CN210483731U - Fast-connected transportation unit for open roof side mining - Google Patents
Fast-connected transportation unit for open roof side mining Download PDFInfo
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- CN210483731U CN210483731U CN201920371708.6U CN201920371708U CN210483731U CN 210483731 U CN210483731 U CN 210483731U CN 201920371708 U CN201920371708 U CN 201920371708U CN 210483731 U CN210483731 U CN 210483731U
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- 238000005065 mining Methods 0.000 title claims description 22
- 238000003780 insertion Methods 0.000 claims abstract description 18
- 230000037431 insertion Effects 0.000 claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 239000010959 steel Substances 0.000 claims abstract description 13
- 239000007788 liquid Substances 0.000 claims description 6
- 239000003245 coal Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 3
- 206010033799 Paralysis Diseases 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of the belt transportation, specifically a fast even transportation unit of exploitation is helped to open air limit. Comprises a frame body, a transmission roller, a speed reducing motor, a turnabout roller, a quick-change connecting device, an automatic tensioning device, a steel wheel component, a carrier roller component and a conveying belt, wherein the quick-change connecting device is arranged at two ends of the frame body, the quick-change connecting device comprises a front end connecting lug, a rear end connecting lug, a connecting pin and a quick insertion block, wherein the front end connecting lug and the rear end connecting lug are respectively arranged at two ends of a frame body, two adjacent quick-change transportation units mined by exposed highwalls are connected with the rear end connecting lug through the front end connecting lug, two ends of the frame body are also provided with direction-changing rollers, an automatic tensioning device freely slides in a slide way of the frame body through a tensioning sliding block to realize tensioning of a conveying belt, a speed reduction motor is hung on an output shaft of a transmission roller, the transmission roller and the speed reduction motor are integrally installed on the frame body, a carrier roller assembly is placed in a corresponding clamping groove of the frame body, and the conveying belt is arranged on the carrier roller assembly.
Description
Technical Field
The utility model belongs to the technical field of the belt transportation, specifically a fast even transportation unit of exploitation is helped to open air limit.
Background
End slope coal mining is to fully utilize the open space condition of a stope in the process of open pit coal mining, and to recover residual coal outside the open pit mine boundary by a well mining method, which is used as a main supplement to open pit and well mining technologies. Due to technical limitations and imperfect mining means, the end slope mining process is always in the blank in China, and a large amount of thin coal seam resources are discarded. The quick-connecting transportation unit for open-sky highwall mining is a main component of a highwall mining transportation system, a continuous mining machine enters the chamber to mine coal, and a plurality of transportation units are connected in series and are next to the continuous mining machine to transport the coal cut by the continuous mining machine to the outside of the chamber. The speed of the connection mode between the transportation units directly influences the transportation efficiency of the system; because the chamber mined by the side walls does not need to be supported, once the collapse occurs, the quick-connection transportation unit also plays a role in dragging the continuous mining machine; the conveyer belt of any one transport unit in the whole transport system slips, the whole system is paralyzed, and all the transport units need to be dragged out, processed and then pushed into the underground chamber for transportation. Therefore the even transportation unit of speed need have the transporting ability reinforce, and support body intensity is high, can the high-speed joint between the unit, but also has the function that prevents the conveyer belt and skid.
Disclosure of Invention
The utility model provides a solve above-mentioned problem, provide a fast even transportation unit of open-air limit exploitation.
The utility model adopts the following technical proposal: a quick-connecting transportation unit for open-air slope mining comprises a frame body, a transmission roller, a speed reducing motor, a turnabout roller, a quick-changing connection device, an automatic tensioning device, a steel wheel assembly, a carrier roller assembly and a conveying belt, wherein the quick-changing connection device is arranged at two ends of the frame body and comprises a front-end connection lug, a rear-end connection lug, a connection pin and a quick insertion block, the front-end connection lug and the rear-end connection lug are respectively arranged at two ends of the frame body, the quick-connecting transportation units for the open-air slope mining are connected through the front-end connection lug and the rear-end connection lug, a round hole I allowing the connection pin to pass through and a groove allowing the quick insertion block to insert are arranged on the front-end connection lug, the round hole I is crossed with the groove and penetrates through the groove, the rear-end connection lug comprises lug plates arranged at two sides, the lug plates at two sides are connected through a pin shaft, the pin shaft is, insert simultaneously in the recess fast inserted block, be provided with the round hole II that corresponds with round hole I on the fast inserted block, the connecting pin is inserted in round hole I and round hole II, the both ends of support body still are provided with the driven pulley, automatic overspeed device tensioner freely slides the tensioning that realizes the conveyer belt in the slide of support body through tensioning slider wherein, gear motor has hung on drive pulley's the output shaft, drive pulley and gear motor integral erection are on the support body, the corresponding draw-in groove at the support body is laid to the bearing roller subassembly, set up the conveyer belt on the bearing roller subassembly, the steel wheel subassembly passes through the steel wheel briquetting to be fixed in the bottom of support body, it has the return stroke bearing roller to fix through the U type card in the lower part.
Furthermore, the bottom of the groove is of a semicircular structure, the diameter of the semicircular structure is the same as that of the pin shaft, the pin shaft is clamped in the semicircular structure, an open angle is arranged on the outer side of the semicircular structure, an arc-shaped groove is formed in the front end of the quick insertion block and clamped on the pin shaft, a limiting angle is arranged between the upper side and the lower side of the quick insertion block and the groove, and the range of the limiting angle is +/-6 degrees.
Further, automatic tensioning device includes electric liquid push rod, connecting seat and tensioning roller, and electric liquid push rod links to each other with the connecting seat, and the connecting seat links to each other with tensioning roller, and the slide of connecting seat on the support body slides, and electric liquid push rod internally mounted has pressure sensor.
Compared with the prior art, the utility model discloses a quick connection of transportation unit and the automation of belt stretch into. A quick-change connecting device is designed, so that the quick-change time is greatly prolonged, and the sufficient strength is ensured; and designed an automatic device that opens of belt, provided a control strategy that prevents the conveyer belt and skid, can open in real time the conveyer belt, the skidding of processing belt that also can be fine is unlikely to all drag entire system out when the transport unit appears skidding and maintains, has improved the efficiency of highwall exploitation greatly.
Drawings
FIG. 1 is a view of the structure of the present invention;
FIG. 2 is a schematic view of the connection between each part and the frame body
FIG. 3 is a schematic view of the connection between the return idler and the frame
FIG. 4 is a partially exploded view of the quick-change coupler;
FIG. 5 is a cross-sectional view of the quick-change coupler;
FIG. 6 is a schematic view of the connection of the tensioner to the frame;
FIG. 7 is a schematic view of the automatic feeder;
in the figure, 1-a conveying unit frame body, 2-a transmission roller, 3-a speed reducing motor, 4-a direction-changing roller, 5-a quick-change connecting device, 6-an automatic tensioning device, 7-a steel wheel assembly, 8-an electric cabinet, 9-a carrier roller assembly, 10-a conveying belt, 11-a front end connecting lug, 12-a rear end connecting lug, 13-a connecting pin, 14-a quick insertion block, 15-an electro-hydraulic push rod, 16-a connecting seat, 17-a tensioning roller, 18-a steel wheel pressing block, 19-a return roller, 20-a U-shaped clamp, 21-a thrust bearing surface, 22-a limiting angle and 23-a tension bearing surface.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in figure 1, the fast-connection transportation unit for the side mining comprises a frame body 1, a transmission roller 2, a speed reducing motor 3, a bend pulley 4, a quick-change connecting device 5, an automatic tensioning device 6, a steel wheel assembly 7, an electric cabinet 8, a carrier roller assembly 9, a conveyer belt 10 and the like, wherein the operation flow of the transportation unit is that the speed reducing motor drives the transmission roller, the transmission roller drives the conveyer belt, the coal of the previous transportation unit is conveyed to the head of the transportation unit from the tail part and then conveyed to the next transportation unit, just so realized the continuous transportation of coal, the electric cabinet realizes opening of transport unit belt through remote control and stops, and quick change device realizes the high-speed joint between two transport units, and the device that advances carries out real-time the opening to the belt and prevents it and skid, and the steel wheel subassembly plays the supporting role when transport unit is dragged the walking, and bearing roller subassembly is band conveyer's necessary constitution.
Each part of the drawing 2 is connected with the frame body, the speed reducing motor 3 is connected with the transmission roller 2, the transmission roller is fixed on the frame body through bolts, the bend pulley 4 is fixed at two ends of the frame body through bolts, the steel wheel pressing block 18 for the steel wheel assembly 7 is fixed at the bottom of the frame body through bolts, and the carrier roller assembly is arranged at the corresponding clamping groove of the frame body.
As shown in fig. 3, the connection between the return idler and the frame body is schematically shown, and the return idler 19 is fixed in a lower slot of the frame body through a U-shaped clamp 20.
As shown in fig. 4, a partial exploded view of the quick-change connector includes a front engaging lug 11, a rear engaging lug 12, a connecting pin 13 and a quick-insertion block 14, the front engaging lug 11 and the rear engaging lug 12 are respectively disposed at two ends of the frame body 1, two adjacent quick-connection transportation units for exposed highwall mining are connected to the rear engaging lug 12 through the front engaging lug 11, the front engaging lug 11 is provided with a circular hole I22 through which the connecting pin 13 can pass and a groove 21 through which the quick-insertion block 14 can be inserted, the circular hole I22 is crosswise disposed with the groove 21 and the circular hole I22 passes through the groove 21, the rear engaging lug 12 includes lug plates disposed at two sides, the lug plates at two sides are connected through a pin shaft, the pin shaft is clamped in the groove 21, the quick-insertion block 14 is simultaneously inserted into the groove 21, the quick-insertion block 14 is provided with a circular hole II23 corresponding to the circular hole I22, the connecting pin 13 is inserted into the circular holes I22 and II23, when in operation, the head and the tail of the two transportation units are butted, namely, the rear end connecting lug 12 of the previous transportation unit is aligned with the front end connecting lug 11 of the next transportation unit, the quick insertion block 14 is inserted from the side surface, and then the quick insertion pin shaft 13 is transmitted into the pin shaft hole of the front end connecting lug 11 from the upper part, so that the two transportation units are connected.
Fig. 5 is a sectional view of the quick-change coupler, because the connection between the quick-change transport units needs to be connected quickly and enough strength needs to be ensured, the quick-change coupler has been introduced in the design, so as to ensure that the stress of the pin shaft is surface contact when the transport units are pulled and pushed, and when the transport units are in an uneven roadway or on an upward slope or a downward slope, a certain swing angle exists between the two transport units, and the swing angle is limited by the angle of the quick-change coupler.
Fig. 6 is a schematic view of the connection between the tensioner and the frame, and fig. 7 is a schematic view of the structure of the automatic tensioner. As can be seen from fig. 7, the automatic belt tensioning device comprises an electro-hydraulic push rod 15, a connecting seat 16 and a tensioning roller 17, wherein the electro-hydraulic push rod 15 is connected with the connecting seat 16, the connecting seat 16 is connected with the tensioning roller 17, and the connecting seat 16 slides on a slide way on a frame body. The belt stretching is realized by two electric hydraulic push rods simultaneously releasing and retracting during working, a pressure sensor is arranged inside the electric hydraulic push rod 15 to detect the tension, and then whether the oil cylinder needs to continue to stretch out or not is judged according to the pressure so as to increase the tension. Meanwhile, the whole transportation system is also provided with a belt speed measuring sensor, so that once the conveyer belt slips, the belt speed measuring sensor can detect the belt speed in time. The specific control mode is to set two control modes in the program, normal operation and slipping.
The sequence under the normal condition is that the system detects the pressure of a pressure sensor, if the pressure does not reach a set value, the tension force is not enough, the oil cylinder needs to be continuously extended to realize the tension, when the set value is reached, the electric push rod motor stops rotating, the hydraulic lock is self-locked, and the belt normally runs.
When the electric roller slips, firstly, the electric roller normally runs, the belt speed sensor detects belt speed abnormality at the moment, the slipping is described, the tensioning is needed at the moment, the electric push rod motor rotates to push the piston rod to tension, after the belt speed is detected to be normal, a certain time delay is given in the program at the moment, a large coal block smoothly passes through the conveyor, then the value set by the normal pressure sensor is recovered (the service life of the whole transportation system is shortened due to overlarge tension), a certain belt tension value needs to be set, the smaller the belt tension value is on the premise of meeting the running), when the electric push rod retracts, the electric push rod stops running when the set value of the pressure sensor is reached, and the hydraulic lock is self-locked. This allows for good handling of the conveyor slip.
Claims (3)
1. A kind of open-air highwall mining's fast-connecting transport unit, characterized by that: comprises a frame body (1), a transmission roller (2), a speed reducing motor (3), a direction changing roller (4), a quick-change connecting device (5), an automatic tensioning device (6), a steel wheel assembly (7), a carrier roller assembly (9) and a conveying belt (10), wherein the quick-change connecting device (5) is arranged at two ends of the frame body (1), the quick-change connecting device (5) comprises a front-end connecting lug (11), a rear-end connecting lug (12), a connecting pin (13) and a quick insertion block (14), the front-end connecting lug (11) and the rear-end connecting lug (12) are respectively arranged at two ends of the frame body (1), two adjacent exposed ceiling mining quick-connection transportation units are connected with the rear-end connecting lug (12) through the front-end connecting lug (11), the front-end connecting lug (11) is provided with a round hole I (22) through which the connecting pin (13) can pass and a groove (21) into which the quick insertion block (14) can be inserted, the round holes I (22) and the grooves (21) are arranged in a cross mode, the round holes I (22) penetrate through the grooves (21), the rear-end connecting lugs (12) comprise lug plates arranged on two sides, the lug plates on the two sides are connected through pin shafts, the pin shafts are clamped in the grooves (21), the quick insertion blocks (14) are simultaneously inserted in the grooves (21), round holes II (23) corresponding to the round holes I (22) are arranged on the quick insertion blocks (14), the connecting pins (13) are inserted in the round holes I (22) and the round holes II (23), direction-changing rollers (4) are further arranged at two ends of the frame body (1), the automatic tensioning device (6) can freely slide in a slide way of the frame body through tensioning slide blocks to tension the conveying belt, the speed reducing motor (3) is hung on an output shaft of the transmission roller (2), the transmission roller (2) and the speed reducing motor (3) are integrally installed on the frame body, the carrier roller assembly (9) is placed in corresponding clamping grooves of the, the conveying belt (10) is arranged on the carrier roller assembly (9), the steel wheel assembly (7) is fixed at the bottom of the frame body through a steel wheel pressing block, and a return carrier roller (19) is fixed in a lower clamping groove of the frame body (1) through a U-shaped clamp 20.
2. The surface highwall mining quick connect conveyor unit of claim 1, wherein: the bottom of the groove (21) is of a semicircular structure, the diameter of the semicircular structure is the same as that of the pin shaft, the pin shaft is clamped in the semicircular structure, an open angle is arranged on the outer side of the semicircular structure, an arc-shaped groove (24) is formed in the front end of the quick insertion block (14), the arc-shaped groove (24) is clamped on the pin shaft, a limiting angle is arranged between the upper side and the lower side of the quick insertion block (14) and the groove (21), and the limiting angle range is +/-6 degrees.
3. The surface highwall mining quick connect conveyor unit of claim 1, wherein: automatic overspeed device tensioner (6) including electric liquid push rod (15), connecting seat (16) and stretch into cylinder (17), electric liquid push rod (15) link to each other with connecting seat (16), connecting seat (16) link to each other with tensioning cylinder (17), the slide of connecting seat (16) on the support body slides, electric liquid push rod (15) internally mounted has pressure sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920371708.6U CN210483731U (en) | 2019-03-22 | 2019-03-22 | Fast-connected transportation unit for open roof side mining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920371708.6U CN210483731U (en) | 2019-03-22 | 2019-03-22 | Fast-connected transportation unit for open roof side mining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210483731U true CN210483731U (en) | 2020-05-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920371708.6U Withdrawn - After Issue CN210483731U (en) | 2019-03-22 | 2019-03-22 | Fast-connected transportation unit for open roof side mining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210483731U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109915147A (en) * | 2019-03-22 | 2019-06-21 | 中国煤炭科工集团太原研究院有限公司 | The speed of outdoor highwall mining connects delivery unit |
| CN112065391A (en) * | 2020-09-22 | 2020-12-11 | 中国煤炭科工集团太原研究院有限公司 | Continuous mining machine for side wall mining and control device and method thereof |
| CN112065845A (en) * | 2020-08-07 | 2020-12-11 | 山西天地煤机装备有限公司 | Pin roll anti-falling device and side wall mining system with same |
-
2019
- 2019-03-22 CN CN201920371708.6U patent/CN210483731U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109915147A (en) * | 2019-03-22 | 2019-06-21 | 中国煤炭科工集团太原研究院有限公司 | The speed of outdoor highwall mining connects delivery unit |
| CN109915147B (en) * | 2019-03-22 | 2024-05-17 | 中国煤炭科工集团太原研究院有限公司 | Quick-connecting transportation unit for open-sky highwall exploitation |
| CN112065845A (en) * | 2020-08-07 | 2020-12-11 | 山西天地煤机装备有限公司 | Pin roll anti-falling device and side wall mining system with same |
| CN112065391A (en) * | 2020-09-22 | 2020-12-11 | 中国煤炭科工集团太原研究院有限公司 | Continuous mining machine for side wall mining and control device and method thereof |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200508 Effective date of abandoning: 20240517 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20200508 Effective date of abandoning: 20240517 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |