CN115539201A - Rain-proof device of generator set - Google Patents

Abstract

The invention provides a rain-proof device of a generator set, which comprises a case, wherein the case is square, and two side walls of the case which are arranged oppositely are provided with openings; the two side plates are arranged, and one side edges of the two side plates are in one-to-one correspondence and are rotatably connected to the side walls of the tops of the two openings on the case; two top plates are arranged, one side edges of the two top plates are rotationally connected, and the two top plates are arranged above the case and extend out of two side walls which are oppositely arranged to the case; the first driving assembly comprises a first connecting assembly connected with the two top plates, two second connecting assemblies connected with the two side plates in a one-to-one correspondence mode, and a third connecting assembly connected between the first connecting assembly and each second connecting assembly, and is used for adjusting included angles between the two top plates and the two side plates. The invention provides a rain-proof device of a generator set, which has a flexible and adjustable structure, does not occupy too much installation space, and can be converted into different extension states under different weather conditions to realize effective protection of the generator set.

Description

Rain-proof device of generator set

Technical Field

The invention relates to the technical field of generator equipment, in particular to a rainproof device for a generator set.

Background

In the period of rapid economic development in China, the generator set is used in a large scale by a plurality of industries, but when the generator set works outdoors, the normal work is affected by the conditions that water enters and the like possibly in rainy days. The generating set rain insensitive device commonly used at present includes weather enclosure and folding tent two kinds, but all has certain defect separately: 1. the size of the rain-proof shed is large, and if the generator set is to be protected comprehensively in the weather, the generator set needs to be laid in a large range, so that the occupied area is increased, and the manufacturing cost is increased; 2. the folding tent needs to be assembled and unfolded for use, and is generally preferably installed on the ground or a position close to the ground so as to be convenient for storage and transportation, and also has the defect of large volume; 3. the structures of the rain-proof shed and the folding tent are fixed or relatively fixed, and cannot be adjusted according to actual use conditions, such as changing the angle of the rain-proof shed to facilitate water guide, increasing the coverage protection range when the rainfall is large, and the like.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a rainproof device for a generator set, which is flexible and adjustable in structure, does not occupy excessive installation space, and can be switched into different extension states in different weather conditions to realize effective protection of the generator set.

According to an embodiment of the invention, a rain protection device for a generator set comprises: the power generating set comprises a square case, wherein two opposite side walls of the square case are provided with openings, and a power generating set is placed in the case; the two side plates are arranged, and one side edges of the two side plates are in one-to-one correspondence and are rotatably connected to the side walls of the tops of the two openings on the case; the two top plates are arranged above the case and extend out of two opposite side walls of the case, and the projections of the two top plates and the two side plates at the bottom of the case are distributed on different side walls of the case; the first driving assembly comprises a first connecting assembly connected with the two top plates, two second connecting assemblies connected with the two side plates in a one-to-one correspondence mode and third connecting assemblies connected between the first connecting assembly and each second connecting assembly, and the first connecting assembly is used for adjusting an included angle between the two top plates and adjusting an included angle between the two side plates through the two third connecting assemblies and the two second connecting assemblies.

The technical principle of the invention is as follows: under the initial condition, place two roof levels, can protect the little rain that the rainfall is not big, two openings of the board laminating machine case of both sides this moment, can not occupy too much space and also can assist and play certain rain-proof effect, when the rainfall grow, can drive two roofs and draw close to the middle part of quick-witted case through first coupling assembling, form one and fall "V" type structure, carry out quick water conservancy diversion to the rainwater, prevent to gather, simultaneously, first coupling assembling also can drive the certain angle of the board upwards deflection of both sides simultaneously through the transmission of second coupling assembling and third coupling assembling, make its lateral wall with quick-witted case form certain contained angle, cooperate with the roof to carry out all around to quick-witted case comprehensively, effectual protection.

Preferably, the two top plates are rotatably connected through a fixed shaft; the first connecting component comprises a threaded rod rotatably connected to the lower end of the fixed shaft, a push block in threaded connection with the threaded rod and a connecting sleeve sleeved on the threaded rod in a sliding manner, and the push block is positioned below the connecting sleeve and is rotatably connected with the connecting sleeve; the connecting sleeve is hinged with two connecting rods, and the two connecting rods are hinged with the two top plates in a one-to-one correspondence manner.

Through adopting above-mentioned technical scheme, first connecting element can drive the adapter sleeve through the ejector pad and be vertical upwards or downstream, and then makes two roof draw close and form "V" type structure of falling or resume initial horizontality to two roof pass through the fixed axle and connect, can realize the stable transform between the different extension states.

Preferably, the second connecting assemblies each comprise a first bevel gear, a second bevel gear meshed with the first bevel gear, a worm coaxially connected with the second bevel gear, and a worm wheel meshed with the worm, and the worm is rotatably connected with the case; both side plates are provided with deflection shafts for rotationally connecting with the case, and the worm wheel is coaxially connected with the deflection shafts.

Through adopting above-mentioned technical scheme, the second coupling assembling can drive both sides board simultaneously and take place the deflection of certain angle, makes the reinforcing to the effective protection of quick-witted incasement generating set.

Preferably, the third connecting assembly comprises a driving wheel, a transmission shaft coaxially connected with the first bevel gear, a driven wheel coaxially connected with the transmission shaft, and a transmission belt sleeved on the periphery of the driving wheel and the driven wheel, and the transmission shaft is rotatably connected with the case.

Through adopting above-mentioned technical scheme, the first bevel gear of action wheel, follow driving wheel and drive belt can the stable drive rotates, and then when two roof of drive remove, can drive both sides board in step and upwards deflect certain angle, come to protect the machine case comprehensively.

Preferably, the first driving assembly further comprises a motor, the motor is fixedly installed in the case, and an output shaft of the motor is coaxially connected with the threaded rod and the first bevel gear.

Through adopting above-mentioned technical scheme, the motor can stably drive two roof and both sides board and rotate.

Preferably, the fan is further included, the upper end of the case is provided with a mounting box in a communication manner through a perforated plate, and the first driving assembly is arranged in the mounting box; the fan sets up in the top of perforated plate and its air outlet inside towards the quick-witted case, and the fan is connected with second drive assembly.

Through adopting above-mentioned technical scheme, the fan rotates and to accelerate the inside air flow of quick-witted case, avoids the water smoke that produces because of the rainy day to get into quick-witted incasement, prevents that generating set from weing.

Preferably, the second driving assembly comprises a water collecting tank arranged above the top plate, a water pipe communicated with the water collecting tank, a fourth bevel gear coaxially connected with the fan, a third bevel gear meshed with the fourth bevel gear and an impeller coaxially connected with the third bevel gear, and the water pipe is communicated with a connecting hole formed in the side wall of the mounting box; the impeller is rotationally arranged in the water pipe and is driven to rotate by rainwater flowing in the water pipe; the inside of water catch bowl still is equipped with quantitative drainage subassembly.

By adopting the technical scheme, the rainwater is used as a power source to drive the fan to rotate, so that the manufacturing cost of the device can be reduced, and the expenditure is reduced.

Preferably, the quantitative water discharging assembly comprises two water baffles for sealing a water outlet of the water collecting tank, and the two water baffles are connected with the inner wall of the water collecting tank through an elastic connecting piece; when the rain collecting amount in the water collecting tank reaches a set value, the elastic connecting piece is started to separate the two water baffles from sealing the water outlet.

Through adopting above-mentioned technical scheme, can let in the rainwater in the water pipe again after the rainwater in the water catch bowl reaches a quantitative for rivers can keep powerful velocity of flow, and then drive the impeller and rotate.

Compared with the prior art, the invention has the following beneficial effects:

1. in this device, the structure of two roof and both sides board is all nimble adjustable, can be under first coupling assembling, second coupling assembling and third coupling assembling's transmission effect, and the synchronous switch state realizes effective, comprehensive protection to quick-witted incasement portion generating set: the two top plates are rotatably connected and arranged above the case, so that effective rainproof protection can be performed in heavy rain weather, and the rainwater diversion speed can be accelerated; the two side plates can be attached to the outer wall of the case to be stored in light rain, unnecessary installation space is not occupied, certain rain-proof effect is achieved, and when rainfall becomes large, the two side plates and the two top plates can change the deflection angle synchronously, and rain-proof protection with better effect is conducted on the side edge of the case.

Drawings

FIG. 1 is a schematic side view of the present invention;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic view of the internal structure of the present invention;

FIG. 4 is a schematic view of a partial connection structure according to the present invention;

FIG. 5 is a second schematic view of a partial connection structure according to the present invention.

In the above drawings: the device comprises a case 1, a top plate 2, side plates 3, a fixed shaft 4, a threaded rod 5, a push block 6, a connecting sleeve 7, a connecting rod 8, a first bevel gear 9, a second bevel gear 10, a worm 11, a worm wheel 12, a deflection shaft 13, a driving wheel 14, a transmission shaft 15, a driven wheel 16, a transmission belt 17, a motor 18, a fan 19, a mounting box 20, a water collecting tank 21, a water pipe 22, an impeller 23, a third bevel gear 24, a fourth bevel gear 25 and a water baffle 26.

Detailed Description

The technical solution of the present invention is further described with reference to the drawings and the embodiments.

As shown in fig. 1 and fig. 2, an embodiment of the present invention provides a rain protection device for a generator set, including: the generator set comprises a case 1, wherein the case 1 is square, openings are formed in two opposite side walls of the case 1, and a generator set is placed in the case 1; two side plates 3 are arranged, and one side of each side plate 3 is rotationally connected to the side walls of the tops of the two openings on the case 1 in a one-to-one correspondence manner; the top plates 2 are provided with two top plates 2, one side edges of the two top plates 2 are rotationally connected, the two top plates 2 are arranged above the case 1 and extend out of two opposite side walls of the case 1, and the projections of the two top plates 2 and the two side plates 3 at the bottom of the case 1 are distributed on different side walls of the case 1; first drive assembly, first drive assembly include with two roof 2 all be connected first coupling assembling, with two second coupling assembling that 3 one-to-ones on both sides board are connected and all the third coupling assembling that links to each other between first coupling assembling and every second coupling assembling, first coupling assembling is used for adjusting the contained angle between two roof 2 and adjusts the contained angle between two side boards 3 afterwards through two third coupling assembling and two second coupling assembling transmissions.

The detailed working process of the embodiment is as follows: when the rain does not fall or rains, the two top plates 2 are arranged to be in a horizontal state for rain prevention, at the moment, the two side plates 3 are attached to the two openings of the case 1, so that excessive space is not occupied, and a certain rain prevention effect on a generator set in the case 1 can be achieved; when heavy rain falls, a side that does not meet through first coupling assembly makes two roof 2 draws close each other, form "V" type structure of falling of a similar roof, compare in the horizontality, can be more favorable to deriving the rainwater, prevent that the rainwater from gathering in quick-witted case 1's upper end, and simultaneously, first coupling assembly is under second coupling assembly and third coupling assembly and drive action, the curb plate 3 that can drive other both sides in step all upwards overturns certain angle, form one and can block and derive the contained angle of rainwater fast, cooperate two roof 2 all to carry out rain-proof protection around quick-witted case 1. In the embodiment, the top plate 2 is arranged to cover the periphery of the case 1 in a proper range for rain protection no matter the top plate is inclined or horizontal; furthermore, in order to prevent rainwater from entering the case 1 after accumulating on the ground, bottom blocking plates are fixedly connected to two bottom side walls of the case 1 with openings, so that rainwater can be prevented from entering the case 1.

As shown in fig. 1 and 2, according to another embodiment of the present invention, a rain guard for a generator set, wherein two top plates 2 are rotatably connected by a fixed shaft 4; the first connecting component comprises a threaded rod 5 rotatably connected to the lower end of the fixed shaft 4, a push block 6 in threaded connection with the threaded rod 5 and a connecting sleeve 7 sleeved on the threaded rod 5 in a sliding manner, and the push block 6 is located below the connecting sleeve 7 and is rotatably connected with the connecting sleeve 7; two connecting rods 8 are hinged on the connecting sleeve 7, and the two connecting rods 8 are correspondingly hinged with the two top plates 2 one by one.

The detailed working process of the embodiment is as follows: the fixed shaft 4 is fixedly arranged at the center of the upper part of the case 1 through a connecting seat, one side edge of the top plate 2 close to the fixed shaft 4 is rotatably sleeved on the fixed shaft 4, the threaded rod 5 penetrates out of the case 1 upwards and then is connected with the fixed shaft 4, the threaded rod 5 rotates to drive the push block 6 to move up and down along the length direction of the threaded rod 5, at the moment, because the push block 6 is rotatably connected with the connecting sleeve 7, the push block 6 cannot drive the connecting sleeve 7 to rotate, but only can drive the connecting sleeve 7 to move up and down through the up and down movement of the connecting sleeve, when the connecting sleeve 7 moves down, one end of the connecting rod 8 is driven to move down, at the moment, the whole length of the connecting rod 8 is unchanged, in order to adapt to the height position change of one end of the connecting rod, the other end can pull the two top plates 2 rotatably connected with the fixed shaft 4 to approach to be inclined downwards, and an inverted V-shaped structure capable of quickly guiding rain is formed; when the connecting sleeve 7 moves upwards, one end of the connecting rod 8 moves upwards, and similarly, because the length of the connecting rod is unchanged, the other end drives the two top plates 2 to deflect upwards to restore to a horizontal state. In this embodiment, can install a spring between adapter sleeve 7 and fixed axle 4, adapter sleeve 7 reciprocates, can drive the spring and take place compression or tensile deformation, and then the stability when increasing two roof 2 and removing.

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, according to another embodiment of the present invention, a generator set rainproof device, wherein the second connecting assemblies each comprise a first bevel gear 9, a second bevel gear 10 engaged with the first bevel gear 9, a worm 11 coaxially connected with the second bevel gear 10, and a worm wheel 12 engaged with the worm 11, the worm 11 is rotatably connected with the case 1; the two side plates 3 are respectively provided with a deflection shaft 13 to be rotationally connected with the case 1, and the worm wheel 12 is coaxially connected with the deflection shaft 13.

The detailed working process of the embodiment is as follows: when the first bevel gear 9 rotates, the second bevel gear 10 is engaged to rotate, so that the worm 11 coaxially connected with the first bevel gear can rotate along with the first bevel gear, the worm 11 is driven to rotate by the worm wheel 12 engaged with the worm 11 while rotating, the worm wheel 12 is coaxially connected with the deflection shaft 13, the worm wheel 12 rotates to drive the deflection shaft 13 to rotate by a certain angle, and further the side plate 3 fixedly connected with the deflection shaft 13 is driven to rotate, so that the side plate 3 can obtain an included angle, and the inclined rain-sheltering form is switched to be an inclined rain-sheltering form to cooperate with the two inclined top plates 2 to comprehensively protect a generator set in the case 1. In this embodiment, a connecting hole through which the deflecting shaft 13 and the worm wheel 12 penetrate is formed in the side wall of the case 1, and the upper end of the side plate 3 is fixedly connected with the deflecting shaft 13, so that the side plate 3 can perform rain protection on the case 1 to the greatest extent when deflecting upwards.

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, according to another embodiment of the present invention, a rain protection device for a generator set, wherein the third connecting assemblies each include a driving wheel 14, a transmission shaft 15 coaxially connected to the first bevel gear 9, a driven wheel 16 coaxially connected to the transmission shaft 15, and a transmission belt 17 disposed around the driving wheel 14 and the driven wheel 16, and the transmission shaft 15 is rotatably connected to the case 1.

The detailed working process of the embodiment is as follows: when first bevel gear 9 rotated, action wheel 14 also can rotate, and action wheel 14 and then through the effect of drive belt 17, drives from driving wheel 16 and rather than coaxial coupling's transmission shaft 15 and rotate, makes can drive the curb plate 3 of both sides upwards to deflect simultaneously, forms comprehensive rain-proof protective structure with the roof 2 of two slopes in step.

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, according to another embodiment of the present invention, a rain protection device for a generator set, wherein the first driving assembly further includes a motor 18, the motor 18 is fixedly installed in the case 1, and an output shaft of the motor 18 is coaxially connected to both the threaded rod 5 and the first bevel gear 9.

The detailed working process of the embodiment is as follows: a motor 18 is fixedly arranged inside a case 1 through a mounting seat, a threaded rod 5 is coaxially connected to an output shaft of the motor 18 to drive two top plates 2 to incline, and a driving wheel 14 is coaxially connected to the output shaft of the motor 18 to drive two side plates 3 to turn over, so that comprehensive and effective protection on a generator set inside the case 1 can be realized; further, in the in-service use, it is two-way motor 18 to set up motor 18, its output shaft can positive and negative rotation promptly, and then can drive two roof 2 and 3 slopes of both sides board and protect generating set when heavy rain, also can drive two roof 2 and both sides board 3 and resume initial state when not having rain or light rain, and two roof 2 level are placed and are carried out rain-proof protection to generating set promptly, and both sides board 3 then the outer wall of laminating machine case 1 is accomodate, does not account for the space.

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, according to another embodiment of the present invention, a rain protection device for a generator set further includes a fan 19, an upper end of the case 1 is communicated with a mounting box 20 through a porous plate, and a first driving assembly is disposed in the mounting box 20; the fan 19 is arranged above the porous plate, an air outlet of the fan faces the inside of the case 1, and the fan 19 is connected with a second driving assembly.

The detailed working process of the embodiment is as follows: place generating set in the inside of quick-witted case 1, set up simultaneously and communicate each other through the perforated plate between quick-witted case 1 and the install bin 20, be equipped with a plurality of holes on the board promptly, generating set can accept fan 19 air supplies through this perforated plate, promotes the inside air flow of quick-witted case 1, will disperse because of the water smoke that rains and produce, prevents that electrical component such as generating set from weing.

As shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, according to another embodiment of the present invention, a rain protection device for a generator set, wherein a second driving assembly includes a water collecting tank 21 disposed above a top plate 2, a water pipe 22 communicated with the water collecting tank 21, a fourth bevel gear 25 coaxially connected with a fan 19, a third bevel gear 24 engaged with the fourth bevel gear 25, and an impeller 23 coaxially connected with the third bevel gear 24, the water pipe 22 being communicated with a connection hole opened on a side wall of a mounting case 20; the impeller 23 is rotatably arranged in the water pipe 22 and is driven to rotate by rainwater flowing in the water pipe 22; the inside of the sump 21 is also provided with a quantitative drain assembly.

The detailed working process of the embodiment is as follows: when a certain amount of rainwater is collected in the water collecting tank 21, a large amount of accumulated rainwater can be guided into the water pipe 22 through the quantitative water discharging assembly, at the moment, the rainwater flowing down rapidly contacts and collides with the impeller 23, the impeller 23 can be driven to rotate continuously in the water pipe 22, the impeller 23 further drives the third bevel gear 24 to rotate, the third bevel gear 24 is meshed with the fourth bevel gear 25 to rotate, the fan 19 can be driven to rotate above the porous plate, air is supplied to the inside of the case 1, accumulated water mist is dispersed, air circulation in the case 1 is accelerated, the rainwater flowing through the impeller 23 continuously flows along the water pipe 22, and finally is discharged out of the device and falls along the inclined side plate 3. In this embodiment, the fan 19 includes a rotating shaft coaxially connected to the fourth bevel gear 25 and a plurality of blades fixedly connected to the rotating shaft, and the fourth bevel gear 25 drives the rotating shaft to rotate, so as to drive the blades to rotate, thereby supplying air to the inside of the chassis 1; furthermore, since the amount of water mist is correspondingly increased in heavy rainy days, the collecting tank is arranged to collect rainwater, and the rainwater is used to drive the fan 19 to rotate and disperse the water mist, wherein when the rainwater collected in the water collecting tank 21 reaches a certain amount and then flows into the water pipe 22, the water collecting tank 21 can continuously collect the rainwater because the outside is still raining, and the amount of rainwater in the water collecting tank 21 is maintained at a level that the quantitative water discharging assembly can be started to continuously guide the water into the water pipe 22.

As shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, according to another embodiment of the present invention, a rain protection device for a generator set, wherein a quantitative water discharge assembly includes two water baffles 26 sealed against a water discharge opening of a water collection tank 21, and the two water baffles 26 are connected to an inner wall of the water collection tank 21 by an elastic connection member; when the amount of rain collected in sump 21 reaches a set value, the elastic connection is activated to disengage the two water baffles 26 from the seal against the drain opening.

The detailed working process of the embodiment is as follows: it is powerful torsional spring to set up elastic connection spare, two breakwaters 26 all come to rotate with the inner wall of water catch bowl 21 through powerful torsional spring promptly, one of them torque arm of powerful torsional spring is fixed to be inlayed and is established the inner wall at water catch bowl 21, another one torque arm then with breakwater 26 fixed connection, then when the rainfall in the water catch bowl 21 reaches certain degree, its pressure can exceed the holding power of powerful torsional spring, make two breakwaters 26 simultaneously by the rainwater wash down, the outlet slope towards rain catch bowl drains, make the rainwater can get into in the water pipe 22, drive fan 19 as the power supply and rotate.

The implementation principle of the embodiment of the application is as follows: in the weather without rain or light rain, the two top plates 2 and the two side plates 3 are in the initial state, namely, the two top plates 2 are horizontally arranged at the top of the case 1 to prevent rain from entering the case 1, and the two side plates 3 are respectively vertically shielded at openings at two sides of the case 1, so that redundant installation space cannot be occupied, and a certain rain shielding effect can be achieved; under the weather of heavy rain, starter motor 18, the output shaft of motor 18 passes through threaded rod 5, ejector pad 6, the effect of adapter sleeve 7 and connecting rod 8 etc, can drive two roof 2 simultaneously and draw close to the middle part of quick-witted case 1, form "V" type structure of inversion, come to carry out the water conservancy diversion to the rainwater, prevent to gather, simultaneously, the output shaft of motor 18 passes through action wheel 14, from driving wheel 16, the effect of drive belt 17 etc, can drive worm wheel 12 meshing worm 11 and rotate, make deflection shaft 13 rotate, and then drive two curb plates 3 upwards certain angles of overturning in step, also form certain contained angle and carry out rain-proof protection, the realization is to generating set comprehensive protection all around.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims (8)

1. The utility model provides a generating set rain insensitive device which characterized in that includes:

the generator set is characterized by comprising a case (1), wherein the case (1) is square, openings are formed in two opposite side walls of the case (1), and a generator set is placed in the case (1);

the side plates (3) are arranged, one side of each side plate (3) corresponds to one side of the corresponding side plate (3) and is rotatably connected to the side walls of the tops of the two openings on the case (1);

the top plates (2) are provided with two side edges of the two top plates (2) which are connected in a rotating mode, the two top plates (2) are arranged above the case (1) and extend out of two opposite side walls of the case (1), and the projections of the two top plates (2) and the two side plates (3) on the bottom of the case (1) are distributed on different side walls of the case (1);

first drive assembly, first drive assembly includes the first coupling assembling who all is connected with two roof (2), two second coupling assembling that are connected with both sides board (3) one-to-one and all the third coupling assembling that links to each other between first coupling assembling and every second coupling assembling, first coupling assembling is used for adjusting the contained angle between two roof (2) and adjusts the contained angle between both sides board (3) afterwards through two third coupling assembling and two second coupling assembling transmissions.

2. The rainproof device of a generator set according to claim 1, wherein: the two top plates (2) are rotationally connected through a fixed shaft (4); the first connecting component comprises a threaded rod (5) rotatably connected to the lower end of the fixed shaft (4), a push block (6) in threaded connection with the threaded rod (5) and a connecting sleeve (7) sleeved on the threaded rod (5) in a sliding manner, and the push block (6) is located below the connecting sleeve (7) and is rotatably connected with the connecting sleeve (7); the connecting sleeve (7) is hinged with two connecting rods (8), and the two connecting rods (8) are hinged with the two top plates (2) in a one-to-one correspondence manner.

3. The rainproof device of a generator set according to claim 2, wherein: the second connecting assemblies respectively comprise a first bevel gear (9), a second bevel gear (10) meshed with the first bevel gear (9), a worm (11) coaxially connected with the second bevel gear (10) and a worm wheel (12) meshed with the worm (11), and the worm (11) is rotatably connected with the case (1); both side plates (3) are provided with deflection shafts (13) to be rotationally connected with the case (1), and the worm wheel (12) is coaxially connected with the deflection shafts (13).

4. A rain protection device for a generator set according to claim 3, characterised in that: third coupling assembling all includes action wheel (14), with transmission shaft (15) of first bevel gear (9) coaxial coupling, with transmission shaft (15) coaxial coupling from driving wheel (16) and cover establish drive belt (17) at action wheel (14) and follow driving wheel (16) periphery, transmission shaft (15) are connected with quick-witted case (1) rotation.

5. The rainproof device of a generator set according to claim 4, wherein: the first driving assembly further comprises a motor (18), the motor (18) is fixedly installed in the case (1), and an output shaft of the motor (18) is coaxially connected with the threaded rod (5) and the first bevel gear (9).

6. The rainproof device of a generator set according to claim 1, wherein: the fan is characterized by further comprising a fan (19), the upper end of the case (1) is communicated with a mounting box (20) through a porous plate, and the first driving assembly is arranged in the mounting box (20); the fan (19) is arranged above the porous plate, an air outlet of the fan faces the interior of the case (1), and the fan (19) is connected with a second driving assembly.

7. The rainproof device of claim 6, wherein: the second driving assembly comprises a water collecting tank (21) arranged above the top plate (2), a water pipe (22) communicated with the water collecting tank (21), a fourth bevel gear (25) coaxially connected with the fan (19), a third bevel gear (24) meshed with the fourth bevel gear (25) and an impeller (23) coaxially connected with the third bevel gear (24), and the water pipe (22) is communicated with a connecting hole formed in the side wall of the mounting box (20); the impeller (23) is rotatably arranged in the water pipe (22) and is driven to rotate by rainwater flowing in the water pipe (22); and a quantitative drainage component is also arranged in the water collecting tank (21).

8. The rain protection device of a generator set of claim 7, wherein: the quantitative water discharging assembly comprises two water baffles (26) for sealing a water outlet of the water collecting tank (21), and the two water baffles (26) are connected with the inner wall of the water collecting tank (21) through an elastic connecting piece; when the rain collection amount in the water collection tank (21) reaches a set value, the elastic connecting piece is started to separate the two water baffles (26) from sealing the water outlet.

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