CN-121989135-A - Power cable polishing equipment

CN121989135ACN 121989135 ACN121989135 ACN 121989135ACN-121989135-A

Abstract

The power cable polishing equipment comprises a polishing mechanism, a driving mechanism and a sensing control module, wherein the polishing mechanism comprises a hinged tensioning structure and a polishing belt sleeved on the hinged tensioning structure, the driving mechanism is connected to one end of the other side of the hinged tensioning structure and drives the polishing belt on the hinged tensioning structure to rotate, the sensing control module is arranged on one side, close to the polishing belt, of the driving mechanism, the sensing control module is used for measuring the surface temperature of the polishing belt and controlling the rotating speed of the driving mechanism according to the measured surface temperature so as to control the polishing frequency of the polishing belt, the sensing control module is used for measuring the temperature of the polishing mechanism or the power cable and controlling the rotating frequency of the driving mechanism so as to adjust the polishing frequency of the polishing mechanism, polishing of the power cable is optimized, and the power cable polishing equipment can be controlled based on the temperature so as to avoid damage to insulating materials caused by overheating.

Inventors

LUO YI
Tobias Fichner
ZHOU MINGYU
WANG HAITIAN
LI WENPENG
SHENTU LEIXUAN

Assignees

全球能源互联网欧洲研究院
国网智能电网研究院有限公司
国家电网有限公司
国网浙江省电力有限公司电力科学研究院

Dates

Publication Date: 20260508
Application Date: 20241101

Claims (10)

1. The power cable polishing equipment is characterized by comprising a polishing mechanism, a driving mechanism and a sensing control module; the polishing mechanism comprises a hinged tensioning structure and a polishing belt sleeved on one side of the hinged tensioning structure; The driving mechanism is connected to one end of the other side of the hinged tensioning structure and drives the polishing belt on the hinged tensioning structure to rotate; The sensing control module is arranged on one side, close to the polishing belt, of the driving mechanism; The sensing control module is used for measuring the surface temperature of the polishing belt and controlling the rotating speed of the driving mechanism according to the measured surface temperature so as to control the polishing frequency of the polishing belt.
2. The power cable polishing device according to claim 1, wherein the polishing mechanism further comprises a driving wheel (2) and a driven wheel (3), wherein the driving wheel (2) is arranged at one end of the hinged tensioning structure and is positioned at one side of the hinged tensioning structure, and the driving wheel (2) is connected with the driving mechanism; The driven wheel (3) is positioned on the same side of the hinged tensioning structure as the driving wheel (2) and is arranged at the other end of the hinged tensioning structure, and the axis of the driven wheel (3) is parallel to the axis of the driving wheel; the polishing belt is sleeved on the outer sides of the driving wheel (2) and the driven wheel (3).
3. A power cable sharpening apparatus as claimed in claim 2, wherein said driven wheel (3) is a metallic driven wheel.
4. A power cable sharpening apparatus as claimed in claim 1, wherein said sharpening belt is a sandpaper sharpening belt (1).
5. A power cable sharpening apparatus as defined in claim 1, wherein said drive mechanism comprises a drive motor (9) and a housing wrapped outside said drive motor (9); The driving motor (9) and the shell are connected to one end of the hinged tensioning structure, the sensing control module is fixed on one side of the shell, close to the polishing belt, and the sensing control module is in communication connection with the driving motor (9); One end of the driving motor (9) is connected with the other end of the polishing belt, and a heat dissipation hole (10) is formed in the other end of the polishing belt.
6. A power cable sharpening apparatus as defined in claim 1, wherein said sensing control module is a non-contact infrared temperature sensor (5).
7. A power cable sharpening apparatus according to claim 1, wherein a handle assembly is connected to each of the hinged tensioning structure and the drive mechanism on a side thereof remote from the sharpening belt.
8. A power cable sharpening apparatus as defined in claim 7, wherein the handle assembly comprises a left hand handle (7) and a right hand handle (8); The right-hand handle (8) is fixedly connected with the driving mechanism, and a cable (6) connected with the driving mechanism is wrapped in the right-hand handle (8); The left hand handle (7) is connected with one end of the hinged tensioning structure, which is far away from the driving motor (9).
9. A power cable sharpening apparatus as recited in claim 1, wherein said drive mechanism is provided with a dust suction hose (4), said dust suction hose (4) being located below said sharpening belt.
10. A method of operating a power cable sanding apparatus as defined in claims 1-9, the method comprising: The sensing control module measures the surface temperature of the polishing belt; the sensing control module controls the rotating speed of the driving mechanism according to the measured surface temperature, so that the polishing frequency of the polishing belt is changed, and insulation damage caused by high-speed polishing is avoided.

Description

Power cable polishing equipment Technical Field The invention relates to the field of power cable polishing equipment, in particular to power cable polishing equipment. Background Before the installation of the power cable terminal and the intermediate connector, it is necessary to peel off the insulating shield layer at the end of the cable for installing the power cable terminal or the intermediate connector, and polish the exposed surface of the insulating layer. Finally, a smooth fracture of the semi-conductive insulating shielding layer is obtained, and no semi-conductive insulating shielding layer spike, no protruding particles and no abrupt slope transition are caused at the port position of the cable insulating shielding layer, so that no air gap exists at the position of the cable accessory stress cone after installation, and no discharge or even breakdown is induced. In the existing cable polishing process, because the rotating speed of a used polishing machine is high, high-speed rotating sand paper rubs against the surface of a cable insulation layer to generate heat, if the temperature is too high, the cable insulation layer is damaged, and insulation degradation and whitening phenomena are generated. This is especially evident in the installation of polypropylene cables, where installers often need to reduce the rotational speed of the sander, increase the heat dissipation time, or simply finish it by purely manual sanding, which greatly reduces the installation efficiency of the cable accessory. Disclosure of Invention In order to solve the problem that the conventional power cable polishing tool cannot automatically control the rotating speed of a polishing machine based on temperature, the invention provides power cable polishing equipment, which comprises a polishing mechanism, a driving mechanism and a sensing control module, wherein the polishing mechanism is used for controlling the rotating speed of the polishing machine based on temperature; The polishing mechanism comprises a hinged tensioning structure and a polishing belt sleeved on the hinged tensioning structure; the driving mechanism is connected to one end of the hinged tensioning structure and drives the polishing belt on the hinged tensioning structure to rotate; The sensing control module is arranged on one side of the driving mechanism, which is close to the polishing belt; The sensing control module is used for measuring the surface temperature of the polishing belt and controlling the rotating speed of the driving mechanism according to the measured surface temperature so as to control the polishing frequency of the polishing belt. Preferably, the polishing mechanism comprises a driving wheel and a driven wheel; The driving wheel is arranged at one end of the hinged tensioning structure and is positioned at one side of the hinged tensioning structure away from the driving mechanism, and the driving wheel is connected with the driving mechanism; The driven wheel and the driving wheel are positioned on the same side of the hinged tensioning structure and are arranged at the other end of the hinged tensioning structure, and the axis of the driven wheel is parallel to the axis of the driving wheel; The polishing belt is sleeved on the outer sides of the driving wheel and the driven wheel. Preferably, the driven wheel is a metal driven wheel. Preferably, the sanding belt is a sandpaper sanding belt. Preferably, the driving mechanism comprises a driving motor and a shell wrapped outside the driving motor; the driving motor and the shell are connected to one end of the hinged tensioning structure, the sensing control module is fixed on one side of the shell, close to the polishing belt, and the sensing control module is in communication connection with the driving motor; One end of the driving motor is connected with the polishing belt, and the other end of the driving motor is provided with a heat dissipation hole. Preferably, the sensing control module is a non-contact infrared temperature sensor. Preferably, the hinged tensioning structure and one side of the driving mechanism away from the polishing belt are respectively connected with a handle assembly. Preferably, the handle assembly comprises a left hand handle and a right hand handle; the right-hand handle is fixedly connected with the driving mechanism, and a cable connected with the driving mechanism is wrapped in the right-hand handle; the left hand handle is connected with one end of the hinged tensioning structure, which is far away from the driving motor. Preferably, the driving mechanism is provided with a dust collection hose, and the dust collection hose is positioned below the polishing belt. Based on the same inventive concept, the invention also provides a working method of the power cable polishing device, which comprises the following steps of: The sensing control module measures the surface temperature of the polishing belt; the sensing control module cont