CN213114674U

CN213114674U - Side slope protective structure for abandoned mine

Info

Publication number: CN213114674U
Application number: CN202021563122.9U
Authority: CN
Inventors: 纪芳华; 朱世维; 陈凯琦
Original assignee: Cccc Hemei Environment Ecological Construction Co ltd
Current assignee: Cccc Hemei Environment Ecological Construction Co ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-05-04
Anticipated expiration: 2030-07-31

Abstract

The utility model discloses a side slope protection structure for abandoned mine, which comprises a mine side slope and a supporting steel column, wherein the supporting steel column is arranged on an inclined slope surface close to the lower end of the mine side slope, a pressure relief pile block is arranged on the mine side slope surface at the rear side of the supporting steel column, a pressure relief device is arranged on a steel wire rope for tensioning the supporting steel column, when the supporting steel column and a steel wire net are impacted when the stones roll off, a buffer spring in the pressure relief device expands outwards due to the interaction force of two sections of steel wire ropes, so that the supporting steel column and the steel wire net have certain elastic potential energy after deformation, mechanical energy can be converted into internal energy, the damage of the impact force to the supporting steel column and the steel wire net is reduced, the stones can be firmly hooped by the steel wire net on the supporting steel column, the novel side slope protection structure releases the impact force when the stones fall through the pressure relief device, thereby reducing the, the pressure resistance and the structural strength of the structure are improved.

Description

Side slope protective structure for abandoned mine

Technical Field

The utility model belongs to the technical field of the side slope protection is relevant, concretely relates to side slope protective structure that abandonment mine was used.

Background

The active protection system for slope protection is to cover and wrap various flexible nets mainly comprising steel wire rope nets on a slope or rocks to be protected so as to limit weathering spalling or damage of slope rock soil and dangerous rock collapse (reinforcement function), or to control falling rocks to move within a certain range (enclosure function).

The existing side slope protection structure technology for abandoned mines has the following problems: side slope protective structure that traditional abandonment mine was used mainly by supporting the steel column, the wire net, draw wire rope, fixed riveting isotructure is constituteed, mostly do not have elastic buffer capacity, when great stone landing, the stone that has great impact force pierces through the wire net easily or collides the support steel column, cause serious damage to support steel column and wire net, and some are structural to have buffer system, but the spring in the impact force effect messenger buffer system of stone exceeds elasticity limit strength, very easily cause the damage to the spring, add the maintenance cost.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a side slope protective structure that abandonment mine was used to solve the side slope protective structure that traditional abandonment mine that proposes in the above-mentioned background art was used and cause serious damage, some have the spring that buffer system side slope protective structure made among the buffer system when using that stone impact force effect exceeded elasticity limit strength problem to support steel column and wire net when mostly not having elasticity buffer capacity stone landing.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a side slope protective structure that abandonment mine was used, includes mine side slope and support steel column, the support steel column is installed on the slope surface that the mine side slope is close to the lower extreme, be provided with the release heap piece on the slope surface of mine side slope of support steel column rear side, be connected with the release push rod on the rear side outer wall of being close to the lower extreme of support steel column, be connected with one section wire rope on the front side outer wall of support steel column upper end, one section wire rope's the other end is connected with slowly the depressor, the other end that slowly presses is connected with two-stage steel wire rope, one section wire rope all is connected with spacing set of a tractor, two be provided with buffer spring between the spacing set of a tractor, through spring hook pole fixed connection between buffer spring's both ends and the spacing set of a tractor, the one end that two-stage steel rope kept away from slowly the depressor is connected with And then, a rivet concrete pouring layer is arranged on the mine side slope outside the embedded rivet, a fixed base is arranged on the mine side slope at the lower end of the support steel column, the support steel column is fixedly connected with the fixed base through a pin shaft rod, embedded screws penetrate through the front end and the rear end of the fixed base, the embedded screws are fixedly connected with the fixed base through fastening nuts, and a screw concrete pouring layer is arranged on the mine side slope outside the embedded screws.

Preferably, the outer walls of the left side and the right side of the supporting steel column are provided with steel wire meshes, and the steel wire meshes are fixedly connected with the supporting steel column through net fixing shackles.

Preferably, one end of the first steel wire rope, which is close to the other end of the second steel wire rope, extends into the pressure reducer and is respectively connected with the two symmetrical limiting pull discs.

Preferably, the two ends of the buffer spring are fixedly wound on spring hook rods on the opposite inner walls of the two limiting pull discs, and the two spring hook rods are of U-shaped structures.

Preferably, the upper end of the fixed base is provided with a U-shaped steering groove, and the upper end of the fixed base is clamped on the left side and the right side of the supporting steel column.

Preferably, the pressure relief push rod and the support steel column are kept perpendicular to each other.

Preferably, the distance from the pin shaft rod to the pressure relief push rod is the same as that from the pin shaft rod to the pressure relief pile block, and the vertical section of the pressure relief pile block is of a trapezoidal structure.

Compared with the side slope protective structure technique that current abandonment mine used, the utility model provides a side slope protective structure that abandonment mine was used possesses following beneficial effect:

1. the utility model discloses a set up the depressor on the wire rope that is used for taut support steel column, and the inside of depressor has set up buffer spring, when support steel column and wire net receive the impact force when the stone rolls off, because the interaction force of one section wire rope and two-section wire rope, make the buffer spring in the depressor expand outwards, thereby have certain elastic potential energy after producing deformation, can turn into internal energy with mechanical energy, reduce the damage of impact force to support steel column and wire net, make the stone firmly cramp by the wire net on the support steel column, novel side slope protective structure cushions the release through the impact force when the depressor drops the stone, thereby reduce the pressure-bearing burden to support steel column and wire net, improve structural strength and compressive capacity;

2. the utility model arranges the pressure relief push rod on the outer wall of the rear side of the supporting steel column, and the fixed base is connected with the lower end of the supporting steel column through the pin shaft rod, so that the supporting steel column can relatively rotate around the pin shaft rod while being fastened on the fixed base, thereby leading the supporting steel column to rotate along with the pressure direction under the impact pressure of the stone blocks, avoiding the rigid collision between the supporting steel column and the stone blocks, when the supporting steel column is pushed downwards when the stone falls down, the supporting steel column is impacted to rotate backwards, at the moment, the pressure relief push rod on the outer wall of the supporting steel column can just abut against the trapezoidal inclined surface of the pressure relief pile block, thereby effectively preventing the buffer spring in the pressure buffer from reaching the ultimate elastic strength due to overlarge impact force, the buffer spring is effectively protected, the service life of the buffer spring is prolonged, and the maintenance cost is reduced.

Drawings

The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention,

in the drawings:

fig. 1 is a schematic structural view of a side slope protection structure for an abandoned mine according to the present invention;

fig. 2 is a schematic structural view of a pre-buried rivet provided by the present invention;

fig. 3 is a schematic structural view of the pressure damper of the present invention;

fig. 4 is a schematic structural view of the fixing base provided by the present invention;

in the figure: 1. mine side slopes; 2. pressure relief stacking; 3. a pressure relief push rod; 4. supporting a steel column; 5. steel wire mesh; 6. fixing a net shackle; 7. fixing the hook; 8. a section of wire rope; 9. a pressure buffer device; 10. a second section of steel wire rope; 11. embedding a rivet; 12. a concrete pouring layer of the rivet; 13. a buffer spring; 14. a spring hook lever; 15. limiting a pull disc; 16. pre-burying a screw; 17. a screw concrete pouring layer; 18. fastening a nut; 19. a pin shaft lever; 20. and fixing the base.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a side slope protection structure for abandoned mines comprises a mine side slope 1 and a supporting steel column 4, wherein the supporting steel column 4 is installed on an inclined slope surface of the mine side slope 1 close to the lower end, a pressure relief stacking block 2 is arranged on the slope surface of the mine side slope 1 at the rear side of the supporting steel column 4, a pressure relief push rod 3 is connected to the outer wall of the rear side of the supporting steel column 4 close to the lower end, the pressure relief push rod 3 and the supporting steel column 4 are kept in a mutually vertical state, the impact pressure of stones is transmitted to the pressure relief stacking block 2 on the mine side slope 1 at the rear side through the pressure relief push rod 3 on the outer wall of the supporting steel column 4, a certain supporting effect is achieved, a section of steel wire rope 8 is connected to the outer wall of the front side at the upper end of the supporting steel column 4, the other end of the section of the steel wire rope, one end of one section of steel wire rope 8 close to one end of the second section of steel wire rope 10 extends into the pressure release device 9 and is respectively connected with two symmetrical limiting pull discs 15, the limiting pull discs 15 are fixedly embedded in the pressure release device 9, so that the one section of steel wire rope 8 and the second section of steel wire rope 10 can be mutually connected with the pressure release device 9, the impact force generated when a stone falls off is buffered and released through the pressure release device 9, the bearing load on the supporting steel column 4 and the steel wire mesh 5 is reduced, the structural pressure resistance and the structural strength are improved, a buffer spring 13 is arranged between the two limiting pull discs 15, two ends of the buffer spring 13 are fixedly connected with the limiting pull discs 15 through spring hook rods 14, two ends of the buffer spring 13 are fixedly wound on spring hook rods 14 on opposite inner walls of the two limiting pull discs 15, the two spring hook rods 14 are in a U-shaped structure, so that two ends of the buffer spring, when supporting steel column 4 and wire net 5 and receiving the impact force, the interact power of one section wire rope 8 and two-section wire rope 10 makes buffer spring 13 in the pressure release 9 outwards expand to have certain elastic potential energy after because of producing deformation, thereby turn into internal energy with mechanical energy, reduce the impact force to the harm that supports steel column 4 and wire net 5, make the stone firmly cramp by wire net 5 on the support steel column 4.

A side slope protection structure for abandoned mines comprises a pre-embedded rivet 11 connected to one end of a second section of steel wire rope 10 far away from a pressure buffering device 9, a first section of steel wire rope 8 and a second section of steel wire rope 10 are respectively fixedly connected with a support steel column 4 and the pre-embedded rivet 11 through a fixing hook 7, a rivet concrete pouring layer 12 is arranged on a mine side slope 1 outside the pre-embedded rivet 11, a fixing base 20 is arranged on the mine side slope 1 at the lower end of the support steel column 4, a U-shaped steering groove is arranged at the upper end of the fixing base 20, the upper end of the fixing base 20 is clamped at the left side and the right side of the support steel column 4, the fixing base 20 is connected with the lower end of the support steel column 4 through a pin shaft rod 19, the support steel column 4 can rotate around the pin shaft rod 19 relatively while being fastened on the fixing base 20, and the support steel column 4 can rotate along with the pressure direction, support through pin shaft pole 19 fixed connection between steel column 4 and the unable adjustment base 20, pin shaft pole 19 is the same to the distance between release push rod 3 and the release heap 2, the vertical cross-section of release heap 2 is trapezium structure, when will supporting steel column 4 when rolling down when the stone bulldozes downwards, support steel column 4 and receive the impact force and rotate backward, and support the release push rod 3 on the outer wall of steel column 4 this moment and just can contradict on the trapezoidal inclined plane of release heap 2, thereby effectively prevent buffer spring 13 among the depressor 9 and reach ultimate elastic strength because of the impact force is too big, play effectual guard action to buffer spring 13.

The utility model provides a side slope protective structure that abandonment mine was used, both ends are inside to run through including unable adjustment base 20 have pre-buried screw 16 around, through fastening nut 18 fixed connection between pre-buried screw 16 and the unable adjustment base 20, be provided with screw rod concrete placement layer 17 on the outside mine side slope 1 of pre-buried screw 16, be provided with wire net 5 on the left and right sides outer wall of support steel column 4, wire net 5 and support steel column 4 between through solid net shackle 6 fixed connection, as supporting component through supporting steel column 4, by the wire net 5 of both sides as main protective structure, both mutually support, be responsible for the protection task to the side slope.

The utility model discloses a theory of operation and use flow: after the utility model is installed, the novel side slope protection structure for abandoned mine mainly comprises a pressure relief pile block 2, a pressure relief push rod 3, a support steel column 4, a steel wire mesh 5, a section of steel wire rope 8, a pressure release device 9, a section of steel wire rope 10, a pre-embedded rivet 11, a pre-embedded screw 16, a fixed base 20 and other structures, wherein the pre-embedded rivet 11 and the pre-embedded screw 16 are respectively embedded on the side slope mine 1 through a rivet concrete pouring layer 12 and a screw concrete pouring layer 17, the fixed base 20 and the pre-embedded screw 16 are fixedly connected through a fastening nut 18, the support steel column 4 is movably connected with the fixed base 20 through a pin shaft rod 19, when the support steel column 4 is pushed and pressed downwards when a stone falls down, the support steel column 4 is impacted and rotates backwards, and the pressure relief push rod 3 on the outer wall of the support steel column 4 just can be abutted against the trapezoidal inclined plane of the pressure, alleviate the buffer pressure in the depressor 9, the interact power of one section wire rope 8 and two-section wire rope 10 simultaneously, make buffer spring 13 in the depressor 9 outwards expand, thereby have certain elastic potential energy after because of producing deformation, turn into internal energy with mechanical energy, reduce the impact force to the harm of supporting steel column 4 and wire net 5, make the stone firmly cramp by wire net 5 on the supporting steel column 4, avoid rolling down from mine side slope 1, thereby take place to influence the road and pass and harm the condition such as vehicle pedestrian.

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 side slope protective structure that abandonment mine was used, includes mine side slope (1) and support steel column (4), its characterized in that: the supporting steel column (4) is arranged on an inclined slope surface close to the lower end of a mine slope (1), a pressure relief stacking block (2) is arranged on the slope surface of the mine slope (1) on the rear side of the supporting steel column (4), a pressure relief push rod (3) is connected to the outer wall of the rear side close to the lower end of the supporting steel column (4), a section of steel wire rope (8) is connected to the outer wall of the front side of the upper end of the supporting steel column (4), the other end of the section of steel wire rope (8) is connected with a pressure relief device (9), the other end of the pressure relief device (9) is connected with a section of steel wire rope (10), limiting pull discs (15) are connected to one ends of the section of steel wire rope (8) close to the section of steel wire rope (10), a buffer spring (13) is arranged between the two limiting pull discs (15), and two ends of the, one end of the two-section steel wire rope (10) far away from the pressure buffering device (9) is connected with an embedded rivet (11), the first section of steel wire rope (8) and the second section of steel wire rope (10) are respectively and fixedly connected with the supporting steel column (4) and the embedded rivet (11) through a fixed hook (7), a concrete pouring layer (12) of the embedded rivet is arranged on the mine side slope (1) outside the embedded rivet (11), a fixed base (20) is arranged on the mine side slope (1) at the lower end of the supporting steel column (4), the supporting steel column (4) is fixedly connected with the fixed base (20) through a pin shaft rod (19), the inner parts of the front end and the rear end of the fixed base (20) are penetrated with embedded screws (16), the embedded screw (16) is fixedly connected with the fixed base (20) through a fastening screw cap (18), and a screw concrete pouring layer (17) is arranged on the mine side slope (1) outside the embedded screw (16).

2. The side slope protective structure for waste mines according to claim 1, wherein: and the steel wire meshes (5) are arranged on the outer walls of the left side and the right side of the supporting steel column (4), and the steel wire meshes (5) are fixedly connected with the supporting steel column (4) through net fixing shackles (6).

3. The side slope protective structure for waste mines according to claim 1, wherein: one end of the first section of steel wire rope (8) close to one end of the second section of steel wire rope (10) extends into the pressure reducer (9) and is respectively connected with two symmetrical limiting pull discs (15).

4. The side slope protective structure for waste mines according to claim 1, wherein: two ends of the buffer spring (13) are fixedly wound on spring hook rods (14) on the opposite inner walls of the two limiting pull discs (15), and the two spring hook rods (14) are of U-shaped structures.

5. The side slope protective structure for waste mines according to claim 1, wherein: the upper end of the fixed base (20) is provided with a U-shaped steering groove, and the upper end of the fixed base (20) is clamped on the left side and the right side of the supporting steel column (4).

6. The side slope protective structure for waste mines according to claim 1, wherein: the pressure relief push rod (3) and the support steel column (4) are kept in a mutually vertical state.

7. The side slope protective structure for waste mines according to claim 1, wherein: the distance from the pin shaft rod (19) to the pressure relief push rod (3) is the same as that between the pressure relief pile block (2), and the vertical section of the pressure relief pile block (2) is of a trapezoidal structure.