CN211879982U - Stress application replacing device for channel steel cross arm insulator lead screw - Google Patents
Stress application replacing device for channel steel cross arm insulator lead screw Download PDFInfo
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- CN211879982U CN211879982U CN202020310412.6U CN202020310412U CN211879982U CN 211879982 U CN211879982 U CN 211879982U CN 202020310412 U CN202020310412 U CN 202020310412U CN 211879982 U CN211879982 U CN 211879982U
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Abstract
The application discloses channel-section steel cross arm insulator lead screw afterburning changes device includes: channel steel cross arm clamps and a puller; the channel steel cross arm clamp comprises a fixed seat and a claw; the fixed seat is provided with a propping part which is movably contacted and propped against the top of the channel steel cross arm; the first end of the hook claw is hinged with the first end, close to the abutting part, of the fixing seat, and the second end of the hook claw is provided with a hook part matched with the first side plate part of the channel steel cross arm; the second end of the fixed seat extends out of the channel steel cross arm towards the direction far away from the claw; the traction device comprises a screw rod assembly and a pull rod; the screw rod assembly comprises a screw rod, a nut and a handle; the first end of the screw rod upwards penetrates through the fixed seat and extends out of the cross arm of the channel steel, and the second end of the 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 nut is rotatably sleeved on the screw rod on the shaft section extending out of the channel steel cross arm and is in threaded fit with the screw rod, and the bottom of the nut is in contact with and abutted against the top of the fixed seat; the handle is connected with the nut and used for driving the nut to rotate. The installation is dismantled simply, convenient to use.
Description
Technical Field
The application relates to the technical field of electric power operation, in particular to a stress application replacement device for a channel steel cross arm insulator lead screw.
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 replacement device for the channel steel cross arm is complex in installation and disassembly and inconvenient to use, and the replacement efficiency of the insulator is influenced.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present application is directed to a channel steel cross arm insulator lead screw boosting replacing device, which can make a better steering navigation in a shallow water area.
For reaching above-mentioned technical purpose, the application provides channel-section steel cross arm insulator lead screw afterburning change device includes: channel steel cross arm clamps and a puller;
the channel steel cross arm clamp comprises a fixed seat and a claw;
the fixed seat is provided with a propping part which is movably contacted and propped against the top of the channel steel cross arm;
the first end of the hook claw is hinged with the first end, close to the abutting part, of the fixed seat, and the second end of the hook claw is provided with a hook part;
the bent hook part is provided with a groove for the first side plate part of the channel steel cross arm to be movably clamped;
the bottom of the groove is in contact with and abutted against the bottom of the first side plate part;
the second end of the fixed seat extends out of the channel steel cross arm towards the direction far away from the hook claw;
the traction device comprises a screw rod assembly and a pull rod;
the screw rod assembly comprises a screw rod, a nut and a handle;
the first end of the screw rod penetrates through the fixed seat upwards to extend out of the cross arm of the channel steel, and the second end of the 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 nut is rotatably sleeved on the screw rod on the shaft section extending out of the channel steel cross arm and is in threaded fit with the screw rod, and the bottom of the nut is in contact with and abutted against the top of the fixed seat;
the handle is connected with the nut and used for driving the nut to rotate.
Further, the device also comprises a connecting shaft;
a through hole for the first end of the screw to movably pass through 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 through hole;
the nut is installed on the connecting shaft, and the bottom of the nut is connected with the axial bearing.
Further, the nut sleeve is internally provided with a gear which rotates synchronously with the 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 first mounting groove for the first end of the hook to movably extend into is formed in the first end of the fixing seat;
the fixed seat is provided with a first hinge hole penetrating through the first mounting groove;
and a second hinge hole matched with the first hinge hole through a pin shaft is formed in the first end of the hook claw.
Furthermore, a second mounting groove for avoiding the screw rod is formed in the second end of the fixing seat;
the connecting shaft is mounted on the second mounting groove.
Furthermore, a first reinforcing rib plate used for avoiding the top of the channel steel cross arm and arranged along the length direction of the channel steel cross arm is formed between the abutting part and the hook claw, and the abutting part and the first side wall opposite to the hook claw are in contact fit with the first reinforcing rib plate.
Further, the device also comprises a first limiting piece;
the first limiting piece comprises a first connecting part and a first limiting part;
the first end of the first connecting part is connected with the fixed seat, and the second end of the first connecting part is vertically connected with the first limiting part;
and a limiting space for avoiding the second reinforcing rib plates vertically connected with the two side walls of the first reinforcing rib plate is formed between the first limiting part and the fixed seat.
According to the technical scheme, the channel steel cross arm clamp is formed by arranging the fixing seat and the claw hinged with the fixing seat, wherein the fixing seat is provided with a supporting part which is movably contacted and abutted with the top of the channel steel cross arm, and the claw is provided with the hook part which is hooked and abutted with the first side plate part of the channel steel cross arm; meanwhile, the second end of the fixing seat extends out of the channel steel cross arm in the direction far away from the claw, so that the fixing seat is convenient for installing a traction device; the supporting part of the fixing seat can be used as a supporting point to support the fixing seat, and the hook claw can provide a force for balancing the acting force of the traction device on the fixing seat, so that the fixing seat can be stably installed on the channel steel cross arm, and stable support of the traction device is provided. Through this channel-section steel cross arm fixture structural design for the unit mount 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, thereby makes 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 structural diagram of a channel steel cross arm insulator lead screw stress application replacement device provided in the present application;
FIG. 2 is an enlarged view of the position A in FIG. 1;
fig. 3 is a partial schematic view of a channel cross arm insulator lead screw stressing replacing device provided in the present application;
FIG. 4 is an enlarged schematic view of the position B in FIG. 1;
fig. 5 is a schematic view of an installation structure of a channel steel cross arm clamp of the channel steel cross arm insulator lead screw stressing replacing device provided in the present application;
FIG. 6 is an exploded view of FIG. 5;
fig. 7 is a schematic structural view of a channel steel cross arm clamp of the channel steel cross arm insulator lead screw stressing replacing device provided in the present application, which does not have a first limiting member and a second limiting member;
in the figure: 1. a fixed seat; 11. a holding portion; 12. a first mounting groove; 121. a first hinge hole; 13. A second mounting groove; 131. a card slot; 14. hollowing out holes; 15. a first limit piece; 151. a first connection portion; 152. a first limiting part; 16. a second limiting member; 161. a second connecting portion; 162. a second limiting part; 2. a hook claw; 21. a hook portion; 22. a second hinge hole; 3. a channel steel cross arm; 31. a first side plate portion; 32. a second side plate portion; 311. a first reinforcing rib plate; 312. a second reinforcing rib plate; 41. a first magnetic attraction member; 42. a second magnetic attraction member; 5. a pin shaft; 61. a screw; 62. pulling a rod; 621. a first fixing hole; 63. a nut; 631. a gear; 632. a lock pin; 64. a handle; 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; 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 channel-section steel cross arm insulator lead screw afterburning changing device.
Referring to fig. 1, an embodiment of a device for applying force and replacing a lead screw of a channel steel cross arm insulator provided in an embodiment of the present application includes:
channel steel cross arm clamps and a puller; the channel steel cross arm clamp comprises a fixed seat 1 and a claw 2; the fixed seat 1 is provided with a propping part 11 which is movably contacted and propped against the top of the channel steel cross arm 3; the first end of the hook claw 2 is hinged with the first end of the fixed seat 1 close to the abutting part 11, and the second end of the hook claw 2 is provided with a hook part 21; the bent hook part 21 is provided with a groove for movably clamping the first side plate part 31 of the channel steel cross arm 3; the bottom of the groove is contacted and abutted with the bottom of the first side plate part 31; the second end of the fixed seat 1 extends out of the channel steel cross arm 3 in the direction far away from the claw 2; the retractor comprises a screw rod assembly and a pull rod 62; the screw rod assembly comprises a screw rod 61, a nut 63 and a handle 64; the first end of the screw rod 61 upwards penetrates through the fixed seat 1 and extends out of the position of the channel steel cross arm 3, and the second end of the screw rod 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 nut 63 is rotatably sleeved on the screw 61 on the shaft section extending out of the channel steel cross arm 3 and is in threaded fit with the screw 61, and the bottom of the nut 63 is contacted and abutted with the top of the fixed seat 1; a handle 64 is connected to nut 63 for driving nut 63 in rotation.
Specifically, the abutting part 11 and the fixing seat 1 in the embodiment are integrally formed, and the hook part 21 and the claw 2 are integrally formed, so that the processing and the manufacturing are more convenient; the structure of the fixing base 11 can be a triangle-like block as shown in fig. 1, and certainly not limited to such a structural design, and those skilled in the art can make appropriate changes based on this, and the invention is not limited in particular. Set up second end on the fixing base 1 to stretching out channel-section steel cross arm 3 to keeping away from 2 directions of knuckle, just so that the second end on the fixing base 11 stretches out channel-section steel cross arm 3 to second side board 32 direction along channel-section steel cross arm 3's first side board 31, conveniently provides the tractive ware mounted position. When the installation is fixed, can rotate the hook 2 earlier for the cooperation of crook portion 21 and the first curb plate portion 31 of channel-section steel cross arm 3 makes again to support portion 11 and the contact counterbalance of channel-section steel cross arm 33 top and can realize fixing, does not specifically do the restriction. In addition, the second end of the screw 61 may be provided with a U-shaped connector as shown in fig. 1, which facilitates connection with the first end of the pull rod 62. The first end of the screw 61 upwards passes through the fixed seat 1 and then is matched with the nut 63, and the bottom of the 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 nut 63 and does not influence the rotation of the nut 63, and the nut 63 can be directly connected with the fixed seat 1 in a rotating manner through an axial bearing (not shown). After channel-section steel cross arm fixture and tractive ware have been installed, rotate handle 64 for take place lead screw thread fit between nut 63 and the screw rod 61, because nut 63 receives fixing base 1's limiting displacement, screw rod 61 just can take place ascending relative displacement this moment, thereby drive pull rod 62 and shift up, and then upwards tractive wire 7, convenient subsequent insulator 8 is changed. In the process, the position of the fixing seat 1 where the retractor is installed can receive a downward acting force, and the fixing seat 1 can be fixedly pulled through the hook claw 2 at the moment to provide a force for balancing the acting force, so that the fixing seat 1 can be stably installed on the channel steel cross arm 3, and the stable support of the retractor is provided. 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 11 and the top of the channel steel cross arm 33 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 channel steel 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 channel steel cross arm insulator provided in the embodiment of the present application, specifically please refer to fig. 1 to 7.
The utility model provides a forced replacement device of channel steel cross arm insulator lead screw, includes: channel steel cross arm clamps and a puller; the channel steel cross arm clamp comprises a fixed seat 1 and a claw 2; the fixed seat 1 is provided with a propping part 11 which is movably contacted and propped against the top of the channel steel cross arm 3; the first end of the hook claw 2 is hinged with the first end of the fixed seat 1 close to the abutting part 11, and the second end of the hook claw 2 is provided with a hook part 21; the bent hook part 21 is provided with a groove for movably clamping the first side plate part 31 of the channel steel cross arm 3; the bottom of the groove is contacted and abutted with the bottom of the first side plate part 31; the second end of the fixed seat 1 extends out of the channel steel cross arm 3 in the direction far away from the claw 2; the retractor comprises a screw rod assembly and a pull rod 62; the screw rod assembly comprises a screw rod 61, a nut 63 and a handle 64; the first end of the screw rod 61 upwards penetrates through the fixed seat 1 and extends out of the position of the channel steel cross arm 3, and the second end of the screw rod 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 nut 63 is rotatably sleeved on the screw 61 on the shaft section extending out of the channel steel cross arm 3 and is in threaded fit with the screw 61, and the bottom of the nut 63 is contacted and abutted with the top of the fixed seat 1; a handle 64 is connected to nut 63 for driving nut 63 in rotation.
Further, a connecting shaft 66 is also included; a through hole for the first end of the 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 through hole; the nut 63 is mounted on the connecting shaft 66, and the bottom of the nut 63 is connected with the axial bearing.
Specifically, in order to facilitate the connection between the 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 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 nut 63 can be elevated a certain distance from the top of the fixed seat 1 by the connecting shaft 66, 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 nut 63 is inherently fitted with a gear 631 that rotates synchronously with the 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 of the gear 631; a lever 642 extending from handle 64 is attached to catch 641.
Specifically, as shown in fig. 1 to 3, a first end portion of the handle 64 is engaged with the screw 61 and the nut 63, wherein a bypass cavity is provided in the first end portion of the handle 64 for bypassing the gear 631 and installing the stop block 641, a first opening for the gear 631 to extend into is provided at a bottom of the first end portion of the handle 64, and a second opening for the screw 61 to extend out is provided at a top of the first end portion; in order to facilitate maintenance and replacement of the locking block 641, a cover sheet (not shown) can be detachably disposed on the top of the first end of the handle 64, and fig. 2 and 3 are diagrams showing a state where the cover sheet is removed, 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 632 is detachably connected between the locking part 652 and the rod sleeve part 651; locking holes are defined between the locking pin 632, the locking portion 652 and the lever sleeve portion 651. The locking part 652 is of an L-shaped structure, the locking pin 632 can be added, the locking pin 632 is used for realizing that the connection between the locking part 652 and the lead 7 is firmer and is easy to detach, 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 to the rod sleeve portion 651 can be aligned with the first fixing holes 621 in the pull rod 62 through sliding the rod sleeve portion 651 to the second fixing holes 6511 in the rod sleeve portion 651, and then the pull rod 62 can be fixed through the fasteners such as the pin 5 shown in fig. 6, so that the application length of the pull rod 62 can be flexibly adjusted, the use is convenient, and the replacement efficiency of the insulator 8 is ensured.
Furthermore, a first mounting groove 12 for the first end of the hook claw 2 to movably extend into is formed in the first end of the fixed seat 1; a first hinge hole 121 penetrating through the first mounting groove 12 is formed in the fixing seat 1; the first end of the hook claw 2 is provided with a second hinge hole 22 matched with the first hinge hole 121 through a pin 5. The hinge fit between the claw 2 and the fixed seat 1 is realized through the pin shaft 5, wherein the pin shaft 5 can be a quick-release pin, the disassembly is more convenient, and the limitation is not particularly made
Further, a second mounting groove 13 for avoiding the screw 61 is formed in the second end of the fixing seat 1; the connecting shaft 66 is mounted on the second mounting groove 13. The second mounting groove 13 may be an open groove structure, so that the connection shaft 66 and the second mounting groove 13 can be conveniently mounted and dismounted and matched, a lock pin 632 can be correspondingly and detachably arranged on the second mounting groove 13, the lock pin 632 is used for further limiting the movement of the connection shaft 66, and the connection shaft 66 is prevented from slipping out from the open position of the second mounting groove 13. The whole assembly and disassembly of the shaft is convenient, and the subsequent maintenance is convenient.
Further, a first reinforcing rib plate 311 for avoiding the top of the channel steel cross arm 3 from being arranged along the length direction of the channel steel cross arm 3 is formed between the abutting part 11 and the hook claw 2, and the abutting part 11 is in contact fit with the first reinforcing rib plate 311 and the first side wall opposite to the hook claw 2.
Specifically, the first reinforcing rib plate 311 shown in fig. 5 to 7 is provided on the channel cross arm 3 at a position facing the insulator 8. In this embodiment, the distance relationship between the claw 2 and the supporting portion 11 is adjusted, so that the supporting portion 11 and the first side wall of the claw 2 opposite to the first reinforcing rib plate 311 are contacted and attached, and thus the first reinforcing rib plate 311 can also be utilized, and the supporting portion 11 has a certain limit stop function along the width direction of the channel steel cross arm 3, so that the fixing seat 1 is more firmly mounted and fixed.
Further, a first limiting member 15 is further included; the first limiting member 15 includes a first connecting portion 151 and a first limiting portion 152; a first end of the first connecting portion 151 is connected to the fixing base 1, and a second end of the first connecting portion 151 is vertically connected to the first limiting portion 152; a limiting space for avoiding the second reinforcing rib plate 312 vertically connected with the two side walls of the first reinforcing rib plate 311 is formed between the first limiting part 152 and the fixed seat 1.
Specifically, in order to further enhance the capacity of the channel cross arm 3 to bear the insulator 8 at the position, a second reinforcing rib plate 312 which is vertically connected with the first reinforcing rib plate 311 is usually additionally arranged. The first limiting member 15 provided in this embodiment is intended to utilize the second reinforcing rib 312 to make the mounting and fixing of the fixing base 1 more stable. Wherein, the first limiting member 15 can be a type L as shown in fig. 5, the first end of the first connecting portion 151 can be detachably mounted on the fixing base 1 through fasteners such as screws, and the first limiting portion 152 can be tightly attached to the second reinforcing rib plate 312, so as to provide a certain limiting stop function for the fixing base 1 along the length direction of the channel steel cross arm 3, so that the fixing base 1 can be more firmly mounted.
Further, a second limiting member 16 is further included; the second limiting member 16 includes a second connecting portion 161 and a second limiting portion 162; a first end of the second connecting portion 161 is connected to the fixing base 1 and located above the first limiting member 15, and a second end of the second connecting portion 161 is connected to the second limiting portion 162; the bottom of the second position-limiting portion 162 contacts and fits the top of the first position-limiting member 15.
Specifically, in order to make the limiting function of the first limiting member 15 better, the second limiting member 16 may be added to limit the first limiting member 15, so as to further improve the installation stability of the fixing base 1. As shown in fig. 5 and 6, the second connecting portion 161 can be detachably mounted on the fixing base 1 by a fastener such as a screw, and the second limiting portion 162 can be in the shape of a gear 631, wherein teeth of the gear contact with the top of the first connecting portion 151 of the first limiting member 15 to limit the first limiting member 15.
Furthermore, the abutting part 11 is provided with a first magnetic attraction piece 41 which is in magnetic attraction fit with the channel steel cross arm 3. First magnetism piece 41 of inhaling can be the permanent magnet, utilizes the permanent magnet to strengthen the contact of holding portion 11 and channel-section steel cross arm 3 top, further improves fixing base 1's installation steadiness simultaneously, when the installation tractive ware, inhales through first magnetism and to inhale the removal that piece 41 can reduce fixing base 1, guarantees fixing base 1's steady, utilizes first magnetism to inhale the dismantlement that piece 41 can not influence fixing base 1 yet simultaneously, convenient to use. The number of the first magnetic attracting elements 41 is not limited, and may be, for example, two in fig. 5; the first magnetic attraction piece 41 can be embedded at the bottom of the abutting portion 11, and the magnetic attraction surface of the first magnetic attraction piece 41 and the top of the channel steel cross arm 3 in magnetic attraction matching is flush with the bottom surface of the abutting portion 11. Of course, the elastic member may be directly fixed to the outer periphery of the abutting portion 11, and is not particularly limited.
Further, similarly, the claw 2 may also be provided with a second magnetic attraction piece 42 magnetically engaged with the first side plate portion 31. The installation that increases second magnetism and inhale piece 42 and can further stabilize fixing base 1 makes things convenient for subsequent tractive ware's installation. The second magnetic attraction piece 42 may also be a first side wall position embedded on the claw 2 and opposite to the first side plate 31, and the magnetic attraction surface of the second magnetic attraction piece 42 and the first side plate 31 is flush with the first side wall position of the claw 2, which is not limited specifically.
Furthermore, the fixing base 1 is provided with a plurality of hollow holes 14. The increase of the hollow holes 14 can reduce the overall mass of the fixing seat 1, the installation and the disassembly are more convenient, and meanwhile, the manufacturing materials are saved.
According to the technical scheme, the channel steel cross arm clamp is formed by arranging the fixed seat 1 and the hook claw 2 hinged with the fixed seat 1, wherein the fixed seat 1 is provided with the abutting part 11 which is movably contacted and abutted with the top of the channel steel cross arm 3, and the hook claw 2 is provided with the hook part 21 which is hooked and abutted with the first side plate part 31 of the channel steel cross arm 3; meanwhile, the second end of the fixed seat 1 extends out of the channel steel cross arm 3 in the direction far away from the claw 2, so that the fixed seat is convenient for installing a retractor; the supporting part 11 of the fixing seat 1 can be used as a supporting point to support the fixing seat 1, and the hook claw 2 can provide a force for balancing the acting force of the drawer on the fixing seat 1, so that the fixing seat 1 can be stably installed on the channel steel cross arm 3, and the stable support of the drawer is provided. Through this channel-section steel cross arm fixture structural design for the integral erection is dismantled simply, and the tractive ware that collocation screw rod 61, nut 63 and handle 64 constitute simultaneously drives nut 63 through handle 64 and rotates in order to realize the lead screw thread fit between nut 63 and the screw rod 61, thereby makes screw rod 61 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 detailed description is provided for the stress application replacement device for the lead screw of the channel steel cross arm insulator, and for those skilled in the art, according to the idea of the embodiment of the present application, there are changes in the specific implementation and application scope, and in summary, the content of the present specification should not be understood as a limitation to the present application.
Claims (10)
1. Device is changed in channel-section steel cross arm insulator lead screw afterburning, its characterized in that includes: channel steel cross arm clamps and a puller;
the channel steel cross arm clamp comprises a fixed seat and a claw;
the fixed seat is provided with a propping part which is movably contacted and propped against the top of the channel steel cross arm;
the first end of the hook claw is hinged with the first end, close to the abutting part, of the fixed seat, and the second end of the hook claw is provided with a hook part;
the bent hook part is provided with a groove for the first side plate part of the channel steel cross arm to be movably clamped;
the bottom of the groove is in contact with and abutted against the bottom of the first side plate part;
the second end of the fixed seat extends out of the channel steel cross arm towards the direction far away from the hook claw;
the traction device comprises a screw rod assembly and a pull rod;
the screw rod assembly comprises a screw rod, a nut and a handle;
the first end of the screw rod penetrates through the fixed seat upwards to extend out of the cross arm of the channel steel, and the second end of the 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 nut is rotatably sleeved on the screw rod on the shaft section extending out of the channel steel cross arm and is in threaded fit with the screw rod, and the bottom of the nut is in contact with and abutted against the top of the fixed seat;
the handle is connected with the nut and used for driving the nut to rotate.
2. The screw rod stress application and replacement device for the channel steel cross arm insulator as claimed in claim 1, further comprising a connecting shaft;
a through hole for the first end of the screw to movably pass through 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 through hole;
the nut is installed on the connecting shaft, and the bottom of the nut is connected with the axial bearing.
3. The screw rod stress application and replacement device for the channel steel cross arm insulator as claimed in claim 1, wherein the nut sleeve is fixed with a gear rotating synchronously with the 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 channel steel cross arm insulator lead screw stress-applying 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 screw rod stress application and replacement device for the channel steel cross arm insulator as claimed in 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 screw rod stress application and replacement device for the channel steel cross arm insulator as claimed in 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 stressing replacing device for the screw rod of the channel steel cross arm insulator according to claim 1, wherein a first mounting groove for the first end of the hook claw to movably extend into is formed on the first end of the fixing seat;
the fixed seat is provided with a first hinge hole penetrating through the first mounting groove;
and a second hinge hole matched with the first hinge hole through a pin shaft is formed in the first end of the hook claw.
8. The stressing and replacing device for the screw rod of the channel steel cross arm insulator according to claim 2, wherein a second mounting groove for avoiding the screw rod is formed in a second end of the fixing seat;
the connecting shaft is mounted on the second mounting groove.
9. The stress application and replacement device for the lead screw of the channel steel cross arm insulator according to claim 1, wherein a first reinforcing rib plate arranged along the length direction of the channel steel cross arm on the top of the channel steel cross arm is formed between the abutting portion and the hook claw, and the abutting portion is in contact fit with a first side wall opposite to the hook claw and the first reinforcing rib plate.
10. The screw boosting replacing device for the channel steel cross arm insulator as claimed in claim 9, further comprising a first limiting member;
the first limiting piece comprises a first connecting part and a first limiting part;
the first end of the first connecting part is connected with the fixed seat, and the second end of the first connecting part is vertically connected with the first limiting part;
and a limiting space for avoiding the second reinforcing rib plates vertically connected with the two side walls of the first reinforcing rib plate is formed between the first limiting part and the fixed seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020310412.6U CN211879982U (en) | 2020-03-13 | 2020-03-13 | Stress application replacing device for channel steel cross arm insulator lead screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020310412.6U CN211879982U (en) | 2020-03-13 | 2020-03-13 | Stress application replacing device for channel steel cross arm insulator lead screw |
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| Publication Number | Publication Date |
|---|---|
| CN211879982U true CN211879982U (en) | 2020-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020310412.6U Active CN211879982U (en) | 2020-03-13 | 2020-03-13 | Stress application replacing device for channel steel cross arm insulator lead screw |
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| Country | Link |
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| CN (1) | CN211879982U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114123037A (en) * | 2021-12-03 | 2022-03-01 | 广东电网有限责任公司 | Auxiliary device is changed to straight line pole insulator |
| CN116706768A (en) * | 2023-08-01 | 2023-09-05 | 国网山东省电力公司宁阳县供电公司 | Anti-drop structure for electric tower cable installation |
-
2020
- 2020-03-13 CN CN202020310412.6U patent/CN211879982U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114123037A (en) * | 2021-12-03 | 2022-03-01 | 广东电网有限责任公司 | Auxiliary device is changed to straight line pole insulator |
| CN116706768A (en) * | 2023-08-01 | 2023-09-05 | 国网山东省电力公司宁阳县供电公司 | Anti-drop structure for electric tower cable installation |
| CN116706768B (en) * | 2023-08-01 | 2024-01-12 | 国网山东省电力公司宁阳县供电公司 | Anti-drop structure for electric tower cable installation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: China Southern Power Grid General Aviation Service Co.,Ltd. Assignor: ELECTRIC POWER RESEARCH INSTITUTE OF GUANGDONG POWER GRID Co.,Ltd. Contract record no.: X2023990000655 Denomination of utility model: Force replacement device for channel steel cross arm insulator screw rod Granted publication date: 20201106 License type: Common License Record date: 20230627 |
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| EE01 | Entry into force of recordation of patent licensing contract |