Lightning arrester for transformer substation

Abstract

The utility model relates to the technical field of electric power safety, in particular to a transformer substation lightning arrester which comprises a device base, a fixed column is fixed to the top end of the device base, a movable column is movably inserted into the top end of the fixed column, a circular shell is hinged to the top end of the movable column, and a limiting column is fixed to the other end of the top end of the device base. A connecting rod is hinged in the limiting column; a circular shell is fixed to the top end of the connecting disc, a movable column is slidably inserted into the top end of the circular shell, a drainage needle is installed at the top end of the movable column, an arc-shaped groove is formed in the surface of the circular shell, and a limiting plate is slidably inserted into the arc-shaped groove. Through cooperative use of the fixed column, the movable column, the limiting column and the connecting rod, the purpose of facilitating installation of slopes such as roofs and the like can be achieved, inclined installation can be carried out according to installation requirements, the construction flexibility is improved, and therefore the installation efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to power safety technical field, concretely is a transformer substation lightning arrester. BACKGROUND

[0002] The transformer substation lightning arrester is the key safety facility in power system, and its main function is to protect the equipment and facilities in the transformer substation from the influence of lightning disaster, and in the power system, the transformer substation bears the conversion and distribution of electric energy, and ensures the stable supply of electric power.

[0003] The existing transformer substation lightning arrester is mostly difficult to be installed in the position with inclined plane such as roof, increases the difficulty of installation, also affects the installation efficiency, and the use height of part of the device is fixed, is inconvenient to adjust according to the installation demand, and the use effect and safety are affected.

[0004] Therefore, the transformer substation lightning arreester is provided to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a transformer substation lightning arrester to solve the problems in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a transformer substation lightning arrester, including device base,

[0007] The top of the device base is fixed with a fixed column, and the top of the fixed column is movably inserted with a movable column, the top of the movable column is hingedly connected with a circular shell, the other end of the top of the device base is fixed with a limiting column, and a connecting rod is hingedly connected in the limiting column, and a spherical shaft is arranged between the device base and the circular shell;

[0008] The top of the connecting disc is fixed with a circular shell, the top of the circular shell is slidably inserted with a movable column, and a drainage needle is installed at the top of the movable column, an arc-shaped groove is formed in the surface of the circular shell, and a limiting plate is slidably inserted in the arc-shaped groove, and arc-shaped sliding grooves are formed in the front and back of the circular shell, and a sliding column is slidably inserted in the arc-shaped sliding grooves.

[0009] Preferably, the fixed column and the movable column are symmetrically provided with two groups, and the two groups of fixed columns and the movable column are fixed by bolts, improving the flexibility of installation and use.

[0010] Preferably, the limiting plate and the sliding column are slidably sleeved, and the limiting plate is provided in half circular arc shape, improving the stability of fixing and use.

[0011] Preferably, the limiting plate is symmetrically provided with two groups, and the two groups of limiting plates are fixed by bolts, which can be quickly adjusted and disassembled, improving the convenience of use.

[0012] Preferably, the sliding column is symmetrically fixed on both sides of the movable column, so that the front and rear sides can be on the same horizontal line, increasing the balance of use.

[0013] Preferably, the connecting rod is symmetrically provided with two groups, and the top ends of the two groups of connecting rods are fixedly connected with the bottom end of the circular shell, playing a supporting role and improving the stability and service life of the device.

[0014] The utility model provides a lightning protection device of transformer substation has the following beneficial effects:

[0015] Through the cooperation of the fixed column, the movable column, the limiting column and the connecting rod, the inclined roof and the like can be conveniently installed, the inclined installation can be carried out according to the installation demand, some unique installation topography can also be adapted, the flexibility of construction is improved, the lightning conductor is not perpendicular due to the inclination of the roof, the lightning rod is normally operated, the difficulty of installation is reduced, unnecessary time waste is reduced, and the installation efficiency is improved.

[0016] Through the cooperation of the circular shell, the movable column, the arc-shaped groove, the limiting plate and the sliding column, the use height can be conveniently adjusted, the protection range can be more accurately controlled, the key equipment and area are in the protection range, the lightning current can be more effectively guided, the accident risk caused by lightning stroke is reduced, the safety and reliability of the transformer substation are improved, the lightning stroke risk is reduced, the lightning protection effect is improved, different installation height demands can be met, and different installation environments and conditions can be adapted. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating creative labor.

[0018] Figure 1 It is a structure front view schematic diagram of the utility model;

[0019] Figure 2 It is a local structure schematic diagram of the utility model;

[0020] Figure 3 It is a structure explosion schematic diagram of the utility model; Figure 2

[0021] Figure 4 It is a local structure schematic diagram of the utility model;

[0022] ​Figure 5 The utility model discloses Figure 4 The structure explosion schematic diagram.

[0023] In the drawing: 1, device base; 2, fixed column; 3, moving column; 4, limiting column; 5, circular shell; 6, movable column; 7, drainage needle; 8, connecting disc; 9, arc slot; 10, limiting plate; 11, arc sliding slot; 12, sliding column; 13, connecting rod; 14, spherical shaft. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the utility model.

[0025] The embodiment provides a lightning protection device for a transformer substation,

[0026] Embodiment one

[0027] As Figures 1 to 3 shown, the embodiment provides a lightning protection device for a transformer substation, including the top of device base 1 is fixed with fixed column 2, and the top of fixed column 2 is movably inserted with moving column 3, and the top of moving column 3 is hingedly connected with circular shell 5, the other end of device base 1 top is fixed with limiting column 4, and connecting rod 13 is hingedly connected in limiting column 4, and the middle of device base 1 and circular shell 5 is provided with spherical shaft 14;Fixed column 2 and moving column 3 are symmetrically provided with two groups, and the two groups of fixed column 2 and moving column 3 are fixed by bolts;Connecting rod 13 is symmetrically provided with two groups, and the top of the two groups of connecting rod 13 is fixedly connected with the bottom of circular shell 5.

[0028] The drainage needle 7 used in the application is a product that can be directly purchased in the market, and its principle and connection mode are all prior art known to the person skilled in the art, so it will not be described here.

[0029] In the above embodiment, before use, device base 1 is fixedly installed at a suitable position, when needing to be installed at a slope position, device base 1 is rotated to the left or to the right, device base 1 moves to drive spherical shaft 14 to rotate, then one group of moving column 3 is pulled out from fixed column 2, and the other group of moving column 3 is retracted into fixed column 2, at this time, connecting disc 8 moves to drive the use position of hingedly connected moving column 3 to move, then, limiting column 4 moves with the movement of device base 1 and is hingedly connected with connecting rod 13, finally, fixed column 2 and moving column 3 are fixed by bolts, and the use position of device base 1 is inclined, and connecting disc 8 remains vertical.

[0030] Embodiment two

[0031] As Figure 4 With Figure 5 As shown in the same as the above embodiment, based on the same idea, the embodiment also proposes: the top end of the connecting disc 8 is fixed with a circular shell 5, the top end of the circular shell 5 is slidingly inserted with a movable column 6, and the top end of the movable column 6 is installed with a drainage needle 7, the surface of the circular shell 5 is provided with an arc-shaped groove 9, and the arc-shaped groove 9 is slidingly inserted with a limiting plate 10, and the front and back of the circular shell 5 are provided with an arc-shaped sliding groove 11, and the arc-shaped sliding groove 11 is slidingly inserted with a sliding column 12; the limiting plate 10 and the sliding column 12 are slidingly sleeved, and the limiting plate 10 is provided in a semicircular arc shape; the limiting plate 10 is symmetrically provided with two groups, and the two groups of limiting plates 10 are fixed by bolts; the sliding column 12 is symmetrically fixed on both sides of the movable column 6.

[0032] In the above embodiment, according to the installation requirement, the use position of the movable column 6 is moved upward, so that the use position of the drainage needle 7 is also moved, then the sliding column 12 is driven to slide in the circular shell 5 along with the movement of the movable column 6, and after being moved to a suitable position, the two groups of limiting plates 10 are sleeved on the surface of the sliding column 12 in sequence, and at the same time, the limiting plate 10 is clamped into the corresponding arc-shaped groove 9, and finally the two groups of limiting plates 10 are fixed by bolts.

[0033] Finally, it should be pointed out that: first of all, in the description of the present application, it should be pointed out that unless otherwise specified and limited, the terms "installation", "connection", "connection" should be understood in a broad sense, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, "up", "down", "left", "right" and the like are only used to indicate the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;

[0034] Secondly: the utility model discloses the embodiment in the drawing, only relates to the structure involved in the embodiment of the present disclosure, other structures can refer to the usual design, in the case where there is no conflict, the same embodiment and different embodiments of the utility model can be combined with each other;

[0035] Finally: the above is only the preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A substation lightning arrester, comprising a device base (1), characterized in that: a fixed column (2) is fixed at the top end of the device base (1), and a movable column (3) is movably inserted at the top end of the fixed column (2), a connecting disc (8) is hinged at the top end of the movable column (3), a limiting column (4) is fixed at the other end of the top end of the device base (1), and a connecting rod (13) is hinged in the limiting column (4), a spherical shaft (14) is arranged between the device base (1) and the circular shell (5); a circular shell (5) is fixed at the top end of the connecting disc (8), a movable column (6) is movably inserted at the top end of the circular shell (5), a drainage needle (7) is installed at the top end of the movable column (6), an arc-shaped groove (9) is formed in the surface of the circular shell (5), and a limiting plate (10) is movably inserted in the arc-shaped groove (9), arc-shaped sliding grooves (11) are formed in the front and back of the circular shell (5), and sliding columns (12) are movably inserted in the arc-shaped sliding grooves (11).

2. A substation lightning protection device according to claim 1, characterised in that: The fixed column (2) and the movable column (3) are symmetrically arranged in two groups, and the two groups of the fixed column (2) and the movable column (3) are fixed by bolts.

3. A substation lightning protection device according to claim 1, characterized in that: The limiting plate (10) and the sliding column (12) are movably arranged, and the limiting plate (10) is arranged in a semicircular arc shape.

4. A substation lightning protection device according to claim 1, characterized in that: The limiting plate (10) is symmetrically arranged in two groups, and the two groups of the limiting plate (10) are fixed by bolts.

5. A substation lightning protection device according to claim 1, characterized in that: The sliding column (12) is symmetrically fixed on both sides of the movable column (6).

6. A substation lightning protection device according to claim 1, characterized in that: The connecting rod (13) is symmetrically arranged in two groups, and the top ends of the two groups of the connecting rod (13) are fixedly connected with the bottom end of the circular shell (5).

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