CN109915192B - Underground coal mine hydraulic support unloading and steering in-place platform - Google Patents
Underground coal mine hydraulic support unloading and steering in-place platform Download PDFInfo
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- CN109915192B CN109915192B CN201910362328.0A CN201910362328A CN109915192B CN 109915192 B CN109915192 B CN 109915192B CN 201910362328 A CN201910362328 A CN 201910362328A CN 109915192 B CN109915192 B CN 109915192B
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- 239000003245 coal Substances 0.000 title claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 241000405070 Percophidae Species 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims description 27
- 210000001503 joint Anatomy 0.000 claims description 21
- 230000003068 static effect Effects 0.000 claims description 14
- 241000272525 Anas platyrhynchos Species 0.000 claims description 11
- 238000009434 installation Methods 0.000 abstract description 10
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Abstract
The invention relates to the technical field of coal mine underground hydraulic support installation work, in particular to unloading, steering and positioning of the coal mine underground hydraulic support installation work. Including the base, set up a set of relative parallel fork jar that pushes away on the base, push away fork jar one end and push away fixed duckbill fixed connection of fork jar on the base, push away the fork jar other end and be connected with the fork through the piston rod, fork accessible piston rod stretch out and draw back outside the base, be equipped with the carousel on being close to the base between two fork jar inner walls and slide the base, the carousel slides the base center and is equipped with rotary mechanism, the revolving stage setting is on rotary mechanism. According to the invention, unloading and steering landing of the hydraulic support at an underground installation site can be realized rapidly, the installation speed of the hydraulic support in place is greatly improved, and labor force is saved; the telescopic rail function of the oversleeve rail is adopted, so that the defects that a section of rail is retracted every set of hydraulic supports in place in the existing transportation mode, the operation is frequent and laborious are overcome, and the working efficiency is improved.
Description
Technical Field
The invention relates to the technical field of coal mine underground hydraulic support installation work, in particular to unloading, steering and positioning of the coal mine underground hydraulic support installation work.
Background
The existing hydraulic support is pulled to a wedge-shaped table from a flat car through a slow winch to land, and then is pulled to turn into position on the floor through the slow winch. In the process, the trolley and the wedge-shaped table are not well fixed when the hydraulic support slides from the trolley to the wedge-shaped table, the sliding speed of the hydraulic support from the wedge-shaped table cannot be controlled, and the hydraulic support often falls down. The efficiency is low, the labor intensity of workers is high, and the safety cannot be ensured.
Existing modes of transportation when equipment is in place the hydraulic rack, each set of hydraulic rack equipment in place must be backed up one hydraulic rack width. The track for transporting the hydraulic support is shortened, the track is made to be the same as the hydraulic support in width, and thus a group of hydraulic supports in place is retracted for a section of track, so that the track is frequently operated and laborious.
Disclosure of Invention
In view of the defects of the technology, the invention aims to provide an integrated platform for unloading and steering in-place placement of a hydraulic support in a coal mine, which can rapidly realize unloading/steering in-place placement of the hydraulic support at an underground installation site. Greatly improves the installation speed of the hydraulic support in place, saves labor force and ensures safety.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
colliery is hydraulic support in pit unloaded, turns to platform of taking one's place, its characterized in that: the double-telescopic-cylinder-head duck bill pushing device comprises a base and a group of relatively parallel pushing fork cylinders arranged on the base, wherein one end of each pushing fork cylinder is fixedly connected to the base through a pushing fork cylinder fixing duck bill, the other end of each pushing fork cylinder is connected with a fork through a piston rod, the fork can extend out of the base through the extension of the piston rod, a turntable sliding base is arranged on the base close to the space between the inner walls of the two pushing fork cylinders, a rotating mechanism is arranged at the center of the turntable sliding base, a group of turntable sliding base telescopic cylinders are arranged on two sides of the upper end of the turntable sliding base in parallel, a double-telescopic-cylinder-head duck bill is fixedly arranged on the turntable sliding base, a double-telescopic-cylinder fixing duck bill is arranged on the base close to the double-telescopic-cylinder-head duck bill, and the double-telescopic-cylinder is arranged between the double-telescopic-cylinder fixing duck bills; the two sides of the double telescopic cylinders are provided with a butting rotary table rail cylinder, the outer side of the base is provided with a sleeve rail, the outer side wall of the butting rotary table rail cylinder is connected with the sleeve rail through a duckbill; a first lifting frame is fixedly arranged on one side of the base along the axial direction, and a second lifting frame is arranged on the rotary table in the opposite direction of the first lifting frame; the sleeve rail stretches out and draws back to enable the heavy truck of the flat transport truck to reach (or leave from) the center of the turntable.
Further, the sleeve rail comprises an ore transportation rail, a group of sleeve rail moving rails, a group of sleeve rail static rails, sleeve rail sliding seats and sleeve rail bottom plates, one ends of the sleeve moving rails extend to the upper end of the base, the inner walls of the two sleeve rail moving rails, which are close to each other, are respectively connected through a butt joint turntable rail oil cylinder, sleeve moving rail sliding seats are arranged on the outer walls of the two sleeve moving rails, and the sleeve rail static rails are arranged in the sleeve rail sliding seats; a connecting plate is arranged between the inner walls of the two sleeve rails, which are close to each other; the connecting plate is provided with a group of fixed duckbilled, and a piston rod of the butt joint turntable track cylinder is connected to the connecting plate through the fixed duckbilled; one end of the sleeve rail static rail in the sliding direction is in butt joint with the ore transportation rail, and the sleeve rail static rail is fixed on the ground.
The sleeve rail is connected with the ore transportation rail (static rail) and the butting turntable rail (movable rail). The hydraulic support carried by the docking turntable rail cylinder shrinkage flat-plate transportation vehicle can be transported to the turntable through an ore transportation rail, a sleeve rail and a docking rail. When the hydraulic support is lifted by the lifting frame, the empty flatbed is transported away again through the rail system. After the empty car is transported away, the oil cylinder of the butting turntable track stretches out, and the turntable butting track is separated from the turntable, so that the rotating space of the turntable is ensured.
The oversleeve track has a telescopic track function: when the device is in position with a group of hydraulic supports, the device moves backwards by one hydraulic support width, and the sleeve rail is shortened; after a plurality of groups of hydraulic supports are positioned, the track stored in the sleeve track is longer than one track retracted when the track is normally transported in one mine.
Further, the distance of one end of the sleeve rail close to the base direction is a butting rotary table rail part, the butting rotary table rail is arranged in the butting rotary table rail seat, and the sleeve rail bottom plate and the butting rotary table rail seat are connected together through connecting lugs.
The butt joint carousel track: the hydraulic support carried by the in-mine flat transport vehicle must be transported to the turntable for unloading the hydraulic support. Since the turntable is square, the docking track must leave the turntable when rotating; the butt joint turntable track is an action track which can butt joint the track on the turntable and leave the turntable.
Further, the rotating mechanism comprises a group of turntable rotating oil cylinders, turntable bearings and a turntable rotating chain, the tail ends of the turntable rotating oil cylinders are fixed through the tail fixing duckbilled parts of the turntable rotating oil cylinders, and the other ends of the turntable rotating oil cylinders are connected to a rotating cylinder head wheel frame; the rotary table sliding seat board opposite to the rotary oil cylinder tail fixed duckbilled is provided with a group of chain fixing clamps, the inner walls close to the two chain fixing clamps are respectively provided with a fixed guide wheel, the rotary table rotary chain bypasses the rotary table bearing, and the two ends of the rotary table rotary chain sequentially pass through the fixed guide wheels and the rotary cylinder head wheel frame after bypassing the rotary table bearing and are connected to the chain fixing clamps.
The rotary disk on the rotary bearing is driven by the roller and the chain through the roller and the chain. The roller wheel can rotate 90 degrees when amplifying one time of the chain travel turntable.
Further, the turntable rotating oil cylinders are symmetrically arranged on two sides of the turntable bearing, and the arrangement direction of the turntable rotating oil cylinders is perpendicular to the turntable sliding base.
Further, the rotary table is of a square structure, and the edge of the rotary table close to one side of the second lifting frame is fixedly connected with the second lifting frame through bolts; the upper end surface of the rotary table is provided with a first track groove and a second track groove; the track gauge of the first track groove is 600mm, and the track gauge of the second track groove is 900mm; the thickness of the rotary table is 70mm; the flat-bed transport vehicle can be guaranteed to be transited to the rotating table only when the sleeve rail moves to be in butt joint with the first rail groove on the rotating table.
Further, the number of the two forks is 2, and the two forks are parallel to each other, the outer surfaces of the tail ends of the two forks are provided with one-way clamping plates, the outer sides of the one-way clamping plates are provided with one-way clamping plate fixing frames, and one-way clamping plate springs are arranged between the one-way clamping plates and the one-way clamping plate fixing frames; the unidirectional clamping plate is connected with the unidirectional clamping plate fixing frame through a shaft, and the unidirectional clamping plate spring is wound on the shaft of the unidirectional clamping plate and the unidirectional clamping plate fixing frame bracket.
Further, the edge of one side of the base where the first lifting frame is located is provided with 2 hinges, the first lifting frames are connected through the hinges, one end of each hinge is connected to the edge of the base, and the other end of each hinge is arranged at the edges of two ends of the lower box body of the first lifting frame; a lifting frame guide sleeve is arranged on the lower box body of the first lifting frame, the top end of the lifting frame guide sleeve is provided with the upper box body of the first lifting frame, a lifting frame oil cylinder is arranged on the base at one end of the first lifting frame, the tail end of the lifting frame oil cylinder is connected to the base through a fixed duckbill, and the top end of the lifting frame oil cylinder is connected to a lifting frame oil cylinder frame close to one end of the first lifting frame through a fixed duckbill; the first lifting frame is characterized in that a rotating shaft is arranged at the joint of the bottom end of the first lifting frame and the base, and the first lifting frame on the base can be rotated by 90 degrees to be horizontally placed on the base under the action of the lifting frame oil cylinder.
Further, the first lifting frame and the second lifting frame are respectively provided with lifting frame lifting mechanisms at two ends between the upper box body and the lower box body respectively, the lifting frame lifting mechanisms comprise lifting chains and lifting cylinders, the lifting cylinders are arranged on the outer sides of the lifting chains, the positions, corresponding to the lifting chains, of the bottom ends of the upper box bodies are provided with lifting chain upper fixing wheels, the positions, corresponding to the lifting chains, of the upper ends of the lower box bodies are provided with chain fixing clamps, the bottom ends of the lifting chains are fixed on the chain fixing clamps, the other ends of the lifting chains pass through the lifting chain upper fixing wheels, and lifting hooks are arranged at the head ends of the lifting chains; the top end of the upper box body is provided with a lifting hook height adjusting nut at the position corresponding to the position of the fixed wheel on the lifting chain, and the height of the lifting hook is controlled by arranging the lifting hook height adjusting nut.
The lifting frame of the transportation system is divided into a first lifting frame and a second lifting frame: the second lifting frame is arranged on the rotary table, and the first lifting frame is arranged on the base; the second lifting frame on the rotary table can rotate together with the rotary table; the first lifting frame on the base can be rotated by 90 degrees and horizontally placed on the bottom plate; when the transportation system works, the lifting frame lifts the hydraulic support from the flat-bed transportation vehicle, then the flat-bed transportation vehicle is transported away, and then the hydraulic support is placed on the rotary table, so that unloading of the hydraulic support is completed.
The specific working process of the transportation system is as follows:
moving the hydraulic support onto the flat transport vehicle, enabling the width direction of the hydraulic support to be consistent with the width direction of the flat transport vehicle, enabling the butting turntable rail oil cylinder to shrink to drive the sleeve rail moving rail to move, enabling the sleeve rail moving rail to enter into the butting turntable rail part when the butting turntable rail oil cylinder is completely shrunk, and enabling the sleeve rail moving rail to be in butt joint with the rail groove on the turntable; at the moment, starting a winch outside the platform, and dragging the flat transport vehicle to move forwards on the oversleeve track by the winch until the flat transport vehicle moves to the upper end of the rotary table to stop; at the moment, the hydraulic support is hooked upwards through the lifting hooks of the first lifting frame on the rotary table and the second lifting frame on the base, and when the hydraulic support is hooked, the butting rotary table rail oil cylinder stretches to drive the sleeve rail to withdraw, and the piston rod of the butting rotary table rail oil cylinder is gradually stretched out relative to the cylinder body in the withdrawing process; when the flat transport vehicle is in the extended state, the winch drags the flat transport vehicle to do withdrawing motion relative to the oversleeve track until the flat transport vehicle is completely withdrawn;
at the moment, the hydraulic support descends under the action of the first lifting frame and the second lifting frame, and when the hydraulic support reaches the rotary table, the lifting hook is loosened; then, the first lifting frame rotates clockwise for 90 degrees under the action of the lifting frame oil cylinder to enable the lifting frame to be horizontally placed on the base, the second lifting frame rotates anticlockwise for 90 degrees under the action of the rotating mechanism along with the hydraulic support carried by the rotating platform to enable the second lifting frame and the first lifting frame to be in a mutually perpendicular state, and at the moment, the steering work of the hydraulic support is completed;
after steering, the rotating table carrying the hydraulic support continuously moves forwards under the action of the double telescopic cylinders, the double telescopic cylinders in the process are gradually extended, and the rotating table slides to the base and the two telescopic cylinders at the upper part of the base simultaneously move; when the double telescopic cylinders reach a fully extended state, the turntable sliding base and the turntable at the upper end of the turntable slide base do withdrawal movement, and the double telescopic cylinders in the process gradually take a withdrawn state; when the double telescopic oil cylinders reach a fully retracted state, the forks on the base in the second lifting frame direction are retracted under the action of the fork pushing cylinder, when the forks are fully retracted, the corresponding position parts of the hydraulic support and the forks fall down to the ground, then the forks on the base in the first lifting frame direction are also retracted under the action of the fork pushing cylinder, when the forks are fully retracted, the corresponding position parts of the hydraulic support and the forks fall down to the ground again, at this time, the landing of the hydraulic support is completed, and the retraction process of the two forks is a process of retracting the forks relative to the fork pushing cylinder; after the hydraulic support is completely landed in place, the side wall of the bottom of the hydraulic support is contacted with the top end surfaces of the two forks, and the hydraulic support withdraws under the action of the fork pushing cylinder, wherein the withdrawal process is a process that the fork pushing cylinder is extended relative to the forks, so that the whole base connected with the fork pushing cylinder withdraws a distance of the width of the hydraulic support; when the base is integrally withdrawn, the first lifting frame, the rotary table and the second lifting frame on the rotary table are respectively restored to the original positions under the action of the lifting frame oil cylinder and the rotary mechanism; in the process of restoring the original position, the first lifting frame rotates 90 degrees anticlockwise around the rotating shaft, the rotating table rotates 90 degrees clockwise under the action of the rotating mechanism, at the moment, the transportation work of the whole hydraulic support is completed, and the next hydraulic support is repeatedly transported.
The beneficial effects of the invention are as follows:
the unloading and steering positioning platform for the underground hydraulic support of the coal mine can rapidly realize unloading and steering landing positioning of the hydraulic support at an underground installation site, greatly improve the installation speed of positioning the hydraulic support, and save labor force; the telescopic rail function of the oversleeve rail is adopted, so that the defects that a section of rail is retracted every set of hydraulic supports in place in the existing transportation mode, the operation is frequent and laborious are overcome, and the working efficiency is improved.
Drawings
Fig. 1 is a block diagram of the entire transportation system of the present invention.
Fig. 2 is a top view of the structure of fig. 1.
Fig. 3 is a partial structural view of fig. 2.
Fig. 4 is a side view of fig. 3.
Fig. 5 is a partial structural view of fig. 3.
Fig. 6 is a view in the direction a of fig. 5.
Fig. 7 is a B-direction view of fig. 5.
Fig. 8 is a view in the direction C of fig. 5.
Fig. 9 is a structural view showing a first lifting frame of fig. 8 in a laid-down state.
Fig. 10 is a connection structure diagram of the turntable and the second lifting frame of fig. 2.
Fig. 11 is a front view of fig. 1.
Fig. 12 is a left side view of fig. 11.
Fig. 13 is a right side view of fig. 11.
Fig. 14 is a diagram showing a rotational state of the hydraulic bracket of the transportation system according to the present invention.
Fig. 15 is a view showing a state that a hydraulic bracket of the transportation system of the present invention is in place.
Figure 16 is a schematic diagram of a sleeve orbit of the present invention.
Fig. 17 is a schematic diagram of the turntable path of rotation of the docking turntable track in accordance with the present invention.
In the drawing the view of the figure, 1, sleeve rail static rail, 2, sleeve rail moving rail, 3, sleeve rail bottom plate, 4, sleeve rail sliding seat, 5, sleeve rail and docking turntable rail connecting lug, 6, docking turntable rail seat, 7 docking turntable rail, 8, docking turntable rail oil cylinder, 9, base, 10, turntable rotating oil cylinder, 11, turntable rotating chain, 12, turntable bearing, 13, fixed guide wheel, 14, chain fixing clamp, 15, rotating cylinder head wheel frame, 16 turntable sliding base, 17, rotating cylinder tail fixing duckbill, 18, double telescopic oil cylinder, 19, double telescopic oil cylinder end duckbill, 20, double telescopic oil cylinder fixing duckbill, 21, push fork cylinder fixing duckbill, 22 the lifting fork comprises a fork pushing cylinder, 23, a fork, 24, a one-way clamping plate, 25, a one-way clamping plate fixing frame, 26, a one-way clamping plate spring, 27, a base hinge, 28, a first lifting frame upper box body, 28-1, a first lifting frame, 29, a first lifting frame lower box body, 30 lifting frame oil cylinders, 31 lifting frame oil cylinder frames, 32, lifting hooks, 33, lifting chains, 34, lifting chain fixing wheels, 35, lifting chain fixing wheel frames, 36, lifting frame guide sleeves, 37, a first lifting frame hinge, 38, a lifting hook height adjusting nut, 39, a first track groove, 40, a second track groove, 41, a rotating disc center cover plate, 42, a rotating disc bearing fixing hole, 43 and a second lifting frame; 44. the device comprises a rotating shaft, 45, a rotating table, 46, a flat transport vehicle, a mine transport rail, b, a sleeve rail, c, a storage rail space, d, a butt joint rail, e, a rotating disc, f and a butt joint moving distance.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings
As shown in fig. 1-17, the underground hydraulic support unloading, steering and positioning platform for the coal mine is characterized in that: the double-telescopic-cylinder-head duck bill pushing device comprises a base 9 and a group of relatively parallel push fork cylinders 22 arranged on the base 9, wherein one ends of the push fork cylinders 22 are fixedly connected to the base 9 through push fork cylinder fixing duck bills 21, the other ends of the push fork cylinders 22 are connected with forks 23 through piston rods, the forks 23 can extend out of the base 9 through the expansion of the piston rods, a turntable sliding base 16 is arranged on the base 9 which is close to the inner walls of the two push fork cylinders 23, a rotating mechanism is arranged in the center of the turntable sliding base 16, a turntable 45 is arranged on the rotating mechanism, a group of turntable sliding base expansion cylinders are arranged on two sides of the upper end of the turntable sliding base 16 in parallel, double-telescopic-cylinder-head duck bills 19 are fixedly arranged on the turntable sliding base 16, double-telescopic-cylinder fixing duck bills 20 are arranged on the base 9 which is close to the double-telescopic-cylinder-head duck bills 19, and the double-telescopic-cylinder 18 is arranged between the double-telescopic-cylinder fixing duck bills 20; two sides of the double telescopic oil cylinders 18 are provided with a butting rotary table rail oil cylinder 8, sleeve rails are arranged on the outer sides of the bases 9, and the butting rotary table rail oil cylinder 8 is connected with the sleeve rails; a first lifting frame 28-1 is fixedly provided on one side of the base 9 in the axial direction, and a second lifting frame 43 is provided on a rotary table 45 in the opposite direction to the first lifting frame 28-1.
Further, the sleeve rail comprises an ore transportation rail a, a group of sleeve rail movable rails 2, a group of sleeve rail static rails 1, sleeve movable rail sliding seats 4 and a sleeve rail bottom plate 3, one end of each sleeve movable rail 2 can extend to the upper end of a base 9, the inner walls of the two sleeve rail movable rails 2, which are close to each other, are respectively connected with a butting turntable rail oil cylinder 8, sleeve movable rail sliding seats 4 are arranged on the outer walls of the two sleeve movable rails 2, and the sleeve rail static rails 1 are arranged in the sleeve rail sliding seats 4; a connecting plate is arranged between the inner walls of the two sleeve rail movable rails 2 which are close to each other; a group of fixed duckbilled parts are arranged on the connecting plate, and piston rods of the butting turntable track cylinders 8 are connected to the connecting plate through the fixed duckbilled parts; one end of the sleeve rail static rail 1 in the sliding direction is in butt joint with the ore transportation rail a, and the sleeve rail static rail 1 is fixed on the ground.
Further, the distance between the sleeve rail and one end of the base 9 is a butt joint turntable rail part, the butt joint turntable rail 7 is arranged in the butt joint turntable rail seat 6, and the sleeve rail bottom plate 3 and the butt joint turntable rail seat 6 are connected together through the connecting lugs 5.
Further, the rotating mechanism comprises a group of turntable rotating oil cylinders 10, turntable bearings 12 and a turntable rotating chain 11, the tail ends of the turntable rotating oil cylinders 10 are fixed through a turntable tail fixing duckbill 17, and the other ends of the turntable rotating oil cylinders 10 are connected to a rotating cylinder head wheel frame 15; one end of a rotary table sliding seat plate 16 opposite to a rotary oil cylinder tail fixing duckbill 17 is provided with a group of chain fixing clamps 14, the inner walls close to the two chain fixing clamps 14 are respectively provided with a fixing guide wheel 13, the rotary table rotary chain 11 bypasses the rotary table bearing 12, and the two ends of the rotary table rotary chain 11 bypass the rotary table bearing 12 and sequentially pass through the fixing guide wheels 13 and the rotary cylinder head wheel frame 15 to be connected to the chain fixing clamps 14.
Further, the turntable rotating cylinder 10 is symmetrically arranged at two sides of the turntable bearing 12, and the arrangement direction of the turntable rotating cylinder 10 is perpendicular to the turntable sliding base 16.
Further, the rotary table 45 has a square structure, and the edge of the rotary table 45 near one side of the second lifting frame 43 is fixedly connected with the second lifting frame 43 through bolts; the upper end surface of the rotary table 45 is provided with a first track groove 39 and a second track groove 40; the first track groove 39 has a track gauge of 600mm and the second track groove 40 has a track gauge of 900mm; the thickness of the rotary table 45 is 70mm; the flat-bed transport vehicle can be guaranteed to be transited to the rotating table only when the sleeve rail moves to be in butt joint with the first rail groove on the rotating table.
Further, 2 forks 23 are parallel to each other, the outer surfaces of the tail ends of the two forks 23 are provided with one-way clamping plates 24, the outer sides of the one-way clamping plates 24 are provided with one-way clamping plate fixing frames 25, and one-way clamping plate springs 26 are arranged between the one-way clamping plates 24 and the one-way clamping plate fixing frames 25; the unidirectional clamping plate 24 is connected with the unidirectional clamping plate fixing frame 25 through a shaft, and the unidirectional clamping plate spring 26 is wound on the shaft of the unidirectional clamping plate 24 and the unidirectional clamping plate fixing frame bracket 25.
Further, the edge of the base 9 where the first lifting frame 28-1 is located is provided with 2 hinges 37, the first lifting frames 28-1 are connected through the hinges 37, one end of each hinge 37 is connected to the edge of the base 9, and the other end of each hinge 37 is arranged at the edges of two ends of the lower box 29 of the first lifting frame; a lifting frame guide sleeve 36 is arranged on the lower box 29 of the first lifting frame, the top end of the lifting frame guide sleeve 36 is provided with the upper box 28 of the first lifting frame, a lifting frame oil cylinder 30 is arranged on the base 9 at one end of the first lifting frame 28-1, the tail end of the lifting frame oil cylinder 30 is connected to the base 9 through a fixed duckbill, and the top end of the lifting frame oil cylinder 30 is connected to a lifting frame oil cylinder frame 31 close to one end of the first lifting frame through a fixed duckbill; the joint of the bottom end of the first lifting frame 28-1 and the base 9 is provided with a rotating shaft 44, and the first lifting frame 28-1 on the base can be rotated by 90 degrees to be horizontally placed on the base 9 by acting as a lifting frame oil cylinder 30.
Further, the first lifting frame 28-1 and the second lifting frame 43 are respectively provided with lifting frame lifting mechanisms at two ends between the respective upper box body and lower box body, the lifting frame lifting mechanisms comprise lifting chains 33 and lifting cylinders, the lifting cylinders are arranged at the outer sides of the lifting chains 33, lifting chain upper fixing wheels 34 are arranged at positions corresponding to the lifting chains 33 at the bottom ends of the upper box bodies, chain fixing cards are arranged at positions corresponding to the lifting chains 33 at the upper ends of the lower box bodies, the bottom ends of the lifting chains 33 are fixed on the chain fixing cards, the other ends of the lifting chains pass through the lifting chain upper fixing wheels 34, and lifting hooks 32 are arranged at the head ends of the lifting chains 33; a lifting hook height adjusting nut 38 is arranged at the position of the top end of the upper box body corresponding to the position of the fixed wheel 34 on the lifting chain, and the height of the lifting hook 32 is controlled by arranging the lifting hook height adjusting nut 38.
The lifting frame of the transport system is divided into a first lifting frame 28-1 and a second lifting frame 43: the second lifting frame 43 is arranged on the rotary table 45, and the first lifting frame 28-1 is arranged on the base 9; the second lifting frame 43 on the rotary table 45 is rotatable together with the rotary table 45; the first lifting frame 28-1 on the base 9 can be rotated by 90 degrees to lie flat on the base 9; when the transportation system works, the lifting frame lifts the hydraulic support from the flat-bed transportation vehicle 46, then the flat-bed transportation vehicle 46 is transported away, and then the hydraulic support is placed on the rotary table 45, so that unloading of the hydraulic support is completed.
The specific working process of the transportation system is as follows:
the hydraulic support is moved to the flat transport vehicle 46, the width direction of the hydraulic support is placed in accordance with the width direction of the flat transport vehicle 46, the sleeve rail moving rail 2 is driven to move together by the shrinkage of the butting rotary table rail cylinder 8, and when the butting rotary table rail cylinder 8 is completely shrunk, the sleeve rail moving rail 2 enters into the butting rotary table rail part, so that the sleeve rail moving rail 2 is in butt joint with the rail on the rotary table 45; at this time, an external winch of the platform is started, and the winch drags the flat transport vehicle 46 to move forward on the oversleeve track until the flat transport vehicle 46 moves to the upper end of the rotary table 45 to stop; at this time, the hydraulic support is hooked up by the lifting hook 32 of the first lifting frame 28-1 on the rotary table 45 and the second lifting frame 43 on the base 9, and when the hydraulic support is hooked up, the butting rotary table rail oil cylinder 8 stretches to drive the sleeve rail movable rail 2 to withdraw, and the piston rod of the butting rotary table rail oil cylinder 8 is gradually extended relative to the cylinder body in the withdrawing process; while in the extended state, the winch pulls the flatbed wagon 46 to withdraw relative to the oversleeve track until the flatbed wagon 46 is completely withdrawn; at this time, the hydraulic support descends under the action of the first lifting frame 28-1 and the second lifting frame 43, and when the hydraulic support reaches the rotary table 45, the lifting hook 32 is released; then, the first lifting frame 28-1 rotates clockwise by 90 degrees through the rotating shaft 44 under the action of the lifting frame oil cylinder 30 to enable the lifting frame to be horizontally placed on the base 9, the second lifting frame 43 rotates anticlockwise by 90 degrees under the action of the rotating mechanism along with the rotating table 45 carrying the hydraulic support to enable the second lifting frame 43 and the first lifting frame 28-1 to be in a mutually perpendicular state, and at the moment, the steering work of the hydraulic support is completed;
after steering, the rotary table 45 carrying the hydraulic support continues to move forwards under the action of the double telescopic cylinders 18, the double telescopic cylinders 18 in the process gradually stretch, and the rotary table sliding base 16 and the two telescopic cylinders at the upper part of the rotary table simultaneously move; when the double telescopic cylinders 18 reach a fully extended state, the turntable sliding base 16 and the turntable 45 at the upper end of the turntable sliding base do withdrawal movement, and the double telescopic cylinders 18 in the process gradually take a retracted state; when the double telescopic oil cylinder 18 reaches a fully retracted state, the fork 23 on the base 9 in the direction of the second lifting frame 43 is retracted under the action of the fork pushing cylinder 22, when the fork 23 is fully retracted, the part of the hydraulic support corresponding to the fork 23 falls down to the ground, then the fork 23 on the base 9 in the direction of the first lifting frame 28-1 is also retracted under the action of the fork pushing cylinder 22, when the fork 23 is fully retracted, the part of the hydraulic support corresponding to the fork 23 falls down to the ground again, and at the moment, the landing of the hydraulic support is completed; the retraction process of the two forks is a process in which the forks are retracted relative to the fork pushing cylinder 22; after the hydraulic support is completely landed in place, the side wall of the bottom of the hydraulic support is contacted with the top end surfaces of the two forks 23, and the withdrawing motion is carried out under the action of the fork pushing cylinder 22, wherein the withdrawing process is a process that the fork pushing cylinder 22 is unfolded relative to the forks 23, so that the whole base connected with the fork pushing cylinder 22 withdraws by a distance of the width of the hydraulic support; when the base is integrally withdrawn, the first lifting frame 28-1, the rotary table 45 and the second lifting frame 43 on the rotary table are respectively restored to the original positions under the action of the lifting frame oil cylinder 30 and the rotating mechanism; in the process of restoring the original position, the first lifting frame 28-1 rotates 90 degrees counterclockwise around the rotation shaft 44, the rotation table 45 rotates 90 degrees clockwise under the action of the rotation mechanism, at this time, the transportation work of the whole hydraulic support is completed, and the next hydraulic support is repeatedly transported.
Claims (10)
1. Colliery is hydraulic support in pit unloaded, turns to platform of taking one's place, its characterized in that: the double-telescopic-cylinder-head duck bill pushing device comprises a base and a group of relatively parallel pushing fork cylinders arranged on the base, wherein one end of each pushing fork cylinder is fixedly connected to the base through a pushing fork cylinder fixing duck bill, the other end of each pushing fork cylinder is connected with a fork through a piston rod, the fork can extend out of the base through the extension of the piston rod, a turntable sliding base is arranged on the base close to the space between the inner walls of the two pushing fork cylinders, a rotating mechanism is arranged at the center of the turntable sliding base, a group of turntable sliding base telescopic cylinders are arranged on two sides of the upper end of the turntable sliding base in parallel, a double-telescopic-cylinder-head duck bill is fixedly arranged on the turntable sliding base, a double-telescopic-cylinder fixing duck bill is arranged on the base close to the double-telescopic-cylinder-head duck bill, and the double-telescopic-cylinder is arranged between the double-telescopic-cylinder fixing duck bills; two sides of the double telescopic cylinders are provided with butting turntable rail cylinders, sleeve rails are arranged on the outer sides of the bases, and the butting turntable rail cylinders are connected with the sleeve rails through duckbilled heads; a first lifting frame is fixedly arranged on one side of the base along the axial direction, and a second lifting frame is arranged on the rotary table in the opposite direction of the first lifting frame.
2. The underground coal mine hydraulic support unloading and steering positioning platform according to claim 1, wherein the sleeve rail comprises a mine transportation rail, a group of sleeve rail moving rails, a group of sleeve rail static rails, sleeve rail sliding seats and sleeve rail bottom plates, one end of the sleeve moving rail can extend to the upper end of the base, the two sleeve rail moving rails are connected with the butting turntable rail oil cylinders, sleeve moving rail sliding seats are arranged on the outer walls of the two sleeve moving rails, and the sleeve rail static rails are arranged in the sleeve rail sliding seats; a connecting plate is arranged between the inner walls of the two sleeve rails, which are close to each other; the connecting plate is provided with a group of fixed duckbilled, and a piston rod of the butt joint turntable track cylinder is connected to the connecting plate through the fixed duckbilled; one end of the sleeve rail static rail in the sliding direction is in butt joint with the ore transportation rail, and the sleeve rail static rail is fixed on the ground.
3. The underground coal mine hydraulic support unloading and steering positioning platform according to claim 2, wherein the distance between one end of the sleeve rail, which is close to the direction of the base, is a butting turntable rail part, the butting turntable rail is arranged in a butting turntable rail seat, and the sleeve rail bottom plate and the butting turntable rail seat are connected together through a connecting lug.
4. The underground coal mine hydraulic support unloading and steering in-place platform according to claim 1, wherein the rotating mechanism comprises a group of turntable rotating cylinders, turntable bearings and a turntable rotating chain, the tail ends of the turntable rotating cylinders are fixed through a fixed duckbill of the tail of the turntable rotating cylinders, and the other ends of the turntable rotating cylinders are connected to a rotating cylinder head wheel frame; the rotary table sliding seat board opposite to the rotary oil cylinder tail fixed duckbilled is provided with a group of chain fixing clamps, the inner walls close to the two chain fixing clamps are respectively provided with a fixed guide wheel, the rotary table rotary chain bypasses the rotary table bearing, and the two ends of the rotary table rotary chain sequentially pass through the fixed guide wheels and the rotary cylinder head wheel frame after bypassing the rotary table bearing and are connected to the chain fixing clamps.
5. The underground coal mine hydraulic support unloading and steering in-place platform according to claim 4, wherein the turntable rotating cylinders are symmetrically arranged on two sides of the turntable bearing, and the arrangement direction of the turntable rotating cylinders is perpendicular to the turntable sliding base.
6. The underground coal mine hydraulic support unloading and steering in-place platform according to claim 4, wherein the rotary table is of a square structure, and the edge of the rotary table close to one side of the second lifting frame is fixedly connected with the second lifting frame through bolts; the upper end surface of the rotary table is provided with a first track groove and a second track groove; the track gauge of the first track groove is 600mm, and the track gauge of the second track groove is 900mm; the thickness of the rotary table is 70mm; the flat-bed transport vehicle can be guaranteed to be transited to the rotating table only when the sleeve rail moves to be in butt joint with the first rail groove on the rotating table.
7. The underground coal mine hydraulic support unloading and steering in-place platform according to claim 1, which is characterized in that the number of the forks is 2, the forks are parallel to each other, the outer surfaces of the tail ends of the two forks are provided with one-way clamping plates, the outer sides of the one-way clamping plates are provided with one-way clamping plate fixing frames, and one-way clamping plate springs are arranged between the one-way clamping plates and the one-way clamping plate fixing frames; the unidirectional clamping plate is connected with the unidirectional clamping plate fixing frame through a shaft, and the unidirectional clamping plate spring is wound on the shaft of the unidirectional clamping plate and the unidirectional clamping plate fixing frame bracket.
8. The underground coal mine hydraulic support unloading and steering positioning platform according to claim 1 is characterized in that hinges are arranged at the edge of one side of a base where the first lifting frames are located, the first lifting frames are connected through the hinges, one ends of the 2 hinges are connected to the edge of the base, and the other ends of the two hinges are arranged at the edges of two ends of a lower box body of the first lifting frames; a lifting frame guide sleeve is arranged on the lower box body of the first lifting frame, the top end of the lifting frame guide sleeve is provided with the upper box body of the first lifting frame, a lifting frame oil cylinder is arranged on the base at one end of the first lifting frame, the tail end of the lifting frame oil cylinder is connected to the base through a fixed duckbill, and the top end of the lifting frame oil cylinder is connected to a lifting frame oil cylinder frame close to one end of the first lifting frame through a fixed duckbill; the first lifting frame is characterized in that a rotating shaft is arranged at the joint of the bottom end of the first lifting frame and the base, and the first lifting frame on the base can be rotated by 90 degrees to be horizontally placed on the base under the action of the lifting frame oil cylinder.
9. The underground coal mine hydraulic support unloading and steering positioning platform according to claim 1, wherein the first lifting frame and the second lifting frame are respectively provided with lifting frame lifting mechanisms at two ends between the upper box body and the lower box body respectively, the lifting frame lifting mechanisms comprise lifting chains and lifting cylinders, the lifting cylinders are arranged on the outer sides of the lifting chains, lifting chain upper fixed wheels are arranged at positions, corresponding to the lifting chains, of the bottom ends of the upper box bodies, chain fixing cards are arranged at positions, corresponding to the lifting chains, of the upper ends of the lower box bodies, the bottom ends of the lifting chains are fixed on the chain fixing cards, the other ends of the lifting chains pass through the lifting chain upper fixed wheels, and lifting hooks are arranged at the head ends of the lifting chains; the top end of the upper box body is provided with a lifting hook height adjusting nut at the position corresponding to the position of the fixed wheel on the lifting chain, and the height of the lifting hook is controlled by arranging the lifting hook height adjusting nut.
10. The underground coal mine hydraulic support unloading and steering in-place platform according to any one of claims 1-9, wherein: moving the hydraulic support onto the flat transport vehicle, enabling the width direction of the hydraulic support to be consistent with the width direction of the flat transport vehicle, enabling the butting turntable rail oil cylinder to shrink to drive the sleeve rail moving rail to move, enabling the sleeve rail moving rail to enter into the butting turntable rail part when the butting turntable rail oil cylinder is completely shrunk, and enabling the sleeve rail moving rail to be in butt joint with the rail on the turntable; at the moment, starting a winch outside the platform, and dragging the flat transport vehicle to move forwards on the oversleeve track by the winch until the flat transport vehicle moves to the upper end of the rotary table to stop; at the moment, the hydraulic support is hooked upwards through the lifting hooks of the first lifting frame on the rotary table and the second lifting frame on the base, and when the hydraulic support is hooked, the butting rotary table rail oil cylinder stretches to drive the sleeve rail to withdraw, and the piston rod of the butting rotary table rail oil cylinder is gradually stretched out relative to the cylinder body in the withdrawing process; when the flat transport vehicle is in the extended state, the winch drags the flat transport vehicle to do withdrawing motion relative to the oversleeve track until the flat transport vehicle is completely withdrawn;
at the moment, the hydraulic support descends under the action of the first lifting frame and the second lifting frame, and when the hydraulic support reaches the rotary table, the lifting hook is loosened; then, the first lifting frame rotates clockwise for 90 degrees under the action of the lifting frame oil cylinder to enable the lifting frame to be horizontally placed on the base, the second lifting frame rotates anticlockwise for 90 degrees under the action of the rotating mechanism along with the hydraulic support carried by the rotating platform to enable the second lifting frame and the first lifting frame to be in a mutually perpendicular state, and at the moment, the steering work of the hydraulic support is completed;
after steering, the rotating table carrying the hydraulic support continuously moves forwards under the action of the double telescopic cylinders, the double telescopic cylinders in the process are gradually extended, and the rotating table slides to the base and the two telescopic cylinders at the upper part of the base simultaneously move; when the double telescopic cylinders reach a fully extended state, the turntable sliding base and the turntable at the upper end of the turntable slide base do withdrawal movement, and the double telescopic cylinders in the process gradually take a withdrawn state; when the double telescopic oil cylinders reach a fully retracted state, the forks on the base in the second lifting frame direction are retracted under the action of the fork pushing cylinder, when the forks are fully retracted, the corresponding position parts of the hydraulic support and the forks fall down to the ground, then the forks on the base in the first lifting frame direction are also retracted under the action of the fork pushing cylinder, when the forks are fully retracted, the corresponding position parts of the hydraulic support and the forks fall down to the ground again, at this time, the landing of the hydraulic support is completed, and the retraction process of the two forks is a process of retracting the forks relative to the fork pushing cylinder; after the hydraulic support is completely landed in place, the side wall of the bottom of the hydraulic support is contacted with the top end surfaces of the two forks, and the hydraulic support withdraws under the action of the fork pushing cylinder, wherein the withdrawal process is a process that the fork pushing cylinder is extended relative to the forks, so that the whole base connected with the fork pushing cylinder withdraws a distance of the width of the hydraulic support; when the base is integrally withdrawn, the first lifting frame, the rotary table and the second lifting frame on the rotary table are respectively restored to the original positions under the action of the lifting frame oil cylinder and the rotary mechanism; in the process of restoring the original position, the first lifting frame rotates 90 degrees anticlockwise around the rotating shaft, the rotating table rotates 90 degrees clockwise under the action of the rotating mechanism, at the moment, the transportation work of the whole hydraulic support is completed, and the next hydraulic support is repeatedly transported.
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| CN201910362328.0A CN109915192B (en) | 2019-04-30 | 2019-04-30 | Underground coal mine hydraulic support unloading and steering in-place platform |
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| CN201910362328.0A CN109915192B (en) | 2019-04-30 | 2019-04-30 | Underground coal mine hydraulic support unloading and steering in-place platform |
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| CN109915192B true CN109915192B (en) | 2023-11-14 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110761824B (en) * | 2019-11-20 | 2020-12-08 | 中国矿业大学 | Automatic straight-line walking advanced hydraulic support |
| CN113700525A (en) * | 2021-07-29 | 2021-11-26 | 山西中煤担水沟煤业有限公司 | Direction-adjusting rotary platform for mining equipment |
| CN113513351B (en) * | 2021-08-04 | 2023-09-15 | 扎赉诺尔煤业有限责任公司 | Support car and delivery car |
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| CN209892264U (en) * | 2019-04-30 | 2020-01-03 | 大连宏远气动液压船舶辅机有限公司 | Platform for unloading and steering coal mine underground hydraulic support in place |
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| GB1213911A (en) * | 1968-02-26 | 1970-11-25 | Shinko Electric Co Ltd | Load handling vehicle |
| CN103628905A (en) * | 2013-11-19 | 2014-03-12 | 辽宁威跃集团机械制造有限公司 | Hydraulic support traction, direction regulation and transportation device and using method thereof |
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