CN114951743A - Uninterrupted outer box drilling equipment for electric power cabinet - Google Patents

Abstract

The invention discloses an uninterrupted outer box drilling device for an electric power cabinet, which comprises: the rotary drill comprises a rotary shaft, the rotary shaft comprises a connecting end and a working end, the working end of the rotary shaft is sleeved with a cutting ring, sawteeth are arranged on one side, back to the connecting end of the rotary shaft, of the cutting ring, a sliding groove is formed in one end, close to the cutting ring, of the rotary shaft, a sliding shaft is connected in the sliding groove in a sliding mode, a spring is arranged in the sliding groove, and a magnet is arranged at one end, far away from the spring, of the sliding shaft; the driving device is connected with the connecting end of the rotating shaft and is used for driving the drill bit to rotate; the sucking disc sets up in one side that drive arrangement is close to the drill bit, and the sucking disc passes through telescopic link and drive arrangement. Compared with the prior art, the drilling equipment for the uninterruptible outer box of the power cabinet, provided by the invention, has the following beneficial effects: 1. the outer box body is cut, and then the sensor is installed on the outer box body, and power failure is not needed.

Description

Uninterrupted outer box drilling equipment for electric power cabinet

Technical Field

The invention relates to the technical field of live-line work, in particular to drilling equipment for an uninterruptible outer box of an electric cabinet.

Background

When the electric power cabinet body is used, the temperature sensor and the humidity sensor are required to be installed inside the electric power cabinet body so as to monitor the temperature and the humidity inside the electric power cabinet body. The existing installation technology influences the electricity utilization of users.

Disclosure of Invention

The invention provides an outer box drilling device for the uninterrupted power supply of an electric power cabinet, aiming at solving the defects in the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme:

an outer box drilling equipment of power cabinet body not cutting off power supply includes: the rotary cutting machine comprises a drill bit, a driving device and a sucker, wherein the drill bit comprises a rotating shaft, the rotating shaft comprises a connecting end and a working end, a cutting ring is sleeved at the working end of the rotating shaft, sawteeth for cutting an outer box body are arranged on one side of the cutting ring, which is opposite to the connecting end of the rotating shaft, and are arranged along the circumferential direction of the cutting ring; the driving device is connected with the connecting end of the rotating shaft and is used for driving the drill bit to rotate; the sucking disc sets up in one side that drive arrangement is close to the drill bit, and the sucking disc passes through telescopic link and drive arrangement.

Furthermore, the sliding shaft is provided with a limiting groove, the extending direction of the limiting groove is consistent with the extending direction of the rotating shaft, the rotating shaft is in threaded connection with a limiting bolt, and at least part of the limiting bolt is arranged in the limiting groove.

Furthermore, one end of the sliding shaft, which is far away from the spring, is provided with a bearing, the bearing comprises an inner ring and an outer ring, the inner ring is sleeved on the sliding shaft and is abutted to the sliding shaft, the magnet is provided with one side, which is far away from the spring, of the bearing, the end, which is far away from the spring, of the sliding shaft is provided with a limiting sleeve, the bearing and the magnet are arranged in the limiting sleeve, and the outer ring is abutted to the limiting sleeve.

Further, the magnet is at least partially disposed outside the cutting ring.

Furthermore, the sawtooth comprises a scraping surface and an inclined surface, the scraping surface and the inclined surface are obliquely intersected and are arranged at intervals along the circumferential direction of the cutting ring, the scraping surface extends along the axial direction of the cutting ring, one end, away from the connecting end, of the scraping surface and the inclined surface are intersected to form a tooth point, a first surface is arranged on the outer side of the tooth point and extends along the axial direction of the cutting ring, the distance from the first surface to the axial line of the cutting ring is a, a second surface is arranged on the outer side of the cutting ring, the distance from the second surface to the axial line of the cutting ring is b, a is smaller than b, a transition surface is arranged on the outer side of the sawtooth, the first surface is transited to the second surface through the transition surface, the wall thickness of the outer box body is t, the length of the first surface in the axial direction of the cutting ring is c, the t is smaller than or equal to c, the length of the transition surface in the axial direction of the cutting ring is d, the sum of c and d is f, and f is smaller than e.

Further, the difference between b and a is not less than 0.3mm and not more than 0.6 mm.

Compared with the prior art, the drilling equipment for the uninterruptible outer box of the power cabinet, provided by the invention, has the following beneficial effects: 1. the outer box body is cut, and then the sensor is installed on the outer box body without power failure; 2. the cutting piece generated during cutting is taken out of the electric cabinet body, so that the cutting piece is prevented from falling into the electric cabinet body to influence the work of an electric appliance element; 3. the drill bit has the reaming function and is convenient for taking out the cutting blade.

Drawings

Fig. 1 is a schematic diagram of an embodiment of the present application.

FIG. 2 is a schematic view of a drill bit of an embodiment of the present application.

Fig. 3 is a cross-sectional view a-a of fig. 2 of an embodiment of the present application.

Fig. 4 is a schematic view that outer box adsorbs on the stop collar of the embodiment of this application.

Fig. 5 is a schematic view of a drill bit of an embodiment of the present application drilling through an outer box.

FIG. 6 is a schematic view of hole enlargement according to an embodiment of the present application.

Fig. 7 is a schematic view of a cutting blade of an embodiment of the present application being removed.

In the figure: the drill bit 11, the rotating shaft 111, the connecting end 1111, the working end 1112, the cutting ring 1113, the sawtooth 11131, the scraping surface 11132, the inclined surface 11133, the tooth tip 11134, the first surface 11135, the second surface 11136, the transition surface 11137, the sliding groove 1114, the sliding shaft 1114a, the spring 1114b, the magnet 1114c, the limit groove 1114d, the bearing 1114e, the inner ring 1114f, the outer ring 1114g, the limit sleeve 1114h, the limit bolt 1115, the driving device 12, the suction cup 13, the telescopic rod 131 and the outer box 21.

Detailed Description

The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.

Referring to fig. 1 to 7, an uninterruptible outer box 21 drilling device for an electric cabinet comprises a drill bit 11, a driving device 12 and a suction cup 13: the drill 11 includes the pivot 111, the pivot 111 includes link 1111 and work end 1112, the work end 1112 cover of pivot 111 is equipped with the cutting ring 1113, one side that the link 1111 of pivot 111 is dorsad to the cutting ring 1113 is provided with the sawtooth 11131 that is used for cutting outer box 21, sawtooth 11131 arranges along the circumference of cutting ring 1113, cutting ring 1113 and pivot 111 fixed connection, the one end that the pivot 111 is close to cutting ring 1113 is provided with spout 1114, sliding connection has sliding shaft 1114a in the spout 1114, be provided with spring 1114b in the spout 1114, the one end of spring 1114b and the tank bottom of spout 1114 are connected, the other end and the sliding shaft 1114a of spring 1114b are connected, the one end that spring 1114b was kept away from to sliding shaft 1114a is provided with magnet 1114 c. The driving device 12 is connected with the connecting end 1111 of the rotating shaft 111 and is used for driving the drill bit 11 to rotate; the suction cup 13 is arranged on one side of the driving device 12 close to the drill bit 11, and the suction cup 13 passes through the telescopic rod 131 and the driving device 12.

The sliding shaft 1114a is provided with a limit groove 1114d, the extending direction of the limit groove 1114d is consistent with the extending direction of the rotating shaft 111, a limit bolt 1115 is connected to the rotating shaft 111 in a threaded mode, and at least part of the limit bolt 1115 is arranged in the limit groove 1114 d.

The end cover that the slip axle 1114a kept away from spring 1114b is equipped with bearing 1114e, bearing 1114e includes inner circle 1114f and outer lane 1114g, inner circle 1114f overlaps on slip axle 1114a and with slip axle 1114a butt, magnet 1114c is provided with the one side that spring 1114b was kept away from to bearing 1114e, the one end that spring 1114b was kept away from to slip axle 1114a is provided with stop collar 1114h, bearing 1114e and magnet 1114c set up in stop collar 1114h, outer lane 1114g and stop collar 1114h butt. The magnet 1114c is disposed at least partially outside the ring cutter 1113.

The sawtooth 11131 comprises scraping surfaces 11132 and inclined surfaces 11133, the scraping surfaces 11132 and the inclined surfaces 11133 intersect obliquely and are arranged at intervals along the circumferential direction of the ring cutter 1113, the scraping surfaces 11132 extend along the axial direction of the ring cutter 1113, one end of the scraping surfaces 11132 far away from the connecting end 1111 and the inclined surfaces 11133 intersect to form tooth tips 11134, the outer side of the tooth tips 11134 is provided with a first surface 11135, the first surface 11135 extends along the axial direction of the ring cutter 1113, the distance from the first surface 11135 to the axial line of the ring cutter 1113 is a, the outer side of the ring cutter 1113 is provided with a second surface 11136, the distance from the second surface 11136 to the axial line of the ring cutter 1113 is b, a is smaller than b, the outer side of the sawtooth 11131 is provided with transition surfaces 11137, the first surface 11135 transitions to the second surface 11136 through the transition surfaces 11137, the wall thickness of the outer box body 21 is t, the length of the first surface 11135 in the axial direction of the ring cutter 1113 is c, t is smaller than or equal to c, the wall thickness of the transition surfaces 11137 in the axial direction of the ring cutter 1113, the length of the scraping surfaces 11132 in the axial direction of the ring cutter 1113 is equal to be equal to a length of the axial direction, the sum of c and d is f, f being smaller than e. The difference between b and a is greater than or equal to 0.3mm and less than or equal to 0.6 mm.

Principle of embodiment:

when temperature sensor or humidity transducer need be installed, only need bore a hole on outer box 21, then stretch into the internal temperature and humidity to the electric power cabinet with temperature sensor and humidity transducer's probe from the hole and detect, thereby fix temperature sensor and humidity transducer on outer box 21 at last can, whole process need not to cut off the power supply, reduces the influence to the user.

Specifically, the suction cup 13 is firstly sucked on the outer wall of the outer box 21, the driving device 12 can be set to be a motor, the telescopic rod 131 is extended, the magnet 1114c moves towards the outer box 21 until the limit sleeve 1114h abuts against the outer box 21, and the outer box 21 is sucked on the limit sleeve 1114h under the action of the magnet 1114c, which is shown in fig. 4. Then the driving device 12 is operated, the bit 11 rotates to push the driving device 12, the saw teeth 11131 move towards the outer box 21 while rotating, the magnet 1114c does not rotate under the action of the bearing 1114e, the scraping surface 11132 rotates to cut the side wall of the outer box 21 and drill through the side wall of the outer box 21 to form a hole. Since t is equal to or less than c, when the side wall of the outer case 21 is drilled through, the inner wall of the hole abuts against the first surface 11135, and the drill 11 cuts a circular cutting blade on the side wall of the outer case 21, and the cutting blade is attracted by the magnet 1114c, see fig. 5. Further pushing on the driving device 12, the hole moves to the second surface 11136 under the action of the transition surface 11137. In this process, the scraping surface 11132 expands the inner diameter of the bore, see FIG. 6. Then, the driving device 12 is stopped and the driving device 12 is pulled outwards, and the cutting blade is taken out of the electric cabinet body, so that the cutting blade is prevented from influencing the operation of the electric elements in the electric cabinet body, and the cutting blade is shown in fig. 7.

It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.

Claims (6)

1. The utility model provides an outer box drilling equipment of uninterrupted power supply of electric power cabinet body which characterized in that includes:

the drill bit comprises a rotating shaft, the rotating shaft comprises a connecting end and a working end, a cutting ring is sleeved at the working end of the rotating shaft, sawteeth for cutting an outer box body are arranged on one side, opposite to the connecting end of the rotating shaft, of the cutting ring, the sawteeth are arranged along the circumferential direction of the cutting ring, the cutting ring is fixedly connected with the rotating shaft, a sliding groove is formed in one end, close to the cutting ring, of the rotating shaft, a sliding shaft is connected in the sliding groove in a sliding mode, a spring is arranged in the sliding groove, one end of the spring is connected with the groove bottom of the sliding groove, the other end of the spring is connected with the sliding shaft, and a magnet is arranged at one end, away from the spring, of the sliding shaft;

the driving device is connected with the connecting end of the rotating shaft and is used for driving the drill bit to rotate;

a suction cup; the sucking disc sets up drive arrangement is close to one side of drill bit, the sucking disc pass through the telescopic link with drive arrangement.

2. The uninterrupted drilling equipment for the outer box of the power cabinet according to claim 1, wherein the sliding shaft is provided with a limiting groove, the extending direction of the limiting groove is consistent with the extending direction of the rotating shaft, the rotating shaft is in threaded connection with a limiting bolt, and the limiting bolt is at least partially arranged in the limiting groove.

3. The uninterruptible power supply outer box drilling equipment for the electric power cabinet according to claim 2, wherein an end of the sliding shaft, which is far away from the spring, is provided with a bearing, the bearing includes an inner ring and an outer ring, the inner ring is sleeved on the sliding shaft and is abutted against the sliding shaft, the magnet is provided with a side, which is far away from the spring, of the bearing, an end of the sliding shaft, which is far away from the spring, is provided with a limit sleeve, the bearing and the magnet are arranged in the limit sleeve, and the outer ring is abutted against the limit sleeve.

4. The uninterruptible power supply outer box drilling equipment for an electric power cabinet according to claim 1, 2 or 3, wherein the magnet is at least partially disposed outside the cutting ring.

5. The uninterruptible outer box drilling equipment for an electric power cabinet according to claim 3, wherein the sawtooth comprises a scraping surface and a slope surface, the scraping surface and the slope surface are obliquely intersected and are arranged at intervals along the circumferential direction of the cutting ring, the scraping surface extends along the axial direction of the cutting ring, one end, away from the connecting end, of the scraping surface and the slope surface are intersected to form a tooth point, a first surface is arranged on the outer side of the tooth point and extends along the axial direction of the cutting ring, the distance from the first surface to the axial line of the cutting ring is a, a second surface is arranged on the outer side of the cutting ring, the distance from the second surface to the axial line of the cutting ring is b, a is smaller than b, a transition surface is arranged on the outer side of the sawtooth, the first surface is transited to the second surface through the transition surface, the wall thickness of the outer box is t, the length of the first surface in the axial direction of the cutting ring is c, t is smaller than or equal to c, the length of the transition surface in the axial direction of the cutting ring is d, the length of the scraping surface in the axial direction of the cutting ring is e, the sum of c and d is f, and f is smaller than e.

6. The uninterrupted outer box drilling equipment for the electric power cabinet according to claim 5, wherein the difference between b and a is greater than or equal to 0.3mm and less than or equal to 0.6 mm.

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