Modular prefabricated cabin-type substation

Abstract

The application discloses a modular prefabricated cabin type transformer substation, which comprises a bottom plate, a cabin body, a pressing block and a lifting mechanism; the cabin body comprises a fixed cabin and movable cabins arranged on the two sides of the fixed cabin; the bottom plate is provided with supporting slide rails connected with the movable cabins; sliding grooves are formed on the sides close to each other of the two movable cabins; and the fixed cabin is arranged in the sliding grooves. The application can realize quick installation and fixation of multiple electrical equipment; the electrical equipment is placed in the cabin body; the lifting mechanism drives the fixed cabin and the movable cabins to descend; the two movable cabins slide along the sliding grooves and approach each other; the cylindrical rod drives the two supporting frames to approach each other through cooperation with the threaded sleeve; the supporting frames are fixed to the electrical equipment through cooperation with the pressing block; the stability of the electrical equipment during use is ensured; and the heat dissipation box is used in cooperation with the cooling pipe to dissipate heat of the electrical equipment, so that the problem of difficult heat dissipation in the prefabricated cabin of the transformer substation is solved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of transformer substations, and particularly relates to a modular prefabricated cabin type transformer substation. BACKGROUND

[0002] A transformer substation is a place for transforming voltage and current, receiving and distributing electric energy, and is a bridge connecting power grids of different voltage levels and an important component of a power system.

[0003] A prefabricated transformer substation is a new type of power distribution device in a power distribution system, has the characteristics of compact structure, small land occupation, high reliability, simple installation, strong standardization and serialization, easy coordination with the environment, flexible use, and easy movement, and meets the needs of power distribution network reconstruction and development.

[0004] Electrical equipment of the prefabricated cabin type transformer substation is usually installed in a box body, since multiple different electrical equipment needs to be used in the transformer substation, installation and fixation of the electrical equipment are relatively troublesome, the stability of the electrical equipment during use cannot be guaranteed, and the prefabricated cabin type transformer substation cannot meet the heat dissipation requirements during use, the electrical equipment inside the prefabricated cabin type transformer substation is prone to generate heat after long time use, which has a great influence on the normal operation of the electrical equipment. SUMMARY

[0005] The application aims to provide a modular prefabricated cabin type transformer substation to solve the problem of inconvenient use of the existing prefabricated cabin type transformer substation.

[0006] The application provides the modular prefabricated cabin type transformer substation, which comprises a bottom plate, a cabin body, a pressing block and a lifting mechanism; the cabin body comprises a fixed cabin and movable cabins arranged on the two sides of the fixed cabin; the bottom plate is provided with sliding rails connected with the movable cabins; sliding grooves are formed in the sides of the two movable cabins close to each other, and the fixed cabin is arranged in the sliding grooves; a fixed plate is arranged in the cabin body; a sliding block is slidably arranged in the fixed plate; a cylindrical rod is fixedly arranged on the sliding block; a threaded sleeve is arranged at the end of the cylindrical rod close to the other; an external thread matched with the threaded sleeve is arranged on the cylindrical rod; a supporting plate is arranged in the fixed cabin; a guide block is slidably arranged in the supporting plate; the threaded sleeve is rotatably arranged on the guide block; a connecting rod is rotatably arranged on the cylindrical rod; mounting plates are arranged between the two connecting rods; a sliding plate is arranged between the two mounting plates; the sliding plate is slidably arranged on the supporting plate; electrical equipment is arranged on the mounting plates and the sliding plate; supporting frames are fixedly arranged outside the cylindrical rod; a plurality of pressing blocks for fixing the electrical equipment are arranged on the supporting frames; cooling pipes are arranged at the bottom of the cabin body; liquid inlet pipes and liquid outlet pipes are arranged at the two ends of the cooling pipes; a plurality of heat dissipation boxes are arranged on the bottom plate; the lifting mechanism is connected with the fixed cabin; the lifting mechanism drives the fixed cabin and the movable cabins to descend; the two movable cabins slide along the sliding grooves and approach each other; the cylindrical rod drives the two supporting frames to approach each other through cooperation with the threaded sleeves; the supporting frames fix the electrical equipment through cooperation with the pressing blocks; and the heat dissipation boxes dissipate heat of the electrical equipment through cooperation with the cooling pipes.

[0007] In an embodiment of the above transformer substation, the lifting mechanism comprises a fixed frame fixedly arranged on the sliding rail, a lead screw arranged in the fixed frame, and a transmission block sleeved outside the lead screw; the fixed frame is provided with a motor; the rotating end of the motor is connected with the lead screw; the transmission block is provided with a nut matched with the lead screw; the outer wall of the fixed cabin is provided with a lifting block; and the transmission block is provided with a rubber column matched with the lifting block.

[0008] In an embodiment of the above transformer substation, a square groove is formed in the supporting plate; the guide block is slidably arranged in the square groove; the threaded sleeve is provided with a gear; and the side wall of the supporting plate is provided with a rack engaged with the gear.

[0009] In an embodiment of the above transformer substation, a guide groove and a clamping groove are formed in the fixed plate; the sliding block is slidably arranged in the guide groove; the sliding block is slidably provided with a clamping block; and the bottom end of the clamping block penetrates into the clamping groove.

[0010] In one embodiment of the above-mentioned substation, ventilation slots are provided at the bottom of both the fixed compartment and the movable compartment. Cooling pipes are installed inside the ventilation slots. A telescopic sleeve is provided at the top of the base plate. A telescopic rod is provided at the top of the telescopic sleeve. One end of the telescopic rod is connected to the fixed compartment.

[0011] In one embodiment of the aforementioned substation, a movable rod is provided outside the pressure block, the movable rod is slidably mounted on the support frame, and a telescopic spring is sleeved on the outside of the movable rod.

[0012] In one embodiment of the aforementioned substation, the movable block is slidably disposed inside the slide rail, and a connecting spring is provided between the movable block and the fixed block.

[0013] In one embodiment of the aforementioned substation, the slide rail is mounted on the top of the base plate, and a fixed block and a movable block are provided inside the slide rail. A support rod is rotatably mounted on the fixed block, and a reinforcing rod is provided between the support rod and the movable block.

[0014] The beneficial effects of this invention are as follows:

[0015] Modular prefabricated substations enable the quick installation and fixation of multiple electrical devices. The electrical devices are placed inside the cabin, and a lifting mechanism lowers the fixed and movable cabins. The two movable cabins slide along sliding grooves and move closer to each other. A cylindrical rod, in cooperation with a threaded sleeve, moves two support frames closer to each other. The support frames, in cooperation with a pressure block, compress and fix the electrical devices, ensuring their stability during use. The heat dissipation box, in cooperation with cooling pipes, dissipates heat from the electrical devices, solving the problem of difficult heat dissipation inside the prefabricated cabin of the substation. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of a structure according to an embodiment of the present invention.

[0017] Figure 2 for Figure 1 A schematic diagram of the middle compartment.

[0018] Figure 3 for Figure 2 Cross-sectional schematic diagram of the middle hull.

[0019] Figure 4 for Figure 2 A schematic diagram of the structure of the central fixed frame.

[0020] Figure 5 for Figure 1 Cross-sectional schematic diagram of the central active cabin.

[0021] Figure 6 for Figure 2 A schematic diagram of the middle support frame.

[0022] Figure 7 For Figure 2 The structure diagram of the fixed plate.

[0023] The figure shows: 1 - mobile cabin, 101 - sliding groove, 2 - fixed cabin, 3 - electrical equipment, 4 - bottom plate, 5 - liquid inlet pipe, 6 - liquid outlet pipe, 7 - sliding rail, 8 - fixed frame, 9 - fixed block, 10 - mobile block, 11 - support rod, 12 - reinforcing rod, 13 - heat dissipation box, 14 - telescopic sleeve, 141 - telescopic rod, 15 - fixed plate, 151 - clamping groove, 152 - guide groove, 16 - telescopic spring, 17 - sliding block, 18 - cylindrical rod, 19 - threaded sleeve, 20 - rack, 21 - support plate, 211 - square groove, 22 - support frame, 23 - gear, 24 - guide block, 25 - sliding plate, 26 - pressing block, 27 - connecting rod, 28 - mounting plate, 29 - clamping block, 30 - cooling pipe, 31 - ventilation groove, 32 - lead screw, 33 - motor, 34 - transmission block, 35 - rubber column, 36 - lifting block, 37 - nut, 38 - mobile rod. DETAILED DESCRIPTION

[0024] The related technical solutions will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments, not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0025] As Figure 1 shown, the modular prefabricated cabin type substation disclosed in the embodiment includes a cabin body, a bottom plate 4, a pressing block 26 and a lifting mechanism.

[0026] The top of the bottom plate 4 is provided with two symmetrical sliding rails 7, the inside of the sliding rails 7 is fixedly provided with fixed blocks 9 on both sides, the inside of the sliding rails 7 is slidably provided with mobile blocks 10, the support rods 11 are rotatably arranged on the fixed blocks 9, and the reinforcing rods 12 are rotatably arranged between the support rods 11 and the mobile blocks 10.

[0027] As Figure 6 shown, the top end of the support rod 11 is rotatably provided with a mobile cabin 1, the side close to each other of the two mobile cabins 1 is provided with a sliding groove 101, and the inside of the sliding groove 101 is slidably provided with a fixed cabin 2. The fixed cabin 2 and the two sides of the mobile cabin 1 constitute a prefabricated cabin type cabin body, and the cabin body is used for placing electrical equipment 3 of the substation. The electrical equipment 3 includes a transformer, a high-voltage circuit breaker, a disconnector, a bus, a lightning arrester and a reactor.

[0028] As Figure 2As shown, the two movable cabins 1 are internally fixedly provided with fixed plates 15, the fixed plates 15 are internally slidably provided with two symmetrical sliding blocks 17, the sliding blocks 17 are fixedly provided with cylindrical rods 18, the two cylindrical rods 18 are provided with threaded sleeves 19 at one end close to each other, the cylindrical rods 18 are externally provided with external threads matched with the threaded sleeves 19, when the two cylindrical rods 18 are close to each other, the cylindrical rods 18 drive the threaded sleeves 19 to rotate through the threaded matching.

[0029] The fixed cabin 2 is internally fixed with a supporting plate 21, the supporting plate 21 is internally slidably provided with a guide block 24, the threaded sleeve 19 is rotatably arranged on the guide block 24, and the guide block 24 guides the movement direction of the threaded sleeve 19.

[0030] The four cylindrical rods 18 are rotatably provided with connecting rods 27, the two connecting rods 27 are rotatably provided with mounting plates 28, that is, the mounting plates 28 are suspended in the movable cabin 1 through the connecting rods 27.

[0031] When the two cylindrical rods 18 are close to each other, the mounting plates 28 at the bottom end of the connecting rods 27 descend, the two mounting plates 28 are slidably provided with a sliding plate 25, the sliding plate 25 is slidably arranged on the supporting plate 21, the sliding plate 25 supports the two mounting plates 28, and the sliding plate 25 can only slide up and down along the supporting plate 21.

[0032] The mounting plates 28 and the sliding plate 25 are both placed with electrical equipment 3. The mounting plates 28 and the sliding plate 25 are both made of heat dissipation copper plates, a plurality of through holes are formed in the heat dissipation copper plates, so that the heat generated by the electrical equipment 3 can be discharged in time.

[0033] The cylindrical rods 18 are externally fixedly provided with L-shaped supporting frames 22, the supporting frames 22 are provided with a plurality of pressing blocks 26 for fixing the electrical equipment 3.

[0034] The cabin body is provided with a cooling pipe 30, and the bottom plate 4 is provided with a plurality of heat dissipation boxes 13. The heat dissipation boxes 13 are internally provided with heat dissipation fans, which can blow air upward. The cooling pipe 30 is made of elastic hollow pipe, and the two ends of the cooling pipe 30 are fixedly arranged on the movable cabin 1; the two ends of the cooling pipe 30 are respectively provided with an inlet pipe 5 and an outlet pipe 6, so that the cooling pipe 30 can be connected with a water pump, and the cooling liquid or cooling water circulates along the cooling pipe 30 to cool the air blown by the heat dissipation fan, forming cold air with lower temperature to cool the electrical equipment 3 above.

[0035] The two movable cabins 1 are close to each other and drive the cooling pipe 30 to bend and deform, so that the cooling pipe 30 is attached to the mounting plate 28 and the sliding plate 25, the contact area with the cooling pipe 30 is increased, and the cooling effect of the cooling pipe 30 is better.

[0036] The lifting mechanism is connected with the fixed cabin 2. The lifting mechanism drives the fixed cabin 2 and the movable cabin 1 to descend, the two movable cabins 1 slide along the sliding groove 101 and approach each other, the cylindrical rod 18 drives the two support frames 22 to approach each other through cooperation with the threaded sleeve 19, the support frame 22 extrudes and fixes the electrical equipment 3 through cooperation with the pressing block 26, and the heat dissipation box 13 dissipates heat for the electrical equipment 3 through cooperation with the cooling pipe 30.

[0037] As shown in Figures 1-4 , the lifting mechanism comprises a fixed frame 8 fixedly arranged on the sliding rail 7, a lead screw 32 rotatably arranged in the fixed frame 8, and a transmission block 34 sleeved outside the lead screw 32. The fixed frame 8 is internally provided with a motor 33, the rotating end of the motor 33 is connected with the lead screw 32, the transmission block 34 is provided with a nut 37 matched with the lead screw 32, the outer side wall of the fixed cabin 2 is fixedly provided with a lifting block 36, and the transmission block 34 is internally provided with two groups of rubber columns 35. The lead screw 32 rotates and drives the transmission block 34 to move up and down, the transmission block 34 drives the lifting block 36 and the fixed cabin 2 to move up and down through the rubber columns 35, and the use height of the cabin body is adjusted.

[0038] As shown in Figures 1-3 , the support plate 21 is internally provided with a square groove 211, the guide block 24 is slidingly arranged in the square groove 211, the threaded sleeve 19 is externally provided with a gear 23, the side wall of the support plate 21 is provided with a rack 20 engaged with the gear 23, the cylindrical rod 18 drives the threaded sleeve 19 to rotate, the threaded sleeve 19 drives the gear 23 to rotate, the gear 23 drives the guide block 24 to move along the square groove 211 through engagement with the rack 20, and the guide block 24 drives the two threaded sleeves 19 to approach each other.

[0039] As shown in Figures 1-7 , the fixed plate 15 is provided with a guide groove 152 and a clamping groove 151, the sliding block 17 is slidingly arranged in the guide groove 152, the sliding block 17 is slidingly provided with a clamping block 29, the bottom end of the clamping block 29 penetrates into the clamping groove 151, and the inclination direction of the clamping groove 151 is as shown in Figure 7 . The bottom end of the clamping block 29 is provided with a chamfer matched with the clamping groove 151, the clamping block 29 is elastically mounted on the sliding block 17 through a spring, the clamping block 29 penetrates into the clamping groove 151 downward, so that the two sliding blocks 17 can only slide along the fixed plate 15 and approach each other, and the sliding block 17 cannot slide in the reverse direction and reset.

[0040] As shown in Figures 1-3As shown, the fixed cabin 2 and the bottom of the movable cabin 1 are provided with ventilation grooves 31, and the inside of the ventilation grooves 31 is provided with cooling pipes 30; the top of the bottom plate 4 is provided with an expansion sleeve 14, the top of the expansion sleeve 14 is provided with an expansion rod 141, one end of the expansion rod 141 is connected with the fixed cabin 2, the inside of the expansion sleeve 14 is provided with an elastic element, and the elastic element supports the fixed cabin 2 through the expansion rod 141, so as to prevent the fixed cabin 2 from falling downward and causing damage to the equipment.

[0041] As shown in the figure, Figures 1-5 The movable rod 38 is provided outside the pressing block 26 and is slidingly arranged on the support frame 22, and the movable rod 38 is provided with an expansion spring 16.

[0042] As shown in the figure, Figures 1-3 The movable block 10 is slidingly arranged in the sliding rail 7, and the movable block 10 and the fixed block 9 are provided with a connecting spring; the fixed block 9 is elastically connected with the movable block 10 through the connecting spring. When the two movable cabins 1 and the fixed cabin 2 are lowered, the support rod 11 cannot move at the bottom end, the support rod 11 drives the two movable cabins 1 to move close to each other, and the reinforcing rod 12 is turned downward and supports the support rod 11.

[0043] The present application provides a kind of modular prefabricated cabin type substation, when the cabin inside needs to be put into electrical equipment 3, cabin is moved to the top of bottom plate 4, i.e. Figure 1 As shown in the figure, initial position;Electrical equipment 3 is sequentially placed in the inside of cabin, motor 33 drives screw rod 32 to rotate, screw rod 32 drives transmission block 34 and rubber column 35 to descend, transmission block 34 drives lifting block 36 and fixed cabin 2 to descend through rubber column 35, and fixed cabin 2 drives the movable cabin 1 arranged on both sides to descend;Since the bottom end of the support rod 11 cannot move, the support rod 11 drives the two movable cabins 1 to move close to each other, and the movable cabin 1 drives the cylindrical rod 18 arranged inside to penetrate into the inside of the threaded sleeve 19, so that the threaded sleeve 19 and the gear 23 rotate, the gear 23 drives the guide block 24 to move along the square groove 211 by meshing with the rack 20, the guide block 24 drives the two threaded sleeves 19 to move close to each other, the threaded sleeve 19 drives the cylindrical rod 18 to move close to each other, and the cylindrical rod 18 is pressed and fixed to the electrical equipment 3 through the plurality of pressing blocks 26 on the support frame 22, so as to realize the quick fixing of the plurality of electrical equipment 3.

[0044] When the cabin is impacted by external force, the cabin moves downward and presses the rubber column 35, the movable cabin 1 drives the pressing block 26 to move close to each other through the cylindrical rod 18, and the electrical equipment 3 is clamped and fixed, the clamping block 29 is downwardly fixed to the sliding block 17, so that the sliding block 17 cannot be reset, the pressing block 26 cannot move after clamping the electrical equipment 3, so that the stability of the electrical equipment 3 is stronger;Pull out the clamping block 29 outward, reverse the screw rod 32 and drive the fixed cabin 2 to rise, so as to realize the disassembly of the electrical equipment 3.

[0045] Finally, it should be noted that the above only describes the preferred embodiments of the present application and is not intended to limit the present application. Although the foregoing embodiments are described in detail, those skilled in the art can modify the technical solutions described in the foregoing embodiments or make equivalent replacements to some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A modular prefabricated substation, comprising a base plate, characterized in that: It also includes the cabin, ballast blocks, and lifting mechanism; The cabin includes a fixed cabin and movable cabins on both sides. A slide rail is provided on the bottom plate to connect with the movable cabins. A movable block is slidably arranged inside the slide rail. A sliding groove is opened on the side of the two movable cabins that are close to each other. The fixed cabin is arranged inside the sliding groove. A fixed plate is fixedly arranged inside the fixed plate. Two symmetrical sliders are slidably arranged inside the fixed plate. A cylindrical rod is fixedly arranged on the slider. A threaded sleeve is provided at the end of the two cylindrical rods located inside different movable cabins that are close to each other. The cylindrical rods are provided with external threads that cooperate with the threaded sleeves. A support plate is provided inside the fixed cabin. A guide block is slidably arranged inside the support plate. The threaded sleeve is rotatably arranged on the guide block. Each of the four cylindrical rods is rotatably equipped with a connecting rod. A mounting plate is rotatably installed between two connecting rods located inside the same movable compartment. A sliding plate is installed between two mounting plates and is slidably mounted on a support plate. Electrical equipment is placed on both the mounting plate and the sliding plate. A support frame is fixedly installed on the outside of each cylindrical rod. Multiple pressure blocks for fixing electrical equipment are installed on the support frame. A cooling pipe is installed at the bottom of the compartment. An inlet pipe and an outlet pipe are respectively installed at both ends of the cooling pipe. Multiple heat dissipation boxes are installed on the bottom plate. The lifting mechanism is connected to the fixed compartment. The lifting mechanism drives the fixed compartment and the movable compartment to descend. The two movable compartments slide along the sliding groove and move closer to each other. The cylindrical rod drives the two support frames to move closer to each other through the cooperation with the threaded sleeve. The support frames squeeze and fix the electrical equipment through the cooperation with the pressure block. The heat dissipation box dissipates heat from the electrical equipment through the cooperation with the cooling pipe.

2. The modular prefabricated substation as described in claim 1, characterized in that: The lifting mechanism includes a fixed frame fixedly mounted on a slide rail, a lead screw mounted inside the fixed frame, and a transmission block sleeved outside the lead screw. A motor is installed inside the fixed frame, and the rotating end of the motor is connected to the lead screw. A nut that cooperates with the lead screw is installed on the transmission block. A lifting block is installed on the outer wall of the fixed chamber, and a rubber column that cooperates with the lifting block is installed inside the transmission block.

3. The modular prefabricated substation as described in claim 2, characterized in that: The support plate has a square groove inside, the guide block is slidably disposed inside the square groove, the threaded sleeve is provided with a gear on the outside, and the support plate sidewall is provided with a rack that meshes with the gear.

4. The modular prefabricated substation as described in claim 3, characterized in that: The fixed plate has a guide groove and a slot. The slider is slidably disposed inside the guide groove. A block is slidably disposed on the slider. The bottom end of the block is inserted into the slot.

5. The modular prefabricated substation as described in claim 1, characterized in that: Both the fixed cabin and the movable cabin have ventilation slots at their bottoms, and cooling pipes are installed inside the ventilation slots. A telescopic sleeve is installed on the top of the base plate, and a telescopic rod is installed on the top of the telescopic sleeve. One end of the telescopic rod is connected to the fixed cabin.

6. The modular prefabricated substation as described in claim 1, characterized in that: The pressure block is provided with a movable rod on the outside, the movable rod is slidably mounted on the support frame, and a telescopic spring is sleeved on the outside of the movable rod.

7. The modular prefabricated substation as described in claim 1, characterized in that: The movable block is slidably disposed inside the slide rail, and a connecting spring is provided between the movable block and the fixed block.

8. The modular prefabricated substation as described in claim 1, characterized in that: The slide rail is located on the top of the base plate. Inside the slide rail, there is a fixed block and a movable block. A support rod is rotatably mounted on the fixed block, and a reinforcing rod is provided between the support rod and the movable block.

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