CN202465133U - Boom telescoping mechanism with internal pull cables and internal pipeline - Google Patents
Boom telescoping mechanism with internal pull cables and internal pipeline Download PDFInfo
- Publication number
- CN202465133U CN202465133U CN2012200430472U CN201220043047U CN202465133U CN 202465133 U CN202465133 U CN 202465133U CN 2012200430472 U CN2012200430472 U CN 2012200430472U CN 201220043047 U CN201220043047 U CN 201220043047U CN 202465133 U CN202465133 U CN 202465133U
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- fixed
- boom
- arm
- telescopic
- telescopic boom
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Abstract
A boom telescoping mechanism with an internal pull cables and an internal pipeline belongs to a boom telescoping mechanism for construction machinery. The cylinder rod of a telescopic cylinder of the boom telescoping mechanism is fixed on the tail of a basic boom, and the cylinder barrel of the telescopic cylinder is fixed on the tail of a first telescopic boom; one end of the extension pull cable is fixed on the head of the basic boom, the other end of the extension pull cable rounds an extension pulley block and is fixed on the tail of a second telescopic boom, and the extension pulley block is fixed on the head of the first telescopic boom; one end of the retraction pull cable is fixed on the head of the basic boom, the other end of the retraction pull cable rounds a retraction pulley block and is fixed on the tail of the second telescopic boom, and the retraction pulley block is fixed on the tail of the first telescopic boom; one end of a hydraulic oil hose is fixed on the head of the basic boom, and the other end of the hydraulic oil hose rounds the retraction pulley block and is fixed on the head of the second telescopic boom; a support bracket is fixed on the front part of the cylinder barrel of the telescopic cylinder, and the hydraulic oil hose is connected with the support bracket. The boom telescoping mechanism has the advantage that when in use, the boom telescoping mechanism with the internal pull cables and the internal pipeline also improves the appearance of a crane under the premise of guaranteeing the reliable operation of the telescopic booms.
Description
Technical field
The utility model relates to a kind of hoisting arm expansion mechanism of construction machinery and equipment, particularly a kind of drag-line and the built-in hoisting arm expansion of pipeline mechanism.
Background technology
Lorry-mounted crane is a kind of weight-lifting equipment that is installed on the common goods carrying vehicle, can either realize the hoisting operation of hoisting crane, does not influence the loading transportation of car chassis again.The application of lorry-mounted crane is very extensive, and it all has crucial effect to reducing labor intensity, save manpower, reducing the construction costs, improve construction quality and accelerating aspects such as engineering construction speed.The amelioration product that lorry-mounted crane has added additional device also is widely used in fields such as gardens, railway, shipping, fire-fighting, army, non-excavation operation and emergency dealing.
The forestry hoisting crane is exactly a kind of amelioration product of lorry-mounted crane, hoist mechanism is installed in collection, the transhipment that can be widely used in forestry timber on heavy-duty tractor or the goods carrying vehicle.General lorry-mounted crane telescopic boom arm head does not have actuating unit, and the forestry hoisting crane is equipped with gripping apparatus at the telescopic boom arm head, and two above actuating units are arranged, and just needs to install a plurality of hydraulic tubings like this on the telescopic boom.When the telescopic boom number has two when above, increase the retractor device of telescopic boom again, if pipeline and retractor device are arranged in the telescopic boom outside like this, will very not attractive in appearance, and easy impaired.
The utility model content
The purpose of the utility model is that a kind of drag-line and the built-in hoisting arm expansion of pipeline mechanism will be provided, and solves the Layout Problem of two joint telescopic boom forestry crane arm pipelines and retractor device.
The purpose of the utility model is achieved in that this drag-line and the built-in hoisting arm expansion of pipeline mechanism comprise: basic arm, first telescopic boom, second telescopic boom, telescopic oil cylinder, bracing frame, hydraulic oil flexible pipe, stretch out assembly pulley, stretch out drag-line, reclaim drag-line and reclaim assembly pulley; The cylinder bar of telescopic oil cylinder is fixed in the basic arm afterbody, and the cylinder barrel of telescopic oil cylinder is fixed in the afterbody of first telescopic boom; An end that stretches out drag-line is fixed in the basic arm arm head, and the other end is walked around and stretched out assembly pulley and be fixed in the second telescopic boom arm tail, stretches out the arm head that assembly pulley is fixed in first telescopic boom; Reclaim the arm head that drag-line one end is fixed in basic arm, the other end is walked around the recovery assembly pulley and is fixed in the second telescopic boom arm tail, reclaims the arm tail that assembly pulley is fixed in first telescopic boom; Hydraulic oil flexible pipe one end is fixed in the arm head of basic arm, and the other end is walked around the recovery assembly pulley and is fixed in the second telescopic boom arm head; Bracing frame is fixed on the cylinder barrel front portion of telescopic oil cylinder, and the hydraulic oil flexible pipe is connected on the bracing frame.
Beneficial effect, owing to adopted such scheme, the cylinder bar of telescopic oil cylinder is fixed in the basic arm afterbody, and cylinder barrel is fixed in the afterbody of first telescopic boom, and it is flexible in basic arm to drive first telescopic boom.Stretch out drag-line one end and be fixed in the basic arm arm head, an end is fixed in the second telescopic boom arm tail, and the assembly pulley that stretches out that is fixed in the first telescopic boom arm head is walked around in the centre, when first telescopic boom stretches out, will drive second telescopic boom and stretch out.Reclaim the arm head that drag-line one end is fixed in basic arm, an end is fixed in the second telescopic boom arm tail, and the recovery assembly pulley that is fixed in the first telescopic boom arm tail is walked around in the centre, when first telescopic boom bounces back, will drive second telescopic boom retraction.Hydraulic oil flexible pipe one end is fixed in the arm head of basic arm, and an end is fixed in the second telescopic boom arm head, and the recovery assembly pulley that is fixed in the first telescopic boom arm tail is walked around in the centre, will stretch along with the flexible of telescopic boom.Bracing frame is fixed on the cylinder barrel front portion of telescopic oil cylinder, moves along with cylinder barrel, is supporting the hydraulic oil flexible pipe on it, can prevent that the hydraulic oil flexible pipe from sliding down on the recovery assembly pulley.There is not joint in the hydraulic oil flexible pipe in telescopic boom inside, does not promptly have the leakage of oil point, and the possibility of telescopic boom internal duct leakage of oil reduces.Solve the Layout Problem of two joint telescopic boom forestry crane arm pipelines and retractor device, reached the purpose of the utility model.
Advantage:, under the situation that guarantees the telescopic boom reliable operation, also improved the aesthetic property of hoisting crane through using the built-in hoisting arm expansion of this drag-line and pipeline mechanism.
Description of drawings
Fig. 1 is the constructional drawing of the utility model.
Fig. 2 is the plan structure figure of Fig. 1.
Among the figure, 1, basic arm; 2, first telescopic boom; 3, second telescopic boom; 4, telescopic oil cylinder; 5, bracing frame; 6, hydraulic oil flexible pipe; 7, stretch out assembly pulley; 8, stretch out drag-line; 9, reclaim drag-line; 10, reclaim assembly pulley.
The specific embodiment
Embodiment 1: the built-in hoisting arm expansion of this drag-line and pipeline mechanism comprises: basic arm 1, first telescopic boom 2, second telescopic boom 3, telescopic oil cylinder 4, bracing frame 5, hydraulic oil flexible pipe 6, stretch out assembly pulley 7, stretch out drag-line 8, reclaim drag-line 9 and reclaim assembly pulley 10; The cylinder bar of telescopic oil cylinder 4 is fixed in basic arm 1 afterbody, and the cylinder barrel of telescopic oil cylinder 4 is fixed in the afterbody of first telescopic boom 2; An end that stretches out drag-line 8 is fixed in basic arm 1 arm head, and the other end is walked around and stretched out assembly pulley 7 and be fixed in second telescopic boom, 3 arm tails, stretches out the arm head that assembly pulley 7 is fixed in first telescopic boom 2; Reclaim the arm head that drag-line 9 one ends are fixed in basic arm 1, the other end is walked around recovery assembly pulley 10 and is fixed in second telescopic boom, 3 arm tails, reclaims the arm tail that assembly pulley 10 is fixed in first telescopic boom 2; Hydraulic oil flexible pipe 6 one ends are fixed in the arm head of basic arm 1, and the other end is walked around recovery assembly pulley 10 and is fixed in second telescopic boom, 3 arm heads; Bracing frame 5 is fixed on the cylinder barrel front portion of telescopic oil cylinder 4, and hydraulic oil flexible pipe 6 is connected on the bracing frame 5.
Claims (1)
1. drag-line and the built-in hoisting arm expansion of pipeline mechanism, it is characterized in that: the built-in hoisting arm expansion of this drag-line and pipeline mechanism comprises: basic arm, first telescopic boom, second telescopic boom, telescopic oil cylinder, bracing frame, hydraulic oil flexible pipe, stretch out assembly pulley, stretch out drag-line, reclaim drag-line and reclaim assembly pulley; The cylinder bar of telescopic oil cylinder is fixed in the basic arm afterbody, and the cylinder barrel of telescopic oil cylinder is fixed in the afterbody of first telescopic boom; An end that stretches out drag-line is fixed in the basic arm arm head, and the other end is walked around and stretched out assembly pulley and be fixed in the second telescopic boom arm tail, stretches out the arm head that assembly pulley is fixed in first telescopic boom; Reclaim the arm head that drag-line one end is fixed in basic arm, the other end is walked around the recovery assembly pulley and is fixed in the second telescopic boom arm tail, reclaims the arm tail that assembly pulley is fixed in first telescopic boom; Hydraulic oil flexible pipe one end is fixed in the arm head of basic arm, and the other end is walked around the recovery assembly pulley and is fixed in the second telescopic boom arm head; Bracing frame is fixed on the cylinder barrel front portion of telescopic oil cylinder, and the hydraulic oil flexible pipe is connected on the bracing frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200430472U CN202465133U (en) | 2012-02-10 | 2012-02-10 | Boom telescoping mechanism with internal pull cables and internal pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200430472U CN202465133U (en) | 2012-02-10 | 2012-02-10 | Boom telescoping mechanism with internal pull cables and internal pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202465133U true CN202465133U (en) | 2012-10-03 |
Family
ID=46913313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200430472U Expired - Lifetime CN202465133U (en) | 2012-02-10 | 2012-02-10 | Boom telescoping mechanism with internal pull cables and internal pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202465133U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104743443A (en) * | 2014-07-26 | 2015-07-01 | 周红玉 | Telescopic boom |
| CN109368497A (en) * | 2018-12-21 | 2019-02-22 | 陈奕松 | A kind of connecton layout of telescopic arm of crane |
-
2012
- 2012-02-10 CN CN2012200430472U patent/CN202465133U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104743443A (en) * | 2014-07-26 | 2015-07-01 | 周红玉 | Telescopic boom |
| CN109368497A (en) * | 2018-12-21 | 2019-02-22 | 陈奕松 | A kind of connecton layout of telescopic arm of crane |
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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: 20121003 |