CN217129568U - Combine and adopt interior chain protection anchor rope device of working face tunnel - Google Patents

Abstract

The utility model provides a combine and adopt chain protection anchor rope device in working face tunnel, belongs to coal mine equipment technical field, can solve and combine to adopt the working face tunnel in the anchor rope to collapse disconnected protection problem, the one end of anchor rope is fixed in on the roof through tray and tool to lock respectively, protection anchor rope device is including stopping ring, spacing tool to lock and the chain of connecting gradually by a plurality of chain rings and forming, stops on the anchor rope is located to the ring cover that moves back, is located the below of tool to lock, and the chain ring cover of chain is located on the anchor rope, is located the below of stopping ring, and the chain is established ties the anchor rope in proper order in the tunnel direction, and the both ends of chain are fixed with the roof metal mesh through the iron wire, and the anchor rope is located to spacing tool to lock cover the lower extreme. Through using the utility model discloses effectively solved and combined the protection problem that the anchor rope bursts apart in the working face tunnel.

Description

Combine and adopt interior chain protection anchor rope device of working face tunnel

Technical Field

The utility model belongs to the technical field of coal mine equipment, concretely relates to combine and adopt chain protection anchor rope device in working face tunnel.

Background

The anchor cable, the anchor rod, the steel belt and the metal net combined support is an important support form for the current coal roadway rapid tunneling, effectively maintains the stability of the roadway top plate, in the process of mining and propelling of the fully mechanized mining face, the mine pressure in the supporting pressure area of the two-lane advancing section is strongly shown, the phenomenon that the anchor cable and the anchor rod are broken exists, particularly the integral length of the anchor cable and the anchor rod is long, the anchor rope is always broken at the position of the anchor rope lock to generate huge elastic force when bearing huge stress in the process of anchoring a rock stratum, the length of the exposed anchor rope is long, the protruding part is sharp, the anchor cable in the roadway of the fully mechanized mining face is mainly protected by binding an iron wire on a top net, but intensity is not enough to tie up disconnected anchor rope on the roof, for solving the protection problem that the anchor rope bursts apart in the working face tunnel of combining the adoption, provides a combine and adopts working face tunnel internal chain formula chain protection anchor rope device.

And a special anchor cable protection device is adopted, so that the installation is troublesome, the special manufacture is required, the cost is high, and the effective recycling and reutilization can not be realized.

Application number 2017219016763 discloses an anchor rope bursts apart protector, including fixed part and support part, the fixed part includes anchor rope snap ring, wire rope, rings, couple, blocks the piece, and the anchor rope snap ring cover is worn at the anchor rope lower extreme, and the left and right sides at the anchor rope snap ring is fixed respectively to two wire rope's one end, and the other end is connected on the couple through rings respectively, all installs on two wire rope and blocks the piece, the support part includes anchor rope clamp, support frame, and the buckle, the anchor rope clamp is fixed on the anchor rope, and the left and right sides at the anchor rope clamp is fixed respectively to the one end of two support frames, and the other end is fixed on two wire rope of controlling between block piece and the anchor rope snap ring through the buckle is mobilizable respectively. Although the device can be used for preventing the anchor cable from breaking due to overlarge bearing capacity and falling to hurt people, the structure is complex, one anchor cable can be protected by one device, and the installation and the disassembly are complex.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to combine and adopt the protection problem that the anchor rope collapses absolutely in the working face tunnel, provide one kind and combine and adopt the chain protection anchor rope device in the working face tunnel.

The utility model adopts the following technical scheme:

the utility model provides a combine and adopt chain protection anchor cable device in working face tunnel, the one end of anchor cable is fixed in on the roof through tray and tool to lock respectively, protection anchor cable device is including stopping ring, spacing tool to lock and the chain of connecting gradually by a plurality of chain rings and forming, stops on the anchor cable is located to the ring cover, is located the below of tool to lock, and on the anchor cable was located to the chain ring cover of chain, it was located the below of stopping the ring, and the chain is established ties the anchor cable in proper order along the tunnel direction, and it is fixed with the roof metal mesh that the iron wire is passed through at the both ends of chain, and the anchor cable is located to spacing tool to lock cover lowermost extreme.

Furthermore, the anti-return ring comprises an upper ring and a lower ring, wherein openings are respectively arranged on one sides of the upper ring and the lower ring, the openings are located in the same radial direction, and the inner diameters of the upper ring and the lower ring are the same and are matched with the outer diameter of the anchor cable.

Furthermore, the opening part of lower ring is equipped with the three-colour sticker.

Further, the outer diameter of the upper ring does not exceed the lock core range of the lock, and the outer diameter of the lower ring is larger than the maximum diameter of the chain ring.

Further, the inner diameter of the limiting lock is matched with the outer diameter of the anchor cable.

Furthermore, the centers of the anti-backing ring, the limiting lock, the chain ring and the anchor cable are located on the same straight line.

Further, the minimum diameter of the chain ring is larger than the diameter of the anchor cable, and the maximum diameter of the chain ring is smaller than the diameter of the lock and the diameter of the limiting lock.

Further, the length of the chain between the two adjacent anchor cables is greater than the linear distance between the two anchor cables.

The utility model has the advantages as follows:

1. the utility model discloses a stopping ring and spacing tool to lock with the restriction of annular chain link in stopping ring and spacing tool to lock anchor rope axial between upward, in case this anchor rope fracture, when the anchor rope falls, stopping ring is fitted with a contraceptive ring and will is acted on the tool to lock core for the tool to lock is still firm lock and is lived the anchor rope, and this anchor rope will be restricted by the chain link, and unable arrow is penetrated and is fallen and hinder the people.

2. The utility model discloses a through annular chain link connection between the anchor rope, in case a certain anchor rope fracture, fracture anchor rope both ends will be through annular chain link restriction chain removal, produce buffering and limiting displacement to this fracture anchor rope, and a plurality of anchor ropes fracture will also produce this effect.

3. The utility model discloses an annular chain both ends use the double-strand iron wire to link into the roof, play the protective effect.

4. The utility model discloses in case get into the range of cutting the crest line, can lift spacing tool to lock off, the chain link takes off, all takes off when the whole, can circulate to install once more outside leading.

5. The anchor rope fracture needs a process, often is that the anchor rope core pursues a fracture or tensile deformation, leads to the anchor rope tip to expand, and the anchor rope diameter becomes thick, can break off when reaching certain limit, the utility model discloses three-colour anchor rope fracture early warning sticker covers the lower ring opening part, and the anchor rope will expand when the anchor rope takes place to warp and only move back the ring, surpasss the certain degree and will tear the early warning sticker, plays the warning effect.

The chain-type protection anchor cable device in the roadway of the mining face effectively solves the problem of the protection of the anchor cable in the roadway of the fully mechanized mining face from breakage.

Drawings

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

FIG. 2 is a schematic front view of a stop-and-go ring;

FIG. 3 is a schematic top view of a check ring;

wherein: 1-anchor cable; 2-a tray; 3-a lockset; 4-a top plate; 5-anti-withdrawal ring; 6-limiting lockset; 7-a chain; 8-ring fitting; 9-lower ring; 10-opening; 11-three-color paster.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in the figure, the chain type chain protection anchor cable device in the roadway of the fully mechanized mining face adopts the lock and the ring chain to combine two common accessories and a special lock backstop ring, and has a beneficial protection effect between functions. The method comprises the following steps: a limit lock, an annular chain and a check ring. The anchor cable is anchored on the top plate through the lock and the tray, a support is formed on the top plate, the lock is sleeved in the anti-return ring at the exposed section of the anchor cable, the ring of the anti-return ring faces the top plate, the annular chain ring is sleeved below the anti-return ring, the limiting lock is inserted into the lower portion of the chain ring, the annular chain ring penetrating through the anchor cable is located between the anti-return ring and the limiting lock, the movement of the chain ring is limited in the axial direction of the anchor cable between the anti-return ring and the limiting lock, each anchor cable is sequentially connected in series along a roadway, and the two ends of the annular chain are connected into the metal mesh of the top plate through double strands of iron wires. Wherein the stopping ring divide into and go up a contraceptive ring, lower ring, and two rings are the split ring, and the opening part is located same radial direction, installs the stopping ring back on the anchor rope, pastes the early warning sticker of three-colour anchor rope fracture along the lower ring periphery, and the sticker covers the lower ring opening part.

The utility model discloses a stopping ring and spacing tool to lock with the restriction of annular chain link in stopping ring and spacing tool to lock anchor rope axial between upward, in case this anchor rope fracture, when the anchor rope falls, stopping ring is fitted with a contraceptive ring and will is acted on the tool to lock core for the tool to lock is still firm lock and is lived the anchor rope, and this anchor rope will be restricted by the chain link, and unable arrow is penetrated and is fallen and hinder the people.

The utility model discloses a through the connection of annular chain link between the anchor rope, in case certain anchor rope fracture, fracture anchor rope both ends the utility model discloses to remove through annular chain link restriction chain, produce buffering and limiting displacement to this fracture anchor rope, a plurality of anchor ropes fracture, also will produce this effect.

The anchor rope fracture needs a process, often is that the anchor rope core pursues a fracture or tensile deformation, leads to the anchor rope tip to expand, and the anchor rope diameter becomes thick, can break off when reaching certain limit, the utility model discloses three-colour anchor rope fracture early warning sticker covers the lower ring opening part, and the anchor rope will expand when the anchor rope takes place to warp and only move back the ring, surpasss the certain degree and will tear the early warning sticker, plays the warning effect.

The working principle of the utility model is as follows:

when in use, the retaining ring is firstly arranged at the anchor cable exposed section, the upper ring faces the top plate, the annular chain ring passes through the protected anchor cable exposed section under the retaining lock, the retaining lock is arranged under the retaining lock, the retaining lock is sequentially arranged along the roadway in such a way that the anchor cables are connected in series through the chains to form a chain interlocking protection effect, the advanced section of the working face rail roadway of the coal industry driller 1218 has strong ore pressure superposition with the mining pressure of the working face due to the residual supporting pressure of the adjacent goaf, so that the phenomenon of anchor cable collapse exists, the protection of the utility model realizes the effective protection of the anchor cable in the roadway of the fully mechanized mining face, the phenomenon of anchor cable shooting and falling is not generated, the broken anchor cable is limited on the top plate in situ, the broken anchor cable is taken out after the pressure relief, good safety benefit is obtained, and the anchor cable in the roadway of the fully mechanized mining face has low cost and no material processing process, is worthy of popularization.

Claims (8)

1. The utility model provides a combine and adopt chain protection anchor rope device in working face tunnel, the one end of anchor rope (1) is fixed in on roof (4) through tray (2) and tool to lock (3) respectively, its characterized in that: protection anchor rope device is including stopping ring (5), spacing tool to lock (6) and chain (7) of connecting gradually the constitution by a plurality of chain rings, stopping ring (5) cover is located on anchor rope (1), be located the below of tool to lock (3), the chain ring cover of chain (7) is located on anchor rope (1), be located the below of stopping ring (5), chain (7) are established ties anchor rope (1) in proper order in the same direction as the tunnel direction, the both ends of chain (7) are fixed with roof (4) metal mesh through the iron wire, the lower extreme of anchor rope (1) is located to spacing tool to lock (6) cover.

2. The fully mechanized mining face roadway internal chain type interlocking protection anchor cable device of claim 1, characterized in that: stop ring (5) including going up ring (8) and lower ring (9), one side of going up ring (8) and lower ring (9) is equipped with opening (10) respectively, and opening (10) are located same radial direction, and the internal diameter of going up ring (8) and lower ring (9) is the same, matches with anchor rope (1) external diameter.

3. The fully mechanized mining face roadway internal chain type interlocking protection anchor cable device of claim 2, characterized in that: the opening (10) of the lower ring (9) is provided with a three-color paster (11).

4. The fully mechanized mining face roadway internal chain type interlocking protection anchor cable device of claim 3, wherein: the outer diameter of the upper ring (8) does not exceed the lock core range of the lockset (3), and the outer diameter of the lower ring (9) is larger than the maximum diameter of the chain ring.

5. The fully mechanized mining face roadway internal chain type interlocking protection anchor cable device of claim 4, wherein: the inner diameter of the limiting lock (6) is matched with the outer diameter of the anchor cable (1).

6. The fully mechanized mining face roadway internal chain type interlocking protection anchor cable device of claim 5, wherein: the centers of the anti-backing ring (5), the limiting lock (6), the lock, the chain ring and the anchor cable (1) are positioned on the same straight line.

7. The fully mechanized mining face roadway internal chain type interlocking protection anchor cable device of claim 6, wherein: the minimum diameter of the chain ring is larger than the diameter of the anchor cable (1), and the maximum diameter of the chain ring is smaller than the diameters of the lock (3) and the limiting lock (6).

8. The fully mechanized mining face roadway internal chain type interlocking protection anchor cable device of claim 7, wherein: the length of the chain (7) between the two adjacent anchor cables (1) is larger than the linear distance between the two anchor cables (1).

Images