CN219870281U - Safety valve calibration device - Google Patents

Abstract

The utility model discloses a safety valve checking device, which comprises an air tightness detector and a limiting component arranged on a workbench of the air tightness detector, wherein an air inlet pipe is arranged at the central position of the workbench of the air tightness detector, the limiting component comprises a bracket which is arranged on the periphery of the air inlet pipe and is formed by assembling a fixed ring, a mounting ring and a plurality of fixed rods, the plurality of fixed rods are sleeved with the same movable ring, a plurality of L-shaped rods distributed in a circumferential manner are fixedly arranged on the movable ring, a plurality of limiting rods are rotatably arranged at the top of the fixed ring, and one end of each limiting rod is provided with a sliding hole for the L-shaped rods to move. According to the utility model, the limiting assembly consisting of the movable ring, the limiting rod, the L-shaped rod and the like is arranged on the periphery of the air inlet pipe, so that the safety valve is rapidly centered, the accuracy of the measurement of the safety valve is ensured, and compared with the conventional method that the safety valve is required to be repeatedly confirmed to be placed on a rubber pad at the top of the air inlet pipe when the safety valve is placed, the operation is more convenient, and the verification efficiency of the safety valve is effectively improved.

Description

Safety valve calibration device

Technical Field

The utility model relates to the technical field of safety valve checking and detecting, in particular to a safety valve checking device.

Background

The safety valve is a safety accessory of a pressure container and pipeline equipment, and belongs to an automatic valve, and the safety valve utilizes the force of a medium to discharge rated quantity of fluid without any external force so as to prevent the pressure in the system from exceeding a preset safety value. The action reliability and performance of the safety valve are directly related to the safety of equipment and personnel, the safety valve is closely related to energy conservation and environmental protection, the safety valve cannot be opened in time when dangers occur due to the excessively high pressure setting, accidents are easy to occur, phenomena such as running, overflowing and the like occur due to the excessively low pressure setting, energy is wasted, the environment is polluted, and sometimes the sealing surface of the safety valve is damaged due to frequent tripping.

The setting pressure of the safety valve is an important parameter related to whether the safety valve can be opened in time when the equipment is pressurized too high, the setting pressure is required to be detected regularly for the safety valve according to relevant national regulations, and an air tightness detector is usually used for checking the small-caliber safety valve, and the air tightness detection in the market at present is realized by placing the safety valve above an air inlet on a workbench and pressing and clamping the safety valve by an air cylinder.

Disclosure of Invention

The utility model aims to provide a safety valve checking device, which is used for solving the problem that the installation and alignment are time-consuming and the checking efficiency is affected when the current safety valve is checked in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a relief valve verifying attachment, includes the gas tightness detector and installs the spacing subassembly on the gas tightness detector workstation, the central point department of gas tightness detector workstation is equipped with the intake pipe, spacing subassembly is including locating the support that is assembled by solid fixed ring, collar and a plurality of dead lever in the intake pipe periphery, cup jointed same removal ring on a plurality of dead lever, remove the ring with install the spring between the collar, remove and be a plurality of L shape poles that the circle distributes on the ring fixed mounting, a plurality of gag lever posts are installed in the top rotation of solid fixed ring, the one end of gag lever post has been offered the confession the slide hole that L shape pole removed, so that a plurality of L shape poles are through slide hole drive gag lever post rotate to contradict and accomplish the quick centering of relief valve in the intake pipe when doing vertical movement.

Preferably, the top of the fixed ring is fixedly provided with a plurality of installation seats distributed in a circumferential manner, and the limiting rod is rotationally connected with the installation seats through a rotating shaft.

Preferably, the side edge of the movable ring extends outwards from the main body and forms a T-shaped section, and a through hole for accommodating the L-shaped rod is formed in the T-shaped section.

Preferably, the side wall of the L-shaped rod is fixedly provided with an anti-falling ring.

Preferably, one end of the limiting rod is integrally formed with a bending section.

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

according to the utility model, the limiting assembly consisting of the movable ring, the limiting rod, the L-shaped rod and the like is arranged on the periphery of the air inlet pipe, so that the safety valve is rapidly centered, the accuracy of the measurement of the safety valve is ensured, and compared with the conventional method that the safety valve is required to be repeatedly confirmed to be placed on a rubber pad at the top of the air inlet pipe when the safety valve is placed, the safety valve is ensured to be accurate, the operation is more convenient, and the verification efficiency of the safety valve is effectively improved.

Drawings

FIG. 1 is a schematic view of the overall perspective structure of a safety valve checking device according to the present utility model;

FIG. 2 is an enlarged perspective view of a limiting assembly of a check device of a safety valve according to the present utility model;

fig. 3 is a schematic diagram of a split three-dimensional structure of a limiting component of a safety valve checking device of the present utility model.

In the figure: 1. an air tightness detector; 2. an air inlet pipe; 3. a cylinder; 4. a pressing plate; 5. a mounting ring; 6. a fixed rod; 7. a mounting base; 8. a limit rod; 9. a moving ring; 10. a T-shaped section; 11. an L-shaped rod; 12. and a fixing ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model relates to a safety valve checking device, which comprises an air tightness detector 1 and a limit component arranged on a workbench of the air tightness detector 1, wherein the air tightness detector 1 is in the prior art, and is also provided with a connecting pressure gauge display instrument (not shown in the figure) for measuring the pressure and air tightness of a small-caliber safety valve, an air inlet pipe 2 is arranged at the central position of the workbench of the air tightness detector 1, a silica gel sealing gasket is arranged at the top of the air inlet pipe 2 and used for ensuring the tight connection between the safety valve and the air inlet pipe 2, when the air tightness of the safety valve is measured, the safety valve is arranged above the rubber gasket at the top of the air inlet pipe 2, a control cylinder 3 drives a pressing plate 4 to be pressed down to be tightly attached to the top of the safety valve, then the pressure value of the safety valve is measured by injecting air into the air inlet pipe 2, the limit component comprises a bracket which is arranged at the periphery of the air inlet pipe 2 and is assembled by a fixed ring 12, a mounting ring 5 and a plurality of fixed rods 6, the mounting ring 5 is provided with a plurality of round holes, the bracket is arranged on the workbench of the air tightness detector 1 by penetrating the round holes through screws, the plurality of fixing rods 6 are sleeved with the same movable ring 9, springs are arranged between the movable ring 9 and the mounting ring 5, the movable ring 9 is fixedly provided with a plurality of L-shaped rods 11 distributed in a circumferential manner, the side edges of the movable ring 9 extend outwards from the main body and form T-shaped sections 10, the T-shaped sections 10 can also be used as supporting points for pressing the movable ring 9 by hands, the T-shaped sections 10 are provided with through holes for accommodating the L-shaped rods 11, the side walls of the L-shaped rods 11 are fixedly provided with anti-drop rings, the L-shaped rods 11 penetrate through sliding holes and are clamped on the T-shaped sections 10 in a matched manner through nuts and the anti-drop rings, the tops of the fixing rings 12 are rotatably provided with a plurality of limiting rods 8, one ends of the limiting rods 8 are integrally formed with bending sections, the utility model aims to be attached to the side wall of a safety valve, a plurality of mounting seats 7 which are distributed in a circumferential manner are fixedly arranged at the top of a fixed ring 12, a limiting rod 8 is rotatably connected with the mounting seats 7 through a rotating shaft, a sliding hole for the L-shaped rods 11 to move is formed in one end of the limiting rod 8, so that when a plurality of L-shaped rods 11 do vertical motion, the limiting rod 8 is driven to rotate to abut against the safety valve and complete quick centering of the safety valve on the air inlet pipe 2 through the sliding hole, when the safety valve is arranged, the moving ring 9 is pressed downwards, the moving ring 9 presses a spring and moves in the sliding hole of the limiting rod 8 through the L-shaped rods 11, the limiting rod 8 is pulled to rotate around the rotating shaft on the mounting seats 7 to open the safety valve, the safety valve is placed at the top of the air inlet pipe 2, the moving ring 9 is released again, the spring releases own elasticity, the limiting rod 8 is driven to rotate to abut against the safety valve, the safety valve is centered and clamped through the four groups of limiting rods 8, and then the air cylinder 3 is controlled to drive the pressing plate 4 to press down to tightly attach to the top of the safety valve.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. A safety valve verification device, characterized in that: including gas tightness detector (1) with install spacing subassembly on gas tightness detector (1) workstation, the central point department of gas tightness detector (1) workstation is equipped with intake pipe (2), spacing subassembly is including locating the support of constituteing by solid fixed ring (12), collar (5) and a plurality of dead lever (6) assembly of intake pipe (2) periphery, cup jointed same removal ring (9) on a plurality of dead lever (6), remove ring (9) with install the spring between collar (5), a plurality of L shape poles (11) that are the border distribution of fixed mounting on removal ring (9), a plurality of gag lever posts (8) are installed in the top rotation of collar (12), the slide hole that supplies L shape pole (11) remove is seted up to one end of gag lever post (8), so that a plurality of L shape pole (11) are through slide hole drive gag lever (8) and rotate to and accomplish the quick centering of relief valve on intake pipe (2) when perpendicular motion.

2. A safety valve verification device according to claim 1, wherein: the top of the fixed ring (12) is fixedly provided with a plurality of installation seats (7) which are distributed in a circumferential manner, and the limiting rod (8) is rotationally connected with the installation seats (7) through a rotating shaft.

3. A safety valve verification device according to claim 1, wherein: the side edge of the movable ring (9) extends outwards from the main body and forms a T-shaped section (10), and a through hole for accommodating the L-shaped rod (11) is formed in the T-shaped section (10).

4. A safety valve verification device according to claim 3, wherein: the side wall of the L-shaped rod (11) is fixedly provided with an anti-drop ring.

5. A safety valve verification device according to claim 1, wherein: one end of the limiting rod (8) is integrally formed with a bending section.