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CN-121440458-B - Anti-off wedge type insulating strain clamp

CN121440458BCN 121440458 BCN121440458 BCN 121440458BCN-121440458-B

Abstract

The invention relates to the technical field of strain clamps, in particular to an anti-off-line wedge type insulating strain clamp. The two connecting plates are hinged to one ends of the first wedge-shaped shell and the second wedge-shaped shell respectively, the two connecting plates are hinged to each other through bolts, two mounting mechanisms are arranged, the two mounting mechanisms are arranged on the inner sides of the first wedge-shaped shell and the inner sides of the second wedge-shaped shell respectively, each self-locking mechanism comprises a self-locking assembly and a self-locking plate, the self-locking assembly is fixedly arranged on the first wedge-shaped shell, the self-locking plates are fixedly arranged on the second wedge-shaped shell, the self-locking assembly and the self-locking plates are provided with two groups and are respectively arranged on two sides of the first wedge-shaped shell and two sides of the second wedge-shaped shell, and the limiting mechanism is movably arranged in a groove formed by combining the first wedge-shaped shell and the second wedge-shaped shell. According to the invention, through the cooperative work of the three mechanisms, the quick installation, convenient disassembly and assembly and reliable fixation of the insulating wire clamp are realized, and the construction efficiency and the operation convenience are greatly improved.

Inventors

  • JI JIJIE

Assignees

  • 山西永强电气有限公司

Dates

Publication Date
20260505
Application Date
20251114

Claims (9)

  1. 1. The anti-drop wedge-shaped insulating strain clamp is characterized by comprising a first wedge-shaped shell (1), a second wedge-shaped shell (2), connecting plates (3), bolts (4), a mounting mechanism (5), a self-locking mechanism (6) and a limiting mechanism (7), wherein the two connecting plates (3) are arranged, the two connecting plates (3) are respectively hinged to one ends of the first wedge-shaped shell (1) and the second wedge-shaped shell (2), the two connecting plates (3) are hinged together through the bolts (4), the two mounting mechanisms (5) are arranged, the two mounting mechanisms (5) are respectively arranged on the inner sides of the first wedge-shaped shell (1) and the second wedge-shaped shell (2), the self-locking mechanism (6) comprises a self-locking assembly (60) and a self-locking plate (61), the self-locking assembly (60) is fixedly arranged on the first wedge-shaped shell (1), the self-locking assembly (60) and the self-locking plate (61) are respectively hinged to one end of the first wedge-shaped shell (2), the two self-locking assembly (60) and the self-locking plate (61) are respectively arranged on two groups of the first wedge-shaped shell (1) and the second wedge-shaped shell (2), and the two self-locking assembly (6) are respectively arranged on the inner sides of the first wedge-shaped shell (1) and the second wedge-shaped shell (2) and the second wedge-shaped shell (1; The mounting mechanism (5) comprises a stressed telescopic rod (51), a contact ring (52), an expansion rod (53), sliding blocks (54), pushing plates (55), clamping rings (56) and extension rods (57), wherein one ends of the stressed telescopic rod (51) are fixedly arranged at the centers of sliding grooves (11), the contact ring (52) is fixedly arranged at the other ends of the stressed telescopic rod (51), the expansion rods (53) are arranged in two, the two ends of the contact ring (52) are hinged respectively, the sliding blocks (54) are arranged in two, the two ends of the two expansion rods (53) are hinged to one end of the contact ring (52) away from, the two ends of the sliding plates (55) are hinged to one end of the two sliding blocks (54), the two ends of the extension rods (57) are hinged to one end of the two sliding plates (55), the two ends of the two extension rods (57) are fixed to the bottoms of the two clamping rings (56) respectively, and the other ends of the two extension rods are fixed to the sliding grooves (11).
  2. 2. The anti-drop wedge-type insulating strain clamp of claim 1, wherein the connecting plate (3) comprises a first connecting hole (31), a second connecting hole (32) and a first nut (33), the first connecting hole (31) is formed in one end of the connecting plate (3) where the first wedge-shaped shell (1) and the second wedge-shaped shell (2) are connected, the second connecting hole (32) is formed in one end of the connecting plate (3) where the connecting bolt (4) is connected, and the first wedge-shaped shell (1) and the second wedge-shaped shell (2) are hinged to the connecting plate (3) through the first nut (33).
  3. 3. The anti-drop wedge-type insulating strain clamp according to claim 2, wherein the first wedge-shaped shell (1) and the second wedge-shaped shell (2) further comprise two third connecting holes (13), the two third connecting holes (13) are respectively arranged at the end parts of the first wedge-shaped shell (1) and the second wedge-shaped shell (2), and the connecting plate (3) is hinged by a first nut (33) through the first connecting holes (31) and the third connecting holes (13).
  4. 4. The anti-drop wedge-type insulating strain clamp of claim 1, wherein the bolt (4) comprises two second nuts (41), and the two second nuts (41) are hinged to two ends of the bolt (4) respectively.
  5. 5. The anti-drop wedge-type insulating strain clamp of claim 1, wherein the first wedge-shaped shell (1) and the second wedge-shaped shell (2) further comprise two sliding grooves (11), the two sliding grooves (11) are respectively arranged on the inner sides of the first wedge-shaped shell (1) and the second wedge-shaped shell (2), and the two mounting mechanisms (5) are respectively arranged in the two sliding grooves (11).
  6. 6. The anti-drop wedge-type insulating strain clamp of claim 1, wherein the first wedge-shaped shell (1) and the second wedge-shaped shell (2) further comprise bonding holes (12), one half of the bonding holes (12) are formed in the first wedge-shaped shell (1), the other half of the bonding holes are formed in the second wedge-shaped shell (2), and two groups of bonding holes (12) are formed.
  7. 7. The anti-drop wedge-type insulating strain clamp of claim 1, wherein the self-locking assembly (60) comprises a supporting assembly (600) and a pressing plate (62), the supporting assembly (600) is provided with two, the two supporting assemblies (600) are fixedly connected through the pressing plate (62), the supporting assembly (600) comprises a supporting frame (601), a reset spring (602), a limit post (603), a driven plate (604), a reset telescopic rod (605) and a limit hole (606), the bottom surface of the supporting frame (601) is fixedly arranged on a first wedge-shaped shell (1), the two limit holes (606) are respectively arranged on two sides of the supporting frame (601), the two limit posts (603) are movably arranged on the supporting frame (601) through the two limit holes (606), one ends of the two limit posts (603) are respectively fixedly arranged on the two reset springs (602), the driven plate (604) is provided with two reset springs (605) which are respectively arranged on one ends of the two reset posts (602) which are far away from the top surface of the two reset springs (602), one end, far away from the reset spring (602), of each driven plate (604) is hinged to two sides of the top end of the reset telescopic rod (605), and the top end of the reset telescopic rod (605) is fixedly connected with the pressing plate (62).
  8. 8. The anti-drop wedge-type insulating strain clamp of claim 1, wherein the self-locking plate (61) comprises a self-locking hole (63), the self-locking hole (63) is formed in the self-locking plate (61), and the self-locking hole (63) is matched with the limit column (603).
  9. 9. The anti-drop wedge-type insulating strain clamp according to claim 1 or 6, wherein the limiting mechanism (7) comprises an insulating clamp (71), a supporting extension rod (72), a limiting plate (73), a threaded rod (74), a rotary table (75), clamping grooves (76), threaded holes (77), cable holes (78) and clamp grooves (79), wherein the cable holes (78) are formed in two ends of the insulating clamp (71), two parallel clamping grooves (76) are formed in the surface of the insulating clamp (71), the clamping grooves (76) are matched with the clamping ring (56), two threaded holes (77) are symmetrically formed in the middle of the insulating clamp (71), two threaded rods (74) are hinged in the two threaded holes (77), two rotary tables (75) are fixedly arranged at one ends of the two threaded rods (74) away from the insulating clamp (71) respectively, the rotary table (75) is matched with the bonding holes (12), two threaded rods (73) are arranged at one ends of the two threaded rods (74) away from the two threaded rods (79) respectively, the two threaded rods (73) are fixedly arranged at one ends of the two threaded rods (79) away from the insulating clamp, the two support extension rods (72) are arranged, one ends of the two support extension rods (72) are respectively fixedly arranged in the two wire clamp grooves (79), and the other ends of the two support extension rods are respectively fixedly arranged on the limiting plates (73).

Description

Anti-off wedge type insulating strain clamp Technical Field The invention relates to the technical field of strain clamps, in particular to an anti-off-line wedge type insulating strain clamp. Background With the continuous rapid development of the economic society in China, the living standard of urban and rural residents is obviously improved, higher requirements are provided for the reliability and stability of power supply, the continuous improvement of urban and rural greening coverage rate is adapted, the influence of severe weather such as typhoons and heavy rain on a distribution line is effectively achieved, the insulated overhead wire is widely popularized and used in the distribution network, the power failure accidents caused by tree contact, wind and rain attack and the like can be effectively reduced, the power supply reliability of a power grid is obviously improved, and under the background, the insulated strain clamp is used as a key fitting in the insulated overhead wire, and the installation convenience and the reliability of the insulated strain clamp directly influence the construction efficiency and the operation safety. However, in the installation practice of the existing insulating wire clamp, a wedge-shaped shell is usually required to be assembled in advance, the insulating wire clamp is embedded into a preset placing hole on the surface of the shell, and because the diameter of the placing hole is tightly matched with the outer diameter of the wire clamp, large friction resistance is generated in the assembly process of the placing hole and the outer diameter of the wire clamp, so that the wire clamp is difficult to be smoothly embedded, and constructors often need to finish the installation by means of additional external force, so that the labor intensity is increased, the operation efficiency is reduced, and the overall construction progress and the economical efficiency are further influenced. Therefore, on the premise of ensuring the installation quality, the assembly process of the insulating wire clamp and the wedge-shaped shell is optimized, the installation difficulty is reduced, and the technical problem to be solved in the distribution network construction is urgent. Disclosure of Invention The invention aims to at least solve one of the technical problems in the prior art, and therefore, one aspect of the invention aims to provide an anti-drop wedge-type insulating strain clamp, which comprises a first wedge-shaped shell, a second wedge-shaped shell, two connecting plates, bolts, a mounting mechanism, a self-locking mechanism and a limiting mechanism, wherein the two connecting plates are respectively hinged at one ends of the first wedge-shaped shell and the second wedge-shaped shell and are hinged together through the bolts, the mounting mechanism is provided with two mounting mechanisms which are respectively arranged at the inner sides of the first wedge-shaped shell and the second wedge-shaped shell, the self-locking mechanism comprises a self-locking assembly and a self-locking plate, the self-locking assembly is fixedly arranged on the first wedge-shaped shell, the self-locking plate is fixedly arranged on the second wedge-shaped shell, the self-locking assembly and the self-locking plate are respectively arranged at two groups of the two sides of the first wedge-shaped shell and the second wedge-shaped shell, and the limiting mechanism is movably arranged in grooves of the combination of the first wedge-shaped shell and the second wedge-shaped shell. Preferably, the connecting plate comprises a first connecting hole, a second connecting hole and a first nut, wherein the first connecting hole is formed in one end of the connecting plate, which is connected with the first wedge-shaped shell and the second wedge-shaped shell, the second connecting hole is formed in one end of the connecting bolt of the connecting plate, and the first wedge-shaped shell and the second wedge-shaped shell are hinged with the connecting plate through the first nut. Preferably, the first wedge-shaped shell and the second wedge-shaped shell further comprise third connecting holes, two third connecting holes are respectively formed in the end parts of the first wedge-shaped shell and the end part of the second wedge-shaped shell, and the connecting plate is hinged to the connecting plate through the first connecting holes and the third connecting holes by using first nuts. Preferably, the bolt comprises two second nuts, and the two second nuts are hinged to two ends of the bolt respectively. Preferably, the first wedge-shaped shell and the second wedge-shaped shell further comprise two sliding grooves, the two sliding grooves are respectively arranged on the inner sides of the first wedge-shaped shell and the second wedge-shaped shell, and the two mounting mechanisms are respectively arranged in the two sliding grooves. Preferably, the first wedge-shaped shell and the second wedge-shape