Temporary power supply device for building construction site

By introducing a sliding mounting frame and an automatic disconnection design into the temporary power supply device, the maintenance challenges in confined spaces are solved, enabling safe and efficient maintenance of the power supply device and reducing maintenance risks at the construction site.

CN223884846UActive Publication Date: 2026-02-06天津住总集团有限公司 +1
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Patent Information

Application Number
CN202520380493.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-06
Publication Date
2026-02-06
Estimated Expiration
2035-03-06

AI Technical Summary

Technical Problem

The existing temporary power supply equipment has a compact internal structure in the distribution box, which makes it difficult for maintenance personnel to perform fault repairs in the confined space, increasing the difficulty of maintenance and safety risks.

Method used

A temporary power supply device for construction sites was designed, which adopts a sliding frame structure and is equipped with sliders, grooves and ball bearings to facilitate the movement and maintenance of electrical appliances. The electrical connection is automatically disconnected, and a buffer pad and a slot are used to stabilize the connection and ensure safety.

Benefits of technology

It provides a safe and easy-to-maintain environment, avoids operation in confined spaces, reduces the risk of electric shock, and improves maintenance efficiency and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a temporary power supply device for a building construction site, and belongs to the technical field of power supply. Comprising a distribution box; the plurality of placing cavities are arranged in the distribution box; the mounting frame is arranged in the placing cavity in a sliding manner; the power generation box is arranged below the power distribution box; and the pay-off cavity is arranged on the distribution box and is positioned below the placement cavity. According to the utility model, the installation frame is arranged in the placement cavity in a sliding manner, so that when a certain electrical appliance fails, maintenance personnel can detect and maintain the electrical appliance in the installation frame in a relatively wide space only by pulling out the installation frame from the placement cavity, thereby avoiding operation in a narrow and small distribution box full of lines, and improving the maintenance efficiency. And electrical connection is automatically disconnected when the mounting frame is drawn out, so that an electric shock accident caused by mistakenly touching an electrified part is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to power supply technical field, especially relates to a construction site temporary power supply device. BACKGROUND

[0002] There are a large number of power equipment in construction site, such as tower crane, construction elevator, concrete mixer, electric welding machine and so on, these equipment need stable power supply to work normally, in the initial stage of construction, the permanent power system of building may not be installed or the construction equipment is far away from the power supply area, need to use temporary power supply device, provide temporary power for construction work on construction site.

[0003] At present, the existing temporary power supply device is generally fixed in internal structure during use, the internal appliances are directly fixed in the given position, once a sudden failure of certain appliance, the maintenance personnel need to operate in the narrow and line-filled distribution box, not only the space is limited, but also easy to touch other live parts, increase the difficulty and danger of maintenance, therefore, the application provides a construction site temporary power supply device to meet the needs. UTILITARIAN CONTENT

[0004] The utility model solves the technical problem to provide a construction site temporary power supply device to solve the problem that the internal structure of the existing temporary power supply device is compact during use, and it is difficult for maintenance personnel to repair once a failure occurs.

[0005] To solve the above technical problems, the utility model provides the following technical scheme.

[0006] A construction site temporary power supply device, comprising: a distribution box;A plurality of placement cavities are arranged in the distribution box;An installation frame is slidably arranged in the placement cavity;A power generation box is arranged below the distribution box;A wire laying cavity is arranged on the distribution box and below the placement cavity;A socket is arranged in the placement cavity;A quick plug is arranged on the installation frame and matched with the socket;A cable is arranged in the wire laying cavity and electrically connected with the socket, for electrically connecting the power generation box and the distribution box.

[0007] It also includes two buffer pads arranged between the distribution box and the power generation box respectively.

[0008] It also includes two sliding strips arranged in the placement cavity and symmetrically arranged.

[0009] It also includes two sliding grooves arranged on the two side walls of the installation frame and corresponding to the two sliding strips.

[0010] Further comprising: a plurality of balls arranged in the sliding groove; and a plurality of grooves arranged on the sliding strip and matched with the balls.

[0011] Further comprising: two sets of clamping grooves arranged on two sides of the distribution box and two sides of the power generation box respectively and corresponding to each other; the clamping grooves are semicircular, and the two clamping grooves are combined to form a circle.

[0012] Further comprising: two sets of fixing members arranged in the clamping grooves respectively, and the fixing member comprises: a rotating plate arranged in the clamping groove.

[0013] Further comprising: an auxiliary plate arranged on the rotating plate; and a half bolt arranged on the auxiliary plate.

[0014] Compared with the prior art, the utility model has at least the following beneficial effects.

[0015] In the above scheme, by slidingly arranging the mounting frame in the placing cavity, when a certain electrical appliance fails, the maintenance personnel only need to pull out the mounting frame from the placing cavity, and then the electrical appliance in the mounting frame can be detected and maintained in the relatively open space, so that the operation in the narrow and line-filled distribution box is avoided, and the electrical connection is automatically disconnected when the mounting frame is pulled out, so that the electric shock accident caused by accidental contact with the live part is avoided.

[0016] By arranging the sliding strip, the sliding groove and the balls, the mounting frame can smoothly slide when being pushed into and pulled out of the placing cavity, and the only linear path for the movement of the mounting frame is defined, so that the unstable conditions such as deviation, skew or rotation of the mounting frame during the movement are effectively avoided. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic diagram of a temporary power supply device for a construction site.

[0018] Figure 2 It is a side view of the distribution box structure.

[0019] Figure 3 It is a structure schematic diagram of the placing cavity.

[0020] Figure 4 It is a structure schematic diagram of the quick plug.

[0021] Figure 5 It is a structure schematic diagram of the power generation box.

[0022] Figure 6 It is a structure schematic diagram of the fixing member.

[0023] [REFERENCE SIGNS]

[0024] 1, distribution box; 2, mounting frame; 3, pay-off cavity; 4, power generation box; 5, fixing piece; 6, slide bar; 7, buffer pad; 8, clamping groove; 9, sliding groove; 10, socket; 11, placing cavity; 12, cable; 13, quick plug; 14, ball; 51, auxiliary plate; 52, rotating plate; 53, half bolt.

[0025] As shown in the drawings, in order to clearly realize the structure of the embodiments of the utility model, specific structures and devices are marked in the drawings, but this is only for the need of illustration, and is not intended to limit the utility model in the specific structure, device and environment, and the ordinary skilled in the art can adjust or modify these devices and environment according to specific needs, and the adjustment or modification still includes in the scope of the appended claims. DETAILED DESCRIPTION

[0026] The utility model provides a kind of temporary power supply device of construction site in the following detailed description of drawings and specific embodiments. It is explained here simultaneously, in order to make embodiment more detailed, the following embodiment is best, preferred embodiment, for some known technology, other alternative ways can also be implemented by the person skilled in the art;And part of the drawings is only for more specific description of embodiment, and is not intended to be specific to the utility model.

[0027] As Figure 1 - Figure 6 As shown in the drawings, the utility model provides a kind of temporary power supply device of construction site, including: distribution box 1;Several placing cavities 11, it is set in distribution box 1;Mounting frame 2, it is slidably arranged in placing cavity 11;Power generation box 4, it is set in the lower of distribution box 1;Pay-off cavity 3, it is set on distribution box 1, and it is below placing cavity 11;Socket 10, it is set in placing cavity 11;Quick plug 13, it is set on mounting frame 2, and it is matched with socket 10;Cable 12, it is set in pay-off cavity 3, and it is electrically connected with socket 10, for connecting power generation box 4 and distribution box 1 electrically.

[0028] By setting cable 12, including two, one cable 12 is connected with power generation box 4, another cable 12 is connected with socket 10, two cables 12 are connected by plug-in connector, when using or disconnecting, only need to connect or disconnect between two cables 12, when normal use, cable 12 is in pay-off cavity 3, pay-off cavity 3 is provided with transparent window after rotatingly setting movable door.

[0029] Further comprising: two buffer pads 7, respectively arranged between the distribution box 1 and the power generation box 4. By arranging the buffer pad 7, one buffer pad 7 is connected with the top of the power generation box 4, and the other buffer pad 7 is connected with the bottom of the distribution box 1, so that when the generator set in the power generation box 4 is running, the vibration is reduced through the buffer pad 7 to the distribution box 1, avoiding the internal elements of the distribution box 1 from being damaged due to long-term vibration; a plurality of electrical elements are arranged in the mounting frame 2, and a plurality of connecting ports are arranged on the mounting frame 2, which can be connected with external wires, and the electrical elements are electrically connected with the connecting ports.

[0030] Further comprising: two slides 6 arranged in the placement cavity 11 in a symmetrical manner. By arranging the slide 6, the main purpose is to provide accurate position guidance for the mounting frame 2, ensuring that the quick plug 13 can be accurately inserted into the socket 10 every time the mounting frame 2 is pushed in.

[0031] Further comprising: two sliding grooves 9 arranged on the two side walls of the mounting frame 2 and corresponding to the two slides 6. By arranging the sliding groove 9, the position of the mounting frame 2 is effectively limited, ensuring that the mounting frame 2 is in the correct installation position in the placement cavity 11, and the sliding groove 9 is inserted into the slide 6 to move.

[0032] Further comprising: a plurality of balls 14 arranged in the sliding groove 9; and a groove matching the ball 14 is arranged on the slide 6. By arranging the ball 14, when the mounting frame 2 moves along the slide 6 in the placement cavity 11, the ball 14 converts the sliding friction between the mounting frame 2 and the slide 6 into rolling friction, reducing the wear between the mounting frame 2 and the slide 6 due to friction.

[0033] Further comprising: two sets of clamping grooves 8 arranged on the two sides of the distribution box 1 and the two sides of the power generation box 4, and the two sets of clamping grooves 8 correspond to each other; the clamping groove 8 is semicircular, and the two clamping grooves 8 cooperate to form a circle. By arranging the clamping groove 8, the two clamping grooves 8 cooperate to form a circle, so that the rotating plate 52 can rotate in a circle in the clamping groove 8, and after being fixed, it can uniformly disperse stress when subjected to external forces from all directions such as vibration on the construction site, collision of equipment, etc.

[0034] Further comprising: two sets of fixing members 5 arranged in the clamping groove 8, and the fixing member 5 comprises: a rotating plate 52 rotatably arranged in the clamping groove 8. By arranging the rotating plate 52, rotating the rotating plate 52 to change it from a horizontal state to a vertical state, so that the distribution box 1 and the power generation box 4 are fixed, and vice versa to separate state, the clamping groove 8 can be provided with a tooth trace, and the side wall of the rotating plate 52 can be provided with a tooth, the two are engaged to prevent accidental rotation or displacement, thereby ensuring the connection stability of the distribution box 1 and the power generation box 4.

[0035] Further include: auxiliary plate 51, set in the rotating plate 52, half bolt 53, set in the auxiliary plate 51, by setting half bolt 53, when the rotating plate 52 is in longitudinal state, two half bolts 53 are combined into a whole bolt, and it is fixed by nut again.

[0036] The technical scheme provided by the utility model, when needing to maintain, the installation frame 2 is extracted from the placing cavity 11, so that the quick plug 13 and the socket 10 are disconnected, thereby detecting the electric appliance in the installation frame 2, after maintenance, the installation frame 2 is pushed into the placing cavity 11 along the direction of the slide strip 6, in the pushing process, the installation frame 2 is smoothly slid in through the rolling of the ball 14, when the installation frame 2 completely enters the placing cavity 11, the quick plug 13 is inserted into the socket 10; when needing to disassemble the device, the cable 12 is disconnected, then the nuts on the two half bolts 53 are taken out, the rotating plate 52 is rotated, so that the two rotating plates 52 are respectively located in the corresponding clamping grooves 8, at the moment, the power generation box 4 and the power distribution box 1 are disassembled.

[0037] The utility model covers any alternative, modification, equivalent method and scheme which are made on the essence and range of the utility model. In order to make the public have the thorough understanding of the utility model, the specific details are explained in the above preferred embodiment of the utility model, and the utility model can be completely understood without the description of these details for the person skilled in the art. In addition, in order to avoid unnecessary confusion to the essence of the utility model, the well-known method, process, flow, element and circuit etc. are not explained in detail.

[0038] The above only is the preferred implementation mode of the utility model, should point out, for ordinary technical personnel in this technical field, on the premise that without departing from the principle of the utility model, still can make a number of improvement and embellishment, these improvement and embellishment also should be regarded as the protection range of the utility model.

Claims

1. A construction site temporary power supply apparatus, characterised in that, The utility model relates to a power distribution box, which comprises: a power distribution box (1); a plurality of placing cavities (11) arranged in the power distribution box (1); a mounting frame (2) slidingly arranged in the placing cavity (11); a power generation box (4) arranged below the power distribution box (1); a wire laying cavity (3) arranged on the power distribution box (1) and below the placing cavity (11); a socket (10) arranged in the placing cavity (11); a quick plug (13) arranged on the mounting frame (2) and matched with the socket (10); a cable (12) arranged in the wire laying cavity (3) and electrically connected with the socket (10) for electrically connecting the power generation box (4) and the power distribution box (1).

2. The construction site temporary power supply of claim 1, wherein, Further comprising: two buffer pads (7) respectively arranged between the power distribution box (1) and the power generation box (4).

3. The construction site temporary power supply of claim 1, wherein, Further comprising: two sliding strips (6) symmetrically arranged in the placing cavity (11).

4. The construction site temporary power supply of claim 3, wherein, Further comprising: two sliding grooves (9) arranged on two side walls of the mounting frame (2) and corresponding to the two sliding strips (6).

5. The construction site temporary power supply of claim 4, wherein, Further comprising: a plurality of rolling balls (14) arranged in the sliding grooves (9); the sliding strips (6) are provided with grooves matched with the rolling balls (14).

6. The construction site temporary power supply of claim 1, wherein, Further comprising: two groups of clamping grooves (8) respectively arranged on two sides of the power distribution box (1) and two sides of the power generation box (4) and corresponding to each other; the clamping grooves (8) are semicircular, and the two clamping grooves (8) cooperatively form a circle.

7. A construction site temporary power supply arrangement according to claim 6, characterised in that, Further comprising: two groups of fixing members (5) respectively arranged in the clamping grooves (8), wherein the fixing member (5) comprises: a rotating plate (52) rotationally arranged in the clamping groove (8).

8. A construction site temporary power supply arrangement according to claim 7, characterised in that, Further comprising: an auxiliary plate (51) arranged on the rotating plate (52); a half bolt (53) arranged on the auxiliary plate (51).