CN112093596A - High-efficiency electric paying-off tractor - Google Patents
High-efficiency electric paying-off tractor Download PDFInfo
- Publication number
- CN112093596A CN112093596A CN202010966603.2A CN202010966603A CN112093596A CN 112093596 A CN112093596 A CN 112093596A CN 202010966603 A CN202010966603 A CN 202010966603A CN 112093596 A CN112093596 A CN 112093596A
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- CN
- China
- Prior art keywords
- paying
- frame
- traction
- traction frame
- rotating shaft
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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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
- B65H75/40—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material mobile or transportable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/04—Kinds or types
- B65H75/08—Kinds or types of circular or polygonal cross-section
- B65H75/14—Kinds or types of circular or polygonal cross-section with two end flanges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
- B65H75/44—Constructional details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
- B65H75/44—Constructional details
- B65H75/4457—Arrangements of the frame or housing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/35—Ropes, lines
Landscapes
- Agricultural Machines (AREA)
Abstract
The invention discloses a high-efficiency electric paying-off tractor which comprises a traction frame, wherein two sides of the middle of the traction frame are respectively connected with movable wheels, at least 3 paying-off devices are arranged on the upper portion of the traction frame, each paying-off device comprises a paying-off frame, a winder and a motor, each paying-off frame comprises a vertical beam and a cross beam, a wire winder is arranged in the middle of each paying-off frame, two ends of each wire winder are fixed on a first cross beam through a first rotating shaft, the first rotating shaft is connected with the first cross beam through a bearing seat, a first driving gear is arranged on the rotating shaft at one end of each wire winder and meshed with a second driving gear, the motors are fixed on the traction frame through motor supports, forward and reverse rotation control switches are arranged on the traction frame, the motors are connected with forward and reverse rotation control switch leads. The invention can pay off and take up wires efficiently, and can rapidly switch other traction frames when one pay-off frame breaks down, thereby ensuring the orderly and efficient operation of work.
Description
Technical Field
The invention belongs to the technical field of traction machinery, and particularly relates to a high-efficiency electric paying-off traction machine.
Background
The tractor in the market is usually driven by large tractor, can only pull a wire once, need arrange the special messenger and coil the haulage rope by side, and traction efficiency is low, and the haulage rope is deposited inconveniently and is damaged easily. The existing tractor is heavy in machinery, only has one group of traction components, is low in traction efficiency, and cannot be constructed any more if damaged due to improper use in midway, so that engineering is caused.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a high-efficiency electric paying-off traction machine which can pay off and take up wires with high efficiency, and when one paying-off frame breaks down, other traction frames can be rapidly switched, so that the orderly and high-efficiency operation of work is ensured.
In order to achieve the purpose, the invention adopts the technical scheme that:
the high-efficiency electric paying-off tractor comprises a traction frame, wherein two sides of the middle of the traction frame are respectively connected with a movable wheel, at least 3 paying-off devices are arranged on the upper portion of the traction frame, each paying-off device comprises a paying-off frame, a winder and a motor, each paying-off frame comprises a vertical beam and a cross beam, a wire winder is arranged in the middle of each paying-off frame, two ends of each wire winder are fixed on a first cross beam through a first rotating shaft, the first rotating shaft is connected with the first cross beam through a bearing seat, a first transmission gear is arranged on a rotating shaft at one end of each wire winder and meshed with a second transmission gear, the second transmission gear is fixed on a second cross beam through a second rotating shaft, the second rotating shaft is connected with the second cross beam through a bearing seat, the second transmission gear is meshed with a third transmission gear, the third transmission gear is fixed on, the three-end of rotation axis is connected with the drive wheel, the drive wheel passes through transmission and is connected with the drive wheel, the drive wheel is connected with the motor, crossbeam one, crossbeam two, crossbeam three are connected with erecting the roof beam, erect the roof beam and pass through screw or welded fastening on the traction frame, the motor passes through the motor support to be fixed on the traction frame, be equipped with positive and negative rotation control switch on the traction frame, the motor is connected with positive and negative rotation control switch wire, the traction frame front end is connected with folding supporting leg.
The third transmission gear and the outer side of the third transmission gear are provided with gear shifting handles, the third transmission gear can axially slide on the third rotating shaft, the gear shifting handles are connected with the control rod, the outer side of the control rod is connected with the control handle, the control rod is connected with the third cross beam through a limiting stopper, the control rod can only axially move in the limiting stopper, and the control rod controls the third transmission gear to be meshed with or not meshed with the second transmission gear through the gear shifting handles.
The transmission device comprises a belt and a chain, and the transmission wheel and the driving wheel comprise belt pulleys and chain wheels.
The movable wheels are connected through a transmission shaft.
The traction frame is provided with a protective cover, and the protective cover is connected with the upper part of the traction frame.
The safety cover front side is equipped with "U" type control hole, the control handle is located in the control hole.
The control handle is arranged at the end far away from the transmission device.
The side of the traction frame is provided with a protective cover, the protective cover is arranged on the three outer sides of the driving wheel, the transmission device and the transmission teeth, and the protective cover is fixedly connected with the traction frame.
The middle part of the wire winding device is provided with a wire winding barrel, two ends of the wire winding barrel are provided with limiting discs, and the wire winding barrel is fixed on the rotating shaft.
The invention has the beneficial effects that:
1) can high efficiency unwrapping wire, receive the line, can switch other traction frames rapidly when a pay off rack breaks down, guarantee the orderly high-efficient operation of work.
2) The wire winding device is not meshed with the driving wheel through the gear shifting handle, a worker can independently adjust the paying-off speed according to actual requirements, and the pulling force of paying-off is greatly reduced after meshing is not achieved.
3) Through safety cover and protection casing, protect inside machinery, prevent to get into by the foreign matter, drenched by the rainwater, damage inside machinery.
4) The control handle is far away from the transmission device, so that the safety is higher, and the operator is prevented from mistakenly touching the internal machine.
Drawings
FIG. 1 is a schematic view of the high efficiency electric pay-off tractor of the present invention.
In the figure, 1, a motor; 2. a beam III; 3. a moving wheel; 4. a forward and reverse rotation control switch; 5. a control handle; 6. a control hole; 7. a protective cover; 8. a protective cover; 9. a wire winder; 10. a third gear; 11. a driving wheel; 12. erecting a beam; 13. a transmission device; 14. a traction frame; 15. folding the supporting legs;
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
High-efficient electronic unwrapping wire tractor, including traction frame 14, 14 middle part both sides of traction frame are connected with removal wheel 3 respectively, 14 upper portions of traction frame are equipped with 3 at least pay-off, pay-off includes pay off rack, coiler, motor 1, the pay off rack includes perpendicular roof beam 12 and crossbeam, the pay off rack middle part is equipped with kinking ware 9, kinking ware 9 both ends are fixed on crossbeam one through rotation axis one, rotation axis one is connected through the bearing frame with crossbeam one, be equipped with driving tooth one on the rotation axis of kinking ware 9 one end, driving tooth one meshes with driving tooth two, driving tooth two is fixed on crossbeam two through rotation axis two, rotation axis two is connected through the bearing frame with crossbeam two, driving tooth two meshes with driving tooth three, driving tooth three is fixed on crossbeam three 2 through rotation axis three, rotation axis three is connected through the bearing frame with crossbeam three 2, three one end of rotation axis is connected with drive wheel 11, drive wheel 11 passes through transmission 13 and is connected with the drive wheel, the drive wheel is connected with motor 1, crossbeam one, crossbeam two, crossbeam three 2 are connected with perpendicular roof beam 12, it fixes on traction frame 14 through screw or welded fastening to erect roof beam 12, motor 1 passes through motor 1 support to be fixed on traction frame 14, be equipped with positive and negative rotation control switch 4 on traction frame 14, motor 1 is connected with positive and negative rotation control switch 4 wire, traction frame 14 front end is connected with folding supporting leg 15.
The invention can pay off and take up wires efficiently, and can rapidly switch other traction frames 14 when one pay-off frame has a fault, thereby ensuring the orderly and efficient operation of work.
The gear shifting handle is arranged on the third transmission gear and the outer side of the third transmission gear, the third transmission gear can axially slide on the third rotating shaft, the gear shifting handle is connected with the control rod, the outer side of the control rod is connected with the control handle 5, the control rod is connected with the third cross beam 2 through the limiting stopper, the control rod can only axially move in the limiting stopper, and the control rod controls the third transmission gear to be meshed with or not meshed with the second transmission gear through the gear shifting handle.
The wire winding device 9 is not meshed with the driving wheel through the gear shifting handle, a worker can independently adjust the wire releasing speed according to actual requirements, and the pulling force of releasing is greatly reduced after the meshing is not used.
The transmission device 13 comprises a belt and a chain, and the transmission wheel 11 and the driving wheel comprise a belt pulley and a chain wheel.
The movable wheels are connected through a transmission shaft.
And a protective cover 7 is arranged on the traction frame 14, and the protective cover 7 is connected with the upper part of the traction frame 14.
Through safety cover 7 and protection casing 8, protect inside machinery, prevent to get into by the foreign matter, drench by the rainwater, damage inside machinery.
The safety cover 7 front side is equipped with "U" type control hole 6, control handle 5 is located in the control hole 6.
The control handle 5 is arranged at the end far away from the transmission device 13.
It is safer to control handle 5 to keep away from transmission 8, prevents that the operator from touching inside machinery by mistake.
The side of the traction frame 14 is provided with a protective cover 8, the protective cover 8 is arranged on the three outer sides of the driving wheel, the transmission device 13 and the transmission teeth, and the protective cover 8 is fixedly connected with the traction frame 14.
The middle part of the wire winding device 9 is a wire winding cylinder, two ends of the wire winding cylinder are limit discs, and the wire winding cylinder is fixed on the rotating shaft.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the present invention as defined in the accompanying claims.
Claims (9)
1. The efficient electric paying-off tractor is characterized by comprising a traction frame, wherein two sides of the middle of the traction frame are respectively connected with a moving wheel, at least 3 paying-off devices are arranged on the upper portion of the traction frame, each paying-off device comprises a paying-off frame, a winder and a motor, each paying-off frame comprises a vertical beam and a cross beam, a wire winder is arranged in the middle of each paying-off frame, two ends of each wire winder are fixed on a first cross beam through a first rotating shaft, the first rotating shaft is connected with the first cross beam through a bearing seat, a first transmission gear is arranged on a rotating shaft at one end of each wire winder and meshed with a second transmission gear, the second transmission gear is fixed on a second cross beam through a second rotating shaft, the second rotating shaft is connected with the second cross beam through a bearing seat, the second transmission gear is meshed with a third transmission gear, the third transmission gear is fixed on a, the three-end of rotation axis is connected with the drive wheel, the drive wheel passes through transmission and is connected with the drive wheel, the drive wheel is connected with the motor, crossbeam one, crossbeam two, crossbeam three are connected with erecting the roof beam, erect the roof beam and pass through screw or welded fastening on the traction frame, the motor passes through the motor support to be fixed on the traction frame, be equipped with positive and negative rotation control switch on the traction frame, the motor is connected with positive and negative rotation control switch wire, the traction frame front end is connected with folding supporting leg.
2. The efficient electric paying-off traction machine as claimed in claim 1, wherein the third driving gear is provided with a gear shifting handle on the outer side, the third driving gear can axially slide on the third rotating shaft, the gear shifting handle is connected with a control rod, the outer side of the control rod is connected with a control handle, the control rod is connected with the third cross beam through a stopper, the control rod can only axially move in the stopper, and the control rod controls the third driving gear to be meshed with or not meshed with the second driving gear through the gear shifting handle.
3. A high efficiency electric payoff tractor as claimed in claim 1 wherein said transmission means comprises a belt, a chain, and said drive and drive wheels comprise pulleys and sprockets.
4. A high efficiency electric pay-off line haul-off as claimed in claim 1 wherein said moving wheels are connected by a drive shaft.
5. A high efficiency electric pay-off line pulling machine as defined in claim 2, wherein said pulling frame is provided with a protective cover, said protective cover being attached to an upper portion of said pulling frame.
6. A high efficiency electric paying off traction machine according to claim 5 wherein said protective cover is provided with an inverted "U" shaped control hole on the front side and said control handle is provided in said control hole.
7. A high efficiency electric pay-off winder as claimed in claim 6, wherein said control knob is located at the end remote from the drive means.
8. The efficient electric paying-off traction machine as claimed in claim 1, wherein a protective cover is arranged on the side surface of the traction frame, the protective cover is arranged on the outer sides of the driving wheel, the transmission device and the transmission teeth, and the protective cover is fixedly connected with the traction frame.
9. A high efficiency electric paying off traction machine as claimed in claim 1 wherein said winding drum is provided in the middle of said winding device and is provided with limiting discs at both ends, the winding drum being fixed to the rotation shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010966603.2A CN112093596A (en) | 2020-09-15 | 2020-09-15 | High-efficiency electric paying-off tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010966603.2A CN112093596A (en) | 2020-09-15 | 2020-09-15 | High-efficiency electric paying-off tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112093596A true CN112093596A (en) | 2020-12-18 |
Family
ID=73758999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010966603.2A Pending CN112093596A (en) | 2020-09-15 | 2020-09-15 | High-efficiency electric paying-off tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112093596A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201130828Y (en) * | 2007-10-23 | 2008-10-08 | 莱西市供电公司 | High-voltage line wire-discharging traction machine |
| CN202279581U (en) * | 2011-08-30 | 2012-06-20 | 河南航天特种车辆有限公司 | Vehicle-mounted electric cable reel |
| CN203582145U (en) * | 2013-11-13 | 2014-05-07 | 珠海许继电气有限公司 | Novel cable storing device convenient to use |
| CA2846710A1 (en) * | 2013-03-15 | 2014-09-15 | Encana Oil & Gas (Usa) Inc. | Gas distribution trailer for natural gas delivery to engines |
| CN104444632A (en) * | 2014-12-12 | 2015-03-25 | 龙岩市海德馨汽车有限公司 | Transmission mechanism and double-layer cable hoist using same |
| CN204967207U (en) * | 2015-09-30 | 2016-01-13 | 江苏捷诚车载电子信息工程有限公司 | Electronic cable drum of multiple |
| CN105438897A (en) * | 2014-09-26 | 2016-03-30 | 中国人民解放军总后勤部油料研究所 | Automatic large-diameter pipe deploying and retracting system and transport cart |
| CN106241515A (en) * | 2016-09-25 | 2016-12-21 | 刘逢亮 | Mobile substation torch integrated cable hoist |
| CN107572309A (en) * | 2017-09-15 | 2018-01-12 | 大连渔轮公司 | Auto-manual bank electricity winch |
| CN209016565U (en) * | 2018-10-18 | 2019-06-21 | 枣庄光明电力服务有限责任公司 | Overhead transmission line pay-off equipment and overhead transmission line stringing system |
-
2020
- 2020-09-15 CN CN202010966603.2A patent/CN112093596A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201130828Y (en) * | 2007-10-23 | 2008-10-08 | 莱西市供电公司 | High-voltage line wire-discharging traction machine |
| CN202279581U (en) * | 2011-08-30 | 2012-06-20 | 河南航天特种车辆有限公司 | Vehicle-mounted electric cable reel |
| CA2846710A1 (en) * | 2013-03-15 | 2014-09-15 | Encana Oil & Gas (Usa) Inc. | Gas distribution trailer for natural gas delivery to engines |
| CN203582145U (en) * | 2013-11-13 | 2014-05-07 | 珠海许继电气有限公司 | Novel cable storing device convenient to use |
| CN105438897A (en) * | 2014-09-26 | 2016-03-30 | 中国人民解放军总后勤部油料研究所 | Automatic large-diameter pipe deploying and retracting system and transport cart |
| CN104444632A (en) * | 2014-12-12 | 2015-03-25 | 龙岩市海德馨汽车有限公司 | Transmission mechanism and double-layer cable hoist using same |
| CN204967207U (en) * | 2015-09-30 | 2016-01-13 | 江苏捷诚车载电子信息工程有限公司 | Electronic cable drum of multiple |
| CN106241515A (en) * | 2016-09-25 | 2016-12-21 | 刘逢亮 | Mobile substation torch integrated cable hoist |
| CN107572309A (en) * | 2017-09-15 | 2018-01-12 | 大连渔轮公司 | Auto-manual bank electricity winch |
| CN209016565U (en) * | 2018-10-18 | 2019-06-21 | 枣庄光明电力服务有限责任公司 | Overhead transmission line pay-off equipment and overhead transmission line stringing system |
Non-Patent Citations (2)
| Title |
|---|
| 蒋平海: "《张力架线机械设备和应用 第2版》", 31 August 2004, 中国电力出版社 * |
| 邵万生: "《装潢印刷常用机械》", 31 May 1988 * |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20201218 |