Integrated oil pump assembly online detection device

Abstract

The utility model relates to the field of oil pump detection devices, in particular to an integrated oil pump assembly online detection device which comprises a fixing tool used for fixing an oil pump. The pressure measuring mechanism is used for detecting the pump pressure when the oil pump is started; the sealing detection mechanism is used for detecting the sealing performance of the oil pump; the circuit measuring mechanism is used for detecting the internal resistance of the oil pump assembly. The oil pump detection device has the effect of improving oil pump detection efficiency.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of oil pump detection device, in particular to an integrated oil pump assembly online detection device. BACKGROUND

[0002] The oil pump needs to be detected after production or sampling to ensure the quality of the oil pump out of the factory. The oil pump assembly includes an oil pump and other devices used with the oil pump. The detection device of the existing oil pump assembly has single detection item, and multiple index detection needs to transfer the oil pump assembly to be detected to different devices, resulting in low detection efficiency. CONTENT OF THE UTILITY MODEL

[0003] In order to improve the problem of low detection efficiency of the oil pump assembly, the present application provides an integrated oil pump assembly online detection device.

[0004] The integrated oil pump assembly online detection device provided by the present application adopts the following technical scheme:

[0005] An integrated oil pump assembly online detection device comprises:

[0006] A fixing tool is used for fixing the oil pump.

[0007] A pressure measuring mechanism is used for detecting the pump pressure when the oil pump starts.

[0008] A sealing detection mechanism is used for detecting the sealing property of the oil pump.

[0009] A circuit measurement mechanism is used for detecting the internal resistance of the oil pump assembly.

[0010] By adopting the above technical scheme, the oil pump assembly is directly tested comprehensively after the oil pump is fixed by the fixing tool, without the need for multiple replacements, so that the detection efficiency is greatly improved.

[0011] Optionally, the pressure measuring mechanism comprises a bidirectional driving member and a gas pressure detection member. The piston rod of the bidirectional driving member is used for abutting against the outlet end of the oil pump. The front chamber of the bidirectional driving member is communicated with a first air pipe. The rear chamber of the bidirectional driving member is communicated with a second air pipe. The gas pressure detection member is used for detecting the gas pressure of the first air pipe, obtaining first gas pressure data and outputting. The gas pressure detection member is also used for detecting the second air pipe, obtaining second gas pressure data and outputting.

[0012] By adopting the above technical scheme, the test and detection of the gas pressure are realized, which is convenient and fast, and improves the detection efficiency.

[0013] Optionally, the sealing detection mechanism comprises an inflation pipe and an inlet plugging driving element, a piston rod of the inlet plugging driving element is used to plug the inlet end of the oil pump, a piston rod of the bidirectional driving element is provided with an inflation cavity in communication with the outlet end of the oil pump, and the inflation pipe is inserted into the piston rod of the bidirectional driving element to communicate with the inflation cavity.

[0014] By adopting the above technical scheme, the oil pumping gas tightness is tested and detected, which is convenient and fast, and the detection efficiency is improved.

[0015] Optionally, the circuit measurement mechanism comprises a magnetic field detection element, the magnetic field detection element is used to detect the magnetic field generated by the rotation of the motor of the oil pump, obtain magnetic field induction data and output.

[0016] By adopting the above technical scheme, the rotation direction of the motor is detected, whether the motor is installed incorrectly is quickly judged, and the detection efficiency is improved.

[0017] Optionally, the circuit measurement mechanism further comprises an electric energy detection module, which is used to detect the current and voltage of the motor of the oil pump assembly at different rotation angles of the float of the oil pump assembly, obtain detection voltage and detection current, and output.

[0018] By adopting the above technical scheme, the rotation of the float to different angles is controlled, the current and voltage of the motor are detected in real time, whether the resistance error fault of the float exists is obtained, and the detection efficiency is improved.

[0019] Optionally, the circuit measurement mechanism further comprises a circuit processing module, the circuit processing module is used to receive the magnetic field induction data, judge whether the motor of the oil pump assembly is correctly rotated after data calculation, obtain motor rotation data and output, and the circuit processing module is also used to receive the detection voltage and the detection current, judge whether the internal resistance of the float of the oil pump assembly at different angles is correct after data calculation, obtain float internal resistance data and output.

[0020] By adopting the above technical scheme, the automatic calculation of the motor rotation and the float test is realized, the results are directly output to the user for viewing, the user can view a large amount of data, and the test efficiency is improved.

[0021] Optionally, the pressure measurement mechanism further comprises a gas pressure calculation module, the gas pressure calculation module receives the first gas pressure data and the second gas pressure data, obtains instantaneous pump pressure data representing the pump pressure when the oil pump starts after data calculation, and outputs.

[0022] By adopting the above technical scheme, the calculation of the instantaneous pump pressure data is automatically realized and output to the user for viewing, and the test efficiency is further improved.

[0023] Optionally, the sealing detection mechanism further comprises a sealing calculation module and an oil pump air pressure detection member, the oil pump air pressure detection member is configured to detect the air pressure in the oil pump, obtain oil pump air pressure data and output the data to the sealing calculation module, and the sealing calculation module is configured to receive the oil pump air pressure data, perform data calculation and obtain oil pump leakage data and output the data.

[0024] By adopting the above technical solution, the calculation of the oil pump leakage data is automatically implemented and output to the user for viewing, thereby further improving the testing efficiency.

[0025] Optionally, the fixing tool comprises a fixing seat and a contact rod, the fixing seat is provided with a fixing groove for mounting the oil pump, and the fixing seat is further provided with a contact hole for allowing the contact rod to pass through and abut against the oil pump, and the contact rod is arranged on the piston rod of the bidirectional driving member.

[0026] By adopting the above technical solution, the oil pump is fixed, the stability is improved, the contact rod is fixed by the bidirectional driving member, an additional driving source is not required, the cost is reduced, and the linkage between the fixing and the detection is improved, i.e., the detection cannot be performed without fixing, and the fixing is implemented at the same time when the detection starts.

[0027] Optionally, the fixing tool further comprises an adjusting plate, the adjusting plate is arranged on the piston rod of the bidirectional driving member, the adjusting plate is provided with an adjusting groove and a stabilizing groove which are in communication with each other, the contact rod is inserted into the adjusting groove, and the stabilizing groove is configured to allow a bolt to be screwed against the contact rod to limit the contact rod.

[0028] By adopting the above technical solution, the length of the contact rod can be adjusted, thereby adapting to oil pumps of various sizes and expanding the adaptation range.

[0029] In summary, the present application has at least one of the following beneficial technical effects:

[0030] 1. The pump oil assembly is directly and comprehensively tested without multiple replacements, thereby greatly improving the detection efficiency.

[0031] 2. Automatic detection and automatic calculation are implemented, thereby improving the detection efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0032] Figure 1 FIG. 1 is a schematic diagram of the overall structure of an integrated oil pump assembly online detection device in an embodiment of the present application.

[0033] Figure 2 FIG. 3 is a schematic diagram of the outlet end of the oil pump.

[0034] Figure 3 FIG. 4 is a schematic diagram of the modules of the integrated oil pump assembly online detection device in the embodiment of the present application.

[0035] Figure 4 is a schematic view of an explosion structure highlighting the inflation cavity.

[0036] BRIEF DESCRIPTION OF DRAWINGS: 1, fixed tool; 11, fixed seat; 12, abutting rod; 121, adjusting plate; 122, adjusting groove; 123, stabilizing groove; 13, fixed groove; 14, abutting hole; 2, pressure measuring mechanism; 21, bidirectional driving member; 211, first air pipe; 212, second air pipe; 213, inflation cavity; 22, air pressure detecting member; 23, air pressure calculation module; 3, sealing detection mechanism; 31, inflation pipe; 32, import plugging driving member; 33, sealing calculation module; 34, oil pump air pressure detecting member; 4, circuit measurement mechanism; 41, magnetic field detecting member; 42, electric energy detection module; 43, circuit processing module. DETAILED DESCRIPTION

[0037] The following will be described in detail in combination with the accompanying drawings Figures 1-4 The present application is further described in detail.

[0038] The embodiment of the present application discloses an integrated oil pump assembly online detection device. Referring to Figure 1 The integrated oil pump assembly online detection device comprises a fixed tool 1, a pressure measuring mechanism 2, a sealing detection mechanism 3 and a circuit measurement mechanism 4, the fixed tool 1 is used for fixing the oil pump, the pressure measuring mechanism 2 is used for detecting the pump pressure of the oil pump on the fixed tool 1, the sealing detection mechanism 3 is used for monitoring the sealing property of the oil pump on the fixed tool 1, and the circuit measurement mechanism 4 is used for detecting the motor of the oil pump and the float of the oil pump assembly on the fixed tool 1. The direction pointing to the gravity direction is downward, and the direction opposite to the downward direction is upward.

[0039] Referring to Figure 1 With Figure 2 The fixed tool 1 comprises a fixed seat 11, the fixed groove 13 is formed in the fixed seat 11, the oil pump assembly is placed with the import end of the oil pump downward and the float upward, the oil pump is installed in the fixed groove 13, at this time, the inner ring side wall of the fixed groove 13 is attached to the outer ring side wall of the oil pump, and the export end of the oil pump penetrates the fixed seat 11 and extends out.

[0040] Referring to Figure 1 With Figure 3The pressure measuring mechanism 2 comprises a bidirectional driving member 21, a gas pressure detecting member 22 and a gas pressure calculation module 23. The bidirectional driving member 21 is a bidirectional cylinder, and the gas pressure detecting member 22 is a gas pressure sensor. A piston rod of the bidirectional driving member 21 is arranged to abut against an outlet end of the oil pump. A front chamber of the bidirectional driving member 21 is connected with a first air pipe 211, and a rear chamber of the bidirectional driving member 21 is connected with a second air pipe 212. The first air pipe 211 and the second air pipe 212 are connected in air communication to control the sliding of the piston rod of the bidirectional driving member 21. The gas pressure detecting member 22 is provided in at least two numbers, and one gas pressure detecting member 22 is arranged in each of the first air pipe 211 and the second air pipe 212. The gas pressure detecting member 22 is arranged to detect the gas pressure of the first air pipe 211, to obtain first gas pressure data and output the same. The gas pressure detecting member 22 is also arranged to detect the second air pipe 212, to obtain second gas pressure data and output the same. The gas pressure calculation module 23 receives the first gas pressure data and the second gas pressure data. When the piston rod of the bidirectional driving member 21 slides to block the outlet end of the oil pump, the first gas pressure data and the second gas pressure data are recorded as initial gas pressure, and then a corresponding signal is outputted to control the oil pump to start and to push the piston rod of the bidirectional driving member 21. During the process, the first gas pressure data in combination with time data forms a curve, and a first valley value of the curve is taken as end gas pressure. The initial gas pressure-end gas pressure is the instantaneous pump pressure when the oil pump starts, so that the instantaneous pump pressure data is obtained and outputted to a user.

[0041] With reference to Figure 4 The fixing tool 1 further comprises an adjusting plate 121 fixedly connected to the piston rod of the bidirectional driving member 21. The adjusting plate 121 slides with the extension and retraction of the piston rod of the bidirectional driving member 21. The adjusting plate 121 is provided with an adjusting groove 122 and a stabilizing groove 123 in communication with each other. The adjusting groove 122 is a threaded groove, and an abutting rod 12 is inserted into the adjusting groove 122. The stabilizing groove 123 is arranged to receive a bolt. An end of the bolt received in the stabilizing groove 123 abuts against the abutting rod 12 to limit the movement of the abutting rod 12. The fixing base 11 is provided with an abutting hole 14 for the abutting rod 12 to pass through. The abutting hole 14 is in communication with the fixing groove 13. The abutting rod 12 passes through the abutting hole 14 and slides against the outer sidewall of the oil pump in the fixing groove 13 with the extension and retraction of the piston rod of the bidirectional driving member 21.

[0042] With reference to Figure 2 and Figure 3 and Figure 4, the sealing detection mechanism 3 comprises an inflation pipe 31, an inlet plugging driving element 32, a sealing calculation module 33 and an oil pump gas pressure detection element 34, the inlet plugging driving element 32 can adopt a cylinder, the inlet plugging driving element 32 is below the fixed seat 11, the inlet end of the oil pump extends downward, and the piston rod of the inlet plugging driving element 32 extends upward and slides to plug the inlet end of the oil pump. A gas inflation cavity 213 is formed in the piston rod of the bidirectional driving element 21 and communicates with the outlet end of the oil pump, that is, the gas inflation cavity 213 extends from the end of the piston rod of the bidirectional driving element 21 away from the body of the bidirectional driving element 21, and penetrates the side wall of the bidirectional driving element 21, and the inflation pipe 31 is inserted into the side wall of the piston rod of the bidirectional driving element 21 and covers the opening in the side wall of the piston rod of the bidirectional driving element 21 to communicate with the gas inflation cavity 213.

[0043] With reference to Figure 2 With Figure 3 With Figure 4 The oil pump gas pressure detection element 34 is used for detecting the gas pressure in the oil pump, the oil pump gas pressure detection element 34 can adopt a gas pressure sensor, the oil pump gas pressure detection element 34 is installed in the oil pump to detect the gas pressure in the oil pump, obtain the oil pump gas pressure data and output to the sealing calculation module 33. When the sealing needs to be detected, the sealing calculation module 33 first controls the inlet plugging driving element 32 to plug the inlet end of the oil pump, and then controls the inflation pipe 31 to inflate the oil pump, stops inflating after reaching a certain threshold, then obtains the oil pump gas pressure data of the oil pump gas pressure detection element 34 in real time, and then waits for a certain time, calculates the change difference of the oil pump gas pressure data, the difference is the leakage amount of the gas in the oil pump, that is, the oil pump leakage data and is output to the user.

[0044] With reference to Figure 1 With Figure 3 The circuit measurement mechanism 4 comprises a magnetic field detection element 41 and a circuit processing module 43, the magnetic field detection element 41 can adopt a magnetometer, the magnetic field detection element 41 is used for detecting the magnetic field generated by the rotation of the motor of the oil pump, obtaining the magnetic field induction data and outputting, and the mainly required data is the direction of the magnetic field. When it needs to be judged whether the oil pump motor is installed correctly, the circuit processing module 43 first outputs a specified signal to control the rotation of the motor of the oil pump, and then receives the magnetic field induction data, compares the rotation direction represented by the specified signal with the magnetic field direction in the magnetic field induction data, if they are consistent, the motor connection is normal, if they are opposite, it indicates that the positive and negative poles of the motor are reversed, that is, the motor rotation direction data, which is obtained and output to the user.

[0045] With reference to Figure 1 With Figure 3, the circuit measurement mechanism 4 further comprises an electric energy detection module 42, which can adopt an electric energy meter, an ammeter, a voltmeter, a current transformer, a voltage transformer or other instruments and equipment with current and voltage detection functions to obtain and output the detection voltage and the detection current. When it is necessary to detect whether the float is normal, the current angle of the float is controlled to simulate the height of the float in the oil tank to represent the liquid level, and then the current and voltage of the motor of the oil pump assembly are detected to obtain the detection voltage and the detection current and output to the circuit processing module 43. The circuit processing module 43 calculates the current resistance value, and then reads the theoretical resistance value from the database according to the rotation angle of the float at this time. The theoretical resistance value is compared with the calculated resistance value, so that whether the float is normal can be obtained, which is the internal resistance data of the float, and is output to the user.

[0046] The implementation principle of the online detection device of the integrated oil pump assembly according to the embodiment of the present application is as follows: the user first places the oil pump in the fixing groove 13, and then controls the piston rod of the bidirectional driving member 21 to extend to drive the abutting rod 12 to abut and fix the oil pump, and then the pressure measuring mechanism 2, the sealing detection mechanism 3 and the circuit measurement mechanism 4 are used for testing.

[0047] The above are preferred embodiments of the present application, and do not limit the protection scope of the present application. Therefore, equivalent changes made according to the structure, shape and principle of the present application should be covered within the protection scope of the present application.

Claims

1. An on-line detection device for an integrated oil pump assembly, characterized by, The utility model relates to a kind of oil pump testing device, including: Fixed tooling (1) for fixing oil pump; Pressure measuring mechanism (2) for detecting pump pressure when oil pump starts, the pressure measuring mechanism (2) includes bidirectional driving part (21) and air pressure detection part (22), the piston rod of bidirectional driving part (21) is used to resist in the outlet end of oil pump; Sealing detection mechanism (3) for detecting the sealing of oil pump, the sealing detection mechanism (3) includes inflation tube (31) and import plugging driving part (32), the piston rod of import plugging driving part (32) is used to block the import end of oil pump, the piston rod of bidirectional driving part (21) is provided with inflation cavity (213) that is communicated with the outlet end of oil pump, inflation tube (31) is inserted in the piston rod of bidirectional driving part (21) to be communicated with the inflation cavity (213).

2. The online detection device for the integrated oil pump assembly of claim 1, wherein: The front chamber of bidirectional driving part (21) is communicated with first air pipe (211), the back chamber of bidirectional driving part (21) is communicated with second air pipe (212), the air pressure detection part (22) is used to detect the air pressure of first air pipe (211), obtains first air pressure data and exports, the air pressure detection part (22) is also used to detect second air pipe (212), obtains second air pressure data and exports.

3. The online detection device for the integrated oil pump assembly of claim 1, wherein: Also including circuit measurement mechanism (4) for detecting the internal resistance of oil pump assembly, the circuit measurement mechanism (4) includes magnetic field detection part (41), the magnetic field detection part (41) is used to detect the magnetic field generated by the motor rotation of oil pump, obtains magnetic field induction data and exports.

4. The online detection device for the integrated oil pump assembly according to claim 3, characterized in that: The circuit measurement mechanism (4) also includes electric energy detection module (42), for detecting the current and voltage of the motor of oil pump assembly when the float of oil pump assembly is at different rotation angles, obtains detection voltage and detection current, and exports.

5. The online detection device for an integrated oil pump assembly of claim 3, wherein: The circuit measurement mechanism (4) also includes circuit processing module (43), the circuit processing module (43) is used to receive the data of magnetic field induction, judges whether the motor rotation of oil pump assembly is correct after data calculation, obtains motor rotation data and exports, the circuit processing module (43) is also used to receive detection voltage and detection current, judges whether the internal resistance corresponding to different angles of float of oil pump assembly is correct after data calculation, obtains float internal resistance data and exports.

6. The online detection device for an integrated oil pump assembly of claim 2, wherein: The pressure measuring mechanism (2) also includes air pressure calculation module (23), the air pressure calculation module (23) receives the first air pressure data and the second air pressure data, obtains instantaneous pump pressure data indicating pump pressure when oil pump starts after data calculation and exports.

7. The online detection device for an integrated oil pump assembly of claim 1, wherein: The sealing detection mechanism (3) also includes sealing calculation module (33) and oil pump air pressure detection part (34), the oil pump air pressure detection part (34) is used to detect the air pressure in oil pump, obtains oil pump air pressure data and exports to sealing calculation module (33), the sealing calculation module (33) is used to receive the oil pump air pressure data, obtains oil pump leakage data after data calculation and exports.

8. The online detection device for an integrated oil pump assembly of claim 1, wherein: The fixed tool (1) comprises a fixed seat (11) and a resisting rod (12), the fixed seat (11) is provided with a fixed groove (13) for installing an oil pump, the fixed seat (11) is further provided with a resisting hole (14) for the resisting rod (12) to pass through and abut against the oil pump, and the resisting rod (12) is arranged on the piston rod of the bidirectional driving part (21).

9. The online detection device for an integrated oil pump assembly of claim 8, wherein: The fixed tool (1) further comprises an adjusting plate (121), the adjusting plate (121) is arranged on the piston rod of the bidirectional driving part (21), the adjusting plate (121) is provided with an adjusting groove (122) and a stabilizing groove (123) which are in communication, the resisting rod (12) is inserted into the adjusting groove (122), and the stabilizing groove (123) is used for screwing a bolt to abut against and limit the resisting rod (12).

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