Waterproof structure of power station generator common box busbar

Abstract

The application provides a power station generator common box bus waterproof structure. The power station generator common box bus waterproof structure comprises a common box, a cover, two connecting frames, two recessed grooves, two frame plates and two sealing rings one. The common box is provided with an inspection opening on one side. The cover is fixedly installed on the common box by bolts and is matched with the inspection opening. The two connecting frames are fixedly installed on the two sides of the common box. The two recessed grooves are formed on the sides of the two connecting frames away from each other. The two frame plates are arranged in the two recessed grooves. The two sealing rings one are fixedly installed on the sides of the two frame plates away from each other. The power station generator common box bus waterproof structure has the advantages of good waterproof effect, convenient replacement of sealing elements, reduced air exhaust frequency and reduced work burden.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of power station generator, and particularly relates to a waterproof structure of a power station generator common box bus. BACKGROUND

[0002] At present, electric energy is one of the indispensable energy for every family, which can be used for electronic appliances or electrically related equipment. The power station is a power generation place for excavating and delivering electric energy to the power consumption unit. The power station is a factory for converting various related energy in nature into electric energy. Common power generation approaches include thermal power plants relying on fire power generation, hydropower plants relying on water power generation, and some power plants relying on solar energy and wind power and tidal power generation. With the progress of science and technology, nuclear power generation technology is gradually introduced into the world. While using, scientific research work is continuously carried out. The most common one in the power station is the common box closed bus. The common box closed bus conductor adopts a copper-aluminum busbar or a compact slot aluminum slot copper structure, which is convenient to install and run, has small maintenance workload, and has good corrosion resistance.

[0003] However, when the common box bus is used, it is found that the waterproof effect of the connecting piece connected with the external equipment on both sides is general, and the opening on both sides of the common box is large. Most of the humid air entering due to improper sealing will enter the common box. Since the humidity degree of the power generation environment in some hydropower plants is high, the insulator, hardware and conductor in the common box are easily dampened, which may result in low insulation resistance value, so that the required conditions for equipment operation cannot be met. In order to prevent such situations from occurring, people will empty the humid air in the interior several times, which is relatively frequent in operation, and brings a heavy workload to the workers.

[0004] Therefore, it is necessary to provide a waterproof structure of a power station generator common box bus to solve the above technical problems. SUMMARY

[0005] The technical problem solved by the present application is to provide a waterproof structure of a power station generator common box bus, which has good waterproof effect, is convenient to replace the sealing element, can reduce the emptying frequency of humid air, and reduces the workload.

[0006] To solve the above technical problems, the power station generator common box bus waterproof structure provided by the present application comprises: a common box, one side of the common box is provided with an inspection opening; a cover is fixedly installed on the common box through bolts, and the cover is matched with the inspection opening; two connecting frames are fixedly installed on the two sides of the common box; two recessed grooves are formed on the sides of the two connecting frames away from each other; two frame plates are arranged in the two recessed grooves respectively; two sealing rings one are fixedly installed on the sides of the two frame plates away from each other, and the sides of the two sealing rings one away from each other extend out of the corresponding recessed grooves, and the sealing ring one is in contact with the inner wall of the recessed groove; two sealing rings two are arranged in the two recessed grooves respectively, and the sides of the two sealing rings two close to each other are in contact with the inner walls of the two recessed grooves close to each other respectively; two extrusion round sleeves are fixedly installed on the sides of the two frame plates close to each other, and the sides of the two extrusion round sleeves close to each other are in contact with the corresponding sealing rings two; four supporting plates are fixedly installed on the top and bottom of the common box; four fixed rods are fixedly installed on the two frame plates, and one end of each of the four fixed rods extends out of the corresponding connecting frame and is in sliding connection with the corresponding connecting frame; four connecting rods are slidably installed on the four supporting plates respectively; four connecting blocks are fixedly installed on the four connecting rods respectively, and the four connecting blocks are in contact with the corresponding fixed rods; four embedding grooves are formed in the corresponding connecting blocks; four embedding blocks are arranged in the corresponding embedding grooves, and the four embedding blocks are fixedly connected with the corresponding fixed rods; and four positioning grooves are formed in the corresponding embedding blocks.

[0007] Preferably, a spring one is sleeved on each of the four connecting rods, one end of the spring one is fixedly connected with the supporting plate, and the other end of the spring one is fixedly connected with the connecting block.

[0008] Preferably, a sliding groove is formed in each of the four connecting blocks, two box bodies are arranged above and below the common box, one side of the box body close to the common box is open, four box bodies correspond to four sliding grooves respectively, a connecting rod is slidably installed in the box body, one end of the connecting rod extends out of the box body, the other end of the connecting rod extends into the sliding groove and is fixedly installed with a positioning rod, and one end of the positioning rod close to the common box extends into the positioning groove.

[0009] Preferably, the four plates are slidingly installed with a horizontal plate, the four horizontal plates are fixedly connected with the corresponding box body, the box body is slidingly installed with a connecting plate, the connecting rod penetrates through the connecting plate and is fixedly connected with the connecting plate, a spring two is sleeved on the connecting rod, one end of the spring two is fixedly connected with the inner wall of the box body away from the common box, and the other end of the spring two is fixedly connected with the connecting plate.

[0010] Preferably, one end of the connecting rod located outside the box body is rotatably installed with a rotating plate, the rotating plate is fixedly installed with a limiting rod, a limiting hole is formed in the horizontal plate, one end of the limiting rod extends into the limiting hole, and the limiting rod is matched with the limiting hole.

[0011] Preferably, the bottom of the cover is fixedly installed with a sealing ring three, and the sealing ring three is in contact with the common box.

[0012] Preferably, the cover is fixedly installed with a top plate through bolts, a bottom groove is formed in the side of the top plate close to the cover, a drying box is arranged in the common box, one side of the drying box penetrates through the cover and extends into the bottom groove, one side of the drying box located in the bottom groove is open, clamping grooves are formed in the outer walls of the two sides of the drying box, and movable grooves are formed in the inner walls of the two sides of the bottom groove; two clamping blocks are slidingly installed in the two movable grooves, and the two clamping blocks extend into the corresponding clamping grooves on the sides close to each other.

[0013] Preferably, silica gel drying agents are filled in the drying box, and air holes are formed in the inner walls of four sides and the bottom of the drying box.

[0014] Preferably, a sealing ring four is arranged between the top plate and the cover, and the sealing ring four is fixedly connected with the top plate.

[0015] Preferably, a rectangular cover is fixedly installed on the top plate, a bidirectional screw rod is rotatably installed in the rectangular cover, two sliding plates are threadedly installed on the bidirectional screw rod, the two sliding plates extend into the corresponding movable grooves on the sides thereof and are fixedly connected with the corresponding clamping blocks, and the sliding plates are slidingly connected with the top plate.

[0016] Compared with the related art, the common box bus waterproof structure of the power station generator has the following beneficial effects:

[0017] This invention provides a waterproof structure for a common busbar of a power station generator. Through the frame plate, the extrusion sleeve, and the reaction force provided by the spring, a comprehensive and reliable extrusion force can be formed on the sealing ring 1 and the sealing ring 2, causing both sealing ring 1 and the sealing ring 2 to deform to a certain extent. This makes the contact between the components tighter and greatly improves the sealing performance. In addition, the positioning groove and positioning rod can reliably fix the insert. Moreover, the sealing ring 1 and the sealing ring 2 can be replaced later simply by pulling and rotating the rotating plate. The operation is simple and quick, and convenient for users.

[0018] Furthermore, during normal use of the common chamber, by filling the drying chamber with silica gel desiccant, the moisture in the humid air inside the common chamber can be absorbed to a certain extent. This allows for a degree of moisture absorption during operation, effectively reducing the frequency of venting the humid air and greatly reducing the workload for staff. Attached Figure Description

[0019] Figure 1 A front view schematic diagram of the first embodiment of the waterproof structure for the common busbar of a power station generator provided by the present invention;

[0020] Figure 2 A bottom view of the first embodiment of the waterproof structure for the common busbar of the power station generator provided by the present invention;

[0021] Figure 3 for Figure 1 An enlarged structural diagram of part A shown;

[0022] Figure 4 for Figure 3 An enlarged structural diagram of part B is shown;

[0023] Figure 5 for Figure 4 An enlarged structural diagram of section C is shown;

[0024] Figure 6 A front view schematic diagram of a second embodiment of the waterproof structure for a common busbar of a power station generator provided by the present invention;

[0025] Figure 7 for Figure 6 The diagram shows an enlarged view of part D.

[0026] The figure marks: 1, common box; 2, cover; 3, connecting frame; 4, recessed groove; 5, frame plate; 6, sealing ring one; 7, sealing ring two; 8, extrusion round sleeve; 9, fixed rod; 10, support plate; 11, connecting rod; 12, connecting block; 13, spring one; 14, embedded groove; 15, embedded block; 16, positioning groove; 17, box body; 18, connecting rod; 19, positioning rod; 20, top plate; 21, bottom groove; 22, drying box; 23, clamping groove; 24, movable groove; 25, clamping block. DETAILED DESCRIPTION

[0027] The application is further described below in combination with the drawings and embodiments.

[0028] First embodiment

[0029] Please refer to Figures 1-5In the first embodiment of the present application, the power station generator common box bus waterproof structure comprises: a common box 1, one side of which is provided with an inspection opening; a cover 2 fixedly installed on the common box 1 by bolts, and the cover 2 is matched with the inspection opening, the size of the cover 2 is larger than that of the inspection opening, and the cover 2 can completely cover the inspection opening, so as to ensure the formation of the sealing effect; two connecting frames 3 fixedly installed on the two sides of the common box 1; two recessed grooves 4 respectively provided on the sides of the two connecting frames 3 away from each other; two frame plates 5 respectively arranged in the two recessed grooves 4, the frame plate 5 can be used as a carrier to reliably connect the sealing ring one 6 and the extrusion round sleeve 8, and the frame plate 5 is a rigid part and can form extrusion resistance with the soft sealing ring one 6, so that the sealing ring one 6 can be deformed; two sealing ring ones 6 fixedly installed on the sides of the two frame plates 5 away from each other, and the sides of the two sealing ring ones 6 away from each other extend out of the corresponding recessed grooves 4, and the sealing ring one 6 is in contact with the inner wall of the recessed groove 4; two sealing ring twos 7 arranged in the two recessed grooves 4, and the sides of the two sealing ring twos 7 close to each other are in contact with the inner walls of the two recessed grooves 4 close to each other, the sealing ring one 6 and the sealing ring two 7 can form a sealed environment to the greatest extent, and improve the sealing performance under the action of their own deformation; two extrusion round sleeves 8 fixedly installed on the sides of the two frame plates 5 close to each other, and the sides of the two extrusion round sleeves 8 close to each other are in contact with the corresponding sealing ring twos 7, the extrusion round sleeve 8 is also a rigid part and has the same effect as the frame plate 5, which can provide rigid extrusion to the sealing ring two 7 to make it deform, thereby improving the sealing performance; four supporting plates 10 fixedly installed on the top and bottom of the common box 1; four fixed rods 9 fixedly installed on the two frame plates 5, and one end of each of the four fixed rods 9 extends out of the corresponding connecting frame 3 and is in sliding connection with the corresponding connecting frame 3, the arrangement of the fixed rod 9 can make the frame plate 5 as a carrier freely move, so as to form extrusion resistance with the connecting part on the external equipment, and make the deformation of the sealing ring one 6 and the sealing ring two 7 easily realized; four connecting rods 11 respectively slidably installed on the four supporting plates 10; four connecting blocks 12 fixedly installed on the four connecting rods 11, and the four connecting blocks 12 are in contact with the corresponding fixed rods 9; four embedding grooves 14 provided on the corresponding connecting blocks 12.Four embedded blocks 15, four of which are arranged in the corresponding embedded slots 14, and four of which are fixedly connected with the corresponding fixed rods 9, through the fitting between the embedded blocks 15 and the embedded slots 14, the fixed rods 9 and the connecting rods 11 can form a connection relationship under the cooperation of the positioning slots 16 and the positioning rods 19, thereby forming a linkage effect; four positioning slots 16, four of which are arranged on the corresponding embedded blocks 15.

[0030] Four connecting rods 11 are sleeved with springs 13, one end of the spring 13 is fixedly connected with the support plate 10, the other end of the spring 13 is fixedly connected with the connecting block 12, the spring 13 can indirectly provide a counterforce when the frame plate 5 is extruded, so that the sealing ring 6 can also obtain the force and produce deformation.

[0031] Four connecting blocks 12 are provided with sliding grooves, the upper and lower sides of the common box 1 are provided with two box bodies 17, one side of the box body 17 close to the common box 1 is provided with an opening, four box bodies 17 correspond to four sliding grooves respectively, the box body 17 is slidably installed with a connecting rod 18, one end of the connecting rod 18 extends out of the box body 17, the other end of the connecting rod 18 extends into the sliding groove and is fixedly installed with a positioning rod 19, the positioning rod 19 is matched with the size of the sliding groove, can slide smoothly in it, and the connecting rod 18 can connect the positioning rod 19, so as to facilitate people to pull out the positioning rod 19 from the positioning slot 16 when pulling the rotating plate, one end of the positioning rod 19 close to the common box 1 extends into the positioning slot 16.

[0032] Four support plates 10 are slidably installed with cross plates, four cross plates are fixedly connected with the corresponding box bodies 17, the cross plate can fix the box body 17, so that the connecting rod 18 can be pulled smoothly, and the sliding of the cross plate and the support plate 10 can make the embedded block 15 also displace horizontally when being clamped and fixed by the positioning rod 19, the box body 17 is slidably installed with an adapter plate, the connecting rod 18 penetrates through the adapter plate and is fixedly connected with the adapter plate, the connecting rod 18 is sleeved with a spring 2, one end of the spring 2 is fixedly connected with the inner wall of the side of the box body 17 away from the common box 1, the other end of the spring 2 is fixedly connected with the adapter plate, the spring 2 can provide a rebound force for the positioning rod 19, so that it can automatically return to the positioning slot 16 without external force, on the other hand, the positioning rod 19 can be tightly clamped in the positioning slot 16, improving the stability of installation.

[0033] The end of the connecting rod 18 outside the box body 17 is rotatably installed with a rotating plate, the rotating plate is fixedly installed with a limiting rod, the rotating plate is provided with a limiting hole, one end of the limiting rod extends into the limiting hole, the limiting rod is matched with the limiting hole, when the positioning rod 19 is pulled out of the positioning slot 16, the limiting rod is rotated to stagger with the limiting slot and abut against the top surface of the horizontal plate by rotating the rotating plate, so that the positioning rod 19 cannot return to the positioning slot 16, thereby facilitating the rotation of other rotating plates and improving the convenience.

[0034] The bottom of the cover 2 is fixedly installed with a sealing ring three, the sealing ring three is in contact with the common box 1, and the sealing ring three can improve the sealing degree of the device to a certain extent.

[0035] In the embodiment:

[0036] When the common box 1 is fixedly installed with external equipment, two connecting pieces on the external connecting equipment are respectively matched with two connecting frames 3, then opposite movements are made to form a squeezing force applied to the middle of the common box 1, at this time, the connecting pieces on the external equipment abut against the sealing ring one 6, so that the sealing ring one 6 is partially deformed, and correspondingly, the squeezing force is applied to the two frame plates 5, the frame plates 5 transmit the squeezing force to the squeezing circular sleeve 8, then the squeezing circular sleeve 8 squeezes the sealing ring two 7, so that the sealing ring two 7 is also partially deformed, at this time, the sealing ring one 6 is in close contact with the connecting pieces on the external equipment, and at the same time, the sealing ring one 6 is also in close contact with the inner wall of the recessed groove 4, and similarly, the deformation of the sealing ring two 7 also makes the sealing ring two 7 in close contact with the squeezing circular sleeve 8 and the inner wall of one side of the recessed groove 4, and the overall sealing performance is completely realized, then the connecting frames 3 and the connecting pieces on the external equipment can be fixedly installed by bolts, after the installation is completed, the device can be put into use, and after the installation is completed, the spring one 13 is in a compressed state, so that a force is applied to the sealing ring one 6, and the sealing performance is further improved;

[0037] When the sealing ring one 6 or the sealing ring two 7 needs to be replaced after a long time of use, the two rotating plates corresponding to the upper and lower sides are pulled away from each other until the corresponding limiting rods are pulled out of the corresponding limiting holes, then the two rotating plates are rotated to make the limiting rods stagger with the limiting holes, at this time, the two positioning rods 19 corresponding to the two rotating plates are also pulled out of the corresponding positioning slots 16, and the two springs two corresponding to the two rotating plates are in a compressed state, then the rotating plates are loosened, the limiting rods are in close contact with the horizontal plates under the action of the springs two, at this time, the two embedding blocks 15 corresponding to the two rotating plates lose the limitation, then the same frame plate 5 corresponding to the two fixed rods 9 is taken out of the recessed groove 4, the sealing ring one 6 or / and the sealing ring two 7 on the frame plate 5 can be replaced, and the other frame plate 5 can be taken down and replaced in the same way.

[0038] After replacement, installation is performed by reversing the above steps.

[0039] Compared with the related art, the power station generator common box bus waterproof structure has the following beneficial effects:

[0040] The device can provide comprehensive and reliable extrusion force on the sealing ring one 6 and the sealing ring two 7 through the frame plate 5, the extrusion round sleeve 8 and the counteracting top force provided by the spring one 13, so that the sealing ring one 6 and the sealing ring two 7 are deformed to a certain extent, the contact between the parts is more closely, and the sealing performance is greatly improved. In addition, the positioning groove 16 and the positioning rod 19 can reliably fix the embedded block 15, and the sealing ring one 6 and the sealing ring two 7 can be replaced by pulling and rotating the rotating plate in the later period, so that the operation is simple and fast, and people can use it conveniently.

[0041] Second embodiment:

[0042] Based on the power station generator common box bus waterproof structure provided by the first embodiment of the application, the second embodiment of the application provides another power station generator common box bus waterproof structure. The second embodiment is only a preferred mode of the first embodiment, and the implementation of the second embodiment does not affect the separate implementation of the first embodiment.

[0043] The second embodiment of the application will be further described below in combination with the drawings and embodiments.

[0044] Please refer to Figures 6-7 The power station generator common box bus waterproof structure further includes a top plate 20, the top plate 20 is fixedly installed on the cover 2 through bolts, a bottom groove 21 is formed in the side of the top plate 20 close to the cover 2, a drying box 22 is arranged in the common box 1, one side of the drying box 22 penetrates through the cover 2 and extends into the bottom groove 21, and the side of the drying box 22 located in the bottom groove 21 is provided as an opening. The drying box 22 can be filled with silica gel desiccant and other dryers with the same effect, so that a good moisture absorption and drying effect can be achieved. Clamping grooves 23 are formed in the outer walls on both sides of the drying box 22, movable grooves 24 are formed in the inner walls on both sides of the bottom groove 21, clamping blocks 25 are slidably installed in the two movable grooves 24, and the clamping blocks 25 extend into the corresponding clamping grooves 23 on the sides close to each other. Through the clamping of the clamping blocks 25 and the clamping grooves 23, the drying box 22 can be reliably fixed in the bottom groove 21, so that the moisture absorption work can be smoothly carried out, and the movable grooves 24 can provide sufficient sliding space for the clamping blocks 25, so that the drying box 22 can be removed more conveniently in the later period.

[0045] The dry box 22 is filled with silica gel desiccant, and air holes are formed on the inner walls of the four sides and the bottom of the dry box 22, which can make the air in the common box 1 flow smoothly into the dry box 22 to achieve the moisture absorption effect.

[0046] A sealing ring four is arranged between the top plate 20 and the cover 2, and the sealing ring four is fixedly connected with the top plate 20, which can provide a certain sealing effect between the cover 2 and the top plate 20.

[0047] A rectangular cover is fixedly installed on the top plate 20, a bidirectional screw is rotatably installed in the rectangular cover, two sliding plates are threadedly installed on the bidirectional screw, and the two sliding plates are located on two sections of threads with opposite rotation directions on the bidirectional screw, so that when the bidirectional screw is rotated, the two sliding plates can move away from each other or move close to each other, thereby realizing quick disassembly and assembly of the dry box 22.

[0048] In the normal use of the common box 1, the silica gel desiccant filled in the dry box 22 can absorb the moisture in the humid air in the common box 1 to a certain extent, thereby realizing the moisture absorption function during operation, reducing the frequency of emptying the humid air, and greatly reducing the work burden of people.

[0049] In addition, when replacing the silica gel desiccant, the top plate 20 is only needed to be disassembled from the cover 2, then the bidirectional screw is rotated, the two clamping blocks 25 are moved away from each other, and the dry box 22 is taken off and the desiccant inside is replaced, which has few operation steps and is convenient for people to replace the silica gel desiccant.

[0050] The above is only an embodiment of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, is also included in the patent protection scope of the present application.

Claims

1. A waterproof structure of a generator common bus of a power plant, characterized by, The utility model provides a kind of common box and cover device, including: Common box, one side of the common box is provided with access hole; Cover, the cover is fixedly installed on the common box by bolt, and the cover is matched with the access hole; Two connecting frames, two connecting frames are fixedly installed on the two sides of the common box respectively; Two recessed grooves, two recessed grooves are provided in the side of two connecting frames away from each other respectively; Two frame plates, two frame plates are arranged in two recessed grooves respectively; Two sealing rings one, two sealing rings one are fixedly installed in the side of two frame plates away from each other respectively, and the side of two sealing rings one away from each other extends to the outside of corresponding recessed groove, and the sealing ring one is in contact with the inner wall of the recessed groove; Two sealing rings two, two sealing rings two are arranged in two recessed grooves respectively, and the side of two sealing rings two close to each other is in contact with the inner wall of the side of two recessed grooves close to each other respectively; Two extrusion round sleeves, two extrusion round sleeves are fixedly installed in the side of two frame plates close to each other respectively, and the side of two extrusion round sleeves close to each other is in contact with corresponding sealing ring two; Four supporting plates, four supporting plates are fixedly installed on the top and bottom of the common box; Four fixed rods, four fixed rods are fixedly installed on two frame plates, and one end of four fixed rods extends to the outside of corresponding connecting frame and is in sliding connection with corresponding connecting frame; Four link rods, four link rods are slidably installed on four supporting plates respectively; Four connecting blocks, four connecting blocks are fixedly installed on four link rods respectively, and four connecting blocks are in contact with corresponding fixed rods; Four embedding grooves, four embedding grooves are provided in corresponding connecting blocks; Four embedding blocks, four embedding blocks are arranged in corresponding embedding grooves, and four embedding blocks are fixedly connected with corresponding fixed rods; Four positioning grooves, four positioning grooves are provided in corresponding embedding blocks.

2. The generator common casing busbar waterproof structure of a power plant according to claim 1, characterized by, Spring one is sleeved on four link rods, one end of the spring one is fixedly connected with the supporting plate, and the other end of the spring one is fixedly connected with the connecting block.

3. The generator common casing busbar waterproof structure of a power plant according to claim 1, characterized by, Groove is provided in four connecting blocks, the upper and lower of the common box are provided with two box bodies, and the side close to the common box of the box body is opened, four box bodies correspond to four grooves respectively, a connecting rod is slidably installed in the box body, one end of the connecting rod extends to the outside of the box body, the other end of the connecting rod extends to the groove and is fixedly installed with a positioning rod, and the end close to the common box of the positioning rod extends to the positioning groove.

4. The generator common casing busbar waterproof structure according to claim 3, characterized by, Horizontal plate is slidably installed on four supporting plates, four horizontal plates are fixedly connected with corresponding box bodies, a link plate is slidably installed in the box body, the connecting rod penetrates through the link plate and is fixedly connected with the link plate, spring two is sleeved on the connecting rod, one end of the spring two is fixedly connected with the inner wall of the side of the box body away from the common box, and the other end of the spring two is fixedly connected with the link plate.

5. The generator common casing busbar waterproof structure of claim 4, wherein The end of the connecting rod outside the box body is rotationally installed with a rotating plate, the rotating plate is fixedly installed with a limiting rod, a limiting hole is opened on the cross plate, one end of the limiting rod extends into the limiting hole, and the limiting rod is matched with the limiting hole.

6. The generator common casing busbar waterproof structure of a power plant according to claim 1, characterized by, The bottom of the cover is fixedly installed with a sealing ring three, and the sealing ring three is in contact with the common box.

7. The generator common casing busbar waterproof structure of claim 1, wherein A top plate is fixedly installed on the cover by bolts, a bottom groove is opened on one side of the top plate close to the cover, a drying box is arranged in the common box, one side of the drying box penetrates the cover and extends into the bottom groove, one side of the drying box in the bottom groove is open, clamping grooves are opened on the outer walls of the two sides of the drying box, movable grooves are opened on the inner walls of the two sides of the bottom groove, clamping blocks are slidably installed in the two movable grooves, and one side of each of the two clamping blocks close to each other extends into the corresponding clamping groove.

8. The generator common casing busbar waterproof structure according to claim 7, characterized by, Silica gel drying agent is filled in the drying box, and air holes are opened on the inner walls of the four sides and the bottom of the drying box.

9. The generator common casing busbar waterproof structure of claim 7, wherein, A sealing ring four is arranged between the top plate and the cover, and the sealing ring four is fixedly connected with the top plate.

10. The generator common casing busbar waterproof structure of claim 7, wherein, A rectangular cover is fixedly installed on the top plate, a bidirectional screw rod is rotationally installed in the rectangular cover, two sliding plates are threadedly installed on the bidirectional screw rod, one side of each of the two sliding plates extends into the corresponding movable groove and is fixedly connected with the corresponding clamping block, and the sliding plate is slidably connected with the top plate.

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