CN219562838U

CN219562838U - Safety valve on-line measuring device

Info

Publication number: CN219562838U
Application number: CN202321094444.7U
Authority: CN
Inventors: 杨文睿; 张倬权; 谭凯; 苗芳; 徐义; 杨振寰
Original assignee: Hubei Special Equipment Inspection And Testing Institute
Current assignee: Hubei Special Equipment Inspection And Testing Institute
Priority date: 2023-05-09
Filing date: 2023-05-09
Publication date: 2023-08-22
Anticipated expiration: 2033-05-09

Abstract

The utility model relates to the field of safety valve detection and discloses an online safety valve detection device, which comprises a support frame 1, wherein a sliding mechanism is arranged on the support frame 1 and used for changing the position of a sliding sleeve; and the inner side of the sliding mechanism is provided with a clamping mechanism which is used for positioning the safety valve, and the lower end of the supporting frame is provided with a fixing mechanism which is used for fixing and supporting the upper end structure. The design of the utility model adopts the design of the position of the adjustable clamping mechanism and the design of the rotatable fixing clamp to adapt to safety valves with different specifications and shapes, solves the difficult problem that the special-shaped safety valve is inconvenient when being detected, is more practical and is suitable for wide popularization and use.

Description

Safety valve on-line measuring device

Technical Field

The utility model belongs to the technical field of safety valve detection, and particularly relates to an online safety valve detection device.

Background

The relief valve is a special device for automatically reducing the operating pressure of the pipeline, and is used for reducing the medium with higher pressure to a given pressure after a given pressure reduction range. It reduces the higher fluid pressure in the pre-valve line to the level required in the post-valve line. The performance of the safety valve is detected by detecting that the safety valve can be automatically opened when the safety valve exceeds a certain air pressure.

However, since the shapes of the safety valve are numerous, the positions of the clamps for fixing the safety valve in most of the existing performance detection devices are fixed, so that the rotation direction of the valves cannot be adjusted according to the needs after the valves are fixed, and therefore, the valve ports of the valves are inconvenient to detect by users, and most of the existing performance detection devices have inconvenience in detecting the special-shaped safety valves, so that a flexible detection device is needed.

Disclosure of Invention

In order to solve the technical problems, the utility model adopts the basic conception of the technical scheme that:

the online detection device for the safety valve comprises a support frame 1, wherein a sliding mechanism is arranged on the support frame 1 and used for changing the position of a sliding sleeve; and the inner side of the sliding mechanism is provided with a clamping mechanism which is used for positioning the safety valve, and the lower end of the supporting frame is provided with a fixing mechanism which is used for fixing and supporting the upper end structure.

As a preferred implementation mode of the utility model, the sliding mechanism comprises three sliding sleeves, the three sliding sleeves are sleeved on the supporting frame, the outer sides of the sliding sleeves are connected with positioning knobs in a threaded manner, pulley grooves are formed in the inner walls of the sliding sleeves, and pulleys are arranged in the pulley grooves and correspond to the sliding grooves and are in sliding connection with the sliding grooves.

As a preferred embodiment of the utility model, the clamping mechanism comprises a rotary fixing clamp, one end of the rotary fixing clamp is movably sleeved at the tail end of a telescopic rod of a hydraulic cylinder, and the bottom of the hydraulic cylinder is fixedly connected to the inner side of the sliding sleeve.

As a preferred embodiment of the utility model, the fixing mechanism comprises a base, wherein the upper end of the base is fixedly connected with the supporting frame, and the lower end of the base is fixed on the tabletop through bolts.

As a preferable implementation mode of the utility model, the tail end of the telescopic rod of the hydraulic cylinder of the sliding sleeve at the upper end of the supporting frame is fixedly connected with an upper clamping base, and the lower end of the upper clamping base is fixedly connected with an upper sealing gasket.

As a preferred implementation mode of the utility model, the lower end of the supporting frame is fixedly connected with a lower clamping base, the upper end of the lower clamping base is fixedly connected with a lower sealing gasket, an air inlet is formed in the lower clamping base, the lower end of the air inlet is fixedly connected with an air inlet pipe, the air inlet pipe penetrates through the base, and the other end of the air inlet pipe is fixedly connected with an air inlet joint.

As a preferred implementation mode of the utility model, two sides of the support frame are respectively provided with a slide rail, and pulleys are clamped in the slide rails and are connected with the slide rails in a sliding manner.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model adopts the design of the position of the adjustable clamping mechanism and the design of the rotatable fixing clamp to adapt to safety valves with different specifications and shapes, and solves the difficult problem that the special-shaped safety valve is inconvenient to detect.

The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.

Drawings

In the drawings:

FIG. 1 is a front cross-sectional view of an on-line safety valve inspection device;

FIG. 2 is a cross-sectional view of a sliding sleeve of an on-line safety valve detection device;

FIG. 3 is a schematic view of a rotary fixture of an on-line safety valve detection device;

FIG. 4 is an enlarged view of part A of an on-line safety valve inspection device;

in the figure: 1. a support frame; 2. an upper sealing gasket; 3. an upper clamping base; 4. rotating the fixing clamp; 5. a hydraulic cylinder; 6. an air inlet; 7. a positioning knob; 8. a sliding sleeve; 9. a slideway; 10. an air inlet joint; 11. an air inlet pipe; 12. a base; 13. a pulley; 14. pulley grooves; 15. a lower sealing gasket; 16. and a lower clamping base.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model.

As shown in fig. 1 to 4, an online detection device for a safety valve comprises a support frame 1, wherein a sliding mechanism is arranged on the support frame 1 and used for changing the position of a sliding sleeve; and the inner side of the sliding mechanism is provided with a clamping mechanism, the clamping mechanism is used for positioning the safety valve, the lower end of the supporting frame 1 is provided with a fixing mechanism, and the fixing mechanism is used for fixing and supporting an upper end structure.

In this setting, first with relief valve one end interface with clamp down the base 16 to it, and place its opening on lower seal gasket 15, then adjust rotatory fixation clamp 4 to the shape and the position that are fit for the relief valve, then screw positioning knob 7, start two left and right sides pneumatic cylinders 5, press from both sides the relief valve through rotatory fixation clamp 4, slide upper end sliding sleeve 8 simultaneously and make and press from both sides tight base 3 with the relief valve other end interface alignment, then screw positioning knob 7, then start the pneumatic cylinder 5 of upper end and make relief valve both ends interface respectively with clamp down tight base 3 and clamp down 16 each other and extrude, be connected peripheral air pressurizer pipeline and air inlet connector 10 this moment, then start the air pressurizer, carry the pressure detection to the relief valve inside through intake pipe 11 with compressed air.

As shown in fig. 1 to 4, in a specific embodiment, the sliding mechanism includes a sliding sleeve 8, the sliding sleeve 8 is divided into three parts, all of which are sleeved on the supporting frame 1, a positioning knob 7 is connected with the outer side of the sliding sleeve 8 in a threaded manner, a pulley groove 14 is formed in the inner wall of the sliding sleeve 8, a pulley 13 is installed in the pulley groove 14, and the pulley 13 corresponds to the slideway 9 and is in sliding connection with the slideway 9.

In the setting, after the rotary fixing clamp 4 is adjusted to be suitable for the shape and the position of the safety valve, the positioning knob 7 is screwed; sliding the upper slide sleeve 8 aligns the upper clamp base 3 with the other end interface of the safety valve and then screws the positioning knob 7.

As shown in fig. 1 to 4, in the specific embodiment, the fixing mechanism includes a base 12, the upper end of the base 12 is fixedly connected with the supporting frame 1, and the lower end of the base 12 is fixed on the tabletop by bolts.

In this setting, fixed establishment is used for fixed and supporting the upper end structure.

As shown in fig. 1 to 4, in a specific embodiment, the clamping mechanism includes a rotary fixing clamp 4, one end of the rotary fixing clamp 4 is movably sleeved at the tail end of a telescopic rod of the hydraulic cylinder 5, and the bottom of the hydraulic cylinder 5 is fixedly connected to the inner side of the sliding sleeve 8.

In this setting, after adjusting the rotation fixation clamp 4 to the shape and the position suitable for the relief valve, then screw the positioning knob 7, start two left and right hydraulic cylinders 5, press from both sides tight with the relief valve through rotation fixation clamp 4.

As shown in fig. 1 to 4, in a specific embodiment, an upper clamping base 3 is fixedly connected to the end of a telescopic rod of a hydraulic cylinder 5 of a sliding sleeve 8 at the upper end of a supporting frame 1, and an upper sealing gasket 2 is fixedly connected to the lower end of the upper clamping base 3.

In this arrangement, sliding the upper slide sleeve 8 aligns the upper clamp base 3 with the other end interface of the safety valve, then screwing the positioning knob 7, and then starting the upper hydraulic cylinder 5 to press the two end interfaces of the safety valve against the upper clamp base 3 and the lower clamp base 16, respectively.

As shown in fig. 1 to 4, in a specific embodiment, the lower end of the support frame 1 is fixedly connected with a lower clamping base 16, the upper end of the lower clamping base 16 is fixedly connected with a lower sealing gasket 15, an air inlet 6 is formed in the lower clamping base 16, the lower end of the air inlet 6 is fixedly connected with an air inlet pipe 11, the air inlet pipe 11 penetrates through the base 12, and the other end of the air inlet pipe is fixedly connected with an air inlet joint 10.

In this arrangement, the relief valve is interfaced with the lower clamp base 16 at one end and its opening is placed on the lower gasket seal 15.

As shown in fig. 1 to 4, in the specific embodiment, two sides of the support frame 1 are respectively provided with a slide way 9, and the inside of the slide way 9 is clamped with a pulley 13 and is in sliding connection with the pulley.

In this arrangement the slide 9 is mainly operative to enable the pulley 13 to slide inside it.

The implementation principle of the safety valve on-line detection device of the embodiment is as follows:

firstly, an interface at one end of a safety valve is aligned with an interface at the other end of the safety valve by a lower clamping base 16, an opening of the safety valve is placed on a lower sealing gasket 15, then a rotary fixing clamp 4 is adjusted to be suitable for the shape and the position of the safety valve, a positioning knob 7 is screwed, a left hydraulic cylinder 5 and a right hydraulic cylinder 5 are started, the safety valve is clamped by the rotary fixing clamp 4, an upper sliding sleeve 8 is slid to align the interface at the other end of the safety valve with the upper clamping base 3, the positioning knob 7 is screwed, the interfaces at two ends of the safety valve are respectively extruded with the upper clamping base 3 and the lower clamping base 16 by the hydraulic cylinders 5 at the next starting upper end, at the moment, an air pressurizer pipeline arranged outside is connected with an air inlet joint 10, and then an air pressurizer is started, and compressed air is conveyed into the safety valve through an air inlet pipe 11 for pressure detection.

Claims

1. An on-line safety valve detection device, comprising:

the sliding mechanism is arranged on the support frame (1) and used for changing the position of the sliding sleeve;

and the inner side of the sliding mechanism is provided with a clamping mechanism which is used for positioning the safety valve, and the lower end of the supporting frame (1) is provided with a fixing mechanism which is used for fixing and supporting the upper end structure.

2. The online detection device for the safety valve according to claim 1, wherein the sliding mechanism comprises a sliding sleeve (8), the sliding sleeve (8) is divided into three parts, the three parts are sleeved on the supporting frame (1), a positioning knob (7) is connected to the outer side of the sliding sleeve (8) in a threaded manner, a pulley groove (14) is formed in the inner wall of the sliding sleeve (8), a pulley (13) is arranged in the pulley groove (14), and the pulley (13) corresponds to the slideway (9) and is in sliding connection with the slideway.

3. The safety valve on-line detection device according to claim 1, wherein the clamping mechanism comprises a rotary fixing clamp (4), one end of the rotary fixing clamp (4) is movably sleeved at the tail end of a telescopic rod of a hydraulic cylinder (5), and the bottom of the hydraulic cylinder (5) is fixedly connected to the inner side of a sliding sleeve (8).

4. The safety valve on-line detection device according to claim 1, wherein the fixing mechanism comprises a base (12), the upper end of the base (12) is fixedly connected with the support frame (1), and the lower end of the base (12) is fixed on a table top through bolts.

5. The online detection device for the safety valve according to claim 4, wherein an upper clamping base (3) is fixedly connected to the tail end of a telescopic rod of a hydraulic cylinder (5) of a sliding sleeve (8) at the upper end of the supporting frame (1), and an upper sealing gasket (2) is fixedly connected to the lower end of the upper clamping base (3).

6. The safety valve on-line detection device according to claim 1, wherein the lower end of the supporting frame (1) is fixedly connected with a lower clamping base (16), the upper end of the lower clamping base (16) is fixedly connected with a lower sealing gasket (15), an air inlet (6) is formed in the lower clamping base (16), the lower end of the air inlet (6) is fixedly connected with an air inlet pipe (11), the air inlet pipe (11) penetrates through the base (12), and the other end of the air inlet pipe is fixedly connected with an air inlet joint (10).

7. The online detection device for the safety valve according to claim 1, wherein two sides of the supporting frame (1) are respectively provided with a slide way (9), and pulleys (13) are clamped inside the slide ways (9) and are connected with the slide ways in a sliding manner.