CN220581076U

CN220581076U - Underground ventilation device

Info

Publication number: CN220581076U
Application number: CN202322218340.9U
Authority: CN
Inventors: 侯兆峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-08-17
Filing date: 2023-08-17
Publication date: 2024-03-12
Anticipated expiration: 2033-08-17

Abstract

The utility model discloses an underground ventilation device, relates to the technical field of underground ventilation, and solves the problems that an existing axial flow fan lacks a necessary reminding device, and after the fan stops running, workers cannot be reminded timely, so that the workers cannot quickly evacuate in the first time, and potential safety hazards are increased. A downhole ventilation device, comprising: a base; the base adopts a U-shaped block structure, and the top of the base is provided with a U-shaped groove structure; the top of the base is fixedly provided with an air duct; a group of mounting plates are fixedly arranged on two sides of the top of the base, and the mounting plates are of rectangular plate structures; a connecting shaft is rotatably arranged between the two groups of mounting plates; a baffle is fixedly arranged at the bottom of the connecting shaft; an alarm is fixedly arranged at the top of the right group of mounting plates; the safety of underground construction is greatly improved, the potential safety hazard is reduced, and more guarantees are brought to the life safety of staff.

Description

Underground ventilation device

Technical Field

The utility model belongs to the technical field of underground ventilation, and particularly relates to an underground ventilation device.

Background

When the coal mine is mined, a large amount of gas is generated in the underground, residual gas is in the underground during extraction, and the gas can cause serious injury to staff, so that the underground air exhaust and ventilation is needed, and the underground air ventilation is usually carried out by adopting an axial flow fan at present.

In the process of underground construction, once the fan stops running, people in a blind roadway need to stop working automatically, and the working face is evacuated to the roadway with fresh air flow so as to avoid accidents, but the existing axial flow fan lacks a necessary reminding device, after the fan stops running, the fan cannot be reminded of the staff in time, so that the staff cannot evacuate quickly in the first time, and the potential safety hazard is increased.

Disclosure of Invention

In order to solve the technical problems, the utility model provides an underground ventilation device, which aims to solve the problems that the existing axial flow fan provided in the background technology lacks a necessary reminding device, and after the fan stops running, workers cannot be reminded in time, so that the workers cannot quickly evacuate in the first time, and the potential safety hazard is increased.

The utility model discloses an underground ventilation device, which is characterized by comprising the following specific technical means:

a downhole ventilation device, comprising: a base; the base adopts a U-shaped block structure, and the top of the base is provided with a U-shaped groove structure; the top of the base is fixedly provided with an air duct; a group of mounting plates are fixedly arranged on two sides of the top of the base, and the mounting plates are of rectangular plate structures; a connecting shaft is rotatably arranged between the two groups of mounting plates, the connecting shaft adopts a cylindrical structure, and the left end of the connecting shaft is provided with a rectangular groove structure; a baffle is fixedly arranged at the bottom of the connecting shaft, and the baffle is made of foam board materials; the top fixed mounting of a set of mounting panel in right side is provided with the alarm.

Further, a knob switch is rotatably arranged at the rear side of the alarm, and the knob switch is fixedly connected with the right end of the connecting shaft; the top end of the left group of mounting plates is fixedly provided with a fixing frame, the fixing frame adopts a U-shaped plate structure, and one side of the fixing frame is provided with a penetrating screw hole structure; screw rods are rotatably arranged in screw holes on one side of the fixing frame in a threaded fit manner; one end of the screw rod is rotatably provided with a pin block, the pin block adopts a rectangular block structure, and the outer wall of the pin block is attached to the inner wall of the rectangular groove on one side of the connecting shaft.

Furthermore, the air duct adopts a cylindrical structure, and a protective net structure is fixedly arranged on the inner side of the front end of the air duct; a fan is arranged at the inner side of the air duct; the outer side of the top of the air duct is fixedly provided with a sealing block, the sealing block adopts an arc-shaped block structure, fluorescent liquid materials are filled between the sealing block and the air duct, and two sides of the rear wall of the sealing block are provided with through type circular through groove structures; a sliding rod is arranged in the circular through groove at the rear side of the sealing block in a sliding way, the sliding rod adopts a cylindrical structure, a spring structure is sleeved on the outer side of the sliding rod, and a sealing structure is arranged between the sliding rod and the circular through groove of the sealing block; the front ends of the two groups of sliding rods are fixedly provided with pushing plates, the pushing plates are of arc-shaped plate structures, and the upper ends and the lower ends of the pushing plates are respectively attached to the outer wall of the air duct and the inner wall of the sealing block.

Compared with the prior art, the utility model has the following beneficial effects:

through being provided with base, the mounting panel, the connecting axle, the baffle, the alarm, knob switch, screw rod and round pin piece, after installing work area with the base, after the fan starts, under the effect of wind power, make the baffle drive the connecting axle and rotate, thereby make the baffle upwards lift, and drive the connecting axle rotatory 90, the connecting axle drives knob switch rotatory 90 in step, make the alarm close, therefore when the fan normally starts, can make the alarm keep the state of closing, when the fan closes by oneself because of unexpected reason, lose the limiting displacement to the baffle, drive the connecting axle downwards rotatory 90 under the dead weight effect of baffle, make the alarm open and carry out audible and visual alarm, be convenient for the staff in the present well in time discover the running condition of fan, and in time select maintenance treatment or the evacuation of next step, and then very big improvement the security of construction in the pit, reduce the potential safety hazard, bring more guarantee for staff's life safety.

Through being provided with dryer, sealing block, slide bar and push pedal, when the surface of dryer receives the collision and when breaking appears in the engineering of operation and installation for liquid pigment leaks from breaking the department, and the staff of being convenient for in time discovers and glues the repair, has improved the timeliness of maintaining the maintenance, thereby guarantees the normal operating of this device, has improved the reliability of equipment operation.

Drawings

Fig. 1 is a schematic overall axial view of the present utility model.

Fig. 2 is a schematic diagram of the overall rear view of the present utility model.

Fig. 3 is a schematic diagram of the mounting plate and alarm and the mounting frame of the utility model in a split structure.

FIG. 4 is a schematic diagram of the connection relation between the sealing block and the air duct in the sectional state.

In the figure, the correspondence between the component names and the drawing numbers is:

1. a base; 101. a mounting plate; 102. a connecting shaft; 103. a baffle; 104. an alarm; 105. a knob switch; 106. a fixing frame; 107. a screw; 108. a pin block; 2. an air duct; 201. a blower; 202. a sealing block; 203. a slide bar; 204. a push plate.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples.

Example 1:

as shown in fig. 1 to 4:

the utility model provides a downhole ventilation device, comprising: a base 1; the base 1 adopts a U-shaped block structure, and the top of the base 1 is provided with a U-shaped groove structure; the top of the base 1 is fixedly provided with an air duct 2; a group of mounting plates 101 are fixedly arranged on two sides of the top of the base 1, and the mounting plates 101 are of rectangular plate structures; a connecting shaft 102 is rotatably arranged between the two groups of mounting plates 101, the connecting shaft 102 adopts a cylindrical structure, and the left end of the connecting shaft 102 is provided with a rectangular groove structure; a baffle 103 is fixedly arranged at the bottom of the connecting shaft 102, and the baffle 103 is made of foam board materials; an alarm 104 is fixedly arranged on the top of the right group of mounting plates 101.

The rear side of the alarm 104 is rotatably provided with a knob switch 105, and the knob switch 105 is fixedly connected with the right end of the connecting shaft 102; a fixing frame 106 is fixedly arranged at the top end of the left group of mounting plates 101, the fixing frame 106 adopts a U-shaped plate structure, and a penetrating screw hole structure is formed in one side of the fixing frame 106; screw 107 is rotatably arranged in a screw hole at one side of the fixing frame 106 through screw matching; one end of the screw 107 is rotatably provided with a pin block 108, the pin block 108 adopts a rectangular block structure, and the outer wall of the pin block 108 is attached to the inner wall of the rectangular groove on one side of the connecting shaft 102.

After the base 1 is installed in a working area, the fan 201 is started to perform ventilation, after the fan 201 is started, the pin block 108 is driven to move to one side through the rotary screw 107, the pin block 108 is pulled out of the rectangular groove on one side of the connecting shaft 102, the limiting effect on the connecting shaft 102 is lost, the baffle 103 drives the connecting shaft 102 to rotate under the action of wind force, the baffle 103 is lifted upwards, the connecting shaft 102 is driven to rotate 90 degrees, the connecting shaft 102 synchronously drives the knob switch 105 to rotate 90 degrees, the alarm 104 is closed, therefore, when the fan 201 is started normally, the alarm 104 can be kept in a closed state, when the alarm 104 is required to be kept closed when the fan 201 is not started, the pin block 108 is inserted into the rectangular groove on one side of the connecting shaft 102 through the rotary screw 107, the limit on the connecting shaft 102, the closed state of the alarm 104 can be kept, when the fan 201 is closed by accident, the wind force on the front side of the air drum 2 is caused, the limiting effect on the baffle 103 is lost, the connecting shaft 102 is driven to rotate 90 degrees downwards under the action of the dead weight of the baffle 103, the fan 102 is driven, the current sound and light condition of the alarm 104 is synchronously driven to rotate through the connecting shaft 105, and the alarm is opened by the self weight of the fan 103, so that the current sound and light condition of the alarm is convenient for people can be found.

Example 2:

on the basis of the embodiment 1, as shown in fig. 1 to fig. 4:

wherein, the air duct 2 adopts a cylindrical structure, and the inner side of the front end of the air duct 2 is fixedly provided with a protective net structure; a fan 201 is arranged on the inner side of the air duct 2; the outer side of the top of the air duct 2 is fixedly provided with a sealing block 202, the sealing block 202 adopts an arc-shaped block structure, fluorescent liquid materials are filled between the sealing block 202 and the air duct 2, and two sides of the rear wall of the sealing block 202 are provided with through type circular through groove structures; a sliding rod 203 is arranged in the circular through groove at the rear side of the sealing block 202 in a sliding way, the sliding rod 203 adopts a cylindrical structure, a spring structure is sleeved on the outer side of the sliding rod 203, and a sealing structure is arranged between the sliding rod 203 and the circular through groove of the sealing block 202; the front ends of the two groups of sliding rods 203 are fixedly provided with push plates 204, the push plates 204 are of arc-shaped plate structures, and the upper end and the lower end of each push plate 204 are respectively attached to the outer wall of the air duct 2 and the inner wall of the sealing block 202.

When the surface of the air duct 2 is bumped in the operation and installation engineering to break, under the action of the spring at the outer side of the sliding rod 203, the pushing plate 204 presses the fluorescent liquid pigment between the sealing block 202 and the air duct 2, so that the liquid pigment leaks from the breaking part, and a worker can find out and repair the fluorescent liquid pigment in time.

Specific use and action of the embodiment:

in the utility model, after the base 1 is installed in a working area, the fan 201 is started to perform ventilation, after the fan 201 is started, the pin block 108 is driven to move to one side by rotating the screw 107, so that the pin block 108 is pulled out of a rectangular groove on one side of the connecting shaft 102, the limiting effect on the connecting shaft 102 is lost, under the action of wind force, the baffle 103 drives the connecting shaft 102 to rotate, so that the baffle 103 is lifted upwards, the connecting shaft 102 is driven to rotate 90 degrees, the connecting shaft 102 synchronously drives the knob switch 105 to rotate 90 degrees, so that the alarm 104 is closed, therefore, when the fan 201 is started normally, the alarm 104 can be kept in a closed state, when the fan 201 is not started, the alarm 104 is required to be kept closed, the pin block 108 is inserted into the rectangular groove on one side of the connecting shaft 102 by rotating the screw 107, the connecting shaft 102 is limited, so that the closed state of the alarm 104 can be kept, when the fan 201 is closed by accident, the wind force on the front side of the baffle 2 disappears, the limiting effect on the baffle 103 is lost, the connecting shaft 102 is driven to rotate 90 degrees downwards under the self weight of the baffle 103, so that the fan 102 is driven to rotate 90 degrees, the alarm 104 is driven to rotate through the connecting shaft 105, the knob switch 105 or the alarm is evacuated, the current situation is timely, and the alarm is discovered, and the user can be timely to work and timely started by the user to take the alarm has to take the alarm by the alarm when the alarm is evacuated; when the surface of the air duct 2 is bumped in the operation and installation engineering to break, under the action of the spring at the outer side of the sliding rod 203, the pushing plate 204 presses the fluorescent liquid pigment between the sealing block 202 and the air duct 2, so that the liquid pigment leaks from the breaking part, and a worker can find out and repair the fluorescent liquid pigment in time.

Claims

1. A downhole ventilation device, comprising: a base (1); the base (1) adopts a U-shaped block structure, and a U-shaped groove structure is formed in the top of the base (1); an air duct (2) is fixedly arranged at the top of the base (1); a group of mounting plates (101) are fixedly arranged on two sides of the top of the base (1), and the mounting plates (101) are of rectangular plate structures; a connecting shaft (102) is rotatably arranged between the two groups of mounting plates (101), the connecting shaft (102) adopts a cylindrical structure, and the left end of the connecting shaft (102) is provided with a rectangular groove structure; a baffle (103) is fixedly arranged at the bottom of the connecting shaft (102), and the baffle (103) is made of foam board materials; the top of the right group of mounting plates (101) is fixedly provided with an alarm (104).

2. A downhole ventilation device as claimed in claim 1, wherein: a knob switch (105) is rotatably arranged at the rear side of the alarm (104), and the knob switch (105) is fixedly connected with the right end of the connecting shaft (102); the top of a group of mounting plates (101) on the left side is fixedly provided with a fixing frame (106), and the fixing frame (106) adopts a U-shaped plate structure, and one side of the fixing frame (106) is provided with a penetrating screw hole structure.

3. A downhole ventilation device as claimed in claim 2, wherein: screw rods (107) are rotatably arranged in screw holes on one side of the fixing frame (106) through threaded fit; one end of the screw rod (107) is rotatably provided with a pin block (108), the pin block (108) adopts a rectangular block structure, and the outer wall of the pin block (108) is attached to the inner wall of the rectangular groove on one side of the connecting shaft (102).

4. A downhole ventilation device as claimed in claim 1, wherein: the air duct (2) adopts a cylindrical structure, and a protective net structure is fixedly arranged on the inner side of the front end of the air duct (2); the inner side of the air duct (2) is provided with a fan (201).

5. A downhole ventilation device as claimed in claim 4, wherein: sealing blocks (202) are fixedly arranged on the outer side of the top of the air duct (2), the sealing blocks (202) are of arc-shaped block structures, fluorescent liquid materials are filled between the sealing blocks (202) and the air duct (2), and penetrating circular through groove structures are formed in two sides of the rear wall of the sealing blocks (202).

6. A downhole ventilation device as claimed in claim 5, wherein: a sliding rod (203) is arranged in the circular through groove at the rear side of the sealing block (202) in a sliding way, the sliding rod (203) adopts a cylindrical structure, a spring structure is sleeved on the outer side of the sliding rod (203), and a sealing structure is arranged between the sliding rod (203) and the circular through groove of the sealing block (202); the front ends of the two groups of sliding rods (203) are fixedly provided with pushing plates (204), the pushing plates (204) are of arc plate structures, and the upper end and the lower end of each pushing plate (204) are respectively attached to the outer wall of the air duct (2) and the inner wall of the sealing block (202).