阅读说明：本技术 一种计量检测仪器的电压卡钳 (Voltage caliper of metering and detecting instrument ) 是由 邓召辉 唐晚成 李诗奇 陈坚成 朱绍达 王睿芳 陈彬 陈静 冯嘉 汤龙 于 2020-07-21 设计创作，主要内容包括：本发明公开了一种计量检测仪器的电压卡钳,包括夹持单元、调节单元和连接单元,其中,夹持单元,包括限位组件和位于限位组件内部的夹持组件；调节单元,包括第一连接块和位于第一连接块上方的压板,第一连接块和压板通过调节组件活动连接,调节单元与夹持单元固定连接；以及,连接单元,包括固定块,固定块与第一连接块固定连接；本发明设置有夹持单元、调节单元和连接单元,通过夹持单元和调节单元之间的相互配合,使得电压卡钳在现场检定测试电压端子时,能稳定的与端子固定连接,从而避免在测量时电压卡钳掉落的情况,保障操作人员的生命安全。(The invention discloses a voltage caliper of a metering and detecting instrument, which comprises a clamping unit, an adjusting unit and a connecting unit, wherein the clamping unit comprises a limiting component and a clamping component positioned in the limiting component; the adjusting unit comprises a first connecting block and a pressing plate positioned above the first connecting block, the first connecting block and the pressing plate are movably connected through an adjusting assembly, and the adjusting unit is fixedly connected with the clamping unit; the connecting unit comprises a fixed block, and the fixed block is fixedly connected with the first connecting block; the clamping unit, the adjusting unit and the connecting unit are arranged, and the clamping unit and the adjusting unit are matched with each other, so that the voltage caliper can be stably and fixedly connected with the terminal when the voltage terminal is detected and tested on site, the condition that the voltage caliper falls off during measurement is avoided, and the life safety of operators is guaranteed.)

1. The utility model provides a measurement detecting instrument's voltage calliper which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

the clamping unit (100) comprises a limiting component (101) and a clamping component (102) positioned inside the limiting component (101);

the adjusting unit (200) comprises a first connecting block (201) and a pressing plate (202) positioned above the first connecting block (201), the first connecting block (201) and the pressing plate (202) are movably connected through an adjusting component (203), and the adjusting unit (200) is fixedly connected with the clamping unit (100); and the number of the first and second groups,

the connecting unit (300) comprises a fixing block (301), and the fixing block (301) is fixedly connected with the first connecting block (201).

2. The voltage clamp of a metrological test instrument as claimed in claim 1, wherein: the limiting assembly (101) comprises a first arc-shaped limiting block (101a) and a second arc-shaped limiting block (101b) located below the first arc-shaped limiting block (101a), the first arc-shaped limiting block (101a) is attached to the second arc-shaped limiting block (101b), and the first arc-shaped limiting block (101a) and the second arc-shaped limiting block (101b) form a hollow cylinder.

3. The voltage clamp of a metrological test instrument as claimed in claim 2, wherein: the inner walls of the first arc-shaped limiting block (101a) and the second arc-shaped limiting block (101b) are horizontally provided with limiting grooves (101c), and first limiting blocks (101d) are arranged in the limiting grooves (101 c).

4. The voltage clamp of a metrological test instrument as claimed in claim 3, wherein: the clamping assembly (102) comprises an arc-shaped limiting block (102a), threaded holes (102b) are formed in the arc-shaped limiting block (102a), the first arc-shaped limiting block (101a), the second arc-shaped limiting block (101b) and the first limiting block (101d), and screws (102c) are connected to the threaded holes (102b) in an internal thread mode.

5. The voltage clamp of the metrological test instrument as claimed in claim 4, wherein: the first connecting block (201) is fixedly connected with the first arc-shaped limiting block (101a), and the pressing plate (202) is fixedly connected with the second arc-shaped limiting block (101 b).

6. The voltage clamp of a metrological test instrument as claimed in claim 5, wherein: the adjusting assembly (203) comprises second limiting blocks (203a) and third limiting blocks (203b), the second limiting blocks (203a) and the third limiting blocks (203b) are symmetrically arranged, and through holes (203c) are formed in the second limiting blocks (203a) and the third limiting blocks (203 b).

7. The voltage clamp of a metrological test instrument as claimed in claim 6, wherein: be provided with gag lever post (203d) in through-hole (203c), cup joint on gag lever post (203d) and be provided with elastic component (203e), elastic component (203e) with the laminating of through-hole (203c) inner wall.

8. The voltage clamp of a metrological test instrument as claimed in claim 7, wherein: the second limiting block (203a) is fixedly connected with the top of the first connecting block (201), and the third limiting block (203b) is fixedly connected with the bottom of the pressing plate (202).

9. The voltage clamp of a metrological test instrument as claimed in claim 8, wherein: the connecting unit (300) further comprises a conductive block (302), an insulating layer (303) is sleeved on the outer side of the conductive block (302), and a joint (304) is arranged on one side of the conductive block (302).

10. The voltage clamp of a metrological test instrument as claimed in claim 9, wherein: one end of the conductive block (302) penetrates through the fixing block (301) and the other end of the conductive block penetrates through the joint (304), and a connecting hole (304a) is formed in one side of the joint (304).

Technical Field

The invention relates to the technical field of electrical equipment, in particular to a voltage caliper of a metering and detecting instrument.

Background

In recent years, due to the problems that most of power load management terminals and distribution transformer detection terminals are too high in installation position, small in gap between terminals, too small in terminal hole distance and the like, voltage calipers are not easy to fix during field verification and test of voltage terminals, the voltage calipers fall off for many times after being fixed, inconvenience is brought to detection work, and meanwhile, mechanical injury and sparks caused by ejection of the voltage calipers can threaten the life safety of high-altitude operation personnel.

Disclosure of Invention

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.

The invention is provided in view of the problem that the voltage caliper of the existing metering and detecting instrument is not easy to fix when the voltage terminal is detected and tested on site.

It is therefore an object of the present invention to provide a voltage clamp for a metrological instrument.

In order to solve the technical problems, the invention provides the following technical scheme: the voltage caliper of the metering detection instrument comprises a clamping unit, an adjusting unit and a connecting unit, wherein the clamping unit comprises a limiting assembly and a clamping assembly positioned in the limiting assembly; the adjusting unit comprises a first connecting block and a pressing plate positioned above the first connecting block, the first connecting block and the pressing plate are movably connected through an adjusting assembly, and the adjusting unit is fixedly connected with the clamping unit; and the connecting unit comprises a fixed block, and the fixed block is fixedly connected with the first connecting block.

As a preferable aspect of the voltage caliper of the measurement and detection instrument of the present invention, wherein: the limiting assembly comprises a first arc limiting block and a second arc limiting block located below the first arc limiting block, the first arc limiting block is attached to the second arc limiting block, and the first arc limiting block and the second arc limiting block form a hollow cylinder.

As a preferable aspect of the voltage caliper of the measurement and detection instrument of the present invention, wherein: the inner walls of the first arc-shaped limiting block and the second arc-shaped limiting block are horizontally provided with limiting grooves, and first limiting blocks are arranged in the limiting grooves.

As a preferable aspect of the voltage caliper of the measurement and detection instrument of the present invention, wherein: the clamping assembly comprises an arc-shaped limiting block, threaded holes are formed in the arc-shaped limiting block, the first arc-shaped limiting block, the second arc-shaped limiting block and the first limiting block, and screws are connected with the threaded holes in an internal thread mode.

As a preferable aspect of the voltage caliper of the measurement and detection instrument of the present invention, wherein: the first connecting block is fixedly connected with the first arc-shaped limiting block, and the pressing plate is fixedly connected with the second arc-shaped limiting block.

As a preferable aspect of the voltage caliper of the measurement and detection instrument of the present invention, wherein: the adjusting assembly comprises two second limiting blocks and two third limiting blocks, the second limiting blocks and the third limiting blocks are symmetrically arranged, and through holes are formed in the second limiting blocks and the third limiting blocks.

As a preferable aspect of the voltage caliper of the measurement and detection instrument of the present invention, wherein: the through hole is internally provided with a limiting rod, the limiting rod is sleeved with an elastic piece, and the elastic piece is attached to the inner wall of the through hole.

As a preferable aspect of the voltage caliper of the measurement and detection instrument of the present invention, wherein: the second limiting block is fixedly connected with the top of the first connecting block, and the third limiting block is fixedly connected with the bottom of the pressing plate.

As a preferable aspect of the voltage caliper of the measurement and detection instrument of the present invention, wherein: the connecting unit further comprises a conductive block, an insulating layer is sleeved on the outer side of the conductive block, and a connector is arranged on one side of the conductive block.

As a preferable aspect of the voltage caliper of the measurement and detection instrument of the present invention, wherein: one end of the conductive block penetrates through the fixed block and the other end of the conductive block penetrates through the joint, and a connecting hole is formed in one side of the joint.

The invention has the beneficial effects that: the clamping unit, the adjusting unit and the connecting unit are arranged, and the clamping unit and the adjusting unit are matched with each other, so that the voltage caliper can be stably and fixedly connected with the terminal when the voltage terminal is detected and tested on site, the condition that the voltage caliper falls off during measurement is avoided, and the life safety of operators is guaranteed.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:

FIG. 1 is a schematic view of the overall structure of a voltage caliper of the measurement and detection instrument of the present invention.

FIG. 2 is a schematic structural diagram of a clamping unit of a voltage caliper of the measurement and detection apparatus according to the present invention.

FIG. 3 is a schematic cross-sectional view of the clamping unit of the voltage clamp of the measurement and detection apparatus according to the present invention.

Fig. 4 is a schematic structural diagram of the adjusting unit of the voltage caliper of the metering and detecting instrument of the invention.

FIG. 5 is a schematic view of the structure of the adjusting assembly of the voltage clamp of the measurement and detection instrument of the present invention.

FIG. 6 is a schematic sectional view of the structure of the adjusting assembly of the voltage caliper of the measurement and detection instrument of the present invention.

Fig. 7 is a schematic structural diagram of the connection unit of the voltage clamp of the measurement and detection instrument of the present invention.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Furthermore, the present invention is described in detail with reference to the drawings, and in the detailed description of the embodiments of the present invention, the cross-sectional view illustrating the structure of the device is not enlarged partially according to the general scale for convenience of illustration, and the drawings are only exemplary and should not be construed as limiting the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.