CN220670923U - Device for on-line detection of emergency pressure release valve - Google Patents

Abstract

The utility model discloses a device for detecting an emergency relief valve on line, which relates to the technical field of relief valve detection and solves the technical problem that the prior art cannot automatically weigh and accurately detect the opening pressure of the relief valve.

Description

Device for on-line detection of emergency pressure release valve

Technical Field

The utility model relates to the technical field of pressure relief valve detection, in particular to a device for detecting an emergency pressure relief valve on line.

Background

The utility model mainly relates to a detection technology of a relief valve, and provides a device capable of rapidly detecting an emergency relief valve on line, wherein the emergency relief valve is a safety accessory which is required to be installed on a dangerous chemical storage tank, and is very critical to be accurately opened in time, once the emergency relief valve cannot be accurately opened, the accident scale is enlarged, and the detection loading adopts stretching weighing calculation to determine the opening pressure of the emergency relief valve. The device fills up the fact that no online detection exists in the market; during the test, the tensile force is not increased any more to judge the opening pressure of the emergency relief valve by the aid of the ultrasonic leakage test gas.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a device for detecting an emergency relief valve on line, which solves the technical problem that the prior art cannot automatically weigh and accurately detect the opening pressure of the relief valve.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a device of on-line measuring urgent relief valve, includes the base, its characterized in that, the wall fixed mounting has adjustable relief valve structure on the base, the tripod structure is installed to the wall on the base, the fine setting dynamometry structure is installed to tripod structure upper end, the fine setting dynamometry structure links to each other with adjustable relief structure through detecting the cable, be provided with tension sensor on the detecting cable.

The adjustable relief valve structure comprises a flange seat, the flange seat is arranged on the base, a limited gland is hinged on the flange seat, a sliding rail is arranged on the limited gland, an adjustable counterweight is slidably arranged on the sliding rail, and the detection cable is fixedly arranged on the upper wall surface of the limited gland.

The embodiment is further configured in that the tripod structure comprises a detection seat, three supporting legs are rotatably mounted on the lower wall surface of the detection seat, and the detection seat is required to be mounted above the pressure limiting cover.

The embodiment is further configured that the fine-tuning force measuring structure comprises a threaded rod, a pair of lower rocker arms are rotatably mounted on the detection seat, a pair of shaft sleeve frames are fixedly mounted at one ends of the lower rocker arms respectively, a pair of upper rocker arms are rotatably mounted on the shaft sleeve frames respectively, rope hitch plates are fixedly mounted at the upper ends of the upper rocker arms, and the threaded rod is rotatably mounted in one of the shaft sleeve frames.

The embodiment is further configured such that the threaded rod is provided with an external thread, the other of the pair of shaft sleeve frames is internally provided with an internal thread, and the other of the pair of shaft sleeve frames is in threaded connection with the threaded rod.

The embodiment is further configured in that the detecting cable is fixedly connected to the rope hitch plate, a square ring is arranged on the detecting cable, and the threaded rod penetrates through the square ring.

The embodiment is further arranged in such a way that a manual rotary table is fixedly arranged at one end of the threaded rod.

Advantageous effects

The utility model provides a device for detecting an emergency relief valve on line, which is characterized in that through the combination of a threaded rod, a rocker arm and a rope head plate, the device detects the working state and the stress condition of the relief valve in real time through a tension sensor on a detection rope, can timely find abnormal conditions and adjust and maintain the abnormal conditions, and a manual turntable in the device can be manually operated conveniently, so that the working state of the relief valve can be conveniently adjusted and controlled _。

Drawings

Fig. 1 is a schematic front view of an apparatus for on-line detecting an emergency relief valve according to the present utility model.

In the figure: 1. a base; 2. detecting a rope; 3. a tension sensor; 4. a flange seat; 5. a pressure limiting cover; 6. a slide rail; 7. an adjustable counterweight; 8. a detection seat; 9. support legs; 10. a threaded rod; 11. a lower rocker arm; 12. a shaft sleeve frame; 13. an upper rocker arm; 14. rope hitch plate; 15. square rings; 16. a manual turntable;

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. 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, the present utility model provides a technical solution: the device for on-line detection of the emergency relief valve comprises a base 1, and is characterized in that an adjustable relief valve structure is fixedly arranged on the upper wall surface of the base 1, a triangular bracket structure is fixedly arranged on the upper wall surface of the base 1, a fine-tuning force measuring structure is arranged at the upper end of the triangular bracket structure, the fine-tuning force measuring structure is connected with the adjustable relief structure through a detection rope 2, a tension sensor 3 is arranged on the detection rope 2, the adjustable relief valve structure comprises a flange seat 4, the flange seat 4 is arranged on the base 1, a limited gland 5 is hinged on the flange seat 4, a sliding rail 6 is arranged on the limited gland 5, an adjustable weight 7 is slidably arranged on the sliding rail 6, the detection rope 2 is fixedly arranged on the upper wall surface of the limited gland 5, the triangular bracket structure comprises a detection seat 8, three support legs 9 are rotatably arranged on the lower wall surface of the detection seat 8, the detection seat 8 is arranged above the pressure limiting cover 5, the fine-tuning force measuring structure comprises a threaded rod 10, a pair of lower rocker arms 11 are rotatably arranged on the detection seat 8, a pair of shaft sleeve frames 12 are fixedly arranged at one ends of the lower rocker arms 11 respectively, a pair of upper rocker arms 13 are rotatably arranged on the shaft sleeve frames 12 respectively, a rope head plate 14 is fixedly arranged at the upper ends of the upper rocker arms 13, the threaded rod 10 is rotatably arranged in one of the shaft sleeve frames 12, an external thread is arranged on the threaded rod 10, an internal thread is arranged in the other one of the shaft sleeve frames 12, the other one of the shaft sleeve frames 12 is in threaded connection with the threaded rod 10, the detection rope 2 is fixedly connected to the rope head plate 14, a square ring 15 is arranged on the detection rope 2, the threaded rod 10 penetrates through the square ring 15, one end of the threaded rod 10 is fixedly provided with a manual rotary table 16.

The detailed connection means are known in the art, and the following mainly describes the working principle and process, and the specific work is as follows.

Examples: as shown in fig. 1, an operator connects the detection cable 2 to the limit cover 5, so that the position of the adjustable counterweight 7 on the sliding rail 6 is adjusted to change the sealing pressure of the limit cover 5, the operator rotates and rotates manually, the manual rotary table 16 drives the threaded rod 10 to rotate, the threaded rod 10 moves with the shaft sleeve frames 12 in threaded connection, the two shaft sleeve frames 12 move in opposite directions, the lower rocker arm 11 and the upper rocker arm 13 tend to stand, the distance from the rope hitch plate 14 to the limit cover 5 is increased, the tension of the detection cable 2 is gradually increased, the tension is detected through the tension sensor 3, the actual pressure is converted through the pressure and the pipe orifice area of the flange seat 4 until the pressure of the limit cover 5 is pulled, and for this purpose, the performance detection of the emergency relief valve is completed, and the opening pressure of the emergency relief valve is detected.

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.

Claims (6)

1. The utility model provides a device of on-line measuring urgent relief valve, includes base (1) and adjustable relief valve structure, its characterized in that, base (1) upper wall fixed mounting has adjustable relief valve structure, base (1) upper wall sets up installs the tripod structure, the fine setting dynamometry structure is installed to tripod structure upper end, fine setting dynamometry structure links to each other with adjustable relief structure through detecting rope (2), be provided with tension sensor (3) on detecting rope (2).

2. The device for on-line detection of an emergency pressure release valve according to claim 1, wherein the tripod structure comprises a detection seat (8), three supporting legs (9) are rotatably arranged on the lower wall surface of the detection seat (8), and the detection seat (8) is arranged above the adjustable pressure release valve structure.

3. The device for on-line detection of an emergency pressure release valve according to claim 2, wherein the fine-tuning force measuring structure comprises a threaded rod (10), a pair of lower rocker arms (11) are rotatably mounted on the detection seat (8), a pair of shaft sleeve frames (12) are fixedly mounted at one ends of the lower rocker arms (11), a pair of upper rocker arms (13) are rotatably mounted on the shaft sleeve frames (12), a rope hitch plate (14) is fixedly mounted at the upper ends of the upper rocker arms (13), and the threaded rod (10) is rotatably mounted in one of the shaft sleeve frames (12).

4. A device for on-line detection of an emergency pressure release valve according to claim 3, characterized in that said threaded rod (10) is provided with an external thread, the other of said pair of bushing brackets (12) is provided with an internal thread, and the other of said pair of bushing brackets (12) is screwed to said threaded rod (10).

5. The device for on-line detection of an emergency pressure release valve according to claim 4, wherein the detection cable (2) is fixedly connected to the rope hitch (14), a square ring (15) is provided on the detection cable (2), and the threaded rod (10) passes through the square ring (15).

6. An apparatus for on-line detection of emergency pressure relief valves according to claim 5, characterized in that said threaded rod (10) is fixedly fitted with a manual rotary disc (16) at one end.