CN210325436U

CN210325436U - Falling object prevention device for installing transformer low-voltage sleeve

Info

Publication number: CN210325436U
Application number: CN201921182855.5U
Authority: CN
Inventors: 马磊
Original assignee: Taizhou Tongchen Electric Co Ltd
Current assignee: Taizhou Tongchen Electric Co Ltd
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2020-04-14
Anticipated expiration: 2029-07-25

Abstract

The utility model relates to the technical field of transformer installation, in particular to an object falling prevention device for installing a transformer low-voltage sleeve, which solves the defect that the low-voltage sleeve in the prior art is easy to fall when being installed, and comprises an oil tank inner wall, an oil tank upper wall and fixing devices, wherein the oil tank inner wall is the tank wall at the back of the transformer oil tank, the oil tank upper wall is the tank wall at the top of the transformer oil tank, the oil tank upper wall is provided with a through hole, a porcelain sleeve is sleeved in the through hole, a conducting rod is sleeved in the porcelain sleeve, a pressing plate is sleeved on the porcelain sleeve and is connected with the oil tank upper wall through a bolt, a pair of fixing devices are arranged on the oil tank inner wall, the two fixing devices are positioned on the same horizontal line, the fixing devices comprise a shell, a rotating groove, a sliding groove and a pin, and the sliding groove is horizontally arranged in the shell, the utility model can avoid unnecessary loss caused, time and labor are saved.

Description

Falling object prevention device for installing transformer low-voltage sleeve

Technical Field

The utility model relates to a transformer installation technical field especially relates to a prevent weighing down thing device for installing transformer low pressure sleeve pipe.

Background

In general, after the transformer is pumped out and oil is filled, the low-voltage sleeve terminal and the low-voltage winding are not connected, and the low-voltage sleeve and the low-voltage winding need to be connected, but the transformer is filled with oil at the moment, three reserved cavities for mounting the low-voltage sleeve terminal are small, each cavity can only allow one arm to enter, an installer needs to hold the screw nut with one hand and hold the board with the other hand for operation. Therefore, because space limitation, blind areas of visual fields and installation personnel can only grope for installation, the phenomenon that objects such as bolts and screws fall is easily caused, nuts falling into the transformer are taken out, transformer oil in the transformer needs to be drained at first, the transformer outer cover is lifted, the fallen nuts are searched, and time and labor are wasted.

Disclosure of Invention

The utility model aims at solving the problem that the low-voltage bushing existing in the prior art is easy to fall into the object when being installed, and providing a falling-proof device for installing the low-voltage bushing of the transformer.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a prevent weighing down thing device for installing transformer low-voltage bushing, includes oil tank inner wall, oil tank upper wall and fixing device, the oil tank inner wall is the tank wall at the transformer tank back, the oil tank upper wall is the tank wall at transformer tank top, the through-hole has been seted up to the oil tank upper wall, and the cover is equipped with the insulator in the through-hole, and the cover is equipped with the conducting rod in the insulator, the cover is equipped with the clamp plate on the insulator, and the clamp plate passes through bolt and oil tank upper wall connection, and a pair of fixing device all sets up on the oil tank inner wall, and two fixing device are located same water flat line.

Preferably, the fixing device comprises a housing, a rotating groove, a sliding groove and a pin, wherein the sliding groove is horizontally arranged in the housing, the sliding groove is vertically arranged in the housing, and the sliding groove is positioned above the rotating groove.

Preferably, two prevent weighing down the frame between the fixing device, and prevent weighing down the both sides of frame upper end and all weld the axis of rotation, prevent weighing down and be equipped with a plurality of magnet pieces in the frame.

Preferably, the rotating shaft is matched with the rotating groove in a rotating mode, the front face of the rotating shaft is provided with a pin groove, and an included angle between the pin groove and the sliding groove is 90 degrees.

Preferably, the pin is in sliding fit with the sliding groove, and the pin is matched with the pin groove.

Compared with the prior art, the utility model discloses can avoid causing unnecessary loss, labour saving and time saving after falling to the oil tank when article such as bolt, screw rod when the installation.

Drawings

Fig. 1 is a schematic view of a front-view cross-sectional structure of an object falling prevention device for mounting a transformer low-voltage bushing according to the present invention;

fig. 2 is a schematic cross-sectional structural view of a fixing device of an object falling prevention device for mounting a transformer low-voltage bushing according to the present invention;

fig. 3 is a schematic view of the sectional structure of the falling object preventing device for mounting the transformer low-voltage bushing.

In the figure: 1 inner wall of an oil tank, 2 upper walls of the oil tank, 3 porcelain sleeves, 4 pressing plates, 5 conducting rods, 6 anti-falling frames, 7 fixing devices, 71 shells, 72 rotating grooves, 73 sliding grooves, 74 pins, 8 magnet blocks, 9 rotating shafts and 91 pin grooves.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, an anti-falling device for installing a transformer low-voltage bushing comprises an oil tank inner wall 1, an oil tank upper wall 2 and fixing devices 7, wherein the oil tank inner wall 1 is a tank wall on the back of a transformer oil tank, the oil tank upper wall 2 is a tank wall on the top of the transformer oil tank, a through hole is formed in the oil tank upper wall 2, a porcelain sleeve 3 is sleeved in the through hole, a conducting rod 5 is sleeved in the porcelain sleeve 3, a pressing plate 4 is sleeved on the porcelain sleeve 3, the pressing plate 4 is connected with the oil tank upper wall 2 through a bolt, a pair of fixing devices 7 are arranged on the oil tank inner wall 1, and the two fixing devices 7 are located on the same horizontal line.

Wherein, the fixing device 7 comprises a housing 71, a rotating groove 72, a sliding groove 73 and a pin 74, and the sliding groove 73 is horizontally arranged in the housing 71, and the sliding groove 73 is vertically arranged in the housing 71, and the sliding groove 73 is located above the rotating groove 72.

Be equipped with between two fixing device 7 and prevent weighing down frame 6, and prevent weighing down both sides of frame 6 upper end and all welded axis of rotation 9, prevent weighing down and be equipped with a plurality of magnet pieces 8 in the frame 6, magnet piece 8 can be with the nut that falls, objects of falling such as gasket adsorb, axis of rotation 9 and rotation groove 72 normal running fit, and the front of axis of rotation 9 is equipped with cotter groove 91, contained angle between cotter groove 91 and the sliding tray 73 is 90, pin 74 and sliding tray 73 sliding fit, and pin 74 and cotter groove 91 phase-match, it makes to prevent weighing down frame 6 and oil tank inner wall 1 perpendicularly to rotate, pin 74 can insert in cotter groove 91 this moment, prevent weighing down frame 6 also can be fixed.

Example (b): when an installer installs the low-voltage casing, the anti-falling frame 6 is rotated to enable the anti-falling frame 6 to be perpendicular to the inner wall 1 of the oil tank, the pin 74 can be inserted into the pin groove 91 at the moment, the anti-falling frame 6 can also be fixed, unnecessary loss caused by falling of objects such as bolts and screws into the oil tank during installation can be avoided, and falling objects such as falling nuts and gaskets can be adsorbed by the magnet block 8.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An object falling prevention device for installing a transformer low-voltage bushing, comprising:

the oil tank comprises an oil tank inner wall (1), wherein the oil tank inner wall (1) is a tank wall on the back of a transformer oil tank;

the transformer oil tank comprises an oil tank upper wall (2), wherein the oil tank upper wall (2) is the tank wall at the top of the transformer oil tank, the oil tank upper wall (2) is provided with a through hole, a porcelain bushing (3) is sleeved in the through hole, a conducting rod (5) is sleeved in the porcelain bushing (3), a pressing plate (4) is sleeved on the porcelain bushing (3), and the pressing plate (4) is connected with the oil tank upper wall (2) through a bolt;

the fixing devices (7) and the pair of fixing devices (7) are arranged on the inner wall (1) of the oil tank, and the two fixing devices (7) are located on the same horizontal line.

2. The device for preventing objects from falling down for installing the low-voltage bushing of the transformer as claimed in claim 1, wherein said fixing device (7) comprises a housing (71), a rotating groove (72), a sliding groove (73) and a pin (74), and the sliding groove (73) is horizontally disposed in the housing (71), and the sliding groove (73) is vertically disposed in the housing (71), and the sliding groove (73) is located above the rotating groove (72).

3. The device for preventing objects from falling for installing the low-voltage sleeve of the transformer is characterized in that a falling preventing frame (6) is arranged between the two fixing devices (7), rotating shafts (9) are welded on two sides of the upper end of the falling preventing frame (6), and a plurality of magnet blocks (8) are arranged in the falling preventing frame (6).

4. The device for preventing objects from falling down for mounting the low-voltage sleeve of the transformer as claimed in claim 3, wherein the rotating shaft (9) is rotatably matched with the rotating groove (72), the front surface of the rotating shaft (9) is provided with a pin groove (91), and the included angle between the pin groove (91) and the sliding groove (73) is 90 degrees.

5. The device for preventing falling objects for installing the low-voltage bushing of the transformer as claimed in claim 2, wherein the pin (74) is slidably fitted with the sliding groove (73), and the pin (74) is matched with the pin groove (91).