External sunshade roller shutter test bench and test method

Abstract

The present invention provides an external sunshade rolling curtain test bench and a test method. A rolling curtain mounting frame is fixed to the front side of the test bench by bolts. A rolling curtain box is fixed to the top of the front end of the rolling curtain mounting frame by bolts. Two groups of rolling curtain guide rails are vertically installed on the front side of the rolling curtain mounting frame, and the two groups of rolling curtain guide rails are symmetrically arranged on the left and right below the rolling curtain box. Two groups of equipment brackets are vertically welded on the front and rear sides of the inner cavity of the test bench. By controlling the start of the water pump, the water in the water storage tank can be delivered to the rainfall sprinkler and sprayed out. At the same time, by controlling the rotation of the driving motor, the rainfall sprinkler can move reciprocally on the outer walls of the limit slide rod and the double-threaded lead screw under the action of the thread, which can approximately and continuously simulate the rain-like spraying work, and can conduct long-term rain-like tests on the fabric rolling curtain in the rolling curtain box, improving the accuracy of test data.

Description

Technical Field

[0001] The present invention relates to the technical field of roller shutter testing, in particular to an external sunshade roller shutter test bench and a test method. Background Art

[0002] An "electric roller shutter" is an electrified roller shutter mechanism powered by a tubular motor. Its operation only requires toggling the power switch, which is simple and convenient, and operates quietly and smoothly. It is an upgraded product of manual roller shutters. The motor is directly installed inside the aluminum alloy winding tube, which not only reduces the volume of the curtain box and the force transmission link, but also avoids the influence of the outside world on the motor, increasing the reliability of the mechanism. The winding tube is made of high-quality aluminum alloy material, with high strength and not easy to deform; the surface is treated with anodic oxidation to prevent aging and corrosion. The installation bracket is made of high-strength alloy steel, with high bending and shear strength, ensuring the safety and reliability of the mechanism installation and use.

[0003] An electric fabric roller shutter is a commonly used sunshade device in life. During the production of an electric fabric roller shutter, various tests are required. Among them, the rainfall test for the fabric roller shutter is a necessary test. The existing rainfall tests for fabric roller shutters are usually carried out by workers spraying the fabric roller shutter with a hand-held spray bottle or water gun. This is relatively cumbersome, cannot be tested for a long time, and has a large difference from the simulation of rain conditions. Based on this, the present invention designs an external sunshade roller shutter test bench and a test method to solve the above problems. Summary of the Invention

[0004] The purpose of the present invention is to provide an external sunshade roller shutter test bench and a test method to solve the problems raised in the above background art.

[0005] To achieve the above object, the present invention provides the following technical solutions: an external sunshade roller shutter test bench, including a test bench, a roller shutter mounting frame is fixedly installed on the front side of the test bench by bolts, a roller shutter box is fixedly installed on the top of the front end of the roller shutter mounting frame by bolts, two groups of roller shutter guide rails are vertically installed on the front side of the roller shutter mounting frame, and the two groups of roller shutter guide rails are symmetrically arranged on the left and right below the roller shutter box. Two groups of equipment brackets are vertically welded on the front and rear sides of the inner cavity of the test bench. A water tank bracket is fixedly installed between the two groups of equipment brackets by bolts. A water storage tank is placed on the top of the water tank bracket. U-shaped clamping plates are fixedly installed on the left and right sides of the top of the test bench by bolts. Support ear plates are vertically welded on the top of the U-shaped clamping plates. A limit slide bar and a double-threaded lead screw are horizontally installed between the two groups of support ear plates respectively. A positioning slider is vertically installed between the limit slide bar and the double-threaded lead screw. A rainfall sprinkler is installed on the front side wall of the positioning slider. A water pump is installed on the top of the water storage tank, and the input end of the water pump is communicated with the inner cavity of the water storage tank through a pipeline. A connecting pipe is installed between the output end of the water pump and the input end of the rainfall sprinkler. One end of the double-threaded lead screw is installed with a driving motor through a coupling, and a motor bracket is fixedly installed between the bottom of the driving motor and the side wall of the support ear plate by bolts. Support legs are vertically welded at the four corners of the bottom of the test bench.

[0006] Preferably, the height of the roller shutter mounting frame is greater than the height of the test bench, and a plurality of fixing screw holes are evenly formed on the front side wall of the test bench and the rear side wall of the roller shutter mounting frame.

[0007] Preferably, the water tank bracket includes a rectangular bracket, limit sleeves are welded at the four corners of the rectangular bracket and are matched with the equipment brackets, and the limit sleeves are sleeved on the outer wall of the equipment brackets. The limit sleeves and the equipment brackets are fixedly connected by bolts. L-shaped brackets are symmetrically welded on both sides of the rectangular bracket, and the L-shaped brackets are clamped on the outer wall of the water storage tank.

[0008] Preferably, fixing insertion holes matched with the limit slide bar and limit insertion holes matched with the double-threaded lead screw are respectively formed on the side walls of the support ear plates. The fixing insertion holes and the limit slide bar are connected by threads. A wear-resistant bearing is installed at the connection between the limit insertion holes and the double-threaded lead screw.

[0009] Preferably, a limit chute matched with the limit slide bar and a positioning screw hole matched with the double-threaded lead screw are formed on the side wall of the positioning slider. The limit chute and the limit slide bar are in clearance fit. An internal thread matched with the double-threaded lead screw is arranged in the inner cavity of the positioning screw hole. A connection insertion hole matched with the rainfall sprinkler is formed on the outer side wall of the positioning slider.

[0010] Preferably, the rainfall nozzle and the connecting pipe, as well as the water storage tank and the connecting pipe, are hermetically connected through pipe joints, and multiple groups of discharge holes are evenly arranged on the side wall of the front pipe of the rainfall nozzle.

[0011] A test method for an external sunshade roller blind test bench:

[0012] S1: Installation of equipment: Horizontally install the roller blind box at the front top of the roller blind installation frame through bolts, vertically and symmetrically install two groups of roller blind guide rails on the left and right sides of the front of the roller blind installation frame through bolts, and the top end of the roller blind guide rail contacts the bottom end of the roller blind box. Fix the water tank bracket in the middle of the equipment bracket through bolts, then place the water storage tank with a water pump on the top of the water tank bracket, and make the L-shaped brackets on both sides of the water tank bracket snap onto both sides of the water storage tank. Fix two groups of U-shaped clamping plates with support ear plates, limit slide bars, double-threaded lead screws, positioning sliders, and rainfall nozzles on both ends of the top of the test bench through bolts, make the limit slide bars and double-threaded lead screws parallel to the roller blind box, and connect the output end of the water pump and the input end of the rainfall nozzle through a connecting pipe;

[0013] S2: Commissioning of equipment: Inject water for simulated rainfall into the water storage tank through a water pipe, and make the injected water fill the inner cavity of the water storage tank. Control the start of the fabric roller blind motor inside the roller blind box by controlling the switch of the roller blind box, and check whether the fabric roller blind can slide vertically downward under the limiting action of the two groups of roller blind guide rails. Control the start of the water pump by controlling the switch of the water pump, so that the water pump can pump the water in the water storage tank into the rainfall nozzle, and observe whether it can be sprayed out from the front end of the rainfall nozzle. At the same time, control the rotation of the drive motor to drive the rotation of the double-threaded lead screw, and observe whether the positioning slider can drive the rainfall nozzle to slide horizontally on the outer walls of the double-threaded lead screw and the limit slide bar under the action of the thread;

[0014] S3: Confirmation of test: When it is observed that the fabric roller blind of the roller blind box in step S2 can slide vertically downward under the limiting action of the two groups of roller blind guide rails, confirm that the working state of the roller blind box is good. If it is observed that the fabric roller blind of the roller blind box in step S2 cannot slide vertically downward under the limiting action of the two groups of roller blind guide rails, repeat the replacement or readjustment of the installation position of the roller blind box and the roller blind guide rails in step S1 until it is confirmed that the roller blind box can work well;

[0015] When it is observed that the water pump in step S2 can supply the water in the water storage tank to the rainfall nozzle and spray it out through its front end, confirm that the working states of the water pump and the rainfall nozzle are good. If it is observed that the water pump cannot supply the water in the water storage tank to the rainfall nozzle and spray it out through its front end, repeat the replacement or repair of the water pump, the rainfall nozzle, and the connecting pipe in step S1 until it is confirmed that normal water spraying can be carried out from the front end of the rainfall nozzle;

[0016] When it is observed that the positioning slider in step S2 can drive the rainfall sprinkler to slide horizontally on the outer walls of the double-threaded lead screw and the limit slide bar under the rotation of the driving motor, it is confirmed that the working state of the positioning slider is good. If it is observed that the positioning slider cannot drive the rainfall sprinkler to slide horizontally on the outer walls of the double-threaded lead screw and the limit slide bar under the rotation of the driving motor, repeat the steps in step S1 to adjust the position of the U-shaped clamping plate or replace the double-threaded lead screw and the positioning slider until it is confirmed that the positioning slider can drive the rainfall sprinkler to slide horizontally on the outer walls of the double-threaded lead screw and the limit slide bar under the rotation of the driving motor;

[0017] S4: Test record: When the staff can confirm that all the equipment completed in the test in step S3 is in good working condition, control the switch of the rolling curtain box to make the fabric rolling curtain inside it slide down under the limiting action of the two sets of rolling curtain guide rails until the fabric rolling curtain is completely lowered. Then, control the switch of the water pump to start it, so that the water pump can pump out the water in the inner cavity of the water storage tank and transport it to the rainfall sprinkler through the connecting pipe and spray it out from the front end of the rainfall sprinkler. At the same time, control the control switch of the driving motor to rotate it. Through the rotation of the driving motor, drive the rotation of the double-threaded lead screw. Through the rotation of the double-threaded lead screw and the interaction of the double-thread on the double-threaded lead screw and the thread between the positioning slider, drive the positioning slider to make a reciprocating horizontal movement on the outer walls of the double-threaded lead screw and the limit slide bar under the limiting action of the limit slide bar, thereby driving the water spraying rainfall sprinkler to make a reciprocating horizontal movement, realizing the simulation of the rain state and simulating the impact of rain on the fabric rolling curtain. At the same time, the staff uses a timer to time the impact time of the rainfall sprinkler simulating rain on the fabric rolling curtain on the rolling curtain box, and tests the humidity on the back of the rain impact every once in a while with a hygrometer. The test data is recorded in a table to facilitate the later data analysis of the rainproof performance of the fabric rolling curtain in the rolling curtain box.

[0018] Compared with the prior art, the beneficial effects of the present invention are as follows: By controlling the start of the water pump, the water in the water storage tank can be transported to the rainfall sprinkler and sprayed out. At the same time, by controlling the rotation of the driving motor, the rainfall sprinkler can make a reciprocating movement on the outer walls of the limit slide bar and the double-threaded lead screw under the action of the thread, which can approximately and continuously simulate the rain state spraying work, can conduct a long-term rain state test on the fabric rolling curtain in the rolling curtain box, improve the accuracy of the test data, and avoid the tediousness of manual simulation with a watering can or a water gun.

[0019] Of course, it is not necessary for any product implementing the present invention to achieve all the above advantages simultaneously. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic structural diagram of the present invention;

[0021] Figure 2Enlarged view of part A of the present invention;

[0022] Figure 3 Rear axonometric view of the present invention;

[0023] Figure 4 Enlarged view of part B of the present invention;

[0024] Figure 5 Bottom axonometric view of the present invention.

[0025] In the figure: 1 - test bench, 2 - roller shutter mounting frame, 3 - roller shutter box, 4 - roller shutter guide rail, 5 - equipment support, 6 - water tank support, 61 - rectangular support, 62 - limit sleeve, 63 - L-shaped support, 7 - water storage tank, 8 - U-shaped clamping plate, 9 - support ear plate, 10 - limit slide bar, 11 - double-threaded lead screw, 12 - positioning slider, 13 - rainfall sprinkler head, 14 - water pump, 15 - connecting pipe, 16 - driving motor, 17 - motor support, 18 - support leg. Detailed implementation manner

[0026] Please refer to Figure 1-5 , the present invention provides a technical solution: an external sunshade roller shutter test bench, including a test bench 1. The front side of the test bench 1 is fixedly bolted with a roller shutter mounting frame 2. The height of the roller shutter mounting frame 2 is greater than that of the test bench 1, and multiple groups of fixing screw holes are evenly formed on the front side wall of the test bench 1 and the rear side wall of the roller shutter mounting frame 2, facilitating the installation and disassembly between the roller shutter mounting frame 2, the test bench 1, the roller shutter box 3, and the roller shutter guide rail 4. The front end top of the roller shutter mounting frame 2 is fixedly bolted with a roller shutter box 3. Two groups of roller shutter guide rails 4 are vertically installed on the front side of the roller shutter mounting frame 2, and the two groups of roller shutter guide rails 4 are symmetrically arranged on the left and right below the roller shutter box 3;

[0027] Both the front and rear sides of the inner cavity of the test bench 1 are vertically welded with two groups of equipment supports 5. A water tank support 6 is fixedly bolted between the two groups of equipment supports 5. A water storage tank 7 is placed on the top of the water tank support 6. The water tank support 6 includes a rectangular support 61. Limit sleeves 62 that cooperate with the equipment supports 5 are welded at the four corners of the rectangular support 61, and the limit sleeves 62 are sleeved on the outer wall of the equipment supports 5. The limit sleeves 62 and the equipment supports 5 are fixedly connected by bolts. L-shaped supports 63 are symmetrically welded on both sides of the rectangular support 61, and the L-shaped supports 63 are clamped on the outer wall of the water storage tank 7, facilitating the stable installation of the water storage tank 7 on the top of the water tank support 6;

[0028] On the left and right sides of the top of the test bench 1, U-shaped clamping plates 8 are fixed by bolts. Vertically welded to the top of the U-shaped clamping plates 8 are support ear plates 9. Horizontally installed between the two groups of support ear plates 9 are a limit slide bar 10 and a double-threaded lead screw 11 respectively. Fixed insertion holes matching the limit slide bar 10 and limit insertion holes matching the double-threaded lead screw 11 are respectively formed in the side walls of the support ear plates 9. The fixed insertion holes are threadedly connected to the limit slide bar 10, and a wear-resistant bearing is installed at the connection between the limit insertion holes and the double-threaded lead screw 11 to reduce the rotational wear of the double-threaded lead screw 11;

[0029] Vertically installed between the limit slide bar 10 and the double-threaded lead screw 11 is a positioning slider 12. Installed on the front side wall of the positioning slider 12 is a rainfall sprinkler 13. A limit chute matching the limit slide bar 10 and a positioning screw hole matching the double-threaded lead screw 11 are formed in the side wall of the positioning slider 12. The limit chute and the limit slide bar 10 are in clearance fit, and an internal thread matching the double-threaded lead screw 11 is provided in the inner cavity of the positioning screw hole. By the interaction of the threads, the positioning slider 12 can slide under the drive of the rotation of the double-threaded lead screw 11;

[0030] A connection insertion hole matching the rainfall sprinkler 13 is formed in the outer side wall of the positioning slider 12. A water pump 14 is installed on the top of the water storage tank 7, and the input end of the water pump 14 is communicated with the inner cavity of the water storage tank 7 through a pipeline. A connecting pipe 15 is installed between the output end of the water pump 14 and the input end of the rainfall sprinkler 13. The rainfall sprinkler 13 and the connecting pipe 15 as well as the water storage tank 7 and the connecting pipe 15 are hermetically connected through pipe joints, and a plurality of groups of discharge holes are evenly arranged on the side wall of the front side pipe of the rainfall sprinkler 13. One end of the double-threaded lead screw 11 is installed with a drive motor 16 through a coupling, and a motor bracket 17 is fixed by bolts between the bottom of the drive motor 16 and the side wall of the support ear plate 9. Vertically welded to the four corners of the bottom of the test bench 1 are support legs 18. By controlling the start of the water pump 14, the water in the water storage tank 7 can be delivered to the rainfall sprinkler 13 and sprayed out. At the same time, by controlling the rotation of the drive motor 16 to drive the rotation of the double-threaded lead screw 11, through the rotation of the double-threaded lead screw 11 and the thread action between it and the positioning slider 12, the positioning slider 12 makes a reciprocating motion on the outer walls of the limit slide bar 10 and the double-threaded lead screw 11, so that the rainfall sprinkler 13 can reciprocally spray water on the fabric roller shutter in the roller shutter box 3, and thus can approximately and for a long time simulate the rain-like spraying operation, and can conduct a long-term rain-state test on the fabric roller shutter in the roller shutter box 3.

[0031] A test method for an external sunshade roller shutter test bench:

[0032] S1: Installation of the equipment: Horizontally install the rolling curtain box 3 at the front top of the rolling curtain mounting rack 2 through bolts. Vertically and symmetrically install two groups of rolling curtain guide rails 4 on the left and right sides of the front of the rolling curtain mounting rack 2 through bolts. The top end of the rolling curtain guide rail 4 contacts the bottom end of the rolling curtain box 3. Fix the water tank support 6 in the middle of the equipment support 5 through bolts. Then place the water storage tank 7 with the water pump 14 on the top of the water tank support 6, and make the L-shaped brackets 63 on both sides of the water tank support 6 snap onto both sides of the water storage tank 7. Fix two groups of U-shaped clamping plates 8 with support lugs 9, limit slide bars 10, double-threaded lead screws 11, positioning sliders 12 and rainfall nozzles 13 at both ends of the top of the test bench 1 through bolts, so that the limit slide bars 10 and double-threaded lead screws 11 are parallel to the rolling curtain box 3. Connect the output end of the water pump 14 and the input end of the rainfall nozzle 13 through the connecting pipe 15;

[0033] S2: Debugging of the equipment: Inject water for simulated rainfall into the water storage tank 7 through a water pipe, and make the injected water fill the inner cavity of the water storage tank 7. Control the start of the fabric rolling curtain motor inside the rolling curtain box 3 by controlling the switch of the rolling curtain box 3, so that the fabric rolling curtain can vertically slide down under the limiting action of the two groups of rolling curtain guide rails 4. And control the start of the water pump 14 by controlling the switch of the water pump 14, so that the water pump 14 can pump the water in the water storage tank 7 into the rainfall nozzle 13, and observe whether it can be ejected from the front end of the rainfall nozzle 13. At the same time, control the rotation of the drive motor 16 to drive the rotation of the double-threaded lead screw 11, and observe whether the positioning slider 12 can drive the rainfall nozzle 13 to horizontally slide on the outer walls of the double-threaded lead screw 11 and the limit slide bar 10 under the action of the thread;

[0034] S3: Confirmation of the test: When it is observed that the fabric rolling curtain of the rolling curtain box 3 in step S2 can vertically slide down under the limiting action of the two groups of rolling curtain guide rails 4, confirm that the working state of the rolling curtain box 3 is good. If it is observed that the fabric rolling curtain of the rolling curtain box 3 in step S2 cannot vertically slide down under the limiting action of the two groups of rolling curtain guide rails 4, repeat the replacement or readjustment of the installation position of the rolling curtain box 3 and the rolling curtain guide rails 4 in step S1 until it is confirmed that the rolling curtain box 3 can work well;

[0035] When it is observed that the water pump 14 in step S2 can supply the water in the water storage tank 7 to the rainfall nozzle 13 and it is ejected from its front end, confirm that the working states of the water pump 14 and the rainfall nozzle 13 are good. If it is observed that the water pump 14 cannot supply the water in the water storage tank 7 to the rainfall nozzle 13 and it is ejected from its front end, repeat the replacement or repair of the water pump 14, the rainfall nozzle 13 and the connecting pipe 15 in step S1 until it is confirmed that the front end of the rainfall nozzle 13 can spray water normally;

[0036] When it is observed that the positioning slider 12 in step S2 can drive the rainfall sprinkler 13 to slide horizontally on the outer walls of the double-threaded lead screw 11 and the limit slide bar 10 under the rotation of the driving motor 16, it is confirmed that the working state of the positioning slider 12 is good. If it is observed that the positioning slider 12 cannot drive the rainfall sprinkler 13 to slide horizontally on the outer walls of the double-threaded lead screw 11 and the limit slide bar 10 under the rotation of the driving motor 16, repeat the steps in step S1 to adjust the position of the U-shaped clamping plate 8 or replace the double-threaded lead screw 11 and the positioning slider 12 until it is confirmed that the positioning slider 12 can drive the rainfall sprinkler 13 to slide horizontally on the outer walls of the double-threaded lead screw 11 and the limit slide bar 10 under the rotation of the driving motor 16;

[0037] S4: Test start: When the staff can confirm that all the equipment that has completed the test in step S3 is in good working condition, control the switch of the rolling shutter box 3 to make the fabric rolling shutter inside it slide downward under the limiting action of the two groups of rolling shutter guide rails 4 until the fabric rolling shutter is completely lowered. Then, control the switch of the water pump 14 to start it, so that the water pump 14 can pump out the water in the inner cavity of the water storage tank 7 and transport it to the rainfall sprinkler 13 through the connecting pipe 15 and spray it out from the front end of the rainfall sprinkler 13. At the same time, control the control switch of the driving motor 16 to rotate it. The rotation of the driving motor 16 drives the rotation of the double-threaded lead screw 11. Through the rotation of the double-threaded lead screw 11 and the interaction of the double threads on the double-threaded lead screw 11 and the threads between the positioning slider 12, drive the positioning slider 12 to make a reciprocating horizontal movement on the outer walls of the double-threaded lead screw 11 and the limit slide bar 10 under the limiting action of the limit slide bar 10, thereby driving the spraying rainfall sprinkler 13 to make a reciprocating horizontal movement to simulate the rain state and simulate the impact of rain on the fabric rolling shutter. At the same time, the staff uses a timer to time the impact time of the rainfall sprinkler 13 simulating rain on the fabric rolling shutter on the rolling shutter box 3, and tests the humidity on the back of the rain impact every once in a while with a hygrometer. The test data is recorded in a table to facilitate the later data analysis of the rainproof performance of the fabric rolling shutter in the rolling shutter box 3.

[0038] Time 0 min 15 min 30 min 45 min 60 min Humidity 38%rh 39%rh 55%rh 82%rh 96%rh

[0039] According to the preliminary indication of the above table, when the impact time of rain on the fabric rolling shutter exceeds 30 minutes, the humidity inside the fabric rolling shutter begins to increase sharply. Therefore, it is judged that the fabric rolling shutter cannot be impacted by rain for more than 30 minutes, otherwise the fabric rolling shutter will be affected, thus affecting its service life.

Claims

1. An external sunshade roller shutter test bench, comprising a test bench (1), characterized in that: A rolling curtain mounting frame (2) is fixed to the front side of the test bench (1) by bolts. A rolling curtain box (3) is fixed to the top of the front end of the rolling curtain mounting frame (2) by bolts. Two groups of rolling curtain guide rails (4) are vertically installed on the front side of the rolling curtain mounting frame (2), and the two groups of rolling curtain guide rails (4) are symmetrically arranged left and right below the rolling curtain box (3). Two groups of equipment brackets (5) are vertically welded to the front and rear sides of the inner cavity of the test bench (1). A water tank bracket (6) is fixed between the two groups of equipment brackets (5) by bolts. A water storage tank (7) is placed on the top of the water tank bracket (6). U-shaped clamping plates (8) are fixed to the left and right sides of the top of the test bench (1) by bolts. Support ear plates (9) are vertically welded to the top of the U-shaped clamping plates (8). A limit slide bar (10) and a double-threaded lead screw (11) are horizontally installed between the two groups of support ear plates (9). A positioning slider (12) is vertically installed between the limit slide bar (10) and the double-threaded lead screw (11). A rainfall sprinkler head (13) is installed on the front side wall of the positioning slider (12). A water pump (14) is installed on the top of the water storage tank (7), and the input end of the water pump (14) is communicated with the inner cavity of the water storage tank (7) through a pipeline. A connecting pipe (15) is installed between the output end of the water pump (14) and the input end of the rainfall sprinkler head (13). One end of the double-threaded lead screw (11) is installed with a driving motor (16) through a coupling. A motor bracket (17) is fixed between the bottom of the driving motor (16) and the side wall of the support ear plate (9) by bolts. Support legs (18) are vertically welded to the four corners of the bottom of the test bench (1).

2. The external sunshade roller shutter test bench according to claim 1, characterized in that: The height of the rolling curtain mounting frame (2) is greater than the height of the test bench (1), and a plurality of fixing screw holes are evenly formed in the front side wall of the test bench (1) and the rear side wall of the rolling curtain mounting frame (2).

3. The external sunshade roller shutter test bench according to claim 1, characterized in that: The water tank bracket (6) includes a rectangular bracket (61). Limit sleeves (62) matched with the equipment brackets (5) are welded to the four corners of the rectangular bracket (61), and the limit sleeves (62) are sleeved on the outer walls of the equipment brackets (5). The limit sleeves (62) and the equipment brackets (5) are fixedly connected by bolts. L-shaped brackets (63) are symmetrically welded to both sides of the rectangular bracket (61), and the L-shaped brackets (63) are clamped on the outer wall of the water storage tank (7).

4. The external sunshade roller shutter test bench according to claim 1, characterized in that: Fixing insertion holes matched with the limit slide bar (10) and limit insertion holes matched with the double-threaded lead screw (11) are respectively formed in the side walls of the support ear plates (9). The fixing insertion holes are threadedly connected with the limit slide bar (10), and wear-resistant bearings are installed at the connection between the limit insertion holes and the double-threaded lead screw (11).

5. The external sunshade rolling curtain test bench according to claim 1, characterized in that: The side wall of the positioning slider (12) is provided with a limiting chute that cooperates with the limiting slide bar (10) and a positioning screw hole that cooperates with the double-threaded lead screw (11). There is a clearance fit between the limiting chute and the limiting slide bar (10). The inner cavity of the positioning screw hole is provided with an internal thread that cooperates with the double-threaded lead screw (11). The outer side wall of the positioning slider (12) is provided with a connection jack that cooperates with the rainfall sprinkler head (13).

6. The external sunshade roller shutter test bench according to claim 1, characterized in that: Both between the rainfall sprinkler head (13) and the connecting pipe (15) and between the water storage tank (7) and the connecting pipe (15) are hermetically connected through pipe joints, and multiple groups of discharge holes are evenly arranged on the side wall of the front pipe of the rainfall sprinkler head (13).

7. A test method for the external sunshade roller blind test bench according to claim 1, characterized in that: S1: Installation of the equipment: Horizontally install the roller blind box (3) at the front top of the roller blind installation frame (2) through bolts. Vertically and symmetrically install two groups of roller blind guide rails (4) on the left and right sides of the front of the roller blind installation frame (2) through bolts, and the top end of the roller blind guide rail (4) contacts the bottom end of the roller blind box (3). Fix the water tank bracket (6) in the middle of the equipment bracket (5) through bolts, and then place the water storage tank (7) with the water pump (14) on the top of the water tank bracket (6), and make the L-shaped brackets (63) on both sides of the water tank bracket (6) snap onto both sides of the water storage tank (7). Fix two groups of U-shaped clamping plates (8) with support lugs (9), limiting slide bars (10), double-threaded lead screws (11), positioning sliders (12) and rainfall sprinkler heads (13) at both ends of the top of the test bench (1) through bolts, so that the limiting slide bar (10) and the double-threaded lead screw (11) are parallel to the roller blind box (3). Connect the output end of the water pump (14) and the input end of the rainfall sprinkler head (13) through the connecting pipe (15); S2: Debugging of the equipment: Inject water simulating rainfall into the water storage tank (7) through a water pipe, and make the injected water fill the inner cavity of the water storage tank (7). Control the start of the fabric roller blind motor inside the roller blind box (3) by controlling the switch of the roller blind box (3), so that the fabric roller blind can vertically slide down under the limiting action of the two groups of roller blind guide rails (4), and control the start of the water pump (14) by controlling the switch of the water pump (14), so that the water pump (14) can pump the water in the water storage tank (7) into the rainfall sprinkler head (13), and observe whether it can be sprayed out from the front end of the rainfall sprinkler head (13). At the same time, control the rotation of the driving motor (16) to drive the rotation of the double-threaded lead screw (11), and observe whether the positioning slider (12) can drive the rainfall sprinkler head (13) to horizontally slide on the outer walls of the double-threaded lead screw (11) and the limiting slide bar (10) under the action of the thread; S3: Confirmation of testing: When it is observed that the fabric roller blind of the roller blind box (3) in step S2 can vertically slide downward under the limiting action of the two sets of roller blind guide rails (4), it is confirmed that the working state of the roller blind box (3) is good. If it is observed that the fabric roller blind of the roller blind box (3) in step S2 cannot vertically slide downward under the limiting action of the two sets of roller blind guide rails (4), repeat the replacement or readjustment of the installation position of the roller blind box (3) and the roller blind guide rails (4) in step S1 until it is confirmed that the roller blind box (3) can work well; When it is observed that the water pump (14) in step S2 can supply the water in the water storage tank (7) to the rainfall sprinkler (13) and spray it out through its front end, it is confirmed that the working states of the water pump (14) and the rainfall sprinkler (13) are good. If it is observed that the water pump (14) cannot supply the water in the water storage tank (7) to the rainfall sprinkler (13) and spray it out through its front end, repeat the replacement or repair of the water pump (14), the rainfall sprinkler (13) and the connecting pipe (15) in step S1 until it is confirmed that normal water spraying can be carried out from the front end of the rainfall sprinkler (13); When it is observed that the positioning slider (12) in step S2 can drive the rainfall sprinkler (13) to horizontally slide on the outer walls of the double-threaded lead screw (11) and the limit slide bar (10) under the rotation action of the drive motor (16), it is confirmed that the working state of the positioning slider (12) is good. If it is observed that the positioning slider (12) cannot drive the rainfall sprinkler (13) to horizontally slide on the outer walls of the double-threaded lead screw (11) and the limit slide bar (10) under the rotation action of the drive motor (16), repeat the steps in step S1, adjust the position of the U-shaped clamping plate (8), or replace the double-threaded lead screw (11) and the positioning slider (12) until it is confirmed that the positioning slider (12) can drive the rainfall sprinkler (13) to horizontally slide on the outer walls of the double-threaded lead screw (11) and the limit slide bar (10) under the rotation action of the drive motor (16); S4: Test start: When the staff can confirm that all the devices that have completed the test in step S3 are in good working condition, control the switch of the roller blind box (3) to make the fabric roller blind inside it slide downward under the limiting action of the two groups of roller blind guide rails (4) until the fabric roller blind is completely lowered. Then, control the switch of the water pump (14) to start it, so that the water pump (14) can pump out the water in the inner cavity of the water storage tank (7) and transport it to the rainfall sprinkler head (13) through the connecting pipe (15) and spray it out from the front end of the rainfall sprinkler head (13). At the same time, control the control switch of the drive motor (16) to rotate it. The rotation of the drive motor (16) drives the rotation of the double-threaded lead screw (11). Through the rotation of the double-threaded lead screw (11) and the interaction of the threads between the double threads on the double-threaded lead screw (11) and the positioning slider (12), drive the positioning slider (12) to make a reciprocating horizontal movement on the outer walls of the double-threaded lead screw (11) and the limiting slide bar (10) under the limiting action of the limiting slide bar (10), thereby driving the water spray and rainfall sprinkler head (13) to make a reciprocating horizontal movement, realizing the simulation of the rain state and simulating the impact of rainwater on the fabric roller blind. At the same time, the staff uses a timer to time the impact time of the rainfall sprinkler head (13) simulating rainwater on the fabric roller blind on the roller blind box (3), and tests the humidity on the back of the rainwater impact through a hygrometer at regular intervals. The test data is recorded in a table to facilitate the later data analysis of the rainproof performance of the fabric roller blind in the roller blind box (3).

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