CN212927895U

CN212927895U - Anti-falling chain of mining hydraulic single prop convenient to pick up and hang

Info

Publication number: CN212927895U
Application number: CN202021636080.7U
Authority: CN
Inventors: 张云海; 刘平; 袁东至; 陈淑云; 于凤启; 刘伟雄
Original assignee: Guodian Construction Investment Inner Mongolia Energy Co ltd
Current assignee: Guodian Construction Investment Inner Mongolia Energy Co ltd
Priority date: 2020-08-06
Filing date: 2020-08-06
Publication date: 2021-04-09
Anticipated expiration: 2030-08-06

Abstract

The utility model discloses an anti-falling chain of a mining hydraulic single prop, which is convenient to pick and place, and comprises a retainer ring, a chain, a locking hook and a hanging device; an opening is formed in the side face of the clamping ring, and connecting plates extending towards the outer side of the clamping ring are fixed to two sides of the opening of the clamping ring respectively; through holes are correspondingly formed in the two connecting plates, and fastening bolts are inserted into the through holes; one end of the chain is sleeved on the fastening bolt between the two connecting plates; the other end of the chain is fixed with a locking hook; the right-angle hook of the hanging device is movably inserted in the connecting ring of the locking hook. The utility model has the advantages that the structure is simple, the realization is easy, and the single hydraulic prop can be effectively prevented from hurting the staff due to the pressure relief falling; the hook is picked and hung without climbing a hydraulic single prop, so that the potential safety hazard that workers climb the hydraulic single prop to fall is avoided; meanwhile, the hydraulic single prop is convenient and simple to detach and hang, and high in speed, and the efficiency of moving or replacing the hydraulic single prop is improved; the stability is better.

Description

Anti-falling chain of mining hydraulic single prop convenient to pick up and hang

The technical field is as follows:

the utility model relates to a prevent chain block, in particular to mining hydraulic pressure monoblock post prevents chain block convenient to pluck and hang.

Background art:

the coal mining is to mine the coal rock in the mountain, after the coal rock is mined, a certain space can be formed, so that the phenomena of sinking and breaking of a top plate above the space, bulging of a bottom plate below the space, protrusion of two sides and the like can occur, and particularly the trend of downward movement of the top plate is large, so that hydraulic single pillars are required to be adopted for supporting aiming at the conditions, the top plate is ensured to be intact, and the damage to a working face is reduced; at present, the hydraulic single prop is not provided with an anti-toppling device when a top plate is maintained, and in order to ensure safety and prevent the hydraulic single prop from toppling, double sets of anti-toppling ropes are used on each hydraulic single prop; however, the following problems exist in the above manner: 1. at least two workers are needed to hang the anti-falling rope, when the anti-falling rope of the hydraulic single prop is hung, the hydraulic single prop must climb to a position 4 meters high by means of a ladder, the anti-falling rope is tied at the upper end of each hydraulic single prop, the potential safety hazard of falling exists, and time and labor are wasted; 2. when the hydraulic single prop is moved or replaced, the anti-falling rope needs to be removed, the removal of the anti-falling rope is complicated, the speed of detaching and hanging the anti-falling rope is slow, and the efficiency of moving or replacing the hydraulic single prop is low; 3. and the anti-falling rope is easy to age or wear and knot when used underground, and the stability is poor.

The utility model has the following contents:

an object of the utility model is to provide a simple structure, it is convenient to pluck and hang, and the better mining hydraulic pressure monoblock pillar's of being convenient for of stability anti-falling chain of plucking and hanging.

The utility model discloses by following technical scheme implement: a mining hydraulic single prop anti-falling chain convenient to detach and hang comprises a clamping ring, a chain, a locking hook and a hanging device; an opening is formed in the side face of the clamping ring, and connecting plates extending towards the outer side of the clamping ring are fixed to two sides of the opening of the clamping ring respectively; through holes are correspondingly formed in the two connecting plates, and fastening bolts are inserted into the through holes; one end of the chain is sleeved on the fastening bolt between the two connecting plates; the other end of the chain is fixed with the locking hook; the right-angle hook of the hanging device is movably inserted into the connecting ring of the locking hook.

Further, the locking hook comprises a hook body, a lock rod and the connecting ring; the hook body is provided with the lock rod; one end of the hook body is rotatably connected with one end of the lock rod through a hinge shaft; the other end of the lock rod is lapped on the inner side of the other end of the hook body; a torsional spring is arranged at the hinged position of the lock rod and the hook body; the torsion spring is sleeved on the hinge shaft, and two ends of the torsion spring are respectively abutted with the hook body and the lock rod; the outer side wall of the lock rod is fixedly provided with the connecting ring.

Further, the hanging device comprises the right-angle hook and a telescopic rod; the right-angle hook is fixed at the telescopic end of the telescopic rod.

Furthermore, the telescopic rod is an automatic telescopic rod.

The utility model has the advantages that:

1. the utility model has simple structure and easy realization, the upper part of the hydraulic single prop is clamped by the clamping ring, the clamping ring is locked by the fastening bolt, the locking hook is hung on the top plate anchor net, and the locking hook and the clamping ring are connected by the chain and the fastening bolt; the single hydraulic prop is effectively prevented from falling down to hurt workers due to pressure relief;

2. the right-angle hook of the hanging device is inserted into the connecting ring by one worker, the telescopic rod is held by the hand and is extended, so that the straight section of the right-angle hook pushes the locking hook to be arranged on the anchor net on the top plate, time and labor are saved, the locking hook does not need to climb the hydraulic single prop when being picked and hung, and the potential safety hazard that the worker climbs the hydraulic single prop to fall is avoided; meanwhile, the hydraulic single prop is convenient and simple to detach and hang, and high in speed, and the efficiency of moving or replacing the hydraulic single prop is improved;

3. the chain has the advantages of no aging, no wear and knotting problems and good stability.

Description of the drawings:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic cross-sectional view of a portion a-a in fig. 1.

Fig. 3 is a partially enlarged schematic view of a portion B in fig. 1.

Fig. 4 is a partially enlarged schematic view of a portion C in fig. 2.

Rand 1, chain 2, shutting hook 3, coupler body 3.1, locking lever 3.2, go-between 3.3, articulated shaft 3.4, torsional spring 3.5, hang and get device 4, right angle crotch 4.1, telescopic link 4.2, connecting plate 5, through-hole 5.1, fastening bolt 6.

The specific implementation mode is as follows:

as shown in fig. 1-4, the anti-fall chain of the mining hydraulic single prop convenient to pick up and hang comprises a clamping ring 1, a chain 2, a locking hook 3 and a hanging device 4; an opening is formed in the side face of the clamping ring 1, and connecting plates 5 extending towards the outer side of the clamping ring 1 are fixed to two sides of the opening of the clamping ring 1 respectively; through holes 5.1 are correspondingly formed in the two connecting plates 5, and fastening bolts 6 are inserted into the through holes 5.1; one end of the chain 2 is sleeved on a fastening bolt 6 between the two connecting plates 5; the other end of the chain 2 is fixed with the locking hook 3, the chain 2 has no aging and wear knotting problems, and the stability is good; the right-angle hook 4.1 of the hanging device 4 is movably inserted in the connecting ring 3.3 of the locking hook 3.

The locking hook 3 comprises a hook body 3.1, a locking rod 3.2 and a connecting ring 3.3; a lock rod 3.2 is arranged on the hook body 3.1; one end of the hook body 3.1 is rotatably connected with one end of the lock rod 3.2 through a hinge shaft 3.4; the other end of the lock rod 3.2 is lapped on the inner side of the other end of the hook body 3.1; a torsional spring 3.5 is arranged at the hinged position of the lock rod 3.2 and the hook body 3.1; a torsion spring 3.5 is sleeved on the hinge shaft 3.4, and two ends of the torsion spring 3.5 are respectively abutted with the hook body 3.1 and the lock rod 3.2; and a connecting ring 3.3 is fixed on the outer side wall of the lock rod 3.2.

The hanging device 4 comprises a right-angle hook 4.1 and an expansion link 4.2; a right-angle hook 4.1 is fixed at the telescopic end of the telescopic rod 4.2, and the telescopic rod 4.2 is an automatic telescopic rod 4.2.

The working principle is as follows: when the hydraulic single prop is fixed, the clamping ring 1 is sleeved at the upper part of the hydraulic single prop, and then the fastening bolt 6 sequentially penetrates through the through hole 5.1 and the chain ring-through hole 5.1 at one end of the chain 2; then, the fastening bolt 6 is screwed down to lock the clamping ring 1; then inserting the right-angle hook 4.1 on the hanging device 4 into the connecting ring 3.3 of the locking hook 3, erecting the connecting ring 3.3 of the locking hook 3 on the straight section of the right-angle hook 4.1, holding the telescopic rod 4.2 by a worker, extending the telescopic rod to enable the height of the locking hook 3 to reach the anchor net on the top plate, saving time and labor, avoiding potential safety hazards of falling caused by climbing the hydraulic single prop when the worker takes off the locking hook, and then hanging the locking hook 3 on the steel bars of the anchor net; the suspension of the locking hook 3 is completed, and the single hydraulic prop is effectively prevented from falling down to hurt the working personnel due to pressure relief.

Before the hydraulic single prop needs to be moved, a worker holds the telescopic rod 4.2 and extends the telescopic rod, then sleeves the right-angle hook 4.1 into the connecting ring 3.3, pulls the locking hook 3 to enable the steel bars on the anchor net to be positioned on the hook body 3.1 and far away from the locking rod 3.2, then pushes the locking rod 3.2 upwards to enable a gap to be formed between the locking rod 3.2 and the hook body 3.1, and then separates the steel bars on the anchor net; the utility model discloses simple structure, the easy realization is plucked and is hung convenient simple, and is fast, has improved the efficiency that moves or change hydraulic pressure monomer pillar.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A mining hydraulic single prop anti-falling chain convenient to pick and place is characterized by comprising a clamping ring, a chain, a locking hook and a hanging device;

an opening is formed in the side face of the clamping ring, and connecting plates extending towards the outer side of the clamping ring are fixed to two sides of the opening of the clamping ring respectively; through holes are correspondingly formed in the two connecting plates, and fastening bolts are inserted into the through holes;

one end of the chain is sleeved on the fastening bolt between the two connecting plates;

the other end of the chain is fixed with the locking hook;

the right-angle hook of the hanging device is movably inserted into the connecting ring of the locking hook.

2. The mining hydraulic single prop anti-falling chain convenient to detach and hang as claimed in claim 1, wherein the locking hook comprises a hook body, a locking rod and the connecting ring;

the hook body is provided with the lock rod; one end of the hook body is rotatably connected with one end of the lock rod through a hinge shaft; the other end of the lock rod is lapped on the inner side of the other end of the hook body;

a torsional spring is arranged at the hinged position of the lock rod and the hook body; the torsion spring is sleeved on the hinge shaft, and two ends of the torsion spring are respectively abutted with the hook body and the lock rod;

the outer side wall of the lock rod is fixedly provided with the connecting ring.

3. The mining hydraulic single prop anti-falling chain convenient to pick and place as claimed in claim 1 or 2, wherein the hanging device comprises the right-angle hook and a telescopic rod;

the right-angle hook is fixed at the telescopic end of the telescopic rod.

4. The mining hydraulic single prop anti-falling chain convenient to detach and hang according to claim 3, wherein the telescopic rod is an automatic telescopic rod.