CN215931939U - Constant-tension line wiring device - Google Patents
Constant-tension line wiring device Download PDFInfo
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- CN215931939U CN215931939U CN202120658577.7U CN202120658577U CN215931939U CN 215931939 U CN215931939 U CN 215931939U CN 202120658577 U CN202120658577 U CN 202120658577U CN 215931939 U CN215931939 U CN 215931939U
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- sliding
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- tension
- hydraulic rod
- sleeve
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Abstract
The utility model provides a tension constant type line wiring device, and belongs to the technical field of power testing equipment. A tension constant type line connection device comprises a sliding connection block connected with a line; the cylindrical sleeve is connected with the sliding connecting block; a hydraulic rod for generating a constant acting force to the sliding connection block connection plate; a metal hose connected to the hydraulic rod; and the hydraulic cylinder is connected with the hydraulic rod through the metal hose. The design tracks the inherent characteristics and the metal fatigue degree of the circuit at different temperatures under the long-term tensile condition for a long time; the problem of the deviation of constraint index caused by design defects when the traditional tensile equipment detects data in a long period is solved. Is a necessary supplement to seasonal circuit detection equipment.
Description
Technical Field
The utility model relates to the technical field of power testing equipment, in particular to a tension constant type line wiring device.
Background
Currently, lines include two categories, wire and wire cable. Conventionally, electrical wires, as a carrier for conducting electrical energy; wire and cable for transmitting electric (magnetic) energy, information and wire products for realizing electromagnetic energy conversion.
Due to the increasing level of urban electrification, the circuit layout is increasingly complex. It is necessary to accurately measure various technical indexes of the line. Meanwhile, due to the rapid development of metal and polymer computational science, a large amount of detailed data is required for supporting, and a detection system which is long in period, complex in variable, accurate in data, small in error and controllable in fluctuation is required.
For example, a tension sensor of a strain clamp testing device and a method thereof, variable factors of a spring and a tension sensor of a patent No. CN 108918259A testing device have great influence on experimental data. The intelligent control constant force compensation device of patent No. CN 205375148U is affected by power fluctuation and motor load deviation in long-term experiments. The method can not meet the requirement of long-term accurate data statistics of experimental requirements.
Aiming at the mechanism and principle of line detection, the design designs the tension constant type line wiring device to supplement the original detection system.
SUMMERY OF THE UTILITY MODEL
Aiming at the prior art, the utility model provides a tension constant type line wiring device. The method is mainly used for counting the property change of the line under the action of constant tension caused by the change factors such as illumination, temperature, damage and aging under the action condition of long time, and providing necessary data support for the design of detection and maintenance standards and the development of metal and polymer computational science.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows;
a tension constant type line connection device comprises a sliding connection block connected with a line; the cylindrical sleeve is connected with the sliding connecting block; a hydraulic rod for generating a constant acting force to the sliding connection block connection plate; a metal hose connected to the hydraulic rod; and the hydraulic cylinder is connected with the hydraulic rod through the metal hose.
The sliding connection block connecting block comprises a sliding block A, a sliding block B and an insulating layer additionally arranged between the two sliding blocks.
And the conducting material in the circuit is connected to the sliding block A, and the insulating material is connected to the sliding block B.
The sliding block A and the sliding block B are cylindrical.
The cylindrical sleeve comprises a sleeve, a sleeve sliding rail which is used for connecting the sliding connecting block with the connecting plate, an insulating material on the inner side of the sleeve, a ceramic shell on the outer side of the sleeve and length scales on the shell.
The ceramic shell is provided with an expansion screw.
The utility model has the following beneficial effects:
a tension constant type line connection device adopts a hydraulic principle; simple structure, stable performance, low cost and convenient popularization. The slider A and the slider B are connected with each other to effectively classify objects to be detected, so that technical equipment can be conveniently connected and performance detection can be carried out. The insulating layer is additionally arranged, so that the interference caused by the close contact of the connecting plates of the sliding block A and the sliding block B can be effectively avoided.
The sliding connection block connecting plate is made of metastable metal material under 223-373K (Kelvin). According to the relativity principle, experimental data deviation caused by the sliding connection block connecting plate can be avoided through cross comparison calculation.
The sleeve sliding rail of the cylindrical sleeve interacts with the sliding connection block connecting plate to limit the freedom degree of the sliding connection block connecting plate and guarantee the movement trend of the sliding connection block connecting plate; the insulating material inside the sleeve avoids a breakdown effect under high voltage conditions. The outer side of the sleeve is designed to be provided with a ceramic shell and an inert material, so that the interference of the simulation environment change on the connecting device is reduced. The length scales on the shell can effectively supervise the air tightness of the hydraulic device and prevent leakage. The fixing bolt is arranged on the device shell, so that the device is convenient to install and use.
Drawings
FIG. 1: the utility model is a schematic diagram of a frame structure;
FIG. 2: the utility model is a structural schematic diagram of a cylindrical sleeve;
FIG. 3: the utility model discloses a decomposition optimization structure schematic diagram of a sliding connection block connecting block;
FIG. 4: the hydraulic cylinder is an optimized structural schematic diagram;
Detailed Description
For better understanding of the objects, technical solutions and advantages of the present invention, the following will clearly and completely describe the technical solutions of the present invention in connection with the embodiments, but the present invention is not limited to the following embodiments. In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the utility model, are within the scope of the utility model.
Example 1
As shown in fig. 1 to 4, the present embodiment provides a constant tension type line connection device, which includes a sliding connection block 1 connected to a line; a cylindrical sleeve 2 connected with the sliding connection block; a hydraulic rod 3 for generating a constant acting force to the sliding connection block connection plate; a metal hose connected to the hydraulic rod 3; and the hydraulic cylinder 4 is connected with a hydraulic rod through the metal hose.
The sliding connection block connecting block 1 comprises a sliding block A11, a sliding block B12 and an insulating layer additionally arranged between the two sliding blocks.
The conductive material in the circuit is connected to the slider A11, and the insulating material is connected to the slider B12.
The sliding block A11 and the sliding block B12 are cylindrical.
The cylindrical sleeve comprises a sleeve 2, a sleeve sliding rail 21 acting with the sliding connection block connecting plate, an insulating material 22 on the inner side of the sleeve, a ceramic shell 23 on the outer side of the sleeve, and length scales 24 on the shell.
The thermal expansion coefficient of the hydraulic rod 3 and the pressure fluid in the hydraulic cylinder is stable under 223-373K (Kelvin).
The ceramic shell 23 is provided with an expansion screw 5.
The connecting plates 1 of the sliding blocks A and B are metastable materials under 223-.
The connecting plates of the sliding block A and the sliding block B are made of metastable metal materials under 223-373K (Kelvin).
The circuit conducting wire material is connected with the sliding block A11 and the insulating material is connected with the sliding block B12.
And determining the length L0 of the line to be tested, and obtaining a calculation formula and total length variation under unit temperature according to the length variation L generated by the temperature variation. Wherein the volume interface in the hydraulic rod 3 varies in response to the volume of the pressure fluid. It is satisfied that the delta thermal expansion coefficient of the pressure fluid is selected to be V and the volume of the hydraulic cylinder is selected to be V0. The design scheme meets the design requirement of constant tension, and proper pressure liquid and hydraulic cylinders are selected according to the line material of the experiment for infusion and sealing.
The lines are connected to the slide connection block connecting plate in a classified manner according to the properties, and a variation is applied thereto. The detection equipment is connected with the connecting plates of the sliding block A and the sliding block B and is used for detecting the characteristics of the circuit fixed on the connecting plates.
Example 2
The embodiment is optimized on the basis of the embodiment 1;
the sliding connection connecting plate is divided into different areas according to relative positions, and the material between the areas is insulating material 22.
The hydraulic cylinder is provided with a pressure fluid inlet 41 and a pressure fluid outlet 42 which are two one-way valves.
The design of the sliding connection block connecting plate is optimized, and the complex structure type line is convenient to test. The characteristics of the lines can be tested separately according to different properties of the same category.
The volume of the pressure liquid in the hydraulic cylinder is adjusted, so that the tension can be further adjusted on the premise of not stopping the tension, and abundant experimental data can be obtained.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent substitutions made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
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 (6)
1. A tension constant type line wiring device is characterized in that: comprises a sliding connection block connecting block connected with a line; the cylindrical sleeve is connected with the sliding connecting block; a hydraulic rod for generating a constant acting force to the sliding connection block connection plate; a metal hose connected to the hydraulic rod; and the hydraulic cylinder is connected with the hydraulic rod through the metal hose.
2. The tension-constant type wire connection apparatus as claimed in claim 1, wherein: the sliding connection block connecting block comprises a sliding block A, a sliding block B and an insulating layer additionally arranged between the two sliding blocks.
3. The tension-constant type wire connection apparatus as claimed in claim 1, wherein: and the conducting material in the circuit is connected to the sliding block A, and the insulating material is connected to the sliding block B.
4. The tension-constant type wire connection apparatus as claimed in claim 2, wherein: the sliding block A and the sliding block B are cylindrical.
5. The tension-constant type wire connection apparatus as claimed in claim 1, wherein: the cylindrical sleeve comprises a sleeve, a sleeve sliding rail which is used for connecting the sliding connecting block with the connecting plate, an insulating material on the inner side of the sleeve, a ceramic shell on the outer side of the sleeve and length scales on the shell.
6. The tension-constant type wire connection apparatus according to claim 5, wherein: and the ceramic shell is provided with an expansion screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120658577.7U CN215931939U (en) | 2021-03-31 | 2021-03-31 | Constant-tension line wiring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120658577.7U CN215931939U (en) | 2021-03-31 | 2021-03-31 | Constant-tension line wiring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215931939U true CN215931939U (en) | 2022-03-01 |
Family
ID=80409331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120658577.7U Active CN215931939U (en) | 2021-03-31 | 2021-03-31 | Constant-tension line wiring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215931939U (en) |
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2021
- 2021-03-31 CN CN202120658577.7U patent/CN215931939U/en active Active
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