CN217542354U - Dynamic flow testing machine for oil nozzle - Google Patents
Dynamic flow testing machine for oil nozzle Download PDFInfo
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- CN217542354U CN217542354U CN202220564414.7U CN202220564414U CN217542354U CN 217542354 U CN217542354 U CN 217542354U CN 202220564414 U CN202220564414 U CN 202220564414U CN 217542354 U CN217542354 U CN 217542354U
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Abstract
The utility model provides an oil nozzle dynamic flow test testing machine, in the course of the work, lead screw motor drive flow control connects the motion of the examination oil nozzle that awaits measuring that is close to on the unable adjustment base, can connect through the input of examination oil nozzle that awaits measuring to make flow control connect the drive to await measuring the downstream motion of the bayonet lock of being responsible for the control flow on the oil nozzle that awaits measuring. The oil delivery pump delivers oil in the oil storage barrel to the flow control joint through each oil delivery pipe so as to input the oil to the oil nozzle to be tested. The oil enters the test oil tank after passing through the oil nozzle to be tested, and the weight measuring instrument is used for weighing the quality of the oil in the test oil tank and the test oil tank. The control mechanism combines the displacement of the screw rod motor, the oil pressure value on the pressure regulating valve and the numerical value weighed by the weight measuring instrument to judge whether the oil nozzle to be tested is qualified or not. After the test is finished, the oil pump pumps the oil in the test oil tank back into the oil storage barrel through the oil pumping pipe. The oil nozzle dynamic flow testing machine is simple and delicate in structure.
Description
Technical Field
The utility model relates to an oil sprayer test field especially relates to oil sprayer dynamic flow test testing machine.
Background
The fuel injector is one of key parts in a fuel system, and the manufacturing level of the fuel injector directly influences the injection effect of the fuel system, so that various indexes of an engine are influenced. Along with stricter emission regulations, the electric control high-pressure common rail technology is widely applied, and motorcycle fuel systems are developed to higher injection pressure and higher flow control precision. Therefore, the flow measurement requirement of the oil nozzle is more accurate, the accuracy is generally required to be +/-3%, and the flow measurement speed of the oil nozzle is required to be controlled within 15S. The motorcycle type is more and more along with on the market, and the fuel sprayer also adapts to market requirement, and different fuel sprayers are also different to motorcycle discharge capacity and oil consumption control, and the fuel sprayer characteristic to independently researching and developing is different, nevertheless need independently research and development corresponding complete machine test board to furthest simulation fuel sprayer's performance.
However, the conventional oil nozzle experiment table has low accuracy in testing the dynamic flow of the oil nozzle, is large in size, and is complex and expensive in equipment.
SUMMERY OF THE UTILITY MODEL
Based on this, it is necessary to provide an oil nozzle dynamic flow test testing machine to the technical problems that the traditional oil nozzle experiment table is low in test precision of oil nozzle dynamic flow, large in size, complex in equipment and expensive.
The utility model provides an oil nozzle dynamic flow test testing machine, this oil nozzle dynamic flow test testing machine includes: the device comprises a supporting cabinet, an oil storage barrel, an oil liquid input mechanism, a flow control joint, a testing mechanism, an oil liquid recovery mechanism and a control mechanism;
the oil input mechanism comprises an oil delivery pump, a pressure regulating valve and a plurality of oil delivery pipes, the input end of the oil delivery pump is communicated with the output end of the oil storage barrel through one oil delivery pipe, and the output end of the oil delivery pump is connected with the pressure regulating valve through one oil delivery pipe; the pressure regulating valve is communicated with the flow control joint through the oil delivery pipe;
the testing mechanism comprises a screw rod motor, a fixed base, a testing oil tank, a weight measuring instrument and a U-shaped connecting plate; the screw rod motor is connected with the supporting cabinet; the fixed base is arranged on the supporting cabinet and used for bearing an oil nozzle to be tested; the screw rod motor is in driving connection with the flow control connector, the screw rod motor drives the flow control connector to move close to or far away from an oil spray nozzle to be tested on the fixed base, the flow control connector moves close to the oil spray nozzle to be tested, the input end of the oil spray nozzle is communicated, and the flow control connector drives a bayonet lock which is responsible for controlling flow and is arranged on the oil spray nozzle to be tested to move downwards; the input end of the test oil tank is communicated with the output end of the oil nozzle to be tested; the test oil tank is arranged on the weight measuring instrument, and the weight measuring instrument is used for weighing the test oil tank and the mass of the oil in the test oil tank; the weight measuring instrument is connected with the supporting cabinet through the U-shaped connecting plate;
the oil recovery mechanism comprises an oil well pump and at least two oil pumping pipes, the input end of the oil well pump is communicated with the output end of the test oil tank through one oil pumping pipe, and the output end of the oil well pump is communicated with the input end of the oil storage barrel through one oil pumping pipe;
the oil feeding pump, the pressure regulating valve, the screw rod motor, the weight measuring instrument and the oil well pump are all electrically connected with the control mechanism.
In one embodiment, the oil input mechanism further comprises a back pressure valve, the back pressure valve is arranged on the oil feeding pipe between the pressure regulating valve and the flow control joint, and the back pressure valve is electrically connected with the control mechanism.
In one embodiment, the oil input mechanism further comprises a gas solenoid valve, the gas solenoid valve is arranged on the oil delivery pipe between the pressure regulating valve and the flow control joint, and the gas solenoid valve is electrically connected with the control mechanism.
In one embodiment, the oil recovery mechanism further comprises a gas solenoid valve, the gas solenoid valve is arranged on the oil feeding pipe between the test oil tank and the oil well pump, and the gas solenoid valve is electrically connected with the control mechanism.
In one embodiment, the control mechanism is disposed on the support cabinet.
In one embodiment, the bottom of the supporting cabinet is provided with a plurality of supporting feet.
In one embodiment, each supporting foot is uniformly arranged around the bottom of the supporting cabinet.
In one embodiment, the bottom of the supporting foot is provided with a non-slip mat.
In one embodiment, the fuel injection nozzle dynamic flow testing machine further comprises a double start button, and the double start button is electrically connected with the control mechanism.
In one embodiment, the oil feeding pump and the oil well pump are both contained in the supporting cabinet.
The dynamic flow testing machine for the oil nozzle is used for arranging the oil nozzle to be tested on the fixed base in the working process, so that the output end of the oil nozzle to be tested is communicated with the input end of the testing oil tank. The screw rod motor drives the flow control joint to move close to an oil nozzle to be tested on the fixed base, the input end of the oil nozzle to be tested is connected, and the flow control joint drives a clamping pin which is used for controlling flow and arranged on the oil nozzle to be tested to move downwards. It should be noted that the downward movement distance of the bayonet pin responsible for controlling the flow rate on the fuel injection nozzle to be tested is in direct proportion to the opening of the fuel injection nozzle to be tested. The oil delivery pump delivers oil in the oil storage barrel to the flow control joint through each oil delivery pipe so as to input the oil to the oil nozzle to be tested. The oil enters the test oil tank after passing through the oil nozzle to be tested, and the weight measuring instrument is used for weighing the quality of the oil in the test oil tank and the test oil tank. The control mechanism combines the displacement of the screw rod motor, the oil pressure value on the pressure regulating valve and the numerical value weighed by the weight measuring instrument to judge whether the oil nozzle to be tested is qualified or not. After the test is finished, the oil pump pumps the oil in the test oil tank back to the oil storage barrel through the oil pumping pipe. The testing machine for testing the dynamic flow of the oil nozzle has a simple and delicate structure and is high in testing precision of the dynamic flow of the oil nozzle.
Drawings
FIG. 1 is a schematic structural diagram of a dynamic flow testing machine of an oil nozzle in one embodiment;
FIG. 2 is a schematic diagram of the construction of a flow control fitting in one embodiment;
FIG. 3 is a schematic view of another view of the flow control connector of the embodiment of FIG. 2;
FIG. 4 is a schematic view of a portion of a flow control fitting in accordance with one embodiment;
FIG. 5 is a schematic view of a portion of a flow control fitting in accordance with one embodiment.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be embodied in many other forms different from those described herein and similar modifications may be made by those skilled in the art without departing from the spirit and scope of the invention and, therefore, the invention is not to be limited to the specific embodiments disclosed below. In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Referring to fig. 1, the present invention provides an oil nozzle dynamic flow testing machine 10, the oil nozzle dynamic flow testing machine 10 includes: the device comprises a supporting cabinet 200, an oil storage barrel 300, an oil liquid input mechanism 400, a flow control joint 100, a testing mechanism 600, an oil liquid recovery mechanism 700 and a control mechanism 800.
The oil input mechanism 400 includes an oil feed pump 410, a pressure regulating valve 420, and a plurality of oil feed pipes 430, an input end of the oil feed pump 410 is communicated with an output end of the oil reservoir 300 through an oil feed pipe 430, and an output end of the oil feed pump 410 is connected with the pressure regulating valve 420 through an oil feed pipe 430. The pressure regulating valve 420 is in communication with the flow control connector 100 through a feed line 430.
The testing mechanism 600 includes a screw motor 610, a stationary base 620, a test oil tank 630, a weight measuring instrument 640, and a U-shaped connection plate 650. The lead screw motor 610 is connected with the supporting cabinet 200. The fixed base 620 is disposed on the supporting cabinet 200 for carrying the fuel injector to be tested. The screw rod motor 610 is in driving connection with the flow control connector 100, the screw rod motor 610 drives the flow control connector 100 to move close to or far away from an oil nozzle to be tested on the fixed base 620, the flow control connector 100 moves close to the oil nozzle to be tested and can be connected with the input end of the oil nozzle, and the flow control connector 100 drives a bayonet pin which is responsible for controlling flow on the oil nozzle to be tested to move downwards. The input end of the test oil tank 630 is communicated with the output end of the oil nozzle to be tested. The test tank 630 is disposed on a gravimetric measuring instrument 640, and the gravimetric measuring instrument 640 is used to weigh the test tank 630 and the mass of oil in the test tank 630. The weight measuring instrument 640 is connected to the support cabinet 200 through a U-shaped connection plate 650.
The oil recovery mechanism 700 includes an oil pump 710 and at least two oil pumping pipes 720, an input end of the oil pump 710 is communicated with an output end of the test oil tank 630 through one oil pumping pipe 720, and an output end of the oil pump 710 is communicated with an input end of the oil storage barrel 300 through one oil pumping pipe 720.
In the present embodiment, the oil feeding pump 410 and the oil pump 710 are both accommodated in the supporting cabinet 200 to increase the structural compactness of the dynamic flow testing machine 10 for the oil nozzle. The oil pump 410, the pressure regulating valve 420, the lead screw motor 610, the weight measuring instrument 640 and the oil pump 710 are electrically connected with the control mechanism 800. In this embodiment, the control mechanism 800 is a lower computer. Specifically, the control mechanism 800 is a PLC, and in another embodiment, the control mechanism 800 is a single chip. In other embodiments, the control mechanism 800 includes an upper computer and a lower computer, the upper computer being electrically connected to the lower computer. The control mechanism 800 controls the oil pump 410, the pressure regulating valve 420, the lead screw motor 610, the weight measuring instrument 640, and the oil pump 710 to operate in coordination. In one embodiment, the injector dynamic flow tester 10 further comprises a dual start button 500, and the dual start button 500 is electrically connected to the control mechanism 800 to further reduce the probability of incorrect operation of the injector dynamic flow tester 10. In one embodiment, the control mechanism 800 is disposed on the support cabinet 200.
In order to increase the operation stability of the oil input mechanism 400, referring to fig. 1, in one embodiment, the oil input mechanism 400 further includes a back pressure valve 440, the back pressure valve 440 is disposed on the oil feed pipe 430 between the pressure regulating valve 420 and the flow control joint 100, and the back pressure valve 440 is electrically connected to the control mechanism 800. Further, in this embodiment, the oil input mechanism 400 further includes a gas solenoid valve, the gas solenoid valve is disposed on the oil feed pipe 430 between the pressure regulating valve 420 and the flow control joint 100, and the gas solenoid valve is electrically connected to the control mechanism 800. Thus, the working stability of the oil input mechanism 400 is increased
In order to increase the operation stability of the oil recovery mechanism 700, in one embodiment, the oil recovery mechanism 700 further includes a gas solenoid valve disposed on the oil feed pipe 430 between the test tank 630 and the oil pump 710, and the gas solenoid valve is electrically connected to the control mechanism 800. Thus, the working stability of the oil recovery mechanism 700 is increased.
Referring to fig. 1, in order to increase the structural stability of the supporting cabinet 200, in one embodiment, a plurality of supporting legs 210 are disposed at the bottom of the supporting cabinet 200 to increase the moisture resistance of the supporting cabinet 200 and other electronic devices. Further, in the present embodiment, the supporting legs 210 are uniformly arranged around the bottom of the supporting cabinet 200. In particular, in one embodiment, the bottom of the supporting foot 210 is provided with a non-slip pad to increase the positional stability of the supporting cabinet 200.
In the working process of the dynamic flow testing machine 10 for the oil nozzle, the oil nozzle to be tested is arranged on the fixed base 620, so that the output end of the oil nozzle to be tested is communicated with the input end of the testing oil tank 630. The screw motor 610 drives the flow control connector 100 to move close to the oil nozzle to be tested on the fixed base 620, and the input end of the oil nozzle to be tested is connected, so that the flow control connector 100 drives the bayonet pin responsible for controlling the flow on the oil nozzle to be tested to move downwards. It should be noted that the downward movement distance of the bayonet pin responsible for controlling the flow rate on the fuel injection nozzle to be tested is in direct proportion to the opening of the fuel injection nozzle to be tested. The oil feed pump 410 delivers oil in the oil tank 300 to the flow control joint 100 through the oil feed pipes 430 to input the oil to the injector to be tested. The oil enters the test oil tank 630 after passing through the oil nozzle to be tested, and the weight measuring instrument 640 is used for weighing the test oil tank 630 and the quality of the oil in the test oil tank 630. The control mechanism 800 combines the displacement of the lead screw motor 610, the oil pressure value on the pressure regulating valve 420 and the value measured by the weight measuring instrument 640 to determine whether the fuel injector to be tested is qualified. After the test is completed, the oil pump 710 pumps the oil in the test tank 630 back to the oil storage barrel 300 through the oil pumping pipe 720. The testing machine 10 for testing the dynamic flow of the oil nozzle has a simple and delicate structure and is high in testing precision of the dynamic flow of the oil nozzle.
Referring also to fig. 2-5, the flow control connector 100 includes: a driving cylinder 110, a limit connecting mechanism 120 and a seal adjusting mechanism 130. The driving cylinder 110 drives the sealing adjusting mechanism 130 to move up and down through the limit connecting mechanism 120. The driving cylinder 110 is provided on the supporting cabinet 200.
The limiting connection mechanism 120 comprises an L-shaped connection plate 121, a T-shaped connection block 122 and a plurality of limiting screws 123. Two inner side walls of the L-shaped connecting plate 121 face the driving cylinder 110, and the driving cylinder 110 is in driving connection with one inner side wall of the L-shaped connecting plate 121. The portion of the L-shaped connecting plate 121 near the driving end of the driving cylinder 110 is opened with a plurality of threaded holes 101, and in this embodiment, the threaded holes 101 are uniformly opened on the L-shaped connecting plate 121. The threaded holes 101 are matched with the limit screws 123, and each limit screw 123 is correspondingly inserted into one threaded hole 101 and is in threaded connection with the L-shaped connecting plate 121. The side of the L-shaped connecting plate 121 facing away from the cylinder body of the driving cylinder 110 is connected to a T-shaped connecting block 122.
The seal adjustment mechanism 130 includes an oil inlet joint 131, an oil guide pipe 132, a cushion pressure block 133, a compression spring 134, an accommodating block 135, an O-ring 136, and an oil outlet nozzle 137. The oil feed joint 131 communicates with the oil outlet nozzle 137 through the oil guide pipe 132. The buffering pressing block 133 is provided with a fixing hole 102, the oil guide pipe 132 is matched with the fixing hole 102, and part of the oil guide pipe 132 is inserted into the fixing hole 102 and connected with the buffering pressing block 133. The T-shaped connection block 122 is connected to the receiving block 135. The accommodating block 135 is provided with a sliding groove 103, the sliding groove 103 is matched with an oil guide pipe 132, and the oil guide pipe 132 is inserted in the sliding groove 103 and is slidably connected with the accommodating block 135. The compression spring 134 is matched with the oil guide pipe 132, and the compression spring 134 is sleeved on the part of the oil guide pipe 132 between the buffer pressing block 133 and the accommodating block 135. One end of the compression spring 134 is connected to the buffer pressing block 133, and the other end of the compression spring 134 is connected to the accommodating block 135. One end of the sliding groove 103, which is far away from the compression spring 134, is provided with an accommodating cavity 104, the accommodating cavity 104 is matched with an O-ring 136, and the O-ring 136 is accommodated in the accommodating cavity 104 and connected with an accommodating block 135. The oil outlet 137 is exposed to the sliding groove 103.
In the working process of the flow control joint 100, the driving cylinder 110 drives the sealing adjusting mechanism 130 to move downwards through the L-shaped connecting plate 121 and the T-shaped connecting block 122, so that the O-shaped sealing ring 136 abuts against the oil nozzle to be detected. The distance between the limit screw 123 and the driving cylinder 110 is adjusted by rotating the limit screw 123 to adjust the lowest position of the L-shaped connecting plate 121 pressed downwards, so that the lowest position of the accommodating block 135 pressed downwards is adjusted to fit the position height of the fuel injector to be tested. The screw rod motor 610 drives the buffer pressing block 133 to move close to the containing block 135 so as to drive the oil guide pipe 132 to move downwards, so that the oil outlet nozzle 137 drives the bayonet pin responsible for controlling the flow on the oil injection nozzle to be tested to move downwards. It should be noted that the downward movement distance of the bayonet pin responsible for controlling the flow rate on the fuel injection nozzle to be tested is in direct proportion to the opening of the fuel injection nozzle to be tested.
In order to avoid mutual abrasion between the cylinder body of the driving cylinder 110 and the limit screw 123, in one embodiment, a buffer pad is disposed at one end of the limit screw 123 close to the driving cylinder 110, the buffer pad prevents the cylinder body of the driving cylinder 110 from directly and rigidly contacting the limit screw 123, buffers the ground pressure between the cylinder body of the driving cylinder 110 and the limit screw 123, and prevents the cylinder body of the driving cylinder 110 and the limit screw 123 from mutual abrasion. In this embodiment, the cushion pad is a soft rubber pad, and the soft rubber pad has a certain elasticity, good toughness and excellent corrosion resistance. In another embodiment, the cushion pad is a soft silicone pad. In yet another embodiment, the cushioning pad is a soft plastic pad. Thus, the cushion pad prevents the cylinder body of the driving cylinder 110 and the limit screw 123 from being worn away from each other.
In order to increase the working stability of the position-limiting connection mechanism 120, in one embodiment, the position-limiting connection mechanism 120 further includes a plurality of position-limiting nuts 124, the position-limiting nuts 124 are adapted to the position-limiting screws 123, and each position-limiting nut 124 is screwed with one position-limiting screw 123 to further define the position of the position-limiting screw 123. In another embodiment, every two limit nuts 124 are screwed with a limit screw 123, and the two limit nuts 124 screwed with a limit screw 123 are respectively arranged at two sides of the L-shaped connecting plate 121 and are abutted against the L-shaped connecting plate 121, so as to stably fix the relative positions of the limit screw 123 and the L-shaped connecting plate 121. Thus, the operational stability of the spacing connection mechanism 120 is increased.
In order to increase the working stability of the flow control joint 100, in one embodiment, a sliding groove is formed on the inner wall of the L-shaped connecting plate 121 close to the cylinder body of the driving cylinder 110, a limit slider is arranged on the rod body of the driving cylinder 110, the limit slider is matched with the sliding groove, and the limit slider is inserted into the sliding groove and is slidably connected with the L-shaped connecting plate 121. The L-shaped connection plate 121 is prevented from shaking left and right in the up-and-down movement process, and thus the seal adjusting mechanism 130 is prevented from shaking left and right in the up-and-down movement process, thus increasing the operation stability of the flow control joint 100.
In order to increase the sealing performance of the flow control joint 100, in one embodiment, the sealing adjustment mechanism 130 further includes a prevention sealing ring 138, a receiving groove 105 is formed in a portion of the sliding groove 103 close to the compression spring 134, the receiving groove 105 is adapted to the prevention sealing ring 138, and the prevention sealing ring 138 is received in the receiving groove 105 and connected to the receiving block 135. The preventive sealing ring 138 is adapted to the oil guiding pipe 132, and the preventive sealing ring 138 is sleeved on the oil guiding pipe 132 and is in sealing contact with the outer wall of the oil guiding pipe 132. In the present embodiment, the preventive seal 138 is a skeletal seal. The preventive sealing ring 138 can perform secondary sealing on the accommodating block 135, so as to prevent oil from penetrating outwards along the outer wall of the oil guide pipe 132. Thus, the prevention of the sealing ring 138 increases the sealing performance of the flow control fitting 100.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent several embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. The utility model provides an oil nozzle dynamic flow testing machine which characterized in that includes: the device comprises a supporting cabinet, an oil storage barrel, an oil liquid input mechanism, a flow control joint, a testing mechanism, an oil liquid recovery mechanism and a control mechanism;
the oil input mechanism comprises an oil delivery pump, a pressure regulating valve and a plurality of oil delivery pipes, the input end of the oil delivery pump is communicated with the output end of the oil storage barrel through one oil delivery pipe, and the output end of the oil delivery pump is connected with the pressure regulating valve through one oil delivery pipe; the pressure regulating valve is communicated with the flow control joint through the oil delivery pipe;
the testing mechanism comprises a screw motor, a fixed base, a testing oil tank, a weight measuring instrument and a U-shaped connecting plate; the screw rod motor is connected with the supporting cabinet; the fixed base is arranged on the supporting cabinet and used for bearing an oil nozzle to be tested; the screw rod motor is in driving connection with the flow control connector, the screw rod motor drives the flow control connector to move close to or far away from an oil spray nozzle to be tested on the fixed base, the flow control connector moves close to the oil spray nozzle to be tested, the input end of the oil spray nozzle is communicated, and the oil spray nozzle drives a bayonet lock which is responsible for controlling flow and is arranged on the oil spray nozzle to be tested to move downwards; the input end of the test oil tank is communicated with the output end of the oil nozzle to be tested; the test oil tank is arranged on the weight measuring instrument, and the weight measuring instrument is used for weighing the test oil tank and the mass of the oil in the test oil tank; the weight measuring instrument is connected with the supporting cabinet through the U-shaped connecting plate;
the oil recovery mechanism comprises an oil well pump and at least two oil pumping pipes, the input end of the oil well pump is communicated with the output end of the test oil tank through one oil pumping pipe, and the output end of the oil well pump is communicated with the input end of the oil storage barrel through one oil pumping pipe;
the oil feeding pump, the pressure regulating valve, the screw rod motor, the weight measuring instrument and the oil well pump are all electrically connected with the control mechanism.
2. The dynamic flow testing machine for the oil nozzle according to claim 1, wherein the oil input mechanism further comprises a back pressure valve, the back pressure valve is arranged on the oil feed pipe between the pressure regulating valve and the flow control joint, and the back pressure valve is electrically connected with the control mechanism.
3. The dynamic flow testing machine for the oil nozzle according to claim 1, wherein the oil input mechanism further comprises a gas solenoid valve, the gas solenoid valve is disposed on the oil feed pipe between the pressure regulating valve and the flow control joint, and the gas solenoid valve is electrically connected to the control mechanism.
4. The dynamic flow testing machine for the oil nozzle according to claim 1, wherein the oil recovery mechanism further comprises a gas solenoid valve, the gas solenoid valve is disposed on the oil feeding pipe between the testing oil tank and the oil well pump, and the gas solenoid valve is electrically connected to the control mechanism.
5. The dynamic flow testing machine of an oil nozzle according to claim 1, wherein the control mechanism is disposed on the support cabinet.
6. The dynamic flow testing machine for the oil nozzle according to claim 1, wherein a plurality of supporting feet are arranged at the bottom of the supporting cabinet.
7. The dynamic flow testing machine of the oil nozzle according to claim 6, wherein each of the supporting legs is uniformly arranged around the bottom of the supporting cabinet.
8. The dynamic flow testing machine of the oil nozzle according to claim 6, wherein the bottom of the supporting foot is provided with a non-slip pad.
9. The dynamic flow testing machine for oil injectors of claim 1, further comprising a dual start button electrically connected to the control mechanism.
10. The dynamic flow testing machine for the oil nozzle according to claim 1, wherein the oil feeding pump and the oil well pump are both contained in the supporting cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220564414.7U CN217542354U (en) | 2022-03-15 | 2022-03-15 | Dynamic flow testing machine for oil nozzle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220564414.7U CN217542354U (en) | 2022-03-15 | 2022-03-15 | Dynamic flow testing machine for oil nozzle |
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| Publication Number | Publication Date |
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| CN217542354U true CN217542354U (en) | 2022-10-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220564414.7U Active CN217542354U (en) | 2022-03-15 | 2022-03-15 | Dynamic flow testing machine for oil nozzle |
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