CN219201148U

CN219201148U - High-voltage cavity for quick lead type electric transport measurement

Info

Publication number: CN219201148U
Application number: CN202223211079.1U
Authority: CN
Inventors: 路宜文
Original assignee: Shanghai Zhenyuan Material Technology Co ltd
Current assignee: Shanghai Zhenyuan Material Technology Co ltd
Priority date: 2023-05-08
Filing date: 2023-05-08
Publication date: 2023-06-16
Anticipated expiration: 2033-05-08

Abstract

The utility model discloses a high-voltage cavity for quick lead type electric transportation measurement, which comprises a sleeve, wherein one end of the sleeve is provided with a plurality of through holes matched with a pressurizing screw, the middle part of the sleeve is provided with a piston hole matched with a piston, the piston is connected with the sleeve through an upper cushion block and a lower cushion block, the side surface of the sleeve is provided with screw holes matched with an upper fixing screw and a lower fixing screw, the sleeve is fixedly connected with the piston through the pressurizing screw, the piston is fixed on the sleeve through the upper fixing screw and the lower fixing screw, and one end of the piston is also provided with a safety jackscrew. The novel electrode wiring mode is designed to solve the problem that the traditional high-voltage cavity is difficult to level, center and prevent an electrode cable, further improve fluctuation and influence on the leveling, centering and electrode cable in the high-voltage electric transportation experiment process, and achieve the effect of stably testing the electric transportation property under a high-voltage low-temperature strong magnetic field.

Description

High-voltage cavity for quick lead type electric transport measurement

Technical Field

The utility model relates to the field of diamond pressure cavities, in particular to a high-pressure cavity for rapid lead type electric transportation measurement.

Background

The static high-voltage electric transport technology is a technology for researching the electric transport property change in the process by continuously applying different high-voltage pressures to a researched sample by using a mechanical loading mode. By combining external conditions such as low temperature, strong magnetic field and the like, the scientific research of condensed substances under the multi-field comprehensive condition can be realized. Static high-pressure experimental devices are designed differently and can be generally divided into four parts: 1, diamond pressing cavity; 2, diamond butt anvil; 3 electrodes; 4 cables.

The traditional diamond pressing cavity is processed by BeCu and is divided into a piston, a sleeve, a fixing screw, a pressing screw and the like. Because the piston and the cylinder are of a closed cylinder structure in the traditional design, the piston and the cylinder need to be repeatedly opened and closed when leveling, centering, electrode arrangement and cable leading-out are carried out, the process is easy to cause the damage of an electrode and an internal sample, the abrasion of a mechanical device is accelerated, the stable transmission of test signals in the cable is not facilitated, and the high-voltage cavity for the rapid lead type electric transport measurement is provided for the process.

Disclosure of Invention

The utility model aims at overcoming the defects of the prior art, and provides a high-voltage cavity for quick lead type electric transportation measurement, so as to solve the problems of the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a quick lead wire type electricity transports measurement and uses high-pressure chamber, includes the sleeve, telescopic one end is equipped with a plurality of and pressurization screw assorted through-hole, telescopic middle part is equipped with the piston hole with piston assorted, the piston passes through upper cushion and lower cushion and links to each other with the sleeve, be equipped with on the telescopic side with upper fixed screw and lower fixed screw assorted screw hole.

As a preferable technical scheme of the utility model, the sleeve and the piston are fixedly connected through a pressurizing screw.

As a preferred embodiment of the present utility model, the piston is fixed to the sleeve by an upper fixing screw and a lower fixing screw.

As a preferable technical scheme of the utility model, one end of the piston is also provided with a safety jackscrew.

The beneficial effects of the utility model are as follows: the high-voltage cavity for the rapid lead type electric transportation measurement can rapidly and stably penetrate four required signal wires through the cavity and be connected with test equipment in the use process, is more suitable for sensitive test samples with rapid assembly requirements, can obtain more stable high-voltage electric measurement data in a short time, improves test efficiency and test stability, and obtains a higher-quality and reliable test result.

Drawings

FIG. 1 is a schematic view of a disassembled structure of the present utility model;

fig. 2 is a schematic diagram of an assembly structure of the present utility model.

In the figure: 1. the device comprises a pressurizing screw, 2, an upper fixing screw, 3, a sleeve, 4, an upper cushion block, 5, a lower cushion block, 6, a lower fixing screw, 7, a piston, 8 and a safety jackscrew.

Detailed Description

The preferred embodiments of the present utility model will be described in detail below with reference to the attached drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.

Examples: referring to fig. 1-2, the present utility model provides a technical solution: the utility model provides a high-pressure chamber for quick lead wire type electric transport measurement, includes sleeve 3, and sleeve 3's one end is equipped with a plurality of and pressurization screw 1 assorted through-hole, and sleeve 3's middle part is equipped with the piston hole with piston 7 assorted, and piston 7 links to each other with sleeve 3 through last cushion 4 and lower cushion 5, is equipped with on sleeve 3's the side with last fixed screw 2 and lower fixed screw 6 assorted screw hole.

The sleeve 3 and the piston 7 are fixedly connected through the pressurizing screw 1.

The piston 7 is fixed to the sleeve 3 by means of an upper set screw 2 and a lower set screw 6.

One end of the piston 7 is also provided with a safety jackscrew 8.

Working principle: the utility model provides a high-voltage cavity for quick lead wire type electric transportation measurement, in order to in the experiment quick leveling, centering, arrange the electrode and stable accurate electric transportation experimental data of obtaining, quick lead wire type electric transportation measurement adopts full open overall arrangement design with high-voltage cavity, under the prerequisite that satisfies mechanical stability and intensity, all screws and the wiring groove of high-voltage cavity all can be at outside operation and fixed, need not to open repeatedly and press the cavity, greatly reduced the mechanical loss in the use, promoted electrode arrangement and cable and stability in the in-process for experimental operation is obviously simplified, experimental data quality is obviously promoted.

The device comprises a piston, a cylinder and a set screw which are matched with each other, and the method of changing a closed design into a fully open design is adopted, so that the device has more convenient operability and more reliable electrode and cable arrangement modes relative to the traditional electric transportation pressure cavity, and further, more stable measurement data can be obtained by rapid editing in the experimental process.

The specific processing technology comprises the following steps:

the processing of the blind hole diamond anvil can be divided into 8 steps: 1. rough turning of the blank; 2. machining a part hole; 3. machining screw threads of parts; 4. chamfering and polishing parts; 5. heat treatment of parts; 6. finish turning of the heat-treated parts; 7. secondary finish machining of a part through hole and threads; 8. high-precision grinding and adapting. The processing sequence is that raw copper is roughly processed into blank, and the blank is finished after heat treatment, and finally high-precision polishing and adapting are carried out. The whole processing process is carried out in multiple steps, various industries are required to cooperate, and abundant processing experience is required;

step 1, firstly, machining a blank piece from a cut raw material block on a four-axis CNC machine tool;

step 2, turning the blank to a drilling machine to drill and roughen threads;

step 3, transferring the blank with the through holes and threads processed to a heat treatment factory for aging heat treatment to ensure that the hardness reaches more than HRC 41;

step 4, performing secondary treatment of finish turning and threads by using a CNC machine tool again after the heat treatment is finished;

and 5, transferring the finished parts to a grinding machine, and matching with a special fixture to perform high-precision grinding and adaptation, wherein a matching clearance reaches 0.003mm.

The foregoing examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.

Claims

1. The utility model provides a high-pressure chamber for quick lead wire formula electric transport measurement, includes sleeve (3), its characterized in that: one end of sleeve (3) is equipped with a plurality of and pressurization screw (1) assorted through-hole, the middle part of sleeve (3) is equipped with the piston hole with piston (7) assorted, piston (7) link to each other with sleeve (3) through last cushion (4) and lower cushion (5), be equipped with on the side of sleeve (3) with last fixed screw (2) and lower fixed screw (6) assorted screw hole.

2. The high-voltage cavity for rapid lead wire type electric transportation measurement according to claim 1, wherein the high-voltage cavity is characterized in that: the sleeve (3) is fixedly connected with the piston (7) through the pressurizing screw (1).

3. The high-voltage cavity for rapid lead wire type electric transportation measurement according to claim 1, wherein the high-voltage cavity is characterized in that: the piston (7) is fixed on the sleeve (3) through an upper fixing screw (2) and a lower fixing screw (6).

4. The high-voltage cavity for rapid lead wire type electric transportation measurement according to claim 1, wherein the high-voltage cavity is characterized in that: one end of the piston (7) is also provided with a safety jackscrew (8).