A device facilitating the installation of a photovoltaic box transformer

Abstract

The present invention relates to the technical field of substation installation, and more particularly to a device facilitating the installation of a photovoltaic box transformer, including a transformer box, and further including: two leveling mechanisms vertically intersecting in a horizontal plane and disposed on the lower side of the transformer box; the leveling mechanism includes a lower plate and an upper plate, a rotating shaft is fixed to the lower side of the upper plate, the rotating shaft is rotatably connected to the upper side of the lower plate through two vertical plates, a sliding table and a screw rod for driving the sliding table to move are slidably connected to the upper side of the lower plate, an angle adjusting mechanism is disposed between the sliding table and the upper plate, and one end of the sliding table is connected to an adjusting shaft through a clutch mechanism; the clutch mechanism includes a sleeve for connecting or separating the screw rod and the adjusting shaft and a driving mechanism for driving the sleeve to move. The present invention realizes the rapid and accurate adjustment of the level of the upper plate through two leveling mechanisms vertically arranged in a horizontal plane, not only greatly reducing the leveling steps, lowering the leveling difficulty, but also having higher leveling accuracy and improving the installation efficiency of the transformer box.

Description

Technical Field

[0001] The present invention relates to the technical field of substation installation, and more particularly to a device facilitating the installation of photovoltaic box substations. Background Art

[0002] For a photovoltaic box substation, it mainly converts the direct current generated by photovoltaic panels into alternating current through an inverter, and then raises the voltage through a transformer and connects it to the power grid. When large-scale photovoltaic power stations are constructed, multiple box substations need to be installed in a supporting manner. Therefore, higher requirements are put forward for the installation accuracy and installation efficiency of the box substations.

[0003] After retrieval, a Chinese patent with the publication number of CN217848770U discloses an assembled photovoltaic substation capable of rapid installation, including a housing and a plurality of installation bases. A plurality of legs are fixedly connected to the bottom of the housing. A plurality of positioning blocks are fixedly connected to the top of the installation base. A support sleeve is fixedly connected to the bottom of the housing. A threaded rod is threadedly connected inside the support sleeve. A clamping plate is fixedly connected to the bottom end of the threaded rod. A positioning sleeve is sleeved outside the threaded rod. A positioning spring is fixedly connected between the positioning sleeve and the clamping plate. The positioning spring is sleeved outside the threaded rod. A first fixing sleeve is fixedly connected inside the positioning block. A clamping rod is slidably connected inside the first fixing sleeve. A support spring is fixedly connected between the clamping rod and the first fixing sleeve.

[0004] Based on the above retrieval and combined with practical applications, it is found that: this installation structure can achieve the effect of rapidly installing the substation, but the levelness of the installation base needs to be adjusted before installation. Since the terrain of the location where the photovoltaic power station is located is diverse, when leveling the base, it is necessary to adjust the heights of both ends of the base by adding and reducing gaskets, and at the same time measure the horizontal angle of the base with a level to achieve the leveling operation of the base. These operations require a large amount of time, not only greatly reducing the installation efficiency of the substation, but also making it difficult to guarantee the adjustment accuracy. Summary of the Invention

[0005] The purpose of the present invention is to provide a device facilitating the installation of photovoltaic box substations to solve the problems raised in the above background art.

[0006] The technical solution of the present invention is: a device for facilitating the installation of a photovoltaic box transformer, including a transformer box, and further including: two leveling mechanisms that are vertically crossed and arranged on the lower side of the transformer box; the leveling mechanism includes a lower plate and an upper plate, a rotating shaft is fixed on the lower side of the upper plate, the rotating shaft is rotatably connected to the upper side of the lower plate through two vertical plates, a sliding table and a screw rod for driving the sliding table to move are slidably connected to the upper side of the lower plate, an angle adjustment mechanism is arranged between the sliding table and the upper plate, and one end of the sliding table is connected to an adjustment shaft through a clutch mechanism; the clutch mechanism includes a sleeve for connecting or separating the screw rod and the adjustment shaft and a driving mechanism for driving the sleeve to move; a switch structure for conducting the circuit of the driving mechanism when the upper plate is at a horizontal angle is arranged on one of the vertical plates and one end of the rotating shaft; the switch structure includes an inner cylinder fixed at one end of the rotating shaft and an outer cylinder rotatably connected to one side of the vertical plate, two electrode plates are symmetrically arranged on the inner side of the outer cylinder, and two conductive sliding plates are symmetrically and movably arranged on both sides of the inner cylinder.

[0007] Preferably, the driving mechanism includes two fork levers symmetrically and rotatably connected to the upper side of the lower plate through a rotating cylinder, a sliding sleeve slidably arranged on the upper side of the lower plate, and an electromagnet for attracting the sliding sleeve to move. Annular grooves are opened on the outer sides of the sliding sleeve and the sleeve. Two fork slide pins are rotatably connected to both ends of the two fork levers, and the four fork slide pins are respectively in rolling fit with the inner sides of the two annular grooves. The two conductive sliding plates are connected in series in the circuit of the electromagnet in the driving mechanism.

[0008] Preferably, two fixing plates are fixed on the upper side of the lower plate. One end of one of the fixing plates is elastically connected to one end of the sliding sleeve through a return spring, and a guide rod is fixed at one end of the other fixing plate. The guide rod is slidably inserted into the interior of the sliding sleeve.

[0009] Preferably, the sleeve is a spline sleeve, and spline sleeve shafts one and two are respectively fixed on the outer sides of one ends of the screw rod and the adjustment shaft. The sleeve is slidably adapted to the outer sides of the spline sleeve shaft one and the spline sleeve shaft two.

[0010] Preferably, a small gear is rotatably connected to the upper side of the lower plate. A large gear meshing with the small gear is fixed at one end of the adjustment shaft, and a rotating handle is fixed at one end of the small gear.

[0011] Preferably, an insulating partition is fixed on the inner side of the inner cylinder. Both sides of the insulating partition are elastically connected to one ends of the two conductive sliding plates through two elastic pieces respectively.

[0012] Preferably, a suspension rod is fixed on the outer side of the outer cylinder, and a weight is fixed at the end of the suspension rod.

[0013] Preferably, the lower end of the power transformation box is installed with an upper plate located on the upper side through a disassembly and assembly mechanism. The disassembly and assembly mechanism includes a mounting plate arranged on the upper side of the upper plate and four insertion rods fixed to the lower end of the power transformation box. A guide groove cylinder is rotatably connected to the upper side of the mounting plate at a position corresponding to each insertion rod. Each insertion rod is movably adapted to the inner side of each guide groove cylinder. A guide groove is formed in the side wall of each guide groove cylinder, and a locking pin adapted to the guide groove is fixed to the outer side of each insertion rod. A rotation linkage mechanism is further arranged between the four guide groove cylinders. The guide groove includes a vertical groove, a spiral groove, and a horizontal groove formed in the side wall of the guide groove cylinder. The two ends of the spiral groove are smoothly connected to one end of the vertical groove and the horizontal groove respectively.

[0014] Preferably, the rotation linkage mechanism includes a first fixing rod fixed to the outer side of each guide groove cylinder and a central rod fixed to the center position on the upper side of the mounting plate. A second fixing rod is rotatably connected to the outer side of the central rod. The lower end of the second fixing rod is elastically connected to the mounting plate through a torsion spring, and four bearings are fixed to the outer side of the second fixing rod. The four bearings are respectively rotatably connected to the four first fixing rods through connecting rods.

[0015] Preferably, the angle adjustment mechanism includes a chute plate fixed to one end of the lower side of the upper plate and a slider rotatably connected to one end of the upper side of the slide table. An inclined groove is formed inside the chute plate, and the slider is slidably connected to the inner side of the inclined groove.

[0016] The present invention provides a device for facilitating the installation of a photovoltaic power transformation box through improvement. Compared with the prior art, it has the following improvements and advantages:

[0017] First: Through the leveling mechanism of the present invention, when the leveling mechanism is installed on the ground and tilts, the adjusting shaft can drive the screw rod to rotate, and the screw rod drives the slide table and the slider on it to move. The angle of the upper plate can be adjusted through the cooperation between the slider and the inclined groove. At the same time, through the switch structure, only when the two conductive sliders in the switch structure are at a horizontal angle, the two electrode plates will be conducted, so that the electromagnet circuit in the driving mechanism can be conducted, and the sliding sleeve in the clutch mechanism can be instantly driven to move, disconnecting the adjusting shaft and the screw rod, so that the screw rod stops rotating, and then the upper plate stops at a horizontal angle, realizing rapid and accurate adjustment of the levelness of the upper plate. This not only greatly reduces the leveling steps and the leveling difficulty, but also has higher leveling accuracy, improving the installation efficiency of the power transformation box.

[0018] Second: Through the disassembly and assembly mechanism of the present invention, when the two leveling mechanisms adjust the mounting plate of the disassembly and assembly mechanism to be horizontal, the power transformation box can be quickly installed on the upper side of the mounting plate, eliminating the cumbersome steps such as installing bolts, realizing modular rapid installation, and further improving the installation efficiency of the power transformation box. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required for the description of the specific embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0020] Figure 1 Structural schematic diagram of the installation state of the substation in the present invention;

[0021] Figure 2 Structural schematic diagram of the leveling mechanism in the present invention;

[0022] Figure 3 In the present invention Figure 2 Enlarged structural schematic diagram at position A;

[0023] Figure 4 In the present invention Figure 2 Enlarged structural schematic diagram at position B;

[0024] Figure 5 Front view structural schematic diagram of the leveling mechanism in the present invention;

[0025] Figure 6 In the present invention Figure 5 Enlarged structural schematic diagram at position C;

[0026] Figure 7 Structural schematic diagram of the leveling mechanism when it is installed obliquely in the present invention;

[0027] Figure 8 In the present invention Figure 7 Enlarged structural schematic diagram at position D;

[0028] Figure 9 Structural schematic diagram of the upper plate of the leveling mechanism adjusted to the horizontal state in the present invention;

[0029] Figure 10 In the present invention Figure 9 Enlarged structural schematic diagram at position E;

[0030] Figure 11 Arrangement structural schematic diagram of two leveling mechanisms in the present invention;

[0031] Figure 12 In the present invention Figure 11 Enlarged structural schematic diagram at position F;

[0032] Figure 13 In the present invention Figure 1 Enlarged structural schematic diagram at position G.

[0033] Reference numerals:

[0034] 1. Power distribution box; 2. Lower plate; 3. Upper plate; 4. Rotating shaft; 5. Vertical plate; 6. Slide groove plate; 7. Inclined groove; 8. Slide table; 9. Screw rod; 10. Slide block; 11. Adjusting shaft; 101. Sleeve; 102. Spline sleeve shaft one; 103. Spline sleeve shaft two; 104. Fixed plate; 105. Guide rod; 106. Slide sleeve; 107. Annular groove; 108. Rotary drum; 109. Fork; 110. Fork slide pin; 111. Return spring; 112. Electromagnet; 113. Large gear; 114. Small gear; 115. Rotating handle; 201. Outer cylinder; 202. Inner cylinder; 203. Conductive sliding piece; 204. Electrode piece; 205. Insulating partition; 206. Elastic piece; 207. Suspension rod; 208. Plumb bob; 301. Mounting plate; 302. Plug rod; 303. Guide groove cylinder; 304. Vertical groove; 305. Spiral groove; 306. Horizontal groove; 307. Locking pin; 308. First fixing rod; 309. Connecting rod; 310. Center rod; 311. Second fixing rod; 312. Torsion spring; 313. Bearing. Detailed implementation mode

[0035] The present invention will be described in detail below. The technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0036] The present invention provides a device for facilitating the installation of a photovoltaic box transformer through improvement. The technical solution of the present invention is as follows:

[0037] As Figures 1 to 13As shown in the figure, an embodiment of the present invention provides a device for facilitating the installation of a photovoltaic box transformer, including a transformer box 1, and further including: two leveling mechanisms that are vertically crossed and arranged on the lower side of the transformer box 1; the leveling mechanism includes a lower plate 2 and an upper plate 3, a rotating shaft 4 is fixed on the lower side of the upper plate 3, and the rotating shaft 4 is rotatably connected to the upper side of the lower plate 2 through two vertical plates 5. A sliding table 8 and a screw rod 9 for driving the sliding table 8 to move are slidably connected to the upper side of the lower plate 2. An angle adjustment mechanism is arranged between the sliding table 8 and the upper plate 3. One end of the sliding table 8 is connected to an adjustment shaft 11 through a clutch mechanism; the clutch mechanism includes a sleeve 101 for connecting or separating the screw rod 9 and the adjustment shaft 11 and a driving mechanism for driving the sleeve 101 to move; a switch structure for conducting the circuit of the driving mechanism when the upper plate 3 is at a horizontal angle is arranged on one of the vertical plates 5 and one end of the rotating shaft 4; the switch structure includes an inner cylinder 202 fixed at one end of the rotating shaft 4 and an outer cylinder 201 rotatably connected to one side of the vertical plate 5. Two electrode plates 204 are symmetrically arranged on the inner side of the outer cylinder 201. Two conductive sliding plates 203 are symmetrically and movably arranged on both sides of the inner cylinder 202. A suspension rod 207 is fixed on the outer side of the outer cylinder 201, and a weight 208 is fixed at the end of the suspension rod 207.

[0038] Further, the driving mechanism includes two fork levers 109 symmetrically and rotatably connected to the upper side of the lower plate 2 through a rotating cylinder 108, a sliding sleeve 106 slidably arranged on the upper side of the lower plate 2, and an electromagnet 112 for attracting the sliding sleeve 106 to move. Annular grooves 107 are formed on the outer sides of both the sliding sleeve 106 and the sleeve 101. Two fork slide pins 110 are rotatably connected to both ends of the two fork levers 109. The four fork slide pins 110 are respectively in rolling fit with the inner sides of the two annular grooves 107. The two conductive sliding plates 203 are connected in series in the circuit of the electromagnet 112 in the driving mechanism. Two fixing plates 104 are fixed on the upper side of the lower plate 2. One end of one of the fixing plates 104 is elastically connected to one end of the sliding sleeve 106 through a return spring 111. One end of the other fixing plate 104 is fixed with a guide rod 105, and the guide rod 105 is slidably inserted into the interior of the sliding sleeve 106;

[0039] Through the driving mechanism, when the two conductive sliding plates 203 in the switch structure are adjusted to a horizontal angle, the two conductive sliding plates 203 are conducted through the two electrode plates 204, thereby conducting the circuit of the electromagnet 112 in the driving mechanism. Furthermore, the sleeve 101 in the clutch mechanism can be driven to move, playing a role in combining and separating the adjustment shaft 11 and the screw rod 9.

[0040] Further, the sleeve 101 is a spline sleeve. One ends of the outer sides of the screw rod 9 and the adjustment shaft 11 are respectively fixed with a spline sleeve shaft one 102 and a spline sleeve shaft two 103. The sleeve 101 is slidably adapted to the outer sides of the spline sleeve shaft one 102 and the spline sleeve shaft two 103;

[0041] When the sleeve 101 is sleeved outside the spline sleeve shaft one 102 and the spline sleeve shaft two 103 at the same time, the screw 9 and the adjusting shaft 11 can be combined. When the sleeve 101 is separated from the spline sleeve shaft two 103, the screw 9 and the adjusting shaft 11 can be separated.

[0042] Further, a small gear 114 is rotatably connected to the upper side of the lower plate 2. One end of the adjusting shaft 11 is fixed with a large gear 113 meshing with the small gear 114, and one end of the small gear 114 is fixed with a rotating handle 115;

[0043] During leveling, by rotating the small gear 114 to drive the large gear 113 to rotate, the rotation speed of the large gear 113 can be reduced, thereby reducing the rotation speed of the screw 9. Therefore, when the upper plate 3 adjusts the angle, it can rotate more smoothly, which helps to improve the horizontal adjustment accuracy of the upper plate 3.

[0044] Further, an insulating partition 205 is fixed to the inner side of the inner cylinder 202. Both sides of the insulating partition 205 are elastically connected to one end of two conductive sliding plates 203 through two elastic pieces 206 respectively;

[0045] The elastic piece 206 applies a certain thrust to the conductive sliding plate 203, so that one end of the conductive sliding plate 203 fits against the inner side of the outer cylinder 201. When the two conductive sliding plates 203 are adjusted and rotated to the horizontal angle, they can quickly contact the two electrode plates 204, so that the electromagnetic iron 112 circuit in the driving mechanism can be instantly connected.

[0046] Further, the lower end of the power distribution box 1 and an upper plate 3 located on the upper side are installed through a disassembly and assembly mechanism. The disassembly and assembly mechanism includes a mounting plate 301 arranged on the upper side of the upper plate 3 and four insertion rods 302 (as Figure 13 shown) fixed to the lower end of the power distribution box 1. A guide groove cylinder 303 is rotatably connected to the upper side of the mounting plate 301 corresponding to the position of each insertion rod 302. Each insertion rod 302 is respectively movably adapted to the inner side of each guide groove cylinder 303. A guide groove is opened on the side wall of each guide groove cylinder 303. A locking pin 307 adapted to the guide groove is fixed to the outside of each insertion rod 302. A rotation linkage mechanism is further included between the four guide groove cylinders 303. The guide groove includes a vertical groove 304, a spiral groove 305, and a horizontal groove 306 opened on the side wall of the guide groove cylinder 303. The two ends of the spiral groove 305 are respectively and smoothly connected to one end of the vertical groove 304 and the horizontal groove 306. The rotation linkage mechanism includes a first fixing rod 308 fixed to the outside of each guide groove cylinder 303 and a central rod 310 fixed to the center position on the upper side of the mounting plate 301. A second fixing rod 311 is rotatably connected to the outside of the central rod 310. The lower end of the second fixing rod 311 is elastically connected to the mounting plate 301 through a torsion spring 312, and four bearings 313 are fixed to the outside of the second fixing rod 311. The four bearings 313 are respectively rotatably connected to the four first fixing rods 308 through connecting rods 309;

[0047] Through the disassembly and assembly mechanism, when the two leveling mechanisms adjust the mounting plate 301 of the disassembly and assembly mechanism to be horizontal, the power distribution box 1 can be quickly installed on the upper side of the mounting plate 301, eliminating cumbersome steps such as installing bolts, achieving modular and rapid installation, and further improving the installation efficiency of the power distribution box 1.

[0048] Furthermore, the angle adjustment mechanism includes a chute plate 6 fixed to one end of the lower side of the upper plate 3 and a slider 10 rotatably connected to one end of the upper side of the slide table 8 (as Figure 5 shown), an inclined groove 7 is formed inside the chute plate 6, and the slider 10 is slidably connected to the inner side of the inclined groove 7;

[0049] When the screw rod 9 drives the slide table 8 to move, the slide table 8 drives the slider 10 on its upper side to slide inside the inclined groove 7, thereby driving the upper plate 3 and the rotating shaft 4 to rotate, playing a role in adjusting the horizontal angle of the upper plate 3.

[0050] Working principle: When installing the power distribution box 1, it is necessary to adjust the levelness of the power distribution box 1. First, fix the leveling mechanism on the installation ground. The two leveling mechanisms that are vertically crossed in the horizontal plane can respectively adjust the levelness in two directions. When there is a certain inclination in any direction, it will cause the lower plate 2 and the upper plate 3 of the leveling mechanism to tilt at a certain angle simultaneously, as Figure 7 shown in the state. At this time, under the action of the gravity of the weight 208 in the switch structure, the outer cylinder 201 is driven to rotate in the reverse direction by a certain angle through the suspension rod 207. The rotation angle of the outer cylinder 201 is equal to the inclination angle of the lower plate 2 and the upper plate 3 in the leveling mechanism. At this time, the outer cylinder 201 drives the two electrode plates 204 to rotate by an equal angle, so that the two electrode plates 204 are separated from the two conductive sliding plates 203. The connection line between the two electrode plates 204 is always at a horizontal angle. Since the two conductive sliding plates 203 are connected in series in the circuit of the electromagnet 112 in the driving mechanism, the two conductive sliding plates 203 are not electrically connected at this time, so that the circuit of the electromagnet 112 is not electrically connected. At this time, the electromagnet 112 in the driving mechanism does not generate electromagnetic suction on the sliding sleeve 106. Under the elastic force of the return spring 111, the sliding sleeve 106 is pushed to move towards one end close to the guide rod 105. At the same time, through the cooperation between the fork sliding pin 110 and the annular groove 107, the sliding sleeve 106 drives one of the forks 109 close to it to rotate. This fork 109 drives the other fork 109 to rotate in the reverse direction through the rotating cylinder 108, and the other fork 109 drives the sleeve 101 to move in the opposite direction to the sliding sleeve 106, so that the sleeve 101 simultaneously sleevs on the outer sides of the spline sleeve shaft one 102 and the spline sleeve shaft two 103. At this time, the adjusting shaft 11 and the screw rod 9 can be rigidly connected through the sleeve 101. At this time, when the adjusting shaft 11 rotates, the screw rod 9 can be driven to rotate. At this time, the horizontal angle of the upper plate 3 can be adjusted by driving the screw rod 9 to rotate;

[0051] By rotating the handle 115, the small gear 114 is driven to rotate. The small gear 114 drives the large gear 113 to rotate through tooth engagement. The large gear 113 drives the adjusting shaft 11 to rotate. The adjusting shaft 11 drives the spline sleeve shaft two 103 to rotate. The spline sleeve shaft two 103 drives the spline sleeve shaft one 102 to rotate through the sleeve 101, thereby driving the screw rod 9 to rotate. The screw rod 9 drives the slide table 8 to linearly move on the upper side of the lower plate 2 through the thread. The slide table 8 drives the slider 10 on its upper side to slide inside the inclined groove 7, thereby driving the upper plate 3 and the rotating shaft 4 to rotate. When the rotating shaft 4 rotates, it can drive the inner cylinder 202 of the switch structure to rotate. The inner cylinder 202 drives the two conductive sliding pieces 203 to rotate, so that the two conductive sliding pieces 203 rotate towards the positions of the two electrode pieces 204 respectively. Since the connection line between the two electrode pieces 204 is always at a horizontal angle, when the two conductive sliding pieces 203 rotate from an inclined angle to a horizontal angle, the two conductive sliding pieces 203 can just contact the two electrode pieces 204 respectively. Since the two electrode pieces 204 are conducted through a wire, when the two conductive sliding pieces 203 contact the two electrode pieces 204 respectively, the two conductive sliding pieces 203 can be instantaneously conducted through the two electrode pieces 204. Therefore, the circuit of the electromagnet 112 in the driving mechanism can be conducted, making the electromagnet 112 energized to generate electromagnetic attraction on the sliding sleeve 106, driving the sliding sleeve 106 to move towards one end of the electromagnet 112. Through the above principle, the sliding sleeve 106 drives the sleeve 101 to move in the reverse direction through the two fork levers 109, separating the sleeve 101 from the outside of the spline sleeve shaft two 103, thereby separating the spline sleeve shaft two 103 from the spline sleeve shaft one 102, and thus separating the adjusting shaft 11 from the screw rod 9. At this time, the screw rod 9 instantly stops rotating, and the adjusting shaft 11 no longer drives the screw rod 9 to rotate when rotating. At this time, the upper plate 3 has rotated to a horizontal angle and no longer continues to rotate, as Figure 9 shown in the state. Therefore, it can quickly and accurately adjust the levelness of the upper plate 3, not only greatly reducing the leveling steps, lowering the leveling difficulty, but also having higher leveling accuracy and improving the installation efficiency of the power distribution box 1;

[0052] Through the above steps, the two mutually perpendicular leveling mechanisms are adjusted respectively, so that the entire surface of the mounting plate 301 of the disassembly and assembly mechanism is completely horizontal. Then, the power distribution box 1 is hoisted above the mounting plate 301, and the four insertion rods 302 at the lower end of the power distribution box 1 are respectively inserted into the inner sides of the four guide groove cylinders 303. The locking pins 307 on the outer sides of each insertion rod 302 respectively slide into the inner sides of the vertical grooves 304 at the corresponding positions, and then slide into the inner sides of the spiral grooves 305. The locking pin 307 applies pressure to one side of the spiral groove 305, thereby driving the guide groove cylinder 303 to rotate by a certain angle. When each guide groove cylinder 303 rotates, it drives the second fixed rod 311 to rotate through the corresponding first fixed rod 308, connecting rod 309, and bearing 313. The rotation of the second fixed rod 311 drives the torsion spring 312 to twist by the same angle. When multiple locking pins 307 slide from the inner side of the spiral groove 305 into the inner side of the horizontal groove 306, at this time, the torsion spring 312 releases elastic force, driving the second fixed rod 311 to rotate in the reverse direction, and driving the four guide groove cylinders 303 to rotate in the reverse direction through the bearing 313, connecting rod 309, and first fixed rod 308, so that multiple locking pins 307 respectively move to one end of each horizontal groove 306, thereby locking each locking pin 307 inside each horizontal groove 306, as Figure 13 shown. Therefore, when installing and fixing the power distribution box 1, the cumbersome steps such as installing bolts are omitted, modular rapid installation is realized, and the installation efficiency of the power distribution box 1 is further improved.

[0053] The above description enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to these embodiments shown herein, but will be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A device facilitating the installation of a photovoltaic box transformer, comprising a transformer box, characterized in that, It further includes: Two leveling mechanisms that are vertically crossed and arranged on the lower side of the power distribution box; The leveling mechanism includes a lower plate and an upper plate. A rotating shaft is fixed on the lower side of the upper plate. The rotating shaft is rotatably connected to the upper side of the lower plate through two vertical plates. A sliding table and a screw rod for driving the sliding table to move are slidably connected to the upper side of the lower plate. An angle adjustment mechanism is arranged between the sliding table and the upper plate. One end of the sliding table is connected to an adjustment shaft through a clutch mechanism; The clutch mechanism includes a sleeve for connecting or disconnecting the screw rod and the adjustment shaft and a driving mechanism for driving the sleeve to move; A switch structure for conducting the circuit of the driving mechanism when the upper plate is at a horizontal angle is arranged on one of the vertical plates and one end of the rotating shaft; The switch structure includes an inner cylinder fixed at one end of the rotating shaft and an outer cylinder rotatably connected to one side of the vertical plate. Two electrode plates are symmetrically arranged on the inner side of the outer cylinder. Two conductive sliding plates are symmetrically and movably arranged on both sides of the inner cylinder.

2. The device for facilitating the installation of a photovoltaic box transformer according to claim 1, characterized in that: The driving mechanism includes two fork levers symmetrically and rotatably connected to the upper side of the lower plate through a rotating cylinder, a sliding sleeve slidably arranged on the upper side of the lower plate, and an electromagnet for attracting the sliding sleeve to move. Annular grooves are formed on the outer sides of the sliding sleeve and the sleeve. Two fork slide pins are rotatably connected to both ends of the two fork levers. The four fork slide pins are respectively in rolling fit with the inner sides of the two annular grooves. The two conductive sliding plates are connected in series in the circuit of the electromagnet (112) in the driving mechanism.

3. The device for facilitating the installation of a photovoltaic box transformer according to claim 2, wherein: Two fixing plates are fixed on the upper side of the lower plate. One end of one of the fixing plates is elastically connected to one end of the sliding sleeve through a return spring. A guide rod is fixed at one end of the other fixing plate. The guide rod is slidably inserted into the interior of the sliding sleeve.

4. The device for facilitating the installation of a photovoltaic box transformer according to claim 1, wherein: The sleeve is a spline sleeve. One end of the outer sides of the screw rod and the adjustment shaft are respectively fixed with a spline sleeve shaft one and a spline sleeve shaft two. The sleeve is slidably adapted to the outer sides of the spline sleeve shaft one and the spline sleeve shaft two.

5. The device for facilitating the installation of a photovoltaic box transformer according to claim 1, wherein: A small gear is rotatably connected to the upper side of the lower plate. One end of the adjustment shaft is fixed with a large gear meshing with the small gear. One end of the small gear is fixed with a rotating handle.

6. The device for facilitating the installation of a photovoltaic box transformer according to claim 1, wherein: An insulating partition is fixed on the inner side of the inner cylinder. Both sides of the insulating partition are elastically connected to one end of the two conductive sliding plates through two elastic pieces respectively.

7. The device for facilitating the installation of a photovoltaic box transformer according to claim 1, characterized in that: A suspension rod is fixed on the outer side of the outer cylinder. A plumb bob is fixed at the end of the suspension rod.

8. The device for facilitating the installation of a photovoltaic box transformer according to claim 1, wherein: The lower end of the power distribution box and an upper plate located on the upper side are installed through a disassembly and assembly mechanism. The disassembly and assembly mechanism includes a mounting plate arranged on the upper side of the upper plate, four insertion rods fixed at the lower end of the power distribution box. A guide groove cylinder is rotatably connected to the upper side of the mounting plate corresponding to the position of each insertion rod. Each insertion rod is respectively movably adapted to the inner side of each guide groove cylinder. A guide groove is formed on the side wall of each guide groove cylinder. A locking pin adapted to the guide groove is fixed on the outer side of each insertion rod. A rotation linkage mechanism is further arranged between the four guide groove cylinders. The guide groove includes a vertical groove, a spiral groove, and a horizontal groove formed on the side wall of the guide groove cylinder. The two ends of the spiral groove are respectively smoothly connected to one end of the vertical groove and the horizontal groove.

9. The device for facilitating the installation of a photovoltaic box transformer according to claim 8, wherein: The rotation linkage mechanism includes a first fixing rod fixed on the outer side of each guide groove cylinder and a central rod fixed at the central position on the upper side of the mounting plate. A second fixing rod is rotatably connected to the outer side of the central rod. The lower end of the second fixing rod is elastically connected to the mounting plate through a torsion spring. Four bearings are fixed on the outer side of the second fixing rod. The four bearings are respectively rotatably connected to the four first fixing rods through connecting rods.

10. The device for facilitating the installation of a photovoltaic box transformer according to claim 1, characterized in that: The angle adjustment mechanism includes a chute plate fixed to one end of the lower side of the upper plate and a slider rotatably connected to one end of the upper side of the slide table. An inclined chute is provided inside the chute plate, and the slider is slidably connected to the inner side of the inclined chute.

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