CN202914713U - A locking mechanism of gearbox back ancillary box protecting system - Google Patents
A locking mechanism of gearbox back ancillary box protecting system Download PDFInfo
- Publication number
- CN202914713U CN202914713U CN 201220564429 CN201220564429U CN202914713U CN 202914713 U CN202914713 U CN 202914713U CN 201220564429 CN201220564429 CN 201220564429 CN 201220564429 U CN201220564429 U CN 201220564429U CN 202914713 U CN202914713 U CN 202914713U
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- lock
- lockup piston
- cylinder housing
- tower shell
- piston
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- Withdrawn - After Issue
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Abstract
The utility model discloses a locking mechanism of a gearbox back ancillary box protecting system. The locking mechanism of the gearbox back ancillary box protecting system comprises a shift gear tower-shaped shell, a shift-gear shaft and a locking piston, wherein the shift gear tower-shaped shell is provided with a piston end-mouth face, the shift gear shaft is installed in the shift gear tower-shaped shell and one end of the shift gear shaft stretches out of the shift gear tower-shaped shaft. The locking piston is sleeved on the shift gear shaft and one end of the locking piston is a trusting end and the other end of the locking piston is a pressure end. A ring protrusion is installed on one face of the pressure end, wherein the one face of the pressure end is deviated from the shift gear tower-shaped shell. A locking unit is fixedly arranged on the protrudent end of the shift gear shaft. The diameter of the locking unit is greater than the diameter of the shift gear shaft and is smaller than the diameter of the ring protrusion. A locking cylinder shell is fixedly arranged on the end of the shift gear tower-shaped shell and the locking cylinder shell is provided with a step face, wherein the step face is matched with the ring protrusion. The locking cylinder, the shift gear tower-shaped shell, the locking piston, and the pressure end of the locking piston can form an air inlet cavity. An elastic recovery unit is arranged between the locking cylinder shell and the pressure end of the locking piston. According to locking mechanism of the gearbox back ancillary box protecting system, harms to the back ancillary box caused by that the shift-gear shaft is shifted from a top grade to a low grade when the a car travels in a super-high speed.
Description
Technical field
The utility model relates to the engine mission preparing technical field, relates in particular the lockable mechanism of odd-side protective system behind a kind of gearbox.
Background technique
Rear odd-side is generally positioned at the latter half part of engine mission, its Main Function is that the power by main-gear box output is carried out the amplification of moment of torsion, the working state of rear odd-side is divided into high-grade district's working state and low-grade district working state, and the switching of its working state is to realize by the move left and right of selecting shift shaft.
In general, select shift shaft to be hung into high-grade district by the low grade district and can not cause damage to rear odd-side and whole gearbox, but when high-speed running automobile, the shifting aixs cylinder so is transformed into low-grade district by the top grade district, odd-side also will be transformed into low-grade district working state by top grade district working state after this moment, at this moment be very easy to cause the damage of rear odd-side, may cause whole gearbox to be scrapped fully when even more serious.
Rear odd-side lockable mechanism generally all is not set in the present manual transmission, therefore in the situation that the vehicle high-speed running still can realize the conversion to the low grade district by the top grade district, this is just so that rear odd-side is very easy to damage, the working life of seriously reducing gearbox.
Therefore, how can provide a kind of and realize preventing that the lockable mechanism that automobile prevents that when high speed operation the shifting axle from hanging from the top grade district into low-grade district from being the technical problem that present those skilled in the art need solution badly.
The model utility content
The purpose of this utility model provides the lockable mechanism of odd-side protective system behind a kind of gearbox, hangs into low-grade district from the top grade district and rear odd-side and whole gearbox are caused damage to realize preventing automobile shifting axle when the high speed operation.
For achieving the above object, the utility model provides the lockable mechanism of odd-side protective system behind a kind of gearbox, and the lockable mechanism of odd-side protective system comprises behind the described gearbox:
The gearshift tower shell, the inner chamber of described gearshift tower shell is provided with piston seam face;
Be arranged at the shifting axle of described gearshift tower shell inside, an end of described shifting axle stretches out described gearshift tower shell;
Be sheathed on the lockup piston on the described shifting axle, one end of described lockup piston is the thrust end that cooperates with described piston seam face, and the thrust end cooperates with described gearshift tower shell bore seal, the other end of lockup piston is that diameter is greater than the pressure end of described thrust end, the end that described lockup piston is provided with pressure end stretches out described gearshift tower shell and has the interval with shifting tower shell end, the edge that described pressure end deviates from the one side of described gearshift tower shell is provided with annular protrusion, the height of described annular protrusion greater than described shifting axle by the top grade district the most high-grade during to top grade district lowest gear shifting displacement distance and less than described shifting axle by the top grade district the most high-grade to the low grade district displacement distance during high-grade shifting;
Be fixedly installed on the locking body that described shifting shaft extension goes out described gearshift tower shell end, the diameter of described locking body is greater than described shifting axle, and less than the diameter of described annular protrusion;
Be fixedly installed on the lock-up cylinder housing of described gearshift tower shell end, be provided with the step surface that matches with described annular protrusion in the described lock-up cylinder housing, it is concordant with the operative end surface of described locking body when the most high-grade that the end face of described step surface is in high-grade district at described shifting axle, the pressure end of described lock-up cylinder housing and described gearshift tower shell and described lockup piston all is sealed and matched, and described gearshift tower shell, lock-up cylinder housing and described lockup piston and pressure end formation air inlet cavity thereof;
Be arranged between the pressure end of described lock-up cylinder housing and described lockup piston, be used for the elastic recovery part of described lockup piston return;
The intake and exhaust conversion equipment, described intake and exhaust conversion equipment links to each other with described air inlet cavity.。
Preferably, described locking body is the lock-nut that is connected with described shifting male thread.
Preferably, described elastic recovery part is to be sheathed on the described shifting axle and the pressure end of an end and described lockup piston offsets, the return spring that the other end and described lock-up cylinder shell end offset.
Preferably, described intake and exhaust conversion equipment is the solenoid valve that is fixedly installed on the described lock-up cylinder housing, is provided with gas-entered passageway and the exhaust passage corresponding with described air inlet cavity in the described solenoid valve.
Preferably, also comprise on the inner chamber that is arranged at described lock-up cylinder housing and the annular pneumatic dashpot corresponding with described gas-entered passageway.
Preferably, be provided with the O RunddichtringO between described solenoid valve and the described lock-up cylinder housing.
Preferably, described lockup piston is aluminium matter lockup piston, and described lock-up cylinder housing is aluminium matter lock-up cylinder housing.
Preferably, between the thrust end of described lockup piston and the described gearshift tower shell inner chamber, between described gearshift tower shell and the described lock-up cylinder housing and be provided with the O RunddichtringO between described lockup piston pressure end and the described lock-up cylinder housing inner chamber.
As can be seen from the above technical solutions, the working principle of the lockable mechanism of odd-side protective system is as follows behind the gearbox provided by the utility model:
After the speed of a motor vehicle of automobile surpasses the highest speed in low-grade district, in the air inlet cavity of lockable mechanism, be filled with pressurized gas, this moment since the thrust end of lockup piston less than the diameter of pressure end, therefore the lockup piston elastic force that will overcome the elastic recovery part moves to the bearing of trend of lockup piston pressure end, and lockup piston will be no longer mobile when the annular protrusion of lockup piston pressure end contacts with the step surface of lock-up cylinder housing inner chamber; Since the height of annular protrusion greater than the shifting axle by the most high-grade displacement distance during to top grade district lowest gear shifting in top grade district, and less than the shifting axle by the top grade district the most high-grade to the low grade district displacement distance during high-grade shifting, therefore end shifting axle that locking body is installed still can freely be shifted gears in top grade district scope, but during owing to shifting gears from the top grade district to the low grade district, the distance that the shifting axle moves can be greater than the height of annular protrusion, therefore the lockup piston pressure end one side relative with locking body will limit the axially movement in low-grade district of shifting, hangs from the top grade district into low-grade district thereby realization prevents the shifting axle when high-speed running automobile;
In the time of in the speed of a motor vehicle is reduced to the low-grade scope of distinguishing, stop in the air inlet cavity, passing into high pressure air, and be communicated with the air inlet cavity by the relief opening of intake and exhaust conversion equipment, pressurized gas in the air inlet cavity are discharged, the elastic force lockup piston owing to the elastic recovery part will move back this moment, and till the piston seam face in thrust end and the described gearshift tower shell of finally moving to contact, owing to the restriction that has not had the lockup piston pressure end, the shifting axle can be realized being shifted gears to the low grade district by the high gear district.
This shows; the shifting axle that the lockable mechanism of odd-side protective system can prevent automobile behind the gearbox provided by the utility model when high-speed running automobile is hung into low-grade district by the top grade district; thereby effectively protect the gear mechanism of rear odd-side and whole gearbox, prolong the working life of whole speed variator system.
Description of drawings
The plan view of the lockable mechanism of odd-side protective system behind the gearbox that Fig. 1 provides for the utility model embodiment;
Fig. 2 for the gearbox that provides among Fig. 1 after the right elevation of lockable mechanism of odd-side protective system;
Fig. 3 for the gearbox that provides among Fig. 1 after the A-A of lockable mechanism of odd-side protective system to sectional view.
Embodiment
Core of the present utility model provides the lockable mechanism of odd-side protective system behind a kind of gearbox, and the lockable mechanism of this gearbox protective system can prevent effectively that automobile shifting axle when high speed operation from being hung the damage that rear odd-side and whole gearbox is caused into low-grade district by the top grade district.
In order to make those skilled in the art person understand better scheme of the present utility model, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Please also refer to Fig. 1 to Fig. 3; the plan view of the lockable mechanism of odd-side protective system behind the gearbox that Fig. 1 provides for the utility model embodiment; Fig. 2 for the gearbox that provides among Fig. 1 after the right elevation of lockable mechanism of odd-side protective system, Fig. 3 for the gearbox that provides among Fig. 1 after the A-A of lockable mechanism of odd-side protective system to sectional view.
The lockable mechanism of odd-side protective system comprises behind the gearbox disclosed in the utility model:
Gearshift tower shell 3, the inner chamber of gearshift tower shell 3 is provided with piston seam face 5;
Be arranged on the shifting axle 4 of gearshift tower shell 3 inside, an end of shifting axle 4 stretches out the end of gearshift tower shell 3, and automobile is in the shifting process, and shifting axle 4 meeting move left and right are so that different gears is meshed;
Be set in the lockup piston 7 on the shifting axle 4, one end of this lockup piston 7 is the thrust end that cooperates with the piston seam face 5 of gearshift tower shell 3 inner chambers, it is mobile that piston seam face 5 can stop that the thrust end of lockup piston 7 continues, and the thrust end cooperates with gearshift tower shell 3 bore seal, the other end of lockup piston 7 is that diameter is greater than the pressure end of thrust end, as shown in Figure 3, this end stretches out gearshift tower shell 3 ends and this end has the interval with gearshift tower shell 3 ends, so that gas can enter, the length that lockup piston 7 is stretched out gearshift tower shell 3 ends is less than the length that shifting axle 4 stretches out gearshift tower shell 3 ends, the edge that pressure end deviates from the one side of the tower shell 3 of shifting gears is provided with the annular protrusion 12 of whole circle, the height of this annular protrusion 12 greater than shifting axle 4 by the top grade district the most high-grade during to top grade district lowest gear shifting displacement distance and less than shifting axle 4 by the top grade district the most high-grade to the low grade district displacement distance during high-grade shifting;
Be arranged on the locking body 9 that shifting axle 4 stretches out gearshift tower shell 3 one ends, the diameter of this locking body 9 is greater than the diameter of shifting axle 4, and less than the diameter of the annular protrusion 12 of lockup piston 7 upward pressure ends, namely this locking body 9 can not run into the annular protrusion 12 of lockup piston 7 pressure end in the shifting process;
Be fixedly installed on the lock-up cylinder housing 2 of gearshift tower shell 3 ends, in order to guarantee the steadiness of lock-up cylinder housing 2, these lock-up cylinder housing 2 rearward end are fixedly installed on the gearshift tower shell 3 by 4 hexagon flange bolts, as shown in Figure 2, be provided with the step surface 10 that matches with annular protrusion 12 on the lockup piston 7 in the lock-up cylinder housing 2, the end face of this step surface 10 and shifting axle 4 be in high-grade district during high-grade position the operative end surface of locking body 9 concordant, lock-up cylinder housing 2 all is sealed and matched with the pressure end of gearshift tower shell 3 and lockup piston 7, and gearshift tower shell 3, lock-up cylinder housing 2 and lockup piston 7 and pressure end thereof form the air inlet cavity, as shown in Figure 3, wherein, the working surface of locking body 9 refers to the relative one side of power end of locking body 9 and lockup piston pressure 7;
Be arranged between the pressure end of lock-up cylinder housing 2 and lockup piston 7, be used for the elastic recovery part 8 of lockup piston 7 returns;
Be fixedly installed on the intake and exhaust conversion equipment on the lock-up cylinder housing, this intake and exhaust conversion equipment is mainly used in the conversion that is filled with and discharges to the pressurized gas in the air inlet cavity.
Certainly, under free state, when namely the thrust end of lockup piston 7 contacted with piston seam face 5, the distance of the pressure end of lockup piston 7 and lock-up cylinder housing 2 bottoms can guarantee that shifting axle 4 freely selects the gear shift position between top grade district and low-grade district.
The working principle of the lockable mechanism of odd-side protective system is as follows behind the gearbox provided by the utility model:
Please refer to Fig. 3, after the speed of a motor vehicle of automobile surpasses the highest speed in low-grade district, in the air inlet cavity of lockable mechanism, be filled with pressurized gas, this moment since the thrust end of lockup piston 7 less than the diameter of pressure end, and the air inlet cavity is seal chamber, therefore lockup piston 7 elastic force that will overcome elastic recovery part 8 moves right, and when the annular protrusion 12 of lockup piston 7 pressure end and lockup piston 7 after the step surface 10 of lock-up cylinder housing 2 inner chambers contacts will be no longer mobile; Since the height of annular protrusion 12 greater than shifting axle 4 by the most high-grade displacement distance during to top grade district lowest gear shifting in top grade district, and less than shifting axle 4 by the top grade district the most high-grade to the low grade district displacement distance during high-grade shifting, the locking body 9 of shifting axle 4 its end in moving process can not run into the annular protrusion 12 of lockup piston 7 pressure end, therefore end shifting axle 4 that locking body 9 is installed still can freely be shifted gears in top grade district scope, but during owing to shifting gears from the top grade district to the low grade district, the distance that shifting axle 4 moves can be greater than the height of annular protrusion 12, therefore the right side 11 of lockup piston 7 pressure end will limit locking body 9 to continue to be moved to the left, thereby 4 movements to the low grade district of restriction shifting axle realize finally preventing that shifting axle 4 from hanging from the top grade district into low grade distinguishes when high-speed running automobile;
In the time of in the speed of a motor vehicle is reduced to the low-grade scope of distinguishing, stop in the air inlet cavity, passing into high pressure air, and be communicated with the air inlet cavity by the relief opening of intake and exhaust conversion equipment, pressurized gas in the air inlet cavity are discharged, this moment is because the effect of the elastic force of elastic recovery part 8, lockup piston 7 will be moved to the left, and till finally moving to the thrust end and piston seam face 5 in the gearshift tower shell 3 contacting, because do not had the restriction of lockup piston 7 pressure end, shifting axle 4 can be realized being shifted gears to the low grade district by the high gear district.
This shows; the shifting axle that the lockable mechanism of odd-side protective system can effectively prevent automobile behind the gearbox provided by the utility model when high-speed running automobile is hung into low-grade district by the top grade district; thereby effectively protect the gear mechanism of rear odd-side and whole gearbox, prolong the working life of whole speed variator system.
Locking body 9 in above-described embodiment can be the structure of integral type with the shifting axle; also can be split type dismantled and assembled structure; in order to simplify the production technology of the locking body 9 of odd-side protective system behind the gearbox provided by the utility model; the locking body 9 preferred lock-nuts that are connected with shifting axle 4 end thread that adopt in the present embodiment; please refer to Fig. 3; the diameter of the operative end surface of lock-nut is greater than the diameter of shifting axle 4 and less than the diameter of the annular protrusion 12 of lockup piston 7 pressure end; can realize like this dismounting of locking body 9; in case locking body 9 is damaged, can also carry out easily the replacing of locking body 9.
Elastic recovery part 8 in above-described embodiment can have multiple way of realization, it for example can be elastic piece structure, also can be spring structure, for the convenience that arranges, the preferred return spring that is sheathed on the shifting axle 4 that adopts in the present embodiment, please refer to Fig. 3, one end of this return spring and the pressure end of lockup piston 7 offset, the bottom of the other end and lock-up cylinder housing 2 offsets, and this spring is in compressive state when this keying structure is in free state, the thrust end and the piston seam face 5 that guarantee lockup piston 7 offset, and the installation of this return spring should not affect the move left and right of shifting axle 4.
The lockable mechanism of odd-side protective system can adopt manual realization manual control behind the gearbox provided by the utility model, namely after the speed of a motor vehicle surpasses setting value, manual control high pressure admission switch, make the air inlet inside cavity of lockable mechanism be filled with pressurized gas, when the speed of a motor vehicle reduces when low-grade district, manual-lock high pressure admission switch, the relief opening of intake and exhaust conversion equipment is communicated with the air inlet cavity, pressurized gas in the air inlet cavity are discharged, thereby make the lockup piston return; But the control of this kind method is not too convenient; need to disperse driver's attention; therefore; in order to make things convenient for the automation control of odd-side protective system lockable mechanism behind this gearbox; intake and exhaust conversion equipment on the Locking Device in the present embodiment is the solenoid valve 1 that is arranged on the lock-up cylinder housing 2; this solenoid valve 1 is fixedly installed on the side of lock-up cylinder housing 2 by hexagon flange bolt; please refer to Fig. 1 and Fig. 3; be provided with the gas-entered passageway corresponding with the air inlet cavity 13 and exhaust passage in this solenoid valve; and for the suction port 14 that is connected with the high pressure air feedway; because solenoid valve 1 can be connected with terminal 16 on the solenoid valve 1 by control system; realization is by the opening and closing of the gas-entered passageway on the control system control solenoid valve 1; the corresponding speed of a motor vehicle in the time of can passing through in control system, to set the action of lockup piston 7 lockings like this; when the speed of a motor vehicle reaches this value; the gas-entered passageway that control system will be controlled on the solenoid valve 1 is opened; can realize like this automatic locking of lockup piston; for the safety that guarantees to drive a vehicle, the corresponding speed of a motor vehicle of lockup piston 7 revert actions should be set as the speed of a motor vehicle when being lower than above-mentioned lockup piston 7 lockings action.
When the speed of a motor vehicle reaches lockup piston 7 lockings and moves the corresponding speed of a motor vehicle, control system can be controlled the gas-entered passageway switch opens of solenoid valve, instantaneous high pressure air fails to be convened for lack of a quorum the air inlet cavity is caused strong impact, in order to reduce instantaneous impact force, be provided with annular pneumatic dashpots 15 corresponding with gas-entered passageway 13 and that circumferentially distribute along lock-up cylinder housing 2 at the inner chamber of lock-up cylinder housing 2 in the present embodiment, thereby make lockup piston 7 stressed even, prolong the working life of cylinder and piston.
Because the lockable mechanism of odd-side protective system adopts pneumatic control behind the gearbox that the utility model embodiment provides; therefore must guarantee the tightness between all parts; therefore in order to strengthen tightness, be provided with O RunddichtringO 6 between the solenoid valve 1 in the present embodiment and the lock-up cylinder housing 2.
Same reason is between the inner chamber of the thrust end of the lockup piston 7 in the present embodiment and gearshift tower shell 3, be provided with O RunddichtringO 6 between gearshift tower shell 3 and the lock-up cylinder housing 2 and between the inner chamber of the pressure end of lockup piston 7 and lock-up cylinder housing 2.
O RunddichtringO in above-described embodiment is standard piece, can greatly reduce manufacture cost like this.
In order to reduce the weight of part, reduce the additional force that lockup piston 7 produces in the course of the work, the lockup piston 7 in the present embodiment and lock-up cylinder housing 2 preferred aluminum lockup piston and the aluminum lock-up cylinder housings of adopting.
Certainly, the structure that it will be appreciated by persons skilled in the art that the lockable mechanism of odd-side protective system behind the gearbox provided by the utility model is equally applicable to adopt hydraulic pressure to control.
Used specific case herein principle of the present utility model and mode of execution are set forth, above embodiment's explanation just is used for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (8)
1. the lockable mechanism of odd-side protective system behind the gearbox is characterized in that, comprising:
Gearshift tower shell (3), the inner chamber of described gearshift tower shell (3) is provided with piston seam face (5);
Be arranged at the inner shifting axle (4) of described gearshift tower shell (3), an end of described shifting axle (4) stretches out described gearshift tower shell (3);
Be sheathed on the lockup piston (7) on the described shifting axle (4), one end of described lockup piston is the thrust end that cooperates with described piston seam face (5), and the thrust end cooperates with described gearshift tower shell (3) bore seal, the other end of lockup piston (7) is that diameter is greater than the pressure end of described thrust end, the end that described lockup piston (7) is provided with pressure end stretches out described gearshift tower shell (3) and has the interval with shifting tower shell (3) end, the edge that described pressure end deviates from the one side of described gearshift tower shell (3) is provided with annular protrusion (12), the height of described annular protrusion (12) greater than described shifting axle (4) by the top grade district the most high-grade during to top grade district lowest gear shifting displacement distance and less than described shifting axle (4) by the top grade district the most high-grade to the low grade district displacement distance during high-grade shifting;
Be fixedly installed on the locking body (9) that described shifting axle (4) stretches out described gearshift tower shell (3) one ends, the diameter of described locking body (9) is greater than described shifting axle (4), and less than the diameter of annular protrusion (12);
Be fixedly installed on the lock-up cylinder housing (2) of described gearshift tower shell (3) end, be provided with the step surface (10) that matches with described annular protrusion (12) in the described lock-up cylinder housing (2), it is concordant with the operative end surface of described locking body (9) when the most high-grade that the end face of described step surface (10) is in high-grade district at described shifting axle (4), described lock-up cylinder housing (2) all is sealed and matched with the pressure end of described gearshift tower shell (3) and described lockup piston (7), and described gearshift tower shell (3), lock-up cylinder housing (2) and described lockup piston (7) and pressure end thereof form the air inlet cavity;
Be arranged between the pressure end of described lock-up cylinder housing (2) and described lockup piston (7), be used for the elastic recovery part (8) of described lockup piston (7) return;
The intake and exhaust conversion equipment, described intake and exhaust conversion equipment links to each other with described air inlet cavity.
2. the lockable mechanism of odd-side protective system behind the gearbox according to claim 1 is characterized in that, the lock-nut of described locking body (9) for being threaded with described shifting axle (4).
3. the lockable mechanism of odd-side protective system behind the gearbox according to claim 1; it is characterized in that; described elastic recovery part (8) is for being sheathed on the described shifting axle (4) and the pressure end of an end and described lockup piston (7) offsets, the return spring that the other end and described lock-up cylinder housing (2) end offset.
4. the lockable mechanism of odd-side protective system behind the gearbox according to claim 1; it is characterized in that; described intake and exhaust conversion equipment is provided with gas-entered passageway (13) and the exhaust passage corresponding with described air inlet cavity for being fixedly installed on the solenoid valve (1) on the described lock-up cylinder housing (2) in the described solenoid valve (1).
5. the lockable mechanism of odd-side protective system behind the gearbox according to claim 4 is characterized in that, also comprises on the inner chamber that is arranged at described lock-up cylinder housing (2) and the annular pneumatic dashpot (15) corresponding with described gas-entered passageway (13).
6. the lockable mechanism of odd-side protective system behind the gearbox according to claim 4 is characterized in that, is provided with O RunddichtringO (6) between described solenoid valve (1) and the described lock-up cylinder housing (2).
7. the lockable mechanism of odd-side protective system behind the described gearbox of any one is characterized in that according to claim 1-6, and described lockup piston (7) is aluminium matter lockup piston, and described lock-up cylinder housing (2) is aluminium matter lock-up cylinder housing.
8. the lockable mechanism of odd-side protective system behind the gearbox according to claim 1; it is characterized in that, between the inner chamber of the thrust end of described lockup piston (7) and described gearshift tower shell (3), be provided with O RunddichtringO (6) between described gearshift tower shell (3) and the described lock-up cylinder housing (2) and between the inner chamber of the pressure end of described lockup piston (7) and described lock-up cylinder housing (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220564429 CN202914713U (en) | 2012-10-30 | 2012-10-30 | A locking mechanism of gearbox back ancillary box protecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220564429 CN202914713U (en) | 2012-10-30 | 2012-10-30 | A locking mechanism of gearbox back ancillary box protecting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202914713U true CN202914713U (en) | 2013-05-01 |
Family
ID=48163030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220564429 Withdrawn - After Issue CN202914713U (en) | 2012-10-30 | 2012-10-30 | A locking mechanism of gearbox back ancillary box protecting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202914713U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103671886A (en) * | 2013-12-02 | 2014-03-26 | 陕西法士特齿轮有限责任公司 | Transmission protection system |
| CN103791077A (en) * | 2012-10-30 | 2014-05-14 | 上海索达传动机械有限公司 | Lock mechanism for gearbox rear auxiliary box protection system |
-
2012
- 2012-10-30 CN CN 201220564429 patent/CN202914713U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103791077A (en) * | 2012-10-30 | 2014-05-14 | 上海索达传动机械有限公司 | Lock mechanism for gearbox rear auxiliary box protection system |
| CN103791077B (en) * | 2012-10-30 | 2016-03-30 | 上海索达传动机械有限公司 | The lockable mechanism of odd-side protective system after a kind of gearbox |
| CN103671886A (en) * | 2013-12-02 | 2014-03-26 | 陕西法士特齿轮有限责任公司 | Transmission protection system |
| CN103671886B (en) * | 2013-12-02 | 2016-01-20 | 陕西法士特齿轮有限责任公司 | A kind of transmission protection system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130501 Effective date of abandoning: 20160330 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |