CN114955808A - Anti-falling mine cage with built-in buffer protection mechanism - Google Patents
Anti-falling mine cage with built-in buffer protection mechanism Download PDFInfo
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- CN114955808A CN114955808A CN202210920020.5A CN202210920020A CN114955808A CN 114955808 A CN114955808 A CN 114955808A CN 202210920020 A CN202210920020 A CN 202210920020A CN 114955808 A CN114955808 A CN 114955808A
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- Prior art keywords
- cage body
- block
- cage
- rod
- transmission rod
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B17/00—Hoistway equipment
- B66B17/04—Mining-hoist cars or cages
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
- B66B5/18—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/28—Buffer-stops for cars, cages, or skips
- B66B5/282—Structure thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/28—Buffer-stops for cars, cages, or skips
- B66B5/284—Buffer-stops for cars, cages, or skips mounted on cars or counterweights
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Dampers (AREA)
Abstract
The invention discloses an anti-falling mine cage with a built-in buffer protection mechanism, wherein a cage body is divided into an upper cavity and a lower cavity by a partition plate; an inflatable protective bag is arranged on the side surface of the lower cavity of the cage body; the top surface of the outer side of the cage body is provided with a motor, an output shaft of the motor is fixedly connected with a transmission rod positioned in the inner cavity of the cage body, the bottom of the transmission rod extends to the bottom surface of the cage body, and the transmission rod and the cage body are rotatably connected; the cage body is provided with at least one movable blocking part in the upper cavity, the blocking part is connected with the connecting block through a first connecting part, and the rotating transmission rod drives the connecting block to rotate, so that the blocking part extends out of the side face of the cage body to extrude the inner wall of a mine; the transmission rod of the lower cavity of the cage body is sleeved with a gripping rod in clearance fit with the transmission rod. This cage factor of safety is high, can realize the health protection to mine personnel when carrying out effective mechanical deceleration to the cage, the effectual personal safety who guarantees mine personnel.
Description
Technical Field
The invention belongs to the technical field of mining, and particularly relates to an anti-falling mining cage with a built-in buffer protection mechanism.
Background
When the shaft coal mine is mined, the cage is used as special equipment for conveying personnel to go up and down the shaft, and the personnel need to frequently take the cage. Although a series of measures have been taken for safe riding cages in recent years, cage failure often occurs due to inadequate equipment maintenance and illegal operation by personnel. And as the depth of the mine is large, the depth of most of the wells can reach 300 to 700 meters, once the tank falling phenomenon occurs, the shaft equipment is broken by smashing, the production stop maintenance is caused, and serious consequences are brought to the personal safety of miners.
Among the prior art, patent CN108996376A discloses a speed reduction buffer that cage was prevented falling, and this technical scheme produces the resistance through electromagnetic induction decelerator and makes the cage reduce the decline, protects through setting up aerifing buffer bottom the cage. Although the safety performance of the cage is improved to a certain extent by the technical scheme, the cage cannot be subjected to effective mechanical deceleration in time, and the safety coefficient is relatively low. And in the falling process of the cage, the passengers do not have any damping parts to perform body protection, so that potential safety hazards exist.
Therefore, the increase of some protective parts in the cage is urgently needed, and the personal safety of mine personnel is protected as fully as possible.
Disclosure of Invention
In order to solve the technical problem, the invention provides an anti-falling mine cage with a built-in buffer protection mechanism.
The invention provides the following technical scheme:
an anti-falling mining cage with a built-in buffer protection mechanism comprises a cage body, wherein the cage body is divided into an upper cavity and a lower cavity through a partition plate; an inflatable protective bag is arranged on the side surface of the lower cavity of the cage body; the top surface of the outer side of the cage body is provided with a motor, an output shaft of the motor is fixedly connected with a transmission rod positioned in the inner cavity of the cage body, the bottom of the transmission rod extends to the bottom surface of the cage body, and the transmission rod and the cage body are rotatably connected; a spacer bush is tightly sleeved on the transmission rod positioned in the upper cavity of the cage body, and a connecting block is sleeved on the transmission rod positioned on the spacer bush; the cage comprises a cage body, a connecting block, a transmission rod, a blocking component and a driving component, wherein the cage body is provided with at least one movable blocking component in an upper cavity, the blocking component is connected with the connecting block through a first connecting component, and the rotating transmission rod drives the connecting block to rotate, so that the blocking component extends out of the side face of the cage body to extrude the inner wall of a mine; and a grabbing rod in clearance fit with the transmission rod is sleeved on the transmission rod positioned in the lower cavity of the cage body, and the grabbing rod is fixed in the lower cavity of the cage body.
As an optimal scheme of the anti-falling type mining cage with the built-in buffer protection mechanism, the invention comprises the following steps: cage body bottom is equipped with the inlet channel who is linked together with the protection bag, inlet channel's port department is equipped with the formula slide switch part that can reset, the formula slide switch part that can reset links to each other with the transfer line through second adapting unit, drives the formula slide switch part that can reset through the pivoted transfer line and removes for inlet channel and external atmosphere intercommunication realize aerifing the protection bag.
As an optimal scheme of the anti-falling type mining cage with the built-in buffer protection mechanism, the invention comprises the following steps: the resettable sliding switch component comprises a blocking piece and a resetting spring; a slideway is arranged in the bottom surface of the cage body, and the shielding block is connected in the slideway in a sliding manner; a step is arranged on the innermost sliding side, one end of the return spring is abutted to the step, and the other end of the return spring is connected with the shielding block; the second connecting part comprises a connecting rope, an electromagnet and an iron block, the electromagnet is arranged on the blocking piece, the iron block is connected to one end of the connecting rope, the iron block penetrates through the reset spring to be connected with the electromagnet which is electrified, and the other end of the connecting rope is connected with the transmission rod; the rope is connected in the winding of pivoted transfer line to the pulling shelters from the piece and removes, after reset spring compressed the preset distance, makes the iron plate break away from after the electro-magnet loses the electricity, and reset spring promotes to shelter from the piece and closes air inlet channel.
As an optimal scheme of the anti-falling type mining cage with the built-in buffer protection mechanism, the invention comprises the following steps: the cage body is provided with a storage battery, a controller, a tension sensor and a speed sensor; the tension sensor and the speed sensor are respectively connected with the input end of the controller, and the output end of the controller is respectively connected with the motor and the electromagnet; the storage battery is connected with the motor and the controller; the tension sensor is used for detecting tension of a cage lifting rope, the speed sensor is used for detecting lifting speed of the cage, and when the detected tension is smaller than a preset value and/or the speed is larger than the preset value, the controller starts the motor to rotate after receiving signals.
As an optimal scheme of the anti-falling type mining cage with the built-in buffer protection mechanism, the invention comprises the following steps: cage body bottom is equipped with a plurality of inlet channel that are linked together with the protection bag, and each inlet channel department all is equipped with a formula that can reset slide switch part, drives a plurality of formula that can reset slide switch parts simultaneously through the pivoted transfer line and removes to this increase protection bag air input.
As an optimal scheme of the anti-falling type mining cage with the built-in buffer protection mechanism, the invention comprises the following steps: the first connecting part comprises a transmission bevel gear, a bevel gear connecting rod and a moving rod; the blocking component is a pushing block provided with a friction surface; a connecting column is arranged in the upper cavity of the cage body, and the rod part of the conical gear connecting rod is rotatably connected to the connecting column; the transmission conical gear is fixedly sleeved on the connecting block and is meshed with the conical gear at the end part of the conical gear connecting rod; an internal thread is arranged in the rod part inner cavity of the conical gear connecting rod, an external thread is arranged on the outer wall of the moving rod, the moving rod is arranged in the rod part inner cavity of the conical gear connecting rod, and the moving rod is driven to move through the rotating conical gear connecting rod; the pushing block is connected to the side face of the cage body in a sliding mode and is arranged in a limiting groove formed in the side face of the cage body, and the pushing block is connected with the moving rod.
As an optimal scheme of the anti-falling type mining cage with the built-in buffer protection mechanism, the invention comprises the following steps: the top surface of the outer side of the cage body is provided with a liftable speed reducing block; a placing frame is arranged in the upper cavity of the cage body, and the rod part of the conical gear connecting rod penetrates through the placing frame and is in running fit with the placing frame; a driving gear is sleeved on the rod part of the conical gear connecting rod in the placing frame in a tight fit manner; a sliding block is arranged in the placing frame in a sliding mode, and a rack on the sliding block is meshed with the driving gear; be located and be equipped with the speed reduction piece on the outside top surface of cage body, the sliding block is connected with the speed reduction piece.
As an optimal scheme of the anti-falling type mining cage with the built-in buffer protection mechanism, the invention comprises the following steps: a clamping component which enables the connecting block to rotate in a single direction is arranged between the transmission rod and the circumferential surface of the connecting block in opposite directions; when the motor drives the transmission rod to rotate in the forward direction, the transmission rod drives the connecting block to rotate; when the motor drives the transmission rod to rotate reversely, the connecting block does not rotate.
As an optimal scheme of the anti-falling type mining cage with the built-in buffer protection mechanism, the invention comprises the following steps: the clamping component comprises a spring, a clamping tongue and a clamping block; the inner peripheral surface of the connecting block is provided with a circle of clamping grooves, the outer peripheral surface of the transmission rod is provided with a plurality of grooves, clamping tongues are hinged in the grooves, the top ends of the clamping tongues are clamped in the clamping grooves, one end of the spring is connected with the clamping tongues, and the other end of the spring is connected with the grooves; the outer peripheral face of the connecting block is tightly attached with a clamping block, the clamping block is fixedly connected with the cage body, and the friction force between the connecting block and the clamping block is greater than the elastic force of the spring.
As an optimal scheme of the anti-falling type mining cage with the built-in buffer protection mechanism, the invention comprises the following steps: a fixed block is sleeved on the transmission rod in the upper cavity of the cage body in a tight fit manner, and a striking block is hinged on the fixed block; the top surface of the inner side of the cavity on the cage body positioned at the periphery of the transmission rod is provided with a circle of placing blocks arranged at intervals, and the beating blocks are driven to beat the placing blocks at the periphery through the rotating transmission rod.
As an optimal scheme of the anti-falling type mining cage with the built-in buffer protection mechanism, the invention comprises the following steps: and an air outlet with a plug is arranged on the inflatable protective bag.
Compared with the prior art, the invention has the beneficial effects that:
1. under the block of block tongue, make the transfer line can drive the connecting block and rotate, the pivoted connecting block passes through the bevel gear connecting rod and drives drive gear and rotate, thereby make the sliding block slide in the protective frame is inside, and then make the deceleration piece open, carry out the operation of slowing down to the cage body, the rotation of bevel gear connecting rod simultaneously, under the spacing of spacing groove, make and promote the piece and stretch out, extrude the inner wall of mine, thereby make whole cage can carry out the operation of slowing down through multiunit mechanical system, the security of cage body has been improved.
2. Through setting up the protection bag at the cage lateral wall, the cage when the whereabouts, through air inlet automatic charging, make the inside of protection bag can be quick be full of gas, the protection bag not only can cushion the protection to mine personnel's health, and can also make mine personnel when the cage body is buried, inhales through the gas that will protect the bag inside, improves staff's survival rate.
3. Through the rotation of motor, drive the fixed block and rotate to the piece is beaten to the piece of placing under the reaction force of centripetal force to the messenger, and then makes the automation that whole device can last take place the sound, and the personnel of being convenient for search and rescue rescues stranded personnel, and further improvement the survival rate when the staff is stranded inside the cage body.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
In the drawings:
FIG. 1 is a schematic view of the overall structure of an anti-falling mining cage with a built-in buffer protection mechanism;
FIG. 2 is a schematic view of an internal three-dimensional structure of an anti-falling mining cage with a built-in buffer protection mechanism;
FIG. 3 is a schematic structural diagram of a front cross section of an anti-falling mining cage with a built-in buffer protection mechanism;
FIG. 4 is a schematic view of a locally enlarged structure of an anti-falling type mining cage with a built-in buffer protection mechanism;
FIG. 5 is a schematic view of the structure at A in FIG. 3;
FIG. 6 is a schematic perspective view of the combination of the transmission rod, the grab bar, and the connecting rope of the present invention;
FIG. 7 is a schematic view of a cross-sectional top view of the connection block and the transmission rod;
FIG. 8 is a schematic perspective view of the fixed block and the striking block of the present invention;
fig. 9 is a schematic perspective view of the connection block, the transmission bevel gear and the clamping block of the present invention.
The reference numbers in the figures: 1. a cage body; 101. an air intake passage; 102. a grasping rod; 103. a spacer sleeve; 104. a stop block is shielded; 105. a return spring; 106. connecting ropes; 107. a latch; 108. a spring; 109. connecting the column; 110. a limiting groove; 2. a protective bag; 201. an air outlet; 3. connecting blocks; 301. a clamping groove; 302. a transmission bevel gear; 303. a clamping block; 4. a bevel gear connecting rod; 401. a travel bar; 402. a pushing block; 403. a drive gear; 5. placing the frame; 501. a slider; 502. a deceleration block; 6. placing the blocks; 7. a fixed block; 701. striking a block; 8. a transmission rod; 9. an electric motor.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 9, the anti-falling mining cage with the built-in buffer protection mechanism comprises a cage body 1, wherein the cage body 1 is divided into an upper cavity and a lower cavity by a partition plate; the side surface of the lower cavity of the cage body 1 is provided with an inflatable protective bag 2; a motor 9 is installed on the top surface of the outer side of the cage body 1, an output shaft of the motor 9 is fixedly connected with a transmission rod 8 located in the inner cavity of the cage body 1, the bottom of the transmission rod 8 extends to the bottom surface of the cage body 1, and the transmission rod 8 and the bottom surface are rotatably connected; a spacer 103 is tightly sleeved on the transmission rod 8 positioned in the upper cavity of the cage body 1, and a connecting block 3 is sleeved on the transmission rod 8 positioned on the spacer 103;
at least one movable blocking part is arranged in an upper cavity of the cage body 1, the blocking part is connected with the connecting block 3 through a first connecting part, and the rotating transmission rod 8 drives the connecting block 3 to rotate, so that the blocking part extends out of the side face of the cage body 1 to extrude the inner wall of a mine; the drive rod 8 located in the lower cavity of the cage body 1 is sleeved with a grabbing rod 102 in clearance fit with the drive rod, and the grabbing rod 102 is fixed in the lower cavity of the cage body 1.
Above-mentioned scheme has improved the factor of safety of cage through carrying out mechanical speed reduction, setting up protection gasbag and grab bar to the cage. The gripping rod 102 is arranged to facilitate the fixing of the position of the transmission rod 8 by mine personnel, and the transmission rod does not interfere with the safety protection of the mine personnel when the transmission rod works.
Optionally, inflatable protective bags 2 are arranged on four sides of the lower cavity of the cage body 1.
Further scheme: be equipped with the inlet channel 101 that is linked together with protection bag 2 in cage body 1 bottom, the port department of inlet channel 101 is equipped with the formula that can reset slide switch part, and the formula that can reset slide switch part links to each other with transfer line 8 through first adapting unit, drives the formula that can reset slide switch part through pivoted transfer line 8 and removes for inlet channel 101 and external atmosphere intercommunication realize aerifing protection bag 2.
Further scheme: the resettable slide switch assembly includes a shutter block 104 and a return spring 105; a slideway is arranged in the bottom surface of the cage body 1, and the baffle block 104 is connected in the slideway in a sliding way; a step is arranged at the innermost sliding side, one end of a return spring 105 is abutted against the step, and the other end of the return spring is connected with a blocking piece 104; the second connecting part comprises a connecting rope 106, an electromagnet and an iron block, the electromagnet is arranged on the blocking piece 104, the iron block is connected to one end of the connecting rope 106, the iron block penetrates through a return spring 105 to be connected with the electrified electromagnet, and the other end of the connecting rope 106 is connected with the transmission rod 8; the rotating transmission rod 8 is wound on the connecting rope 106 so as to pull the blocking piece 104 to move, when the reset spring 105 is compressed for a preset distance, the electromagnet is powered off to separate the iron block, and the reset spring 105 pushes the blocking piece 104 to close the air inlet channel 101, so that the leakage of the gas inside the protective bag 2 is reduced.
Further scheme: the cage body 1 is provided with a storage battery, a controller, a tension sensor and a speed sensor; the tension sensor and the speed sensor are respectively connected with the input end of the controller, and the output end of the controller is respectively connected with the motor and the electromagnet; the storage battery is connected with the motor and the controller; the tension sensor is used for detecting tension of a cage lifting rope, the speed sensor is used for detecting lifting speed of the cage, and when the detected tension is smaller than a preset value and/or the speed is larger than the preset value, the controller receives a signal and then starts the motor to rotate.
Further scheme: cage body 1 bottom is equipped with a plurality of inlet channel 101 that are linked together with protective bag 2, and each inlet channel 101 department all is equipped with a formula that can reset slide switch part, drives a plurality of formula that can reset slide switch parts simultaneously through pivoted transfer line 8 and removes to this increase protective bag 2 air input.
Further scheme: the first connecting part comprises a transmission bevel gear 302, a bevel gear connecting rod 4 and a moving rod 401; the blocking member is a pushing block 402 provided with a friction surface; a connecting column 109 is arranged in the upper cavity of the cage body 1, and the rod part of the conical gear connecting rod 4 is rotatably connected to the connecting column 109; the transmission bevel gear 302 is fixedly sleeved on the connecting block 3 and is meshed with the bevel gear at the end part of the bevel gear connecting rod 4; an internal thread is arranged in the rod part inner cavity of the conical gear connecting rod 4, an external thread is arranged on the outer wall of the moving rod 401, the moving rod 401 is arranged in the rod part inner cavity of the conical gear connecting rod 4, and the moving rod 401 is driven to move through the rotating conical gear connecting rod 4; the pushing block 402 is slidably connected in a limiting groove 110 formed in the side surface of the cage body 1, and the pushing block 402 is connected with the moving rod 401.
From the above, the limiting groove 110 is a rectangular groove formed in the side of the cage body 1, the moving rod 401 is limited not to rotate along with the bevel gear connecting rod 4, the length of the moving rod 401 is adjusted, the pushing block 402 can be attached to the well, the pushing block 402 slides in the limiting groove 110, the pushing block 402 extrudes the inner wall of the mine, and the whole device can effectively conduct speed reduction operation on the falling cage body 1.
Further scheme: a liftable speed reduction block 502 is arranged on the top surface of the outer side of the cage body 1; a placing frame 5 is arranged in an upper cavity of the cage body 1, and a rod part of the conical gear connecting rod 4 penetrates through the placing frame 5 and is in running fit with the placing frame 5; a driving gear 403 is sleeved on the rod part of the conical gear connecting rod 4 in the placing frame 5 in a tight fit manner; a sliding block 501 is arranged in the placing frame 5 in a sliding mode, and a rack on the sliding block 501 is meshed with the driving gear 403; the top surface of the outer side of the cage body 1 is provided with a speed reducing block 502, and the sliding block 501 is connected with the speed reducing block 502. When the bevel gear connecting rod 4 rotates, the drive gear 403 inside the placement frame 5 rotates, so that the sliding block 501 is driven to move upwards to enable the speed reduction block 502 to rise and not to contact with the cage body 1, similar to a parachute, air can be trapped, the speed reduction purpose is achieved, and the falling speed of the cage body 1 is further reduced through the speed reduction of the speed reduction block 502.
This scheme makes whole cage can carry out the operation of slowing down through multiunit mechanical system, has further improved the security of cage body.
Further scheme: a clamping component which enables the connecting block 3 to rotate in a single direction is arranged between the transmission rod 8 and the circumferential surface of the connecting block 3 in the opposite direction; when the motor 9 drives the transmission rod 8 to rotate in the forward direction, the transmission rod 8 drives the connecting block 3 to rotate; when the motor 9 drives the transmission rod 8 to rotate reversely, the connecting block 3 does not rotate.
Further scheme: the clamping component comprises a spring 108, a clamping tongue 107 and a clamping block 303; a circle of clamping grooves 301 are formed in the inner peripheral surface of the connecting block 3, a plurality of grooves are formed in the outer peripheral surface of the transmission rod 8, clamping tongues 107 are hinged in the grooves, the top ends of the clamping tongues 107 are clamped in the clamping grooves 301, one end of each spring 108 is connected with the corresponding clamping tongue 107, and the other end of each spring is connected with the corresponding groove; the outer peripheral surface of the connecting block 3 is tightly attached with a clamping block 303, the clamping block 303 is fixedly connected with the cage body 1, and the friction force between the connecting block 3 and the clamping block 303 is greater than the elastic force of the spring 108.
Further scheme: a fixed block 7 is sleeved on a transmission rod 8 positioned in the upper cavity of the cage body 1 in a tight fit manner, and a striking block 701 is hinged on the fixed block 7; be located transfer line 8 cage body 1 all around and go up the inboard top surface department of cavity and be equipped with the piece 6 of placing of round interval arrangement, drive through pivoted transfer line 8 and hit piece 701 and hit and beat piece 6 of placing all around to make mine personnel when being buried, cage body 1 can send continuous impact sound automatically, and then the position of the search and rescue personnel accurate positioning cage of being convenient for, the search and rescue personnel's of being convenient for work.
Further scheme: the inflatable protective bag 2 is provided with an air outlet 201 with a plug.
After the cage falls, the inflated protective bag 2 can protect the head and the body of the mine personnel in the cage body 1, so that the safety of the personnel is ensured; if trapped in the well for a long time, the mine personnel can open the plug and release the air in the protective bag 2 so that the mine personnel can breathe, thereby improving the survival rate of the mine personnel. Of course, in order to save air in the protective bag 2, an air duct in a pre-prepared respirator can be inserted into the air outlet 201 of the protective bag 2, and the breathing can be performed through the respirator.
The invention relates to an anti-falling mining cage with a built-in buffer protection mechanism, which has the following operation principle: when the cage body 1 falls down rapidly due to an accident (a lifting rope is broken or a lifting machine fails), the tension sensor transmits a detection value smaller than a preset tension value to the controller or the speed sensor transmits a detection value larger than a preset speed value to the controller, the controller controls the servo motor 9 to operate (namely, rotate in the forward direction), so that the transmission rod 8 drives the connecting block 3 to rotate, the clamping tongue 107 is clamped inside the clamping groove 301, the connecting block 3 and the transmission rod 8 rotate simultaneously, the transmission rod 8 rolls the connecting rope 106, the reset spring 105 is compressed and deformed, the blocking block 104 opens the air inlet 101, so that external air can rapidly inflate the protective bag 2, and the inflated protective bag 2 protects mine personnel inside the cage body 1; during inflation, the rotation of the connecting block 3 drives the transmission bevel gear 302 to rotate, so that the bevel gear connecting rod 4 rotates on the connecting column 109, the moving rod 401 pushes the pushing block 402 to move outwards under the limiting of the limiting groove 110, and the driving gear 403 pushes the sliding block 501 to move upwards while the bevel gear connecting rod 4 rotates, so that the sliding block 501 lifts the speed reducing block 502, and the falling speed of the cage body 1 is reduced; the rotation of the fixed block 7 drives the hitting block 701 to rotate, the surrounding placing blocks 6 are hit, mine personnel are reminded that the cage fails, and self-protection preparation is made; after the protective bag 2 is inflated for a period of time, the controller controls the electromagnet to lose power, the electromagnet after the power is lost enables the iron block to fall off, so that the return spring 105 pushes the blocking piece 104 to close the air inlet channel, and the leakage of the gas in the protective bag 2 is reduced; the controller continues to control the servo motor 9 to reversely rotate, at the moment, under the clamping of the clamping block 303 (the friction force between the connecting block 3 and the clamping block 303 is larger than the elastic force of the spring 108), the transmission rod 8 cannot drive the connecting block 3 to rotate, at the moment, the transmission rod 8 drives the fixing block 7 to rotate, so that the striking block 701 collides with the placing block 6 and continuously makes a sound, and when mine personnel are buried, the buried mine personnel can be rescued by external workers conveniently.
In conclusion, the invention provides an anti-falling mine cage with a built-in buffer protection mechanism, which comprises a cage body, wherein a protection bag is arranged in the inner cavity of the cage body, and the cage is automatically inflated through an air inlet when falling, so that the interior of the protection bag can be quickly filled with gas; the upper surface of the cage body is connected with a motor, the output end of the motor is fixedly connected with a transmission rod, and the transmission rod rotating in the forward direction enables the pushing block to extrude the inner wall of a mine, so that the falling cage body is effectively subjected to speed reduction operation; on the other hand, the sliding block is driven to move upwards, so that the speed reducing block rises and is not contacted with the cage body, and the falling rate of the cage body is further slowed down; thirdly, the striking block rotates to strike the surrounding placing blocks to remind mine personnel that the cage is in failure, and self-protection preparation is made; the motor rotates the drive rod in a reverse rotation mode, so that the striking block rotates to continuously strike the surrounding placing blocks to continuously make sound, and external workers can rescue the buried mine workers conveniently.
In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than others, combinations of features of different embodiments are also meant to be within the scope of the invention and form different embodiments. For example, in the above embodiments, those skilled in the art can use the combination according to the known technical solutions and technical problems to be solved by the present application.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides a mining cage of formula of preventing weighing down of built-in buffering protection machanism, includes cage body (1), its characterized in that:
the cage body (1) is divided into an upper cavity and a lower cavity by a partition plate;
an inflatable protective bag (2) is arranged on the side surface of the lower cavity of the cage body (1);
the top surface of the outer side of the cage body (1) is provided with a motor (9), an output shaft of the motor (9) is fixedly connected with a transmission rod (8) positioned in the inner cavity of the cage body (1), the bottom of the transmission rod (8) extends to the bottom surface of the cage body (1), and the transmission rod are rotatably connected;
a spacer bush (103) is tightly sleeved on the transmission rod (8) positioned in the upper cavity of the cage body (1), and a connecting block (3) is sleeved on the transmission rod (8) positioned on the spacer bush (103);
at least one movable blocking part is arranged in an upper cavity of the cage body (1), the blocking part is connected with the connecting block (3) through a first connecting part, and the rotating transmission rod (8) drives the connecting block (3) to rotate, so that the blocking part extends out of the side face of the cage body (1) to extrude the inner wall of a mine;
the transmission rod (8) positioned in the lower cavity of the cage body (1) is sleeved with a grabbing rod (102) in clearance fit with the transmission rod, and the grabbing rod (102) is fixed in the lower cavity of the cage body (1).
2. The anti-falling mining cage with the built-in buffer protection mechanism according to claim 1, characterized in that:
cage body (1) bottom is equipped with inlet channel (101) that are linked together with protection bag (2), the port department of inlet channel (101) is equipped with the formula that can reset slide switch part, the formula that can reset slide switch part passes through second adapting unit and links to each other with transfer line (8), drives the formula that can reset slide switch part through pivoted transfer line (8) and removes for inlet channel (101) and external atmosphere intercommunication realize aerifing protection bag (2).
3. The anti-falling mining cage with the built-in buffer protection mechanism according to claim 2, characterized in that:
the resettable sliding switch component comprises a blocking piece (104) and a reset spring (105); a slideway is arranged in the bottom surface of the cage body (1), and the blocking piece (104) is connected in the slideway in a sliding manner;
a step is arranged on the innermost sliding side, one end of the reset spring (105) abuts against the step, and the other end of the reset spring is connected with the blocking piece (104);
the second connecting part comprises a connecting rope (106), an electromagnet and an iron block, the electromagnet is installed on the blocking piece (104), the iron block is connected to one end of the connecting rope (106), the iron block penetrates through a return spring (105) to be connected with the electrified electromagnet, and the other end of the connecting rope (106) is connected with the transmission rod (8);
the rotating transmission rod (8) is wound on the connecting rope (106) so as to pull the blocking piece (104) to move, when the reset spring (105) is compressed for a preset distance, the electromagnet is powered off to separate the iron block, and the reset spring (105) pushes the blocking piece (104) to close the air inlet channel (101).
4. The anti-falling mining cage with the built-in buffer protection mechanism according to claim 1, characterized in that:
cage body (1) bottom is equipped with a plurality of inlet channel (101) that are linked together with protection bag (2), and each inlet channel (101) department all is equipped with one formula of can restoring to the throne slide switch part, drives a plurality of formula of can restoring to the throne slide switch parts simultaneously through pivoted transfer line (8) and removes to this increase protection bag (2) air input.
5. The anti-falling mining cage with the built-in buffer protection mechanism according to claim 1, characterized in that:
the first connecting part comprises a transmission bevel gear (302), a bevel gear connecting rod (4) and a moving rod (401);
the blocking component is a pushing block (402) provided with a friction surface;
a connecting column (109) is arranged in an upper cavity of the cage body (1), and the rod part of the conical gear connecting rod (4) is rotatably connected to the connecting column (109);
the transmission bevel gear (302) is fixedly sleeved on the connecting block (3) and meshed with a bevel gear at the end part of the bevel gear connecting rod (4);
an internal thread is arranged in a rod part inner cavity of the conical gear connecting rod (4), an external thread is arranged on the outer wall of the moving rod (401), the moving rod (401) is arranged in the rod part inner cavity of the conical gear connecting rod (4), and the moving rod (401) is driven to move through the rotating conical gear connecting rod (4);
the pushing block (402) is connected to the side face of the cage body (1) in a sliding mode in a limiting groove (110) formed in the side face of the cage body, and the pushing block (402) is connected with the moving rod (401).
6. The anti-falling mining cage with the built-in buffer protection mechanism according to claim 5, characterized in that:
a liftable speed reduction block (502) is arranged on the top surface of the outer side of the cage body (1);
a placing frame (5) is arranged in an upper cavity of the cage body (1), a rod part of the conical gear connecting rod (4) penetrates through the placing frame (5), and the conical gear connecting rod and the placing frame are in running fit;
a driving gear (403) is sleeved on the rod part of the conical gear connecting rod (4) in the placing frame (5) in a tight fit manner;
a sliding block (501) is arranged in the placing frame (5) in a sliding mode, and a rack on the sliding block (501) is meshed with the driving gear (403);
be located and be equipped with speed reduction piece (502) on the outside top surface of cage body (1), sliding block (501) are connected with speed reduction piece (502).
7. The anti-falling mining cage with the built-in buffer protection mechanism according to claim 1, characterized in that:
a clamping component which enables the connecting block (3) to rotate in a single direction is arranged between the circumferential surfaces of the transmission rod (8) and the connecting block (3) which face each other;
when the motor (9) drives the transmission rod (8) to rotate in the forward direction, the transmission rod (8) drives the connecting block (3) to rotate; when the motor (9) drives the transmission rod (8) to rotate reversely, the connecting block (3) does not rotate.
8. The anti-falling mining cage with the built-in buffer protection mechanism according to claim 7, characterized in that:
the clamping component comprises a spring (108), a clamping tongue (107) and a clamping block (303);
a circle of clamping grooves (301) are formed in the inner peripheral surface of the connecting block (3), a plurality of grooves are formed in the outer peripheral surface of the transmission rod (8), clamping tongues (107) are hinged in the grooves, the top ends of the clamping tongues (107) are clamped in the clamping grooves (301), one end of each spring (108) is connected with each clamping tongue (107), and the other end of each spring is connected with each groove;
the outer peripheral face of connecting block (3) is pasted closely and is had grip block (303), fixed connection between grip block (303) and cage body (1), the frictional force between connecting block (3) and grip block (303) is greater than the elasticity of spring (108).
9. The anti-falling mining cage with the built-in buffer protection mechanism according to claim 7, characterized in that:
a fixed block (7) is sleeved on a transmission rod (8) positioned in an upper cavity of the cage body (1) in a tight fit manner, and a striking block (701) is hinged on the fixed block (7);
the top surface of the inner side of the cavity on the cage body (1) around the transmission rod (8) is provided with a circle of placing blocks (6) which are arranged at intervals, and the hitting blocks (701) are driven to hit the placing blocks (6) around through the rotating transmission rod (8).
10. The anti-falling mining cage with the built-in buffer protection mechanism according to claim 1, characterized in that:
an air outlet (201) with a plug is arranged on the inflatable protective bag (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210920020.5A CN114955808A (en) | 2022-08-02 | 2022-08-02 | Anti-falling mine cage with built-in buffer protection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210920020.5A CN114955808A (en) | 2022-08-02 | 2022-08-02 | Anti-falling mine cage with built-in buffer protection mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114955808A true CN114955808A (en) | 2022-08-30 |
Family
ID=82968753
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210920020.5A Pending CN114955808A (en) | 2022-08-02 | 2022-08-02 | Anti-falling mine cage with built-in buffer protection mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114955808A (en) |
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| JPH08143241A (en) * | 1994-11-22 | 1996-06-04 | Hitachi Building Syst Eng & Service Co Ltd | Operating test device for hydraulic elevator emergency stop device |
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Application publication date: 20220830 |