Multi-angle welding auxiliary device for fire-fighting pipeline

Abstract

The invention provides a multi-angle welding auxiliary device for a fire fighting pipeline, and relates to the technical field of welding auxiliary devices. Two mounting blocks are fixed to the top end face of the base, two first electric cylinders are fixed to the top end face of each mounting block, one ends of the upper portions of the two first electric cylinders on the left side are fixed to one first supporting block, and one ends of the upper portions of the two first electric cylinders on the right side are fixed to the other first supporting block. On one hand, two third electric cylinders are controlled to stretch until polishing blocks make elastic contact with the outer wall of the pipeline, in the rotating process of the pipeline, the outer wall of the welding position of the pipeline can be polished through the polishing blocks, and the follow-up welding quality is guaranteed; and on the other hand, when the strength of the welded pipeline is tested, four first electric cylinders are controlled to contract, at the moment, first supporting blocks are separated from the pipeline, two third electric cylinders are controlled to stretch, the strength of the welded pipeline can be tested under extrusion of grinding blocks, and compared with an existing device, the device is more comprehensive in function.

Description

Technical Field

[0001] The invention relates to the technical field of welding auxiliary devices, and in particular to a multi-angle welding auxiliary device for fire protection pipelines. Background Art

[0002] When welding fire-fighting pipes, the pipes need to be rotated and welded, and auxiliary devices are needed to realize the rotation of the pipes.

[0003] After welding, the existing device needs to use a special detection device to test the strength of the weld, which is of low practicality; the existing device cannot handle the rust on the pipeline during welding, which affects the welding quality.

[0004] Therefore, in view of this, the existing structure and defects are studied and improved, and a multi-angle welding auxiliary device for fire protection pipes is provided, in order to achieve a more practical purpose. Summary of the invention

[0005] In order to solve the above technical problems, the present invention provides a multi-angle welding auxiliary device for fire protection pipes to solve the problem that after welding, the existing device needs to use a special detection device to test the strength of the weld, which has low practicality; the existing device cannot process the rust on the pipe during welding, which affects the welding quality.

[0006] The present invention provides a multi-angle welding auxiliary device for fire protection pipes, specifically comprising: a base; a support assembly is installed on the base, and the support assembly consists of a mounting block, a first electric cylinder, a first support block, a first guide rod, a second support block, a ball, an adjustment rod, a worm gear, a worm and a first motor. Two mounting blocks are fixed to the top surface of the base, and two first electric cylinders are fixed to the top surface of each mounting block. The upper ends of the two first electric cylinders on the left are fixed to one first support block, and the upper ends of the two first electric cylinders on the right are fixed to another first support block. Two pipes are placed on the two first support blocks.

[0007] Furthermore, two first guide rods are welded to the left end face of each mounting block, a second support block slides on the two first guide rods on the left side, and a second support block also slides on the two first guide rods on the right side, and both second support blocks are in contact with the pipeline.

[0008] Furthermore, a V-shaped groove is provided on the top of each of the first support block and the second support block, the pipe is located in the V-shaped groove, and each V-shaped groove is provided with balls in a linear array, and the balls are in contact with the pipe.

[0009] Furthermore, an adjustment rod is rotatably arranged on the two mounting blocks, and the left end and the right end of the adjustment rod are respectively threadedly connected to the two second supporting blocks, and the thread directions of the left end and the right end of the adjustment rod are opposite.

[0010] Furthermore, a worm wheel is welded on the adjusting rod, a worm is rotated on the base, the worm is meshed with the worm wheel, a first motor is fixed on the base, and the output shaft of the first motor is fixed on the worm wheel.

[0011] Furthermore, two driving components are installed on the base, and the driving components are composed of a first mounting arm, a first sliding seat, a driving wheel, a second motor and a second electric cylinder. The first mounting arm is fixed to the top surface of the base, and the first mounting arm is an L-shaped structure. A first sliding seat slides on the first mounting arm, and a driving wheel rotates on the first sliding seat. A second motor is fixed on the first sliding seat, and the output shaft of the second motor is fixed on the rotating shaft of the driving wheel. The driving wheel is located directly above the pipeline.

[0012] Furthermore, a second electric cylinder is fixed on the first mounting arm, and the protruding end of the second electric cylinder is fixed on the first sliding seat.

[0013] Furthermore, a grinding assembly is installed on the base, and the grinding assembly consists of a second mounting arm, a second sliding seat, a third electric cylinder, a spring rod, a fixed block, a grinding block and a ruler. A second mounting arm with the same L-shaped structure is fixed to the top surface of the base, a second sliding seat is slid on the second mounting arm, a third electric cylinder is fixed on the second mounting arm, and the protruding end of the third electric cylinder is fixed on the second sliding seat.

[0014] Furthermore, two spring rods are fixed to the bottom end surface of the second sliding seat, and the protruding ends of the two spring rods are fixed to the fixed block. A grinding block is fixed to the bottom end surface of the fixed block, and the grinding block is located directly above the pipeline.

[0015] Furthermore, a scale is fixed on the top surface of the second sliding seat, and the scale passes through the second mounting arm.

[0016] Furthermore, an adjustment assembly is installed on the second mounting arm, and the adjustment assembly consists of a base body, a third guide rod, a clamping arm and a fourth electric cylinder. A base body is fixed to the front end face of the second mounting arm, and a third guide rod is welded to the left and right end faces of the base body. An L-shaped clamping arm is slid on each of the two third guide rods, and the two clamping arms are respectively located on the outsides of the two pipes; a fourth electric cylinder is fixed to the left and right end faces of the base body, and the protruding ends of the two fourth electric cylinders are respectively fixed to the two clamping arms.

[0017] Compared with the prior art, the present invention has the following beneficial effects: Through the setting of the grinding component, on the one hand, the two third electric cylinders are controlled to extend until the grinding block is in elastic contact with the outer wall of the pipe. During the rotation of the pipe, the outer wall of the pipe welding part can be grinded by the grinding block, thereby ensuring the quality of subsequent welding. On the other hand, when the strength of the welded pipe is tested, the four first electric cylinders are controlled to contract. At this time, the first support block is separated from the pipe, and the two third electric cylinders are controlled to extend. Under the squeezing of the grinding block, the strength test of the pipe after welding can be realized. Compared with the existing device, the function of this device is more comprehensive.

[0018] By setting the driving component, the second electric cylinder is controlled to extend until the driving wheel contacts the outer wall of the pipe, and the second motor is controlled to rotate. The second motor drives the driving wheel to rotate. Under the drive of the driving wheel, the pipe can be rotated, which facilitates rotary welding and improves subsequent welding efficiency.

[0019] By adjusting the settings of the components, the two fourth electric cylinders are controlled to retract, and the two clamping arms are driven by the two fourth electric cylinders to move inward to push the pipes to complete the docking, which makes the pipe docking faster and more labor-saving. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings of the embodiment are briefly introduced below.

[0021] In the attached picture: Figure 1 It shows an axial structural schematic diagram of a multi-angle welding auxiliary device for fire protection pipes according to the present invention; Figure 2 It is shown that according to the present invention Figure 1 A schematic diagram of the enlarged structure at point A; Figure 3 It shows a schematic diagram of the front view of the multi-angle welding auxiliary device for fire protection pipes according to the present invention; Figure 4 It shows a left-side structural schematic diagram of the multi-angle welding auxiliary device for fire protection pipes according to the present invention; Figure 5 It is shown that according to the present invention Figure 4 A schematic diagram of the enlarged structure at B; Figure 6 A schematic diagram of the axial structure of a grinding assembly according to the present invention is shown; Figure 7 It shows a schematic diagram of the axial structure of the adjustment assembly according to the present invention; Figure 8 A schematic diagram of the axial structure of the drive assembly according to the present invention is shown.

[0022] Reference numerals list 1. Base; 2. Support assembly; 201. Mounting block; 202. First electric cylinder; 203. First support block; 204. First guide rod; 205. Second support block; 206. Ball bearing; 207. Adjustment rod; 208. Worm gear; 209. Worm; 210. First motor; 3. Pipeline; 4. Driving assembly; 401. first mounting arm; 402. first sliding seat; 403. driving wheel; 404. second motor; 405. second electric cylinder; 5. Grinding assembly; 501. Second mounting arm; 502. Second sliding seat; 503. Third electric cylinder; 504. Spring rod; 505. Fixed block; 506. Grinding block; 507. Scale; 6. Adjustment assembly; 601. Base body; 602. Third guide rod; 603. Clamping arm; 604. Fourth electric cylinder. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] Unless otherwise defined, all terms (including technical and scientific terms) used in the embodiments of the present invention have the same meanings as commonly understood by those skilled in the art to which the present invention belongs. It should also be understood that terms such as those defined in common dictionaries should be interpreted as having meanings consistent with their meanings in the context of the relevant technology, and should not be interpreted in an idealized or extremely formal sense, unless the embodiments of the present invention clearly define such meanings.

[0025] The words "first", "second" and similar words used in the embodiments of the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. The words "one", "one" or "the" and similar words do not indicate a quantity limitation, but indicate the existence of at least one. Similarly, the words "include" or "comprise" and similar words mean that the elements or objects appearing in front of the word cover the elements or objects listed after the word and their equivalents, without excluding other elements or objects. In the following description, the spatial and directional terms such as "upper", "lower", "front", "back", "top", "bottom", "vertical" and "horizontal" may be used to describe the embodiments of the present invention, but it should be understood that these terms are only for the convenience of describing the embodiments shown in the figures, and do not require the actual device to be constructed or operated in a specific orientation. In the following description, the use of terms such as "connect", "couple", "fix" and "attach" may refer to the direct connection between two elements or structures without other elements or structures, or may refer to the indirect connection between two elements or structures through an intermediate element or structure, unless otherwise clearly stated in this article.

[0026] Embodiment 1: As attached Figure 1 To Attachment Figure 8 As shown: The present invention provides a multi-angle welding auxiliary device for fire-fighting pipes, comprising: a base 1; a support assembly 2 is installed on the base 1, and the support assembly 2 is composed of a mounting block 201, a first electric cylinder 202, a first support block 203, a first guide rod 204, a second support block 205, a ball 206, an adjustment rod 207, a worm wheel 208, a worm 209 and a first motor 210. Two mounting blocks 201 are fixed on the top surface of the base 1, and two first electric cylinders 202 are fixed on the top surface of each mounting block 201. The upper ends of the two first electric cylinders 202 on the left are fixed on one first support block 203, and the upper ends of the two first electric cylinders 202 on the right are fixed on another first support block 203. Two pipes 3 are placed on the two first support blocks 203.

[0027] Among them, two first guide rods 204 are welded to the left end face of each mounting block 201, a second support block 205 slides on the two left first guide rods 204, and a second support block 205 also slides on the two right first guide rods 204, and the two second support blocks 205 are in contact with the pipe 3.

[0028] Among them, a V-shaped groove is opened on the top of the first support block 203 and the second support block 205, and the pipe 3 is located in the V-shaped groove. Balls 206 are arranged in a linear array in each V-shaped groove, and the balls 206 are in contact with the pipe 3. During use, the contact between the balls 206 and the pipe 3 saves effort when rotating the pipe 3.

[0029] Among them, an adjustment rod 207 is rotatably arranged on the two mounting blocks 201 , and the left end and the right end of the adjustment rod 207 are respectively threadedly connected to the two second supporting blocks 205 , and the thread directions of the left end and the right end of the adjustment rod 207 are opposite.

[0030] Among them, a worm wheel 208 is welded on the adjusting rod 207, a worm 209 is rotated on the base 1, the worm 209 is meshed with the worm wheel 208, a first motor 210 is fixed on the base 1, and the output shaft of the first motor 210 is fixed on the worm 209. When adjusting the two second support blocks 205, the first motor 210 is controlled to rotate. At this time, the rotation of the adjusting rod 207 can be realized under the meshing transmission of the worm 209 and the worm wheel 208, and the synchronous reverse adjustment of the two second support blocks 205 can be realized under the drive of the adjusting rod 207, and the support of pipes 3 of different lengths can be adapted at this time.

[0031] Among them, two driving components 4 are installed on the base 1, and the driving component 4 consists of a first mounting arm 401, a first sliding seat 402, a driving wheel 403, a second motor 404 and a second electric cylinder 405. The first mounting arm 401 is fixed on the top surface of the base 1, and the first mounting arm 401 is an L-shaped structure. A first sliding seat 402 slides on the first mounting arm 401, and a driving wheel 403 rotates on the first sliding seat 402. A second motor 404 is fixed on the first sliding seat 402, and the output shaft of the second motor 404 is fixed on the rotating shaft of the driving wheel 403. The driving wheel 403 is located directly above the pipeline 3.

[0032] Among them, a second electric cylinder 405 is fixed on the first mounting arm 401, and the protruding end of the second electric cylinder 405 is fixed on the first sliding seat 402. When the pipe 3 is driven to rotate, the second electric cylinder 405 is controlled to extend until the driving wheel 403 contacts the outer wall of the pipe 3, and the second motor 404 is controlled to rotate. The second motor 404 drives the driving wheel 403 to rotate. Under the drive of the driving wheel 403, the pipe 3 can be rotated, which facilitates rotary welding.

[0033] Among them, a grinding assembly 5 is installed on the base 1, and the grinding assembly 5 consists of a second mounting arm 501, a second sliding seat 502, a third electric cylinder 503, a spring rod 504, a fixed block 505, a grinding block 506 and a scale 507. A second mounting arm 501 with the same L-shaped structure is fixed on the top surface of the base 1, a second sliding seat 502 slides on the second mounting arm 501, a third electric cylinder 503 is fixed on the second mounting arm 501, and the protruding end of the third electric cylinder 503 is fixed on the second sliding seat 502.

[0034] Among them, two spring rods 504 are fixed to the bottom end surface of the second sliding seat 502, and the protruding ends of the two spring rods 504 are fixed on the fixed block 505. A grinding block 506 is fixed to the bottom end surface of the fixed block 505. The grinding block 506 is located directly above the pipe 3, and controls the two third electric cylinders 503 to extend until the grinding block 506 elastically contacts the outer wall of the pipe 3. During the rotation of the pipe 3, the outer wall of the welding part of the pipe 3 can be polished by the grinding block 506, thereby ensuring the subsequent welding quality.

[0035] Among them, a scale 507 is fixed on the top surface of the second sliding seat 502, and the scale 507 passes through the second mounting arm 501. When the strength test of the welded pipe 3 is carried out, the four first electric cylinders 202 are controlled to contract. At this time, the first support block 203 is separated from the pipe 3, and the two third electric cylinders 503 are controlled to extend. Under the squeezing of the grinding block 506, the strength test of the pipe 3 after welding can be realized, and the test value can refer to the scale on the scale 507.

[0036] Embodiment 2: On the basis of the first embodiment, it also includes: an adjustment component 6 is installed on the second mounting arm 501, and the adjustment component 6 is composed of a base body 601, a third guide rod 602, a clamping arm 603 and a fourth electric cylinder 604. A base body 601 is fixed on the front end face of the second mounting arm 501, and a third guide rod 602 is welded to the left and right end faces of the base body 601. A clamping arm 603 with an L-shaped structure is slid on the two third guide rods 602, and the two clamping arms 603 are respectively located on the outsides of the two pipes 3; a fourth electric cylinder 604 is fixed to the left and right end faces of the base body 601, and the protruding ends of the two fourth electric cylinders 604 are respectively fixed on the two clamping arms 603. When the two pipes 3 are docked, the two fourth electric cylinders 604 are controlled to contract, and the two clamping arms 603 move inwards driven by the two fourth electric cylinders 604 to push the pipes 3 to complete the docking.

[0037] The specific usage and function of this embodiment are as follows: Place two pipes 3 on the first support block 203 and the second support block 205, and then adjust the position of the second support block 205 according to the length of the pipe 3. When adjusting the two second support blocks 205, control the first motor 210 to rotate. At this time, the adjustment rod 207 can be rotated under the meshing transmission of the worm 209 and the worm wheel 208. The two second support blocks 205 can be synchronously adjusted in the opposite direction under the drive of the adjustment rod 207. At this time, it can adapt to the support of pipes 3 of different lengths. When docking the two pipes 3, control the two fourth electric cylinders 604 to contract. Driven by the two fourth electric cylinders 604, the two clamping arms 603 move inward to push the pipes 3 to complete the docking. After docking, control the two fourth electric cylinders 604 to extend 0.1 cm, and then drive the pipe 3 to rotate, and control the second electric cylinder 4 05 is extended until the driving wheel 403 contacts the outer wall of the pipe 3, and the second motor 404 is controlled to rotate. The second motor 404 drives the driving wheel 403 to rotate. Under the drive of the driving wheel 403, the pipe 3 can be rotated. At the same time, the two third electric cylinders 503 are controlled to extend until the grinding block 506 elastically contacts the outer wall of the pipe 3. During the rotation of the pipe 3, the outer wall of the welding part of the pipe 3 can be grinded by the grinding block 506, and welding is performed after grinding; when the strength test of the welded pipe 3 is performed, the four first electric cylinders 202 are controlled to contract. At this time, the first supporting block 203 is separated from the pipe 3, and the two third electric cylinders 503 are controlled to extend. Under the squeezing of the grinding block 506, the strength test of the pipe 3 after welding can be realized, and the test value can refer to the scale on the scale 507.

[0038] The above are only specific implementations of the present disclosure, but the protection scope of the present disclosure is not limited thereto, and the protection scope of the present disclosure shall be based on the protection scope of the claims.

Claims

1. A multi-angle welding auxiliary device for fire protection pipes, characterized in that: include: A base (1); a support assembly (2) is mounted on the base (1); the support assembly (2) is composed of a mounting block (201), a first electric cylinder (202), a first support block (203), a first guide rod (204), a second support block (205), a ball (206), an adjustment rod (207), a worm wheel (208), a worm (209) and a first motor (210); two mounting blocks (201) are fixed to the top surface of the base (1); two first electric cylinders (202) are fixed to the top surface of each mounting block (201); the top surfaces of the two first electric cylinders (202) on the left and right sides are fixed to the top surfaces of the two first electric cylinders (202); One end of each mounting block (201) is fixed on a first support block (203), the upper ends of the two first electric cylinders (202) on the right are fixed on another first support block (203), and two pipes (3) are placed on the two first support blocks (203); two first guide rods (204) are welded to the left end surface of each mounting block (201), a second support block (205) slides on the two first guide rods (204) on the left, and a second support block (205) slides on the two first guide rods (204) on the right, and the two second support blocks (205) are in contact with the pipes (3).

2. A multi-angle welding auxiliary device for fire protection pipes as claimed in claim 1, characterized in that: The first support block (203) and the second support block (205) are each provided with a V-shaped groove at the top, the pipe (3) is located in the V-shaped groove, and each V-shaped groove is provided with a linear array of balls (206), the balls (206) being in contact with the pipe (3).

3. A multi-angle welding auxiliary device for fire protection pipes as claimed in claim 2, characterized in that: An adjustment rod (207) is rotatably mounted on the two mounting blocks (201), and the left end and the right end of the adjustment rod (207) are respectively threadedly connected to the two second support blocks (205), and the thread directions of the left end and the right end of the adjustment rod (207) are opposite.

4. A multi-angle welding auxiliary device for fire protection pipes as claimed in claim 3, characterized in that: A worm wheel (208) is welded to the adjustment rod (207), a worm (209) is rotatably mounted on the base (1), the worm (209) is meshed with the worm wheel (208), a first motor (210) is fixed to the base (1), and an output shaft of the first motor (210) is fixed to the worm (209).

5. A multi-angle welding auxiliary device for fire protection pipes as claimed in claim 4, characterized in that: Two driving components (4) are installed on the base (1). The driving components (4) are composed of a first mounting arm (401), a first sliding seat (402), a driving wheel (403), a second motor (404) and a second electric cylinder (405). The first mounting arm (401) is fixed to the top surface of the base (1). The first mounting arm (401) is an L-shaped structure. A first sliding seat (402) slides on the first mounting arm (401). A driving wheel (403) rotates on the first sliding seat (402). A second motor (404) is fixed on the first sliding seat (402). The output shaft of the second motor (404) is fixed to the rotating shaft of the driving wheel (403). The driving wheel (403) is located directly above the pipeline (3).

6. A multi-angle welding auxiliary device for fire protection pipes as claimed in claim 5, characterized in that: A second electric cylinder (405) is fixed on the first mounting arm (401), and the extended end of the second electric cylinder (405) is fixed on the first sliding seat (402).

7. A multi-angle welding auxiliary device for fire protection pipes as claimed in claim 6, characterized in that: A grinding assembly (5) is mounted on the base (1), and the grinding assembly (5) is composed of a second mounting arm (501), a second sliding seat (502), a third electric cylinder (503), a spring rod (504), a fixing block (505), a grinding block (506) and a scale (507); a second mounting arm (501) having an L-shaped structure is fixed to the top surface of the base (1); a second sliding seat (502) slides on the second mounting arm (501); a third electric cylinder (503) is fixed on the second mounting arm (501); and a protruding end of the third electric cylinder (503) is fixed on the second sliding seat (502).

8. A multi-angle welding auxiliary device for fire protection pipes as claimed in claim 7, characterized in that: Two spring rods (504) are fixed to the bottom end surface of the second sliding seat (502), and the protruding ends of the two spring rods (504) are fixed to a fixed block (505). A grinding block (506) is fixed to the bottom end surface of the fixed block (505), and the grinding block (506) is located directly above the pipe (3).

9. A multi-angle welding auxiliary device for fire protection pipes as claimed in claim 8, characterized in that: A scale (507) is fixed to the top surface of the second sliding seat (502), and the scale (507) passes through the second mounting arm (501).

10. A multi-angle welding auxiliary device for fire protection pipes as claimed in claim 9, characterized in that: An adjustment assembly (6) is installed on the second mounting arm (501), and the adjustment assembly (6) is composed of a seat body (601), a third guide rod (602), a clamping arm (603) and a fourth electric cylinder (604); a seat body (601) is fixed to the front end surface of the second mounting arm (501); a third guide rod (602) is welded to the left and right end surfaces of the seat body (601); an L-shaped clamping arm (603) is slidably mounted on the two third guide rods (602); the two clamping arms (603) are respectively located on the outside of the two pipes (3); a fourth electric cylinder (604) is fixed to the left and right end surfaces of the seat body (601); and the protruding ends of the two fourth electric cylinders (604) are respectively fixed to the two clamping arms (603).

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