Quantitative cutting equipment for cable

Abstract

The invention relates to cable quantitative cutting equipment, and belongs to the technical field of cable cutting. Comprising a rack, and a supporting assembly, a cable traction assembly, a cable guiding assembly and a cutting assembly are sequentially arranged on the rack; the supporting assembly comprises a reel inlet reserved in the rack, the portions, on the two sides of the reel inlet, of the rack are each provided with a supporting mechanism capable of ascending and descending, and when the cable reel is supported by the supporting mechanisms, the cable reel can rotate on the supporting mechanisms; the cable traction assembly comprises a traction mechanism used for cable movement, and a positioning mechanism is installed at the wire inlet end of the traction mechanism; the cable guiding assembly comprises a guiding cylinder, a cable pulling mechanism is slidably installed in the guiding cylinder, and the cable pulling mechanism is used for penetrating through the traction mechanism so as to pull the cable to pass through the traction mechanism; the cutting assembly at least comprises a cable cutting device; and the cable traction assembly is also provided with a measuring assembly. According to the quantitative cutting equipment for the cable, the cable is efficiently, accurately and safely cut quantitatively, and the manual operation intensity is greatly relieved.

Description

Technical Field

[0001] The invention relates to a cable quantitative cutting device, belonging to the technical field of cable cutting. Background Art

[0002] In the power system, power cables are the key energy transmission medium, and their stability and reliability are directly related to the safe operation of the entire power system. Since cables are in a complex and changeable environment for a long time, they are easily affected by various factors, such as aging, wear, corrosion and overload, which may lead to the degradation of cable performance or even failure. Therefore, regular maintenance inspections and necessary replacement are required.

[0003] During the maintenance of power cables, when it is found that the cable is partially damaged or the performance is not up to standard, it is usually necessary to replace the cable. The traditional cable replacement process involves multiple cumbersome steps, among which the most time-consuming and labor-intensive is the measurement and cutting of the cable.

[0004] There are at least the following technical problems in the prior art: In actual operation, the cable reel needs to be installed on the cable bracket first, and then the cable needs to be manually pulled out from the cable bracket. This step is very labor-intensive and cumbersome. Subsequently, the length of the cable is measured using a tape measure tool. This method is not only inefficient, but also the measurement accuracy is easily affected by human factors and it is difficult to ensure accuracy. After the measurement is completed, the cable needs to be cut with the help of heavy tools such as hydraulic shears. This process also has the problems of complex operation and high safety risks. Summary of the invention

[0005] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a cable quantitative cutting device, which can quantitatively cut cables efficiently, accurately and safely, and greatly reduce the intensity of manual operation.

[0006] The cable quantitative cutting device of the present invention comprises a frame, on which a supporting assembly, a cable pulling assembly, a cable guiding assembly and a cutting assembly are sequentially arranged; The support assembly includes a cable tray inlet reserved on the frame, and the frames on both sides of the cable tray inlet are respectively equipped with liftable support mechanisms. When the support mechanism supports the cable tray, the cable tray can rotate on the support mechanism; The cable pulling assembly comprises a pulling mechanism for moving the cable, and a positioning mechanism is installed at the line input end of the pulling mechanism; The cable guide assembly comprises a guide cylinder, a wire pulling mechanism is slidably installed inside the guide cylinder, and the wire pulling mechanism is used to pass through the pulling mechanism so as to pull the cable through the pulling mechanism; a cutting assembly, including at least a cable cutting device; A measuring component is also installed on the cable pulling component.

[0007] Furthermore, the supporting mechanism comprises a lifting hydraulic cylinder mounted on the frame, a supporting frame is mounted on the output end of the lifting hydraulic cylinder, and a rotating roller is rotatably mounted on the supporting frame.

[0008] Furthermore, the connecting rod on the frame for connecting the two supporting mechanisms is retractably arranged.

[0009] Furthermore, the pulling mechanism comprises a pulling frame, on which a transverse movable rail is mounted, on which a symmetrically arranged pulling seat is slidably mounted, and on which a pulling wheel is mounted; A screw rod for driving the traction seat to move is installed on the transverse moving rail, and a traction nut is elastically connected to one end of the traction seat, and the traction nut is installed on the matching screw rod; A driving mechanism for driving the traction wheel to rotate is installed at the lower end of the traction seat.

[0010] Furthermore, the measuring assembly comprises a guide seat mounted on the traction seat, a guide column is slidably mounted on the guide seat, a roller length measuring device is mounted on the end of the guide column, and an elastic preload mechanism is mounted on the guide seat.

[0011] Furthermore, the positioning mechanism includes a positioning frame, on which two adjustable sliding columns are slidably mounted in the horizontal and vertical directions respectively, wherein the horizontal sliding columns and the vertical sliding columns are vertically cross-arranged, and a cable positioning opening is formed between the four sliding columns.

[0012] Further, the wire pulling mechanism includes telescopic cylinders mounted to upper and lower ends of the circumference of the guide cylinder; A pulling cylinder is slidably installed inside the guide cylinder, a locking eccentric wheel is hingedly installed at the end of the pulling cylinder, a connecting rod is also hinged on the locking eccentric wheel, and the other end of the connecting rod is hinged to the output end of the telescopic cylinder.

[0013] Furthermore, accommodating grooves are correspondingly provided at the upper and lower ends of the circumference of the guide cylinder, and the locking eccentric wheel can be moved into the accommodating groove under the drive of the pulling cylinder.

[0014] Furthermore, a plurality of hydraulic legs are installed on the frame, and the hydraulic legs are evenly installed on the lower end of the frame.

[0015] Furthermore, a small hydraulic station for providing hydraulic oil is correspondingly installed inside the frame.

[0016] Compared with the prior art, the present invention has the following beneficial effects: The present invention realizes cable cutting by means of a supporting assembly, a cable pulling assembly, a cable guiding assembly and a cutting assembly which are sequentially installed on a frame, and realizes cable measurement by means of a measuring assembly, thereby realizing efficient, accurate and safe quantitative cutting of the cable; the pulling mechanism avoids frequent adjustment of the traction wheels, and the cable can be quickly placed between the traction wheels, thereby greatly improving the efficiency of cutting the cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the construction structure of Example 1 of the present invention; Figure 2 This is one of the structural diagrams of Embodiment 1 of the present invention; Figure 3 yes Figure 2 A partial enlarged view of the middle part; Figure 4 It is a right side view of Embodiment 1 of the present invention; Figure 5 This is one of the structural diagrams of Embodiment 1 of the present invention; Figure 6 yes Figure 5 A partial enlarged view of point B in the middle; Figure 7 This is one of the schematic diagrams of the structure of the cable guide assembly according to Embodiment 1 of the present invention; Figure 8 This is the second structural schematic diagram of the cable guide assembly of embodiment 1 of the present invention; Fig. 9 is a schematic structural diagram of a cable pulling assembly according to Embodiment 1 of the present invention; Fig.10 yes Fig. 9 A partial enlarged view of point C in the middle; Fig.11 is a schematic diagram of the structure of a measurement component according to Embodiment 1 of the present invention; Fig.12 is a schematic diagram of the positioning mechanism structure of Example 1 of the present invention; In the figure: 1. Frame; 11. Connecting rod; 2. Cutting assembly; 21. Driving member; 22. Cutting frame; 23. Knife holder; 24. Blade; 25. Guide slide column; 26. Cutting seat; 3. Cable guide assembly; 31. Guide cylinder; 311. Accommodating groove; 32. Cable pulling mechanism; 321. Telescopic cylinder; 322. Pulling cylinder; 323. Connecting rod; 324. Locking eccentric wheel; 4. Cable pulling assembly; 41. Pulling mechanism; 411. Pulling wheel; 412. Pulling seat; 413. Transverse moving rail; 414. Pulling nut; 415. Screw rod; 416. Driving mechanism; 417. Pulling frame; 42. Positioning mechanism; 421. Vertical sliding column; 422. Transverse sliding column; 423. Positioning frame; 424. Adjusting screw; 425. Preload spring; 5. Cable reel; 6. Support assembly; 61. Rotating roller; 62. Support frame; 63. Lifting hydraulic cylinder; 7. Hydraulic outriggers; 8. Small hydraulic station; 9. Measuring assembly; 91. Roller length measuring device; 92. Guide column; 93. Guide seat; 94. Elastic preload mechanism; 941. Moving plate; 942. Guide positioning rod; 943. Guide screw; 944. Pressure spring; 945. Adjustment screw. DETAILED DESCRIPTION

[0018] Example 1 like Figures 1 to 12 As shown, the cable quantitative cutting device of the present invention comprises a frame 1, a moving wheel is installed at the lower end of the frame 1, and a supporting component 6, a cable pulling component 4, a cable guiding component 3 and a cutting component 2 are arranged on the frame 1 in sequence; The support assembly 6 includes a tray entry port reserved on the frame 1, and liftable support mechanisms are respectively installed on the frame 1 on both sides of the tray entry port. When the support mechanism supports the cable tray 5, the cable tray 5 can rotate on the support mechanism; The cable pulling assembly 4 includes a pulling mechanism 41 for moving the cable, and a positioning mechanism 42 is installed at the cable input end of the pulling mechanism 41; The cable guide assembly 3 includes a guide cylinder 31, in which a wire pulling mechanism 32 is slidably installed, and the wire pulling mechanism 32 is used to pass through the pulling mechanism 41 so as to pull the cable through the pulling mechanism 41; like Figure 7 or Figure 8 As shown, the cutting assembly 2 at least includes a cable cutting device; the cable cutting device is installed behind the pulling mechanism 41 and fixedly installed at the rear end of the frame 1. The cable cutting device includes a blade 24, a driving member 21 of the blade 24, and a cutting seat body 26 adapted to the blade 24. The blade 24 is driven to perform cutting action through the output end of the hydraulic cylinder, and the cutting seat body 26 ensures the accuracy of the cutting position; A cutting frame 22 is fixed to the outside of the cutting seat body 26. A driving member 21 is installed on the upper end of the cutting frame 22. The driving member 21 is a hydraulic cylinder. A knife holder 23 is slidably installed in the cutting frame 22. The knife holder 23 is installed to the output end of the hydraulic cylinder. A blade 24 is installed at the lower end of the knife holder 23. A guide slide column 25 is installed at the lower end of the knife holder 23. The guide slide column 25 is slidably connected to the cutting seat body 26. A cutting opening is provided on the cutting seat body 26 , and a guide cylinder 31 is correspondingly installed at one end of the cutting opening, and the cutting opening and the guide cylinder 31 are coaxially arranged.

[0019] A measuring component 9 is also installed on the cable pulling component 4 .

[0020] The supporting mechanism comprises a lifting hydraulic cylinder 63 mounted on the frame 1 , a supporting frame 62 is mounted on the output end of the lifting hydraulic cylinder 63 , and a rotating roller 61 is rotatably mounted on the supporting frame 62 .

[0021] The connecting rod 11 on the frame 1 for connecting the two supporting mechanisms is retractable to accommodate cable reels 5 of different diameters.

[0022] The pulling mechanism 41 includes a pulling frame 417, on which a transverse moving rail 413 is installed, on which a symmetrically arranged pulling seat 412 is slidably installed, and on which a pulling wheel 411 is installed; A screw rod 415 is installed on the transverse moving rail 413 to drive the traction seat 412 to move. The threads at both ends of the screw rod 415 are arranged in opposite directions, so that the traction seat 412 can move inward or outward at the same time. A traction nut 414 is elastically connected to one end of the traction seat 412, and the traction nut 414 is installed on the matching screw rod 415; A hand wheel is installed at one end of the screw rod 415. The screw rod 415 can be driven to rotate by rotating the hand wheel, thereby driving the traction seat 412 to move through the traction nut 414, and the clamping degree of the cable can be adjusted.

[0023] like Fig. 9 As shown, the transverse moving rail 413 is two guide cylinders, and one end of the traction seat 412 is elastically connected to the traction nut 414, which is achieved by installing a spring on the guide cylinder and elastically connecting the traction seat 412 to the traction nut 414 through the spring.

[0024] A driving mechanism 416 for driving the traction wheel 411 to rotate is installed at the lower end of the traction seat 412. The driving mechanism 416 includes a motor and a reduction box. The output end of the motor is connected to the reduction box, and the output end of the reduction box is connected to the traction wheel 411 through a rotating shaft.

[0025] like Fig.10 or Fig.11The measuring assembly 9 comprises a guide seat 93 mounted on the traction seat 412 , a guide column 92 is slidably mounted on the guide seat 93 , a roller length measuring device 91 is mounted on the end of the guide column 92 , and an elastic preload mechanism 94 is mounted on the guide seat 93 .

[0026] The elastic preload mechanism 94 includes a movable plate 941, an adjustment screw 945 for pulling the movable plate 941 to move, a guide screw 943 and a guide positioning rod 942 are installed at the end of the guide column 92, a pressure spring 944 is mounted on the guide screw 943, and the adjustment screw 945 is threadedly connected to the guide seat 93. The movable plate 941 can be driven to move by rotating the adjustment screw 945, and the guide column 92 is pushed to move by the pressure spring 944, so that the roller length measuring device 91 at the front end is pressed against the inner wall of the traction wheel 411. By rotating the traction wheel 411, the roller length measuring device 91 is used to measure the rotation distance, and the length of the cable passing through the traction wheel 411 is measured accordingly.

[0027] The positioning mechanism 42 includes a positioning frame 423 on which two adjustable sliding columns are slidably mounted in the horizontal and vertical directions, respectively, wherein the horizontal sliding column 422 and the vertical sliding column 421 are vertically cross-arranged, and a cable positioning opening is formed between the four sliding columns.

[0028] An adjusting screw 424 is installed on one side of the positioning frame 423 corresponding to the sliding column. The threads at both ends of the adjusting screw 424 are arranged in opposite directions to achieve the adjustment of the sliding column. The adjusting screw 424 is rotatably installed on the positioning frame 423. The threads on the adjusting screw 424 are connected to the sliding column. A pre-tightening spring 425 is also provided between the sliding column and the positioning frame 423 to prevent the cable from being locked during the pulling process.

[0029] The wire pulling mechanism 32 includes telescopic cylinders 321 mounted on the upper and lower ends of the circumference of the guide cylinder 31; A pulling cylinder 322 is slidably installed inside the guide cylinder 31 , and a locking eccentric wheel 324 is hingedly installed at the end of the pulling cylinder 322 . A connecting rod 323 is also hinged on the locking eccentric wheel 324 , and the other end of the connecting rod 323 is hinged to the output end of the telescopic cylinder 321 .

[0030] Receiving grooves 311 are correspondingly provided at the upper and lower ends of the circumference of the guide cylinder 31 , and the locking eccentric wheel 324 can be moved into the receiving groove 311 under the drive of the pulling cylinder 322 .

[0031] like Figure 7 and Figure 8 As shown, when the output end of the telescopic cylinder 321 drives the connecting rod 323 to extend, the locking eccentric wheel 324 is as shown in FIG. Figure 8As shown in the figure, it is rotated to the outside of the pulling cylinder 322. At this time, the pulling cylinder 322 passes between the two traction wheels 411. The traction wheel 411 retracts through the elastic connection between the traction seat 412 and the traction nut 414. The user simply inserts the cable head into the pulling cylinder 322. When the telescopic cylinder 321 retracts, the connecting rod 323 first pulls the locking eccentric wheel 324 to rotate. At this time, the locking eccentric wheel 324 rotates toward the inside of the pulling cylinder 322. When the locking eccentric wheel 324 abuts against the cable, the telescopic cylinder 321 continues to retract, driving the pulling cylinder 322 to retreat. At this time, the cable is pulled to move into the guide cylinder 31, and the cable enters between the two traction wheels 411.

[0032] A plurality of hydraulic legs 7 are also mounted on the frame 1 . The hydraulic legs 7 are evenly mounted on the lower end of the frame 1 . The hydraulic legs 7 can be existing hydraulic legs.

[0033] A small hydraulic station 8 for providing hydraulic oil is correspondingly installed inside the frame 1 .

[0034] Working process or working principle: Step 1, such as Figure 1 As shown, the equipment is moved so that the reserved drum entrance on the frame 1 extends into the lower end of the cable drum 5. At this time, the lifting hydraulic cylinder 63 can be actuated to prop up the support frame 62, and the cable drum 5 is supported by the rotating roller 61 on the support frame 62. At the same time, the hydraulic support leg 7 can be actuated first, so that the movement is more stable.

[0035] Step 2, the telescopic cylinder 321 is pre-activated, the pulling cylinder 322 is passed through the traction wheels 411, the cable head on the cable drum 5 is passed through the cable positioning port formed between the sliding columns, and then the cable head is inserted into the pulling cylinder 322. At this time, the telescopic cylinder 321 pulls the cable back.

[0036] Step three, start the motor in the driving mechanism 416, the cable is pulled down from the cable reel 5, the cable passes through the cutting seat 26 in the cutting assembly 2, and the cable length is measured by the roller length measuring device 91 in the measuring assembly 9. When the use length is reached, the drive member 21 can drive the tool holder 23 and the blade 24 to cut the cable.

[0037] The description of the direction and relative position relationship of the structure in the present invention, such as the description of front, back, left, right, up, and down, does not constitute a limitation of the present invention, but is only for the convenience of description.

Claims

1. A cable quantitative cutting device, characterized in that: The machine comprises a frame (1), on which a support assembly (6), a cable pulling assembly (4), a cable guiding assembly (3) and a cutting assembly (2) are arranged in sequence; A support assembly (6) includes a cable tray inlet reserved on the frame (1), and liftable support mechanisms are respectively installed on the frame (1) on both sides of the cable tray inlet. When the support mechanism supports the cable tray (5), the cable tray (5) can rotate on the support mechanism; A cable pulling assembly (4) comprises a pulling mechanism (41) for moving the cable, wherein a positioning mechanism (42) is installed at a cable entry end of the pulling mechanism (41); A cable guide assembly (3) comprises a guide cylinder (31), wherein a wire pulling mechanism (32) is slidably mounted inside the guide cylinder (31), and the wire pulling mechanism (32) is used to pass through the pulling mechanism (41) so as to pull the cable through the pulling mechanism (41); A cutting assembly (2), comprising at least a cable cutting device; A measuring component (9) is also installed on the cable pulling component (4).

2. The cable quantitative cutting equipment according to claim 1 is characterized in that: The support mechanism comprises a lifting hydraulic cylinder (63) mounted on the frame (1); a support frame (62) is mounted on the output end of the lifting hydraulic cylinder (63); and a rotating roller (61) is rotatably mounted on the support frame (62).

3. The cable quantitative cutting equipment according to claim 1, characterized in that: The connecting rod (11) on the frame (1) for connecting the two supporting mechanisms is telescopically arranged.

4. The cable quantitative cutting equipment according to claim 1, characterized in that: The pulling mechanism (41) comprises a pulling frame (417), a transverse movable rail (413) is mounted on the pulling frame (417), symmetrically arranged pulling seats (412) are slidably mounted on the transverse movable rail (413), and a pulling wheel (411) is mounted on the pulling seat (412); A screw rod (415) for driving the traction seat (412) to move is installed on the transverse moving rail (413); a traction nut (414) is elastically connected to one end of the traction seat (412); and the traction nut (414) is installed on a matching screw rod (415); A driving mechanism (416) for driving the traction wheel (411) to rotate is installed at the lower end of the traction seat (412).

5. The cable quantitative cutting equipment according to claim 4, characterized in that: The measuring assembly (9) comprises a guide seat (93) mounted on the traction seat (412), a guide column (92) being slidably mounted on the guide seat (93), a roller length measuring device (91) being mounted on the end of the guide column (92), and an elastic preload mechanism (94) being mounted on the guide seat (93).

6. The cable quantitative cutting equipment according to claim 1, characterized in that: The positioning mechanism (42) comprises a positioning frame (423), on which two adjustable sliding columns are respectively slidably mounted in the horizontal and vertical directions, wherein the horizontal sliding column (422) and the vertical sliding column (421) are arranged vertically and crosswise, and a cable positioning opening is formed between the four sliding columns.

7. The cable quantitative cutting equipment according to claim 1, characterized in that: The wire pulling mechanism (32) comprises a telescopic cylinder (321) mounted on upper and lower ends of the circumference of the guide cylinder (31); A pulling cylinder (322) is slidably mounted inside the guide cylinder (31), a locking eccentric wheel (324) is hingedly mounted on the end of the pulling cylinder (322), a connecting rod (323) is also hingedly mounted on the locking eccentric wheel (324), and the other end of the connecting rod (323) is hingedly mounted on the output end of the telescopic cylinder (321).

8. The cable quantitative cutting equipment according to claim 1, characterized in that: Accommodation grooves (311) are correspondingly provided at the upper and lower ends of the circumference of the guide cylinder (31), and the locking eccentric wheel (324) can be moved into the accommodation groove (311) under the drive of the pulling cylinder (322).

9. The cable quantitative cutting equipment according to claim 1, characterized in that: A plurality of hydraulic legs (7) are also mounted on the frame (1), and the hydraulic legs (7) are evenly mounted on the lower end of the frame (1).

10. The cable quantitative cutting equipment according to claim 9, characterized in that: A small hydraulic station (8) for providing hydraulic oil is correspondingly installed inside the frame (1).

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