Electric precise cutting device and method suitable for metal electric power special optical cable

Abstract

The invention discloses an electric precise cutting device and method suitable for a metal electric power special optical cable. The electric precise cutting device comprises a shell, a rotating device, an abrasion cutting device, a power device and a control unit, the control unit is electrically connected with the abrasion cutting device and the power device and used for controlling the abrasion cutting device to stretch out and draw back and controlling the power device to start and stop. The rotating device is of an annular structure and is rotationally connected with the shell, at least two abrasion cutting devices are symmetrically arranged on one annular face of the rotating device, and the other annular face of the rotating device is in power connection with the power device. A through hole is formed in the shell, and the diameter of an inner ring of the rotating device and the diameter of the through hole are the same and are coaxially arranged. The preparation link of the device only needs to stretch the metal electric power special optical cable into the cutting ring of the device, the motor is manually operated for cutting, the hand is far away from the metal tool, the risk of cutting the hand is avoided, and one person can complete the process.

Description

Technical Field

[0001] The present invention relates to the field of optical cable cutting technology, and more particularly to an electric precision cutting device and method suitable for metal power special optical cables. Background Art

[0002] Special power optical cables are different from traditional optical cables that are attached to power lines or hung on power towers. They include optical fiber composite overhead ground wire OPGW, optical fiber composite overhead phase wire OPPC, ADSS, etc., of which OPGW and OPPC are metal power special optical cables. The stripping of the outer metal stranded wire is an important process in the welding operation of metal power special optical cables. This process must ensure the cleanliness of the stripped end face and must not damage the steel loose tube and the fiber core inside it.

[0003] The publication number is CN111482651A, and the name is a kind of optical cable cutting device. The main technical scheme of the present invention is: it includes: a base; a limiting component, which is arranged on the base, and a limited space is formed on the limiting component, and the limiting space is used to fix the piece to be cut; a cutting component, which is arranged opposite to the limiting space, and the cutting component includes: a cutting knife, and the cutting knife has a blade formed on at least one side facing the limiting space; a limiting surface facing the limiting space is formed on the side of the cutting knife, and along a first direction, a preset distance is formed between the tip of the blade and the limiting surface, and the distance between the tip of the blade and the limiting component is smaller than the distance between the limiting surface and the limiting component, wherein the first direction is from the limiting component to the cutting component; an adjusting component, which is arranged on the base and connected to the cutting component, and the adjusting component is used to control the cutting component to approach or move away from the limiting space.

[0004] The publication number is CN117817138A, and the name is a kind of optical cable cutting equipment, which includes a workbench, a support frame is installed on the top surface of the workbench, a driving cylinder is installed on the top of the support frame, and the driving cylinder and the end of the driving cylinder output end are provided with a laser cutting head, and the driving cylinder can drive the laser cutting head to move linearly.

[0005] At present, there are two methods commonly used in the outer metal strand stripping process:

[0006] (1) Use a hand saw to cut and peel the outer metal strands in a circular manner to a certain depth, and then manually push the metal strands apart, bend and break them.

[0007] The disadvantages of this method are: it is difficult to ensure the cleanliness of the peeled end surface, the sawing angle needs to be constantly adjusted, it requires at least two people to cooperate to complete, the operation time is long, and the work efficiency is low.

[0008] (2) Use an angle grinder to perform circular cutting and stripping. The operator uses an electric angle grinder to saw the outer layer of metal strands in a circular manner to a certain depth, and then manually pushes the metal strands apart, bends and breaks them apart.

[0009] Therefore, how to provide an electric precision cutting device and connection method suitable for metal power special optical cables is a problem that technical personnel in this field urgently need to solve. Summary of the invention

[0010] In view of this, the present invention provides an electric precision cutting device and method suitable for metal power special optical cables, aiming to solve the technical problems that it is difficult to ensure the cleanliness of the stripped end face, the sawing angle needs to be constantly adjusted, at least two people are required to cooperate to complete the operation, the operation time is long, the work efficiency is low, the cutting depth of the electric tool is difficult to control, and the steel loose tube and the fiber core inside it are easily cut.

[0011] In order to achieve the above object, the present invention adopts the following technical solution:

[0012] An electric precision cutting device suitable for metal power special optical cables, comprising: a housing and a rotating device arranged in the housing, a grinding and cutting device, a power device and a control unit;

[0013] The control unit is electrically connected to the grinding and cutting device and the power device, and is used to control the extension and retraction of the grinding and cutting device and the start and stop of the power device;

[0014] The rotating device is an annular structure and is rotatably connected to the housing. At least two grinding and cutting devices are symmetrically arranged on one annular surface of the rotating device, and the other annular surface is dynamically connected to the power device.

[0015] A through hole is provided on the shell, and the inner ring of the rotating device has the same diameter as the through hole and is coaxially arranged.

[0016] Furthermore, one annular surface of the rotating device is a smooth structure, and the other annular surface is a toothed structure. At least two grinding and cutting devices are symmetrically arranged on the smooth structure surface, and the toothed structure is meshed with the power device.

[0017] Furthermore, the grinding and cutting device includes a stepper motor, a connecting rod and a grinding and cutting head, the stepper motor is fixedly connected to the grinding and cutting head via the connecting rod, the connecting rod is arranged along the radial direction of the rotating device, the stepper motor is fixedly connected to the rotating device, and the grinding and cutting head moves along the radial direction of the rotating device via the connecting rod and the stepper motor.

[0018] Furthermore, the grinding and cutting device is also provided with a linkage control unit, and the linkage control unit is electrically connected to the plurality of stepper motors for coordinating and controlling the operation of the stepper motors.

[0019] Furthermore, the power device includes a motor, a rotating shaft and a rotating gear. The rotating gear is fixedly connected to the motor via the rotating shaft. The rotating gear is meshed with a toothed structure of the rotating device. The rotating gear drives the rotating device to rotate.

[0020] Furthermore, the housing is also provided with a charging power supply, and the charging power supply is electrically connected to the grinding and cutting device and the power device.

[0021] Furthermore, the control unit is also provided with a wireless transmission unit, and the wireless transmission unit is connected to the mobile terminal and is used to receive a control signal sent by the mobile terminal.

[0022] Furthermore, a positioning device is provided in the through hole of the shell for cutting and positioning the optical cable.

[0023] An electric precision cutting method suitable for metal power special optical cables, the optical cable is placed in the center of a rotating device, the control unit sends a signal to a grinding and cutting device, the stepper motor in the grinding and cutting device moves the grinding and cutting head to the center of the rotating device through a connecting rod until the grinding and cutting head abuts against the surface of the optical cable, the control unit sends a control signal to a power device, the motor in the power device drives the rotating gear to rotate through a rotating shaft, the rotating gear drives the rotating device meshed with it to rotate, and then the rotating device drives the grinding and cutting device fixedly connected to it to rotate, thereby achieving cutting of the optical cable surface, and at the same time, the stepper motor drives the grinding and cutting head to move to the center of the rotating device based on preset parameters to achieve optical cable cutting.

[0024] Furthermore, after the cutting is completed, the control unit sends a stop signal to the power device, the motor stops running, and the control unit sends a stop signal to the grinding and cutting device. The stepper motor in the grinding and cutting device moves the grinding and cutting head away from the center of the rotating device through the connecting rod to complete the cutting reset.

[0025] The above technical solution includes at least the following technical effects:

[0026] In the preparation phase, you only need to insert the metal power special optical cable into the cutting ring of the device, and manually operate the motor to cut. Keep your hands away from metal tools, so there is no risk of cutting your hands, and it can be completed by one person.

[0027] The cutting time takes tens of seconds, which is highly efficient and the operation time is extremely short;

[0028] The cutting operation of the device is completed by grinding slices with multiple high-speed industrial-grade high-hardness grinding wheels, which can ensure that the stripped end surface of the metal stranded wire is smooth and neat. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0030] Figure 1 This is a schematic diagram of the external overall structure of the present invention.

[0031] Figure 2 The figure is a schematic diagram of the internal overall structure of the present invention.

[0032] Figure 3 The figure is a schematic diagram of the structure of a grinding and cutting device of the present invention.

[0033] Figure 4 The figure is a schematic diagram of the structure of a control system of the present invention.

[0034] Among them, 1 is a shell, 2 is a rotating device, 3 is a grinding and cutting device, 4 is a power device, 5 is a control unit, 6 is a charging power supply, 31 is a stepping motor, 32 is a connecting rod, 33 is a grinding and cutting head, 34 is a linkage control unit, 41 is a motor, 42 is a rotating shaft, and 43 is a rotating gear. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the present invention are described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0036] See attached Figure 1-4 The embodiment of the present invention discloses an electric precision cutting device suitable for metal power special optical cables, comprising: a housing 1 and a rotating device 2 arranged in the housing 1, a grinding and cutting device 3, a power device 4 and a control unit 5;

[0037] The control unit 5 is electrically connected to the grinding and cutting device 3 and the power device 4, and is used to control the extension and retraction of the grinding and cutting device 3 and the start and stop of the power device 4; one annular surface of the rotating device 2 is a smooth structure, and the other annular surface is a toothed structure. At least two grinding and cutting devices 3 are symmetrically arranged on the smooth structure surface, and the toothed structure is meshed with the power device 4. The grinding and cutting device 3 includes a stepper motor 31, a connecting rod 32 and a grinding and cutting head 33. The stepper motor 31 is fixedly connected to the grinding and cutting head 33 through the connecting rod 32. The connecting rod 32 is arranged along the radial direction of the rotating device. The stepper motor 31 is fixedly connected to the rotating device 2, and the grinding and cutting head 33 moves along the radial direction of the rotating device 2 through the connecting rod 32 and the stepper motor 31. The grinding and cutting device 3 is also provided with a linkage control unit 34, which is electrically connected to multiple stepper motors 31 and is used to coordinate and control the operation of the stepper motors 31.

[0038] The rotating device 2 is an annular structure and is rotatably connected to the housing 1. At least two grinding and cutting devices 3 are symmetrically arranged on one annular surface of the rotating device 2, and the other annular surface is connected to the power device 4. The power device 4 includes a motor 41, a rotating shaft 42 and a rotating gear 42. The rotating gear 42 is fixedly connected to the motor 41 through the rotating shaft 42. The rotating gear 42 is meshed with the toothed structure of the rotating device 2, and the rotating gear 42 drives the rotating device 2 to rotate. The housing 1 is also provided with a charging power supply 6, which is electrically connected to the grinding and cutting device 3 and the power device 4. The control unit 5 is also provided with a wireless transmission unit, which is connected to the mobile terminal and is used to receive the control signal sent by the mobile terminal. A positioning device is also provided in the through hole of the housing 1 for cutting and positioning the optical cable.

[0039] The housing 1 is provided with a through hole 7 , and the inner ring diameter of the rotating device 2 is the same as the through hole 7 and is coaxially arranged.

[0040] An electric precision cutting method suitable for metal power special optical cables, the optical cable is placed in the center of a rotating device, the control unit sends a signal to a grinding and cutting device, the stepper motor in the grinding and cutting device moves the grinding and cutting head to the center of the rotating device through a connecting rod until the grinding and cutting head abuts against the surface of the optical cable, the control unit sends a control signal to a power device, the motor in the power device drives the rotating gear to rotate through a rotating shaft, the rotating gear drives the rotating device meshed with it to rotate, and then the rotating device drives the grinding and cutting device fixedly connected to it to rotate, so as to achieve cutting of the optical cable surface, and at the same time, the stepper motor drives the grinding and cutting head to move to the center of the rotating device based on preset parameters to achieve optical cable cutting. After the cutting is completed, the control unit sends a stop signal to the power device, the motor stops running, the control unit sends a stop signal to the grinding and cutting device, and the stepper motor in the grinding and cutting device moves the grinding and cutting head away from the center of the rotating device through a connecting rod to complete the cutting reset.

[0041] Specifically, the main body includes two parts: the left part is the grinding and cutting device 3, and the right part is the power device 4, which will be described in detail below.

[0042] The left grinding and cutting device 3 is characterized in that the main structure is a cubic structure with a square outside and a round inside. The length and width of the outer cubic front face are 320mm and 320mm respectively, and the thickness is 100mm. The diameter of the inner hollow cylinder front face is 120mm and the thickness is also 100mm.

[0043] The left grinding and cutting device 3 is characterized by: a rotating device 3 is embedded inside the main structure, and the structure is a ring gear turntable, whose inner and outer diameters are 120mm and 195mm respectively, and the thickness is 75mm. The front view of the turntable is a plane, and the back view of the turntable is a gear surface.

[0044] The left grinding and cutting device 3 is characterized by: a ring gear turntable is embedded inside the main structure, and 4 stepper motors 31 are embedded inside the turntable with an interval of 90° (a charging power supply 6 is integrated inside the stepper motor 31, which is a lithium battery and can be charged by an external power supply) and its linkage control unit 34. The connecting rod 32 of each stepper motor 31 is fixedly connected to the grinding and cutting head 33 with bolts. The grinding and cutting head is a high-density grinding wheel grinding slice with a diameter of 25mm. The stepper motor 31 can control the grinding wheel grinding slice to move forward and backward along the line connecting the center of the stepper motor shaft and the center of the ring gear turntable. The moving speed is 0.25mm / s and the depth stroke is 30mm.

[0045] The left grinding and cutting device 3 is characterized by: 4 high-precision stepper motors 31 distributed at 90° intervals are uniformly controlled by an external controller through a linkage control unit 34. The lower part of the controller is the two control buttons "forward" and "backward". Press and hold the "forward" button, and the 4 stepper motors control the 4 grinding wheel grinding slices to move toward the center of the ring gear turntable at a speed of 0.25mm / s. Release the button to stop automatically. Manual control is used to accurately clamp the outer metal stranded wire of the metal power special optical cable; press and hold the "backward" button, and the 4 stepper motors control the 4 grinding wheel grinding slices to move in the opposite direction of the center of the ring gear turntable at a speed of 0.25mm / s. Release the button to stop automatically. Manual control is used to detach the outer metal stranded wire of the metal power special optical cable, making it easier to pull out the optical cable. The middle part of the controller is the four control buttons "+0.1mm", "-0.1mm", "start", and "reset", which are used to accurately control the grinding and cutting depth of the outer metal stranded wire of the metal power special optical cable. "+0.1mm" and "-0.1mm" are used to adjust the die-cutting depth. Click the "Start" button, and the four stepper motors control the four grinding wheels to advance the set depth value at a speed of 0.1mm / s and then stop. With the high-speed rotation of the ring gear turntable ③, the die-cutting operation of the outer layer of metal strands is completed. Click the "Reset" button to reset the data.

[0046] The right power device 4 is characterized in that the right power device 4 and the left grinding and cutting device 3 are integrated into one structure, and its main structure is a rectangular parallelepiped structure, the length and width of the front view are 450mm and 320mm respectively, and the thickness is 100mm.

[0047] The right power device 4 is characterized in that a high-speed motor 41 is embedded inside the right power device 4, the output side of the high-speed motor 41 is a long rotating shaft 42, and a rotating gear 43 is provided at the end of the rotating shaft 42, which is an axis structure and meshes with the ring gear structure of the ring gear turntable of the left grinding and cutting device 3. The rotation of the high-speed motor 41 can synchronously drive the ring gear turntable of the left grinding and cutting device to rotate at a high speed.

[0048] The right power device 4 is characterized by: a rechargeable lithium battery integrated in the high-speed motor 41, and no external power supply is needed during field operation. The high-speed motor 41 can also be driven by an external 220V alternating current, and the external power supply can charge the rechargeable lithium battery integrated in the high-speed motor 41.

[0049] The right power device 4 is characterized in that two buttons, "start" and "stop", are arranged on the right side of the right power device 4. When the "start" button is pressed, the high-speed motor 41 starts to run, and when the "stop" button is pressed, the high-speed motor 41 stops running.

[0050] The electric precision cutting device suitable for metal power special optical cables designed according to the present invention has the following obvious advantages:

[0051] (1) In the preparation phase, you only need to insert the metal power special optical cable into the cutting ring of the device, and manually operate the motor to cut. Human hands are kept away from metal tools, so there is no risk of cutting hands, and it can be completed by one person;

[0052] (2) The cutting time takes tens of seconds, which is highly efficient and the operation time is extremely short;

[0053] (3) The cutting operation of the device is completed by four high-speed industrial-grade high-hardness grinding wheels, which can ensure that the stripped end surface of the metal strand is smooth and clean;

[0054] (4) The device is controlled by a high-precision stepper motor to control the outer metal strands of the metal power special optical cable with an accuracy of 0.1 mm, without the risk of cutting the steel loose tube and the fiber core inside.

[0055] The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0056] The above description of the disclosed embodiments enables one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An electric precision cutting device suitable for metal power special optical cables, characterized in that: include: A housing (1) and a rotating device (2), a grinding device (3), a power device (4) and a control unit (5) arranged in the housing (1); The control unit (5) is electrically connected to the grinding and cutting device (3) and the power device (4) and is used to control the extension and retraction of the grinding and cutting device (3) and the start and stop of the power device (4); The rotating device (2) is an annular structure and is rotationally connected to the housing (1); at least two grinding devices (3) are symmetrically arranged on one annular surface of the rotating device (2), and the other annular surface is power-connected to the power device (4); The shell (1) is provided with a through hole (7), and the inner ring diameter of the rotating device (2) is the same as the diameter of the through hole (7) and is coaxially arranged.

2. The electric precision cutting device for metal power special optical cables according to claim 1 is characterized in that: One annular surface of the rotating device (2) is a smooth structure, and the other annular surface is a toothed structure. At least two grinding and cutting devices (3) are symmetrically arranged on the smooth structure surface, and the toothed structure is meshed with the power device (4).

3. The electric precision cutting device for metal power special optical cables according to claim 1 is characterized in that: The grinding and cutting device (3) comprises a stepper motor (31), a connecting rod (32) and a grinding and cutting head (33); the stepper motor (31) is fixedly connected to the grinding and cutting head (33) via the connecting rod (32); the connecting rod (32) is arranged along the radial direction of the rotating device; the stepper motor (31) is fixedly connected to the rotating device (2); and the grinding and cutting head (33) moves along the radial direction of the rotating device (2) via the connecting rod (32) and the stepper motor (31).

4. The electric precision cutting device for metal power special optical cables according to claim 3 is characterized in that: The grinding and cutting device (3) is also provided with a linkage control unit (34), and the linkage control unit (34) is electrically connected to the plurality of stepping motors (31) and is used for coordinating and controlling the operation of the stepping motors (31).

5. The electric precision cutting device for metal power special optical cables according to claim 1 is characterized in that: The power device (4) comprises a motor (41), a rotating shaft (42) and a rotating gear (42); the rotating gear (42) is fixedly connected to the motor (41) via the rotating shaft (42); the rotating gear (42) is meshed with a toothed structure of the rotating device (2); and the rotating gear (42) drives the rotating device (2) to rotate.

6. The electric precision cutting device for metal power special optical cables according to claim 1, characterized in that: The housing (1) is also provided with a charging power source (6), and the charging power source (6) is electrically connected to the grinding and cutting device (3) and the power device (4).

7. The electric precision cutting device for metal power special optical cables according to claim 1, characterized in that: The control unit (5) is also provided with a wireless transmission unit, which is connected to the mobile terminal and is used to receive a control signal sent by the mobile terminal.

8. The electric precision cutting device for metal power special optical cables according to claim 1, characterized in that: A positioning device is also provided in the through hole of the housing (1) for cutting and positioning the optical cable.

9. An electric precision cutting method applicable to metal power special optical cables, applicable to any one of the electric precision cutting devices applicable to metal power special optical cables according to claims 1-8, characterized in that: Place the optical cable in the center of the rotating device, the control unit sends a signal to the grinding and cutting device, the stepper motor in the grinding and cutting device moves the grinding and cutting head to the center of the rotating device through the connecting rod until the grinding and cutting head is against the surface of the optical cable, the control unit sends a control signal to the power device, the motor in the power device drives the rotating gear to rotate through the rotating shaft, the rotating gear drives the rotating device meshing with it to rotate, and then the rotating device drives the grinding and cutting device fixedly connected to it to rotate, so as to achieve cutting of the optical cable surface, and at the same time, the stepper motor drives the grinding and cutting head to move to the center of the rotating device based on preset parameters to achieve optical cable cutting.

10. The electric precision cutting method for metal power special optical cables according to claim 9, characterized in that: After the cutting is completed, the control unit sends a stop signal to the power device, the motor stops running, and the control unit sends a stop signal to the grinding and cutting device. The stepper motor in the grinding and cutting device moves the grinding and cutting head away from the center of the rotating device through the connecting rod to complete the cutting reset.

Images