CN2242814Y - Small farm hydraulic self-loading-unloading trailer - Google Patents
Small farm hydraulic self-loading-unloading trailer Download PDFInfo
- Publication number
- CN2242814Y CN2242814Y CN 95246698 CN95246698U CN2242814Y CN 2242814 Y CN2242814 Y CN 2242814Y CN 95246698 CN95246698 CN 95246698 CN 95246698 U CN95246698 U CN 95246698U CN 2242814 Y CN2242814 Y CN 2242814Y
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- hydraulic pressure
- hydraulic
- self
- trailer
- oil
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- Expired - Fee Related
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Abstract
The utility model discloses an agricultural farm hydraulic self-loading-unloading trailer, which uses an agricultural trailer as basis and is characterized in that a hydraulic self loading mechanism is added on the front end of the trailer. A vertical column which is fixed with the traction tube of the trailer and the lower bottom frame of the trailer is arranged in the hydraulic self loading mechanism. A hydraulic lifting component is arranged on the upper part of the vertical column. A hydraulic grab component is arranged on the rotating arm of the hydraulic lifting component. The hydraulic lifting component and the hydraulic grab are connected with a hydraulic control component. The utility model has the advantages of no change of the main structure and performance of the original hydraulic self unloading trailer, and the addition of the hydraulic self loading mechanism, novel structure, and practicality.
Description
The utility model relates to the vehicle that is applicable to shipping or transportation, loading and unloading, it is a kind of vehicle of the banking motion of using load-carrying element in the vehicle that repacking is convenient to freight, unload, specifically, be a kind of with the fluid transmission device and utilize gear or loading, unloading vehicle that similarity piece is handled; Also relating to a kind of hoisting crane, specifically, is the boom crane of a kind of attaching on standard agricultural tractor.
The handling method of loose unpacked materials such as the powdery of small farm trailer transportation at present, granular, pieces of an egg shape mainly contains two kinds: a kind of be on the less goods yard of scale with artificial loading and unloading, instrument is a spade etc., labor strength is big, inefficiency; Another kind be on large-scale goods yard with the tower crane type cargo handling with grabs, its operation rate of machinery is low, loads the cost height.
The purpose of this utility model provide a kind of can be easily with the small farm trailer supporting, can the self-chambering material, simple in structure, easy to use, small farm hydraulic pressure Self-loading ﹠ self-unloading trailer that efficiency of loading is high.
Technical solution of the present utility model is: a kind of small farm hydraulic pressure Self-loading ﹠ self-unloading trailer, based on the small farm trailer, the difference of itself and prior art is: the front end at trailer has installed the hydraulic pressure automatic loading mechanism additional, a column of fixing with trailer towing pipe and following underframe is arranged in the hydraulic pressure automatic loading mechanism, the hydraulic pressure lifting part is equipped with on column top, the hydraulic grab parts are housed on the pivoted arm of hydraulic pressure lifting part, and hydraulic pressure lifting part, hydraulic grab parts all link to each other with control block hydraulic unit with.
Hydraulic pressure lifting part in the utility model comprises the rotating shaft on the column, and pivoted arm is loaded in the rotating shaft, and gear is equipped with on the rotating shaft top, the engagement of rack and pinion, and tooth bar connects with oil cylinder on column, and rotating shaft and pivoted arm connect to form triangle with oil cylinder.Certainly, also can adopt the hydraulic pressure lifting part of other suitable construction forms.
Hydraulic grab parts in the utility model comprise the hanging axis that connects with aforementioned pivoted arm, and hanging axis is the grab bucket frame down, in the grab bucket frame oil cylinder is housed, the grab bucket dimidiation, and grab bucket relies on hinge axis to be connected with the grab bucket frame.Certainly, also can adopt the hydraulic grab parts of other suitable construction forms.
Control block hydraulic unit with in the utility model comprises that is loaded on the geared oil pump on tractor clutch's fixed mount before the trailer, and geared oil pump is connected with rotation distributing valve on being loaded on aforementioned column by oil pipe.Certainly, also can adopt the control block hydraulic unit with of other suitable construction forms.
A valve body is arranged in the rotation distributing valve of the present utility model, spool is housed in the valve body, have a circle oil groove on the one end face of cylinder of spool, valve body connects the high pressure oil inlet of oil pump output in the oil groove relevant position, having " Z " shape groove on the spool periphery communicates with oil groove, the center of the spool other end is drilled with a blind hole, valve body takes back oil pipe in the blind hole relevant position, horizontal line is right-hand on spool " Z " shape groove, the left of the following line of rabbet joint be drilled with two radially fuel return hole communicate with blind hole, be equipped with on the valve body towards hydraulic grab parts oil cylinder, two oil cylinders of hydraulic pressure lifting part and hydraulic pressure self-unloading drive the high pressure fuel pipe of the oil cylinder of compartment upset.Certainly, also can adopt the rotation distributing valve of other suitable construction forms.
The utility model has the advantages that: the keystone configuration and the performance that do not change original mini-trailer, increased the hydraulic pressure automatic loading mechanism, substituted the manual loading, alleviated labour intensity, improved the conveying efficiency of trailer, thereby improved economic benefit and social benefit, structure design novelty, practicality, simple in structure, cost is low, and is easy to utilize.Especially fluid control has adopted the rotation distributing valve, more simplifies the structure, and has reduced cost.
The utility model is described in further detail below in conjunction with drawings and Examples:
Fig. 1 is the complete vehicle structure scheme drawing of a kind of small farm hydraulic pressure Self-loading ﹠ self-unloading trailer of the present utility model.
Fig. 2 is the rotating shaft oil cylinder among Fig. 1, the partial view of gear parts.
Fig. 3 is the structural representation of grab bucket part.
Fig. 4 is for rotating the front view of distributing valve.
Fig. 5 is for rotating the structural representation of distributing valve.
Fig. 1, Fig. 2 etc. have described an embodiment of the present utility model.On the traction square tube 11 of former small farm trailer 6 and following underframe 13, be welded with column 12, rotating shaft 2 is housed on the column 12, pivoted arm 1 is housed in the rotating shaft 2,1 of rotating shaft 2 and pivoted arm are hinged with oil cylinder 3, rotating shaft 2 napexes are equipped with gear 15, tooth bar 14 and gear 15 engagements, and be connected with oil cylinder 16 on being contained in column 12.Rotating distributing valve 5 is loaded on the principal post 12, geared oil pump and dental clutch 7 are installed on the fixed mount of friction clutch axle of trac. 9, steel wire rope support 8 is installed on the trac. lamp bracket, when not using, the detachable frame that is placed down in is sailed in the seat 10, grab bucket is embedded in hanging axis in the channel-section steel of pivoted arm 1, and the pivoted arm 2, column 12 of wire rope rope in grab bucket is to steel wire rope support 8.
Fig. 3 has described the grab bucket structure.Grab bucket body 22 about grab bucket divides, grab bucket body 22 both sides and grab bucket frame 18 are connected with hinge axis, and the body 22 of grabbing bucket is middle to be connected with channel-section steel with the oil cylinder piston bar, and channel-section steel is hinge axis with piston rod, channel-section steel with grab bucket body 22 and is connected.Grab bucket fork 21 is connected with hinge axis respectively with grab bucket frame 18, grab bucket body 22.When the cylinder rod chamber oil-feed, grab bucket body 22 two halves open, and when the oil cylinder rodless cavity oil-feed, grab bucket body 22 is grabbed the thing closure.Hanging axis is made up of three parallel shafts, and tween drive shaft is connected with grab bucket frame 18 hinges, and the tween drive shaft two ends are with roller, both sides axle and middle seam, and the two ends of limit axle are welded with vertical little axle, are with roller on the little axle.
Fig. 4, Fig. 5 have described the rotation distributing valve that is adopted in the utility model.It is a part of control block hydraulic unit with, and the fluid control part is made up of oil pump, rotation distributing valve, oil pipe.Oil pump is a CB type gear type pump, and gear type pump is installed on the fixed mount of trac. friction clutch axle, with the other end lengthening of friction clutch, with castellated clutch mode pinion pump work.Rotate distributing valve and mainly contain valve body 35, pivoted arm left and right sides driving oil cylinder two oil connectors 23, oil inlet 24, pivoted arm rotating drive oil cylinder two oil connectors 25, grab bucket oil cylinder two oil connectors 26, compartment up and down stir oil cylinder oil connector 27 to be threaded on the valve body 35, valve body 35 and spool 34 are with cylindrical fit, two ends add behind the packing seal fastening with bottom 30 and top cover 37 by screw 28, dress Overflow Cone 33, spring 32, screw 31, top cover 37 add " O " RunddichtringO 36 with the spool cooperation place in the spool, and handle 38 is threadedly connected on the spool.When arbitrary oil cylinder need move, turning handle made that " Z " type groove communicates with the rod chamber (or rodless cavity) of this oil cylinder on the spool, injected high pressure oil, and at this moment the fuel return hole on the spool communicates with the rodless cavity (or rod chamber) of this oil cylinder, the action of realization oil cylinder.Have overflow weir on the spool, as the overload protection of hydraulic efficiency pressure system.
Hydraulic pressure lifting part is connected to the hydraulic grab part: pivoted arm is middle to be opening two channel-section steels staggered relatively to the top, be placed on the top seam with angle steel and form, hanging axis is embedded in the two channel-section steel grooves, when grab bucket need be grabbed material, rotate on a pivoted arm left side (right side), and down to extreme lower position, grab bucket slides into the pivoted arm top, reaches the position of grabbing material, when grabbing material, pivoted arm is in all the time to the state that presses down under the oil cylinder effect, makes the unlikely come-up of grab bucket.Grabbed material needs open in the compartment when putting material when grabbing bucket, and pivoted arm turns to the extreme higher position, and the grab bucket by gravity slides into the pivoted arm midway location, pivoted arm (left side) rotation to the right simultaneously, and grabbing bucket reaches the position of putting material.
If solid accumulation is higher sometimes, grab bucket can't slide into the pivoted arm top, then utilize steel rope pulling grab bucket, the hoisting wirerope frame is contained on the trac. of drawbar trailer, under the rubbing effect of tractor belt wheel, pulling ties up to grab bucket upward through the steel rope of pivoted arm pulley, realizes that unloaded grab bucket arrives the pivoted arm top, and the clutch of steel wire rope support and belt pulley is finished by pedal lever mechanism.
When compartment self-unloading hypsokinesis, pivoted arm is turned to the extreme higher position, grab bucket can be moved the pivoted arm top to by steel rope, and the pivoted arm that also can to the right or turn left makes grab bucket leave car position.
Claims (5)
1, a kind of small farm hydraulic pressure Self-loading ﹠ self-unloading trailer, based on the small farm trailer, it is characterized in that: the front end at trailer has installed the hydraulic pressure automatic loading mechanism additional, a column of fixing with trailer towing pipe and following underframe is arranged in the hydraulic pressure automatic loading mechanism, the hydraulic pressure lifting part is equipped with on column top, the hydraulic grab parts are housed on the pivoted arm of hydraulic pressure lifting part, and hydraulic pressure lifting part, hydraulic grab parts all link to each other with control block hydraulic unit with.
2, small farm hydraulic pressure Self-loading ﹠ self-unloading trailer according to claim 1, it is characterized in that: the hydraulic pressure lifting part comprises the rotating shaft on the column, pivoted arm is loaded in the rotating shaft, gear is equipped with on the rotating shaft top, a rack and pinion engagement, tooth bar connects with oil cylinder on column, and rotating shaft and pivoted arm connect to form triangle with oil cylinder.
3, small farm hydraulic pressure Self-loading ﹠ self-unloading trailer according to claim 2, it is characterized in that: the hydraulic grab parts comprise the hanging axis that connects with aforementioned pivoted arm, and hanging axis is the grab bucket frame down, in the grab bucket frame oil cylinder is housed, grab bucket dimidiation, grab bucket rely on hinge axis to be connected with the grab bucket frame.
4, according to claim 1 or 2,3 described small farm hydraulic pressure Self-loading ﹠ self-unloading trailers, it is characterized in that: control block hydraulic unit with comprises that is loaded on the geared oil pump on tractor clutch's fixed mount before the trailer, and geared oil pump is connected with rotation distributing valve on being loaded on aforementioned column by oil pipe.
5, small farm hydraulic pressure Self-loading ﹠ self-unloading trailer according to claim 4, it is characterized in that: rotating in the distributing valve has a valve body, spool is housed in the valve body, have a circle oil groove on the one end face of cylinder of spool, valve body connects the high pressure oil inlet of oil pump output in the oil groove relevant position, having " Z " shape groove on the spool periphery communicates with oil groove, the center of the spool other end is drilled with a blind hole, valve body takes back oil pipe in the blind hole relevant position, horizontal line is right-hand on spool " Z " shape groove, the left of the following line of rabbet joint be drilled with two radially fuel return hole communicate with blind hole, be equipped with on the valve body towards hydraulic grab parts oil cylinder, two oil cylinders of hydraulic pressure lifting part and hydraulic pressure self-unloading drive the high pressure fuel pipe of the oil cylinder of compartment upset.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95246698 CN2242814Y (en) | 1995-12-21 | 1995-12-21 | Small farm hydraulic self-loading-unloading trailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95246698 CN2242814Y (en) | 1995-12-21 | 1995-12-21 | Small farm hydraulic self-loading-unloading trailer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2242814Y true CN2242814Y (en) | 1996-12-18 |
Family
ID=33886239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95246698 Expired - Fee Related CN2242814Y (en) | 1995-12-21 | 1995-12-21 | Small farm hydraulic self-loading-unloading trailer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2242814Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1746047B (en) * | 2004-09-06 | 2012-09-05 | 赫伯特·诺尔 | Goods lifting device for vehicle |
| CN102995675A (en) * | 2012-09-28 | 2013-03-27 | 桂林晟成机械有限公司 | Bucket squeezer |
| CN112723147A (en) * | 2020-12-14 | 2021-04-30 | 江苏新民洲港务有限公司 | High-efficient timber grab bucket with high security performance |
-
1995
- 1995-12-21 CN CN 95246698 patent/CN2242814Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1746047B (en) * | 2004-09-06 | 2012-09-05 | 赫伯特·诺尔 | Goods lifting device for vehicle |
| CN102995675A (en) * | 2012-09-28 | 2013-03-27 | 桂林晟成机械有限公司 | Bucket squeezer |
| CN112723147A (en) * | 2020-12-14 | 2021-04-30 | 江苏新民洲港务有限公司 | High-efficient timber grab bucket with high security performance |
| CN112723147B (en) * | 2020-12-14 | 2024-04-05 | 江苏新民洲港务有限公司 | High-efficiency wood grab bucket with extremely high safety performance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |