CN220593633U - Touching cable tapping device is prevented to transformer substation's cable pit - Google Patents

Abstract

The utility model provides a transformer substation cable pit touch-proof cable tapping device, which comprises a drilling device body, wherein a detection device is arranged on one side of a drill bit of the drilling device body, the detection device is electrically connected with a power control switch of the drilling device body, the detection device can detect metal or electrified cables in a wall body at a tapping position, the detection device sends out early warning prompts after detecting the metal or the electrified cables and transmits signals of the detected metal or the electrified cables to a power control switch, the power control switch cuts off the power supply of the drilling device body after receiving detection signals of the detection device, the drilling is stopped, the occurrence of accidents that a drill bit damages a hidden cable in the wall body is avoided, the detection device and the drilling device body are integrally arranged, forced detection of the drilling position can be achieved, the detection of omission and deviation between the detection position and the drilling position is avoided, and the safety and convenience of the drilling operation are improved.

Description

Touching cable tapping device is prevented to transformer substation's cable pit

Technical Field

The utility model relates to the technical field of cable trench tapping, in particular to a touch-proof cable tapping device for a cable trench of a transformer substation.

Background

The cable trench is an underground special channel for laying and replacing electric power or telecommunication cable facilities, the environment in the cable trench is closely related to the safe operation and fault damage degree of the cable, the cable in the cable trench is protected from being damaged, and the cable trench is very important for the safe operation of a transformer substation.

With the operation and the extension of power equipment, more and more cables need to be newly laid in a cable pit, especially in old cable pit with longer operation time, the new and old cables are intricate and complex, some hidden wire cables are also arranged in the wall of the cable pit in a penetrating way or are pre-buried, when the new cables are laid, the operation of opening holes is often required on the wall of the cable pit according to the laying requirements, but whether the hidden wire cables are arranged in the wall surface at the opening holes cannot be determined due to the fact that the hidden wire cables are not easy to observe or confirm in the wall surface at the opening holes, and if the hidden wire cables in the wall body are damaged due to blind opening, serious people can cause the tripping of equipment due to cable short circuit.

To the technical problem, at present, when a new cable is laid, a worker is generally required to hold a detection device, such as a metal detector or an induction type test pencil and other tools to detect the punching position so as to avoid the occurrence of the accidents, but because the handheld detection mode is flexible, the forced detection of each punching position cannot be realized, the detection of the punching position is easy to be omitted, moreover, deviation is easy to occur between the detection position and the punching position, a certain accident occurrence risk exists, and the operation is not convenient enough.

Disclosure of Invention

In view of the foregoing, it is desirable to provide a device for preventing a cable trench of a substation from touching a cable opening, which is convenient to detect and avoids damaging a hidden cable in a wall.

The utility model provides a touching cable trompil device is prevented to cable pit of transformer substation, includes the drilling equipment body, drill bit one side of drilling equipment body is provided with detection device, detection device and the power control switch electric connection of drilling equipment body, detection device can detect metal or electrified cable in the wall body of trompil position, detection device sends the early warning suggestion after detecting metal or electrified cable to give power control switch with the signal transmission of detected metal or electrified cable, after power control switch received detection device's detection signal, the power of disconnection drilling equipment body.

Preferably, the detection device is a metal detector or an electrified detector.

Preferably, the detecting device comprises a metal detector and an electrified detector, the metal detector and the electrified detector are respectively arranged on two sides of a drill bit of the drilling device body, the metal detector and the electrified detector are respectively electrically connected with a power control switch of the drilling device body, the metal detector and the electrified detector can detect metal and electrified cables at the position of an opening, the metal detector or the electrified detector can send out early warning prompts after detecting the metal or the electrified cables, signals of the detected metal or electrified cables are transmitted to the power control switch, and the power control switch cuts off the power supply of the drilling device body after receiving detection signals of the metal detector or the electrified detector.

Preferably, the telescopic fixing device comprises a supporting arm, two telescopic shafts, a bottom plate and a top plate, wherein the two telescopic shafts are respectively arranged at the upper end and the lower end of the supporting arm, the bottom plate and the top plate are respectively arranged at the top and the bottom of the two telescopic shafts, the drilling device body is arranged on the supporting arm, the lengths of the two telescopic shafts are adjusted, the bottom plate and the top plate can be respectively propped against the bottom wall and the top wall in the cable trench, and the supporting arm is fixed.

Preferably, an auxiliary fixing frame is arranged on the top plate, one end of the auxiliary fixing frame is hinged with the top plate, and the other end of the auxiliary fixing frame can be folded along the top plate or stretched to the side wall of any side of the cable duct and can be fixed with the wall of the cable duct.

Preferably, the auxiliary fixing frame comprises a telescopic arm and a fixing arm, one end of the fixing arm is hinged to the top plate, the other end of the fixing arm can rotate along the top plate, the telescopic arm is sleeved with the fixing arm, the fixing arm is far away from one end of the top plate, the fixing arm can stretch out and draw back, a fastening bolt is arranged on the fixing arm, the fastening bolt can lock the stretching length of the telescopic arm, the end part of the telescopic arm far away from the top plate is provided with an auxiliary hanging plate protruding downwards, and the auxiliary hanging plate can be hooked on a cable duct wall to assist the supporting arm to fix.

Preferably, the auxiliary hanging plate is a U-shaped structure plate body with a downward opening.

Preferably, the support arm is further provided with a cross-shaped movable adjusting device, the movable adjusting device comprises a vertical adjusting piece and a transverse adjusting piece, the transverse adjusting piece is transversely installed on the support arm, a transverse moving rail is arranged on the transverse adjusting piece, the vertical adjusting piece is installed on the transverse moving rail and can transversely move along the transverse moving rail, the vertical adjusting piece is provided with a vertical moving rail, the vertical moving rail is provided with a sliding connecting piece, and the drilling device body is installed on the sliding connecting piece and vertically moves on the vertical moving rail through the sliding connecting piece.

Preferably, the vertical moving track and the transverse moving track are respectively provided with a limiting retainer, and the limiting retainers can fix the positions of the vertical adjusting piece and the drilling device body.

Preferably, the lower extreme of drilling equipment body still is provided with auxiliary stay frame, auxiliary stay frame includes chassis, roof-rack and altitude mixture control pole, the vertical top at the chassis of installing of altitude mixture control pole to with chassis threaded connection, the roof-rack is rotatable to be installed at the top of altitude mixture control pole, rotates the altitude mixture control pole and can go up and down to adjust the roof-rack, so that the roof-rack can support in the bottom of drilling equipment body, carries out auxiliary stay to the drilling equipment body.

The utility model adopts the technical proposal and has the beneficial effects that: through being provided with detection device in drill bit one side of drilling equipment body, detection device and drilling equipment body's power control switch electric connection, when carrying out the trompil, detection device can detect whether there is metal or electrified cable in the wall body of trompil position, if there is metal or electrified cable in the wall body of detecting the trompil position, can send early warning suggestion and send the signal of telecommunication to power control switch, power control switch can break off drilling equipment body's power, stop the emergence of the accident of hidden line cable in avoiding the drill bit to damage the wall body, detection device and drilling equipment body an organic whole set up, can play and carry out mandatory detection to the position of punching, avoid detecting the hourglass and detecting position and the position of punching and appear the deviation, the security and the convenience of punching operation have been improved.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic structural view of the movement adjusting device.

FIG. 3 is a schematic structural diagram of another preferred embodiment of the present utility model.

Fig. 4 is a schematic view of the auxiliary hanging board structure.

In the figure: drilling device body 10, drill bit 11, power control switch 12, metal detector 13, live detector 14, power start switch 15, telescopic fixture 20, support arm 201, telescopic shaft 202, bottom plate 203, top plate 204, locking bolt 205, auxiliary fixing frame 50, telescopic arm 501, fixing arm 502, fastening bolt 503, auxiliary hanging plate 504, movement adjusting device 30, lateral adjusting piece 301, vertical adjusting piece 302, lateral moving rail 303, vertical moving rail 304, limit stopper 305, sliding connecting piece 306, auxiliary supporting frame 40, bottom frame 401, top frame 402, and height adjusting lever 403.

Detailed Description

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Referring to fig. 1, an embodiment of the utility model provides a transformer substation cable pit touch-proof cable tapping device, which comprises a drilling device body 10, wherein a detection device is arranged on one side of a drill bit 11 of the drilling device body 10 and is electrically connected with a power control switch 12 of the drilling device body 10, the detection device can detect metal or electrified cables in a wall body at a tapping position, the detection device sends out an early warning prompt after detecting the metal or the electrified cables and transmits a signal of the detected metal or electrified cables to the power control switch 12, and the power control switch 12 cuts off a power supply of the drilling device body 10 after receiving a detection signal of the detection device.

Specifically, the drilling device body 10 is a telescopic electric perforating machine, the detecting device is a metal detector 13 or a live detector 14, an audible and visual alarm is built in, the detecting device is arranged on one side of a drill bit 11 of the drilling device body 10, the detecting device can detect whether metal or live lines exist in a wall of a perforating position, the detecting device is electrically connected with a power supply control switch 12 for controlling the drilling device body 10, the power supply start switch 15 is electrically connected with the drilling device body 10 and the detecting device for controlling the starting of the drilling device body 10 and the detecting device, the power supply control switch 12 is a normally closed switch, the detecting device is installed in a power supply loop of the drilling device body 10, if the detecting device does not detect metal or live lines, the detecting device does not generate an electric signal, the power supply control switch 12 keeps the power supply loop of the drilling device body 10 on, if the detecting device detects metal or live lines in the wall of the perforating position, the detecting device sends an audible and visual alarm through the audible and visual alarm or visual alarm to the control switch 10 after the detecting device detects the metal or live lines in the wall of the perforating position, the power supply loop of the drilling device sends an early warning signal to the power supply loop to the drilling device, and the power supply loop is stopped when the perforating device is in line with the power supply loop of the drilling position, and the power supply loop is disconnected, and the power supply loop is detected when the perforating condition is met, and the power supply loop is detected. In this embodiment, the electrification detector 14 is an induction type test pencil capable of giving an audible and visual alarm.

Referring to fig. 1, in order to improve the detection performance, in the above embodiment, the metal detector 13 and the charged detector 14 may be respectively disposed on two sides of the drill bit 11 of the drilling device body 10, the metal detector 13 and the charged detector 14 are respectively electrically connected with the power control switch 12 of the drilling device body 10, the metal detector 13 and the charged detector 14 can detect the metal or the charged cable at the hole location at the same time, when the metal detector 13 or the charged detector 14 detects the metal or the charged cable, the metal detector 13 or the charged detector 14 can send an early warning prompt, and can send an electrical signal to the power control switch 12 separately, and after receiving the electrical signal of any one of the metal detector 13 or the charged detector 14, the power control switch 12 all acts to disconnect the power circuit, cut off the power of the drilling device body 10, and stop the punching operation of the drilling device body 10.

Referring to fig. 1 or 3, further, the anti-touch cable tapping device for a cable pit of a transformer substation further comprises a telescopic fixing device 20, the telescopic fixing device 20 is movably installed in the cable pit and used for supporting and fixing the body 10 of the drilling device, the telescopic fixing device 20 can be installed according to punching positions, the telescopic fixing device 20 comprises two groups of supporting arms 201, telescopic shafts 202, a bottom plate 203 and a top plate 204, the two groups of telescopic shafts 202 are respectively arranged at the upper end and the lower end of the supporting arms 201, the bottom plate 203 and the top plate 204 are respectively arranged at the top and the bottom of the two groups of telescopic shafts 202, the telescopic fixing device 20 is vertically installed, the lengths of the two groups of telescopic shafts 202 are adjusted, the bottom plate 203 and the top plate 204 can be respectively propped against the bottom wall and the top wall in the cable pit, the supporting arms 201 are fixed, the telescopic shafts 202 are selected as screws, the screws are screwed with the supporting arms 201, the telescopic lengths of the screws are adjusted, the bottom plate 203 and the top plate 204 are respectively propped against the bottom wall and the top wall in the cable pit, the supporting arms 201 are fixed, the drilling device body 10 is transversely installed at one side of the supporting arms 201, and the supporting arms 201 are supported by the supporting arms 201, so that punching operation is convenient. In this embodiment, the telescopic shaft 202 may also be fixed to the bottom plate 203 and the top plate 204 by using telescopic cylinders.

With continued reference to fig. 1 or fig. 3, further, an auxiliary fixing frame 50 is provided on the top plate 204, one end of the auxiliary fixing frame 50 is hinged to the top plate 204, and the other end of the auxiliary fixing frame 50 can be folded along the top plate 204 or stretched towards a side wall of any side of the cable duct, and can be fixed with the side wall of the cable duct for auxiliary fixing, when the cable duct is opened below the cover plate at the punching position, if the punching position is located below the cover plate when the cable duct is opened during punching, the auxiliary fixing frame 50 can be unfolded, and one end of the auxiliary fixing frame 50 extends to a wall of the cable duct in the punching direction, or a wall opposite to the punching direction is fixed with the wall, so that the auxiliary supporting arm 201 is fixed, and the auxiliary fixing frame plays a role of a fixing device. So that the drilling device body 10 performs the punching operation. The auxiliary fixing frame 50 has the specific structure that: including flexible arm 501 and fixed arm 502, the one end and the roof 204 of fixed arm 502 are articulated, and the other end can rotate to cable pit wall direction along roof 204, the one end that roof 204 was kept away from at fixed arm 502 is established to flexible arm 501 cover, and can stretch out and draw back along fixed arm 502, is provided with fastening bolt 503 on fixed arm 502, fastening bolt 503 can lock the flexible length of flexible arm 501, is provided with the supplementary link plate 504 of downward bulge in the tip that roof 204 was kept away from to flexible arm 501, supplementary link plate 504 can be hooked on the cable pit wall to supplementary support arm 201 is fixed. Referring to fig. 4, in this embodiment, the auxiliary hanging plate 504 may also be designed as a U-shaped plate body with a downward opening, and in use, the auxiliary hanging plate 504 of the U-shaped plate body may be clamped on a wall of the cable trench to assist in fixing the supporting arm 201.

Referring to fig. 1 and 2, further, in order to facilitate adjusting the punching position of the drilling device body 10, a cross-shaped moving adjusting device 30 is further provided on the supporting arm 201, the moving adjusting device 30 includes a transverse adjusting member 301 and a vertical adjusting member 302, the transverse adjusting member 301 is transversely installed on the supporting arm 201 and is fixed by providing a locking bolt 205 on the supporting arm 201, a transverse moving rail 303 is provided on the transverse adjusting member 301, the vertical adjusting member 302 is installed on the transverse moving rail 303 and is perpendicular to the vertical adjusting member 302, so as to form a cross-shaped structure, the transverse adjusting member 301 can move transversely along the transverse moving rail 303, a vertical moving rail 304 is provided on the vertical adjusting member 302, a sliding connecting member 306 is provided on the vertical moving rail 304, and the drilling device body 10 is installed on the sliding connecting member 306 and performs a vertical moving position on the vertical moving rail 304 through the sliding connecting member 306. The vertical moving rail 304 and the horizontal moving rail 303 are respectively provided with a limiting retainer 305, and the limiting retainers 305 are locking bolts and can fix the positions of the vertical adjusting piece 302 and the sliding connecting piece 306. When the punching position is adjusted leftwards or rightwards, the limiting stopper 305 on the transverse moving rail 303 is loosened, the drilling device body 10 and the vertical adjusting piece 302 are pulled to move leftwards or rightwards along the transverse moving rail 303 on the transverse adjusting piece 301, when the punching position is adjusted upwards or downwards, the limiting stopper 305 on the vertical moving rail 304 is loosened, the drilling device body 10 is pulled to move upwards or downwards along the vertical moving rail 304 on the vertical adjusting piece 302, and after the punching position is determined, the drilling device body is fastened through the limiting stopper 305.

Referring to fig. 3, in another preferred embodiment, an auxiliary supporting frame 40 is further disposed at the lower end of the drilling device body 10, the auxiliary supporting frame 40 includes a bottom frame 401, a top frame 402 and a height adjusting rod 403, the height adjusting rod 403 is vertically mounted at the top of the bottom frame 401 and is in threaded connection with the bottom frame 401, the top frame 402 is rotatably mounted at the top of the height adjusting rod 403, and the top frame 402 can be lifted and lowered by rotating the height adjusting rod 403, so that the top frame 402 can be abutted against the bottom of the drilling device body 10, and the drilling device body 10 is supported in an auxiliary manner. Through the height of adjusting the height adjusting rod 403, the height of the drilling device body 10 can be adjusted, the auxiliary supporting frame 40 and the drilling device body 10 can be independently matched for use, and the auxiliary supporting frame and the telescopic fixing device 20 can be simultaneously matched for use, so that the stability of the drilling device body 10 in the punching process is improved.

When the device is specifically used, firstly, the drilling device body 10 is installed on the telescopic fixing device 20, the drill bit 11 of the drilling device body 10 is propped against the wall to be perforated, the telescopic shaft 202 of the telescopic fixing device 20 is adjusted, the bottom plate 203 and the top plate 204 are respectively propped against the bottom wall and the top wall in the cable trench to fix, if the perforation position is located below the opened cover plate of the cable trench, the auxiliary fixing frame 50 can be unfolded when the top plate 204 has no force point, the auxiliary hanging plate 504 extends to the wall of the cable trench in the perforation direction, or the wall opposite to the perforation direction is clamped on the wall to be transversely supported and fixed, after the perforation position is adjusted, the auxiliary supporting frame 40 is placed at the lower end of the drilling device body 10, the auxiliary supporting frame 40 is adjusted to prop against the lower end of the auxiliary supporting frame 40, the auxiliary fixing effect is achieved, the stability of the drilling device body 10 in the perforation process is improved, the drilling device body 10 is prevented from being shifted, after the fixation is completed, the detection device is started to detect the perforation position, if the detection device does not react, the perforation position is safe, the detection device can detect the wall in the perforation position, the electric signal is stretched to the cable trench in the perforation direction, or the wall opposite to the perforation direction is opposite to the perforation direction, the wall is blocked, the electric signal is prevented from being damaged, the sound and the power supply is controlled by the sound and the sound is started, and the sound is the sound and the sound is the sound and the power is the sound and the sound.

The foregoing disclosure is illustrative of the preferred embodiments of the present utility model, and is not to be construed as limiting the scope of the utility model, as it is understood by those skilled in the art that all or part of the above-described embodiments may be practiced with equivalents thereof, which fall within the scope of the utility model as defined by the appended claims.

Claims (10)

1. The utility model provides a touching cable trompil device is prevented to transformer substation's cable pit, includes drilling equipment body, its characterized in that: the drilling device comprises a drilling device body, and is characterized in that a detection device is arranged on one side of a drill bit of the drilling device body and is electrically connected with a power control switch of the drilling device body, the detection device can detect metal or electrified cables in a wall body with holes, the detection device sends out early warning prompts after detecting the metal or the electrified cables and transmits signals of the detected metal or electrified cables to the power control switch, and the power control switch cuts off the power supply of the drilling device body after receiving detection signals of the detection device.

2. The substation cable pit touch-proof cable opening device of claim 1, wherein: the detection device is a metal detector or an electrified detector.

3. The substation cable pit touch-proof cable opening device of claim 1, wherein: the detection device comprises a metal detector and an electrified detector, wherein the metal detector and the electrified detector are respectively arranged on two sides of a drill bit of the drilling device body, the metal detector and the electrified detector are respectively electrically connected with a power control switch of the drilling device body, the metal detector and the electrified detector can detect metal and electrified cables at the position of an opening hole, the metal detector or the electrified detector sends out an early warning prompt after detecting the metal or the electrified cables, signals of the detected metal or the electrified cables are transmitted to the power control switch, and the power control switch cuts off the power supply of the drilling device body after receiving detection signals of the metal detector or the electrified detector.

4. The substation cable pit touch-proof cable opening device of claim 1, wherein: still include telescopic fixing device, telescopic fixing device includes support arm, telescopic shaft, bottom plate and roof, the telescopic shaft is two sets of, sets up the upper end and the lower extreme at the support arm respectively, bottom plate and roof set up the top and the bottom at two sets of telescopic shaft respectively, drilling equipment body is installed on the support arm, adjusts the length of two sets of telescopic shafts, can make bottom plate and roof top respectively on diapire and the roof in the cable pit, fixes the support arm.

5. The substation cable pit touch-proof cable opening device of claim 4, wherein: be provided with auxiliary fixing frame on the roof, auxiliary fixing frame's one end is articulated with the roof, and the other end can fold or extend to the lateral wall of arbitrary one side of cable pit along the roof to can fix with the wall of cable pit.

6. The substation cable pit touch-proof cable opening device of claim 5, wherein: the auxiliary fixing frame comprises a telescopic arm and a fixing arm, one end of the fixing arm is hinged to the top plate, the other end of the fixing arm can rotate along the top plate, the telescopic arm is sleeved with the fixing arm, the fixing arm is arranged at one end far away from the top plate, the fixing arm can stretch out and draw back, a fastening bolt is arranged on the fixing arm, the fastening bolt can lock the stretching length of the telescopic arm, the end, far away from the top plate, of the telescopic arm is provided with an auxiliary hanging plate protruding downwards, and the auxiliary hanging plate can be hooked on a cable duct wall to assist the supporting arm to fix.

7. The substation cable pit touch-proof cable opening device of claim 6, wherein: the auxiliary hanging plate is a U-shaped structure plate body with a downward opening.

8. The substation cable pit touch-proof cable opening device of claim 4, wherein: still be provided with cross type on the support arm and remove adjusting device, remove adjusting device and include vertical regulating part and horizontal regulating part, horizontal regulating part is transversely installed on the support arm, is provided with the lateral shifting track on horizontal regulating part, vertical regulating part is installed on the lateral shifting track to along the lateral shifting track can the lateral shifting position, be provided with vertical shifting track on the vertical regulating part, be provided with sliding connection spare on the vertical shifting track, drilling equipment body is installed on sliding connection spare to carry out vertical shifting position on vertical shifting track through sliding connection spare.

9. The substation cable pit touch-proof cable opening device of claim 8, wherein: the vertical moving track and the transverse moving track are respectively provided with a limiting retainer, and the limiting retainers can fix the positions of the vertical adjusting piece and the drilling device body.

10. The substation cable pit touch-proof cable opening device of claim 1 or 9, wherein: the lower extreme of drilling equipment body still is provided with auxiliary stay frame, auxiliary stay frame includes chassis, roof-rack and altitude mixture control pole, the vertical top at the chassis of installing of altitude mixture control pole to with chassis threaded connection, the roof-rack is rotatable to be installed at the top of altitude mixture control pole, rotates the altitude mixture control pole and can go on lifting adjustment to the roof-rack, so that the roof-rack can support in the bottom of drilling equipment body, carries out auxiliary stay to the drilling equipment body.