CN209527081U - A kind of anti-loosening safe loosenning tiller suitable for loosening the soil to red soil - Google Patents

Abstract

The utility model discloses a kind of anti-loosening safe loosenning tillers suitable for loosening the soil to red soil, its structure includes handrail, dust board, loosen the soil knife, ground-wheel, body, the side mechanical connection of body has handrail, another side bottom of body is equipped with ground-wheel, the inside of ground-wheel is equipped with the knife that loosens the soil being sequentially connected with body, compared with prior art, the utility model has the beneficial effects that: the knife that loosens the soil of the loosenning tiller passes through anti-loose fastening device, anchorage bar, cutterhead, mounting hole, bolt, the combination of nut is arranged, have the function of anti-loosening, so that loosenning tiller is when loosening the soil to red soil, either loosen the soil knife direction of rotation it is identical as the direction of rotation of spiral, on the contrary, or red soil is more glutinous heavy and forces in the knife that loosens the soil, it all will not be to bolt, nut has an impact, bolt can be effectively prevent to loosen, to It can be avoided blade to be thrown out of, use is safer.

Description

A kind of anti-loosening safe loosenning tiller suitable for loosening the soil to red soil

Technical field

It is specifically a kind of anti-loosening suitable for loosening the soil to red soil the utility model relates to agricultural machinery technological field Safe loosenning tiller.

Background technique

Anthropogenic soil be by the farming of the mankind, fertilising, fill row, the productions activity such as soil improvement influences and that is transformed is suitable for The soil of crop growthing development, the main Types of anthropogenic soil have black earth, loess, red soil, rice soil, purple soil, are planting Require to carry out operation of loosening the soil to soil when crops, generally be loosened the soil using loosenning tiller, for red soil, because its quality compared with Viscous weight, and existing loosenning tiller has the disadvantage that during loosening the soil since technology is not perfect

The knife that loosens the soil of existing loosenning tiller mostly uses greatly rotary blade to be mounted on cutterhead by bolt, nut, and bolt, nut To be horizontally mounted, as bolt, nut screw direction it is opposite with the direction of rotation for the knife that loosens the soil when, therefore the knife that loosens the soil is in high speed rotation mistake Cheng Zhong, bolt, nut are easily there is a phenomenon where loosening, and so as to cause loosening the soil, knife is detached from cutterhead, greatly may cause to hurt to human body Evil, as bolt, nut to screw direction identical with the direction of rotation for the knife that loosens the soil, since power is mutual, and red soil is more viscous weighs, Rotary blade applies more energetically that red soil also forces in rotary blade while red soil, and loosens the soil knife during loosening the soil for a long time, therefore Bolt, nut are also resulted in easily there is a phenomenon where loosening, and are based on centrifugal force, the knife that loosens the soil can be thrown out of, and the knife that loosens the soil may be only It is frayed, it is also possible to be broken off.

Utility model content

The main purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of suitable for loosening the soil to red soil Anti-loosening safe loosenning tiller.

The utility model adopts the following technical solution to realize: a kind of suitable for loosening the soil to the anti-loosening safety that red soil loosens the soil Machine, structure include handrail, dust board, the knife that loosens the soil, ground-wheel, body, and the side mechanical connection of the body has handrail, Another side bottom of the body is equipped with ground-wheel, and the inside of the ground-wheel is equipped with the knife that loosens the soil being sequentially connected with body, The top of the knife that loosens the soil is equipped with to be fixed in such a way that bolt and nut connects with the dust board that is obliquely installed, the dust board On body, the knife that loosens the soil includes blade, anti-loose fastening device, anchorage bar, cutterhead, mounting hole, bolt, nut, described The mounting hole of circular configuration is offered on the center of cutterhead, is equipped with blade, the spiral shell in positive 4 orientation of the cutterhead Bolt from it is lower from above sequentially pass through blade, cutterhead and be threadedly coupled with nut, the anchorage bar level is described through bolt Anchorage bar is located at the top of nut in parallel and both ends are respectively connected with anti-loose fastening device, and the anti-loose fastening device and cutterhead connect It connects.

As optimization, the anti-loose fastening device includes folder cylinder, telescopic rod, hollow, non-woven fabrics, turntable, screw rod, spiral shell Female secondary, one end of the screw rod is vertically connected with turntable, pair of nut, the top of the pair of nut is threaded on the screw rod It is fixedly connected with the bottom of hollow, the outer wall of the hollow is connected with non-woven fabrics, and the hollow passes through telescopic rod and folder Cylinder connection, the folder cylinder are matched with anchorage bar, and the non-woven fabrics is also attached to cutterhead, and the screw rod is built in cutterhead, institute State the side that turntable is embedded in cutterhead.

As optimization, the hollow includes the first spring, convex card bead, limit support, elastic rubber head, through-hole, the Two springs, cylinder, the bottom surface of the cylinder are connected with one end of second spring, at left and right sides of the top of the second spring Equipped with limit support, the limit support is built-in with convex card bead, the first spring, first spring and the one of convex card bead End is connected, and is equipped with through-hole at left and right sides of the lower section of the second spring, the through-hole is integrated with cylinder, described Through-hole is externally provided with the elastic rubber head being fixedly connected with cylinder, and the other end of the second spring is connected to the bottom of telescopic rod, institute The outer wall vertical for stating limit support and telescopic rod connects, and the cylinder connect with pair of nut, the cylinder also pass through non-woven fabrics and Cutterhead connection.

As optimization, the cutterhead includes fluted, threaded hole, disk body, and the disk body front is plane and reverse side It opens up fluted in positive 4 orientation, the screw thread being integrated with disk body is provided on the center of the groove Hole, the groove match with one end of blade, and the threaded hole is threadedly coupled with bolt.

As optimization, the bolt includes bolt body, screw thread, channel, sponge ring, is provided on the bolt body The top of screw thread, the screw thread is equipped with channel, and the channel is provided on the bolt body being integrated therewith, described logical Through having sponge ring and the two using excessively cooperation in road, the anchorage bar through sponge ring, the screw thread and threaded hole into Row is threadedly coupled.

As optimization, the screw thread uses angular thread.

As optimization, the limit support is arranged in hollow cylindrical structure.

As optimization, the anchorage bar is the setting of totally enclosed cylindrical structure.

As optimization, the cutterhead is in valve deck type structure setting.

As optimization, the interior bore of the elasticity rubber head is slightly larger than the bore of convex card bead and elastic rubber head uses rubber material Matter.

Beneficial effect

Compared with prior art, the utility model provides a kind of suitable for loosening the soil to the anti-loosening safety that red soil loosens the soil Machine, have it is following the utility model has the advantages that

The utility model is carried out by opening up groove, groove in four just a orientation of cutterhead by bolt, nut The installation of blade is easily installed and dismantles, and cutterhead is in valve deck type structure setting, can reduce the material of production cutterhead, while knife 4 arc surfaceds of disk can also loosen the soil to red soil, help to improve effect of loosening the soil, and the setting of groove can play blade It to the effect of limit, prevents blade from the phenomenon that rotation occur, further improves the stability of blade, the screw thread of bolt uses three Angle screw thread has stability based on triangle, can be improved the tightness of bolt, further increased and increase blade and cutterhead Installation fastness；

The utility model on bolt by opening up a channel and channel is embedded with sponge ring, so that anchorage bar can not only It is enough firmly to cooperate with bolt, also play the role of limit to nut, nut is effectively prevent to loosen because of rotation, makes simultaneously Must be seamless between anchorage bar and channel, prevent red soil from entering；

The utility model has height by the combination setting of the components such as folder cylinder, telescopic rod, hollow, screw rod, pair of nut Telescopic function can inside contract telescopic rod to hollow before anchorage bar is installed, and enable anchorage bar through channel , can be overhanging to hollow by telescopic rod after anchorage bar installation without being limited by folder cylinder, so that folder cylinder face anchorage bar, and Make screw thread pair drive folder cylinder mobile to anchorage bar direction by the rotation of screw rod and it is clamped, effectively prevent fastening Bar rotates, thus play the role of limit to bolt, the direction of rotation for the knife that either loosens the soil and the direction of rotation phase of spiral With or on the contrary, still the more glutinous weight of red soil and force in the knife that loosens the soil, bolt, nut will not all be had an impact, can be had Effect prevents bolt from loosening, and so as to avoid blade from being thrown out of, use is safer.

Detailed description of the invention

Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model Sign, objects and advantages will become more apparent upon:

Fig. 1 is that the utility model is a kind of suitable for the structural schematic diagram of the anti-loosening safe loosenning tiller to loosen the soil to red soil.

Fig. 2 is the structural schematic diagram of the knife that loosens the soil of the utility model.

Fig. 3 is the structural schematic diagram of the rearview of A in Fig. 2.

Fig. 4 is the structural schematic diagram of another working condition in Fig. 3.

The structural schematic diagram of the enlarged drawing of B in Fig. 5 Fig. 4.

Fig. 6 is the structural schematic diagram of the bottom view of cutterhead in Fig. 2.

Fig. 7 is the structural schematic diagram of the bolt of the utility model.

In figure, the corresponding relationship of component names and accompanying drawing number are as follows:

It is handrail -1, dust board -2, the knife -3 that loosens the soil, ground-wheel -4, body -5, blade -30, anti-loose fastening device -31, tight Solid rod -32, cutterhead -33, mounting hole -34, bolt -35, nut -36, folder cylinder -311, telescopic rod -312, hollow -313, nonwoven Cloth -314, turntable -315, screw rod -316, pair of nut -317, the first spring -313a, convex card bead -313b, limit support - 313c, elastic rubber head -313d, through-hole -313e, second spring -313f, cylinder -313g, groove -330, threaded hole -331, disk Body -332, bolt body -350, screw thread -351, channel -352, sponge ring -353.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " phase Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, it can also be indirectly connected through an intermediary.For this For the those of ordinary skill in field, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.

Fig. 1-7 is please referred to, the utility model provides a kind of anti-loosening safe loosenning tiller technology suitable for loosening the soil to red soil Scheme: its structure includes handrail 1, dust board 2, the knife 3 that loosens the soil, ground-wheel 4, body 5, the side mechanical connection of the body 5 There is handrail 1, another side bottom of the body 5 is equipped with ground-wheel 4, and the inside of the ground-wheel 4 is equipped with to be driven with body 5 The knife 3 that loosens the soil of connection, the top of the knife 3 that loosens the soil, which is equipped with, passes through bolt spiral shell with the dust board 2 that is obliquely installed, the dust board 2 Mother connection mode be fixed on on body 5, the knife 3 that loosens the soil include blade 30, anti-loose fastening device 31, anchorage bar 32, Cutterhead 33, mounting hole 34, bolt 35, nut 36 offer the mounting hole 34 of circular configuration on the center of the cutterhead 33, Be equipped with blade 30 in positive 4 orientation of the cutterhead 33, the bolt 35 from it is lower from above sequentially pass through blade 30, cutterhead 33 and It is threadedly coupled with nut 36, the anchorage bar 32 is horizontal through bolt 35, and the anchorage bar 32 is located at nut 36 in parallel Top and both ends be respectively connected with anti-loose fastening device 31, the anti-loose fastening device 31 is connect with cutterhead 33.

The anti-loose fastening device 31 includes folder cylinder 311, telescopic rod 312, hollow 313, non-woven fabrics 314, turntable 315, screw rod 316, pair of nut 317, one end of the screw rod 316 are vertically connected with turntable 315, and screw thread connects on the screw rod 316 It is connected to pair of nut 317, the top of the pair of nut 317 is fixedly connected with the bottom of hollow 313, outside the hollow 313 Wall is connected with non-woven fabrics 314, and the hollow 313 is connect by telescopic rod 312 with folder cylinder 311, the folder cylinder 311 and anchorage bar 32 match, and the non-woven fabrics 314 is also attached to cutterhead 33, and the screw rod 316 is built in cutterhead 33, and the turntable 315 is embedding Enter in the side of cutterhead 33.

The hollow 313 includes the first spring 313a, convex card bead 313b, limit support 313c, elastic rubber head 313d, through-hole 313e, second spring 313f, the bottom surface of cylinder 313g, the cylinder 313g and one end phase of second spring 313f Connection, the top left and right sides of the second spring 313f are equipped with limit support 313c, and the limit support 313c's is built-in There are convex card bead 313b, the first spring 313a, the first spring 313a is connected with one end of convex card bead 313b, and described It is equipped with through-hole 313e at left and right sides of the lower section of two spring 313f, the through-hole 313e and cylinder 313g is integrated, institute It states through-hole 313e and is externally provided with the elastic rubber head 313d being fixedly connected with cylinder 313g, the other end connection of the second spring 313f In the bottom of telescopic rod 312, the limit support 313c is connect with the outer wall vertical of telescopic rod 312, the cylinder 313g and spiral shell Female pair 317 connects, and the cylinder 313g also passes through non-woven fabrics 314 and connect with cutterhead 33, and the setting of the hollow 313 is so that stretch Contracting bar 312 has the function of flexible, inside contracts telescopic rod 312 before anchorage bar 32 is installed so that the installation of anchorage bar 32 not by The limitation of cylinder 311 is pressed from both sides, can be overhanging by telescopic rod 312 after the installation of anchorage bar 32, drive folder cylinder 311 to press from both sides by screw thread pair 317 Tightly solid rod 32 effectively prevent anchorage bar 32 to rotate.

The cutterhead 33 includes fluted 330, threaded hole 331, disk body 332, and 332 front of disk body is anti-for plane Fluted 330 are opened up in positive 4 orientation in face, is provided on the center of the groove 330 and is integrated with disk body 332 Change the threaded hole 331 of structure, the groove 330 matches with one end of blade 30, and the threaded hole 331 carries out spiral shell with bolt 35 Line connection, the setting of the groove 330 can play the role of limit to blade, prevent blade from the phenomenon that rotation occur, into one Step improves the stability of blade.

The bolt 35 includes bolt body 350, screw thread 351, channel 352, sponge ring 353, the bolt body 350 On be provided with screw thread 351, the top of the screw thread 351 is equipped with channel 352, and the channel 352 is provided with therewith as integration knot On the bolt body 350 of structure, through having sponge ring 353 and the two is using excessively cooperation, the anchorage bar 32 in the channel 352 Through sponge ring 353, the screw thread 351 is threadedly coupled with threaded hole 331, and the setting setting in the channel 352 is convenient for The installation of anchorage bar 32, and the setting of sponge ring 353 increases the fastness of anchorage bar 32 and bolt body 350, while making tight It is seamless between solid rod 32 and channel 352, prevent red soil from entering.

The screw thread 351 uses angular thread, has stability based on triangle, therefore improves the tightness of bolt 35, It further increases and increases blade 30 and 33 installation fastness of cutterhead.

The limit support 313c is arranged in hollow cylindrical structure, plays the role of limit to the first spring 313a, Also play the role of guiding to the movement of convex card bead 313b.

The anchorage bar 32 is the setting of totally enclosed cylindrical structure, and red soil is effectively prevent to enter in anchorage bar 32.

The cutterhead 33 is in valve deck type structure setting, can reduce the material of production cutterhead, further reduced cutterhead 33 Cost of manufacture, to help to improve profit, while 4 arc surfaceds of cutterhead 33 can also loosen the soil to red soil, help It loosens the soil effect in raising.

The interior bore of the elasticity rubber head 313d is slightly larger than the bore of convex card bead 313b, enters convenient for convex card bead 313b Elastic rubber head 313d, the elasticity rubber head 313d use rubber material, and when stress can deform, can be automatic extensive when not stressing Shape is restored, while the setting of elastic rubber head 313d is outer in order not to allow through-hole 313e to be exposed to, so as to avoid red soil from entering cylinder In vivo.

Working principle of the utility model is: the one end with holes of blade 30 is placed in groove 330 when carrying out the installation of blade Place sequentially passes through blade 30, threaded hole 331 by bolt body 350, then nut 36 is screwed in bolt body 350, by anchorage bar After 32 horizontal through sponge ring 353, convex card bead 313b is pressed by elastic rubber head 313d, is led to until convex card bead 313b is detached from Hole 313e, second spring 313f provides thrust to telescopic rod 312 due to be resetted by compression at this time, so that 312 band of telescopic rod Dynamic folder cylinder 311 rises, and the opening face anchorage bar 32 of cylinder 311 is pressed from both sides at this time, by rotating turntable 315, so that screw rod 316 is rotating While drive pair of nut 317 mobile, to press from both sides cylinder 311 through anchorage bar 32 by hollow 313, telescopic rod 312 It is clamped；

When carrying out the disassembly of blade, turntable 315 is first rotated, so that after folder cylinder 311 passes through separate anchorage bar 32, then to folder cylinder 311 pressures so that second spring 313f stress and driven telescopic rod 312 to inside contract to hollow 313 by compression, until convex card Pearl 313b is not limited by 313 inner wall of hollow, and makes the first spring 313a due to be resetted by compression and to convex card bead 313 provide thrust, so that convex card bead 313 passes through through-hole 313e, successively dismantle anchorage bar 32, nut 36, bolt 35, blade 30。

In conclusion the technological progress that the utility model obtains compared with the prior art is: the knife that loosens the soil of the loosenning tiller passes through Anti-loose fastening device, anchorage bar, cutterhead, mounting hole, bolt, nut combination setting, have the function of it is anti-loosening so that loosening the soil For machine when loosening the soil to red soil, the direction of rotation for the knife that either loosens the soil is identical as the direction of rotation of spiral, on the contrary, still red soil It more sticks weight and forces in the knife that loosens the soil, bolt, nut will not all be had an impact, bolt can be effectively prevent to loosen, So as to avoid blade from being thrown out of, use is safer.

Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art Say, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic into Row equivalent replacement, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all It is included within the scope of protection of this utility model.

Claims (5)

1. a kind of anti-loosening safe loosenning tiller suitable for loosening the soil to red soil, structure includes handrail (1), dust board (2), pine The side mechanical connection of native knife (3), ground-wheel (4), body (5), the body (5) has handrail (1), the body (5) Another side bottom is equipped with ground-wheel (4), and the inside of the ground-wheel (4) is equipped with the knife that loosens the soil being sequentially connected with body (5) (3), the top of the knife that loosens the soil (3), which is equipped with, passes through bolt and nut company with the dust board (2) that is obliquely installed, the dust board (2) The mode connect be fixed on body (5) on, it is characterised in that:

The knife that loosens the soil (3) includes blade (30), anti-loose fastening device (31), anchorage bar (32), cutterhead (33), mounting hole (34), bolt (35), nut (36) offer the mounting hole (34) of circular configuration, institute on the center of the cutterhead (33) It states and is equipped with blade (30) in positive 4 orientation of cutterhead (33), the bolt (35) is from lower from above sequentially passing through blade (30), knife Disk (33) and be threadedly coupled with nut (36), the anchorage bar (32) is horizontal through bolt (35), the anchorage bar (32) it is located at the top of nut (36) in parallel and both ends is respectively connected with anti-loose fastening device (31), the anti-loose fastening device (31) It is connect with cutterhead (33).

2. a kind of anti-loosening safe loosenning tiller suitable for loosening the soil to red soil according to claim 1, it is characterised in that: institute Stating anti-loose fastening device (31) includes folder cylinder (311), telescopic rod (312), hollow (313), non-woven fabrics (314), turntable (315), one end of screw rod (316), pair of nut (317), the screw rod (316) is vertically connected with turntable (315), the screw rod (316) it is threaded on pair of nut (317), the fixed company in the top of the pair of nut (317) and the bottom of hollow (313) It connects, the outer wall of the hollow (313) is connected with non-woven fabrics (314), and the hollow (313) passes through telescopic rod (312) and folder Cylinder (311) connection, the folder cylinder (311) match with anchorage bar (32), and the non-woven fabrics (314) is also attached to cutterhead (33), The screw rod (316) is built in cutterhead (33), and the turntable (315) is embedded in the side of cutterhead (33).

3. a kind of anti-loosening safe loosenning tiller suitable for loosening the soil to red soil according to claim 2, it is characterised in that: institute Stating hollow (313) includes the first spring (313a), convex card bead (313b), limit support (313c), elastic rubber head (313d), through-hole (313e), second spring (313f), cylinder (313g), the bottom surface of the cylinder (313g) and second spring The one end of (313f) is connected, and limit support (313c) is equipped at left and right sides of the top of the second spring (313f), described Limit support (313c) is built-in with convex card bead (313b), the first spring (313a), first spring (313a) and convex One end of card bead (313b) is connected, and is equipped with through-hole (313e) at left and right sides of the lower section of the second spring (313f), described Through-hole (313e) is integrated with cylinder (313g), and the through-hole (313e), which is externally provided with, to be fixedly connected with cylinder (313g) The other end of elastic rubber head (313d), the second spring (313f) is connected to the bottom of telescopic rod (312), the limit support (313c) is connect with the outer wall vertical of telescopic rod (312), and the cylinder (313g) connect with pair of nut (317), the cylinder (313g) is also connect by non-woven fabrics (314) with cutterhead (33).

4. a kind of anti-loosening safe loosenning tiller suitable for loosening the soil to red soil according to claim 1 or 3, feature exist In: the cutterhead (33) includes fluted (330), threaded hole (331), disk body (332), and the disk body (332) front is flat Face and open up fluted (330) in positive 4 orientation of reverse side, be provided on the center of the groove (330) and disk The threaded hole (331) that body (332) is integrated, the groove (330) match with one end of blade (30), the screw thread Hole (331) is threadedly coupled with bolt (35).

5. a kind of anti-loosening safe loosenning tiller suitable for loosening the soil to red soil according to claim 1, it is characterised in that: institute Stating bolt (35) includes bolt body (350), screw thread (351), channel (352), sponge ring (353), the bolt body (350) be provided on screw thread (351), the top of the screw thread (351) is equipped with channel (352), the channel (352) be provided with The bolt body (350) being integrated on, through having sponge ring (353) and the two used in the channel (352) Degree cooperation, the anchorage bar (32) carry out screw thread company through sponge ring (353), the screw thread (351) and threaded hole (331) It connects.