CN202704899U - Amplitude-variation connection rod mechanism of lorry-mounted crane - Google Patents
Amplitude-variation connection rod mechanism of lorry-mounted crane Download PDFInfo
- Publication number
- CN202704899U CN202704899U CN 201220284043 CN201220284043U CN202704899U CN 202704899 U CN202704899 U CN 202704899U CN 201220284043 CN201220284043 CN 201220284043 CN 201220284043 U CN201220284043 U CN 201220284043U CN 202704899 U CN202704899 U CN 202704899U
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- CN
- China
- Prior art keywords
- connecting rod
- lorry
- connection rod
- mounted crane
- basic arm
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model discloses an amplitude-variation connection rod mechanism of a lorry-mounted crane. The amplitude-variation connection rod mechanism of the lorry-mounted crane comprises a first amplitude-variation oil cylinder arranged on a stand column, wherein the upper portion of the stand column is connected with a basic arm, the stand column is provided with a first long connection rod through a pin shaft, the basic arm is connected with a first short connection rod through a pin shaft, and the first long connection rod, the first short connection rod and a piston rod of the amplitude-variation oil cylinder are connected through pin shafts. The basic arm is further connected with a second amplitude-variation oil cylinder, the basic arm is provided with a second long connection rod through a pin shaft, a transition arm connected with the basic arm is provided with a second short connection rod through a pin shaft, and the second long connection rod, the second short connection rod and a piston rod of the second amplitude-variation oil cylinder are connected through pin shafts. The amplitude-variation connection rod mechanism is applied to the crane, improves the hoisting capacity of the lorry-mounted crane, increases the hoisting angle of a hoisting arm of the lorry-mounted crane, and effectively widens the application range of the lorry-mounted crane.
Description
Technical field
The utility model relates to a kind of lorry-mounted crane, specifically a kind of luffing connecting rod mechanism of collapsible lorry-mounted crane.
Background technology
Along with the development of car hosit, lorry-mounted crane, the application of hoisting crane is more and more extensive, especially in places such as goods stations.Every profession and trade is more and more higher to the functional requirement of hoisting crane, particularly the lorry-mounted crane that has lifting and transportation function concurrently is had higher requirement.
The equipment such as freight container that current various shelter, port and pier use are generally carried by lorry-mounted crane.The crane arm of lorry-mounted crane is mainly two kinds of telescopic boom and foldable arms.The amplitude oil cylinder of the lorry-mounted crane of existing foldable arm is connected with basic arm with the column of lorry-mounted crane usually, in lifting, variation owing to Moment Point when basic arm surpasses level angle causes its crane capacity to descend rapidly, while is for fear of the restriction of the crane capacity of lorry-mounted crane, the basic arm that the allows angle that hoists also is restricted, the angle that hoists is difficult near 90 degree or reaches 90 degree, and range of use is limited to.
Summary of the invention
The technical problems to be solved in the utility model provides a kind of luffing connecting rod mechanism of lorry-mounted crane, Effective Raise the angle that hoists of crane arm, expanded field of application.
In order to solve the problems of the technologies described above, the utility model is taked following technical scheme:
A kind of luffing connecting rod mechanism of lorry-mounted crane, comprise an amplitude oil cylinder that is contained on the column, the attaching of column top has basic arm, be equiped with long connecting rod No. one by bearing pin on the described column, be equiped with short connecting rod No. one by bearing pin on the basic arm, the piston rod of long connecting rod, short connecting rod and the number of an amplitude oil cylinder connects by bearing pin.
Also be equiped with amplitude oil cylinder on the described basic arm No. two, be equiped with long connecting rod No. two by bearing pin on the basic arm, with the transition arm of basic arm attaching on be equiped with short connecting rod No. two by bearing pin, the piston rod of No. two long connecting rods, No. two short connecting rods and the number of being connected amplitude oil cylinder connects by bearing pin.
A described long connecting rod has two, and these two long connecting rods are symmetricly set on the column two sides; No. one short connecting rod has two, and these two short connecting rods are symmetricly set on the basic arm two sides.
Described No. two long connecting rods have two, and these two No. two long connecting rods are symmetricly set on the basic arm two sides; No. two short connecting rod has two, and these two No. two short connecting rods are symmetricly set on the transition arm two sides.
All be set with plain bearing on described each bearing pin.
Described each bearing pin one end all is equiped with end cap, prevents that bearing pin from getting loose.
The utility model is applied on the hoisting crane, has improved the lift heavy ability with the car weight machine, has increased the angle that hoists of the crane arm of lorry-mounted crane, has effectively expanded the field of application of lorry-mounted crane.
Description of drawings
Accompanying drawing 1 is the utility model master TV structure schematic diagram;
Accompanying drawing 2 is the plan structure schematic diagram of accompanying drawing 1.
The specific embodiment
For the ease of those skilled in the art's understanding, the utility model will be further described below in conjunction with accompanying drawing.
Shown in accompanying drawing 1,2, a kind of luffing connecting rod mechanism of lorry-mounted crane, comprise an amplitude oil cylinder 21 that is contained on the column 1, column 1 top attaching has basic arm 3, be equiped with long connecting rod 41 No. one by pin 6 axles on the described column 1, the piston rod that is equiped with 51, numbers long connecting rods 41 of a short connecting rod, short connecting rod 51 and the number of an amplitude oil cylinder 21 by bearing pin 6 on the basic arm 3 connects by bearing pin 6.The i.e. piston rod attaching of long connecting rod 41 1 end and column 1 attaching, the other end and an amplitude oil cylinder 21; The piston rod attaching of short connecting rod 51 1 end and basic arm 3 attachings, the other end and an amplitude oil cylinder 21, the piston rod of an end of a long connecting rod 41, an end of a short connecting rod 51 and an amplitude oil cylinder 21 is connected by bearing pin 6.Wherein a long connecting rod 41 has two, is symmetricly set on respectively the two sides of column; No. one short connecting rod 51 has two equally, is symmetricly set on respectively the two sides of basic arm 3.All bearing pins 6 all can movablely rotate.
On basic arm 3, also be equiped with amplitude oil cylinder 22 No. two, be equiped with long connecting rod 42 No. two by bearing pin 6 on the basic arm 3, with the transition arm 7 of basic arm 3 attachings on be equiped with 52, No. two long connecting rods 42 of No. two short connecting rods, No. two short connecting rods 52 and the number of being connected amplitude oil cylinder 22 by bearing pin 6 piston rod connect by bearing pin.The i.e. piston rod attaching of No. two long connecting rod 42 1 ends and basic arm 3 attachings, the other end and No. two amplitude oil cylinder 22; The piston rod attaching of No. two short connecting rod 52 1 ends and transition arm 7 attachings, the other end and No. two amplitude oil cylinder 22, the piston rod of an end of No. two long connecting rods 42, an end of No. two short connecting rods 52 and No. two amplitude oil cylinder 22 is connected.Wherein No. two long connecting rods 42 have two, are symmetricly set on respectively the two sides of basic arm; No. two short connecting rod 52 has two, is symmetricly set on respectively the two sides of transition arm.All bearing pins all can movablely rotate.
In addition, on all bearing pins 6 that are used for a long connecting rod 41 of connection, a short connecting rod 51, No. two long connecting rods 42 and No. two short connecting rods 52, all be set with plain bearing, guarantee the smooth and easy rotation of bearing pin, each bearing pin one end also all is equipped with end cap, prevents the bearing pin cause danger that gets loose.
When concrete running, an amplitude oil cylinder moving 21 is made to drive its piston rod and is moved, piston rod acts on long connecting rod 41 and the short connecting rod 51, drive a long connecting rod 41 and a short connecting rod 51 and do regular motion, No. one short connecting rod 51 is used for basic arm 3 with masterpiece, thereby make basic arm 3 realize that luffings move, the angle that hoists of basic arm can be near 90 degree, even reach 90 degree.In like manner, No. two amplitude oil cylinder 22 actions drive its piston rod and move, piston rod acts on No. two long connecting rods 42 and No. two short connecting rods 52, drive No. two long connecting rods 42 and No. two short connecting rods 52 and do regular motion, No. two short connecting rod 52 is used for transition arm 7 with masterpiece, thereby make transition arm 7 realize that luffings move, the angle that hoists of transition arm 7 can be near 90 degree, even reach 90 degree.Greatly improved the angle that hoists.
Claims (6)
1. the luffing connecting rod mechanism of a lorry-mounted crane, comprise an amplitude oil cylinder (21) that is contained on the column (1), the attaching of column top has basic arm (3), it is characterized in that: be equiped with a long connecting rod (41) by bearing pin (6) on the described column, be equiped with a short connecting rod (51) by bearing pin on the basic arm, the piston rod of long connecting rod, short connecting rod and the number of an amplitude oil cylinder connects by bearing pin.
2. the luffing connecting rod mechanism of lorry-mounted crane according to claim 1, it is characterized in that: also be equiped with No. two amplitude oil cylinder (22) on the described basic arm, be equiped with No. two long connecting rods (42) by bearing pin on the basic arm, with the transition arm of basic arm attaching on be equiped with No. two short connecting rods (52) by bearing pin, the piston rod of No. two long connecting rods, No. two short connecting rods and the number of being connected amplitude oil cylinder connects by bearing pin.
3. the luffing connecting rod mechanism of lorry-mounted crane according to claim 1, it is characterized in that: a described long connecting rod has two, and these two long connecting rods are symmetricly set on the column two sides; No. one short connecting rod has two, and these two short connecting rods are symmetricly set on the basic arm two sides.
4. the luffing connecting rod mechanism of lorry-mounted crane according to claim 2, it is characterized in that: described No. two long connecting rods have two, and these two No. two long connecting rods are symmetricly set on the basic arm two sides; No. two short connecting rod has two, and these two No. two short connecting rods are symmetricly set on the transition arm two sides.
5. the luffing connecting rod mechanism of lorry-mounted crane according to claim 1 and 2 is characterized in that: all be set with plain bearing on the described bearing pin.
6. according to the luffing connecting rod mechanism of right 5 described lorry-mounted cranes, it is characterized in that: described bearing pin one end all is equiped with end cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220284043 CN202704899U (en) | 2012-06-18 | 2012-06-18 | Amplitude-variation connection rod mechanism of lorry-mounted crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220284043 CN202704899U (en) | 2012-06-18 | 2012-06-18 | Amplitude-variation connection rod mechanism of lorry-mounted crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202704899U true CN202704899U (en) | 2013-01-30 |
Family
ID=47585223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220284043 Expired - Lifetime CN202704899U (en) | 2012-06-18 | 2012-06-18 | Amplitude-variation connection rod mechanism of lorry-mounted crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202704899U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104150372A (en) * | 2014-07-22 | 2014-11-19 | 广西梧州运龙港船机械制造有限公司 | Hydraulic foldable arm telescopic crane for ships |
| CN104843591A (en) * | 2015-05-13 | 2015-08-19 | 广西梧州运龙港船机械制造有限公司 | Marine knuckle boom crane |
| CN106957033A (en) * | 2017-05-10 | 2017-07-18 | 湖北江威专用汽车有限公司 | Fork truck fly jib is hung and fork truck |
-
2012
- 2012-06-18 CN CN 201220284043 patent/CN202704899U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104150372A (en) * | 2014-07-22 | 2014-11-19 | 广西梧州运龙港船机械制造有限公司 | Hydraulic foldable arm telescopic crane for ships |
| CN104843591A (en) * | 2015-05-13 | 2015-08-19 | 广西梧州运龙港船机械制造有限公司 | Marine knuckle boom crane |
| CN106957033A (en) * | 2017-05-10 | 2017-07-18 | 湖北江威专用汽车有限公司 | Fork truck fly jib is hung and fork truck |
| CN106957033B (en) * | 2017-05-10 | 2023-03-21 | 湖北江威智能汽车股份有限公司 | Fork truck fly jib crane and fork truck |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130130 |