CN-224232420-U - Insulator silica gel umbrella skirt forming device with self-leveling structure

CN224232420UCN 224232420 UCN224232420 UCN 224232420UCN-224232420-U

Abstract

The utility model discloses an insulator silica gel umbrella skirt forming device with a self-leveling structure, which comprises a structural base, a silica gel injection machine, a winding pipe fixing device and a self-leveling mechanism, wherein the silica gel injection machine is a segmented injection machine, the winding pipe fixing device comprises a guide frame, a sliding frame and the self-leveling mechanism, a linear guide rail is arranged on the guide frame, the silica gel injection machine is fixedly arranged at the middle section of the guide frame, the sliding frame is provided with a winding pipe fixing part, the self-leveling mechanism comprises two groups of sensor components, a lifting device and a control unit, the sensor components are respectively arranged on the winding pipe fixing part and the silica gel injection machine, the lifting device is respectively arranged at the front side and the rear side of the silica gel injection machine, and is used for adjusting an included angle between an axis of the sliding frame and a shaft line of the silica gel injection machine according to a detection result of the sensor components. The utility model has the advantages of simple structure, convenient operation, high molding quality, safety and reliability, is suitable for the production of composite insulators, and ensures the safety and stability of a power system.

Inventors

HE QINGWEN
XIAO JINYUN
WU YAO
MING ANHUI

Assignees

醴陵华鑫金石电器有限公司

Dates

Publication Date: 20260512
Application Date: 20250430

Claims (10)

1. The insulator silica gel umbrella skirt forming device with the self-leveling structure is characterized by comprising a structural base, a silica gel injection machine, a winding pipe fixing device and a self-leveling mechanism; the silica gel injection machine is a sectional injection machine; The winding pipe fixing device comprises a guide frame, a sliding frame and a self-leveling mechanism, wherein the guide frame is fixed on a structural base, a linear guide rail is arranged on the guide frame, the silica gel injection machine is fixedly arranged at the middle section of the guide frame through the structural base, the sliding frame is connected to the linear guide rail in a sliding manner, and a winding pipe fixing part is arranged on the sliding frame; The self-leveling mechanism comprises a sensor assembly, a lifting device and a control unit, wherein the sensor assembly comprises a first sensor arranged on a fixing part of a winding pipe and a second sensor arranged on a silica gel injection machine, the first sensor and the second sensor are combinations of a position sensor and a coaxiality sensor, the lifting device is two groups and is respectively arranged on the front side and the rear side of a guide frame corresponding to the silica gel injection machine and used for adjusting an included angle between an axis of a sliding frame and a shaft line of the silica gel injection machine according to a detection result of the sensor assembly.
2. The insulator silica gel umbrella skirt forming device with the self-leveling structure according to claim 1, wherein the silica gel injection machine comprises an upper half die body and a lower half die body, a glue injection port is arranged on the half die body, a glue injection die cavity is arranged on the inner side of the half die body, the two half die bodies can relatively move to clamp and fix a winding pipe to be processed, and silica gel is injected into the surface of the winding pipe through the glue injection port to form the silica gel umbrella skirt.
3. The insulator silicone umbrella skirt forming device with the self-leveling structure according to claim 2, wherein the upper half mould body and the lower half mould body are driven by independent air cylinders or motors respectively to realize relative movement.
4. The insulator silica gel umbrella skirt forming device with the self-leveling structure according to claim 2, wherein an auxiliary cooling system is further arranged on the silica gel injection machine, the auxiliary cooling system comprises a cooling pipeline and a cooling liquid circulating device, the cooling pipeline is wound on the outer sides of two half mould bodies of the silica gel injection machine, and cooling liquid is circularly supplied into the cooling pipeline through the cooling liquid circulating device.
5. The insulator silica gel umbrella skirt forming device with the self-leveling structure according to claim 1, wherein a waste collection device is further arranged on the structural base and is positioned below the silica gel injection machine.
6. The insulator silicone umbrella skirt forming device with the self-leveling structure according to claim 1, wherein the winding tube fixing part is a bracket or a chuck.
7. The insulator silicone umbrella skirt forming device with the self-leveling structure according to claim 1, wherein the sensor assembly further comprises a third sensor arranged on the carriage for detecting a feeding state of the carriage on the guide frame.
8. The insulator silica gel umbrella skirt forming device with the self-leveling structure according to claim 1, wherein an audible and visual alarm device is preset in the control unit, when a sensor signal received by the control unit exceeds a set threshold value, the control unit controls equipment to suddenly stop, and the audible and visual alarm device gives an alarm.
9. The device for forming the insulator silica gel umbrella skirt with the self-leveling structure according to claim 1, wherein one of the two groups of lifting devices is a single lifting device unit which is propped against the central axis of one side of the sliding frame through a hinged support, and the other group of the two groups of lifting device units is two lifting device units which are propped against the two sides of the central axis of the other side of the sliding frame through the hinged support.
10. The insulator silica gel umbrella skirt forming device with the self-leveling structure according to claim 9, wherein the lifting device unit is a hydraulic lifting device or an electric control lifting device, and a position feedback sensor is further arranged on the lifting device unit and used for monitoring the moving position and the height of the lifting device unit in real time.

Description

Insulator silica gel umbrella skirt forming device with self-leveling structure Technical Field The utility model relates to a composite insulator technology in the electrical technical field, in particular to an insulator silica gel umbrella skirt forming device with a self-leveling structure. Background In an electric power system, an insulator is an indispensable part of a high-voltage transmission line as a special insulating component. They mainly support wires in overhead transmission lines, serving to increase creepage distance and prevent current from flowing back to ground. In addition, the insulator also has to bear the potential difference between the wire and the pole tower, so as to ensure the safe and stable operation of the power transmission line. Therefore, the performance of the insulator is directly related to the safety and stability of the transmission line. The composite insulator is used as one of insulators, and a typical structure generally comprises a winding pipe and a silica gel umbrella skirt formed on the surface of the winding pipe, wherein the silica gel umbrella skirt not only has an insulating function, but also has functions of pollution flashover prevention, ultraviolet resistance and the like. In order to meet the requirements of a power system on the performance of an insulator, the molding quality of the silica gel umbrella skirt is important. For some large-size composite insulators with equal diameters, the molding method of the silica gel umbrella skirt is mainly a sectional molding method, namely sectional glue injection and solidification molding are carried out on the winding pipe. This method generally requires fixing the winding tube to the guide frame and shaping the different shed sections by moving the winding tube. However, due to the large size and heavy weight of the wound tube, its stability during forming and moving becomes a technical challenge. In the glue injection molding process, small deviation on the axis easily occurs in the moving process of the winding pipe on the guide frame, and the deviation can cause molding defects at the positions between the ends of the silicone umbrella skirt, such as uneven end surfaces of the umbrella skirt, infirm adhesion between the umbrella skirt and the winding pipe and the like, thereby influencing the overall performance and the service life of the composite insulator. Therefore, the existing silica gel umbrella skirt glue injection molding equipment needs to be improved, the axial deviation of a winding pipe in the molding and moving process can be effectively reduced or eliminated while the production efficiency is ensured, the molding quality of the silica gel umbrella skirt is improved, and the performance and the reliability of the composite insulator are ensured. Disclosure of utility model The utility model solves the technical problem of providing the insulator silica gel umbrella skirt forming device with the self-leveling structure, which can effectively control the position stability of a winding pipe in the forming and moving processes, reduce or eliminate forming defects, improve the forming quality of the silica gel umbrella skirt, and further improve the overall performance and the service life of a composite insulator so as to solve the defects in the technical background. The technical problems solved by the utility model are realized by adopting the following technical scheme: an insulator silica gel umbrella skirt forming device with a self-leveling structure comprises a structural base, a silica gel injection machine, a winding pipe fixing device and a self-leveling mechanism; The silica gel injecting machine is a sectional injecting machine for carrying out sectional injecting operation on the winding pipe to be processed, The winding pipe fixing device comprises a guide frame, a sliding frame and a self-leveling mechanism, wherein the guide frame is fixed on a structural base, a linear guide rail is arranged on the guide frame, the silica gel injection machine is fixedly arranged at the middle section of the guide frame through the structural base, the sliding frame is connected to the linear guide rail in a sliding manner, and a winding pipe fixing part is arranged on the sliding frame; The self-leveling mechanism comprises a sensor assembly, a lifting device and a control unit, wherein the sensor assembly comprises a first sensor arranged on a fixing part of a winding pipe and a second sensor arranged on a silica gel injection machine, the first sensor and the second sensor are combinations of a position sensor and a coaxiality sensor, the lifting device is two groups and is respectively arranged on the front side and the rear side of a guide frame corresponding to the silica gel injection machine and used for adjusting an included angle between an axis of a sliding frame and a shaft line of the silica gel injection machine according to a detection result of the sensor assembly. As a fu