A tensile overhead line pole tower

Abstract

The utility model discloses an overhead line electric pole tower of tensile resistance, including electric pole tower, positioning ring, cross arm and cable fixing spare, positioning ring is detachably arranged on the upper end of electric pole tower, and cross arm is symmetrically arranged on the positioning ring, and sets up cable fixing spare at the end of each cross arm, positioning ring is combined by two semicircle rings with bolt connection, and sets up locating seat on each semicircle ring respectively, and cross arm is fixed in locating seat through bolt, and cable fixing spare, auxiliary frame, cable-stayed frame, support frame are set gradually on the other end of cross arm, and the both ends of auxiliary frame are connected with corresponding cross arm respectively, and one end of support frame is connected with cross arm, and the other end is fixedly connected with positioning ring, and the upper end of cable-stayed frame is connected with cross arm, and the lower end is connected with reinforcing ring, and reinforcing ring is arranged on the electric pole tower below positioning ring. The utility model improves the tensile resistance of electric pole tower, thereby achieving the purpose of improving the tensile resistance of electric pole tower as a whole, and the top or lower surface of cross arm can install cable fixing spare, thereby expanding the erection selection of line.

Description

Technical Field

[0001] This utility model belongs to the field of power transmission equipment technology, specifically relating to a tensile-resistant overhead line tower. Background Technology

[0002] Overhead lines are a commonly used method for power transmission cable installation because they are cheaper to install than cable lines and easier to maintain and repair. Common overhead lines often use multi-circuit steel pipe poles erected on the same pole. Therefore, lines erected on the same pole require high stability from the poles. However, the crossarms of existing power poles have fixed lengths and cannot be extended, limiting the number of lines that can be installed. This makes them unsuitable for poles of different sizes and voltages. Furthermore, the ends of the crossarms are suspended without support, resulting in heavy loads at both ends, making them prone to bending and deformation, which is detrimental to power transmission safety. Utility Model Content

[0003] The present invention aims to provide a tensile-resistant overhead power line tower.

[0004] The purpose of this utility model is achieved as follows: it includes a power pole, a positioning ring, a crossarm, and a cable fixing component. The positioning ring is detachably mounted on the upper end of the power pole. The crossarms are symmetrically mounted on the positioning rings. Cable fixing components are installed at the ends of each crossarm. The positioning ring is composed of two semicircular rings connected by bolts. A positioning seat is installed on each semicircular ring. The crossarm is fixed in the positioning seat by bolts. At the other end of the crossarm, a cable fixing component, an auxiliary frame, a diagonal brace, and a support frame are sequentially installed. The two ends of the auxiliary frame are respectively connected to the corresponding crossarms. One end of the support frame is connected to the crossarm, and the other end is fixedly connected to the positioning ring. The upper end of the diagonal brace is connected to the crossarm, and the lower end is connected to a reinforcing ring. The reinforcing ring is located on the power pole below the positioning ring.

[0005] Furthermore, the auxiliary frame includes a collar and an auxiliary plate, with the collar respectively located at both ends of the auxiliary plate, and through holes provided along its axis on the auxiliary plate.

[0006] Furthermore, two auxiliary plates are arranged in parallel, and the ends of the two auxiliary plates are connected and fixed by collars. The collars are shaped to match the shape of the crossbeam, and through holes are provided on both auxiliary plates along their axes.

[0007] Furthermore, the inclined frame includes collars, an inclined plate, and an inclined rod. Collars are respectively provided at both ends of the inclined plate, and an inclined rod is provided at the middle section of the lower surface of the inclined plate, with a reinforcing ring connected to the lower end of the inclined rod.

[0008] Furthermore, the support frame includes a collar and support arms. The support arms are arranged symmetrically in an X shape on the positioning ring, and the outer end of each support arm is provided with a collar to connect to the crossbeam.

[0009] Furthermore, each of the aforementioned crossarms is coaxially fitted with a secondary rod of a matching shape at its end, and the secondary rod has a through screw hole.

[0010] Beneficial effects: This utility model adopts a parallel double crossarm structure, with reinforcement rings for auxiliary fixation, which solves the problem of large load on a single crossarm, improves the crossarm's resistance to deformation and tensile performance, thereby achieving the purpose of improving the overall tensile strength of the power pole tower. Moreover, cable fixing parts can be installed on the top or bottom surface of the crossarm, expanding the options for line erection.

[0011] On the other hand, the length of the crossarm is adjustable, which can be adapted to high-voltage towers of different sizes and voltage levels, making it convenient to erect different numbers of lines. The crossarm is supported and stabilized by the inclined tie frame and the support frame to prevent it from falling and deforming. The auxiliary frame can support the crossarm while the lower crossarm can also be used to erect the line. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of this utility model;

[0013] Figure 2 This is a top view of the structure of this utility model;

[0014] Figure 3 This is a top view of the positioning ring, positioning seat, and crossbeam.

[0015] Figure 4 This is a three-dimensional structural diagram of the present invention;

[0016] Figure 5 This is a schematic diagram of a half-section of the present invention;

[0017] Attached reference numerals: 1~pole tower, 2~cable fastener, 3~crossarm, 4~sunken platform, 5~positioning ring, 6~positioning seat, 7~mounting groove, 8~screw hole, 9~bolt, 10~sunken groove, 11~limiting pressure plate, 12~auxiliary frame, 13~auxiliary plate, 14~diagonal brace, 15~diagonal brace plate, 16~diagonal brace rod, 17~support frame, 18~outrigger, 19~reinforcing ring, 20~tension bolt, 21~ring, 22~sub-pole, 23~supplement layer. Detailed Implementation

[0018] The technical solution of this utility model will be further explained below with reference to the accompanying drawings.

[0019] As attached Figures 1-5The tensile-resistant overhead power line tower shown includes a positioning ring 5, a crossarm 3, and a cable fixing component 2. The positioning ring 5 is detachably mounted on the upper end of the tower 1. The crossarms 3 are symmetrically mounted on the positioning ring 5. A cable fixing component 2 is installed at the end of each crossarm 3. The positioning ring 5 is a clamp-like structure formed by two semicircular rings connected by bolts. A positioning seat 6 is installed on each semicircular ring. The crossarm 3 is fixed in the positioning seat 6 by bolts 9. At the other end of the crossarm 3, a cable fixing component 2, an auxiliary frame 12, a diagonal brace 14, and a support frame 17 are installed in sequence. The two ends of the auxiliary frame 12 are respectively connected to the corresponding crossarms 3. One end of the support frame 17 is connected to the crossarm 3, and the other end is fixedly connected to the positioning ring 5. The upper end of the diagonal brace 14 is connected to the crossarm 3, and the lower end is connected to a reinforcing ring 19. The reinforcing ring 19 is a clamp-like structure formed by two semicircular rings connected by bolts and is installed on the tower 1 below the positioning ring 5.

[0020] The positioning seat 6 is fixedly set on the outer wall of the semi-circular ring of the positioning ring 5. An installation groove 7 for connecting the crossbeam 3 is opened on the positioning seat 6. At least two screw holes 8 are respectively provided on the two side walls of the positioning seat 6 facing inward, and the screw holes 8 penetrate the installation groove 7.

[0021] The top of the positioning seat 6 is provided with a U-shaped limiting pressure plate 11 that is compatible with it. Through holes are opened on both sides of the limiting pressure plate 11 corresponding to the screw holes 8 of the positioning seat 6. The through holes are preferably screw holes 8 to facilitate the installation of bolts 9, thereby eliminating the need for nuts. A groove 10 is started on the inner side of the positioning seat 6, and the inner wall of the limiting pressure plate 11 is inserted downward into the groove 10.

[0022] The crossarm 3 has countersunk platforms 4 on both sides of the middle section that are compatible with the mounting groove 7, and through holes are opened on the countersunk platform 4 corresponding to the screw holes 8. The through holes are preferably screw holes 8 to facilitate the installation of bolts 9. On the other hand, the countersunk platform 4 can quickly and accurately position the crossarm 3, solve the problem of misalignment of the end lengths after the two crossarms 3 are installed, and avoid the step of adjusting the length during installation.

[0023] Each of the aforementioned crossarms 3 has a coaxially fitted secondary rod 22 at its end. The secondary rod 22 has a through screw hole 8, and the two are bolted together. The length of the crossarm 3 can be extended and adjusted by the secondary rod 22 and the bolt 9, so that the crossarm 3 can adapt to the needs of power poles of different sizes and voltages, thus improving its applicability. Moreover, the length of the secondary rod 22 can be selected according to actual needs, and its length is not less than 0.3 times the length of the crossarm 3.

[0024] The auxiliary frame 12 includes a collar 21 and an auxiliary plate 13. The collar 21 is respectively located at both ends of the auxiliary plate 13. Through holes are provided on the auxiliary plate 13 along its axis. The auxiliary frame 12 restricts and maintains the distance between the two crossarms 3, so that the crossarms 3 remain parallel. On the other hand, other components, such as lightning rods or additional line insulators, can be installed on the auxiliary frame 12.

[0025] Furthermore, two auxiliary plates 13 are arranged in parallel, and the ends of the two auxiliary plates 13 are connected and fixed by collars 21. The collars 21 are arranged in a shape that matches the shape of the crossbeam 3, and through holes are provided on both auxiliary plates 13 along their axes.

[0026] The inclined bracing frame 14 includes collars 21, inclined bracing plates 15, and inclined bracing rods 16. Collars 21 are respectively provided at both ends of the inclined bracing plate 15, and inclined bracing rods 16 are provided at the middle section of the lower surface of the inclined bracing plate 15, so that the collars 21, inclined bracing plates 15, and inclined bracing rods 16 are connected and combined into a T-shaped structure. The lower end of the inclined bracing rods 16 is connected to a reinforcing ring 19, and the two are bolted together. The inclined bracing frame 14 not only restricts and maintains the balance of the two crossarms 3, but also works with the support frame 17 to support the crossarms 3 and prevent the crossarms 3 from shifting up and down or left and right after being subjected to force.

[0027] The support frame 17 includes a collar 21 and support arms 18. There are four support arms 18 arranged symmetrically in an X shape on the positioning ring 5. The outer end of each support arm 18 is provided with a collar 21 to connect to the crossbeam 3, which plays a supporting role for the crossbeam 3, while reducing the force exerted by the crossbeam 3 on the positioning seat 6 and the positioning ring 5, thus extending the service life.

[0028] The cross-section of the crossarm 3 is square or hexagonal, which can effectively enhance the load-bearing capacity and deformation resistance of the crossarm 3. Positioning holes are set at both ends of the crossarm 3 towards the middle section. Moreover, the crossarm 3 is set as a solid whole without any cut-off in the middle, which effectively ensures strength.

[0029] The positioning ring 5 and the reinforcing ring 19 are connected vertically by four tie rods 20. The positioning ring 5 is strengthened by the reinforcing ring 19 and the tie rods 20, which greatly improves the stability of its connection with the pole tower 1 and its support performance.

[0030] The cable fixing component 2 is a suspension insulator or a post insulator. The post insulator is located at the top and / or bottom of the end of each crossarm 3, while the suspension insulator is located at the bottom of the end of each crossarm 3.

[0031] The positioning ring 5 and the reinforcing ring 19 are designed with an outer square and an inner circle structure to facilitate installation and connection with other components.

[0032] The inner walls of the positioning ring 5 and the reinforcing ring 19 are respectively provided with padding layers 23 to increase the frictional adhesion with the power pole 1 and prevent the positioning ring 5 from sliding up and down.

Claims

1. A tensile-resistant overhead power line tower, comprising a tower (1), a positioning ring (5), crossarms (3), and cable fasteners (2), wherein the positioning ring (5) is detachably mounted on the upper end of the tower (1), the crossarms (3) are symmetrically mounted on the positioning ring (5), and cable fasteners (2) are provided at the ends of each crossarm (3), characterized in that: The positioning ring (5) is composed of two semicircular rings connected by bolts. Positioning seats (6) are set on each semicircular ring. The crossarm (3) is fixed in the positioning seat (6) by bolts (9). At the other end of the crossarm (3), cable fixing parts (2), auxiliary frame (12), diagonal brace (14) and support frame (17) are set in sequence. The two ends of the auxiliary frame (12) are connected to the corresponding crossarm (3). One end of the support frame (17) is connected to the crossarm (3), and the other end is fixedly connected to the positioning ring (5). The upper end of the diagonal brace (14) is connected to the crossarm (3), and the lower end is connected to the reinforcing ring (19). The reinforcing ring (19) is set on the electric pole (1) below the positioning ring (5).

2. The tensile-resistant overhead power line tower according to claim 1, characterized in that: The positioning seat (6) is fixedly set on the outer wall of the semi-circular ring of the positioning ring (5). The mounting groove (7) for connecting the crossbeam (3) is opened on the positioning seat (6). At least two screw holes (8) are respectively provided on the two side walls of the positioning seat (6) facing inward, and the screw holes (8) penetrate the mounting groove (7).

3. The tensile-resistant overhead power line tower according to claim 1, characterized in that: The top of the positioning seat (6) is provided with a U-shaped limiting pressure plate (11) that is compatible with it. Through holes are opened on both sides of the limiting pressure plate (11) corresponding to the screw holes (8) of the positioning seat (6), and a groove (10) is started on the inner side of the positioning seat (6). The inner wall of the limiting pressure plate (11) is inserted downward into the groove (10).

4. The tensile-resistant overhead power line tower according to claim 1, characterized in that: The crossbeam (3) has two side walls at the middle section with recessed platforms (4) that are compatible with the mounting groove (7), and through holes are opened in the corresponding screw holes (8) of the recessed platform (4).

5. The tensile-resistant overhead power line tower according to claim 1, characterized in that: Each of the crossarms (3) is coaxially fitted with a secondary rod (22) that matches its shape, and the secondary rod (22) is provided with a through screw hole (8).

6. The tensile-resistant overhead power line tower according to claim 1, characterized in that: The auxiliary frame (12) includes a collar (21) and an auxiliary plate (13). The collar (21) is located at both ends of the auxiliary plate (13), and through holes are provided on the auxiliary plate (13) along its axis.

7. The tensile-resistant overhead power line tower according to claim 1, characterized in that: The inclined bracing frame (14) includes a collar (21), an inclined plate (15), and an inclined rod (16). A collar (21) is provided at both ends of the inclined plate (15), and an inclined rod (16) is provided at the middle section of the lower surface of the inclined plate (15). That is, the collar (21), the inclined plate (15), and the inclined rod (16) are connected and combined to form a T-shaped structure. The lower end of the inclined rod (16) is connected to a reinforcing ring (19).

8. The tensile-resistant overhead power line tower according to claim 1, characterized in that: The support frame (17) includes a collar (21) and a support arm (18). The support arm (18) has four arms arranged symmetrically in an X shape on the positioning ring (5). The outer end of each support arm (18) is provided with a collar (21) to connect to the crossbeam (3).

9. The tensile-resistant overhead power line tower according to claim 1, characterized in that: The cross-section of the crossarm (3) is square or hexagonal, and positioning holes are set at both ends of the crossarm (3) towards the middle.

10. The tensile-resistant overhead power line tower according to claim 1, characterized in that: The positioning ring (5) and the reinforcing ring (19) are connected vertically by four traction screws (20).

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