CN111173552B

CN111173552B - Colliery is safety device against wind

Info

Publication number: CN111173552B
Application number: CN202010000545.8A
Authority: CN
Inventors: 李利峰; 邓慧琳; 张晓虎; 韩六平; 李密
Original assignee: Guizhou University of Engineering Science
Current assignee: Guizhou University of Engineering Science
Priority date: 2020-01-02
Filing date: 2020-01-02
Publication date: 2021-07-06
Anticipated expiration: 2040-01-02
Also published as: CN111173552A

Abstract

The invention discloses a coal mine windproof device which comprises a rotating motor, wherein a power output shaft of the rotating motor faces downwards, a rotating motor body is arranged inside a groove formed in the upper surface of a roadway, the periphery of the rotating motor is fixedly connected with the upper surface of the roadway through bolts, a rotating door is connected below the power output shaft, the rotating door is in a circular ring shape with a notch on the side surface, the angle of a fan-shaped opening with the center of the circle of the rotating door as the center of the notch is 90 degrees, a connecting ring with internal threads is welded above the rotating door, and the connecting ring is screwed into the interior of the rotating door through external threads below the power output shaft and is connected and fixed with the power output shaft. The device can avoid the wind leakage or the short circuit phenomenon of the wind current that the door appears are prevented wind to the tradition, and the power take off source directly links the wind-proof equipment, and the transmission is reliable and more stable, and the installation area occupied in the tunnel is also less.

Description

Colliery is safety device against wind

Technical Field

The invention relates to the technical field of underground wind-proof equipment, in particular to a coal mine wind-proof device.

Background

Prevent wind the door and can cut off the distinguished and admirable in the pit in the colliery, again can the important equipment of current vehicle pedestrian, its main realization is to the distinguished and admirable control in the pit, and prevent wind the door in the pit in the colliery and require to arrange two doors at least, prevent wind the condition that the door closed one, just can realize opening of another door, two doors can not open simultaneously promptly, otherwise lead to leaking out or distinguished and admirable short circuit, influence mine ventilation system, among the prior art, prevent wind the purpose that the door can not open simultaneously in order to realize two, adopt interactive mechanical interlocking setting usually, prevent wind the door when opening the state when one, another prevent wind the door and be in the closed condition, in the interlock design, mostly adopt pulley and locker to realize the interlocking, this kind of structure is in the in-service use, mainly there are following problems: the pulley and the locker are adopted to carry out interactive interlocking on the two windproof doors, the structure is complex, the reliability is poor, and the device is frequently maintained and replaced; adopt pulley and locker to prevent wind the door to two and carry out interactive interlocking, its structure is mostly set up in preventing wind the door top, occupies underworkings space, causes hindrance and interference to the tunnelling exploitation and transportation etc. in colliery.

The invention patent No. 201810665638.5 discloses a colliery wind-proof device, including being on a parallel with the first air door and the second air door of colliery passageway cross-section, the device is though occupying the tunnel space in the pit few, but adopted multiunit drive mechanism between power take off and the input, the power output of two doors is taken into account to a power output source, the transmission effect is reliable and stable inadequately, and two prevent wind door alternating in-process, the common gap of short duration appears easily in addition, lead to leaking wind or the short circuit of distinguished and admirable.

Disclosure of Invention

The invention aims to provide a coal mine windproof device which can avoid the phenomenon of air leakage or short circuit of wind current of a traditional windproof door, a power output source is directly connected with windproof equipment, the transmission is more stable and reliable, and the installation occupied area in a roadway is small.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows:

a coal mine windproof device comprises a rotating motor, wherein a power output shaft of the rotating motor faces downwards, a rotating motor body is arranged in a groove through the upper surface of a roadway in a slotted mode, the periphery of the rotating motor is fixedly connected with the upper surface of the roadway through bolts, a rotating door is connected below the power output shaft and is in a ring shape with a notch formed in the side surface, the angle of a fan-shaped opening with the center of the rotating door as the center is 90 degrees, a connecting ring with an internal thread is welded above the rotating door, the connecting ring is screwed in the power output shaft through an external thread below the power output shaft and is fixedly connected with the power output shaft, a bottom mounting plate is arranged below the rotating door, a circular sliding groove matched with the bottom end of the rotating door in a shape is formed in the bottom mounting plate, and side stabilizing grooves are formed in the two sides of the rotating door, the side stable trough about embedding the tunnel through opening the recess internal fixation, the side stable trough all be equipped with a baffle for horizontal concave shape and top and below, two installation through-holes around wherein two baffles correspond the position punishment and do not being equipped with, two upper and lower baffles between be equipped with two vertical pivots, vertical pivot install at the side stable trough inside through upper and lower installation through-hole, vertical pivot be located the rotation door left and right sides front and back cambered surface position department respectively for supplementary revolving door rotates and improves the stable security of revolving door pivoted.

Furthermore, the rotating motor is externally connected with a control panel through a line wire, and the control panel at least comprises a rotating motor start-stop button and a rotating time timing button.

Furthermore, a sealing sleeve is sleeved on the periphery of the vertical rotating shaft and used for filling a gap between the vertical rotating shaft and the rotating door.

Furthermore, the surface of one side of the side stabilizing slot, which is close to the rotating door, is processed into an arc-shaped surface which is folded inwards and is not contacted with the rotating door.

Furthermore, the bottom mounting plate is fixedly mounted on the lower surface of the roadway through an earth-entering bolt.

Furthermore, an anti-slip gasket is additionally arranged between the upper part of the connecting ring and the rotating motor.

Compared with the prior art, the invention has the following beneficial effects:

according to the windproof door, through a unique rotating door structure, only one rotating door is arranged, the windproof effect can be realized, one end is always kept as a closed surface, and the phenomenon of air leakage or short circuit of wind current of the traditional windproof door is avoided; the power output shaft of the rotating motor is directly connected with the rotating door in a transmission way and is combined with the side stabilizing grooves on the two sides to ensure the stability and safety of the rotating door in the rotating opening and closing process; the rotary motor and the side stabilizing grooves are arranged in the surface of the roadway through the surface grooves of the roadway, so that the working area of the roadway is not occupied, and the normal operation of related underground work is ensured.

Drawings

FIG. 1 is a schematic view of the present invention showing the whole structure disassembled;

FIG. 2 is a schematic view of the side stabilizing slot of the present invention in a disassembled configuration;

in the figure: 1. rotating the motor; 2. an anti-slip washer; 3. a power take-off shaft; 4. a connecting ring; 5. a circular sliding groove; 6. a rotating door; 7. a bottom mounting plate; 8. a lateral stabilization groove; 9. a control panel; 10. a baffle plate; 11. mounting a through hole; 12. a vertical rotating shaft; 13. the sleeve is sealed.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with reference to the specific drawings.

As shown in figures 1 and 2, the coal mine windproof device comprises a rotating motor 1, a power output shaft 3 of the rotating motor 1 faces downwards, a body of the rotating motor 1 is installed inside a groove through the groove formed in the upper surface of a roadway, the periphery of the rotating motor 1 is fixedly connected with the upper surface of the roadway through bolts, a rotating door 6 is connected below the power output shaft 3, the rotating door 6 is in a ring shape with a notch on the side surface, the angle of a fan-shaped opening with the center of the rotating door 6 as the center is 90 degrees, a connecting ring 4 with internal threads is welded above the rotating door 6, the connecting ring 4 is screwed into the interior through external threads below the power output shaft 3 and is fixedly connected with the power output shaft 3, a bottom mounting plate 7 is arranged below the rotating door 6, an annular sliding groove 5 matched with the bottom end shape of the rotating door 6 is arranged on the bottom mounting plate, the side stabilizing groove 8 is embedded into the left surface and the right surface of a roadway through a groove for fixation, the side stabilizing groove 8 is in a transverse concave shape, a baffle plate 10 is arranged above and below the side stabilizing groove, a front mounting through hole 11 and a rear mounting through hole 11 are respectively arranged at the corresponding positions of an upper baffle plate 10 and a lower baffle plate 10, two vertical rotating shafts 12 are arranged between the upper baffle plate 10 and the lower baffle plate 10, the vertical rotating shafts 12 are mounted inside the side stabilizing groove 8 through the upper mounting through holes 11 and the lower mounting through holes 11, the vertical rotating shafts 12 are respectively positioned at the front cambered surface and the rear cambered surface at the left side and the right side of the rotating door 6 and are used for assisting the rotating door 6 to rotate and improving the rotating safety of the rotating door 6, the rotating motor 1 is externally connected with a control panel 9 through a circuit wiring, the control panel 9 at least comprises a rotating, the side surface of the side stabilizing groove 8 close to the rotating door 6 is processed into an arc surface which is folded inwards and is not contacted with the rotating door 6, the bottom mounting plate 7 is fixedly mounted on the lower surface of a roadway through a ground bolt, and an anti-slip gasket 2 is additionally arranged between the upper part of the connecting ring 4 and the rotating motor 1.

During actual installation and use, the upper surface and the left and right side surfaces of a roadway are provided with grooves, components such as a rotating motor 1 and a side stabilizing groove 8 are respectively installed, meanwhile, a bottom installation plate 7 is installed through a ground bolt, a rotating door 6 is embedded into a circular sliding groove 5 in a sliding mode, the upper portion of the rotating door 6 is directly fixed with a power output shaft 3 of the rotating motor 1 through a connecting ring 4, and rotating power is transmitted, during use, the rotating motor 1 is controlled to start, stop, start and stop, timing and the like through a control panel 9, during operation, the rotating motor 1 drives the rotating door 6 to rotate, when a notch is located in front of the rotating door 6, the front windproof door in the traditional windproof equipment is opened, at the moment, the rear is in a closed state, the rotating door 6 continues to rotate, the notch gradually disappears, when the notch appears from the rear position of the rotating door 6, the front position of the rotating door 6, this represents the opening of the rear wind doors in conventional wind protection installations, simulating the operation of the ventilation system.

The foregoing shows and describes the general principles and features of the present invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A colliery is wind-proof device in pit which characterized in that: including rotating the motor, the downward just rotation motor power output shaft of rotation motor install inside the fluting through surface open groove on the tunnel, rotation motor all around through bolt and tunnel upper surface fixed connection, power output shaft below be connected with the turnstile, the turnstile for the side open jagged ring shape, the breach use the turnstile centre of a circle as the fan-shaped opening angle of center 90 degrees, turnstile top welding have an internal screw thread go-between, the go-between pass through the external screw thread screw in inside of power output shaft below fixed with power output shaft connection, turnstile below be equipped with the bottom mounting panel, the bottom mounting panel on be equipped with the ring shape sliding tray that matches with the bottom shape of turnstile, the turnstile both sides all be equipped with a side stability groove, the side stability groove through opening the recess embedding tunnel left and right sides internal fixation, the side stabilizing groove is in a transverse concave shape, a baffle is arranged above and below the side stabilizing groove, a front mounting through hole and a rear mounting through hole are respectively arranged at positions corresponding to an upper baffle and a lower baffle, two vertical rotating shafts are arranged between the upper baffle and the lower baffle and are mounted in the side stabilizing groove through the upper mounting through hole and the lower mounting through hole, the vertical rotating shafts are respectively positioned at positions of front cambered surfaces and rear cambered surfaces at the left side and the right side of the rotating door and are used for assisting the rotating door to rotate and improving the rotating stability and safety of the rotating door, the rotating motor is externally connected with a control panel through a circuit wiring, the control panel at least comprises a rotating motor starting and stopping button and a rotating time timing button, a sealing sleeve is sleeved at the periphery of the vertical rotating shafts and is used for filling a gap between the vertical rotating shaft and the rotating door, the side stabilizing groove is processed into an inward folded cambered surface and does not, the bottom mounting plate is fixedly mounted on the lower surface of the roadway through a ground bolt, and an anti-slip gasket is additionally arranged between the upper part of the connecting ring and the rotating motor.