CN107202695B - A kind of large torque liquid viscous couplings experimental rig - Google Patents
A kind of large torque liquid viscous couplings experimental rig Download PDFInfo
- Publication number
- CN107202695B CN107202695B CN201710613373.XA CN201710613373A CN107202695B CN 107202695 B CN107202695 B CN 107202695B CN 201710613373 A CN201710613373 A CN 201710613373A CN 107202695 B CN107202695 B CN 107202695B
- Authority
- CN
- China
- Prior art keywords
- friction
- plate
- planet carrier
- large torque
- shunting disk
- 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
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/022—Power-transmitting couplings or clutches
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/025—Test-benches with rotational drive means and loading means; Load or drive simulation
Abstract
The invention discloses a kind of large torque liquid viscous couplings experimental rigs, have simulation drag conveyor soft start, heavy-load start and power-balance test function, including input shafting, friction clutch and planetary output shaft system.Wherein, it controls oil equipped with control oil duct and oil leab on end cap and shunting disk and is acted in friction pair into ring-like oil cylinder offer pressure, make the by-produced moment of friction that rubs；Lubricating oil has transmitting torque and heat sinking function as working oil；Gear Planet Transmission component is set in experimental rig, provides the functional requirement that large torque meets drag conveyor soft start to load.The present invention has many advantages, such as that compact-sized, stability is high, is convenient for control, can guarantee the performance with output large torque.
Description
Technical field
The present invention relates to a kind of liquid viscous couplings devices, refer in particular to a kind of liquid that can be used for drag conveyor output large torque
Glutinous clutch test device.
Background technique
It is mostly that band carries starting and conveyer starting frequently, therefore drag conveyor opens at this stage when drag conveyor starts
Flowing mode development is soft start, and liquid viscous couplings Start Technology is used widely on controllable initiating device.It can be with
It effectively solves drag conveyor heavy-load start, impact the problems such as big and power distribution is uneven, while can be to avoid due to electronic
Machine frequent starting causes to impact to power grid and components.
Currently, liquid viscous couplings are mainly used in the soft of high-power blower, the variable speed energy saving of water pump and belt conveyor
Aspect is started, application number CN105021397A discloses a kind of fluid viscidity timing clutch experimental provision of Double-working-condition test, the examination
Soft start and speed regulation Double-working-condition simulation test function can be met in experiment device simultaneously.Application No. is CN105937565A to disclose
A kind of fluid viscidity timing clutch of double-direction control is applied to piston using double control oil circuit in the device, and then to friction plate two
While carrying out application pressure makes friction plate uniform stressed.Application No. is CN106353091A to disclose a kind of controllable friction piece quantity
Transmission test device is sticked with the liquid of oil film thickness, by adding the pad of different-thickness between support plate and driving disc spacing pressing in the device
Piece changes installation friction plate space inside clutch and realizes friction plate controllable quantity, while moving horizontally control by controlling bolt
Liquefaction film thickness size.These patents propose technical solution mainly for variable-speed clutch, and loading moment is smaller and revolving speed is very high,
Speed adjusting performance is accurately controlled, but for large power overloading drag conveyor, it is necessary to which offer large torque is provided
Reach the liquid viscous couplings experimental provision of soft start simultaneously, to meet the needs of drag conveyor soft start.
Summary of the invention
The object of the present invention is to provide a kind of output large torque, simple and reliable for structure, stability is high, scraper plate conveying can be achieved
The experimental provision of the soft start working condition requirement of machine.Using output planetary transmission component to load provide large torque, improve liquid stick from
The structure of clutch friction subcomponent, guarantee test device have stable output revolving speed and torque under different operating conditions.
The technical scheme is that a kind of large torque liquid viscous couplings experimental rig, including cabinet, input shafting, from
Clutch component, Gear Planet Transmission component and output par, c:
The cabinet removes left plate, and right side plate center is provided with hole；The input shafting includes input shaft and jackshaft,
And it is provided with the end cap and left bearing lid of centre bore；
It is mounted in end cap central bore in the middle part of the input shaft, there are two taper rollers for the middle part installation of the input shaft
Bearing, respectively the first tapered roller bearing and the second tapered roller bearing；The inner ring of first tapered roller bearing passes through
Circlip positioning, outer ring are positioned by left bearing lid, and the inner ring of second tapered roller bearing is fixed by the input shaft shaft shoulder
Position, outer ring are positioned by end cap, are located by connecting between described two tapered roller bearings by distance collar, left bearing lid is connected to
On on the outside of end cap；
The clutch pack includes shunting disk, piston, reset spring, support plate, support plate, shaft coupling circle, rubs and move
Piece and friction stationary plate；
The end cap is connected on shunting disk, and the shunting disk is connected on the left of cabinet, and friction stationary plate and friction movable plate are handed over
For placement, and it is friction stationary plate that it is outermost, which to be located at left and right,；Pass through reset spring control between the piston left end and shunting disk
Distance processed, piston right end are connected with the friction stationary plate of the leftmost side, and friction stationary plate internal tooth and shunting disk external tooth are cooperatively connected, and friction is dynamic
Piece external tooth and shaft coupling circle internal tooth are cooperatively connected, and the friction stationary plate right end of the rightmost side is in contact with support plate, the support plate and
Shunting disk connection, support plate are connected by screw in support plate right end, and shaft coupling circle is positioned axially through support plate, circumferential with rubbing
Movable plate is wiped to rotate together；
The Gear Planet Transmission component includes planet carrier, planetary gear, planet wheel spindle, ring gear and right bearing lid；
The first cylinder roller bearing is installed in the middle part of the planet carrier, the first cylinder roller bearing right end passes through right axle
Lid positioning is held, left end is positioned by the planet carrier shaft shoulder, and the right bearing lid is by being connected on the outside of cabinet right side plate centre bore；Institute
It states planet carrier left end and the second cylinder roller bearing is installed, the second cylinder roller bearing right end is fixed by the planet carrier shaft shoulder
Position, left end are positioned by shunting disk, uniformly install three planet wheel spindles around the planet carrier, the planet wheel spindle passes through positioning
On planet carrier, the planetary gear is mounted on planet carrier pin connection by planet wheel spindle, and there are two for installation in the middle part of planetary gear
Three cylinder roller bearings are located by connecting between described two third cylinder roller bearings by distance collar, and planet is leaned at both ends respectively
The positioning of the frame shaft shoulder, the ring gear internal tooth is circumferential to be cooperatively connected with planetary gear, and ring gear is axially connect with shaft coupling circle；
The jackshaft left end is cooperatively connected by spline and input shaft internal tooth, and right end external tooth is matched with three planetary gear external tooths
Connection is closed, it is axial to be located by connecting respectively with input shaft and planet carrier.
In above scheme, the end cap and the input shaft pass through the first skeleton oil seal, the right bearing lid and institute
It states planet carrier and passes through the second skeleton oil seal.
In above scheme, the end cap and shunting disk are sealed by an axial O-ring and two radial O-rings, described
Piston and shunting disk are sealed by two axial O-rings.
In above scheme, the friction stationary plate and friction movable plate composition friction pair in external tooth radius be respectively 332mm and
256mm, the friction pair of major diameter can make liquid viscous couplings transmitting large torque at the low rotational speed.
In above scheme, clutch is acted on the ring gear of output planetary transmission, meets system output large torque, knot
Structure compact and reasonable effectively separates load and motor input, plays the role of protecting motor.
In above scheme, liquid viscous couplings are brake structural, and internal tooth friction stationary plate is fixed, external tooth friction movable plate and internal tooth
Input torque is all transmitted to planet carrier by braking ring gear by circle connection.
In above scheme, different-thickness gasket can be added among and support plate secondary in friction.
In above scheme, the axial control port for conveying control oil to piston is distributed on the end cap and shunting disk
It is rubbing with the entrance setting for the axial lubrication mouth to friction stationary plate and the movable plate conveying lubricating oil that rubs, axial lubrication
At stationary plate internal tooth tooth root, outlet increases the back pressure of lubricating oil in friction movable plate external tooth tooth root.
In above scheme, the friction movable plate surface is carbon fiber paper base frication material and oil groove is bicircular arcs oil groove.
In above scheme, displacement sensor is installed at the piston, temperature sensor is installed on the stationary plate that rubs.
Beneficial effects of the present invention: (1) present invention is suitable for the operating condition of high-power large torque output, wherein friction plate diameter
Up to 664mm, output moment of friction can be improved to greatest extent；(2) this experimental rig inner output shaft is planetary transmission system, is had
Effect increases output torque, compact-sized, meets the requirement of large torque output；(3) this experimental rig liquid viscous couplings are brake
Structure, friction stationary plate are fixedly connected with rack, make the movable plate revolving speed reduction torque increase that rubs by reduction oil film thickness, to floating
Ring gear opposite direction torque, input torque is fully transmitted on output planetary frame, the starting performance and stabilization of system are improved
Property；(4) present invention can realize change clutch friction pair number by increasing the gasket of different-thickness；(5) liquid viscous couplings friction
The oil export that works between pair is that the tooth root of ring gear improves oil since the effect of ring gear increases the back pressure of work oil export
Film bearing capacity；(6) stationary plate that rubs in experimental rig is steel disc, and the thickness for thickening friction stationary plate can carry out more preferably radiating to exist simultaneously
Pre-buried temperature sensor on friction stationary plate, the thermo parameters method of oil film and friction plate between accurate measurement friction is secondary；(7) at piston
Displacement sensor is installed, the secondary gap of measurement friction judges Frotteurism.
Detailed description of the invention
Fig. 1 is a kind of large torque liquid viscous couplings experimental rig structural schematic diagram of the invention.
Fig. 2 is the partial enlargement diagram in Fig. 1.
Fig. 3 is layout drawing of the temperature sensor on friction stationary plate.
Wherein: 1- cabinet；2- shunting disk；3- displacement sensor；4- piston；5- end cap；6- left bearing lid；7- taper roller
Bearing；The first outside framework oil seal of 8-；9- circlip；10- input shaft；11- jackshaft；12- reset spring；The rolling of the second cylinder of 13-
Sub- bearing；14- support plate；15- support plate；16- shaft coupling circle；17- ring gear；18- positioning pin；19- planet wheel spindle spring catch
Circle；20- planet wheel spindle；21- third cylinder roller bearing；22- planetary gear；The first cylinder roller bearing of 23-；The second skeleton of 24-
Oil sealing；25- planet carrier；26- right bearing lid；27- friction stationary plate；28- friction movable plate；29- oil outlet.
Specific embodiment
With reference to the accompanying drawing and specific implementation the present invention is further illustrated.
As shown in Figure 1, 2, a kind of large torque liquid viscous couplings experimental rig, including input shaft 10, jackshaft 11, friction it is quiet
Friction stationary plate 27 that piece 27, friction movable plate 28(are alternately laminated as seen from Figure 2, friction movable plate 28), Gear Planet Transmission and output
Planet carrier 25(includes output shaft), the input shaft 10 is connect by spline with jackshaft 11, and input shaft 10 is rolled by circular cone
Sub- bearing 7 carries out axially position, and input shaft 10 is mounted in 5 centre bore of end cap；The end cap 5 passes through screw and shunting disk 2
It is fixed；The shunting disk 2 is fixedly connected by screw with end cap 5, and the shunting disk 2 and end cap 5 are equipped with axial control oil duct
With axial lubrication road；(the insertion work of reset spring 12 is connect with piston 4 by 12 pretightning force of reset spring on the shunting disk 2
In plug 4), annular cylinder is formed between the two；The friction stationary plate 27 is described to rub by being cooperatively connected outside internal tooth and shunting disk 2
It wipes movable plate 28 to be cooperatively connected by external tooth and shaft coupling circle 16, rubs and form oil film between stationary plate 27 and friction movable plate 28, pass through oil
Film shearing and static friction transmit torque；The shaft coupling circle 16 is circumferential to be rotated with friction movable plate 28, axially through support plate 15 with
Support plate 14 connects；The support plate 14 is connect by screw with shunting disk 2；Ring gear 17 and connection in the Gear Planet Transmission
Axis device circle 16 is fixedly connected by screw, and the ring gear 17 is circumferential to float, and is cooperatively connected by internal tooth and 22 external tooth of planetary gear；
The planetary gear 22 is mounted on planet carrier 25 by planet wheel spindle 20, and 20 external tooth of planetary gear and the cooperation of 11 external tooth of jackshaft connect
It connects, forms Gear Planet Transmission；25 right end of planet carrier is connect by the first cylinder roller bearing 23 with cabinet 1, and right end passes through the
Two cylinder roller bearings 13 are connect with shunting disk 2, and planet carrier 25 passes through output shaft output torque.
Control oil enters ring-like oil cylinder by the control oil duct of end cap 5 and shunting disk 2, keeps pressure that piston 4 is pushed to carry out
It is mobile；Lubricating oil is entered in 2 oil-way of shunting disk by 5 oilhole of end cap, then passes through 2 oilhole of shunting disk to friction
At secondary tooth root, lubricating oil forms power oil film between friction stationary plate 27 and friction movable plate 28, along the oil groove of friction movable plate 28
It returns in cabinet 1 with friction auxiliary air gap flowing, is recycled by oil outlet 29 through radiator；The control oil duct of shunting disk 2 into
Hydraulic fluid port is sealed by two radial O-rings, and ring-like oil cylinder prevents control oil and profit by two plunger O-ring dynamic sealings
Lubricating oil mixes.
Since friction stationary plate 27 does not rotate always, in order to analyze the secondary temperature change in multiple working condition lower surfaces of friction
Situation, so the thermo parameters method of friction pair is circumferentially measured with the radial multiple temperature sensors of arrangement in friction stationary plate 27, it is warm
Sensor arrangement form schematic diagram is spent as shown in figure 3, the secondary outer diameter that rubsD 2=664mm, internal diameterD 1=512mm, signal acquisition point are radial
Position is respectively as follows: 518mm, 538mm, 558mm, 578mm, 598mm, 618mm, 638mm, 658mm, and totally 8；Circumferencial direction
A signal acquisition point is arranged symmetrically every 5 ° at diameter 598mm, totally 7.Another group is arranged symmetrically in 180 ° of directions simultaneously
Temperature sensor, when calculating, can seek the average value of temperature.
The working principle of the invention: in experimental rig work, motor connects input shaft rotation, transmits torque to centre
At axis and planetary gear, ring gear and planet carrier is made to generate torque.When control system is not pressurized, piston is in initial position, this
When friction is secondary there was only drag torque, friction movable plate is rotated together with ring gear；As control oil pressure increases, oil clearance subtracts
It is small, it generates shearing moment and acts on ring gear, drive planet carrier to generate larger output torque, and then used load, complete soft
Start-up function.
The connection of cabinet 1 is using welding fastening；Left bearing lid 6 is connected on end cap 5 by six screws；End cap 5 is logical
It crosses six screws to be connected on shunting disk 2, the shunting disk 2 is bolted on cabinet 1 by 20；Support plate 14 passes through
16 soket head cap screws are connect with shunting disk 2；Right bearing lid 26 is connected on the outside of the centre bore of right side plate by six screws；
Ring gear 17 is axial to be connect with shaft coupling circle 16 by 16 screws.
Present invention is not limited to the embodiments described above, without departing from the essence of the present invention, this field skill
Art personnel's any obvious improvements, substitutions or variations that can be made all belongs to the scope of protection of the present invention.
Claims (7)
1. a kind of large torque liquid viscous couplings experimental rig, which is characterized in that including cabinet (1), input shafting, clutch group
Part, Gear Planet Transmission component and output par, c:
The cabinet (1) removes left plate, and right side plate center is provided with hole；The input shafting includes input shaft (10) and centre
Axis (11), and it is provided with the end cap (5) and left bearing lid (6) of centre bore；
It is mounted in the middle part of the input shaft (10) in end cap (5) centre bore, there are two the middle part installations of the input shaft (10)
Tapered roller bearing (7), respectively the first tapered roller bearing and the second tapered roller bearing；First tapered roller bearing
Inner ring by circlip (9) position, outer ring by left bearing lid (6) positioning, the inner ring of second tapered roller bearing
It is positioned by input shaft (10) shaft shoulder, outer ring is positioned by end cap (5), by fixed between described two tapered roller bearings (7)
It is located by connecting away from ring, left bearing lid (6) is connected on end cap (5) outside；
The clutch pack includes shunting disk (2), piston (4), reset spring (12), support plate (14), support plate (15), connection
Axis device circle (16), friction movable plate (28) and friction stationary plate (27)；
The end cap (5) is connected on shunting disk (2), and the shunting disk (2) is connected on the left of cabinet (1), rubs stationary plate (27)
It is alternately placed with friction movable plate (28), and it is friction stationary plate (27) that it is outermost, which to be located at left and right,；Piston (4) left end and point
By reset spring (12) command range between flow table (2), piston (4) right end is in contact with the friction stationary plate (27) of the leftmost side,
Rub stationary plate (27) internal tooth and the mating connection of shunting disk (2) external tooth, and friction movable plate (28) external tooth is matched with shaft coupling circle (16) internal tooth
Connection is closed, friction stationary plate (27) right end of the rightmost side is in contact with support plate (14), and the support plate (14) and shunting disk (2) are even
It connecing, support plate (15) is connected by screw in support plate (14) right end, and shaft coupling circle (16) is positioned axially through support plate (15),
It is circumferential to be rotated together with friction movable plate (28)；
The Gear Planet Transmission component includes planet carrier (25), planetary gear (22), planet wheel spindle (20), ring gear (17) and right axle
Hold lid (26)；
It is equipped with the first cylinder roller bearing (23) in the middle part of the planet carrier (25), the first cylinder roller bearing (23) right end
It is positioned by right bearing lid (26), left end is positioned by planet carrier (25) shaft shoulder, and the right bearing lid (26) is connected to cabinet (1)
On the outside of right side plate centre bore；Planet carrier (25) left end is equipped with the second cylinder roller bearing (13), the second cylinder rolling
Sub- bearing (13) right end is positioned by planet carrier (25) shaft shoulder, and left end is positioned by shunting disk (2), around the planet carrier (25)
Three planet wheel spindles (20) are uniformly installed, the planet wheel spindle (20) is connected on planet carrier (25) by positioning pin (18), institute
It states planetary gear (22) to be mounted on planet carrier (25) by planet wheel spindle (20), there are two third circles for installation in the middle part of planetary gear (22)
Column roller bearing (21) is located by connecting between described two third cylinder roller bearings (21) by distance collar, and both ends are leaned on respectively
The positioning of planet carrier (25) shaft shoulder, ring gear (17) internal tooth is circumferential to be cooperatively connected with planetary gear (22) tooth, ring gear (17) axis
It is connect to shaft coupling circle (16)；
Jackshaft (11) left end is cooperatively connected by spline and input shaft (10) internal tooth, right end external tooth and three planetary gears
(22) external tooth is cooperatively connected, axial to be located by connecting respectively with input shaft (10) and planet carrier (25).
2. a kind of large torque liquid viscous couplings experimental rig according to claim 1, which is characterized in that the end cap (5)
It is sealed with the input shaft (10) by the first outside framework oil seal (8), the right bearing lid (26) passes through with the planet carrier (25)
Second outside framework oil seal (24) sealing.
3. a kind of large torque liquid viscous couplings experimental rig according to claim 1 or 2, which is characterized in that the end cap
(5) it is sealed with shunting disk (2) by an axial O-ring and two radial O-rings, the piston (4) passes through with shunting disk (2)
Two axial O-ring sealings.
4. a kind of large torque liquid viscous couplings experimental rig according to claim 1 or 2, which is characterized in that the end cap
(5) and on shunting disk (2) the axial control port for conveying control oil to piston (4) is distributed with and is used for friction stationary plate
(27) and the axial lubrication mouth of friction movable plate (28) conveying lubricating oil, the entrance setting of axial lubrication are rubbing stationary plate (27)
At internal tooth tooth root, outlet is in friction movable plate (28) external tooth tooth root.
5. a kind of large torque liquid viscous couplings experimental rig according to claim 1 or 2, which is characterized in that the friction
Movable plate (28) surface is carbon fiber paper base frication material and oil groove is bicircular arcs oil groove.
6. a kind of large torque liquid viscous couplings experimental rig according to claim 1 or 2, which is characterized in that the piston
(4) it is equipped at displacement sensor (3), temperature sensor is installed in friction stationary plate (27).
7. a kind of large torque liquid viscous couplings experimental rig according to claim 1 or 2, which is characterized in that friction stationary plate
(27) and in the friction pair of friction movable plate (28) composition external tooth radius is respectively 256mm and 332mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710613373.XA CN107202695B (en) | 2017-07-25 | 2017-07-25 | A kind of large torque liquid viscous couplings experimental rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710613373.XA CN107202695B (en) | 2017-07-25 | 2017-07-25 | A kind of large torque liquid viscous couplings experimental rig |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107202695A CN107202695A (en) | 2017-09-26 |
| CN107202695B true CN107202695B (en) | 2019-02-05 |
Family
ID=59912183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710613373.XA Active CN107202695B (en) | 2017-07-25 | 2017-07-25 | A kind of large torque liquid viscous couplings experimental rig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107202695B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107727287B (en) * | 2017-08-22 | 2019-09-20 | 北京理工大学 | A kind of adjustable wet clutch towing torque-measuring apparatus of friction auxiliary air gap |
| CN108953293A (en) * | 2018-09-27 | 2018-12-07 | 杭州前进齿轮箱集团股份有限公司 | A kind of measuring mechanism and measurement method of hydraulic clutch piston displacement |
| CN110259849A (en) * | 2019-06-20 | 2019-09-20 | 泰州三羊重型机械有限公司 | A kind of hydro-viscous speed governing clutch of coaxial ipsilateral output |
| CN110989705A (en) * | 2019-12-18 | 2020-04-10 | 青岛工和自动化设备有限公司 | Constant torque force controller |
| CN111207922B (en) * | 2020-01-14 | 2021-08-27 | 中国北方车辆研究所 | High-power high-rotation-speed planetary speed change mechanism test device |
| CN111665042B (en) * | 2020-06-16 | 2021-11-16 | 中国北方车辆研究所 | Centrifugal oil-throwing valve test device |
| CN112393815B (en) * | 2020-12-09 | 2023-06-09 | 太原理工大学 | Large-diameter hydraulic clutch friction surface transient temperature field testing method |
| CN114252264B (en) * | 2022-01-06 | 2022-08-12 | 北京航空航天大学 | Planetary row needle roller bearing test device and method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4250983A (en) * | 1979-07-11 | 1981-02-17 | Handke Kenneth E | Clutch apparatus and control |
| CN101398007A (en) * | 2008-11-07 | 2009-04-01 | 华北电力大学 | Energy-saving speed regulation method and device for high power fluid machinery |
| CN105021397A (en) * | 2015-07-15 | 2015-11-04 | 江苏大学 | Hydro-viscous variable speed clutch test device with dual-working condition testing function |
| CN106353091A (en) * | 2016-08-31 | 2017-01-25 | 江苏大学 | Hydro-viscous drive test device with friction plate number and oil film thickness controllable |
-
2017
- 2017-07-25 CN CN201710613373.XA patent/CN107202695B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4250983A (en) * | 1979-07-11 | 1981-02-17 | Handke Kenneth E | Clutch apparatus and control |
| CN101398007A (en) * | 2008-11-07 | 2009-04-01 | 华北电力大学 | Energy-saving speed regulation method and device for high power fluid machinery |
| CN105021397A (en) * | 2015-07-15 | 2015-11-04 | 江苏大学 | Hydro-viscous variable speed clutch test device with dual-working condition testing function |
| CN106353091A (en) * | 2016-08-31 | 2017-01-25 | 江苏大学 | Hydro-viscous drive test device with friction plate number and oil film thickness controllable |
Non-Patent Citations (1)
| Title |
|---|
| 液黏离合器油槽结构参数对油膜剪切转矩的影响分析;邓元元 等;《液压与气动》;20170430(第4期);第71-75页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107202695A (en) | 2017-09-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107202695B (en) | A kind of large torque liquid viscous couplings experimental rig | |
| CN106594107B (en) | A kind of hydro-viscous speed governing clutch of bidirectional modulation | |
| CN206208724U (en) | A kind of wet type inertia friction performance aircraft | |
| CN206544339U (en) | A kind of lubrication leakage-proof structure of flywheel support | |
| CN201144989Y (en) | High-efficiency brake based on magnetic fluid deformation technique | |
| CN202867607U (en) | Ball spline type ball cage constant speed universal coupling | |
| CN103697084B (en) | The special vehicle fan fluid viscidity timing clutch that stabilization of speed is adjustable | |
| CN100470079C (en) | Controllable gummy liquid brake for belt conveyer | |
| CN202301885U (en) | Idle gear assembly | |
| CN201246456Y (en) | Belt conveyor liquid viscosity stepless speed governor | |
| CN208619552U (en) | A kind of novel magnetic rheological clutch with annular gap | |
| CN105889438A (en) | Reducer | |
| CN107642542B (en) | High-speed thrust sliding bearing | |
| CN103089927B (en) | Bearing grease lubrication nuclear power station coolant pump quasi-planetary speed reduction box | |
| CN202522412U (en) | High-speed bearing testing machine | |
| CN205423619U (en) | Water -cooled multi -disc friction brake | |
| CN108871743A (en) | A kind of wet clutch visual testing device | |
| CN213298567U (en) | Lower driving type main shaft complex for centrifugal supergravity device | |
| CN111828437B (en) | Clutch centrifugal oil pressure testing device capable of adjusting axial space | |
| CN111207922B (en) | High-power high-rotation-speed planetary speed change mechanism test device | |
| CN107956850A (en) | A kind of adjustable antioverloading gear reducer | |
| CN101956774A (en) | Manually-controllable liquid viscous brake | |
| CN209539845U (en) | A kind of driving device for drying drum | |
| CN106870232A (en) | Engine high pressure common rail pump drive mechanism | |
| CN208896874U (en) | A kind of total power dynamic clutching power takeoff |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |