Simple butt joint tool for welding
By designing a simple docking tool that includes a take-up reel and a planetary gear reduction structure, the problem of pre-welding assembly of steel structures was solved, enabling convenient gap adjustment and welding preparation. The tool is compact and easy to use.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-12
- Publication Date
- 2026-04-10
AI Technical Summary
Before welding steel structures, it is necessary to assemble the two steel structures to ensure that the gap meets the welding requirements, but there is a lack of simple and effective tools to support this.
A simple docking tool was designed, which includes a take-up reel and a planetary gear reduction structure. The take-up reel is driven to rotate by a crank handle to achieve the winding and unwinding of the cable, ensuring the docking of the steel structure.
It enables convenient manual adjustment of steel structure gaps to meet welding requirements, and the tools are compact, easy to carry, and provide a good user experience.
Smart Images
Figure CN224102124U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of welding tools, in particular to a simple butt joint tool for welding. BACKGROUND
[0002] Welding, also known as soldering, is a manufacturing process and technology that joins metal or other thermoplastic materials such as plastic by heating, high temperature or high pressure. There are many energy sources for modern welding, including gas flame, electric arc, laser, electron beam, friction and ultrasonic wave, etc.
[0003] Before welding steel structures, not only the cross section of welding needs to be polished, but also the two steel structures need to be assembled and processed to meet the welding needs of the gap between the two steel structures. In a certain corn deep processing project, a non-standard tank manufacturing and installation engineering special construction project, a tool for assembling and welding is needed for the welding of the tank body. SUMMARY
[0004] To solve the above problems, the present application discloses a simple butt joint tool for welding, which comprises a shell, a take-up wheel is arranged inside the shell, the take-up wheel is provided with two take-up grooves, and a cable is wound around the inside of the take-up groove. That is, the ends of the two cables are connected with the welded steel structure, and the two steel structures are connected by winding the cable.
[0005] The inside of the take-up wheel is provided with a gear ring, the inside of the gear ring is provided with a planetary gear carrier, one side of the planetary gear carrier is provided with a first planetary gear set, the middle of the first planetary gear set is provided with a first sun gear, one end of the first sun gear is fixedly connected with a crank handle, the inside of the take-up wheel is fixedly connected with a fixed rod, a second planetary gear set is sleeved on the fixed rod, a second sun gear is arranged in the middle of the second planetary gear set, and the second sun gear is fixedly connected to the planetary gear carrier. That is, a two-stage planetary gear reduction structure is arranged, the crank handle is rotated to finally drive the take-up wheel to rotate, so that the winding operation of the cable is realized.
[0006] Preferably, the shell is provided with a through hole on both sides, and the cable extends out of the through hole.
[0007] Preferably, a first bearing is sleeved outside the gear ring, and the outer ring of the first bearing is matched on the inner wall of the take-up wheel. One end of the take-up wheel is sleeved with a second bearing, and the outer ring of the second bearing is matched on the inner wall of the shell. That is, the first bearing supports the gear ring arranged inside, and the second bearing supports one end of the take-up wheel.
[0008] Preferably, the front surface of the shell is fixedly connected with an end cover. Further, bolts are inserted through the end cover, and the bolts are fixedly connected with the gear ring.
[0009] Preferably, a recess is arranged in the middle of one side of the take-up wheel, and a ratchet gear ring is arranged inside the recess, the inner side of the ratchet gear ring is provided with a fixed plate, the edge of the fixed plate is rotationally connected with a pawl, one side of the pawl is provided with a U-shaped elastic sheet, and the U-shaped elastic sheet pushes the pawl to abut against the ratchet gear ring. The structure of the ratchet gear ring and the pawl realizes the ability of the take-up wheel to rotate in only one direction, that is, when the handle is rotated, the inhaul cable is wound outwards.
[0010] Preferably, a spiral elastic sheet is arranged on one side of the fixed plate, the other end of the spiral elastic sheet abuts against the inner wall of the shell, a pull rod is fixedly connected to the middle of the fixed plate, the pull rod penetrates and is axially slidingly fitted in the shell, and the end of the pull rod is fixedly connected with a knob. When it is needed to release the inhaul cable, the knob is pulled at this time, so that the pawl and the ratchet gear ring are disengaged, and the inhaul cable can be released under the condition that the take-up wheel is not limited.
[0011] The beneficial effects of the present application are as follows:
[0012] 1. A two-stage planetary gear reduction structure is arranged, the torque is amplified, the inhaul cable can be directly wound by rotating the handle, and the inhaul cable is easy to use.
[0013] 2. The planetary gear reduction structure is built-in in the inside of the take-up wheel, so that the whole tool is compact and small, and is convenient to carry and use.
[0014] 3. The ratchet gear ring, the pawl and other structures are arranged, the take-up wheel can be limited to rotate in only one direction, and the experience of actual use is met. BRIEF DESCRIPTION OF DRAWINGS
[0015] Fig. 1 is a perspective view of the present application;
[0016] Fig. 2 is a first perspective view of the present application;
[0017] Fig. 3 is a second perspective view of the present application;
[0018] Fig. 4 is a structure view of the fixed plate of the present application.
[0019] LIST OF REFERENCE NUMBERS
[0020] 1, handle; 2, end cover; 3, shell; 4, through hole; 5, inhaul cable; 6, first sun gear; 7, first bearing; 8, gear ring; 9, first planetary gear set; 10, planetary gear carrier; 11, second planetary gear set; 12, take-up wheel; 13, fixed rod; 14, second bearing; 15, fixed plate; 16, second sun gear; 17, ratchet gear ring; 18, pawl; 19, U-shaped elastic sheet; 20, spiral elastic sheet; 21, pull rod; 22, knob. Detailed Implementation
[0021] The present invention will be further illustrated below with reference to the accompanying drawings and specific embodiments. It should be understood that the following specific embodiments are for illustrative purposes only and are not intended to limit the scope of the invention. It should be noted that the terms "front," "rear," "left," "right," "up," and "down" used in the following description refer to directions in the accompanying drawings, and the terms "inner" and "outer" refer to directions toward or away from the geometric center of a specific component, respectively.
[0022] like Figs. 1 to 4 As shown, a simple welding tool includes a housing 3, which is a cylindrical thin-shell component. Inside the housing 3, there is a take-up reel 12. The take-up reel 12 is hollow inside and sealed at one end. The take-up reel 12 has two take-up grooves, and a cable 5 is wound inside the take-up grooves. That is, there are two cables 5, which are located in the two take-up grooves respectively, and the two cables 5 are wound in opposite directions. That is, during the rotation of the take-up reel 12, both cables 5 are wound up.
[0023] The take-up reel 12 has a gear ring 8 inside, and a planetary gear carrier 10 inside the gear ring 8. A first planetary gear set 9 is located on one side of the planetary gear carrier 10, and a first sun gear 6 is located in the middle of the first planetary gear set 9. One end of the first sun gear 6 is fixedly connected to a crank handle 1. The crank handle 1 is L-shaped, and the grip can be rotated and stored in another pre-set opening. A fixing rod 13 is fixedly connected inside the take-up reel 12, and a second planetary gear set 11 is sleeved on the fixing rod 13. A second sun gear 16 is located in the middle of the second planetary gear set 11, and the second sun gear 16 is fixedly connected to the planetary gear carrier 10. Through the two sets of planetary gear reduction mechanisms, the torque is amplified, which is convenient for hand-held rotation. When using this tool, the ends of the two cables 5 are fixedly connected to the components to be welded. Then, by winding the cables 5, the two components are pulled closer together to achieve the required welding spacing.
[0024] Both sides of the outer casing 3 are provided with through holes 4, and the cable 5 extends out from the through holes 4.
[0025] A first bearing 7 is sleeved on the outer side of the gear ring 8, and the outer ring of the first bearing 7 fits on the inner wall of the take-up reel 12. The first bearing 7 enables rotational engagement between the gear ring 8 and the take-up reel 12. A second bearing 14 is sleeved on one end of the take-up reel 12, and the outer ring of the second bearing 14 fits on the inner wall of the outer casing 3. The second bearing 14 enables rotational engagement between the take-up reel 12 and the outer casing 3.
[0026] The front surface of the shell 3 is fixedly connected with an end cover 2, and the end cover 2 is used for plugging one end of the shell 3. Further, an edge of the end cover 2 is bent to be provided, and a bolt is provided through the bent portion, and the bolt is fixedly connected with the shell 3, so that the end cover 2 is fixedly connected with the shell 3.
[0027] Further, a bolt is provided through the front surface of the end cover 2, and the bolt is threadedly connected with the internal gear ring 8, so as to further support and fix the gear ring 8, and limit the rotation of the gear ring 8.
[0028] A recess is provided in the middle of one side of the take-up wheel 12, and the recess is a circular structure, and a ratchet gear ring 17 is provided in the recess, and the ratchet gear ring 17 is an annular structure, and the inner wall of the annular structure is provided with ratchet teeth, the ratchet gear ring 17 is fixedly connected in the recess, a fixed plate 15 is provided on the inner side of the ratchet gear ring 17, the fixed plate 15 is a circular plate, a pawl 18 is rotatably connected to the edge of the fixed plate 15, a plurality of pawls 18 are provided, a U-shaped elastic sheet 19 is provided on one side of the pawl 18, and the U-shaped elastic sheet 19 pushes the pawl 18 to abut against the ratchet gear ring 17, that is, under the action of the U-shaped elastic sheet 19, the pawl 18 is kept abutting against the inner wall of the ratchet gear ring 17, and the setting ensures that the take-up wheel 12 can only rotate in one direction, and further, the handle 1 is rotated, and under the limitation of the pawl 18 and the ratchet gear ring 17, the take-up wheel 12 can only be operated to wind the cable 5.
[0029] A spiral elastic sheet 20 is provided on one side of the fixed plate 15, and the other end of the spiral elastic sheet 20 abuts against the inner wall of the shell 3, that is, under the action of the spiral elastic sheet 20, the pawl 18 is axially pushed to the inner side of the ratchet gear ring 17, a pull rod 21 is fixedly connected to the middle of the fixed plate 15, and the pull rod 21 is axially slidably fitted in the shell 3, that is, a protrusion is provided on the side wall of the pull rod 21, and the hole of the shell 3 is matched with the protrusion, so as to limit the rotation of the pull rod 21, and the end of the pull rod 21 is fixedly connected with a push block 22.
[0030] When the cable 5 needs to be released, the push block 22 is pinched and pushed outward to move the pull rod 21, so that the pawl 18 is separated from the inside of the ratchet gear ring 17, and at this time, the take-up wheel 12 is not limited, and the handle 1 can be rotated or the cable 5 can be pulled outward to be released.
[0031] The technical means disclosed in the scheme of the application is not limited to the technical means disclosed in the above-mentioned embodiments, and also includes the technical scheme composed of any combination of the above technical features.
Claims
1. A simple butt joining tool for welding, characterized by, Including the shell (3), the inside of the shell (3) is provided with a take-up reel (12), the take-up reel (12) is provided with two take-up grooves, and the inside of the take-up groove is wound with a cable (5); The inside of the take-up reel (12) is provided with a gear ring (8), the inside of the gear ring (8) is provided with a planetary gear carrier (10), one side of the planetary gear carrier (10) is provided with a first planetary gear set (9), the middle part of the first planetary gear set (9) is provided with a first sun gear (6), one end of the first sun gear (6) is fixedly connected with a crank (1), the inside of the take-up reel (12) is fixedly connected with a fixed rod (13), the fixed rod (13) is sleeved with a second planetary gear set (11), the middle part of the second planetary gear set (11) is provided with a second sun gear (16), and the second sun gear (16) is fixedly connected to the planetary gear carrier (10).
2. A simple butt joint tool for welding as claimed in claim 1, wherein: Both sides of the shell (3) are provided with through holes (4), and the cable (5) extends out of the through holes (4).
3. The simple butt joint tool for welding according to claim 1, characterized in that: The outside of the gear ring (8) is sleeved with a first bearing (7), and the outer ring of the first bearing (7) is matched on the inner wall of the take-up reel (12), one end of the take-up reel (12) is sleeved with a second bearing (14), and the outer ring of the second bearing (14) is matched on the inner wall of the shell (3).
4. The simple butt joint tool for welding according to claim 1, characterized in that: The front of the shell (3) is fixedly connected with an end cover (2).
5. The simple butt joint tool for welding according to claim 1, characterized in that: One side of the take-up reel (12) is provided with a recess in the middle, and the inside of the recess is provided with a ratchet gear ring (17), the inside of the ratchet gear ring (17) is provided with a fixed plate (15), the edge of the fixed plate (15) is rotatably connected with a pawl (18), one side of the pawl (18) is provided with a U-shaped elastic sheet (19), and the U-shaped elastic sheet (19) pushes the pawl (18) to abut on the ratchet gear ring (17).
6. A simple butt joint tool for welding as claimed in claim 5, wherein: One side of the fixed plate (15) is provided with a spiral elastic sheet (20), the other end of the spiral elastic sheet (20) abuts against the inner wall of the shell (3), the middle part of the fixed plate (15) is fixedly connected with a pull rod (21), and the pull rod (21) penetrates and is axially slidingly matched in the shell (3), and the end of the pull rod (21) is fixedly connected with a knob (22).