CN104613104B - One kind locking brake apparatus - Google Patents
One kind locking brake apparatus Download PDFInfo
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- CN104613104B CN104613104B CN201510050284.XA CN201510050284A CN104613104B CN 104613104 B CN104613104 B CN 104613104B CN 201510050284 A CN201510050284 A CN 201510050284A CN 104613104 B CN104613104 B CN 104613104B
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- brake
- stepped
- pressing plate
- locking
- piston rod
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Abstract
The invention provides one kind locking brake apparatus, it is related to mechanical engineering field.It includes：Brake fixed pedestal, has brake hydraulic in-line and plunger shaft in it, plunger shaft is connected with brake hydraulic in-line；Piston, including piston crown and stepped piston rod, piston crown is installed in plunger shaft, and stepped piston rod is fixedly connected with piston crown, along the axial movement of stepped piston rod in plunger shaft in the presence of hydraulic oil of the piston in brake hydraulic in-line；Lever support, is fixedly connected on brake fixed pedestal；Brake pressing plate, is articulated with lever support and is connected with stepped piston rod so that the axial movement of stepped piston rod drives brake press plate rotary；At least a piece of brake block, every brake block has and is intended to the dog point that brake component is connected and the friction side being sandwiched between brake fixed pedestal and brake pressing plate.The device can realize powerful locking with low power input, and the micro-deformation produced when also can compensate locking improves precision.
Description
Technical field
The present invention relates to mechanical engineering field, more particularly to a kind of locking brake apparatus.
Background technology
In the prior art, locking brake apparatus is braked or to automotive hub system in the part to Digit Control Machine Tool
When dynamic, annular piston is mainly driven by hydraulic pressure or air pressure, force flexible locking piece to have a micro-stroke, be deformed；Elasticity
The deformation of element causes that stay produces moment of friction with rotary part, produces brake force, so as to realize locking.
This mode has as a drawback that：1st, flexible locking piece sheet is made up of spring steel, it is necessary to be input into great power
Reliable locking can be realized, the deformation of its elastic element in itself is accomplished by consuming larger portion power, remaining ability
Locking power is changed into, therefore there is the excessive phenomenon of energy consumption；2nd, whole annular piston contact area is larger, respective thrust also compared with
Greatly, cause some driving elements or related elements for locking brake apparatus to there is micro-strain, the essence of lathe will be had a strong impact on
Degree, is easily deformed lathe, loses precision.
Therefore it is badly in need of a kind of technology to solve the above problems, to cause that locking brake apparatus is realizing the same of reliable locking effect
When, energy consumption can be reduced, and avoid micro-strain as far as possible.
The content of the invention
It is an object of the present invention to provide a kind of locking brake apparatus for reducing energy consumption.
The present invention one further objective is that to reduce locking brake apparatus lock when cause related elements it is small
Deformation.
Especially, the invention provides one kind locking brake apparatus, including：Brake fixed pedestal, has brake-fluid in it
Oil pipe line and plunger shaft are pressed into, the plunger shaft is connected with the brake hydraulic in-line；Piston, including piston crown and
Stepped piston rod, the piston crown is installed in the plunger shaft, and the stepped piston rod is solid with the piston crown
Fixed connection, along the rank in the plunger shaft in the presence of hydraulic oil of the piston in the brake hydraulic in-line
The axial movement of scalariform piston rod；Lever support, is fixedly connected on the brake fixed pedestal；Brake pressing plate, is articulated with described
Lever support and it is connected with the stepped piston rod so that the axial movement of the stepped piston rod drives the brake pressure
Plate is rotated；At least a piece of brake block, the every brake block has and is intended to the dog point that brake component is connected, and is sandwiched in described stopping
Friction side between car fixed pedestal and the brake pressing plate.
Alternatively, the stepped piston rod includes the first stepped stem, the second stepped stem that axis overlaps, first rank
Ladder bars be located at the stepped piston rod tail end, second stepped stem with diameter greater than first stepped stem diameter, with
First stepped stem is fixedly connected；The locking brake apparatus also includes spherical joint, and first stepped stem is described in
Spherical joint, extends into the brake pressing plate, and be connected with the brake pressing plate；The spherical joint is sandwiched in the second-order
Between ladder bars and the brake pressing plate, the outer convex spherical of the spherical joint is in contact with the brake pressing plate, the brake pressing plate
It is adaptable interior concave spherical surface with the contact position of the outer convex spherical.
Alternatively, the brake pressing plate is provided with first cylindrical cavity and the second cylindrical cavity of axis coincidence, first cylinder
Diameter of the diameter in chamber less than second cylindrical cavity；First stepped stem passes through first cylindrical cavity, and be locked nut
The annular bottom wall of second cylindrical cavity is lock onto, annular gasket is accompanied between the locking nut and the annular bottom wall；It is described
Locking brake apparatus also includes split pin, nut groove and first stepped stem of the split pin through the locking nut
Tail hole.
Alternatively, the stepped piston rod also include the 3rd stepped stem, the 3rd stepped stem with diameter greater than described
The diameter of the second stepped stem, the axis of the 3rd stepped stem overlaps with the axis of second stepped stem, the 3rd ladder
One end of bar is fixedly connected on the piston crown；3rd stepped stem is provided with least one along the stepped piston rod
Axially extending cylindrical hole, each cylindrical hole lay a spring, the spring away from the corresponding cylindrical hole one
End contacts with the brake fixed pedestal.
Alternatively, the spring is cylindrically coiled spring or disk spring.
Alternatively, the brake pressing plate passes through hinge in the lever support.
Alternatively, the lever support includes one piece of base plate and two pieces of risers, and the base plate has the passed through for piston
One through hole, the every riser has the second through hole passed through for the bearing pin, and second through hole is provided with the restriction pin
The holding screw of the position of axle.
Alternatively, the brake fixed pedestal has and extends perpendicular to the direction of the baseplane of the brake fixed pedestal
Protuberance, the friction side of the brake block is sandwiched between the protuberance and the brake pressing plate of the brake fixed pedestal.
Alternatively, piston crown side is provided with least one annular seal groove, and one is provided with each described annular seal groove
Individual sealing ring, each described sealing ring is sealed with the inner periphery of the plunger shaft and coordinated.
The present invention at least has the following technical effect that：
1st, it is of the invention brake pressing plate due to that can be rotated under the drive of piston, therefore, it is possible to the axial direction of piston
Motion changes the pressure of the friction side brake block folded between remaining brake fixed pedestal, so as to change the friction side of brake block
With the frictional force for being intended to brake component, because it is a leverage so that piston just can be with the presence of a small amount of power is provided
Realize producing sufficiently large pressure to the friction side of brake block, therefore, it is possible to realize big work(with low power hydraulic pressure or air pressure input
The lock ability of rate, reduces energy consumption.
2nd, spherical joint of the invention is due to being sandwiched between the second stepped stem and brake pressing plate, and brake pressing plate and spherical joint
The contact position of outer convex spherical be adaptable interior concave spherical surface, it is mutual with brake pressing plate therefore in the motion process of brake pressing plate
The continuous self-adaptative adjustment of the spherical joint of contact brakes the attitude of pressing plate, makes it all the time will not be with piston interference, so as to compensate
The micro-deformation produced during locking, reduces the micro-strain of the related elements caused when locking brake apparatus is locked, and improves
Precision.
According to the accompanying drawings to the detailed description of the specific embodiment of the invention, those skilled in the art will be brighter
Of the invention above-mentioned and other purposes, advantages and features.
Brief description of the drawings
Describe some specific embodiments of the invention in detail by way of example, and not by way of limitation with reference to the accompanying drawings hereinafter.
Identical reference denotes same or similar part or part in accompanying drawing.It should be appreciated by those skilled in the art that these
What accompanying drawing was not necessarily drawn to scale.In accompanying drawing：
Fig. 1 is the profile of locking brake apparatus according to an embodiment of the invention；
Fig. 2 is the schematic diagram of the bearing pin positioned at diverse location of locking brake apparatus shown in Fig. 1.
Specific embodiment
Fig. 1 is the profile of locking brake apparatus according to an embodiment of the invention.In the embodiment shown in fig. 1,
The locking brake apparatus of the embodiment of the present invention, it may include brake fixed pedestal 2, piston 15, lever support 6, brake block 13.Brake
There is brake hydraulic in-line 1 and plunger shaft, plunger shaft is connected with brake hydraulic in-line 1 in fixed pedestal 2；Piston
15 include the head of piston 15 and stepped piston rod, and the head of piston 15 is installed in plunger shaft, and stepped piston rod also has one
Point it is installed in plunger shaft, when piston 15 is located at maximum position and minimum position, all some is not or not stepped piston rod 15
In plunger shaft, stepped piston rod is fixedly connected with piston crown, hydraulic oil of the piston 15 in brake hydraulic in-line 1
In the presence of in plunger shaft along the axial movement of stepped piston rod.Piston crown side is provided with least one ring packing
Groove, is provided with a sealing ring 3 in each annular seal groove, each sealing ring 3 coordinates with the inner periphery sealing of piston chamber.Lever branch
Seat 6 can be fixedly connected on brake fixed pedestal 2 by the grade part of fixing screws 5.Brake pressing plate 12 be articulated with lever support 6 and with
Stepped piston rod connection so that the axial movement of stepped piston rod drives brake pressing plate 12 to rotate.In the implementation shown in Fig. 1
In example, brake pressing plate 12 is articulated with lever support 6 by bearing pin 14, and the two gap coordinates, and bearing pin 14 passes through lever support 6, stops
Car pressing plate 12, and the position of bearing pin 14 is limited by holding screw 11.In other embodiments of the invention, there can be others
Articulated form.Brake block 13 have be sandwiched in brake fixed pedestal 2 and brake pressing plate 12 between friction side, and be intended to brake component
Connected dog point.Specifically, the dog point of brake block 13 is and rotates or moving parts is connected, when brake block 13 is braked
When, force the moving parts being attached thereto to be braked, its braking that can be used for automotive hub.Brake pressing plate 12 is by piston 15
When driving motion, increase or reduce the pressure to friction side.In the embodiment shown in fig. 1, brake block 13 is 1, in this hair
In bright other embodiment, brake block 13 can be multi-disc, to form the reinforcement structure of superposing type, it is ensured that more preferable reliable lock
Property.
In the embodiment shown in fig. 1, stepped piston rod includes the first stepped stem, the second stepped stem that axis overlaps,
First stepped stem be located at stepped piston rod tail end, the second stepped stem with diameter greater than the first stepped stem diameter, with the first rank
Ladder bars are fixedly connected, and locking brake apparatus also includes spherical joint 7, and the first stepped stem passes through spherical joint 7, extends into brake
Pressing plate 12, and be connected with brake pressing plate 12；Spherical joint 7 is sandwiched between the second stepped stem and brake pressing plate 12, outside spherical joint 7
Convex spherical is in contact with brake pressing plate 12, and the bottom (one side for being contacted with the second stepped stem in other words) of spherical joint 7 can be
Plane, brake pressing plate 12 and the contact position of outer convex spherical are adaptable interior concave spherical surface.Piston 15 can be ensured at spherical joint 7
In the case where vertical state is kept, so that it may lock.If without spherical joint 7, then such as to lock, piston 15 necessarily has inclination to become
Gesture.Therefore, the locking brake apparatus of the invention with spherical joint 7 is self adaptation, universal, lever-type locking braking
Device.
As seen from Figure 1, brake pressing plate 12 is provided with first cylindrical cavity and the second cylindrical cavity of axis coincidence, the first cylinder
Diameter of the diameter in chamber less than the second cylindrical cavity.First stepped stem passes through the first cylindrical cavity, the nut 8 that is locked to lock onto the second circle
The annular bottom wall in post chamber, accompanies annular gasket 10 between locking nut 8 and annular bottom wall.Locking brake apparatus also includes split pin 9,
Split pin 9 passes through the nut groove of locking nut 8 and the tail hole of the first stepped stem.After locking nut 8 is tightened, split pin 9 is inserted
Enter in the tail hole of nut groove and the first stepped stem, and the afterbody of split pin 9 is pulled open, prevent the stepped stem of locking nut 8 and first
The relative rotation of bolt.So, spherical joint 7, brake pressing plate 12 are enclosed within the first stepped stem, are connected as a single entity.Piston 15 to
During upper motion, the second stepped stem is moved upwards, the spherical top of spherical joint 7 to brake pressing plate 12, due to brake pressing plate 12 with
The contact surface of spherical joint 7 is sphere and brake pressing plate 12 is articulated with lever support 6, therefore brake pressing plate 12 in spherical joint
7 and bearing pin 14 limitation under around the small angle rotation of bearing pin 14, and brake block 13 can be compressed；When piston 15 is moved downward, the
One stepped stem is moved downward, the locking nut 8 being secured to be pressed downward brake pressing plate 12 cause brake pressing plate 12 move downward,
Around the small angle rotation of bearing pin 14, and brake block 13 can be loosened under the limitation of spherical joint 7 and bearing pin 14.So, can fit automatically
Interference when should stop tight caused by angular deflection, overcomes not tight, incessantly phenomenon of stopping, with energy-conserving and environment-protective, long lifespan, reliability
Advantage high.
In the embodiment shown in fig. 1, stepped piston rod also include the 3rd stepped stem, the 3rd stepped stem with diameter greater than
The diameter of the second stepped stem, the axis of the 3rd stepped stem overlaps with the axis of the second stepped stem, and one end of the 3rd stepped stem is fixed
It is connected to piston crown；In the embodiment shown in fig. 1, its other end can be connected to the second stepped stem, it is of the invention its
In his embodiment, there can also be other stepped stem in the middle of itself and the second stepped stem.As seen from Figure 1, set in the 3rd stepped stem
Have at least one along stepped piston rod axially extending cylindrical hole, each cylindrical hole lay a spring (can be cylinder
Helical spring 4 or disk spring), spring contacts (i.e. piston chamber away from one end of corresponding cylindrical hole with brake fixed pedestal 2
Inwall).
In the embodiment shown in fig. 1, lever support 6 includes one piece of base plate and two pieces of risers, and base plate has for piston 15
The first through hole for passing through, the second through hole that there is every riser supply and marketing axle 14 to pass through, the second through hole is provided with and limits bearing pin 14
The holding screw 11 of position.The end of holding screw 11 can press the surface of bearing pin 14.Have vertical in brake fixed pedestal 2
In the protuberance that the direction of the baseplane of brake fixed pedestal 2 extends, the friction side of brake block 13 is sandwiched in brake fixed pedestal 2
Between protuberance and brake pressing plate 12.The form of lever support 6 herein and the protuberance for placing brake block 13 are only the present invention
An attainable mode, in other embodiments of the invention, can there is other implementations.
In another embodiment of the present invention, lever support 6 has two bearing pin shifting chutes being oppositely arranged and two
Tight fixed bolt, the two ends of bearing pin 14 are placed in a bearing pin shifting chute respectively, and the bearing pin shifting chute of each has tight fixed bolt.
The movement that bearing pin 14 can carry out along the radial direction of bearing pin 14 along bearing pin shifting chute, tight fixed bolt is used to for bearing pin 14 being fixed to bearing pin 14 works as
It is the location of preceding.
In other embodiments of the invention, brake hydraulic in-line 1 is changed to brake pressure in-line, with air pressure
Or other modes promote piston, remain to realize the purpose of the present invention.
Fig. 2 is the schematic diagram of the bearing pin 14 positioned at diverse location of locking brake apparatus shown in Fig. 1.As shown in Fig. 2 bearing pin 14
Difference that position can need according to user and change, it can be in first position 20, it is also possible in the second place 21 or the 3rd
Put 22.So in different positions, the arm of force of lever is also different, realizes and zooms in or out locking torque, reaches the effect of anticipation
Really.
It is to be appreciated that in other embodiments of the invention, if omitting spherical joint 7 so that the first stepped stem is consolidated
Surely brake pressing plate 12 (for example being fixed by fixing screws 5) is connected to, an effective lever construction can be still formed, it still can be with
Big brake torque is realized with small-power power consumption input, the technique effect of reducing energy consumption of the invention is realized.
Below by taking the embodiment shown in Fig. 1 as an example, the use process of locking brake apparatus of the invention is briefly described.In figure
In embodiment shown in 1, low power Hydraulic Station (Fig. 1 is not shown) provides driving hydraulic oil, by brake hydraulic oil inlet pipe
Road 1 enters into the bottom of piston 15, overcomes multiple cylindrically coiled springs 4 or the downward resistance of disk spring, promotes piston 15 upward
It is mobile.While piston 15 is moved up, brake pressing plate 12 will be around bearing pin 14 and rotate, and form leverage so that brake pressure
One end of plate 12 produces downward displacement, brake block 13 is compressed, so as to be braked.In the motion process of brake pressing plate 12,
The attitude of the continuous self-adaptative adjustment of the spherical joint 7 brake pressing plate 12 contacted with each other with brake pressing plate 12, makes it all the time will not
Interfere with piston 15, i.e., it is so-called deformation-compensated.When hydraulic oil off-load, piston 15 is in cylindrically coiled spring 4 or disk spring
In the presence of, move downward, until initial position is returned to, meanwhile, brake pressing plate 12 is rotated around bearing pin 14, and brake is compressed originally
One end of piece 13 is lifted, and loosens brake block 13, and whole process is completed.
So far, although those skilled in the art will appreciate that detailed herein have shown and described multiple of the invention and show
Example property embodiment, but, without departing from the spirit and scope of the present invention, still can be direct according to present disclosure
It is determined that or deriving many other variations or modifications for meeting the principle of the invention.Therefore, the scope of the present invention is understood that and recognizes
It is set to and covers all these other variations or modifications.
Claims (9)
1. it is a kind of to lock brake apparatus, it is characterised in that including：
Brake fixed pedestal, has brake hydraulic in-line and plunger shaft in it, the plunger shaft is pressed into the brake-fluid
Oil pipe line is connected；
Piston, including piston crown and stepped piston rod, the piston crown is installed in the plunger shaft, described stepped
Piston rod is fixedly connected with the piston crown, in the presence of hydraulic oil of the piston in the brake hydraulic in-line
Along the axial movement of the stepped piston rod in the plunger shaft；
Lever support, is fixedly connected on the brake fixed pedestal；
Brake pressing plate, is articulated with the lever support and is connected with the stepped piston rod so that the stepped piston rod
Axial movement drive the brake press plate rotary；
At least a piece of brake block, the every brake block has and is intended to the dog point that brake component is connected, and is sandwiched in the brake
Friction side between fixed pedestal and the brake pressing plate；
The stepped piston rod includes the first stepped stem, the second stepped stem that axis overlaps, and first stepped stem is located at institute
State the tail end of stepped piston rod, second stepped stem with diameter greater than first stepped stem diameter, with first rank
Ladder bars are fixedly connected；
The locking brake apparatus also includes spherical joint, and first stepped stem passes through the spherical joint, extends into institute
Brake pressing plate is stated, and is connected with the brake pressing plate；
The spherical joint is sandwiched between second stepped stem and the brake pressing plate, the outer convex spherical of the spherical joint and institute
State brake pressing plate to be in contact, the brake pressing plate and the contact position of the outer convex spherical are adaptable interior concave spherical surface.
2. locking brake apparatus according to claim 1, it is characterised in that
The brake pressing plate is provided with first cylindrical cavity and the second cylindrical cavity of axis coincidence, and the diameter of first cylindrical cavity is less than
The diameter of second cylindrical cavity；
First stepped stem passes through first cylindrical cavity, and the nut check that is locked is in the annular bottom of second cylindrical cavity
Wall, annular gasket is accompanied between the locking nut and the annular bottom wall；
The locking brake apparatus also includes split pin, nut groove and described first of the split pin through the locking nut
The tail hole of stepped stem.
3. locking brake apparatus according to claim 2, it is characterised in that
The stepped piston rod also includes the 3rd stepped stem, the 3rd stepped stem with diameter greater than second stepped stem
Diameter, the axis of the 3rd stepped stem overlaps with the axis of second stepped stem, and one end of the 3rd stepped stem is connected
It is connected to the piston crown；
3rd stepped stem be provided with least one along the stepped piston rod axially extending cylindrical hole, each cylinder
A spring is laid in hole, and the spring is contacted away from one end of the corresponding cylindrical hole with the brake fixed pedestal.
4. locking brake apparatus according to claim 3, it is characterised in that
The spring is cylindrically coiled spring or disk spring.
5. locking brake apparatus according to claim 1, it is characterised in that
The brake pressing plate is by hinge in the lever support.
6. locking brake apparatus according to claim 5, it is characterised in that
The lever support includes one piece of base plate and two pieces of risers, and the base plate has the first through hole passed through for piston, every
The riser has the second through hole passed through for the bearing pin, and second through hole is provided with the tight of the position that limits the bearing pin
Determine screw.
7. locking brake apparatus according to claim 6, it is characterised in that
The lever support is fixedly connected by fixing screws with brake fixed pedestal.
8. the locking brake apparatus according to claim any one of 1-7, it is characterised in that
The brake fixed pedestal has the protuberance extended in the direction perpendicular to the baseplane of the brake fixed pedestal, institute
The friction side for stating brake block is sandwiched between the protuberance and the brake pressing plate of the brake fixed pedestal.
9. the locking brake apparatus according to claim any one of 1-7, it is characterised in that
Piston crown side is provided with least one annular seal groove, a sealing ring is provided with each described annular seal groove, often
The individual sealing ring is sealed with the inner periphery of the plunger shaft and coordinated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510050284.XA CN104613104B (en) | 2015-01-30 | 2015-01-30 | One kind locking brake apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510050284.XA CN104613104B (en) | 2015-01-30 | 2015-01-30 | One kind locking brake apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104613104A CN104613104A (en) | 2015-05-13 |
| CN104613104B true CN104613104B (en) | 2017-05-31 |
Family
ID=53147699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510050284.XA Active CN104613104B (en) | 2015-01-30 | 2015-01-30 | One kind locking brake apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104613104B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110187464B (en) * | 2019-06-03 | 2024-06-18 | 北京科益虹源光电技术有限公司 | Prism compressing and fixing device with protective structure and without rotating friction |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4407293C1 (en) * | 1994-03-04 | 1995-10-05 | Knorr Bremse Systeme | Brake callipers for disc brakes of rail vehicle |
| CN2733090Y (en) * | 2004-08-27 | 2005-10-12 | 张顺德 | Brake |
| CN2911315Y (en) * | 2006-06-23 | 2007-06-13 | 赵龙龙 | Piston member of hydraulic brake |
| JP5078526B2 (en) * | 2007-09-28 | 2012-11-21 | 津田駒工業株式会社 | Clamping device for rotary indexing device for machine tools |
| CN102705401B (en) * | 2012-05-14 | 2015-07-29 | 中国重型机械研究院有限公司 | A kind of break |
| CN202732803U (en) * | 2012-08-27 | 2013-02-13 | 福建南电股份有限公司 | Spring reset type water turbine oil brake |
| CN204403235U (en) * | 2015-01-30 | 2015-06-17 | 烟台环球机床附件集团有限公司 | A kind of locking braking device |
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2015
- 2015-01-30 CN CN201510050284.XA patent/CN104613104B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104613104A (en) | 2015-05-13 |
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Denomination of invention: A locking braking device Effective date of registration: 20220225 Granted publication date: 20170531 Pledgee: Yantai Branch of Shandong Longkou Rural Commercial Bank Co.,Ltd. Pledgor: YANTAI UNIVERSAL MACHINE TOOL ACCESSORY GROUP CO.,LTD.|YANTAI UNIVERSAL MACHINE TOOL ACCESSORY GROUP CO.,LTD. Registration number: Y2022980001865 |