CN212903764U

CN212903764U - Fixing mechanism for detecting welding tightness of high-voltage switch shell

Info

Publication number: CN212903764U
Application number: CN202021079417.9U
Authority: CN
Inventors: 丁锦程
Original assignee: Tongwei Electric Haian Co ltd
Current assignee: Tongwei Electric Haian Co ltd
Priority date: 2020-06-12
Filing date: 2020-06-12
Publication date: 2021-04-06
Anticipated expiration: 2030-06-12

Abstract

The utility model relates to a high tension switchgear casing detects technical field, specific high tension switchgear casing welding leakproofness detects and uses fixed establishment that says so, comprising a water tank, bottom fixedly connected with support column in the water tank, support column upper end fixedly connected with backup pad, water tank upper end middle part is equipped with the opening, the water tank upper end just is located two sets of guide bars of the equal fixedly connected with in the opening left and right sides. The utility model drives the threaded rod to rotate reversely through the reverse work of the motor, so that the cover plate moves downwards, the clamp plate extends into the water tank until the cover plate is positioned at the upper end of the water tank, and the clamp plate is tightly pressed at the upper end of the shell, thereby fixing the shell in the vertical direction; through double-end cylinder work, two sets of movable plates of drive slide in the slotted hole for two sets of splint remove to the direction of casing, thereby press from both sides the casing tight fixedly in the horizontal direction, make the casing remain stable in aqueous, can not avoid influencing the detection precision because the buoyancy of water takes place to rock.

Description

Fixing mechanism for detecting welding tightness of high-voltage switch shell

Technical Field

The utility model relates to a high tension switchgear casing detects technical field, specifically is a high tension switchgear casing welding leakproofness detects and uses fixed establishment.

Background

The high-voltage switch shell is generally a welding part, and the sealing performance of the welding part can be normally used only if certain indexes are met. Therefore, before the high-voltage switch casing is put into actual use, it is necessary to detect the sealing performance of the high-voltage switch casing. In the prior art, water bath detection is generally adopted, namely, a sealed shell filled with gas is put into water, whether bubbles are generated in the water is observed, if bubbles are generated, the shell is poor in sealing performance, and the gas in the shell leaks. Because water has buoyancy, the product placed in water is easy to shake, so that the detected water is unstable, and the detection precision is influenced. Therefore, a fixing mechanism for detecting the welding tightness of the high-voltage switch shell is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high tension switchgear casing welding leakproofness detects and uses fixed establishment to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a fixing mechanism for detecting welding tightness of a high-voltage switch shell comprises a water tank, wherein a support column is fixedly connected to the bottom in the water tank, a support plate is fixedly connected to the upper end of the support column, an opening is formed in the middle of the upper end of the water tank, two groups of guide rods are fixedly connected to the left side and the right side of the upper end of the water tank, a top plate is fixedly connected to the upper ends of the four groups of guide rods, a threaded rod is rotatably connected to the left side and the right side between the top plate and the upper end of the water tank through bearings, a motor is fixedly mounted on the left side and the right side of the upper end of the top plate, an output shaft of the motor is fixedly connected to the upper end of the threaded rod, a cover plate is connected to the two groups of threaded rods through a common thread, a connecting column, the left side and the right side of the cover plate are both provided with sliding groove holes, the movable plate extends into the lower portion of the cover plate from the sliding groove holes, and the lower end of the movable plate is fixedly connected with a clamping plate.

As a further optimization of the technical scheme, the upper end of the left side of the water tank is communicated with a water inlet pipe, the lower end of the right side of the water tank is communicated with a water drainage pipe, and a valve is installed on the water drainage pipe.

As a further optimization of the technical scheme, rubber pads are bonded on the upper end face of the supporting plate, the lower end face of the pressing plate and the inner side face of the clamping plate.

As a further optimization of the technical scheme, the front end and the rear end of the left side and the right side of the cover plate are respectively provided with a guide hole for the guide rod to pass through.

As a further optimization of the technical scheme, flexible corrugated plates are connected between the left side wall and the right side wall of the sliding chute hole and the movable plate.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model drives the threaded rod to rotate through the work of the motor, so that the cover plate moves upwards, then the shell filled with gas is placed into the upper end of the support plate in the water tank from the opening, then the threaded rod is driven to rotate reversely through the reverse work of the motor, so that the cover plate moves downwards, the clamping plate extends into the water tank until the cover plate is positioned at the upper end of the water tank, and the clamping plate is tightly pressed at the upper end of the shell, so that the shell is fixed in the vertical direction; through double-end cylinder work, two sets of movable plates of drive slide in the slotted hole for two sets of splint remove to the direction of casing, thereby press from both sides the casing tight fixedly in the horizontal direction, make the casing remain stable in aqueous, can not avoid influencing the detection precision because the buoyancy of water takes place to rock.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic side view of the present invention;

fig. 3 is a schematic view of the upper end structure of the cover plate of the present invention.

In the figure: 1. a water tank; 2. a support pillar; 3. a support plate; 4. a guide bar; 5. a top plate; 6. a threaded rod; 7. a motor; 8. a cover plate; 9. connecting columns; 10. pressing a plate; 11. a double-ended cylinder; 12. moving the plate; 13. a splint; 14. a water inlet pipe; 15. a drain pipe; 16. a flexible corrugated plate.

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. 1-3, the present invention provides a technical solution: the utility model provides a high pressure switch casing welding leakproofness detects uses fixed establishment, includes

water tank

1, and 1 left side upper end intercommunication of water tank has inlet tube 14 for to pouring into water in the

water tank

1, 1 right side lower extreme intercommunication of water tank have drain pipe 15, install the valve on the drain pipe 15, open the valve, be used for with the water discharge in the water tank 1. Bottom fixedly connected with support column 2 in

water tank

1, 2 upper ends fixedly connected with backup pads 3 of support column, 1 upper end middle part of water tank is equipped with the opening, 1 upper end of water tank just is located two sets of guide bars 4 of the equal fixedly connected with in the opening left and right sides, the common fixedly connected with roof 5 in the 4 upper ends of four sets of guide bars, the left and right sides all is connected with threaded rod 6 through the bearing rotation between roof 5 and the 1 up end of water tank, the equal fixed mounting in the 5 upper end left and right sides of roof has motor 7, motor 7's output shaft and 6 upper end fixed connection of threaded rod, common threaded connection has apron 8 on two sets of threaded rod 6, the guiding hole that supplies guide bar 4 to pass is all seted up at both ends around the 8 left and right sides of apron, apron 8 slides from top to bottom on guide bar 4. The connecting column 9 is fixedly connected to the middle of the lower end of the cover plate 8, the pressing plate 10 is fixedly connected to the lower end of the connecting column 9, and the shell is pressed above the supporting plate 3 through the pressing plate 10.

8 upper end middle part fixed mounting of apron has double-end cylinder 11, the equal fixedly connected with movable plate 12 of two output end terminals of double-end cylinder 11, the slotted hole has all been seted up to the left and right sides on the apron 8, movable plate 12 stretches into the apron 8 below from slotted hole department, all is connected with flexible buckled plate 16 between the downthehole left and right sides wall of slotted hole and the movable plate 12, shelter from the slotted hole through flexible buckled plate 16, avoid getting into the water fluctuation that the foreign matter caused in the water tank 1 from slotted hole department to influence the testing result. A clamping plate 13 is fixedly connected to the lower end of the moving plate 12, and the housing is clamped and fixed in the horizontal direction by the clamping plate 13.

Specifically, rubber pads are bonded on the upper end face of the supporting plate 3, the lower end face of the pressing plate 10 and the inner side face of the clamping plate 13, so that an anti-skidding effect is achieved, and the supporting plate 3, the pressing plate 10 and the clamping plate 13 clamp the shell more tightly.

Specifically, when the air-filled water tank is used, the motor 7 works to drive the threaded rod 6 to rotate, so that the cover plate 8 moves upwards, the air-filled shell is placed into the upper end of the supporting plate 3 in the water tank 1 from the opening, then the motor 7 works reversely, the threaded rod 6 is driven to rotate reversely, so that the cover plate 8 moves downwards, the clamping plate 13 extends into the water tank 1 until the cover plate 8 is positioned at the upper end of the water tank 1, and the pressing plate 10 is pressed at the upper end of the shell, so that the shell is fixed in the vertical direction; through 11 cylinder work of double-end cylinder, drive two sets of movable plates 12 and slide in the slotted hole for two sets of splint 13 move to the direction of casing, thereby press from both sides the casing tight fixedly in the horizontal direction, make the casing remain stable in aqueous, can not take place to rock because the buoyancy of water, avoid influencing the detection precision.

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.

Claims

1. The utility model provides a high tension switchgear casing welding leakproofness detects and uses fixed establishment, includes water tank (1), its characterized in that: the water tank is characterized in that a supporting column (2) is fixedly connected to the bottom of the water tank (1), a supporting plate (3) is fixedly connected to the upper end of the supporting column (2), an opening is formed in the middle of the upper end of the water tank (1), two groups of guide rods (4) are fixedly connected to the upper end of the left side and the right side of the opening and four groups of guide rods (4), a top plate (5) is fixedly connected to the upper end of each guide rod (4) in a common mode, threaded rods (6) are rotatably connected to the left side and the right side of the upper end of the top plate (5) through bearings, motors (7) are fixedly mounted on the left side and the right side of the upper end of each top plate (5), an output shaft of each motor (7) is fixedly connected to the upper ends of the threaded rods (6), cover plates (8) are connected to the threaded rods (6), apron (8) upper end middle part fixed mounting has double-end cylinder (11), the terminal equal fixedly connected with movable plate (12) of two output ends of double-end cylinder (11), the slotted hole has all been seted up to the left and right sides on apron (8), movable plate (12) stretch into apron (8) below from slotted hole department, movable plate (12) lower extreme fixedly connected with splint (13).

2. The fixing mechanism for detecting the welding tightness of the high-voltage switch shell according to claim 1, characterized in that: the water tank (1) left side upper end intercommunication has inlet tube (14), water tank (1) right side lower extreme intercommunication has drain pipe (15), install the valve on drain pipe (15).

3. The fixing mechanism for detecting the welding tightness of the high-voltage switch shell according to claim 1, characterized in that: rubber pads are bonded on the upper end face of the supporting plate (3), the lower end face of the pressing plate (10) and the inner side face of the clamping plate (13).

4. The fixing mechanism for detecting the welding tightness of the high-voltage switch shell according to claim 1, characterized in that: the front end and the rear end of the left side and the right side of the cover plate (8) are provided with guide holes for the guide rods (4) to pass through.

5. The fixing mechanism for detecting the welding tightness of the high-voltage switch shell according to claim 1, characterized in that: and flexible corrugated plates (16) are connected between the left and right side walls in the sliding chute hole and the movable plate (12).