CN115749929B

CN115749929B - Safety protection device for underground operation

Info

Publication number: CN115749929B
Application number: CN202211513893.0A
Authority: CN
Inventors: 张尚铎; 郭强; 钟毅; 张涛; 许华
Original assignee: Anhui Niushan Mining Ltd By Share Ltd
Current assignee: Anhui Niushan Holdings Group Co ltd
Priority date: 2022-11-29
Filing date: 2022-11-29
Publication date: 2023-06-09
Anticipated expiration: 2042-11-29
Also published as: CN115749929A

Abstract

The invention relates to the technical field of mining, in particular to a safety protection device for underground operation, which comprises a horizontal plate, wherein a shell is fixedly arranged at the upper end of a telescopic push rod, a safety protection mechanism is arranged at the upper end of the shell, a window blocking mechanism and a circulating oxygen supply mechanism for preventing broken stones from entering are arranged in the shell, a multi-terrain moving mechanism and an auxiliary escaping mechanism for rapidly escaping danger are arranged at the lower end of the horizontal plate, and the safety protection mechanism comprises a supporting component fixedly arranged at the upper end of the shell. According to the invention, the safety protection mechanism is arranged, when a small-range collapse occurs in the rush-repair process, the upper end of the elastic baffle automatically arches upwards, so that the gradient of the elastic baffle is increased, the stress direction of the stone block during collision with the elastic baffle is changed, the stone block can be quickly sprung open to the left and right sides, the accumulation amount of broken stone on the elastic baffle can be effectively reduced, and the elastic baffle can be prevented from being damaged to a great extent.

Description

Safety protection device for underground operation

Technical Field

The invention relates to the technical field of mining, in particular to a safety protection device for underground operation.

Background

Mining is an engineering with a relatively large risk coefficient, and has two modes of surface mining and underground mining, when the mining is carried out on a deep buried surface or a surface mine to a certain depth, the underground mining method is needed, and at the moment, various passages are needed to be drilled between the ground surface and a mine body and used for carrying mine, ventilation, drainage and pedestrians, and the passages are collectively called mine roadways, are not only transportation passages of cargoes, but also life passages of mining area staff, and the importance of the passages is self-evident; in order to ensure the life and property safety of mining area staff, special overhauling staff overhauls and maintains the top of a mine tunnel at regular intervals to prevent large-area collapse, but because the internal environment of the mine tunnel is complex and the widths of the various large-scale overhauling equipment are inconsistent, the overhauling staff usually wears various protective equipment in the prior art and then climbs to the top of the mine tunnel by using a herringbone ladder to overhauls, so that the efficiency of overhauling work is greatly reduced, and the life safety of the overhauling staff is not guaranteed at all.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a safety protection device for underground operation, which solves the problem that the life safety of an maintainer cannot be well ensured when the mine roadway is overhauled and maintained in the prior art, and has the advantages of being capable of ensuring the life safety of the maintainer to a great extent and helping the maintainer to get rid of poverty rapidly when encountering danger.

In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a safety device for borehole operation, includes the horizontal plate, and the upper end fixed mounting of horizontal plate has flexible push rod, and flexible push rod's upper end fixed mounting has the casing, the upper end of casing is provided with safety protection mechanism, and the inside of casing is equipped with window shutoff mechanism and the circulation oxygen supply mechanism that is used for preventing the rubble entering, and the lower extreme of horizontal plate is equipped with many topography mobile mechanism and the supplementary mechanism that gets rid of poverty that is used for the quick escape, safety protection mechanism includes the supporting component of fixed mounting in the casing upper end, and supporting component's upper end is provided with the installation circle axle, and the equal movable mounting in left and right sides of installation circle axle has elastic baffle, and the equal fixed mounting in front and back both sides of casing upper end has the installation slide rail, and the inside fixed mounting of installation slide rail has drive assembly, and movable mounting has two-way lead screw on the drive assembly, and the outside threaded connection of two-way lead screw has the horizontal slider, and the lower surface fixed mounting of elastic baffle has the installation flange, rotates between installation flange and the horizontal slider to be connected with the movable diagonal rod, and when rotatory under drive assembly, can make two horizontal slider move in the horizontal direction, and two horizontal slider can make elastic baffle arch upwards when two horizontal slider get close to each other.

Preferably, the support assembly comprises a fixing seat fixedly connected with the upper end of the shell, the fixing seat is movably provided with a telescopic plate, the telescopic plate is fixedly connected with the installation circular shaft, and the telescopic plate can be upwards stretched when the installation circular shaft moves upwards.

Preferably, the drive assembly includes fixed mounting driving motor on the installation slide rail, the inside of elastic baffle is provided with inductive switch, through wire electric connection between inductive switch and the driving motor, two-way lead screw comprises two screw thread sections and smooth section, the screw thread of two screw thread sections revolves opposite and symmetric distribution in smooth section's left and right sides, driving motor's output and two-way lead screw's smooth section power connection, driving motor during operation, can make two-way lead screw around self axial rotation, can make two horizontal sliding blocks be close to each other when two-way lead screw rotates.

Preferably, the window plugging mechanism comprises a gas storage empty tank fixedly installed at the upper end of the shell, a rectangular piston is slidably connected in the gas storage empty tank, a gas pushing component is fixedly connected to the rectangular piston, operation windows are formed in the front side and the rear side of the shell, a gantry bracket is fixedly installed on the inner side of each operation window, an elastic air bag is arranged in each gantry bracket, a connecting pipe is fixedly installed between each elastic air bag and the gas storage empty tank, a pressing switch is fixedly installed at the lower end of each gantry bracket, the pressing switch is electrically connected with a telescopic push rod through a conducting wire, air in the gas storage empty tank enters the elastic air bag when the rectangular piston moves horizontally, and then the elastic air bag stretches downwards along the gantry bracket.

Preferably, the gas pushing component comprises a horizontal rod fixedly connected with the rectangular piston, a T-shaped plate is fixedly arranged at the other end of the horizontal rod, the T-shaped plate is fixedly connected with the horizontal sliding block, when the horizontal sliding block horizontally moves, the gas pushing component can be enabled to synchronously move, and when the gas pushing component moves, the rectangular piston can be enabled to synchronously move.

Preferably, the circulation oxygen supply mechanism comprises an oxygen storage tank fixedly arranged in the shell, an exhaust nozzle is detachably arranged at the upper end of the oxygen storage tank, an oxygen pushing component is movably arranged in the oxygen storage tank, a buffer spring is fixedly connected between the upper end of the oxygen pushing component and the inner wall of the oxygen storage tank, a rectangular sliding block is fixedly arranged at the lower end of the oxygen pushing component, and when the telescopic push rod is contracted downwards, the oxygen pushing component can be enabled to move upwards, so that oxygen in the oxygen storage tank enters the shell through the exhaust nozzle.

Preferably, the oxygen pushing assembly comprises a round plug which is in sliding connection with the oxygen storage tank, the lower end of the round plug is fixedly connected with a vertical round rod, the lower end of the vertical round rod extends to the outside of the shell and is fixedly connected with the rectangular sliding block, when the shell moves downwards, the vertical round rod is in contact with the horizontal plate, and then the round plug moves upwards under the action of the vertical round rod.

Preferably, the multi-terrain moving mechanism comprises a trapezoid block fixedly mounted at the lower end of the horizontal plate, wherein the front side and the rear side of the trapezoid block are movably provided with a driving rotary drum, the driving rotary drum is detachably provided with a movable crawler belt, a controller is fixedly mounted on the trapezoid block, the controller is electrically connected with the driving rotary drum through a wire, the driving rotary drum can rotate under the action of the controller during operation, and the driving rotary drum can enable the movable crawler belt to horizontally move during rotation, so that the device moves.

Preferably, the auxiliary escape mechanism comprises a vertical cavity formed in the horizontal plate, the left side and the right side of the inside of the trapezoid block are respectively provided with a mounting chute, an air hose is fixedly connected between the vertical cavity and each mounting chute, a driving sliding block is movably mounted in each mounting chute, a reset spring is fixedly connected between each driving sliding block and the inner wall of each mounting chute, a movable pushing plate is rotatably connected to each driving sliding block, the driving sliding blocks are initially located in the inside of each mounting chute under the action of the corresponding reset spring, the movable pushing plates and the driving sliding blocks are in parallel, and when the driving sliding blocks extend out of the corresponding mounting chute, the movable pushing plates can automatically rotate to be in a vertical state.

Preferably, the movable pushing plate can move back and forth under the action of the driving sliding block, the shape of the outer surface of the rectangular sliding block is matched with the shape of the inner surface of the vertical cavity, the outer surface of the driving sliding block is tightly attached to the inner wall of the installation chute, and when the rectangular sliding block moves downwards along the vertical cavity, the driving sliding block can extend out of the installation chute.

By means of the technical scheme, the invention provides a safety protection device for underground operation, which has at least the following beneficial effects:

1. according to the invention, the inclination angle of the elastic baffle can be automatically adjusted by arranging the safety protection mechanism, the gradient is smaller during normal operation, the shielding protection of a larger range can be provided for a shell and staff, meanwhile, the road passing performance of the device can be greatly improved, and the device is suitable for various mining area roadways with different widths and wide application range.

2. According to the invention, the safety protection mechanism is arranged, when a small-range collapse occurs in the rush-repair process, the upper end of the elastic baffle automatically arches upwards, so that the gradient of the elastic baffle is increased, the stress direction of the stone block during collision with the elastic baffle is changed, the stone block can be quickly sprung open to the left and right sides, the accumulation amount of broken stone on the elastic baffle can be effectively reduced, and the elastic baffle can be prevented from being damaged to a great extent.

3. According to the invention, the window plugging mechanism is arranged, so that the operation window can be automatically and rapidly plugged when a danger occurs, a large amount of dust and broken stone can be effectively prevented from entering the shell, the injury of workers in the shell can be avoided to a great extent, and more rescue time can be strived for rescue workers outside a roadway, so that the use safety of the device is greatly improved.

4. According to the invention, the window plugging mechanism is arranged, so that the device can be automatically contracted downwards in the process of plugging the operation window, the gravity center of the device is lowered, and the risk of the device being knocked down by stones can be reduced to a great extent.

5. According to the invention, the circulating oxygen supply mechanism is arranged, and a certain amount of oxygen can be automatically added into the shell after the operation window is blocked, so that the oxygen concentration in the shell is ensured, the danger that a worker chokes due to oxygen deficiency in the shell is avoided, and the use safety of the device can be improved to a great extent.

6. According to the invention, by arranging the multi-terrain moving mechanism, the device can be automatically transferred to a safety area when a dangerous situation occurs by utilizing the cooperation between the moving caterpillar band and the driving rotary drum, so that the probability of rescuing trapped personnel can be improved to a great extent.

7. According to the invention, by arranging the auxiliary escaping mechanism, sand and stones accumulated on the left side and the right side of the trapezoid block can be automatically pushed away, so that the escaping speed of the device can be improved to a great extent, jolt generated by the device during movement can be reduced to a certain extent, and secondary injury to trapped people in the movement process is avoided.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:

FIG. 1 is a front view of the overall structure of the present invention;

FIG. 2 is a schematic view of a safety mechanism according to the present invention;

FIG. 3 is a schematic view of a part of the structure of the present invention;

FIG. 4 is an enlarged view of the structure of FIG. 3A in accordance with the present invention;

FIG. 5 is a schematic view showing the internal structure of the housing according to the present invention;

FIG. 6 is a schematic view of a gantry of the present invention;

FIG. 7 is a cross-sectional view of the oxygen storage tank structure of the present invention;

FIG. 8 is an enlarged view of the structure of FIG. 1B in accordance with the present invention;

FIG. 9 is a schematic view showing the internal structure of the fixing block according to the present invention;

FIG. 10 is a schematic diagram of an auxiliary escape mechanism according to the present invention.

In the figure: 1. a horizontal plate; 2. a telescopic push rod; 3. a housing; 4. a safety protection mechanism; 401. a support assembly; 402. installing a circular shaft; 403. an elastic baffle; 404. installing a sliding rail; 405. a drive assembly; 406. a two-way screw rod; 407. a horizontal slider; 408. installing a convex plate; 409. a movable diagonal rod; 5. a window blocking mechanism; 501. a gas storage empty tank; 502. a rectangular piston; 503. a pushing assembly; 504. an operation window; 505. a gantry bracket; 506. an elastic air bag; 507. a connecting pipe; 508. pressing the switch; 6. a circulating oxygen supply mechanism; 601. an oxygen storage tank; 602. an exhaust nozzle; 603. an oxygen pushing assembly; 604. a buffer spring; 605. a rectangular slide block; 7. a multi-terrain movement mechanism; 701. a trapezoid block; 702. driving the drum; 703. a moving track; 704. a controller; 8. an auxiliary escaping mechanism; 801. a vertical cavity; 802. installing a chute; 803. a ventilation hose; 804. driving a sliding block; 805. a return spring; 806. a movable push plate.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Example 1

According to fig. 1-4, a safety protection device for underground operation comprises a horizontal plate 1, wherein a telescopic push rod 2 is fixedly arranged at the upper end of the horizontal plate 1, a shell 3 is fixedly arranged at the upper end of the telescopic push rod 2, a safety protection mechanism 4 is arranged at the upper end of the shell 3, a window blocking mechanism 5 and a circulating oxygen supply mechanism 6 for preventing broken stones from entering are arranged in the shell 3, and a multi-terrain moving mechanism 7 and an auxiliary escape mechanism 8 for rapidly escaping from danger are arranged at the lower end of the horizontal plate 1.

Specifically, the safety protection mechanism 4 includes the supporting component 401 of fixed mounting in casing 3 upper end, the upper end of supporting component 401 is provided with installation circle axle 402, the equal movable mounting of the left and right sides of installation circle axle 402 has elastic baffle 403, the front and back both sides of casing 3 upper end are all fixed mounting has installation slide rail 404, the inside fixed mounting of installation slide rail 404 has drive assembly 405, movable mounting has two-way lead screw 406 on the drive assembly 405, the external screw thread of two-way lead screw 406 is connected with horizontal slider 407, the fixed mounting of lower surface of elastic baffle 403 has installation flange 408, rotate between installation flange 408 and the horizontal slider 407 and be connected with movable diagonal bar 409, when two-way lead screw 406 rotates under the effect of drive assembly 405, can make two horizontal slider 407 remove in the horizontal direction, can make elastic baffle 403 arch upwards when two horizontal slider 407 are close to each other.

More specifically, the support assembly 401 includes a fixing base fixedly connected with the upper end of the housing 3, and a telescopic plate is movably mounted on the fixing base, and is fixedly connected with the installation circular shaft 402, so that the telescopic plate is extended upwards when the installation circular shaft 402 moves upwards.

More specifically, the driving component 405 includes a driving motor fixedly installed on the installation slide rail 404, an inductive switch is disposed in the elastic baffle 403, the inductive switch is electrically connected with the driving motor through a wire, the bidirectional screw rod 406 is composed of two threaded sections and smooth sections, threads of the two threaded sections are oppositely and symmetrically distributed on the left side and the right side of the smooth sections, an output end of the driving motor is in power connection with the smooth sections of the bidirectional screw rod 406, when the driving motor works, the bidirectional screw rod 406 rotates around the axial direction of the driving motor, and when the bidirectional screw rod 406 rotates, the two horizontal sliding blocks 407 are mutually close.

In this embodiment, during the use staff can enter into the inside of casing 3 at first, and casing 3 can upwards move under the effect of flexible push rod 2 next to carry the position that needs the rush repair in the mining area tunnel with the staff, later on, the staff can carry out quick repair to the damage area in the tunnel through operating window 504.

Initially, as shown in fig. 1, the slopes of the two elastic baffles 403 are smaller and are blocked above the casing 3, so that broken stones falling in a roadway damage area can be effectively prevented from damaging the casing 3, and meanwhile, certain protection can be provided for workers, so that the use safety of the device is greatly improved.

When the small-range collapse occurs in the rush-repair area, a large number of stones fall onto the surface of the elastic baffle 403, the elastic baffle 403 is impacted by the stones to enable the inductive switch to be turned on, then the bidirectional screw 406 axially rotates around itself under the action of the driving motor, and the bidirectional screw 406 enables the two horizontal sliding blocks 407 to move close to each other when rotating.

As shown in fig. 3, in the process of approaching the two horizontal sliders 407, the movable diagonal rods 409 are rotated from an inclined state to a vertical state, so that the upper ends of the elastic baffles 403 arch upwards, the slopes of the elastic baffles 403 increase after the elastic baffles 403 arch upwards, and stones falling onto the elastic baffles 403 can be quickly bounced off to the left and right sides.

According to the embodiment, the safety protection mechanism 4 is arranged, the inclination angle of the elastic baffle 403 can be automatically adjusted, the gradient is smaller during normal operation, the shielding protection in a larger range can be provided for the shell 3 and staff, meanwhile, the road trafficability of the device can be greatly improved, and the device is suitable for various mining area roadways with different widths and wide application range; in addition, this embodiment is through setting up safety protection mechanism 4, when small-scale collapse appears in the rush-repair in-process, the upper end of elastic baffle 403 can be automatic upwards arched for the slope of elastic baffle 403 grow, thereby change the atress direction when stone and elastic baffle 403 collide, can open the stone with the quick left and right sides bullet, can effectively reduce the accumulation volume of rubble on elastic baffle 403, can avoid elastic baffle 403 to be damaged to a great extent again.

Example two

According to the embodiments shown in fig. 1, fig. 2, fig. 5 and fig. 6, the window plugging mechanism 5 comprises a gas storage empty tank 501 fixedly installed at the upper end of the housing 3, a rectangular piston 502 is slidably connected in the gas storage empty tank 501, a gas pushing component 503 is fixedly connected on the rectangular piston 502, operation windows 504 are respectively provided on the front side and the rear side of the housing 3, a gantry bracket 505 is fixedly installed on the inner side of the operation windows 504, an elastic airbag 506 is arranged in the gantry bracket 505, a connecting pipe 507 is fixedly installed between the elastic airbag 506 and the gas storage empty tank 501, a pressing switch 508 is fixedly installed at the lower end of the gantry bracket 505, the pressing switch 508 is electrically connected with the telescopic push rod 2 through a wire, and then air in the gas storage empty tank 501 enters into the elastic airbag 506 when the rectangular piston 502 moves horizontally, and then the elastic airbag 506 stretches downwards along the gantry bracket 505.

Specifically, the air pushing component 503 includes a horizontal rod fixedly connected with the rectangular piston 502, a T-shaped plate is fixedly mounted at the other end of the horizontal rod, the T-shaped plate is fixedly connected with the horizontal sliding block 407, when the horizontal sliding block 407 moves horizontally, the air pushing component 503 moves synchronously, and when the air pushing component 503 moves, the rectangular piston 502 moves synchronously.

In this embodiment, as shown in fig. 5, in the process of approaching the two horizontal sliders 407, the air pushing assembly 503 moves synchronously, and when the air pushing assembly 503 moves, the rectangular piston 502 moves along the air storage tank 501, so that the air inside the air storage tank 501 enters the elastic air bag 506.

Then, as shown in fig. 6, the elastic air bag 506 is extended downward along the gantry support 505, and the elastic air bag 506 is covered on the inner side of the operation window 504 after being extended, so that the damage to the staff caused by the external broken stone or dust entering into the interior of the housing 3 is prevented.

In addition, the elastic air bag 506 contacts with the push switch 508 and is turned on in the process of extending downwards, and the push switch 508 is turned on to enable the telescopic push rod 2 to automatically retract downwards.

According to the embodiment, the window blocking mechanism 5 is arranged, so that the operation window 504 can be automatically blocked rapidly when a danger occurs, a large amount of dust and broken stone can be effectively prevented from entering the shell 3, the injury of workers in the shell 3 can be avoided to a great extent, and more rescue time can be strived for rescue workers outside a roadway, so that the use safety of the device is greatly improved; in addition, through setting up window shutoff mechanism 5, can make the device shrink downwards in the in-process of shutoff operation window 504 voluntarily to make the focus of the device reduce, can reduce the risk that the device was pounded by the stone to a great extent.

Example III

According to the embodiments shown in fig. 1, 5, 7 and 8, the circulating oxygen supply mechanism 6 includes an oxygen storage tank 601 fixedly installed inside the housing 3, an exhaust nozzle 602 is detachably installed at the upper end of the oxygen storage tank 601, an oxygen pushing component 603 is movably installed inside the oxygen storage tank 601, a buffer spring 604 is fixedly connected between the upper end of the oxygen pushing component 603 and the inner wall of the oxygen storage tank 601, a rectangular sliding block 605 is fixedly installed at the lower end of the oxygen pushing component 603, and when the telescopic push rod 2 is contracted downwards, the oxygen pushing component 603 moves upwards, so that oxygen inside the oxygen storage tank 601 enters the housing 3 through the exhaust nozzle 602.

Specifically, oxygen subassembly 603 pushes away includes with oxygen storage tank 601 sliding connection's round stopper, the lower extreme fixedly connected with vertical round bar of round stopper, the lower extreme of vertical round bar extends to the outside of casing 3 and with rectangle slider 605 fixed connection, when casing 3 moves down, can make vertical round bar and horizontal plate 1 contact, then, the round stopper can upwards move under the effect of vertical round bar.

In this embodiment, as shown in fig. 1, when the housing 3 moves downward, the vertical round rod inside the oxygen pushing component 603 contacts with the horizontal plate 1, then, when the housing 3 continues to move downward, the round plug moves upward along the inner wall of the oxygen storage tank 601, and when the round plug moves upward, oxygen inside the oxygen storage tank 601 is discharged into the housing 3 through the exhaust nozzle 602, so as to increase the oxygen concentration inside the housing 3.

Moreover, only the shrinkage of the telescopic push rod 2 caused by the turning on of the push switch 508 brings the push assembly 503 into contact with the horizontal plate 1, so that the shrinkage of the telescopic push rod 2 under normal conditions does not cause the oxygen inside the air tank 501 to be discharged outwards.

According to the embodiment, the circulating oxygen supply mechanism 6 is arranged, and a certain amount of oxygen can be automatically added into the shell 3 after the operation window 504 is blocked, so that the oxygen concentration in the shell 3 is guaranteed, the danger that workers suffocate due to oxygen deficiency in the shell 3 is avoided, and the use safety of the device can be improved to a great extent.

Example IV

According to the embodiment shown in fig. 1 and 10, the multi-terrain moving mechanism 7 comprises a trapezoid block 701 fixedly installed at the lower end of the horizontal plate 1, a driving rotary drum 702 is movably installed on the front side and the rear side of the trapezoid block 701, a movable crawler 703 is detachably installed on the driving rotary drum 702, a controller 704 is fixedly installed on the trapezoid block 701, the controller 704 is electrically connected with the driving rotary drum 702 through a wire, in operation, the driving rotary drum 702 rotates under the action of the controller 704, and the movable crawler 703 horizontally moves when the driving rotary drum 702 rotates, so that the device moves.

In this embodiment, after the housing 3 moves downward, the driving drum 702 rotates under the action of the controller 704, and when the driving drum 702 rotates, the moving track 703 moves horizontally, and when the moving track 703 moves, the device moves horizontally, so that the device leaves a dangerous area as soon as possible.

As shown in FIG. 10, the trapezoid blocks 701 have an upper end wider than a lower end, and form inclined planes on the left and right sides, so that rollover of the device due to inertia during movement can be avoided to a great extent, and the stability of the device can be improved to a great extent by using the moving tracks 703 instead of the conventional round wheels.

The multi-terrain moving mechanism 7 is arranged, and the moving caterpillar 703 and the driving rotary drum 702 are matched, so that the device can be automatically transferred to a safety area when a dangerous situation occurs, and the rescue probability of trapped personnel can be improved to a great extent.

Example five

According to the embodiment shown in fig. 1, 9 and 10, the auxiliary escape mechanism 8 comprises a vertical cavity 801 formed in the horizontal plate 1, mounting inclined slots 802 are formed in the left and right sides of the inside of the trapezoid block 701, an air hose 803 is fixedly connected between the vertical cavity 801 and the mounting inclined slots 802, a driving slide block 804 is movably mounted in the mounting inclined slots 802, a return spring 805 is fixedly connected between the driving slide block 804 and the inner wall of the mounting inclined slots 802, a movable push plate 806 is rotatably connected to the driving slide block 804, the driving slide block 804 is initially located in the mounting inclined slots 802 under the action of the return spring 805, and at the moment, the movable push plate 806 and the driving slide block 804 are in a parallel state, and when the driving slide block 804 extends out of the mounting inclined slots 802, the movable push plate 806 automatically rotates to be in a vertical state.

Specifically, the movable pushing plate 806 can move back and forth under the action of the driving slide block 804, the shape of the outer surface of the rectangular slide block 605 is matched with the shape of the inner surface of the vertical cavity 801, the outer surface of the driving slide block 804 is tightly attached to the inner wall of the installation chute 802, and when the rectangular slide block 605 moves downwards along the vertical cavity 801, the driving slide block 804 can extend out of the installation chute 802.

In this embodiment, as shown in fig. 9, when the housing 3 moves downward, the rectangular slide block 605 is inserted into the vertical cavity 801, and when the rectangular slide block 605 moves downward, air in the vertical cavity 801 enters into the installation chute 802 through the air hose 803, so that the driving slide block 804 extends outward, and in the process of extending the driving slide block 804, the movable push plate 806 extends synchronously.

Subsequently, the two movable pushing plates 806 can move back and forth under the action of the driving slide blocks 804, and sand and stones blocked on the left side and the right side of the trapezoid blocks 701 can be pushed away in the moving process of the movable pushing plates 806, so that the effect of helping trapped people get rid of trapped people more quickly is achieved.

According to the embodiment, the auxiliary escaping mechanism 8 is arranged, sand and stones piled up on the left side and the right side of the trapezoid block 701 can be automatically pushed away, the escaping speed of the device can be improved to a great extent, jolt generated when the device moves can be reduced to a certain extent, and secondary injury to trapped people in the moving process is avoided.

The control mode of the invention is automatically controlled by the controller, the control circuit of the controller can be realized by simple programming of a person skilled in the art, the supply of power also belongs to common knowledge in the art, and the invention is mainly used for protecting a mechanical device, so the invention does not explain the control mode and circuit connection in detail.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. The utility model provides a safety device for borehole operation, includes horizontal plate (1), and the upper end fixed mounting of horizontal plate (1) has flexible push rod (2), and the upper end fixed mounting of flexible push rod (2) has casing (3), its characterized in that: the upper end of the shell (3) is provided with a safety protection mechanism (4), the inside of the shell (3) is provided with a window plugging mechanism (5) and a circulating oxygen supply mechanism (6) for preventing broken stones from entering, and the lower end of the horizontal plate (1) is provided with a multi-terrain moving mechanism (7) and an auxiliary escape mechanism (8) for rapidly escaping from danger;

the safety protection mechanism (4) comprises a supporting component (401) fixedly installed at the upper end of the shell (3), an installation circular shaft (402) is arranged at the upper end of the supporting component (401), elastic baffle plates (403) are movably installed on the left side and the right side of the installation circular shaft (402), installation sliding rails (404) are fixedly installed on the front side and the rear side of the upper end of the shell (3), a driving component (405) is fixedly installed inside the installation sliding rails (404), a bidirectional screw rod (406) is movably installed on the driving component (405), a horizontal sliding block (407) is connected with the external threads of the bidirectional screw rod (406), an installation convex plate (408) is fixedly installed on the lower surface of the elastic baffle plates (403), and a movable inclined rod (409) is rotatably connected between the installation convex plate (408) and the horizontal sliding block (407);

the window plugging mechanism (5) comprises a gas storage empty tank (501) fixedly mounted at the upper end of the shell (3), a rectangular piston (502) is fixedly connected to the inside of the gas storage empty tank (501) in a sliding manner, an air pushing component (503) is fixedly connected to the rectangular piston (502), operation windows (504) are formed in the front side and the rear side of the shell (3), a gantry bracket (505) is fixedly mounted on the inner side of each operation window (504), an elastic air bag (506) is arranged in each gantry bracket (505), a connecting pipe (507) is fixedly mounted between each elastic air bag (506) and the gas storage empty tank (501), a pressing switch (508) is fixedly mounted at the lower end of each gantry bracket (505), and the pressing switch (508) is electrically connected with the telescopic push rod (2) through a wire;

the pushing assembly (503) comprises a horizontal rod fixedly connected with the rectangular piston (502), and a T-shaped plate is fixedly arranged at the other end of the horizontal rod and fixedly connected with the horizontal sliding block (407).

2. A safety shield apparatus for a downhole operation according to claim 1, wherein: the supporting component (401) comprises a fixed seat fixedly connected with the upper end of the shell (3), a telescopic plate is movably mounted on the fixed seat, and the telescopic plate is fixedly connected with the installation circular shaft (402).

3. A safety shield apparatus for a downhole operation according to claim 1, wherein: the driving assembly (405) comprises a driving motor fixedly mounted on the mounting sliding rail (404), an inductive switch is arranged in the elastic baffle (403), the inductive switch is electrically connected with the driving motor through a lead, the bidirectional screw rod (406) is composed of two threaded sections and smooth sections, threads of the two threaded sections are oppositely and symmetrically distributed on the left side and the right side of the smooth sections, and the output end of the driving motor is in power connection with the smooth sections of the bidirectional screw rod (406).

4. A safety shield apparatus for a downhole operation according to claim 1, wherein: the circulating oxygen supply mechanism (6) comprises an oxygen storage tank (601) fixedly arranged in the shell (3), an exhaust nozzle (602) is detachably arranged at the upper end of the oxygen storage tank (601), an oxygen pushing component (603) is movably arranged in the oxygen storage tank (601), a buffer spring (604) is fixedly connected between the upper end of the oxygen pushing component (603) and the inner wall of the oxygen storage tank (601), and a rectangular sliding block (605) is fixedly arranged at the lower end of the oxygen pushing component (603).

5. A safety shield apparatus for a downhole operation according to claim 4, wherein: the oxygen pushing assembly (603) comprises a round plug which is in sliding connection with the oxygen storage tank (601), the lower end of the round plug is fixedly connected with a vertical round rod, and the lower end of the vertical round rod extends to the outside of the shell (3) and is fixedly connected with the rectangular sliding block (605).

6. A safety shield apparatus for a downhole operation according to claim 4, wherein: the multi-terrain moving mechanism (7) comprises a trapezoid block (701) fixedly mounted at the lower end of the horizontal plate (1), a driving rotary drum (702) is movably mounted on the front side and the rear side of the trapezoid block (701), a movable crawler (703) is detachably mounted on the driving rotary drum (702), a controller (704) is fixedly mounted on the trapezoid block (701), and the controller (704) is electrically connected with the driving rotary drum (702) through a wire.

7. A safety shield apparatus for a downhole operation as recited in claim 6, wherein: the auxiliary escape mechanism (8) comprises a vertical cavity (801) formed in the horizontal plate (1), mounting inclined grooves (802) are formed in the left side and the right side of the inside of the trapezoid block (701), an air hose (803) is fixedly connected between the vertical cavity (801) and the mounting inclined grooves (802), a driving sliding block (804) is movably mounted in the mounting inclined grooves (802), a reset spring (805) is fixedly connected between the driving sliding block (804) and the inner wall of the mounting inclined grooves (802), and a movable pushing plate (806) is rotatably connected on the driving sliding block (804).

8. A safety shield apparatus for a downhole operation according to claim 7, wherein: the movable pushing plate (806) can move forwards and backwards under the action of the driving sliding block (804), the shape of the outer surface of the rectangular sliding block (605) is matched with that of the inner surface of the vertical cavity (801), and the outer surface of the driving sliding block (804) is tightly attached to the inner wall of the installation chute (802).