CN118518923B - A detection device for power substation safety - Google Patents
A detection device for power substation safety Download PDFInfo
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- CN118518923B CN118518923B CN202411000747.7A CN202411000747A CN118518923B CN 118518923 B CN118518923 B CN 118518923B CN 202411000747 A CN202411000747 A CN 202411000747A CN 118518923 B CN118518923 B CN 118518923B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
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- Measurement Of Current Or Voltage (AREA)
Abstract
本发明公开了一种变电安全用检测装置，属于电力系统保护领域，包括电流电压检测主体，所述电流电压检测主体的顶部转动安装有顶盖，所述电流电压检测主体的顶部开设有显示区，所述电流电压检测主体的顶部位于显示区的后部安装有两个连接插头，所述电流电压检测主体的顶部位于显示区的前部安装有开关，所述电流电压检测主体的两侧均转动安装有固定罩，所述电流电压检测主体的两侧均设置有两个支撑结构，所述支撑结构包括支撑杆。本发明通过设置支撑结构，使得电流电压检测主体在任意角度和任意高度被支撑。
The present invention discloses a detection device for substation safety, which belongs to the field of power system protection, and comprises a current and voltage detection body, a top cover is rotatably installed on the top of the current and voltage detection body, a display area is provided on the top of the current and voltage detection body, two connection plugs are installed on the top of the current and voltage detection body located at the rear of the display area, a switch is installed on the top of the current and voltage detection body located at the front of the display area, fixed covers are rotatably installed on both sides of the current and voltage detection body, and two support structures are provided on both sides of the current and voltage detection body, and the support structures include support rods. The present invention enables the current and voltage detection body to be supported at any angle and any height by setting the support structure.
Description
Technical Field
The invention relates to the field of power system protection, in particular to a detection device for transformer safety.
Background
The transformer safety detection device is used for detecting the electric safety state in the transformer substation and ensuring the stable operation of the power system and the safety of personnel. They typically include various sensors and monitoring devices for detecting parameters such as voltage, current, temperature, gas leakage, insulation status, etc.
The chinese patent with publication number CN117630433a discloses an intelligent detection device for secondary line of power transformation, which comprises a box body, the box body includes a bottom box and a box cover hinged with the bottom box, be provided with detection component in the bottom box, detection component includes power module ", and although can avoid the risk of kinking and wrong line connection, the device is put directly on the loading surface, monitors substation equipment, consequently, can lead to the spot of its loading surface to adhere to detection device, influence its detection device's pleasing to the eye, its spot still can corrode its detection device's outside, and simultaneously, the humidity of its loading surface also can corrode its detection device, leads to detection device's life to receive the influence.
Disclosure of Invention
The invention mainly aims to provide a detection device for transformer safety, which can effectively solve the technical problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
The utility model provides a detection device for transformer safety, includes the current voltage detects the main part, the top of current voltage detects the main part rotates and installs the top cap, the display area has been seted up at the top of current voltage detects the main part, two connecting plugs are installed at the rear portion that the top of current voltage detects the main part is located the display area, the top of current voltage detects the main part is located the front portion of display area and installs the switch, both sides of current voltage detects the main part all rotate and install fixed cover, both sides of current voltage detects the main part all are provided with two bearing structures;
The supporting structure comprises a supporting rod, one side of the current and voltage detection main body is close to the front and is located in the fixed cover, a toothed ring I is installed in the fixed cover, a ratchet wheel is installed in the toothed ring I in a rotating mode on one side of the current and voltage detection main body, the tooth surface of the ratchet wheel consists of a plurality of vertical sides and oblique sides, each vertical side of the ratchet wheel is fixedly connected with a spring, one end of each spring is fixedly connected with a ball, and the side face of the ratchet wheel is fixedly connected with the inner side of the supporting rod close to the bottom.
As a further scheme of the invention, the diameter of the ratchet wheel is consistent with the diameter of the inner ring of the first toothed ring, and a rubber anti-skid pad is fixedly arranged at the top of the supporting rod.
As a further scheme of the invention, a water retaining structure is arranged between the four support rods, the water retaining structure comprises waterproof cloth, connecting rods are rotatably connected between the two support rods near the front and between the two support rods near the rear, a rotating rod is rotatably connected inside the connecting rods near the front, the waterproof cloth is wound on the outer surface of the rotating rod, one end of the waterproof cloth penetrates through the rear part of the connecting rod near the front and is fixedly connected with a magnetic suction block, fixing boxes are fixedly connected near the top parts of the two support rods near the far side of the two support rods near the front, coil springs are fixedly connected to the two ends of the rotating rod respectively penetrating through the interiors of the two fixing boxes, magnetic suction grooves are formed in the front parts of the connecting rods near the rear, and sliding blocks are slidably connected to the front parts of the magnetic suction grooves on one side of the two support rods near the rear and the other side of the two support rods.
As a further scheme of the invention, one end of the coil spring is fixedly connected with the inner wall of the fixed box, and the magnetic attraction block is adaptively matched with the magnetic attraction groove.
As a further proposal of the invention, the cross section of the connecting rod is square, and the front part of the current and voltage detecting main body is provided with a lifting frame.
As a further scheme of the invention, the switching structure is arranged on two sides of the current and voltage detection main body and comprises four sliding gears, two large toothed rings meshed with each other are rotatably connected on two sides of the current and voltage detection main body, two tooth grooves are formed on two sides of the current and voltage detection main body, two rotating shafts are rotatably arranged in the current and voltage detection main body, two mutually symmetrical sleeves are rotatably connected on the outer surfaces of the rotating shafts, four sliding gears are respectively arranged in the four tooth grooves, one end of each sleeve penetrates through the side face of the current and voltage detection main body and is fixedly connected with the side face of each sliding gear, a transmission groove is formed in one side of each rotating shaft, transmission sliding grooves are formed in the outer surfaces of the rotating shafts near two ends of the rotating shafts, the sliding gears are in adaptive matching with the transmission sliding grooves through the transmission sliding grooves, limiting blocks are fixedly connected on the far sides of the two sliding gears, and the other side of each supporting rod is fixedly provided with the large gears near the bottom.
As a further scheme of the invention, the large gear is matched with the sliding gear in an adaptive way, the large gear ring is connected with the gear ring in a meshed way, and the sliding gear is clamped with the tooth slot.
As a further aspect of the present invention, the large gear is in accordance with the diameter of the large ring gear, and the sliding gear is in accordance with the diameter of the first ring gear.
As a further scheme of the invention, a convenient structure is arranged in the current and voltage detection main body, the convenient structure comprises a rotating rod, two pairs of pressing blocks are slidably arranged in the current and voltage detection main body, the rotating rod is rotatably arranged in the current and voltage detection main body, two thread grooves are formed in the outer surface of the rotating rod, circular grooves are formed between the pressing blocks at the front part and between the pressing blocks at the rear part, and conical frustum blocks are fixedly connected with the adjacent ends of the two sleeves at the front part and the adjacent ends of the two sleeves at the rear part.
As a further scheme of the invention, the round groove is adaptively matched with the rotating shaft, the thread groove is formed by connecting two small thread grooves with opposite thread directions, two pairs of pressing blocks are respectively in threaded connection with the rotating rod through the two thread grooves, and the pressing blocks are adaptively matched with the conical frustum blocks.
The beneficial effects of the invention are as follows:
Through setting up bearing structure, the mutually supporting of a plurality of ball, ratchet and ring gear one for the bracing piece only can unidirectional rotation, and then makes the bracing piece can't reverse rotation after being rotated to predetermined angle, and then makes the electric current voltage detection main part supported at arbitrary angle and arbitrary height;
When the four support rods support the current and voltage detection main body, the current and voltage detection main body can be isolated from the bearing surface, so that not only is the current and voltage detection main body prevented from being polluted and corroded by dirt on the bearing surface, but also moisture on the bearing surface can not erode the current and voltage detection main body, and therefore, the cleaning frequency of the current and voltage detection main body is reduced, and the service life of the current and voltage detection main body is prolonged;
When the rotation angles of the two support rods at the front part and the rotation angles of the two support rods at the rear part are inconsistent, the support heights of the two support rods at the front part and the support heights of the two support rods at the rear part are inconsistent, so that the current and voltage detection main body is obliquely supported, and the display area on the current and voltage detection main body can be opposite to a person, therefore, the person is not required to bend down to watch the display area, and the use of the current and voltage detection main body is facilitated;
Through the water retaining structure, when the current and voltage detection main body is fixed at any position through four support rods, the magnetic attraction blocks can be pulled to drive the waterproof cloth to be pulled, at the moment, the rotating rod is rotated, the two coil springs are contracted and extruded to pull the magnetic attraction blocks to the magnetic attraction grooves, the magnetic attraction blocks are fixedly attracted to the magnetic attraction grooves, at the moment, the two sliding blocks are pushed again, the two sliding blocks are respectively contacted with the tops of the magnetic attraction blocks at two sides, the magnetic attraction blocks are further fixedly completed at the positions of the magnetic attraction grooves, at the moment, the waterproof cloth thoroughly covers the tops of the current and voltage detection main body, the application range of the device is further enlarged, even if the device is used in a rainy day environment, rainwater cannot wet the tops of the current and voltage detection main body, so that the device is prevented from entering the detection plug, and even if the device is in a rainy environment, the device can still normally run;
Before using the waterproof cloth, the lifting frame is lifted to the highest position, so that after the waterproof cloth thoroughly covers the top of the current and voltage detection main body, the top cover can support the bottom of the waterproof cloth at the moment at the rear position, and the lifting frame can support the bottom of the waterproof cloth at the front position, so that the waterproof cloth cannot be in direct contact with the top of the current and voltage detection main body, and a person can conveniently use the connecting plug and the display area;
the position state between the sliding gear and the tooth groove can be freely switched by arranging the switching structure, when the sliding gear is positioned in the tooth groove, the first toothed ring of the sliding gear is in a fixed state, the supporting structure can normally operate, the supporting rod can only rotate in one direction, and when the sliding gear is separated from the tooth groove, the first toothed ring of the sliding gear is in a rotatable state, so that the supporting rod can be reset, and further, the supporting rod can be normally reset when the device is not used;
when the supporting rod is reset, the connecting rod is contacted with the top cover, so that the top cover is fixed, and when the device is not used, the top cover can be quickly fixed, and the situation that the top cover is accidentally opened, the display area and the connecting socket fall ash, and the top of the current and voltage detection main body is corroded is avoided;
Through convenient structure, rotate the dwang, can drive four sliding gear and four tooth grooves separation fast, need not to stimulate the sliding gear one by one, and then make the operation of switching structure more convenient rapidly, and then make its device's use preparation time shorten, and then make the detection efficiency of device promote;
when sliding gear and tooth's socket separation to four bearing structure only to carrying out the vertical high support of current voltage detection main part, when not taking place the slope and supporting, accessible rotation pivot drives four bracing pieces and rotates in step and reset, makes and need not to rotate one by one and resets, has convenient storage efficiency after the device uses.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a detection device for transformer safety according to the present invention;
Fig. 2 is a schematic diagram of the structure of the detecting device for power transformation safety after the top cover is opened and the lifting frame is lifted;
fig. 3 is a schematic diagram of a support structure of the detection device for power transformation safety after the analysis and disassembly of a fixed cover;
Fig. 4 is a schematic diagram showing analysis and separation of a supporting structure of a detection device for power transformation safety according to the present invention;
FIG. 5 is a side view of a toothed ring and ratchet arrangement of a detection device for electrical safety in accordance with the present invention;
fig. 6 is a view showing the analysis and separation of a water retaining structure of the detection device for power transformation safety;
fig. 7 is a view of the rear view of a water blocking structure of the detection device for power transformation safety according to the present invention;
fig. 8 is a schematic diagram of a waterproof cloth structure of a detection device for transformer safety according to the present invention;
fig. 9 is a diagram showing a switching structure analysis and separation of the detection device for power transformation safety according to the present invention;
Fig. 10 is a horizontal split view of a large gear and a sliding gear of the detection device for substation safety according to the present invention;
Fig. 11 is a convenient structural analysis and disassembly diagram of the detection device for power transformation safety;
fig. 12 is a schematic diagram of the structure of a briquette and a truncated cone of the detection device for transformer safety.
In the figure: 1. a current-voltage detecting body; 2. a top cover; 3. a support structure; 4. a water retaining structure; 5. a convenient structure; 6. a display area; 7. a connection plug; 8. a switch; 9. a lifting frame; 10. a support rod; 11. a first toothed ring; 12. a ratchet wheel; 13. a spring; 14. a ball; 15. a connecting rod; 16. waterproof cloth; 17. a fixed box; 18. a coil spring; 19. a magnetic attraction groove; 20. a slide block; 21. a magnetic suction block; 22. a rotating rod; 23. a switching structure; 24. a sliding gear; 25. a large toothed ring; 26. a large gear; 27. a rotating shaft; 28. a limiting block; 29. a sleeve; 30. tooth slots; 31. a transmission chute; 32. a transmission groove; 33. a rotating lever; 34. a thread groove; 35. briquetting; 36. a circular groove; 37. conical frustum block.
Detailed Description
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
Example 1
As shown in fig. 1-12, a detection device for power transformation safety comprises a current and voltage detection main body 1, wherein a top cover 2 is rotatably installed at the top of the current and voltage detection main body 1, a display area 6 is arranged at the top of the current and voltage detection main body 1, two connecting plugs 7 are installed at the rear part of the display area 6 at the top of the current and voltage detection main body 1, a switch 8 is installed at the front part of the display area 6 at the top of the current and voltage detection main body 1, fixed covers are rotatably installed at two sides of the current and voltage detection main body 1, and two support structures 3 are arranged at two sides of the current and voltage detection main body 1.
The supporting structure 3 comprises a supporting rod 10, a toothed ring I11 is arranged on one side of the current and voltage detection main body 1 near the front part and positioned in the fixed cover, a ratchet wheel 12 is rotatably arranged on one side of the current and voltage detection main body 1 positioned in the toothed ring I11, the tooth surface of the ratchet wheel 12 consists of a plurality of vertical sides and oblique sides, each vertical side of the ratchet wheel 12 is fixedly connected with a spring 13, one end of each spring 13 is fixedly connected with a ball 14, and the side surface of the ratchet wheel 12 is fixedly connected with the inner side of the supporting rod 10 near the bottom.
In this embodiment, the diameter of the ratchet 12 is identical to the diameter of the inner ring of the first toothed ring 11, and a rubber anti-slip pad is fixedly installed on the top of the support rod 10.
The supporting rod 10 rotates anticlockwise, drives the ratchet 12 to rotate anticlockwise together, and then drives the plurality of balls 14 to rotate anticlockwise together through the plurality of springs 13, at this time, the balls 14 are directly contacted with the inner ring of the toothed ring one 11, when the supporting rod 10 rotates clockwise, the ratchet 12 rotates clockwise together with the plurality of springs 13 and the plurality of balls 14, at this time, the inclined surface of the ratchet 12 can squeeze the balls 14, so that the balls 14 are squeezed by the inclined surface of the ratchet 12 and the inner ring of the toothed ring one 11, and are fixed, and therefore, the ratchet 12 and the supporting rod 10 cannot rotate clockwise, and therefore, the supporting rod 10 can only rotate anticlockwise, and then the four supporting rods 10 rotate anticlockwise, can be fixed at any angle, and further, the current and voltage detection main body 1 can be supported at any height and any angle by the supporting rod 10.
In this embodiment, be provided with water retaining structure 4 between four spinal branch vaulting poles 10, water retaining structure 4 includes waterproof cloth 16, all rotate between two spinal branch vaulting poles 10 near the front and be connected with connecting rod 15 between two spinal branch vaulting poles 10 near the rear, the inside rotation of connecting rod 15 near the front is connected with bull stick 22, waterproof cloth 16 twines in the surface of bull stick 22, the rear fixedly connected with magnetic attraction piece 21 of connecting rod 15 near the front is run through to one end of waterproof cloth 16, all fixedly connected with fixed box 17 near the top near the looks far away side of two spinal branch vaulting poles 10 near the front, the both ends of bull stick 22 run through the inside of two fixed box 17 respectively and all fixedly connected with coil spring 18, magnetism suction groove 19 has been seted up near the front portion of connecting rod 15 of rear, one side run through the opposite side of two spinal branch vaulting poles 10 near the rear is located magnetism suction groove 19's front portion all sliding connection has slider 20.
When the current and voltage detection main body 1 is fixed at any position through the four support rods 10, the magnetic attraction blocks 21 can be pulled to drive the waterproof cloth 16 to be pulled, at the moment, the rotating rod 22 is rotated, the two coil springs 18 are contracted and extruded to pull the magnetic attraction blocks 21 to the positions of the magnetic attraction grooves 19, the magnetic attraction blocks 21 are fixedly attracted to the magnetic attraction grooves 19, at the moment, the two sliding blocks 20 are pushed again to enable the two sliding blocks 20 to be respectively contacted with the tops of the magnetic attraction blocks 21 at two side positions, the magnetic attraction blocks 21 are further fixedly completed at the positions of the magnetic attraction grooves 19, at the moment, the waterproof cloth 16 thoroughly covers the tops of the current and voltage detection main body 1, when the waterproof cloth 16 needs to be retracted, the fixing of the magnetic attraction blocks 21 is released, the two coil springs 18 are reset to drive the rotating rod 22 to be reset together with the waterproof cloth 16, and further the waterproof cloth 16 is stored back into the connecting rod 15 at the front.
In this embodiment, one end of the coil spring 18 is fixedly connected to the inner wall of the fixed case 17, and the magnetic block 21 is adapted to the magnetic groove 19.
In this embodiment, the cross section of the connecting rod 15 is square, and the lifting frame 9 is mounted on the front part of the current-voltage detecting body 1.
Before using the waterproof cloth 16, the lifting frame 9 is lifted to the highest position, so that after the waterproof cloth 16 thoroughly covers the top of the current and voltage detection main body 1, the top cover 2 of the waterproof cloth can support the bottom of the waterproof cloth 16 at the rear position, and the lifting frame 9 can support the bottom of the waterproof cloth 16 at the front position, so that the waterproof cloth 16 cannot be in direct contact with the top of the current and voltage detection main body 1, and a person still conveniently uses the connecting plug 7 and the display area 6.
In this embodiment, the switching structure 23 is disposed on two sides of the current-voltage detecting body 1, the switching structure 23 includes four sliding gears 24, two large toothed rings 25 meshed with each other are rotatably connected on two sides of the current-voltage detecting body 1, two tooth grooves 30 are formed on two sides of the current-voltage detecting body 1, two rotating shafts 27 are rotatably mounted in the current-voltage detecting body 1, two symmetrical sleeves 29 are rotatably connected on outer surfaces of the rotating shafts 27, the four sliding gears 24 are respectively located in the four tooth grooves 30, one end of each sleeve 29 penetrates through a side surface of the current-voltage detecting body 1 and a side surface of each sliding gear 24 to be fixedly connected, a transmission groove 32 penetrates through one side of each rotating shaft 27, transmission sliding grooves 31 are formed on two ends of the outer surfaces of the rotating shafts 27, the sliding gears 24 are in sliding connection with the rotating shafts 27 through adaptive matching of the transmission grooves 32 and the transmission sliding grooves 31, limiting blocks 28 penetrate through two ends of the two sliding gears 24 respectively, and the other sides of the supporting rods 10 are fixedly mounted on the bottom of the other sides of the supporting rods 10.
When the sliding gear 24 is located at the tooth slot 30, the sliding gear 24 is clamped with the tooth slot 30, so that the sliding gear 24 is in a fixed state, and then the large toothed ring 25 and the first toothed ring 11 are both in a fixed state, so that the supporting structure 3 can normally operate.
Pulling the four sliding gears 24 causes the four sliding gears 24 to disengage from the four tooth grooves 30, respectively, and thus the four sliding gears 24 and even the four large toothed rings 25 are rotatable, and since the first toothed ring 11 is meshed with the large toothed ring 25, when the large toothed ring 25 is in a rotatable state, the first toothed ring 11 thereof is rotatable, so that when the ratchet 12 rotates clockwise, even if the ball 14 is pressed by the inclined surface of the ratchet 12, the ratchet 12 can rotate clockwise due to the rotatable first toothed ring 11 at this time, and thus the support bar 10 can rotate clockwise.
The two support structures 3 near the front and the two support structures 3 near the rear can be simultaneously driven to run together through the two connecting rods 15, when the four supporting rods 10 are in an initial state, the two connecting rods 15 are in contact with the top of the top cover 2, so that the top cover 2 is fixed under the action of the two connecting rods 15, when the supporting rods 10 rotate anticlockwise, the connecting rods 15 are in rotary connection with the supporting rods 10, and the cross sections of the connecting rods 15 are square, so that the supporting rods 10 rotate anticlockwise to drive the connecting rods 15 to rotate anticlockwise together, the connecting rods 15 are in contact with the top cover 2 and rotate, and the situation that the supporting rods 10 cannot rotate due to the contact of the connecting rods 15 with the top cover 2 is avoided.
When the sliding gear 24 is separated from the tooth slot 30 and the sliding gear 24 contacts with the limiting block 28, at this time, the sliding gear 24 is meshed with the big gear 26, so that the front rotating shaft 27 is rotated, through the mutual matching of the front two transmission sliding grooves 31 and the front two transmission grooves 32, the front two sliding gears 24, together with the front two sleeves 29 and the front two big gear rings 25, can be driven to rotate, the front two big gear rings 25 rotate to drive the rear two big gear rings 25 to rotate, and the rear rotating shaft 27 further drives the rear two sliding gears 24 to rotate together, so that the four big gears 26 can be driven to rotate together, and the front two big gears 26 and the rear two big gears 26 are opposite in rotation direction, so that the four supporting rods 10 can be driven to synchronously reset.
In this embodiment, the large gear 26 is adaptively matched with the sliding gear 24, the large gear ring 25 is engaged with the first gear ring 11, and the sliding gear 24 is engaged with the tooth slot 30.
In this embodiment, the large gear 26 is identical to the large ring gear 25 in diameter, and the sliding gear 24 is identical to the ring gear 11 in diameter.
In this embodiment, the inside of the current-voltage detecting body 1 is provided with a convenient structure 5, the convenient structure 5 includes a rotating rod 33, two pairs of pressing blocks 35 are slidably mounted in the current-voltage detecting body 1, the rotating rod 33 is rotatably mounted in the current-voltage detecting body 1, two thread grooves 34 are formed in the outer surface of the rotating rod 33, circular grooves 36 are formed between the pair of pressing blocks 35 near the front and between the pair of pressing blocks 35 near the rear, and cone blocks 37 are fixedly connected to the approaching ends of the two sleeves 29 near the front and the approaching ends of the two sleeves 29 near the rear.
In this embodiment, the circular groove 36 is adaptively matched with the rotating shaft 27, the threaded groove 34 is formed by connecting two small threaded grooves with opposite threaded directions, two pairs of pressing blocks 35 are respectively in threaded connection with the rotating rod 33 through the two threaded grooves 34, and the pressing blocks 35 are adaptively matched with the truncated cone 37.
It should be noted that, the present invention is a detection device for power transformation safety, when in use, two fixing covers are rotated, four supporting structures 3 are operated, the top cover 2 is opened, at this time, one end of an external connecting wire is connected with a device to be detected, the other end is connected with the current and voltage detection main body 1 through two connecting plugs 7, after the connection is completed, the device to be detected can be detected for relevant data, and the detection result is presented through the display area 6.
The patent document cited in the background art, with publication number CN117630433a, discloses the detection principle of the current-voltage detection body 1 to the device to be detected, and therefore, will not be described in detail here.
The operation step of the supporting structure 3 is that the supporting rod 10 rotates anticlockwise to drive the ratchet 12 to rotate anticlockwise together, and then the plurality of balls 14 are driven to rotate anticlockwise together through the plurality of springs 13, at this time, the balls 14 are directly contacted with the inner ring of the first toothed ring 11, when the supporting rod 10 rotates clockwise, the ratchet 12 rotates clockwise together with the plurality of springs 13 and the plurality of balls 14, at this time, the inclined surface of the ratchet 12 can squeeze the balls 14, so that the balls 14 are squeezed by the inclined surface of the ratchet 12 and the inner ring of the first toothed ring 11, and are fixed, and therefore, the ratchet 12 and the supporting rod 10 can not rotate clockwise, and therefore, the supporting rod 10 can only rotate anticlockwise and further, the four supporting rods 10 can be fixed at any angle, and further, the current voltage detecting main body 1 can be supported at any height and any angle by the supporting rod 10.
When the current and voltage detection main body 1 is fixed at any position through the four support rods 10, the magnetic attraction blocks 21 can be pulled to drive the waterproof cloth 16 to be pulled, at the moment, the rotating rod 22 is rotated, the two coil springs 18 are contracted and extruded to pull the magnetic attraction blocks 21 to the positions of the magnetic attraction grooves 19, the magnetic attraction blocks 21 are fixedly attracted to the magnetic attraction grooves 19, at the moment, the two sliding blocks 20 are pushed again to enable the two sliding blocks 20 to be respectively contacted with the tops of the magnetic attraction blocks 21 at two side positions, the magnetic attraction blocks 21 are further fixedly completed at the positions of the magnetic attraction grooves 19, at the moment, the waterproof cloth 16 thoroughly covers the tops of the current and voltage detection main body 1, when the waterproof cloth 16 needs to be retracted, the fixing of the magnetic attraction blocks 21 is released, the two coil springs 18 are reset to drive the rotating rod 22 to be reset together with the waterproof cloth 16, and further the waterproof cloth 16 is stored back into the connecting rod 15 at the front.
Before using the waterproof cloth 16, the lifting frame 9 is lifted to the highest position, so that after the waterproof cloth 16 thoroughly covers the top of the current and voltage detection main body 1, the top cover 2 of the waterproof cloth can support the bottom of the waterproof cloth 16 at the rear position, and the lifting frame 9 can support the bottom of the waterproof cloth 16 at the front position, so that the waterproof cloth 16 cannot be in direct contact with the top of the current and voltage detection main body 1, and a person can still conveniently use the connecting plug 7 and the display area 6.
When the sliding gear 24 is located at the tooth slot 30, the sliding gear 24 is clamped with the tooth slot 30, so that the sliding gear 24 is in a fixed state, and then the large toothed ring 25 and the first toothed ring 11 are both in a fixed state, so that the supporting structure 3 can normally operate.
Pulling the four sliding gears 24 causes the four sliding gears 24 to disengage from the four tooth grooves 30, respectively, and thus the four sliding gears 24 and even the four large toothed rings 25 are rotatable, and since the first toothed ring 11 is meshed with the large toothed ring 25, when the large toothed ring 25 is in a rotatable state, the first toothed ring 11 thereof is rotatable, so that when the ratchet 12 rotates clockwise, even if the ball 14 is pressed by the inclined surface of the ratchet 12, the ratchet 12 can rotate clockwise due to the rotatable first toothed ring 11 at this time, and thus the support bar 10 can rotate clockwise.
The two support structures 3 near the front and the two support structures 3 near the rear can be simultaneously driven to run together through the two connecting rods 15, when the four supporting rods 10 are in an initial state, the two connecting rods 15 are in contact with the top of the top cover 2, so that the top cover 2 is fixed under the action of the two connecting rods 15, when the supporting rods 10 rotate anticlockwise, the connecting rods 15 are in rotary connection with the supporting rods 10, and the cross sections of the connecting rods 15 are square, so that the supporting rods 10 rotate anticlockwise to drive the connecting rods 15 to rotate anticlockwise together, the connecting rods 15 are in contact with the top cover 2 and rotate, and the situation that the supporting rods 10 cannot rotate due to the contact of the connecting rods 15 with the top cover 2 is avoided.
When the sliding gear 24 is separated from the tooth slot 30 and the sliding gear 24 contacts with the limiting block 28, at this time, the sliding gear 24 is meshed with the big gear 26, so that the front rotating shaft 27 is rotated, through the mutual matching of the front two transmission sliding grooves 31 and the front two transmission grooves 32, the front two sliding gears 24, together with the front two sleeves 29 and the front two big gear rings 25, can be driven to rotate, the front two big gear rings 25 rotate to drive the rear two big gear rings 25 to rotate, and the rear rotating shaft 27 further drives the rear two sliding gears 24 to rotate together, so that the four big gears 26 can be driven to rotate together, and the front two big gears 26 and the rear two big gears 26 are opposite in rotation direction, so that the four supporting rods 10 can be driven to synchronously reset.
The rotating rod 33 is rotated, because the thread groove 34 is formed by connecting two small thread grooves with opposite thread directions, the two pairs of pressing blocks 35 are respectively connected with the rotating rod 33 through the two thread grooves 34, so that the rotating rod 33 rotates to drive the two pressing blocks 35 at the front part to slide close to each other, and also drive the two pressing blocks 35 at the rear part to slide close to each other, so that the pressing blocks 35 are extruded with the cone block 37, the sleeve 29 and the sliding gear 24 slide along the rotating shaft 27 until the two pressing blocks 35 positioned in the same pair are contacted with each other, at the moment, the sliding gear 24 is separated from the tooth groove 30, the sliding gear 24 is released from the limiting block 28, and the four sliding gears 24 are respectively contacted with the four limiting blocks 28, so that the sliding gears 24 do not need to be pulled one by one.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims.
Claims (4)
1. The utility model provides a detection device for transformer safety, includes electric current voltage detection main part (1), top cap (2) are installed in the top rotation of electric current voltage detection main part (1), display area (6) have been seted up at the top of electric current voltage detection main part (1), two connecting plugs (7) are installed at the rear portion that the top of electric current voltage detection main part (1) is located display area (6), switch (8) are installed at the front portion that the top of electric current voltage detection main part (1) is located display area (6), its characterized in that: the two sides of the current and voltage detection main body (1) are rotatably provided with fixed covers, and two support structures (3) are arranged on the two sides of the current and voltage detection main body (1);
The supporting structure (3) comprises a supporting rod (10), one side of the current and voltage detection main body (1) is close to the front and is positioned in the fixed cover, a toothed ring I (11) is arranged in the fixed cover, a ratchet wheel (12) is rotatably arranged in the toothed ring I (11) on one side of the current and voltage detection main body (1), the tooth surface of the ratchet wheel (12) consists of a plurality of vertical sides and oblique sides, each vertical side of the ratchet wheel (12) is fixedly connected with a spring (13), one end of each spring (13) is fixedly connected with a ball (14), and the side surface of the ratchet wheel (12) is fixedly connected with the inner side of the supporting rod (10) close to the bottom; the support rod (10) is used for supporting the current and voltage detection main body (1) so that the current and voltage detection main body (1) is isolated from the bearing surface;
The novel water-retaining structure comprises four support rods (10), wherein a water-retaining structure (4) is arranged between the four support rods (10), the water-retaining structure (4) comprises waterproof cloth (16), connecting rods (15) are respectively and rotatably connected between the two support rods (10) at the front part and between the two support rods (10) at the rear part, a rotating rod (22) is rotatably connected inside the connecting rods (15) at the front part, the waterproof cloth (16) is wound on the outer surface of the rotating rod (22), one end of the waterproof cloth (16) penetrates through the rear part of the connecting rod (15) at the front part and is fixedly connected with a magnetic suction block (21), fixing boxes (17) are respectively and fixedly connected to the far sides of the two support rods (10) at the front part, two ends of the rotating rod (22) respectively penetrate through the inner parts of the two fixing boxes (17) and are fixedly connected with coil springs (18), a magnetic suction groove (19) is formed in the front part of the connecting rod (15) at the rear part, and one side of the two support rods (10) at the rear part penetrates through the other side and is in sliding connection with a sliding block (20) at the front part of the magnetic suction groove (19);
One end of the coil spring (18) is fixedly connected with the inner wall of the fixed box (17), and the magnetic attraction block (21) is adaptively matched with the magnetic attraction groove (19);
The utility model discloses a current voltage detection main part (1), including current voltage detection main part (1), the both sides of current voltage detection main part (1) are provided with switch structure (23), switch structure (23) include four sliding gear (24), the both sides of current voltage detection main part (1) all rotate and are connected with two intermeshing's big ring gear (25), two tooth's socket (30) have all been seted up to the both sides of current voltage detection main part (1), two pivot (27) are installed in the inside rotation of current voltage detection main part (1), the surface rotation of pivot (27) is connected with two sleeve (29) that are symmetrical each other, four sliding gear (24) are located the inside of four tooth's socket (30) respectively, the side fixed connection of one end of sleeve (29) run through the side of current voltage detection main part (1) and the side of sliding gear (24), transmission groove (32) have been seted up to one side run through the opposite side of pivot (27), transmission chute (31) have all been seted up to the surface of pivot (27) by both ends, sliding gear (24) are through the adaptability of transmission groove (32) and transmission chute (31) and sliding connection, both ends of pivot (27) are kept away from respectively sliding gear (28) respectively, a large gear (26) is fixedly arranged at the other side of the supporting rod (10) near the bottom;
The large gear (26) is adaptively matched with the sliding gear (24), the large gear ring (25) is meshed with the first gear ring (11), and the sliding gear (24) is clamped with the tooth groove (30);
the diameter of the large gear (26) is consistent with that of the large gear ring (25), and the diameter of the sliding gear (24) is consistent with that of the first gear ring (11);
The inside of electric current voltage detects main part (1) is provided with convenient structure (5), convenient structure (5) are including dwang (33), the inside slidable mounting of electric current voltage detects main part (1) has two pairs of briquetting (35), dwang (33) rotate the inside of installation and electric current voltage detects main part (1), two screw thread grooves (34) have been seted up to the surface of dwang (33), lean on between a pair of briquetting (35) of front portion and between a pair of briquetting (35) of back portion all offered circular slot (36), lean on two of front portion sleeve (29) be close to mutually the end and lean on the equal fixedly connected with cone frustum piece (37) of the end that is close to mutually of two sleeves (29) of back portion.
2. The detection device for power transformation safety according to claim 1, wherein: the diameter of the ratchet wheel (12) is consistent with the diameter of the inner ring of the first toothed ring (11), and a rubber anti-slip pad is fixedly arranged at the top of the supporting rod (10).
3. The detection device for power transformation safety according to claim 1, wherein: the cross section of the connecting rod (15) is square, and the lifting frame (9) is arranged at the front part of the current and voltage detection main body (1).
4. The detection device for power transformation safety according to claim 1, wherein: the round groove (36) is adaptively matched with the rotating shaft (27), the thread groove (34) is formed by connecting two small thread grooves with opposite thread directions, two pairs of pressing blocks (35) are respectively in threaded connection with the rotating rod (33) through the two thread grooves (34), and the pressing blocks (35) are adaptively matched with the cone frustum blocks (37).
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| CN202411000747.7A CN118518923B (en) | 2024-07-25 | 2024-07-25 | A detection device for power substation safety |
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| US4087771A (en) * | 1976-10-26 | 1978-05-02 | Holwager George H | Electrical switch |
| CN112590424B (en) * | 2020-12-17 | 2021-09-10 | 杭州简弈科技有限公司 | A mechanical gear pen |
| CN116479771A (en) * | 2023-04-23 | 2023-07-25 | 中交第二公路工程局有限公司 | A rotatable tie rod installed on the top of the I-beam formwork |
| CN219608258U (en) * | 2023-05-30 | 2023-08-29 | 深圳市合元科技有限公司 | Temperature detection device and detection system |
| CN116943944A (en) * | 2023-07-03 | 2023-10-27 | 无锡科捷化学有限公司 | Damping oil smearing device capable of adjusting angle |
| CN117330789B (en) * | 2023-09-28 | 2024-07-09 | 国网山东省电力公司费县供电公司 | A device for measuring electric power of a power grid |
| CN117331003B (en) * | 2023-09-28 | 2024-06-04 | 国网山东省电力公司费县供电公司 | A magnetic variable measuring device |
| CN117415063A (en) * | 2023-11-13 | 2024-01-19 | 国网山东省电力公司荣成市供电公司 | A dust cleaning device for transformer equipment |
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| CN107788987A (en) * | 2017-12-04 | 2018-03-13 | 河南中医药大学 | A kind of nuclear magnetic resonance check fixing device |
| CN116173689A (en) * | 2023-04-24 | 2023-05-30 | 北京科力丹迪技术开发有限责任公司 | Gas membrane separation device with sampling detection structure and use method thereof |
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