Distribution network automation ring main unit
By pre-assembling the ring main unit in the factory and using structures such as rails, rollers, winches, and traction ropes, the ring main unit body can be quickly pulled into the ring main box and fixed, which solves the problem of cumbersome installation of existing ring main units and improves installation efficiency and convenience.
Patent Information
- Application Number
- CN202423249845.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2034-12-27
AI Technical Summary
The existing ring main unit installation process is cumbersome and not convenient for quick on-site installation, which increases the difficulty of construction.
Design a distribution network automation ring main unit. First, the ring main unit and its internal components are pre-assembled in the factory. Then, using structures such as rails, rollers, winches and traction ropes, the ring main unit is pulled into the ring box by a traction mechanism and fixed with connecting plates, screws and U-clamps.
It improves the efficiency of ring main units at the installation site, shortens the assembly time, and enables a convenient installation process.
Smart Images

Figure CN223680606U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of ring main unit, more specifically, relate to a distribution network automation ring main unit. BACKGROUND
[0002] One of ring main unit electrical equipment, its core part adopts load switch and fuse, has simple structure, small size, low price, can improve power supply parameter and performance and power supply safety etc.
[0003] Because ring main unit inside usually installs load switch and fuse and other components, and installation is more complicated, after installation overall weight is heavy, in order to facilitate its installation in the ring network box inside outdoor, usually needs to transport the cabinet part of ring main unit and other components in relatively dispersed form to installation site again in ring main unit interior assembly, such form not only is inconvenient ring main unit reaches the scene installation quickly and puts into use, also increases the construction difficulty of installation site, in view of this provides a distribution network automation ring main unit, to reach more practical value purpose. UTILITY MODEL CONTENTS
[0004] 1. Technical problem to be solved
[0005] In view of the problems in the prior art, the purpose of the utility model is to provide a distribution network automation ring main unit, which can directly pre-assemble the ring main unit body and its internal components in the factory in advance and then transport them to the installation site, and then pull the ring main unit body into the ring network box through the corresponding traction mechanism, effectively improving the efficiency of the ring main unit body during installation at the installation site and the ring network box, shortening the assembly time and making the installation more convenient.
[0006] 2. Technical scheme
[0007] To solve the above problems, the utility model adopts the following technical scheme.
[0008] A distribution network automation ring main unit includes a ring main box. The front and one side of the ring main box are open. A front door is installed on the front of the ring main box via a hinge, and a side door is installed on one side of the ring main box via a hinge. The ring main unit body is disposed inside the ring main box. A base plate is fixedly installed at the bottom of the ring main unit body. A pair of rails are fixedly installed at the bottom of the ring main box. Two pairs of rollers are fixedly installed at the bottom of the base plate via a bracket. The sides of the two pairs of rollers that are close to each other are folded edges, and the outer walls of the two pairs of rollers are respectively at the top of the two rails. The ring mesh box is tightly fitted, with a traction box fixedly installed on one side. Inside the traction box, a winch is installed via a rotating shaft. A driven gear is fixedly installed on the outer wall of the rotating shaft on one side of the winch. Inside the traction box, a main shaft is installed via a bearing. A driving gear is fixedly installed on the outer wall of the main shaft, and a handle is fixedly installed at one end of the main shaft. A traction rope is wound around the outer wall of the winch, and one end of the traction rope passes through the traction box via a through groove and extends into the interior of the ring mesh box. A connecting clip is fixedly installed at one end of the traction rope, and the connecting clip engages with one side of the base plate.
[0009] Furthermore, a connecting plate is fixedly installed on one side of the base plate. A threaded groove is formed on the outer wall of the connecting plate. A lead screw is installed inside the threaded groove by thread. A knob is fixedly installed at one end of the lead screw, and a U-shaped clamp is installed at the other end of the lead screw through a bearing. A rubber pad is fixedly installed on the inner side of the U-shaped clamp.
[0010] Furthermore, the outer wall of the rubber pad is provided with anti-slip texture, and the U-shaped clamp covers the top of the rail.
[0011] Furthermore, the diameter of the driving gear is larger than that of the driven gear, and the driving gear and the driven gear are meshed together. One end of the main shaft extends to the outside of the traction box through a through groove.
[0012] Furthermore, a step pad body is placed and installed on one side of the ring network box, and the step pad body is sloping in shape.
[0013] Furthermore, a pair of guide grooves are provided at the top of the step pad body, and the positions of the pair of guide grooves correspond to the positions of the two rails.
[0014] Furthermore, a step pad storage box is fixedly installed on one side of the ring network box, and the step pad storage box is located above the traction box.
[0015] 3. Beneficial effects
[0016] Compared with existing technologies, the advantages of this utility model are:
[0017] (1) This scheme, can first ring net cabinet body and its internal components are directly pre-assembled in the factory then transported to the installation site, through the setting track, roller, winch and tow rope, open the side door body, at the same time, the step pad body is placed in the open side of the ring network box, and the guide groove on the step pad body is aligned with the position of the track, then the ring net cabinet body is pushed to one side of the step pad body, at the same time, the roller is pressed into the inside of the guide groove, then the connecting clamp is connected by the staff, so that the tow rope is extended, then the connecting clamp is passed from the bottom of the bottom plate, and the connecting clamp is clamped to one side of the bottom plate, then the staff rotates the handle, so that the main shaft and the driving gear are rotated together, at the same time, the driving gear drives the driven gear connected with each other to rotate, and the winch winds the tow rope, so that the connecting clamp pulls the ring net cabinet body through the step pad body into the inside of the ring network box, then the roller rolls to the top end of the track through the guide groove, with the continuous rotation of the handle, the ring net cabinet body will enter the designated position inside the ring network box, effectively improving the efficiency of the ring net cabinet body in the installation site and the ring network box during installation, shortening the assembly time, and the installation is more convenient.
[0018] (2) This scheme, by setting the connecting plate, screw rod and U-shaped clamp, after the ring net cabinet body is pulled into the inside of the ring network box, the staff rotates the knob, so that the screw rod moves downward in the threaded groove on the connecting plate, at the same time, the U-shaped clamp moves downward and covers the top end of the track, and the rubber pad in the U-shaped clamp can tightly fit the top end of the track, preventing the displacement of the ring net cabinet body caused by the rotation of the roller on the track, and the structure can effectively fix the position of the ring net cabinet body inside the ring network box. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 It is a structure of the utility model's stereoscopic right view schematic diagram;
[0020] Figure 2 It is a structure of the utility model's stereoscopic left view schematic diagram;
[0021] Figure 3 It is a structure of the utility model's stereoscopic inside schematic diagram;
[0022] Figure 4 It is a ring net cabinet body structure of the utility model's stereoscopic schematic diagram;
[0023] Figure 5 It is a Figure 4 It is a structure of the utility model's stereoscopic inside schematic diagram;
[0024] Figure 6 It is a structure of the utility model's stereoscopic inside schematic diagram;
[0025] Figure 7 It is aFigure 3 Local structure amplification schematic view at B.
[0026] Explanation of figure labels:
[0027] 1, ring net box; 2, front door body; 3, side door body; 4, ring net cabinet body; 5, bottom plate; 6, rail; 7, roller; 8, connecting plate; 9, threaded groove; 10, screw rod; 11, knob; 12, U-shaped clamp; 13, rubber pad; 14, traction box; 15, winch; 16, driven gear; 17, main shaft; 18, driving gear; 19, handle; 20, traction rope; 21, connecting clamp; 22, step pad body; 23, guide groove; 24, step pad storage box. DETAILED DESCRIPTION
[0028] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0029] Embodiment:
[0030] Please refer to Figures 1-7 A distribution network automation ring net cabinet, comprising a ring net box 1, the front and one side of the ring net box 1 are both open, and the front of the ring net box 1 is provided with a front door body 2 through a door shaft, and one side of the ring net box 1 is provided with a side door body 3 through a door shaft, and the inside of the ring net box 1 is provided with a ring net cabinet body 4, the bottom end of the ring net cabinet body 4 is fixedly provided with a bottom plate 5, the bottom end of the inside of the ring net box 1 is fixedly provided with a pair of rails 6, the bottom end of the bottom plate 5 is fixedly provided with two pairs of rollers 7 through supports, the side close to each other of the two pairs of rollers 7 is folded, and the outer walls of the two pairs of rollers 7 are closely combined with the top ends of the two rails 6, one side of the ring net box 1 is fixedly provided with a traction box 14, the inside of the traction box 14 is provided with a winch 15 through a rotating shaft, the outer wall of one side of the rotating shaft of the winch 15 is fixedly provided with a driven gear 16, the inside of the traction box 14 is provided with a main shaft 17 through a bearing, the outer wall of the main shaft 17 is fixedly provided with a driving gear 18, one end of the main shaft 17 is fixedly provided with a handle 19, the outer wall of the winch 15 is wound with a traction rope 20, one end of the traction rope 20 penetrates through the traction box 14 through a through groove and extends into the inside of the ring net box 1, one end of the traction rope 20 is fixedly provided with a connecting clamp 21, and the connecting clamp 21 is clamped to one side of the bottom plate 5. Through the structure design, the ring net box 1 and the ring net cabinet body 4 can be conveniently transported respectively, and the convenience and stability of installing the ring net cabinet body 4 into the inside of the ring net box 1 can be effectively improved.
[0031] Please refer toFigure 4 、 5 The side of the bottom plate 5 is fixedly provided with a connecting plate 8, a threaded groove 9 is formed in the outer wall of the connecting plate 8, a lead screw 10 is threadedly arranged in the threaded groove 9, a knob 11 is fixedly arranged at one end of the lead screw 10, a U-shaped clamp 12 is arranged at the other end of the lead screw 10 through a bearing, and a rubber pad 13 is fixedly arranged on the inner side of the U-shaped clamp 12. The outer wall of the rubber pad 13 is provided with anti-skid textures, and the U-shaped clamp 12 is wrapped to the top end of the rail 6. When the ring main unit body 4 is moved into the ring main box 1, the knob 11 is rotated, the lead screw 10 is moved downward in the threaded groove 9, and the U-shaped clamp 12 can be tightly attached to the top end of the rail 6, so that the position of the ring main unit body 4 in the ring main box 1 is firmly fixed and limited.
[0032] Referring to Figure 6 The diameter of the driving gear 18 is greater than that of the driven gear 16, and the driving gear 18 and the driven gear 16 are connected in meshing relationship. One end of the main shaft 17 extends to the outside of the traction box 14 through a through groove. When the staff rotates the handle 19 to pull the ring main unit body 4 to move on the rail 6, the power transmission between the driving gear 18 and the driven gear 16 becomes larger, so that the traction rope 20 pulls the ring main unit body 4 to play a labor-saving auxiliary role.
[0033] Referring to Figure 2 、 3 , 4, 7, the ring main box 1 is provided on one side with a step pad body 22, which is in the shape of a slope. A pair of guide grooves 23 are formed at the top end of the step pad body 22, and the positions of the pair of guide grooves 23 correspond to the positions of the two rails 6. The ring main box 1 is fixedly provided on one side with a step pad storage box 24, which is located above the traction box 14. Since the ring main box 1 has a raised part from the ground, the step pad body 22 can facilitate the ring main unit body 4 to enter the inside of the ring main box 1, the guide grooves 23 can make the rollers 7 accurately roll on the rails 6, and the step pad storage box 24 can store the step pad body 22, thereby improving the convenience of the step pad body 22 and the ring main box 1 during transportation.
[0034] In use: first, the ring network cabinet body 4 and its internal components are directly pre-assembled in the factory and then transported to the installation site, then the staff takes out the step pad body 22 in the step pad storage box 24 of the ring network box 1, then opens the side door body 3, and places the step pad body 22 at the opening of one side of the ring network box 1, at the same time, the guide groove 23 on the step pad body 22 is aligned with the position of the rail 6, then the ring network cabinet body 4 is pushed to one side of the step pad body 22, at the same time, the roller 7 is pressed into the inside of the guide groove 23, then the staff connects the clamp 21, so that the traction rope 20 is extended, then the clamp 21 is passed from below the bottom plate 5 and clamped to one side of the bottom plate 5, then the staff rotates the handle 19, so that the main shaft 17 rotates together with the driving gear 18, at the same time, the driving gear 18 drives the driven gear 16 connected with each other to rotate, at the same time, the winch 15 winds the traction rope 20, so that the clamp 21 pulls the ring network cabinet body 4 through the step pad body 22 into the inside of the ring network box 1, then the roller 7 rolls to the top end of the rail 6 through the guide groove 23, with the continuous rotation of the handle 19, the ring network cabinet body 4 will enter the designated position inside the ring network box 1, then the staff rotates the knob 11, so that the screw rod 10 moves downward in the threaded groove 9 on the connecting plate 8, at the same time, the U-shaped clamp 12 moves downward and covers the top end of the rail 6, and the rubber pad 13 in the U-shaped clamp 12 can tightly fit the top end of the rail 6, so as to fix the position of the ring network cabinet body 4 inside the ring network box 1, when the second ring network cabinet body 4 needs to be installed, the clamp 21 is taken off from the bottom plate 5 and clamped to the side of the bottom plate 5 below the second ring network cabinet body 4 for pulling, after the installation is completed, the step pad body 22 is inserted into the inside of the step pad storage box 24, then the side door body 3 is closed, and the device can be debugged and put into use.
[0035] The above merely provides a preferred embodiment of the present application; however, the protection scope of the present application is not limited to this. Any skilled person in the art, according to the technical scheme and improvement concept of the present application, can make equivalent replacement or change within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A distribution automation ring main unit comprising a ring main unit (1), characterized in that: The front and one side of the ring net box (1) are open, the front of the ring net box (1) is provided with a front door body (2) installed through a door shaft, one side of the ring net box (1) is provided with a side door body (3) installed through a door shaft, the inside of the ring net box (1) is provided with a ring net cabinet body (4), the bottom end of the ring net cabinet body (4) is fixedly installed with a bottom plate (5), the bottom end of the inside of the ring net box (1) is fixedly installed with a pair of rails (6), the bottom end of the bottom plate (5) is fixedly installed with two pairs of rollers (7) through supports, the sides close to each other of the two pairs of rollers (7) are folded edges, and the outer walls of the two pairs of rollers (7) are tightly attached to the top ends of the two rails (6) respectively, one side of the ring net box (1) is fixedly installed with a traction box (14), the inside of the traction box (14) is provided with a winch (15) installed through a rotating shaft, the outer wall of the rotating shaft of one side of the winch (15) is fixedly installed with a driven gear (16), the inside of the traction box (14) is provided with a main shaft (17) installed through a bearing, the outer wall of the main shaft (17) is fixedly installed with a driving gear (18), one end of the main shaft (17) is fixedly installed with a handle (19), the outer wall of the winch (15) is wound with a traction rope (20), one end of the traction rope (20) penetrates through the traction box (14) through a through groove and extends into the inside of the ring net box (1), one end of the traction rope (20) is fixedly installed with a connecting clamp (21), and the connecting clamp (21) is clamped to one side of the bottom plate (5).
2. The power distribution automation ring main unit of claim 1, wherein: One side of the bottom plate (5) is fixedly installed with a connecting plate (8), the outer wall of the connecting plate (8) is provided with a threaded groove (9), the inside of the threaded groove (9) is provided with a lead screw (10) installed through threads, one end of the lead screw (10) is fixedly installed with a knob (11), the other end of the lead screw (10) is fixedly installed with a U-shaped clamp (12) through a bearing, the inner side of the U-shaped clamp (12) is fixedly installed with a rubber pad (13).
3. The power distribution automation ring main unit of claim 2, wherein: The outer wall of the rubber pad (13) is provided with anti-skid textures, and the U-shaped clamp (12) is cladded to the top end of the rail (6).
4. The power distribution automation ring main unit of claim 1, wherein: The diameter of the driving gear (18) is greater than that of the driven gear (16), and the driving gear (18) and the driven gear (16) are connected with each other in meshing, and one end of the main shaft (17) extends to the outside of the traction box (14) through a through groove.
5. The power distribution automation ring main unit of claim 1, wherein: One side of the ring net box (1) is placed and installed with a step pad body (22), and the shape of the step pad body (22) is ramp-shaped.
6. The power distribution automation ring main unit of claim 5, wherein: A pair of guide grooves (23) are formed in the top end of the step pad body (22), and the positions of the pair of guide grooves (23) correspond to the positions of the two rails (6).
7. The power distribution automation ring main unit of claim 1, wherein: One side of the ring net box (1) is fixedly installed with a step pad storage box (24), and the step pad storage box (24) is located above the traction box (14).