CN201825675U - System for single cylinder and three stay ropes to drive arm bodies of lorry-mounted crane to retract synchronously - Google Patents
System for single cylinder and three stay ropes to drive arm bodies of lorry-mounted crane to retract synchronously Download PDFInfo
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- CN201825675U CN201825675U CN2010205132273U CN201020513227U CN201825675U CN 201825675 U CN201825675 U CN 201825675U CN 2010205132273 U CN2010205132273 U CN 2010205132273U CN 201020513227 U CN201020513227 U CN 201020513227U CN 201825675 U CN201825675 U CN 201825675U
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Abstract
The utility model relates to a system for a single cylinder and three stay ropes to drive arm bodies of a lorry-mounted crane to rotate synchronously and belongs to the single-cylinder arm body synchronous retracting system. In the system, a basic arm is an outermost-layer arm, fourth-joint extending arms are innermost-layer arms, and are inserted sequentially, a large pulley is connected in a fifth-joint extending arm, a first small pulley is connected outside the fourth-joint extending arms, small pulleys are connected at the tail parts in the extending arms, the tail parts in the extending arms are connected with built-in retractable oil cylinders, rope rows are connected at the tail parts in the arms, a thin stay rope and a thick stay rope are connected outside the extending arm, large pulleys are arranged at the upper end in the extending arms, one ends in the fourth-joint extending arms are connected with a first semi-pulley, the other end in the fourth-joint extending arms are connected with a second semi-pulley, and the thin stay rope and the thick stay rope are wound between the pulleys. The system has the following advantages: the arm bodies can retract rapidly, the work efficiency is high, the lifting operation can be carried, the inner structure is simple, the lifting arm assembly has small self weight, the attenuation of the lifting amount is small, and the manufacturing cost is low.
Description
Technical field
The utility model relates to a kind of single cylinder arm body telescopic system, particularly a kind of lorry-mounted crane single cylinder band three parbuckle arm body synchronization telescope systems.
Background technology
At present, the general flexible scheme of lorry-mounted crane arm body has two kinds.First kind is that several external or built-in telescopic oil cylinders are positioned over arm external body or inside, promotes the telescopic boom body motion, and another kind is two built-in telescopic oil cylinders and rope row mechanism, drives arm body synchronization telescope.First kind is more suitable in folding arm-type lorry-mounted crane, because of the restriction of reasons such as installing space, arm body length and own wt is not suitable for large-tonnage three joint telescopic booms with the flexible straight arm type lorry-mounted crane of upper arm body.The back is a kind of, and arm arm body section size is big because of adopting two built-in telescopic oil cylinders, the inner structure complexity, and the boom assembly own wt is big, and the hoisting capacity decay is fast, and the cost height.Arm body stretching speed is slow simultaneously, and lorry-mounted crane hoisting operation efficient is low.
The utility model content
The purpose of this utility model is to provide a kind of: operating efficiency height, can be with the lorry-mounted crane single cylinder band three parbuckle arm body synchronization telescope systems of carrying the lift heavy operation.
The purpose of the utility model patent is achieved in that this arm body synchronization telescope system comprises: basic arm, the first segment semi-girder, the second joint semi-girder, the 3rd joint semi-girder, the 4th joint semi-girder, the first thin drag-line, the first rough rope, the second thin drag-line, the second rough rope, large pulley, first small sheave, the 3rd thin drag-line, the first half pulleys, rope row, built-in telescopic oil cylinder, second small sheave, the 3rd small sheave, the 4th small sheave and the second half pulleys, basic arm is the outermost layer arm, the 4th joint semi-girder is the innermost layer arm, basic arm, the first segment semi-girder, the second joint semi-girder, the 3rd joint semi-girder, the 4th joint semi-girder inserts in proper order, in the 5th joint semi-girder, be connected with large pulley, be externally connected with first small sheave at the 4th joint semi-girder, afterbody in the 3rd joint semi-girder, afterbody in the 4th joint semi-girder and the afterbody in the 5th semi-girder are connected with second small sheave respectively, the 3rd small sheave and the 4th small sheave, afterbody in the 3rd joint semi-girder is connected with built-in telescopic oil cylinder, afterbody in the second joint semi-girder is connected with rope row, upper end outside the first segment semi-girder is connected with the first thin drag-line, upper end outside the 3rd joint semi-girder is connected with the second rough rope, upper end in the 5th joint semi-girder has the first rough rope to walk around large pulley, upper end in the 5th joint semi-girder is connected with the 3rd thin drag-line, the pulley of the outer upper end of second thin guy cable rounds the 4th joint semi-girder, be connected with the first half pulleys at the end of the 4th joint in the semi-girder, be connected with the second half pulleys at the other end of the 4th joint in the semi-girder, thin drag-line and rough rope are wrapped between the pulley.
Described thin drag-line winding structure: the first thin drag-line one end screw rod is fixed on the basic arm, and after it walked around second small sheave that is fixed on the first segment semi-girder, other end screw rod was fixed in the second joint semi-girder arm tail; The second thin drag-line one end screw rod is fixed in the 3rd joint semi-girder arm head, it is through after being assemblied in the second joint semi-girder arm tail the 3rd small sheave, and then walk around the first half pulleys that are fixed on built-in telescopic oil cylinder, the cylinder head and turn back 180 °, it is once more through being assemblied in three small sheave of the second joint semi-girder arm tail at arm body opposite side then, thereby lay out, its other end screw rod is fixed in the 3rd joint semi-girder arm head opposite side; The 3rd thin drag-line one end screw rod is fixed in the 4th joint semi-girder arm head, and after it walked around the 4th small sheave that is fixed in the 3rd joint semi-girder arm tail, other end screw rod was fixed in the second joint semi-girder arm body side surface.
Described rough rope winding structure: the first rough rope long bolt is fixed in first segment semi-girder arm tail, and after it walked around the large pulley that is fixed in the second joint semi-girder arm head, other end joint was fixed in the 3rd joint semi-girder arm tail.The second rough rope one end screw rod is fixed in the second joint semi-girder arm head, it is through after being fixed in first small sheave on the 3rd joint semi-girder arm head, walk around the second half pulleys that are fixed on the 4th joint semi-girder arm tail again and turn back 180 °, it through being fixed in first small sheave on the 3rd joint semi-girder arm head, is fixed in the second joint semi-girder arm head again once more at last then.
Beneficial effect is owing to adopted such scheme, the whole synchronization telescope of arm body system to adopt a built-in telescopic oil cylinder and three parbuckles (comprising rope row) altogether.The movable pulley associated working principle that this arm body synchronization telescope system forms based on movable pulley, flexible element " steel rope " and built-in telescopic oil cylinder.
Lorry-mounted crane single cylinder band three parbuckle arm body synchronization telescope systems have changed the flexible operating feature that can only stretch in proper order of arm body in the past, make four to save telescopic booms stretching along with built-in telescopic oil cylinder, can guarantee four joint arm body synchronization telescopes, thereby improve arm body stretching speed greatly, improve lift heavy operating efficiency height.Be with the operation of certain load lift heavy when this design allows arm body synchronization telescope simultaneously, reached the purpose of utility model patent.
Advantage: arm body stretching speed is fast, the operating efficiency height, can be with and carry a lift heavy operation, and inner structure is simple, and the boom assembly own wt is little, and the hoisting capacity decay is little, low cost of manufacture.
Description of drawings
Fig. 1 is the constructional drawing of the utility model patent.
Fig. 2 is the amplification assumption diagram of the utility model patent semi-girder head.
Fig. 3 is the amplification assumption diagram of the utility model patent semi-girder afterbody.
Among the figure, 1, basic arm; 2, first segment semi-girder; 3, the second joint semi-girder; 4, the 3rd joint semi-girder; 5, the 4th joint semi-girder; 6, the first thin drag-line; 7, the first rough rope; 8, the second thin drag-line; 9, the second rough rope; 10, large pulley; 11, first small sheave; 12, the 3rd thin drag-line; 13, the first half pulleys; 14, rope row; 15, built-in telescopic oil cylinder; 16, second small sheave; 17, the 3rd small sheave; 18, the 4th small sheave; 19, the second half pulleys.
The specific embodiment
Embodiment 1: this arm body synchronization telescope system comprises: basic arm 1, first segment semi-girder 2, the second joint semi-girder 3, the 3rd joint semi-girder 4, the 4th joint semi-girder 5, the first thin drag-line 6, the first rough rope 7, the second thin drag-line 8, the second rough rope 9, large pulley 10, first small sheave 11, the 3rd thin drag-line 12, the first half pulleys 13, rope row 14, built-in telescopic oil cylinder 15, second small sheave 16, the 3rd small sheave 17, the 4th small sheave 18 and the second half pulleys 19, basic arm is the outermost layer arm, the 4th joint semi-girder is the innermost layer arm, basic arm 1, first segment semi-girder 2, the second joint semi-girder 3, the 3rd joint semi-girder 4, the 4th joint semi-girder 5 orders are inserted, in the 5th joint semi-girder, be connected with large pulley, stretch and be externally connected with first small sheave at the 4th joint, afterbody in the 3rd joint semi-girder, afterbody in the 4th joint semi-girder and the afterbody in the 5th semi-girder are connected with second small sheave respectively, the 3rd small sheave and the 4th small sheave, afterbody in the 3rd joint semi-girder is connected with built-in telescopic oil cylinder, afterbody in the second joint semi-girder is connected with rope row, upper end outside the first segment semi-girder is connected with the first thin drag-line, upper end outside the 3rd joint semi-girder is connected with the second rough rope, upper end in the 5th joint semi-girder has the first rough rope to walk around large pulley, upper end in the 5th joint semi-girder is connected with the 3rd thin drag-line, the pulley of the outer upper end of second thin guy cable rounds the 4th joint semi-girder, be connected with the first half pulleys at the end of the 4th joint in the semi-girder, be connected with the second half pulleys at the other end of the 4th joint in the semi-girder, thin drag-line and rough rope are wrapped between the pulley.
Described thin drag-line winding structure: the first thin drag-line 6 one end screw rods are fixed on the basic arm 1, and after it walked around second small sheave 15 that is fixed on the first segment semi-girder 2, other end screw rod was fixed in the second joint semi-girder, 3 arm tails; The second thin drag-line 8 one end screw rods are fixed in the 3rd joint semi-girder 4 arm heads, it is through after being assemblied in the second joint semi-girder, 3 arm tails the 3rd small sheave 16, and then walk around the first half pulleys 13 that are fixed on built-in telescopic oil cylinder 15, the cylinder head and turn back 180 °, it is once more through being assemblied in three small sheave 16 of the second joint semi-girder, 3 arm tails at arm body opposite side then, thereby lay out, its other end screw rod is fixed in the 3rd joint semi-girder 4 arm head opposite sides; The 3rd thin drag-line one end screw rod is fixed in the 4th joint semi-girder 5 arm heads, and after it walked around the 4th small sheave 18 that is fixed in the 3rd joint semi-girder 4 arm tails, other end screw rod was fixed in the second joint semi-girder, 3 arm body side surfaces.
Described rough rope winding structure: first rough rope 7 long bolts are fixed in first segment semi-girder 2 arm tails, and after it walked around the large pulley 10 that is fixed in the second joint semi-girder, 3 arm heads, other end joint was fixed in the 3rd joint semi-girder 4 arm tails.The second rough rope 9 one end screw rods are fixed in the second joint semi-girder, 3 arm heads, it is through after being fixed in first small sheave 11 on the 3rd joint semi-girder 3 arm heads, walk around the second half pulleys 19 that are fixed on the 4th joint semi-girder 5 arm tails again and turn back 180 °, it through being fixed in first small sheave 11 on the 3rd joint semi-girder 3 arm heads, is fixed in the second joint semi-girder, 3 arm heads again once more at last then.
The whole synchronization telescope of arm body system is based upon on built-in telescopic oil cylinder, rope row and the drag-line three.
Stretch: built-in telescopic oil cylinder 15 piston rod heads are fixed on the basic arm 1, cylinder barrel is fixed in first segment semi-girder 2 afterbody (see figure 3)s, when the 15 big chamber oil-feeds of built-in telescopic oil cylinder, cylinder barrel drives the first segment semi-girder and stretches out (see figure 3), at this moment built-in telescopic oil cylinder cylinder head support promotes rope row 14, thereby driving the second joint semi-girder 3 stretches out, the large pulley 10 that is fixed in the second joint semi-girder arm head both sides this moment drives first rough rope 7 (see figure 2)s, the first rough rope 7 one end screw rods are fixed in basic arm 1 afterbody, the other end is fixed in the 3rd joint semi-girder 4 afterbody (see figure 3)s, therefore the 3rd joint semi-girder stretches out, because first small sheave 11 is fixed on the 3rd joint semi-girder arm head, along with the 3rd joint semi-girder stretches out, second steel rope is extracted the 4th joint semi-girder 5.
Arm motion: when built-in telescopic oil cylinder 15 loculus oil-feeds, cylinder barrel drives the first segment semi-girder and reclaims (see figure 3), at this moment be fixed in the moving first thin drag-line of the second small sheave holder on the first segment semi-girder 2 arm tails, and the first thin drag-line is fixed in the second joint semi-girder, 3 arm tails, reclaims thereby drop the second joint semi-girder 3.The second thin drag-line 8 is fixed in the 3rd joint semi-girder 4 arm head tops, and it walks around the 3rd small sheave 17 that is fixed in the second joint semi-girder, 3 arm tails, when the second joint semi-girder 3 reclaims, drags the second thin drag-line 8, thereby drops the 3rd joint semi-girder 4.It is the same with the 3rd joint semi-girder that the 4th joint semi-girder reclaims principle.The 3rd thin drag-line 12 is fixed in the 4th joint semi-girder arm head, it walks around the 3rd joint semi-girder 4 arms the 4th small sheave 18, and the other end is fixed in the second joint semi-girder, 3 arm body both sides, when the 3rd joint semi-girder reclaims, will inevitably drive the 3rd thin drag-line 12, reclaim thereby drop the 4th joint semi-girder.
Claims (3)
1. lorry-mounted crane single cylinder band three parbuckle arm body synchronization telescope systems, it is characterized in that: this arm body synchronization telescope system comprises: basic arm, the first segment semi-girder, the second joint semi-girder, the 3rd joint semi-girder, the 4th joint semi-girder, the first thin drag-line, the first rough rope, the second thin drag-line, the second rough rope, large pulley, first small sheave, the 3rd thin drag-line, the first half pulleys, rope row, built-in telescopic oil cylinder, second small sheave, the 3rd small sheave, the 4th small sheave and the second half pulleys, basic arm is the outermost layer arm, the 4th joint semi-girder is the innermost layer arm, basic arm, the first segment semi-girder, the second joint semi-girder, the 3rd joint semi-girder, the 4th joint semi-girder inserts in proper order, in the 5th joint semi-girder, be connected with large pulley, be externally connected with first small sheave at the 4th joint semi-girder, afterbody in the 3rd joint semi-girder, afterbody in the 4th joint semi-girder and the afterbody in the 5th semi-girder are connected with second small sheave respectively, the 3rd small sheave and the 4th small sheave, afterbody in the 3rd joint semi-girder is connected with built-in telescopic oil cylinder, afterbody in the second joint semi-girder is connected with rope row, upper end outside the first segment semi-girder is connected with the first thin drag-line, upper end outside the 3rd joint semi-girder is connected with the second rough rope, upper end in the 5th joint semi-girder has the first rough rope to walk around large pulley, upper end in the 5th joint semi-girder is connected with the 3rd thin drag-line, the pulley of the outer upper end of second thin guy cable rounds the 4th joint semi-girder, be connected with the first half pulleys at the end of the 4th joint in the semi-girder, be connected with the second half pulleys at the other end of the 4th joint in the semi-girder, thin drag-line and rough rope are wrapped between the pulley.
2. lorry-mounted crane single cylinder band according to claim 1 three parbuckle arm body synchronization telescope systems, it is characterized in that: described thin drag-line winding structure: the first thin drag-line one end screw rod is fixed on the basic arm, after it walked around second small sheave that is fixed on the first segment semi-girder, other end screw rod was fixed in the second joint semi-girder arm tail; The second thin drag-line one end screw rod is fixed in the 3rd joint semi-girder arm head, it is through after being assemblied in the second joint semi-girder arm tail the 3rd small sheave, and then walk around the first half pulleys that are fixed on built-in telescopic oil cylinder, the cylinder head and turn back 180 °, it is once more through being assemblied in three small sheave of the second joint semi-girder arm tail at arm body opposite side then, thereby lay out, its other end screw rod is fixed in the 3rd joint semi-girder arm head opposite side; The 3rd thin drag-line one end screw rod is fixed in the 4th joint semi-girder arm head, and after it walked around the 4th small sheave that is fixed in the 3rd joint semi-girder arm tail, other end screw rod was fixed in the second joint semi-girder arm body side surface.
3. lorry-mounted crane single cylinder band according to claim 1 three parbuckle arm body synchronization telescope systems, it is characterized in that: described rough rope winding structure: the first rough rope long bolt is fixed in first segment semi-girder arm tail, after it walks around the large pulley that is fixed in the second joint semi-girder arm head, other end joint is fixed in the 3rd joint semi-girder arm tail, the second rough rope one end screw rod is fixed in the second joint semi-girder arm head, it is through after being fixed in first small sheave on the 3rd joint semi-girder arm head, walk around the second half pulleys that are fixed on the 4th joint semi-girder arm tail again and turn back 180 °, it through being fixed in first small sheave on the 3rd joint semi-girder arm head, is fixed in the second joint semi-girder arm head again once more at last then.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205132273U CN201825675U (en) | 2010-08-26 | 2010-08-26 | System for single cylinder and three stay ropes to drive arm bodies of lorry-mounted crane to retract synchronously |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205132273U CN201825675U (en) | 2010-08-26 | 2010-08-26 | System for single cylinder and three stay ropes to drive arm bodies of lorry-mounted crane to retract synchronously |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201825675U true CN201825675U (en) | 2011-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205132273U Expired - Lifetime CN201825675U (en) | 2010-08-26 | 2010-08-26 | System for single cylinder and three stay ropes to drive arm bodies of lorry-mounted crane to retract synchronously |
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| Country | Link |
|---|---|
| CN (1) | CN201825675U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110127541A (en) * | 2018-12-27 | 2019-08-16 | 徐州徐工随车起重机有限公司 | A kind of flexible arm component for arranging floating slider and the telescopic arm using the component |
| CN116002543A (en) * | 2022-12-20 | 2023-04-25 | 徐州徐工随车起重机有限公司 | Single-cylinder synchronous telescoping device and crane |
-
2010
- 2010-08-26 CN CN2010205132273U patent/CN201825675U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110127541A (en) * | 2018-12-27 | 2019-08-16 | 徐州徐工随车起重机有限公司 | A kind of flexible arm component for arranging floating slider and the telescopic arm using the component |
| CN116002543A (en) * | 2022-12-20 | 2023-04-25 | 徐州徐工随车起重机有限公司 | Single-cylinder synchronous telescoping device and crane |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110511 |
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| CX01 | Expiry of patent term |