CN220062757U - Labor-saving explosion support rod for drop shaft blockage - Google Patents

Abstract

The utility model discloses a labor-saving explosion support rod for a drop shaft blockage, which relates to the field of auxiliary equipment for mining and comprises a support rod, a pulley block and a pull rope, wherein the support rod comprises a first rod body, a plurality of second rod bodies and a third rod body, the first rod body, the plurality of second rod bodies and the third rod body are assembled together in a straight shape, the pulley block comprises a first pulley, a second pulley, a third pulley and a fourth pulley, and the first pulley, the second pulley and the third pulley are arranged at the upper end of the first rod body in a straight shape; a lifting unit is also included. The labor-saving pulley block is arranged on the supporting rod, the fourth pulley block is omitted, the gravity and friction force of the hook and part of the pull rope are exerted, and the force of one third of the weight of the explosive bag is exerted at one end of the pull rope to lift the explosive bag to the blocking position, so that two thirds of the force can be saved, and the labor-saving effect is achieved.

Description

Labor-saving explosion support rod for drop shaft blockage

Technical Field

The utility model relates to the field of auxiliary equipment for mining, in particular to a labor-saving explosion support rod for a drop shaft blockage.

Background

The drop shaft is a key link of the whole underground mine exploitation system, plays a very important role in the process of mine exploitation, when ore enters the drop shaft from an ore unloading station at the upper part of the drop shaft, falling materials can impact original materials in the drop shaft under the action of gravity, so that the materials in the drop shaft are compacted, or the materials with high size in the materials are mutually backlogged, or viscous minerals are secondarily solidified under the action of water, when the bottom of the drop shaft is discharged, arching or blocking is generated at a certain part in a shaft of the drop shaft, so that the materials stored in the drop shaft cannot fall, and once the drop shaft is blocked, the normal operation of the whole mine production can be influenced.

For vertical drop shafts (used for transporting ores or waste stones and simultaneously serving as a storage warehouse) to be blocked, the blocked position of the drop shaft often occurs at the middle upper part (the blocked position is more than 6 meters away from the bottom of the drop shaft), personnel cannot normally enter, the treatment difficulty is high, the blast hole is constructed to the blocked position of the drop shaft by the common method, and the explosive charge blasting is carried out.

However, the prior operation of supporting the explosive charge to the blocking position by using the long rod has the defects that: according to the explosive charge blocking explosion support rod, the explosive charge is pulled by manpower to move through the cooperation of the pull rope, the pulley block and the support rod, when a drop shaft with a larger diameter is blocked, the corresponding required explosive component is heavier, the operator pulls the drop shaft more forcefully, and the labor intensity is high, so that the explosive charge blocking explosion support rod for the drop shaft is labor-saving and meets the requirements.

Disclosure of Invention

The utility model aims to provide a labor-saving explosion support rod for a drop shaft blockage, which is used for reducing the labor intensity of operators.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a laborsaving type drop shaft blocks up and uses blasting bracing piece, includes bracing piece, assembly pulley and stay cord, the bracing piece includes first body of rod, a plurality of second body of rod and third body of rod, be the style of calligraphy and piece together between first body of rod, a plurality of second body of rod and the third body of rod, the assembly pulley includes first pulley, second pulley, third pulley and fourth pulley, first pulley, second pulley, third pulley are the style of calligraphy and arrange and install the upper end of first body of rod, fourth pulley with first pulley homonymy and be located the below of first pulley, the lifting end of stay cord with the erection frame fixed connection of fourth pulley, install the lifting hook on the erection frame, the pulling force end of stay cord is walked around in proper order first pulley, fourth pulley, second pulley and third pulley;

the lifting unit is used for carrying out integral height fine adjustment on the supporting rods.

Preferably, the lifting unit comprises a hollow pipe with internal threads, the hollow pipe is in threaded connection with the outer wall of the third rod body, and a bottom plate is rotatably arranged at the lower end of the hollow pipe.

Preferably, a plurality of conical insertion parts are densely distributed at the lower end of the bottom plate.

Preferably, a top plate is installed at the upper end of the first rod body, and the upper end of the top plate is located above the pulley block.

In summary, the utility model has the technical effects and advantages that:

the utility model has reasonable structure, the labor-saving pulley block is arranged on the supporting rod, the action of gravity and friction force of the fourth pulley, the hook and part of the pull rope is ignored, and the force of one third of the weight of the explosive bag is only applied to one end of the pull rope to lift the explosive bag to the blocking position, thus two thirds of the force can be saved, the labor-saving effect is realized, and the labor intensity is greatly reduced;

according to the utility model, the lifting unit is arranged, the hollow pipe can rotate, and the hollow pipe moves downwards relative to the third rod body, so that the supporting rod is jacked up, the upper end of the pulley at the upper end of the first rod body is abutted against the obstruction, and the supporting rod is further fixed between the obstruction and the ground, so that the supporting rod is convenient to be used as a fulcrum to drive the explosive package to lift through the stay cord.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of a lifting unit according to the present utility model;

fig. 3 is an enlarged schematic view of the structure of fig. 2 a according to the present utility model.

In the figure: 1. a support rod; 101. a first rod body; 102. a second rod body; 103. a third rod body; 104. a lifting unit; 1041. a hollow tube; 1042. a bottom plate; 1043. a tapered insertion portion; 105. a top plate; 2. pulley block; 21. a first pulley; 22. a second pulley; 23. a third pulley; 24. a fourth pulley; 25. a pull rope; 26. and (5) a lifting hook.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: referring to fig. 1-3, the labor-saving explosion supporting rod for shaft blockage comprises a supporting rod 1, a pulley block 2 and a pull rope 25, wherein the supporting rod 1 comprises a first rod body 101, a plurality of second rod bodies 102 and a third rod body 103, the first rod body 101, the plurality of second rod bodies 102 and the third rod body 103 are assembled together in a straight shape, the pulley block 2 comprises a first pulley 21, a second pulley 22, a third pulley 23 and a fourth pulley 24, the first pulley 21, the second pulley 22 and the third pulley 23 are arranged in a straight shape and are arranged at the upper end of the first rod body 101, the fourth pulley 24 is positioned on the same side as the first pulley 21 and below the first pulley 21, the lifting end of the pull rope 25 is fixedly connected with a mounting frame of the fourth pulley 24, a lifting hook 26 is mounted on the mounting frame, and the pulling end of the pull rope 25 bypasses the first pulley 21, the fourth pulley 24, the second pulley 22 and the third pulley 23 in sequence; further comprising a lifting unit 104 for fine-tuning the overall height of the support bar 1;

when the explosive package is used, a plurality of second rod bodies 102 can be selected according to the blocking height, the first rod bodies 101 and the third rod bodies 103 are matched to form a long rod body, the lifting unit 104 is used for lifting the height of the supporting rod 3, so that the supporting rod 3 is clamped and fixed between the blocking position and the ground, a binding wire on the explosive package can be hooked by the hook 26, the explosive package is driven to move upwards by pulling the pull rope 25, the explosive package is stopped at the blocking position, at the moment, the vertical downward and long enough leads on the explosive package can be ignited to perform blocking blasting operation, and the force analysis of fig. 3 shows that the force analysis of the fourth pulley 24 is omitted, the gravity and the friction force of the hook 26 and part of the pull rope 25 can lift the explosive package to the blocking position by only applying one third of the weight of the explosive package at one end of the pull rope 25, two thirds of the force can be saved, and the labor-saving effect is achieved.

It should be noted that the first rod 101, the plurality of second rods 102 and the third rod 103 are connected to each other by threads.

Preferably, the lifting unit 104 includes a hollow tube 1041 with internal threads, the hollow tube 1041 is in threaded connection with the outer wall of the third rod body 103, a bottom plate 1042 is rotatably provided at the lower end of the hollow tube 1041, the lower end of the bottom plate 1042 is contacted with the ground, at this time, the hollow tube 1041 (the third rod body 103 is kept stationary), and the hollow tube 1041 moves downward relative to the third rod body 103, so as to jack up the supporting rod 3, so that the upper end of a pulley at the upper end of the first rod body 101 is abutted against a blockage, and the supporting rod 3 is fixed between the blockage and the ground, so that the supporting rod 3 is conveniently and subsequently driven to lift up through the pulling rope 25 as a fulcrum.

It should be noted that, when the first rod 101, the plurality of second rods 102 and the third rod 103 are connected with each other by threads, and the hollow tube 1041 moves downward, the rotation direction of the hollow tube 1041 is consistent with the tightening direction of the threads between the rods, so that the loosening of the threaded connection between the rods can be avoided.

Preferably, the bottom plate 1042 has a plurality of tapered insertion portions 1043 densely arranged at a lower end thereof, and the stability of the supporting rod 3 can be improved by inserting the tapered insertion portions 1043 into the ground.

Preferably, the top plate 105 is installed at the upper end of the first rod body 101, and the upper end of the top plate 105 is located above the pulley block 2, and the top plate 105 can form an interference with the bottom surface of the obstruction, so that the pull rope 25 on the pulley is prevented from being extruded by contacting with the obstruction, and the pull rope cannot be pulled.

It should be noted that a plurality of tapered insertion portions 1043 may be provided at the upper end of the top plate 105, and the tapered insertion portions 1043 are inserted into the plugs to improve the stability of the support rod 3.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (4)

1. The utility model provides a laborsaving formula drop shaft blocks up and uses blasting bracing piece, includes bracing piece (1), assembly pulley (2) and stay cord (25), its characterized in that: the supporting rod (1) comprises a first rod body (101), a plurality of second rod bodies (102) and a third rod body (103), wherein the first rod body (101), the plurality of second rod bodies (102) and the third rod body (103) are assembled together in a straight shape, the pulley block (2) comprises a first pulley (21), a second pulley (22), a third pulley (23) and a fourth pulley (24), the first pulley (21), the second pulley (22) and the third pulley (23) are arranged in a straight shape and are arranged at the upper end of the first rod body (101), the fourth pulley (24) is positioned on the same side as the first pulley (21) and below the first pulley (21), the lifting end of the pull rope (25) is fixedly connected with a mounting frame of the fourth pulley (24), a lifting hook (26) is mounted on the mounting frame, and the pulling end of the pull rope (25) sequentially bypasses the first pulley (21), the fourth pulley (24), the second pulley (22) and the third pulley (23);

the lifting unit (104) is used for carrying out integral height fine adjustment on the supporting rod (1).

2. A labor-saving type blast support rod for a drop shaft blockage according to claim 1, wherein: the lifting unit (104) comprises a hollow tube (1041) with internal threads, the hollow tube (1041) is in threaded connection with the outer wall of the third rod body (103), and a bottom plate (1042) is rotatably arranged at the lower end of the hollow tube (1041).

3. A labor-saving type blast support rod for a drop shaft blockage according to claim 2, wherein: the lower end of the bottom plate (1042) is densely provided with a plurality of conical inserting parts (1043).

4. A labor-saving type blast support rod for a drop shaft blockage according to claim 1, wherein: a top plate (105) is arranged at the upper end of the first rod body (101), and the upper end of the top plate (105) is positioned above the pulley block (2).