CN101691827B - Safe mine lifter cage door locking device - Google Patents
Safe mine lifter cage door locking device Download PDFInfo
- Publication number
- CN101691827B CN101691827B CN2009100741205A CN200910074120A CN101691827B CN 101691827 B CN101691827 B CN 101691827B CN 2009100741205 A CN2009100741205 A CN 2009100741205A CN 200910074120 A CN200910074120 A CN 200910074120A CN 101691827 B CN101691827 B CN 101691827B
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- lock core
- cage
- fixed
- ratchet
- skewback
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Abstract
The invention relates to a safe mine lifter cage door locking device. A support mounting lock core is fixedly connected with a base; a shell is buckled and fixed on the base to form the body of the safe mine lifter cage door locking device; a ratchet on one end surface of a shaft gear is meshed with a ratchet on the end surface of a revolving arm; another end shaft is sleeved with a fixed inclined block and is adhered to a movable inclined block; a shifting fork is connected with a shifting block of the movable inclined block in a sliding way; a clutch spring is sleeved on one end of the fixed inclined block of the shaft gear; a long rod rack is sleeved on the clutch spring and is fixed by spring bases pins on two ends; a rotating shaft is arranged in the center of the revolving arm; the pins on two ends are connected with two swing rods and two short rods; and the short rods are connected with levers which are symmetric to each other up and down. The safe mine lifter cage door locking device has simple structure, flexible operation, reliable action and small volume, adopts a purely mechanical structure, is fixed on a cage to run together with the cage, solves the problems that the cage door can not be opened conveniently with power and needs to be protected against explosion and achieves the purpose of safe and reliable running.
Description
Technical field
The present invention relates to a kind of mine hoist cage gate safety device, especially a kind of device that is used for the keying of mine hoist cage gate safety that comprises blocking device body, dead bolt, limited block, ratchet clutch, crank and rocker mechanism, rack and pinion drive mechanism.
Background technology
Mine hoist has vertical shaft winder and incline hoist, and the mine degree of depth has hundreds of rice dark usually, carries general employing winding cage into and out of equipment and the personnel of well, and cage is a rectangular structure, and the both sides perforation also is equipped with door; Winding cage is divided into individual layer and double-decker, and bottom transports personnel or equipment, the general special personnel that are used for transporting in upper strata.The door of single decker cage is generally simple and easy rolling door structure, and the two-deck(er) cage bottom is the rolling door structure, and the upper strata is frame type sliding door or collapsible sliding door structure.
In order to improve the security reliability of mine hoist cage operation, at the shaft mouth side of coal mine well port parking lot and shaft station turnover cage gate, installed the well head interlock additional in recent years; The utility model patent of publication number CN201148301 for example, this patent is a mechanical-electrical-hydraulic integration equipment, is frame construction; By the sensor that whether puts in place as the detection cage near switch, cage puts in place and comes to a complete stop, and sends the instruction of opening the door by controller; Solenoid operated directional valve is connected relevant hydraulic circuit, and the latching door that seals well head is opened in the hydraulic jack action; Send instruction by the cage operative employee then; Solenoid operated directional valve and hydraulic jack are carried out reciprocal action, close the latching door of well head, get ready for cage moves next time.This blocking device is installed in the shaft mouth side of coal mine well port parking lot and shaft station turnover cage gate; Though played safe and reliable keying effect, there is complex structure, the problem that energising opens and closes; And can only install in the permanent position; And at elevator up and down in the running, cage gate still is in free state, has potential safety hazard.
Summary of the invention
The purpose of this invention is to provide a kind of safe mine lifter cage door locking device, in order to solve the fixed point installation question of existing cage gate blocking device on coal mine well port parking lot and limit, shaft station; The blocking device complex structure, the problem that needs energising to open and close; Elevator is in running, and cage gate is in the problem that there is potential safety hazard in freely openable.
In order to address the above problem and realize above-mentioned purpose, the measure that the present invention taked comprise the blocking device body that is fixed on the cage gate and with the corresponding dead bolt of blocking device body, and the hard-wired limited block in cage parking space; Lock core in the blocking device body comprises ratchet clutch, crank and rocker mechanism and rack and pinion drive mechanism.Wherein, the blocking device body is to be fixedly connected with the lock core support on its base and lock core is installed, and housing spiral-lock lock core support and lock core also are fixedly mounted on the base; To be the end ratchet of shaft gear one end be meshed with end ratchet on the revoliving arm described lock core, is set with on the axle of the other end and decides skewback, and fit with moving skewback and to be connected; Shifting block on shift fork and the moving skewback is slidingly connected, and clutch spring is installed in shaft gear and decides skewback one side formation ratchet clutch; Be set with back-moving spring on the stock tooth bar, by the spring base and the dowel fixes at two ends; And the formation rack and pinion drive mechanism that is meshed with shaft gear; Revoliving arm central authorities are rotating shaft, and its two ends bearing pin is connected with two rocking bars and two quarter butts constitute crank and rocker mechanism, and the lever that quarter butt and upper and lower symmetry are installed is connected to form lockable mechanism.
The present invention is through implementing the technical scheme of above-mentioned safe mine lifter cage door locking device; At first be that the cage gate safety interlock system is arranged on the cage; Solved the fixation problem that existing cage shaft atretostomia device fixedly is located at coal mine well port parking lot and shaft station turnover cage shaft mouth side; Next is to have simplified existing well head cage gate blocking device structure, has saved the labyrinth that electricity consumption could be opened cage gate, has realized pure frame for movement.The 3rd is at elevator up and down in the running, and the cage gate blocking device moves with cage, and is in blocking, has eliminated potential safety hazard.
Lock core lockable mechanism of the present invention has solved the contradiction between the relation of the position between each mechanism in stock tooth bar input direction and the lock core by planar linkage mechanism and the vertical space mechanism that connects and composes of pintle hook lock up and down; The motion of tooth bar is transmitted or interrupted to gear output through the end ratchet arrangement of clutch, solved the multiple action relationships that automatic unlocking, manual release, lockable mechanism reset.
Apparatus of the present invention in use go slick, reliable in action, have reached safe and reliable purpose; And adopting pure frame for movement, volume is little, is fixed on the cage outside; Move with cage, both can open automatically, also can open in real time with key through manual work in coal mine well port parking lot and shaft station turnover cage shaft mouth side fixed point; Solved the inconvenience that the cage gate electricity consumption is opened, and electricity consumption needs requirement of explosion.
Description of drawings
Fig. 1 is the installation site structural representation of blocking device body of the present invention, dead bolt and limited block;
Fig. 2 is that the structure of dead bolt of the present invention constitutes sketch map;
Fig. 3 is the structural representation of blocking device body of the present invention and key;
Fig. 4 is the sectional structure sketch map of blocking device body of the present invention and lock core;
Fig. 5 is the sectional structure sketch map of base of the present invention, lock core support, lock core and dead bolt;
Fig. 6 is that the structure of lock core support of the present invention constitutes structural representation;
Fig. 7 is the partial structurtes sketch map of base of the present invention, lock core support, lock core.
Among the figure: 1: limited block; 2: the blocking device body; 3: dead bolt; 4: the limited block mounting rod; 5: the lock tongue fixed block; 6: base; 7: housing; 8: lock core; 9: the stock tooth bar; 10: key; 11: pin; 12: spring base; 13: back-moving spring; 14: the lock core support; 15: screw; 16: rocking bar; 17: shift fork; 18: lockable mechanism; 19: extension spring; 20: bearing pin; 21: clutch spring; 22: shaft gear; 23: revoliving arm: 24: the axial compression lid; 25: gland; 26: moving skewback; 27: decide skewback; 28: open keyhole; 29: quarter butt; 30: lever.
The specific embodiment
Through the specific embodiment a kind of safe mine lifter cage door locking device that the present invention proposes is described in further detail below; This professional those of ordinary skill is after having read the specific embodiment of the present invention; It is conspicuous can understanding and reproduce the present invention; Simultaneously, also can embody advantage and the effect that technical scheme of the present invention is brought.
Like Fig. 1, the installation site structural representation of elevator cage gate safety interlock system of the present invention comprises limited block 1, blocking device body 2 and dead bolt 3.Wherein, the stock tooth bar 9 corresponding permanent positions that are fixedly mounted on coal mine well port parking lot and shaft station turnover cage gate shaft mouth side of limited block 1 and blocking device body 2 are used for opening automatically cage gate; Blocking device body 2 is connected the cage gate outside by bolt, and the end face of its stock tooth bar 9 is corresponding with the end face of limited block 1; Dead bolt 3 by sunk screw install be packed on the cage gate with blocking device body 2 on the dead bolt opening corresponding, be used for the locking cage gate.
Like Fig. 2, the structure construction of dead bolt 3 is to be made up of lock tongue and lock tongue fixed block 5.
Like Fig. 3, blocking device body 2 is that the lock core support 14 like the said structure of Fig. 6 is fixedly connected on the base 6, again lock core 8 is fixedly connected on the lock core support 14, then with housing 7 spiral-lock lock core supports 14 with lock core 8 and be fixed on the base 6 and constitute one.It is corresponding supporting with dead bolt 3 on base 6, to offer a rectangular through holes, as the passage of dead bolt turnover locking.Have in side and to be used for through hole that key 10 opens lock cores as keyhole.
Like Fig. 4, the end face of housing 7 is welded with guide pin bushing, and stock tooth bar 9 is by passing through guide pin bushing and guide pin bushing lid in the housing 7.On stock tooth bar 9, be set with back-moving spring 13, the two ends of back-moving spring 13 are set with spring base 12, and on stock tooth bar 9, are provided with pin hole installation pin 11 fixing spring seats 12.Lock core 8 is installed on the lock core support 14 on the base 6 fixing.
Like Fig. 5, lock core 8 is made up of shift fork 17, lockable mechanism 18, extension spring 19, lock core support 14, clutch spring 21, shaft gear 22 and pawl clutch.
Its concrete structure is on the base 6 of blocking device body 2, to be connected with lock core support 14 by bolt; On lock core support 14, install and fix lock core 8 with gland 25 by axial compression lid 24; Housing 7 will be installed in lock core 8 spiral-locks on the lock core support 14 and be fixed on the base 6, constitute blocking device body 2;
Wherein, to be end ratchets of shaft gear 22 1 ends be meshed with end ratchet on the revoliving arm 23 described lock core 8, is set with on the axle of the other end and decides skewback 27, and fit with moving skewback 26 and to be connected; Shifting block on shift fork 17 and the moving skewback 26 is slidingly connected, and clutch spring 21 is installed in shaft gear and decides skewback 27 1 sides formation ratchet clutch; Be set with spring 13 on the stock tooth bar 9, and by the spring base 12 at two ends and pin 11 fixing, and the formation rack and pinion drive mechanism that is meshed with shaft gear; Revoliving arm 23 central authorities are rotating shaft, and its two ends bearing pin is connected with two rocking bars 16 and two quarter butts 29 constitute crank and rocker mechanism, and quarter butt 29 links to each other with the lever 30 that upper and lower symmetry is installed and constitutes lockable mechanism.
Like Fig. 6, the structure of lock core support 14 constitutes as figure, is the connector that is used to connect base 6 and lock core 8, lock core 8 is installed in lock core support 14 after, be fixed on the support 14 with gland 25 by axial compression lid 24.
Like Fig. 7, shaft gear 22 1 ends are set with decides skewback 27, and the termination is fixed by back-up ring; The other end is an end ratchet; The moving skewback 26 of opening is welded with shifting block up and down, and shifting block is stuck in the opening of shift fork 17 ends, decides skewback 27 and under the effect of clutch spring 21, is in fit-state with moving skewback 26; Spring force compresses two end ratchets through shaft gear 22 simultaneously, guarantees the both ends of the surface ratchet engaged.
Pawl clutch is an end ratchet; Two one of end ratchets that engagement is installed relatively are one with shaft gear 22; Under external force, moving skewback 26 wedgings, shaft gear 22 together moves right and compresses clutch spring 21 together with the skewback 27 of deciding that is set in the right side axle head.Moving skewback 26 withdraws from, and resets at clutch spring 21 effect lower shaft gears 22.Another end ratchet and revoliving arm 23 are one.Revoliving arm 23 can rotate but can not move axially.When cage is begun to move by halted state, stock tooth bar 9 disengages with limited block 1, and tooth bar is protruding under the effect of back-moving spring 13, slides to the right vertically when shaft gear 22 clockwise rotates, and ratchet withdraws from engagement, and gear is free to rotate; Rotate counterclockwise revoliving arm 23 when perhaps unblanking with key 10, though not motion of rack-and-pinion is in locking state, the axial thrust load of revoliving arm ratchet revolving force is passed shaft gear to the right vertically, breaks away from engagement, realizes the purpose of unblanking.
The limited block mounting rod 4 of limited block 1 can be adjusted the spacing of limited block 1 and stock tooth bar 9 ends; Make tooth bar produce definite distance that moves inward; The elevator cage moves to parking spot, and limited block 1 promotes stock tooth bar 9 and moves inward shaft gear 22 turning anticlockwises that are meshed with it; End ratchet through being meshed drives revoliving arm 23 and rocking bar 16, and lockable mechanism 18 opens release.Door can freely be opened.And leave parking spot when elevator starts, and spacing releasing, stock tooth bar 9 is protruding down in back-moving spring 13 effects, and shaft gear turns clockwise, and owing to the unidirectional delivery effect of ratchet is dallied shaft gear 22, can not influence the state of lockable mechanism 18.
When door is opened; Lock tongue fixed block 5 on the dead bolt 3 is stirred shift fork 17; The moving skewback 26 of shift fork 17 pullings forces the skewback 27 pulling shaft gears 22 of deciding that connect firmly with shaft gear 22 to slide vertically to the right, and two ratchets of end ratchet clutch are thrown off; Pintle hook lock resets under the effect of extension spring 19 up and down, resets subsequent use for close cage gate next time.
After cage gate was closed, no matter cage is in stopped still running status, can only use key 10 to open.
At closing time, the dead bolt 3 that connects firmly on the cage gate inserts lockhole, simultaneously; The lock tongue fixed block 5 of dead bolt 3 is stirred shift fork 17, and the moving skewback 26 of shift fork 17 pulling moves to opposite direction when opening the door, and decides skewback 27 impeller-hub gear 22 under the effect of clutch spring 21 and is moved to the left; Pawl clutch is closed; Pintle hook lock locks dead bolt up and down, and cage gate is locked, for the elevator operation is got ready.
Claims (1)
1. safe mine lifter cage door locking device, include the blocking device body (2) that is fixed on the cage gate and with the corresponding dead bolt of blocking device body (2) (3), and the hard-wired limited block in cage parking space (1); Lock core in the blocking device body (2) comprises ratchet clutch, crank and rocker mechanism and rack and pinion drive mechanism; It is characterized in that blocking device body (2) is to be fixedly connected with lock core support (14) on its base (6) and lock core (8) is installed, housing (7) spiral-lock lock core support (14) and lock core (8) also are fixed on the base (6);
To be the end ratchet of shaft gear (22) one ends be meshed with end ratchet on the revoliving arm (23) described lock core (8), is set with on the axle of the other end and decides skewback (27), and fit with moving skewback (26) and to be connected; Shifting block on shift fork (17) and the moving skewback (26) is slidingly connected, and clutch spring (21) is installed in shaft gear and decides skewback (27) one sides formation ratchet clutch; Be set with back-moving spring (13) on the stock tooth bar (9), fixing by the spring base (12) at two ends and pin (11), and the formation rack and pinion drive mechanism that is meshed with shaft gear (22); Revoliving arm (23) central authorities are rotating shaft, and its two ends bearing pin is connected with two rocking bars (16) and two quarter butts (29) constitute crank and rocker mechanism, and quarter butt (29) is connected to form lockable mechanism with the lever (30) that upper and lower symmetry is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100741205A CN101691827B (en) | 2009-04-08 | 2009-04-08 | Safe mine lifter cage door locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100741205A CN101691827B (en) | 2009-04-08 | 2009-04-08 | Safe mine lifter cage door locking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101691827A CN101691827A (en) | 2010-04-07 |
| CN101691827B true CN101691827B (en) | 2012-03-14 |
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ID=42080536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100741205A Expired - Fee Related CN101691827B (en) | 2009-04-08 | 2009-04-08 | Safe mine lifter cage door locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101691827B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101845924B (en) * | 2010-04-28 | 2013-04-24 | 浙江恒泰科技有限公司 | Rapid door-opening device of mining flame-proofing multiloop combination starter |
| CN104192293B (en) * | 2014-09-15 | 2016-06-08 | 北京航空航天大学 | A kind of equipment hatch door mechanism of thin wall-type Modeling of Complex Surface unmanned vehicle |
| CN110116665B (en) * | 2019-04-23 | 2023-06-09 | 太原科技大学 | Device and method for locking and fixing upper material carriage for vehicle |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2119469U (en) * | 1992-04-08 | 1992-10-21 | 大屯煤电公司龙东煤矿 | Mechanical lock for safety door of portal |
| CN2219879Y (en) * | 1995-01-20 | 1996-02-14 | 中国矿业大学 | Safety closing automatic cage gate device for mining hoist |
| CN201109674Y (en) * | 2007-11-01 | 2008-09-03 | 招金矿业股份有限公司 | Safety closing device of lifting machine |
| CN201148301Y (en) * | 2007-11-21 | 2008-11-12 | 永城煤电控股集团有限公司 | Safety door locking device of colliery auxiliary well |
-
2009
- 2009-04-08 CN CN2009100741205A patent/CN101691827B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2119469U (en) * | 1992-04-08 | 1992-10-21 | 大屯煤电公司龙东煤矿 | Mechanical lock for safety door of portal |
| CN2219879Y (en) * | 1995-01-20 | 1996-02-14 | 中国矿业大学 | Safety closing automatic cage gate device for mining hoist |
| CN201109674Y (en) * | 2007-11-01 | 2008-09-03 | 招金矿业股份有限公司 | Safety closing device of lifting machine |
| CN201148301Y (en) * | 2007-11-21 | 2008-11-12 | 永城煤电控股集团有限公司 | Safety door locking device of colliery auxiliary well |
Non-Patent Citations (1)
| Title |
|---|
| JP平3-26688A 1991.02.05 |
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| Publication number | Publication date |
|---|---|
| CN101691827A (en) | 2010-04-07 |
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Granted publication date: 20120314 Termination date: 20130408 |