CN213779488U

CN213779488U - Detection platform for safety valve verification

Info

Publication number: CN213779488U
Application number: CN202023115095.1U
Authority: CN
Inventors: 刘刚; 郑超华; 程威; 陈放
Original assignee: Jiejian Wuhan Testing Technology Co ltd
Current assignee: Jiejian Wuhan Testing Technology Co ltd
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-07-23
Anticipated expiration: 2030-12-22

Abstract

The utility model discloses a detection platform for safety valve calibration, which comprises a workbench, a box body and a control box, wherein the box body and the control box are respectively arranged at two sides of the upper surface of the workbench, an electric push rod is fixedly arranged at the top of the box body, the output end of the electric push rod penetrates through and extends to a pressing plate fixedly connected in the box body, a fixed seat is fixedly arranged at the bottom in the box body, a turntable bearing is fixedly arranged on the base, a base is fixedly connected on the turntable bearing, a cavity is arranged in the base, four groups of clamping plates are slidably connected on the upper surface of the base, a connecting block is fixedly connected on the bottom surface of the clamping plate, the connecting block is slidably arranged in the cavity, a compression spring is fixedly arranged between one side of the connecting block and the side wall of the cavity, the safety valve is elastically compressed through the compression spring, the detection of safety valves with various sizes is adapted, a limit block is held to pull the clamping plate to retreat for adjustment, four groups of clamping plates are symmetrically arranged, so that the working efficiency is improved.

Description

Detection platform for safety valve verification

Technical Field

The utility model relates to a check out test set technical field specifically is a testing platform is used in relief valve check-up.

Background

The safety valve is a special valve which is in a normally closed state under the action of external force, when the pressure of a medium in equipment or a pipeline rises and exceeds a specified value, the medium is discharged to the outside of a system to prevent the pressure of the medium in the pipeline or the equipment from exceeding a specified value, the safety valve belongs to the class of automatic valves and is mainly used for boilers, pressure vessels and pipelines, the control pressure does not exceed the specified value and plays an important role in protecting personal safety and equipment operation, the safety valve can be used only through pressure test, the safety valve needs to be subjected to off-line verification by a verification table after production, namely the safety valve is installed on the verification table, then the safety valve is opened by using the verification medium, and the opening pressure is confirmed by observing the pressure gauge;

the safety valve plays a safety protection role in the system, when the system pressure exceeds a specified value, the safety valve is opened, a part of gas or fluid in the system is discharged out of the atmosphere or a pipeline, the system pressure is enabled not to exceed an allowable value, thereby ensuring that the system is free from accidents caused by overhigh pressure, in the inspection field of the pressure of the safety valve, the arrangement of a clamping mechanism convenient to use always has the problem of each party paying attention to, the structure of the clamping mechanism for inspecting the pressure of the safety valve is complex, the synchronous adjustment of a plurality of clamping jaws can not be realized, the clamping of the safety valve to be inspected can only be realized in one direction, when the clamping operation is carried out, the clamping operation can be realized only by complex operation, the clamping effect is poor, the inspection of each type of safety valve can not be satisfied, and the working efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a detection platform for checking safety valves, a safety valve to be detected is placed through a set box body, a pressure pump is started through a control switch on a control box to carry out pressure boost detection on the safety valve in the box body, four groups of clamping plates which are in sliding connection on a base in the box body clamp and fix the safety valve, an electric push rod at the top of the box body drives a pressing plate to press down, the safety valve to be detected is further pressed and held, a sliding block fixedly arranged at the bottom surface of a connecting block at the bottom surface of the clamping plate is matched with a sliding groove arranged in a cavity in a sliding clearance manner, the stability of the clamping plate during movement is improved, the safety valve is elastically pressed through a compression spring fixedly connected between one side of the connecting block and the side wall of the cavity to adapt to the detection of the safety valves with various sizes, a pull rod fixedly arranged at one side of the connecting block extends to the outer side of the base and is fixedly arranged with a limiting block, hand-held stopper pulling splint are retreated and are adjusted, and four group's splint symmetry sets up, and the centre gripping effect is good, has improved work efficiency to solve the problem of proposing among 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 testing platform is used in relief valve check-up, includes workstation, box and control box, the box sets up respectively in workstation upper surface both sides with the control box, box top fixed mounting has electric putter, electric putter's output runs through and extends to the internal fixedly connected with clamp plate of box, bottom fixed mounting has the fixing base in the box, fixed mounting has the carousel bearing on the base, fixedly connected with base on the carousel bearing, the cavity has been seted up in the base, base upper surface sliding connection has four group's splint, splint bottom surface fixedly connected with connecting block, connecting block sliding mounting is in the cavity, fixed mounting has compression spring between connecting block one side and the cavity lateral wall.

Preferably, the base upper surface equidistance has seted up logical groove, the connecting block slides and leads to the inslot.

Preferably, the bottom surface of the cavity is provided with a sliding groove, the bottom surface of the connecting block is fixedly provided with a sliding block, and the sliding block is in sliding clearance fit with the sliding groove.

Preferably, a pull rod is fixedly mounted on one side of the connecting block, and a limiting block is fixedly mounted at one end of the pull rod in a penetrating mode on the base.

Preferably, a box door is hinged to the box body, a handle is arranged on the box door, and a sealing gasket is arranged on the inner side of the box door.

Preferably, the control box is fixedly provided with a pressure delivery pump, the pressure delivery pump penetrates and extends into the box body, the control box is respectively provided with a display screen and a control switch, and the display screen and the control switch are both electrically connected with the pressure delivery pump.

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

1. the utility model discloses a relief valve that needs to detect is placed through the box that sets up, start the pressure delivery pump through the control switch on the control box and carry out the pressure boost detection to the relief valve of box inside, four groups of splint of sliding connection carry out the centre gripping to the relief valve on the base of box inside and fix, the electric putter at box top drives the clamp plate and pushes down, further pressure holds the relief valve that needs to detect, the slider of the fixed mounting of connecting block bottom surface of splint bottom surface and the spout sliding clearance fit that sets up in the cavity have increased the stability when splint activity;

2. through the compression spring elasticity of fixed connection between connecting block one side and the cavity lateral wall compress tightly the relief valve, adapt to the detection of the relief valve of various sizes, connecting block one side fixed mounting's pull rod runs through and extends to base outside fixed mounting has the stopper, and handheld stopper pulling splint are retreated and are adjusted, and four splint symmetries of group set up, and the centre gripping effect is good, has improved work efficiency.

Drawings

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

FIG. 2 is a schematic sectional view of the front view structure of the case body of the present invention;

FIG. 3 is a schematic top view of the base structure of the present invention;

fig. 4 is an enlarged schematic structural diagram of a portion a of fig. 1 according to the present invention.

In the figure: 1. a work table; 2. a box body; 3. a control box; 4. an electric push rod; 5. pressing a plate; 6. a fixed seat; 7. a turntable bearing; 8. a base; 9. a cavity; 10. a splint; 11. connecting blocks; 12. a compression spring; 13. a through groove; 14. a chute; 15. a slider; 16. a pull rod; 17. a limiting block; 18. a box door; 19. a pressure delivery pump; 20. a display screen; 21. and controlling the switch.

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. 1-4, the present invention provides a technical solution: a detection platform for safety valve calibration comprises a workbench 1, a box body 2 and a control box 3, wherein the box body 2 and the control box 3 are respectively arranged on two sides of the upper surface of the workbench 1, an electric push rod 4 is fixedly installed at the top of the box body 2, the output end of the electric push rod 4 penetrates through and extends into the box body 2 to be fixedly connected with a pressure plate 5, the electric push rod 4 drives the pressure plate 5 to press downwards, and a safety valve to be detected is further pressed and held;

a fixed seat 6 is fixedly arranged at the bottom in the box body 2, a turntable bearing 7 is fixedly arranged on the fixed seat 6, a base 8 is fixedly connected on the turntable bearing 7, a cavity 9 is formed in the base 8, four groups of clamping plates 10 are slidably connected to the upper surface of the base 8, through grooves 13 are formed in the upper surface of the base 8 at equal intervals, connecting blocks 11 are slidably connected into the through grooves 13, connecting blocks 11 are fixedly connected to the bottom surfaces of the clamping plates 10, the connecting blocks 11 are slidably arranged in the cavity 9, sliding grooves 14 are formed in the bottom surface of the cavity 9, sliding blocks 15 are fixedly arranged on the bottom surface of the connecting blocks 11, the sliding blocks 15 are in sliding clearance fit with the sliding grooves 14, the stability of the clamping plates 10 during movement is improved, a compression spring 12 is fixedly arranged between one side of the connecting blocks 11 and the side wall of the cavity 9, and the compression spring 12 elastically compresses safety valves to adapt to detection of safety valves with various sizes;

connecting block 11 one side fixed mounting has pull rod 16, pull rod 16 one end runs through 8 fixed mounting on the base has stopper 17, handheld stopper 17 pulling splint 10 is retreated and is adjusted, four group's splint 10 symmetry sets up, the centre gripping effect is good, work efficiency has been improved, it has chamber door 18 to articulate on the box 2, be provided with the handle on the chamber door 18, chamber door 18 inboard is provided with sealed the pad, keep the inside leakproofness of box 2, fixed mounting has defeated pump 19 on the control box 3, defeated pump 19 runs through and extends to inside the box 2, be provided with display screen 20 and control switch 21 on the control box 3 respectively, display screen 20 and control switch 21 all with defeated pump 19 electric connection, the safety valve that needs to detect is placed through the box 2 that sets up, it detects to carry out the pressure boost to the inside safety valve of box 2 to start defeated pump 19 through control switch 21 on the control box 3.

The working principle is as follows: when the safety valve detecting device is used, a safety valve to be detected is placed through the arranged box body 2, the pressure transmission pump 19 is started through the control switch 21 on the control box 3 to carry out pressurization detection on the safety valve in the box body 2, the four groups of clamping plates 10 which are connected on the base 8 in the box body 2 in a sliding mode clamp and fix the safety valve, the electric push rod 4 at the top of the box body 2 drives the pressing plate 5 to press downwards, the safety valve to be detected is further pressed and held, the sliding block 15 fixedly installed on the bottom surface of the connecting block 11 at the bottom surface of the clamping plate 10 is in sliding clearance fit with the sliding groove 14 formed in the cavity 9, and the stability of the clamping plate 10 during movement is improved;

through compression spring 12 elasticity of fixed connection between 11 one sides of connecting block and the cavity 9 lateral wall and compress tightly the relief valve, adapt to the detection of the relief valve of various sizes, connecting block 11 one side fixed mounting's pull rod 16 runs through and extends to 8 outside fixed mounting of base has stopper 17, and handheld stopper 17 stimulates splint 10 to retreat and adjusts, and four group's splint 10 symmetries set up, and the centre gripping effect is good, has improved work efficiency.

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 testing platform is used in relief valve check-up, includes workstation (1), box (2) and control box (3), its characterized in that: the box body (2) and the control box (3) are respectively arranged at two sides of the upper surface of the workbench (1), an electric push rod (4) is fixedly arranged at the top of the box body (2), the output end of the electric push rod (4) penetrates through and extends into the box body (2) to be fixedly connected with a pressing plate (5), a fixed seat (6) is fixedly arranged at the bottom in the box body (2), a turntable bearing (7) is fixedly arranged on the fixed seat (6), a base (8) is fixedly connected on the turntable bearing (7), a cavity (9) is arranged in the base (8), the upper surface of the base (8) is connected with four groups of clamping plates (10) in a sliding way, the bottom surfaces of the clamping plates (10) are fixedly connected with connecting blocks (11), connecting block (11) slidable mounting is in cavity (9), fixed mounting has compression spring (12) between connecting block (11) one side and cavity (9) lateral wall.

2. The testing platform for safety valve verification according to claim 1, wherein: through groove (13) have been seted up to base (8) upper surface equidistance, connecting block (11) slide with in leading to groove (13).

3. The testing platform for safety valve verification according to claim 1, wherein: the cavity (9) bottom surface has been seted up spout (14), connecting block (11) bottom surface fixed mounting has slider (15), slider (15) and spout (14) sliding clearance fit.

4. The testing platform for safety valve verification according to claim 1, wherein: connecting block (11) one side fixed mounting has pull rod (16), pull rod (16) one end runs through base (8) fixed mounting has stopper (17).

5. The testing platform for safety valve verification according to claim 1, wherein: a box door (18) is hinged to the box body (2), a handle is arranged on the box door (18), and a sealing gasket is arranged on the inner side of the box door (18).

6. The testing platform for safety valve verification according to claim 1, wherein: the hydraulic control box is characterized in that a pressure delivery pump (19) is fixedly mounted on the control box (3), the pressure delivery pump (19) penetrates and extends into the box body (2), a display screen (20) and a control switch (21) are respectively arranged on the control box (3), and the display screen (20) and the control switch (21) are both electrically connected with the pressure delivery pump (19).