CN217372115U - High-safety water pressure test pressing device for PVC dry safety valve - Google Patents

Abstract

The utility model discloses a high-safety PVC dry-type safety valve hydrostatic test pressing device in the field of safety valve testing, which comprises a workbench, wherein supports are arranged at four corners of the lower end of the workbench, a chassis is arranged at the middle part of the upper end of the workbench and is fixedly connected with the workbench, a spring is arranged at the upper end of the chassis, a base is arranged at the upper end of the spring, the chassis and the base are fixedly connected with the spring, the safety valve to be tested is arranged at the upper end of the base through the designed base, the chassis, the spring, a mounting hole, a test connecting pipe and a connecting sheet, the test connecting pipe is arranged inside the base and the chassis, the connecting sheet at the upper end of the test connecting pipe is connected with the safety valve, the test connecting pipe can inject gas into the safety valve to test the safety valve, the safety valve shakes when being tested, the spring is arranged at the bottom of the safety valve, and can effectively absorb shock of the safety valve, the safety valve is protected, and the practicability of the pressing device is improved.

Description

High-safety water pressure test pressing device for PVC dry safety valve

Technical Field

The utility model relates to a relief valve test field specifically is a high water pressure test closing device of PVC dry-type relief valve of security.

Background

The safety valve is a special valve which is in a normally closed state under the action of external force, when the medium pressure in equipment or a pipeline rises to exceed a specified value, the medium pressure in the pipeline or the equipment is prevented from exceeding the specified value by discharging the medium to the outside of the system, the safety valve belongs to the automatic valve class, is mainly used for boilers, pressure vessels and pipelines, controls the pressure to be not more than the specified value, plays an important role in protecting personal safety and equipment operation, and can be used only by a pressure test.

Among the prior art, relief valve hydrostatic test closing device need be with relief valve connection detection pipeline when using to inject the water source in to the relief valve and test, nevertheless the relief valve receives pressure and can produce and rock, and current closing device is fixed with the relief valve, leads to the relief valve to produce wearing and tearing easily when testing, has reduced closing device's practicality.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high hydrostatic test closing device of PVC dry safety valve of security to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a high hydrostatic test closing device of PVC dry-type relief valve of security, includes the workstation, the support is all installed in workstation lower extreme four corners, workstation upper end mid-mounting has the chassis, chassis and workstation fixed connection, the spring is installed to the chassis upper end, the base is installed to the spring upper end, chassis and base all with spring fixed connection, chassis and base inside all is provided with the mounting hole, the inside experimental connecting pipe of all installing of mounting hole, experimental connecting pipe upper end fixed mounting has the connection piece.

As a further aspect of the present invention: spacing post is all installed to workstation upper end both sides, spacing post all with workstation fixed connection, the limiting plate is all installed to spacing post upper end, limiting plate and spacing post fixed connection are fixed the limiting plate through spacing post.

As a further aspect of the present invention: two gears are installed on the upper end of the limiting plate, the two gears are meshed and connected, the right side is connected with the gear, a rotating shaft is installed inside the gear, the rotating shaft is fixedly connected with the right side gear, the rotating shaft is movably connected with the limiting plate, a motor is installed on the upper end of the rotating shaft, the rotating shaft is rotatably connected with the motor, the motor is started, the motor drives the rotating shaft and the right side gear to rotate, and the right side gear drives the left side gear to rotate simultaneously.

As a further aspect of the present invention: the left side gear internally mounted has the screw rod, screw rod and left side gear fixed connection, the spacing ring is installed to screw rod outside lower extreme, the spacing ring inboard is provided with the internal thread, the spacing ring passes through internal thread and screw rod swing joint, drives the screw rod and rotates simultaneously when the left side gear rotates, and the equidirectional rotation of screw rod can drive the spacing ring and reciprocate in the screw rod outside.

As a further aspect of the present invention: the limiting ring is characterized in that limiting frames are arranged on two sides of the limiting ring and are fixedly connected with the limiting ring, limiting discs are arranged at the lower ends of the limiting frames, the limiting frames are fixedly connected with the limiting discs, the limiting rings drive the limiting frames and the limiting discs to move simultaneously, and safety valves are installed at the bottoms of the limiting discs.

As a further aspect of the present invention: two the connecting rod is all installed at spacing frame middle part, the connecting rod all with spacing frame fixed connection, the connecting rod outside all is provided with the slider, the slider all with connecting rod fixed connection, two spacing post inboards all are provided with the spout, the slider all through spout and spacing post swing joint, spacing frame can drive the slider and reciprocate in the spout, can be spacing with spacing frame and spacing dish through the slider, make spacing frame and spacing dish steady movement from top to bottom.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses in, base through the design, a chassis, a spring, the mounting hole, experimental connecting pipe and connection piece, workstation upper end middle part fixed mounting has the chassis, chassis upper end fixed mounting has the spring, spring upper end fixed mounting has the base, chassis and base middle part all are provided with the mounting hole, the inside experimental connecting pipe of all installing of mounting hole, experimental connecting pipe upper end is provided with the connection piece, the relief valve that will test is installed in the base upper end, base and chassis internally mounted have experimental connecting pipe, connection piece and relief valve connection with experimental connecting pipe upper end, experimental connecting pipe can be to the inside injection gas of relief valve, test the relief valve, the relief valve takes place to rock when testing, install the spring through its bottom, can effectively carry out the shock attenuation to the relief valve, be favorable to the protection to the relief valve, improve closing device's practicality.

In the utility model, through the designed limit post, limit plate, gear, rotating shaft and motor, the screw rod, the spacing ring, spacing frame and spacing dish, the equal fixed mounting in workstation upper end both sides has spacing post, the equal fixed mounting in spacing post upper end has the limiting plate, two gears are installed to the limiting plate upper end, right side gear middle part fixed mounting has the pivot, the motor is installed to the pivot upper end, left side gear internally mounted has the screw rod, the spacing ring is installed to screw rod outside lower extreme, the spacing ring both sides all are provided with spacing frame, spacing frame lower extreme fixed mounting has spacing dish, starter motor, the motor drives two gears and the screw rod rotates, the screw rod drives the spacing ring, spacing frame and spacing dish downstream, spacing dish downstream can compress tightly the relief valve top, make the relief valve fix in the middle of spacing dish and base, the safety valve of being convenient for is fixed, effectively improve closing device's stability.

Drawings

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

FIG. 2 is a schematic structural view of a stop collar of the present invention;

fig. 3 is a schematic structural diagram of the middle test connecting pipe of the present invention.

In the figure: 1. a work table; 2. a support; 3. a limiting column; 4. a limiting plate; 5. a gear; 6. a rotating shaft; 7. a motor; 8. a screw; 9. a limiting ring; 10. an internal thread; 11. a limiting frame; 12. a connecting rod; 13. a slider; 14. a chute; 15. a limiting disc; 16. a chassis; 17. a spring; 18. a base; 19. mounting holes; 20. a test connecting pipe; 21. and (7) connecting the sheets.

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.

Please refer to fig. 1-3, in the embodiment of the utility model, a high hydrostatic test closing device of PVC dry-type relief valve of security, including workstation 1, support 2 is all installed in 1 lower extreme four corners of workstation, 1 upper end mid-mounting of workstation has chassis 16, chassis 16 and 1 fixed connection of workstation, spring 17 is installed to 16 upper ends on chassis, base 18 is installed to the spring 17 upper end, chassis 16 and base 18 all with spring 17 fixed connection, chassis 16 and 18 inside all are provided with mounting hole 19 of base, 19 inside all install experimental connecting pipe 20 of mounting hole, 20 upper end fixed mounting of experimental connecting pipe has connection piece 21.

Wherein, spacing post 3 is all installed to 1 upper end both sides of workstation, spacing post 3 all with 1 fixed connection of workstation, limiting plate 4 is all installed to 3 upper ends of spacing post, limiting plate 4 and 3 fixed connection of spacing post, during the use, fixed with limiting plate 4 through spacing post 3, through the installation of limiting plate 4, the safety valve of being convenient for is fixed and experimental.

Two gears 5 are installed to limiting plate 4 upper end, and two gears 5 mesh are connected, and right side gear 5 internally mounted has pivot 6, pivot 6 and right side gear 5 fixed connection, pivot 6 and limiting plate 4 swing joint, and motor 7 is installed to 6 upper ends of pivot, and pivot 6 rotates with motor 7 to be connected, during the use, starter motor 7, and motor 7 drives pivot 6 and right side gear 5 and rotates, and right side gear 5 drives left side gear 5 and rotates simultaneously.

5 internally mounted of left side gear has screw rod 8, screw rod 8 and 5 fixed connection of left side gear, and spacing ring 9 is installed to 8 outside lower extremes of screw rod, and 9 inboards of spacing ring are provided with internal thread 10, and spacing ring 9 passes through internal thread 10 and 8 swing joint of screw rod, and during the use, left side gear 5 drives screw rod 8 and rotates simultaneously when rotating, and screw rod 8 equidirectional rotation can drive spacing ring 9 and reciprocate in the 8 outsides of screw rod, the spacing ring 9 height-adjusting of being convenient for.

Spacing 9 both sides all are provided with spacing frame 11, spacing frame 11 all with 9 fixed connection of spacing ring, and 11 lower extremes of spacing frame all are provided with spacing dish 15, spacing frame 11 all with 15 fixed connection of spacing dish, during the use, spacing 9 drive spacing frame 11 and 15 simultaneous movement of spacing dish, and the installation relief valve of 15 bottoms of spacing dish can be convenient for through adjusting the installation and the fixing of relief valve of spacing dish 15.

Connecting rod 12 is all installed at two spacing frame 11 middles, connecting rod 12 all with 11 fixed connection of spacing frame, the connecting rod 12 outside all is provided with slider 13, slider 13 all with connecting rod 12 fixed connection, 3 inboards of two spacing posts all are provided with spout 14, slider 13 all is through spout 14 and 3 swing joint of spacing post, during the use, spacing frame 11 can drive slider 13 and reciprocate in spout 14, can be spacing with spacing frame 11 and spacing dish 15 through slider 13, make spacing frame 11 and 15 upper and lower steady movements of spacing dish, effectively improve closing device's stability.

The utility model discloses a theory of operation is: at first install the relief valve that needs to carry out the experiment in base 18 upper end, base 18 and 16 internally mounted on chassis have experimental connecting pipe 20, connect connection piece 21 and relief valve with experimental connecting pipe 20 upper end, then starter motor 7, motor 7 drives two gears 5 and screw rod 8 and rotates, screw rod 8 drives spacing ring 9, spacing frame 11 and spacing dish 15 move down, spacing dish 15 moves down and can compress tightly the relief valve top, make the relief valve fix in the middle of spacing dish 15 and base 18, be convenient for the fixing of relief valve, experimental connecting pipe 20 can pour into the water source into to the relief valve is inside, test the relief valve, the relief valve takes place to rock when testing, install spring 17 through its bottom, can effectively carry out the shock attenuation to the relief valve, be favorable to the protection to the relief valve, improve closing device's practicality.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims (6)

1. The utility model provides a high hydrostatic test closing device of PVC dry safety valve of security, includes workstation (1), its characterized in that: the all-fixed mounting in workstation (1) lower extreme four corners has support (2), workstation (1) upper end middle part fixed mounting has chassis (16), chassis (16) upper end fixed mounting has spring (17), spring (17) upper end fixed mounting has base (18), chassis (16) and base (18) inside all is provided with mounting hole (19), the inside all movable mounting in mounting hole (19) has experimental connecting pipe (20), experimental connecting pipe (20) upper end is provided with connection piece (21).

2. The hydrostatic test pressing device for the PVC dry safety valve with high safety according to claim 1, wherein: workstation (1) upper end both sides equal fixed mounting have spacing post (3), spacing post (3) upper end equal fixed mounting has limiting plate (4).

3. The hydrostatic test pressing device for the PVC dry safety valve with high safety according to claim 2, wherein: limiting plate (4) upper end movable mounting has two gears (5), right side gear (5) inside fixed mounting has pivot (6), pivot (6) upper end movable mounting has motor (7).

4. The hydrostatic test pressing device for the PVC dry safety valve with high safety according to claim 3, wherein: the left side gear (5) inside fixed mounting has screw rod (8), screw rod (8) outside lower extreme movable mounting has spacing ring (9), internal thread (10) set up in spacing ring (9) are inboard.

5. The hydrostatic test pressing device for the PVC dry safety valve with high safety according to claim 4, wherein: the limiting device is characterized in that limiting frames (11) are fixedly mounted on two sides of the limiting ring (9), and limiting discs (15) are fixedly mounted on the lower ends of the limiting frames (11).

6. The hydrostatic test pressing device for the PVC dry safety valve with high safety according to claim 5, wherein: two equal fixed mounting in spacing frame (11) middle part has connecting rod (12), the equal fixed mounting in connecting rod (12) outside has slider (13), and two spouts (14) all set up in two spacing post (3) inboards.

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