CN217735517U

CN217735517U - Frame construction for coal mine tunnel construction

Info

Publication number: CN217735517U
Application number: CN202221730753.4U
Authority: CN
Inventors: 左德生
Original assignee: Derui Jieneng Technology Co ltd
Current assignee: Derui Jieneng Technology Co ltd
Priority date: 2022-07-05
Filing date: 2022-07-05
Publication date: 2022-11-04
Anticipated expiration: 2032-07-05

Abstract

The utility model discloses a frame construction of colliery tunnel construction relates to tunnel frame technical field. Frame construction of colliery tunnel construction includes: protection net layer, be equipped with supporting construction in the protection net check layer, supporting construction includes a plurality of baffle subassemblies and supporting component, be equipped with four additional strengthening on the supporting component, the baffle subassembly includes a plurality of integrated arc backplate, a plurality of inserted bars of the equal fixedly connected with in integrated arc backplate both sides, the supporting component includes two supporting component, through a bolt and a nut fixed connection between two supporting component, the supporting component includes two arc backup pads, the one end bottom fixedly connected with fixed plate of arc backup pad, be equipped with multiunit jack and two perforation in the arc backup pad. The utility model discloses in, can improve supporting construction's supporting capacity through sharing the pressure of support component, rethread increases supporting construction's intensity and rigidity, advances one degree improvement supporting construction's supporting capacity to reduce the probability that the tunnel collapses and improve the security of whole device.

Description

Frame construction for coal mine tunnel construction

Technical Field

The utility model relates to a tunnel frame technical field especially relates to a frame construction of colliery tunnel construction.

Background

Coal mining selects to dig coal to underground, which is a mineworker coal mine, because the coal is deeply buried underground, the tunnel needs to be dug below a soil layer during mining, and in order to prevent the collapse of the tunnel and the casualties, a support device is most important to be built in the tunnel.

The support is required to be built in real time according to the excavation progress of a coal mine when the coal mine tunnel is supported and built, at present, a common support building mode of the coal mine tunnel is that an arc-shaped metal support piece is installed to be clung to the cambered surface of the coal mine tunnel, so that the arc-shaped metal support piece supports the side surface and the top of the arc-shaped tunnel, a plurality of stop bars supported by wood or concrete are inserted between the two arc-shaped metal support pieces, and due to gaps existing between the stop bars, the stop bars can only prevent massive soil in the tunnel from falling off, only can play a role in preventing the massive soil from falling off in the support mode, and cannot play a role in supporting, so that the support can only be provided by the arc-shaped metal support piece, the support capacity is not high, and the whole safety is poor. In addition, the existing frame supporting structures for coal mine tunnel construction, such as arch rings, long steel pipes and the like, are not easy to operate in narrow tunnels, particularly, the installation and the disassembly are very inconvenient, and due to the corrosion of a damp environment, when materials are reused, the safety and the reliability are poorer, and a plurality of potential safety hazards are brought.

To this end, we propose a frame structure for coal mine tunnel construction to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art related to the background art and providing a frame structure for coal mine tunnel construction.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a frame construction for coal mine tunnel construction comprising one or more frame units connected in series, the frame units comprising a protective grid layer and a supporting structure disposed within the protective grid layer, characterised in that the supporting structure comprises a pair of support members, a plurality of reinforcing structures and a plurality of baffle assemblies; the pair of supporting parts are positioned at the front end and the rear end of the frame unit and provide a primary supporting structure for the frame unit; the reinforcing structure is arranged on the supporting part and provides further stable support for the frame unit; the plurality of baffle assemblies are positioned between the pair of support members to provide a shielding body function for the frame unit.

Preferably, the pair of support members includes two support assemblies corresponding to each other in a front-rear direction, and the support assemblies include two arc-shaped support plates.

Preferably, the baffle assembly comprises a plurality of integrated arc-shaped protection plates paved along the wall of the tunnel, the integrated arc-shaped protection plates are tightly attached to each other, and the radian of the baffle assembly is the same as that of the support component and the tunnel.

Preferably, the support component comprises two support assemblies, and the two support assemblies are fixedly connected through a first bolt and a first nut.

The supporting parts are mainly used for supporting the tunnel and preventing the tunnel from collapsing.

Preferably, the supporting component comprises two arc-shaped supporting plates, a fixing plate is fixedly connected to the bottom of one end of each arc-shaped supporting plate, and a plurality of groups of jacks and two through holes are formed in the arc-shaped supporting plates.

The support component is arranged to facilitate the installation of the support component and the connection with the baffle plate component.

Preferably, the jacks are all formed by a plurality of jacks, the jacks correspond to the integrated arc-shaped guard plates respectively, the inserted rods correspond to the jacks respectively, and the inserted rods are connected with the jacks in a sliding mode.

Preferably, the reinforcing structure comprises a plurality of connecting rods, two disks are fixedly connected to the outer surfaces of the connecting rods, a plurality of through holes are formed in the disks, and the connecting rods are fixedly connected through a plurality of second bolts and second nuts.

The arrangement of the reinforcing structure can play a role in reinforcing the supporting capability of the supporting structure, so that the safety of the device is improved.

Preferably, the connecting rods are connected end to end, one ends of the connecting rods are fixedly connected with bumps, the other ends of the connecting rods are provided with grooves, the bumps correspond to the grooves, and the bumps are connected with the grooves in a sliding mode.

The arrangement of the connecting rod patterns facilitates the connection between the connecting rods.

The utility model discloses possess following beneficial effect at least:

a frame structure for coal mine tunnel construction, wherein a pair of supporting parts are positioned at the front end and the rear end of a frame unit and provide a primary supporting structure for the frame unit; the reinforcing structure is arranged on the supporting part and provides further stable support for the frame unit; the plurality of baffle assemblies are positioned between the pair of support members and provide a main body shielding function for the frame unit; the protective mesh layer provides the outermost waterproof and moistureproof function.

Each frame unit forms strong connection through a support component, and the overall support capacity of the support structure is further enhanced; the intensity and the rigidity that can increase supporting construction through additional strengthening's setting to further improve supporting construction's support ability, and then reduce the probability of tunnel collapse and improve the security of whole device.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.

Fig. 1 is a schematic view of the overall structure of a frame unit of a frame structure for coal mine tunnel construction according to the present invention;

fig. 2 is a side view of a frame unit of the frame structure for coal mine tunnel construction according to the present invention;

fig. 3 is a cross-sectional view of a frame unit of a frame structure for coal mine tunnel construction according to the present invention;

fig. 4 is an exploded view of a support structure of a frame unit of a frame structure for coal mine tunnel construction according to the present invention;

fig. 5 is an exploded view of the reinforcing structure of the frame unit of the frame structure for the construction of the middle coal mine tunnel according to the present invention.

In the figure: 1. a protective mesh layer; 2. a support structure; 3. a baffle assembly; 301. integrating the arc-shaped guard plate; 302. inserting a rod; 4. a support member; 401. a support assembly; 4011. an arc-shaped support plate; 4012. a fixing plate; 4013. a jack; 4014. perforating; 402. a first bolt; 403. a first nut; 5. a reinforcing structure; 501. a connecting rod; 5011. a bump; 5012. a groove; 502. a disc; 5021. a through hole; 503. a second bolt; 504. and a second nut.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-5, a frame construction for coal mine tunnel construction includes one or more frame units connected in series, the frame unit including a protective mesh layer 1 and a supporting structure 2.

The protective mesh layer 1 may be made of different materials according to the use environment, for example, the protective mesh layer may be made of a waterproof sealing material.

Preferably, the metal retaining net can effectively prevent earth from collapsing, the protective net layer 1 is formed by winding high-strength steel wires into net rings and sleeving the net rings mutually, and the net rings are formed by winding single steel wires with nominal tensile strength not less than 1800MPa for required turns (such as 3 turns, 5 turns, 7 turns and the like). The supporting structure 2 is arranged inside the protective grid layer 1 and is installed to be close to the protective grid layer 1.

The supporting structure 2 includes: a pair of support members 4, a plurality of reinforcing structures 5, a plurality of baffle assemblies 3.

Wherein, a pair of supporting parts 4 are positioned at the front and rear ends of the frame unit to provide a preliminary supporting structure for the frame unit; the reinforcing structure 5 is arranged on the supporting part 4 and provides further stable support for the frame unit; a plurality of baffle assemblies 3 are located between a pair of support members 4 to provide a shielding body function for the frame unit.

As shown in fig. 4, the pair of support members 4 includes two support assemblies 401 corresponding to each other in the front-rear direction.

The support assembly 401 comprises two arc-shaped support plates 4011, the two arc-shaped support plates 4011 are fixedly connected through a first bolt 402 and a first nut 403, and one end of the first bolt 402 penetrates through the two fixing plates 4012 and is in threaded connection with the first nut 403. Arc backup pad 4011's one end bottom fixedly connected with fixed plate 4012, two fixed plate 4012 relative one sides are hugged closely, are equipped with multiunit jack 4013 and two perforation 4014 on the arc backup pad 4011.

Multiunit jack 4013 comprises a plurality of jacks 4013, and multiunit jack 4013 is corresponding with an integrated arc backplate 301 respectively, and a plurality of inserted bars 302 correspond a jack 4013 respectively, and inserted bar 302 and jack 4013 sliding connection, and integrated arc backplate 301 both sides contact with an arc backup pad 4011 respectively, and inserted bar 302 inserts in jack 4013 completely.

A plurality of reinforcing structures 5 are arranged laterally between two corresponding front and rear support assemblies 401. The reinforcing structure 5 comprises a plurality of connecting rods 501, and the length of the plurality of connecting rods 501 is equal to that of the integrated arc-shaped protection plate 301.

As shown in fig. 5, in order to fixedly and sequentially connect the plurality of frame units at the arc support plate 4011, disks 502 are fixedly connected to both ends of the connection rod 501, respectively. The disk 502 is provided with a plurality of through holes 5021. The number of the through holes 5021 is preferably 3 in consideration of the connection performance and the stability as the connector itself. The through holes 5021 correspond to the second bolts 503 respectively, the connecting rods 501 are fixedly connected with the second nuts 504 through the second bolts 503, one ends of the second bolts 503 penetrate through one through hole 5021 in the two corresponding disks 502 and through holes 4014 in the arc-shaped supporting plates 4011 respectively, and then are in threaded connection with the second nuts 504, so that the two connecting rods 501 are fixed with the arc-shaped supporting plates 4011.

Two connecting rods 501 are connected end to end, one end of each connecting rod 501 is fixedly connected with a convex block 5011, the other end of each connecting rod 501 is provided with a groove 5012, the convex blocks 5011 correspond to the grooves 5012, the convex blocks 5011 are slidably connected with the grooves 5012, and the convex block 5011 on one adjacent connecting rod 501 is inserted into the groove 5012 on the other connecting rod 501.

Baffle subassembly 3 includes a plurality of integrated arc backplate 301 of laying along the tunnel wall, and integrated arc backplate 301 is hugged closely between two liang, and the radian of baffle subassembly 3 is the same with the radian in supporting component 4 and tunnel, and the equal fixedly connected with of integrated arc backplate 301 both sides is a plurality of inserted bars 302. Thus, the baffle plate assemblies 3 are sequentially spliced along the arcs of the two support assemblies 401 corresponding to the front and the rear. The length of the plurality of connecting rods 501 is equal to the length of the integrated arc-shaped protection plate 301. Therefore, the supporting structure 2 is formed by the pair of supporting members 4, the plurality of reinforcing structures 5 and the plurality of baffle assemblies 3 which are matched with each other.

The baffle assembly 3 not only can play the effect of retaining soil, but also can play the effect of connecting the supporting component, can also share pressure for the supporting component like this to improve supporting construction's support ability.

The protective mesh layer 1 may be integrally laid after the plurality of frame units of the supporting structure 2 are all laid.

During the installation, at first installation supporting component 4, hug closely two arc backup pads 4011 and protect the installation of grid layer 1 during installation supporting component 4 to make the fixed plate 4012 on two arc backup pads 4011 contact, successively pass two fixed plates 4012 with a bolt 402, install No. one nut 403 on No. one bolt 402 and screw up again afterwards, thereby fix two arc backup pads 4011, thereby make two arc backup pads 4011 support the tunnel.

Install according to integrated arc backplate 301's radian afterwards, the inserted bar 302 that will integrate on the arc backplate 301 during installation integrated arc backplate 301 is aimed at jack 4013 and is impeld, after a plurality of integrated arc backplate 301 are installed, the opposite side of aligning integrated arc backplate 301 with a supporting component 401 again is installed, thereby fix baffle subassembly 3 between two support component 4, at this moment baffle subassembly 3 not only can play and prevent that earth from dropping and pound staff's effect, can also share partial pressure for supporting component 4, thereby strengthen arc backup pad 4011's bearing capacity.

When the connecting rods 501 are installed, the through hole 5021 on the disk 502 of one connecting rod 501 is aligned with the through hole 4014 on the quasi-arc supporting plate 4011 on the outermost side, the end of the connecting rod 501 with the groove 5012 faces outwards, the end of the second bolt 503 passes through the through hole 4014 and the through hole 5021, the second nut 504 is mounted on the second bolt 503 and screwed, so that the end of the connecting rod 501 is fixed with the arc supporting plate 4011, the end of the other connecting rod 501 with the groove 5012 is aligned with the lug 5011 on the installed connecting rod 501, the lug 5011 is inserted into the groove 5012, the arc supporting plate 4011 is just between the disks 502 on the two connecting rods 501, the through holes 5021 on the two disks 502 are uniformly aligned with the through holes 4014, and then the ends of the two connecting rods 501 are fixed with the arc supporting plate 4011 through the second bolt 503 and the second nut 504, so that the supporting strength and rigidity of the supporting member 4 are enhanced by the connecting rods 501, and the supporting capability of the whole device is further enhanced.

And finally, laying a protective grid layer 1, wherein the depth of the protective grid layer 1 can be the same as that of the tunnel, and the protective grid layer can also be a little shorter than that of the tunnel but is always longer than that of the supporting structure 2. Thus, the protective mesh layer 1 may be laid in its entirety after the plurality of frame units of the supporting structure 2 are all laid. To further enhance the waterproof and soil-proof properties, the protective mesh layer 1 may be integrally formed.

Through the utility model discloses the structure description can be seen out, the utility model discloses a colliery tunnel construction's frame construction has fully considered the operation environment of colliery tunnel construction, and the very much easy to assemble of overall design and dismantlement, and the material part after the dismantlement is deposited the tunnel temporarily and also can not bring the potential safety hazard or inconvenience for normal mining operation.

Spatially relative terms such as "above … …", "above … …", "above", "within", "outside", "front", "back", etc. of … … may be used herein for ease of description to describe the spatial positional relationship of one device or feature to other devices or features as shown in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the above exemplary terms, such as "above … …" may include both orientations of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that all the embodiments and descriptions are provided in the present invention, and that various changes and modifications can be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A frame construction for coal mine tunnel construction, comprising one or more frame units connected in sequence, the frame unit comprising a protective screening layer (1) and an internal supporting structure (2) arranged in the protective screening layer (1), characterized in that,

the supporting structure (2) comprises a pair of supporting parts (4), a plurality of reinforcing structures (5) and a plurality of baffle plate assemblies (3);

the pair of supporting parts (4) are positioned at the front end and the rear end of the frame unit and provide a primary supporting structure for the frame unit;

the reinforcing structure (5) is arranged on the supporting part (4) and provides further stable support for the frame unit;

the plurality of baffle assemblies (3) are located between the pair of support members (4) to provide a shielding body function for the frame unit.

2. A coal mine tunnel construction frame structure according to claim 1, characterized in that said pair of support members (4) comprises two support assemblies (401) corresponding to each other in a front-rear direction, said support assemblies (401) comprising two arc-shaped support plates (4011).

3. A coal mine tunnel construction frame structure according to claim 1, characterized in that the baffle assembly (3) comprises a plurality of integrated arc-shaped protecting plates (301) laid along the tunnel wall, the integrated arc-shaped protecting plates (301) are tightly attached to each other, and the radian of the baffle assembly (3) is the same as the radian of the supporting part (4) and the tunnel.

4. The frame construction for coal mine tunnel construction according to claim 2, characterized in that the two arc-shaped supporting plates (4011) are fixedly connected with each other through a first bolt (402) and a first nut (403).

5. The frame construction for coal mine tunnel construction according to claim 4, characterized in that a fixing plate (4012) is fixedly connected to the bottom of one end of the arc-shaped supporting plate (4011), and a plurality of groups of jacks (4013) and two through holes (4014) are arranged on the arc-shaped supporting plate (4011).

6. The frame construction for coal mine tunnel construction according to claim 5, characterized in that the multiple groups of said jacks (4013) are all composed of multiple jacks (4013), and the multiple groups of jacks (4013) correspond to one integrated arc-shaped guard plate (301) respectively, the multiple insertion rods (302) correspond to one jack (4013) respectively, and the insertion rods (302) are connected with the jacks (4013) in a sliding manner.

7. The frame structure for coal mine tunnel construction according to claim 1, wherein the reinforcing structure (5) comprises a plurality of connecting rods (501), two disks (502) are fixedly connected to the outer surfaces of the connecting rods (501), a plurality of through holes (5021) are formed in the disks (502), and the connecting rods (501) are fixedly connected through a plurality of second bolts (503) and second nuts (504).

8. The frame structure for coal mine tunnel construction according to claim 7, characterized in that the connecting rods (501) are connected end to end, one end of each connecting rod (501) is fixedly connected with a lug (5011), the other end of each connecting rod (501) is provided with a groove (5012), the lugs (5011) correspond to the grooves (5012), and the lugs (5011) are slidably connected with the grooves (5012).