CN208982552U - A kind of ballscrew nut fitting mechanism on brake - Google Patents

A kind of ballscrew nut fitting mechanism on brake Download PDF

Info

Publication number
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
Authority
CN
China
Prior art keywords
nut
outside
left end
screw
ball
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.)
Active
Application number
CN201821809699.6U
Other languages
Chinese (zh)
Inventor
张海波
吴敏江
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lishui Wu Yue Machinery Manufacturing Co Ltd
Original Assignee
Lishui Wu Yue Machinery Manufacturing Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Lishui Wu Yue Machinery Manufacturing Co Ltd filed Critical Lishui Wu Yue Machinery Manufacturing Co Ltd
Priority to CN201821809699.6U priority Critical patent/CN208982552U/en
Application granted granted Critical
Publication of CN208982552U publication Critical patent/CN208982552U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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

A kind of ballscrew nut fitting mechanism on brake
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.
CN201821809699.6U 2018-11-05 2018-11-05 A kind of ballscrew nut fitting mechanism on brake Active CN208982552U (en)

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)

Similar Documents

Publication Publication Date Title
CN108044341B (en) A kind of mobile attaching/detaching apparatus for the dismounting of large scale equipment bottom bolts
CN202560728U (en) Multi-section screw rod lifting arm
CN102168755A (en) Electronic control P step mechanism for electric vehicle
CN112572512A (en) Electric brake cylinder and foundation brake device of railway wagon
CN201580937U (en) Mechanical overload protector
CN210081589U (en) Bolt dismounting device
CN208982552U (en) A kind of ballscrew nut fitting mechanism on brake
CN211082627U (en) Electric brake device of oil pumping unit
CN105751237B (en) A kind of brake apparatus for the joint of robot with gear drive
CN206785893U (en) A kind of transmission mechanism overload protective device of squeeze riveter
CN103659840B (en) A kind of mechanical arm tail end operation tool assembly
CN201455880U (en) Nut locking device for airborne roofbolter
CN102794918A (en) Electric screw press
CN201473268U (en) Electric internal gear screw jack
CN205780598U (en) The deviator of assembling-disassembling bolt in a kind of small space
CN102297100A (en) Wind power speed-up gear box
CN105276037B (en) Hydraulic braking clamp for track traffic
CN203319626U (en) Novel mechanical jacking ensuring device
CN103088855A (en) Electric control device of small-sized loader
CN208829158U (en) A kind of ship winch hoisting speed reducer
CN209239936U (en) A kind of cylinder structure convenient for overhauling
CN205960882U (en) Cone -shaped rotator motor structure
CN203451156U (en) Pneumatic hoist clutch brake
CN208398882U (en) A kind of architectural engineering is fallen with line
CN206737009U (en) A kind of screw drive excavator quick connector with self-locking device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant