CN204707410U - For the suppressing wheel device of sower - Google Patents

Abstract

The utility model provides a kind of suppressing wheel device for sower, is located at the rear portion of sower, for suppressing farmland after planting, to prevent seed suspending; It comprises press wheel, wheel carrier, and described press wheel is installed in described wheel carrier; Described wheel carrier is provided with guiding mechanism, so that described wheel carrier height adjustable ground connects the frame of sower.Relative altitude between the utility model and seeder frame is adjustable, can adjust according to actual needs whereby, increases the adaptability of the utility model and corresponding sower.

Description

For the suppressing wheel device of sower

Technical field

The utility model relates to agricultural machinery technological field, particularly a kind of suppressing wheel device for sower.

Background technology

Sower take crop seed as the planting machinery of sowing object, for the sowing of certain class or certain crop, as grain drill, corn seeding drill, cotton planter, herbage seed broadcaster etc.

After crop seed sowed by sower, because soil is soft, seed is easily unsettled, cannot implantation, need pressure to make itself and surrounding soil close contact, but current suppressing wheel device height cannot adjust, also be, the relative altitude between seeder frame and press wheel cannot be adjusted, use and have inconvenience more, there is restriction.

Summary of the invention

The purpose of this utility model is to provide a kind of suppressing wheel device for sower, to solve the nonadjustable problem of relative altitude between current press wheel and seeder frame.

In order to solve the problem, the technical solution of the utility model is as follows:

For a suppressing wheel device for sower, be located at the rear portion of sower, for suppressing farmland after planting, to prevent seed suspending; It comprises press wheel, wheel carrier, and described press wheel is installed in described wheel carrier; Described wheel carrier is provided with guiding mechanism, so that described wheel carrier height adjustable ground connects the frame of sower.

Preferably, described wheel carrier comprises front column, underframe, and described underframe takes the shape of the letter U, and described press wheel is installed in described underframe, and described front column is located at the center, front end of described underframe, and described front column and underframe form L shape structure.

Preferably, described wheel carrier also comprises adjusting lever, and described front column is provided with the first access, and described front column adjustably inserts in the seeder frame with the second adjusting hole that multiple height does not wait up and down; When described adjusting lever inserts in described the first access and the second different adjusting holes, i.e. the height of frame described in adjustable.

Preferably, described front column is prismatic structure, to insert in seeder frame regularly.

Preferably, described front column is cylindrical-shaped structure, rotatably to insert in seeder frame.

Preferably, described front column is fixed on the center, front end of described underframe.

Preferably, described front column is rotatably located at the center, front end of described underframe.

Analyze known, the relative altitude between the utility model and seeder frame is adjustable, can adjust according to actual needs whereby, increases the adaptability of the utility model and corresponding sower.

Accompanying drawing explanation

Fig. 1 is the structural representation of the multifunctional seed drill embodiment one of the utility model application;

Fig. 2 is the embodiment illustrated in fig. 1 one plan structure sketch being applied to hand tractor;

Fig. 3 is the main TV structure schematic diagram of the frame of embodiment illustrated in fig. 1;

Fig. 4 is the plan structure schematic diagram of the frame of embodiment illustrated in fig. 1;

Fig. 5, Fig. 6 are respectively main TV structure, the schematic top plan view of adjusting seat 22;

Fig. 7 is the structural representation that expansion link 23 is articulated with the hinged seat 233 of adjusting seat 22;

Fig. 8, Fig. 9 are respectively main TV structure, the plan structure schematic diagram of driving lever 63;

Figure 10, Figure 11 are respectively the interior sectional structure of bushing 67, left TV structure schematic diagram;

Figure 12, Figure 13 are respectively the sectional structure of clutch cover 65, left TV structure schematic diagram;

Figure 14, Figure 15 are respectively main TV structure, the plan structure schematic diagram of wheel carrier 8;

Figure 16 is the side structure schematic diagram of the front column 82 of wheel carrier 8;

Figure 17 is that the multifunctional seed drill embodiment two of the utility model application is applied to the plan structure sketch of four-wheel tractor;

Main TV structure, plan structure, the left TV structure schematic diagram of support member in Figure 18, Figure 19, Figure 20 difference Figure 17.

Embodiment

Below in conjunction with the drawings and specific embodiments, the utility model is described in further details.

First, it should be noted that, because the structure of each device is comparatively complicated, in order to clearly describe different parts, do not affecting under the prerequisite understanding technical scheme, some accompanying drawing has carried out omitting or simplifying to section components, to avoid in a certain accompanying drawing, one parts block structure or the mutual alignment relation of another parts, and to this, those skilled in the art are to be understood that.

As shown in Figure 1 and Figure 2, multifunctional seed drill embodiment one can with hand tractor 100 connected applications, wherein hand tractor 100 mainly illustrates and marked internal combustion engine, driving wheel 101, wheel shaft 102, the hitch frame of hand tractor 100, crosshead not shown.During practical application, multifunctional seed drill major part is positioned at below crosshead, and in order to the structure of clear display multifunctional seed drill, therefore, crosshead is also not shown.

For another example Fig. 1, shown in Fig. 2, multifunctional seed drill shown by it comprises: frame 1, suspension arrangement (its large multipart mark starts with 2), ditching device (its large multipart mark starts with 3), fertilizer apparatus (its large multipart mark starts with 4), seeding apparatus (its large multipart mark starts with 5), arrangement of clutch (its large multipart mark starts with 6), transmission device (its large multipart mark starts with 7), suppressing wheel device (its large multipart mark starts with 8), power input device (its large multipart mark starts with 9).

As shown in Figure 2, Figure 3, Figure 4, frame 1, in tower structure, for providing support for the multiple devices above it, connects each device and hand tractor 100 in other words.Preferably, overlook sight, frame 1 is that middle part is wide, the shuttle shape narrowed is shunk in rear and front end.This design has plurality of advantages, and front end is shunk can make front end and suspension arrangement integrated connection, and intensity is high, and volume is little, easily assembles; Rear end is shunk and can be combined with suppressing wheel device is directly overall, need not consider, select the factors such as the rigging position of suppressing wheel device (especially press wheel only have time) and stress balance.Middle part is wide, is beneficial to and installs fertilizer apparatus, seeding apparatus etc.

In frame 1, ditching device, fertilizer apparatus, seeding apparatus, suppressing wheel device set gradually, wherein, the front and back position relation of fertilizer apparatus and seeding apparatus is not limited to shown in accompanying drawing, therebetween can be set up in parallel, or seeding apparatus is forward, fertilizer apparatus rearward.But, in order to form good planting effect, the suppression route of the groove that ditching device is offered, seed that seeding apparatus is sown into and suppressing wheel device is on same operation straight line, and the fertilizer that fertilizer apparatus applies farmland is positioned at the side of operation straight line, directly contacts with seed to prevent fertilizer.In other words, the press wheel 81 of the plough 31 of ditching device, the seed tray 56 of seeding apparatus, suppressing wheel device is arranged along the length direction of frame 1, and on the same line, fertilization spade 45 sides at this straight line of fertilizer apparatus, Fig. 4 generally show this design feature.

As Figure 1-Figure 4, the front portion of frame 1 is located at by suspension arrangement, for connecting the hitch frame of hand tractor 100, to accept the traction of hand tractor 100.Particularly, suspension arrangement comprises Connection Block 211, joint pin 212, connecting plate 213 and preferably includes adjusting seat 22, expansion link 23.

Wherein, Connection Block 211 is connected with the hitch frame of hand tractor 100, and this is standard component, has the structure of national regulation, shape, does not repeat them here.Joint pin 212 one end is connected to the rear portion of Connection Block 211.Connecting plate 213 is connected to the other end of joint pin 212, and is adjustably connected to the front portion of frame 1 up and down.

For the ease of adjusting the height of connecting plate 213, and making suspension arrangement can the bumpy ground in flexible adaptation farmland, reducing vibration, to suspension arrangement, have also been devised adjusting seat 22, expansion link 23.The bottom of adjusting seat 22 is articulated with the front end of frame 1 by bearing pin 11, vertical setting, multiple first through hole 2220 (as shown in Figure 5, Figure 6) is provided with along vertical direction, correspondingly, connecting plate 213 is provided with the second through hole (not shown), make connecting plate 213 can be connected to the front side of adjusting seat 22 by screw bolt and nut, when needs adjustment height, connecting plate 213 is fixed on the first different through hole 2220 positions.

Further preferably, as shown in Figure 5, Figure 6, adjusting seat 22 is in channel-section steel shape, and U-shaped profile, has the wing plate 221 of web 222 and both sides.Multiple first through holes 2220 of adjusting seat 22 are located at middle pectoral plate 222 region of adjusting seat 22, and multiple first through hole 2220 is in double distribution.

In order to realize being articulated and connected between frame 1 and adjusting seat 22, the bottom of the wing plates on two sides 221 of adjusting seat 22 is equipped with third through-hole 2210, as shown in Figure 2, Figure 4 shows, the front end contraction of frame 1 narrows and is provided with the pipe box 14 of a horizontally set, after frame 1 front end and pipe box 14 embed the wing plates on two sides 221 of adjusting seat 22, pipe box 14 is corresponding with third through-hole 2210, and bearing pin 11 through third through-hole 2210 and pipe box 14, thus realizes adjusting seat 22 lower hinge in the front end of frame 1.

Adjusting seat 22 is articulated with the front end of frame 1, in order to ensure that adjusting seat 22 is in vertical state substantially, and there is damping effect, the length direction Collapsible structure of expansion link 23, also be, the length of expansion link 23 has flexible, variable, its one end is articulated with in the U-shaped hinged seat 233 on rear side of adjusting seat 22 top, as shown in Figure 7, the biside plate of hinged seat 233 has corresponding through hole 2330, after the upper end insertion hinged seat 233 of expansion link 23, by the hinge through two through hole 2330, expansion link 23 end.As Figure 1-Figure 4, the other end of expansion link 23 is articulated with in a hinged seat 234 of frame 1 front portion, and hinged seat 234 similar is in hinged seat 233, but it is fixed on the axis of frame 1 front portion.As Fig. 1, Fig. 3, front portion, the expansion link 23 of adjusting seat 22, frame 1 form a triangular structure, Stability Analysis of Structures, firmly simple.

In order to realize expansion link 23 adjustable length, expansion link can be air spring.Or as shown in the figure, expansion link 23 comprises Compress Spring 231, scalable guide post 232, the two ends of guide post 232 are articulated with the hinged seat 233 on rear side of adjusting seat 22, the hinged seat 234 in frame 1 respectively, and Compress Spring 231 is sheathed on guide post 232.Angle between adjusting seat 22 and frame 1 is due to generation vibration or when touching barrier and change, guide post 232 shrinks, and thereafter, Compress Spring 231 drives guide post 232 to restore to the original state again.This type of expansion link 23 has been mature structure, does not repeat them here.

As shown in Figure 1, ditching device is located at frame 1 lower front, and fundamental sum expansion link 23 is corresponding, and it is mainly used in offering groove in farmland, so that loosen the soil, sow.This ditching device mainly comprises plough 31, plough base 32.Preferably as Fig. 1, plough 31 is a wave disc.The anterior axis of frame 1 is fixed with a mount pad 321 (as Fig. 3), plough base 32 is with scheduling frame 1 lower front, it is also basic in inverted U-shaped structure, wave disc is between two side plates of plough base 32, on two side plates, correspondence is provided with multiple plough fixing hole (unmarked) be arranged in order up and down, the home position of plough 31 is fixed in different plough fixing holes by securing member as required, so that regulate the degree of depth of loosening the soil.

Again as shown in Figure 1, Figure 3, central rack is located at by fertilizer apparatus, for storing fertilizer and fertilizer being applied farmland.This fertilizer apparatus comprises case lid 41, fertilizer can 42, fertile amount adjuster 43, fertilising pipe 44, fertilization spade 45 and fertilization spade base 46.

Case lid 41 covers on fertilizer can 42, and fertilizer can 42 is fixed on top in the middle part of frame 1, and fertile amount adjuster 43 is positioned at below fertilizer can 42, and its required drive comes from a sprocket wheel (unmarked).Fertilising pipe 44 upper end is communicated in fertile amount adjuster 43, lower end extends on rear side of fertilization spade 45, fertilization spade base 46 is fixed in frame 1, as Fig. 3, fertilization spade base 46 is provided with multiple fertilization spade fixing hole 460 be arranged in order up and down, fertilization spade 45 upper end is fixed in different fertilization spade fixing holes 460 by securing member as required, so that the degree of depth of regulated fertilization.

Seeding apparatus is located at middle part or the rear portion of frame 1, for storing seed and seed being sown into farmland.Seeding apparatus comprises case lid 51, seed-box 52, sowing controlling organization 53, seed tray 56, seeding pipe 55 and seed tray base 54.The top at frame 1 rear portion is fixed with the support 12 for installing sowing controlling organization 53.Seed-box 52 is fixed on above support 12.Sowing controlling organization 53 is for controlling seeding quantity and seed spacing, and its upper end is communicated in seed-box 52 inside, lower end is connected with seeding pipe 55, and seeding pipe 55 extends on rear side of seed tray 56.Sowing controlling organization 53 also needs power source, and its power source comes from a gearbox 7.Seed tray base 54 is fixed on frame 1 lower rear, as Fig. 3, seed tray base 54 is provided with multiple seed tray fixing hole 540 be arranged in order up and down, and seed tray 56 upper end is fixed in different seed tray fixing holes 540 by securing member as required, so that regulate sowing depth.

Suppressing wheel device is located at the rear portion of frame 1, for suppressing farmland after planting, to prevent seed suspending.Suppressing wheel device comprises wheel carrier 8, press wheel 81, and press wheel 81 is installed in wheel carrier 8.As Figure 1-Figure 4, the rear end of frame 1 is shunk and is narrowed, and be provided with the link 80 for being connected with wheel carrier 8 at afterbody, between link 80 and wheel carrier 8, relative altitude adjustably connects.

In other words, the height of link 80 can be adjustable up and down along the short transverse of wheel carrier 8, and so design has plurality of advantages, such as, first, can adjust the height of whole sower, thus controls ditching depth, fertilization depth, sowing depth; Secondly, when link 80 is adjusted to extreme higher position, whole sower can be made to depart from ground, and press wheel 81 uses as the trailing wheel of hand tractor 100.In prior art, if hand tractor 100 only has two anterior driving wheels 101, operator under any circumstance needs walking to follow hand tractor 100, and operator's physical demands is larger.After press wheel 81 uses as hand tractor 100, operator can or stand or be sitting in frame 1, reduces the physical demands of operator.Further, stand for the ease of operator, frame 1 rear portion is also provided with two pedals 13, two pedals 13 are fixed in frame 1 by link 131, and two pedals 13 are symmetrically located at the both sides of press wheel 81, visible, press wheel 81 not only has suppression effect, and when the traveling of hand tractor 100 non-working time, press wheel 81 can also carry operator, avoids operator to follow on foot.

In order to simple and stable installation press wheel 81, as shown in Fig. 3, Fig. 4 and Figure 14-16, wheel carrier 8 comprises front column 82, underframe 84, and underframe 84 takes the shape of the letter U, and the two ends of the axle of press wheel 81 are installed in the gap 840 of underframe 84.Front column 82 is fixed on the center, front end of underframe 84, and forms L shape structure with underframe 84.Link 80 in tubular construction, is vertically arranged, and the front column 82 vertically arranged inserts in link 80.Front column 82 is provided with the first access 820, and link 80 is provided with the second adjusting hole (not shown) that multiple height does not wait, and an adjusting lever 83 inserts in the first access 820 and the second different adjusting holes, to adjust the height of frame 1.

During application, if desired adjust the height of whole sower, extract adjusting lever 83, in link 80, move up and down the position of front column 82, when moving to suitable height, then adjusting lever 83 is inserted in corresponding the first access 820, second adjusting hole.Adjusting lever 83 can for bolt or other there is the rod-like element etc. of location structure, the first access 820, second adjusting hole can be screw etc.

In other sower embodiments, in order to realize the turning of press wheel, front column can be designed to cylindric, rotatably insert in link (for cylinder-like structure); Or utilize the structural design such as bearing, ball for rotary structure the binding site of front column and underframe.

Because the parts such as sowing controlling organization of fertilizer apparatus, seeding apparatus all need power resources, in order to simplify structure, reduce costs, multifunctional seed drill shown in Fig. 1, Fig. 2 does not arrange separately motor, internal combustion engine prime movers, and its required drive is by the source such as power input device, transmission device hand tractor 100.Particularly, power input device is used for being connected with the power output part of hand tractor 100, to receive the power of hand tractor 100.Transmission device is located in frame 1, be connected with power input device, and be connected with fertilizer apparatus, seeding apparatus, for different gearratios to fertilizer apparatus, seeding apparatus transferring power (if fertilizer apparatus, seeding apparatus do not need power, then without the need to being connected with it).

Unlike the prior art, the power output part of hand tractor 100 is not common flywheel, but its wheel shaft 102.Therefore, power input device comprises: the first sprocket wheel 91, second sprocket wheel 93, be engaged in the first chain 92, first guide shaft 94 between the first sprocket wheel 91 and the second sprocket wheel 92.First sprocket wheel 91 is fixed on the wheel shaft 102 of hand tractor 100, along with wheel shaft 102 rotates.Second sprocket wheel 93 is fixed on the first guide shaft 94 coaxially, rotates to drive the first guide shaft 94 be located in frame 1.Arrange the first guide shaft 94 in order to balance, simply, the front upper portion of frame 1 is provided with sleeve 96, and sleeve 96 is horizontally disposed with, and vertical with the axis of frame 1.All be fixed with bearing block 95 at the two ends of sleeve 96, the first guide shaft 94 through bearing block 95, sleeve 96, and is rotatably fixed in bearing block 95.The design of the first guide shaft 94 by the follow-up rotary part design needing to drive at the opposite side of frame 1, can be conducive to the balance of whole system.

Hand tractor 100 is advanced, when turning, front column 82 cannot rotate, and therefore press wheel 81 is difficult to adapt to turn, in order to auxiliary hand tractor 100 is turned, the rear portion of frame 1 is also provided with handle (not shown, shaft-like, ring-type etc., is convenient to upwards mention frame 1 manually), handle is beneficial to manually mentions frame 1, when hand tractor 100 is turned, mention handle, frame 1 is raised thereupon, along the turn direction of the front-wheel 101 of hand tractor 100, moving frame 1.Corresponding, in order to reduce the labour intensity of operator, avoid operator manually to lift frame, in another embodiment, aforesaid front column is cylindric, and link is cylindrical structure, and front column inserts in link rotationally.

In order to control transmission of power, so that as required, select whether to drive fertile amount adjuster 43, sowing controlling organization 53 etc., multifunctional seed drill shown in Fig. 1 also comprises arrangement of clutch 6, arrangement of clutch 6 one end is connected to the first guide shaft 94, the connections such as the other end and transmission device (transmission device mainly comprises gearbox 7, and sowing controlling organization 53 is connected to the output shaft of gearbox 7 by sprocket wheel link chain mechanism), fertile amount adjuster 43.

Arrangement of clutch 6 is a mechanical device, and in other embodiments, arrangement of clutch also can be the combination of electronic installation, mechanical device.As shown in Fig. 1-2, Fig. 4, Fig. 8-13, arrangement of clutch comprises: operating grip 61, bracing wire 62, driving lever 63, the 5th sprocket wheel 64, clutch cover 65, spring 66, interior bushing 67.Wherein, spring 66, clutch cover 65, interior bushing 67 are located on the first guide shaft 94 from the end sleeve of the first guide shaft 94 successively.On a support plate 661 (support 661 is fixed in frame 1) is supported in the outer end of spring 66, and the end of the first guide shaft 94 is located on this support plate 66 by a bearing bracket stand.

Specifically, operating grip 61 is for manual operation, and it is arranged on the side of support 12, fore-and-aft direction, and operating grip 61 closes on pedal 13, when operator stand on pedal 13, and can rotating operation handle 61 very easily.Bracing wire 62 one end is connected to operating grip 61, and the other end is connected to one end of driving lever 63, for transmitting pulling force.The parking brake of the structure of operating grip 61, bracing wire 62 and the substantially roughly the same current bicycle of usage, vehicle using motor, does not repeat them here.In addition, arrangement of clutch can also comprise the positioner for positioning action handle, to facilitate the position of control operation handle 61.

The middle part of driving lever 63 is articulated with in frame 1, and as Figure 8-9, driving lever 63 comprises the second segment 632 of first paragraph 631 in direct rod shape, bifurcated, and driving lever 63 is overall Y-shaped.One end of first paragraph 631 is provided with through hole 6312, for being connected with bracing wire 62; The other end is provided with through hole 6311, for being hinged on the bearing (not shown) that frame 1 is extended.More preferably, as Fig. 9, second segment 632 semicircular in shape.

As shown in Fig. 4, Figure 12-13, clutch cover 65 ringwise, is sheathed on the first guide shaft 94 slidably, and is connected with key between the first guide shaft 94, and to make the first guide shaft 94 that clutch cover 65 can be driven to rotate, such as the inwall of clutch cover 65 is provided with keyway 651.Particularly, the second sprocket wheel 93 is fixed on one end of the first guide shaft 94, and clutch cover 65 key is connected to the other end of the first guide shaft 94, but clutch cover 65 axially can be free to slide along it on the first guide shaft 94.The second segment 632 of driving lever 63 bifurcated is supported on clutch cover 94, and when bracing wire 62 pulls driving lever 63 through hole 6312, the second segment 632 of driving lever 63 outwards rotates, and makes driving lever 63 drive clutch cover 65 to move on the first guide shaft 94.

As shown in Figure 4, the central area of the 5th sprocket wheel 64 is bushing 67, interior bushing 67 be set on the first guide shaft 94 rotatably in one, and as shown in figs. 10-11, interior bushing 67 of annular is provided with external screw thread 671, and the second sprocket wheel 64 is threadedly connected to external screw thread 671.Split-type design between 5th sprocket wheel 64, interior bushing 67, is convenient to manufacture and follow-up maintenance.As shown in figs. 10-11, the interior side of bushing 67 is provided with protruding 672, and clutch cover 65 is provided with groove 652 with interior bushing 67 close sides, under the supporting of spring 66, protruding 672 embed in groove 652, to make clutch cover 65 drive interior bushing 67 to rotate, and then drive the 5th sprocket wheel 64 to rotate.

As previously mentioned, spring 66 one end is supported on support plate 661, and the other end supports the side not having groove 652 on clutch cover 65, to drive clutch cover 65 and interior bushing 67 engagements.

Preferably, as Figure 10-11, the lateral surrounding of clutch cover 65 is extended with annular flange flange 653, the second segment 632 of driving lever 63 is fastened in the Outboard Sections 655 of clutch cover 65, and contact with annular flange flange 653, driving lever 63 can drive clutch cover 65 to move on the first guide shaft 94 by driving annular flange flange 653.At the opposite side of annular flange flange 653, Outboard Sections 654 external diameter of clutch cover 65 is less, is convenient to spring 66 sheathed on it, increases stability.

Sum up, spring 66 is Compress Spring, one end is supported on support plate 661, the other end is supported, be set on the Outboard Sections 654 of clutch cover 65, and force clutch cover 65 inwardly bushing 67 close, the groove 652 of clutch cover 65 is stuck in the interior projection of bushing 67 672, first guide shaft 94 rotates, clutch cover 65 just rotates, and correspondingly, interior bushing 67 rotate thereupon.The second segment 632 of driving lever 63 snaps into the Outboard Sections 655 of clutch cover 65, when pulling operating grip 61, shrink bracing wire 62, driving lever 63 rotates, and its second segment 632 deflects to the direction of support plate 661, and compressing annular flange flange 653 moves to support plate 661, projection 672, groove 652 depart from, interior bushing 67 are in free state, then without rotating, follow-up connected fertilizer adjuster 43, sowing controlling organization 53 also do not rerun.

As shown in figure 17, when the tractor of driving multifunctional seed drill is four-wheel tractor 200, this multifunctional seed drill need not the pedal, handle etc. of multifunctional seed drill shown in design drawing 1, and the operating grip of arrangement of clutch can be arranged in frame 01, also can be arranged on four-wheel tractor 200.

The trailing wheel 201 of four-wheel tractor 200 is driving wheel, hind axle 202 is driving shaft, power take-off, therefore, the power input device of the multifunctional seed drill shown in Figure 17 also comprises: the 3rd sprocket wheel 903, the 4th sprocket wheel 905, second guide shaft 904, support member 900.First sprocket wheel 901 is fixed on the hind axle 202 of four-wheel tractor 200, for obtaining power, and is passed to the 3rd sprocket wheel 903 by chain 902.3rd sprocket wheel 903 is fixed on one end of the second guide shaft 904, rotates to drive the second guide shaft 904.4th sprocket wheel 905 is fixed on the second guide shaft 904, and is engaged by chain 906 with sprocket wheel 093.Second guide shaft 904 is located on support member 900 rotationally.This support member 900 can be fixed on four-wheel tractor 200, also can be fixed in frame 01.

In fig. 17, support member 900, in tower structure, is fixed on suspension arrangement.Particularly, as Figure 18-20, support member 900 comprises: two clutch shaft bearing seats 9001, sleeve 9002, first vertical beam 9003, first crossbeam 9004, second cross beam 9005, second vertical beam 9006, the 3rd crossbeam 9007, fixed heads 9008.

Specifically, two clutch shaft bearing seats 9001 are individually fixed in the both ends of the surface of sleeve 9002, and the second guide shaft 904 penetrates rotatably two clutch shaft bearing seats 9001, sleeve the 9002, three sprocket wheel 903, the 4th sprocket wheel 904 are fixed on the two ends being positioned at the second guide shaft 904.First vertical beam 9003 is vertically arranged, and lower end is connected to the middle part upper surface of sleeve 9002.First crossbeam 9004 is horizontally disposed with, and one end is connected to the upper end of the first vertical beam 9003, and the 4th sprocket wheel 905 is positioned at below first crossbeam 9004.Second cross beam 9005 is horizontally disposed with, and one end is connected to the other end of first crossbeam 9004, and second cross beam 9005 is perpendicular to the first vertical beam 9003, first crossbeam 9004.Second vertical beam 9006 upper end is connected to the second end of second cross beam 9005, and the second vertical beam 9006 is perpendicular to first crossbeam 9004, second cross beam 9005.3rd crossbeam 9007 one end is connected to the lower end of the second vertical beam 9006, and the 3rd crossbeam 9007 is perpendicular to the second vertical beam 9006, second cross beam 9005.Fixed head 9008 is fixed on the other end of the 3rd crossbeam 9007, and is fixedly connected with the hitch frame of suspension arrangement with four-wheel tractor 200.

In sum, the utility model can adjust the rear height of sower very easily, and simple and reasonable for structure, is easy to operation.

As known by the technical knowledge, the utility model can be realized by other the embodiment not departing from its Spirit Essence or essential feature.Therefore, above-mentioned disclosed embodiment, with regard to each side, all just illustrates, is not only.Allly all to be included in the utility model within the scope of the utility model or being equal to the change in scope of the present utility model.

Claims (7)

1. for a suppressing wheel device for sower, be located at the rear portion of sower, for suppressing farmland after planting, to prevent seed suspending; It is characterized in that, comprise press wheel, wheel carrier, described press wheel is installed in described wheel carrier; Described wheel carrier is provided with guiding mechanism, so that described wheel carrier height adjustable ground connects the frame of sower.

2. the suppressing wheel device for sower according to claim 1, it is characterized in that, described wheel carrier comprises front column, underframe, described underframe takes the shape of the letter U, described press wheel is installed in described underframe, described front column is located at the center, front end of described underframe, and described front column and underframe form L shape structure.

3. the suppressing wheel device for sower according to claim 2, it is characterized in that, described wheel carrier also comprises adjusting lever, and described front column is provided with the first access, and described front column adjustably inserts in the seeder frame with the second adjusting hole that multiple height does not wait up and down; When described adjusting lever inserts in described the first access and the second different adjusting holes, i.e. the height of frame described in adjustable.

4. the suppressing wheel device for sower according to claim 3, is characterized in that, described front column is prismatic structure, to insert in seeder frame regularly.

5. the suppressing wheel device for sower according to claim 3, is characterized in that, described front column is cylindrical-shaped structure, rotatably to insert in seeder frame.

6. the suppressing wheel device for sower according to claim 2, is characterized in that, described front column is fixed on the center, front end of described underframe.

7. the suppressing wheel device for sower according to claim 2, is characterized in that, described front column is rotatably located at the center, front end of described underframe.