Cable cutting device for power construction

Abstract

The utility model relates to a cable cutting device for power construction, which is used for high-altitude cable cutting operation and comprises a cutting main frame, a first clamping hoop, a second clamping hoop, a cutting knife and a cutting driving mechanism, and the cutting knife is arranged in the middle of the cutting main frame; a first clamping part and a second clamping part which are symmetrical and identical in structure are arranged on the two sides of the cutting main frame. Gear transmission pairs are arranged in the first clamping part and the second clamping part; the cable cutting part is vertically arranged between the first clamping part and the second clamping part; clamping end covers are fixed on the first clamping part and the second clamping part; the first clamping hoop, the second clamping hoop and the clamping end covers on the two sides are clamped on the two sides of the cable cutting position through the gear transmission pairs on the two sides respectively. One end of the cutting knife is coupled with one end of the cable cutting part; the cutting driving mechanism is arranged at the other end of the cable cutting part, and the cutting knife cuts the cable through the cutting driving mechanism; the device has the advantage that the influence on the environment during cable cutting operation can be reduced.

Description

Technical Field

[0001] This utility model belongs to the technical field of auxiliary equipment for power cable laying, and specifically relates to a cable cutting device for power construction. Background Technology

[0002] In power transmission, overhead lines are used, which use transmission towers as support points for overhead cables. Different transmission cables are used depending on the environment and secondary load. When cables reach the end of their service life or to ensure stable power supply to the secondary side, they need to be replaced. During conventional high-altitude cable cutting operations, the area below the work site is cleared in advance to prevent injury to personnel or property during cable detachment. The longer the cable cutting operation lasts, the greater the impact on the area below. Therefore, a cable cutting device that reduces the environmental impact during high-altitude cable cutting operations is needed. Summary of the Invention

[0003] The purpose of this invention is to solve the above-mentioned problems and to provide a cable cutting device for power construction.

[0004] A cable cutting device for power construction includes: a cutting main frame, a first clamping clamp, a second clamping clamp, a cutting blade, and a cutting drive mechanism. The cutting blade is located in the middle of the cutting main frame.

[0005] The main cutting frame is provided with a first clamping part and a second clamping part on both sides, and the first clamping part and the second clamping part have symmetrical and identical structures; both the first clamping part and the second clamping part are provided with gear transmission pairs; the cable cutting part is vertically arranged between the first clamping part and the second clamping part; and clamping end caps are fixed on both the first clamping part and the second clamping part.

[0006] The first clamping clamp, the second clamping clamp, and the clamping end caps on both sides are clamped on both sides of the cable cutting point by gear transmission pairs on both sides; one end of the cutting blade is axially connected to one end of the cable cutting part; the cutting drive mechanism is located at the other end of the cable cutting part, and the cutting blade cuts the cable through the cutting drive mechanism.

[0007] The gear transmission pair includes: a first clamping mechanism and a second clamping mechanism; the first clamping mechanism and the second clamping mechanism have symmetrical and identical structures.

[0008] Both the first and second clamping mechanisms are equipped with a clamping worm, a clamping worm wheel, and a clamping gear. The clamping worm meshes with the clamping worm wheel for transmission. There are two clamping gears, which are located on both sides of the clamping worm wheel. The inner diameter of the two clamping gears is provided with locking thread holes. The clamping worm wheel meshes with the two clamping gears respectively.

[0009] Both the first clamping part and the second clamping part are provided with a worm groove, a worm wheel groove, and a clamping wheel groove; there are two clamping wheel grooves, which are respectively located on both sides of the worm wheel groove; the clamping end cover is provided with a worm sleeve, a worm wheel sleeve, and a clamping wheel sleeve; the worm sleeve and the worm groove cover and clamp the worm; the worm wheel sleeve and the worm wheel groove cover and clamp the worm wheel; and each of the clamping wheel sleeves on both sides covers a clamping gear with the clamping wheel groove.

[0010] A screw through hole is provided at the center of the clamping wheel groove; a clamping screw through hole is provided in the clamping wheel sleeve opening; a locking thread hole is provided in the inner diameter of the clamping gear; the axis lines of the screw through hole, the clamping screw through hole and the locking thread hole coincide.

[0011] The clamping end cap is divided into a first clamping end cap and a second clamping end cap; the first clamping end cap and the second clamping end cap have symmetrical and identical structures; both the first clamping end cap and the second clamping end cap have a lower arc-shaped cable clamping part in the middle of their upper ends; the first clamping clamp and the second clamping clamp have identical structures; the first clamping clamp and the second clamping clamp have an upper arc-shaped cable clamping part in the middle of their upper ends; the lower cable clamping part corresponds to the upper cable clamping part; both the first clamping end cap and the second clamping end cap have connecting screws on both sides, and the connecting screws on both sides are respectively sleeved in the locking threaded holes on both sides.

[0012] Both the lower cable clamping part and the upper cable clamping part are provided with raised circles or mesh patterns.

[0013] The cable cutting section has a cutter connecting shaft on one side, and one end of the cutter is connected to the cutter connecting shaft. The middle part of the cable cutting section has an arc-shaped lower cutting blade. One side of the cutter has an inner arc-shaped blade, and the inner arc-shaped blade has at least one blade tip, which can serve as the starting point for cutting the cable. The inner arc-shaped blade corresponds to the arc-shaped lower cutting blade. The other side of the cable cutting section has a cutting mechanism connecting section, and the cutting drive mechanism is located in the cutting mechanism connecting section.

[0014] The cutting blade has multiple worm gear teeth on its outer arc-shaped end face, and these worm gear teeth are arranged in an equidistant array on the arc-shaped outer end face of the cutting blade. One side of the cutting blade is an inner arc-shaped cutting edge, and the inner arc-shaped cutting edge has at least one blade tip.

[0015] The cutting drive mechanism includes: a worm deflection block, a cutting drive worm, a limiting slider, and a limiting hook; the lower end of the cutting drive worm is shaft-connected to the worm deflection block, and the limiting slider is sleeved on the upper end of the cutting drive worm; the limiting hook can lock the position of the limiting slider and keep the cutting drive worm meshing with the worm gear teeth; the cutting drive worm can be fan-shaped deflected at the upper end of the cutting mechanism connection part through the worm deflection block.

[0016] This technical solution provides a cable cutting device for power construction, mainly used for high-altitude cable cutting operations. It includes: a main cutting frame, a first clamping clamp, a second clamping clamp, a cutting blade, and a cutting drive mechanism. The cutting blade is located in the middle of the main cutting frame. A first clamping part and a second clamping part with identical symmetrical structures are located on both sides of the main cutting frame. Both the first and second clamping parts are equipped with gear transmission pairs. The cable cutting part is vertically positioned between the first and second clamping parts. Clamping end caps are fixed to both the first and second clamping parts. The first clamping clamp, the second clamping clamp, and the clamping end caps on both sides are clamped to both sides of the cable cutting point via gear transmission pairs. One end of the cutting blade is axially connected to one end of the cable cutting part. The cutting drive mechanism is located at the other end of the cable cutting part, and the cutting blade cuts the cable through the cutting drive mechanism. This technical solution reduces the environmental impact of high-altitude cable cutting operations. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the usage status of a cable cutting device for power construction according to this utility model;

[0018] Figure 2 This is a schematic diagram of the structure of a cable cutting device for power construction according to this utility model;

[0019] Figure 3 This is a schematic diagram of the main frame structure of a cable cutting device for power construction according to this utility model;

[0020] Figure 4 This is a schematic diagram of the end cap structure of a cable cutting device for power construction according to this utility model;

[0021] Figure 5 This is a schematic diagram of the cutting drive mechanism of a cable cutting device for power construction according to this utility model;

[0022] In the diagram: 1. Cutting main frame; 111. First worm groove; 1111. First worm gear groove; 112. First worm wheel groove; 113. First clamping wheel groove; 1131. Screw through hole; 121. Second worm groove; 1211. Second worm gear groove; 122. Second worm wheel groove; 123. Second clamping wheel groove; 1231. First screw through hole; 13. Cable cutting part; 131. Cutting blade connecting shaft; 132. Arc-shaped lower cutting blade; 133. Cutting mechanism connecting part; 1331. Frustum shaft connecting part; 15. Handle; 21. First clamping worm; 22. First clamping worm wheel; 23. First clamping gear; 3. First clamping end cap. 31. First worm gear sleeve, 32. First worm wheel sleeve, 33. First clamping wheel sleeve, 331. First clamping screw through hole, 4. First clamping clamp, 41. Second cable clamping part, 42. First connecting screw, 51. Second clamping worm, 52. Second clamping worm wheel, 53. Second clamping gear, 6. Second clamping end cap, 7. Second clamping clamp, 8. Cutting blade, 81. Inner arc-shaped blade, 811. Blade tip, 9. Cutting drive mechanism, 91. Worm deflection block, 92. Cutting drive worm, 93. Limiting slider, 94. Limiting hook, 941. Press hook button, 95. Hook shaft, 96. Torsion spring. Detailed Implementation

[0023] The technical solution will be further described clearly and completely below with reference to the accompanying drawings. The described embodiments are only a part of the technical solution, not all of the embodiments. All other embodiments obtained by those skilled in the art based on this technical solution without creative effort are within the scope of protection of this utility model.

[0024] Example 1

[0025] See Figures 1 to 5 As shown, a cable cutting device for power construction includes: a cutting main frame 1, a first clamping mechanism, a first clamping end cap 3, a first clamping clamp 4, a second clamping mechanism, a second clamping end cap 6, a second clamping clamp 7, a cutting blade 8, and a cutting drive mechanism 9.

[0026] The main cutting frame 1 is an inverted T-shaped metal component. The main cutting frame 1 has a first clamping part and a second clamping part on both sides, and a cable cutting part 13 is provided between the first clamping part and the second clamping part.

[0027] The main cutting frame 1 is also provided with a handle 15 on one side;

[0028] The first clamping mechanism is located in the first clamping part, and the first clamping end cap 3 is fixed on the first clamping part; the second clamping mechanism is located in the second clamping part, and the second clamping end cap 6 is fixed on the second clamping part; one end of the cutting blade 8 is axially connected to one end of the cable cutting part 13.

[0029] The first clamping end cap 3 and the first clamping clamp 4 clamp one side of the cable to be cut through the first clamping mechanism; the second clamping end cap 6 and the second clamping clamp 7 clamp the other side of the cable to be cut through the second clamping mechanism; the cutting blade 8 cuts the cable through the cutting drive mechanism.

[0030] The first clamping part is provided with a first worm groove 111, a first worm wheel groove 112, and a first clamping wheel groove 113; the first worm groove 111 is provided with a first worm tooth groove 1111 in the middle, the first worm wheel groove 112 is provided on one side of the first worm tooth groove 1111, and there are two first clamping wheel grooves 113, which are respectively provided on both sides of the first worm wheel groove 112, and a screw through hole 1131 is provided at the center of each of the two first clamping wheel grooves 113;

[0031] The second clamping part is provided with a second worm groove 121, a second worm wheel groove 122, and a second clamping wheel groove 123. The second worm groove 121 is provided with a second worm tooth groove 1211 in the middle. The second worm wheel groove 122 is provided on one side of the second worm tooth groove 1211. There are two second clamping wheel grooves 123, which are respectively provided on both sides of the second worm wheel groove 122. A first screw through hole 1231 is provided at the center of each of the two second clamping wheel grooves 123.

[0032] The first clamping mechanism is a gear transmission pair in which a worm gear drives the nut to rotate;

[0033] The first clamping mechanism includes: a first clamping worm 21, a first clamping worm wheel 22, and a first clamping gear 23. The first clamping worm 21 is sleeved in the first worm groove 111; the first clamping worm wheel 22 is shafted in the second worm wheel groove 122; there are two first clamping gears 23, which are shafted in two first clamping wheel grooves 113 respectively, and the inner diameter of the two first clamping gears 23 is provided with locking thread holes.

[0034] The worm teeth of the first clamping worm 21 are sleeved in the first worm tooth groove 1111, and the first clamping worm 21 meshes with the first clamping worm wheel 22 for transmission; the first clamping worm wheel 22 meshes with two first clamping gears 23 respectively.

[0035] The first clamping end cover 3 is fixed to the first clamping part by bolts; the lower end of the first clamping end cover 3 is provided with a first worm sleeve 31, a first worm wheel sleeve 32, and a first clamping wheel sleeve 33. The first worm sleeve 31 corresponds to the first worm groove 111, and the first worm sleeve 31 and the first worm groove 111 cover the first clamping worm 21; the first worm wheel sleeve 32 corresponds to the first worm groove 112, and the first worm wheel sleeve 32 and the first worm groove 112 cover the first clamping worm wheel 22; there are two first clamping wheel sleeves 33, and each of the two first clamping wheel sleeves 33 is provided with a first clamping screw through hole 331. The two first clamping wheel sleeves 33 correspond to the two first clamping wheel grooves 113 respectively, and the first clamping wheel sleeves 33 and the first clamping wheel grooves 113 cover the first clamping gear 23.

[0036] The upper surface of the first clamping end cap 3 is provided with a first cable lower clamping part 34, which is an arc-shaped groove.

[0037] The first clamping clamp 4 has a second upper cable clamping part 41 in the middle, which is arc-shaped and corresponds to the first lower cable clamping part 34. The first clamping clamp 4 has a first connecting screw 42 on both sides, which can pass through the first clamping screw through hole 331 and the first screw through hole 1231 respectively, and are locked by the first clamping gear 23.

[0038] The first lower cable clamping part 34 and the second upper cable clamping part are both provided with raised circles or mesh patterns, which increase the clamping force on the cable.

[0039] Both ends of the first clamping worm 21 are provided with screw nuts. The first clamping worm 21 can be turned by connecting the sleeve wrench to the screw nuts. Tightening the first clamping worm 21 can cause the first clamping clamp 4 and the first clamping end cover 3 to move relative to each other, thereby tightening or loosening the clamping of the cable.

[0040] The first clamping end cap 3 and the first clamping clamp 4 clamp one side of the cable being cut through the first clamping mechanism.

[0041] The first clamping part and the second clamping part have symmetrical and identical structures; the first clamping end cap 3 and the second clamping end cap 6 have symmetrical and identical structures; the first clamping mechanism and the second clamping mechanism have symmetrical and identical structures. The first clamping clamp 4 and the second clamping clamp 7 have identical structures; the second clamping end cap 6 and the second clamping clamp 7 clamp the other side of the cable being cut through the second clamping mechanism.

[0042] The cable cutting section 13 is provided with a cutter connecting shaft 131 on one side, and one end of the cutter 8 is axially connected to the cutter connecting shaft 131; the middle part of the cable cutting section 13 is an arc-shaped lower cutting blade 132;

[0043] The cutting blade 8 has an inner arc-shaped blade 81 on one side, and the inner arc-shaped blade 81 has at least one blade tip 811. The blade tip 811 can serve as the starting point for cutting the cable. The inner arc-shaped blade 81 corresponds to the arc-shaped lower cutting blade 132.

[0044] The cutting blade 8 has a worm gear tooth 82 on its arc-shaped outer end face. There are multiple worm gear teeth 82, which are arranged in an equidistant array on the arc-shaped outer end face with the cutting blade connecting shaft 131 as the center.

[0045] The other side of the cable cutting part 13 is provided with a cutting mechanism connecting part 133, and the cutting drive mechanism 9 is provided in the cutting mechanism connecting part 133;

[0046] The cutting drive mechanism 9 includes: a worm deflection block 91, a cutting drive worm 92, a limiting slider 93, a limiting hook 94, a hook shaft 95, and a torsion spring 96;

[0047] The lower end of the cutting mechanism connecting part 133 is provided with a frustum shaft connecting part 1331, and the upper end of the cutting mechanism connecting part 133 is a fan-shaped sliding part; the fan-shaped angle of the fan-shaped sliding part is 30 degrees.

[0048] The worm gear deflection block 91 is a frustum-shaped component, and the worm gear deflection block 91 is axially connected to the frustum shaft connection part 1331. A shaft connection through hole is provided on the normal line of the worm gear deflection block 91. The upper and lower ends of the cutting drive worm gear 92 are both optical axes, and the optical axis of the lower end of the cutting drive worm gear 92 is axially connected to the shaft connection through hole of the worm gear deflection block 91. The limiting slider 93 is sleeved on the optical axis of the upper end of the cutting drive worm gear 92.

[0049] The limiting hook 94 is axially connected to one side of the cutting mechanism connecting part 133 via the hook shaft 95, and the torsion spring 96 is sleeved on the hook shaft 95;

[0050] The limiting slider 93 has two curved chamfered transitions on one side, and the other two sides of the limiting slider 93 have right-angle transitions.

[0051] The limiting hook 94 has a hook tightening head on one side and a hook button 941 on the other side;

[0052] The cutting drive worm 92 can deflect in a fan shape in the cutting mechanism connection part 133. The torsion spring 96 torsional limit hook 94, and the hook tightening head hooks the right-angle transition of the limit hook 94. At this time, the cutting drive worm 92 can mesh with the worm gear tooth 82. The sleeve wrench is used to rotate the cutting drive worm 92, and the inner arc-shaped blade 81 cuts the cable with the arc-shaped downward cutting blade 132. Pressing the hook button 941 disengages the cutting drive worm 92 from the limit hook 94, and the cutting blade 8 disengages from the cutting drive worm 92. At this time, the cutting blade 8 can be rotated in the opposite direction. The cutting drive mechanism drives the cutting blade 8 to cut the cable.

Claims

1. A cable cutting device for electrical power construction, comprising: The cutting main frame (1), the first clamping hoop (4), the second clamping hoop (7), the cutting knife (8) and the cutting driving mechanism (9) are provided; the cutting knife (8) is arranged in the middle of the cutting main frame (1); The cutting main frame (1) is provided with a first clamping part and a second clamping part which are symmetrical in structure; the first clamping part and the second clamping part are both provided with a gear transmission pair; the cable cutting part (13) is vertically arranged between the first clamping part and the second clamping part; the first clamping part and the second clamping part are both fixed with clamping end covers; the first clamping hoop (4), the second clamping hoop (7) and the clamping end covers on both sides are clamped on both sides of the cable cutting part through the gear transmission pair; one end of the cutting knife (8) is connected with one end of the cable cutting part (13); the cutting driving mechanism (9) is arranged at the other end of the cable cutting part (13), and the cutting knife (8) cuts the cable through the cutting driving mechanism.

2. The power construction cable cutting apparatus according to claim 1, characterized by: The gear transmission pair comprises a first hoop tightening mechanism and a second hoop tightening mechanism.

3. The power construction cable cutting apparatus according to claim 2, characterized in that: The first hoop tightening mechanism and the second hoop tightening mechanism are both provided with a hoop tightening worm, a hoop tightening worm wheel and a hoop tightening gear; the hoop tightening worm is in meshing transmission with the hoop tightening worm wheel; the hoop tightening gear is provided with two hoop tightening gears which are arranged on both sides of the hoop tightening worm wheel and are provided with locking screw holes in the inner diameters; the hoop tightening worm wheel is in meshing transmission with the two hoop tightening gears.

4. The power construction cable cutting apparatus according to claim 3, characterized in that: The first clamping part and the second clamping part are both provided with a worm groove, a worm wheel groove and a clamping wheel groove; the clamping wheel groove is provided with two clamping wheel grooves which are arranged on both sides of the worm wheel groove; the clamping end cover is provided with a worm sleeve opening, a worm wheel sleeve opening and a clamping wheel sleeve opening; the worm sleeve opening and the worm groove cover the hoop tightening worm; the worm wheel sleeve opening and the worm wheel groove cover the hoop tightening worm wheel; the clamping wheel sleeve openings on both sides cover one hoop tightening gear with the clamping wheel grooves.

5. The power construction cable cutting apparatus according to claim 4, characterized in that: The clamping wheel groove is provided with a screw hole in the center; the clamping wheel sleeve opening is provided with a clamping screw hole; the hoop tightening gear is provided with a locking screw hole in the inner diameter; the screw hole, the clamping screw hole and the locking screw hole are coaxial.

6. The power construction cable cutting apparatus according to claim 5, characterized in that: The clamping end cover comprises a first clamping end cover (3) and a second clamping end cover (6); the first clamping end cover (3) and the second clamping end cover (6) are symmetrical in structure; the upper ends of the first clamping end cover (3) and the second clamping end cover (6) are both provided with a lower arc-shaped cable lower clamping part; the first clamping hoop (4) and the second clamping hoop (7) are symmetrical in structure; the first clamping hoop (4) and the second clamping hoop (7) are both provided with an upper arc-shaped cable upper clamping part; the cable lower clamping part corresponds to the cable upper clamping part; the first clamping end cover (3) and the second clamping end cover (6) are both provided with connecting screws which are sleeved in the locking screw holes on both sides.

7. The power construction cable cutting apparatus according to claim 6, characterized in that: The cable lower clamping part and the cable upper clamping part are both provided with convex circles or net patterns.

8. The power construction cable cutting apparatus as claimed in claim 1 or 7, characterized by: The cable cutting part (13) is provided with a cutter connecting shaft (131) on one side, and the cutting knife (8) is connected with the cutter connecting shaft (131) on one end; the middle part of the cable cutting part (13) is an arc-shaped lower cutting blade (132); the one side of the cutting knife (8) is an inner arc-shaped blade (81), and at least one blade tip part (811) is arranged on the inner arc-shaped blade (81), the blade tip part (811) can be used as a cutting starting point of the cable, and the inner arc-shaped blade (81) corresponds to the arc-shaped lower cutting blade (132); the other side of the cable cutting part (13) is provided with a cutting mechanism connecting part (133), and the cutting driving mechanism (9) is arranged in the cutting mechanism connecting part (133).

9. The power construction cable cutting apparatus as set forth in claim 8, characterized by: The arc center outer end surface of the cutting knife (8) is provided with a plurality of worm gear teeth (82), and the plurality of worm gear teeth (82) are arranged in an equidistant array on the arc-shaped outer end surface of the cutting knife (8); the one side of the cutting knife (8) is an inner arc-shaped blade (81), and at least one blade tip part (811) is arranged on the inner arc-shaped blade (81).

10. The power construction cable cutting apparatus according to claim 9, wherein: The cutting driving mechanism (9) comprises a worm deflection block (91), a cutting driving worm (92), a limiting sliding block (93) and a limiting clamping hook (94); the lower end of the cutting driving worm (92) is connected with the worm deflection block (91), the limiting sliding block (93) is sleeved on the upper end of the cutting driving worm (92); the limiting clamping hook (94) can lock the position of the limiting sliding block (93), so that the cutting driving worm (92) is kept in engagement with the worm gear tooth (82); and the cutting driving worm (92) can be fanned and deflected on the upper end of the cutting mechanism connecting part (133) through the worm deflection block (91).

Images