CN205533521U - Cylinder is used in deep ploughing - Google Patents

Abstract

The utility model provides a cylinder is used in deep ploughing, includes piston and piston rod, the piston cylinder body of coaxial line and the fixed connection position of pressure cylinder body are had a perfect understanding, form fixing hole, electro -magnet bottom mounting fixed in fixing hole cushions the copper sheet, runs through electro -magnet and buffering copper sheet equipartition air through hole, electromagnetism iron ladle draws together the iron core pipe of iron core plectane and the same diameter, and the iron core pipe is fixed on the top of the iron core plectane of coaxial line, and air through hole 's disconnected profile of surface is circular -arc, and air through hole divides into groups to set up, around the axis interval distribution of iron core plectane, between adjacent two sets of air through hole on iron core plectane top, set up circumference spaced iron core stand, twine solenoid on the iron core stand, piston cylinder body and pressure cylinder body are with piston, piston rod and electro -magnet electrical insulation, on the top or lateral wall of pressure cylinder body, offer an air inlet through hole, offer a gas outlet through hole, at the fixed embedding soft magnet dish in the top of piston. The accumulation of air supply power can be realized, great explosive force is formed.

Description

A kind of deep ploughing cylinder

Technical field

The utility model relates to a kind of pressure cylinder, forms the pressure cylinder of reciprocating motion of the pistons particularly to a kind of Electromechanical Control.

Background technology

In the agro-farming operation of modernization, electromechanical equipment is utilized to complete sowing, fertilising etc. the most universal.According to technique needs, Electromechanical equipment can provide the different types of power sources such as electrical power, pressure and suction.

Such as Publication No. CN203912608U, the agricultural electromechanical equipment of entitled " cutting stalk ferti-seeding all-in-one ", relate to cutting Stalk ferti-seeding agricultural machinery, including cutting stalk machine and seeder, the draw bar cutting stalk machine is connected leading of tractor respectively with upper hanging rod Drawing axle and elevating lever, the line shaft cutting stalk machine connects the gearbox of tractor；Cut stalk machine rear portion and have combined seed and fertilizer drill by connection； The described cutting knife of stalk machine of cutting echoes before and after the fertilizing plough leg of combined seed and fertilizer drill and sowing plough leg lengthwise position.Of the present utility model have Benefit effect is: installs additional in seeder front portion and cuts stalk machine, uses in advance two groups of cutting knife backward crossovers to chop stalk for cutting, thus can conveniently by Maize straw is chopped into the pipe nipple that length is suitable；On the one hand the reservation of straw nutrition is conducive to；On the one hand the plot stalk chopped is shorter, Good condition is created for sowing；The plot soil ratio especially chopped is more loose, preserves soil moisture effective dryly, and wetland is beneficial to earth's surface Air-dry, it is simple to the sowing of crops；Fertilising is high with seeding quality.

Such as Publication No. CN204598601U, the agricultural electromechanical equipment of entitled " a kind of valve-type multifunctional precision seeder ", Including rotary cultivator attachment and fertilizing and seeding apparatus；Equipped with blower fan on the rotary tillage support of rotary cultivator attachment；Fertilizing and seeding apparatus is by ferti-seeding Frame, transmission long axis, fertilizer applicator, precision seeding machine and power land wheel are constituted, equipped with fertilizer applicator in ferti-seeding frame；Fertilising Equipped with transmission long axis in the ferti-seeding frame of device rear end, by installing rack equipped with dynamic in the ferti-seeding frame below transmission long axis Power land wheel, equipped with precision seeding machine in the ferti-seeding frame between transmission long axis and fertilizer applicator.This seeder simple in construction, set Meter novelty, solves existing precision drilling and relies primarily on and manually carry out program request, has that efficiency is low, labour intensity big, operation quality The problems such as difference.To improving crop yield, reduce seed consumption, reduce planting cost and there is positive dissemination.

But although the Mechanical & Electrical Transmission of existing agricultural electromechanical equipment has utilized power transmission shaft, power land wheel to drive the motion of colter, hoe, Cooperated the techniques such as seeding and fertilizing simultaneously, but the direction of motion of colter can be caused large drag forces when in the face of intertillage, deep ploughing, The meeting stiffening frame assembly significant impact to electromechanical equipment, and cause seeding and fertilizing precise decreasing, consume mass energy.

Common cylinder includes the confession reciprocating cavity of piston driving piston rod that cylinder barrel is formed, including the cylinder cap at top, along gas The piston that cylinder inner chamber body is slided and the piston rod stretching out cylinder end, cylinder cap is for arranging turnover vent hole and the via of necessity.Gas Cylinder technology is ripe, and improved and agricultural electromechanical equipment is combined and improves what tillage method raising agronomy efficiency was possible to.

Utility model content

The purpose of this utility model is to provide a kind of deep ploughing cylinder, solve existing power part can not under existing fixed frame, Under existing power source equipment ability to bear and energy consumption level, it is provided that the technical problem of bigger power.

Deep ploughing cylinder of the present utility model, including piston and piston rod, including piston/cylinder and the pressure cylinder of coaxial line, lives The volume of plug cylinder body is identical with the volume of pressure cylinder, and the top of piston/cylinder is fixing with the bottom of pressure cylinder to be connected, the company of fixing Connect position through, form fixed via；The electromagnet of a discoid coaxial line, electromagnet bottom is fixed in fixed via The buffering copper sheet of fixed disc shape, runs through electromagnet and buffering copper sheet uniform air guide through hole；

Described electromagnet includes a flat iron core plectane and the iron core pipe of same diameter, and iron core pipe is fixed on coaxial line The top of iron core plectane, on iron core plectane top, offers through air guide through hole, and the profiled outline of air guide through hole is arc-shaped, The packet of air guide through hole is arranged, and the air guide through hole with group is spaced apart around the axis of iron core plectane with same Radius；At iron core plectane Center also offer central through hole；Between the two adjacent groups air guide through hole on iron core plectane top, or iron core pipe is led with adjacent one group Between vent hole, or between central through hole with adjacent one group of air guide through hole, circumferentially spaced iron core column is set, on iron core column It is wound around solenoid；

Piston/cylinder and pressure cylinder, with piston, piston rod and electromagnet electric insulation；

On the top or sidewall of pressure cylinder, offer an air inlet through hole, offer one and go out vent hole；

In the bottom of piston/cylinder, offering the through hole of coaxial line, arrange the piston rod of coaxial line in through hole, piston rod portion inserts In piston/cylinder, sliding and fix the piston of coaxial line in the cavity of piston/cylinder, the top connecting piston rod is fixed in the bottom of piston, At the top of piston fixedly embedded soft magnetism iron pan.

The brute spring of a coaxial line is fixed in the bottom of described piston rod, and the parts of a coaxial line are fixed in the bottom of brute spring Connecting rod, the sidewall of parts connecting rod arranges connection screw thread.

Described parts connecting rod is threaded connection conical head, and described conical head is a circular cone, top under, bottom upper, Maximum close to conical base part-conical diameter, then cone diameter successively decreases, and is provided with the blind hole of coaxial line, blind hole in conical base In matching thread is set.

Deep ploughing air cylinder structure of the present utility model is simple and reliable, it is possible to achieve the accumulation of source of the gas power, forms bigger explosive force, Reduce the impact to the fixed frame installing this deep ploughing cylinder simultaneously.Contour structures takes into account the combination needs of power, it is possible to formed Bigger active force plane, forms pressure unit different pressures, controlled in active force plane.Thus improve intertillage or deep ploughing During mode of breaking ground, the combination with existing agricultural electromechanical equipment can more effectively realize intensive cultivation.

Accompanying drawing explanation

Fig. 1 is the front sectional view of the utility model deep ploughing cylinder；

Fig. 2 is the vertical view cutaway drawing of the electromagnet of the utility model deep ploughing cylinder；

Fig. 3 is the upward view of the another kind of appearance profile of the utility model deep ploughing cylinder；

Fig. 4 is the upward view of another appearance profile of the utility model deep ploughing cylinder；

Fig. 5 is the front view of a kind of stationary arrangement structure of the utility model deep ploughing cylinder；

Fig. 6 is the top view of a kind of stationary arrangement structure of the utility model deep ploughing cylinder；

Fig. 7 is the utility model deep ploughing cylinder stationary arrangement structure schematic top plan view when existing agricultural electromechanical equipment is combined；

Fig. 8 is the powerful ferti-seeding structure of vertically ploughing of one that the utility model deep ploughing cylinder is formed；

Fig. 9 is carrier in a kind of powerful ferti-seeding structure of vertically ploughing that the utility model deep ploughing cylinder is formed Front view；

Figure 10 is the powerful ferti-seeding structure of vertically ploughing of another kind that the utility model deep ploughing cylinder is formed；

Figure 11 is another powerful ferti-seeding structure of vertically ploughing that the utility model deep ploughing cylinder is formed.

Detailed description of the invention

Below in conjunction with the accompanying drawings detailed description of the invention of the present utility model is described in detail.

As described in Figure 1, the deep ploughing cylinder of the present embodiment includes piston/cylinder 101 and pressure cylinder 102, the piston of coaxial line Cylinder body 101 and pressure cylinder 102 are all the airtight cylinder of hollow, respectively include an airtight cavity；

The volume of piston/cylinder 101 is identical with the volume of pressure cylinder 102, and the internal diameter of piston/cylinder 101 is pressure cylinder 102 Internal diameter 1/4～1/7；

The top of piston/cylinder 101 is fixing with the bottom of pressure cylinder 102 to be connected, and fixing link position is through, is formed fixing logical Hole 103；

Fixing the electromagnet 104 of a discoid coaxial line in fixed via 103, suction direction is by piston/cylinder 101 court To pressure cylinder 102, the buffering copper sheet 105 of electromagnet 104 bottom fixed disc shape, run through electromagnet 104 and buffering copper sheet 105 uniform air guide through holes 106；

On the top or sidewall of pressure cylinder 102, offer an air inlet through hole 107, offer one and go out vent hole 108, offer One wire via, air inlet through hole 107 is reliably connected with the output pipe of magnetic valve with normal pressure source of the gas, goes out vent hole 108 Being reliably connected with the intake line of magnetic valve with negative pressure source of the gas, the pilot of electromagnet 104 connects control through wire via Circuit processed, Partial controll wire is enclosed in wherein by wire via, it is ensured that the seal of pressure cylinder 102；

In the bottom of piston/cylinder 101, offer the through hole of coaxial line, through hole arranges the piston rod 110 of coaxial line, piston rod In 110 partial insertion piston/cylinders 101, the piston 111 of the fixing coaxial line that slides in the cavity of piston/cylinder 101, piston 111 Bottom fix connect piston rod 110 top, at the top of piston 111 fixedly embedded soft magnetism iron pan 112；

(coating electric insulation between piston/cylinder 101 and pressure cylinder 102, and piston 111, piston rod 110 and electromagnet 104 Material) form electric insulation.

The deep ploughing cylinder of the present embodiment is fitted with buffering copper sheet 105 at starting stage piston 111, during application, and electromagnet 104 Powering up magnetic pilot piston 111, air inlet through hole 107 inputs normal pressure, and electromagnet 104 persistently powers up, pressure cylinder 102 normal pressure Rising, reach electromagnet 104 power-off after pressure threshold, piston rod 110 is released piston/cylinder 101, is made piston rod by piston 111 110 obtain huge thrust.Air inlet through hole 107, by closed electromagnetic valve, goes out vent hole 108 and inputs negative pressure, drive piston 111 Moving laminating to buffering copper sheet 105, piston rod 110 moves with piston 111.This control process is formed and moves back and forth, permissible Form huge thrust and the pulling force of standard, make full use of this imbalance and can improve existing electromechanical equipment ruggedized construction.

As it is shown in figure 1, the top of the brute spring 113 of a coaxial line is fixed on the bottom of piston rod 110, brute spring 113 Bottom fix the parts connecting rod 114 of a coaxial line, according to agronomy needs, the sidewall of parts connecting rod 114 arranges connection Screw thread, by connecting threaded corresponding agronomy instrument.

The threaded conical head 115 of parts connecting rod 114 in the present embodiment, conical head 115 is a circular cone, top under, Bottom is upper, and maximum close to conical base part-conical diameter, then cone diameter successively decreases, and is provided with coaxial line in conical base Blind hole, blind hole arranges matching thread.

Bottom retainer ring at piston/cylinder 101 overlaps 116 around the scraping of piston rod 110, and scraping set 116 is a Teflon pipe, Scraping set 116 laminating piston rod 110 sidewall, is used for scraping the surface dust wiped on piston rod 110.

The present embodiment drives conical head 115 the most strong in ground hammering go out circular hole, along with the front enforcement ground of electromechanical equipment Face soil loosens, and the profile of conical head 115 makes piston rod 110 insert pressure concentration, and pull-out resistance is less, to agricultural electromechanics The impact of equipment is less.Coordinate with the servo-actuated colter of agricultural electromechanical equipment further, utilize colter to plough shallowly, utilize follow-up taper 115 intertill and deep plough.The present embodiment instead of digging of colter to intert to loosen the soil, and using energy source is more effective, consumes more Little.

As in figure 2 it is shown, the electromagnet 104 of the present embodiment includes the iron core circle of a flat iron core plectane 141 and same diameter Pipe 142, iron core pipe 142 is fixed on the top of the iron core plectane 141 of coaxial line, on iron core plectane 141 top, offers and passes through Logical air guide through hole 106, the profiled outline of air guide through hole 106 is arc-shaped, and air guide through hole 106 packet is arranged, with leading of group Vent hole 106 is spaced apart around the axis of iron core plectane 141 with same Radius；In the center of iron core plectane 141 is also offered Heart through hole；Between the two adjacent groups air guide through hole 106 on iron core plectane 141 top, iron core pipe 142 leads to adjacent one group of air guide Between hole 106, between central through hole with adjacent one group of air guide through hole 106, circumferentially spaced (groups of) iron core column is set 143, iron core column 143 is wound around solenoid 144, iron core plectane 141, iron core pipe 142 and iron core column 143 coat Electrically insulating material；The insulation cover plate of the hollow out that is fixed on the top of iron core pipe 142.

The electromagnet 104 of the present embodiment can provide sufficiently large winding wire to be wound around height, it is achieved bigger density of line of magnetic force, Groups of air guide through hole 106 is uniformly arranged with iron core column 143, both ensure that the uniform of the iron core plectane 141 direction magnetic line of force, In turn ensure that the quick conduction of air dielectric.

In the present embodiment, air guide through hole 106 arranges two groups, in inner ring 4, in outer ring 7；

In the present embodiment, groups of iron core column 143 arranges three groups, inner ring 4, centre circle 7,7, outer ring.

The magnetic line of force that the most groups of iron core column 143 is formed can effectively overlap enhancing, and when air dielectric quickly flows, noise is relatively Little.

In the present embodiment, piston/cylinder 101 and pressure cylinder 102 coaxial line, both appearance profiles are circular, i.e. section Profile be circular.

As it is shown on figure 3, in order to further by multiple deep ploughing cylinder close-packed arrays, form specific layout structure, right to adapt to Appearance profile (i.e. profiled outline) phase of both the agriculture requirement of agricultural electromechanical equipment, piston/cylinder 101 and pressure cylinder 102 Seemingly, the profile for geometric ratio rectangle, i.e. section is length of side geometric ratio rectangle, and the long edge lengths of preferred length of side geometric ratio rectangle is that minor face is long The twice of degree.

As shown in Figure 4, in order to further by multiple deep ploughing cylinder close-packed arrays, form specific layout structure, right to adapt to Appearance profile (i.e. profiled outline) phase of both the agriculture requirement of agricultural electromechanical equipment, piston/cylinder 101 and pressure cylinder 102 Seemingly, the profile for equilateral rhombus, i.e. section is equilateral rhombus.

The appearance profile utilizing circular, rectangle and equilateral rhombus can reasonably combine spread geometry and the arranging density of cross-member, For in a vertical manner replace plowing digged loosens the soil, apply fertilizer, sow provide flexibly fixed structure basis.

As shown in Figure 5 and Figure 6, linearly arrange, row's deep ploughing cylinder 100, the deep ploughing of center cylinder 100 are set Position is minimum, from center to direction, both sides, in adjacent two deep ploughing cylinders 100, and the outside deep ploughing work of cylinder 100 Deep ploughing pressure cylinder 102 sidewall of cylinder 100 inside the laminating of plug cylinder body 101 sidewall, the outside deep ploughing piston of cylinder 100 Deep ploughing pressure cylinder 102 top of cylinder 100 inside the laminating of cylinder body 101 bottom.This arrangement architecture both can ensure that each The pilot of deep ploughing cylinder 100 and pressure piping arrangement are smooth and easy, and identical component combination can be used again to form the quick-fried of V-arrangement Have an effect profile, adapt to agriculture requirement during interval layout and the ferti-seeding of alley when deep ploughing or intertillage, the beneficially diffusion of fertility With sowing of seed.

As it is shown in fig. 7, arrange position as dead ahead with shallow plowing colter 201, at least four rows are set at the rear of shallow plowing colter and put down The deep ploughing cylinder 100 of row, from front to back, row is deep for first row deep ploughing cylinder 100, second row deep ploughing cylinder the 100, the 3rd Ploughing by the quantity of cylinder 100 and the 4th row's deep ploughing cylinder 100 is 1,3,5,7, forms width of ploughing to colter of ploughing shallowly corresponding Tapered profiles；

Flat first is set between second row deep ploughing cylinder 100 and the 3rd row's deep ploughing cylinder 100 and sows mouth 202, Four rows arrange deep ploughing cylinder 100 rear and arrange flat second and sow mouth 203.

Being opened to both sides by thin solum along with shallow plowing colter 201 is pushed ahead, first row, second row deep ploughing cylinder are by middle level Repeatedly intert with deep soil, make soil loosen, then utilize first to sow mouth 202 and sow the fertilizer employing electromechanical equipment carrying, 3rd row, the 4th row arrange deep ploughing cylinder and the most repeatedly intert afterwards, make soil loosen further, then utilize second to sow Mouth 203 sows the seed employing electromechanical equipment carrying.The present embodiment just can complete sowing and fertilising by simple Electromechanical Control Combination.

As shown in Figure 8, on the basis of the basic structure of the deep ploughing cylinder of above-described embodiment is constant, the present embodiment be applicable to Fertilising or sowing are the main combination employing electromechanical equipment.

Fix a homoaxial carrier 210 in the bottom of piston rod 110, lay in the bottom of carrier 210 homoaxial Flexible connecting rod 230, connects agronomy instrument in the bottom of flexible connecting rod 230.

Flexible connecting rod 230, including the rigid circular pipe being linked in sequence along axis, spring and connecting circular tube, on connecting circular tube sidewall It is provided with screw thread, is threaded connection with agronomy instrument.

As it is shown in figure 9, carrier 210 includes a circular or loading plate 214 for rectangle, the edge on carrier 210 top, Being circumferentially with material retaining wall 211, concentric cannelure 212 is offered on carrier 210 top, offers and run through bottom cannelure 212 Carrier 210 sow through hole 213；Flexible connecting rod 220 is laid in the sowing between through hole 213 of carrier 210 bottom. Cover plate is arranged at carrier 210 top.

In application, along with the vertical tremor of carrier 210, material therein such as chemical fertilizer can be the most shatter, progressively sows to soil During the intertillage of earth or deep ploughing.

As shown in Figure 10, on the basis of the basic structure of the deep ploughing cylinder of above-described embodiment is constant, the present embodiment be applicable to Fine fertilising or the combination that sowing is main agricultural electromechanical equipment.

In the bottom of piston/cylinder 101, fix one with piston rod 110 coaxial line sow set 220, sow set and 220 include One annular roof plate 221 of coaxial line, contour stop straight tube 222 and stop conical pipe 223, the inner ring of annular roof plate 221 is straight Footpath is more than the diameter of piston rod 110, and the outer annular diameter of annular roof plate 221, less than the bottom profile of piston/cylinder 101, stops cone The upper end open diameter of shape pipe 223 is more than lower ending opening diameter, stops that the lower ending opening diameter of conical pipe 223 is more than stopping straight tube The external diameter of 222；Stop that the upper end open of conical pipe 223 is fixed on the outer shroud of annular roof plate 221, stop the upper of straight tube 222 End opening is fixed in the inner ring of annular roof plate 221, and annular roof plate 221 is fixed on the bottom of piston/cylinder 101, stops straight tube The support column 224 of fixed intervals between 222 and stop conical pipe 223；Stop and offer opposed material through hole 225 on conical pipe 223, Connect different chemical fertilizer respectively or seed sows pipeline.

The present embodiment can be after deep ploughing cylinder reasonable combination, when interspersed soil, utilize Electromechanical Control by fertilizer or seed with The insertion pull action of piston rod 110 is sowed exactly, accurately controls the amount of sowing.

As shown in figure 11, on the basis of the basic structure of the deep ploughing cylinder of above-described embodiment is constant, the present embodiment be applicable to Fine fertilising or sowing are the combination of main deep ploughing agronomy and agricultural electromechanical equipment.

The soft magnetism iron pan 112 being fixed as one, piston 111 and the piston rod 110 of the present embodiment, offers air guide through hole 231 along axis, In air guide through hole 231, fix at least one switch electromagnetic valve 232, the bottom sidewall of piston rod 110 is provided with screw thread；

Also including that the taper of a built-in cavity sows 233, it is an isosceles triangle that taper sows 233 along the section of axis； Taper sow 233 bottom-up, top down, taper is sowed the bottom centre of 233 and is offered and coordinate with piston rod 110 The tapped through hole connected, offers two through with built-in cavity and puts into through hole 234, connect chemical fertilizer and kind in tapped through hole both sides Sub sows pipeline, arranges non-return valve 235 in putting into through hole 234；

On the top sidewall that taper sows 233, symmetry is offered and is sowed through hole 236.

In actual application, original state, when piston 111 and electromagnet 104 are fitted, partial piston bar 110 stretches out piston/cylinder 101, it is ensured that the sowing pipeline and will not lose of the chemical fertilizer and seed being connected to put on through hole 234.When piston rod 110 is protruding Time drive taper to sow 233 to insert soil, when repeated multiple times, reach soil loose when requiring, broadcast at last inferior pyramidal Sprinkle head 233 is inserted forward position and is sowed pipeline chemical fertilizer or seed has been sent to built-in cavity；Insert along with last inferior pyramidal sows 233 Entering, in piston rod 110, the switch electromagnetic valve 232 in air guide through hole 231 is opened, and malleation gas circuit turns on, by chemical fertilizer or seed by Sow through hole 236 and spray into soil.The capacity of built-in cavity may be used for regulating chemical fertilizer amount or grain weight.

The above, only the utility model preferably detailed description of the invention, but protection domain of the present utility model is not limited to This, any those familiar with the art in the technical scope that the utility model discloses, the change that can readily occur in or Replace, all should contain within protection domain of the present utility model.Therefore, protection domain of the present utility model should be wanted with right The protection domain seeking book is as the criterion.

Claims (3)

1. a deep ploughing cylinder, including piston (111) and piston rod (110), it is characterised in that: include the work of coaxial line Plug cylinder body (101) and pressure cylinder (102), the volume of piston/cylinder (101) is identical with the volume of pressure cylinder (102), The top of piston/cylinder (101) is fixing with the bottom of pressure cylinder (102) to be connected, and fixing link position is through, is formed fixing Through hole (103)；The electromagnet (104) of a discoid coaxial line, electromagnet (104) is fixed in fixed via (103) The buffering copper sheet (105) of bottom fixed disc shape, runs through electromagnet (104) and buffering copper sheet (105) uniform air guide through hole (106)；

Described electromagnet (104) includes a flat iron core plectane (141) and the iron core pipe (142) of same diameter, iron Core pipe (142) is fixed on the top of the iron core plectane (141) of coaxial line, on iron core plectane (141) top, offers through Air guide through hole (106), the profiled outline of air guide through hole (106) is arc-shaped, air guide through hole (106) packet arrange, with The air guide through hole (106) of group is spaced apart around the axis of iron core plectane (141) with same Radius；In iron core plectane (141) Center also offer central through hole；Between two adjacent groups air guide through hole (106) on iron core plectane (141) top, or iron core circle Between pipe (142) and adjacent one group of air guide through hole (106), or between central through hole with adjacent one group of air guide through hole (106), Circumferentially spaced iron core column (143) is set, iron core column (143) is wound around solenoid (144)；

Piston/cylinder (101) and pressure cylinder (102), with piston (111), piston rod (110) and electromagnet (104) electricity Insulation；

On the top or sidewall of pressure cylinder (102), offer an air inlet through hole (107), offer one and go out vent hole (108)；

In the bottom of piston/cylinder (101), offer the through hole of coaxial line, through hole arranges the piston rod (110) of coaxial line, live In stopper rod (110) partial insertion piston/cylinder (101), the piston of the fixing coaxial line that slides in the cavity of piston/cylinder (101) (111), the fixing top connecting piston rod (110), the bottom of piston (111), fixedly embedded on the top of piston (111) Soft magnetism iron pan (112).

2. deep ploughing cylinder as claimed in claim 1, it is characterised in that: the bottom of described piston rod (110) fixes one The brute spring (113) of coaxial line, the parts connecting rod (114) of a coaxial line, portion are fixed in the bottom of brute spring (113) The sidewall of part connecting rod (114) arranges connection screw thread.

3. deep ploughing cylinder as claimed in claim 2, it is characterised in that: described parts connecting rod (114) is by screw thread even Connecing conical head (115), described conical head (115) is a circular cone, top under, bottom is upper, close to conical base part Cone diameter is maximum, and then cone diameter successively decreases, and is provided with the blind hole of coaxial line in conical base, arranges matching thread in blind hole.