Coal mine roof end face accident emergency equipment

Abstract

The utility model discloses a coal mine roof end face accident emergency device which comprises a chassis, a supporting assembly, a blocking and protecting plate, an alarm assembly and the like, the top of the blocking and protecting plate abuts against a roof of a roadway, and when the roof of the roadway under the mine deforms or deforms due to geological activities or other factors, the alarm assembly can give an alarm. When the roadway is in use, the pressure can be transmitted to the pressure measuring element connected with the blocking and protecting plate from the top plate of the roadway, so that the acousto-optic element sends out an acousto-optic alarm signal, the acousto-optic alarm signal is sent out when the top plate is unstable, nearby operators are warned to enter the danger avoiding space between the supporting piece and the chassis to wait for rescue, and the workers can be protected in the danger avoiding space; meanwhile, the alarm assembly continues to send a signal, an alarm signal is provided for rescue workers to accurately search and rescue the workers in distress, in the process, the emergency process and guarantee of intelligent early warning, danger avoiding and rescue calling are provided, the survival rate of the workers in distress is increased, and therefore the beneficial effects are achieved.

Description

Technical Field

[0001] The utility model relates to the field of coal mine equipment, in particular to coal mine roof accident emergency equipment. Background Art

[0002] A coal mine roof accident refers to an accident in which the roof unexpectedly falls off under the shielding and protection conditions of the empty roof area during underground coal mining, causing casualties, equipment damage, and production termination. It is one of the main disasters in coal mine production.

[0003] At present, the emergency equipment for coal mine roof mainly consists of setting up movable supports, chassis and guard plates in the coal mine. Personnel work directly near the supports. When the roof falls, the guard plates on the top of the supports are used to shield and prevent the roof from falling, and a safe haven is provided for personnel, thus giving them a chance to survive underground.

[0004] However, in the application of the above-mentioned technology, there is a lack of warning of roof instability, and the help brought to the rescue work in the event of an accident is limited. The protection direction provided by the existing technology is single, so there is a need for a new emergency equipment that can bring more help to the rescue work, greatly improve the rescue success rate, and reduce casualties. Utility Model Content

[0005] The utility model provides a coal mine roof end face accident emergency device which can bring more help to the rescue work and greatly improve the rescue success rate, including:

[0006] The chassis, the support assembly and the guard plate, the guard plate is connected to the upper part of the chassis through the support assembly, and the guard plate is used to protect the support assembly and the chassis below it;

[0007] The support components include:

[0008] A connecting piece, the bottom of which is connected to the chassis;

[0009] A support member is connected to the upper part of the connecting member, a guard plate is connected to the upper part of the support member, and a refuge space for people to enter is provided between the support member and the chassis;

[0010] Coal mine roof face accident emergency equipment also includes:

[0011] Alert components, including:

[0012] The pressure measuring element is arranged between the guard plate and the support member, and is used to sense and measure the pressure applied by the guard plate to the pressure measuring element.

[0013] The sound and light element is connected with the pressure measuring element signal. When the pressure applied by the guard plate to the pressure measuring element is greater than a predetermined value, the pressure measuring element sends a signal to the sound and light element so that the sound and light element sends a sound and light alarm signal.

[0014] Furthermore, the support member is in the shape of a plate, and is roughly parallel to the chassis; the support assembly also includes: a first elastic portion, connected between the support member and the guard plate; the pressure measuring element includes: a pressure sensor, the pressure sensor is connected to the side of the support member facing the guard plate, a first elastic portion is connected between the pressure sensor and the guard plate, and the pressure sensor is used to sense the pressure transmitted to the pressure sensor by the first elastic portion.

[0015] Furthermore, the alarm component also includes a processing controller, a GPS module and a signal transmitting module. The pressure sensor, the sound and light element, the GPS module and the signal transmitting module are all connected to the processing controller by signal. When the pressure sensed by the pressure sensor reaches a predetermined value, the pressure sensor sends a signal to the processing controller so that the processing controller controls the sound and light element and the GPS module to start. The GPS module is used to obtain positioning information and transmit it to the processing controller. The processing controller can transmit the positioning information to the signal transmitting module and enable the signal transmitting module to transmit the rescue signal and positioning information to the outside world.

[0016] Furthermore, the support assembly also includes: a second elastic portion, the second elastic portion is connected between the support member and the guard plate, and the second elastic portion provides an elastic thrust to the guard plate upward perpendicular to the chassis.

[0017] Furthermore, the connecting member includes: a linear moving mechanism, which is arranged on the chassis, the linear moving mechanism has a moving end, the support member is connected to the moving end, and the moving end is used to make the support member move in a direction perpendicular to the chassis.

[0018] Further, the support member includes an arched portion and a plurality of first connecting portions connected to the edge of the arched portion, the arched portion is further away from the chassis than the first connecting portions, the first connecting portions are symmetrically distributed at the edge of the arched portion, and the pressure sensor is connected to a side of the arched portion facing the guard plate;

[0019] There are multiple linear motion mechanisms, one first connection portion corresponds to at least one linear motion mechanism, and the lower portion of the first connection portion is connected to the moving end of the corresponding linear motion mechanism;

[0020] There are multiple second elastic parts, one first connecting part corresponds to at least one second elastic part, and the first connecting part is connected to the corresponding second elastic part.

[0021] Furthermore, there are two first connection parts and four linear motion mechanisms, the two first connection parts are respectively connected to the two sides of the arched part, each first connection part corresponds to two linear motion mechanisms, and each linear motion mechanism is configured to be able to operate synchronously;

[0022] There are four second elastic parts, and the movable ends of the two corresponding linear moving mechanisms are connected to the bottom of each first connecting part. The two first connecting parts are respectively connected to the two sides of the arched part. Each first connecting part corresponds to two second elastic parts, and each first connecting part is connected to its corresponding two second elastic parts.

[0023] Further, the second elastic portion includes:

[0024] An outer tube, the outer tube is fixedly connected to the first connecting portion, the outer tube is perpendicular to the chassis, and one end of the outer tube facing the guard plate has an opening;

[0025] An inner rod, the inner rod is slidably connected to the inner part of the outer tube, and one end of the inner rod facing the baffle plate passes through the opening of the outer tube;

[0026] The first spring is connected between one end of the inner rod away from the baffle plate and the inner bottom surface of the outer tube, and the first spring provides an elastic thrust for the inner rod to point to the baffle plate.

[0027] Furthermore, the chassis includes a sinking portion and two second connecting portions connected to the edges of the sinking portion, the two second connecting portions are respectively connected to both sides of the sinking portion, the sinking portion is farther away from the support member than the second connecting portions, and each second connecting portion is connected to two linear moving mechanisms.

[0028] Furthermore, it also includes an oxygen supply component, which includes a storage component, a valve, a connecting pipe and an exhaust port. The storage component is connected to the side of the first connecting part facing the protective plate, and the exhaust port is connected to the storage component through a connecting pipe. The connecting pipe passes through the support member and extends into the safe haven. The exhaust port is arranged at the end of the connecting pipe located in the safe haven, and the valve is arranged in the connecting pipe and / or the exhaust port.

[0029] Compared with the prior art, the beneficial effect of the utility model is as follows: when the roof of the underground mine tunnel is deformed or unstable due to geological activities or other factors, the pressure will be transmitted from the roof of the tunnel to the pressure measuring element connected to the guard plate. When the pressure applied to the pressure measuring element by the guard plate is greater than the predetermined critical value, the pressure measuring element sends a signal to the sound and light element so that the sound and light element sends out a sound and light alarm signal, thereby sending out a sound and light alarm signal when the roof is unstable, warning nearby workers and equipment in the adjacent working area to enter a protective state, strengthen support, and observe the unstable state. When the state is unstable and a serious collapse and roof fall accident occurs, the rescuers enter the safe haven space between the support and the chassis to wait for rescue, so that they can be protected in the safe haven space; at the same time, the alarm component continues to send sound and light alarm signals, providing alarm signals for the rescuers to accurately search and rescue the people in distress. In the above process, an emergency process and guarantee of intelligent early warning-risk avoidance-call for rescue are provided, thereby improving the survival rate of people in distress, thereby achieving the safety effect of zero death management of coal mine roof accidents. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a three-dimensional schematic diagram of the overall structure of an embodiment;

[0031] Figure 2 It is a front cross-sectional view of the overall structure of an embodiment;

[0032] Figure 3 It is a front cross-sectional view of the detailed structure of an embodiment.

[0033] Description of reference numerals:

[0034] 1. chassis; 11. sinking part; 12. second connecting part; 2. moving wheel; 3. support assembly; 31. linear moving mechanism; 32. support member; 321. arched part; 322. first connecting part; 33. second elastic part; 331. outer tube; 332. inner rod; 333. first spring; 4. guard plate; 5. alarm assembly; 51. pressure sensor; 52. sound and light element; 53. processing controller; 61. storage member; 62. valve; 63. exhaust port. DETAILED DESCRIPTION

[0035] The specific implementation of the utility model is described in detail below, but it should be understood that the protection scope of the utility model is not limited by the specific implementation. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0036] The utility model provides an emergency device for coal mine roof end face accidents, comprising: a chassis 1, a support assembly 3, a guard plate 4, and an alarm assembly 5, wherein the guard plate 4 is connected to the upper part of the chassis 1 through the support assembly 3, and the guard plate 4 is used to shield the support assembly 3 and the chassis 1 below it; the support assembly 3 comprises: a connecting member, the bottom of which is connected to the chassis 1; a support member 32, which is connected to the upper part of the connecting member, the guard plate 4 is connected to the upper part of the support member 32, and there is a refuge space for people to enter between the support member 32 and the chassis 1; the emergency device for coal mine roof end face accidents also comprises: an alarm assembly 5, comprising: a pressure measuring element, which is arranged between the guard plate 4 and the support member 32, and the pressure measuring element is used to sense and measure the pressure applied to the pressure measuring element by the guard plate 4; an acoustic and optical element 52 is connected to the pressure measuring element signal, and when the pressure applied to the pressure measuring element by the guard plate 4 is greater than a predetermined value, the pressure measuring element sends a signal to the acoustic and optical element 52 so that the acoustic and optical element 52 sends an acoustic and optical alarm signal.

[0037] Specifically, please refer to Figure 1-3When the present invention is used in a tunnel under a mine, the top of the guard plate 4 is against the roof of the tunnel. When the roof of the tunnel under the mine is deformed or unstable due to geological activities or other factors, pressure will be transmitted from the roof of the tunnel to the pressure measuring element connected to the guard plate 4. When the pressure applied by the guard plate 4 to the pressure measuring element is greater than a predetermined value, the pressure measuring element sends a signal to the sound and light element 52 so that the sound and light element 52 sends out a sound and light alarm signal, thereby alerting personnel and underground working areas in an early stage of a collapse accident in an early stage, so that personnel have time to react to avoid danger, and then personnel enter the safe haven space between the support member 32 and the chassis 1 to wait for rescue. As the collapse accident progresses, when the roof falls, the guard plate 4 supports and resists the fallen mine roof, and the impact force will be transmitted to the support member 32 and the connecting member through the second elastic part, thereby protecting personnel. At the same time, the pressure measuring element continues to bear pressure, and the sound and light element 52 continues to send out a sound and light alarm signal, and rescue personnel search for people in distress based on the sound and light alarm signal.

[0038] In the above process, the present invention provides an emergency process of early warning before collapse - protection during collapse - calling for rescue after collapse, presenting an automated alarm rescue effect, allowing people in distress to wait more safely, improving the accuracy and success rate of rescue, and improving the survival rate of people in distress, thereby achieving beneficial effects.

[0039] In one embodiment, a plurality of moving wheels 2 are provided at the lower part of the chassis 1. The structure of the moving wheels 2 is routinely adjusted by personnel in this field according to needs. There are at least three moving wheels 2. The moving wheels 2 can be in the form of passive wheels or active wheels with drive motors. When personnel travel in a mine, they can use the moving wheels 2 to allow the device to accompany them, or the personnel and the device can travel independently.

[0040] Furthermore, considering that when a serious falling accident of the top plate occurs, a large impact force will be generated on the pressure measuring element, and there is a risk of direct damage to the pressure measuring element, the following settings are specially made: the pressure measuring element support 32 is in the shape of a plate body, and the support 32 is roughly parallel to the chassis 1; the support assembly 3 also includes: a first elastic part 7, connected between the support 32 and the guard plate 4; the pressure measuring element includes: a pressure sensor 51, the pressure sensor 51 is connected to the side of the support 32 facing the guard plate 4, the first elastic part 7 is connected between the pressure sensor 51 and the guard plate 4, and the pressure sensor 51 is used to sense the pressure transmitted to the pressure sensor 51 by the first elastic part 7. The first elastic part 7 can play a buffering function, and at the same time transmit the pressure on the guard plate 4 to the pressure sensor 51, complete the monitoring of the pressure on the guard plate 4, and avoid excessive impact force to damage the pressure sensor.

[0041] In order to further enhance the automatic alarm rescue effect of the device, thereby further enhancing the accuracy and success rate of rescue. Further, in particular, the alarm component 5 also includes a processing controller 53, a GPS module and a signal transmitting module. The pressure sensor 51, the sound and light element 52, the GPS module and the signal transmitting module are all connected to the processing controller 53 by signal. When the pressure sensed by the pressure sensor 51 reaches a predetermined value, the pressure sensor 51 sends a signal to the processing controller 53, so that the processing controller 53 controls the sound and light element 52 and the GPS module to start. The GPS module is used to obtain positioning information and pass it to the processing controller 53. The processing controller 53 can pass the positioning information to the signal transmitting module and enable the signal transmitting module to transmit the rescue signal and positioning information to the outside world. Thereby further enhancing the beneficial effects of the device and improving the accuracy and success rate of rescue.

[0042] In the above arrangement, when in distress, when the pressure sensed by the pressure sensor 51 reaches a predetermined value, the pressure sensor 51 sends a signal to the processing controller 53, so that the processing controller 53 controls the sound and light element 52 and the GPS module to start. The GPS module can locate the position of the device and transmit the positioning information to the processing controller 53. The signal transmission module is used to send the positioning information received by the processing controller 53 to the coal mine rescue personnel, which has the beneficial effect of facilitating the rescue personnel to know the position in time for rescue.

[0043] In some embodiments, the processing controller 53 can use a PLC controller in the prior art, and a battery is fixedly connected to the support member 32. The pressure sensor 51, the processing controller 53, the sound and light element 52, the GPS module and the signal transmission module are all electrically connected to the battery to provide energy for the alarm component 5. The specific models of the above-mentioned electronic components and the specific electrical connection methods can all use the corresponding technologies in the prior art, so they will not be repeated here.

[0044] Furthermore, considering that, in general, the pressure borne by the guard plate 4 will still all act on the pressure sensor 51, although the first elastic portion 7 can prevent the guard plate 4 from directly transmitting the impact load to the pressure sensor 51, when the guard plate 4 is subjected to a greater load, it will still cause rapid damage to the pressure sensor 51, causing it to be destroyed before the signal is transmitted. Therefore, the support assembly 3 also includes: a second elastic portion 33, the second elastic portion 33 is connected between the support member 32 and the guard plate 4, the second elastic portion 33 provides the guard plate 4 with an elastic thrust perpendicular to the chassis 1 upward, thereby dispersing a portion of the load in the buffering process to the support member 32, thereby solving the aforementioned technical problem.

[0045] Taking into account that the heights of different tunnel roofs may not be consistent, the adaptability of the lifting device is required. Furthermore, the connecting member includes: a linear moving mechanism 31, which is arranged on the chassis 1, and the linear moving mechanism has a moving end. The support member 32 is connected to the moving end, and the moving end is used to make the support member 32 move in a direction perpendicular to the chassis 1.

[0046] In this embodiment, after the device is placed in a coal mine, the guard plate 4 performs shielding and protection work at the top. When the overall height needs to be adjusted according to the conditions of the coal mine, the linear moving mechanism 31 is started to drive the support member 32 to move back and forth in the vertical direction to adjust the overall height and improve the flexibility of the device.

[0047] The main function of the support member 32 is to provide a safe haven for personnel, so it actually serves as a base for supporting the guard plate 4, but at the same time, the support member 32 has the function of connecting components. The pressure measuring element, the linear motion mechanism 31, the first elastic part 7 and other components need to be connected to the support member 32. Therefore, it is necessary to avoid the pressure generated by the guard plate 4 on the support member 32 when the top plate falls, which affects other components connected to the support frame 32.

[0048] Therefore, further, the support member 32 includes an arched portion 321 and a plurality of first connecting portions 322 connected to the edge of the arched portion 321, the arched portion 321 is further away from the chassis 1 than the first connecting portions 322, the first connecting portions 322 are symmetrically distributed at the edge of the arched portion 321, and the pressure sensor 51 is connected to a side of the arched portion 321 facing the guard plate 4;

[0049] When the underground roof falls, the roof is pressed against the guard plate 4, and the guard plate 4 transmits the pressure load downward. Since the arched portion 321 is farther away from the bottom plate 1 than the first connecting portion 322, the arched portion 321 serves as a contact component that bears the pressure load, and other components connected to the support member 32 are connected to the first connecting portion 322. Therefore, the downwardly pressed guard plate 4 will not affect other components connected to the support member 32.

[0050] There are multiple linear motion mechanisms 31, one first connection portion 322 corresponds to at least one linear motion mechanism 31, and the lower portion of the first connection portion 322 is connected to the moving end of the corresponding linear motion mechanism 31;

[0051] There are multiple second elastic parts 33 , one first connecting part 322 corresponds to at least one second elastic part 33 , and the first connecting part 322 is connected to the corresponding second elastic part 33 .

[0052] The above arrangement can utilize the shape of the first connecting portion 322 to symmetrically distribute the linear moving mechanism 31 and the second elastic portion 33 , and can better withstand the overall load.

[0053] Furthermore, there are two first connection parts 322 and four linear motion mechanisms 31, the two first connection parts 322 are respectively connected to the two sides of the arched part 321, each first connection part 322 corresponds to two linear motion mechanisms 31, and each linear motion mechanism 31 is configured to be able to operate synchronously;

[0054] There are four second elastic parts 33, and the movable ends of the corresponding two linear moving mechanisms 31 are connected to the bottom of each first connection part 322. The two first connection parts 322 are respectively connected to the two sides of the arched part 321. Each first connection part 322 corresponds to two second elastic parts 33, and each first connection part 322 is connected to its corresponding two second elastic parts 33.

[0055] Further, the second elastic portion 33 includes:

[0056] An outer tube 331, the outer tube 331 is fixedly connected to the first connecting portion 322, the outer tube 331 is perpendicular to the chassis 1, and one end of the outer tube 331 facing the guard plate 4 has an opening;

[0057] An inner rod 332, the inner rod 332 is slidably connected to the inner part of the outer tube 331, and one end of the inner rod 332 facing the baffle plate 4 passes through the opening of the outer tube 331;

[0058] The first spring 333 is connected between one end of the inner rod 332 away from the baffle plate 4 and the inner bottom surface of the outer tube 331 , and the first spring 333 provides an elastic thrust to the inner rod 332 toward the baffle plate 4 .

[0059] Further, the chassis 1 includes a sinking portion 11 and two second connecting portions 12 connected to the edge of the sinking portion 11, the two second connecting portions 12 are respectively connected to the two sides of the sinking portion 11, the sinking portion 11 is farther away from the support member 32 than the second connecting portions 12, and each second connecting portion 12 is connected to two linear moving mechanisms 31. The sinking portion 11 and the arched portion 321 cooperate to form a larger shelter space.

[0060] Furthermore, considering that the rescue alarm mode of the device is to notify external rescuers to let them know the location of the person in distress so as to carry out rescue, the support of the rescuers in this process requires time and the person in distress needs to remain near the device or in a safe haven. Considering that in the above process, the location of the device may be blocked due to a serious accident and the closed obstacle cannot be removed, resulting in a long-term lack of oxygen supply in the closed space, in order to improve the success rate of rescue of the device, in particular, it also includes an oxygen supply assembly, which includes a storage component 61, a valve 62, a connecting pipe and an exhaust port 63. The storage component 61 is connected to the side of the first connecting portion 322 facing the baffle plate 4, and the exhaust port 63 is connected to the storage component 61 through a connecting pipe. The connecting pipe passes through the support member 32 and extends into the safe haven. The exhaust port 63 is arranged at the end of the connecting pipe located in the safe haven, and the valve 62 is arranged in the connecting pipe and / or the exhaust port 63.

[0061] When the blockage cannot be removed due to a serious accident, personnel can open valve 62 to allow the oxygen in storage unit 61 to be discharged from exhaust port 63, which is convenient for temporary oxygen supply before the arrival of rescue personnel, further improving the success rate of rescue.

[0062] In various embodiments, the storage element 61 can use a series of applicable commonly used gas storage devices, such as compressed gas cylinders or oxygen tanks, small gas storage boxes and other equipment.

[0063] The location of the storage unit 61 needs to be considered. In a dangerous environment, it should not be crushed by the collapsed roof, nor should it be placed in a safe haven for personnel, which would cause safety hazards. Therefore, the storage unit 61 is placed on the first connection portion 322 on the side facing the guard plate 4. Since the arched portion 321 is farther away from the chassis 1 than the first connection portion 322, the guard plate 4 will rest on the arched portion 321 instead of the first connection portion 322, so that the storage unit 61 will not be subjected to pressure loads, reducing the risk of damage. At the same time, the storage unit 61 is separated from the safe haven for personnel by the support member 32, which avoids the safety hazards caused by the storage unit 61 being placed in the safe haven for personnel.

[0064] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A coal mine roof face accident emergency equipment, include: A chassis (1), a support assembly (3) and a guard plate (4), wherein the guard plate (4) is connected to the upper part of the chassis (1) through the support assembly (3), and the guard plate (4) is used to guard the support assembly (3) and the chassis (1) therebelow, and is characterized in that: The support assembly (3) comprises: A connecting piece, the bottom of which is connected to the chassis (1); A support member (32) is connected to the upper part of the connecting member, a guard plate (4) is connected to the upper part of the support member (32), and a refuge space for people to enter is provided between the support member (32) and the chassis (1); The coal mine roof end face accident emergency equipment also includes: The alarm component (5) comprises: A pressure measuring element is arranged between the guard plate (4) and the support member (32), and is used to sense and measure the pressure applied to the pressure measuring element by the guard plate (4). The sound and light element (52) is connected to the pressure measuring element signal. When the pressure applied by the guard plate (4) to the pressure measuring element is greater than a predetermined value, the pressure measuring element sends a signal to the sound and light element (52), causing the sound and light element (52) to send out a sound and light alarm signal.

2. A coal mine roof end face accident emergency device as claimed in claim 1, It is characterized in that The support member (32) is in the shape of a plate, and the support member (32) is substantially parallel to the chassis (1); the support assembly (3) further comprises: a first elastic portion (7) connected between the support member (32) and the guard plate (4); the pressure measuring element comprises: a pressure sensor (51), the pressure sensor (51) being connected to a side of the support member (32) facing the guard plate (4), the first elastic portion (7) being connected between the pressure sensor (51) and the guard plate (4), and the pressure sensor (51) being used to sense the magnitude of the pressure transmitted from the first elastic portion (7) to the pressure sensor (51).

3. A coal mine roof end face accident emergency device as claimed in claim 2, It is characterized in that The alarm component (5) further comprises a processing controller (53), a GPS module and a signal transmitting module. The pressure sensor (51), the sound and light element (52), the GPS module and the signal transmitting module are all connected to the processing controller (53) by signals. When the pressure sensed by the pressure sensor (51) reaches a predetermined value, the pressure sensor (51) sends a signal to the processing controller (53), so that the processing controller (53) controls the sound and light element (52) and the GPS module to start. The GPS module is used to obtain positioning information and transmit it to the processing controller (53). The processing controller (53) can transmit the positioning information to the signal transmitting module and enable the signal transmitting module to transmit the rescue signal and the positioning information to the outside world.

4. A coal mine roof end face accident emergency device as claimed in claim 3, It is characterized in that The support assembly (3) further comprises: a second elastic portion (33), wherein the second elastic portion (33) is connected between the support member (32) and the guard plate (4), and the second elastic portion (33) provides the guard plate (4) with an elastic thrust that is perpendicular to the chassis (1) and upward.

5. A coal mine roof end face accident emergency device as claimed in claim 4, It is characterized in that The connecting member comprises: a linear moving mechanism (31) arranged on the chassis (1), the linear moving mechanism having a moving end, the supporting member (32) being connected to the moving end, and the moving end being used to enable the supporting member (32) to move in a direction perpendicular to the chassis (1).

6. A coal mine roof face accident emergency device as claimed in claim 5, It is characterized in that The support member (32) comprises an arched portion (321) and a plurality of first connecting portions (322) connected to the edge of the arched portion (321); the arched portion (321) is further away from the chassis (1) than the first connecting portions (322); the first connecting portions (322) are symmetrically distributed at the edge of the arched portion (321); and the pressure sensor (51) is connected to a side of the arched portion (321) facing the guard plate (4); There are a plurality of linear motion mechanisms (31), a first connection portion (322) corresponds to at least one linear motion mechanism (31), and the lower portion of the first connection portion (322) is connected to the moving end of the corresponding linear motion mechanism (31); There are a plurality of the second elastic parts (33), one first connecting part (322) corresponds to at least one second elastic part (33), and the first connecting part (322) is connected to the corresponding second elastic part (33).

7. A coal mine roof end face accident emergency device as claimed in claim 6, It is characterized in that There are two first connection parts (322), and there are four linear motion mechanisms (31). The two first connection parts (322) are respectively connected to two sides of the arched part (321), and each first connection part (322) corresponds to two linear motion mechanisms (31). Each linear motion mechanism (31) is configured to be able to operate synchronously. There are four second elastic parts (33), and the lower part of each first connecting part (322) is connected to the movable ends of the two corresponding linear moving mechanisms (31), and the two first connecting parts (322) are respectively connected to the two sides of the arched part (321), and each first connecting part (322) corresponds to two second elastic parts (33), and each first connecting part (322) is connected to the two corresponding second elastic parts (33).

8. A coal mine roof end face accident emergency device as claimed in claim 7, It is characterized in that The second elastic portion (33) comprises: An outer tube (331), the outer tube (331) being fixedly connected to the first connecting portion (322), the outer tube (331) being perpendicular to the chassis (1), and having an opening at one end of the outer tube (331) facing the guard plate (4); An inner rod (332), wherein the inner rod (332) is slidably connected to the inside of the outer tube (331), and one end of the inner rod (332) facing the baffle plate (4) passes through the opening of the outer tube (331); The first spring (333) is connected between one end of the inner rod (332) away from the baffle plate (4) and the inner bottom surface of the outer tube (331), and the first spring (333) provides an elastic thrust to the inner rod (332) pointing to the baffle plate (4).

9. A coal mine roof face accident emergency device as claimed in claim 8, It is characterized in that The chassis (1) comprises a sinking portion (11) and two second connecting portions (12) connected to the edges of the sinking portion (11), the two second connecting portions (12) being respectively connected to two sides of the sinking portion (11), the sinking portion (11) being further away from the support member (32) than the second connecting portions (12), and each second connecting portion (12) being connected to two linear motion mechanisms (31).

10. The coal mine roof end face accident emergency equipment according to claim 9, It is characterized in that The invention also comprises an oxygen supply assembly, the oxygen supply assembly comprising a storage member (61), a valve (62), a connecting pipe and an exhaust port (63), the storage member (61) being connected to a side of the first connecting portion (322) facing the baffle plate (4), the exhaust port (63) being connected to the storage member (61) via a connecting pipe, the connecting pipe passing through the support member (32) and extending into the safe haven space, the exhaust port (63) being arranged at an end of the connecting pipe located in the safe haven space, and the valve (62) being arranged in the connecting pipe and / or the exhaust port (63).

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