CN111262164B - Opening tool for switch cabinet baffle - Google Patents

Abstract

The invention belongs to the technical field of electric power overhaul, and discloses an opening tool for a switch cabinet baffle. The opening tool includes: the output ends of the pair of pushing mechanisms are respectively provided with a push rod capable of propping against the pin rod; the adjusting mechanism is connected between the pair of push rods so as to adjust the distance between the pair of push rods; and a pair of electromagnets respectively connected to the bottoms of the pair of propulsion mechanisms so as to fix the pair of propulsion mechanisms to the switch cabinet when the power is supplied. The opening tool can be suitable for nuclear phase operation of switch cabinets with different sizes, and can be fixed to the switch cabinets without being continuously held by operators.

Description

Opening tool for switch cabinet baffle

Technical Field

The invention relates to the technical field of electric power overhaul, in particular to an opening tool for a switch cabinet baffle.

Background

The primary nuclear phase is an important checking link before the power supply switch cabinet is put into use, and aims to check the consistency of the bus and the line side phase in the switch cabinet so as to avoid causing interphase short circuit faults and ensure the power supply reliability.

At present, most 10KV switch cabinets used by most power companies are handcart type fully-sealed switch cabinets, when the switch cabinets are opened and pulled out, insulating baffles which are arranged in the switch cabinets and are linked with the handcart are closed along with the switch cabinets, and the baffles separate a breaker chamber, a bus chamber and a cable chamber of the switch cabinets, so that the safety of workers is ensured, namely, contacts of the switch cabinets are blocked, and nuclear phase cannot be carried out. For this reason, the nuclear phase operator needs to push the insulating shutter open with the insulating rod or push a pin rod linked with the insulating shutter so that the insulating shutter is kept open so as not to shield the contacts during the nuclear phase. This process requires a lot of time and labor, greatly reducing the working efficiency. In the process of pushing the insulating baffle by using the insulating rod, if the insulating work is not done in place or is slightly careless, the operator also has a great potential safety hazard problem.

In view of the above, in the prior art, a nuclear phase handcart has been used as a nuclear phase auxiliary tool, and specifically, the handcart is pushed to press a pin rod which is linked with the insulating barrier, so as to open the insulating barrier. However, the nuclear phase handcart has a fixed structure and can only be suitable for a single-size switch cabinet, and the width of the switch cabinet has multiple specifications such as 65cm and 85cm, so that nuclear phase personnel are required to be provided with a plurality of nuclear phase trolleys when carrying out nuclear phase operation on the switch cabinets with different specifications, and a plurality of inconveniences are brought to storage and use.

Disclosure of Invention

The invention aims to provide an opening tool for a switch cabinet baffle, which can be suitable for switch cabinets with different sizes, can be fixed on the switch cabinet and is convenient for operators to carry out nuclear phase operation.

To achieve the purpose, the invention adopts the following technical scheme:

an opening tool for a switch cabinet baffle, the switch cabinet having a pair of pins cooperating with the baffle, the pins being capable of driving the baffle to open when pushed, the opening tool comprising:

The output ends of the pair of pushing mechanisms are respectively provided with a push rod capable of propping against the pin rod;

the adjusting mechanism is connected between the pair of push rods so as to adjust the distance between the pair of push rods;

And a pair of electromagnets respectively connected to the bottoms of the pair of propulsion mechanisms so as to fix the pair of propulsion mechanisms to the switch cabinet when the power is supplied.

Preferably, the opening tool further comprises:

a main power supply connectable to a municipal power grid to supply power to the propulsion mechanism and/or the electromagnet;

And a storage battery which can supply power to the propulsion mechanism and/or the electromagnet when the main power supply is powered off.

Preferably, the propulsion mechanism includes:

a slide plate;

the sliding block is in sliding connection with the sliding plate and is used for fixing the push rod;

The screw rod is arranged in parallel with the sliding plate and is in threaded connection with the sliding block so as to drive the sliding block to move along the extending direction of the sliding plate when rotating;

And the motor is fixed at one end of the sliding plate and can drive the screw rod to rotate.

Preferably, the bottom of the sliding plate is provided with a plurality of first connecting holes for connecting the electromagnets, and the plurality of first connecting holes are distributed along the extending direction of the sliding plate.

Preferably, the push rod comprises a first plate and a second plate which are connected, the first plate is arranged in parallel with the sliding plate, one end of the first plate is detachably connected with the sliding block, the other end of the first plate is vertically connected with the second plate, the first plate is provided with a plurality of second connecting holes for connecting the sliding block, and the second connecting holes are distributed along the extending direction of the first plate.

Preferably, the second plate has a plurality of third connection holes for connecting the first plate, and the plurality of third connection holes are arranged along an extending direction of the second plate.

Preferably, the adjusting mechanism includes a third plate and a fourth plate, one ends of the third plate and the fourth plate are respectively fixed to a pair of push rods, a plurality of fourth connecting holes and a plurality of fifth connecting holes are respectively arranged on the third plate and the fourth plate along respective extending directions, and the fourth connecting holes and the fifth connecting holes are used for bolting the third plate and the fourth plate.

Preferably, the push rod and the adjusting mechanism are made of SMC materials.

Preferably, the opening tool further comprises a remote controller, and the remote controller is electrically connected with the propulsion mechanism and/or the electromagnet.

Preferably, the electromagnet is a sucker type electromagnet.

The invention has the beneficial effects that:

according to the opening tool provided by the embodiment, before maintenance operation, the distance between the pair of pushing mechanisms can be adjusted through the adjusting mechanism, the distance between the two pushing rods is adapted to the distance between the two pin rods in the maintenance switch cabinet, after adjustment is completed, power is supplied to the pair of electromagnets, the electromagnets are adsorbed to the inner wall of the switch cabinet, the pair of pushing mechanisms are fixed to the adjusted positions, namely, the opening tool is suitable for the switch cabinets with different sizes through the self structure of the opening tool, and convenience is provided for carrying, storing and the like of maintenance operators. After being fixed inside the switch cabinet, the opening tool can respectively push the two push rods through the two pushing mechanisms, and the push rods are kept to continuously press the two pin rods, so that the pin rods are kept to be pressed until the upper baffle plate and the lower baffle plate are opened, the baffle plates are opened by replacing operators, and potential safety hazards caused by the fact that the pin rods are not pressed manually are avoided.

Drawings

FIG. 1 is a schematic perspective view of an opener according to an embodiment of the present invention;

fig. 2 is a side view of an opener in an embodiment of the present invention.

In the figure:

1. A propulsion mechanism; 11. a slide plate; 12. a slide block; 13. a screw rod; 14. a motor;

2. an adjusting mechanism; 21. a third plate; 22. a fourth plate;

3. an electromagnet;

4. A push rod; 41. a first plate; 42. a second plate;

20. a second connection hole; 30. a third connection hole; 40. a fourth connection hole; 50. and a fifth connection hole.

Detailed Description

The invention is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present invention are shown in the drawings.

In the description of the present invention, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

The embodiment provides an opening tool of cubical switchboard baffle, this opening tool can be applied to electric power maintenance technical field to specifically can replace the maintainer to keep insulating baffle (the baffle is called under) in the cubical switchboard to open in the electric power maintenance process of handcart-type cubical switchboard (the cubical switchboard under), so that the maintainer carries out the equal maintenance operation content of a nuclear.

Specifically, the opener includes a pair of spaced-apart pusher mechanisms 1, an adjustment mechanism 2, and a pair of electromagnets 3. Wherein, the output ends of the pair of propulsion mechanisms 1 are respectively provided with a push rod 4 capable of pressing the pin rod; the adjusting mechanism 2 is connected between the pair of push rods 4 to adjust the distance between the pair of push rods 4; a pair of electromagnets 3 are connected to the bottoms of the pair of propulsion mechanisms 1, respectively, so as to be able to fix the pair of propulsion mechanisms 1 to the switchgear when energized.

As described above, the switch cabinet is generally provided with a pair of pins linked with the baffle plates, and the two pins are respectively linked with the two baffle plates which are matched and opened and closed at the lower part and the upper part, so that the contacts of the switch cabinet can be completely exposed only after the two pins are simultaneously pressed in place. The width of the switch cabinets with different sizes is also different, and the pin rods arranged in the switch cabinets are generally close to the two side walls of the switch cabinets, so that the distances between the two pin rods in the switch cabinets with different sizes are different.

Before maintenance operation is carried out on the opening tool provided by the embodiment, the distance between the pair of push rods 4 and the pushing mechanism 1 can be adjusted through the adjusting mechanism 2, so that the distance between the two push rods 4 is adapted to the distance between the two pin rods in the maintenance switch cabinet, after adjustment is completed, power is supplied to the pair of electromagnets 3, the electromagnets 3 are adsorbed onto the inner wall of the bottom of the switch cabinet, the pair of pushing mechanisms 1 are fixed to the adjusted positions, namely, the opening tool is suitable for the switch cabinets with different sizes through the self structure of the opening tool, and convenience is provided for carrying, storage and the like of maintenance operators.

After being fixed inside the switch cabinet, the opening tool can respectively push the two push rods 4 through the two pushing mechanisms 1, and the push rods 4 are kept to continuously press the two pin rods, so that the pin rods are kept to be pressed until the upper baffle plate and the lower baffle plate are opened, the baffle plates are opened by replacing operators, and potential safety hazards caused by the inability of manually pressing the pin rods are avoided.

In this embodiment, the propulsion mechanism 1 is preferably, but not limited to, an electric propulsion mechanism comprising a slide 11, a slide 12, a screw 13 and a motor 14. The slide plate 11 has a long plate shape. The slide block 12 is in sliding connection with the slide plate 11, and the slide block 12 is used for fixing the push rod 4. The screw rod 13 is disposed parallel to the slide plate 11 and is screw-coupled to the slider 12 to drive the slider 12 to move in the extending direction of the slide plate 11 when rotated. The motor 14 is fixed at one end of the sliding plate 11, and can drive the screw rod 13 to rotate, so that the sliding block 12 drives the push rod 4 to slide along the extending direction of the sliding plate 11, so that the push rod 4 can be pressed against the pin rod and the baffle plate can be opened after moving towards the pin rod, or the pin rod can be reset and the baffle plate can be closed after moving away from the pin rod.

Alternatively, the propulsion mechanism 1 may also be a hand-operated propulsion mechanism. For example, the hand-operated propulsion mechanism may be similar to the electric propulsion mechanism described above, except that a crank may be provided at the end of the screw 13 instead of the motor 14 to drive the screw 13 to rotate forward or backward by hand-operated means, thereby pushing or pulling back the push rod 4.

Alternatively, the propulsion mechanism 1 may also be a pneumatic propulsion mechanism. For example, the pneumatic propulsion mechanism may comprise a cylinder in place of the screw 13, the slider 12 and the motor 14, the push rod 4 being fixed to the output shaft end of the cylinder, and the push rod 4 being driven to be pushed or pulled back by the telescopic action of the cylinder.

In this embodiment, for a switch cabinet suitable for different depths, the bottom of the sliding plate 11 may have a plurality of first connection holes (not shown in the drawing) for connecting the electromagnet 3, where the plurality of first connection holes are arranged along the extending direction of the sliding plate 11, and the electromagnet 3 is bolted to different positions of the sliding plate 11 through the first connection holes with different positions, so that when the switch cabinet is deeper, the electromagnet 3 is bolted to one end of the sliding plate 11 opposite to the protruding side of the push rod 4, or when the switch cabinet is shallower, the electromagnet 3 is bolted to the middle of the sliding plate 11, so as to be adsorbed to the inner wall of the switch cabinet in a limited space.

In this embodiment, the push rod 4 includes a first plate 41 and a second plate 42 connected, the first plate 41 is disposed parallel to the slide plate 11, one end of the first plate 41 is detachably connected to the slider 12, and the other end is vertically connected to the second plate 42. The first plate 41 preferably has a plurality of second connecting holes 20 for connecting the sliding block 12, and the plurality of second connecting holes 20 are arranged along the extending direction of the first plate 41, so that the sliding block 12 and the push rod 4 can be bolted through the second connecting holes 20 with different positions, and the extendable length of the push rod 4 can be adjusted, so that the opening tool can be further adapted to switch cabinets with different depths.

In view of the height position of the pins in the switchgear cabinet, the second plate 42 may further have a plurality of third connection holes 30 for connecting the first plate 41, and the plurality of third connection holes 30 may be arranged along the extending direction of the second plate 42 so that the first plate 41 and the second plate 42 may be bolted through the third connection holes 30 having different positions.

It will be appreciated that when the second plate 42 is disposed in the vertical direction, adjusting the bolting positions of the first plate 41 and the second plate 42 enables adjusting the height position of the second plate 42. When the second plate 42 is arranged in the horizontal direction, the width position of the second plate 42 can be adjusted, i.e. the extensible width of the opener can be further adjusted in cooperation with the adjusting mechanism 2. Then, when the second plate 42 is inclined, its height and width positions can be adjusted by adjusting its inclination angle and cooperating with the bolting position of the first plate 41.

In this embodiment, the adjusting mechanism 2 includes a third plate 21 and a fourth plate 22, one ends of the third plate 21 and the fourth plate 22 are respectively fixed to a pair of push rods 4, a plurality of fourth connecting holes 40 and a plurality of fifth connecting holes 50 are respectively provided on the third plate 21 and the fourth plate 22 along respective extending directions, and the fourth connecting holes 40 and the fifth connecting holes 50 are used for bolting the third plate 21 and the fourth plate 22.

Specifically, the third plate 21 and the fourth plate 22 may be detachably and vertically connected to the first plates 41 of the two push rods 4, respectively, the third plate 21 and the fourth plate 22 are disposed in a staggered manner, and the fourth connecting holes 40 and the fifth connecting holes 50 penetrate through the surfaces of the third plate 21 and the fourth plate 22, respectively, so as to form communication after the third plate 21 and the fourth plate 22 are attached, so that the third plate 21 and the fourth plate 22 are fastened and fixed by bolting through at least one set of the corresponding communication fourth connecting holes 40 and the fifth connecting holes 50.

Since the size and structure of the switchgear have standard industry standards, such as a 10kV handcart type switchgear commonly has a width of 65cm, 85cm, etc., each fourth connection hole 40 and each fifth connection hole 50 provided on the third plate 21 and the fourth plate 22 may be provided at a uniform interval of 2.5cm or 5cm, etc., so as to be suitable for the switchgear of different widths.

Of course, in alternative embodiments thereof, the third plate 21 and the fourth plate 22 may also be of other connection position adjustable construction. For example, a strip-shaped groove with the same extending direction is arranged on the third plate 21, a plurality of through holes with the width matched with that of the strip-shaped groove are arranged on the fourth plate 22, the third plate 21 and the fourth plate 22 can be bolted and fixed through bolts penetrating through the strip-shaped groove and the through holes, and the connecting position of the third plate 21 and the third plate 21 can be adjusted by adjusting the position of the adjusting bolts in the strip-shaped groove, namely the total connecting length of the adjusting bolts can be adjusted.

In particular, as a structure of directly extending into the switch cabinet and operating the pin, the push rod 4 is preferably made of an SMC material, and the SMC has good transparency and arc resistance. Meanwhile, the adjusting mechanism 2 and the push rod 4 are both load structures of the propulsion mechanism 1, and the SMC also has the advantage of light specific gravity, so that the adjusting mechanism 2 can be made of SMC materials besides the push rod 4.

As a connecting structure fixedly connected with the electromagnet 3 and a basic structure carrying the sliding block 12, the screw rod 13, the motor 14, the push rod 4 and the adjusting mechanism 2, the sliding plate 11 is made of a metal material with better mechanical strength. In this embodiment, the slide plate 11 is preferably made of a galvanized steel sheet, which has good comprehensive properties and high cost performance.

In this embodiment, electromagnet 3 is preferably sucking disc formula electromagnet, and sucking disc formula electromagnet has better adsorption stability, and its is small, can save occupation space, easy to assemble.

In this embodiment, the opening tool further includes a remote controller (not shown in the figure), and the remote controller is electrically connected to the propulsion mechanism 1 and/or the electromagnet 3, so that an operator can remotely operate the opening panel when performing maintenance operations of the nuclear phase and other switch cabinets.

Considering that if the electromagnet 3 or the electric propulsion mechanism is suddenly de-energized during maintenance operation, the opening tool suddenly removes the pressing force on the pin rod, so that the baffle is suddenly closed, and potential safety hazards are generated. To this end, in this embodiment, the opening tool further comprises a main power source (not shown) and at least one backup power source (not shown), wherein the main power source can be connected to a municipal power grid to supply power to the propulsion mechanism 1 and/or the electromagnet 3; the backup power source is preferably a battery to enable power to be supplied to the propulsion mechanism 1 and/or the electromagnet 3 when the main power source is de-energized, so that the opener ensures a continuous pressing against the pin and opening the shutter.

It should be noted that, the circuit setting and configuration methods of the remote controller and the main power supply are all the prior art, and are not described herein.

It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the invention. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.

Claims (6)

1. An opening tool for a switch cabinet baffle, the switch cabinet having a pair of pins cooperating with the baffle, the pins being capable of driving the baffle to open when pushed, the opening tool comprising:

A pair of propelling mechanisms (1) which are arranged at intervals, wherein the output ends of the pair of propelling mechanisms (1) are respectively provided with a push rod (4) which can prop against the pin rod;

an adjusting mechanism (2) connected between a pair of push rods (4) for adjusting the distance between the push rods (4); and

A pair of electromagnets (3) respectively connected to the bottoms of the pair of propulsion mechanisms (1) so as to fix the pair of propulsion mechanisms (1) to the switch cabinet when the power is supplied;

a slide plate (11);

the sliding block (12) is in sliding connection with the sliding plate (11) and is used for fixing the push rod (4);

The screw rod (13) is arranged in parallel with the sliding plate (11) and is in threaded connection with the sliding block (12) so as to drive the sliding block (12) to move along the extending direction of the sliding plate (11) when rotating; and

A motor (14) fixed at one end of the sliding plate (11) and capable of driving the screw rod (13) to rotate; the bottom of the sliding plate (11) is provided with a plurality of first connecting holes for connecting the electromagnets (3), and the plurality of first connecting holes are distributed along the extending direction of the sliding plate (11);

the push rod (4) comprises a first plate (41) and a second plate (42) which are connected, the first plate (41) is arranged in parallel with the sliding plate (11), one end of the first plate (41) is detachably connected with the sliding block (12), the other end of the first plate is vertically connected with the second plate (42), the first plate (41) is provided with a plurality of second connecting holes (20) for connecting the sliding block (12), and the second connecting holes (20) are distributed along the extending direction of the first plate (41);

The second plate (42) is provided with a plurality of third connecting holes (30) for connecting the first plate (41), and the third connecting holes (30) are arranged along the extending direction of the second plate (42).

2. The opener according to claim 1, characterized in that it further comprises:

a main power supply connectable to a municipal power grid to supply power to said propulsion mechanism (1) and/or said electromagnet (3); and

The storage battery can supply power to the propulsion mechanism (1) and/or the electromagnet (3) when the main power supply is powered off.

3. The opener according to claim 1, characterized in that the adjusting mechanism (2) comprises a third plate (21) and a fourth plate (22), one ends of the third plate (21) and the fourth plate (22) are respectively fixed to a pair of push rods (4), a plurality of fourth connecting holes (40) and a plurality of fifth connecting holes (50) are respectively provided on the third plate (21) and the fourth plate (22) along respective extending directions, and the fourth connecting holes (40) and the fifth connecting holes (50) are used for bolting the third plate (21) and the fourth plate (22).

4. Opener according to claim 1, characterized in that the push rod (4) and the adjusting mechanism (2) are both made of SMC material.

5. The opener according to claim 1, characterized in that it further comprises a remote control, which is electrically connected to the propulsion mechanism (1) and/or the electromagnet (3).

6. An opening tool according to claim 1, characterized in that the electromagnet (3) is a suction cup type electromagnet.