CN115036872B - Improved UT molded line clamp - Google Patents
Improved UT molded line clamp Download PDFInfo
- Publication number
- CN115036872B CN115036872B CN202210495623.5A CN202210495623A CN115036872B CN 115036872 B CN115036872 B CN 115036872B CN 202210495623 A CN202210495623 A CN 202210495623A CN 115036872 B CN115036872 B CN 115036872B
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- driving
- rotate
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- 230000005540 biological transmission Effects 0.000 claims abstract description 33
- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 230000009467 reduction Effects 0.000 claims description 18
- 210000000078 claw Anatomy 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 7
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 230000001960 triggered effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 238000006073 displacement reaction Methods 0.000 abstract description 5
- 238000005056 compaction Methods 0.000 abstract description 2
- 230000001681 protective effect Effects 0.000 description 10
- 239000010720 hydraulic oil Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- 229910001335 Galvanized steel Inorganic materials 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 239000008397 galvanized steel Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
-
- 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
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/05—Suspension arrangements or devices for electric cables or lines
- H02G7/06—Suspensions for lines or cables along a separate supporting wire, e.g. S-hook
- H02G7/08—Members clamped to the supporting wire or to the line or cable
-
- 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
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/02—Devices for adjusting or maintaining mechanical tension, e.g. take-up device
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- Transmission Devices (AREA)
Abstract
The application discloses an improved UT-type wire clamp, which relates to the field of wire clamps and comprises a wire clamp body, wherein a tensioning assembly is arranged on the wire clamp body and comprises two tensioning wheels, when the two tensioning wheels rotate in opposite directions, wires positioned between the two tensioning wheels can be driven to move, a self-locking assembly is further arranged on the wire clamp body and comprises a ratchet wheel and a hydraulic moment-increasing mechanism, and when the wires positioned between the two tensioning wheels move to drive the tensioning wheels to rotate, the tensioning wheels can drive the ratchet wheel to rotate; when the ratchet wheel only moves in the forward direction, the hydraulic moment-increasing mechanism can be enabled to act to lock the wire rod. Can fix the wire rod on the fastener to taut wire rod has saved and has needed additionally to carry auxiliary assembly taut wire rod when the operation, and is comparatively convenient, compresses tightly the wire rod through hydraulic transmission mode, and the bigger wire rod one end displacement is, and is bigger to the compaction effect of wire rod, and is effectual to the auto-lock of wire rod, and can not take place relative slip, leads to the condition of auto-lock inefficacy.
Description
Technical Field
The application relates to the field of wire clamps, in particular to an improved UT-type wire clamp.
Background
The wire clamp is an iron or aluminum metal accessory which can be fixed on a wire or a steel cable, most of the wire clamp needs to bear larger tension in operation, meanwhile, the electric contact is guaranteed to be good, the UT wire clamp is a strain clamp, the wire clamp needs to bear all the tension of the wire or the lightning conductor, the grip strength of the wire clamp is not less than 90% of the rated tensile resistance of the wire, the lightning conductor or the steel cable to be installed, but the wire clamp is not used as a conductor, the UT wire clamp comprises a U-shaped screw rod and a wedge-shaped wire clamp sleeved on the U-shaped screw rod, threads are arranged at two ends of the U-shaped screw rod, the adjusting nuts and the like are matched on the threads, a stay wire of a telegraph pole is wound on a wedge block through the wedge-shaped wire clamp, the tightness of the stay wire is controlled through the adjusting nuts, and the wire clamp can be detached after the wire is installed.
Patent publication number CN107104407A discloses a wire UT molded line clamp and application method thereof, contains fastener body, wedge, top cap, U type bolt, plain washer, adjusting nut and locknut, the wedge sets up in the inside of fastener body, and the top cap sets up in the bottom of fastener body, interconnect with the fastener body, and galvanized steel strand penetrates the fastener body, and the chucking sets up inside the wedge, and the end of a thread penetrates the setting in the top cap, and U type bolt passes through plain washer, adjusting nut, locknut and fastener body fastening connection. The application has simple structure and convenient manufacture, the conical cylindrical wedge formed by the multi-petal wedge blocks is tightly contacted with the galvanized steel strand, the holding force is large, the galvanized steel strand can be installed without bending, and the length of the stay wire is convenient to adjust.
In the above patent and the prior art, before the wire is clamped and fixed, the wire needs to be tensioned, the laying distance of some wires is long, the gravity is large, the wires are difficult to be tensioned manually, auxiliary equipment is needed to be used for tensioning the wires, time and labor are wasted, after the auxiliary equipment is used for tensioning the wires, the wires need to be detached from the auxiliary equipment and installed on the wire clamp, the gravity of the wires needs to be manually counteracted, the wire is easy to fall back, if the wire is not detached from the auxiliary equipment, the auxiliary equipment and the wire clamp need to be operated simultaneously, the wire clamp is easy to interfere with the auxiliary equipment, and the wire clamp is troublesome to install; the existing wire clamps are all fixed with wires through wedge-shaped self-locking, the self-locking effect is poor, and the wire is easy to break due to the fact that the binding wires are broken or the wedge-shaped blocks are used for a long time after the pulling force of the pulling wires is too large, so that the wire clamps are broken, the fixing state is damaged due to self-locking failure, and the safety of the wires is seriously affected.
Disclosure of Invention
The application aims to provide an improved UT molded line clamp, which can fix a wire on a wire clamp and tension the wire, so that the wire is conveniently tensioned by carrying auxiliary equipment in an operation, the wire is compressed in a hydraulic transmission mode, the larger the displacement of one end of the wire is, the larger the compression effect on the wire is, the self-locking effect on the wire is good, and the situation of self-locking failure caused by relative sliding does not occur.
In order to achieve the above purpose, the present application provides the following technical solutions: an improved UT molded line clamp comprises a clamp body, wherein a tensioning assembly is arranged on the clamp body, and the tensioning assembly comprises two tensioning wheels; when the two tension wheels rotate in opposite directions, the wire rod positioned between the two tension wheels can be driven to move;
the wire clamp comprises a wire clamp body, and is characterized in that the wire clamp body is also provided with a self-locking assembly, the self-locking assembly comprises a ratchet wheel and a hydraulic moment-increasing mechanism, and when a wire rod positioned between two tension wheels moves to drive the tension wheels to rotate, the tension wheels can drive the ratchet wheel to rotate; when the ratchet wheel only moves in the forward direction, the hydraulic moment-increasing mechanism can be enabled to act to lock the wire rod.
Preferably, the hydraulic moment-increasing mechanism comprises a transmission gear, a thread moving unit, a hydraulic input cylinder, a hydraulic input piston, a hydraulic output cylinder and a hydraulic locking block, wherein the transmission gear is meshed with the ratchet wheel, the transmission gear can rotate along with the ratchet wheel, the transmission gear enables the hydraulic input piston to move in the hydraulic input cylinder through the thread moving unit, the hydraulic input piston moves in the hydraulic input cylinder, liquid in the hydraulic input cylinder is extruded into the hydraulic output cylinder, and the hydraulic locking block compresses wires.
Preferably, the thread moving unit comprises a thread sleeve and a threaded rod, and the transmission gear can drive the thread sleeve to rotate, so that the threaded rod drives the hydraulic input piston to move in the hydraulic input cylinder.
Preferably, the two tension wheels are fixedly provided with synchronous gears, and the two synchronous gears are meshed with each other, so that the rotation directions of the two tension wheels are opposite.
Preferably, one of the tension wheels is provided with a reduction gear, the reduction gear is meshed with a driving gear, and the reduction gear can amplify and transmit the torque of the driving gear to the tension wheel.
Preferably, the wire clamp body comprises a U-shaped rod, wedge blocks and a wedge pipe, threads are arranged at two ends of the U-shaped rod, and the wedge blocks are matched with the wedge pipe.
Preferably, the ratchet comprises an inner ring, an outer ring, a retaining claw and a retaining groove, the outer ring is sleeved on the inner ring, teeth are arranged on the outer wall of the outer ring and meshed with the transmission gear, a plurality of retaining grooves are formed in the inner ring, and when the inner ring rotates positively, the retaining claw is inserted into the retaining groove, so that the inner ring drives the outer ring to rotate.
Preferably, the drive gear is last fixed mounting has the actuating lever, actuating lever fixed mounting is on the inner race, the actuating lever includes drive output pole, drive rectangle pole, drive receiving rod and elastic component, first rectangular channel has been seted up on the drive output pole, second rectangular channel has been seted up on the drive receiving rod, the both ends of drive rectangle pole set up respectively in first rectangular channel and second rectangular channel, the one end fixed mounting of elastic component is on drive output pole, the other end fixed mounting of elastic component is on drive rectangle pole.
Preferably, the two tension wheels are provided with annular tension grooves, and the annular tension grooves are arc-shaped.
Preferably, a buffer block is arranged on one side of the hydraulic locking block, and the hydraulic locking block can compress the wire rod on the buffer block.
Preferably, the hydraulic locking block is connected with an alarm switch, and the alarm switch is triggered to send an alarm signal when the hydraulic locking block acts.
In summary, the application has the technical effects and advantages that:
1. according to the application, the wire rod positioned between the two tension wheels can be pulled to move through the rotation of the two tension wheels, the wire rod is tensioned, when the rotation of the tension wheels is stopped in the tensioning process, the wire rod is retracted to drive the tension wheels to rotate, so that the hydraulic moment-increasing mechanism compresses the wire rod, and the wire rod is prevented from retracting in the tensioning process; meanwhile, after the wire rod is arranged on the wire clamp, the wire rod can be retracted to enable the tension wheel to rotate, the hydraulic moment-increasing mechanism is used for compressing the wire rod, the hydraulic moment-increasing mechanism can amplify the moment, the wire rod is enabled to retract more and more to the compressing force of the wire rod, the wire rod is effectively prevented from being retracted, the wire rod is enabled to drive the tension wheel to rotate, the required moment is small, relative sliding between the wire rod and the tension wheel can be prevented, the tension wheel cannot be driven to rotate when the wire rod is retracted, and the wire rod retraction caused by relative sliding between one end of the wire rod and the wire clamp after the wire rod is fixed is lost is solved.
2. In the application, the reduction gear can drive the tension wheel to rotate, the reduction gear is driven to rotate by rotating the driving gear, and the diameter and the number of teeth of the reduction gear are larger than those of the driving gear, so that the rotation speed of the reduction gear is smaller than that of the driving gear, and meanwhile, the reduction gear amplifies the moment of the driving gear and transmits the amplified moment to the tension wheel, so that the tension wheel can be rotated more easily, wires can be tensioned by manpower, and the operation is more labor-saving.
3. According to the application, the wire can be fixed on the wire clamp and is tensioned, the additional carrying auxiliary equipment is omitted during operation, the wire clamp is convenient to tension, the wire clamp has the wire tensioning function, after the wire is tensioned, the wire can be directly fixed on the wire clamp, the step of detaching the wire from the auxiliary equipment and then fixing the wire clamp is omitted, time and labor are saved, the wire is prevented from being loosened after being retracted, interference with the auxiliary equipment is avoided when the wire is fixed on the wire clamp, the installation is convenient, meanwhile, a hydraulic moment-increasing mechanism is used, when one end of the wire is in retraction displacement, the wire is compressed by increasing the stroke amount and increasing the moment in a hydraulic transmission mode, the larger displacement amount at one end of the wire is larger, the self-locking effect on the wire is good, the wire clamp does not slide relatively, the situation that the wire is broken or the wedge-shaped wire clamp is broken after the wire is pulled too much or the wire clamp is used for a long time is avoided, and the safety and stability of a power supply line are ensured.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the application and that other drawings can be obtained from them without inventive effort for a person skilled in the art.
FIG. 1 is a schematic perspective view of the present application;
FIG. 2 is a schematic perspective view of the present application;
FIG. 3 is an enlarged view of portion A of FIG. 2 in accordance with the present application;
FIG. 4 is a schematic perspective view of the present application;
FIG. 5 is an enlarged view of portion B of FIG. 4 in accordance with the present application;
FIG. 6 is a schematic perspective view of the present application;
FIG. 7 is an enlarged view of portion C of FIG. 6 in accordance with the present application;
FIG. 8 is a schematic perspective view of the present application;
FIG. 9 is an enlarged view of portion D of FIG. 8 in accordance with the present application;
FIG. 10 is a schematic view of a hydraulic torque-adding mechanism according to the present application;
FIG. 11 is a schematic view of a driving rod according to the present application;
FIG. 12 is a schematic view of a ratchet wheel according to the present application.
In the figure: 1. a wire clamp body; 11. a U-shaped rod; 12. wedge blocks; 13. a wedge-shaped tube; 2. a tensioning assembly; 21. a tension wheel; 4. a self-locking assembly; 41. a ratchet wheel; 411. an inner ring; 412. an outer ring; 413. a retaining claw; 414. a retaining groove; 42. a hydraulic moment-increasing mechanism; 421. a transmission gear; 422. a screw moving unit; 4221. a threaded sleeve; 4222. a threaded rod; 423. a hydraulic input cylinder; 424. a hydraulic input piston; 425. a hydraulic output cylinder; 426. a hydraulic locking block; 5. a synchronizing gear; 6. a reduction gear; 7. a drive gear; 8. a driving rod; 81. driving the output rod; 811. a first rectangular groove; 82. driving a rectangular rod; 83. a drive receiving rod; 831. a second rectangular groove; 84. an elastic member; 9. an annular tensioning groove; 10. a buffer block; 14. an adjusting nut; 15. a lock nut; 16. a protective cover; 17. a rotating lever; 18. a pulling piece.
Detailed Description
The following description of the embodiments of the present application 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 application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Examples: referring to fig. 1, 4 and 5, an improved UT-type wire clamp comprises a wire clamp body 1, wherein a tensioning assembly 2 is arranged on the wire clamp body 1, and the tensioning assembly 2 comprises two tensioning wheels 21; when the two tension wheels 21 rotate in opposite directions, the wire rod positioned between the two tension wheels 21 can be driven to move;
the wire clamp body 1 is also provided with a self-locking assembly 4, the self-locking assembly 4 comprises a ratchet wheel 41 and a hydraulic moment-increasing mechanism 42, and when a wire rod positioned between two tension wheels 21 moves to drive the tension wheels 21 to rotate, the tension wheels 21 can drive the ratchet wheel 41 to rotate; when the ratchet 41 moves only in the forward direction, the hydraulic torque-increasing mechanism 42 can be operated to lock the wire.
Working principle: the tension wheels 21 are rotated, the two tension wheels 21 are reversely rotated, wires pass through the two tension wheels 21, the diameter of the wires is slightly larger than the distance between the tension wheels 21, the tension wheels 21 compress the wires, the wires cannot slide relative to the tension wheels 21, the rotation of the tension wheels 21 can drive the wires to move, the wires are tensioned, when the tension wheels 21 stop rotating due to short loss of driving force or loss of driving force in the tensioning process, the wires are retracted to drive the tension wheels 21 to rotate, the ratchet wheels 21 rotate the ratchet wheels 41, the ratchet wheels 41 enable the hydraulic moment-increasing mechanism 42 to act, the moment transmitted by the ratchet wheels 41 is increased to lock the wires, when the force transmitted to the tension wheels 21 by the wire retraction is larger, the hydraulic moment-increasing mechanism 42 increases the moment, the compression force on the wires is larger, after the moment is increased, the wires are fixed behind the wire clamps, when the wires are retracted, the wire retraction drives the tension wheels 21 to rotate, and the hydraulic moment-increasing mechanism 42 increases the moment, and then compresses the wires.
The wire rods positioned between the two tension wheels 21 can be pulled to move through the rotation of the two tension wheels 21, the wire rods are tensioned, when the rotation of the tension wheels 21 is stopped in the tensioning process, the wire rods retract to drive the tension wheels 21 to rotate, the hydraulic moment-increasing mechanism 42 is used for compacting the wire rods to prevent the wire rods from retracting in the tensioning process, meanwhile, when the wire rods are arranged on the wire clamps, the wire rods retract to also enable the tension wheels 21 to rotate, the hydraulic moment-increasing mechanism 42 is used for compacting the wire rods, the hydraulic moment-increasing mechanism 42 can amplify the moment, so that the compaction force of the wire rods to the wire rods is larger when the wire rods retract, the wire rods are effectively prevented from retracting, the moment required by the wire rods to drive the tension wheels 21 to rotate is smaller, the wire rods cannot be driven to rotate when the wire rods retract, and the wire rods retract caused by the relative sliding between one ends of the wire rods and the wire clamps after the wire rods lose fixation are solved;
can fix the wire rod on the fastener to taut wire rod has saved when the operation need additionally carry the taut wire rod of auxiliary assembly, it is comparatively convenient, the fastener has taut wire rod function, after taut wire rod, can directly fix the wire rod on the fastener, the step that the wire rod was detached reuse fastener was fixed from auxiliary assembly has been saved, labour saving and time saving, can not cause the wire rod to fall back and become loose, when fixing the wire rod on the fastener, can not interfere with auxiliary assembly, simple to operate, simultaneously use hydraulic moment-increasing mechanism 42, when the one end of wire rod takes place to fall back the displacement, compress tightly the wire rod through increasing stroke volume and increase moment, the greater the compression effect to the wire rod through hydraulic transmission mode, the auto-lock effect to the wire rod is good, and can not take place the relative slip, the condition that leads to auto-lock to become invalid.
Further, referring to fig. 10, the hydraulic moment-increasing mechanism 42 includes a transmission gear 421, a screw moving unit 422, a hydraulic input cylinder 423, a hydraulic input piston 424, a hydraulic output cylinder 425, and a hydraulic lock block 426, the transmission gear 421 is engaged with the ratchet 41, the transmission gear 421 is capable of following the rotation of the ratchet 41, the transmission gear 421 moves the hydraulic input piston 424 within the hydraulic input cylinder 423 by the screw moving unit 422, the hydraulic input piston 424 moves within the hydraulic input cylinder 423, and the liquid within the hydraulic input cylinder 423 is pressed into the hydraulic output cylinder 425, so that the hydraulic lock block 426 compresses the wire.
The hydraulic input cylinder 423 is internally provided with hydraulic oil, when the ratchet 41 rotates positively, the transmission gear 421 is driven to rotate, the transmission gear 421 enables the thread moving unit 422 to act, the thread moving unit 422 pushes the hydraulic input piston 424, the hydraulic oil is extruded into the hydraulic output cylinder 425 by the hydraulic input piston 424, the hydraulic locking block 426 is extruded by the liquid in the hydraulic output cylinder 425, the hydraulic locking block 426 is extruded to compact the wire rod, the contact area between the hydraulic input piston 424 and the hydraulic oil is smaller than the contact area between the hydraulic locking block 426 and the hydraulic oil, according to the pascal principle, because the hydraulic oil in the hydraulic input cylinder 423 is communicated with the hydraulic oil in the hydraulic output cylinder 425, the pressure of the liquid is consistent everywhere, the acting force of the liquid to the outside is the pressure multiplied by the acting area, the pressure of the liquid is consistent everywhere, the contact area between the hydraulic locking block 426 and the hydraulic oil is larger than the contact area between the hydraulic input piston 424 and the hydraulic oil, and the hydraulic input piston 424 bears smaller force, and the larger force can be obtained through the hydraulic transmission to the hydraulic locking block 426, and the wire rod is compacted.
Further, referring to fig. 10, the hydraulic pressure input cylinder 423 and the hydraulic pressure output cylinder 425 are communicated with each other through a hydraulic pipe.
Further, referring to fig. 10, the screw moving unit 422 includes a screw sleeve 4221 and a threaded rod 4222, the transmission gear 421 can drive the screw sleeve 4221 to rotate, so that the threaded rod 4222 drives the hydraulic input piston 424 to move in the hydraulic input cylinder 423, the screw sleeve 4221 is fixedly installed on the transmission gear 421, the screw sleeve 4221 is driven to rotate when the transmission gear 421 rotates, the threaded rod 4222 can move in the screw sleeve 4221 along with the rotation of the screw sleeve 4221, and the threaded rod 4222 can drive the hydraulic input piston 424 to move in the hydraulic input cylinder 423.
Further, referring to fig. 10, the hydraulic pressure input piston 424 and the hydraulic pressure input cylinder 423 are rectangular in cross section, and can limit the threaded rod 4222 and prevent the threaded rod 4222 from rotating with the threaded sleeve 4221.
Further, referring to fig. 2 and 3, the two tension wheels 21 are fixedly provided with the synchronizing gears 5, the two synchronizing gears 5 are meshed with each other, so that the rotation directions of the two tension wheels 21 are opposite, when one tension wheel 21 rotates, one synchronizing gear 5 is driven to rotate, the synchronizing gear 5 drives the other synchronizing gear 5 to rotate, and the rotation directions are opposite, so that the two tension wheels 21 rotate in opposite directions.
Further, referring to fig. 2 and 3, one of the tension wheels 21 is provided with a reduction gear 6, the reduction gear 6 is engaged with a drive gear 7, and the reduction gear 6 can amplify and transmit the torque of the drive gear 7 to the tension wheel 21.
The gear 6 fixed mounting is on one of them tight pulley 21, and the diameter and the number of teeth of gear 6 are all greater than driving gear 7, and gear 6 can drive this tight pulley 21 and rotate, through rotating driving gear 7, and driving gear 7 drives gear 6 and rotates, and because gear 6's diameter and number of teeth are all greater than driving gear 7, gear 6's rotational speed is less than driving gear 7, and gear 6 transmits tight pulley 21 after amplifying the moment of driving gear 7 simultaneously, makes to rotate tight pulley 21 more easily, can take up the wire rod through the manpower, and the operation is more laborsaving.
Further, referring to fig. 1 and 2, the wire clamp body 1 includes a U-shaped rod 11, a wedge block 12 and a wedge tube 13, and the wedge block 12 and the wedge tube 13 are mated.
The wire bypasses the wedge block 12, the wedge block 12 is arranged with one wider end and one narrower end, the wire tightens the wedge block 12, the wedge block 12 is propped against the wedge tube 13, and the wire is tightly pressed.
Further, the wire rod passes through one side of the wedge block 12 and enters the tensioning assembly 2 and the self-locking assembly 4, the wire rod passes through the other side of the wedge block 12 after being tensioned, the wire rod can be tensioned through the tensioning assembly 2, and the wire rod can be locked through the self-locking assembly 4, so that the operation is simpler and more convenient.
Further, the wire rod enters the tensioning assembly 2 and the self-locking assembly 4 to tension and self-lock the wire rod, and then the wire rod is completely wound on the wedge block 12, so that the wedge block 12 can keep better locking capability on the wire rod, the matching self-locking assembly 4 further ensures the firmness of the wire rod, and the wire rod is not easy to retract on the wire clamp and separate from the wire clamp.
Further, the both ends of U-shaped pole 11 are provided with the screw thread, and wedge tube 13's both sides fixed mounting has a sliding tube, and the sleeve joint of sliding tube is at the both ends of U-shaped pole 11, and with U-shaped pole 11 sliding fit, threaded connection has adjusting nut 14 on the U-shaped pole 11, and adjusting nut 14 can prevent when wedge tube 13 atress, breaks away from on the U-shaped pole 11, and adjusting nut 14 can adjust wedge tube 13's position, and adjusting nut 14 sets up in wedge tube 13 one side that is close to U-shaped pole 11 open-ended.
Further, referring to fig. 1 and 2, the U-shaped rod 11 is further screwed with a locking nut 15, and the locking nut 15 is disposed on a side of the adjusting nut 14 near the opening of the U-shaped rod 11, so that the adjusting nut 14 cannot rotate to disengage from the U-shaped rod 11.
Further, referring to fig. 12, the ratchet 41 includes an inner ring 411, an outer ring 412 and a retaining claw 413, the outer ring 412 is sleeved on the inner ring 411, teeth are provided on the outer wall of the outer ring 412 and meshed with the transmission gear 421, a plurality of retaining grooves 414 are provided on the inner ring 411, and when the inner ring 411 rotates forward, the retaining claw 413 is inserted into the retaining grooves 414, so that the inner ring 411 drives the outer ring 412 to rotate.
When the wire rod is tensioned when the driving gear 7 rotates, the driving gear 7 drives the ratchet wheel 41 to rotate in the same direction, at the moment, the rotation direction of the ratchet wheel 41 is reverse rotation, the retaining pawl 413 cannot clamp the retaining groove 414, the inner ring 411 and the outer ring 412 can rotate relatively, the ratchet wheel 41 idles, the force of the driving gear 7 cannot be transmitted to the self-locking assembly 4 to loosen the wire rod, the wire rod is loosened, when the wire rod is retracted to drive the tension wheel 21 to rotate, when the tension wheel 21 drives the driving gear 7 to rotate through the reduction gear 6, the rotation direction of the driving gear 7 is opposite to the rotation direction when the wire rod is tensioned, the driving gear 7 drives the ratchet wheel 41 to rotate, at the moment, the rotation direction of the ratchet wheel 41 is forward rotation, the retaining pawl 413 clamps the retaining groove 414, the inner ring 411 and the outer ring 412 rotate synchronously, the outer ring 412 drives the transmission gear 421 to rotate, the ratchet wheel 41 transmits torque to the self-locking assembly 4 to lock the wire rod, when the driving gear 7 drives the tension wheel 21 to tighten the wire rod, the self-locking assembly 4 cannot be stressed, the wire rod cannot be loosened, and when the wire rod is retracted to drive the tension wheel 21 to rotate, the wire rod, and the wire rod is prevented from being locked.
Further, referring to fig. 12, a spring is provided on the retaining claw 413, and the spring can push the retaining claw 413 into the retaining groove 414.
Further, referring to fig. 11, a driving rod 8 is fixedly installed on the driving gear 7, the driving rod 8 is fixedly installed on the inner ring 411, the driving rod 8 comprises a driving output rod 81, a driving rectangular rod 82, a driving receiving rod 83 and an elastic member 84, a first rectangular groove 811 is formed in the driving output rod 81, a second rectangular groove 831 is formed in the driving receiving rod 83, two ends of the driving rectangular rod 82 are respectively arranged in the first rectangular groove 811 and the second rectangular groove 831, one end of the elastic member 84 is fixedly installed on the driving output rod 81, and the other end of the elastic member 84 is fixedly installed on the driving rectangular rod 82.
The drive rectangular rod 82 is matched with the first rectangular groove 811 and the second rectangular groove 831 respectively, the drive gear 7 drives the drive output rod 81 to rotate, the drive output rod 81 drives the drive rectangular rod 82 to rotate, the drive rectangular rod 82 drives the drive receiving rod 83 to rotate, so that the drive gear 7 drives the ratchet wheel 41 to rotate, when wires need to be detached from the wire clamps, the drive rectangular rod 82 is shifted, the drive rectangular rod 82 is retracted into the second rectangular groove 831 on the drive receiving rod 83, the drive rectangular rod 82 is separated from the first rectangular groove 811, the drive output rod 81 does not drive the drive receiving rod 83 to rotate, the drive gear 7 cannot rotate with the ratchet wheel 41, the wire rod is retracted and does not drive the ratchet wheel 41 to rotate, torque is not transmitted into the self-locking assembly 4, the self-locking assembly 4 is not driven to compress the wires, and the wires can be pulled out between the two tension wheels 21.
Further, referring to fig. 11, a fixed cylinder is fixedly mounted at one end of the driving output rod 81 near the driving receiving rod 83, so that the driving rectangular rod 82 is rotated in the fixed cylinder after being separated from the first rectangular groove 811, and after the driving rectangular rod 82 is not shifted, the driving rectangular rod 82 is re-entered into the first rectangular groove 811 under the action of the elastic member 84.
Further, the elastic member 84 is a spring in the prior art.
Further, referring to fig. 1, the rotation rod 17 is fixedly installed on the transmission gear 421, after the power between the driving gear 7 and the ratchet 41 is cut off by pulling the driving rectangular rod 82, the transmission gear 421 is rotated by rotating the rotation rod 17, the transmission gear 421 is rotated to drive the threaded sleeve 4221 to rotate, the threaded rod 4222 moves under the limit of the hydraulic input piston 424 and drives the hydraulic input piston 424 to move, the hydraulic input piston 424 pumps hydraulic oil in the hydraulic output cylinder 425 into the hydraulic input cylinder 423, the hydraulic locking block 426 is retracted into the hydraulic output cylinder 425, the hydraulic locking block 426 does not compress the wire any more, so that the wire can be retracted, and the wire is detached.
Further, referring to fig. 1, the wire clamp body 1 is fixedly provided with a protective cover 16, and the tensioning assembly 2 and the self-locking assembly 4 are arranged in the protective cover 16.
Further, the drive receiving lever 83, the rotating lever 17, the drive output lever 81, the tension wheel 21, the reduction gear 6, and the tension wheel 21 are all rotatably connected within the shield 16.
Further, the drive receiving lever 83, the rotating lever 17, and the drive output lever 81 are all rotatably connected to the shield 16 through bearings, and the tension wheel 21, the reduction gear 6, and the tension wheel 21 are rotatably connected to the shield 16 through rotating shafts.
Further, the driving receiving rod 83 and the rotating rod 17 extend out of the protective cover 16, the pulling wheel 21 can be driven by the driving receiving rod 83 to rotate to strain the wire, the transmission gear 421 is driven by the driving rotating rod 17 to rotate, so that the self-locking assembly 4 can loosen the wire, and the wire can be detached.
Further, the end of the driving receiving rod 83 located outside the protecting cover 16 is provided with a connecting rectangular groove, so that a wrench or other tools can be used for rotating the driving receiving rod 83, and labor is saved.
Further, referring to fig. 1, an inlet hole and an outlet hole are formed in one side, close to the wedge block 12, of the protective cover 16, a wire can be inserted into the protective cover 16 through the inlet hole and the outlet hole to enter the locking assembly, an operation opening is formed in the top of the protective cover 16, an operation door is detachably mounted on the operation opening, and the trend of the wire entering the protective cover 16 can be guided through the operation opening.
Further, rubber sealing rings are fixedly installed in the inlet hole and the outlet hole, the wire rod can penetrate through the rubber sealing rings, and the rubber sealing rings seal the inlet hole, the outlet hole and the wire rod.
Further, referring to fig. 1, a pulling piece 18 is fixedly connected to the driving rectangular rod 82, a pulling hole is formed in the position, corresponding to the pulling piece 18, of the protective cover 16, and a sealing plate is fixedly mounted on the pulling piece 18 and abuts against the protective cover 16 to seal the sealing plate.
Further, referring to fig. 7, the two tension wheels 21 are provided with annular tension grooves 9, the annular tension grooves 9 are arc-shaped, so that the contact area between the tension wheels 21 and the wire is large, the friction between the tension wheels 21 and the wire is improved, the wire is driven to move better, and the wire is prevented from sliding.
Further, referring to fig. 9 and 10, a buffer block 10 is disposed on one side of the hydraulic locking block 426, the hydraulic locking block 426 can compress the wire on the buffer block 10, the buffer block 10 is made of rubber, and friction between the wire and the buffer block 10 is increased to compress the wire more tightly.
Further, the hydraulic moment-increasing mechanism 42 is connected with an alarm switch, and when the hydraulic moment-increasing mechanism 42 acts, the alarm switch is triggered to send an alarm signal. After tensioning the wire rod, indicate that the wedge inefficacy leads to the wire rod to take place to fall back when hydraulic moment-increasing mechanism 42 action, in time prompt maintainer overhauls through triggering alarm switch, prevent to make the fastener thoroughly inefficacy further under the circumstances that hydraulic moment-increasing mechanism 42 also breaks down, also avoid simultaneously self-locking assembly 4 and hydraulic moment-increasing mechanism 42 to be in the stress state for a long time and influence its life, wherein, alarm signal can transmit through modes such as power line carrier, radio.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present application, and although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present application.
Claims (7)
1. An improved UT molded line clamp comprises a clamp body (1), and is characterized in that: the wire clamp comprises a wire clamp body (1), wherein a tensioning assembly (2) is arranged on the wire clamp body, and the tensioning assembly (2) comprises two tensioning wheels (21); when the two tension wheels (21) rotate in opposite directions, the wire rod between the two tension wheels (21) can be driven to move;
the wire clamp is characterized in that the wire clamp body (1) is further provided with a self-locking assembly (4), the self-locking assembly (4) comprises a ratchet wheel (41) and a hydraulic moment-increasing mechanism (42), and when a wire rod between two tension wheels (21) moves to drive the tension wheels (21) to rotate, the tension wheels (21) can drive the ratchet wheel (41) to rotate; when the ratchet wheel (41) only moves in the forward direction, the hydraulic moment-increasing mechanism (42) can be operated to lock the wire rod;
the hydraulic moment-increasing mechanism (42) comprises a transmission gear (421), a thread moving unit (422), a hydraulic input cylinder (423), a hydraulic input piston (424), a hydraulic output cylinder (425) and a hydraulic locking block (426), wherein the transmission gear (421) is meshed with the ratchet wheel (41), the transmission gear (421) can rotate along with the ratchet wheel (41), the transmission gear (421) enables the hydraulic input piston (424) to move in the hydraulic input cylinder (423) through the thread moving unit (422), the hydraulic input piston (424) moves in the hydraulic input cylinder (423), and liquid in the hydraulic input cylinder (423) is extruded into the hydraulic output cylinder (425), so that the hydraulic locking block (426) compresses wires;
the two tension wheels (21) are fixedly provided with synchronous gears (5), the two synchronous gears (5) are meshed with each other, so that the rotation directions of the two tension wheels (21) are opposite, one tension wheel (21) is provided with a reduction gear (6), the reduction gear (6) is meshed with a driving gear (7), and the reduction gear (6) can amplify and transmit the torque of the driving gear (7) to the tension wheels (21);
the ratchet wheel (41) comprises an inner ring (411), an outer ring (412), a retaining claw (413) and a retaining groove (414), wherein the outer ring (412) is sleeved on the inner ring (411), teeth are arranged on the outer wall of the outer ring (412) and meshed with the transmission gear (421), a plurality of retaining grooves (414) are formed in the inner ring (411), and when the inner ring (411) rotates positively, the retaining claw (413) is inserted into the retaining groove (414) to enable the inner ring (411) to drive the outer ring (412) to rotate;
a driving rod (8) is fixedly arranged on the driving gear (7), and the driving rod (8) is fixedly arranged on the inner ring (411).
2. The improved UT clamp of claim 1, wherein: the screw moving unit (422) comprises a screw sleeve (4221) and a threaded rod (4222) which are in threaded connection, and the transmission gear (421) can drive the screw sleeve (4221) to rotate, so that the threaded rod (4222) drives the hydraulic input piston (424) to move in the hydraulic input cylinder (423).
3. The improved UT clamp of claim 1, wherein: the wire clamp comprises a wire clamp body (1), and is characterized in that the wire clamp body (1) comprises a U-shaped rod (11), a wedge block (12) and a wedge tube (13), threads are arranged at two ends of the U-shaped rod (11), sliding drums are fixedly arranged at two sides of the wedge tube (13), the sliding drums are sleeved at two ends of the U-shaped rod (11) and are in sliding fit with the U-shaped rod (11), the wedge block (12) and the wedge tube (13) are matched, wires bypass the wedge block (12), the wedge block (12) is arranged in a manner that one end is wider and the other end is narrower, the wires are tensioned with the wedge block (12), the wedge block (12) is abutted against the wedge tube (13), and the wires are compressed.
4. The improved UT clamp of claim 1, wherein: the driving rod (8) comprises a driving output rod (81), a driving rectangular rod (82), a driving receiving rod (83) and an elastic piece (84), wherein a first rectangular groove (811) is formed in the driving output rod (81), a second rectangular groove (831) is formed in the driving receiving rod (83), two ends of the driving rectangular rod (82) are respectively arranged in the first rectangular groove (811) and the second rectangular groove (831), one end of the elastic piece (84) is fixedly arranged on the driving output rod (81), and the other end of the elastic piece (84) is fixedly arranged on the driving rectangular rod (82).
5. The improved UT clamp of claim 1, wherein: annular tensioning grooves (9) are formed in the two tensioning wheels (21), and the annular tensioning grooves (9) are arc-shaped.
6. The improved UT clamp of claim 1, wherein: one side of the hydraulic locking block (426) is provided with a buffer block (10), and the hydraulic locking block (426) can compress wires on the buffer block (10).
7. The improved UT clamp of claim 1, wherein: the hydraulic locking block (426) is connected with an alarm switch, and the alarm switch is triggered to send an alarm signal when the hydraulic locking block (426) acts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210495623.5A CN115036872B (en) | 2022-05-08 | 2022-05-08 | Improved UT molded line clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210495623.5A CN115036872B (en) | 2022-05-08 | 2022-05-08 | Improved UT molded line clamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115036872A CN115036872A (en) | 2022-09-09 |
| CN115036872B true CN115036872B (en) | 2023-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210495623.5A Active CN115036872B (en) | 2022-05-08 | 2022-05-08 | Improved UT molded line clamp |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116247590B (en) * | 2023-05-05 | 2023-07-18 | 任丘市召明电力设备有限公司 | Energy-saving strain clamp |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102198897B1 (en) * | 2020-06-30 | 2021-01-05 | (주)비에스 | Multiple conductor fixture for machined transmission line |
| CN112952705A (en) * | 2021-02-23 | 2021-06-11 | 厦门绣襦纺织有限公司 | Tensioning mechanism for high-voltage overhead line |
| CN213846177U (en) * | 2020-10-09 | 2021-07-30 | 四川省自贡市益州电力线路器材有限公司 | UT fastener convenient to adjust |
| CN214900064U (en) * | 2021-02-04 | 2021-11-26 | 陕西省地方电力（集团）有限公司咸阳供电分公司 | UT molded lines clamp acts as go-between |
| CN215772266U (en) * | 2021-07-05 | 2022-02-08 | 贵州星海耀阳科技有限公司 | Anti-skid pulley device for paying-off and tightening of power line |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1315899B1 (en) * | 2000-04-14 | 2003-03-26 | Telecom Italia Spa | TECHNIQUE OF REALIZATION AND MAINTENANCE OF AERIAL PLANTS OF TELECOMMUNICATION BY MOBILE AMARRO. |
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2022
- 2022-05-08 CN CN202210495623.5A patent/CN115036872B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102198897B1 (en) * | 2020-06-30 | 2021-01-05 | (주)비에스 | Multiple conductor fixture for machined transmission line |
| CN213846177U (en) * | 2020-10-09 | 2021-07-30 | 四川省自贡市益州电力线路器材有限公司 | UT fastener convenient to adjust |
| CN214900064U (en) * | 2021-02-04 | 2021-11-26 | 陕西省地方电力（集团）有限公司咸阳供电分公司 | UT molded lines clamp acts as go-between |
| CN112952705A (en) * | 2021-02-23 | 2021-06-11 | 厦门绣襦纺织有限公司 | Tensioning mechanism for high-voltage overhead line |
| CN215772266U (en) * | 2021-07-05 | 2022-02-08 | 贵州星海耀阳科技有限公司 | Anti-skid pulley device for paying-off and tightening of power line |
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| CN115036872A (en) | 2022-09-09 |
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