CN217462206U

CN217462206U - Coal mining comprehensive supporting structure without coal pillars

Info

Publication number: CN217462206U
Application number: CN202220349369.3U
Authority: CN
Inventors: 穆三奴; 范文利; 康继忠; 冯平生; 贾安立; 王亮生; 郑军; 张吉平; 白彦文
Original assignee: Shanxi Liulinzhai Yadi Coal Industry Co ltd
Current assignee: Shanxi Liulinzhai Yadi Coal Industry Co ltd
Priority date: 2022-02-21
Filing date: 2022-02-21
Publication date: 2022-09-20
Anticipated expiration: 2032-02-21

Abstract

The utility model discloses a coal mining comprehensive supporting structure without coal pillars, which comprises a top plate and a bottom plate, wherein the bottom axis of the top plate and the top axis of the bottom plate are both connected and provided with mounting sleeves, the mounting sleeves of the top plate are positioned right above the mounting sleeves of the bottom plate and are mutually connected and provided with connecting rods, both sides of the top plate and the bottom plate are respectively provided with expansion plates in a telescopic way, the outer movable sleeves of the mounting sleeves are provided with lifting sleeves, supporting rods are connected and provided between the lifting sleeves and the adjacent expansion plates, and the end parts of the supporting rods are fixed in a hinged way; roof and bottom plate are respectively with mounting sleeve collocation connecting rod adjustment interval height in order to be applicable to various tunnels, and the dismouting is convenient to be favorable to the transportation storage between roof and the bottom plate, and the lift cover extends the expansion of board with bracing piece adjustment along the mounting sleeve activity, and the extension board enlarges the area of contact of roof or bottom plate, is favorable to roof and bottom plate to the support protection in tunnel, and bracing piece, extension board, mounting sleeve form the triangular structure, and the support intensity of extension board to the tunnel is higher.

Description

Coal mining comprehensive supporting structure without coal pillars

Technical Field

The utility model relates to a supporting construction technical field especially relates to a coal mining integrated supporting construction of no coal pillar.

Background

The coal mining has the characteristics of narrow operation space, more mechanical equipment, poor visual environment and high temperature, safety accidents of the coal mining are frequent, the coal mining is a key area in safety management work, and a relatively optimal coal mining operation space is constructed in a supporting mode to play a role in protecting the safety of constructors;

at present, actual environments in coal mine roadways are different, and support is inconvenient to adjust the size, so that the adaptability is poor, and therefore a coal pillar-free coal mining comprehensive support structure is provided.

SUMMERY OF THE UTILITY MODEL

In order to overcome prior art's not enough, the utility model provides a comprehensive supporting construction is adopted in coal mining to no coal pillar, roof and bottom plate are respectively with installation cover collocation connecting rod adjustment interval height in order to be applicable to various tunnels, and the dismouting is convenient to be favorable to the transportation storage between roof and the bottom plate, the lift cover is along the expansion of installation cover activity with bracing piece adjustment expansion board, the area of contact of expansion board expansion roof or bottom plate, be favorable to the roof and the bottom plate to the support protection in tunnel, the bracing piece, the expansion board, the installation cover forms the triangular structure, the expansion board is higher to the support intensity in tunnel.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a coal mining comprehensive supporting structure of no coal pillar, includes roof and bottom plate, the bottom axle center of roof all is connected with the top axle center of bottom plate and is provided with the installation cover, the installation cover of roof is located directly over the installation cover of bottom plate and connects each other and be provided with the connecting rod, the roof all stretches out and draws back with the both sides of bottom plate and is provided with the expansion board, the outside movable sleeve of installation cover is equipped with the lift cover, it is provided with the bracing piece to connect between lift cover and the adjacent expansion board, the tip of bracing piece is articulated fixed.

Preferably, the top plate and the bottom plate are provided with guide grooves on both side end faces, the inner end of the expansion plate is connected with a slide bar, and the slide bar is movably arranged inside the guide grooves.

Preferably, the inside inner wall of lifting sleeve is provided with spacing pad, the outer end surface of spacing pad is concave circular arc profile, laminate each other between spacing pad and the installation cover.

Preferably, the inner wall of the lifting sleeve is provided with a containing groove, the limiting pad is contained in the containing groove, and a spring is connected between the middle point at the inner end of the limiting pad and the inner wall of the containing groove.

Preferably, the outer side surface of the lifting sleeve is provided with a pull rod, the end part of the pull rod penetrates through the lifting sleeve to be connected and fixed with the limiting pad, and the spring is sleeved outside the pull rod.

Preferably, a fixing pin is connected between the side wall of the mounting sleeve and the connecting rod, a reinforcing sleeve is connected to the outer wall of the tail end of the mounting sleeve, and the diameter of the reinforcing sleeve is larger than the inner diameter of the lifting sleeve.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

roof and bottom plate are respectively with installation cover collocation connecting rod adjustment interval height in order to be applicable to various tunnels, and the dismouting is convenient to be favorable to the transportation storage between roof and the bottom plate, the lift cover is along the expansion of installation cover activity with bracing piece adjustment expansion board, the expansion board enlarges the area of contact of roof or bottom plate, be favorable to roof and bottom plate to the support protection in tunnel, the bracing piece, the expansion board, the installation cover forms triangular structure, the expansion board is higher to the support intensity in tunnel.

Drawings

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

fig. 2 is a schematic view of an expansion board of the present invention;

FIG. 3 is a schematic view of the connecting rod of the present invention;

fig. 4 is a sectional view of the lifting sleeve of the present invention.

Wherein: 1. a top plate; 2. installing a sleeve; 3. a connecting rod; 4. a lifting sleeve; 5. a slide bar; 6. a base plate; 7. expanding the board; 8. a support bar; 9. a reinforcing sleeve; 10. a fixing pin; 11. a pull rod; 12. a guide groove; 13. a receiving groove; 14. a spring; 15. a limiting pad.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the invention easy to understand, the invention is further explained below with reference to the specific embodiments, but the following embodiments are only the preferred embodiments of the invention, not all. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Examples

Referring to fig. 1, the utility model provides a coal mining comprehensive supporting structure without coal pillar, which comprises a top plate 1 and a bottom plate 6, wherein the bottom axis of the top plate 1 and the top axis of the bottom plate 6 are respectively connected with a mounting sleeve 2, the mounting sleeve 2 of the top plate 1 is positioned right above the mounting sleeve 2 of the bottom plate 6 and is connected with a connecting rod 3, both sides of the top plate 1 and the bottom plate 6 are respectively provided with expanding plates 7 in a telescopic way, the outer part of the mounting sleeve 2 is movably sleeved with a lifting sleeve 4, a supporting rod 8 is connected between the lifting sleeve 4 and the adjacent expanding plate 7, the end part of the supporting rod 8 is fixed in a hinged way, the top plate 1 and the bottom plate 6 are respectively matched with the mounting sleeve 2 and the connecting rod 3 to adjust the spacing height so as to be suitable for various roadways, the top plate 1 and the bottom plate 6 are convenient to disassemble and convenient for transportation and storage by the mounting sleeve 2 and the connecting rod 3, the lifting sleeve 4 moves along the mounting sleeve 2 to adjust the expanding of the expanding plates 7 by the supporting rod 8, the expansion plate 7 expands the contact area of the top plate 1 or the bottom plate 6, so that the support protection of the top plate 1 and the bottom plate 6 to the roadway is facilitated, the support rod 8, the expansion plate 7 and the mounting sleeve 2 form a triangular structure, and the support strength of the expansion plate 7 to the roadway is higher.

As shown in fig. 2 and 3, the utility model discloses a guide way 12 has all been seted up with bottom plate 6's both sides terminal surface to roof 1, and the inner connection of expanding board 7 is provided with slide bar 5, and the activity of slide bar 5 sets up in the inside of guide way 12, is connected between the lateral wall of installation cover 2 and connecting rod 3 and is provided with fixed pin 10, and the terminal wall connection of installation cover 2 is provided with boss 9, and boss 9 diameter is greater than the internal diameter of lifting sleeve 4.

As shown in fig. 4, the utility model discloses an inside inner wall of lifting sleeve 4 is provided with spacing pad 15, the outer end surface of spacing pad 15 is interior concave type circular arc profile, laminate each other between spacing pad 15 and the installation cover 2, the inside inner wall of lifting sleeve 4 has been seted up and has been accomodate groove 13, spacing pad 15 is accomodate in the inside of accomodating groove 13, the inner midpoint of spacing pad 15 and the interior wall connection of accomodating groove 13 are provided with spring 14, the outside side of lifting sleeve 4 is provided with pull rod 11, pull rod 11's tip pierces through and is connected fixedly in lifting sleeve 4 and spacing pad 15, pull rod 11's outside is located to the spring 14 cover.

The utility model provides a pair of coal mining integrated supporting structure of no coal pillar, roof 1 and bottom plate 6 are respectively with the 3 adjustment interval heights of 2 collocation connecting rods of installation cover in order to be applicable to various tunnels, and roof 1 and bottom plate 6 are convenient with the dismouting between installation cover 2 and the connecting rod 3 to be favorable to the transportation storage, the expansion of expansion board 7 is extended with the bracing piece 8 adjustment along the 2 activities of installation cover to the lift cover 4, expansion board 7 enlarges the area of contact of roof 1 or bottom plate 6, be favorable to roof 1 and bottom plate 6 to the support protection in tunnel, bracing piece 8, expansion board 7, installation cover 2 forms the triangular structure, expansion board 7 is higher to the support intensity in tunnel.

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 no coal pillar coal mining integrated support structure, includes roof (1) and bottom plate (6), its characterized in that: the utility model discloses a roof, including roof (1), bottom axle center and bottom plate (6), the installation cover (2) of roof (1) is provided with installation cover (2) all to be connected with the top axle center of bottom plate (6), the installation cover (2) of roof (1) are located installation cover (2) of bottom plate (6) and are connected each other directly over and are provided with connecting rod (3), roof (1) all stretches out and draws back with the both sides of bottom plate (6) and is provided with expansion board (7), the outside movable sleeve of installation cover (2) is equipped with lift cover (4), it is provided with bracing piece (8) to connect between lift cover (4) and adjacent expansion board (7), the tip of bracing piece (8) is articulated fixed.

2. The coal mining comprehensive supporting structure without the coal pillar as claimed in claim 1, characterized in that: guide way (12) have all been seted up with the both sides terminal surface of bottom plate (6) in roof (1), the inner connection of expansion board (7) is provided with slide bar (5), slide bar (5) activity sets up in the inside of guide way (12).

3. The coal mining comprehensive supporting structure without the coal pillar as claimed in claim 1, characterized in that: the inside inner wall of lifting sleeve (4) is provided with spacing pad (15), the outer end surface of spacing pad (15) is concave circular arc profile, laminate each other between spacing pad (15) and installation cover (2).

4. The coal mining comprehensive supporting structure without the coal pillar as claimed in claim 3, characterized in that: the inside inner wall of lifting sleeve (4) has been seted up and has been accomodate groove (13), the inside in accomodating groove (13) is accomodate in spacing pad (15), the inner midpoint of spacing pad (15) is provided with spring (14) with the interior wall connection who accomodates groove (13).

5. The comprehensive support structure for coal mining without the coal pillar according to claim 4, characterized in that: the outside side of lift cover (4) is provided with pull rod (11), the tip of pull rod (11) pierces through in lift cover (4) and is connected fixedly with spacing pad (15), the outside of pull rod (11) is located in spring (14) cover.

6. The coal mining comprehensive supporting structure without the coal pillar as claimed in claim 1, characterized in that: the connecting device is characterized in that a fixing pin (10) is connected between the side wall of the mounting sleeve (2) and the connecting rod (3), a reinforcing sleeve (9) is connected to the outer wall of the tail end of the mounting sleeve (2), and the diameter of the reinforcing sleeve (9) is larger than the inner diameter of the lifting sleeve (4).