CN210361089U

CN210361089U - Sleeve for overhauling transformer substation

Info

Publication number: CN210361089U
Application number: CN201921056998.1U
Authority: CN
Inventors: 王月明; 李源; 张川; 丁科宇; 刘建宏; 刘诚; 金鹏; 李建平; 仲泽坤; 张志勋; 张宏安; 胡昌斌
Original assignee: Kunming Power Supply Bureau of Yunnan Power Grid Co Ltd
Current assignee: Kunming Power Supply Bureau of Yunnan Power Grid Co Ltd
Priority date: 2019-07-08
Filing date: 2019-07-08
Publication date: 2020-04-21
Anticipated expiration: 2029-07-08

Abstract

The utility model discloses a transformer substation overhauls sleeve of usefulness aims at providing the sleeve of transformer substation overhauls usefulness that can improve the operating efficiency. It comprises a sleeve component and a trigger; the sleeve component comprises a cover body, six clamping legs, six pressure springs, six steel clamping plates in 120-degree included angle shapes and a taper sleeve, wherein a handle is arranged on the outer wall of the taper sleeve; the cover body is in a frustum shape with a large upper end and a small lower end; the upper end of the cover body is closed, and the middle part of the upper end of the cover body is provided with a connector; the upper end of the connector is provided with a polygonal jack; six vertical slotted holes are uniformly distributed in the side wall of the cover body; the clamping legs are L-shaped and are respectively positioned in the slotted holes; the upper ends of the clamping legs are hinged with the cover body, and the short edges of the lower ends of the clamping legs extend into the slot holes; the steel clamping plate is hinged to the lower ends of the clamping legs and is positioned in the cover body; a fixing rod extending downwards is arranged at the center in the cover body; one end of each of the six pressure springs is connected with the six clamping legs one by one, and the other end of each of the six pressure springs is connected with the fixed rod, so that the clamping legs are opened outwards.

Description

Sleeve for overhauling transformer substation

Technical Field

The utility model belongs to the technical field of maintain dismouting multiplexer utensil technique and specifically relates to a sleeve of transformer substation's maintenance usefulness is related to.

Background

When equipment in the transformer substation is overhauled or installed, various screws, nuts or screws with other appearances with threads are often disassembled. The existing tools for disassembling the screw and the nut generally comprise a sleeve or a wrench, wherein most of the sleeves are sleeves with fixed shapes and sizes, and the corresponding sleeves are required to be found to disassemble the screw and the nut during each work. The staff is often in the high altitude construction, and the operation point space is limited, can not carry the sleeve of too many specifications, can only climb up and climb down or rely on other people to assist the transmission, and this kind has increased danger and makes work efficiency low for work. The wrenches are roughly classified into two types, one is a wrench with a fixed opening size, and the other is an adjustable wrench. The spanner of multiple specification must be prepared when working hour to wherein fixed opening size's spanner, and this type of spanner during operation need be constantly look for and switch corresponding open-ended spanner, and another kind of monkey spanner is though nimble strong a bit, but when work meets screw, the nut that needs to dismantle, and this screw, nut next door need have sufficient torsional space, if can supply that the spanner pivoted space is narrow and small, then difficult dismantlement screw rod (screw), nut. The two wrenches also seriously affect the working efficiency, the procedure is complicated and the like.

In view of the above problems, there is a need for a tool that is easy to operate and suitable for the assembly and disassembly of nuts with various specifications, so as to improve the efficiency and safety of operation.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a purpose aims at overcoming the not enough of prior art existence, provides the sleeve of transformer substation's maintenance usefulness that can improve operating efficiency and security.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

a sleeve for overhauling a transformer substation comprises a sleeve assembly and a trigger;

the sleeve component comprises a cover body, six clamping legs, six pressure springs, six steel clamping plates in 120-degree included angle shapes and a taper sleeve, wherein a handle is arranged on the outer wall of the taper sleeve; the cover body is in a frustum shape with a large upper end and a small lower end; the upper end of the cover body is closed, and the middle part of the upper end of the cover body is provided with a connector; the upper end of the connector is provided with a polygonal jack; six vertical slotted holes are uniformly distributed in the side wall of the cover body; the clamping legs are L-shaped and are respectively positioned in the slotted holes; the upper ends of the clamping legs are hinged with the cover body, and the short edges of the lower ends of the clamping legs extend into the slot holes; the steel clamping plate is hinged to the lower ends of the clamping legs and is positioned in the cover body; a fixing rod extending downwards is arranged at the center in the cover body; one ends of the six pressure springs are respectively connected with the six clamping legs one by one, and the other ends of the six pressure springs are connected with the fixed rod, so that the clamping legs are outwards opened; the taper sleeves are sleeved on the outer walls of the six clamping legs, and the larger end of the taper sleeves is upward; the inner wall of the taper sleeve is provided with an internal thread, and the outer side of the clamping leg is provided with an external thread matched with the internal thread of the taper sleeve;

the trigger comprises a handle rod and an insertion block which is arranged at one end of the handle rod, is matched with the insertion hole and has magnetism;

when the taper sleeve is screwed upwards, the clamping legs rotate inwards relative to the taper sleeve and compress the pressure spring, the steel clamping plates move inwards and are respectively attached to six edges of the end of the nut or the screw rod, and the end of the nut or the screw rod is clamped.

Preferably, the legs are connected to the housing by pins.

Compared with the prior art, the utility model has the advantages of as follows:

the utility model discloses can make the maintenance work efficiency of transformer substation effectively improve, the sleeve of different specifications that aerial work personnel need not to take from top to bottom reduces personnel's safety risk hidden danger, consequently operation safety, convenient to use, labour saving and time saving.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a sleeve assembly of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 with the drogue removed;

FIG. 3 is a schematic structural view of the wrench of the present invention;

fig. 4 is a bottom view of fig. 2.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention. In the following description, for the sake of clarity of illustrating the structure and operation of the present invention, reference will be made to the accompanying drawings by means of directional terms, but the terms "front", "rear", "left", "right", "up", "down", etc. should be construed as convenient terms and not as limitative terms.

The sleeve for overhauling the transformer substation shown in the figures 1 to 4 comprises a sleeve assembly and a trigger;

the sleeve component comprises a cover body 1, six clamping legs 3, six pressure springs 7, six steel clamping plates 11 in 120-degree included angle shapes, and a taper sleeve 2 with a handle 5 arranged on the outer wall; the cover body 1 is in a frustum shape with a large upper end and a small lower end; the upper end of the cover body 1 is closed, and the middle part of the upper end of the cover body is provided with a connector 12; the upper end of the connector 12 is provided with a polygonal jack 4; six vertical slotted holes 13 are uniformly distributed on the side wall of the cover body 1; the clamping legs 3 are L-shaped and are respectively positioned in the slotted holes 13; the upper ends of the clamping legs 3 are hinged with the cover body 1, and the short edges of the lower ends of the clamping legs extend into the slotted holes 13; the steel clamping plates 11 are hinged to the lower ends of the clamping legs 3 and are positioned in the cover body 1, and the hinged structure of the steel clamping plates and the clamping legs enables the six steel frame plates to be finely adjusted in angle up and down and is used for clamping six edges of screw rod ends and nuts; a fixing rod 10 extending downwards is arranged at the center in the cover body 1; one ends of six compression springs 7 are respectively connected with the six clamping legs 3 one by one, and the other ends of the six compression springs are connected with a fixed rod 10, so that the clamping legs 3 are outwards opened; the taper sleeve 2 is sleeved on the outer walls of the six clamping legs 3, and the end with the larger diameter faces upwards; the inner wall of the taper sleeve 2 is provided with internal threads (not shown in the figure), and the outer side of the clamping leg 3 is provided with external threads 6 matched with the internal threads of the taper sleeve 2;

the trigger comprises a handle rod 8 and an insertion block 9 which is arranged at one end of the handle rod 8, is matched with the insertion hole 4 and has magnetism; the insert 9 can be engaged and tightly connected with the insert 9 on the trigger 8.

When the taper sleeve 2 is screwed upwards, the clamping legs 3 rotate inwards relative to the taper sleeve 2 and compress the pressure spring 7, and the steel clamping plate 11 moves inwards to be attached to six edges of the end of the nut or the screw rod respectively, so that the end of the nut or the screw rod is clamped.

In this embodiment, the insertion hole 4 is a quadrangle, but may also be a hexagon or an octagon. The clamping legs 3 are connected with the cover body 1 through pins.

When the pressure spring 7 is in a natural state, the six clamping legs 3 are in an outward springing state, and the six steel clamping plates 11 form a larger hexagon. The clamping legs 3 can move towards the cover body 1 by rotating the taper sleeve 2 upwards, so that the hexagon formed by the six steel clamping plates 11 is gradually reduced, and the purpose of clamping the end of the screw rod and the nut is achieved. The taper sleeve 2 is provided with a handle 5, so that the taper sleeve 2 can be conveniently rotated.

The working principle of the specific embodiment is as follows: cover body 1 on the nut, the screw that will install or dismantle, use handle 5 rotatory taper sleeve 2 to move upwards, six press from both sides leg 3 simultaneously to the inside shrink in cover body 1 center, let six steel clamp plates 11 that are 120 degrees contained angles form press from both sides the tight nut, six edges and corners back of screw that will install or dismantle, insert the jack 4 with the inserted block 9 of trigger 8 in, use trigger 8 to install nut, screw or dismantle.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a sleeve that transformer substation overhauld usefulness which characterized in that: comprises a sleeve component and a trigger;

the sleeve component comprises a cover body (1), six clamping legs (3), six compression springs (7), six steel clamping plates (11) with 120-degree included angles and a taper sleeve (2) of which the outer wall is provided with a handle (5); the cover body (1) is in a frustum shape with a large upper end and a small lower end; the upper end of the cover body (1) is closed, and the middle part of the upper end of the cover body is provided with a connector (12); the upper end of the connector (12) is provided with a polygonal jack (4); six vertical slotted holes (13) are uniformly distributed on the side wall of the cover body (1); the clamping legs (3) are L-shaped and are respectively positioned in the slotted holes (13); the upper ends of the clamping legs (3) are hinged with the cover body (1), and the short edges of the lower ends of the clamping legs extend into the slotted holes (13); the steel clamping plates (11) are hinged to the lower ends of the clamping legs (3) and are positioned in the cover body (1); a fixing rod (10) extending downwards is arranged at the center in the cover body (1); one ends of six pressure springs (7) are respectively connected with six clamping legs (3) one by one, and the other ends of the six pressure springs are connected with a fixed rod (10) to enable the clamping legs (3) to be opened outwards; the taper sleeves (2) are sleeved on the outer walls of the six clamping legs (3), and the larger end of the taper sleeve is upward; the inner wall of the taper sleeve (2) is provided with an internal thread, and the outer side of the clamping leg (3) is provided with an external thread (6) matched with the internal thread of the taper sleeve (2);

the trigger comprises a handle rod (8) and an insertion block (9) which is arranged at one end of the handle rod (8), is matched with the insertion hole (4) and has magnetism;

when the taper sleeve (2) is screwed upwards, the clamping legs (3) rotate inwards relative to the taper sleeve (2) and compress the pressure spring (7), the steel clamping plate (11) moves inwards and is attached to six edges of the end of the nut or the screw rod respectively, and clamping of the end of the nut or the screw rod is achieved.

2. The substation inspection sleeve of claim 1, wherein: the clamping legs (3) are connected with the cover body (1) through pins.