CN-117361225-B - Constant tension wire supply device for transformer winding under thermal path model

CN117361225BCN 117361225 BCN117361225 BCN 117361225BCN-117361225-B

Abstract

The invention discloses a constant tension wire supply device for a transformer winding under a thermal path model, which comprises a main shell, wherein the inner surface of the main shell is rotationally connected with a wire collecting roller, the outer surface of the wire collecting roller is provided with a metal wire, the outer part of the metal wire is provided with a wire drawing device, the right side of the wire drawing device is provided with a wire pressing device, the invention relates to the technical field of constant tension wire supply, the wire pressing device starts a motor connected with a rotating shaft of the wire collecting roller, the motor drives the wire collecting roller to rotate in the main shell, then the wire winding roller pulls the metal wire, the metal wire passes through the inner surfaces of the guide roller and the constant force roller, when the wire winding roller is required to be completed or the metal wire resource at the wire clamping device is used up, the motor connected with the rotating shaft of the wire winding roller is closed to prepare for the subsequent work, at this time, the rotating sensor triggers a signal, a command for starting the air cylinder is sent to the background terminal, and then the output end of the air cylinder drives the pressing plate to move downwards until the metal wire is pressed on the inner wall of the guide roller.

Inventors

WANG FEIXIANG
Li Jiaoyong
XU WEI
TANG YUANHONG
Ruan Shunian
LU XIAOMIN
WU SIQING

Assignees

芜湖市卓亚电气有限公司

Dates

Publication Date: 20260512
Application Date: 20231024

Claims (7)

1. The utility model provides a transformer winding constant tension wire supply device under thermal circuit model, includes main shell (1), wherein the internal surface rotation of main shell (1) is connected with receipts line roller (2), the surface of receipts line roller (2) is provided with metal wire (3), the outside of metal wire (3) is provided with draw-out gear (4), the right side of draw-out gear (4) is provided with crimping device (5), the outside of crimping device (5) is provided with displacement device (8), the bottom of displacement device (8) is provided with constant force device (6), the outside of constant force device (6) is provided with wire clamping device (7), draw-out gear (4) are including pull line shell (401), the inside of pull line shell (401) is provided with pull ring (402), the surface of pull ring (402) is connected with the internal surface sliding of pull line shell (401), the internal surface of pull ring (402) is connected with the surface sliding of metal wire (3), top fixedly connected with wire haulage (403); The outer surface of the traction wire (403) is rotationally connected with a first steering wheel (404), the outer surface of the first steering wheel (404) is fixedly connected with the outer surface of the traction wire shell (401), a top plate (10) is arranged at the top of the traction wire shell (401), the outer surface of the top plate (10) is fixedly connected with the outer surface of the main shell (1), a sliding block (405) is fixedly connected with the top end of the traction wire shell (401), the lower surface of the sliding block (405) is in sliding connection with the upper surface of the top plate (10), and a first connecting plate (406) is fixedly connected with the outer surface of the sliding block (405); The wire pressing device (5) comprises a second connecting plate (501), an air cylinder (502) is fixedly connected to the bottom of the second connecting plate (501), a second directional wheel (504) is fixedly connected to the outer surface of the output end of the air cylinder (502), a pressing plate (503) is fixedly connected to the lower surface of the output end of the air cylinder (502), a guide roller (12) is arranged at the bottom of the pressing plate (503), the inner surface of the guide roller (12) is in sliding connection with the outer surface of a metal wire (3), and the lower surface of the air cylinder (502) is in sliding connection with the upper surface of a top plate (10); When the pressing plate (503) completes the fixed extrusion of the metal wire (3), the traction wire (403) and the second directional wheel (504) on the outer surface of the output end of the air cylinder (502) are driven, so that the downward motion force is converted into the downward inclined pulling force formed by the traction wire (403) on the first directional wheel (404), the traction wire (403) pulls the pull ring (402), the pull ring (402) slides upwards in the pull wire shell (401), and meanwhile, the pull ring (402) clamps the internal metal wire (3).
2. The constant tension wire supply device for the transformer winding under the thermal path model according to claim 1, wherein the displacement device (8) comprises a third connecting plate (801), a guide rod (802) is fixedly connected to the inner surface of the third connecting plate (801), one end of the guide rod (802) is rotatably connected with a bearing (805), the other end of the guide rod (802) is slidably connected with the inner surface of the main shell (1), and the outer surface of the bearing (805) is rotatably connected with the inner surface of the guide roller (12).
3. The constant tension wire supply device for the transformer winding under the thermal path model according to claim 2, wherein the inner surface of the guide roller (12) is rotationally and slidably connected with a fixed shaft (804), two ends of the fixed shaft (804) are fixedly connected with the inner surface of the main housing (1), a second spring (803) is arranged on the outer surface of the fixed shaft (804), one end of the second spring (803) is fixedly connected with the outer surface of the guide roller (12), and the other end of the second spring (803) is fixedly connected with the outer surface of the main housing (1).
4. The constant tension wire supply device for the transformer winding under the thermal path model according to claim 1, wherein the constant force device (6) comprises a constant force roller (13), the inner surface of the constant force roller (13) is rotationally connected with a moving shaft (17), the outer surface of the moving shaft (17) is in sliding connection with the inner surface of a main shell (1), two ends of the moving shaft (17) are fixedly connected with first springs (15), the outer surface of the moving shaft (17) is fixedly connected with a fixing frame (14), the outer surface of the fixing frame (14) is in sliding connection with the inner surface of the main shell (1), the inner surface of the main shell (1) is fixedly connected with a rotating sensor (16), and the inner surface of the constant force roller (13) is in sliding connection with the outer surface of a metal wire (3).
5. The constant tension wire supply device for the transformer winding under the thermal circuit model according to claim 1, wherein the wire clamping device (7) comprises a clamping plate (701), the inner surface of the clamping plate (701) is slidably connected with a fixing block (702), two ends of the fixing block (702) are fixedly connected with the outer surface of the main shell (1), a bidirectional screw rod (703) is in threaded connection with the inner surface of the clamping plate (701), and the outer surface of the clamping plate (701) is slidably connected with the outer surface of the main shell (1).
6. The constant tension wire supply device for the transformer winding under the thermal path model according to claim 1, wherein two sliding grooves (11) are formed in the top plate (10), and the outer surface of the wire pulling shell (401) is in sliding connection with the inner surface of the top plate (10).
7. The constant tension wire supply device for the transformer winding under the thermal path model according to claim 2, wherein the outer surface of the third connecting plate (801) is in sliding connection with the inner surface of the top plate (10), and the bearing (805) is circular in shape.

Description

Constant tension wire supply device for transformer winding under thermal path model Technical Field The invention relates to the technical field of constant tension wire supply, in particular to a constant tension wire supply device for a transformer winding under a thermal circuit model. Background Constant tension paying-off is a new railway electrification construction technology introduced from Germany in the last to the beginning of the century in China, and the principle is that a certain amount of tension is always maintained in the paying-off process of the overhead contact line when paying-off operation of the overhead contact line is carried out. The contact net engineering improved by the process can meet the speed requirement of the high-speed railway. At present, all electrified railways of construction in China adopt the advanced construction process. The drawing shows paying-off operation of the constant tension paying-off vehicle. In the prior art, as shown in the Chinese patent No. CN109160433A, a constant tension wire supply device for a transformer winding under a hot path model is provided, wherein a constant tension winch comprises a motor which is horizontally arranged, a stranded wire wheel which is connected with the motor in a transmission way, a speed reducer and a magnetic powder brake which are arranged between the motor and the stranded wire wheel in a transmission way, a clutch is arranged between the magnetic powder brake and the motor, a cable arranging mechanism which is horizontally arranged at intervals with the stranded wire wheel along the axial direction of a vertical stranded wire wheel is also provided, the cable arranging mechanism can move along the axial direction of the stranded wire wheel and the movement range covers the two ends of the stranded wire wheel, and a cable guiding component for a cable to horizontally pass through is arranged at the upper part of the cable arranging mechanism. When the device is used, the two constant tension winches are oppositely arranged to form a cable winding and unwinding device, the tension control is realized by loading the motor and the magnetic powder brake, the tensioning is realized on the part between the two constant tension winches, and meanwhile, the installation of a cable sleeve between the part of cables is convenient. However, in the prior art, the coil may need to be replaced when in use, at this time, the equipment is required to stop working, the situation that the metal wire is retracted in a backward way due to the relative action of the constant tension force may occur, the wire winding head is easy to lose and the wire winding head cannot be fixed, the problem that the winding is repeatedly moved along with the winding during working cannot be solved during working, and the problem of wire dropping may occur. Disclosure of Invention Aiming at the defects of the prior art, the technical scheme adopted by the invention is that the constant-tension wire supply device for the transformer winding under the thermal circuit model comprises a main shell, wherein the inner surface of the main shell is rotationally connected with a wire collecting roller, the outer surface of the wire collecting roller is provided with a metal wire, the outer part of the metal wire is provided with a wire drawing device, the right side of the wire drawing device is provided with a wire pressing device, the outer part of the wire pressing device is provided with a displacement device, the bottom of the displacement device is provided with a constant force device, the outer part of the constant force device is provided with a wire clamping device, the wire drawing device comprises a wire drawing shell, the inner surface of the wire drawing shell is provided with a pull ring, the outer surface of the pull ring is in sliding connection with the inner surface of the metal wire, and the top of the pull ring is fixedly connected with a pull wire. Preferably, the surface rotation of pull wire is connected with first orientation wheel, the surface fixed connection of first orientation wheel and the surface fixed connection of pull wire shell, the top of pull wire shell is provided with the roof, the surface of roof and the surface fixed connection of main shell, the top fixedly connected with slider of pull wire shell, the lower surface of slider and the upper surface sliding connection of roof, the surface fixed connection of slider has first connecting plate, the unable nimble problem of following winding work and moving in traditional equipment work of above function has been solved. Preferably, the wire pressing device comprises a second connecting plate, the bottom of the second connecting plate is fixedly connected with a cylinder, the outer surface of the output end of the cylinder is fixedly connected with a second directional wheel, the lower surface of the output end of the cylinder is fixedly connected with a pressing plate, the