Temporary power distribution box for civil engineering construction

Abstract

The present application relates to the technical field of distribution box, especially relates to a temporary distribution box for civil engineering construction, which is convenient to move and can stably supply power. The temporary distribution box for civil engineering construction comprises a distribution box body, a handle rotatably connected to the left side of the front part of the distribution box body, isolation plates connected to the left and right sides of the distribution box body, a disengaging mechanism arranged at the bottom of the distribution box body, and a lifting mechanism arranged between the lower part of the distribution box body and the two isolation plates. The lifting rod is in contact with the ground by moving downward, the conversion between the lifting rod and the pulley is realized, thus the distribution box body can be prevented from moving due to external factors when supplying power, the stability is good, the pulley is reset by rotating downward to contact the ground, the distribution box body is directly pushed, and the distribution box body can be conveniently moved.

Description

Technical Field

[0001] This invention relates to the field of electrical distribution box technology, and more particularly to a temporary electrical distribution box for civil engineering construction. Background Technology

[0002] Distribution boxes are a common type of electrical equipment used in civil engineering construction. Existing distribution boxes are generally temporary, and these need to be removed from the site after the project is completed. However, moving these existing distribution boxes requires manual labor, which is labor-intensive and inconvenient. Furthermore, since these distribution boxes are temporary structures, they are not very stable and can easily move due to accidental impacts, leading to unstable power supply.

[0003] In summary, there is a need to develop a temporary power distribution box for civil engineering construction that is easy to move and can provide a stable power supply. Summary of the Invention

[0004] To overcome the shortcomings of temporary distribution boxes, such as inconvenience in moving them and poor stability, and to address the deficiencies of existing technologies, this invention provides a temporary distribution box for civil engineering construction that is easy to move and can provide stable power supply.

[0005] To achieve the above objectives, the present invention provides the following solution: a temporary power distribution box for civil engineering construction, comprising:

[0006] The main body of the distribution box;

[0007] A handle is located on the front left side of the distribution box body;

[0008] Isolation plates are connected to both the left and right sides of the distribution box body;

[0009] The bottom of the distribution box is equipped with a disengagement mechanism to facilitate the movement of the distribution box. Pushing the distribution box will cause it to move under the action of the disengagement mechanism. Once it reaches its destination, the disengagement mechanism is rotated to separate it from the ground, preventing the distribution box from moving accidentally when supplying power.

[0010] A lifting mechanism is provided between the lower part of the distribution box body and the two isolation plates to support the distribution box body. The lifting mechanism moves downward to contact the ground, supporting the distribution box body and improving its stability.

[0011] As a preferred embodiment of the present invention, the disengagement mechanism includes:

[0012] Fixed column: The bottom of the distribution box is connected to a fixed column;

[0013] The first limiting plate is connected to both the left and right sides of the upper part of the fixed column;

[0014] The rotating shaft is rotatably connected to both the left and right sides of the lower part of the fixed column;

[0015] The first fixing block is connected to the rotating shaft, and the lower part of the first limiting plate is in contact with the outer side of the adjacent first fixing block.

[0016] The limiting rods are installed on the inner side of the first fixing block on the front side and the inner side of the first fixing block on the rear side, and the limiting rods are detachable.

[0017] Both the first fixed block and the first fixed block are rotatably connected to pulleys. By rotating the first fixed block, the pulleys are rotated to separate from the ground, preventing the distribution box body from moving during power supply and causing unstable power supply.

[0018] As a preferred embodiment of the present invention, the lifting mechanism includes:

[0019] The second fixing block is connected to two sets of second fixing blocks on the left and right sides of the lower part of the distribution box body;

[0020] The servo motor is connected to the lower right side of the isolation plate on the left side via a motor frame;

[0021] The lead screw is internally threaded to a set of second fixing blocks on the left front side;

[0022] The first sliding rod is connected to the first sliding rod in the other three sets of second fixed blocks;

[0023] The lifting rod has a sliding connection to the upper part of the first slide rod on the right side, and a sliding connection to the upper part of the first slide rod on the left side for supporting the main body of the distribution box. The upper front part of the left lifting rod is threadedly connected to the lead screw. When the servo motor is started, the lead screw rotates and drives the lifting rod to move down until it contacts the ground to support the distribution box and improve the stability of the distribution box when it is powered.

[0024] The upper part of the lifting rod is connected to the connecting rod, and the connecting rod is slidably connected to the main body of the distribution box.

[0025] As a preferred embodiment of the present invention, the connecting rod is n-shaped and is used to drive the lifting rod to rise and fall synchronously.

[0026] As a preferred embodiment of the present invention, it further includes a flipping mechanism for automatically rotating and resetting the pulley, the flipping mechanism comprising:

[0027] The second sliding rod is connected to both the left and right sides of the bottom of the distribution box body;

[0028] The lifting frame is slidably connected to the lower part of the second slide bar;

[0029] Racks and pinions are connected to both the left and right sides of the lifting frame;

[0030] Spur gears are connected to the inner side of the rotating shaft. The spur gears mesh with the rack to drive the pulley to rotate and reset automatically. The lifting frame is pushed up, and the rack drives the spur gears to rotate. The spur gears drive the rotating shaft, the first fixed block and the pulley to rotate inward automatically and retract.

[0031] The first torsion spring is sleeved on the outside of the rotating shaft, and the two ends of the first torsion spring are connected to the fixed column and the first fixed block, respectively.

[0032] As a preferred embodiment of the present invention, it further includes a leveling mechanism for increasing the contact area between the lifting rod and the ground. The leveling mechanism includes:

[0033] The paving plate and the lower part of the lifting rod are rotatably connected to the paving plate to increase the contact area between the lifting rod and the ground. The lower part of the paving plate is in contact with the isolation plate.

[0034] The second limiting plate is connected to both the front and rear sides of the lower part of the lifting rod. After the flat plate rotates, it comes into contact with the second limiting plate.

[0035] The second torsion spring is fitted on both the front and rear sides of the lower part of the lifting rod. The two ends of the second torsion spring are connected to the second limiting plate and the paving plate, respectively. Under the action of the second torsion spring, the paving plate is driven to rotate outward to a horizontal state, which increases the contact area between the lifting rod and the ground. The paving plate moves downward to contact the ground, which increases the stability of the lifting rod.

[0036] As a preferred embodiment of the present invention, it further includes a limiting mechanism for automatically moving the lifting frame upwards, the limiting mechanism comprising:

[0037] The first pressure rod is connected to both the left and right sides of the lower front part of the connecting rod;

[0038] The first linear spring is fitted in the middle of the second slide rod, and the two ends of the first linear spring are respectively connected to the upper part of the second slide rod and the top of the lifting frame.

[0039] Guide wheels: Guide wheels are connected to both the left and right sides of the bottom of the distribution box body;

[0040] The third slide rod is connected to the bottom of the guide wheel;

[0041] The second pressure rod and the upper part of the third sliding rod are both slidably connected to the second pressure rod, and the first pressure rod contacts the second pressure rod after it moves.

[0042] The pull rope and the outer top of the second pressure rod are both connected to a pull rope for automatically moving the lifting frame upwards. The lower end of the pull rope passes around the upper part of the nearby guide wheel and connects to the top of the lifting frame. When the first pressure rod moves downwards, it contacts the second pressure rod, causing the second pressure rod to move downwards. The second pressure rod then drives the lifting frame to move upwards automatically through the pull rope.

[0043] As a preferred embodiment of the present invention, it further includes a fixing mechanism for limiting the linkage, the fixing mechanism comprising:

[0044] The fourth slide bar is connected to both the left and right sides of the lower part of the isolation plate;

[0045] The third limiting plate, the fourth sliding rod on the left and the fourth sliding rod on the right are all slidably connected to the third limiting plate for limiting the connecting rod. The lower part of the isolation plate has through holes, and the third limiting plate passes through the similar through holes to contact the lower part of the connecting rod.

[0046] The second linear spring and the outer side of the fourth slide rod are both fitted with second linear springs. The two ends of the second linear springs are connected to the outer side of the fourth slide rod and the outer side of the third limiting plate, respectively. Under the action of the second linear springs, the third limiting plate is driven to move inward to limit the connecting rod, so as to prevent the lifting rod from being unable to support the power distribution box body due to the excessive weight of the power distribution box body.

[0047] This invention has at least one of the following advantages: The invention achieves the conversion between the lifting rod and pulleys by moving the lifting rod downwards to contact the ground. This avoids the pulleys from shifting due to external factors when the distribution box is supplying power, resulting in better stability. After the pulleys are rotated downwards and reset to contact the ground, the distribution box can be moved directly. The worker can lift the lifting frame with their foot, causing the rack to move upwards. The rack, through meshing with a spur gear, drives the four rotating shafts to rotate together, thereby simultaneously rotating the four first fixed blocks and the four pulleys inwards and retracting them. This eliminates the need for another worker to manually rotate each pulley individually, saving manpower and reducing operational hassle. The lifting rod... The lifting platform is moved downwards until it contacts the ground, increasing the contact area between the lifting rod and the ground, thus improving the stability of the lifting rod when supporting the distribution box. The first pressure rod moves downwards, causing the second pressure rod to move downwards as well. The second pressure rod, via a pull rope, automatically moves the lifting frame upwards. This eliminates the need for the operator to use their feet to lift the auxiliary pulley and complete the transition between the lifting frame and the lifting rod, reducing operational difficulty. Under the reset action of the second linear spring, the third limiting plate moves inwards to limit the connecting rod. This prevents the lifting rod from being unable to support the distribution box due to its excessive weight, thus preventing the distribution box from sliding downwards and further improving the stability of the distribution box support. Attached Figure Description

[0048] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0049] Figure 2 This is a partial three-dimensional structural schematic diagram of the present invention.

[0050] Figure 3 This is a schematic diagram of the three-dimensional structure of the detachment mechanism of the present invention.

[0051] Figure 4 This is a first-view three-dimensional structural diagram of the lifting mechanism of the present invention.

[0052] Figure 5 This is a two-dimensional structural diagram of the lifting mechanism of the present invention from a second perspective.

[0053] Figure 6 This is a three-dimensional structural diagram of the lifting mechanism of the present invention from a third-view perspective.

[0054] Figure 7 This is a three-dimensional structural diagram of the flipping mechanism of the present invention.

[0055] Figure 8 This is a three-dimensional structural diagram of the flattening mechanism of the present invention.

[0056] Figure 9 This is a three-dimensional structural diagram of the limiting mechanism of the present invention.

[0057] Figure 10 This is a three-dimensional structural diagram of the fixing mechanism of the present invention.

[0058] The diagram is labeled as follows: 1-Distribution box body, 2-Handle, 3-Isolation plate, 4-Disengagement mechanism, 41-Fixing column, 42-First limiting plate, 43-First fixing block, 44-Pulley, 45-Limiting rod, 46-Rotating shaft, 5-Lifting mechanism, 51-Second fixing block, 52-Servo motor, 53-Lead screw, 54-First sliding rod, 55-Lifting rod, 56-Connecting rod, 6-Tilting mechanism, 61-Second sliding rod, 62-Lifting frame, 63-Rack, 64-Spur gear, 65-First torsion spring, 7-Flattening mechanism, 71-Flattening plate, 72-Second limiting plate, 73-Second torsion spring, 8-Limiting mechanism, 81-First pressure rod, 82-First linear spring, 83-Guide wheel, 84-Third sliding rod, 85-Second pressure rod, 86-Pull rope, 9-Fixing mechanism, 91-Third limiting plate, 92-Second linear spring, 93-Fourth sliding rod. Detailed Implementation

[0059] The present invention will now be further described with reference to the accompanying drawings and specific embodiments:

[0060] Example 1

[0061] A temporary power distribution box for civil engineering construction, such as Figures 1-6As shown, the distribution box includes a main body 1, a handle 2, an isolation plate 3, a detachment mechanism 4, and a lifting mechanism 5. The handle 2 is rotatably connected to the front left side of the main body 1. Isolation plates 3 are connected to both the left and right sides of the main body 1. A detachment mechanism 4 is provided at the bottom of the main body 1 to facilitate movement. A lifting mechanism 5 is provided between the lower part of the main body 1 and the two isolation plates 3 to support the main body 1. The detachment mechanism 4 includes a fixed column 41, a first limiting plate 42, and a second limiting plate 43. A fixed block 43, a pulley 44, a limiting rod 45, and a rotating shaft 46 are provided. A fixed post 41 is welded to the bottom of the distribution box body 1. Two first limiting plates 42 are welded to the upper left and right sides of the fixed post 41. Two rotating shafts 46 are rotatably connected to the lower left and right sides of the fixed post 41. Each of the four rotating shafts 46 is connected to a first fixed block 43. The lower parts of the four first limiting plates 42 contact the outer side of the nearest first fixed block 43. The inner sides of the two front and two rear first fixed blocks 43 are equipped with [missing information - likely related to a device or mechanism]. The disassembled limit rod 45, the four first fixing blocks 43 are all rotatably connected to pulleys 44 at the bottom, the lifting mechanism 5 includes a second fixing block 51, a servo motor 52, a lead screw 53, a first sliding rod 54, a lifting rod 55 and a connecting rod 56, the lower left and right sides of the distribution box body 1 are fixed with two sets of second fixing blocks 51 by bolts, each set has two second fixing blocks 51, each set of second fixing blocks 51 is distributed vertically, the lower right side of the left isolation plate 3 is connected to the servo motor 52 by the motor frame, and a set of second fixing blocks 51 on the left front side. The fixed block 51 is internally connected to a lead screw 53. The other three sets of second fixed blocks 51 are all connected to first slide rods 54. The upper part of the two first slide rods 54 on the right side is slidably connected to a lifting rod 55. The upper part of the first slide rod 54 on the left side is slidably connected to a lifting rod 55. The lifting rod 55 is used to support the distribution box body 1. The upper front part of the left lifting rod 55 is threadedly connected to the lead screw 53. Two connecting rods 56 are welded on the two lifting rods 55. Both connecting rods 56 are slidably connected to the distribution box body 1. The connecting rods 56 are n-shaped.

[0062] In use, the distribution box body 1 is pushed to the construction site to provide power. The pulley 44 allows for easy movement of the distribution box body 1 without requiring significant manpower. The isolation plate 3 protects the components from accidental impacts from external objects onto the pulley 44 and the fixing post 41, preventing damage to the fixing post 41. Upon reaching the destination, the construction worker manually disassembles the limit rod 45. Then, two construction workers lift the distribution box body 1, while another worker manually rotates the pulley 44 and the first fixing block 43 inwards. The distribution box body 1 is then lowered, allowing the isolation plate 3 to directly contact the ground. The servo motor 52 is then activated, and its output shaft drives the lead screw 53 to rotate. The lead screw 53 moves the left lifting rod 55 downwards, which in turn moves the right lifting rod 55 downwards via the connecting rod 56. Once the lifting rods 55 are in contact with the ground, the servo motor 52 is turned off. This allows the lifting rods 55 to distribute power... The box body 1 is lifted, separating the isolation plate 3 from the ground. This prevents the pulley 44 from moving due to external factors when the power distribution box body 1 is powered on, thus avoiding unstable power supply and affecting the work efficiency of the construction workers. The stability is good. When it is necessary to move the power distribution box body 1, the first fixing block 43 and the pulley 44 are rotated downwards to reset, so that the first fixing block 43 contacts the first limiting plate 42 and the pulley 44 contacts the ground. The first limiting plate 42 is used to limit the first fixing block 43 to prevent the first fixing block 43 from rotating excessively, which would prevent the pulley 44 from standing up. Then, the limiting rod 45 is reset to limit the first fixing block 43. Then, the servo motor 52 is started, and the output shaft of the servo motor 52 is reversed to drive the lead screw 53 to reverse. The lead screw 53 drives the lifting rod 55 and the connecting rod 56 to move upwards to reset, so that the lifting rod 55 is separated from the ground. Then, the power distribution box body 1 can be moved.

[0063] Example 2

[0064] Based on Example 1, such as Figure 2 and Figure 7As shown, it also includes a flipping mechanism 6, which is used to drive the pulley 44 to rotate and reset automatically. The flipping mechanism 6 includes a second slide rod 61, a lifting frame 62, a rack 63, a spur gear 64 and a first torsion spring 65. The bottom left and right sides of the distribution box body 1 are welded with the second slide rod 61. The lower part of the two second slide rods 61 is slidably connected to the lifting frame 62. The left and right sides of the lifting frame 62 are welded with two racks 63. The inner sides of the four rotating shafts 46 are connected to the spur gears 64 by keys. The spur gears 64 mesh with the racks 63 to drive the pulley 44 to rotate and reset automatically. The outer sides of the four rotating shafts 46 are fitted with the first torsion springs 65. The two ends of the first torsion springs 65 are connected to the fixed column 41 and the first fixed block 43, respectively. When it is necessary to rotate pulley 44 and the first fixed block 43, the construction worker first lifts the distribution box body 1, and then uses his foot to push up the lifting frame 62. The lifting frame 62 drives the rack 63 to move upward. The rack 63 drives the rotating shaft 46 to rotate through the spur gear 64. The first torsion spring 65 deforms, and the rotating shaft 46 drives the first fixed block 43 and pulley 44 to rotate inward, so that the pulley 44 is separated from the ground. In this way, there is no need for another construction worker to manually rotate each pulley 44, thus saving manpower. When it is necessary to move the distribution box body 1, the construction worker lifts the distribution box body 1, the first torsion spring 65 returns to its original position, and drives the rotating shaft 46, the first fixed plate and pulley 44 to rotate outward to return to their original position, so that the pulley 44 contacts the ground. The rotating shaft 46 drives the spur gear 64 to reverse, so that the lifting frame 62 moves downward to return to its original position through the rack 63. In this way, there is no need to manually rotate each pulley 44 to return to its original position, reducing the trouble of operation.

[0065] like Figure 2 and Figure 8As shown, it also includes a leveling mechanism 7, which is used to increase the contact area between the lifting rod 55 and the ground. The leveling mechanism 7 includes a leveling plate 71, a second limiting plate 72, and a second torsion spring 73. The lower part of each of the two lifting rods 55 is rotatably connected to the leveling plate 71. The leveling plate 71 is used to increase the contact area between the lifting rod 55 and the ground. The lower part of the leveling plate 71 contacts the isolation plate 3. The lower front and rear sides of the lower part of each of the two lifting rods 55 are welded with the second limiting plate 72. After the leveling plate 71 rotates, it contacts the second limiting plate 72. The lower front and rear sides of each of the two lifting rods 55 are fitted with the second torsion spring 73. The two ends of the second torsion spring 73 are respectively connected to the second limiting plate 72 and the leveling plate 71. Initially, the lower part of the spreading plate 71 is in contact with the isolation plate 3, and the second torsion spring 73 is in a deformed state. When the lifting rod 55 moves downward, it drives the spreading plate 71 and the second limiting plate 72 to move downward. The second torsion spring 73 returns to its original position, driving the spreading plate 71 to rotate upward. When the spreading plate 71 rotates upward to contact the second limiting plate 72, the second limiting plate 72 limits the spreading plate 71 to prevent it from rotating excessively upward. When the spreading plate 71 moves downward to contact the ground, it increases the contact area between the lifting rod 55 and the ground, thereby improving the stability of the lifting rod 55 in supporting the distribution box body 1. When the lifting rod 55 moves upward to its original position, it drives the spreading plate 71 and the second limiting plate 72 to move upward. When the spreading plate 71 moves upward to contact the isolation plate 3, the isolation plate 3 limits the spreading plate 71, causing it to rotate inward and retract, and the second torsion spring 73 deforms.

[0066] like Figure 2 and Figure 9As shown, it also includes a limiting mechanism 8, which is used to drive the lifting frame 62 to move automatically upward. The limiting mechanism 8 includes a first pressure rod 81, a first linear spring 82, a guide wheel 83, a third slide rod 84, a second pressure rod 85, and a pull rope 86. The lower left and right sides of the connecting rod 56 are welded with the first pressure rod 81. The middle of the two second slide rods 61 is fitted with the first linear spring 82. The two ends of the first linear spring 82 are respectively connected to the upper part of the second slide rod 61 and the top of the lifting frame 62. The bottom left and right sides of the distribution box body 1 are welded with the guide wheel 83. The bottom of the two guide wheels 83 is welded with the third slide rod 84. The upper part of the two third slide rods 84 is slidably connected with the second pressure rod 85. After the first pressure rod 81 moves, it contacts the second pressure rod 85. The outer side of the top of the two second pressure rods 85 is connected with the pull rope 86. The pull rope 86 is used to drive the lifting frame 62 to move automatically upward. The lower ends of the two pull ropes 86 pass around the upper part of the adjacent guide wheel 83 and are connected to the top of the lifting frame 62. When the lifting rod 55 moves downwards along the connecting rod 56, it also moves the first pressure rod 81 downwards. When the first pressure rod 81 moves downwards and contacts the second pressure rod 85, the lifting rod 55 has already passed the lifting frame 62. The first pressure rod 81 then moves the second pressure rod 85 downwards. The second pressure rod 85, through the pull rope 86, moves the lifting frame 62 upwards automatically. The first linear spring 82 is compressed, causing the rack 63 to automatically drive the spur gear 64, the rotating shaft 46, the first fixed block 43, and the pulley 44 to rotate inwards automatically. This causes the pulley 44 to automatically separate from the ground, bringing the lifting rod 55 into contact with the ground. Because the distance between the lifting rod 55 and the ground is relatively close when the pulley 44 is retracted, and the construction worker holds the electrical box body 1, the pulley 44 and the lifting rod 55 are further assisted. The automatic switching is completed, so when the distribution box body 1 moves downward, it will not generate much vibration. Thus, the construction worker does not need to use his foot to lift the lifting frame 62 to complete the switching between the auxiliary pulley 44 and the lifting rod 55, thereby reducing the difficulty of operation. When the lifting rod 55 moves upward, the construction worker manually lifts the distribution box body 1. Then, the lifting rod 55 drives the first pressure rod 81 to move upward, the first linear spring 82 returns to its original position, and drives the lifting frame 62 to move downward. The lifting frame 62 pulls the second pressure rod 85 upward to return to its original position through the pull rope 86. With the assistance of the first torsion spring 65, the pulley 44 rotates outward to return to its original position, so that the pulley 44 contacts the ground. Then, the construction worker releases the distribution box body 1, so that the pulley 44 can return to its original position smoothly.

[0067] like Figure 2 and Figure 10As shown, it also includes a fixing mechanism 9, which is used to limit the connecting rod 56. The fixing mechanism 9 includes a third limiting plate 91, a second linear spring 92, and a fourth sliding rod 93. Two fourth sliding rods 93 are welded to the lower left and right sides of the two isolation plates 3. The two fourth sliding rods 93 on the left and the two fourth sliding rods 93 on the right are slidably connected to the third limiting plate 91. The third limiting plate 91 is used to limit the connecting rod 56. The lower part of the two isolation plates 3 has through holes. The two third limiting plates 91 pass through the similar through holes and contact the lower part of the connecting rod 56. The outer sides of the four fourth sliding rods 93 are all fitted with second linear springs 92. The two ends of the second linear springs 92 are connected to the outer sides of the fourth sliding rods 93 and the outer sides of the third limiting plate 91, respectively. Initially, the third limiting plate 91 contacts the lower part of the connecting rod 56, and the second linear spring 92 is compressed. When the connecting rod 56 moves downward and separates from the third limiting plate 91, the second linear spring 92 returns to its original position, causing the third limiting plate 91 to move inward and reset. When the upper part of the connecting rod 56 moves downward and contacts the third limiting plate 91, it compresses the third limiting plate 91 and moves it outward, compressing the second linear spring 92. When the connecting rod 56 moves downward and passes the third limiting plate 91, the second linear spring 92 returns to its original position, causing the third limiting plate 91 to move inward and reset. The rod 56 is limited to prevent the lifting rod 55 from being unable to support the distribution box body 1 due to its excessive weight, which would cause the distribution box body 1 to slide downwards. This further improves the stability of the support for the distribution box body 1. When the connecting rod 56 needs to move upwards to reset, the construction worker manually pulls the third limiting plate 91 outwards to separate it from the connecting rod 56. The second linear spring 92 is compressed. After the connecting rod 56 has moved upwards to reset, the third limiting plate 91 is released, the second linear spring 92 resets, and the third limiting plate 91 moves inwards to reset.

[0068] For those skilled in the art, various other corresponding changes and modifications can be made based on the technical solutions and concepts described above, and all such changes and modifications should fall within the protection scope of the claims of this invention.

Claims

1. A temporary power distribution box for use in civil engineering construction, characterised in that: Including: Distribution box body (1); Handle (2), the front left side of the distribution box body (1) is connected to a handle (2); Isolation plate (3) is connected to both the left and right sides of the distribution box body (1); The bottom of the distribution box body (1) is provided with a disengagement mechanism (4) to facilitate the movement of the distribution box body (1). Push the distribution box body (1) and under the action of the disengagement mechanism (4), drive the distribution box body (1) to move. After reaching the destination, rotate the disengagement mechanism (4) to separate from the ground, so as to prevent the distribution box body (1) from moving accidentally when supplying power. Lifting mechanism (5): The lower part of the distribution box body (1) and the two isolation plates (3) are provided with a lifting mechanism (5) for supporting the distribution box body (1). The lifting mechanism (5) moves down to contact the ground and supports the distribution box body (1), thereby improving the stability of the distribution box body (1). The detachment mechanism (4) includes: Fixed column (41), the bottom of the distribution box body (1) is connected to the fixed column (41); The first limiting plate (42) is connected to the left and right sides of the upper part of the fixing column (41). The rotating shaft (46) and the fixed column (41) are rotatably connected to the left and right sides of the lower part. The first fixing block (43) and the rotating shaft (46) are both connected to the first fixing block (43), and the lower part of the first limiting plate (42) is in contact with the outer side of the adjacent first fixing block (43); The limiting rod (45) is installed on the inner side of the first fixing block (43) on the front side and the inner side of the first fixing block (43) on the rear side. The limiting rod (45) is detachable. The pulley (44) and the lower part of the first fixed block (43) are rotatably connected to the pulley (44). By rotating the first fixed block (43), the pulley (44) is driven to rotate until it is separated from the ground, so as to prevent the main body of the distribution box (1) from moving when power is supplied, and causing unstable power supply. The lifting mechanism (5) includes: The second fixing block (51) is connected to two sets of second fixing blocks (51) on the lower left and right sides of the distribution box body (1). Servo motor (52), the lower right side of the isolation plate (3) on the left is connected to the servo motor (52) via the motor frame; The lead screw (53) is internally threaded to a set of second fixing blocks (51) on the left front side. The first slide rod (54) is connected to the other three sets of second fixing blocks (51). The lifting rod (55) is slidably connected to the upper part of the first slide rod (54) on the right side, and the lifting rod (55) for supporting the main body (1) of the distribution box is slidably connected to the upper part of the first slide rod (54) on the left side. The upper front part of the lifting rod (55) on the left side is threadedly connected to the lead screw (53). When the servo motor (52) is started, the lead screw (53) rotates and drives the lifting rod (55) to move down to contact the ground to support the distribution box and improve the stability of the main body (1) of the distribution box when it is powered. The upper part of the lifting rod (55) is connected to the connecting rod (56), and the connecting rod (56) is slidably connected to the main body (1) of the distribution box. It also includes a turnover mechanism (6) for driving the pulley (44) to automatically rotate and reset, the turnover mechanism (6) comprising: Second slide rod (61), the power distribution box body (1) bottom left and right sides are connected with the second slide rod (61); Lifting frame (62), the second slide rod (61) lower part is slidingly connected with the lifting frame (62); Rack (63), the lifting frame (62) left and right sides are connected with the rack (63); Straight gear (64), the inner side of the rotating shaft (46) is connected with the straight gear (64), the straight gear (64) is engaged with the rack (63) for driving the pulley (44) to automatically rotate and reset, the lifting frame (62) is lifted up, the straight gear (64) is driven to rotate by the rack (63), the rotating shaft (46), the first fixed block (43) and the pulley (44) are automatically rotated inwards to be collected; First torsional spring (65), the outer side of the rotating shaft (46) is sleeved with the first torsional spring (65), the two ends of the first torsional spring (65) are connected with the fixed column (41) and the first fixed block (43) respectively.

2. A temporary power distribution box for use in civil engineering construction as claimed in claim 1, characterised in that: The connecting rod (56) is n-shaped, used for driving the lifting rod (55) to rise and fall synchronously.

3. A temporary power distribution box for use in civil engineering construction as claimed in claim 2, characterised in that: It also includes a flattening mechanism (7) for increasing the contact area of the lifting rod (55) with the ground, the flattening mechanism (7) comprising: Flattening plate (71), the lower part of the lifting rod (55) is rotatably connected with the flattening plate (71) for increasing the contact area of the lifting rod (55) with the ground, the lower part of the flattening plate (71) is in contact with the isolation plate (3); Second limiting plate (72), the lower part of the lifting rod (55) is connected with the second limiting plate (72) on the front and rear sides, the flattening plate (71) is in contact with the second limiting plate (72) after rotating; Second torsional spring (73), the lower part of the lifting rod (55) is sleeved with the second torsional spring (73) on the front and rear sides, the two ends of the second torsional spring (73) are connected with the second limiting plate (72) and the flattening plate (71) respectively, under the action of the second torsional spring (73), the flattening plate (71) is driven to rotate outward to the horizontal state, the contact area of the lifting rod (55) with the ground is expanded, the flattening plate (71) moves downward to contact with the ground, and the stability of the lifting rod (55) is increased.

4. A temporary power distribution box for use in civil engineering construction as claimed in claim 3 wherein: It also includes a limiting mechanism (8) for driving the lifting frame (62) to automatically move upward, the limiting mechanism (8) comprising: First pressing rod (81), the lower part of the connecting rod (56) is connected with the first pressing rod (81) on the left and right sides; First linear spring (82), the middle part of the second slide rod (61) is sleeved with the first linear spring (82), the two ends of the first linear spring (82) are connected with the upper part of the second slide rod (61) and the top of the lifting frame (62) respectively; Guide wheel (83), the bottom of the power distribution box body (1) is connected with the guide wheel (83) on the left and right sides; Third slide rod (84), the bottom of the guide wheel (83) is connected with the third slide rod (84); Second pressing rod (85), the upper part of the third slide rod (84) is slidingly connected with the second pressing rod (85), the first pressing rod (81) is in contact with the second pressing rod (85) after moving; Pull rope (86), the outer side of the top of the second pressing rod (85) is connected with the pull rope (86) for driving the automatic upward movement of the lifting frame (62), the lower end of the pull rope (86) is connected with the top of the lifting frame (62) by passing through the upper part of the adjacent guide wheel (83), the first pressing rod (81) moves downward and contacts the second pressing rod (85), drives the second pressing rod (85) to move downward, and the second pressing rod (85) drives the automatic upward movement of the lifting frame (62) through the pull rope (86).

5. A temporary power distribution box for use in civil engineering construction as claimed in claim 4 wherein: Further comprising a fixing mechanism (9) for limiting the connecting rod (56), the fixing mechanism (9) comprises: Fourth sliding rod (93), the lower left and right sides of the isolation plate (3) are connected with the fourth sliding rod (93); Third limiting plate (91), the fourth sliding rod (93) on the left and the fourth sliding rod (93) on the right are both slidably connected with the third limiting plate (91) for limiting the connecting rod (56), the lower part of the isolation plate (3) is provided with a through hole, and the third limiting plate (91) passes through the adjacent through hole and contacts the lower part of the connecting rod (56); Second linear spring (92), the outer side of the fourth sliding rod (93) is sleeved with the second linear spring (92), and the two ends of the second linear spring (92) are connected with the outer side of the fourth sliding rod (93) and the outer side of the third limiting plate (91). Under the action of the second linear spring (92), the third limiting plate (91) is driven to move inward to limit the connecting rod (56), so that the lifting rod (55) can support the power distribution box body (1) without being unable to support the power distribution box body (1) due to the overloading of the power distribution box body (1).

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