CN202125530U - Frictional transmission mechanism of reduction gear - Google Patents
Frictional transmission mechanism of reduction gear Download PDFInfo
- Publication number
- CN202125530U CN202125530U CN2011201114459U CN201120111445U CN202125530U CN 202125530 U CN202125530 U CN 202125530U CN 2011201114459 U CN2011201114459 U CN 2011201114459U CN 201120111445 U CN201120111445 U CN 201120111445U CN 202125530 U CN202125530 U CN 202125530U
- Authority
- CN
- China
- Prior art keywords
- speed reducer
- gland
- friction plate
- output shaft
- driving mechanism
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- General Details Of Gearings (AREA)
Abstract
The utility model relates to a frictional transmission mechanism of a reduction gear, which is assembled with a frictional transmission device on the power input shaft or the power output shaft of the reduction gear so as to solve the problem of difficult starting in the existing reduction gear. The frictional transmission device is characterized in that: a plurality of parallel internal-tooth friction plates are sleeved on the periphery of the input shaft or the output shaft of the reduction gear through external spline grooves in a manner of axial slip; a plurality of parallel external-tooth friction plates are assembled between or on the two sides of the internal-tooth friction plates; the external-tooth friction plates are sleeved on the internal spline grooves of a jacket which is used for connecting the power or the load in a manner of axial slip; and the internal-tooth friction plates or the external-tooth friction plates are equipped with axially elastic extruding devices. The frictional transmission mechanism of the reduction gear is low in starting resistance and capable of reducing starting current or avoiding use of a starter, and also can prevent or reduce damage of equipment, prolong the service life of the equipment, and save energy.
Description
Technical field
The utility model relates to a kind of speed reducer, particularly relates to a kind of speed reducer friction type driving mechanism.
Background technique
Be fitted with speed reducer on the main equipment, electric motor drive or dynamic power machine transmission are arranged, small-sized equipment is that motor directly starts; Main equipment is that starter is pneumatic; Take a lot of trouble, require great effort, waste seriously, equipment starts suddenly, also easy damage equipment; Be not that reducer gear damages be exactly that the foot-screw of speed reducer damages, or directly the footing piece of speed reducer fractureed.
Summary of the invention
The utility model purpose is to overcome the above-mentioned defective of existing technology, provide a kind of easy startup and energy saving and life-saving speed reducer () the friction type driving mechanism.
For realizing above-mentioned purpose, the energy-conservation easy actuated type speed reducer of the utility model is to be equipped with friction type (friction buffer formula or frictional limited load upper limit formula) transmission device on the speed reducer power input shaft or on the pto.Oneself study for a long period of time through me and to develop speed reducer friction type driving mechanism, if the friction type driving mechanism is being installed on the power input shaft of speed reducer or on the power input shaft, the friction type driving mechanism can the buffer starting resistance; Through regulating friction factor the resistance of start is limited in the zone of reasonableness; Guarantee the inrush current nonoverload, so the resistance of start is little, starts easily; Can reduce inrush current or not use starter; Damage equipment or few damage equipment do not prolong service life of equipment, energy saving.
As optimization; Input that said friction type transmission device is a speed reducer or output shaft periphery through the external splines fluted shaft to sliding supporting a plurality of internal toothed friction plates arranged side by side that are equipped with; Between the internal toothed friction plate or both sides are fitted with (a plurality of arranged side by side) external tooth friction plate, the axially sliding supporting inner spline groove that is contained in the overcoat that is used to connect power or load of external tooth friction plate; Said (outside) internal toothed friction plate or external tooth friction plate are furnished with the axial elasticity squeezing unit.Because external tooth friction plate and internal toothed friction plate are planar frictions, friction factor is to be regulated by the nut 5 of adjustment stage clip pressure, thereby plays the soft start effect, comes protection equipment to be without prejudice, all life-spans of prolongation equipment.
As optimization, said overcoat periphery is equipped with or is shaped on belt pulley, gear, synchronous pulley, sprocket wheel or other mechanical transmission component that is used to connect power or load.
As optimization, said overcoat is fitted on input or the output shaft through bearing or the earlier equipped bearing gland of fastening piece is passed through at said overcoat two ends, and bearing gland is fitted on input or the output shaft through bearing again.
As optimization; Said axial elasticity squeezing unit is the interior gland that outwards props up internal toothed friction plate or external tooth friction plate at the inner suit of input or output shaft, the equipped outer gland of spline shape that inwardly props up internal toothed friction plate or external tooth friction plate of the outer end spline of input or output shaft and periphery; Perhaps the outer end periphery of input or output shaft is equipped with and inwardly props up internal toothed friction plate or the outer gland of external tooth friction plate; Gland in said (direct or indirect) is furnished with outside stage clip or outer gland (indirectly perhaps directly) is furnished with inside stage clip.
As optimization, the equipped again nut of regulating stage clip pressure behind the equipped stage clip in the outer gland exterior edge face of spline shape; Perhaps outer gland exterior edge face is equipped with the nut of regulating stage clip pressure after being equipped with stage clip through the bearing that supports overcoat again; The outer gland of said spline shape is that a circumferential side is shaped on and the axial compression leg of importing or the output shaft spline matches in the annular disk; Gland is interior all base portions are shaped on a platform level formula annular disk from boss a to side with outer gland in said.
As optimization, said compression spring sleeve is contained in input or output shaft periphery, and said nut is fitted in the outer end of input or output shaft; Also be fitted with compressing tablet between outer gland exterior edge face of said stage clip and spline shape or the bearing exterior edge face.
As optimization, said nut is to decide nut with the fixing pin of lock pin; Also be fitted with plain cushion between said stage clip and the nut.
Working principle: speed reducer friction type driving mechanism is installed on the power input shaft of speed reducer; Motor through belt or gear or synchronously band or chain etc. with power transmission to speed reducer friction type driving mechanism shell, during electric motor starting, motor through belt or gear or sprocket wheel or synchronously band give overcoat with power transmission; Overcoat is given the external tooth friction plate with power transmission again; The external tooth friction plate is given internal toothed friction plate with power transmission again, and internal toothed friction plate is given splined shaft with power transmission again, because external tooth friction plate and internal toothed friction plate are planar frictions; Friction factor is regulated by nut; Thereby play the soft start effect, and come protection equipment to be without prejudice, prolong service life of equipment.
After adopting technique scheme; The external tooth friction plate and the internal toothed friction plate of the utility model speed reducer friction type driving mechanism are planar frictions, and friction factor is to be regulated by the nut of adjustment stage clip pressure, thereby plays the soft start effect; Come protection equipment to be without prejudice, all life-spans of prolongation equipment.It is little to have the resistance of start, can reduce inrush current or not use starter, and damage equipment or few damage equipment do not prolong service life of equipment, the advantage of energy saving.
Description of drawings
Fig. 1 is the structural representation of first kind of mode of execution of the utility model speed reducer friction type driving mechanism;
Fig. 2 is the structural representation of second kind of mode of execution of the utility model speed reducer friction type driving mechanism;
Fig. 3 is the structural representation of the third mode of execution of the utility model speed reducer friction type driving mechanism;
Fig. 4 is the structural representation of the internal toothed friction plate of the utility model speed reducer friction type driving mechanism;
Fig. 5 is the structural representation of the external tooth friction plate of the utility model speed reducer friction type driving mechanism;
Fig. 6 is the structural representation of the lower bearing gland of the utility model speed reducer friction type driving mechanism;
Fig. 7 is the structural representation of the upper bearing (metal) gland of the utility model speed reducer friction type driving mechanism;
Fig. 8 is the structural representation of facing of the outer gland of the spline shape of the utility model speed reducer friction type driving mechanism;
Fig. 9 is the plan structure schematic representation of the outer gland of spline shape of the utility model speed reducer friction type driving mechanism;
Figure 10 is that the spline shape external pressure cover of the utility model speed reducer friction type driving mechanism is sleeved on the plan structure schematic representation on the splined shaft;
Figure 11 is the structural representation of the sprocket-shaped overcoat of the utility model speed reducer friction type driving mechanism;
Figure 12 is the sectional structure schematic representation of the gear shape overcoat of the utility model speed reducer friction type driving mechanism;
Figure 13 is the structural representation of the splined shaft of the utility model speed reducer friction type driving mechanism;
Figure 14 is that the A-A of Figure 13 is to view.
Embodiment
Embodiment one, and is as shown in Figure 1, and the utility model speed reducer friction type driving mechanism is (perhaps on the pto) equipped friction type transmission device on speed reducer power input shaft (splined shaft) 1.The input shaft 1 that said friction type transmission device is a speed reducer (perhaps output shaft) periphery through the external splines fluted shaft to sliding supporting a plurality of internal toothed friction plates arranged side by side 10 that are equipped with; Be fitted with a plurality of external tooth friction plates 9 arranged side by side between the internal toothed friction plate 10, the axially sliding supporting inner spline groove that is contained in the overcoat 2 that is used to connect power or load of external tooth friction plate 9; Said internal toothed friction plate 9 is furnished with the axial elasticity squeezing unit.Said axial elasticity squeezing unit is the interior gland 8 that outwards props up internal toothed friction plate 10 at the inner suit of input shaft 1 (perhaps output shaft); The equipped outer gland 7 of spline shape that inwardly props up internal toothed friction plate 10 in the outer end spline of input shaft 1 (perhaps output shaft); After outer gland 7 exterior edge faces of spline shape are equipped with stage clips 3 through compressing tablet 11, are equipped with the fixing pin of lock pin through plain cushion 4 again and decide nut 5.Said overcoat 2 is shaped on the sprocket wheel that is used to connect power or load.Said overcoat 2 is fitted on the input shaft 1 (perhaps output shaft) through bearing 6.The outer gland 7 of said spline shape is axial compression legs that a circumferential side is shaped on and imports or the output shaft spline matches in the annular disk, and axially the length of outer compression leg is greater than bearing width, and axial outer compression leg thickness is less than the degree of depth of spline.Gland is interior all base portions are shaped on a platform level formula annular disk from boss a to side in said.
More specifically be: bearing 6, overcoat 2, the outer gland 7 of spline shape, interior gland 8; External tooth friction plate 9, internal toothed friction plate 10, compressing tablet 11, stage clip 3 (spring); Plain cushion 4 is sleeved on the spline shape power input shaft 1 (or pto) of speed reducer, has nut 5 to regulate and presses (bullet) spring pressure.Interior gland 8 is sleeved on the splined shaft 1; The joint of going up of the outer gland 7 of spline shape is installed in the spline of splined shaft 1 with bearing 6 internal diameter connecting parts; But: its external diameter is less than bearing 6 internal diameters, according to general Machine Design requirement, the external diameter of bearing 6 must with overcoat 2 drive fits; The internal diameter of bearing 6 must with the external diameter drive fit of splined shaft 1, just meet the Machine Design requirement, the outer gland 7 of spline shape is sleeved in the spline on the splined shaft 1; And its internal diameter and splined shaft 1 sliding fit, its external diameter and bearing 6 internal diameter sliding fits, the outer gland 7 of spline shape can slide up and down; Adjust the pressure of the outer 7 pairs of friction plates of gland of spline shape with fixed (adjustment) nut 5 of pin; The big more frictional force of pressure is big more, otherwise then more little, plays buffer function when starting.
During electric motor starting, motor is given overcoat 2 (when axle is input shaft) through chain and sprocket wheel with power transmission, and overcoat 2 is given external tooth friction plate 9 with power transmission again; External tooth friction plate 9 is given internal toothed friction plate 10 with power transmission again, and internal toothed friction plate 10 is given splined shaft 1 with power transmission again, because external tooth friction plate 9 is planar frictions with internal toothed friction plate 10; Friction factor is decided nut 5 by pin and is regulated; Thereby play the soft start effect, come protection equipment to be without prejudice, all life-spans of prolongation equipment.
Embodiment two, and is as shown in Figure 2, and the utility model speed reducer friction type driving mechanism is (perhaps on the pto) equipped friction type transmission device on speed reducer power input shaft (splined shaft) 1.The input shaft 1 that said friction type transmission device is a speed reducer (perhaps output shaft) periphery through the external splines fluted shaft to sliding supporting a plurality of internal toothed friction plates arranged side by side 10 that are equipped with; Be fitted with a plurality of external tooth friction plates 9 arranged side by side between the internal toothed friction plate 10, the axially sliding supporting inner spline groove that is contained in the overcoat 2 that is used to connect power or load of external tooth friction plate 9; Said internal toothed friction plate 9 is furnished with the axial elasticity squeezing unit.Said axial elasticity squeezing unit is the interior gland 8 that outwards props up internal toothed friction plate 10 at the inner suit of input shaft 1 (perhaps output shaft); The equipped outer gland 7 that inwardly props up internal toothed friction plate 10 in the outer end spline of input shaft 1 (perhaps output shaft); Nut 5 is decided through the plain cushion 4 equipped pins of fixing with lock pin after being equipped with stage clips 3 through bearing and compressing tablet 11 again in outer gland 7 exterior edge faces.Said overcoat 2 is shaped on the sprocket wheel that is used to connect power or load.Said overcoat 2 is fitted on the input shaft 1 (perhaps output shaft) through firm 13 fixing bearing gland 12, bearing 6 of standard. Gland is interior all base portions are shaped on a platform level formula annular disk from boss a to side with outer gland in said.
More specifically be: bearing 6, overcoat 2, metal (upper gland 12, gland 8 up and down; External tooth friction plate 9, internal toothed friction plate 10, compressing tablet 11 is pressed (bullet) spring 3; Plain cushion 4 is sleeved on the spline shape power input shaft or pto 1 of speed reducer, and nut 5 Regulation spring pressure are arranged.Spring is pressed on the compressing tablet 11, and compressing tablet 11 is being pressed bearing bore diameter, and bearing and bearing box and splined shaft are sliding fits, can move up and down, and adjusts the pressure of spring to friction plate with adjustment nut 5.
During electric motor starting, motor passes through belt or gear or sprocket wheel or is with synchronously and gives overcoat 2 with power transmission, and overcoat 2 is given external tooth friction plate 9 with power transmission again; External tooth friction plate 9 is given internal toothed friction plate 10 with power transmission again, and internal toothed friction plate 10 is given splined shaft 1 with power transmission again; Because external tooth friction plate 9 is planar frictions with internal toothed friction plate 10, friction factor is regulated by nut 5, thereby plays the soft start effect; Come protection equipment to be without prejudice, all life-spans of prolongation equipment.
As shown in Figure 3, embodiment three with embodiment one difference is: overcoat 2 is shaped on the gear that is used to be connected power or load.
Annotate: gland also can be described as down gland in said, and said outer gland also can be described as gland.Said metal (upper gland also can be described as outer inner bearing gland.Said stage clip also can be described as spring.
Claims (8)
1. a speed reducer friction type driving mechanism is characterized in that it being to be equipped with the friction type transmission device on the speed reducer power input shaft or on the pto.
2. according to the said speed reducer friction type of claim 1 driving mechanism; It is characterized in that input that said friction type transmission device is a speed reducer or output shaft periphery through the external splines fluted shaft to sliding supporting a plurality of internal toothed friction plates arranged side by side that are equipped with; Between the internal toothed friction plate or both sides are fitted with a plurality of external tooth friction plates arranged side by side, the axially sliding supporting inner spline groove that is contained in the overcoat that is used to connect power or load of external tooth friction plate; Said internal toothed friction plate or external tooth friction plate are furnished with the axial elasticity squeezing unit.
3. according to the said speed reducer friction type of claim 2 driving mechanism, it is characterized in that said overcoat periphery is equipped with or is shaped on belt pulley or gear or synchronous pulley or the sprocket wheel that is used to connect power or load.
4. according to the said speed reducer friction type of claim 2 driving mechanism; It is characterized in that said overcoat is fitted on input or the output shaft through bearing or the earlier equipped bearing gland of fastening piece is passed through at said overcoat two ends, bearing gland is fitted on input or the output shaft through bearing again.
5. according to claim 2 or 3 or 4 said speed reducer friction type driving mechanisms; It is characterized in that said axial elasticity squeezing unit is the interior gland that outwards props up internal toothed friction plate or external tooth friction plate at the inner suit of input or output shaft, the equipped outer gland of spline shape that inwardly props up internal toothed friction plate or external tooth friction plate of the outer end spline of input or output shaft and periphery; Perhaps the outer end periphery of input or output shaft is equipped with the outer gland that inwardly props up internal toothed friction plate or external tooth friction plate; Said interior gland is furnished with outside stage clip or outer gland is furnished with inside stage clip.
6. according to the said speed reducer friction type of claim 5 driving mechanism, it is characterized in that being equipped with the nut of regulating stage clip pressure again behind the equipped stage clip in the outer gland exterior edge face of spline shape; Perhaps outer gland exterior edge face is equipped with the nut of regulating stage clip pressure after being equipped with stage clip through the bearing that supports overcoat again; The outer gland of said spline shape is that a circumferential side is shaped on and the axial compression leg of importing or the output shaft spline matches in the annular disk; Gland is interior all base portions are shaped on a platform level formula annular disk from boss a to side with outer gland in said.
7. according to the said speed reducer friction type of claim 6 driving mechanism, it is characterized in that said compression spring sleeve is contained in input or output shaft periphery, said nut is fitted in the outer end of input or output shaft; Also be fitted with compressing tablet between outer gland exterior edge face of said stage clip and spline shape or the bearing exterior edge face.
8. according to the said speed reducer friction type of claim 7 driving mechanism, it is characterized in that said nut is for deciding nut with the fixing pin of lock pin; Also be fitted with plain cushion between said stage clip and the nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201114459U CN202125530U (en) | 2011-04-15 | 2011-04-15 | Frictional transmission mechanism of reduction gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201114459U CN202125530U (en) | 2011-04-15 | 2011-04-15 | Frictional transmission mechanism of reduction gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202125530U true CN202125530U (en) | 2012-01-25 |
Family
ID=45488598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201114459U Expired - Fee Related CN202125530U (en) | 2011-04-15 | 2011-04-15 | Frictional transmission mechanism of reduction gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202125530U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102550434A (en) * | 2012-02-23 | 2012-07-11 | 曹建胜 | Sow obstetric table structure for preventing piggy from being pressed |
| CN109736280A (en) * | 2019-01-04 | 2019-05-10 | 武汉船用机械有限责任公司 | A kind of brake apparatus for self-elevating ocean platform jacking system |
-
2011
- 2011-04-15 CN CN2011201114459U patent/CN202125530U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102550434A (en) * | 2012-02-23 | 2012-07-11 | 曹建胜 | Sow obstetric table structure for preventing piggy from being pressed |
| CN109736280A (en) * | 2019-01-04 | 2019-05-10 | 武汉船用机械有限责任公司 | A kind of brake apparatus for self-elevating ocean platform jacking system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203770558U (en) | High-damping low-attenuation tensioner for engine | |
| CN202125530U (en) | Frictional transmission mechanism of reduction gear | |
| CN105179620A (en) | Double tension device used for driving belt and corresponding belt driving system | |
| CN205595946U (en) | Lead screw and high -efficient transmission of motor | |
| CN205278160U (en) | Liquid buffering isolator | |
| IN2014DN03099A (en) | ||
| CN105782285A (en) | Safety clutch device | |
| CN201986404U (en) | Tension clutch used on reaping machine | |
| CN203638911U (en) | Construction hoist main machine with spring shock-absorption device | |
| CN203730605U (en) | Fixed plane tooth pneumatic clutch | |
| CN103968019A (en) | Large-damping low-attenuation tensioner for engine | |
| CN201133457Y (en) | Friction type soft actuating apparatus | |
| CN2911639Y (en) | Starter of engine experimental bench | |
| CN2779160Y (en) | Double side gear-reduction unit of reciprocating type water flood pump | |
| CN202579947U (en) | Special motor speed reducer for brake test table of automobile | |
| CN202527640U (en) | Power machine lifting cultch double screw press | |
| CN202402473U (en) | Device for connecting inner rings and outer rings of integrated abnormally-shaped intercrossed roller bearing for micro speed reducer | |
| CN204610780U (en) | The speed reducer that a kind of novel volume is little and transmission efficiency is high | |
| CN202251732U (en) | Planet wheel speed reducer provided with wear-resistant part | |
| CN103252908B (en) | Engine lifting clutch formula Double helix forcing press | |
| CN203395135U (en) | Torsional vibration damper structure for gear | |
| CN205745162U (en) | A kind of internal tooth supports drive mechanism | |
| CN202528483U (en) | Single-disc friction double-screw press | |
| TH95938B (en) | Tension adjuster | |
| CN203419478U (en) | Discharge traction device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120125 Termination date: 20120415 |