CN215185762U - Suspension clamp - Google Patents
Suspension clamp Download PDFInfo
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- CN215185762U CN215185762U CN202120704358.8U CN202120704358U CN215185762U CN 215185762 U CN215185762 U CN 215185762U CN 202120704358 U CN202120704358 U CN 202120704358U CN 215185762 U CN215185762 U CN 215185762U
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Abstract
The utility model discloses a suspension clamp, which comprises a supporting arc plate, two hanging plates, a pressing bar and two U-shaped screws, wherein the middle parts of the two sides of the supporting arc plate are fixedly provided with connecting rods, the connecting rods are movably provided with the hanging plates, and two groups of symmetrical positioning plates are fixedly arranged below the two sides of the supporting arc plate; the hanging plate is provided with a connecting hole, a hanging hole and a supporting hole, a first reinforcing sleeve is embedded in the connecting hole, and the first reinforcing sleeve penetrates through the connecting hole and extends to two sides of the hanging plate; a second reinforcing sleeve is embedded in the hanging hole and penetrates through the hanging hole and extends towards two sides of the hanging plate; the link plate is connected with the connecting rod rotation through first uide bushing. This suspension clamp structural strength is high, and the link plate is big with the connecting rod area of contact who supports the arc board both sides, and connecting rod, suspension bolt surface are difficult for forming the groove mark, and the lightning conductor is difficult for producing relative motion with the support arc board, simple structure, and the reliability is high.
Description
Technical Field
The utility model belongs to the technical field of the electric power fitting technique and specifically relates to indicate a suspension clamp.
Background
The suspension clamp is used for fixing the conductor on an insulator string of a linear tower, suspending the lightning conductor on the linear tower, and also can be used for supporting a transposed conductor on a transposition tower and fixing a jumper wire of a strain corner tower. The conventional design product of the suspension clamp keeps a U-shaped bolt pattern (generally called a boat-shaped clamp) at present, the suspension clamp comprises a hanging frame U-shaped bolt, a clamp hull made of malleable cast iron and a pressing plate, the clamp wire and the lightning conductor can be used, the clamp wire and the lightning conductor can bear the installation load of the wire in a vertical span, and the clamp wire is not allowed to slide or separate from an insulator string when a line normally runs or is broken. According to the investigation, the section that takes place overhead ground wire to fall off the line all is in the great area of wind-force, has two because of the reason that suspension clamp wearing and tearing caused the ground wire to fall off through the inspection: (1) due to the action of wind power, the relative motion is generated between the hull of the suspension clamp and the hanging plate, and the hanging plate swings at a small angle around a hanging shaft of the hull. Because the hanging plate is thin, the swinging action of the hanging plate is as if the blade cuts down and the groove mark appears, so that the stressed section of the hanging shaft of the ship body becomes thin and small, when the groove mark reaches a certain degree, the ship body of the cable clamp falls off from the suspension cable clamp under the action of the weight of the lightning conductor, and the lightning conductor disconnection grounding accident happens; (2) the suspension wire clamp is too large or the lightning conductor is not compressed, and the lightning conductor and the wire clamp hull generate relative motion under the action of wind power, so that the lightning conductor is abraded; under the action of wind power or strong lightning current, the lightning conductor is scraped or blown, so that the lightning conductor falls off from the suspension clamp, and accidents similar to the above happen. The utility model discloses a utility model patent application No. 202011365675.8 discloses a suspension clamp that prevention link plate drops, this patent is through placing the electric wire in the standing groove, then block the U-shaped staple bolt in the draw-in groove, then the operator passes through swivel nut, make the length that the adjustment threaded rod stretches out, the clamping degree of control U-shaped staple bolt and standing groove, through having set up the hanger lower part with the fastener main part, whole fastener main part has been increased, although this mode has strengthened the fastening of hanger to a certain extent, the area of contact of hanger lower part and fastener main part still does not change, when the groove mark reaches a certain degree, under the effect of lightning conductor weight, the standing groove still can drop from the suspension clamp, take place the lightning conductor and fall off the line ground connection accident; and the setting of parts such as torsional spring, extension spring, card needle, pinhole in this patent though can avoid the lightning conductor to a certain extent to produce relative motion with the standing groove, nevertheless seem this suspension clamp structure complicated, high in manufacturing cost, the practicality is low greatly.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a suspension clamp, this suspension clamp structural strength is high, and the link plate is big with the connecting rod area of contact who supports the arc board both sides, and connecting rod, suspension bolt surface are difficult for forming the groove mark, and the lightning conductor is difficult for producing relative motion with the support arc board, simple structure, and the reliability is high.
In order to achieve the purpose, the utility model adopts the following technical proposal:
a suspension clamp comprises a supporting arc plate, two hanging plates, a pressing bar and two U-shaped screws, wherein connecting rods are fixedly arranged in the middle of two sides of the supporting arc plate, the hanging plates are movably arranged on the connecting rods, two groups of symmetrical positioning plates are fixedly arranged below two sides of the supporting arc plate, and positioning clamping grooves are formed in the upper portion of the supporting arc plate and in the positions corresponding to the positioning plates of each group; the U-shaped screws cross the supporting arc plates, the lower parts of the U-shaped screws are fixed in the two positioning clamping grooves, threaded rods are arranged at the end parts of the U-shaped screws and penetrate through the positions between each group of positioning plates on the corresponding side, and the U-shaped screws are fixed on the supporting arc plates by installing fixing nuts on the threaded rods; the pressing strip is arranged between the supporting arc plate and the two U-shaped screws, and an arc-shaped groove matched with the U-shaped screws is transversely arranged at the upper part of the pressing strip; the hanging plate is provided with a connecting hole, a hanging hole and a supporting hole, a first reinforcing sleeve is embedded in the connecting hole, and the first reinforcing sleeve penetrates through the connecting hole and extends to two sides of the hanging plate; a second reinforcing sleeve is embedded in the hanging hole and penetrates through the hanging hole and extends towards two sides of the hanging plate; the hanging plate is rotatably connected with the connecting rod through a first reinforcing sleeve, and first fixing pins are arranged on the connecting rod and the outer side of the first reinforcing sleeve; hanging bolts penetrate through the two second reinforcing sleeves, and hanging fixing nuts and second fixing pins are mounted on the hanging bolts; and support bolts penetrate through the two support holes, and support fixing nuts and third fixing pins are installed on the support bolts.
Preferably, a plurality of vertical protrusions are uniformly distributed on the inner side of the supporting arc plate.
Preferably, the lower part of the pressing strip is provided with an arc-shaped groove which longitudinally penetrates through the pressing strip.
Preferably, the diameter of the middle part of the supporting bolt is larger than that of the supporting hole.
Preferably, the distance between the two second reinforcing sleeves is smaller than the distance between the two first reinforcing sleeves, and the hanging hole is in transitional connection with the supporting hole.
Further preferably, the fixing nut is fixed on the threaded rod through a locking washer.
According to the technical scheme, the electric wire is placed in the supporting arc plate, then the pressing strip is pressed on the electric wire, the U-shaped screws are clamped among the arc-shaped grooves in the upper portion of the pressing strip, the positioning clamping grooves of the supporting arc plate and the two groups of positioning plates, and the electric wire is tightly locked in the supporting arc plate and the pressing strip by rotating the fixing nuts; the first reinforcing sleeve is embedded in the connecting hole, penetrates through the connecting hole and extends towards the two sides of the hanging plate, so that the connecting hole is not directly contacted with the connecting rod but is sleeved on the connecting rod through the first reinforcing sleeve, the contact area of the first reinforcing sleeve and the connecting rod is far larger than that of the connecting hole and the connecting rod when the first reinforcing sleeve swings along with the hanging plate, and groove marks are not easily formed on the surface of the connecting rod; in a similar way, the second reinforcing sleeve enables the surface of the suspension bolt not to easily form groove marks, so that the phenomenon that the support arc plate falls off from the suspension clamp under the action of the weight of the electric wire when the groove marks reach a certain degree and the electric wire is disconnected and grounded is avoided; through set up the support hole at the link plate to run through on two support holes and set up supporting bolt, improved the bulk joint strength between link plate and the support arc board, reach structural strength height, simple structure, the purpose that the reliability is high.
Drawings
FIG. 1 is a schematic front view of the present suspension clamp;
FIG. 2 is a front view of a support arc plate in the present suspension clamp;
FIG. 3 is a right side view of the present suspension clamp;
fig. 4 is a schematic front view of a hold-down bar in the present suspension clamp.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
as shown in fig. 1-4, the suspension clamp includes a supporting arc plate 10, two hanging plates 20 arranged oppositely, a pressing bar 30 and two U-shaped screws 40, wherein connecting rods 11 are fixedly installed in the middle of two sides of the supporting arc plate 10, the hanging plates 20 are movably installed on the connecting rods 11, two sets of symmetrical positioning plates 12 are fixedly installed below two sides of the supporting arc plate 10, and positioning slots 13 are arranged at the upper part of the supporting arc plate 10 and corresponding positions of each set of positioning plates 12; the U-shaped screws 40 are arranged on the supporting arc plate 10 in a crossing mode, so that the lower portions of the U-shaped screws 40 are positioned and clamped in the two positioning clamping grooves 13, threaded rods 41 are arranged at the end portions of the U-shaped screws 40, the threaded rods 41 penetrate through the positions between each group of the positioning plates 12 on the corresponding side, and the U-shaped screws 40 are fixed on the supporting arc plate 10 through fixing nuts 42 arranged on the threaded rods 41; the pressing strip 30 is arranged between the supporting arc plate 10 and the two U-shaped screws 40, and the upper part of the pressing strip 30 is transversely provided with an arc-shaped groove 31 matched with the U-shaped screws 40, so that the U-shaped screws 40 can be matched with the pressing strip 30 through the arc-shaped groove 31, the contact area between the U-shaped screws 40 and the pressing strip 30 is increased, and meanwhile, the pressing strip 30 is prevented from longitudinally sliding in the supporting arc plate 10; the hanging plate 20 is provided with a connecting hole 21, a hanging hole 22 and a supporting hole 23, wherein a first reinforcing sleeve 24 is embedded in the connecting hole 21, and the first reinforcing sleeve 24 penetrates through the connecting hole 21 and extends towards two sides of the hanging plate 20; the connecting hole 21 can be rotatably connected with the connecting rod 11 through the first reinforcing sleeve 24 instead of being directly contacted with the connecting rod 11, and the first reinforcing sleeve 24 is sleeved on the connecting rod 11, so that the contact area between the first reinforcing sleeve 24 and the connecting rod 11 is far larger than that between the connecting hole 21 and the connecting rod 11 when the first reinforcing sleeve 24 swings along with the hanging plate 20, and a groove mark is not easily formed on the surface of the connecting rod 11; a first fixing pin 241 is arranged on the connecting rod 11 and outside the first reinforcing sleeve 24 to position and fix the first reinforcing sleeve 24; similarly, a second reinforcing sleeve 25 is embedded in the hanging hole 22, and the second reinforcing sleeve 25 penetrates through the hanging hole 22 and extends towards two sides of the hanging plate 20, so that the contact area between the second reinforcing sleeve 25 and the hanging bolts 251 penetrating through the two second reinforcing sleeves 25 is greatly increased while the second reinforcing sleeve 25 swings along with the hanging plate 20, and groove marks are not easily formed on the surfaces of the hanging bolts 251; the suspension bolt 251 is provided with a suspension fixing nut 252 and a second fixing pin 253, so that the second reinforcing sleeve 25 is positioned and fixed, and the use reliability of the suspension clamp is improved; in a similar way, the supporting bolts 26 penetrate through the two supporting holes 23, the supporting bolts 26 are provided with the supporting fixing nuts 261 and the third fixing pins 262, the two hanging plates 20 are made into a whole by the arrangement of the supporting bolts 26, the reinforcing ribs are used for acting, and the overall connection strength between the hanging plates 20 and the supporting arc plates 10 is indirectly improved. The electric wire is placed in the supporting arc plate 10, then the pressing strip 30 is pressed on the electric wire, the two U-shaped screws 40 are respectively positioned and clamped between the arc-shaped groove 31 at the upper part of the pressing strip 30, the positioning clamping groove 13 of the supporting arc plate 10 and the two groups of positioning plates 12, the electric wire is tightly locked in the supporting arc plate 10 and the pressing strip 30 by rotating the fixing nut 42, the hanging plate 20 is sleeved on the connecting rod 11 through the first reinforcing sleeve 24, so that groove marks are not easily formed on the surface of the connecting rod 11, and the groove marks are not easily formed on the surface of the hanging bolt 251 due to the arrangement of the second reinforcing sleeve 25, so that the electric wire is prevented from falling from the suspension wire clamp and being grounded due to the fact that the groove marks reach a certain degree under the self weight of the electric wire; the mating support bolts 26 improve the overall strength of the connection between the hanger plate 20 and the support arc plate 10.
In a preferred embodiment, a plurality of vertical protrusions 14 are uniformly distributed on the inner side of the supporting arc plate 10, an arc groove 32 longitudinally penetrating through the pressing strip 30 is arranged at the lower part of the pressing strip 30, the arc groove 32 greatly increases the contact area between the pressing strip 30 and the electric wire, the vertical protrusions 14 and the arc groove 32 cooperate to greatly increase the friction force between the electric wire and the supporting arc plate 10 and between the electric wire and the pressing strip 30, and the electric wire is not easy to move relative to the supporting arc plate 10.
In another preferred embodiment, the diameter of the middle part of the supporting bolt 26 is larger than that of the supporting hole 23, so that the middle part of the supporting bolt 26 has certain positioning and limiting functions; the distance between the two second reinforcing sleeves 25 is smaller than the distance between the two first reinforcing sleeves 24, and the hanging hole 22 and the supporting hole 23 are in transition connection, so that the pulling force between the hanging hole 22 and the supporting hole 23 is buffered through transition connection, and the service life and the reliability of the suspension clamp are indirectly improved. Furthermore, the fixing nut 42 is fixed on the threaded rod 41 through the anti-loosening gasket 43, so that the fixing nut 42 is prevented from slipping off the threaded rod 41 due to long-term stress and vibration.
In the technical scheme, firstly, the electric wire is placed in the supporting arc plate 10, then the pressing strip 30 presses the electric wire, the two U-shaped screws 40 are respectively positioned and clamped between the arc-shaped groove 31 at the upper part of the pressing strip 30, the positioning clamping groove 13 of the supporting arc plate 10 and the two groups of positioning plates 12, and the electric wire is tightly locked in the supporting arc plate 10 and the pressing strip 30 by rotating the fixing nut 42; the suspension line clamp is fixed on an insulator string of a linear tower in a matching way through a second reinforcing sleeve 25 and a suspension bolt 251 and is locked and fixed through a suspension fixing nut 252 and a second fixing pin 253; the vertical protrusions 14 and the arc grooves 32 have the combined action, so that the friction force between the electric wire and the supporting arc plate 10 and between the electric wire and the pressing strip 30 is large, and the electric wire is not easy to move relative to the supporting arc plate 10; the first reinforcing sleeve 24 makes the surface of the connecting rod 11 not easy to form groove marks, and the second reinforcing sleeve 25 makes the surface of the suspension bolt 251 not easy to form groove marks; this suspension clamp structural strength is high, and the link plate is big with the connecting rod area of contact who supports the arc board both sides, and connecting rod, suspension bolt surface are difficult for forming the groove mark, and the lightning conductor is difficult for producing relative motion with the support arc board, simple structure, and the reliability is high.
The embodiment is only for the illustration of the concept and implementation of the present invention, and is not limited thereto, and the technical solution without substantial transformation is still within the protection scope under the concept of the present invention.
Claims (6)
1. A suspension clamp comprises a supporting arc plate, two hanging plates, a pressing bar and two U-shaped screws, wherein connecting rods are fixedly arranged in the middle of two sides of the supporting arc plate, the hanging plates are movably arranged on the connecting rods, two groups of symmetrical positioning plates are fixedly arranged below two sides of the supporting arc plate, and positioning clamping grooves are formed in the upper portion of the supporting arc plate and in the positions corresponding to the positioning plates of each group; the U-shaped screws cross the supporting arc plates, the lower parts of the U-shaped screws are fixed in the two positioning clamping grooves, threaded rods are arranged at the end parts of the U-shaped screws and penetrate through the positions between each group of positioning plates on the corresponding side, and the U-shaped screws are fixed on the supporting arc plates by installing fixing nuts on the threaded rods; the pressing strip is arranged between the supporting arc plate and the two U-shaped screws, and an arc-shaped groove matched with the U-shaped screws is transversely arranged at the upper part of the pressing strip; the hanging plate is characterized in that a connecting hole, a hanging hole and a supporting hole are formed in the hanging plate, a first reinforcing sleeve is embedded in the connecting hole and penetrates through the connecting hole and extends to two sides of the hanging plate; a second reinforcing sleeve is embedded in the hanging hole and penetrates through the hanging hole and extends towards two sides of the hanging plate; the hanging plate is rotatably connected with the connecting rod through a first reinforcing sleeve, and first fixing pins are arranged on the connecting rod and the outer side of the first reinforcing sleeve; a hanging bolt penetrates through the second reinforcing sleeves of the two hanging plates, and a hanging fixing nut and a second fixing pin are installed on the hanging bolt; support bolts penetrate through the support holes of the two hanging plates, and support fixing nuts and third fixing pins are installed on the support bolts.
2. The suspension clamp of claim 1, wherein the support arc plates have a plurality of vertical protrusions disposed on an inner side of the support arc plates.
3. A suspension clamp as claimed in claim 2, wherein the lower portion of the bead is provided with an arcuate slot extending longitudinally through the bead.
4. A suspension clamp as claimed in claim 1, wherein the support bolt has a central diameter greater than the support hole diameter.
5. The suspension clamp of claim 1, wherein the distance between the second reinforcing sleeves is less than the distance between the first reinforcing sleeves, and the hanging hole and the support hole are in transitional communication.
6. A suspension clamp as claimed in claim 1, wherein the fixing nut is secured to the threaded rod by a locking washer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120704358.8U CN215185762U (en) | 2021-04-07 | 2021-04-07 | Suspension clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120704358.8U CN215185762U (en) | 2021-04-07 | 2021-04-07 | Suspension clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215185762U true CN215185762U (en) | 2021-12-14 |
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ID=79359255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120704358.8U Active CN215185762U (en) | 2021-04-07 | 2021-04-07 | Suspension clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215185762U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114284974A (en) * | 2021-12-31 | 2022-04-05 | 江苏同丹电力科技有限公司 | Energy-saving device of suspension clamp and using method thereof |
| CN116231568A (en) * | 2023-05-09 | 2023-06-06 | 国网山东省电力公司安丘市供电公司 | Suspension clamp of power supply line |
-
2021
- 2021-04-07 CN CN202120704358.8U patent/CN215185762U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114284974A (en) * | 2021-12-31 | 2022-04-05 | 江苏同丹电力科技有限公司 | Energy-saving device of suspension clamp and using method thereof |
| CN114284974B (en) * | 2021-12-31 | 2024-02-13 | 江苏同丹电力科技有限公司 | Energy-saving device of suspension clamp and use method thereof |
| CN116231568A (en) * | 2023-05-09 | 2023-06-06 | 国网山东省电力公司安丘市供电公司 | Suspension clamp of power supply line |
| CN116231568B (en) * | 2023-05-09 | 2023-08-22 | 国网山东省电力公司安丘市供电公司 | Suspension clamp of power supply line |
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