CN213262358U

CN213262358U - Steel wire rope tensioning device for coal mine

Info

Publication number: CN213262358U
Application number: CN202021732218.3U
Authority: CN
Inventors: 王晓庆
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-19
Filing date: 2020-08-19
Publication date: 2021-05-25
Anticipated expiration: 2030-08-19

Abstract

The utility model discloses a wire rope overspeed device tensioner for coal mine, which comprises a roof, the mobile installing frame that is equipped with in bottom of roof, fixed mounting has the horizontal pole in the installing frame, install the pulley on the horizontal pole, the bottom of pulley is equipped with wire rope, equal fixed mounting has the second movable rod on the lateral wall of installing frame both sides, and the bottom of second movable rod all inserts and establish on the roof, set up the movable groove of mutually supporting with the second movable rod on the roof, and the movable groove extends to the upside of roof, equal movable mounting has the movable block on two second movable rods, impartial distance installs a plurality of stoppers on the inside wall in two movable grooves. The utility model discloses well pulley mobile installation appears not hard up back first spring as wire rope and because recovering self elasticity meeting push down wire rope on the roof for wire rope is in the tensioning state, can not only avoid being used in the component on wire rope to reduce by a wide margin, can prevent moreover that wire rope and runner from breaking away from, thereby can guarantee the normal clear of colliery operation.

Description

Steel wire rope tensioning device for coal mine

Technical Field

The utility model relates to a overspeed device tensioner technical field especially relates to a wire rope overspeed device tensioner for coal mine.

Background

Steel wire ropes are often arranged in mine tunnels of coal mines, and the steel wire ropes are driven by the rotating wheels to rotate circularly so as to provide power for transportation tools such as overhead man-riding carts and transportation trolleys in coal mine tunnels.

Among the prior art, wire rope is because being in the tensile state for a long time at the use and lengthening easily, and wire rope will appear not hard up this moment, and the tensile force of effect on wire rope will diminish, and wire rope breaks away from with the runner easily moreover to can influence the normal operation in the colliery, consequently need make the improvement to this.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the steel wire rope for the coal mine is easy to loosen after using a period of time in the prior art, and providing a steel wire rope tensioning device for the coal mine.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a wire rope overspeed device tensioner for coal mine, includes the roof, the mobile installing frame that is equipped with in bottom of roof, fixed mounting has the horizontal pole in the installing frame, install the pulley on the horizontal pole, the bottom of pulley is equipped with wire rope, equal fixed mounting has the second movable rod on the lateral wall of installing frame both sides, and the bottom of second movable rod all inserts and establish on the roof, set up the movable groove of mutually supporting with the second movable rod on the roof, and the movable groove extends to the upside of roof, two equal movable mounting has the movable block, two on the second movable rod impartial distance installs a plurality of stoppers on the inside wall of movable groove.

Preferably, fixed mounting has first movable rod on the roof of installing frame, and the top of first movable rod inserts and establish on the diapire of roof, evenly around being equipped with first spring on the lateral wall of first movable rod, and the both ends difference fixed mounting of first spring is on roof and installing frame.

Preferably, two limiting plates are symmetrically installed on the bottom wall of the inner side of the installation frame, and the two limiting plates are respectively located on two sides of the pulley.

Preferably, a plurality of balls are mounted on the outer side wall of the opposite side of the two movable grooves at equal distances, and the balls are in contact with the second movable rod.

Preferably, set up the mounting groove of mutually supporting with the movable block on the second movable rod, two third movable rods are installed to the symmetry on the lateral wall that the movable block is close to mounting groove one side, and the one end that the movable block was kept away from to the third movable rod is inserted and is established on the inside wall of mounting groove, every all around being equipped with the second spring on the lateral wall of third movable rod, and the both ends difference fixed mounting of second spring is on the inside wall of movable block and mounting groove.

Preferably, two the diapire of movable block is the inclined plane, and the movable block mutually supports with the stopper.

Compared with the prior art, the utility model discloses there is following beneficial effect:

1. the pulley can be movably arranged on the top plate, and the first spring can press down the steel wire rope due to the recovery of the elasticity of the first spring after the steel wire rope becomes loose, so that the steel wire rope is in a tensioning state, the component force acting on the steel wire rope is prevented from being greatly reduced, the steel wire rope is prevented from being separated from the rotating wheel, and the normal operation of coal mine operation can be ensured;

2. two second movable rods are symmetrically arranged on two sides of the mounting frame, the two second movable rods can only move downwards, the pulley and the mounting frame can be prevented from moving upwards under the pressure of the steel wire rope, and therefore the steel wire rope can be always in a tensioning state, and the practical effect is good.

Drawings

Fig. 1 is a schematic front structural view of a steel wire rope tensioning device for a coal mine provided by the present invention;

fig. 2 is a schematic side view of a steel wire rope tensioning device for a coal mine according to the present invention;

fig. 3 is an enlarged view of a part a of the structure of the steel wire rope tensioning device for coal mine.

In the figure: the steel wire rope limiting device comprises a top plate 1, an installation frame 2, a first movable rod 3, a first spring 4, a cross rod 5, a pulley 6, a steel wire rope 7, a limiting plate 8, a second movable rod 9, a movable groove 10, a ball 11, a movable block 12, a mounting groove 13, a third movable rod 14, a second spring 15 and a limiting block 16.

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.

Referring to fig. 1-3, a steel wire rope tensioning device for coal mine, including roof 1, the bottom of roof 1 is mobile to be equipped with installing frame 2, fixed mounting has first movable rod 3 on the roof of installing frame 2, and the top of first movable rod 3 is inserted and is established on the diapire of roof 1, evenly around being equipped with first spring 4 on the lateral wall of first movable rod 3, and the both ends of first spring 4 are fixed mounting respectively on roof 1 and installing frame 2, installing frame 2 and first movable rod 3 can freely remove.

Fixed mounting has horizontal pole 5 in the installing frame 2, installs pulley 6 on horizontal pole 5, and the bottom of pulley 6 is equipped with wire rope 7, and two limiting plates 8 are installed to the symmetry on the 2 inboard diapire of installing frame, and two limiting plates 8 are located the both sides of pulley 6 respectively, can prevent that wire rope 7 from the both ends landing of pulley 6.

The outer side walls of two sides of the mounting frame 2 are fixedly provided with second movable rods 9, the bottom ends of the second movable rods 9 are inserted on the top plate 1, the top plate 1 is provided with movable grooves 10 matched with the second movable rods 9, the movable grooves 10 extend to the upper side of the top plate 1, the outer side wall of one side, opposite to the two movable grooves 10, is provided with a plurality of balls 11 at equal distances, the balls 11 are contacted with the second movable rods 9, the friction force between the second movable rods 9 and the inner side walls of the movable grooves 10 can be reduced, movable blocks 12 can be movably arranged on the two second movable rods 9, the second movable rods 9 are provided with mounting grooves 13 matched with the movable blocks 12, the outer side wall of one side, close to the mounting grooves 13, of the movable blocks 12 is symmetrically provided with two third movable rods 14, and one ends, far away from the movable blocks 12, of the third movable rods 14 are inserted on the inner side walls of the mounting grooves, the outer side wall of each third movable rod 14 is provided with a second spring 15 in a winding manner, two ends of each second spring 15 are fixedly arranged on the inner side walls of the movable block 12 and the mounting groove 13 respectively, and the movable block 12 can move freely in the mounting groove 13.

A plurality of stoppers 16 are installed to impartial distance on the inside wall of two activity grooves 10, the diapire of two movable blocks 12 is the inclined plane, and movable block 12 and stopper 16 mutually support, the diapire of movable block 12 slope can extrude each other with stopper 16 when second movable rod 9 moves down, extrude the one end of movable block 12 back second movable rod 9 alright in mounting groove 13 with free downstream, stopper 16 can be to supporting with movable block 12 when second movable rod 9 rebound, can prevent second movable rod 9 rebound, thereby can prevent pulley 6 and installing frame 2 rebound behind the pressure of wire rope 7, thereby can make wire rope 7 be in the tensioning state all the time, the practicality is good.

In the utility model, the steel wire rope 7 is positioned at the bottom end of the pulley 6 and is contacted with the pulley 6, when the steel wire rope 7 becomes loose, the first spring 4 can push the first movable rod 3, the mounting frame 2 and the pulley 6 to move downwards due to the recovery of the elasticity of the first spring, and the pulley 6 presses the steel wire rope 7 downwards to enable the steel wire rope 7 to be in a tensioning state; the diapire of movable block 12 slope can extrude each other with stopper 16 when second movable rod 9 moves down, extrude second movable rod 9 alright with free downstream in mounting groove 13 with the one end of movable block 12, stopper 16 can be to supporting with movable block 12 when second movable rod 9 upward movement, can prevent that second movable rod 9 from upwards moving, thereby can prevent that pulley 6 and installing frame 2 from upwards moving behind wire rope 7's pressure, thereby can make wire rope 7 be in the tensioning state all the time.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a wire rope overspeed device tensioner for coal mine, includes roof (1), its characterized in that: the bottom of roof (1) is mobile to be equipped with installing frame (2), fixed mounting has horizontal pole (5) in installing frame (2), install pulley (6) on horizontal pole (5), the bottom of pulley (6) is equipped with wire rope (7), equal fixed mounting has second movable rod (9) on the lateral wall of installing frame (2) both sides, and the bottom of second movable rod (9) all inserts and establish on roof (1), set up movable groove (10) of mutually supporting with second movable rod (9) on roof (1), and movable groove (10) extend to the upside of roof (1), two equal movable mounting has movable block (12), two on second movable rod (9) impartial distance on the inside wall of movable groove (10) installs a plurality of stoppers (16).

2. The coal mine steel wire rope tensioning device according to claim 1, wherein: fixed mounting has first movable rod (3) on the roof of installing frame (2), and the top of first movable rod (3) is inserted and is established on the diapire of roof (1), evenly around being equipped with first spring (4) on the lateral wall of first movable rod (3), and the both ends difference fixed mounting of first spring (4) is on roof (1) and installing frame (2).

3. The coal mine steel wire rope tensioning device according to claim 1, wherein: two limiting plates (8) are symmetrically installed on the bottom wall of the inner side of the mounting frame (2), and the two limiting plates (8) are respectively located on two sides of the pulley (6).

4. The coal mine steel wire rope tensioning device according to claim 1, wherein: a plurality of balls (11) are arranged on the outer side wall of one side, opposite to the two movable grooves (10), of the outer side wall at equal distances, and the balls (11) are in contact with the second movable rod (9) mutually.

5. The coal mine steel wire rope tensioning device according to claim 1, wherein: offer on second movable rod (9) mounting groove (13) of mutually supporting with movable block (12), two third movable rods (14) are installed to the symmetry on the lateral wall that movable block (12) is close to mounting groove (13) one side, and third movable rod (14) keep away from the one end of movable block (12) and insert on the inside wall of establishing mounting groove (13), every all around being equipped with second spring (15) on the lateral wall of third movable rod (14), and the both ends difference fixed mounting of second spring (15) is on the inside wall of movable block (12) and mounting groove (13).

6. The coal mine steel wire rope tensioning device according to claim 1, wherein: the bottom wall of the two movable blocks (12) is an inclined plane, and the movable blocks (12) are matched with the limiting blocks (16).