An auxiliary connecting tool based on water supply and drainage engineering pipeline

Abstract

The utility model is suitable for water supply and drainage engineering equipment field provides an auxiliary connecting tool based on water supply and drainage engineering pipeline, including including support spare, operating part, adjusting spare, guide piece and auxiliary spare, support spare contains support seat, limit groove and protective shell, operating part contains operating lever and worm, adjusting spare contains worm wheel, adjusting screw and movable plate, guide piece is guide rod, auxiliary spare contains first rotation roller and second rotation roller, in the utility model, when working, operating lever drives worm rotation, worm engages worm wheel and drives adjusting screw rotation, makes movable plate along guide rod sliding to hold pipe, auxiliary spare reduces pipe pushing friction, and worm wheel has self locking function, operating lever can also be connected drive motor realizes electric regulation, this tool can stabilize holding pipe, promotes butt joint precision and efficiency, adapts to the connecting demand of different pipe diameter pipe, solves the problem that existing tool holds loose, operation is inefficient, pushes and jams.

Description

Technical Field

[0001] This utility model belongs to the field of water supply and drainage engineering equipment, and in particular relates to an auxiliary connection tool based on water supply and drainage engineering pipelines. Background Technology

[0002] Pipe connection is one of the core procedures in the installation of water supply and drainage pipelines. Existing pipe connection tools have the following problems:

[0003] Existing tools lack a reliable self-locking structure, and the clamping of pipes is easily loosened by vibration or external force after clamping, which in turn causes the pipe connection position to shift, requiring repeated adjustments and affecting construction accuracy and progress.

[0004] Existing tools mostly rely on manual operation. For large-diameter pipes, manually driving the clamping structure is laborious and inefficient, making it difficult to quickly achieve stable clamping and increasing the labor intensity of construction workers.

[0005] The existing tools do not have a dedicated guiding and friction-reducing structure. When the pipe is clamped and pushed to connect, it is easy to get stuck. In addition, the moving plate is prone to deviating from the preset trajectory during the movement, which further reduces the smoothness and accuracy of pipe connection.

[0006] Therefore, an auxiliary connection tool based on water supply and drainage pipelines is needed to solve the above problems. Utility Model Content

[0007] The purpose of this utility model embodiment is to provide an auxiliary connection tool based on water supply and drainage engineering pipelines to solve the problems mentioned in the background art.

[0008] To achieve the above objectives, this utility model provides the following technical solution:

[0009] An auxiliary connection tool for water supply and drainage engineering pipelines includes a support component, an operating component, an adjusting component, a guide component, and auxiliary components. The support component includes a support base, a limiting groove, and a protective shell. The top of the support base has a limiting groove for limiting the position of the pipeline to prevent the pipeline from initially shifting. A protective shell for protecting the transmission structure is fixed to one side of the support base. The protective shell is fixed to the top of the support base and is used to cover the transmission structure of the operating component and the adjusting component to prevent dust and water stains from entering and affecting the transmission stability, while also preventing construction personnel from accidentally touching the transmission components and getting injured.

[0010] The operating component includes an operating lever and a worm gear. One end of the operating lever penetrates through the protective shell and extends into the interior of the protective shell. The end of the operating lever located inside the protective shell is fixedly connected to the worm gear. Power is transmitted through the meshing of the worm gear and the subsequent worm wheel. This not only ensures smooth transmission but also utilizes the mechanical characteristics of the worm gear and worm wheel to achieve self-locking, preventing the adjusting component from moving in the opposite direction after clamping. At the same time, the electric drive method is suitable for the operation requirements of large-diameter pipelines.

[0011] The adjusting component includes a worm gear, an adjusting screw, and a movable plate. The worm gear meshes with the worm wheel for transmission. The center of the worm wheel is fixedly connected to one end of the adjusting screw. The other end of the adjusting screw passes through the movable plate and is rotatably connected to the support base. The movable plate has a matching threaded hole at the position corresponding to the adjusting screw. The adjusting screw is rotated by the worm gear, so that the two pairs of movable plates move closer or further apart synchronously. This can adapt to the clamping requirements of pipes with different diameters. The threaded transmission has high precision, ensuring the accuracy of the clamping position.

[0012] The guide component is a guide rod, with both ends of the guide rod fixedly connected to the inner wall of the support base, and the guide rod passes through the movable plate and slides with the movable plate; the auxiliary component includes a first rotating roller and a second rotating roller, both of which are rotatably installed on the side of the movable plate near the pipe, and are spaced apart along the length of the movable plate.

[0013] In a further technical solution, the protective shell is connected to the support base by bolt fixing or welding, and the protective shell has an adaptation mounting hole at the position where the operating rod passes through, and the inner wall of the mounting hole is provided with a sealing gasket.

[0014] In a further technical solution, the two ends of the worm gear are rotatably connected to the inner wall of the protective shell through deep groove ball bearings, and the worm gear and the operating rod are coaxially fixedly connected, with their axes parallel to the top surface of the support base.

[0015] In a further technical solution, the worm gear and the adjusting screw are coaxially fixedly connected, and the end of the adjusting screw away from the worm gear is rotatably connected to the support seat through a thrust bearing, and the axis of the adjusting screw is parallel to the axis of the guide rod.

[0016] A further technical solution is that the threaded hole on the movable plate is adapted to the external thread of the adjusting screw, and the threads of the two pairs of movable plates on the same adjusting screw have opposite directions, so that the two pairs of movable plates move closer or further apart synchronously when the adjusting screw rotates.

[0017] A further technical solution is to chrome-plat the outer surface of the guide rod, and to provide a linear bearing at the position where the guide rod passes through the movable plate. The inner ring of the linear bearing is slidably engaged with the guide rod, and the outer ring is fixedly connected to the movable plate. The guide rod restricts the movement trajectory of the movable plate, preventing the movable plate from shifting as the adjusting screw rotates. The linear bearing and the chrome-plated surface further reduce sliding friction, ensuring that the movable plate moves smoothly and stably.

[0018] In a further technical solution, both the first and second rotating rollers are rotatably connected to the movable plate via a rotating shaft. The two ends of the rotating shaft are limited to the movable plate by snap rings. The outer surfaces of the first and second rotating rollers are covered with a wear-resistant rubber layer. The rotating rollers convert the sliding friction between the pipe and the movable plate into rolling friction, which greatly reduces the resistance when the pipe is pushed and connected. The rubber layer can also prevent damage to the outer surface of the pipe during clamping and improve the anti-slip effect of clamping.

[0019] In a further technical solution, the end of the operating lever away from the worm gear can be connected to a drive motor. The drive motor is fixedly connected to the support base through a motor bracket, and the output shaft of the drive motor is coaxially connected to the operating lever through a coupling. This structure enables switching between manual and electric operation. The electric mode can quickly drive the adjusting component, improve the clamping efficiency of large-diameter pipes, and reduce the labor intensity of construction workers.

[0020] Compared with the prior art, the beneficial effects of this utility model are:

[0021] This invention features self-locking stability and precise docking: the worm gear of the operating component meshes with the worm wheel of the adjusting component, utilizing the self-locking characteristics of the worm gear and worm wheel (i.e., the worm wheel cannot drive the worm gear in the reverse direction) to keep the movable plate in a fixed position after clamping the pipe, preventing loosening due to vibration or external force; at the same time, the limiting groove of the support seat pre-limits the pipe position to avoid initial offset, ultimately ensuring precise pipe docking position and solving the problems of loose clamping and docking offset in existing tools;

[0022] This utility model features an electric adapter for improved efficiency: the operating lever can be connected to a drive motor, which electrically drives the worm gear to rotate. Compared to purely manual operation, it can quickly drive the adjusting screw and the movable plate to move, making it especially suitable for clamping large-diameter pipes, reducing the physical exertion of construction workers and significantly improving clamping efficiency. Furthermore, the motor and support base are fixed to ensure stable power input, solving the problems of inefficiency and labor-intensive manual operation of existing tools.

[0023] This invention features smooth guidance and reduced friction: the guide rod of the guide component restricts the movement trajectory of the movable plate, preventing it from deviating and ensuring a stable clamping process; the first and second rotating rollers of the auxiliary component convert the sliding friction during pipe pushing into rolling friction, and together with the wear-resistant rubber layer, further reduce resistance, making the pipe connection and pushing process smooth and without jamming, while the rubber layer protects the pipe surface; the combination of these two features improves the smoothness and efficiency of pipe connection, solving the problems of lack of guidance and jamming in existing tools.

[0024] To more clearly illustrate the structural features and effects of this utility model, the following detailed description of this utility model is provided in conjunction with the accompanying drawings and specific embodiments. Attached Figure Description

[0025] Figure 1This is a three-dimensional structural diagram of the present invention from the front view;

[0026] Figure 2 This is a top-view three-dimensional structural diagram of the present invention;

[0027] Figure 3 This is a structural schematic diagram of the present invention in frontal three-dimensional cross-section;

[0028] Figure 4 This is a top-view three-dimensional cross-sectional structural diagram of the present invention.

[0029] In the diagram: 1. Support component; 11. Support base; 12. Limiting groove; 13. Protective shell; 2. Operating component; 21. Operating lever; 22. Worm gear; 3. Adjusting component; 31. Worm wheel; 32. Adjusting screw; 33. Movable plate; 4. Guide component; 41. Guide rod; 5. Auxiliary component; 51. First rotating roller; 52. Second rotating roller. Detailed Implementation

[0030] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0031] The specific implementation of this utility model will be described in detail below with reference to specific embodiments.

[0032] Example 1

[0033] like Figure 1-4 As shown, this utility model embodiment provides an auxiliary connection tool based on water supply and drainage engineering pipelines, including a support 1, an operating component 2, an adjusting component 3, a guide 4, and an auxiliary component 5;

[0034] The support base 11 of the support component 1 is a rectangular metal structure with a limiting groove 12 on the top that is adapted to the width of a conventional pipe diameter. The protective shell 13 is fixed to the top of the support base 11 by bolts, covering the worm 22 and the worm wheel 31.

[0035] The operating lever 21 of the operating component 2 is a metal rod that passes through the mounting hole of the protective shell 13 and is welded and fixed to the worm gear 22. The two ends of the worm gear 22 are connected to the inner wall of the protective shell 13 through deep groove ball bearings.

[0036] The worm gear 31 of the adjusting component 3 meshes with the worm 22, and its center is keyed to one end of the adjusting screw 32. The other end of the adjusting screw 32 is connected to the support seat 11 through a thrust bearing. The movable plate 33 is a rectangular metal plate with threaded holes that are adapted to the adjusting screw 32. The threads of the two pairs of movable plates 33 on the same adjusting screw 32 have opposite directions.

[0037] The guide rod 41 of the guide component 4 is a chrome-plated metal rod, which is welded to the support base 11 at both ends, passes through the movable plate 33 and is engaged with a linear bearing;

[0038] The first rotating roller 51 and the second rotating roller 52 of the auxiliary component 5 are mounted on the inner side of the movable plate 33 via a rotating shaft and are covered with a wear-resistant rubber layer.

[0039] In this embodiment, the tool is driven by a manual operating lever 21. When the operating lever 21 is rotated, the worm gear 22 drives the worm wheel 31 to rotate, and the adjusting screw 32 rotates accordingly, causing the two pairs of movable plates 33 to move closer synchronously along the guide rod 41. The first and second rotating rollers 52 contact and clamp the pipes. Because the worm gear 22 and the worm wheel 31 are self-locking, the movable plates 33 remain clamped and will not loosen. The two pipes to be connected are placed in the limiting groove 12 at the positions corresponding to the movable plates 33. After clamping, the pipes can be pushed to accurately connect them. This solves the problems of loose clamping and misalignment of existing tools and is suitable for manual connection operations of small and medium diameter pipes.

[0040] Example 2

[0041] The difference between this embodiment and embodiment 1 is that the end of the operating lever 21 away from the worm gear 22 is connected to the drive motor through a coupling. The drive motor is a servo motor, which is fixed to the side of the support base 11 by welding through an L-shaped motor bracket. The axis of the motor output shaft coincides with the axis of the operating lever 21. The motor is equipped with a control switch to adjust the forward and reverse rotation and the speed.

[0042] In this embodiment, the tool can switch to electric operation mode. The drive motor is started by a control switch, and the motor output shaft drives the operating rod 21 and worm gear 22 to rotate, eliminating the need for manual rotation of the operating rod 21. The servo motor speed is controllable, which can slowly drive the adjusting screw 32 and the movable plate 33 to achieve slow and precise clamping of the pipe. It is especially suitable for large-diameter pipes (such as DN500 and above), avoiding the problem of laborious manual operation. The motor is fixed to the support base 11, the power input is stable, and the clamping efficiency is improved compared with Embodiment 1. It solves the problem of low efficiency of manual operation of existing tools and is suitable for batch pipe docking or large-diameter pipe operation scenarios.

[0043] Example 2

[0044] The difference between this embodiment and embodiment 1 is that: the outer surface of the guide rod 41 is coated with solid grease, and the inner ring of the linear bearing is also filled with grease; the thickness of the wear-resistant rubber layer of the first rotating roller 51 and the second rotating roller 52 is increased to 5mm, and anti-slip texture is opened on the surface of the rubber layer; a polyethylene wear-resistant pad is pasted on the inner wall of the limiting groove 12 of the support seat 11 to reduce the friction between the pipe and the limiting groove 12.

[0045] In this embodiment, the grease on the guide rod 41 cooperates with the linear bearing to further reduce the sliding friction of the movable plate 33, making the movement of the movable plate 33 smoother and avoiding jamming. The thickened anti-slip rubber layer of the rotating roller and the wear-resistant pad of the limiting groove 12 improve the anti-slip effect of pipe clamping on the one hand, and reduce the frictional loss between the pipe and the limiting groove 12 and the rotating roller when the pipe is pushed on the other hand, so that the pipe pushing resistance is reduced compared with Embodiment 2, and the docking process is smoother. At the same time, the anti-slip texture of the rubber layer prevents the pipe from axially shifting when pushed, further improving the docking accuracy and solving the problem of jamming when pushing with existing tools. It is suitable for pipe installation scenarios with high requirements for docking efficiency and accuracy (such as the docking of municipal water supply main pipes).

[0046] Working principle and usage process of this utility model:

[0047] Preparation stage: Based on the diameter of the pipes to be connected, confirm the initial position of the movable plate 33. If the pipe diameter is large, the operating lever 21 needs to be rotated in the opposite direction or the motor needs to be started in reverse to make the movable plates 33 move away from each other and leave enough space for placement. Place the two pipes to be connected into the limiting groove 12 of the support base 11 respectively, so that the pipe connecting ends face each other and the outer surface of the pipes corresponds to the positions of the first rotating roller 51 and the second rotating roller 52 on the inner side of the movable plate 33.

[0048] Clamping Stage: If it is a manual operation (Example 1), the construction worker holds the operating lever 21 and rotates it clockwise. The operating lever 21 drives the worm gear 22 to rotate smoothly inside the protective shell 13 through the deep groove ball bearing. The worm gear 22 meshes with the worm wheel 31, driving the worm wheel 31 to rotate synchronously. The adjusting screw 32, which is keyed to the worm wheel 31, rotates accordingly. Because the movable plate 33 cooperates with the adjusting screw 32 through the threaded hole, and the guide rod 41 restricts the rotation of the movable plate 33, the two pairs of movable plates 33 on the same adjusting screw 32 move closer to each other synchronously along the guide rod 41. When the rubber layer of the first rotating roller 51 and the second rotating roller 52 is in close contact with the outer surface of the pipe, the operating lever 21 is stopped from rotating. At this time, the worm gear 22 and the worm wheel 31 self-lock, and the movable plate 33 remains in the clamping state.

[0049] If it is electrically operated (Examples 2 and 3), press the forward rotation switch of the drive motor, and the motor output shaft drives the operating rod 21 and worm gear 22 to rotate through the coupling. The subsequent clamping process is the same as manual operation. By adjusting the speed through the motor control switch, the movable plate 33 can be moved slowly and accurately to avoid excessive clamping force and damage to the pipe. After clamping is completed, turn off the motor. The motor self-locks (the servo motor has a built-in brake function) and the worm gear self-locks to further ensure clamping stability.

[0050] During the docking phase: Push one of the pipes with both hands (or with the help of an auxiliary tool), and the pipe moves within the limiting groove 12. At the same time, the outer surface of the pipe contacts the first rotating roller 51 and the second rotating roller 52. The rotating rollers roll as the pipes move, converting sliding friction into rolling friction. The guide rod 41 ensures that the position of the movable plate 33 is fixed, and the pipes move smoothly along the direction of the limiting groove 12 until the docking ends of the two pipes are completely fitted (such as the bolt holes being aligned when flanges are docked). In embodiment 3, the grease on the guide rod 41 and the anti-slip rubber layer on the rotating rollers make the pipe pushing smoother and prevent deviation.

[0051] Disassembly stage: After the pipe connection is completed (such as after the flange bolts are tightened), if it is a manual operation, turn the operating lever 21 in the opposite direction. The worm gear 22 drives the worm wheel 31 and the adjusting screw 32 to rotate in the opposite direction. The movable plate 33 moves away from each other along the guide rod 41 and is disengaged from the pipe. If it is an electric operation, press the motor reverse switch. After the movable plate 33 moves away, the motor is turned off. Finally, the connected pipe is taken out from the limit groove 12 to complete one pipe connection operation.

[0052] The entire working process requires no repeated adjustments, with stable clamping, precise docking, and efficient operation, adapting to the pipe connection needs of different pipe diameters and operating scenarios.

[0053] The circuits, electronic components, and modules involved are all existing technologies, which can be fully implemented by those skilled in the art, and need not be elaborated upon. The content protected by this utility model does not involve any improvement to the software and methods.

[0054] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An auxiliary connection tool for water supply and drainage engineering pipelines, comprising a support (1), an operating component (2), an adjusting component (3), a guide component (4), and an auxiliary component (5), characterized in that: The support member (1) includes a support base (11), a limiting groove (12) and a protective shell (13). The top of the support base (11) is provided with a limiting groove (12) for limiting the position of the pipe, and a protective shell (13) for protecting the transmission structure is fixed on one side of the support base (11). The operating component (2) includes an operating lever (21) and a worm gear (22). One end of the operating lever (21) passes through the protective shell (13) and extends into the interior of the protective shell (13). The end of the operating lever (21) located inside the protective shell (13) is fixedly connected to the worm gear (22). The adjusting component (3) includes a worm gear (31), an adjusting screw (32), and a movable plate (33). The worm gear (22) meshes with the worm gear (31) for transmission. The center of the worm gear (31) is fixedly connected to one end of the adjusting screw (32). The other end of the adjusting screw (32) passes through the movable plate (33) and is rotatably connected to the support base (11). The movable plate (33) has a matching threaded hole corresponding to the position of the adjusting screw (32). The guide (4) is a guide rod (41), and the two ends of the guide rod (41) are fixedly connected to the inner wall of the support base (11), and the guide rod (41) passes through the movable plate (33) and slides with the movable plate (33); The auxiliary component (5) includes a first rotating roller (51) and a second rotating roller (52). The first rotating roller (51) and the second rotating roller (52) are rotatably mounted on the side of the movable plate (33) near the pipe and are distributed at intervals along the length of the movable plate (33).

2. The auxiliary connection tool based on water supply and drainage engineering pipelines according to claim 1, characterized in that: The protective shell (13) is connected to the support base (11) by bolt fixing or welding, and the protective shell (13) has an adaptation installation hole at the position where the operating rod (21) passes through, and the inner wall of the installation hole is provided with a sealing gasket.

3. The auxiliary connection tool based on water supply and drainage engineering pipelines according to claim 1, characterized in that: The two ends of the worm (22) are rotatably connected to the inner wall of the protective shell (13) through deep groove ball bearings, and the worm (22) and the operating rod (21) are coaxially fixedly connected, with their axes parallel to the top surface of the support base (11).

4. The auxiliary connection tool based on water supply and drainage engineering pipelines according to claim 1, characterized in that: The worm gear (31) and the adjusting screw (32) are coaxially fixedly connected, and the end of the adjusting screw (32) away from the worm gear (31) is rotatably connected to the support seat (11) through a thrust bearing. The axis of the adjusting screw (32) is parallel to the axis of the guide rod (41).

5. The auxiliary connection tool based on water supply and drainage engineering pipelines according to claim 1, characterized in that: The threaded hole on the movable plate (33) is adapted to the external thread of the adjusting screw (32), and the threads of the two pairs of movable plates (33) on the same adjusting screw (32) are opposite, so that the two pairs of movable plates (33) move closer or further away synchronously when the adjusting screw (32) rotates.

6. The auxiliary connection tool based on water supply and drainage engineering pipelines according to claim 1, characterized in that: The outer surface of the guide rod (41) is chrome plated, and the movable plate (33) is provided with a linear bearing at the position through which the guide rod (41) passes. The inner ring of the linear bearing is slidably engaged with the guide rod (41), and the outer ring is fixedly connected to the movable plate (33).

7. The auxiliary connection tool based on water supply and drainage engineering pipelines according to claim 1, characterized in that: The first rotating roller (51) and the second rotating roller (52) are rotatably connected to the movable plate (33) through a rotating shaft. The two ends of the rotating shaft are limited by the movable plate (33) through snap rings. The outer surfaces of the first rotating roller (51) and the second rotating roller (52) are covered with a wear-resistant rubber layer.

8. The auxiliary connection tool based on water supply and drainage engineering pipelines according to claim 1, characterized in that: The end of the operating lever (21) away from the worm gear (22) can be connected to a drive motor. The drive motor is fixedly connected to the support base (11) through a motor bracket, and the output shaft of the drive motor is coaxially connected to the operating lever (21) through a coupling.

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