Safety valve performance test system
By designing the test bench and adjustment mechanism, flexible installation and fixation of safety valves of different sizes is achieved, the limitations of existing devices are solved, and the testing effect and safety are improved.
Patent Information
- Application Number
- CN202421158146.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-27
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-05-27
AI Technical Summary
The existing safety valve performance testing device is difficult to adapt to safety valves of different sizes for testing, and the test limitations are great, so it is impossible to effectively fix and test multiple types of safety valves.
A safety valve performance testing system including a test bench, a fixing seat, an adjustment mechanism, a lifting mechanism and a pressurized pressure relief pipe was designed. The adjustment mechanism and a lifting mechanism were used to achieve flexible installation and fixing of the safety valve, and the fastening rod and fixing bolts were used. Improve fixing strength and safety.
It realizes flexible testing of safety valves of different sizes, reduces testing limitations, improves testing effect and fixing strength, and enhances the safety of pressurization.
Smart Images
Figure CN222280129U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of safety valve testing, in particular to a safety valve performance testing system. Background Art
[0002] After the safety valve is assembled, it is necessary to carry out a performance test, adjust the set pressure of the safety valve, and test a series of parameters such as its sealing, discharge pressure, and return pressure. The safety valve performance test requires fixed equipment for fixing.
[0003] For example, a safety valve pressure relief performance test device with application number 202321714101.6, which places the pressure port of the safety valve on the top of the movable plate, connects the pressure pipe with the pressure port of the safety valve, seals the pressure port seal between the safety valve and the movable plate, aligns the pressure relief port of the safety valve with the pressure relief pipe, and seals the pressure relief port seal between the safety valve and the pressure relief pipe. The end face is fitted to reduce the degree of fit required for fixing the safety valve, which is convenient for subsequent fixing tests of various types of safety valves. However, it is difficult for this device system to test safety valves of different sizes, and the test is relatively limited.
[0004] Therefore, in view of this, the existing structural deficiencies are studied and improved, and a safety valve performance testing system is proposed. Utility Model Content
[0005] The utility model aims to provide a safety valve performance testing system to solve the problems raised in the above background technology.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a safety valve performance testing system, comprising a test bench and a fixed seat fixedly connected to the left side of the upper surface of the test bench, an air intake pipe is arranged inside the fixed seat, an adjustment mechanism is arranged on the right side of the upper surface of the test bench, a slide is arranged on the upper surface of the adjustment mechanism, a lifting mechanism is arranged inside and outside the slide, a pressure relief pipe is arranged inside the slide, and a safety valve is arranged above the lifting mechanism.
[0007] Preferably, the adjustment mechanism includes an adjustment seat fixedly connected to the right side of the upper surface of the test bench, the internal rotation of the adjustment seat is connected to a one-way screw rod, the outer cylindrical surface of the one-way screw rod is threadedly connected to a first nut seat, and the upper surface of the first nut seat is fixedly connected to the lower surface of the slide.
[0008] Preferably, the lifting mechanism includes a bidirectional screw rod rotatably connected to the inside of the slide, the outer cylindrical surface of the bidirectional screw rod is threadedly connected to two second nut seats, the upper surface of the second nut seat is rotatably connected to a scissors frame, the upper end of the scissors frame is rotatably connected to a lifting platform, and the upper surface of the lifting platform extends to the lower surface and is provided with a pressurizing port.
[0009] Preferably, the front end of the bidirectional screw is fixedly connected to a second hand wheel, and the right end of the unidirectional screw is fixedly connected to a first hand wheel.
[0010] Preferably, a buckle strip is provided on the upper surface of the lifting platform, and the lower chassis of the safety valve is clamped on the inner surface of the buckle strip.
[0011] Preferably, a strip-shaped hole is provided on the upper surface of the lifting platform extending to the lower surface, and a fixing bolt is provided on the upper surface of the buckle strip passing through the strip-shaped hole.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] 1. The utility model is provided with a test bench, a fixing seat, an air intake pipe, an adjusting mechanism, an adjusting seat, a one-way screw, a first hand wheel, a first nut seat, a sliding table, a lifting mechanism, a two-way screw, a second hand wheel, a second nut seat, a scissor frame, a lifting platform, a pressurizing port, a pressure relief pipe, and a safety valve. When testing safety valves of different sizes, the second hand wheel can be firstly rotated to drive the two-way screw to rotate, the scissor frame can support and adjust the lifting height of the lifting platform, and then the first hand wheel is rotated to install the flanges of the air intake pipe and the pressure relief pipe on the flange of the safety valve, and then a pressurizing test is performed through the pressurizing port. This design can reduce the limitations of the test to obtain a better test effect;
[0014] 2. The utility model provides buckle strips, strip holes and fixing bolts. After the buckle strips are fixed by fixing bolts, safety valve chassis of different sizes can be fixed to the upper surface of the lifting platform, thereby further improving the fixing strength of the safety valve and improving the safety of pressurization. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;
[0016] Figure 2 It is a three-dimensional cross-sectional structural diagram of the adjustment seat 41 of the utility model;
[0017] Figure 3 It is a schematic diagram of the three-dimensional cross-sectional structure of the slide table of the utility model at 5 locations;
[0018] Figure 4 This is a schematic diagram of the system flow of the utility model.
[0019] In the figure: 1. test bench; 2. fixing seat; 3. air inlet pipe; 4. adjusting mechanism; 41. adjusting seat; 42. one-way screw; 421. first hand wheel; 43. first nut seat; 5. slide; 6. lifting mechanism; 61. two-way screw; 611. second hand wheel; 62. second nut seat; 63. scissors frame; 64. lifting platform; 65. pressurizing port; 7. pressure relief pipe; 8. safety valve; 9. buckle strip; 10. strip hole; 11. fixing bolt. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0021] like Figure 1-Figure 4 As shown, a safety valve performance test system comprises a test bench 1 and a fixed seat 2 fixedly connected to the left position of the upper surface of the test bench 1, an air intake pipe 3 is arranged inside the fixed seat 2, an adjusting mechanism 4 is arranged on the right position of the upper surface of the test bench 1, a slide 5 is arranged on the upper surface of the adjusting mechanism 4, a lifting mechanism 6 is arranged inside and outside the slide 5, a pressure relief pipe 7 is arranged inside the slide 5, a safety valve 8 is arranged above the lifting mechanism 6, a pressurizing pipe is fixedly connected to the lower surface of the pressurizing port 65, valves are arranged inside and outside the air intake pipe 3 and the pressure relief pipe 7, wherein a pressure gauge is arranged on the upper inner and outer parts of the pressure relief pipe 7 on the right side of the valve of the pressure relief pipe 7, the adjusting mechanism 4 comprises an adjusting seat 41 fixedly connected to the right position of the upper surface of the test bench 1, a one-way screw rod 42 is rotatably connected inside the adjusting seat 41, a first nut seat 43 is threadedly connected to the outer cylindrical surface of the one-way screw rod 42, and the upper surface of the first nut seat 43 is fixedly connected Connected to the lower surface of the slide 5, the lifting mechanism 6 includes a bidirectional screw rod 61 rotatably connected to the inside of the slide 5, the outer cylindrical surface of the bidirectional screw rod 61 is threadedly connected to two second nut seats 62, the upper surface of the second nut seat 62 is rotatably connected to a scissor frame 63, the upper end of the scissor frame 63 is rotatably connected to a lifting platform 64, the upper surface of the lifting platform 64 extends to the lower surface and is provided with a pressurizing port 65, the central axis of the scissor frame 63 can slide within the upper limit of the scissor arm on one side, the front end of the bidirectional screw rod 61 is fixedly connected to a second hand wheel 611, and the right end of the unidirectional screw rod 42 is fixedly connected to a first hand wheel 421. When testing safety valves 8 of different sizes, the second hand wheel 611 can be rotated first to drive the bidirectional screw rod 61 to rotate, the scissor frame 63 can support and adjust the lifting height of the lifting platform 64, and then the first hand wheel 421 is rotated to install the flange of the intake pipe 3 and the pressure relief pipe 7 on the flange of the safety valve 8, and then a pressurization test is performed through the pressurizing port 65.
[0022] like Figure 3 As shown, a buckle strip 9 is provided on the upper surface of the lifting platform 64 , and the lower chassis of the safety valve 8 is clamped on the inner surface of the buckle strip 9 .
[0023] Furthermore, a strip hole 10 is provided on the upper surface of the lifting platform 64 and extends to the lower surface. A fixing bolt 11 is provided on the upper surface of the buckle strip 9 and passes through the strip hole 10. The buckle strip 9 is L-shaped. The upper surface of the buckle strip 9 passes through the lower surface and a preset hole is provided for the fixing bolt 11 to pass through. The length of the fixing bolt 11 is sufficient to extend from the upper surface of the buckle strip 9 to the lower surface of the lifting platform 64.
[0024] Working principle: When using the safety valve performance test system, first, when testing safety valves 8 of different sizes, the second hand wheel 611 can be turned to drive the bidirectional screw rod 61 to rotate, and the scissor frame 63 can support the adjustment of the lifting height of the lifting platform 64, and then the first hand wheel 421 is turned to install the flange of the intake pipe 3 and the pressure relief pipe 7 on the flange of the safety valve 8, and then a pressure test is performed through the pressure port 65. After the buckle strip 9 is fixed by the fixing bolt 11, the chassis of safety valves 8 of different sizes can be fixed to the upper surface of the lifting platform 64, which further improves the fixing strength of the safety valve 8. This is the working principle of the safety valve performance test system.
Claims
1. A safety valve performance test system, comprising a test bench (1) and a fixing seat (2) fixedly connected to the left side of the upper surface of the test bench (1), characterized in that: An air intake pipe (3) is provided inside the fixing seat (2), an adjustment mechanism (4) is provided on the right side of the upper surface of the test bench (1), a slide (5) is provided on the upper surface of the adjustment mechanism (4), a lifting mechanism (6) is provided inside and outside the slide (5), a pressure relief pipe (7) is provided inside the slide (5), and a safety valve (8) is provided above the lifting mechanism (6).
2. A safety valve performance testing system according to claim 1, characterized in that: The adjustment mechanism (4) comprises an adjustment seat (41) fixedly connected to the right side of the upper surface of the test bench (1); a one-way screw rod (42) is rotatably connected inside the adjustment seat (41); an outer cylindrical surface of the one-way screw rod (42) is threadedly connected to a first nut seat (43); and an upper surface of the first nut seat (43) is fixedly connected to the lower surface of the slide table (5).
3. A safety valve performance testing system according to claim 1, characterized in that: The lifting mechanism (6) includes a bidirectional screw rod (61) rotatably connected to the inside of the slide (5), the outer cylindrical surface of the bidirectional screw rod (61) is threadedly connected to two second nut seats (62), the upper surface of the second nut seat (62) is rotatably connected to a scissor frame (63), the upper end of the scissor frame (63) is rotatably connected to a lifting platform (64), and the upper surface of the lifting platform (64) extends to the lower surface and is provided with a pressurizing port (65).
4. A safety valve performance testing system according to claim 3, characterized in that: The front end of the bidirectional screw rod (61) is fixedly connected to a second hand wheel (611), and the right end of the unidirectional screw rod (42) is fixedly connected to a first hand wheel (421).
5. A safety valve performance testing system according to claim 3, characterized in that: The upper surface of the lifting platform (64) is provided with a buckle strip (9), and the lower chassis of the safety valve (8) is clamped on the inner surface of the buckle strip (9).
6. A safety valve performance testing system according to claim 5, characterized in that: The upper surface of the lifting platform (64) extends to the lower surface and is provided with a strip hole (10), and the upper surface of the buckle strip (9) is provided with a fixing bolt (11) penetrating the strip hole (10).