CN213298004U

CN213298004U - Tunnel bearing structure for coal excavation

Info

Publication number: CN213298004U
Application number: CN202021657034.5U
Authority: CN
Inventors: 王新义; 田建凤; 韩泰然; 席亚星
Original assignee: Pingdingshan Tianan Coal Mining Co Ltd; China Pingmei Shenma Energy and Chemical Group Co Ltd
Current assignee: Pingdingshan Tianan Coal Mining Co Ltd; China Pingmei Shenma Energy and Chemical Group Co Ltd
Priority date: 2020-08-11
Filing date: 2020-08-11
Publication date: 2021-05-28
Anticipated expiration: 2030-08-11

Abstract

The utility model discloses a coal is excavated and is used tunnel bearing structure, the on-line screen storage device comprises a base, the four corners at base top all runs through and is provided with set screw, the center fixedly connected with support column of department at base top, there is first threaded rod at the top of support column through bearing swing joint, the top of first threaded rod extends to the top of support column and threaded connection has the thread bush. The utility model discloses a set up base, set screw, support column, thread bush, pyramid, connecting rod, second annular plate, second threaded rod, the thread piece, bracing piece, first annular plate, thread groove, slide, connecting block, first threaded rod, connecting plate, spout, bolt, through-hole and connection bearing cooperation and use, solved current bearing structure and did not have the function of adjusting width and height, can't adapt to the tunnel of different specifications to can't satisfy user's demand, reduced bearing structure application range's problem.

Description

Tunnel bearing structure for coal excavation

Technical Field

The utility model relates to a coal technical field specifically is a tunnel bearing structure is used in coal excavation.

Background

Coal is fossil fuel which is most abundant in the earth and has the widest distribution region, and the elements forming the organic matter of coal mainly comprise carbon, hydrogen, oxygen, nitrogen, sulfur and the like, and in addition, the elements comprise extremely small amounts of phosphorus, fluorine, chlorine, arsenic and the like.

The tunnel is the arch tunnel mostly, for supporting the arch tunnel often can use bearing structure, and current bearing structure does not have the function of adjusting width and height, can't adapt to the tunnel of different specifications to can't satisfy user's demand, reduced bearing structure's application range.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a coal is excavated and is used tunnel bearing structure possesses the advantage of adjusting width and height, has solved current bearing structure and has not had the function of adjusting width and height, can't adapt to the tunnel of different specifications to can't satisfy user's demand, reduced bearing structure application range's problem.

In order to achieve the above object, the utility model provides a following technical scheme: a roadway support structure for coal mining comprises a base, wherein fixing screws are arranged in four corners of the top of the base in a penetrating mode, a support column is fixedly connected to the center of the top of the base, a first threaded rod is movably connected to the top of the support column through a bearing, the top of the first threaded rod extends to the top of the support column and is in threaded connection with a threaded sleeve, a connecting block is fixedly connected to the top of the threaded sleeve, a sliding plate is fixedly connected to the top of the connecting block, a threaded groove is formed in the top of the sliding plate, a connecting plate is sleeved on the surface of one side, opposite to the two sliding plates, of the sliding plate in a sliding mode, a sliding groove matched with the sliding plate is formed in the surface of the connecting plate, through holes are formed in two sides of the top of the connecting plate, bolts are, the center department at connecting plate top runs through to inlay and has connect the bearing, the inner circle swing joint of connect the bearing has the second threaded rod, the top of second threaded rod extends to the top of connect the bearing, there is the second annular plate at the top on second threaded rod surface through bearing swing joint, the top threaded connection on second threaded rod surface has the thread block, the both sides of thread block all have the connecting rod through pivot swing joint, the both sides at connecting plate top all have the bracing piece through pivot swing joint, the surface swing joint of pivot and bracing piece is passed through to one side that the bracing piece was kept away from to the connecting rod, the first annular plate of top fixedly connected with of bracing piece.

Preferably, the surfaces of the second annular plate and the first annular plate are fixedly connected with pyramids, one sides of the two sliding plates opposite to each other are fixedly connected with limiting plates located in the inner cavities of the sliding grooves, and the surfaces of the limiting plates are slidably connected with the inner walls of the sliding grooves.

Preferably, the bottom of the surface of the first threaded rod is fixedly connected with a first rotating rod, and the bottoms of two sides of the second threaded rod are fixedly connected with second rotating rods.

Preferably, the number of the thread grooves is several, and the inner ring of the connecting bearing is in interference fit with the surface of the second threaded rod.

Preferably, the surface of the through hole is in threaded connection with the inner cavity of the threaded groove, and the connecting part of the sliding plate and the connecting plate is in sliding connection.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a set up base, set screw, support column, thread bush, pyramid, connecting rod, second annular plate, second threaded rod, the thread piece, bracing piece, first annular plate, thread groove, slide, connecting block, first threaded rod, connecting plate, spout, bolt, through-hole and connection bearing cooperation and use, solved current bearing structure and did not have the function of adjusting width and height, can't adapt to the tunnel of different specifications to can't satisfy user's demand, reduced bearing structure application range's problem.

2. The utility model discloses a set up set screw, can fix base and ground, through setting up first bull stick and second bull stick, can the person of facilitating the use rotate first threaded rod and second threaded rod respectively, through setting up the connecting rod, can play the effect of connecting thread piece and bracing piece, through setting up the pyramid, can strengthen the top in first annular slab and second annular slab and the top in pitch arc tunnel respectively, through setting up the limiting plate, can play spacing effect to the slide, prevent that the slide from breaking away from the connecting plate.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of the structure A of FIG. 1 according to the present invention;

fig. 3 is a schematic top view of the first annular plate structure of the present invention.

In the figure: the device comprises a base 1, a fixing screw 2, a supporting column 3, a threaded sleeve 4, a pyramid 5, a connecting rod 6, a second annular plate 7, a second threaded rod 8, a threaded block 9, a supporting rod 10, a first annular plate 11, a threaded groove 12, a sliding plate 13, a connecting block 14, a first threaded rod 15, a connecting plate 16, a sliding groove 17, a bolt 18, a through hole 19 and a connecting bearing 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model provides a base 1, set screw 2, support column 3, thread bush 4, pyramid 5, connecting rod 6, second annular plate 7, second threaded rod 8, screw block 9, bracing piece 10, first annular plate 11, thread groove 12, slide 13, connecting block 14, first threaded rod 15, connecting plate 16, spout 17, bolt 18, through-hole 19 and parts such as connecting bearing 20 are general standard or the parts that technical staff in the field know, its structure and principle all can be known through the technical manual or learn through conventional experimental method for technical staff in the field.

Referring to fig. 1-3, a roadway support structure for coal mining comprises a base 1, fixing screws 2 are arranged at four corners of the top of the base 1 in a penetrating manner, the base 1 can be fixed with the ground by arranging the fixing screws 2, a support column 3 is fixedly connected at the center of the top of the base 1, a first threaded rod 15 is movably connected at the top of the support column 3 through a bearing, a first rotating rod is fixedly connected at the bottom of the surface of the first threaded rod 15, the top of the first threaded rod 15 extends to the top of the support column 3 and is in threaded connection with a threaded sleeve 4, a connecting block 14 is fixedly connected at the top of the threaded sleeve 4, a sliding plate 13 is fixedly connected at the top of the connecting block 14, a threaded groove 12 is formed at the top of the sliding plate 13, the number of the threaded grooves 12 is several, a connecting plate 16 is slidably sleeved on the surface of the opposite side of the two, the surface of the connecting plate 16 is provided with a sliding chute 17 matched with the sliding plate 13 for use, the inner cavities of the two sliding plates 13 on the opposite sides are fixedly connected with a limiting plate, the surface of the limiting plate is in sliding connection with the inner wall of the sliding chute 17, the limiting plate can limit the sliding plate 13 to prevent the sliding plate 13 from separating from the connecting plate 16, through holes 19 are formed in the two sides of the top of the connecting plate 16, bolts 18 are arranged on the two sides of the top of the connecting plate 16 in a penetrating manner, the bottoms of the bolts 18 penetrate through the through holes 19 and extend to the inner cavity of the thread groove 12, a connecting bearing 20 is embedded in the center of the top of the connecting plate 16 in a penetrating manner, the surface of each through hole 19 is in threaded connection with the inner cavity of the thread groove 12, the inner ring of the connecting bearing 20 is movably connected with a second threaded rod 8, the bottoms of the, the first threaded rod 15 and the second threaded rod 8 can be conveniently rotated by a user respectively, the inner ring of the connecting bearing 20 is in interference fit with the surface of the second threaded rod 8, the top of the second threaded rod 8 extends to the top of the connecting bearing 20, the top of the surface of the second threaded rod 8 is movably connected with the second annular plate 7 through a bearing, the top of the surface of the second threaded rod 8 is in threaded connection with the threaded block 9, two sides of the threaded block 9 are both movably connected with the connecting rod 6 through a rotating shaft, the connecting rod 6 is arranged to play a role in connecting the threaded block 9 and the supporting rod 10, two sides of the top of the connecting plate 16 are both movably connected with the supporting rod 10 through a rotating shaft, one side of the connecting rod 6, far away from the supporting rod 10, is movably connected with the surface of the supporting rod 10 through a rotating shaft, the top of the supporting rod 10 is fixedly connected, through setting up pyramid 5, can strengthen the top in first annular plate 11 and second annular plate 7 and the top in pitch arc tunnel respectively, through setting up base 1, set screw 2, support column 3, thread bush 4, pyramid 5, connecting rod 6, second annular plate 7, second threaded rod 8, thread block 9, bracing piece 10, first annular plate 11, thread groove 12, slide 13, connecting block 14, first threaded rod 15, connecting plate 16, spout 17, bolt 18, through-hole 19 and connection bearing 20 cooperation are used, it does not have the function of adjusting width and height to have solved current bearing structure, can't adapt to the tunnel of different specifications, thereby can't satisfy user's demand, the problem of bearing structure application range has been reduced.

When the supporting structure is used, the supporting structure is moved into a roadway, the distance between the two bases 1 is adjusted according to the width of the roadway, a user screws out through the forward rotation bolt 18 until the bolt 18 is separated from the threaded groove 12, the two sliding plates 13 slide out from the sliding groove 17 in a reverse manner, the bases 1 are moved out in a reverse manner and moved to a proper position, then the reverse rotation bolt 18 is screwed in until the bottom of the bolt 18 is contacted with the bottom of the inner cavity of the threaded groove 12, then the bases 1 and the ground are installed and fixed through the fixing screws 2, then the user adjusts the supporting angle of the two first annular plates 11 according to the width of the top of the roadway, the user rotates the second rotating rod in a forward manner to drive the second threaded rod 8 to rotate, the second threaded rod 8 rotates to drive the threaded block 9 to move upwards, the threaded block 9 drives the two connecting rods 6 to move upwards, the connecting rods 6 move upwards to drive the supporting rods 10, until the angle is adjusted to a proper angle, then the user rotates the first rotating rod in a positive direction to drive the first threaded rod 15 to rotate, the first threaded rod 15 drives the threaded sleeve 4 to move upwards, so that the second annular plate 7 and the pyramid 5 on the first annular plate 11 are driven to move upwards, until the second annular plate 7 and the first annular plate 11 move upwards to be in contact with the top of the roadway, and the second annular plate 7 and the pyramid 5 at the top of the first annular plate 11 are inserted into the top of the roadway.

In summary, the following steps: this coal is excavated and is used tunnel bearing structure, through setting up base 1, set screw 2, support column 3, thread bush 4, pyramid 5, connecting rod 6, second annular plate 7, second threaded rod 8, thread block 9, bracing piece 10, first annular plate 11, thread groove 12, slide 13, connecting block 14, first threaded rod 15, connecting plate 16, spout 17, bolt 18, through-hole 19 and connection bearing 20 cooperation are used, it does not have the function of adjusting width and height to have solved current bearing structure, can't adapt to the tunnel of different specifications, thereby can't satisfy user's demand, the problem of bearing structure application range has been reduced.

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

1. The utility model provides a coal is excavated and is used tunnel bearing structure, includes base (1), its characterized in that: the four corners at the top of the base (1) are provided with fixing screws (2) in a penetrating manner, the center at the top of the base (1) is fixedly connected with a supporting column (3), the top of the supporting column (3) is movably connected with a first threaded rod (15) through a bearing, the top of the first threaded rod (15) extends to the top of the supporting column (3) and is in threaded connection with a threaded sleeve (4), the top of the threaded sleeve (4) is fixedly connected with a connecting block (14), the top of the connecting block (14) is fixedly connected with a sliding plate (13), the top of the sliding plate (13) is provided with a threaded groove (12), a connecting plate (16) is sleeved on the surface of one side, opposite to the two sliding plates (13), of the connecting plate (16) is provided with a sliding groove (17) matched with the sliding plate (13), and through holes (19, the both sides at connecting plate (16) top all run through and are provided with bolt (18), the bottom of bolt (18) runs through-hole (19) and extends to the inner chamber of thread groove (12), the center department at connecting plate (16) top runs through to inlay and has connect bearing (20), the inner circle swing joint of connecting bearing (20) has second threaded rod (8), the top of second threaded rod (8) extends to the top of connecting bearing (20), the top on second threaded rod (8) surface has second annular plate (7) through bearing swing joint, the top threaded connection on second threaded rod (8) surface has thread block (9), the both sides of thread block (9) all have connecting rod (6) through pivot swing joint, the both sides at connecting plate (16) top all have bracing piece (10) through pivot swing joint, one side that bracing piece (10) were kept away from in connecting rod (6) is through the surface activity of pivot and bracing piece (10) And the top of the supporting rod (10) is fixedly connected with a first annular plate (11).

2. The coal mining roadway support structure of claim 1, wherein: the equal fixedly connected with pyramid (5) in surface of second annular plate (7) and first annular plate (11), the inner chamber fixedly connected with limiting plate that two slide (13) opposite one side just are located spout (17), the surface of limiting plate and the inner wall sliding connection of spout (17).

3. The coal mining roadway support structure of claim 1, wherein: the bottom fixedly connected with first bull stick on first threaded rod (15) surface, the equal fixedly connected with second bull stick in bottom of second threaded rod (8) both sides.

4. The coal mining roadway support structure of claim 1, wherein: the number of the thread grooves (12) is a plurality, and the inner ring of the connecting bearing (20) is in interference fit with the surface of the second threaded rod (8).

5. The coal mining roadway support structure of claim 1, wherein: the surface of the through hole (19) is in threaded connection with the inner cavity of the threaded groove (12), and the joint of the sliding plate (13) and the connecting plate (16) is in sliding connection.