CN210464800U - Water comprehensive test equipment for automobile skylight rain test - Google Patents

Abstract

The utility model relates to a water comprehensive test device for a rain test of an automobile skylight, which comprises a frame, and further comprises a chassis water receiving device, a vehicle body assembling and supporting device, an angle adjusting and supporting device, a water path spraying device and an electrical control cabinet, wherein the chassis water receiving device is positioned at the bottom of the frame; the waterway spraying devices are distributed in the frame and used for spraying and irrigating the skylight. The utility model discloses simple structure, convenient to use, the utility model discloses not only can satisfy each motorcycle type size skylight and carry out the experiment of watering that drenches with the rain, can realize the accurate simulation to the volume of drenching with the rain and the volume of watering through water route spray set, control water yield and water velocity simulate different scenes from this.

Description

Water comprehensive test equipment for automobile skylight rain test

Technical Field

The utility model relates to an automotive equipment test field especially relates to a water combined test equipment for sunroof rain test.

Background

When making the sunroof, need detect the leakproofness and the drainage of sunroof, thereby traditional sunroof structure of drenching with rain mainly focuses on how to be convenient for the measurement personnel to survey and not cause the erroneous judgement at present, but when needs detect the experimental condition of drenching with rain of sunroof under different angle inclination states, it does not possess the function with sunroof slope. And the traditional skylight rain structure can only meet the test of one type of vehicle body skylight, and needs redesign and optimization when various specifications of skylight are needed, thereby greatly improving the test cost.

SUMMERY OF THE UTILITY MODEL

The applicant carries out research and improvement aiming at the existing problems, and provides a water comprehensive test device for a rain test of an automobile skylight.

The utility model discloses the technical scheme who adopts as follows:

a water comprehensive test device for a rain test of an automobile skylight comprises a rack, a chassis water receiving device, a vehicle body assembling and supporting device, an angle adjusting and supporting device, a waterway spraying device and an electrical control cabinet, wherein the chassis water receiving device is positioned at the bottom of the rack; the waterway spraying devices are distributed in the frame and used for spraying and irrigating the skylight.

The further technical scheme is as follows:

the waterway spraying device comprises an upper spraying mechanism and a lower watering mechanism which are connected in series, the upper spraying mechanism is used for simulating a rain test of the automobile skylight, and the lower watering mechanism is used for simulating a watering test of the automobile skylight; the upper spraying mechanism is positioned at the top of the rack, the lower watering devices are distributed around the vehicle body assembly supporting device, and the upper spraying mechanism and the lower watering devices are both supplied with water by an external water tank and are used for conveying liquid by a liquid pressurization mechanism;

the upper spraying mechanism comprises a plurality of concentrically arranged circulating water loops, and each circulating water loop is fixed at the top of the rack through a connecting block; each circulating water loop is provided with a plurality of water outlets, and each water outlet is communicated with the perforated spraying plate through a connector; each circulating water loop is connected with a main water pipeline, all the main water pipelines are gathered and are communicated with the outlet of a first water pump through a first water outlet pipe, and the inlet of the first water pump is communicated with the first outlet of a water tank through a first water inlet pipe;

the lower spraying mechanism comprises a pair of first irrigation pipes, a pair of second irrigation pipes and a pair of third irrigation pipes, wherein one ends, opposite to each other, of the adjacent first irrigation pipes are connected with one ends of the branch water pipes through a tee joint, and the other ends of the branch water pipes are communicated with a main water pipe; the other end of each first irrigation pipe is respectively communicated with one end of a second irrigation pipe and one end of a third irrigation pipe through a tee joint, and the other end of each second irrigation pipe and the other end of each third irrigation pipe are respectively connected with a water spraying pipe;

the water path spraying device also comprises a recovery branch pipe and a second water pump, water outlets at two ends of the recovery branch pipe extend into the chassis water receiving device, the recovery branch pipe is communicated with one end of a second water outlet pipe, the other end of the second water outlet pipe is communicated with an outlet of the second water pump, and an inlet of the second water pump is communicated with the water tank through a second water inlet pipe;

the angle adjusting and supporting device comprises a skylight supporting device used for contacting the automobile skylight and a plurality of angle adjusting devices used for adjusting angles, and the angle adjusting devices are uniformly distributed at the bottom of the supporting device so as to realize unidirectional or multidirectional composite adjusting action on the automobile skylight in the X direction, the Y direction or the XY direction;

the skylight supporting device comprises an adjusting frame matched with the shape and size of the skylight, a plurality of longitudinal sectional materials are arranged in the adjusting frame along the length direction, and a plurality of transverse sectional materials are also arranged between the adjacent longitudinal sectional materials and between the longitudinal sectional materials and the front inner wall and the rear inner wall of the adjusting frame;

the angle adjusting device consists of a passive angle adjusting device arranged in the center of the adjusting frame and an active angle adjusting device distributed at the junction of each transverse section bar and each longitudinal section bar;

the active angle adjusting device and the passive angle adjusting device respectively comprise an upper mounting plate, a lower mounting plate and a fixed section bar, and the fixed section bar is fixedly connected between the upper mounting plate and the lower mounting plate through a fastener;

the active adjusting device also comprises an electric cylinder, a coupler, a linking sleeve, a lower universal shaft sleeve, an upper universal shaft sleeve of the double-ball-head universal shaft and a second fixing plate; the electric cylinder is fastened with the upper mounting plate, an output shaft of the electric cylinder penetrates through the upper mounting plate of the active adjusting device and is matched with the lower universal shaft sleeve through the coupler and the link sleeve, the lower universal shaft sleeve is matched with a ball head at one end of the double-ball-head universal shaft, and the other end of the double-ball-head universal shaft is matched with the upper universal shaft sleeve and fastened with the second fixing plate;

the passive adjusting device further comprises a first fixing plate, a flange sleeve, a passive guide rod, a single-ball-head universal shaft sleeve and a single-ball-head universal shaft, the flange sleeve is fastened on the surface of an upper mounting plate of the passive adjusting device, one end of the passive guide rod penetrates through the upper mounting plate of the dynamic adjusting device and is fixedly connected with the shaft end of the single-ball-head universal shaft, the ball head at the other end of the single-ball-head universal shaft is matched with the single-ball-head universal shaft sleeve, and the single-ball-head universal shaft sleeve is fixedly connected with the first fixing plate.

The vehicle body assembly supporting device comprises an outer periphery frame and an inner periphery frame which are matched with vehicle bodies of different sizes, a plurality of connecting sectional materials are connected between the outer periphery frame and the inner periphery frame, and angle steel is arranged at the connecting part of each connecting sectional material, the outer periphery frame and the inner periphery frame; supporting plates are fixedly connected between four corners of the peripheral frame and the inner frame, each supporting plate is fixedly connected with an upper section bar mounting sleeve, one end of a vertical section bar is sleeved with the upper section bar mounting sleeve, the other end of the vertical section bar is sleeved with a lower section bar mounting sleeve, and each lower section bar mounting sleeve is fixedly connected with a bottom plate;

the chassis water receiving device consists of a middle chassis with a groove and outer chassis with grooves arranged at the left side and the right side of the middle chassis; a water outlet is formed in the middle chassis, and a water source recovery port is formed in the outer chassis;

two sides of the middle chassis are respectively bent inwards to form an inner folded plate, and a section bar mounting cavity is formed between the inner folded plate and one outer side edge of the outer chassis; the groove surface of the middle chassis is also provided with a plurality of bosses with through openings;

a plurality of second profile openings are formed in one side edge, close to the middle chassis, of the outer chassis, and a plurality of first profile openings are formed in the other side edge of the outer chassis at the positions opposite to the second profile openings;

a first supporting section bar is matched between a first section bar opening and a second section bar opening which are opposite to each other, and a second supporting section bar is also matched in the section bar installation cavity.

The utility model has the advantages as follows:

the utility model discloses simple structure, convenient to use, the utility model discloses not only can satisfy each motorcycle type size skylight and carry out the experiment of watering that drenches with the rain, can realize the accurate simulation to the volume of drenching with the rain and the volume of watering through water route spray set, control water yield and water velocity simulate different scenes from this.

The arrangement of the angle adjusting and supporting device can realize the simulation of various inclination angles, the precision of the angle simulation mode is high, and the use of the skylight in different scenes is effectively simulated. The chassis water receiving device is combined with the waterway spraying device to realize water source storage and recycling, and meanwhile, the installation of the angle adjusting supporting device and the vehicle body assembling supporting device can be realized.

Drawings

Fig. 1 is an assembly diagram of the present invention.

Fig. 2 is a schematic structural diagram i of the middle water path spraying device and the electrical control cabinet of the present invention.

Fig. 3 is a schematic structural diagram ii of the middle water path spraying device and the electrical control cabinet of the present invention.

Fig. 4 is a schematic structural view iii of the middle water path spraying device and the electrical control cabinet of the present invention.

Fig. 5 is an enlarged schematic view of fig. 4 at a.

Fig. 6 is a schematic view of a partial structure of the present invention.

Fig. 7 is an enlarged structural view at B of fig. 6.

Fig. 8 is a schematic structural view of a chassis device according to the present invention.

Fig. 9 is a schematic structural view of the middle angle adjusting and supporting device of the present invention.

Fig. 10 is a partial structural schematic view of the angle adjusting support device.

Fig. 11 is an enlarged schematic view of fig. 10 at C.

Fig. 12 is a schematic structural diagram of the middle car body assembling and supporting device of the present invention.

Wherein: 1. a frame; 2. a chassis water receiving device; 201. an outer chassis; 202. a water source recovery port; 203. a middle chassis; 204. a first profile opening; 205. a second profile opening; 206. a section bar installation cavity; 207. an inner folded plate; 208. a boss; 2081. a through opening; 209. a third profile opening; 210. a water outlet; 3. a vehicle body assembly support device; 301. a lower section bar mounting sleeve; 302. a vertical profile; 303. mounting a sleeve on the upper section; 304. a support plate; 305. an outer frame section bar; 306. a first inner frame profile; 307. a second inner frame profile; 308. a middle opening; 309. connecting the profiles; 310. angle steel; 311. a base plate; 4. an angle adjustment support device; 401. an adjustment frame; 402. a transverse profile; 403. a longitudinal profile; 404. a first fixing plate; 405. a flange sleeve; 406. a passive guide bar; 407. an electric cylinder; 408. fixing the section bar; 4091. an upper mounting plate; 4092. a lower mounting plate; 410. a coupling; 411. a linking sleeve; 412. a lower universal shaft sleeve; 413. a double-ball-head cardan shaft; 414. an upper universal shaft sleeve; 415. a second fixing plate; 416. a single-ball universal shaft sleeve; 417. a single-ball-head cardan shaft; 5. a waterway spray device; 501. a circulating water loop; 502. a connector; 503. a perforated spray plate; 504. a main water line pipe; 505. a branch water pipe; 506. a first water outlet pipe; 507. a first water pump; 508. a first water inlet pipe; 509. a water tank; 510. a second water pump; 511. recovering the branch pipe; 512. a first irrigation tube; 513. a second irrigation tube; 514. a water spray pipe; 515. a third irrigation tube; 516. a second water outlet pipe; 517. a second water inlet pipe; 6. an electrical control cabinet; 7. a first support profile; 8. a second support profile.

Detailed Description

The following describes embodiments of the present invention.

As shown in fig. 1, a water comprehensive test device for a rain test of an automobile skylight comprises a frame 1, a chassis water receiving device 2, a vehicle body assembling and supporting device 3, an angle adjusting and supporting device 4, a waterway spraying device 5 and an electrical control cabinet 6, wherein the chassis water receiving device 2 is positioned at the bottom of the frame 1, the vehicle body assembling and supporting device 3 for supporting a skylight vehicle body and the angle adjusting and supporting device 4 for adjusting a single angle or a compound angle of the skylight angle are respectively arranged on the chassis water receiving device 2, and the electrical control cabinet 6 is arranged at the periphery of the frame 1; the waterway spraying devices 5 are distributed in the frame 1 and used for spraying and watering the skylight.

As shown in fig. 2 to 5, the waterway spray device 5 comprises an upper spray mechanism and a lower irrigation mechanism which are connected in series, wherein the upper spray mechanism is used for simulating a rain test of the automobile skylight, and the lower irrigation mechanism is used for simulating an inclined irrigation test of the automobile skylight; the upper spraying mechanism is positioned at the top of the frame 1, the lower watering devices are distributed around the vehicle body assembly supporting device 3, and the upper spraying mechanism and the lower watering devices are supplied with water by an external water tank 509 and are used for conveying liquid by a liquid pressurizing mechanism.

As shown in fig. 2 to 5, the upper spraying mechanism includes a plurality of concentrically arranged circulating water loops 501, and each circulating water loop 501 is fixed on the top of the rack 1 through a connecting block; each circulating water loop 501 is provided with a plurality of water outlets, and each water outlet is communicated with a perforated spraying plate 503 through a connector 502; each circulating water loop 501 is connected with a main water path pipe 504, the main water path pipes 504 are gathered and are communicated with the outlet of a first water pump 507 through a first water outlet pipe 506, and the inlet of the first water pump 507 is communicated with the first outlet of a water tank 509 through a first water inlet pipe 508;

as shown in fig. 2 to 5, the lower spraying mechanism includes a pair of first irrigation pipes 512, a pair of second irrigation pipes 513, and a pair of third irrigation pipes 515, wherein the opposite ends of the adjacent first irrigation pipes 512 are connected to one end of a branch water pipe 505 through a tee, and the other end of the branch water pipe 505 is communicated with one main water pipe 504; the other end of each first irrigation pipe 512 is respectively communicated with one end of a second irrigation pipe 513 and one end of a third irrigation pipe 515 through a tee joint, and the other end of each second irrigation pipe 513 and the other end of each third irrigation pipe 515 are respectively connected with a water spraying pipe 514. As shown in FIG. 4, the first irrigation tube 512, the second irrigation tube 513 and the third irrigation tube 515 are connected to form an "H" shape.

As shown in fig. 2 to 5, the waterway spray device 5 further includes a recovery branch pipe 511 and a second water pump 510, water outlets at two ends of the recovery branch pipe 511 extend into the chassis water receiving device 2, the recovery branch pipe 511 is communicated with one end of a second water outlet pipe 516, the other end of the second water outlet pipe 516 is communicated with an outlet of the second water pump 510, an inlet of the second water pump 510 is communicated with the water tank 509 through a second water inlet pipe 517, and the recovery branch pipe 511 is used for recovering water stored in the chassis water receiving device 2 and realizing recycling.

As shown in fig. 1, 7 and 8, the angle adjusting and supporting device 4 includes a sunroof supporting device for contacting the sunroof and a plurality of angle adjusting devices for adjusting angles, and the angle adjusting devices are uniformly distributed at the bottom of the supporting device to perform a single-direction or multi-direction composite adjusting action on the sunroof in the X direction, the Y direction or the XY direction.

As shown in fig. 9, the sunroof supporting device comprises an adjusting frame 401 adapted to the external dimension of the sunroof, a plurality of longitudinal profiles 403 are arranged in the adjusting frame 401 along the length direction, and a plurality of transverse profiles 402 are further arranged between adjacent longitudinal profiles 403 and between the longitudinal profiles 403 and the front and rear inner walls of the adjusting frame 401;

as shown in fig. 9 and 10, the angle adjusting device includes a passive angle adjusting device disposed at the center of the adjusting frame 401, and active angle adjusting devices disposed at the intersections of the transverse profiles 402 and the longitudinal profiles 403, and the passive angle adjusting devices are uniformly distributed around the active angle adjusting device. The active angle adjusting device and the passive angle adjusting device both comprise an upper mounting plate 4091, a lower mounting plate 4092 and a fixing section bar 408, and the fixing section bar 408 is fixedly connected between the upper mounting plate 4091 and the lower mounting plate 4092 through a fastening piece.

As shown in fig. 9 and 10, the active adjustment device further includes an electric cylinder 407, a coupling 410, a linking sleeve 411, a lower universal sleeve 412, an upper universal sleeve 414 of a dual-ball-head universal shaft 413, and a second fixing plate 415; the electric cylinder 407 is fastened with the upper mounting plate 4091, the output shaft of the electric cylinder 407 penetrates through the upper mounting plate 4091 of the active adjusting device and is matched with the lower universal shaft sleeve 412 through the coupling 410 and the linking sleeve 411, the lower universal shaft sleeve 412 is matched with one end ball of the double-ball-head universal shaft 413, the other end of the double-ball-head universal shaft 413 is matched with the upper universal shaft sleeve 414 and is fastened with the second fixing plate 415, and the second fixing plates 415 in the active adjusting device are all fixedly connected at the intersection of the transverse profile 402 and the longitudinal profile 403.

As shown in fig. 9 and 10, the passive adjustment device further includes a first fixing plate 404, a flange sleeve 405, a passive guide rod 406, a single-ball universal shaft sleeve 416, and a single-ball universal shaft 417, wherein the flange sleeve 405 is fastened to the surface of the upper mounting plate 4091 of the passive adjustment device, one end of the passive guide rod 406 penetrates through the upper mounting plate 4091 of the dynamic adjustment device and is fixedly connected with the shaft end of the single-ball universal shaft 417, the ball head at the other end of the single-ball universal shaft 417 is matched with the single-ball universal shaft sleeve 416, and the single-ball universal shaft sleeve 416 is fixedly connected with the first fixing plate 404. The first fixing plate 404 of the passive adjustment device is arranged between two adjacent transverse profiles 402 in the center of the adjustment frame 401.

As shown in fig. 12, the vehicle body assembly support device 3 includes a peripheral frame and an inner frame that are adapted to different sizes of vehicle bodies, the peripheral frame being enclosed by a plurality of outer frame section bars 305 to form a rectangular frame, the inner frame being enclosed by a plurality of first inner frame section bars 306 and second inner frame section bars 307, and a middle opening 308 being formed in a space enclosed by the first inner frame section bars 306 and the second inner frame section bars 307. The first inner frame profile 306 is of equal length to the outer frame profiles 305. A plurality of connecting sectional materials 309 are connected between the peripheral frame and the inner frame, and angle steel 310 is arranged at the connecting part of each connecting sectional material 309 and the peripheral frame and the inner frame; supporting plates 304 are fixedly connected between four corners of the peripheral frame and the inner peripheral frame, each supporting plate 304 is fixedly connected with an upper section bar mounting sleeve 303, one end of a vertical section bar 302 is sleeved with the upper section bar mounting sleeve 303, the other end of the vertical section bar 302 is sleeved with a lower section bar mounting sleeve 301, and each lower section bar mounting sleeve 301 is fixedly connected with a bottom plate 311.

As shown in fig. 8, the chassis water receiving device 2 is composed of a middle chassis 203 with a slot and outer chassis 201 with a slot mounted on the left and right sides of the middle chassis 203; a water discharge port 210 is provided in the middle base plate 203, and a water source recovery port 202 is provided in the outer base plate 201.

As shown in fig. 8, two sides of the intermediate bottom plate 203 are respectively bent inward to form an inner flap 207, a section bar installation cavity 206 is formed between the inner flap 207 and one outer side edge of the outer bottom plate 201, a third section bar opening 209 is formed on the inner flap 207, a plurality of bosses 208 with through openings 2081 are further arranged on the groove surface of the intermediate bottom plate 203, and the through openings 2081 are used for the electric cylinder 407 to pass through.

As shown in fig. 8, a plurality of second profile openings 205 are formed on one side of the outer chassis 201 close to the middle chassis 203, and a plurality of first profile openings 204 are formed on the other side of the outer chassis 201 opposite to the second profile openings 205.

As shown in fig. 6, a first support section bar 7 is fitted between a first section bar opening 204 and a second section bar opening 205 which are opposite to each other, a second support section bar 8 is further fitted in the section bar mounting cavity 206, and the surfaces of the first support section bar 7 and the second support section bar 8 are used for being fixedly connected with a fixed bottom plate 311 in the vehicle body assembly supporting device 3. Between the above-mentioned adjacent third profile openings 209, profiles are also provided for increasing the support strength (not shown in the figures). As shown in fig. 6, the lower mounting plate 4092 of the active and passive adjusting devices of the present invention covers the boss 208 of the middle chassis 203 and is fixedly connected to the profile installed inside the middle chassis 203.

The utility model discloses a concrete working process as follows:

skylight is irrigated and the angle slope is tested: a single skylight without a vehicle body is placed on the surface of a skylight supporting device in an angle adjusting and supporting device 4, as shown in fig. 9, the left and right active adjusting devices can be controlled to be started through an electrical control cabinet 6 according to test requirements, specifically, electric cylinders 407 in the left and right active adjusting devices are started and extend out through an output shaft, the electric cylinders 407 of the other two active adjusting devices are not started, and as the middle passive adjusting device is provided with a passive guide rod 406, the passive guide rod 406 is stressed to lift along a flange sleeve 405, so that the whole adjusting frame 401 is lifted, and the single-ball-head universal shaft 417 rotates for a certain angle after being stressed by the lifting force, so that the adjusting frame 401 is in a high-side-to-side inclined state, and the angle adjustment is realized. Similarly, the action of the electric cylinder 407 in the active adjusting device at different positions can realize the unidirectional or multidirectional angle adjustment of the adjusting frame 401, such as front high and back low, front low and back high, left high and right low, left low and right high.

As shown in fig. 2 to 5, after the angle adjustment is completed, the first water pump 507 introduces water into the water tank 509 through the first water inlet pipe 508, the water source enters each main water path pipe 504 from the first water outlet pipe 506, the valve on each main water path pipe 504 is closed, the valve on the branch water pipe 505 is opened, the branch water pipe 505 introduces the water source into each first irrigation pipe 512, each second irrigation pipe 513 and each third irrigation pipe 515, and finally the water is sprayed out through the water spraying pipes 514 to realize irrigation on the four corners of the skylight.

Skylight rain test: as shown in fig. 1 to 12, the skylight with the vehicle body is placed in the vehicle body assembly supporting device 3, wherein the peripheral frame and the inner frame in the vehicle body assembly supporting device 3 can be respectively adapted according to the size of the vehicle body, water is fed from the first water inlet pipe 508 to the first water pump 507 through the water tank 509, the first water pump 507 feeds water into each main water path pipe 504 through the first water outlet pipe 506, the valve on the main water path pipe 504 is opened, the valve on the branch water pipe 505 is closed, water flows into the circulating water loop 501 and enters the perforated spraying plate 503, so that rainwater spraying is realized, and the rainfall of the rainwater can be accurately controlled through the first water pump 507.

The utility model discloses simple structure, convenient to use, the utility model discloses not only can satisfy each motorcycle type size skylight and carry out the experiment of watering that drenches with the rain, can realize the accurate simulation to the volume of drenching with the rain and the volume of watering through water route spray set, control water yield and water velocity simulate different scenes from this.

The arrangement of the angle adjusting and supporting device can realize the simulation of various inclination angles, the precision of the angle simulation mode is high, and the use of the skylight in different scenes is effectively simulated. The chassis water receiving device is combined with the waterway spraying device to realize water source storage and recycling, and meanwhile, the installation of the angle adjusting supporting device and the vehicle body assembling supporting device can be realized.

The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made without departing from the basic structure of the invention.

Claims (10)

1. The utility model provides a water integrated test equipment for sunroof rain test, includes frame (1), its characterized in that: the device is characterized by further comprising a chassis water receiving device (2), a vehicle body assembling and supporting device (3), an angle adjusting and supporting device (4), a water path spraying device (5) and an electrical control cabinet (6), wherein the chassis water receiving device (2) is positioned at the bottom of the rack (1), the vehicle body assembling and supporting device (3) used for supporting a skylight vehicle body and the angle adjusting and supporting device (4) used for adjusting a single angle or a composite angle of the skylight angle are respectively arranged on the chassis water receiving device (2), and the electrical control cabinet (6) is arranged on the periphery of the rack (1); the waterway spraying devices (5) are distributed in the frame (1) and are used for spraying and irrigating the skylight.

2. The water comprehensive test device for the automobile skylight rain test as claimed in claim 1, characterized in that: the waterway spraying device comprises an upper spraying mechanism and a lower watering mechanism which are connected in series, the upper spraying mechanism is used for simulating a rain test of the automobile skylight, and the lower watering mechanism is used for simulating a watering test of the automobile skylight; the upper spraying mechanism is positioned at the top of the rack (1), the lower watering mechanisms are distributed around the vehicle body assembly supporting device (3), and the upper spraying mechanism and the lower watering mechanisms are supplied with water by an external water tank (509) and are used for conveying liquid by a liquid pressurizing mechanism.

3. The water comprehensive test device for the automobile skylight rain test as claimed in claim 2, characterized in that: the upper spraying mechanism comprises a plurality of circulating water loops (501) which are concentrically arranged, and each circulating water loop (501) is fixed at the top of the rack (1) through a connecting block; each circulating water loop (501) is provided with a plurality of water outlets, and each water outlet is communicated with a perforated spraying plate (503) through a connector (502); each circulating water loop (501) is connected with a main water pipeline (504), all the main water pipelines (504) are gathered and are communicated with an outlet of a first water pump (507) through a first water outlet pipe (506), and an inlet of the first water pump (507) is communicated with a first outlet of a water tank (509) through a first water inlet pipe (508);

the lower irrigation mechanism comprises a pair of first irrigation pipes (512), a pair of second irrigation pipes (513) and a pair of third irrigation pipes (515), one ends of the adjacent first irrigation pipes (512) which are opposite to each other are connected with one end of a branch water pipe (505) through a tee joint, and the other end of the branch water pipe (505) is communicated with a main water pipe (504); the other end of each first irrigation pipe (512) is respectively communicated with one end of a second irrigation pipe (513) and one end of a third irrigation pipe (515) through a tee joint, and the other end of each second irrigation pipe (513) and the other end of each third irrigation pipe (515) are respectively connected with a water spraying pipe (514).

4. The water comprehensive test device for the automobile skylight rain test as claimed in claim 2, characterized in that: the water route spray set is still including retrieving branch road pipe (511), second water pump (510), the both ends delivery port of retrieving branch road pipe (511) all stretches into in chassis water collector (2), retrieve the one end intercommunication of branch road pipe (511) and second outlet pipe (516), the other end of second outlet pipe (516) and the export intercommunication of second water pump (510), the import of second water pump (510) is through second inlet tube (517) and water tank (509) intercommunication.

5. The water comprehensive test device for the automobile skylight rain test as claimed in claim 1, characterized in that: the angle adjusting and supporting device (4) comprises a skylight supporting device used for contacting the automobile skylight and a plurality of angle adjusting devices used for adjusting angles, and the angle adjusting devices are uniformly distributed at the bottom of the supporting device so as to realize unidirectional or multidirectional combined adjusting action on the automobile skylight in the X direction, the Y direction or the XY direction.

6. The water comprehensive test device for the automobile skylight rain test according to claim 5, characterized in that: the skylight supporting device comprises an adjusting frame (401) matched with the external dimension of the skylight, a plurality of longitudinal sectional materials (403) are arranged in the adjusting frame (401) along the length direction, and a plurality of transverse sectional materials (402) are arranged between the adjacent longitudinal sectional materials (403) and between the longitudinal sectional materials (403) and the front inner wall and the rear inner wall of the adjusting frame (401);

the angle adjusting device is composed of a passive angle adjusting device arranged at the center of the adjusting frame (401) and an active angle adjusting device distributed at the junction of each transverse profile (402) and each longitudinal profile (403).

7. The water comprehensive test device for the automobile skylight rain test as claimed in claim 6, characterized in that:

the active angle adjusting device and the passive angle adjusting device both comprise an upper mounting plate (4091),

The fixing device comprises a lower mounting plate (4092) and a fixing section bar (408), wherein the fixing section bar (408) is fixedly connected between the upper mounting plate (4091) and the lower mounting plate (4092) through a fastening piece;

the active angle adjusting device further comprises an electric cylinder (407), a coupler (410), a link sleeve (411), a lower universal shaft sleeve (412), a double-ball-head universal shaft (413), an upper universal shaft sleeve (414) and a second fixing plate (415); an electric cylinder (407) is fastened with an upper mounting plate (4091), an output shaft of the electric cylinder (407) penetrates through the upper mounting plate (4091) of the active angle adjusting device and is matched with a lower universal shaft sleeve (412) through a coupler (410) and a link sleeve (411), the lower universal shaft sleeve (412) is matched with one end of a double-ball-head universal shaft (413) in a ball joint manner, and the other end of the double-ball-head universal shaft (413) is matched with an upper universal shaft sleeve (414) and is fastened with a second fixing plate (415);

the passive angle adjusting device further comprises a first fixing plate (404), a flange sleeve (405), a passive guide rod (406), a single-ball-head universal shaft sleeve (416) and a single-ball-head universal shaft (417), wherein the flange sleeve (405) is fastened on the surface of an upper mounting plate (4091) of the passive angle adjusting device, one end of the passive guide rod (406) penetrates through the upper mounting plate (4091) of the passive angle adjusting device and is fixedly connected with the shaft end of the single-ball-head universal shaft (417), the ball head at the other end of the single-ball-head universal shaft (417) is matched with the single-ball-head universal shaft sleeve (416), and the single-ball-head universal shaft sleeve (416) is fixedly connected with the first fixing plate (404).

8. The water comprehensive test device for the automobile skylight rain test as claimed in claim 1, characterized in that: the vehicle body assembly supporting device (3) comprises an outer peripheral frame and an inner peripheral frame which are matched with vehicle bodies of different sizes, a plurality of connecting sectional materials (309) are connected between the outer peripheral frame and the inner peripheral frame, and angle steel (310) is arranged at the connecting positions of the connecting sectional materials (309) and the outer peripheral frame and the inner peripheral frame; supporting plates (304) are fixedly connected between four corners of the peripheral frame and the inner peripheral frame, each supporting plate (304) is fixedly connected with the upper section bar mounting sleeve (303), one end of the vertical section bar (302) is sleeved with the upper section bar mounting sleeve (303), the other end of the vertical section bar (302) is sleeved with the lower section bar mounting sleeve (301), and each lower section bar mounting sleeve (301) is fixedly connected with the bottom plate (311).

9. The water comprehensive test device for the automobile skylight rain test as claimed in claim 1, characterized in that: the chassis water receiving device (2) is composed of a middle chassis (203) with a groove and outer chassis (201) with grooves, wherein the outer chassis (201) with grooves are arranged on the left side and the right side of the middle chassis (203); a water outlet (210) is arranged on the middle chassis (203), and a water source recovery port is arranged on the outer chassis (201);

two sides of the middle bottom plate (203) are respectively bent inwards to form an inner folded plate (207), and a section bar installation cavity (206) is formed between the inner folded plate (207) and one outer side edge of the outer bottom plate (201); a plurality of bosses (208) provided with through openings (2081) are also arranged on the groove surface of the middle chassis (203); a plurality of second profile openings (205) are formed in one side edge, close to the middle chassis (203), of the outer chassis (201), and a plurality of first profile openings (204) are further formed in the other side edge of each outer chassis (201) at the opposite positions of the second profile openings (205).

10. The water comprehensive test device for the automobile skylight rain test according to claim 9, characterized in that: a first supporting profile (7) is fitted between a first profile opening (204) and a second profile opening (205) which are opposite one another, and a second supporting profile (8) is also fitted in the profile mounting cavity (206).

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