CN110631826A

CN110631826A - Plug valve durability testing device

Info

Publication number: CN110631826A
Application number: CN201911062978.XA
Authority: CN
Inventors: 田洪卫; 袁天发
Original assignee: Fluoroxel Special Valve (suzhou) Co Ltd
Current assignee: Fluoroxel Special Valve (suzhou) Co Ltd
Priority date: 2019-11-01
Filing date: 2019-11-01
Publication date: 2019-12-31

Abstract

The invention relates to a plug valve durability testing device, which comprises an equipment box and a plug valve, wherein a motor is arranged at the rear side of the equipment box, an output shaft of the motor penetrates through the equipment box and is fixedly connected with a rotating circular plate, the rotating circular plate is arranged in the equipment box, a sliding plate is arranged at the left side of the rotating circular plate and is in sliding connection with the equipment box, first mounting plates are symmetrically arranged at one sides of the sliding plates, which are close to the rotating circular plate, rotating shafts are fixedly connected between the first mounting plates and the front side of the rotating circular plate, a connecting rod is arranged between the sliding plate and the rotating circular plate, and two ends of the connecting rod are respectively arranged at the outer sides of the rotating shafts, so that the durability of the plug valve can be tested.

Description

Plug valve durability testing device

Technical Field

The invention relates to a plug valve durability testing device, and belongs to the technical field of valves.

Background

The plug valve is a rotary valve in a closing part or a plunger shape, and the opening or the closing of the valve is realized by rotating 90 degrees to ensure that a passage port on the plug is the same as or separated from a passage port on the valve body. The on-off performance or the service life of the plug valve must be detected in plug valve production, the service life of the plug valve which generally meets the market use requirement is in the ten thousand times, even in the hundreds of thousands or even in the tens of thousands times, and the durability detection through a handle on the plug valve is required to be more convenient, so that the improvement is required.

Disclosure of Invention

The invention aims to provide a plug valve durability testing device, which can drive a sliding plate to slide in a reciprocating manner in an equipment box through the rotation of a motor, so that a pushing rod pushes a fixed plate and drives a handle to rotate in a reciprocating manner, and the durability of a plug valve can be tested, thereby solving the problems in the background art.

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

a plug valve durability testing device comprises an equipment box and a plug valve, wherein a motor is arranged on the rear side of the equipment box, an output shaft of the motor penetrates through the equipment box and is fixedly connected with a rotating circular plate, the rotating circular plate is arranged in the equipment box, a sliding plate is arranged on the left side of the rotating circular plate and is in sliding connection with the equipment box, first mounting plates are symmetrically arranged on one sides, close to the rotating circular plate, of the sliding plates, rotating shafts are fixedly connected between the first mounting plates and the front side of the rotating circular plate, a connecting rod is arranged between the sliding plates and the rotating circular plate, two ends of the connecting rod are respectively arranged on the outer sides of the rotating shafts, the connecting rod is movably connected with the rotating shafts, a pushing rod is arranged on the left side of the sliding plate, a fixing plate is arranged on one side, away from, catch bar both ends symmetry is provided with the movable block, just the movable block is connected with the second mounting panel through the pivot, the fixed plate left side is provided with first mounting plate and second mounting plate, just first mounting plate and fixed plate fixed connection, be provided with the handle on the plug valve, the handle sets up between first mounting plate and second mounting plate.

Furthermore, the upper side and the lower side of the sliding plate are symmetrically provided with first limiting blocks, and the first limiting blocks are fixedly connected with the sliding plate.

Furthermore, a first limiting groove is formed in the equipment box, and the first limiting groove corresponds to the first limiting block.

Furthermore, a groove is formed in the equipment box, and the groove is symmetrically arranged on two sides of the equipment box.

Furthermore, a second limiting groove is formed in the fixing plate, and the second limiting grooves are symmetrically arranged on two sides of the fixing plate.

Furthermore, a second limiting block is connected in the second limiting groove in a sliding mode, and the second limiting block is fixedly connected with the second fastening plate.

Furthermore, a bolt is arranged at the top of the second fastening plate, and the bolt tail penetrates through the second fastening plate and is in threaded connection with the first fastening plate.

The invention has the beneficial effects that:

1. the sliding plate can be driven to slide in the equipment box in a reciprocating manner through the rotation of the motor, so that the pushing rod pushes the fixed plate and drives the handle to rotate in a reciprocating manner, and the durability of the plug valve can be tested;

2. through being provided with first restriction piece and first restriction groove, can restrict the sliding plate, make the stability that the sliding plate can be more, through being provided with second restriction groove and second restriction piece, when can restricting the second mounting plate, make the second mounting plate can go up and down, can fix the handle of equidimension not, through being provided with the bolt, can fix first mounting plate and second mounting plate, thereby fix the handle, through being provided with the recess, can be when detecting, prevent that equipment box both sides from influencing the rotation of catch bar, therefore, the clothes hanger is strong in practicability, and is suitable for extensively carrying out pushing away.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate the invention and not limit the invention.

FIG. 1 is a front view of a plug valve durability testing apparatus of the present invention;

FIG. 2 is a schematic view showing the internal structure of a plug valve durability testing apparatus according to the present invention;

FIG. 3 is a side view of a plug valve durability test apparatus of the present invention;

FIG. 4 is a schematic diagram of a second fastening plate structure of the plug valve durability testing apparatus according to the present invention;

FIG. 5 is an enlarged schematic view of part A of a plug valve durability testing apparatus according to the present invention;

reference numbers in the figures: 1. an equipment box; 2. a plug valve; 3. a motor; 4. rotating the circular plate; 5. a sliding plate; 6. a first mounting plate; 7. a rotating shaft; 8. a connecting rod; 9. a push rod; 10. a fixing plate; 11. a second mounting plate; 12. a movable block; 13. a first fastening plate; 14. a second fastening plate; 15. a handle; 16. a first limiting block; 17. a first restriction groove; 18. a groove; 19. a second restriction groove; 20. a second limiting block; 21. and (4) bolts.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

The first embodiment is as follows:

as shown in fig. 1-5, a plug valve durability testing device comprises an equipment box 1 and a plug valve 2, a motor 3 is arranged at the rear side of the equipment box 1, an output shaft of the motor 3 penetrates through the equipment box 1 and is fixedly connected with a rotating circular plate 4, the rotating circular plate 4 is arranged in the equipment box 1, a sliding plate 5 is arranged at the left side of the rotating circular plate 4, the sliding plate 5 is connected with the equipment box 1 in a sliding manner, first mounting plates 6 are symmetrically arranged at one side of the sliding plate 5 close to the rotating circular plate 4, rotating shafts 7 are fixedly connected between the first mounting plates 6 and at the front side of the rotating circular plate 4, a connecting rod 8 is arranged between the sliding plate 5 and the rotating circular plate 4, two ends of the connecting rod 8 are respectively arranged at the outer side of the rotating shafts 7, the connecting rod 8 is movably connected with the rotating shafts 7, the rotating circular, promote fixed plate 10, one side that catch bar 9 kept away from sliding plate 5 is provided with fixed plate 10, fixed plate 10 and sliding plate 5 are close to equal fixedly connected with second mounting panel 11 in one side of catch bar 9, catch bar 9 both ends symmetry is provided with movable block 12, and movable block 12 is connected with second mounting panel 11 through the pivot, make catch bar 9 both ends can rotate with fixed plate 10 and sliding plate 5 respectively and be connected, make catch bar 9 can not influence the rotation of fixed plate 10 and handle 15, thereby make handle 15 realize reciprocal pivoted effect, fixed plate 10 left side is provided with first mounting plate 13 and second mounting plate 14, and first mounting plate 13 and fixed plate 10 fixed connection, be provided with handle 15 on plug valve 2, handle 15 sets up between first mounting plate 13 and second mounting plate 14, fix handle 15.

In this embodiment, the sliding plate 5 is symmetrically provided with first limiting blocks 16 at upper and lower sides, the first limiting blocks 16 are fixedly connected with the sliding plate 5, the equipment box 1 is provided with a first limiting groove 17, and the first limiting groove 17 corresponds to the first limiting blocks 16, so as to limit the sliding plate 5, and the sliding plate 5 can be more stable.

In this embodiment, the second limiting groove 19 is formed in the fixing plate 10, the second limiting grooves 19 are symmetrically formed on two sides of the fixing plate 10, the second limiting block 20 is slidably connected in the second limiting groove 19, and the second limiting block 20 is fixedly connected with the second fastening plate 14, so that the second fastening plate 14 can be lifted and lowered while the second fastening plate 14 is limited, and the handles 15 with different sizes can be fixed.

Example two:

as shown in fig. 1-3, a groove 18 is formed in the equipment box 1, and the groove 18 is symmetrically disposed on two sides of the equipment box 1, so that when detecting, the two sides of the equipment box 1 are prevented from affecting the rotation of the push rod 9, a bolt 21 is disposed on the top of the second fastening plate 14, and the bolt 21 is inserted into the second fastening plate 14 and connected with the first fastening plate 13 through a thread, so as to fix the first fastening plate 13 and the second fastening plate 14, thereby fixing the handle 15.

The working principle of the invention is as follows: the handle 15 on the plug valve 2 is placed between the first fastening plate 13 and the second fastening plate 14, the second fastening plate 14 and the first fastening plate 13 are fixed by using bolts 21, thereby achieving the effect of fixing the handle 15, the motor 3 is started, the rotating circular plate 4 is driven to rotate by the rotation of the output shaft of the motor 3, the sliding plate 5 is enabled to linearly slide in the equipment box 1 by the effect of the connecting rod 8 and the rotating shaft 7, when the sliding plate 5 slides, the pushing rod 9 can push the fixed plate 10, the pushing rod 9 can not influence the rotation of the fixed plate 10 and the handle 15 by the second mounting plate 11, thereby enabling the handle 15 to realize the effect of reciprocating rotation, the arrangement of the first limiting block 16 and the first limiting groove 17 can limit the sliding plate 5, so that the sliding plate 5 can be more stable, the second limiting groove 19 and the second limiting block 20 are arranged, when can restricting second mounting plate 14, make second mounting plate 14 can go up and down, can fix the handle 15 of equidimension not, be provided with recess 18, can be when detecting, prevent that equipment box 1 both sides from influencing the rotation of catch bar 9, simple structure, convenient operation, the practicality is strong.

The above embodiments are preferred embodiments of the present invention, and those skilled in the art can make variations and modifications to the above embodiments, therefore, the present invention is not limited to the above embodiments, and any obvious improvements, substitutions or modifications made by those skilled in the art based on the present invention are within the protection scope of the present invention.

Claims

1. The utility model provides a plug valve durability testing arrangement, includes equipment box (1) and plug valve (2), its characterized in that: a motor (3) is arranged on the rear side of the equipment box (1), an output shaft of the motor (3) penetrates through the equipment box (1) and is fixedly connected with a rotating circular plate (4), the rotating circular plate (4) is arranged in the equipment box (1), a sliding plate (5) is arranged on the left side of the rotating circular plate (4), and the sliding plate (5) is connected with the equipment box (1) in a sliding manner;

first mounting plates (6) are symmetrically arranged on one side, close to the rotating circular plate (4), of the sliding plate (5), rotating shafts (7) are fixedly connected between the first mounting plates (6) and the front side of the rotating circular plate (4), a connecting rod (8) is arranged between the sliding plate (5) and the rotating circular plate (4), two ends of the connecting rod (8) are respectively arranged on the outer sides of the rotating shafts (7), and the connecting rod (8) is movably connected with the rotating shafts (7);

sliding plate (5) left side is provided with catch bar (9), one side that sliding plate (5) were kept away from in catch bar (9) is provided with fixed plate (10), the equal fixedly connected with second mounting panel (11) in one side that fixed plate (10) and sliding plate (5) are close to catch bar (9), catch bar (9) both ends symmetry is provided with movable block (12), just movable block (12) are connected with second mounting panel (11) through the pivot, fixed plate (10) left side is provided with first mounting plate (13) and second mounting plate (14), just first mounting plate (13) and fixed plate (10) fixed connection, be provided with handle (15) on plug valve (2), handle (15) set up between first mounting plate (13) and second mounting plate (14).

2. The plug valve durability test device according to claim 1, wherein: the upper side and the lower side of the sliding plate (5) are symmetrically provided with first limiting blocks (16), and the first limiting blocks (16) are fixedly connected with the sliding plate (5).

3. The plug valve durability test device according to claim 2, wherein: a first limiting groove (17) is formed in the equipment box (1), and the first limiting groove (17) corresponds to the first limiting block (16).

4. The plug valve durability test device according to claim 1, wherein: grooves (18) are formed in the equipment box (1), and the grooves (18) are symmetrically arranged on two sides of the equipment box (1).

5. The plug valve durability test device according to claim 1, wherein: a second limiting groove (19) is formed in the fixing plate (10), and the second limiting groove (19) is symmetrically arranged on two sides of the fixing plate (10).

6. The plug valve durability test device according to claim 5, wherein: and a second limiting block (20) is connected in the second limiting groove (19) in a sliding manner, and the second limiting block (20) is fixedly connected with the second fastening plate (14).

7. The plug valve durability test device according to claim 1, wherein: the top of the second fastening plate (14) is provided with a bolt (21), and the bolt tail of the bolt (21) penetrates through the second fastening plate (14) to be in threaded connection with the first fastening plate (13).