CN105201029A - Loader working device - Google Patents
Loader working device Download PDFInfo
- Publication number
- CN105201029A CN105201029A CN201510580709.8A CN201510580709A CN105201029A CN 105201029 A CN105201029 A CN 105201029A CN 201510580709 A CN201510580709 A CN 201510580709A CN 105201029 A CN105201029 A CN 105201029A
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- China
- Prior art keywords
- swing arm
- working device
- arm
- swing
- rocking arm
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- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention relates to a loader working device; in order to solve the defect that the existing loader working device has a narrow working view and is unreasonable in force distribution, the invention discloses the construction of the loader working device. The loader working device comprises two movable arms and two swing arms; a movable arm cross beam is fixedly connected between the two movable arms; the movable arm cross beam is provided with two movable arm support plates in a bilateral symmetry manner; the corresponding swing arm is hinged between each swing arm support plate and the movable arm nearby the swing arm through a hinge pin. According to the loader working device, the movable arm cross beam is provided with only two swing arm support plates, and the swing arm is supported by each support plate by means of one movable arm, thus the distance between the two swing arm support plates can be increased, therefore the view of an operator is improved; meanwhile, when the loader working device works, a part of load on the swing arms is directly transmitted to the movable arms through the hinge pins to reduce the force on the movable arm cross beam, therefore the possibility of weld failure between the movable arm cross beam and the movable arms can be lowered.
Description
Technical field
The present invention relates to loader, more particularly, relate to a kind of working device of loader.
Background technology
Existing large-tonnage loader, as the forklift truck of large-tonnage loader, during work, the load of folding and unfolding bucket (pallet fork anteversion and retroversion) is huge, and therefore loader forklift truck is all the equipment using two rocking arm.In the structure of existing this kind of pair of rocking arm equipment, connected by mobile beam at the middle part of two swing arms, welding on mobile beam four pieces of support plates, every two pieces of support plates are one group, a rocking arm and one group of support plate hinged; rocking arm, between paired two pieces of support plates, is undertaken hinged by rocking arm bearing pin.
The various power needed for the equipment of existing this large-tonnage loader forklift truck are all larger, the optimization of some position is just difficult to; the point (point in the middle of rocking arm) that rocking arm is connected with mobile beam can block by passive arm; the gap between two rocking arm is smaller, and during assembling rocking arm, the assembling of bearing pin is more difficult; Loader operationally simultaneously, and the power on rocking arm passes to crossbeam by the support plate that crossbeam welds, and the weld seam be connected with swing arm plate by crossbeam bears very large moment of torsion, and commissure stress is very large; And crossbeam welds four pieces of support plates, and the distance between two rocking arms is very near, and after loading onto rocking arm, the visual field of driver is blocked, and operating efficiency can be very low.
Summary of the invention
The technical problem to be solved in the present invention is, distribution of force unreasonable shortcoming little for the work visual field of existing working device of loader, and the visual field is good, the rational working device of loader of distribution of force to provide one to work.
The present invention is the technical scheme realizing its object is such: construct a kind of working device of loader, comprise two swing arms, two rocking arms, mobile beam is fixedly connected with between described two swing arms, described mobile beam is symmetrically set with two rocking arm support plates, by the rocking arm described in hinged one of hinging pin shaft between the swing arm of each rocking arm support plate and this rocking arm vicinity.In the present invention, mobile beam is hinged with two rocking arms, but mobile beam is only provided with two rocking arm support plates, each support plate supports rocking arm by a swing arm, can increase the distance between two rocking arm support plates like this, thus improve the visual field of operator; Load during operation simultaneously on rocking arm is directly delivered on swing arm by a hinging pin shaft part, another part acts on mobile beam through rocking arm support plate, be delivered on swing arm by mobile beam again, therefore being all delivered on mobile beam relative to the load on the two rocking arm equipment upper rocker arm of traditional loader is delivered on swing arm through mobile beam again, the effect that rocking arm of the present invention is passed on mobile beam is little, thus can reduce the possibility of the weld cracking between mobile beam and swing arm.
In above-mentioned working device of loader, be welded with ring stiffener inside described swing arm, the bore area of described reinforcing rib matches with described hinging pin shaft.The effect of ring stiffener can strengthen the intensity that swing arm opens hinged pin-and-hole place, increases the contact area of hinging pin shaft and swing arm link simultaneously, reduces wear, and improves the life-span; Moreover spacing effect can be played, make there is enough gaps and make them that mutual interference can not occur between rocking arm and swing arm.
In above-mentioned working device of loader, one end of described hinging pin shaft is fixedly connected with swing arm, and the other end is fixedly connected with support plate through the hinge hole of described rocking arm.The outside of described swing arm is welded with round lug, described round lug establishes threaded interior hole, the link that described hinging pin shaft is fixedly connected with described swing arm sets position otic placode, and described location otic placode to coordinate with the threaded interior hole of described round lug through bolt and is fixedly connected with described round lug.
The invention has the beneficial effects as follows: mobile beam of the present invention is only provided with two rocking arm support plates, distance between two rocking arm support plates is increased, visual field during driver operation can be improved, one end of rocking arm hinging pin shaft is directly fixedly connected with swing arm simultaneously, improve the approach of dynamic changes process on rocking arm, thus the possibility of swing arm damage can be reduced.
Accompanying drawing explanation
Fig. 1 is the structural representation of working device of loader of the present invention.
Fig. 2 is the structural representation of swing arm and mobile beam in working device of loader of the present invention.
Fig. 3 is the lateral view of swing arm in working device of loader of the present invention.
Fig. 4 is the structural representation of mobile beam in working device of loader of the present invention.
Fig. 5 is working device of loader top view of the present invention.
Component title and sequence number in figure:
Swing arm 1, rocking arm 2, pull bar 3, rotary ink tank 4, boom cylinder 5, mobile beam 6, rocking arm support plate 7, swing arm 8, swing arm pin shaft hole 9, circle lug 10, hinging pin shaft 11, support plate pin shaft hole 12, reinforcing rib 13, location otic placode 14, positioning bolt 15.
Detailed description of the invention
Below in conjunction with accompanying drawing, specific embodiments is described.
As shown in Figure 1, shown in Figure 5, in the present embodiment, working device of loader comprises two swing arms 1, connected by mobile beam 6 at the middle part of two swing arms 1, the front end of swing arm 1 is connected with work accessories such as scraper bowl, fixture, pallet forks, and the front frame of rear end and loader is hinged, and two swing arms 1 are connected with one end of boom cylinder 5 separately, the other end of boom cylinder 5 also for hinged with loader frame, the upper and lower lifting of pin joint of the telescopic drive swing arm 1 moving arm rear end of boom cylinder 5.Equipment also comprises two rocking arms 2, and rocking arm 2 is hinged on mobile beam 6, and one end of the hinged rotary ink tank 4 in rear end of rocking arm 2, other one end of rotary ink tank 4 is also hinged with loader frame.The hinged pull bar 3 in front end of rocking arm 2, the front end of pull bar 3 is used for the hinged work accessory such as scraper bowl, fixture, pallet fork in hinged swing arm front end, and stretching of rotary ink tank 4, is rotated by the pin joint of effect driving work accessory moving arm 1 front end of rocking arm 2, pull bar 3.
As shown in Figure 2, Figure 3, Figure 4, in working device of loader of the present invention.The rocking arm support plate 7 that mobile beam 6 is arranged is two; rocking arm support plate 7 welds mutually with mobile beam 6; two rocking arm support plates 7 are symmetrical about the central plane of working device of loader; on rocking arm support plate 7, be provided with support plate pin shaft hole 12; on each swing arm 1, be equally also provided with a swing arm pin shaft hole 9, and the swing arm pin shaft hole 9 on swing arm 1 is on same axis line with the support plate pin shaft hole 12 on support plate.At the reinforcing rib 13 of the inner side of swing arm 1 welding by annular, the endoporus of ring stiffener 13 is also coaxial with swing arm pin shaft hole 9, and in the welding of the outside of swing arm 1 by circle lug 10, the endoporus of circle lug 10 establishes internal thread.
As shown in Figure 5, to partner hinged seat at the swing arm 1 that each rocking arm support plate 7 is contiguous with this rocking arm support plate 7, by the hinged rocking arm 2 of hinging pin shaft 11 on this hinged seat, one end of hinging pin shaft 11 is through coordinating with the support plate pin shaft hole 12 on rocking arm support plate 7 after rocker-arm roller pin axis hole and being fixedly connected with rocking arm support plate 7, matches with the swing arm pin shaft hole 9 on swing arm 1 and be fixedly connected with swing arm 1 in other one end of hinging pin shaft 11.As shown in Figure 1, this end be connected with swing arm 1 at hinging pin shaft 11 is also provided with the location otic placode 14 preventing hinging pin shaft from rotating, location otic placode 14 is provided with locating hole, this locating hole aligns with round lug 10 endoporus on swing arm 1, coordinated with the inner hole thread of circle lug 10 by the locating hole of positioning bolt 15 through location otic placode 14, the location realizing hinging pin shaft 11 is fixed.The endoporus aperture of the reinforcing rib 13 inside swing arm 1 is also identical with the external diameter of hinging pin shaft, realizes the support good to swing arm bearing pin.
In the present embodiment, mobile beam 6 is hinged with two rocking arms 2, but mobile beam 6 is only provided with two rocking arm support plates 7, each rocking arm support plate 7 forms a hinged seat by a swing arm 1 and supports rocking arm 7, the distance L between two rocking arm support plates 7 can be increased like this, thus improve the visual field of operator, load during operation simultaneously on rocking arm 2 is directly delivered on swing arm 1 by a part for hinging pin shaft 11, another part acts on mobile beam 6 through rocking arm support plate 7, be delivered on swing arm 1 by mobile beam 6 again, therefore being all delivered on mobile beam by two rocking arm support plate relative to the load on the two rocking arm equipment upper rocker arm of traditional loader is delivered on swing arm through mobile beam again, under the prerequisite of same load, the load that rocking arm 2 of the present invention is passed on mobile beam 6 is little, junction so between mobile beam 6 and swing arm stressed also just little, thus the possibility of the weld cracking between mobile beam 6 and swing arm 1 can be reduced.
The effect of ring stiffener 13 can strengthen the intensity that swing arm 1 starts the hinged pin-and-hole place of arm, increases the contact area of hinging pin shaft and swing arm link simultaneously, reduces wear, and improves the life-span; Moreover spacing effect can be played, make there is enough gaps and make them that mutual interference can not occur between rocking arm and swing arm.
Claims (4)
1. a working device of loader, comprise two swing arms, two rocking arms, mobile beam is fixedly connected with between described two swing arms, it is characterized in that described mobile beam being symmetrically set with two rocking arm support plates, by the rocking arm described in hinged one of hinging pin shaft between the swing arm of each rocking arm support plate and this rocking arm vicinity.
2. working device of loader according to claim 1, it is characterized in that being welded with ring stiffener inside described swing arm, the bore area of described reinforcing rib matches with described hinging pin shaft.
3. working device of loader according to claim 1 and 2, is characterized in that one end of described hinging pin shaft is fixedly connected with swing arm, and the other end is fixedly connected with support plate through the hinge hole of described rocking arm.
4. working device of loader according to claim 3, it is characterized in that the outside of described swing arm is welded with round lug, described round lug establishes threaded interior hole, the link that described hinging pin shaft is fixedly connected with described swing arm sets position otic placode, and described location otic placode to coordinate with the threaded interior hole of described round lug through bolt and is fixedly connected with described round lug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510580709.8A CN105201029A (en) | 2015-09-14 | 2015-09-14 | Loader working device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510580709.8A CN105201029A (en) | 2015-09-14 | 2015-09-14 | Loader working device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105201029A true CN105201029A (en) | 2015-12-30 |
Family
ID=54948962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510580709.8A Pending CN105201029A (en) | 2015-09-14 | 2015-09-14 | Loader working device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105201029A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105887952A (en) * | 2016-01-29 | 2016-08-24 | 黄社兰 | Loader front frame riser |
| CN106836327A (en) * | 2017-03-02 | 2017-06-13 | 徐工集团工程机械有限公司 | Otic placode structure and loading machine |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050047898A1 (en) * | 2003-08-26 | 2005-03-03 | Deere & Company, A Delaware Corporation | Linkage support system for a work vehicle |
| CN102373721A (en) * | 2011-11-10 | 2012-03-14 | 山东临工工程机械有限公司 | Marble supporting fork |
| CN202390865U (en) * | 2011-11-10 | 2012-08-22 | 山东临工工程机械有限公司 | Marble support fork |
| CN202492867U (en) * | 2011-12-28 | 2012-10-17 | 山东临工工程机械有限公司 | Marble holding fork for forward 8-bar linkage mechanism |
| CN203113395U (en) * | 2013-01-29 | 2013-08-07 | 龙工(上海)机械制造有限公司 | Loader swing arm hinge pin locking device |
| CN104846862A (en) * | 2015-05-08 | 2015-08-19 | 福建晋工机械有限公司 | Wheel type fork loader |
| CN204608851U (en) * | 2015-05-08 | 2015-09-02 | 福建晋工机械有限公司 | A kind of wheeled fork installation |
-
2015
- 2015-09-14 CN CN201510580709.8A patent/CN105201029A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050047898A1 (en) * | 2003-08-26 | 2005-03-03 | Deere & Company, A Delaware Corporation | Linkage support system for a work vehicle |
| CN102373721A (en) * | 2011-11-10 | 2012-03-14 | 山东临工工程机械有限公司 | Marble supporting fork |
| CN202390865U (en) * | 2011-11-10 | 2012-08-22 | 山东临工工程机械有限公司 | Marble support fork |
| CN202492867U (en) * | 2011-12-28 | 2012-10-17 | 山东临工工程机械有限公司 | Marble holding fork for forward 8-bar linkage mechanism |
| CN203113395U (en) * | 2013-01-29 | 2013-08-07 | 龙工(上海)机械制造有限公司 | Loader swing arm hinge pin locking device |
| CN104846862A (en) * | 2015-05-08 | 2015-08-19 | 福建晋工机械有限公司 | Wheel type fork loader |
| CN204608851U (en) * | 2015-05-08 | 2015-09-02 | 福建晋工机械有限公司 | A kind of wheeled fork installation |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105887952A (en) * | 2016-01-29 | 2016-08-24 | 黄社兰 | Loader front frame riser |
| CN106836327A (en) * | 2017-03-02 | 2017-06-13 | 徐工集团工程机械有限公司 | Otic placode structure and loading machine |
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| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151230 |