CN1253657C

CN1253657C - Automatic spring starter

Info

Publication number: CN1253657C
Application number: CN 02112690
Authority: CN
Inventors: 帖德顺
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-02-22
Filing date: 2002-02-22
Publication date: 2006-04-26
Anticipated expiration: 2022-02-22
Also published as: CN1439803A

Abstract

The present invention relates to an automatic spring starter, which belongs to the technical field of starting devices of machinery equipment. The automatic spring starter comprises an energy storage mechanism, an energy releasing mechanism, an output mechanism and a winding-up mechanism which are arranged in a casing, the winding-up mechanism is mainly composed of a main axle, an automatic clutch mechanism composed of the main axle and a small gear, a planetary wheel unit and an inner gear; the starter is started by the main axle through an overrunning clutch mechanism; the small gear is engaged with the inner gear through a planetary wheel. The present invention is suitable for various starting of combustion engines without additional actions and can tighten the spring automatically so as to store energy for next starting; the present invention has the advantages of artful design, simple structure, small size, superior performance, large output torque and strong implement performance. Compared with the existing similar products, the products produced by the scheme have more market competitiveness and can generate great social benefits and economic benefits after popularization.

Description

Automatic spring starter

Technical field

The present invention relates to a kind of mechanical starting device, especially a kind of spring starter of internal-combustion engine belongs to machinery starting drive technical field.

Background technique

Agricultural modernization is China Four Modernizations basis, and the important symbol of agricultural modernization is exactly farm mechanization.From laterally, farming, woods, herd, secondary, various industries of fishing all need mechanization; From vertically, the agricultural production intertillage, plant, plough, rake, receive various operations and all be unable to do without mechanization.At present, the power overwhelming majority of these machinery is middle low power single cylinder diesels.The Starting mode commonly used of these existing diesels has two kinds, and a kind of is that electricity consumption starts, and another kind is a manual cranking.The former distinct disadvantage is: 1, must be equipped with the storage battery of volume bulkiness, its working life is short, needs often charging; 2. cause bad connection because of oxidation or ablation joint easily, start and break down often.The latter's outstanding shortcoming is: 1, poor stability behind the host-initiated, causes the incident of industrial injury to happen occasionally because of crank can't break away from; 2, labor intensity is big, starts very difficult when temperature is low; 3, stop in the way after, driver's startup of must getting off, very inconvenient.

The claimant recognizes by retrieval, existing patent application data has been put down in writing some and has been started the mechanical type starting drive of diesel engine by the spring stored energy automatically, its basic structure is by the spring energy agency that is installed in the shell, can cause the spring deformation energy storage and the release energy machine structure of pine oil as required, and the output mechanism that is connected with diesel powered axle composition.Though these innovation improvement projects have his own strong points, and also have certain action effect respectively, from the consideration of applying truly, really all have tangible deficiency or defective.Patent No. ZL9521533.2 for example, name is called " internal-combustion engine clockwork spring starter motor ", patent No. ZL92243053.5, name is called " mechanical starter and automatic controller thereof ", the patent No. is 97220187.4, name is called technological scheme in the patents such as " engine starting gears " and all has the major defect of need be by the manpower energizing spring or need start the reduction valve of diesel engine when starting, there is complex structure in addition, empty easily release, tripping force is little, the exposed variety of issue that waits of structural member, and volume is big, difficulty is installed, cost an arm and a leg, therefore the user is difficult to accept, and does not see the technological achievement that is popularized so far as yet.

In order to solve problems such as automatic energizing spring, applicant is in the applying date that September 4, application number in 2000 are 00112508, name is called in the patent application of " starter of diesel engine " and has proposed a kind of spring starter that is made of the stored energy mechanism, release energy machine structure, output mechanism, the remontoir that are installed in the shell, this device passes through clutch mechanism, can make the motion that starts back diesel powered axle drive spring mechanism on the cam-actuated ratchet, thereby realize automatic energizing spring.The claimant finds in practice, and this device is owing to the detent mechanism that need hold cam driven, so volume is bigger, and upward the spring action is intermittent movement, therefore impacts greatly, and part is fragile, and it is unreliable to work.

Summary of the invention

The objective of the invention is to: at the major defect of prior art existence, propose a kind of automatic spring starter, thereby make it have practical application value by automatically continuous energizing spring of the power that is activated internal-combustion engine and reliable operation.

In order to realize above purpose, spring starter of the present invention comprises stored energy mechanism, release energy machine structure, output mechanism, the remontoir that is installed in the shell (1).Described stored energy mechanism mainly is made of the clockwork spring (23) that an end is connected with shell (1), the other end is connected with internal gear (17).Described release energy machine structure comprises the clutch piece (4) of starting bar (7), realization one-way rotation part (5) and reduction gearing mechanism driving wheel (10) clutch of control one-way rotation part (5) and reduction gearing mechanism (10) clutch; The driven member of described reduction gearing mechanism---small gear (14) is connected with main shaft (21).Described output mechanism constitutes with the connecting shaft spare (20) that is activated axle by connecting main shaft (21).The automatic clutch mechanism that described remontoir mainly is made up of main shaft (21), shift fork (13) and signal rotating disk (15), planetary gear set (10), internal gear (17) constitute, described main shaft (21) is connected with small gear (14) by automatic clutch mechanism, and described small gear (14) is by planetary gear set (10) and internal gear (17) engagement.

After clockwork spring of the present invention (23) obtains initially to tighten energy, main shaft (21) is because of being connected with the follower (14) of reduction gearing mechanism in the release energy machine structure, and this wheel is subjected to the constraint of one-way rotation part (5) by its driving wheel (10), therefore main shaft (21) is in the energy storage state, can't rotate.When handling starting bar (7), clutch piece (4) breaks away from binding site, the driving wheel of reduction gearing mechanism (10) breaks away from fully with one-way rotation part (5) as a result, no longer be limited the constraint of counter-rotating, the stored energy of clockwork spring (23) is able to loose release of moment, drive main shaft (21) rotation by the unidirectional mechanism that is fixed on the main shaft (21), be transformed into kinetic energy by elastic potential energy; The rotation of main shaft (21) then starts internal-combustion engine machine to be started by output mechanism.

After this, when treating internal-combustion engine self running, main shaft (21) is rotated further, oppositely drive by output mechanism, at this moment automatic clutch mechanism makes small gear (14) combine with main shaft (21), thereby drives the internal gear (17) that is engaged with by planetary gear set (10), and the clockwork spring rolling-in is winded up.After clockwork spring tightened, automatic clutch mechanism made small gear (14) and main shaft (21) throw off automatically, and winding up stops automatically.

For output torque that increases clockwork spring and the fatigue resistance that improves clockwork spring, further improvement of the present invention is: the clockwork spring in the stored energy mechanism is used the camber cross section instead; Material is with 60si2crv or 50crvA; The inner cold coiling of clockwork spring is shaped.

Experiment showed, that the present invention is applicable to the startup of various automobiles with the small-power ICE-powered, tractor, motorcycle and various machinery, do not have additional move during startup, can tighten clockwork spring automatically, for start stored energy next time.Because adopted beam string structure on the internal gear, so structure is very compact, volume is small and exquisite, and the continization of the action of winding up has then guaranteed reliable operation, no rigid impulse, stable performance, long service life.In a word, it is skillfully constructed, volume is small and exquisite, superior performance, output torque is big, exploitativeness is strong, so the product that goes out according to this conceptual design will have more the market competitiveness than existing like product, after the popularization, will have a tremendous social and economic benefits.

Description of drawings

Below in conjunction with accompanying drawing the present invention is described in further detail.

Fig. 1 is the structural representation of the embodiment of the invention one.

Fig. 2 is the structural representation of the embodiment of the invention two.

Embodiment

Embodiment one

The automatic spring starter of present embodiment is a kind of automatic spring starter that is installed in startup axle one side of diesel engine as shown in Figure 1.Major part has: shell (1), cover plate (2), supporting plate (3), steel ball (4), ratchet (5), dish spring (6), starting bar (7), handle (8), hollow shaft (9), planetary gear set (10), depression bar (11), steel ball (12), shift fork (13), small gear (14), signal rotating disk (15), ratchet (16), internal gear (17), dish spring (18), steel ball (19), diesel engine starting axle (20), main shaft (21), clockwork spring axle (22), clockwork spring (23), guide rod (25), stage clip (26), shift fork (27).Above-mentioned part constitutes respectively: stored energy mechanism, release energy machine structure, output mechanism, remontoir, signal transmission mechanism, stored energy mechanism, separating mechanism, output mechanism, manual remontoir.The concrete formation situation of these mechanisms is as follows:

A, stored energy mechanism---mainly form by clockwork spring axle (22), clockwork spring (23), spring outer end stationary axle, slideway etc.The inner of clockwork spring (23) is fixed on the spring born work arbor (22) that is connected with internal gear (17), and the outer end is fixed on the shell (1).In order to increase the output torque of starter, clockwork spring (23) outer end also can be connected with shell (1) by slideway.The outer end bearing pin of clockwork spring (23) is along with clockwork spring (23) rolling-in and loosely slide on slideway, can make its energy storage increase by 30% like this.In addition, the square type cross section of clockwork spring (23) being used instead camber cross section, material rolls and adopts cold coiling technology all to help to strengthen its energy storage capacity with 60si2crvA or 50crvA, the inner.

B, release energy machine structure---form by cover plate (2), supporting plate (3), steel ball (4), ratchet (5), dish spring (6), starting bar (7), hollow shaft (9), planetary gear set (10) etc.This mechanism is arranged between supporting plate (3) and the cover plate (2).Hollow shaft (9) outer fixing ratchet (5), and kink planetary gear set (10).Starting bar (7), steel ball (4), dish spring (6) are housed in the hollow shaft (9); The axle of planetary gear set (10) is gone up and hollow shaft (9) is provided with the locking aperture of steel ball (4), and dish spring (6) suppresses starting bar (7), planetary gear set (10) can be locked in clutch mechanism on the hollow shaft (9) by steel ball (4) thereby constitute.Ratchet (5) is fixed on the ratchet constraint locking on the cover plate (2), forces planetary gear set (10) to rotate counterclockwise.Planetary gear set (10) again and internal gear (17) engagement locking, thereby can be with clockwork spring (23) rolling-in and locking; And when compressing starting bar (7), planetary gear set (10) is thrown off the locking of steel ball (4), and clockwork spring (23) is able to loose release.Whole release energy machine structure supports with supporting plate (3) and is contained on the cover plate (2).

C, output mechanism---form by ratchet (16), main shaft (21), clockwork spring axle (22), clockwork spring (23), diesel engine starting axle (20) etc.Ratchet (16) is fixed on the main shaft (21), and the ratchet engagement with being installed on the internal gear (17) is retrained by it, and main shaft (21) can only clockwise rotate.Main shaft (21) is connected by steel ball (19) locking constraint with diesel engine starting axle (20), when clockwork spring (23) discharges, ratchet clockwise rotates main shaft (21) by ratchet (16), after main shaft (21) rotates, drives the diesel engine running by diesel engine starting axle (20).

D, remontoir---mainly constitute by main shaft (21), automatic clutch mechanism, planetary gear set (10), internal gear (17), described main shaft (21) is connected with small gear (14) by automatic clutch mechanism, and described small gear (14) is by planetary gear set (10) and internal gear (17) engagement.Behind diesel engine starting, the simultaneously clockwise quick rotation of main shaft (21) is counterclockwise rotated at a slow speed by small gear (14), the fast approximately internal gear of planetary gear set (10) (17) that is locked on the main shaft (21), and clockwork spring (23) beginning is winded up at a slow speed counterclockwise.

Automatic clutch mechanism in the remontoir particularly is worth mentioning.This mechanism can regard as by steel ball (12), shift fork (13), signal rotating disk (15) internal gear (17) etc. and form.Signal rotating disk (15) connects with outside thread spiral on internal gear (17) cylindrical by internal thread, and is arranged on the constraint of two guide rails (25) on the shell (1), can only move as straight line.Steel ball (12) is installed in the steel ball hole of shift fork (13), can wedge on the steel ball groove on the main shaft (21).On the one hand, cylindrical one end of shift fork (13) contacts with signal rotating disk (15), can move right under the promotion of signal rotating disk (15), promptly slides to the right on main shaft; On the other hand, an end of shift fork (13) is resisted against on the stage clip (26), is subjected to stage clip (26) compressing that the trend of sliding is arranged all the time left.Keyway engagement on steel ball (12) upper end and small gear (14) arbor hole.Like this, when clockwork spring (23) was loose, signal rotating disk (15) was moved to the left, and the steel ball (12) that stage clip (26) presses on the shift fork (13) also is moved to the left simultaneously, and the automatic engaging lock of small gear (14) is fixed on the main shaft (21); And when clockwork spring (23) rolling-in, signal rotating disk (15) moves right, and the steel ball (12) on shift fork (13) and the shift fork (13) also is moved to the left, and breaks away from small gear (14), and small gear (14) and main shaft (21) are broken away from automatically.

In addition, more perfect for the performance that makes automatic spring starter, work more reliable, present embodiment also comprises separating mechanism, manual remontoir, its concrete mechanism is:

E, separating mechanism---by depression bar (11), dish spring (18), steel ball (19), diesel engine starting axle (20), main shaft formations such as (21).Main shaft (21) is the root hollow shaft, in depression bar (11) is housed, the termination leans on dish spring (18), starts between axle (20) and the depression bar (11) steel ball (19) clutch mechanism is housed.Like this, press moulded rod (19), can pass through steel ball (19) and combine or break away from starting axle (20), the realization diesel engine is connected or disengaging with starter.

F, manual remontoir---form by a gear and a stage clip in shift fork (27), the planetary gear set (10).In the planetary gear set (10) two gears with the casing pipe sleeve of two profiles of tooth engagements on hollow shaft (9), when starter need wind up by hand, stir shift fork (27), make two gears disengagings in the planetary gear set (10), turn hexagon nut on the hollow shaft (9) counterclockwise with wrench again, internal gear (17) rotates counterclockwise, clockwork spring (23) rolling-in counterclockwise; As unclamping shift fork (27), two gear sleeve pipes mesh under the effect of stage clip voluntarily.

In addition, the shell in the present embodiment (1) is a structure single casing drum type or square.Reduced the volume of starter of diesel engine so greatly, and made things convenient for direct connection with diesel-engine body, compare with the starter structure of existing 2 casings or 3 superimposed assemblings of casing, obviously present embodiment has breakthrough, great improvement, and has saved manufacture cost greatly.In order to increase the starter rigidity, shell (1) can be used outer casing stand instead and replace, and shell connects firmly with thin plate tensioning member and outer casing stand.

Embodiment two

The automatic spring starter of present embodiment as shown in Figure 2, its main structure and embodiment one are roughly the same.Crucial difference is the automatic clutch mechanism in the remontoir, different with embodiment one is, though this mechanism also is made up of steel ball (12), shift fork (13), signal rotating disk (15) internal gear (17) etc., but signal rotating disk (15) screws with the outside thread of central gear (24) by internal thread and is connected, this central gear (24) is connected with the end face of internal gear (17), and the fixedly constraint of two guide rails (25) on the clamshell of the small gear (14) that is arranged on shell (1) middle part, can only move as straight line.Its working principle and course of action are all identical with embodiment one.Its tangible advantage is, more compact structure, and the manufacturability of making is better.

Embodiment three

Present embodiment is a kind of automatic spring starter that is installed in flywheel one side of diesel engine.Its basic structure and action principle are all basic identical with embodiment one and embodiment two.Difference is: ratchet (5) and ratchet (16) are oppositely installed, and at this moment clockwork spring (23) winds up clockwise, discharge counterclockwise; Diesel engine starting axle (20) is arranged in the belt pulley of diesel engine flywheel one side.

Embodiment four

Present embodiment is the locational automatic spring starter of fuel tank that is installed in diesel engine, and its basic structure and action principle are all basic identical with embodiment one, embodiment two.Difference is that the base of spring starter is installed on the fuel tank position of diesel engine, a sprocket wheel is set on the diesel engine starting axle (20), link with the sprocket wheel on chain and the main shaft, the sprocket wheel endoporus on the main shaft (21) be provided with main shaft (21) on the corresponding steel ball hole of steel ball.

Embodiment five

Present embodiment is the locational automatic spring starter of vehicle frame that is installed in agricultural vehicle, and its structure and action principle are all basic identical with embodiment one, embodiment two, embodiment three.Difference is that the base of spring starter is installed on the vehicle frame position of agricultural vehicle, the main shaft of separating mechanism (21) is a root solid shaft, between the top of main shaft (21) and the diesel engine starting axle (20) or between the belt pulley of diesel engine flywheel one side, steerable tooth embedding engaged clutch is housed, is connected or breaks away from diesel engine fully thereby reach spring starter.

What deserves to be mentioned is, the invention is not restricted to the foregoing description, according to the application difference, many versions can also be arranged, himself part also can have many variations.For example: 1: all belleville springs can replace with cylindrically coiled spring; 2: the free wheel device of the available various types of ratchet (16) replaces, and free wheel device is arranged on the main shaft (21), is assemblied in the clockwork spring axle (22) or outer constraint main shaft (21) one-way rotation; 3: other unidirectional mechanism such as available unidirectional needle bearing of ratchet (5) or free wheel device replaces; 4: the free wheel device of any pattern can be housed in the diesel engine starting axle (20), and free wheel device is located on the top of main shaft (21); 5: all steel balls can exchange with bearing pin; 6: the reducing gear in the remontoir; can use other reducing gear instead; as: cycloidal planetary gear speed reducer structure, grooved pulley reducer structure, small teeth number difference planet gear reducing gear, roller oscillating tooth planetary gear speed reducing mechanism, eccentric wheel reducing gear replace, and these equivalences are replaced or further improvement all drops within the protection domain of requirement of the present invention.

The present invention and prior art, existing patent application data contrast, its structure, property Can, external form is connected with diesel engine and all has breakthrough major reform, is that a kind of startup is pacified The full Green Product that reliably, can not cause environmental pollution. Little, the startup of its volume Speed is fast, startability is stable, can be applicable to various single cylinder diesels (such as 175,185, 195, the types such as 1105,1110,1115,1120) the supporting various agricultural machinery of institute and The startup of vehicle and various device. Also can be used as the backup unit that electricity starts vehicle. One Dawn motor, storage battery break down, and start with regard to available this spring starter.

Product of the present invention is little, but market is big. According to market survey, starter of diesel engine A product that surpasses 10,000,000,000 yuan of markets, this product implementation success and promote in the whole nation after, The nearly 10000 people employment will be solved, the common development of associated mechanical industry will be driven, will Can turn over several hundred million first tax revenues to country, thus be the development of national industry, for social The stable far-reaching influence that produces.

Claims

1. an automatic spring starter comprises the stored energy mechanism, release energy machine structure, output mechanism, the remontoir that are installed in the shell (1); Described stored energy mechanism is made of the clockwork spring (23) that an end is connected with shell (1), the other end is connected with internal gear (17); Described release energy machine structure comprises the clutch piece (4) of starting bar (7), realization one-way rotation part (5) and reduction gearing mechanism driving wheel (10) clutch of control one-way rotation part (5) and reduction gearing mechanism (10) clutch; The driven member of described reduction gearing mechanism (14) is connected with main shaft (21); Described output mechanism constitutes with the connecting shaft spare (20) that is activated axle by connecting main shaft (21); It is characterized in that: the automatic clutch mechanism that described remontoir is made up of main shaft (21), shift fork (13) and signal rotating disk (15), planetary gear set (10), internal gear (17) constitute, described main shaft (21) is connected with small gear (14) by automatic clutch mechanism, and described small gear (14) is by planetary gear set (10) and internal gear (17) engagement.

2. automatic spring starter according to claim 1 is characterized in that: described clockwork spring (23) material is 60si2crv or 50crvA.

3. automatic spring starter according to claim 2 is characterized in that: described clockwork spring (23) is the camber cross section.

4. automatic spring starter according to claim 1 and 2 is characterized in that: the inner of described stored energy mechanism clockwork spring (23) is fixed on the spring born work arbor (22) that is connected with internal gear (17), and the outer end is fixed on the shell (1).

5. automatic spring starter according to claim 1 and 2 is characterized in that: described stored energy mechanism clockwork spring (23) outer end is connected with shell (1) by slideway.

6. automatic spring starter according to claim 1 and 2 is characterized in that: the reduction gearing mechanism of described release energy machine structure is a gear drive.

7. automatic spring starter according to claim 6, it is characterized in that: described release energy machine structure is made up of cover plate (2), supporting plate (3), steel ball (4), ratchet (5), dish spring (6), starting bar (7), hollow shaft (9), planetary gear set (10), and this mechanism is arranged between supporting plate (3) and the cover plate (2); Hollow shaft (9) outer fixing ratchet (5), and kink planetary gear set (10).

8. automatic spring starter according to claim 1 and 2 is characterized in that: the one-way rotation part of described release energy machine structure is ratchet (5), and described ratchet (5) is fixed on the ratchet constraint locking on the cover plate (2).

9. automatic spring starter according to claim 1 and 2 is characterized in that: starting bar (7), steel ball (4), dish spring (6) are housed in the described hollow shaft (9); The axle of described planetary gear set (10) is gone up and hollow shaft (9) is provided with the locking aperture of steel ball (4), and dish spring (6) suppresses starting bar (7), planetary gear set (10) can be locked in clutch mechanism on the hollow shaft (9) by steel ball (4) thereby constitute.

10. automatic spring starter according to claim 1 and 2 is characterized in that: described output mechanism is made up of ratchet (16), main shaft (21), clockwork spring axle (22), clockwork spring (23), diesel engine starting axle (20); Described ratchet (16) is fixed on the main shaft (21), with the ratchet engagement that is installed on the internal gear (17).

11. automatic spring starter according to claim 10 is characterized in that: described main shaft (21) is connected by steel ball (19) locking constraint with diesel engine starting axle (20).

12. automatic spring starter according to claim 1 and 2, it is characterized in that: the automatic clutch mechanism in the described remontoir is made up of steel ball (12), shift fork (13), signal rotating disk (15) internal gear (17), described signal rotating disk (15) connects with outside thread spiral on internal gear (17) cylindrical by internal thread, and is arranged on the constraint of two guide rails (25) on the shell (1); Described steel ball (12) is installed in the steel ball hole of shift fork (13), and on the steel ball groove on the wedging main shaft (21); Cylindrical one end of described shift fork (13) contacts with signal rotating disk (15), and the other end is resisted against on the stage clip (26), keyway engagement on described steel ball (12) upper end and small gear (14) arbor hole.

13. automatic spring starter according to claim 1 and 2, it is characterized in that: also comprise separating mechanism, this mechanism is mainly by depression bar (11), dish spring (18), steel ball (19), diesel engine starting axle (20), main shaft (21) constitute, described main shaft (21) is the root hollow shaft, in depression bar (11) is housed, the termination leans on dish spring (18), starts between axle (20) and the depression bar (11) steel ball (19) clutch mechanism is housed.

14. automatic spring starter according to claim 1 is characterized in that: also comprise manual remontoir, this mechanism is made up of a gear and a stage clip in shift fork (27), the planetary gear set (10); In the described planetary gear set (10) two gears with the casing pipe sleeve of two profiles of tooth engagements on hollow shaft (9).

15. automatic spring starter according to claim 1 is characterized in that: described shell (1) is single casing cylinder mode.

16, automatic spring starter according to claim 1 is characterized in that: described shell (1) is single casing square structure.

17, according to claim 15,16 described automatic spring starters, it is characterized in that: shell (1) is used outer casing stand instead and is replaced, and shell connects firmly with thin plate tensioning member and outer casing stand.

18. automatic spring starter according to claim 1 and 2, it is characterized in that: the automatic clutch mechanism in the described remontoir is made up of steel ball (12), shift fork (13), signal rotating disk (15) internal gear (17), described signal rotating disk (15) screws with the outside thread of central gear (24) by internal thread and is connected, the end face of this central gear (24) and internal gear (17) is connected, and the fixedly constraint of two guide rails (25) on the clamshell of the small gear (14) that is arranged on shell (1) middle part.

19. automatic spring starter according to claim 1 is characterized in that: be arranged on during use in the belt pulley of diesel engine flywheel one side, the ratchet (16) of ratchet of described release energy machine structure (5) and described output mechanism is oppositely installed.

20. automatic spring starter according to claim 13, it is characterized in that: base is installed on the fuel tank position of diesel engine, a sprocket wheel is connected on the live axle (20), link to each other with sprocket wheel on the main shaft (21) by chain, the sprocket wheel endoporus on the main shaft (21) be provided with main shaft (21) on the corresponding steel ball hole of steel ball (19).

21. automatic spring starter according to claim 13, it is characterized in that: base is installed on the vehicle frame position of agricultural vehicle, the main shaft of described separating mechanism (21) is a solid shaft, on the top of main shaft (21) with start between the axle (20) steerable tooth embedding engaged clutch is housed.

22. automatic spring starter according to claim 19, it is characterized in that: base is installed on the vehicle frame position of agricultural vehicle, the main shaft of described separating mechanism (21) is a solid shaft, between the belt pulley of the top of main shaft (21) and diesel engine flywheel one side, steerable tooth embedding engaged clutch is housed.

23. automatic spring starter according to claim 9 is characterized in that: described dish spring replaces with cylindrically coiled spring.

24. automatic spring starter according to claim 11, it is characterized in that: described ratchet (16) replaces with free wheel device, free wheel device is arranged on the main shaft (21), is assemblied on the clockwork spring axle (22) constraint main shaft (21) one-way rotation.

25. automatic spring starter according to claim 1 is characterized in that: described one-way rotation part is unidirectional needle bearing.

26. according to claim 7 or 12 described automatic spring starters, it is characterized in that: described steel ball replaces with bearing pin.

27. automatic spring starter according to claim 1 is characterized in that: described reduction gearing mechanism is cycloidal planetary gear speed reducer structure, grooved pulley reducer structure, small teeth number difference planet gear reducing gear, roller oscillating tooth planetary gear speed reducing mechanism or eccentric wheel reducing gear.