Seal welding device for building steel structure

Abstract

The utility model discloses a seal welding device for a building steel structure, which relates to the technical field of welding and comprises a base, a welding device, a sealing device and a sealing device. The positioning piece at least comprises two positioning seats which are symmetrically arranged on the top surface of the base, sleeves are mounted on the positioning seats, and a plurality of clamping plates which can slide in the radial direction of the sleeves are arranged on the outer walls of the sleeves; the air pump is installed on the base, the air outlet end of the air pump is connected with a first air bag and a second air bag through an air conveying pipe, the first air bag and the second air bag are embedded in the inner wall of the sleeve at intervals, and a sealed space is formed between the first air bag and the second air bag. And after the welding operation is completed, sealing detection can be immediately carried out, and a special sealing detection device does not need to be used for secondary detection, so that the working process is greatly shortened, the time cost is reduced, and the working efficiency is remarkably improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding technical field, concretely is a kind of sealing welding device of building steel structure. BACKGROUND

[0002] In some special building environment, such as underwater building structure or steel structure exposed to severe weather conditions, sealing welding can effectively prevent moisture, humidity and other intrusions, prolong the service life of steel structure.

[0003] However, the existing welding device has obvious limitations. Most of the current welding devices can only perform welding operation, and cannot perform sealing detection after welding is completed. This results in the need for specialized sealing detection equipment to detect the welded part after the welding work is completed. This method not only increases the work process and time cost, and is low in efficiency, but also may need to disassemble and reinstall the steel structure during the detection process, further increasing the complexity of operation and the consumption of manpower and material resources, affecting the overall quality of sealing welding.

[0004] Therefore, the present application is proposed. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a sealing welding device for building steel structure to solve the problems raised in the background.

[0006] To solve the above technical problems, the utility model provides a sealing welding device for building steel structure, which comprises

[0007] a base, a welding device for welding steel structure is arranged on the base;

[0008] a positioning member, at least two positioning seats symmetrically arranged on the top surface of the base, a sleeve is installed on the positioning seat, a plurality of clamping plates which can slide radially on the outer wall of the sleeve are arranged on the outer wall of the sleeve;

[0009] a gas pump is installed on the base, a first gas bag and a second gas bag are connected to the gas outlet of the gas pump through a gas conveying pipe, the first gas bag and the second gas bag are spaced apart and embedded in the inner wall of the sleeve, and a sealing space is formed between the first gas bag and the second gas bag;

[0010] The sealing space is used for sealing detection of the welding area after welding operation.

[0011] a pressure gauge is installed on the outer wall of the sleeve, the detection end of the pressure gauge extends to the inside of the sealing space, and an inflation pipe which communicates with the sealing space is also installed on the sleeve;

[0012] The inflation pipe (18) can pressurize the sealing space (16).

[0013] Further, the welding device comprises a mechanical arm and a welding gun, the mechanical arm is fixedly installed on the top surface of the base, and the welding gun is installed on the movable end of the mechanical arm.

[0014] Further, an extension seat extending in the radial direction of the sleeve is arranged on the outer wall of the sleeve, a gas cylinder is fixedly installed on the front surface of the extension seat, and the clamping plate is fixedly connected to the driving end of the gas cylinder.

[0015] Further, the clamping plate is in an arc structure, an antiskid pad is installed on the arc surface of the inner side of the clamping plate, and the material of the antiskid pad is rubber.

[0016] Further, a plurality of extension seats are arranged on the outer wall of the sleeve in a circumferential array, and a gas cylinder is installed on each extension seat.

[0017] Further, an annular groove is formed in the inner wall of the sleeve, and the first gas bag and the second gas bag are fixedly installed in the annular groove.

[0018] Further, an inwardly recessed groove is formed in the top surface of the base, a sliding seat is slidingly installed in the groove, a lead screw is rotatably installed in the groove, and the sliding seat is threadedly connected to the lead screw, one of the positioning seats is fixedly installed on the top surface of the sliding seat, the other positioning seat is fixedly installed on the top surface of the base, and a driving motor for driving the rotation of the lead screw is installed on the side wall of the base.

[0019] Further, the groove is formed in the length direction of the base, the sliding seat is slidingly connected in the groove, and a guide rod for guiding the sliding seat is further arranged in the groove.

[0020] Compared with the prior art, the welding device has the following advantages:

[0021] According to the welding device, the building steel structure can be fixed in the sleeve through the positioning member, the building steel structure can be welded through the cooperation of the mechanical arm and the welding gun, after the welding is completed, the sealing space is moved to the welding seam of the building steel structure, the first gas bag and the second gas bag are inflated through the air pump, the first gas bag and the second gas bag are inflated, the inflated first gas bag and second gas bag are sealed with the outer wall of the building steel structure, the air pump and the air pipe are used to inflate the inflation pipe, the gas in the inflation pipe can enter the inside of the sealing space, after the pressure in the sealing space is full, the inflation is stopped, the pressure change of the pressure gauge is observed, the detection result is determined by comparing the pressure change of the normal air leakage, the welding and sealing detection functions are integrated, the sealing detection can be immediately performed after the welding operation is completed, the secondary detection through the special sealing detection equipment is not needed, the working process is greatly shortened, the time cost is reduced, and the working efficiency is remarkably improved. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the whole structure schematic diagram of the utility model;

[0023] Figure 2 It is the three-dimensional structure schematic diagram of the positioning seat in the utility model;

[0024] Figure 3 It is the front view structure schematic diagram of the positioning seat in the utility model;

[0025] Figure 4 It is the structure schematic diagram along Figure 3 The section line A-A.

[0026] In the figure: 1, base; 2, mechanical arm; 3, welding gun; 4, positioning seat; 5, sleeve; 6, extension seat; 7, air cylinder; 8, clamping plate; 9, sliding seat; 10, lead screw; 11, drive motor; 12, air pump; 13, gas delivery pipe; 14, first air bag; 15, second air bag; 16, sealed space; 17, pressure gauge; 18, inflation pipe. DETAILED DESCRIPTION

[0027] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0028] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a sealed welding device of building steel structure, including base 1, it is set up on the welding equipment for welding steel structure on it;

[0029] Positioning member, at least including two positioning seats 4 symmetrically arranged on the top surface of base 1, sleeve 5 is installed on positioning seat 4, and the outer wall of sleeve 5 is provided with a plurality of clamping plates 8 that can slide along its radial direction;

[0030] Air pump 12 is installed on base 1, its air outlet is connected with first air bag 14 and second air bag 15 through gas delivery pipe 13, first air bag 14 and second air bag 15 are spaced apart and embedded on the inner wall of sleeve 5, and sealing space 16 is formed between first air bag 14 and second air bag 15;

[0031] Pressure gauge 17 is installed on the outer wall of sleeve 5, its detection end extends to the inside of sealing space 16, and inflation pipe 18 that communicates with sealing space 16 is also installed on sleeve 5.

[0032] Specifically, the building steel structure can be fixed inside the sleeve 5 by the positioning member, and the building steel structure can be welded by cooperation of the mechanical arm 2 and the welding gun 3, after welding, the sealing space 16 is moved to the welding seam of the building steel structure, and the first air bag 14 and the second air bag 15 are inflated by the air pump 12 to make the first air bag 14 and the second air bag 15 expand, the first air bag 14 and the second air bag 15 after expansion are attached to the outer wall of the building steel structure to seal, and then the air pump 12 and the air pipe 13 are cooperated to inflate the inside of the inflation pipe 18, when the gas in the inflation pipe 18 can enter the inside of the sealing space 16, after the pressure in the sealing space 16 is full, the pressure charging is stopped, the pressure change of the pressure gauge 17 is observed, the detection result is determined by comparing the normal air pressure change without leakage, the welding and sealing detection functions are integrated, the sealing detection can be performed immediately after the welding operation is completed, and the secondary detection by the special sealing detection equipment is not needed, so that the work flow is greatly shortened, the time cost is reduced, and the work efficiency is significantly improved.

[0033] It should be noted that the inflation pipe 18 is provided with a valve, and the opening and closing of the inflation pipe 18 can be controlled through the valve.

[0034] Referring to Figure 1 , the welding device comprises the mechanical arm 2 and the welding gun 3, the mechanical arm 2 is fixedly installed on the top surface of the base 1, and the welding gun 3 is installed on the movable end of the mechanical arm 2.

[0035] Specifically, the welding gun 3 is moved by the mechanical arm 2, and the building steel structure can be welded by the welding gun 3.

[0036] Referring to Figure 2 , the outer wall of the sleeve 5 is provided with an extension seat 6 extending in the radial direction, the front surface of the extension seat 6 is fixedly installed with the air cylinder 7, and the clamping plate 8 is fixedly connected to the driving end of the air cylinder 7.

[0037] Referring to Figure 3 , the clamping plate 8 is in an arc shape, and the inner side of the clamping plate 8 is provided with a non-slip pad made of rubber.

[0038] Specifically, the non-slip pad can improve the stability of the clamping plate 8 in clamping the building steel structure.

[0039] Referring to Figure 3 , a plurality of extension seats 6 are arranged in a circumferential array on the outer wall of the sleeve 5, and the air cylinder 7 is installed on each extension seat 6.

[0040] Specifically, the building steel structure can be stably clamped and fixed inside the sleeve 5 by cooperation of the plurality of extension seats 6, the air cylinder 7 and the clamping plate 8.

[0041] Referring to Figure 4The inner wall of the sleeve 5 is provided with an annular groove, and the first air bag 14 and the second air bag 15 are fixedly installed in the annular groove.

[0042] Specifically, the annular groove can improve the stability of the installation of the first air bag 14 and the second air bag 15.

[0043] Referring to Figure 1 The top surface of the base 1 is provided with an inwardly recessed groove, the inner part of the groove is slidably installed with a sliding seat 9, the inner part of the groove is rotatably installed with a lead screw 10, the lead screw 10 is threadedly connected with the sliding seat 9, one of the positioning seats 4 is fixedly installed on the top surface of the sliding seat 9, the other positioning seat 4 is fixedly installed on the top surface of the base 1, and the sidewall of the base 1 is installed with a driving motor 11 for driving the lead screw 10 to rotate.

[0044] Specifically, the driving motor 11 drives the lead screw 10 to rotate, the lead screw 10 drives the sliding seat 9 to slide along the inner part of the groove, the sliding seat 9 can drive one of the positioning seats 4 to approach the other positioning seat 4, and then the sealing space 16 can be moved to the welding seam of the steel structure after the welding is completed.

[0045] Referring to Figure 1 The groove is provided along the length direction of the base 1, the sliding seat 9 is slidably connected in the inner part of the groove, and the inner part of the groove is further provided with a guide rod for guiding the sliding seat 9.

[0046] Specifically, the guide rod can ensure that the sliding seat 9 stably slides along the groove, and avoid that the sliding seat 9 synchronously rotates with the lead screw 10.

[0047] Working principle: when in use, the building steel structure is inserted into the sleeve 5, the clamping plate 8 is moved to the middle of the sleeve 5 by the air cylinder 7, the clamping plate 8 can clamp and fix the building steel structure in the inside of the sleeve 5, then the two building steel structures to be welded are butt jointed, and the building steel structure can be welded by the cooperation of the mechanical arm 2 and the welding gun 3, after the welding is completed, the air cylinder 7 and the clamping plate 8 installed on the positioning seat 4 on the sliding seat 9 are unlocked, the lead screw 10 is driven to rotate by the driving motor 11, the sliding seat 9 is driven to move linearly, the positioning seat 4 installed on the sliding seat 9 is driven to move close to another positioning seat 4, so as to move the sealed space 16 to the welding seam of the building steel structure, the first air bag 14 and the second air bag 15 are inflated by the air pump 12, so that the first air bag 14 and the second air bag 15 are inflated, the inflated first air bag 14 and the second air bag 15 are in close contact with the outer wall of the building steel structure, then the air pump 12 and the air pipe 13 are used to inflate the inside of the inflation pipe 18, when the gas in the inflation pipe 18 can enter the inside of the sealed space 16, after the pressure in the sealed space 16 is full, the inflation is stopped, the pressure change of the pressure gauge 17 is observed, the detection result is determined by comparing the normal air pressure change without leakage, the welding and sealing detection functions are integrated, the sealing detection can be carried out immediately after the welding operation is completed, without the need of using special sealing detection equipment for secondary detection, the working process is greatly shortened, the time cost is reduced, and the working efficiency is significantly improved.

Claims

1. A sealing welding device for building steel structure, characterized in that: include A base (1) on which welding equipment for welding the steel structure is provided; The positioning member comprises at least two positioning seats (4) symmetrically arranged on the top surface of the base (1), a sleeve (5) is mounted on the positioning seat (4), and a plurality of clamping plates (8) that can slide along the radial direction of the sleeve (5) are arranged on the outer wall of the sleeve (5); An air pump (12) is mounted on the base (1), and an air outlet end thereof is connected to a first air bag (14) and a second air bag (15) via an air delivery pipe (13). The first air bag (14) and the second air bag (15) are embedded in the inner wall of the sleeve (5) at intervals, and a sealed space (16) is formed between the first air bag (14) and the second air bag (15); Wherein, the sealed space is used to perform sealing detection on the welding area after the welding operation; A pressure gauge (17) is mounted on the outer wall of the sleeve (5), with its detection end extending into the interior of the sealed space (16). An inflation tube (18) communicating with the sealed space (16) is also mounted on the sleeve (5), and the inflation tube (18) can pressurize the sealed space (16).

2. A sealing welding device for a building steel structure according to claim 1, characterized in that: The welding equipment comprises a mechanical arm (2) and a welding gun (3); the mechanical arm (2) is fixedly mounted on the top surface of a base (1); and the welding gun (3) is mounted on the movable end of the mechanical arm (2).

3. A sealing welding device for building steel structure according to claim 1, characterized in that: An extension seat (6) extending radially is provided on the outer wall of the sleeve (5), a cylinder (7) is fixedly mounted on the front of the extension seat (6), and the clamping plate (8) is fixedly connected to the driving end of the cylinder (7).

4. A sealing welding device for a building steel structure as claimed in claim 3, characterized in that: The clamping plate (8) has an arc-shaped structure, and an anti-slip pad is installed on the inner arc surface of the clamping plate (8), and the material of the anti-slip pad is rubber.

5. A sealing welding device for building steel structure according to claim 3, characterized in that: There are a plurality of extension seats (6), which are arranged in a circular array on the outer wall of the sleeve (5), and a cylinder (7) is installed on each extension seat (6).

6. The sealing welding device for building steel structure according to claim 1, characterized in that: An annular groove is provided on the inner wall of the sleeve (5), and the first airbag (14) and the second airbag (15) are fixedly installed inside the annular groove.

7. The sealing welding device for building steel structure according to claim 1, characterized in that: The top surface of the base (1) is provided with an inwardly concave groove, a slide seat (9) is slidably installed inside the groove, a screw rod (10) is rotatably installed inside the groove, and the screw rod (10) is threadedly connected to the slide seat (9), one of the positioning seats (4) is fixedly installed on the top surface of the slide seat (9), and the other positioning seat (4) is fixedly installed on the top surface of the base (1), and a driving motor (11) for driving the screw rod (10) to rotate is installed on the side wall of the base (1).

8. A sealing welding device for building steel structure according to claim 7, characterized in that: The groove is opened along the length direction of the base (1), the slide seat (9) is slidably connected inside the groove, and a guide rod for guiding the slide seat (9) is also provided inside the groove.

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