CN113175347A - Construction protection method applied to residual mine on top of mine tunnel - Google Patents
Construction protection method applied to residual mine on top of mine tunnel Download PDFInfo
- Publication number
- CN113175347A CN113175347A CN202110493356.3A CN202110493356A CN113175347A CN 113175347 A CN113175347 A CN 113175347A CN 202110493356 A CN202110493356 A CN 202110493356A CN 113175347 A CN113175347 A CN 113175347A
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- mine
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- mining
- fork rod
- construction protection
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- 238000010276 construction Methods 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000005065 mining Methods 0.000 claims abstract description 31
- 239000011435 rock Substances 0.000 claims abstract description 26
- 230000001681 protective effect Effects 0.000 claims abstract description 12
- 239000002699 waste material Substances 0.000 claims abstract description 12
- 238000012790 confirmation Methods 0.000 claims abstract description 4
- 238000011084 recovery Methods 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims abstract description 4
- 230000007246 mechanism Effects 0.000 claims description 15
- 230000000712 assembly Effects 0.000 claims description 10
- 238000000429 assembly Methods 0.000 claims description 10
- 230000005641 tunneling Effects 0.000 claims description 3
- 230000008569 process Effects 0.000 abstract description 6
- 230000006378 damage Effects 0.000 description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001012 protector Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000010878 waste rock Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F13/00—Transport specially adapted to underground conditions
- E21F13/02—Transport of mined mineral in galleries
- E21F13/025—Shuttle cars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
- B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
- B66F11/042—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations actuated by lazy-tongs mechanisms or articulated levers
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/04—Safety devices
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/20—General features of equipment for removal of chippings, e.g. for loading on conveyor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Structural Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention relates to a construction protection method applied to surplus mine on the top of a mine tunnel, which comprises the following steps: grading the quality of rock mass in a high-grade top protection layer mining area in a whole ore range; pre-supporting a mining place according to the quality grade of a stope rock mass, and leveling and compacting the waste rocks of the bottom plate by using a loader; after the protection is finished, the construction protection device is moved to the mining place through safety confirmation; the construction protection device comprises a base with rollers, a liftable protection top plate is arranged above the base, and a manned lifting platform is arranged between the protection plate and the base; the height of the protective top plate is adjusted according to the height of the protective top plate, a constructor stands on the manned lifting platform to adjust the height, and then the front protective top plate is mined through a mining tool; and after the recovery of the top protecting layer in the mining subarea is finished, filling or sealing the waste rocks in time. The construction method is convenient to protect constructors in the residual ore mining process, and improves safety.
Description
Technical Field
The invention relates to a construction protection method applied to residual ores at the top of a mine tunnel.
Background
The ore belongs to non-renewable resources, and the comprehensive recovery and utilization of the non-renewable mineral resources are consistently regarded by developed countries of foreign mining industry. A plurality of methods are applied to some mines in China to recover residual ores, and relatively rich experience is accumulated. In the prior mining process of mineral resources, due to lack of consciousness and means of environmental management, the conditions of over mining and serious resource waste exist, the total quantity of the mineral resources is continuously reduced, meanwhile, the ecological environment is also seriously damaged, and a series of environmental problems of surface subsidence, industrial three wastes and the like are caused. In addition, the condition of falling rocks easily occurs in the mining process of implementing the residual ore extraction, so that the condition of injury by workers is caused, the life safety of constructors is influenced, the safety is low, the whole operation efficiency is influenced, and the like.
Disclosure of Invention
The invention aims to provide a construction protection method applied to residual ores at the top of a mine tunnel, which is convenient for protecting constructors in the residual ore mining process and improves the safety.
The technical scheme of the invention is as follows: a construction protection method applied to surplus mine on the top of a mine tunnel comprises the following steps:
(1) determining the quality grade of rock mass in a mining area, and grading the quality of rock mass in a high-grade top protection layer mining area in a full mine range;
(2) pre-supporting a mining place according to the quality grade of a stope rock mass, and leveling and compacting the waste rocks of the bottom plate by using a loader;
(3) after the supporting is finished, the construction protection device is moved to the mining place after safety confirmation; the construction protection device comprises a base with rollers, a liftable protection top plate is arranged above the base, and a manned lifting platform is arranged between the protection plate and the base;
(4) the height of the protective top plate is adjusted according to the height of the protective top plate, a constructor stands on the manned lifting platform to adjust the height, and then the front protective top plate is mined through a mining tool;
(5) and after the recovery of the top protecting layer in the mining subarea is finished, filling or sealing the waste rocks in time.
Further, the total grade of rock mass quality classification is a stoppable area, a stoppable area after supporting, a stoppable area after strong supporting and a non-stoppable area; and (4) supporting by using an anchor rod trolley, and filling tunneling waste stones to the top and bottom plates at a distance of 3-5 m.
Furthermore, the whole of the top protection layer is in a backward type stoping mode, the construction is in a forward type propelling sequence, and a small amount of high-grade corner ores are stoped together when the top protection layer is stoped.
Furthermore, a liftable positioning and supporting mechanism is arranged on the lower side of the base of the construction protection device, and a traction ring is further arranged at the front end of the base.
Furthermore, the positioning support mechanism comprises four sleeves vertically fixed on the lower side of the base, supporting rods are screwed in the sleeves, and cushion blocks are fixed at the lower ends of the supporting rods; or the positioning and supporting mechanism comprises an electric cylinder which is vertically arranged and is fixedly connected with the base, and a cushion block is fixed at the lower end of a telescopic rod of the electric cylinder.
Furthermore, vertical electric cylinders are vertically fixed on the periphery of the base respectively, and telescopic rods of the vertical electric cylinders are fixedly connected with the protective top plate through fixing blocks.
Further, manned lift platform includes a plurality of pairs of fork arm components that top-down set up, the middle part of fork arm component articulates mutually and forms the X type, and the upside both ends that are located the fork arm component of downside are articulated mutually with the downside both ends that are located the fork arm component of upside respectively, and the downside one end that is located the fork arm component of downside is articulated mutually with the base, and the downside other end and the base sliding connection that are located the fork arm component of downside, the upside one end that is located the fork arm component of the top is articulated mutually with manned platform, and the other end that is located the fork arm component of the top and manned platform sliding connection are located wherein still to be provided with the driving electric jar that the lift of drive manned platform goes up and down between the two fork arm components.
Furthermore, four fork rod assemblies are sequentially arranged from bottom to top, one end of the upper side of the fork rod assembly positioned at the lowest side is hinged with the seat shell of the driving electric cylinder through a connecting piece, and the telescopic rod of the driving electric cylinder is hinged with the other end of the second fork rod assembly from bottom to top through a connecting piece.
Furthermore, sliding grooves are respectively arranged on the base and the manned platform, and the sliding grooves are respectively in sliding fit with the end parts of the corresponding fork rod assemblies.
Furthermore, guard rails are arranged on the periphery of the manned platform, and a door plate which can be opened and closed is arranged on one of the guard rails; the base is also provided with a battery pack.
Compared with the prior art, the invention has the following advantages: the method is convenient to protect constructors in the residual ore mining process, and improves safety. Meanwhile, the construction protection device is compact in structure, low in cost and good in safety, and can effectively reduce the damage of falling rocks above the surplus ore mining process to constructors.
Drawings
FIG. 1 is a schematic view of a construction guard of the present invention;
FIG. 2 is a side view of the construction guard of the present invention;
FIG. 3 is a schematic top view of the construction guard of the present invention;
FIG. 4 is a cross-sectional view A-A of FIG. 1 of the present invention;
in the figure: the method comprises the following steps of 1, a base 2, a protective top plate 3, a traction ring 4, a sleeve 5, a support rod 6, a cushion block 7, a vertical electric cylinder 8, a battery pack 9, a motor 10, a manned lifting platform 11, a fork rod assembly 12, a driving electric cylinder 13, a connecting piece 14, a connecting piece 15, a manned platform 16, a sliding chute 17 and a protective guard.
Detailed Description
In order to make the aforementioned features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below, but the present invention is not limited thereto.
Refer to fig. 1 to 4
A construction protection method applied to surplus mine on the top of a mine tunnel comprises the following steps:
(1) determining the quality grade of rock mass in a mining area, and grading the quality of rock mass in a high-grade top protection layer mining area in a full mine range, wherein the total grade of the quality grade of rock mass is an stopable area, a stopable area after supporting, a stopable area after strong supporting and a non-stopable area;
(2) pre-supporting a mining place according to the quality grade of a stope rock mass, supporting by using an anchor rod trolley, filling tunneling waste rocks until the distance between a top plate and a bottom plate is 3-5 m, and leveling and compacting the bottom plate waste rocks by using a loading machine;
(3) after the supporting is finished, the construction protection device is moved to an exploitation place through safety confirmation, and then the whole device is positioned and fixed through a positioning support mechanism; construction protector is provided with the protection roof 2 of liftable including the base 1 that has the gyro wheel above the base, and the protection roof is the steel sheet that thickness is greater than 10 mm. A manned lifting platform is arranged between the protection plate and the base, so that personnel damage caused by falling rocks above the protection plate is prevented through the protection top plate, and the safety is improved;
(4) according to the height of the top protection layer, the protection top plate is driven to ascend to a required height through the vertical electric cylinder, a constructor stands on the manned lifting platform, then adjusts the height of the manned lifting platform through the driving electric cylinder, the constructor mines the top protection layer in front through a mining tool or drills an anchor hole in the blasting, and the like, and the falling rocks above the top protection layer are effectively reduced through the protection top plate to cause personnel damage.
Wherein, the whole of the top protection layer is retreated mining, the construction is a forward advancing sequence, and a small amount of high-grade corner ores are mined together when the top protection layer is mined.
(5) After the stoping of the top protection layer in the mining subarea is finished, waste rock filling or sealing is carried out in time, safety warning is made, a related safety warning board is hung, and good conditions are created for further safety stoping in the later period.
In this embodiment, in order to guarantee the stability of whole device when the device uses, construction protector's base downside is provided with the location supporting mechanism of liftable. The front end of the base is also provided with a traction ring 3 so as to be connected with a traction mechanism through the traction ring in a mine shaft to drive the whole device to move.
In the embodiment, the positioning and supporting mechanism comprises four sleeves 4 vertically fixed on the lower side of the base, supporting rods 5 are screwed in the sleeves, and cushion blocks 6 are fixed at the lower ends of the supporting rods; or the positioning and supporting mechanism comprises an electric cylinder which is vertically arranged and is fixedly connected with the base, and a cushion block is fixed at the lower end of a telescopic rod of the electric cylinder. Therefore, after the device moves to a designated position, the whole device is kept stable by enabling the supporting rod or the electric cylinder driving cushion block of the positioning and supporting mechanism to be supported on the ground.
In this embodiment, vertical electric jar 7 is vertically fixed with respectively around the base, the telescopic link of vertical electric jar is through fixed block and protection roof fixed connection. Thereby the drive protects the roof and goes up and down to the height of adjustment protection roof according to gallery top height.
In this embodiment, manned lift platform includes a plurality of pairs of fork arm components 11 that top-down set up, the articulated formation X type in middle part mutually of fork arm component, and the upside both ends that are located the fork arm component of downside are articulated mutually with the downside both ends that are located the fork arm component of upside respectively, and the downside one end that is located the fork arm component of downside is articulated mutually with the base, and the downside other end and the base sliding connection that are located the fork arm component of downside, and the upside one end that is located the fork arm component of the most side is articulated mutually with manned platform to the deformation of the fork arm component of being convenient for. The other end of the fork rod component positioned at the uppermost side is connected with the manned platform in a sliding way, and a pair of driving electric cylinders 12 for driving the manned platform to lift are arranged between the two fork rod components. The fork rod assembly is driven to change the included angle by driving the electric cylinder to stretch, so that the manned platform is driven to lift, and the height of a constructor is convenient to control.
In this embodiment, four fork rod assemblies are sequentially arranged from bottom to top, one end of the upper side of the lowest fork rod assembly is hinged to the seat shell of the driving electric cylinder through a connecting piece 13, and the connecting piece 13 is located at the lower side of the corresponding fork rod assembly. The telescopic rod of the driving electric cylinder is hinged with the other end of the second fork rod component from bottom to top through a connecting piece 14, and the connecting piece 14 is positioned at the upper side of the corresponding fork rod component.
In this embodiment, in order to realize that one end of the fork arm assembly is in sliding fit with the base or the manned platform, the manned platform is lifted. The base and the manned platform are respectively provided with a sliding groove 16, the sliding grooves are respectively in sliding fit with the end parts of the corresponding fork rod assemblies, one end of each fork rod assembly is provided with a clamping groove, and the clamping grooves are matched with the convex parts on the sliding grooves so as to prevent the sliding fork rod assemblies from slipping from the base or the manned platform.
In this embodiment, the manned lifting platform may also adopt a scissor-type lifting mechanism sold in the market.
In this embodiment, in order to improve the safety of the construction, guard rails 17 are disposed around the manned platform, and a door plate capable of being opened and closed is disposed on one of the guard rails, so that a constructor can enter the manned platform. In order to supply power to each mechanism or electrical element, a battery pack 8 for supplying power to each mechanism and a motor 9 for driving the roller are arranged on the base, so that the roller is driven by the motor to move the whole device.
The above description is only a preferred embodiment of the present invention, and it will be apparent to those skilled in the art that various modifications of the method for protecting and constructing mine and residual mine at the top of mine tunnel can be made without creative work according to the teaching of the present invention, and all the changes, modifications, substitutions and variations made in the claims of the present invention shall fall within the scope of the present invention without departing from the principle and spirit of the present invention.
Claims (10)
1. A construction protection method applied to residual ores at the top of a mine tunnel is characterized by comprising the following steps:
(1) determining the quality grade of rock mass in a mining area, and grading the quality of rock mass in a high-grade top protection layer mining area in a full mine range;
(2) pre-supporting a mining place according to the quality grade of a stope rock mass, and leveling and compacting the waste rocks of the bottom plate by using a loader;
(3) after the supporting is finished, the construction protection device is moved to the mining place after safety confirmation; the construction protection device comprises a base with rollers, a liftable protection top plate is arranged above the base, and a manned lifting platform is arranged between the protection plate and the base;
(4) the height of the protective top plate is adjusted according to the height of the protective top plate, a constructor stands on the manned lifting platform to adjust the height, and then the front protective top plate is mined through a mining tool;
(5) and after the recovery of the top protecting layer in the mining subarea is finished, filling or sealing the waste rocks in time.
2. The construction protection method applied to the surplus mine at the top of the mine tunnel according to claim 1, wherein the total grade of rock mass quality classification is an stopable area, a stopable area after supporting, a stopable area after strong supporting and a non-stopable area; and (4) supporting by using an anchor rod trolley, and filling tunneling waste stones to the top and bottom plates at a distance of 3-5 m.
3. The construction protection method applied to the surplus mine at the top of the mine tunnel according to claim 1 or 2, characterized in that the whole top protection layer is extracted in a backward mode, the construction is in a forward propulsion sequence, and a small amount of high-grade corner mine is extracted together when the top protection layer is extracted in a backward mode.
4. The construction protection method applied to the surplus mine at the top of the mine tunnel according to claim 1, wherein a liftable positioning support mechanism is arranged on the lower side of a base of the construction protection device, and a traction ring is further arranged at the front end of the base.
5. The construction protection method applied to the surplus mine at the top of the mine tunnel according to claim 4, wherein the positioning and supporting mechanism comprises four sleeves vertically fixed on the lower side of the base, supporting rods are screwed in the sleeves, and cushion blocks are fixed at the lower ends of the supporting rods; or the positioning and supporting mechanism comprises an electric cylinder which is vertically arranged and is fixedly connected with the base, and a cushion block is fixed at the lower end of a telescopic rod of the electric cylinder.
6. The construction protection method applied to the surplus mine at the top of the mine tunnel according to claim 1, 4 or 5, characterized in that vertical electric cylinders are vertically fixed around the base respectively, and telescopic rods of the vertical electric cylinders are fixedly connected with the protection top plate through fixing blocks.
7. The construction protection method applied to the surplus ore at the top of the mine tunnel according to claim 1, 4 or 5, characterized in that the manned lifting platform comprises a plurality of pairs of fork rod assemblies arranged from top to bottom, the middle parts of the fork rod assemblies are hinged to form an X shape, the two ends of the upper side of the fork rod assembly positioned on the lower side are respectively hinged to the two ends of the lower side of the fork rod assembly positioned on the upper side, one end of the lower side of the fork rod assembly positioned on the lowest side is hinged to the base, the other end of the lower side of the fork rod assembly positioned on the lowest side is slidably connected to the base, one end of the upper side of the fork rod assembly positioned on the uppermost side is hinged to the manned platform, the other end of the fork rod assembly positioned on the uppermost side is slidably connected to the manned platform, and a driving electric cylinder for driving the manned platform to lift is further arranged between the two fork rod assemblies.
8. The construction protection device applied to the surplus ore at the top of the mine tunnel according to claim 7, wherein four fork rod assemblies are sequentially arranged from bottom to top, one end of the upper side of the lowest fork rod assembly is hinged with the seat shell of the driving electric cylinder through a connecting piece, and the expansion rod of the driving electric cylinder is hinged with the other end of the second fork rod assembly from bottom to top through a connecting piece.
9. The construction protection device applied to the surplus mine at the top of the mine tunnel according to claim 7, wherein sliding grooves are respectively arranged on the base and the manned platform, and the sliding grooves are respectively in sliding fit with the end parts of the corresponding fork rod assemblies.
10. The construction protection device applied to the surplus mine on the top of the mine tunnel according to claim 5, wherein guard railings are arranged around the manned platform, and a door plate which can be opened and closed is arranged on one of the guard railings; the base is also provided with a battery pack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110493356.3A CN113175347A (en) | 2021-05-07 | 2021-05-07 | Construction protection method applied to residual mine on top of mine tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110493356.3A CN113175347A (en) | 2021-05-07 | 2021-05-07 | Construction protection method applied to residual mine on top of mine tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113175347A true CN113175347A (en) | 2021-07-27 |
Family
ID=76928554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110493356.3A Pending CN113175347A (en) | 2021-05-07 | 2021-05-07 | Construction protection method applied to residual mine on top of mine tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113175347A (en) |
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2021
- 2021-05-07 CN CN202110493356.3A patent/CN113175347A/en active Pending
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