CN216272995U - Pipeline conveying device in aerial work vehicle arm - Google Patents
Pipeline conveying device in aerial work vehicle arm Download PDFInfo
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- CN216272995U CN216272995U CN202122911983.2U CN202122911983U CN216272995U CN 216272995 U CN216272995 U CN 216272995U CN 202122911983 U CN202122911983 U CN 202122911983U CN 216272995 U CN216272995 U CN 216272995U
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- Prior art keywords
- arm
- chain
- rear end
- pipeline
- drag chain
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- 238000010276 construction Methods 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 7
- 238000005452 bending Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
An aerial work vehicle arm inner pipeline conveying device is characterized in that a second-level arm is sleeved in an inner hole of a first-level arm, a third-level arm is sleeved in an inner hole of the second-level arm, and an oil cylinder is connected between the rear end of the first-level arm and the front end of the second-level arm; a return link chain and a discharge link chain are arranged, the return link chain is hung between the front end of the primary arm and the rear end of the tertiary arm and is supported by a steering wheel arranged at the rear end of the secondary arm; the rod-out chain is hung between the rear end of the primary arm and the rear end of the tertiary arm and is supported by a steering wheel arranged at the front end of the secondary arm; in addition, the pipeline drag chain is arranged, the head end of the pipeline drag chain is fixedly connected with the rear end of the first-stage arm through a bolt, the pipeline drag chain is supported on a steering wheel at the front end of the third-stage arm and is folded backwards, and the tail end of the pipeline drag chain is fixedly connected with the rear end of the third-stage arm. The utility model supports and protects the pipeline in the aerial work vehicle arm through the pipeline drag chain, prolongs the service life, has stable movement, flexible transmission, easy disassembly and assembly and easy maintenance.
Description
Technical Field
The utility model relates to the technical field of an aerial work jib, in particular to an inner pipeline conveying device of the aerial work jib.
Background
The high-altitude operation equipment generally changes the length through the extension and retraction of a telescopic arm so as to achieve the purpose of high-altitude operation, and in recent years, high-altitude operation vehicles with large-height telescopic arms are widely used. The pipeline inside the telescopic arm of the multiple sections of the overhead working truck is easy to rub the inner wall of the telescopic arm in the telescopic arm telescopic process, is easy to damage and influences normal use, and even can generate some safety problems, and is troublesome to disassemble and assemble during maintenance, time-consuming and labor-consuming.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides a pipeline conveying device in an aerial work jib, which solves the problem that the pipeline in the aerial work jib is easy to damage.
In order to achieve the purpose, the utility model is realized by the following technical scheme: the aerial work vehicle arm inner pipeline conveying device comprises a telescopic arm consisting of a primary arm, a secondary arm and a tertiary arm, wherein the secondary arm is sleeved in an inner hole of the primary arm, the tertiary arm is sleeved in an inner hole of the secondary arm, and an oil cylinder is connected between the rear end of the primary arm and the front end of the secondary arm; a return link chain and a discharge link chain are arranged, the return link chain is hung between the front end of the primary arm and the rear end of the tertiary arm and is supported by a steering wheel arranged at the rear end of the secondary arm; the rod-out chain is hung between the rear end of the primary arm and the rear end of the tertiary arm and is supported by a steering wheel arranged at the front end of the secondary arm; in addition, a pipeline drag chain is arranged, one end of the pipeline drag chain is fixed on the first-stage arm, and the other end of the pipeline drag chain is fixed on the third-stage arm.
The head end of the pipeline drag chain is fixedly connected with the rear end of the first-stage arm through a bolt, the pipeline drag chain is supported on a steering wheel at the front end of the third-stage arm and is folded backwards, and the tail end of the pipeline drag chain is fixedly connected with the rear end of the third-stage arm.
The pipeline drag chain is a flexible chain formed by sequentially hinging a plurality of chain links with rectangular cross sections.
The return rod chain and the outlet rod chain are double-row or multi-row traction chains.
The oil cylinder is arranged on the outer side surface of the primary arm.
The pipeline in the arm of the aerial work vehicle is supported by the pipeline drag chain, the oil cylinder drives the three-stage arm to synchronously stretch and retract during reciprocating motion, the pipeline drag chain also moves back and forth along with the three-stage arm, no relative motion exists between the cables, the hydraulic oil pipe and other pipelines, no mechanical abrasion exists, no bending and torsional deformation can be generated within a given bending radius range, and the service life of the pipeline is prolonged under the protection of the pipeline drag chain; the motion is steady, the transmission is flexible, the work is safe and reliable, the disassembly and the assembly are easy, and the maintenance is easy.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged rear portion of the present invention;
FIG. 3 is an enlarged fragmentary view of the front portion of the present invention;
FIG. 4 is a drive schematic of the present invention;
fig. 5 is a schematic diagram of a pipeline drag chain.
In the figure: 1-pipeline drag chain; 2-return link chain; 3-a bar-out chain; 4-oil cylinder; 5-a primary arm; 6-secondary arm; 7-tertiary arm.
Detailed Description
Referring to fig. 1-5, the utility model comprises a telescopic arm consisting of a primary arm 5, a secondary arm 6 and a tertiary arm 7, wherein the secondary arm 6 is sleeved in an inner hole of the primary arm 5, the tertiary arm 7 is sleeved in an inner hole of the secondary arm 6, an oil cylinder 4 is connected between the rear end of the primary arm 5 and the front end of the secondary arm 6, and the oil cylinder 4 is positioned on the outer side surface of the primary arm 5; the return link chain 2 and the outlet link chain 3 are double-row or multi-row traction chains, and the return link chain 2 is hung between the front end of the primary arm 5 and the rear end of the tertiary arm 7 and is supported by a steering wheel arranged at the rear end of the secondary arm 6; the rod-out chain 3 is hung between the rear end of the primary arm 5 and the rear end of the tertiary arm 7 and is supported by a steering wheel arranged at the front end of the secondary arm 6; in addition, the pipeline drag chain 1 is arranged, the pipeline drag chain 1 is a flexible chain formed by sequentially hinging a plurality of chain links with rectangular cross sections, the bending radius of the pipeline drag chain 1 is slightly smaller than the radius of a steering wheel supporting the pipeline drag chain 1, the head end of the pipeline drag chain 1 is fixedly connected with the rear end of the first-stage arm 5 through a bolt, the pipeline drag chain 1 is supported on the steering wheel at the front end of the third-stage arm 7 and is folded backwards, and the tail end of the pipeline drag chain 1 is fixedly connected with the rear end of the third-stage arm 7. The pipeline in the arm of the aerial work vehicle is supported by the pipeline drag chain 1, the oil cylinder 4 drives the three-stage arm 7 to synchronously stretch and retract during reciprocating motion, the pipeline drag chain 1 also follows the three-stage arm to do reciprocating motion, no relative motion exists between the cable and the hydraulic oil pipe and other pipelines, no mechanical abrasion exists, the pipeline is protected by the pipeline drag chain 1, the service life is prolonged, and the pipeline is convenient to disassemble, assemble and maintain.
Claims (5)
1. The utility model provides an interior pipeline conveyor of high altitude construction car arm, includes the flexible arm that constitutes by one-level arm, second grade arm, tertiary arm, and the second grade arm cup joints in the hole of one-level arm, and tertiary arm cup joints in the hole of second grade arm, its characterized in that: an oil cylinder (4) is connected between the rear end of the primary arm (5) and the front end of the secondary arm (6); a return link chain (2) and a rod outlet chain (3) are additionally arranged, and the return link chain (2) is hung between the front end of the primary arm (5) and the rear end of the tertiary arm (7) and is supported by a steering wheel arranged at the rear end of the secondary arm (6); the rod-out chain (3) is hung between the rear end of the primary arm (5) and the rear end of the tertiary arm (7) and is supported by a steering wheel arranged at the front end of the secondary arm (6); in addition, a pipeline drag chain (1) is arranged, one end of the pipeline drag chain (1) is fixed on the first-stage arm (5), and the other end of the pipeline drag chain is fixed on the third-stage arm (7).
2. The aerial lift truck boom in-line conveying apparatus of claim 1, wherein: the head end of the pipeline drag chain (1) is fixedly connected with the rear end of the first-stage arm (5) through a bolt, the pipeline drag chain (1) is supported on a steering wheel at the front end of the third-stage arm (7) and is folded backwards, and the tail end of the pipeline drag chain (1) is fixedly connected with the rear end of the third-stage arm (7).
3. The aerial lift truck boom in-line conveying apparatus of claim 1, wherein: the pipeline drag chain (1) is a flexible chain formed by sequentially hinging a plurality of chain links with rectangular cross sections.
4. The aerial lift truck boom in-line conveying apparatus of claim 1, wherein: the return link chain (2) and the outlet link chain (3) are double-row or multi-row traction chains.
5. The aerial lift truck boom in-line conveying apparatus of claim 1, wherein: the oil cylinder (4) is arranged on the outer side surface of the primary arm (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122911983.2U CN216272995U (en) | 2021-11-25 | 2021-11-25 | Pipeline conveying device in aerial work vehicle arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122911983.2U CN216272995U (en) | 2021-11-25 | 2021-11-25 | Pipeline conveying device in aerial work vehicle arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216272995U true CN216272995U (en) | 2022-04-12 |
Family
ID=81037962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122911983.2U Active CN216272995U (en) | 2021-11-25 | 2021-11-25 | Pipeline conveying device in aerial work vehicle arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216272995U (en) |
-
2021
- 2021-11-25 CN CN202122911983.2U patent/CN216272995U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Pipeline conveying device inside the arm of high-altitude operation vehicle Granted publication date: 20220412 Pledgee: Jining Rural Commercial Bank Co.,Ltd. Pledgor: JINING SITONG ENGINEERING MACHINERY Co.,Ltd. Registration number: Y2024980000926 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |