CN214066422U

CN214066422U - Leak hunting frock

Info

Publication number: CN214066422U
Application number: CN202023278323.7U
Authority: CN
Inventors: 郭周平; 刘晓薇
Original assignee: Changsha Hongrui Electric Equipment Co ltd
Current assignee: Changsha Hongrui Electric Equipment Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-08-27
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses a leak hunting frock, include: leak hunting frame, frock lower cover, frock upper cover. The lower tooling cover is fixedly connected to the bottom of the leakage detection frame and used for supporting the insulator and forming a leakage detection cavity with the bottom of the insulator, and an inflation inlet extending to the leakage detection cavity is formed in the lower tooling cover; the tooling upper cover is used for abutting against the top of the insulator and forming a testing cavity with the top of the insulator, and a gas detection port extending to the testing cavity is formed in the tooling upper cover; an elastic buffer device is arranged at the center of the top of the upper cover of the tool; wherein the top of the leak detection frame is provided with a pressing device for compressing the elastic buffer device and clamping the insulator. Because bolt connection is not used, the phenomenon of air leakage caused by uneven bolt fastening is effectively avoided, and the insulator to be detected can be subjected to leakage detection installation without dismounting the bolt through the leakage detection tool, so that the operation is convenient, the cost is low, the accuracy rate is high, and the efficiency is high.

Description

Leak hunting frock

Technical Field

The utility model relates to an insulator field especially relates to a leak hunting frock.

Background

At present, due to the particularity of an insulator workpiece, in the process of performing an air tightness test on an insulator, an existing tool clamp is fixed by using bolts, the operation of screwing and disassembling the bolts is complex, misoperation occurs easily, the inaccuracy of test data is caused, and the working efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a leak hunting frock can simplify the operating procedure to insulator gas tightness test, improves test data's rate of accuracy and work efficiency.

According to the utility model discloses a leak hunting frock of first aspect embodiment, include: leak hunting frame, frock lower cover, frock upper cover. The lower tooling cover is fixedly connected to the bottom of the leakage detection frame and is used for supporting the insulator and forming a leakage detection cavity with the bottom of the insulator, and an inflation inlet extending to the leakage detection cavity is formed in the lower tooling cover; the tooling upper cover is used for abutting against the top of the insulator and forming a testing cavity with the top of the insulator, and a gas detection port extending to the testing cavity is formed in the tooling upper cover; an elastic buffer device is arranged at the center of the top of the upper cover of the tool; and a pressing device used for compressing the elastic buffer device is arranged at the top of the leak detection frame and used for clamping the insulator.

According to the utility model discloses leak hunting frock has following technological effect at least: the tool lower cover, the insulator and the tool upper cover are tightly pressed by the pressing device and the elastic buffer device, and gas is filled in a leakage detection cavity formed by the tool lower cover and the insulator to detect leakage. Because there is not bolted connection, the effectual phenomenon of having avoided because bolt-up is inhomogeneous and leaking gas, need not to dismantle the bolt through this leak hunting frock moreover and just can carry out the installation of hunting leak to the insulator of waiting to examine, the operation of being convenient for like this, with low costs, the rate of accuracy is high, efficient.

According to the utility model discloses a some embodiments, leak hunting frock still includes the locating pin, the locating pin passes the frock upper cover with the insulator inserts in the frock lower cover, prevent the frock upper cover the frock lower cover with take place to remove between the insulator.

According to some embodiments of the utility model, the insulator with the position of frock lower cover contact is equipped with the sealing washer, and the sealing washer is used for preventing examine the gas leakage in the leakage chamber.

According to the utility model discloses a some embodiments, the insulator is corresponding be equipped with the seal groove on the position of sealing washer, the sealing washer embedding is in the seal groove.

According to some embodiments of the utility model, elastic buffer includes upper cover sleeve, spring, and upper cover sleeve sets up the frock upper cover center, closing device can stretch into in the upper cover sleeve and the compression setting is in the upper cover sleeve spring.

According to some embodiments of the utility model, the elasticity buffer still includes limit switch, limit switch installs upper cover sleeve bottom and with the closing device electrical property links to each other, works as closing device triggers during limit switch, closing device stops to remove.

According to the utility model discloses a some embodiments, leak hunting frock still includes the apical ring, a plurality of thimbles of fixedly connected with on the apical ring, the frock lower cover is opened and is equipped with a plurality of disassembly holes, the thimble can jack-up when the activity is in order to be used for dismantling from top to bottom in the disassembly hole the insulator edge.

According to some embodiments of the present invention, the top ring is fixedly connected with a handle.

According to some embodiments of the invention, the compression device is an electro-hydraulic jack.

According to the utility model discloses a few embodiments, frock lower cover edge is equipped with a location section of thick bamboo, the location barrel casing is established the insulator with cover on the frock.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a seal ring according to an embodiment of the present invention.

Reference numerals:

100 leak detection frame, 110 hold-down device;

200 tooling lower covers, 210 inflation ports, 220 disassembly holes, 221 ejector pins, 222 ejector rings, 223 handles and 230 positioning cylinders;

300, an upper cover of a tool, 310 elastic buffer devices, 311 upper cover sleeves, 312 springs, 313 limit switches and 320 gas detection ports;

400 insulator, 410 leakage detection cavity, 420 test cavity, 430 sealing ring and 440 sealing groove;

500 locating pins.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 2, the utility model discloses leak hunting frock includes: leak detection frame 100, tooling lower cover 200, tooling upper cover 300. The tool lower cover 200 is welded at the bottom of the leakage detection frame 100, the insulator 400 is arranged above the tool lower cover 200, the tool lower cover 200 is used for supporting the insulator 400, a leakage detection cavity 410 is formed by the tool lower cover 200 and the bottom of the insulator 400, and the side surface of the tool lower cover 200 is provided with an air charging port 210 extending to the leakage detection cavity 410; the tooling upper cover 300 is used for abutting against the top of the insulator 400 and forming a testing cavity 420 with the top of the insulator 400, and the tooling upper cover 300 is provided with a gas detection port 320 extending to the testing cavity 420; the center of the top of the upper cover 300 of the tool is provided with an elastic buffer device 310; the top of the leak detection frame 100 is provided with a pressing device 110, the pressing device 110 is used for compressing an elastic buffer device 310, the tool upper cover 300 compresses the insulator 400 after the elastic buffer device 310 is compressed, the elastic buffer device 310 prevents the pressing device 110 from directly abutting against the tool upper cover 300, and the insulator can be prevented from being damaged due to overlarge pressure of the pressing device 110.

The utility model provides a leak hunting frock compresses tightly elastic buffer 310 through closing device 110 to make frock upper cover 300, insulator 400, frock lower cover 200 hug closely, fill in the leak hunting chamber 410 that frock lower cover 200 and insulator 400 formed into gas and leak hunting. Due to the fact that the bolts are not used for connection, the phenomenon of air leakage caused by the fact that the bolts are fastened unevenly is effectively avoided, the detection accuracy is improved, the leakage detection tool can be used for installing and replacing the insulator 400 to be detected without dismounting the bolts, time is saved, detection efficiency is improved, operation is convenient, and cost is low.

The utility model discloses a in some embodiments, leak hunting frock still includes locating pin 500, and locating pin 500 both ends all are equipped with the chamfer rather than the locating hole that passes, location when being convenient for install. The positioning pin 500 passes through the tool upper cover 300 and the insulator 400 and is inserted into the tool lower cover 200, preventing horizontal movement between the tool upper cover 300, the tool lower cover 200, and the insulator 400.

In some embodiments of the present invention, the position of the insulator 400 contacting the lower cover 200 is provided with a sealing ring 430, the sealing ring 430 is disposed inside the positioning pin 500, and the sealing ring 430 is used to prevent gas leakage from the leakage detecting cavity 410.

The utility model discloses a some embodiments, insulator 400 is equipped with seal groove 440 on the position that corresponds sealing washer 430, and the diameter of sealing washer 430 and the degree of depth phase-match of seal groove 440, sealing washer 430 embedding are in seal groove 440, and seal groove 440 prevents that sealing washer 430 from taking place to remove in the position of installation, and the installation and the location of being convenient for can improve the accuracy that detects.

In some embodiments of the present invention, the elastic buffer device 310 includes an upper cover sleeve 311 and a spring 312, the upper cover sleeve 311 is a cylindrical cylinder disposed at the center of the tool upper cover 300, the inner diameter of the upper cover sleeve 311 is matched with the pressing device 110, and the pressing device 110 can extend into the upper cover sleeve 311. A spring 312 is provided in the upper cover sleeve 311, and the pressing means 110 compresses the spring 312 to press the tool upper cover 300. The upper cover sleeve 311 also serves to limit the spring 312 and to guide the pressing device 110. The spring 312 prevents the pressing device 110 from directly pressing the tooling upper cover 300, avoiding damage to the insulator 400.

In some embodiments of the utility model, elastic buffer 310 still includes limit switch 313, limit switch 313 installs in upper cover sleeve 311 bottom, limit switch 313 links to each other with closing device 110 electrical property, when closing device 110 compression spring 312 to triggering limit switch 313, limit switch 313 signals messenger closing device 110 stop motion, limit switch 313 has restricted closing device 110 to the maximum pressure of spring 312, further prevent that too big damage insulator 400 of pressure, change different spring 312 according to the withstand voltage degree of insulator 400, adjust closing device 110's maximum pressure, guarantee the accuracy of test.

In some embodiments of the present invention, the leak detection tool further includes a top ring 222, the top ring 222 is in a circular ring shape, a plurality of thimbles 221 are welded on the top ring 222, a plurality of dismounting holes 220 are provided on the tool lower cover 200, and the dismounting holes 220 are matched with the thimbles 221. The ejector pin 221 is movable up and down in the removal hole 220 for ejecting the edge of the insulator 400 during removal, thereby facilitating the removal of the insulator 400.

In some embodiments of the present invention, the top ring 222 is fixedly connected with a handle 223, and the handle 223 is disposed to facilitate the operation of the top ring 222, so that the operation of taking out the insulator 400 is simpler.

In some embodiments of the present invention, the pressing device 110 is an electro-hydraulic jack. Compared with a manual jack, the electric hydraulic jack is quicker and more accurate in action, high in automation degree and capable of being matched with the limit switch 313 to achieve the function of automatically compressing the upper cover 300 of the tool.

In some embodiments of the present invention, the edge of the tool lower cover 200 is provided with a positioning cylinder 230, and the positioning cylinder 230 is sleeved on the insulator 400 and the tool upper cover 300. During installation, the insulator 400 and the tooling upper cover 300 are only required to be placed into the positioning cylinder 230, alignment is not required, the installation steps are simplified, and time is saved.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example" or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A leak detection tool is used for detecting the air tightness of an insulator (400); it is characterized by comprising:

a leak detection frame (100);

the lower tooling cover (200) is fixedly connected to the bottom of the leakage detection frame (100) and used for supporting the insulator (400) and forming a leakage detection cavity (410) with the bottom of the insulator (400), and the lower tooling cover (200) is provided with an air inflation port (210) extending to the leakage detection cavity (410);

the upper tooling cover (300) is used for abutting against the top of the insulator (400) and forming a testing cavity (420) with the top of the insulator (400), and the upper tooling cover (300) is provided with a gas detection port (320) extending to the testing cavity (420); an elastic buffer device (310) is arranged at the center of the top of the upper tool cover (300);

wherein the top of the leak detection frame (100) is provided with a pressing device (110) for compressing the elastic buffer device (310) and clamping the insulator (400).

2. The leak detection tool according to claim 1, characterized in that: the leak detection tool further comprises a positioning pin (500), wherein the positioning pin (500) penetrates through the upper tool cover (300) and the insulator (400) and is inserted into the lower tool cover (200), so that the upper tool cover (300), the lower tool cover (200) and the insulator (400) are prevented from moving.

3. The leak detection tool according to claim 1, characterized in that: and a sealing ring (430) is arranged at the contact position of the insulator (400) and the lower cover (200) of the tool, and the sealing ring (430) is used for preventing gas in the leakage detection cavity (410) from leaking.

4. Leak detection tooling according to claim 3, characterized in that: the insulator (400) is provided with a sealing groove (440) at a position corresponding to the sealing ring (430), and the sealing ring (430) is embedded in the sealing groove (440).

5. The leak detection tool according to claim 1, characterized in that: the elastic buffer device (310) comprises an upper cover sleeve (311) and a spring (312), the upper cover sleeve (311) is arranged in the center of the upper tool cover (300), and the pressing device (110) can extend into the upper cover sleeve (311) and compress the spring (312) arranged in the upper cover sleeve (311).

6. The leak detection tool according to claim 5, characterized in that: the elastic buffer device (310) further comprises a limit switch (313), the limit switch (313) is installed at the bottom of the upper cover sleeve (311) and electrically connected with the pressing device (110), and when the pressing device (110) triggers the limit switch (313), the pressing device (110) stops moving.

7. The leak detection tool according to claim 1, characterized in that: leak hunting frock still includes apical ring (222), a plurality of thimbles (221) of fixedly connected with on apical ring (222), a plurality of disassembly holes (220) have been seted up in frock lower cover (200), thimble (221) can be in the top-down activity in disassembly hole (220) is in when being used for the dismantlement jack-up insulator (400) edge.

8. Leak detection tooling according to claim 7, characterized in that: a handle (223) is fixedly connected to the top ring (222).

9. The leak detection tool according to claim 1, characterized in that: the pressing device (110) is an electric hydraulic jack.

10. The leak detection tool according to claim 1, characterized in that: the edge of the lower tool cover (200) is provided with a positioning cylinder (230), and the positioning cylinder (230) is sleeved on the insulator (400) and the upper tool cover (300).