CN109340320A - A kind of wheel side speed reducer - Google Patents
A kind of wheel side speed reducer Download PDFInfo
- Publication number
- CN109340320A CN109340320A CN201811251219.3A CN201811251219A CN109340320A CN 109340320 A CN109340320 A CN 109340320A CN 201811251219 A CN201811251219 A CN 201811251219A CN 109340320 A CN109340320 A CN 109340320A
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- China
- Prior art keywords
- piston
- gear
- spline
- ring
- wheel
- 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.)
- Pending
Links
- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 21
- 244000309464 bull Species 0.000 claims abstract description 30
- 230000009467 reduction Effects 0.000 claims abstract description 11
- 238000012546 transfer Methods 0.000 claims abstract description 5
- 239000012530 fluid Substances 0.000 claims abstract 2
- 238000007789 sealing Methods 0.000 claims description 28
- 238000007667 floating Methods 0.000 claims description 23
- 238000001816 cooling Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 230000008859 change Effects 0.000 abstract description 3
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 17
- 239000010720 hydraulic oil Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 241000219098 Parthenocissus Species 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H1/32—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
-
- 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
- F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
- F16D55/24—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with a plurality of axially-movable discs, lamellae, or pads, pressed from one side towards an axially-located member
-
- 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
A kind of hub reduction gear, including input shell, service brake assembly, parking braking assembly, planetary gear train, the input shell are connect by transfer panel with rack；After speed reducer connector sleeve and the closed planetary gear reduction being made of central gear, planetary gear train, bull gear, output torque is connect with tire by the bull gear of output end of reducer.The size of hydraulic fluid pressure is injected by changing brake oil inlet, pushes piston to change the compression degree to friction plate, and changes the size of moment of friction, so that the transmission by retarder can tire on the drive wheels traveling.Braking and deceleration of the heavy-duty machinery driving speed reducer during enforcement may be implemented by the combination degree of hydraulic control friction brake.It is freely exercised when brake is completely disengaged in vehicle, when brake is completely combined, wheel is braked in realization completely.
Description
Technical field
The present invention relates to Automobile Design and manufacturing technology field, in particular to a kind of wheel side speed reducer.
Background technique
Hub reduction gear is to be reached applied to the transmission device on bulk transport vehicle or creeper truck by providing deceleration torque increase
The purpose of deceleration.
In current heavy truck or big machinery vehicle, to make maximum reduction ratio and compact structure, it will usually
Hub reduction gear is added using the main reducing gear of single-stage or twin-stage again.Structure is complicated for existing hub reduction gear, and has higher
Matching requirements, transmission ratio is low, to be unfavorable for internal structure daily maintenance and cleaning, the above problem would generally be to hub reduction
The service life of device produces bigger effect.Existing wheel side speed reducer is there is also sensitivity is lower simultaneously, and slowing effect is not
Expected problem can be reached.
Summary of the invention
The purpose of the present invention is to provide a kind of wheel side speed reducer, it is made to be easier to manufacture installation, consequently facilitating maintenance and clear
It is clean, while making brake apparatus more flexibility and reliability.
Solution of the invention is as follows:
Hub reduction gear, including input shell, service brake assembly, parking braking assembly, planetary gear train, the input shell are logical
Transfer panel is crossed to connect with rack；
The planetary gear train includes central gear, and the central gear is nibbled with third-level planetary wheel, secondary planet wheel, primary planet wheel
Connection is closed, the third-level planetary wheel, secondary planet wheel, primary planet wheel outside are connect with large ring gear meshing；
The service brake assembly includes first piston, the first retaining ring, Ventilated cap, cylinder body, the first inner attrition piece, the first external friction
Piece, spline gear, floating sealing base composition；The cylinder body, spline gear, floating sealing base are bolted on the input shell,
Ventilated cap is provided on the cylinder body；The first piston is connected with the cylinder body, is provided with annular on the first piston
Slot is equipped with the first retaining ring in the annular groove, is additionally provided with X-shaped sealing ring on first retaining ring；First external friction
Piece is connect with the spline gear spline；Brake oil inlet, the oil inlet are provided on the input shell, spline gear
Mouth passes through the ring cavity connection of pipeline and the first piston, and the compulsory circulative cooling oil inlet and outlet on the output housing is arranged in
Pass through pipeline and the oil inlet connection；The bull gear is mounted on the input shell by bearing and is consolidated by shrink disc
It is fixed；First inner attrition piece is n, and first outside friction disc is n+1, outside first inner attrition piece and described first
Friction plate is alternately installed, and first inner attrition piece is connect by spline with bull gear, first outside friction disc and described the
The right side of one piston is adjacent to；
The parking braking assembly includes the second X-shaped sealing ring, second piston, the second inner attrition piece, the second outside friction disc, spline
Block plate, the second retaining ring, baffle plate assembly, check ring composition；Second inner attrition piece is m, and second outside friction disc is m
+ 1, first inner attrition piece replaces installation with first outside friction disc；The colored block key disk, outside friction disc with it is described defeated
Enter the connection of shell spline, the inner attrition piece is connect with connector sleeve spline, and the second piston is arranged in the input shell
The second piston is fixed by baffle plate assembly in side, and the baffle plate assembly is locked by check ring；On the input shell
It is provided with parking brake oil inlet, the parking brake oil inlet is joined by pipeline and the second ring cavity of the second piston
It is logical.
Further, reset spring is provided in the circular hole of the first piston.
Further, outer spring, inner spring, the outer spring and the second piston phase are provided in the second piston
Connection, the inner spring are connected with the baffle plate assembly.
Further, floating seal ring is provided between the floating sealing base and the bull gear.
Further, sealing shroud, floating seal ring, the sealing are provided between the input shell and the bull gear
Set is enclosed in outside the floating seal ring；
Further, the bull gear outer rim end face and wheel hub are connected with by screw hole.
The present invention provides friction to bull gear by reasonably assembling running brake and parking brake, running brake
Torque, parking brake provides moment of friction to connector sleeve, and an entirety is constituted together with planetary gear, so that the transmission body
The transmitting torque of system it is big, transmission efficiency is high, compact-sized, work efficiency is high.Hydraulic oil is injected by changing running brake
Pressure size, to change the combination degree of friction brake, so as to the more flexible size for changing moment of friction, from
And flexibly control the driving condition of vehicle.
Detailed description of the invention
Fig. 1 is the structural scheme of mechanism of wheel side speed reducer of the present invention.
Fig. 2 is the partial enlarged view in the portion wheel side speed reducer running brake A of the present invention.
Fig. 3 is the partial enlarged view in the portion wheel side speed reducer parking brake B of the present invention.
Fig. 4 is wheel side speed reducer running brake compulsory circulative cooling oil-collecting hole structure chart of the present invention.
Appended drawing reference: 1- transfer panel, 2- input shell, 3- first piston, the first retaining ring of 4-, the first X-shaped sealing ring of 5-, 6-
The floating envelope of Ventilated cap, 8- reset spring, 9- cylinder body, the first outside friction disc of 10-, 11- spline gear, the first inner attrition piece of 12-, 13-
Seat, 14- floating seal ring, 15- connector sleeve, 16- bull gear, 17- third-level planetary wheel, 18- secondary planet wheel, 19- primary planet
Wheel, 20- central gear, 22- sealing shroud, 23,25- bolt, the second X-shaped sealing ring of 26-, 27- second piston, 29- second rub outside
Pad, the second inner attrition piece of 30-, 31- spline block plate, the second retaining ring of 32-, 33- outer spring, 35- inner spring, 36- baffle plate assembly,
37- check ring, a, d- oil inlet, the first ring cavity-b, the second ring cavity-f, bearing-M, screw hole-F.
Specific embodiment
More detailed description is done to embodiments of the present invention below in conjunction with attached drawing and appended drawing reference, makes to be familiar with this field
Technology people can implement accordingly after studying this specification carefully.It should be appreciated that specific embodiment described herein is only to explain this
Invention, is not intended to limit the present invention.
Referring to Fig. 1 to Fig. 3, hub reduction gear, including input shell, service brake assembly, parking braking assembly, planetary gear
System, the input shell are connect by transfer panel 1 with rack；
The planetary gear train includes central gear 20, the central gear 20 and third-level planetary wheel 17, secondary planet wheel 18, level-one
The engagement connection of planetary gear 19, the third-level planetary wheel 17, secondary planet wheel 18,19 outside of primary planet wheel are engaged with bull gear 16
Connection；
The service brake assembly includes first piston 3, the first retaining ring 4, Ventilated cap 6, cylinder body 9, the first inner attrition piece 12, first
Outside friction disc 10, spline gear 11, floating sealing base 13 form；The cylinder body 9, spline gear 11, floating sealing base 13 pass through bolt 23,25
It is connected on the input shell 2, Ventilated cap 6 is provided on the cylinder body；The first piston 3 is connected with the cylinder body 9,
It is provided with annular groove on the first piston 3, the first retaining ring 4 is installed in the annular groove, is also set up on first retaining ring 4
There is X-shaped sealing ring 5；First outside friction disc 10 is connect with 11 spline of spline gear；The input shell 2, spline tooth
Brake oil inlet is provided on circle 11, the oil inlet passes through the ring cavity f connection of pipeline and the first piston 3, setting
Compulsory circulative cooling oil inlet and outlet on the output housing 2 passes through pipeline and the oil inlet connection；The bull gear 16
It is mounted on the input shell 2 by bearing 38 and fixed by shrink disc 26；First inner attrition piece 12 is n, institute
Stating the first outside friction disc 10 is n+1, and first inner attrition piece 12 replaces installation with first outside friction disc 10, described the
One inner attrition piece 12 is connect by spline with bull gear 16, the right side of first outside friction disc 10 and the first piston 3
It is adjacent to；
The parking braking assembly includes the second X-shaped sealing ring 26, second piston 27, the second inner attrition piece 30, the second external friction
Piece 29, spline block plate 31, the second retaining ring 32, baffle plate assembly 36, check ring 37 form；Second inner attrition piece 30 is m,
Second outside friction disc 29 is m+1, and first inner attrition piece 12 replaces installation with first outside friction disc 10；It is described
Flower block key disk 31, outside friction disc 29 are connect with 2 spline of input shell, and the inner attrition piece 30 connects with 15 spline of connector sleeve
It connecing, the setting of second piston 27 is fixed the second piston 27 by baffle plate assembly 36 in 2 inside of input shell,
The baffle plate assembly 36 is locked by check ring 37；It is provided with parking brake oil inlet on the input shell 2, it is described to stay
Vehicle brake oil inlet passes through the second ring cavity f connection of pipeline and the second piston 27.
The power of motor, through speed reducer connector sleeve 15 and by central gear 20, third-level planetary wheel, secondary planet wheel, level-one
Planetary gear, bull gear composition closed planetary gear reduction after, connect by the bull gear 16 of output end of reducer with wheel hub defeated
Torque out.First outside friction disc 12 is rotated by being connected with the spline on bull gear 16 with wheel side speed reducer, the first external friction
Piece 10 is connect with spline gear 11 by spline and limits its rotation；The oil inlet a effect that hydraulic oil passes through input shell 2, cylinder body 9
In 3 ring cavity b of piston, full of hydraulic oil to push piston 3 to move to right in ring cavity b, while compressing inside the circular hole of first piston 3
Reset spring 8 so that being compressed between first inner attrition piece and outside friction disc, the outside friction disc being connected with bull gear 16
Slow down due to generating moment of friction with inner attrition piece, bull gear 16 is transferred on wheel hub to realize wheel with moment of friction
Slow down；Hydraulic oil is discharged by the compulsory circulative cooling oil outlet on output housing 2, the reset spring 8 in the first piston 3
Expansion is so that piston moves to left；To move left and right to change outside the first inner attrition piece 12 and first by hydraulic control piston
Combination degree between friction plate 10, to realize the braking and deceleration of heavy-duty machinery driving speed reducer in the process of moving；When
Vehicle is traveled freely when completely disengaged between first inner attrition piece 12 and the first outside friction disc 10, when the first inner attrition piece 12 and
When being completely combined between one outside friction disc 12, wheel can be braked completely.It is adopted between floating sealing base 12 and bull gear 16
It is sealed with floating seal ring 16,24, retaining ring 4,6 and X-shaped sealing ring is installed to limit the movement of piston in 3 annular groove of first piston
Distance prevents hydraulic oil seepage simultaneously.
In driving, hydraulic oil is acted in the ring cavity of second piston 27 by inputting the oil inlet d of shell 2, so that ring
Full of hydraulic oil to push second piston 27 to be moved to the left in chamber f, while the inner spring 35, outer spring 33 are compressed, the
It is completely disengaged between two inner attrition pieces 30 and the second outside friction disc 29, it allows the vehicle to be traveled freely；When parking, fill
Hydraulic oil in two pistons, 27 ring cavity is discharged by brake oil inlet, the inner spring 35 being mounted on baffle plate assembly be mounted on
The mutually expansion of the outer spring 33 of second piston 27 makes second piston 27 move right, to rub outside the second inner attrition piece 30, second
It is completely combined between pad 29, brakes wheel completely.Second piston is limited in the second retaining ring 32 by setting
27 moving distance, in the second retaining ring 32 the second X-shaped sealing ring 26, which is arranged in, prevents hydraulic oil seepage, and the check ring is solid
The fixed spring assembly.
Preferably, reset spring 8 is provided in the circular hole of the first piston 3, reset spring 8 provides elasticity when compressing
Potential energy, to drive the first piston 3 to move to left when reset spring 8 is expanded.
Preferably, outer spring 33, inner spring 35, the outer spring 33 and described second are provided in the second piston 27
Piston 27 is connected, and the inner spring 35 is connected with the baffle plate assembly 36, is full of the ring cavity of second piston 27 in hydraulic oil
When so that second piston 27 moving to left, is compressed mutually between inner spring 33 and outer spring 35 and generate elastic potential energy, when hydraulic oil is discharged,
Piston is pushed to move to right recovery by inner spring 33 and outer spring 35.
Preferably, floating seal ring 14, the floating seal are provided between the floating sealing base 13 and the bull gear 16
Circle makes to be tightly connected between the seal receptacle 13 and the bull gear.
Preferably, sealing shroud 22, floating seal ring 24, institute are provided between the input shell 2 and the bull gear 16
It states sealing shroud 22 to be enclosed in outside the floating seal ring 24, so that between the input shell 2 and the bull gear 16
Sealing.
Preferably, 16 outer rim end face of bull gear is connected with wheel hub by screw hole F, by the output of bull gear 16
Torque is transferred to wheel hub.
The above are one embodiment of the present invention, and the description thereof is more specific and detailed, but cannot therefore be interpreted as pair
The limitation of the invention patent range.It should be pointed out that for those of ordinary skill in the art, not departing from the present invention
Design under the premise of, various modifications and improvements can be made, and these are all within the scope of protection of the present invention.Therefore, this hair
The scope of protection shall be subject to the appended claims for bright patent.
Claims (5)
1. a kind of hub reduction gear, it is characterised in that: including inputting shell, service brake assembly, parking braking assembly, planetary gear
System, the input shell are connect by transfer panel (1) with rack；
The planetary gear train includes central gear (20), the central gear (20) and third-level planetary wheel (17), secondary planet wheel
(18), primary planet wheel (19) engagement connection, the third-level planetary wheel (17), secondary planet wheel (18), primary planet wheel (19)
Connection is engaged with bull gear (16) in outside；
The service brake assembly includes first piston (3), the first retaining ring (4), Ventilated cap (6), cylinder body (9), the first interior friction
Piece (12), the first outside friction disc (10), spline gear (11), floating sealing base (13) composition；The cylinder body (9), spline gear (11),
Floating sealing base (13) is connected on the input shell (2) by bolt (23,25), is provided with Ventilated cap on the cylinder body (9)
(6)；The first piston (3) is connected with the cylinder body (9), is provided with annular groove, the annular on the first piston (3)
It is equipped in slot the first retaining ring (4), is additionally provided with X-shaped sealing ring (5) on first retaining ring (4)；First outside friction disc
(10) it is connect with the spline gear (11) spline；Be provided on the input shell (2), spline gear (11) brake into
Hydraulic fluid port, the oil inlet pass through ring cavity (b) connection of pipeline and the first piston (3), are arranged on the output housing (2)
Compulsory circulative cooling oil inlet and outlet pass through pipeline and the oil inlet connection；The bull gear (16) is installed by bearing (38)
It is on the input shell (2) and fixed by shrink disc (26)；First inner attrition piece (12) is n, outside described first
Friction plate (10) is n+1, and first inner attrition piece (12) replaces installation with first outside friction disc (10), described first
Inner attrition piece (12) is connect by spline with bull gear (16), first outside friction disc (10) and the first piston (3)
Right side is adjacent to；
The parking braking assembly includes the second X-shaped sealing ring (26), second piston (27), the second inner attrition piece (30), second
Outside friction disc (29), spline block plate (31), the second retaining ring (32), baffle plate assembly (36), check ring (37) composition；Described second
Inner attrition piece (30) is m, and second outside friction disc (29) is m+1, first inner attrition piece (12) and described first
Outside friction disc (10) is alternately installed；The colored block key disk (31), outside friction disc (29) are connect with input shell (2) spline,
The inner attrition piece (30) connect with connector sleeve (15) spline, and second piston (27) setting is in the input shell (2)
Side, by baffle plate assembly (36) that the second piston (27) are fixed, the baffle plate assembly (36) is locked by check ring (37)
Tightly；Be provided with parking brake oil inlet on the input shell (2), the parking brake oil inlet by pipeline with it is described
Second ring cavity (f) connection of second piston (27).
2. wheel side speed reducer according to claim 1, it is characterised in that: be provided in the circular hole of the first piston (3)
Reset spring (8).
3. wheel side speed reducer according to claim 1, it is characterised in that: be provided with outer spring in the second piston (27)
(33), inner spring (35), the outer spring (33) are connected with the second piston (27), the inner spring (35) and the gear
Board group part (36) is connected.
4. wheel side speed reducer according to claim 1, it is characterised in that: the floating sealing base (13) and the bull gear (16)
Between be provided with floating seal ring (14).
5. wheel side speed reducer according to claim 1, it is characterised in that: the input shell (2) and the bull gear
(16) sealing shroud (22), floating seal ring (24) are provided between, the sealing shroud (22) is enclosed in the floating seal ring
(24) external；
Wheel side speed reducer according to claim 1, it is characterised in that: bull gear (16) outer rim end face passes through with wheel hub
Screw hole (F) is connected with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811251219.3A CN109340320A (en) | 2018-10-25 | 2018-10-25 | A kind of wheel side speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811251219.3A CN109340320A (en) | 2018-10-25 | 2018-10-25 | A kind of wheel side speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109340320A true CN109340320A (en) | 2019-02-15 |
Family
ID=65312063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811251219.3A Pending CN109340320A (en) | 2018-10-25 | 2018-10-25 | A kind of wheel side speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109340320A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110541929A (en) * | 2019-08-29 | 2019-12-06 | 上海布拓传动系统设备有限公司 | Dual-function wheel-side speed reducer integrating service braking and parking braking |
| CN112576652A (en) * | 2020-12-14 | 2021-03-30 | 意宁液压股份有限公司 | Brake |
| CN114455513A (en) * | 2022-02-21 | 2022-05-10 | 安徽合力股份有限公司 | An electric forklift dual-drive system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4037694A (en) * | 1975-07-21 | 1977-07-26 | Rockwell International Corporation | Drive axle outer end with brake and gearing |
| US20020045510A1 (en) * | 2000-06-22 | 2002-04-18 | Horst Damm | Wheel drive with integrated dynamic service brake |
| CN101956787A (en) * | 2010-09-01 | 2011-01-26 | 江苏驰翔精密齿轮有限公司 | Traveling speed reducer for crane |
| CN102537142A (en) * | 2010-12-23 | 2012-07-04 | 泸州邦立减速机有限责任公司 | Travelling speed reducer brake for travel braking |
| CN202327040U (en) * | 2011-11-15 | 2012-07-11 | 上海剑豪传动机械有限公司 | Large-torque planetary gear box input structure |
| CN103032560A (en) * | 2012-12-10 | 2013-04-10 | 意宁液压股份有限公司 | Novel double-braking rim driving device |
| CN203093737U (en) * | 2013-02-26 | 2013-07-31 | 杨建国 | Electric drive mechanism of automobile |
| CN103818837A (en) * | 2013-12-28 | 2014-05-28 | 黄建新 | Travelling crane fastener |
| CN204173832U (en) * | 2014-08-29 | 2015-02-25 | 启东万惠机械制造有限公司 | Ratchet-type internal tooth drive device |
| CN209161319U (en) * | 2018-09-18 | 2019-07-26 | 青岛银菲特精密机械有限公司 | A kind of giant caterpillar formula crane driving speed reducer |
-
2018
- 2018-10-25 CN CN201811251219.3A patent/CN109340320A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4037694A (en) * | 1975-07-21 | 1977-07-26 | Rockwell International Corporation | Drive axle outer end with brake and gearing |
| US20020045510A1 (en) * | 2000-06-22 | 2002-04-18 | Horst Damm | Wheel drive with integrated dynamic service brake |
| CN101956787A (en) * | 2010-09-01 | 2011-01-26 | 江苏驰翔精密齿轮有限公司 | Traveling speed reducer for crane |
| CN102537142A (en) * | 2010-12-23 | 2012-07-04 | 泸州邦立减速机有限责任公司 | Travelling speed reducer brake for travel braking |
| CN202327040U (en) * | 2011-11-15 | 2012-07-11 | 上海剑豪传动机械有限公司 | Large-torque planetary gear box input structure |
| CN103032560A (en) * | 2012-12-10 | 2013-04-10 | 意宁液压股份有限公司 | Novel double-braking rim driving device |
| CN203093737U (en) * | 2013-02-26 | 2013-07-31 | 杨建国 | Electric drive mechanism of automobile |
| CN103818837A (en) * | 2013-12-28 | 2014-05-28 | 黄建新 | Travelling crane fastener |
| CN204173832U (en) * | 2014-08-29 | 2015-02-25 | 启东万惠机械制造有限公司 | Ratchet-type internal tooth drive device |
| CN209161319U (en) * | 2018-09-18 | 2019-07-26 | 青岛银菲特精密机械有限公司 | A kind of giant caterpillar formula crane driving speed reducer |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110541929A (en) * | 2019-08-29 | 2019-12-06 | 上海布拓传动系统设备有限公司 | Dual-function wheel-side speed reducer integrating service braking and parking braking |
| CN110541929B (en) * | 2019-08-29 | 2024-04-30 | 上海布拓传动系统设备有限公司 | Dual-functional hub reduction gear with service braking and parking braking are as an organic whole |
| CN112576652A (en) * | 2020-12-14 | 2021-03-30 | 意宁液压股份有限公司 | Brake |
| CN112576652B (en) * | 2020-12-14 | 2023-09-08 | 意宁液压股份有限公司 | Brake device |
| CN114455513A (en) * | 2022-02-21 | 2022-05-10 | 安徽合力股份有限公司 | An electric forklift dual-drive system |
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Application publication date: 20190215 |