CN202280091U - Novel reverse-rotation eight-connecting-rod mechanism of loader - Google Patents
Novel reverse-rotation eight-connecting-rod mechanism of loader Download PDFInfo
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- CN202280091U CN202280091U CN2011203869523U CN201120386952U CN202280091U CN 202280091 U CN202280091 U CN 202280091U CN 2011203869523 U CN2011203869523 U CN 2011203869523U CN 201120386952 U CN201120386952 U CN 201120386952U CN 202280091 U CN202280091 U CN 202280091U
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Abstract
The utility model discloses a novel reverse-rotation eight-connecting-rod mechanism of a loader, which comprises a front frame, a boom cylinder, a boom, a rotating bucket cylinder, a first rocker arm, a first pull rod, a second rocker arm, a second pull rod and a scraper pan. Due to the fact that reasonable proportional relationships of planar projection distances between the boom, the rocker arms, the scraper pan, the pull rods, the boom cylinder and the rotating bucket cylinder are designed, on the condition of the short boom and a large lifting angle, a high discharge height and a small discharge distance can be achieved, the horizontal moving performance of the scraper pan is good (changing within a range of 2 degrees), the automatic horizontal placing performance of the scraper pan is good (capable of being placed horizontally automatically and improving work efficiency), and transmission angle of each connecting rod is between 12 degrees and 168 degrees (with a good transmission effect).
Description
Technical field
The utility model relates to a kind of engineering machinery, particularly relates to a kind of counter-rotating eight-bar linkage of novel loader.
Background technology
Loader is a kind of high efficiency engineering mechanical device; It is widely used in the shovel in places such as engineering 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 a linkage, is generally counter-rotating six bar mechanism or the parallel linkage that just changeing.Counter-rotating six bar mechanism 10 (as shown in Figure 1) has the power transmission of ground location scraper bowl digging force than advantage such as big, that the scraper bowl discharge rate is fast; But under short swing arm; Discharge height that it is higher and short unloading distance are can't reach each drive line angle to be required to be the designing requirement more than 12 °, and its property set level and translation property are relatively poor automatically.
The utility model content
The purpose of the utility model is to provide the counter-rotating eight-bar linkage of a kind of scraper bowl translation property and the novel loader that the property set level is good, transmission is effective.
For realizing above-mentioned purpose, the technical solution of the utility model is:
The utility model is a new reverse eight loader linkage, which includes front frame, boom cylinder, boom, the bucket cylinder, the first arm of the first rod, the second arm, the second rod, bucket; end of said boom sides respectively hinged front frame, the front end of the boom and bucket, respectively, is hinged at the bottom, and at least between the two boom providing a crossbar; ; two end of the boom cylinder, respectively, on both sides of the front frame is hinged, two ejector boom cylinder with the corresponding ends of the middle boom is hinged, with the end of the bucket cylinder with front frame hinge; the middle of said first rocker arm articulated to the central crossbar outwardly extending arm portion constitute a hinge pivot point, the upper end of the first arm and the bucket cylinder of the jack end portion of the hinge, the first roll the lower end of the first lever arm is hinged at one end, the other end of the first lever arm and the second upper end of the second lever hinged at one end, the other end of the second rod articulated to the middle of the bucket, the second roll The other end of the arm front portion of the boom hinge; said boom and the frame to the hinge point of the boom and bucket hinge point of the straight line distance OI: boom and bucket to bucket end hinge point linear distance IK: boom and bucket to bucket hinge point of the hinge point and the second rod straight line from the IH: Buckets and second hinge point to the second lever and the second lever arm of the hinge point of a straight line Distance HF: second lever and the second rocker arm pivot point to the second rocker arm and boom pivot point hinged straight line from FG: the second arm and boom hinge points to hinged boom and bucket a straight line from point GI: second lever arm and the first hinge point to the first lever arm and the first straight line from the hinge point DF: The first rocker arm and the first lever arm and the pivot point to the first boom hinge point of the straight-line distance DC: The first rocker arm and boom hinge portion extending outwardly central bar hinge points to the first rocker arm and the bucket cylinder hinge point of the straight-line distance CB: The first rocker arm and turn bucket cylinder hinge point to the bucket cylinder and frame hinge point of the straight-line distance AB: boom and frame hinge point to the frame and boom cylinder hinge point of the straight-line distance OJ: boom and frame hinge point to the frame and the bucket cylinder hinge point of the straight-line distance OA: boom and frame hinge point to the boom and the boom cylinder hinge point of 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.
The boom and frame hinge point to the boom and bucket hinge point of the straight-line distance OI: articulated boom and bucket to bucket end point of a straight line from IK: Boom and bucket hinge point to bucket hinge point and the second rod straight line from the IH: Buckets and second hinge point to the second lever and the second lever arm of the hinge point of the straight-line distance HF: second rod and a second rocker arm hinge point to the second rocker arm and boom pivot point hinged straight line from FG: the second arm and boom hinge points to the boom and bucket hinge point of the straight-line distance GI: second rocker arm and a rod hinge point to the first lever arm and the first straight line from the hinge point DF: The first and the first lever arm pivot point to the first rocker arm and boom hinge point of the straight-line distance DC: first roll arm and boom hinge portion extending outwardly central bar hinge points to the first arm and the bucket cylinder hinge point of the straight-line distance CB: The first rocker arm and the bucket cylinder hinge point to the bucket cylinder and frame a straight line from the hinge point AB: boom and frame hinge point to the frame and boom cylinder hinge point of the straight-line distance OJ: boom and frame hinge point to the frame and the bucket cylinder hinge point of the straight-line distance OA: boom and frame hinge point to the boom and the boom cylinder hinge point of the straight-line distance 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 upper end of the other end of described first pull bar and second rocking arm is hinged, and an end of second pull bar is hinged on the top of second rocking arm and the below that its pin joint is positioned at first pull bar and second articulated point of rocker arm.After adopting such scheme; Because the utility model is designed the proportionate relationship of the plane projection distance between rational swing arm, rocking arm, scraper bowl, pull bar, boom cylinder and the rotary ink tank; Under short swing arm and bigger lifting angle, can reach higher discharge height, less unloading distance; The translation property of scraper bowl better (changes in 2 °); Automatically the property set level of scraper bowl good (can set level automatically, increase work efficiency), the drive line angle of each connecting rod is all between 12 ° to 168 ° (transmission is effective).
Below in conjunction with accompanying drawing and specific embodiment the utility model is further described.
Description of drawings
Fig. 1 is a structure chart of commonly using the counter-rotating six bar mechanism;
Fig. 2 is the axonometric drawing of the utility model;
Fig. 3 is the front view of the utility model;
Fig. 4 is the another kind of annexation figure of the utility model pull bar and rocking bar.
The specific embodiment
Like Fig. 2, shown in Figure 3; The utility model is a kind of counter-rotating eight-bar linkage of novel loader, and it comprises front frame 1, boom cylinder 2, swing arm 3, rotary ink tank 4, first Rocker arm 5, first pull bar 6, second rocking arm 7, second pull bar 8, scraper bowl 9, first cross bar 10, second cross bar 11.
The end of the boom 3, respectively, on both sides of the front hinged frame 1, the front end of the boom 3, respectively, at the bottom of the bucket 9 is hinged; two boom cylinder 2 and the front end of the frame 1, respectively, articulated to the sides, two ejector boom cylinder 2 and the corresponding ends of the boom 3 is hinged in the middle, the end of the bucket cylinder 4 articulated to the front frame 1; said first arm 5 in the middle of the hinge arm 3 first crossbar central hinge 10 extends outwardly of the central portion 101 constitute a pivot point, the upper end of the first arm 5 and the bucket cylinder of the jack end portion 4 hinged to the first The lower arm 5 of the first rod 6 is hinged at one end, the other end of the first lever 6 and the upper 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 in the middle, the other end of the second arm 7 and the movable front portion of the hinge arm 3, (Figure 2?, the second arm 7 is before the boom 11 outwardly extending second crossbar each articulated hinge portion 110, the hinge portion 110 and the second end crossbar 11 welded to each other, the outward extension, respectively, to both sides of the moving direction of the arm 3 forms a bent plate, the bent plate soldered directly Activity the front arm 3); characterized in that: said movable arm 3 and the frame to move the hinge point 9 of the arm 3 and the bucket in a straight line from the hinge point OI: 3 boom and bucket to scoop hinge point 9 Front bucket nine straight line from the IK: Boom and bucket 9 3 points to bucket hinge rod 8, 9 and the second hinge point of the straight-line distance IH: Buckets 8, 9 and the second rod to the second rod hinge point 7, 8 and the second rocker arm pivot point of the straight-line distance HF: second lever arm 7, 8 and the second hinge point to the second rocker arm 7 with three articulated boom pivot point of the straight-line distance FG: Second and boom arm 7 3 3 hinge point to the boom and bucket hinge point 9 a straight line from GI: second lever arm 7 and the first six points to the first hinge arm 5 and the first lever 6 a straight line from the hinge point DF: a first lever arm 5 and 6, the first hinge point to the first arm 5 and the boom in a straight line from the hinge point 3 DC: first arm 5 and the first lateral arm 3 Central hinge rod 10 extending outwardly from the first arm of the hinge point 5 and the bucket cylinder 4 is a straight line from the hinge point CB: The first arm 5 and the bucket cylinder four hinge points to the bucket cylinder 4 and the frame a straight line from the hinge point AB: boom hinge point 3 and frame to frame and boom cylinder two hinge point linear distance OJ: boom hinge point 3 and frame to frame and the bucket cylinder 4 hinge a straight line from point OA: boom hinge point 3 and the frame to the boom and boom cylinders 2 3 hinge point of 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 first pull bar 6, second rocking arm 7, second pull bar 8 also can adopt following mode to connect:
The upper end of the other end of described first pull bar 6 and second rocking arm 7 is hinged, and an end of second pull bar 8 is hinged on the top of second rocking arm 7 and the below that its pin joint F2 is positioned at first pull bar 6 and second rocking arm, 7 pin joint F1.
The operating principle of the utility model:
As shown in Figure 3, in 2 lockings of ground location boom cylinder, rotary ink tank 4 big chamber oil-feeds, scraper bowl 9 rotates around the I point, realizes receiving bucket; Lock rotary ink tank 4 then, boom cylinder 2 big chamber oil-feeds promote swing arm and go to peak around the O point; Then lock boom cylinder 2, rotary ink tank 4 loculus oil-feeds realize the discharging function; At last, locking rotary ink tank 4, boom cylinder 2 loculus oil-feeds, swing arm 3 drops to ground around the O point, accomplishes the motion process of four operating modes.
The emphasis of the utility model just is: the counter-rotating eight-bar linkage.
The above; Be merely the utility model preferred embodiment; So can not limit the scope that the utility model is implemented with this, the equivalence of promptly doing according to the utility model claim and description changes and modifies, and all should still belong in the scope that the utility model patent contains.
Claims (4)
1. the counter-rotating eight-bar linkage of a novel loader, it is characterized in that: it comprises front frame, boom cylinder, swing arm, rotary ink tank, first rocking arm, first pull bar, second rocking arm, 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 set at least; 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 the tail end and the front frame of rotary ink tank are hinged; The middle part of described first rocking arm is articulated in the outward extending articulated section of cross bar, swing arm middle part and constitutes its swivel point; The push rod end of the upper end of first rocking arm and rotary ink tank is hinged; One end of the lower end of first rocking arm and first pull bar is hinged; One end of the upper end of the other end of first pull bar and second rocking arm, second pull bar is hinged, and the other end of second pull bar and the middle part of scraper bowl are hinged, the other end of second rocking arm and swing arm anterior hinged.
2. the counter-rotating eight-bar linkage of novel loader according to claim 1 is characterized in that: the air line distance of the pin joint of the pin joint of described swing arm and vehicle frame to swing arm and scraper bowl: the air line distance of the pin joint of swing arm and scraper bowl to scraper bowl front end: the air line distance of the pin joint of the pin joint of swing arm and scraper bowl to the scraper bowl and second pull bar: the air line distance of pin joint to the second pull bar of the scraper bowl and second pull bar and the pin joint of second rocking arm: pin joint to the second rocking arm of second pull bar and second rocking arm and the air line distance hinged swivel point of swing arm: the air line distance of the pin joint of the pin joint of second rocking arm and swing arm to swing arm and scraper bowl: pin joint to the first rocking arm of second rocking arm and first pull bar and the air line distance of the first pull bar pin joint: pin joint to the first rocking arm of first rocking arm and first pull bar and the air line distance of swing arm pin joint: the stretch out air line distance of pin joint of pin joint to the first rocking arm and rotary ink tank of articulated section of first rocking arm and swing arm middle part cross bar: the air line distance of the pin joint of the pin joint of first rocking arm and rotary ink tank to rotary ink tank and vehicle frame: the air line distance of the pin joint of swing arm and vehicle frame to vehicle frame and boom cylinder pin joint: the air line distance of the pin joint of swing arm and vehicle frame to vehicle frame and rotary ink tank pin joint: the air line distance of the pin joint of swing arm and vehicle frame to swing arm and boom cylinder pin joint is: 1890-1960:840-890:320-350:420-460:400-440:300-340:550-58 0:470-510:430-470:1040-1080:190-220:1100-1600.
3. the counter-rotating eight-bar linkage of novel loader according to claim 2 is characterized in that: the air line distance of the pin joint of the pin joint of described swing arm and vehicle frame to swing arm and scraper bowl: the air line distance of the pin joint of swing arm and scraper bowl to scraper bowl front end: the air line distance of the pin joint of the pin joint of swing arm and scraper bowl to the scraper bowl and second pull bar: the air line distance of pin joint to the second pull bar of the scraper bowl and second pull bar and the pin joint of second rocking arm: pin joint to the second rocking arm of second pull bar and second rocking arm and the air line distance hinged swivel point of swing arm: the air line distance of the pin joint of the pin joint of second rocking arm and swing arm to swing arm and scraper bowl: pin joint to the first rocking arm of second rocking arm and first pull bar and the air line distance of the first pull bar pin joint: pin joint to the first rocking arm of first rocking arm and first pull bar and the air line distance of swing arm pin joint: the air line distance of the pin joint of first rocking arm and swing arm middle part outward extending pin joint to the first rocking arm of cross bar and rotary ink tank: the air line distance of the pin joint of the pin joint of first rocking arm and rotary ink tank to rotary ink tank and vehicle frame: the air line distance of the pin joint of swing arm and vehicle frame to vehicle frame and boom cylinder pin joint: the air line distance of the pin joint of swing arm and vehicle frame to vehicle frame and rotary ink tank pin joint: the air line distance of the pin joint of swing arm and vehicle frame to swing arm and boom cylinder pin joint 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.
4. the counter-rotating eight-bar linkage of novel loader according to claim 1 and 2; It is characterized in that: the upper end of the other end of described first pull bar and second rocking arm is hinged, and an end of second pull bar is hinged on the top of second rocking arm and the below that its pin joint is positioned at first pull bar and second articulated point of rocker arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203869523U CN202280091U (en) | 2011-10-12 | 2011-10-12 | Novel reverse-rotation eight-connecting-rod mechanism of loader |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203869523U CN202280091U (en) | 2011-10-12 | 2011-10-12 | Novel reverse-rotation eight-connecting-rod mechanism of loader |
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| Publication Number | Publication Date |
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| CN202280091U true CN202280091U (en) | 2012-06-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203869523U Expired - Fee Related CN202280091U (en) | 2011-10-12 | 2011-10-12 | Novel reverse-rotation eight-connecting-rod mechanism of loader |
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| CN (1) | CN202280091U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102418353A (en) * | 2011-10-12 | 2012-04-18 | 厦门厦工机械股份有限公司 | Reversal eight-connecting-rod mechanism for novel loader |
-
2011
- 2011-10-12 CN CN2011203869523U patent/CN202280091U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102418353A (en) * | 2011-10-12 | 2012-04-18 | 厦门厦工机械股份有限公司 | Reversal eight-connecting-rod mechanism for novel loader |
| CN102418353B (en) * | 2011-10-12 | 2014-01-29 | 厦门厦工机械股份有限公司 | Reversal eight-connecting-rod mechanism for novel loader |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120620 Termination date: 20141012 |
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| EXPY | Termination of patent right or utility model |