CN110864973A

CN110864973A - Testing tool for vacuum valve

Info

Publication number: CN110864973A
Application number: CN201911342648.6A
Authority: CN
Inventors: 郭卫强; 朱东峰; 李水波
Original assignee: Kunshan Kinglai Hygienic Materials Co Ltd
Current assignee: Kunshan Kinglai Hygienic Materials Co Ltd
Priority date: 2019-12-23
Filing date: 2019-12-23
Publication date: 2020-03-06

Abstract

The invention discloses a testing tool for a vacuum valve, which comprises a rectangular mounting underframe, a rectangular steel casting box, a testing valve, a control valve group and a control cabinet, wherein the rectangular steel casting box is fixedly mounted on one side of the top of the rectangular mounting underframe through a first welding frame and a second welding frame, the testing valve is fixedly mounted at the central position of two sides of the rectangular steel casting box, and the control valve group is fixedly mounted at the position, close to the rectangular steel casting box, of the top of the rectangular mounting underframe. When the testing valve is used, the testing valve is directly installed on the rectangular hole, then the SV008 vacuum pump is controlled by the control cabinet to vacuumize the interior of the rectangular steel casting box, in the process of vacuumizing the rectangular steel casting box, the pressure in the rectangular steel casting box is detected by the JC-1000 air pressure sensor, namely, the bearing capacity of the testing valve is accurately detected, the operation and the control of the testing process are simplified and normalized, and therefore, the testing valve has no high operation requirement on working personnel.

Description

Testing tool for vacuum valve

Technical Field

The invention relates to the technical field of vacuum valve testing, in particular to a testing tool for a vacuum valve.

Background

The vacuum valve is a vacuum system component used for changing the direction of air flow, adjusting the magnitude of air flow and cutting off or connecting a pipeline in a vacuum system, a vacuum valve closing member is sealed by a rubber sealing ring or a metal sealing ring, a plurality of large vacuum valves are required in the mechanical field, and the valves need to be subjected to pressure bearing test when being produced.

At present, the existing testing method is to block the inlet and outlet of the valve by a blind plate and then carry out vacuum leak detection, when different working conditions are tested, different tools and testing methods need to be changed, the testing operation is complex, the requirement on testing personnel is high, and quantitative valve testing cannot be formed, so that the testing tool of the vacuum valve is urgently needed to be designed to solve the problems.

Disclosure of Invention

The invention aims to provide a testing tool for a vacuum valve, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a testing tool for a vacuum valve comprises a rectangular mounting underframe, a rectangular steel casting box, a control valve group and a control cabinet, wherein the rectangular steel casting box is fixedly mounted on one side of the top of the rectangular mounting underframe through a first welding frame and a second welding frame, the testing valve can be mounted in the central position of two sides of the rectangular steel casting box, the control valve group is fixedly mounted at the position, close to the rectangular steel casting box, of the top of the rectangular mounting underframe, and the control cabinet is fixedly mounted on one side, far away from the rectangular steel casting box, of the top of the rectangular mounting underframe; the central point department at rectangle steel casting case both ends is equipped with the evacuation connector, the central point department of both sides of rectangle steel casting case is equipped with the rectangular hole, the both sides fixed mounting of rectangle steel casting case has the steel sheet, a week of steel sheet medial surface is equipped with the rubber sealing ring, the central point department of steel sheet has seted up the installing port.

Preferably, the both sides fixed mounting of valves bottom has the third welding frame, one side fixed mounting at valves top has the welding pipe, the one end of welding pipe is equipped with first connector, the one end that first connector was kept away from to the welding pipe is equipped with the second connector, first connector with the second connector pass through the pipe with evacuation connector fixed connection, the central point department of welding pipe front side installs JC-1000 baroceptor, the central point department of welding pipe rear side is equipped with the third welding mouth, the central point department fixed mounting at valves top has the SV008 vacuum pump, the input of SV008 vacuum pump with the third welding mouth fixed connection.

Preferably, the top of the control cabinet is provided with a control switch, a keyboard and a display screen, and the bottom of one side of the rear part of the control cabinet is connected with a plug through a wire.

Preferably, four corners of the bottom of the rectangular mounting underframe are fixedly provided with universal wheels, and the rear sides of the universal wheels are provided with brake levers.

Preferably, the rear side of the rectangular mounting underframe is fixedly provided with a push rod through a welding rod, and the surface of the push rod is sleeved with an anti-slip sleeve.

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

this vacuum valve's test fixture directly installs the test valve on the rectangular hole when using, then carries out the evacuation to rectangle steel casting incasement portion through switch board control SV008 vacuum pump, at the in-process to rectangle steel casting incasement evacuation, detect the inside atmospheric pressure of rectangle steel casting incasement portion and accomplish accurate detection to the bearing capacity of test valve promptly according to JC-1000 baroceptor, control the test procedure and simplify, the standardization, consequently, does not have too high operation requirement to the staff.

Drawings

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

FIG. 2 is a schematic top view of the rectangular steel box of the present invention;

FIG. 3 is a side schematic view of a rectangular steel casting box of the present invention;

FIG. 4 is a schematic side view of a steel plate of the present invention;

FIG. 5 is a bottom schematic view of a rectangular mounting chassis of the present invention;

FIG. 6 is a schematic top view of the control cabinet of the present invention;

fig. 7 is a top view of the valve block of the present invention.

In the figure: 1. a rectangular mounting chassis; 101. a universal wheel; 102. a brake lever; 2. a first welding stand; 3. a second welding stand; 4. a rectangular steel casting box; 401. sealing the rubber ring; 402. a vacuumizing connector; 403. a steel plate; 404. an installation port; 405. a rectangular hole; 5. a test valve; 6. a control valve group; 601. a third welding stand; 602. welding the pipe; 603. a first connection port; 604. a second connection port; 605. a third weld joint; 606. JC-1000 air pressure sensor; 607. SV008 vacuum pumps; 7. a control cabinet; 701. a control switch; 702. setting a keyboard; 703. a display screen; 704. a plug; 8. welding a rod; 9. a push rod; 10. an anti-slip sleeve.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", 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, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-7, an embodiment of the present invention is shown: the utility model provides a vacuum valve's test fixture, including rectangle installation chassis 1, rectangle steel casting box 4, valves 6 and switch board 7, there is rectangle steel casting box 4 one side at 1 top of rectangle installation chassis through

first weld holder

2 and 3 fixed mounting of second weld holder, there is valve 5 through bolt fixed mounting in the central point department of 4 both sides of rectangle steel casting box, 4 evacuation of rectangle steel casting box carry out the pressure-bearing test to valve 5, 1 top of rectangle installation chassis is close to the position department fixed mounting of rectangle steel casting box 4 and has valves 6. The control valve group 6 is used for vacuumizing the rectangular steel casting box 4, a control cabinet 7 is welded on one side, far away from the rectangular steel casting box 4, of the top of the rectangular installation underframe 1, and the control cabinet 7 is used for carrying out power supply control and reading pressure-bearing data on the work.

The central point department at rectangle steel casting case 4 both ends is equipped with evacuation connector 402, rectangle steel casting case 4 carries out the evacuation through evacuation connector 402, the central point department of 4 both sides of rectangle steel casting case is equipped with rectangular hole 405, there is steel sheet 403 rectangle steel casting case 4's both sides through bolt fixed mounting, steel sheet 403 seals rectangle steel casting case 4 both sides, a week of steel sheet 403 medial surface is equipped with sealed rubber ring 401, sealed rubber ring 401 guarantees the leakproofness of steel sheet 403 to rectangle steel casting case 4, installing port 404 has been seted up to the central point department of steel sheet 403, installing port 404 and rectangular hole 405 correspond, the atmospheric pressure of being convenient for communicates, installing port 404 is convenient for the installation of test valve 5.

Furthermore, the two sides of the bottom of the control valve group 6 are welded with third welding frames 601, the third welding frames 601 are fixedly welded with the rectangular installation underframe 1, one side of the top of the control valve group 6 is welded with a welding pipe 602, one end of the welding pipe 602 is provided with a first connecting port 603, one end of the welding pipe 602, which is far away from the first connecting port 603, is provided with a second connecting port 604, the first connecting port 603 and the second connecting port 604 are fixedly connected with the vacuumizing connecting port 402 through a guide pipe, a central position of the front side of the welding pipe 602 is provided with a JC-1000 air pressure sensor 606 through a bolt, the JC-1000 air pressure sensor 606 detects the air pressure inside the welding pipe 602, and then transmits an electric signal to a control unit in the control cabinet 7. The central point department of welding pipe 602 rear side is equipped with third welding mouth 605, and there is SV008 vacuum pump 607 at the central point department at 6 tops of valve unit through bolt fixed mounting, and SV008 vacuum pump 607 passes through the wire and the control unit electric connection in the switch board 7, and the input and the third welding mouth 605 fixed connection of SV008 vacuum pump 607, SV008 vacuum pump 607 work is carried out the evacuation to rectangle steel casting box 4.

Further, the top of switch board 7 is equipped with control switch 701, keyboard 702 and display screen 703, control switch 701 controls the operating condition of SV008 vacuum pump 607, can set up the inside atmospheric pressure numerical value of rectangle steel casting box 4 in advance through setting up keyboard 702, after the setting is accomplished, when the atmospheric pressure value that JC-1000 baroceptor 606 detected reaches the setting value, switch board 7 automatic control SV008 vacuum pump 607 stops working, display screen 703 shows atmospheric pressure numerical value, the bottom of switch board 7 rear portion one side is connected with plug 704 through the wire, switch board 7 passes through plug 704 and connects the power.

Further, four corners of the bottom of the rectangular installation underframe 1 are welded with universal wheels 101, the rear sides of the universal wheels 101 are provided with brake levers 102, the universal wheels 101 are convenient for the tool to move, and the brake levers 102 are used for braking the universal wheels 101.

Further, the rear side of the rectangular installation underframe 1 is fixedly provided with a push rod 9 through a welding rod 8, the push rod 9 is convenient for a person to hold and push the tool, an anti-slip sleeve 10 is sleeved on the surface of the push rod 9, and the anti-slip sleeve 10 prevents people from slipping when holding the push rod 9.

The working principle is as follows: when in use, a person holds the push rod 9 to push the tool to move to a proper position, then steps down the brake lever 102 to brake, is connected with a power supply through the plug 704, then the test valves 5 are arranged on the mounting ports 404 at the two sides of the rectangular steel casting box 4, after the mounting is finished, the control switch 701 is pressed down, then the SV008 vacuum pump 607 starts to work, the rectangular steel casting box 4 is vacuumized, then the JC-1000 air pressure sensor 606 detects the air pressure value and transmits the air pressure value to the control unit in the control cabinet 7, the display screen 703 on the control cabinet 7 displays the air pressure value, therefore, the pressure bearing degree of the test valve 5 can be detected according to the displayed air pressure value, and the air pressure value in the rectangular steel casting box 4 can be set in advance, when the air pressure value detected by the JC-1000 air pressure sensor 606 reaches a set value, the control cabinet 7 automatically controls the SV008 vacuum pump 607 to stop working.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a vacuum valve's test fixture which characterized in that: the device comprises a rectangular mounting chassis (1), a rectangular steel casting box (4), a control valve group (6) and a control cabinet (7), wherein the rectangular steel casting box (4) is fixedly mounted on one side of the top of the rectangular mounting chassis (1) through a first welding frame (2) and a second welding frame (3), a test valve (5) can be mounted at the central position of two sides of the rectangular steel casting box (4), the control valve group (6) is fixedly mounted at the position, close to the rectangular steel casting box (4), of the top of the rectangular mounting chassis (1), and the control cabinet (7) is fixedly mounted on one side, far away from the rectangular steel casting box (4), of the top of the rectangular mounting chassis (1); the central point department at rectangle steel casting case (4) both ends is equipped with evacuation connector (402), the central point department of rectangle steel casting case (4) both sides is equipped with rectangular hole (405), the both sides fixed mounting of rectangle steel casting case (4) has steel sheet (403), a week of steel sheet (403) medial surface is equipped with sealed rubber ring (401), installing port (404) have been seted up to the central point department of steel sheet (403).

2. The test tool of the vacuum valve according to claim 1, characterized in that: third welding frames (601) are fixedly arranged on two sides of the bottom of the control valve group (6), a welding pipe (602) is fixedly arranged on one side of the top of the control valve group (6), a first connecting port (603) is arranged at one end of the welding pipe (602), a second connecting port (604) is arranged at one end of the welding pipe (602) far away from the first connecting port (603), the first connecting port (603) and the second connecting port (604) are fixedly connected with the vacuumizing connecting port (402) through a conduit, a JC-1000 air pressure sensor (606) is arranged at the central position of the front side of the welding pipe (602), a third welding port (605) is arranged at the central position of the rear side of the welding pipe (602), an SV008 vacuum pump (607) is fixedly arranged at the central position of the top of the control valve group (6), the input end of the SV008 vacuum pump (607) is fixedly connected with the third welding port (605).

3. The test tool of the vacuum valve according to claim 1, characterized in that: the top of the control cabinet (7) is provided with a control switch (701), a keyboard (702) and a display screen (703), and the bottom of one side of the rear part of the control cabinet (7) is connected with a plug (704) through a wire.

4. The test tool of the vacuum valve according to claim 1, characterized in that: four corners of the bottom of the rectangular mounting underframe (1) are fixedly provided with universal wheels (101), and the rear sides of the universal wheels (101) are provided with brake levers (102).

5. The test tool of the vacuum valve according to claim 1, characterized in that: the rear side of the rectangular mounting underframe (1) is fixedly provided with a push rod (9) through a welding rod (8), and the surface of the push rod (9) is sleeved with an anti-skid sleeve (10).