CN111162483A - Stress application replacing device for lead screw of insulator of angle steel cross arm - Google Patents
Stress application replacing device for lead screw of insulator of angle steel cross arm Download PDFInfo
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- CN111162483A CN111162483A CN202010088711.4A CN202010088711A CN111162483A CN 111162483 A CN111162483 A CN 111162483A CN 202010088711 A CN202010088711 A CN 202010088711A CN 111162483 A CN111162483 A CN 111162483A
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- cross arm
- fixed seat
- angle steel
- rod
- nut
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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
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
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Abstract
The application discloses angle steel cross arm insulator lead screw afterburning change device includes: angle steel cross arm clamps and retractors; the angle steel cross arm clamp comprises a fixed seat, a locking block, a limiting block and a first screw rod; the first end part of the fixed seat is provided with a claw part; a groove for the first side plate part of the angle steel cross arm to movably extend into is formed between the hook claw part and the fixed seat; the first end of the fixed seat is provided with a through groove towards the second end; the locking block is sleeved on the first screw rod and is provided with a clamping part which is clamped and matched with the angle steel cross arm; the limiting block is arranged on the position of the through groove of the fixed seat; the first end of the first screw rod extends out of the limiting block through the groove, and a rod head is arranged at the first end of the first screw rod, which extends out of the limiting block; the rod head and the locking block clamp and fix the fixed seat and the angle steel cross arm; the traction device comprises a screw rod assembly and a pull rod; the screw rod assembly comprises a second screw rod, a first nut and a handle. The installation is dismantled simply, and convenient to use guarantees the insulator and changes efficiency.
Description
Technical Field
The application relates to the technical field of electric power operation, in particular to a stress application replacing device for an insulator lead screw of an angle steel cross arm.
Background
The replacement of the linear insulator frequently occurs in the daily maintenance of the power transmission line, and the replacement of the insulator needs to be completed by a corresponding replacement device. The existing insulator replacing device mainly comprises a fixing clamp on a fixing cross arm and a traction device arranged on the fixing clamp. In the replacement operation, the fixing clamp is firstly installed on the cross arm of the tower, then the wire is pulled up through the traction device installed on the fixing clamp, the insulator string is upwards pulled and supported, and the replacement of the insulator string between the cross arm and the wire is facilitated. However, the existing replacing device for the angle iron cross arm is complex in installation and disassembly and inconvenient to use, and the insulator replacing efficiency is influenced.
Disclosure of Invention
In view of this, the purpose of this application is to provide angle steel cross arm insulator lead screw afterburning change device, and the installation is dismantled simply, and convenient to use guarantees the insulator and changes efficiency.
In order to reach above-mentioned technical purpose, this application provides angle steel cross arm insulator lead screw afterburning change device, includes: angle steel cross arm clamps and retractors;
the angle steel cross arm clamp comprises a fixed seat, a locking block, a limiting block and a first screw rod;
a hook claw part is arranged at the first end part of the fixed seat;
a groove for the first side plate part of the angle steel cross arm to movably extend into is formed between the hook claw part and the fixed seat;
the second end part of the fixed seat extends out of the angle steel cross arm along the direction far away from the hook claw part, and a through groove which penetrates through the fixed seat and is arranged along the first end part of the fixed seat to the second end part is formed in the fixed seat;
the locking block is sleeved on the first screw rod and is provided with a clamping part which is clamped and matched with the angle steel cross arm;
the limiting block is arranged on the fixed seat at the position of the through groove;
the first end of the first screw rod extends out of the limiting block through the through groove, and a rod head is arranged at the first end of the first screw rod, which extends out of the limiting block;
the fixed seat and the angle steel cross arm are clamped and fixed between the rod head and the locking block;
the traction device comprises a screw rod assembly and a pull rod;
the screw rod assembly comprises a second screw rod, a first nut and a handle;
the first end of the second screw rod penetrates through the fixed seat upwards to extend out of the angle steel cross arm, and the second end of the second screw rod is connected with the first end of the pull rod;
the pull rod is connected with the lead through a connecting piece;
the first nut is rotatably sleeved on the second screw rod on the shaft section extending out of the angle steel cross arm and is in threaded fit with the second screw rod, and the bottom of the first nut is in contact with and abuts against the top of the fixed seat;
the handle is connected with the first nut and used for driving the first nut to rotate.
Further, the device also comprises a connecting shaft;
a first through hole for the first end of the screw to movably penetrate is formed in the connecting shaft, and two limiting shafts distributed along the same straight line are symmetrically arranged on the outer peripheral wall of the connecting shaft;
the fixed seat is provided with a clamping groove for the limit shaft to be movably clamped in;
an inherent axial bearing is embedded in the first through hole;
the first nut is installed on the connecting shaft, and the bottom of the first nut is connected with the axial bearing.
Further, the first nut sleeve is fixed with a gear which rotates synchronously with the first nut;
the first end part of the handle is sleeved on the gear, and a clamping block is rotatably arranged at one side of the gear in the first end part of the handle;
the clamping tooth part which is movably clamped into the gear tooth groove is arranged on the clamping block;
the clamping block is connected with a shifting lever extending out of the handle.
Further, the connecting piece comprises a rod sleeve part and a locking part;
the rod sleeve part is sleeved on the pull rod;
the locking part is connected with the rod sleeve part and is provided with a locking hole for the wire to movably pass through.
Furthermore, a lock pin is detachably connected between the locking part and the rod sleeve part;
the locking hole is defined by the locking pin, the locking part and the rod sleeve part.
Furthermore, a plurality of first fixing holes penetrating through the pull rod are formed in the pull rod at intervals along the length direction;
and a second fixing hole which penetrates through the rod sleeve part and is matched with the first fixing hole is formed in the rod sleeve part.
Furthermore, a second nut in threaded fit with the first screw rod is sleeved on the first screw rod;
the second nut is contacted and propped against the locking block.
Furthermore, a threaded hole is formed in the claw part;
a fastener matched with the threaded hole in a threaded manner is inserted into the threaded hole;
the first end of the fastener passes through the threaded hole and is in contact and abutting contact with the inner side wall of the first side plate part of the fixing seat.
Furthermore, a plurality of tooth sockets which are distributed at intervals along the direction from the first end to the second end of the fixed seat are arranged at the bottom of the limiting block;
the fixing base top is equipped with and follows fixing base first end distributes to second end direction interval, and with tooth's socket complex dogtooth.
Furthermore, a protruding part is arranged at the top of the limiting block, and a second through hole of the limiting block penetrates through the protruding part;
the rod head is contacted and propped against the bulge.
According to the technical scheme, the angle steel cross arm fixture is constructed through setting up fixing base, locking piece, stopper and screw rod, during the use, utilizes hook claw portion and angle steel cross arm's first curb plate card to stop the cooperation, makes on the locking piece card stop portion and angle steel cross arm's second curb plate cooperation again to make between the pole head of locking piece and screw rod press from both sides fixing base and angle steel cross arm, and then realize the fastening to the fixing base. Through the structural design, the whole installation is dismantled simply, and the tractive ware that collocation screw rod, nut and handle constitute simultaneously rotates through handle drive nut in order to realize the lead screw thread fit between nut and the screw rod to make the screw rod take place the relative displacement of vertical direction, and then can upwards tractive wire. The whole use is convenient, and the replacement efficiency of the insulator is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a schematic view of a use structure of a stress application replacing device for a lead screw of an angle iron cross arm insulator provided in the present application;
FIG. 2 is an enlarged view of the position A in FIG. 1;
fig. 3 is a first partially enlarged schematic view of a stress application replacement device for a lead screw of an angle iron cross arm insulator provided in the present application;
fig. 4 is a second partially enlarged schematic view of an angle cross arm insulator lead screw stressing replacing device provided in the present application;
fig. 5 is a schematic view of a first mounting and using structure of an angle cross arm clamp of the stress application replacement device for an angle cross arm insulator lead screw provided in the present application;
fig. 6 is a schematic view of a second mounting and using structure of an angle cross arm clamp of the stress application replacement device for an angle cross arm insulator lead screw provided in the present application;
fig. 7 is a first axial side schematic view of an angle cross arm clamp of the angle cross arm insulator screw stressing replacing device provided in the present application;
fig. 8 is a second axial side schematic view of an angle cross arm clamp of the angle cross arm insulator screw stressing replacing device provided in the present application;
fig. 9 is an exploded schematic view of an angle cross arm clamp of the angle cross arm insulator screw stressing replacing device provided in the present application;
in the figure: 1. a fixed seat; 11. a claw portion; 111. a threaded hole; 12. a through groove; 121. a convex tooth; 13. a first mounting groove; 131. a card slot; 14. an extension block; 141. a second mounting groove; 2. a limiting block; 21. a boss portion; 211. a third fixing hole; 22. a tooth socket; 23. a second through hole; 3. a first screw; 31. a club head; 311. a fourth fixing hole; 32. a second nut; 4. a locking block; 41. a locking part; 5. an angle steel cross arm; 51. a first side plate portion; 52. a second side plate portion; 61. a second screw; 62. pulling a rod; 621. a first fixing hole; 63. a first nut; 631. a gear; 64. a handle; 640. a cover sheet; 641. a clamping block; 642. a deflector rod; 65. a connecting member; 651. a lever sleeve portion; 6511. a second fixing hole; 652. a locking portion; 653. a lock pin; 66. a connecting shaft; 661. a limiting shaft; 7. a wire; 8. an insulator.
Detailed Description
The technical solutions of the embodiments of the present application will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all, of the embodiments of the present application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without any creative effort belong to the protection scope of the embodiments in the present application.
In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present application, it should be noted that the terms "mounted," "connected," and "connected" are used broadly and are defined as, for example, a fixed connection, an exchangeable connection, an integrated connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements, unless otherwise explicitly stated or limited. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.
The embodiment of the application discloses a stress application replacing device for an insulator screw rod of an angle iron cross arm.
Referring to fig. 1, an embodiment of a device for replacing a screw rod of an angle iron cross-arm insulator according to the present application includes:
angle steel cross arm clamps and retractors; the angle steel cross arm clamp comprises a fixed seat 1, a locking block 4, a limiting block 2 and a first screw rod 3; a claw part 11 is arranged at the first end part of the fixed seat 1; a groove for the first side plate part 51 of the angle steel cross arm 5 to movably extend into is formed between the hook claw part 11 and the fixed seat 1; the second end part of the fixed seat 1 extends out of the angle steel cross arm 5 along the direction far away from the claw part 11, and the fixed seat 1 is provided with a through groove 12 which penetrates through the fixed seat 1 and is arranged along the first end part of the fixed seat 1 to the second end part; the locking block 4 is sleeved on the first screw rod 3 and is provided with a clamping part 41 which is clamped and matched with the angle steel cross arm 5; the limiting block 2 is arranged on the position of the through groove 12 of the fixed seat 1; a first end of the first screw 3 extends out of the limiting block 2 through the through groove 12, and a rod head 31 is arranged at the first end of the first screw 3 extending out of the limiting block 2; the club head 31 and the locking block 4 clamp and fix the fixed seat 1 and the angle steel cross arm 5; the retractor comprises a screw rod assembly and a pull rod 62; the screw rod assembly comprises a second screw rod 61, a first nut 63 and a handle 64; the first end of the second screw rod 61 upwards penetrates through the fixed seat 1 at the position extending out of the angle steel cross arm 5, and the second end is connected with the first end of the pull rod 62; the pull rod 62 is connected with the lead 7 through a connecting piece 65; the first nut 63 is rotatably sleeved on the second screw 61 on the shaft section extending out of the angle steel cross arm 5 and is in threaded fit with the second screw 61, and the bottom of the first nut 63 is in contact with and abutted against the top of the fixed seat 1; the handle 64 is connected to the first nut 63 for driving the first nut 63 to rotate.
Specifically, as shown in fig. 1, the claw portion 11 and the fixing base 1 may be integrally formed, the opening direction of the groove formed between the claw portion 11 and the fixing base 1 may be the direction from the first end to the second end of the fixing base 1, and when the fixing base is mounted, the fixing base 11 is held and the first side plate 51 is inserted into the opening direction of the groove, so that the claw portion 11 and the first side plate 51 are engaged with each other; the second tip of fixing base 1 stretches out angle steel cross arm 5 along keeping away from 11 directions of hook portion, and when it conveniently provided 2 installation stations of stopper, also conveniently provided tractive ware work station, the installation of the tractive ware of being convenient for is fixed. The cross section of the through groove 12 can be in a shape of a long waist circle, the larger the length is, the larger the position range for the first screw rod 3 and the limiting block 2 to move and adjust is, the larger the volume of the fixing seat 1 is, and the skilled person can make appropriate adjustment and transformation according to actual needs without limitation. The limiting block 2 is used for limiting and preventing slipping, and after the position of the first screw 3 is adjusted, the locking block 4 can be fastened after being aligned with the second side plate portion 52, so that the clamping and fixing between the locking block 4 and the rod head 31 of the first screw 3 and the fixing seat 1 and the second side plate portion 52 are formed. During the dismantlement, can loosen locking piece 4 earlier, remove first screw rod 3 and stopper 2 again in order to withdraw from the locking piece 4 and the cooperation of stopping of second curb plate portion 52, take out fixing base 1 again, accomplish the dismantlement. In addition, the second end of the second screw 61 may be provided with a U-shaped connector as shown in fig. 1, which is conveniently connected to the first end of the pull rod 62. The first end of the second screw 61 upwards passes through the fixed seat 1 and then is matched with the first nut 63, and the bottom of the first nut 63 is contacted and pressed against the top of the fixed seat 1, that is, the fixed seat 1 can be used for supporting the first nut 63 and does not influence the rotation of the first nut 63, and the first nut 63 can be directly connected with the fixed seat 1 in a rotating manner through an axial bearing (not shown). After installing angle steel cross arm fixture and tractive ware, rotate handle 64 for take place lead screw thread fit between first nut 63 and the second screw rod 61, because first nut 63 receives the limiting displacement of fixing base 1, ascending relative displacement just can take place for the second screw rod 61 this moment, thereby drive pull rod 62 and shift up, and then upwards tractive wire 7, make things convenient for subsequent insulator 8 to change. In the process, the position of the fixing seat 1 where the retractor is installed can be subjected to a downward acting force, and the fixing seat 1 can be fixed by pulling through the hook claw at the moment to provide a force for balancing the acting force, so that the fixing seat 1 can be stably installed on the angle steel cross arm 5 and provide stable support for the retractor. In order to ensure that the installation of the fixed seat 1 is more stable, the contact surface between the bottom of the abutting part and the top of the angle steel cross arm 5 can be designed to be larger, and the contact surface can be properly changed according to actual needs.
The above is a first embodiment of the stress application and replacement device for the lead screw of the angle iron cross arm insulator provided in the embodiment of the present application, and the following is a second embodiment of the stress application and replacement device for the lead screw of the angle iron cross arm insulator provided in the embodiment of the present application, specifically referring to fig. 1 to 9.
The utility model provides an angle steel cross arm insulator lead screw afterburning change device, includes: angle steel cross arm clamps and retractors; the angle steel cross arm clamp comprises a fixed seat 1, a locking block 4, a limiting block 2 and a first screw rod 3; a claw part 11 is arranged at the first end part of the fixed seat 1; a groove for the first side plate part 51 of the angle steel cross arm 5 to movably extend into is formed between the hook claw part 11 and the fixed seat 1; the second end part of the fixed seat 1 extends out of the angle steel cross arm 5 along the direction far away from the claw part 11, and the fixed seat 1 is provided with a through groove 12 which penetrates through the fixed seat 1 and is arranged along the first end part of the fixed seat 1 to the second end part; the locking block 4 is sleeved on the first screw rod 3 and is provided with a clamping part 41 which is clamped and matched with the angle steel cross arm 5; the limiting block 2 is arranged on the position of the through groove 12 of the fixed seat 1; a first end of the first screw 3 extends out of the limiting block 2 through the through groove 12, and a rod head 31 is arranged at the first end of the first screw 3 extending out of the limiting block 2; the club head 31 and the locking block 4 clamp and fix the fixed seat 1 and the angle steel cross arm 5; the retractor comprises a screw rod assembly and a pull rod 62; the screw rod assembly comprises a second screw rod 61, a first nut 63 and a handle 64; the first end of the second screw rod 61 upwards penetrates through the fixed seat 1 at the position extending out of the angle steel cross arm 5, and the second end is connected with the first end of the pull rod 62; the pull rod 62 is connected with the lead 7 through a connecting piece 65; the first nut 63 is rotatably sleeved on the second screw 61 on the shaft section extending out of the angle steel cross arm 5 and is in threaded fit with the second screw 61, and the bottom of the first nut 63 is in contact with and abutted against the top of the fixed seat 1; the handle 64 is connected to the first nut 63 for driving the first nut 63 to rotate.
Further, a connecting shaft 66 is also included; a first through hole for the first end of the second screw 61 to movably pass through is arranged in the connecting shaft 66, and two limiting shafts 661 which are distributed along the same straight line are symmetrically arranged on the outer peripheral wall of the connecting shaft 66; the fixed seat 1 is provided with a clamping groove 131 for the limit shaft 661 to be movably clamped in; an inherent axial bearing (not shown) is embedded in the first through hole; the first nut 63 is mounted on the connecting shaft 66, and the bottom of the first nut 6363 is connected with the axial bearing.
Specifically, in order to facilitate the connection between the first nut 63 and the fixing base 1, a connecting shaft 66 may be provided, and the connecting shaft 66 is fixed on the fixing base 1 through a limiting shaft 661, wherein as shown in fig. 2, a limiting piece (not shown) is additionally provided on the slot 131 for limiting the movement of the limiting shaft 661, so that the connecting shaft 66 is more stably installed. An axial bearing can be arranged in the connecting shaft 66, and the first nut 63 can be connected with the connecting shaft 66 through the axial bearing, so that the connection with the fixed seat 1 is realized; the first nut 63 can be elevated by the connecting shaft 66 to a certain distance from the top of the fixing base 1, thereby facilitating the rotation of the handle 64. Those skilled in the art can make appropriate changes based on the above without limitation.
Further, the first nut 63 is fixed with a gear 631 that rotates synchronously with the first nut 63; the first end of the handle 64 is sleeved on the gear 631, and the locking block 641 is rotatably disposed at one side of the gear 631 in the first end of the handle 64; the clamping block 641 is provided with a clamping tooth part which is movably clamped into the tooth groove 22 of the gear 631; a lever 642 extending from handle 64 is attached to catch 641.
Specifically, as shown in fig. 1 to 4, a first end portion of the handle 64 is engaged with the second screw 61 and the first nut 63, wherein a bypass cavity is provided in the first end portion of the handle 64, and can be used for bypassing the gear 631 and installing the stop block 641, and a first opening for the gear 631 to extend into is provided at the bottom of the first end portion of the handle 64, and a second opening for the second screw 61 to extend out is provided at the top of the first end portion; in order to facilitate maintenance and replacement of the locking block 641, a cover 640 may be detachably disposed on the top of the first end of the handle 64, and fig. 3 is a state diagram of removing the cover 640, so that the locking block 641 can be protected and the locking block 641 can be maintained conveniently.
Further, the connecting member 65 includes a lever sleeve portion 651 and a locking portion 652; the rod sleeve part 651 is sleeved on the pull rod 62; the locking portion 652 is connected to the lever sleeve portion 651, and is provided with a locking hole through which the lead 7 movably passes.
Specifically, as shown in fig. 1 and 4, the locking portion 652 may be an L-like structure that may be integrally formed with the sleeve portion 651. The locking part 652 can hook the wire 7, so that the wire 7 can be conveniently driven to move upwards; of course, the locking portion 652 may have a jaw structure capable of clamping the wire 7. The structure of the locking portion 652 is not particularly limited.
Further, a lock pin 653 is detachably connected between the locking portion 652 and the lever sleeve portion 651; the locking pin 653, the locking portion 652, and the lever sleeve portion 651 define a locking aperture therebetween. The locking part 652 is of an L-shaped structure, a lock pin 653 can be added, the locking part 652 is connected with the lead 7 more firmly and is easy to detach by using the lock pin 653, and the use is more convenient.
Furthermore, a plurality of first fixing holes 621 penetrating through the pull rod 62 are arranged on the pull rod 62 at intervals along the length direction; the rod sleeve portion 651 is provided with a second fixing hole 6511 penetrating through the rod sleeve portion 651 and matching with the first fixing hole 621.
Specifically, since the lengths of different insulators 8 may be different, the length to which the initial pull rod 62 is applied also needs to be adjusted when the insulators 8 are used, and if the insulators are processed by replacing different lengths of the pull rod 62, the complexity of the insulator 8 replacement operation is increased, and the efficiency is reduced. Therefore, in the embodiment, the rod sleeve portion 651 is provided with the second fixing hole 6511, and the pull rod 62 is provided with the plurality of first fixing holes 621 matched with the second fixing hole in the length direction, so that when the application length of the pull rod 62 needs to be adjusted, the second fixing holes 6511 in the rod sleeve portion 651 and the first fixing holes 621 in the pull rod 62 can be aligned through the sliding rod sleeve portion 651, and then the pull rod 62 is fixed through the fastening pieces such as the pin shaft, and therefore flexible adjustment of the application length of the pull rod 62 can be achieved, the use is convenient, and the replacement efficiency of the insulator 8 is ensured.
Further, the locking parts 41 are vertically connected to the lock block 4 and are distributed in an L-shape.
Specifically, the locking portion 41 and the lock block 4 may be integrally formed, and have an L-shaped design to achieve locking engagement with the second side plate portion 52; when the locking portion 41 is engaged with the inner wall of the second side plate portion 52, the top of the lock piece 4 may contact with the bottom of the second side plate portion 52. Those skilled in the art can make appropriate changes based thereon.
Furthermore, the bottom of the limiting block 2 is provided with a plurality of tooth sockets 22 which are distributed at intervals along the direction from the first end to the second end of the fixing seat 1; the top of the fixing base 1 is provided with convex teeth 121 which are distributed along the first end of the fixing base 1 to the second end at intervals and matched with the tooth grooves 22.
Specifically, as shown in fig. 7 and fig. 9, in order to improve the limiting anti-slip effect of the limiting block 2, a plurality of tooth grooves 22 may be disposed at the bottom of the limiting block 2 to form a first matching surface, and a plurality of convex teeth 121 are disposed at the positions of the through grooves 12 on the fixing base 1 to form a second matching surface matched with the first matching surface, so that the positions of the limiting block 2 can be firmly limited by the matching between the tooth grooves 22 and the convex teeth 121, and then the positions of the first screws 3 are limited, thereby improving the installation firmness of the fixing base 1. Of course, also can set up a plurality of spherical protrusions (in the figure) in the bottom of stopper 2 in this embodiment, set up a plurality of and spherical protrusion complex shrinkage pools (in the figure) on the fixing base 1 that corresponds, when the position of stopper 2 was removed in the adjustment, can take up stopper 2 and remove to the position of needs, realized fixed coordination to spherical protrusion on its stopper 2 and the shrinkage pool on the fixing base 1 again to fix stopper 2. Furthermore, the position limiting function of the limiting block 2 can be improved by roughening the surfaces of the limiting block 2 and the fixing seat 1 which are contacted with each other and improving the contact friction. Those skilled in the art can make appropriate changes based on the above without limitation.
Further, as shown in fig. 5, 7 and 9, a protrusion 21 is disposed at the top of the stopper 2, and a second through hole 23 of the stopper 2 penetrates through the protrusion 21; the head 31 is in contact with and abutted against the boss 21. The fixing of the head 31 can be facilitated by providing the boss portion 21. And this structural design can facilitate the rotation of the head 3131. For example, when the first screw 3 is in threaded engagement with the lock block 4, and the lock block 4 and the rod head 31 are clamped and fixed by rotating the first screw 3 to cause relative displacement of the lock block 4, the first screw 3 is rotated to cause relative displacement of the lock block 4, so that the lock block 4 is moved in a direction capable of clamping the fixed seat 1 and the angle iron cross arm 5 by rotating the first screw 3 in the clamping and fixing process.
Further, when the club head 31 is required to be fixedly connected with the stopper 2, the protrusion 21 may be provided with a third fixing hole 211; the rod head 31 is provided with a fourth fixing hole 311 matched with the third fixing hole 211, and the fixing is performed through screws, so that the fixing mode is simple and convenient. When the rod head 31 is fixed to the stopper 22, the stopper 2 and the fixing base 1 may be rough, so that the rotation of the stopper 2 is not affected.
Furthermore, the displacement of the locking block 4 can be controlled and adjusted by the following means, so that the locking block 4 can move towards the clamping fixing seat 1 and the angle iron cross arm 5; the first screw rod 3 is sleeved with a second nut 32 which is in threaded fit with the first screw rod 3; the second nut 32 is in contact against the locking piece 4. By the means, the locking block 4 is driven to move by utilizing the screw rod principle without rotating the first screw rod 3. Directly through rotating second nut 32, utilize second nut 32 to drive the locking piece 4 and remove, step up and fix group fixing base 1 and angle steel cross arm 5 through between second nut 32 and the pole head 31. The second nut 32 may be a wing nut, and is not particularly limited.
Furthermore, a threaded hole 111 is formed in the claw part 11; a fastener (not shown) which is in threaded fit with the threaded hole 111 is inserted into the threaded hole 111; the first end of the fastener passes through the threaded hole 111 and contacts and abuts against the inner side wall of the first side plate 51 of the fixing seat 1. As shown in fig. 3, a screw hole 111 is formed in the hook portion 11, and a fastening member is provided in the screw hole 111, so that the fastening member is abutted against the fixing base 1 to further improve the mounting stability of the fixing base 1. The fastener may be a thumb screw or a thumb bolt, and is not particularly limited.
Further, a first mounting groove 13 is formed in the second end of the fixing base 1. The structure of the first mounting groove 13 is not limited, and those skilled in the art can design the first mounting groove according to the actual structure of the retractor.
Further, when the arrangement structure of the angle cross arm 5 is as shown in fig. 6, in order to enable the fixing base 1 to be smoothly installed and fixed, an extension block 14 may be provided on the first end of the fixing base 1; wherein, extension piece 14 can be with fixing base 1 integrated into one piece to be L type distribution between and the fixing base 1, specifically, extension piece 14 is perpendicular with fixing base 1. Thus, when the arrangement structure of the angle iron cross arm 5 is shown in fig. 6, the fixed dragger can be installed by utilizing the extension block 14, and the use is more convenient. The end of the extension block 14 away from the fixing base 1 may be provided with a second mounting groove 141, wherein the structure of the second mounting groove 141 may be the same as that of the first mounting groove 13, and the structure is not particularly limited, and those skilled in the art may design the second mounting groove according to the actual structure of the retractor.
According to the technical scheme, the angle steel cross arm fixture is constructed by the aid of the fixing seat 1, the locking block 4, the limiting block 2 and the screw, during use, the hook claw part 11 is used for clamping and matching with the first side plate part 51 of the angle steel cross arm 5, and then the clamping and stopping part 41 on the locking block 4 is matched with the second side plate part of the angle steel cross arm 5, so that the fixing seat 1 and the angle steel cross arm 5 are clamped and fixed between the locking block 4 and the rod head 31 of the screw, and the fixing seat 1 is further fastened. Through the structural design, the integral installation is dismantled simply, and the tractive ware that collocation screw rod, nut and handle 64 constitute simultaneously drives the nut through handle 64 and rotates in order to realize the lead screw thread fit between nut and the screw rod to make the screw rod take place the relative displacement of vertical direction, and then can upwards tractive wire 7. The whole use is convenient, and the replacement efficiency of the insulator 8 is ensured.
The above-mentioned detailed descriptions of the stress application replacing device for the screw rod of the angle iron cross arm insulator provided by the present application are provided, and a person skilled in the art can change the specific implementation manner and the application scope according to the idea of the embodiment of the present application.
Claims (10)
1. Device is changed in angle steel cross arm insulator lead screw afterburning, its characterized in that includes: angle steel cross arm clamps and retractors;
the angle steel cross arm clamp comprises a fixed seat, a locking block, a limiting block and a first screw rod;
a hook claw part is arranged at the first end part of the fixed seat;
a groove for the first side plate part of the angle steel cross arm to movably extend into is formed between the hook claw part and the fixed seat;
the second end part of the fixed seat extends out of the angle steel cross arm along the direction far away from the hook claw part, and a through groove which penetrates through the fixed seat and is arranged along the first end part of the fixed seat to the second end part is formed in the fixed seat;
the locking block is sleeved on the first screw rod and is provided with a clamping part which is clamped and matched with the angle steel cross arm;
the limiting block is arranged on the fixed seat at the position of the through groove;
the first end of the first screw rod extends out of the limiting block through the through groove, and a rod head is arranged at the first end of the first screw rod, which extends out of the limiting block;
the fixed seat and the angle steel cross arm are clamped and fixed between the rod head and the locking block;
the traction device comprises a screw rod assembly and a pull rod;
the screw rod assembly comprises a second screw rod, a first nut and a handle;
the first end of the second screw rod penetrates through the fixed seat upwards to extend out of the angle steel cross arm, and the second end of the second screw rod is connected with the first end of the pull rod;
the pull rod is connected with the lead through a connecting piece;
the first nut is rotatably sleeved on the second screw rod on the shaft section extending out of the angle steel cross arm and is in threaded fit with the second screw rod, and the bottom of the first nut is in contact with and abuts against the top of the fixed seat;
the handle is connected with the first nut and used for driving the first nut to rotate.
2. The stress application and replacement device for the lead screw of the angle iron cross arm insulator according to claim 1, further comprising a connecting shaft;
a first through hole for the first end of the screw to movably penetrate is formed in the connecting shaft, and two limiting shafts distributed along the same straight line are symmetrically arranged on the outer peripheral wall of the connecting shaft;
the fixed seat is provided with a clamping groove for the limit shaft to be movably clamped in;
an inherent axial bearing is embedded in the first through hole;
the first nut is installed on the connecting shaft, and the bottom of the first nut is connected with the axial bearing.
3. The angle iron cross arm insulator lead screw boost changing device of claim 1, wherein the first nut sleeve is fixed with a gear rotating synchronously with the first nut;
the first end part of the handle is sleeved on the gear, and a clamping block is rotatably arranged at one side of the gear in the first end part of the handle;
the clamping tooth part which is movably clamped into the gear tooth groove is arranged on the clamping block;
the clamping block is connected with a shifting lever extending out of the handle.
4. The angle iron cross arm insulator lead screw boost replacing device of claim 1, wherein the connecting piece comprises a rod sleeve part and a locking part;
the rod sleeve part is sleeved on the pull rod;
the locking part is connected with the rod sleeve part and is provided with a locking hole for the wire to movably pass through.
5. The stress application and replacement device for the lead screw of the angle iron cross arm insulator according to claim 4, wherein a lock pin is detachably connected between the locking part and the rod sleeve part;
the locking hole is defined by the locking pin, the locking part and the rod sleeve part.
6. The stress application and replacement device for the lead screw of the angle iron cross arm insulator according to claim 4, wherein a plurality of first fixing holes penetrating through the pull rod are formed in the pull rod at intervals along the length direction;
and a second fixing hole which penetrates through the rod sleeve part and is matched with the first fixing hole is formed in the rod sleeve part.
7. The stress application and replacement device for the lead screw of the angle iron cross arm insulator according to claim 1, wherein a second nut which is in threaded fit with the first screw is sleeved on the first screw;
the second nut is contacted and propped against the locking block.
8. The stress application and replacement device for the lead screw of the angle iron cross arm insulator according to claim 1, wherein a threaded hole is formed in the claw part;
a fastener matched with the threaded hole in a threaded manner is inserted into the threaded hole;
the first end of the fastener passes through the threaded hole and is in contact and abutting contact with the inner side wall of the first side plate part of the fixing seat.
9. The stress application and replacement device for the lead screw of the angle iron cross arm insulator according to claim 1, wherein the bottom of the limiting block is provided with a plurality of tooth grooves which are distributed at intervals along the direction from the first end to the second end of the fixing seat;
the fixing base top is equipped with and follows fixing base first end distributes to second end direction interval, and with tooth's socket complex dogtooth.
10. The stress application and replacement device for the lead screw of the angle iron cross arm insulator according to claim 1, wherein a boss is arranged at the top of the limiting block, and the second through hole of the limiting block penetrates through the boss;
the rod head is contacted and propped against the bulge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010088711.4A CN111162483A (en) | 2020-02-12 | 2020-02-12 | Stress application replacing device for lead screw of insulator of angle steel cross arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010088711.4A CN111162483A (en) | 2020-02-12 | 2020-02-12 | Stress application replacing device for lead screw of insulator of angle steel cross arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111162483A true CN111162483A (en) | 2020-05-15 |
Family
ID=70565566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010088711.4A Pending CN111162483A (en) | 2020-02-12 | 2020-02-12 | Stress application replacing device for lead screw of insulator of angle steel cross arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111162483A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112467615A (en) * | 2020-11-27 | 2021-03-09 | 重庆巨鹏电力安装工程有限公司 | Strain insulator string replacing device for transformer substation and replacing method |
| WO2022121502A1 (en) * | 2020-12-08 | 2022-06-16 | 南方电网科学研究院有限责任公司 | Pin insulator |
| CN115229482A (en) * | 2021-06-21 | 2022-10-25 | 国网安徽省电力有限公司 | Climbing operation platform and climbing method |
| CN117353198A (en) * | 2023-09-06 | 2024-01-05 | 国网湖北省电力有限公司超高压公司 | Tool and method for vertically rotating and replacing direct current grounding electrode line tension string |
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2020
- 2020-02-12 CN CN202010088711.4A patent/CN111162483A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112467615A (en) * | 2020-11-27 | 2021-03-09 | 重庆巨鹏电力安装工程有限公司 | Strain insulator string replacing device for transformer substation and replacing method |
| CN112467615B (en) * | 2020-11-27 | 2022-01-14 | 重庆巨鹏电力安装工程有限公司 | Strain insulator string replacing device for transformer substation and replacing method |
| WO2022121502A1 (en) * | 2020-12-08 | 2022-06-16 | 南方电网科学研究院有限责任公司 | Pin insulator |
| CN115229482A (en) * | 2021-06-21 | 2022-10-25 | 国网安徽省电力有限公司 | Climbing operation platform and climbing method |
| CN115229482B (en) * | 2021-06-21 | 2024-06-11 | 国网安徽省电力有限公司 | Climbing operation platform and climbing method |
| CN117353198A (en) * | 2023-09-06 | 2024-01-05 | 国网湖北省电力有限公司超高压公司 | Tool and method for vertically rotating and replacing direct current grounding electrode line tension string |
| CN117353198B (en) * | 2023-09-06 | 2024-04-26 | 国网湖北省电力有限公司超高压公司 | Tool and method for vertically rotating and replacing direct current grounding electrode line tension string |
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