CN113664645A

CN113664645A - A prevention and cure device for building steel construction welding seam crackle

Info

Publication number: CN113664645A
Application number: CN202111237466.XA
Authority: CN
Inventors: 包丽丽
Original assignee: Jiangsu Shunlong Hongtai Power Equipment Co ltd
Current assignee: Jiangsu Shunlong Hongtai Power Equipment Co ltd
Priority date: 2021-10-25
Filing date: 2021-10-25
Publication date: 2021-11-19
Anticipated expiration: 2041-10-25
Also published as: CN113664645B

Abstract

The invention provides a device for preventing and treating cracks of a welding seam of a building steel structure, which relates to the technical field of steel structure welding and aims to solve the problems that when a conventional building steel structure is subjected to combined welding, due to rust layers on two sides of the welding seam within a certain range, the welding quality is easily influenced, meanwhile, water is remained due to incomplete cleaning around the welding seam, hydrogen is formed due to the influence of high temperature on water in the welding process, a welding part is easy to form cracks, and due to the fact that a steel structure member is large, the welding seam is subjected to large tensile stress when being contracted, and the hot crack tendency is generated; the front end of the top end of the main frame body is provided with a lifting frame, and the lifting frame is provided with a rotating mechanism; the right side of the middle section of the main frame body is fixedly provided with a fixing frame, and the fixing frame is provided with a positioning frame. According to the rust cleaning device, the first rotating rod rotates to a position above a welding line of a steel structural member, water mist sprayed by the nozzle is used for cleaning polished rust, the air pump is started after the rust is cleaned, and water at the welding line position is cleaned by the air blowing pipe.

Description

A prevention and cure device for building steel construction welding seam crackle

Technical Field

The invention belongs to the technical field of steel structure welding, and particularly relates to a device for preventing and treating welding seam cracks of a building steel structure.

Background

With the continuous development of the construction industry and the industry in China, the application of steel structure welding is deeper and deeper. The steel structural member is large, the thickness of the steel plate is large, the amount of welding deposited metal is large, the node is complex, the residual stress is large, cracks are easy to appear, and the welding quality is influenced, which is a key point and a difficult point of engineering quality control and is also a difficult problem to be solved urgently.

Conventional building steel structure when the built-up welding, because there is the rust layer welding seam both sides in certain extent, influence welding quality easily, the clearance is incomplete can the residual water around the welding seam simultaneously, and the welding process water receives high temperature to influence can form hydrogen, leads to the splice very easily to form the crack, and in addition welding process, because steel structural component is great, can receive great tensile stress during the welding seam shrink, can produce the hot crack tendency.

Disclosure of Invention

In order to solve the technical problems, the invention provides a device for preventing and treating cracks of a welding seam of a building steel structure, which aims to solve the problems that when a conventional building steel structure is subjected to combined welding, due to rust layers on two sides of the welding seam within a certain range, the welding quality is easily influenced, meanwhile, water is remained due to incomplete cleaning around the welding seam, hydrogen is formed due to the influence of high temperature of water in the welding process, cracks are easily formed at the welding position, and in the welding process, due to the fact that a steel structural member is large, the welding seam is subjected to large tensile stress when being contracted, and the hot cracking tendency is generated.

The invention relates to a device for preventing and treating welding seam cracks of a building steel structure, which has the purpose and the effect and is achieved by the following specific technical means: a device for preventing and treating welding seam cracks of a building steel structure comprises a main frame body; the front end of the top end of the main frame body is provided with a lifting frame, and the lifting frame is provided with a rotating mechanism; a fixing frame is fixedly arranged on the right side of the middle section of the main frame body, and a positioning frame is arranged on the fixing frame; the positioning frame is provided with a left pneumatic clamp and a right pneumatic clamp, and the left pneumatic clamp and the right pneumatic clamp are both provided with two clamping plates.

Further, the body frame body includes installation cavity, first motor and lead screw, and the installation cavity has been seted up to body frame body top position, and the lateral wall of installation cavity front end has seted up the spout to rotate through the bearing in the installation cavity and install the lead screw, body frame body top fixed mounting has first motor, and the pivot of first motor is connected with the lead screw.

Further, the crane includes slider and sliding plate, and the crane comprises two parallel diaphragm, and the crane rear end is equipped with the slider to the crane passes through the spout sliding connection of slider and the body frame body, and the slider rear end is equipped with the sliding plate, and the sliding plate is located the installation intracavity, and the lead screw passes through threaded mode and sliding plate sliding connection.

Further, slewing mechanism includes second motor, rotating turret, first dwang and second dwang, and the rotating turret sets up between the two diaphragms of crane, and the rotating turret passes through the axostylus axostyle and rotates with the crane to be connected, and second motor fixed mounting is in the lifting turret top, and the pivot of second motor is connected with the axostylus axostyle of rotating turret to fixed mounting has first dwang and second dwang on the rotating turret.

Further, the included angle between first dwang and the second dwang is 90 degrees, and second dwang tip is equipped with the sander, and first dwang bottom is equipped with the mounting bracket, and first dwang top is equipped with the water tank.

Further, the mounting bracket includes air pump, air duct, first intercommunication frame and gas blow pipe, and the mounting bracket is U type frame construction, and fixed mounting has the air pump in the mounting bracket frame, and the mounting bracket bottom is equipped with first intercommunication frame, and is equipped with the gas blow pipe bottom the first intercommunication frame to first intercommunication frame communicates with each other through air duct and air pump.

Further, the water tank includes aqueduct, second intercommunication frame and nozzle, and the mounting bracket bottom is arranged in to the second intercommunication frame, and the second intercommunication frame is the symmetric mode with first intercommunication frame and distributes, is equipped with the nozzle on the second intercommunication frame, and the second intercommunication frame communicates with each other with the water tank through the aqueduct.

Further, the locating rack includes cylinder, guide bar and fixed plate, and the locating rack is the rectangular frame structure, and fixed mounting has the fixed plate in the locating rack frame, and fixed plate one side is equipped with the cylinder, and the fixed plate opposite side is equipped with both sides guide bar to the guide bar is located between the right side board of fixed plate and locating rack.

Further, left side pneumatic clamp includes bottom plate and sliding sleeve, and left side pneumatic clamp bottom is equipped with the bottom plate, and the bottom plate bottom is equipped with two sliding sleeves, and when left side pneumatic clamp was connected state with the locating rack, the bottom plate passed through the guide bar sliding connection of sliding sleeve and locating rack, and the bottom plate is connected with the telescopic link tip of cylinder.

Further, splint include rubber cushion, and splint are connected with the telescopic link that left pneumatic clamp and right pneumatic clamp, and every two splint are the symmetric mode and distribute to the relative inboard of splint is equipped with rubber cushion, and rubber cushion contacts with building steel moreover.

Compared with the prior art, the invention has the following beneficial effects: 1. the device is powered by a first motor, and the sliding plate slides up and down along the installation cavity through the rotation of the screw rod, so that the height of the lifting frame is adjusted; the included angle between the first rotating rod and the second rotating rod is 90 degrees, the end part of the second rotating rod is provided with a sander, the bottom of the first rotating rod is provided with an installation frame, the top of the first rotating rod is provided with a water tank, meanwhile, a second motor provides power, the rotating frame drives the first rotating rod and the second rotating rod to rotate clockwise or anticlockwise, so that the second rotating rod rotates to the position above the welding line of the steel structural member, the lifting frame is adjusted to a proper height, and meanwhile, the sander is started to clear the rust layer in a certain range of the welding line; 2. the second communicating frame is provided with a nozzle and is communicated with the water tank through a water guide pipe, when the sander clears rust at a welding seam of the steel structural member, the rotating frame drives the first rotating rod and the second rotating rod to rotate for 90 degrees, so that the first rotating rod rotates to the position above the welding seam of the steel structural member, water mist sprayed by the nozzle cleans the polished rust, and when the rust is cleared, the air pump is started to clean water at the welding seam position by the air blowing pipe; 3. because the pneumatic bottom that presss from both sides in a left side is equipped with the bottom plate, and the bottom plate bottom is equipped with two sliding sleeves, when the pneumatic clamp in a left side is connected state with the locating rack, the bottom plate passes through the guide bar sliding connection of sliding sleeve and locating rack, and the bottom plate is connected with the telescopic link tip of cylinder, this device carries out the centre gripping to carrying out welded two steel structural component through the pneumatic clamp in a left side and the pneumatic clamp in a right side, and provide power by the cylinder, make the bottom plate drive the pneumatic clamp in a left side and slide right, make the welding seam laminating between the steel structural component of two inseparabler, thereby reduce the tensile stress that receives when the welding seam contracts.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a schematic axial view of the present invention.

Fig. 2 is a schematic view of the rotational angle structure drawn from fig. 1.

Fig. 3 is a structural schematic diagram of the lifting frame and the rotating mechanism of the invention.

Fig. 4 is a left-view structure schematic diagram of the main frame body and the lifting frame of the invention.

Fig. 5 is a structural view illustrating a state where the first rotating lever, the mounting bracket and the water tank are connected according to the present invention.

Fig. 6 is a structural view illustrating a state where the first rotating lever, the mounting bracket and the water tank are separated from each other, as shown in fig. 5.

FIG. 7 is a schematic view of the second rotating shaft and sander attachment configuration of the present invention.

Fig. 8 is a schematic view of the structure of the positioning frame, the left pneumatic clamp, the right pneumatic clamp and the clamping plate of the invention.

Fig. 9 is a schematic view of the left pneumatic clamp configuration of the present invention.

Fig. 10 is a schematic view of the connection structure of the spacer and the base plate of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows: 1. a main frame body; 101. a mounting cavity; 102. a first motor; 103. a screw rod; 2. a lifting frame; 201. a slider; 202. a sliding plate; 3. a rotating mechanism; 301. a second motor; 302. a rotating frame; 303. a first rotating lever; 304. a second rotating lever; 4. a mounting frame; 401. an air pump; 402. an air duct; 403. a first communication frame; 404. an air blowing pipe; 5. a water tank; 501. a water conduit; 502. a second communicating frame; 503. a nozzle; 6. a sander; 7. a positioning frame; 701. a cylinder; 702. a guide bar; 703. a fixing plate; 8. a left pneumatic clamp; 801. a base plate; 802. a sliding sleeve; 9. a splint; 901. a rubber cushion block; 10. a right pneumatic clamp; 11. a fixing frame.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The first embodiment is as follows: as shown in figures 1 to 7: the invention provides a device for preventing and treating welding seam cracks of a building steel structure, which comprises a main frame body 1; the main frame body 1 comprises a mounting cavity 101, a first motor 102 and a screw rod 103, the mounting cavity 101 is formed in the top end of the main frame body 1, a sliding groove is formed in the side wall of the front end of the mounting cavity 101, the screw rod 103 is rotatably mounted in the mounting cavity 101 through a bearing, the first motor 102 is fixedly mounted at the top end of the main frame body 1, and a rotating shaft of the first motor 102 is connected with the screw rod 103; the front end of the top end of the main frame body 1 is provided with a lifting frame 2, and the lifting frame 2 is provided with a rotating mechanism 3; a fixing frame 11 is fixedly arranged on the right side of the middle section of the main frame body 1, and a positioning frame 7 is arranged on the fixing frame 11; the positioning frame 7 is provided with a left pneumatic clamp 8 and a right pneumatic clamp 10, and the left pneumatic clamp 8 and the right pneumatic clamp 10 are both provided with two clamp plates 9.

As shown in fig. 4, the lifting frame 2 comprises a sliding block 201 and a sliding plate 202, the lifting frame 2 is composed of two parallel transverse plates, the sliding block 201 is arranged at the rear end of the lifting frame 2, the lifting frame 2 is connected with the sliding groove of the main frame body 1 through the sliding block 201 in a sliding mode, the sliding plate 202 is arranged at the rear end of the sliding block 201, the sliding plate 202 is located in the installation cavity 101, the screw rod 103 is connected with the sliding plate 202 in a sliding mode through threads, the device is powered by the first motor 102, the sliding plate 202 slides up and down along the installation cavity 101 through the rotation of the screw rod 103, and the height of the lifting frame 2 is adjusted.

As shown in fig. 3, the rotating mechanism 3 includes a second motor 301, a rotating frame 302, a first rotating rod 303 and a second rotating rod 304, the rotating frame 302 is disposed between two transverse plates of the lifting frame 2, the rotating frame 302 is rotatably connected with the lifting frame 2 through a shaft rod, the second motor 301 is fixedly installed at the top of the lifting frame 2, a rotating shaft of the second motor 301 is connected with the shaft rod of the rotating frame 302, and the rotating frame 302 is fixedly installed with the first rotating rod 303 and the second rotating rod 304; contained angle is 90 degrees between first dwang 303 and the second dwang 304, and second dwang 304 tip is equipped with sander 6, first dwang 303 bottom is equipped with mounting bracket 4, and first dwang 303 top is equipped with water tank 5, this device is provided power by second motor 301, drive first dwang 303 and second dwang 304 clockwise or anticlockwise rotation 90 degrees through rolling stand 302, make second dwang 304 rotatory to steel structural member's welding seam top, and adjust to suitable height to crane 2 by the aforesaid, sander 6 is opened simultaneously, the rust layer of welding seam within the certain range is clear away.

As shown in fig. 5 and 6, the mounting rack 4 includes an air pump 401, an air duct 402, a first communicating rack 403 and an air blowing pipe 404, the mounting rack 4 is of a U-shaped frame structure, the air pump 401 is fixedly mounted in the frame of the mounting rack 4, the bottom of the mounting rack 4 is provided with the first communicating rack 403, the bottom of the first communicating rack 403 is provided with the air blowing pipe 404, and the first communicating rack 403 is communicated with the air pump 401 through the air duct 402; the water tank 5 comprises a water guide pipe 501, a second communicating frame 502 and a nozzle 503, the second communicating frame 502 is arranged at the bottom of the mounting frame 4, the second communicating frame 502 and the first communicating frame 403 are symmetrically distributed, the nozzle 503 is arranged on the second communicating frame 502, the second communicating frame 502 is communicated with the water tank 5 through the water guide pipe 501, after rust at a welding seam of the steel structural member is removed by the sander 6, the rotating frame 302 drives the rotating angles of the first rotating rod 303 and the second rotating rod 304 to enable the first rotating rod 303 to rotate to the upper side of the welding seam of the steel structural member, water mist sprayed by the nozzle 503 is used for cleaning the polished rust, the air pump 401 is started after the rust is removed, and water at the welding seam is cleaned by the air blowing pipe 404.

Example two: as shown in fig. 8 and 10: the positioning frame 7 comprises an air cylinder 701, a guide rod 702 and a fixing plate 703, the positioning frame 7 is of a rectangular frame structure, the fixing plate 703 is fixedly installed in the frame of the positioning frame 7, the air cylinder 701 is arranged on one side of the fixing plate 703, the guide rods 702 on two sides are arranged on the other side of the fixing plate 703, and the guide rods 702 are located between the fixing plate 703 and the right side plate of the positioning frame 7; pneumatic clamp 8 in a left side includes bottom plate 801 and sliding sleeve 802, pneumatic clamp 8 in a left side bottom is equipped with bottom plate 801, and bottom plate 801 bottom is equipped with two sliding sleeve 802, when pneumatic clamp 8 in a left side is connected state with locating rack 7, bottom plate 801 passes through sliding sleeve 802 and locating rack 7's guide bar 702 sliding connection, and bottom plate 801 is connected with cylinder 701's telescopic link tip, this device presss from both sides 8 and right pneumatic clamp 10 through a left side and carries out the centre gripping to carrying out welded two steel structural component, and provide power by cylinder 701, make bottom plate 801 drive pneumatic clamp 8 in a left side and slide right, make the welding seam laminating between the steel structural component of two inseparabler, thereby receive the tensile stress when reducing the welding seam shrink.

In another embodiment, as shown in fig. 9, the clamping plates 9 are connected to the telescopic rods of the left pneumatic clamp 8 and the right pneumatic clamp 10, every two clamping plates 9 are symmetrically distributed, rubber pads 901 are arranged on the opposite inner sides of the clamping plates 9, the rubber pads 901 are in contact with building steel, and the friction force between the clamping plates 9 and the surface of the steel structural member is increased by the rubber pads 901, so that the left pneumatic clamp 8 and the right pneumatic clamp 10 clamp the steel structural member more firmly, and the stability is improved.

The specific use mode and function of the embodiment are as follows: in the use process, firstly, the first motor 102 provides power, the screw rod 103 rotates, the sliding plate 202 slides up and down along the installation cavity 101, and then the height of the lifting frame 2 is adjusted; meanwhile, a second motor 301 provides power, the first rotating rod 303 and the second rotating rod 304 are driven by the rotating frame 302 to rotate 90 degrees clockwise or anticlockwise, the second rotating rod 304 is rotated above the welding seam of the steel structural member and is adjusted to a proper height by the pair of lifting frames 2, and meanwhile, the sander 6 is started to clean the rust layer in a certain range of the welding seam; secondly, after the sander 6 removes rust at the weld of the steel structural member, the rotating frame 302 drives the rotating angles of the first rotating rod 303 and the second rotating rod 304 to enable the first rotating rod 303 to rotate to the position above the weld of the steel structural member, water mist is sprayed out from the nozzle 503 to clean the polished rust, and after the rust is removed, the air pump 401 is started to clean water at the weld by using the air blowing pipe 404; in addition, this device presss from both sides 8 and right pneumatic clamp 10 through left pneumatics and carries out the centre gripping to carrying out welded two steel structural component to provide power by cylinder 701, make bottom plate 801 drive left pneumatics and press from both sides 8 and slide right, make the welding seam laminating between the two steel structural component inseparabler, thereby reduce the tensile stress that receives when the welding seam contracts.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a prevention and cure device for building steel construction welding seam crackle which characterized in that: the device for preventing and treating the welding seam cracks of the building steel structure comprises a main frame body (1); the front end of the top end of the main frame body (1) is provided with a lifting frame (2), and the lifting frame (2) is provided with a rotating mechanism (3); a fixing frame (11) is fixedly arranged on the right side of the middle section of the main frame body (1), and a positioning frame (7) is arranged on the fixing frame (11); the positioning frame (7) is provided with a left pneumatic clamp (8) and a right pneumatic clamp (10), and the left pneumatic clamp (8) and the right pneumatic clamp (10) are both provided with two clamp plates (9).

2. The device for preventing and treating the weld cracks of the building steel structure according to claim 1, wherein the main frame body (1) comprises a mounting cavity (101), a first motor (102) and a screw rod (103), the mounting cavity (101) is formed in the top end of the main frame body (1), a sliding groove is formed in the side wall of the front end of the mounting cavity (101), the screw rod (103) is rotatably mounted in the mounting cavity (101) through a bearing, the first motor (102) is fixedly mounted at the top end of the main frame body (1), and a rotating shaft of the first motor (102) is connected with the screw rod (103).

3. The device for preventing and treating the welding seam crack of the building steel structure according to the claim 1 is characterized in that the lifting frame (2) comprises a sliding block (201) and a sliding plate (202), the lifting frame (2) is composed of two parallel transverse plates, the sliding block (201) is arranged at the rear end of the lifting frame (2), the lifting frame (2) is in sliding connection with the sliding groove of the main frame body (1) through the sliding block (201), the sliding plate (202) is arranged at the rear end of the sliding block (201), the sliding plate (202) is located in the installation cavity (101), and the screw rod (103) is in sliding connection with the sliding plate (202) in a threaded mode.

4. The device for preventing and treating the cracks of the welding seams of the building steel structure as claimed in claim 1, wherein the rotating mechanism (3) comprises a second motor (301), a rotating frame (302), a first rotating rod (303) and a second rotating rod (304), the rotating frame (302) is arranged between two transverse plates of the lifting frame (2), the rotating frame (302) is rotatably connected with the lifting frame (2) through a shaft rod, the second motor (301) is fixedly installed at the top of the lifting frame (2), the rotating shaft of the second motor (301) is connected with the shaft rod of the rotating frame (302), and the first rotating rod (303) and the second rotating rod (304) are fixedly installed on the rotating frame (302).

5. The device for preventing and treating the cracks of the welding seams of the building steel structures is characterized in that an included angle between the first rotating rod (303) and the second rotating rod (304) is 90 degrees, a sander (6) is arranged at the end part of the second rotating rod (304), a mounting frame (4) is arranged at the bottom of the first rotating rod (303), and a water tank (5) is arranged at the top of the first rotating rod (303).

6. The device for preventing and treating the welding seam crack of the building steel structure according to claim 5, wherein the mounting frame (4) comprises an air pump (401), an air guide pipe (402), a first communicating frame (403) and an air blowing pipe (404), the mounting frame (4) is of a U-shaped frame structure, the air pump (401) is fixedly mounted in the frame of the mounting frame (4), the first communicating frame (403) is arranged at the bottom of the mounting frame (4), the air blowing pipe (404) is arranged at the bottom of the first communicating frame (403), and the first communicating frame (403) is communicated with the air pump (401) through the air guide pipe (402).

7. The device for preventing and treating the welding seam crack of the building steel structure according to claim 5, wherein the water tank (5) comprises a water guide pipe (501), a second communicating frame (502) and a nozzle (503), the second communicating frame (502) is arranged at the bottom of the mounting frame (4), the second communicating frame (502) and the first communicating frame (403) are symmetrically distributed, the nozzle (503) is arranged on the second communicating frame (502), and the second communicating frame (502) is communicated with the water tank (5) through the water guide pipe (501).

8. The device for preventing and treating the crack of the welding seam of the building steel structure as claimed in claim 1, wherein the locating rack (7) comprises an air cylinder (701), a guide rod (702) and a fixing plate (703), the locating rack (7) is of a rectangular frame structure, the fixing plate (703) is fixedly installed in the frame of the locating rack (7), the air cylinder (701) is arranged on one side of the fixing plate (703), the guide rods (702) on two sides are arranged on the other side of the fixing plate (703), and the guide rods (702) are located between the fixing plate (703) and the right side plate of the locating rack (7).

9. The device for preventing and treating the crack of the welding seam of the building steel structure as claimed in claim 1, wherein the left pneumatic clamp (8) comprises a bottom plate (801) and a sliding sleeve (802), the bottom plate (801) is arranged at the bottom of the left pneumatic clamp (8), two sliding sleeves (802) are arranged at the bottom of the bottom plate (801), when the left pneumatic clamp (8) is connected with the positioning frame (7), the bottom plate (801) is connected with the guide rod (702) of the positioning frame (7) in a sliding manner through the sliding sleeve (802), and the bottom plate (801) is connected with the end of the telescopic rod of the cylinder (701).

10. The device for preventing and treating the weld cracks of the building steel structure according to claim 1, wherein the clamping plates (9) comprise rubber cushion blocks (901), the clamping plates (9) are connected with telescopic rods of the left pneumatic clamp (8) and the right pneumatic clamp (10), every two clamping plates (9) are distributed in a symmetrical mode, the rubber cushion blocks (901) are arranged on the opposite inner sides of the clamping plates (9), and the rubber cushion blocks (901) are in contact with building steel.