Nozzle water jet penetrating power testing device

Abstract

The utility model discloses a nozzle water jet penetrating power testing device which comprises a rack. A spraying mechanism with a nozzle is connected to one end of the upper part of the rack; a nozzle is installed at one end of the rack, a penetration recording mechanism is installed at the other end of the rack, a target material mechanism is installed between the nozzle and the penetration recording mechanism, and when water flow ejected by the nozzle breaks down a target material in the target material mechanism, the water flow pushes a preset turning plate on the penetration recording mechanism to rotate so as to obtain time parameters of target material breakdown; the spraying mechanism is connected with the rack in a sliding mode, and a ruler is arranged on the rack. A jet velocity sensor is arranged at the position, close to the target material, of the target material mechanism; a high-pressure water connector is arranged in the injection mechanism, and a pressure gauge is arranged between the high-pressure water connector and the nozzle. According to the utility model, a specific nozzle can be tested, and the breakdown duration under the conditions of different target materials, pressures, flow velocities and target distances can be verified, so that reference data can be provided for cleaning operation.

Description

Technical Field

[0001] The utility model belongs to the technical field of high-pressure cleaning, relates to the technical field of nozzle testing, and specifically relates to a nozzle water jet penetration force testing device. Background Technique

[0002] During high-pressure cleaning, various nozzles are used to clean workpieces. The penetration force of the water jet ejected by the nozzle needs to be maintained within a certain range; too large penetration force will damage the workpiece, and insufficient penetration force will affect the cleaning effect. The problem is that there are many factors affecting the penetration force of the nozzle, including the strength and toughness, specifications and dimensions, density and specific gravity of the workpiece, the pressure and flow rate of the water jet, the structure of the nozzle, the size of the nozzle orifice, the target distance (the distance between the end face of the nozzle outlet and the surface of the object to be struck), the angle of the jet injection (the angle between the axis of the jet and the surface of the target material), the speed of the jet movement (the speed of the jet moving along the surface of the target material), the erosion rate (the weight of the target material eroded by the jet per unit time), the penetration speed (the time required for the jet to penetrate the target material), and so on. In order to meet the needs of cleaning operations, there is a lack of a testing device for nozzles in the prior art to obtain the parameters related to the penetration force of the nozzles. Summary of the Invention

[0003] The technical problem to be solved by the utility model is to overcome the existing defects and provide a nozzle water jet penetration force testing device to test a specific nozzle for its penetration force at different target materials and different target distances with a specific flow rate and pressure, so as to select a suitable nozzle and cleaning operation parameters when dealing with a specific cleaning object.

[0004] To achieve the above purpose, the utility model provides the following technical solution: A nozzle water jet penetration force testing device includes a frame; a spraying mechanism with a nozzle is connected to one end of the upper part of the frame; a penetration recording mechanism is installed at the other end of the frame, and a target material mechanism is installed between the nozzle and the penetration recording mechanism. When the water flow ejected by the nozzle penetrates the target material in the target material mechanism, the water flow pushes a preset flap on the penetration recording mechanism to rotate to obtain the time parameter of the target material being penetrated; the spraying mechanism is slidably connected to the frame, and a scale is provided on the frame for obtaining the target distance between the nozzle and the target material when the spraying mechanism slides; on the target material mechanism, a jet velocity sensor is provided near the target material to obtain the water flow velocity bombarding the target material; a high-pressure water joint is provided in the spraying mechanism, and a pressure gauge is provided between the high-pressure water joint and the nozzle to obtain the water pressure when the nozzle ejects water flow.

[0005] As a further optimization, the spraying mechanism is connected with a handle for driving the spraying mechanism to slide on the frame when the handle is rotated.

[0006] As a further optimization, on the injection mechanism, a switch mechanism is provided at the position between the high-pressure water joint and the pressure gauge to control the start and stop of the water flow sprayed by the nozzle.

[0007] As a further optimization, a splash-proof mechanism is further included; the splash-proof mechanism includes a first inner sleeve, a second inner sleeve and an outer sleeve; one end of the first inner sleeve is connected to the target mechanism, and the other end thereof is inserted into one end of the outer sleeve; the outer sleeve is wrapped outside the nozzle; one end of the second inner sleeve is connected to the injection mechanism, and the other end thereof is inserted into the other end of the outer sleeve; a drain pipe is connected to the middle of the outer sleeve, and the drain pipe is fixedly connected to the frame through a support rod.

[0008] As a further optimization, the target is detachable in the target mechanism.

[0009] As a further optimization, the target mechanism includes a base installed on the frame; the end of the base is fixedly connected to the first inner sleeve, and a mounting plate is fixedly connected inside the first inner sleeve; a mounting hole facing the nozzle is provided at the center of the mounting plate; a target seat is inserted into the mounting hole; the target seat is provided with a slit and a central screw hole; a splint serving as the target is inserted into the slit and is tightened by a hollow bolt connected in the central screw hole to be integrally fixed with the target seat; a pressing strip is connected to the mounting plate by screws; the inner side of the pressing strip supports the outer end of the hollow bolt, and a circular hole coaxial with the through hole at the center of the hollow bolt is provided at its center.

[0010] As a further optimization, a data recorder, a ranging sensor, a switch quantity sensor, a pressure sensor and a microswitch are further included; the ranging sensor is installed on the frame and is electrically connected to the data recorder for automatically recording the target distance parameter; the jet velocity sensor is electrically connected to the data recorder for automatically recording the jet velocity parameter; the switch quantity sensor is installed on the switch mechanism and is electrically connected to the data recorder for automatically recording the jet start time parameter of the measurement injection mechanism; the pressure sensor is installed on the injection mechanism and is electrically connected to the data recorder for automatically recording the water pressure parameter of the water flow ejected from the nozzle; the microswitch is installed on the penetration recording mechanism and is electrically connected to the data recorder for automatically recording the time parameter when the flap rotates.

[0011] Compared with the prior art, the beneficial effects of the present utility model are:

[0012] (1) It can verify through experiments the relationship among the nozzle, the target, the pressure, the flow rate, the target distance and the breakdown duration, providing a reference for the cleaning operation.

[0013] (2) The nozzle, target, pressure, flow rate and target distance parameters of the present device can all be adjusted or replaced, facilitating the comparison of the breakdown durations under different parameters.

[0014] (3) The structure of this device is simple, the operation is convenient, the test water can be recycled, and the use cost is low.

[0015] In summary, the utility model can test a specific nozzle, verify the breakdown duration under different conditions of target material, pressure, flow rate, and target distance, so as to provide reference data for the cleaning operation. Description of the Drawings

[0016] Figure 1 is a schematic structural diagram of Embodiment 1 of the utility model;

[0017] Figure 2 is Figure 1 the top view of

[0018] Figure 3 is Figure 1 the side view of

[0019] Figure 4 is Figure 1 the partial enlarged view at A of

[0020] Figure 5 is the schematic connection structure diagram of Embodiment 2 of the utility model.

[0021] The corresponding relationship between the technical features in the figure and the reference numerals is as follows: frame 1; scale 11; support rod 12; slide rail 13; spraying mechanism 2; nozzle 21; high-pressure water joint 22; pressure gauge 23; handle 24; switch mechanism 25; penetration recording mechanism 3; flap 31; target material mechanism 4; target material 41; jet velocity sensor 42; base 43; mounting plate 44; target material seat 45; hollow bolt 46; through hole 461; pressing strip 47; round hole 471; screw 48; anti-splash mechanism 5; first inner sleeve 51; second inner sleeve 52; outer sleeve 53; drain pipe 54. Detailed Embodiment

[0022] Next, the technical solutions in the embodiments of the utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all the embodiments.

[0023] Embodiment 1, please refer to Figures 1-4, the present utility model provides a technical solution: a nozzle water jet penetration force testing device, including a frame 1; a spraying mechanism 2 with a nozzle 21 is connected to one end of the upper part of the frame 1; a penetration recording mechanism 3 is installed at the other end of the frame 1, and a target mechanism 4 is installed between the nozzle 21 and the penetration recording mechanism 3. When the water flow ejected from the nozzle 21 penetrates the target 41 in the target mechanism 4, the water flow pushes a preset flap 31 on the penetration recording mechanism 3 to rotate, thereby obtaining the time parameter of the penetration of the target 41; the spraying mechanism 2 is slidably connected to the frame 1, and a scale 11 is provided on the frame 1 for obtaining the target distance between the nozzle 21 and the target 41 when the spraying mechanism 2 slides; on the target mechanism 4, a jet velocity sensor 42 is provided near the target 41 to obtain the velocity of the water jet bombarding the target 41; a high-pressure water joint 22 is provided in the spraying mechanism 2, and a pressure gauge 23 is provided between the high-pressure water joint 22 and the nozzle 21 to obtain the water pressure when the nozzle 21 ejects water flow.

[0024] During use, with the frame 1 as the installation basis, preferably, universal wheels are provided at the bottom end of the frame 1, so that the frame 1 can be moved, improving the convenience of use. First, connect to a high-pressure water source through the high-pressure water joint 22, install the target 41, and then adjust the position of the spraying mechanism 2 to record the distance between the nozzle and the target 41 to obtain the target distance. Start the high-pressure water source, eject high-pressure water flow from the nozzle 21, spray it onto the target 41, and record the water pressure and flow rate through the pressure gauge 23 and the jet sensor. Until the high-pressure water jet penetrates the target 41, the water flow pushes the flap 31 to rotate, record the time, and obtain the penetration duration from the start of spraying to the penetration of the target 41. Thus, the corresponding relationship among the target 41, target distance, pressure, flow rate, and penetration duration is obtained. On this basis, by adjusting parameters such as pressure, flow rate, and target distance, the penetration duration under another working condition can be obtained. Also, the nozzle 21 can be replaced to test and obtain the relationship between the penetration duration of different nozzles 21 and other elements, so as to provide a reference for the cleaning operation. Among them, one end of the spraying mechanism 2 is sleeved on the slide rail 13 on the frame 1 to achieve a sliding connection.

[0025] For the convenience of adjustment, the spraying mechanism 2 is connected with a handle 24, which is used to drive the spraying mechanism 2 to slide on the frame 1 when the handle 24 is rotated. It can be seen that there is a transmission mechanism in the spraying mechanism 2 connected to the handle 24, so that when the handle 24 is rotated, the spraying mechanism 2 is driven to slide on the frame 1.

[0026] For the convenience of controlling the start and stop of spraying, on the spraying mechanism 2, a switch mechanism 25 is provided at the position between the high-pressure water joint 22 and the pressure gauge 23 to control the start and stop of the water flow sprayed by the nozzle 21.

[0027] To avoid water splashing and protect the test environment, a splash-proof mechanism 5 is also included; the splash-proof mechanism 5 includes a first inner sleeve 51, a second inner sleeve 52 and an outer sleeve 53; one end of the first inner sleeve 51 is connected to the target mechanism 4, and the other end thereof is inserted into one end of the outer sleeve 53; one end of the second inner sleeve 52 is connected to the spraying mechanism 2, and the other end thereof is inserted into the other end of the outer sleeve 53; the outer sleeve 53 is wrapped outside the nozzle 21; a drain pipe 54 is connected to the middle of the outer sleeve 53, and the drain pipe 54 is fixedly connected to the frame 1 through a support rod 12. It can be seen that the splashed water mist is shrouded in the outer sleeve 53 and is collected and discharged through the drain pipe 54.

[0028] To facilitate the replacement of the target 41, the target 41 is detachable in the target mechanism 4. Preferably, the nozzle 21 is also replaceable.

[0029] An exemplary detachable structure of the target 41, the target mechanism 4 includes a base 43 installed on the frame 1; the end of the base 43 is fixedly connected to the first inner sleeve 51, and an installation plate 44 is fixedly connected inside the first inner sleeve 51; an installation hole facing the nozzle 21 is provided at the center of the installation plate 44; a target seat 45 is inserted into the installation hole; the target seat 45 is provided with a slit and a central screw hole; a clamping plate serving as the target 41 is inserted into the slit and is tightened by a hollow bolt 46 connected in the central screw hole to be integrally fixed with the target seat 45; a pressing strip 47 is connected to the installation plate 44 by screws 48; the inner side of the pressing strip 47 abuts against the outer end of the hollow bolt 46, and a round hole 471 coaxial with the through hole 461 at the center of the hollow bolt 46 is provided at its center. It can be seen that the target 41 is abutted by the hollow bolt 46 and fixed to the target seat 45, and the target 41 can be better adjusted by screwing the hollow bolt 46; and the pressing strip 47 serves as a pressure-applying insurance mechanism to resist the impact force of the water flow and prevent the hollow bolt 46 from falling off under the impact of the water flow.

[0030] The advantages of the present utility model are as follows.

[0031] (1) It can verify through experiments the relationship between the nozzle 21, the target 41, the pressure, the flow rate, the target distance and the breakdown duration, providing a reference for the cleaning operation.

[0032] (2) The parameters of the nozzle 21, the target 41, the pressure, the flow rate and the target distance of this device can all be adjusted or replaced, facilitating the comparison of the breakdown durations under different parameters.

[0033] (3) This device has a simple structure, is easy to operate, can recycle the test water, and has a low use cost.

[0034] In summary, this embodiment can test a specific nozzle 21 to verify the breakdown duration under different target materials 41, pressures, flow rates, and target distances, so as to provide reference data for the cleaning operation.

[0035] Embodiment 2, please refer to Figure 5 .

[0036] Based on Embodiment 1, this embodiment further includes a data recorder 6, a ranging sensor 61, a digital input sensor 62, a pressure sensor 63, and a microswitch 64. The ranging sensor 61 is installed on the frame 1 for automatically measuring the target distance between the nozzle 21 of the spraying mechanism 2 and the target material 41. The ranging sensor 61 is electrically connected to the data recorder 6 for automatically recording the target distance parameter. The jet velocity sensor 42 installed on the target material mechanism is electrically connected to the data recorder 6 for automatically recording the jet velocity parameter. The digital input sensor 62 is installed on the switching mechanism 25 and is electrically connected to the data recorder 6 for automatically recording the spraying start time parameter of the spraying mechanism 2. The pressure sensor 63 is installed on the spraying mechanism 2 and is electrically connected to the data recorder 6 for automatically recording the water pressure parameter when the water flows out of the nozzle 21. The microswitch 64 is installed on the penetration recording mechanism 3 and is electrically connected to the data recorder 6 for automatically recording the time parameter when the flap 31 rotates.

[0037] It can be seen that compared with the manual recording method in Embodiment 1, this embodiment can automatically record the spraying time of the spraying mechanism 2, the time taken to penetrate the target material 41, and the pressure, flow rate, and target distance parameters when penetrating the target material 41. It has a higher degree of automation than Embodiment 1 and is more convenient and labor-saving to use.

[0038] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A nozzle water jet penetration test device, comprising a frame (1); characterized in that: A spray mechanism (2) with a nozzle (21) is connected to one end of the upper part of the frame (1); a penetration recording mechanism (3) is installed at the other end of the frame (1); a target material mechanism (4) is installed between the nozzle (21) and the penetration recording mechanism (3), so that when the water flow ejected by the nozzle (21) penetrates the target material (41) in the target material mechanism (4), the water flow drives a preset flap (31) on the penetration recording mechanism (3) to rotate, thereby obtaining a time parameter of the target material (41) being penetrated; The spray mechanism (2) is slidably connected to the frame (1), and a scale (11) is provided on the frame (1) for obtaining the target distance between the nozzle (21) and the target material (41) when the spray mechanism (2) slides; A jet velocity sensor (42) is provided on the target mechanism (4) at a position close to the target (41) for obtaining the velocity of the water jet bombarding the target (41); The jetting mechanism (2) is provided with a high-pressure water joint (22), and a pressure gauge (23) is provided between the high-pressure water joint (22) and the nozzle (21) for obtaining the water pressure when the nozzle (21) jets water.

2. A nozzle water jet penetration test device according to claim 1, characterized in that: The spraying mechanism (2) is connected to a handle (24) for driving the spraying mechanism (2) to slide on the frame (1) when the handle (24) is rotated.

3. A nozzle water jet penetration test device according to claim 1, characterized in that: A switch mechanism (25) is provided on the spraying mechanism (2) between the high-pressure water joint (22) and the pressure gauge (23) to control the start and stop of the spraying of water by the nozzle (21).

4. A nozzle water jet penetration test device according to claim 1, characterized in that: It also includes an anti-splashing mechanism (5); the anti-splashing mechanism (5) includes a first inner sleeve (51), a second inner sleeve (52) and an outer sleeve (53); the outer sleeve (53) is wrapped around the outside of the nozzle (21); One end of the first inner sleeve (51) is connected to the target mechanism (4), and the other end thereof is inserted into one end of the outer sleeve (53); one end of the second inner sleeve (52) is connected to the injection mechanism (2), and the other end thereof is inserted into the other end of the outer sleeve (53); the middle part of the outer sleeve (53) is connected to a drainage pipe (54), and the drainage pipe (54) is fixedly connected to the frame (1) via a support rod (12).

5. The nozzle water jet penetration test device according to claim 1, characterized in that: The target (41) is detachable in the target mechanism (4).

6. A nozzle water jet penetration test device according to claim 4, characterized in that: The target mechanism (4) comprises a base (43) mounted on the frame (1); the end of the base (43) is fixedly connected to the first inner sleeve (51), and the interior of the first inner sleeve (51) is fixedly connected to a mounting plate (44); a mounting hole facing the nozzle (21) is provided at the center of the mounting plate (44); a target holder (45) is inserted into the mounting hole; the target holder (45) is provided with a slit and a central screw hole; a clamping plate serving as the target (41) is inserted into the slit, and is tightened by a hollow bolt (46) connected to the central screw hole to be fixedly connected to the target holder (45) as a whole; The pressure strip (47) is connected to the mounting plate (44) by means of screws (48); the inner side of the pressure strip (47) supports the outer end of the hollow bolt (46), and a circular hole (471) coaxially corresponding to the through hole (461) at the center of the hollow bolt (46) is provided at the center of the pressure strip (47).

7. The nozzle water jet penetration test device according to claim 3, characterized in that: It also includes a data recorder (6), a distance sensor (61), a switch quantity sensor (62), a pressure sensor (63) and a micro switch (64); the distance sensor (61) is mounted on the frame (1) and is electrically connected to the data recorder (6); the jet velocity sensor (42) is electrically connected to the data recorder (6); the switch quantity sensor (62) is mounted on the switch mechanism (25) and is electrically connected to the data recorder (6); the pressure sensor (63) is mounted on the injection mechanism (2) and is electrically connected to the data recorder (6); the micro switch (64) is mounted on the penetration recording mechanism (3) and is electrically connected to the data recorder (6).

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