Tool for reducing machining of pipeline inserting opening

Abstract

The utility model belongs to the technical field of pipeline machining, and particularly relates to a tool for reducing machining of a pipeline socket, which comprises an adjusting handle group, two parallel pipe pressing groups are assembled on the adjusting handle group, the adjusting handle group can adjust the distance between the two pipe pressing groups, and each pipe pressing group comprises a mounting seat mounted on the adjusting handle group. The mounting seat is rotatably connected with two pressing rod bodies which are arranged in parallel, the mounting seat is provided with two groups of circular mounting holes which are symmetrically arranged by taking the mounting seat as the center, the end part of each pressing rod body is fixedly connected with a connecting rod which can be mounted in any circular mounting hole, and a locking piece is assembled on the outer side of each connecting rod. The thin-wall pipeline reducing device is simple in structure, convenient to carry and well suitable for on-site reducing machining of a thin-wall pipeline when the thin-wall pipeline is maintained, a large contact area can be kept between a machined pipeline inserting opening and another pipeline, and connection is stable.

Description

Technical Field

[0001] The utility model belongs to the technical field of pipeline processing, and specifically relates to a tool for pipeline spigot diameter reduction processing. Background Art

[0002] Pipelines play a vital role in the fields of industry, construction, water supply, drainage, etc. Pipelines are tubular structures that transport fluids (liquids or gases) from one location to another. They are widely used to transport water, gas, oil, chemicals, food, and wastewater, etc.

[0003] When a pipeline is damaged, it needs to be repaired. During the repair process, the old pipeline needs to be removed, and then the new pipeline needs to be reduced in diameter, and then the pipeline can be connected to another existing pipeline.

[0004] Most of the existing pipe spigot reduction processing tools have complex structures, large volumes, and are inconvenient to move. They are very suitable for on-site pipe reduction processing during pipeline maintenance.

[0005] The Chinese patent with the authorization announcement number CN213496079U discloses a processing tool for reducing the diameter of the pipe socket, which is formed by mutual extrusion of cylindrical support rods, and the pipe is processed by rotation to evenly generate the concave effect. The operation is simple, the work efficiency is improved, and the volume is small, which can be well applied to the on-site reduction of thin-walled pipes.

[0006] However, since the inclination of the pipe socket processed by the tooling is uncontrollable, it cannot be well adapted to the original pipe, resulting in a small contact area between the pipes and poor connection stability. Utility Model Content

[0007] The utility model aims to provide a tool for reducing the diameter of a pipe socket, which has a simple structure and is easy to carry. It is very suitable for on-site reducing the diameter of thin-walled pipes during maintenance of thin-walled pipes. The processed pipe socket can maintain a large contact area with another pipe, and the connection is relatively stable.

[0008] The technical solutions adopted in this utility are as follows:

[0009] A tool for pipe spigot diameter reduction processing comprises an adjusting handle group, on which two parallel pipe pressing groups are mounted, and the adjusting handle group can adjust the distance between the two pipe pressing groups.

[0010] Furthermore, the tube pressing group includes a mounting seat mounted on the adjusting handle group, and two parallel-arranged pressing rod bodies are rotatably connected to the mounting seat.

[0011] Furthermore, the mounting seat is provided with two groups of circular mounting holes symmetrically arranged with respect to the center of the mounting seat, the end of the pressure rod body is fixedly connected with a connecting rod which can be installed in any circular mounting hole, and a locking piece is assembled on the outer side of the connecting rod.

[0012] Furthermore, the adjustment handle group includes a main shaft rod, one of the mounting seats is fixedly connected to the end of the main shaft rod, a slide is slidably connected to the main shaft rod, the other mounting seat is fixedly connected to the slide, and the main shaft rod is equipped with a moving group connected to the slide.

[0013] Furthermore, the moving group includes a fixed handle and a movable handle, the fixed handle is fixedly connected to one end of the main shaft rod away from the mounting seat, the movable handle slides on the main shaft rod, and the movable handle is located at a position where the fixed handle is close to the mounting seat, the movable handle and the slide are connected by a pull rope, and a rotating wheel is installed at one end of the main shaft rod away from the fixed handle, and the pull rope is passed around the rotating wheel.

[0014] Furthermore, a rope threading hole is provided on the movable handle, and the pull rope passes through the rope threading hole. A locking screw is threadedly connected on the movable handle and can extend into the rope threading hole to abut against the pull rope.

[0015] Furthermore, a tension piece is installed on the slide, and one end of the tension piece away from the slide is connected to a position of the main shaft rod close to the fixed handle.

[0016] The technical effects achieved by this utility model are:

[0017] The utility model discloses a tool for reducing the diameter of a pipe socket, which can adjust the distance between two parallel pipe pressing groups by adjusting the handle group, so that the end of the pipe can be reduced in diameter. The tool has a relatively simple structure, low production cost, and is easy to carry. The tool is well suitable for on-site processing during maintenance of thin-walled pipes. The processed pipe socket can maintain a larger contact area with another pipe, and the connection is relatively stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of this utility model;

[0019] Figure 2 It is a structural schematic diagram of the practical pressure pipe group;

[0020] Figure 3 This is a practical Figure 1 A partial enlarged view from another perspective at point A in the middle;

[0021] Figure 4 It is a structural side view of the utility model.

[0022] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0023] 1. Spindle rod; 2. Mounting seat; 3. Circular mounting hole; 4. Pressure rod body; 5. Connecting rod; 6. Locking piece; 7. Slide; 8. Tension piece; 9. Rotating wheel; 10. Rope threading hole; 11. Pull rope; 12. Fixed handle; 13. Movable handle; 14. Locking screw. DETAILED DESCRIPTION

[0024] In order to make the purpose and advantages of the present invention more clearly understood, the present invention is specifically described below in conjunction with the embodiments. It should be understood that the following text is only used to describe one or several specific implementations of the present invention, and does not strictly limit the scope of protection specifically requested by the present invention.

[0025] like Figure 1 As shown, a tool for reducing the diameter of a pipe spigot includes an adjusting handle group, on which two pressing tube groups are mounted. The adjusting handle group can adjust the distance between the two pressing tube groups. At this time, the two pressing tube groups are placed outside the end of the pipe, and then the distance between the two pressing tube groups is adjusted by adjusting the handle group, so that the two pressing tube groups compress the end of the pipe. At this time, the end of the pipe can be reduced in diameter by rotating the pipe or adjusting the handle group. The structure is relatively simple, the production cost is low, and it is easy to carry. It is very suitable for on-site processing during maintenance of thin-walled pipes.

[0026] Here, the two pressing tube groups are preferably arranged in parallel, and the angles of the pressing tube groups can also be other angles, so that the two pressing tube groups maintain different angles.

[0027] Among them, Figure 1-2 As shown, the pipe pressing group includes a mounting base 2 installed on the adjusting handle group, and two parallel pressure rod bodies 4 are rotatably connected to the mounting base 2. At this time, through the setting of the pressure rod body 4, the friction between the pressure rod body 4 and the pipeline can be reduced, and the pipeline wear and the force required to move the pressure rod body 4 on the outside of the pipeline can be reduced.

[0028] like Figure 2 As shown, the mounting seat 2 is provided with two groups of circular mounting holes 3 which are symmetrically arranged with the center of the mounting seat 2, and the circular mounting holes 3 are arranged in a row. The end of the pressure rod body 4 is fixedly connected with a connecting rod 5 which can be installed in any circular mounting hole 3, and the outer side of the connecting rod 5 is equipped with a locking piece 6, so that the position of the connecting rod 5 is limited after the connecting rod 5 is assembled so that it can only rotate. By adjusting the position of the pressure rod body 4, the distance between the two pressure rod bodies 4 can be adjusted to adapt to pipes with different diameters.

[0029] Specifically, the connecting rod 5 may be a threaded rod, and the locking member 6 may be a nut threadedly connected to the outside of the threaded rod.

[0030] Among them, Figure 1As shown, the adjustment handle group includes a main shaft rod 1, one mounting seat 2 is fixedly connected to the end of the main shaft rod 1, and a slide 7 is also slidably connected to the main shaft rod 1, and the other mounting seat 2 is fixedly connected to the slide 7. At this time, the distance between the two pipe pressing groups can be adjusted by sliding the slide 7, and through the setting of the main shaft rod 1, the pipe pressing group can be turned by utilizing the lever principle, thereby reducing the diameter of the pipeline with less effort.

[0031] Furthermore, in order to drive the slide 7 to move, the main shaft rod 1 is equipped with a moving group connected to the slide 7. The moving group can be a screw rod threadedly connected to the slide 7, and the position of the slide 7 can be adjusted by rotating the screw rod;

[0032] like Figure 1 and Figure 4 As shown, in order to allow the user to freely adjust the position of the slide 7 during the reduction processing, the present technical scheme selects another structure, which is that the moving group includes a fixed handle 12 and a movable handle 13, the fixed handle 12 is fixedly connected to the end of the main shaft rod 1 away from the mounting seat 2, the movable handle 13 slides on the main shaft rod 1, and the movable handle 13 is located at the position where the fixed handle 12 is close to the mounting seat 2. At this time, by holding the fixed handle 12 and the movable handle 13, the distance between the fixed handle 12 and the movable handle 13 can be freely adjusted, and the position of the movable handle 13 can be adjusted. The movable handle 13 and the slide 7 are connected by a pull rope 11, and the end of the main shaft rod 1 away from the fixed handle 12 is equipped with a rotating wheel 9, and the pull rope 11 passes around the rotating wheel 9. At this time, when the movable handle 13 moves up, the pull rope 11 can be used to pull down the slide 7 to adjust the position of the slide 7.

[0033] Moreover, in order to better adapt to pipes of different diameters, a rope threading hole 10 is opened on the movable handle 13, and the pull rope 11 passes through the rope threading hole 10. The movable handle 13 is threadedly connected with a locking screw 14 which can extend to the inside of the rope threading hole 10 and abut against the pull rope 11. At this time, by adjusting the connection position between the pull rope 11 and the movable handle 13, the distance between the two pipe pressing groups when the movable handle 13 is moved can be adjusted. After the adjustment is completed, the pull rope 11 can be locked using the locking screw 14.

[0034] At the same time, if Figure 1 As shown, a tension member 8 is installed on the slide 7. The tension member 8 can be a tension spring or an elastic rope. The end of the tension member 8 away from the slide 7 is connected to the position of the main shaft rod 1 close to the fixed handle 12. At this time, the slide 7 can be pulled by the tension member 8, so that the two mounting seats 2 are always separated when not subject to external force, which is convenient for the operator to place the two pipe pressing groups on the outside of the pipeline.

[0035] At the same time, the moving group can also be an electric push rod installed on the main shaft rod 1, the output end of the electric push rod is fixedly connected to the slide 7, and the controller of the electric push rod is installed on the main shaft rod 1. When in use, the electric push rod is started by the controller to adjust the position of the slide 7.

[0036] The working principle of the utility model is as follows: two pipe pressing groups are placed outside the end of the pipe, and then the fixed handle 12 and the movable handle 13 are held by hand, the movable handle 13 is pressed, and the movable handle 13 is pulled to the slide 7 through the pull rope 11, and the distance between the two pipe pressing groups is adjusted, so that the two pipe pressing groups compress the end of the pipe;

[0037] At this time, the end of the pipe can be reduced in diameter by rotating the main shaft rod 1;

[0038] In summary, the technical solution has a relatively simple structure, low production cost, and is easy to carry. It is well suitable for on-site processing during maintenance of thin-walled pipes, and the processed pipe socket can maintain a large contact area with another pipe, and the connection is relatively stable.

[0039] The above is only a preferred embodiment of the present invention. It should be noted that, for ordinary technicians in the field, several improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications should also be regarded as the protection scope of the present invention. The structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to the conventional means in the field unless otherwise specified and limited.

Claims

1. A tool for reducing the diameter of a pipe spigot, characterized in that: It includes an adjustment handle group, on which two pressing tube groups are mounted, and the adjustment handle group can adjust the distance between the two pressing tube groups; The pipe pressing group comprises a mounting seat (2) mounted on the adjusting handle group, and two parallel-arranged pressing rod bodies (4) are rotatably connected to the mounting seat (2); The adjustment handle assembly comprises a main shaft (1), wherein one of the mounting seats (2) is fixedly connected to the end of the main shaft (1), a slide frame (7) is slidably connected to the main shaft (1), the other mounting seat (2) is fixedly connected to the slide frame (7), and the main shaft (1) is equipped with a moving group connected to the slide frame (7); The moving group comprises a fixed handle (12) and a movable handle (13), wherein the fixed handle (12) is fixedly connected to an end of the main shaft (1) away from the mounting seat (2), the movable handle (13) slides on the main shaft (1), and the movable handle (13) is located at a position where the fixed handle (12) is close to the mounting seat (2), the movable handle (13) and the slide (7) are connected via a pull rope (11), and a rotating wheel (9) is installed at an end of the main shaft (1) away from the fixed handle (12), and the pull rope (11) passes around the rotating wheel (9); The movable handle (13) is provided with a rope threading hole (10), the pull rope (11) passes through the rope threading hole (10), and the movable handle (13) is threadedly connected with a locking screw (14) which can extend into the rope threading hole (10) and abut against the pull rope (11).

2. A tool for reducing the diameter of a pipe socket according to claim 1, characterized in that: The mounting seat (2) is provided with two groups of circular mounting holes (3) symmetrically arranged with respect to the center of the mounting seat (2); the end of the pressure rod body (4) is fixedly connected with a connecting rod (5) which can be mounted inside any of the circular mounting holes (3); and a locking piece (6) is mounted on the outer side of the connecting rod (5).

3. A tool for reducing the diameter of a pipe socket according to claim 1, characterized in that: A tension member (8) is mounted on the slide (7), and one end of the tension member (8) away from the slide (7) is connected to a position of the main shaft (1) close to the fixed handle (12).

Images