CN213398657U

CN213398657U - Load measuring brake lever

Info

Publication number: CN213398657U
Application number: CN202022375765.7U
Authority: CN
Inventors: 刘鹏; 张宁; 陈飞宇; 路遥; 任立新
Original assignee: State Grid Beijing Electric Power Co Ltd
Current assignee: State Grid Beijing Electric Power Co Ltd
Priority date: 2020-10-22
Filing date: 2020-10-22
Publication date: 2021-06-08
Anticipated expiration: 2030-10-22

Abstract

The utility model discloses a load measuring brake lever, which comprises a brake lever body, a fixed lever and a wire fixing clamping plate; the brake bar body is of an internal hollow structure, and a current transformer is arranged at the front end of the brake bar body; the end part of the fixed rod is provided with threads, the end part of the fixed rod is screwed in from the side surface of the front end of the brake lever body, and the metal base of the current transformer is tightly propped against the inner wall of the brake lever body; the wire fixing clamping plate is arranged inside the brake bar body, is located below the metal base and is electrically connected with the wiring terminal at the bottom of the metal base through the spring wiring terminal. The utility model discloses upper end current transformer adopts the convenient design of dismantling, can pull down current transformer when not using and put the saddlebag in, avoids causing the rupture of top current transformer in the transportation.

Description

Load measuring brake lever

[ technical field ] A method for producing a semiconductor device

The utility model belongs to electric power detects the instrument field, relates to a survey load brake lever.

[ background of the invention ]

With the continuous improvement of the service quality of power grid enterprises, the management requirement on the power quality is higher and higher. The platform table uploads the collected data to the background, the background analyzes the collected data to prompt operation and maintenance managers whether the quality of the output electric energy of the transformer is abnormal or not, if the abnormality occurs, the operation and maintenance managers need to check the reason of the abnormality on site, and the column type transformer is higher in installation position, so that the safety is improved, and the load measuring brake lever with the current and voltage measuring function is generally used for carrying out on-site actual measurement. The load-measuring brake rod is divided into four parts, namely an insulating brake rod, a current transformer, a meter and a grounding wire.

The side load brake lever is widely used at present to measure the voltage and the current of the column type transformer, and the two have the following defects:

1) the current transformer at the upper end of the load measuring rod is connected to the top end of the insulating rod and made of hard plastic, so that the current transformer is very fragile and inconvenient to disassemble, the current transformer is very easy to break in the transportation and use processes, and the service life of equipment is seriously shortened.

2) The insulating rod is divided into an upper section and a lower section, each section is 1.5 meters, the middle of the insulating rod is connected by a screw, and the insulating rod is very inconvenient to carry during work.

[ Utility model ] content

An object of the utility model is to solve the problem among the prior art, provide a survey load brake lever.

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

a load measuring brake lever comprising:

the brake bar body is of an internal hollow structure, and a current transformer is installed at the front end of the brake bar body;

the end part of the fixed rod is screwed in from the side surface of the front end of the brake bar body, and a metal base of the current transformer is tightly propped against the inner wall of the brake bar body;

the wire fixing clamping plate is arranged inside the brake bar body, is positioned below the metal base and is electrically connected with the wiring terminal at the bottom of the metal base through a spring wiring terminal.

The utility model discloses further improvement lies in:

the brake bar body is provided with a round hole with the diameter of 5mm, and the fixing rod is selected into the brake bar body through the round hole.

The fixed rod is a metal rod.

The bottom of the metal base is provided with three binding posts, two of which are current transformer binding posts, and one is a metal rod binding post.

And three spring wiring terminals corresponding to the wiring terminals are arranged on the wire fixing clamping plate.

The wire fixing clamping plate is fixed inside the brake bar body through a bolt.

The brake bar body comprises two insulation bars which are sleeved together, wherein the diameter of one insulation bar is smaller than that of the other insulation bar; the tip side of the insulator spindle that the diameter is little is provided with the buckle, and the preformed hole has been seted up to the tip side of the insulator spindle that the diameter is big, and during the assembly, inside the insulator spindle that the diameter is little stretched into the insulator spindle that the diameter is big, the buckle outwards stretched out the preformed hole, with two insulator spindle chucking.

The brake bar body is close to the part of installation current transformer, is provided with the full skirt, prevents that the brake bar from lodging the direct damage that leads to of falling to the ground of back current transformer.

The umbrella skirt is arranged 15cm away from the current transformer, and the diameter of the umbrella skirt is 10 cm.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses upper end current transformer adopts the convenient design of dismantling, can pull down current transformer when not using and put the saddlebag in, avoids causing the rupture of top current transformer in the transportation.

Further, the utility model discloses current transformer metal base bottom leaves three protruding terminal, and current transformer and metal base are connected respectively to three terminal, have three spring binding post to guarantee on the fixed cardboard of wire that the wire can well contact from top to bottom.

Further, the utility model discloses a space that reduces the insulator spindle adopts the insulator spindle cover that two kinds of diameters are different to be in the same place, has the buckle on the thinner pole of diameter.

Further, the utility model discloses a prevent to have installed that the insulator spindle lodging causes current transformer damaged in the use, locate the plastics full skirt that the installation diameter is 10 centimetres apart from current transformer 15 centimetres, can prevent after the lodging that the mutual-inductor directly falls to the ground and bumps badly.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of a metal base bottom terminal of the present invention;

FIG. 3 is a schematic view of the assembly relationship between two insulating rods according to the present invention;

fig. 4 is a schematic structural view of the umbrella skirt of the present invention.

Wherein: 1-fixing the rod; 2-a circular hole; 3-a metal base; 4-a binding post; 5-a spring terminal; 6-wire fixing clamp plate; 7-bolt; 8-buckling; 9-umbrella skirt.

[ detailed description ] embodiments

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that, if the terms "upper", "lower", "horizontal", "inner", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, or the orientation or position relationship that the product of the present invention is usually placed when in use, the description is only for convenience of description and simplification, but the indication or suggestion that the device or element to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be interpreted as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

Furthermore, the term "horizontal", if present, does not mean that the component is required to be absolutely horizontal, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The present invention will be described in further detail with reference to the accompanying drawings:

referring to fig. 1, the load measuring brake lever of the present invention includes a brake lever body, a fixing lever 1 and a wire fixing clip 6; the brake bar body is of an internal hollow structure, and a current transformer is arranged at the front end of the brake bar body; the end part of the fixed rod 1 is provided with threads, the end part of the fixed rod 1 is screwed in from the side surface of the front end of the brake lever body, and the metal base 3 of the current transformer is tightly propped against the inner wall of the brake lever body; the wire fixing clamping plate 6 is arranged inside the brake bar body, is positioned below the metal base 3 and is electrically connected with the wiring terminal 4 at the bottom of the metal base 3 through a spring wiring terminal 5. The brake bar body is provided with a round hole 2 with the diameter of 5mm, and the fixing rod 1 is selected into the brake bar body through the round hole 2. The fixing rod 1 is a metal rod. The bottom of metal base 3 is provided with three terminal 4, and two of them are the current transformer terminal, and one is the metal pole terminal. Three spring wiring terminals corresponding to the wiring terminals 4 are arranged on the wire fixing clamping plate 6. The wire fixing clamping plate 6 is fixed inside the brake bar body through a bolt 7. The brake bar body comprises two insulation bars which are sleeved together, wherein the diameter of one insulation bar is smaller than that of the other insulation bar; the tip side of the insulator spindle that the diameter is little is provided with buckle 8, and the preformed hole has been seted up to the tip side of the insulator spindle that the diameter is big, and during the assembly, the insulator spindle that the diameter is little stretches into inside the insulator spindle that the diameter is big, and buckle 8 outwards stretches out the preformed hole, with two insulator spindle chucking. The brake bar body is close to the part of installation current transformer, is provided with full skirt 9, prevents that the direct ground of current transformer from leading to damaging after the brake bar lodging. The umbrella skirt 9 is arranged 15cm away from the current transformer, and the diameter of the umbrella skirt is 10 cm.

The principle of the utility model is as follows:

the utility model discloses a novel survey load pole, its upper end current transformer adopts the convenient design of dismantling, can pull down current transformer when not using and put the saddlebag in, avoids causing the rupture of top current transformer in the transportation. Leave the round hole 2 of diameter 5 millimeters on the insulating brake bar, put insulating brake bar middle with current transformer metal base 3 during the installation, fix current transformer to the brake bar with metal pole 1 on, on metal pole 1 one end had the round hole 2 that the screw thread passed on the brake bar installed current transformer metal base 3, fixed the pole head with current transformer. Three protruding terminals 4 are left at the bottom of the metal base 3 of the current transformer, the three terminals are respectively connected with the current transformer and the metal base 3, and three spring wiring terminals 5 are arranged on the wire fixing clamping plate 6 to ensure that the upper and lower wires can be in good contact. The wire fixing clamping plate 6 is fixed inside the insulating rod by bolts 7. In order to reduce the space of the insulating rod, two insulating rods with different diameters are sleeved together, the rod with the thinner diameter is provided with a buckle 8, and the buckle capable of pulling out the thinner diameter can be reserved in the air from the ejection card to the insulating rod with the thicker diameter. In order to prevent the insulating rod from lodging to cause damage to the current transformer in the installation and use process, a plastic umbrella skirt 9 with the diameter of 10 centimeters is installed at a position 15 centimeters away from the current transformer, and the direct falling to the ground of the transformer can be prevented from being damaged after the transformer is lodged.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A load measuring brake bar, comprising:

the end part of the fixed rod (1) is provided with threads, the end part of the fixed rod (1) is screwed in from the side surface of the front end of the brake bar body, and a metal base (3) of the current transformer is tightly propped against the inner wall of the brake bar body;

the brake bar comprises a wire fixing clamping plate (6), wherein the wire fixing clamping plate (6) is arranged inside the brake bar body, is located below the metal base (3), and is electrically connected with a wiring terminal (4) at the bottom of the metal base (3) through a spring wiring terminal (5).

2. The load-measuring brake bar according to claim 1, wherein the brake bar body is provided with a circular hole (2) with a diameter of 5mm, and the fixing rod (1) is inserted into the brake bar body through the circular hole (2).

3. Load measuring brake lever according to claim 1 or 2, characterized in that the fixing bar (1) is a metal bar.

4. Load measuring brake lever according to claim 3, characterized in that the bottom of the metal base (3) is provided with three terminals (4), two of which are current transformer terminals and one of which is a metal lever terminal.

5. The load-measuring brake lever according to claim 4, wherein three spring terminals corresponding to the terminals (4) are provided on the wire fixing clip (6).

6. Load measuring brake lever according to claim 1, characterized in that the wire fixing clamp (6) is fixed inside the brake lever body by means of bolts (7).

7. The load measuring brake bar according to claim 1, 2, 4, 5 or 6, wherein the brake bar body comprises two insulation bars sleeved together, wherein one insulation bar has a smaller diameter than the other insulation bar; the tip side of the insulator spindle that the diameter is little is provided with buckle (8), and the preformed hole has been seted up to the tip side of the insulator spindle that the diameter is big, and during the assembly, inside the insulator spindle that the diameter is little stretched into the insulator spindle that the diameter is big, buckle (8) outwards stretched out the preformed hole, with two insulator spindle chucking.

8. The load measuring brake bar according to claim 1, 2, 4, 5 or 6, wherein the brake bar body is provided with a shed (9) near the part where the current transformer is installed, so as to prevent the current transformer from directly falling to the ground and causing damage after the brake bar is laid down.

9. Load measuring brake lever according to claim 8, characterized in that the shed (9) is arranged 15cm from the current transformer and has a diameter of 10 cm.