Transformer bushing oil replenishment device

Abstract

The present invention provides a transformer bushing oil replenishing device, comprising a folding support ladder, an oil storage tank, and an oil gun; the folding support ladder comprises a support section and a folding section, wherein the bottom end of the support section is used to support the ground and is provided with a flip roller, the flip roller has an evasive state of flipping upward to leave the ground, and a dragging state of flipping downward to roll the ground, the folding section has an extended climbing state of flipping upward to align with the support section axially, and a folding storage state of flipping downward to overlap with the support section; the oil storage tank is fixed to one side of the support section, and a high-pressure airbag connected to its inner cavity is provided on the outer wall of the oil storage tank, and the high-pressure airbag is used to pressurize the oil storage tank to discharge the oil; the oil gun is connected to the oil storage tank through a flexible oil pipe provided on the folding support ladder. The transformer bushing oil replenishing device provided by the present invention can reduce the difficulty of adding oil to the transformer bushing, improve the efficiency of adding oil to the bushing, and reduce the labor intensity.

Claims

1. Transformer bushing oil replenishing device, Characterized in that, Comprising: Folding support ladder, including a support section and a folding section. Wherein, the bottom end of the support section is used to support the ground and is provided with turning rollers. The turning rollers have an avoidance state of turning upward to disengage from the ground and a towing state of turning downward to roll on the ground. The folding section has an extended climbing state of turning upward to be axially aligned with the support section and a folded storage state of turning downward to coincide with the support section; Oil storage tank, fixed on one side of the support section. A high-pressure airbag communicating with its inner cavity is provided on the outer wall of the oil storage tank. The high-pressure airbag is used to pressurize the oil storage tank to discharge oil; Oil gun, connected to the oil storage tank through a flexible oil pipe provided on the folding support ladder; A cross shaft is provided at the connection position between the support section and the folding section. A winding drum is rotatably connected to the cross shaft. The winding drum is used to wind the flexible oil pipe; An oil delivery channel is provided between the cross shaft and the winding drum. The inlet of the oil delivery channel is located on the cross shaft, and the outlet of the oil delivery channel is located on the winding drum. The flexible oil pipe includes a direct connection section and a coiled section. Wherein, the direct connection section is used to connect the inlet of the oil delivery channel and the oil discharge port of the oil storage tank. The coiled section is spirally wound around the winding drum, with one end connected to the outlet of the oil delivery channel and the other end connected to the oil gun; A shaft hole adapted to be sleeved on the cross shaft is provided at the center of the winding drum. A ring groove is provided on the inner peripheral wall of the shaft hole. A first oil hole extending radially along the outer peripheral wall of the winding drum into the ring groove is provided. The cross shaft is a hollow shaft, and two second oil holes are spaced along its axial direction. One of the second oil holes is located inside the shaft hole and corresponds to the position of the ring groove. The other second oil hole is located outside the winding drum. The first oil hole, the ring groove, the second oil hole corresponding to the ring groove, the inner cavity of the cross shaft, and the second oil hole located outside the winding drum together form the oil delivery channel.

2. The transformer bushing oil replenishing device according to claim 1, Characterized in that, A fork arm is hinged at a position near the top end of the support section and extends towards the bottom end of the support section. The fork arm has an open support state of cooperating with the bottom end of the support section to support the ground and a closed storage state of folding with the support section.

3. The transformer bushing oil replenishing device according to claim 2, Characterized in that, The fork arm includes: Two support rods, respectively hinged on both sides of the support section; A connecting shaft, with both ends respectively rotatably passing through the bottom ends of the two support rods. Two turning rollers are fixedly spaced along the axial direction of the connecting shaft; Wherein, in the open support state, the two turning rollers rotate with the connecting shaft to the avoidance state. In the closed storage state, the connecting shaft is located below the support section, and the two turning rollers rotate with the connecting shaft to the towing state.

4. The transformer bushing oil replenishing device according to claim 3, Characterized in that, A transmission member is provided between the support rod and the connecting shaft. The transmission member is configured to drive the connecting shaft to rotate through the swinging of the support rod when the fork arm switches between the open support state and the closed storage state, so as to drive the turning roller to switch between the avoidance state and the towing state.

5. The transformer bushing oil replenishing device according to claim 4, characterized in that the transmission member includes: a first connecting rod fixed to the hinged end of the support rod; a first gear fixedly sleeved on one end of the connecting shaft; a second gear rotatably connected to the support rod and meshing with the first gear, the number of teeth of the second gear being greater than that of the first gear; a second connecting rod fixedly connected to the second gear and parallel and equal in length to the first connecting rod; a third connecting rod having one end hinged to the first connecting rod and the other end hinged to the second connecting rod, the third connecting rod being parallel to the support rod.

6. The transformer bushing oil replenishing device according to claim 1, characterized in that sealing rings are respectively sleeved on both sides of the annular groove on the transverse shaft.

7. The transformer bushing oil replenishing device according to any one of claims 1-6, characterized in that a flow regulating valve is provided between the high-pressure airbag and the oil storage tank.

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