CN220769212U

CN220769212U - Pneumatic control device for mine air door

Info

Publication number: CN220769212U
Application number: CN202322292246.8U
Authority: CN
Inventors: 曲志强; 蔡龙; 耿云广; 张彦豪; 张西恒
Original assignee: Ordos Shengxin Coal Industry Co ltd
Current assignee: Ordos Shengxin Coal Industry Co ltd
Priority date: 2023-08-24
Filing date: 2023-08-24
Publication date: 2024-04-12
Anticipated expiration: 2033-08-24

Abstract

The utility model discloses a pneumatic control device for a mine air door, which comprises a control component, wherein the control component comprises a driving cylinder, a first connecting seat, a connecting rod, two connecting shafts, a second connecting seat, a sliding seat, two guide rods, a driving motor, a screw rod, a rotating seat, two mounting plates, two laser ranging sensors and two audible and visual alarms. According to the utility model, the connecting rod is driven by the driving cylinder, so that the door leaf can be opened and closed, when the door leaf is opened, the two laser ranging sensors respectively measure the positions of the staff behind the door leaf on the right side and in front of the door leaf on the left side, and when the distance between the staff and the door leaf is lower than a safety value, the audible and visual alarm emits light and sounds, so that the situation that the door leaf impacts the staff is avoided; the driving motor drives the screw rod to rotate, and then the open angle of the door leaf can be adjusted according to the actual ventilation requirement and the underground gas condition.

Description

Pneumatic control device for mine air door

Technical field:

the utility model relates to a device, in particular to a pneumatic control device for a mine air door, and belongs to the technical field of mine air doors.

The background technology is as follows:

the pressureless air door is an important component of various mine ventilation systems, and is mainly used in a mine underground return roadway and a connecting roadway between the main return roadway. The novel door lock has the characteristics of reasonable structure and convenience in opening, and is widely used. In recent years, a set of pneumatic control devices are arranged on the basis of the pressureless air door, so that electricity is not needed, compressed air is only needed to be connected, and the pressureless air door can be controlled to be opened and closed by pressing a button, thereby greatly reducing the labor intensity of underground workers and improving the automation degree of a mine.

When the existing pneumatic control device is used for controlling two opposite air doors of a mine, after one door is opened, the other door can be opened in a linkage reverse direction, and then when a worker is arranged on the other side, the situation that the door impacts the worker can occur; in addition, after the existing pneumatic control is used for controlling the opening of the air door, the opening angle of the door leaf is fixed, and the opening angle of the air door cannot be adjusted according to the actual ventilation requirement and the underground gas condition.

The utility model comprises the following steps:

the utility model aims to provide a pneumatic control device for a mine air door, which solves one of the problems in the prior art.

The utility model is implemented by the following technical scheme: the pneumatic control device of the mine air door comprises a control assembly, wherein the control assembly comprises a driving cylinder, a first connecting seat, a connecting rod, two connecting shafts, a second connecting seat, a sliding seat, two guide rods, a driving motor, a screw rod, a rotating seat, two mounting plates, two laser ranging sensors and two audible and visual alarms;

the bottom fixed connection of connecting axle is in the upper surface of first connecting seat and second connecting seat, the both ends of connecting rod rotate and connect in the lateral wall of two connecting axles, drive cylinder installs in one side of rotating the seat, lead screw fixed connection is in driving motor's output shaft, sliding seat sliding connection is in the lateral wall of two guide bars, two laser range finding sensor and two audible-visual annunciator symmetry are installed in the front surface and the rear surface of two mounting panels.

As a further preferred aspect of the present utility model: the rear surface of the rotating seat is rotationally connected to the front surface of the sliding seat, the sliding seat is in threaded connection with the outer side wall of the screw rod, and a controller is arranged on the front surface of one mounting plate.

As a further preferred aspect of the present utility model: the cylinder shaft of the driving cylinder is rotationally connected to the outer side wall of the connecting rod, and the first connecting seat is L-shaped.

As a further preferred aspect of the present utility model: the rear surface of the first connecting seat is provided with a throttle main body assembly, and the throttle main body assembly comprises a door frame, two door leaves, a window, a sliding chute and two handles;

the rear surface of the first connecting seat is arranged on the front surface of one door leaf, and the rear surface of the second connecting seat is arranged on the front surface of the other door leaf.

As a further preferred aspect of the present utility model: the two door leaves are symmetrically hinged to the inner side wall of the door frame through hinges, and the window is opened in the door leaves.

As a further preferred aspect of the present utility model: the two handles are symmetrically arranged on the front surface and the rear surface of the two door leaves.

As a further preferred aspect of the present utility model: the sliding seat is connected to the inner side wall of the sliding groove in a sliding mode, and two ends of the guide rod are symmetrically and fixedly connected to two sides of the inner wall of the sliding groove.

As a further preferred aspect of the present utility model: the two mounting plates are symmetrically arranged on the front surface and the rear surface of the two door leaves, the driving motor is arranged on one side of the inner wall of the sliding groove, and one end of the screw rod is rotationally connected to the other side of the inner wall of the sliding groove.

The utility model has the advantages that:

1. according to the utility model, the connecting rod is driven by the driving cylinder, so that the door leaf can be opened and closed, when the door leaf is opened, the two laser ranging sensors respectively measure the positions of the staff behind the right door leaf and in front of the left door leaf, and when the distance between the staff and the door leaf is lower than a safety value, the audible and visual alarm emits light and sounds to remind the staff that the door leaf is opened and the safety distance needs to be kept, so that the situation that the door leaf impacts the staff is avoided.

2. According to the utility model, the screw rod is driven to rotate by the driving motor, and the sliding seat drives the rotating seat, so that the opening angle of the door leaf can be adjusted according to the actual ventilation requirement and the underground gas condition.

Description of the 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 diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a damper body assembly according to the present utility model;

FIG. 3 is a schematic view of a first connecting seat according to the present utility model;

FIG. 4 is a schematic diagram illustrating the connection of a rotating seat and a sliding seat according to the present utility model;

fig. 5 is a schematic structural view of the mounting plate of the present utility model.

In the figure: 101. a control assembly; 11. a driving cylinder; 12. a first connection base; 13. a connecting rod; 14. a connecting shaft; 15. a second connecting seat; 16. a sliding seat; 17. a guide rod; 18. a driving motor; 19. a screw rod; 20. a rotating seat; 21. a mounting plate; 22. a laser ranging sensor; 23. an audible and visual alarm; 24. a controller; 301. a damper body assembly; 31. a door frame; 32. a door leaf; 33. a window; 34. a chute; 35. a handle.

The specific embodiment is as follows:

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. 1-5, the present utility model provides a technical solution: the pneumatic control device of the mine air door comprises a control assembly 101, wherein the control assembly 101 comprises a driving cylinder 11, a first connecting seat 12, a connecting rod 13, two connecting shafts 14, a second connecting seat 15, a sliding seat 16, two guide rods 17, a driving motor 18, a screw rod 19, a rotating seat 20, two mounting plates 21, two laser ranging sensors 22 and two audible and visual alarms 23;

the bottom fixed connection of two connecting axles 14 is in the upper surface of first connecting seat 12 and second connecting seat 15, and the both ends of connecting rod 13 rotate and connect in the lateral wall of two connecting axles 14, and drive cylinder 11 installs in one side of rotating seat 20, and lead screw 19 fixed connection is in the output shaft of driving motor 18, and sliding seat 16 sliding connection is in the lateral wall of two guide bars 17, and two laser range finding sensors 22 and two audible-visual annunciators 23 are installed in the front surface and the rear surface of two mounting panels 21 symmetrically.

In this embodiment, specific: the rear surface of the rotating seat 20 is rotatably connected to the front surface of the sliding seat 16, the sliding seat 16 is in threaded connection with the outer side wall of the screw rod 19, a controller 24 is mounted on the front surface of one mounting plate 21, the position of an external worker can be measured through a laser ranging sensor 22, and when the distance between the workers is too short, the controller 24 controls an audible and visual alarm 23 to alarm.

In this embodiment, specific: the cylinder shaft of the driving cylinder 11 is rotatably connected to the outer side wall of the connecting rod 13, and the first connecting seat 12 is L-shaped, so that the opening and closing of the air door can be realized through the driving cylinder 11.

In this embodiment, specific: the rear surface of the first connecting seat 12 is provided with a throttle main body assembly 301, and the throttle main body assembly 301 comprises a door frame 31, two door leaves 32, a window 33, a sliding chute 34 and two handles 35;

the rear surface mounting of first connecting seat 12 is in the front surface of a door leaf 32, the rear surface mounting of second connecting seat 15 is in the front surface of another door leaf 32, when the cylinder axle of actuating cylinder 11 extends, actuating cylinder 11 promotes connecting rod 13, connecting rod 13 pulls first connecting seat 12 and second connecting seat 15 respectively through connecting axle 14, first connecting seat 12 and second connecting seat 15 pull door leaf 32 on the right side and door leaf 32 on the left side respectively, two door leaves 32 all rotate clockwise this moment, and then can realize opening and closing of door leaf 32.

In this embodiment, specific: two door leaves 32 pass through the hinge symmetry and articulate in the inside wall of door frame 31, and window 33 is seted up in the inside of door leaf 32, and the rear that conveniently observes door leaf 32 through window 33 has the pedestrian, and window 33 is the toughened glass material.

In this embodiment, specific: two handles 35 are symmetrically installed on the front and rear surfaces of the two door leaves 32, and manual opening and closing of the door leaves 32 can be achieved through the handles 35.

In this embodiment, specific: the spout 34 is seted up in the front surface of door frame 31, sliding seat 16 sliding connection is in the inside wall of spout 34, the both ends symmetry fixed connection of two guide bars 17 is in the inner wall both sides of spout 34, two mounting panels 21 symmetry are installed in the front surface and the rear surface of two door leafs 32, driving motor 18 installs in the inner wall one side of spout 34, the one end rotation of lead screw 19 is connected in the inner wall opposite side of spout 34, drive the lead screw 19 through driving motor 18 and rotate, the lead screw 19 passes through the screw thread and drives sliding seat 16 and slide along guide bar 17, the sliding seat 16 drives when moving and rotates seat 20, it drives actuating cylinder 11 to rotate seat 20, actuating cylinder 11 drives connecting rod 13, and then can adjust the open angle of door fan 32.

In this embodiment, specific: the electrical output end of the controller 24 is electrically connected with the electrical input ends of the driving cylinder 11, the driving motor 18, the laser ranging sensor 22 and the audible and visual alarm 23 respectively through wires, the electrical input end of the controller 24 is connected with an external power supply and is used for supplying power to the driving cylinder 11, the driving motor 18, the laser ranging sensor 22 and the audible and visual alarm 23, and the signal output end of the laser ranging sensor 22 is communicated with the signal input end of the controller 24.

In the present utility model, the model of the controller 24 is: the model of the laser ranging sensor 22 for the OHR-PR10 is: CCF-LAS4-C1.

When the device is used, the air cylinder shaft of the driving air cylinder 11 is controlled to stretch through the controller 24, the driving air cylinder 11 pushes the connecting rod 13, the connecting rod 13 pulls the first connecting seat 12 and the second connecting seat 15 through the connecting shaft 14 respectively, the first connecting seat 12 and the second connecting seat 15 pull the right door leaf 32 and the left door leaf 32 respectively, at the moment, the two door leaves 32 rotate clockwise, opening of the door leaf 32 can be achieved, when the door leaf 32 is opened, the two laser ranging sensors 22 measure positions of workers behind the right door leaf 32 and in front of the left door leaf 32 respectively, when the distance between the workers and the door leaf 32 is lower than a safety value, the laser ranging sensors 22 send signals to the controller 24, the controller 24 controls the acousto-optic alarm 23 to work, the acousto-optic alarm 23 emits light and sounds to remind workers that the door leaf 32 is opened and keeps a safety distance, after the door leaf 32 is opened, the controller 24 controls the driving motor 18 to work, the driving motor 18 drives the screw rod 19 to rotate, the screw rod 19 drives the sliding seat 16 to rotate through threads, and drives the sliding seat 16 to move along the sliding seat 16, and the sliding seat 16 drives the sliding seat 20 to rotate, and the air cylinder 11 is driven to rotate, and the angle of the driving air cylinder 11 is adjusted.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The pneumatic control device of the mine air door is characterized by comprising a control assembly (101), wherein the control assembly (101) comprises a driving cylinder (11), a first connecting seat (12), a connecting rod (13), two connecting shafts (14), a second connecting seat (15), a sliding seat (16), two guide rods (17), a driving motor (18), a screw rod (19), a rotating seat (20), two mounting plates (21), two laser ranging sensors (22) and two audible and visual annunciators (23);

the bottom fixed connection of connecting axle (14) is in the upper surface of first connecting seat (12) and second connecting seat (15), the both ends rotation of connecting rod (13) are connected in the lateral wall of two connecting axles (14), drive cylinder (11) are installed in one side of rotating seat (20), lead screw (19) fixed connection is in the output shaft of driving motor (18), sliding seat (16) sliding connection is in the lateral wall of two guide bars (17), two laser range finding sensor (22) and two audible-visual annunciator (23) symmetry are installed in the front surface and the rear surface of two mounting panel (21).

2. A pneumatic control device for a mine damper according to claim 1, wherein the rear surface of the rotary seat (20) is rotatably connected to the front surface of the sliding seat (16), the sliding seat (16) is screwed to the outer side wall of the screw (19), and the front surface of one of the mounting plates (21) is provided with a controller (24).

3. A pneumatic control device for mine air doors according to claim 1, characterized in that the cylinder shaft of the driving cylinder (11) is rotatably connected to the outer side wall of the connecting rod (13), and the first connecting seat (12) is L-shaped.

4. A pneumatic control device for a mine damper according to claim 3, characterized in that the rear surface of the first connection seat (12) is provided with a damper body assembly (301), the damper body assembly (301) comprising a door frame (31), two door leaves (32), a window (33), a chute (34) and two handles (35);

the rear surface of the first connecting seat (12) is mounted on the front surface of one door leaf (32), and the rear surface of the second connecting seat (15) is mounted on the front surface of the other door leaf (32).

5. A pneumatic control device for mine shafts according to claim 4, characterized in that the two door leaves (32) are hinged symmetrically to the inner side wall of the door frame (31) by hinges, said window (33) being open inside the door leaves (32).

6. A pneumatic control device for a mine damper according to claim 4, characterized in that two of said handles (35) are symmetrically mounted to the front and rear surfaces of two door leaves (32).

7. The pneumatic control device for mine air door according to claim 4, wherein the sliding groove (34) is formed on the front surface of the door frame (31), the sliding seat (16) is slidably connected to the inner side wall of the sliding groove (34), and two ends of the two guide rods (17) are symmetrically and fixedly connected to two sides of the inner wall of the sliding groove (34).

8. A pneumatic control device for mine air doors according to claim 2, characterized in that the two mounting plates (21) are symmetrically mounted on the front and rear surfaces of the two door leaves (32), the driving motor (18) is mounted on one side of the inner wall of the chute (34), and one end of the screw rod (19) is rotatably connected to the other side of the inner wall of the chute (34).