CN112983516A - Combined supporting device of pneumatic jumbolter for mine - Google Patents

Combined supporting device of pneumatic jumbolter for mine Download PDF

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Publication number
CN112983516A
CN112983516A CN202110226925.8A CN202110226925A CN112983516A CN 112983516 A CN112983516 A CN 112983516A CN 202110226925 A CN202110226925 A CN 202110226925A CN 112983516 A CN112983516 A CN 112983516A
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Prior art keywords
fixed
rod
pneumatic
supporting device
shaped
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CN202110226925.8A
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CN112983516B (en
Inventor
衣福强
胡世利
李东闯
王健
赵占成
魏强
朱小林
牛倩
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Fushun Hanking Aoniu Mining Industry Co ltd
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Fushun Hanking Aoniu Mining Industry Co ltd
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Publication of CN112983516A publication Critical patent/CN112983516A/en
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    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D20/00Setting anchoring-bolts
    • E21D20/003Machines for drilling anchor holes and setting anchor bolts
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B12/00Accessories for drilling tools
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B15/00Supports for the drilling machine, e.g. derricks or masts
    • E21B15/04Supports for the drilling machine, e.g. derricks or masts specially adapted for directional drilling, e.g. slant hole rigs
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B3/00Rotary drilling
    • E21B3/02Surface drives for rotary drilling
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00Special methods or apparatus for drilling
    • E21B7/04Directional drilling

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Earth Drilling (AREA)

Abstract

The invention belongs to the technical field of pneumatic ejector rods, in particular to a combined supporting device of a pneumatic roofbolter for mines, which aims at solving the problem that the direction of a drill rod needs to be adjusted for many times due to high-frequency vibration when the supporting device in the prior art performs inclined hole drilling. When the drill bit is used, the pneumatic ejector rod is started to drive the fixed platform to start to ascend and start the first drill, the drill bit can be stabilized, the drill bit is prevented from swinging, and then the bottom of the drill can ascend along the track of the C-shaped steel guide rail along with the propulsion of the drill bit, so that the drill bit is prevented from deviating.

Description

Combined supporting device of pneumatic jumbolter for mine
Technical Field
The invention relates to the technical field of starting anchor rods, in particular to a combined supporting device of a pneumatic anchor rod drilling machine for mines.
Background
The pneumatic jumbolter is roadway bolting equipment for coal mines, has outstanding advantages in the aspects of improving the bolting effect, reducing the cost, accelerating the roadway forming speed, reducing the auxiliary transportation amount, lightening the labor intensity, improving the utilization rate of roadway sections and the like, the conventional pneumatic jumbolter only depends on a pillar for supporting when in use for drilling, people need to support the pneumatic jumbolter for positioning and drilling during drilling, the pneumatic jumbolter is easy to cause the deviation or the slippage of a drill rod and cannot perform positioning and drilling due to large jitter during drilling, accidents are easy to occur after the drill rod slips, and the construction safety of people is difficult to ensure, so that the research of a combined bolting device of the pneumatic jumbolter is necessary.
The combined supporting device of the pneumatic jumbolter disclosed by the searched Chinese patent No. CN201721127910.1 aims to be convenient for supporting and fixing a steel belt or a metal net on the top of a driving face; the utility model comprises a pneumatic anchor rod drilling machine, a supporting plate, a movable plate, a hinge, a connecting rotating shaft, a telescopic cylinder, a base, a sleeve, a handle, an operating arm, a tee joint, a rubber tube and a control valve; pneumatic roofbolter pedestal mounting is on the portable base of pneumatic roofbolter, but the device is great to the reaction force that supporting device produced when driling the tunnel inner wall of slope, if support then cause the drilling incline easily not strong enough, then heavily lead to bending the stock card in drilling.
Disclosure of Invention
The invention provides a combined supporting device of a pneumatic jumbolter for mines, which aims to solve the problem that the direction of a drill rod needs to be adjusted for many times due to high-frequency vibration when the supporting device in the prior art is used for drilling inclined holes.
In order to achieve the purpose, the invention adopts the following technical scheme: a combined supporting device of a pneumatic roofbolter for mines comprises a base which is of a cuboid plate-shaped structure, wherein a supporting table is fixed on the upper surface of the base, close to the center line of the right side, the top end of the supporting table is provided with an arc-shaped groove, a hinged plate is rotatably connected in the arc-shaped groove, a pneumatic ejector rod is fixed at the top end of the hinged plate, a fixed table is fixed at the top end of the pneumatic ejector rod, a drilling machine is fixed at the top end of the fixed table, the right side of the fixed table is rotatably connected with a handrail, a tower-shaped fixed block is fixed on one side, far away from the handrail, of the fixed table, a tower-shaped sliding block is fixed on one side, far away from the fixed table, of the tower-shaped fixed block through bolts, a fixed column is fixed on one end of the upper surface of the base, far away from the supporting table, a third telescopic rod is fixed at the top end of the third telescopic rod, a C, and the outer wall of activity hinge has cup jointed two interior slide bars, and the outer wall of two interior slide bars is close to the bottom and has all cup jointed telescopic link one and telescopic link two, the bottom of telescopic link one and telescopic link two all is provided with two ball bearing seat platforms, the female outer wall of telescopic link one and telescopic link two is close to the top and all inlays and is equipped with the internal thread pipe, and the equal spiro union has positioning bolt in the internal thread pipe to can be when starting pneumatic ejector pin and driving the fixed station and begin to rise when opening first brill when using, avoid the drill bit swing, along with the propulsion of drill bit immediately, the bottom of rig can rise along the orbit of C shaped steel guide rail, thereby avoids the drill bit off tracking.
As a preferable scheme in the invention, the side surface of the supporting table is provided with a shaft hole penetrating through the front and the rear, the shaft hole is rotatably connected with a transmission rod, the two ends of the upper surface of the base, which are close to the transmission rod, are both fixed with hinge grooves, the hinge grooves are both rotatably connected with extension guide rods, the outer walls of the extension guide rods, which are close to the top ends, are sleeved with guide rods, and the top ends of the guide rods are fixed on the outer walls of the fixed table, so that when the main pipe of the pneumatic ejector rod is stretched and retracted in use, the guide rods on the two sides can drive the fixed table to ascend along the extension direction of the ejector rod, and.
According to the preferable scheme, the front side guard plate and the rear side guard plate are connected to the front side and the rear side of the C-shaped steel guide rail in a sliding mode, one side, close to the guide rod, of each side guard plate is fixed to the outer wall of the guide rod through the bolts, so that a drilling machine at the bottom end of the drill rod can be prevented from shaking forwards and backwards at the beginning, and the stability of the drilling machine is improved.
Two one end that side guard plate relative one side is close to C shaped steel guide rail all is fixed with the direction lug, and the both sides that C shaped steel guide rail carried on the back mutually open respectively have parallel and with the spacing groove of direction lug external diameter looks adaptation to can drive long drilling rod when boring when the fixed station when using, can improve its stability, make the fixed station can stably rise along former definite orbit, avoid the drilling rod to produce and rock
As the preferable scheme of the invention, a fork opening with an upward opening is formed at the top end of one of the inner sliding rods, the inner wall of the fork opening is in sliding connection with the outer wall of the other inner sliding rod, and a notch with the width matched with that of the inner sliding rod is formed at the bottom end of the C-shaped steel guide rail.
According to the preferable scheme of the invention, the left end and the right end of the base are respectively provided with the T-shaped guide grooves with downward openings, the sliding grooves of the T-shaped guide grooves are internally and slidably connected with the convex inserted bars, the lower surfaces of the convex inserted bars are respectively provided with the triangular teeth, and the anti-skidding directions of the triangular teeth face to the rear side, so that when the device needs to push a drill hole to the inclined upper side in use, an inclined backward thrust can be generated for the base, and at the moment, the convex inserted bars can convert and offset the thrust, so that the base is prevented from skidding.
As a preferable scheme in the invention, the upper surface of the base and the upper surface of the convex insertion rod are respectively provided with a first square hole and a second square hole, the second square hole and the first square hole of the two convex insertion rods are respectively inserted with two integrally parallel arc-shaped insertion rods, and the upper surfaces of the two arc-shaped insertion rods are fixedly provided with a same pedal through bolts, so that when the pedal is used, a user can not only draw out the two convex insertion rods to increase the supporting area when drilling, but also can get on the pedal to increase the weight, and the pedal can improve the operation comfort level.
As a preferable scheme in the invention, the bottom ends of the two supporting legs of the arched inserting rod are both provided with a pointed structure, and the bottom ends of the pointed ends are provided with inclined surfaces facing the supporting platform, so that a backward component force can be generated in the process of inserting downwards in use, and the reverse thrust from the top-end drilling machine can be counteracted as much as possible.
To sum up, the beneficial effect in this scheme is:
1. according to the combined supporting device of the pneumatic jumbolter for the mine, the C-shaped steel guide rail and the tower-shaped sliding block fixed on the side face of the fixed platform are arranged, so that a drill bit can be stabilized when the pneumatic ejector rod is started to drive the fixed platform to start to ascend and start a first drill in use, the drill bit is prevented from swinging, and then along with the propulsion of the drill bit, the bottom of the drill can ascend along the track of the C-shaped steel guide rail, so that the drill bit is prevented from deviating;
2. according to the combined supporting device of the pneumatic jumbolter for the mine, the guide rods arranged on the front side and the rear side of the pneumatic ejector rod are used, so that when a main pipe of the pneumatic ejector rod is stretched and contracted in use, the guide rods on the two sides can drive the fixed table to ascend along the extending direction of the ejector rod, and the fixed table is prevented from inclining to the front side and the rear side;
3. this kind of pneumatic roofbolter's combination supporting device is used in mine through setting up two convex inserted bars of sliding connection at base tip, can be when using, not only can take out two convex inserted bars in order to increase the support area when the user is in drilling, and the user can step on the footboard increase weight moreover, and its self also can improve the comfort level that improves the operation.
Drawings
Fig. 1 is a schematic side view of a combined supporting device of a pneumatic jumbolter for mines according to the present invention;
FIG. 2 is a schematic sectional structural view of a C-shaped steel guide rail of a combined supporting device of a pneumatic jumbolter for mines, which is provided by the invention;
fig. 3 is a schematic top-view structural diagram of a base of a combined supporting device of a pneumatic jumbolter for mines, which is provided by the invention;
fig. 4 is a schematic structural diagram of a combined supporting device base of a pneumatic jumbolter for mines, which is provided by the invention, as seen from the lower side;
fig. 5 is a schematic structural diagram of a C-shaped steel guide rail of a combined supporting device of a pneumatic jumbolter for mines, which is provided by the invention.
In the figure: the device comprises a base 1, a 101T-shaped guide groove, a first square hole 102, a 2 support table, a 201 shaft hole, a 202 arc-shaped groove, a 3 hinge groove, a 4 shaft rod, a 5 pneumatic ejector rod inner rod, a 6 telescopic rod first, a 7 telescopic rod second, an 8 ball bearing seat table, a 9 positioning bolt, a 10 inner slide rod, a 11 movable hinge shaft, a 12C-shaped steel guide rail, a 1201 notch, a 1202 limit groove, a 13 fixed column, a 14 side guard plate, a 1401 guide lug, a 15 telescopic rod third, a 16 hexagonal nut, a 17 tower-shaped fixed block, an 18 drilling machine, a 19 fixed table, a 20 pneumatic ejector rod, a 21 handrail, a 22 guide rod, a 23 extension guide rod, a 24 pedal, a 25 arched inserted rod, a 26 triangular tooth, a 27 convex inserted rod, a 2701 square hole second and.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1
Referring to fig. 1-5, a combined supporting device of a pneumatic roofbolter for mines comprises a base 1 in a rectangular plate-shaped structure, a supporting table 2 is fixed on the upper surface of the base 1 near the center line of the right side, an arc-shaped groove 202 is formed in the top end of the supporting table 2, a hinged plate is rotatably connected in the arc-shaped groove 202, a pneumatic ejector rod 20 is fixed at the top end of the hinged plate, a fixed table 19 is fixed at the top end of the pneumatic ejector rod 20, a drilling machine 18 is fixed at the top end of the fixed table 19, a handrail 21 is rotatably connected to the right side of the fixed table 19, a tower-shaped fixed block 17 is fixed on one side of the fixed table 19 away from the handrail 21, a tower-shaped sliding block 28 is fixed on one side of the tower-shaped fixed block 17 away from the fixed table 19 through a bolt, a fixed column 13 is fixed on one end of the upper surface of the base 1, and the end of the telescopic rod three 15 is rotatably connected with a C-shaped steel guide rail 12 with an opening facing the fixed station 19, the same movable hinge shaft 11 is rotatably connected between the two opposite side inner walls at the bottom end of the C-shaped steel guide rail 12, the outer wall of the movable hinge shaft 11 is sleeved with two inner slide rods 10, the outer walls of the two inner slide rods 10, close to the bottom end, are sleeved with a first telescopic rod 6 and a second telescopic rod 7, the bottom ends of the first telescopic rod 6 and the second telescopic rod 7 are respectively provided with two ball bearing seat platforms 8, the outer walls of the main pipes of the first telescopic rod 6 and the second telescopic rod 7, close to the top end, are respectively embedded with an inner threaded pipe, and are respectively screwed with a positioning bolt 9, so that when the pneumatic ejector rod 20 is started to drive the fixed station 19 to start to lift up and open the first drill, the drill bit can be stabilized, the drill bit is prevented from swinging, and then along, thereby avoiding the deviation of the drill bit.
In the invention, the side surface of the supporting platform 2 is provided with a front and a rear shaft holes 201, the shaft holes are rotatably connected with a transmission rod, the two ends of the upper surface of the base 1, which are close to the transmission rod, are respectively fixed with a hinge groove 3, an extension guide rod 23 is rotatably connected in the hinge grooves, the outer wall of the extension guide rod 23, which is close to the top end, is sleeved with a guide rod 22, and the top end of the guide rod 22 is fixed on the outer wall of the fixed platform 19, so that when the main pipe of the pneumatic ejector rod 20 is stretched and contracted in use, the guide rods 22 on the two sides can drive the fixed platform 19 to ascend along the extension direction of the ejector rod, and the inclination towards.
In the invention, the front side and the rear side of the C-shaped steel guide rail 12 are both connected with the side guard plates 14 in a sliding manner, and one side of each side guard plate 14 close to the guide rod 22 is fixed on the outer wall of the guide rod 22 through a bolt, so that the drilling machine 18 at the bottom end of the drill rod can be prevented from shaking forwards and backwards at the beginning, and the stability of the drilling machine 18 is improved.
Two one end that the relative one side of side guard plate 14 is close to C shaped steel guide rail 12 all is fixed with direction lug 1401, and the both sides that C shaped steel guide rail 12 is carried on the back mutually open respectively have parallel and with the spacing groove 1202 of direction lug 1401 external diameter looks adaptation to can improve its stability when the fixed station 19 drives long drilling rod and bores the hole when using, make fixed station 19 can rise along the stable rising of original orbit, avoid the drilling rod to produce and rock and shake
The inner wall of the bottom end of the pneumatic ejector rod 20 is connected with a pneumatic ejector rod inner rod 5 in a sliding mode, and the top end of the hinged plate is welded to the bottom end of the pneumatic ejector rod inner rod 5.
In the invention, a fork opening with an upward opening is formed at the top end of one of the inner slide bars 10, the inner wall of the fork opening is in sliding connection with the outer wall of the other inner slide bar 10, and a notch 1201 with a width matched with that of the inner slide bar 10 is formed at the bottom end of the C-shaped steel guide rail 12.
In the invention, the left end and the right end of the base 1 are respectively provided with a T-shaped guide groove 101 with a downward opening, the sliding grooves of the T-shaped guide grooves 101 are connected with convex inserted rods 27 in a sliding manner, the lower surfaces of the convex inserted rods 27 are provided with triangular teeth 26, and the anti-skid direction of the triangular teeth 26 faces to the rear side, so that when the device needs to push a drill hole obliquely upwards in use, an oblique backward thrust can be generated for the base 1, and the convex inserted rods 27 can convert and offset the thrust, thereby avoiding the base 1 from skidding.
In the invention, the upper surface of the base 1 and the upper surface of the convex insertion rod 27 are respectively provided with the first square hole 102 and the second square hole 2701, the second square hole 2701 and the first square hole 102 of the two convex insertion rods 27 are respectively inserted with the two arched insertion rods 25 which are integrally parallel to each other, and the same pedal 24 is fixed between the upper surfaces of the two arched insertion rods 25 through bolts, so that when in use, a user can not only draw out the two convex insertion rods 27 to increase the supporting area when drilling, but also can climb up the pedal 24 to increase the weight, and the comfort level of operation can be improved.
In the invention, the bottom ends of the two supporting legs of the arched insertion rod 25 are both arranged in a pointed structure, and the bottom ends of the pointed ends are provided with inclined surfaces facing the supporting platform 2, so that a backward component force can be generated in the process of downward insertion in use, and the reverse thrust from the top drilling machine can be counteracted as much as possible.
The working principle is as follows: before the drilling machine 18 is used, the advancing direction of the drilling machine 18 is adjusted, the lengthened drill bit is fixed to the top end of the spindle of the drilling machine 18, then the first telescopic rod 6, the second telescopic rod 7 and the third telescopic rod 15 are adjusted, the extending direction of the guide rail of the C-shaped steel guide rail 12 is consistent with the extending direction of the pneumatic ejector rod 20, and finally the telescopic positions of all the telescopic rods are fixed; when the drill bit is used, the drill bit can be stabilized when the pneumatic ejector rod 20 is started to drive the fixed platform 19 to start to ascend and start the first drill, the drill bit is prevented from swinging, and then along with the propulsion of the drill bit, the bottom of the drill 18 can ascend along the track of the C-shaped steel guide rail 12, so that the deviation of the drill bit is avoided; at the same time, the guide rods 22 on both sides keep the pneumatic ram 20 elongated along a predetermined trajectory.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (8)

1. A combined supporting device of a pneumatic roofbolter for mines comprises a base (1) in a cuboid plate-shaped structure, wherein a supporting table (2) is fixed on the upper surface of the base (1) close to the center line of the right side, an arc-shaped groove (202) is formed in the top end of the supporting table (2), a hinged plate is rotatably connected to the arc-shaped groove (202), a pneumatic ejector rod (20) is fixed to the top end of the hinged plate, a fixing table (19) is fixed to the top end of the pneumatic ejector rod (20), a drilling machine (18) is fixed to the top end of the fixing table (19), a handrail rod (21) is rotatably connected to the right side of the fixing table (19), a tower-shaped fixing block (17) is fixed to one side, away from the fixing table (19), of the tower-shaped fixing block (17) is fixed with a tower-shaped sliding block (28) through a bolt, and a fixing column (13) is fixed to one end, away from the supporting table (2), of the upper surface, and the top of fixed column (13) is fixed with three (15) of telescopic link, and the telescopic link tip of three (15) of telescopic link rotates and is connected with C shaped steel guide rail (12) of opening towards fixed station (19), rotate between the relative both sides inner wall in bottom of C shaped steel guide rail (12) and be connected with same root activity hinge (11), and the outer wall of activity hinge (11) has cup jointed two interior slide bars (10), and the outer wall of two interior slide bars (10) is close to the bottom and has all cup jointed telescopic link one (6) and telescopic link two (7), the bottom of telescopic link one (6) and telescopic link two (7) all is provided with two ball bearing seatings (8), the female pipe outer wall of telescopic link one (6) and telescopic link two (7) is close to the top and all inlays and is equipped with the internal thread pipe, and equal spiro union has positioning bolt (9) in the.
2. The combined supporting device of the pneumatic roofbolter for the mine according to claim 1, wherein the side surface of the supporting platform (2) is provided with a shaft hole (201) which penetrates through the front and the rear of the supporting platform, a transmission rod is rotatably connected in the shaft hole, the two ends, close to the transmission rod, of the upper surface of the base (1) are respectively fixed with a hinge groove (3), an extension guide rod (23) is rotatably connected in the hinge groove, a guide rod (22) is sleeved on the outer wall, close to the top end, of the extension guide rod (23), and the top end of the guide rod (22) is fixed on the outer wall of the fixed platform (19).
3. The combined supporting device of the pneumatic roofbolter for the mine is characterized in that side guard plates (14) are slidably connected to the front side and the rear side of the C-shaped steel guide rail (12), one side of each side guard plate (14) close to the guide rod (22) is fixed on the outer wall of the guide rod (22) through bolts, so that the driller (18) at the bottom end of the drill rod can be prevented from shaking back and forth at the beginning, and the stability of the driller (18) is improved.
4. The combined supporting device of the pneumatic roofbolter for the mine is characterized in that one end, close to the C-shaped steel guide rail (12), of one opposite side of each of the two side guard plates (14) is fixedly provided with a guide lug (1401), two opposite sides of the C-shaped steel guide rail (12) are respectively provided with limiting grooves (1202) which are parallel to each other and matched with the outer diameter of the guide lug (1401), and when the fixing platform (19) drives a long drill rod to drill a hole in use, the stability of the fixing platform can be improved, so that the fixing platform (19) can stably ascend along an original fixed track, and the drill rod is prevented from shaking.
5. The combined supporting device of the pneumatic jumbolter for the mine according to claim 1, wherein the top end of one of the inner slide bars (10) is provided with a fork opening with an upward opening, the inner wall of the fork opening is in sliding connection with the outer wall of the other inner slide bar (10), and the bottom end of the C-shaped steel guide rail (12) is provided with a notch (1201) with a width matched with the width of the inner slide bar (10).
6. The combined supporting device of the pneumatic roofbolter for the mine according to claim 1, characterized in that the left end and the right end of the base (1) are respectively provided with a T-shaped guide groove (101) with a downward opening, the sliding grooves of the T-shaped guide grooves (101) are respectively connected with a convex inserted bar (27) in a sliding manner, the lower surface of the convex inserted bar (27) is respectively provided with triangular teeth (26), and the anti-skid direction of the triangular teeth (26) faces to the rear side.
7. The combined supporting device of the pneumatic roofbolter for the mine is characterized in that the upper surface of the base (1) and the upper surface of the convex inserting rod (27) are respectively provided with a first square hole (102) and a second square hole (2701), the second square hole (2701) and the first square hole (102) of the two convex inserting rods (27) are respectively inserted with two arched inserting rods (25) which are integrally parallel to each other, and the same pedal (24) is fixed between the upper surfaces of the two arched inserting rods (25) through bolts.
8. A combined supporting device of a pneumatic roofbolter for mines according to claim 7, characterized in that the bottom ends of both legs of the arcuate insertion rod (25) are provided in a pointed structure, and the bottom end of the pointed structure is provided with a slope toward the supporting bench (2).
CN202110226925.8A 2021-03-01 2021-03-01 Combined supporting device of pneumatic jumbolter for mine Active CN112983516B (en)

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CN112983516B CN112983516B (en) 2023-02-28

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Publication number Priority date Publication date Assignee Title
CN202913964U (en) * 2012-11-19 2013-05-01 安徽理工大学 Fast underground supporting and protecting device
CN209654063U (en) * 2019-03-25 2019-11-19 泰州市沿江电子机械制造有限公司 A kind of pneumatic roof bolter
CN210264503U (en) * 2019-07-08 2020-04-07 江阴龙凯机械有限公司 Pneumatic jumbolter for coal mine
CN111852346A (en) * 2020-07-17 2020-10-30 珠海市三湘建筑基础工程有限公司 Novel pneumatic jumbolter combination is strutted device
CN212075097U (en) * 2020-03-10 2020-12-04 江阴金牛科技有限公司 Pneumatic supporting leg type support device for anchor rod drilling machine
CN212079347U (en) * 2020-02-28 2020-12-04 江阴金牛科技有限公司 Novel pneumatic jumbolter

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202913964U (en) * 2012-11-19 2013-05-01 安徽理工大学 Fast underground supporting and protecting device
CN209654063U (en) * 2019-03-25 2019-11-19 泰州市沿江电子机械制造有限公司 A kind of pneumatic roof bolter
CN210264503U (en) * 2019-07-08 2020-04-07 江阴龙凯机械有限公司 Pneumatic jumbolter for coal mine
CN212079347U (en) * 2020-02-28 2020-12-04 江阴金牛科技有限公司 Novel pneumatic jumbolter
CN212075097U (en) * 2020-03-10 2020-12-04 江阴金牛科技有限公司 Pneumatic supporting leg type support device for anchor rod drilling machine
CN111852346A (en) * 2020-07-17 2020-10-30 珠海市三湘建筑基础工程有限公司 Novel pneumatic jumbolter combination is strutted device

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