Transformer neutral point complete equipment

Abstract

The utility model relates to the technical field of neutral point complete equipment, and discloses transformer neutral point complete equipment, which comprises a body, a sleeve fixedly connected to the bottom of the body, two reinforcing arms fixedly connected to the bottom of the body, and a same accommodating groove arranged between two T-shaped grooves. And restraining mechanisms used for restraining the reinforcing arms are arranged on the surfaces of the sides, close to the two reinforcing arms, of the storage groove correspondingly, the bottom of the extension column is sleeved with a supporting column, two winding rollers are symmetrically and rotationally connected into the sides, close to the reinforcing arms, of the supporting column, and lifting mechanisms used for lifting the body are arranged on the surfaces of the two winding rollers correspondingly. Through the arrangement of the reinforcing arm, the body can be quickly mounted and dismounted, the pressing plate is mounted in the T-shaped groove, and the top of the pressing plate is obliquely arranged, so that when the reinforcing arm is in contact with the pressing plate, the reinforcing arm can extrude the pressing plate, the pressing plate is shrunk, and after the pressing plate is shrunk, the pressing plate is prevented from falling off. And the reinforcing arm is installed in place.

Description

TECHNICAL FIELD

[0001] The utility model relates to neutral point complete device technical field especially, relates to a transformer neutral point complete device. BACKGROUND

[0002] The transformer neutral point complete device is an important equipment in the power system, and is used for guaranteeing the safe and stable operation of the power system, and is usually used for the neutral point grounding of the transformer to prevent the unbalanced current and overvoltage phenomenon caused by line fault or equipment fault. In the power system, the transformer plays a key role in voltage conversion, and the neutral point is usually set to be grounded or ungrounded. The neutral point grounding can eliminate or reduce the harm caused by grounding fault, and can effectively control the overvoltage of the system. And the neutral point complete device forms a complete protection system by including the arrester, grounding device, circuit breaker and other equipment to ensure the safety of the transformer in operation. In addition, the neutral point complete device helps to improve the reliability of power supply. Through the effective grounding system, the device can quickly identify and isolate the fault, avoid the influence of the fault on other equipment and system, and ensure the continuity and stability of power supply.

[0003] When the transformer neutral point complete device is used, it needs to be installed on the top of the supporting column. Some existing transformer neutral point complete devices are connected with the supporting column through bolts during installation, so that a lot of time is consumed during disassembly and installation. Therefore, the problem needs to be solved. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the shortcomings in the prior art and provides a transformer neutral point complete device.

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

[0006] A transformer neutral point complete device, including the body, the sleeve is fixedly connected at the bottom of the body, the extension column is slidably connected at the bottom of the sleeve, two T-shaped grooves are symmetrically formed on the surface of the extension column, two reinforcing arms are slidably connected in the T-shaped grooves, the reinforcing arms are fixedly connected to the bottom of the body, a receiving groove is formed between the T-shaped grooves, the constraint mechanisms for constraining the reinforcing arms are arranged on the surface of the receiving groove near the reinforcing arms, the supporting column is sleeved at the bottom of the extension column, two winding rollers are symmetrically and rotatably connected in the supporting column near the reinforcing arms, the lifting mechanisms for lifting the body are arranged on the surface of the winding rollers, and the body can be quickly installed and disassembled through the reinforcing arms.

[0007] As a further scheme of the utility model, the constraint mechanism comprises a support plate, the support plate is slidably connected inside the storage groove, the support plate is fixedly connected with a pressing plate on the surface close to the side of the T-shaped groove, the pressing plate is arranged in cooperation with the reinforcing arm, a gear roller is rotatably connected inside the storage groove, a rack is arranged on the surface of the gear roller, the rack is fixedly connected on the side of the support plate, a reset mechanism for resetting the pressing plate is arranged on the surface of the side of the support plate away from the pressing plate, and the reinforcing arm can be constrained through the arrangement of the pressing plate.

[0008] As a further scheme of the utility model, the reset mechanism comprises two support rods, the two support rods are fixedly connected on the side inside the storage groove, the support plate is sleeved on the surface of the two support rods, springs are sleeved on the surface of the two pressing plates, one end of the two springs is fixedly connected on the side of the support plate, and the other end of the two springs is fixedly connected on the side inside the storage groove, so that the support plate can be reset through the arrangement of the springs.

[0009] As a further scheme of the utility model, the lifting mechanism comprises a pull rope, the pull rope is sleeved on the surface of the winding roller, the other end of the pull rope is fixedly connected to the inner surface of the extension column, one end of the winding roller is fixedly connected with a first gear, a second gear is arranged on the surface of the first gear, the second gear is rotatably connected on the side of the support column, a third gear is arranged on the surface of the side of the second gear away from the first gear, the third gear is rotatably connected on the side of the body, a worm wheel is fixedly connected on the side of the third gear, a worm is arranged on the surface of the worm wheel, and the worm is rotatably connected on the side of the support column, so that the body can be lifted and lowered through the arrangement of the winding roller.

[0010] The utility model discloses the beneficial effects are:

[0011] 1. The utility model discloses a reinforcing arm drives the body to move through the technical scheme, so that the body can be quickly installed, disassembled, thereby effectively solve the neutral point of some existing transformer complete sets of device when installing, most is through bolt and support column connection, thereby leading to when disassembling, installing it, need to spend more time problem, still set up T-shaped groove on the both sides of extension column, and the T-shaped groove is with the reinforcing arm of body bottom adaptation, thereby when the sleeve and extension column are connected, reinforcing arm also will be synchronous into T-shaped groove inside, install the pressing plate in T-shaped groove's inside, and the top of pressing plate is inclined setting, so when reinforcing arm and pressing plate contact, reinforcing arm will extrude pressing plate, thereby make it contract, when pressing plate contracts, reinforcing arm is installed in place, install two springs on the side of pressing plate, after the installation of two reinforcing arms, pressing plate will reset under the action of spring, reset the purpose of reinforcing arm when pressing plate, namely installation is completed. DRAWINGS

[0012] Figure 1 The utility model provides a whole structure schematic diagram of a transformer neutral point complete device;

[0013] Figure 2 The utility model provides a constraint mechanism schematic diagram of a transformer neutral point complete device;

[0014] Figure 3 For Figure 2 The enlarged structure schematic diagram of A in the figure is shown in the figure.

[0015] Figure 4 The utility model provides a lifting mechanism schematic diagram of a transformer neutral point complete device.

[0016] In the figure: 1, the main body is 2, the extension column is 3, the support column is 101, the sleeve is 102, the reinforcing arm is 201, the T-shaped groove is 202, the storage groove is 203, the support plate is 204, the support rod is 205, the spring is 206, the pressing plate is 207, the rack is 208, the toothed roller is 301, the first gear is 302, the second gear is 303, the third gear is 304, the worm wheel is 305, the worm is 306, the pull rope is 307. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0018] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The utility model will be described in detail below with reference to the drawings and in combination with the embodiments.

[0019] Referring to Figures 1-4 A transformer neutral point complete device, comprising a main body 1, the main body 1 bottom is fixedly connected with sleeve 101, sleeve 101 bottom is slidably connected with extension column 2, the surface of extension column 2 is symmetrically provided with two T-shaped grooves 201, two T-shaped grooves 201 are slidably connected with reinforcing arm 102 inside, the setting of T-shaped groove 201 makes extension column 2 can be connected with main body 1, two reinforcing arms 102 are fixedly connected to the bottom of main body 1, a storage groove 202 is provided between two T-shaped grooves 201, the surface of storage groove 202 close to two reinforcing arms 102 one side is provided with constraint mechanism for constraint reinforcing arm 102, extension column 2 bottom is provided with support column 3, support column 3 close to reinforcing arm 102 one side inside is symmetrically rotatably connected with two winding rollers 301, the surface of two winding rollers 301 is provided with lifting mechanism for lifting main body 1, the setting of reinforcing arm 102 can make main body 1 can be quickly installed, disassembled.

[0020] Preferably, the constraint mechanism comprises a support plate 203 slidingly connected inside the receiving groove 202, the support plate 203 is fixedly connected with a pressing plate 206 near one side surface of the T-shaped groove 201, the pressing plate 206 is arranged in cooperation with the reinforcing arm 102, a gear roller 208 is rotatably connected inside the receiving groove 202, a rack 207 is matched on the surface of the gear roller 208, and the rack 207 is fixedly connected to one side of the support plate 203. Through the arrangement of the gear roller 208, the support plate 203 can be moved, and the surface away from the pressing plate 206 of the support plate 203 is provided with a reset mechanism for resetting the pressing plate 206. Through the arrangement of the pressing plate 206, the reinforcing arm 102 can be constrained.

[0021] Further, the reset mechanism comprises two support rods 204, both of which are fixedly connected to one side inside the receiving groove 202, the support plate 203 is sleeved on the surface of the two support rods 204, and the surfaces of the two pressing plates 206 are both sleeved with springs 205, one end of each of the two springs 205 is fixedly connected to one side of the support plate 203, and the other end of each of the two springs 205 is fixedly connected to one side inside the receiving groove 202. Through the arrangement of the spring 205, the support plate 203 can be reset.

[0022] Preferably, the lifting mechanism comprises a pull rope 307 sleeved on the surface of the winding roller 301, the other end of the pull rope 307 is fixedly connected to the inner surface of the extension column 2, one end of the winding roller 301 is fixedly connected with a first gear 302, the surface of the first gear 302 is matched with a second gear 303, the second gear 303 is rotatably connected to one side of the support column 3, the surface away from the first gear 302 of the second gear 303 is matched with a third gear 304, the third gear 304 is rotatably connected to one side of the body 1, one side of the third gear 304 is fixedly connected with a worm gear 305, the surface of the worm gear 305 is matched with a worm 306, through the arrangement of the worm 306, the height of the body 1 can be locked, and the worm 306 is rotatably connected to one side of the support column 3. Through the arrangement of the winding roller 301, the body 1 can be controlled to ascend and descend.

[0023] From the above description, it can be seen that the above-mentioned embodiments of the utility model realize the following technical effects: in use, first, the supporting column 3 is installed at a proper position, then the body 1 is installed, the extension column 2 is installed in the supporting column 3, and the extension column 2 is protruded from one end of the supporting column 3, the sleeve 101 is installed at the bottom of the body 1, so that through installation, the sleeve 101 can be sleeved on the top of the extension column 2, thereby completing the butt joint, the T-shaped groove 201 is further formed on the two sides of the extension column 2, and the T-shaped groove 201 is adapted to the reinforcing arm 102 at the bottom of the body 1, so that when the sleeve 101 is connected with the extension column 2, the reinforcing arm 102 also synchronously enters the inside of the T-shaped groove 201, the pressing plate 206 is installed in the inside of the T-shaped groove 201, and the top of the pressing plate 206 is inclinedly arranged, so that when the reinforcing arm 102 contacts the pressing plate 206, the reinforcing arm 102 extrudes the pressing plate 206, thereby making it shrink, when the pressing plate 206 shrinks, the reinforcing arm 102 is installed in place, two springs 205 are installed on one side of the pressing plate 206, after the installation of the two reinforcing arms 102 is completed, the pressing plate 206 resets under the action of the spring 205, so as to achieve the purpose of restraining the reinforcing arm 102, when the body 1 needs to be disassembled, the gear roller 208 on one side of the extension column 2 is rotated, the rack 207 is installed on one side of the pressing plate 206, and the rack 207 is matched with the gear roller 208, so that when the gear roller 208 is rotated, the pressing plate 206 can be shrunk, thereby releasing the restraint of the reinforcing arm 102, when the restraint is released, the body 1 can be disassembled.

[0024] For the purposes of the description, spatially relative terms—such as "above", "below", "top", "bottom", "side" and the like—may be used to describe an element's relationship to another element as illustrated in the figures. It is to be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. The device can be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly. For example, if the device in the figures is turned over, the descriptions of "above" or "below" can be interpreted as "below" or "above", respectively. Likewise, if devices in the figures are rotated about 90 degrees (90 degrees is other orientation), the description of "above" or "below" can be interpreted as "above" or "below", respectively. The device can be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

[0025] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising," when used in this specification, specify the presence of stated features, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and / or groups thereof.

[0026] It is to be understood that the terms "first", "second", and the like, used herein do not necessarily connote any order, quantity, composition, or importance, but are used to distinguish one element from another, and do not necessarily indicate a requirement or order. It is to be understood that the terms "comprises" and / or "comprising," when used in this specification, specify the presence of stated features, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and / or groups thereof.

[0027] The preferred embodiments of the present application have been described above with the aid of drawing figures, and are not limited to those embodiments per se, but can be modified in various ways. It will be apparent to persons skilled in the art that the present application can be implemented in other specific forms without departing from the spirit or essential character thereof. Any modifications, equivalent replacements, improvements, and the like made within the spirit and principles of the present application are intended to be included in the scope of the present application.

Claims

1. A transformer neutral point kit comprising a body (1), characterised in that, The bottom of the body (1) is fixedly connected with a sleeve (101), the bottom of the sleeve (101) is slidably connected with an extension column (2), two T-shaped grooves (201) are symmetrically formed on the surface of the extension column (2), two reinforcing arms (102) are slidably connected in the T-shaped grooves (201), the two reinforcing arms (102) are fixedly connected to the bottom of the body (1), a receiving groove (202) is formed between the two T-shaped grooves (201), and the surfaces of the receiving groove (202) near the two reinforcing arms (102) are provided with constraint mechanisms for constraining the reinforcing arms (102), the bottom of the extension column (2) is sleeved with a supporting column (3), and the inside of the supporting column (3) near the reinforcing arm (102) is rotatably connected with two winding rollers (301).

2. The transformer neutral point kit of claim 1, wherein, The constraint mechanism comprises a supporting plate (203), the supporting plate (203) is slidably connected in the receiving groove (202), and the surface of the supporting plate (203) near the T-shaped groove (201) is fixedly connected with a pressing plate (206).

3. The transformer neutral point kit of claim 2, wherein, The inside of the receiving groove (202) is rotatably connected with a toothed roller (208), the surface of the toothed roller (208) is matched with a rack (207), the rack (207) is fixedly connected to one side of the supporting plate (203), and the surface of the supporting plate (203) away from the pressing plate (206) is provided with a reset mechanism for resetting the pressing plate (206).

4. The transformer neutral point kit of claim 3, wherein, The reset mechanism comprises two supporting rods (204), the two supporting rods (204) are fixedly connected to one side of the inside of the receiving groove (202), the supporting plate (203) is sleeved on the surfaces of the two supporting rods (204), the surfaces of the two pressing plates (206) are sleeved with springs (205), one ends of the two springs (205) are fixedly connected to one side of the supporting plate (203), and the other ends of the two springs (205) are fixedly connected to one side of the inside of the receiving groove (202).

5. The transformer neutral point kit of claim 1, wherein, The lifting mechanism comprises a pull rope (307), the pull rope (307) is sleeved on the surface of the winding roller (301), the other end of the pull rope (307) is fixedly connected to the inner surface of the extension column (2), one end of the winding roller (301) is fixedly connected with a first gear (302), the surface of the first gear (302) is matched with a second gear (303), and the second gear (303) is rotatably connected to one side of the supporting column (3).

6. The transformer neutral point kit of claim 5, wherein, The surface of the second gear (303) away from the first gear (302) is matched with a third gear (304), the third gear (304) is rotatably connected to one side of the body (1), one side of the third gear (304) is fixedly connected with a worm wheel (305), the surface of the worm wheel (305) is matched with a worm (306), and the worm (306) is rotatably connected to one side of the supporting column (3).

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