CN208982552U - A kind of ballscrew nut fitting mechanism on brake - Google Patents
A kind of ballscrew nut fitting mechanism on brake Download PDFInfo
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- CN208982552U CN208982552U CN201821809699.6U CN201821809699U CN208982552U CN 208982552 U CN208982552 U CN 208982552U CN 201821809699 U CN201821809699 U CN 201821809699U CN 208982552 U CN208982552 U CN 208982552U
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- nut
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- screw
- ball
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Abstract
A kind of ballscrew nut fitting mechanism on brake, including ball screw and ball nut, the ball screw left end is equipped with limited cover, and limited cover is coaxially connected using the cylinder of right end and cylinder progress in lead screw left end, is fixed on lead screw transverse plane using screw.The outside of ball screw is equipped with ball nut, the left end of the ball nut is equipped with cylindrical hole in second level, a symmetrical keyway is provided on the circumference of cylindrical hole in outermost end for preventing nut from rotating, cylindrical hole mainly plays the accumulation of energy of nut axial direction shift motion when lead screw rotates in the second level.Cylindrical hole clearance fit in the right end cylinder and nut left end outermost end of mandril, the connection for preventing nut from rotating circumferentially is acted using a symmetrical flat key between the two, mandril is fixed on ball nut using a pair of of semicircle card simultaneously, a pair of of semicircle card is fixed in mandril on transverse plane using screw.
Description
Technical field
The utility model relates to brake technical field more particularly to a kind of ballscrew nut fittings on brake
Mechanism.
Background technique
Brake is with the dress for making moving component (or movable machinery) deceleration, stopping or keep the functions such as halted state
It sets.It is the machine components for making the movement parts in machinery stop or slow down.The downstream industry of industrial brake industry is mainly lifting
The equipments system such as Transport Machinery, metallurgical equipment, mining equiment, constructional engineering machinery, wind-powered electricity generation and nuclear power generating equipment, ship and marine heavy industry
Industry is made, the development and development of these industries are benefited from, industrial brake industry will welcome lasting, the healthy development machine of another wheel
It meets.China's industry brake industry will keep the annual growth of 10%-20% within the coming years.Silk on conventional brake
Stem nut mechanism structure is complicated, dismounts inconvenient maintenance, and bearing capacity is weak, and brake-force control is inconvenient.
Utility model content
The utility model will solve the above-mentioned problems of the prior art, provide a kind of ball screw on brake
Nut vice mechanism, leading screw and nut mechanism installation is quick and convenient, and dismounting is easy to maintenance, and bearing capacity is strong, and brake-force control is convenient.
The utility model solves the technical solution of its technical problem use: this ball screw nut on brake
Vice mechanism, including ball screw and ball nut state the mounting hole on the inside of ball nut left end, mandril bottom are equipped in mounting hole
Seat, the right end of mounting hole are equipped with the limiting section for withstanding on ejector rod base right end, and inner wall of the hole installing is equipped with the key of setting symmetrical above and below
Slot, the ejector rod base outside are equipped with the retainingf key for being caught in keyway, are provided with card slot, the top on the left end inner wall of the mounting hole
Bar pedestal left end is equipped with the semicircle card for being connected to card slot described in left end, and semicircle card left end is equipped with soket head cap screw, described interior
In the fixed ejector rod base again of hex screw, the ejector rod base left end is fixedly connected with mandril.Silk is fixed in using screw
On thick stick transverse plane.The outside of ball screw is equipped with ball nut, and the left end of the ball nut is equipped with cylindrical hole in second level, most
A symmetrical keyway is provided in outer end on the circumference of cylindrical hole for preventing nut from rotating, cylindrical hole mainly plays lead screw in the second level
The accumulation of energy of nut axial direction shift motion when rotation.Cylindrical hole clearance fit in the right end cylinder and nut left end outermost end of mandril,
The connection for preventing nut from rotating circumferentially is acted using a symmetrical flat key between the two, while will be pushed up using a pair of of semicircle card
Bar is fixed on ball nut, and a pair of of semicircle card is fixed in mandril on transverse plane using screw.
In order to further perfect, ball screw left end plane is equipped with the limited cover being connected by screw to, the rolling
The inner wall of pearl nut is equipped with the limit end face of limit limited cover right side.
It is further perfect, it is equipped with the first stop nut on the outside of the mandril middle-end, is equipped with second on the outside of the mandril right end
Stop nut is equipped with the bracket being fixedly connected by screw between first stop nut and the second stop nut.
It is further perfect, the first sealing cover is equipped on the outside of the ball nut left end, outside the ball nut middle-end
Side is equipped with disc spring, and first bearing is equipped on the outside of the ball screw middle-end, and installation lid, the installation lid are equipped on the outside of first bearing
Left end resists the right end of disc spring, and the outside of the disc spring is equipped with shell, and the shell left end is mounted on outside the first sealing cover right end
Side, the shell right end are fixedly connected on installation outer side of lid by screw, and the first bearing right end is equipped with and is mounted on ball wire
Sleeve on the outside of bar, the sleeve outside is equipped with to be fixed by the first bearing that screw is fixedly connected on the inside of installation lid right end
The left end of lid, the fixed lid of first bearing resists the right end plane of first bearing.
The utility model has the advantages that: the utility model structure designs advantages of simple and at low cost, the quick side of installation
Just, it dismounts easy to maintenance, drives brake, high-efficient and good braking effect using motor, and be equipped with gear set, it can be with
Increase the torque of motor and gear is fixed, bearing capacity is good, and safety is good.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the enlarged drawing of part A in Fig. 1；
Fig. 3 is the enlarged drawing of part B in Fig. 1；
Fig. 4 is the view of mandril and ball nut on C-C is reversed in Fig. 1.
Description of symbols: 1, shell, 2, ball nut, 3, ball screw, 4, disc spring, the 5, first sealing cover, 6, first
Bearing, 7, installation lid, 8, sleeve, 9, the fixed lid of first bearing, 10, link block, 11, mandril, the 12, first stop nut, 13, the
Two stop nuts, 14, bracket, 15, stroke hole, 16, mounting hole, 17, card slot, 19, gear wheel, 20, fixture nut, 21, locking
Nut, 22, first gear axis, 23, second bearing, 24, second gear axis, 25,3rd bearing, 26, connecting plate, 27, connector sleeve
Cylinder, the 28, second sealing cover, 29, threephase asynchronous machine mounting base, 30, threephase asynchronous machine, 31, third gear shaft, the 32, the 4th
Bearing, 33, semicircle card, 34, soket head cap screw, 35, limited cover, 37, retainingf key, 38, keyway
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing:
Referring to attached drawing 1-4: for the ballscrew nut fitting mechanism on brake, including ball screw 3 in the present embodiment
With ball nut 2, mounting hole 16 on the inside of 2 left end of ball nut is equipped with ejector rod base 10 in mounting hole 16, mounting hole 16
Right end is equipped with the limiting section for withstanding on 10 right end of ejector rod base, and 16 inner wall of mounting hole is equipped with the keyway 38 of setting symmetrical above and below, institute
The retainingf key 37 for being equipped on the outside of ejector rod base 10 and being caught in keyway 38 is stated, is provided with card slot 17 on the left end inner wall of the mounting hole 16,
10 left end of ejector rod base is equipped with the semicircle card 33 for being connected to card slot 17 described in left end, and 33 left end of semicircle card is equipped with interior six
Angle screw 34, the soket head cap screw 34 are fixed in ejector rod base 10 again, and 10 left end of ejector rod base is fixedly connected with mandril
11,3 left end plane of ball screw is equipped with the limited cover 35 being connected by screw to, and the inner wall of the ball nut is equipped with limit
The limit end face of 35 right side of limited cover, 11 middle-end of the mandril outside are equipped with the first stop nut 12,11 right end of mandril
Outside is equipped with the second stop nut 13, is equipped between first stop nut 12 and the second stop nut 13 and is fixed by screw
The bracket 14 of connection, 2 left end of the ball nut outside are equipped with the first sealing cover 5, set on the outside of 2 middle-end of ball nut
There is disc spring 4, first bearing 6 is equipped on the outside of 3 middle-end of ball screw, installation lid 7, the installation are equipped on the outside of first bearing 6
7 left end of lid resists the right end of disc spring 4, and the outside of the disc spring 4 is equipped with shell 1, and 1 left end of shell is mounted on the first sealing cover
On the outside of 5 right ends, 1 right end of shell is fixedly connected on 7 outside of installation lid by screw, and 6 right end of first bearing is equipped with peace
Sleeve 8 mounted in the outside of ball screw 3 is equipped with to be fixedly connected on by screw on the outside of the sleeve 8 and install on the inside of 7 right end of lid
First bearing fixes lid 9, and the left end of the fixed lid 9 of first bearing resists the right end plane of first bearing 6, and the ball screw 3 is right
End outside is equipped with gear set, and the gear set includes the gear wheel 19 being connected by key positioned at 8 right end of sleeve and ball screw 3,
19 right end of gear wheel is equipped with the fixture nut 20 being threadedly coupled with 3 right end of ball screw, and 20 right end of fixture nut is equipped with and ball
The stop nut 21 that screw rod 3 is threadedly coupled, 19 front end of gear wheel are equipped with the first gear axis 22 being meshed with gear wheel 19,
Second bearing 23 is equipped on the outside of 22 left and right ends of first gear axis, 22 front end of first gear axis is equipped with and first gear
The second gear axis 24 that axis 22 is meshed, 24 left and right ends of second gear axis outside are equipped with 3rd bearing 25, and the installation lid 7 is right
End outside is fixedly connected with connecting plate 26, and connection sleeve 27 is fixedly connected on the outside of 26 right end of connecting plate, connects sleeve 27
Right end is fixedly connected with the second sealing cover 28, is fixedly connected with threephase asynchronous machine mounting base on the left of 26 front end of connecting plate
29,29 left end of threephase asynchronous machine mounting base inside is equipped with threephase asynchronous machine 30, and the driving end of threephase asynchronous machine 30 is set
There is the third gear shaft 31 connected by shaft joint, fourth bearing 32 is equipped on the outside of 31 left and right ends of third gear shaft, it is left
The second bearing 23,3rd bearing 25 and fourth bearing 32 is held to be mounted in connecting plate 26, second bearing 23 described in right end,
Three bearings 25 and fourth bearing 32 are mounted in the second sealing cover 28.
Working principle: 1, threephase asynchronous machine 30 rotates forward after being powered, and is transferred to ball screw 3 by deceleration mechanism, at this time
Ball screw 3 inverts, and ball nut 2 moves right, and disc spring 4 is pressurized and energy storage, and mandril 11 follows ball nut 2 to move right,
Brake is set to realize braking function.2, threephase asynchronous machine 30 does not work after powering off, and threephase asynchronous machine 30 will by clutch
It is lockked.After clutch opening, elastic force, 2 mother Xiang Zuoyi of ball spiral shell are discharged by having stored 4 elastic force of disc spring of certain energy at this time
Dynamic, mandril 11 follows ball nut 2 to be moved to the left, and realizes that braking function releases.
Although the utility model is shown and described by reference to preferred embodiment, this profession is common
Technical staff is it is to be appreciated that within the scope of the claims, can make various variation in form and details.
Claims (4)
1. a kind of ballscrew nut fitting mechanism on brake, including ball screw (3) and ball nut (2), special
Sign is: being equipped with mounting hole (16) on the inside of ball nut (2) left end, is equipped with ejector rod base (10) in mounting hole (16), pacifies
The right end of dress hole (16) is equipped with the limiting section for withstanding on ejector rod base (10) right end, and mounting hole (16) inner wall is equipped with symmetrical above and below set
The keyway (38) set, ejector rod base (10) outside are equipped with the retainingf key (37) for being caught in keyway (38), the mounting hole (16)
Left end inner wall on be provided with card slot (17), ejector rod base (10) left end, which is equipped with, is connected to the semicircles of card slot described in left end (17)
Card (33), semicircle card (33) left end are equipped with soket head cap screw (34), the fixed ejector rod base again of the soket head cap screw (34)
(10) on, ejector rod base (10) left end is fixedly connected with mandril (11).
2. a kind of ballscrew nut fitting mechanism on brake according to claim 1, it is characterized in that: the rolling
Ballscrew (3) left end plane is equipped with the limited cover (35) being connected by screw to, and the inner wall of the ball nut is equipped with limit
The limit end face of limited cover (35) right side.
3. a kind of ballscrew nut fitting mechanism on brake according to claim 1, it is characterized in that: the top
The first stop nut (12) are equipped on the outside of bar (11) middle-end, are equipped with the second stop nut (13) on the outside of mandril (11) right end,
The bracket (14) being fixedly connected by screw is equipped between first stop nut (12) and the second stop nut (13).
4. a kind of ballscrew nut fitting mechanism on brake according to claim 1, it is characterized in that: the rolling
The first sealing cover (5) are equipped on the outside of pearl nut (2) left end, are equipped with disc spring (4) on the outside of ball nut (2) middle-end, institute
It states and is equipped with first bearing (6) on the outside of ball screw (3) middle-end, installation lid (7), the installation lid are equipped on the outside of first bearing (6)
(7) left end resists the right end of disc spring (4), and the outside of the disc spring (4) is equipped with shell (1), and shell (1) left end is mounted on the
On the outside of one sealing cover (5) right end, shell (1) right end is fixedly connected on the outside of installation lid (7) by screw, the first axle
It holds (6) right end and is equipped with the sleeve (8) being mounted on the outside of ball screw (3), be equipped on the outside of the sleeve (8) and connect by the way that screw is fixed
The fixed lid (9) of first bearing on the inside of installation lid (7) right end is connect, the left end of the fixed lid (9) of first bearing resists first bearing
(6) right end plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821809699.6U CN208982552U (en) | 2018-11-05 | 2018-11-05 | A kind of ballscrew nut fitting mechanism on brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821809699.6U CN208982552U (en) | 2018-11-05 | 2018-11-05 | A kind of ballscrew nut fitting mechanism on brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208982552U true CN208982552U (en) | 2019-06-14 |
Family
ID=66790255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821809699.6U Active CN208982552U (en) | 2018-11-05 | 2018-11-05 | A kind of ballscrew nut fitting mechanism on brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208982552U (en) |
-
2018
- 2018-11-05 CN CN201821809699.6U patent/CN208982552U/en active Active
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