CN109121583A - A kind of small agricultural semi-automatic soil open hole device - Google Patents

Abstract

The invention discloses a kind of small agricultural semi-automatic soil open hole devices, including the first transverse slat, first gear, second gear, soil finishing pole and third gear, valve port is offered on first transverse slat, and first is separately installed with silo and barre above transverse slat, the third gear is located at the right side of soil finishing pole, and third gear is connected with each other with the second transverse slat and wheel respectively by connecting shaft, driving wheel is installed in the connecting shaft, and transmission belt is installed on the inside of driving wheel, and third gear passes through connecting shaft, driving wheel and transmission belt and second gear are connected with each other.The small agricultural semi-automatic soil open hole device, be conducive to the remote districts such as small-sized soil and hills carry out using, it is easy to operate, low manufacture cost, facilitate peasant household carry out using, it sows that step is comprehensive simultaneously, only need to push the device that can complete open cave, sowing, the multi-mode operation for applying fertilizer and banketing, shorten the sowing spent time.

Description

A kind of small agricultural semi-automatic soil open hole device

Technical field

The present invention relates to agricultural equipment technical field, specially a kind of small agricultural semi-automatic soil open hole device.

Background technique

During small-sized agricultural planting, since part peasant's land area is smaller and position is remote, it has not been convenient to make Bunch planting kind, the large-scale agricultural planting of small area land use full-automation are carried out out with full-automatic large-scale agricultural planting machine Machine carries out out bunch planting kind, and the economic benefit is not high, at the same soil position it is remote also result in traffic be unfavorable for planting machines into Row is run, and complicated automatic machinery needs that special messenger is asked to operate with, and improves planting cost, traditional hoe tool program request side Formula then improves labor intensity, reduces sowing efficiency, and is similar to Publication No. CN105230191B and CN104170568B Authorization invention, be first be merely able to carry out planting process in part plantation step, other steps still need to it is secondary operated, prolong Grown implantation time, it has not been convenient to carry out robbing seasonal crop and be planted, be second be provided with data processor, air compressor with And the electric devices such as relay, and be inconvenient to be deployed to farmland soil position in electric power from far-off regions, it is unfavorable for electric power and carries out just Normal supply, to influence the normal work of electric device.

Summary of the invention

The purpose of the present invention is to provide a kind of small agricultural semi-automatic soil open hole devices, to solve above-mentioned background The large-scale agricultural planting machine of the small area land use full-automation proposed in technology carries out out bunch planting kind, and the economic benefit is not high, Simultaneously soil position it is remote also result in traffic and be unfavorable for planting machines run, complicated automatic machinery needs are asked Special messenger operates with, and improves planting cost, and traditional hoe tool point broadcast mode then improves labor intensity, reduces sowing The problem of efficiency.

To achieve the above object, the invention provides the following technical scheme: a kind of small agricultural opens cave with semi-automatic soil Device, including the first transverse slat, first gear, second gear, soil finishing pole and third gear offer valve on first transverse slat Mouthful, and silo and barre are separately installed with above the first transverse slat, be separately installed with out on the inside of the silo cave bar and Apply fertilizer bar, and opens and offer band hopper on cave bar and fertilising bar, and opens and be reserved with discharge nozzle on cave bar and fertilising bar, institute It states out and is provided with T-slot on cave bar and fertilising bar, and T-block is installed on the inside of T-slot, the top installation of the T-block Have a reset spring, and T-block by reset spring and T-slot respectively with open cave bar and fertilising bar interconnection, and open cave bar With teeth piece is respectively mounted on the outside of fertilising bar, and the first gear and second gear are located at out the right side of cave bar and the bar that applies fertilizer Side, and first gear and second gear pass through tooth block respectively with open cave bar and fertilising bar be connected with each other, and first gear and Connecting shaft is mounted in second gear, described open offers regulating tank on cave bar and fertilising bar, and the inside peace of regulating tank Equipped with top plate, draught line is connected with below the top plate, and top plate is connected with each other by draught line and open-and-close mechanism, and is opened Cave bar and fertilising bar pass through open-and-close mechanism and are connected with each other respectively with the first isolation board and the second isolation board, and the soil finishing pole is located at The right side of second gear, and rotary shaft is installed, and soil finishing pole is mutually interconnected by rotary shaft with soil-suppressing board below soil finishing pole It connects, connecting spring is installed above the soil-suppressing board, and soil-suppressing board is connected with each other by connecting spring and soil finishing pole, described the Three gears are located at the right side of soil finishing pole, and third gear is connected with each other with the second transverse slat and wheel respectively by connecting shaft, described Driving wheel is installed in connecting shaft, and transmission belt is installed on the inside of driving wheel, and third gear passes through connecting shaft, driving wheel It is connected with each other with transmission belt and second gear.

Preferably, the valve port and be trapezium structure with hopper, and the height of valve port be greater than band hopper and discharge nozzle it Between distance.

It is preferably, described that open cave bar identical with the fertilising upper end internal structure of bar, and open cave bar and fertilising bar pass through it is multiple Position spring and T-block and the second transverse slat constitute stretching structure.

Preferably, the first gear, second gear are identical with third gear structure, equal in magnitude, and first gear, Two gears and third gear by tooth block respectively with open cave bar, fertilising bar and soil finishing pole and engage connection.

Preferably, the top plate is " T " font structure, and top plate and regulating tank constitute slide construction, and top plate, adjusting Slot and draught line constitute trigger mechanism, which is provided with two groups, and two groups of trigger mechanisms are located at out cave bar and fertilising The lower end of bar.

Preferably, the open-and-close mechanism includes loop bar, horizontal axis, take-up pulley and volute spring, and open-and-close mechanism passes through cross Axis respectively with open cave bar and fertilising bar is connected with each other, and volute spring is installed on the outside of horizontal axis, horizontal axis passes through volute spring It is connected with each other with loop bar, loop bar is fixedly connected with take-up pulley, and take-up pulley and draught line are connected with each other.

Preferably, the open-and-close mechanism by horizontal axis respectively with open cave bar and fertilising bar constitute rotational structure, and horizontal axis lead to It crosses volute spring and loop bar constitutes rotational structure, and volute spring and loop bar constitute resetting-mechanism.

Compared with prior art, the beneficial effects of the present invention are: the semi-automatic soil open hole device of the small agricultural,

1, be conducive to carry out in the remote districts such as small-sized soil and hills using easy to operate, low manufacture cost facilitates peasant household It carries out using while sowing that step is comprehensive, only need to push the device that can complete open cave, sowing, apply fertilizer and banket multinomial Operation shortens the sowing spent time；

2, it avoids the need for peasant household and carries out single cave of opening using farm implements such as hoe tool and spades manually, then bend over to sow manually, drop The labor intensity of Di Liao peasant household improves sowing efficiency, is very suitable to the sowing that peanut etc. robs seasonal crops, avoids missing and broadcast The kind time；

3, the open hole device is not provided with any electric device, avoids the need for using power supply, without individually carrying out power line Road is laid and power supply, and the environmental protection concept that social development is advocated also is compliant with while reducing energy consumption.

Detailed description of the invention

Fig. 1 is overall structure of the present invention；

Fig. 2 is that the present invention opens cave bar lower end structure schematic diagram；

Fig. 3 is present invention fertilising bar lower end structure schematic diagram；

Fig. 4 is top plate mounting structure schematic diagram of the present invention；

Fig. 5 is open-and-close mechanism structural schematic diagram of the present invention；

Fig. 6 is loop bar of the present invention and breadth axis connecting structure schematic diagram；

Fig. 7 is second gear of the present invention and third gear connection structure schematic diagram.

In figure: 1, the first transverse slat；2, valve port；3, silo；4, barre；5, cave bar is opened；6, apply fertilizer bar；7, band hopper；8, Discharge nozzle；9, T-slot；10, T-block；11, reset spring；12, tooth block；13, first gear；14, second gear；15, it connects Axis；16, regulating tank；17, top plate；18, draught line；19, open-and-close mechanism；1901, loop bar；1902, horizontal axis；1903, take-up pulley； 1904, volute spring；20, the first isolation board；21, the second isolation board；22, soil finishing pole；23, rotary shaft；24, soil-suppressing board；25, even Connect spring；26, third gear；27, the second transverse slat；28, wheel；29, driving wheel；30, transmission belt.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.

Please refer to Fig. 1-7, the present invention provides a kind of technical solution: a kind of small agricultural opens cave dress with semi-automatic soil It sets, including the first transverse slat 1, first gear 13, second gear 14, soil finishing pole 22 and third gear 26, is offered on the first transverse slat 1 Valve port 2, and the top of the first transverse slat 1 is separately installed with silo 3 and barre 4, valve port 2 and be trapezium structure with hopper 7, and The height of valve port 2 is greater than band the distance between hopper 7 and discharge nozzle 8, facilitates material to pass through and falls into discharging with hopper 7 and valve port 2 In pipe 8, the inside of silo 3 is separately installed with out cave bar 5 and fertilising bar 6, and opens and offer band on cave bar 5 and fertilising bar 6 Hopper 7, and open and be reserved with discharge nozzle 8 on cave bar 5 and fertilising bar 6, open the upper end internal structure phase of cave bar 5 and the bar 6 that applies fertilizer Together, and cave bar 5 and fertilising bar 6 are opened by reset spring 11 and T-block 10 and the second transverse slat 27 composition stretching structure, conveniently opened Cave bar 5 and fertilising bar 6 carry out out cave and fertilizing operation respectively；

Open and be provided with T-slot 9 on cave bar 5 and fertilising bar 6, and the inside of T-slot 9 is equipped with T-block 10, T-block 10 it is upper Side is equipped with reset spring 11, and T-block 10 by reset spring 11 and T-slot 9 respectively with open cave bar 5 and fertilising bar 6 mutually Connection, and the outside for opening cave bar 5 and the bar 6 that applies fertilizer is respectively mounted with teeth piece 12, and first gear 13 and second gear 14 are located at Open cave bar 5 and apply fertilizer bar 6 right side, and first gear 13 and second gear 14 by tooth block 12 respectively with open cave bar 5 and apply Fertile bar 6 is connected with each other, and connecting shaft 15 is mounted in first gear 13 and second gear 14, first gear 13, the second tooth Wheel 14 is identical with 26 structure of third gear, equal in magnitude, and first gear 13, second gear 14 and third gear 26 pass through tooth block 12 respectively with open cave bar 5, fertilising bar 6 and soil finishing pole 22 engage connection, facilitate first gear 13, second gear 14 and third gear 26 push respectively and open cave bar 5, fertilising bar 6 and soil finishing pole 22 and extend downwardly, and make out cave bar 5, fertilising bar 6 and soil finishing pole 22 Stretching frequency it is consistent；

It opens and offers regulating tank 16 on cave bar 5 and fertilising bar 6, and the inside of regulating tank 16 is equipped with top plate 17, top plate 17 Lower section is connected with draught line 18, and top plate 17 is connected with each other by draught line 18 and open-and-close mechanism 19, and opens cave bar 5 and fertilising Bar 6 is connected with each other with the first isolation board 20 and the second isolation board 21 by open-and-close mechanism 19 respectively, and top plate 17 is " T " font knot Structure, and top plate 17 and regulating tank 16 constitute slide construction, and top plate 17, regulating tank 16 and draught line 18 constitute trigger mechanism, The trigger mechanism is provided with two groups, and two groups of trigger mechanisms are located at out the lower end of cave bar 5 and the bar 6 that applies fertilizer, and conveniently pushes top plate The 17 soul-stirring slidings in regulating tank 16, so that trigger mechanism triggering open-and-close mechanism 19 works；

Open-and-close mechanism 19 includes loop bar 1901, horizontal axis 1902, take-up pulley 1903 and volute spring 1904, and open-and-close mechanism 19 is logical Cross horizontal axis 1902 respectively with open cave bar 5 and fertilising bar 6 is connected with each other, and the outside of horizontal axis 1902 is equipped with volute spring 1904, horizontal axis 1902 is connected with each other by volute spring 1904 and loop bar 1901, and loop bar 1901 is fixedly connected with take-up pulley 1903, Take-up pulley 1903 and draught line 18 are connected with each other, and are conducive to draught line 18 and take-up pulley 1903 drives loop bar 1901 in horizontal axis 1902 On moved, open-and-close mechanism 19 by horizontal axis 1902 respectively with open cave bar 5 and the fertilising composition rotational structure of bar 6, and horizontal axis 1902 constitute rotational structure by volute spring 1904 and loop bar 1901, and volute spring 1904 and loop bar 1901 are constituted and resetted Mechanism is conducive to open-and-close mechanism 19 and the first isolation board 20 and the second isolation board 21 is driven to be rotarily opened, while facilitating reset Mechanism drives the first isolation board 20 and the second isolation board 21 to carry out spinning reduction closing, and soil finishing pole 22 is located at the right side of second gear 14 Side, and the lower section of soil finishing pole 22 is equipped with rotary shaft 23, and soil finishing pole 22 is connected with each other by rotary shaft 23 and soil-suppressing board 24, The top of soil-suppressing board 24 is equipped with connecting spring 25, and soil-suppressing board 24 is connected with each other by connecting spring 25 and soil finishing pole 22, the Three gears 26 are located at the right side of soil finishing pole 22, and third gear 26 by connecting shaft 15 respectively with 28 phase of the second transverse slat 27 and wheel It connects, driving wheel 29 is installed, and the inside of driving wheel 29 is equipped with transmission belt 30, and third gear 26 in connecting shaft 15 It is connected with each other by connecting shaft 15, driving wheel 29 and transmission belt 30 and second gear 14.

Working principle: according to Fig. 1, seed and fertilizer are placed individually into out cave bar 5 and the material for 6 top of bar of applying fertilizer first In bucket 3, then peasant household holds barre 4 and the open hole device is carried out linear pushing, and then the open hole device is carried out by wheel 28 Movement, so that wheel 28 starts to be rotated counterclockwise, wheel 28 drives connecting shaft 15 to be rotated counterclockwise at this time, thus even Spindle 15 starts that first gear 13 and third gear 26 is driven to be rotated counterclockwise respectively, and then third gear 26 is further through even Spindle 15, driving wheel 29 and transmission belt 30 drive second gear 14 to be rotated counterclockwise, at this time first gear 13, second gear 14 and third gear 26 is driven respectively by tooth block 12 open cave bar 5, apply fertilizer bar 6 and soil finishing pole 22 are stretched to the lower section of the second transverse slat 27 Out；

According to Fig. 1-6, is driven respectively in first gear 13, second gear 14 and third gear 26 by tooth block 12 and open cave bar 5, opened While cave bar 5 and soil finishing pole 22 are stretched out to the lower section of the second transverse slat 27, opens cave bar 5 and pass through T-slot 9 and T-block 10 to downslide It is dynamic to stretch out insertion soil ground, and open the band hopper 7 on cave bar 5 and moved downwards, the seed in silo 3 is then along inclination Bottom slide into band hopper 7, then open cave bar 5 and band hopper 7 driven to continue to extend downwardly, thus sliding with the seed in hopper 7 Enter in valve port 2, seed is slid into discharge nozzle 8 by valve port 2 again, and the setting with hopper 7, valve port 2 and discharge nozzle 8 is to ensure out Cave bar 5 could only trigger in seed transport to discharge nozzle 8 in the case where extending downwardly, and prevent seed from broadcasting with generation transmission Kind situation, when seed slides into discharge nozzle 8, the lower end for opening cave bar 5 is persistently inserted under earth's surface by the first isolation board 20, directly Top plate 17 on to the split cave bar 5 of earth's surface is pushed upwards, and top plate 17 drives draught line 18 upward in regulating tank 16 at this time It is slided, so that top plate 17 lifts draught line 18, the trigger mechanism that top plate 17 and draught line 18 are constituted at this time is split It closes mechanism 19 to be triggered, drives take-up pulley 1903 to be rotated while draught line 18 is lifted upwards, thus take-up pulley 1903 drive loop bars 1901 are rotated on horizontal axis 1902 by volute spring 1904, and then loop bar 1901 drives the first isolation Plate 20 carry out Unscrew, the first isolation board 20 while carrying out Unscrew by soil to the outside of the first isolation board 20 into Row is pushed open, just completes out cave operation at this time, and after the first isolation board 20 is opened, open the seed in 5 top discharge pipe 8 of cave bar It falls into the soil pit held successfully；

According to Fig. 1-7, when opening the completion of cave bar 5 and opening cave and sowing, peasant household continues the linear pushing open hole device, until Wheel 28 by connecting shaft 15 drive the rotation of first gear 13 to open cave bar 5 and be disconnected, open cave bar 5 at this time in T-slot 9 Reset spring 11 drive under promoted to the top of the second transverse slat 27, until opening cave bar 5 and being disconnected with earth's surface, at this time Top plate 17 loses pushing for earth's surface and drives draught line 18 to be slid downwards by regulating tank 16, so that take-up pulley 1903 loses and leads The lifting of lead 18, and then take-up pulley 1903 and loop bar 1901 are enterprising in horizontal axis 1902 under the storage power effect of volute spring 1904 The rotation of row opposite direction, and take-up pulley 1903 simultaneously winds draught line 18, until loop bar 1901 drives the first isolation board 20 Restore closed state；

According to Fig. 1-7, after the first isolation board 20 restores closed state, peasant household continues to press on open hole device advance, opens cave bar 5 Next round is carried out under the drive of connecting shaft 15 and first gear 13 and opens bunch planting kind, due to first gear 13,14 and of second gear The size and structure of third gear 26 are all the same, thus when open cave bar 5 start carry out a new round open bunch planting kind when, apply fertilizer bar 6 Stroke just move to out above the previous soil pit held successfully of cave bar 5, according to above-mentioned principle, the bar 6 that applies fertilizer is in second gear 14 Drive under protrude into soil pit, earth's surface pushes the top plate 17 on fertilising bar 6, thus what top plate 17 and draught line 18 were constituted Trigger mechanism triggers open-and-close mechanism 19, and then loop bar 1901 drives the second isolation board 21 to carry out Unscrew, applies at this time Waste material in fertile 6 top discharge pipe 8 of bar is fallen into the soil pit for completing sowing, and peasant household continues to press on the open hole device, second gear 14 It is disconnected with fertilising bar 6, fertilising bar 6 retracts initial position, and the second isolation board 21 completes closure, and then just completes fertilising behaviour Make；

According to Fig. 1 and 7, after completing fertilizing operation, peasant household continues to press on open hole device advance, at this time 22 lower section of soil finishing pole Soil-suppressing board 24 contacted under the promotion of connecting spring 25 with earth's surface, soil-suppressing board 24 pushes soil, according to above-mentioned Principle, when above the soil pit that soil finishing pole 22 moves to Shi Wanfei, soil-suppressing board 24 has just applied soil push-in in the soil pit of fertilizer, And soil finishing pole 22 extends downwardly under the drive of third gear 26, so that soil finishing pole 22 squeezes soil-suppressing board 24, Jin Erping Native plate 24 is gradually rotated in the lower section of soil finishing pole 22 to horizontal position by rotary shaft 23, and soil finishing pole 22 can pass through soil-suppressing board 24 pairs of soil pits for completing soil are slightly filled and led up, the open hole device so far just complete out cave, sowing, apply fertilizer and banket it is one whole Process is covered, peasant household only need to persistently push the open hole device to move along a straight line according to above-mentioned principle, which just can weigh It is multiple to complete to open cave, sowing, a whole set of process applied fertilizer and banketed, until the soil sowing that will need to sow terminates, it is such a Small agricultural is convenient for people to use with semi-automatic soil open hole device.

It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.

Claims (7)

1. a kind of small agricultural semi-automatic soil open hole device, including the first transverse slat (1), first gear (13), the second tooth Take turns (14), soil finishing pole (22) and third gear (26), it is characterised in that: it is offered valve port (2) on first transverse slat (1), and It is separately installed with silo (3) and barre (4) above first transverse slat (1), is separately installed with out on the inside of the silo (3) Cave bar (5) and fertilising bar (6), and open and offer in cave bar (5) and fertilising bar (6) with hopper (7), and open cave bar (5) and It is reserved with discharge nozzle (8) in fertilising bar (6), described open is provided with T-slot (9) in cave bar (5) and fertilising bar (6), and T-type It is equipped with T-block (10), is equipped with reset spring (11) above the T-block (10), and T-block (10) on the inside of slot (9) By reset spring (11) and T-slot (9) respectively with open cave bar (5) and fertilising bar (6) be connected with each other, and open cave bar (5) and It is respectively mounted with teeth piece (12) on the outside of fertilising bar (6), the first gear (13) and second gear (14) are located at out cave bar (5) and fertilising bar (6) right side, and first gear (13) and second gear (14) pass through tooth block (12) respectively with open cave bar (5) it is connected with each other with fertilising bar (6), and is mounted on connecting shaft (15), institute in first gear (13) and second gear (14) It states out and is offered regulating tank (16) in cave bar (5) and fertilising bar (6), and top plate (17) are installed on the inside of regulating tank (16), It is connected with draught line (18) below the top plate (17), and top plate (17) is mutual by draught line (18) and open-and-close mechanism (19) Connection, and open cave bar (5) and fertilising bar (6) pass through open-and-close mechanism (19) be isolated respectively with the first isolation board (20) and second Plate (21) is connected with each other, and the soil finishing pole (22) is located at the right side of second gear (14), and is equipped with below soil finishing pole (22) Rotary shaft (23), and soil finishing pole (22) is connected with each other by rotary shaft (23) and soil-suppressing board (24), the soil-suppressing board (24) Top is equipped with connecting spring (25), and soil-suppressing board (24) is connected with each other by connecting spring (25) and soil finishing pole (22), described Third gear (26) is located at the right side of soil finishing pole (22), and third gear (26) by connecting shaft (15) respectively with the second transverse slat (27) it is connected with each other with wheel (28), is equipped with driving wheel (29) on the connecting shaft (15), and the inside peace of driving wheel (29) Equipped with transmission belt (30), and third gear (26) passes through connecting shaft (15), driving wheel (29) and transmission belt (30) and the second tooth (14) are taken turns to be connected with each other.

2. a kind of small agricultural according to claim 1 semi-automatic soil open hole device, it is characterised in that: the valve Mouthful (2) and be trapezium structure with hopper (7), and the height of valve port (2) be greater than between hopper (7) and discharge nozzle (8) away from From.

3. a kind of small agricultural according to claim 1 semi-automatic soil open hole device, it is characterised in that: described to open Cave bar (5) is identical with the fertilising upper end internal structure of bar (6), and opens cave bar (5) and fertilising bar (6) by reset spring (11) Stretching structure is constituted with T-block (10) and the second transverse slat (27).

4. a kind of small agricultural according to claim 1 semi-automatic soil open hole device, it is characterised in that: described the One gear (13), second gear (14) are identical with third gear (26) structure, equal in magnitude, and first gear (13), the second tooth Wheel (14) and third gear (26) by tooth block (12) respectively with open cave bar (5), apply fertilizer bar (6) and soil finishing pole (22) company of engagement It connects.

5. a kind of small agricultural according to claim 1 semi-automatic soil open hole device, it is characterised in that: the top Plate (17) is " T " font structure, and top plate (17) and regulating tank (16) constitute slide construction, and top plate (17), regulating tank (16) and draught line (18) constitutes trigger mechanism, which is provided with two groups, and two groups of trigger mechanisms are located at out cave bar (5) and fertilising bar (6) lower end.

6. a kind of small agricultural according to claim 1 semi-automatic soil open hole device, it is characterised in that: described to open Closing mechanism (19) includes loop bar (1901), horizontal axis (1902), take-up pulley (1903) and volute spring (1904), and open-and-close mechanism (19) by horizontal axis (1902) respectively with open cave bar (5) and fertilising bar (6) be connected with each other, and horizontal axis (1902) outside install Have volute spring (1904), horizontal axis (1902) is connected with each other by volute spring (1904) and loop bar (1901), loop bar (1901) It is fixedly connected with take-up pulley (1903), take-up pulley (1903) and draught line (18) are connected with each other.

7. a kind of small agricultural according to claim 6 semi-automatic soil open hole device, it is characterised in that: described to open Close mechanism (19) by horizontal axis (1902) respectively with open cave bar (5) and fertilising bar (6) constitute rotational structure, and horizontal axis (1902) lead to It crosses volute spring (1904) and loop bar (1901) and constitutes rotational structure, and volute spring (1904) and loop bar (1901) are constituted again Position mechanism.