Automatic control metering device for oil tanker

Abstract

The present application relates to oil car unloading automatic control metering device, including support seat and fixedly arranged oil storage tank on its top, the top of support seat is fixedly installed with oil guide pipe, oil guide pipe is located below the front of oil storage tank, and the bottom of one end of oil guide pipe is fixedly connected with oil outlet pipe, the rear of oil outlet pipe is provided with decontamination mechanism for cleaning residual oil in oil guide pipe, one side of oil guide pipe is provided with soaking mechanism for cleaning impurities at the port of oil outlet pipe; The cleaning fluid injected into the soaking box from the oil outlet pipe, because the vent pipe exhausts, the liquid level of the cleaning fluid in the soaking box will completely immerse the output end of the oil outlet pipe, so that the oil stain on the outer wall of the output end of the oil outlet pipe is removed by the cleaning fluid, the soaking box is filled with clean water, the extension end of the displacement cylinder is continuously controlled to elongate to the longest, and the clean water carries the sewage in the soaking box from the drain port, preventing the oil stain on the outer wall of the oil outlet pipe after unloading the oil material, affecting the quality of the oil material during subsequent oil unloading.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of oil loading and unloading, in particular to an automatic control metering device for oil truck unloading. BACKGROUND

[0002] The oil truck is a kind of special vehicle, mainly used for short-distance oil transportation and oil transportation in oil depot, so the oil loading and unloading system is an essential part of the oil truck. The existing oil loading and unloading technology has the following defects: the traditional gravity self-unloading flow method is slow, and it cannot measure the oil loading amount, and it cannot accurately measure the oil loading amount of the oil truck, which reduces the work efficiency. Therefore, a solution is needed to solve the above technical problems.

[0003] As disclosed in patent document CN209321674U, the device combines the computer control system of the oil dispenser with the oil loading and unloading system of the oil truck, making the single-bin oil truck very convenient when unloading oil, achieving intelligent oil unloading, reducing the workload, improving the work efficiency, greatly simplifying the pipeline system, reducing the manufacturing cost, reducing the use of supporting equipment in the oil station, improving the oil loading and unloading efficiency, reducing the labor of the operator, and making a set of pipeline system adapt to various working conditions.

[0004] However, in the process of unloading oil from the oil truck, the oil pipe needs to be connected to the external pipeline to unload the oil. Since the oil has viscosity, oil residues are easily left on the outer wall of the oil outlet pipe after unloading, which can contaminate dust and form oil stains, affecting the quality of the oil in subsequent oil unloading. At the same time, the oil accumulated on the inner wall of the oil outlet pipe for a long time can cause blockage, which can reduce the speed of subsequent oil unloading from the oil truck. SUMMARY

[0005] The technical problems solved by the present application are:

[0006] (1) How to solve the problem of oil residues left on the outer wall of the oil outlet pipe after unloading, which can contaminate dust and form oil stains, affecting the quality of the oil in subsequent oil unloading, due to the viscosity of the oil;

[0007] (2) How to solve the problem of blockage caused by the oil accumulated on the inner wall of the oil outlet pipe for a long time, which can reduce the speed of subsequent oil unloading from the oil truck.

[0008] The purpose of the present application can be achieved by the following technical scheme: an automatic control metering device for oil truck unloading, comprising a support seat and a storage tank fixedly arranged on the top of the support seat, a guide pipe is fixedly installed on the top of the support seat, the guide pipe is located below the front of the storage tank, and the bottom of one end of the guide pipe is fixedly connected with an oil outlet pipe, a decontamination mechanism for cleaning residual oil in the guide pipe is arranged behind the oil outlet pipe, and a soaking mechanism for cleaning impurities at the port of the oil outlet pipe is arranged on one side of the guide pipe.

[0009] The decontamination mechanism comprises a cleaning barrel fixedly connected with the bottom of the oil storage tank, a sufficient amount of cleaning liquid is stored in the cleaning barrel, a feed pipe is fixedly communicated with the top of the cleaning barrel, a water storage barrel is fixedly arranged on the support seat of the cleaning barrel close to the soaking mechanism, and an adjusting unit for controlling the discharge of the cleaning liquid is arranged between the water storage barrel and the cleaning barrel.

[0010] Further technical improvements of the present application are that a water pump is fixedly arranged on the water storage barrel, the input end of the water pump extends into the water storage barrel, and an L-shaped plate is rotatably arranged on the top of the front face of the water storage barrel.

[0011] Further technical improvements of the present application are that the adjusting unit comprises an adjusting pipe fixedly communicated with the oil guide pipe, liquid inlet pipes and water inlet pipes are fixedly communicated with the outer walls on both sides of the adjusting pipe, the output end of the liquid inlet pipe is located below the output end of the water inlet pipe, the input end of the liquid inlet pipe is communicated with the bottom of the cleaning barrel, and the input end of the water inlet pipe is communicated with the output end of the water pump.

[0012] Further technical improvements of the present application are that a sealing piston for blocking the liquid inlet pipe and the water inlet pipe is slidably arranged on the inner wall of the adjusting pipe, a push-pull rod is fixedly connected with the top of the sealing piston, the top end of the push-pull rod penetrates through the adjusting pipe and is rotatably connected with a roller, the roller is rollingly connected with one segment of the L-shaped plate, and a first push spring is elastically arranged between the top of the sealing piston and the adjusting pipe; by controlling the extension of the extension end of the oil scraping cylinder, the residual oil on the inner wall of the oil guide pipe is pushed into the oil outlet pipe by the oil scraping piston, so that the waste of oil is avoided, and the inner wall of the oil outlet pipe can be efficiently cleaned subsequently; by controlling the extension of the extension end of the displacement cylinder to half the length, in this process, the output end of the oil outlet pipe penetrates through the opening and extends into the soaking box, the transmission wheel provides the power for overturning the L-shaped plate, the L-shaped plate drives the sealing piston to move upward together with the roller and the push-pull rod, the sealing piston is disengaged from the output end of the liquid inlet pipe, the cleaning liquid in the cleaning barrel is injected into the oil guide pipe along the adjusting pipe, the inner walls of the adjusting pipe and the oil guide pipe are washed, the long-term accumulation of oil on the inner wall of the oil outlet pipe is prevented from causing blockage, the unloading speed of the oil truck is ensured, and the input end of the water inlet pipe is still blocked by the sealing piston.

[0013] Further technical improvements of the present application are that the soaking mechanism comprises a soaking box slidably connected with the support seat through two guide rails, an opening corresponding to the position of the oil outlet pipe is formed in the side face of the soaking box, a drainage unit for releasing sewage is arranged on the side face of the soaking box away from the opening, a transversely arranged displacement cylinder is fixedly installed on the support seat, the extension end of the displacement cylinder is fixedly connected with the soaking box, and the displacement cylinder is located above the drainage unit.

[0014] Further technical improvements of the present application are that the top of the soaking box is fixedly communicated with a ventilation pipe, a support frame is fixedly arranged on one side of the top of the soaking box close to the displacement cylinder, a transmission wheel is rotatably arranged at the top end of the support frame, and the position of the transmission wheel corresponds to the position of the other segment of the L-shaped plate.

[0015] Further technical improvements of the present application are that the discharge unit comprises a discharge opening arranged in the bottom of the soaking box, a turnover plate is hingedly arranged at the discharge opening, an inclined baffle is fixedly installed on the side surface of the turnover plate, the top end of the baffle is fixedly connected with the turnover plate, and a limiting plate is fixedly installed on the side surface of the turnover plate away from the baffle.

[0016] Further technical improvements of the present application are that an incomplete ring is fixedly connected on the limiting plate, a guide plate is fixedly installed on the outer wall of the soaking box, one end of the incomplete ring is movably penetrated through the guide plate, and a second push spring is sleeved on the incomplete ring between the soaking box and the guide plate; the cleaning liquid discharged from the oil outlet pipe is injected into the soaking box, the ventilation pipe is exhausted, the liquid surface of the cleaning liquid in the soaking box completely submerges the output end of the oil outlet pipe, the oil stains on the outer wall of the output end of the oil outlet pipe are removed through the cleaning liquid, at this time, the output end of the oil outlet pipe is not in contact with the turnover plate; the extension end of the displacement cylinder is controlled to be elongated to a set length, at this time, the sealing piston blocks half of the input end of the water inlet pipe, the water pump is opened to inject clean water into the oil guide pipe, and the clean water is discharged along with the oil outlet pipe, at the same time, the output end of the oil outlet pipe pushes open the turnover plate, the sewage in the soaking box is discharged along with the discharge opening, and because the baffle guides and shields the clean water discharged from the output end of the oil outlet pipe, the clean water fills the soaking box, the extension end of the displacement cylinder is continuously controlled to be elongated to the longest, the turnover angle of the turnover plate is increased, the clean water output from the oil outlet pipe carries the sewage in the soaking box to be discharged from the discharge opening, and the oil stains on the outer wall of the oil outlet pipe after the oil is unloaded are prevented, so that the quality of the oil during subsequent oil unloading is affected.

[0017] Compared with the prior art, the present application has the following beneficial effects:

[0018] The application is used, the cleaning liquid from the oil outlet pipe is injected into the soaking box, the liquid level of the cleaning liquid in the soaking box completely immerses the output end of the oil outlet pipe due to the exhaust of the air pipe, so that the oil stain on the outer wall of the output end of the oil outlet pipe is removed by the cleaning liquid, at this time, the output end of the oil outlet pipe is not in contact with the turnover plate; the extension end of the displacement cylinder is controlled to extend to a set length, at this time, the sealing piston blocks half of the input end of the water inlet pipe, the water pump is opened to inject clean water into the oil guide pipe, and then the clean water flows out along with the oil outlet pipe, at the same time, the output end of the oil outlet pipe pushes open the turnover plate, so that the sewage in the soaking box is discharged along with the drain, and because the baffle guides and shields the clean water flowing out of the output end of the oil outlet pipe, the clean water fills the soaking box, the extension end of the displacement cylinder is continuously controlled to extend to the longest, so that the turnover angle of the turnover plate is larger, and the clean water output from the oil outlet pipe carries the sewage in the soaking box to be discharged from the drain, so that the oil stain is prevented from being formed on the outer wall of the oil outlet pipe after the oil is unloaded, and the quality of the oil during the subsequent oil unloading is affected.

[0019] The application is used, the extension end of the oil scraping cylinder is controlled to extend, and the residual oil in the inner wall of the oil guide pipe is pushed into the oil outlet pipe by the oil scraping piston, so that the waste of oil is avoided, and the inner wall of the oil outlet pipe is conveniently and efficiently cleaned subsequently; the extension end of the displacement cylinder is controlled to extend to half the length, in the process, the output end of the oil outlet pipe penetrates the opening and extends into the soaking box, the transmission wheel provides the power for turning over of the L-shaped plate, the L-shaped plate drives the sealing piston to move upward together with the roller and the push-pull rod, the sealing piston is staggered with the output end of the liquid inlet pipe, the cleaning liquid in the cleaning barrel is injected into the oil guide pipe along the adjusting pipe, the inner walls of the adjusting pipe and the oil guide pipe are washed, the oil accumulated on the inner wall of the oil outlet pipe for a long time is prevented from causing blockage, the unloading speed of the oil truck is ensured subsequently, at this time, the input end of the water inlet pipe is still blocked by the sealing piston. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to facilitate the understanding of those skilled in the art, the application will be further described below with reference to the drawings.

[0021] Figure 1 It is a schematic diagram of the overall structure of the application;

[0022] Figure 2 It is a schematic diagram of the decontamination mechanism structure of the application;

[0023] Figure 3 It is a schematic diagram of the adjusting unit structure of the application;

[0024] Figure 4 It is a sectional view of the soaking mechanism structure of the application;

[0025] Figure 5 It is a schematic diagram of the drain unit structure of the application;

[0026] Figure 6Structure schematic view of oil discharge pipe of the present application.

[0027] In the figure: 1, oil discharge pipe; 2, soaking mechanism; 3, decontamination mechanism; 4, oil outlet pipe; 5, support seat; 6, oil guide pipe; 7, oil storage tank; 8, oil scraping piston; 9, oil flow meter; 10, control valve; 11, oil scraping cylinder; 201, support frame; 202, displacement cylinder; 203, drainage unit; 204, soaking box; 205, opening; 206, air pipe; 2031, guide plate; 2032, incomplete ring; 2033, limiting plate; 2034, drainage port; 2035, baffle; 2036, turnover plate; 301, adjusting unit; 302, L-shaped plate; 303, water pump; 304, water storage bucket; 305, cleaning bucket; 306, feeding pipe; 3011, roller; 3012, push-pull rod; 3013, adjusting pipe; 3014, water inlet pipe; 3015, sealing piston; 3016, liquid inlet pipe. DETAILED DESCRIPTION

[0028] The technical solutions of the present application will be described clearly and completely below in combination with embodiments. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0029] Please refer to Figures 1-6 As shown in the figure, the automatic control metering device for oil unloading of the oil truck comprises a support seat 5 and an oil storage tank 7 fixedly arranged on the top of the support seat 5. The support seat 5 is fixedly installed with an oil guide pipe 6 on the top thereof. The oil guide pipe 6 is located below the front face of the oil storage tank 7. The bottom of one end of the oil guide pipe 6 is fixedly connected with an oil outlet pipe 4. The rear of the oil outlet pipe 4 is provided with a decontamination mechanism 3 for cleaning residual oil in the oil guide pipe 6. One side of the oil guide pipe 6 is provided with a soaking mechanism 2 for cleaning impurities at the port of the oil outlet pipe 4.

[0030] Please refer to Figure 1 and Figure 2 As shown in the figure, the decontamination mechanism 3 comprises a cleaning bucket 305 fixedly connected with the bottom of the oil storage tank 7. The cleaning bucket 305 stores sufficient cleaning liquid. The top of the cleaning bucket 305 is fixedly connected with a feeding pipe 306. The support seat 5 near the soaking mechanism 2 is fixedly provided with a water storage bucket 304. The water storage bucket 304 and the cleaning bucket 305 are provided with an adjusting unit 301 for controlling the discharge of the cleaning liquid.

[0031] Please refer to Figure 2 As shown in the figure, the water storage bucket 304 is fixedly provided with a water pump 303. The input end of the water pump 303 extends into the water storage bucket 304. The front top of the water storage bucket 304 is rotatably provided with an L-shaped plate 302.

[0032] Please refer to Figure 2 and Figure 3 As shown in FIG. 1 and FIG. 2, the adjusting unit 301 comprises an adjusting pipe 3013 fixedly communicated with the oil guide pipe 6, and an inlet liquid pipe 3016 and an inlet water pipe 3014 are fixedly communicated with the outer wall of the two sides of the adjusting pipe 3013 respectively, the output end of the inlet liquid pipe 3016 is located below the output end of the inlet water pipe 3014, the input end of the inlet liquid pipe 3016 is communicated with the bottom of the cleaning barrel 305, and the input end of the inlet water pipe 3014 is communicated with the output end of the water pump 303.

[0033] Please refer to Figure 2 and Figure 3 As shown in FIG. 1 and FIG. 2, the adjusting pipe 3013 is slidably provided with a sealing piston 3015 for blocking the inlet liquid pipe 3016 and the inlet water pipe 3014, the top of the sealing piston 3015 is fixedly connected with a push-pull rod 3012, the top end of the push-pull rod 3012 is movably penetrated through the adjusting pipe 3013 and is rotatably connected with a roller 3011, the roller 3011 is rollingly connected with one segment of the L-shaped plate 302, and the top of the sealing piston 3015 and the adjusting pipe 3013 are elastically provided with a first push spring; by controlling the extension of the extension end of the oil scraping cylinder 11, the residual oil on the inner wall of the oil guide pipe 6 is pushed into the oil outlet pipe 4 by the oil scraping piston 8, so as to avoid the waste of oil, and at the same time, the inner wall of the oil outlet pipe 4 can be conveniently and efficiently cleaned subsequently; the extension end of the displacement cylinder 202 is controlled to be extended to half length, in this process, the output end of the oil outlet pipe 4 penetrates through the opening 205 and extends into the soaking box 204, the transmission wheel provides the power for overturning of the L-shaped plate 302, so that the L-shaped plate 302 drives the sealing piston 3015 to move upward together with the roller 3011 and the push-pull rod 3012, the sealing piston 3015 is disengaged from the output end of the inlet liquid pipe 3016, the cleaning liquid in the cleaning barrel 305 is injected into the oil guide pipe 6 along the adjusting pipe 3013, the inner wall of the adjusting pipe 3013 and the oil guide pipe 6 is washed, the oil accumulated on the inner wall of the oil outlet pipe 4 for a long time is prevented from causing blockage, the unloading speed of the oil truck is ensured subsequently, and at this time, the sealing piston 3015 still blocks the input end of the inlet water pipe 3014.

[0034] Please refer to Figure 1 and Figure 4As shown in the drawings, the soaking mechanism 2 comprises a soaking box 204 slidably connected with the support base 5 through two guide rails, and an opening 205 is formed in the side of the soaking box 204 corresponding to the position of the oil outlet pipe 4, and a drainage unit 203 is arranged on the side of the soaking box 204 away from the opening 205 for discharging sewage, and a transversely arranged displacement air cylinder 202 is fixedly installed on the support base 5, the extending end of the displacement air cylinder 202 is fixedly connected with the soaking box 204, and the displacement air cylinder 202 is located above the drainage unit 203; the inner diameter of the opening 205 should be matched with the outer diameter of the oil outlet pipe 4 to ensure that no (or only a small amount of) liquid will overflow from the gap between the oil outlet pipe 4 and the opening 205 after the oil outlet pipe 4 is inserted into the opening 205.

[0035] As shown in the drawings, Figure 4 As shown in the drawings, the top of the soaking box 204 is fixedly connected with an air pipe 206, and a support frame 201 is fixedly arranged on the side of the top of the soaking box 204 close to the displacement air cylinder 202, and a transmission wheel is rotatably arranged at the top end of the support frame 201, and the position of the transmission wheel corresponds to the position of the other segment of the L-shaped plate 302.

[0036] As shown in the drawings, Figure 4 and Figure 5 As shown in the drawings, the drainage unit 203 comprises a drainage opening 2034 formed in the bottom of the soaking box 204, and a turnover plate 2036 is hingedly connected at the drainage opening 2034, and an inclined baffle 2035 is fixedly installed on the side of the turnover plate 2036, and the top end of the baffle 2035 is fixedly connected with the turnover plate 2036, and a limiting plate 2033 is fixedly installed on the side of the turnover plate 2036 away from the baffle 2035.

[0037] As shown in the drawings, Figure 5As shown in the drawings, the limiting plate 2033 is fixedly connected with an incomplete ring 2032, the outer wall of the soaking box 204 is fixedly installed with a guide plate 2031, one end of the incomplete ring 2032 is movably penetrated through the guide plate 2031, and the incomplete ring 2032 between the soaking box 204 and the guide plate 2031 is sleeved with a second push spring; the cleaning liquid from the oil outlet pipe 4 is injected into the soaking box 204, the air is discharged through the air pipe 206, the liquid level of the cleaning liquid in the soaking box 204 completely immerses the output end of the oil outlet pipe 4, so that the oil stains on the outer wall of the output end of the oil outlet pipe 4 are removed through the cleaning liquid, at this time, the output end of the oil outlet pipe 4 is not in contact with the turnover plate 2036; the extension end of the control displacement cylinder 202 is elongated to a set length, at this time, the sealing piston 3015 blocks half of the input end of the water inlet pipe 3014, the water pump 303 is opened to inject clean water into the oil guide pipe 6, and then the clean water is discharged along with the oil outlet pipe 4, at the same time, the output end of the oil outlet pipe 4 pushes open the turnover plate 2036, so that the sewage in the soaking box 204 is discharged through the discharge port 2034, and because the baffle 2035 guides and shields the clean water flowing out of the output end of the oil outlet pipe 4, the clean water fills the soaking box 204, the extension end of the control displacement cylinder 202 is continuously elongated to the longest, so that the turnover angle of the turnover plate 2036 is increased, and the clean water output from the oil outlet pipe 4 carries the sewage in the soaking box 204 to be discharged through the discharge port 2034, so that the oil stains are prevented from being formed on the outer wall of the oil outlet pipe 4 after the oil is unloaded, and the quality of the oil during subsequent oil unloading is affected.

[0038] As shown in the drawings, Figure 1 and Figure 4 As shown in the drawings, the support seat 5 between the soaking box 204 and the oil outlet pipe 4 is provided with a sewage discharge hole, and the sewage discharge hole is located between the two guide rails.

[0039] As shown in the drawings, Figure 1 and Figure 6 As shown in the drawings, the bottom of the oil storage tank 7 is communicated with an oil discharge pipe 1, the output end of the oil discharge pipe 1 is communicated with the middle part of the oil guide pipe 6, the middle part of the oil discharge pipe 1 is fixedly installed with a control valve 10 and an oil flow meter 9, the control valve 10 is located above the oil flow meter 9, and the oil flow meter 9 is a prior art.

[0040] As shown in the drawings, Figure 1 and Figure 6 As shown in the drawings, the top of the support seat 5 is further fixedly installed with a transversely arranged oil scraping cylinder 11, the extension end of the oil scraping cylinder 11 is movably penetrated through the oil guide pipe 6 and is fixedly connected with an oil scraping piston 8, and the position of the oil scraping piston 8 is staggered with the position of the output end of the oil discharge pipe 1.

[0041] Working principle: in use, first, as shown in the drawings, Figure 1 and Figure 6As shown, the output end of the oil outlet pipe 4 is communicated with the external pipeline for oil unloading, at this time, the extending end of the oil scraping cylinder 11 and the displacement cylinder 202 are both at the shortest, by opening the control valve 10, the oil in the oil storage tank 7 is transported to the external pipeline for oil unloading, and the oil unloading amount is counted by cooperating with the oil flow meter 9, when the oil is unloaded, the external pipeline for oil unloading is removed in time; as shown, Figure 1 As shown, by controlling the extending end of the oil scraping cylinder 11 to be elongated, the residual oil on the inner wall of the oil guide pipe 6 is pushed into the oil outlet pipe 4 by cooperating with the oil scraping piston 8, so as to avoid the waste of oil, and at the same time, it is convenient for subsequent efficient cleaning of the inner wall of the oil outlet pipe 4; as shown, Figures 2-4 As shown, after the pipeline connected to the output end of the oil outlet pipe 4 is removed, the extending end of the displacement cylinder 202 is controlled to be elongated to half length, in this process, the output end of the oil outlet pipe 4 penetrates the opening 205 and extends into the soaking box 204, the transmission wheel provides the power for overturning the L-shaped plate 302, so that the L-shaped plate 302 drives the sealing piston 3015 to move upward by cooperating with the roller 3011 and the push-pull rod 3012, so that the sealing piston 3015 is staggered with the output end of the liquid inlet pipe 3016, so that the cleaning liquid in the cleaning barrel 305 is injected into the oil guide pipe 6 along the adjusting pipe 3013, so as to flush the inner wall of the adjusting pipe 3013 and the oil guide pipe 6, prevent the oil accumulated on the inner wall of the oil outlet pipe 4 for a long time from causing blockage, and ensure the unloading speed of the subsequent oil truck, at this time, the sealing piston 3015 still blocks the input end of the water inlet pipe 3014; as shown, Figure 4 and Figure 5 As shown, the cleaning liquid flushed out of the oil outlet pipe 4 is injected into the soaking box 204, due to the exhaust of the air pipe 206, the liquid level of the cleaning liquid in the soaking box 204 completely immerses the output end of the oil outlet pipe 4, so that the oil stains on the outer wall of the output end of the oil outlet pipe 4 are removed by the cleaning liquid, at this time, the output end of the oil outlet pipe 4 is not in contact with the overturning plate 2036; as shown, Figure 4 and Figure 5 As shown, the extending end of the displacement cylinder 202 is controlled to be elongated to a set length, at this time, the sealing piston 3015 blocks half of the input end of the water inlet pipe 3014, the water pump 303 is opened to inject clean water into the oil guide pipe 6, and then the clean water flows out along with the oil outlet pipe 4, at the same time, the output end of the oil outlet pipe 4 pushes open the overturning plate 2036, so that the sewage in the soaking box 204 is discharged through the drain 2034, and due to the guiding and shielding of the baffle 2035 to the clean water flowing out of the output end of the oil outlet pipe 4, the clean water fills the soaking box 204, the extending end of the displacement cylinder 202 is further controlled to be elongated to the longest, so that the overturning angle of the overturning plate 2036 becomes larger, cooperating with the clean water output from the oil outlet pipe 4, the sewage in the soaking box 204 is discharged from the drain 2034, so as to prevent the oil stains from forming on the outer wall of the oil outlet pipe 4 after the oil is unloaded, which affects the quality of the oil during subsequent oil unloading.

[0042] The above merely describes the preferred embodiments of the present application, and is not intended to limit the present application in any form. Although the present application has been disclosed with the preferred embodiments as above, it is not intended to limit the present application. Any person skilled in the art can make some changes or modifications to the above disclosed technical content to obtain equivalent embodiments with equivalent changes, as long as the changes or modifications do not deviate from the technical solution of the present application. Any modification, change, equivalent change and modification of the above embodiments made according to the technical essence of the present application still belong to the scope of the technical solution of the present application.

Claims

1. An automatic control metering device for oil unloading of an oil truck, comprising a support seat (5) and an oil storage tank (7) fixedly arranged on the top of the support seat, characterized in that: The top of the support base (5) is fixedly provided with an oil guide pipe (6), one end of the oil guide pipe (6) is fixedly communicated with an oil outlet pipe (4), the rear of the oil outlet pipe (4) is provided with a decontamination mechanism (3) for cleaning residual oil in the oil guide pipe (6), and one side of the oil guide pipe (6) is provided with a soaking mechanism (2) for cleaning impurities at the port of the oil outlet pipe (4). The decontamination mechanism (3) comprises a cleaning barrel (305) fixedly connected with the bottom of the oil storage tank (7), the top of the cleaning barrel (305) is fixedly communicated with a feeding pipe (306), and the support base (5) is fixedly provided with a water storage barrel (304) on one side of the cleaning barrel (305) close to the soaking mechanism (2); and an adjusting unit (301) for controlling the discharge of cleaning liquid is arranged between the water storage barrel (304) and the cleaning barrel (305). The adjusting unit (301) comprises an adjusting pipe (3013) fixedly communicated with the oil guide pipe (6), liquid inlet pipes (3016) and water inlet pipes (3014) are fixedly communicated with the outer walls on both sides of the adjusting pipe (3013), respectively, the output end of the liquid inlet pipe (3016) is located below the output end of the water inlet pipe (3014), the input end of the liquid inlet pipe (3016) is communicated with the bottom of the cleaning barrel (305), and the input end of the water inlet pipe (3014) is communicated with the output end of the water pump (303). A sealing piston (3015) for blocking the liquid inlet pipe (3016) and the water inlet pipe (3014) is slidably arranged on the inner wall of the adjusting pipe (3013), the top of the sealing piston (3015) is fixedly connected with a push-pull rod (3012), the top end of the push-pull rod (3012) is movably penetrated through the adjusting pipe (3013) and is rotatably connected with a roller (3011), the roller (3011) is rollingly connected with one segment of the L-shaped plate (302), and a first push spring is elastically arranged between the top of the sealing piston (3015) and the adjusting pipe (3013).

2. The automatic control metering device for oil unloading of oil trucks according to claim 1, characterized in that, The water pump (303) is fixedly arranged on the water storage barrel (304), the input end of the water pump (303) extends into the water storage barrel (304), and the L-shaped plate (302) is rotatably arranged on the top of the front surface of the water storage barrel (304).

3. The automatic control metering device for oil unloading of oil trucks according to claim 1, characterized in that, The soaking mechanism (2) comprises a soaking box (204) slidably connected with the support base (5) through two guide rails, an opening (205) corresponding to the position of the oil outlet pipe (4) is formed in the side surface of the soaking box (204), a drainage unit (203) for discharging sewage is arranged on the side surface of the soaking box (204) away from the opening (205), and a displacement air cylinder (202) is fixedly arranged on the support base (5), and the extension end of the displacement air cylinder (202) is fixedly connected with the soaking box (204).

4. The automatic control metering device for oil unloading of oil trucks according to claim 3, characterized in that, The top of the soaking box (204) is fixedly communicated with a ventilation pipe (206), and the top of the soaking box (204) is fixedly provided with a support frame (201) near one side of the displacement cylinder (202), the top end of the support frame (201) is rotationally provided with a transmission wheel, and the position of the transmission wheel corresponds to the position of the other section of the L-shaped plate (302).

5. The automatic control metering device for oil unloading of oil trucks according to claim 3, characterized in that, The excretion unit (203) comprises an excretion opening (2034) formed in the bottom of the soaking box (204), a turnover plate (2036) is hingedly arranged at the excretion opening (2034), the side surface of the turnover plate (2036) is fixedly installed with an inclined baffle (2035), the top end of the baffle (2035) is fixedly connected with the turnover plate (2036), and the side surface, away from the baffle (2035), of the turnover plate (2036) is fixedly installed with a limiting plate (2033).

6. The automatic control metering device for oil unloading of oil trucks according to claim 5, characterized in that, The limiting plate (2033) is fixedly connected with an incomplete ring (2032), the outer wall of the soaking box (204) is fixedly installed with a guide plate (2031), one end of the incomplete ring (2032) is movably penetrated through the guide plate (2031), and the incomplete ring (2032) between the soaking box (204) and the guide plate (2031) is sleeved with a second push spring.

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