CN206555375U - Workover rig winch Dual-speed-ratio gear reduction unit - Google Patents
Workover rig winch Dual-speed-ratio gear reduction unit Download PDFInfo
- Publication number
- CN206555375U CN206555375U CN201720029342.5U CN201720029342U CN206555375U CN 206555375 U CN206555375 U CN 206555375U CN 201720029342 U CN201720029342 U CN 201720029342U CN 206555375 U CN206555375 U CN 206555375U
- Authority
- CN
- China
- Prior art keywords
- gear
- jackshaft
- ring
- input shaft
- speed
- 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
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Abstract
The utility model is related to a kind of workover rig winch Dual-speed-ratio gear reduction unit, input shaft is from engaging two groups of speed than different gear pairs on speed governing axle, by internal tooth casing respectively by two gears on input shaft with being exported after governor gear connection by corresponding speed ratio, so as to realize the input and correspondence output of not synchronized ratio.Axle sleeve is socketed on jackshaft, axle sleeve dallies on jackshaft, axle sleeve be connected freewheel clutch when rubbing with middle between centers, the freewheel clutch come adjuster can surmount torque value by regulating friction force, motor is protected according to surmounting torque value and must set.When the setting value of the rainy clutch of output torque is, axle sleeve is with jackshaft with turn, and jackshaft engagement output shaft is exported；When output torque is more than the setting value of freewheel clutch, axle sleeve dallies on jackshaft, it is to avoid the damage of motor.
Description
Technical field
The utility model is related to a kind of reductor, and in particular to workover rig winch Dual-speed-ratio gear reduction unit.
Background technology
The application scenario of reductor is than wide.Dualratio reduction is needed to input in some occasions, it usually needs two inputs
Axle is realized.In the case where output torque is larger, motor generally has the danger that overload is burnt out, in this case more difficult prevention.
The content of the invention
The purpose of this utility model is that Dual-speed-ratio output can be improved and limited can prevent burn-down of electric motor by providing one kind
Workover rig winch Dual-speed-ratio gear reduction unit.
To achieve the above objectives, the technical scheme that the utility model is taken is：
A kind of workover rig winch Dual-speed-ratio gear reduction unit, including input shaft, output shaft, input shaft are set with output between centers
There is jackshaft more than one-level, adjacent between centers is cased with input gear and output gear by meshed transmission gear on the jackshaft,
Input gear and the direct geared on input shaft or indirect engaged transmission；Input gear is provided with axle sleeve, axle sleeve set with middle between centers
In jackshaft, axle sleeve is supported with middle between centers by bearing, and input gear is fixedly installed in axle sleeve；Be provided with jackshaft surmount from
Clutch, the inner ring of freewheel clutch, which is fixed, is placed on jackshaft, and the cycle surface of freewheel clutch is fixedly connected with axle sleeve；Output gear
Wheel be fixedly installed in jackshaft and with the direct geared on output shaft or indirect engaged transmission.
Further, the input shaft is provided with speed governing axle, input shaft with middle between centers and is coaxially installed with two gears, and two
Gear is coaxially installed with two gears, input shaft and speed governing axle through bearing pivot bush unit in correspondence on input shaft, speed governing axle
Gear mesh should engage and be installed with governor gear between the transmission to form two groups of gearratios, two gears of input shaft, input
One end of the gear of axle two towards governor gear is respectively equipped with the corresponding external tooth of a circle, governor gear and is cased with internal tooth casing, internal tooth casing
Engage and slide up and down with governor gear, internal tooth casing is engaged with the external tooth on the gear of input shaft two respectively when sliding；Speed governing axle
Travelling gear is installed between two gears, travelling gear is engaged with the input gear on jackshaft.
Further, the outer ring of the internal tooth casing is connected with switching mechanism, and the switching mechanism is included on internal tooth casing outer wall
Annular groove and rotating shaft, shaft support is in box body of speed reducer, and the external part of rotating shaft, which is provided with spanner, rotating shaft, is installed with two
Root wiper arm, the bottom expansion bearing that two wiper arms are distributed on the inside of the both sides of internal tooth casing, each wiper arm has rotary column, and rotary column is matched somebody with somebody with annular groove
Close.
Further, the freewheel clutch includes lower cover, ring gear, external toothing, more than one ring gear ring flat-plate, one
External toothing ring flat-plate and upper lid more than individual, the lower cover are fixedly connected with or are integrated part with end face of shaft bush, and external toothing fixes peace
External part loaded on jackshaft, ring gear ring flat-plate and external toothing ring flat-plate interval are placed on external toothing, and ring gear ring flat-plate is nibbled with external toothing
Close, external toothing ring flat-plate is engaged with ring gear, and uniform axle spring is supported by between the inner ring edge of adjacent two ring gears ring flat-plate；Under
Lid, ring gear and upper lid are fixedly connected as an entirety, provided with friction between upper lid and topmost one piece of ring flat-plate through screw
Piece, upper lid is provided with the uniform screw of a circle, screw axial extrusion friction piece.
Yet further, ring gear ring flat-plate and external toothing the ring flat-plate contact surface is rubbing surface.
Take after above technical scheme, the beneficial effects of the utility model are：
1. input shaft is from engaging two groups of speed than different gear pairs on speed governing axle, by internal tooth casing respectively by input shaft
Two gears are exported after being connected with governor gear by corresponding speed ratio, so as to realize the input and correspondence output of not synchronized ratio.
2. being socketed axle sleeve on jackshaft, axle sleeve dallies on jackshaft, and axle sleeve surmounts when being connected friction with middle between centers
Clutch, the freewheel clutch come adjuster can surmount torque value by regulating friction force, according to surmount torque value must set come
Protect motor.When the setting value of the rainy clutch of output torque is, axle sleeve is with jackshaft with turn, and jackshaft engagement output shaft is defeated
Go out；When output torque is more than the setting value of freewheel clutch, axle sleeve dallies on jackshaft, it is to avoid the damage of motor.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of switching mechanism；
Fig. 3 is the structural representation of freewheel clutch.
Embodiment
Embodiment of the present utility model is further described below in conjunction with accompanying drawing：
As illustrated, workover rig winch Dual-speed-ratio gear reduction unit, including be driven successively input shaft 1, speed governing axle 2,
Two input shaft gears 5 are coaxially installed with jackshaft 3 and output shaft 4, input shaft, 6, two input shaft gears 5,6 are through bearing activity
It is socketed on correspondence on input shaft 1, speed governing axle 2 and is installed with two speed governing shaft gears 7,8, input shaft gear 5,6 and speed governing axle tooth
The correspondence engagement of wheel 7,8 forms between the transmission of two groups of different drive ratios, two gears of input shaft 1 and is installed with governor gear 9,
In two input shaft gears 5,6 are respectively equipped with the corresponding external tooth 10 of a circle, governor gear 9 towards one end of governor gear 9 and are cased with
Tooth set 11, internal tooth casing 11 is engaged and slided up and down with governor gear 9, internal tooth casing 11 slip when respectively with two input shaft gears 5,6
On external tooth 10 engage, will two input shaft gear 5,6 it is different when be connected corotation with governor gear 9；Two speed governing axle teeth of speed governing axle 2
Travelling gear 12 is installed between wheel 7,8.
The outer ring of internal tooth casing 11 is connected with switching mechanism, and the switching mechanism includes the He of annular groove 27 on internal tooth casing outer wall
Rotating shaft 28, rotating shaft 28 is supported on box body of speed reducer, and the external part of rotating shaft 28, which is provided with spanner 29, rotating shaft 28, is installed with two
Root wiper arm 30, two wiper arms 30 are distributed in the both sides of internal tooth casing 11, and the bottom expansion bearing of each inner side of wiper arm 30 has rotary column 31, rotary column
31 coordinate with annular groove 27.When pulling spanner 29, spanner 29 drives rotating shaft 28 to rotate, and wiper arm 30 stirs internal tooth casing 11 through rotary column 31
Occur to move axially and engage with the external tooth 10 of input shaft gear 5 or the end of input shaft gear 6, and engage governor gear 9 simultaneously.
Input gear 13 and output gear 14 are cased with jackshaft 3, output gear 14 is fixedly installed in jackshaft 3, inputted
Axle sleeve 15 is provided between gear 13 and jackshaft 3, axle sleeve 15 is placed on jackshaft 3, by two groups of bearing branch between axle sleeve 15 and jackshaft 3
Hold, axle sleeve 15 can dally on jackshaft 3, input gear 13 is fixedly installed on axle sleeve 15, input gear 13 and speed governing axle 2
The engaged transmission of travelling gear 12；Freewheel clutch 16 is installed, the freewheel clutch includes lower cover on the external part of jackshaft 3
17th, ring gear 18, external toothing 19, three ring gear ring flat-plates 20, the external toothing ring flat-plates 21 and upper lid 22 of three, the lower cover 17 with
The upper surface of axle sleeve 15 is fixedly connected with or is integrated part manufacture, and external toothing 19 is fixedly installed in the external part of jackshaft 3, ring gear
Ring flat-plate 20 and the interval of external toothing ring flat-plate 21 are placed on external toothing 19, and the contact surface between ring gear ring flat-plate 20 and external toothing ring flat-plate 21 is
Rubbing surface ring gear ring flat-plate 20 is engaged with external toothing 19, and external toothing ring flat-plate 21 is engaged with ring gear 18, adjacent two ring gears ring flat-plate
Uniform axle spring 23 is supported by between 20 inner ring edge；Lower cover 17, ring gear 18 and upper lid 22 are fixedly connected through screw
As an entirety, friction plate 24 is provided between upper lid 22 and topmost one piece of ring flat-plate, upper lid 22 is provided with the uniform spiral shell of a circle
Nail 25, the axial compression friction plate 24 of screw 25.
Output shaft gear 26 is installed with output shaft 4, output shaft gear 26 is nibbled with the output gear 14 on jackshaft 3
Close transmission.
Claims (5)
1. a kind of workover rig winch Dual-speed-ratio gear reduction unit, including input shaft, output shaft, input shaft are provided with output between centers
Jackshaft more than one-level, adjacent between centers is by meshed transmission gear, it is characterised in that be cased with the jackshaft input gear and
Output gear, input gear and the direct geared on input shaft or indirect engaged transmission；Input gear is provided with axle with middle between centers
Set, axle sleeve is placed on jackshaft, and axle sleeve is supported with middle between centers by bearing, and input gear is fixedly installed in axle sleeve；Pacify on jackshaft
Equipped with freewheel clutch, the inner ring of freewheel clutch, which is fixed, is placed on jackshaft, and cycle surface and the axle sleeve of freewheel clutch are fixed
Connection；Output gear be fixedly installed in jackshaft and with the direct geared on output shaft or indirect engaged transmission.
2. the Dual-speed-ratio gear reduction unit of the workover rig winch according to claim 1, it is characterised in that the input shaft
Be provided with middle between centers on speed governing axle, input shaft and be coaxially installed with two gears, two gears through bearing pivot bush unit in input shaft,
Correspondence is coaxially installed with two gears on speed governing axle, and input shaft should engage to form two groups of gearratios with the gear mesh on speed governing axle
Transmission, be installed with governor gear between two gears of input shaft, the gear of input shaft two is towards one end of governor gear point
Not She You a corresponding external tooth of circle, be cased with internal tooth casing on governor gear, internal tooth casing is engaged and slided up and down with governor gear, internal tooth
Set is engaged with the external tooth on the gear of input shaft two respectively when sliding；Travelling gear is installed between two gears of speed governing axle, is passed
Moving gear is engaged with the input gear on jackshaft.
3. workover rig winch according to claim 2 Dual-speed-ratio gear reduction unit, it is characterised in that the internal tooth casing
Outer ring is connected with switching mechanism, and the switching mechanism includes annular groove and rotating shaft on internal tooth casing outer wall, and shaft support is in deceleration
Box body, the external part of rotating shaft, which is provided with spanner, rotating shaft, is installed with two wiper arms, and two wiper arms are distributed in the two of internal tooth casing
Bottom expansion bearing on the inside of side, each wiper arm has rotary column, and rotary column coordinates with annular groove.
4. the Dual-speed-ratio gear reduction unit of the workover rig winch according to claim 1, it is characterised in that it is described surmount from
Clutch includes lower cover, ring gear, external toothing, more than one ring gear ring flat-plate, more than one external toothing ring flat-plate and upper lid, institute
State lower cover and part is fixedly connected with or be integrated with end face of shaft bush, external toothing is fixedly installed in the external part of jackshaft, internal tooth ring
Plate and external toothing ring flat-plate interval are placed on external toothing, and ring gear ring flat-plate is engaged with external toothing, and external toothing ring flat-plate is engaged with ring gear, phase
Uniform axle spring is supported by between the inner ring edge of adjacent two ring gear ring flat-plates；Lower cover, ring gear and upper lid are fixed through screw
An entirety is connected to become, friction plate is provided between upper lid and topmost one piece of ring flat-plate, upper lid encloses uniform screw provided with one,
Screw axial extrusion friction piece.
5. the Dual-speed-ratio gear reduction unit of the workover rig winch according to claim 4, it is characterised in that the ring gear
Ring flat-plate and external toothing ring flat-plate contact surface are rubbing surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720029342.5U CN206555375U (en) | 2017-01-11 | 2017-01-11 | Workover rig winch Dual-speed-ratio gear reduction unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720029342.5U CN206555375U (en) | 2017-01-11 | 2017-01-11 | Workover rig winch Dual-speed-ratio gear reduction unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206555375U true CN206555375U (en) | 2017-10-13 |
Family
ID=60359881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720029342.5U Expired - Fee Related CN206555375U (en) | 2017-01-11 | 2017-01-11 | Workover rig winch Dual-speed-ratio gear reduction unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206555375U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641124A (en) * | 2017-01-11 | 2017-05-10 | 江苏泰隆减速机股份有限公司 | Double speed ratio gear reducer for workover rig winch |
-
2017
- 2017-01-11 CN CN201720029342.5U patent/CN206555375U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641124A (en) * | 2017-01-11 | 2017-05-10 | 江苏泰隆减速机股份有限公司 | Double speed ratio gear reducer for workover rig winch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171013 Termination date: 20190111 |