CN110789947B - Self-adaptive secondary transportation system of composite soft rock mine fully-mechanized excavating machine - Google Patents
Self-adaptive secondary transportation system of composite soft rock mine fully-mechanized excavating machine Download PDFInfo
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- CN110789947B CN110789947B CN201911142868.4A CN201911142868A CN110789947B CN 110789947 B CN110789947 B CN 110789947B CN 201911142868 A CN201911142868 A CN 201911142868A CN 110789947 B CN110789947 B CN 110789947B
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- guide rail
- chain
- rail
- fixed
- sliding block
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- 239000011435 rock Substances 0.000 title claims abstract description 26
- 239000002131 composite material Substances 0.000 title claims abstract description 17
- 239000003245 coal Substances 0.000 claims abstract description 32
- 238000005065 mining Methods 0.000 claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 230000003044 adaptive effect Effects 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims 1
- 230000005641 tunneling Effects 0.000 abstract description 7
- 239000000725 suspension Substances 0.000 abstract description 4
- 238000010276 construction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000009049 secondary transport Effects 0.000 description 1
- 238000006467 substitution reaction Methods 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
- B65G35/00—Mechanical conveyors not otherwise provided for
- B65G35/06—Mechanical conveyors not otherwise provided for comprising a load-carrier moving along a path, e.g. a closed path, and adapted to be engaged by any one of a series of traction elements spaced along the path
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention relates to a fully-mechanized excavating machine, in particular to a self-adaptive secondary conveying system of a composite soft rock mine fully-mechanized excavating machine. The self-adaptive secondary transportation system of the composite soft rock mine fully-mechanized excavating machine comprises: the single-rail lifting beam comprises a sliding block, a hanging frame, a support, a first chain, a single-rail lifting beam and a guide rail, wherein a plurality of guide rails which slide along the single-rail lifting beam are arranged on the single-rail lifting beam, the sliding block is connected onto the single-rail lifting beam through the guide rail, the hanging frame is provided with the sliding block which can slide on the hanging frame, one end of the first chain is connected onto the support, and the other end of the first chain is connected with the guide rail. According to the self-adaptive secondary transportation system of the composite soft rock mine fully-mechanized coal mining machine, when the fully-mechanized coal mining machine swings left and right, the suspension device can move in four directions front and back and left and right at the same time, the frequency of the belt tail is reduced, the on-site use is convenient and rapid, the efficiency is high, and the tunneling speed of a tunneling working face is improved.
Description
Technical Field
The invention relates to a fully-mechanized excavating machine, in particular to a self-adaptive secondary conveying system of a composite soft rock mine fully-mechanized excavating machine.
Background
At present, the second operation distance of the fully-mechanized excavating machine is shorter, the frequency of the belt extending tail is higher during head-on tunneling, so that the time spent on belt extending is longer during construction operation of a circular shift, and the corresponding tunneling construction time is shortened.
The conventional secondary conveying device of the fully-mechanized excavating machine is short, has fewer hanging points and cannot meet the requirements of rapid tunneling construction.
The two-purpose conveying device of the fully-mechanized excavator is correspondingly prolonged, but after the two-purpose conveying device of the fully-mechanized excavator is prolonged, the problems of shaking and belt extending of hanging and walking of the fully-mechanized excavator are exposed, and the two-purpose conveying device of the fully-mechanized excavator is processed and produced according to the actual conditions of the site, so that the tunneling speed is improved, the production efficiency is improved, and the problem to be solved is improved.
Disclosure of Invention
Aiming at the defects in the prior art, the self-adaptive secondary conveying system of the composite soft rock mine fully-mechanized coal mining machine provided by the invention solves the problems that the secondary conveying system of the fully-mechanized coal mining machine is short in conveying distance, long in belt extending time and affects tunneling construction.
In order to achieve the above purpose, the present invention provides the following technical solutions:
A self-adaptive secondary transportation system of a composite soft rock mine fully-mechanized coal mining machine comprises: the single-rail lifting beam comprises a sliding block, a hanging frame, a support, a first chain, a single-rail lifting beam and a guide rail, wherein a plurality of guide rails which slide along the single-rail lifting beam are arranged on the single-rail lifting beam, the sliding block is connected onto the single-rail lifting beam through the guide rail, the hanging frame is provided with the sliding block which can slide on the hanging frame, one end of the first chain is connected onto the support, and the other end of the first chain is connected with the guide rail.
The sliding block is provided with a pulley, the pulley slides on a beam at the top of the suspension bracket, and the bottom of the suspension bracket is fixed on a headstock at one end of the bracket.
The machine head frame and the machine tail frame are respectively provided with an electric roller, a coal baffle plate is arranged at the end face of the machine head frame, one end of the machine tail frame is connected with a fully-mechanized coal mining machine, a conveyor belt is arranged below the coal baffle plate, and a conveying belt is arranged on the support.
The single-rail hanging beam is characterized in that a plurality of chains are distributed on the single-rail hanging beam and comprise a first chain and a second chain, one end of the second chain is fixed on the single-rail hanging beam, the other end of the second chain is fixed on a roadway top plate, and the single-rail hanging beam is of an H-shaped structure.
The guide rail is provided with pulley blocks, the pulley blocks are arranged on two sides of the H-shaped monorail hanging beam, a ring used for fixing a first chain is arranged at the center of the guide rail, one end of the first chain is fixed at the ring at the center of the guide rail, and the other end of the first chain is fixed on a support.
The guide rail is connected with the guide rail through a steel wire rope, and two ends of the steel wire rope are respectively fixed on a ring in the center of the guide rail.
The electric roller is characterized in that a screw rod for controlling the electric roller to move is arranged at the position of the electric roller, a fixed block is arranged at one end of the screw rod, the electric roller is connected to the fixed block, baffles are arranged at the top and the bottom of the fixed block, the fixed block moves between the baffles, one ends of the baffles at the top and the bottom are fixed at the end face of the support, and a limiting plate for limiting the screw rod is arranged at the other end of the baffle.
Wherein the distance between the guide rails is 4-6m.
The sliding block is characterized in that a fixing hole for fixing on the guide rail is formed in the upper portion of the sliding block, opposite open grooves are formed in side plates on two sides below the sliding block respectively, a pulley is mounted at each open groove, a pulley shaft is connected with a connecting piece, and the other end of the connecting piece is fixed on the side plate of the sliding block.
The hanging frame is composed of a beam and two vertical rods, the two ends of the beam are connected with the vertical rods, reinforcing ribs are welded at the joints of the beam and the vertical rods, connecting holes are formed in the end portions of the vertical rods, and the connecting holes are connected to a headstock of the support.
The beneficial effects of the invention are as follows: according to the self-adaptive secondary transportation system of the composite soft rock mine fully-mechanized coal mining machine, the guide rail and the sliding block which can slide are additionally arranged at the first transportation lifting position of the fully-mechanized coal mining machine, so that the nose frame of the support can move forwards and backwards, leftwards and rightwards, and the first chain connected below the guide rail can enable the support to also move forwards and backwards, leftwards and rightwards. The coal baffle arranged at the secondary transportation position of the fully-mechanized coal mining machine can prevent the rock from splashing.
For a further understanding of the nature and technical aspects of the present invention, reference should be made to the following detailed description of the invention and to the accompanying drawings, which are provided for purposes of reference only and are not intended to limit the invention.
Drawings
The technical solution and other advantageous effects of the present invention will be made apparent by the following detailed description of the specific embodiments of the present invention with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of a composite soft rock mine fully-mechanized coal mining machine adaptive secondary transport system;
FIG. 2 is a schematic view of the hanger structure of FIG. 1;
FIG. 3 is a schematic view of the rail structure of FIG. 1;
fig. 4 is a schematic view of the motorized pulley and the coal baffle structure of fig. 1.
Reference numerals: 1: a slide block; 2: a hanging frame; 3: a bracket; 4: a first chain; 5: a monorail hanging beam; 6: a guide rail; 7: a pulley; 8: a beam; 9: a headstock; 10: a tail frame; 11: an electric roller; 12: a coal baffle plate; 13: a fully-mechanized excavating machine; 14: a conveyor belt; 15: a belt; 16: a tunnel roof; 17: pulley block; 18: a wire rope; 19: a screw rod; 20: a fixed block; 21: a baffle; 22: a limiting plate; 23: a fixing hole; 24: a side plate; 25: an open slot; 26: a connecting piece; 27: a vertical rod; 28: reinforcing ribs; 29: and a second chain.
Detailed Description
In order to further explain the technical means adopted by the present invention and the effects thereof, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
In the description of the present invention, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "other end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operate in a particular orientation; meanwhile, unless explicitly specified and limited otherwise, terms such as "interference", "inserting", "setting", "mounting" and the like should be construed broadly, and may be fixedly connected, detachably connected or integrally formed, for example; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.
Referring to fig. 1 to 4, a self-adaptive secondary transportation system of a composite soft rock mine fully-mechanized coal mining machine includes: the single-rail lifting device comprises a sliding block 1, a hanging frame 2, a support 3, a first chain 4, a single-rail lifting beam 5 and a guide rail 6, wherein a plurality of guide rails 6 sliding along the single-rail lifting beam 5 are arranged on the single-rail lifting beam 5, the sliding block 1 is connected to the single-rail lifting beam 5 through the guide rail 6, the hanging frame 2 is provided with the sliding block 1 capable of sliding on the hanging frame 2, one end of the first chain 4 is connected to the support 3, the other end of the first chain is connected with the guide rail 6, a pulley 7 is arranged on the sliding block 1, the pulley 7 slides on a beam 8 at the top of the hanging frame 2, and the bottom of the hanging frame 2 is fixed on a machine head frame 9 at one end of the support 3. The utility model discloses a coal mining machine, including support 3, support 2, frame 9, tail frame 10, frame 9 and tail frame 10 all are equipped with electronic cylinder 11, the terminal surface department of frame 9 is equipped with keeps off coal board 12, tail frame 10 one end is connected with and fully-mechanized coal mining machine 13, it is equipped with conveyer belt 14 to keep off coal board 12 below, is equipped with the belt 15 of transportation on the support 2.
The lower part of the hanging frame 2 is welded on the bracket 2 and is reinforced by bolts.
Specifically, a plurality of chains 4 are distributed on the monorail hanging beam 5, each chain comprises a first chain 4 and a second chain 29, one end of each second chain 29 is fixed on the monorail hanging beam 5, the other end of each second chain is fixed on the roadway top plate 16, and the monorail hanging beam 5 is of an H-shaped structure.
Specifically, the guide rail 6 is provided with a pulley block 17, the pulley block 17 is arranged on two sides of the H-shaped monorail hanging beam 5, the center of the guide rail 6 is provided with a ring for fixing the first chain 4, one end of the first chain 4 is fixed on the ring in the center of the guide rail 6, and the other end of the first chain 4 is fixed on the bracket 3.
Pulley blocks 17 are arranged at two ends of the guide rail 6, and the pulley blocks 17 slide along the H-shaped monorail hanging beam 5 to drive the guide rail 6 to move along the monorail hanging beam 5.
Two or four first chains 4 are fixed at the center of the guide rail 6, and when two first chains 4 are fixed at the center of the guide rail 6, the two first chains 4 are respectively fixed at two sides of the bracket 3. When four first chains 4 are fixed at the center of the guide rail 6, two first chains 4 are respectively fixed at two sides of the bracket 3. The choice of two or four first chains 4 may be determined according to the load bearing required for the support 3.
Specifically, the guide rail 6 is connected with the guide rail 6 through a steel wire rope 18, and two ends of the steel wire rope 18 are respectively fixed on a ring in the center of the guide rail 6.
The ring in the center of the guide rail 6 may be in a long strip shape or a round shape, and the guide rail 6 is connected with the guide rail 6 through a steel wire rope 18 so as to limit the movement range of the guide rail 6.
Specifically, the motorized pulley 11 department is equipped with the lead screw 19 that control motorized pulley 11 removed, and the length of lead screw 19 is 1.2m, lead screw 19 one end is equipped with fixed block 20, is connected with motorized pulley 11 on the fixed block 20, fixed block 20 top and bottom all are equipped with baffle 21, and fixed block 20 removes between baffle 21, and baffle 21 one end of top and bottom is fixed in the terminal surface department of support 3, and the other end is equipped with spacing limiting plate 22 to lead screw 19.
The electric roller 11 drives the belt 15 arranged on the bracket 3 to rotate, and the coal baffle 12 can prevent the problem of splashing when ore transported by the belt 15 falls on the conveyor belt 14 after passing through the headstock 9.
The number of the fixing blocks 20 is two, and the fixing blocks are respectively arranged at the rotating shafts at the two ends of the motorized pulley 11.
Specifically, the distance between the guide rails 6 and the guide rails 6 is 4-6m.
The distance between the guide rail 6 and the guide rail 6 is the optimal distance which is 5m through a large number of tests, and is more than 5+/-0.1 m, the distance between the first chain 4 on the support and the first chain 4 is too far, the support shakes seriously, the distance between the guide rail 6 and the guide rail 6 is less than 5m, and the equipment cost is increased.
Specifically, a fixing hole 23 for fixing on the guide rail 6 is arranged above the sliding block 1, opposite open grooves 25 are respectively arranged on side plates 24 on two sides below the sliding block 1, a pulley 7 is arranged at each open groove 25, a wheel shaft of the pulley 7 is connected with a connecting piece 26, and the other end of the connecting piece 26 is fixed on the side plate 24 of the sliding block 1.
The open slot 25 is convenient for the pulley 7 to be arranged on the side plate 24 of the sliding block 1, and the sliding block 1 is convenient to detach.
Specifically, the suspension bracket 2 comprises a beam 8 and two vertical rods 27, wherein the two ends of the beam 8 are connected with the vertical rods 27, the joint of the beam 8 and the vertical rods 27 is welded with a reinforcing rib 28, the end part of the vertical rod 27 is provided with a connecting hole (not labeled in the figure), and the connecting hole is connected to the machine head frame 9 of the bracket 3.
The connecting hole is directly connected to the frame 9 of the bracket 3 or connected to the frame 9 through the first chain 4.
Working principle:
Rock falling after the fully-mechanized coal mining machine 13 is excavated falls on a belt 15 of a tail frame 10, and electric rollers 11 arranged at the tail frame 10 and the head frame 9 supply power for the movement of the belt 15, and the belt 15 rotates around the electric rollers 11 of the tail frame 10 and the head frame 9. Vibrations that rock drop brought and the vibrations of combine digger 13 during operation make support 3 rock, and many first chains 4 on the support 3 make the swing of support 3 more nimble, and guide rail 6 on single track hanging beam 5 is set up in the other end connection of first chain 4, and guide rail 6 can exist along the condition emergence that single track hanging beam 5 removed, because connect through wire rope 18 between guide rail 6 and the guide rail 6, the restriction each other has avoided the removal by a wide margin of guide rail 6.
According to the rock transportation amount, the number of the first chains 4 connected with the guide rail 6 can be selected for use at the beginning of design, if four first chains 4 are selected, two first chains 4 are respectively connected to two sides of the bracket 3, and two first chains 4 can also be selected and respectively connected to two sides of the bracket 3.
Rock starts walking on support 3 by tail frame 10, and the frame 9 of support 3 is reached through the support 3 middle section, falls down by frame 9, drops on conveyer belt 14, and support 3 is located the high position, and the condition that takes place to splash easily when dropping takes place, adds in the terminal surface department of frame 9 and establishes the coal blocking plate 12, and the coal blocking plate 12 of conveyer belt 14 both sides can effectually prevent the splash of rock. The rock is transported out by conveyor 14.
Because of the fatigue of the belt 15 during use, tightening of the belt 15 is required. At this time, the fixing block 20 at one end of the screw 19 is moved toward the head frame 9 along the top and bottom baffles 21, and the distance between the head frame 9 and the motorized pulley 11 of the tail frame 10 is increased to tighten the belt 15. The screw rod 19 is limited by the limiting plate 22, and the screw rod 19 is prevented from moving.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. The utility model provides a compound soft rock mine comprehensive digger self-adaptation second grade conveying system which characterized in that includes: the single-rail lifting device comprises a sliding block (1), a hanging frame (2), a support (3), a first chain (4), a single-rail lifting beam (5) and a guide rail (6), wherein a plurality of guide rails (6) which slide along the single-rail lifting beam (5) are arranged on the single-rail lifting beam (5), the sliding block (1) is connected to the single-rail lifting beam (5) through the guide rail (6), the hanging frame (2) is provided with the sliding block (1) which can slide on the hanging frame (2), one end of the first chain (4) is connected to the support (3), and the other end of the first chain is connected with the guide rail (6);
the sliding block (1) is provided with a pulley (7), the pulley (7) slides on a beam (8) at the top of the hanging frame (2), and the bottom of the hanging frame (2) is fixed on a machine head frame (9) at one end of the bracket (3);
The upper part of the sliding block (1) is provided with a fixing hole (23) for fixing on the guide rail (6), side plates (24) on two sides below the sliding block (1) are respectively provided with opposite open grooves (25), a pulley (7) is arranged at each open groove (25), a wheel shaft of the pulley (7) is connected with a connecting piece (26), and the other end of the connecting piece (26) is fixed on the side plate (24) of the sliding block (1);
The hanging frame (2) is composed of a beam (8) and two vertical rods (27), the two ends of the beam (8) are connected with the vertical rods (27), reinforcing ribs (28) are welded at the joint of the beam (8) and the vertical rods (27), connecting holes are formed in the end portions of the vertical rods (27), and the connecting holes are connected to the machine head frame (9) of the support (3).
2. The self-adaptive secondary conveying system of the composite soft rock mine fully-mechanized coal mining machine according to claim 1, wherein one end of the support (3) is a machine head frame (9), the other end of the support is a machine tail frame (10), the machine head frame (9) and the machine tail frame (10) are both provided with electric rollers (11), a coal blocking plate (12) is arranged at the end face of the machine head frame (9), one end of the machine tail frame (10) is connected with a fully-mechanized coal mining machine (13), a conveying belt (14) is arranged below the coal blocking plate (12), and a belt (15) for conveying is arranged on the support (3).
3. The self-adaptive secondary conveying system of the composite soft rock mine fully-mechanized excavating machine according to claim 2, wherein a screw rod (19) for controlling the movement of the electric roller (11) is arranged at the electric roller (11), a fixed block (20) is arranged at one end of the screw rod (19), the electric roller (11) is connected to the fixed block (20), baffles (21) are arranged at the top and the bottom of the fixed block (20), the fixed block (20) moves between the baffles (21), one ends of the baffles (21) at the top and the bottom are fixed at the end face of the bracket (3), and a limiting plate (22) for limiting the screw rod (19) is arranged at the other end of the baffle (21).
4. The self-adaptive secondary transportation system of the composite soft rock mine fully-mechanized coal mining machine according to claim 1, wherein a plurality of chains (4) are distributed on the single-rail hanging beam (5), and the chains comprise: the first chain (4) and the second chain one end of the second chain (29) is fixed on the single-rail hanging beam (5), the other end of the second chain is fixed on the roadway top plate (16), and the single-rail hanging beam (5) is of an H-shaped structure.
5. The self-adaptive secondary transportation system of the composite soft rock mine fully-mechanized coal mining machine according to claim 1, wherein the guide rail (6) is provided with pulley blocks (17), the pulley blocks (17) are arranged on two sides of the H-shaped monorail hanging beam (5), the center of the guide rail (6) is provided with a ring for fixing a first chain (4), one end of the first chain (4) is fixed on the ring in the center of the guide rail (6), and the other end of the first chain (4) is fixed on the support (3).
6. The self-adaptive secondary transportation system of the composite soft rock mine fully-mechanized coal mining machine, according to claim 1, is characterized in that the guide rail (6) is connected with the guide rail (6) through a steel wire rope (18), and two ends of the steel wire rope (18) are respectively fixed on a ring in the center of the guide rail (6).
7. The adaptive secondary transportation system of the composite soft rock mine fully-mechanized coal mining machine according to claim 1, wherein the distance between the guide rail (6) and the guide rail (6) is 4-6m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911142868.4A CN110789947B (en) | 2019-11-20 | 2019-11-20 | Self-adaptive secondary transportation system of composite soft rock mine fully-mechanized excavating machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911142868.4A CN110789947B (en) | 2019-11-20 | 2019-11-20 | Self-adaptive secondary transportation system of composite soft rock mine fully-mechanized excavating machine |
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| CN110789947A CN110789947A (en) | 2020-02-14 |
| CN110789947B true CN110789947B (en) | 2024-08-20 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1555520A1 (en) * | 1988-05-13 | 1990-04-07 | Кузбасский Политехнический Институт | Mounted reloader |
| CN211168644U (en) * | 2019-11-20 | 2020-08-04 | 内蒙古上海庙矿业有限责任公司 | Self-adaptive second-level transportation system of fully-mechanized excavating machine for composite soft rock mine |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012003526A1 (en) * | 2010-07-08 | 2012-01-12 | Antony Scott | A suspended rail system |
| CN104963719B (en) * | 2015-05-29 | 2018-01-30 | 内蒙古上海庙矿业有限责任公司 | A kind of aerial running gear of the fortune of fully-mechanized digging machine two |
| CN205555347U (en) * | 2016-05-04 | 2016-09-07 | 淮南矿业(集团)有限责任公司 | Bore installation and prevent big gun system of collapsing |
| CN208996760U (en) * | 2018-09-20 | 2019-06-18 | 淮北市众泰机电工程有限公司 | A kind of suspention Bridge type transfer belt conveyor |
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2019
- 2019-11-20 CN CN201911142868.4A patent/CN110789947B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1555520A1 (en) * | 1988-05-13 | 1990-04-07 | Кузбасский Политехнический Институт | Mounted reloader |
| CN211168644U (en) * | 2019-11-20 | 2020-08-04 | 内蒙古上海庙矿业有限责任公司 | Self-adaptive second-level transportation system of fully-mechanized excavating machine for composite soft rock mine |
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