Mine air door steel wire rope limiting protection structure

Abstract

The utility model relates to the technical field of mine ventilation, in particular to a mine air door steel wire rope limiting protection structure which comprises a wall body, a fixing frame, an I-shaped pulley, a steel wire rope main body, a mounting ring, a connecting rod, a U-shaped rod, a connecting block, a first mounting hole and a limiting bolt, the fixing frame is arranged on one side of the wall body, and the I-shaped pulley is arranged on the inner side of the fixing frame; a steel wire rope body is arranged on one side of the I-shaped pulley, a mounting ring is arranged on one side of the fixing frame, a connecting rod is arranged on one side of the mounting ring, a U-shaped rod is arranged at one end of the connecting rod, connecting blocks are arranged at the two ends of the U-shaped rod, first mounting holes are formed in one sides of the connecting blocks, and limiting bolts are arranged on the inner sides of the first mounting holes. By limiting the motion trail, the steel wire rope is prevented from disengaging from the groove, the maintenance work of personnel is reduced, the service life of the steel wire rope is prolonged, the operation reliability of the air door is guaranteed, the working efficiency is improved, installation and operation are simple and convenient, and mine ventilation safety is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to mine ventilation technical field especially relates to mine air door steel wire rope position protection structure. BACKGROUND

[0002] The air door is the important structure in mine ventilation system, can cut off the air flow, also is the important passageway of pedestrian and vehicle, it can guide the air flow to flow according to the predetermined path, ensure that fresh air can reach the working face of mine, simultaneously the dirty air is discharged from the mine, to ensure that the air circulation in the mine and the safety of miner.

[0003] Now the mine air door mainly drives the air door to control its opening and closing through the steel wire rope, and there is the phenomenon of steel wire rope off the groove in the daily use process, leads to the steel wire rope of air door to be broken, and the use cost is higher, influences the normal operation of air door, and can also threaten the ventilation safety of mine.

[0004] Therefore, aiming at the condition that the steel wire rope of existing mine air door is easy to off the groove and be broken, the mine air door steel wire rope position protection structure can be designed, the steel wire rope off the groove is prevented by limiting the movement track, the personnel maintenance work is reduced, the service life of steel wire rope is prolonged, the operation reliability of air door is guaranteed, the work efficiency is improved, and the installation operation is simple and convenient, so as to guarantee the ventilation safety of mine. UTILITY MODEL CONTENT

[0005] In order to overcome the problem that most mine air doors have the phenomenon of steel wire rope off the groove in the daily use process, lead to the steel wire rope of air door to be broken, and the use cost is higher, influence the normal operation of air door, and can also threaten the ventilation safety of mine, the utility model is provided.

[0006] The technical scheme of the utility model is: the mine air door steel wire rope position protection structure, including wall body, fixed frame, I-shaped pulley, steel wire rope main body, installation ring, connecting rod, U-shaped rod, connecting block, first installation hole and limiting bolt, the one side of wall body is provided with fixed frame, the inner side of fixed frame is provided with I-shaped pulley, the one side of I-shaped pulley is provided with steel wire rope main body, the one side of fixed frame is provided with installation ring, the one side of installation ring is provided with connecting rod, the one end of connecting rod is provided with U-shaped rod, the both ends of U-shaped rod are provided with connecting block, the one side of connecting block is provided with first installation hole, the inner side of first installation hole is provided with limiting bolt.

[0007] Preferably, the fixed frame is rotatably connected with the I-shaped pulley, the fixed frame is fixed on the wall body, the position of the fixed frame is stable, the I-shaped pulley is driven to rotate by the hydraulic oil cylinder, the main steel wire rope is wound and unwound by the rotation of the I-shaped pulley, the air door is pulled by the main steel wire rope, the opening and closing of the air door are realized, the mounting ring is placed in the specified position of the fixed frame, the connecting rod is connected by the mounting ring, the U-shaped rod is connected by the connecting rod, the movement track of the main steel wire rope is limited by the U-shaped rod, the installation position of the limiting bolt is determined by the connecting block, the limiting bolt is screwed into the first mounting hole, the opening of the U-shaped rod is closed by the limiting bolt, the main steel wire rope is closed and limited, the steel wire rope is prevented from falling off the groove, the maintenance work is reduced, the service life of the steel wire rope is prolonged, the operation reliability of the air door is ensured, and the installation operation is simple and convenient.

[0008] Preferably, the fixed frame is rotatably connected with the I-shaped pulley, the main steel wire rope is arranged on one side of the fixed frame, and the main steel wire rope is arranged in the sliding groove of the I-shaped pulley.

[0009] Preferably, the U-shaped rod is arranged on the outer side of the main steel wire rope, the connecting block is symmetrically provided with two groups, one side of one of the connecting blocks is arranged on one end of the connecting rod, and the limiting bolt is threadedly connected with the first mounting hole.

[0010] Preferably, the second mounting hole is arranged on the outer side of one of the second mounting holes, and the second mounting hole is provided with the mounting bolt.

[0011] Preferably, the second mounting hole is arranged on the four corners of the fixed frame, the mounting bolt is threadedly connected with the second mounting hole, and one end of the mounting bolt is threadedly connected with the wall body.

[0012] Preferably, the fixed frame is provided with a positioning groove on one side, the positioning groove is symmetrically provided with two groups, the positioning groove is symmetrically arranged on the two sides of one of the second mounting holes, the bottom surface of the mounting ring is provided with a positioning column, the positioning column is symmetrically provided with two groups, and the positioning column is in position correspondence with the positioning groove.

[0013] Preferably, one end of the limiting bolt is provided with a locking nut, the locking nut is threadedly connected with the limiting bolt, and the locking nut is arranged on the bottom surface of one of the connecting blocks.

[0014] The utility model discloses the beneficial effects of:

[0015] When the winding and unwinding steel wire rope, the fixed frame is fixed on the wall body, the work type pulley is driven to rotate by the hydraulic oil cylinder, the work type pulley drives the steel wire rope main body to wind and unwind, the air door is pulled through the steel wire rope main body, the opening and closing of the air door is realized, the mounting ring is placed in the specified position of the fixed frame, the connecting rod is connected through the mounting ring, the U-shaped rod is connected through the connecting rod, the movement track of the steel wire rope main body is limited through the U-shaped rod, the installation position of the limiting bolt is determined through the connecting block, the limiting bolt is screwed into the first mounting hole, the opening of the U-shaped rod is closed by the limiting bolt, and the steel wire rope main body is completely closed in the U-shaped rod, so that the phenomenon that the steel wire rope is out of the groove in the daily use process of most mine air doors is solved, the steel wire rope of the air door is broken due to jamming, the normal operation of the air door is affected, and the safety of mine ventilation is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A three-dimensional structure schematic view of the mine air door steel wire rope limiting protection structure is shown.

[0017] Figure 2 A three-dimensional structure schematic view of the U-shaped rod of the mine air door steel wire rope limiting protection structure is shown.

[0018] Figure 3 A three-dimensional structure schematic view of the fixed frame of the mine air door steel wire rope limiting protection structure is shown.

[0019] Figure 4 A three-dimensional structure schematic view of the U-shaped rod and the steel wire rope main body of the mine air door steel wire rope limiting protection structure is shown.

[0020] The drawings are explained as follows: 1, wall body; 2, fixed frame; 201, second mounting hole; 202, mounting bolt; 203, positioning groove; 3, work type pulley; 4, steel wire rope main body; 5, mounting ring; 501, positioning column; 6, connecting rod; 7, U-shaped rod; 8, connecting block; 9, first mounting hole; 10, limiting bolt; 1001, locking nut. DETAILED DESCRIPTION

[0021] The utility model is further explained in connection with the drawings and examples.

[0022] Please refer to Figure 1 With Figure 2The utility model provides a kind of embodiment: mine air door steel wire rope limiting protection structure, including wall body 1, fixed frame 2, work type pulley 3, steel wire rope main body 4, mounting ring 5, connecting rod 6, U-shaped rod 7, connecting block 8, first mounting hole 9 and limiting bolt 10, one side of wall body 1 is provided with fixed frame 2, the inside of fixed frame 2 is provided with work type pulley 3, fixed frame 2 and work type pulley 3 are rotatably connected, one side of work type pulley 3 is provided with steel wire rope main body 4, one end of steel wire rope main body 4 is arranged in the side of fixed frame 2, steel wire rope main body 4 is arranged in the sliding slot of work type pulley 3, one side of fixed frame 2 is provided with mounting ring 5, one side of mounting ring 5 is provided with connecting rod 6, one end of connecting rod 6 is provided with U-shaped rod 7, U-shaped rod 7 is arranged on the outside of steel wire rope main body 4, the both ends of U-shaped rod 7 are provided with connecting block 8, two groups of connecting block 8 are symmetrically provided, one side of one group of connecting block 8 is arranged in one end of connecting rod 6, one side of connecting block 8 is provided with first mounting hole 9, the inside of first mounting hole 9 is provided with limiting bolt 10, limiting bolt 10 and first mounting hole 9 are threadedly connected.

[0023] Please refer to Figure 3 With Figure 4 In the embodiment, one side of fixed frame 2 is provided with second mounting hole 201, second mounting hole 201 is provided with multiple groups, second mounting hole 201 is provided in the four corners of fixed frame 2, mounting ring 5 is arranged on the outside of one group of second mounting hole 201, mounting screw 202 is arranged on the inside of second mounting hole 201, mounting screw 202 and second mounting hole 201 are threadedly connected, one end of mounting screw 202 and wall body 1 are threadedly connected, mounting screw 202 is rotated into second mounting hole 201, so that one end of mounting screw 202 is threadedly rotated into wall body 1, so that fixed frame 2 is flexibly mounted and fixed on wall body 1.

[0024] One side of fixed frame 2 is provided with positioning groove 203, two groups of positioning groove 203 are symmetrically provided, positioning groove 203 is symmetrically provided on the two sides of one group of second mounting hole 201, the bottom surface of mounting ring 5 is provided with positioning column 501, two groups of positioning column 501 are symmetrically provided, positioning column 501 corresponds to the position of positioning groove 203, the installation position of positioning column 501 is clearly positioned through positioning groove 203, positioning column 501 is embedded in positioning groove 203, so that mounting ring 5 is quickly positioned and installed; One end of limiting bolt 10 is provided with locking nut 1001, locking nut 1001 and limiting bolt 10 are threadedly connected, locking nut 1001 is arranged on the bottom surface of one group of connecting block 8, limiting bolt 10 is rotated into first mounting hole 9, limiting bolt 10 penetrates two groups of connecting block 8, locking nut 1001 is rotated into one end of limiting bolt 10, locking nut 1001 abuts against the bottom surface of connecting block 8, so that limiting bolt 10 is mounted and fixed at the opening of U-shaped rod 7.

[0025] When installing the steel wire rope body 4, the fixing frame 2 is placed on one side of the wall body 1, the mounting bolts 202 are turned into the second mounting holes 201 in sequence, and the steel wire rope body 4 is wound on the I-shaped pulley 3;

[0026] When installing the limiting structure, one group of the mounting bolts 202 is turned out, the positioning column 501 on the mounting ring 5 is embedded into the positioning groove 203, then the mounting bolts 202 are turned into the second mounting holes 201, and the mounting bolts 202 press and fix the mounting ring 5;

[0027] Meanwhile, the steel wire rope body 4 is placed in the U-shaped rod 7 on the connecting rod 6, the limiting bolt 10 is turned into the first mounting hole 9, the limiting bolt 10 penetrates the connecting block 8, then the locking nut 1001 is turned into one end of the limiting bolt 10, and the locking nut 1001 abuts against the bottom surface of the connecting block 8, so that the steel wire rope body 4 is limited;

[0028] When opening and closing the air door, the I-shaped pulley 3 is driven to rotate by the hydraulic oil cylinder, the steel wire rope body 4 is wound and unwound by the rotation of the I-shaped pulley 3, the movement track of the steel wire rope body 4 is limited in the limiting range formed by the U-shaped rod 7 and the limiting bolt 10, the air door is pulled by the steel wire rope body 4, and the opening and closing of the air door is realized.

[0029] Through the above steps, the I-shaped pulley 3 is rotationally connected with the fixing frame 2 by being arranged on the fixing frame 2, the fixing frame 2 is installed and fixed on the wall body 1, the position of the fixing frame 2 is stable, the I-shaped pulley 3 is driven to rotate by the hydraulic oil cylinder, the steel wire rope body 4 is wound and unwound by the rotation of the I-shaped pulley 3, the air door is pulled by the steel wire rope body 4, and the opening and closing of the air door is realized, the mounting ring 5 is placed in the specified position of the fixing frame 2, the connecting rod 6 is connected and fixed by the mounting ring 5, the U-shaped rod 7 is connected and fixed by the connecting rod 6, the movement track of the steel wire rope body 4 is limited by the U-shaped rod 7, the installation position of the limiting bolt 10 is clear by the connecting block 8, the limiting bolt 10 is turned into the first mounting hole 9, the opening of the U-shaped rod 7 is closed by the limiting bolt 10, so that the steel wire rope body 4 is closed and limited, the steel wire rope is prevented from being off the groove, the personnel maintenance work is reduced, the service life of the steel wire rope is prolonged, the operation reliability of the air door is guaranteed, and the installation operation is simple and convenient.

[0030] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by the person skilled in the art without departing from the purpose of the utility model.

Claims

1. A wire rope limiting and protection structure for mine ventilation doors, comprising a wall (1), a fixing frame (2), an I-shaped pulley (3), and a wire rope body (4), characterized in that: It also includes an installation ring (5), a connecting rod (6), a U-shaped rod (7), a connecting block (8), a first installation hole (9), and a limiting bolt (10). A fixing frame (2) is provided on one side of the wall (1), an I-shaped pulley (3) is provided on the inner side of the fixing frame (2), a wire rope body (4) is provided on one side of the I-shaped pulley (3), an installation ring (5) is provided on one side of the fixing frame (2), a connecting rod (6) is provided on one side of the installation ring (5), a U-shaped rod (7) is provided at one end of the connecting rod (6), a connecting block (8) is provided at both ends of the U-shaped rod (7), a first installation hole (9) is provided on one side of the connecting block (8), and a limiting bolt (10) is provided on the inner side of the first installation hole (9).

2. The mine ventilation door wire rope limiting protection structure according to claim 1, characterized in that: The fixed frame (2) and the I-shaped pulley (3) are rotatably connected to each other. One end of the wire rope body (4) is set on one side of the fixed frame (2), and the wire rope body (4) is set in the groove of the I-shaped pulley (3).

3. The mine ventilation door wire rope limiting protection structure according to claim 1, characterized in that: The U-shaped rod (7) is set on the outside of the wire rope body (4). Two sets of connecting blocks (8) are symmetrically arranged. One side of one set of connecting blocks (8) is set on one end of the connecting rod (6). The limiting bolt (10) is threadedly connected to the first mounting hole (9).

4. The mine ventilation door wire rope limiting protection structure according to claim 1, characterized in that: The fixing bracket (2) has a second mounting hole (201) on one side. There are multiple sets of second mounting holes (201). The mounting ring (5) is set on the outside of one set of second mounting holes (201). The mounting bolt (202) is set on the inside of the second mounting hole (201).

5. The mine ventilation door wire rope limiting protection structure according to claim 4, characterized in that: The second mounting hole (201) is opened at the four corners of the fixing frame (2). The mounting bolt (202) is threadedly connected to the second mounting hole (201). One end of the mounting bolt (202) is threadedly connected to the wall (1).

6. The mine ventilation door wire rope limiting protection structure according to claim 4, characterized in that: A positioning groove (203) is provided on one side of the fixing frame (2). Two sets of positioning grooves (203) are symmetrically provided. The positioning grooves (203) are symmetrically provided on both sides of one set of second mounting holes (201). A positioning post (501) is provided on the bottom surface of the mounting ring (5). Two sets of positioning posts (501) are symmetrically provided. The positioning posts (501) correspond to the positions of the positioning grooves (203).

7. The mine ventilation door wire rope limiting protection structure according to claim 1, characterized in that: A locking nut (1001) is provided at one end of the limiting bolt (10). The locking nut (1001) and the limiting bolt (10) are threaded together. The locking nut (1001) is located on the bottom surface of one of the connecting blocks (8).

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