CN116454810A - Strain clamp for power engineering - Google Patents
Strain clamp for power engineering Download PDFInfo
- Publication number
- CN116454810A CN116454810A CN202310370035.3A CN202310370035A CN116454810A CN 116454810 A CN116454810 A CN 116454810A CN 202310370035 A CN202310370035 A CN 202310370035A CN 116454810 A CN116454810 A CN 116454810A
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- Prior art keywords
- wire
- detection
- wire feeding
- rod
- broken piece
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- 238000001514 detection method Methods 0.000 claims abstract description 97
- 238000003825 pressing Methods 0.000 claims abstract description 54
- 230000000712 assembly Effects 0.000 claims abstract description 24
- 238000000429 assembly Methods 0.000 claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 238000007689 inspection Methods 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 10
- 230000006978 adaptation Effects 0.000 claims description 4
- 239000000975 dye Substances 0.000 claims 1
- 238000004870 electrical engineering Methods 0.000 claims 1
- 238000002788 crimping Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 241001391944 Commicarpus scandens Species 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 238000013022 venting Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
-
- 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
- H02G7/04—Arrangements or devices for relieving mechanical tension
-
- 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
Abstract
The invention relates to the technical field of power engineering, in particular to a strain clamp for power engineering, which comprises a Y-shaped wire clamping shell, wherein a wire groove for fixing a wire is formed in the Y-shaped wire clamping shell, the strain clamp also comprises a double wire pressing mechanism, a wire detection assembly and a traction wire feeding assembly, the double wire pressing mechanism comprises two wire pressing assemblies, the two wire pressing assemblies are both arranged on the Y-shaped wire clamping shell and are used for carrying out double-gravity-channel wire pressing operation on the wire, and the wire detection assembly is arranged on the Y-shaped wire clamping shell.
Description
Technical Field
The invention relates to the technical field of power engineering, in particular to a strain clamp for power engineering.
Background
The strain clamp is used for fixing a wire to bear the tension of the wire and hanging the wire to a strain string or a hardware fitting on a pole tower.
In the installation process of the strain clamp on the overhead line, the wire is mostly pulled by traction auxiliary equipment, then the strain clamp and the wire are subjected to multiple crimping, the wire is fixed, the crimping quality of the wire is difficult to observe macroscopically in the process of installing the strain clamp at high altitude, the installation defects of anti-sliding leakage, scattered strands of aluminum wires, non-crimping of core wires and the like are easily caused, after the strain clamp crimping is finished, if the traction auxiliary equipment is dismantled, the wire is affected by the tension of the wire, the wire and the strain clamp are easily separated, so that the construction progress is greatly affected, even if the wire and the strain clamp are not separated after the construction is finished, the wire is easily separated under the condition of long-time wire tensioning of the strain clamp, and serious electric accidents are easily caused if the wire is in a charged state.
After the installation of the strain clamp in the prior art is finished, the pressure welding position between the wire and the strain clamp is inconvenient to detect, and in the long-time transmission process, a line inspection worker is difficult to accurately observe the pressure welding position of the wire, when the pressure welding between the wire and the strain clamp is poor, serious electric power accidents are easy to occur, and in the prior art, after the installation and fixation between the strain clamp and the wire are finished, the tension of the wire is difficult to detect, under the influence of wind force, when the tension between the wire and the strain clamp is too high, the separation between the strain clamp and the wire is easy to occur, or the breakage of the wire is caused, serious electric power accidents occur, and aiming at the problem of the strain clamp in the prior art, we propose the strain clamp for electric power engineering.
Disclosure of Invention
(one) solve technical problem
Aiming at the defects of the prior art, the invention provides a strain clamp for power engineering, which is used for solving the problems that after the strain clamp is assembled with a wire, the tension born by the wire and the wire position at the wire pressing position are difficult to detect, and when the tension born by the wire is overlarge, the wire is easy to break or the wire and the strain clamp are separated.
(II) technical scheme
In order to achieve the above purpose, the present invention provides the following technical solutions: the strain clamp for the electric power engineering comprises a Y-shaped wire clamp shell, wherein a wire groove for fixing a wire is formed in the Y-shaped wire clamp shell, and the strain clamp further comprises a double wire pressing mechanism, a wire detection assembly and a traction wire feeding assembly;
the double wire pressing mechanism comprises two wire pressing assemblies, wherein the two wire pressing assemblies are arranged on the Y-shaped wire clamp shell and are used for performing double-gravity-channel wire pressing operation on a wire;
the wire detection assembly is arranged on the Y-shaped wire clamp shell, the wire detection assembly is positioned between the two wire pressing assemblies, and part of the wire detection assembly is positioned in the wire groove and used for detecting the position of a wire between the two wire pressing assemblies, and is convenient for inspection of line inspection staff;
the traction wire feeding assembly is detachably arranged on one side of the Y-shaped wire clamping shell and used for mounting the Y-shaped wire clamping shell and the position of a wire, and meanwhile, the traction wire feeding assembly can be used for overload protection of tension of the wire.
On the basis of the scheme, one of the wire pressing assemblies comprises at least three U-shaped bolts and wire pressing plates;
at least three the equal threaded connection of U type bolt is in on the Y type fastener shell, the line ball board with the looks adaptation between the wire recess, set up on the line ball board at least three with U type groove of U type bolt looks adaptation, at least three the U type bolt is located at least three respectively the inside in U type groove, wire recess with all install rubber slipmat and antiskid die on the line ball board, two rubber slipmat all sets up being close to at least one of Y type fastener shell one side U type bolt department, two antiskid die all sets up in another two at least U type bolt department.
As a preferred technical scheme of the application, the wire detection assembly comprises a detection groove plate, a detection rod and two air pressure tanks;
the detection rod is slidably mounted on the Y-shaped wire clamp shell, the detection groove plate is fixedly mounted at one end of the detection rod, which is located in the wire groove, a detection cavity is formed between the detection groove plate and the wire groove, the two detection groove plates are detachably and fixedly mounted on one side of the Y-shaped wire clamp shell through buckles, colored dye is filled in the two detection groove plates, the two detection groove plates are respectively provided with a tank cover in a sealing manner, a leakage rod is fixedly mounted between the tank covers, and the other end of the detection rod corresponds to the leakage rod.
As the preferable technical scheme of the application, the traction wire feeding assembly comprises a wire feeding rod, a wire feeding barrel and a mounting rack, wherein a part of the wire feeding rod is sleeved in the wire feeding barrel in a sliding way, and an overload protection part is arranged between the wire feeding rod and the wire feeding barrel;
the wire feeding rod is detachably and fixedly arranged on the Y-shaped wire clamping shell through a connecting bolt, the mounting rack is fixedly arranged on the wire feeding barrel, a piece changing barrel cover is detachably arranged on the wire feeding barrel, a limiting through hole is formed in the wire feeding rod, a limiting rod is slidably arranged in the limiting through hole, and the limiting rod is slidably arranged in the wire feeding barrel;
the overload protection part comprises a plurality of protection pieces, a plurality of overload protection grooves are symmetrically formed in the wire feeding rod, the diameters of the overload protection grooves are increased gradually along the direction from the Y-shaped wire clamping shell to the mounting frame, each protection piece comprises two broken piece protection blocks, the two broken piece protection blocks are symmetrically detachably and fixedly mounted on the wire feeding barrel, and the two broken piece protection blocks are located in the corresponding overload protection grooves.
In order to prevent this application and the wire between install the in-process, the wire mistake touch detects the frid and drives and detect the frid and move, detect the frid with fixed mounting has a plurality of breakable poles between the wire recess.
In order to facilitate detection of the breakage of the broken piece protection block, the wire feeding barrel is provided with two broken piece detection parts, the two broken piece detection parts are arranged on one side of the wire feeding barrel, and the two broken piece detection parts are respectively positioned on two sides of the wire feeding rod;
each broken piece detection part comprises a detection frame and a detection arrow, wherein the detection frame is detachably and fixedly arranged on the wire feeding barrel, and the detection arrow is fixedly arranged on the detection frame;
and detection grooves for detecting the positions of the broken piece protection blocks are formed in two sides of the wire feeding rod, and two detection arrows correspond to the detection grooves respectively.
(III) beneficial effects
Compared with the prior art, the invention provides the strain clamp for the power engineering, which has the following beneficial effects:
when the wire on the overhead line is installed, the Y-shaped wire clamping shell, the double wire pressing mechanism and the traction wire feeding mechanism are matched, so that the wire can be conveniently and rapidly pressed and installed on the overhead line or a tension insulator string of the overhead line, and the installation operation of the wire is realized;
according to the invention, after the wires are installed, the states of the wires between the two wire pressing assemblies can be detected in real time through the cooperation of the wire detecting assemblies, when the wires are in sliding dislocation between the two wire pressing assemblies due to poor crimping of the wire pressing assemblies of each group, warning signals can be released through the wire detecting assemblies, so that the observation of operators and line inspection staff is facilitated, the wires can be ensured to be reinforced in a shorter time, the occurrence of electric accidents is effectively reduced, and when the tension of the wires is increased due to the influence of external factors, the diameter of the wire feeding assembly is pulled to be prolonged when the tension on the wires reaches a critical value through the cooperation of the wire feeding assemblies, so that the tension of the wires is reduced, the overload protection treatment is performed on the wires, and the occurrence of breakage caused by overlarge stress of the wires can be effectively prevented, thereby the electric accidents can be effectively prevented;
therefore, the strain clamp for the power engineering is convenient for not only carrying out quick press-connection installation operation on the wire on the overhead line, but also carrying out real-time detection on the wire after press-connection after the wire is installed, effectively reducing the occurrence of the separation of the wire and the strain clamp caused by poor press-connection, and also being convenient for carrying out overload protection on the tension on the wire, effectively preventing the wire from breaking due to overlarge tension, greatly reducing the occurrence of power accidents, and having stronger applicability.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is evident that the drawings in the following description are only some embodiments of the present invention and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.
FIG. 1 is a schematic view of a partially sectioned perspective structure of the present invention;
FIG. 2 is a schematic perspective view of the whole structure of the present invention;
FIG. 3 is a schematic perspective view of another preferred angle of the whole of the present invention;
FIG. 4 is a perspective view of still another preferred angle of the present invention as a whole;
FIG. 5 is a schematic view of a partial enlarged structure of the present invention at A in FIG. 1;
FIG. 6 is a schematic view of a partially enlarged structure of the present invention at B in FIG. 1;
fig. 7 is a schematic view of a partially enlarged structure of fig. 1C according to the present invention.
Reference numerals in the drawings represent respectively: 001. a wire pressing assembly; 002. a wire detection assembly; 003. traction wire feeding assembly;
1. y-shaped wire clamping shell; 2. u-shaped bolts; 3. a wire pressing plate; 4. a rubber anti-slip pad; 5. an anti-slip die; 6. detecting a groove plate; 7. a detection rod; 8. an air pressure tank; 9. a can lid; 10. a gas release rod; 11. a wire feeding rod; 12. a wire feeding cylinder; 13. a mounting frame; 14. a connecting bolt; 15. a piece changing cylinder cover; 16. a limit rod; 17. a broken piece protection block; 18. the rod is easy to break; 19. a detection frame; 20. the arrow is detected.
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 to 7, a strain clamp for electric power engineering includes a Y-shaped clamp housing 1, a wire groove for fixing a wire is formed in the Y-shaped clamp housing 1, and a double wire pressing mechanism, a wire detecting assembly 002 and a traction wire feeding assembly 003 are further included;
the double wire pressing mechanism comprises two wire pressing assemblies 001, wherein the two wire pressing assemblies 001 are arranged on the Y-shaped wire clamp shell 1 and are used for performing double-gravity-channel wire pressing operation on a wire;
wherein one wire pressing assembly 001 comprises at least three U-shaped bolts 2 and a wire pressing plate 3, the at least three U-shaped bolts 2 are connected on the Y-shaped wire clamping shell 1 in a threaded manner, the wire pressing plate 3 is matched with the wire grooves, at least three U-shaped grooves matched with the U-shaped bolts 2 are formed in the wire pressing plate 3, the at least three U-shaped bolts 2 are respectively and partially positioned in the at least three U-shaped grooves, a rubber anti-slip pad 4 and an anti-slip die 5 are respectively arranged on the wire grooves and the wire pressing plate 3, the two rubber anti-slip pads 4 are respectively arranged at the at least one U-shaped bolt 2 close to one side of the Y-shaped wire clamping shell 1, the two anti-slip dies 5 are respectively arranged at the other at least two U-shaped bolts 2, and particularly, when a wire is rapidly pressed with the Y-shaped wire clamping box through the wire pressing assembly 001, the wire is only required to be placed into the inside of the wire groove, the wire pressing plate 3 is driven to move through the fastening bolts, the wire pressing plate 3 is pressed and connected to the inside of the wire groove, and the wire pressing plate is provided with the rubber anti-slip pad 4 and the anti-slip die 5, the wire pressing plate is provided with at least three U-shaped bolts 2, mainly at least one U-shaped bolt 2 is required to firmly fix the position of the wire by the rubber anti-slip pad 4, the anti-slip die 5 is firmly clamped by at least two U-shaped bolts 2, the principle is that after the wire is clamped by the rubber anti-slip pad 4, if the press connection is bad, the rubber anti-slip pad 4 is driven to deform in the process of slightly moving the wire inside the wire groove, the rubber anti-slip pad 4 after deformation can increase the friction force between the wire and the wire groove and the wire pressing plate 3, the separation between the wire and the strain clamp is prevented as much as possible, simultaneously set up the protection die, increase the stability of wire in wire recess inside equally, the difference is through setting up anti-skidding die 5, can be better conduct the electric current on the wire, this application is through setting up two line ball subassembly 001, although the work load that increases the installer in the difference degree back, but after the installation is accomplished, the stability of wire can improve greatly, even if one of them line ball subassembly 001 leads to the wire to slide because of the crimping is bad, another group also can play fine fixed action, the security performance is better.
Above-mentioned, wire detection subassembly 002 installs on Y type fastener shell 1, and wire detection subassembly 002 is located between two line ball subassemblies 001 to the part of wire detection subassembly 002 is located the inside of wire recess, is used for detecting the position of wire between two line ball subassemblies 001, and is convenient for inspection of line inspection personnel;
wherein the wire detection assembly 002 comprises a detection groove plate 6, a detection rod 7 and two air pressure tanks 8, wherein the detection rod 7 is slidably mounted on the Y-shaped wire clamp shell 1, the detection groove plate 6 is fixedly mounted at one end of the detection rod 7 positioned in a wire groove, a detection cavity is formed between the detection groove plate 6 and the wire groove, the two air pressure tanks 8 are detachably and fixedly mounted at one side of the Y-shaped wire clamp shell 1 through buckles, colored dye is filled in the two air pressure tanks 8, tank covers 9 are hermetically arranged on the two air pressure tanks 8, a venting rod 10 is fixedly mounted between the two tank covers 9, the other end of the detection rod 7 corresponds to the venting rod 10, specifically, after the wire is crimped through the two wire pressing assemblies 001, the reserved wire between the two wire pressing assemblies 001 is placed on the detection groove plate 6, in order to prevent the wire pressing assemblies 001 from being crimped in the wire pressing process, the wire mistakenly touches the detection groove plate 6 to drive the detection groove plate 6 to move, a plurality of easy-breaking rods 18 are fixedly arranged between the detection groove plate 6 and the wire groove, when one wire pressing component 001 causes the wire to move in the wire groove due to poor compression, the wire is tightly stressed, the easy-breaking rods 18 are broken in the tightening process, the detection groove plate 6 is driven to move through the wire tightly stretched, the detection cavity is reduced, the detection groove plate 6 drives the detection rod 7 to move, the detection rod 7 touches the air release rod 10 in the moving process, the air release rod 10 drives the tank covers 9 on two sides of the air release rod to move, the tank covers 9 are separated from the air pressure tank 8, the colored dye in the air pressure tank 8 is sprayed out, the sprayed colored dye sprays the local strain clamp, after the inspection worker observes the strain clamp abnormal, the problem between the wire and the strain clamp can be known, the maintenance personnel can be informed to check, in the actual installation process, colored gas or thick fog can be filled in the air pressure tank 8, the diameter of the tank cover 9 is reduced, the air in the air pressure tank 8 can be maintained for a long time when being discharged, the maintenance time is at least maintained in at least one inspection period, on some important power transmission lines, a smoke sensor can be additionally arranged to detect the gas discharged in the air pressure tank 8, and the wires are detected in real time, so that the wires are replaced by the maintenance personnel after the air pressure tank 8 warns, and the wires are reserved in a sufficient quantity in the wire groove when the maintenance personnel replace the wires after the air pressure tank 8 warns, so that the wire position is not required to be re-reinforced, and the air pressure tank 8 can be replaced by buckling.
The traction wire feeding assembly 003 is detachably arranged on one side of the Y-shaped wire clamping shell 1 and used for mounting the Y-shaped wire clamping shell 1 and the positions of the wires and protecting the tension of the wires from overload;
wherein, the traction wire feeding assembly 003 comprises a wire feeding rod 11, a wire feeding barrel 12 and a mounting bracket 13, a part of the wire feeding rod 11 is sleeved in the wire feeding barrel 12 in a sliding way, an overload protection part is arranged between the wire feeding rod 11 and the wire feeding barrel 12, the wire feeding rod 11 is detachably and fixedly arranged on a Y-shaped wire clamping shell 1 through a connecting bolt 14, the mounting bracket 13 is fixedly arranged on the wire feeding barrel 12, a part changing barrel cover 15 is detachably arranged on the wire feeding barrel 12, a limit through hole is arranged on the wire feeding rod 11, a limit rod 16 is arranged in the limit through hole in a sliding way, the limit rod 16 is arranged in the wire feeding barrel 12 in a sliding way, the overload protection part comprises a plurality of protection pieces, a plurality of overload protection grooves are symmetrically arranged on the wire feeding rod 11, the diameters of the overload protection grooves are gradually increased along the direction from the Y-shaped wire clamping shell 1 to the mounting bracket 13, each protection piece comprises two part breaking protection blocks 17, the two broken piece protection blocks 17 are symmetrically and detachably and fixedly arranged on the wire feeding barrel 12, the parts of the two broken piece protection blocks 17 are both positioned in the corresponding overload protection grooves, specifically, when the wires are fixedly arranged by traction of the wire feeding component 003, the Y-shaped wire clamping shell 1 and the wire pressing component 001, the wires are pulled and straightened by external traction equipment, then the wires are placed in the wire grooves, the wire feeding rod 11 is arranged on the Y-shaped wire clamping shell 1 by the connecting bolts 14, the wires are quickly pressed and connected in the wire grooves by the wire pressing component 001 parallel to the traction wire feeding component 003, then the mounting frame 13 is fixed on the overhead line or a tension insulator string on the overhead line, the primary fixing of the wires can be finished, the external traction equipment can be slowly slowed down at this moment, the wire pressing effect of the single-group wire pressing component 001 is tried to see, and after the wire pressing has no problem, tensioning the wire again, if the wire needs to be cut off, bending the reserved part to the other group of wire pressing assemblies 001 after the wire with enough length is reserved, performing secondary crimping on the wire to realize double fixing of the wire, and if the wire needs to be turned, bending the wire to perform secondary crimping on the wire, so that the fixing operation of the wire can be completed;
after the wire is fixed, if the wire is influenced by external factors to cause the tension of the wire to be increased, such as the influence of strong wind and the like, a broken piece protection block 17 for breaking protection is arranged in the limit stress range of the wire, specifically, when the wire is stressed too much, the broken piece protection block 17 breaks, so that the wire feeding rod 11 slides in the wire feeding barrel 12 and is used for increasing the length of the traction wire feeding assembly 003 so as to reduce the stress of the wire;
in order to facilitate detection of the broken piece protection block 17, line inspection personnel can check the broken piece protection block 17, two broken piece detection parts are arranged on the line feeding barrel 12 and are arranged on one side of the line feeding barrel 12, the two broken piece detection parts are respectively positioned on two sides of the line feeding rod 11, each broken piece detection part comprises a detection frame 19 and a detection arrow 20, the detection frames 19 are detachably and fixedly arranged on the line feeding barrel 12, the detection arrows 20 are fixedly arranged on the detection frames 19, detection grooves for detecting the broken piece protection block 17 are respectively formed in two sides of the line feeding rod 11, the two detection arrows 20 correspond to the two detection grooves, and particularly, a line inspection personnel can observe the positions of the detection shear points to the detection grooves through a telescope, so that the broken piece protection block 17 can be known, and when the broken piece protection block 17 exceeds a specified value, the broken piece protection block 17 can be replaced;
specifically, when the broken piece protection block 17 is replaced, firstly, the wire on one side of the Y-shaped wire clamp shell 1 or the Y-shaped wire clamp shell 1 is straightened through external traction equipment, the mounting frame 13 is detached from the mounting object, the broken piece protection block 17 mounted on the wire feeding barrel 12 is removed, the wire feeding rod 11 and the wire feeding barrel 12 are restored to the initial state, the broken piece protection block 17 broken in the wire feeding barrel 12 is taken out from the position where the broken piece protection block 17 is mounted, and a new broken piece protection block 17 is replaced, if the broken piece protection block 17 broken in the wire feeding barrel 12 after breaking is severely deformed, and the broken piece protection block 17 is difficult to be taken out from the position where the broken piece protection block 17 is mounted, all the broken piece protection blocks 17 can be detached, then the piece replacement cylinder cover 15 is detached, the position between the wire feeding rod 11 and the wire feeding cylinder 12 is changed by sliding, the limiting rod 16 in the wire feeding rod 11 moves to the outside of the wire feeding cylinder 12, the limiting rod 16 is taken out of the limiting through hole, then the wire feeding rod 11 is pulled out of the wire feeding cylinder 12, the broken piece protection blocks 17 in the wire feeding cylinder 12 and the overload protection groove are cleaned, after the broken piece protection blocks 17 are cleaned, the wire feeding rod 11, the wire feeding cylinder 12, the limiting rod 16 and the piece replacement cylinder cover 15 are reassembled, and then after the brand-new broken piece protection blocks 17 are replaced, the mounting frame 13 is mounted to the original position, so that the replacement of the broken piece protection blocks 17 can be completed;
in another embodiment of the wire detection assembly 002, in the process of installing the broken piece protection block 17, the broken piece protection block 17 closest to the broken piece protection block 17 on the Y-shaped wire clamping shell 1 can be replaced with a broken piece protection block 17 with relatively smaller bearing force, the bearing force is tension in a natural state after the wire, the wire detection assembly is applicable to the outside traction equipment without a tension detection system in the process of installing, the wire can be used as a bridge after the wire is fixed by the tension clamp for better installation, the installation frame 13 is installed on the traction equipment, the tension clamp is pulled to move by the traction equipment, the wire is driven to move by the tension clamp, after the broken piece protection block 17 closest to the Y-shaped wire clamping shell 1 breaks, the wire can be proved to be in a target tension state, in this state, the position of the wire is fixed by the traction equipment, the position of the wire is fixed by the tension clamp again, and the installation quality of the wire can be ensured.
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 (6)
1. The utility model provides a strain clamp for electric power engineering, includes Y type fastener shell (1), the wire recess that is used for fixed wire has been seted up to the inside of Y type fastener shell (1), its characterized in that still includes:
the double wire pressing mechanism comprises two wire pressing assemblies (001), and the two wire pressing assemblies (001) are both arranged on the Y-shaped wire clamp shell (1) and used for performing double-gravity-channel wire pressing operation on a wire;
the wire detection assembly (002), the wire detection assembly (002) is installed on the Y-shaped wire clamp shell (1), the wire detection assembly (002) is located between the two wire pressing assemblies (001), and part of the wire detection assembly (002) is located inside the wire groove and used for detecting the position of a wire between the two wire pressing assemblies (001), and is convenient for inspection of a line inspection person;
traction send line subassembly (003), traction send line subassembly (003) demountable installation is in one side of Y type fastener shell (1) for install Y type fastener shell (1) and the position of wire, can be used to carry out overload protection to the tension of wire simultaneously.
2. Strain clamp for electrical engineering according to claim 1, characterized in that one of the wire clamping assemblies (001) comprises at least three U-bolts (2) and wire clamping plates (3);
at least three equal threaded connection of U type bolt (2) is in on Y type fastener shell (1), line ball board (3) with the looks adaptation between the wire recess, set up on line ball board (3) at least three with U type groove of U type bolt (2) looks adaptation, at least three U type bolt (2) are located at least three respectively the inside in U type groove, wire recess with all install rubber slipmat (4) and antiskid die (5) on line ball board (3), two rubber slipmat (4) all set up be close to at least one of Y type fastener shell (1) one side U type bolt (2) department, two antiskid die (5) all set up in another two at least U type bolt (2) departments.
3. The strain clamp for electric power engineering according to claim 2, wherein the wire detection assembly (002) comprises a detection groove plate (6), a detection rod (7) and two air pressure tanks (8);
detection pole (7) slidable mounting is in on Y type fastener shell (1), detection frid (6) fixed mounting is in detection pole (7) are located one end in the wire recess, detection frid (6) with form between the wire recess and detect the cavity, two air pressure jar (8) are all through buckle detachable fixed mounting one side of Y type fastener shell (1), two the inside of air pressure jar (8) is all filled with the colored dyestuff, and two all seal is provided with cover (9) on air pressure jar (8), two fixed mounting has between cover (9) and lets out gas pole (10), the other end of detection pole (7) with it is corresponding between letting out gas pole (10).
4. A strain clamp for electric power engineering according to claim 3, characterized in that the traction wire feeding component (003) comprises a wire feeding rod (11), a wire feeding barrel (12) and a mounting frame (13), a part of the wire feeding rod (11) is slidably sleeved in the wire feeding barrel (12), and an overload protection part is arranged between the wire feeding rod (11) and the wire feeding barrel (12);
the wire feeding rod (11) is detachably and fixedly arranged on the Y-shaped wire clamping shell (1) through a connecting bolt (14), the mounting rack (13) is fixedly arranged on the wire feeding barrel (12), a wire changing barrel cover (15) is detachably arranged on the wire feeding barrel (12), a limiting through hole is formed in the wire feeding rod (11), a limiting rod (16) is slidably arranged in the limiting through hole, and the limiting rod (16) is slidably arranged in the wire feeding barrel (12);
the overload protection part comprises a plurality of protection pieces, a plurality of overload protection grooves are symmetrically formed in the wire feeding rod (11), the diameters of the overload protection grooves are increased gradually along the direction from the Y-shaped wire clamping shell (1) to the mounting rack (13), each protection piece comprises two broken piece protection blocks (17), the two broken piece protection blocks (17) are symmetrically and detachably and fixedly installed on the wire feeding barrel (12), and the two broken piece protection blocks (17) are located in the corresponding overload protection grooves.
5. The strain clamp for electric power engineering according to claim 4, wherein a plurality of frangible rods (18) are fixedly installed between the detection groove plate (6) and the wire groove.
6. The tension clamp for electric power engineering according to claim 5, wherein the wire feeding barrel (12) is provided with two broken piece detection parts, the two broken piece detection parts are arranged on one side of the wire feeding barrel (12), and the two broken piece detection parts are respectively positioned on two sides of the wire feeding rod (11);
each broken piece detection part comprises a detection frame (19) and a detection arrow (20), the detection frames (19) are detachably and fixedly arranged on the wire feeding barrel (12), and the detection arrows (20) are fixedly arranged on the detection frames (19);
the two sides of the wire feeding rod (11) are provided with detection grooves for detecting the positions of the broken piece protection blocks (17), and two detection arrows (20) respectively correspond to the two detection grooves.
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| CN116454810B (en) | 2024-01-05 |
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