CN106499759A - Reductor brake fluid system - Google Patents
Reductor brake fluid system Download PDFInfo
- Publication number
- CN106499759A CN106499759A CN201611214183.2A CN201611214183A CN106499759A CN 106499759 A CN106499759 A CN 106499759A CN 201611214183 A CN201611214183 A CN 201611214183A CN 106499759 A CN106499759 A CN 106499759A
- Authority
- CN
- China
- Prior art keywords
- brake
- reductor
- fluid system
- piston
- brake fluid
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2121/00—Type of actuator operation force
- F16D2121/02—Fluid pressure
- F16D2121/04—Fluid pressure acting on a piston-type actuator, e.g. for liquid pressure
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention belongs to reductor control field, and in particular to a kind of reductor brake fluid system for carrying out emergency brake operations for reductor.During in order to solve to drive reductor to carry out emergency brake operations by prime mover at present, there is a problem of damaging gear and power transmission shaft, the invention discloses a kind of reductor brake fluid system.The reductor brake fluid system, including power unit and brake unit, power unit includes that hydraulic pump and flow control valve, brake unit include one-way throttle valve and brake cylinder；The oil-out of hydraulic pump is connected with the arrival end of one-way throttle valve；Flow control valve and hydraulic pressure parallel connection of pumps；The port of export of one-way throttle valve is connected with the arrival end of brake cylinder；The external part of the piston rod of brake cylinder is provided with brake component.Reductor brake fluid system disclosed by the invention, is directly braked operation to the output shaft of reductor by brake component, and so as to avoid during braking, gear and prime mover power transmission shaft have destruction.
Description
Technical field
The invention belongs to reductor control field, and in particular to a kind of deceleration for carrying out emergency brake operations for reductor
Machine brake fluid system.
Background technology
Reductor is set as the routine for carrying out rotating speed coupling and torque transmission between prime mover and working machine or actuator
Standby, it is widely used in industrial equipment and engineering equipment.Reductor in the course of the work, is moved by former as passive equipment
The driving of machine, such as motor and motor, so that realize the output of rotating speed and torque.And, current most of common reductors
Itself does not possess effective brake unit, therefore, after the output services of rotating speed and torque are completed, typically by prime mover
Drive under brake, or by being disconnected with prime mover, gradually slow down until stopping in the presence of inertia force.
However, in actual use, when running into emergency and carrying out brake hard to reductor, using above-mentioned often
There is problems with when being braked operation in regulation flowing mode：
If in braking, using prime mover is disconnected with reductor, by reductor itself gradually slow down up to
The method of stopping is braked.Due to the rotator inertia of reductor itself, reductor is difficult to stop operating at once, therefore cannot be real
The brake hard of existing reductor.
If during the method for driving reductor to carry out brake hard using prime mover, brake unit of the prime mover by itself
Brake hard is carried out, while driving gear mesh reductor to carry out forced brake by power transmission shaft.But, due to power transmission shaft and gear
Between there is gap, and reductor typically the torque that prime mover is exported can be put several times greater to tens times.Therefore, in this process
Middle impulsive force that can be powerful to the power transmission shaft generation inside gear and prime mover, so as to damage to gear and power transmission shaft.
Content of the invention
In order to solve at present to carrying out emergency brake operations by prime mover drive reductor when, exist to gear and transmission
The problem that axle is damaged, the present invention propose a kind of reductor brake fluid system.The reductor brake fluid system, including
Power unit and brake unit, the power unit include that hydraulic pump, fuel tank and flow control valve, the brake unit include list
To choke valve and brake cylinder；Wherein, the inlet port of the hydraulic pump is connected with the fuel tank, the oil-out of the hydraulic pump with
The arrival end connection of the one-way throttle valve；The flow control valve and the hydraulic pressure parallel connection of pumps, the flow control valve enter
Mouth end is connected with the oil-out of the hydraulic pump, and the port of export of the flow control valve is connected with the inlet port of the hydraulic pump；
The port of export of the one-way throttle valve is connected with the arrival end of the brake cylinder；The external part of the piston rod of the brake cylinder
It is provided with brake component.
Preferably, the brake fluid system includes the brake component edge at least two brake units, and the brake unit
The circumferencial direction of the speed reducer output shaft is uniform.
Preferably, the power unit also includes overflow valve, the overflow valve and the hydraulic pressure parallel connection of pumps；Wherein described excessive
The arrival end of stream valve is connected with the oil-out of the hydraulic pump, and the port of export of the overflow valve is connected with the inlet port of the hydraulic pump
Connect；The arrival end of the overflow valve is provided with pressure gauge.
It is further preferred that the oil-out of the hydraulic pump is provided with check valve, and the arrival end of the flow control valve and
The arrival end of the overflow valve is all located at one-way valved outlet end side.
Preferably, the brake component is arc-shaped structure, and the work of the external arc of the brake component and the brake cylinder
Stopper rod connects, and the radius size of the Inner arc of the brake component is equal with the radius size of the output shaft of the reductor.
Preferably, the brake cylinder includes piston bore, spring cylinder barrel and intermediate valve block；Wherein described intermediate valve block position
In the piston bore and the spring cylinder barrel between the two, and three is bolted fixation；Set in the piston bore
There is reducing piston, in the spring cylinder barrel, be provided with spring base and spring, the intermediate valve block is provided with and is connected with the piston bore
Logical oil-in；The relatively large end of the reducing piston is stretched out from the port of export of the piston cylinder and is connected with the brake component,
The relative small end of the reducing piston is stretched into and is connected with the spring base in the spring cylinder barrel through the intermediate valve block；Institute
State spring to be set on the relative small end of the reducing piston, one end is contacted with the spring base, the other end and the intermediate valve
The end contact of block.
It is further preferred that the position contacted with each other with the reducing piston in the cylinder slide block, is lived along the reducing
The direction that plug stretches out, is sequentially provided with dust seal, this spy's envelope and wear ring.
It is further preferred that the position contacted with each other with the reducing piston in the piston bore, is lived along the reducing
That filled in stretches out direction, is sequentially provided with wear ring, this spy's envelope, wear ring and dust seal.
It is further preferred that axial gathering sill in the piston bore, is provided with, on the relatively large end of the reducing piston
It is provided with guide pad；The guide pad is located in the gathering sill, it is possible to vertically slidably.
Preferably, connected using hydraulic hose between the power unit and the brake unit.
Compared with prior art, brake hard is carried out using the reductor brake fluid system of the present invention to reductor, is had
There is following beneficial effect：
1st, the present invention drives brake cylinder by adopting hydraulic coupling, and then promotes brake component to act directly on the defeated of reductor
On shaft, make to produce frictional force between brake component and output shaft, so as to complete the brake hard to output shaft.So not only can
During brake hard using brake fluid system in hydraulic oil impulsive force is absorbed and is buffered, and avoid right
Reductor internal gear and the impact of original machine output shaft, improve the service life of reductor and prime mover.
2nd, the present invention passes through using the brake cylinder for being provided with gathering sill and guide pad, makes the reducing piston in brake cylinder
Can move in the axial direction, without there is the rotation around own axes.Therefore, so solve and directly made using brake component
When being braked used in output shaft, there is the problem of itself rotation because the active force of output shaft is subject in brake component.So as to can
To ensure the stable contact between brake component and output shaft, it is ensured that produce stable frictional force between brake component and output shaft.
3rd, the brake cylinder in the present invention is acted directly on by hydraulic oil big in reducing piston using reducing type piston
End part, and drive the big end of reducing piston to extend out to the outside of brake cylinder, directly drive brake component to carry out output shaft
Brake operating.And the small end of reducing piston is always positioned inside brake cylinder, by the relative slip with intermediate valve block, to whole
Reducing piston is oriented to and is supported, and in the presence of spring-return power, drive reducing piston to be retracted to brake cylinder.This
Sample, in the whole brake operation course of brake cylinder, mainly bears radial force by the big end of reducing piston, and wear-resisting
Under the Auxiliary support effect of ring and guide pad, ability to bear of the whole brake cylinder to radial force is greatly strengthen, this is improve
The functional reliability and service life of reductor brake fluid system.
Description of the drawings
Fig. 1 is reductor brake fluid system schematic diagram of the present invention；
Fig. 2 is the structural representation of hydraulic cylinder in the present invention；
Fig. 3 is A-A profile structure diagram in Fig. 2；
Fig. 4 is the structure enlarged diagram in Fig. 3 at B；
Fig. 5 be Fig. 4 in C-C to cross-sectional view.
Specific embodiment
Below in conjunction with the accompanying drawings to the present invention in technical scheme describe in detail.
Fig. 1 is reductor brake fluid system schematic diagram of the present invention.The reductor brake fluid system, including power unit
1, brake unit 2 and pipeline 3.Wherein, power unit 1 and brake unit 2 are connected by pipeline 3, realize that power unit 1 drives system
Moving cell 2 executes brake operating.
Power unit 1 includes hydraulic pump 11, fuel tank 12, overflow valve 13 and flow control valve 14.Wherein, hydraulic pump 11
Inlet port is connected with fuel tank 12 by check valve 15a, and the oil-out of hydraulic pump 11 is provided with check valve 15b.Overflow valve 13 and flow
Control valve 14 is connected in parallel with hydraulic pump 11, and the arrival end of overflow valve 13 and flow control valve 14 and check valve 15b go out
At the port of export and 11 inlet port of hydraulic pump of the connection of mouth end, overflow valve 13 and flow control valve 14, the arrival end of check valve 15a connects
Connect.Additionally, in the arrival end of overflow valve 13, the i.e. arrival end of the port of export of check valve 15b and flow control valve 14, being provided with pressure
Power table 16, for detecting the pressure of 14 arrival end of output pressure and flow control valve of hydraulic pump 11, so that coordinate overflow valve 13
Realize adjusting the pressure in the reductor brake fluid system.
Brake unit 2 includes brake cylinder 21 and one-way throttle valve 22.The piston rod external part of brake cylinder 21 is provided with system
Moving part 211, is braked for the output shaft 5 to reductor.The arrival end of one-way throttle valve 22 is connected with pipeline 3, unidirectional section
The port of export of stream valve 22 is connected with the arrival end of brake cylinder 21.In the present invention, pipeline 3 employs hydraulic hose, and manages
It is attached using snap joint 4 between road 3 and one-way throttle valve 22 and is removed.So not only can be by hydraulic hose to this
Hydraulic shock power in reductor brake fluid system is absorbed and is buffered, and can be realized to dynamic by snap joint 4
Power unit 1 and brake unit 2 are quickly attached and removed from.Additionally, the arrival end in brake cylinder 21 is provided with pressure detecting joint
23, for connecting pressure-detecting device, such as pressure transducer, so as to realize the pressure inspection to hydraulic oil in brake cylinder 21
Survey.
Additionally, in the present invention, the reductor brake fluid system is provided with two brake units 2.So to output shaft 5
When being braked operation, by two brake components 211 are symmetrically distributed on the circumferencial direction of output shaft 5, not only can reduce
Each brake component 211 is subject to the active force of output shaft 5, and the radial force of output shaft 5 can be made uniform, it is to avoid output shaft
5 damage because unbalance stress skew occurs.Equally, it is also possible to according to the size of output shaft 5, in the reductor hydraulic pressure
The brake unit 2 of three or more than three is set in brakes.
Preferably, brake component 211 adopts circular arc type structure in the present invention.Wherein, the external arc of brake component 211 and braking
The piston rod external part connection of oil cylinder 21；The Inner arc of brake component 211 is provided with wear-resisting friction coatings, and the radius ruler of Inner arc
Very little equal with the radius size of output shaft 5.So produce frictional force and carry out being contacted with each other by brake component 221 and output shaft 5
During braking, the contact area between brake component 211 and output shaft 5 can be made maximum, imitated so as to improve the braking to output shaft 5
Really.
Preferably, in conjunction with shown in Fig. 2 and Fig. 3, brake cylinder 21 includes piston bore 61, intermediate valve block 62 and spring cylinder barrel
63.Intermediate valve block 62 is located between piston bore 61 and spring cylinder barrel 63, and realizes the fixed company between three by bolt 64
Connect.Additionally, a flange 65 is provided with the end of piston bore 61, for realizing the company of the brake cylinder 21 and fixing equipment
Connect, and flange 65 is fixedly connected with piston bore 61 by bolt 64.The end face of flange 65 is provided with alignment pin 651 and flange
Hole 652, positioning when being fixed with fixing equipment for the brake cylinder 21 and is connected.
Reducing piston 66 is provided with piston bore 61, is provided with spring base 67 and spring 68, intermediate valve block in spring cylinder barrel 63
62 are provided with the oil-in 621 connected with piston bore 61, and oil-in 621 is connected with the port of export of one-way throttle valve 22.
Reducing piston 66 includes relative big end 661 and relative small end 662.Wherein, the end at big end 661 is provided with connecting hole 6611,
And the port of export through piston bore 61 extend out to the outside of piston bore 61, and it is connected with brake component 211；Small end 662 is passed through
Intermediate valve block 62 stretches to the inside of spring cylinder barrel 63, and is connected with spring base 67.In the present invention, the end of small end 662 sets
The end face for having external screw thread 6621, spring base 67 is provided with screwed hole 671, and such reducing piston 66 is realized by screw thread with spring base 67
Connection.Now, spring 68 is set on the small end 662 of reducing piston 66, and one end is contacted with spring base 67, and the other end is with
Between valve block 62 end contact.Additionally, being provided with the detection hole 631 for fixed test device on spring cylinder barrel 63, so may be used
Detected with the position to 63 inner spring seat 67 of spring cylinder barrel.
In addition, the one end near spring base 67 in spring cylinder barrel 63 is provided with dismountable bonnet 610, and in bonnet
610 are provided with adjusting screw 6101.Wherein, one end of adjusting screw 6101 stretches to the interior of spring cylinder barrel 63 through bonnet 610
Portion, is contacted with spring base 67.The length inside spring cylinder barrel 63 is stretched into by controlling to adjust screw 6101 so, it is possible to achieve right
The adjustment of 67 position of spring base, that is, realize being controlled the flexible stroke of reducing piston 66.
Preferably, the position for contacting with each other in the small end 662 of intermediate valve block 62 and reducing piston 66, along reducing piston 66
Direction is stretched out, dust seal 691, this spy's envelope 692 and wear ring 693 is sequentially provided with.So 692 are sealed in dust seal 691 and Si Te
Under effect, piston bore 61 can be separated with spring cylinder barrel 63, it is to avoid the impurity that 68 long term wear of spring is produced enters piston
The inside of cylinder barrel 61 is polluted to hydraulic oil；And the small end of reducing piston 66 in the presence of wear ring 693, can be improved
662 ability to bears when relative intermediate valve block 62 is moved to radial forces.Equally, in piston bore 61 and reducing piston 66
The position that contacts with each other of big end 661, stretch out direction along reducing piston 66, be sequentially provided with wear ring 693, this spy's envelope 692, resistance to
Bull ring 693 and dust seal 691.When contacting with each other with output shaft 5 due to the brake cylinder 21, there are certain radial forces,
Therefore, piston bore 61 is provided with two wear rings 693 with the position that end 661 contacts with each other greatly in the present invention, so as to improve
Ability to bear of the reducing piston 66 to radial forces, extends the service life of brake cylinder 21.
Preferably, in conjunction with shown in Fig. 3, Fig. 4 and Fig. 5, gathering sill in axial direction is provided with the inside of piston bore 61
611, while being provided with guide pad 663 on the big end 661 of reducing piston 66.Wherein, guide pad 663 is by screw 664 and big end
661 are fixedly connected, and guide pad 663 in the axial direction can be slidably in gathering sill 661.So in guide pad 663
In the presence of gathering sill 661, can prevent reducing piston 66 from rotating around own axes, so as to ensure brake component 221 with output
The stability contacted with each other between axle 5 when acting on.Wherein, in the present invention, two are provided with the internal symmetry of piston bore 61 and are led
To groove 611.Equally can also be equal according to the size of piston bore 61 and applying working condition, the circumferencial direction inside piston bore 61
Even multiple gathering sills 611 are set.
In conjunction with shown in Fig. 1 and Fig. 3, using the reductor brake fluid system of invention, to rotation in reductor carry out tightly
Suddenly the operating procedure of braking is：
The first step, by pipeline 3 by the 2 correct connection of power unit 1 and brake unit.Wherein, opening for overflow valve 13 is set
Pressure is opened, the maximum pressure of the brake fluid system is controlled；Select brake component 211 and the brake oil mated with 5 size of output shaft
Cylinder 21 is fixedly connected.
Second step, the both sides that two brake units 2 are symmetrically disposed at output shaft 5, and returned in reducing piston 66 completely
In the state of receipts, the distance between adjustment brake component 211 and output shaft 5.Reducing piston 66 is made to stretch out the 1/3～2/ of total kilometres
When 3, brake component 211 is contacted with each other with output shaft 5.
3rd step, first, closes flow control valve 14, then, prime mover is being shut down or is taking off prime mover with reductor
From during connection, hydraulic pump 11 is opened.Now, the hydraulic oil of the output of hydraulic pump 11 simultaneously enters two brake units 2 by pipeline 3
In, and enter in brake cylinder 21 through the check valve in one-way throttle valve 22.In the presence of hydraulic oil, 66 grams of reducing piston
The spring force for taking spring 68 gradually stretches out, and produces frictional force when brake component 211 is contacted with output shaft 5, makes output shaft 5 stop rotation
Turn, so as to complete the brake hard to output shaft 5.
4th step, releases the braking to output shaft 5.Hydraulic pump 11 is closed, turn-on flow rate controls valve 14, is now placed in braking
Choke valve of the hydraulic oil inside oil cylinder 21 in one-way throttle valve 22, pipeline 3 and flow control valve 14 flow back into fuel tank
In 12.Reducing piston 66 is recycled in brake cylinder 21 in the presence of spring 68, so as to release the braking to output shaft 5.
Wherein, after the braking to output shaft 5 is completed, when needing to keep on-position, can pass through to screw in adjusting screw
6101 make which contact with spring base 68, the position of spring base 68 is limited and is fixed.The reductor liquid can now be discharged
Hydraulic oil in pressure brakes, is mechanical braking by hydraulic braking transition.So prolonged braking is being kept to output shaft 5
The problem of hydraulic oil leakage during state, can be avoided, so as to improve the protection to surrounding, and extends the reductor hydraulic pressure
The service life of brakes.
Additionally, during hydraulic oil is back to fuel tank 12, the opening and list for controlling flow control valve 14 can be passed through
To in choke valve 22, the opening of choke valve, is controlled to the flow velocity of hydraulic oil, i.e., the recovery speed of reducing piston 66 is carried out
Control.
Claims (10)
1. a kind of reductor brake fluid system, it is characterised in that including power unit and brake unit, the power unit bag
Hydraulic pump, fuel tank and flow control valve is included, the brake unit includes one-way throttle valve and brake cylinder；Wherein, the hydraulic pressure
The inlet port of pump is connected with the fuel tank, and the oil-out of the hydraulic pump is connected with the arrival end of the one-way throttle valve；Described
Flow control valve is connected with the oil-out of the hydraulic pump with the hydraulic pressure parallel connection of pumps, the arrival end of the flow control valve, institute
The port of export for stating flow control valve is connected with the inlet port of the hydraulic pump；The port of export of the one-way throttle valve and the braking
The arrival end connection of oil cylinder；The external part of the piston rod of the brake cylinder is provided with brake component.
2. reductor brake fluid system according to claim 1, it is characterised in that the brake fluid system is included at least
Two brake units, and the brake component in the brake unit is uniform along the circumferencial direction of the speed reducer output shaft.
3. reductor brake fluid system according to claim 1, it is characterised in that the power unit also includes overflow
Valve, the overflow valve and the hydraulic pressure parallel connection of pumps；The arrival end of wherein described overflow valve is connected with the oil-out of the hydraulic pump,
The port of export of the overflow valve is connected with the inlet port of the hydraulic pump；The arrival end of the overflow valve is provided with pressure gauge.
4. reductor brake fluid system according to claim 3, it is characterised in that the oil-out of the hydraulic pump is provided with
Check valve, and the arrival end of the arrival end of the flow control valve and the overflow valve is all located at the one-way valved outlet end one
Side.
5. the reductor brake fluid system according to any one in claim 1-4, it is characterised in that the brake component
For arc-shaped structure, and the external arc of the brake component is connected with the piston rod of the brake cylinder, the inner circle of the brake component
The radius size of arc is equal with the radius size of the output shaft of the reductor.
6. the reductor brake fluid system according to any one in claim 1-4, it is characterised in that the brake oil
Cylinder includes piston bore, spring cylinder barrel and intermediate valve block；Wherein described intermediate valve block is located at the piston bore and the spring
Between the two, and three is bolted fixation to cylinder barrel；Reducing piston is provided with the piston bore, in the spring cylinder barrel
Spring base and spring is provided with, the intermediate valve block is provided with the oil-in connected with the piston bore；The reducing piston
Relatively large end is stretched out from the port of export of the piston cylinder and is connected with the brake component, and the relative small end of the reducing piston is passed through
The intermediate valve block, is stretched into and is connected with the spring base in the spring cylinder barrel；The spring is set in the reducing piston
With respect on small end, one end is contacted with the spring base, the end contact of the other end and the intermediate valve block.
7. reductor brake fluid system according to claim 6, it is characterised in that in the intermediate valve block and the change
The position that footpath piston contacts with each other, stretches out direction along the reducing piston, is sequentially provided with dust seal, this spy's envelope and wear ring.
8. reductor brake fluid system according to claim 6, it is characterised in that in the piston bore and the change
The position that footpath piston contacts with each other, stretches out direction along the reducing piston, be sequentially provided with wear ring, this spy's envelope, wear ring and
Dust seal.
9. reductor brake fluid system according to claim 6, it is characterised in that be provided with axial direction in the piston bore
Gathering sill, the relatively large end of the reducing piston is provided with guide pad；The guide pad is located in the gathering sill, it is possible to
Vertically slidably.
10. the reductor brake fluid system according to any one in claim 1-4, it is characterised in that the power
Connected using hydraulic hose between unit and the brake unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611214183.2A CN106499759B (en) | 2016-12-26 | 2016-12-26 | Gear reducer brake fluid system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611214183.2A CN106499759B (en) | 2016-12-26 | 2016-12-26 | Gear reducer brake fluid system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106499759A true CN106499759A (en) | 2017-03-15 |
| CN106499759B CN106499759B (en) | 2018-05-08 |
Family
ID=58333740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611214183.2A Active CN106499759B (en) | 2016-12-26 | 2016-12-26 | Gear reducer brake fluid system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106499759B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110316668A (en) * | 2019-06-27 | 2019-10-11 | 浙江三一装备有限公司 | Hydraulic slewing system and crane |
| CN111706624A (en) * | 2020-07-15 | 2020-09-25 | 王晓华 | Normally closed brake with flexible speed reduction function |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050052077A1 (en) * | 2003-09-05 | 2005-03-10 | Werner Quirant | Hydraulic brake system and method for controlling same |
| DE102005004465A1 (en) * | 2004-02-03 | 2005-09-01 | Continental Teves Ag & Co. Ohg | Automotive electro-hydraulic brake system back-pressure dampening module has hydraulic line and screen with bleed hole outside hydraulic control unit |
| DE102010001542A1 (en) * | 2010-02-03 | 2011-08-04 | Continental Teves AG & Co. OHG, 60488 | Hydraulic brake system i.e. pump-less anti-lock braking sub system, for use in e.g. front wheel of motor bike, has bypass line surrounding normally open valve, and decentralized unit connected with central unit and wheel speed sensor |
| CN204250005U (en) * | 2014-09-17 | 2015-04-08 | 南京航空航天大学 | A kind of automobile electrically-controlled hydraulic brake system |
| CN205131221U (en) * | 2015-11-04 | 2016-04-06 | 浙江万向精工有限公司 | Second grade helping hand is than no motor hydraulic braking system based on flexible pipeline is connected |
| CN206290629U (en) * | 2016-12-26 | 2017-06-30 | 上海豪高机电科技有限公司 | Reductor brake fluid system |
-
2016
- 2016-12-26 CN CN201611214183.2A patent/CN106499759B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050052077A1 (en) * | 2003-09-05 | 2005-03-10 | Werner Quirant | Hydraulic brake system and method for controlling same |
| DE102005004465A1 (en) * | 2004-02-03 | 2005-09-01 | Continental Teves Ag & Co. Ohg | Automotive electro-hydraulic brake system back-pressure dampening module has hydraulic line and screen with bleed hole outside hydraulic control unit |
| DE102010001542A1 (en) * | 2010-02-03 | 2011-08-04 | Continental Teves AG & Co. OHG, 60488 | Hydraulic brake system i.e. pump-less anti-lock braking sub system, for use in e.g. front wheel of motor bike, has bypass line surrounding normally open valve, and decentralized unit connected with central unit and wheel speed sensor |
| CN204250005U (en) * | 2014-09-17 | 2015-04-08 | 南京航空航天大学 | A kind of automobile electrically-controlled hydraulic brake system |
| CN205131221U (en) * | 2015-11-04 | 2016-04-06 | 浙江万向精工有限公司 | Second grade helping hand is than no motor hydraulic braking system based on flexible pipeline is connected |
| CN206290629U (en) * | 2016-12-26 | 2017-06-30 | 上海豪高机电科技有限公司 | Reductor brake fluid system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110316668A (en) * | 2019-06-27 | 2019-10-11 | 浙江三一装备有限公司 | Hydraulic slewing system and crane |
| CN111706624A (en) * | 2020-07-15 | 2020-09-25 | 王晓华 | Normally closed brake with flexible speed reduction function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106499759B (en) | 2018-05-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206290629U (en) | Reductor brake fluid system | |
| WO2015010480A1 (en) | Specific elevator anti-fall buffer based on flexible guidance | |
| US10344814B2 (en) | Brake | |
| CN109139580B (en) | Hydraulic control system of full-rotation rudder propeller device and control method thereof | |
| CN106499759A (en) | Reductor brake fluid system | |
| CN105508717B (en) | A kind of booster quick action emergency valve | |
| CN108046082B (en) | Deep vertical large-tonnage hoisting container Multipoint synchronous braking system and its working method | |
| CN109736742A (en) | Liquid drives dual control thermal recovery and handles up blowout prevention Anti-overflow device | |
| CN103144622B (en) | A kind of hydraulic vehicle brake system | |
| CN107461370A (en) | A kind of electro-hydraulic integrated swash plate plunger type hydraulic transformer | |
| CN208795497U (en) | Land leveller rotary gear box is positive and negative to drive self-locking table apparatus | |
| CN104295762A (en) | Low-torque enforced sealing type fixing ball valve | |
| CN206599335U (en) | A kind of elevator speed-limiting protective device | |
| CN104747407B (en) | A kind of there is lubricating function go hydraulic shrinking machine | |
| CN207017958U (en) | A kind of marine riser hangs special-purpose nipple | |
| CN206309691U (en) | Hydraulic jack | |
| CN207361670U (en) | A kind of mine hoist torque-controllable sure brake system | |
| CN204873620U (en) | Caterpillar crane does not have rising of explosion -proof valve and rises system | |
| CN108006142A (en) | A kind of adjustable hydraulic damping buffer | |
| CN107351827A (en) | A kind of hydrostatically driven vehicle walking brakes | |
| CN103090060B (en) | Novel butterfly type microresistance slow closing check valve | |
| CN105712207B (en) | Setting-up elevator control system and hoisting machinery | |
| CN205145427U (en) | Ware slowly falls in piston hydraulic pressure | |
| CN205117302U (en) | Energy -conserving machine of recovering oil of dual fail -safe | |
| CN205419645U (en) | Automatic keep permanent clearance work safety integration brake cylinder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 201614, No. 669, Sino German road, Shanghai, Songjiang District, 5 Applicant after: Shanghai Haogao Mechanoelectric Science and Technology Co., Ltd. Address before: 200001 Huangpu District, Beijing East Road, No. 666, B District, room four, floor 4237, room Applicant before: Shanghai Haogao Mechanoelectric Science and Technology Co., Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |