Spraying drop point equipment of oil sprayer

Abstract

The utility model relates to oil sprayer spraying drop point equipment applied to the field of oil sprayer detection, which comprises an operation box, a first partition plate and a second partition plate are fixedly connected to an inner cavity of the operation box, the second partition plate is located above the first partition plate, a baffle is fixedly connected to the upper end of the first partition plate, and the left end of the second partition plate is fixedly connected with the baffle. The front end of the operation box is connected with a plurality of box doors in a rotating mode, the upper end of the first partition plate is connected with a control panel in a rotating mode, the upper end of the second partition plate is fixedly connected with a computer, and a barometer and an oil pressure gauge are fixedly installed on the surface of the computer. Connection of the oil way is adjusted by controlling the air cylinder, the oil way is communicated with the oil injector body when the air cylinder descends, and the oil way is disconnected from the oil injector body when the air cylinder ascends, so that the oil injector body can be replaced, operation of testers can be simplified, detection efficiency is effectively improved, and occupied space of test instruments is reduced.

Description

Technical Field

[0001] The utility model relates to a spray landing point device, in particular to a fuel injector spray landing point device applied to the fuel injector detection field. Background Art

[0002] The injector spray landing point test is a method to evaluate the performance and effect of the injector spray system. It mainly evaluates the performance indicators of the injector such as spray uniformity and coverage by observing the position and size of the spray landing point.

[0003] The specification of Chinese patent CN206158902U discloses a simulated measurement of the spray landing point of a high-pressure direct injection injector. The utility model uses a controller to control a camera to take pictures of the spraying process, so that the distribution of the spray landing point can be intuitively seen from the photos, realizing reliable acquisition of the distribution of the spray landing point of the high-pressure direct injection injector.

[0004] However, the above patent will also have the following problems during use: in the process of simulating the spray landing point of the injector, it is necessary to connect the oil circuit with the injector and spray oil mist onto the surface of the oil receiving paper through the injector. However, the existing patent has many types of operating instruments and occupies a large space. When replacing the injector, the oil circuit needs to be disassembled and assembled multiple times. Not only is the operation process complicated, but it also requires the cooperation of multiple people, thereby reducing the efficiency of spray landing point detection. Utility Model Content

[0005] In response to the above-mentioned existing technologies, the technical problem to be solved by the present invention is that the existing spray landing point detection equipment has many types of operating instruments and occupies a large space. When replacing the injector, the oil circuit needs to be disassembled and assembled multiple times. Not only is the operation process complicated, but it also requires the cooperation of multiple people, thereby reducing the efficiency of spray landing point detection.

[0006] In order to solve the above problems, the utility model provides a kind of oil atomizer spray drop equipment, including operation box, the inner chamber of operation box is fixedly connected with baffle one and baffle two, baffle two is located above baffle one, the upper end of baffle one is fixedly connected with baffle, the left end of baffle two is fixedly connected with baffle, the front end of operation box is rotatably connected with multiple cabinet doors, the upper end of baffle one is rotatably connected with control panel, the upper end of baffle two is fixedly connected with computer, the surface of computer is fixedly installed with barometer and oil pressure gauge, barometer is located above oil pressure gauge, the upper end of baffle one is also fixedly connected with detection component, detection component is located at the left side of control panel, the inner bottom wall of operation box is fixedly connected with oil tank and pneumatic booster pump, oil tank is located at the left side of pneumatic booster pump, detection component includes the positioning plate fixedly connected with the upper end of baffle one, the upper end of positioning plate is fixedly connected with support rod in four corners, the upper end of positioning plate is fixedly connected with lifting platform, two mounting plates are equipped above lifting platform, the upper end of support rod is fixedly penetrated through lower mounting plate, the upper end of upper mounting plate is fixedly penetrated through cylinder, the lower end of cylinder is fixedly connected with oil pipe connection valve block, the upper end of lower mounting plate is inserted with oil atomizer body in the middle part.

[0007] In the above-mentioned oil atomizer spray drop equipment, a variety of test instruments are integrated, the oil atomizer body can be directly inserted, the connection of the oil circuit is adjusted by controlling the cylinder, the oil circuit is communicated with the oil atomizer body when the cylinder descends, the oil circuit is disconnected with the oil atomizer body when the cylinder rises, and the oil atomizer body can be replaced at this time, which can simplify the operation of the test personnel, effectively improve the detection efficiency, and reduce the space occupied by the test instrument.

[0008] As a further improvement of the present application, the upper end of the upper mounting plate is also fixedly penetrated through two limiting tubes, a limiting rod is inserted into the limiting tube, and the lower end of the limiting rod is fixedly connected with the upper end of the oil pipe connection valve block.

[0009] As a further improvement of the present application, the lifting platform, the cylinder, the oil pipe connection valve block and the oil atomizer body are coaxially arranged, the lifting platform, the cylinder, the oil pipe connection valve block, the oil atomizer body and the pneumatic booster pump are electrically connected with the computer, and the control panel, the barometer and the oil pressure gauge are signal connected with the computer.

[0010] As another improvement of the present application, the upper end of the lifting platform is fixedly connected with a negative pressure adsorption assembly, the negative pressure adsorption assembly includes a placement plate, the left end of the placement plate is fixedly connected with an air suction pipe, a plurality of anti-skid strips are embedded on the upper end of the placement plate, and a plurality of adsorption holes are opened on the upper end of the anti-skid strip.

[0011] As a further improvement of the present application, the placement plate is of hollow structure, the air suction pipe is communicated with the placement plate, and the anti-skid strip is made of rubber material.

[0012] To sum up, in actual application, the pneumatic booster pump is controlled by the air source to provide stable oil pressure to the injector body, the cylinder descends, and the oil pipe connecting the valve block is connected to the injector body. At this time, the oil circuit is connected to the injector body, the cylinder rises, and the oil circuit is disconnected from the injector body. At this time, the injector body can be replaced, and the computer controls the injector body to open and spray oil mist. The oil mist falls on the surface of the oil receiving paper on the lifting platform. The test personnel calculate the injector performance parameters by observing the position of the oil mist landing point and the size of the oil spot on the oil receiving paper. It can not only simplify the operation of the test personnel, effectively improve the detection efficiency, but also reduce the space occupied by the test equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the three-dimensional structure of the first embodiment of the present application;

[0014] Figure 2 This is a structural front view of the first embodiment of the present application;

[0015] Figure 3 This is a cross-sectional view of the operating box structure according to the first embodiment of the present application;

[0016] Figure 4 This is a front view of the detection component structure of the first embodiment of the present application;

[0017] Figure 5 This is a schematic diagram of the three-dimensional structure of the detection component of the first embodiment of the present application;

[0018] Figure 6 This is a front view of the detection component structure of the second embodiment of the present application;

[0019] Figure 7 This is a schematic structural diagram of the negative pressure adsorption component of the second embodiment of the present application.

[0020] Description of the numbers in the figure:

[0021] 1. Operation box, 2. Partition 1, 3. Partition 2, 4. Baffle, 5. Control panel, 6. Computer, 7. Air pressure gauge, 8. Oil pressure gauge, 9. Oil storage tank, 10. Pneumatic booster pump, 11. Positioning plate, 12. Lifting platform, 13. Mounting plate, 14. Cylinder, 15. Oil pipe connecting valve block, 16. Injector body, 17. Limiting pipe, 18. Limiting rod, 19. Placement plate, 20. Intake pipe, 21. Anti-slip strip. DETAILED DESCRIPTION

[0022] Two implementation modes of the present application are described in detail below with reference to the accompanying drawings.

[0023] The first implementation method:

[0024] Figure 1 、 Figure 2 and Figure 3The utility model shows: a fuel injector spray drop point equipment, the inner chamber of operation box 1 is fixedly connected with baffle one 2 and baffle two 3, baffle two 3 is located baffle one 2's top, the upper end of baffle one 2 is fixedly connected with baffle 4, baffle one 2, baffle two 3 and baffle 4 can divide the operation box 1 inside into multiple spaces, to facilitate the installation use of different instruments, the left end of baffle two 3 is fixedly connected with baffle 4, the front end of operation box 1 is rotatably connected with a plurality of box doors, the upper end of baffle one 2 is rotatably connected with control panel 5, the upper end of baffle two 3 is fixedly connected with computer 6, the surface of computer 6 is fixedly installed with air pressure gauge 7 and oil pressure gauge 8, air pressure gauge 7 is located oil pressure gauge 8's top, air pressure gauge 7 and oil pressure gauge 8 can real-time monitoring equipment's air pressure and oil pressure, the inner bottom wall of operation box 1 is fixedly connected with oil storage tank 9 and pneumatic booster pump 10, oil storage tank 9 is located the left side of pneumatic booster pump 10, the upper end of baffle one 2 is also fixedly connected with detection assembly, and detection assembly is located control panel 5's left side.

[0025] Figure 3 、 Figure 4 and Figure 5 The utility model shows: detection assembly includes with baffle one 2 upper end fixed connection's locating plate 11, the upper end of locating plate 11 four corners is fixedly connected with support rod, the upper end of locating plate 11 is fixedly connected with lifting platform 12, and lifting platform 12 is prior art, usually through motor drives the table surface up and down movement, here is not the emphasis of the equipment, and here will not be too much, the upper of lifting platform 12 is equipped with two mounting plates 13, and the upper end of support rod is fixedly penetrated below mounting plate 13, and support rod can support and fix two mounting plates 13, and the upper end of upper mounting plate 13 is fixedly penetrated with air cylinder 14, and the lower end of air cylinder 14 is fixedly connected with oil pipe connection valve block 15, and the upper end of below mounting plate 13 is inserted with fuel injector body 16, and air cylinder 14 extends, and oil pipe connection valve block 15 falls, and its lower end is in contact with fuel injector body 16, at this time, oil circuit is communicated with fuel injector body 16, air cylinder 14 contracts, and oil pipe connection valve block 15 moves up, and its lower end is separated from fuel injector body 16, and oil circuit is disconnected with fuel injector body 16, so as to facilitate the replacement of fuel injector body 16, the upper end of upper mounting plate 13 is also fixedly penetrated with two limit tubes 17, and limit tube 17 is inserted with limit rod 18, and the lower end of limit rod 18 is fixedly connected with the upper end of oil pipe connection valve block 15, can effectively improve the stability when oil pipe connection valve block 15 moves, lifting platform 12, air cylinder 14, oil pipe connection valve block 15 and fuel injector body 16 are coaxially arranged, so that oil pipe connection valve block 15 can be stably connected with fuel injector body 16 when moving down, lifting platform 12, air cylinder 14, oil pipe connection valve block 15, fuel injector body 16 and pneumatic booster pump 10 are electrically connected with computer 6, and control panel 5, air pressure gauge 7 and oil pressure gauge 8 are signal connected with computer 6.

[0026] In the spray drop detection of the plurality of oil injector bodies 16, the external air source controls the pneumatic booster pump 10 to provide stable oil pressure for the oil injector body 16, the air cylinder 14 is started to be elongated, the oil pipe connecting valve block 15 falls, the lower end thereof is clamped with the oil injector body 16, at this time, the oil circuit is communicated with the oil injector body 16, the air cylinder 14 is contracted, the oil pipe connecting valve block 15 moves upward, the lower end thereof is separated from the oil injector body 16, the oil circuit is disconnected with the oil injector body 16, at this time, the oil injector body 16 can be replaced, the computer 6 controls the oil injector body 16 to be opened, the oil mist is sprayed, the oil mist falls on the surface of the oil receiving paper on the lifting platform 12, the test personnel observe the oil mist drop position and the oil stain size on the oil receiving paper to calculate the performance parameters of the oil injector body 16, which not only can simplify the operation of the test personnel, effectively improve the detection efficiency, but also can reduce the space occupied by the test instrument.

[0027] The second embodiment is as follows:

[0028] The embodiment adds a negative pressure adsorption assembly on the basis of the first embodiment, and the remaining parts are consistent with the first embodiment.

[0029] Figure 7 The upper end of the lifting platform 12 is fixedly connected with a negative pressure adsorption assembly, the negative pressure adsorption assembly comprises a placing plate 19, the left end of the placing plate 19 is fixedly connected with a suction pipe 20, the upper end of the placing plate 19 is fixedly embedded with a plurality of anti-skid strips 21, the upper end of the anti-skid strip 21 is drilled with a plurality of adsorption holes, the placing plate 19 is a hollow structure, the suction pipe 20 is communicated with the placing plate 19, the anti-skid strip 21 is made of rubber material, the anti-skid strip 21 can effectively improve the friction between the oil receiving paper and the placing plate 19, so that the oil receiving paper is not easy to slide, and the suction pipe 20 and the pneumatic booster pump 10 are fixedly connected with the external air source.

[0030] When the oil receiving paper is placed below the oil injector body 16, the oil receiving paper is located on the surface of the placing plate 19, the oil receiving paper covers a plurality of adsorption holes, and then the external air source sucks out the air in the placing plate 19, so that the placing plate 19 is in a negative pressure state, thereby adsorbing and fixing the oil receiving paper, effectively avoiding the displacement of the oil receiving paper in the spraying process, effectively improving the accuracy of the spray drop, and effectively improving the detection accuracy.

[0031] In combination with the current actual demand, the above-mentioned embodiments adopted by the present application do not limit the protection scope, various changes made within the knowledge range of the skilled in the art without departing from the concept of the present application still fall within the protection range of the present application.

Claims

1. A fuel injector spray point device, comprising an operating box (1), characterized in that: The inner cavity of the operation box (1) is fixedly connected with a partition plate 1 (2) and a partition plate 2 (3), the partition plate 2 (3) is located above the partition plate 1 (2), the upper end of the partition plate 1 (2) is fixedly connected with a baffle plate (4), the left end of the partition plate 2 (3) is fixedly connected to the baffle plate (4), the front end of the operation box (1) is rotatably connected with a plurality of box doors, the upper end of the partition plate 1 (2) is rotatably connected with a control panel (5), the upper end of the partition plate 2 (3) is fixedly connected with a computer (6), the surface of the computer (6) is fixedly mounted with an air pressure gauge (7) and an oil pressure gauge (8), the air pressure gauge (7) is located above the oil pressure gauge (8), the upper end of the partition plate 1 (2) is also fixedly connected with a detection component, and the detection component is located on the left side of the control panel (5); The inner bottom wall of the operating box (1) is fixedly connected to an oil storage tank (9) and a pneumatic booster pump (10), and the oil storage tank (9) is located on the left side of the pneumatic booster pump (10). The detection component includes a positioning plate (11) fixedly connected to the upper end of the partition (2), and the four corners of the upper end of the positioning plate (11) are fixedly connected to support rods. The middle part of the upper end of the positioning plate (11) is fixedly connected to a lifting platform (12), and two mounting plates (13) are provided above the lifting platform (12). The upper end of the support rod is fixedly passed through the lower mounting plate (13), and the upper end of the upper mounting plate (13) is fixedly passed through a cylinder (14), and the lower end of the cylinder (14) is fixedly connected to an oil pipe connecting valve block (15), and the middle part of the upper end of the lower mounting plate (13) is inserted with an injector body (16).

2. The fuel injector spray point device according to claim 1, characterized in that: Two limiting tubes (17) are fixedly passed through the upper end of the upper mounting plate (13), and limiting rods (18) are inserted into the limiting tubes (17). The lower ends of the limiting rods (18) are fixedly connected to the upper end of the oil pipe connecting valve block (15).

3. The fuel injector spray landing device according to claim 1, characterized in that: The lifting platform (12), the cylinder (14), the oil pipe connecting valve block (15) and the injector body (16) are coaxially arranged. The lifting platform (12), the cylinder (14), the oil pipe connecting valve block (15), the injector body (16) and the pneumatic booster pump (10) are all electrically connected to the computer (6). The control panel (5), the air pressure gauge (7) and the oil pressure gauge (8) are all signal-connected to the computer (6).

4. The fuel injector spray point device according to claim 1, characterized in that: The upper end of the lifting platform (12) is fixedly connected to a negative pressure adsorption component, and the negative pressure adsorption component includes a placement plate (19), the left end of the placement plate (19) is fixedly connected to an air suction pipe (20), and the upper end of the placement plate (19) is fixedly inlaid with a plurality of anti-slip strips (21), and the upper end of the anti-slip strips (21) is drilled with a plurality of adsorption holes.

5. The fuel injector spray landing device according to claim 4, characterized in that: The placement plate (19) is a hollow structure, the suction pipe (20) is connected to the placement plate (19), and the anti-slip strip (21) is made of rubber material.

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