CN108222991B - Coal mining prevents waste residue protection device that falls - Google Patents

Coal mining prevents waste residue protection device that falls Download PDF

Info

Publication number
CN108222991B
CN108222991B CN201810059559.XA CN201810059559A CN108222991B CN 108222991 B CN108222991 B CN 108222991B CN 201810059559 A CN201810059559 A CN 201810059559A CN 108222991 B CN108222991 B CN 108222991B
Authority
CN
China
Prior art keywords
assembly
protection
mounting
snap ring
main rod
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201810059559.XA
Other languages
Chinese (zh)
Other versions
CN108222991A (en
Inventor
谭毅
郭文兵
李振峰
王春
苏发强
神文龙
白二虎
杨达明
冯占杰
赵高博
马志宝
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Henan University of Technology
Original Assignee
Henan University of Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Henan University of Technology filed Critical Henan University of Technology
Priority to CN201810059559.XA priority Critical patent/CN108222991B/en
Publication of CN108222991A publication Critical patent/CN108222991A/en
Application granted granted Critical
Publication of CN108222991B publication Critical patent/CN108222991B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/03Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor having protective means, e.g. shields, for preventing or impeding entry of loose material into the working space or support

Abstract

The invention discloses a coal mining anti-waste residue falling protection device, which utilizes a middle supporting main rod and a supporting fixed auxiliary rod which are supported on a supporting plate, the middle supporting main rod and the supporting fixed auxiliary rod can extend to the upper part of a mining point and are protected by a protective sleeve of a protection component, thereby preventing waste residue after mining at the mining point from falling, effectively protecting the personal safety of miners, simultaneously, the mounting frame plate of the invention can be movably arranged, can conveniently lead the mounting frame plate to advance along with mining tunneling, is convenient to operate, in addition, the protective sleeve of the invention adopts a connecting component for convenient connection, can be rapidly assembled, an air pump is arranged in the connecting component for convenient maintenance and configuration, the invention adopts the protective sleeve which is filled with gas for protection, can enhance the protection performance, improve the protection effect and effectively support the top wall with waste residue, preventing the waste residue from falling.

Description

Coal mining prevents waste residue protection device that falls
Technical Field
The invention relates to a coal mining waste residue falling prevention protection device, and belongs to the technical field of coal mining safety auxiliary equipment.
Background
Although coal mines are abundant in reserves, most coal beds in China are far away from the earth surface, so that an open-pit mining mode cannot be used. For downhole production, it is common to advance in a coal seam while supporting it. However, in the mining face at the mining front end, because the top wall at the upper part of the mining face needs to be supported after mining, a waste slag layer at the upper end of the coal seam is exposed along with the mining of the lower coal seam in the mining process, and the coal slag is easy to fall down to cause danger to mining personnel. However, the supporting roof at the front end of mining is not supported in time, so that the coal cinder is difficult to effectively prevent falling.
Aiming at the problems, the invention provides the coal mining waste residue falling prevention protection device, which can effectively prevent waste residues from falling before supporting at a mining part and effectively protect the personal safety of miners.
Disclosure of Invention
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a coal mining prevents waste residue protection device that falls which characterized in that, it includes mounting bracket subassembly and protection subassembly, a serial communication port, mounting bracket subassembly includes fixed stay subassembly and removal installation component, wherein, the fixed stay subassembly is fixed to be set up on the bracing piece at coal mine tunnel top or the backplate, just the fixed stay subassembly along the setting is extended to the direction of tunnelling in coal mine tunnel, the mobilizable setting of removal installation component is in on the fixed stay subassembly, protection subassembly detachable sets up remove on the installation component.
Further, as preferred, fixed supporting component includes the intermediate strut mobile jib and supports fixed auxiliary rod, the direction that the intermediate strut mobile jib tunneled along the coal mine extends, and extends to the colliery and tunnel the department directly over, support fixed auxiliary rod with intermediate strut mobile jib parallel arrangement, and be located the both sides of intermediate strut mobile jib, the intermediate strut mobile jib all fixes on fender rod or a backplate with supporting fixed auxiliary rod.
Further, as preferred, remove the installation component and include a plurality of parallel arrangement's mounting bracket, the installation is provided with a plurality of protection subassemblies between two adjacent mounting brackets, and each protection subassembly closely laminates the setting, the length extending direction of mounting bracket with the intermediate strut mobile jib is arranged perpendicularly, the mounting bracket includes the integrative installation frame plate that sets up, buckle the connector and support and lean on the kink, the both ends of installation frame plate adopt buckle the articulate support lean on the kink, support to lean on the kink for the arc structure so that will support to lean on the kink and lean on the tunnel wall setting that leans on the tunnel in place, the mobilizable support of mounting bracket is established on intermediate strut mobile jib and the support fixed auxiliary rod.
Further, as preferred, the protection subassembly includes coupling assembling and protective sheath, the end connection of protective sheath is in on the coupling assembling, coupling assembling connects and sets up in the mounting hole on the location scarf groove board on the mounting bracket board, location scarf groove board along the direction extension setting of mounting bracket board.
Further, as preferred, the protective sheath is the elastic sleeve, and its inside cavity that is provided with the gas filling, be provided with in the coupling assembling to the cavity is filled gaseous air pump.
Further, as preferred, coupling assembling includes connection socket, connecting plug and fastening components, connection socket's one end stretches into to inlay to establish to be fixed in the mounting hole, connection socket's the other end has connection plug's one end is inserted and is closed and link together, and by fastening components fastening together, connection plug's the other end adopts the gas outlet head to connect to set up on the protective sheath, connection plug with be provided with in the cavity that connection socket constitutes the air pump, the air pump outlet duct of air pump passes through the gas outlet head is connected to the cavity of protective sheath.
Further, as preferred, fastening components includes jump ring, snap ring one, snap ring two, lock sleeve, position circle and jump ring down, connecting plug's upper portion is provided with the location shoulder, location shoulder lower part is provided with the draw-in groove, the last draw-in groove that also is provided with of connection socket, snap ring one and snap ring two are half cylinder ring, just the tip of snap ring one and snap ring two is provided with the radial inboard card shoulder that extends of orientation, snap ring one and snap ring two are blocked and are established in the draw-in groove, the outside cover of snap ring one and snap ring two is equipped with the lock sleeve, the upper end of lock sleeve is fixed a position by last jump ring, the lower extreme of lock sleeve by jump ring block location down, it is fixed a position on the location shoulder to go up the jump ring, the jump ring card is established down in connection socket's jump ring inslot.
Further, as preferred, the installation frame plate lean on to lean on still to be provided with the support mounting groove on the kink, the protection band is tied up and is established support mounting groove is last.
Further, preferably, the middle supporting main rod and the supporting and fixing auxiliary rod are both made of high-strength steel bars.
Compared with the prior art, the invention has the beneficial effects that:
the middle supporting main rod and the supporting fixing auxiliary rod which are supported on the supporting plate are utilized, the middle supporting main rod and the supporting fixing auxiliary rod can extend to the upper side of a mining point and are protected by the protective sleeve of the protection assembly, waste residues after mining at the mining point are prevented from falling, the personal safety of a miner can be effectively protected, meanwhile, the mounting frame plate can be movably arranged, the mounting frame plate can conveniently move forward along with mining and tunneling, the operation is convenient, in addition, the protective sleeve is convenient to connect by the connecting assembly and can be rapidly assembled, the air pump is arranged in the connecting assembly, the maintenance and configuration are convenient, the protective sleeve filled with gas is adopted for protection, the protection performance can be enhanced, the protection effect is improved, the top wall with the waste residues is effectively supported, and the waste residues are prevented from falling.
Drawings
FIG. 1 is a schematic structural view of a mounting bracket assembly of the coal mining anti-slag fall protection device of the invention;
FIG. 2 is a schematic structural diagram of a protection assembly of the coal mining anti-slag falling protection device of the invention;
FIG. 3 is an enlarged schematic view of a protection assembly of the coal mining anti-slag fall protection device of the invention;
wherein, 1, the mounting bracket board, 2, the connector of buckling, 3, support by the kink, 4, the middle mobile jib that supports, 5, support fixed auxiliary rod, 6, location scarf plate, 7, the mounting hole, 8, coupling assembling, 9, protective sheath, 10, connection socket, 11, connecting plug, 12, the head of giving vent to anger, 13, go up the jump ring, 14, snap ring one, 15, snap ring two, 16, the lock sleeve, 17, the position circle, 18, lower jump ring, 19, the air pump, 20, the air pump outlet duct.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a coal mining prevents waste residue protection device that falls which characterized in that, it includes mounting bracket subassembly and protection subassembly, a serial communication port, mounting bracket subassembly includes fixed stay subassembly and removal installation component, wherein, the fixed stay subassembly is fixed to be set up on the bracing piece at coal mine tunnel top or the backplate, just the fixed stay subassembly along the setting is extended to the direction of tunnelling in coal mine tunnel, the mobilizable setting of removal installation component is in on the fixed stay subassembly, protection subassembly detachable sets up remove on the installation component.
As shown in fig. 1, the fixed supporting component comprises an intermediate supporting main rod 4 and a supporting fixed auxiliary rod 5, the intermediate supporting main rod 4 extends along the direction of coal mine roadway excavation and extends to the position right above the coal mine excavation point, the supporting fixed auxiliary rod 5 is arranged in parallel with the intermediate supporting main rod 4 and is located on two sides of the intermediate supporting main rod 4, and the intermediate supporting main rod 4 and the supporting fixed auxiliary rod 5 are fixed on a guard bar or a guard plate.
Remove the installation component and include a plurality of parallel arrangement's mounting bracket, the installation is provided with a plurality of protection subassemblies between two adjacent mounting brackets, and each protection subassembly closely laminates the setting, the length extending direction of mounting bracket with the intermediate strut mobile jib is arranged perpendicularly, the mounting bracket includes the integrative installation frame plate 1 that sets up, buckle connector 2 and support and lean on kink 3, the both ends of installation frame plate 1 are adopted buckle connector 2 is connected support and lean on kink 3, support to lean on kink 3 be the arc structure so that will support and lean on the tunnel wall setting that the kink supported the tunnel in place tunnel, the mobilizable support of mounting bracket is established on intermediate strut mobile jib 4 and support fixed auxiliary rod 5.
The protection component includes coupling assembling and protective sheath 9, the end connection of protective sheath 9 is in on the coupling assembling 8, coupling assembling 8 connects and sets up in the mounting hole 7 on the location scarf groove board 6 on the mounting bracket board 1, location scarf groove board 6 follows the direction extension setting of mounting bracket board.
As shown in fig. 2, the protective sleeve 9 is an elastic sleeve, and a cavity filled with gas is arranged in the protective sleeve, and a gas pump for filling gas into the cavity is arranged in the connecting assembly.
As shown in fig. 3, coupling assembling includes connection socket 10, connecting plug 11 and fastening components, connection socket 10's one end stretches into to inlay to establish to be fixed in the mounting hole, connection socket 10's the other end has connecting plug 11's one end is inserted and is closed and link together, and by fastening components fastens together, connection plug 11's the other end adopts gas outlet head 12 to connect and sets up on the protective sheath, connection plug with be provided with in the cavity that connection socket constitutes air pump 19, the air pump outlet duct 20 of air pump passes through gas outlet head 12 is connected to the cavity of protective sheath.
For convenient assembly and disassembly, the fastening assembly comprises an upper snap spring 13, a first snap ring 14, a second snap ring 15, a locking sleeve 16, a positioning ring 17 and a lower snap spring 18, the upper part of the connecting plug 11 is provided with a positioning shoulder, the lower part of the positioning shoulder is provided with a clamping groove, the connecting socket 10 is also provided with a clamping groove, the buckling ring I and the buckling ring II are both semi-cylindrical rings, the end parts of the first buckling ring and the second buckling ring are provided with clamping shoulders extending towards the radial inner side, the first buckling ring 14 and the second buckling ring 15 are clamped in the clamping grooves, the locking sleeve 16 is sleeved outside the first buckling ring 14 and the second buckling ring 15, the upper end of the locking sleeve is positioned by the upper clamp spring 13, the lower end of the locking sleeve is clamped and positioned by the lower clamp spring, the upper clamp spring 13 is positioned on the positioning shoulder, and the lower clamp spring 18 is clamped in a clamp spring groove of the connecting socket.
In this embodiment, as shown in fig. 1, the support mounting groove is further disposed on the support bending portion of the mounting frame plate, and the protection band is bound on the support mounting groove. In order to ensure the supporting rigidity, the middle supporting main rod and the supporting and fixing auxiliary rod are both made of high-strength steel bars.
The middle supporting main rod and the supporting fixing auxiliary rod which are supported on the supporting plate are utilized, the middle supporting main rod and the supporting fixing auxiliary rod can extend to the upper side of a mining point and are protected by the protective sleeve of the protection assembly, waste residues after mining at the mining point are prevented from falling, the personal safety of a miner can be effectively protected, meanwhile, the mounting frame plate can be movably arranged, the mounting frame plate can conveniently move forward along with mining and tunneling, the operation is convenient, in addition, the protective sleeve is convenient to connect by the connecting assembly and can be rapidly assembled, the air pump is arranged in the connecting assembly, the maintenance and configuration are convenient, the protective sleeve filled with gas is adopted for protection, the protection performance can be enhanced, the protection effect is improved, the top wall with the waste residues is effectively supported, and the waste residues are prevented from falling.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (3)

1. The coal mining anti-waste residue falling protection device is characterized by comprising a mounting frame assembly and a protection assembly, wherein the mounting frame assembly comprises a fixed support assembly and a movable mounting assembly, the fixed support assembly is fixedly arranged on a support rod or a support plate at the top of a coal mine roadway, the fixed support assembly extends along the tunneling direction of the coal mine roadway, the movable mounting assembly is movably arranged on the fixed support assembly, and the protection assembly is detachably arranged on the movable mounting assembly;
the fixed supporting assembly comprises a middle supporting main rod and a supporting fixed auxiliary rod, the middle supporting main rod extends along the tunneling direction of a coal mine tunnel and extends to the position right above the tunneling point of the coal mine, the supporting fixed auxiliary rod and the middle supporting main rod are arranged in parallel and are positioned at two sides of the middle supporting main rod, and the middle supporting main rod and the supporting fixed auxiliary rod are both fixed on a guard bar or a supporting guard plate;
the movable mounting assembly comprises a plurality of mounting frames which are arranged in parallel, a plurality of protection assemblies are arranged between every two adjacent mounting frames, each protection assembly is arranged in a close fit mode, the length extending direction of each mounting frame is perpendicular to the middle supporting main rod, each mounting frame comprises an integrally arranged mounting frame plate, a bending connector and a propping bending part, the two ends of each mounting frame plate are connected with the propping bending parts through the bending connectors, the propping bending parts are of arc structures so as to enable the propping bending parts to prop against the roadway wall of the coal mine roadway, and the mounting frames are movably supported on the middle supporting main rod and the supporting fixing auxiliary rod;
the protection assembly comprises a connecting assembly and a protection sleeve, the end part of the protection sleeve is connected to the connecting assembly, the connecting assembly is connected in a mounting hole in a positioning embedded groove plate arranged on the mounting frame plate, and the positioning embedded groove plate extends along the direction of the mounting frame plate;
the protective sleeve is an elastic sleeve, a cavity filled with gas is formed in the protective sleeve, and a gas pump for filling gas into the cavity is arranged in the connecting component;
the connecting assembly comprises a connecting socket, a connecting plug and a fastening assembly, one end of the connecting socket extends into the mounting hole and is fixedly embedded in the mounting hole, one end of the connecting plug is arranged at the other end of the connecting socket in an inserting and combining mode and is fastened together by the fastening assembly, the other end of the connecting plug is arranged on the protective sleeve in a connecting mode through the air outlet head, the air pump is arranged in a cavity formed by the connecting plug and the connecting socket, and the air pump air outlet pipe of the air pump is connected to the cavity of the protective sleeve through the air outlet head;
fastening components includes jump ring, snap ring one, snap ring two, lock sleeve, position circle and jump ring down, connecting plug's upper portion is provided with the location shoulder, location shoulder lower part is provided with the draw-in groove, the last draw-in groove that also is provided with of connection socket, snap ring one and snap ring two are the semi-cylindrical ring, just the tip of snap ring one and snap ring two is provided with the radial inboard clip shoulder that extends of orientation, snap ring one and snap ring two block establish in the draw-in groove, the outside cover of snap ring one and snap ring two is equipped with the lock sleeve, the upper end of lock sleeve is fixed a position by last jump ring, the lower extreme of lock sleeve by jump ring block location down, it is in to go up the jump ring location shoulder in the location, the jump ring card is established down the clamp spring inslot of connection socket.
2. The coal mining anti-slag falling protection device as claimed in claim 1, wherein: the installation frame plate lean on to lean on still being provided with the support mounting groove on the kink, the protecting band is tied up and is established support mounting groove is last.
3. The coal mining anti-slag falling protection device as claimed in claim 1, wherein: the middle supporting main rod and the supporting fixing auxiliary rod are both made of high-strength steel bars.
CN201810059559.XA 2018-01-22 2018-01-22 Coal mining prevents waste residue protection device that falls Active CN108222991B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810059559.XA CN108222991B (en) 2018-01-22 2018-01-22 Coal mining prevents waste residue protection device that falls

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810059559.XA CN108222991B (en) 2018-01-22 2018-01-22 Coal mining prevents waste residue protection device that falls

Publications (2)

Publication Number Publication Date
CN108222991A CN108222991A (en) 2018-06-29
CN108222991B true CN108222991B (en) 2020-06-16

Family

ID=62668339

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810059559.XA Active CN108222991B (en) 2018-01-22 2018-01-22 Coal mining prevents waste residue protection device that falls

Country Status (1)

Country Link
CN (1) CN108222991B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109339833B (en) * 2018-12-05 2020-10-16 贵州大学 Coal mining protection device capable of preventing waste residues from falling

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4189257A (en) * 1977-07-07 1980-02-19 Taiheiyo Engineering Inc. Sheltering apparatus for use in long wall mining
CN2171006Y (en) * 1993-04-11 1994-07-06 寸代维 Light-duty protective support and its moving device
CN102434178A (en) * 2011-12-14 2012-05-02 枣庄矿业(集团)有限责任公司滨湖煤矿 Mining forepoling net
CN204175324U (en) * 2014-11-15 2015-02-25 中煤北京煤矿机械有限责任公司 Bracket in Thin Coal Seam special gear cash net arrangement
CN105673039A (en) * 2016-02-02 2016-06-15 安徽理工大学 Gob-side entryretaining roadway-side flexible and high-strength material bearing construction structure and construction method thereof
CN205578020U (en) * 2016-03-03 2016-09-14 辽宁工程技术大学 Formula of taking a step tunnelling supporting device suitable for hard rock tunnelling
CN106285753A (en) * 2016-09-14 2017-01-04 安徽理工大学 A kind of immediate support device of high intensity
CN106958451A (en) * 2017-05-12 2017-07-18 河南理工大学 A kind of coal mine roadway tunnels auxiliary shoring device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4189257A (en) * 1977-07-07 1980-02-19 Taiheiyo Engineering Inc. Sheltering apparatus for use in long wall mining
CN2171006Y (en) * 1993-04-11 1994-07-06 寸代维 Light-duty protective support and its moving device
CN102434178A (en) * 2011-12-14 2012-05-02 枣庄矿业(集团)有限责任公司滨湖煤矿 Mining forepoling net
CN204175324U (en) * 2014-11-15 2015-02-25 中煤北京煤矿机械有限责任公司 Bracket in Thin Coal Seam special gear cash net arrangement
CN105673039A (en) * 2016-02-02 2016-06-15 安徽理工大学 Gob-side entryretaining roadway-side flexible and high-strength material bearing construction structure and construction method thereof
CN205578020U (en) * 2016-03-03 2016-09-14 辽宁工程技术大学 Formula of taking a step tunnelling supporting device suitable for hard rock tunnelling
CN106285753A (en) * 2016-09-14 2017-01-04 安徽理工大学 A kind of immediate support device of high intensity
CN106958451A (en) * 2017-05-12 2017-07-18 河南理工大学 A kind of coal mine roadway tunnels auxiliary shoring device

Also Published As

Publication number Publication date
CN108222991A (en) 2018-06-29

Similar Documents

Publication Publication Date Title
CN105003288B (en) A kind of method and support system of medium-thickness seam gob side entry retaining
CN105952453B (en) Longwell protrusive working face of coal seam mechanization exploits complete set of equipments without lane
CN108222991B (en) Coal mining prevents waste residue protection device that falls
CN104533518A (en) Protection support for roadway-side packing wall
CN103615269A (en) Improved soft rock roadway integral tunneling protection support
CN108374684A (en) Fully-mechanized mining working faces end head abnormal shape support apparatus
CN204984458U (en) Medium -thickness seam gob entry's support system
CN201363144Y (en) Development machine piggyback temporary support
CN112377226A (en) Rock burst protective bracket with monitoring function
CN201460938U (en) Forward supporting type end hydraulic support
CN107448223A (en) Underground coal mine rectangular shaped roadways branch protecting assembly
CN207847649U (en) A kind of superelevation tunnel gob side entry retaining suspension device
CN201606075U (en) Digging protection machinery
CN203394552U (en) Roadway support protecting net and support system
CN203394535U (en) Folding gripper
CN216342109U (en) Protection device for coal mine tunneling
CN115788519A (en) Hydraulic shield support, shield retaining wall and gob-side entry retaining method based on shield retaining wall
CN205135686U (en) Colliery is light -duty advance support hydraulic support in pit
CN201730633U (en) Sliding beam hinged sliding hydraulic support
CN204402528U (en) A kind of for tunneling the shield structure support with back production
CN213116362U (en) Steep roadside hydraulic support group
CN210599053U (en) Two-frame one-set middle-placed type caving coal end support
CN2911187Y (en) Digging-protecting integrated development machine
CN214533008U (en) Safety device for coal mining
CN212927910U (en) Support position adjustable colliery hydraulic support

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant