CN204553598U - Power transmission between motor and gear pump and shut-off means - Google Patents
Power transmission between motor and gear pump and shut-off means Download PDFInfo
- Publication number
- CN204553598U CN204553598U CN201520115542.3U CN201520115542U CN204553598U CN 204553598 U CN204553598 U CN 204553598U CN 201520115542 U CN201520115542 U CN 201520115542U CN 204553598 U CN204553598 U CN 204553598U
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- gear pump
- angle
- arm
- shaft
- flip sleeve
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- Details And Applications Of Rotary Liquid Pumps (AREA)
Abstract
The utility model relates to tractor dynamic power transmission control technology field, provide the power transmission between a kind of motor and gear pump and shut-off means, engine shaft and gear pump shaft concentric and be oppositely arranged, this device comprises flip sleeve, fork, transitional shell and dead man, flip sleeve is sheathed on engine shaft and gear pump shaft movably, and all can form key with engine shaft and gear pump shaft and be connected; Fork takes the shape of the letter U, and two ends are rotationally connected with the both sides of flip sleeve respectively; Transitional shell is arranged in engine shaft or gear pump rotating shaft, and comprise the mounting plate of the side being positioned at flip sleeve, mounting plate is provided with mounting hole; Dead man comprises first arm of angle at an angle to each other and second arm of angle, and first arm of angle wears and is rotationally connected with mounting hole, and is fixedly connected with the U-shaped bottom of fork.The utility model structure is simple, easy to operate, falls the kinetic equation loss of end motor, reduces the operating time of gear pump, extends the working life of gear pump.
Description
Technical field
The utility model relates to tractor dynamic power transmission control technology field, provides the power transmission between a kind of motor and gear pump and shut-off means especially.
Background technique
The gear pump that current tractor uses directly is connected with motor, as long as engine start, gear pump is just started working, and the effect of gear pump provides high-voltage oil liquid for lift cylinder, when lift cylinder does not work, gear pump still works, the hydraulic oil that now gear pump is drawn flows back to fuel tank through hydraulic oil pipeline, and that causes hydraulic oil holds the flowing that continues, the temperature rising of hydraulic oil and the kinetic equation loss of motor, has also fallen at the end working life of gear pump simultaneously.
Model utility content
(1) technical problem that will solve
The purpose of this utility model be to provide a kind of can for providing the control gear of power transmission and cut-out between motor and gear pump when lift cylinder does not work.
(2) technological scheme
For achieving the above object, the utility model provides power transmission between a kind of motor and gear pump and shut-off means, engine shaft and gear pump shaft concentric and be oppositely arranged, and this device comprises:
Flip sleeve, described flip sleeve is sheathed on described engine shaft and gear pump shaft movably, and all can form key with described engine shaft and gear pump shaft and be connected, making described engine shaft and described gear pump shaft be formed during for being sheathed at the same time on described engine shaft and gear pump shaft to be in transmission connection, making when being sheathed on separately on described engine shaft or gear pump shaft being in transmission connection between described engine shaft and described gear pump shaft disconnect;
Fork, described fork takes the shape of the letter U, and two ends are rotationally connected with the both sides of described flip sleeve respectively;
Transitional shell, described transitional shell is arranged in described engine shaft or gear pump rotating shaft, and described transitional shell comprises mounting plate, and described mounting plate is positioned at the side of described flip sleeve, and described mounting plate is provided with mounting hole; And
Dead man, described dead man comprises first arm of angle at an angle to each other and second arm of angle, and described first arm of angle wears and is rotationally connected with described mounting hole, and is fixedly connected with the U-shaped bottom of described fork.
Preferably, described mounting plate is parallel with the axial direction of described flip sleeve, and described first arm of angle is mutually vertical with described second arm of angle.
Preferably, the Placement of described flip sleeve and described engine shaft and gear pump shaft is spline joint.
Preferably, described fork is fixedly connected with described first arm of angle by the oval styletable Cock screw of fluting.
Preferably, also comprise locking structure, described locking structure comprises:
Limiting board, described limiting board is arranged on side relative with described flip sleeve on described mounting plate, described limiting board is provided with elongated hole, the two ends of described elongated hole are equipped with the spliced eye that diameter is greater than the width of described elongated hole, described second arm of angle is arranged in described elongated hole swingably, when described second arm of angle is rocked in spliced eye described in one of them, described flip sleeve is sheathed on described engine shaft and gear pump shaft simultaneously, when described second arm of angle is rocked in spliced eye described in another, described flip sleeve is sheathed on separately described engine shaft or gear pump shaft;
Bounding means, described bounding means is arranged on the end of described second arm of angle;
First spring, described second arm of angle is located at by described first spring housing, and one end is against on described bounding means; And
Dead man cover, described dead man cover is sheathed on described second arm of angle, inside is provided with the first boss, the other end of described first boss and described first spring offsets and arranges, described dead man cover one end relative with described nut is provided with the less cutting graftage part of diameter, diameter and the described spliced eye of described cutting graftage part adapt, and described cutting graftage part is used for forming pluggable cooperation with described spliced eye.
Preferably, compress between described flip sleeve and described transitional shell and be provided with the second spring.
Preferably, described limiting board is the arc adapted with the radius of gyration of the corresponding joint of described second arm of angle.
Preferably, described transitional shell is arranged on described gear pump shaft.
(3) beneficial effect
Power transmission between a kind of motor and gear pump and shut-off means, engine shaft and gear pump shaft concentric and be oppositely arranged, this device comprises flip sleeve, fork, transitional shell and dead man, flip sleeve is sheathed on engine shaft and gear pump shaft movably, and all can form key with engine shaft and gear pump shaft and be connected; Fork takes the shape of the letter U, and two ends are rotationally connected with the both sides of flip sleeve respectively; Transitional shell is arranged in engine shaft or gear pump rotating shaft, and transitional shell comprises mounting plate, and mounting plate is positioned at the side of flip sleeve, and mounting plate is provided with mounting hole; Dead man comprises first arm of angle at an angle to each other and second arm of angle, and first arm of angle wears and is rotationally connected with mounting hole, and is fixedly connected with the U-shaped bottom of fork.Structure is simple, easy to operate, falls the kinetic equation loss of end motor, reduces the operating time of gear pump, extends the working life of gear pump, falls the flowing frequency of end hydraulic oil, prevent hydraulic fluid temperature from raising.
Accompanying drawing explanation
Fig. 1 is the side view of power transmission between a kind of motor of the utility model embodiment and gear pump and shut-off means;
Fig. 2 is the side view of power transmission between a kind of motor of the utility model embodiment in Fig. 1 under A condition and gear pump and shut-off means;
Fig. 3 is the side view of power transmission between a kind of motor of the utility model embodiment in Fig. 1 under B state and gear pump and shut-off means;
Fig. 4 is the side view of the limiting board in the utility model embodiment;
Fig. 5 is the plan view of the limiting board in the utility model embodiment;
Fig. 6 is the sectional view of power transmission between a kind of motor of the utility model embodiment and gear pump and shut-off means.
Reference character:
1, bounding means; 2, dead man cover; 3, the first spring; 4, limiting board; 41, elongated hole; 42, spliced eye; 5, bolt; 6, dead man; 61, first arm of angle; 62, second arm of angle; 7, transitional shell; 8, to slot oval styletable Cock screw; 9, fork; 10, flip sleeve; 11, engine shaft; 12, gear pump shaft; 13, the second spring.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples for illustration of the utility model, but are not used for limiting scope of the present utility model.
In description of the present utility model, except as otherwise noted, term " on ", D score, " top ", " bottom ", the orientation of the instruction such as " longitudinal direction " or state relation be based on orientation shown in the drawings or state relation, only the utility model and simplified characterization for convenience of description, instead of the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be directly be connected, also indirectly can be connected by intermediary.For the ordinary skill in the art, concrete condition the concrete meaning of above-mentioned term in the utility model can be understood.
Shown in composition graphs 1, Fig. 2 and Fig. 3, the utility model provides power transmission between a kind of motor and gear pump and shut-off means, engine shaft 11 is with gear pump shaft 12 concentric and be oppositely arranged, and preferably has certain interval, avoid contact to produce friction between engine shaft 11 and gear pump shaft 12; This device comprises flip sleeve 10, fork 9, transitional shell 7 and dead man 6.
Flip sleeve 10 is sheathed on engine shaft 11 and gear pump shaft 12 movably, both can be sheathed on engine shaft 11 and gear pump shaft 12 simultaneously, also can be set in separately on any one axle, and flip sleeve 10 all can form key with engine shaft 11 and gear pump shaft 12 to be connected, key connects the spline joint that preferably join strength is higher, make engine shaft 11 and gear pump shaft 12 be formed during for being sheathed at the same time on engine shaft 11 and gear pump shaft 12 to be in transmission connection, make being in transmission connection between engine shaft 11 and gear pump shaft 12 disconnect when being sheathed on separately on engine shaft 11 or gear pump shaft 12.
Again shown in composition graphs 6, fork 9 takes the shape of the letter U, and two ends are rotationally connected with the both sides of flip sleeve 10 respectively, specifically can arrange chute in the both sides of rotating sleeve, arranges the pin rod extended internally, coordinate formation to be rotationally connected by pin rod with the grafting of chute at the two ends of fork 9.
Transitional shell 7 both can be arranged on engine shaft, also can be arranged in gear pump rotating shaft, and together rotated with engine shaft 11 or gear pump shaft 12 accordingly; Transitional shell 7 comprises mounting plate, and mounting plate is positioned at the side of flip sleeve 10, and mounting plate is provided with mounting hole, and mounting plate is preferably parallel with flip sleeve 10, and mounting hole is vertically opened in mounting plate, and namely the perforate direction of mounting hole is mutually vertical with flip sleeve 10.
Dead man 6 comprises first arm of angle 61 and second arm of angle 62 at an angle to each other, first arm of angle 61 and second arm of angle 62 are preferably mutually vertical, first arm of angle 61 wears and is rotationally connected with mounting hole, and be fixedly connected with the U-shaped bottom of fork 9, be fixedly connected with first arm of angle 61 preferably by the oval styletable Cock screw 8 of fluting, for convenience detach, second arm of angle 62 is positioned at the opposite side of mounting plate, by pulling second arm of angle 62, first arm of angle 61 is rotated, and then drive fork 9 to swing, because the swinging center of fork 9 is relatively fixing, and the top of fork 9 is a camber line, the movement that the pin rod at fork 9 two ends rotates and adapts in the chute of flip sleeve 10 both sides, final drive flip sleeve 10 slides along engine shaft 11 and gear pump shaft 12, make engine shaft 11 and gear pump shaft 12 be formed when being sheathed at the same time on engine shaft 11 and gear pump shaft 12 to be in transmission connection, make being in transmission connection between engine shaft 11 and gear pump shaft 12 disconnect when being sheathed on separately on engine shaft 11 or gear pump shaft 12.
As shown in Figure 6, preferably, said apparatus also comprises locking structure, and this locking structure comprises limiting board 4, bounding means 1, first spring 3 and dead man cover 2.
Again shown in composition graphs 4 and Fig. 5, limiting board 4 arranges side relative with flip sleeve 10 on a mounting board, and limiting board 4 is provided with elongated hole 41, and the cross section of limiting board 4 is L-type, and one side is connected with mounting plate by bolt 5, and elongated hole 41 is arranged on another side; The two ends of elongated hole 41 are equipped with the spliced eye 42 that diameter is greater than the width of elongated hole 41, second arm of angle 62 is arranged in this elongated hole 41, and can swing in this elongated hole 41, when second arm of angle 62 is rocked in one of them spliced eye 42, flip sleeve 10 is sheathed on engine shaft 11 and gear pump shaft 12 simultaneously, when second arm of angle 62 is rocked in another spliced eye 42, flip sleeve 10 is sheathed on separately engine shaft 11 or gear pump shaft 12.
Bounding means 1 is arranged on the end of second arm of angle 62, and bounding means 1 can elect nut as, is connected with the end thread of second arm of angle 62, easy for installation.
First spring 3 is sheathed on second arm of angle 62, and one end is against on bounding means 1.
Dead man cover 2 is sheathed on second arm of angle 62, inside is provided with the first boss, the other end of the first boss and the first spring 3 offsets and arranges, one end that dead man cover 2 is relative with nut is provided with the less cutting graftage part of diameter, diameter and the spliced eye 42 of cutting graftage part adapt, and cutting graftage part is used for forming pluggable cooperation with spliced eye 42.
In the power transmission changed between motor and gear pump and cutting-off process, when second arm of angle 62 is rocked to one end of elongated hole 41, under the elastic force effect of the first spring 3, the cutting graftage part that dead man overlaps 2 ends is inserted in the spliced eye 42 of elongated hole 41 one end automatically, forms the locking to second arm of angle 62; The other end second arm of angle 62 pulled to elongated hole 41 if now want, need to carry on dead man cover 2, extract from spliced eye 42, the other end again to spliced eye 42 moves, in the process of movement, decontrol the power carried on dead man cover 2, when dead man cover 2 slides into the other end of elongated hole 41, the cutting graftage part that dead man overlaps 2 bottoms is just inserted into the locking of forming position in the spliced eye 42 of elongated hole 41 the other end automatically.
Wherein, compress between flip sleeve 10 and transitional shell 7 and be provided with the second spring 13, when the state shift power transmission state making to be disconnected by power transmission between motor and gear pump, the cutting graftage part that dead man only need be made to overlap 2 is deviate from from the spliced eye 42 of elongated hole 41 one end, flip sleeve 10 just automatically slides to engine shaft 11 from gear pump shaft 12 under the elastic force effect of the second spring 13, or slide to gear pump shaft 12 from engine shaft 11, and when flip sleeve 10 is firm contact with engine shaft 11 or gear pump shaft 12 time, the thrust provided due to the second spring 13 is continuous and soft, flip sleeve 10 naturally can be set up key with engine shaft 11 or gear pump shaft 12 and be connected, otherwise, if thrust is by manually providing, because the size of thrust is unstable, and poor continuity, easily cause flip sleeve 10, with engine shaft 11 or gear pump shaft 12, rigid impulse occurs, thus cause the damage of spline.
Wherein, limiting board 4 is the arc adapted with the radius of gyration of the corresponding joint of second arm of angle 62, and flip sleeve 10 slides along the arcuate surface of limiting board 4, and resistance is balanced.
Wherein, transitional shell 7 is preferably mounted on gear pump shaft 12, and gear pump shaft 12 is driven shafts, and engine shaft 11 is driving shafts, is not arranged on engine shaft 11 and the cold start-up of inertia to motor can be avoided to cause burden.
The utility model structure is simple, easy to operate, falls the kinetic equation loss of end motor, reduces the operating time of gear pump, extends the working life of gear pump, falls the flowing frequency of end hydraulic oil, prevent hydraulic fluid temperature from raising.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model know-why; can also make some improvement and replacement, these improve and replace and also should be considered as protection domain of the present utility model.
Claims (8)
1. the power transmission between motor and gear pump and a shut-off means, is characterized in that, engine shaft (11) and gear pump shaft (12) concentric and be oppositely arranged, and this device comprises:
Flip sleeve (10), described flip sleeve (10) is sheathed on described engine shaft (11) and gear pump shaft (12) movably, and all can form key with described engine shaft (11) and gear pump shaft (12) and be connected, make described engine shaft (11) and described gear pump shaft (12) be formed during for being sheathed at the same time on described engine shaft (11) and gear pump shaft (12) to be in transmission connection, when being sheathed on separately described engine shaft (11) or gear pump shaft (12) is upper, being in transmission connection between described engine shaft (11) and described gear pump shaft (12) is disconnected,
Fork (9), described fork (9) takes the shape of the letter U, and two ends are rotationally connected with the both sides of described flip sleeve (10) respectively;
Transitional shell (7), described transitional shell (7) is arranged in described engine shaft or gear pump rotating shaft, described transitional shell (7) comprises mounting plate, described mounting plate is positioned at the side of described flip sleeve (10), and described mounting plate is provided with mounting hole; And
Dead man (6), described dead man (6) comprises first arm of angle (61) at an angle to each other and second arm of angle (62), described first arm of angle (61) wears and is rotationally connected with described mounting hole, and is fixedly connected with the U-shaped bottom of described fork (9).
2. the power transmission between motor according to claim 1 and gear pump and shut-off means, it is characterized in that, described mounting plate is parallel with the axial direction of described flip sleeve (10), and described first arm of angle (61) is mutually vertical with described second arm of angle (62).
3. the power transmission between motor according to claim 1 and gear pump and shut-off means, it is characterized in that, described flip sleeve (10) is spline joint with the Placement of described engine shaft (11) and gear pump shaft (12).
4. the power transmission between motor according to claim 1 and gear pump and shut-off means, it is characterized in that, described fork (9) is fixedly connected with described first arm of angle (61) by the oval styletable Cock screw (8) of fluting.
5. the motor according to any one of Claims 1-4 and the power transmission between gear pump and shut-off means, it is characterized in that, also comprise locking structure, described locking structure comprises:
Limiting board (4), described limiting board (4) is arranged on side relative with described flip sleeve (10) on described mounting plate, described limiting board (4) is provided with elongated hole (41), the two ends of described elongated hole (41) are equipped with the spliced eye (42) that diameter is greater than the width of described elongated hole (41), described second arm of angle (62) is arranged in described elongated hole (41) swingably, when described second arm of angle (62) is rocked in spliced eye described in one of them (42), described flip sleeve (10) is sheathed on described engine shaft (11) and gear pump shaft (12) simultaneously, when described second arm of angle (62) is rocked in spliced eye described in another (42), described flip sleeve (10) is sheathed on separately described engine shaft (11) or gear pump shaft (12),
Bounding means (1), described bounding means (1) is arranged on the end of described second arm of angle (62);
First spring (3), described first spring (3) is sheathed on described second arm of angle (62), and one end is against on described bounding means (1); And
Dead man cover (2), described dead man cover (2) is sheathed on described second arm of angle (62), inside is provided with the first boss, the other end of described first boss and described first spring (3) offsets and arranges, described dead man cover (2) one end relative with described bounding means (1) is provided with the less cutting graftage part of diameter, diameter and the described spliced eye (42) of described cutting graftage part adapt, and described cutting graftage part is used for forming pluggable cooperation with described spliced eye (42).
6. the power transmission between motor according to claim 5 and gear pump and shut-off means, is characterized in that, compresses and be provided with the second spring (13) between described flip sleeve (10) and described transitional shell (7).
7. the power transmission between motor according to claim 5 and gear pump and shut-off means, is characterized in that, described limiting board (4) is the arc adapted with the radius of gyration of the corresponding joint of described second arm of angle (62).
8. the power transmission between motor according to claim 1 and gear pump and shut-off means, is characterized in that, described transitional shell (7) is arranged on described gear pump shaft (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520115542.3U CN204553598U (en) | 2015-02-25 | 2015-02-25 | Power transmission between motor and gear pump and shut-off means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520115542.3U CN204553598U (en) | 2015-02-25 | 2015-02-25 | Power transmission between motor and gear pump and shut-off means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204553598U true CN204553598U (en) | 2015-08-12 |
Family
ID=53828713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520115542.3U Expired - Fee Related CN204553598U (en) | 2015-02-25 | 2015-02-25 | Power transmission between motor and gear pump and shut-off means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204553598U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108518428A (en) * | 2018-04-17 | 2018-09-11 | 广州华立科技职业学院 | A kind of mechanical clutch |
-
2015
- 2015-02-25 CN CN201520115542.3U patent/CN204553598U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108518428A (en) * | 2018-04-17 | 2018-09-11 | 广州华立科技职业学院 | A kind of mechanical clutch |
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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: 20150812 Termination date: 20200225 |