CN204239436U - Detachable gear shaft on a kind of retarder - Google Patents
Detachable gear shaft on a kind of retarder Download PDFInfo
- Publication number
- CN204239436U CN204239436U CN201420651701.7U CN201420651701U CN204239436U CN 204239436 U CN204239436 U CN 204239436U CN 201420651701 U CN201420651701 U CN 201420651701U CN 204239436 U CN204239436 U CN 204239436U
- Authority
- CN
- China
- Prior art keywords
- main shaft
- shaft
- gear shaft
- positioning
- locating slot
- 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 discloses the detachable gear shaft on a kind of retarder, comprise main shaft, spur gear and at least one locating piece, spur gear is positioned on main shaft by locating piece, main shaft is coaxially provided with the hole can inserting actuating unit, spline is provided with in hole, every positioning piece comprises locating slot, positioning key and two locking bolts, locating slot is arranged on main shaft, positioning key is arranged on spur gear, the length of positioning key and locating slot is longer than the width of spur gear, when spur gear and main shaft are coaxially socketed, positioning key is in locating slot by lock plunger.Compared with prior art, detachable gear shaft on this retarder adopts spur gear to be movably arranged on main shaft by locating piece, make gear shaft not only detachable but also do not affect the fundamental function of gear shaft, ensure the reliability of gear shaft work, solve the maintenance problem of gear shaft, economize on resources, driving force is large, use flexibly, extend the working life of whole gear shaft, therefore its application prospect is very wide.
Description
Technical field
The utility model relates to a kind of retarder, specifically, relates to the detachable gear shaft on a kind of retarder.
Background technique
Retarder, namely for reducing the separate transmission parts of rotating speed, transferring power, increase torque.Retarder plays coupling rotating speed and transmitting torque between prime mover and working machine or actuator, applies very extensive in restriction machinery.Gear shaft middle gear on existing retarder and axis body are formed as one, although ensure that the rigidity of gear, when various problem appears in gear shaft, whole gear shaft all needs to replace.Therefore need to design a kind of dismountable gear shaft, solve the maintenance problem of gear shaft, economize on resources.
Model utility content
For the problems referred to above that prior art exists, the purpose of this utility model is to provide the detachable gear shaft on a kind of retarder, solves the maintenance problem of gear shaft, economizes on resources, and driving force is large, uses flexibly, extends the working life of whole gear shaft.
For realizing above-mentioned model utility object, the technical solution adopted in the utility model is as follows:
Detachable gear shaft on a kind of retarder, comprise: main shaft, spur gear and at least one locating piece, spur gear is positioned on main shaft by locating piece, main shaft is coaxially provided with the hole can inserting actuating unit, spline is provided with in hole, every positioning piece comprises locating slot, positioning key and two locking bolts, locating slot is arranged on main shaft, positioning key is arranged on spur gear, the length of positioning key and locating slot is longer than the width of spur gear, when spur gear and main shaft are coaxially socketed, positioning key is in locating slot by lock plunger.
Preferably, every positioning piece comprises four positioning holes further, and four positioning holes are separately positioned on the two ends of locating slot and positioning key, and lock plunger passes through through the positioning hole locking and positioning key on positioning key and locating slot and locating slot.
Preferably, each positioning key is provided with two dowel piles, and the width between two dowel piles is the width of spur gear, prevents moving axially of gear.
More preferably, the positioning hole on positioning key is counter sink.
More preferably, in the positioning hole in locating slot, be provided with screw thread, the screw-thread fit in the screw thread on lock plunger and locating slot in positioning hole.
More preferably, detachable gear shaft comprises two locating pieces, and locating piece distributes in 180 degree of angles on main shaft and spur gear.
Preferably, the end of main shaft is provided with at least one radial hole, and radial hole is connected with actuating unit.
More preferably, the end of main shaft is provided with three radial holes, and radial hole is 120 degree of angle distributions.
Compared with prior art, the utility model provides the detachable gear shaft on a kind of retarder, spur gear is movably arranged on main shaft by locating piece, makes gear shaft not only detachable but also do not affect the fundamental function of gear shaft, ensures the reliability of gear shaft work, solve the maintenance problem of gear shaft, economize on resources, driving force is large, uses flexibly, extend the working life of whole gear shaft, therefore its application prospect is very wide.
Accompanying drawing explanation
The schematic diagram of the detachable gear shaft on the retarder that Fig. 1 provides for the utility model;
The sectional view of the detachable gear shaft on the retarder that Fig. 2 provides for the utility model.
Embodiment
Do to illustrate in detail, intactly further to the utility model below in conjunction with mode of execution and accompanying drawing.
Fig. 1 and Fig. 2, for the preferred implementation of the detachable gear shaft on the retarder that the utility model provides, this gear shaft is not only detachable but also do not affect the fundamental function of gear shaft, ensure the reliability of gear shaft work, solve the maintenance problem of gear shaft, economize on resources, driving force is large, use flexibly, extend the working life of whole gear shaft.As depicted in figs. 1 and 2, main shaft 1, spur gear 4 and at least one locating piece 3, spur gear 4 is positioned on main shaft 1 by locating piece 3.
The schematic diagram of the detachable gear shaft on the retarder that Fig. 1 provides for the utility model.As shown in Figure 1, main shaft 1 is coaxially provided with the hole 2 can inserting actuating unit, spline 21 is provided with in hole, the end of main shaft 1 is provided with three radial holes 11 simultaneously, radial hole 11 is in 120 degree of angle distributions, and radial hole 11 is connected with actuating unit, and such gear shaft is connected come transferring power with spline 21 with actuating unit by radial hole 11, make uniform force, improve working life.
The sectional view of the detachable gear shaft on the retarder that Fig. 2 provides for the utility model.As depicted in figs. 1 and 2, detachable gear shaft comprises two locating pieces 3, and locating piece 3 is in 180 degree of angle distributions.Every positioning piece 3 comprises locating slot 31, positioning key 32 and two locking bolts 33, locating slot 31 is arranged on main shaft 1, positioning key 32 is arranged on spur gear 4, the length of positioning key 32 and locating slot 31 is longer than the width of spur gear 4, when spur gear 4 and main shaft 1 are coaxially socketed, positioning key 32 is in locating slot 31 by lock plunger 33.
Every positioning piece 3 comprises the two ends that four positioning hole 34, four positioning holes 34 are separately positioned on locating slot 31 and positioning key 32 further, and lock plunger 33 passes through through the positioning hole 34 locking and positioning key 32 on positioning key 32 and locating slot 31 and locating slot.31。
The width that each positioning key 32 is provided with between two dowel pile 321, two dowel piles 321 is the width of spur gear, prevents moving axially of gear.Positioning hole 34 on positioning key 32 is counter sink, makes whole gear shaft surface concordant like this.Screw thread is provided with, the screw-thread fit in the screw thread on lock plunger 33 and locating slot 31 in positioning hole 34 in positioning hole 34 in locating slot 31.
Finally be necessary described herein: above embodiment is only for being described in more detail the technical solution of the utility model; can not be interpreted as the restriction to the utility model protection domain, some nonessential improvement that those skilled in the art makes according to foregoing of the present utility model and adjustment all belong to protection domain of the present utility model.
Claims (8)
1. the detachable gear shaft on a retarder, it is characterized in that, comprise: main shaft, spur gear and at least one locating piece, spur gear is positioned on main shaft by locating piece, main shaft is coaxially provided with the hole can inserting actuating unit, spline is provided with in hole, every positioning piece comprises locating slot, positioning key and two locking bolts, locating slot is arranged on main shaft, positioning key is arranged on spur gear, the length of positioning key and locating slot is longer than the width of spur gear, and when spur gear and main shaft are coaxially socketed, positioning key is in locating slot by lock plunger.
2. the detachable gear shaft on retarder according to claim 1, it is characterized in that: every positioning piece comprises four positioning holes further, four positioning holes are separately positioned on the two ends of locating slot and positioning key, and lock plunger passes through through the positioning hole locking and positioning key on positioning key and locating slot and locating slot.
3. the detachable gear shaft on retarder according to claim 2, is characterized in that: each positioning key is provided with two dowel piles, and the width between two dowel piles is the width of spur gear.
4. the detachable gear shaft on retarder according to claim 3, is characterized in that: the positioning hole on positioning key is counter sink.
5. the detachable gear shaft on retarder according to claim 4, is characterized in that: be provided with screw thread in the positioning hole in locating slot.
6. the detachable gear shaft on retarder according to claim 5, is characterized in that: detachable gear shaft comprises two locating pieces, and locating piece distributes in 180 degree of angles on main shaft and spur gear.
7. the detachable gear shaft on retarder according to claim 1, is characterized in that: the end of main shaft is provided with at least one radial hole, and radial hole is connected with actuating unit.
8. the detachable gear shaft on retarder according to claim 7, is characterized in that: the end of main shaft is provided with three radial holes, and radial hole is 120 degree of angle distributions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420651701.7U CN204239436U (en) | 2014-11-04 | 2014-11-04 | Detachable gear shaft on a kind of retarder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420651701.7U CN204239436U (en) | 2014-11-04 | 2014-11-04 | Detachable gear shaft on a kind of retarder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204239436U true CN204239436U (en) | 2015-04-01 |
Family
ID=52768936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420651701.7U Expired - Fee Related CN204239436U (en) | 2014-11-04 | 2014-11-04 | Detachable gear shaft on a kind of retarder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204239436U (en) |
-
2014
- 2014-11-04 CN CN201420651701.7U patent/CN204239436U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20150401 Termination date: 20161104 |