CN108843701A - Automatic transmission fork truck multiple-piece hydraulic clutch - Google Patents
Automatic transmission fork truck multiple-piece hydraulic clutch Download PDFInfo
- Publication number
- CN108843701A CN108843701A CN201811004048.4A CN201811004048A CN108843701A CN 108843701 A CN108843701 A CN 108843701A CN 201811004048 A CN201811004048 A CN 201811004048A CN 108843701 A CN108843701 A CN 108843701A
- Authority
- CN
- China
- Prior art keywords
- gear
- piston
- hydraulic
- hole
- piston assembly
- 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
- 230000005540 biological transmission Effects 0.000 title claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 31
- 239000010959 steel Substances 0.000 claims abstract description 31
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 238000009434 installation Methods 0.000 claims description 11
- 230000000903 blocking effect Effects 0.000 claims description 7
- 125000006850 spacer group Chemical group 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000000926 separation method Methods 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D25/00—Fluid-actuated clutches
- F16D25/06—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch
- F16D25/062—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces
- F16D25/063—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially
- F16D25/0635—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially with flat friction surfaces, e.g. discs
- F16D25/0638—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially with flat friction surfaces, e.g. discs with more than two discs, e.g. multiple lamellae
-
- 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
- F16D25/00—Fluid-actuated clutches
- F16D25/12—Details not specific to one of the before-mentioned types
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
The invention discloses a kind of automatic transmission fork truck multiple-piece hydraulic clutches,Including input axle assembly,Piston assembly,Steel disc,Friction plate,Forward gear and back gear,Input axle assembly includes shaft and lantern ring,Piston assembly,Steel disc,Friction plate,Forward gear and back gear are set on shaft,Return spring is additionally provided between back gear or forward gear and its adjacent piston assembly,So that piston assembly return is in place,Improve the efficiency of transmission,Venthole in piston assembly simultaneously is in the hydraulic power of letting out,It can keep unimpeded,When hydraulic starting,Steel ball blocks venthole,Piston only end face is set to keep sealing,So that hydraulic, to push piston assembly movable forward,Piston assembly can be such that steel disc and friction plate contacts,Drive advance or back gear rotation,Thereby realize the reliable technical effect of compact-sized and hydraulic drive.
Description
Technical field
The present invention relates to a kind of automatic transmission fork truck multiple-piece hydraulic clutches.
Background technique
The vehicle of fork truck handling goods, needs to bear biggish weight, the automatic clutch being conventionally used on fork truck
Structure includes input axle assembly, is respectively sleeved on back gear and forward gear in the two sides of input axle assembly, corresponding reverse gear or
Forward gear can be equipped with piston assembly, steel disc and friction plate, and the axis in input axle assembly is transported by hydraulic drive piston assembly
It is dynamic that steel disc and friction plate is made to contact the transmission realized to reverse gear or forward gear, return spring is additionally provided in input axle assembly,
Piston assembly since the installation of return spring is less reliable in the structure, causes to live by return spring return after the hydraulic power of letting out
Plug assembly return is not in place, influences the efficiency of transmission, while being equipped on Clutch input shaft assembly for piston movable piston cylinder,
The piston inside wall of cylinder is equipped with hydraulic hole, and piston is set on axis, and hydraulic force push piston is movable forward, and piston can squeeze steel disc
The rotation for realizing forward gear or back gear is contacted with friction plate, and when the hydraulic power of letting out in hydraulic hole, piston can be pressurized
Retraction, it is such to result in oil liquid reflux unsmooth since piston outer rim and the piston inside wall of cylinder are sealings, it influences automobile hydraulic and sets
Standby normal work.
Summary of the invention
To solve the above problems, the purpose of the present invention is to provide a kind of compact-sized and hydraulic drive is reliably automatic
Shelves fork truck multiple-piece hydraulic clutch.
To achieve the above object, the present invention provides following technical solutions：A kind of automatic transmission fork truck multiple-piece hydraulic clutch
Device, including input axle assembly, piston assembly, steel disc, friction plate, forward gear and back gear, the input axle assembly
Including shaft and lantern ring, the lantern ring is equipped with stripper loop, and the stripper loop is set on the shaft, the separation
Ring and the lantern ring inner wall form symmetrical first piston chamber and second piston chamber, the first piston chamber and described
Second piston it is intracavitary be respectively equipped with the piston assembly, the forward gear is socketed in the shaft by roller bearing
Left end, the back gear is socketed in the right end of the shaft by roller bearing, the shaft rod upper sleeve set piston assembly,
Steel disc and friction plate, the steel disc and the friction plate are multiple and are staggered that the steel disc outer rim is equipped with annular array
Locating convex block, on the outer wall that the lantern ring is located at stripper loop two sides respectively be evenly distributed with annular array locating slot, described determines
Position convex block is caught in the locating slot, the back gear or the forward gear piston assembly adjacent with its it
Between be additionally provided with return spring, back gear or forward gear include gear, and the side of the gear is equipped with cooperation
Gear, the other side are output gear, and the mate gear is arranged in the lantern ring mutually to be nibbled with the friction plate inner hole flank of tooth
It closing, the location mid-shaft of the mate gear is equipped with spring installation cavity, and the inner wall of the spring installation cavity is equipped with the flange of annular,
The inner wall of the spring installation cavity is equipped with annular groove close to the outer wall position of the flange, and the inner wall of the annular groove is arc
Shape, the end face outer rim that the inner wall of the annular groove extends to the flange form barb point, and the barb point is inserted into the return bullet
In the gap between screw of spring, the piston assembly includes the piston only of ring-shaped, and the piston only is equipped with venthole,
The piston only is equipped with the plugging hole communicated with the venthole towards the end face of the stripper loop, in the venthole
Interior to be equipped with accommodating cavity, the accommodating cavity is adjacent with the plugging hole to be communicated, and mobilizable steel ball is equipped in the accommodating cavity,
The plugging hole is embedded in matched blocking, and air hole is equipped in the blocking.
The aperture of the air hole is less than the outer diameter of the steel ball.
It is equipped with cricoid sealed groove on the annular outer wall of the piston only, configures sealing ring on the sealed groove.
It is equipped on the shaft and retreats the hydraulic hole of gear and the hydraulic hole of forward, the hydraulic Kong Yan of retrogressing gear
It extends to close to the side of the Spacing flanges, the hydraulic hole of the forward extends close to the another of the Spacing flanges
The entrance in side, the hydraulic hole of retrogressing gear and the hydraulic hole of forward is commonly mounted on one end of the shaft.
This structure of the invention can make return spring positioning reliable, so that piston assembly return is in place, improve transmission
Efficiency, while the venthole in piston assembly can be kept unimpeded in the hydraulic power of letting out, when hydraulic starting, steel ball blocks venthole,
So that piston only end face is kept sealing, pushes that piston assembly is movable forward, and piston assembly can make steel disc and friction so that hydraulic
Piece contact drives advance or back gear rotation, thereby realizes the reliable technology effect of compact-sized and hydraulic drive
Fruit.
Present invention will be further described below with reference to the accompanying drawings and specific embodiments.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the specific embodiment of the invention；
Fig. 2 is the structure chart of input axle assembly in the specific embodiment of the invention；
Fig. 3 is the enlarged drawing of A in Fig. 1
The structure chart of forward gear in Fig. 4 specific embodiment of the invention；
Fig. 5 is the enlarged drawing of B in Fig. 4；
Fig. 6 is the structure chart of steel disc in the specific embodiment of the invention；
Fig. 7 is the structure chart of friction plate in the specific embodiment of the invention.
Specific embodiment
The present invention is specifically described below by embodiment.
As shown in Fig. 1-Fig. 7, present embodiment discloses a kind of automatic transmission fork truck multiple-piece hydraulic clutches, including input
Axle assembly 1, piston assembly 2, steel disc 3, friction plate 4, forward gear 5 and back gear 6, input axle assembly 1 pass through bearing 10
It is connect with automobile transmission body, forward gear 5 is identical with 6 structure of back gear, and input axle assembly 1 includes shaft 11 and lantern ring
12, lantern ring 12 is equipped with stripper loop 121, and stripper loop 121 is set on shaft 11, and stripper loop 121 and 12 inner wall of lantern ring form a left side
Right symmetrical first piston chamber 13 and second piston chamber 14, are equipped on shaft 11 and retreat the hydraulic hole 15 of gear and forward liquid
Hole 16 is pressed, the side that the retrogressing hydraulic hole 15 of gear extends close to stripper loop 121 is communicated with first piston chamber 13, forward liquid
The other side that pressure hole 16 extends close to Spacing flanges 523 is communicated with second piston chamber 14, is retreated the hydraulic hole 15 of gear and is advanced
The entrance in the hydraulic hole 16 of gear is commonly mounted on one end of shaft 11, is respectively equipped in first piston chamber 13 and second piston chamber 14
Piston assembly 2, forward gear 5 are socketed in the left end of shaft 11 by roller bearing, and back gear 6 is socketed in by roller bearing
The right end of shaft 11, be successively arranged on the shaft 11 between first piston chamber 13 and forward gear 5 piston assembly 2, steel disc 3 and
Friction plate 4 is successively arranged piston assembly 2, steel disc 3 and friction on the shaft 11 between second piston chamber 14 and back gear 6
Piece 4, steel disc 3 and friction plate 4 are multiple and are staggered that 3 outer rim of steel disc is equipped with the locating convex block 31 of annular array, in lantern ring 12
It is evenly distributed with the locating slot 122 of annular array respectively on the outer wall of 121 two sides of stripper loop, locating convex block 31 is caught in locating slot 122
It is interior, return spring 7, back gear 6 or preceding are additionally provided between back gear 6 or forward gear 5 and its adjacent piston assembly 2
It include gear 51 into gear 5, the side of gear 51 is equipped with mate gear 52, and the other side is output gear 53, cooperation
The setting of gear 52 is meshed in lantern ring 12 with the 4 inner hole flank of tooth 41 of friction plate, and mate gear 52 is towards the end face of output gear 53
The upper tapered face 521 of setting, the location mid-shaft of mate gear 52 are equipped with spring installation cavity 522, the central axis hole on output gear 53
It is communicated with the spring installation cavity 522, the inner wall of spring installation cavity 522 is equipped with the flange 523 of annular, the inner hole of the flange 523
Corresponding with the central axis hole of output gear 53, the inner wall of spring installation cavity 522 is equipped with annular close to the outer wall position of flange 523
Slot 524, the inner wall of annular groove 524 are arc, and the end face outer rim that the inner wall of the annular groove 524 extends to flange 523 forms barb
Point 54, barb point 54 are inserted into the gap between screw of return spring 7, and piston assembly 2 includes the piston only 21 of ring-shaped, piston sheet
Body 21 is equipped with venthole 22, in piston only 21 towards being equipped with the blocking communicated with venthole 22 on the end face of stripper loop 121
Hole 23 is equipped with accommodating cavity 24 in venthole 22, which communicates with plugging hole 23, is equipped in accommodating cavity 24 movable
Steel ball 26, plugging hole 23 is embedded in matched blocking 25, passes through tapered surface 241 between accommodating cavity 24 and venthole 22
It is connected, air hole 251 is equipped in blocking 25, the aperture of air hole 241 is less than the outer diameter of steel ball 26.
It is equipped with cricoid sealed groove 211 on the annular outer wall of piston only 21, configures sealing on the sealed groove 211
Ring 27.
This structure of the invention can be such that return spring 7 positions reliably, so that 2 return of piston assembly is in place, improve transmission
Efficiency, while the venthole 22 in piston assembly 2 can be kept unimpeded in the hydraulic power of letting out, and when hydraulic starting, steel ball 26 is blocked
Venthole 22 makes 21 end face of piston only keep sealing, pushes that piston assembly 2 is movable forward, and piston assembly 2 can so that hydraulic
Steel disc 3 and friction plate 4 are contacted, advance or back gear rotation is driven, thereby realizes compact-sized and hydraulic biography
Move reliable technical effect.
Claims (4)
1. a kind of automatic transmission fork truck multiple-piece hydraulic clutch, including input axle assembly, piston assembly, steel disc, friction plate, advance
Gear and back gear, the input axle assembly include shaft and lantern ring, and the lantern ring is equipped with stripper loop, point
Spacer ring is set on the shaft, it is characterised in that：The stripper loop and the lantern ring inner wall form symmetrical
First piston chamber and second piston chamber, the first piston chamber and second piston is intracavitary is respectively equipped with the piston
Assembly, the forward gear are socketed in the left end of the shaft by roller bearing, and the back gear passes through roller bearing
It is socketed in the right end of the shaft, the shaft rod upper sleeve sets piston assembly, steel disc and friction plate, the steel disc and described rubs
Pad is multiple and is staggered that the steel disc outer rim is equipped with the locating convex block of annular array, is located at stripper loop in the lantern ring
The locating slot of annular array is evenly distributed on the outer wall of two sides respectively, the locating convex block is caught in the locating slot, described
Return spring, back gear or advance are additionally provided between back gear or the forward gear and its adjacent piston assembly
Gear includes gear, and the side of the gear is equipped with mate gear, and the other side is output gear, the cooperating teeth
Wheel is arranged in the lantern ring to be meshed with the friction plate inner hole flank of tooth, and the location mid-shaft of the mate gear is equipped with spring
Installation cavity, the inner wall of the spring installation cavity are equipped with the flange of annular, and the inner wall of the spring installation cavity is close to the flange
Outer wall position be equipped with annular groove, the inner wall of the annular groove is arc, and the inner wall of the annular groove extends to the flange
End face outer rim forms barb point, and the barb point is inserted into the gap between screw of the return spring, and the piston assembly includes ring
The piston only of shape, the piston only are equipped with venthole, in the piston only towards the end face of the stripper loop
It is equipped with the plugging hole communicated with the venthole, accommodating cavity is equipped in the venthole, which blocks up with described
Consent is adjacent to be communicated, and mobilizable steel ball is equipped in the accommodating cavity, the plugging hole is embedded in matched
Blocking is equipped with air hole in the blocking.
2. automatic transmission fork truck multiple-piece hydraulic clutch according to claim 1, it is characterised in that：The hole of the air hole
Diameter is less than the outer diameter of the steel ball.
3. automatic transmission fork truck multiple-piece hydraulic clutch according to claim 1, it is characterised in that：In the piston only
Annular outer wall be equipped with cricoid sealed groove, configure sealing ring on the sealed groove.
4. automatic transmission fork truck multiple-piece hydraulic clutch according to claim 1, it is characterised in that：It is set on the shaft
There are the hydraulic hole of retrogressing gear and the hydraulic hole of forward, the hydraulic hole of retrogressing gear to extend close to the Spacing flanges
Side, the hydraulic hole of the forward extend close to the other side of the Spacing flanges, retreat the hydraulic hole of gear and advance
The entrance in the hydraulic hole of gear is commonly mounted on one end of the shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811004048.4A CN108843701A (en) | 2018-08-30 | 2018-08-30 | Automatic transmission fork truck multiple-piece hydraulic clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811004048.4A CN108843701A (en) | 2018-08-30 | 2018-08-30 | Automatic transmission fork truck multiple-piece hydraulic clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108843701A true CN108843701A (en) | 2018-11-20 |
Family
ID=64188806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811004048.4A Pending CN108843701A (en) | 2018-08-30 | 2018-08-30 | Automatic transmission fork truck multiple-piece hydraulic clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108843701A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110725867A (en) * | 2019-10-15 | 2020-01-24 | 宁波上中下自动变速器有限公司 | Synchronizer, synchronizer speed regulation system and vehicle |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08143100A (en) * | 1994-11-17 | 1996-06-04 | Kooyoo:Kk | Beer barrel fitting mechanism |
| US20030168306A1 (en) * | 2002-03-07 | 2003-09-11 | Gorman Michael Joseph | Piston for hydraulically-operated clutch |
| JP2005265155A (en) * | 2004-03-22 | 2005-09-29 | Kayaba Ind Co Ltd | Suspension device for vehicle |
| CN101852254A (en) * | 2009-03-31 | 2010-10-06 | 加特可株式会社 | Multi-plate frictional element |
| CN204041772U (en) * | 2014-07-25 | 2014-12-24 | 洛阳雷斯达传动有限公司 | A kind of wet clutch |
| CN205841554U (en) * | 2016-07-06 | 2016-12-28 | 安徽合力股份有限公司 | A kind of fluid clutch with quick draining check valve |
| CN206159310U (en) * | 2016-09-22 | 2017-05-10 | 广西柳工机械股份有限公司 | Clutch |
| CN206361045U (en) * | 2016-12-13 | 2017-07-28 | 山推工程机械股份有限公司 | A kind of clutch is with sealing ring and gearbox clutch |
| CN209146174U (en) * | 2018-08-30 | 2019-07-23 | 瑞安市车辆配件厂 | Automatic transmission fork truck multiple-piece hydraulic clutch |
-
2018
- 2018-08-30 CN CN201811004048.4A patent/CN108843701A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08143100A (en) * | 1994-11-17 | 1996-06-04 | Kooyoo:Kk | Beer barrel fitting mechanism |
| US20030168306A1 (en) * | 2002-03-07 | 2003-09-11 | Gorman Michael Joseph | Piston for hydraulically-operated clutch |
| JP2005265155A (en) * | 2004-03-22 | 2005-09-29 | Kayaba Ind Co Ltd | Suspension device for vehicle |
| CN101852254A (en) * | 2009-03-31 | 2010-10-06 | 加特可株式会社 | Multi-plate frictional element |
| CN204041772U (en) * | 2014-07-25 | 2014-12-24 | 洛阳雷斯达传动有限公司 | A kind of wet clutch |
| CN205841554U (en) * | 2016-07-06 | 2016-12-28 | 安徽合力股份有限公司 | A kind of fluid clutch with quick draining check valve |
| CN206159310U (en) * | 2016-09-22 | 2017-05-10 | 广西柳工机械股份有限公司 | Clutch |
| CN206361045U (en) * | 2016-12-13 | 2017-07-28 | 山推工程机械股份有限公司 | A kind of clutch is with sealing ring and gearbox clutch |
| CN209146174U (en) * | 2018-08-30 | 2019-07-23 | 瑞安市车辆配件厂 | Automatic transmission fork truck multiple-piece hydraulic clutch |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110725867A (en) * | 2019-10-15 | 2020-01-24 | 宁波上中下自动变速器有限公司 | Synchronizer, synchronizer speed regulation system and vehicle |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |