Experimental frock of oil gas detection device
Technical Field
The utility model relates to an oil gas detection field specifically is an experimental frock of oil gas detection device.
Background
The oil-gas casing test generally comprises the steps that an oil end is immersed in transformer oil, and a gas end is placed in SF6 gas to carry out an electrical performance test; general test of oil and gas casing has the following defects: 1. because the oil end of the oil-gas casing needs to be immersed in the transformer oil, an oil tank for placing the transformer oil is needed, the cost is high, and the operation is inconvenient; 2. meanwhile, after the sleeve is immersed in the transformer oil, the transformer oil on the surface of the sleeve needs to be cleaned after the test is finished, so that the operation is time-consuming and causes environmental pollution; 3. the gas tank for containing SF6 gas is needed to be arranged at the gas end of the oil-gas casing pipe, and after one end of the casing pipe is immersed in the transformer oil, the gas tank for containing SF6 gas needs to be lifted and placed at the other end of the casing pipe, so that the operation is inconvenient; 4. meanwhile, when each sleeve is tested, the connection between the gas tank and the oil gas sleeve needs to be dismantled back and forth, which wastes time and labor.
In order to solve the problems, through retrieval, the patent with the publication number of CN204631163U discloses an oil gas casing pipe test tool, and the article proposes that the tool comprises an L-shaped tank body and a movable tank body, one end of the L-shaped tank body is provided with a connector connected with a GIS transformer casing pipe, the other end of the L-shaped tank body is provided with a connector connected with an oil end of the oil gas casing pipe, one end of the movable tank body is sealed, the other end of the movable tank body is provided with a connector connected with an air end of the oil gas casing pipe, and the L-shaped casing pipe and the movable casing pipe are respectively provided with an inflation hole and an air pressure gauge. The connection between the tank body and the oil gas casing pipe is directly fixed through the flange, and when the test is carried out, the connection position easily causes the conditions of leakage, overflow and drip leakage, and the test effect is influenced.
In view of the above, the present invention has been made in view of the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an experimental frock of oil gas detection device to solve the defect mentioned in the above-mentioned background art.
In order to realize the above-mentioned purpose, provide an experimental frock of oil gas detection device, include: an oil-gas casing structure and a sealing structure;
one end of the oil-gas casing pipe structure is fixedly connected with the gas end of the oil-gas casing pipe, the other end of the oil-gas casing pipe structure is fixedly connected with the oil end of the oil-gas casing pipe, an L-shaped tank body is fixedly arranged on the outer side of the gas end of the oil-gas casing pipe, a linear tank body is fixedly arranged on the outer side of the oil end of the oil-gas casing pipe, and a pressure gauge and an inflation end are arranged on the outer sides of the linear tank body and the L-shaped tank body; the L-shaped tank body and the gas end of the oil-gas casing pipe are connected in a sealing mode through a sealing structure, and the oil end of the oil-gas casing pipe and the linear tank body are connected in a sealing mode through a sealing structure.
The left flange on the sealing structure is welded on the oil-gas sleeve structure, the right flange is welded and fixed on the straight-line tank body, a sealing gasket is installed between the right flange and the left flange, and the right flange and the left flange are uniformly fixedly connected through a plurality of groups of fixing bolts.
Preferably, the sealing structure comprises a fixing bolt, a left flange, a sealing gasket, a right flange, an isolation groove and an isolation gasket, and the diameters of the left flange and the right flange are consistent.
Preferably, evenly fixed three groups of isolation pads that are provided with on the sealing washer, and three groups of isolation pads are isosceles trapezoid with the section in isolation groove and set up, and the section size top-down of three groups of isolation pads reduces in proper order simultaneously.
Preferably, the isolation pad is matched with the isolation groove in size, the isolation pad is clamped inside the isolation groove, and the isolation groove is formed in the side wall of the right flange.
Preferably, the inflation end comprises an inflation inlet, a sealing end, a separation plate, a return spring, an orifice plate, a sealing ball and an air hole, and the top of the sealing end is welded and fixed with the inflation inlet.
Preferably, the inside fixed mounting of sealed end has the division board, and the inside downside fixed mounting of sealed end has the orifice plate, and the surface welding of orifice plate has reset spring simultaneously to the one end fixed mounting that reset spring kept away from the orifice plate is in the inside mounting groove of seting up of ball sealer.
Preferably, the inside bleeder vent of having seted up of division board, and the bleeder vent carries out the shutoff through the ball sealer, and the ball sealer is elevation structure on the division board simultaneously.
Compared with the prior art, the beneficial effects of the utility model are that: the oil-gas casing pipe sealing structure comprises an L-shaped tank body, a straight line tank body, an oil-gas casing pipe oil end and a sealing structure, wherein the L-shaped tank body and the straight line tank body are fixed on the oil-gas casing pipe air end and the oil-gas casing pipe oil end respectively, and are sealed through the sealing structure.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a schematic view of the structure sealing structure of the present invention;
FIG. 3 is a schematic view of the structural gasket of the present invention;
fig. 4 is a schematic view of the structure of the present invention.
Reference numbers in the figures: 1. an L-shaped tank body; 2. an oil gas casing gas end; 3. an oil and gas casing structure; 4. a sealing structure; 41. fixing the bolt; 42. a left flange; 43. a gasket; 44. a right flange; 45. an isolation trench; 46. an isolation pad; 5. a pressure gauge; 6. an inflation end; 61. an inflation inlet; 62. sealing the end; 63. a separator plate; 64. a return spring; 65. an orifice plate; 66. a sealing ball; 67. air holes are formed; 7. a linear tank body; 8. and (5) oil end of an oil-gas casing pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the utility model provides an oil gas detection device test tool, including: an oil gas casing structure 3 and a sealing structure 4;
one end of the oil-gas casing structure 3 is fixedly connected with an oil-gas casing gas end 2, the other end of the oil-gas casing structure 3 is fixedly connected with an oil-gas casing oil end 8, an L-shaped tank body 1 is fixedly installed on the outer side of the oil-gas casing gas end 2, a linear tank body 7 is fixedly installed on the outer side of the oil-gas casing oil end 8, and a pressure gauge 5 and an inflation end 6 are installed on the outer sides of the linear tank body 7 and the L-shaped tank body 1; the L-shaped tank body 1 and the oil-gas casing gas end 2 are connected in a sealing mode through the sealing structure 4, and the oil-gas casing oil end 8 and the linear tank body 7 are connected in a sealing mode through the sealing structure 4.
The left flange 42 on the sealing structure 4 is welded on the oil-gas casing structure 3, the right flange 44 is welded and fixed on the linear tank body 7, meanwhile, a sealing gasket 43 is arranged between the right flange 44 and the left flange 42, and the right flange 44 and the left flange 42 are uniformly fixedly connected through a plurality of groups of fixing bolts 41.
The working principle is as follows: when in use, the L-shaped tank body 1 and the linear tank body 7 are respectively fixed on the gas end 2 and the oil end 8 of the oil-gas casing pipe and are sealed by the sealing structure 4, and as the L-shaped tank body 1 and the linear tank body 7 need to have good air sealing when the oil-gas casing pipe is tested, otherwise, the L-shaped tank body 1 and the linear tank body 7 cannot be accurately tested, and the sealing structure 4 is arranged, so that the problem that the L-shaped tank body 1 and the linear tank body 7 are easy to leak at the connecting positions with the oil gas sleeve gas end 2 and the oil gas sleeve oil end 8 is solved well.
As a preferred embodiment, the sealing structure 4 includes a fixing bolt 41, a left flange 42, a sealing gasket 43, a right flange 44, an isolation groove 45 and an isolation gasket 46, and the diameters of the left flange 42 and the right flange 44 are uniform.
As shown in fig. 1: the sealing structures 4 are arranged into two groups and respectively seal the L-shaped tank body 1 and the gas end 2 of the oil-gas casing pipe; and the linear tank body 7 and the oil end 8 of the oil-gas casing pipe are sealed.
In a preferred embodiment, three sets of isolation pads 46 are uniformly fixed on the sealing pad 43, and the cross sections of the three sets of isolation pads 46 and the isolation grooves 45 are isosceles trapezoid, and the cross sectional dimensions of the three sets of isolation pads 46 decrease sequentially from top to bottom.
As shown in fig. 1-2: three groups of isolation pads 46 are uniformly and fixedly arranged on the sealing gasket 43, and three sealing barriers can be formed sequentially by the three groups of isolation pads 46, so that the connection part can be fully sealed.
In a preferred embodiment, the size of the isolation pad 46 is matched with that of the isolation slot 45, the isolation pad 46 is clamped inside the isolation slot 45, and the isolation slot 45 is opened on the side wall of the right flange 44.
As shown in fig. 2: the gasket 43 is squeezed between the left flange 42 and the right flange 44, so that the gasket 43 deforms, and the deformed gasket 43 can fill the gap between the left flange 42 and the right flange 44, thereby improving the sealing property of the connection between the left flange 42 and the right flange 44.
In a preferred embodiment, the inflation end 6 comprises an inflation port 61, a sealing end 62, a separation plate 63, a return spring 64, an orifice plate 65, a sealing ball 66 and an air hole 67, and the top of the sealing end 62 is welded and fixed with the inflation port 61.
As shown in fig. 1 and 4: the setting of the inflating end 6 can inflate the inside of the straight tank body 7, and the non-return structure is arranged inside the inflating end 6, so that the air leakage of the straight tank body 7 can be avoided after the inside of the straight tank body 7 is inflated.
In a preferred embodiment, the inside of the sealing end 62 is fixedly provided with a partition plate 63, and the inside lower side of the sealing end 62 is fixedly provided with an orifice plate 65, while the surface of the orifice plate 65 is welded with a return spring 64, and one end of the return spring 64 far away from the orifice plate 65 is fixedly arranged in a mounting groove formed in the sealing ball 66.
In a preferred embodiment, the isolation plate 63 is provided with a vent hole 67 therein, and the vent hole 67 is sealed by the sealing ball 66, and the sealing ball 66 is a lifting structure on the isolation plate 63.
As shown in fig. 4: when gas enters the inside of sealed end 62 from inflation mouth 61, the surface atress of sealing ball 66 compresses reset spring 64 for sealing ball 66 breaks away from bleeder vent 67 is inside, and gas enters into the inside of the straight line jar body 7, and when gas stops the input, restores to the throne the rebound effect at reset spring 64 and under, makes sealing ball 66 resume to initial position, carries out shutoff work to bleeder vent 67.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.