Supporting structure of cross arm for fixing power transmission line

Abstract

The utility model relates to a supporting structure of a cross arm for fixing a power transmission line, which comprises a stand column, the bottom of the stand column is fixedly arranged on the ground, the side wall of the stand column is provided with a vertically arranged locking groove, the stand column is provided with a transversely arranged cross arm, and one end of the cross arm is fixedly connected with the stand column through a first fixing plate. The upper portion of the cross arm is connected with a pulling assembly through a second fixing plate, the other end of the pulling assembly is connected with the upper portion of the cross arm, the lower portion of the cross arm is connected with a supporting rod through a third fixing plate, and the other end of the supporting rod is connected with the lower portion of the cross arm. The first fixing plate, the second fixing plate and the third fixing plate are fixedly connected to the side wall of the stand column through locking pieces used in cooperation with the locking grooves. The supporting device has the advantages of being convenient to adjust, stable in supporting and the like.

Description

Technical Field

[0001] The utility model relates to a supporting structure, in particular to a supporting structure for a cross arm used for fixing a power transmission line, and belongs to the technical field of electric power facilities. Background Art

[0002] In the power system, the erection and fixation of transmission lines are key links in power transmission. As the main supporting component of the transmission line, the stability and safety of the crossarm directly affect the normal operation of the transmission line. At present, the crossarm components of power lines on the market are generally fixed to the power pole body by clamps or bolts. However, since they are only fixed by clamps or bolts, after long-term use, the crossarm may slide down or even fall off, and the transmission line may break, affecting the normal transmission of electricity.

[0003] Therefore, a supporting structure for the cross arm used to fix the transmission line was designed. Utility Model Content

[0004] The utility model mainly aims at the above-mentioned problems existing in the prior art and provides a supporting structure for a cross arm for fixing a power transmission line.

[0005] The purpose of this utility model is mainly achieved through the following solutions:

[0006] A support structure for a cross arm for fixing a transmission line comprises a column, the bottom of the column is fixedly installed on the ground, the side wall of the column is provided with a vertically arranged locking groove, a transversely arranged cross arm is installed on the column, one end of the cross arm is fixedly connected to the column through a first fixing plate, a pulling component is connected to the top of the cross arm through a second fixing plate, the other end of the pulling component is connected to the top of the cross arm, and a support rod is connected to the bottom of the cross arm through a third fixing plate, and the other end of the support rod is connected to the bottom of the cross arm; the first fixing plate, the second fixing plate and the third fixing plate are all fixedly connected to the side wall of the column through locking members used in conjunction with the locking groove.

[0007] Preferably, the locking groove is in a T-shaped structure, and both side walls of the locking groove close to the opening are provided with transverse first anti-slip teeth.

[0008] Preferably, the locking member includes a locking block, a locking column, a locking gasket and a locking gasket, the locking block and the locking column are integrally arranged and have a T-shaped structure, the front and rear side walls of the locking block are in contact with the front and rear inner walls of the locking groove, the locking block is provided with a second anti-slip tooth used in conjunction with the first anti-slip tooth on the side facing the opening, and a limiting protrusion is also provided in the middle of the side facing the opening, and the side wall of the limiting protrusion is in contact with the inner wall of the opening.

[0009] Preferably, the locking column is threadedly connected with a locking nut after passing through the first fixing plate, and a locking washer is provided between the locking nut and the first fixing plate, and the locking washer is sleeved on the outer side wall of the locking column.

[0010] Preferably, the pulling assembly includes a first connecting rod, an insulator, an adjustment assembly and a second connecting rod connected in sequence, a first connecting ear is provided on one side of the second fixed plate, one end of the first connecting rod is connected to the first connecting ear, a connecting block is provided on the upper surface of the cross arm, a second connecting ear is provided above the connecting block, and one end of the second connecting rod is connected to the second connecting ear.

[0011] Preferably, the adjustment assembly comprises a first screw, a second screw and an adjustment sleeve, the interior of the adjustment sleeve is hollow, and both ends are respectively connected to the first screw and the second screw by threads, and the length of the adjustment assembly can be changed by rotating the adjustment sleeve.

[0012] Therefore, compared with the prior art, the utility model has the following advantages:

[0013] (1) The utility model provides a locking groove, a first fixing plate and a locking member on the side wall of the column. The first anti-slip teeth on the locking groove can be engaged and locked with the second anti-slip teeth on the locking member, thereby preventing the locking member, the first fixing plate and the cross arm from sliding in the length direction of the locking groove, thereby achieving a good anti-slip effect.

[0014] (2) The pulling assembly and support rod provided in the utility model can play the role of auxiliary support above and below the cross arm, and the connection is firm and reliable, which ensures the installation stability of the cross arm, prolongs the service life and reduces the maintenance frequency;

[0015] (3) The first fixing plate, the second fixing plate and the third fixing plate of the utility model are all fixed to the upright posts by means of locking members, so that the adjustment of the cross arm in the length direction is convenient, the operation is simple and the practicability is strong. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model;

[0017] Figure 2 It is a structural schematic diagram of the pulling component in the utility model;

[0018] Figure 3 It is a structural schematic diagram of the adjustment component in the utility model;

[0019] Figure 4 It is a structural schematic diagram of the center column of the utility model;

[0020] Figure 5 It is a structural schematic diagram of the locking member in the utility model.

[0021] Illustrations: 1-column, 2-locking groove, 3-cross arm, 4-first fixing plate, 5-second fixing plate, 6-pulling assembly, 7-third fixing plate, 8-support rod, 9-locking piece, 10-first anti-slip tooth, 11-locking block, 12-locking column, 13-locking gasket, 14-locking nut, 15-second anti-slip tooth, 16-limiting protrusion, 17-first connecting rod, 18-insulator, 19-adjusting assembly, 20-second connecting rod, 21-first connecting ear, 22-connecting block, 23-second connecting ear, 24-first screw, 25-second screw, 26-adjusting sleeve. DETAILED DESCRIPTION

[0022] The technical solution of the utility model is further described in detail below through specific embodiments and in combination with the accompanying drawings. It should be understood that the implementation of the utility model is not limited to the following embodiments, and any form of modification and / or change made to the utility model will fall within the protection scope of the utility model.

[0023] In the present invention, unless otherwise specified, all parts and percentages are weight units, and the equipment and raw materials used can be purchased from the market or are commonly used in the field. The methods in the following embodiments, unless otherwise specified, are conventional methods in the field. The components or equipment in the following embodiments, unless otherwise specified, are universal standard parts or components known to those skilled in the art, and their structures and principles are known to those skilled in the art through technical manuals or conventional experimental methods.

[0024] Embodiment 1:

[0025] like Figure 1 As shown, the utility model provides a technical solution, a supporting structure for a cross arm for fixing a power transmission line, comprising a column 1, the bottom of the column 1 is fixedly installed on the ground by bolts, and the side walls of the column 1 are provided with vertically arranged locking grooves 2. In this embodiment, locking grooves 2 are provided on the left and right side walls of the column 1, which are convenient for arranging the cross arms 3 on the left and right sides. Locking grooves 2 can also be provided on the side walls around the column 1 according to actual needs; a horizontally arranged cross arm 3 is detachably fixedly installed on the column 1 through the locking grooves 2, one end of the cross arm 3 is fixedly connected to the column 1 through a first fixing plate 4, and the cross arm 3 is welded and fixed to the side wall of the first fixing plate 4, a pulling component 6 is connected to the top of the cross arm 3 through a second fixing plate 5, and the other end of the pulling component 6 is connected to the top of the cross arm 3, and a support rod 8 is connected to the bottom of the cross arm 3 through a third fixing plate 7, one end of the support rod 8 is fixedly connected to the third fixing plate 7 by bolts, and the other end of the support rod 8 is fixedly connected to the bottom of the cross arm 3 by bolts.

[0026] The above-mentioned first fixing plate 4, second fixing plate 5 and third fixing plate 7 are all fixedly connected to the side wall of the column 1 through a locking member 9 used in conjunction with the locking groove 2. The locking member 9 can achieve a firm locking between the first fixing plate 4, second fixing plate 5 and third fixing plate 7 and the column 1, thereby achieving a good fixing effect.

[0027] Embodiment 2:

[0028] like Figure 4 , 5 As shown, the utility model provides another technical solution, a supporting structure for a cross arm for fixing a transmission line, which is different from Example 1 in that the locking groove 2 is a T-shaped structure, and both side walls of the locking groove 2 near the opening are integrally provided with first transverse anti-slip teeth 10, and the first anti-slip teeth 10 are evenly arranged along the length direction of the locking groove 2.

[0029] Specifically, the locking member 9 is composed of a locking block 11, a locking column 12, a locking gasket 13 and a locking nut 14. The locking block 11 and the locking column 12 are integrally arranged and have a T-shaped structure. The front and rear side walls of the locking block 11 are in contact with the front and rear inner walls of the locking groove 2. The locking block 11 is integrally provided with a second anti-slip tooth 15 used in conjunction with the first anti-slip tooth 10 on the side facing the opening. The first anti-slip tooth 10 and the second anti-slip tooth 15 can produce a 2-embracing effect, and the locking block 11 is also integrally provided with a limiting protrusion 16 in the middle of the side facing the opening, and the side wall of the limiting protrusion 16 is in contact with the inner wall of the opening.

[0030] Specifically, the locking column 12 passes through the first fixing plate 4 and is threadedly connected with a locking nut 14, and a locking gasket 13 is provided between the locking nut 14 and the first fixing plate 4. The locking gasket 13 is sleeved on the outer wall of the locking column 12. By tightening the locking nut 14, the first fixing plate 4 can be firmly installed on the side wall of the column 1. The connection method of the second fixing plate 5 and the third fixing plate 7 is the same as that of the locking member 9 and the column 1, which will not be repeated here.

[0031] Embodiment 3:

[0032] like Figure 2 , 3As shown, the utility model provides another technical solution, a support structure for a cross arm for fixing a transmission line, which is different from Example 1 in that the pulling assembly 6 is composed of a first connecting rod 17, an insulator 18, an adjusting assembly 19 and a second connecting rod 20 connected in sequence, a first connecting ear 21 is welded to one side of the second fixing plate 5, one end of the first connecting rod 17 is connected to the first connecting ear 21, a connecting block 22 is fixedly installed on the upper surface of the cross arm 3 by bolts, a second connecting ear 23 is welded above the connecting block 22, one end of the second connecting rod 20 is connected to the second connecting ear 23, and in this embodiment, both ends of the first connecting rod 17, the insulator 18, the adjusting assembly 19 and the second connecting rod 20 are integrally provided with hooks, and they are connected to each other through the hooks.

[0033] Specifically, the adjusting assembly 19 is composed of a first screw rod 24, a second screw rod 25 and an adjusting sleeve 26. The interior of the adjusting sleeve 26 is hollow, and the two ends are respectively connected to the first screw rod 24 and the second screw rod 25 by threads, and the other ends of the first screw rod 24 and the second screw rod 25 are integrally provided with hooks, and the length of the adjusting assembly 19 can be changed by rotating the adjusting sleeve 26. In this embodiment, when the adjusting sleeve 26 is rotated clockwise, the two screws move away from the adjusting sleeve 26, and when the adjusting sleeve 26 is rotated counterclockwise, the two screws move toward the adjusting sleeve 26. When the first fixing plate 4 and the second fixing plate 5 are fixedly installed on the column 1, the adjusting sleeve 26 is rotated counterclockwise to achieve the tightening of the adjusting assembly 19, so as to cooperate with the support rod 8 to assist in supporting the cross arm 3.

[0034] The support structure of the cross arm for fixing the power transmission line provided by the utility model has a locking groove, a first fixing plate and a locking piece arranged on the side wall of the column, and the first anti-skid teeth on the locking groove can be mutually engaged and locked with the second anti-skid teeth on the locking piece, which can prevent the locking piece, the first fixing plate and the cross arm from sliding in the length direction of the locking groove, and has a good anti-skid effect; the setting of the pulling assembly and the supporting rod can play an auxiliary supporting role above and below the cross arm, and the connection is firm and reliable, which ensures the installation stability of the cross arm, prolongs the service life and reduces the maintenance frequency; the setting of the first fixing plate, the second fixing plate and the third fixing plate all adopts the locking piece to realize the fixation between the column, which is convenient for realizing the adjustment of the cross arm in the length direction, and the operation is simple and practical.

[0035] It should be understood that this embodiment is only used to illustrate the present invention and is not used to limit the scope of the present invention. In addition, it should be understood that after reading the content taught by the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the claims attached to this application.

Claims

1. A supporting structure for a cross arm for fixing a power transmission line, comprising a column (1), wherein the bottom of the column (1) is fixedly mounted on the ground, and characterized in that: The side wall of the column (1) is provided with a vertically arranged locking groove (2); a horizontally arranged cross arm (3) is installed on the column (1); one end of the cross arm (3) is fixedly connected to the column (1) via a first fixing plate (4); a pulling component (6) is connected to the top of the cross arm (3) via a second fixing plate (5); the other end of the pulling component (6) is connected to the top of the cross arm (3); a support rod (8) is connected to the bottom of the cross arm (3) via a third fixing plate (7); the other end of the support rod (8) is connected to the bottom of the cross arm (3); the first fixing plate (4), the second fixing plate (5) and the third fixing plate (7) are all fixedly connected to the side wall of the column (1) via a locking member (9) used in conjunction with the locking groove (2).

2. The supporting structure of the cross arm for fixing a power transmission line according to claim 1, characterized in that: The locking groove (2) is in a T-shaped structure, and both side walls of the locking groove (2) close to the opening are provided with transverse first anti-slip teeth (10).

3. The supporting structure of the cross arm for fixing the power transmission line according to claim 2, characterized in that: The locking member (9) comprises a locking block (11), a locking column (12), a locking gasket (13) and a locking nut (14); the locking block (11) and the locking column (12) are integrally arranged and have a T-shaped structure; the front and rear side walls of the locking block (11) are in contact with the front and rear inner walls of the locking groove (2); a second anti-slip tooth (15) for use with the first anti-slip tooth (10) is provided on the side of the locking block (11) facing the opening; and a limiting protrusion (16) is also provided in the middle of the side of the locking block (11) facing the opening; the side wall of the limiting protrusion (16) is in contact with the inner wall of the opening.

4. The supporting structure of the cross arm for fixing the power transmission line according to claim 3, characterized in that: The locking column (12) is threadedly connected to a locking nut (14) after passing through the first fixing plate (4), and a locking gasket (13) is provided between the locking nut (14) and the first fixing plate (4), and the locking gasket (13) is sleeved on the outer side wall of the locking column (12).

5. The supporting structure of the cross arm for fixing a power transmission line according to claim 1, characterized in that: The pulling assembly (6) comprises a first connecting rod (17), an insulator (18), an adjustment assembly (19) and a second connecting rod (20) which are connected in sequence; a first connecting ear (21) is provided on one side of the second fixing plate (5); one end of the first connecting rod (17) is connected to the first connecting ear (21); a connecting block (22) is provided on the upper surface of the cross arm (3); a second connecting ear (23) is provided above the connecting block (22); one end of the second connecting rod (20) is connected to the second connecting ear (23).

6. The supporting structure for the cross arm for fixing the power transmission line according to claim 5, characterized in that: The adjusting assembly (19) comprises a first screw rod (24), a second screw rod (25) and an adjusting sleeve (26); the interior of the adjusting sleeve (26) is hollow, and two ends of the adjusting sleeve are respectively connected to the first screw rod (24) and the second screw rod (25) by threads, and the length of the adjusting assembly (19) can be changed by rotating the adjusting sleeve (26).

Images