CN109281693A - Mining fast quick access top forestope - Google Patents

Mining fast quick access top forestope Download PDF

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Publication number
CN109281693A
CN109281693A CN201811286038.4A CN201811286038A CN109281693A CN 109281693 A CN109281693 A CN 109281693A CN 201811286038 A CN201811286038 A CN 201811286038A CN 109281693 A CN109281693 A CN 109281693A
Authority
CN
China
Prior art keywords
forestope
clamp plate
hanger
nut
quick access
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.)
Withdrawn
Application number
CN201811286038.4A
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Chinese (zh)
Inventor
姜继巧
王建军
刘涛
魏文杰
姬生华
庞静
刘娟
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Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN201811286038.4A priority Critical patent/CN109281693A/en
Publication of CN109281693A publication Critical patent/CN109281693A/en
Withdrawn legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D17/00Caps for supporting mine roofs
    • E21D17/02Cantilever extension or similar protecting devices
    • E21D17/03Brackets for roof-supporting bars
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D17/00Caps for supporting mine roofs
    • E21D17/10Details of mine caps for engaging the tops of pit-props, with or without retaining-plates; Retaining-plates

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)

Abstract

The present invention relates to a kind of mining fast quick access top forestopes, belong to coal mine field.The technical solution adopted by the present invention is that: top beam is connect including being arranged on the inner top panel of tunnel, one end of forestope is hinged and connected in the middle part of top beam by articulated manner with connecing, three groups of roofbolts being located along the same line are additionally provided on the inner top panel of tunnel, the roofbolt that two groups of front and back is equipped with horizontal hanger, hanger is fixed on roofbolt at middle part, the both ends of hanger are equipped with vertical threaded rod, the both ends aperture of a pair of of clamping plate covers on two threaded rods, two clamping plates clamp forestope one on the other, the nut of multiple cooperations is additionally provided on threaded rod, nut positions upper clamp plate on upper clamp plate, nut supports lower clamp plate under lower clamp plate.In the intact region of supporting, forward insertion connects top beam completion supporting to operator forward, does not have to enter empty top zone;Waste and scrap welding can be used, wood consumption is reduced;It is more convenient in terms of execute-in-place, it is practical in the actual construction process.

Description

Mining fast quick access top forestope
Technical field
The present invention relates to a kind of mining fast quick access top forestopes, belong to coal mine field.
Background technique
Forestope used at present is chain suspension type, that is, uses three chains taken root in top plate as sling point by preceding spy Beam is hung on top plate, connects reality with top plate with connecing jack rafter, mine timber, Pi etc. before beam.This mode structure is simple, and construction is simple.But It is to connect top complex procedures, connects the waste of the timber such as jack rafter, mine timber seriously, operating safety factor is low, a possibility that pushing up operation of having time, work When it is longer.Top is seldom connect if connecing top completely as required will affect unit drilling depth, when so operating at the scene, forestope can only conduct Ornaments.
Summary of the invention
Deficiency in order to overcome the problems referred above, the present invention provide a kind of mining fast quick access top forestope, realize safer Quick forestope connects top operation, and reduction connects jack rafter, Pi, timber wedge etc. and connects topping material use.
To achieve the above object, the technical solution adopted by the present invention is that:
Mining fast quick access top forestope, including the top beam that connects being arranged on the inner top panel of tunnel, one end of forestope passes through hinged side Formula is hinged and connected with connecing in the middle part of top beam, and three groups of roofbolts being located along the same line, front and back are additionally provided on the inner top panel of tunnel Two groups of roofbolt is equipped with horizontal hanger, and hanger is fixed on roofbolt at middle part, and the both ends of hanger are equipped with vertical The both ends aperture of threaded rod, a pair of of clamping plate covers on two threaded rods, and two clamping plates clamp forestope one on the other, also sets on threaded rod There is the nut of multiple cooperations, nut positions upper clamp plate on upper clamp plate, and nut supports lower clamp plate under lower clamp plate;It is intermediate Roofbolt be equipped with suspension chain, suspension chain lower end connection forestope middle part.
Preferably, being equipped with upper groove among the downside of the upper clamp plate, the upper side of lower clamp plate is equipped with lower groove, preceding Beam is visited to be placed between the upper groove of upper clamp plate and the lower groove of lower clamp plate.
Preferably, the hanger is horizontal transverse strands, the lower end that roofbolt leaks out tunnel inner top panel, which is welded in, is hung The upper side middle position of frame, described two isometric threaded rods tops are welded in the downside both ends of hanger.
Preferably, the suspension chain is chain of taking root, chain root weld of taking root is in roofbolt.
Further preferably the top beam that connects is arranged on the inner top panel of tunnel by roofbolt, connects the downside of top beam Middle part is equipped with the two symmetrical otic placodes for having axis hole, the fixing end expense hole of forestope, and hinged shaft passes through pin hole, and the both ends of hinged shaft are worn In the axis hole of otic placode.
Preferably, the forestope is the lower groove of round tube lower clamp plate and the upper groove of upper clamp plate is corresponding round tube size Arc groove.
The present invention has the advantages that
In terms of safety, when connecing top construction, in the intact region of supporting, forward insertion connects top beam completion supporting to operator forward, Without entering empty top zone, safety is reliable than before;
In terms of economy, forestope repacking Master Cost is little, and waste and scrap weldering can be used in erecting by overhang, threaded rod etc. It connects, turns waste into wealth, meet the focus of work of " section branch consumption reduction ", and connect jack rafter, Pi, timber wedge etc. and connect the usage amount of topping material and subtract Few, wood consumption is reduced;
The present apparatus connects top forestope operating aspect at the scene, more convenient before opposite, and it is simple that auxiliary connects top process, is actually applying It is practical during work.
Detailed description of the invention
Fig. 1 is the side scheme of installation of the present invention at work;
Fig. 2 is the erecting by overhang scheme of installation in the forestope of fast quick access top;
Fig. 3 is multiple groups of the present invention while the structure chart that uses.
Description of symbols in figure: 1, forestope;2, hanger;3, suspension chain;4, otic placode;5, top beam is connect;6, upper clamp plate;7, lower folder Plate;8, nut;9, anchor nut;10, threaded rod, 11 roofbolts.
Specific embodiment
Specific description is specifically made with regard to of the invention below
Such as lateral plan of the Fig. 1 after present apparatus installation, the present apparatus includes being arranged on the inner top panel of tunnel to connect top beam 5, preceding spy One end of beam 1 is hinged and connected by articulated manner with the middle part for connecing top beam 5, and three groups are additionally provided on the inner top panel of tunnel and is located at always Roofbolt 11 on line, the roofbolt 11 that two groups of front and back are equipped with horizontal hanger 2, and hanger 2 is fixed on top plate at middle part Anchor pole 11, hanger 2 are horizontal transverse strands, and the lower end that roofbolt 11 leaks out tunnel inner top panel is welded in the upper side of hanger 2 Anchor nut 9 is equipped in the middle part of the upper side of middle position or hanger 2, the hanger 2 of 9 lower section of anchor nut is provided with through-hole, anchor pole Lower end and anchor nut 9 cooperate.
Intermediate roofbolt 11 is equipped with suspension chain 3, and suspension chain 3 is chain of taking root, and chain root weld of taking root is in top plate Anchor pole 11, the middle part of the lower end connection forestope 1 of suspension chain 3.
As shown in Fig. 2, the downside both ends of hanger 2 are welded at the top of two isometric vertical threaded rods 10, a pair of of clamping plate Both ends aperture covers on two threaded rods 10, and two clamping plates clamp forestope 1 one on the other, is equipped among the downside of upper clamp plate 6 upper Groove, the upper side of lower clamp plate 7 are equipped with lower groove, forestope 1 be placed in upper clamp plate 6 upper groove and lower clamp plate 7 lower groove it Between.The nut of multiple cooperations is additionally provided on threaded rod 10, nut positions upper clamp plate 6 on upper clamp plate 6, and nut is in lower clamp plate Lower clamp plate 7 is supported under 7;
It connects top beam 5 to be arranged on the inner top panel of tunnel by roofbolt 11, connects and symmetrically had in the middle part of the downside of top beam 5 equipped with two The otic placode 4 of axis hole, the fixing end expense hole of forestope 1, hinged shaft pass through pin hole, and the both ends of hinged shaft are threaded through in the axis hole of otic placode 4. Forestope 1 is the lower groove of round tube lower clamp plate 7 and the upper groove of upper clamp plate 6 is the arc groove of corresponding round tube size.Forestope 1 with Hinged shaft can be rotated as center of rotation
All components cooperatively form fast quick access top forestope by assembling, and position sum number amount can adjust between each component.This dress It sets and can be single use, be also possible to multiple groups cooperation, be as shown in Figure 3 two groups and be used cooperatively.
The working principle of the present apparatus, forestope 1 is by 3 hanging point of suspension chain and two adjustable hangers, with hanging Chain 3 is fulcrum, and it is main dynamic deformation from motion point that hanger, which is adjusted, by adjusting ceiling height, realizes that forestope 1 tilts, connects the work of top beam 5 Used in top plate, realization connects top work.The setting of top beam 5 is connect with hinged shaft rotary part, forestope 1 can be made to adapt to top plate height feelings Condition is realized and closely connects top.
Each component material can change or reinforce in the present apparatus, to adapt to the concrete condition inside tunnel.Forestope 1 is also Other forestope affiliated facilities can be increased, for example forestope is spraying etc..
All parts disassembly is first transported to erecting bed respectively, is constructed according to well lane engineering by the installation steps of the present apparatus Situation meets head on direction ceiling location in tunneling construction, selects three top plate roofbolts 11 as lifting point, first by two hangers It is fixed on roofbolt 11 with a suspension chain by matching roofbolt nut, then forestope and intermediate fixed point is installed and hung Chaining, hanger install threaded rod 10, are from top to bottom respectively nut, upper clamp plate, forestope, lower clamp plate and spiral shell on threaded rod 10 It is female.Clamping plate is fastened on threaded rod by fastening nut, and forestope rear end is arranged on the otic placode for connecing top beam by hinged shaft.It installs Bi Hou, the upper lower nut control forestope adjusted in the hanger of front and back connect real top plate.As boring head advances, forestope is to Forward The distance that dynamic two lattice i.e. two are netted, then first move forward to intermediate suspension chain and meet head on, and then unclamps the nut of front hanger, visits before moving forward Beam, before rear hanger is moved to suspension chain, then by connect top step completion connect top.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as Protection scope of the present invention.

Claims (7)

1. a kind of mining fast quick access top forestope, characterized in that connect top beam (5), preceding spy including being arranged on the inner top panel of tunnel One end of beam (1) is hinged and connected in the middle part of top beam (5) by articulated manner and connecing, and three groups are additionally provided on the inner top panel of tunnel and is located at together Roofbolt (11) on one straight line, the roofbolt (11) that two groups of front and back are equipped with horizontal hanger (2), and hanger (2) is in Portion is fixed on roofbolt (11), and the both ends of hanger (2) are equipped with vertical threaded rod (10), and the both ends aperture of a pair of of clamping plate covers On two threaded rods (10), two clamping plates are clamped forestope (1) one on the other, and the nut of multiple cooperations is additionally provided on threaded rod (10), Nut positions upper clamp plate (6) on upper clamp plate (6), and nut supports lower clamp plate (7) under lower clamp plate (7);Intermediate top Plate anchor pole (11) is equipped with suspension chain (3), the middle part of lower end connection forestope (1) of suspension chain (3).
2. mining fast quick access top forestope according to claim 1, characterized in that in the downside of the upper clamp plate (6) Between be equipped with upper groove, the upper side of lower clamp plate (7) is equipped with lower groove, and forestope (1) is placed in the upper groove and lower folder of upper clamp plate (6) Between the lower groove of plate (7).
3. mining fast quick access top forestope according to claim 1, characterized in that the hanger (2) is horizontal transverse direction Frame, the lower end that roofbolt (11) leaks out tunnel inner top panel are welded in the upper side middle position of hanger (2), and described two is isometric The downside both ends of hanger (2) are welded at the top of threaded rod (10).
4. mining fast quick access top forestope according to claim 1, characterized in that in the middle part of the upper side of the hanger (2) Equipped with anchor nut (9), the hanger (2) below anchor nut (9) is provided with through-hole, and the lower end and anchor nut (9) of anchor pole cooperate.
5. mining fast quick access top forestope according to claim 1, characterized in that the suspension chain (3) is chain of taking root, Chain root weld of taking root is in roofbolt (11).
6. mining fast quick access top forestope according to claim 1, characterized in that described connect top beam (5) pass through top plate anchor Bar (11) is arranged on the inner top panel of tunnel, connects and is equipped with the two symmetrical otic placodes (4) for having axis hole in the middle part of the downside of top beam (5), preceding The fixing end expense hole of beam (1) is visited, hinged shaft passes through pin hole, and the both ends of hinged shaft are threaded through in the axis hole of otic placode (4).
7. mining fast quick access top forestope according to claim 2, characterized in that the forestope (1) is to press from both sides under round tube The lower groove of plate (7) and the upper groove of upper clamp plate (6) are the arc groove of corresponding round tube size.
CN201811286038.4A 2018-10-31 2018-10-31 Mining fast quick access top forestope Withdrawn CN109281693A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811286038.4A CN109281693A (en) 2018-10-31 2018-10-31 Mining fast quick access top forestope

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811286038.4A CN109281693A (en) 2018-10-31 2018-10-31 Mining fast quick access top forestope

Publications (1)

Publication Number Publication Date
CN109281693A true CN109281693A (en) 2019-01-29

Family

ID=65174723

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811286038.4A Withdrawn CN109281693A (en) 2018-10-31 2018-10-31 Mining fast quick access top forestope

Country Status (1)

Country Link
CN (1) CN109281693A (en)

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Application publication date: 20190129

WW01 Invention patent application withdrawn after publication