CN113958356A - Coal mine roadway advance support device based on monorail crane - Google Patents
Coal mine roadway advance support device based on monorail crane Download PDFInfo
- Publication number
- CN113958356A CN113958356A CN202111337349.0A CN202111337349A CN113958356A CN 113958356 A CN113958356 A CN 113958356A CN 202111337349 A CN202111337349 A CN 202111337349A CN 113958356 A CN113958356 A CN 113958356A
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- wall
- welded
- monorail crane
- device based
- coal mine
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- 239000003245 coal Substances 0.000 title claims abstract description 31
- 230000007246 mechanism Effects 0.000 claims description 25
- 238000009434 installation Methods 0.000 claims description 16
- 239000010720 hydraulic oil Substances 0.000 claims description 10
- 239000000725 suspension Substances 0.000 claims description 8
- 230000002457 bidirectional effect Effects 0.000 claims description 5
- 125000003003 spiro group Chemical group 0.000 claims description 2
- 238000003466 welding Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/08—Advancing mechanisms
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
- E21D23/06—Special mine caps or special tops of pit-props for permitting step-by-step movement
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The invention discloses a coal mine roadway advance support device based on a monorail crane, which relates to the field of roadways and aims at solving the problems that a single column proposed by the background technology is unstable, cannot ensure safety, needs manual support, has low efficiency and high labor intensity, and simultaneously the support of a front canopy of a roadheader is influenced by a machine body and often influences support operation. The invention is convenient for installing the monorail crane and advancing the advance support, improves the practicability, reduces the manual operation intensity, reduces the safety risk, occupies small space and avoids the influence on the support operation.
Description
Technical Field
The invention relates to the technical field of roadways, in particular to a coal mine roadway advance support device based on a monorail crane.
Background
Coal mines are areas where humans mine coal resources in coal-rich mining areas, and are generally divided into underground coal mines and opencast coal mines. When the coal seam is far from the ground surface, a tunnel is usually dug to the underground, so that the coal is a mineworker coal mine. When the coal seam is very close to the ground surface, the coal is generally excavated by directly stripping the surface soil layer, which is an open pit coal mine, and the tunnel is various passages drilled between the ground surface and the ore body for carrying ore, ventilating, draining, pedestrian and various necessary preparation projects for mining ore for metallurgical equipment, and the passages are collectively called as tunnels.
In the process of tunneling a coal mine underground tunnel, a tunnel top plate and two sides of the tunnel need to be supported after a fully-mechanized excavating machine cuts rocks and coal bodies circulate, at the moment, surrounding rocks of the tunnel are in an unsupported state in the supporting operation process, great safety risks exist in the operation of the area, advance supporting needs to be carried out for ensuring safety, and at present, single hydraulic supports or a front canopy of the fully-mechanized excavating machine are generally adopted for advance supporting and the like, single columns are unstable in advance supporting by adopting the single columns, safety cannot be ensured, manual supporting is needed, the efficiency is low, the labor intensity is high, and meanwhile supporting operation of the front canopy of the fully-mechanized excavating machine is often influenced by a machine body.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a coal mine roadway advance support device based on a monorail crane.
In order to achieve the purpose, the invention adopts the following technical scheme:
a coal mine roadway advance support device based on a monorail crane comprises a monorail crane and two suspension anchor rods, wherein tracks are arranged on the outer walls of two sides of the monorail crane, the two suspension anchor rods are fixedly connected to the outer wall of a monorail crane part respectively, connecting plates are welded on the outer walls of two ends of the monorail crane part respectively, two moving mechanisms are arranged at one end of the monorail crane and comprise two walking wheels, the walking wheels are respectively and rollingly installed in the tracks of two sides of the monorail crane, two installation rods are respectively connected to the outer walls of the opposite sides of the two walking wheels through bearings, two installation plates are respectively welded on the outer walls of one ends of the two installation rods, a bidirectional screw rod, two installation blocks, two fixing columns and a limiting plate, the two fixing columns are respectively welded on the outer walls of the opposite sides of the two installation blocks, the two fixing plates are respectively welded on the outer walls of one ends of the bidirectional screw rod, the monorail crane is provided with a connecting shaft below, two ends of the connecting shaft are connected to the outer wall on one side opposite to the two mounting plates through bearings respectively, fixed blocks are welded to the outer walls on two ends of the connecting shaft respectively, a cross beam is arranged below the fixed blocks, the top of the cross beam is welded to the outer walls at the bottom of the two fixed blocks respectively, a chute with a T-shaped structure is formed in the outer wall of the center of the monorail crane bottom along the length direction, a deflection mechanism is arranged in the chute, the deflection mechanism comprises a sliding block which is slidably mounted in the chute, a fixed plate which is welded to the outer wall of the bottom of the sliding block, two first fixed seats which are welded to the outer walls at two ends of the bottom of the fixed plate respectively, a first connecting block which is connected to the outer wall on one side opposite to the two first fixed seats through bearings respectively, a hydraulic oil cylinder which is welded to the outer wall on the bottom of the first connecting block, and two second fixed seats which are welded to the outer wall on one side opposite to the two second fixed seats respectively through bearings respectively On, be equipped with two supporting mechanism on crossbeam top one end outer wall, supporting mechanism includes that two weld respectively on the bracing piece on the outer wall of crossbeam top, bottom one end weld respectively in the front beam on two bracing piece top outer walls, two cup joint respectively solid fixed ring and two support columns that weld respectively on two solid fixed ring one side outer walls on two bracing piece upper portions outer walls.
Preferably, two threaded openings are formed in the outer wall of one side, opposite to the connecting plates, of each connecting plate, and the two connecting plates are in fastening fit through two bolts and two nuts respectively.
Preferably, two all open the through-hole on the relative one side outer wall of mounting panel, and two fixed columns respectively slidable mounting in two through-holes, the welding has the carousel on the one end outer wall that limiting plate was kept away from to two-way screw rod, and the welding has the handle on one side outer wall of carousel.
Preferably, the monorail crane is provided with connecting columns on two sides, and two ends of the two connecting columns are welded on the outer wall of the opposite side of the two mounting plates respectively.
Preferably, the top end of the piston rod of the hydraulic oil cylinder is welded on the outer wall of the bottom of the first connecting block, and the bottom end of the hydraulic oil cylinder is welded on the outer wall of the top of the second connecting block.
Preferably, the top ends of the two support columns are respectively welded on the outer wall of one end of the bottom of the front cross beam, a gap is reserved between the two front cross beams, and the size of the gap is matched with the outer diameter of the suspension anchor rod.
The invention has the beneficial effects that:
1. the connecting plates are arranged at two ends of the top of the monorail crane, when the monorail crane is extended and hoisted, the extended monorail crane is fixed on a head-on top plate of a roadway, the two monorail cranes are connected into a straight line by bolts and nuts, two bidirectional screw rods are clockwise rotated, so that the fixing column is separated from one side of the monorail crane, the moving mechanism is pushed forward, the monorail crane is convenient to mount, advance of advance support is convenient, and the practicability is improved;
2. be provided with deflection mechanism, press manual formula hydraulic cylinder, the hydraulic cylinder piston rod rises, and hydraulic cylinder extrudees the crossbeam, and crossbeam, connecting axle and forestope form the lever, and the crossbeam deflects and drives the forestope and deflect for the forestope contacts with the roof of meeting, and supports the roof of meeting, has reduced manual work intensity, has reduced the safety risk, and occupation space is little, has avoided the influence to strutting the operation.
Drawings
Fig. 1 is a schematic view of a main perspective three-dimensional structure of a coal mine roadway advance support device based on a monorail crane, which is provided by the invention;
fig. 2 is a schematic view of a three-dimensional structure of the bottom of a monorail crane of the coal mine roadway advance support device based on the monorail crane provided by the invention;
fig. 3 is a schematic perspective structure view of a moving mechanism of the coal mine roadway advance support device based on the monorail crane, which is provided by the invention;
fig. 4 is a schematic perspective view of a deflection mechanism of the coal mine roadway advance support device based on the monorail crane, which is provided by the invention;
fig. 5 is a schematic three-dimensional structure diagram of a supporting mechanism of the coal mine roadway advance supporting device based on the monorail crane.
In the figure: the device comprises a monorail crane 1, a suspension anchor rod 2, a connecting plate 3, a moving mechanism 4, a walking wheel 401, a mounting rod 402, a mounting plate 403, a bidirectional screw 404, a mounting block 405, a fixing column 406, a limiting plate 407, a connecting column 5, a connecting shaft 6, a fixing block 7, a cross beam 8, a deflection mechanism 9, a sliding block 901, a fixing plate 902, a first fixing seat 903, a first connecting block 904, a hydraulic oil cylinder 905, a second fixing seat 906, a second connecting block 907, a supporting mechanism 10, a supporting rod 1001, a front cross beam 1002, a fixing ring 1003 and a supporting column 1004.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Embodiment 1, refer to fig. 1-3, a coal mine roadway advance support device based on a monorail crane, including a monorail crane 1 with tracks on the outer walls of both sides and two suspension anchor rods 2 fixedly connected to the outer wall of the top of the monorail crane 1, for the convenience of installation and connection of the two monorail cranes 1, connecting plates 3 are welded on the outer walls of both ends of the top of the monorail crane 1, two threaded openings are opened on the outer wall of the opposite side of the two connecting plates 3, the two connecting plates 3 are fastened and matched by two bolts and two nuts, for the convenience of advance support, the next cycle of support is performed, two traveling wheels 401 are installed in the tracks of both sides of the monorail crane 1 in a rolling manner, two installation rods 402 are connected to the outer wall of the opposite side of the two traveling wheels 401 through bearings, two installation plates 403, two installation rods are welded to the outer walls of one ends of the two installation rods 402, respectively, Two ends are connected in the two-way screw rod 404 on the outer wall of one side that two mounting panels 403 kept away from each other respectively through the bearing, two install the piece 405 on the outer wall of two-way screw rod 404 both ends respectively in spiro union, two weld respectively in the fixed column 406 on the outer wall of two relative one sides of installation piece 405 and weld the moving mechanism 4 that constitutes in limiting plate 407 on the outer wall of two-way screw rod 404 one end, the through-hole has all been opened on the outer wall of two relative one sides of mounting panel 403, two fixed column 406 respectively slidable mounting in two through-holes, the welding has the carousel on the outer wall of the one end that limiting plate 407 was kept away from to two-way screw rod 404, the welding has the handle on the outer wall of carousel one side, the single track hangs 1 both sides and all is equipped with spliced pole 5, the both ends of two spliced poles 5 weld respectively on the outer wall of two relative one sides of mounting panel 403.
The monorail crane is convenient to install, advance of advance support is convenient, and practicability is improved.
Embodiment 2, referring to fig. 1-2 and 4-5, a connecting shaft 6 is disposed below a monorail crane 1, two ends of the connecting shaft 6 are respectively connected to outer walls of two opposite sides of two mounting plates 403 through bearings, fixing blocks 7 are welded to outer walls of two ends of the connecting shaft 6, a cross beam 8 is disposed below the fixing blocks 7, tops of the cross beam 8 are respectively welded to outer walls of bottoms of the two fixing blocks 7, a chute with a T-shaped structure is formed in an outer wall of a center of a bottom of the monorail crane 1 along a length direction, a deflection mechanism 9 is disposed in the chute, the deflection mechanism 9 comprises a sliding block 901 slidably mounted in the chute, a fixing plate 902 welded to an outer wall of the bottom of the sliding block 901, two first fixing seats 903 respectively welded to outer walls of two ends of the bottom of the fixing plate 902, first connecting blocks 904, hydraulic cylinders 905, two sides of which are respectively connected to outer walls of two opposite sides of the two first fixing seats 903 through bearings, and welded to outer walls of the bottom of the first connecting blocks 904, Two second fixing seats 906 respectively welded on the outer wall of the top of the cross beam 8 and two second connecting blocks 907 with two sides respectively connected on the outer wall of the opposite side of the two second fixing seats 906 through bearings, the top end of a piston rod of a hydraulic oil cylinder 905 is welded on the outer wall of the bottom of the first connecting block 904, and the bottom end of the hydraulic oil cylinder 905 is welded on the outer wall of the top of the second connecting block 907, so that the hydraulic oil cylinder 905, the cross beam 8, a connecting shaft 6 and a front cantilever 1002 form a lever for supporting a head-on top plate, two supporting mechanisms 10 are arranged at one end of the top of the cross beam 8, each supporting mechanism 10 comprises two supporting rods 1001 respectively welded on the outer wall of the top of the cross beam 8, a front cross beam 1002 with one end of the bottom respectively welded on the outer wall of the top of the two supporting rods 1001, two fixing rings 1003 respectively sleeved on the outer walls of the upper parts of the two supporting rods 1001 and two supporting columns 1004 respectively welded on the outer wall of one side of the two fixing rings 1003, the top ends of the two supporting columns 1004 are welded on the outer wall of one end of the bottom of the front cross beam 1002 respectively, and a gap is reserved between the two front cross beams 1002 for the purpose that the advance support device can advance smoothly, and the size of the gap is matched with the outer diameter of the suspension anchor rod 2.
The manual operation intensity is reduced, the safety risk is reduced, the occupied space is small, and the influence on the supporting operation is avoided.
Pressing manual hydraulic cylinder 905, hydraulic cylinder 905 piston rod rises, hydraulic cylinder 905 extrudes crossbeam 8, connecting axle 6 and forestope 1002 form the lever, crossbeam 8 deflects and drives forestope 1002 to deflect, make forestope 1002 contact with the overhead roof, and support the overhead roof, when hanging 1 to the monorail and extending hoist, hang 1 to the monorail that extends and fix on the overhead roof in tunnel, utilize bolt and nut to hang 1 to connect into a straight line with two monorail, rotate two-way screw rods 404 clockwise, make fixed column 406 break away from one side of monorail and hang 1, promote moving mechanism 4 and can impel forward, carry out the supporting of next cycle, rotate two-way screw rods 404 anticlockwise, make four fixed columns 406 respectively with the both sides contact of monorail and hang 1, and then fix walking wheel 401.
The present invention is not limited to the above-described embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention, and the contents of the changes still fall within the scope of the present invention.
Claims (6)
1. The utility model provides a coal mine tunnel advance support device based on single track hangs, include all be equipped with orbital single track on the outer wall of both sides and hang (1) and two suspension anchor rod (2) on single track hangs (1) top outer wall respectively fixed connection, its characterized in that, it has connecting plate (3) all to weld on the outer wall of the both ends at (1) top that the single track hangs, single track hangs (1) one end and is equipped with two moving mechanism (4), moving mechanism (4) include two respectively roll mounting hang walking wheel (401) in (1) both sides track, two respectively through bearing connection installation pole (402) on two relative one side outer walls of walking wheel (401), two respectively weld mounting panel (403) on two installation pole (402) one end outer walls, two-way screw rod (404) that both ends were connected respectively on the one side outer wall of keeping away from each other of two mounting panel (403) through the bearing connection, Two installation piece (405), two respectively the spiro union on two-way screw rod (404) both ends outer wall weld fixed column (406) on two installation piece (405) relative one side outer wall respectively and weld limiting plate (407) on two-way screw rod (404) one end outer wall, single track hangs (1) below and is equipped with connecting axle (6), and connecting axle (6) both ends are connected on two installation board (403) relative one side outer walls through the bearing respectively, all weld on connecting axle (6) both ends outer wall fixed block (7), fixed block (7) below is equipped with crossbeam (8), and welds respectively on two fixed block (7) bottom outer walls crossbeam (8) top, open the spout that has "T" shape structure along length direction on the center department outer wall of single track bottom (1), and be equipped with deflection mechanism (9) in the spout, deflection mechanism (9) are including slider (901) of slidable mounting in the spout, The fixing plate (902) welded on the outer wall of the bottom of the sliding block (901), two first fixing seats (903) welded on the outer walls of two ends of the bottom of the fixing plate (902) respectively, two first connecting blocks (904) connected with the outer wall of one side of the two first fixing seats (903) opposite to each other through bearings on two sides, a hydraulic oil cylinder (905) welded on the outer wall of the bottom of the first connecting block (904), two second fixing seats (906) welded on the outer wall of the top of the beam (8) respectively and two second connecting blocks (907) connected with the outer wall of one side of the two second fixing seats (906) opposite to each other through bearings on two sides, two supporting mechanisms (10) arranged on the outer wall of one end of the top of the beam (8), wherein each supporting mechanism (10) comprises two supporting rods (1001) welded on the outer wall of the top of the beam (8) respectively, and a front beam (1002) welded on the outer wall of the top of the two supporting rods (1001) respectively, Two fixed rings (1003) and two support columns (1004) are respectively welded on the outer wall of one side of the two fixed rings (1003) and are respectively sleeved on the outer wall of the upper part of the two support rods (1001).
2. The coal mine roadway advance support device based on the monorail crane is characterized in that two threaded openings are formed in the outer wall of one side, opposite to the two connecting plates (3), of the two connecting plates, and the two connecting plates (3) are in fastening fit through two bolts and two nuts respectively.
3. The coal mine roadway advance support device based on the monorail crane is characterized in that through holes are formed in the outer wall of one side, opposite to the two mounting plates (403), of each mounting plate, two fixing columns (406) are slidably mounted in the two through holes respectively, a rotary table is welded to the outer wall of one end, away from the limiting plate (407), of the bidirectional screw (404), and a handle is welded to the outer wall of one side of the rotary table.
4. The coal mine roadway advance support device based on the monorail crane is characterized in that connecting columns (5) are arranged on two sides of the monorail crane (1), and two ends of the two connecting columns (5) are welded to the outer walls of the two mounting plates (403) on the opposite sides respectively.
5. The coal mine roadway advance support device based on the monorail crane is characterized in that the top end of a piston rod of the hydraulic oil cylinder (905) is welded to the outer wall of the bottom of the first connecting block (904), and the bottom end of the hydraulic oil cylinder (905) is welded to the outer wall of the top of the second connecting block (907).
6. The coal mine roadway advance support device based on the monorail crane is characterized in that the top ends of two support columns (1004) are respectively welded to the outer wall of one end of the bottom of a front cross beam (1002), a gap is reserved between the two front cross beams (1002), and the size of the gap is matched with the outer diameter of a suspension anchor rod (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111337349.0A CN113958356A (en) | 2021-11-12 | 2021-11-12 | Coal mine roadway advance support device based on monorail crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111337349.0A CN113958356A (en) | 2021-11-12 | 2021-11-12 | Coal mine roadway advance support device based on monorail crane |
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| Publication Number | Publication Date |
|---|---|
| CN113958356A true CN113958356A (en) | 2022-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111337349.0A Pending CN113958356A (en) | 2021-11-12 | 2021-11-12 | Coal mine roadway advance support device based on monorail crane |
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| CN (1) | CN113958356A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115787378A (en) * | 2022-12-30 | 2023-03-14 | 枣庄新远大装备制造有限公司 | Monorail crane rail balance mounting machine and rail mounting method |
-
2021
- 2021-11-12 CN CN202111337349.0A patent/CN113958356A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115787378A (en) * | 2022-12-30 | 2023-03-14 | 枣庄新远大装备制造有限公司 | Monorail crane rail balance mounting machine and rail mounting method |
| CN115787378B (en) * | 2022-12-30 | 2023-12-26 | 枣庄新远大装备制造有限公司 | Method for installing single-rail suspended track balance installing machine |
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