Cable radial cutting system and reaction force cone processing equipment having the same

Abstract

The present invention belongs to the field of cable processing equipment, and discloses a cable radial cutting system and a reaction force cone processing equipment having the same. The cable radial cutting system includes a cutting bracket, a planetary gear set, a first driving member and a second driving member, all of which are installed on the cutting bracket, and a cutting tool driven to rotate and move radially by the planetary gear set, and the first driving member and the second driving member jointly drive the planetary gear set to rotate. The present invention drives the planetary gear set to rotate by the first driving member and the second driving member, so that the planetary gear set can drive the cutting tool to rotate and move radially as needed, thereby meeting the cutting processing of reaction force cones of different sizes.

Description

Technical Field

[0001] The invention relates to the field of cable processing equipment, in particular to a cable radial cutting system and reaction force cone processing equipment having the same. Background Art

[0002] High-voltage direct current transmission has the advantages of high transmission efficiency and low energy loss. Because it is more economical than AC transmission, it is widely used in long-distance or ultra-long-distance transmission. However, due to the limitations of the high-voltage cable manufacturing process, the maximum length of jointless manufacturing is 10km. When ultra-long-distance transmission is to be achieved, the single cable joint needs to be processed so that multiple cables can be spliced ​​together. At the cable joint, due to the two different insulating materials of cable body insulation and additional insulation, its electric field distribution is different from that of the cable body, which causes a certain potential difference between two adjacent points on the same layer of insulation, that is, the axial field strength, that is, the axial stress. Therefore, the insulation layer near the conductor connection end is usually cut into a conical surface, that is, a reaction force cone, and then wrapped with additional insulation, and stress cone surfaces are formed at both ends of the additional insulation.

[0003] When processing reaction force cones, cutting equipment is usually used. However, the existing cutting equipment can usually only process reaction force cones of fixed sizes and cannot meet the processing requirements for reaction force cones of different sizes. Summary of the invention

[0004] The object of the present invention is to provide a cable radial cutting system and a reaction force cone processing device having the same, so as to solve the problem that the existing cutting equipment cannot meet the processing requirements for reaction force cones of different sizes.

[0005] To achieve this object, the present invention adopts the following technical solutions:

[0006] A cable radial cutting system comprises a cutting bracket, a planetary gear set, a first driving member and a second driving member all mounted on the cutting bracket, and a cutting tool driven to rotate and move radially by the planetary gear set, wherein the first driving member and the second driving member jointly drive the planetary gear set to rotate.

[0007] Preferably, the planetary gear set includes a fixed gear driven to rotate by the first driving member, a planetary carrier fixedly mounted on the fixed gear, a planetary gear rotatably arranged on the planetary carrier and meshing with the fixed gear, a ring gear meshing with the planetary gear and capable of being driven to rotate by the second driving member, and a tool driving gear driven to rotate synchronously by the planetary gears, and a rack fixed to the cutting tool and meshing with the tool driving gear.

[0008] Preferably, it further comprises a power input gear fixedly connected to the fixed gear, and the output end of the first driving member can drive the power input gear to rotate.

[0009] Preferably, it further comprises a first transmission gear, wherein the first transmission gear is fixedly connected to the output end of the first driving member, and the first transmission gear is meshed with the power input gear.

[0010] Preferably, it further comprises a second transmission gear, wherein the second transmission gear is fixedly connected to the output end of the second driving member, and the second transmission gear is meshed with the outer teeth of the ring gear.

[0011] Preferably, a gear shaft is rotatably provided on the planet carrier, and the gear shaft is fixedly connected to the planetary gear.

[0012] Preferably, a plurality of the gear shafts are provided, and the plurality of gear shafts are evenly distributed circumferentially on the planet carrier.

[0013] Preferably, it further comprises a tool mounting seat, wherein the tool mounting seat is fixedly mounted on one side of the planet carrier, the tool driving gear is placed in the tool mounting seat, and the cutting tool slides radially in the tool mounting seat.

[0014] The present invention also provides a reaction force cone processing device, comprising the above-mentioned cable radial cutting system.

[0015] Beneficial effects of the present invention: by driving the planetary gear set to rotate together with the first driving member and the second driving member, the planetary gear set can drive the cutting tool to rotate and move radially as required, thereby satisfying the cutting processing of reaction force cones of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the cable radial cutting system provided by the present invention;

[0017] Figure 2 is a top view of the cable radial cutting system provided by the present invention;

[0018] Figure 3 It is a schematic structural diagram of a cable radial cutting system provided by the present invention showing a tool driving gear;

[0019] Figure 4 is a cross-sectional schematic diagram of a cable radial cutting system provided by the present invention;

[0020] Figure 5 It is a transmission schematic diagram of the cable radial cutting system provided by the present invention.

[0021] In the figure:

[0022] 1. Cutting bracket; 2. Planetary gear set; 21. Fixed gear; 22. Planetary carrier; 23. Planetary gear; 24. Ring gear; 25. Tool drive gear; 26. Rack; 27. Gear shaft; 3. First drive member; 4. Second drive member; 5. Cutting tool; 6. Power input gear; 7. First transmission gear; 8. Second transmission gear; 9. Tool mounting seat. DETAILED DESCRIPTION

[0023] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0024] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0026] In the description of this embodiment, the terms "upper", "lower", "right", etc., directions or positional relationships are based on the directions or positional relationships shown in the drawings, and are only for the convenience of description and simplification of operation, 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 cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0027] The present invention provides a cable radial cutting system, which can realize the processing of reaction force cones and can be applicable to the processing of reaction force cones of different sizes. Figure 1As shown, the cable cutting system includes a cutting bracket 1, a planetary gear set 2, a first driving member 3, a second driving member 4 and a cutting tool 5, wherein the planetary gear set 2, the first driving member 3 and the second driving member 4 are all installed on the cutting bracket 1, the first driving member 3 and the second driving member 4 can jointly drive the planetary gear set 2 to rotate, and the cutting tool 5 can be driven by the planetary gear set 2 to rotate and move radially.

[0028] like Figure 2-5 As shown, the planetary gear set 2 includes a fixed gear 21, a planet carrier 22, a planetary gear 23, a ring gear 24, a tool drive gear 25 and a rack 26, wherein:

[0029] The fixed gear 21 is rotatably arranged on the cutting support 1, and can be driven to rotate by the first driving member 3. Preferably, a first transmission gear 7 can be fixed at the output end of the first driving member 3, and the first transmission gear 7 is meshed with a power input gear 6, and the power input gear 6 is fixedly connected to one end of the fixed gear 21 to drive the fixed gear 21 to rotate at the same speed. In this embodiment, the fixed gear 21 is provided with teeth only at one end away from the power input gear 6, and the rest is a bare rod structure.

[0030] The planet carrier 22 is fixedly mounted on the fixed gear 21 and can rotate with the fixed gear 21. An annular groove is provided on the outer side of the planet carrier 22, and a plurality of rotatable gear shafts 27 are evenly distributed circumferentially in the annular groove. A planetary gear 23 is fixed on each gear shaft 27, and the planetary gear 23 is meshed with the internal teeth of the fixed gear 21 and the ring gear 24 at the same time.

[0031] The ring gear 24 can be driven to rotate by the second driving member 4. For example, the output end of the second driving member 4 can be fixedly connected to the second transmission gear 8, and the second transmission gear 8 is engaged with the outer teeth of the ring gear 24. The second driving member 4 drives the second transmission gear 8 to rotate, thereby causing the ring gear 24 to rotate.

[0032] The tool drive gear 25 can rotate synchronously with the planetary gear 23. Preferably, the tool drive gear 25 is fixed to one end of the gear shaft 27 passing through the planetary carrier 22. When the ring gear 24 drives the planetary gear 23 to rotate, the planetary gear 23 drives the tool drive gear 25 to rotate through the gear shaft 27. It can be understood that in this embodiment, the number of the gear shaft 27 and the planetary gear 23 can be multiple, and they are evenly distributed on the planetary carrier 22 in the circumferential direction.

[0033] The tool drive gear 25 can be meshed with the rack 26, and the rack 26 is fixed to the cutting tool 5. When the tool drive gear 25 rotates, the rack 26 can drive the cutting tool 5 to move radially. In this embodiment, the cutting tool 5 is arranged radially, and when moving radially, the cable cutting depth can be adjusted. The number of cutting tools 5 is the same as the number of racks 26, and they are arranged circumferentially.

[0034] Preferably, in order to better realize the mobile support of the cutting tool 5, the cable radial cutting system of this embodiment also includes a tool mounting seat 9, which is fixedly mounted on one side of the planetary carrier 22. The above-mentioned tool driving gear 25 can be placed in the tool mounting seat 9, and accordingly, the cutting tool 5 and the rack 26 can slide radially in the tool mounting seat 9.

[0035] In this embodiment, it should be noted that the revolution speed and rotation speed of the planetary gear 23 are affected by the rotation speed of the ring gear 24 and the fixed gear 21 and the corresponding number of gear teeth. H The following relationship is satisfied between the rotation speed n1 and the number of gear teeth z1 of the ring gear 24 and the rotation speed n3 and the gear diameter z3 of the fixed gear 21:

[0036]

[0037]

[0038] When the rotation speed n1 and the number of gear teeth z1 of the above-mentioned ring gear 24 and the rotation speed n3 and the gear diameter z3 of the fixed gear 21 satisfy n1z1=n3z3, the planetary gear 23 only revolves but does not rotate. The planetary gear 23 drives the tool driving gear 25 through the gear shaft 27. Since the planetary gear 23 does not rotate, the rack 26 does not move in the radial direction, that is, the feed depth of the cutting tool 5 does not change. If n1z1≠n3z3, the planetary gear 23 rotates, and finally the feed depth of the cutting tool 5 changes to adjust to the required cutting depth. The purpose of regulating the revolution speed can also be achieved by adjusting the rotation speed of the first drive member 3 and the second drive member 4. The greater the revolution speed, the greater the rotation speed of the cutting tool 5, and the smoother the reaction force cone cut out.

[0039] That is to say, this embodiment can control the feed depth and rotation speed of the cutting tool 5 by controlling the first driving member 3 and the second driving member 4, so that the processing equipment of this embodiment can process reaction force cones with different requirements.

[0040] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. For those skilled in the art, various obvious changes, readjustments and substitutions can be made without departing from the protection scope of the present invention. It is not necessary and impossible to list all the embodiments here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A cable radial cutting system, characterized in that: The invention comprises a cutting support (1), a planetary gear set (2), a first driving member (3) and a second driving member (4) all mounted on the cutting support (1), and a cutting tool (5) driven to rotate and move radially by the planetary gear set (2), wherein the first driving member (3) and the second driving member (4) jointly drive the planetary gear set (2) to rotate; The planetary gear set (2) comprises a fixed gear (21) driven to rotate by the first driving member (3), a planet carrier (22) fixedly mounted on the fixed gear (21), a planetary gear (23) rotatably mounted on the planet carrier (22) and meshing with the fixed gear (21), a ring gear (24) meshing with the planetary gear (23) and capable of being driven to rotate by the second driving member (4), a tool driving gear (25) driven to rotate synchronously by the planetary gear (23), and a rack (26) fixed to the cutting tool (5) and meshing with the tool driving gear (25); and further comprises a power input gear (6) fixedly connected to the fixed gear (21), wherein the output end of the first driving member (3) can drive the power input gear (6) to rotate; It also includes a second transmission gear (8), the second transmission gear (8) is fixedly connected to the output end of the second driving member (4), and the second transmission gear (8) is meshed with the external teeth of the ring gear (24); A gear shaft (27) is rotatably provided on the planet carrier (22), and the gear shaft (27) is fixedly connected to the planet gear (23).

2. The cable radial cutting system according to claim 1, characterized in that: It also comprises a first transmission gear (7), the first transmission gear (7) being fixedly connected to the output end of the first driving member (3), and the first transmission gear (7) being meshed with the power input gear (6).

3. The cable radial cutting system according to claim 1, characterized in that: A plurality of the gear shafts (27) are provided, and the plurality of gear shafts (27) are evenly distributed in the circumferential direction on the planet carrier (22).

4. The cable radial cutting system according to any one of claims 1 and 2, characterized in that: It also comprises a tool mounting seat (9), wherein the tool mounting seat (9) is fixedly mounted on one side of the planet carrier (22), the tool driving gear (25) is disposed in the tool mounting seat (9), and the cutting tool (5) slides radially in the tool mounting seat (9).

5. A reaction force cone processing equipment, characterized in that: The invention comprises the cable radial cutting system as described in any one of claims 1 to 4.

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