Detection device for detecting petroleum density

Abstract

The invention relates to the field of petrochemical engineering, and particularly discloses a detection device for detecting petroleum density. By arranging the position adjusting assembly, the flushing assembly, the sewage discharging assembly, the reading reading assembly and the cleaning assembly, after a user measures the density of a sample in the placing barrel through the reading reading assembly, the placing barrel can be flushed through the flushing assembly, and cleaning wastewater in the placing barrel is discharged through the sewage discharging assembly; after the position of the flushing assembly is adjusted through the position adjusting assembly, the flushing assembly and the cleaning assembly are matched to achieve rapid cleaning of the densimeter, the time difference between multiple times of sample density measurement is effectively shortened by shortening the cleaning time of the measuring instrument, and the trouble that an operator manually cleans the measuring instrument is avoided; and the measurement efficiency of various samples is effectively improved.

Description

Technical Field

[0001] The invention belongs to the technical field of petrochemical industry, and in particular relates to a detection device for detecting the density of petroleum. Background Art

[0002] There are many kinds of petroleum products, including diesel, gasoline, kerosene and asphalt. Moreover, due to the complex composition of the products, even the same products contain different substances. In some applicable occasions, it is necessary to measure the density of petroleum or petroleum products.

[0003] The most common method for measuring the density of petroleum and petroleum products is the density meter measurement method. The petroleum product is poured into a measuring cylinder inside a preheated constant temperature cylinder, and then a suitable density meter is placed in the petroleum product sample heated to a certain temperature. The density of the sample product can be obtained by observing the density meter reading. The density meter measurement method is simple to operate and has a wide range of applications, but the pre-processing and post-processing are more troublesome. The measuring cylinder needs to be preheated, and after the sample is tested, the measuring cylinder needs to be cleaned. There are many operating steps, which is not convenient to use and cannot support rapid and continuous measurement of multiple batches of samples. Summary of the invention

[0004] The object of the present invention is to provide a detection device for detecting the density of petroleum to solve the problems raised in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A detection device for detecting oil density, comprising:

[0007] A constant temperature cylinder, the inner wall of which is fixedly connected with a placement cylinder, and the upper end of the placement cylinder extends out of the top of the constant temperature cylinder;

[0008] A position adjustment component, wherein the position adjustment component is arranged on one side of the constant temperature cylinder, and the end of the position adjustment component is fixedly connected to a shell, the bottom of the shell is fixedly connected to a sealing ring, a flushing component and a sewage discharge component are arranged inside the shell, the flushing component comprises a transmission component fixedly installed inside the shell, a plug rotatably connected to the inner wall of the shell, and a first water pump fixedly installed on the inner wall of the shell, the plug extends to the inside of the placement cylinder, a plurality of spray holes are opened on the plug, the lower end of the first water pump is fixedly connected to a flushing pipe, the upper end is fixedly connected to a water inlet pipe, and a hose is fixedly connected between the flushing pipe and the plug;

[0009] An indication reading assembly, the indication reading assembly is arranged on the side of the constant temperature cylinder and is used to read the indication of the density meter inside the constant temperature cylinder;

[0010] A cleaning component is arranged on one side of the constant temperature cylinder and is used for cleaning the used density meter.

[0011] Preferably, the transmission assembly includes two driven gears rotatably connected to the inner wall of the shell and a driving gear rotatably connected to the inner wall of the shell, the driven gear meshes with the driving gear, the inner wall of the shell is fixedly connected to a motor, and a transmission shaft is fixedly connected to the motor output shaft, the transmission shaft is fixedly connected to the driving gear, the side wall of the cannula is fixedly connected to a limit bar, and is slidably connected to the driven gear through the limit bar, the cannula is fixedly connected to a splint, the transmission shaft is fixedly connected to an inclined rotating plate, and the side edge of the rotating plate is clamped between the splints.

[0012] Preferably, the pitch circles of the two driven gears are inconsistent, that is, the wheel diameters of the two driven gears are different.

[0013] Preferably, the sewage discharge assembly includes a second water pump fixedly installed inside the shell and a sewage discharge pipe fixedly installed on the inner bottom wall of the shell, a hose is fixedly connected between the upper end of the sewage discharge pipe and the second water pump, and the lower end of the sewage discharge pipe is made of a hose and is opened.

[0014] Preferably, the position adjustment assembly comprises a turntable, a lifting column fixedly mounted on the turntable, and a mounting rod fixedly mounted on a lifting end of the lifting column, and the mounting rod is fixedly connected to the housing.

[0015] Preferably, the indication reading assembly includes a slide rail fixedly mounted on the outer wall of the constant temperature cylinder, an intelligent industrial camera slidably connected to the inside of the slide rail, and a brake bolt threadedly inserted into the side wall of the intelligent industrial camera, and the brake bolt is rotationally abutted against the slide rail.

[0016] Preferably, the intelligent industrial camera has a built-in density meter reading recognition algorithm, and the steps of establishing the density meter reading recognition algorithm include:

[0017] S1. Collect pictures of the densitometer in use;

[0018] S2, performing tilt correction on the densitometer image in the collected picture, then performing morphological processing on the densitometer image in the collected picture to remove irrelevant structures, and finally performing binarization processing on the densitometer image in the collected picture;

[0019] S3, perform feature analysis on the binarized image, locate and separate based on the connected domain method, and finally extract digital features;

[0020] S4. Based on the artificial neural network method, the image is read and recognized after the digital features are extracted.

[0021] Preferably, the cleaning assembly includes a cleaning box, a hinged plate hinged on the side wall of the cleaning box and a mounting block fixedly mounted on the hinged plate, the mounting block is rotatably connected to a sleeve in the middle, the lower end of the sleeve is fixedly connected to a fixing clamp, and the upper end of the sleeve is fixedly connected to a paddle.

[0022] Compared with the prior art, the present invention has the following beneficial effects:

[0023] The present invention provides a position adjustment component, a flushing component, a sewage discharge component, a reading component and a cleaning component. After the user measures the density of the sample inside the placement tube through the reading component, the placement tube can be flushed through the flushing component, and the cleaning waste water inside the placement tube can be discharged through the sewage discharge component, so as to quickly clean the placement tube. After the position of the flushing component is adjusted through the position adjustment component, the flushing component and the cleaning component can cooperate to realize the rapid cleaning of the density meter. By shortening the cleaning time of the measuring instrument, the time difference between multiple sample density measurements is effectively shortened, the trouble of the operator manually cleaning the measuring instrument is avoided, and the measurement efficiency of various samples is effectively improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 The overall structure of the present invention is shown in FIG. Figure 1 ;

[0025] Figure 2 The overall structure of the present invention is shown in FIG. Figure 2 ;

[0026] Figure 3 It is a schematic diagram of the overall cross-sectional structure of the present invention;

[0027] Figure 4 The cross-sectional structure of the shell of the present invention is shown in FIG. Figure 1 ;

[0028] Figure 5 The cross-sectional structure of the shell of the present invention is shown in FIG. Figure 2 ;

[0029] Figure 6 It is a schematic diagram of the structure of the cleaning box of the present invention;

[0030] In the figure: 1. Constant temperature cylinder; 2. Placement cylinder; 3. Turntable; 4. Lifting column; 5. Mounting rod; 6. Housing; 7. Driven gear; 8. Driving gear; 9. Motor; 10. Transmission shaft; 11. Insert pipe; 12. Limit strip; 13. Clamp; 14. Turntable; 15. First water pump; 16. Flushing pipe; 17. Water inlet pipe; 18. Second water pump; 19. Drain pipe; 20. Sealing ring; 21. Slide rail; 22. Intelligent industrial camera; 23. Brake bolt; 24. Cleaning box; 25. Hinge plate; 26. Mounting block; 27. Sleeve; 28. Fixing clip; 29. ​​Pick. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] Embodiment 1:

[0033] See also Figure 1 - Figure 6 As shown, a detection device for detecting oil density comprises:

[0034] A constant temperature cylinder 1, wherein a placement cylinder 2 is fixedly connected to the inner wall of the constant temperature cylinder 1, and the upper end of the placement cylinder 2 extends out of the top of the constant temperature cylinder 1;

[0035] A position adjustment component, the position adjustment component is arranged on one side of the constant temperature cylinder 1, and the end of the position adjustment component is fixedly connected to the shell 6, the bottom of the shell 6 is fixedly connected to the sealing ring 20, the shell 6 is provided with a flushing component and a sewage discharge component, the flushing component includes a transmission component fixedly installed inside the shell 6, a plug 11 rotatably connected to the inner wall of the shell 6 and a first water pump 15 fixedly installed on the inner wall of the shell 6, the plug 11 extends to the inside of the placement cylinder 2, and a plurality of spray holes are opened on the plug 11, the lower end of the first water pump 15 is fixedly connected to the flushing pipe 16, and the upper end is fixedly connected to the water inlet pipe 17, and a hose is fixedly connected between the flushing pipe 16 and the plug 11;

[0036] A cleaning component is arranged on one side of the constant temperature cylinder 1 and is used for cleaning the used density meter.

[0037] As can be seen from the above, when the user needs to measure the density of petroleum or petroleum products, the product sample to be measured can be poured into the placement cylinder 2 and the constant temperature cylinder 1 can be activated. The constant temperature cylinder 1 can be a common constant temperature device. After the placement cylinder 2 and the sample are heated to a certain temperature, the density meter is placed in the placement cylinder 2 to measure the density of the sample, and the density meter reading is manually read to obtain the density of the sample. Then, the housing 6 is aligned with the placement cylinder 2 through the positioning component, so that the flushing component and the sewage discharge component are inserted into the placement cylinder 2, the sewage discharge component is started to extract the sample in the placement cylinder 2, and the first water pump 15 is started. The pump 15 pumps cleaning water into the placement tube 2 through the water inlet pipe 17 and the flushing pipe 16. The cleaning water enters the insert tube 11 and is sprayed outward from the spray holes on the surface of the insert tube 11. The sprayed cleaning water impacts the inner wall surface of the placement tube 2 to rinse the remaining samples. At the same time, the sewage discharge component continues to work to discharge the cleaning sewage out of the placement tube 2, thereby realizing rapid cleaning of the placement tube 2. In addition, the cleaning component can also be used to clean the density meter, which is convenient for users to quickly clean the detection device and then quickly proceed to the density detection of the next group of samples, which can effectively save the operator the trouble of cleaning the detection device.

[0038] The transmission assembly includes two driven gears 7 rotatably connected to the inner wall of the shell 6 and a driving gear 8 rotatably connected to the inner wall of the shell 6, the driven gear 7 meshes with the driving gear 8, the inner wall of the shell 6 is fixedly connected to a motor 9, and a transmission shaft 10 is fixedly connected to the output shaft of the motor 9, the transmission shaft 10 is fixedly connected to the driving gear 8, the side wall of the cannula 11 is fixedly connected to a limit strip 12, and is slidably connected to the driven gear 7 through the limit strip 12, the cannula 11 is fixedly connected to a clamp plate 13, the transmission shaft 10 is fixedly connected to an inclined rotating plate 14, and the side of the rotating plate 14 is clamped between the clamp plates 13.

[0039] When the transmission assembly is running, the output shaft of the motor 9 drives the transmission shaft 10 to rotate, and the rotating transmission shaft 10 drives the driven gear 7 to rotate through the driving gear 8, and the driven gear 7 drives the cannula 11 to rotate through the limit bar 12, and the rotating transmission shaft 10 drives the rotating plate 14 to rotate. Since the rotating plate 14 is arranged at an angle, the rotating rotating plate 14 will drive the cannula 11 to reciprocate up and down inside the driving gear 8 through the clamping plate 13. At this time, the rotating and reciprocating cannula 11 can evenly spray clean water on the inner wall of the placement tube 2 to rinse off the residue attached to the inner wall of the placement tube 2.

[0040] The pitch circles of the two driven gears 7 are inconsistent, that is, the wheel diameters of the two driven gears 7 are different, and the two driven gears 7 are respectively meshed on both sides of the driving gear 8. Since the two driven gears 7 are inconsistent, the rotation speeds of the two driven gears 7 are inconsistent, and thus the two cannulas 11 will not rotate synchronously, so that the water flow sprayed from the spray holes of the cannulas 11 can flush the opposite cannulas 11 to each other, keep the surface of the cannulas 11 clean, and avoid cross contamination caused by residues on the cannulas 11.

[0041] The sewage discharge assembly includes a second water pump 18 fixedly installed inside the shell 6 and a sewage discharge pipe 19 fixedly installed on the inner bottom wall of the shell 6. A hose is fixedly connected between the upper end of the sewage discharge pipe 19 and the second water pump 18. The lower end of the sewage discharge pipe 19 is made of a hose and is opened.

[0042] When it is necessary to remove the clean sewage inside the placement tube 2, start the second water pump 18 to pump out the sewage inside the placement tube 2 through the sewage pipe 19. Moreover, since the bottom of the sewage pipe 19 is a hose, the length of the sewage pipe 19 can be set longer than the placement tube 2, so that the lower end of the sewage pipe 19 is folded at the bottom of the placement tube 2, so that the sewage pipe 19 can pump out the sewage at the bottom of the placement tube 2 as much as possible.

[0043] The positioning assembly includes a turntable 3, a lifting column 4 fixedly mounted on the turntable 3, and a mounting rod 5 fixedly mounted at the lifting end of the lifting column 4. The mounting rod 5 is fixedly connected to the outer shell 6. The user controls the turntable 3 to drive the lifting column 4 and the mounting rod 5 to rotate, and at the same time, the lifting column 4 can be started to drive the mounting rod 5 and the outer shell 6 to rise and fall, so that the user can insert or take out the flushing assembly and the sewage discharge assembly into or take out the placement cylinder 2.

[0044] The cleaning assembly includes a cleaning box 24, a hinged plate 25 hinged on the side wall of the cleaning box 24, and a mounting block 26 fixedly mounted on the hinged plate 25, a sleeve 27 rotatably connected to the middle of the mounting block 26, a fixing clamp 28 fixedly connected to the lower end of the sleeve 27, and a paddle 29 fixedly connected to the upper end of the sleeve 27.

[0045] When cleaning the density meter, the user can insert the density meter into the sleeve 27, and then clamp the density meter with the fixing clamp 28 to limit the displacement of the density meter, insert the flushing component into the cleaning box 24 through the adjustment component, start the first water pump 15 to supply water to the insertion tube 11, and clean water is sprayed from the spray hole to impact and clean the density meter to remove the residue on the surface of the density meter. The water flow sprayed from the spray hole will impact the paddle 29, and the impacted paddle 29 will drive the sleeve 27 to rotate. The sleeve 27 drives the density meter to rotate through the fixing clamp 28, so that all surfaces of the density meter can be flushed with clean water, and the residue on the surface of the density meter can be effectively removed.

[0046] Embodiment 2:

[0047] See also Figure 1 - Figure 6 As shown, a detection device for detecting oil density comprises:

[0048] A constant temperature cylinder 1, wherein a placement cylinder 2 is fixedly connected to the inner wall of the constant temperature cylinder 1, and the upper end of the placement cylinder 2 extends out of the top of the constant temperature cylinder 1;

[0049] A position adjustment component, the position adjustment component is arranged on one side of the constant temperature cylinder 1, and the end of the position adjustment component is fixedly connected to the shell 6, the bottom of the shell 6 is fixedly connected to the sealing ring 20, the shell 6 is provided with a flushing component and a sewage discharge component, the flushing component includes a transmission component arranged inside the shell 6, a plug 11 rotatably connected to the inner wall of the shell 6 and a first water pump 15 fixedly installed on the inner wall of the shell 6, the plug 11 extends to the inside of the placement cylinder 2, and a plurality of spray holes are opened on the plug 11, the lower end of the first water pump 15 is fixedly connected to the flushing pipe 16, and the upper end is fixedly connected to the water inlet pipe 17, and a hose is fixedly connected between the flushing pipe 16 and the plug 11;

[0050] An indication reading component, the indication reading component is arranged on the side of the constant temperature cylinder 1 and is used to read the indication of the density meter inside the constant temperature cylinder (1);

[0051] A cleaning component is arranged on one side of the constant temperature cylinder 1 and is used for cleaning the used density meter.

[0052] As can be seen from the above, when the user needs to measure the density of petroleum or petroleum products, the product sample to be measured can be poured into the placement cylinder 2 and the constant temperature cylinder 1 can be activated. The constant temperature cylinder 1 can be a common constant temperature device. After the placement cylinder 2 and the sample are heated to a certain temperature, the density meter is placed in the placement cylinder 2 to measure the density of the sample. The density meter reading is read manually or through the reading component to obtain the density of the sample. Then, the housing 6 is aligned with the placement cylinder 2 through the positioning component, so that the flushing component and the sewage discharge component are inserted into the placement cylinder 2, the sewage discharge component is started to extract the sample in the placement cylinder 2, and the first water pump 1 is started. 5. The first water pump 15 pumps cleaning water into the placement tube 2 through the water inlet pipe 17 and the flushing pipe 16. The cleaning water enters the insert tube 11 and is sprayed outward from the spray holes on the surface of the insert tube 11. The sprayed cleaning water impacts the inner wall surface of the placement tube 2 to rinse the remaining samples. At the same time, the sewage discharge component continues to work to discharge the cleaning sewage from the placement tube 2 to achieve rapid cleaning of the placement tube 2. In addition, the cleaning component can also be used to clean the density meter, which is convenient for the user to quickly clean the detection device and then quickly enter the density detection work of the next group of samples, which can effectively save the operator the trouble of cleaning the detection device.

[0053] The transmission assembly includes two driven gears 7 rotatably connected to the inner wall of the shell 6 and a driving gear 8 rotatably connected to the inner wall of the shell 6, the driven gear 7 meshes with the driving gear 8, the inner wall of the shell 6 is fixedly connected to a motor 9, and a transmission shaft 10 is fixedly connected to the output shaft of the motor 9, the transmission shaft 10 is fixedly connected to the driving gear 8, the side wall of the cannula 11 is fixedly connected to a limit strip 12, and is slidably connected to the driven gear 7 through the limit strip 12, the cannula 11 is fixedly connected to a clamp plate 13, the transmission shaft 10 is fixedly connected to an inclined rotating plate 14, and the side of the rotating plate 14 is clamped between the clamp plates 13.

[0054] When the transmission assembly is running, the output shaft of the motor 9 drives the transmission shaft 10 to rotate, and the rotating transmission shaft 10 drives the driven gear 7 to rotate through the driving gear 8, and the driven gear 7 drives the cannula 11 to rotate through the limit bar 12, and the rotating transmission shaft 10 drives the rotating plate 14 to rotate. Since the rotating plate 14 is arranged at an angle, the rotating rotating plate 14 will drive the cannula 11 to reciprocate up and down inside the driving gear 8 through the clamping plate 13. At this time, the rotating and reciprocating cannula 11 can evenly spray clean water on the inner wall of the placement tube 2 to rinse off the residue attached to the inner wall of the placement tube 2.

[0055] The pitch circles of the two driven gears 7 are inconsistent, that is, the wheel diameters of the two driven gears 7 are different, and the two driven gears 7 are respectively meshed on both sides of the driving gear 8. Since the two driven gears 7 are inconsistent, the rotation speeds of the two driven gears 7 are inconsistent, and thus the two cannulas 11 will not rotate synchronously, so that the water flow sprayed from the spray holes of the cannulas 11 can flush the opposite cannulas 11 to each other, keep the surface of the cannulas 11 clean, and avoid cross contamination caused by residues on the cannulas 11.

[0056] The sewage discharge assembly includes a second water pump 18 fixedly installed inside the shell 6 and a sewage discharge pipe 19 fixedly installed on the inner bottom wall of the shell 6. A hose is fixedly connected between the upper end of the sewage discharge pipe 19 and the second water pump 18. The lower end of the sewage discharge pipe 19 is made of a hose and is opened.

[0057] When it is necessary to remove the clean sewage inside the placement tube 2, start the second water pump 18 to pump out the sewage inside the placement tube 2 through the sewage pipe 19. Moreover, since the bottom of the sewage pipe 19 is a hose, the length of the sewage pipe 19 can be set longer than the placement tube 2, so that the lower end of the sewage pipe 19 is folded at the bottom of the placement tube 2, so that the sewage pipe 19 can pump out the sewage at the bottom of the placement tube 2 as much as possible.

[0058] The positioning assembly includes a turntable 3, a lifting column 4 fixedly mounted on the turntable 3, and a mounting rod 5 fixedly mounted at the lifting end of the lifting column 4. The mounting rod 5 is fixedly connected to the outer shell 6. The user controls the turntable 3 to drive the lifting column 4 and the mounting rod 5 to rotate, and at the same time, the lifting column 4 can be started to drive the mounting rod 5 and the outer shell 6 to rise and fall, so that the user can insert or take out the flushing assembly and the sewage discharge assembly into or take out the placement cylinder 2.

[0059] The indication reading assembly includes a slide rail 21 fixedly mounted on the outer wall of the constant temperature cylinder 1, a smart industrial camera 22 slidably connected to the inside of the slide rail 21, and a brake bolt 23 threadedly inserted into the side wall of the smart industrial camera 22. The brake bolt 23 is rotatably abutted against the slide rail 21. The user can slide the smart industrial camera 22 to a suitable position on the slide rail 21, and then rotate the brake bolt 23 to abut against the slide rail 21. The friction between the brake bolt 23 and the slide rail 21 limits the sliding of the smart industrial camera 22.

[0060] The intelligent industrial camera 22 has a built-in densitometer reading recognition algorithm, and the steps of establishing the densitometer reading recognition algorithm include:

[0061] S1. Collect pictures of the densitometer in use;

[0062] S2, performing tilt correction on the densitometer image in the collected picture, then performing morphological processing on the densitometer image in the collected picture to remove irrelevant structures, and finally performing binarization processing on the densitometer image in the collected picture;

[0063] S3, perform feature analysis on the binarized image, locate and separate based on the connected domain method, and finally extract digital features;

[0064] S4. Based on the artificial neural network method, the image is read and recognized after the digital features are extracted.

[0065] After the intelligent industrial camera 22 captures the density meter image, the density meter reading is determined through the density meter reading recognition algorithm, and the density meter reading is the current density of the sample.

[0066] The cleaning assembly includes a cleaning box 24, a hinged plate 25 hinged on the side wall of the cleaning box 24, and a mounting block 26 fixedly mounted on the hinged plate 25, a sleeve 27 rotatably connected to the middle of the mounting block 26, a fixing clamp 28 fixedly connected to the lower end of the sleeve 27, and a paddle 29 fixedly connected to the upper end of the sleeve 27.

[0067] When cleaning the density meter, the user can insert the density meter into the sleeve 27, and then clamp the density meter with the fixing clamp 28 to limit the displacement of the density meter, insert the flushing component into the cleaning box 24 through the adjustment component, start the first water pump 15 to supply water to the insertion tube 11, and clean water is sprayed from the spray hole to impact and clean the density meter to remove the residue on the surface of the density meter. The water flow sprayed from the spray hole will impact the paddle 29, and the impacted paddle 29 will drive the sleeve 27 to rotate. The sleeve 27 drives the density meter to rotate through the fixing clamp 28, so that all surfaces of the density meter can be flushed with clean water, and the residue on the surface of the density meter can be effectively removed.

[0068] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, unless they are contradictory.

[0069] In the drawings of the embodiments disclosed in the present invention, only the structures related to the embodiments disclosed in the present invention are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present invention can be combined with each other.

Claims

1. A detection device for detecting oil density, characterized in that: include: A constant temperature cylinder (1), wherein a placement cylinder (2) is fixedly connected to the inner wall of the constant temperature cylinder (1), and the upper end of the placement cylinder (2) extends out of the top of the constant temperature cylinder (1); A positioning component, wherein the positioning component is arranged on one side of the constant temperature cylinder (1), and the end of the positioning component is fixedly connected to a shell (6), the bottom of the shell (6) is fixedly connected to a sealing ring (20), and a flushing component and a sewage discharge component are arranged inside the shell (6), the flushing component comprises a transmission component fixedly installed inside the shell (6), a plug (11) rotatably connected to the inner wall of the shell (6), and a first water pump (15) fixedly installed on the inner wall of the shell (6), the plug (11) extends to the inside of the placement cylinder (2), a plurality of spray holes are opened on the plug (11), the lower end of the first water pump (15) is fixedly connected to a flushing pipe (16), and the upper end is fixedly connected to a water inlet pipe (17), and a hose is fixedly connected between the flushing pipe (16) and the plug (11); An indication reading component, the indication reading component being arranged on the side of the constant temperature cylinder (1) and used for reading the indication of the density meter inside the constant temperature cylinder (1); A cleaning component is arranged on one side of the constant temperature cylinder (1) and is used for cleaning a used density meter.

2. A detection device for detecting oil density according to claim 1, characterized in that: The transmission assembly comprises two driven gears (7) rotatably connected to the inner wall of the housing (6) and a driving gear (8) rotatably connected to the inner wall of the housing (6), the driven gear (7) meshing with the driving gear (8), the inner wall of the housing (6) is fixedly connected to a motor (9), and a transmission shaft (10) is fixedly connected to the output shaft of the motor (9), the transmission shaft (10) is fixedly connected to the driving gear (8), the side wall of the insert tube (11) is fixedly connected to a limit strip (12), and is slidably connected to the driven gear (7) through the limit strip (12), the insert tube (11) is fixedly connected to a clamping plate (13), the transmission shaft (10) is fixedly connected to an inclined rotating plate (14), and the side edge of the rotating plate (14) is clamped between the clamping plates (13).

3. A detection device for detecting oil density according to claim 2, characterized in that: The pitch circles of the two driven gears (7) are inconsistent, that is, the wheel diameters of the two driven gears (7) are different.

4. A detection device for detecting oil density according to claim 1, characterized in that: The sewage discharge assembly comprises a second water pump (18) fixedly mounted inside the housing (6) and a sewage discharge pipe (19) fixedly mounted on the inner bottom wall of the housing (6); a hose is fixedly connected between the upper end of the sewage discharge pipe (19) and the second water pump (18); and the lower end of the sewage discharge pipe (19) is made of a hose and is open.

5. The detection device for detecting oil density according to claim 1, characterized in that: The positioning assembly comprises a turntable (3), a lifting column (4) fixedly mounted on the turntable (3), and a mounting rod (5) fixedly mounted on a lifting end of the lifting column (4); the mounting rod (5) is fixedly connected to a housing (6).

6. The detection device for detecting oil density according to claim 1, characterized in that: The reading assembly comprises a slide rail (21) fixedly mounted on the outer wall of the constant temperature cylinder (1), an intelligent industrial camera (22) slidably connected to the inside of the slide rail (21), and a brake bolt (23) threadedly inserted into the side wall of the intelligent industrial camera (22), wherein the brake bolt (23) is rotatably abutted against the slide rail (21).

7. A detection device for detecting oil density according to claim 6, characterized in that: The intelligent industrial camera (22) has a built-in densitometer reading recognition algorithm, and the steps of establishing the densitometer reading recognition algorithm include: S1. Collect pictures of the densitometer in use; S2, performing tilt correction on the densitometer image in the collected picture, performing morphological processing on the densitometer image in the collected picture to remove irrelevant structures, and finally performing binarization processing on the densitometer image in the collected picture; S3, perform feature analysis on the binarized image, locate and separate based on the connected domain method, and finally extract digital features; S4. Based on the artificial neural network method, the image is read and recognized after the digital features are extracted.

8. The detection device for detecting oil density according to claim 1, characterized in that: The cleaning assembly comprises a cleaning box (24), a hinged plate (25) hinged to a side wall of the cleaning box (24), and a mounting block (26) fixedly mounted on the hinged plate (25); a sleeve (27) is rotatably connected to the middle of the mounting block (26); a fixing clamp (28) is fixedly connected to the lower end of the sleeve (27); and a paddle (29) is fixedly connected to the upper end of the sleeve (27).

Images