CN218973987U

CN218973987U - Batch pressure testing machine

Info

Publication number: CN218973987U
Application number: CN202223454122.7U
Authority: CN
Inventors: 席侠军; 姜慧芬; 何雯雯; 刘新芬
Original assignee: Zhejiang Xunyu Security Technology Co ltd
Current assignee: Zhejiang Xunyu Security Technology Co ltd
Priority date: 2022-12-23
Filing date: 2022-12-23
Publication date: 2023-05-05
Anticipated expiration: 2032-12-23

Abstract

The utility model relates to the field of pressure testing equipment, and provides a batch pressure testing machine which comprises a supporting bottom box and a pressure testing main body, wherein the pressure testing main body is fixedly connected to the supporting bottom box, the top of the pressure testing main body is fixedly connected with a pressure testing assembly, a baffle plate is moved away from the top of a valve plate through a handle rod at one side of a rotary valve shaft, a spring is in an open state, steam in a boiler flows into the valve body through an air inlet pipe and flows out through an air outlet pipe to release the pressure in the boiler, when the handle rod is released, the handle rod is driven to reset through the resilience force of the spring, so that the baffle plate is attached to a valve plate through groove to close the air outlet of the air inlet pipe, the condition that the air pressure in the pressure box is excessively high is prevented from being exploded to a certain extent, and fire valves with different sizes can be respectively arranged on four different reducing hoops to carry out batch tests.

Description

Batch pressure testing machine

Technical Field

The utility model relates to the field of pressure testing machine equipment, in particular to a batch pressure testing machine.

Background

The fire-fighting fittings are the main components of the fire-fighting equipment, and mainly comprise galvanized steel pipes, galvanized seamless steel pipes, 4# angle steel, 5# angle steel, wet alarm valves, spray heads, fire boxes, butterfly valves, gate valves, groove fittings, hoops, hydrant heads, signal butterfly valves, water flow indicators, pressure switches, pressure gauges and the like, and the fire-fighting fittings need to test the pressure after production is completed, so that a pressure testing machine is needed.

However, in the existing fire valve pressure test machine, the use efficiency of the existing pressure test machine is low, and the operation steps are complicated, so that a great deal of researchers have great interest in the existing multi-station fire valve pressure test machine, and the existing fire valve pressure test machine has certain limitation because the structure is simple and the related functionality is less, so that potential safety hazards to a certain extent can not exist in the fire control process.

Therefore, it is necessary to provide a new batch pressure tester to solve the above technical problems.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a batch test press.

The batch pressure testing machine comprises a supporting bottom box and a pressure testing main body, wherein the pressure testing main body is fixedly connected to the supporting bottom box, and the top of the pressure testing main body is fixedly connected with a pressure testing assembly;

the pressure measuring assembly comprises a fixing seat, a pressure box, a pressure relief mechanism and two opposite test tubes, wherein the fixing seat is fixedly connected to the pressure testing main body, the pressure box is fixedly connected to the fixing seat, the two test tubes penetrate through the two sides of the pressure box respectively, the pressure relief mechanism is fixedly connected to one side, close to the test tube, of the pressure box, the test tube is far away from one end of the pressure box, a three-way pipe is arranged on one end ring of the pressure box, and two coaxial end faces in the three-way pipe are fixedly connected with a first reducer pipe hoop mechanism and a second reducer pipe hoop mechanism respectively.

Further, the first and second reducer pipe hoop mechanisms are identical in structure, and the first and second reducer pipe hoop mechanisms have a dimensional ratio of 1.5:1.

further, the first reducing pipe hoop mechanism comprises a first flange plate, a second flange plate, a communicating pipe, a reducing hoop and a water stop valve, wherein the first flange plate is fixedly connected to one end of the three-way pipe, two ends of the water stop valve are respectively detachably connected with the first flange plate and the second flange plate, one end, away from the water stop valve, of the second flange plate is fixedly connected with the communicating pipe, and one end, away from the second flange plate, of the communicating pipe is in threaded connection with the reducing hoop.

Further, a waterproof sealing ring is arranged at the joint of the communicating pipe and the reducing hoop in a ring mode.

Further, the pressure test main body comprises a main box body and a low-pressure pump, the main box body is fixedly connected to the supporting bottom box, two low-pressure pumps are respectively arranged on two sides of the main box body, water suction pipes are respectively arranged at the bottoms of two ends of the low-pressure pumps in a penetrating mode, connecting pipes are respectively arranged at the tops of two ends of the low-pressure pumps in a penetrating mode, one ends, away from the low-pressure pumps, of the water suction pipes are arranged in the supporting bottom box in a penetrating mode, and one ends, away from the low-pressure pumps, of the connecting pipes are arranged in the pressure box in a penetrating mode.

Further, the pressure release mechanism includes valve body, base, intake pipe, outlet duct and valve shaft, the valve body with the base passes through bolt fixed mounting in pressure tank one side respectively, just the valve body with the base passes through sealing washer sealing connection, fixedly connected with valve plate on the base, the one end of intake pipe is worn to establish in the base and is located the logical groove department of valve plate, the other end of intake pipe is worn to establish in the cavity of pressure tank, outlet duct and valve shaft are worn to be equipped with respectively at the top of valve body, the outlet duct cavity with cavity in the valve body is linked together, the valve shaft is located valve body center department and through ball bearing with valve body swing joint, the top fixedly connected with dead lever of valve body, the dead lever is located valve shaft one side.

Further, the bottom end of the valve shaft is provided with a baffle corresponding to the through groove of the valve plate in the circumferential direction, the baffle is attached to the top of the through groove of the valve plate, a handle rod is arranged in the circumferential direction of the top end of the valve shaft, a movable ring is sleeved on the outer surface of the handle rod, one side of the movable ring is fixedly connected with a spring, and the other end of the spring is fixedly connected with one side of the fixed rod.

Compared with the related art, the batch test press provided by the utility model has the following beneficial effects:

1. the baffle is moved away from the top of the through groove of the valve plate by rotating the handle rod on one side of the valve shaft, the spring is in an open state, steam in the boiler flows into the valve body through the air inlet pipe and flows out through the air outlet pipe, the pressure in the boiler is released, when the handle rod is loosened, the handle rod is driven to reset through the resilience force of the spring, and then the baffle is attached to the through groove of the valve plate to close the air outlet of the air inlet pipe, so that the condition that the air pressure in the pressure box is too high to explode is prevented to a certain extent.

2. The fire control valves with different sizes can be respectively arranged on four different reducing hoops for batch test.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a batch test press provided by the utility model;

FIG. 2 is a schematic diagram of a pressure testing body and pressure testing assembly according to the present utility model;

FIG. 3 is a schematic view of a pressure measurement assembly according to the present utility model;

FIG. 4 is a schematic view of the tee and first reducer pipe hoop mechanism provided by the present utility model;

FIG. 5 is a schematic view of an exploded construction of a first variable diameter pipe hoop mechanism provided by the present utility model;

FIG. 6 is a schematic diagram of an explosion structure of the pressure relief mechanism provided by the present utility model;

fig. 7 is a schematic cross-sectional structure of the pressure release mechanism provided by the utility model.

Reference numerals in the drawings: 1. supporting a bottom box; 2. a pressure test main body; 3. a fixing seat; 4. a pressure tank; 5. a test tube; 6. a three-way pipe; 7. a first variable diameter pipe hoop mechanism; 8. a second variable diameter pipe hoop mechanism; 9. a first flange; 10. a second flange; 11. a communicating pipe; 12. a reducing hoop; 13. a water stop valve; 14. a waterproof sealing ring; 15. a main case; 16. a low pressure pump; 17. a water suction pipe; 18. a connecting pipe; 19. a valve body; 20. a base; 21. an air inlet pipe; 22. an air outlet pipe; 23. a valve shaft; 24. a valve plate; 25. a fixed rod; 26. a baffle; 27. a handle bar; 28. a movable ring; 29. and (3) a spring.

Detailed Description

The utility model will be further described with reference to the drawings and embodiments.

Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, and fig. 7 in combination, fig. 1 is a schematic diagram of an overall structure of a batch test press according to the present utility model; FIG. 2 is a schematic diagram of a pressure testing body and pressure testing assembly according to the present utility model; FIG. 3 is a schematic view of a pressure measurement assembly according to the present utility model; FIG. 4 is a schematic view of the tee and first reducer pipe hoop mechanism provided by the present utility model; FIG. 5 is a schematic view of an exploded construction of a first variable diameter pipe hoop mechanism provided by the present utility model; FIG. 6 is a schematic diagram of an explosion structure of the pressure relief mechanism provided by the present utility model; fig. 7 is a schematic cross-sectional structure of the pressure release mechanism provided by the utility model.

In the specific implementation process, as shown in fig. 1-7, including supporting the base box 1 and the pressure testing main part 2, the pressure testing main part 2 fixedly connected with is on supporting the base box 1, the top fixedly connected with pressure measurement subassembly of the pressure testing main part 2, the pressure measurement subassembly includes fixing base 3, the pressure box 4, pressure release mechanism and two relative test tubes 5, fixing base 3 fixedly connected with is on the pressure testing main part 2, pressure box 4 fixedly connected with is on fixing base 3, two test tubes 5 wear to locate the both sides of pressure box 4 respectively, pressure release mechanism fixedly connected with is in pressure box 4 near one side of testing tube 5, one end ring that pressure box 4 was kept away from to testing tube 5 is equipped with three-way pipe 6, be in coaxial two terminal surfaces respectively fixedly connected with first reducing pipe hoop mechanism 7 and second reducing pipe hoop mechanism 8 in the three-way pipe 6, first reducing pipe hoop mechanism 7 and second reducing pipe hoop mechanism 8 are the same in structure, and the size ratio of first reducing pipe hoop mechanism 7 and second reducing pipe hoop mechanism 8 is 1.5:1.

the first reducing pipe hoop mechanism 7 comprises a first flange 9, a second flange 10, a communicating pipe 11, a reducing hoop 12 and a water stop valve 13, wherein the first flange 9 is fixedly connected to one end of the three-way pipe 6, two ends of the water stop valve 13 are respectively detachably connected with the first flange 9 and the second flange 10, one end, far away from the water stop valve 13, of the second flange 10 is fixedly connected with the communicating pipe 11, one end, far away from the second flange 10, of the communicating pipe 11 is in threaded connection with the reducing hoop 12, and a waterproof sealing ring 14 is arranged at the joint of the communicating pipe 11 and the reducing hoop 12 in a ring manner;

the pressure test main body 2 comprises a main box body 15 and low-pressure pumps 16, the main box body 15 is fixedly connected to the supporting bottom box 1, two low-pressure pumps 16 are respectively arranged at two sides of the main box body 15, water suction pipes 17 are respectively arranged at the bottoms of two ends of the two low-pressure pumps 16 in a penetrating manner, connecting pipes 18 are respectively arranged at the tops of two ends of the two low-pressure pumps 16 in a penetrating manner, one end, far away from the low-pressure pumps 16, of each water suction pipe 17 is arranged in the supporting bottom box 1 in a penetrating manner, and one end, far away from the low-pressure pumps 16, of each connecting pipe 18 is arranged in the pressure box 4 in a penetrating manner;

the pressure release mechanism comprises a valve body 19, a base 20, an air inlet pipe 21, an air outlet pipe 22 and a valve shaft 23, wherein the valve body 19 and the base 20 are fixedly arranged on one side of a pressure box 4 through bolts respectively, the valve body 19 is in sealing connection with the base 20 through a sealing ring, a valve plate 24 is fixedly connected to the base 20, one end of the air inlet pipe 21 penetrates through the base 20 and is positioned at the through groove of the valve plate 24, the other end of the air inlet pipe 21 penetrates through a cavity of the pressure box 4, the top of the valve body 19 is respectively penetrated with the air outlet pipe 22 and the valve shaft 23, the cavity of the air outlet pipe 22 is communicated with the cavity in the valve body 19, the valve shaft 23 is positioned at the center of the valve body 19 and is movably connected with the valve body 19 through a ball bearing, a fixed rod 25 is fixedly connected to the top of the valve body 19 through a fixed rod 25, the fixed rod 25 is positioned on one side of the valve shaft 23, a baffle 26 corresponding to the through groove of the valve plate 24 is arranged at the bottom of the valve shaft 23 in the circumferential direction, the baffle 26 is attached to the top of the through groove of the valve plate 24, a handle 27 is arranged at the circumferential direction of the top of the valve rod 27, a movable ring 28 is sleeved on the outer surface of the movable ring 28, one side of the movable ring 28 is fixedly connected with a spring 29, the other end of the spring 29 is fixedly connected to one side of the fixed rod 25, and the other end of the fixed rod is connected with one side of the fixed rod 25, and the fixed rod, when the pressure box 4 is in the pressure box 4, and the boiler is in the state of the boiler and the boiler is in a state of the state of being in a state of being opened through the valve shaft 27 through the valve shaft 29 through the valve shaft 26.

The working principle provided by the utility model is as follows: when the device is used, when the air pressure in the pressure tank 4 is too high, the baffle 26 is moved away from the top of the through groove of the valve plate 24 by rotating the handle rod 27 at one side of the valve shaft 23, the spring 29 is in an open state, steam in the boiler flows into the valve body 19 through the air inlet pipe 21 and flows out through the air outlet pipe 22 to release the pressure in the boiler, when the handle rod 27 is loosened, the handle rod 27 is driven by the resilience force of the spring 29 to reset, the baffle 26 is attached to the through groove of the valve plate 24 to close the air outlet of the air inlet pipe 21, the situation that the air pressure in the pressure tank 4 is too high is prevented to a certain extent, the device can be used for batch test according to fire valves with different sizes, the fire valves are respectively arranged on four different diameter-changing hoops 12, the other three water stop valves 13 are closed, then the low pressure pump 16 is started to pump water in the supporting bottom tank 1 to sequentially pass through the water suction pipe 17, the connecting pipe 18, the pressure tank 4, the test pipe 5, the three-way pipe 6, the fire stop valves 13, the communicating pipe 11, the diameter-changing hoops 12 and the fire valves are closed, all the water stop valves are closed, and the pressure of the water valves are detected by observing the pressure of the pressure gauge on the pressure tank 4.

The circuits and control involved in the present utility model are all of the prior art, and are not described in detail herein.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. The batch pressure testing machine is characterized by comprising a supporting bottom box (1) and a pressure testing main body (2), wherein the pressure testing main body (2) is fixedly connected to the supporting bottom box (1), and the top of the pressure testing main body (2) is fixedly connected with a pressure testing assembly;

the pressure measuring assembly comprises a fixing seat (3), a pressure box (4), a pressure relief mechanism and two opposite test tubes (5), wherein the fixing seat (3) is fixedly connected to the pressure testing main body (2), the pressure box (4) is fixedly connected to the fixing seat (3), the two test tubes (5) are respectively penetrated through the two sides of the pressure box (4), the pressure relief mechanism is fixedly connected to the pressure box (4) and is close to one side of the test tubes (5), the test tubes (5) are far away from one end ring of the pressure box (4) and are provided with a three-way tube (6), and two coaxial end faces in the three-way tube (6) are respectively fixedly connected with a first reducing tube hoop mechanism (7) and a second reducing tube hoop mechanism (8).

2. Batch test press according to claim 1, characterized in that the first and second reducer pipe hoop mechanisms (7, 8) are identical in structure, and the ratio of the dimensions of the first and second reducer pipe hoop mechanisms (7, 8) is 1.5:1.

3. the batch press according to claim 2, wherein the first reducing pipe hoop mechanism (7) comprises a first flange plate (9), a second flange plate (10), a communicating pipe (11), a reducing hoop (12) and a water stop valve (13), the first flange plate (9) is fixedly connected to one end of the three-way pipe (6), two ends of the water stop valve (13) are detachably connected with the first flange plate (9) and the second flange plate (10) respectively, one end of the second flange plate (10) away from the water stop valve (13) is fixedly connected with the communicating pipe (11), and one end of the communicating pipe (11) away from the second flange plate (10) is in threaded connection with the reducing hoop (12).

4. A batch test press as claimed in claim 3, characterised in that a waterproof sealing ring (14) is provided around the junction of the communication pipe (11) and the reducing collar (12).

5. The batch pressure testing machine according to claim 4, wherein the pressure testing main body (2) comprises a main box body (15) and a low-pressure pump (16), the main box body (15) is fixedly connected to the supporting bottom box (1), two low-pressure pumps (16) are respectively arranged on two sides of the main box body (15), water suction pipes (17) are respectively arranged at bottoms of two ends of the low-pressure pumps (16) in a penetrating manner, connecting pipes (18) are respectively arranged at tops of two ends of the low-pressure pumps (16) in a penetrating manner, one ends of the water suction pipes (17) away from the low-pressure pumps (16) are arranged in the supporting bottom box (1) in a penetrating manner, and one ends of the connecting pipes (18) away from the low-pressure pumps (16) are arranged in the pressure box (4) in a penetrating manner.

6. The batch pressure testing machine according to claim 5, wherein the pressure release mechanism comprises a valve body (19), a base (20), an air inlet pipe (21), an air outlet pipe (22) and a valve shaft (23), the valve body (19) and the base (20) are fixedly installed on one side of the pressure box (4) through bolts respectively, the valve body (19) and the base (20) are in sealing connection through sealing rings, a valve plate (24) is fixedly connected to the base (20), one end of the air inlet pipe (21) penetrates through the base (20) and is located at a through groove of the valve plate (24), the other end of the air inlet pipe (21) penetrates through the air outlet pipe (22) and the valve shaft (23) in a cavity of the pressure box (4), the air outlet pipe (22) is communicated with the cavity in the valve body (19), the valve shaft (23) is located at the center of the valve body (19) and is movably connected with the valve body (19) through ball bearings, one end of the air inlet pipe (21) is fixedly connected with a valve shaft (25), and the valve shaft (25) is located on one side of the valve shaft (25).

7. The batch press according to claim 6, wherein a baffle (26) corresponding to the through groove of the valve plate (24) is arranged at the bottom end of the valve shaft (23) in the circumferential direction, the baffle (26) is attached to the top of the through groove of the valve plate (24), a handle (27) is arranged at the circumferential direction of the top end of the valve shaft (23), a movable ring (28) is sleeved on the outer surface of the handle (27), a spring (29) is fixedly connected to one side of the movable ring (28), and the other end of the spring (29) is fixedly connected with one side of the fixed rod (25).