阅读说明：本技术 一种套管用油枕及其加工工艺 (Oil conservator for sleeve and processing technology thereof ) 是由 尹志华 于 2020-05-27 设计创作，主要内容包括：本发明公开了一种套管用油枕及其加工工艺,包括有油枕主体,油枕主体的一端安装有油枕盖板,油枕主体的另一端安装有后端密封板,后端密封板中部和油枕盖板的中部分别设有安装孔,安装孔内安装有用于导电的铜管,铜管的前端部伸出油枕盖板端外,且油枕盖板上安装有与铜管配合的导电头,铜管的后端部与油枕主体之间通过后端密封板压封,位于油枕主体内的铜管上安装有辅助压封的弹簧压紧机构,油枕主体的上端安装有油表,油表的下端安装有伸入至油枕主体内的连杆浮球。本发明采用筒形横直的放置方式,其能够更好的方便检测和加油、排垢,利用弹簧的反作用力对后端密封板进行压紧密封,保证其密封性能,而且稳定性好,不容易损坏。(The invention discloses an oil conservator for a sleeve and a processing technology thereof, and the oil conservator comprises an oil conservator main body, wherein one end of the oil conservator main body is provided with an oil conservator cover plate, the other end of the oil conservator main body is provided with a rear end sealing plate, the middle part of the rear end sealing plate and the middle part of the oil conservator cover plate are respectively provided with a mounting hole, a copper pipe for conducting electricity is mounted in the mounting hole, the front end part of the copper pipe extends out of the end of the oil conservator cover plate, a conducting head matched with the copper pipe is mounted on the oil conservator cover plate, the space between the rear end part of the copper pipe and the oil conservator main body is press-sealed through the rear end sealing plate, a spring pressing mechanism for assisting the press-sealing is mounted on the copper pipe in the oil conservator main. The invention adopts a cylindrical transverse and straight placement mode, can better and conveniently detect, fill oil and remove dirt, utilizes the counterforce of the spring to tightly press and seal the rear end sealing plate, ensures the sealing performance, has good stability and is not easy to damage.)

1. The utility model provides a conservator for sleeve pipe which characterized in that: the oil conservator comprises an oil conservator main body (1), wherein the oil conservator main body (1) is of a hollow cylindrical structure, an oil conservator cover plate (2) is installed at one end of the oil conservator main body (1), a rear end sealing plate (3) is installed at the other end of the oil conservator main body (1), mounting holes are respectively formed in the middle of the rear end sealing plate (3) and the middle of the oil conservator cover plate (2), a copper pipe (4) used for conducting electricity is installed in each mounting hole, the front end part of the copper pipe (4) extends out of the end of the oil conservator cover plate (2), a conducting head (5) matched with the copper pipe is installed on the oil conservator cover plate (2), a pressure seal is formed between the rear end part of the copper pipe (4) and the oil conservator main body (1) through the rear end sealing plate (3), a spring pressing mechanism (7) used for assisting the pressure seal is installed on the copper pipe (4) located in the oil conservator main, the lower extreme of conservator (8) is installed and is stretched into connecting rod floater (9) in the conservator main part, conservator main part (1) is pressed fitting through the conservator clamp plate in the upper end of conservator (8), the bottom of conservator main part (1) is equipped with oil drain hole (6).

2. The conservator for bushing according to claim 1, wherein: the oil conservator is characterized in that fixed mounting holes are uniformly distributed in the circumferential position of the oil conservator cover plate (2) at intervals, the oil conservator cover plate (2) is fixedly mounted on the oil conservator main body (1) through the fixed mounting holes, and a sealing ring is mounted between the corresponding mounting end faces.

3. The conservator for bushing according to claim 1, wherein: the middle mounting hole position of conservator cover plate (2) is installed and is connected backing plate (11), the middle part of connecting backing plate (11) is equipped with guide sleeve (10) that supplies the copper pipe direction, guide sleeve (10) overcoat is equipped with connecting backing plate (11) and is connected fixedly and electrically conductive head (5).

4. The conservator for bushing according to claim 1, wherein: the spring pressing mechanism (7) comprises a spring base plate (7-1), a plurality of guide rods (7-2) arranged at intervals are distributed on the spring base plate (7-1), a spring pressing plate (7-3) is fixedly mounted on each guide rod (7-2), compression springs (7-4) are sleeved on the guide rods (7-2) between the spring pressing plates (7-3) and the spring base plate (7-1), and guide holes for guiding the copper pipes (4) are respectively formed in the middle parts of the spring base plate (7-1) and the spring pressing plate (7-3).

5. The conservator for bushing according to claim 4, wherein: the oil conservator is characterized in that the spring base plate (7-1) is fixedly installed in the oil conservator main body (1) through a fixing nail, the end parts of the guide rods (7-2) are respectively provided with a thread section, the spring pressing plate (7-3) is fixedly locked on the guide rods (7-2) through locking nuts (7-5), and the compression springs (7-4) are in a compression state.

6. The conservator for bushing according to claim 1, wherein: the tubular structure of the conservator main body is molded through a casting mold, the tubular body needs to be subjected to finish machining after molding, and the specific production and machining process of the tubular body is as follows:

(1) turning an outer cylindrical surface of an oil pillow main body, clamping one end surface of a cylindrical blank through a 3-jaw chuck, turning the other end surface, turning mounting holes of a reference surface and a rear-end sealing plate, and reserving certain allowance for the reference surface and the mounting holes;

(2) boring the cylinder, clamping the reference surface of the mounting end of the rear-end sealing plate processed in the first step through a 3-jaw chuck, finely boring an inner hole of the cylinder, and ensuring the dimensional tolerance and the surface roughness of 3.2 by a limiting groove in the cylinder;

(3) then, positioning the cylinder body through the inner hole of the cylinder body in the step two of the 3 jaw chuck by using the end face, turning a mounting hole, a mounting end face, a groove and an inner surface of a rear-end sealing plate, and ensuring that the wall thickness and the surface roughness are 3.2;

(4) the positioning tool comprises a base (12), a clamping groove (13) is formed in the base (12), clamping and positioning mechanisms are arranged on two sides of the clamping groove (13), each clamping and positioning mechanism comprises an L-shaped mounting support (14), arc-shaped clamping plates (15) used for clamping a cylinder body of the oil conservator body are mounted on the L-shaped mounting supports (14) through screws respectively, and the positions of the screws on the L-shaped mounting supports are adjustable;

(5) then, a threaded hole is bored in the side face of the side clamping tool clamping cylinder through the side clamping tool clamping cylinder, the side clamping tool comprises a base, a V-shaped clamping groove (16) is installed on the base, clamping plates (17) used for clamping the circumferential side face of the cylinder are arranged on two sides of the V-shaped clamping groove (16), the clamping plates are installed on a vertical plate (18) on the outer side of the clamping plate through screws, and the positions of the screws on the vertical plate (18) are adjustable;

(6) and finally milling the reinforcing ribs by a milling machine, deburring, repair welding, grinding, cleaning and warehousing for assembly.

The technical field is as follows:

the invention relates to the field of transformers in the electrical industry, and mainly relates to an oil conservator for a sleeve and a processing technology thereof.

Background art:

the oil conservator is one of important parts on the sleeve, and mainly plays a role in oil storage, so that the oil conservator can be fully stored with oil, and meanwhile, because the contact surface of the oil conservator and air is reduced, water, dust and oil dirt absorbed in the air are deposited at the bottom and can be periodically discharged. The side surface of the oil conservator is provided with an oil meter which can detect the change of the oil level. Due to the development of the existing transformer technology, the updating of the sleeve technology forces all parts to include quality, the service life is prolonged, and particularly, the larger oil conservator is simple in structure, when the oil level position is too high, the internal pressure of the sleeve is easily too high, the stability of a pressing part is poor, oil leakage of the sleeve is easily caused, the sealing performance cannot meet the requirement, and the oil level position is too low, so that the oil level change cannot be observed, and the oil conservator structure needs to be improved.

The invention content is as follows:

the invention aims to make up for the defects of the prior art and provides an oil conservator for a casing and a processing technology thereof.

The invention is realized by the following technical scheme:

an oil conservator for a casing comprises an oil conservator main body which is a hollow cylinder structure, one end of the conservator main body is provided with an conservator cover plate, the other end of the conservator main body is provided with a rear end sealing plate, the middle part of the rear end sealing plate and the middle part of the oil conservator cover plate are respectively provided with a mounting hole, a copper pipe for conducting electricity is arranged in the mounting hole, the front end part of the copper pipe extends out of the end of the oil conservator cover plate, and the oil conservator cover plate is provided with a conductive head matched with the copper pipe, the space between the rear end part of the copper pipe and the oil conservator main body is sealed by a rear end sealing plate, the copper pipe in the oil conservator main body is provided with a spring pressing mechanism for assisting in sealing, an oil meter is arranged at the upper end of the oil conservator main body, a connecting rod floating ball extending into the oil conservator main body is arranged at the lower end of the oil meter, the upper end of the oil gauge is pressed on the oil conservator main body through an oil gauge pressing plate, and an oil drain hole is formed in the bottom end of the oil conservator main body.

The oil conservator cover plate is characterized in that fixed mounting holes are uniformly distributed in the circumferential position of the oil conservator cover plate at intervals, the oil conservator cover plate is fixedly mounted on the oil conservator main body through the fixed mounting holes, and a sealing ring is mounted between the corresponding mounting end faces.

The middle mounting hole position of the conservator cover plate is provided with and connected with a base plate, the middle part of the connecting base plate is provided with a guide sleeve for guiding a copper pipe, and the guide sleeve is sleeved with the connecting base plate to be connected and fixed with a conductive head.

The spring pressing mechanism comprises a spring base plate, a plurality of guide rods arranged at intervals are distributed on the spring base plate, a spring pressing plate is fixedly mounted on each guide rod, a compression spring is sleeved on each guide rod between each spring pressing plate and the corresponding spring base plate, and guide holes for guiding the copper pipes are formed in the middle parts of the spring base plates and the spring pressing plates respectively.

The spring base plate is fixedly installed in the oil conservator body through the fixing nail, the end portions of the guide rods are respectively provided with a thread section, the spring pressing plate is fixedly locked on the guide rods through the locking nuts, and the compression springs are in a compression state.

The oil conservator for the sleeve is formed by a casting mold for a barrel structure of the oil conservator main body, the barrel needs to be subjected to finish machining after forming, and the specific production and processing technology of the barrel is as follows:

(1) turning an outer cylindrical surface of an oil pillow main body, clamping one end surface of a cylindrical blank through a 3-jaw chuck, turning the other end surface, turning mounting holes of a reference surface and a rear-end sealing plate, and reserving certain allowance for the reference surface and the mounting holes;

(2) boring the cylinder, clamping the reference surface of the mounting end of the rear-end sealing plate processed in the first step through a 3-jaw chuck, finely boring an inner hole of the cylinder, and ensuring the dimensional tolerance and the surface roughness of 3.2 by a limiting groove in the cylinder;

(3) then, positioning the cylinder body through the inner hole of the cylinder body in the step two of the 3 jaw chuck by using the end face, turning a mounting hole, a mounting end face, a groove and an inner surface of a rear-end sealing plate, and ensuring that the wall thickness and the surface roughness are 3.2;

(4) drilling through a positioning tool drilling jig, wherein the positioning tool comprises a base, a clamping groove is formed in the base, clamping and positioning mechanisms are arranged on two sides of the clamping groove and comprise L-shaped mounting supports, arc-shaped clamping plates for clamping the oil conservator main body cylinder are respectively mounted on the L-shaped mounting supports through screws, and the positions of the screws on the L-shaped mounting supports are adjustable;

(5) then, a threaded hole is bored in the side face of the side clamping tool clamping cylinder through the side clamping tool clamping cylinder, the side clamping tool comprises a base, a V-shaped clamping groove is arranged on the base, clamping plates used for clamping the circumferential side face of the cylinder are arranged on two sides of the V-shaped clamping groove, the clamping plates are arranged on vertical plates on the outer sides of the clamping grooves through screw rods, and the positions of the screw rods on the vertical plates are adjustable;

(6) and finally milling the reinforcing ribs by a milling machine, deburring, repair welding, grinding, cleaning and warehousing for assembly.

The principle is as follows: traditional conservator structure has been changed, adopt the horizontal straight placing method of cylindric, through conservator apron detachable structure, the installation of copper conductor pipe has been made things convenient for, structure through connecting the backing plate, can make things convenient for the installation of conductive head and the sealing performance of conductive head and conservator inner tube, can compress tightly fixedly the rear end closing plate of installation copper pipe through spring hold-down mechanism's one side, the reaction force that utilizes the spring compresses tightly sealed the rear end closing plate, guarantee its sealing performance, and stability is good, be difficult to damage, simultaneously, through spring clamp's structure, can lead to the copper pipe, oil outlet among this structural design sets up the side bottom portion in the conservator main part, the side upper end at the conservator main part is installed to the oil meter clamp plate, its convenient detection that can be better and refuel, the scale removal, the operation requirement has been satisfied.

The invention has the advantages that:

the invention has reasonable structural design, adopts a cylindrical transverse and straight placement mode, can better facilitate detection, oil filling and scale removal, utilizes the counterforce of the spring to compress and seal the rear end sealing plate, ensures the sealing performance, has good stability, is not easy to damage and meets the use requirement.

Description of the drawings:

fig. 1 is a three-dimensional cross-sectional view of the present invention.

Fig. 2 is a front sectional view of the present invention.

Fig. 3 is a schematic structural view of the positioning tool.

Fig. 4 is a schematic structural view of the side clamping tool.

The specific implementation mode is as follows:

see the drawings.

An oil conservator for a sleeve comprises an oil conservator main body 1, wherein the oil conservator main body 1 is of a hollow cylinder structure, one end of the oil conservator main body 1 is provided with an oil conservator cover plate 2, the other end of the oil conservator main body 1 is provided with a rear end sealing plate 3, the middle part of the rear end sealing plate 3 and the middle part of the oil conservator cover plate 2 are respectively provided with a mounting hole, a copper pipe 4 for conducting electricity is mounted in the mounting hole, the front end part of the copper pipe 4 extends out of the end of the oil conservator cover plate 2, the oil conservator cover plate 2 is provided with an electric conduction head 5 matched with the copper pipe, the space between the rear end part of the copper pipe 4 and the oil conservator main body 1 is sealed by the rear end sealing plate 3, a spring hold-down mechanism 7 for assisting in sealing is mounted on the copper pipe 4 in the oil conservator main body 1, an oil gauge 8 is mounted at the upper end of the oil conservator main body 1, a connecting rod floating, the bottom end of the conservator main body 1 is provided with an oil drain hole 6.

Further, the circumference position equipartition of conservator apron 2 has the fixed mounting hole that the interval set up, and conservator apron 2 passes through fixed mounting hole fixed mounting on conservator main part 1, and installs the sealing washer between the installation terminal surface that corresponds between it. The oil conservator cover plate is installed through a plurality of fixed mounting holes, and sealing stability can be guaranteed when external force is collected during installation.

Further, a connecting base plate 11 is installed at the position of a middle installation hole of the oil conservator cover plate 2, a guide sleeve 10 for guiding the copper pipe is arranged in the middle of the connecting base plate 11, and the connecting base plate 11 is sleeved outside the guide sleeve 10 and connected and fixed with the conductive head 5. Through the structural design of connecting the backing plate, guaranteed the fixed mounting of conducting terminal on the one hand, on the other hand can lead the tip of copper pipe, has guaranteed the stability of copper pipe.

Further, the spring pressing mechanism 7 comprises a spring base plate 7-1, a plurality of guide rods 7-2 arranged at intervals are distributed on the spring base plate 7-1, a spring pressing plate 7-3 is fixedly arranged on the guide rods 7-2, a compression spring 7-4 is sleeved on the guide rod 7-2 between the spring pressing plate 7-3 and the spring base plate 7-1, and guide holes for guiding the copper pipes 4 are respectively formed in the middle parts of the spring base plate 7-1 and the spring pressing plate 7-3. The back end sealing plate is compressed and sealed by the counterforce of the spring, the sealing performance of the back end sealing plate is guaranteed, and the copper pipe can be guided by the structure of the spring pressing plate.

Further, the spring base plate 7-1 is fixedly installed in the oil conservator main body 1 through a fixing nail, the end parts of the guide rods 7-2 are respectively provided with a threaded section, the spring pressing plate 7-3 is fixedly locked on the guide rods 7-2 through the locking nuts 7-5 by the spring pressing plate 7-3, and the compression springs 7-4 are in a compression state. The spring pressing plate is positioned through the locking nut, and the counterforce of the compression spring is guaranteed to be used for pressing.

Further, the conservator for the sleeve pipe is molded through a casting mold to the barrel structure of the conservator main body, the barrel needs to be subjected to finish machining after molding, and the specific production and processing technology of the barrel is as follows:

(1) turning an outer cylindrical surface of an oil pillow main body, clamping one end surface of a cylindrical blank through a 3-jaw chuck, turning the other end surface, turning mounting holes of a reference surface and a rear-end sealing plate, and reserving certain allowance for the reference surface and the mounting holes;

(2) boring the cylinder, clamping the reference surface of the mounting end of the rear-end sealing plate processed in the first step through a 3-jaw chuck, finely boring an inner hole of the cylinder, and ensuring the dimensional tolerance and the surface roughness of 3.2 by a limiting groove in the cylinder;

(3) then, positioning the cylinder body through the inner hole of the cylinder body in the step two of the 3 jaw chuck by using the end face, turning a mounting hole, a mounting end face, a groove and an inner surface of a rear-end sealing plate, and ensuring that the wall thickness and the surface roughness are 3.2;

(4) drilling through a positioning tool drilling jig, wherein the positioning tool comprises a base 12, a clamping groove 13 is formed in the base 12, clamping and positioning mechanisms are arranged on two sides of the clamping groove 13 and comprise L-shaped mounting supports 14, arc-shaped clamping plates 15 used for clamping the oil conservator main body cylinder are respectively mounted on the L-shaped mounting supports 14 through screws, and the positions of the screws on the L-shaped mounting supports 14 are adjustable;

(5) then, a threaded hole is bored in the side face of the cylinder body through a side clamping tool, the side clamping tool comprises a base, a V-shaped clamping groove 16 is installed on the base, clamping plates 17 used for clamping the circumferential side face of the cylinder body are arranged on two sides of the V-shaped clamping groove 17, the clamping plates 17 are installed on a vertical plate 18 on the outer side of the clamping plates 17 through screws, and the positions of the screws on the vertical plate 18 are adjustable;

(6) and finally milling the reinforcing ribs by a milling machine, deburring, repair welding, grinding, cleaning and warehousing for assembly.

The oil conservator is characterized in that the oil conservator main body is of a cylinder structure, the size of the oil conservator main body is large, and therefore the oil conservator is inconvenient to process and produce due to the fact that a traditional finish machining method is adopted after the oil conservator main body is formed, and therefore a corresponding special processing tool is adopted in the production process, the requirements of convenient processing and corresponding drilling of the end face and the side face of the cylinder are met, the designed processing tool meets the requirements of batch processing and production, and the processing precision can be guaranteed.