CN217240058U - Movable type maintenance power box - Google Patents
Movable type maintenance power box Download PDFInfo
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- CN217240058U CN217240058U CN202123008426.6U CN202123008426U CN217240058U CN 217240058 U CN217240058 U CN 217240058U CN 202123008426 U CN202123008426 U CN 202123008426U CN 217240058 U CN217240058 U CN 217240058U
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Abstract
The utility model discloses a movable type maintenance power box in the field of equipment maintenance, which comprises a frame formed by assembling a plurality of support rods, wherein two support rods on one side of the bottom of the frame are respectively provided with a mobile unit; an internally-installed power box is fixed above the interior of the framework, a wire coil is installed below the framework, a plurality of sockets are installed on the power box, and each socket is correspondingly connected with an air switch; a reciprocating lead screw parallel to the axis of the wire coil is fixed on the outer side of the frame, and a wire rewinding device is installed on the reciprocating lead screw in a matching manner; the reciprocating screw rod is connected with the power box through a transmission device. The utility model provides a portable maintenance power supply box has the characteristics that the transport is swift, convenient laborsaving, rotates the crank when receiving the line and can arrange the cable is orderly, and the practicality is strong, and adaptability is wide, not only is applicable to the maintenance work in the transformer substation, can also be applied to other job sites such as block terminal, and it is convenient to remove, maintains the convenience.
Description
Technical Field
The utility model relates to an overhaul of the equipments field specifically is a portable maintenance power supply box.
Background
The transformer substation is used as an energy hub of a power system, and the position of the transformer substation in a backbone grid frame of a power grid is increasingly highlighted. In order to ensure safe, reliable and stable operation of the transformer substation, workers need to carry out routine maintenance and repair on transformer substation equipment and repair under special conditions.
In the primary equipment maintenance work, various electric tools and electric equipment are used frequently, but an alternating current power supply panel or a power supply box is brought into the field for use at present. However, the operation of carrying, wiring, winding and the like is complicated, so that the power supply arrangement time is long, the operation and maintenance efficiency is greatly influenced, and the operation and maintenance device is not suitable for the current working requirements.
The existing way of arranging power supply in the overhaul work has at least the following disadvantages:
1. long time consumption and low working efficiency
When a traditional power supply is used for winding up, two persons are usually required for operation, one person fixes the power supply tray frame, rotates the power supply tray and reciprocates the power supply line to ensure that the power supply line is uniformly distributed on the power supply tray. If one person takes up the wires, the user needs to use both hands and feet, the operation is complex, and the palm is easily damaged when holding the power line by hand.
In addition, the condition that the line looses can appear usually in traditional power source dish receipts line, and the power cord can't guarantee neatly to fasten, when the unwrapping wire is used next time, probably leads to the power cord winding together, can't pull out smoothly, need expend a large amount of time arrangement power cord this moment, seriously influences work efficiency.
2. The safety guarantee performance is low, and the requirements of 16.4.2.7 in national grid company electric power safety work regulations cannot be met: the electric tool should meet the requirement of one machine for one brake for one protection. At present, a plurality of power panels and power boxes are all provided with two to four sockets controlled by one air switch, even no leakage protector is arranged, and the safety performance is low.
3. The power box has heavy power panel, is inconvenient to carry and is easy to knock and hurt people.
4. The number of power outlets is insufficient.
In the maintenance work, it is not uncommon that several electric tools and electric equipment are used at the same time, and therefore, a power panel is required to provide a plurality of power sockets at the same time. If a sufficient number of sockets cannot be provided, some jobs can be temporarily set up, which affects the job schedule.
Therefore, the traditional power supply arrangement method and tool are complex in operation, long in time consumption, low in safety performance and inconvenient to carry, the working efficiency is seriously influenced, the situation that the periodic and emergent maintenance work of the substation equipment is increased at the present stage is not met, and the improvement is urgently needed to improve the operation and maintenance efficiency.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a portable maintenance power supply box can realize that the power wiring is received the line convenience under the prerequisite that satisfies a tractor serves one brake protection, and it is convenient to carry, can also be simultaneously for a plurality of electrical apparatus power supplies, has solved the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a movable type maintenance power box comprises a frame formed by assembling a plurality of supporting rods, wherein two supporting rods on one side of the bottom of the frame are respectively provided with a movable unit; an internally-installed power box is fixed above the interior of the framework, a wire coil is installed below the framework, a plurality of sockets are installed on the power box, and each socket is correspondingly connected with an air switch; a reciprocating lead screw parallel to the axis of the wire coil is fixed on the outer side of the frame, and a wire rewinding device is installed on the reciprocating lead screw in a matching manner; the reciprocating screw rod is connected with the power box through a transmission device.
In some embodiments, the transmission device comprises a first gear, a second gear, a chain and a crank, the crank and the first gear are coaxially fixed with the outer end of the wire coil, the second gear is installed at the end part of the reciprocating lead screw, and the first gear and the second gear are in transmission connection through the chain.
In some embodiments, the mobile unit is configured as a stair climbing triangle wheel.
In some embodiments, the receptacle is configured as an aviation receptacle.
In some embodiments, the wire rewinding device comprises a connecting portion connected with the reciprocating lead screw in a matched mode and two opposite plate bodies fixed on the connecting portion, and at least two guide wheels used for guiding the wire are fixed between the plate bodies.
In some embodiments, the guide wheel is in frictional contact with the cable through rubber.
In some embodiments, a guide rod parallel to the reciprocating screw rod is further installed on the outer side of the frame, and a guide hole matched with the guide rod is formed in the outer end of the plate body.
In some embodiments, a handle is mounted to the top of the frame.
Has the advantages that: the utility model provides a portable maintenance power supply box has the characteristics that the transport is swift, convenient laborsaving, rotates the crank when receiving the line and can arrange the cable is orderly, and the practicality is strong, and adaptability is wide, not only is applicable to the maintenance work in the transformer substation, can also be applied to other job sites such as block terminal, and it is convenient to remove, maintains the convenience.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a side view of the present invention;
FIG. 3 is a schematic structural view of the wire rewinding device of the present invention;
fig. 4 is a connection diagram of the socket and the air switch of the present invention.
In the figure: 1-a strut; 2-a frame; 3-stair climbing triangular wheel; 4-a power box; 5-wire coil; 6-reciprocating screw rod; 7-a take-up device; 8-a first gear; 9-a second gear; 10-a chain; 11-a crank; 12-a connecting part; 13-a plate body; 14-a guide wheel; 15-a guide bar; 16-a pilot hole; 17-a handle.
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.
Referring to fig. 1-2, a mobile maintenance power box comprises a frame 2 formed by assembling a plurality of support rods 1, and a handle 7 is mounted at the top of the frame 2, so that the frame is convenient to push and pull. The two support rods 1 on one side of the bottom of the frame 2 are respectively provided with a moving unit. In some preferred embodiments, the mobile unit is configured as a stair climbing triangular wheel 3, such as a standing-grain stair climbing triangular wheel, the triangular wheels are connected by special high-carbon steel, and can adapt to climbing stairs, hollow places and flat places, and the bearing capacity of the stair climbing triangular wheel 3 is over 100kg and more than 80kg through tests, so that the requirements of various fields in use can be met. In other embodiments, the mobile unit can be also configured as a universal wheel, can move smoothly in a flat field or a pothole field, and can steer flexibly.
An internal power box 4 is fixed above the inside of the frame 2. In some preferred embodiments, the outer shell of the power box 4 is made of an E1-grade flame-retardant plate and aluminum alloy in a matching mode, the aluminum alloy improves the strength of the outer shell, and the E1-grade flame-retardant plate is insulated and fireproof. As shown in fig. 4, a plurality of sockets are installed on the power box 4, each socket is correspondingly connected with an air switch for achieving the effect of "one machine for one brake for one protection", and the air switch is installed inside the power box and can be selected from CHNT NXB models. An NXBLE type leakage protector is further installed in the power box 4, an LED (light emitting diode) with the type of KD16-22D/S is further installed on the surface of the power box 4 and serves as an electrified indicating lamp, the LED is lighted to display when overvoltage or undervoltage occurs, and the illumination intensity is larger than 60 lx.
In some preferred embodiments, the socket is an aviation socket, and is in fit connection with an aviation plug, so that the socket has the effects of firm connection, high safety performance, rain resistance and sand and dust resistance. The power box 4 can adopt a Zhengtai (CHNT) NTC1 series four-core aviation plug as a connector, adopts a 4X4 polyethylene insulation layer copper core cable as a connecting wire, and connects the cable with the aviation plug to form a connecting module of the power box 4.
And a wire coil 5 is arranged below the frame 2, the axial end parts of the wire coil 5 are respectively fixed on bearing seats, and the bearing seats are fixed on the frame 2. A reciprocating screw rod 6 parallel to the axis of the wire coil 5 is fixed on the outer side of the frame 2, and the shaft end of the reciprocating screw rod 6 is also fixed on the frame through a bearing seat. The reciprocating lead screw is provided with a wire rewinding device 7 in a matching way, and the reciprocating lead screw 6 is connected with the power box 4 through a transmission device.
The cable on the drum 5 passes through the wire winding device 7, and when the transmission device transmits, the reciprocating lead screw 6 rotates, and the wire winding device 7 slides on the reciprocating lead screw 6 in a reciprocating mode, so that the effect of automatic wiring is achieved.
In some preferred embodiments, the transmission device includes a first gear 8, a second gear 9, a chain 10 and a crank 11, the crank 11 and the first gear 8 are both coaxially fixed with the outer end of the wire coil 5, the second gear 9 is installed at the end of the reciprocating lead screw 6, the first gear 8 and the second gear 9 are in transmission connection through the chain 10, and the rotation of the crank 11 can drive the reciprocating lead screw 6 to rotate.
In some preferred embodiments, as shown in fig. 3, the wire-rewinding device 7 comprises a connecting portion 12 connected with the reciprocating lead screw 6 in a matching manner, and two opposite plate bodies 13 fixed on the connecting portion 12, and at least two guide wheels 14 for guiding the wire are fixed between the plate bodies 13. The cable passes between the two guide wheels 14 and has a certain friction with the guide wheels 14, and in order to avoid the guide wheels 14 from damaging the surface layer of the cable, the guide wheels 14 are in frictional contact with the cable through rubber.
Meanwhile, in order to avoid the rotation of the wire rewinding device 7 during the movement, in some preferred embodiments, a guide rod 15 parallel to the reciprocating screw 6 is further installed on the outer side of the frame 2, and a guide hole 16 matched with the guide rod 15 is formed at the outer end of the plate body 13, so that the balance of the wire rewinding device 7 during the movement can be maintained.
The utility model provides a 4 shell weight of power supply box is 11.8kg, long wide high 400 450 mm, output voltage scope 198V ~ 235.4V can be stabilized, satisfy civilian standard voltage requirement, it is swift still to have the transport in addition, convenient laborsaving characteristics, rotate crank 11 when receiving the line and can be with orderly the arranging of cable, therefore, the clothes hanger is strong in practicability, adaptability is wide, not only be applicable to the maintenance work in the transformer substation, can also be applied to other job sites such as distribution room, it is convenient to remove, it is convenient to maintain.
The utility model discloses can simplify the arrangement of the maintenance power among the maintenance work, shorten the time that the line winding displacement was received in the wiring of power, realized in the ann rule to electric tool "a quick-witted floodgate protection"'s requirement, avoided a plurality of power coils to use simultaneously, improved the power and connect the security performance of getting the use, extended the adaptability in place moreover, changed the administrative mode of maintenance work to a certain extent, the cable interweaves mixed and disorderly scheduling problem, has eliminated the potential safety hazard. Meanwhile, the live prompting lamp is arranged, so that the possibility that personnel collide and injure the power panel in the process of carrying the power panel is avoided, potential safety hazards are eliminated, and the safety in use of the power box is greatly improved. The movable type maintenance power box improves a plurality of adverse conditions existing in the traditional power supply wiring and winding work, effectively saves the time for power supply wiring and winding in the maintenance work, shortens the time consumed by power supply wiring, improves the working efficiency, saves the manpower and financial resources, and creates intangible benefits for enterprises and the society.
Although the present description is described in terms of embodiments, not every embodiment includes only a single embodiment, and such description is for clarity only, and those skilled in the art should be able to integrate the description as a whole, and the embodiments can be appropriately combined to form other embodiments as will be understood by those skilled in the art.
Therefore, the above description is only a preferred embodiment of the present application, and is not intended to limit the scope of the present application; all changes which come within the meaning and range of equivalency of the claims are to be embraced within their scope.
Claims (8)
1. A movable type maintenance power box is characterized by comprising a frame (2) formed by assembling a plurality of supporting rods (1), wherein two supporting rods (1) on one side of the bottom of the frame (2) are respectively provided with a movable unit; an internal installation power box (4) is fixed above the interior of the framework (2), a wire coil (5) is installed below the interior of the framework, a plurality of sockets are installed on the power box (4), and each socket is correspondingly connected with an air switch; a reciprocating lead screw (6) parallel to the axis of the wire coil (5) is fixed on the outer side of the frame (2), and a wire rewinding device (7) is installed on the reciprocating lead screw (6) in a matching manner; the reciprocating screw rod (6) is connected with the power box (4) through a transmission device.
2. A mobile maintenance power supply box according to claim 1, characterized in that the transmission device comprises a first gear (8), a second gear (9), a chain (10) and a crank (11), wherein the crank (11) and the first gear (8) are coaxially fixed with the outer end of the wire coil (5), the second gear (9) is installed at the end of the reciprocating screw (6), and the first gear (8) is in transmission connection with the second gear (9) through the chain (10).
3. A mobile service power supply box according to claim 1 or 2, characterized in that the mobile unit is configured as a stair climbing triangle wheel (3).
4. A mobile service power box as claimed in claim 3, wherein the socket is configured as an aircraft socket.
5. A mobile service power box according to claim 1, characterized in that the wire-rewinding device (7) comprises a connecting part (12) fitted to the reciprocating screw (6) and two opposite plates (13) fixed to the connecting part (12), between which plates (13) at least two guide wheels (14) for guiding the wire are fixed.
6. Mobile service power box according to claim 5, characterized in that the guide wheels (14) are in frictional contact with the cables through rubber.
7. The mobile maintenance power supply box according to claim 5 or 6, characterized in that a guide rod (15) parallel to the reciprocating screw rod (6) is further installed on the outer side of the frame (2), and a guide hole (16) matched with the guide rod (15) is formed in the outer side end of the plate body (13).
8. A mobile service power box according to claim 1, characterized in that a handle (17) is mounted on top of the frame (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123008426.6U CN217240058U (en) | 2021-11-30 | 2021-11-30 | Movable type maintenance power box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123008426.6U CN217240058U (en) | 2021-11-30 | 2021-11-30 | Movable type maintenance power box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217240058U true CN217240058U (en) | 2022-08-19 |
Family
ID=82817934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123008426.6U Active CN217240058U (en) | 2021-11-30 | 2021-11-30 | Movable type maintenance power box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217240058U (en) |
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2021
- 2021-11-30 CN CN202123008426.6U patent/CN217240058U/en active Active
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