CN216477470U

CN216477470U - Mining airtight door

Info

Publication number: CN216477470U
Application number: CN202122900412.9U
Authority: CN
Inventors: 罗胜; 董明; 徐辉; 王秀江
Original assignee: Taiping Coal Mine Of Sichuan Chuanmei Huarong Energy Co ltd
Current assignee: Taiping Coal Mine Of Sichuan Chuanmei Huarong Energy Co ltd
Priority date: 2021-11-24
Filing date: 2021-11-24
Publication date: 2022-05-10
Anticipated expiration: 2031-11-24

Abstract

The utility model relates to the field of mining equipment, and discloses a mining airtight door. The manual control system comprises an oil tank, a manual pump, a manual four-way reversing valve and a manual pressure relief valve, wherein a door opening and closing oil inlet pipeline and a door opening and closing oil return pipe are connected with the oil tank through the manual pressure relief valve; the manual four-way reversing valve comprises an oil inlet, an oil return port, a first working oil port and a second working oil port, the oil inlet of the manual four-way reversing valve is connected with the oil tank through a manual pump, the oil return port of the manual four-way reversing valve is connected with the oil tank, the first working oil port is connected with a locking oil inlet pipeline, and the second working oil port is connected with a locking oil return pipeline. The hydraulic cylinders of the door opening and closing mechanism and the locking mechanism can be respectively controlled by the remote control system and the independent manual pump to supply oil and return oil, and even if the remote control system fails to control, the hydraulic cylinders of the door opening and closing mechanism and the locking mechanism can be controlled by the independent manual pump to move, so that the manual control of the sealed door is realized.

Description

Mining airtight door

Technical Field

The utility model relates to the field of mining equipment, in particular to a mining airtight door.

Background

The coal mine safety regulation requires that a mine threatened by flood is provided with a waterproof sealing door which is used for a passage of a main power substation and a main drainage pump room in a well to a bottom yard and is easy to close so as to prevent water from suddenly invading. The closed door remote control device can realize opening and closing the door on the spot, also can remotely send an instruction to close the closed door when a flood occurs through real-time monitoring, reduces the operation investment of personnel, and increases the safety of coal mine management.

Airtight door still need realize its locking inclosed except that the switching needs to be realized, and patent application for CN202900324U discloses a refuge chamber airtight door in pit, and it includes the door body, door frame, pivot and hand wheel as bulletin number, the door body articulates on the door frame, the pivot pass through the bearing with door body swing joint, the hand wheel is fixed the both ends of pivot still include drive gear, driven gear, connecting rod and locking claw, drive gear is fixed in the pivot, drive gear with driven gear meshes, driven gear pass through the driven shaft with door body swing joint, driven gear with the connecting rod is articulated, the connecting rod with the locking claw is articulated, the locking claw pass through the rotation axis with door body swing joint. This technical scheme mainly comprises drive gear, driven shaft, connecting rod and locking claw locking mechanism, can utilize the connecting rod drive locking claw rotatory entering trapezoidal lock chamber, and the locking claw slides along the inclined plane in trapezoidal lock chamber, drives whole door body and compresses tightly, realizes sealedly.

The manual opening and closing of the sealed door usually needs no door opening and closing mechanism, and the sealed door can be opened and closed manually, but the remote control sealed door needs the door opening and closing mechanism to drive the door to be closed and opened. For example, patent application with publication number CN203547795U discloses a mine waterproof airtight door capable of being remotely controlled, which has the technical scheme that: the driving explosion-proof motor and the locking explosion-proof motor are respectively connected with the driving device hydraulic cylinder and the locking device hydraulic cylinder, the main controller is respectively connected with the driving explosion-proof motor and the locking explosion-proof motor through cables, the front end of a push rod of the driving device hydraulic cylinder is connected with the door leaf, the front end of the push rod of the locking device hydraulic cylinder is opposite to the edge of the door leaf, and the main controller is connected with the ground monitoring host. The utility model discloses an in promote closing and opening of door leaf through remote control drive arrangement pneumatic cylinder, the locking of door leaf is realized to control locking device pneumatic cylinder, in daily production process, waterproof airtight door need not special messenger on duty, during the emergence accident, can in time close or open waterproof airtight door through main control unit by ground monitoring host computer, avoid rivers to stretch the loss that causes production and personnel. The utility model discloses a can also implement manual control, start main control unit 10 through manual control button 12 and open and close door leaf 1 and lock the operation such as, operation process is the same with remote control.

Like the utility model discloses a, in current mining airtight door that can remote control, except automatic control, have manual control usually, can realize opening and closing of airtight door manually, however, its manual control still is based on remote control system, for example through button, computer operation etc. send control command, utilize remote control system to realize manual control, and in case control system's circuit or signal breaks down, then neither manual control nor automatic control can become invalid.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing a mining airtight door which is provided with a more reliable manual control system and can prevent automatic control from failing to realize manual control.

The utility model discloses a mining airtight door, which comprises a door body, a door opening and closing mechanism, a locking mechanism, a remote control system and a manual control system, wherein the door opening and closing mechanism comprises a door opening and closing hydraulic cylinder for driving the door body to open and close;

the remote control system is provided with a hydraulic station, the hydraulic station is connected with a first oil supply pipeline, a first oil return pipeline, a second oil supply pipeline and a second oil return pipeline, the first oil supply pipeline is connected with a door opening and closing oil inlet pipeline, the first oil return pipeline is connected with a door opening and closing oil return pipeline, the second oil supply pipeline is connected with a locking oil inlet pipeline, the second oil return pipeline is connected with a locking oil return pipeline,

the manual control system comprises an oil tank, a manual pump, a manual four-way reversing valve and a manual pressure relief valve, and the door opening and closing oil inlet pipeline and the door opening and closing oil return pipe are connected with the oil tank through the manual pressure relief valve;

the manual four-way reversing valve comprises an oil inlet, an oil return port, a first working oil port and a second working oil port, the oil inlet of the manual four-way reversing valve is connected with an oil tank through a manual pump, the oil return port of the manual four-way reversing valve is connected with the oil tank, the first working oil port is connected with a locking oil inlet pipeline, and the second working oil port is connected with a locking oil return pipeline.

Preferably, a double hydraulic control check valve is further arranged between the locking hydraulic cylinder and the manual four-way reversing valve, the double hydraulic control check valve is provided with two groups of corresponding hydraulic control check valves, one group of hydraulic control check valves is connected between the first working oil port and the locking oil inlet pipeline, and the other group of hydraulic control check valves is connected between the second working oil port and the locking oil return pipeline.

Preferably, the locking mechanism further comprises a connecting rod, a locking pin and a locking portion, the locking hydraulic cylinder is mounted on the door body, the connecting rod is hinged to the locking hydraulic cylinder, the inner end of the locking pin is hinged to the connecting rod, the middle portion of the locking pin is hinged to the door body through a hinge shaft, the locking portion is arranged on a door frame of the door body in a position corresponding to the locking pin, and a locking inclined surface is arranged at the outer end of the locking portion corresponding to the locking pin.

Preferably, the outer end of the hinge shaft in the middle of the locking pin is provided with a limiting part, the locking pin is hinged between the door body and the limiting part, the locking pin is sleeved with a spring pad, and the spring pad is located between the locking pin and the limiting part.

Preferably, the locking mechanisms are arranged on two sides of the door body, the locking oil inlet pipelines of the locking mechanisms on the two sides are connected with a first working oil port of the manual four-way reversing valve, and the locking oil return pipelines of the locking mechanisms on the two sides are connected with a second working oil port of the manual four-way reversing valve.

Preferably, a wall structure on the side face of the door body is provided with an installation cavity of the door opening and closing hydraulic cylinder, one end of the door opening and closing hydraulic cylinder is hinged in the installation cavity, and the other end of the door opening and closing hydraulic cylinder is hinged with the door body.

Preferably, the remote control system further comprises a computer, a camera, a switch, a main controller, a mining converter and a control button, the camera is arranged at the position corresponding to the door body, the camera is connected with the computer through the switch, the main controller is connected with the hydraulic station through the converter, and the control button is connected with the main controller.

Preferably, a door closing in-place sensor is further arranged on a door frame of the door body, and the door closing in-place sensor is connected with the main controller.

The utility model has the beneficial effects that: in the mining airtight door, the hydraulic cylinders of the door opening and closing mechanism and the locking mechanism can be respectively controlled by the remote control system and the independent manual pump to supply and return oil, so that even if the remote control system has control faults due to the problems of circuits, networks and the like, the hydraulic cylinders of the door opening and closing mechanism and the locking mechanism can be controlled by the independent manual pump to move, and the manual control of the airtight door is realized; in addition, the manual control system and the remote control system share the hydraulic cylinder, and the structure can be greatly simplified on the basis of realizing the manual mechanical control of the sealed door. The mining airtight door is mainly used as a waterproof airtight door, and can also be used as an airtight door at other positions such as a refuge chamber.

Drawings

Fig. 1 is a schematic structural diagram of a mining airtight door in an embodiment of the utility model;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

FIG. 3 is a cross-sectional view B-B of FIG. 1;

FIG. 4 is an enlarged view at C of FIG. 3;

FIG. 5 is a schematic illustration of the hydraulic system of the present invention;

fig. 6 is a schematic diagram of a remote control system in an embodiment of the present invention.

Reference numerals: the door body 1, a door frame 101, a door opening and closing hydraulic cylinder 201, a door opening and closing oil inlet pipeline 2011, a door opening and closing oil return pipeline 2012, an installation cavity 202, a locking hydraulic cylinder 301, a locking oil inlet pipeline 3011, a locking oil return pipeline 3012, a connecting rod 302, a locking pin 303, a locking part 304, a hinge shaft 305, a limiting part 306, a spring pad 307, a spring 308, a hydraulic station 401, a first oil supply pipeline 4011, a first oil return pipeline 4012, a second oil supply pipeline 4013, a second oil return pipeline 4014, a door closing in-place sensor 402, an oil tank 501, a manual pump 502, a manual four-way reversing valve 503, a manual pressure release valve 504 and a double-hydraulic control one-way valve 505.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

As shown in fig. 1 and 5, the mining airtight door of the present invention includes a door body 1, a door opening and closing mechanism, a locking mechanism, a remote control system and a manual control system, wherein the door opening and closing mechanism includes a door opening and closing hydraulic cylinder 201 for driving the door body 1 to open and close, the locking mechanism includes a locking hydraulic cylinder 301 for driving the door body 1 to lock, the door opening and closing hydraulic cylinder 201 is provided with a door opening and closing oil inlet pipeline 2011 and a door opening and closing oil return pipeline 2012, and the locking hydraulic cylinder 301 is provided with a locking oil inlet pipeline 3011 and a locking oil return pipeline 3012;

the remote control system is provided with a hydraulic station 401, the hydraulic station 401 is connected with a first oil supply pipeline 4011, a first oil return pipeline 4012, a second oil supply pipeline 4013 and a second oil return pipeline 4014, the first oil supply pipeline 4011 is connected with a door opening and closing oil inlet pipeline 2011, the first oil return pipeline 4012 is connected with a door opening and closing oil return pipeline 2012, the second oil supply pipeline 4013 is connected with a locking oil inlet pipeline 3011, and the second oil return pipeline 4014 is connected with a locking oil return pipeline 3012; the manual control system comprises an oil tank 501, a manual pump 502, a manual four-way reversing valve 503 and a manual pressure relief valve 504, and the door opening and closing oil inlet pipeline 2011 and the door opening and closing oil return pipe are connected with the oil tank 501 through the manual pressure relief valve 504;

the manual four-way reversing valve 503 includes an oil inlet, an oil return port, a first working oil port and a second working oil port, and these four oil ports are oil ports of the existing four-way reversing valve 503. An oil inlet of the manual four-way reversing valve 503 is connected with the oil tank 501 through a manual pump 502, an oil return port of the manual four-way reversing valve 503 is connected with the oil tank 501, a first working oil port is connected with a locking oil inlet pipeline 3011, and a second working oil port is connected with a locking oil return pipeline 3012.

The door opening and closing mechanism, the locking mechanism and the remote control system of the present invention can all adopt the prior art, but need to be mechanisms or systems driven by hydraulic cylinders, for example, the door opening and closing mechanism and the locking mechanism can all adopt the corresponding mechanisms of the waterproof airtight door described in the background art, and the remote controllers of the hydraulic station 401 and the hydraulic station 401 which can be remotely controlled are more common hydraulic control technologies, for example, the hydraulic cylinder controlled by an explosion-proof motor in the background art is the hydraulic station 401 which can be remotely controlled.

As shown in fig. 1 and fig. 5, when the door is closed in the remote control mode, the remote control system controls the hydraulic station 401 to supply oil from the first oil supply pipeline 4011 and return oil from the first oil return pipeline 4012, so that the door opening and closing hydraulic cylinder 201 extends to close the door body 1; and then the remote control system controls the hydraulic station 401 to supply oil from the second oil supply pipeline 4013 and return oil from the second oil return pipeline 4014, so that the locking hydraulic cylinder 301 extends to realize locking of the closed door. When the door is closed in the remote control mode, the hydraulic station 401 is controlled through the remote control system, hydraulic oil is supplied from the second oil return pipeline 4014 and returns from the second oil supply pipeline 4013, the locking hydraulic cylinder 301 contracts, and the locking of the door body 1 is released; then the remote control system controls the hydraulic station 401, so that hydraulic oil is supplied from the first oil return pipeline 4012 and returned from the first oil supply pipeline 4011, the door opening and closing hydraulic cylinder 201 contracts, and the door body 1 is opened.

During local manual control, the manual pressure relief valve 504 is opened to relieve the pressure of the door opening and closing hydraulic cylinder 201, hydraulic oil can flow back into the oil tank 501, and at the moment, the door body 1 can be manually opened or closed. When the door body 1 is manually closed, the door body 1 is manually closed in place, then the manual four-way reversing valve 503 is adjusted to enable the oil inlet to be communicated with the first working oil port, the oil return port is communicated with the second working oil port, hydraulic oil can be pumped out of the oil tank 501 through the manual hand pump 502, enters the locking oil inlet pipeline 3011 through the manual four-way reversing valve 503 to supply oil to the locking hydraulic cylinder 301, meanwhile, the locking hydraulic cylinder 301 sequentially passes through the locking oil return pipeline 3012 and returns oil to the oil tank 501 through the manual four-way reversing valve 503, and therefore the locking hydraulic cylinder 301 is driven to extend, and locking of the sealed door is achieved. When the door is opened manually, the manual four-way reversing valve 503 is adjusted to enable the oil inlet to be communicated with the second working oil port, the oil return port is communicated with the first working oil port, hydraulic oil can be pumped out from the oil tank 501 by the manual pump 502, enters the locking oil return pipeline 3012 through the manual four-way reversing valve 503 to supply oil to the locking hydraulic cylinder 301, meanwhile, the locking hydraulic cylinder 301 sequentially passes through the locking oil supply pipeline and the manual four-way reversing valve 503 to return oil to the oil tank 501, the locking hydraulic cylinder 301 is driven to extend and retract, locking of the sealed door is released, and the sealed door can be opened manually after locking of the sealed door is released.

The manual four-way reversing valve 503 may be a manual two-position four-way reversing valve or a three-position four-way reversing valve, preferably the latter, for example, a Y-type three-position four-way reversing valve is used in the embodiment of fig. 5, and the manual pump 502 may be a conventional hydraulic manual pump 502. Manual pressure relief valve 504 may be implemented as an on-off valve or as a two-position four-way valve as shown in fig. 5 having a closed position and a three-way connection position. As shown in fig. 5, since the pipeline of the manual control system and the pipeline of the remote control system are connected to the door opening and closing hydraulic cylinder 201 and the locking hydraulic cylinder 301, a tee joint is required at a corresponding position to facilitate the connection of the pipelines. For ease of management and operation, the components within the dashed box of fig. 5 may be integrated into the same frame or housing.

In order to ensure the stability of the locked door body 1, a double hydraulic control check valve 505 is further arranged between the locking hydraulic cylinder 301 and the manual four-way reversing valve 503, the double hydraulic control check valve 505 is provided with two sets of corresponding hydraulic control check valves, one set of hydraulic control check valve is connected between the first working oil port and the locking oil inlet pipeline 3011, and the other set of hydraulic control check valve is connected to the second working oil port and the locking oil return pipeline 3012. The double hydraulic control one-way valve 505 is also called a hydraulic lock and is formed by combining 2 hydraulic control one-way valves, so that the pressure maintaining effect can be realized, and the position of the hydraulic cylinder can be locked.

The locking mechanism can be various existing locking mechanisms driven by hydraulic cylinders, for example, in the embodiment shown in fig. 1-4, the locking mechanism further comprises a connecting rod 302, a locking pin 303 and a locking portion 304, the locking hydraulic cylinder 301 is mounted on the door body 1, the connecting rod 302 is hinged to the locking hydraulic cylinder 301, the inner end of the locking pin 303 is hinged to the connecting rod 302, the middle portion of the locking pin 303 is hinged to the door body 1 through a hinge shaft 305, the locking portion 304 is arranged on the door frame 101 of the door body 1 corresponding to the locking pin 303, and the locking portion 304 is provided with a locking inclined surface corresponding to the outer end of the locking pin 303. The locking portion 304 may specifically take the form of, for example, a trapezoidal lock cavity, a wedge, etc. After the door is closed to a proper position, the locking hydraulic cylinder 301 drives the connecting rod 302 to move, so that the locking pin 303 connected with the connecting rod 302 rotates, the outer end of the locking pin 303 rotates to the locking part 304 on the door frame 101 and moves relatively along the locking inclined plane, and sealing and locking of the door body 1 are realized. When the door needs to be opened, the locking hydraulic cylinder 301 reversely drives the connecting rod 302 to move, the locking pin 303 reversely rotates, the outer end of the locking pin 303 rotates out, the locking pin is separated from the locking part 304, and unlocking is achieved.

In order to reduce the friction between the outer end of the locking pin 303 and the locking inclined surface, the outer end of the locking pin 303 may be provided with a bearing, a sleeve, or other rotatable structures, and the outer end of the locking pin 303 rolls on the locking inclined surface. In order to prevent the outer end of the locking pin 303 from colliding with the locking inclined surface, as shown in fig. 4, a limiting member 306 is disposed at the outer end of the hinge shaft 305 in the middle of the locking pin 303, the locking pin 303 is hinged between the door body 1 and the limiting member 306, a spring pad 307 is sleeved on the locking pin 303, and the spring pad 307 is located between the locking pin 303 and the limiting member 306. The spring pad 307 may provide a cushioning effect when the locking pin 303 contacts the locking ramp, and a spring 308 may be disposed on the opposite side of the spring pad 307 to allow the locking pin 303 to abut against the spring pad 307. The limiting member 306 may be a nut or a ring.

In order to ensure the sealing of the door body 1, the locking mechanisms may be disposed on both sides of the door body 1, the locking oil inlet pipelines 3011 of the locking mechanisms on both sides are connected to the first working oil port of the manual four-way reversing valve 503, and the locking oil return pipelines 3012 of the locking mechanisms on both sides are connected to the second working oil port of the manual four-way reversing valve 503. During specific connection, a tee joint can be adopted to realize connection, so that the locking hydraulic cylinder 301 can be controlled through the manual control system, and locking and unlocking of the airtight door are realized.

As for the door opening and closing mechanism, theoretically, the door opening and closing mechanism can be driven by hydraulic pressure, and in a preferred embodiment as shown in fig. 2, an installation cavity 202 of a door opening and closing hydraulic cylinder 201 is arranged on a wall structure on the side surface of the door body 1, one end of the door opening and closing hydraulic cylinder 201 is hinged in the installation cavity 202, and the other end of the door opening and closing hydraulic cylinder 201 is hinged with the door body 1.

The remote control system theoretically also can be as long as adopt hydraulic drive's remote control system all, in the preferred embodiment of this application, remote control system still includes computer, appearance, switch, main control unit, mining converter and control button of making a video recording, the appearance of making a video recording corresponds the setting of door body 1 place position, the appearance of making a video recording is connected with the computer through the switch, main control unit passes through the switch and is connected with the computer, main control unit passes through the converter and is connected with hydraulic pressure station 401, control button is connected with main control unit. The camera can adopt video signals of the position of the closed door and transmits the video signals to the computer through the switch, the computer comprises a host, a display, a keyboard and the like, and the computer can manually or automatically send instructions to the main controller to control the opening or closing of the closed door according to the current state information and the video signals of the closed door. Like most remote control systems, the remote control system can also realize local control, and the opening or closing of the airtight door can be controlled through the main controller by operating the control button. In the embodiment shown in fig. 6, the camera has a switch, and the main controller is also connected to the computer through the camera's switch.

When the airtight door is closed, only can realize subsequent locking after the airtight door is closed to target in place, to manual control, can observe whether to close to target in place at the scene, but to remote control, be difficult to observe, consequently, close the airtight door with the mechanism of opening and shutting door and target in place in order to guarantee, still be provided with on the door frame 101 of the door body 1 and close the door and target in place the sensor, it is connected with main control unit to close the door and target in place the sensor. After the remote control system controls the door opening and closing mechanism to be closed, if the door closing in-place sensor senses that the door is closed in place, the door opening and closing mechanism can stop moving, and the remote control system controls the locking mechanism to start to lock the sealed door. The door closing position sensor can adopt a contact sensor as shown in fig. 2, and can also adopt other sensors such as a laser sensor and the like.

Claims

1. The mining airtight door comprises a door body (1), a door opening and closing mechanism, a locking mechanism, a remote control system and a manual control system, wherein the door opening and closing mechanism comprises a door opening and closing hydraulic cylinder (201) for driving the door body (1) to be opened and closed, the locking mechanism comprises a locking hydraulic cylinder (301) for driving the door body (1) to be locked, the door opening and closing hydraulic cylinder (201) is provided with a door opening and closing oil inlet pipeline (2011) and a door opening and closing oil return pipeline (2012), and the locking hydraulic cylinder (301) is provided with a locking oil inlet pipeline (3011) and a locking oil return pipeline (3012);

remote control system is provided with hydraulic pressure station (401), hydraulic pressure station (401) are connected with first oil feed pipeline (4011), first oil return pipeline (4012), second oil feed pipeline (4013) and second oil return pipeline (4014), first oil feed pipeline (4011) advances oil pipe way (2011) with the switch door and is connected, first oil return pipeline (4012) returns oil pipe way (2012) with the switch door and is connected, second oil feed pipeline (4013) advances oil pipe way (3011) with the locking and is connected, second oil return pipeline (4014) returns oil pipe way (3012) with the locking and is connected, its characterized in that:

the manual control system comprises an oil tank (501), a manual pump (502), a manual four-way reversing valve (503) and a manual pressure relief valve (504), and the door opening and closing oil inlet pipeline (2011) and the door opening and closing oil return pipe are connected with the oil tank (501) through the manual pressure relief valve (504);

the manual four-way reversing valve (503) comprises an oil inlet, an oil return port, a first working oil port and a second working oil port, the oil inlet of the manual four-way reversing valve (503) is connected with the oil tank (501) through a manual pump (502), the oil return port of the manual four-way reversing valve (503) is connected with the oil tank (501), the first working oil port is connected with a locking oil inlet pipeline (3011), and the second working oil port is connected with a locking oil return pipeline (3012).

2. The mining containment door of claim 1, wherein: a double hydraulic control one-way valve (505) is further arranged between the locking hydraulic cylinder (301) and the manual four-way reversing valve (503), the double hydraulic control one-way valve (505) is provided with two sets of corresponding hydraulic control one-way valves, one set of hydraulic control one-way valves is connected between the first working oil port and the locking oil inlet pipeline (3011), and the other set of hydraulic control one-way valves is connected to the second working oil port and the locking oil return pipeline (3012).

3. The mining containment door of claim 1, wherein: locking mechanism still includes connecting rod (302), fitting pin (303) and sticking department (304), install on the door body (1) locking pneumatic cylinder (301), connecting rod (302) are articulated mutually with locking pneumatic cylinder (301), fitting pin (303) inner is articulated mutually with connecting rod (302), the middle part of fitting pin (303) is passed through articulated shaft (305) and is articulated on the door body (1), the position that sticking department (304) correspond fitting pin (303) sets up on door frame (101) of the door body (1), the outer end that sticking department (304) corresponds fitting pin (303) is provided with the locking inclined plane.

4. The mining containment door of claim 3, wherein: the outer end of the hinge shaft (305) in the middle of the locking pin (303) is provided with a limiting piece (306), the locking pin (303) is hinged between the door body (1) and the limiting piece (306), the locking pin (303) is sleeved with a spring pad (307), and the spring pad (307) is positioned between the locking pin (303) and the limiting piece (306).

5. The mining containment door of claim 3, wherein: the locking mechanisms are arranged on two sides of the door body (1), locking oil inlet pipelines (3011) of the locking mechanisms on the two sides are connected with first working oil ports of the manual four-way reversing valve (503), and locking oil return pipelines (3012) of the locking mechanisms on the two sides are connected with second working oil ports of the manual four-way reversing valve (503).

6. The mining containment door of claim 1, wherein: the door is characterized in that a wall structure on the side face of the door body (1) is provided with an installation cavity (202) of a door opening and closing hydraulic cylinder (201), one end of the door opening and closing hydraulic cylinder (201) is hinged in the installation cavity (202), and the other end of the door opening and closing hydraulic cylinder is hinged with the door body (1).

7. The mining containment door of claim 1, wherein: the remote control system further comprises a computer, a camera, a switch, a main controller, a mining converter and a control button, wherein the camera is arranged at the position corresponding to the door body (1), the camera is connected with the computer through the switch, the main controller is connected with the hydraulic station (401) through the converter, and the control button is connected with the main controller.

8. The mining containment door of claim 7, wherein: the door closing in-place sensor is further arranged on a door frame (101) of the door body (1) and connected with the main controller.