and the adjusting component comprises:
the rotating shaft (21) is fixed on the driving motor (2) and used for transmission, a rotating sleeve (22) for winding the cable (11) is arranged on the rotating shaft (21) in a penetrating mode, and a baffle plate (24) for limiting the cable (11) is fixed on the rotating sleeve (22);
The power sliding plate (25) is fixed on the rotating sleeve (22) and used for adjusting the tensile force borne by the cable (11), the power sliding plate (25) is abutted to the driven sliding plate (26), a sliding rod (27) is fixed on the driven sliding plate (26), a supporting plate (212) is arranged outside the sliding rod (27) in a penetrating mode, and one end of the supporting plate (212) is fixed on the box body (1);
The adjusting piston (28) is fixed at one end of the sliding rod (27) and used for adjusting the tension force of the cable (11), the sliding sleeve (210) is connected to the adjusting piston (28) in a sealing way, a return spring (29) is fixed between the sliding sleeve (210) and the adjusting piston (28), a vent hole (211) is formed in the sliding sleeve (210), and the sliding sleeve (210) is fixed on the supporting plate (212);
Still be provided with the clearance subassembly that is used for clearing up cable (11) surface adhesion coal ash in box (1), including power bevel gear (4) in the clearance subassembly, power bevel gear (4) are fixed on axis of rotation (21), the meshing has transmission bevel gear (41) on power bevel gear (4), be fixed with transfer line (42) on transmission bevel gear (41), the meshing has driven bevel gear (43) on transmission bevel gear (41), be fixed with driven lever (44) on driven bevel gear (43), the one end of driven lever (44) is fixed with gear (45).
2. The automatic streamer device for an extremely thin seam shearer of claim 1, wherein: an adjusting spring (23) is fixed between the rotating shaft (21) and the rotating sleeve (22), a hairbrush (17) is fixed on the box body (1), the cable (11) passes through the hairbrush (17), a support plate (13) is connected to the pulley (12), a sliding seat (14) is fixed to the support plate (13), a sliding rail (15) is fixed to the box body (1) externally, the sliding seat (14) is sleeved on the sliding rail (15), and a buffer spring (16) is fixed between the sliding seat (14) and the sliding rail (15).
3. The automatic streamer device for an extremely thin seam shearer of claim 1, wherein: the automatic control device is characterized in that a power rod (3) is fixed on the driven sliding plate (26), an auxiliary piston (31) is fixed at one end of the power rod (3), a sealing sleeve (32) is connected to the outer portion of the auxiliary piston (31) in a sealing mode, the sealing sleeve (32) is fixed on the supporting plate (212), and an air inlet valve (33) is fixed on the sealing sleeve (32).
4. An automatic streamer device for an extremely thin seam shearer as in claim 3, wherein: the bottom of seal cover (32) is connected with gasbag (36) through air outlet valve, gas-supply pipe (35), tee bend (34), gasbag (36) are fixed on backup pad (212), be connected with regulating block (37) on gasbag (36), wear to be equipped with in regulating block (37) guide ring (38).
5. The automatic streamer device for an extremely thin seam shearer of claim 4, wherein: one end of the guide ring (38) is fixed outside the sliding sleeve (210), the adjusting block (37) is in sliding contact with the sliding sleeve (210), and an air bag air outlet valve is fixed on the air bag (36).
6. The automatic streamer device for an extremely thin seam shearer of claim 1, wherein: the gear (45) is a half gear, a rack (46) is meshed on the gear (45), a limiting rod (47) is arranged in the rack (46) in a penetrating mode, the limiting rod (47) is fixed in the box body (1), and the rack (46) penetrates out of the box body (1) to be arranged.
7. The automatic streamer device for an extremely thin seam shearer of claim 6, wherein: the novel movable rack is characterized in that a magnet (48) is magnetically connected to the rack (46), a fixed rod (49) is fixed to the magnet (48), a guide rod (410) is arranged in the fixed rod (49) in a penetrating mode, the guide rod (410) is fixed to the inside of the box body (1), a movable rod (411) is movably mounted on the fixed rod (49), and a fixed sleeve (412) is movably mounted outside the movable rod (411).
8. The automatic streamer device for an extremely thin seam shearer of claim 7, wherein: the utility model discloses a cable box, including fixed cover (412) overcoat, fixed cover (412) overcoat is equipped with uide bushing (413), movable mounting has movable rod two (414) on uide bushing (413), the one end movable mounting of movable rod two (414) has brush ring (415), brush ring (415) cover is established outside cable (11), wear to be equipped with worker's shape pole (416) in brush ring (415), limiting plate (417) are worn to be equipped with in the one end of worker's shape pole (416), limiting plate (417) are fixed in box (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410455000.4A CN118054361A (en) | 2024-04-16 | 2024-04-16 | Automatic towing device of extremely thin seam coal mining machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410455000.4A CN118054361A (en) | 2024-04-16 | 2024-04-16 | Automatic towing device of extremely thin seam coal mining machine |
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| CN118054361A true CN118054361A (en) | 2024-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410455000.4A Pending CN118054361A (en) | 2024-04-16 | 2024-04-16 | Automatic towing device of extremely thin seam coal mining machine |
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| EP1095894A1 (en) * | 1999-10-26 | 2001-05-02 | CANDY S.p.A. | A cable winding device |
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