CN206290614U - A kind of rotary braking device - Google Patents
A kind of rotary braking device Download PDFInfo
- Publication number
- CN206290614U CN206290614U CN201621416318.9U CN201621416318U CN206290614U CN 206290614 U CN206290614 U CN 206290614U CN 201621416318 U CN201621416318 U CN 201621416318U CN 206290614 U CN206290614 U CN 206290614U
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- hydraulic jacking
- friction
- friction plate
- fixed seat
- jacking device
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Abstract
The utility model discloses a kind of rotary braking device, including fixed seat (3), revolving bed (1), pivoting support (2) and rotary motor reductor (7), revolving bed (1) lower section is installed with annular friction road (5), fixed seat (3) top is provided with least one hydraulic jacking device (4), the lower end of hydraulic jacking device (4) is fixedly connected with fixed seat (3), the top of the piston rod of hydraulic jacking device (4) is fixed with friction plate (6), hydraulic jacking device (4) jacking friction plate (6) make friction plate (6) that generation friction brake force or hydraulic jacking device (4) contraction friction plate (6) are contacted with annular friction road (5) makes friction plate (6) depart from annular friction road (5).The utility model is a kind of rotary braking device that dynamic brake and static locking can be realized to slew gear, and with simple structure, easy to maintenance, mechanical stability is high, the features such as low cost of manufacture.
Description
Technical field
The utility model is related to a kind of slewing equipment, more particularly to a kind of rotary braking for being applied to engineering machinery field
Device.
Background technology
By pivoting support connect slew gear, be commonly used to have compared with big load, and have revolution require structure in.
The driving and braking of current such mechanism's gyration drive reductor to complete by motor.But under some operating modes, motor adds
The combination of reductor cannot meet demand.For example：
1. there is larger external load on gyratory directions, cause load excessive, existing structure cannot meet requirement；
2. external operating environment is severe, with larger vibrations, impact, causes precision optical machinery part to be easily damaged；
3. rotating part rotary inertia is excessive, it is impossible to realize fast braking；
4. under inactive state, the locking of revolution relies solely on reductor, reduces service life, improve overall operation into
This.
5 rely solely on pivoting support to undertake the institute in addition to turning power effectively, and the stability of whole mechanism is not high.
Utility model content
Technical problem to be solved in the utility model is to provide one kind and dynamic brake and quiet can be realized to slew gear
State is locked and operating cost is low, operational reliability is high, increase the rotary braking device of mechanical stability.
In order to solve the above-mentioned technical problem, the rotary braking device that the utility model is provided, including it is fixed on other mechanisms
Or the fixed seat on ground, revolving bed is connected with described fixed seat by pivoting support, is fixed with described revolving bed
The rotary motor reductor being connected with described fixed seat, described revolving bed lower section is installed with annular friction road,
Described fixed seat top is provided with least one hydraulic jacking device, and the lower end of described hydraulic jacking device is consolidated with described
Reservation is fixedly connected, and the top of the piston rod of described hydraulic jacking device is fixed with friction plate, described hydraulic jacking device
Friction plate described in jacking makes described friction plate that generation friction brake force or described liquid are contacted with described annular friction road
Pressure jacking apparatus shrink described friction plate makes described friction plate depart from described annular friction road.
Preferably, described hydraulic jacking device is multiple, and is arranged circumferentially along described annular friction road.
Preferably, described hydraulic jacking device is increased accumulator and is used Synchronization Control side using multiple parallel oil cylinders
Formula, it is ensured that the hydraulic jacking device described in each has identical top lift.
Preferably, described annular friction road is full circle ring or the full circle ring being spliced.
Which kind of relative angle no matter described fixed seat be in described revolving bed, and described friction plate can be by jacking
Extremely contacted with described annular friction road.
Preferably, described annular friction road is used but is not limited to dormant bolt and is fixed on described revolving bed.
Described friction passage uses high-abrasive material, does not change typically.
Described friction plate uses powder metallurgy friction material, is installed on described hydraulic jacking device top, in abrasion
After be convenient for changing.
Using the rotary braking device of above-mentioned technical proposal, hydraulic jacking device is relative to existing motor reducer knot
Structure, simple structure, cost is relatively low, and mechanical stability is high, installs and safeguards more convenient.The lower end of hydraulic jacking device is fixed on
On reservation, the upper end of hydraulic jacking device is provided with friction plate.Fixed seat passes through pivoting support and needs returning for gyration
Swivel base is connected, and can be driven by external force (such as rotary motor reductor etc.) and realize gyration.Ring is installed below revolving bed
Shape friction passage, friction passage is fixedly linked with revolving bed.
Annular friction road is full circle ring or the full circle ring being spliced, and multiple hydraulic jacking devices are along annular friction road
Be arranged circumferentially, so no matter which kind of relative angle fixed seat and revolving bed are in, friction plate can by jacking to it is described
Annular friction road contact, realize the braking of any rotary position.
The present apparatus can realize two kinds of braking functions：
1. rotary braking
When fixed seat is maintained static, it is necessary to be carried out to revolving bed in the case that revolving bed has certain mass and rotating speed
Braking.Hydraulic jacking device jacking, makes the friction plate at the top of hydraulic jacking device be contacted with the friction passage of revolving bed bottom, and produce
The certain pressure of life, produces braking friction, realizes by moving quiet braking procedure.
2. revolution locking
When fixed seat and revolving bed are in inactive state, due to the working condition of whole mechanism, revolving bed is caused to be subject to
Certain external force influence, forms the relative movement tendency for turning, and now needs to lock revolving bed.Hydraulic jacking device jacking, makes
Friction plate at the top of hydraulic jacking device is contacted with the friction passage of revolving bed bottom, and produces certain pressure, produces braking to rub
Power is wiped, makes fixed seat to realize relatively rotating with revolving bed.
After revolution locking, the stress of whole mechanism is by pivoting support and jacking apparatus shared.And relative to revolution
Supporting raceway diameter, multiple jacking apparatus are uniformly distributed circumferentially in the entirety on bigger circumference, being conducive to improving mechanism surely
It is qualitative.
In sum, the utility model is a kind of revolution system that dynamic brake and static locking can be realized to slew gear
The features such as dynamic device, and with simple structure, easy to maintenance, mechanical stability is high, low cost of manufacture.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is cross section structure diagram of the present utility model.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and detailed description.The description of this part is only shown
Plasticity and explanatory, and the utility model can be defined by the claims and the multitude of different ways that covers is implemented, should not be to this
The protection domain of utility model has any restriction effect.
Referring to the rotary braking device that Fig. 1 and Fig. 2, the utility model are provided, fixed seat 3 is fixed on other mechanisms or ground
On face, revolving bed 1 is connected by pivoting support 2 with fixed seat 3, and rotary motor reductor 7 is installed with revolving bed 1, is returned
Turn motor reducer 7 to be connected with fixed seat 3, revolving bed 1 is driven by rotary motor reductor 7 as needed, produce revolution
Motion.The lower section of revolving bed 1 is provided with annular friction road 5, and annular friction road 5 is mutually permanently connected with revolving bed 1.In fixed seat 3
Side is provided with multiple hydraulic jacking devices 4, and multiple hydraulic jacking devices 4 are arranged circumferentially in fixed seat 3 along annular friction road 5
On.The lower end of hydraulic jacking device 4 is mutually permanently connected with fixed seat 3, and the top of the piston rod of hydraulic jacking device 4 is fixed with
Friction plate 6.During work, the jacking of hydraulic jacking device 4, until the friction plate 6 on the top of hydraulic jacking device 4 and the lower section of revolving bed 1
Annular friction road 5 contact with each other, and produce certain pressure, produce braking friction.Meanwhile, can be by adjusting hydraulic lifting
The top lift of device 4 carrys out the size of regulating brake force.Hydraulic jacking device 4 shrinks friction plate 6 makes friction plate 6 and annular friction road
5 depart from.
Annular friction road 5 is full circle ring or the full circle ring being spliced, and multiple hydraulic jacking devices 4 are along annular friction
Road 5 is arranged circumferentially, so no matter which kind of relative angle is fixed seat 3 be in revolving bed 1, friction plate 6 can be by jacking extremely
Contacted with described annular friction road 5, realize the braking of any rotary position.
Referring to Fig. 1 and Fig. 2, during braking in two kinds of situation：
1. rotary braking：Now fixed seat 3 is maintained static, and revolving bed 1 has certain mass and rotating speed, hydraulic lifting dress
4 are put in retracted state.The jacking of hydraulic jacking device 4, until the friction plate 6 on the top of the piston rod of hydraulic jacking device 4 with
The annular friction road 5 of the lower section of revolving bed 1 contacts with each other, and produces certain pressure, produces braking friction, realizes slew gear
Dynamic brake.And it can be seen from the formula f=Fn* μ according to frictional force and normal pressure, by the top for adjusting hydraulic jacking device 4
Lift can as needed obtain the braking moment of step-less adjustment with the size of regulating brake force.
2. revolution locking：When fixed seat 3 and revolving bed 1 are in inactive state, and in the case of needing mutually locking.
There is the trend of relative rotation in whole mechanism, it is necessary to lock revolving bed 1 due to the effect of external force, fixed seat 3 with revolving bed 1.Hydraulic pressure
The jacking of jacking apparatus 4, makes the friction plate 6 on the top of the piston rod of hydraulic jacking device 4 and the annular friction road of the bottom of revolving bed 1
5 contacts, and certain pressure is produced, certain frictional resistance is produced, make fixed seat 3 to realize relatively rotating with revolving bed 1,
Reach the purpose of revolution locking.And because brake force is provided by hydraulic jacking device 4, vibrations and impact caused by external force are carried
Lotus is first subject to by hydraulic jacking device 4, protects such as other fine structures such as rotary motor reductor, realizes whole machine
The low cost operation of structure.
Hydraulic jacking device 4 shrink friction plate 6 friction plate 6 is departed from annular friction road 5, revolving bed 1 as needed by
Rotary motor reductor 7 drives, and produces gyration.
Claims (7)
1. a kind of rotary braking device, including the fixed seat (3) being fixed on other mechanisms or ground, revolving bed (1) passes through
Pivoting support (2) is connected with described fixed seat (3), is fixed with described revolving bed (1) and is driven with described fixed seat (3)
The rotary motor reductor (7) of connection, it is characterized in that：Described revolving bed (1) lower section is installed with annular friction road (5),
Described fixed seat (3) top is provided with least one hydraulic jacking device (4), the lower end of described hydraulic jacking device (4)
It is fixedly connected with described fixed seat (3), the top of the piston rod of described hydraulic jacking device (4) is fixed with friction plate (6),
Friction plate (6) described in described hydraulic jacking device (4) jacking makes described friction plate (6) and described annular friction road
(5) contact produces friction brake force or described hydraulic jacking device (4) to shrink described friction plate (6) makes described friction plate
(6) depart from described annular friction road (5).
2. rotary braking device according to claim 1, it is characterized in that：Described hydraulic jacking device (4) is multiple, and
Multiple hydraulic jacking devices (4) are arranged circumferentially along described annular friction road (5).
3. rotary braking device according to claim 1 and 2, it is characterized in that：Described hydraulic jacking device (4) is using more
Individual parallel oil cylinder.
4. rotary braking device according to claim 1 and 2, it is characterized in that：Described annular friction road (5) is full circle ring
Or the full circle ring being spliced.
5. rotary braking device according to claim 1 and 2, it is characterized in that：Described annular friction road (5) is used but not
It is limited to dormant bolt to be fixed on described revolving bed (1).
6. rotary braking device according to claim 1 and 2, it is characterized in that：The material of described friction passage (5) is wear-resisting
Material.
7. rotary braking device according to claim 1 and 2, it is characterized in that：The material of described friction plate (6) is powder
Metallurgical friction material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621416318.9U CN206290614U (en) | 2016-12-22 | 2016-12-22 | A kind of rotary braking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621416318.9U CN206290614U (en) | 2016-12-22 | 2016-12-22 | A kind of rotary braking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206290614U true CN206290614U (en) | 2017-06-30 |
Family
ID=59153463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621416318.9U Active CN206290614U (en) | 2016-12-22 | 2016-12-22 | A kind of rotary braking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206290614U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763316A (en) * | 2016-12-22 | 2017-05-31 | 山河智能装备股份有限公司 | A kind of rotary braking device |
| CN109597434A (en) * | 2019-01-21 | 2019-04-09 | 江苏中信博新能源科技股份有限公司 | Wind turns round the photovoltaic tracking system of dispersion |
-
2016
- 2016-12-22 CN CN201621416318.9U patent/CN206290614U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763316A (en) * | 2016-12-22 | 2017-05-31 | 山河智能装备股份有限公司 | A kind of rotary braking device |
| CN109597434A (en) * | 2019-01-21 | 2019-04-09 | 江苏中信博新能源科技股份有限公司 | Wind turns round the photovoltaic tracking system of dispersion |
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