Annular power supply system

Abstract

The utility model discloses an annular power supply system which comprises an electric box and an annular track frame, and a slip ring assembly is arranged in the electric box. An electric box provided with the slip ring assembly is arranged above the center of the annular track frame, the slip ring assembly is connected with a central main shaft pipe, the central main shaft pipe passes through the bottom of the electric box and extends out of the lower portion of the electric box, and a bearing seat with a bearing is fixedly arranged between the central main shaft pipe and the bottom of the electric box; the central main shaft tube is rotatably connected with the bottom of the electric box through a bearing seat; the bottom of the center main shaft pipe is laterally and vertically connected with a traction supporting rod, electric hoists needing power supply are distributed on the annular rail frame, and the other end of the traction supporting rod is connected to one electric hoist distributed on the annular rail frame. By arranging the slip ring assembly on the annular track frame, one-to-one or one-to-many power supply can be carried out on the electric hoists distributed on the annular track frame, the power supply efficiency is greatly improved, the circuit is simple, and the installation is convenient.

Description

Technical Field

[0001] The utility model belongs to the technical field of power supply equipment, and in particular relates to a ring power supply system. Background Art

[0002] The electric hoist runs on the hoisting track frame of the lifting equipment. The power supply method of the electric hoist in the prior art is that an external power supply directly supplies power to one electric hoist on the hoisting track frame. This power supply method can only meet the power supply of one electric hoist, and the power supply efficiency is low. On the other hand, if there are multiple other electric hoists on the hoisting track frame, and they also need to be powered, it will lead to complicated and troublesome power supply line layout. Utility Model Content

[0003] The utility model aims at the above-mentioned problems, makes up for the deficiencies of the prior art, and provides a slip ring-based annular power supply system.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A ring-shaped power supply system comprises an electric box and an annular track frame, wherein a slip ring assembly is arranged in the electric box; the electric box equipped with the slip ring assembly is arranged above the center of the annular track frame, the slip ring assembly is connected to a central spindle tube, the central spindle tube extends below the electric box through the bottom of the electric box, a bearing seat with a self-contained bearing is fixedly arranged between the central spindle tube and the bottom of the electric box, and the central spindle tube and the bottom of the electric box are rotatably connected via the bearing seat; a traction support rod is vertically connected to the bottom of the central spindle tube, electric hoists that need to be powered are distributed on the annular track frame, and the other end of the traction support rod is connected to an electric hoist distributed on the annular track frame.

[0006] Furthermore, the electric box is provided with a wire inlet, and an external power line passes through the wire inlet of the electric box and enters the interior of the electric box to be connected to the slip ring assembly. A plurality of conductive wires are connected from the slip ring assembly and led out through the bottom pipe opening of the central spindle tube and are respectively connected to corresponding electric hoists that need power supply and are distributed on the annular track frame.

[0007] Furthermore, the slip ring assembly adopts a three-phase four-wire slip ring assembly, and four electric hoists are arranged on the corresponding annular track frame.

[0008] Furthermore, a connecting ring is welded on the other end of the traction support rod, a steel chain is connected to the connecting ring, and the other end of the steel chain is connected to an electric hoist on the annular track frame.

[0009] Furthermore, a carrying beam is connected to the center of the top of the annular track frame, and an electric box is fixedly installed on the carrying beam, and the electric box is a thickened cast aluminum electric box.

[0010] Furthermore, the annular power supply system also includes a supporting frame, and the annular track frame is fixedly installed below the top of the supporting frame.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The utility model provides a ring power supply system, which can realize one-to-one or one-to-many power supply to electric hoists distributed on the ring track frame by arranging the slip ring assembly on the ring track frame, thereby greatly improving the power supply efficiency, and the circuit is simple and easy to install. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The utility model is a schematic diagram of a ring-shaped power supply system in a top view.

[0014] Figure 2 It is a front view structural schematic diagram of a ring power supply system of the utility model.

[0015] Figure 3 It is a three-dimensional structural schematic diagram of the connection between an electric box and a central spindle tube of a ring-shaped power supply system of the utility model.

[0016] Markings in the figure: 1 is the electric box, 2 is the ring track frame, 3 is the central spindle tube, 4 is the bearing seat, 5 is the traction support rod, 6 is the electric hoist, 7 is the connecting ring, 8 is the steel chain, 9 is the carrying beam, 10 is the supporting frame, and 11 is the wire inlet. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] Combination Figures 1 to 3As shown, an embodiment of the utility model provides a ring-shaped power supply system, a ring-shaped power supply system, comprising an electric box 1 and an annular track frame 2, wherein a slip ring assembly is arranged in the electric box 1; the electric box 1 equipped with the slip ring assembly is arranged above the center of the annular track frame 2, the slip ring assembly is connected with a central spindle tube 3, the central spindle tube 3 extends from the bottom of the electric box 1 through the bottom of the electric box 1, a bearing seat 4 with a bearing is fixedly arranged between the central spindle tube 3 and the bottom of the electric box 1, the central spindle tube 3 and the bottom of the electric box 1 are rotatably connected through the bearing seat 4, and the central spindle tube 3 can drive the slip ring assembly to move smoothly in a circular motion and reduce the external force impact on the slip ring assembly through the bearing seat 4; a traction support rod 5 is vertically connected to the bottom of the central spindle tube 3, an electric hoist 6 that needs to be powered is distributed on the annular track frame 2, and the other end of the traction support rod 5 is connected to an electric hoist 6 distributed on the annular track frame 2.

[0019] The electric box 1 is provided with an inlet 11, and the external power line passes through the inlet 11 of the electric box 1 and enters the electric box 1 to connect with the slip ring assembly. A plurality of conductive wires are connected from the slip ring assembly and led out through the bottom pipe opening of the central spindle tube 3, and are respectively connected to the corresponding electric hoists 6 distributed on the annular track frame 2 and needing power supply; specifically, as a preferred embodiment of the utility model, the slip ring assembly adopts a three-phase four-wire slip ring assembly, and four electric hoists 6 are provided on the corresponding annular track frame 2 to meet the power supply needs of the four electric hoists 6. In addition, if the number of electric hoists 6 is to be increased according to the use requirements, the addition of power supply cables can meet the use of the electric hoists 6.

[0020] The other end of the traction support rod 5 is welded with a connecting ring 7, and a steel chain 8 is connected to the connecting ring 7. The other end of the steel chain 8 is connected to an electric hoist 6 on the annular track frame 2; the electric hoist 6 makes a circular motion around the central spindle tube 3 on the annular track frame 2, and the steel chain 8 drives the traction support rod 5 to rotate, thereby driving the central spindle tube 3 to rotate, and then driving the slip ring assembly in the electric box 1 to rotate.

[0021] Specifically, the conductive wires led out from the bottom pipe opening of the central main shaft tube 3 are gathered and placed on one side of the traction support rod 5, so as to prevent the conductive wires from being tangled during the rotation process.

[0022] A carrying beam 9 is connected to the top center of the annular track frame 2, and an electric box 1 is fixedly mounted on the carrying beam 9. The electric box 1 is a thickened cast aluminum electric box.

[0023] The annular power supply system of the utility model further comprises a supporting frame 10 , and the annular track frame 2 is fixedly installed below the top of the supporting frame 10 .

[0024] It should be noted that the electric hoist 6 that needs power supply in the utility model can also be replaced with other mobile electrical equipment to meet the working conditions; that is, the power supply system of the utility model is not limited to powering the electric hoist 6, as long as it is a movable equipment on the ring track frame, it can be powered by this system.

[0025] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A ring power supply system, characterized in that: It includes an electric box and an annular track frame, wherein a slip ring assembly is arranged in the electric box; the electric box with the slip ring assembly installed is arranged above the center of the annular track frame, the slip ring assembly is connected to a central spindle tube, the central spindle tube passes through the bottom of the electric box and extends below the electric box, a bearing seat with its own bearing is fixedly arranged between the central spindle tube and the bottom of the electric box, and the central spindle tube and the bottom of the electric box are rotatably connected via the bearing seat; a traction support rod is vertically connected to the bottom of the central spindle tube, electric hoists that need to be powered are distributed on the annular track frame, and the other end of the traction support rod is connected to an electric hoist distributed on the annular track frame.

2. A ring power supply system according to claim 1, characterized in that: The electric box is provided with an inlet, and an external power line passes through the inlet of the electric box into the electric box and is connected to the slip ring assembly. A plurality of conductive wires are connected from the slip ring assembly and led out through the bottom pipe opening of the central spindle tube and are respectively connected to corresponding electric hoists that need power supply and are distributed on the annular track frame.

3. A ring power supply system according to claim 1, characterized in that: The slip ring assembly adopts a three-phase four-wire slip ring assembly, and four electric hoists are arranged on the corresponding annular track frame.

4. A ring power supply system according to claim 1, characterized in that: The other end of the traction support rod is welded with a connecting ring, the connecting ring is connected with a steel chain, and the other end of the steel chain is connected to an electric hoist on the annular track frame.

5. A ring power supply system according to claim 1, characterized in that: A carrying crossbeam is connected at the center of the top of the annular track frame, and an electric box is fixedly installed on the carrying crossbeam. The electric box adopts a thickened cast aluminum electric box.

6. A ring power supply system according to claim 1, characterized in that: The annular power supply system also includes a supporting frame, and the annular track frame is fixedly installed below the top of the supporting frame.

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