CN110416921B - Ratchet tightening device for overhead construction of line - Google Patents
Ratchet tightening device for overhead construction of line Download PDFInfo
- Publication number
- CN110416921B CN110416921B CN201910692345.0A CN201910692345A CN110416921B CN 110416921 B CN110416921 B CN 110416921B CN 201910692345 A CN201910692345 A CN 201910692345A CN 110416921 B CN110416921 B CN 110416921B
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- Prior art keywords
- fixed frame
- fixed
- ratchet
- pawl
- tightening
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- 238000010276 construction Methods 0.000 title claims abstract description 20
- 210000000078 claw Anatomy 0.000 claims abstract description 10
- 230000007246 mechanism Effects 0.000 claims description 24
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000000034 method Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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
- B65H59/00—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators
- B65H59/10—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by devices acting on running material and not associated with supply or take-up devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
- H02G1/04—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables for mounting or stretching
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
- Clamps And Clips (AREA)
Abstract
The invention relates to the technical field of overhead line construction equipment, and discloses a ratchet tightening device for overhead line construction, which comprises a fixed frame, wherein one side of the outer part of the fixed frame is fixedly provided with a fixed support claw I, the middle part of an inner cavity of the fixed frame is provided with a tightening ratchet, and one end of a connecting rope penetrates through and extends to the other side of the outer part of the fixed frame and penetrates through a movable pulley to be fixedly connected with a fixed support claw II positioned at the bottom of the other side of the outer part of the fixed frame. The ratchet tightening device for line overhead construction is convenient to operate, the rope length of the movable pulley can be flexibly adjusted according to the line, and the operability of the ratchet tightening device in a suspended state and the convenience in use are further improved.
Description
Technical Field
The invention relates to the technical field of overhead line construction equipment, in particular to a ratchet tightening device for overhead line construction.
Background
The ratchet tightener is mainly used as a tool for tightening a wire in overhead line laying construction, and can effectively prevent the problem of loosening caused by line back force in the process of tightening the line due to the anti-reversion effect of a ratchet wheel on the ratchet tightener.
The existing ratchet tightener is structurally integrated with a driving mechanism of the existing ratchet tightener, the overhead construction operation of a line enables the ratchet tightener to be in a suspended state all the time, particularly, the line is loose in the early stage, so that the suspended ratchet tightener is large in shaking, and has no effective stress supporting point, so that a worker is difficult to apply an effective driving force for rotating a ratchet wheel in control, the control difficulty is large, and the efficiency of the line overhead construction is seriously affected.
Disclosure of Invention
The invention provides a ratchet tightening device for overhead construction of a line, which has the advantages of convenience in operation and control, good stability and high working efficiency, and solves the problems that the existing ratchet tightening device is integrated with a driving mechanism thereof, the ratchet tightening device is always in a suspended state in overhead construction operation of the line, particularly in the early stage, the line is loose to enable the ratchet tightening device to shake more, and the suspended ratchet tightening device has no effective stress supporting point, so that a worker is difficult to apply effective driving force for rotating a ratchet, the operation and control difficulty is high, and the overhead construction efficiency of the line is low.
The invention provides the following technical scheme: the utility model provides a ratchet tightening device for line overhead construction, includes fixed frame, one side fixed mounting of fixed frame outside has fixed claw I, the middle part of fixed frame inner chamber is equipped with tightens up the ratchet, and tightens up the inside winding of ratchet and have connecting rope, connecting rope's one end runs through and extends to the outside opposite side of fixed frame and pass movable pulley and the fixed claw II fixed connection that is located the outside opposite side bottom of fixed frame, the bottom fixed mounting of fixed frame inner chamber one side has stop mechanism, fixed frame's top fixed mounting has actuating mechanism, actuating mechanism's outside is equipped with manual drive arrangement, and communicates each other between actuating mechanism's inside and the inside of manual drive arrangement.
Preferably, the stop mechanism comprises a fixed pin shaft, two ends of the fixed pin shaft are fixedly connected with two sides of the inner wall of the fixed frame respectively, a stop pawl is arranged on the outer surface of the fixed pin shaft, one end of the stop pawl is meshed with the outer wall of the tightening ratchet wheel, and the middle part of the stop pawl is movably connected with the inner cavity of the fixed frame through a connecting spring.
Preferably, the locking pawl is in a locking state and a releasing state for the tightening ratchet wheel respectively at two limit positions rotating along the locking pawl, and the connecting springs are respectively positioned at the right side and the left side of the fixed pin shaft.
Preferably, the driving mechanism comprises a reset sleeve, the bottom end of the reset sleeve is fixedly connected with one side of the top end of the fixed frame, the other side of the top end of the fixed frame is fixedly provided with a hydraulic transmission cylinder, a fixed connecting rod is movably connected between the reset sleeve and the hydraulic transmission cylinder, a driving pawl is movably connected inside the fixed connecting rod, and one end of the driving pawl is meshed with the outer wall of the tightening ratchet wheel.
Preferably, an elastic tongue piece is arranged between the top of one side of the driving pawl and one side of the bottom end of the fixed connecting rod.
Preferably, the effective movable stroke of the fixed connecting rod between the reset sleeve and the hydraulic transmission cylinder is larger than the tooth pitch of the tightening ratchet wheel.
Preferably, the manual driving device comprises a hydraulic pipeline, one end of the hydraulic pipeline is communicated with the inside of the hydraulic transmission cylinder, the other end of the hydraulic pipeline is provided with the hydraulic driving cylinder, and the upper end and the lower end of the hydraulic driving cylinder are movably sleeved with the top and the bottom of the inner cavity of the pressing support respectively.
Advantageous effects
The invention has the following beneficial effects:
1. This ratchet tightening device for line overhead construction, through actuating mechanism and manual drive arrangement's setting, utilize hydraulic drive's principle can exert the driving force to tightening ratchet outside the remote, utilize the line support as this ratchet tightening device stress point, thereby tighten up the operation to the line, compare with current ratchet tightening device, make actuating mechanism and tightening device separate each other, thereby avoided this ratchet tightening device under unsettled state, not have effectual atress supporting point and lead to the staff to be difficult to rotate tightening ratchet, in order to reach the problem of tightening up the line, and then improved the operability and the convenience of this ratchet tightening device, the work efficiency that this ratchet tightening device was erect to the line has been improved simultaneously.
2. The ratchet tightening device for line overhead construction is convenient to operate, the rope length of the movable pulley can be flexibly adjusted according to the line, and the operability of the ratchet tightening device in a suspended state and the convenience in use are further improved.
Drawings
FIG. 1 is a schematic view of the structure of the tightening ratchet lock of the present invention;
FIG. 2 is a schematic view of the tightening ratchet release of the present invention.
In the figure: 1. a fixed frame; 2. a fixed support claw I; 3. tightening the ratchet wheel; 4. a connecting rope; 5. a fixed support claw II; 6. a movable pulley; 7. a stop mechanism; 71. a fixed pin shaft; 72. a stopping pawl; 73. a connecting spring; 8. a driving mechanism; 81. resetting the sleeve; 82. a hydraulic transmission cylinder; 83. fixing the connecting rod; 84. a driving pawl; 9. a manual driving device; 91. a hydraulic conduit; 92. a hydraulic drive cylinder; 93. and (5) pressing the support.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-2, a ratchet tightening device for overhead construction of a line comprises a fixed frame 1, wherein one side of the outer part of the fixed frame 1 is fixedly provided with a fixed supporting claw i 2, the middle part of the inner cavity of the fixed frame 1 is provided with a tightening ratchet 3, the inside of the tightening ratchet 3 is wound with a connecting rope 4, one end of the connecting rope 4 penetrates through and extends to the other side of the outer part of the fixed frame 1 and penetrates through a movable pulley 6 to be fixedly connected with a fixed supporting claw ii 5 positioned at the bottom of the other side of the outer part of the fixed frame 1, the bottom of one side of the inner cavity of the fixed frame 1 is fixedly provided with a stop mechanism 7, the top end of the fixed frame 1 is fixedly provided with a driving mechanism 8, the outer part of the driving mechanism 8 is provided with a manual driving device 9, and the inside of the driving mechanism 8 is mutually communicated with the inside of the manual driving device 9.
In the technical scheme, the stop mechanism 7 comprises a fixed pin 71, two ends of the fixed pin 71 are fixedly connected with two sides of the inner wall of the fixed frame 1 respectively, a stop pawl 72 is arranged on the outer surface of the fixed pin 71, one end of the stop pawl 72 is meshed with the outer wall of the tightening ratchet wheel 3, and the middle part of the stop pawl 72 is movably connected with the inner cavity of the fixed frame 1 through a connecting spring 73.
In the present embodiment, the locking pawl 72 is locked and unlocked to the tightening ratchet 3 at two extreme positions of rotation along the locking pawl 72, and the connecting springs 73 are located on the right and left sides of the fixed pin 71, respectively.
Wherein, for the setting of the position relation between the connecting spring 73 and the fixed pin 71 when the stop pawl 72 is in the two limit position states, when the stop pawl 72 is in the locking state, the tension force of the connecting spring 73 is utilized to ensure that the fixed pin 71 and the stop pawl 72 can completely lock the tightening ratchet 3 and prevent the tightening ratchet from rotating clockwise, and simultaneously ensure that the stop pawl 72 does not automatically move under the action of external force; when the stop pawl 72 is in a released state, the position of the connecting spring 73 is at the left side of the fixed pin shaft 71, so that the stop pawl 72 always has a tendency to incline to the right side, the stop pawl is prevented from automatically returning to lock the tightening ratchet wheel 3, the length of the connecting rope 4 and the position of the movable pulley 6 can be flexibly adjusted, and the locking device is convenient and flexible to use and good in stability.
In this technical scheme, actuating mechanism 8 includes reset sleeve 81, and reset sleeve 81's bottom and one side fixed connection on fixed frame 1 top, and fixed frame 1 top's opposite side fixed mounting has hydraulic drive jar 82, swing joint has fixed connecting rod 83 between reset sleeve 81 and the hydraulic drive jar 82, and fixed connecting rod 83's inside swing joint has drive pawl 84, intermeshes between drive pawl 84's one end and the outer wall of tightening ratchet 3.
In this embodiment, an elastic tongue piece is provided between the top of the side of the driving pawl 84 and the side of the bottom end of the fixed connecting rod 83.
The elastic tongue piece between the driving pawl 84 and the fixed connecting rod 83 is arranged, so that the driving pawl 84 can always face the convenience of the tightening ratchet wheel 3 and cannot be influenced by the working direction of the ratchet wheel tightener, stable and effective meshing transmission of the driving pawl 84 to the tightening ratchet wheel 3 is further ensured, and slipping phenomenon caused by the working direction of the tightening ratchet wheel is avoided.
In this solution, the effective active travel of the fixed connecting rod 83 between the return sleeve 81 and the hydraulic cylinder 82 is greater than the pitch of the tightening ratchet 3.
The setting of the movable stroke of the fixed connecting rod 83 and the tooth pitch of the tightening ratchet 3 ensures that the fixed connecting rod 83 can stably engage the driving pawl 84 in the next tooth in one movable stroke, and meanwhile, when the position of the movable pulley 6 needs to be adjusted, the driving pawl 84 can be effectively separated from the rotating diameter range of the tightening ratchet 3, so that the tightening ratchet 3 cannot be jammed with the tightening ratchet 3 during clockwise rotation.
In this technical scheme, manual drive device 9 includes hydraulic pipe 91, and the one end of hydraulic pipe 91 communicates with the inside of hydraulic drive jar 82, and the other end of hydraulic pipe 91 is equipped with hydraulic drive jar 92, and the activity cup joints between the top and the bottom of the upper and lower both ends of hydraulic drive jar 92 and the inner chamber of pressure support 93 respectively.
The manual driving device 9 can be arranged in a way of utilizing hydraulic transmission outside a long distance, and a line bracket is utilized as a stress point, so that tightening operation is carried out on a line, and the problems of difficult use and inconvenient operation caused by the fact that the existing ratchet tightening device is not provided with a stress supporting point in a suspended environment are solved.
The application method and the working principle of the embodiment are as follows:
Firstly, pulling the stop pawl 72 to the leftmost side, so that the top end of the stop pawl 72 is separated from the tightening ratchet wheel 3, meanwhile, the connecting spring 73 moves to the left side of the fixed pin shaft 71, then the pressing bracket 93 is opened to the maximum angle, the hydraulic driving cylinder 92 and the reset sleeve 81 drive the fixed connecting rod 83 and the driving pawl 84 to move to the rightmost side, and the driving pawl 84 is separated from the effective rotating diameter of the tightening ratchet wheel 3, then the length of the connecting rope 4 can be dragged and the movable pulley 6 is adjusted to a proper position, then the fixed pawl I2 and the movable pulley 6 are respectively fixedly arranged at two ends of two groups of lines needing to be tightened, then the stop pawl 72 is pulled to the rightmost side, the connecting spring 73 is moved to the right side of the fixed pin shaft 71, the pressing bracket 93 is locked by the top end of the stop pawl 72, then the pressing bracket 93 can be inwards pressed, hydraulic oil in the hydraulic driving cylinder 92 is compressed into the hydraulic driving cylinder 82 through the hydraulic pipeline 91, the fixed connecting rod 83 and the fixed connecting rod 83 is driven to move to the right side, and the ratchet wheel 4 is driven to be tightly pressed by the driving pulley 84 under the engagement of the driving pawl 84, and the pressing bracket is driven to rotate, and the pressing bracket is further the pressing bracket is driven to rotate to the other end of the line is compressed to the compression bracket 93, and the pressing bracket is indirectly to the compression end is indirectly compressed by the compression end of the line is compressed by the pressing bracket is driven by the compression force of the movable ratchet wheel 4, and the other person can achieve the purpose.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides a ratchet tightener for overhead construction of circuit, includes fixed frame (1), its characterized in that: one side of the outer part of the fixed frame (1) is fixedly provided with a fixed supporting claw I (2), the middle part of the inner cavity of the fixed frame (1) is provided with a tightening ratchet wheel (3), the inner part of the tightening ratchet wheel (3) is wound with a connecting rope (4), one end of the connecting rope (4) penetrates through and extends to the other side of the outer part of the fixed frame (1) and penetrates through a movable pulley (6) to be fixedly connected with a fixed supporting claw II (5) positioned at the bottom of the other side of the outer part of the fixed frame (1), the bottom of one side of the inner cavity of the fixed frame (1) is fixedly provided with a stop mechanism (7), the top end of the fixed frame (1) is fixedly provided with a driving mechanism (8), the outer part of the driving mechanism (8) is provided with a manual driving device (9), the inner part of the driving mechanism (8) is mutually communicated with the inner part of the manual driving device (9),
The stop mechanism (7) comprises a fixed pin shaft (71), two ends of the fixed pin shaft (71) are respectively and fixedly connected with two sides of the inner wall of the fixed frame (1), a stop pawl (72) is arranged on the outer surface of the fixed pin shaft (71), one end of the stop pawl (72) is meshed with the outer wall of the tightening ratchet wheel (3), the middle part of the stop pawl (72) is movably connected with the inner cavity of the fixed frame (1) through a connecting spring (73),
The stop pawl (72) is respectively in a locking state and a releasing state for the tightening ratchet wheel (3) at two limit positions rotating along the stop pawl (72), the connecting springs (73) are respectively positioned at the right side and the left side of the fixed pin shaft (71),
The driving mechanism (8) comprises a reset sleeve (81), the bottom end of the reset sleeve (81) is fixedly connected with one side of the top end of the fixed frame (1), the other side of the top end of the fixed frame (1) is fixedly provided with a hydraulic transmission cylinder (82), a fixed connecting rod (83) is movably connected between the reset sleeve (81) and the hydraulic transmission cylinder (82), a driving pawl (84) is movably connected inside the fixed connecting rod (83), one end of the driving pawl (84) is meshed with the outer wall of the tightening ratchet wheel (3),
An elastic tongue piece is arranged between the top of one side of the driving pawl (84) and one side of the bottom end of the fixed connecting rod (83).
2. The ratchet tightener for line overhead construction according to claim 1, wherein: the effective movable travel of the fixed connecting rod (83) between the reset sleeve (81) and the hydraulic transmission cylinder (82) is larger than the tooth pitch of the tightening ratchet wheel (3).
3. The ratchet tightener for line overhead construction according to claim 1, wherein: the manual driving device (9) comprises a hydraulic pipeline (91), one end of the hydraulic pipeline (91) is communicated with the inside of the hydraulic transmission cylinder (82), the other end of the hydraulic pipeline (91) is provided with a hydraulic driving cylinder (92), and the upper end and the lower end of the hydraulic driving cylinder (92) are respectively movably sleeved with the top and the bottom of the inner cavity of the pressing support (93).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910692345.0A CN110416921B (en) | 2019-07-30 | 2019-07-30 | Ratchet tightening device for overhead construction of line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910692345.0A CN110416921B (en) | 2019-07-30 | 2019-07-30 | Ratchet tightening device for overhead construction of line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110416921A CN110416921A (en) | 2019-11-05 |
| CN110416921B true CN110416921B (en) | 2024-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910692345.0A Active CN110416921B (en) | 2019-07-30 | 2019-07-30 | Ratchet tightening device for overhead construction of line |
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| CN (1) | CN110416921B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111083993A (en) * | 2019-12-31 | 2020-05-01 | 宁夏农林科学院枸杞工程技术研究所 | Hydraulic control power tractor for picking medlar |
| CN111821081B (en) * | 2020-07-23 | 2022-06-07 | 魏肖星 | Toe-exposed adjustable foot drop prevention socks |
| CN112993861B (en) * | 2021-03-26 | 2022-04-22 | 江苏珠影特种电缆有限公司 | Cable tightening device and working method thereof |
| CN116163506B (en) * | 2023-04-18 | 2023-06-30 | 山西建设投资集团有限公司 | Movable construction operation platform for removing chimney |
| CN116231522B (en) * | 2023-05-08 | 2023-07-14 | 国网山东省电力公司阳谷县供电公司 | High-voltage line installation is with tight line equipment |
| CN117673965B (en) * | 2024-01-31 | 2024-04-05 | 国网山东省电力公司威海供电公司 | Electric power tightener |
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| JP2006123089A (en) * | 2004-10-29 | 2006-05-18 | Koyo Electronics Ind Co Ltd | Fastener for bolts and the like |
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2019
- 2019-07-30 CN CN201910692345.0A patent/CN110416921B/en active Active
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| CN110416921A (en) | 2019-11-05 |
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