CN220687325U - Roof-breaking tip cone for roof-supporting type roof-breaking device - Google Patents
Roof-breaking tip cone for roof-supporting type roof-breaking device Download PDFInfo
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- CN220687325U CN220687325U CN202322375366.4U CN202322375366U CN220687325U CN 220687325 U CN220687325 U CN 220687325U CN 202322375366 U CN202322375366 U CN 202322375366U CN 220687325 U CN220687325 U CN 220687325U
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- roof
- breaking
- cone
- jack
- connecting seat
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- 238000000034 method Methods 0.000 claims description 7
- 229910000954 Medium-carbon steel Inorganic materials 0.000 claims description 4
- 238000010791 quenching Methods 0.000 claims description 3
- 230000000171 quenching effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 238000013461 design Methods 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000011161 development Methods 0.000 abstract description 2
- 239000003245 coal Substances 0.000 description 5
- 238000005457 optimization Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000005422 blasting Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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Abstract
The utility model relates to a roof-breaking tip cone for a roof-supporting type roof-breaking device, which comprises tip teeth, cones, a connecting seat, a supporting plate and supporting ribs, wherein the connecting seat is used for connecting the roof-breaking tip cone and a roof-breaking jack into a whole; the top teeth are of a straight toothed plate structure and comprise conical parts and cylindrical parts; the cone is of a triangular prism-like structure; the connecting seat is of a cylindrical structure, two groups of pin holes are formed in the side wall of the connecting seat, connecting pins are arranged in the pin holes, and the two groups of pin holes are mutually perpendicular in the horizontal direction; the connecting part of the piston rod of the jack-breaking jack is embedded into the connecting seat, and the jack-breaking tip cone is integrally and fixedly connected to the connecting part of the piston rod through the connecting pin. The utility model has the advantages of ingenious design, simple structure, easy operation, accurate fracturing of the top plate, timely collapse of the top plate, high-efficiency and safe production, reduced labor intensity, improved production efficiency, and good market prospect and development space for the prior art.
Description
Technical Field
The utility model relates to the technical field of hydraulic support auxiliary tools, in particular to a roof-breaking tip cone for a roof-breaking device.
Background
The roof of the coal seam is mainly divided into three major categories of a hard roof, a broken roof and a composite roof, when the roof of the coal seam is hard, the roof is not timely collapsed, and along with the growth of the suspended roof, serious potential safety hazards are generated to field equipment and workers when the roof collapses, so that the safe and efficient production of the coal mine is affected. In order to solve the problems of no collapse and difficult collapse of a hard top plate, the conventional methods are methods such as blasting or hydraulic pressure to crack in advance, but the methods cannot accurately estimate the crushing condition of the top plate, and the problems of excessive crushing or insufficient crushing of the top plate often occur, so that the problem of the collapse of the top plate cannot be completely solved.
How to design a design benefit, simple structure, easy to operate can accurately carry out the fracturing to the roof, makes the roof can in time collapse, guarantees high-efficient safe production, reduces artifical intensity of labour, improves the broken roof cone of propping formula broken roof device of production efficiency with broken roof cone be the problem that needs to solve at present.
Disclosure of Invention
In order to solve the technical problems that the existing underground hard roof of the coal mine is not collapsed and is difficult to collapse, the crushing condition of the roof cannot be accurately estimated by methods such as blasting or hydraulic pressure to crack in advance, excessive crushing or insufficient crushing of the roof occurs, the production efficiency is seriously influenced and the like, the utility model provides the roof-breaking tip cone for the roof-propping device, which is ingenious in design, simple in structure and easy to operate, and can accurately fracture the roof, so that the roof can collapse in time, high-efficiency and safe production is ensured, the labor intensity of workers is reduced, and the production efficiency is improved.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the propping type propping device comprises a propping tooth, a cone, a connecting seat, a supporting plate and supporting ribs, wherein the connecting seat is used for connecting the propping cone and a propping jack into a whole, the bottom of the propping tooth is vertically welded on the upper part of the supporting plate, and the top of the connecting seat is vertically welded on the lower part of the supporting plate; the top tooth is of a straight toothed plate structure and comprises a conical part and a cylindrical part, wherein the conical part is uniformly arranged at the top end of the cylindrical part and consists of a plurality of small conical heads; the cone is of a triangular prism-like structure, and the edges of the cone are obliquely arranged towards the top teeth; the connecting seat is of a cylindrical structure, the inner diameter of the cylinder is matched with the outer diameter of the connecting part of the piston rod of the breaking jack, two groups of pin holes are formed in the side wall of the connecting seat, connecting pins are arranged in the pin holes, and the two groups of pin holes are mutually perpendicular in the horizontal direction; the connecting part of the piston rod of the jack-breaking jack is embedded into the connecting seat, and the jack-breaking tip cone is integrally and fixedly connected to the connecting part of the piston rod through the connecting pin.
As the further optimization scheme of the propping and propping device for the propping and propping device, the number of the supporting ribs is four, the shape of the supporting ribs is similar to a right triangle, and two right-angle edges of the supporting ribs are respectively fixedly welded on the outer walls of the supporting plate and the connecting seat.
As a further optimization scheme of the propping and roof-breaking device, the angle of the conical part is 30-60 degrees, and the angles of two edges of the cone are 50-70 degrees.
As a further optimization scheme of the propping and propping device, the propping and propping cone is made of high-strength medium carbon steel, and the cone part adopts a high-frequency quenching process.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model comprises a top tooth, a cone, a connecting seat, a supporting plate and supporting ribs, wherein the connecting seat is used for connecting the top breaking cone and the top breaking jack into a whole, the bottom of the top tooth is vertically welded on the upper part of the supporting plate, and the top of the connecting seat is vertically welded on the lower part of the supporting plate.
Drawings
FIG. 1 is a schematic diagram of the front view of the present utility model;
FIG. 2 is a schematic view of the present utility model in longitudinal section;
FIG. 3 is a schematic view of the piston rod connection of the jack of the roof breaking device;
FIG. 4 is a schematic view of a top-broken cone in a bottom perspective;
FIG. 5 is a schematic cross-sectional view of the broken top cone after installation;
FIG. 6 is a schematic perspective view of a roof breaking device;
FIG. 7 is a schematic top view of the present utility model in use;
the marks in the figure: 1. top tooth, 101, conical portion, 102, cylindricality portion, 2, cone, 3, connecting seat, 4, backup pad, 5, brace rod, 6, pinhole, 7, connecting pin, 8, jack, 9, jack connecting portion.
Detailed Description
The following describes the embodiments of the present utility model in further detail with reference to the drawings.
As shown in fig. 1 and 2, fig. 1 is a schematic diagram of a front view structure of the present utility model; FIG. 2 is a schematic view of the present utility model in longitudinal section; the propping type propping tip cone for the propping device comprises a propping tooth 1, a cone 2, a connecting seat 3, a supporting plate 4 and supporting ribs 5, wherein the connecting seat 3 is used for connecting the propping tip cone and a propping jack into a whole, the bottom of the propping tooth 1 is vertically welded on the upper part of the supporting plate 4, and the top of the connecting seat 3 is vertically welded on the lower part of the supporting plate 4; the number of the supporting ribs 5 is four, the shape of the supporting ribs 5 is similar to a right triangle, and two right-angle sides of the supporting ribs 5 are respectively fixedly welded on the outer walls of the supporting plate 4 and the connecting seat 3. The top tooth 1 is of a straight toothed plate structure, the top tooth 1 comprises a conical part 101 and a cylindrical part 102, the conical part 101 is uniformly arranged at the top end of the cylindrical part 102, and the conical part 101 consists of a plurality of small conical heads; the cone 2 is of a triangular prism-like structure, and the edges of the cone 2 are obliquely arranged towards the top teeth 1; the connecting seat 3 is of a cylindrical structure, the inner diameter of the cylinder is matched with the outer diameter of the connecting part of the piston rod of the jack, two groups of pin holes 6 are formed in the side wall of the connecting seat 3, connecting pins 7 are arranged in the pin holes 6, and the two groups of pin holes 6 are mutually perpendicular in the horizontal direction.
As shown in fig. 3, 4 and 5, fig. 3 is a schematic view of the connection of the piston rod of the jack of the breaking device; FIG. 4 is a schematic view of a top-broken cone in a bottom perspective; FIG. 5 is a schematic cross-sectional view of the broken top cone after installation; the connecting part of the piston rod of the jack-breaking jack is embedded into the connecting seat 3, and the jack-breaking tip cone is integrally and fixedly connected to the connecting part of the piston rod through the connecting pin 7.
As a further optimization scheme of the propping and roof breaking device, the angle of the conical part 101 is 30-60 degrees, and the angles of two edges of the cone 2 are 50-70 degrees.
As a further optimization scheme of the propping and roof breaking device, the material of the roof tooth 1 is high-strength medium carbon steel, and the conical part 101 adopts a high-frequency quenching process.
As shown in fig. 6 and 7, fig. 6 is a schematic perspective view of the roof breaking device; fig. 7 is a schematic top view of the present utility model in use. In a specific design, the top tooth 1 is of a straight tooth-shaped structure, the upper part of the top tooth 1 is provided with a conical part 101, the top cutting effect is enhanced, the conical part 101 adopts high-strength medium carbon steel, the surface hardness is increased through high-frequency treatment, and the service life is prolonged; the lower part is a cylindrical part 102, so that the strength of the top teeth is increased; the cone 2 is of a triangular prism-like structure, and edges are arranged towards the top teeth. The connecting seat 3 is a connecting part of the broken jack cone and the broken jack, and specifically is a cylindrical structure provided with two groups of connecting holes 301 which are respectively perpendicular and parallel to the length direction of the jack teeth 1. The supporting plate 4 is a connecting structure of the top teeth 1, the cone 2 and the connecting seat 3, the top teeth 1 and the connecting seat 3 are directly fixed on the supporting plate 4, the top cutting force is transmitted to the supporting plate 4 through the top teeth 1, the supporting plate 4 is contacted with the connecting part of the top breaking jack, and then the top cutting force is transmitted to the bottom plate through the top breaking jack; the support rib 5 is a reinforcing member of the broken tip cone, and protects the support plate 4 from deformation after receiving a load.
In actual operation, as shown in fig. 3, 4 and 5, the connection seat 3 of the broken top cone is sleeved on the connection part of the broken top jack and is connected and fixed through the connection pin 7. The whole set of roof breaking device is fixed on the bracket base and moves forward along with the forward movement of the bracket. The jack breaking jack can swing in the swinging direction according to the drawing through the angle adjusting oil cylinder a and swing in the swinging direction according to the drawing through the angle adjusting oil cylinder b. After the jack-breaking jack is adjusted in place, the piston rod of the jack-breaking jack can be controlled to extend out, so that the jack-breaking tip cone gradually approaches the top plate.
When the piston rod of the breaking jack continuously stretches out, the conical part 101 on the top tooth 1 contacts the top plate first, so that a good breaking effect is achieved, the cone 2 contacts the top plate, and the edge surface on the cone 2 can expand the breaking gap, so that the top plate collapses more timely and thoroughly, and the whole set of breaking device is ensured to obtain a relatively ideal breaking effect. As shown in fig. 6, when the length direction of the top tooth 1 is perpendicular to the moving direction, the breaking effect is better.
The utility model has the advantages of ingenious design, simple structure, easy operation, accurate fracturing of the top plate, timely collapse of the top plate, high-efficiency and safe production, reduction of labor intensity, improvement of production efficiency, and solving of the technical problems that the existing underground hard top plate of the coal mine is not collapsed and is difficult to collapse, the top plate crushing condition cannot be accurately estimated by the methods of early blasting or hydraulic fracturing and the like, excessive top plate crushing or insufficient top plate crushing occurs, serious production efficiency influence is caused and the like, and has good market prospect and development space for the prior art.
While the preferred embodiments and examples of the present utility model have been described in detail with reference to the accompanying drawings, the present utility model is not limited to the above-described embodiments and examples, and various changes may be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.
Claims (4)
1. The propping type roof breaking device is with broken roof cone, its characterized in that: the anti-collision device comprises a top tooth (1), a cone (2), a connecting seat (3), a supporting plate (4) and supporting ribs (5), wherein the connecting seat (3) is used for connecting a top-breaking cone and a top-breaking jack into a whole, the bottom of the top tooth (1) is vertically welded on the upper part of the supporting plate (4), and the top of the connecting seat (3) is vertically welded on the lower part of the supporting plate (4); the top tooth (1) is of a straight toothed plate structure, the top tooth (1) comprises a conical part (101) and a cylindrical part (102), the conical part (101) is uniformly arranged at the top end of the cylindrical part (102), and the conical part (101) consists of a plurality of small conical heads; the cone (2) is of a triangular prism-like structure, and the edges of the cone (2) are obliquely arranged towards the top teeth (1); the connecting seat (3) is of a cylindrical structure, the inner diameter of the cylinder is matched with the outer diameter of the connecting part of the piston rod of the jack, two groups of pin holes (6) are formed in the side wall of the connecting seat (3), connecting pins (7) are arranged in the pin holes (6), and the two groups of pin holes (6) are mutually perpendicular in the horizontal direction; the connecting part of the piston rod of the jack-breaking jack is embedded into the connecting seat (3), and the jack-breaking tip cone is integrally and fixedly connected to the connecting part of the piston rod through the connecting pin (7).
2. The roof-opening tip cone for a roof-opening device according to claim 1, wherein: the number of the supporting ribs (5) is four, the shape of the supporting ribs (5) is similar to a right triangle, and two right-angle edges of the supporting ribs (5) are respectively fixedly welded on the outer walls of the supporting plate (4) and the connecting seat (3).
3. The roof-opening tip cone for a roof-opening device according to claim 1, wherein: the angle of the conical part (101) is 30-60 degrees, and the angle of the two edges of the cone (2) is 50-70 degrees.
4. The roof-opening tip cone for a roof-opening device according to claim 1, wherein: the top tooth (1) is made of high-strength medium carbon steel, and the conical part (101) adopts a high-frequency quenching process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322375366.4U CN220687325U (en) | 2023-09-01 | 2023-09-01 | Roof-breaking tip cone for roof-supporting type roof-breaking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322375366.4U CN220687325U (en) | 2023-09-01 | 2023-09-01 | Roof-breaking tip cone for roof-supporting type roof-breaking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220687325U true CN220687325U (en) | 2024-03-29 |
Family
ID=90374236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322375366.4U Active CN220687325U (en) | 2023-09-01 | 2023-09-01 | Roof-breaking tip cone for roof-supporting type roof-breaking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220687325U (en) |
-
2023
- 2023-09-01 CN CN202322375366.4U patent/CN220687325U/en active Active
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