CN203258031U - Track car power transmission reversing device - Google Patents
Track car power transmission reversing device Download PDFInfo
- Publication number
- CN203258031U CN203258031U CN 201320188186 CN201320188186U CN203258031U CN 203258031 U CN203258031 U CN 203258031U CN 201320188186 CN201320188186 CN 201320188186 CN 201320188186 U CN201320188186 U CN 201320188186U CN 203258031 U CN203258031 U CN 203258031U
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- gear
- power transmission
- transmission shaft
- track vehicle
- vehicle power
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Abstract
The utility model provides a track car power transmission reversing device which comprises a transmission shaft, a sliding gear, a motor, a sliding bar, a shifting fork and a gear connection device, wherein the transmission shaft is transversely arranged inside a gearbox, the output end of the transmission shaft penetrates through the gearbox in a sleeved mode, the input end of the transmission shaft is movably sleeved with the sliding gear, the motor is used for inputting power, the sliding bar transversely penetrates in a base hole in the gearbox, one end of the shifting fork is movably penetrates through the sliding bar in a sleeved mode, and the gear connection device is arranged inside the gearbox. The other end of the shifting fork and the sliding gear are arranged in a sleeved mode to be used for driving the sliding gear to achieve the connection and the disconnection of the transmission shaft and the motor. The input end of the transmission shaft is sleeved with the sliding gear through a spline. One end of the gear connection device is fixedly connected with the motor. The other end of the gear connection device is sleeved with an inner hole of the sliding gear. Under the situation that the size of connection and installation of matching parts is not changed, the reliability of the operation of the gearbox is improved, and the service life of the gearbox is prolonged.
Description
Technical field
The utility model relates to a kind of power reversing mechanism, particularly a kind of track vehicle power transmission reversing arrangement.
Background technique
Gear-box is the important supporting transmission device of lifting rail vehicle.The characteristics of the gear-box that the lifting rail vehicle is supporting are high speed, heavy duty, and reliability is high.And then each cover that requires gear-box inside also wants to satisfy high speed, heavily loaded, requirement that reliability is high.Whether each nested structure and parameter be reasonable, directly affects the reliability of gear-box, and then affect the security of operation of special vehicle, directly injures safety of life and property, and existing transmission changement reliability has much room for improvement.
As shown in Figure 1, the transmission changement comprises end cap 1 in the prior art, the first bolt 2, the first spring washer 3, the first gear 4, the first spacer 5, the second gear 6, the second spacer 7, the first tapered roller bearing 8, the 3rd spacer 9, the first lock washer 10, round nut 11, shift fork 12, transmission shaft 13, sliding gear 14, slide bar 15, live axle 16, screw 17, the second spring washer 18, motor mount 19, the first deep groove ball bearing 20, shaft block ring 21, the second deep groove ball bearing 22, baffle plate 23, the second bolt 24, the 3rd spring washer 25, the second lock washer 26, oil motor 27, the second tapered roller bearing 28, the 3rd deep groove ball bearing 29.
As shown in Figure 1, the first deep groove ball bearing 20 is packed in the gear case body, live axle 16 is packed in the first deep groove ball bearing 20, the second deep groove ball bearing 22 and the 3rd deep groove ball bearing 29 are packed in the endoporus of live axle 16, sliding gear 14 is contained on the transmission shaft 13, and shift fork 12 is contained on the slide bar 15, and slide bar 15 is packed in the gear case body, drive the move left and right of sliding gear 14 by shift fork 12 horizontally slipping on slide bar 15, and then the engaging and separate of control sliding gear 14 and live axle 16.
When sliding gear 14 separated with live axle 16, to the handling output shaft, track vehicle realized the handling function with the transmission of power of input shaft in power passes to the first gear 4 and the second gear 6 and other gears of transfer case by input shaft engagement.
When sliding gear 14 engages with live axle 16, oil motor 27 input powers, and by with the engagement of live axle 16 with transmission of power to live axle 16, by live axle 16 transferring power to sliding gear 14, pass to again transmission shaft 13, pass to again the first gear 4 and the second gear 6, by the first gear 4 and the second gear 6 and the engagement of lifting by crane transmission shaft, realize the handling function.
Yet, when sliding gear 14 engages with live axle 16 under the control of shift fork 12, lubricant oil can only enter live axle 16 endoporus by the gap of internal tooth engagement, the lubricated medium that provides for the second deep groove ball bearing 22 and the 3rd deep groove ball bearing 29, can cause like this lubricants capacity to provide lessly, make the second deep groove ball bearing 22 and the 3rd deep groove ball bearing 29 can not get sufficient lubrication, working condition is very abominable during operation, thereby easily cause the situation of the second deep groove ball bearing 22 and the 3rd deep groove ball bearing 29 frequent scaling loss, the serious entail dangers to security of the lives and property of going back.
In addition, in order to guarantee the normal operation of equipment, the required precision of the coaxality of the right-hand member internal tooth that is connected with oil motor 27 to the cylindrical of the endoporus that fills the second deep groove ball bearing 22 and the 3rd deep groove ball bearing 29 on live axle 16 parts, first deep groove ball bearing 20 of packing into and with left end internal tooth that sliding gear 14 meshes is very high, thereby, the difficulty of the processing of live axle 16 is larger in the prior art, thereby also can increase processing cost, the efficient of impact processing.
The model utility content
The technical problems to be solved in the utility model be for the track vehicle power transmission changement bearing that overcomes prior art in conjunction with lubricated not, and the coaxality to live axle requires very high, there is the large defective of difficulty of processing, a kind of reliability that can improve the gear-box running is provided, and then ensures the track vehicle power transmission reversing arrangement of the job safety of rail vehicle.
The utility model is to solve above-mentioned technical problem by following technical proposals: a kind of track vehicle power transmission reversing arrangement, it comprises: in the horizontal gear-box and output terminal wear the transmission shaft of this gear-box, one is movably set in the sliding gear of the input end of this transmission shaft, one is used for the motor of input power, one is transverse in the slide bar of seat in the hole of this gear-box, and the shift fork that wears of end and this slide bar activity, the other end of this shift fork and this sliding gear are sheathed, be used for to drive this sliding gear and realize connecting and disconnection of transmission shaft and motor, its characteristics are, this sliding gear is located on the input end of this transmission shaft by a spline housing, this track vehicle power transmission reversing arrangement comprises that also one places the gear connector in this gear-box, one end and the motor of this gear connector are affixed, and the other end is movably set in the endoporus of this sliding gear.
This programme has been cancelled the motor mount in the existing power transmission changement, having reduced the transition before of motor and gear case body connects, two deep groove ball bearing parts having cancelled the live axle in the existing power transmission changement and be arranged on live axle inside, the fault point of having stopped bearing burnt.Therefore, improve the reliability of gear-box running, improved the operation stability of gear-box.
Preferably, this motor is an oil motor, and the output shaft of this oil motor and this transmission shaft coaxial line, this oil motor comprise a location cylindrical section, is radially positioned at by this this oil motor of location cylindrical section in the seat hole of this gear-box.Oil motor is the commercially available prod.The output shaft of this oil motor and this transmission shaft coaxial line are the coaxalitys in order to guarantee to rotate, and improve gear-driven precision.
Preferably, this gear connector comprises: one connects gear, a pressing plate and a bolt, and it is affixed by the output shaft of this bolt and this pressing plate and this oil motor that this connects gear, and this connects the axis of gear and the output shaft coaxial line of this oil motor.Because the output shaft of oil motor and transmission shaft coaxial line keep connecting the axis of gear and the output shaft coaxial line of this oil motor, can guarantee to connect like this coaxality of gear and sliding gear, thereby improve the reliability of gear-box running.The endoporus that connects gear in this programme is realized and radially being connected of oil motor at the external splines of oil motor by inner spline housing.
Preferably, this track vehicle power transmission reversing arrangement comprises that also the first gear, under the external impetus drive places bearing support, an end cap in the seat hole of this gear-box, and be placed side by side one first roller bearing, the deep groove ball bearing of seat in the hole of this bearing support, the output terminal of this transmission shaft wears the endoporus of this first gear, this first roller bearing, deep groove ball bearing successively, and this first roller bearing, this deep groove ball bearing are positioned in this bearing support by this end cap.
This programme had increased a bearing support before left end bearing and gear case body, left end is adjusted into two bearings by an original bearing, be deep groove ball bearing and the first roller bearing, the deep groove ball bearing increase is the Location accuracy of transmission radially, the first roller bearing mainly bears radial load, has so just improved continuing and stability of power output.
Preferably, this track vehicle power transmission reversing arrangement comprises that also one is located in the first spacer between this first roller bearing, this deep groove ball bearing.In this programme, this first spacer also is set on this transmission shaft.
Preferably, also wear one second roller bearing and on this transmission shaft for the second gear that is meshed with the driving gear of outside, the outer ring of this second roller bearing is arranged in the seat hole of this gear-box, and this second gear is positioned on this transmission shaft by the pillow block on this transmission shaft and this second roller bearing.
Preferably, this track vehicle power transmission reversing arrangement comprises that also one is located in the second spacer between this second roller bearing, this second gear.In this programme, this first spacer also is set on this transmission shaft.
Preferably, this second gear is meshed with the driving gear of outside transfer case.The second gear is meshed with the driving gear of outside transfer case, and the transmission of power that is used for oil motor is inputted makes track vehicle realize the handling function to the handling output shaft.
On the basis that meets related domain general knowledge, above-mentioned each optimum condition, but combination in any namely get each preferred embodiment of the utility model.
Positive progressive effect of the present utility model is: the utility model changes structural configuration and kinds of bearings and the model of original structure bearing, before left end bearing and gear case body, increased a bearing support, left end is adjusted into two bearings by an original bearing, be deep groove ball bearing and the first roller bearing, the deep groove ball bearing increase is the Location accuracy of transmission radially, the first roller bearing mainly bears radial load, has improved the operation stability of gear-box.In addition, the utility model has been cancelled the motor mount in the existing power transmission changement, reduced the transition before of motor and gear case body and connected, two deep groove ball bearings having cancelled live axle and be arranged on live axle inside have been stopped the bearing burnt fault point.Therefore, the utility model has improved the reliability of gear-box running in situation about not changing with the kit installation dimension.Simultaneously, structure of the present utility model has also improved the transmission accuracy of driving component, and existing changement also reduced cost, has also improved the working life of whole gear-box.
Description of drawings
Fig. 1 is the sectional view of the track vehicle power transmission reversing arrangement of prior art.
Fig. 2 is the sectional view of the track vehicle power transmission reversing arrangement of the utility model preferred embodiment.
Embodiment
The below lifts a preferred embodiment, and comes by reference to the accompanying drawings the clearer the utility model that intactly illustrates.
As shown in Figure 2, track vehicle power transmission reversing arrangement of the present utility model comprises: end cap 1, the first bolt 2, the first spring washer 3, the first gear 4, the second gear 6, the second spacer 7, the first lock washer 10, round nut 11, shift fork 12, transmission shaft 13, sliding gear 14, slide bar 15, oil motor 27, the first roller bearing 30, the second roller bearing 31, hole back-up ring 32, shaft block ring 33, the second bolt 34, pressing plate 35, the 3rd spacer 36, bearing support 37, the second spring washer 38, the 3rd bolt 39, the 4th spacer 40, connect gear 41, deep groove ball bearing 42, the first spacer 43.
The first gear 4 and the second gear 6 all by inner spline housing on the cylindrical of transmission shaft 13, the second roller bearing 31 cooperates with a hole of gear-box by its outer ring, the inner ring of the second roller bearing 31 is placed on the cylindrical of transmission shaft 13.
The second spacer 7 is loaded between the second gear 6 and the second roller bearing 31, and is placed on the cylindrical of transmission shaft 13, and this two part is carried out axially locating.
The hole is loaded on back-up ring 32 in the casing groove of gear-box, and axially locating is carried out in the outer ring of the second roller bearing 31, and shaft block ring 33 is loaded in the annular groove outside of transmission shaft 13, and the inner ring of the second roller bearing 31 is carried out axially locating.
The track vehicle of mentioning in the present embodiment can be the lifting track vehicle.When shift fork was moved to the left, when driving sliding gear and separating with oil motor, then transmission shaft did not have the power drive, and the first gear is externally worked under the drive of power.And when shift fork moves right, sliding gear is realized connecting with oil motor, oil motor drives transmission shaft and rotates, then driving the second gear rotates, thereby drive outside driving gear (such as other gears of the lifting track vehicle transfer case) action that is meshed with the second gear, to the handling output shaft, track vehicle realizes the handling function with the transmission of power of input.Wherein, the structure division of above-mentioned lifting track vehicle transfer case can adopt in the prior art existing auxiliary box structure to realize, the non-inventive point of the present utility model of this part place, and therefore not to repeat here.
The utility model changes structural configuration and kinds of bearings and the model of existing power transmission commutating structure middle (center) bearing, before left end bearing and gear case body, increased a bearing support, left end is adjusted into two bearings by an original bearing, be deep groove ball bearing and the first roller bearing, the deep groove ball bearing increase is the Location accuracy of transmission radially, the first roller bearing mainly bears radial load, cancelled the motor mount in the existing power transmission changement, having reduced the transition before of motor and gear case body connects, two deep groove ball bearing parts having cancelled the live axle in the existing power transmission changement and be arranged on live axle inside, the fault point of having stopped bearing burnt.Therefore, the reliability of gear-box running and the operation stability of gear-box have been improved.
Simultaneously, structure the utility model of the present utility model is in situation about not changing with the kit installation dimension, also improve the transmission accuracy of transmission part, and also greatly reduced processing cost than the power reversing mechanism of prior art, improved the working life of whole gear-box.
Although more than described embodiment of the present utility model, but those skilled in the art is to be understood that, these only illustrate, and under the prerequisite that does not deviate from principle of the present utility model and essence, can make various changes or modifications to these mode of executions.Therefore, protection domain of the present utility model is limited by appended claims.
Claims (8)
1. track vehicle power transmission reversing arrangement, it comprises: in the horizontal gear-box and output terminal wear the transmission shaft of this gear-box, one is movably set in the sliding gear of the input end of this transmission shaft, one is used for the motor of input power, one is transverse in the slide bar of seat in the hole of this gear-box, and the shift fork that wears of end and this slide bar activity, the other end of this shift fork and this sliding gear are sheathed, be used for to drive this sliding gear and realize connecting and disconnection of transmission shaft and motor, it is characterized in that, this sliding gear is located on the input end of this transmission shaft by a spline housing, this track vehicle power transmission reversing arrangement comprises that also one places the gear connector in this gear-box, one end and the motor of this gear connector are affixed, and the other end is movably set in the endoporus of this sliding gear.
2. track vehicle power transmission reversing arrangement as claimed in claim 1, it is characterized in that, this motor is an oil motor, the output shaft of this oil motor and this transmission shaft coaxial line, this oil motor comprises a location cylindrical section, is radially positioned at by this this oil motor of location cylindrical section in the seat hole of this gear-box.
3. track vehicle power transmission reversing arrangement as claimed in claim 2, it is characterized in that, this gear connector comprises: one connects gear, a pressing plate and a bolt, it is affixed by the output shaft of this bolt and this pressing plate and this oil motor that this connects gear, and this connects the axis of gear and the output shaft coaxial line of this oil motor.
4. track vehicle power transmission reversing arrangement as claimed in claim 2, it is characterized in that, this track vehicle power transmission reversing arrangement comprises that also the first gear, under the external impetus drive places bearing support, an end cap in the seat hole of this gear-box, and be placed side by side one first roller bearing, the deep groove ball bearing of seat in the hole of this bearing support, the output terminal of this transmission shaft wears the endoporus of this first gear, this first roller bearing, deep groove ball bearing successively, and this first roller bearing, this deep groove ball bearing are positioned in this bearing support by this end cap.
5. track vehicle power transmission reversing arrangement as claimed in claim 4 is characterized in that, this track vehicle power transmission reversing arrangement comprises that also one is located in the first spacer between this first roller bearing, this deep groove ball bearing.
6. track vehicle power transmission reversing arrangement as claimed in claim 2, it is characterized in that, also wear one second roller bearing and on this transmission shaft for the second gear that is meshed with the driving gear of outside, the outer ring of this second roller bearing is arranged in the seat hole of this gear-box, and this second gear is positioned on this transmission shaft by the pillow block on this transmission shaft and this second roller bearing.
7. track vehicle power transmission reversing arrangement as claimed in claim 6 is characterized in that, this track vehicle power transmission reversing arrangement comprises that also one is located in the second spacer between this second roller bearing, this second gear.
8. such as claim 6 or 7 described track vehicle power transmission reversing arrangements, it is characterized in that this second gear is meshed with the driving gear of outside transfer case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320188186 CN203258031U (en) | 2013-04-15 | 2013-04-15 | Track car power transmission reversing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320188186 CN203258031U (en) | 2013-04-15 | 2013-04-15 | Track car power transmission reversing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203258031U true CN203258031U (en) | 2013-10-30 |
Family
ID=49470594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320188186 Expired - Fee Related CN203258031U (en) | 2013-04-15 | 2013-04-15 | Track car power transmission reversing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203258031U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112868628A (en) * | 2021-01-25 | 2021-06-01 | 菏泽市农业科学院 | Corn planting pesticide sprayer device and spraying method |
-
2013
- 2013-04-15 CN CN 201320188186 patent/CN203258031U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112868628A (en) * | 2021-01-25 | 2021-06-01 | 菏泽市农业科学院 | Corn planting pesticide sprayer device and spraying method |
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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 |
Granted publication date: 20131030 Termination date: 20150415 |
|
| EXPY | Termination of patent right or utility model |