CN210380017U - Universal ground wire cross arm clamp for power transmission line - Google Patents
Universal ground wire cross arm clamp for power transmission line Download PDFInfo
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- CN210380017U CN210380017U CN201921210809.1U CN201921210809U CN210380017U CN 210380017 U CN210380017 U CN 210380017U CN 201921210809 U CN201921210809 U CN 201921210809U CN 210380017 U CN210380017 U CN 210380017U
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- ground wire
- groove
- transmission line
- fastening
- cross arm
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 23
- 238000009434 installation Methods 0.000 abstract description 8
- 230000006978 adaptation Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 9
- 238000012423 maintenance Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000006467 substitution reaction Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model provides a general ground wire cross arm fixture of transmission line, including the fixing clip arm, the groove that passes through of bar is seted up to fixing clip arm rear portion top surface, pass through the inslot left and right sides and be equipped with the anchorage bar of L type respectively, the anchorage bar all can be followed and passed through the groove and removed, the anchorage bar upper end is screw thread portion, anchorage bar upper end difference thread installation fastening nut, fastening nut all is located fixing clip arm top surface and both contact, the through-hole is seted up respectively to the anterior top surface left and right sides of fixing clip arm, install the lantern ring respectively in the through-hole, be equipped with the lead screw in the lantern ring respectively, the lead screw can be followed the lantern ring and reciprocated, the lead screw lower extreme is fixed mounting wire lifting hook respectively, lead screw middle part periphery is equipped with the adapter sleeve respectively, all. The utility model discloses structural design is simple, and the simple installation can be installed according to the cross arm width, and is fixed effectual, and the adaptation face is wide, and the application of lead screw has improved ground wire and has promoted precision and stationarity.
Description
Technical Field
The utility model belongs to electric power construction utensil field, specifically speaking are general ground wire cross arm fixture of transmission line.
Background
The overhead ground wire is used as an important measure for preventing lightning damage in the overhead transmission line, so that the ground wire is frequently struck by lightning, the corrosion of the ground wire is serious, and the maintenance and replacement of the ground wire and series hardware thereof are quite frequent. In the processes of installation, maintenance and replacement of the ground wire and series of hardware thereof, a force-bearing tool is often needed to lift the overhead ground wire, and the common traction tool with short travel from the ground wire to the cross arm cannot be applied.
The conventional overhead ground wire lifting mode usually adopts a shouldering method, a chain hoist method and the like, and the methods have heavy tools and high labor intensity in overhead operation, so that the operation time is long, a large number of operators are required, potential safety hazards are increased, the phenomenon of tower material abrasion is caused, and the requirements of live working cannot be met. Some tools easily damage the angle iron, are not firm to install and cannot be used, and have poor using effect. In addition, because the widths of the cross arms are not consistent, tools suitable for different widths are not available.
SUMMERY OF THE UTILITY MODEL
The utility model provides a transmission line universal ground wire cross arm fixture for solve the problem that installation time among the prior art is longer, use inconvenience, commonality are poor, reach the beneficial effect that the installation is swift, convenient to use, practicality are strong.
The utility model discloses a following technical scheme realizes:
a universal ground wire cross arm clamp for a power transmission line comprises a fixed clamp arm, wherein a strip-shaped through groove is formed in the top surface of the rear portion of the fixed clamp arm, L-shaped fastening rods are arranged on the left side and the right side in the through groove respectively and can move along the through groove, threaded portions are arranged at the upper ends of the fastening rods, fastening nuts are respectively and threadedly mounted at the upper ends of the fastening rods and are positioned on the top surface of the fixed clamp arm and contacted with the top surface of the fixed clamp arm, through holes are formed in the left side and the right side of the top surface of the fixed clamp arm respectively, sleeve rings are mounted in the through holes respectively, lead screws are arranged in the sleeve rings respectively and can move up and down along the sleeve rings, wire lifting hooks are fixedly mounted at the lower ends of the lead screws respectively, connecting sleeves are arranged on the peripheries of the middle portions of the lead screws, the sleeve lower extreme homoenergetic of downside all can cooperate with the lantern ring joint that corresponds, and the lead screw passes the sleeve that corresponds, and adapter sleeve middle part periphery is equipped with ratchet spanner respectively, and adapter sleeve middle part periphery is ratchet column structure, and the adapter sleeve homoenergetic matches with the ratchet spanner that corresponds, all is equipped with guider between sleeve inner wall one side and the lead screw that corresponds.
According to the universal ground wire cross arm fixture for the power transmission line, the fastening groove is formed in the top surface of the rear portion of the fixing clamp arm and communicated with the through groove, the outer thread portion is arranged on the periphery of the lower end of the fastening nut, and the lower end of the fastening nut can be in threaded connection with the fastening groove. Fastening nut and fastening groove, fastening nut and anchorage bar are screw-thread fit, avoid tight each part to remove at will, ensure to fix the card arm and be connected with the cross arm, and fixed effectual, it is stable to use.
According to the fixture for the universal ground wire cross arm of the power transmission line, the guide device comprises the guide grooves and the guide blocks, the guide grooves are formed in the outer sides of the lead screws respectively, the guide blocks are arranged in the guide grooves respectively and can move along the corresponding guide grooves, and the outer sides of the guide blocks are fixedly connected with the corresponding sleeves respectively. The guide block can move along the corresponding guide groove, plays a guiding role in the lead screw, and is simple in structure, stable to use and low in cost.
According to the universal ground wire cross arm fixture for the power transmission line, the wire lifting hook body is lengthened and has an anti-unhooking radian. The anti-unhooking design does not influence normal lifting ground wires, can also prevent unhooking, avoids influencing the work process.
According to the universal ground wire cross arm fixture for the power transmission line, the left side and the right side in the through hole are respectively provided with the cross rod in a bearing mode, and the inner ends of the cross rods are fixedly connected with the corresponding lantern rings. Can change the angle of use of the vertical direction of lifting hook to the lifting hook catches on the ground wire, convenient to use, the practicality is strong.
According to the universal ground wire cross arm fixture for the power transmission line, the inner walls of the wire lifting hooks are respectively provided with the arc-shaped grooves, and a plurality of balls which are distributed uniformly are movably arranged in the grooves. The friction between the wire lifting hook and the ground wire can be effectively reduced, and the service life of the ground wire is prolonged.
According to the universal ground wire cross arm clamp for the power transmission line, the central lines of the through hole and the through groove are collinear. Each part of this device is rationally distributed, saves space, conveniently carries and uses.
The beneficial effects of the utility model reside in that, the utility model discloses structural design is simple, and is simple to handle, can install according to the cross arm width, and fixed effectual, the adaptation face is wide, and the application of lead screw has improved ground wire and has promoted precision and stationarity, has overcome the short problem of drawing the difficulty of ground wire apart from tower material stroke simultaneously, and the application of two wire lifting hooks has reduced the damage to the ground wire.
The utility model discloses shortened overhead earth wire and series gold utensil and in installing, overhauld and the operating time who changes the in-process, shortened the power failure activity duration, reduced operation personnel's on the tower intensity of labour and number, more improved work efficiency when improving factor of safety.
The utility model discloses the preparation is simple and easy, and the maintenance cost is extremely low, and the life cycle is long, and the quality is light, and convenient to carry has improved transmission line workman's operating condition, is fit for using widely.
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, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention; FIG. 2 is an enlarged view of a cross-sectional view taken along line A-A of FIG. 1; FIG. 3 is an enlarged view of the view of FIG. 1 taken along line B; fig. 4 is an enlarged view of part i of fig. 1.
In the figure, a fixed clamping arm 1, a through groove 2, a fastening rod 3, a fastening nut 4, a through hole 5, a lantern ring 6, a screw rod 7, a connecting sleeve 8, a sleeve 9, a wire lifting hook 10, a guide device 11, a fastening groove 12, a guide groove 13, a guide block 14, a cross rod 15, a groove 16, a ball 17 and a ratchet wrench 18.
Detailed Description
In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
A universal ground wire cross arm clamp for a power transmission line comprises a fixed clamp arm 1, wherein a strip-shaped through groove 2 is formed in the top surface of the rear portion of the fixed clamp arm 1, L-shaped fastening rods 3 are respectively arranged on the left side and the right side in the through groove 2, the fastening rods 3 can move along the through groove 2, the upper ends of the fastening rods 3 are threaded, fastening nuts 4 are respectively installed at the upper ends of the fastening rods 3 in a threaded mode, the fastening nuts 4 are respectively located on the top surface of the fixed clamp arm 1 and are in contact with the top surface of the fixed clamp arm 1, through holes 5 are respectively formed in the left side and the right side of the top surface of the fixed clamp arm 1, lantern rings 6 are respectively installed in the through holes 5, lead screws 7 are respectively arranged in the lantern rings 6, the lead screws 7 can move up and down along the lantern rings 6, wire lifting hooks 10 are respectively fixedly installed at the lower ends of the lead screws 7, connecting sleeves, the inner end of the sleeve 9 and the upper end and the lower end of the corresponding connecting sleeve 8 are connected through bearings, the lower end of the lower sleeve 9 on the lower side can be matched with the corresponding sleeve ring 6 in a clamping mode, the lead screw 7 penetrates through the corresponding sleeve 9, ratchet wrenches 18 are arranged on the periphery of the middle of the connecting sleeve 8 respectively, the periphery of the middle of the connecting sleeve 8 is of a ratchet-shaped structure, the connecting sleeve 8 can be matched with the corresponding ratchet wrenches 18, and a guide device 11 is arranged between one side of the inner wall of the sleeve 9 and the. When the novel tower is used, an operator on the tower firstly performs primary adjustment on the length of the screw 7, the ratchet wrench 18 is adjusted to be in an out-of-operation state, the operator on the tower holds the sleeve 9 on one hand, rotates the connecting sleeve 8 on the other hand, the connecting sleeve 8 is in threaded fit with the screw 7, and the guide device 11 is arranged between the sleeve 9 and the screw 7 and limits the rotary motion of the screw 7, so that the screw 7 can convert the rotary motion of the connecting sleeve 8 into linear motion, namely, the length of the screw 7 is quickly adjusted, so that the height of the wire lifting hook 10 is adapted to the height of a ground wire, the novel tower can be suitable for the condition that the heights of two sides of the ground wire are not consistent, and the practicability of the novel tower; after the ground wire is hooked by the wire lifting hook 10, an operator on the tower installs the fixed clamp arm 1 and the cross arm together, the operator on the tower holds the fastening rod 3 by one hand, rotates the fastening nut 4 by the other hand, adjusts the length of the fastening rod 3, moves the fastening rod 3 to two sides of the cross arm along the through groove 2 after adjustment, so that the cross arm is suitable for cross arms with different widths, is wide in application range and strong in practicability, then moves the fastening rod 3 and the fastening nut 4 upwards until the lower end of the fastening rod 3 is contacted with the bottom surface of the cross arm, and rotates the fastening nut 4 reversely at the moment to enable the fastening nut 4 to be contacted with the top surface of the fixed clamp arm 1, so that the fixed clamp arm 1 is installed on the cross arm, and is good in fixing effect and convenient to use; after the installation and fixation are finished, an operator on the tower rotates the connecting sleeve 8 reversely, and similarly, the lead screw 7 moves upwards quickly, so that the wire lifting hook 10 bears the force application of the ground wire, then the operator on the tower connects the sleeve 9 on the lower side with the sleeve ring 6 in a clamping manner, the ratchet wrench 18 is adjusted to be in a working state, two hands of the operator on the tower respectively hold the ratchet wrench 18 to swing, and because the sleeve 9 on the lower side is matched with the sleeve ring 6 in a clamping manner and friction force exists between the sleeve 9 and the sleeve ring 6, the position of the sleeve 9 on the lower side is adjusted, so that the ratchet wrench 18 swings to drive the connecting sleeve 8 to rotate, under the action of the guide device 11, the connecting sleeve 8 rotates to enable the lead screw 7 to continue moving upwards, and the ratchet wrench 18 is swung repeatedly; the lead screw 7 moves simultaneously to enable the ground wires on two sides of the hanging point to be stressed uniformly and lifted at a constant speed, and after the overhead ground wires are lifted to a certain height, the maintenance and replacement work of the overhead ground wires and series hardware thereof can be carried out. The utility model discloses structural design is simple, and the simple installation can be installed according to the cross arm width, and is fixed effectual, and the adaptation face is wide, and the application of lead screw has improved ground wire and has promoted precision and stationarity, has overcome the short problem of drawing the difficulty of ground wire apart from tower material stroke simultaneously, and the application of two wire lifting hooks has reduced the damage to the ground wire. The utility model discloses shortened overhead earth wire and series gold utensil and in installing, overhauld and the operating time who changes the in-process, shortened the power failure activity duration, reduced operation personnel's on the tower intensity of labour and number, more improved work efficiency when improving factor of safety. The utility model discloses the preparation is simple and easy, and the maintenance cost is extremely low, and the life cycle is long, and the quality is light, and convenient to carry has improved transmission line workman's operating condition, is fit for using widely.
Wherein, the fastening rod 3 uses with fastening nut 4 cooperation, can install fixing clip arm 1 on the cross arm, fixing clip arm 1 rear portion top surface set up fastening groove 12, fastening groove 12 communicates with each other with penetrating groove 2, fastening nut 4 lower extreme periphery is equipped with external screw thread portion, fastening nut 4 lower extreme can with fastening groove 12 threaded connection. When installing fixing clip arm 1, the workman separates fastening nut 4 and fastening groove 12 earlier, move anchorage bar 3 along penetrating groove 2 to with the contact of cross arm both sides, length adjustment when accomplishing the installation promptly, carry out height control after that, hold anchorage bar 3 on the one hand, rotate anchorage nut 4 on the other hand, make anchorage nut 4 move down to fastening groove 12 in, anchorage nut 4 and fastening groove 12, anchorage nut 4 is screw-thread fit with anchorage bar 3, avoid tight each part to remove at will, ensure being connected of fixing clip arm 1 and cross arm, it is fixed effectual, stable in utilization.
The guide device 11 can limit the rotary motion of the lead screw 7, and ensure that the lead screw 7 converts the rotary motion of the connecting sleeve 6 into linear motion, the guide device 11 comprises a guide groove 13 and a guide block 14, the outer side of the lead screw 7 is respectively provided with the guide groove 13, the guide blocks 14 are respectively arranged in the guide grooves 13, the guide blocks 14 can move along the corresponding guide grooves 13, and the outer sides of the guide blocks 14 are respectively fixedly connected with the corresponding sleeves 9. The guide block 14 can move along the corresponding guide groove 13, plays a role in guiding the screw 7, and is simple in structure, stable to use and low in cost.
A worker contacts the wire lifting hook 10 with the ground wire and lifts the ground wire, and the hook body of the wire lifting hook 10 is lengthened and has an anti-unhooking radian. The anti-unhooking design does not influence normal lifting ground wires, can also prevent unhooking, avoids influencing the work process.
When the lifting hook is used, the wire lifting hook 10 is matched with the ground wire so as to lift the ground wire, the left side and the right side in the through hole 5 are respectively provided with the cross rod 15 in a bearing mode, and the inner end of each cross rod 15 is fixedly connected with the corresponding lantern ring 6. The workman adjusts the use angle of lifting wire hook 10 according to the actual position of ground wire, and swing back and forth lead screw 7, lead screw 7 swing drive lantern ring 6 swings in through-hole 5, and then can change the use angle of the vertical direction of lifting wire hook 10 to lifting wire hook 10 catches on the ground wire, convenient to use, and the practicality is strong.
When the wire lifting hook 10 lifts the ground wire, abrasion to the ground wire is inevitably caused, arc-shaped grooves 16 are respectively formed in the inner wall of the wire lifting hook 10, and a plurality of balls 17 which are distributed uniformly are movably mounted in the grooves 16. When the ground wire is lifted, the ball 17 can be in contact with the ground wire, the ball 17 can rotate in the contact process, the friction between the wire lifting hook 10 and the ground wire is effectively reduced, and the service life of the ground wire is prolonged.
In order to be convenient to carry and use, all parts of the device are reasonably arranged, and the central lines of the through holes 5 and the through grooves 2 are collinear. The central lines of the through holes 5 and the through grooves 2 are collinear, and all parts of the device are reasonable in layout, space is saved, and the device is convenient to carry and use.
Although the present invention has been described in detail by referring to the drawings in conjunction with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and substance of the present invention, and these modifications or substitutions are intended to be within the scope of the present invention/any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. The utility model provides a general ground wire cross arm fixture of transmission line which characterized in that: comprises a fixed clamp arm (1), a strip-shaped through groove (2) is formed in the top surface of the rear part of the fixed clamp arm (1), L-shaped fastening rods (3) are respectively arranged on the left side and the right side in the through groove (2), the fastening rods (3) can move along the through groove (2), the upper ends of the fastening rods (3) are threaded parts, fastening nuts (4) are respectively installed on the upper ends of the fastening rods (3) in a threaded manner, the fastening nuts (4) are respectively positioned on the top surface of the fixed clamp arm (1) and are in contact with the top surface of the fixed clamp arm (1), through holes (5) are respectively formed in the left side and the right side of the top surface of the front part of the fixed clamp arm (1), lantern rings (6) are respectively installed in the through holes (5), lead screws (7) are respectively arranged in the lantern rings (6), the lead screws (7) can move up and down along the lantern rings (6), a wire lifting, adapter sleeve (8) homoenergetic is with lead screw (7) screw-thread fit who corresponds, both ends periphery is equipped with sleeve (9) respectively about adapter sleeve (8), sleeve (9) the inner and adapter sleeve (8) that correspond about both ends are the bearing and are connected, sleeve (9) lower extreme homoenergetic of downside can cooperate with the lantern ring (6) joint that corresponds, lead screw (7) pass corresponding sleeve (9), adapter sleeve (8) middle part periphery is equipped with ratchet spanner (18) respectively, adapter sleeve (8) middle part periphery is ratchet column structure, adapter sleeve (8) homoenergetic matches with ratchet spanner (18) that correspond, all be equipped with guider (11) between sleeve (9) inner wall one side and the lead screw (7) that corresponds.
2. The universal ground wire cross arm clamp for the power transmission line according to claim 1, characterized in that: the top surface of the rear part of the fixed clamping arm (1) is provided with a fastening groove (12), the fastening groove (12) is communicated with the through groove (2), the periphery of the lower end of the fastening nut (4) is provided with an external thread part, and the lower end of the fastening nut (4) can be in threaded connection with the fastening groove (12).
3. The universal ground wire cross arm clamp for the power transmission line according to claim 1, characterized in that: the guide device (11) comprises guide grooves (13) and guide blocks (14), the guide grooves (13) are formed in the outer sides of the lead screws (7), the guide blocks (14) are arranged in the guide grooves (13) respectively, the guide blocks (14) can move along the corresponding guide grooves (13), and the outer sides of the guide blocks (14) are fixedly connected with the corresponding sleeves (9) respectively.
4. The universal ground wire cross arm clamp for the power transmission line according to claim 1, characterized in that: the hook body of the thread lifting hook (10) is lengthened and has an anti-unhooking radian.
5. The universal ground wire cross arm clamp for the power transmission line according to claim 1, characterized in that: the left side and the right side in the through hole (5) are respectively provided with a cross rod (15) in a bearing mode, and the inner end of each cross rod (15) is fixedly connected with the corresponding lantern ring (6).
6. The universal ground wire cross arm clamp for the power transmission line according to claim 1, characterized in that: arc-shaped grooves (16) are respectively formed in the inner walls of the wire lifting hooks (10), and a plurality of balls (17) which are distributed uniformly are movably mounted in the grooves (16).
7. The universal ground wire cross arm clamp for the power transmission line according to claim 1, characterized in that: the central lines of the through hole (5) and the through groove (2) are collinear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921210809.1U CN210380017U (en) | 2019-07-26 | 2019-07-26 | Universal ground wire cross arm clamp for power transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921210809.1U CN210380017U (en) | 2019-07-26 | 2019-07-26 | Universal ground wire cross arm clamp for power transmission line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210380017U true CN210380017U (en) | 2020-04-21 |
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ID=70247458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921210809.1U Expired - Fee Related CN210380017U (en) | 2019-07-26 | 2019-07-26 | Universal ground wire cross arm clamp for power transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210380017U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111799696A (en) * | 2020-06-29 | 2020-10-20 | 国家电网有限公司 | Tool for replacing ultra-high voltage transmission line clamp |
-
2019
- 2019-07-26 CN CN201921210809.1U patent/CN210380017U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111799696A (en) * | 2020-06-29 | 2020-10-20 | 国家电网有限公司 | Tool for replacing ultra-high voltage transmission line clamp |
| CN111799696B (en) * | 2020-06-29 | 2021-07-06 | 国家电网有限公司 | Tool for replacing ultra-high voltage transmission line clamp |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200421 Termination date: 20200726 |