CN211402010U

CN211402010U - Waterproof test device

Info

Publication number: CN211402010U
Application number: CN201922266729.4U
Authority: CN
Inventors: 李永丰
Original assignee: Guangzhou Shipac Environmental Equipment Co ltd
Current assignee: Guangzhou Shipac Environmental Equipment Co ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-09-01
Anticipated expiration: 2029-12-17

Abstract

A waterproof test device comprises a test box body, a clamping platform, a first driving mechanism, a second driving mechanism, a strong flushing test assembly, a swing rod rain test assembly and a spraying test assembly, wherein the clamping platform is arranged in the test box body and used for fixing a sample; the second driving mechanism comprises first hydraulic cylinders arranged on two opposite sides of the telescopic rod, a first output shaft of each first hydraulic cylinder is connected with the edge of the clamping platform through a second hinged seat, and a first cylinder seat of each first hydraulic cylinder is connected with a fixing part of the telescopic rod through a sliding mechanism. The utility model can make each surface of the sample receive water column impact through multi-directional steering of the clamping platform, so that the test is more comprehensive and the test result is more accurate; the test method integrates a strong flushing test, a swing rod rain test and a vertical spraying test, and the test grade items are more complete.

Description

Waterproof test device

Technical Field

The utility model relates to a waterproof test device.

Background

Civil and military electrical and electronic products often have strict waterproof grade requirements, wherein the IPX5 protection range is to prevent the intrusion of sprayed water and prevent the water sprayed from all directions from entering electrical appliances to cause damage; the protection scope of the IPX6 is to prevent the intrusion of heavy waves and prevent the damage of the electrical appliances installed on the deck caused by the intrusion of heavy waves.

A strong flushing test device with the publication number of CN203824709U discloses a strong flushing test device, which comprises a test box body, a universal fixture, a water chute and a strong flushing sprayer, wherein the universal fixture is arranged inside the test box body; the strong flushing sprayer comprises a nozzle, a nozzle seat, a gate valve and a joint which are sequentially in threaded connection, a sealing ring is arranged between the nozzle and the nozzle seat, and a tightening conical nozzle, a cylindrical nozzle and a micro-expanding conical nozzle which are sequentially communicated are arranged in the nozzle from the flowing direction of water. The strong flushing test device jets high-pressure water columns to a sample in a test box body through the spray head, so that the waterproof performance of the device is tested; the spray head is arranged on one side of the test box body, the position of the spray head is fixed, water columns emitted by the spray head can only directly impact the side face of the sample, even if the sample can rotate 360 degrees, the sample can be directly impacted by water and is limited on the side face, and for the sample needing omnibearing water column impact to test the waterproof performance; in addition, the waterproof test device can only test the waterproof tests with the sample waterproof grades of IPX5 and IPX6, but is not applicable to the waterproof tests with the sample waterproof grades. The test device has single function and incomplete test function, so that the waterproof test device capable of testing samples in all directions is needed.

Disclosure of Invention

The utility model aims to solve the technical problem that a waterproof test device is provided, waterproof test grade is more comprehensive, and the test result is more accurate.

In order to solve the technical problem, the technical scheme of the utility model is that: a waterproof test device comprises a test box body, a clamping platform, a first driving mechanism, a second driving mechanism, a strong flushing test assembly, a swing rod rain test assembly and a spraying test assembly, wherein the clamping platform is arranged in the test box body and used for fixing a sample; the first driving mechanism is a first motor, an output shaft of the first motor drives the clamping platform to rotate through a telescopic rod, the telescopic rod comprises a fixed part and a movable part, the fixed part extends out of the bottom of the test box body and is connected with the first motor, and the movable part is hinged with a first hinge seat at the bottom of the clamping platform; the second driving mechanism comprises first hydraulic cylinders arranged on two opposite sides of the telescopic rod, a first output shaft of each first hydraulic cylinder is connected with the edge of the clamping platform through a second hinge seat, a first cylinder seat of each first hydraulic cylinder is connected with the fixing part of the telescopic rod through a sliding mechanism, each sliding mechanism comprises a sliding rail fixed on the fixing part, a sliding block matched with the sliding rail and a lock pin, the first cylinder seat is hinged with the sliding block through a third hinge seat, positioning plates are arranged on two sides of the sliding rail, first positioning holes are formed in the positioning plates, second positioning holes transversely penetrating through the sliding block are formed in the sliding block, and the lock pins can sequentially penetrate through the first positioning holes and the second positioning holes; the strong flushing test assembly comprises a strong flushing sprayer and a water guide groove, one end of the water guide groove is in butt joint with the test box body, and the other end of the water guide groove is in butt joint with the strong flushing sprayer; the spray test assembly comprises a spray head arranged at the inner top of the test box body, and the spray head is arranged on the spray pipe; the oscillating bar rain test assembly comprises an arc oscillating bar arranged in a test box body, one end of the arc oscillating bar is pivoted with the inner wall of the test box body, the other end of the arc oscillating bar is provided with a rotating shaft, and the rotating shaft extends out of the test box body and is connected with a second motor. The utility model discloses the principle: adjusting the telescopic rod before testing to enable the side face of the sample to be aligned with the strong flushing nozzle; fixing the sample on a clamping platform; during testing, the water column ejected by the strong flushing nozzle directly impacts the side surface of the sample through the water chute, and the sample is driven to rotate through the driving motor, so that each side surface of the sample can receive the impact of the water column; after the side waterproof performance test was accomplished, start first pneumatic cylinder, wherein the first pneumatic cylinder shrink of one side, the first pneumatic cylinder extension of opposite side to make the tight platform of clamp to the lopsidedness, the sample top surface on the tight platform of clamp after towards strong bath shower nozzle, the top surface of the sample of restart strong bath shower nozzle is tested. The utility model discloses collect by force bath test, pendulum rod rain test and spray perpendicularly experimental in an organic whole, the grade project of test is more complete.

As an improvement, the clamping platform comprises a top plate, a support ring and a support strip, the top plate is arranged above the support ring and connected with the support ring, and the support strip is arranged below the support ring and connected with the support ring; the clamping hole is a round hole arranged on the top plate.

As an improvement, the telescopic rod is a second hydraulic cylinder, the movable part is a second output shaft of the second hydraulic cylinder, and the fixed part is a second cylinder seat of the second hydraulic cylinder.

As an improvement, the sliding rail is welded on the second cylinder seat, and the sliding rail is parallel to the axis of the second hydraulic cylinder.

As an improvement, the water chute is a cylinder with two communicated ends and is fixed on the bracket.

As an improvement, a water tank is arranged below the test box body, a water inlet and a water outlet are arranged on the water tank, and the water inlet is higher than the water outlet; the water tank supplies water to the strong flushing test assembly, the spraying test assembly and the swing rod rain test assembly through the water pump.

Compared with the prior art, the utility model the beneficial effect who brings is:

1. the utility model can make each surface of the sample receive water column impact through multi-directional steering of the clamping platform, so that the test is more comprehensive and the test result is more accurate;

2. the utility model discloses collect by force bath test, pendulum rod rain test and spray perpendicularly experimental in an organic whole, the grade project of test is more complete.

Drawings

Fig. 1 is a schematic view of the state I of the present invention.

Fig. 2 is a schematic view of state II of the present invention.

Figure 3 is a cross-sectional view of a high flush showerhead.

Fig. 4 is a top view of the clamping platform.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

As shown in fig. 1, the strong flushing test device comprises a test box body 4, a clamping platform 5 which is arranged in the test box body 4 and used for fixing a sample, a first driving mechanism used for driving the clamping platform 5 to rotate, a second driving mechanism used for driving the clamping platform 5 to incline, a strong flushing test assembly, a swing rod rain test assembly and a spraying test assembly.

The test box body 4 is fixed on the support 13, the test box body 41 comprises a control system, and the control system comprises a liquid level meter, a flow meter, a pressure gauge, a control power supply, a controller and an operation panel; the control system realizes the automatic protection functions of overvoltage, overcurrent and electric leakage, and simultaneously realizes the automatic emptying of the water pump and the automatic protection of overheat prevention.

As shown in fig. 1, the high flush test assembly includes a high flush nozzle 24 and a gutter 3. The water guide groove 3 is a cylinder with two communicated ends, the water guide groove 3 is fixed on the bracket 1, one end of the water guide groove 3 is in butt joint with the test box body 4, and the other end of the water guide groove 3 is in butt joint with the strong flushing nozzle 2. As shown in fig. 3, the strong flushing nozzle 2 comprises a nozzle 25, a nozzle holder 23, a gate valve 22 and a joint 21 which are sequentially connected by screw threads, a sealing ring 24 is arranged between the nozzle 25 and the nozzle holder 23, and a tightening cone-shaped nozzle 5a, a cylindrical nozzle 5b and a micro-expanding cone-shaped nozzle 5c which are sequentially communicated are arranged in the nozzle 25 from the flowing direction of water; the tightening cone-shaped nozzle 251 in the nozzle 25 can realize good water flow guiding effect, and simultaneously realize the increasing of water pressure under the conditions of reducing damping and energy loss, the water flow further realizes the stable increase of the water pressure through the cylindrical nozzle 252 communicated with the tightening cone-shaped nozzle 251, and finally forms stable and high-pressure diffusion water column-shaped strong flushing water through the micro-expansion cone-shaped nozzle 253 communicated with the cylindrical nozzle 252; the sealing ring 24 can enhance the sealing performance between the nozzle 25 and the nozzle holder 23, thereby ensuring that the strong flushing nozzle 24 has good leakage-proof performance. The distance between the water spray nozzle of the nozzle 25 and the center of the clamping platform 52 is 2.5 m-3 m, so that the water spray nozzle and a sample arranged on the clamping platform 52 keep a proper distance, and the impact strength of water flow can meet the test requirement. The strong flushing nozzle 24 is connected to the water tank 10 sequentially through the flow valve, the pressure regulating valve and the water pump, the water tank 10 is provided with a water inlet 11 and a water outlet 12, and the water inlet 11 is higher than the water outlet 12. The test water in the test box body 4 flows back to the water tank 10, and the water level of the water tank 10 is intelligently controlled through the control system, so that the test water is recycled, and the water resource is saved. The high flush test assembly may perform a water resistance test of IPX5-IPX6 on the sample.

The pendulum rod rain test subassembly includes arc pendulum rod 16 and second motor 17, and the one end pin joint of arc pendulum rod 16 is at the inner wall of experimental box 4, and the other end of arc pendulum rod 16 is equipped with the pivot, the pivot is connected with second motor 17 after wearing out experimental box 4, through second motor 17 drive arc pendulum rod around the sample swing, the water pump can supply water through the earlier pendulum rod rain test subassembly of water pipe. The swing rod rain test component can carry out the water-proof test of IPX3-IPX4 on the sample.

The spray test assembly comprises a spray head 15 arranged at the inner top of the test box body, the spray head 15 is arranged on a spray pipe, and the water pump can firstly spray the test assembly through the water pipe to supply water. The vertical spray test assembly allows for the waterproof testing of the samples with IPX1-IPX 2.

As shown in fig. 1 and 2, the telescopic rod 9 comprises a fixed part and a movable part, and the movable part can move relative to the fixed part, so as to change the overall length of the telescopic rod 9; the fixed part extends out of the bottom of the test box body 4 and is connected with an output shaft of the driving motor 14 through a connecting flange, the movable part is hinged with a first hinge seat at the bottom of the clamping platform 5, and the driving motor 14 can drive the clamping platform 5 to rotate 360 degrees; the movable part is an upper support rod, the fixed part is a lower support rod, the lower support rod is sleeved at the lower part of the upper support rod, a plurality of first mounting holes are formed in the upper support rod, a plurality of second mounting holes are formed in the lower support rod, and a bolt can be sequentially inserted into the first mounting holes and the second mounting holes; the telescopic rod 9 of this embodiment is a second hydraulic cylinder, the movable portion is a second output shaft of the second hydraulic cylinder, and the fixed portion is a second cylinder seat of the second hydraulic cylinder.

As shown in fig. 1 and 2, the second driving mechanism includes first hydraulic cylinders 6 disposed on two opposite sides of the telescopic rod 9, the two first hydraulic cylinders 6 are symmetrically disposed, a first output shaft of the first hydraulic cylinder 6 is connected with an edge of the clamping platform 5 through a second hinge seat, and a first cylinder seat of the first hydraulic cylinder 6 is connected with a fixing portion of the telescopic rod 9 through a sliding mechanism. The sliding mechanism comprises a sliding rail 7 fixed on the second cylinder base in a welding manner, a sliding block 8 matched with the sliding rail 7 and a locking pin; the sliding rail 7 is parallel to the axis of the second hydraulic cylinder, the first cylinder seat is hinged to the sliding block 8 through a third hinge seat, positioning plates are arranged on two sides of the sliding rail 7, a first positioning hole is formed in each positioning plate, a second positioning hole transversely penetrating through the sliding block 8 is formed in the sliding block 8, and the lock pin can sequentially penetrate through the first positioning hole and the second positioning hole; when the height of the clamping platform 5 needs to be adjusted, the lock pin between the sliding rail 7 and the sliding block 8 is pulled out, the second hydraulic cylinder is driven to enable the clamping platform 5 to move up and down, and after the height is determined, the lock pin is inserted again, so that the hinge position of the first cylinder seat is determined; when the inclination angle of the clamping platform 5 needs to be adjusted, the first hydraulic cylinders 6 on the two sides are driven simultaneously, one first hydraulic cylinder 6 is in a contraction state, the other first hydraulic cylinder 6 is in an extension state, and then the clamping platform 5 rotates around the first hinge seat to incline; the two first hydraulic cylinders 6, besides having the function of driving the clamping platform 5 to tilt, can also have the function of supporting the clamping platform 5.

As shown in fig. 4, the clamping platform 5 comprises a top plate 54, a support ring 51 and a support strip 52, wherein the top plate 54 is arranged above the support ring 51 and welded with the support ring 51, and the support strip 52 is arranged below the support ring 51 and welded with the support ring 51; the top plate 54 is provided with two circles of round holes 53 for clamping. The clamping platform 2 takes the support ring 51 as a main body and the top plate 54 as a working surface, and the clamping platform 5 has a simple structure, is firm and reliable and saves materials. Can pass round hole 53 with clamp or nylon ribbon and tie up the test piece tightly, also can adopt the screw to pass round hole 53 and install mechanical clamping device on clamping platform 5 and press from both sides tight test piece, the shape of test piece can be for sphere, cylinder type, toper, square and other irregular shapes, can avoid after the test piece is pressed from both sides tightly breaking away from because the effect of centrifugal force at the rotatory in-process of clamping platform 5.

The utility model discloses the principle: before the test, the telescopic rod 9 is adjusted to enable the side face of the sample to be aligned with the strong flushing nozzle 2; fixing the sample on the clamping platform 5; during testing, the water column ejected by the strong flushing nozzle 2 directly impacts the side surface of the sample through the water chute 3, and the sample is driven to rotate through the driving motor 14, so that each side surface of the sample can receive the impact of the water column; after the side waterproof performance test was accomplished, start first pneumatic cylinder 6, wherein the first pneumatic cylinder 6 shrink of one side, the first pneumatic cylinder 6 extension of opposite side to make and press from both sides tight platform 5 to the lopsidedness, the sample top surface on the tight platform 5 of clamp is towards strong bath shower nozzle 2 back, starts strong bath shower nozzle 2 again and tests the top surface of sample. The utility model discloses a pressing from both sides diversified the turning to of tight platform 5, each face that makes the sample can accept the water column and strike, and the test is more comprehensive, and the test result is more accurate. The utility model integrates the strong flushing test, the oscillating bar rain test and the vertical spraying test, and the test level items are more complete; all waterproof test items are integrated in the box body and can be used as a movable laboratory.

Claims

1. The utility model provides a waterproof test device which characterized in that: the device comprises a test box body, a clamping platform, a first driving mechanism, a second driving mechanism, a strong flushing test assembly, a swing rod rain test assembly and a spraying test assembly, wherein the clamping platform is arranged in the test box body and used for fixing a sample; the first driving mechanism is a first motor, an output shaft of the first motor drives the clamping platform to rotate through a telescopic rod, the telescopic rod comprises a fixed part and a movable part, the fixed part extends out of the bottom of the test box body and is connected with the first motor, and the movable part is hinged with a first hinge seat at the bottom of the clamping platform; the second driving mechanism comprises first hydraulic cylinders arranged on two opposite sides of the telescopic rod, a first output shaft of each first hydraulic cylinder is connected with the edge of the clamping platform through a second hinge seat, a first cylinder seat of each first hydraulic cylinder is connected with the fixing part of the telescopic rod through a sliding mechanism, each sliding mechanism comprises a sliding rail fixed on the fixing part, a sliding block matched with the sliding rail and a lock pin, the first cylinder seat is hinged with the sliding block through a third hinge seat, positioning plates are arranged on two sides of the sliding rail, first positioning holes are formed in the positioning plates, second positioning holes transversely penetrating through the sliding block are formed in the sliding block, and the lock pins can sequentially penetrate through the first positioning holes and the second positioning holes; the strong flushing test assembly comprises a strong flushing sprayer and a water guide groove, one end of the water guide groove is in butt joint with the test box body, and the other end of the water guide groove is in butt joint with the strong flushing sprayer; the spray test assembly comprises a spray head arranged at the inner top of the test box body, and the spray head is arranged on the spray pipe; the oscillating bar rain test assembly comprises an arc oscillating bar arranged in a test box body, one end of the arc oscillating bar is pivoted with the inner wall of the test box body, the other end of the arc oscillating bar is provided with a rotating shaft, and the rotating shaft extends out of the test box body and is connected with a second motor.

2. The water resistance test device according to claim 1, characterized in that: the clamping platform comprises a top plate, a support ring and a support strip, the top plate is arranged above the support ring and connected with the support ring, and the support strip is arranged below the support ring and connected with the support ring; the clamping hole is a round hole arranged on the top plate.

3. The water resistance test device according to claim 1, characterized in that: the telescopic rod is a second hydraulic cylinder, the movable part is a second output shaft of the second hydraulic cylinder, and the fixed part is a second cylinder seat of the second hydraulic cylinder.

4. A water resistance test device according to claim 3, wherein: the sliding rail is welded on the second cylinder seat and is parallel to the axis of the second hydraulic cylinder.

5. The water resistance test device according to claim 1, characterized in that: the water chute is a cylinder with two communicated ends and is fixed on the bracket.

6. The water resistance test device according to claim 1, characterized in that: a water tank is arranged below the test box body, a water inlet and a water outlet are formed in the water tank, and the water inlet is higher than the water outlet; the water tank supplies water to the strong flushing test assembly, the spraying test assembly and the swing rod rain test assembly through the water pump.