Redundant system of air supply device

Abstract

The utility model relates to the technical field of gas shielded welding equipment, in particular to a redundant system of a gas supply device. Comprising a protective gas tank, a redundant system protective gas tank, a confluence gas pipe, a control valve, a drainage gas pressure indicating gauge, an exhaust pipe, a mixed water tank, a water changing valve, a discharge valve, a connecting assembly and a detection assembly, and an indicating assembly is arranged on one side of the protective gas tank; compared with a traditional gas supply device redundant system, the gas supply device redundant system has the advantages that shielding gas is provided for welding equipment through a single bottle of shielding gas generally, when the shielding gas is used up and replaced, the situations that welding work is paused, the shielding gas in a pipeline overflows and the like cannot happen inevitably, and when one shielding gas tank is about to be used up, the shielding gas in the pipeline is replaced. And the spare gas tank can be automatically opened for gas supply, and meanwhile, excessive shielding gas in the pipeline after replacement can be diluted and discharged, so that the welding efficiency of welding operation is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas protection welding equipment technical field especially relates to a gas feeding device redundancy system. BACKGROUND

[0002] Gas protection welding technology is a commonly used metal welding method, used to protect molten metal from oxidation and contamination by oxygen and water vapor in the air during the welding process, which usually uses inert gas or active gas to surround the welding area, thus forming a local protective atmosphere, thereby preventing metal oxidation, hydrogen cracking and other contaminants from entering, thereby improving the welding quality and strength.

[0003] The existing gas feeding device redundancy system generally provides protective gas to the welding equipment through a single bottled protective gas, when the protective gas is exhausted and replaced, the welding work will inevitably be suspended, the protective gas in the pipeline will inevitably overflow, and other situations will occur, resulting in reduced welding efficiency, discontinuous welding process, and waste of protective gas.

[0004] In view of the problem that the existing gas feeding device redundancy system will inevitably cause the welding work to be suspended, the protective gas in the pipeline to overflow, and other situations when the protective gas is exhausted and replaced, resulting in reduced welding efficiency, discontinuous welding process, and waste of protective gas, the gas feeding device redundancy system is provided with multiple bottled protective gas tanks in parallel, when one protective gas tank is about to be exhausted, the standby gas tank can be automatically opened for gas supply, at this time, the exhausted gas tank can be replaced without interrupting the protection, and at the same time, the excess protective gas in the pipeline after replacement can be diluted and discharged, effectively increasing the welding efficiency of the welding operation. SUMMARY

[0005] In order to overcome the problem that the existing gas feeding device redundancy system generally provides protective gas to the welding equipment through a single bottled protective gas, when the protective gas is exhausted and replaced, the welding work will inevitably be suspended, the protective gas in the pipeline will inevitably overflow, and other situations will occur, resulting in reduced welding efficiency, discontinuous welding process, and waste of protective gas.

[0006] The utility model discloses a technical scheme for a gas feeding device redundancy system, which comprises a protective gas tank, a redundancy system protective gas tank, an indicating assembly, a valve assembly, a limiting assembly, a control assembly, a confluence gas pipe, a control valve, a discharge gas pressure indicator, an exhaust pipe, a mixed water tank, a water changing valve, a discharge valve, a connecting assembly and a detection assembly.

[0007] Preferably, the protective gas tank stores welding protective gas, the redundancy system protective gas tank also stores protective gas, the indicating assembly displays the remaining amount of protective gas in the protective gas tank and the redundancy system protective gas tank, the valve assembly controls the opening and closing of the protective gas tank and the redundancy system protective gas tank, the limiting assembly limits the pipeline to prevent winding, the control assembly controls the shunt switch of the pipeline connected to the protective gas tank and the redundancy system protective gas tank, the confluence gas pipe confluences the gas passages, the control valve controls the opening and closing of the confluence gas pipe, the discharge gas pressure indicator detects the gas pressure in the confluence gas pipe to determine whether the gas pressure is overloaded, the exhaust pipe discharges the overloaded protective gas, the mixed water tank mixes and dilutes the discharged protective gas with water, the water changing valve facilitates the replacement of water in the mixed water tank, the discharge valve discharges the diluted gas, the connecting assembly facilitates the connection of the system to a welding device, and the detection assembly detects whether there is sufficient protective gas in the connecting assembly.

[0008] Preferably, the indicating assembly comprises a mounting table and a gas remaining amount indicator, and the protective gas tank and the redundancy system protective gas tank each have a mounting table on one side, and the mounting table has a gas remaining amount indicator on one side.

[0009] Preferably, the valve assembly comprises a mounting base and a rotating valve, and the protective gas tank and the redundancy system protective gas tank each have a mounting base on the top end, and the mounting base has a rotating valve on the top surface.

[0010] As preferred, the limiting assembly comprises the gas supply pipeline, the limiting support and the protection ring, one side of the mounting base is provided with the gas supply pipeline, the outer side of the gas supply pipeline is provided with the limiting support, and the inside of the limiting support is provided with the protection ring.

[0011] As preferred, the control assembly comprises the two-position two-way electromagnetic valve and the pipeline switch indicator, one end of the gas supply pipeline is provided with the two-position two-way electromagnetic valve, and the top surface of the two-position two-way electromagnetic valve is provided with the pipeline switch indicator.

[0012] As preferred, the connecting assembly comprises the conveying pipeline and the connecting flange, the bottom end of the two-position two-way electromagnetic valve is provided with the conveying pipeline, and one end of the conveying pipeline is provided with the connecting flange.

[0013] As preferred, the detection assembly comprises the mounting support and the gas pressure switch, the outer side of the conveying pipeline is sleeved with the mounting support, and the top surface of the mounting support is provided with the gas pressure switch.

[0014] The utility model discloses beneficial effects:

[0015] Through the confluence gas pipe to the gas passage carries out the confluence, through the control valve and controls the switch of confluence gas pipe, through the drainage gas pressure indicator and detects the gas pressure in the confluence gas pipe, detects whether the gas pressure is overloaded, through the exhaust pipe and discharges the protection gas of overload, through the mixed water tank and dilutes the discharged protection gas with water, through the water valve and replace the water in the mixed water tank conveniently, through the discharge valve and discharges the gas after dilution. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The utility model discloses a kind of redundancy system first three-dimensional structure schematic diagram of gas feeding device, as shown in the figure:

[0017] Figure 2 The utility model discloses a kind of redundancy system second three-dimensional structure schematic diagram of gas feeding device, as shown in the figure:

[0018] Figure 3 The utility model discloses a kind of redundancy system bottom surface three-dimensional structure schematic diagram of gas feeding device, as shown in the figure:

[0019] Figure 4 The utility model discloses a kind of redundancy system local three-dimensional structure schematic diagram of gas feeding device, as shown in the figure:

[0020] Explanation of reference signs: 1, protective gas tank; 2, redundant system protective gas tank; 301, mounting table; 302, gas remaining amount indicator light; 401, mounting base; 402, rotating valve; 501, gas supply pipeline; 502, limiting support; 503, protective ring; 601, two-position two-way electromagnetic valve; 602, pipeline switch indicator light; 701, combined gas pipe; 702, control valve; 703, exhaust gas pressure indicator; 704, exhaust pipe; 705, mixed water tank; 706, water changing valve; 707, discharge valve; 801, conveying pipeline; 802, connecting flange; 901, mounting support; 902, gas pressure switch. DETAILED DESCRIPTION

[0021] The utility model is further explained below in combination with the drawings and examples.

[0022] Please refer to Figures 1-4 The utility model provides a kind of example: a kind of gas feeding device redundant system, including protective gas tank 1, redundant system protective gas tank 2, indicating component, valve component, limiting component, control component, combined gas pipe 701, control valve 702, exhaust gas pressure indicator 703, exhaust pipe 704, mixed water tank 705, water changing valve 706, discharge valve 707, connecting component and detection component, one side of protective gas tank 1 is provided with indicating component, the top of protective gas tank 1 is provided with valve component, one side of protective gas tank 1 is provided with redundant system protective gas tank 2, one side and top of redundant system protective gas tank 2 are also provided with indicating component and valve component, one side of valve component is provided with limiting component, the lower of limiting component is provided with control component, the bottom of control component is provided with combined gas pipe 701, the bottom surface of combined gas pipe 701 is provided with control valve 702, the top of control valve 702 is provided with exhaust gas pressure indicator 703, one side of control valve 702 is provided with exhaust pipe 704, one end of exhaust pipe 704 is provided with mixed water tank 705, the bottom surface of mixed water tank 705 is provided with water changing valve 706, the top surface of mixed water tank 705 is provided with discharge valve 707, the other side of control valve 702 is provided with connecting component, the outside of connecting component is provided with detection component.

[0023] Please refer to Figures 1-4 In the embodiment, indicating component includes mounting table 301 and gas remaining amount indicator light 302, one side of protective gas tank 1 and redundant system protective gas tank 2 is provided with mounting table 301, one side of mounting table 301 is provided with gas remaining amount indicator light 302, in use, gas remaining amount indicator light 302 is installed by mounting table 301, the remaining amount of protective gas in protective gas tank 1 and redundant system protective gas tank 2 is shown by gas remaining amount indicator light 302.

[0024] As preferred, the valve assembly comprises the mounting base 401 and the rotary valve 402, the top of the protective gas cylinder 1 and the redundant system protective gas cylinder 2 is provided with the mounting base 401, the top surface of the mounting base 401 is provided with the rotary valve 402, in use, the rotary valve 402 is installed through the mounting base 401, and the opening and closing of the protective gas cylinder 1 and the redundant system protective gas cylinder 2 is controlled through the rotary valve 402.

[0025] As preferred, the limiting assembly comprises the gas supply pipeline 501, the limiting support 502 and the protective ring 503, one side of the mounting base 401 is provided with the gas supply pipeline 501, the outer side of the gas supply pipeline 501 is provided with the limiting support 502, and the inside of the limiting support 502 is provided with the protective ring 503, in use, the protective gas is transmitted through the gas supply pipeline 501, the gas supply pipeline 501 is limited through the limiting support 502, and the outer side of the gas supply pipeline 501 is protected through the protective ring 503.

[0026] As preferred, the control assembly comprises the two-position two-way electromagnetic valve 601 and the pipeline switch indicator lamp 602, one end of the gas supply pipeline 501 is provided with the two-position two-way electromagnetic valve 601, and the top surface of the two-position two-way electromagnetic valve 601 is provided with the pipeline switch indicator lamp 602, in use, the opening and closing of the gas supply pipeline 501 is controlled through the two-position two-way electromagnetic valve 601, and the specific gas supply pipeline 501 treatment through-flow state is displayed through the pipeline switch indicator lamp 602.

[0027] As preferred, the connecting assembly comprises the conveying pipeline 801 and the connecting flange 802, the bottom end of the two-position two-way electromagnetic valve 601 is provided with the conveying pipeline 801, and one end of the conveying pipeline 801 is provided with the connecting flange 802, in use, the protective gas is provided for the welding equipment through the conveying pipeline 801, and the conveying pipeline 801 is connected with the welding equipment through the connecting flange 802.

[0028] As preferred, the detection assembly comprises the mounting support 901 and the gas pressure switch 902, the outer side of the conveying pipeline 801 is sleeved with the mounting support 901, and the top surface of the mounting support 901 is provided with the gas pressure switch 902, in use, the gas pressure switch 902 is installed through the mounting support 901, and whether there is sufficient protective gas in the conveying pipeline 801 is displayed through the gas pressure switch 902.

[0029] In the process of working, the gas remaining amount indicator 302 is installed by the installation table 301, the remaining amount of the protective gas in the protective gas cylinder 1 and the redundant system protective gas cylinder 2 is displayed by the gas remaining amount indicator 302, the rotary valve 402 is installed by the installation base 401, the opening and closing of the protective gas cylinder 1 and the redundant system protective gas cylinder 2 are controlled by the rotary valve 402, the protective gas is transmitted by the gas supply pipeline 501, the gas supply pipeline 501 is limited by the limiting support 502, and the outside of the gas supply pipeline 501 is protected by the protective ring 503.

[0030] Meanwhile, the opening and closing of the gas supply pipeline 501 are controlled by the two-position two-way electromagnetic valve 601, the specific gas supply pipeline 501 treatment through state is displayed by the pipeline switch indicator 602, the protective gas is provided to the welding equipment by the conveying pipeline 801, the conveying pipeline 801 is connected with the welding equipment by the connecting flange 802, the gas pressure switch 902 is installed by the installation support 901, and whether there is sufficient protective gas in the conveying pipeline 801 is displayed by the gas pressure switch 902.

[0031] After the gas cylinder is replaced, the gas channels are combined by the combined flow gas pipe 701, the opening and closing of the combined flow gas pipe 701 are controlled by the control valve 702, the gas pressure in the combined flow gas pipe 701 is detected by the exhaust gas pressure indicator 703, whether the gas pressure is overloaded is detected, the overloaded protective gas is discharged by the exhaust pipe 704, the discharged protective gas is mixed with water to be diluted by the mixed water tank 705, the water in the mixed water tank 705 is replaced by the water valve 706, and the diluted gas is discharged by the discharge valve 707.

[0032] Through the above steps, the welding protective gas is stored by the protective gas cylinder 1, the protective gas is also stored by the redundant system protective gas cylinder 2, the remaining amount of the protective gas in the protective gas cylinder 1 and the redundant system protective gas cylinder 2 is displayed by the indication assembly, the opening and closing of the protective gas cylinder 1 and the redundant system protective gas cylinder 2 are controlled by the valve assembly, the pipeline is limited by the limiting assembly to prevent winding, the branch switch of the pipeline connected with the protective gas cylinder 1 and the redundant system protective gas cylinder 2 is controlled by the control assembly, the system is connected with the welding device by the connecting assembly, and whether there is sufficient protective gas in the connecting assembly is detected by the detection assembly.

[0033] The embodiments of the utility model are described in detail in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by the person skilled in the art without departing from the purpose of the utility model.

Claims

1. A gas feeding device redundancy system comprising a protective gas tank (1) and a redundancy system protective gas tank (2), characterized in that: The utility model also includes indicating assembly, valve assembly, limiting assembly, control assembly, confluent air pipe (701), control valve (702), exhaust air pressure indicating meter (703), exhaust pipe (704), mixed water tank (705), water changing valve (706), discharge valve (707), connecting assembly and detecting assembly, one side of the protective gas tank (1) is provided with indicating assembly, the top of the protective gas tank (1) is provided with valve assembly, one side of the protective gas tank (1) is provided with redundant system protective gas tank (2), one side and the top of the redundant system protective gas tank (2) are also provided with indicating assembly and valve assembly, one side of valve assembly is provided with limiting assembly, the lower of limiting assembly is provided with control assembly, the bottom of control assembly is provided with confluent air pipe (701), the bottom of confluent air pipe (701) is provided with control valve (702), the top of control valve (702) is provided with exhaust air pressure indicating meter (703), one side of control valve (702) is provided with exhaust pipe (704), one end of exhaust pipe (704) is provided with mixed water tank (705), the bottom of mixed water tank (705) is provided with water changing valve (706), the top of mixed water tank (705) is provided with discharge valve (707), the other side of control valve (702) is provided with connecting assembly, the outside of connecting assembly is provided with detecting assembly.

2. A gas supply device redundancy system according to claim 1, wherein: The indicating assembly includes a mounting table (301) and a gas remaining amount indicating lamp (302), one side of the protective gas tank (1) and the redundant system protective gas tank (2) is provided with the mounting table (301), one side of the mounting table (301) is provided with the gas remaining amount indicating lamp (302).

3. A gas delivery device redundancy system according to claim 1, wherein: The valve assembly includes a mounting base (401) and a rotating valve (402), the top of the protective gas tank (1) and the redundant system protective gas tank (2) is provided with the mounting base (401), the top of the mounting base (401) is provided with the rotating valve (402).

4. A gas delivery device redundancy system according to claim 3, wherein: The limiting assembly includes a gas supply pipeline (501), a limiting support (502) and a protection ring (503), one side of the mounting base (401) is provided with the gas supply pipeline (501), the outside of the gas supply pipeline (501) is provided with the limiting support (502), the inside of the limiting support (502) is provided with the protection ring (503).

5. A gas supply device redundancy system according to claim 4, wherein: The control assembly includes a two-position two-way electromagnetic valve (601) and a pipeline switch indicating lamp (602), one end of the gas supply pipeline (501) is provided with the two-position two-way electromagnetic valve (601), the top of the two-position two-way electromagnetic valve (601) is provided with the pipeline switch indicating lamp (602).

6. A gas delivery device redundancy system according to claim 5, wherein: The connecting assembly includes a conveying pipeline (801) and a connecting flange (802), the bottom of the two-position two-way electromagnetic valve (601) is provided with the conveying pipeline (801), one end of the conveying pipeline (801) is provided with the connecting flange (802).

7. A gas delivery device redundancy system according to claim 6, wherein: The detecting assembly includes a mounting support (901) and a gas pressure switch (902), the outside of the conveying pipeline (801) is sleeved with the mounting support (901), the top of the mounting support (901) is provided with the gas pressure switch (902).

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