CN109436676B - Open type cylindrical guiding rack and mine scraper conveyor crossheading - Google Patents
Open type cylindrical guiding rack and mine scraper conveyor crossheading Download PDFInfo
- Publication number
- CN109436676B CN109436676B CN201811505143.2A CN201811505143A CN109436676B CN 109436676 B CN109436676 B CN 109436676B CN 201811505143 A CN201811505143 A CN 201811505143A CN 109436676 B CN109436676 B CN 109436676B
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- Prior art keywords
- guide
- coal
- mining machine
- coal mining
- pin
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- 239000003245 coal Substances 0.000 claims abstract description 85
- 238000005065 mining Methods 0.000 claims abstract description 60
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 2
- 238000007599 discharging Methods 0.000 abstract description 9
- 239000000463 material Substances 0.000 abstract description 7
- 238000005299 abrasion Methods 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G19/00—Conveyors comprising an impeller or a series of impellers carried by an endless traction element and arranged to move articles or materials over a supporting surface or underlying material, e.g. endless scraper conveyors
- B65G19/18—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G19/00—Conveyors comprising an impeller or a series of impellers carried by an endless traction element and arranged to move articles or materials over a supporting surface or underlying material, e.g. endless scraper conveyors
- B65G19/18—Details
- B65G19/28—Troughs, channels, or conduits
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Harvesting Machines For Root Crops (AREA)
Abstract
The invention discloses an open type cylindrical guide toothed rail and a mine scraper conveyor crossheading, and belongs to the technical field of mining mechanical equipment. The open type cylindrical guide toothed rail comprises a guide rail, a pin row, mounting lugs and a coal cutter guide column, wherein the pin row is arranged on one side of the guide rail, the mounting lugs are arranged at the bottom of the guide rail, the coal cutter guide column is arranged on one side, deviating from the pin row, of the guide rail, the guide rail is in a strip shape, the pin row comprises a plurality of pin teeth which are arranged in a straight line along the length direction of the guide rail, and a coal discharging space is formed between two adjacent pin teeth; the pin rows are connected with the bottoms of the pin teeth at the positions opposite to the mounting lugs into a whole to form a buffer groove of the coal mining machine. The problem that the traditional semi-wrapped toothed rail is difficult to discharge materials between the engaged teeth of the travelling wheel of the coal mining machine and the pin row of the scraper conveyor due to the arrangement of the auxiliary side plate is solved, so that the abrasion rate of equipment is reduced, and the service life of the equipment is prolonged.
Description
Technical Field
The invention belongs to the technical field of mining mechanical equipment, and particularly relates to an open type cylindrical guide toothed rail and a mining scraper conveyor crossheading.
Background
The pin row of the scraper conveyor is a key part for walking the coal mining machine on a coal mining working face. Traditional scraper conveyor pin row is semi-closed structure, and the material between coal-winning machine walking wheel and scraper conveyor pin row meshing tooth is discharged difficultly, leads to the two meshing skew meshing lines, influences coal-winning machine walking speed, aggravates the wearing and tearing of pin row and walking wheel, reduction equipment life. Secondly, the section of the guide post of the guide shoe of the coal mining machine is of a square structure, when the coal mining machine is in upward and downward mining, the stress states of the travelling wheels and the pin rows are severe, the travelling wheels and the pin rows are easy to damage, and larger resistance is generated when the coal mining machine operates, so that the improvement of the coal mining efficiency and the realization of energy conservation and consumption reduction are not facilitated.
Disclosure of Invention
In view of the above, the invention provides an open cylindrical guide toothed rail which is convenient for discharging materials between the engaged teeth of a travelling wheel of a coal mining machine and a pin row of a scraper conveyor, is favorable for reducing abrasion and prolonging the service life of equipment.
The invention also provides a mine scraper conveyor crossheading which is beneficial to reducing the running resistance of the coal mining machine and improving the coal mining efficiency.
The technical scheme adopted for solving the technical problems is as follows:
The open type cylindrical guide toothed rail comprises a guide rail body, a pin row, mounting lugs and a coal cutter guide column, wherein the pin row is arranged on one side of the guide rail body, the mounting lugs are arranged at the bottom of the guide rail body, the coal cutter guide column is arranged on one side, deviating from the pin row, of the guide rail body, the guide rail body is in a strip shape, the pin row comprises a plurality of pin teeth which are arranged in a straight line along the length direction of the guide rail body, and a coal discharging space is formed between two adjacent pin teeth; the pin rows are connected with the bottoms of the pin teeth at the positions opposite to the mounting lugs into a whole to form a buffer groove of the coal mining machine.
Preferably, the mounting lug comprises a main lug and an auxiliary lug, the main lug is arranged at the bottom of the joint of the guide rail and the coal machine guide body, the auxiliary lug is arranged at the bottom of the buffer tank of the coal machine and is opposite to the main lug, and the main lug and the auxiliary lug are penetrated and provided with a tooth rail seat mounting hole.
Preferably, the guide post of the coal mining machine is cylindrical, the section of the guide post of the coal mining machine is a minor arc, the highest point of the guide post of the coal mining machine is higher than the upper surface of the guide rail, and two sides of the joint of the guide post of the coal mining machine and the guide rail are contracted inwards to form two symmetrical guide shoe guide grooves.
Preferably, the central angle of a minor arc formed by the section of the guide post of the coal mining machine is 195-270 degrees.
Preferably, the central angle of the guide shoe guide groove is 90-150 degrees.
The utility model provides a mining scraper conveyor cis-trough, includes shovel board ledge, baffle ledge, medium plate, bottom plate and rack seat, shovel board ledge with the baffle ledge sets up relatively, the medium plate with the bottom plate set up in shovel board ledge with between the baffle ledge, the rack seat is fixed in on the baffle ledge, still include open cylinder direction rack as above, open cylinder direction rack install in on the rack seat, so that the coal-winning machine is in stable walking on the mining scraper conveyor cis-trough.
According to the technical scheme, the invention provides the open cylindrical guide rack, which has the beneficial effects that: firstly, a plurality of pin teeth are arranged in a straight line in the extending direction on the guide rail, and the coal discharging space is formed between two adjacent pin teeth to form an open toothed rail, so that smooth discharging of materials between the engaged teeth of the travelling wheel of the coal mining machine and the pin row of the scraper conveyor is facilitated, and the problem that the conventional semi-wrapped toothed rail is difficult to discharge the materials between the engaged teeth of the travelling wheel of the coal mining machine and the pin row of the scraper conveyor due to the arrangement of the auxiliary side plate is solved, thereby being beneficial to reducing the equipment wear rate and prolonging the service life of equipment; secondly, the auxiliary lugs are arranged on the mounting lugs, so that the mounting stability between the rack and the rack seat is further ensured, and the equipment abrasion is reduced; the traditional square coal cutter guide post is changed into the cylindrical coal cutter guide post, so that the running resistance of the coal cutter is further reduced, and the coal mining efficiency is improved. The invention also provides a mine scraper conveyor crossheading, and the open cylindrical guide toothed rail is used for effectively ensuring the stability of the coal mining machine in walking on the mine scraper conveyor crossheading, reducing equipment loss and improving coal mining efficiency.
Drawings
Fig. 1 is a schematic view of the structure of an open cylindrical guide rack.
Fig. 2 is a front view of the structure shown in fig. 1.
Fig. 3 is a right side view of the structure shown in fig. 1.
In the figure: the guide rail comprises an open cylindrical guide toothed rail 10, a guide rail 100, a pin row 200, a mounting lug 300, a coal cutter guide post 400, pin teeth 210, a coal discharging space 211, a coal cutter buffer groove 212, a main lug 310, an auxiliary lug 320, a toothed rail seat mounting hole 321 and a guide shoe guide groove 401.
Detailed Description
The technical scheme of the invention is further elaborated and described below with reference to the drawings of the invention.
Referring to fig. 1 to 3, in one embodiment, an open cylindrical guide rack 10 includes a guide rail 100, a pin row 200, a mounting lug 300 and a coal cutter guide post 400, wherein the pin row 200 is disposed on one side of the guide rail 100, the mounting lug 300 is disposed at the bottom of the guide rail 100, the coal cutter guide post 400 is disposed on one side of the guide rail 100 away from the pin row 200, the guide rail 100 is in a strip shape, the pin row 200 includes a plurality of pin teeth 210 aligned in a line along the length direction of the guide rail 100, and a coal discharging space 211 is formed between two adjacent pin teeth 210; the pin row 200 is integrally connected to the bottom of the pin teeth 210 at a position opposite to the mounting lug 300, so as to form a buffer slot 212 of the coal mining machine. In the process that the coal cutter moves upwards in the open type cylindrical guide toothed rail 10, the guide shoe sleeve of the coal cutter is arranged on the guide post 400 of the coal cutter, the travelling wheel of the coal cutter is meshed with the pin row 200, when falling coal falls on the open type cylindrical guide toothed rail 10, coal slag at the meshing position of the travelling wheel of the coal cutter and the pin row 200 falls on the scraper conveyor along the coal discharging space 211 formed between two adjacent pin teeth 210, the arrangement structure of the open type pin row is beneficial to smooth discharging of materials between the travelling wheel of the coal cutter and the pin row 200, and the problem that the conventional semi-packed toothed rail is difficult to discharge the materials between the travelling wheel of the coal cutter and the pin row of the scraper conveyor due to the arrangement of the auxiliary side plate is solved, so that the abrasion rate of equipment is reduced, and the service life of the equipment is prolonged. Further, in order to prevent a larger torque from existing between the travelling wheel of the coal mining machine and the pin row 200, the pin row 200 is connected with the bottom of the pin tooth 210 at a position opposite to the mounting lug 300 to form the buffer slot 212 of the coal mining machine, and when the travelling wheel of the coal mining machine passes through the buffer slot 212 of the coal mining machine, an upward supporting force is obtained to offset a part of the torque force, so that the equipment loss is further reduced, the coal mining machine runs on the open cylindrical guide toothed rail 10 more smoothly, and the coal mining efficiency is improved.
In order to further improve the running stability of the coal mining machine on the open cylindrical guide rack 10, in a preferred embodiment, the mounting lug 300 includes a main lug 310 and an auxiliary lug 320, the main lug 310 is disposed at the bottom of the joint of the guide rail 100 and the coal mining machine guide body 400, the auxiliary lug 320 is disposed at the bottom of the buffer slot 212 of the coal mining machine and is opposite to the main lug 310, and the main lug 310 and the auxiliary lug 320 are provided with a rack rail seat mounting hole 321 in a penetrating manner. The open type cylindrical guide toothed rail 10 is installed on a toothed rail seat of a tube sheet conveyor crossheading, the open type cylindrical guide toothed rail 10 is fixed through a pin shaft passing through the toothed rail seat mounting hole 321, and due to the adoption of the double-lug fixing mode in the scheme, when a coal mining machine passes, the two sides of the open type cylindrical guide toothed rail 10 and the toothed rail seat are uniformly stressed, so that the damage of the pin shaft or the mounting lug 300 caused by the existence of large torsion between the open type cylindrical guide toothed rail 10 and the toothed rail seat is avoided, and meanwhile, the coal mining machine is enabled to run more stably.
In a preferred embodiment, the shearer guide post 400 is cylindrical, and has a minor arc in cross section, the highest point of the shearer guide post 400 is higher than the upper surface of the guide rail 100, and two sides of the joint between the shearer guide post 400 and the guide rail 100 are contracted inwards to form two symmetrical guide shoe guide grooves 401. The coal cutter guide shoe is sleeved on the outer surface of the coal cutter guide post 400, and two sides of the coal cutter guide shoe fall into the guide shoe guide groove 401, so that the coal cutter guide shoe can uniformly and stably slide on the coal cutter guide post 400, the situation that the traditional square guide post is in severe abrasion of the coal cutter guide shoe at the edge angle is avoided, and the service life of equipment is shortened. Secondly, due to the existence of the guide post 400 of the coal mining machine and the guide grooves 401 of the two guide shoes, the automatic alignment function is achieved, and the guide shoes of the coal mining machine can self-adaptively find the circle center on the guide post 400 of the coal mining machine, so that the stable running of the coal mining machine is ensured, the torsion between the travelling wheels of the coal mining machine and the pin row 200 is further reduced, the equipment loss is reduced, and the service life of the equipment is prolonged.
In a specific embodiment, the central angle of the minor arc formed by the section of the guiding post 400 of the coal mining machine is 195-270 degrees, so as to ensure that the guiding boot of the coal mining machine slides normally and stably.
Further, the central angle of the guide shoe guide groove 401 is 90-150 degrees, so as to avoid derailment of the guide shoe of the coal mining machine.
The utility model provides a mining scraper conveyor crossheading, includes shovel board ledge, baffle ledge, medium plate, bottom plate and rack seat, shovel board ledge with the baffle ledge sets up relatively, the medium plate with the bottom plate set up in shovel board ledge with between the baffle ledge, the rack seat is fixed in on the baffle ledge, still include open cylinder guide rack 10 as described above, open cylinder guide rack 10 install in on the rack seat, so that the coal-winning machine is in stable walking on the mining scraper conveyor crossheading, effectually guaranteed the coal-winning machine is in the stability of walking on the mining scraper conveyor crossheading, reduce equipment loss, improve coal-winning efficiency.
The foregoing disclosure is illustrative of the preferred embodiments of the present invention, and is not to be construed as limiting the scope of the invention, as it is understood by those skilled in the art that all or part of the above-described embodiments may be practiced with equivalents thereof, which fall within the scope of the invention as defined by the appended claims.
Claims (2)
1. The utility model provides an open cylinder direction rack, includes guided way, round pin row, installation ear and coal-winning machine guide post, the round pin row set up in one side of guided way, the installation ear set up in the bottom of guided way, the coal-winning machine guide post set up in the guided way deviates from the one side of round pin row, its characterized in that, the guided way is rectangular form, the round pin row includes a plurality of along the guide way length direction is a word arrangement round pin tooth, adjacent two form down coal space between the round pin tooth; the pin rows are connected with the bottoms of the pin teeth at the positions opposite to the mounting lugs into a whole to form a buffer groove of the coal mining machine; the mounting lugs comprise main lugs and auxiliary lugs, the main lugs are arranged at the bottom of the joint of the guide rail and the guide post of the coal mining machine, the auxiliary lugs are arranged at the bottom of the buffer tank of the coal mining machine and are opposite to the main lugs, and the main lugs and the auxiliary lugs are provided with tooth rail seat mounting holes in a penetrating mode; the guide post of the coal mining machine is cylindrical, the section of the guide post of the coal mining machine is a minor arc, the highest point of the guide post of the coal mining machine is higher than the upper surface of the guide rail, and two sides of the joint of the guide post of the coal mining machine and the guide rail are contracted inwards to form two symmetrical guide shoe guide grooves; the central angle of a minor arc formed by the section of the guide post of the coal mining machine is 195-270 degrees; the central angle of the guide groove of the guide shoe is 90-150 degrees.
2. The mining scraper conveyor cis-trough comprises a shovel plate ledge, a baffle ledge, a middle plate, a bottom plate and a toothed rail seat, wherein the shovel plate ledge is arranged opposite to the baffle ledge, the middle plate and the bottom plate are arranged between the shovel plate ledge and the baffle ledge, and the toothed rail seat is fixed on the baffle ledge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811505143.2A CN109436676B (en) | 2018-12-10 | 2018-12-10 | Open type cylindrical guiding rack and mine scraper conveyor crossheading |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811505143.2A CN109436676B (en) | 2018-12-10 | 2018-12-10 | Open type cylindrical guiding rack and mine scraper conveyor crossheading |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109436676A CN109436676A (en) | 2019-03-08 |
| CN109436676B true CN109436676B (en) | 2024-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811505143.2A Active CN109436676B (en) | 2018-12-10 | 2018-12-10 | Open type cylindrical guiding rack and mine scraper conveyor crossheading |
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| Country | Link |
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| CN (1) | CN109436676B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110116882A (en) * | 2019-05-05 | 2019-08-13 | 宁夏天地奔牛实业集团有限公司 | Mining rack rails and drag conveyor |
| CN116446869B (en) * | 2023-04-21 | 2023-12-26 | 中国矿业大学 | Self-drilling hard mineral longwall mining machine and mining method |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3716301A1 (en) * | 1987-05-15 | 1988-11-24 | Gewerk Eisenhuette Westfalia | Device for coupling rail sections and the like, in particular guide sections of an exploiting apparatus, to the pan sections of a scraper chain conveyor |
| CN201908655U (en) * | 2010-12-31 | 2011-07-27 | 三一重型装备有限公司 | Coal mining machine and guide skid shoe component |
| CN102654053A (en) * | 2011-03-04 | 2012-09-05 | 刘素华 | Efficient block mining machine |
| CN202767992U (en) * | 2012-09-20 | 2013-03-06 | 西安科技大学 | Adaptive guide skid shoe for coal mining machine |
| CN203335078U (en) * | 2013-06-26 | 2013-12-11 | 西安煤矿机械有限公司 | Split type guiding skid shoe for coal cutter |
| CN104453895A (en) * | 2014-11-10 | 2015-03-25 | 三一重型装备有限公司 | Guiding piston shoe assembly, coal cutter travel unit and coal cutter |
| CN104806241A (en) * | 2014-11-11 | 2015-07-29 | 三一重型装备有限公司 | Guide foot assembly and coal mining machine |
| CN108584296A (en) * | 2018-06-08 | 2018-09-28 | 湖北林龙机电设备有限公司 | Split type scraper plate for drag conveyor |
| CN209536184U (en) * | 2018-12-10 | 2019-10-25 | 宁夏天地奔牛实业集团有限公司 | Open cylinder guiding rack rails and mine flight conveyer crossheading |
-
2018
- 2018-12-10 CN CN201811505143.2A patent/CN109436676B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3716301A1 (en) * | 1987-05-15 | 1988-11-24 | Gewerk Eisenhuette Westfalia | Device for coupling rail sections and the like, in particular guide sections of an exploiting apparatus, to the pan sections of a scraper chain conveyor |
| CN201908655U (en) * | 2010-12-31 | 2011-07-27 | 三一重型装备有限公司 | Coal mining machine and guide skid shoe component |
| CN102654053A (en) * | 2011-03-04 | 2012-09-05 | 刘素华 | Efficient block mining machine |
| CN202767992U (en) * | 2012-09-20 | 2013-03-06 | 西安科技大学 | Adaptive guide skid shoe for coal mining machine |
| CN203335078U (en) * | 2013-06-26 | 2013-12-11 | 西安煤矿机械有限公司 | Split type guiding skid shoe for coal cutter |
| CN104453895A (en) * | 2014-11-10 | 2015-03-25 | 三一重型装备有限公司 | Guiding piston shoe assembly, coal cutter travel unit and coal cutter |
| CN104806241A (en) * | 2014-11-11 | 2015-07-29 | 三一重型装备有限公司 | Guide foot assembly and coal mining machine |
| CN108584296A (en) * | 2018-06-08 | 2018-09-28 | 湖北林龙机电设备有限公司 | Split type scraper plate for drag conveyor |
| CN209536184U (en) * | 2018-12-10 | 2019-10-25 | 宁夏天地奔牛实业集团有限公司 | Open cylinder guiding rack rails and mine flight conveyer crossheading |
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| Publication number | Publication date |
|---|---|
| CN109436676A (en) | 2019-03-08 |
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