CN217270259U

CN217270259U - Roadway side protecting plate for coal mining

Info

Publication number: CN217270259U
Application number: CN202221214549.7U
Authority: CN
Inventors: 吴守峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-05-20
Filing date: 2022-05-20
Publication date: 2022-08-23
Anticipated expiration: 2032-05-20

Abstract

The utility model relates to a dig and strut the field, concretely relates to a tunnel side guard for colliery is excavated, including a carriage, carriage one side movable mounting has No. two carriages, a carriage with No. two carriages upper surface activity embedding install the liftout rod, liftout rod upper end movable mounting has the arc bracing piece, a carriage with No. two equal movable mounting of carriage lower extreme have the base, fixed surface installs the fixture block on the base, fixed surface installs the bearing in the embedding of fixture block upper surface, the inside activity of liftout rod alternates there is the lead screw, lead screw outside fixed surface installs the turbine. The utility model discloses in, can make the bracing piece and the arc bracing piece swing joint of vertical direction, reduce the area that the group's board occupy is protected in the tunnel, make it be convenient for remove, also can protect the height of group's board to the tunnel according to the height in tunnel and adjust, and keep structural stability and compressive capacity between connecting plate and the bracing piece.

Description

Roadway side protecting plate for coal mine excavation

Technical Field

The utility model relates to a field is strutted in the excavation, concretely relates to side board is protected in tunnel for coal mine excavation.

Background

The coal mine is a place rich in coal resources and generally comprises a mineworker coal mine and an open pit coal mine, when a coal bed is far away from the ground surface, a roadway is generally excavated to the underground, the coal mine is the mineworker coal mine, when the coal bed is close to the ground surface, the coal mine is generally excavated by directly stripping a surface soil layer, the open pit coal mine is provided, the coal is the most main solid fuel and is one of combustible organic rocks, the coal mine can be divided into four types of peat, lignite, bituminous coal and anthracite according to different coalification degrees, the coal mine generally needs to support the roadway in the excavation process to prevent the roadway from collapsing or prevent the sandstone from falling, and therefore a roadway side guard plate needs to be used for supporting and fixing the inner wall of the roadway.

The notice number is: CN210799001U, which discloses a tunnel side guard for coal mining, comprising a tunnel side guard body, wherein a first supporting beam is fixedly installed on the right side of the tunnel side guard body, supporting legs are fixedly installed on both sides of the first supporting beam, mounting grooves are uniformly distributed on the inner sides of the supporting legs, side connecting ribs are installed on the inner walls of the mounting grooves, a C-shaped supporting frame is fixedly installed on the upper side of the supporting legs, a first reinforcing rib is fixedly installed on the left lower side of the C-shaped supporting frame, a second reinforcing rib is fixedly installed on the right lower side of the C-shaped supporting frame, uniformly distributed hanging grooves are formed in the middle of the upper side of the C-shaped supporting frame, a top reinforcing plate is installed on the inner wall of the hanging grooves, T-shaped sliding strips are fixedly installed inside the hanging grooves on the upper side of the top reinforcing plate, the whole equipment is convenient to carry and simple to operate, the functions are rich, the stability and the practicability are higher, and certain popularization value is achieved;

still there is certain drawback when using, the bracing piece and the arc bracing piece fixed connection of vertical direction, and the area that occupies is big, is not convenient for remove, also can not protect the high regulation of group's board to the tunnel according to the height in tunnel, and the connecting plate carries out the joint through the spout of bracing piece side surface, and the tunnel protects the stability and the compressive capacity of group's board and hang down.

SUMMERY OF THE UTILITY MODEL

In order to overcome the technical problems, the utility model aims to provide a roadway side protection plate for coal mining, a base is fixed at the bottom of a roadway through a fastener, then two clamping grooves at the lower end of an arc-shaped supporting rod are sleeved at the upper end of a jacking rod, two persons are inserted into an inner hexagon nut by an electric screwdriver at the same time to drive a worm to rotate, the screw rod is rotated through the transmission of a worm wheel, the two jacking rods are moved upwards to enable the arc-shaped supporting rod to abut against the upper end of the roadway, thereby enabling the supporting rod in the vertical direction to be movably connected with the arc-shaped supporting rod, reducing the area occupied by the roadway side protection plate, facilitating the movement of the roadway side protection plate, adjusting the height of the roadway side protection plate according to the height of the roadway, one end of a connecting plate is clamped into a clamping frame, a second group of a first supporting frame and a second supporting frame are installed, and the clamping frame at one side of the second supporting frame is clamped with the other end of the connecting plate, then repeated operation carries out the installation of whole tunnel side panel, reduces the hole groove of seting up on the bracing piece surface, keeps structural stability and compressive capacity between connecting plate and the bracing piece.

The purpose of the utility model can be realized by the following technical proposal:

a roadway side guard for coal mining comprises a first supporting frame, a second supporting frame is movably arranged on one side of the first supporting frame, the upper surfaces of the first supporting frame and the second supporting frame are movably embedded with a jacking rod, the upper end of the jacking rod is movably provided with an arc-shaped supporting rod, the lower ends of the first supporting frame and the second supporting frame are movably provided with bases, the upper surfaces of the bases are fixedly provided with clamping blocks, the upper surface of the clamping block is fixedly embedded with a bearing, a screw rod is movably inserted in the jacking rod, a worm wheel is fixedly arranged on the outer side surface of the screw rod, worms are rotatably connected on the inner surfaces of the first support frame and the second support frame, the front surface and the rear surface of the first support frame, the arc-shaped support rod and the second support frame are fixedly provided with clamping frames, no. one carriage, arc bracing piece and No. two carriage one side equal movable mounting has the connecting plate.

Further, the method comprises the following steps: the supporting frame, the arc-shaped supporting rod and the supporting frame II are two in number, the connecting plate is connected with the clamping frame, the supporting frame, the arc-shaped supporting rod and the supporting frame II in a movable mode, hole grooves formed in the surface of the supporting rod are reduced, the connecting plate is fixed, and structural stability and compressive capacity between the connecting plate and the supporting rod are maintained.

Further, the method comprises the following steps: a carriage with No. two equal movable mounting in carriage outside surface have a protection network, arc bracing piece outside movable mounting has No. two protection networks, a carriage, arc bracing piece and No. two equal fixed mounting in carriage outside surface have two-way cardboard, and a protection network prevents that the rubble of tunnel inner wall from dropping.

Further, the method comprises the following steps: a protection network pass through two-way cardboard respectively with carriage, No. two carriage swing joint, No. two protection networks pass through two-way cardboard with arc bracing piece swing joint, protection network and No. two protection networks insert inside it from two-way cardboard one end, through frictional force, fix a protection network and No. two protection networks.

Further, the method comprises the following steps: the arc-shaped support rod lower extreme has seted up the draw-in groove, the lifting rod pass through the draw-in groove with arc-shaped support rod swing joint, the thread groove has been seted up to the lifting rod inside, the lead screw pass through the thread groove with lifting rod swing joint, the bearing inner circle with lead screw fixed connection, the bearing prevents that the lead screw from shifting up when the lead screw rotates.

Further, the method comprises the following steps: the utility model discloses a supporting frame, including a worm, a worm one end, a worm outside fixed surface installs the spacing ring, the worm with the worm wheel meshing is connected, and the worm rotates, through the transmission of worm wheel, makes the lead screw rotate, with two lifters rebound.

Further, the method comprises the following steps: the utility model discloses a worm, including worm one end, internal hexagonal nut outside fixed surface installs the limiting plate, a carriage with the equal fixed mounting in No. two carriage side surfaces has the thread bush, the inside activity interlude of thread bush has the bolt, restricts two limiting plates through the bolt, prevents its rotation, increases the stability of worm.

The utility model has the advantages that:

the first protective net and the second protective net are inserted into the bidirectional clamping plate from one end, and the first protective net and the second protective net are fixed through friction force, the one end of the connecting plate is clamped into the clamping frame, the first group of first supporting frame and the second group of first supporting frame are installed, the clamping frame on one side of the connecting plate is clamped with the other end of the connecting plate, then the operation is repeated, the installation of the whole roadway side protection plate is carried out, hole grooves formed in the surface of the supporting rod are reduced, and the structural stability and the pressure resistance between the connecting plate and the supporting rod are kept.

Drawings

The present invention will be further described with reference to the accompanying drawings.

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

FIG. 2 is a schematic view of the detachable structure of the support rod and the base of the present invention;

FIG. 3 is a schematic view of a cross-sectional structure of a portion of the first support frame and the arc-shaped support rod of the present invention;

fig. 4 is a schematic view of the sectional structure of the joint between the worm and the first support frame of the present invention.

In the figure: 1. a first support frame; 101. a second supporting frame; 102. an arc-shaped support rod; 103. a jacking rod; 104. a thread groove; 105. a card slot; 2. a base; 201. a clamping block; 202. a bearing; 203. a screw rod; 3. a worm gear; 301. a worm; 302. a limiting ring; 303. an inner hexagonal nut; 304. a limiting plate; 305. a threaded sleeve; 306. a bolt; 4. a connecting plate; 401. clamping a frame; 5. a first protective net; 501. a second protective net; 502. two-way cardboard.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, a roadway side protecting plate for coal mining comprises a first supporting frame 1, a second supporting frame 101 is movably installed on one side of the first supporting frame 1, a lifting rod 103 is movably embedded and installed on the upper surfaces of the first supporting frame 1 and the second supporting frame 101, an arc-shaped supporting rod 102 is movably installed at the upper end of the lifting rod 103, a base 2 is movably installed at the lower ends of the first supporting frame 1 and the second supporting frame 101, a clamping block 201 is fixedly installed on the upper surface of the base 2, a bearing 202 is fixedly embedded and installed on the upper surface of the clamping block 201, a lead screw 203 is movably inserted into the lifting rod 103, a worm wheel 3 is fixedly installed on the outer surface of the lead screw 203, worms 301 are rotatably connected on the inner surfaces of the first supporting frame 1 and the second supporting frame 101, clamping frames 401 are fixedly installed on the front surfaces and the rear surfaces of the first supporting frame 1, the arc-shaped supporting rod 102 and the second supporting frame 101, a clamping frame 401 is fixedly installed on the front surface and the rear surface of the first supporting frame 1, a supporting frame, The arc-shaped support rod 102 and one side of the second support frame 101 are both movably provided with a connecting plate 4.

The number of the first support frame 1, the number of the arc-shaped support rods 102 and the number of the second support frame 101 are two, the connecting plate 4 is movably connected with the first support frame 1, the number of the arc-shaped support rods 102 and the number of the second support frame 101 through the clamping frames 401, hole grooves formed in the surfaces of the support rods are reduced, the connecting plate 4 is fixed, and structural stability and pressure resistance between the connecting plate 4 and the support rods are kept; the first protective net 5 is movably mounted on the outer side surfaces of the first supporting frame 1 and the second supporting frame 101, the second protective net 501 is movably mounted on the outer side of the arc-shaped supporting rod 102, the two-way clamping plate 502 is fixedly mounted on the outer side surfaces of the first supporting frame 1, the arc-shaped supporting rod 102 and the second supporting frame 101, and crushed stones on the inner wall of the roadway are prevented from falling off through the first protective net 5; a protection network 5 respectively through two-way cardboard 502 with carriage 1, No. two carriage 101 swing joint, No. two protection networks 501 pass through two-way cardboard 502 and arc bracing piece 102 swing joint, and it is inside that a protection network 5 and No. two protection networks 501 insert from two-way cardboard 502 one end, through frictional force, with a protection network 5 and No. two protection networks 501 fixed.

The lower end of the arc-shaped support rod 102 is provided with a clamping groove 105, the jacking rod 103 is movably connected with the arc-shaped support rod 102 through the clamping groove 105, a thread groove 104 is formed in the jacking rod 103, the screw rod 203 is movably connected with the jacking rod 103 through the thread groove 104, the inner ring of the bearing 202 is fixedly connected with the screw rod 203, and the bearing 202 prevents the screw rod 203 from moving upwards when the screw rod 203 rotates; one end of a worm 301 penetrates through the front surfaces of the first supporting frame 1 and the second supporting frame 101, a limiting ring 302 is fixedly mounted on the outer side surface of the worm 301, the worm 301 is meshed with the worm wheel 3, the worm 301 rotates, the lead screw 203 rotates through transmission of the worm wheel 3, the two jacking rods 103 move upwards, the arc-shaped supporting rod 102 is abutted against the upper end of the roadway, and therefore the supporting rod in the vertical direction can be movably connected with the arc-shaped supporting rod 102, the area occupied by the roadway side protection plate is reduced, the roadway side protection plate is convenient to move, and the height of the roadway side protection plate can be adjusted according to the height of the roadway; worm 301 one end fixed mounting has hexagon nut 303 in, and hexagon nut 303 outside fixed surface installs limiting plate 304, and the equal fixed mounting of a carriage 1 and No. two carriage 101 side surfaces has thread bush 305, and the inside activity interlude of thread bush 305 has bolt 306, restricts two limiting plates 304 through bolt 306, prevents its rotation, increases worm 301's stability.

The working principle is as follows: when the bidirectional clamping plate is used, the first supporting frame 1 and the second supporting frame 101 are sleeved above the clamping block 201, the base 2 is connected, the screw rod 203 is inserted into the thread groove 104, the base 2 is fixed at the bottom of a roadway through a fastening piece, then the two clamping grooves 105 at the lower end of the arc-shaped supporting rod 102 are sleeved at the upper end of the jacking rod 103, two persons are simultaneously inserted into the inner hexagon nut 303 through an electric screwdriver to drive the worm 301 to rotate, the screw rod 203 is rotated through the transmission of the worm wheel 3, the two jacking rods 103 are moved upwards to enable the arc-shaped supporting rod 102 to abut against the upper end of the roadway, so that the supporting rod in the vertical direction can be movably connected with the arc-shaped supporting rod 102, the area occupied by the roadway side protecting plate is reduced, the roadway side protecting plate is convenient to move, the height of the roadway side protecting plate can be adjusted according to the height of the roadway, the first protecting net 5 and the second protecting net 501 are inserted into the bidirectional clamping plate 502 from one end, through frictional force, it is fixed with protection network 5 and No. two protection networks 501, with inside connecting plate 4 one end card income card frame 401, the second supporting frame 1 of group and No. two supporting frames 101 are installed, make the card frame 401 and the connecting plate 4 other end joint of its one side, then repeated operation carries out the installation of whole tunnel side guard, reduces the hole groove of seting up on the bracing piece surface, keeps structural stability and compressive capacity between connecting plate 4 and the bracing piece.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is illustrative and explanatory only, and it is intended that all such modifications, additions and substitutions as would be apparent to one skilled in the art to the specific embodiments described are within the scope of the invention as claimed.

Claims

1. The roadway side protecting plate for coal mine excavation is characterized by comprising a first supporting frame (1), wherein one side of the first supporting frame (1) is movably provided with a second supporting frame (101), the upper surfaces of the first supporting frame (1) and the second supporting frame (101) are movably embedded with a jacking rod (103), the upper end of the jacking rod (103) is movably provided with an arc-shaped supporting rod (102), the lower ends of the first supporting frame (1) and the second supporting frame (101) are both movably provided with a base (2), the upper surface of the base (2) is fixedly provided with a clamping block (201), the upper surface of the clamping block (201) is fixedly embedded with a bearing (202), a lead screw (203) is movably inserted in the jacking rod (103), the outer side surface of the lead screw (203) is fixedly provided with a worm gear (3), the inner surfaces of the first supporting frame (1) and the second supporting frame (101) are both rotatably connected with a worm (301), no. one carriage (1), arc bracing piece (102) and No. two carriage (101) front surface and the equal fixed mounting in rear surface have card frame (401), carriage (1), arc bracing piece (102) and No. two carriage (101) one side equal movable mounting has connecting plate (4).

2. The roadway side protecting plate for coal mine excavation according to claim 1, wherein the number of the first supporting frame (1), the number of the arc-shaped supporting rods (102) and the number of the second supporting frame (101) are two, and the connecting plate (4) is movably connected with the first supporting frame (1), the number of the arc-shaped supporting rods (102) and the number of the second supporting frame (101) through the clamping frame (401).

3. The roadway side protecting plate for coal mine excavation according to claim 1, wherein a first protective net (5) is movably mounted on the outer side surfaces of the first supporting frame (1) and the second supporting frame (101), a second protective net (501) is movably mounted on the outer side of the arc-shaped supporting rod (102), and a bidirectional clamping plate (502) is fixedly mounted on the outer side surfaces of the first supporting frame (1), the arc-shaped supporting rod (102) and the second supporting frame (101).

4. The roadway side protecting plate for coal mine mining according to claim 3, wherein the first protective net (5) is movably connected with the first supporting frame (1) and the second supporting frame (101) through the bidirectional clamping plate (502), and the second protective net (501) is movably connected with the arc-shaped supporting rod (102) through the bidirectional clamping plate (502).

5. The roadway side protecting plate for coal mine excavation according to claim 1, wherein a clamping groove (105) is formed at the lower end of the arc-shaped supporting rod (102), the jacking rod (103) is movably connected with the arc-shaped supporting rod (102) through the clamping groove (105), a threaded groove (104) is formed in the jacking rod (103), the screw rod (203) is movably connected with the jacking rod (103) through the threaded groove (104), and an inner ring of the bearing (202) is fixedly connected with the screw rod (203).

6. The roadway side protecting plate for coal mine mining according to claim 1, wherein one end of the worm (301) penetrates through the front surfaces of the first supporting frame (1) and the second supporting frame (101), a limiting ring (302) is fixedly mounted on the outer side surface of the worm (301), and the worm (301) is in meshed connection with the worm wheel (3).

7. The roadway side guard for coal mine excavation according to claim 6, wherein an inner hexagonal nut (303) is fixedly installed at one end of the worm (301), a limiting plate (304) is fixedly installed on the outer side surface of the inner hexagonal nut (303), threaded sleeves (305) are fixedly installed on the surfaces of one side of the first supporting frame (1) and one side of the second supporting frame (101), and bolts (306) are movably inserted in the threaded sleeves (305).