CN114483175A - A filling equipment for preventing mine collecting space area subsides - Google Patents
A filling equipment for preventing mine collecting space area subsides Download PDFInfo
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- CN114483175A CN114483175A CN202210134916.0A CN202210134916A CN114483175A CN 114483175 A CN114483175 A CN 114483175A CN 202210134916 A CN202210134916 A CN 202210134916A CN 114483175 A CN114483175 A CN 114483175A
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- paste
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- 239000002985 plastic film Substances 0.000 claims abstract description 31
- 229920006255 plastic film Polymers 0.000 claims abstract description 31
- 230000000903 blocking effect Effects 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 6
- 238000005065 mining Methods 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 2
- 239000006210 lotion Substances 0.000 description 27
- 230000000694 effects Effects 0.000 description 10
- 230000008093 supporting effect Effects 0.000 description 10
- 239000010878 waste rock Substances 0.000 description 9
- 230000033001 locomotion Effects 0.000 description 8
- 239000003245 coal Substances 0.000 description 7
- 240000005002 Erythronium dens canis Species 0.000 description 3
- 244000309464 bull Species 0.000 description 3
- 238000010030 laminating Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000026058 directional locomotion Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F15/00—Methods or devices for placing filling-up materials in underground workings
- E21F15/005—Methods or devices for placing filling-up materials in underground workings characterised by the kind or composition of the backfilling material
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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)
- Supports For Pipes And Cables (AREA)
Abstract
The invention relates to the field of goaf filling treatment, in particular to filling equipment for preventing a mine goaf from sinking, which comprises a bottom plate arranged on an ore digger and a folding support frame arranged on one side of the bottom plate facing the goaf, wherein a paste conveying pipeline is arranged on the folding support frame, the output end of the paste conveying pipeline faces the goaf, a lower sliding plate below the folding support frame is horizontally and slidably arranged in a limiting sliding groove arranged at the bottom of the bottom plate, an upper sliding plate and an upper mounting plate which are hinged are arranged above the folding support frame, plastic film fixing devices are arranged at the upper end and the lower end of the folding support frame, and the plastic film fixing devices are used for fixing and blocking plastic films of paste.
Description
Technical Field
The invention relates to the field of goaf filling treatment, in particular to filling equipment for preventing mine goaf subsidence.
Background
The coal mine goaf refers to a cavity or cavity left after underground coal or coal gangue is mined in the coal mine operation process, the goafs can cause inconvenience for the movement of workers, and if the coal mine goaf is not reinforced and backfilled, the goaf can collapse after a long time, so that the ground subsides, and certain dangerousness exists.
Among the prior art, be "201920151233. X" as a patent application number and disclose a filling device for coal mine goaf, including device body and base, the side surface of device body is provided with the side opening, and the left and right sides of device body all is provided with the extension rod, the side surface mounting of extension rod has the through-hole, the upper surface of device body is provided with the race, and the lower bottom surface block of device body is connected with stand one, the left side swing joint of stand one has pivot one, and the left side of pivot one is provided with bull stick one, the side surface mounting of bull stick one has fixed orifices one, and the left port swing joint of bull stick one has curb plate one, the inboard swing joint of curb plate two has dead lever two, and the below of dead lever two is provided with fixed orifices two. Among the above-mentioned device, the assembly of spare part is too loaded down with trivial details, and the fastening of assembly portion, the fixed gap that exists of bottom plate produces easily not hard up, influences the filling effect.
Chinese patent application No. CN202023216969.2 discloses a coal mine goaf filling treatment device, which comprises a bottom plate, wherein four chutes are uniformly arranged on the upper side of the bottom plate, the chutes are fixedly connected with a fixed block, the chutes are slidably connected with a movable plate, the fixed block is provided with a rotating hole, a threaded bolt is rotatably connected in the rotating hole and is in threaded connection with the movable plate, a first boss is fixedly connected on the upper side of the bottom plate, a self-locking hole is arranged in the first boss, the self-locking block is slidably connected in the self-locking hole, a cylinder is arranged on the upper side of the bottom plate, a matching hole is arranged at the bottom of the cylinder and is matched with the first boss, a top plate is arranged on the upper side of the cylinder, a cavity is arranged in the top plate, a fixed hole is arranged on the lower side of the top plate, a second boss is arranged on the upper side of the cylinder, and corresponds to the fixed hole, the device moves and supports the side wall of the gob through the four moving blocks respectively, so that the effect of fixing the side wall of the irregular gob is achieved.
But this equipment only can its effect that supports the collecting space area, and this equipment has been located the collecting space area and has blockked the packing of waste rock lotion to the collecting space area lateral wall, need shift out the collecting space area with whole equipment when carrying out the waste rock lotion to the collecting space area and filling for this equipment can't support the collecting space area when the waste rock lotion is filled, has certain hidden danger of collapsing.
Disclosure of Invention
Based on this, it is necessary to provide a filling device for preventing the mine goaf from sinking, aiming at the problems of the prior art.
In order to solve the problems of the prior art, the invention adopts the technical scheme that:
a filling device for preventing a mine goaf from sinking comprises a bottom plate arranged on an ore digger, wherein a vertical upright post is arranged on the bottom plate, a folding support frame is arranged on one side of the bottom plate facing the goaf, a paste conveying pipeline is arranged on the folding support frame, the output end of the paste conveying pipeline faces the goaf, a lower sliding plate below the folding support frame is horizontally and slidably arranged in a limiting sliding chute arranged at the bottom of the bottom plate, an upper sliding plate and an upper mounting plate which are hinged are arranged above the folding support frame, the upper sliding plate is slidably arranged in a horizontal upper sliding sleeve arranged above the upright post, a plurality of first linear driving devices are fixedly arranged above the bottom plate and at the bottom of the upper sliding sleeve, the working ends of the first linear driving devices are arranged to move in the horizontal direction, the working ends of the first linear driving devices are fixedly connected with the folding support frame, and plastic film fixing devices are arranged at the upper end and the lower end of the folding support frame, the plastic film fixing device is used for fixing the plastic film for blocking the paste.
Preferably, the upper sliding sleeve of the stand column is provided with an inner cavity matched with the cross-sectional shape of the upper sliding plate, the upper sliding plate is horizontally inserted into the upper sliding sleeve, the bottom of the upper sliding plate is provided with at least one limiting block, and the limiting block is inserted into a first limiting groove which is arranged at the bottom of the upper sliding sleeve and is matched with the limiting block in width.
Preferably, the mounting panel one side is provided with articulated seat towards the upper mounting plate, the upper mounting plate is connected with the upper slide is articulated through the hinge of orientation upper slide one end, fixed mounting has the pneumatic cylinder on the lower slide, the working end setting of pneumatic cylinder moves in vertical direction, the working end of pneumatic cylinder sets up towards the top, be provided with first hinge on the working end of pneumatic cylinder, the first straight-bar cartridge of first articulated seat is in first hinge, the width direction level setting of last mounting panel is followed to first straight-bar, the both ends of first articulated seat are provided with outstanding spacing post, spacing cartridge of spacing post is in the second spacing groove that last mounting panel bottom both sides set up, the second spacing groove sets up along the length direction of last mounting panel.
Preferably, the lower sliding plate is connected with one end, close to the goaf, of the upper mounting plate through a first hinge force arm and a second hinge force arm, the bottom end of the first hinge force arm is hinged to two sides of the lower sliding plate, the top end of the second hinge force arm is hinged to two sides of the upper mounting plate, free ends of the first hinge force arm and the second hinge force arm are inserted into two ends of the shaft connecting rod, and the axis direction of the shaft connecting rod and the axis direction of the first hinge seat are in the same straight line.
Preferably, the cover is equipped with at least one connecting piece on the axle connecting rod, the one end of connecting piece fixed connection spring, the other end fixed mounting of spring is in the bottom of last mounting panel, and the upside of the articulated arm of force of second is provided with the limiting plate, and the upper surface level of the articulated arm of force of limiting plate laminating second extends to the top of the articulated arm of force of first.
Preferably, the bottom plate is provided with towards the lower sliding plate one side of folding support frame and dodges the groove, dodges the pneumatic cylinder setting of groove opening towards folding support frame, dodges the width in groove and is greater than the outer wall diameter of pneumatic cylinder.
Preferably, lotion pipeline includes first lotion pipeline and second lotion pipeline, first lotion pipeline sets up at the last sliding sleeve top of stand, first lotion pipeline is "T" type pipeline, the width direction level setting of last sliding sleeve is followed to first lotion pipeline's input, first lotion pipeline's input sets up towards folding support frame one side, second lotion pipeline fixed mounting is on folding support frame's last mounting panel, the length direction level setting of second lotion pipeline along last mounting panel, the output of first lotion pipeline and second lotion pipeline's input pass through the bellows and are connected.
Preferably, first lotion pipeline and second lotion pipeline pass through pipeline fixing device fixed mounting, and pipeline fixing device is including setting up a plurality of fixing base at last sliding sleeve and last mounting panel top, and the fixing base opening sets up relatively, and the articulated bottom of connecting the arc clamping piece in one side that the fixing base is relative, and the opening side of arc clamping piece sets up relatively, and the top of arc clamping piece is provided with the mounting hole, and the bolt cartridge is in the mounting hole, and threaded mounting has lock nut on the bolt, and lock nut is used for fixed both sides arc clamping piece.
Preferably, the top of going up the sliding sleeve is provided with first backup pad, and the top of going up the mounting panel is provided with the second backup pad, and first backup pad and second backup pad are located lotion pipeline's upside.
Preferably, plastic film fixing device comprises lower plate and punch holder, and the lower plate is fixed mounting respectively at the last mounting panel of folding support frame and the one end of lower slide towards the collecting space area, and the screw rod cartridge at the upper plate through both ends is in the plug-in mounting hole of lower plate, and the fixed punch holder of spiral installation fixation nut on the screw rod, and one side of the relative punch holder of lower plate is provided with the dogtooth that a plurality of equidistant range, and one side of the relative lower plate of punch holder is provided with the recess identical with the dogtooth.
Compared with the prior art, the beneficial effect of this application is:
1. according to the invention, the folding support frame is arranged on one side of the mining machine to adjustably support the goaf, the folding support frame can be in a folding state, so that the folding support frame can conveniently enter a mine pit, or the ore can be directionally moved when the left ore on the upper side of the goaf is mined, and when the folding support frame is completely unfolded in a horizontal state, the transverse movement of the folding support frame in the horizontal direction is controlled by the first linear driving device on the bottom plate, so that the contact area between the folding support frame and the goaf is enlarged, the support effect on the goaf is improved, and the folding support frame can be driven to contract towards the bottom plate direction by the first linear driving device, so that the goaf pouring volume is enlarged, and the goaf filling efficiency is accelerated.
2. According to the invention, the first hinge force arm, the second hinge force arm and the two ends of the upper mounting plate are arranged on the two sides of the lower sliding plate, and when the upper mounting plate is horizontal, the first hinge force arm and the second hinge force arm are kept in a horizontal state to form a triangular support structure, so that the capacity of the folding support frame for supporting a goaf is improved.
3. The invention provides power for the upward movement of the shaft connecting rod connecting the first hinge force arm and the second hinge force arm through the elasticity of the spring, and the second hinge force arm is provided with a limiting plate which is attached to the upper side surface of the first hinge force arm when the first hinge force arm and the second hinge force arm are kept horizontal, so that the second hinge force arm and the first hinge force arm are prevented from being folded reversely.
4. The folding support frames are transversely connected with the paste conveying pipelines on the folding support frames through the T-shaped first paste conveying pipelines, so that the waste rock paste can be conveyed to all the first paste conveying pipelines, and the corrugated pipe arranged between the first paste conveying pipeline and the second paste conveying pipeline is convenient for the paste conveying pipelines to stretch along with the movement of the folding support frames.
5. The side of the plastic film is fixedly clamped by the lower clamping plate and the upper clamping plate, and the side of the lower clamping plate, which is opposite to the upper clamping plate, is provided with the convex teeth and the grooves to increase the contact area with the plastic film, so that the fixing effect on the plastic film is enhanced.
Drawings
FIG. 1 is a front view of the present application;
FIG. 2 is a first perspective view of the present application;
FIG. 3 is a second perspective view of the present application;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
FIG. 5 is a side view of the present application;
FIG. 6 is a cross-sectional view taken at B-B of FIG. 5;
FIG. 7 is an exploded perspective view of the folding support of the present application;
fig. 8 is a perspective view of the paste delivery conduit of the present application;
FIG. 9 is an enlarged view of a portion of FIG. 8 at C;
FIG. 10 is an exploded perspective view of the plastic film fixture of the present application;
the reference numbers in the figures are:
1-a bottom plate; 1 a-a limit chute; 1 b-a first linear drive; 1 c-an avoidance slot;
2-upright post; 2 a-upper sliding sleeve; 2a 1-first retaining groove; 2a 2-first support plate;
3-folding the support frame; 3 a-lower slide plate; 3 b-upper sliding plate; 3b 1-stop block; 3b 2-hinge seat; 3 c-an upper mounting plate; 3c1 — hinge joint; 3c 2-a second restraint slot; 3c 3-second support plate; 3 d-hydraulic cylinder; 3d1 — first joint; 3 e-a first articulated mount; 3e 1-first straight bar; 3e 2-limit post; 3 f-a first articulation moment arm; 3 g-a second articulation moment arm; 3g 1-limiting plate; 3 h-shaft connecting rod; 3h 1-connector; 3h 2-spring;
4-paste delivery pipe; 4 a-a first paste delivery conduit; 4 b-a second paste delivery pipeline; 4 c-a bellows; 4 d-a pipeline fixing device; 4d 1-fixed seat; 4d 2-arc clip; 4d 3-mounting holes; 4d 4-bolt; 4d 5-lock nut;
5-plastic film fixing device; 5 a-lower splint; 5a 1-insertion hole; 5a 2-lobes; 5 b-upper splint; 5b 1-screw; 5b2 — fixing nut; 5b 3-groove.
Detailed Description
For a better understanding of the features and technical solutions of the present invention, as well as the specific objects and functions attained by the present invention, reference is made to the accompanying drawings and detailed description of the invention.
As shown in fig. 1 to 10, the present application provides:
a filling device for preventing mine goaf sinking comprises a bottom plate 1 arranged on an ore-digging machine, wherein a vertical upright post 2 is arranged on the bottom plate 1, a folding support frame 3 is arranged at one side of the bottom plate 1 facing the goaf, a paste conveying pipeline 4 is arranged on the folding support frame 3, the output end of the paste conveying pipeline 4 is arranged facing the goaf, a lower sliding plate 3a below the folding support frame 3 is horizontally and slidably arranged in a limiting sliding chute 1a arranged at the bottom of the bottom plate 1, an upper sliding plate 3b and an upper mounting plate 3c which are hinged are arranged above the folding support frame 3, an upper sliding plate 3b is slidably arranged in a horizontal upper sliding sleeve 2a arranged above the upright post 2, a plurality of first linear driving devices 1b are fixedly arranged above the bottom plate 1 and at the bottom of the upper sliding sleeve 2a, the working ends of the first linear driving devices 1b are arranged to move in the horizontal direction, and the working ends of the first linear driving devices 1b are fixedly connected with the folding support frame 3, the upper end and the lower end of the folding support frame 3 are both provided with plastic film fixing devices 5, and the plastic film fixing devices 5 are used for fixing plastic films for blocking paste.
Based on the embodiment, the technical problem that the application wants to solve is how to make goaf filling equipment not block the filling area when the paste is filled and can still keep the fixed effect on the goaf when the paste is filled so as to prevent the situation that the subsidence appears when the waste rock paste is filled from occurring. Therefore, the folding support frame 3 can move along with the movement of the hole digging machine through the fixed connection of the bottom plate 1 and one side of the hole digging machine, the upper sliding sleeve 2a is arranged at the top of the upright post 2 and is matched with the limiting sliding chute 1a at the bottom of the bottom plate 1 to slidably install the folding support frame 3, the upper sliding plate 3b at the upper side of the folding support frame 3 is hinged with the upper mounting plate 3c, so that the folding support frame 3 can be in a folded state when entering a pit, the folding support frame 3 can conveniently enter, or the folding support frame can be in a downward inclined state when mining the left-over ores at the upper side of a goaf, the directional movement of the ores is realized, when the top of the folding support frame 3 is in a horizontal state, the first linear driving device 1b on the bottom plate 1 controls the horizontal moving direction of the folding support frame 3, thereby the contact area between the folding support frame 3 and the goaf is enlarged, and the support effect on the goaf is improved, install lotion pipeline 4 on the folding support frame 3, the waste rock of paste can be through the pipeline connection lotion pipeline 4 in the pit, and water to the collecting space area of folding support frame 3 department isolation through lotion pipeline 4, the upper and lower both ends of folding support frame 3 are provided with plastic film fixing device 5 of fixed plastic film, form the barrier film when folding support frame 3 supports the collecting space area between convenient, the convenient packing to the collecting space area, when filling the waste rock lotion, first linear drive device 1b drives folding support frame 3 and contracts to bottom plate 1 direction, thereby the collecting space area volume of pouring has been enlarged, the efficiency of filling to the collecting space area has been accelerated, in this embodiment, first linear drive device 1b can be pneumatic cylinder or cylinder etc..
Further, as shown in fig. 3 and 4:
the upper sliding sleeve 2a of the upright post 2 is provided with an inner cavity matched with the section shape of the upper sliding plate 3b, the upper sliding plate 3b is horizontally inserted in the upper sliding sleeve 2a, the bottom of the upper sliding plate 3b is provided with at least one limiting block 3b1, and the limiting block 3b1 is inserted in a first limiting groove 2a1 which is arranged at the bottom of the upper sliding sleeve 2a and is matched with the limiting block 3b1 in width.
Based on the above embodiments, the technical problem that the present application intends to solve is how to ensure the stable movement of the folding support 3 in the horizontal direction. Therefore, the mounting plate is fixedly connected with the lower sliding plate 3a and the upper sliding plate 3b of the folding support frame 3 through the first linear driving device 1b, the lower sliding plate 3a is inserted into the limiting sliding groove 1a of the bottom plate 1 in a limiting mode, the upper sliding plate 3b is inserted into the upper sliding sleeve 2a in a limiting mode, the upper sliding plate 3b is provided with a limiting block 3b1 in a limiting mode and is installed in a first limiting groove 2a1 formed in the lower portion of the upper sliding sleeve 2a in a limiting mode, the upper end and the lower end of the folding support frame 3 are limited, the stability of the folding support frame 3 moving in the horizontal direction is guaranteed, and the working end of the first linear driving device 1b is protected from being stressed and bent.
Further, as shown in fig. 7:
the side of the upper sliding plate 3b, which faces the upper mounting plate 3c, is provided with a hinged seat 3b2, the upper mounting plate 3c is hinged with the upper sliding plate 3b through a hinged joint 3c1, which faces one end of the upper sliding plate 3b, the lower sliding plate 3a is fixedly provided with a hydraulic cylinder 3d, the working end of the hydraulic cylinder 3d moves in the vertical direction, the working end of the hydraulic cylinder 3d faces upward, the working end of the hydraulic cylinder 3d is provided with a first hinged joint 3d1, a first straight rod 3e1 of the first hinged seat 3e is inserted into the first hinged joint 3d1, the first straight bar 3e1 is horizontally arranged along the width direction of the upper mounting plate 3c, the two ends of the first hinge seat 3e are provided with protruding limiting columns 3e2, the limiting columns 3e2 are inserted into second limiting grooves 3c2 arranged on the two sides of the bottom of the upper mounting plate 3c in a limiting mode, and the second limiting grooves 3c2 are arranged along the length direction of the upper mounting plate 3 c.
Based on the above embodiments, the technical problem that the present application intends to solve is how to realize the folding effect of the folding support 3 itself. For this purpose, in the present application, the upper mounting plate 3c is supported by fixedly mounting a hydraulic cylinder 3d on the lower sliding plate 3a, a first hinge head 3d1 is provided on the working end of the hydraulic cylinder 3d, a first hinge base 3e hinge-mounted on a first hinge head 3d1 is slidably mounted in a second hinge groove 3c2 provided on both sides of the bottom of the upper mounting plate 3c through a hinge post 3e2 at both ends, when the working end of the hydraulic cylinder 3d moves up and down, the first hinge base 3e is driven to slide in the second hinge groove 3c2, so that the upper mounting plate 3c rotates around the hinge axis of the upper sliding plate 3b and the upper mounting plate 3c, in this embodiment, the hydraulic cylinder 3d is provided below one end of the upper mounting plate 3c close to the upper sliding plate 3b, the working end of the hydraulic cylinder 3d moves up to support the upper mounting plate 3c up, so as to support the upper mounting plate above the goaf, when the working end of the hydraulic cylinder 3d moves down, the upper mounting plate 3c is rotated and folded downward by the pulling force of the first hinge base 3e to the upper mounting plate 3 c.
Further, as shown in fig. 5 to 7:
the lower sliding plate 3a is connected with one end, close to the goaf, of the upper mounting plate 3c through a first hinged force arm 3f and a second hinged force arm 3g, the bottom end of the first hinged force arm 3f is hinged to the two sides of the lower sliding plate 3a, the top end of the second hinged force arm 3g is hinged to the two sides of the upper mounting plate 3c, the free ends of the first hinged force arm 3f and the second hinged force arm 3g are inserted at the two ends of the shaft connecting rod 3h, and the axis direction of the shaft connecting rod 3h and the axis direction of the first hinged seat 3e are on the same straight line.
Based on the above embodiments, the technical problem to be solved by the present application is how to improve the supporting effect on the upper mounting plate 3c and improve the safety. Therefore, the first hinge force arm 3f and the second hinge force arm 3g are arranged on two sides of the lower sliding plate 3a and connected with two ends of the upper mounting plate 3c, one end of the first hinge force arm 3f and one end of the second hinge force arm 3g are respectively connected with the lower sliding plate 3a and the upper mounting plate 3c in a hinged mode, the first hinge force arm 3f and the second hinge force arm 3g are connected with the other end of the lower sliding plate 3a and the other end of the upper mounting plate 3c in a plug-in mode through the shaft connecting rod 3h, when the upper mounting plate 3c is folded in a rotating mode, the first hinge force arm 3f and the second hinge force arm 3g rotate relatively, the lower sliding plate 3a and the upper mounting plate 3c are folded inwards, the folding effect of the folding support frame 3 is guaranteed, when the upper mounting plate 3c is supported by the hydraulic cylinder 3d to be in a horizontal state, the first hinge force arm 3f and the second hinge force arm 3g are kept in a horizontal state, and the far end of the upper mounting plate 3c is closer to the inside a goaf, so that the first hinge force arm 3f and the second hinge force arm 3g are connected with two ends of the lower sliding plate 3a and the upper mounting plate 3c in an inclined mode And a triangular supporting structure is formed, so that the capacity of the folding supporting frame 3 for supporting the gob is improved.
Further, as shown in fig. 5 to 7:
the cover is equipped with at least one connecting piece 3h1 on the axle connecting rod 3h, and connecting piece 3h1 fixed connection spring 3h 2's one end, spring 3h 2's other end fixed mounting is in the bottom of last mounting panel 3c, and the upside of the articulated arm of force 3g of second is provided with limiting plate 3g1, and the upper surface level of limiting plate 3g1 laminating second articulated arm of force 3g extends to the top of the articulated arm of force 3f of first.
Based on the above embodiments, the technical problem that the present application intends to solve is how to prevent the reverse folding of the first and second hinge force arms 3f and 3g when the folding support frame 3 is folded. Therefore, the two connecting pieces 3h1 are sleeved on a shaft connecting rod 3h inserted with one end of a first hinge force arm 3f and one end of a second hinge force arm 3g, the bottom of an upper mounting plate 3c is provided with one end fixedly connected with a spring 3h2 through a hanging ring, the other end of the spring 3h2 is connected with a connecting piece 3h1, the power for upward movement of the shaft connecting rod 3h is provided through the elasticity of the spring 3h2, when the upper mounting plate 3c keeps a horizontal state, a hydraulic cylinder 3d overcomes the elasticity of the spring 3h2, when the working end of the hydraulic cylinder 3d moves downward, the shaft connecting rod 3h moves upward under the action of the spring 3h2 so as to drive the first hinge force arm 3f and the second hinge force arm 3g to directionally fold downward towards the inner parts of a sliding plate 3a and the upper mounting plate 3c, meanwhile, a limit plate 3g1 is arranged on the second hinge force arm 3g1, and the limit plate 3g1 is attached to the upper side surface of the first hinge force arm 3f and the second hinge force arm 3g to keep the horizontal state, the second hinge moment arm 3g and the first hinge moment arm 3f are prevented from being folded reversely, and the supporting capability of the first hinge moment arm 3f and the second hinge moment arm 3g to the upper mounting plate 3c is also enhanced.
Further, as shown in fig. 2:
the bottom plate 1 is provided with dodge groove 1c towards the gliding plate 3a one side of folding support frame 3, dodges groove 1c opening and sets up towards the pneumatic cylinder 3d of folding support frame 3, dodges the width in groove 1c and is greater than the outer wall diameter of pneumatic cylinder 3 d.
Based on the above embodiment, the avoidance groove 1c is formed in one side of the bottom plate 1 facing the folding support frame 3, so that the hydraulic cylinder 3d of the folding support frame 3 is avoided when the first linear driving device 1b drives the folding support frame 3 to contract towards the bottom plate 1, and a larger moving range of the folding support frame 3 is realized.
Further, as shown in fig. 8 and 9:
Based on the above embodiment, the technical problem that this application wants to solve is how to carry the waste rock lotion of processing to the collecting space area on the well to pack with lotion pipeline 4. For this purpose, the folding support frames 3 of the present application can be installed side by side on all the mining machines, and the paste conveying pipelines 4 on each folding support frame 3 are transversely connected through the first paste conveying pipelines 4a of the T shape, so that the gangue paste can be conveyed into all the first paste conveying pipelines 4a, the waste rock paste body enters a rectangular filling area at a separation position of a plastic film fixed at one end of a folding support frame 3 in the goaf from top to bottom during filling, and the folding support frame 3 can horizontally move to expand the filling area, therefore, the corrugated pipe 4c is arranged between the first paste conveying pipeline 4a and the second paste conveying pipeline 4b, so that the paste conveying pipeline 4 can stretch along with the movement of the folding support frame 3.
Further, as shown in fig. 8 and 9:
Based on the above embodiments, the technical problem to be solved by the present application is how to fixedly mount the first paste delivery pipe 4a and the second paste delivery pipe 4 b. Therefore, the first paste conveying pipeline 4a and the second paste conveying pipeline 4b are fixed through the pipeline fixing device 4d, the pipeline fixing device 4d comprises arc-shaped clamping pieces 4d2 which are hinged to fixing seats 4d1 on two sides, during installation, a worker opens the arc-shaped clamping pieces 4d2 to place the first paste conveying pipeline 4a or the second paste conveying pipeline 4b into the arc-shaped clamping pieces, and the first paste conveying pipeline 4a and the second paste conveying pipeline 4b are fixedly clamped by matching with locking nuts 4d5 in mounting holes 4d3 which are inserted into the tops of the two arc-shaped clamping pieces 4d2 through bolts 4d4, so that the first paste conveying pipeline 4a and the second paste conveying pipeline 4b are stably installed.
Further, as shown in fig. 2:
the top of the upper sliding sleeve 2a is provided with a first supporting plate 2a2, the top of the upper mounting plate 3c is provided with a second supporting plate 3c3, and the first supporting plate 2a2 and the second supporting plate 3c3 are positioned on the upper side of the paste conveying pipeline 4.
Based on the above embodiment, the technical problem that the present application intends to solve is how to prevent the paste delivery pipe 4 from being damaged by contacting with the top of the mine hole. For this reason, this application realizes the support to the collecting space through setting up first backup pad 2a2 and going up the mounting panel 3c3 and setting up the support of second backup pad 3c3 at the top of last sliding sleeve 2a, thereby first backup pad 2a2 and second backup pad 3c3 bottom set up the stabilizer blade and form the installation space of lotion pipeline 4 between last sliding sleeve 2a and first backup pad 2a2 and second backup pad 3c3 and last mounting panel 3c, avoid causing the destruction to lotion pipeline 4.
Further, as shown in fig. 10:
the plastic film fixing device 5 comprises a lower clamping plate 5a and an upper clamping plate 5b, the lower clamping plate 5a is fixedly installed at one end, facing the goaf, of an upper installation plate 3c and a lower clamping plate 3a of the folding support frame 3 respectively, the upper clamping plate 5b is inserted into an insertion hole 5a1 of the lower clamping plate 5a through screws 5b1 at two ends, a fixing nut 5b2 is spirally installed on a screw 5b1 to fix the upper clamping plate 5b, one side, opposite to the upper clamping plate 5b, of the lower clamping plate 5a is provided with a plurality of convex teeth 5a2 which are arranged at equal intervals, and one side, opposite to the lower clamping plate 5a, of the upper clamping plate 5b is provided with a groove 5b3 which is matched with the convex teeth 5a 2.
Based on the above-described embodiments, the technical problem that the present application intends to solve is how to fix the plastic film by the plastic film fixing device 5. For this reason, the plastic film fixing device 5 of this application fixes the centre gripping through the avris of lower plate 5a and punch holder 5b to the plastic film, thereby lower plate 5a is provided with dogtooth 5a2 and recess 5b3 increase and the fixed effect of plastic film with the area of contact of plastic film with punch holder 5b relative one side, the plastic film can vertically install splice at the upper and lower both ends of single folding support frame 3, also can transversely set up and fix with plastic film fixing device 5 on whole folding support frame 3.
The above examples, which are intended to represent only one or more embodiments of the present invention, are described in greater detail and with greater particularity, and are not to be construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A filling device for preventing mine goaf sinking comprises a bottom plate (1) arranged on an ore digging machine, wherein a vertical upright post (2) is arranged on the bottom plate (1), and is characterized in that a folding support frame (3) is arranged on one side of the bottom plate (1) facing the goaf, a paste conveying pipeline (4) is arranged on the folding support frame (3), the output end of the paste conveying pipeline (4) is arranged facing the goaf, a lower sliding plate (3a) below the folding support frame (3) is horizontally and slidably arranged in a limiting sliding chute (1a) arranged at the bottom of the bottom plate (1), an upper sliding plate (3b) and an upper mounting plate (3c) which are hinged and connected are arranged above the folding support frame (3), an upper sliding sleeve (2a) which is horizontally arranged above the upright post (2) is slidably arranged on the upper sliding plate (3b), a plurality of first linear driving devices (1b) are fixedly arranged above the bottom plate (1) and at the bottom of the upper sliding sleeve (2a), the working end of the first linear driving device (1b) moves in the horizontal direction, the working end of the first linear driving device (1b) is fixedly connected with the folding support frame (3), the upper end and the lower end of the folding support frame (3) are both provided with plastic film fixing devices (5), and the plastic film fixing devices (5) are used for fixing plastic films for blocking paste.
2. The filling equipment for preventing the mine goaf from sinking according to claim 1, wherein the upper sliding sleeve (2a) of the upright post (2) is provided with an inner cavity matched with the cross-sectional shape of the upper sliding plate (3b), the upper sliding plate (3b) is horizontally inserted into the upper sliding sleeve (2a), the bottom of the upper sliding plate (3b) is provided with at least one limiting block (3b1), and the limiting block (3b1) is inserted into a first limiting groove (2a1) which is arranged at the bottom of the upper sliding sleeve (2a) and is matched with the width of the limiting block (3b 1).
3. The filling equipment for preventing the mine goaf from sinking according to claim 1, wherein a hinge seat (3b2) is arranged on one side of the upper sliding plate (3b) facing the upper mounting plate (3c), the upper mounting plate (3c) is hinged with the upper sliding plate (3b) through a hinge joint (3c1) facing one end of the upper sliding plate (3b), a hydraulic cylinder (3d) is fixedly mounted on the lower sliding plate (3a), the working end of the hydraulic cylinder (3d) is arranged to move in the vertical direction, the working end of the hydraulic cylinder (3d) faces upward, a first hinge joint (3d1) is arranged on the working end of the hydraulic cylinder (3d), a first straight rod (3e1) of the first hinge seat (3e) is inserted into the first hinge joint (3d1), a first straight rod (3e1) is horizontally arranged along the width direction of the upper mounting plate (3c), and protruding limit columns (3e2) are arranged at two ends of the first hinge seat (3e), the limiting column (3e2) is inserted into second limiting grooves (3c2) arranged on two sides of the bottom of the upper mounting plate (3c) in a limiting mode, and the second limiting grooves (3c2) are arranged along the length direction of the upper mounting plate (3 c).
4. The filling equipment for preventing the mine goaf from sinking according to the claim 3, wherein the lower sliding plate (3a) and one end of the upper mounting plate (3c) close to the goaf are connected through a first hinge force arm (3f) and a second hinge force arm (3g), the bottom end of the first hinge force arm (3f) is hinged to two sides of the lower sliding plate (3a), the top end of the second hinge force arm (3g) is hinged to two sides of the upper mounting plate (3c), the free ends of the first hinge force arm (3f) and the second hinge force arm (3g) are inserted into two ends of a shaft connecting rod (3h), and the axial direction of the shaft connecting rod (3h) and the axial direction of the first hinge seat (3e) are on the same straight line.
5. The filling equipment for preventing the mine goaf from sinking according to claim 4, wherein at least one connecting piece (3h1) is sleeved on the shaft connecting rod (3h), the connecting piece (3h1) is fixedly connected with one end of the spring (3h2), the other end of the spring (3h2) is fixedly installed at the bottom of the upper installation plate (3c), a limiting plate (3g1) is arranged on the upper side of the second hinged force arm (3g), and the upper surface of the limiting plate (3g1) attached to the second hinged force arm (3g) horizontally extends to the upper side of the first hinged force arm (3 f).
6. The filling equipment for preventing the subsidence of the mined-out area of the mine according to claim 4, characterized in that an avoiding groove (1c) is formed in one side of the bottom plate (1) facing the lower sliding plate (3a) of the folding support frame (3), the opening of the avoiding groove (1c) is formed facing the hydraulic cylinder (3d) of the folding support frame (3), and the width of the avoiding groove (1c) is greater than the diameter of the outer wall of the hydraulic cylinder (3 d).
7. The filling equipment for preventing the mine goaf from sinking according to claim 1, wherein the paste conveying pipeline (4) comprises a first paste conveying pipeline (4a) and a second paste conveying pipeline (4b), the first paste conveying pipeline (4a) is arranged at the top of the upper sliding sleeve (2a) of the stand column (2), the first paste conveying pipeline (4a) is a T-shaped pipeline, the input end of the first paste conveying pipeline (4a) is horizontally arranged along the width direction of the upper sliding sleeve (2a), the input end of the first paste conveying pipeline (4a) is arranged towards one side of the folding support frame (3), the second paste conveying pipeline (4b) is fixedly arranged on the upper mounting plate (3c) of the folding support frame (3), the second paste conveying pipeline (4b) is horizontally arranged along the length direction of the upper mounting plate (3c), the output end of the first paste conveying pipeline (4a) and the input end of the second paste conveying pipeline (4b) are arranged horizontally Connected by a bellows (4 c).
8. The filling equipment for preventing the mine goaf from sinking according to claim 7, wherein the first paste delivery pipeline (4a) and the second paste delivery pipeline (4b) are fixedly installed through a pipeline fixing device (4d), the pipeline fixing device (4d) comprises a plurality of fixing seats (4d1) arranged at the tops of the upper sliding sleeve (2a) and the upper mounting plate (3c), the openings of the fixing seats (4d1) are oppositely arranged, one side of the fixing seat (4d1) opposite to the fixing seat is hinged and connected with the bottom end of the arc-shaped clamping piece (4d2), the opening sides of the arc-shaped clamping piece (4d2) are oppositely arranged, the top of the arc-shaped clamping piece (4d2) is provided with a mounting hole (4d3), a bolt (4d4) is inserted into the mounting hole (4d3), and a locking nut (4d5) is spirally arranged on the bolt (4d4), and the locking nut (4d5) is used for fixing the arc-shaped clamping pieces (4d2) at two sides.
9. The filling apparatus for preventing the mining gob from sinking in the mine according to claim 1, wherein the upper slide sleeve (2a) is provided at the top with a first support plate (2a2), the upper mounting plate (3c) is provided at the top with a second support plate (3c3), and the first support plate (2a2) and the second support plate (3c3) are located at the upper side of the paste delivery pipe (4).
10. A filling apparatus for preventing sinking of a mined-out area of a mine according to claim 1, it is characterized in that the plastic film fixing device (5) consists of a lower splint (5a) and an upper splint (5b), the lower splint (5a) is respectively and fixedly installed on an upper installation plate (3c) of the folding support frame (3) and one end of the lower sliding plate (3a) facing to the goaf, the upper splint (5b) is inserted in an insertion hole (5a1) of the lower splint (5a) through screw rods (5b1) at two ends, the screw (5b1) is spirally provided with a fixing nut (5b2) to fix the upper splint (5b), one side of the lower splint (5a) relative to the upper splint (5b) is provided with a plurality of convex teeth (5a2) which are arranged at equal intervals, and one side of the upper splint (5b) relative to the lower splint (5a) is provided with a groove (5b3) which is matched with the convex teeth (5a 2).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210134916.0A CN114483175B (en) | 2022-02-14 | 2022-02-14 | Filling equipment for preventing mine goaf from sinking |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210134916.0A CN114483175B (en) | 2022-02-14 | 2022-02-14 | Filling equipment for preventing mine goaf from sinking |
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| CN114483175A true CN114483175A (en) | 2022-05-13 |
| CN114483175B CN114483175B (en) | 2023-05-30 |
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| CN212614814U (en) * | 2020-06-01 | 2021-02-26 | 郑州合新科技有限公司 | Front-rear filling hydraulic support |
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| CN112746846A (en) * | 2021-02-05 | 2021-05-04 | 中煤科工集团西安研究院有限公司 | Non-settling coal mining method and device for mining and filling parallel with ground directional long drill hole |
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|---|---|---|---|---|
| CN101187311A (en) * | 2007-11-27 | 2008-05-28 | 刘兴才 | Coal mine self-moving type filling counterfort machine |
| CN102704996A (en) * | 2012-06-12 | 2012-10-03 | 中国矿业大学 | Side dumping filling conveyor |
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| CN114483175B (en) | 2023-05-30 |
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