CN210889000U

CN210889000U - A stock supporting construction for coal mine tunnel

Info

Publication number: CN210889000U
Application number: CN201922081999.8U
Authority: CN
Inventors: 王峰; 马力; 左安家; 马丽洁
Original assignee: North China Institute of Science and Technology
Current assignee: North China Institute of Science and Technology
Priority date: 2019-11-27
Filing date: 2019-11-27
Publication date: 2020-06-30
Anticipated expiration: 2029-11-27

Abstract

The utility model discloses a stock supporting construction for coal mine tunnel, including stock and fixed disk, the stock is inserted on the left side terminal surface of fixed disk, the side symmetry of fixed disk is fixed with four spinal branch poles, install the joint subassembly on the lever arm of stock, the joint subassembly is provided with three groups, and three joint subassembly equidistance of group are arranged on the stock, be provided with the cavity in the stock, install the slide bar in the cavity.

Description

A stock supporting construction for coal mine tunnel

Technical Field

The utility model relates to a colliery safety support equipment technical field specifically is a stock supporting construction for coal mine tunnel.

Background

The anchor bolt support is a general name of a support structure with an anchor bolt as a limb, is an active support mode, is widely applied to mining engineering, and in recent years, along with the continuous enhancement of the coal mining depth, the characteristics of high tunnel surrounding rock earth pressure, large stress, internal loose and broken and the like are continuously and prominently displayed.

SUMMERY OF THE UTILITY MODEL

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a stock supporting construction for coal mine tunnel, includes stock and fixed disk, the stock is inserted on the left side terminal surface of fixed disk, the side symmetry of fixed disk is fixed with four spinal branch poles, install the joint subassembly on the lever arm of stock, the joint subassembly is provided with three groups, and three joint subassemblies equidistance of group are arranged on the stock, be provided with the cavity in the stock, install the slide bar in the cavity.

As a preferred technical proposal of the utility model, the lever arm of the anchor rod is provided with a rotating groove, the clamping component comprises a clamping block and two connecting rods, the clamping block is rotatably connected in the rotating groove, one end of the connecting rod is rotatably connected with the clamping block, the two connecting rods are arranged and symmetrically arranged at two sides of the clamping block, the lever arm of the sliding rod is fixed with a connecting piece, the other end of the connecting rod is hinged with the connecting piece, the inner wall of the anchor rod is symmetrically provided with two sliding grooves, the side surface of the sliding rod is provided with a slide block, the sliding rod is slidably connected with the anchor rod through the slide block, the tail end of the sliding rod is provided with an external thread, one end of the anchor rod is rotatably connected with a fixing piece, the middle position of the end surface of the fixing piece is provided with a threaded hole, the sliding rod is rotatably connected, the cross section of the clamping block is of an inverted triangle structure.

As a preferred technical scheme of the utility model, the spacing groove has been seted up to one side of rotating the groove, sliding connection has the connection plate in the spacing groove, the joint has the spring between connection plate and the spacing groove, the up end left side of connecting the plate is provided with a rectangle breach, the joint of mutually supporting of rectangle breach and joint piece.

As an optimal technical scheme of the utility model, the left end face of fixed disk is provided with the protection network, four branches connect four corners of fixed protection network respectively.

As a preferred technical scheme of the utility model, four spread grooves have been seted up to the preceding terminal surface symmetry of fixed disk, rotate respectively in the spread groove and be connected with keysets one and keysets two, keysets one and keysets two mutually support, a plurality of groups align to grid's draw-in groove has been seted up to the up end of keysets one, the up end of keysets two is fixed with three cylinder dop, the cylinder dop mutually supports the joint with the draw-in groove.

Compared with the prior art, the utility model provides a stock supporting construction for coal mine tunnel possesses following beneficial effect:

1. the utility model has the advantages that the anchor rod achieves the effect of stable insertion in the coal mine by arranging the three groups of clamping components, and the supporting capability of the device is improved;

2. the utility model utilizes the supporting rods to fix four corners of the protective net, thereby increasing the supporting area and improving the use efficiency; 3. the device can achieve the purpose of connection and fixation between a plurality of anchor rods by the mutual matching of the first adapter plate and the second adapter plate, so that the supporting strength of the anchor rods is improved.

Drawings

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

fig. 2 is a cross-sectional view of the anchor rod of the present invention;

fig. 3 is a schematic structural view of the clamping assembly of the present invention;

FIG. 4 is a schematic structural view of a fixed disk of the present invention;

fig. 5 is a schematic structural view of a connecting plate according to the present invention;

fig. 6 is a schematic structural view of a first transfer plate and a second transfer plate of the present invention;

in the figure: 1. a strut; 2. fixing the disc; 21. connecting grooves; 22. a first adapter plate; 23. a second adapter plate; 24. a card slot; 25. a cylindrical chuck; 3. an anchor rod; 31. a cavity; 32. a limiting groove; 33. a sliding groove; 34. connecting the plate members; 35. a rectangular notch; 4. a clamping assembly; 41. a clamping block; 42. a connecting rod; 5. a slide bar; 51. a slider; 52. a connecting member; 6. and a fixing member.

Detailed Description

Referring to fig. 1, the utility model provides a technical scheme: the utility model provides a stock supporting construction for coal mine tunnel, includes stock 3 and fixed disk 2, stock 3 assigns on the left side terminal surface of fixed disk 2, the side symmetry of fixed disk 2 is fixed with four spinal branch poles 1, install joint subassembly 4 on the lever arm of stock 3, joint subassembly 4 is provided with three groups, and three group's joint subassembly equidistance range on stock 3, be provided with cavity 31 in the stock 3, install slide bar 5 in the cavity 31, through installing joint subassembly 4 on the stock for 3 fastens more when assigning in coal mine tunnel of stock 3, prevents 3 slips of stock, leads to strutting the quality poor, causes the potential safety hazard to the staff.

Referring to fig. 2 and 3, in this embodiment, a rotating groove is formed on a lever arm of the anchor rod 3, the clamping assembly 4 includes a clamping block 41 and a connecting rod 42, the clamping block 41 is rotatably connected in the rotating groove, one end of the connecting rod 42 is rotatably connected with the clamping block 41, the connecting rod 42 is provided with two connecting rods 42, the two connecting rods 42 are symmetrically installed on two sides of the clamping block 41, a connecting piece 52 is fixed on the lever arm of the sliding rod 5, the other end of the connecting rod 42 is hinged to the connecting piece, two sliding grooves 33 are symmetrically formed on an inner wall of the anchor rod 3, a sliding block 51 is arranged on a side surface of the sliding rod 5, the sliding rod 5 is slidably connected with the anchor rod 3 through the sliding block 51, an external thread is arranged at the tail end of the sliding rod 5, one end of the anchor rod 3 is rotatably connected with, slide bar 5 rotates with mounting 6 through the meshing between external screw thread and the screw hole to be connected, the transversal inverted triangle structure of personally submitting of joint piece 41, utilize the side-to-side motion of slide bar 5 in stock 3, control popping out and the shrink of joint piece 41, thereby reach the fastening effect of reinforcing stock 3 and placeeing in the colliery, specifically, when using, insert stock 3 earlier in coal mine tunnel, joint piece 41 is the shrink state this moment, slide fixed disk 2 and fix to stock 3 on, and utilize mounting 6 to carry out the joint, rotatory mounting 6, through the meshing between screw hole and the external screw thread, promote slide bar 5 and remove along sliding tray 33 direction, connecting rod 42 pushes out joint piece 41 from the rotating groove, three group's joint subassembly 4 simultaneous workings, the completion is fastened the enhancement of stock 3.

Referring to fig. 5, in this embodiment, the spacing groove 32 has been seted up to one side of rotating the groove, sliding connection has connection plate 34 in the spacing groove 32, the joint has the spring between connection plate 34 and the spacing groove 32, the up end left side of connecting plate 34 is provided with a rectangle breach 35, rectangle breach 35 and the joint of mutually supporting of joint piece 41 utilize spring force, will connect plate 34 and withdraw from in spacing groove 32, connect plate 34 help reduce the colliery and get into in stock 3, prevent that the colliery from blockking up in cavity 31, increase the life of device.

In this embodiment, the left end face of fixed disk 2 is provided with the protection network, four spinal branch poles 1 are connected four corners of fixed protection network respectively, and the effective area that the protection network helps to enlarge anchor bolt support improves the availability factor of device.

Referring to fig. 4 and 6, in this embodiment, four spread grooves 21 have been seted up to the preceding terminal surface symmetry of fixed disk 2, it is connected with keysets one 22 and keysets two 23 to rotate respectively in the spread groove 21, keysets one 22 and keysets two 23 mutually support, a plurality of groups align to grid's draw-in groove 24 has been seted up to the up end of keysets one 22, the up end of keysets two 23 is fixed with three cylinder dop 25, cylinder dop 25 and draw-in groove 24 mutually support the joint, through the mutually support joint between keysets one 22 and keysets two 23 for a plurality of stock can reach the fixed effect of coordination each other, thereby strengthen the support ability and the reliability of stock.

The above, only be the concrete implementation of the preferred embodiment of the utility model, but the protection scope of the utility model is not limited thereto, and any technical personnel familiar with this technical field should be covered within the protection scope of the utility model in the technical scope of the utility model discloses, according to the technical scheme of the utility model and the utility model conception equivalence substitution or change.

Claims

1. The utility model provides a bolting structure for coal mine tunnel, includes stock (3) and fixed disk (2), its characterized in that: anchor rod (3) are inserted on the left side terminal surface of fixed disk (2), the side symmetry of fixed disk (2) is fixed with four spinal branch poles (1), install joint subassembly (4) on the lever arm of anchor rod (3), joint subassembly (4) are provided with three groups, and three groups of joint subassembly equidistance are arranged on anchor rod (3), be provided with cavity (31) in anchor rod (3), install slide bar (5) in cavity (31).

2. A bolting construction for a coal mine tunnel according to claim 1, characterised in that: the rotary groove is formed in the lever arm of the anchor rod (3), the clamping assembly (4) comprises a clamping block (41) and two connecting rods (42), the clamping block (41) is rotatably connected in the rotary groove, one end of each connecting rod (42) is rotatably connected with the clamping block (41), the connecting rods (42) are provided with two connecting rods (42) which are symmetrically arranged on two sides of the clamping block (41), a connecting piece (52) is fixed on the lever arm of the sliding rod (5), the other end of each connecting rod (42) is hinged with the connecting piece, two sliding grooves (33) are symmetrically formed in the inner wall of the anchor rod (3), a sliding block (51) is arranged on the side surface of the sliding rod (5), the sliding rod (5) is slidably connected with the anchor rod (3) through the sliding block (51), the tail end of the sliding rod (5) is provided with an external thread, one end of the anchor rod (3) is rotatably connected with a fixing piece (, threaded holes are formed in the middle of the end face of the fixing piece (6), the sliding rod (5) is rotatably connected with the fixing piece (6) through the meshing effect between the external threads and the threaded holes, and the cross section of the clamping block (41) is of an inverted triangular structure.

3. A bolting construction for a coal mine tunnel according to claim 2, characterised in that: spacing groove (32) have been seted up to one side of rotating the groove, sliding connection has connection plate (34) in spacing groove (32), the joint has the spring between connection plate (34) and spacing groove (32), the up end left side of connecting plate (34) is provided with a rectangle breach (35), rectangle breach (35) and joint piece (41) joint of mutually supporting.

4. A bolting construction for a coal mine tunnel according to claim 1, characterised in that: the left end face of the fixed disc (2) is provided with a protective net, and the four supporting rods (1) are respectively connected with four corners of the fixed protective net.

5. A bolting construction for a coal mine tunnel according to claim 1, characterised in that: four spread grooves (21) have been seted up to the preceding terminal surface symmetry of fixed disk (2), it is connected with keysets one (22) and keysets two (23) to rotate respectively in spread groove (21), keysets one (22) and keysets two (23) are mutually supported, draw-in groove (24) of a plurality of groups align to grid are seted up to the up end of keysets one (22), the up end of keysets two (23) is fixed with three cylinder dop (25), cylinder dop (25) and draw-in groove (24) mutually support the joint.