CN203686051U - Mechanical self-locking differential teaching aid - Google Patents
Mechanical self-locking differential teaching aid Download PDFInfo
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- CN203686051U CN203686051U CN201320822600.7U CN201320822600U CN203686051U CN 203686051 U CN203686051 U CN 203686051U CN 201320822600 U CN201320822600 U CN 201320822600U CN 203686051 U CN203686051 U CN 203686051U
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Abstract
The utility model discloses a mechanical self-locking differential teaching aid which comprises a rack, wherein a motor and a pavement simulation mechanism are connected with the rack respectively; the motor is connected with a housing of a differential via a transmission mechanism; the differential is provided with a self-locking mechanism; the two ends of the differential are connected with the rack via a right half axle and a left half axle; the right half axle is connected with a right wheel; the left half axle is connected with a left wheel; and the pavement simulation mechanism is arranged below the differential.According to the mechanical self-locking differential teaching aid, a simulation mechanism of a differential self-locking system can better reflect a self-locking principle of the mechanical self-locking differential; the pavement simulation mechanism can simulate a working process of the differential during normal motion and skid of the wheels; the problem that the existing differential cannot simulate actual motion of an actual vehicle; and the mechanical self-locking differential teaching aid is light in mass, moves conveniently, and ensures that students observe an internal structure and a motion state conveniently.
Description
Technical field
The utility model belongs to teaching aid technical field, is specifically related to a kind of mechanical self-latching type differential mechanism teaching aid.
Background technique
At present, most universities and colleges can all belong to the differential mechanism disassembling on existing vehicle for student's differential mechanism teaching aid, volume is large, quality weight, and all belong to rigid, comprise differential carrier, planetary pinion, differential axle and differential gear etc., be difficult for upper class hour arbitrarily moving, student cannot observe again the working principle of internal structure and differential mechanism.
And in the market, mechanical self-latching type differential mechanism is replacing open differential gradually, because two drive be equipped with after mechanical lock-type differential, cross-country ability and even exceeded the vehicle of four-wheel drive by performance, mechanical efficiency is high again.But all teaching aids of most of colleges and universities are also confined to open differential category, student is observation structure more complicated mechanical self-latching type differential mechanism relatively directly.In addition, existing differential mechanism teaching aid all cannot be realized the actual motion of simulating reality vehicle.
Model utility content
The purpose of this utility model is to provide a kind of mechanical self-latching type differential mechanism teaching aid, has solved the problem of the actual motion that existing differential mechanism cannot simulating reality vehicle.
The technological scheme that the utility model adopts is: mechanical self-latching type differential mechanism teaching aid, comprise frame, in frame, be connected with respectively motor and test pavement simulating mechanism, motor is connected with the housing of differential mechanism by driving mechanism, differential mechanism is provided with self-locking mechanism, and the two ends of differential mechanism are connected with frame with left half axle by right axle shaft respectively, and right axle shaft is connected with right wheel, left half axle is connected with left wheel, and test pavement simulating mechanism is arranged on the below of differential mechanism.
Feature of the present utility model is also,
Test pavement simulating mechanism comprises the coupling shaft being arranged in frame, and the two ends of coupling shaft are connected with respectively right test pavement simulating wheel disc and left test pavement simulating wheel disc, and right test pavement simulating wheel disc engages with right wheel, and left test pavement simulating wheel disc engages with left wheel.
Driving mechanism comprises the main reducing gear drive bevel gear being connected by motor transmission shaft with motor, and main reducing gear drive bevel gear engages with main reducing gear driven wheel of differential, and the housing of main reducing gear driven wheel of differential and differential mechanism is connected by screw.
Differential mechanism comprises the differential gear being connected with left half axle with right axle shaft respectively, and differential gear engages with a pair of planetary pinion, and planetary pinion is arranged on differential axle.
Self-locking mechanism comprises two retaining collars that are enclosed within outside differential axle, and the two ends of two retaining collars connect by connecting pin respectively, is also provided with two self-lockings and gets rid of piece between two retaining collars, and two self-lockings are got rid of interblock and are connected with limit spring.
Right axle shaft is connected with frame by bearing respectively with left half axle.
On right test pavement simulating wheel disc and left test pavement simulating wheel disc, be respectively arranged with breach.
Coupling shaft overcoat has sleeve, is also connected with stretched spring between sleeve and frame.
The beneficial effects of the utility model are: the utility model mechanical self-latching type differential mechanism teaching aid, differential mechanism self-lock system simulation mechanism can react the self-lock mechanism of mechanical self-latching type differential mechanism preferably, test pavement simulating mechanism can simulating wheel proper motion and the working procedure of differential mechanism while skidding, solve existing differential mechanism and cannot realize the problem of the actual motion of simulating reality vehicle, quality is light, be convenient to move, facilitate observation of students internal structure and motion state.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model mechanical self-latching type differential mechanism teaching aid;
Fig. 2 is the schematic diagram on the normal road surface of the utility model mechanical self-latching type differential mechanism teaching aid test pavement simulating mechanism analog;
Fig. 3 is the schematic diagram of the utility model mechanical self-latching type differential mechanism teaching aid test pavement simulating mechanism analog slippery road surface;
Fig. 4 is the structural representation of differential mechanism in the utility model mechanical self-latching type differential mechanism teaching aid;
Fig. 5 is the schematic diagram of the utility model mechanical self-latching type differential mechanism teaching aid self-locking mechanism in the time of the normal road surface of simulation;
Fig. 6 is the schematic diagram of the utility model mechanical self-latching type differential mechanism teaching aid self-locking mechanism in the time that simulation is skidded.
In figure, 1. frame, 2. right test pavement simulating wheel disc, 3. coupling shaft, 4. right wheel, 5. right axle shaft, 6. sleeve, 7. differential mechanism, 71. planetary pinions, 72. differential axles, 721. retaining collars, 722. limit spring, 723. connecting pins, piece is got rid of in 724. self-lockings, 73. differential gears, 8. left test pavement simulating wheel disc, 9. left wheel, 10. left half axle, 11. bearings, 12. main reducing gear driven wheels of differential, 13. main reducing gear drive bevel gear, 14. motors, 15. motor transmission shafts, 16. stretched springs.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
The structure of the utility model mechanical self-latching type differential mechanism teaching aid as shown in Figure 1, comprise frame 1, in frame 1, be connected with respectively motor 14 and test pavement simulating mechanism, as shown in Figures 2 and 3, test pavement simulating mechanism comprises the coupling shaft 3 being arranged in frame 1, coupling shaft 3 overcoats have sleeve 6, between sleeve 6 and frame 1, be also connected with stretched spring 16, for buckle 6 and coupling shaft 3, ensure test pavement simulating mechanism and left wheel 9 and right wheel 4 good engagement, the two ends of coupling shaft 3 are connected with respectively right test pavement simulating wheel disc 2 and left test pavement simulating wheel disc 8, on right test pavement simulating wheel disc 2 and left test pavement simulating wheel disc 8, be respectively arranged with breach, be used for simulating slippery road surface, right test pavement simulating wheel disc 2 engages with right wheel 4, left test pavement simulating wheel disc 8 engages with left wheel 9, motor 14 is connected with the housing of differential mechanism 7 by driving mechanism, driving mechanism comprises the main reducing gear drive bevel gear 13 being connected by motor transmission shaft 15 with motor 14, main reducing gear drive bevel gear 13 engages with main reducing gear driven wheel of differential 12, main reducing gear driven wheel of differential 12 is connected by screw with the housing of differential mechanism 7, as shown in Figure 4, differential mechanism 7 comprises the differential gear 73 being connected with left half axle 10 with right axle shaft 5 respectively, differential gear 73 engages with a pair of planetary pinion 71, planetary pinion 71 is arranged on differential axle 72, differential mechanism 7 is provided with self-locking mechanism, as shown in Figure 5 and Figure 6, self-locking mechanism comprises two retaining collars 721 that are enclosed within outside differential axle 72, the two ends of two retaining collars 721 connect by connecting pin 723 respectively, between two retaining collars 721, be also provided with two self-lockings and get rid of piece 724, two self-lockings are got rid of 724 of pieces and are connected with limit spring 722, the two ends of differential mechanism 7 are connected with frame 1 with left half axle 10 by right axle shaft 5 respectively, right axle shaft 5 is connected with frame 1 by bearing 11 respectively with left half axle 10, right axle shaft 5 is connected with right wheel 4, left half axle 10 is connected with left wheel 9, test pavement simulating mechanism is arranged on the below of differential mechanism 7.
As shown in Figure 2, when the groove on right test pavement simulating wheel disc 2 is not during in the top, right test pavement simulating wheel disc 2 is simulated normal road surface; As shown in Figure 3, in the time that the concave slot sports on right test pavement simulating wheel disc 2 arrives the top, simulation slippery road surface.
As shown in Figure 6, occur differential when running into slippery road surface left wheel 9 with right wheel 4, when differential axle 72 rotations reach certain rotating speed, connecting pin 723 overcomes the pulling force of spring to be thrown away, is stuck on the housing of differential mechanism 7, realizes self-locking.
When use, open the power switch of motor 14, power passes to main reducing gear drive bevel gear 13 through motor transmission shaft 15, pass to differential mechanism 7 by the main reducing gear driven wheel of differential 12 engaging with it, the right axle shaft 5 at differential mechanism 7 two ends and left half axle 10 drive respectively right wheel 4 and left wheel 9 to move simultaneously, right wheel 4 all engages with left test pavement simulating wheel disc 8 with right test pavement simulating wheel disc 2, left wheel 9, simulation differential mechanism proper motion; In the time that the concave slot sports on left test pavement simulating wheel disc 8 arrives the top, left wheel 9 is unsettled to trackslip, and simulation left wheel 9 skids, and differential appears in left wheel 9 and right wheel 4, and self-locking mechanism is realized self-locking; In the time that self-locking mechanism is sealed, left wheel 9 and right wheel 4 are completely by locked, and power is directly passed to right wheel 4, makes left wheel 9 roll groove away from, normally travels; In the time that the concave slot sports on right test pavement simulating wheel disc 2 arrives the top, unsettled the trackslipping of right wheel 4, simulates right wheel 4 and skids, and right wheel 4 occurs differential with left wheel 9, and self-locking mechanism is realized self-locking; In the time that self-locking mechanism is sealed, right wheel 4 and left wheel 9 are completely by locked, and power is directly passed to left wheel 9, make right wheel 4 roll groove away from, normally travel; Repeat the cyclic process that above-mentioned steps simulation is normally travelled, left wheel 9 skids, right wheel 4 skids.
The utility model mechanical self-latching type differential mechanism teaching aid, differential mechanism self-lock system simulation mechanism can react the self-lock mechanism of mechanical self-latching type differential mechanism preferably, test pavement simulating mechanism can simulating wheel proper motion and the working procedure of differential mechanism while skidding, solve existing differential mechanism and cannot realize the problem of the actual motion of simulating reality vehicle, quality is light, be convenient to move, differential casing adopts plexiglass to facilitate observation of students internal structure and motion state.
Claims (8)
1. mechanical self-latching type differential mechanism teaching aid, it is characterized in that, comprise frame (1), in described frame (1), be connected with respectively motor (14) and test pavement simulating mechanism, described motor (14) is connected with the housing of differential mechanism (7) by driving mechanism, described differential mechanism (7) is provided with self-locking mechanism, the two ends of described differential mechanism (7) are connected with frame (1) with left half axle (10) by right axle shaft (5) respectively, described right axle shaft (5) is connected with right wheel (4), described left half axle (10) is connected with left wheel (9), described test pavement simulating mechanism is arranged on the below of described differential mechanism (7).
2. mechanical self-latching type differential mechanism teaching aid as claimed in claim 1, it is characterized in that, described test pavement simulating mechanism comprises the coupling shaft (3) being arranged in described frame (1), the two ends of described coupling shaft (3) are connected with respectively right test pavement simulating wheel disc (2) and left test pavement simulating wheel disc (8), described right test pavement simulating wheel disc (2) engages with described right wheel (4), and described left test pavement simulating wheel disc (8) engages with described left wheel (9).
3. mechanical self-latching type differential mechanism teaching aid as claimed in claim 1, it is characterized in that, described driving mechanism comprises the main reducing gear drive bevel gear (13) being connected by motor transmission shaft (15) with described motor (14), described main reducing gear drive bevel gear (13) engages with main reducing gear driven wheel of differential (12), and described main reducing gear driven wheel of differential (12) is connected by screw with the housing of described differential mechanism (7).
4. mechanical self-latching type differential mechanism teaching aid as claimed in claim 1, it is characterized in that, described differential mechanism (7) comprises the differential gear (73) being connected with described left half axle (10) with described right axle shaft (5) respectively, described differential gear (73) engages with a pair of planetary pinion (71), and described planetary pinion (71) is arranged on differential axle (72).
5. mechanical self-latching type differential mechanism teaching aid as claimed in claim 1, it is characterized in that, described self-locking mechanism comprises two retaining collars (721) that are enclosed within outside described differential axle (72), the two ends of described two retaining collars (721) connect by connecting pin (723) respectively, between described two retaining collars (721), be also provided with two self-lockings and get rid of piece (724), described two self-lockings are got rid of and between piece (724), are connected with limit spring (722).
6. mechanical self-latching type differential mechanism teaching aid as claimed in claim 1, is characterized in that, described right axle shaft (5) is connected with described frame (1) by bearing (11) respectively with described left half axle (10).
7. mechanical self-latching type differential mechanism teaching aid as claimed in claim 2, is characterized in that, on described right test pavement simulating wheel disc (2) and described left test pavement simulating wheel disc (8), is respectively arranged with breach.
8. mechanical self-latching type differential mechanism teaching aid as claimed in claim 2, is characterized in that, described coupling shaft (3) overcoat has sleeve (6), between described sleeve (6) and described frame (1), is also connected with stretched spring (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320822600.7U CN203686051U (en) | 2013-12-12 | 2013-12-12 | Mechanical self-locking differential teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320822600.7U CN203686051U (en) | 2013-12-12 | 2013-12-12 | Mechanical self-locking differential teaching aid |
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| Publication Number | Publication Date |
|---|---|
| CN203686051U true CN203686051U (en) | 2014-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320822600.7U Expired - Fee Related CN203686051U (en) | 2013-12-12 | 2013-12-12 | Mechanical self-locking differential teaching aid |
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| CN (1) | CN203686051U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104329435A (en) * | 2014-11-11 | 2015-02-04 | 合肥工业大学 | Driving limited slip differential device |
| CN104930156A (en) * | 2015-06-17 | 2015-09-23 | 河南省瑞歌传动机械有限公司 | Automatic mechanical differential lock for differential mechanism |
| CN105292219A (en) * | 2015-11-16 | 2016-02-03 | 湖北汽车工业学院 | Stair climbing vehicle |
| CN108999744A (en) * | 2018-08-14 | 2018-12-14 | 南京信息工程大学 | A kind of teaching type wind-driven generator pitching linkage mechanism |
-
2013
- 2013-12-12 CN CN201320822600.7U patent/CN203686051U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104329435A (en) * | 2014-11-11 | 2015-02-04 | 合肥工业大学 | Driving limited slip differential device |
| CN104930156A (en) * | 2015-06-17 | 2015-09-23 | 河南省瑞歌传动机械有限公司 | Automatic mechanical differential lock for differential mechanism |
| CN105292219A (en) * | 2015-11-16 | 2016-02-03 | 湖北汽车工业学院 | Stair climbing vehicle |
| CN108999744A (en) * | 2018-08-14 | 2018-12-14 | 南京信息工程大学 | A kind of teaching type wind-driven generator pitching linkage mechanism |
| CN108999744B (en) * | 2018-08-14 | 2023-07-04 | 南京信息工程大学 | Variable pitch linkage mechanism of teaching type wind driven generator |
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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: 20140702 Termination date: 20161212 |