Installation structure of current transformer

Abstract

According to the technical scheme, the installation structure of the current transformer is characterized in that the installation structure comprises an installation plate and a current transformer body, an installation groove is formed in the installation plate, a slotting cavity is formed in the installation groove, a movable protrusion is arranged in the slotting cavity, a movable gear is arranged below the movable protrusion, and the movable gear is connected with the current transformer body. The movable gear is connected with the movable protrusion, the movable gear is connected with a rack, one end of the rack is provided with a rack protrusion, the installation groove is provided with an opening, the rack protrusion can stretch out of the opening, and the current transformer is provided with a groove A matched with the rack. According to the utility model, the movable bulge, the movable gear and the rack bulge are arranged, so that the current transformer main body can be conveniently and quickly mounted on the mounting plate, the alternating current transformer can be conveniently detached from the mounting plate by pulling the opening lug, and the mounting plate is fixed at a required position, so that when the current transformer main body is damaged, the alternating current transformer can be conveniently detached from the mounting plate. And the replacement is simple and convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to current transformer technical field more specifically, it relates to a kind of installation structure of current transformer. BACKGROUND

[0002] At present, current transformer is a kind of electrical equipment, mainly used to convert high current into smaller, safe value current, to facilitate measurement and protect the safe operation of system. It is widely used in power system, for measuring current, monitoring grid state and providing protection function.

[0003] But there are still some defects in the above prior art, current transformer has in factory production line, traffic transportation and other long-term vibration occasions, such as ship transportation, current transformer is easily damaged and needs frequent disassembly maintenance, the existing current transformer is mostly installed by bolt during installation, usually needs to be disassembled from the circuit during maintenance, so as to comprehensively check, test and repair the equipment, the bolt needs to be disassembled when the current transformer is removed, and the original mounting hole will affect the secondary fixation when re-installing, thereby affecting the use of current transformer, and the disassembly process is relatively cumbersome and inconvenient to use. And long-term vibration will reduce the measurement accuracy of current transformer. UTILITY MODEL CONTENT

[0004] In view of the deficiencies in the prior art, the utility model provides an installation structure of current transformer.

[0005] To achieve the above object, the utility model provides the following technical scheme: including mounting plate and current transformer main body, mounting groove is arranged on the mounting plate, the mounting groove includes shock pad, slot cavity, the movable protrusion is arranged in the slot cavity, the movable protrusion is below the movable gear, the movable gear is connected with movable protrusion, the movable gear is connected with rack, the rack one end is provided with rack protrusion, the rack other end has shock protrusion, the shock protrusion is movably connected with shock rod, the shock rod extends outward and approaches the current transformer main body. The mounting groove is provided with the opening that rack protrusion can extend, and the current transformer is provided with groove A suitable for rack.

[0006] The utility model is further provided as follows: the movable protrusion includes hemispherical protrusion on the top, transmission protrusion A below, the transmission protrusion A is provided with inclined plane A for transmission, and the movable gear is provided with transmission protrusion B suitable for transmission protrusion A.

[0007] The utility model is further provided as follows: the slot cavity is provided with helical groove, and the movable protrusion is provided with fixed lug suitable for helical groove.

[0008] The utility model further sets up: the movable gear is provided with reset spring A.

[0009] The utility model further sets up: the rack protruding is provided with inclined plane B.

[0010] The utility model further sets up: the material of the shock pad is rubber, and the shock rod material is rubber.

[0011] The utility model further sets up: the mounting plate is provided with through -hole, the through -hole is provided with the opening protruding lug with reset spring B, the rack protruding is opened with recess B that is adapted to opening protruding lug.

[0012] In conclusion, the utility model has following beneficial effect: through setting up movable protruding, movable gear, rack protruding, make in the mounting plate installation current transformer main body is relatively convenient and fast, and opening protruding lug can be very conveniently with alternating current transformer is removed from the mounting plate, and the mounting plate is fixed at the required position, so when the current transformer main body breaks down, can be simply convenient replacement. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the structural schematic diagram of this embodiment;

[0014] Figure 2 It is the partial section of this embodiment Figure One ;

[0015] Figure 3 It is the partial section of this embodiment Figure Two ;

[0016] Figure 4 It is the section view of one A-A of this embodiment;

[0017] Fig. 1, current transformer main body;11, recess A;2, mounting plate;21, installation slot;211, shock pad, slot cavity;221, helical groove;23, through -hole;24, opening;3, movable protruding;31, fixed protruding;32, transmission protruding A;321, inclined plane A;33, semispherical protruding;4, movable gear;41, transmission protruding B;42, rack;421, rack protruding;4211, inclined plane B;4212, recess B;422, shock protruding;423, shock rod;43, reset spring A;5, opening protruding lug;51, reset spring B. DETAILED DESCRIPTION

[0018] The utility model will be further explained in detail in connection with the drawings.

[0019] The utility model discloses a kind of installation structure of current transformer, as shown in Figures 1 to 4As shown, including the mounting plate 2 and the current transformer body 1, the mounting plate 2 is provided with mounting groove 21, the mounting groove 21 includes shock pad 211, slot cavity 22, the setting of the shock pad 211 can reduce the vibration impact of the current transformer body 1 so that the service life of the new type is improved, the slot cavity 22 is provided with movable protrusion 3, the movable protrusion 3 is provided with movable gear 4 below, the movable gear 4 is connected with movable protrusion 3, the movable gear 4 is connected with rack 42, one end of the rack 42 is provided with rack protrusion 421, the movable protrusion 3 moves and drives the movable gear 4 to rotate, the movable gear 4 rotates and drives the movable rack 42 to move, drives the rack protrusion 421 arranged on the movable rack 42, realizes the synchronous movement of the movable protrusion 3 and the rack protrusion 421, the mounting groove 21 is provided with the opening 24 that the rack protrusion 421 can extend out, the other end of the rack 42 has a shock protrusion 422, the shock protrusion 422 moves due to the movement of the rack 42, the shock protrusion 422 is movably connected with the shock rod 423, the connection mode is hinged connection, when the shock protrusion 422 moves, the shock rod 423 is driven, the shock rod 423 extends outward and approaches the current transformer body 1, when the shock protrusion 422 moves outward, the shock rod 423 approaches and contacts the current transformer body 1 to support, when the current transformer body 1 encounters vibration, the shock protrusion 422 supports the current transformer body 1 to reduce the vibration of the current transformer body, the current transformer is provided with groove A11 matched with the rack 42, the rack protrusion 421 extending out of the opening 24 cooperates with the groove A11 to realize the fixation of the current transformer body 1.

[0020] Further improvement, the movable protrusion 3 includes the hemispherical protrusion 33 above, the transmission protrusion A32 below, the transmission protrusion A32 is provided with inclined surface A321 for transmission, the movable gear 4 is provided with transmission protrusion B41 matched with the transmission protrusion A32. The cooperation of the transmission protrusion A32 and the transmission protrusion B41 makes the downward movement of the movable protrusion 3 better transmitted and converted into the rotary motion of the movable gear 4; the hemispherical protrusion 33 can reduce the friction with the bottom surface of the current transformer body 1 when the current transformer body 1 is installed, so that the rotation of the movable protrusion 3 is more smooth.

[0021] Further improvement, the slot cavity 22 is provided with spiral groove 221, and the movable protrusion 3 is provided with fixing protrusion 31 matched with the spiral groove 221. The spiral groove 221 cooperates with the movable protrusion 3, so that the movable protrusion 3 rotates in the designed track of the spiral groove 221 when pressed downward.

[0022] Further improvement, the movable gear 4 is provided with a reset spring A43. The movable gear 4 obtains a force in a rotating direction under the action of the reset spring A43, so that when the novel device is not installed, the rack protrusion 421 is maintained in the retracted state, and the movable protrusion 3 is maintained in the protruding state.

[0023] Further improvement, the rack protrusion 421 is provided with an inclined surface B4211. When the installation is released and the current transformer body is pulled out, the inclined surface B4211 transmits the pulling force to the rack protrusion 421, so that the rack protrusion 421 obtains a force in a retracting direction, and the rack 42 is reset.

[0024] Further improvement, the material of the shock pad 211 is rubber, and the material of the shock rod 423 is rubber. The rubber material can effectively absorb vibration impact through deformation, and the shock rod 423 made of rubber material does not damage the current transformer body 1 when providing certain support to the current transformer body 1.

[0025] Further improvement, the mounting plate 2 is provided with a through hole 23, the through hole 23 is provided with an opening protrusion 5 with a reset spring B51, and the rack protrusion 421 is provided with a groove B4212 matched with the opening protrusion 5. When the rack protrusion 421 is extended, the opening protrusion 5 enters the groove B4212 arranged on the rack protrusion 421, so that the movement of the rack protrusion 421 is limited, and the rack protrusion 421 is maintained in the extended state; the reset spring B51 is arranged, so that the opening protrusion 5 obtains a force downward in a normal state, and the opening protrusion 5 is not easy to be pulled out in the process of entering the groove B4212 when vibration or impact occurs during work; the opening protrusion 5 can be extended from the through hole 23, and the opening protrusion 5 can be pulled out of the groove B4212 simply and conveniently. The opening mode of simultaneously pulling can reduce the possibility of accidental opening.

[0026] Working principle of the novel device

[0027] When the novel device is used, the lower end of the current transformer body 1 is placed in the mounting groove 21 arranged on the mounting plate 2, the lower end surface of the current transformer body 1 is in contact with the movable protrusion 3, and under the action of the downward pressure of the current transformer body 1, the rack protrusion 421 is driven to extend and cooperate with the groove A11 to limit the movement of the current transformer body 1, when the rack protrusion 421 is completely extended, the opening protrusion 5 cooperates with the groove B4212, and the current transformer body 1 can be simply and stably installed in the mounting plate 2.

[0028] When the installation is released, the opening protrusion 5 is pulled out of the groove B4212, and the alternating current transformer can be simply and conveniently taken down.

[0029] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the design concept of the present application shall be included in the protection scope of the present application.

Claims

1. A mounting structure for a current transformer, comprising a mounting plate (2) and a current transformer body (1), characterized in that: The mounting plate (2) is provided with a mounting groove (21), the mounting groove (21) includes a damping pad (211) and a slotted cavity (22), a movable protrusion (3) is provided in the slotted cavity (22), a movable gear (4) is provided below the movable protrusion (3), the movable gear (4) is connected to the movable protrusion (3), the movable gear (4) is connected to a rack (42), a rack protrusion (421) is provided at one end of the rack (42), the mounting groove (21) is provided with an opening (24) through which the rack protrusion (421) can extend, a damping protrusion (422) is provided at the other end of the rack (42), the damping protrusion (422) is movably connected to a damping rod (423), the damping rod (423) extends outward and close to the current transformer body (1), the current transformer is provided with a groove A (11) adapted to the rack (42).

2. The mounting structure of a current transformer according to claim 1, characterized in that: The movable protrusion (3) includes an upper hemispherical protrusion (33) and a lower transmission protrusion A (32). The transmission protrusion A (32) is provided with a inclined surface A (321) for transmission. The movable gear (4) is provided with a transmission protrusion B (41) adapted to the transmission protrusion A (32).

3. The mounting structure of a current transformer according to claim 1, characterized in that: The slotted cavity (22) is provided with a spiral groove (221), and the movable protrusion (3) is provided with a fixed protrusion (31) that is adapted to the spiral groove (221).

4. The mounting structure of a current transformer according to claim 1, characterized in that: The movable gear (4) is equipped with a return spring A (43).

5. The mounting structure of a current transformer according to claim 1, characterized in that: The rack protrusion (421) is provided with an inclined surface B (4211).

6. The mounting structure of a current transformer according to claim 1, characterized in that: The material of the shock-absorbing pad (211) is rubber, and the material of the shock-absorbing rod (423) is rubber.

7. The mounting structure of a current transformer according to claim 1, characterized in that: The mounting plate (2) is provided with a through hole (23), and the through hole (23) is provided with an opening protrusion (5) with a return spring B (51). The rack protrusion (421) has a groove B (4212) that is adapted to the opening protrusion (5).

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