A cable ring cutting device for electric power engineering

Abstract

The utility model relates to a cable ring cutting device for electric power engineering, comprising a turntable, a gear ring and a cutting assembly, wherein the turntable and the gear ring are coaxially arranged, one of the disk surfaces of the turntable is fixedly provided with a rotating shaft perpendicular to the disk surface, and the cutting assembly is rotatably arranged on the rotating shaft, and when the gear ring rotates, it drives the cutting member of the cutting assembly to rotate around the rotating shaft. The device can efficiently complete the ring cutting or cutting of the outer skin of the cable, and the incision is smooth, and is suitable for the outer skin ring cutting or cutting of cables of different types and thicknesses, with a wide range of applications, simple structure, small size, and convenient carrying.

Description

Technical Field

[0001] The utility model relates to the technical field of cable ring cutting, in particular to a cable ring cutting device for electric power engineering. Background Art

[0002] In the prior art, large cables are generally cut using reciprocating saws, cold cutting saws or hydraulic pliers (or hydraulic shears), but the above cutting methods cannot guarantee a smooth incision; and although the existing large-scale ring cutting devices can make the incision smooth, they generally have the disadvantages of being large in size and inconvenient to carry; in addition, when the outer sheath of a large cable needs to be ring cut, small handheld stripping tools cannot handle it, and large stripping machines are inconvenient to carry. Utility Model Content

[0003] The purpose of the utility model is to provide a power engineering cable ring cutting device to solve the above problems existing in the prior art.

[0004] In order to solve the above problems, the utility model provides a cable ring cutting device for electric power engineering, including a turntable, a gear ring and a cutting assembly, the turntable and the gear ring are coaxially arranged, one of the disk surfaces of the turntable is fixed with a rotating shaft perpendicular to the disk surface, the cutting assembly is rotatably arranged on the rotating shaft, and when the gear ring rotates, it drives the cutting part of the cutting assembly to rotate around the rotating shaft.

[0005] The electric power engineering cable ring cutting device provided by the utility model also has the following technical features:

[0006] Furthermore, it also includes a shell, and the turntable and the gear ring are rotatably connected to the shell through bearings respectively.

[0007] Furthermore, an outer gear ring is provided on the outer edge of the turntable, and the outer gear ring is meshed with a turntable gear provided on the outer shell, and the motor drives the turntable gear to rotate.

[0008] Furthermore, a side gear ring is provided on the side of the gear ring, and the side gear ring is meshed with a gear ring gear provided on the housing, and the motor drives the gear ring gear to rotate.

[0009] Furthermore, the ring gear can lock the rotation of the ring gear.

[0010] Furthermore, an inner gear ring is provided on the inner edge of the gear ring, and the cutting assembly includes a cutting gear, and the inner gear ring is meshed with the cutting gear.

[0011] Furthermore, the cutting assembly also includes a reduction gear group and a clamping block, and the rotating shaft, the cutting gear, the reduction gear group and the clamping block are coaxially arranged; the cutting piece is clamped and fixed in the clamping block, the output end of the reduction gear group is fixedly connected to the clamping block, and the input end of the reduction gear group is fixedly connected to the cutting gear.

[0012] Furthermore, the cutting components are arranged in two, three or four groups, the spacings between the cutting components are equal, and the distances between the cutting components and the central axis of the turntable are equal.

[0013] Furthermore, the cutting element uses a straight edge or a serrated edge arranged along a straight line, and the farthest end of the cutting element from the rotating shaft is set as a sharp angle. When the cutting element rotates around the rotating shaft, the apex of the sharp angle coincides with the central axis of the rotating disk.

[0014] Furthermore, the cutting assembly is arranged as a single group, and when the cutting member rotates around the rotating shaft, the cutting member cuts through the central axis of the rotating disk.

[0015] The utility model has the following beneficial effects: the device can efficiently complete the circumcision of the cable sheath or the cutting of the cable, the incision is smooth, it is suitable for the circumcision or cutting of the cable sheaths of different types and thicknesses, has a wide range of applications, and has a simple structure, small size, and is easy to carry. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the overall structure of the utility model from another angle;

[0018] Figure 3 It is a schematic diagram of the structure of the utility model with some cutting components removed;

[0019] Figure 4 It is a structural schematic diagram of the turntable and the gear ring of the utility model;

[0020] Figure 5 It is a schematic diagram of the structure with a housing of the utility model;

[0021] Figure 6 for Figure 5 The cross-section view cut along line AA;

[0022] Figure 7 It is a schematic diagram of the working process of the utility model. DETAILED DESCRIPTION

[0023] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments. It should be noted that the embodiments and features in the embodiments of the present invention can be combined with each other without conflict.

[0024] like Figures 1 to 7 In the embodiment of the electric power engineering cable ring cutting device of the utility model shown in the figure, the electric power engineering cable ring cutting device comprises a rotating disk 1, a gear ring 2 and a cutting assembly 3. Figure 3 , Figure 4 As shown, the turntable 1 is similar to a flange structure with a neck, and the circular through hole running through the turntable 1 is used to place the cable to be circumcised; Figure 4 As shown, the rotating disk 1 and the gear ring 2 are not in direct contact, but are coaxially arranged and can rotate around their own central axes. Figure 3 As shown, one of the disk surfaces of the turntable 1 (the surface opposite to the neck of the neck flange structure, which will be described in detail below) is fixed with a rotating shaft 12 perpendicular to the disk surface, and the cutting assembly 3 is rotatably arranged on the rotating shaft 12; Figure 7 As shown, the gear ring 2 and the cutting assembly 3 are rotatably connected, and when the gear ring 2 rotates, it drives the cutting member 331 of the cutting assembly 3 to rotate around the rotating shaft 12.

[0025] Specifically, when the turntable 1 rotates and the gear ring 2 does not rotate, the rotating shaft 12 drives the cutting assembly 3 to rotate along the circumference of the turntable 1 as a whole. Since the gear ring 2 and the cutting assembly 3 are in a rotational connection relationship (but the gear ring 2 does not rotate), the cutting assembly 3 will rotate around the rotating shaft 12 in the opposite direction of the rotation of the turntable 1; when the turntable 1 does not rotate and the gear ring 2 rotates, the gear ring 2 can drive the cutting assembly 3 to rotate around the rotating shaft 12. The above are the two working states of the device, and the working principles of the two working states will be described in detail below.

[0026] like Figure 5 , Figure 6 As shown, the device further comprises a housing 4, and the turntable 1 and the gear ring 2 are rotatably connected to the housing 4 via bearings (both bearings are numbered 14 in the figure); specifically, as Figure 2 , Figure 4 , Figure 6 As shown, the turntable 1 is fixedly provided with a flange 13 relative to the other disk surface provided with the rotating shaft 12, and the flange 13 is rotatably connected to the housing 4 through a bearing 14; it is worth noting that, based on the structure of the above-mentioned turntable 1, the shape of the turntable 1 is similar to a neck flange structure, the flange 13 is similar to the neck of the neck flange, and the rotating shaft 12 is similar to a bolt (without thread) fixed on the flange; in addition, the outer edge of the gear ring 2 is rotatably connected to the housing 4 through a bearing 14.

[0027] like Figure 1 , Figure 2 , Figure 4As shown, an outer gear ring 101 is provided on the outer edge of the turntable 1, and the outer gear ring 101 is meshed with a turntable gear 11 provided on the housing 4. The motor drives the turntable gear 11 to rotate, and the turntable gear 11 causes the turntable 1 to rotate around its own central axis through the outer gear ring 101.

[0028] like Figure 2 , Figure 4 As shown, one of the side surfaces of the gear ring 2 (the side surface measured relative to the inner and outer edges) is provided with a side gear ring 202, which meshes with a gear ring gear 21 provided on the housing 4. The motor drives the gear ring gear 21 to rotate, and the gear ring gear 21 causes the gear ring 2 to rotate around its own central axis through the side gear ring 202.

[0029] like Figure 1 , Figure 2 As shown, the ring gear 21 can lock the rotation of the ring gear 2, and specifically can lock it through a motor connected to the ring gear 21, or lock it through other locking structures.

[0030] like Figure 1 , Figure 3 , Figure 4 , Figure 6 As shown, the gear ring 2 and the cutting assembly 3 are rotatably connected. Specifically, the inner edge of the gear ring 2 is provided with an inner gear ring 201, and the cutting assembly 3 includes a cutting gear 31, and the inner gear ring 201 is meshed with the cutting gear 31; in this way, the cutting assembly 3 can be driven to rotate when the gear ring 2 rotates, and when the gear ring 2 is locked and the turntable 1 rotates, the cutting gear 31 can also rotate when it is driven by the rotating shaft 12 to rotate along the circumferential direction of the turntable 1 (because the gear ring 2 is locked).

[0031] like Figure 6As shown, the cutting assembly 3 also includes a reduction gear set 32 ​​and a clamping block 33. The rotating shaft 12, the cutting gear 31, the reduction gear set 32 ​​and the clamping block 33 are coaxially arranged. Preferably, the diameters of the reduction gear set 32 ​​and the clamping block 33 are less than or equal to the diameter of the cutting gear 31, and the cutting gear 31 is tangent to the outer edge and inner edge (i.e., the circular through hole) of the turntable 1; a cutting piece 331 is clamped and fixed in the clamping block 33, the output end of the reduction gear set 32 ​​is fixedly connected to the clamping block 33, and the input end of the reduction gear set 32 ​​is fixedly connected to the cutting gear 31. Specifically, the reduction gear set 32 ​​can use a planetary gear set or a similar reduction component, so that when the gear ring 2 is locked, the turntable 1 rotates, and the cutting component 3 is driven by the rotating shaft 12 to rotate along the circumference of the turntable 1, the rotation of the cutting gear 31 is faster, and the rotation of the clamping block 33 is reduced, so the rotation of the clamping block 33 is slower, and therefore the rotation of the cutting piece 331 is also slower than the rotation of the cutting gear 31; in this way, although the rotation speed of the turntable 1 is faster, the rotation speed of the blade of the cutting piece 331 turning to the cable in the circular through hole of the turntable 1 is slower, and the cutting piece 331 can calmly and effectively complete the circular cutting work, and the material requirements and sharpness requirements of the cutting piece 331 are reduced (compared with not using the reduction gear set 32 ​​for deceleration).

[0032] like Figure 3 , Figure 7 As shown, the cutting components 3 are arranged in two, three or four groups. Arranging multiple groups of cutting components can ensure the flatness of the cut and reduce the material requirements and sharpness requirements for the cutting piece 331. However, according to the structure proposed in the present application, if there are more than four groups, there may be interference between the cutting components. In this example, the cutting components 3 are spaced equally on the turntable 1 and the distance between each group of cutting components 3 and the central axis of the turntable 1 is consistent. The cutting piece 331 uses a straight edge or a serrated edge arranged in a straight line. Based on the straight edge structure, the blade or serrated edge of the cutting piece 331 is tangent to the clamping block. 33 or parallel to the tangent of the clamping block 33; the back of the cutting piece 331 is provided with reinforcing ribs to strengthen its material strength; the back of the cutting piece 331 is set to an arc that is consistent with the arc of the outer edge of the turntable 1, so that the cutting piece 331 can be easily stored; the farthest end of the cutting piece 331 from the rotating shaft 12 is set as a sharp angle; when the cutting piece 331 rotates around the rotating shaft 12, the apex of the sharp angle will coincide with the central axis of the turntable 1; this ensures that when each group of cutting components 3 rotates around the rotating shaft 12, the each group of cutting components 3 will not interfere with each other and cause damage, and can better complete the cutting work.

[0033] In addition, in another embodiment, the cutting assembly 3 can be configured as a single group. In this case, when the cutting member 331 rotates around the rotating shaft 12, the cutting member 331 needs to cut through the central axis of the rotating disk 1 to ensure the cutting effect.

[0034] The working principle of this device: Figure 7 For example, Figure 7 The schematic diagram shows the working process of the device with three or four cutting components 3. In the figure, a is the rotation direction of the turntable 1 during the ring cutting operation, and b is the rotation direction of the cutting component 3 during the ring cutting operation, and the rotation directions of a and b are opposite. The initial state of the device is that the back of the cutting member 331 overlaps with the outer circumference of the turntable 1. After the cable to be ring cut is placed in the circular through hole of the turntable 1, the toothed ring gear 21 can stop the rotation of the toothed ring 2, and the turntable gear 11 drives the turntable 1 to start rotating in the direction a (the cable does not rotate), and the shaft 12 drives the cutting component 3 to start rotating around the central axis of the turntable 1; because the toothed ring 2 does not rotate, the cutting gear 31 starts to rotate around the shaft 12 and in the direction b. The rotation of the cutting gear 31 is decelerated by the reduction gear set 32 ​​and then transmitted to the clamping block 33, and the clamping block 33 drives the cutting piece 331 to rotate slowly around the rotating shaft 12 and in the direction b, and stops when the outer skin of the cable is cut (that is, the stripping work of the device is completed), or stops when the cutting piece 331 contacts the central axis of the turntable 1 to completely cut the cable; the above is the working state of the device for stripping or cutting the cable; after completing the above work, the turntable 1 stops, and the ring gear 21 drives the ring gear 2 to rotate along the direction a, so that the cutting piece 331 can be retracted to the initial state, which is the working state of retracting the cutting piece 331, which is convenient for stripping or cutting the cable next time.

[0035] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A cable ring cutting device for electric power engineering, characterized in that: The invention comprises a rotating disk (1), a toothed ring (2) and a cutting assembly (3), wherein the rotating disk (1) and the toothed ring (2) are coaxially arranged, a rotating shaft (12) perpendicular to the rotating disk (1) is fixedly arranged on one of the disk surfaces of the rotating disk (1), and the cutting assembly (3) is rotatably arranged on the rotating shaft (12), and when the toothed ring (2) rotates, it drives the cutting member (331) of the cutting assembly (3) to rotate around the rotating shaft (12).

2. The power engineering cable ring cutting device according to claim 1, characterized in that: It also comprises a housing (4), and the rotating disk (1) and the gear ring (2) are rotatably connected to the housing (4) via bearings respectively.

3. The power engineering cable ring cutting device according to claim 2, characterized in that: An outer gear ring (101) is provided on the outer edge of the turntable (1), and the outer gear ring (101) is meshed with a turntable gear (11) provided on the housing (4), and a motor drives the turntable gear (11) to rotate.

4. The power engineering cable ring cutting device according to claim 2, characterized in that: A side gear ring (202) is provided on one side of the gear ring (2); the side gear ring (202) is meshed with a gear ring gear (21) provided on the housing (4); and a motor drives the gear ring gear (21) to rotate.

5. The power engineering cable ring cutting device according to claim 4, characterized in that: The gear ring gear (21) can lock the rotation of the gear ring (2).

6. The power engineering cable ring cutting device according to claim 5, characterized in that: An inner gear ring (201) is provided on the inner edge of the gear ring (2); the cutting assembly (3) comprises a cutting gear (31); and the inner gear ring (201) meshes with the cutting gear (31).

7. The power engineering cable ring cutting device according to claim 6, characterized in that: The cutting assembly (3) further comprises a reduction gear set (32) and a clamping block (33); the rotating shaft (12), the cutting gear (31), the reduction gear set (32) and the clamping block (33) are coaxially arranged; the cutting piece (331) is clamped and fixed in the clamping block (33); the output end of the reduction gear set (32) is fixedly connected to the clamping block (33), and the input end of the reduction gear set (32) is fixedly connected to the cutting gear (31).

8. The power engineering cable ring cutting device according to claim 7, characterized in that: The cutting components (3) are arranged in two, three or four groups, the spacing between the cutting components (3) is equal, and the distances between the cutting components (3) and the central axis of the rotating disk are equal.

9. The power engineering cable ring cutting device according to claim 8, characterized in that: The cutting member (331) uses a straight blade or a sawtooth blade arranged along a straight line. The farthest end of the cutting member (331) from the rotating shaft (12) is set as a sharp angle. When the cutting member (331) rotates around the rotating shaft (12), the apex of the sharp angle coincides with the central axis of the rotating disk (1).

10. The power engineering cable ring cutting device according to claim 7, characterized in that: The cutting assembly (3) is arranged as a single group, and when the cutting member (331) rotates around the rotating shaft (12), the blade of the cutting member (331) cuts through the central axis of the rotating disk (1).

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