CN113319224A - Hydraulic cable scissors for electric power construction - Google Patents
Hydraulic cable scissors for electric power construction Download PDFInfo
- Publication number
- CN113319224A CN113319224A CN202110541215.4A CN202110541215A CN113319224A CN 113319224 A CN113319224 A CN 113319224A CN 202110541215 A CN202110541215 A CN 202110541215A CN 113319224 A CN113319224 A CN 113319224A
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- China
- Prior art keywords
- hydraulic
- fixedly connected
- threaded rod
- electric power
- cable
- Prior art date
- 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.)
- Granted
Links
- 238000010276 construction Methods 0.000 title claims abstract description 17
- 238000010008 shearing Methods 0.000 claims abstract description 22
- 230000000694 effects Effects 0.000 claims description 11
- 239000010720 hydraulic oil Substances 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims 1
- 239000004020 conductor Substances 0.000 abstract description 19
- 238000001125 extrusion Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 3
- 238000005096 rolling process Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 5
- 239000000835 fiber Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F11/00—Cutting wire
-
- 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
- H02G1/005—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for cutting cables or wires, or splicing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shearing Machines (AREA)
Abstract
The invention relates to the technical field of electric power auxiliary equipment and discloses a hydraulic cable shear for electric power construction. Through the part threaded rod, the fixed block, the setting of string, when the second piston is to being close to fixed block one side removal, take place to rotate in the part threaded rod, can carry out the rolling to the reel, make the string taut straight, can drive each fixed block and contract to middle extrusion simultaneously, treat the cable conductor of cuting and carry out the secondary and fix, when guaranteeing to promote the shearing sword at hydraulic pressure force and cuting the cable and cuting, the cable conductor distortion can not appear, crooked, the condition of fifty percent discount even takes place, can guarantee to cut the edge of a knife perpendicular to cable conductor, the incision is neat, it is level and smooth, guarantee to cut the quality, guarantee follow-up smooth construction installation.
Description
Technical Field
The invention relates to the technical field of electric power auxiliary equipment, in particular to a hydraulic cable shear for electric power construction.
Background
The hydraulic cable shears is a tool for shearing cables in the power construction process, and can be widely applied to mechanical equipment required by important industries such as ports, power, shipbuilding, petrochemical engineering, mines, railways, buildings, automobile manufacturing, industrial control, highways, large-piece transportation and various infrastructure projects.
However, the traditional hydraulic cable shears have the following defects in the actual working process: in large-scale electric power cable manufacturing plant, how to cut the branch to long distance electric power cable and wind, and guarantee that electric power cable's incision is even, it is important research direction to make things convenient for follow-up use, because the cable precision requirement is higher, traditional hydraulic cable cuts comparatively simply, cut from skin toward the inlayer when cuting the cable, and the cable conductor is longer, this just leads to when cuting, the cable conductor leads to slight deformation under bending force such as self gravity easily, thereby the cable takes place slight skew easily, the slope, cause the deviation of cutting position, can influence cutting blade to the precision of the inside optic fibre of cable, lead to cable inside wire, size overlength such as optic fibre or short, influence the quality after the construction is installed.
Disclosure of Invention
Aiming at the defects of the background technology, the invention provides the hydraulic cable shears for electric power construction, which have the advantages of good clamping effect, vertical shearing and smooth shearing, and solve the problems in the background technology.
The invention provides the following technical scheme: a hydraulic cable shear for electric power construction comprises a hydraulic connector, wherein the upper end of the hydraulic connector is fixedly connected with a main body, the middle part of the main body is provided with a shearing hole, the bottom of the shearing hole is provided with a shearing knife movably arranged in the main body, both sides of the middle part of the shearing hole are provided with mounting grooves, the outer side of the shearing hole is provided with a movable ring movably sleeved with the main body, the inner part of the movable ring is fixedly connected with a supporting spring, the bottom end of the supporting spring is fixedly connected with a supporting rod, the bottom of the supporting rod is fixedly connected with a clamping block, the inner part of the main body is provided with a hydraulic cavity which is wound around the shearing hole in a replacement way, both sides of the hydraulic cavity are movably sleeved with a plurality of groups of first pistons, the outer side of each first piston is fixedly connected with a connecting rod, the other end of each first piston is fixedly connected with the movable ring, and the upper end and the lower end of the hydraulic cavity are provided with liquid separating cavities, the middle part activity of minute sap cavity has cup jointed the second piston, the bottom fixedly connected with part threaded rod of second piston, the bottom fixedly connected with reel of part threaded rod, the activity of reel side has cup jointed the string, and the inside activity of mounting groove has cup jointed the fixed block that circumference such as a plurality of groups was arranged, both sides the equal fixedly connected with pulley in middle part of fixed block.
Preferably, the hydraulic chamber is connected with a hydraulic oil passage, and the support rod is in an extending state when the support spring is in an initial state.
Preferably, the middle part of the main pipe of the liquid separating cavity is provided with a pressure valve.
Preferably, the middle part of the partial threaded rod is provided with threads, the partial threaded rod is in threaded connection with the main body, and the partial threaded rod is in contact with but not connected with the fixing block corresponding to the end part of the partial threaded rod.
Preferably, the string is made of an inelastic cord material.
The invention has the following beneficial effects:
1. through first piston, the movable ring, the setting of grip block, the pressure value that does not reach the pressure valve at hydraulic oil pressure, make hydraulic oil promote the first piston of both sides earlier and remove to both sides, because the grip block has fixed cable conductor both sides centre gripping, make at both sides activity ring to both sides removal in-process, can cut the section to the cable conductor and stretch, the cable conductor that makes to wait to cut the section is in and straightens, and the state of sword is sheared to the perpendicular to, avoid the cable conductor because self gravity, factors such as length and distortion, deformation, the quality is sheared in the influence.
2. Through the part threaded rod, the fixed block, the setting of string, when hydraulic oil extrusion second piston is to being close to fixed block one side removal, make the part threaded rod move down and take place the rotation when extrudeing the fixed block, can roll the reel, make the string taut straighten, can drive the fixed block around the mounting groove simultaneously to middle extrusion shrink, treat the cable conductor of cuting and carry out the secondary and fix, because the fixed block distributes and is close to the both sides of shearing the sword, so when hydraulic pressure force promotes to shear the sword and cut the cable, the cable conductor distortion can not appear, crooked, the condition emergence of fifty percent discount even, can guarantee to cut the edge of a knife perpendicular to cable conductor, the incision is neat, and is level and smooth, the inside wire of cable can not appear, the condition that size differs in size appears such as optic fibre, ensure to cut the quality, guarantee follow-up smooth construction installation.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the interior of the structural mounting groove of the present invention;
FIG. 3 is an enlarged view of the structure A of the present invention;
FIG. 4 is an enlarged view of the structure B of the present invention;
fig. 5 is an enlarged view of the structure C of the present invention.
In the figure: 1. a hydraulic connector; 2. a main body; 3. shearing holes; 4. a shearing knife; 5. a movable ring; 6. a support spring; 7. a support bar; 8. a clamping block; 9. a hydraulic chamber; 10. a first piston; 11. a connecting rod; 12. a liquid separation cavity; 13. mounting grooves; 14. a second piston; 15. a partially threaded rod; 16. a reel; 17. a string; 18. a fixed block; 19. a pulley.
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.
Referring to fig. 1-5, a hydraulic cable shears for electric power construction comprises a hydraulic connector 1, a main body 2 is fixedly connected to the upper end of the hydraulic connector 1, a shearing hole 3 is formed in the middle of the main body 2, a shearing knife 4 movably mounted inside the main body 2 is arranged at the bottom of the shearing hole 3, mounting grooves 13 are formed in both sides of the middle of the shearing hole 3, a movable ring 5 movably sleeved with the main body 2 is arranged outside the shearing hole 3, a supporting spring 6 is fixedly connected inside the movable ring 5, a supporting rod 7 is fixedly connected to the bottom end of the supporting spring 6, a clamping block 8 is fixedly connected to the bottom of the supporting rod 7, a hydraulic chamber 9 wound around the shearing hole 3 is formed inside the main body 2, a plurality of sets of first pistons 10 are movably sleeved on both sides of the hydraulic chamber 9, a connecting rod 11 fixedly connected to the other end of each first piston 10 and the movable ring 5 is fixedly connected to the outer side of each first piston 10, the upper end and the lower extreme of hydraulic pressure chamber 9 all are provided with branch liquid chamber 12, and the middle part activity of dividing liquid chamber 12 has cup jointed second piston 14, and the bottom fixedly connected with part threaded rod 15 of second piston 14, the bottom fixedly connected with reel 16 of part threaded rod 15, the activity of reel 16 side has cup jointed string 17, and the inside activity of mounting groove 13 has cup jointed the fixed block 18 that circumference such as a plurality of groups was arranged, and the equal fixedly connected with pulley 19 in middle part of both sides fixed block 18.
Wherein, hydraulic pressure chamber 9 is connected with hydraulic pressure oil duct, and supporting spring 6 is when initial condition, and bracing piece 7 is in the state of stretching out, through the setting of bracing piece 7, can treat earlier that the cable conductor of cuting carries out centre gripping in advance, and when hydraulic pressure chamber 9 inside let in hydraulic oil, grip block 8 can remove along with the removal of activity ring 5, to cable conductor spare tensile, makes the cable conductor be in the state of straightening to follow-up fixed, shearing.
Wherein, divide the middle part of liquid chamber 12 house steward to be provided with the pressure valve, control the grip block through the pressure valve and stretch the cable earlier, carry out the secondary centre gripping to the cable conductor again.
Wherein, part threaded rod 15 is only provided with the screw thread at its middle part, and part threaded rod 15 and main part 2 threaded connection, part threaded rod 15 contacts but does not connect with its tip corresponding fixed block 18, when hydraulic oil extrusion second piston 14 was moved to being close to fixed block 18 one side, because part threaded rod 15 and main part 2 threaded connection for part threaded rod 15 moves down and takes place to rotate when extrudeing fixed block 18, can roll hank reel 16, make string 17 taut straight, can drive fixed block 18 around the mounting groove 13 and extrude the shrink to the centre simultaneously, treat that the cable line of cuting carries out the secondary and fixes.
The thin rope 17 is made of an inelastic rope material, when the reel 16 is wound, the fixing blocks 18 are extruded, the fixing blocks 18 can clamp the cable, and the thin rope 17 has no elasticity, so that the clamping force applied to the fixing blocks by the thin rope 17 is equal, the cable is stressed uniformly during clamping, deformation caused by uneven stress is avoided, and the shearing quality is ensured.
The working principle is that firstly, a cable to be cut penetrates through the cutting hole 3, hydraulic oil is injected into the hydraulic cavity 9, at the beginning, the hydraulic oil pressure does not reach the pressure value of the pressure valve, so that the hydraulic oil pushes the first pistons 10 on the two sides to move towards the two sides, as the clamping block 8 clamps and fixes the two sides of the cable, the cable can be stretched in the process that the movable rings 5 on the two sides move towards the two sides, the cable to be cut is stretched and straightened, and is perpendicular to the cutting knife, hydraulic pressure is continuously applied until the pressure valve is opened, the hydraulic oil enters the liquid separation cavity 12, the second piston 14 is extruded to move towards one side close to the fixed block 18, as part of the threaded rod 15 is in threaded connection with the main body 2, the threaded rod 15 rotates while moving downwards to extrude the fixed block 18, the reel 16 can be wound, and the thin rope 17 is tensioned and straightened, can drive fixed block 18 around the mounting groove 13 simultaneously to middle extrusion shrink, treat the cable conductor of cuting and carry out the secondary and fix, because the fixed block distributes and is close to the both sides of cuting sword 4, so when hydraulic pressure force promotes to cuting sword 4 and cuting the cable, the cable conductor bending can not appear, the condition of fifty percent discount takes place, can guarantee to cut the edge of a knife perpendicular to cable conductor, the incision is neat, level and smooth, the inside wire of cable can not appear, the condition that the size differs in size appears such as optic fibre, ensure to cut the quality, guarantee follow-up smooth construction installation.
It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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 appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a hydraulic cable is cut for electric power construction, includes hydraulic pressure connector (1), the upper end fixedly connected with main part (2) of hydraulic pressure connector (1), the middle part of main part (2) has been seted up and has been sheared hole (3), the bottom of shearing hole (3) is provided with movable mounting and shears sword (4) in main part (2) inside, its characterized in that: the cutting tool is characterized in that mounting grooves (13) are respectively formed in two sides of the middle of the cutting hole (3), a movable ring (5) movably sleeved with a main body (2) is arranged on the outer side of the cutting hole (3), a supporting spring (6) is fixedly connected to the inner part of the movable ring (5), a supporting rod (7) is fixedly connected to the bottom end of the supporting spring (6), a clamping block (8) is fixedly connected to the bottom of the supporting rod (7), a hydraulic cavity (9) which is used for winding the cutting hole (3) is formed in the main body (2), a plurality of groups of first pistons (10) are movably sleeved on two sides of the hydraulic cavity (9), a connecting rod (11) which is fixedly connected with the other end of each first piston (10) and the movable ring (5) is fixedly connected to the outer side of each first piston (10), liquid dividing cavities (12) are respectively arranged at the upper end and the lower end of each hydraulic cavity (9), and second pistons (, the bottom fixedly connected with part threaded rod (15) of second piston (14), the bottom fixedly connected with reel (16) of part threaded rod (15), thin rope (17) have been cup jointed in the activity of reel (16) side, and the inside activity of mounting groove (13) has been cup jointed fixed block (18) that circumference such as a plurality of groups was arranged, both sides the equal fixedly connected with pulley (19) in middle part of fixed block (18).
2. The hydraulic cable cutter for electric power construction as claimed in claim 1, wherein: the hydraulic cavity (9) is connected with the hydraulic oil duct, and the supporting rod (7) is in an extending state when the supporting spring (6) is in an initial state.
3. The hydraulic cable cutter for electric power construction as claimed in claim 1, wherein: and a pressure valve is arranged in the middle of the main pipe of the liquid distribution cavity (12).
4. The hydraulic cable cutter for electric power construction as claimed in claim 1, wherein: the middle part of the partial threaded rod (15) is provided with threads, the partial threaded rod (15) is in threaded connection with the main body (2), and the partial threaded rod (15) is in contact with a fixing block (18) corresponding to the end part of the partial threaded rod but not connected with the fixing block.
5. The hydraulic cable cutter for electric power construction as claimed in claim 1, wherein: the string (17) is made of an inelastic rope material.
Priority Applications (1)
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CN202110541215.4A CN113319224B (en) | 2021-05-18 | 2021-05-18 | Hydraulic cable scissors for electric power construction |
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CN202110541215.4A CN113319224B (en) | 2021-05-18 | 2021-05-18 | Hydraulic cable scissors for electric power construction |
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CN113319224A true CN113319224A (en) | 2021-08-31 |
CN113319224B CN113319224B (en) | 2022-09-23 |
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Citations (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU996010A1 (en) * | 1980-12-22 | 1983-02-15 | Новочеркасский Ордена Трудового Красного Знамени Политехнический Институт Им.Серго Орджоникидзе | Apparatus for cutting ropes |
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JPH11331049A (en) * | 1998-05-11 | 1999-11-30 | Nippon Comsys Corp | Mis-cutting prevention device for communication cable cutter, and communication cable cutter in combination with the device |
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CN103934391A (en) * | 2014-04-03 | 2014-07-23 | 国家电网公司 | Hydraulic wire shearing clamp for electric power construction |
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CN209716321U (en) * | 2019-03-19 | 2019-12-03 | 国网湖北省电力有限公司黄石供电公司 | A kind of electric power cable clipping apparatus |
CN110571701A (en) * | 2019-09-12 | 2019-12-13 | 安徽飞马电缆有限公司 | Cable cutting device |
US20200212661A1 (en) * | 2015-01-07 | 2020-07-02 | Greenlee Tools, Inc. | Cutting device for the severance of an electrical power cable, or of a strand section |
CN111451568A (en) * | 2019-11-09 | 2020-07-28 | 金博 | Hydraulic manual cable cutter |
CN211679792U (en) * | 2019-12-26 | 2020-10-16 | 苏州鼎高电子科技有限公司 | Cable shearing device of cable paying out machine |
CN112003181A (en) * | 2020-08-20 | 2020-11-27 | 广东电网有限责任公司 | Cable cutter |
CN212216917U (en) * | 2020-05-14 | 2020-12-25 | 河南明珠工程管理有限公司 | Protector is used in reinforcing bar cutting |
CN212304462U (en) * | 2020-05-13 | 2021-01-05 | 南京龙虎电力安装有限公司 | Cable cutting device for electric power construction |
-
2021
- 2021-05-18 CN CN202110541215.4A patent/CN113319224B/en active Active
Patent Citations (20)
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SU996010A1 (en) * | 1980-12-22 | 1983-02-15 | Новочеркасский Ордена Трудового Красного Знамени Политехнический Институт Им.Серго Орджоникидзе | Apparatus for cutting ropes |
IT8323874A0 (en) * | 1982-11-24 | 1983-11-24 | Panduit Corp | EQUIPMENT FOR THE AUTOMATIC APPLICATION OF SEPARATE CABLE BINDINGS, SUPPLIED ON A CONTINUOUS CABLE BINDING TAPE. |
DE19611661A1 (en) * | 1996-03-25 | 1997-10-02 | Wafios Maschinen Wagner | Device for forming wire, in particular a universal spring coiling machine, with a cutting device |
JPH11331049A (en) * | 1998-05-11 | 1999-11-30 | Nippon Comsys Corp | Mis-cutting prevention device for communication cable cutter, and communication cable cutter in combination with the device |
DE20111251U1 (en) * | 2001-06-28 | 2001-11-15 | Demir Kabelmontagen Gmbh | Cable pulling and cutting device |
CN103317183A (en) * | 2013-06-19 | 2013-09-25 | 常熟市同利电力工具厂 | Double-acting hydraulic scissors |
CN103934391A (en) * | 2014-04-03 | 2014-07-23 | 国家电网公司 | Hydraulic wire shearing clamp for electric power construction |
CN203791541U (en) * | 2014-04-03 | 2014-08-27 | 国家电网公司 | Hydraulic cable cutting clamp for power construction |
US20200212661A1 (en) * | 2015-01-07 | 2020-07-02 | Greenlee Tools, Inc. | Cutting device for the severance of an electrical power cable, or of a strand section |
CN208592334U (en) * | 2018-04-25 | 2019-03-12 | 新昌县金瓯新能源科技有限公司 | A kind of fixed cutter device of high-voltage line |
CN208195526U (en) * | 2018-05-31 | 2018-12-07 | 湖北正浩建设集团有限公司 | A kind of hydraulic cable cutter of fission |
CN208513562U (en) * | 2018-07-06 | 2019-02-19 | 安徽省康利亚股份有限公司 | A kind of EMU cable shear |
CN209716321U (en) * | 2019-03-19 | 2019-12-03 | 国网湖北省电力有限公司黄石供电公司 | A kind of electric power cable clipping apparatus |
CN110238325A (en) * | 2019-06-24 | 2019-09-17 | 董清国 | A kind of communication cable cutting equipment |
CN110571701A (en) * | 2019-09-12 | 2019-12-13 | 安徽飞马电缆有限公司 | Cable cutting device |
CN111451568A (en) * | 2019-11-09 | 2020-07-28 | 金博 | Hydraulic manual cable cutter |
CN211679792U (en) * | 2019-12-26 | 2020-10-16 | 苏州鼎高电子科技有限公司 | Cable shearing device of cable paying out machine |
CN212304462U (en) * | 2020-05-13 | 2021-01-05 | 南京龙虎电力安装有限公司 | Cable cutting device for electric power construction |
CN212216917U (en) * | 2020-05-14 | 2020-12-25 | 河南明珠工程管理有限公司 | Protector is used in reinforcing bar cutting |
CN112003181A (en) * | 2020-08-20 | 2020-11-27 | 广东电网有限责任公司 | Cable cutter |
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Effective date of registration: 20220902 Address after: No.25, Nanhuan East Road, Kuitun city, Yili Kazak Autonomous Prefecture, Xinjiang Uygur Autonomous Region 833200 Applicant after: KUITUI POWER SUPPLY COMPANY OF STATE GRID XINJIANG ELECTRIC POWER Co.,Ltd. Address before: 033000 No.82, East Street, Renyan village, Jicun Town, Fenyang City, Luliang City, Shanxi Province Applicant before: Liu Lili |
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