CN204140849U - Mini-tiller power output switching device - Google Patents
Mini-tiller power output switching device Download PDFInfo
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- CN204140849U CN204140849U CN201420583709.4U CN201420583709U CN204140849U CN 204140849 U CN204140849 U CN 204140849U CN 201420583709 U CN201420583709 U CN 201420583709U CN 204140849 U CN204140849 U CN 204140849U
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- drag
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- fixing column
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Abstract
The utility model provides a kind of Mini-tiller power output switching device, comprise casing and be arranged on the pto＝power take-off in casing, pto＝power take-off front end sleeve has the first spline housing of band pawl, the pto＝power take-off at this first spline housing rear is provided with limited step, the first spring is provided with between this first spline housing and limited step, first spline housing is also provided with a circle and stirs boss, casing is also provided with drag-line fixing column and shifting block, drag-line fixing column is fixed on casing, shifting block is arranged on casing by bearing pin, drag-line first end is connected on drag-line fixing column, second end is connected with operating device through shifting block, the second spring is provided with between this drag-line fixing column and shifting block, the struck side of shifting block is positioned at stirs boss front, and with stir boss and coordinate.The joint that the utility model can realize microtilling machine operation mechanism power by simple structure be separated, powershift is convenient, and easy to operate, rapid.
Description
Technical field
The utility model relates to technical field of agricultural machinery, particularly a kind of Mini-tiller power output switching device.
Background technique
Microtilling machine for power, is widely used in the nonirrigated farmland, paddy field, orchard etc. on Plain, mountain area, hills with small diesel engine or petrol engine.In agricultural production, general small-scale, cultivating of automation all adopt microtilling machine.The existing power of its traveller of microtilling machine and the power of operation mechanism are provided by same driving mechanism, power is operationally needed to access to operation mechanism and traveller, and in transport process, usually to close the power of operation mechanism, only power is connected to traveller, in order to avoid bring inconvenience.But the powershift mechanism structure more complicated of existing microtilling machine, operates more loaded down with trivial details, is unfavorable for the real-time switching of power.
Model utility content
The shortcoming of prior art in view of the above, the purpose of this utility model is to provide that a kind of structure is simple, the Mini-tiller power output switching device of convenient operation.
For achieving the above object and other relevant objects, the utility model provides a kind of Mini-tiller power output switching device, comprise casing and be arranged on the pto＝power take-off in casing, described Power output axle head cover has the first spline housing of band pawl, the pto＝power take-off at this first spline housing rear is provided with limited step, the first spring is provided with between this first spline housing and limited step, described first spline housing is also provided with a circle and stirs boss, described casing is also provided with drag-line fixing column and shifting block, described drag-line fixing column is fixed on casing, described shifting block is arranged on casing by bearing pin, drag-line first end is connected on drag-line fixing column, second end is connected with operating device through described shifting block, the second spring is provided with between this drag-line fixing column and shifting block, boss front is stirred described in the struck side of described shifting block is positioned at, and with stir boss and coordinate.
Adopt said structure, first spline housing is connected with pto＝power take-off front end by spline, and can on pto＝power take-off slide anteroposterior, pto＝power take-off front end is the clutch end of pto＝power take-off, during normality, operation mechanism's access casing, first spline housing moves forward under the first acting force of the spring, and coordinate transferring power with the power incoming end in operation mechanism, when needing the power disconnecting operation mechanism, operator pull drag-line by operating device, because drag-line one end is connected on drag-line fixing column, therefore the struck side of shifting block is made to move backward, a power is backward applied to stirring boss, first spline housing moves backward, depart from operation mechanism, realize the disconnection of power.After unclamping this operating device, under the second acting force of the spring, make shifting block struck side move forward reset, the first spline housing moves forward under the first spring action, and the power realizing operation mechanism engages, and this mechanism structure is simple, easy to operate, can realize powershift fast.
As preferably: described casing upper side wall offers shifting block mounting hole, described shifting block mounting hole edge raises up formation flange, described bearing pin is laterally arranged on this flange, described shifting block is vertically arranged in shifting block mounting hole, its lower end coordinates with described boss of stirring, and upper end laterally offers drag-line via hole.
As preferably: described drag-line fixing column is vertically arranged on the casing in shifting block front, this drag-line fixing column laterally offers drag-line fixed hole, described drag-line first end is through drag-line fixed hole, and fixed by the fastening piece being arranged on drag-line fixing column side, drag-line second end end is connected with operating device through described drag-line via hole.
As preferably: be provided with dust-proof cover above described shifting block mounting hole, this dust-proof cover is arranged on described flange, and described drag-line fixed hole is at least two, is vertically distributed on drag-line fixing column.
Be arranged in the drag-line fixed hole of diverse location, the adjustment of different pulling force can be realized, meet different pulling force demand.
As preferably: described second spring housing is outside drag-line, and this second spring one end is connected with shifting block upper end, and the other end is connected with described drag-line fixing column, described operating device is be arranged on handrail pulls handle.
As preferably: described shifting block bottom is provided with at least two mounting holes, and described mounting hole is vertically distinguished, and one of them mounting hole coordinates with bearing pin.
As preferably: described drag-line fixing column lower end has outside thread, and cabinet exterior is stretched in this drag-line fixing column lower end, and is threaded with casing.
As preferably: described pto＝power take-off is arranged on casing by bearing, and its rear end is connected with driving mechanism.
As preferably: described casing front offers the attachment hole for operation mechanism's power access, and this attachment hole is corresponding with described pto＝power take-off.
As preferably: described first spline housing is three-jaw cutting ferrule, and the claw of this first spline housing toward the front.
As preferably: also comprise for transferring power to the transmission shaft of operation mechanism, the power incoming end cover of this transmission shaft has the second spline housing of band pawl, the claw of this second spline housing to coordinate with the claw of described first spline housing to carry out transmission of power.
As mentioned above, the beneficial effects of the utility model are: the joint that can realize microtilling machine operation mechanism power by simple structure be separated, powershift is convenient, and easy to operate, laborsaving and rapidly.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the structural representation of the first spline housing in the utility model embodiment;
Fig. 3 is the structural representation of the function accessories coordinated with pto＝power take-off in the utility model embodiment;
Fig. 4 is the structural representation of the two the first spline housings in Fig. 3.
Piece mark explanation
1 casing
2 pto＝power take-offs
3 first spline housings
4 limited steps
5 first springs
6 stir boss
7 bearings
8 oil sealings
9 dust-proof cover
10 shifting blocks
11 drag-line fixing columns
12 drag-lines
13 second springs
14 drag-line fixed holes
15 claws
16 bearing pins
17 flanges
18 mounting holes
19 attachment holes
20 drag-line via holes
21 fastening pieces
22 shifting block mounting holes
23 second spline housings
24 transmission shafts
25 transmission shaft supporting sleeves
26 linings.
Embodiment
By particular specific embodiment, mode of execution of the present utility model is described below, person skilled in the art scholar the content disclosed by this specification can understand other advantages of the present utility model and effect easily.
As depicted in figs. 1 and 2, the utility model provides a kind of Mini-tiller power output switching device, comprise casing 1 and be arranged on the pto＝power take-off 2 in casing 1, this routine medium power output shaft 2 is worm screw, casing 1 front offers the attachment hole 19 for operation mechanism's power access, this attachment hole 19 is corresponding with pto＝power take-off 2, pto＝power take-off 2 is arranged on casing 1 by bearing 7 and oil sealing 8, its rear end is connected with driving mechanism, its front end sleeve has the first spline housing 3 of band pawl, the front end of pto＝power take-off 2 is clutch end, and rear end is power intake.The pto＝power take-off 2 at this first spline housing 3 rear is provided with limited step 4, the first spring 5 is provided with between this first spline housing 3 and limited step 4, first spring 5 one end is against on limited step 4, the other end is against the first spline housing 3 rear end, first spline housing 3 rear portion is also provided with a circle and stirs boss 6, shifting block 10 is also provided with above casing 1, casing 1 upper side wall offers shifting block mounting hole 22, shifting block mounting hole 22 edge raises up and forms flange 17, bearing pin 16 is laterally arranged on this flange 17, shifting block 10 is vertically arranged in shifting block mounting hole 22 by bearing pin 16, in this example, bearing pin 16 is elastic cylindrical pin, the length of the shifting block 10 above bearing pin 16 is longer than below, form a lever construction, be provided with for preventing foreign material from entering dust-proof cover 9 in casing 1 above shifting block mounting hole 22, this dust-proof cover 9 is arranged on flange 17, the lower end of shifting block 22 is positioned at stirs boss 6 front, and with stir boss 6 and coordinate, upper end laterally offers drag-line via hole 20, drag-line fixing column 11 is vertically arranged on the casing 1 in shifting block 10 front, drag-line fixing column 11 lower end has outside thread, casing 1 outer wall is stretched in this drag-line fixing column 11 lower end, and be threaded with casing 1, drag-line 12 first end is connected on drag-line fixing column 11, second end is connected with operating device (not shown) through shifting block 10, the second spring 13 is provided with between this drag-line fixing column 11 and shifting block 10, second spring 13 is enclosed within outside drag-line 12, this the second spring 13 one end is connected with shifting block 10 upper end, the other end is connected with drag-line fixing column 11, drag-line fixing column 11 laterally offers drag-line fixed hole 14, drag-line 12 first end is through drag-line fixed hole 14, and fixed by the fastening piece 21 being arranged on drag-line fixing column 11 side, fastening piece 21 is screw bolt and nut combination, the first end of drag-line 12 is clamped, drag-line 12 second end is connected with operating device through drag-line via hole 20, operating device is be arranged on handrail pulls handle.
In this example, drag-line fixed hole 14 is two, is vertically distributed on drag-line fixing column 11, when in the drag-line fixed hole 14 being arranged on diverse location, realizes the adjustment of different pulling force, meets different pulling force demand.Shifting block 10 bottom is provided with two mounting holes 18, and mounting hole 18 vertically distributes, and one of them mounting hole 18 coordinates with bearing pin 16.First spline housing 3 is three-jaw cutting ferrule, and toward the front, claw coordinates with operation mechanism and carries out power transmission the claw of this first spline housing 3, and casing 1 is gearbox, and the power of driving mechanism passes to traveller and operation mechanism by pto＝power take-off 2.
As shown in Figure 3 and Figure 4, for the structural representation of operation mechanism, wherein working portion is arranged on transmission shaft 24 front end, transmission shaft 24 is arranged in transmission shaft supporting sleeve 25 by bearing, the rear end cover of transmission shaft 24 has lining 26 and the second spline housing 23, second spline housing 23 is three grab cutting ferrule, its claw 15 is towards rear, a side of each claw 15 of the second spline housing 23 is plane of inclination, be convenient to the first spline housing 3 in conjunction with time cut, during installation, transmission shaft supporting sleeve 25 rear end is stretched in the attachment hole 19 of casing 1, second spline housing 23 and transmission shaft 24 spline fitted, synchronous rotary, by the combination of the first spline housing 3 and the second spline housing 23 be separated the switching realizing power.
The working principle of this device is as follows:
First spline housing 3 is connected with pto＝power take-off 2 front end by spline, and can on pto＝power take-off 2 slide anteroposterior, during normality, operation mechanism connected attachment hole 19 and entered casing 1, first spline housing 3 moves forward under the first spring 5 active force, and the second spline housing 23 in operation mechanism is in conjunction with transferring power, when needing the power disconnecting operation mechanism, operator pull drag-line 12 by operating device, because drag-line 12 one end is connected on drag-line fixing column 11, therefore the struck side of shifting block 10 is made to move backward, a power is backward applied to stirring boss 6, first spline housing 3 moves backward, depart from the second spline housing 23 of operation mechanism, realize the disconnection of power.After unclamping this operating device, under the second spring 13 active force, make shifting block 10 struck side move forward reset, first spline housing 3 moves forward and is combined with the second spline housing 23 under the first spring 5 acts on, the power realizing operation mechanism engages, this mechanism structure is simple, easy to operate, powershift can be realized fast.
Above-described embodiment is the principle of illustrative model utility and effect thereof only, but not for limiting the utility model, any person skilled in the art scholar all without prejudice under spirit of the present utility model and category, can modify above-described embodiment or change.Therefore, such as have in art and usually know that the knowledgeable modifies or changes not departing from all equivalences completed under the spirit and technological thought that the utility model discloses, must be contained by claim of the present utility model.
Claims (10)
1. a Mini-tiller power output switching device, comprise casing and be arranged on the pto＝power take-off in casing, it is characterized in that: described pto＝power take-off front end sleeve has the first spline housing of band pawl, the pto＝power take-off at this first spline housing rear is provided with limited step, the first spring is provided with between this first spline housing and limited step, described first spline housing is also provided with a circle and stirs boss, described casing is also provided with drag-line fixing column and shifting block, described drag-line fixing column is fixed on casing, described shifting block is arranged on casing by bearing pin, drag-line first end is connected on drag-line fixing column, second end is connected with operating device through described shifting block, the second spring is provided with between this drag-line fixing column and shifting block, boss front is stirred described in the struck side of described shifting block is positioned at, and with stir boss and coordinate.
2. Mini-tiller power output switching device according to claim 1, it is characterized in that: described casing upper side wall offers shifting block mounting hole, described shifting block mounting hole edge raises up formation flange, described bearing pin is laterally arranged on this flange, described shifting block is vertically arranged in shifting block mounting hole, its lower end coordinates with described boss of stirring, and upper end laterally offers drag-line via hole.
3. Mini-tiller power output switching device according to claim 2, it is characterized in that: described drag-line fixing column is vertically arranged on the casing in shifting block front, this drag-line fixing column laterally offers drag-line fixed hole, described drag-line first end is through drag-line fixed hole, and fixed by the fastening piece being arranged on drag-line fixing column side, drag-line second end end is connected with operating device through described drag-line via hole.
4. Mini-tiller power output switching device according to claim 3, it is characterized in that: above described shifting block mounting hole, be provided with dust-proof cover, this dust-proof cover is arranged on described flange, and described drag-line fixed hole is at least two, is vertically distributed on drag-line fixing column.
5. Mini-tiller power output switching device according to claim 4, it is characterized in that: described second spring housing is outside drag-line, this second spring one end is connected with shifting block upper end, and the other end is connected with described drag-line fixing column, and described operating device is be arranged on handrail pulls handle.
6. Mini-tiller power output switching device according to claim 5, is characterized in that: described shifting block bottom is provided with at least two mounting holes, and described mounting hole is vertically distinguished, and one of them mounting hole coordinates with bearing pin.
7. Mini-tiller power output switching device according to claim 6, is characterized in that: described drag-line fixing column lower end has outside thread, and cabinet exterior is stretched in this drag-line fixing column lower end, and is threaded with casing.
8. Mini-tiller power output switching device according to claim 1, it is characterized in that: described pto＝power take-off is arranged on casing by bearing, its rear end is connected with driving mechanism, described casing front offers the attachment hole for operation mechanism's power access, and this attachment hole is corresponding with described pto＝power take-off.
9. Mini-tiller power output switching device according to claim 1, is characterized in that: described first spline housing is three-jaw cutting ferrule, and the claw of this first spline housing toward the front.
10. Mini-tiller power output switching device according to claim 1, it is characterized in that: also comprise for transferring power to the transmission shaft of operation mechanism, the power incoming end cover of this transmission shaft has the second spline housing of band pawl, and the claw of this second spline housing coordinates with the claw of described first spline housing and carries out transmission of power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420583709.4U CN204140849U (en) | 2014-10-10 | 2014-10-10 | Mini-tiller power output switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420583709.4U CN204140849U (en) | 2014-10-10 | 2014-10-10 | Mini-tiller power output switching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204140849U true CN204140849U (en) | 2015-02-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420583709.4U Active CN204140849U (en) | 2014-10-10 | 2014-10-10 | Mini-tiller power output switching device |
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| Country | Link |
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| CN (1) | CN204140849U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104315132A (en) * | 2014-10-10 | 2015-01-28 | 重庆华世丹机械制造有限公司 | Power output switching device for mini-tiller |
-
2014
- 2014-10-10 CN CN201420583709.4U patent/CN204140849U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104315132A (en) * | 2014-10-10 | 2015-01-28 | 重庆华世丹机械制造有限公司 | Power output switching device for mini-tiller |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |