Spray test device

Abstract

The utility model provides a spray test device, which comprises a device platform and a position adjusting device, and is characterized in that the device platform is provided with a water storage tank, a self-priming pump and a control box; a water outlet of the water storage tank is connected with a water inlet of the self-priming pump through a pipeline, a water outlet of the self-priming pump is connected with a float flowmeter through a pipeline, one end, far away from the self-priming pump, of the float flowmeter is connected with a spraying pipe, and one end, far away from the float flowmeter, of the spraying pipe is connected with a nozzle; and the position adjusting device is close to the water outlet of the self-priming pump and is used for adjusting the position of the nozzle. According to the spray test device provided by the invention, the flow is accurately adjusted through the float flowmeter, the height and direction of the nozzle are freely adjusted through the position adjusting device, the spray area is enlarged through the spiral nozzle, and the operability is greatly improved on the basis of meeting test standard requirements.

Description

Technical Field

[0001] The present application relates to the technical field of spray test, and in particular to a spray device. Background Art

[0002] The busbar trunk system is referred to as bus duct. The system consists of busbars, busbar supports and insulation parts, housings, some fixings and connectors connected to other units. Bus duct is a device responsible for transmitting and distributing electric energy in low-voltage power supply systems. Bus duct is widely used due to its large current carrying capacity, high protection level, convenient distribution of electric energy, safety and reliability. Therefore, the quality of bus duct has become an important indicator to be considered in bus duct application.

[0003] According to the standard XF / T537-2005 "Test Method for Flame Retardant, Fireproof and Fire Resistance of Bus Trunk System (Bus Trunk)", bus trunks need to be subjected to spray tests. During the spray test, the vertical distance between the nozzle and the center of the specimen is 3m, and the nozzle should be able to spray the specimen from all directions. The water spray rate is (12.5±0.625)L / min, and the nozzle pressure is about 30kPa, which is equivalent to a vertical upward free jet height of about 2.5m. At present, when conducting spray tests, test personnel often hold the spray pipe to control the height, direction and range of the nozzle spray. This test method is difficult to ensure the consistency of each spray. When batch tests are conducted on bus trunks, there are large errors in the test results. Utility Model Content

[0004] The embodiment of the present application provides a spray test device to solve the problem that the height, spray direction and range of the nozzle spray controlled by a handheld spray pipe are difficult to ensure the consistency of each spray, and the test results have large errors.

[0005] An embodiment of the present application provides a spray test device, including a device platform and a position adjustment device, wherein a water tank, a self-priming pump and a control box are arranged on the device platform; the water outlet of the water tank is connected to the water inlet of the self-priming pump through a pipeline, the water outlet of the self-priming pump is connected to a float flowmeter through a pipeline, the end of the float flowmeter away from the self-priming pump is connected to a spray pipe, and the end of the spray pipe away from the float flowmeter is connected to a nozzle; the nozzle is installed on the position adjustment device, the position adjustment device is close to the water outlet of the self-priming pump, and is used to adjust the position of the nozzle, the float flowmeter is fixedly connected to the position adjustment device or the device platform or the water tank, the control box body is fixed to the water tank or the device platform, and the control box is electrically connected to the self-priming pump.

[0006] In a feasible implementation, the position adjustment device is an adjustable telescopic bracket, which includes a vertical pole and a horizontal pole. The vertical pole is perpendicular to the upper surface of the device platform, and the horizontal pole is arranged at the top of the vertical pole. A rotating shaft is arranged between the horizontal pole and the vertical pole, and the horizontal pole is rotatably connected to the vertical pole.

[0007] In a feasible implementation, the vertical pole includes a first fixed pole and a first telescopic pole, the first telescopic pole is sleeved on the first fixed pole, and a fixing device is arranged between the first telescopic pole and the first fixed pole.

[0008] In a feasible implementation, the cross bar includes a second fixed rod and a second telescopic rod, the second fixed rod is fixedly connected to the first telescopic rod, the second telescopic rod is inserted into the second fixed rod, and a locking device is provided between the second telescopic rod and the second fixed rod.

[0009] In a feasible implementation, it also includes a micro motor and a micro motor mounting bracket, the micro motor mounting bracket is connected to the cross bar, the micro motor is mounted on the micro motor mounting bracket, and the output shaft of the micro motor is connected to the shaft.

[0010] In a feasible implementation, it also includes a locking knob; a threaded through hole is opened on the first telescopic rod, and the locking knob includes a stud and a nut, the stud is threadedly matched with the threaded through hole, and the stud abuts against the rotating shaft after passing through the threaded through hole.

[0011] In a feasible implementation, an L-shaped clamp is provided at one end of the cross bar away from the rotating shaft, and a bayonet is provided on the L-shaped clamp, and the bayonet is engaged with the nozzle.

[0012] In a feasible implementation, the nozzle is spiral-shaped.

[0013] In a feasible implementation, the spray pipe is a plastic hose.

[0014] In a feasible implementation, rollers are provided on the lower surface of the device platform.

[0015] The present application provides a spray test device, including a device platform and a position adjustment device, wherein a water tank, a self-priming pump and a control box are arranged on the device platform; the water outlet of the water tank is connected to the water inlet of the self-priming pump through a pipeline, the water outlet of the self-priming pump is connected to a float flowmeter through a pipeline, the end of the float flowmeter away from the self-priming pump is connected to a spray pipe, and the end of the spray pipe away from the float flowmeter is connected to a nozzle; the position adjustment device is close to the water outlet of the self-priming pump and is used to adjust the position of the nozzle. The spray test device provided by the present application accurately adjusts the flow rate through the float flowmeter, realizes the free adjustment of the nozzle height and direction through the position adjustment device, expands the spray area through the spiral nozzle, and greatly improves the operability on the basis of meeting the requirements of the test standards. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solution of the present application, the drawings required for use in the embodiments are briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0017] Figure 1 It is a schematic diagram of the overall structure of the spray test device provided in the embodiment of the present application;

[0018] Figure 2 It is a schematic diagram of a position adjustment device for a spray test device provided in an embodiment of the present application;

[0019] Figure 3 It is a schematic diagram of the nozzle of the spray test device provided in the embodiment of the present application.

[0020] Description of reference numerals:

[0021] 1-device platform; 2-water tank; 3-self-priming pump; 4-adjustable telescopic bracket; 41-vertical pole; 411-first fixed pole; 412-first telescopic pole; 413-threaded through hole; 414-fixing device; 42-cross bar; 421-second fixed column; 422-second telescopic column; 423-locking device; 424-clamp; 425-bayonet; 43-micro motor; 431-micro motor mounting bracket; 44-locking knob; 441-stud; 442-nut; 45-rotating shaft; 5-control box; 6-float flowmeter; 7-spray pipe; 8-nozzle; 81-clamping column; 9-roller. DETAILED DESCRIPTION

[0022] In order to enable those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work should fall within the scope of protection of the present application.

[0023] According to the standard XF / T537-2005 "Test Method for Flame Retardant, Fireproof and Fire-Resistant Performance of Bus Trunk System (Bus Trunk)", the bus duct needs to be subjected to a spray test. During the spray test, the vertical distance between the nozzle and the center of the specimen is 3m, and the nozzle should be able to spray the specimen from all directions. The water spray rate is (12.5±0.625)L / min, and the nozzle pressure is about 30kPa, which is equivalent to a vertical upward free jet height of about 2.5m. At present, when conducting a spray test, the test personnel mostly hold the spray pipe to control the height, direction and range of the nozzle spray. This test method is difficult to ensure the consistency of each spray. When the bus duct is tested in batches, there are large errors in the test results. The spray test device provided in this application uses a float flowmeter to accurately adjust the flow rate, a position adjustment device to achieve free adjustment of the nozzle height and direction, and a spiral nozzle to expand the spray area. On the basis of meeting the requirements of the test standard, the operability is greatly improved.

[0024] The specific structure of the spray test device provided in the present application is described in detail below in conjunction with the accompanying drawings.

[0025] Reference Figure 1 As shown, an embodiment of the present application provides a spray test device, including a device platform 1 and a position adjustment device 4, the device platform 1 is provided with a water tank 2, a self-priming pump 3 and a control box 5; the water outlet of the water tank 2 is connected to the water inlet of the self-priming pump 3 through a pipeline, the water outlet of the self-priming pump 3 is connected to a float flowmeter 6 through a pipeline, the end of the float flowmeter 6 away from the self-priming pump 3 is connected to a spray pipe 7, and the end of the spray pipe 7 away from the float flowmeter 6 is connected to a nozzle 8; the nozzle 8 is installed on the position adjustment device 4, the position adjustment device 4 is close to the water outlet of the self-priming pump 3, and is used to adjust the position of the nozzle 8, the float flowmeter 6 is fixedly connected to the position adjustment device 4 or the device platform 1 or the water tank 2, the control box 5 is fixed on the water tank 2 or the device platform 1, and the control box 5 is electrically connected to the self-priming pump 3.

[0026] After the fire resistance test of the bus duct is completed, a spray test is required in accordance with the standard. During the test, the spray test device provided by the present application is placed near the test bus duct, and the nozzle 8 is moved to a specified position through the position adjustment device 4. The position adjustment device 4 can be adjusted in the height direction or in the horizontal direction, thereby expanding the spray range of the nozzle 8. In this embodiment, the control box 5 is used to control the start and stop of the self-priming pump 3. When the position adjustment of the nozzle 8 is completed, the self-priming pump 3 is started, and the self-priming pump 3 absorbs water from the water storage tank 2 and pressurizes it, and transmits it to the nozzle 8 through the spray pipe 7, and the nozzle 8 sprays it onto the bus duct to be tested.

[0027] In some embodiments, reference Figure 2 As shown, the position adjustment device 4 is an adjustable telescopic bracket, which includes a vertical rod 41 and a horizontal rod 42. The vertical rod 41 is perpendicular to the upper surface of the device platform 1, and the horizontal rod 42 is arranged at the top of the vertical rod 41. A rotating shaft 45 is arranged between the horizontal rod 42 and the vertical rod 41, and the horizontal rod 42 is rotatably connected to the vertical rod 41. The horizontal rod 42 rotates relative to the vertical rod 41 to adjust the spraying area of ​​the nozzle 8 in the water direction. The rotation angle of the horizontal rod 42 meets the test requirements.

[0028] In some embodiments, reference Figure 2 As shown, the vertical rod 41 includes a first fixed rod 411 and a first telescopic rod 412. The first telescopic rod 412 is sleeved on the first fixed rod 411, and a fixing device 414 is provided between the first telescopic rod 412 and the first fixed rod 411. The first telescopic rod 412 can move up and down relative to the 411, so as to adjust the position of the nozzle 8 in the vertical direction. After the position adjustment is completed, the fixing device 414 locks the first fixed rod 411 and the first telescopic rod 412 to prevent the two from moving.

[0029] In some embodiments, the crossbar 42 includes a second fixed rod 421 and a second telescopic rod 422, the second fixed rod 421 is fixedly connected to the first telescopic rod 412, the second telescopic rod 422 is inserted into the second fixed rod 421, and a locking device 423 is provided between the second telescopic rod 422 and the second fixed rod 421. The second telescopic rod 422 can move left and right relative to the second fixed rod 421, so as to adjust the position of the nozzle 8 in the horizontal direction. When the nozzle 8 is adjusted to a suitable position, it is locked by the locking device 423 to prevent movement. In addition, the second telescopic rod 422 can be set to multiple, the diameters of the multiple second telescopic rods 422 are gradually reduced, and the multiple second telescopic rods 422 are plugged together in sequence, and the locking device 423 is provided between the adjacent second telescopic rods 422. The setting of the telescopic structure reduces the volume of the position adjustment device, which is convenient for storage. When in use, the spray pipe 7 can be tied to the vertical rod 41 and the crossbar 42 by a strap or a nylon rope or a wire.

[0030] In some embodiments, a micro motor 43 and a micro motor mounting bracket 431 are further included, wherein the micro motor mounting bracket 431 is connected to the cross bar 42, the micro motor 43 is mounted on the micro motor mounting bracket 431, and the output shaft of the micro motor 43 is connected to the shaft 45. During the spray test, the height of the nozzle 8 can be completed in the test preparation stage. During the spray test, the horizontal position of the nozzle 8 is more often required. The setting of the micro motor 43 realizes the automatic adjustment of the horizontal direction of the nozzle 8, without manual operation, and is more convenient to use.

[0031] In some embodiments, a locking knob 44 is further included; a threaded through hole 413 is provided on the first telescopic rod 412, and the locking knob 44 includes a stud 441 and a nut 442, wherein the stud 441 is threadedly matched with the threaded through hole 413, and the stud 441 abuts against the rotating shaft 45 after passing through the threaded through hole 413. The locking knob 44 is mainly used for manually adjusting the crossbar 42 in the horizontal direction, and after the adjustment is completed, the position is locked by the locking knob 44 to prevent the crossbar 42 from rotating accidentally.

[0032] In some embodiments, see Figure 2 and Figure 3As shown, a clamping member 424 is provided at one end of the crossbar 42 away from the rotating shaft 45, and a bayonet 425 is provided on the clamping member 424, and the bayonet 425 is clamped with the nozzle 8. A clamping column 81 is provided on the nozzle 8, and the clamping column 81 is a hollow structure with an internal thread. The spray pipe 7 is connected to the clamping column 81 through threaded matching, and the outside of the clamping column 81 is clamped in the buckle 425. The clamping structure is easy to install and disassemble, and the equipment can be quickly assembled and disassembled during the test, thereby improving the test efficiency.

[0033] In some embodiments, the nozzle 8 is spiral-shaped. More spray holes can be arranged in the spiral structure so that more water can flow out, and because of the spiral structure, the directions of the spray holes are different, so the nozzle 8 is arranged in a spiral shape to increase the spraying area.

[0034] In some embodiments, the spray pipe 7 is a plastic hose. The plastic hose is flexible and can be easily moved along with the position adjustment device 4. In the embodiment of the present application, the spray pipe 7 has a certain length margin to facilitate height and direction adjustment.

[0035] In some embodiments, the lower surface of the device platform 1 is provided with rollers 9. According to the test standards, the spray test is carried out after the fire test. After the fire test is completed, the bus duct has a high temperature and is not easy to move. Therefore, the spray equipment needs to be moved to the vicinity of the bus duct. The setting of the rollers 9 facilitates the movement of the device, making the test more labor-saving and improving the test efficiency.

[0036] According to the above technical features, the working process of the spray device provided by the present application in the actual application scenario is as follows: during the test, the spray test device provided by the present application is placed near the test bus duct, and the height direction is first adjusted by the position adjustment device 4, so that the nozzle 8 moves to the specified position. After the height adjustment is completed, the self-priming pump 3 is started by the start button on the control box 5. The water in the water tank 2 is pressurized by the self-priming pump 3 to reach the test standard, and then passes through the spray pipe 7 and is sprayed from the nozzle 8 to the bus duct to be tested. During the test, the micro motor 43 controls the crossbar 42 to rotate a certain angle, so that the spray position of the nozzle 8 in the horizontal direction is adjusted to complete the spray test.

[0037] It is easy to understand that those skilled in the art can combine, split, reorganize, etc. the embodiments of the present application to obtain other embodiments based on the several embodiments provided in the present application, and these embodiments do not exceed the protection scope of the present application.

[0038] The above specific implementation methods further explain in detail the purpose, technical solutions and beneficial effects of the embodiments of the present application. It should be understood that the above are only specific implementation methods of the embodiments of the present application and are not used to limit the protection scope of the embodiments of the present application. Any modifications, equivalent substitutions, improvements, etc. made on the basis of the technical solutions of the embodiments of the present application should be included in the protection scope of the embodiments of the present application.

Claims

1. A spray test device, characterized in that: The device comprises a device platform (1) and a position adjustment device (4); a water storage tank (2), a self-priming pump (3) and a control box (5) are arranged on the device platform (1); the water outlet of the water storage tank (2) is connected to the water inlet of the self-priming pump (3) through a pipeline; the water outlet of the self-priming pump (3) is connected to a float flowmeter (6) through a pipeline; one end of the float flowmeter (6) away from the self-priming pump (3) is connected to a spray pipe (7); the other end of the spray pipe (7) is connected to a nozzle (8); The shower pipe (7) and the nozzle (8) are fixed on the position adjustment device (4); the position adjustment device (4) is close to the water outlet of the self-priming pump (3) and is used to adjust the height of the nozzle (8); the float flowmeter (6) is fixedly connected to the position adjustment device (4) or the device platform (1) or the water tank (2); the control box (5) is fixed on the water tank (2) or the device platform (1); and the control box (5) is electrically connected to the self-priming pump (3).

2. The spray test device according to claim 1, characterized in that: The position adjustment device (4) is an adjustable telescopic bracket, comprising a vertical rod (41) and a horizontal rod (42), wherein the vertical rod (41) is perpendicular to the upper surface of the device platform (1), and the horizontal rod (42) is arranged at the top end of the vertical rod (41), and a rotating shaft (45) is arranged between the horizontal rod (42) and the vertical rod (41), and the horizontal rod (42) is rotatably connected to the vertical rod (41).

3. The spray test device according to claim 2, characterized in that: The vertical rod (41) comprises a first fixed rod (411) and a first telescopic rod (412); the first telescopic rod (412) is sleeved on the first fixed rod (411); and a fixing device (414) is provided between the first telescopic rod (412) and the first fixed rod (411).

4. The spray test device according to claim 3, characterized in that: The cross bar (42) comprises a second fixed rod (421) and a second telescopic rod (422); the second fixed rod (421) is fixedly connected to the first telescopic rod (412); the second telescopic rod (422) is inserted into the second fixed rod (421); and a locking device (423) is provided between the second telescopic rod (422) and the second fixed rod (421).

5. The spray test device according to claim 4, characterized in that: There are a plurality of second telescopic rods (422), the diameters of the plurality of second telescopic rods (422) gradually decrease, the plurality of second telescopic rods (422) are plugged in sequence, and the locking device (423) is arranged between two adjacent second telescopic rods (422).

6. The spray test device according to claim 2, characterized in that: It also includes a micro motor (43) and a micro motor mounting bracket (431), wherein the micro motor mounting bracket (431) is connected to the cross bar (42), the micro motor (43) is mounted on the micro motor mounting bracket (431), and the output shaft of the micro motor (43) is connected to the shaft (45).

7. The spray test device according to claim 3, characterized in that: It also includes a locking knob (44); a threaded through hole (413) is provided on the first telescopic rod (412); the locking knob (44) includes a stud (441) and a nut (442); the stud (441) is threadedly matched with the threaded through hole (413); the stud (441) passes through the threaded through hole (413) and abuts against the rotating shaft (45).

8. The spray test device according to claim 2, characterized in that: A clamping piece (424) is provided at one end of the cross bar (42) away from the rotating shaft (45), and a clamping opening (425) is provided on the clamping piece (424), and the clamping opening (425) is clamped with the nozzle (8).

9. The spray test device according to claim 1, characterized in that: The nozzle (8) is spiral-shaped.

10. The spray test device according to claim 1, characterized in that: The lower surface of the device platform (1) is provided with rollers (9).

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