CN207034039U - A kind of drum-type motor drives EPB - Google Patents
A kind of drum-type motor drives EPB Download PDFInfo
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- CN207034039U CN207034039U CN201721014238.5U CN201721014238U CN207034039U CN 207034039 U CN207034039 U CN 207034039U CN 201721014238 U CN201721014238 U CN 201721014238U CN 207034039 U CN207034039 U CN 207034039U
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- screw rod
- hoof
- braking
- parking
- train
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Abstract
The utility model discloses a kind of drum-type motor to drive EPB,Including brake drum,Brake backing plate,It is symmetrical set the braking neck hoof on brake backing plate and brakes from hoof,Positioned at braking neck hoof and brake from the brake slack adjuster between hoof,Hydraulic shunt pump is set with braking from the space between the corresponding one end of hoof in braking neck hoof,Parking pull bar is connected with by rotating shaft from hoof in braking,The force side of parking pull bar is driven by parking execution device,Parking execution device is that motor drives parking execution device,It includes actuating motor and screw rod propulsive mechanism,Screw rod propulsive mechanism includes train of reduction gears,The final gear of train of reduction gears is connected with screw rod swivel nut drive mechanism,The machine shaft of actuating motor and the head end travelling gear of train of reduction gears are connected,Screw rod end is with driving the force side of parking pull bar to be in contact.
Description
Technical field
It the utility model is related to a kind of drum-type motor driving EPB.
Background technology
Passenger car M1, M2 or the parking system of commercial car N1 classifications are brake handle sub-unit and parking brake cable point
Assembly and hydraulic drum brake sub-unit, brake are the HDB of traditional sense.
M1, M2 passenger car of traditional mode, it is common that vehicle is relatively low in ratio of slope, GB7258 laws and regulations requirements 20%, current Europe,
Beautiful, day vehicle parking standard stays ratio of slope (climb and fall) >=30% to be fully loaded, and the vehicle parking braking level in China is relatively low, nothing
Method reaches American-European-Japanese standard, current N1 class commercial car generally existing overloadings, and 18% is unable to reach in ratio of slope, and main frame
Factory and user are intended to one class of the lifting in ratio of slope of vehicle, in view of this big requirement background, and have developed DEPB
Meet being actually needed for main engine plants and user.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of drum-type motor driving EPB, and it has parking
Output pulling force is big, mechanical transfer efficiency high, vehicle stay the features such as ratio of slope is high.
In order to solve the above technical problems, technical solution adopted in the utility model is：
A kind of drum-type motor drives EPB, including brake drum, brake backing plate, is symmetrical set in brake
Braking neck hoof and braking on bottom plate are being braked from hoof, positioned at braking neck hoof and braking from the brake slack adjuster between hoof
Lead hoof that hydraulic shunt pump is set with braking from the space between the corresponding one end of hoof, be connected with and stayed by rotating shaft from hoof in braking
Car pull bar, the force side of parking pull bar are driven by parking execution device, and parking execution device is that motor drives parking execution device,
It includes actuating motor and screw rod propulsive mechanism, and screw rod propulsive mechanism includes train of reduction gears, the final drive of train of reduction gears
Gear is connected with screw rod swivel nut drive mechanism, and the machine shaft of actuating motor and the head end travelling gear transmission of train of reduction gears connect
Connect, when the screw rod end in screw rod swivel nut drive mechanism is stretched out, the force side of driving parking pull bar is moved laterally, draws parking
Bar rotates by fulcrum of rotating shaft, so that the force side of parking pull bar promotes braking neck hoof laterally by brake slack adjuster
It is mobile overlayed with brake drum together with, afterwards by braking lead the reaction force of hoof make parking pull bar driven by rotating shaft brake from
Hoof is mobile laterally overlayed with brake drum together with, so as to produce parking braking effect.
The utility model further improvement is that：
The attachment structure of the final gear of train of reduction gears and screw rod swivel nut drive mechanism is：Final gear
Swivel nut is fixed in axle center, and swivel nut is connected with screw flight, and final gear will by axial limit structure and radial direction position limiting structure
Its is spacing in the relevant position of train of reduction gears, and axial limit structure includes symmetrically being fixed on reduction gear box left side wall and right side
Two axle sleeves of wall, two axle sleeve outer ends are respectively provided with ball bearing, and the left side wall and right side wall positioned at two axle sleeve outer ends are respectively set
There is the screw vent being connected with screw rod slide fit, final gear axial limiting radially limits in the space between two axle sleeves
Bit architecture includes passing through screw rod of two ball bearings on reduction gear casing, and final gear is radially spacing in spiral shell
On the axle center of bar, screw flight part between two axle sleeves, screw flight length is the stroke range of screw rod, is located at
Two screw vents of reduction gear box left side wall and right side wall form the stroke track of screw rod.
Train of reduction gears is planetary reduction gear group.
Reduction gear box is arranged on the braking neck hoof of the corresponding other end of hydraulic shunt pump and braked from the space between hoof
Interior, actuating motor is located at the back side of brake backing plate.
It is using beneficial effect caused by above-mentioned technical proposal：
The utility model is used as the output of parking power by actuating motor, and torque output is stable in time, and rigidity is big, no
It can vary with each individual, deviation occur；For parking execution device using motor driving parking execution device, it includes actuating motor and screw rod
Propulsive mechanism, screw rod propulsive mechanism include train of reduction gears, and final gear and the transmission of screw rod swivel nut of train of reduction gears are tied
Structure connects, and the machine shaft of actuating motor and the head end travelling gear of train of reduction gears are connected, and have saved configuration parking system
The matching cost of the parts such as fixed handle assembly, parking inhaul cable assembly；The present apparatus can be controlled by automobile CAN-bus control system,
Parking intelligent level is improved, driver need not arduously draw fixed handle, simple laborsaving；It has that parking output pulling force is big, machine
Tool transmission efficiency is high, vehicle stays the features such as ratio of slope is high.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is Fig. 1 left view；
Fig. 3 is the structural representation of screw rod propulsive mechanism in Fig. 1.
In the accompanying drawings：1st, brake drum；2nd, brake backing plate；3rd, braking neck hoof；4th, brake from hoof；5th, brake clearance adjusts
Device；6th, hydraulic shunt pump；7th, rotating shaft；8th, parking pull bar；9th, actuating motor；10th, final gear；11st, screw rod；12nd, swivel nut；
13rd, reduction gear box left side wall；14th, reduction gear box right side wall；15th, axle sleeve；16th, ball bearing；17th, machine shaft；18th, one
Level change-speed gearing；19th, two stage speed change gear.
Screw rod swivel nut drive mechanism is prior art, is rotated against between the connection screw thread by screw rod swivel nut, makes screw rod
Swivel nut produce displacement to axial, when screw rod is circumferentially opposed fixed (axially directed chute can be provided with screw rod outer wall, with spiral shell
The part of bar slide fit connection is provided with the guide runner being adapted with axially directed chute, you can screw rod is not rotated), swivel nut rotation
Screw rod is set to produce axial displacement with respect to swivel nut.
Embodiment
The utility model is further elaborated below in conjunction with the drawings and specific embodiments.
From the embodiment shown in Fig. 1-3, the present embodiment includes brake drum 1, brake backing plate 2, is symmetrical set
Braking neck hoof 3 and braking on brake backing plate 2 lead hoof 3 and braking from hoof 4, positioned at braking from the brake clearance between hoof 4
Adjuster 5, hydraulic shunt pump 6 is set with braking from the space between the corresponding one end of hoof 4 in braking neck hoof 3, braked from hoof 4
Upper to be connected with parking pull bar 8 by rotating shaft 7, the force side of parking pull bar 8 is driven by parking execution device, and parking execution device is
Motor drives parking execution device, and it includes actuating motor 9 and screw rod propulsive mechanism, and screw rod propulsive mechanism includes reduction gearing
Group, the final gear 10 of train of reduction gears are connected with screw rod swivel nut drive mechanism, and the machine shaft 17 of actuating motor 9 is with subtracting
The head end travelling gear of fast gear train is connected, and when the end of screw rod 11 in screw rod swivel nut drive mechanism is stretched out, drives parking
The force side of pull bar 8 is moved laterally, parking pull bar 8 is rotated with rotating shaft 7 for fulcrum, so that the force side of parking pull bar 8
Moved laterally by the promotion braking neck hoof 3 of brake slack adjuster 5 together with being overlayed with brake drum 1, afterwards by braking neck
Together with the reaction force of hoof 3 makes parking pull bar 8 drive braking to move from hoof 4 and to overlay with brake drum 1 laterally by rotating shaft 7,
So as to produce parking braking effect.
The attachment structure of the final gear 10 of train of reduction gears and screw rod swivel nut drive mechanism is：Final gear
Swivel nut 12 is fixed in 10 axle center, and swivel nut 12 is threadedly coupled with screw rod 11, and final gear 10 passes through axial limit structure and footpath
To position limiting structure that its is spacing in the relevant position of train of reduction gears, axial limit structure includes symmetrically being fixed on reduction gear box
20 left side wall 13 and two axle sleeves 15 of right side wall 14, two outer ends of axle sleeve 15 are respectively provided with ball bearing 16, positioned at two axles
Cover the left side wall 13 of 15 outer ends and right side wall 14 is respectively provided with the screw vent being connected with the slide fit of screw rod 11, screw rod 11, which is provided with, axially leads
To chute, screw vent wall is provided with the guide runner being adapted with axially directed chute, to prevent screw rod 11 with final drive tooth
The rotation of wheel 10, in the space between two axle sleeves 15, radial direction position limiting structure includes passing through the axial limiting of final gear 10
Two ball bearings 16 are supported on the screw rod 11 on reduction gear box (20), and final gear 10 is radially spacing in screw rod 11
On axle center, the screw thread of screw rod 11 is located at part between two axle sleeves 15, and the reach of screw rod 11 is the stroke range of screw rod 11,
The stroke track of screw rod 11 is formed positioned at the side wall 13 on a left side 20 for reduction gear box 20 and two screw vents of right side wall 14.
Train of reduction gears is planetary reduction gear group.
Reduction gear box 20 is arranged on the braking neck hoof 3 of the corresponding other end of hydraulic shunt pump 6 and braked between hoof 4
In space, actuating motor 9 is located at the back side of brake backing plate 2.
Operation principle：
The present apparatus controls the (control of startup and supply current size to actuating motor 5 by automobile CAN-bus control system
System), different control modes is realized by the software programming to control system, is not belonging to the scope involved by the application, below
By the explanation to one of which control method, operation principle and process to the present apparatus carry out exhibition and stated.
After DEPB parking function opening ways receive the parking instruction of ECU ECUs for DEPB, actuating motor 9 is opened
Beginning work, the machine shaft 17 of actuating motor 9 drive train of reduction gears to operate, and the planet speed-change gear train in gearbox starts band
Movable snail sleeve 12 is rotated, and driving torque is converted linear pulling force by swivel nut 12, drives screw rod 11 to form screw rod along two screw vents
11 stroke rail linearity motion, screw rod 11 drive the force side of parking pull bar 8 to move laterally, make parking pull bar 8 with rotating shaft 7
Rotated for fulcrum, so that the force side of parking pull bar 8 promotes braking neck hoof 3 to move laterally by brake slack adjuster 5
Together with being overlayed with brake drum 1, afterwards by braking lead hoof 3 reaction force make parking pull bar 8 by rotating shaft 7 drive braking from
Hoof 4 is mobile laterally overlayed with brake drum 1 together with, so as to produce parking braking effect.
Claims (4)
1. a kind of drum-type motor drives EPB, including brake drum (1), brake backing plate (2), it is symmetrical set and is making
Braking neck hoof (3) and braking on dynamic device bottom plate (2) lead hoof (3) and braking from hoof (4), positioned at braking from the system between hoof (4)
Dynamic slack adjuster (5), hydraulic pressure is set with braking from the space between the corresponding one end of hoof (4) in the braking neck hoof (3)
Wheel cylinder (6), parking pull bar (8) is connected with by rotating shaft (7) from hoof (4) in braking, the force side of the parking pull bar (8) by
Parking execution device drives, it is characterised in that：The parking execution device is that motor drives parking execution device, and it includes performing
Motor (9) and screw rod propulsive mechanism, the screw rod propulsive mechanism include train of reduction gears, the final drive of the train of reduction gears
Gear (10) is connected with screw rod swivel nut drive mechanism, machine shaft (17) and the train of reduction gears of the actuating motor (9)
The drive connection of head end travelling gear, when screw rod (11) end in the screw rod swivel nut drive mechanism is stretched out, stayed described in driving
The force side of car pull bar (8) is moved laterally, the parking pull bar (8) is rotated with the rotating shaft (7) for fulcrum, so that institute
The force side for stating parking pull bar (8) promotes braking neck hoof (3) mobile laterally and the braking by brake slack adjuster (5)
Drum (1) overlays together, parking pull bar (8) is driven by the rotating shaft (7) by the reaction force of braking neck hoof (3) afterwards
Braking is moved laterally from hoof (4) overlay with the brake drum (1) together with, so as to produce parking braking effect.
A kind of 2. drum-type motor driving EPB according to claim 1, it is characterised in that：The train of reduction gears
The attachment structure of final gear (10) and screw rod swivel nut drive mechanism be：Spiral shell is fixed in the axle center of final gear (10)
Cover (12), the swivel nut (12) is threadedly coupled with screw rod (11), the final gear (10) by axial limit structure and
Radial direction position limiting structure is spacing in the relevant position of the train of reduction gears by its, and the axial limit structure includes symmetrically being fixed on
Two axle sleeves (15) of reduction gear box (20) left side wall (13) and right side wall (14), two axle sleeve (15) outer ends are respectively provided with
Ball bearing (16), left side wall (13) and right side wall (14) positioned at two axle sleeve (15) outer ends are respectively provided with and the screw rod
(11) screw vent of slide fit connection, sky of final gear (10) axial limiting between two axle sleeves (15)
In gap, the radial direction position limiting structure includes being supported on the reduction gear box (20) by two ball bearings (16)
Screw rod (11), spacing on the axle center of the screw rod (11), the spiral shell of the screw rod (11) of final gear (10) radial direction
Line part between two axle sleeves (15), the reach of the screw rod (11) are the stroke range of screw rod (11), position
The screw rod (11) is formed in the left side wall (13) of the reduction gear box (20) and two screw vents of right side wall (14)
Stroke track.
A kind of 3. drum-type motor driving EPB according to claim 2, it is characterised in that：The train of reduction gears
For planetary reduction gear group.
A kind of 4. drum-type motor driving EPB according to claim 3, it is characterised in that：The reduction gear box
(20) it is arranged on the braking neck hoof (3) of the corresponding other end of the hydraulic shunt pump (6) and brakes from the sky between hoof (4)
In gap, the actuating motor (9) is located at the back side of the brake backing plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721014238.5U CN207034039U (en) | 2017-08-15 | 2017-08-15 | A kind of drum-type motor drives EPB |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721014238.5U CN207034039U (en) | 2017-08-15 | 2017-08-15 | A kind of drum-type motor drives EPB |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207034039U true CN207034039U (en) | 2018-02-23 |
Family
ID=61487456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721014238.5U Active CN207034039U (en) | 2017-08-15 | 2017-08-15 | A kind of drum-type motor drives EPB |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207034039U (en) |
-
2017
- 2017-08-15 CN CN201721014238.5U patent/CN207034039U/en active Active
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