CN212539538U

CN212539538U - Fire hydrant hydraulic seal test device

Info

Publication number: CN212539538U
Application number: CN202021410940.5U
Authority: CN
Inventors: 黄斯毅; 尤志伟; 陈永文; 庄彬洪; 谢志伟
Original assignee: Fujian Minshan Fire Fighting Co ltd
Current assignee: Fujian Minshan Fire Fighting Co ltd
Priority date: 2020-07-17
Filing date: 2020-07-17
Publication date: 2021-02-12
Anticipated expiration: 2030-07-17

Abstract

The utility model discloses a fire hydrant hydraulic seal test device, which comprises a supporting table, the fixed board of placing that is equipped with in one side of brace table, it keeps away from to place the board one side of brace table is equipped with the water tank, the inside of water tank is equipped with the air pocket, the one end of air pocket is equipped with the sack, the inside of air pocket is equipped with the fire hydrant, the top of fire hydrant is equipped with communicating pipe, keep away from communicating pipe the one end of fire hydrant pass through the sack to the outside of air pocket is extended, keep away from communicating pipe the one end of fire hydrant is equipped with the intake pipe, the intake pipe with connect through the pipe connector between communicating pipe, the intake pipe is kept away from the one end and the pump connection of pipe connector, bottom one side of air pocket is. Has the advantages that: the device simple structure, convenient operation uses, and the change of experimental phenomenon can audio-visually be seen out to judge the leakproofness of fire hydrant.

Description

Fire hydrant hydraulic seal test device

Technical Field

The utility model belongs to the technical field of the fire hydrant test device, particularly, relate to a fire hydrant hydraulic seal test device.

Background

The ground fire hydrant is a fire-fighting water supply facility and is used for supplying water to a fire engine or directly connected with a water hose and a water gun for fire extinguishing. After the ground fire hydrant is produced, a hydraulic sealing test needs to be carried out to ensure the product quality. The traditional fire hydrant hydraulic sealing test device is characterized in that a bolt penetrates through a bolt hole in a flange plate at the bottom of a fire hydrant, and then the bolt is manually screwed to be fixed on the test device.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fire hydrant hydraulic seal test device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a fire hydrant hydraulic sealing test device comprises a supporting table, a placing plate is fixedly arranged on one side of the supporting table, a water tank is arranged on one side, away from the supporting table, of the placing plate, an air bag is arranged inside the water tank, an air bag opening is formed in one end of the air bag, a fire hydrant is arranged inside the air bag, a communicating pipe is arranged at the top of the fire hydrant, one end, away from the fire hydrant, of the communicating pipe extends towards the outside of the air bag through the air bag opening, an air inlet pipe is arranged at one end, away from the fire hydrant, of the communicating pipe, the air inlet pipe is connected with the communicating pipe through a pipe connector, one end, away from the pipe connector, of the air inlet pipe is connected with an inflator pump, an air outlet pipe is arranged on one side of the bottom of the air bag, one end, away from the, the other end of aspiration pump is equipped with the blast pipe, be equipped with first control valve on the aspiration pump, the sack with connect through the ribbon between the communicating pipe, a top lateral wall of water tank is equipped with the outlet pipe, the outlet pipe with the water tank is linked together, below one side of outlet pipe is equipped with collects the box, collect one side of box with the lateral wall fixed connection of water tank.

Furthermore, a placing groove is fixedly formed in the bottom end of the interior of the air bag, and the bottom of the fire hydrant is arranged in the placing groove.

Furthermore, a sealing ring is arranged at the penetrating position of the air outlet pipe and the water tank.

Furthermore, a pressure gauge is arranged on the communicating pipe, and a second control valve is arranged on one side of the pressure gauge.

Furthermore, one side of the water outlet pipe is provided with a guide plate, and one end of the guide plate is fixedly connected with the outer side wall of the water tank.

Further, the placing groove is made of a silica gel material.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) firstly, the fire hydrant is placed in the air bag, the air bag opening is tightly bound by a binding belt, the air pump is started to completely pump out the air in the air bag, the first control valve is closed, then water is injected into the fire hydrant through the communicating pipe, after the water is injected, the pipe connector is connected with the air inlet pipe, the air pump is started to charge air into the fire hydrant, the pressure inside the fire hydrant is increased, the pressure in the fire hydrant is continuously increased, if the fire hydrant has the problem of tightness, the air charged into the fire hydrant enters the air bag and swells the air bag, so that the volume inside the air bag is increased, and as the water level in the water tank and the water outlet pipe are positioned at the same level, the water in the water tank overflows from the water outlet pipe to the collecting box, the damage of the fire hydrant can be tested, when the fire hydrant is intact, the air in the fire hydrant cannot enter the air bag, the device has the advantages that the volume of the air bag cannot be changed, so that water in the water tank cannot be extruded out of the water outlet pipe, the integrity of the fire hydrant can be tested, the device is simple in structure and convenient to operate and use, and changes of phenomena can be visually seen, so that the sealing performance of the fire hydrant can be judged;

(2) the standing groove can increase the stability that the fire hydrant was placed, avoids the bottom of fire hydrant to the wearing and tearing that the air pocket caused simultaneously, great increase the security of using.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a hydraulic seal testing device for a fire hydrant according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a water tank in a hydraulic seal testing device of a fire hydrant according to an embodiment of the present invention;

fig. 3 is a cross-sectional view of a hydrant hydraulic seal testing apparatus according to an embodiment of the present invention.

Reference numerals:

1. a support table; 2. placing the plate; 3. a water tank; 4. an air bag; 5. an air bag opening; 6. a fire hydrant; 7. a communicating pipe; 8. an air inlet pipe; 9. a pipe connector; 10. an inflator pump; 11. an air outlet pipe; 12. an air pump; 13. a first control valve; 14. binding a belt; 15. a water outlet pipe; 16. a collection box; 17. a placement groove; 18. a pressure gauge; 19. a second control valve; 20. a seal ring; 21. a baffle.

Detailed Description

The following, with reference to the drawings and the detailed description, further description of the present invention is made:

the first embodiment is as follows:

referring to fig. 1-3, a fire hydrant hydraulic sealing test device according to an embodiment of the present invention includes a supporting table 1, a placing plate 2 is fixedly disposed on one side of the supporting table 1, a water tank 3 is disposed on one side of the placing plate 2 away from the supporting table 1, an air bag 4 is disposed inside the water tank 3, an air bag opening 5 is disposed at one end of the air bag 4, a fire hydrant 6 is disposed inside the air bag 4, a communicating pipe 7 is disposed at a top of the fire hydrant 6, one end of the communicating pipe 7 away from the fire hydrant 6 extends to an outside of the air bag 4 through the air bag opening 5, an air inlet pipe 8 is disposed at one end of the communicating pipe 7 away from the fire hydrant 6, the air inlet pipe 8 is connected with the communicating pipe 7 through a pipe joint 9, one end of the air inlet pipe 8 away from the pipe joint 9 is connected with an inflator 10, an air outlet pipe 11 is disposed on, one end, far away from the air bag 4, of the air outlet pipe 11 penetrates through the water tank 3 and extends towards the outside of the water tank 3 to be connected with an air pump 12, the other end of the air pump 12 is provided with an exhaust pipe, the air pump 12 is provided with a first control valve 13, the air bag opening 5 is connected with the communicating pipe 7 through a binding belt 14, one side wall of the top of the water tank 3 is provided with a water outlet pipe 15, the water outlet pipe 15 is communicated with the water tank 3, one side below the water outlet pipe 15 is provided with a collecting box 16, one side of the collecting box 16 is fixedly connected with the outer side wall of the water tank 3, firstly, the fire hydrant 6 is placed in the air bag 4, the air bag opening 5 is tightly bound with the binding belt 14, the air pump 12 is started to completely extract air in the air bag 4 and close the first control valve 13, then the fire hydrant 6 is injected with water through the communicating pipe 7, and after the water, and the inflator pump 10 is started to charge gas into the fire hydrant 6, so that the pressure inside the fire hydrant 6 is increased, and the pressure in the fire hydrant 6 is continuously increased, if the fire hydrant 6 has a tightness problem, the gas charged into the fire hydrant 6 enters the air bag 4 and swells the air bag 4, so that the volume inside the air bag 4 is increased, and because the water level in the water tank 3 and the water outlet pipe 15 are in the same level, the volume of the air bag 4 is increased, so that the water in the water tank 3 is extruded to the collecting box 16 from the water outlet pipe 15, the damage of the fire hydrant 6 can be tested, when the fire hydrant 6 is intact, the gas in the fire hydrant 6 cannot enter the air bag 4, the volume of the air bag 4 cannot be changed, so that the water in the water tank 3 cannot be extruded from the water outlet pipe 15, the integrity of the fire hydrant 6 can be tested, and the device has a simple structure, the fire hydrant is convenient to operate and use, and the change of the phenomenon can be visually seen, so that the sealing performance of the fire hydrant is judged.

Example two:

referring to fig. 1-3, for the air bag 4, a placing groove 17 is fixedly arranged at the bottom end inside the air bag 4, the bottom of the fire hydrant 6 is arranged inside the placing groove 17, and the placing groove 17 can increase the placing stability of the fire hydrant 6, and meanwhile, the bottom of the fire hydrant 6 is prevented from wearing the air bag 4, so that the use safety is greatly increased; for the air outlet pipe 11, a sealing ring 20 is arranged at the penetrating part of the air outlet pipe 11 and the water tank 3, and the penetrating part between the air outlet pipe 11 and the water tank 3 is connected through the sealing ring 20, so that the connection tightness between the water tank 3 and the air outlet pipe 11 can be increased, and the water in the water tank 3 is prevented from overflowing; for the communication pipe 7, a pressure gauge 18 is arranged on the communication pipe 7, a second control valve 19 is arranged on one side of the pressure gauge 18, the pressure gauge 18 can detect the pressure charged into the fire hydrant 6, and meanwhile, the second control valve 19 can control the air pressure flow on the communication pipe 7; for the water outlet pipe 15, a guide plate 21 is arranged on one side of the water outlet pipe 15, one end of the guide plate 21 is fixedly connected with the outer side wall of the water tank 3, the guide plate 21 can guide water overflowing from the water outlet pipe 15 to the collecting box 16, and the overflowing water is prevented from dropping on the placing plate 2; to the standing groove 17, the standing groove 17 is made by the silica gel material, and the standing groove 17 is made for the silica gel material and can avoid the air pocket 4 to cause wearing and tearing, great increase the security of placing.

To sum up, with the aid of the above technical scheme of the utility model, for the convenient understanding the above technical scheme of the utility model, just below the utility model discloses theory of operation or the mode of operation at the actual process carry out the detailed description:

in practical application, firstly opening the air bag mouth 5, then placing the fire hydrant 6 in the air bag 4, binding the air bag mouth 5 tightly with the binding belt 14 again, then starting the air pump 12, pumping the air in the air bag 4 through the air outlet pipe 11 and tightly attaching the air bag 4 to the fire hydrant 6, after the air in the air bag 4 is pumped out, closing the first control valve 13 on the air outlet pipe 11, then connecting one end of the communicating pipe 7 with the water pump, pumping the water into the fire hydrant 6 to enable the water to enter the fire hydrant 6, then disconnecting the connection between the pipe connector 9 and the water pump, then connecting the pipe connector 9 with the air inlet pipe 8, starting the air pump 10, filling the air into the fire hydrant 6 to increase the pressure inside the fire hydrant 6, and the pressure in the fire hydrant 6 is continuously increased, if the fire hydrant 6 has a tightness problem, the air filled into the fire hydrant 6 will enter the air bag 4, and swell air pocket 4, make the inside volume grow of air pocket 4, because be in same horizontal plane between the horizontal plane of water tank 3 water and outlet pipe 15, thereby the volume grow of air pocket 4 will extrude 3 water of water tank and spill over collection box 16 from outlet pipe 15, thereby can test out the damage of fire hydrant 6, when fire hydrant 6 is intact, gas in the fire hydrant 6 can not enter into air pocket 4, the volume of air pocket 4 can not change, thereby can not extrude the water in the water tank 3 from outlet pipe 15, thereby can test out the integrity of fire hydrant 6, the device simple structure, facilitate the operation and use, can the audio-visual change of seeing out the phenomenon, thereby judge the leakproofness of fire hydrant.

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 fire hydrant hydraulic sealing test device is characterized by comprising a supporting table (1), wherein a placing plate (2) is fixedly arranged on one side of the supporting table (1), a water tank (3) is arranged on one side, away from the supporting table (1), of the placing plate (2), an air bag (4) is arranged inside the water tank (3), an air bag opening (5) is arranged at one end of the air bag (4), a fire hydrant (6) is arranged inside the air bag (4), a communicating pipe (7) is arranged at the top of the fire hydrant (6), one end, away from the fire hydrant (6), of the communicating pipe (7) extends to the outside of the air bag (4) through the air bag opening (5), an air inlet pipe (8) is arranged at one end, away from the fire hydrant (6), of the air inlet pipe (8) and the communicating pipe (7) are connected through a pipe connector (9), one end of the air inlet pipe (8) far away from the pipe connector (9) is connected with an inflator pump (10), an air outlet pipe (11) is arranged on one side of the bottom of the air bag (4), one end of the air outlet pipe (11) far away from the air bag (4) penetrates through the water tank (3), and extends to the outside of the water tank (3) to be connected with an air suction pump (12), the other end of the air suction pump (12) is provided with an exhaust pipe, the air pump (12) is provided with a first control valve (13), the air bag opening (5) is connected with the communicating pipe (7) through a binding belt (14), a water outlet pipe (15) is arranged on one side wall of the top of the water tank (3), the water outlet pipe (15) is communicated with the water tank (3), one side of the lower part of the water outlet pipe (15) is provided with a collecting box (16), and one side of the collecting box (16) is fixedly connected with the outer side wall of the water tank (3).

2. A fire hydrant hydraulic seal testing apparatus according to claim 1, wherein a placing groove (17) is fixedly provided at the bottom end of the inside of the air bag (4), and the bottom of the fire hydrant (6) is provided inside the placing groove (17).

3. A fire hydrant hydraulic seal testing device according to claim 2, characterized in that a sealing ring (20) is arranged at the penetration of the air outlet pipe (11) and the water tank (3).

4. A fire hydrant hydraulic seal testing device according to claim 3, characterized in that the communicating pipe (7) is provided with a pressure gauge (18), and one side of the pressure gauge (18) is provided with a second control valve (19).

5. A fire hydrant hydraulic seal testing device according to claim 4, characterized in that a deflector (21) is arranged on one side of the water outlet pipe (15), and one end of the deflector (21) is fixedly connected with the outer side wall of the water tank (3).

6. A fire hydrant hydraulic seal testing device according to claim 5, characterized in that the placing groove (17) is made of silica gel.