CN110242296A - Coalcutter clutch locking device - Google Patents
Coalcutter clutch locking device Download PDFInfo
- Publication number
- CN110242296A CN110242296A CN201910645085.1A CN201910645085A CN110242296A CN 110242296 A CN110242296 A CN 110242296A CN 201910645085 A CN201910645085 A CN 201910645085A CN 110242296 A CN110242296 A CN 110242296A
- Authority
- CN
- China
- Prior art keywords
- coalcutter
- isolation seat
- gag lever
- lever post
- cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000002955 isolation Methods 0.000 claims abstract description 58
- 230000013011 mating Effects 0.000 claims description 5
- 239000003245 coal Substances 0.000 abstract description 5
- 238000003780 insertion Methods 0.000 abstract description 2
- 230000037431 insertion Effects 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 16
- 238000000034 method Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000035939 shock Effects 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003325 tomography Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C31/00—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam
- E21C31/02—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam for cutting or breaking-down devices
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/04—Safety devices
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
The present invention relates to a kind of coalcutter clutch locking devices, including a set of cups, flexible shaft, isolation seat, accessory plate and bolt mechanism, a set of cups and flexible shaft are coaxially arranged, the inner wall of a set of cups is equipped with former and later two radial ringed grooves and one or more axial groove, axial groove is connected to radial ringed groove, the central coaxial of isolation seat is arranged and is fixed on flexible shaft, radial overhanging boss can be rotated in radial ringed groove and be slid back and forth in axial groove on isolation seat, accessory plate is mounted on the rear of forward radial ringed groove, the front end face of accessory plate and a set of cups is each provided with locating slot or location hole, each locating slot or location hole and any one axial groove be not on same radial direction, the bolt mechanism being mounted on isolation seat can back through under spring force the through-hole on isolation seat insertion locating slot or Location hole.The present invention can effectively generally solve the lockout issue of coalcutter clutch, reduce the security risk of coal working face.
Description
Technical field
The present invention relates to a kind of locking devices of clutch for coalcutter, belong to coalcutter clutch technical field.
Background technique
As the main big component of flitting, the rocker arm of left and right two drives roller to rotate coal cutting, wherein clutch
Driving motor and the connection of transmission system are controlled by the axial float of flexible shaft and are separated.Flexible shaft passes through spline and driving electricity
Machine and transmission system connection.When driving flexible shaft to be moved to a position by clutch handle, flexible shaft spline and transmission
The state that the occlusion of system spline, as driving motor couple with transmission system, motor drives roller rotation by transmission system at this time
Turn；When driving flexible shaft to be moved to another position by handle, flexible shaft spline and transmission system spline are detached from, as drive
The state that dynamic motor is separated with transmission system, motor can not drive transmission system and roller at this time.
For position lockout issue of the flexible shaft under above two state, usual way is in axial two positions
One radial ringed groove of processing respectively is set, while designing an isolation seat on flexible shaft, the position of two radial ringed grooves
It sets corresponding with the axial position of flexible shaft under above two state respectively.When flexible shaft is moved to some position, rotation isolation
After seat enters one of them radial ringed groove, flexible shaft is just limited axially.This method coalcutter stable working,
Shaking in lesser situation is what there is no problem, but when coal quality is harder or encounters tomography, and coalcutter coal cutting shakes larger, clutch
Mechanism isolation seat may gradually rotate under the effect of frequent significant shock, can be axially disengaging radial ringed groove when rotating to
Angular position, just without the effect of axial limiting.If flexible shaft automatically disengages in rocker arm operation, flexible shaft is gently caused
And driveline damage, it seriously will lead to flexible shaft and fly out, endanger the personal safety of underground labour.
Summary of the invention
The present invention is intended to provide a kind of coalcutter clutch locking device, be able to achieve coalcutter clutch in "Off" and
Position locking under " conjunction " two states, effectively generally solves the lockout issue of coalcutter clutch, reduces down-hole coal excavation
The security risk of working face.
Main technical schemes of the invention have:
A kind of coalcutter clutch locking device, including a set of cups, flexible shaft, isolation seat, accessory plate, bolt mechanism and from
Hand handle is closed, a set of cups and flexible shaft are coaxially arranged, and the inner wall of a set of cups is equipped with former and later two radial ringed grooves and one
Item or a plurality of axial groove, the axial groove are connected to two radial ringed grooves, the central coaxial of the isolation seat
It is arranged and is fixed on the front of flexible shaft, the isolation seat is equipped with one or more radial overhanging boss, the boss energy
It reaches and rotates in the radial ringed groove and slid back and forth in the axial groove, the bolt mechanism includes cylinder, consolidates
The end cap of the front end of the cylinder, the gag lever post that front-rear direction runs through the cylinder and precommpression are determined and closed in the cylinder
Interior and cover the spring on the gag lever post, the rear end fitting of the cylinder is fixed on the front end face of the isolation seat, described
Corresponding position is equipped with through-hole on isolation seat, and the gag lever post is equipped with an annular convex platform, and the both ends of the spring are born against
On the rear end face of the end cap and the front end face of the annular convex platform, the annular convex platform is located at the cylinder under natural conditions
Interior and rear end face is resisted against on the front end face of the isolation seat, and the front end of the gag lever post forward extends out the cylinder, rear end
The isolation seat is stretched out backward via the through-hole, the accessory plate is mounted on the rear of the forward radial ringed groove,
The inboard end face of the front end face of the accessory plate and a set of cups is each provided with the multiple for institute of one or circumferentially-spaced distribution
State the rear end of gag lever post mating locating slot or location hole, each locating slot or location hole with described in any one
For axial groove not on same radial direction, the clutch hand handle is mounted on the front end of the flexible shaft.
The rear end of the gag lever post is inserted into the maximum length of the locating slot or location hole no more than the spring
Impulse stroke.
The axial groove can have two, 180 degree arrangement is mutually in circumferential direction, the locating slot or location hole are set in pairs
It sets, and the line of opposite two axial grooves is symmetrical.
The front end of the gag lever post can be equipped with and mention handle.
It described one end for mentioning handle can be hinged by pin and the gag lever post.
The pervious part of annular convex platform is preferably front fine and rear thick stepped shaft structure on the gag lever post.
The cylinder can be connected with welding with the isolation seat.
External screw thread is preferably provided on the end cap, the leading portion of the cylinder is correspondingly provided with internal screw thread, and the end cap screw thread connects
It connects on the cylinder.
The locating slot or location hole on the accessory plate and the locating slot on a set of cups or location hole are in week
Upward position is unlimited, can be identical or different.
Preferably close to the inboard end face of a set of cups in the annular groove axial direction rearward.
The beneficial effects of the present invention are:
The present invention realizes reliable axial and circumferential position under flexible shaft spline and transmission system spline coupled situation
Locking, therefore can be rotated to avoid isolation seat because of vibration, therefore can be automatically disengaged to avoid flexible shaft in rocker arm operation,
Significantly improve the safety of equipment and operation.
Moreover, due to being still able to achieve reliable axial and week in the state that flexible shaft and transmission system disengage
It is locked to position, therefore avoids the security risk under the state.
The position lock function under clutch "Off" and " conjunction " two states may be implemented in the present invention, and has superior
Operating characteristics, flexibility and reliability.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one embodiment of the present of invention；
Fig. 2 is the left view of Fig. 1；
Fig. 3 is the structural schematic diagram of a set of cups described in Fig. 1；
Fig. 4 is the structural schematic diagram of gag lever post described in Fig. 1.
Detailed description of the invention: 1- a set of cups；2- clutch hand handle；3- mentions handle；4- gag lever post；5- end cap；6- spring；7- cylinder；8- every
It disseats；9- flexible shaft；10- accessory plate；11- axial groove；The radial ringed groove of 12-；13- locating slot or location hole；14- platform
Rank；The rear end of 15- gag lever post；16- annular convex platform.
Specific embodiment
The invention discloses a kind of coalcutter clutch locking devices, as shown in Figs 1-4, including a set of cups 1, flexible shaft 9,
Isolation seat 8, accessory plate 10, bolt mechanism and clutch hand handle 2, a set of cups and flexible shaft are coaxially arranged, and the flexible shaft passes through
The a set of cups.The inner wall of a set of cups is equipped with former and later two radial ringed grooves 12 and one or more axial groove 11, point
Not Yong Yu axial and circumferential limit clutch, the radial ringed groove of two of them corresponds respectively to the into and out biography of flexible shaft
The position of dynamic system.The axial groove is connected to two radial ringed grooves.The central coaxial of the isolation seat is arranged
And it is fixed on the front of flexible shaft, therefore the two can synchronizing moving and rotation.The isolation seat is equipped with one or more radial
Overhanging boss, when the isolation seat follows flexible shaft to rotate and be moved forward and backward, the boss can be described radial ringed
It rotates in groove and is slid back and forth in the axial groove.The quantity of the boss is no more than the quantity of the axial groove,
And each boss has the axial groove being slidably matched therewith simultaneously.In the present embodiment, the isolation seat is in strip
Shape respectively has the boss at the both ends of length direction.The bolt mechanism includes cylinder 7, fixes and close the cylinder
The end cap 5 of front end, front-rear direction in the cylinder and covers in the limit through the gag lever post 4 of the cylinder and precommpression
Spring 6 on the bar of position.The rear end fitting of the cylinder is fixed on the front end face of the isolation seat, described in the isolation seat closing
The rear end of cylinder.The rear end of cylinder described in embodiment illustrated in fig. 1 fits in one opened up on the front end face of the isolation seat
In groove groove bottom.The groove bottom of corresponding position namely the groove is equipped with through-hole, the gag lever post on the isolation seat
It is equipped with an annular convex platform 16, zone of action of the annular convex platform with the space between the end cap as the spring, institute
The both ends for stating spring are born against on the rear end face of the end cap and the front end face of the annular convex platform.It is described under natural conditions
Annular convex platform is located in the cylinder and rear end be resisted against on the front end face of the isolation seat it is (described when being equipped with the groove
The rear end face of annular convex platform is resisted against in the groove bottom of the groove), the front end of the gag lever post forward extend out the cylinder, after
The isolation seat is stretched out via the through-hole in end backward.After the accessory plate is mounted on the forward radial ringed groove
The inboard end face of side, the front end face of the accessory plate and a set of cups is each provided with multiple confessions of one or circumferentially-spaced distribution
The rear end 15 of the gag lever post mating locating slot or location hole 13 are respectively used to clutch and disengage and enter transmission
Circumferential limit under system mode.Each locating slot or location hole and any one axial groove be not in same half
On diameter direction.The clutch hand handle is mounted on the front end of the flexible shaft.By operate clutch hand handle, push and pull with can be convenient and
The flexible shaft is rotated, to drive the back-and-forth motion of the isolation seat and circumferentially rotate.
The application method of the coalcutter clutch locking device is: when need to link motor and transmission system when, first
It is pulled along the gag lever post, the rear end of gag lever post is made to retract the locating slot or the positioning disengaged on the accessory plate forward
Hole, then rotate the isolation seat certain angle and the boss on isolation seat is made to be directed at corresponding axial groove, then described in operation
Flexible shaft is urged rearwardly into transmission system by clutch hand handle, and isolation seat is moved back therewith into radial ringed groove rearward, then is revolved
Turn the isolation seat certain angle, make some locating slot in the axial direction on the inboard end face of face a set of cups of the gag lever post or
Location hole, the boss on isolation seat has left corresponding axial groove at this time, and isolation seat is made to pass through radial ringed groove rearward
Axial limiting is obtained, the gag lever post is finally unclamped, gag lever post pops up the inboard of insertion a set of cups backward under spring force
In locating slot or location hole on end face, the angular limit of isolation seat is realized, coalcutter clutch is in " conjunction " state since then
And it locks.
When needing to be detached from motor and transmission system, it is first pulled along the gag lever post, the rear end of gag lever post is made to contract forward
Open the locating slot or the location hole on the inboard end face of a set of cups back off, then rotate the isolation seat certain angle make every
Boss on disseating is directed at corresponding axial groove, and flexible shaft is then pulled out forward transmission system by the clutch hand handle,
Isolation seat is moved forward therewith into forward radial ringed groove, then rotates the isolation seat certain angle, makes the gag lever post
Some locating slot or location hole on face accessory plate in the axial direction, the boss on isolation seat has left corresponding axial direction at this time
Groove makes isolation seat obtain axial limiting by forward radial ringed groove, finally unclamps the gag lever post, gag lever post is in bullet
Pop-up is inserted into locating slot or location hole on accessory plate backward under the action of spring force, realizes the angular limit of isolation seat, since then
Coalcutter clutch is in "Off" state and locks.
The axial groove also acts as the effect of guidance isolation seat and the into and out transmission system of flexible shaft.
Each locating slot or location hole and any one axial groove are used for not on same radial direction
Make isolation seat together with flexible shaft after axially obtaining limit, gag lever post can just be caught in locating slot or location hole, complete to clutch
The state of structure locks.
In the present embodiment, locating slot or location hole on the inboard end face of a set of cups are preferably non-through, and are located at
Locating slot or location hole on accessory plate are preferably to penetrate through.It is either any, all it is ensured that certain depth.
Rear end and mating, the reality of corresponding locating slot or location hole due to using bolt mechanism, using gag lever post
The secure ratcs of flexible shaft position are showed, even coalcutter is in the state of significant shock, flexible shaft is without departing from lock
Stop bit is set, and the safety of clutch is improved.
The rear end of the gag lever post is inserted into the maximum length of the locating slot or location hole no more than the spring
Impulse stroke, to ensure that the rear end of the gag lever post can smoothly pass in and out the locating slot or location hole 13.
As shown in Fig. 2, the axial groove there can be two, 180 degree arrangement is preferably mutually in circumferential direction.On the accessory plate
With on the inboard end face of a set of cups the locating slot or location hole be preferably arranged in pairs, such as two, four or six,
And the line of opposite two axial grooves is symmetrical, rotating left and right identical angle in this way can realize that position is locked
It is fixed, it can facilitate and simplify operation.Certainly the locating slot or location hole also can be set into asymmetric, not have to realizing to lock
It influences.
The front end of the gag lever post, which can be equipped with, mentions handle 3, manual behaviour when facilitating pull-out and loosen the gag lever post
Make.Adjacent to the clutch hand handle 2, a hand can operate while operating clutch hand handle and mention handle the handle that mentions.
It described one end for mentioning handle can be hinged by the connectors such as pin and the gag lever post.
The pervious part of annular convex platform is preferably front fine and rear thick stepped shaft structure, two sections of ladders on the gag lever post
Between be step 14.
A groove can be offered on the front end face of the isolation seat, the rear end of the cylinder is entirely embedded in the groove
Interior, the cylinder can be connected with welding with the isolation seat.Before welding, the rear end of the cylinder is just first embedded in the groove
It is interior, the positioning of groove cylinder when can facilitate welding.
External screw thread is preferably provided on the end cap, the leading portion of the cylinder is correspondingly provided with internal screw thread, and the end cap screw thread connects
It connects on the cylinder.
The erection sequence of the bolt mechanism are as follows: gag lever post 4 is packed into cavity first, spring 6 is reloaded into, then by end cap
5 are screwed into cylinder 7 behind the front end of gag lever post, are finally mounted on gag lever post handle is mentioned, otherwise are disassembly sequence.The bolt machine
Structure it is simple in construction, easy to disassemble and assemble.
The locating slot or location hole on the accessory plate and the locating slot on a set of cups or location hole are in week
Upward position is unlimited, can be identical or different, but the radial distance of the axis apart from flexible shaft answer it is equal.
Preferably close to the inboard end face (i.e. the front end face of inner end) of a set of cups in the annular groove axial direction rearward.
The accessory plate is in the axial direction preferably from rear close to the forward annular groove.The rear end of the gag lever post described in this way need not
It is made long reliably mating with locating slot or location hole, gag lever post is compact-sized, and stress is good.
In the present embodiment, the isolation seat is strip, is planar centrally arranged in the arbitrary cross section of flexible shaft,
The accessory plate is then located at one jiao close to a set of cups inner wall.The isolation seat can be rotated with flexible shaft, in same cross section,
At least there is a position, the isolation seat turns to not be overlapped with the accessory plate when position, and it is hereby ensured that institutes
It states isolation seat and does not interfere in the process with accessory plate with flexible shaft push-and-pull.
Since accessory plate plate face is smaller, the profile of locating slot or location hole thereon can be a part of circle contour, attached
It is the location hole of two large semi-circulars in figure illustrated embodiment.
It is referred to herein it is forward and backward respectively correspond it is left and right under the visual angle Fig. 1.
Claims (10)
1. a kind of coalcutter clutch locking device, it is characterised in that: including a set of cups, flexible shaft, isolation seat, accessory plate, insert
Pin mechanism and clutch hand handle, a set of cups and flexible shaft are coaxially arranged, and the inner wall of a set of cups is equipped with former and later two radial rings
Shape groove and one or more axial groove, the axial groove are connected to two radial ringed grooves, the isolation seat
Central coaxial be arranged and be fixed on the front of flexible shaft, the isolation seat is equipped with one or more radial overhanging boss,
The boss can be rotated in the radial ringed groove and be slid back and forth in the axial groove, the bolt mechanism packet
It includes cylinder, fixation and closes the gag lever post and precommpression of the end cap of front end of the cylinder, front-rear direction through the cylinder
In the cylinder and the spring on the gag lever post is covered, the rear end fitting of the cylinder is fixed on the front end of the isolation seat
On face, corresponding position is equipped with through-hole on the isolation seat, and the gag lever post is equipped with an annular convex platform, the both ends of the spring
It bears against on the rear end face of the end cap and the front end face of the annular convex platform, the annular convex platform is located under natural conditions
In the cylinder and rear end face is resisted against on the front end face of the isolation seat, and the front end of the gag lever post forward extends out the cylinder
The isolation seat is stretched out via the through-hole in body, rear end backward, and the accessory plate is mounted on the forward radial ringed groove
Rear, the inboard end face of the front end face of the accessory plate and a set of cups is each provided with the more of one or circumferentially-spaced distribution
A rear end for the gag lever post mating locating slot or location hole, each locating slot or location hole with it is any one
For axial groove described in item not on same radial direction, the clutch hand handle is mounted on the front end of the flexible shaft.
2. coalcutter clutch locking device as described in claim 1, it is characterised in that: the rear end of the gag lever post can
The maximum length for being inserted into the locating slot or location hole is not more than the impulse stroke of the spring.
3. coalcutter clutch locking device as claimed in claim 2, it is characterised in that: the axial groove has two,
180 degree arrangement is mutually in circumferential direction, the locating slot or location hole are arranged in pairs, and the line pair of opposite two axial grooves
Claim distribution.
4. coalcutter clutch locking device as claimed in claim 2, it is characterised in that: install the front end of the gag lever post
Mention handle.
5. coalcutter clutch locking device as claimed in claim 4, it is characterised in that: described one end for mentioning handle passes through pin
It is hinged with the gag lever post.
6. coalcutter clutch locking device as claimed in claim 2, it is characterised in that: the annular on the gag lever post
The pervious part of boss is front fine and rear thick stepped shaft structure.
7. coalcutter clutch locking device as claimed in claim 2, it is characterised in that: the cylinder and the isolation seat
It is welded to connect.
8. coalcutter clutch locking device as claimed in claim 2, it is characterised in that: the end cap is equipped with outer spiral shell
The leading portion of line, the cylinder is equipped with internal screw thread, and the end cap is threaded on the cylinder.
9. coalcutter clutch locking device as claimed in claim 2, it is characterised in that: described fixed on the accessory plate
Position slot or location hole and the position of the locating slot or location hole on a set of cups in the circumferential are identical or different.
10. the coalcutter clutch locking device as described in claim 1,2,3,4,5,6,7,8 or 9, it is characterised in that: lean on
Close to the inboard end face of a set of cups on the annular groove afterwards is axial.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910645085.1A CN110242296B (en) | 2019-07-17 | 2019-07-17 | Locking device for clutch mechanism of coal mining machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910645085.1A CN110242296B (en) | 2019-07-17 | 2019-07-17 | Locking device for clutch mechanism of coal mining machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110242296A true CN110242296A (en) | 2019-09-17 |
| CN110242296B CN110242296B (en) | 2024-04-09 |
Family
ID=67892774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910645085.1A Active CN110242296B (en) | 2019-07-17 | 2019-07-17 | Locking device for clutch mechanism of coal mining machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110242296B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114810065A (en) * | 2022-05-07 | 2022-07-29 | 四川华蓥山广能集团嘉华机械有限责任公司 | Permanent magnet direct-drive coal mining machine rocker arm suitable for steep dip angle coal seam and use method thereof |
| WO2024055901A1 (en) * | 2022-09-13 | 2024-03-21 | 扎赉诺尔煤业有限责任公司 | Clutch mechanism for coal mining machine, coal mining machine, and method for using clutch mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4552001A (en) * | 1983-12-06 | 1985-11-12 | Medeco Security Locks, Inc. | High security T-handle assembly |
| CN201133122Y (en) * | 2007-12-01 | 2008-10-15 | 韩尚智 | Electronic mortise lock clutching structure |
| CN202266613U (en) * | 2011-10-20 | 2012-06-06 | 安徽山河矿业装备股份有限公司 | Cutting portion clutch device of coal mining machine |
| CN105113855A (en) * | 2015-09-21 | 2015-12-02 | 肖钧 | Engaging and disengaging mechanism of electronic core insertion lock |
| CN205822940U (en) * | 2016-07-08 | 2016-12-21 | 广东汇泰龙科技有限公司 | A kind of self calibration clutch |
| CN106640070A (en) * | 2017-01-26 | 2017-05-10 | 天地上海采掘装备科技有限公司 | Flexible shock absorption type clutch mechanism |
| CN210460656U (en) * | 2019-07-17 | 2020-05-05 | 天地科技股份有限公司上海分公司 | Locking device for clutch mechanism of coal mining machine |
-
2019
- 2019-07-17 CN CN201910645085.1A patent/CN110242296B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4552001A (en) * | 1983-12-06 | 1985-11-12 | Medeco Security Locks, Inc. | High security T-handle assembly |
| CN201133122Y (en) * | 2007-12-01 | 2008-10-15 | 韩尚智 | Electronic mortise lock clutching structure |
| CN202266613U (en) * | 2011-10-20 | 2012-06-06 | 安徽山河矿业装备股份有限公司 | Cutting portion clutch device of coal mining machine |
| CN105113855A (en) * | 2015-09-21 | 2015-12-02 | 肖钧 | Engaging and disengaging mechanism of electronic core insertion lock |
| CN205822940U (en) * | 2016-07-08 | 2016-12-21 | 广东汇泰龙科技有限公司 | A kind of self calibration clutch |
| CN106640070A (en) * | 2017-01-26 | 2017-05-10 | 天地上海采掘装备科技有限公司 | Flexible shock absorption type clutch mechanism |
| CN210460656U (en) * | 2019-07-17 | 2020-05-05 | 天地科技股份有限公司上海分公司 | Locking device for clutch mechanism of coal mining machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114810065A (en) * | 2022-05-07 | 2022-07-29 | 四川华蓥山广能集团嘉华机械有限责任公司 | Permanent magnet direct-drive coal mining machine rocker arm suitable for steep dip angle coal seam and use method thereof |
| WO2024055901A1 (en) * | 2022-09-13 | 2024-03-21 | 扎赉诺尔煤业有限责任公司 | Clutch mechanism for coal mining machine, coal mining machine, and method for using clutch mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110242296B (en) | 2024-04-09 |
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