A special cutting tool and method for an optical cable protection pipe

Abstract

The present invention discloses a special cutting tool and method for an optical cable protection pipe, which includes a housing assembly, and further includes an adjusting mechanism and a cutting mechanism. The adjusting mechanism is arranged inside the housing assembly, and the cutting mechanisms are symmetrically arranged at one end of the housing assembly along the axial direction of the housing assembly. The cutting mechanisms are connected to the adjusting mechanism; along the vertical direction of the axial direction of the housing assembly, an optical cable protection pipe is arranged between the cutting mechanisms, and the adjusting mechanism is used to control the cutting mechanisms to realize the circumferential cutting of the optical cable protection pipe; further includes a pipe pressing assembly, the pipe pressing assembly is arranged at the bottom of the housing assembly, along the axial direction of the housing assembly, an optical cable protection pipe is arranged inside the pipe pressing assembly, and the adjusting mechanism is used to control the cutting mechanisms to realize the longitudinal axial cutting of the optical cable protection pipe. The cutting tool of the present invention integrates circumferential cutting and longitudinal axial cutting, is applicable to optical cable protection pipes with various pipe diameters below 50 mm, is convenient, simple and flexible to operate, and can conveniently cut the optical cable protection pipes in shallow grooves and pipe rows, improving work efficiency.

Description

Technical Field

[0001] The invention relates to a tool for cutting an optical cable protection tube, and in particular to a tool and method for cutting an optical cable protection tube. Background Art

[0002] With the rapid development of the power communication industry and technology, the laying and application of optical fibers are becoming more and more extensive. At the same time, the power industry pays more and more attention to the safety management of optical fibers. Optical cable protection tubes are also widely used as a new product. However, optical cable protection tubes are produced in circles, and the on-site laying environment is changeable. They often need to be processed on-site into different lengths. At present, there is no better on-site cutting tool. At the same time, it is difficult to modify the laid protection tubes, with many processing errors, low efficiency and heavy workload.

[0003] Especially for optical cable protection tubes of various diameters below 50mm, we urgently need a tool for horizontal and vertical cutting. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide a special cutting tool and method for optical cable protection tubes. The tool integrates horizontal cutting and longitudinal cutting, is suitable for protection tubes of various diameters below 50 mm, is easy to operate, simple and flexible, and can be used to easily cut off protection tubes in shallow trenches and row pipes, thereby improving work efficiency.

[0005] The present invention is achieved through the following technical solutions:

[0006] A special cutting tool for optical cable protection tubes, comprising a shell component, an adjustment mechanism, and a cutting mechanism, wherein the shell component is provided with the adjustment mechanism, the cutting mechanism is symmetrically arranged at one end of the shell component and along the axial direction of the shell component, and the cutting mechanism is connected to the adjustment mechanism; an optical cable protection tube is arranged between the cutting mechanisms along the vertical direction of the axial direction of the shell component, and the cutting mechanism is controlled by the adjustment mechanism to realize the ring cutting of the optical cable protection tube;

[0007] It also includes a tube pressing assembly, which is arranged at the bottom of the housing assembly, and an optical cable protection tube is arranged in the tube pressing assembly along the axial direction of the housing assembly, and the cutting mechanism is controlled by the adjustment mechanism to realize the longitudinal axial cutting of the optical cable protection tube;

[0008] It also includes a power source, which is electrically connected to the cutting mechanism to supply power to it.

[0009] The present invention discloses a special cutting tool for optical cable protection tubes. The special cutting tool for optical cable protection tubes is a tool specially used for transverse cutting and longitudinal cutting of optical cable protection tubes of various models and specifications. The tool is small in size, easy to carry, simple to operate, and convenient to construct. According to the specifications of the protection tube, the appropriate gap is adjusted, and it can be used for cutting most optical cable protection tubes on the market, and is suitable for various optical cable protection tube laying work scenes. The cutting tool of the present invention integrates transverse cutting (i.e., ring cutting) and longitudinal cutting (i.e., longitudinal axis cutting), and is suitable for protection tubes of various diameters below 50 mm. The operation is convenient, simple, and flexible, and it can be convenient for cutting optical cable protection tubes in shallow trenches and row pipes, thereby improving work efficiency.

[0010] Furthermore, the cutting mechanism includes symmetrical cutting components, which are referred to as a left cutting component and a right cutting component. The left cutting component and the right cutting component have the same structure and are symmetrically arranged along the axis of the housing component.

[0011] The left cutting assembly comprises a left cutting arm, a DC motor, and a cutting blade. One end of the left cutting arm is connected to the DC motor, and the DC motor is connected to the cutting blade via a connecting sleeve. The central axial direction of the cutting blade is perpendicular to the axial direction of the housing assembly.

[0012] The other end of the left cutting arm is installed in the housing assembly through a rotating shaft.

[0013] Furthermore, it also includes a toggle switch, which is connected to the DC motor. The DC motor is controlled by the toggle switch to drive the cutting blade to achieve circular cutting or longitudinal axial cutting of the optical cable protection tube.

[0014] Furthermore, the adjustment mechanism includes an adjustment nut, an adjustment screw and a spring, one end of the spring is fixed and the other end is connected to the adjustment screw, and an adjustment nut is sleeved on the end of the screw; teeth are correspondingly provided on the left and right rotating shafts, which are recorded as the rear end teeth of the left cutting arm and the rear end teeth of the right cutting arm;

[0015] The adjusting screw is provided with a thread at one end and a double-sided rack at the other end, and one end of the thread is the adjusting nut side; the adjusting nut rotates around the axis of the adjusting screw, and the thread and the adjusting nut form a thread pair to play a transmission role; when the adjusting nut rotates, the adjusting screw moves along the axial direction of the screw; the double-sided rack and the rear end teeth of the left cutting arm and the rear end teeth of the right cutting arm match to form a transmission pair, and when the rack moves along the axial direction of the adjusting screw, the symmetrically installed left and right cutting arms rotate around their respective rotating axes.

[0016] Furthermore, a hole is formed at the top of the housing component corresponding to the position of the adjusting nut, and the contour of the hole is such that the adjusting nut protrudes out of the housing component.

[0017] Furthermore, a groove is provided at the bottom of the housing component, and the pressure tube component and the groove at the bottom of the housing component are connected by screws;

[0018] An arc-shaped groove is provided on the shell component close to the cutting mechanism side to ensure that the optical cable protection tube and the shell component fit closely and are clamped together during ring cutting.

[0019] Furthermore, the tube pressing assembly includes a tube pressing cover and a tube pressing seat, both of which are semicircular tube bodies, and the tube pressing cover is fitted and buckled on the tube pressing seat to form a circular tube pressing sleeve; the tube pressing cover and the tube pressing seat are both provided with rollers, and the rollers are used to play an axial rolling guide when axially cutting the optical cable protection tube to prevent the protection tube from rotating.

[0020] Furthermore, it also includes an indicator light, which is arranged on the upper part of the housing component and close to the cutting blade side; the indicator light is connected to the power supply; the indicator light adopts an LED lamp.

[0021] Furthermore, the power source is a lithium battery.

[0022] On the other hand, the present invention also provides a method for using a special cutting tool for optical cable protection tubes, using the special cutting tool for optical cable protection tubes to cut the optical cable protection tubes; including ring cutting of the optical cable protection tubes and longitudinal axis cutting of the optical cable protection tubes; wherein:

[0023] Circular cutting of the optical cable protection tube: according to the different diameters and wall thicknesses of the optical cable protection tubes, turn the adjustment nut, turn the switch, and the DC motor drives the cutting blade to rotate and cut. At the same time, the entire cutting tool can rotate around the axis of the optical cable protection tube to complete the cutting;

[0024] Perform longitudinal axial cutting on the optical cable protection tube: turn the adjusting nut to rotate, and the adjusting screw moves along the axis toward the adjusting nut side, and the left and right cutting components open at the same time. When the adjusting screw is close to the adjusting nut side and there is no nut section close to the adjusting nut, the adjusting nut cannot rotate. At this time, the cutting tube diameter is the largest; turn the adjusting nut to rotate, and the adjusting screw moves along the axis away from the adjusting nut side, and the left and right cutting components close at the same time. When the adjusting screw is away from the adjusting nut side and there is no nut section close to the tail end gears of the left and right cutting arms, the adjusting nut cannot rotate. At the same time, the left and right cutting arms are close to the outer shell, and the cutting tube diameter is the smallest.

[0025] Compared with the prior art, the present invention has the following advantages and beneficial effects:

[0026] 1. The present invention realizes a tool for transverse cutting and longitudinal cutting of optical cable protection tubes of various specifications, thicknesses, materials and hardnesses. The tool is small in size, easy to carry, simple to operate and convenient to construct. According to the specifications of the optical cable protection tube, the appropriate gap is adjusted and can be used for cutting most optical cable protection tubes on the market, and is suitable for various optical cable protection tube laying work scenarios.

[0027] 2. The cutting tool of the present invention integrates transverse cutting (i.e., circular cutting) and longitudinal cutting (i.e., longitudinal axis cutting), and is suitable for optical cable protection tubes of various diameters below 50 mm. The operation is convenient, simple and flexible, and the protection tubes in shallow trenches and row pipes can be conveniently cut to improve work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The drawings described herein are used to provide a further understanding of the embodiments of the present invention, constitute a part of this application, and do not constitute a limitation of the embodiments of the present invention. In the drawings:

[0029] Figure 1 The figure is a schematic top view of the structure of a special cutting tool for an optical cable protection tube according to the present invention.

[0030] Figure 2 For the present invention Figure 1 BB cross-sectional view.

[0031] Figure 3 The present invention is a schematic diagram of the main structure of a special cutting tool for optical cable protection tubes.

[0032] Figure 4 The present invention is a schematic diagram of the detailed internal structure of a special cutting tool for an optical cable protection tube.

[0033] Figure 5 For the present invention Figure 4 Schematic diagram of the structure of the middle adjustment mechanism.

[0034] Figure 6 It is a schematic diagram of the structure of the compression tube assembly in the present invention.

[0035] Figure 7 The present invention is a structural diagram of a special cutting tool for optical cable protection tubes for implementing ring cutting on optical cable protection tubes.

[0036] Figure 8 The present invention is a stereoscopic diagram of a special cutting tool for optical cable protection tubes implementing ring cutting on an optical cable protection tube.

[0037] Fig. 9 This is a schematic structural diagram of the present invention when the diameter of the longitudinally cut optical cable protection tube is the largest.

[0038] Fig.10 This is a structural schematic diagram of the present invention when the diameter of the longitudinally cut optical cable protection tube is the smallest.

[0039] Reference numerals and corresponding component names:

[0040] 1-housing assembly, 2-left cutting assembly, 3-right cutting assembly, 4-adjusting mechanism, 5-tube pressing assembly, 6-cutting blade, 7-connecting sleeve, 8-gasket, 9-pressing screw, 10-DC motor, 11-adjusting screw, 110-thread, 111-rack, 12-adjusting nut, 13-cable protection tube, 14-battery cover, 15-right cutting arm, 16-left cutting arm, 18-spindle, 20-power supply, 21-toggle switch, 22-indicator light, 23-tube pressing cover, 24-tube pressing seat, 25-roller, 26-spring, 27-rear end tooth of left cutting arm, 28-rear end tooth of right cutting arm, 29-groove. DETAILED DESCRIPTION

[0041] In order to make the objectives, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with embodiments and drawings. The exemplary embodiments of the present invention and their description are only used to explain the present invention and are not intended to limit the present invention.

[0042] In the following description, a large number of specific details are set forth in order to provide a thorough understanding of the present invention. However, it is apparent to one of ordinary skill in the art that these specific details are not necessarily employed to practice the present invention. In other instances, well-known structures, circuits, materials, or methods are not specifically described in order to avoid obscuring the present invention.

[0043] Throughout the specification, references to "one embodiment," "an embodiment," "an example," or "an example" mean that a particular feature, structure, or characteristic described in conjunction with the embodiment or example is included in at least one embodiment of the present invention. Therefore, the phrases "one embodiment," "an embodiment," "an example," or "an example" appearing in various places throughout the specification do not necessarily all refer to the same embodiment or example. In addition, particular features, structures, or characteristics may be combined in one or more embodiments or examples in any suitable combination and / or sub-combination. In addition, it will be appreciated by those of ordinary skill in the art that the figures provided herein are for illustrative purposes and that the figures are not necessarily drawn to scale. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0044] In the description of the present invention, it should be understood that the terms "front", "rear", "left", "right", "up", "down", "vertical", "horizontal", "high", "low", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as limiting the scope of protection of the present invention.

[0045] Example

[0046] like Figures 1 to 10 As shown, the present invention is a special cutting tool for optical cable protection tube, comprising a shell component 1, an adjusting mechanism 4, and a cutting mechanism. The shell component 1 is provided with the adjusting mechanism 4, and the cutting mechanism is symmetrically arranged at one end of the shell component 1 and along the axial direction of the shell component 1, and the cutting mechanism is connected to the adjusting mechanism 4; along the vertical direction of the axial direction of the shell component 1, an optical cable protection tube 13 is arranged between the cutting mechanisms, and the cutting mechanism is controlled by the adjusting mechanism 4 to realize the ring cutting of the optical cable protection tube 13;

[0047] It also includes a pressing tube assembly 5, which is arranged at the bottom of the housing assembly 1. An optical cable protection tube 13 is arranged in the pressing tube assembly 5 along the axial direction of the housing assembly 1. The cutting mechanism is controlled by the adjustment mechanism 4 to achieve longitudinal axial cutting of the optical cable protection tube 13.

[0048] The cutting mechanism also includes a power source 20 and a wire, wherein the power source 20 is electrically connected to the cutting mechanism through the wire to supply power to the cutting mechanism. In this embodiment, the power source 20 is a lithium battery, and a battery cover 14 is provided on the lithium battery.

[0049] In this embodiment, the cutting mechanism includes symmetrical cutting components, which are denoted as a left cutting component 2 and a right cutting component 3. The left cutting component 2 and the right cutting component 3 have the same structure and are symmetrically arranged along the axis of the housing component 1.

[0050] The left cutting assembly 2 includes a left cutting arm 16, a DC motor 10, a cutting blade 6, a clamping screw 9, and a gasket 8. One end of the left cutting arm 16 is connected to the DC motor 10, and the DC motor 10 is connected to the cutting blade 6 through a connecting sleeve 7. The central axial direction of the cutting blade 6 is perpendicular to the axial direction of the outer shell assembly 1; the optical cable protection tube 13 is cut by the cutting blade 6 rotating at a high speed on the cutting assembly.

[0051] The other end of the left cutting arm 16 is installed in the housing assembly 1 via a rotating shaft 18 .

[0052] In this embodiment, a toggle switch 21 is also included, and the toggle switch 21 is connected to the DC motor 10. The power supply 20 supplies power to the DC motors 10 on the left and right cutting components. The toggle switch 21 controls the DC motor 10 to drive the cutting blade 6 to achieve circular cutting or longitudinal axial cutting of the optical cable protection tube 13.

[0053] In this embodiment, Figure 4 , Figure 5 As shown, the adjustment mechanism 4 includes an adjustment nut 12, an adjustment screw 11 and a spring 26, one end of the spring 26 is fixed and the other end is connected to the adjustment screw 11, and the end of the screw 11 is sleeved with an adjustment nut 12; the left and right rotating shafts 18 are respectively provided with teeth, which are recorded as the rear end teeth 27 of the left cutting arm and the rear end teeth 28 of the right cutting arm;

[0054] A thread 110 is provided on one end of the adjusting screw 11 and a double-sided rack 111 is provided on the other end, and one end of the thread 110 is on the side of the adjusting nut 12; the adjusting nut 12 rotates around the axis of the adjusting screw 11, and the thread 110 and the adjusting nut 12 form a thread pair to play a transmission role; when the adjusting nut 12 rotates, the adjusting screw 11 moves along the axial direction of the screw; the double-sided rack 111 and the rear end teeth 27 of the left cutting arm and the rear end teeth 28 of the right cutting arm match to form a transmission pair, and when the rack 111 moves along the axial direction of the adjusting screw 11, the symmetrically installed left and right cutting arms rotate around their respective rotation axes.

[0055] In this embodiment, a hole is opened at the top of the housing component 1 corresponding to the position of the adjusting nut 12 , and the hole profile is just right to make the adjusting nut 12 protrude outside the housing component 1 .

[0056] In this embodiment, a groove 29 is provided at the bottom of the outer shell component 1, and the pressing tube component 5 and the groove at the bottom of the outer shell component 1 are connected by screws; an arc-shaped groove 30 is provided on the outer shell component 1 close to the cutting mechanism side to ensure that the optical cable protection tube 13 fits closely with the outer shell component 1 and is clamped during ring cutting.

[0057] In this embodiment, Figure 6 As shown, the tube pressing assembly 5 includes a tube pressing cover 23 and a tube pressing seat 24. The tube pressing cover 23 and the tube pressing seat 24 are both semicircular tubes. The tube pressing cover 23 fits on the tube pressing seat 24 to form a circular tube pressing sleeve. The tube pressing cover 23 and the tube pressing seat 24 are both provided with rollers 25. The rollers 25 are used to play an axial rolling guide when axially cutting the optical cable protection tube 13 to prevent the protection tube from rotating.

[0058] In this embodiment, an indicator light 22 is also included. The indicator light 22 is arranged on the upper part of the housing component 1 and close to the cutting blade 6. The indicator light 22 is connected to the power supply 20. The indicator light 22 is an LED lamp.

[0059] The present invention discloses a special cutting tool for optical cable protection tubes. The special cutting tool for optical cable protection tubes is a tool specially used for transverse cutting and longitudinal cutting of optical cable protection tubes of various models and specifications. The tool is small in size, easy to carry, simple to operate, and convenient to construct. According to the specifications of the protection tube, the appropriate gap is adjusted, and it can be used for cutting most optical cable protection tubes on the market, and is suitable for various optical cable protection tube laying work scenes. The cutting tool of the present invention integrates transverse cutting (i.e., ring cutting) and longitudinal cutting (i.e., longitudinal axis cutting), and is suitable for optical cable protection tubes of various diameters below 50 mm. It is easy, simple, and flexible to operate, and can be convenient for cutting optical cable protection tubes in shallow trenches and row pipes, thereby improving work efficiency.

[0060] On the other hand, the present invention also provides a method for using a special cutting tool for optical cable protection tubes, using the above-mentioned special cutting tool for optical cable protection tubes to cut the optical cable protection tubes; including ring cutting of the optical cable protection tubes and longitudinal axis cutting of the optical cable protection tubes; wherein:

[0061] like Figure 7 , Figure 8 As shown, the optical cable protection tube is cut in a circular manner: according to the optical cable protection tubes with different diameters and wall thicknesses, the adjusting nut is turned, the switch is turned, and the DC motor drives the cutting blade to rotate and cut. At the same time, the entire cutting tool can rotate in a circle around the axis of the optical cable protection tube to complete the cutting;

[0062] Figure 1 The top view of a special cutting tool for optical cable protection tube is a schematic diagram of the structure, which is used to perform longitudinal axial cutting on the optical cable protection tube. Fig. 9 , Fig.10 As shown, the optical cable protection tube is cut longitudinally: Fig. 9 This is a structural diagram of the maximum diameter of the longitudinally cut optical cable protection tube. The adjusting nut is turned to rotate, and the adjusting screw moves along the axis toward the adjusting nut. At the same time, the left and right cutting components are opened. When the adjusting screw is close to the adjusting nut and there is no nut section close to the adjusting nut, the adjusting nut cannot rotate. At this time, the cutting diameter is the largest.

[0063] Fig.10 This is a structural diagram when the diameter of the longitudinally cut optical cable protection tube is the smallest. When the adjusting nut is turned, the adjusting screw moves along the axis away from the adjusting nut. At the same time, the left and right cutting components are closed. When the adjusting screw is away from the adjusting nut and there is no nut section close to the tail end gears of the left and right cutting arms, the adjusting nut cannot rotate. At the same time, the left and right cutting arms are close to the outer shell. At this time, the cutting diameter is the smallest.

[0064] like Figure 6As shown, in this embodiment, the pressing tube assembly 5 includes a pressing tube cover 23 and a pressing tube seat 24. The pressing tube cover 23 and the pressing tube seat 24 are both semicircular tube bodies. The pressing tube cover 23 fits and snaps on the pressing tube seat 24 to form a circular ring-shaped pressing tube sleeve; the pressing tube cover 23 and the pressing tube seat 24 are both provided with rollers 25. The rollers 25 are used to guide the axis when axially cutting the optical cable protection tube 13 to prevent the protection tube from rotating. The pressing tube assembly 5 and the bottom groove 29 of the outer shell assembly 1 are connected by screws. The internal arc diameter of the pressing tube assembly 5 can be made into a series of specifications of different sizes. At the same time, it is ensured that the optical cable protection tube 13 to be cut after cutting is divided into two halves of the same size.

[0065] The cutting tool of the present invention is suitable for optical cable protection tubes of various specifications, various thicknesses, and different materials and hardnesses. The present invention integrates transverse cutting and longitudinal cutting, is easy to operate and use, and has good longitudinal cutting straightness.

[0066] The specific implementation methods described above further illustrate the objectives, technical solutions and beneficial effects of the present invention in detail. It should be understood that the above description is only a specific implementation method of the present invention and is not intended to limit the scope of protection of the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A special cutting tool for optical cable protection tube, comprising a housing component (1), It is characterized in that It also comprises an adjusting mechanism (4) and a cutting mechanism, wherein the adjusting mechanism (4) is provided in the housing component (1), and the cutting mechanism is symmetrically arranged at one end of the housing component (1) and along the axial direction of the housing component (1), and the cutting mechanism is connected to the adjusting mechanism (4); an optical cable protection tube (13) is provided between the cutting mechanisms in a vertical direction along the axial direction of the housing component (1), and the cutting mechanism is controlled by the adjusting mechanism (4) to achieve circular cutting of the optical cable protection tube (13); It also comprises a tube pressing assembly (5), the tube pressing assembly (5) being arranged at the bottom of the housing assembly (1), an optical cable protection tube (13) being arranged inside the tube pressing assembly (5) along the axial direction of the housing assembly (1), and a cutting mechanism being controlled by an adjustment mechanism (4) to achieve longitudinal axial cutting of the optical cable protection tube (13); It also includes a power source (20), the power source (20) being electrically connected to the cutting mechanism to supply power to it; The adjusting mechanism (4) comprises an adjusting nut (12), an adjusting screw (11) and a spring (26), one end of the spring (26) being fixed and the other end being connected to the adjusting screw (11), and the end of the screw (11) being sleeved with the adjusting nut (12); the left and right rotating shafts (18) are respectively provided with teeth, which are denoted as the rear end teeth portion (27) of the left cutting arm and the rear end teeth portion (28) of the right cutting arm; The adjusting screw (11) has a thread (110) at one end and a double-sided rack (111) at the other end, and one end of the thread (110) is on the adjusting nut (12) side; the adjusting nut (12) rotates around the axis of the adjusting screw (11), and the thread (110) and the adjusting nut (12) form a thread pair to play a transmission role; when the adjusting nut (12) rotates, the adjusting screw (11) moves along the axial direction of the screw; the double-sided rack (111) meshes with the rear end teeth (27) of the left cutting arm and the rear end teeth (28) of the right cutting arm to form a transmission pair, and when the double-sided rack (111) moves along the axial direction of the adjusting screw (11), the symmetrically installed left and right cutting arms rotate around their respective rotation axes; The bottom of the housing component (1) is provided with a groove (29), and the pressure tube component (5) and the groove (29) at the bottom of the housing component (1) are connected by screws; A circular arc groove (30) is provided on the housing component (1) close to the cutting mechanism side; The tube pressing assembly (5) comprises a tube pressing cover (23) and a tube pressing seat (24). The tube pressing cover (23) and the tube pressing seat (24) are both semicircular tube bodies. The tube pressing cover (23) is fitted and buckled onto the tube pressing seat (24) to form a circular tube pressing sleeve. The tube pressing cover (23) and the tube pressing seat (24) are both provided with rollers (25). The rollers (25) are used to guide the axis when the optical cable protection tube (13) is longitudinally cut in the axial direction.

2. A special cutting tool for optical cable protection tube according to claim 1, It is characterized in that The cutting mechanism comprises symmetrical cutting components, denoted as a left cutting component (2) and a right cutting component (3); the left cutting component (2) and the right cutting component (3) have the same structure and are symmetrically arranged along the axis of the housing component (1); The left cutting assembly (2) comprises a left cutting arm (16), a DC motor (10), and a cutting blade (6); one end of the left cutting arm (16) is connected to the DC motor (10); the DC motor (10) is connected to the cutting blade (6) via a connecting sleeve (7); and the central axial direction of the cutting blade (6) is perpendicular to the axial direction of the housing assembly (1); The other end of the left cutting arm (16) is installed in the housing assembly (1) via a rotating shaft (18).

3. A special cutting tool for optical cable protection tube according to claim 2, It is characterized in that It also comprises a toggle switch (21), the toggle switch (21) being connected to the DC motor (10), and the DC motor (10) being controlled by the toggle switch (21) to drive the cutting blade (6) to achieve circular cutting or longitudinal axial cutting of the optical cable protection tube (13).

4. A special cutting tool for optical cable protection tube according to claim 2, It is characterized in that A hole is opened at the top of the housing component (1) corresponding to the position of the adjusting nut (12), and the profile of the hole is just enough to make the adjusting nut (12) protrude outside the housing component (1).

5. A special cutting tool for optical cable protection tube according to claim 2, It is characterized in that It also comprises an indicator light (22), the indicator light (22) being arranged on the upper part of the housing component (1) and close to the cutting blade (6); the indicator light (22) being connected to the power supply (20); and the indicator light (22) being an LED light.

6. A special cutting tool for optical cable protection tube according to claim 2, It is characterized in that The power source (20) is a lithium battery.

7. A method for using a special cutting tool for optical cable protection tube, It is characterized in that The optical cable protection tube is cut using a special cutting tool for optical cable protection tube as claimed in any one of claims 2 to 6; including circular cutting of the optical cable protection tube and longitudinal axial cutting of the optical cable protection tube; wherein: Circular cutting of the optical cable protection tube: according to the different diameters and wall thicknesses of the optical cable protection tubes, turn the adjustment nut, turn the switch, and the DC motor drives the cutting blade to rotate and cut. At the same time, the entire cutting tool rotates around the axis of the optical cable protection tube to complete the cutting; Perform longitudinal axial cutting on the optical cable protection tube: turn the adjusting nut to rotate, and the adjusting screw moves along the axis toward the adjusting nut side, and the left and right cutting components open at the same time. When the adjusting screw is close to the adjusting nut side and there is no nut section close to the adjusting nut, the adjusting nut cannot rotate. At this time, the cutting tube diameter is the largest; turn the adjusting nut to rotate, and the adjusting screw moves along the axis away from the adjusting nut side, and the left and right cutting components close at the same time. When the adjusting screw is away from the adjusting nut side and there is no nut section close to the tail end gears of the left and right cutting arms, the adjusting nut cannot rotate. At the same time, the left and right cutting arms are close to the outer shell, and the cutting tube diameter is the smallest.

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