CN101956406B - Skid-steer loader working device - Google Patents
Skid-steer loader working device Download PDFInfo
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- CN101956406B CN101956406B CN2010102544721A CN201010254472A CN101956406B CN 101956406 B CN101956406 B CN 101956406B CN 2010102544721 A CN2010102544721 A CN 2010102544721A CN 201010254472 A CN201010254472 A CN 201010254472A CN 101956406 B CN101956406 B CN 101956406B
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- pin joint
- vehicle frame
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Abstract
The invention discloses a skid-steer loader working device which comprises a movable arm, a rocker arm, a connecting rod and a movable arm cylinder, wherein the upper end and the lower end of the rocker arm are respectively articulated with the upper side of a carriage frame and the rear end of the movable arm in two points A and B, both ends of the connecting rod are respectively articulated with the middle part of the movable arm and the upper side of the carriage frame in two points C and D, and the upper end and the lower end of the movable arm cylinder are respectively articulated with the lower side of the carriage frame and the middle part of the movable arm in two points E and F; the distances H1 and H2 between the points A and C and the bottom edge of the carriage frame are greater than three fourths of the height H of the carriage frame, and the distance H3 between the point E and the bottom edge of the carriage frame is less than one fourth of the height H of the carriage frame. When a piston rod of the movable arm cylinder stretches out and pushes the movable arm to rotate and lift around the point B through the hinge point F, the hinge point F rotates around the point E counterclockwise, the point B rotates around the point A counterclockwise, the point D rotates around the point C clockwise, and thus, the movable arm is driven to lift a bucket. The skid-steer loader working device has compact and reasonable structure, the movement track of the movable arm is smooth and has no inflection point, the unloading distance is great, the working device moves smoothly, and materials are not easy to scatter everywhere.
Description
Technical field
The present invention relates to the equipment that a kind of equipment of loader, particularly glide steering loader are used for the lifting scraper bowl, belong to technical field of engineering machinery.
Background technology
Glide steering loader is that a kind of volume is little, the loader of compact conformation; Its discharge height is to embody the very important technical data of glide steering loader performance with the unloading distance, and the unloading distance is meant that scraper bowl is positioned at minimum point and gives rise to the horizontal range that peak moves ahead with respect to the car body direction.Existing glide steering loader equipment employing swing arm rear end is direct and vehicle frame is hinged, and the boom cylinder two ends are hinged with the correct position at vehicle frame and swing arm middle part respectively.During work; Under the effect of boom cylinder piston rod external tensility; The hinged preceding pin joint movement locus of swing arm and scraper bowl is: be the center of circle, be the circular arc of radius with the hinged center of swing arm rear end and vehicle frame to swing arm and the hinged preceding pin joint distance of scraper bowl with the back hinged center of swing arm rear end and vehicle frame; In the swing arm lifting process, because swing arm and the hinged preceding pin joint track of scraper bowl are circular arcs, therefore when scraper bowl gives rise to loader top; Scraper bowl is gone after the vehicle frame direction, and the unloading distance of loader diminishes.
Notice of authorization number is a kind of glide steering loader equipment that can increase discharge height and unloading distance for the Chinese utility model patent of CN 2687076Y discloses; But flex point is arranged at the movement locus top of this equipment swing arm; Cause the equipment motion not smooth, material scatters easily.
Summary of the invention
The objective of the invention is to overcome the deficiency of existing glide steering loader equipment; Provide a kind of and can either increase discharge height and unloading distance; Movement locus is smooth again, but also can shorten complete machine length, improves the glide steering loader equipment of complete machine performance.
The present invention is achieved through following technical scheme:
A kind of glide steering loader equipment; Comprise swing arm, rocking arm, connecting rod and boom cylinder; Said rocking arm upper and lower end is articulated in A, B 2 points with vehicle frame upside and swing arm rear end respectively; Said connecting rod two ends are articulated in C, D 2 points respectively with swing arm middle part and vehicle frame upside, and said boom cylinder upper and lower end is articulated in E, F 2 points with vehicle frame downside and swing arm middle part respectively; Said rocking arm is shorter than connecting rod, and said swing arm comprises swing arm parts, the swing arm link that is symmetricly set on the complete machine both sides, and said swing arm parts are fixedly connected into swing arm through the swing arm link of front end; Said rocking arm comprises rocker part, the rocking arm link that is symmetrically distributed in the complete machine both sides, and said rocker part is fixedly connected into rocking arm through the rocking arm link; Two pin joint C of two pin joint A of said rocking arm and B and said connecting rod and D all are positioned at the rear side at rear drive sprocket center of crawler driving whell center or the wheeled glide steering loader of crawler belt glide steering loader in the horizontal direction; Pin joint A and C point are being distributed in the upside of vehicle frame, pin joint A, C to the vehicle frame base distance H 1, H2 all greater than 3/4 of height of chassis above ground H; The E point is arranged on the vehicle frame lower end, and distance H 3 is less than 1/4 of height of chassis above ground H to the vehicle frame base for the E point, and the E point is positioned at downside before the A point, C point downside afterwards; The B point is positioned at A point back upside, and the D point is positioned at A point front upper side, and is positioned at C point back upside, and when boom cylinder was in contraction state, swing arm was in extreme lower position; Promote swing arm when the B point rotates lifting when the boom cylinder piston rod stretches out through pin joint F, pin joint F rotates counterclockwise around pin joint A around pin joint E, pin joint B, and pin joint D clockwise rotates around pin joint C.
The object of the invention can also further realize through following technical measures.
Aforesaid glide steering loader equipment, the distance between two pin joint A of wherein said rocking arm and the B is AB, the distance between two pin joint C of said connecting rod and the D is CD; Distance between pin joint B and the D is BD; Distance between pin joint A and the C is AC, makes that AB is datum length L, then 1.2L≤CD＜1.3L; L≤BD＜1.1L, 1.5L≤AC＜1.6L.
Aforesaid glide steering loader equipment, wherein said swing arm front end curves inwardly, and is arranged on the inboard of the front driving wheel of preceding guide wheel of crawler type glide steering loader crawler belt or wheeled glide steering loader.Said swing arm link is provided with foot-operated; The swing arm front side is provided with handrail.
Compact conformation of the present invention, reasonable can shorten the length of swing arm, thereby shorten complete machine length, has improved the flexibility and the machine performance of glide steering loader complete machine.Sliding smooth, the no flex point of swing arm movement locus of the present invention, the unloading distance is big, and the equipment motion is smooth, and material is difficult for scattering.The swing arm link is provided with foot-operated assembly, and the swing arm parts are provided with handrail, and the handled easily personnel pass in and out driver's cabin.
Advantage of the present invention and characteristics will illustrate through the non-limitative illustration of following preferred embodiment and explain that these embodiment only provide with reference to accompanying drawing as an example.
Description of drawings
Fig. 1 is that the working device of loader structural representation is transmitted in crawler type slippage of the present invention;
Fig. 2 is a wheeled glide steering loader equipment structural representation of the present invention;
Fig. 3 is that the loader perspective view is transmitted in crawler type slippage of the present invention;
Fig. 4 is an equipment motion process track sketch map of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is described further.
Like Fig. 1～shown in Figure 3; The present invention includes swing arm 1, rocking arm 2, connecting rod 3 and boom cylinder 4; rocking arm 2 upper and lower ends are articulated in A, B 2 points with vehicle frame 4 upsides and swing arm 1 rear end respectively, connecting rod 3 two ends are articulated in C, D 2 points respectively with swing arm 1 middle part and vehicle frame 4 upsides, and boom cylinder 5 upper and lower ends are articulated in E, F 2 points with vehicle frame 4 downsides and swing arm 1 middle part respectively; rocking arm 2 is shorter in length than connecting rod 3 length, and swing arm 1, rocking arm 2, connecting rod 3 and boom cylinder 4 constitute multi-bar linkage.Swing arm 1 comprises swing arm parts 11, the swing arm link 12 that is symmetricly set on the complete machine both sides, and swing arm parts 11 are fixedly connected into swing arm 1 through the swing arm link 12 of front end; Rocking arm 2 comprises rocker part 21, the rocking arm link 22 that is symmetrically distributed in the complete machine both sides, and rocker part 21 is fixedly connected into rocking arm 2 through rocking arm link 22; Swing arm parts 11, swing arm link 12, arm member 21, rocking arm link 22 connect and compose firm swing arm rectangular frame, and boom cylinder 5 is arranged on swing arm rectangular frame both sides, the lifting and the landing of the telescopic drive swing arm 1 of boom cylinder 5.
Like Fig. 1, shown in Figure 2; Contact surface with crawler belt or wheel and ground is horizontal axis X; With crawler driving whell 6 centers of vertically passing Fig. 1 or rear drive sprocket 9 centers of Fig. 2 is vertical axis Y, is that initial point O sets up rectangular coordinate system with the intersection point of X axle, Y axle, and two pin joint C of two pin joint A of rocking arm 2 and B and connecting rod 3 and D all are positioned at the rear side at rear drive sprocket 9 centers of crawler driving whell 6 centers or the wheeled glide steering loader of crawler belt glide steering loader in the horizontal direction; It is the left side of Y axle; Pin joint A and C point are being distributed in vehicle frame 5 upsides, pin joint A to vehicle frame 4 base distance H 1, all greater than 3/4 of height of chassis above ground H, the E point is arranged on vehicle frame 4 lower ends to the C point to vehicle frame 4 base distance H 2; Less than 1/4 of height of chassis above ground H, and the E point is positioned at downside before the A point, C point downside afterwards to the E point to vehicle frame 4 base distance H 3; The B point is positioned at A point back upside, and the D point is positioned at A point front upper side, and is positioned at C point back upside.When boom cylinder 5 was in contraction state, swing arm 1 was in extreme lower position; Promote swing arm 1 when the B point rotates lifting when boom cylinder 5 piston rods stretch out through pin joint F, pin joint F rotates counterclockwise around pin joint A around pin joint E, pin joint B, and pin joint D clockwise rotates around pin joint C.
Distance between 2 two pin joint A of rocking arm and the B is AB, and the distance between 3 two pin joint C of connecting rod and the D is CD, and the distance between pin joint B and the D is BD; Distance between pin joint A and the C is AC, makes that AB is datum length L, then 1.2L≤CD＜1.3L; L≤BD＜1.1L, 1.5L≤AC＜1.6L.As shown in Figure 4, the proportionate relationship of aforesaid each pin joint distance can be guaranteed in swing arm 1 lifting process, with hinged scraper bowl 8 movement locus of swing arm 1 front end near straight line, and flex point does not appear, motion is smooth, the phenomenon that material scatters can not occur.Swing arm 1 front end curves inwardly, and is arranged on the inboard of the front driving wheel 10 of preceding guide wheel 7 of crawler type glide steering loader crawler belt or wheeled glide steering loader, avoids swing arm 1 and loader crawler belt or wheel to interfere.Swing arm link 11 is provided with rides 13, and swing arm 1 front side is provided with handrail 14, is convenient to operating personnel and passes in and out driver's cabin.
Except that the foregoing description, the present invention can also have other embodiments, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection domain of requirement of the present invention.
Claims (4)
1. glide steering loader equipment; Comprise swing arm (1), rocking arm (2), connecting rod (3) and boom cylinder (5); Said rocking arm (2) upper and lower end is articulated in A, B 2 points with vehicle frame (4) upside and swing arm (1) rear end respectively; Said connecting rod (3) two ends are articulated in C, D 2 points with swing arm (1) middle part and vehicle frame (4) upside respectively, and said boom cylinder (5) upper and lower end is articulated in E, F 2 points with vehicle frame (4) downside and swing arm (1) middle part respectively; Said rocking arm (2) is shorter than connecting rod (3); It is characterized in that; Said swing arm (1) comprises swing arm parts (11), the swing arm link (12) that is symmetricly set on the complete machine both sides, and said swing arm parts (11) are fixedly connected into swing arm (1) through the swing arm link (12) of front end; Said rocking arm (2) comprises rocker part (21), the rocking arm link (22) that is symmetrically distributed in the complete machine both sides, and said rocker part (21) is fixedly connected into rocking arm (2) through rocking arm link (22); Two pin joint C of two pin joint A of said rocking arm (2) and B and said connecting rod (3) and D all are positioned at the rear side at rear drive sprocket (9) center of crawler driving whell (6) center or the wheeled glide steering loader of crawler belt glide steering loader in the horizontal direction; Pin joint A and C point are distributed in the upside of vehicle frame (5); Pin joint A, C to vehicle frame (4) base distance H 1, H2 all greater than 3/4 of height of chassis above ground H; The E point is arranged on vehicle frame (5) lower end; Distance H 3 is less than 1/4 of height of chassis above ground H to vehicle frame (4) base for the E point, and the E point is positioned at downside before the A point, C point downside afterwards; The B point is positioned at A point back upside, and D point is positioned at A point front upper side, and is positioned at C point upside afterwards, and when boom cylinder (5) when being in contraction state, swing arm (1) is in extreme lower position; Promote swing arm (1) when the B point rotates lifting when boom cylinder (5) piston rod stretches out through pin joint F, pin joint F rotates counterclockwise around pin joint A around pin joint E, pin joint B, and pin joint D clockwise rotates around pin joint C.
2. glide steering loader equipment according to claim 1 is characterized in that the distance between (2) two pin joint A of said rocking arm and the B is AB; Distance between (3) two pin joint C of said connecting rod and the D is CD, and the distance between pin joint B and the D is BD, and the distance between pin joint A and the C is AC; Make that AB is datum length L; 1.2L≤CD＜1.3L then, L≤BD＜1.1L, 1.5L≤AC＜1.6L.
3. glide steering loader equipment according to claim 1 is characterized in that said swing arm (1) front end curves inwardly, and is arranged on the inboard of the front driving wheel (10) of guide wheel (7) before the crawler belt glide steering loader crawler belt or wheeled glide steering loader.
4. glide steering loader equipment according to claim 1 is characterized in that said swing arm link (12) is provided with foot-operated (13); Swing arm (1) is provided with handrail (14); The lifting and the landing of the telescopic drive swing arm (1) of boom cylinder (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102544721A CN101956406B (en) | 2010-08-16 | 2010-08-16 | Skid-steer loader working device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102544721A CN101956406B (en) | 2010-08-16 | 2010-08-16 | Skid-steer loader working device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101956406A CN101956406A (en) | 2011-01-26 |
| CN101956406B true CN101956406B (en) | 2012-02-22 |
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ID=43483978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102544721A Expired - Fee Related CN101956406B (en) | 2010-08-16 | 2010-08-16 | Skid-steer loader working device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101956406B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102285327B (en) * | 2011-05-20 | 2012-09-26 | 江苏柳工机械有限公司 | Skid-steering loading machine |
| CN103161185B (en) * | 2011-12-12 | 2015-12-23 | 厦门厦工机械股份有限公司 | A kind of sliding loader perpendicular lifting apparatus |
| CN102817384B (en) * | 2012-09-19 | 2014-09-24 | 江苏柳工机械有限公司 | Working device of slippage, steering and loading machine |
| US9017005B2 (en) * | 2013-01-30 | 2015-04-28 | Deere & Company | Skid steer loader lift linkage assembly |
| CN106759582A (en) * | 2017-01-20 | 2017-05-31 | 江苏大道工业车辆有限公司 | Loading machine front stretching arm mechanism |
| US10889962B2 (en) * | 2019-02-20 | 2021-01-12 | Deere & Company | Intelligent mechanical linkage performance system |
| CN110344458A (en) * | 2019-07-16 | 2019-10-18 | 江苏柳工机械有限公司 | Loading machine link mechanism |
| CN110984262A (en) * | 2019-12-06 | 2020-04-10 | 山河智能装备股份有限公司 | Skid-steer loader |
| CN111719611A (en) * | 2020-07-31 | 2020-09-29 | 徐工集团工程机械股份有限公司科技分公司 | Skid-steer loader |
| CN113338367B (en) * | 2021-06-28 | 2022-01-11 | 徐工集团工程机械股份有限公司科技分公司 | Single-side movable arm structure of four-connecting-rod two-oil-cylinder skid-steer loader and lifting method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1188065A (en) * | 1997-01-13 | 1998-07-22 | 郑俊模 | Loader |
| GB2395187A (en) * | 2002-11-14 | 2004-05-19 | Bamford Excavators Ltd | Excavating and loading machine |
| CN201520989U (en) * | 2009-03-12 | 2010-07-07 | 张超 | Single-arm slide moving steering loading machine |
| CN201825567U (en) * | 2010-08-16 | 2011-05-11 | 江苏柳工机械有限公司 | Working device of skid steering loader |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7780395B2 (en) * | 2008-02-29 | 2010-08-24 | Komatsu Ltd. | Lift arm for skid-steer loader |
-
2010
- 2010-08-16 CN CN2010102544721A patent/CN101956406B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1188065A (en) * | 1997-01-13 | 1998-07-22 | 郑俊模 | Loader |
| GB2395187A (en) * | 2002-11-14 | 2004-05-19 | Bamford Excavators Ltd | Excavating and loading machine |
| CN201520989U (en) * | 2009-03-12 | 2010-07-07 | 张超 | Single-arm slide moving steering loading machine |
| CN201825567U (en) * | 2010-08-16 | 2011-05-11 | 江苏柳工机械有限公司 | Working device of skid steering loader |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101956406A (en) | 2011-01-26 |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120222 Termination date: 20190816 |
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| CF01 | Termination of patent right due to non-payment of annual fee |