CN102418353B - Reversal eight-connecting-rod mechanism for novel loader - Google Patents
Reversal eight-connecting-rod mechanism for novel loader Download PDFInfo
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- CN102418353B CN102418353B CN201110308207.1A CN201110308207A CN102418353B CN 102418353 B CN102418353 B CN 102418353B CN 201110308207 A CN201110308207 A CN 201110308207A CN 102418353 B CN102418353 B CN 102418353B
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Abstract
The invention discloses a reversal eight-connecting-rod mechanism for a novel loader. The mechanism comprises a front frame, a movable arm oil cylinder, a movable arm, a rotating bucket oil cylinder, a first rocker arm, a first pull rod, a second rocker arm, a second pull rod and a bucket. Since rational proportional relations of plane projection distances among the movable arm, the rocker arms, the bucket, the pull rods, the movable arm oil cylinder and the rotating bucket oil cylinder are designed, higher unloading height and short unloading distance can be obtained under the conditions of a shorter movable arm and a larger lifting angle, the bucket has better translation (changing within 2 degrees) and better automatic lay-flat property (can be automatically laid flat to increase working efficiency), and the transmission angles between connecting rods are between 12 and 168 degrees (good transmission effect).
Description
Technical field
The present invention relates to a kind of engineering machinery, particularly relate to a kind of reversal eight-connecting-rod mechanism of novel loader.
Background technology
Loader is a kind of high efficiency engineering mechanical device, it is widely used in the shovel in the places such as the engineerings such as highway, railway, harbour, harbour, coal, mine, water conservancy, national defence and urban construction and pretends industry, the working device of loader of prior art is linkage, is generally reversal six-connecting-rod mechanism or parallel forward linkage.Reversal six-connecting-rod mechanism 10(is as shown in Figure 1) there is the power transmission of ground location scraper bowl digging force than the advantage such as large, scraper bowl discharge rate is fast, but under shorter swing arm, the discharge height that it is higher and shorter unloading distance is cannot reach each drive line angle to be required to be 12 ° of above designing requirements, and its automatic leveling and translation poor.
Summary of the invention
The object of the present invention is to provide the reversal eight-connecting-rod mechanism of a kind of scraper bowl translation and the novel loader that the property set level is good, transmission is effective.
For achieving the above object, technical solution of the present invention is:
The present invention is a novel reversing eight loader linkage, which includes front frame, boom cylinder, boom, bucket cylinder, the first arm, the first rod, a second arm, the second rod bucket; end of the boom are respectively hinged to both sides of the front frame, the front end of the boom are hinged to the bottom of the bucket and the movable arm is provided between at least one of the two bar;; Two tail boom cylinders respectively articulated on both sides of the front frame, the two ends of the boom ram cylinders respectively corresponding to the middle of the hinged boom, the front end of the frame is hinged bucket cylinder ; the central arm of said first movable portion hinged to the hinge arm extending outwardly of the central bar constituting the pivot point, the jack end portion of the upper end of the first arm and the bucket cylinder is hinged, a first arm The lower end of the rod is hinged to the first upper end of the first rod and the other end of the second arm, a second lever hinged at one end, middle and other end of the second rod hinged to the bucket, the second rocker arm The front portion of the other end articulated boom; boom and the frame to move the hinge point of the straight line from the hinge arm and bucket OI point: articulated boom and bucket bucket end point by a straight line Distance IK: boom and bucket hinge point to the straight-line distance IH bucket pivot point and a second rod: the bucket pivot point and a second rod to the second rod and the second arm of the hinge point of the straight-line distance HF: linear distance FG second rod and the second rocker arm pivot point to the second arm and boom swivel hinge point: the hinge point of the second arm and boom to boom and bucket hinge point The straight-line distance GI: second lever arm and the first straight line from the pivot point to the first arm and the first rod DF hinge point:A straight line from DC first, and the first lever arm pivot point to the first arm and boom hinge point: the first arm and boom hinge point central bar hinge portion extending outwardly to the first arm and CB linear distance bucket cylinder hinge point: the first arm and bucket cylinder hinge point to the bucket cylinder and frame hinge point of the straight line distance AB: boom and frame to frame and move the hinge point straight-line distance OJ arm cylinder hinge point: the boom and frame hinge point to a straight line from OA frame and bucket cylinder hinge point: the boom and frame hinge point to move straight arm and boom cylinder hinge point of distance OE is :1890 -1960 :840-890 :320-350 :420-460 :400-440 :300-340 :550-580 :470-510 :430-470 :1040-1080 :190-220: 1100 - 1600.
Boom and frame hinge point to the boom and bucket hinge point of the straight line distance OI: boom and bucket hinge point to a straight line from the bucket end IK: boom and bucket hinge point bucket lever to the articulation points of the second straight line from the IH: bucket lever and a second pivot point to the straight line distance between the second lever arm and the second hinge point HF: a second rod and the second arm FG straight line distance to the second rocker arm pivot point and turning point hinged boom : the hinge point of the second arm and boom to boom and bucket pivot point of a straight line from GI: the second arm and a straight line from the DF to the first lever arm pivot point and the first rod hinge point : the first lever arm and the first pivot point to the first straight line from the DC arm and boom hinge points : first shake arm and boom hinge point central bar hinge portion extending outwardly to the first arm and a straight line from the bucket cylinder hinge point of CB: the first rocker arm and bucket cylinder hinge point to the bucket cylinder and frame a straight line from the point of articulation AB : boom and frame hinge point to the straight line distance OJ frame and boom cylinder hinge point : the boom and frame hinge point to a straight line from the frame and bucket cylinder hinge point OA: boom and frame hinge point to the boom and boom cylinder hinge point of the straight line from the OE is: 1925.2:870.5:333.6:446.5:424.6:323.2:565.2:499.8:456.8:1068.6:389:208.6:1133 .
The other end of the first described pull bar and the upper end of the second rocking arm are hinged, and one end of the second pull bar is hinged on the top of the second rocking arm and the below that its pin joint is positioned at the first pull bar and the second articulated point of rocker arm.Adopt after such scheme, because the present invention designs the proportionate relationship of the plane projection distance between rational swing arm, rocking arm, scraper bowl, pull bar, boom cylinder and rotary ink tank, under shorter swing arm and larger lifting angle, can reach higher discharge height, less unloading distance, the translation of scraper bowl better (changes) in 2 °, good (can automatically the setting level of automatic leveling of scraper bowl, increase work efficiency), the drive line angle of each connecting rod is all between 12 ° to 168 ° (transmission is effective).
Below in conjunction with the drawings and specific embodiments, the present invention is further illustrated.
Accompanying drawing explanation
Fig. 1 is the structure chart of commonly using reversal six-connecting-rod mechanism;
Fig. 2 is axonometric drawing of the present invention;
Fig. 3 is front view of the present invention;
Fig. 4 is the another kind of annexation figure of pull bar of the present invention and rocking bar.
The specific embodiment
As shown in Figure 2 and Figure 3, the present invention is a kind of reversal eight-connecting-rod mechanism of novel loader, and it comprises front frame 1, boom cylinder 2, swing arm 3, rotary ink tank 4, the first Rocker arm 5, the first pull bar 6, the second rocking arm 7, the second pull bar 8, scraper bowl 9, the first cross bar 10, the second cross bar 11.
The end of the boom 3 are hinged on both sides of the front frame 1, the front end of the boom 3 are hinged to the bottom of the bucket 9; two tail boom cylinder 2 and the front frame 1, respectively, hinged on both sides of the two end portions of the boom cylinder 2 are respectively the jack and middle of the corresponding articulated arm 3, bucket cylinder and the front end hinged to a frame 4; said first arm 5 is hinged to the middle of the central three middle boom 10 extends outwardly of the first crossbar portion 101 constituting the hinge pivot point, the first arm and the upper end portion of the jack cylinder 5 of the bucket 4 is articulated, a first The lower end of the first arm 5 is hinged lever 6, the upper end of the first rod 6 and the other end of the second arm 7, the second rod 8 is hinged at one end, the other end of the second rod 8 and the bucket 9 hinged to the middle, the other end of the second arm 7 and the front portion of the hinge arm 3 (Fig 2, the second arm 7 is prior to the boom 11 extends outwardly of the second crossbar each hinge portion 110 is hinged to the second end of the cross bar 110 are welded to the hinge portion 11, an outwardly bent extension plates are formed in the direction of the sides of the boom 3, the bent plate is directly welded to the movable 3 the front portion of the arm); characterized in that: the frame 3 and the boom hinge point to a straight line from the boom hinge point 3 and OI bucket 9: the boom 3 and the hinge point 9 of the bucket to scoop a straight line from the tip of the bucket 9 IK: Boom and bucket hinge point 3 to 9 linear distance IH bucket hinge point 9 and the second rod 8: bucket hinge point 9 and the second rod to the second rod 8 8 and the straight-line distance HF second rocker arm pivot point 7: linear distance FG second rod 8 and the second rocker arm pivot point 7 to the second arm and boom 3 hinged swivel point 7: Second the rocker arm 7 and the hinge point 3 to the movable hinge point of the arms 3 and the bucket 9 linear distance GI:Linear distance DF second arm 7 and the first hinge point of the rod 6 to the first lever arm 5 and the first hinge point 6: a first lever arm 5 and the first hinge point to the first arm 5 6 and a straight line from DC articulated boom three points: the first arm and boom 5 3 Central first crossbar 10 extends outward hinge portion of the hinge point to hinge point of the first straight arm and bucket cylinder 5 4 Distance CB: the first rocker arm pivot point 5 and bucket cylinder 4 to turn a straight line from AB bucket cylinder 4 and the frame hinge point: the boom hinge point 3 and frame to frame and articulated boom cylinder 2 OJ point linear distance: boom hinge point 3 and frame to frame and bucket cylinder 4 hinge points of a straight line from OA: boom 3 and frame hinge point to the boom and boom cylinder 2 3 hinge point the straight-line distance OE is :1890 -1960 :840-890 :320-350 :420-460 :400-440 :300-340 :550-580 :470-510 :430-470 :1040-1080 :190-220: 1100-1600.
Optimum value: OI:IH:HF:FG:GI:DF:DC:CB:AB:OJ:OA:OE is: 1925.2:870.5:333.6:446.5:424.6:323.2:565.2:499.8:456.8:1 068.6:389:208.6:1133.
As shown in Figure 3, described the first pull bar 6, the second rocking arm 7, the second pull bar 8 also can connect in the following ways:
The other end of the first described pull bar 6 and the upper end of the second rocking arm 7 are hinged, and one end of the second pull bar 8 is hinged on the top of the second rocking arm 7 and the below that its pin joint F2 is positioned at the first pull bar 6 and the second rocking arm 7 pin joint F1.
Operating principle of the present invention:
As shown in Figure 3, in 2 lockings of ground location boom cylinder, the large chamber oil-feed of rotary ink tank 4, scraper bowl 9 rotates around I point, realizes and receives bucket; Then lock rotary ink tank 4, the large chamber oil-feed of boom cylinder 2, promotes swing arm and goes to peak around O point; Then lock boom cylinder 2, rotary ink tank 4 loculus oil-feeds, realize material unloading function; Finally, locking rotary ink tank 4, boom cylinder 2 loculus oil-feeds, swing arm 3 drops to ground around O point, completes the motion process of four operating modes.
Emphasis of the present invention is just: reversal eight-connecting-rod mechanism.
The above, be only preferred embodiment of the present invention, therefore can not limit scope of the invention process with this, the equivalence of doing according to the present patent application the scope of the claims and description changes and modifies, and all should still remain within the scope of the patent.
Claims (3)
1. a reversal eight-connecting-rod mechanism for novel loader, is characterized in that: it comprises front frame, boom cylinder, swing arm, rotary ink tank, the first rocking arm, the first pull bar, the second rocking arm, the second pull bar, scraper bowl; The tail end of described swing arm is hinged with the both sides of front frame respectively, and the front end of swing arm is hinged with the bottom of scraper bowl respectively, and between two swing arms, a cross bar is at least set; The tail end of two boom cylinders is hinged with the both sides of front frame respectively, and the push rod end of two boom cylinders is hinged with the middle part of corresponding swing arm respectively, and tail end and the front frame of rotary ink tank are hinged; The middle part of the first described rocking arm is articulated with the outward extending articulated section of cross bar, swing arm middle part and forms its swivel point, the push rod end of the upper end of the first rocking arm and rotary ink tank is hinged, one end of the lower end of the first rocking arm and the first pull bar is hinged, one end of the upper end of the other end of the first pull bar and the second rocking arm, the second pull bar is hinged, the other end of the second pull bar and the middle part of scraper bowl are hinged, and the other end of the second rocking arm and the front portion of swing arm are hinged.
2 new loader according to claim 1, wherein the inversion eight linkage , wherein : the boom and the frame to the hinge point of the straight line from the hinge point of the arm and the bucket moving : Boom and bucket to bucket hinge point in a straight line from the front : the boom and bucket to bucket hinge point and the pivot point of the second rod linear distance : bucket hinge point and the second rod to the second rod and a straight line from the second rocker arm pivot point : the straight line distance between the second rod and the second arm pivot point to the second arm and boom swivel hinge point : the hinge point of the second arm and boom to a straight line from the boom and bucket hinge point : the straight line distance between the second and the first lever arm pivot point to the first arm and the first rod hinge point : the first lever arm and the first hinge point to straight-line distance between the first arm and boom hinge point : the straight-line distance hinge point of the first arm and boom extending outwardly from the central bar to the first arm and bucket cylinder hinge point : the first arm and bucket cylinder hinge points to turn a straight line from the bucket cylinder and frame hinge point : the boom and frame hinge point to a straight line from the frame and boom cylinder hinge point : the boom and frame hinge point to a straight line from the frame and bucket cylinder hinge point : the boom and frame hinge point to a straight line from the boom and boom cylinder hinge point is: 1925.2:870.5:333.6:446.5:424.6:323.2:565.2:499.8 : 456.8:1068.6:389:208.6:1133 .
3. the reversal eight-connecting-rod mechanism of novel loader according to claim 1 and 2, it is characterized in that: the other end of the first described pull bar and the upper end of the second rocking arm are hinged, one end of the second pull bar is hinged on the top of the second rocking arm and the below that its pin joint is positioned at the first pull bar and the second articulated point of rocker arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110308207.1A CN102418353B (en) | 2011-10-12 | 2011-10-12 | Reversal eight-connecting-rod mechanism for novel loader |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110308207.1A CN102418353B (en) | 2011-10-12 | 2011-10-12 | Reversal eight-connecting-rod mechanism for novel loader |
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| CN102418353A CN102418353A (en) | 2012-04-18 |
| CN102418353B true CN102418353B (en) | 2014-01-29 |
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| CN201110308207.1A Active CN102418353B (en) | 2011-10-12 | 2011-10-12 | Reversal eight-connecting-rod mechanism for novel loader |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108301448B (en) * | 2018-01-26 | 2019-08-20 | 广西柳工机械股份有限公司 | Working device of loader |
| JP2021155980A (en) * | 2020-03-26 | 2021-10-07 | 株式会社小松製作所 | Work machine and control method of work machine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2712865Y (en) * | 2004-07-16 | 2005-07-27 | 广东省第二农机厂 | Operating apparatus for loading machine |
| CN201687020U (en) * | 2010-05-17 | 2010-12-29 | 厦门厦工机械股份有限公司 | Eight-bar linkage working mechanism of loader |
| CN202280091U (en) * | 2011-10-12 | 2012-06-20 | 厦门厦工机械股份有限公司 | Novel reverse-rotation eight-connecting-rod mechanism of loader |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11343631A (en) * | 1998-06-01 | 1999-12-14 | Maruma Technica Kk | Parallel link device for wheel loader |
| US5964301A (en) * | 1998-08-12 | 1999-10-12 | Glasgow; Kenny Ern | Tilting loader bucket mechanism |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2712865Y (en) * | 2004-07-16 | 2005-07-27 | 广东省第二农机厂 | Operating apparatus for loading machine |
| CN201687020U (en) * | 2010-05-17 | 2010-12-29 | 厦门厦工机械股份有限公司 | Eight-bar linkage working mechanism of loader |
| CN202280091U (en) * | 2011-10-12 | 2012-06-20 | 厦门厦工机械股份有限公司 | Novel reverse-rotation eight-connecting-rod mechanism of loader |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平11-343631A 1999.12.14 |
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| CN102418353A (en) | 2012-04-18 |
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