Auxiliary clamp for welding chemical pipeline

Abstract

The utility model relates to the technical field of chemical pipeline welding auxiliary clamps, and discloses a chemical pipeline welding auxiliary clamp which comprises a movable seat, sleeves are arranged on the left side and the right side of the top of the movable seat respectively, and extension rods with one ends extending to the tops of the sleeves are arranged on the inner walls of the sleeves respectively. A mounting plate with one end fixedly connected with the top of the right extension rod is arranged at the top of the left extension rod, and an adjusting assembly slidably connected with the bottom of the mounting plate is arranged at the top of the moving seat. According to the chemical pipeline welding auxiliary clamp, by arranging the rotating assembly, a second stepping motor, a second bevel gear and a first bevel gear are used in cooperation, a rotating rod drives two second gears to rotate, and then the second gears and the first gear are used in cooperation, so that a fixing sleeve drives a chemical pipeline to rotate; and therefore, manual direction rotation is not needed, the welding efficiency of the chemical pipeline can be improved, the practicability of the device is further improved, and workers can use the device conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical pipeline welding auxiliary clamps, in particular to a chemical pipeline welding auxiliary clamp. Background Art

[0002] In the process of using chemical pipelines, due to the long distance, it is impossible to use a long pipe. Many pipes need to be connected together. Where the pipes are connected, they need to be welded together. Therefore, chemical pipeline welding auxiliary clamps are needed.

[0003] The reference authorization number is "CN212398691U", and the name is "A petrochemical pipeline welding clamp". Although this application solves the problem that "most of the current clamps have complex structures, are difficult to operate, and slide during the clamping process, resulting in too large welds and affecting the welding quality", the above-mentioned device still has some defects when used. For example, its height cannot be adjusted and cannot be adapted to welding tools of different heights. At the same time, the above-mentioned device cannot be rotated. After welding half of the chemical pipeline, it is necessary to manually rotate the direction to weld the other side, which is time-consuming and labor-intensive, affecting the welding efficiency. Therefore, a chemical pipeline welding auxiliary clamp is proposed to solve the above-mentioned technical problems. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the shortcomings of the prior art, the utility model provides a chemical pipeline welding auxiliary clamp, which has the advantages of being able to adapt to welding tools of different heights and improving welding efficiency, and solves some defects that still exist in the above-mentioned device when in use, such as its height cannot be adjusted and cannot be adapted to welding tools of different heights. At the same time, the above-mentioned device cannot be rotated. After welding half of the chemical pipeline, it is necessary to manually rotate the direction to weld the other side, which is time-consuming and labor-intensive, and affects the welding efficiency.

[0006] (II) Technical solution

[0007] In order to achieve the above-mentioned purpose of being able to adapt to welding tools of different heights and improving welding efficiency, the utility model provides the following technical solutions: a chemical pipeline welding auxiliary clamp, comprising a movable seat, sleeves are arranged on the left and right sides of the top of the movable seat, the inner walls of the two sleeves are arranged with extension rods with one end extending to the top thereof, the top of the left extension rod is arranged with a mounting plate with one end fixedly connected to the top of the right extension rod, the top of the movable seat is arranged with an adjustment component slidably connected to the bottom of the mounting plate, the top of the mounting plate is arranged with two U-shaped seats in left-right symmetrical distribution, the inside of the two U-shaped seats are arranged with a clamp assembly, a rotating component fixedly connected to the top of the mounting plate is arranged between the two U-shaped seats, and the rotating component is connected to the outside of the two clamp assemblies;

[0008] The adjusting assembly includes a positioning block, positioning blocks are arranged on the left and right sides of the top of the moving seat, the two positioning blocks are located between the two sleeves, the top of the moving seat is provided with a first stepper motor located on the right side of the right positioning block, the output shaft of the first stepper motor is provided with a threaded rod rotatably connected to the right side wall of the left positioning block, the outside of the threaded rod is provided with two threaded blocks symmetrically distributed on the left and right sides, the two threaded blocks are connected to the top of the moving seat, the bottom of the mounting plate is provided with two sliders symmetrically distributed on the left and right sides, the top of the left threaded block is provided with an X-shaped connecting rod with one end hinged to the top of the right threaded block, and the left and right sides of the top of the X-shaped connecting rod are respectively hinged to the bottoms of the two sliders;

[0009] The clamp assembly includes a bearing sleeve, the two U-shaped seats are each provided with a bearing sleeve inside, the left and right sides of the bearing sleeve respectively extend to the left and right sides of the U-shaped seat, the inner wall of the bearing sleeve is provided with a fixed sleeve, the top of the fixed sleeve is provided with a threaded shaft with one end extending to the inside thereof, the two threaded shafts are respectively located at opposite sides of the two U-shaped seats, the bottom of the threaded shaft is provided with a stabilizing block, the outside of the fixed sleeve is provided with a first gear, and the two first gears are located between the two U-shaped seats;

[0010] The rotating assembly includes a rotating rod, a rotating rod is arranged between the two U-shaped seats, a first bevel gear is arranged on the outside of the rotating rod, two second gears are arranged on the outside of the rotating rod and are respectively located on the left and right sides of the first bevel gear, the two second gears are respectively connected to the outside of the two first gears, a second stepper motor located between the two U-shaped seats is arranged on the top of the mounting plate, and a second bevel gear meshing with the outside of the first bevel gear is arranged at the output shaft of the second stepper motor.

[0011] Preferably, two universal wheels are fixedly connected to the left and right sides of the bottom of the movable seat and are symmetrically distributed frontward and rearward.

[0012] Preferably, the outside of the threaded rod is provided with two sections of threads in opposite directions, and the two sections of threads are equal in length.

[0013] Preferably, a slide groove adapted to the moving track of the slider is provided at the bottom of the mounting plate, and the number of the slide grooves is two and they are symmetrically distributed left and right.

[0014] Preferably, the interior of the fixed sleeve is hollow and the left and right side walls thereof are both designed to be open, and the tops of the two threaded shafts are fixedly connected with circular rotating disks.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the utility model provides a chemical pipeline welding auxiliary clamp, which has the following beneficial effects:

[0017] 1. The chemical pipeline welding auxiliary fixture is provided with an adjustment component. The first stepper motor, a threaded rod, two threaded blocks, an X-shaped connecting rod and a slider are used in coordination, so that the mounting plate drives the fixture component to adjust the height, thereby realizing the adaptability to welding tools of different heights, thereby improving the practicability of the device.

[0018] 2. The chemical pipeline welding auxiliary fixture is provided with a rotating component. The second stepper motor, the second bevel gear and the first bevel gear are used in cooperation, so that the rotating rod drives the two second gears to rotate, and then the second gear and the first gear are used in cooperation, so that the fixed sleeve drives the chemical pipeline to rotate, and there is no need to manually rotate the direction, which can improve the welding efficiency of the chemical pipeline and further improve the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a front view cross-sectional schematic diagram of the utility model;

[0020] Figure 2 It is a partial right view schematic diagram of the connection between the U-shaped seat and the clamp assembly of the utility model.

[0021] In the figure: 1. moving seat; 2. sleeve; 3. extension rod; 4. mounting plate; 5. adjustment assembly; 51. positioning block; 52. first stepper motor; 53. threaded rod; 54. threaded block; 55. slider; 56. X-shaped connecting rod; 6. U-shaped seat; 7. clamp assembly; 71. bearing sleeve; 72. fixed sleeve; 73. threaded shaft; 74. stabilizing block; 75. first gear; 8. rotating assembly; 81. rotating rod; 82. first bevel gear; 83. second gear; 84. second stepper motor; 85. second bevel gear. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-2 A chemical pipeline welding auxiliary fixture comprises a moving seat 1, two universal wheels symmetrically distributed frontward and rearward are fixedly connected to the left and right sides of the bottom of the moving seat 1, sleeves 2 are fixedly connected to the left and right sides of the top of the moving seat 1, the inner walls of the two sleeves 2 are slidably connected to an extension rod 3 with one end extending to the top thereof, the top of the left extension rod 3 is fixedly connected to a mounting plate 4 with one end fixedly connected to the top of the right extension rod 3, the top of the moving seat 1 is movably connected to an adjustment component 5 slidably connected to the bottom of the mounting plate 4, the adjustment component 5 comprises a positioning block 51, the left and right sides of the top of the moving seat 1 are fixedly connected to the positioning blocks 51, the two positioning blocks 51 are located between the two sleeves 2, the top of the moving seat 1 is fixedly connected to a first stepping motor 52 located on the right side of the right positioning block 51, the first step A threaded rod 53 is fixedly connected to the output shaft of the input motor 52 and is rotatably connected to the right side wall of the left positioning block 51. The outside of the threaded rod 53 is provided with two sections of threads in opposite directions, and the two sections of threads are equal in length. The external threads of the threaded rod 53 are connected with two threaded blocks 54 that are symmetrically distributed on the left and right sides. The two threaded blocks 54 are both slidably connected to the top of the moving seat 1. The bottom of the mounting plate 4 is slidably connected with two sliders 55 that are symmetrically distributed on the left and right sides. The bottom of the mounting plate 4 is provided with a slide groove that is compatible with the moving trajectory of the slider 55. The number of the slide grooves is two and is symmetrically distributed on the left and right sides. The top of the left threaded block 54 is hinged with an X-shaped connecting rod 56, one end of which is hinged to the top of the right threaded block 54. The left and right sides of the top of the X-shaped connecting rod 56 are respectively hinged to the bottom of the two sliders 55.

[0024] Two U-shaped seats 6 symmetrically distributed on the left and right are fixedly connected to the top of the mounting plate 4, and the inside of the two U-shaped seats 6 are fixedly connected with a clamp assembly 7, and the clamp assembly 7 includes a bearing sleeve 71, and the inside of the two U-shaped seats 6 are fixedly connected with the bearing sleeve 71, and the left and right sides of the bearing sleeve 71 extend to the left and right sides of the U-shaped seat 6 respectively, and the inner wall of the bearing sleeve 71 is fixedly connected with a fixed sleeve 72, and the top of the fixed sleeve 72 is threadedly connected to a threaded shaft 73 with one end extending into the inside thereof, the interior of the fixed sleeve 72 is hollow and the left and right side walls thereof are both open-shaped, and the tops of the two threaded shafts 73 are fixedly connected with circular rotating disks, and the two threaded shafts 73 are respectively located on the opposite sides of the two U-shaped seats 6, and the bottom of the threaded shaft 73 is fixedly connected with a stabilizing block 74, and the outside of the fixed sleeve 72 is fixedly connected with a first gear 75, and the two first gears 75 are located between the two U-shaped seats 6.

[0025] A rotating assembly 8 fixedly connected to the top of the mounting plate 4 is rotatably connected between the two U-shaped seats 6, and the rotating assembly 8 is meshed with the outside of the two clamp assemblies 7. The rotating assembly 8 includes a rotating rod 81, and a rotating rod 81 is rotatably connected between the two U-shaped seats 6. The outside of the rotating rod 81 is fixedly connected to a first bevel gear 82, and the outside of the rotating rod 81 is fixedly connected to two second gears 83 located on the left and right sides of the first bevel gear 82, respectively. The two second gears 83 are respectively meshed with the outside of the two first gears 75, and a second stepper motor 84 located between the two U-shaped seats 6 is fixedly connected to the top of the mounting plate 4, and a second bevel gear 85 meshing with the outside of the first bevel gear 82 is fixedly connected to the output shaft of the second stepper motor 84.

[0026] When in use, the first stepper motor 52 is started to drive the threaded rod 53 to rotate through the output shaft, so that the two threaded blocks 54 move relative to each other. Under the cooperation of the two threaded blocks 54, the X-shaped connecting rod 56 and the slider 55, the mounting plate 4 drives the clamp assembly 7 to adjust its height.

[0027] The pipeline is passed through the two fixed sleeves 72 until the opposite sides of the two pipelines are in contact and fit together, and then the threaded shaft 73 is rotated to drive the stabilizing block 74 to move down to fix the pipeline. When one side of the pipeline is welded, the second stepper motor 84 is started to drive the second bevel gear 85 to rotate through the output shaft. The second bevel gear 85 and the first bevel gear 82 are used in conjunction with each other, so that the rotating rod 81 drives the two second gears 83 to rotate, and then the second gear 83 and the first gear 75 are used in conjunction with each other, so that the fixed sleeve 72 drives the chemical pipeline to rotate to weld the other side.

[0028] It is worth noting that the first stepper motor 52 and the second stepper motor 84 appearing in the present application document are both externally connected to a control switch and a driving power supply, and the first stepper motor 52 and the second stepper motor 84 are both conventionally known devices, and the standard parts used in the present application document can be purchased from the market. The specific connection method of each part is connected by conventional means such as mature bolts, rivets, welding, etc. in the prior art, and the machinery, parts and equipment are all conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art. The contents not described in detail in the description belong to the prior art known to professional and technical personnel in this field, and will not be described in detail here.

[0029] In summary, the chemical pipeline welding auxiliary clamp, by setting the adjustment component 5, the first stepper motor 52, the threaded rod 53, the two threaded blocks 54, the X-shaped connecting rod 56 and the slider 55 are used in cooperation, so that the mounting plate 4 drives the clamp component 7 to adjust the height, thereby realizing the adaptability to welding tools of different heights, and improving the practicality of the device, by setting the rotating component 8, the second stepper motor 84, the second bevel gear 85 and the first bevel gear 82 are used in cooperation, so that the rotating rod 81 drives the two second gears 83 to rotate, and then the second gear 83 and the first gear 75 are used in cooperation, so that the fixed sleeve 72 drives the chemical pipeline to rotate, and then there is no need to manually rotate the direction, which can improve the welding efficiency of the chemical pipeline, further improve the practicality of the device, and solve the problem that some defects of the above-mentioned device still exist when in use, such as its height cannot be adjusted and cannot be adapted to welding tools of different heights, and the above-mentioned device cannot be rotated. After welding half of the chemical pipeline, it is necessary to manually rotate the direction to weld the other side, which is time-consuming and labor-intensive, affecting the welding efficiency.

[0030] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A chemical pipeline welding auxiliary fixture, comprising a movable seat (1), characterized in that: The top of the movable seat (1) is provided with sleeves (2) on both left and right sides, the inner walls of the two sleeves (2) are provided with extension rods (3) with one end extending to the top thereof, the top of the left extension rod (3) is provided with a mounting plate (4) with one end fixedly connected to the top of the right extension rod (3), the top of the movable seat (1) is provided with an adjustment component (5) slidably connected to the bottom of the mounting plate (4), the top of the mounting plate (4) is provided with two U-shaped seats (6) symmetrically distributed on the left and right, the inside of the two U-shaped seats (6) is provided with a clamping component (7), a rotating component (8) fixedly connected to the top of the mounting plate (4) is provided between the two U-shaped seats (6), and the rotating component (8) is connected to the outside of the two clamping components (7); The adjustment assembly (5) comprises a positioning block (51), and positioning blocks (51) are arranged on both left and right sides of the top of the moving seat (1), and the two positioning blocks (51) are located between the two sleeves (2). A first stepper motor (52) is arranged on the top of the moving seat (1) and is located on the right side of the right positioning block (51). A threaded rod (53) rotatably connected to the right side wall of the left positioning block (51) is arranged at the output shaft of the first stepper motor (52). Two threaded blocks (54) symmetrically distributed are arranged on the outside of the threaded rod (53), and the two threaded blocks (54) are connected to the top of the moving seat (1). Two sliders (55) symmetrically distributed are arranged at the bottom of the mounting plate (4), and an X-shaped connecting rod (56) having one end hinged to the top of the right threaded block (54) is arranged on the top of the left threaded block (54), and the left and right sides of the top of the X-shaped connecting rod (56) are respectively hinged to the bottoms of the two sliders (55); The clamp assembly (7) comprises a bearing sleeve (71), the inside of each of the two U-shaped seats (6) is provided with a bearing sleeve (71), the left and right sides of the bearing sleeve (71) respectively extend to the left and right sides of the U-shaped seat (6), the inner wall of the bearing sleeve (71) is provided with a fixed sleeve (72), the top of the fixed sleeve (72) is provided with a threaded shaft (73) with one end extending into the inside thereof, the two threaded shafts (73) are respectively located at opposite sides of the two U-shaped seats (6), the bottom of the threaded shaft (73) is provided with a stabilizing block (74), the outside of the fixed sleeve (72) is provided with a first gear (75), and the two first gears (75) are located between the two U-shaped seats (6); The rotating assembly (8) comprises a rotating rod (81), the rotating rod (81) being arranged between the two U-shaped seats (6), the first bevel gear (82) being arranged outside the rotating rod (81), two second gears (83) being arranged outside the rotating rod (81) and being respectively located on the left and right sides of the first bevel gear (82), the two second gears (83) being respectively connected to the outside of the two first gears (75), the second stepping motor (84) being arranged between the two U-shaped seats (6) at the top of the mounting plate (4), and the second bevel gear (85) meshing with the outside of the first bevel gear (82) being arranged at the output shaft of the second stepping motor (84).

2. The chemical pipeline welding auxiliary fixture according to claim 1 is characterized in that: Two universal wheels, which are symmetrically distributed frontward and rearward, are fixedly connected to the left and right sides of the bottom of the movable seat (1).

3. The chemical pipeline welding auxiliary fixture according to claim 1 is characterized in that: The threaded rod (53) is provided with two sections of threads in opposite directions on the outside, and the two sections of threads are equal in length.

4. The chemical pipeline welding auxiliary fixture according to claim 1 is characterized in that: The bottom of the mounting plate (4) is provided with a slide groove adapted to the moving track of the slider (55), and the number of the slide grooves is two and they are symmetrically distributed on the left and right.

5. The chemical pipeline welding auxiliary fixture according to claim 1 is characterized in that: The interior of the fixed sleeve (72) is hollow and the left and right side walls thereof are both designed to be open. The tops of the two threaded shafts (73) are both fixedly connected with circular rotating disks.

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