10kV three-element anti-resonance combined transformer for metering

Abstract

The 10kV three-element anti-resonance metering combined mutual inductor comprises a Y-shaped external expansion frame, a hoop part used for being connected with an electric pole is installed on the closing-in portion of the Y-shaped external expansion frame, a first U-opening frame is fixed to the end, away from the hoop part, of the Y-shaped external expansion frame, a second U-opening frame is welded to the top end of the first U-opening frame, and the second U-opening frame is fixed to the end, away from the hoop part, of the Y-shaped external expansion frame. The outer walls of the two sides of the first U-opening frame are each provided with a completely-through locking hole. The two sides of the bottom end of the three-element anti-resonance combined mutual inductor are provided with elastic cross beams used for being in sliding fit with the second U-opening frame. The design of the worm and gear self-locking transmission case and the opposite-direction type double-connecting-rod pushing assembly is adopted, accurate adjustment can be achieved through mechanical transmission, and installation can be completed by workers only through simple operation; the self-locking function of the worm and gear self-locking transmission case ensures that the position of the device can be stably locked under the condition that continuous force application is not needed.

Description

Technical Field

[0001] The invention relates to the technical field of combined mutual inductors, in particular to a 10kV three-element combined mutual inductor for anti-resonance measurement. Background Art

[0002] The 10kV three-element anti-resonance metering combined transformer is widely used in the fields of electric energy metering, harmonic monitoring, system protection and data transmission. Its main function is to calculate the active and reactive power by accurately measuring the current and voltage in the high-voltage power system, ensuring the accurate measurement of electric energy, thereby providing reliable electric energy consumption data for power users; in addition, the equipment can effectively monitor the harmonic phenomenon in the power system, avoid power quality problems caused by harmonics, and protect the safe operation of the equipment. The combined transformer is composed of a current transformer and a voltage transformer, and uses the principle of electromagnetic induction to convert high voltage and large current into low voltage and small current signals for subsequent processing and monitoring.

[0003] For example, Chinese invention patent CN114664517B relates to a current transformer, including a transformer body, wherein the transformer body is arranged in a moving assembly, wherein the moving assembly includes a moving box, a connecting assembly and a moving cover, wherein a placement opening is provided on the moving box, and the moving cover is movably connected to one end of the moving box with the placement opening through the connecting assembly; the transformer is difficult to install and has low installation accuracy.

[0004] For example, Chinese invention patent CN118366747B relates to the field of mutual inductors, and in particular to a pillar-type current mutual inductor. The pillar-type current mutual inductor comprises a sealed shell and a driving mechanism, wherein an armature, a first winding and a second winding are arranged in the sealed shell, and a first connection end and a second connection end are connected to the outer side of the sealed shell, wherein the first connection end is electrically connected to the first winding; the mutual inductor has poor support and low stability.

[0005] However, when the three-phase component mutual inductor in the above technical solution is installed on the pole in the power system, the bracket of the combined mutual inductor needs to be fixed to the pole. The installation of the bracket usually requires the use of bolts to firmly fix the bracket on the pole, and the use of lifting equipment to lift the combined mutual inductor to a predetermined position. In this process, a number of bolts are used to fasten the combined mutual inductor and the bracket. The height and installation position of the pole often determine the complexity of the operating environment. The structure of the pole itself and other equipment such as cables and brackets may occupy a certain space, making the operating space of the staff very narrow, resulting in the need for the staff to constantly adjust their posture and move tools and equipment when tightening the bolts. In this case, the installation and tightening of the bolts becomes more difficult.

[0006] At the same time, when external wind forces and the like exert force on the three-element anti-resonance combination transformer, the position of the three-element anti-resonance combination transformer will change, which will not only affect the installation stability of the three-element anti-resonance combination transformer, but also cause damage to the cables above the three-element anti-resonance combination transformer, and ultimately affect the safety and stability of the three-element anti-resonance combination transformer.

[0007] After long-term use, a large amount of dust and impurities are likely to accumulate on the outer surface of the three-element anti-resonance combination transformer, and some birds and insects will also stay on the outer surface of the three-element anti-resonance combination transformer, which can easily cause problems such as short circuit in the three-element anti-resonance combination transformer. Summary of the invention

[0008] The object of the present invention is to provide a 10kV three-element anti-resonance metering combined transformer to solve the problems raised in the above background technology.

[0009] To achieve the above object, the present invention provides the following technical solution: a 10kV three-element anti-resonance metering combined transformer, comprising: A Y-shaped expansion frame, the closing part of which is provided with a clamp for connecting to the pole, a first U-shaped frame fixed to one end of the Y-shaped expansion frame away from the clamp, and a second U-shaped frame welded to the top of the first U-shaped frame, both sides of the first U-shaped frame are provided with completely penetrating locking holes, and a plurality of pressure sensors are evenly arranged inside the locking holes; A three-element anti-resonance combination transformer, wherein elastic beams for slidingly cooperating with a second U-shaped frame are installed on both sides of the bottom end of the three-element anti-resonance combination transformer, a longitudinal pressure beam is arranged above the elastic beam, and electric pull rods are arranged on both sides of the top of the longitudinal pressure beam, a plurality of exhaust fans are installed on one side of the top of the second U-shaped frame, and exhaust ports are opened on the side of the exhaust fans close to the three-element anti-resonance combination transformer, a support frame is fixed to the bottom ends of the two elastic beams, and conical columns are slidably installed on the outer walls of both sides of the support frame; An opposed double-link push assembly is arranged at the bottom end of the support frame.

[0010] The change in pressure value detected by multiple pressure sensors corresponds to the change in the position of the three-element anti-resonance combination mutual inductor above the second U-port frame, and the electric pull rod drives the longitudinal pressure beam to move up and down to drive the elastic cross beam to move, thereby adjusting the position of the three-element anti-resonance combination mutual inductor. When the longitudinal pressure beam moves up and down, the blockage area of ​​the exhaust outlet changes, and the exhaust outlet performs pulse wind force adjustment on the outer surface of the three-element anti-resonance combination mutual inductor, thereby ensuring the continuous and stable operation of the three-element anti-resonance combination mutual inductor.

[0011] Preferably, the clamp member includes a right clamp fixed to the closing part of the Y-shaped expansion frame and a left clamp used to form a ring structure with the right clamp, and the outer walls on both sides of the right clamp and the left clamp are integrally formed with connecting feet for bolt connection, and a through hole for the expansion screw to pass through is opened on the outer wall of one side of the left clamp, and the Y-shaped expansion frame, the right clamp and the left clamp are all made of alloy steel components.

[0012] Preferably, the bottom output end of the electric pull rod passes through the second U-frame and is fixedly connected to the top of the first U-frame, the second U-frame and the elastic cross beam are located between the first U-frame and the longitudinal pressure beam, and one side outer wall of the exhaust fan is in contact with one side outer wall of the second U-frame.

[0013] Preferably, the bottom end of the elastic cross beam is provided with a convex groove for sliding cooperation with the second U-mouth frame, the support frame is used to contact the end of the second U-mouth frame after the elastic cross beam and the second U-mouth frame are slidably assembled, and the conical column is concentric with the locking hole after the elastic cross beam and the second U-mouth frame are slidably assembled.

[0014] Preferably, the opposed double-link pushing assembly includes a transmission shaft rotatably installed on both sides of the bottom end of the three-element anti-resonance combination transformer, a gear transmission structure installed between the two transmission shafts for maintaining power connection, a double-headed conical plate rotatably installed on both sides of the bottom end of the support frame, and a right-angle seat slidably installed on both sides of the bottom end of the support frame.

[0015] Preferably, a connecting rod swing-push structure for driving the double-headed conical plate to rotate is installed at the bottom end of the transmission shaft, and a wheel embedment structure for driving the right-angle seat to slide is installed at the bottom end of the double-headed conical plate. The double-headed conical plate is located on the inner side of the two elastic beams, and one end of the conical column is fixedly connected to one side outer wall of the right-angle seat.

[0016] Preferably, the connecting rod swing-pushing structure includes a main swing head fixed at the bottom end of the transmission shaft and a flat-head connecting rod unit hingedly mounted at one end of the main swing head, the end of the flat-head connecting rod unit away from the transmission shaft is hingedly mounted to one end of a double-headed conical plate, and the gear transmission structure is a gear plate mounted on the two transmission shafts, and the two gear plates are meshed with each other.

[0017] Preferably, the wheel embedding structure is a straight groove arranged inside the right-angle seat and a roller rotatably installed on the bottom end of the double-headed conical plate, the roller is located in the straight groove, a dovetail sleeve is fixed on the inner wall of one side of the right-angle seat, and a dovetail track for the dovetail sleeve to slide is fixed on the back of the support frame.

[0018] Preferably, the opposing double-link pushing assembly is used to drive the two conical cylinders to slide toward each other and allow the conical cylinders and locking holes to be plugged in, and a worm gear self-locking transmission box for driving the opposing double-link pushing assembly is installed on one side of the bottom end of the three-element anti-resonance combination transformer.

[0019] Preferably, the exhaust port is opposite to the working surface of the three-element anti-resonance combination transformer, the longitudinal pressure beam corresponds to the exhaust port, the pressure sensor is used to detect the pressure value between the inner wall of the locking hole and the conical column, the elastic cross beam is elastic, the bottom of the longitudinal pressure beam is elastically squeezed and contacted with the top of the elastic cross beam, and the diameter of the conical column gradually decreases from one end of the support frame to the other end.

[0020] Compared with the prior art, the present invention has the following beneficial effects: 1. This 10kV three-element anti-resonance metering combined transformer can be installed on the pole efficiently and stably. It adopts the design of worm gear self-locking transmission box and opposing double-link push assembly, which can achieve precise adjustment through mechanical transmission.

[0021] 2. During the positioning process, the staff operates the worm gear self-locking transmission box to enable the tapered column to accurately dock with the locking hole, avoiding the problem of deviation or looseness caused by improper tightening of the bolts.

[0022] 3. When the electric pull rod drives the longitudinal pressure beam to move up and down and drives the elastic cross beam to move up and down, it can not only adjust the position of the three-element anti-resonance combination transformer, thereby ensuring the stability and accuracy of the position of the three-element anti-resonance combination transformer, but also cooperate with the clean gas discharged from the exhaust port to vibrate and clean the dust and impurities attached to the outer surface of the three-element anti-resonance combination transformer, and can also achieve the effect of driving away birds and insects. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the main structure of the present invention; Figure 2 The three-dimensional structure of the present invention is shown in FIG. Figure 1 ; Figure 3 The three-dimensional structure of the present invention is shown in FIG. Figure 2 ; Figure 4 The three-dimensional structure of the present invention is shown in FIG. Figure 3 ; Figure 5 It is a schematic diagram of the three-dimensional structure of the Y-shaped outward expansion frame of the present invention; Figure 6 It is a schematic diagram of the three-dimensional structure of the longitudinal compression beam of the present invention; Figure 7 The three-dimensional structure of the opposed double-link push assembly of the present invention is shown in FIG. Figure 1 ; Figure 8 The three-dimensional structure of the opposed double-link push assembly of the present invention is shown in FIG. Figure 2 .

[0024] In the figure: 1, Y-shaped expansion frame; 2, hoop; 201, right hoop; 202, left hoop; 203, connecting foot; 3, first U-shaped frame; 301, locking hole; 302, pressure sensor; 4, longitudinal pressure beam; 401, electric pull rod; 5, second U-shaped frame; 501, air blower; 502, exhaust port; 6, three-element anti-resonance combination transformer; 7, elastic crossbeam; 701, convex concave Groove; 8. Support frame; 9. Conical column; 10. Opposite double-link push assembly; 1001. Transmission shaft; 1002. Gear transmission structure; 1003. Connecting rod swing push structure; 10031. Main swing head; 10032. Flat-head connecting rod monomer; 1004. Double-headed conical plate; 10041. Roller; 1005. Right-angle seat; 10051. Straight groove; 11. Worm gear self-locking transmission box. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] Depend on Figures 1 to 4 The present invention includes a Y-shaped outward expansion frame 1, and the closing portion of the Y-shaped outward expansion frame 1 is installed with a clamping member 2 for connecting to the pole, and the clamping member 2 is fixed to the outer surface of the pole, so as to further improve the stability and fixation of the Y-shaped outward expansion frame 1, and a first U-mouth frame 3 is fixed to the end of the Y-shaped outward expansion frame 1 away from the clamping member 2, and a second U-mouth frame 5 is welded to the top of the first U-mouth frame 3, and the first U-mouth frame 3 and the second U-mouth frame 5 play a role of fixed support, and the outer walls on both sides of the first U-mouth frame 3 are provided with completely penetrating locking holes 301, and the locking holes 301 facilitate the realization of the locking function.

[0027] Three-element anti-resonance combination transformer 6. The combination transformer is a special transformer that converts the high voltage or high current of the primary circuit into the low voltage (100V) or rated secondary current (5A or 1A) of the secondary circuit. This can protect the safety of the staff and facilitate remote control, telemetry and appropriate changes to the secondary without interrupting the primary system. The working principle of the combination transformer is based on the principle of electromagnetic induction. The current transformer connects the primary winding in series to the circuit under test, which has little effect on the current and voltage of the circuit under test.

[0028] The voltage transformer converts the high voltage into a standard secondary voltage of 100V or lower in proportion to the voltage transformer, which is used for protection, metering and instrumentation. The rated voltage of the 10kV three-element combination transformer is 10kV, the rated frequency is 50Hz, the rated primary current ranges from 5A to 300A, and the rated secondary current is 5A. The accuracy level is 0.2, and the voltage transformer ratio is 10000 / 100V. Anti-resonance refers to the consideration of avoiding ferromagnetic resonance in the design of the transformer, which is especially important for high voltage transformers. Ferromagnetic resonance may cause equipment damage and inaccurate measurements.

[0029] Elastic beams 7 for slidingly cooperating with the second U-mouth frame 5 are installed on both sides of the bottom end of the three-element anti-resonance combination transformer 6. Support frames 8 are fixed to the bottom ends of the two elastic beams 7. The support frames 8 are used to contact the end of the second U-mouth frame 5 after the elastic beams 7 and the second U-mouth frame 5 are slidably assembled. Conical columns 9 are slidably installed on the outer walls of both sides of the support frames 8. The conical columns 9 are concentric with the locking holes 301 after the elastic beams 7 and the second U-mouth frame 5 are slidably assembled. The diameter of the conical column 9 gradually decreases from one end of the support frame 8 to the other end.

[0030] The opposing double-link pushing assembly 10 is arranged at the bottom end of the support frame 8, and is used to drive the two conical cylinders 9 to slide toward each other and enable the conical cylinders 9 and the locking holes 301 to be plugged in. Therefore, after the conical cylinders 9 are plugged in the locking holes 301, as the conical cylinders 9 continue to move, the plugging pressure between the conical cylinders 9 and the locking holes 301 changes accordingly. A worm gear self-locking transmission box 11 for driving the opposing double-link pushing assembly 10 to work is installed on one side of the bottom end of the three-element anti-resonance combination transformer 6.

[0031] Depend on Figure 5 and Figure 6The clamping member 2 includes a right clamping member 201 fixed to the closing portion of the Y-shaped expansion frame 1 and a left clamping member 202 used to form a ring structure with the right clamping member 201. The outer walls on both sides of the right clamping member 201 and the left clamping member 202 are integrally formed with connecting feet 203 for bolt connection. A through hole for the expansion screw to pass through is provided on one side of the outer wall of the left clamping member 202. The Y-shaped expansion frame 1, the right clamping member 201, and the left clamping member 202 are all made of alloy steel. When fixing the Y-shaped expansion frame 1, the staff initially fixes the Y-shaped expansion frame 1 to the three-element anti-resonance combination transformer 6 through the right clamping member 201 and the left clamping member 202. On the installed pole, the sizes of the right clamp 201 and the left clamp 202 need to be processed and used according to the on-site pole diameter, then the right clamp 201 and the left clamp 202 are connected together by connecting feet 203 and bolts to form a ring structure, and then the staff drives the expansion bolts into the pole through the through holes in the left clamp 202, so that the clamp part 2 is firmly installed on the pole to ensure the stability of the Y-shaped expansion frame 1; the installation operation of the clamp part 2 is simple, the staff only needs to place it on the pole and fix it with bolts, and at the same time ensure that the Y-shaped expansion frame 1 is firmly connected to the pole to reduce the risk of loosening due to external forces such as vibration and wind.

[0032] A longitudinal pressure beam 4 is arranged above the elastic cross beam 7, and electric pull rods 401 are arranged on both sides of the top of the longitudinal pressure beam 4. The bottom output end of the electric pull rod 401 passes through the second U-mouth frame 5 and is fixedly connected to the top of the first U-mouth frame 3. When the electric pull rod 401 is started and the output end is shortened, the electric pull rod 401 drives the end of the elastic cross beam 7 to move downward. The second U-mouth frame 5 and the elastic cross beam 7 are located between the first U-mouth frame 3 and the longitudinal pressure beam 4. An exhaust fan 501 is installed on one side of the top of the second U-mouth frame 5, and one side outer wall of the exhaust fan 501 is in contact with one side outer wall of the second U-mouth frame 5.

[0033] The staff starts the electric pull rod 401 and shortens the output end. The electric pull rod 401 causes the longitudinal pressure beam 4 to exert force downward, and further tightens the second U-mouth frame 5 and the elastic cross beam 7, so that the longitudinal pressure beam 4, the second U-mouth frame 5, the first U-mouth frame 3 and the elastic cross beam 7 form a solid frame structure, thereby providing multiple support points, effectively dispersing the load from the equipment, and preventing the equipment from shifting or shaking due to gravity or wind.

[0034] The bottom end of the elastic crossbeam 7 is provided with a convex groove 701 for sliding cooperation with the second U-mouth frame 5. The elastic crossbeam 7 is used to bear and distribute the weight of the three-element anti-resonance combination transformer 6, and connect the second U-mouth frame 5 and the first U-mouth frame 3 to ensure that the three-element anti-resonance combination transformer 6 is stably hung on the bracket, and the convex groove 701 on the lower surface of the elastic crossbeam 7 facilitates its own sliding cooperation with the second U-mouth frame 5.

[0035] Depend on Figure 7 and Figure 8 It is given that the opposed double-link pushing assembly 10 includes a transmission shaft 1001 rotatably installed on both sides of the bottom end of the three-element anti-resonance combination transformer 6, a gear transmission structure 1002 installed between the two transmission shafts 1001 for maintaining power connection, a double-headed conical plate 1004 rotatably installed on both sides of the bottom end of the support frame 8, and a right-angle seat 1005 slidably installed on both sides of the bottom end of the support frame 8.

[0036] The bottom end of the transmission shaft 1001 is provided with a connecting rod swinging and pushing structure 1003 for driving the double-headed conical plate 1004 to rotate, and the bottom end of the double-headed conical plate 1004 is provided with a wheel embedding structure for driving the right-angle seat 1005 to slide. The double-headed conical plate 1004 is located on the inner side of the two elastic beams 7, and one end of the conical column 9 is fixedly connected to the outer wall of one side of the right-angle seat 1005. The connecting rod swinging and pushing structure 1003 includes a main swinging head 10031 fixed to the bottom end of the transmission shaft 1001 and a flat-head connecting rod monomer 10032 hingedly installed at one end of the main swinging head 10031. One end of the flat-head connecting rod monomer 10032 away from the transmission shaft 1001 is hinged to one end of the double-headed conical plate 1004, and the gear transmission structure 1002 is a gear plate installed on the two transmission shafts 1001. The two gear plates are meshed with each other, and one of the transmission shafts 1001 is driven to rotate through the worm gear self-locking transmission box 11. The self-locking design of the worm gear self-locking transmission box 11 ensures that the opposing double-link pushing assembly 10 will not slide even in the absence of external force, thereby maintaining the installation stability of the three-element anti-resonance combination transformer 6.

[0037] The wheel embedding structure is a straight groove 10051 set inside the right-angle seat 1005 and a roller 10041 rotatably mounted at the bottom end of the double-headed conical plate 1004. The roller 10041 is located in the straight groove 10051. The two transmission shafts 1001 rotate synchronously and in opposite directions under the drive of the gear transmission structure 1002. The transmission shaft 1001 forces the double-headed conical plate 1004 to rotate through the main swing head 10031 and the flat head connecting rod monomer 10032. The roller 10041 at the bottom end of the conical plate 1004 is located in the straight groove 10051 of the right-angle seat 1005, and the rotational movement of the double-headed conical plate 1004 will be converted into a horizontal sliding movement of the right-angle seat 1005 and the conical column 9 through the roller 10041 and the straight groove 10051 until the conical column 9 enters the locking hole 301. The opposing double-link pushing assembly 10 can efficiently complete the synchronous pushing action of the two conical columns 9, reducing the difficulty of manual operation.

[0038] A dovetail sleeve is fixed on the inner wall of one side of the right-angle seat 1005, and a dovetail track for the dovetail sleeve to slide is fixed on the back of the support frame 8. The back of the support frame 8 is connected to the right-angle seat 1005 through the dovetail track and the dovetail sleeve to improve the sliding stability of the right-angle seat 1005.

[0039] After the conical column 9 is pushed into the locking hole 301 by the opposed double-link pushing assembly 10 and the worm gear self-locking transmission box 11, since the extension line of the central axis of the conical column 9 is perpendicular to the extension line of the elastic beam 7 and the first U-mouth frame 3, the plug-in cooperation between the conical column 9 and the locking hole 301 prevents the elastic beam 7 and the second U-mouth frame 5 from moving forward and backward and the elastic beam 7 and the three-element anti-resonance combination transformer 6 from jumping up and down, thereby ensuring that the three-element anti-resonance combination transformer 6 can be stably installed.

[0040] A plurality of pressure sensors 302 are evenly arranged inside the locking hole 301, and the pressure sensor 302 is used to detect the pressure value between the inner wall of the locking hole 301 and the conical column 9. An exhaust port 502 is provided on the side of the exhaust fan 501 close to the three-element anti-resonance combination transformer 6, and the air port 502 faces the working surface of the three-element anti-resonance combination transformer 6. The exhaust fan 501 is started and discharges clean gas along the exhaust port 502 to the three-element anti-resonance combination transformer 6. With the help of the gas, the outer surface of the three-element anti-resonance combination transformer 6 can be effectively cleaned by wind, thereby improving the dust-freeness and power-on property of the outer surface of the three-element anti-resonance combination transformer 6 Stability, the longitudinal pressure beam 4 corresponds to the exhaust port 502, the elastic cross beam 7 is elastic, and the bottom of the longitudinal pressure beam 4 is elastically squeezed and contacted with the top of the elastic cross beam 7. The elastic cross beam 7 can further improve the elastic support effect of the three-element anti-resonance combination transformer 6 by its own elasticity, thereby ensuring the stability and vibration resistance of the three-element anti-resonance combination transformer 6. At the same time, when the longitudinal pressure beam 4 moves downward, the longitudinal pressure beam 4 not only increases the downward squeezing force applied to the end of the elastic cross beam 7, but also drives the elastic cross beam 7 to undergo elastic deformation and correspondingly adjusts the blocking area of ​​the exhaust port 502, thereby realizing pulse wind cleaning of the exhaust port 502.

[0041] When the embodiment of the present application is in use, the staff first assembles the Y-shaped expansion frame 1 at the appropriate position of the pole through the clamping member 2. The clamping member 2 needs to be tightly connected to the pole through the expansion bolts to ensure that the Y-shaped expansion frame 1 is firmly fixed on the pole. At this stage, the staff only needs to align the clamping member 2 with the installation position of the pole and fix the clamping member 2 to the pole with bolts to ensure that subsequent operations can proceed smoothly.

[0042] Next, the staff hoisted the three-element anti-resonance combination transformer 6 to the designated position of the Y-shaped expansion frame 1 through the lifting equipment and the hoisting device, so that the Y-shaped expansion frame 1 was initially overlapped with the second U-shaped frame 5 through the two elastic beams 7. At this time, the staff slidably assembled the elastic beam 7 at the bottom of the three-element anti-resonance combination transformer 6 with the second U-shaped frame 5 to ensure that the transformer can be initially supported and stabilized on the Y-shaped expansion frame 1. At the same time, the electric pull rod 401 was started and the output end was shortened, and the electric pull rod 401 drove the longitudinal pressure beam 4 downward. Move to the appropriate position, the bottom of the longitudinal pressure beam 4 squeezes and fixes the end of the elastic beam 7, so that the elastic beam 7 can be fixed above the first U-mouth frame 3 and the second U-mouth frame 5, thereby completing the installation and fixation of the three-element anti-resonance combination mutual inductor 6, and the blower 501 is started and sends out clean gas along the exhaust port 502. The flow rate of the clean gas is increased under the blocking effect of the longitudinal pressure beam 4 and acts accordingly on the working surface of the three-element anti-resonance combination mutual inductor 6, thereby effectively improving the dust-freeness and stability of the three-element anti-resonance combination mutual inductor 6.

[0043] In this process, the staff needs to align the three-element anti-resonance combination transformer 6 with the position of the first U-mouth frame 3 until the second U-mouth frame 5 and the elastic beam 7 are assembled in place, so as to ensure that the transformer will not be unstable in installation or unable to be smoothly docked later due to position offset. After the second U-mouth frame 5 and the elastic beam 7 are slid and assembled to the extreme position, the conical column 9 and the locking hole 301 will be in a concentric state, and the support frame 8 will be located at the end position of the second U-mouth frame 5. The staff can operate the worm gear self-locking transmission box 11 to enable the opposing double-link pushing assembly 10 to push the two conical columns 9 into the locking hole 301, and the pressure values ​​detected by the multiple pressure sensors 302 all reach the set pressure preset values.

[0044] Afterwards, the self-locking function of the worm gear self-locking transmission box 11 and the use of the opposed double-link pushing assembly 10 can ensure that the staff can stabilize the elastic beam 7 without continuous force during operation, and push the two conical columns 9 away in a predetermined direction until they are fully inserted into the locking hole 301 on the first U-mouth frame 3. The conical structure of the conical column 9 itself is used to improve the plug-in locking effect with the locking hole 301, and the position stability of the three-element anti-resonance combination transformer 6 is correspondingly improved. The staff does not need to manually tighten the bolts or other fixing devices, thereby avoiding installation problems caused by excessive force or improper operation. Once the conical column 9 is fully inserted into the locking hole 301 and the two U-mouth frames are matched, the three-element anti-resonance combination transformer 6 is firmly connected to the first U-mouth frame 3 and the second U-mouth frame 5. At this time, the three-element anti-resonance combination transformer 6 has been firmly installed on the pole and will not loosen or shift due to external force vibration. The entire installation process is not only successfully completed, but also does not require excessive manual intervention, thereby improving installation accuracy and stability.

[0045] Afterwards Figure 2 The forward and backward action directions are set. When the external wind force or the like acts on the three-element anti-resonance combination transformer 6 and causes it to move downward, the three-element anti-resonance combination transformer 6 drives the elastic beam 7 to move downward, and the elastic beam 7 drives the support frame 8 to move downward. The support frame 8 drives the conical column 9 to move downward inside the locking hole 301 through the opposing double-link push assembly 10. The pressure value detected by the two pressure sensors 302 below increases and is greater than the set pressure preset value. The three-element anti-resonance combination transformer 6 drives the other end of the elastic beam 7 to move upward accordingly. At this time, in order to ensure the stability of the position of the three-element anti-resonance combination transformer 6, the electric pull rod 401 is started and the output end is shortened. The electric pull rod 401 drives the longitudinal pressure beam 4 to move downward, and the downward extrusion force applied by the longitudinal pressure beam 4 to the end of the elastic beam 7 increases. Then, the elastic beam 7 continuously restores the straight state under the action of the pressure, and the other end of the elastic beam 7 drives the three-element anti-resonance combination transformer 6 to move upward and continuously move to the initial position, further improving the stability of the position of the three-element anti-resonance combination transformer 6.

[0046] At the same time, when the three-element anti-resonance combination transformer 6 moves to the left, the distance between the three-element anti-resonance combination transformer 6 and the blower 501 decreases. Similarly, the three-element anti-resonance combination transformer 6 drives the conical column 9 to move to the left through the elastic beam 7, the support frame 8 and the opposing double-link push assembly 10. The pressure value detected by the multiple pressure sensors 302 on the left side of the conical column 9 increases. At this time, the electric pull rod 401 is started and the output end is extended. The electric pull rod 401 drives the longitudinal pressure beam 4 to move upward, and the extrusion force applied by the longitudinal pressure beam 4 to the end of the elastic beam 7 is reduced. Under the action of its own gravity, the elastic beam 7 is driven to tilt downward from left to right, so that the three-element anti-resonance combination transformer 6 moves to the right corresponding to the inclination of the elastic beam 7 and continuously returns to its original position, further ensuring the accuracy and stability of the position of the three-element anti-resonance combination transformer 6.

[0047] Similarly, when the three-element anti-resonance combination transformer 6 moves to the right, the pressure values ​​detected by the multiple pressure sensors 302 on the right side increase, the electric pull rod 401 starts and the output end shortens, the electric pull rod 401 drives the longitudinal pressure beam 4 to move downward, and the extrusion pressure applied by the longitudinal pressure beam 4 to the end of the elastic beam 7 increases. The elastic beam 7 tilts downward from right to left, and slides to the left to the initial position along the elastic beam 7 under the action of the three-element anti-resonance combination transformer 6's own gravity.

[0048] And when the three-element anti-resonance combination transformer 6 moves to the front side, the three-element anti-resonance combination transformer 6 drives the front conical column 9 to move forward through the elastic crossbeam 7, the support frame 8 and the opposing double-link push assembly 10. At this time, with the conical structure of the conical column 9 itself, the squeezing force between the front conical column 9 and the locking hole 301 increases, and the pressure value detected by the multiple pressure sensors 302 inside the front locking hole 301 increases, while the pressure value detected by the multiple pressure sensors 302 inside the rear locking hole 301 decreases, then the rear electric pull rod 401 starts and The output end is shortened, and the electric pull rod 401 on the rear side drives the front side of the longitudinal pressure beam 4 to move downward. At the same time, the electric pull rod 401 on the front side is started and the output end is extended. The electric pull rod 401 on the front side drives the front side of the longitudinal pressure beam 4 to move upward, and the corresponding longitudinal pressure beam 4 is tilted, and the tilting direction is downward from front to back. Under the action of its own gravity, the three-element anti-resonance combination transformer 6 continuously moves backward along the elastic beam 7 and reaches the initial position, further improving the position stability and vibration resistance of the three-element anti-resonance combination transformer 6, and ensuring the continuous and stable operation of the three-element anti-resonance combination transformer 6.

[0049] At the same time, the blower 501 keeps working and discharges clean gas along the exhaust port 502, and the blocking effect of the longitudinal pressure beam 4 on the end of the exhaust port 502 enables the clean gas to continuously and stably act on the working surface of the three-element anti-resonance combination transformer 6, thereby ensuring the dust-freeness and cooling performance of the three-element anti-resonance combination transformer 6. When the electric pull rod 401 drives the longitudinal pressure beam 4 to move up and down above the elastic cross beam 7, the blocking area of ​​the longitudinal pressure beam 4 on the end of the exhaust port 502 changes accordingly, and the amount of air discharged from the exhaust port 502 changes accordingly. With the help of this change, the wind force discharged from the exhaust port 502 is a pulse effect, which not only improves the pulse cleaning effect of the three-element anti-resonance combination transformer 6, but also improves the impact removal effect of adhered impurities. At the same time, the change of the exhaust port 502 can also realize wind cooling at different positions of the working surface of the three-element anti-resonance combination transformer 6, thereby improving the cooling effect and ensuring the continuous and stable operation of the three-element anti-resonance combination transformer 6.

[0050] In particular, when the electric pull rod 401 drives the longitudinal pressure beam 4 to move up and down and drives the elastic cross beam 7 to move up and down, the elastic cross beam 7 drives the three-element anti-resonance combination transformer 6 to move up and down. At this time, not only can the position of the three-element anti-resonance combination transformer 6 be adjusted to ensure the stability and accuracy of the position of the three-element anti-resonance combination transformer 6, but at the same time, the clean gas discharged from the exhaust port 502 can also vibrate and clean the dust and impurities attached to the outer surface of the three-element anti-resonance combination transformer 6, and can also achieve the effect of driving away birds and insects, thereby preventing birds and insects from staying on the outer surface of the three-element anti-resonance combination transformer 6 for a long time and reducing the working stability.

[0051] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0052] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A 10kV three-element anti-resonance metering combined transformer, characterized in that: include: A Y-shaped expansion frame (1), the closing portion of the Y-shaped expansion frame (1) being provided with a clamping member (2) for connecting to an electric pole, a first U-shaped expansion frame (3) being fixed to one end of the Y-shaped expansion frame (1) away from the clamping member (2), and a second U-shaped expansion frame (5) being welded to the top of the first U-shaped expansion frame (3), both sides of the outer wall of the first U-shaped expansion frame (3) being provided with completely penetrating locking holes (301), and a plurality of pressure sensors (302) being evenly arranged inside the locking holes (301); A three-element anti-resonance combination transformer (6), wherein elastic beams (7) for slidingly cooperating with a second U-shaped frame (5) are installed on both sides of the bottom end of the three-element anti-resonance combination transformer (6), a longitudinal pressure beam (4) is arranged above the elastic beam (7), and electric pull rods (401) are arranged on both sides of the top of the longitudinal pressure beam (4), a plurality of exhaust fans (501) are installed on one side of the top of the second U-shaped frame (5), and exhaust ports (502) are opened on the side of the exhaust fans (501) close to the three-element anti-resonance combination transformer (6), and support frames (8) are fixed to the bottom ends of the two elastic beams (7), and conical columns (9) are slidably installed on the outer walls of both sides of the support frame (8); An opposing double-link pushing assembly (10) is provided at the bottom end of the support frame (8).

2. A 10kV three-element anti-resonance metering combined transformer according to claim 1, characterized in that: The clamp member (2) comprises a right clamp (201) fixed to the closing portion of the Y-shaped expansion frame (1) and a left clamp (202) used to form a ring structure with the right clamp (201); connecting feet (203) for bolt connection are integrally formed on both side outer walls of the right clamp (201) and the left clamp (202); a through hole for the expansion screw to pass through is formed on one side outer wall of the left clamp (202); the Y-shaped expansion frame (1), the right clamp (201) and the left clamp (202) are all made of alloy steel.

3. A 10kV three-element anti-resonance metering combined transformer according to claim 1, characterized in that: The bottom output end of the electric pull rod (401) passes through the second U-shaped frame (5) and is fixedly connected to the top of the first U-shaped frame (3); the second U-shaped frame (5) and the elastic cross beam (7) are located between the first U-shaped frame (3) and the longitudinal pressure beam (4); and one side outer wall of the exhaust fan (501) is in contact with one side outer wall of the second U-shaped frame (5).

4. A 10kV three-element anti-resonance metering combined transformer according to claim 1, characterized in that: The bottom end of the elastic crossbeam (7) is provided with a convex groove (701) for slidingly engaging with the second U-shaped frame (5); the support frame (8) is used to contact the end of the second U-shaped frame (5) after the elastic crossbeam (7) and the second U-shaped frame (5) are slidably assembled; and the conical column (9) is concentric with the locking hole (301) after the elastic crossbeam (7) and the second U-shaped frame (5) are slidably assembled.

5. A 10kV three-element anti-resonance metering combined transformer according to claim 1, characterized in that: The opposing double-link push assembly (10) comprises a transmission shaft (1001) rotatably mounted on both sides of the bottom end of the three-element anti-resonance combination transformer (6), a gear transmission structure (1002) mounted between the two transmission shafts (1001) for maintaining power connection, a double-headed conical plate (1004) rotatably mounted on both sides of the bottom end of the support frame (8), and a right-angle seat (1005) slidably mounted on both sides of the bottom end of the support frame (8).

6. A 10kV three-element anti-resonance metering combined transformer according to claim 5, characterized in that: The bottom end of the transmission shaft (1001) is provided with a connecting rod swinging push structure (1003) for driving the double-headed conical plate (1004) to rotate, and the bottom end of the double-headed conical plate (1004) is provided with a wheel embedding structure for driving the right-angle seat (1005) to slide. The double-headed conical plate (1004) is located on the inner side of the two elastic beams (7), and one end of the conical column (9) is fixedly connected to an outer wall of one side of the right-angle seat (1005).

7. A 10kV three-element anti-resonance metering combined transformer according to claim 6, characterized in that: The connecting rod swing-pushing structure (1003) comprises a main swing head (10031) fixed at the bottom end of the transmission shaft (1001) and a flat-head connecting rod monomer (10032) hingedly mounted on one end of the main swing head (10031), wherein one end of the flat-head connecting rod monomer (10032) away from the transmission shaft (1001) is hingedly connected to one end of a double-headed conical plate (1004), and the gear transmission structure (1002) is a gear plate mounted on two transmission shafts (1001), and the two gear plates are meshed with each other.

8. A 10kV three-element anti-resonance metering combined transformer according to claim 6, characterized in that: The wheel embedding structure comprises a straight groove (10051) arranged inside the right-angle seat (1005) and a roller (10041) rotatably mounted on the bottom end of the double-headed conical plate (1004); the roller (10041) is located in the straight groove (10051); a dovetail sleeve is fixed on an inner wall of one side of the right-angle seat (1005); and a dovetail track for the dovetail sleeve to slide is fixed on the back of the support frame (8).

9. A 10kV three-element anti-resonance metering combined transformer according to claim 1, characterized in that: The opposing double-link pushing assembly (10) is used to drive the two conical columns (9) to slide towards each other and enable the conical columns (9) and the locking holes (301) to be plugged in. A worm gear self-locking transmission box (11) for driving the opposing double-link pushing assembly (10) to work is installed on one side of the bottom end of the three-element anti-resonance combination transformer (6).

10. A 10kV three-element anti-resonance metering combined transformer according to claim 1, characterized in that: The exhaust port (502) is directly opposite to the working surface of the three-element anti-resonance combination transformer (6); the longitudinal pressure beam (4) corresponds to the exhaust port (502); the pressure sensor (302) is used to detect the pressure value between the inner wall of the locking hole (301) and the conical column (9); the elastic cross beam (7) is elastic; the bottom of the longitudinal pressure beam (4) is in elastic compression contact with the top of the elastic cross beam (7); and the diameter of the conical column (9) gradually decreases from one end of the support frame (8) to the other end.

Images