CN222191804U

CN222191804U - An overhead multi-line pole top bracket

Info

Publication number: CN222191804U
Application number: CN202420819425.4U
Authority: CN
Inventors: 崔如佳; 徐旭
Original assignee: Suzhou Stone Steel & Wood Structure Engineering Co ltd
Current assignee: Shi Gangmu Energy Co., Ltd.
Priority date: 2024-04-19
Filing date: 2024-04-19
Publication date: 2024-12-17
Anticipated expiration: 2034-04-19

Abstract

The utility model discloses an overhead multi-line top bar support which comprises a top bar support main body fixedly arranged at the top of an electric pole, wherein auxiliary support frames are fixedly connected to two ends of the top bar support main body, the bottom side of each auxiliary support frame is fixedly connected with the side part of the electric pole, and a distance adjusting mechanism is arranged on the top bar support main body. The utility model not only can realize erection of multi-line cables, but also is convenient for adjusting the distance between each line and each line by arranging the distance adjusting mechanism, so that the device can better adapt to different installation environments and use requirements, and the flexibility and adaptability of the device are increased, and the lines can be more reasonably arranged by adjusting the distance of the lines, so that the conditions of too dense or too sparse lines and disordered and interweaving lines are avoided, the special requirements of different users or application scenes can be met, the limitation in use is smaller, and the device is suitable for popularization and application.

Description

Overhead multi-line bar top support

Technical Field

The utility model relates to the technical field of line brackets, in particular to an overhead multi-line bar top bracket.

Background

As is well known, an overhead line mainly refers to an overhead open line, is erected on the ground, is a power transmission line which is formed by fixing a power transmission wire on a tower erected on the ground by using an insulator so as to transmit electric energy, is convenient to erect and maintain, has low cost, is easily affected by weather and environment to cause faults, occupies more land area, and is easy to cause electromagnetic interference to surrounding environments.

The pole top support used in the conventional overhead line is usually fixed on a tower pole, and as disclosed in CN220107534U in the prior art, the pole top support comprises a first anchor ear, a second anchor ear, support plates, a top frame, a connecting plate and a pole, wherein the first anchor ear is arranged at the top of the pole, two sides of the anchor ear are fastened through screws, the support is tightly fixed on the pole through two groups of anchor ears, four support plates are matched with the connecting plate, the stability of the top frame is greatly improved, the strength of the whole support is further improved by reinforcing ribs on the support plates, and the diameter sizes of the first anchor ear and the second anchor ear are respectively attached to the diameter of the pole at the position of the pole, so that the pole top support can be better fastened on the pole.

However, in the existing overhead multi-line overhead support, in the multi-line overhead operation, because the installation structures between the overhead multi-line overhead supports are all installed and fixed at one position, in the subsequent line overhead operation, the distance between the top supports of each bar cannot be adjusted according to the actual line erection requirement, so that the limitation in the use of the whole device support is large, and the device is difficult to meet the use requirements of different line distances.

Disclosure of utility model

The utility model aims to solve the defects in the prior art and provides an overhead multi-line bar top bracket.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

The overhead multi-line bar top support comprises a bar top support main body fixedly mounted at the top of an electric pole, wherein two ends of the bar top support main body are fixedly connected with auxiliary supporting frames, and the bottom side of each auxiliary supporting frame is fixedly connected with the side part of the electric pole;

The interval adjusting mechanism comprises a pulley track groove arranged at the top of a lever top support main body, a transverse through groove is formed in an adjustable movable frame, the adjustable movable frame is movably sleeved on the lever top support main body through the transverse through groove, a pulley is rotatably arranged in the transverse through groove, the bottom of the pulley is supported in the pulley track groove in a rolling mode, a transverse adjusting groove is formed in the bottom of the lever top support main body, a screw rod which is horizontally arranged is fixedly arranged in the transverse adjusting groove, two bearing seats are fixedly arranged on the inner wall of the bottom of the transverse through groove, the tops of the two bearing seats extend into the transverse adjusting groove, a threaded cylinder is rotatably arranged between the two bearing seats which are positioned in the transverse adjusting groove and is sleeved on the screw rod in threaded connection with the screw rod, a worm wheel is fixedly sleeved on the threaded cylinder, a worm is meshed on the worm wheel, and the bottom end of the worm is rotatably penetrated below the adjustable movable frame and is fixedly connected with a rotating head.

Further, a rotating groove is formed in the bottom of the rotating head, and the rotating groove is specifically an inner hexagonal groove.

Further, a rotating shaft is arranged in the transverse through groove, and the pulley is rotatably arranged in the transverse through groove through the rotating shaft.

Further, the inner wall of the thread cylinder is provided with an internal thread, the outer wall of the screw rod is provided with an external thread, and the external thread on the screw rod is matched with the internal thread on the inner wall of the thread cylinder.

Further, the first bearing is fixedly sleeved on the inner wall of the bottom of the transverse through groove, and the worm is rotatably arranged on the first bearing.

Further, a second bearing is fixedly sleeved on the inner wall of the top of the transverse through groove, and the top end of the worm is rotatably arranged on the second bearing.

By adopting the structure, the utility model has the following beneficial effects:

According to the utility model, not only can erection of multi-line cables be realized, but also the distance between the lines can be conveniently adjusted by arranging the distance adjusting mechanism, so that the device can better adapt to different installation environments and use requirements, and the flexibility and adaptability of the device are improved;

Moreover, by adjusting the distance between the lines, the lines can be more reasonably arranged, so that the conditions of too dense or too sparse lines and line confusion and interweaving are avoided; in addition, the design can meet the special requirements of different users or application scenes, so that the limitation in use is smaller, and the method is suitable for popularization and application.

Drawings

Fig. 1 is a schematic structural view of an overhead multi-line bar top bracket according to the present utility model;

FIG. 2 is an enlarged schematic view of the portion A of FIG. 1 according to the present utility model;

FIG. 3 is a schematic view of the structure among the worm, the worm wheel, the thread cylinder and the screw rod in the utility model;

Fig. 4 is a schematic structural view of a screw cylinder according to the present utility model.

In the figure, 1, an electric pole, 2, a lever top bracket main body, 201, a pulley track groove, 202, a transverse adjusting groove, 3, an adjustable movable frame, 301, a transverse through groove, 302, a pulley, 4, a column type porcelain insulator, 5, an auxiliary support frame, 6, a rotating head, 7, a worm, 8, a worm wheel, 9, a thread cylinder, 10, a bearing seat, 11, a screw rod, 12, a first bearing, 13 and a second bearing.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-4, an overhead multi-line bar top bracket comprises a bar top bracket main body 2 fixedly mounted at the top of an electric pole 1, wherein two ends of the bar top bracket main body 2 are fixedly connected with an auxiliary supporting frame 5, and the bottom side of the auxiliary supporting frame 5 is fixedly connected with the side part of the electric pole 1;

The interval adjusting mechanism comprises a pulley track groove 201 arranged at the top of a lever top support main body 2, a transverse through groove 301 is arranged on an adjustable movable frame 3, the adjustable movable frame 3 is movably sleeved on the lever top support main body 2 through the transverse through groove 301, a pulley 302 is rotatably installed in the transverse through groove 301, the bottom of the pulley 302 is supported in the pulley track groove 201 in a rolling mode, a transverse adjusting groove 202 is arranged at the bottom of the lever top support main body 2, a horizontally arranged screw 11 is fixedly installed in the transverse adjusting groove 202, two bearing seats 10 are fixedly installed on the inner wall of the bottom of the transverse through groove 301, the tops of the two bearing seats 10 extend into the transverse adjusting groove 202, a threaded cylinder 9 is rotatably installed between the two bearing seats 10 located in the transverse adjusting groove 202, the threaded cylinder 9 is sleeved on the screw 11 and is in threaded connection with the screw 11, a worm wheel 8 is fixedly sleeved on the threaded cylinder 9, a worm 7 is meshed on the worm wheel 8, and the bottom end of the worm 7 is rotatably penetrated below the adjustable movable frame 3 and is fixedly connected with a rotating head 6.

In this embodiment, a rotating groove is formed at the bottom of the rotating head 6, and is specifically an inner hexagonal groove, a rotating shaft is installed in the transverse through groove 301, and a pulley 302 is rotatably installed in the transverse through groove 301 through the rotating shaft.

The inner wall of the threaded cylinder 9 is provided with an internal thread, the outer wall of the screw 11 is provided with an external thread, the external thread on the screw 11 is matched with the internal thread on the inner wall of the threaded cylinder 9, a first bearing 12 is fixedly sleeved on the inner wall at the bottom of the transverse through groove 301, the worm 7 is rotatably mounted on the first bearing 12, a second bearing 13 is fixedly sleeved on the inner wall at the top of the transverse through groove 301, and the top end of the worm 7 is rotatably mounted on the second bearing 13.

An overhead multi-line bar top bracket as shown in fig. 1-4 can respectively connect and fix a plurality of cable lines on each column porcelain insulator 4 by arranging a plurality of column porcelain insulators 4, so that erection of multi-line cables can be realized. When cables are erected, the distance between the cable lines is conveniently adjusted by arranging a distance adjusting mechanism, namely, when the distance is adjusted, the rotating head 6 is rotated positively and negatively through a hexagonal wrench, the rotating head 6 drives the worm 7 to be meshed with the worm wheel 8 for transmission, the threaded cylinder 9 can be rotated positively or reversely on the bearing seat 10, the threaded cylinder 9 is rotated relatively to the screw 11, when the threaded cylinder 9 is rotated, the adjustable movable frame 3 can be driven leftwards or rightwards by the threaded cylinder 9 on the bearing seat 10 to carry out threaded transmission on the screw 11, and when the adjustable movable frame 3 moves, the column type porcelain insulation 4 and the cable lines arranged on the column type porcelain insulation 4 are also driven to carry out displacement adjustment, so that the distance between the cable lines can be adjusted according to the actual cable erection requirement, the device can be better adapted to different installation environments and use requirements, and the flexibility and the adaptability of the device are increased;

In addition, the circuit spacing is adjusted to be proper, interference among the circuits and potential short circuit risks are reduced, the overall insulation performance is improved, the safety and reliability of power transmission are ensured, and the design can meet special requirements of different users or application scenes. For example, in some cases a larger line spacing is required, while in other cases a smaller spacing may be required, the adjustability provides more options and customizations possibilities, making the use less restrictive, facilitating the use requirements for different line installations.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. An overhead multi-line pole-top support, comprising a pole-top support body (2) fixedly mounted on the top of a pole (1), characterized in that both ends of the pole-top support body (2) are also fixedly connected to auxiliary support frames (5), and the bottom side of the auxiliary support frame (5) is also fixedly connected to the side of the pole (1); a spacing adjustment mechanism is provided on the pole-top support body (2), and a plurality of adjustable movable frames (3) are movably mounted on the pole-top support body (2) through the spacing adjustment mechanism, and the tops of the plurality of adjustable movable frames (3) are all fixedly mounted with columnar porcelain insulators (4) for fixing the pole-top connection of the lines;

The spacing adjustment mechanism comprises a pulley track groove (201) arranged at the top of the lever top bracket body (2); a transverse through groove (301) is arranged on the adjustable movable frame (3), and the adjustable movable frame (3) is movably sleeved on the lever top bracket body (2) through the transverse through groove (301); a pulley (302) is rotatably installed in the transverse through groove (301), and the bottom of the pulley (302) is rollingly supported in the pulley track groove (201); a transverse adjustment groove (202) is arranged at the bottom of the lever top bracket body (2), and a horizontally arranged screw rod (11) is fixedly installed in the transverse adjustment groove (202). Two bearing seats (10) are fixedly mounted on the bottom inner wall of the transverse through groove (301), and the tops of the two bearing seats (10) extend into the transverse adjustment groove (202). A threaded barrel (9) is rotatably mounted between the two bearing seats (10) in the transverse adjustment groove (202), and the threaded barrel (9) is sleeved on the screw rod (11) and is threadedly connected to the screw rod (11); a worm wheel (8) is fixedly sleeved on the threaded barrel (9), a worm (7) is meshed on the worm wheel (8), and the bottom end of the worm (7) is rotatably penetrated to the bottom of the adjustable movable frame (3) and is fixedly connected to a rotating head (6).

2. An overhead multi-line pole top bracket according to claim 1, characterized in that a rotating groove is provided at the bottom of the rotating head (6), and the rotating groove is specifically a hexagonal groove.

3. An overhead multi-line pole top support according to claim 1, characterized in that a rotating shaft is installed in the transverse through groove (301), and the pulley (302) is rotatably installed in the transverse through groove (301) through the rotating shaft.

4. An overhead multi-line pole top bracket according to claim 1, characterized in that an internal thread is provided on the inner wall of the threaded barrel (9), an external thread is provided on the outer wall of the screw rod (11), and the external thread on the screw rod (11) is adapted to the internal thread on the inner wall of the threaded barrel (9).

5. An overhead multi-line pole top support according to claim 1, characterized in that a first bearing (12) is fixedly sleeved on the bottom inner wall of the transverse through groove (301), and the worm (7) is rotatably mounted on the first bearing (12).

6. An overhead multi-line pole top support according to claim 1, characterized in that a second bearing (13) is fixedly sleeved on the top inner wall of the transverse through groove (301), and the top end of the worm (7) is rotatably mounted on the second bearing (13).