Electric power tower cross arm fixing device

Abstract

The utility model discloses an electric power tower cross arm fixing device which comprises a cross arm body, one side of the cross arm body is fixedly connected with a first butt joint seat, the side, away from the cross arm body, of the first butt joint seat is provided with a second butt joint seat, and the side, close to the second butt joint seat, of the first butt joint seat is provided with symmetrically-distributed threaded holes. After fixation, a pull rod is pulled to drive a clamping rod to move, the clamping rod is separated from a set of clamping grooves located in the inner side, at the moment, a first spring is reset to drive protective covers to move, the two sets of protective covers are attached to each other, and meanwhile a limiting block enters a limiting groove to limit rotation of a rotating shaft; and the pull rod is loosened, the second spring is reset to enable the pull rod and the clamping rod to move, the clamping rod moves and enters the clamping groove in the outer side, the protective cover is limited, all the assemblies are protected conveniently, and the situation that the assemblies are exposed to the outside for a long time to cause erosion is avoided.

Description

Technical Field

[0001] The utility model relates to the field of power distribution equipment, in particular to a device for fixing a cross arm of a power tower. Background Art

[0002] The crossarm is an important component of the pole tower. Its function is to install insulators and hardware to support the conductors and lightning conductors and keep them at a certain safety distance as required.

[0003] The present application is an improvement on the prior art. In the prior art, the cross arm fixing device used in the existing power pole tower is usually fixed only by multiple bolts. It takes a long time to tighten multiple bolts during high-altitude operations, and there is a high risk factor. Secondly, the bolts are exposed to the outside world and are easily eroded by wind and rain after long-term use. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a device for fixing the cross arm of a power tower.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] The cross arm fixing device of a power pole tower comprises a cross arm body, wherein one side of the cross arm body is fixedly connected with a first docking seat, and the first docking seat is provided with a second docking seat on a side away from the cross arm body, and the first docking seat is provided with a symmetrically distributed threaded hole on a side close to the second docking seat, and the second docking seat is rotatably connected with a symmetrically distributed connecting shaft, and one end of the connecting shaft close to the first docking seat is fixedly connected with a screw, and the screw is adapted to the threaded hole, and one end of the connecting shaft extending out of the second docking seat is fixedly connected with a gear, and the second docking seat is rotatably connected with a toothed disk on a side away from the first docking seat, and the toothed disk meshes with the gear, and the inner wall of the toothed disk is fixedly connected with a rotating shaft rotatably connected to the second docking seat, and the second docking seat is slidably connected with a symmetrically distributed protective cover on a side away from the first docking seat, and the two groups of protective covers are provided with grooves on the sides close to each other, and the grooves are adapted to the rotating shaft, and the inner wall of the groove is fixedly connected with a limiting block, and a limiting groove is provided on the rotating shaft, and the limiting groove is adapted to the limiting block.

[0007] As a further solution of the utility model: a slide groove is provided on the side of the second docking seat away from the first docking seat, and the inner wall of the slide groove is slidably connected to the protective cover, the two groups of protective covers are fixedly connected with a first spring on the side away from each other, and the other end of the first spring is fixedly connected to the inner wall of the slide groove.

[0008] As a further solution of the utility model: a pull rod is slidably connected to one side of the second docking seat, a symmetrically distributed clamping rod is fixedly connected to the pull rod, the clamping rod is slidably connected to the second docking seat, and a symmetrically distributed clamping groove is provided on one side of the protective cover close to the pull rod, and the clamping groove is adapted to the clamping rod.

[0009] As a further solution of the utility model: a second spring sleeved with the clamping rod is fixedly connected to one side of the pull rod close to the protective cover, and the other end of the second spring is fixedly connected to the second docking seat.

[0010] The utility model has the following beneficial effects:

[0011] 1. In the utility model, when installing and fixing, the cross arm body is moved to the installation position, the second docking seat is pushed so that the second docking seat is close to the first docking seat, and the rotating shaft is rotated. The rotation of the rotating shaft drives the gear plate to rotate and then drives the gear and the connecting shaft to rotate, so that the screw rod enters the threaded hole until the second docking seat fits with the first docking seat, and the cross arm can be fixed, which is convenient for installation. The simultaneous rotation of multiple screw rods reduces the time required for fixing;

[0012] 2. In the utility model, after fixation, the pull rod is pulled so that the pull rod drives the card rod to move, and the card rod is disengaged from a group of card slots located on the inner side. At this time, the first spring resets to drive the protective cover to move, and the two groups of protective covers fit each other. At the same time, the limit block enters the limit slot to limit the rotation of the rotating shaft. The pull rod is released, and the second spring resets to make the pull rod and the card rod move. The card rod moves and enters the card slot located on the outside to limit the protective cover, which is convenient for protecting each component and avoiding erosion caused by long-term exposure of the components to the outside. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a structural schematic diagram of a cross arm fixing device for a power tower proposed by the utility model;

[0014] Figure 2 This is a schematic diagram of the installation of a protective cover of a power tower cross arm fixing device proposed by the utility model;

[0015] Figure 3 For the utility model Figure 2 A is an enlarged structural diagram of FIG.

[0016] Legend:

[0017] Cross arm body 1, first docking seat 2, threaded hole 3, screw 4, second docking seat 5, connecting shaft 6, gear 7, toothed disc 8, rotating shaft 9, slide groove 10, first spring 11, protective cover 12, groove 13, limit block 14, limit groove 15, clamping groove 16, clamping rod 17, pull rod 18, second spring 19. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0020] Reference Figure 1-3 The utility model provides a cross arm fixing device for a power pole tower, comprising a cross arm body 1, a first docking seat 2 is fixedly connected to one side of the cross arm body 1, a second docking seat 5 is arranged on the side of the first docking seat 2 away from the cross arm body 1, a symmetrically distributed threaded hole 3 is opened on the side of the first docking seat 2 close to the second docking seat 5, a symmetrically distributed connecting shaft 6 is rotatably connected to the second docking seat 5, a screw 4 is fixedly connected to one end of the connecting shaft 6 close to the first docking seat 2, and the screw 4 is adapted to the threaded hole 3, and the end of the connecting shaft 6 extending out of the second docking seat 5 is fixedly connected There is a gear 7, and the side of the second docking seat 5 away from the first docking seat 2 is rotatably connected with a toothed disc 8, the toothed disc 8 is meshed with the gear 7, the inner wall of the toothed disc 8 is fixedly connected with a rotating shaft 9 rotatably connected to the second docking seat 5, the side of the second docking seat 5 away from the first docking seat 2 is slidably connected with symmetrically distributed protective covers 12, the two groups of protective covers 12 are close to each other. The sides are provided with grooves 13, and the grooves 13 are adapted to the rotating shaft 9, the inner wall of the groove 13 is fixedly connected to a limiting block 14, and a limiting groove 15 is provided on the rotating shaft 9, and the limiting groove 15 is adapted to the limiting block 14.

[0021] A slide groove 10 is provided on the side of the second docking seat 5 away from the first docking seat 2, and the inner wall of the slide groove 10 is slidably connected to the protective cover 12. The two sets of protective covers 12 are fixedly connected to the first spring 11 on the side away from each other, and the other end of the first spring 11 is fixedly connected to the inner wall of the slide groove 10.

[0022] A pull rod 18 is slidably connected to one side of the second docking seat 5, and a symmetrically distributed clamping rod 17 is fixedly connected to the pull rod 18. The clamping rod 17 is slidably connected to the second docking seat 5. A symmetrically distributed clamping groove 16 is opened on one side of the protective cover 12 close to the pull rod 18, and the clamping groove 16 is adapted to the clamping rod 17.

[0023] A second spring 19 sleeved with the clamping rod 17 is fixedly connected to one side of the pull rod 18 close to the protective cover 12 , and the other end of the second spring 19 is fixedly connected to the second docking seat 5 .

[0024] Working principle:

[0025] In the present application, when installing and fixing, the cross arm body 1 is moved to the installation position, the second docking seat 5 is pushed so that the second docking seat 5 is close to the first docking seat 2, and the rotating shaft 9 is rotated. The rotation of the rotating shaft 9 drives the toothed disc 8 to rotate, and then drives the gear 7 and the connecting shaft 6 to rotate, so that the screw 4 enters the threaded hole 3 until the second docking seat 5 is fitted with the first docking seat 2, and the cross arm is fixed, which is convenient for installation. The simultaneous rotation of multiple screws 4 increases the time required for fixing;

[0026] In the present application, after being fixed, the pull rod 18 is pulled so that the pull rod 18 drives the clamping rod 17 to move, and the clamping rod 17 is disengaged from a group of clamping grooves 16 located on the inner side. At this time, the first spring 11 is reset to drive the protective cover 12 to move, and the two groups of protective covers 12 are fitted to each other. At the same time, the limit block 14 enters the limit groove 15 to limit the rotation of the rotating shaft 9. The pull rod 18 is released, and the reset of the second spring 19 causes the pull rod 18 and the clamping rod 17 to move. The clamping rod 17 moves and enters the clamping groove 16 located on the outer side to limit the protective cover 12, which is convenient for protecting each component and preventing the components from being exposed to the outside for a long time and causing erosion;

[0027] In actual use, a sealing ring can be installed between the rotating shaft 9 and the protective cover 12 to improve the protection effect of the inner wall when the two protective covers 12 are closed, wherein the sealing ring is not shown in the figure.

[0028] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A cross arm fixing device for a power tower, comprising a cross arm body (1), characterized in that: A first docking seat (2) is fixedly connected to one side of the cross arm body (1); a second docking seat (5) is provided on a side of the first docking seat (2) away from the cross arm body (1); symmetrically distributed threaded holes (3) are provided on a side of the first docking seat (2) close to the second docking seat (5); a symmetrically distributed connecting shaft (6) is rotatably connected to the second docking seat (5); a screw rod (4) is fixedly connected to one end of the connecting shaft (6) close to the first docking seat (2), and the screw rod (4) is matched with the threaded hole (3); a gear (7) is fixedly connected to one end of the connecting shaft (6) extending out of the second docking seat (5); and a gear (7) is fixedly connected to the other end of the second docking seat (5) away from the first docking seat (2). A toothed disc (8) is rotatably connected to one side of the docking seat (2), the toothed disc (8) meshing with the gear (7), the inner wall of the toothed disc (8) is fixedly connected to a rotating shaft (9) rotatably connected to the second docking seat (5), the side of the second docking seat (5) away from the first docking seat (2) is slidably connected to symmetrically distributed protective covers (12), the two groups of protective covers (12) are provided with grooves (13) on the sides close to each other, and the grooves (13) are matched with the rotating shaft (9), the inner wall of the grooves (13) is fixedly connected to a limiting block (14), the rotating shaft (9) is provided with a limiting groove (15), and the limiting groove (15) is matched with the limiting block (14).

2. A power tower cross arm fixing device according to claim 1, characterized in that: A slide groove (10) is provided on a side of the second docking seat (5) away from the first docking seat (2), and the inner wall of the slide groove (10) is slidably connected to the protective cover (12). The two sets of protective covers (12) are fixedly connected to the first spring (11) on the sides away from each other, and the other end of the first spring (11) is fixedly connected to the inner wall of the slide groove (10).

3. The cross arm fixing device for a power tower according to claim 1, characterized in that: A pull rod (18) is slidably connected to one side of the second docking seat (5), and symmetrically distributed clamping rods (17) are fixedly connected to the pull rod (18). The clamping rod (17) is slidably connected to the second docking seat (5), and a symmetrically distributed clamping groove (16) is formed on one side of the protective cover (12) close to the pull rod (18), and the clamping groove (16) is matched with the clamping rod (17).

4. The cross arm fixing device for a power tower according to claim 3, characterized in that: A second spring (19) sleeved with the clamping rod (17) is fixedly connected to one side of the pull rod (18) close to the protective cover (12), and the other end of the second spring (19) is fixedly connected to the second docking seat (5).

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