CN210182928U - High-voltage cable stripping and cutting device - Google Patents
High-voltage cable stripping and cutting device Download PDFInfo
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- CN210182928U CN210182928U CN201921175123.3U CN201921175123U CN210182928U CN 210182928 U CN210182928 U CN 210182928U CN 201921175123 U CN201921175123 U CN 201921175123U CN 210182928 U CN210182928 U CN 210182928U
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- guide rail
- fixing device
- disc saw
- cutting
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Abstract
A high tension cable strips cuts device, its structure is: the bracket is connected to the operation platform; the upper guide rail and the lower guide rail are parallel to the surface of the workbench and are positioned on a first vertical plane; the first disc saw is connected with the upper guide rail, and the second disc saw is connected with the lower guide rail; the saw blades of the first disc saw and the second disc saw are perpendicular to the surface of the workbench and are positioned on a second vertical plane; the longitudinal cutting fixing device comprises a base and a pressing block, the base is connected to the operating platform, the pressing block is connected to the upper guide rail, a longitudinal cable longitudinal placing cavity is formed between the pressing block and the base, and the axis of the longitudinal cable placing cavity is on the vertical plane b; the transverse cutting fixing device comprises an upper clamping block and a lower clamping block which are movably connected, and the lower clamping block is connected to the operation platform; a cable transverse placing cavity is formed between the upper clamping block and the lower clamping block, and the axis of the cable transverse placing cavity is vertical to the second vertical plane; the transverse cutting fixing device and the longitudinal cutting fixing device are positioned on the same side of the first vertical plane; the position of the transverse cutting fixture is between the position of the longitudinal cutting fixture and the position of the two disc saws.
Description
Technical Field
The utility model relates to a strip device of cutting cable sample belongs to power cable inspection technical field.
Background
In recent years, with the demand of national economic development and the rapid increase of power loads, the construction of power grids is also accelerated. The demand for cables is also increasing, especially for high voltage cables. When carrying out cable performance detection, need to peel off to the cable core insulating layer and cut, if carry out conductor direct current resistance test before, need peel off to every end of sinle silk and cut, length is about 30 centimeters, requires can not harm the conductor. The thickness of the insulating layer of the high-voltage cable is more than 16mm, the traditional stripping and cutting method is to cut by an electric saw or cut layer by a knife, the finishing efficiency is not very low, and because the cutting depth is not easy to control, the conductor is easy to be damaged, the accuracy of the detection result is influenced, and the difficulty always puzzles various cable manufacturers and detection units.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a shell device of cutting, this device can shell and cut cable insulation layer, can be used for making test samples such as conductor direct current resistance, semi-conductive shielding volume resistivity, insulating thermal contraction. The technical scheme is as follows:
a high-voltage cable stripping and cutting device comprises an operation table, a support, an upper guide rail, a lower guide rail, a transverse cutting and fixing device, a longitudinal cutting and clamping device, a first disc saw and a second disc saw;
the bracket is connected to the operation platform;
the upper guide rail and the lower guide rail are parallel to the surface of the workbench and are positioned on a first vertical plane; the upper guide rail and the lower guide rail are connected to the bracket;
the first disc saw is connected to the upper guide rail through a first height adjusting mechanism, and the second disc saw is connected to the lower guide rail through a second height adjusting mechanism; the saw blades of the first disc saw and the second disc saw are perpendicular to the surface of the workbench and are positioned on a second vertical plane;
the longitudinal cutting fixing device comprises a base and a pressing block, the base is connected to the operating platform, the pressing block is connected to the upper guide rail, a longitudinal cable longitudinal placing cavity is formed between the pressing block and the base, and the axis of the longitudinal cable placing cavity is on the vertical plane b;
the transverse cutting fixing device comprises an upper clamping block and a lower clamping block which are movably connected, and the lower clamping block is connected to the operation platform; a cable transverse placing cavity is formed between the upper clamping block and the lower clamping block, and the axis of the cable transverse placing cavity is vertical to the second vertical plane;
the transverse cutting fixing device and the longitudinal cutting fixing device are positioned on the same side of the first vertical plane;
the position of the transverse cutting fixture is between the position of the longitudinal cutting fixture and the position of the two disc saws.
When the transverse cutting fixing device is specifically realized, one mode can be that the clamping blocks are paired, the opposite surfaces of the two clamping blocks are provided with arc-shaped concave parts, the left side and the right side of the lower clamping block are respectively provided with a sunk screw hole, the left side and the right side of the upper clamping block are provided with a through hole, and the two claw bolts respectively penetrate through the through holes and are screwed into the sunk screw holes. Other arrangements known in the art may be used to clamp the cable.
When the longitudinal cutting fixing device is specifically realized, one mode can be that the opposite surfaces of the base and the pressing block are provided with arc-shaped concave parts. A supporting beam is fixedly connected to the guide rail, a vertical through hole is formed in the supporting beam, a screw rod penetrates through the vertical through hole, a butterfly nut is screwed on the screw rod and abuts against the outer surface of the lower end face of the vertical through hole, and the bottom of the screw rod is connected to the pressing block. Other arrangements known in the art may be used to clamp the cable.
Further, the device also comprises an auxiliary fixing device; the auxiliary fixing device is a supporting rod with a Y-shaped radial section, the supporting rod is rotatably connected to the operating platform, the rotating axis is perpendicular to the surface of the operating platform, and the side of the longitudinal cutting fixing device, which is far away from the disc saw, is provided with a fixing hole; the top of the support rod is a cable placing space.
The auxiliary fixing device is matched with the transverse/longitudinal cutting fixing device for use, and two supporting positions of the same cable on the device are respectively arranged on the auxiliary fixing device and the transverse/longitudinal cutting fixing device, so that the situation that the cable on the transverse/longitudinal cutting fixing device is inclined and the like can be well avoided.
Preferably, the upper guide rail is a sliding groove, and the first height adjusting mechanism is connected to the upper guide rail in a sliding manner;
the lower guide rail and the second height adjusting mechanism form a ball screw structure, the lower guide rail is a screw rod in the ball screw structure, and the second height adjusting mechanism is connected with a nut of the ball screw structure; the head end and the tail end of the lower guide rail are respectively connected to the bracket through bearings, and the lower guide rail is connected with a hand wheel;
the first height adjustment structure and the second height adjustment structure are detachably connected with a synchronous connecting rod (according to the use requirement, after the hand wheel is rotated, the second disc saw independently performs linear motion, or the two disc saws perform linear motion together).
The first height adjustment mechanism and the second height adjustment mechanism are identical and comprise: a slide and a disc saw base; the first/second disc saw is connected with the disc saw base; a groove in the vertical direction is formed on the sliding seat, and the radial section of the groove is C-shaped; one side of the disc saw base is embedded in the groove (the first/second disc saw is connected to the other side of the disc saw base), and a screw hole in the vertical direction is formed in the side; a screw is screwed in the screw hole; the head end and the tail end of the screw rod are respectively connected with the upper end and the lower end of the groove through bearings; the head end of the screw is connected with a hand wheel;
for the first height adjusting mechanism, the head end of the screw rod is upward, the sliding seat is connected with a sliding groove, and the sliding groove is in sliding connection with the upper guide rail;
for the second height adjusting mechanism, the head end of the screw rod faces downwards, and the sliding seat is connected with a nut of the ball screw structure.
When the disc saw is in actual use, corresponding scales are marked between one side of the disc saw base and the outer wall of the groove, and are used for indicating the height of the disc saw.
In the first and second height adjusting structures, a screw glue is filled between the screw hole and the screw rod to increase the position stability between the screw rod and the screw hole.
The device is provided with a transverse cutting fixing device and a longitudinal cutting clamping device, wherein an upper circular saw blade (disc saw) and a lower circular saw blade (disc saw) with adjustable heights are respectively arranged on the upper side and the lower side of the device, the circular saw blades are driven to run by a group of motors under the guidance of linear guide rails, and a hand wheel on a second guide rail is used for controlling a disc saw base to run along the direction of the guide rails so as to control the stripping and cutting distance;
the height of the saw blade is adjusted through the hand wheels on the first height adjusting mechanism and the second height adjusting mechanism to control the stripping and cutting depth, so that the effect of one-time cutting in place can be achieved, and one saw blade can be used for transversely cutting a cable. The cutting depth of the saw blade can be accurately controlled, and the conductor is prevented from being damaged due to overlarge cutting depth.
The device greatly improves the efficiency of sample preparation, improves the stripping and cutting quality, can meet the test requirements of conductor direct current resistance, insulation thermal contraction and volume resistivity of a semi-conductive shield, improves the reliability and accuracy of detection, and solves the problems existing in the background technology.
The device is suitable for stripping and cutting the insulation (layer) of the medium-voltage, high-voltage and ultrahigh-voltage cable insulation or wire core with the outer diameter of 15-140 mm.
The utility model discloses an actively the effect: through adjusting the saw bit degree of depth, can once only shell the insulating layer that cuts open the cable, avoid damaging the conductor, improve the efficiency and the quality of sample preparation, avoid deviating because of the test result that the conductor damage arouses.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a top view schematic of FIG. 1;
FIG. 3 is a schematic view (same view as FIG. 1) of a longitudinal stripping and cutting operation of a cable;
FIG. 4 is a schematic view showing the structure of the longitudinal cutting fixture (left view in FIG. 1)
FIG. 5 is a schematic diagram of a cable transverse cutting operation (from the top view of FIG. 1);
FIG. 6 is a transverse cutting fixture (same view as FIG. 1)
FIG. 7 is a schematic structural view of a first/second height adjustment structure;
FIG. 8 is a schematic view of the connection between the slide and the base of the disk saw (from the top view of FIG. 7);
in the figure: the device comprises an operation table 1, a support 2, an upper guide rail 3, a lower guide rail 4, a transverse cutting fixing device 5, a longitudinal cutting clamping device 6, an auxiliary fixing device 7, a first disc saw 8, a second disc saw 9, a first height adjusting mechanism 10, a second height adjusting mechanism 11, a cable core 12, a base 13, a pressing block 14, a supporting beam 15, a vertical through hole 16 in the supporting beam, a screw 17 of the longitudinal cutting fixing device, a butterfly nut 18, an upper clamping block 19, a lower clamping block 20, a claw bolt 21, a hand wheel 22 connected with the lower guide rail, a synchronous connecting rod 23, a sliding seat 24, a disc saw base 25, a groove 26 in the sliding seat, a hand wheel 27 of a first/second height adjusting mechanism, a motor switch 28 of the first/second disc saw, a screw 29 of the first/second height adjusting mechanism and a bearing 30.
Detailed Description
The present disclosure is further described with reference to the following drawings and detailed description:
as shown in fig. 1 to 8, a high-voltage cable stripping and cutting device comprises an operation table, a bracket, an upper guide rail, a lower guide rail, a transverse cutting and fixing device, a longitudinal cutting and clamping device, a first disc saw and a second disc saw;
the bracket is connected to the operation platform;
the upper guide rail and the lower guide rail are parallel to the surface of the workbench and are positioned on a first vertical plane; the upper guide rail and the lower guide rail are connected to the bracket;
the first disc saw is connected to the upper guide rail through a first height adjusting mechanism, and the second disc saw is connected to the lower guide rail through a second height adjusting mechanism; the saw blades of the first disc saw and the second disc saw are perpendicular to the surface of the workbench and are positioned on a second vertical plane;
the longitudinal cutting fixing device comprises a base and a pressing block, the base is connected to the operating platform, the pressing block is connected to the upper guide rail, a longitudinal cable longitudinal placing cavity is formed between the pressing block and the base, and the axis of the longitudinal cable placing cavity is on the vertical plane b;
the transverse cutting fixing device comprises an upper clamping block and a lower clamping block which are movably connected, and the lower clamping block is connected to the operation platform; a cable transverse placing cavity is formed between the upper clamping block and the lower clamping block, and the axis of the cable transverse placing cavity is vertical to the second vertical plane;
the transverse cutting fixing device and the longitudinal cutting fixing device are positioned on the same side of the first vertical plane;
the position of the transverse cutting fixture is between the position of the longitudinal cutting fixture and the position of the two disc saws.
In this example, the transverse cutting fixing device is a pair of clamping blocks, the opposite surfaces of the two clamping blocks are provided with arc-shaped concaves, the left side and the right side of the lower clamping block are respectively provided with a sunk screw hole, the left side and the right side of the upper clamping block are provided with a through hole, and the two claw bolts respectively pass through the through holes and are screwed into the sunk screw holes. Other arrangements known in the art may be used to clamp the cable.
The longitudinal cutting and fixing device is characterized in that the opposite surfaces of the base and the pressing block are provided with arc-shaped inner recesses. A supporting beam is fixedly connected to the guide rail, a vertical through hole is formed in the supporting beam, a screw rod penetrates through the vertical through hole, a butterfly nut is screwed on the screw rod and abuts against the outer surface of the lower end face of the vertical through hole, and the bottom of the screw rod is connected to the pressing block. Other arrangements known in the art may be used to clamp the cable.
Further, the device also comprises an auxiliary fixing device; the auxiliary fixing device is a supporting rod with a Y-shaped radial section, the supporting rod is rotatably connected to the operating platform, the rotating axis is perpendicular to the surface of the operating platform, and the side of the longitudinal cutting fixing device, which is far away from the disc saw, is provided with a fixing hole; the top of the support rod is a cable placing space.
The auxiliary fixing device is matched with the transverse/longitudinal cutting fixing device for use, and two supporting positions of the same cable on the device are respectively arranged on the auxiliary fixing device and the transverse/longitudinal cutting fixing device, so that the situation that the cable on the transverse/longitudinal cutting fixing device is inclined and the like can be well avoided.
Preferably, the upper guide rail is a sliding groove, and the first height adjusting mechanism is connected to the upper guide rail in a sliding manner;
the lower guide rail and the second height adjusting mechanism form a ball screw structure, the lower guide rail is a screw rod in the ball screw structure, and the second height adjusting mechanism is connected with a nut of the ball screw structure; the head end and the tail end of the lower guide rail are respectively connected to the bracket through bearings, and the lower guide rail is connected with a hand wheel;
the first height adjustment structure and the second height adjustment structure are detachably connected with a synchronous connecting rod (according to the use requirement, after the hand wheel is rotated, the second disc saw independently performs linear motion, or the two disc saws perform linear motion together).
The first height adjustment mechanism and the second height adjustment mechanism are identical and comprise: a slide and a disc saw base; the first/second disc saw is connected with the disc saw base; a groove in the vertical direction is formed on the sliding seat, and the radial section of the groove is C-shaped; one side of the disc saw base is embedded in the groove (the first/second disc saw is connected to the other side of the disc saw base), and a screw hole in the vertical direction is formed in the side; a screw is screwed in the screw hole; the head end and the tail end of the screw rod are respectively connected with the upper end and the lower end of the groove through bearings; the head end of the screw is connected with a hand wheel;
for the first height adjusting mechanism, the head end of the screw rod is upward, the sliding seat is connected with a sliding groove, and the sliding groove is in sliding connection with the upper guide rail;
for the second height adjusting mechanism, the head end of the screw rod faces downwards, and the sliding seat is connected with a nut of the ball screw structure.
When the disc saw is in actual use, corresponding scales are marked between one side of the disc saw base and the outer wall of the groove, and are used for indicating the height of the disc saw.
In the first and second height adjusting structures, a screw glue is filled between the screw hole and the screw rod to increase the position stability between the screw rod and the screw hole.
The main technical parameters of the device are as follows:
the external dimension is as follows: 1210mm × 1000mm × 1450mm, cut cable outer diameter: 15 mm-140 mm, cutting depth: 0-70 mm, cutting length: 0-400 mm, input power: 380V, 2.2kW and 50 Hz.
Claims (5)
1. A high-voltage cable stripping and cutting device is characterized by comprising an operation platform, a support, an upper guide rail, a lower guide rail, a transverse cutting and fixing device, a longitudinal cutting and clamping device, a first disc saw and a second disc saw;
the bracket is connected to the operation platform;
the upper guide rail and the lower guide rail are parallel to the surface of the workbench and are positioned on a first vertical plane; the upper guide rail and the lower guide rail are connected to the bracket;
the first disc saw is connected to the upper guide rail through a first height adjusting mechanism, and the second disc saw is connected to the lower guide rail through a second height adjusting mechanism; the saw blades of the first disc saw and the second disc saw are perpendicular to the surface of the workbench and are positioned on a second vertical plane;
the longitudinal cutting fixing device comprises a base and a pressing block, the base is connected to the operating platform, the pressing block is connected to the upper guide rail, a longitudinal cable longitudinal placing cavity is formed between the pressing block and the base, and the axis of the longitudinal cable placing cavity is on the vertical plane b;
the transverse cutting fixing device comprises an upper clamping block and a lower clamping block which are movably connected, and the lower clamping block is connected to the operation platform; a cable transverse placing cavity is formed between the upper clamping block and the lower clamping block, and the axis of the cable transverse placing cavity is vertical to the second vertical plane;
the transverse cutting fixing device and the longitudinal cutting fixing device are positioned on the same side of the first vertical plane;
the position of the transverse cutting fixture is between the position of the longitudinal cutting fixture and the position of the two disc saws.
2. The high voltage cable stripping and cutting device as claimed in claim 1, further comprising an auxiliary fixing device; the auxiliary fixing device is a supporting rod with a Y-shaped radial section, the supporting rod is rotatably connected to the operating platform, the rotating axis is perpendicular to the surface of the operating platform, and the side of the longitudinal cutting fixing device, which is far away from the disc saw, is provided with a fixing hole; the top of the support rod is a cable placing space.
3. The high voltage cable stripping and cutting device as claimed in claim 1, wherein the upper rail is a chute, and the first height adjustment mechanism is slidably connected to the upper rail;
the lower guide rail and the second height adjusting mechanism form a ball screw structure, the lower guide rail is a screw rod in the ball screw structure, and the second height adjusting mechanism is connected with a nut of the ball screw structure; the head end and the tail end of the lower guide rail are respectively connected to the bracket through bearings, and the lower guide rail is connected with a hand wheel;
a synchronous connecting rod is detachably connected between the first height adjusting structure and the second height adjusting structure.
4. The high voltage cable stripping and cutting apparatus as claimed in claim 1, wherein the first height adjustment mechanism and the second height adjustment mechanism are identical and comprise: a slide and a disc saw base; the first/second disc saw is connected with the disc saw base; a groove in the vertical direction is formed on the sliding seat, and the radial section of the groove is C-shaped; one side of the disc saw base is embedded in the groove, and a screw hole in the vertical direction is formed in the side; a screw is screwed in the screw hole; the head end and the tail end of the screw rod are respectively connected with the upper end and the lower end of the groove through bearings; the head end of the screw is connected with a hand wheel;
for the first height adjusting mechanism, the head end of the screw rod is upward, the sliding seat is connected with a sliding groove, and the sliding groove is in sliding connection with the upper guide rail;
for the second height adjusting mechanism, the head end of the screw rod faces downwards, and the sliding seat is connected with a nut of the ball screw structure.
5. The high voltage cable stripping and cutting device as claimed in claim 4, wherein in the first and second height adjusting structures, a screw glue is filled between the screw hole and the screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921175123.3U CN210182928U (en) | 2019-07-25 | 2019-07-25 | High-voltage cable stripping and cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921175123.3U CN210182928U (en) | 2019-07-25 | 2019-07-25 | High-voltage cable stripping and cutting device |
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| Publication Number | Publication Date |
|---|---|
| CN210182928U true CN210182928U (en) | 2020-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921175123.3U Active CN210182928U (en) | 2019-07-25 | 2019-07-25 | High-voltage cable stripping and cutting device |
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| CN (1) | CN210182928U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116979434A (en) * | 2023-09-25 | 2023-10-31 | 天津滨电电力工程有限公司 | Self-adaptive centering tool rest for high-precision circular cutting of high-voltage cable |
-
2019
- 2019-07-25 CN CN201921175123.3U patent/CN210182928U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116979434A (en) * | 2023-09-25 | 2023-10-31 | 天津滨电电力工程有限公司 | Self-adaptive centering tool rest for high-precision circular cutting of high-voltage cable |
| CN116979434B (en) * | 2023-09-25 | 2024-01-16 | 天津滨电电力工程有限公司 | Self-adaptive centering tool rest for high-precision circular cutting of high-voltage cable |
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