CN109910537A - A kind of agricultural trolley - Google Patents
A kind of agricultural trolley Download PDFInfo
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- CN109910537A CN109910537A CN201910298118.XA CN201910298118A CN109910537A CN 109910537 A CN109910537 A CN 109910537A CN 201910298118 A CN201910298118 A CN 201910298118A CN 109910537 A CN109910537 A CN 109910537A
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- wheel
- car body
- wheel carrier
- gear
- vertical
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B5/00—Accessories or details specially adapted for hand carts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2300/00—Indexing codes relating to the type of vehicle
- B60G2300/26—Carts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Handcart (AREA)
Abstract
The invention discloses a kind of agricultural trolleys, belong to agricultural mechanical field, it is characterised in that: including car body, wheel and wheel carrier；The vertical stand of the wheel carrier is located at the side of car body；Wheel carrier upper end is equipped with No.1 spring；The vertical stand medial surface is equipped with groove structure；Control block is equipped between two groups of ratchet structures；It is equipped with sink below the control block, has float in sink；Vertical stand is equipped with lateral aperture, and trunnion axis is passed through in lateral aperture, and trunnion axis middle position is equipped with the sleeve of set on the horizontal axis, and the lateral surface of tube-in-tube structure is equipped with gear；The front side of gear is equipped with the rack gear being fixed on vehicle frame；The outside of gear is equipped with the first sprocket wheel；Position on vertical stand lateral surface is equipped with vertical mandril；The lower end of vertical mandril is equipped with No. four springs, and top is equipped with the block being fixed on vehicle frame；The second sprocket wheel is fixedly connected on hind axle.Has the characteristics that smooth running overturning-preventing compared with prior art.
Description
Technical field
The present invention is a kind of application for a patent for invention " agriculture and forestry machinery transport trailer " (application number: 2017103216463)
Divisional application is related to a kind of agricultural machinery, especially a kind of agricultural trolley.
Background technique
Farmland fruit-bearing forest water conservancy equipment is in field in use, since field is all uneven path, and automobile is often
It cannot be introduced into, the more words of goods equipment of scientific research or other operation bands, manpower is unlucky too heavy, but common compact trailer
Again can because of jolt with inclination and caused by the damage of equipment even result in vehicle body and topple over.By chassis reduce it is broadening can
To keep car body balance to a certain extent, to prevent from toppling over, but lower chassis and wider vehicle body, between woodland or ridge
Into not going.
Summary of the invention
Technical assignment of the invention is to provide a kind of smooth running overturning-preventing agricultural use for the above the deficiencies in the prior art
Trolley.
The present invention the technical solution to solve the technical problem is that: a kind of agricultural trolley, including car body, wheel, wheel carrier,
Pull drawbar and supporting leg；The wheel and wheel carrier is two, is located at the forward position in car body two sides, each wheel difference
It is mounted on the lower end of a wheel carrier, the wheel shaft where wheel passes through the lower end lateral aperture of wheel carrier；It is characterized by: the car body
It is equipped with the position-limit mechanism of limitation wheel carrier movement；Wheel carrier upper end is equipped with No.1 spring, and No.1 spring upper end top is on the car body；It is described
Wheel carrier medial surface be equipped with groove structure, be located on wheel carrier medial surface on the position of groove structure front and rear sides and be respectively equipped with one
Group ratchet structure, the ratchet structure addendum flank are the inclined-plane of inside inclined downward, and dedendum flank is horizontal plane；Two groups of ratchets
Control block is equipped between structure, the control block middle position is hinged with car body, the knot being hinged on car body with control block
Structure is the extension extended on car body ontology to control block middle；Hinged place is equipped with torsional spring, by the effect of torsional spring, to control
The elastic force of block lower end in outward direction；Control block medial surface forms the inclined-plane that outer lower side is moved towards to interior top when nature；Control
Two sides extend to form the pawl to match with the ratchet structure forward and backward for clamp dog lower end, and pawl is located at ratchet structure
In tooth socket；Control block upper end is the thimble structure protruded outward；It is equipped with sink below the control block, fills water in sink
Or other liquid mediums, it is connected between each sink by water pipe on car body, has float in sink, float upper end is from sink
Opening is stretched out；Vertical plate is equipped in the wheel carrier groove, the vertical plate lower end is hinged with wheel carrier；Wheel is provided with level
Hole, lateral aperture is interior to pass through trunnion axis, and the inner end of trunnion axis is withstood on the lateral surface of vertical plate, and trunnion axis middle position, which is equipped with, to be covered
Sleeve on trunnion axis, the lateral surface of tube-in-tube structure are equipped with gear, are clearance fit between sleeve and trunnion axis, and sleeve can be with
Free movement on the horizontal axis, gear can be rotated freely around sleeve；The front side of gear is equipped with fixed rack gear on the car body, should
Rack and pinion is meshed；The outside of gear be equipped with the first sprocket wheel, the first sprocket wheel by bearing holder (housing, cover) on the horizontal axis, bearing it is interior
Circle and outer ring are interference fitted with trunnion axis and the first sprocket wheel respectively；No. two springs, No. two spring pockets are equipped between bearing and sleeve
On the horizontal axis；It is respectively equipped with the tooth that can be mutually fitted on the lateral surface of gear and on the medial surface of the first sprocket wheel, forms one
To jaw clutch；The periphery of gear and the first sprocket wheel is equipped with U-shaped frame, and the both ends of U-shaped frame are fixedly connected with wheel carrier, U-shaped frame
Medial surface is equipped with horizontal blind hole, and the bottom end of horizontal blind hole is equipped with No. three springs, and the outer end of the trunnion axis is located in blind hole,
And it withstands on No. three springs；Position on wheel carrier lateral surface is equipped with vertical mandril, and vertical mandril is equipped with vertical bar shaped
Hole, the trunnion axis out of strip-shaped hole across vertical mandril positioned at wheel carrier and sleeve, vertical mandril is along inward-outward direction
With a thickness of up-small and down-big；The lower end of vertical mandril is equipped with No. four springs；The second sprocket wheel, the second chain are fixedly connected on the wheel shaft
Wheel is connected with the first sprocket wheel by chain；It is described pull drawbar and supporting leg it is each there are two, be located at the rear end of car body
Two sides；Two pull between drawbar and to be respectively mutually fixedly connected by a cross bar between two supporting legs；It is described pull drawbar before
End is hinged with car body, and the position pulled above drawbar is located on car body has position limiting structure, which can limit hand
Drawbar is drawn to be merely able to lift to horizontality；Among the supporting leg or position of upper middle and car body are hinged, supporting leg it is upper
End, which is withstood on, to be pulled on drawbar；It pulls the position being located on front side of supporting leg upper end on drawbar and is equipped with raised structures, pass through raised structures energy
Enough block supporting leg upper end；By No. five spring connections between the position of the car body of supporting leg upper end and its front lower place, described is pulled
Pass through No. six spring connections between drawbar and the position of car body below.
Compared with prior art, the present invention have smooth running overturning-preventing the utility model has the advantages that
Detailed description of the invention
Fig. 1 is the side structure schematic view of embodiment 1,3.
Fig. 2 is wheel accessory structure schematic side view in embodiment 1.
Fig. 3 be in embodiment 1 Figure 1A-A to cross-sectional view.
Fig. 4 is the structural schematic diagram of vertical stand and control block in embodiment 1.
Fig. 5 is the structural schematic diagram of vertical mandril in embodiment 1.
Fig. 6 is the side structure schematic view of embodiment 2,4.
Fig. 7 be in embodiment 3 Figure 1A-A to cross-sectional view.
Specific embodiment
Invention is further illustrated with specific embodiment with reference to the accompanying drawings of the specification.For convenient for narration, hereinafter
"inner", "outside" refer to that intermediate direction and the lateral direction of whole equipment, the "front", "rear" in embodiment 1 and embodiment 3 refer to
The direction of advance and direction of retreat of whole equipment.
In embodiment 1, as shown in Figs. 1-5, invention includes car body 1, wheel 13 and wheel carrier 10.Have in front of the car body 1
Hook is cared for, for connecting with power device, the power device can be the narrow space motor vehicle of two-wheel motorcycle etc, but not
It is only limitted to this.
The wheel 13 and wheel carrier 10 is four, and each wheel 13 is separately mounted to the lower end of a wheel carrier 10, wheel
Wheel shaft 19 where 13 passes through the lower end lateral aperture of wheel carrier 10, is formed and is rotatablely connected with wheel carrier 10.The wheel carrier 10 is located at vehicle
The side of body 1, two sides symmetry arrangement, car body 1 are equipped with the position-limit mechanism that limitation wheel carrier 10 moves, are limited by the position-limit mechanism
Wheel carrier 10 can only move along the vertical direction.The position-limit mechanism can be the structure for being enclosed in 10 surrounding of wheel carrier, to prevent wheel carrier
10 move and rotate to level side；The mechanism is also possible to guide rail along the vertical direction, is merely able to limiting wheel carrier 10 along vertical
Direction movement；The position-limit mechanism be also possible in the prior art other can be realized the structure of the function.
10 upper end of wheel carrier is equipped with No.1 spring 2, and 2 upper end of No.1 spring is withstood on car body 1, passes through two on two groups of wheel carriers 10
A No.1 spring 2 holds up car body 1.
10 medial surface of wheel carrier is equipped with groove structure 29, and 29 front and back two of groove structure is located on 10 medial surface of wheel carrier
One group of ratchet structure 30 is respectively equipped on the position of side, which is the inclined-plane of inside inclined downward, lower tooth
Face is horizontal plane, so that the ratchet 30 enables wheel carrier 10 freely to move downward and cannot move upwards when cooperating with pawl 32.
Control block 15 is equipped between two groups of ratchet structures 30,15 middle position of control block is hinged with car body 1, car body
The structure being hinged on 1 with control block 15 is (not show in figure on 1 ontology of car body to the extension that 15 middle of control block extends
Out).Hinged place is equipped with torsional spring (not shown) and gives the elastic force of 15 lower end of control block in outward direction by the effect of torsional spring.
15 medial surface of control block forms the inclined-plane that outer lower side is moved towards to interior top when nature.15 lower end of control block forward and backward two
Side extends to form the pawl 32 to match with the ratchet structure 30, and pawl 32 is located in the tooth socket of ratchet structure 30.Control
15 upper end of block is the thimble structure 31 protruded outward.
It is equipped with sink 17 below the control block 15, fills water or other liquid mediums in sink 17, it is each on car body 1
It is connected between sink 17 by water pipe, there is float 18 in sink 17,18 upper end of float is stretched out from 17 upper opening of sink, and trailer is flat
18 upper end of float is located at the lower section of 15 medial surface of control block when weighing apparatus state, when trailer skew, the water in the sink 17 of downside
Face rises, and float 18 rises with it, and 18 upper end of float can be withstood on 15 medial surface of control block, and control block 15 is pushed to rotate one
Determine angle.
It is equipped with vertical plate 14 in 10 groove 29 of wheel carrier, 14 lower end of vertical plate is hinged with wheel carrier 10.Wheel
Frame 10 is equipped with lateral aperture, passes through trunnion axis 27 in lateral aperture, and the inner end of trunnion axis 27 is withstood on the lateral surface of vertical plate 14, horizontal
27 middle position of axis, which is equipped with, covers the sleeve 22 on trunnion axis 27, and the lateral surface of 22 structure of sleeve is equipped with gear 21, sleeve 22
Between trunnion axis 27 be clearance fit, sleeve 22 can the free movement on trunnion axis 27, gear 21 can around sleeve 22 from
By rotating.The front side of gear 21 is equipped with the rack gear 3 being fixed on car body 1, which is meshed with gear 21.Outside gear 21
Side be equipped with the first sprocket wheel 4, the first sprocket wheel 4 by 25 sets of bearing on trunnion axis 27, the inner ring and outer ring of bearing 25 respectively with water
Flat axis 27 and the first sprocket wheel 4 interference fit, allow it to be fixedly connected.No. two springs are equipped between bearing 25 and sleeve 22
24, No. two 24 sets of spring on trunnion axis 27.Being respectively equipped on the lateral surface of gear 21 and on the medial surface of the first sprocket wheel 4 can
Mutually chimeric tooth 23 forms a pair of of jaw clutch.The periphery of gear 21 and the first sprocket wheel 4 is equipped with U-shaped frame 5, U-shaped frame 5
Both ends are fixedly connected with wheel carrier 10, and the medial surface of U-shaped frame 5 is equipped with horizontal blind hole, and the bottom end of horizontal blind hole is equipped with No. three springs
26, the outer end of the trunnion axis 27 is located in blind hole, and withstands on No. three springs 26.Position on 10 lateral surface of wheel carrier
Equipped with vertical mandril 6, vertical mandril 6 is equipped with vertical strip-shaped hole 28, and the trunnion axis 27 passes through perpendicular out of strip-shaped hole 28
Straight mandril 6 positioned at wheel carrier 10 and sleeve 22 between, vertical mandril 6 along inward-outward direction with a thickness of up-small and down-big, therefore when vertically
When mandril 6 rises, sleeve 22 can be ejected in outward direction, vertical mandril 6 is lower to fall behind, under the action of No. two spring 24,
It can push sleeve 22 to inward side to movement.The lower end of vertical mandril 6 is equipped with No. four springs 7.
The second sprocket wheel 11 is fixedly connected on the wheel shaft 19, the second sprocket wheel 11 is connected with the first sprocket wheel 4 by chain 12
It connects.
When trailer on level road when driving, wheel carrier is located at higher position on car body 1, and trunnion axis 27 is located at vertical top
The top position of 6 strip-shaped hole 28 of bar passes through the effect of No. two springs 24, first sprocket wheel 4 and 21 phase of gear as shown in Figure 3
Separation.32 structure of pawl that the lower end extension of control block 15 is formed is located on ratchet 30, and ratchet 30 is blocked, and wheel carrier is in solid
Fixed position.When trailer drives on inclined road surface, the high side in trailer side is low, and the water surface of trailer downside sink 17 is opposite
Rise, is jacked up float 18 by buoyancy, float 18 withstands control block 15, and 15 upper end of control block laterally rotates, control block 15
Lower end turns to the inside, and 15 upper end of control block is ejected trunnion axis 27 by vertical plate 14 outward, and the first sprocket wheel 4 is with trunnion axis
27 move outward, so that the first sprocket wheel 4 is prevented to be meshed with gear 21,32 knot of pawl that 15 lower end extension of control block is formed
Structure is detached from from ratchet 30, is popped up wheel carrier downwards by the effect of No.1 spring 2, so that the side body 1 be held up, makes vehicle
Body 1 tends to horizontality, can prevent trailer run-off the straight.After trailer is travelled to level road, underwater in sink 17
Drop, float 18 decline, and control block 15 resets, and wheel carrier 10 is also located at lower position at this time, by the effect of No. four springs 7, begin
On the car body, the sleeve 22 withstands on vertical mandril 6 on the lower on thicker position at this time on vertical 6 upper end of mandril top at last, erects
Sleeve 22 is ejected a distance by straight mandril 6 outward, since the upper end of control block 15 at this time is no longer withstood on vertical plate 14, because
Trunnion axis 27 and the first sprocket wheel 4 are pushed a distance simultaneously by the effect of No. three springs 26 by this inwardly, thus the first chain
Wheel 4 can be meshed with gear 21, and since trailer is being advanced forward at this time, wheel 13 is being rotated, and wheel shaft 19 passes through second
Sprocket wheel 11 and chain 12 drive the rotation of the first sprocket wheel 4, and the first sprocket wheel 4 is rotated with moving gear 21, due to gear 21 and the tooth
Item 3 is meshed, therefore moves upwards along rack gear 3, while driving wheel carrier to move up by trunnion axis 27, after wheel carrier resets,
Trailer restores horizontal completely, and wheel carrier car body 1 described during rising pushes down on vertical mandril, and vertical mandril 6 is downwards
The position thickness that sleeve 22 is contacted with vertical mandril 6 during movement is gradually reduced, and will be covered by the effect of No. two springs 24
Cylinder 22 and gear 21 push inwardly, and trunnion axis 27 cannot continue inwardly due to being controlled the blocking of block 15 and vertical plate 14
Side is mobile, so that sprocket wheel is separated with 21 phase of gear, gear 21 and wheel carrier stop motion.
Trailer in the present invention can automatically adjust the balance of vehicle body when running on inclined road surface, prevent trailer from inclining
?.
As shown in Figure 1, embodiment 1 is suitable for shifting between the agricultural of large numbers of items, 1 fore-and-aft clearance of car body is long, needs 4 vehicles
Wheel 13 advances, and 4 wheels 13 are respectively provided with the ability of automatic adjustment balance.
As shown in fig. 6, embodiment 2 is used for single hand traction, mobility strong.Traditional trolley wheel is in preceding, handlebar
Rear, the front is high and the back is low for car body when being put on the ground, and it is low early and high after to lift handlebar aftercarriage, placed on car body the cylindrical objects such as gunnysack or
When object in irregular shape or the excessively high article of placement, the article on car body is easy to roll or topple over forward or backward, for double
For wheel push-and-pull vehicle, when road surface or so is uneven, the article on car body is easy to roll or topple over to the left or to the right, serious shadow
Its cargo capacity is rung.
Manual trailer in the present embodiment and embodiment 4 can be pushed away and can be drawn, for convenient for narration, in the present embodiment and embodiment
The direction at 13 place of wheel is set in 4 before, after the direction where pulling drawbar 51 is.
On the basis of the technical solution of embodiment 1, the wheel 13 and wheel carrier 10 are two, are located at 1 liang of car body
The forward position in side further includes pulling drawbar 51 and supporting leg 53, it is described pull drawbar 51 and supporting leg 53 it is each there are two, position respectively
In the two sides of the rear end of car body 1.Two pull between drawbar 51 and respectively to connect by the way that a cross bar is mutually fixed between two supporting legs 53
It connects, to make two to pull drawbar 51 and two supporting legs 53 are able to move synchronously.Described pulls 51 front end of drawbar and vehicle
Body 1 is hinged, and the position for pulling 51 top of drawbar is located on car body 1 has position limiting structure, which can limit and pull
Drawbar 51 is merely able to lift to horizontality.Among the supporting leg 53 or position of upper middle and car body 1 are hinged, supporting leg 53
Upper end withstand on and pull on drawbar 51, position-limiting action is played to drawbar 51 is pulled in 53 upper end of supporting leg, can limit and pull drawbar 51
The angle being rotated down.It pulls the position being located on front side of 53 upper end of supporting leg on drawbar 51 and is equipped with raised structures 50, pass through protrusion knot
Structure 50 can block 53 upper end of supporting leg, be rotated forward with limiting 53 upper end of supporting leg.The car body 1 of 53 upper end of supporting leg and its front lower place
It is connected between position by No. five springs 54, described pulls between drawbar 51 and the position of car body 1 below by No. six
Spring 52 connects.
Effect by pulling drawbar 51 realizes artificial pulling or pushes car body 1, pulls drawbar in use, lifting first
51, it pulls after drawbar 51 lifts, 53 upper end of supporting leg will be propped up departing from the limitation of raised structures 50 by the effect of No. five springs 54
Leg 53 is pulled to horizontality, so that supporting leg 53 be packed up, in order to push and pull to trailer, and may remain in and pushed and pulled
Car body 1 is horizontal always in journey.Traveling is put down to supporting leg 53 is put down by way of foot-operated when the parking of destination and pulls drawbar 51
The position of supporting leg 53 is locked by raised structures 50 afterwards.
Other structures of manual trailer are same as Example 1.
Remain horizontal when manual trailer in through this embodiment can make to advance and when parking before and after vehicle body, equally
On the rugged road surface in left and right when driving, the left and right sides is also able to maintain level, so as to improve article on car body 1
Stability.
In embodiment 3, as shown in Fig. 1,7, the present embodiment include fuselage 1, wheel 13, wheel carrier 10, sink 17, float 18,
Vertical axes 20 and bevel gear.Hook is cared in front of the car body 1, for connecting with power device, the power device can
Think the narrow space motor vehicle of two-wheel motorcycle etc, but is not limited only to this.
The wheel 13 and wheel carrier 10 is four, and the wheel shaft 19 where each wheel 13 is respectively mounted on a wheel carrier 10
Lower end is to be rotatably connected between wheel shaft 19 and wheel carrier 10.Wheel carrier 10 is vertically-mounted on the fuselage 1, and fuselage 1 is equipped with limitation wheel
The position-limit mechanism that frame 10 moves, limiting wheel carrier 10 by the position-limit mechanism can only move along the vertical direction.The position-limit mechanism can
To be the structure for being enclosed in 10 surrounding of wheel carrier, to prevent 10 level side of wheel carrier from moving and rotation；The position-limit mechanism is also possible to edge
The guide rail of vertical direction, with limit wheel carrier 10 be merely able to it is vertically moving；The position-limit mechanism is also possible in the prior art
Other can be realized the structure of the function.
The inside of each wheel carrier 10 is respectively provided with a vertical axes 20, and wheel carrier 10 is equipped with the fixed block connecting with vertical axes 20
8, the fixed block 8 is fixedly connected with wheel carrier 10, and fixed block 8 is equipped with vertical holes, and it is vertical that the vertical axes 20 pass through this
Hole, the position that 8 both ends of fixed block are located in vertical axes 20 is respectively equipped with flange, so that fixed block 8 to be located to the position of vertical axes 20
It sets and fixes.
The upper end of vertical axes 20 is equipped with screw thread 9, which forms screw structure, the position of 20 upper end of vertical axes is located on fuselage 1
The threaded hole 37 to match with 20 upper end of vertical axes is installed, 20 upper end of vertical axes is located in the threaded hole 37.When vertical axes 20
When rotation, vertical axes 20 can be made to move up and down by the effect of screw thread 9.
The position for being located at 8 lower section of fixed block in the vertical axes 20 is equipped with gear cylinder 34, and the centre of gear cylinder 34 is equipped with
Vertical holes is equipped with positioned at the position of gear cylinder 34 in vertical axes 20 and erects by 34 sets of the vertical holes gear cylinder in vertical axes 20
Vertical bar 16, the inner wall of 34 vertical holes of gear cylinder are equipped with the vertical slots being adapted with the vertical item 16, pass through vertical item 16
Effect with vertical slots can make between gear cylinder 34 and vertical axes 20 can relative motion free along the vertical direction, and cannot phase
To rotation.
The gear cylinder 34 is equipped with upper and lower two vertical bevel gears 35, described two vertical 35 specification phases of bevel gear
Together, the axle center of two vertical bevel gears 35 and the axle center of vertical axes 20 coincide, in upper cone tooth in two vertical bevel gears 35
Take turns 35 flank of tooth downward, the bevel gear teeth under is face-up.19 inner end of wheel shaft is equipped with horizontal bevel gear 33, the level
The axle center of bevel gear 33 and the axle center of wheel shaft 19 coincide, and horizontal bevel gear 33 is located among two vertical bevel gears 35, and
It can be meshed with a vertical bevel gear 35.
The gear cylinder 34 is equipped with cylinder 36, and described 36 sets of cylinder in 34 a certain sections of gear cylinder of outside, gear
The position for being located at 36 both ends of cylinder on cylinder 34 is respectively provided with flange, by flange limit cylinder 36 be merely able to rotation cannot be relative to
Gear cylinder 34 moves up and down.The interior direction of each vertical axes 20 is respectively provided with a sink 17, and sink 17 is fixed on the fuselage 1,
Float 18 is equipped in sink 17,18 upper end of float is stretched out out of sink 17, water or other liquid are filled in sink 17, pass through water
Buoyancy floats float 18, is interconnected respectively by water pipe between each sink 17.
Rack group is equipped between the sink 17 and vertical axes 20, the rack group includes vertical rack
41 and two gears, it is equipped with sliding rail, the sliding groove structure 40 being mutually matched between fuselage 1 and rack 41, passes through sliding rail sliding slot knot
40 limiting gear bar 41 of structure is merely able to vertically moving.No.1 gear 43 and No. two are respectively equipped on the rack 41
It is fixed with No.1 rack gear 39 and No. two rack gears 46 respectively on gear 44, the fixed block 8 and cylinder 36, wherein No.1 rack gear
The sliding rail and sliding slot 38 being mutually matched are equipped between 39 and No. two rack gears 46 makes No. two by the effect of this group of sliding rail sliding slot 38
Rack gear 46 and cylinder 36 can will not rotate, and be merely able to do vertical motion.No. three are respectively equipped on fuselage 1 and float 18
Rack gear 42 and No. four rack gears 45, wherein No.1 rack gear 39 and No. two rack gears 46 are located at the outside of rack 41, No. three 42 Hes of rack gear
No. four rack gears 45 are located at the inside of rack 41, and No.1 rack gear 39 and No. three rack gears 42 are nibbled with 43 phase of No.1 gear respectively
It closes, No. two rack gears 46 and No. four rack gears 45 are meshed with No. two gears 44 respectively.
Make the spacing between fixed block 8 and cylinder 36 always can be with the position of float 18 by the effect of rack group
Change and changes.By the effect of 39, No. three rack gears 42 and No.1 gear 43 of No.1 rack gear, make rack group with the shifting of wheel carrier 10
It moves and moves, and the movement speed of rack group and distance are the half of wheel carrier 10 movement speed and distance, when float 18
When setting motionless, cylinder 36 will not change relative to the position of wheel carrier 10, regardless of whether the position of wheel carrier 10 moves；When floating
Gear cylinder 34 is driven to move up and down in opposite direction relative to vertical axes 20 when the position of son 18 changes, and entire
The interference not moved up and down in the process by vertical axes 20.When gear cylinder 34 moves upwards, horizontal bevel gear 33 is perpendicular with lower section
Straight bevel gear 35 is meshed；When gear cylinder 34 moves downward, horizontal bevel gear 33 is meshed with the vertical bevel gear 35 of top；When
When gear cylinder 34 is centrally located, horizontal bevel gear 33 is not engaged with any vertical bevel gear 35.
The position for being located at 34 lower section of gear cylinder in vertical axes 20 is equipped with flange 49, is equipped between the flange 49 and gear cylinder 34
No. seven springs 47, No. seven 47 sets of spring in vertical axes 20.Gear cylinder 34 is jacked up by the effect of No. seven springs 47, is balanced out
The weight of gear cylinder 34 enables float 18 to be easier that gear cylinder 34 is driven to move up and down.
Position on fuselage 1 positioned at 20 lower end of vertical axes is equipped with vertical holes 48, and 20 lower end of vertical axes is perpendicular positioned at this
In straight hole 48.
When trailer is walked on inclined-plane, the water in the sink 17 above slope on an extreme direction is flowed to by water pipe
In the upward sink 17 of lower side, water level rises in the upward sink 17 of lower side, jacks up float 18 upwards by buoyancy, floats
Son 18 drives gear cylinder 34 to move down relative to vertical axes 20 by connection rod set, the perpendicular straight-conical teeth of horizontal bevel gear 33 and top
35 engagement of wheel, wheel 13 drive horizontal bevel gear 33 to rotate by wheel shaft 19, the vertical bevel gear of horizontal bevel gear 33 and top
35 driving vertical axes 20 rotate in the forward direction, and drive vertical axes 20 to move downward by 20 upper end of vertical axes and the effect of threaded hole 37,
Vertical axes 20 drive wheel carrier 10 to move downward by fixed block 8, to push wheel 13 to move downward, thus by the side fuselage 1
It is lifted up；Water level decreasing in the sink 17 on the slope in side direction, float 18 decline therewith simultaneously, by connection rod set,
Driving gear is moved upwards relative to vertical bevel gear 35, and horizontal bevel gear 33 is engaged with the vertical bevel gear 35 of lower section, horizontal
Bevel gear 33 and the vertical bevel gear 35 of lower section drive vertical axes 20 to reversely rotate, and vertical axes 20 move upwards, and vertical axes 20 are logical
Crossing wheel carrier 10 pushes wheel 13 to move upwards, so that the side fuselage 1 accordingly declines, so that inclined fuselage 1 be made to restore balance, keeps away
The danger that trailer is toppled over is exempted from.
In embodiment 4, as shown in fig. 6, on the basis of the technical solution of embodiment 3, the wheel 13 and wheel carrier 10 are
Two, it is located at the forward position in 1 two sides of car body, further includes pulling drawbar 51 and supporting leg 53, described pulls 51 He of drawbar
There are two supporting leg 53 is each, it is located at the two sides of the rear end of car body 1.Two pull between drawbar 51 it is each between two supporting legs 53
It is mutually fixedly connected by a cross bar, to make two to pull drawbar 51 and two supporting legs 53 are able to move synchronously.It is described
51 front end of drawbar that pulls be hinged with car body 1, the position for pulling the top of drawbar 51 is located on car body 1 has position limiting structure, should
Position limiting structure, which can limit, to be pulled drawbar 51 and is merely able to lift to horizontality.Among the supporting leg 53 or position of upper middle
It sets with car body 1 hingedly, the upper end of supporting leg 53, which is withstood on, to be pulled on drawbar 51, and limit work is played to drawbar 51 is pulled in 53 upper end of supporting leg
With can limit and pull the angle that drawbar 51 is rotated down.The position being located on drawbar 51 on front side of 53 upper end of supporting leg is pulled to be equipped with
Raised structures 50 can block 53 upper end of supporting leg by raised structures 50, be rotated forward with limiting 53 upper end of supporting leg.On supporting leg 53
It is connected between the position of the car body 1 at end and its front lower place by No. five springs 54, described pulls drawbar 51 and vehicle below
It is connected between the position of body 1 by No. six springs 52.
Effect by pulling drawbar 51 realizes artificial pulling or pushes car body 1, pulls drawbar in use, lifting first
51, it pulls after drawbar 51 lifts, 53 upper end of supporting leg will be propped up departing from the limitation of raised structures 50 by the effect of No. five springs 54
Leg 53 is pulled to horizontality, so that supporting leg 53 be packed up, in order to push and pull to trailer, and may remain in and pushed and pulled
Car body 1 is horizontal always in journey.Traveling is put down to supporting leg 53 is put down by way of foot-operated when the parking of destination and pulls drawbar 51
The position of supporting leg 53 is locked by raised structures 50 afterwards.
Other structures of manual trailer are same as Example 3.
Remain horizontal when manual trailer in through this embodiment can make to advance and when parking before and after vehicle body, equally
On the rugged road surface in left and right when driving, the left and right sides is also able to maintain level, so as to improve article on car body 1
Stability.
It should be noted that specific embodiment of the invention is to the present invention have been described in detail, for ability
For the technical staff in domain, its various of progress is obviously changed without departing from the spirit and scope of the present invention
Become all within protection scope of the present invention.
Claims (1)
1. a kind of agricultural trolley, including car body, wheel, wheel carrier, pull drawbar and supporting leg；The wheel and wheel carrier is two
It is a, it is located at the forward position in car body two sides, each wheel is separately mounted to the lower end of a wheel carrier, the wheel shaft where wheel
Across the lower end lateral aperture of wheel carrier；It is characterized by: the car body is equipped with the position-limit mechanism of limitation wheel carrier movement；On wheel carrier
End is equipped with No.1 spring, and No.1 spring upper end top is on the car body；The wheel carrier medial surface is equipped with groove structure, wheel carrier inside
It is respectively equipped with one group of ratchet structure on the position of groove structure front and rear sides on face, under which is inside
The inclined inclined-plane in side, dedendum flank is horizontal plane；Control block is equipped between two groups of ratchet structures, among the control block
Position is hinged with car body, and the structure being hinged on car body with control block is to prolong on car body ontology to what control block middle extended
Extending portion；Hinged place is equipped with torsional spring and gives the elastic force of control block lower end in outward direction by the effect of torsional spring；Nature time control
Clamp dog medial surface forms the inclined-plane that outer lower side is moved towards to interior top；Control block lower end forward and backward two sides extend to form with it is described
The pawl that matches of ratchet structure, pawl is located in the tooth socket of ratchet structure；Control block upper end is the thimble protruded outward
Structure；It is equipped with sink below the control block, fills water or other liquid mediums in sink, leads between each sink on car body
It crosses water pipe to be connected, there is float in sink, float upper end is stretched out from sink upper opening；It is vertical to be equipped in the wheel carrier groove
Plate, the vertical plate lower end are hinged with wheel carrier；Wheel is provided with lateral aperture, passes through trunnion axis in lateral aperture, trunnion axis it is interior
End is withstood on the lateral surface of vertical plate, and trunnion axis middle position is equipped with the sleeve of set on the horizontal axis, the lateral surface of tube-in-tube structure
Be equipped with gear, between sleeve and trunnion axis be clearance fit, sleeve can free movement on the horizontal axis, gear can around set
Cylinder rotates freely；The front side of gear is equipped with fixed rack gear on the car body, which is meshed；The outside of gear is equipped with
First sprocket wheel, the first sprocket wheel by bearing holder (housing, cover) on the horizontal axis, the inner ring and outer ring of bearing respectively with trunnion axis and the first sprocket wheel
Interference fit；No. two springs are equipped between bearing and sleeve, No. two spring pockets are on the horizontal axis；On the lateral surface of gear and first
It is respectively equipped with the tooth that can be mutually fitted on the medial surface of sprocket wheel, forms a pair of of jaw clutch；The week of gear and the first sprocket wheel
Side is equipped with U-shaped frame, and the both ends of U-shaped frame are fixedly connected with wheel carrier, and the medial surface of U-shaped frame is equipped with horizontal blind hole, horizontal blind hole
Bottom end is equipped with No. three springs, and the outer end of the trunnion axis is located in blind hole, and withstands on No. three springs；Close to wheel carrier lateral surface
On position be equipped with vertical mandril, vertical mandril is equipped with vertical strip-shaped hole, and the trunnion axis passes through perpendicular out of strip-shaped hole
Straight mandril is between wheel carrier and sleeve, and vertical mandril is along inward-outward direction with a thickness of up-small and down-big；The lower end of vertical mandril is set
There are No. four springs；The second sprocket wheel is fixedly connected on the wheel shaft, the second sprocket wheel is connected with the first sprocket wheel by chain；It is described
Pull drawbar and supporting leg it is each there are two, be located at the two sides of the rear end of car body；Two pull between drawbar and two supporting legs
Between be respectively mutually fixedly connected by a cross bar；The drawbar front end that pulls is hinged with car body, is located to pull on car body and drag
Position above bar has a position limiting structure, which, which can limit, pulls drawbar and be merely able to lift to horizontality；It is described
Supporting leg among or upper middle position and car body it is hinged, the upper end of supporting leg, which is withstood on, to be pulled on drawbar；It pulls and is located on drawbar
Position on front side of supporting leg upper end is equipped with raised structures, can block supporting leg upper end by raised structures；Supporting leg upper end is front lower with it
By No. five spring connections between the position of the car body of side, described pulling passes through between drawbar and the position of car body below
No. six spring connections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910298118.XA CN109910537A (en) | 2017-05-09 | 2017-05-09 | A kind of agricultural trolley |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910298118.XA CN109910537A (en) | 2017-05-09 | 2017-05-09 | A kind of agricultural trolley |
| CN201710321646.3A CN107128146B (en) | 2017-05-09 | 2017-05-09 | Trailer is used in a kind of transport of agriculture and forestry machinery |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710321646.3A Division CN107128146B (en) | 2017-05-09 | 2017-05-09 | Trailer is used in a kind of transport of agriculture and forestry machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109910537A true CN109910537A (en) | 2019-06-21 |
Family
ID=59732822
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710321646.3A Active CN107128146B (en) | 2017-05-09 | 2017-05-09 | Trailer is used in a kind of transport of agriculture and forestry machinery |
| CN201910298118.XA Withdrawn CN109910537A (en) | 2017-05-09 | 2017-05-09 | A kind of agricultural trolley |
| CN201910306313.2A Withdrawn CN109969274A (en) | 2017-05-09 | 2017-05-09 | A kind of trailer of Anti-inclining |
| CN201910302704.7A Active CN110104046B (en) | 2017-05-09 | 2017-05-09 | Anti-tilting trolley |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710321646.3A Active CN107128146B (en) | 2017-05-09 | 2017-05-09 | Trailer is used in a kind of transport of agriculture and forestry machinery |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910306313.2A Withdrawn CN109969274A (en) | 2017-05-09 | 2017-05-09 | A kind of trailer of Anti-inclining |
| CN201910302704.7A Active CN110104046B (en) | 2017-05-09 | 2017-05-09 | Anti-tilting trolley |
Country Status (1)
| Country | Link |
|---|---|
| CN (4) | CN107128146B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111231909A (en) * | 2020-03-22 | 2020-06-05 | 滁州职业技术学院 | Rollover prevention device for heavy truck |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5817241A (en) * | 1981-07-20 | 1983-02-01 | Kayaba Ind Co Ltd | Initial set load adjusting device for hanging spring in hydraulic buffer |
| FR2762802A1 (en) * | 1997-04-30 | 1998-11-06 | Leon Kagan | Suspension spring, with damping, for rolling loads, used for wheelbarrows or trailers |
| CN2461823Y (en) * | 2000-03-27 | 2001-11-28 | 王生明 | Handcart mud pump |
| SE525703C2 (en) * | 2003-08-18 | 2005-04-05 | Nature Nigh Sweden Ab | Wheel module used in construction of different kinds of vehicles e.g. wagon, has sockets, included in carrier and in which connecting pieces are individually attached, that are arranged at an angle relative to each other |
| KR20160145871A (en) * | 2015-06-10 | 2016-12-21 | 대원강업주식회사 | Possible adjustment of the spring load axis rotated through active seat suspension system board |
| CN107088120B (en) * | 2017-05-09 | 2018-08-24 | 日照市中医医院 | A kind of hemiplegia self-balancing wheelchair |
| CN109172172B (en) * | 2017-05-09 | 2020-07-10 | 日照轻创知识产权服务中心 | Anti-tilting wheelchair |
| CN106955119B (en) * | 2017-05-09 | 2023-06-09 | 唐山职业技术学院 | Mobile X-ray machine |
-
2017
- 2017-05-09 CN CN201710321646.3A patent/CN107128146B/en active Active
- 2017-05-09 CN CN201910298118.XA patent/CN109910537A/en not_active Withdrawn
- 2017-05-09 CN CN201910306313.2A patent/CN109969274A/en not_active Withdrawn
- 2017-05-09 CN CN201910302704.7A patent/CN110104046B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109969274A (en) | 2019-07-05 |
| CN110104046A (en) | 2019-08-09 |
| CN107128146B (en) | 2019-04-02 |
| CN107128146A (en) | 2017-09-05 |
| CN110104046B (en) | 2020-04-24 |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190621 |
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| WW01 | Invention patent application withdrawn after publication |