CN216207327U - Pressure testing machine for gas storage tank - Google Patents

Abstract

The utility model relates to the field of pressure testing machines, in particular to a pressure testing machine for an air storage tank. Take out, the fixture tooling is used to fix the air storage tank and inflate and maintain the pressure of the gas storage tank; the fixture tooling is connected to the lifting component, and the lifting component controls the lifting of the fixture tooling; the lifting component is fixedly installed on the bracket, and the bracket is located on the side of the water tank; the bracket There is also an electrical control assembly on it, and the electrical control assembly controls the action of the fixture tooling and the lifting component; the fixture tooling includes a rear plug, a left plug, a right plug, a first upper plug and a second upper plug; the above The plug is used to block the hole on the air storage tank, and an air inlet pipe is arranged in the second upper plug head, and the air storage tank is inflated through the air inlet pipe. The advantage of this patent is that the air storage tank is put into water, and the inside of the air storage tank is pressurized to observe the sealing performance of the air storage tank.

Description

A gas storage tank pressure tester

technical field

The utility model relates to the field of pressure testing machines, in particular to a pressure testing machine for an air storage tank.

Background technique

The tank body of the gas storage tank is usually welded with multiple interfaces, so the air tightness of the gas storage tank needs to be tested before the gas storage tank is put into the market for formal use. The conventional practice is to manually block both ends of the gas storage tank, pump gas into the gas storage tank, and observe the reading changes of the air pressure gauge on the gas storage tank, so as to judge the air tightness and pressure resistance of the gas storage tank. Since the process of manual plugging and pressure testing is cumbersome, the detection efficiency is low.

Utility model content

In order to solve the above-mentioned problems, the purpose of this utility model is to provide a pressure tester for an air storage tank, which can block the hole of the air storage tank and put it into water, and apply pressure to the inside of the air storage tank to observe the air storage tank. The sealing performance is excellent, the experimental effect is intuitive, and it is easy to find the leakage point of the gas tank.

For the purpose of the utility model, the following technical solutions are adopted to implement:

A pressure testing machine for an air storage tank, comprising a water tank, a fixture tool, a lifting component, a bracket and an electrical control component; an opening is arranged on the upper part of the water tank, the fixture tool is located inside the water tank and can be taken out from the opening, and the fixture tool is used to fix the air tank and Inflate and maintain the pressure of the air tank; the fixture tooling is connected to the lifting component, and the lifting component controls the lifting and lowering of the fixture tooling; the lifting component is fixedly installed on the bracket, and the bracket is located on the side of the water tank; the bracket is also provided with an electrical control component, an electrical control component Control the action of fixture tooling and lifting components;

Fixture tooling includes fixture base plate, left foot, right foot, rear positioning rod, rear plug, left plug, right plug, upper mounting bracket, first upper plug and second upper plug ;The bottom of the fixture is arranged horizontally, and the middle of the upper end face of the bottom of the fixture is provided with a left foot and a right foot, the left foot is used to support the left side of the gas tank; the right foot is used to support the right side of the gas tank; the bottom of the fixture is used to support the right side of the gas tank; The rear side of the upper end face is provided with a laterally arranged rear side positioning rod, and the rear side positioning rod is used to position the tank body of the gas storage tank from the rear side; The head is inclined upward, and the rear plug is used to block the rear observation hole of the gas tank; the left and right ends of the fixture bottom plate are respectively provided with opposite left and right plugs, and the left and right plugs are respectively set. The heads are respectively used to fix the left end and right end of the gas storage tank; the upper mounting bracket is located above the bottom plate of the fixture, and the upper mounting bracket is provided with a first upper plug and a second upper plug facing downwards. , the first upper plug is used to block the top observation hole of the gas storage tank; the second upper plug is used to block the air intake hole on the upper part of the gas storage tank; The tube inflates the air tank.

Preferably, the rear plug, the left plug, the right plug, the first upper plug and the second upper plug are all driven by air cylinders, and the rear plug, left plug, right plug The ends of the plug, the first upper plug and the second upper plug are all provided with rubber pads.

Preferably, there are at least two rear positioning rods, and the heights are the same; the rear positioning rods are connected to the jig bottom plate through the rear bracket.

Preferably, the left plug and the right plug are respectively fixed and installed on the fixture base plate through the left bracket and the right bracket.

Preferably, the upper mounting frame includes a counterweight rod, a counterweight block and a tension screw, and two vertical counterweight rods are respectively fixed at the left and right ends of the upper end surface of the fixture base plate, and the tops of the two counterweight rods on the same side are fixed A counterweight block is arranged, and the left and right counterweight blocks are connected by a tension screw; an installation plate is arranged on the tension screw, and the first upper plug and the second upper plug are arranged on the installation plate through the cylinder.

Preferably, the left and right sides of the bottom plate of the fixture are respectively provided with a left baffle and a right baffle, a left shaft is arranged on the left baffle, and a right shaft is arranged on the right baffle; The left shaft and the right shaft are arranged in the chute through the bearing, and both the left shaft and the right shaft are connected with the output end of the lifting assembly.

Preferably, the lifting assembly adopts an air cylinder, and a protective cover is provided on the bracket at the outer side of the lifting assembly.

Preferably, the lower part of the bracket is arranged on the inner walls of the left and right sides of the water tank.

Preferably, the lower part of the water tank is provided with a drain port, and a water tank plug is detachably provided on the drain port.

Preferably, the electrical control assembly includes a control circuit, a pressure gauge, a contact pressure gauge, an emergency stop button and a manual operation card; the control circuit is used to control the action of the fixture tooling and the lifting assembly; the pressure gauge displays the internal pressure of the gas storage tank; the contact The pressure gauge is used to feed back the signal to the control circuit after the pressure of the air storage tank reaches the set pressure to stop the inflation; the emergency stop button is used for emergency braking of the equipment; the manual operation card is used to switch the equipment to manual mode.

To sum up, the advantage of the utility model is that the hole of the gas storage tank is blocked by a plug and then placed in the water, and pressure is applied to the inside of the gas storage tank to observe the sealing performance of the gas storage tank. The experimental effect is intuitive and easy to find. Leak point of air tank; 10 times more efficient than conventional manual methods.

Description of drawings

Figure 1 Front view of the pressure testing machine.

Figure 2 is a schematic diagram of the structure of the back of the pressure tester.

3 and 4 are schematic views of the structure of the gas storage tank.

FIG. 5 is a schematic diagram of the structure of the water tank and the bracket part.

FIG. 6 is a schematic structural diagram of the fixture tooling and lifting assembly.

FIG. 7 is a schematic structural diagram of a fixture tooling.

FIG. 8 is a schematic structural diagram of an electrical control assembly.

Detailed ways

As shown in FIGS. 1 to 8 , a pressure testing machine for an air storage tank includes a water tank 1 , a fixture tool 2 , a lifting assembly 3 , a bracket 4 and an electrical control assembly 5 . The upper part of the water tank 1 is provided with an opening 11 . The fixture tooling 2 is located inside the water tank 1 and can be taken out from the opening 11 . A lifting assembly 3 is connected to the fixture tool 2 , and the lifting component 3 controls the lifting and lowering of the fixture tool 2 . The lifting assembly 3 is fixedly installed on the bracket 4, the brackets 4 are located on both sides of the water tank 1, and the electric control assembly 5 is arranged on the bracket 4, and the electric control assembly 5 controls the action of the fixture tooling 2 and the lifting assembly 3.

As shown in FIGS. 3 and 4 , the tank body of the gas storage tank 6 is cylindrical and horizontally arranged, the bottom of the tank body is provided with a right wheel bracket 61 and a left foot bracket 62 , and the top of the tank body is provided with a top observation hole 63 In addition to the air inlet hole 64, a rear side observation hole 65 is provided in the lower part of the rear side of the tank body.

As shown in FIGS. 2 and 5 , the lower part of the water tank 1 is provided with a water outlet 12 , and a water tank plug 13 is detachably arranged on the water outlet 12 to facilitate the discharge of the water in the water tank 1 .

As shown in FIGS. 6 and 7 , the fixture tooling 2 includes a fixture base plate 21 , a left foot 22 , a right foot 23 , a rear positioning rod 24 , a rear plug 25 , a left plug 26 , and a right plug 27. The upper mounting bracket 28, the first upper plug 29 and the second upper plug 210. The jig base plate 21 is arranged horizontally, and the jig base plate 21 is provided with a plurality of hollows in order to reduce the weight of the jig base plate 21 . The middle of the upper end surface of the jig bottom plate 21 is provided with a left foot 22 and a right foot 23, and the left foot 22 is used to support the tank body on the left side of the gas storage tank. The right foot 23 is used to support the right wheel bracket 61 of the air tank 6 . The rear side of the upper end surface of the jig bottom plate 21 is provided with a rear side positioning rod 24 arranged laterally, and the rear side positioning rod 24 is used for positioning the tank body of the gas storage tank from the rear side. The rear side of the upper end surface of the fixture base plate 21 is provided with a rear side plug 25, the rear side plug 25 is inclined upward, and the rear side plug 25 is used to block the rear side observation hole 65 of the gas tank. The left end and the right end of the fixture base plate 21 are respectively provided with opposite left plugs 26 and right plugs 27, and the left plugs 26 and the right plugs 27 are respectively used to fix the left end and the right side of the gas tank. At the end, if the left and right ends of the gas storage tank 6 are provided with connection holes, the left plug 26 and the right plug 27 are used to block the connection holes. The upper mounting bracket 28 is located above the jig bottom plate 21. The upper mounting bracket 28 is provided with a first upper plug 29 and a second upper plug 210 facing downward. The first upper plug 29 is used to block the gas storage tank. The top viewing hole 63. The second upper plug 210 is used to block the air inlet hole 64 at the upper part of the gas storage tank. The second upper plug 210 is also provided with an inflation tube 2101 , and the gas storage tank 6 is inflated through the inflation tube 2101 .

The rear plug 25 , the left plug 26 , the right plug 27 , the first upper plug 29 and the second upper plug 210 are all driven by the air cylinder, which is convenient to control the actions of the above plugs. The ends of the rear plug 25 , the left plug 26 , the right plug 27 , the first upper plug 29 and the second upper plug 210 are all provided with rubber pads to improve the sealing performance of the seal.

There are at least two rear positioning rods 24 with the same height. The rear positioning rod 24 is connected to the jig bottom plate 21 through the rear bracket 241 to facilitate the positioning of the air tank during installation.

The left plug 26 and the right plug 27 are fixedly installed on the fixture base plate 21 through the left bracket 261 and the right bracket 271 respectively.

As shown in FIG. 7 , the upper mounting frame 28 includes a counterweight rod 281, a counterweight block 282 and a tension screw 283. Two vertical counterweight rods 281 are respectively fixed on the left and right ends of the upper end surface of the fixture base plate 21, on the same side. The top of the two counterweight bars 281 is fixedly provided with a counterweight block 282 , and the left and right counterweight blocks 282 are connected by a tension screw 283 . A mounting plate 284 is provided on the tension screw 283, and the first upper plug 29 and the second upper plug 210 are arranged on the mounting plate 284 through the cylinder, so as to facilitate the position of the air inlet hole and the observation hole of the gas storage tank according to different models, Adjust the positions of the first upper plug 29 and the second upper plug 210 in time.

As shown in FIGS. 5 , 6 and 7 , the left and right sides of the fixture base plate 21 are respectively provided with a left baffle 211 and a right baffle 212 , a left shaft 213 is arranged on the left baffle 211 , and a right baffle A right axis 214 is provided on 212 . The bracket 4 is provided with a chute 41 , the left shaft 213 and the right shaft 214 are arranged in the chute 41 through bearings, and both the left shaft 213 and the right shaft 214 are connected to the output end of the lifting assembly 3 . The lifting assembly 3 adopts an air cylinder, and a protective cover 42 is provided on the bracket 4 at the outer side of the lifting assembly 3 . The lower part of the bracket 4 is arranged on the inner walls of the left and right sides of the water tank 1 . The above-mentioned structure of the chute 41 is beneficial to ensure the stability of the jig tooling 2 in the lifting type.

As shown in FIG. 8 , the electrical control assembly 5 includes a control circuit, a pressure gauge 51, an electric shock pressure gauge 52 and an emergency stop button 53; the control circuit is used to control the action of the fixture tooling 2 and the lifting assembly 3; the pressure gauge 51 displays the inside of the gas tank Pressure; the electric touch pressure gauge 52 is used to feed back the signal to the control circuit after the pressure of the gas storage tank reaches the set pressure to stop the inflation. The emergency stop button 53 is used for emergency braking of the equipment; the manual operation card switch 54 is used for the equipment to switch to the manual mode.

When the equipment is working, first put the air tank 6 on the fixture tooling 2. When placed, the right wheel bracket 61 of the air tank 6 is aligned with the right foot 23, and the left foot 22 is supported on the left side of the left foot bracket 62. The bottom of the tank on the side, the rear of the gas tank 6 is positioned by two rear positioning rods 24, and then the cylinder drives the rear plug 25, the left plug 26, the right plug 27, and the first upper plug. 29 and the second upper plug 210 are moved to clamp the left and right ends of the gas tank 6 (if there are connecting holes on the left and right sides, the connecting holes are sealed), and the top observation hole 63, the air inlet hole 64 and the rear The side viewing holes 65 are blocked. Afterwards, the lifting assembly 3 drives the fixture tool 2 to move downward, and completely immerses the air storage tank 6 in the water of the water tank 1 . The gas storage tank 6 is inflated through the air intake pipe 2101 until the internal pressure of the gas storage tank 6 reaches the set value (for example, 1.2 MPa), at which time the pressure gauge 52 is actuated to stop the inflating action, and the gas storage tank 6 is activated. Holding pressure, the holding pressure time was set to 8 seconds. In the process of maintaining pressure, observe whether there are air bubbles on the gas storage tank 6 . If no bubbles are generated, it means that the quality of the air storage tank 6 is qualified, the lifting assembly 3 drives the fixture tooling 2 to move upward, moves the air storage tank above the water surface, and removes the above-mentioned plug for pressure relief. If bubbles are generated, observe and record the position where the bubbles are generated, press the manual operation latch 54, manually move the fixture tool 2 upwards, remove the above-mentioned plug, release the pressure, and repair the above-mentioned position where the bubbles are generated.

The advantage of this equipment is that the hole of the gas storage tank is blocked by a plug and then placed in the water, and pressure is applied to the inside of the gas storage tank to observe the sealing performance of the gas storage tank. The experimental effect is intuitive and it is easy to find the leakage point of the gas storage tank. .

Claims (10)

1. A pressure test machine for a gas storage tank is characterized by comprising a water tank (1), a clamp tool (2), a lifting assembly (3), a support (4) and an electrical control assembly (5); an opening (11) is formed in the upper portion of the water tank (1), the clamp tool (2) is located inside the water tank (1) and can be taken out of the opening (11), and the clamp tool (2) is used for fixing the air storage tank and inflating and maintaining the pressure of the air storage tank; the fixture tool (2) is connected with a lifting assembly (3), and the lifting assembly (3) controls the fixture tool (2) to lift; the lifting component (3) is fixedly arranged on the bracket (4), and the bracket (4) is positioned on the side surface of the water tank (1); the bracket (4) is also provided with an electric control assembly (5), and the electric control assembly (5) controls the clamp tool (2) and the lifting assembly (3) to act;

the fixture tool (2) comprises a fixture bottom plate (21), a left pad (22), a right pad (23), a rear positioning rod (24), a rear plug (25), a left plug (26), a right plug (27), an upper mounting frame (28), a first upper plug (29) and a second upper plug (210); the jig base plate (21) is transversely arranged, a left pad foot (22) and a right pad foot (23) are arranged in the middle of the upper end face of the jig base plate (21), and the left pad foot (22) is used for supporting the left side of the air storage tank; the right foot pad (23) is used for supporting the right side of the air storage tank; a rear side positioning rod (24) which is transversely arranged is arranged on the rear side of the upper end surface of the jig base plate (21), and the rear side positioning rod (24) is used for positioning the tank body of the air storage tank from the rear side; a rear side plug (25) is arranged on the rear side of the upper end surface of the jig base plate (21), the rear side plug (25) inclines upwards, and the rear side plug (25) is used for plugging a rear side observation hole of the air storage tank; the left end and the right end of the jig base plate (21) are respectively provided with a left side plug (26) and a right side plug (27) which are opposite, and the left side plug (26) and the right side plug (27) are respectively used for fixing the left end part and the right end part of the gas storage tank; the upper mounting frame (28) is positioned above the jig base plate (21), a first upper plug (29) and a second upper plug (210) which face downwards are arranged on the upper mounting frame (28), and the first upper plug (29) is used for plugging a top observation hole of the gas storage tank; the second upper plug (210) is used for plugging an air inlet on the upper part of the air storage tank; an inflation tube (2101) is further connected in the second upper plug (210), and the air storage tank is inflated through the inflation tube (2101).

2. The air storage tank pressure test machine according to claim 1, wherein the rear side plug (25), the left side plug (26), the right side plug (27), the first upper plug (29) and the second upper plug (210) are all driven by an air cylinder, and rubber pads are arranged at the end parts of the rear side plug (25), the left side plug (26), the right side plug (27), the first upper plug (29) and the second upper plug (210).

3. The air storage tank pressure testing machine according to claim 1, characterized in that the rear side positioning rods (24) are at least two and have the same height; the rear positioning rod (24) is connected to the jig base plate (21) through a rear bracket (241).

4. The air storage tank pressure testing machine according to claim 1, wherein the left plug (26) and the right plug (27) are respectively and fixedly installed on the jig base plate (21) through a left bracket (261) and a right bracket (271).

5. The air storage tank pressure testing machine according to claim 1, wherein the upper mounting frame (28) comprises two weight rods (281), two weight blocks (282) and a tension screw (283), the left end and the right end of the upper end surface of the jig base plate (21) are respectively fixedly provided with the two vertical weight rods (281), the top parts of the two weight rods (281) on the same side are fixedly provided with the weight blocks (282), and the left weight block and the right weight block (282) are connected through the tension screw (283); the tension screw (283) is provided with an installation plate (284), and the first upper choke plug (29) and the second upper choke plug (210) are arranged on the installation plate (284) through an air cylinder.

6. The pressure testing machine for the air storage tank is characterized in that a left baffle (211) and a right baffle (212) are respectively arranged on the left side and the right side of a jig base plate (21), a left shaft (213) is arranged on the left baffle (211), and a right shaft (214) is arranged on the right baffle (212); the support (4) is provided with a sliding groove (41), the left shaft (213) and the right shaft (214) are arranged in the sliding groove (41) through bearings, and the left shaft (213) and the right shaft (214) are connected with the output end of the lifting component (3).

7. The pressure testing machine for the gas storage tank is characterized in that the lifting component (3) adopts a cylinder, and a protective cover (42) is arranged on the bracket (4) and positioned on the outer side of the lifting component (3).

8. The air storage tank pressure testing machine according to claim 6, characterized in that the lower part of the bracket (4) is arranged on the inner walls of the left and right sides of the water tank (1).

9. The air storage tank pressure testing machine according to claim 1, characterized in that a water outlet (12) is arranged at the lower part of the water tank (1), and a water tank plug (13) is detachably arranged on the water outlet (12).

10. An air storage tank pressure test machine according to claim 1, characterized in that the electrical control assembly (5) comprises a control circuit, a pressure gauge (51), a contact pressure gauge (52), an emergency stop button (53) and a manually operated switch (54); the control circuit is used for controlling the clamp tool (2) and the lifting assembly (3) to act; the pressure gauge (51) displays the internal pressure of the gas storage tank; the contact pressure gauge (52) is used for feeding back a signal to the control circuit to stop inflating after the pressure of the air storage tank reaches a set pressure; an emergency stop button (53) for emergency braking of the apparatus; a manually operated shutter (54) is used for switching the device to manual mode.

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