CN216846009U

CN216846009U - Insulation thickness measuring device for power cable

Info

Publication number: CN216846009U
Application number: CN202220604699.2U
Authority: CN
Inventors: 马维河
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-18
Filing date: 2022-03-18
Publication date: 2022-06-28
Anticipated expiration: 2032-03-18

Abstract

The utility model belongs to the technical field of the thickness measurement, especially, be an insulation thickness measuring device for power cable, comprising a base plate, the top of bottom plate is provided with the roof, be four through four connecting rod fixed connection that are the rectangular array and distribute, four between bottom plate and the roof sliding connection has the fly leaf on the connecting rod. The utility model discloses it reciprocates to set up elevating system control fly leaf drive measuring mechanism, be convenient for get the great sample with the cable insulation layer of volume of measuring when measuring and place the bottom plate on, through setting up fixed knot structure, when the fly leaf moves down, fixed knot structure is at first with the cable insulation layer contact, make crooked cable insulation layer pressurized expand, the measuring mechanism of being convenient for measures, setting through pressure sensor, when the pressure that the cable insulation layer received is too big to be about to make its pressurized take place to warp, control panel control measuring mechanism stop work, therefore measuring result is more accurate, the error that manual measurement leads to has also been avoided simultaneously.

Description

Insulation thickness measuring device for power cable

Technical Field

The utility model relates to a thickness measurement technical field specifically is an insulation thickness measuring device for power cable.

Background

The withstand voltage strength of the cable depends on the material and thickness of insulation, so the product standard of the electric wire and the cable has strict regulation on the insulation thickness, the insulation thickness does not meet the standard requirement, the electrical strength of the weak point of insulation is reduced or the electric field is too concentrated, and the potential safety hazard is caused.

The common mode that is used for measuring power cable insulation thickness uses micrometer direct measurement mostly, nevertheless to the insulating layer thicker, the better cable of compliance, at the measuring in-process, measuring device probably can make it take place deformation to the pressure of cable insulation centre gripping, influences measurement accuracy, therefore we have provided an insulation thickness measuring device for power cable and have solved above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides an insulation thickness measuring device for power cable has solved the problem that the cable insulation layer deformation that proposes leads to measuring certain error among the above-mentioned background art.

(II) technical scheme

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

an insulation thickness measuring device for a power cable comprises a bottom plate, wherein a top plate is arranged above the bottom plate, the bottom plate and the top plate are fixedly connected through four connecting rods distributed in a rectangular array, four movable plates are connected on the connecting rods in a sliding manner and driven by a lifting mechanism, a control panel is fixedly mounted on the top plate, a measuring mechanism is arranged on the movable plates, a fixing structure for fixing a cable insulation layer is arranged on the movable plates, the fixing structure comprises four T-shaped rods connected on the movable plates in a rectangular array in a sliding manner, reset springs are sleeved on the T-shaped rods, two ends of the reset springs are respectively fixedly connected with the heads of the movable plates and the T-shaped rods, a fixing frame is fixedly connected with the lower ends of the T-shaped rods, a fixing rod is fixedly connected inside the fixing frame, and a mounting groove matched with a pressing plate is formed in the upper surface of the bottom plate, the mounting groove internal fixation has the pressure sensor who is the rectangular array and distributes, control panel and pressure sensor electric connection.

Further, elevating system includes two lead screws that pass through the bearing rotation with the roof and be connected, the upper end of lead screw runs through the roof and extends to its top and fixedly connected with drive wheel, two connect through the drive belt transmission between the drive wheel, fixed mounting has driving motor on the roof, driving motor's drive end links to each other with one of them lead screw, the both ends of fly leaf respectively with two lead screw threaded connection, driving motor and control panel electric connection.

Furthermore, first shaft seats are fixed at two ends of the upper surface of the bottom plate, the first shaft seats are rotatably connected with the lower end of the screw rod, a baffle is fixed between the two connecting rods at the same side, and the baffle is connected with the upper ends of the first shaft seats.

Further, the measuring mechanism is including setting up the clamp plate in the fly leaf below, the upper end of clamp plate is fixed with the threaded rod, the upper surface of fly leaf is connected with a screw thread section of thick bamboo through axle bed two rotations, the inside wall and the threaded rod threaded connection of a screw thread section of thick bamboo, fixed mounting has servo motor on the fly leaf, be fixed with the gear in servo motor's the drive shaft, the insection the same with the gear surface is seted up to the lateral wall of a screw thread section of thick bamboo, be connected through the cingulum transmission between gear and the insection, servo motor and control panel electric connection.

Furthermore, the movable plate is connected with four slide bars in a rectangular array in a sliding mode, and the lower ends of the slide bars are fixedly connected with the pressing plate.

Further, the upper surface of bottom plate is fixed with the hardboard, the opening with the mounting groove looks adaptation is seted up to the inboard of hardboard, the last non-slip texture of having seted up of hardboard.

(III) advantageous effects

Compared with the prior art, the utility model provides an insulation thickness measuring device for power cable possesses following beneficial effect:

the utility model discloses, drive measuring mechanism through setting up elevating system control fly leaf and reciprocate, be convenient for get the great sample with the cable insulation layer of volume of awaiting measuring when measuring and place the bottom plate on, through setting up fixed knot structure, when the fly leaf lapse, fixed knot structure is at first in contact with the cable insulation layer, make crooked cable insulation layer pressurized expand, the measuring mechanism of being convenient for measures, setting through pressure sensor, when the too big pressure that receives of cable insulation layer is about to make its pressurized take place to warp, control panel control measuring mechanism stop work, therefore the measuring result is more accurate, the error that manual measurement leads to has also been avoided simultaneously.

Drawings

FIG. 1 is a schematic view of the appearance structure of the present invention;

FIG. 2 is a sectional view of the internal structure of the present invention;

FIG. 3 is a schematic view of the measuring mechanism of the present invention;

fig. 4 is a schematic structural view of another view angle measuring mechanism of the present invention.

In the figure: 1. a base plate; 2. a top plate; 3. a connecting rod; 4. a movable plate; 5. a lifting mechanism; 501. a screw rod; 502. a driving wheel; 503. a transmission belt; 504. a drive motor; 6. a control panel; 7. a first shaft seat; 8. a baffle plate; 9. a measuring mechanism; 901. pressing a plate; 902. a threaded rod; 903. a second shaft seat; 904. a threaded barrel; 905. a servo motor; 906. a gear; 907. insection; 908. a toothed belt; 10. a slide bar; 11. a fixed structure; 1101. a T-shaped rod; 1102. a return spring; 1103. a fixing frame; 1104. fixing the rod; 12. mounting grooves; 13. a pressure sensor; 14. hard plates; 15. and (4) anti-skid lines.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

As shown in fig. 1-4, an insulation thickness measuring device for a power cable according to an embodiment of the present invention includes a bottom plate 1, a top plate 2 is disposed above the bottom plate 1, the bottom plate 1 and the top plate 2 are fixedly connected by four connecting rods 3 distributed in a rectangular array, a movable plate 4 is slidably connected to the four connecting rods 3, the movable plate 4 is driven by a lifting mechanism 5, a control panel 6 is fixedly mounted on the top plate 2, a measuring mechanism 9 is disposed on the movable plate 4, a fixing structure 11 for fixing a cable insulation layer is disposed on the movable plate 4, the fixing structure 11 includes four T-shaped rods 1101 slidably connected to the movable plate 4 in a rectangular array, a return spring 1102 is sleeved on the T-shaped rods 1101, two ends of the return spring 1102 are respectively fixedly connected to the movable plate 4 and the head of the T-shaped rods 1101, a fixing frame 1103 is fixedly connected to the lower end of the T-shaped rods 1101, a fixing rod 1104 is fixedly connected inside the fixing frame 1103, a mounting groove 12 matched with the pressing plate 901 is formed in the upper surface of the bottom plate 1, pressure sensors 13 distributed in a rectangular array are fixed in the mounting groove 12, and the control panel 6 is electrically connected with the pressure sensors 13; in summary, when the device is used, the movable plate 4 is moved upwards by the lifting mechanism 5 to place the cable insulation layer for sampling on the bottom plate 1, after the placement is completed, the lifting mechanism 5 moves the movable plate 4 downwards, at this time, the fixing frame 1103 of the fixing structure 11 is firstly contacted with the cable insulation layer, and through the cooperation of a measurer, the fixing frame 1103 is flatly contacted with the cable insulation layer to flatten the cable insulation layer, thereby avoiding the problem that the measurement result is larger due to the curved radian of the cable insulation layer during the measurement, and through the arrangement of the fixing rod 1104, the fixing effect of the fixing structure 11 on the cable insulation layer is mentioned, because of the arrangement of the return spring 1102 and the T-shaped rod 1101, the fixed return spring 1102 is extended in the process that the movable plate 4 is pressed downwards continuously, so that the pressure of the fixing frame 1103 on the cable insulation layer cannot cause damage to the device, when the movable plate 4 is moved to the lowest end, starting measuring mechanism 9 and measuring the thickness of cable insulation layer, because pressure sensor 13's setting, when measuring mechanism 9 caused the pressure of cable insulation layer too big, control panel 6 can receive pressure sensor 13's signal and make measuring mechanism 9 stop to continue work to it is littleer to avoid cable insulation layer to be leaded to the measuring result by extrusion deformation, simultaneously, whether the inconsistent condition of thickness also is convenient for detect cable insulation layer by the setting of a plurality of pressure sensor 13.

As shown in fig. 2, in some embodiments, the lifting mechanism 5 includes two lead screws 501 rotatably connected to the top plate 2 through bearings, an upper end of each lead screw 501 extends above the top plate 2 and is fixedly connected to a driving wheel 502, the two driving wheels 502 are in transmission connection through a transmission belt 503, a driving motor 504 is fixedly mounted on the top plate 2, a driving end of the driving motor 504 is connected to one of the lead screws 501, two ends of the movable plate 4 are respectively in threaded connection with the two lead screws 501, and the driving motor 504 is electrically connected to the control panel 6; through the arrangement of the driving wheel 502 and the driving belt 503, the driving motor 504 can enable the two screw rods 501 to rotate synchronously, so that the heights of the two ends of the movable plate 4 are kept the same, and the driving motor 504 is controlled through the control panel 6, so that the rotation direction of the driving end of the driving motor 504 during operation can be adjusted conveniently.

As shown in fig. 2, in some embodiments, a first shaft seat 7 is fixed at each of two ends of the upper surface of the bottom plate 1, the first shaft seats 7 are rotatably connected with the lower end of the screw rod 501, a baffle plate 8 is fixed between two connecting rods 3 on the same side, and the baffle plate 8 is connected with the upper end of the first shaft seats 7; through the arrangement of the first shaft seat 7 and the baffle 8, when the movable plate 4 moves to the lowest end, a distance is still kept from the bottom plate 1, and the distance is the sum of the maximum measurement distance of the measurement device and the thickness of the pressing plate 901, and meanwhile, through the arrangement of the baffle 8, the movable plate 4 is kept horizontal when moving to the lowest end.

As shown in fig. 3 and 4, in some embodiments, the measuring mechanism 9 includes a pressing plate 901 disposed below the movable plate 4, a threaded rod 902 is fixed at an upper end of the pressing plate 901, a threaded cylinder 904 is rotatably connected to an upper surface of the movable plate 4 through a shaft seat 903, an inner sidewall of the threaded cylinder 904 is in threaded connection with the threaded rod 902, a servo motor 905 is fixedly mounted on the movable plate 4, a gear 906 is fixed on a driving shaft of the servo motor 905, a toothed strip 907 identical to an outer surface of the gear 906 is formed on an outer sidewall of the threaded cylinder 904, the gear 906 and the toothed strip 907 are in transmission connection through a toothed strip 908, and the servo motor 905 is electrically connected with the control panel 6; the screw cylinder 904 is rotated by a servo motor 905, so that the screw rod 902 screwed with the screw cylinder 904 can move up and down according to the rotation direction of the screw cylinder 904, because the control panel 6 is electrically connected with the servo motor 905, the working stroke of the servo motor 905 can be known by monitoring a sensor in the servo motor 905 through the control panel 6, so that the number of turns of the threaded cylinder 904 can be obtained according to the working stroke of the servo motor 905, and the lifting distance of the threaded rod 902 can be calculated according to the thread pitches of the threaded cylinder 904 and the threaded rod 902, due to the arrangement of the pressure sensor 13, when the pressure sensor 13 senses a pressure capable of deforming the cable insulation, the signal is transmitted to the control panel 6, the control panel 6 controls the servo motor 905 to stop working, and the difference between the moving distance of the threaded rod 902 and the maximum moving distance of the threaded rod 902 in the device is the thickness of the cable insulation layer.

As shown in fig. 3, in some embodiments, four sliding rods 10 distributed in a rectangular array are slidably connected to the movable plate 4, and the lower ends of the sliding rods 10 are fixedly connected to the pressing plate 901; through the arrangement of the sliding rod 10, the threaded rod 902 cannot rotate, so that the probability of errors of measurement results is reduced.

As shown in fig. 1 and 2, in some embodiments, a hard plate 14 is fixed on the upper surface of the bottom plate 1, a through hole matched with the mounting groove 12 is formed on the inner side of the hard plate 14, and an anti-skid texture 15 is formed on the hard plate 14; the height of the upper surface of the hard board 14 is the same as that of the upper surface of the pressure sensor 13, so that when measurement is carried out, the cable insulation layer is tiled on the pressure sensor 13 and the hard board 14, the measurement error caused by height difference cannot occur, meanwhile, the arrangement of the anti-skid grains 15 can avoid the situation that the pressure of the measuring mechanism 9 causes the cable insulation layer to slide during measurement, and the effect of reducing the error is also achieved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An insulation thickness measuring device for an electric power cable, comprising a base plate (1), characterized in that: the cable insulation board is characterized in that a top plate (2) is arranged above the bottom plate (1), four connecting rods (3) which are distributed in a rectangular array are fixedly connected between the bottom plate (1) and the top plate (2), a movable plate (4) is connected to the connecting rods (3) in a sliding manner, the movable plate (4) is driven by a lifting mechanism (5), a control panel (6) is fixedly mounted on the top plate (2), a measuring mechanism (9) is arranged on the movable plate (4), a fixed structure (11) for fixing a cable insulation layer is arranged on the movable plate (4), the fixed structure (11) comprises four T-shaped rods (1101) which are connected to the movable plate (4) in a sliding manner in a rectangular array manner, a reset spring (1102) is sleeved on each T-shaped rod (1101), and two ends of the reset spring (1102) are respectively fixedly connected with the heads of the movable plate (4) and the T-shaped rods (1101), the utility model discloses a pressure sensor's mounting groove, including bottom plate (1), mounting groove (12) that the lower extreme fixedly connected with of T type pole (1101) is fixed frame (1103), the inside fixedly connected with dead lever (1104) of fixed frame (1103), bottom plate (1) upper surface offer with clamp plate (901) looks adaptation, mounting groove (12) internal fixation has pressure sensor (13) that are the distribution of rectangle array, control panel (6) and pressure sensor (13) electric connection.

2. An insulation thickness measuring apparatus for electric power cable according to claim 1, characterized in that: elevating system (5) include two lead screw (501) of being connected through the bearing rotation with roof (2), the upper end of lead screw (501) runs through roof (2) and extends to its top and fixedly connected with drive wheel (502), two connect through drive belt (503) transmission between drive wheel (502), fixed mounting has driving motor (504) on roof (2), the drive end and one of them lead screw (501) of driving motor (504) link to each other, the both ends of fly leaf (4) respectively with two lead screw (501) threaded connection, driving motor (504) and control panel (6) electric connection.

3. An insulation thickness measuring apparatus for electric power cable according to claim 2, characterized in that: two ends of the upper surface of the bottom plate (1) are respectively fixed with a first shaft seat (7), the first shaft seats (7) are rotatably connected with the lower end of the screw rod (501), a baffle (8) is fixed between the two connecting rods (3) on the same side, and the baffle (8) is connected with the upper end of the first shaft seats (7).

4. An insulation thickness measuring apparatus for electric power cable according to claim 1, characterized in that: the measuring mechanism (9) comprises a pressing plate (901) arranged below the movable plate (4), a threaded rod (902) is fixed at the upper end of the pressing plate (901), the upper surface of the movable plate (4) is rotatably connected with a threaded cylinder (904) through a second shaft seat (903), the inner side wall of the threaded cylinder (904) is in threaded connection with the threaded rod (902), a servo motor (905) is fixedly installed on the movable plate (4), a gear (906) is fixed on a driving shaft of the servo motor (905), the outer side wall of the threaded cylinder (904) is provided with tooth marks (907) identical to the outer surface of the gear (906), the gear (906) and the tooth marks (907) are in transmission connection through a tooth belt (908), and the servo motor (905) is electrically connected with the control panel (6).

5. An insulation thickness measuring apparatus for electric power cable according to claim 4, characterized in that: the movable plate (4) is connected with four slide bars (10) which are distributed in a rectangular array in a sliding mode, and the lower ends of the slide bars (10) are fixedly connected with the pressing plate (901).

6. An insulation thickness measuring apparatus for electric power cable according to claim 1, characterized in that: the upper surface of bottom plate (1) is fixed with hardboard (14), the opening with mounting groove (12) looks adaptation is seted up to the inboard of hardboard (14), antiskid line (15) have been seted up on hardboard (14).