CN205533888U - Double acting friction arresting gear - Google Patents
Double acting friction arresting gear Download PDFInfo
- Publication number
- CN205533888U CN205533888U CN201620320191.4U CN201620320191U CN205533888U CN 205533888 U CN205533888 U CN 205533888U CN 201620320191 U CN201620320191 U CN 201620320191U CN 205533888 U CN205533888 U CN 205533888U
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- CN
- China
- Prior art keywords
- brake
- wheel carrier
- support
- brake block
- rotary shaft
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model relates to a double acting friction arresting gear, including setting up at the epaxial brake disc of first rotation, set up at the rotatory epaxial brake pads dish of second rotatory torque transmission device and brake force is exerted and disable device. The first axle head of first rotation axis concatenates in the power input of motion chain, and the afferent power external output of first axle head will be followed to the second axle head. Rotatory torque transmission device transmits the gyroscopic moment each other between brake disc and brake pads dish. Brake force is applyed and disable device presses the brake pads dish to the brake disc when the braking, breaks away from the brake disc with the brake pads dish when the brake off. First rotation axis, second rotation axis and brake force is applyed and disable device is all supported by the base, rotatory torque transmission device contain in the outer fringe of locating the brake disc the external gear with locate on the second rotation axis with external gear engaged with brake pads dish drive gear. The utility model discloses braking efficiency is high, and the radiating effect is good, and convenient the change is maintained.
Description
Technical field
This utility model relates to a kind of friction stopping device, specifically, relates to a kind of in braking procedure,
Brake pad and brake disc are all in double dynamic friction brake units of continuous kinestate.
Background technology
Common brake, always relative with support by a brake disc being associated with host motion and one
Static brake block is constituted.During braking, the position that brake disc contacts with brake block is constantly conversion
, owing to brake disc is in the state of relative motion, cooling measure therefore can be taked easily.Such as adopt
By air-cooled way.But brake block is during braking, is always close on the disc brake rotor, is in friction shape
The position of state is constant, generates due to friction and savings heat at brake block can not be derived in time, system
Temperature at motion block is the highest, can be usually reached 400～500 °, this to the performance of brake material be one the biggest
Test, owing to friction Temperature Rise is too high, cause the thing of brake failure often to have generation.
If able to the structure of existing friction brake is changed, make brake block in the process of braking
In, self it is also in continuous motor process, thus provides convenient for reducing the temperature at frictional position,
This is for extending the life-span of brake, and the performance improving brake all can have effect greatly.
Utility model content
Technical problem to be solved in the utility model is, the deficiency existed for existing friction stopping device,
There is provided that a kind of retardation efficiency is high, good heat dissipation effect, be convenient for changing maintenance, and can be used for such as belt conveyer,
Double moving in the standard machinery structures such as container crane, ship unloaders, water power bridge machine, ship lift, cable machine is rubbed
Wiping brake unit.
To achieve these goals, of the present utility model pair of dynamic friction brake unit, including pedestal, it is arranged on
Brake disc in one first rotary shaft, is arranged on the brake block dish in one second rotary shaft, and turning moment is transmitted
Device and brake force apply and release device.Described first rotary shaft has one first axle head and one second axle
End, described first axle head is serially connected with the power intake of kinematic chain, and described second axle head will pass from the first axle head
The power entered externally exports.Turning moment transfer device do not rely on described brake disc and described brake block dish it
Between frictional force and between described brake disc and described brake block dish, mutually transmit turning moment.Brake force is executed
Add and release device, when braking, described brake block dish being pressed to described brake disc, by institute in time releasing braking
State brake disc described in brake block disk detachment.Wherein, described first rotary shaft, described second rotary shaft and institute
State brake force to apply and release device to be all arranged on described pedestal by described base supports, described turning moment
Transfer device comprise external gear in the outer rim being located at described brake disc and be located in described second rotary shaft with
The brake block dish that described external gear is meshed drives gear.
Above-mentioned double dynamic friction brake units, wherein, the thickness of described brake disc drives more than described brake block dish
The thickness of moving gear.
Above-mentioned double dynamic friction brake units, wherein, described second rotary shaft are provided with splined shaft section,
Described brake block dish is arranged on described splined shaft section.
Above-mentioned double dynamic friction brake units, wherein, described brake block dish includes rotating disk body and multiple rubbing
Cleaning block, described rotation disk body is provided with multiple installation site, and the plurality of brake pad is by bolt one a pair
The plurality of installation site should be connected to.
Above-mentioned double dynamic friction brake units, wherein, have between described rotation disk body and described brake disc and connect
Touching overlay region, described brake force applies and releases device have centre of effort point, described centre of effort point
Relative with the described center contacting overlay region.
Above-mentioned double dynamic friction brake units, wherein, described brake force applies and releases device to include:
Support, has one first relative end and one second end；
Revolution wheel carrier, is connected with described support and is positioned at described first end, described revolution wheel carrier is provided with back
Runner；
Actuator, is connected with described revolution wheel carrier, drives described revolution wheel carrier to drive described revolution when braking
Wheel contacts with described brake block dish and makes brake block dish moving axially along described second rotary shaft；And
Return part, is connected with described support and is positioned at described second end, to described brake block in time releasing braking
Dish applies restoring force.
Above-mentioned double dynamic friction brake units, wherein, described brake block dish is two, respectively corresponding described system
Two opposite flanks of Moving plate are arranged.
Above-mentioned double dynamic friction brake units, wherein, described support includes the first support and the second support, institute
State the first support and described second support is respectively provided with relative described first end and described second end.
Above-mentioned double dynamic friction brake units, wherein, described revolution wheel carrier includes the first revolution wheel carrier and second
Revolution wheel carrier, described first revolution wheel carrier is connected with described first support and is positioned at the first end of the first support,
Described gyroscope wheel includes that the first gyroscope wheel and the second gyroscope wheel, described first gyroscope wheel are arranged on described first time
On rotary wheel frame, described second revolution wheel carrier is connected with described second support and is positioned at the first of described second support
End, described second gyroscope wheel is arranged on described second revolution wheel carrier.
Above-mentioned double dynamic friction brake units, wherein, described actuator and described first revolution wheel carrier and described
Second revolution wheel carrier is connected, and drives described first revolution wheel carrier drive described first gyroscope wheel and drive when braking
Dynamic described second revolution wheel carrier drive described second gyroscope wheel contact with corresponding brake block dish respectively make corresponding
Brake block dish moving axially along described second rotary shaft.
Above-mentioned double dynamic friction brake units, wherein, described actuator includes and described first revolution wheel carrier phase
The second actuator that the first actuator even and described second revolution wheel carrier are connected, when braking, described first
Actuator drives described first revolution wheel carrier to drive described first gyroscope wheel to contact with corresponding brake block dish and makes
Corresponding brake block dish moving axially along described second rotary shaft, described second actuator drives described second
Revolution wheel carrier described second gyroscope wheel of drive contacts with corresponding brake block dish and makes corresponding brake block dish along institute
State moving axially of the second rotary shaft.
Above-mentioned double dynamic friction brake units, wherein, described return part one end connects the of described first support
Two ends, the other end connects the second end of described second support, to two described brake block dishes in time releasing braking
Apply restoring force.
Above-mentioned double dynamic friction brake units, wherein, described first support, the second support are all set in described
In second rotary shaft, and lay respectively in the two axial ends of described second rotary shaft.
Beneficial functional of the present utility model is: the first rotary shaft has the first axle head and one second axle head, can
Be serially connected in any section of mechanical drive train, it is thus possible to for such as belt conveyer, container crane,
In the standard machinery structures such as ship unloaders, water power bridge machine, ship lift, cable machine.It addition, directly by being located at system
External gear in the outer rim of Moving plate drives with being located in the second rotary shaft the brake block dish being meshed with external gear
Gear carries out turning moment transfer device, improves the speed of related movement between brake pad part, can be very big
Ground improves retardation efficiency, and is convenient for changing maintenance.It addition, in braking procedure, brake block dish is also in phase
State to motion, in that context it may be convenient to take cooling measure, good heat dissipation effect, and then brake unit can be extended
Service life.
To sum up, this utility model not only retardation efficiency is high, good heat dissipation effect, and is convenient for changing maintenance.
Below in conjunction with the drawings and specific embodiments, this utility model is described in detail, but not as to this reality
With novel restriction.
Accompanying drawing explanation
Fig. 1 is the structure chart of of the present utility model pair of dynamic friction brake unit；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is that the brake disc in Fig. 1 coordinates schematic diagram with brake block dish；
Fig. 4 is the B-B sectional view in Fig. 3；
Fig. 5 be of the present utility model pair of dynamic friction brake unit brake force apply and release device another
The structure chart of embodiment；
Fig. 6 is the structure diagram of a kind of occupation mode of of the present utility model pair of dynamic friction brake unit.
Wherein, reference
100 drive motor
200 decelerators
300 belt conveyers
10 pedestals
210 first rotary shafts
211 first axle heads
212 second axle heads
220 brake discs
310 second rotary shafts
311 splined shaft sections
320 brake block dishes
321 rotate disk body
322 brake pads
40 turning moment transfer devices
410 external gears
420 brake block dishes drive gear
50 brake force apply and release device
51 first supports
511 first ends
512 second ends
52 first revolution wheel carriers
53 first gyroscope wheels
54 second supports
55 second revolution wheel carriers
56 second gyroscope wheels
571 first hydraulic cylinders
572 second hydraulic cylinders
58 return parts
60 contact overlay regions
Detailed description of the invention
With specific embodiment, technical solutions of the utility model are described in detail below in conjunction with the accompanying drawings, with more
Further appreciate that the purpose of this utility model, scheme and effect, but be not intended as right appended by this utility model
The restriction of claimed scope.
In conjunction with refering to Fig. 1 to Fig. 4, as it can be seen, of the present utility model pair of dynamic friction brake unit includes one
Pedestal 10, is arranged on the brake disc 220 in the first rotary shaft 210, is arranged in the second rotary shaft 310
Brake block dish 320, turning moment transfer device 40 and brake force apply and release device 50.First rotation
Rotating shaft 210 has one first axle head 211 and one second axle head 212, and the first axle head 211 is used for being serially connected with fortune
The power intake of dynamic chain, in order to be connected with power set (such as Fig. 6, the first axle head 211 and driving motor
100 are connected), the power incoming from the first axle head is externally exported by the second axle head 212, in order to drive system
Operating (such as Fig. 6, the second axle head 212 is serially connected on the belt conveyer 300 being connected with decelerator 200).
Turning moment transfer device 40 do not rely on the frictional force between brake disc and brake block dish and brake disc with
Turning moment is mutually transmitted between brake block dish.Brake force applies and releases device 50 will braking when braking
Block dish 320 presses to brake disc 220, in time releasing braking, brake block dish 320 is departed from brake disc 220.Its
In, first rotary shaft the 210, second rotary shaft 310 and brake force apply and release device 50 to be all arranged on
Supported by pedestal 10 on pedestal 10.
Of the present utility model pair of dynamic friction brake unit has two based on above-mentioned setting, the first rotary shaft 210
Axle head, an axle head accepts the power that drive part transmits, and power is transferred to kinematic chain by another axle head
Next link, it is thus possible to for such as belt conveyer, container crane, ship unloaders, water power bridge
In the standard machinery structures such as machine, ship lift, cable machine..
Turning moment transfer device 40 comprises the external gear 410 in the outer rim being located at brake disc 220 and is located at
The brake block dish being meshed with external gear 410 in second rotary shaft 310 drives gear 420.Based on such
Arrange, utilize brake disc 220 as association gear, thus simple in construction, compact, and brake disc 220
Contrary with the rotation direction of brake block dish 320, improve the speed of relative motion, be favorably improved braking dress
The using effect put, and it is convenient for changing maintenance.It addition, in braking procedure, brake block dish 220 is also in
The state of relative motion, in that context it may be convenient to take cooling measure, good heat dissipation effect, and then braking dress can be extended
The service life put.
Interference occur during in order to avoid braking, the thickness B1 of brake disc 220 drives more than brake block dish
The thickness B2 of gear 420.
In order to ensure that brake block dish 320 both can rotate with the second rotary shaft 310, again can be in braking
Complete to move axially under the effect of power, the second rotary shaft 310 is provided with splined shaft section 311, brake block dish
320 are arranged on splined shaft section 311.
Again refering to Fig. 3 and Fig. 4, brake block dish 320 includes rotating disk body 321 and multiple brake pad
322, rotate and be provided with multiple installation site on disk body 321, multiple brake pads 322 are by bolt one a pair
Multiple installation site should be connected to.So, when brake pad 322 may wear to certain degree, i.e. can be more
Change, and repair and replacement are convenient.
Again refering to Fig. 3, have between rotation disk body 321 and brake disc 220 and contact overlay region 60, system
Power applies and releases device 50 have centre of effort point (not shown), this centre of effort point
Relative with the center contacting overlay region 60.It is to say, active force is added in brake disc 220 and brake block dish
On the position of 320 overlaps, the impact of revolution brake pad unbalance loading can be eliminated.
Again refering to Fig. 1 and Fig. 2, it is illustrated that twin-tub drives the structure simultaneously clamped on, specifically,
Brake block dish 320 is two, and two opposite flanks of the most corresponding brake disc 220 are arranged, and brake force applies
And release device 50 and include that the first support 51, first turns round wheel carrier 52, the first gyroscope wheel 53, second
Frame 54, the second revolution wheel carrier 55, the second gyroscope wheel 56, actuator and return part 58.First support
51 have one first relative end 511 and one second end 512.First revolution wheel carrier 52 and the first support 51
Being connected and be positioned at the first end 511, the first gyroscope wheel 53 is arranged on the first revolution wheel carrier 52.Second support
54 have one first relative end 541 and one second end 542, the second revolution wheel carrier 55 and the second support 54
Being connected and be positioned at the first end 541 of the second support 54, the second gyroscope wheel 56 is arranged on the second revolution wheel carrier 55
On.Actuator is connected with the first revolution wheel carrier 52 and the second revolution wheel carrier 55, drives first time when braking
Rotary wheel frame 52 drives the first gyroscope wheel 53 and drives the second revolution wheel carrier 55 to drive the second gyroscope wheel 56 respectively
Contact with corresponding brake block dish and make corresponding brake block dish moving axially along the second rotary shaft 310.Return
Part 58 one end connects the second end 512 of the first support 51, and the other end connects the second end of the second support 54
542, in time releasing braking, apply restoring force to two brake block dishes.
Actuator includes the first hydraulic cylinder 571 and the second hydraulic cylinder 572, the plunger of the first hydraulic cylinder 571 with
First revolution wheel carrier 52 is connected so that first revolution wheel carrier 52 is operated alone, the plunger of the second hydraulic cylinder 572 with
Second revolution wheel carrier 55 is connected so that second revolution wheel carrier 55 is operated alone.It is to say, brake force apply and
Releasing device 50 uses two set augmentors to complete boosting function.
Return part 58 can be common spring.The installation site of return part 58 is not the most limited to and is positioned at first
Second end 512 of frame 51 and the second end 542 of the second support 54, when actually used, it is also possible to incite somebody to action back
Position part 58 is arranged in the second rotary shaft 310.
Arranging for convenience, first above-mentioned support the 51, second support 54 is all set in the second rotary shaft 310
On, and lay respectively in the two axial ends of the second rotary shaft 310, in order to first support the 51, second support 54
Also supported by pedestal 10.
Double dynamic friction brake units can also use the structure that single cylinder-actuated simultaneously clamps on, specifically, braking
Power applies and releases device 50 to use a set of augmentor to complete boosting function, as it is shown in figure 5,
Brake force shown in Fig. 5 applies and releases device 50 apply with the brake force in Fig. 2 and release device 50
Having same structure, difference is: actuator only one of which, i.e. the first support 51 with
Second support 54 is all connected with actuator 57, not only to be driven the first revolution wheel carrier 52 by actuator 57 but also driven
Dynamic second revolution wheel carrier 55, and the first support 51 is hinged with the second support 54.Remaining and Fig. 2
In brake force apply and release the identical structure of device 50 just not repeat at this.
Refering to Fig. 6, of the present utility model pair of dynamic friction brake unit can be used on belt conveyer, tool
Body occupation mode is: the first axle head 211 of the first rotary shaft 210 is connected with driving motor 100, so that the
First axle head 211 of one rotary shaft 210 forms power intake, accepts the power that drive part transmits, the
Second axle head 212 of one rotary shaft 210 is connected with belt conveyer 300 by decelerator 200, so that the
Second axle head 212 of one rotary shaft 210 forms clutch end.
Summary is not difficult to find out, of the present utility model pair of dynamic friction brake unit has a characteristic that
1) brake block dish is during braking, constantly changes the position of friction zone, overcomes existing
Brake pad is constantly in the situation of Frotteurism during braking, it is possible to reduce gathering of heat, reduces
The temperature rise of brake pad.
2) brake block dish is in the duty of revolution in braking procedure, can be as conventional brake disc one
Sample, arranges vent passages, improves radiating condition.
3) utilize brake disc as association gear, simple in construction, compact, turning of brake block dish and brake disc
Dynamic in opposite direction, improve the speed of relative motion, be favorably improved the using effect of brake unit.
4) adjust the speed ratio of association gear, the speed of brake block dish can be adjusted, such that it is able to control braking
The numerical value of power, the situation that this point is braked in particular for low velocity end, be equivalent at low speed end, artificial
Manufacture the environment of a high-speed motion, can effectively lower the pressure of braking surface, contributed to improving braking
The working condition of part.
5) volume of the brake block dish turned round is big more than the volume of existing structure brake block dish, can accommodate more
Many friction materials, the life cycle of beneficially increase brake unit, plays the effect reducing maintenance load.
Can configure alarm actuating contact in the end of support, when brake pad gradually abrasion, the relative position of contact the most gradually connects
Closely, once contact, alarm signal will be triggered, remind user to change brake pad in time, thus carry for maintenance
For accurate information.
6) the afterburning structure of brake force simultaneously works as dual function that is afterburning and that control brake block dish position.Make
Firmly it is added on the position that brake disc is overlapping with brake block dish, the impact of rotary braking block unbalance loading can be eliminated.
Certainly, this utility model also can have other various embodiments, without departing substantially from this utility model spirit and
In the case of essence, those of ordinary skill in the art various change accordingly when can make according to this utility model
Become and deformation, but these change accordingly and deform the guarantor that all should belong to the claim appended by this utility model
Protect scope.
Claims (13)
1. a double dynamic friction brake unit, it is characterised in that including:
One pedestal；
Being arranged on the brake disc in one first rotary shaft, described first rotary shaft has one first axle head and one
Two axle heads, described first axle head is serially connected with the power intake of kinematic chain, and described second axle head will be from the first axle
Incoming power is held externally to export；
It is arranged on the brake block dish in one second rotary shaft；
Turning moment transfer device, do not rely on the frictional force between described brake disc and described brake block dish and
Turning moment is mutually transmitted between described brake disc and described brake block dish；And
Brake force applies and releases device, when braking, described brake block dish is pressed to described brake disc, Yu Xie
Remove brake disc described in described brake block disk detachment when braking；
Wherein, described first rotary shaft, described second rotary shaft and described brake force apply and release device
All being arranged on described pedestal by described base supports, described turning moment transfer device comprises is located at described system
External gear in the outer rim of Moving plate and be located in described second rotary shaft the braking being meshed with described external gear
Block dish drives gear.
The most according to claim 1 pair of dynamic friction brake unit, it is characterised in that described brake disc
Thickness more than described brake block dish drive gear thickness.
The most according to claim 1 pair of dynamic friction brake unit, it is characterised in that described second rotation
Being provided with splined shaft section in rotating shaft, described brake block dish is arranged on described splined shaft section.
The most according to claim 1 pair of dynamic friction brake unit, it is characterised in that described brake block
Dish includes rotating disk body and multiple brake pad, and described rotation disk body is provided with multiple installation site, described
Multiple brake pads are connected one to one in the plurality of installation site by bolt.
The most according to claim 4 pair of dynamic friction brake unit, it is characterised in that described rotating disk
Having between body with described brake disc and contact overlay region, described brake force applies and releases device have active force
Central point, described centre of effort point is relative with the described center contacting overlay region.
The most according to claim 1 pair of dynamic friction brake unit, it is characterised in that described brake force
Apply and release device to include:
Support, has one first relative end and one second end；
Revolution wheel carrier, is connected with described support and is positioned at described first end, described revolution wheel carrier is provided with back
Runner；
Actuator, is connected with described revolution wheel carrier, drives described revolution wheel carrier to drive described revolution when braking
Wheel contacts with described brake block dish and makes brake block dish moving axially along described second rotary shaft；And
Return part, is connected with described support and is positioned at described second end, to described brake block in time releasing braking
Dish applies restoring force.
The most according to claim 6 pair of dynamic friction brake unit, it is characterised in that described brake block
Dish is two, and two opposite flanks of corresponding described brake disc are arranged respectively.
The most according to claim 7 pair of dynamic friction brake unit, it is characterised in that described support bag
Include the first support and the second support, described first support and described second support and be respectively provided with relative described
One end and described second end.
The most according to claim 8 pair of dynamic friction brake unit, it is characterised in that described gyroscope wheel
Frame includes that the first revolution wheel carrier and the second revolution wheel carrier, described first revolution wheel carrier are connected with described first support
And it is positioned at the first end of the first support, and described gyroscope wheel includes the first gyroscope wheel and the second gyroscope wheel, described
Single-revolution wheel is arranged on described first revolution wheel carrier, and described second revolution wheel carrier is connected with described second support
And it being positioned at the first end of described second support, described second gyroscope wheel is arranged on described second revolution wheel carrier.
The most according to claim 9 pair of dynamic friction brake unit, it is characterised in that described actuator
It is connected with described first revolution wheel carrier and described second revolution wheel carrier, when braking, drives described first gyroscope wheel
Frame drive described first gyroscope wheel and drive described second revolution wheel carrier drive described second gyroscope wheel respectively with
Corresponding brake block dish contact makes brake block dish the moving axially along described second rotary shaft of correspondence.
11. according to claim 9 pairs of dynamic friction brake units, it is characterised in that described actuator
Second be connected including the first actuator being connected with described first revolution wheel carrier and described second revolution wheel carrier
Actuator, when braking, described first actuator drives described first revolution wheel carrier to drive described first revolution
Wheel contacts with corresponding brake block dish and makes corresponding brake block dish moving axially along described second rotary shaft, institute
Stating the second actuator drives described second revolution wheel carrier to drive described second gyroscope wheel and corresponding brake block dish
Contact makes brake block dish the moving axially along described second rotary shaft of correspondence.
12. according to claim 8 pairs of dynamic friction brake units, it is characterised in that described return part
One end connects the second end of described first support, and the other end connects the second end of described second support, in releasing
Restoring force is applied to two described brake block dishes during braking.
13. according to claim 8 pairs of dynamic friction brake units, it is characterised in that described first
Frame, the second support are all set in described second rotary shaft, and lay respectively at two axles of described second rotary shaft
On end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620320191.4U CN205533888U (en) | 2016-04-15 | 2016-04-15 | Double acting friction arresting gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620320191.4U CN205533888U (en) | 2016-04-15 | 2016-04-15 | Double acting friction arresting gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205533888U true CN205533888U (en) | 2016-08-31 |
Family
ID=56793200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620320191.4U Withdrawn - After Issue CN205533888U (en) | 2016-04-15 | 2016-04-15 | Double acting friction arresting gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205533888U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105673732A (en) * | 2016-04-15 | 2016-06-15 | 中国中元国际工程有限公司 | Double-acting friction braking device |
| CN111836978A (en) * | 2018-03-14 | 2020-10-27 | 美蓓亚三美株式会社 | Wheel module, moving mechanism, and control method for wheel module |
-
2016
- 2016-04-15 CN CN201620320191.4U patent/CN205533888U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105673732A (en) * | 2016-04-15 | 2016-06-15 | 中国中元国际工程有限公司 | Double-acting friction braking device |
| CN105673732B (en) * | 2016-04-15 | 2018-05-15 | 中国中元国际工程有限公司 | Double acting friction stopping device |
| CN111836978A (en) * | 2018-03-14 | 2020-10-27 | 美蓓亚三美株式会社 | Wheel module, moving mechanism, and control method for wheel module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160831 Effective date of abandoning: 20180515 |