Butt joint device for gas pipeline

Abstract

The invention provides a butt joint device for gas pipelines, and belongs to the technical field of pipeline machining. Comprising a workbench, the top end of the workbench is provided with a first butt joint shell and a second butt joint shell, and an operation hole is formed between the first butt joint shell and the second butt joint shell; a first annular groove and a third annular groove are formed in the first butt joint shell, a second annular groove is formed in the first butt joint shell, a first pressing mechanism is arranged in the first annular groove, a second pressing mechanism is arranged in the second annular groove, and the first pressing mechanism and the second pressing mechanism are used for fixing a pipeline. According to the butt joint device for the gas pipelines, the pipelines are fixed in the pipeline clamping seats respectively, and the pipeline clamping seats are pushed, so that the butt joint ends of the two pipelines can be conveniently moved into the operation hole; and then the baking gun is fixed through the clamping component, the outer gear ring rotates to drive the baking gun to rotate around the butt joint end of the pipeline, the baking gun continuously preheats the butt joint end of the pipeline, manpower is saved, and the preheating efficiency is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of pipeline processing, and in particular relates to a butt joint device for a gas pipeline. Background Art

[0002] The Chinese patent, application number 202122054862.0, discloses a gas pipeline welding docking device, which places two gas pipelines on a pre-fixing plate and a first clamping plate, then closes the second clamping plate, and tightens the bolts on the fixing member, so that the two gas pipelines are firmly fixed, and the welding surfaces of the two gas pipelines are in a vertical position; then the motor is started, the lead screw rotates, and the two sliders approach each other until the welding surfaces of the two gas pipelines are tightly fitted, and the motor is turned off to perform welding;

[0003] However, after the existing gas pipelines are butt-jointed, the butt ends of the pipelines need to be preheated, and the common preheating method is manual operation, in which the staff holds a heating gun and heats the butt ends of the pipelines to make the pipelines evenly heated; but since the preheating needs to be performed along the butt joint, it is difficult for the staff to continuously preheat the butt joints of the pipelines; and when the pipelines are butt-jointed, a butt jointer is also used to butt the pipelines, which further hinders the staff from continuously preheating the butt joints, and is less practical. Summary of the invention

[0004] In order to solve the problem of the inconvenience of continuously preheating the butt end of the pipeline in the above-mentioned prior art, the present invention provides a butt joint device for a gas pipeline, which adopts an external gear ring combined with a clamping component to achieve the effect of continuously preheating the butt end of the pipeline. Its specific technical scheme is as follows: a butt joint device for a gas pipeline comprises: a workbench, a butt joint shell 1 and a butt joint shell 2 are arranged on the top of the workbench, and an operating hole is opened between the butt joint shell 1 and the butt joint shell 2; an annular groove 1 and an annular groove 3 are respectively opened inside the butt joint shell 1, an annular groove 2 is opened inside the butt joint shell 1, and a clamping mechanism is arranged inside the annular groove 1 1. A clamping mechanism 2 is provided in the annular groove 2, and the clamping mechanism 1 and the clamping mechanism 2 are used to fix the pipeline; an outer toothed ring is rotatably connected in the annular groove 3, a side box body is fixedly installed on the front end of the docking shell 1, a rotating shaft is rotatably connected in the side box body, a gear is fixedly sleeved on the outer wall of the rotating shaft, the gear is meshed with the outer toothed ring, a clamping component is fixedly installed on the surface of the outer toothed ring, one end of the clamping component away from the outer toothed ring extends to the center hole of the docking shell 1, one end of the clamping component away from the outer toothed ring is located in the working hole, and the clamping component is used to fix the roasting gun.

[0005] Preferably, a support frame 1 is fixedly installed on the bottom end of the docking shell 1, and the support frame 1 is fixedly installed on the top of the workbench, and a support frame 2 is fixedly installed on the bottom end of the docking shell 2, and the support frame 2 is fixedly installed on the top of the workbench, and the docking shell 1 is arranged parallel to the docking shell 2; a connecting block is fixedly connected between the docking shell 1 and the docking shell 2, and the connecting block is located at the top between the docking shell 1 and the docking shell 2.

[0006] Preferably, a support plate is fixedly mounted on one side outer wall of the side box body, a motor is fixedly mounted on the top of the support plate, one end of the rotating shaft rotates and extends out of the side box body, and the output end of the motor is connected to the rotating shaft.

[0007] Preferably, the clamping mechanism comprises: a wide gear, an inner gear ring, a slide groove, a rack and a pressure roller, wherein a plurality of connecting shafts are rotatably connected in the annular groove at equal angles, a wide gear is fixedly mounted on the outer wall of the connecting shaft, an inner gear ring is rotatably connected on one side inner wall of the annular groove, a plurality of wide gears are meshed with the inner gear ring, a plurality of slide grooves are opened at equal angles on the central hole wall of the docking shell, the slide groove is communicated with the annular groove, a rack is slidably connected in the slide groove, the rack corresponds to the wide gear one one-to-one, the rack is meshed with the wide gear, one end of the rack extends into the central hole of the docking shell, a rolling wheel is fixedly mounted on one end of the rack, the rolling wheel is located in the central hole of the docking shell, the inner gear ring and the rack are respectively located on both sides of the annular groove.

[0008] Preferably, an arc-shaped opening is opened along an arc direction between the annular groove and the outer wall of the docking shell, an extension plate is slidably connected in the arc direction inside the arc opening, one end of the extension plate is fixedly connected to the inner gear ring, and the other end of the extension plate extends out of the arc-shaped opening, a side plate is fixedly installed at the rear end of the docking shell, a hydraulic cylinder is hinged at the top end of the side plate, an output shaft is installed at the output end of the hydraulic cylinder, and the output shaft is rotatably connected to the extension plate.

[0009] Preferably, a plurality of slide grooves 2 are equidistantly opened on the inner wall of the annular groove 1 away from the center hole of the docking shell 1, the slide groove 1 corresponds one-to-one with the slide groove 2, the rack 1 corresponds one-to-one with the slide groove 2, and the end of the rack 1 away from the rolling wheel 1 is slidably connected in the slide groove 2.

[0010] Preferably, the clamping mechanism two comprises: a wide gear two, an inner gear ring two, a slide groove three, a rack two and a pressure roller two, the circular groove two being rotatably connected with a plurality of connecting shafts two at equal angles, the outer wall of the connecting shaft two being fixedly sleeved with a wide gear two, an inner gear ring two being rotatably connected on one side inner wall of the circular groove two, a plurality of the wide gears two being meshed with the inner gear ring two, a plurality of slide grooves three being opened at equal angles on the central hole wall of the docking shell two, the slide groove three being communicated with the circular groove two, a rack two being slidably connected in the slide groove three, the rack two corresponding to the wide gear two one-to-one, the rack two being meshed with the wide gear two, one end of the rack two extending into the central hole of the docking shell two, a rolling wheel two being fixedly installed on one end of the rack two, the rolling wheel two being located in the central hole of the docking shell two, the inner gear ring two and the rack two being respectively located on both sides of the circular groove two.

[0011] Preferably, two arc-shaped openings are opened along the arc direction between the second annular groove and the outer wall of the second docking shell, and two extension plates are slidably connected in the second arc-shaped opening along the arc direction, one end of the second extension plate is fixedly connected to the second inner gear ring, and the other end of the second extension plate extends out of the second arc-shaped opening, and two side plates are fixedly installed at the rear end of the second docking shell, and two hydraulic cylinders are hinged at the top end of the two side plates, and two output shafts are installed at the output end of the two hydraulic cylinders, and the two output shafts are rotatably connected to the two extension plates.

[0012] Preferably, a plurality of slide grooves four are equidistantly opened on the inner wall of the annular groove two away from the center hole of the docking shell two, the slide groove three corresponds one-to-one with the slide groove four, the rack two corresponds one-to-one with the slide groove four, and the end of the rack two away from the rolling wheel two is slidably connected in the slide groove four.

[0013] Preferably, a plurality of rotating rods are connected to the inner wall of the circular groove three so as to rotate at equal angles in the horizontal direction, and an auxiliary wheel is fixedly mounted on the outer wall of the rotating rod, and the plurality of auxiliary wheels are in contact with the outer gear ring.

[0014] Preferably, an arc-shaped hole is opened on the central hole wall of the docking shell, the arc-shaped hole is arranged parallel to the working hole, and the arc-shaped hole is opened along the arc direction, the clamping component includes: a bending plate and an electric-controlled clamp, a bending plate is fixedly installed on the surface of the outer gear ring, the bending plate is slidably connected in the arc-shaped hole, an end of the bending plate away from the outer gear ring is fixedly installed with an electric-controlled clamp, and the electric-controlled clamp is located at the working hole.

[0015] Preferably, two groups of mounting seats are symmetrically installed on the top of the workbench, and the two groups of mounting seats are symmetrically arranged along the front-to-back direction. The number of mounting seats in each group is two, and a sliding rod is fixedly installed between the two mounting seats. Two pipe clamping seats are slidably mounted between the two sliding rods, and the two pipe clamping seats are located on both sides of the docking shell one and the docking shell two.

[0016] In addition, the gas pipeline docking device in the above technical solution provided by the present invention may also have the following characteristics: movable wheels are installed at the four corners of the bottom end of the workbench.

[0017] Compared with the prior art, the gas pipeline docking device of the present invention has the following beneficial effects:

[0018] 1. The gas pipeline docking device fixes the pipelines in the pipeline clamping seats respectively and pushes the pipeline clamping seats to facilitate moving the butt ends of the two pipelines into the working hole; then the baking gun is fixed by the clamping component, and the outer gear ring is rotated to drive the baking gun to rotate around the butt end of the pipeline, so that the baking gun continuously preheats the butt end of the pipeline, saving manpower and improving preheating efficiency;

[0019] 2. The gas pipeline docking device drives the rotating shaft to rotate through the motor, so that the rotating shaft drives the gear to mesh with the outer gear ring, thereby driving the outer gear ring to rotate, so that the baking gun preheats the pipeline;

[0020] 3. The gas pipeline docking device starts hydraulic cylinder 1 and hydraulic cylinder 2 to move rack 1 and rack 2 toward the pipeline, and clamps and fixes the two pipelines through rolling wheels 1 and rolling wheels 2 to avoid displacement of the docking ends of the two pipelines when the pipelines are preheated and welded. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A schematic diagram of the three-dimensional structure of the gas pipeline docking device provided by the present invention;

[0022] Figure 2 A first cross-sectional schematic diagram of a docking shell 1 provided by the present invention;

[0023] Figure 3 A first cross-sectional schematic diagram of the docking shell 2 provided by the present invention;

[0024] Figure 4 A second cross-sectional schematic diagram of the docking shell 1 provided by the present invention;

[0025] Figure 5 A schematic diagram of the structure of the clamping component provided by the present invention;

[0026] Figure 6 A third cross-sectional schematic diagram of the docking shell 1 provided by the present invention;

[0027] Figure 7 for Figure 6 A magnified image of point A;

[0028] Figure 8 A second cross-sectional schematic diagram of the docking shell 2 provided by the present invention;

[0029] Fig. 9 for Figure 8 A magnified view of point B;

[0030] in, Figures 1 to 9 The reference numerals and component names are: 1, workbench, 2, support frame 1, 3, support frame 2, 4, docking shell 1, 5, docking shell 2, 6, connecting block, 7, working hole, 8, circular groove 1, 9, circular groove 2, 10, circular groove 3, 11, outer gear ring, 12, clamping component, 13, side box body, 14, rotating shaft, 15, gear, 16, motor, 17, support plate, 18, mounting seat, 19, sliding rod, 20, pipe clamping seat, 21, moving wheel, 22, rotating rod, 23, auxiliary wheel, 24, arc hole, 81, connecting shaft 1, 82, wide gear 1, 83. One inner gear ring, 84. One arc-shaped opening, 85. One extension plate, 86. One side plate, 87. One hydraulic cylinder, 88. One output shaft, 89. One slide, 810. Two slides, 811. One rack, 812. One rolling wheel, 91. Two connecting shafts, 92. Two wide gears, 93. Two inner gear rings, 94. Two arc-shaped openings, 95. Two extension plates, 96. Two side plates, 97. Two hydraulic cylinders, 98. Two output shafts, 99. Three slides, 910. Four slides, 911. Two racks, 912. Two rolling wheels, 121. Bending plates, 122. Electric control fixture. DETAILED DESCRIPTION

[0031] The following is a combination of specific implementation cases and attached Figure 1-Figure 9 The present invention is further described, but the present invention is not limited to these embodiments. The present invention provides a technical solution: a docking device for a gas pipeline, comprising: a workbench 1, a docking shell 1 4 and a docking shell 2 5 are arranged on the top of the workbench 1, the docking shell 1 4 and the docking shell 2 5 are both annular structures, the docking shell 1 4 and the docking shell 2 5 are the same size, an operation hole 7 is opened between the docking shell 1 4 and the docking shell 2 5, the operation hole 7 is a vertical plane space between the docking shell 1 4 and the docking shell 2 5, and the operation hole 7 is used to set a roasting gun and enable the roasting gun to move;

[0032] The interior of the docking shell 1 4 is respectively provided with an annular groove 1 8 and an annular groove 3 10, the annular groove 1 8 and the annular groove 3 10 are located on both sides of the interior of the docking shell 1 4, the annular groove 1 8 and the annular groove 3 10 are arranged in parallel, the interior of the docking shell 1 4 is provided with an annular groove 2 9, the annular groove 1 8 and the annular groove 2 9 are arranged symmetrically, a clamping mechanism 1 is arranged in the annular groove 1 8, and a clamping mechanism 2 is arranged in the annular groove 2 9, and the clamping mechanism 1 and the clamping mechanism 2 are used to fix the pipeline;

[0033] An outer gear ring 11 is rotatably connected in the annular groove 3 10, and the outer gear ring 11 is a ring with gears arranged on the outer circular wall. A side box body 13 is fixedly installed at the front end of the docking shell 4, and a rotating shaft 14 is rotatably connected in the side box body 13. The rotating shaft 14 is arranged in the horizontal direction, and a gear 15 is fixedly sleeved on the outer wall of the rotating shaft 14. The gear 15 is meshed with the outer gear ring 11. A clamping component 12 is fixedly installed on the outer wall of one side of the outer gear ring 11, and one end of the clamping component 12 away from the outer gear ring 11 extends to the center hole of the docking shell 4, and one end of the clamping component 12 away from the outer gear ring 11 is located in the working hole 7, and the clamping component 12 is used to fix the roasting gun.

[0034] As a preferred solution, further, a support frame 2 is fixedly installed on the bottom end of the docking shell 4, and the support frame 2 is fixedly installed on the top of the workbench 1 by bolts; a support frame 23 is fixedly installed on the bottom end of the docking shell 5, and the support frame 23 is fixedly installed on the top of the workbench 1 by bolts; the docking shell 14 and the docking shell 25 are arranged in parallel; a connecting block 6 is fixedly connected between the docking shell 14 and the docking shell 25, and the connecting block 6 is located at the top between the docking shell 14 and the docking shell 25, and the connecting block 6 makes the docking shell 14 and the docking shell 25 form an integrated structure, so that the two are relatively stable.

[0035] As a preferred solution, further, a support plate 17 is fixedly installed on the outer wall of one side of the side box body 13, and a motor 16 is fixedly installed on the top of the support plate 17. One end of the rotating shaft 14 rotates and extends out of the side box body 13, and the output end of the motor 16 is connected to the rotating shaft 14; the motor 16 does not drive the outer gear ring 11 to rotate one circle each time, and the rotation range is from one end of the connecting block 6 to the other end of the connecting block 6.

[0036] As a preferred solution, further, the clamping mechanism 1 includes: a wide gear 82, an inner gear ring 83, a slide groove 89, a rack 811 and a pressure roller 812. Six connecting shafts 81 are rotatably connected in the circular groove 8 at equal angles. A wide gear 82 is fixedly mounted on the outer wall of the connecting shaft 81. An inner gear ring 83 is rotatably connected on one side of the inner wall of the circular groove 8. The inner gear ring 83 is a circular ring structure. A toothed part is arranged on the inner circular wall of the inner gear ring 83. The six wide gears 82 are meshed with the inner gear ring 83. Six slide grooves 89 are provided at equal angles on the central hole wall of the docking shell 4. The slide groove 89 and the circular ring The groove 8 is connected, and a rack 811 is slidably connected in the sliding groove 89. The rack 811 corresponds to the wide gear 82 one by one, and the rack 811 is meshed with the wide gear 82. One end of the rack 811 extends to the central hole of the docking shell 4, and a rolling wheel 812 is fixedly installed on one end of the rack 811. The rolling wheel 812 is located in the central hole of the docking shell 4, and the inner gear ring 83 and the rack 811 are respectively located on both sides of the circular groove 8; the wide gear 82 spans the two planes of the inner gear ring 83 and the rack 811 at the same time, and the wide gear 82 is meshed with the inner gear ring 83 and the rack 811 at the same time.

[0037] As a preferred embodiment, further, an arc-shaped opening 84 is opened between the annular groove 8 and the outer wall of the docking shell 4 along the arc direction, the arc-shaped opening 84 is opened at the rear end of the docking shell 4, and an extension plate 85 is slidably connected in the arc-shaped opening 84 along the arc direction, one end of the extension plate 85 is fixedly connected to the inner gear ring 83, and the other end of the extension plate 85 extends out of the arc-shaped opening 84, and a side plate 86 is fixedly installed at the rear end of the docking shell 4, and a hydraulic cylinder 87 is hinged at the top of the side plate 86, and an output shaft 88 is installed at the output end of the hydraulic cylinder 87, and the output shaft 88 is rotatably connected to the extension plate 85 through a connecting rod.

[0038] As a preferred solution, further, six sliding grooves 810 are equidistantly provided on the inner wall of the outer circle of the annular groove 8, the sliding groove 89 corresponds to the sliding groove 810 one by one, the rack 811 corresponds to the sliding groove 810 one by one, the end of the rack 811 away from the rolling wheel 812 is slidably connected in the sliding groove 810, and the sliding fitting ends of the rack 811, the sliding groove 89 and the sliding groove 810 are slidably connected through the limit groove and the limit block, so that the sliding direction of the rack 811 is fixed.

[0039] As a preferred solution, further, the clamping mechanism 2 includes: a wide gear 2 92, an inner gear ring 2 93, a slide groove 3 99, a rack 2 911 and a pressure roller 2 912. Six connecting shafts 2 91 are rotatably connected at equal angles in the circular groove 2 9. A wide gear 2 92 is fixedly sleeved on the outer wall of the connecting shaft 2 91. An inner gear ring 2 93 is rotatably connected on one side of the inner wall of the circular groove 2 9. The six wide gears 2 92 are meshed with the inner gear ring 2 93. Six slide grooves 3 99 are opened at equal angles on the central hole wall of the docking shell 2 5. The slide groove 3 99 is connected to the circular groove 2 9. The slide groove 3 99 is connected to the circular groove 2 It is connected to a rack 2 911, which corresponds to a wide gear 2 92 one by one, and is meshed with the wide gear 2 92. One end of the rack 2 911 extends into the center hole of the docking shell 2 5, and a rolling wheel 2 912 is fixedly installed on one end of the rack 2 911. The rolling wheel 2 912 is located in the center hole of the docking shell 2 5, and the inner gear ring 2 93 and the rack 2 911 are respectively located on both sides of the circular groove 2 9; the wide gear 2 92 spans the two planes of the inner gear ring 2 93 and the rack 2 911 at the same time, and the wide gear 2 92 is meshed with the inner gear ring 2 93 and the rack 2 911 at the same time.

[0040] As a preferred embodiment, further, an arc-shaped opening 94 is opened between the annular groove 29 and the outer wall of the docking shell 25 along the arc direction, and the arc-shaped opening 94 is located at the rear end of the docking shell 25. An extension plate 95 is slidably connected in the arc-shaped opening 94 along the arc direction. One end of the extension plate 95 is fixedly connected to the inner gear ring 293, and the other end of the extension plate 95 extends out of the arc-shaped opening 94. A side plate 96 is fixedly installed at the rear end of the docking shell 25, and a hydraulic cylinder 97 is hinged at the top end of the side plate 96. An output shaft 98 is installed at the output end of the hydraulic cylinder 97, and the output shaft 98 is rotatably connected to the extension plate 95 through a connecting rod.

[0041] As a preferred embodiment, further, six sliding grooves four 910 are equidistantly provided on the inner wall of the outer circle of the annular groove two 9, the sliding groove three 99 corresponds to the sliding groove four 910 one by one, the rack two 911 corresponds to the sliding groove four 910 one by one, the end of the rack two 911 away from the rolling wheel two 912 is slidably connected in the sliding groove four 910, the sliding fitting ends of the rack two 911, the sliding groove three 99 and the sliding groove four 910 are slidably connected through the limit groove and the limit block, so that the sliding direction of the rack two 911 is fixed.

[0042] As a preferred solution, further, six rotating rods 22 are connected to the inner wall of the annular groove 10 in a horizontal direction and are rotatable at equal angles. Auxiliary wheels 23 are fixedly mounted on the outer wall of the rotating rods 22, and the six auxiliary wheels 23 fit the inner circle outer wall of the outer gear ring 11.

[0043] As a preferred embodiment, further, an arc hole 24 is provided on the central hole wall of the docking shell 4, and the arc hole 24 is provided from one end of the connecting block 6 to the other end of the connecting block 6, and the arc hole 24 is arranged in parallel with the working hole 7, and the arc hole 24 is opened along the arc direction, and the clamping component 12 includes: a bending plate 121 and an electric control clamp 122, and a bending plate 121 is fixedly installed on the outer wall of one side of the outer gear ring 11, and the bending plate 121 is an L-shaped plate structure, and the bending plate 121 is slidably connected in the arc hole 24, and an electric control clamp 122 is fixedly installed on the end of the bending plate 121 away from the outer gear ring 11, and the electric control clamp 122 is located at the working hole 7, so that the staff can install the baking gun in the electric control clamp 122 from the working hole 7, and it is also convenient to connect the electric control clamp 122 and the baking gun.

[0044] As a preferred solution, further, two groups of mounting seats 18 are symmetrically installed on the top of the workbench 1, and the two groups of mounting seats 18 are respectively located on the front and rear sides of the docking shell 1 4 and the docking shell 2 5. The two groups of mounting seats 18 are symmetrically arranged along the front and rear directions. The number of mounting seats 18 in each group is two, and a sliding rod 19 is fixedly installed between the two mounting seats 18. Two pipe clamping seats 20 are slidably mounted between the two sliding rods 19. The pipe clamping seats 20 are used to fix the gas pipeline. The two pipe clamping seats 20 are located on the left and right sides of the docking shell 1 4 and the docking shell 2 5.

[0045] As a preferred solution, further, moving wheels 21 are installed at the four corners of the bottom end of the workbench 1, and the moving wheels 21 are used to realize the movement of the workbench 1 so as to adjust the pipe docking location.

[0046] The motor, pipe clamping seat, moving wheel, hydraulic cylinder one, hydraulic cylinder two and electric control clamp in this case are prior art. The motor and pipe clamping seat have the same structure and connection method as in the cited documents. As long as the motor, pipe clamping seat, moving wheel, hydraulic cylinder one, hydraulic cylinder two and electric control clamp meet the requirements of this case, they can be used and are not limited to a single model.

[0047] Working principle: the electrical components appearing in the present application are all connected to an external power supply and a control switch when in use. After the present invention is installed, first check the installation and fixation and safety protection of the present invention, and then it can be used; when in use, the staff clamps and fixes the two pipes to be welded through two pipe clamping seats 20 respectively, and then the user pushes the two pipe clamping seats 20 to extend the butt ends of the two pipes into the butt shell 1 4 and the butt shell 2 5 respectively, and by adjusting the positions of the two pipe clamping seats 20 on the slide bar 19, the butt ends of the two pipes are moved to the working hole 7; then the staff starts the hydraulic cylinder 1 87 and the hydraulic cylinder 2 97, and the hydraulic cylinder 1 87 drives the extension plate 1 85 to slide in the arc opening 1 84 through the output shaft 1 88, and the extension plate 1 85 drives the inner gear ring 1 83 to rotate, so that the inner gear ring 1 83 rotates synchronously with the inner gear ring 1 83 ... At the same time, multiple wide gears 82 are meshed and rotated. While the wide gear 82 rotates, the meshing rack 811 moves in the slide groove 89 and the second slide groove 810, so that the rack 811 moves toward the center of the docking shell 4, and the rack 811 clamps a pipe through the rolling wheel 812; then the hydraulic cylinder 2 97 drives the extension plate 2 95 to slide in the arc opening 2 94 through the output shaft 2 98, and the extension plate 2 95 drives the inner gear ring 2 93 to rotate, so that the inner gear ring 2 93 simultaneously meshes with multiple wide gears 2 92 to rotate, and while the wide gear 2 92 rotates, the meshing rack 2 911 moves in the slide groove 3 99 and the fourth slide groove 910, so that the rack 2 911 moves toward the center of the docking shell 2 5, and the rack 2 911 clamps another pipe through the rolling wheel 2 912, so that the docking ends of the two pipes are fitted and fixed.

[0048] The staff installs the baking gun in the electric control fixture 122 and aligns the baking gun in the working hole 7 so as to connect the baking gun to the outside. Then the staff starts the motor 16 and the baking gun. The motor 16 drives the rotating shaft 14 to rotate. The rotating shaft 14 drives the gear 15 to rotate, so that the gear 15 engages the outer gear ring 11 to rotate. The outer gear ring 11 drives the bending plate 121 and the electric control fixture 122 to rotate, and at the same time drives the baking gun to rotate around the butt ends of the two pipes. The baking gun moves from one end of the connecting block 6 to the other end. The baking gun moves at a uniform speed during the whole process. The pipeline is continuously preheated during the rotation of the baking gun, which frees the hands of the staff and improves the butt preheating effect.

[0049] It is obvious to those skilled in the art that the present invention is not limited to the details of the above-mentioned exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention; therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is limited by the appended claims rather than the above description, and therefore it is intended to include all changes within the meaning and scope of the equivalent elements of the claims within the present invention; any figure mark in the claims should not be regarded as limiting the claims involved.

[0050] In the description of the present invention, the term "plurality" refers to two or more than two. Unless otherwise clearly defined, the orientation or positional relationship indicated by the terms "upper" and "lower" is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present invention. The terms "connection", "installation", "fixation", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0051] In the description of the present invention, the description of the terms "one embodiment", "some embodiments", "specific embodiments", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In the present invention, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0052] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A gas pipeline docking device, comprising: A workbench (1), characterized in that a docking shell 1 (4) and a docking shell 2 (5) are provided at the top of the workbench (1), and an operation hole (7) is opened between the docking shell 1 (4) and the docking shell 2 (5); The docking shell 1 (4) is provided with an annular groove 1 (8) and an annular groove 3 (10) respectively, and the docking shell 1 (4) is provided with an annular groove 2 (9). A clamping mechanism 1 is arranged in the annular groove 1 (8), and a clamping mechanism 2 is arranged in the annular groove 2 (9). The clamping mechanism 1 and the clamping mechanism 2 are used to fix the pipeline; An outer toothed ring (11) is rotatably connected in the annular groove three (10); a side box body (13) is fixedly installed at the front end of the docking shell one (4); a rotating shaft (14) is rotatably connected in the side box body (13); a gear (15) is fixedly sleeved on the outer wall of the rotating shaft (14); the gear (15) is meshed with the outer toothed ring (11); a clamping component (12) is fixedly installed on the surface of the outer toothed ring (11); an end of the clamping component (12) away from the outer toothed ring (11) extends into the center hole of the docking shell one (4); an end of the clamping component (12) away from the outer toothed ring (11) is located in the operating hole (7); and the clamping component (12) is used to fix the roasting gun.

2. The gas pipeline docking device according to claim 1, characterized in that: A support frame 1 (2) is fixedly mounted on the bottom end of the docking shell 1 (4), and the support frame 1 (2) is fixedly mounted on the top end of the workbench (1); a support frame 2 (3) is fixedly mounted on the bottom end of the docking shell 2 (5), and the support frame 2 (3) is fixedly mounted on the top end of the workbench (1); the docking shell 1 (4) and the docking shell 2 (5) are arranged in parallel; a connecting block (6) is fixedly connected between the docking shell 1 (4) and the docking shell 2 (5), and the connecting block (6) is located at the top between the docking shell 1 (4) and the docking shell 2 (5).

3. The gas pipeline docking device according to claim 1, characterized in that: A support plate (17) is fixedly mounted on one side outer wall of the side box body (13), a motor (16) is fixedly mounted on the top end of the support plate (17), one end of the rotating shaft (14) rotates and extends out of the side box body (13), and an output end of the motor (16) is connected to the rotating shaft (14).

4. The gas pipeline docking device according to claim 1, characterized in that: The clamping mechanism comprises: a wide gear (82), an inner gear ring (83), a slide groove (89), a rack (811) and a pressure roller (812); a plurality of connecting shafts (81) are rotatably connected at equal angles in the annular groove (8); a wide gear (82) is fixedly mounted on the outer wall of the connecting shaft (81); an inner gear ring (83) is rotatably connected on one side inner wall of the annular groove (8); the plurality of wide gears (82) are meshed with the inner gear ring (83); a plurality of slide grooves (89) are opened at equal angles on the central hole wall of the docking shell (4); the slide grooves (89) are connected to the The annular groove (8) is communicated with each other, and a rack (811) is slidably connected in the sliding groove (89), and the rack (811) corresponds to the wide gear (82) one by one, and the rack (811) is meshed with the wide gear (82), and one end of the rack (811) extends into the center hole of the docking shell (4), and one end of the rack (811) is fixedly installed with a rolling wheel (812), and the rolling wheel (812) is located in the center hole of the docking shell (4), and the inner gear ring (83) and the rack (811) are respectively located on both sides of the annular groove (8).

5. The gas pipeline docking device according to claim 4, characterized in that: An arc-shaped opening (84) is opened between the annular groove (8) and the outer wall of the docking shell (4) along the arc direction, an extension plate (85) is slidably connected in the arc direction in the arc opening (84), one end of the extension plate (85) is fixedly connected to the inner gear ring (83), and the other end of the extension plate (85) extends out of the arc-shaped opening (84), a side plate (86) is fixedly installed at the rear end of the docking shell (4), a hydraulic cylinder (87) is hinged at the top end of the side plate (86), an output shaft (88) is installed at the output end of the hydraulic cylinder (87), and the output shaft (88) is rotatably connected to the extension plate (85).

6. The gas pipeline docking device according to claim 4, characterized in that: A plurality of slide grooves 2 (810) are equidistantly provided on the inner wall of the annular groove 1 (8) away from the central hole of the docking shell 1 (4); the slide groove 1 (89) corresponds one-to-one with the slide groove 2 (810); the rack 1 (811) corresponds one-to-one with the slide groove 2 (810); and the end of the rack 1 (811) away from the rolling wheel 1 (812) is slidably connected in the slide groove 2 (810).

7. The gas pipeline docking device according to claim 1, characterized in that: The clamping mechanism 2 comprises: a wide gear 2 (92), an inner gear ring 2 (93), a slide groove 3 (99), a rack 2 (911) and a pressure roller 2 (912); a plurality of connecting shafts 2 (91) are rotatably connected at equal angles in the annular groove 2 (9); a wide gear 2 (92) is fixedly sleeved on the outer wall of the connecting shaft 2 (91); an inner gear ring 2 (93) is rotatably connected on one side inner wall of the annular groove 2 (9); a plurality of wide gears 2 (92) are meshed with the inner gear ring 2 (93); a plurality of slide grooves 3 (99) are opened at equal angles on the central hole wall of the docking shell 2 (5); the slide grooves 3 (99) are connected to the connecting shafts 2 (91) and the connecting shafts 2 (91) and the connecting shafts 2 (91) and the connecting shafts 2 (91) and the connecting shafts 2 (91) are connected to ... The annular grooves (9) are connected, and racks (911) are slidably connected in the sliding grooves (99). The racks (911) correspond to the wide gears (92) one by one, and the racks (911) mesh with the wide gears (92). One end of the racks (911) extends into the center hole of the docking shell (5). One end of the racks (911) is fixedly mounted with rolling wheels (912). The rolling wheels (912) are located in the center hole of the docking shell (5). The inner gear ring (93) and the racks (911) are respectively located on both sides of the annular groove (9).

8. The gas pipeline docking device according to claim 7, characterized in that: An arc-shaped opening (94) is opened between the annular groove (9) and the outer wall of the docking shell (5) along the arc direction, and an extension plate (95) is slidably connected in the arc direction in the arc-shaped opening (94), one end of the extension plate (95) is fixedly connected to the inner gear ring (93), and the other end of the extension plate (95) extends out of the arc-shaped opening (94), and a side plate (96) is fixedly installed at the rear end of the docking shell (5), and a hydraulic cylinder (97) is hinged at the top end of the side plate (96), and an output shaft (98) is installed at the output end of the hydraulic cylinder (97), and the output shaft (98) is rotatably connected to the extension plate (95).

9. The gas pipeline docking device according to claim 7, characterized in that: A plurality of slide grooves 4 (910) are equidistantly provided on the inner wall of the annular groove 2 (9) away from the central hole of the docking shell 2 (5); the slide groove 3 (99) corresponds one-to-one with the slide groove 4 (910); the rack 2 (911) corresponds one-to-one with the slide groove 4 (910); and one end of the rack 2 (911) away from the rolling wheel 2 (912) is slidably connected in the slide groove 4 (910).

10. The gas pipeline docking device according to claim 1, characterized in that: A plurality of rotating rods (22) are connected to the inner wall of the circular groove three (10) so as to rotate at equal angles in the horizontal direction, and an auxiliary wheel (23) is fixedly mounted on the outer wall of the rotating rod (22), and the plurality of auxiliary wheels (23) are fitted with the outer gear ring (11).

11. The gas pipeline docking device according to claim 10, characterized in that: An arc-shaped hole (24) is provided on the central hole wall of the docking shell (4), the arc-shaped hole (24) is arranged in parallel with the working hole (7), and the arc-shaped hole (24) is provided along the arc direction. The clamping component (12) comprises: a bending plate (121) and an electric control clamp (122). The bending plate (121) is fixedly mounted on the surface of the outer gear ring (11), and the bending plate (121) is slidably connected in the arc-shaped hole (24). The end of the bending plate (121) away from the outer gear ring (11) is fixedly mounted with the electric control clamp (122), and the electric control clamp (122) is located at the working hole (7).

12. The gas pipeline docking device according to claim 1, characterized in that: Two groups of mounting seats (18) are symmetrically mounted on the top of the workbench (1). The two groups of mounting seats (18) are symmetrically arranged along the front-to-back direction. The number of mounting seats (18) in each group is two. A sliding rod (19) is fixedly mounted between the two mounting seats (18). Two pipe clamping seats (20) are slidably mounted between the two sliding rods (19). The two pipe clamping seats (20) are located on both sides of the docking shell 1 (4) and the docking shell 2 (5).

13. The gas pipeline docking device according to claim 1, characterized in that: Moving wheels (21) are installed at the four corners of the bottom end of the workbench (1).

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