Butt joint device for pipeline welding
By combining the use of a fixed cylinder, an adjusting device, and a tightening device, the problems of tight fit and misalignment during pipe welding are solved, achieving a highly efficient pipe welding effect.
Patent Information
- Application Number
- CN202423317653.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2034-12-31
AI Technical Summary
Existing welded pipe fittings cannot guarantee a tight fit between pipes and are prone to misalignment.
The system employs a fixed cylinder, adjustment device, and tightening device. Through the combined use of bolts, nuts, screws, and studs, it ensures coaxial alignment when pipes are connected. The anti-slip pads and wedges provide a tight fit between the pipes.
This achieves a tight connection between pipes, preventing misalignment and ensuring welding quality.
Smart Images
Figure CN223684765U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the technical field of pipeline welding equipment, specifically a pipe welding butt joint. Background Technology
[0002] A pipeline is a device consisting of pipes, pipe fittings, valves, etc., used to transport gases, liquids, or fluids containing solid particles. There are many types of pipelines, among which metal pipelines are widely used. In the connection process of metal pipelines, butt welding is required, and welding pipe fittings are needed for this process.
[0003] Existing welded pipe joints typically use curved supports to support the pipes before welding, which cannot guarantee a tight fit between the pipes and can easily cause misalignment during the pipe connection. Summary of the Invention
[0004] The purpose of this invention is to provide a pipe welding connector that makes the connection between the first pipe and the second pipe tighter and prevents misalignment during the connection.
[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows: A pipe welding connector is provided, comprising a fixed cylinder, on the inner side of which a first pipe and a second pipe are placed. A tightening device is fixedly connected to the inner side of the fixed cylinder away from the contact point of the first and second pipes. A movable ring is movably connected to the side of the fixed cylinder near the contact point of the first and second pipes. An adjusting device is fixedly connected between the upper movable rings, and a guiding device is fixedly connected between the lower movable rings. The fixed cylinder includes a cylinder body, inside which an inclined block is movably connected. The inclined block has an inclined groove inside, and a top column is movably connected inside. A connecting ring is fixedly connected to the end of the top column away from the inclined block. An anti-slip pad is fixedly connected to the inner side of the inclined block. Limiting blocks are fixedly connected to both sides of the top of the lower connecting ring. A connecting block is fixedly connected to the outer side of the cylinder body, and a bolt is movably connected inside the connecting block. A nut is threaded onto the outer side of the bolt.
[0006] Optionally, the guiding device includes a guide cylinder fixedly connected to the right side of the lower left movable ring and a guide post to the left side of the lower right movable ring, wherein the guide cylinder and the guide post are movably connected.
[0007] Optionally, the movable ring includes a ring body movably connected inside the cylinder, and ball bearings are movably connected between the ring body and the cylinder.
[0008] Optionally, the adjusting device includes a stud fixedly connected to the right side of the upper left movable ring and the left side of the upper right movable ring, and a rotating cylinder is threadedly connected to the outer side of the stud.
[0009] Optionally, the top-tightening device comprises a fixed block fixedly connected to the inner side of the cylinder, and a screw rod is threadedly connected to the inside of the fixed block.
[0010] Optionally, the material of the non-slip pad is rubber.
[0011] Compared with the prior art, the utility model has the beneficial effects as follows:
[0012] The utility model discloses a fixed cylinder, adjusting device and top-tightening device, when using, the upper and lower two cylinder bodies are placed at the outside of first pipeline and second pipeline, and make the limiting block of lower connecting ring top insert into the slot of upper connecting ring, then tighten bolt and nut and connect the upper and lower two cylinder bodies, make the screw rod rotate in the inside of fixed block by screwing the screw rod, and make the screw rod can move back and forth in the inside of fixed block by normal rotation and reverse rotation, make it can contact with connecting ring by making the screw rod move to the inside of cylinder, and make four inclined blocks move to the inner wall of cylinder by constantly moving and pushing two connecting rings to make four jacks extrude four inclined blocks, so that four inclined blocks can move to the inner wall of cylinder simultaneously, and make the non-slip pad can tightly adhere on the pipeline by constantly moving, so that the fixed cylinder can be fixed on the pipeline, and make first pipeline and second pipeline can be located on the same axis with the cylinder, prevent the butt joint of first pipeline and second pipeline from deviating, in addition, make two screw posts move to the middle simultaneously by screwing the rotating cylinder, drive two fixed cylinders to make first pipeline and second pipeline can closely adhere together, prevent the gap between first pipeline and second pipeline. BRIEF DESCRIPTION OF DRAWINGS
[0013] In order to more clearly illustrate the technical scheme in the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description, obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without paying creative labor.
[0014] Fig. 1 It is the whole structure schematic diagram of the utility model;
[0015] Fig. 2 It is the sectional structure schematic diagram of the fixed cylinder and movable ring of the utility model;
[0016] Fig. 3 It is the structure schematic diagram of the rotating sleeve of the utility model.
[0017] In the figure: 1, fixed cylinder; 101, cylinder body; 102, bolt; 103, connecting block; 104, nut; 105, inclined block; 106, non-slip pad; 107, limiting block; 108, connecting ring; 109, top column; 110, inclined groove; 2, guide device; 201, guide cylinder; 202, guide column; 3, movable ring; 301, ring body; 302, ball; 4, first pipeline; 5, adjusting device; 501, rotating cylinder; 502, stud; 6, tightening device; 601, fixed block; 602, screw rod; 7, second pipeline. DETAILED DESCRIPTION
[0018] In order to make the technical problems, technical solutions and beneficial effects of the present application more clearly understood, the present application will be further described in detail below with reference to the drawings and examples. It should be understood that the specific examples described herein are only used to explain the present application and do not limit the present application.
[0019] It should be noted that when an element is referred to as "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.
[0020] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.
[0021] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.
[0022] Reference Figs. 1 to 3The utility model discloses a kind of butt jointers for pipeline welding, including fixed cylinder 1, first pipeline 4 and second pipeline 7 are placed in the inside of fixed cylinder 1, the inside of the side of fixed cylinder 1 far from the contact of first pipeline 4 and second pipeline 7 is fixedly connected with top tight device 6, the side of fixed cylinder 1 close to the contact of first pipeline 4 and second pipeline 7 is movably connected with movable ring 3, adjusting device 5 is fixedly connected between upper movable ring 3, guiding device 2 is fixedly connected between lower movable ring 3, fixed cylinder 1 includes cylinder body 101, inclined block 105 is movably connected in the inside of cylinder body 101, inclined block 105 can move in the inside of cylinder body 101, inclined groove 110 is arranged in the inside of inclined block 105, inclined groove 110 is used for the movement of jamb 109, jamb 109 is movably connected in the inside of inclined block 105, connecting ring 108 is fixedly connected to the end of jamb 109 far from inclined block 105, by exerting pressure to connecting ring 108, so that jamb 109 can extrude inclined block 105, to make inclined block 105 move to the direction of the inner wall of cylinder body 101, and by constantly moving, so that anti-skid pad 106 can be pressed on the outer wall of pipeline, anti-skid pad 106 is fixedly connected to the inside of inclined block 105, both sides of the top of lower connecting ring 108 are fixedly connected with limit block 107, both sides of the lower part of upper connecting ring 108 are provided with the notch for the insertion of limit block 107, when limit block 107 is inserted, under the pushing action of stud 502, so that upper and lower connecting ring 108 can move simultaneously, connecting block 103 is fixedly connected to the outside of cylinder body 101, bolt 102 is movably connected in the inside of connecting block 103, nut 104 is threadedly connected to the outside of bolt 102, by tightening and loosening bolt 102 and nut 104, fixed cylinder 1 can be placed on the outside of pipeline.
[0023] Further, guiding device 2 includes guiding cylinder 201 fixedly connected to the right side of left lower movable ring 3 and guiding cylinder 202 fixedly connected to the left side of right lower movable ring 3, guiding cylinder 201 is movably connected with guiding cylinder 202, guiding cylinder 201 and guiding cylinder 202 can move relatively, for guiding the movement of fixed cylinder 1, ensure that fixed cylinder 1 is located on the same axis when moving.
[0024] Further, movable ring 3 includes ring body 301 movably connected in the inside of cylinder body 101, ring body 301 can rotate in the inside of cylinder body 101, ball 302 is movably connected between ring body 301 and cylinder body 101, under the action of ball 302, ring body 301 is easy to rotate in the inside of cylinder body 101, so as to adjust the position of guiding device 2 and adjusting device 5, in order to weld.
[0025] Further, the adjusting device 5 comprises a threaded stud 502 fixedly connected to the right side of the upper left movable ring 3 and the left side of the upper right movable ring 3, the outer side of the threaded stud 502 is threadedly connected with a rotating drum 501, the threaded directions of the threaded studs 502 on the left and right movable rings 3 are opposite, the outer side of the threaded stud 502 is threadedly connected with the rotating drum 501, the rotating drum 501 is rotated in different directions, so that the threaded studs 502 on both sides of the rotating drum 501 can simultaneously move to the middle and both sides relative to the position of the rotating drum 501, when the fixed drum 1 is fixed, the two threaded studs 502 can simultaneously move to the middle, drive the two fixed drums 1, so that the first pipeline 4 and the second pipeline 7 can be tightly attached together, and prevent the gap between the first pipeline 4 and the second pipeline 7.
[0026] Further, the tightening device 6 comprises a fixed block 601 fixedly connected to the inner side of the drum body 101, the inner side of the fixed block 601 is threadedly connected with a screw rod 602, in use, the upper and lower drum bodies 101 are placed on the outer sides of the first pipeline 4 and the second pipeline 7, and the limiting block 107 at the top of the lower connecting ring 108 is inserted into the notch of the upper connecting ring 108, then the bolt 102 and the nut 104 are tightened to connect the upper and lower drum bodies 101, the screw rod 602 is rotated in the inner side of the fixed block 601 by rotating the screw rod 602, and the screw rod 602 can move back and forth in the inner side of the fixed block 601 by forward rotation and reverse rotation, so that the screw rod 602 can contact the connecting ring 108, and the two connecting rings 108 are continuously moved to push the four inclined blocks 105, so that the four inclined blocks 105 can simultaneously move to the inner wall of the drum body 101, and the anti-skid pad 106 can be tightly attached to the pipeline by continuous movement, so that the fixed drum 1 can be fixed on the pipeline, and the first pipeline 4 and the second pipeline 7 can be located on the same axis as the drum body 101, and prevent the misalignment of the butt joint of the first pipeline 4 and the second pipeline 7.
[0027] Further, the anti-skid pad 106 is made of rubber, which has a certain anti-skid effect, so that the fixed drum 1 can be stably fixed on the outer side of the pipeline.
[0028] The above merely describes the preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A pipe welding butt connector comprising a stationary cylinder (1), characterized in that: The inner side of the fixed cylinder (1) is provided with a first pipeline (4) and a second pipeline (7), the inner side of the fixed cylinder (1) is fixedly connected with a tightening device (6) away from the contact side of the first pipeline (4) and the second pipeline (7), the side close to the contact of the first pipeline (4) and the second pipeline (7) of the fixed cylinder (1) is movably connected with a movable ring (3), the upper movable ring (3) is fixedly connected with an adjusting device (5), the lower movable ring (3) is fixedly connected with a guide device (2), the fixed cylinder (1) comprises a cylinder body (101), the inside of the cylinder body (101) is movably connected with an inclined block (105), the inside of the inclined block (105) is provided with an inclined groove (110), the inside of the inclined block (105) is movably connected with a jacking column (109), one end of the jacking column (109) away from the inclined block (105) is fixedly connected with a connecting ring (108), the inner side of the inclined block (105) is fixedly connected with an anti-skid pad (106), the top of the connecting ring (108) on both sides is fixedly connected with a limiting block (107), the outer side of the cylinder body (101) is fixedly connected with a connecting block (103), the inside of the connecting block (103) is movably connected with a bolt (102), the outer side of the bolt (102) is threadedly connected with a nut (104).
2. The pipe welding conduit according to claim 1, wherein: The guide device (2) comprises a guide cylinder (201) fixedly connected to the right side of the lower movable ring (3) on the left side and a guide column (202) fixedly connected to the left side of the lower movable ring (3) on the right side, the guide cylinder (201) and the guide column (202) are movably connected.
3. The pipe welding conduit according to claim 1, wherein: The movable ring (3) comprises a ring body (301) movably connected in the inside of the cylinder body (101), the ring body (301) and the cylinder body (101) are movably connected with a ball (302).
4. The pipe welding conduit according to claim 1, wherein: The adjusting device (5) comprises a stud (502) fixedly connected to the right side of the upper movable ring (3) on the left side and the left side of the upper movable ring (3) on the right side, the outer side of the stud (502) is threadedly connected with a rotating cylinder (501).
5. The pipe welding conduit according to claim 1, wherein: The tightening device (6) comprises a fixed block (601) fixedly connected to the inside of the cylinder body (101), the inside of the fixed block (601) is threadedly connected with a screw rod (602).
6. The pipe welding conduit according to claim 1, wherein: The anti-skid pad (106) is made of rubber.