阅读说明：本技术 一种三相油浸式电力变压器 (Three-phase oil-immersed power transformer ) 是由 桂冰宇 莫传旭 于 2021-07-16 设计创作，主要内容包括：本发明涉及变压器技术领域,尤其是涉及一种三相油浸式电力变压器,包括变压器主体,所述变压器主体前端外表面开设有导向槽,且变压器主体前端外表面固定连接有散热片,所述导向槽内部活动连接有导向块,所述导向块与导向槽均呈L形结构设计并相互对应匹配,所述导向块的一端固定设置有清理机构,所述变压器主体的下端外表面设置有固定机构,所述固定机构的下端设置有底座,该装置通过固定机构在运输车辆受到颠簸时在吸盘和抗震弹簧的配合下增大吸盘的吸附力,从而提高变压器整体的稳定性,同时通过抗震弹簧减少车辆的颠簸对变压器造成的损伤,通过清理机构对散热片进行清理可以大大缩短清理时间同时提高清理效率。(The invention relates to the technical field of transformers, in particular to a three-phase oil-immersed power transformer which comprises a transformer main body, wherein the outer surface of the front end of the transformer main body is provided with a guide groove, the outer surface of the front end of the transformer main body is fixedly connected with a radiating fin, the inside of the guide groove is movably connected with a guide block, the guide block and the guide groove are designed in an L-shaped structure and are matched with each other correspondingly, one end of the guide block is fixedly provided with a cleaning mechanism, the outer surface of the lower end of the transformer main body is provided with a fixing mechanism, the lower end of the fixing mechanism is provided with a base, the device increases the adsorption force of the sucker through the fixing mechanism under the matching of the sucker and the anti-vibration spring when the transport vehicle is bumpy, thereby improving the stability of the whole transformer, reducing the damage of the bumping of the vehicle to the transformer through the anti-vibration spring, the heat radiating fins are cleaned through the cleaning mechanism, so that the cleaning time can be greatly shortened, and the cleaning efficiency is improved.)

1. The utility model provides a three-phase oil-immersed power transformer, includes transformer main part (1), its characterized in that: the outer surface of the front end of the transformer main body (1) is provided with a guide groove (11), the outer surface of the front end of the transformer main body (1) is fixedly connected with a radiating fin (3), a guide block (23) is movably connected inside the guide groove (11), the guide block (23) and the guide groove (11) are in L-shaped structural design and are matched with each other correspondingly, one end of the guide block (23) is fixedly provided with a cleaning mechanism (2), the outer surface of the lower end of the transformer main body (1) is provided with a fixing mechanism (4), and the lower end of the fixing mechanism (4) is provided with a base (5);

the fixing mechanism (4) comprises a sucker (41), a telescopic seat (42), a first vacuum cavity (421), a pressure relief assembly (43), a connecting pipe (44), a containing block (45), an anti-vibration spring (451), a lever (46), an extension rod (461), a support rod (463), a fixing rod (47), a vacuum rod (471), a locking assembly (472), a clamping assembly (48) and a second vacuum cavity (473), wherein the outer surface of the lower end of the transformer body (1) is fixedly connected with the containing block (45), the containing cavity is formed in the containing block (45), the telescopic seat (42) is movably connected with the inner part of the containing cavity, the anti-vibration spring (451) is fixedly connected between the telescopic seat (42) and the upper end of the inner surface of the containing cavity, the lower end of the telescopic seat (42) is fixedly connected with the sucker (41), the first vacuum cavity (421) is formed in the telescopic seat (42), and the first vacuum cavity (421) is communicated with the sucker (41), the left side of the inner surface of the first vacuum cavity (421) is provided with a pressure relief assembly (43), the left side of the inner surface of the first vacuum cavity (421) is fixedly connected with a connecting pipe (44), the outer surface of the left side of the accommodating block (45) is hinged to an extension rod (461), the extension rod (461) is positioned on the right side of a lever (46), a rotating rod is arranged in the middle of the lever (46), the lever (46) is rotatably connected with a supporting rod (463) through the rotating rod, the positions of the left side and the right side of the inside of the lever (46) are both in a hollow structure design, the extension rod (461) is integrally in a T-shaped structure design and is positioned inside the lever (46) and is movably connected with the lever, the extension rod (487) and the extension rod (461) are both matched with the lever (46) mutually, the end, far away from the lever (46), of the extension rod (487) is provided with a clamping assembly (48), the outer surface of the upper end of the base (5) is fixedly connected with a fixing rod (47), a second vacuum cavity (473) is formed in the fixing rod (47), the other end of the connecting pipe (44) is fixedly connected with the second vacuum cavity (473), the second vacuum cavity (473) is fixedly connected with a vacuum rod (471), and a locking assembly (472) is arranged at the joint of the vacuum rod (471) and the fixing rod (47).

2. A three-phase oil filled power transformer according to claim 1, characterised in that: the cleaning mechanism (2) comprises a cleaning plate (21), a cleaning block (22), a cleaning assembly (24) and a rotating assembly (25), one end, far away from the transformer main body (1), of the guide block (23) is fixedly connected with the cleaning plate (21), the cleaning plate (21) is integrally designed to be of a U-shaped structure, the outer surface of one side, close to the transformer main body (1), of the cleaning plate (21) is fixedly connected with the cleaning block (22), the cleaning block (22) corresponds to the radiating fins (3), cleaning brushes are fixedly connected with the adjacent surfaces of the cleaning block (22) and the radiating fins (3), the cleaning assembly (24) comprises a first rotating groove (211), an exhaust cavity (212), a gear (241), a first rotating rod (242), a second rotating groove (243), a connecting rod (244) and a push rod (245), the outer surface of one side, far away from the radiating fins (3), of the cleaning plate (21) is provided with the first rotating groove (211), the inner part of the first rotating groove (211) is rotatably connected with a first rotating rod (242), the first rotating rod (242) is fixedly connected with the first rotating groove (211) in a corresponding matching mode, the gear (241) is close to the center of the outer surface of one side of the cleaning plate (21) and fixedly connected with the first rotating rod (242) far away from the first rotating groove (211), the gear (241) is meshed with the first tooth groove (12), the outer surface of one side of the gear (241) far away from the radiating fins (3) is provided with a second rotating groove (243), the inner part of the second rotating groove (243) is rotatably connected with a connecting rod (244), the front end of the connecting rod (244) is hinged with a push rod (245), the connecting rod (244) and the second rotating groove (243) are both designed in a T-shaped structure and are matched with each other in a corresponding mode, the push rod (245) is located inside the exhaust cavity (212), and the exhaust cavity (212) is located inside the cleaning plate (21) and movably connected with the push rod (245), and the exhaust cavity (212) extends to the inside of the cleaning block (22), the exhaust cavity (212) inside the cleaning block (22) is integrally designed in a Chinese character feng shape, and one side of the exhaust cavity (212) close to the cleaning brush is in an opening shape.

3. A three-phase oil filled power transformer according to claim 2, characterised in that: the rotating assembly (25) comprises a connecting groove (251), a rolling groove (252), a ball (253) and impeller blades (254), the connecting groove (251) is formed in the annular inner surface of the exhaust cavity (212) close to the cleaning brush, the connecting groove (251) is in an annular structure design, the impeller blades (254) are connected in the connecting groove (251) in a rotating mode, the rolling groove (252) is formed in the outer surface of one side, close to the connecting groove (251), of the impeller blades (254), the ball (253) is connected in the rolling groove (252) in a rotating mode, the blades of the impeller blades (254) are in a spiral design, the impeller blades (254) are matched with the connecting groove (251) in a corresponding mode, and the outer surface of one side, close to the cleaning brush, of the impeller blades (254) is located at the center position and fixedly connected with the brush.

4. A three-phase oil filled power transformer according to claim 1, characterised in that: the clamping assembly (48) comprises a containing pipe (481), a steel wire rope (482), a return spring (483), a clamping block (484), a clamping groove (485), a containing groove (486), a sliding groove (488) and a sliding block (489), wherein the clamping groove (485) is formed in the outer surface of one side, close to the lever (46), of the vacuum rod (471), the sliding groove (488) is formed in the inner surface of one side of the clamping groove (485), the sliding block (489) is connected to the inside of the sliding groove (488) in a sliding mode, one end, far away from the sliding groove (488), of the sliding block (489) is fixedly connected with the outer surface of one side of the extension rod (487), the sliding block (489) is of a cylindrical structure design, the containing groove (486) is formed in one end, close to the clamping groove (485), of the containing groove (486) is movably connected with the clamping block (484), and the transverse sections of the containing groove (487) and the clamping block (484) are both of a T-shaped structure design, the safety device is characterized in that a return spring (483) is fixedly connected between the clamping block (484) and the left side of the inner surface of the accommodating groove (486), an accommodating pipe (481) is arranged in the extension rod (487), a steel wire rope (482) is arranged in the accommodating pipe (481), one end of the steel wire rope (482) is fixedly connected with a limiting block, and the other end of the steel wire rope (482) is fixedly connected with the clamping block (484).

5. A three-phase oil filled power transformer according to claim 1, characterised in that: pressure release subassembly (43) include sealing plate (431), telescopic link (432), flexible groove (434), magnet (435) and pressure release spring (436), the mouth of losing heart has been seted up to a vacuum cavity (421) internal surface left side position, flexible groove (434) are seted up to a vacuum cavity (421) internal surface left side position, flexible groove (434) inside swing joint telescopic link (432), and fixed connection pressure release spring (436) between telescopic link (432) and flexible groove (434) right side, the one end and sealing plate (431) fixed connection of pressure release spring (436) are kept away from in telescopic link (432), sealing plate (431) pass through telescopic link (432) and flexible groove (434) swing joint with the mouth of losing heart, one side outer surface fixed connection magnet (435) that sealing plate (431) are close to the mouth of losing heart, flexible seat (42) constitute for the metal material.

6. A three-phase oil filled power transformer according to claim 1, characterised in that: locking assembly (472) include tooth's socket two (4721), locking spring (4722), locking lever (4723) and locking chamber (4724), one side surface that lever (46) were kept away from in vacuum lever (471) sets up tooth's socket two (4721), locking chamber (4724) are seted up with tooth's socket corresponding position in dead lever (47), and locking chamber (4724) inside swing joint locking lever (4723), locking lever (4723) whole is the cruciform structure design, locking lever (4723) annular surface winding locking spring (4722), locking lever (4723) run through locking chamber (4724), and the one end that locking lever (4723) are close to vacuum lever (471) is triangle-shaped structural design and corresponds the matching each other with tooth's socket two (4721).

Technical Field

The invention relates to the technical field of transformers, in particular to a three-phase oil-immersed power transformer.

Background

The three-phase oil-immersed transformer adopts a fully-oil-filled sealing type. The corrugated oil tank shell is a permanently sealed oil tank adapting to the expansion of oil by self elasticity, and the oil-immersed transformer is widely applied to various distribution equipment;

in the prior patent (publication number: CN104867667B), the invention relates to an intelligent oil-immersed transformer, a monitoring system and a monitoring method thereof, wherein the intelligent oil-immersed transformer comprises a transformer main body, an oil tank and a transformer body, wherein the transformer body is arranged in the oil tank; the multi-element monitoring component comprises a data acquisition unit connected with the transformer body and used for acquiring monitoring data of an oil tank of the transformer body and monitoring data of the transformer body; the local data control center is coupled with the data acquisition unit and used for storing and transmitting the monitoring data acquired by the data acquisition unit to the transformer main body; and the information display unit comprises a fixed display unit and a movable display unit, wherein the fixed display unit is externally arranged on the transformer main body and is coupled with the local data control center in a wired connection mode so as to display the monitoring data stored in the local data control center.

In the process of implementing the invention, the inventor finds that at least the following problems in the prior art are not solved: 1. the traditional oil-immersed three-phase power transformer is assembled by a manufacturer and finally transported to a designated place by means of a truck and the like, and the transformer shakes even with a large degree of jolt and undulation of the transformer when the road condition of the transformer is poor in a remote area in China and in a bad road condition section of a transportation transformer, so that unnecessary economic loss is caused due to the damage of the transformer; 2. oil-immersed transformer often can be along with a large amount of heat productions at the during operation, these heats are dispersed to the outside through the fin through the absorption of transformer oil, thereby guarantee the normal work of transformer, need maintainer often to clear up the fin in order to guarantee the radiating efficiency of transformer, prevent that the dust from covering and block thermal giving off on the fin surface, especially the great region of china's northern dust, traditional clearance mode needs maintainer to use the squirt, multiple clearance instruments such as clearance brush clear up in step, this just makes whole clearance process take a lot of trouble hard, and the clearance inefficiency.

Therefore, a three-phase oil-immersed power transformer is provided.

Disclosure of Invention

The present invention is directed to a three-phase oil-immersed power transformer, so as to solve the problems mentioned in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: a three-phase oil-immersed power transformer comprises a transformer main body, wherein a guide groove is formed in the outer surface of the front end of the transformer main body, radiating fins are fixedly connected to the outer surface of the front end of the transformer main body, a guide block is movably connected inside the guide groove, the guide block and the guide groove are in an L-shaped structural design and are matched with each other correspondingly, a cleaning mechanism is fixedly arranged at one end of the guide block, a fixing mechanism is arranged on the outer surface of the lower end of the transformer main body, and a base is arranged at the lower end of the fixing mechanism;

the fixing mechanism comprises a sucker, a telescopic seat, a first vacuum cavity, a pressure relief assembly, a connecting pipe, a containing block, an anti-seismic spring, a lever, an extension rod, a supporting rod, a fixing rod, a vacuum rod, a locking assembly, a clamping assembly and a second vacuum cavity, the outer surface of the lower end of the transformer body is fixedly connected with the containing block, the inside of the containing block is provided with a containing cavity, the inside of the containing cavity is movably connected with the telescopic seat, the anti-seismic spring is fixedly connected between the telescopic seat and the upper end of the inner surface of the containing cavity, the lower end of the telescopic seat is fixedly connected with the sucker, the inside of the telescopic seat is provided with the first vacuum cavity, the first vacuum cavity is communicated with the sucker, the left side of the inner surface of the first vacuum cavity is provided with the pressure relief assembly, the left side of the inner surface of the first vacuum cavity is fixedly connected with the connecting pipe, the outer surface of the left side of the containing block is hinged with the extension rod, the extension rod is positioned on the right side of the lever, and the rotating rod is positioned in the middle of the lever, and the lever passes through the dwang with the bracing piece and rotates to be connected, the inside of lever is close to the left and right sides position and is the hollow structure design, the extension rod is whole to be T shape structural design, and it is located inside and swing joint of lever, the lever left side sets up the extension rod of T shape structural design, and the extension rod is located inside and swing joint of lever, the extension rod all corresponds the matching with the lever each other with the extension rod, the one end that the lever was kept away from to the extension rod sets up the block subassembly, base upper end surface fixed connection dead lever, the inside vacuum cavity two of seting up of dead lever, the other end and the two fixed connection of vacuum cavity of connecting pipe, the two inside fixed connection vacuum poles of vacuum cavity, the vacuum pole links up the department with the dead lever and sets up locking Assembly.

Through adopting above-mentioned technical scheme, the device passes through the adsorption affinity of fixed establishment increase sucking disc under the cooperation of sucking disc and antidetonation spring when haulage vehicle receives jolting to improve the holistic stability of transformer, reduce the damage that jolting of vehicle caused the transformer through the antidetonation spring simultaneously, clear up the fin through clearance mechanism and can shorten clearance time simultaneously and improve cleaning efficiency greatly.

Preferably, the cleaning mechanism comprises a cleaning plate, a cleaning block, a cleaning assembly and a rotating assembly, one end of the guide block, far away from the transformer main body, is fixedly connected with the cleaning plate, the cleaning plate is integrally designed in a U-shaped structure, the outer surface of one side of the cleaning plate, near the transformer main body, is fixedly connected with the cleaning block, the cleaning block corresponds to the radiating fins, a cleaning brush is fixedly connected with the adjacent surfaces of the cleaning block and the radiating fins, the cleaning assembly comprises a first rotating groove, an exhaust cavity, a gear, a first rotating rod, a second rotating groove, a connecting rod and a push rod, the outer surface of one side of the cleaning plate, far away from the radiating fins, is provided with the first rotating groove, the first rotating rod is rotatably connected with the inside of the first rotating groove, the first rotating rod is matched and rotatably connected with the first rotating groove in a mutually corresponding manner, the center position of the outer surface of one side of the gear, near the cleaning plate, is fixedly connected with one end of the first rotating rod, far away from the rotating groove, the gear is meshed with the first rotating groove, the gear is kept away from one side surface of fin and is seted up rotary trough two, two inside rotation in rotary trough connect the connecting rod, and the connecting rod front end is articulated with the push rod, the connecting rod all is T shape structural design and corresponds the matching each other with rotary trough two, the push rod is located the intracavity portion of exhausting, the chamber of exhausting be located the cleaning board inside and with push rod swing joint, and the chamber of exhausting extends to the inside of cleaning block, the inside chamber of exhausting of cleaning block wholly is rich font structural design, the one side that the chamber of exhausting is close to the cleaning brush is the opening form.

By adopting the technical scheme, maintenance personnel need to clean and clean the radiating fins, a user pushes the cleaning plate with hands during working to enable the cleaning plate to move along the guide grooves through the guide blocks, the radiating fins are cleaned and cleaned through the cleaning brushes fixedly connected with the cleaning blocks in the process that the cleaning plate moves downwards under external force, so that the effect of cleaning the radiating fins is achieved, the gear is meshed with the first tooth groove and rotates under the matching of the first rotating rod and the first rotating groove when the cleaning plate moves downwards, the connecting rod rotates by taking the center of the second rotating groove as a midpoint, so that the connecting rod eccentrically moves around the gear to drive the push rod to reciprocate in the exhaust cavity to compress gas in the exhaust cavity, the cleaning brushes move up and down to clean the radiating fins and generate gas at the same time, and dust attached to the surfaces of the radiating fins is blown, further improving the cleaning effect.

Preferably, rotating assembly is including linking up groove, slot rolling, ball and impeller blade, the exhaust chamber is close to the annular internal surface of clearance brush and sets up linking up the groove, and links up the groove and be the annular structure design, link up the inside rotation in groove and connect the impeller blade, the impeller blade is close to one side surface of linking up the groove and sets up the slot rolling, the inside rotation in slot connects the ball, the blade of impeller blade is the heliciform design, and the impeller blade matches with linking up the groove and correspond each other, one side surface that the impeller blade is close to the clearance brush is located central point fixedly connected with brush.

Through adopting above-mentioned technical scheme, under the gas cooperation of single clearance brush and blowing, the clearance that plays is limited, in order to further improve the clearance effect, in operation, do reciprocating motion through the push rod in the exhaust chamber inside and produce gas, this gas causes the impact to the impeller blade simultaneously from the exhaust chamber open end discharge, under the cooperation of ball and slot rolling, force spiral helicine impeller blade to be circular motion along linking up the groove and carry out the rotation type clearance through its fixed connection's brush to the fin, thereby further clear up the fin, the clearance effect has been improved greatly.

Preferably, the clamping component comprises a containing pipe, a steel wire rope, a return spring, a clamping block, a clamping groove, a containing groove, a sliding groove and a sliding block, the outer surface of one side of the vacuum rod close to the lever is provided with a clamping groove, the inner surface of one side of the clamping groove is provided with a sliding groove, the inside of the sliding chute is connected with a sliding block in a sliding way, one end of the sliding block, which is far away from the sliding chute, is fixedly connected with the outer surface of one side of the extension rod, the slide block is designed to be a cylindrical structure, one end of the extension rod close to the clamping groove is provided with a holding groove, the holding groove is movably connected with the clamping block, the transverse sections of the accommodating groove and the fixture block are both designed in a T-shaped structure, a return spring is fixedly connected between the fixture block and the left side of the inner surface of the accommodating groove, the extension rod is internally provided with a containing pipe, a steel wire rope is arranged in the containing pipe, one end of the steel wire rope is fixedly connected with a limiting block, and the other end of the steel wire rope is fixedly connected with a clamping block.

By adopting the technical scheme, in order to further increase the adsorption force between the sucker and the base when the transformer main body jolts, when the transformer main body works, the transformer main body which is subjected to external force realizes shock absorption under the matching of the containing block, the anti-vibration spring and the telescopic seat, the extension rod is forced to swing and stretch out and draw back in the lever, at the same time, the extension rod moves up and down along the sliding groove arranged in the vacuum rod through the sliding block and stretches out and draws back in the lever, the clamping block is always attached to the clamping groove under the extrusion of the reset spring, when the extension rod moves down along the sliding groove, the clamping block collides with the clamping groove and generates clamping sound under the matching of the reset spring and the clamping block, at the moment, the clamping is completed, then, the downward extension rod has the trend of moving upwards along the sliding groove under the matching of the anti-vibration spring and the lever, and the clamping groove is clamped with each other, the extension rod forces the vacuum rod to move upwards in the vacuum cavity two, thereby make the inside pressure increase of vacuum cavity one and vacuum cavity two, and then increase the suction force of sucking disc to the base and improve holistic fixed effect, the user stimulates wire rope and makes the fixture block accomodate to accomodating inslot portion, forces the block subassembly to lose the convenient follow-up transport to the transformer body of block effect.

Preferably, the pressure release subassembly includes closing plate, telescopic link, flexible groove, magnet and pressure release spring, the mouth that loses heart has been seted up to a vacuum cavity internal surface left side position, flexible groove is seted up to a vacuum cavity internal surface left side position, the inside swing joint telescopic link of flexible inslot, and fixed connection pressure release spring between telescopic link and the flexible groove right side, pressure release spring's one end and closing plate fixed connection are kept away from to the telescopic link, the closing plate passes through telescopic link and flexible groove swing joint with the mouth that loses heart, the closing plate is close to one side external surface fixed connection magnet of losing heart, flexible seat constitutes for the metal material.

Through adopting above-mentioned technical scheme, in order to prevent that a vacuum cavity internal pressure is too big, cause the damage to fixed establishment, in operation, when the pulling force that a vacuum cavity internal pressure produced is greater than the adsorption affinity of magnet and flexible seat, the closing plate with magnet fixed connection breaks away from the contact with flexible seat, the mouth that loses heart communicates with each other with a vacuum cavity is inside this moment, reduce a inside pressure of vacuum cavity through the inflow of gas, thereby the inside pressure range of vacuum cavity has been restricted, and then play certain guard action to fixed establishment, kick-backs in the inside of flexible groove and forces the closing plate to pass through magnet once more with flexible seat magnetic adsorption fixed under the cooperation of pressure relief spring and telescopic link after internal pressure resumes.

Preferably, locking Assembly includes tooth's socket two, locking spring, locking lever and locking chamber, tooth's socket two is seted up to one side surface that the vacuum rod kept away from the lever, the locking chamber is seted up with tooth's socket corresponding position to the dead lever, and the inside swing joint locking lever of locking chamber, the whole cruciform structural design that is of locking lever, locking lever annular surface winding locking spring, the locking lever runs through the locking chamber, and the one end that the locking lever is close to the vacuum rod is triangle-shaped structural design and matches each other with tooth's socket two.

By adopting the technical scheme, in order to generate continuous pressure inside the vacuum cavity I, when the vacuum transformer works, the vacuum rod moves upwards along the vacuum cavity under the matching of the lever, the anti-seismic spring and the accommodating block, the tooth socket II moves along with the lever and contacts with the locking rod, the locking rod moves back and forth in the locking cavity through the locking spring and resists against the tooth socket II, the vacuum rod is prevented from sliding downwards under the action of the pressure, the vacuum rod is locked through the locking assembly, so that continuous pressure is generated inside the vacuum cavity II, the continuous fixing effect of the fixing mechanism is ensured, a user pulls the locking rod to move inside the locking cavity, the locking rod is separated from the contact with the tooth socket II, the pressure inside the vacuum cavity II is reduced to the lowest under the matching of the steel wire rope, and the subsequent carrying of the transformer body is facilitated.

Compared with the prior art, the invention has the beneficial effects that:

1. through adding a series of structural components such as a fixing mechanism in the device, the air pressure in the sucker is increased under the matching of the lever, the containing seat and the clamping assembly, so that a stable effect is achieved, meanwhile, the air pressure in the first vacuum cavity is guaranteed to be unchanged under the matching of the lock rod in the locking assembly and the second tooth socket, so that the sucker continuously receives air pressure, the fixing effect of the sucker is further improved, the air pressure in the first vacuum cavity is constant under the matching of the telescopic rod in the pressure relief assembly, the telescopic groove and the sealing plate, and the fixing mechanism is prevented from being damaged due to overlarge internal air pressure;

2. the device is additionally provided with a cleaning mechanism, a cleaning assembly, a rotating assembly and other structural components, gas is generated when the cleaning plate moves under the matching of a gear and a connecting rod, the gas is discharged from an opening through an exhaust cavity to blow an area needing cleaning, and then the gas is matched with a cleaning brush to improve the cleaning effect, and the gas forces the impeller blades to rotate under the matching of the impeller blades and the connecting groove by taking the gas as power during blowing, so that the brush fixedly connected with the impeller blades is driven to rotate to further clean the radiating fins, and the cleaning effect is greatly improved;

drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is an overall structural view of the present invention;

FIG. 2 is a cross-sectional view of the overall construction of the present invention;

FIG. 3 is a structural view of the cleaning mechanism of the present invention;

FIG. 4 is an assembled view of the gear and push rod of the present invention;

FIG. 5 is an enlarged view taken at A of FIG. 2 in accordance with the present invention;

FIG. 6 is an enlarged view at D of FIG. 5 of the present invention;

FIG. 7 is an enlarged view at C of FIG. 2 of the present invention;

FIG. 8 is an enlarged view at B of FIG. 2 of the present invention;

FIG. 9 is a combination view of an extension rod and a slot of the present invention;

FIG. 10 is an enlarged view at F of FIG. 3 of the present invention;

fig. 11 is an enlarged view at E of fig. 10 of the present invention.

Description of reference numerals:

1. a transformer body; 11. a guide groove; 12. a first tooth groove;

2. a cleaning mechanism; 21. cleaning the plate; 211. a first rotary groove; 212. an exhaust chamber; 22. cleaning the block; 23. a guide block;

24. cleaning the assembly; 241. a gear; 242. a first rotating rod; 243. a second rotary groove; 244. a connecting rod; 245. a push rod;

25. a rotating assembly; 251. a joining groove; 252. rolling a groove; 253. a ball bearing; 254. impeller blades; 3. a heat sink;

4. a fixing mechanism; 41. a suction cup; 42. a telescopic base; 421. a first vacuum cavity; 43. a pressure relief assembly; 431. a sealing plate; 432. a telescopic rod; 434. a telescopic groove; 435. a magnet; 436. a pressure relief spring; 44. a connecting pipe; 45. receiving the block; 451. an anti-seismic spring; 46. a lever; 461. an extension rod; 463. a support bar; 47. fixing the rod; 471. a vacuum rod;

472. a locking assembly; 4721. a tooth socket II; 4722. a locking spring; 4723. a lock lever; 4724. a locking cavity; 473. a second vacuum cavity;

48. clamping the assembly; 481. receiving a tube; 482. a wire rope; 483. a return spring; 484. a clamping block; 485. a card slot; 486. a receiving groove; 487. an extension pole; 488. a chute; 489. a slider; 5. a base.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 11, the present invention provides a technical solution:

a three-phase oil-immersed power transformer comprises a transformer main body 1, wherein a guide groove 11 is formed in the outer surface of the front end of the transformer main body 1, a radiating fin 3 is fixedly connected to the outer surface of the front end of the transformer main body 1, a guide block 23 is movably connected inside the guide groove 11, the guide block 23 and the guide groove 11 are in an L-shaped structural design and are matched with each other correspondingly, a cleaning mechanism 2 is fixedly arranged at one end of the guide block 23, a fixing mechanism 4 is arranged on the outer surface of the lower end of the transformer main body 1, and a base 5 is arranged at the lower end of the fixing mechanism 4;

the fixing mechanism 4 comprises a suction cup 41, an expansion seat 42, a first vacuum cavity 421, a pressure relief assembly 43, a connecting pipe 44, a receiving block 45, an anti-vibration spring 451, a lever 46, an extension rod 461, a support rod 463, a fixing rod 47, a vacuum rod 471, a locking assembly 472, a clamping assembly 48 and a second vacuum cavity 473, the outer surface of the lower end of the transformer body 1 is fixedly connected with the receiving block 45, the receiving cavity is formed inside the receiving block 45, the expansion seat 42 is movably connected with the inside of the receiving cavity, the anti-vibration spring 451 is fixedly connected between the expansion seat 42 and the upper end of the inner surface of the receiving cavity, the lower end of the expansion seat 42 is fixedly connected with the suction cup 41, the first vacuum cavity 421 is formed inside the expansion seat 42, the first vacuum cavity 421 is communicated with the suction cup 41, the pressure relief assembly 43 is arranged on the left side of the inner surface of the first vacuum cavity 421, the left side of the inner surface of the first vacuum cavity 421 is fixedly connected with the connecting pipe 44, the outer surface of the left side of the receiving block 45 is hinged with the extension rod 461, the extending rod 461 is located at the right side of the lever 46, a rotating rod is arranged at the middle position of the lever 46, the lever 46 and the supporting rod 463 are rotatably connected through the rotating rod, the positions, close to the left side and the right side, of the inside of the lever 46 are both designed in a hollow structure, the extending rod 461 is integrally designed in a T-shaped structure and is located inside the lever 46 and movably connected, the extending rod 487 designed in the T-shaped structure is arranged at the left side of the lever 46, the extending rod 487 is located inside the lever 46 and movably connected, the extending rod 487 and the extending rod 461 are correspondingly matched with the lever 46, a clamping component 48 is arranged at one end, far away from the lever 46, of the extending rod 487, a fixing rod 47 is fixedly connected to the outer surface of the upper end of the base 5, two vacuum cavities 473 are arranged inside the fixing rod 47, the other end of the connecting pipe 44 is fixedly connected with the two vacuum cavities 473, and the vacuum rods 471 are fixedly connected inside the two vacuum cavities 473, the joint of the vacuum rod 471 and the fixing rod 47 is provided with a locking assembly 472.

By adopting the technical scheme, when a vehicle for transporting the transformer body 1 is bumped in the transportation process, in order to reduce the damage to the transformer body 1 caused by bumping, when the transformer body 1 is bumped by external force during working, the anti-vibration spring 451 and the telescopic seat 42 are matched with each other to enable the accommodating block 45 and the transformer body 1 to synchronously move up and down along the accommodating cavity, so as to absorb the external force causing the bumping of the vehicle and reduce the damage to the transformer body 1 caused by bumping, meanwhile, the extension rod 487 hinged with the accommodating block 45 swings up and down and moves inside the lever 46, the lever 46 swings up and down by taking the rotating rod as a fulcrum and pulls the vacuum rod 471 upwards along the second vacuum cavity 473 under the matching of the clamping component 48, so as to force the air pressure inside the second vacuum cavity 473 to increase the adsorption force of the suction cup 41, and then the moved vacuum rod 471 is locked and fixed by the locking component 472, the continuous stability of the air pressure in the first vacuum chamber 421 is ensured, so that the suction cup 41 maintains the current suction force, when the air pressure in the first vacuum chamber 421 and the second vacuum chamber 473 is too high, the telescopic rod 432 and the telescopic slot 434 in the pressure relief assembly 43 cooperate with each other to reduce the air pressure in the first vacuum chamber 421, so that the whole fixing mechanism 4 cannot be damaged due to the too high pressure in the first vacuum chamber 421.

As an embodiment of the present invention, as shown in fig. 3, the cleaning mechanism 2 includes a cleaning plate 21, a cleaning block 22, a cleaning assembly 24 and a rotating assembly 25, one end of the guide block 23 away from the transformer body 1 is fixedly connected to the cleaning plate 21, the cleaning plate 21 is integrally designed in a U-shaped structure, an outer surface of one side of the cleaning plate 21 close to the transformer body 1 is fixedly connected to the cleaning block 22, the cleaning block 22 corresponds to the heat sink 3, a cleaning brush is fixedly connected to an adjacent surface of the cleaning block 22 and the heat sink 3, the cleaning assembly 24 includes a first rotating slot 211, an exhaust cavity 212, a gear 241, a first rotating rod 242, a second rotating slot 243, a connecting rod 244 and a push rod 245, the outer surface of one side of the cleaning plate 21 away from the heat sink 3 is provided with the first rotating slot 211, the first rotating rod 242 is rotatably connected to the inside of the first rotating slot 211, and the first rotating rod 242 is correspondingly matched to and rotatably connected to the first rotating slot 211, the outer surface central point of one side that gear 241 is close to clearance board 21 puts and a bull stick 242 keeps away from runner one 211 fixed connection, gear 241 is connected with the meshing of tooth's socket 12, the outer surface of one side that fin 3 was kept away from to gear 241 sets up runner two 243, the inside rotation of runner two 243 connects connecting rod 244, and the connecting rod 244 front end is articulated with push rod 245, connecting rod 244 all is T shape structural design and the mutual corresponding matching with runner two 243, push rod 245 is located inside exhaust chamber 212, exhaust chamber 212 is located inside clearance board 21 and with push rod 245 swing joint, and exhaust chamber 212 extends to inside the clearance piece 22, the inside exhaust chamber 212 of clearance piece 22 wholly is rich font structural design, the one side that exhaust chamber 212 is close to the cleaning brush is the opening form.

By adopting the technical scheme, maintenance personnel need to clean the radiating fins 3, when the cleaning device works, a user pushes the cleaning plate 21 by hand to enable the cleaning plate 21 to move along the guide grooves 11 through the guide blocks 23, the radiating fins 3 are cleaned by the cleaning brushes fixedly connected with the cleaning blocks 22 in the process that the cleaning plate 21 moves downwards under the action of external force, so that the effect of cleaning the radiating fins 3 is achieved, the gear 241 is meshed with the first tooth spaces 12 and rotates under the matching of the first rotating rod 242 and the first rotating groove 211 while the cleaning plate 21 moves downwards, the connecting rod 244 rotates by taking the center of the second rotating groove 243 as a middle point, so that the connecting rod 244 eccentrically moves around the gear 241 to drive the push rod 245 to reciprocate in the exhaust cavity 212 to compress the air in the exhaust cavity 212, and further, the air is generated while the cleaning brushes move up and down to clean the radiating fins 3, the dust attached to the surface of the heat sink 3 is blown, and the cleaning effect is further improved.

As an embodiment of the present invention, as shown in fig. 3, 10 and 11, the rotating assembly 25 includes a connecting groove 251, a rolling groove 252, a ball 253 and an impeller blade 254, the connecting groove 251 is formed on the inner annular surface of the exhaust chamber 212 adjacent to the cleaning brush, the connecting groove 251 is designed in an annular structure, the impeller blade 254 is rotatably connected inside the connecting groove 251, the rolling groove 252 is formed on the outer surface of the impeller blade 254 adjacent to one side of the connecting groove 251, the ball 253 is rotatably connected inside the rolling groove 252, the blades of the impeller blade 254 are designed in a spiral shape, the impeller blade 254 and the connecting groove 251 are correspondingly matched with each other, and the brush is fixedly connected to the outer surface of the impeller blade 254 adjacent to one side of the cleaning brush at a central position.

By adopting the technical scheme, under the matching of a single cleaning brush and blown gas, the cleaning is limited, in order to further improve the cleaning effect, in operation, the push rod 245 reciprocates in the exhaust cavity 212 to generate gas, the gas is discharged from the opening end of the exhaust cavity 212 and impacts the impeller blades 254, under the matching of the ball 253 and the rolling groove 252, the spiral impeller blades 254 are forced to do circular motion along the connecting groove 251 and perform rotary cleaning on the cooling fins 3 through the brushes fixedly connected with the connecting groove, so that the cooling fins 3 are further cleaned, and the cleaning effect is greatly improved.

As an embodiment of the present invention, as shown in fig. 2, 8 and 9, the engaging assembly 48 includes a receiving tube 481, a wire rope 482, a return spring 483, a latch 484, a latch 485, a receiving groove 486, a sliding groove 488 and a slider 489, wherein the latch 485 is formed on the outer surface of the vacuum rod 471 at the side close to the lever 46, the sliding groove 488 is formed on the inner surface of the latch 485 at the side, the slider 489 is slidably connected inside the sliding groove 488, one end of the slider 489 away from the sliding groove 488 is fixedly connected to the outer surface of the extension rod 487 at the side, the slider 489 is designed in a cylindrical structure, the receiving groove 486 is formed at the end of the extension rod 487 close to the latch 485, the latch 484 is movably connected inside the receiving groove 486, the receiving groove 486 and the lateral cross-section of the latch 484 are both designed in a T-shaped structure, the return spring 483 is fixedly connected between the latch 484 and the left side of the inner surface of the receiving groove 486, the extension rod 487 is formed with the receiving tube 481, the receiving pipe 481 is internally provided with a steel wire rope 482, one end of the steel wire rope 482 is fixedly connected with a limiting block, and the other end of the steel wire rope 482 is fixedly connected with a clamping block 484.

By adopting the technical scheme, in order to further increase the adsorption force between the suction cup 41 and the base 5 when the transformer body 1 jolts, during operation, the transformer body 1 subjected to external force realizes shock absorption through the cooperation of the accommodating block 45, the anti-vibration spring 451 and the telescopic seat 42, meanwhile, the extension rod 461 is forced to swing and stretch out and draw back inside the lever 46, at the same time, the extension rod 487 moves up and down along the sliding groove 488 arranged inside the vacuum rod 471 through the sliding block 489 and stretches out and draws back inside the lever 46 at the same time, the fixture block 484 is always attached to the clamping groove 485 under the extrusion of the return spring 483, when the extension rod 487 moves down along the sliding groove 488, the fixture block 484 collides with the clamping groove 485 under the cooperation of the return spring 483 and the fixture block 484 and generates a click sound, at the moment, then the clamping is completed, and then the extension rod 487 has a tendency of moving up along the sliding groove 488 under the cooperation of the anti-vibration spring 451 and the lever 46, because the fixture block 484 and the clamping groove 485 are clamped with each other, the extension rod 487 forces the vacuum rod 471 to move upwards in the vacuum chamber two 473, so that the pressure inside the vacuum chamber one 421 and the vacuum chamber two 473 is increased, the suction force of the suction cup 41 on the base 5 is increased, the overall fixing effect is improved, a user pulls the steel wire rope 482 to enable the fixture block 484 to be accommodated in the accommodating groove 486, and the clamping assembly 48 is forced to lose the clamping effect, so that the subsequent carrying of the transformer body 1 is facilitated.

As an embodiment of the present invention, as shown in fig. 2 and 7, the pressure relief assembly 43 includes a sealing plate 431, a telescopic rod 432, a telescopic slot 434, a magnet 435, and a pressure relief spring 436, wherein a pressure relief opening is formed at a left side position of an inner surface of the first vacuum chamber 421, a telescopic slot 434 is formed at a left side position of an inner surface of the first vacuum chamber 421, the telescopic rod 432 is movably connected inside the telescopic slot 434, the telescopic rod 432 is fixedly connected with the pressure relief spring 436 between the telescopic rod 432 and a right side of the telescopic slot 434, one end of the telescopic rod 432 away from the pressure relief spring 436 is fixedly connected with the sealing plate 431, the sealing plate 431 and the pressure relief opening are movably connected with the telescopic slot 434 through the telescopic rod 432, the magnet 435 is fixedly connected to an outer surface of one side of the sealing plate 431 close to the pressure relief opening, and the telescopic seat 42 is made of a metal material.

By adopting the technical scheme, in order to prevent the excessive pressure inside the first vacuum cavity 421 from damaging the fixing mechanism 4, in operation, when the pulling force generated by the pressure inside the first vacuum cavity 421 is greater than the adsorption force between the magnet 435 and the telescopic seat 42, the sealing plate 431 fixedly connected with the magnet 435 is separated from the telescopic seat 42, at the moment, the air release port is communicated with the inside of the first vacuum cavity 421, the pressure inside the first vacuum cavity 421 is reduced through the inflow of air, so that the pressure range inside the first vacuum cavity 421 is limited, further a certain protection effect is achieved on the fixing mechanism 4, and after the internal pressure is recovered, the sealing plate 431 rebounds inside the telescopic groove 434 under the matching of the pressure release spring 436 and the telescopic rod 432, so that the sealing plate 431 is forced to be magnetically adsorbed and fixed with the telescopic seat 42 again through the magnet 435.

As an embodiment of the present invention, as shown in fig. 5 and 6, the locking assembly 472 includes two tooth grooves 4721, a locking spring 4722, a locking rod 4723 and a locking cavity 4724, the outer surface of one side of the vacuum rod 471, which is away from the lever 46, is provided with two tooth grooves 4721, the locking cavity 4724 is provided at a position corresponding to the tooth grooves of the fixing rod 47, the locking cavity 4724 is movably connected inside the locking cavity 4724, the locking rod 4723 is integrally designed in a cross-shaped structure, the locking spring 4722 is wound around the annular outer surface of the locking rod 4723, the locking rod 4723 penetrates through the locking cavity 4724, and one end of the locking rod 4723, which is close to the vacuum rod 471, is designed in a triangular structure and is matched with the two tooth grooves 4721 correspondingly.

By adopting the technical scheme, in order to generate continuous pressure in the vacuum chamber I421, during operation, when the vacuum bar 471 moves upwards along the vacuum chamber two 473 under the matching of the lever 46, the anti-vibration spring 451 and the receiving block 45, the two toothed slots 4721 move along with the vacuum chamber two and contact the locking rod 4723, the locking rod 4723 moves back and forth in the locking chamber 4724 through the locking spring 4722 and resists against the two toothed slots 4721, the vacuum bar 471 is prevented from sliding downwards under the action of pressure, the vacuum bar 471 is locked through the locking assembly 472, therefore, continuous pressure is generated inside the second vacuum cavity 473, the continuous fixing effect of the fixing mechanism 4 is ensured, a user pulls the lock rod 4723 to move inside the locking cavity 4724, so that the lock rod 4723 is separated from the second gullet 4721, the pressure inside the second vacuum cavity 473 is reduced to the minimum under the cooperation of the steel wire rope 482, and the subsequent carrying of the transformer body 1 is facilitated.

The working principle is as follows: when the transformer body 1 bumps under external force, the anti-vibration spring 451 and the telescopic seat 42 are mutually matched to enable the accommodating block 45 and the transformer body 1 to synchronously move up and down along the accommodating cavity to absorb the external force causing vehicle bump, so as to reduce the damage of the bump to the transformer body 1, meanwhile, the extension rod 487 hinged to the accommodating block 45 swings up and down and moves in the lever 46, the lever 46 swings up and down with the rotating rod as a fulcrum and pulls the vacuum rod 471 upwards along the two vacuum cavities 473 under the matching of the clamping component 48, so as to force the air pressure in the two vacuum cavities 473 to increase the adsorption force of the sucker 41, the moved vacuum rod 471 is locked and fixed through the locking component 472, so as to ensure the continuous and stable air pressure in the first vacuum cavity 421, so that the sucker 41 keeps the current adsorption force, when the air pressure in the first vacuum cavity 421 and the second vacuum cavity 473 is too high, the telescopic rod 432 and the telescopic groove 434 in the pressure relief assembly 43 are matched with each other to reduce the air pressure inside the vacuum chamber I421, so that the whole fixing mechanism 4 cannot be damaged due to the excessive internal pressure of the vacuum chamber I421, a user pushes the cleaning plate 21 by hand, the cleaning plate 21 moves along the guide groove 11 through the guide block 23, the heat dissipation sheet 3 is wiped and cleaned by the cleaning brush fixedly connected with the cleaning block 22 in the process that the cleaning plate 21 moves downwards under the external force, so that the effect of cleaning the heat dissipation sheet 3 is achieved, the gear 241 is meshed with the first tooth socket 12 and rotates under the matching of the first rotating rod 242 and the first rotating groove 211 while the cleaning plate 21 moves downwards, the connecting rod 244 rotates by taking the center of the second rotating groove 243 as a middle point, so that the connecting rod 244 performs eccentric motion around the gear 241, the push rod 245 is driven to perform reciprocating motion inside the exhaust chamber 212, and the air inside the exhaust chamber 212 is compressed, further, the cleaning brush moves up and down to clean the heat sink 3 and generate gas to blow dust attached to the surface of the heat sink 3, thereby further improving the cleaning effect, the push rod 245 reciprocates in the exhaust cavity 212 to generate gas, the gas is discharged from the opening end of the exhaust cavity 212 and impacts the impeller 254, the spiral impeller 254 is forced to do circular motion along the connecting groove 251 under the matching of the ball 253 and the rolling groove 252, the heat sink 3 is cleaned in a rotary manner through the brush fixedly connected with the connecting groove 251, thereby further cleaning the heat sink 3, the cleaning effect is greatly improved, the transformer body 1 subjected to external force realizes shock absorption under the matching of the accommodating block 45, the anti-shock spring 451 and the telescopic seat 42, the extension rod 461 is forced to swing and stretch in the lever 46, at the same time, the extension rod 487 moves up and down along the sliding groove 488 arranged in the vacuum rod 471 through the slider 489 and stretches in the lever 46 simultaneously When the extension rod 487 moves downwards along the sliding groove 488, the fixture 484 collides with the fixture groove 485 under the matching of the return spring 483 and the fixture block 484 and generates a clicking sound, at this time, the engagement is completed, then the extension rod 487 has a tendency of moving upwards along the sliding groove 488 under the matching of the anti-vibration spring 451 and the lever 46, as the fixture block 484 and the fixture groove 485 are engaged with each other, the extension rod 487 forces the vacuum rod 471 to move upwards in the two vacuum chambers 473, so that the pressure inside the first vacuum chamber 421 and the second vacuum chamber 473 is increased, the adsorption force of the suction cup 41 to the base 5 is increased, the overall fixing effect is improved, a user pulls the steel wire rope 482 to enable the fixture block 484 to be accommodated in the accommodating groove 486, the engagement assembly 48 is forced to lose the engagement effect, the subsequent carrying of the transformer body 1 is facilitated, when the pulling force generated by the pressure inside the first vacuum chamber 421 is greater than the adsorption force of the magnet 435 and the telescopic seat 42, the sealing plate 431 fixedly connected with the magnet 435 is separated from contact with the telescopic seat 42, the air relief opening is communicated with the inside of the first vacuum cavity 421, the pressure inside the first vacuum cavity 421 is reduced through the inflow of air, so that the pressure range inside the first vacuum cavity 421 is limited, further, a certain protection effect is achieved on the fixing mechanism 4, after the internal pressure is recovered, the sealing plate 431 rebounds inside the telescopic groove 434 under the matching of the pressure relief spring 436 and the telescopic rod 432, so that the sealing plate 431 is attracted and fixed with the telescopic seat 42 again through the magnet 435, the two gullets 4721 move along with the lever 46 and are contacted with the locking rod 4723, the locking rod 4723 moves back and forth inside the locking cavity 4724 through the locking spring 4722 and moves upwards along the two vacuum cavity 473 under the matching of the anti-vibration spring 451 and the receiving block 45 which are mutually abutted against the two gullets 4721, and the two gullets 4721 move along with the vacuum cavity 4723 and are contacted with the locking rod 4723, the locking rod 4723 moves back and forth in the locking cavity 4724 through the locking spring 4722 and resists against the second spline 4721 to prevent the vacuum rod 471 from sliding downwards under the action of pressure, the vacuum rod 471 is locked through the locking assembly 472, so that continuous pressure is generated in the second vacuum cavity 473, the continuous fixing effect of the fixing mechanism 4 is ensured, a user pulls the locking rod 4723 to move in the locking cavity 4724 to enable the locking rod 4723 to be out of contact with the second spline 4721 and reduce the pressure in the second vacuum cavity 473 to the minimum under the cooperation of the steel wire rope 482, and the subsequent carrying of the transformer body 1 is facilitated.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.