CN211573537U

CN211573537U - Rail type cast-in-place reinforced concrete supporting mold used for underground coal mine

Info

Publication number: CN211573537U
Application number: CN201922282917.6U
Authority: CN
Inventors: 娄毅
Original assignee: Guizhou Panjiang Cbm Development & Utilization Co ltd
Current assignee: Guizhou Panjiang Cbm Development & Utilization Co ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-09-25
Anticipated expiration: 2029-12-18

Abstract

The utility model belongs to the technical field of the coal mining technique and specifically relates to a rail mounted cast in situ reinforced concrete supporting die for colliery is in pit, the foundation ditch comprises a foundation ditch, the inside of foundation ditch is equipped with supporting mechanism, supporting mechanism includes upper fixed ring and lower fixed ring, upper fixed ring and lower fixed ring are located the inside top and the bottom of foundation ditch respectively, be connected through a plurality of fixed establishment between upper fixed ring and the foundation ditch inner wall, just be provided with the polylith baffle along the circumferencial direction between upper fixed ring and the lower fixed ring. The utility model discloses a set up fixed establishment to can install supporting mechanism inside the foundation ditch, effectively improve supporting mechanism's stability; the supporting mechanism is arranged, so that a supporting mold can be quickly formed, pouring of concrete is facilitated, and meanwhile, the supporting mechanism can be conveniently installed and detached, and the working efficiency is effectively improved.

Description

Rail type cast-in-place reinforced concrete supporting mold used for underground coal mine

Technical Field

The utility model relates to a coal mining field especially relates to a rail mounted cast in situ reinforced concrete supporting die for colliery is in pit.

Background

In existing downhole mining operations, longwall face total caving methods are often used to manage roof mining. The top plate rock stratum of the goaf is gradually changed and unbalanced in original stress until collapse along with the movement of the coal face. With the increase of coal mining intensity of the coal mine, once the area of the goaf of the coal mine is larger than the maximum exposed area of the roof rock stratum, the roof of the goaf can sink and collapse. Aiming at the problem, the following method is provided, and in the coal mining operation process, the goaf is permanently supported while coal mining is carried out. And can use the supporting mold when concreting, current supporting mold structure is fixed, the concatenation of being not convenient for dismantle, sealing performance is poor, the installation effectiveness is low to this provides a rail mounted cast in situ reinforced concrete supporting mold who is used for the colliery in the pit.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that has the not convenient to detach concatenation among the prior art, sealing performance is poor, and the installation effectiveness is low, and the rail mounted cast in situ reinforced concrete of a kind that proposes is used for the colliery in the pit struts the mould.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a rail mounted cast in situ reinforced concrete supporting die for colliery is in pit, includes the foundation ditch, the inside of foundation ditch is equipped with supporting mechanism, supporting mechanism includes upper fixed ring and lower fixed ring, upper fixed ring and lower fixed ring are located the inside top and the bottom of foundation ditch respectively, be connected through a plurality of fixed establishment between upper fixed ring and the foundation ditch inner wall, just be provided with the polylith baffle along the circumferencial direction between upper fixed ring and the lower fixed ring, it is adjacent mutually contact between the baffle, all be connected through installation mechanism between the both ends of baffle and upper fixed ring and the lower fixed ring.

Preferably, the fixing mechanism comprises a clamping plate clamped outside the upper fixing ring, the clamping plate is fixedly connected with the upper fixing ring through a locking bolt, a fixing seat is fixedly mounted on the inner wall of the foundation pit at the position corresponding to the clamping plate, and the fixing seat is connected with the clamping plate through an adjusting mechanism.

Preferably, the adjusting mechanism comprises a threaded sleeve horizontally arranged between the fixing base and the clamping plate, lead screws are inserted into two inner ends of the threaded sleeve in a threaded manner, one ends of the two lead screws, which are far away from each other, are fixedly connected to the fixing base and the clamping plate respectively, and the outer threads of the two lead screws are symmetrically arranged.

Preferably, installation mechanism includes that the annular is seted up at the inboard spout of last solid fixed ring or lower fixed ring, the spout is close to and has been seted up the cartridge groove on the last solid fixed ring or the lower fixed ring of baffle one side, cartridge groove and spout intercommunication each other, just fixed mounting has the spacing ring on the inner wall that cartridge groove one side was kept away from to the spout baffle tip fixedly connected with and cartridge groove assorted slide, the slide is through cartridge groove slidable mounting inside the spout, just slide and cartridge groove dislocation set.

Preferably, a sealing groove is formed in one side of each baffle, a sealing strip matched with the sealing groove is connected to the other side of each baffle, and the baffles are adjacent to each other and are tightly connected with the sealing strips through the sealing grooves.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses a set up fixed establishment to can install supporting mechanism inside the foundation ditch, effectively improve supporting mechanism's stability;

2. the supporting mechanism is arranged, so that a supporting mold can be quickly formed, pouring of concrete is facilitated, and meanwhile, the supporting mechanism can be conveniently installed and detached, and the working efficiency is effectively improved.

Drawings

FIG. 1 is a schematic structural view of a track type cast-in-place reinforced concrete supporting mold for an underground coal mine, which is provided by the utility model;

FIG. 2 is a schematic structural view of a baffle plate of the track type cast-in-place reinforced concrete supporting mold for the underground coal mine provided by the utility model;

fig. 3 is the utility model provides a solid fixed ring structure sketch map on rail mounted cast-in-place reinforced concrete supporting mold for colliery is in the pit.

In the figure: the fixing device comprises an upper fixing ring 1, a locking bolt 2, a clamping plate 3, a screw rod 4, a fixing seat 5, a threaded sleeve 6, a foundation pit 7, a lower fixing ring 8, a baffle 9, a sealing groove 10, a sliding plate 11, a sealing strip 12, a sliding groove 13, a limiting ring 14 and an insertion groove 15.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

As shown in fig. 1-3, the track type cast-in-place reinforced concrete supporting mold for the underground coal mine comprises a foundation pit 7, wherein a supporting mechanism is arranged inside the foundation pit 7, the supporting mechanism comprises an upper fixing ring 1 and a lower fixing ring 8, the upper fixing ring 1 and the lower fixing ring 8 are respectively positioned at the top end and the bottom end inside the foundation pit 7, the upper fixing ring 1 is connected with the inner wall of the foundation pit 7 through a plurality of fixing mechanisms, a plurality of baffles 9 are arranged between the upper fixing ring 1 and the lower fixing ring 8 along the circumferential direction, the adjacent baffles 9 are in contact with each other, and two ends of each baffle 9 are connected with the upper fixing ring 1 and the lower fixing ring 8 through mounting; through setting up solid fixed ring 1 and solid fixed ring 8 down to can carry out the stable connection with polylith baffle 9, through the polylith baffle 9 that sets up, thereby can constitute one fast and strut the mould, be convenient for pour the concrete.

The fixing mechanism comprises a clamping plate 3 clamped outside the upper fixing ring 1, the clamping plate 3 is fixedly connected with the upper fixing ring 1 through a locking bolt 2, a fixing seat 5 is fixedly installed on the inner wall of a foundation pit 7 at the position corresponding to the clamping plate 3, the fixing seat 5 is connected with the clamping plate 3 through an adjusting mechanism, the adjusting mechanism comprises a threaded sleeve 6 horizontally arranged between the fixing seat 5 and the clamping plate 3, screw rods 4 are inserted into two ends of the interior of the threaded sleeve 6 in a threaded manner, one ends, away from each other, of the two screw rods 4 are fixedly connected to the fixing seat 5 and the clamping plate 3 respectively, and the outer threads of the two screw rods 4 are symmetrically arranged; through locking bolt 2 to can clamp grip block 3 is fixed and adorns in upper fixed ring 1 outside, through setting up threaded sleeve 6 and lead screw 4, thereby can be connected grip block 3 and fixing base 5, simultaneously through rotating threaded sleeve 6, thereby can adjust the distance between the lead screw 4, change position between grip block 3 and the fixing base 5 with this, effectively improve upper fixed ring 1's stability.

The mounting mechanism comprises a chute 13 annularly arranged on the inner side of the upper fixing ring 1 or the lower fixing ring 8, an insertion groove 15 is arranged on the upper fixing ring 1 or the lower fixing ring 8 on one side of the chute 13 close to the baffle 9, the insertion groove 15 is communicated with the chute 13, a limiting ring 14 is fixedly arranged on the inner wall of one side of the chute 13 far away from the insertion groove 15, a sliding plate 11 matched with the insertion groove 15 is fixedly connected to the end part of the baffle 9, the sliding plate 11 is slidably arranged in the chute 13 through the insertion groove 15, and the sliding plate 11 and the insertion groove 15 are arranged in a staggered mode; through setting up cartridge groove 15 to can be inside spout 13 with slide 11 cartridge, through setting up spacing ring 14, thereby can carry on spacingly to slide 11, avoid slide 11 to break away from inside spout 13, through setting up slide 11 and cartridge groove 15 dislocation, thereby can ensure the connectivity between slide 11 and upper fixing ring 1 or lower fixing ring 8.

One side of each baffle 9 is provided with a sealing groove 10, the other side of each baffle 9 is connected with a sealing strip 12 matched with the sealing groove 10, and two adjacent baffles 9 are tightly connected with the sealing strips 12 through the sealing grooves 10; by arranging the sealing groove 10 and the sealing strip 12, two adjacent baffle plates 9 can be tightly connected, and the sealing performance between the baffle plates 9 is effectively ensured.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a rail mounted cast in situ reinforced concrete supporting mould for colliery is in pit, includes foundation ditch (7), its characterized in that, the inside of foundation ditch (7) is equipped with the supporting mechanism, the supporting mechanism includes upper fixed ring (1) and lower fixed ring (8), upper fixed ring (1) and lower fixed ring (8) are located the inside top and the bottom of foundation ditch (7) respectively, be connected through a plurality of fixed establishment between upper fixed ring (1) and foundation ditch (7) inner wall, just be provided with polylith baffle (9) along the circumferencial direction between upper fixed ring (1) and lower fixed ring (8), it is adjacent mutual contact between baffle (9), all be connected through installation mechanism between the both ends of baffle (9) and upper fixed ring (1) and lower fixed ring (8).

2. The track type cast-in-place reinforced concrete supporting mold for the underground coal mine according to claim 1, wherein the fixing mechanism comprises a clamping plate (3) clamped outside the upper fixing ring (1), the clamping plate (3) is fixedly connected with the upper fixing ring (1) through a locking bolt (2), a fixing seat (5) is fixedly installed on the inner wall of a foundation pit (7) at a position corresponding to the clamping plate (3), and the fixing seat (5) is connected with the clamping plate (3) through an adjusting mechanism.

3. The track type cast-in-place reinforced concrete support mold for the underground coal mine according to claim 2, wherein the adjusting mechanism comprises a threaded sleeve (6) horizontally arranged between a fixed seat (5) and a clamping plate (3), screw rods (4) are inserted into two ends of the interior of the threaded sleeve (6) in a threaded manner, one ends, far away from each other, of the two screw rods (4) are fixedly connected to the fixed seat (5) and the clamping plate (3) respectively, and the outer threads of the two screw rods (4) are symmetrically arranged.

4. The track type cast-in-place reinforced concrete supporting mold for the underground coal mine according to claim 1, wherein the mounting mechanism comprises a chute (13) which is annularly formed inside an upper fixing ring (1) or a lower fixing ring (8), an insertion groove (15) is formed in the upper fixing ring (1) or the lower fixing ring (8) on one side, close to the baffle (9), of the chute (13), the insertion groove (15) is communicated with the chute (13), a limiting ring (14) is fixedly mounted on the inner wall of one side, far away from the insertion groove (15), of the chute (13), a sliding plate (11) matched with the insertion groove (15) is fixedly connected to the end portion of the baffle (9), the sliding plate (11) is slidably mounted inside the chute (13) through the insertion groove (15), and the sliding plate (11) and the insertion groove (15) are arranged in a staggered mode.

5. The track type cast-in-place reinforced concrete supporting mold used for the underground coal mine according to claim 1, wherein a sealing groove (10) is formed in one side of each baffle (9), a sealing strip (12) matched with the sealing groove (10) is connected to the other side of each baffle (9), and two adjacent baffles (9) are tightly connected with the sealing strip (12) through the sealing groove (10).