CN107218073B - Advanced circulating support system for roadway of soft rock mining area - Google Patents
Advanced circulating support system for roadway of soft rock mining area Download PDFInfo
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- CN107218073B CN107218073B CN201710580909.2A CN201710580909A CN107218073B CN 107218073 B CN107218073 B CN 107218073B CN 201710580909 A CN201710580909 A CN 201710580909A CN 107218073 B CN107218073 B CN 107218073B
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- 239000011435 rock Substances 0.000 title claims abstract description 22
- 238000005065 mining Methods 0.000 title claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 71
- 238000006073 displacement reaction Methods 0.000 claims abstract description 19
- 238000001179 sorption measurement Methods 0.000 claims abstract description 12
- 230000007306 turnover Effects 0.000 claims description 5
- 230000002457 bidirectional effect Effects 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 5
- 238000013461 design Methods 0.000 abstract description 4
- 230000033001 locomotion Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 description 5
- 239000003245 coal Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel 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
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/0004—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/0052—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor with advancing shifting devices connected therewith
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/08—Advancing mechanisms
- E21D23/10—Advancing mechanisms with advancing devices separate from the supporting construction
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/12—Control, e.g. using remote control
- E21D23/14—Effecting automatic sequential movement of supports, e.g. one behind the other
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- Architecture (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
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Abstract
The invention relates to a forepoling system for a roadway in a soft rock mining area, which comprises a forepoling, a track and a control system, wherein a moving frame hoisting device is arranged in the track and comprises a fixing plate I, a moving frame hoisting seat is arranged above the fixing plate I, the upper end of the moving frame hoisting seat is connected with the track in a sliding manner, a rotary hoisting mechanism is arranged below the fixing plate I and comprises a rotating frame, lifting hooks are hinged to two sides of the rotating frame, adjusting jacks are arranged in the lifting hooks, an anti-falling mechanism is arranged between the rotary hoisting mechanisms, and the anti-falling mechanism comprises a turning anti-falling plate, a displacement sensor arranged below the fixing plate I and an anti-falling jack with an electromagnetic adsorption head arranged on the lower surface of the fixing plate I; the circulating support system is convenient to use and reasonable in design by arranging the moving frame lifting seat, the rotary lifting mechanism, the anti-falling mechanism and the like, so that the ultra-front support can be quickly pushed when moving, is stable in support and movement, is safe and reliable, and saves manpower and material resources.
Description
Technical Field
The invention relates to the technical field of hydraulic support equipment design, in particular to a forward circulating support system for a roadway of a soft rock mining area.
Background
The problem of supporting a transportation roadway in a soft rock mining area always puzzles coal mining in China, and the main reasons include the following aspects: late diagenesis of soft rock, poor cementation, low rock strength, joint development, rock mass crushing, high stress level of surrounding rock and water absorption expansion of rock. The hydraulic support is usually adopted for supporting in the coal mine fully-mechanized mining process, the hydraulic support can be placed in front of a fully-mechanized mining working face to form a coal mining space, the work such as roof supporting, support forward moving, pushing conveyor and goaf processing can be completed, the forepoling is support equipment commonly used for a roadway opening of the coal mining working face, and the roadway forepoling has two modes at present: 1. the single hydraulic prop is matched with a metal hinged top beam; 2. traditional forepoling support. The former has low supporting strength; the supporting speed is low; the labor intensity is high; the cost is high, and the safety is poor; the latter is divided into two types of frame types of front push-back pull type and alternate support type, but no matter which type of frame type, the top beam repeatedly supports the top plate, and the structure of the top plate, especially a soft rock mining area, is damaged. Therefore, the research of the roadway advance support system which is suitable for the rapid propulsion, the support and the stable movement of the fully mechanized working face in the soft rock mining area is very important, and the roadway advance support system has important significance for improving the economic benefit and the enterprise benefit of the coal mine.
Disclosure of Invention
In order to solve the problems, the invention aims to provide an advance cycle support system for a soft rock mining area roadway, which is simple in structure, convenient to use and reasonable in design by arranging a moving support lifting seat, a rotary lifting mechanism, an anti-falling mechanism and the like, so that an advance support can be quickly propelled when moving, is stable in support and movement, is safe and reliable, and saves manpower and material resources.
The technical scheme adopted by the invention to solve the problems is as follows: a kind of soft rock mining area tunnel uses the advanced circulation support system, including the parallel fore-stock, slip the track that sets up in the lower end of fore-stock top beam and control system of the operation of the control support system, the track extends the direction and is unanimous with the direction of fore-stock arrangement, slip and set up the moving rack hoisting gear to hoist the fore-stock in the track, the said moving rack hoisting gear includes a fixed plate I, set up several moving rack hoisting seats above the fixed plate I, move rack hoisting seat upper end and slip-connected with track, both sides under the fixed plate I set up the rotary hoisting mechanism, the rotary hoisting mechanism includes a swivel mount set up under the fixed plate I, both sides of swivel mount are articulated with the lifting hook, set up the regulation jack controlling its opening and closing degree in the lifting hook, set up the anti-disengaging mechanism between the rotary hoisting mechanisms, the anti-disengaging mechanism includes the fixed anti-disengaging plate of turning set up in the front and back sides of the fixed plate I, set up the displacement inductor under the fixed plate I and set up the anti-disengaging jack with the electrified magnetic attraction head under the fixed plate I; the rotary hoisting mechanism is matched with the track and the moving frame hoisting base, the forepoling is hoisted through rotary opening and closing of the hoisting hook, the forepoling is rotated to the position under the fixing plate I, the displacement sensor drives the overturning anti-falling plate to overturn and fix the forepoling top beam through the control system and drives the electromagnetic adsorption head to adsorb and fix the top beam, the forepoling is driven to the foremost end through the moving frame hoisting base, the displacement sensor drives the overturning anti-falling plate and the electromagnetic adsorption head to withdraw through the control system, the rotary hoisting mechanism drives the forepoling to be rotatably opened and closed to be placed at a proper position and then lifts the forepoling top, and supporting is achieved in a circulating reciprocating mode;
the overturning anti-falling plate comprises a base fixedly arranged on the front side and the rear side of the fixing plate I, an anti-falling plate hinged in the base and an electromagnetic fixture block arranged in the base and clamped with the anti-falling plate, and the displacement sensor drives the electromagnetic fixture block to open and close through a control system so as to drive the overturning anti-falling plate to overturn and prevent falling;
the track is of a multi-section splicing structure and comprises an upper layer of horizontal plate, a middle layer of horizontal plate and a lower layer of horizontal plate, the upper layer of horizontal plate and the lower layer of horizontal plate are fixedly connected through a vertically arranged fixing plate II to form an upper layer of track and a lower layer of track, the upper layer of horizontal plate is connected with a roller of a hydraulic support top beam, two sides of the head end and the tail end of the upper layer of track are provided with power mechanisms, each power mechanism comprises a push-pull jack I for pushing the track to move forwards and a push-pull jack II for pushing the track to move backwards, each base of the push-pull jack I and the push-pull jack II is fixed on the upper layer of track through a fixing block I, the left side and the right side of the head end of the upper layer of track are respectively and fixedly provided with the push-pull jack II and the push-pull jack I, the left side and the right side of the tail end of the upper layer of track are respectively and fixedly provided with the push-pull jack I and the push jack II for driving the upper layer of track to slide on the roller in a reciprocating mode, a moving frame lifting seat is arranged in the lower layer of track in a sliding mode, and two ends of the track are also provided with limiting plates for preventing the moving frame lifting seat from derailing;
the frame moving lifting seat comprises an active lifting seat and a passive lifting seat, the active lifting seat and the passive lifting seat are fixedly connected through a horizontal fixing plate I arranged at the bottom of the active lifting seat, rotary lifting mechanisms are arranged on two sides of the fixing plate I, the active lifting seat comprises double lug plates hinged through pin shafts, a driving wheel and a driven wheel, the driving wheel and the driven wheel are arranged on the inner walls of the double lug plates and are in sliding connection with a track, a small gear is meshed below the driving wheel, the small gear is driven through a hydraulic motor arranged on one side of the double lug plates to drive the driving wheel and the driven wheel to move so as to drive the active lifting seat and the passive lifting seat to move, and the small gear, the rotary lifting mechanism and the brake mechanism are matched with each other to realize frame moving lifting;
the passive lifting base comprises an inverted U-shaped sliding frame in sliding connection with the track, a connecting ring is rotatably arranged on the inner wall of the bottom of the inverted U-shaped sliding frame, a connecting plate I is hinged below the connecting ring, and the lower end of the connecting plate I is fixedly connected with a fixing plate I;
the active lifting seats are arranged on two sides above the fixing plate I, and the passive lifting seats are arranged between the active lifting seats and the passive lifting seats, so that the head and tail advance supports can be conveniently driven to move;
the middle part of a rotating frame of the rotating lifting mechanism is provided with a bearing, the rotating lifting mechanism is rotatably connected with a fixed plate I through a high-strength bolt by the bearing, two sides of the rotating frame are axially and symmetrically hinged with lifting hooks, the inner wall of each lifting hook is provided with a bidirectional telescopic adjusting jack for adjusting the opening and closing degree of the lifting hook, two ends of each adjusting jack are respectively hinged with two side walls of the lifting hook, the inner wall of each lifting hook is provided with a wear-resistant layer for increasing resistance, and the surface of each wear-resistant layer is provided with a bulge for preventing the fore support from sliding;
a brake mechanism is arranged between any adjacent moving frame lifting seats and comprises double butterfly-shaped brake blocks, pin shafts in the middles of the double butterfly-shaped brake blocks are rotatably connected with a fixed block II, the lower end of the fixed block II is fixedly connected with a fixed plate I, the lower ends of the double butterfly-shaped brake blocks are respectively hinged with a base and a movable column of a brake jack horizontally penetrating through the fixed block II, an arc-shaped fixture block is arranged at the upper end of each double butterfly-shaped brake block and is arranged right above a track, a brake pad for increasing friction force is arranged on the inner wall of each arc-shaped fixture block, and the double butterfly-shaped brake blocks change the opening and closing degrees of the double butterfly-shaped brake blocks through the expansion and contraction of the movable columns of the brake jacks so as to drive the arc-shaped fixture blocks to be fixed on the track to realize braking;
the fore support comprises a top beam, hydraulic stand columns are arranged on two sides below the top beam, column sleeves are arranged on the lower portions of the hydraulic stand columns, fixing seats are arranged at the bottoms of the column sleeves, and anti-falling connecting plates II are arranged on the outer sides of the column sleeves to connect a plurality of fore supports.
The invention has the beneficial effects that:
1. according to the invention, through arranging the fore supports, the track, the moving support hoisting device and the like, the moving support hoisting seat slides in the track in a reciprocating manner, meanwhile, the fore supports are stretched and retracted, the rotating hoisting mechanism is used for hoisting the fore supports and then rotating the fore supports, then the anti-disengaging mechanism is combined for fixing and disengaging prevention, the rearmost fore supports are quickly and stably moved to the foremost step distance, other fore supports still stabilize and prop the top, the mechanical fore support for continuously supporting the top plate of the roadway is realized while the space for safe pedestrians required in the roadway is ensured, the hoisted fore supports are rotated to the position of the initial parallel position, the fore supports are released and the top is propped up, and the reciprocating manner is adopted, so that the circulating support of the fore supports is realized, the circulating support is bidirectional, the circulating support system can be used for advancing and retreating, the problems of complex operation, low efficiency and the like of the long-distance fore supports existing in the roadway are solved, the structure is compact, the design is reasonable, the support and the moving stability are obtained, the operation is simple and convenient, the quick propulsion is realized, the safety and the beneficial effects of using the forward and the safety and reliability are realized, and the manpower and the material resources are saved;
2. the invention sets a moving frame lifting seat, a rotary lifting mechanism, a brake mechanism and an anti-drop mechanism in a track, which are matched with each other to realize lifting of a fore support, a lifting hook of the lifting mechanism is rotationally connected with a fixed plate below the lifting seat through a rotating frame, the lifting mechanism can be rotated and lifted, the advancing direction of the fore support can be randomly adjusted at 360 degrees in the lifting process, the fore support is prevented from being inclined through an overturning anti-drop plate of the anti-drop mechanism to be fixed for one time, and then the fore support is adsorbed and fixed through an electromagnetic adsorption head at the movable column end of the anti-drop jack, so that the aim of secondary fixation is achieved, the collision with other fore supports in the lifting process is effectively prevented, the purpose of more stable lifting is achieved, the beneficial effects of convenient use, safety and stability, good lifting effect, rotatable angle adjustment, manpower and material resources saving and working efficiency increase are achieved;
3. according to the invention, the active lifting seat and the driven lifting seat are arranged, the plurality of movable frame lifting seats are matched for use, and the lower parts of the movable frame lifting seats are fixedly connected through the horizontal fixing plate I, so that the moment is increased, the stress area is increased, the weight of the fore support is distributed on the plurality of movable frame lifting seats, the active lifting seat drives the fore support to run through the hydraulic motor, the track is more stable, the track is not easily damaged, the purpose of prolonging the service life of the track is achieved, and the beneficial effects of high lifting speed, safety and stability are achieved;
4. according to the invention, the brake mechanism is arranged, the double butterfly-shaped brake block is adopted, the opening and closing degree of the double butterfly-shaped brake block is adjusted by the hydraulic jack hinged at the lower end of the double butterfly-shaped brake block, the arc-shaped clamping block is arranged at the upper end of the double butterfly-shaped brake block and is positioned right above the track, the brake pad is further arranged on the inner wall of the arc-shaped clamping block, the movable column extends to increase the opening and closing degree of the double butterfly-shaped brake block, the arc-shaped clamping block is clamped on the track, and the friction force of the arc-shaped clamping block is increased by the brake pad, so that the purpose of braking is achieved, the braking effect is good, the swing of the advance support is prevented, and the safe and reliable beneficial effects are obtained.
Drawings
FIG. 1 is a general layout of the present invention;
FIG. 2 is a schematic structural view of the present invention during use;
FIG. 3 is a profile view of a lead frame of the present invention;
FIG. 4 is a schematic structural view of the mobile frame crane of the present invention;
FIG. 5 is a schematic structural view of the active lifting base of the present invention;
FIG. 6 is a schematic structural view of a passive lifting seat of the present invention;
FIG. 7 is a schematic top view of the track of the present invention;
FIG. 8 is a schematic view of the operation of the present invention;
the labels in the figure are: 1. the device comprises a forepoling, 101, a roller, 102, a top beam, 103, a hydraulic upright post, 104, a post sleeve, 105, a connecting plate II, 106, a fixed seat, 2, a track, 201, an upper track, 202, a lower track, 203, a power mechanism, 2031, a push-pull jack I, 2032, a push-pull jack II, 2033, a fixed block I, 204, a limit plate, 3, a moving frame hoisting device, 301, a moving frame hoisting seat, 3011, a double-lug plate, 3012, a driving wheel, 3013, a driven wheel, 3014, a pinion, 3015, a hydraulic motor, 3016, an inverted U-shaped sliding frame, 3017, a connecting ring, 3018, a connecting plate I, 302, a fixed plate I, 303, a rotary hoisting mechanism, 3031, a lifting hook, a regulating jack, 3033, a rotating frame, 3034, a high-strength bolt, 304, an anti-slip-off mechanism, 3041, a turnover anti-off board, 3042, a displacement inductor, 3043, an anti-off jack, 305, a brake mechanism, a fixed block 3052, a brake block, a brake 3053 and a brake block II.
Detailed Description
The present invention is described in detail below with reference to the accompanying drawings and specific embodiments, which are provided for the purpose of explaining the technical solutions of the present invention and describing specific embodiments and specific operation procedures, but the scope of the present invention is not limited to the following embodiments.
As shown in the figure, the invention relates to a forepoling system for a roadway in a soft rock mining area, which comprises a forepoling 1 arranged in parallel, a track 2 arranged at the lower end of a top beam 102 of the forepoling 1 in a sliding manner and a control system for controlling the operation of the support system, wherein the control system is a control system for controlling the hoisting of the forepoling 1 commonly used in the prior art, as long as the control system can control the hoisting of the forepoling 1 to realize the cyclic reciprocating support of the forepoling 1, the extending direction of the track 2 is consistent with the arrangement direction of the forepoling 1, a moving frame hoisting device 3 for hoisting the forepoling 1 is arranged in the track in a sliding manner, the moving frame hoisting device 3 comprises a fixed plate I302, a plurality of moving frame hoisting seats 301 are arranged above the fixed plate I302, the upper ends of the moving frame hoisting seats 301 are connected with the track 2 in a sliding manner, the rotary lifting mechanisms 303 are arranged on two sides below the fixing plate I302, each rotary lifting mechanism 303 comprises a rotary frame 3033 arranged below the fixing plate I302, lifting hooks 3031 are hinged to two sides of each rotary frame 3033, adjusting jacks 3032 for controlling the opening and closing degrees of the lifting hooks 3031 are arranged in the lifting hooks 3031, anti-falling mechanisms 304 are arranged between the rotary lifting mechanisms 303, each anti-falling mechanism 304 comprises a turning anti-falling plate 3041 fixedly arranged on the front side and the rear side of the fixing plate I302, a displacement sensor 3042 arranged below the fixing plate I302 and an anti-falling jack 3043 with an electromagnetic adsorption head arranged on the lower surface of the fixing plate I302, and the displacement sensor 3042 is a sensor which is conventionally used in the prior art and used for sensing displacement change as long as the displacement sensing function can be realized; the rotary lifting mechanism 303 is matched with the track 2 and the moving frame lifting base 301, the advance support 1 is lifted through the lifting hook 3031 in a rotating and opening mode, then the advance support 1 is rotated to be under the fixing plate I302, the displacement sensor 3042 drives the overturning anti-falling plate 3041 to overturn the top beam 102 of the fixed advance support 1 through the control system and drives the electromagnetic adsorption head to adsorb the fixed top beam 102, then the moving frame lifting base 301 drives the advance support 1 to be at the forefront end, the displacement sensor 3042 drives the overturning anti-falling plate 3041 and the electromagnetic adsorption head of the anti-falling jack 3043 to be retracted through the control system, the rotary lifting mechanism 303 drives the advance support 1 to be rotatably opened and closed to be placed at a proper position and then lifts the advance support 1 to support, and supporting is achieved in a circulating and reciprocating mode.
The above is the basic embodiment of the present invention, and further improvements, optimizations and limitations can be made on the basis of the above:
upset anticreep board 3041 including fixed setting at the fixing base of I302 front and back sides of fixed plate, articulate the anticreep board in the fixing base and set up the electromagnetic fixture block with the anticreep board joint in the base, displacement inductor 3042 opens and shuts through control system drive electromagnetic fixture block, and then drive upset anticreep board 3041 upset anticreep, control system drive anticreep jack 3043's electromagnetic adsorption head adsorbs forepoling 1's back timber 102 simultaneously, carry out the secondary and fix, effectively prevent colliding with of other forepoling 1 among the hoist and mount process, hoist more stably, safe and reliable.
The track 2 is a multi-section type splicing structure and comprises an upper layer horizontal plate, a middle layer horizontal plate and a lower layer horizontal plate, the upper layer track 201 and the lower layer track 202 are formed by fixedly connecting the three through a vertically arranged fixing plate II, the horizontal plate and the fixing plate II are made of stainless steel materials and are firm and durable, the fixing plate II can also be replaced by an I-shaped steel structure, the effects of stable support and quick hoisting can be achieved as long as the effects of stable support and quick hoisting are achieved, the upper layer horizontal plate is connected with a roller 101 of a top beam of a hydraulic support 1, power mechanisms 203 are arranged on the two sides of the head end and the tail end of the upper layer track 201, each power mechanism 203 comprises a push-pull jack I2031 for pushing the track 2 to go forward and a push-pull jack II 2032 for pushing the track 2 to go backward, the push-pull jack I2031 and the push-pull jack II 2032 are respectively fixed on the upper layer track 201 through a fixing block I303, the left side and the right side of the head end of the upper layer track 201 are respectively provided with a push-pull jack II 2032 and a push jack II 2031 and a push jack I2031 and a push jack II 2031 for pushing the tail end of the track 2, the upper layer track 201 and a limiting plate 204 for preventing the rail from sliding on the rail from sliding in the reciprocating hoisting frame 301.
The frame moving lifting seat 301 comprises an active lifting seat and a passive lifting seat, the active lifting seat and the passive lifting seat are fixedly connected through a horizontal fixing plate I302 arranged at the bottom of the active lifting seat, rotary lifting mechanisms 303 are arranged on two sides of the fixing plate I302, the active lifting seat comprises a double-lug plate 3011 hinged to a pin shaft, a driving wheel 3012 and a driven wheel 3013, the driving wheel 3012 and the driven wheel 3013 are arranged on the inner wall of the double-lug plate 3011 and are in sliding connection with a track 2, a small gear 3014 is meshed below the driving wheel 3012, the small gear 3014 is driven by a hydraulic motor 3015 arranged on one side of the double-lug plate 3011 to drive the driving wheel 3012 and the driven wheel 3013 to move, and further drives the active lifting seat and the passive lifting seat to move, and is matched with the rotary lifting mechanisms 303 and the brake mechanism 305 to achieve frame moving lifting.
The passive lifting seat comprises an inverted U-shaped sliding frame 3016 in sliding connection with the track 2, a connecting ring 3017 is rotatably arranged on the inner wall of the bottom of the inverted U-shaped sliding frame 3016, a connecting plate I3018 is hinged to the lower portion of the connecting ring 3017, and the lower end of the connecting plate I3018 is fixedly connected with the fixing plate I302.
The initiative lifting seat set up in fixed plate I302 top both sides, passive lifting seat sets up between the two, initiative lifting seat drives fore-and-aft leading truck 1 reciprocating motion, the effect that auxiliary stay was played to the driven lifting seat, hoist and mount fast, move more steadily.
The middle part of a rotating frame 3033 of the rotating hoisting mechanism 303 is provided with a bearing, the rotating hoisting mechanism 303 and a fixing plate I302 are rotatably connected through a high-strength bolt 3034 by the bearing, lifting hooks 3031 are axially and symmetrically hinged on two sides of the rotating frame 3033, a bidirectional telescopic adjusting jack 3032 for adjusting the opening degree of the lifting hook 3031 is arranged on the inner wall of the lifting hook 3031, two ends of the adjusting jack 3032 are respectively hinged with two side walls of the lifting hook 3031, a wear-resistant layer for increasing resistance is arranged on the inner wall of the lifting hook 3031, and a protrusion for preventing the advance support 1 from sliding is arranged on the surface of the wear-resistant layer.
The forepoling 1 comprises a top beam 102, hydraulic upright columns 103 are arranged on two sides below the top beam 102, column sleeves 104 are arranged on the lower portions of the hydraulic upright columns 103, fixing seats 106 are arranged at the bottom ends of the upright columns, and anti-falling connecting plates II 105 are arranged on the outer sides of the column sleeves 104 to be connected with a plurality of forepoling 1.
When the invention is used, firstly, a track 2 is driven to be separated from a tail-end forepoling 1 by a push-pull jack I2031 and a push-pull jack II 2032 of a power mechanism 203, then a hydraulic upright post 103 of the tail-end forepoling 1 is contracted, a moving lifting seat 301 is moved backwards by a step distance to be above a tail-end forepoling 1 top beam 102, the forepoling 1 top beam 102 is lifted by rotating a lifting hook 3031 of a lifting mechanism 303, then the forepoling 1 is rotated from the (1) position to the (3) position through the (2) position, the forepoling 1 is parallel to the track 2 at this time, a displacement sensor 3042 senses the position of the forepoling 1 top beam 102 and feeds back a signal to a control system, the control system drives the overturning anti-drop plate 3041 to overturn and fix the top beam 102 of the forepoling 1 and drives the electromagnetic adsorption head to adsorb the fixed top beam 102, then the movable lifting seat 301 drives the forepoling 1 to the foremost end, and then the forepoling 1 moves forwards to the previous step of the forepoling 1 at the head end, then the displacement sensor 3042 drives the overturning anti-drop plate 3041 and the electromagnetic adsorption head to withdraw through the control system, the rotary lifting mechanism 303 drives the forepoling 1 to finally move to the (5) position from the (3) position through the (4) position, namely the position parallel to the forepoling 1 at the head end, the lifting hook 3031 lifts the forepoling 1 to the proper position and then lifts the forepoling (1) to prop up, and thus the supporting is realized in a circulating reciprocating way.
Claims (7)
1. The utility model provides a soft rock mining area is advance cycle support system for tunnel, is including forepoling (1) that sets up side by side, the control system who slides and set up track (2) and the control support system operation at forepoling (1) back timber (102) lower extreme, and track (2) extending direction is unanimous with the direction that forepoling (1) was arranged, slides in the track and sets up the frame hoisting accessory (3) that moves that hoist and mount forepoling (1), its characterized in that: the movable frame lifting device (3) comprises a fixed plate I (302), a plurality of movable frame lifting seats (301) are arranged above the fixed plate I (302), the upper ends of the movable frame lifting seats (301) are connected with a rail (2) in a sliding mode, rotary lifting mechanisms (303) are arranged on two sides below the fixed plate I (302), each rotary lifting mechanism (303) comprises a rotary frame (3033) arranged below the fixed plate I (302), lifting hooks (3031) are hinged to two sides of each rotary frame (3033), adjusting jacks (3032) for controlling opening and closing degrees of the lifting hooks (3031) are arranged in the lifting hooks (3031), anti-falling mechanisms (304) are arranged between the rotary lifting mechanisms (303), and each anti-falling mechanism (304) comprises a turnover anti-falling plate (3041) fixedly arranged on the front side and the rear side of the fixed plate I (302), a displacement sensor (3042) arranged below the fixed plate I (302) and an anti-falling jack (3043) arranged on an electrified magnetic head attached to the lower surface of the fixed plate I (302); the rotary lifting mechanism (303) is matched with the track (2) and the moving frame lifting seat (301) to open and close the lifting forepoling (1) in a rotating mode through a lifting hook (3031), then the forepoling (1) is rotated to be under a fixing plate I (302), the displacement sensor (3042) drives the overturning anti-disengaging plate (3041) to overturn the fixing forepoling (1) top beam (102) through the control system and drives the electromagnetic adsorption head to adsorb the fixing top beam (102), then the moving frame lifting seat (301) drives the forepoling (1) to the foremost end, the displacement sensor (3042) drives the overturning anti-disengaging plate (3041) and the electromagnetic adsorption head to withdraw through the control system, the rotary lifting mechanism (303) drives the forepoling (1) to be placed in a proper position in a rotating mode and then lifts the forepoling (1) to prop up, and support is achieved in a circulating reciprocating mode;
the turnover anti-falling plate (3041) comprises a base fixedly arranged on the front side and the rear side of the fixing plate I (302), an anti-falling plate hinged in the base and an electromagnetic fixture block arranged in the base and clamped with the anti-falling plate, and the displacement sensor (3042) drives the electromagnetic fixture block to open and close through a control system so as to drive the turnover anti-falling plate (3041) to turn over and prevent falling;
the track (2) is of a multi-section splicing structure and comprises an upper layer horizontal plate, a middle layer horizontal plate and a lower layer horizontal plate, the upper layer horizontal plate, the middle layer horizontal plate and the lower layer horizontal plate are fixedly connected through a vertically arranged fixing plate II to form an upper layer track (201) and a lower layer track (202), the upper layer horizontal plate is connected with a roller (101) of a top beam of the hydraulic support (1), power mechanisms (203) are arranged on two sides of the head end and the tail end of the upper layer track (201), each power mechanism (203) comprises a push-pull jack I (2031) for pushing the track (2) to move forwards and a push-pull jack II (2032) for pushing the track (2) to move backwards, push-and-pull jack I (2031) and push-and-pull jack II (2032) are fixed on upper track (201) through fixed block I (2033) respectively with respective base, the upper track (201) head end left and right sides is fixed respectively and is set up push-and-pull jack II (2032) and push-and-pull jack I (2031), the upper track (201) tail end left and right sides is fixed respectively and is set up push-and-pull jack I (2031) and push-and-pull jack II (2032), in order to drive upper track (201) on gyro wheel (101) reciprocating sliding, it sets up to move in lower track (202) and erects and hang seat (301), the track both ends still are provided with limiting plate (204) that prevent to move and erect and hang seat (301) derailment.
2. A forepoling system for a soft rock mine roadway according to claim 1, characterized in that: the movable frame lifting seat (301) comprises an active lifting seat and a passive lifting seat, the active lifting seat and the passive lifting seat are fixedly connected through a horizontal fixing plate I (302) arranged at the bottom of the movable frame lifting seat, rotary lifting mechanisms (303) are arranged on two sides of the fixing plate I (302), the active lifting seat comprises a double-lug plate (3011) hinged by a pin shaft, a driving wheel (3012) and a driven wheel (3013) which are arranged on the inner wall of the double-lug plate (3011) and are in sliding connection with a track (2), a small gear (3014) is meshed below the driving wheel (3012), the small gear (3014) is driven by a hydraulic motor (3015) arranged on one side of the double-lug plate (3011) to drive the driving wheel (3012) and the driven wheel (3013) to move, and then the active lifting seat and the passive lifting seat are driven to move, and the movable frame lifting seat is achieved by being matched with the rotary lifting mechanism (303) and a brake mechanism (305).
3. A forepoling system for a soft rock mine roadway according to claim 2, characterized in that: the passive lifting seat comprises an inverted U-shaped sliding frame (3016) in sliding connection with the track (2), a connecting ring (3017) is arranged on the inner wall of the bottom of the inverted U-shaped sliding frame (3016) in a rotating mode, a connecting plate I (3018) is hinged to the lower portion of the connecting ring (3017), and the lower end of the connecting plate I (3018) is fixedly connected with the fixing plate I (302).
4. A forepoling system for a soft rock mine roadway according to claim 2, characterized in that: the active lifting seats are arranged on two sides above the fixing plate I (302), and the passive lifting seats are arranged between the active lifting seats and the passive lifting seats, so that the fore supports (1) at the head and the tail can be conveniently driven to move.
5. A forepoling system for a soft rock mine roadway according to claim 1, characterized in that: the middle of a rotating frame (3033) of the rotating hoisting mechanism (303) is provided with a bearing, the bearing rotatably connects the rotating hoisting mechanism (303) with a fixing plate I (302) through a high-strength bolt (3034), lifting hooks (3031) are axially and symmetrically hinged to two sides of the rotating frame (3033), a bidirectional telescopic adjusting jack (3032) for adjusting the opening degree of the lifting hook (3031) is arranged on the inner wall of the lifting hook (3031), two ends of the adjusting jack (3032) are respectively hinged to two side walls of the lifting hook (3031), a wear-resistant layer for increasing resistance is arranged on the inner wall of the lifting hook (3031), and a protrusion for preventing the sliding of the advance support (1) is arranged on the surface of the wear-resistant layer.
6. A forepoling system for a soft rock mine roadway according to claim 1, characterized in that: it lifts by crane and is equipped with brake mechanism (305) between seat (301) to move about, brake mechanism (305) include two butterfly brake block (3051), the round pin axle at two butterfly brake block (3051) middle parts rotates with fixed block II (3052) and is connected, fixed block II (3052) lower extreme and fixed plate I (302) fixed connection, the lower extreme of two butterfly brake block (3051) is worn to establish the base and the free column of brake jack (3053) in fixed block II (3052) respectively with the level and is articulated, the upper end of two butterfly brake block (3051) sets up arc fixture block (3054), arc fixture block (3054) set up directly over track (2), arc fixture block (3054) inner wall sets up the brake pad of increase frictional force, two butterfly brake block (3051) change its degree of opening and shutting through the free column of brake jack (3053) is flexible and is fixed and is realized the braking on track (2) arc fixture block (3054).
7. A forepoling system for a soft rock mine roadway according to claim 1, characterized in that: the fore support (1) comprises a top beam (102), hydraulic upright columns (103) are arranged on two sides below the top beam (102), column sleeves (104) are arranged on the lower portions of the hydraulic upright columns (103), fixing seats (106) are arranged at the bottom ends of the upright columns, and anti-falling connecting plates II (105) are arranged on the outer sides of the column sleeves (104) to connect a plurality of fore supports (1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710580909.2A CN107218073B (en) | 2017-07-17 | 2017-07-17 | Advanced circulating support system for roadway of soft rock mining area |
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| CN201710580909.2A CN107218073B (en) | 2017-07-17 | 2017-07-17 | Advanced circulating support system for roadway of soft rock mining area |
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| CN107218073B true CN107218073B (en) | 2023-03-31 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107503781A (en) * | 2017-09-30 | 2017-12-22 | 辽宁鑫丰矿业（集团）有限公司 | Brettis and leading support equipment |
| CN107524466B (en) * | 2017-09-30 | 2024-03-29 | 辽宁鑫丰矿业（集团）有限公司 | Advanced support system |
| CN107989641B (en) * | 2017-12-27 | 2024-02-06 | 中国煤炭科工集团太原研究院有限公司 | Complete equipment without repeated support for coal mine return air gate roadway |
| CN113153382B (en) * | 2021-03-13 | 2022-08-02 | 广东中裕水电建设工程有限公司 | Hydraulic tunnel pipeline installation trolley, installation system and installation method |
| CN116677441B (en) * | 2023-07-31 | 2023-09-22 | 山东莱芜科瑞迪汽车配件有限公司 | Supporting plate mounting equipment for roadway support |
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| CN204851299U (en) * | 2015-08-18 | 2015-12-09 | 河南理工大学 | Colliery is combined in pit and is adopted working face hydraulic support loading device |
| WO2017063370A1 (en) * | 2015-10-12 | 2017-04-20 | 山东科技大学 | Self-moving hydraulic end-face support based on parallel mechanism and application thereof |
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| CN204851299U (en) * | 2015-08-18 | 2015-12-09 | 河南理工大学 | Colliery is combined in pit and is adopted working face hydraulic support loading device |
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