CN111977601B

CN111977601B - Liquid remote quantitative loading system

Info

Publication number: CN111977601B
Application number: CN202010977180.4A
Authority: CN
Inventors: 靳永红; 海涛; 张超; 杨世国; 韩宇; 李守虎; 张栋; 梁洪云
Original assignee: Sinopec Northwest Oil Field Co
Current assignee: Sinopec Northwest Oil Field Co
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2021-12-07
Anticipated expiration: 2040-09-17
Also published as: CN111977601A

Abstract

The invention relates to a remote quantitative liquid loading system which comprises an upper bracket, a remote alignment system, an automatic loading crane pipe arranged on the upper bracket, a control box and a metering system, wherein the automatic loading crane pipe is arranged on the upper bracket; the touch rod touches a tank opening of the oil storage tank, the control box controls the vertical pipe to extend into the tank opening of the oil storage tank to reach an inlet distance and then stop moving, the control box controls the oil pump to start to charge oil, the protective shell floats upwards along with the liquid level, and the control box controls the oil pump to stop pumping when the inner bottom wall of the protective shell triggers the floating switch; according to the invention, the vertical pipe can be quickly aligned with the tank opening of the tank car, and the float liquid level meter is designed to automatically control the starting and stopping of the oil pump and measure the liquid level of the tank car, so that the flow meter or manual control can be replaced, the starting and stopping control of the oil pump is realized, and the quantitative control is more accurate; the invention can realize the unmanned liquid filling on site, has accurate measurement, can improve the oil filling operation efficiency and achieves the aims of safety, energy saving and yield increase.

Description

Liquid remote quantitative loading system

Technical Field

The invention belongs to the technical field of oil filling pipes, and particularly relates to a liquid remote quantitative loading system.

Background

The oil filling riser is a pipe that can stretch out and draw back the removal, it is mostly used for petroleum, chemical industry pier liquid loading and unloading, at present, when carrying out the thin oil transportation, all need carry out the transportation of oil with the tank car, when carrying out the dress liquid with traditional mode, need arrange the staff to the operation of on-the-spot cooperation tank car, on-the-spot staff need align the jar mouth of oil filling riser with the tank car through the mode that the manual work drags, then control the oil filling riser decline and go deep into the jar and begin to adorn liquid, and through the flowmeter, the tank car is weighed around the loading, measure measuring modes such as measuring chi carry out the survey of dress liquid volume.

The labor intensity of workers is high by manually dragging and aligning the oil filling riser, the oil filling riser is also installed on a power device to realize the manual control movement of the oil filling riser at present, but the alignment of the oil filling riser is also dependent on the field manual visual measurement and manual control, and Chinese patent 201821209879.0 discloses a full-automatic automobile loading oil filling riser, which comprises a laser radar sensor; the central position of the tank opening is collected through the laser radar sensor, and then the horizontal rotating mechanism, the horizontal telescopic mechanism and the lifting mechanism are adjusted through the control box to finish the accurate alignment of the oil filling riser and the tank opening of the tank car, so that the working efficiency is greatly improved; however, in the patent, the central position of the laser radar acquisition tank opening and the control box are two steps for adjusting the alignment of the oil filling riser, and the alignment is not performed synchronously, which slows down the efficiency of the alignment of the oil filling riser to a certain extent.

In order to improve the detection precision of the liquid level in the oil storage tank when loading, chinese patent 201920836563.2 a liquid level pipe that hangs down is surveyed to laser of fluid loading and unloading oil filling riser relates to fluid loading oil filling riser field, including the reflector panel that establishes the reflection of light face on the slider and set up, the reflector panel passes through the hinge and articulates on the slider, is connected with the flotation pontoon at the lower surface of reflector panel free end, and fixed mounting has the laser position finder that corresponds with the reflection of light face of reflector panel on the pipe body that hangs down. The liquid refraction problem when the laser is used for liquid measurement is solved by adopting the laser as a distance measuring medium and utilizing the floating type reflector; the reflector drives the slider to slide upwards, so that the liquid level is monitored in real time, and the liquid level monitoring device is flexible and simple in structure and easy to maintain; however, since the fluid is usually pressurized when the loading arm is loaded, a large amount of liquid splashes in the tank body during the loading process, and the splashed liquid drops fall on the reflector, which causes inaccurate measurement.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide a liquid remote quantitative loading system for automatically loading a loading crane through manual video alignment control.

The technical scheme of the invention is as follows:

a liquid remote quantitative loading system comprises an upper bracket, a remote alignment system, an automatic loading crane pipe arranged on the upper bracket, a control box and a metering system;

the automatic loading crane pipe comprises an all-dimensional mechanical motion mechanism and a vertical pipe, wherein the all-dimensional mechanical motion mechanism comprises a main support platform, a transverse motion frame, a vertical support and a sliding frame, the main support platform is rotatably assembled on the top end face of an upper support, the transverse motion frame is in sliding fit with the main support platform, the vertical support is fixedly arranged on the transverse motion frame, the sliding frame is in sliding fit with the vertical support, the vertical pipe is vertically arranged on the sliding frame, the main support platform, the transverse motion frame and the sliding frame are respectively driven to move by corresponding execution units, the execution units are controlled by a control box, a remote alignment system and a metering system are respectively in communication connection with a remote alignment system and the metering system respectively, and the all-dimensional mechanical motion mechanism can realize the rotation of the vertical pipe in the same plane, the translation towards the tank car direction and the vertical pipe up-down movement, so that the all-dimensional movement of the vertical pipe within a certain range is realized;

the remote alignment system comprises a first camera, a first camera driving mechanism and a remote control terminal, wherein the first camera is assembled below the vertical support, the first camera driving mechanism is used for driving the first camera to translate between a first position and a second position, the second position refers to the peripheral area of the vertical pipe, the first camera is located at the first position when the vertical pipe translates, and the first camera is located at the second position when the vertical pipe moves up and down; the remote control terminal is connected with the control box through the Internet and comprises a monitoring display and an operating device, wherein the monitoring display can synchronously display an image acquired by the camera;

the metering system comprises an oil pump, a measuring rod vertically arranged on the periphery of the vertical pipe, a touch rod sleeved on the measuring rod, an electronic bin arranged at the top of the measuring rod and a floater arranged at the lower end of the measuring rod, wherein a small magnet close to the measuring rod is arranged in the touch rod, the touch rod can freely move up and down along the measuring rod, and the length of the touch rod is greater than the inner diameter of a tank opening of the oil storage tank; the floater comprises a floating switch arranged at the lower end of the measuring rod and a protective shell covering the floating switch and the periphery of the lower end of the measuring rod, the protective shell can float on the oil level, the bottom of the protective shell is closed, the top of the protective shell is provided with a rod through hole II allowing the lower part of the measuring rod to freely move, the bottom of the vertical pipe is provided with a tail block piece, so that the vertical pipe cannot fall off from the protective shell, the floater is higher than the lowest end of the vertical pipe by a certain height difference and the height difference is recorded as the floater height difference, and the oil pump, the electronic bin and the floating switch are in communication connection with the control box;

the feeler lever touches the tank mouth of the oil storage tank, the control box controls the vertical pipe to stretch into the tank mouth of the oil storage tank to stop moving after reaching the inlet distance, the control box controls the oil pump to start to charge oil, the protective shell floats upwards along with the liquid level, and the control box controls the oil pump to stop pumping when the inner bottom wall of the protective shell triggers the floating switch.

Furthermore, camera actuating mechanism including set firmly in the mount two on horizontal movable frame or perpendicular support, set firmly in the mount three on horizontal movable frame or perpendicular support, rotate the assembly in rotor arm on the mount two with rotate connect on the rotor arm and be used for driving the rotor arm and use mount two to be axis pivoted linear motion mechanism, linear motion mechanism's the other end rotates and connects on mount three, camera one sets up and sets up in the rotor arm and keeps away from the one end of horizontal movable frame and the vertical downwards of camera lens direction of camera one, linear motion mechanism is controlled by the control box.

Furthermore, camera actuating mechanism includes that the level sets firmly the end guide rail on horizontal movable rack or erect the support, sliding connection in end slider on the end guide rail and be used for the drive end slider along the straight line actuating mechanism of the extending direction motion of end guide rail, be provided with the rotor arm on one side of end slider, camera one sets firmly in the one end of rotor arm keeping away from end slider and the vertical downwards of camera lens direction of camera one.

Furthermore, be provided with on the rotor arm with the first oil receiving bowl that aligns from top to bottom of camera, the bowl export has been seted up to bottom one side of oil receiving bowl, the bowl export has the recovery container that is used for retrieving the adhesion and remains fluid on the intraductal outer wall of plumbing through connecing the oil pipe intercommunication.

Furthermore, the cross section of the measuring rod is not in a perfect circle shape, and a rod through hole I in clearance fit with the measuring rod is formed in the middle of the feeler lever; the vertical section of the feeler lever is in a regular circle or an ellipse or the lower part of the feeler lever is in a convex arc shape.

Further, the protective case includes that the bottom seals and upper end open-ended floats the shell and the shutoff floats the lid at shell upper end open-ended, two setups in pole perforation are floated the lid middle part and with survey pole clearance fit, the circumscribed circle diameter of end separation blade is greater than the diameter of two pole perforation.

Furthermore, a main supporting seat is arranged on the top end surface of the upper bracket, a rotating driven gear is horizontally assembled at the top of the main supporting seat, a rotating motor is arranged on one side of the main supporting seat, an output shaft of the rotating motor is connected with a rotating main gear meshed with the rotating driven gear, and the main supporting platform is arranged on the top surface of the rotating driven gear;

the horizontal positioning blocks are symmetrically arranged on two sides of the top surface of the main support table, horizontal guide rails in sliding connection with the horizontal positioning blocks are arranged on the bottom surface of the horizontal moving frame, a gap is formed in the middle of the horizontal moving frame, a plurality of arched frames are arranged on the horizontal moving frame, the arched frames are distributed along the extending direction of the horizontal moving frame, two ends of each arched frame are connected to two sides of the gap, a line pipe is arranged on the bottom surface of the middle of each arched frame, a horizontal rack is arranged on the bottom surface of the line pipe, a horizontal motor is arranged on the main support table, and a horizontal gear meshed with the horizontal rack is connected to an output shaft of the horizontal motor;

one end of the transverse moving frame, which is close to the main support table, is provided with a connecting seat, the connecting seat comprises a vertical surface, the vertical support is fixedly connected to the vertical surface of the connecting seat, one surface of the vertical support, which is close to the vertical pipe, is provided with a vertical rack, vertical guide rails are arranged at intervals on two sides of each vertical rack, a vertical sliding block and a vertical motor which are in sliding fit with the vertical guide rails are arranged on the sliding frame, and a vertical gear which is meshed with the vertical racks is connected to an output shaft of the vertical motor; the vertical motor, the rotary motor and the horizontal motor are all controlled by a control box; the vertical pipe is vertically arranged on the sliding frame through a connecting piece fixedly arranged at the upper part of the vertical pipe.

Furthermore, a limiting frame allowing an oil hose to pass through is arranged at the top of the arched frame, an end frame is arranged on the sliding frame, a top frame is arranged at the top end of the vertical support, a rear frame is arranged at one end, close to the connecting seat, of the rear side face of the vertical support, a tail frame and two middle frames arranged downwards are arranged on the transverse moving frame, a lower frame extends out of the main support table and is located in the middle of the transverse moving frame, transition frames used for supporting the drag chain are connected between the top frame and the rear frame and between the two middle frames, and the end frame, the rear frame, the tail frame and the lower frame are respectively used for fixing one end of the drag chain; the positions of the rear frame, the tail frame and the lower frame are fixed relative to the main supporting table, and the end frame moves along with the sliding frame and is not in contact with the transition frame, so that the movement interference between the end frame and the transition frame is prevented.

Furthermore, all-round mechanical type motion still includes spacing subassembly, spacing subassembly include along the length direction of traverse frame a pair of horizontal explosion-proof travel switch who lays, the salient set up in traverse frame one side and with a pair of horizontal separation blade of explosion-proof travel switch complex, set up in a pair of perpendicular explosion-proof travel switch of erecting both ends about the support, set up in on the carriage and with explosion-proof travel switch complex erects the separation blade and sets up in a pair of explosion-proof travel switch that changes that the upper bracket top set up, the side of main tributary supporting bench can with change explosion-proof travel switch's swing arm contact.

Furthermore, a brake motor is arranged on one side of the main supporting seat, and a brake gear meshed with the rotary driven gear is arranged on an output shaft of the brake motor.

Further, the liquid remote quantitative loading system further comprises a tank car identification and positioning system, the tank car identification and positioning system comprises a stop line arranged on the ground below the vertical pipe and an identification camera arranged on one side of the stop line and used for identifying license plates, and the identification camera is in communication connection with the control box.

Furthermore, a second camera for observing the tank car from other visual angles is further arranged on the upper support, a panoramic camera is arranged on the periphery of the upper support, and the second camera and the panoramic camera are both in communication connection with the control box.

Furthermore, the floating switch is a light touch switch or a microswitch, and the floating switch is triggered by the inner bottom wall of the protective shell after the protective shell floats upwards.

Furthermore, the upper part of the measuring rod is arranged on the connecting piece, so that the measuring rod and the vertical pipe can move synchronously.

When the invention works, no personnel need to reside on site, the vertical pipe of the first camera is positioned right below the vertical pipe when translating, namely, the feedback image of the first camera is just opposite to the vertical pipe, so that a truck loader can control the vertical pipe to be aligned with a tank opening through the image transmitted by the first camera in real time remotely, after the vertical pipe is aligned, the first camera is moved away from the lower part of the vertical pipe, the vertical pipe starts to move downwards under the control of the truck loader, because the heights of the tank openings of the tank truck are different, the application needs to know the height of the liquid level in the tank truck, therefore, the position of the tank opening is judged by arranging the touch rod, after the position of the tank opening is determined, the vertical pipe extends into the tank opening to the inlet distance, the oil pump starts to charge oil until the protective shell touches the floating switch, the oil pump is stopped, the model or the volume of the tank truck can be obtained by being connected with a driver, observed through other cameras or identified by the license plate number, because the position of the tank opening, the extending distance of the vertical pipe and the distance between the protective shell and the lower end of the vertical pipe are known, the height of the liquid level in the tank car can be calculated, similar to the measurement by a measuring ruler, and the volume number of the oil can be further determined according to the volume of the oil storage tank of the tank car; after the oil is filled, the vertical pipe needs to be pulled out of the tank opening, and the first camera and the oil receiving bowl return to the position below the vertical pipe to receive oil dropped by the vertical pipe.

Compared with the prior art, the invention has the beneficial effects that:

compared with the prior art, the vertical pipe alignment control device has the advantages that the first camera is coaxially arranged with the vertical pipe in the process that the vertical pipe is aligned with the tank opening, so that a worker can remotely control the movement of the vertical pipe on a remote control terminal according to an image transmitted back by the first camera, visual angle errors cannot be generated due to the fact that the vertical pipe is aligned with the first camera, and the first camera and the vertical pipe synchronously move to align the tank opening, so that the vertical pipe can be quickly aligned with the tank opening of a tank car; in the aspect of oil loading measurement, the invention designs the floater liquid level meter to automatically control the starting and the stopping of the oil pump and measure the liquid level of the tank car, thereby replacing a flowmeter or manual control, realizing the starting and the stopping control of the oil pump and having more accurate quantitative control; the invention can realize the on-site unmanned liquid filling, has accurate measurement, can improve the oil filling operation efficiency and achieves the purposes of safety, energy saving and yield increase;

because the invention adopts the mode of manually and remotely controlling the vertical pipe, compared with the traditional alignment mode of manually dragging the crane pipe, the invention greatly lightens the labor intensity, and simultaneously can also reduce the personnel on the platform site to watch, and avoid the volatilization of oil gas to harm the health of human bodies;

compared with the laser positioning-based crane pipe alignment mode in the prior art, the crane pipe video alignment system has the advantages that the cost of the device is lower, complicated program control is not needed, and equipment maintenance is facilitated;

the float liquid level meter of the invention adopts a mode that the feeler lever is in physical contact with the upper edge of the tank opening to judge the height of the tank opening as the initial height of the vertical pipe extending into the tank opening, thereby eliminating errors caused by different tank truck heights, then controlling the depth of the vertical pipe entering the tank opening according to the moving distance data of the feeler lever relative to the feeler lever, starting the oil pump to fill oil, triggering the floating switch as a signal for stopping the oil pump by the protective shell floating on the liquid level after the liquid level in the oil storage tank reaches a target position, thereby replacing a flowmeter or manual control, realizing the start-stop control of the oil pump and realizing more accurate quantitative control.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of another view angle according to an embodiment of the present invention.

Fig. 3 is an assembly schematic diagram of a first camera according to an embodiment of the present invention.

Fig. 4 is a schematic position diagram of the floating switch of the protective shell according to the embodiment of the invention.

FIG. 5 is a schematic view of the position of the oil filling device according to the embodiment of the present invention.

Fig. 6 is a schematic top view of a trolley according to an embodiment of the invention.

Fig. 7 is a schematic (top view) of a first camera head when the drop tube of another embodiment of the present invention fills oil into the oil storage tank.

In the figure, an upper bracket (101), an end bracket (102), a top bracket (103), a rear bracket (104) and a transition bracket

(105) The anti-explosion device comprises a drag chain (106), an oil storage tank (108), a tank opening (109), a control box (110), a lower frame (111), a tailstock (112), a middle frame (113), a main support seat (201), a rotary driven gear (202), a rotary motor (203), a rotary main gear (204), a main support platform (205), a transverse frame (206), a connecting seat (207), a vertical support (208), a sliding frame (209), a transverse orientation block (210), a transverse guide rail (211), an arch frame (212), a transverse rack (213), a transverse motor (214), a transverse gear (215), a transverse anti-explosion travel switch (216), a limiting frame

(217) A vertical guide rail (218), a vertical sliding block (219), a vertical rack (220), a vertical motor (221) and a vertical gear

(222) The anti-explosion safety device comprises a vertical anti-explosion travel switch (223), a transverse baffle plate (224), a vertical baffle plate (225), a brake motor (226), a brake gear (227), a rotary anti-explosion travel switch (228), a line pipe (229), a vertical pipe (301), a connecting piece (302), an oil hose (303), a camera head I (401), a fixing frame II (506), a rotating arm

(507) An oil receiving bowl (508), a bowl outlet (509), a fixing frame III (512), a bowl oil cylinder (513) and a plug hole

(514) The magnetic suspension type magnetic suspension switch comprises a floating switch (602), a measuring rod (603), a contact rod (604), a rod through hole I (605) and a small magnet

(606) The device comprises a floating shell (607), a rod through hole II (608), a floating cover (609), a last baffle (610), an inlet distance (H1), a float height difference (H2), a liquid level highest height (H3) and a height difference (delta H) between an oil liquid level and an upper edge of a tank opening when the pump is stopped.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 6, a liquid remote quantitative loading system includes an upper bracket 101, a remote alignment system, an automatic loading crane pipe mounted on the upper bracket 101, a control box 110 and a metering system;

the automatic loading crane pipe comprises an omnibearing mechanical motion mechanism and a vertical pipe 301, the omnibearing mechanical motion mechanism comprises a main support platform 205 which is rotatably assembled on the top end face of an upper support 101, a transverse support 206 which is in sliding fit with the main support platform 205, a vertical support 208 which is fixedly arranged on the transverse support 206 and a sliding frame 209 which is in sliding fit with the vertical support 208, the vertical pipe 301 is vertically arranged on the sliding frame 209, the main support platform 205, the transverse support 206 and the sliding frame 209 are respectively driven to move by corresponding execution units, the execution units are controlled by a control box 110, a remote alignment system and a metering system are respectively in communication connection with the control box 110, the omnibearing mechanical motion mechanism can realize the rotation of the vertical pipe 301 in the same plane, the translation towards a tank car and the up-down movement of the vertical pipe 301, thereby realizing the omnibearing movement of the vertical pipe 301 in a certain range;

the remote alignment system comprises a first camera 401, a first camera driving mechanism and a remote control terminal, wherein the first camera 401 is assembled below the vertical support 208, the first camera driving mechanism is used for driving the first camera 401 to translate between a first position and a second position, the first position refers to a position right below the vertical pipe 301, the second position refers to the peripheral area of the vertical pipe 301, the first camera 401 is located at the first position when the vertical pipe 301 translates, and the first camera 401 is located at the second position when the vertical pipe 301 moves up and down; namely, in the process that the vertical pipe 301 is aligned with the tank opening 109, the first camera 401 is always positioned under the vertical pipe 301, and the first camera 401 and the vertical pipe 301 move synchronously, so that a remote control worker cannot generate visual angle errors, and the vertical pipe 301 can be quickly aligned, and the first camera 401 does not change in height due to the fact that the first camera 401 is translated between the first position and the second position when the first camera 401 is switched, so that the size of an image displayed on a monitoring display cannot be changed, and the vertical pipe 301 can be controlled by the worker;

the remote control terminal is connected with the control box 110 through the Internet and comprises a monitoring display and an operating device, wherein the monitoring display can synchronously display images acquired by the first camera 401; the remote control terminal adopts the conventional technology that the wireless communication modules such as the 4G module and the 5G module in the prior art are adopted to carry out communication connection among the devices, and the detailed description is omitted; the control box 110 communicates the on-site video signal to a remote control terminal, the remote control terminal can adopt an intelligent terminal such as a computer, a tablet computer and a mobile phone, and the operating device can adopt a touch screen of the intelligent terminal or an external control device such as a mouse, a track ball, a rocker and a keyboard;

the metering system comprises an oil pump, a measuring rod 603 vertically arranged on the periphery of the vertical pipe 301, a feeler lever 604 sleeved on the measuring rod 603, an electronic bin arranged at the top of the measuring rod 603 and a floater arranged at the lower end of the measuring rod 603, wherein a small magnet 606 close to the measuring rod 603 is arranged in the feeler lever 604, the feeler lever 604 can freely move up and down along the measuring rod 603, and the length of the feeler lever 604 is larger than the inner diameter of a tank opening 109 of the oil storage tank 108; the floater comprises a floating switch 602 arranged at the lower end of the measuring rod 603 and a protective shell covering the periphery of the lower ends of the floating switch 602 and the measuring rod 603, the protective shell can float on the oil level, the bottom of the protective shell is closed, the top of the protective shell is provided with a rod through hole II 608 allowing the lower part of the measuring rod 603 to freely move, the bottom of the vertical pipe 301 is provided with a tail piece 610, so that the vertical pipe 301 cannot fall out of the protective shell, the floater is higher than the lowest end of the vertical pipe 301 by a certain height difference and is recorded as a floater height difference H2, and the oil pump, the electronic bin and the floating switch 602 are in communication connection with the control box 110; the floating switch 602 is a tact switch or a microswitch, and the floating switch 602 is triggered by the inner bottom wall of the protective shell after the protective shell floats upwards; actually, the measuring rod 603, the touch rod 604 and the electronic bin form a float liquid level meter with the same principle as the magnetostrictive liquid level meter, the principle of the float liquid level meter is the same as that of the magnetostrictive liquid level meter, electronic components for transmitting pulse current and detecting torsional wave pulse are arranged in the electronic bin, a waveguide wire is arranged in the measuring rod 603, the touch rod 604 and a small magnet 606 therein form a position magnetic field transmitting component similar to a magnetic floating ball in the magnetostrictive liquid level meter, and therefore the float liquid level meter formed by the measuring rod 603, the touch rod 604, the electronic bin and the like can measure the position variation distance of the touch rod 604; therefore, the oil pump can replace a flowmeter or manual control, start-stop control and quantitative oil loading of the oil pump are realized, and quantitative control is more accurate.

As shown in fig. 4 to 6, the float level gauge determines the height of the tank opening 109 by adopting a physical contact mode of the feeler lever 604 and the upper edge of the tank opening 109, the height of the feeler lever 604 touching the tank opening 109 is used as the initial height of the vertical pipe 301 extending into the tank opening 109, so that errors caused by different tank truck heights can be eliminated, then the depth of the vertical pipe 301 entering the tank opening 109 is controlled according to the distance data of the movement of the feeler lever 603 relative to the feeler lever 604, the control box 110 controls the vertical pipe 301 extending into the tank opening 109 of the oil storage tank 108 to reach the inlet distance H1 and then stops moving, the control box 110 controls the oil pump to start oil filling, the protective shell floats upwards along with the liquid level, and the control box 110 controls the oil pump to stop when the inner bottom wall of the protective shell floating on the liquid level triggers the float switch 602 after the liquid level in the oil storage tank 108 reaches the target position; the feeler lever 604 and the floater are used as trigger switches for starting and stopping the oil pump to realize accurate control, and meanwhile, the volume of oil in the oil storage tank 108 can be calculated by combining the known data matching, so that a flowmeter or manual control can be replaced, and accurate quantitative loading is realized.

The principle of liquid level measurement is similar to that of ruler measurement, the key point of the ruler measurement lies in obtaining the highest liquid level height H3, the highest liquid level height H3 in the measuring method is obtained through calculation, firstly, the height difference delta H between the liquid level of oil and the upper edge of a tank opening when a pump is stopped needs to be calculated, specifically, the height difference delta H between the liquid level of the oil and the upper edge of the tank opening when the pump is stopped is obtained by subtracting the height difference H2 from the inlet distance H1, the highest liquid level height H3 is obtained by subtracting the height difference delta H between the liquid level of the oil and the upper edge of the tank opening when the pump is stopped from the height of an oil storage tank 108, and then the volume data of the oil storage tank 108 is calculated according to the specification of the oil storage tank 108; the inlet distance H1 sets the downward extending distance of the vertical pipe 301, the inlet distance H1 can be set through a remote control terminal, when the measuring rod 603 and the floater are installed, the height of the floater from the lowest end of the vertical pipe 301 can be directly measured, the floater is attached to the oil liquid level to trigger the float switch 602, therefore, the oil filling volume in the oil storage tank 108 can be controlled by adjusting the height difference H2 of the floater, the height difference H2 of the floater is increased, namely the target oil filling amount in the oil storage tank 108 is increased when the floater is installed to be higher, and therefore when oil is filled into the oil storage tanks 108 with different volumes, the volume of the oil storage tank 108 of the tank truck and the maximum oil filling capacity need to be obtained to perform adaptive adjustment on the height difference H2 of the floater.

Further, the vertical pipe 301 is connected to an oil pump through an oil hose 303, and a flow meter for checking and calculating the oil filling volume by the float height difference H2 is provided upstream of the oil pump.

In one embodiment, as shown in fig. 1 to 3 and 5, the camera driving mechanism includes a second fixed frame 506 fixed on the horizontal moving frame 206 or the vertical support 208, a third fixed frame 512 fixed on the horizontal moving frame 206 or the vertical support 208, a rotating arm 507 rotatably mounted on the second fixed frame 506, and a linear motion mechanism rotatably connected to the rotating arm 507 and configured to drive the rotating arm 507 to rotate around the second fixed frame 506 as an axis, wherein the other end of the linear motion mechanism is rotatably connected to the third fixed frame 512, the first camera 401 is disposed at one end of the rotating arm 507 far away from the horizontal moving frame 206, and a lens direction of the first camera 401 is vertically downward, and the linear motion mechanism is controlled by the control box 110; the linear motion mechanism can adopt an oil cylinder, an air cylinder, an electric push rod and the like in the prior art, preferably, the oil cylinder is adopted as the linear motion mechanism and is marked as a bowl oil cylinder 513, a plug hole 514 is formed in one end, far away from the first camera 401, of a rotating arm 507, the piston end of the bowl oil cylinder 513 is rotatably connected into the plug hole 514, the second fixing frame 506 is located in the middle of the rotating arm 507, and the first camera 401 is rapidly transferred from the first position to the second position by adopting a camera driving mechanism of a lever principle, so that the waiting time of loading the tank truck is shortened.

In one embodiment, as shown in fig. 7, the camera driving mechanism includes an end guide rail horizontally fixed on the traverse frame 206 or the vertical frame 208, an end slider slidably connected to the end guide rail, and a linear driving mechanism for driving the end slider to move along the extending direction of the end guide rail, a rotating arm 507 is provided on one side surface of the end slider, the first camera 401 is fixed on one end of the rotating arm 507 far away from the end slider, and the lens direction of the first camera 401 is vertically downward; the cross section of end guide rail is oblate or fillet rectangle, end slider and end guide rail slip adaptation, be provided with the rotor arm 507 on the bottom surface of end slider or on the side, camera 401 sets firmly one end and the vertical downwards of camera 401 of keeping away from end slider in rotor arm 507, linear drive mechanism can adopt the hydro-cylinder, the cylinder, electric putter etc, in this embodiment, the position transform is realized along the radial movement of plumbing 301 to camera 401, camera 401's motion trail and the extending direction syntropy of the frame 206107 that traverses, perpendicular or crisscross.

Further, as shown in fig. 1 to 3, 5 and 7, an oil receiving bowl 508 aligned with the first camera 401 up and down is arranged on the rotating arm 507, a bowl outlet 509 is formed in one side of the bottom of the oil receiving bowl 508, and the bowl outlet 509 is communicated with a recovery container for recovering residual oil adhered to the inner wall and the outer wall of the vertical pipe 301 through an oil receiving pipe; the oil receiving bowl 508 not only has the function of receiving oil, but also prevents oil dropped from the vertical pipe 301 from falling on the first camera 401 to pollute the camera lens and influence the monitoring picture effect; specifically, rotor arm 507 lug weld is in the periphery that connects oil bowl 508, and the welding has the bowl fishplate bar on the outer bottom surface that connects oil bowl 508, and the camera passes through the bolt fastening on the bowl fishplate bar, and the camera adopts the explosion-proof camera among the prior art can.

Further, as shown in fig. 1 to 3 and 5, the cross section of the measuring rod 603 is not a perfect circle, and may be a polygon, a triangle, an ellipse, a rectangle with rounded corners, etc., and the middle of the touch rod 604 is provided with a rod through hole 605 which is in clearance fit with the measuring rod 603, so as to prevent the measuring rod 603 from rotating and touching the vertical pipe 301; the vertical section of the feeler lever 604 is a perfect circle or an ellipse or the lower part is a convex arc, and the oil storage tank 108 is not necessarily horizontally parked due to uneven ground or uneven tire pressure and other reasons, so the tank opening 109 is probably inclined, and the feeler lever 604604 is provided with the arc-shaped lower part to reduce the contact area with the tank opening 109, so that the inclined tank opening 109 can be prevented from touching the feeler lever 604 from the side surface rather than the bottom of the feeler lever 604 as much as possible, and the accuracy of measuring the position of the tank opening 109 is improved.

Further, as shown in fig. 4, the protective shell includes a floating shell 607 with a closed bottom and an open upper end, and a floating cover 609 for blocking the open upper end of the floating shell 607, a second rod through hole 608 is provided in the middle of the floating cover 609 and is in clearance fit with the measuring rod 603, and the diameter of the circumscribed circle of the end blocking piece 610 is larger than the diameter of the second rod through hole 608; when the float is arranged at the bottom of the measuring rod 603, firstly, a floating cover 609 is sleeved on the measuring rod 603, then, a final baffle 610 is arranged at the bottom of the measuring rod 603, and then, a floating shell 607 is connected to the floating shell 607; the floating cover 609 and the floating shell 607 can be made of plastic, wood, bamboo, foam and the like, the floating cover 609 and the floating shell 607 can be in threaded connection, bonding, splicing or hasp connection, and the floating cover 609 is arranged to avoid the pollution inside the protective shell caused by the splashing oil liquid into the protective shell during oil charging and reduce the triggering sensitivity of the floating switch 602; the end blocking piece 610 can be in a block shape, a sheet shape or a short rod shape, or the end blocking piece 610 can be bonded, screwed or welded on the lower part of the measuring rod 603 by directly adopting a bolt.

Further, as shown in fig. 1 to 3, a main supporting seat 201 is provided on the top end surface of the upper rack 101, a rotary driven gear 202 is horizontally assembled on the top of the main supporting seat 201, a rotary motor 203 is provided on one side of the main supporting seat 201, an output shaft of the rotary motor 203 is connected with a rotary main gear 204 engaged with the rotary driven gear 202, and a main supporting table 205 is provided on the top surface of the rotary driven gear 202;

the lateral directional blocks 210 are symmetrically arranged on two sides of the top surface of the main support platform 205, the lateral guide rails 211 which are connected with the lateral directional blocks 210 in a sliding manner are arranged on the bottom surface of the lateral support frame 206, a gap is arranged in the middle of the lateral support frame 206, a plurality of arc-shaped frames 212 are arranged on the lateral support frame 206, the arc-shaped frames 212 are arranged along the extending direction of the lateral support frame 206, two ends of the arc-shaped frames 212 are connected to two sides of the gap, a conduit 229 is arranged on the bottom surface of the middle of the arc-shaped frames 212, a lateral rack 213 is arranged on the bottom surface of the conduit 229, a lateral motor 214 is arranged on the main support platform 205, a lateral gear 215 meshed with the lateral rack 213 is connected to the output shaft of the lateral motor 214, a conveying pipeline of hydraulic oil and other wires are arranged in the conduit 229, and the motion tracks of the hydraulic oil and the other wires are bound to prevent the vertical tubes from being damaged in the moving process;

one end of the traverse frame 206, which is close to the main support table 205, is provided with a connecting seat 207, the connecting seat 207 comprises a vertical surface, a vertical support 208 is fixedly connected to the vertical surface of the connecting seat 207, one surface of the vertical support 208, which is close to the vertical pipe 301, is provided with a vertical rack 220, two sides of the vertical rack 220 are provided with vertical guide rails 218 at intervals, a vertical sliding block 219 and a vertical motor 221 which are in sliding fit with the vertical guide rails 218 are arranged on the sliding frame 209, and an output shaft of the vertical motor 221 is connected with a vertical gear 222 which is meshed with the vertical rack 220; the vertical motor 221, the rotary motor 203 and the horizontal motor 214 are all controlled by the control box 110; the vertical pipe 301 is vertically arranged on the sliding frame 209 through a connecting piece 302 fixedly arranged at the upper part of the vertical pipe 301; the upper part of the measuring rod 603 is arranged on the connecting piece 302, so that the measuring rod 603 and the vertical pipe 301 move synchronously; the vertical motor 221, the rotary motor 203 and the transverse motor 214 are all servo hydraulic motors, the servo hydraulic motors are connected with a pump station, the pump station is connected with the hydraulic motors through pipelines, and the pipelines are provided with electric reversing valves controlled by the control box 110, so that the action control of the hydraulic motors is realized, and the vertical motor 221, the rotary motor 203, the transverse motor 214, the pump station and the electric reversing valves can be selected to be suitable in the market according to actual needs; the automatic loading crane pipe can realize the rotation angle control, the front-back movement and the up-down movement of the vertical pipe 301, thereby replacing the moving mode of manually holding the crane pipe by hand, lightening the labor intensity of workers, realizing the remote control by combining with the control box 110 and the remote control terminal, improving the loading efficiency and shortening the loading time; the automatic loading crane pipe structure of this embodiment is firm, reliable operation under the effect of the impact force of loading liquid.

Further, as shown in fig. 1 to 3, a limiting frame 217 allowing an oil hose 303 to pass through is arranged at the top of the arched frame 212, an end frame 102 is arranged on the sliding frame 209, an upper frame 103 is arranged at the top end of the vertical support 208, a rear frame 104 is arranged at one end, close to the connecting seat 207, of the rear side surface of the vertical support 208, a tail frame 112 and two middle frames 113 arranged downwards are arranged on the horizontal support 206, a lower frame 111 extends out of the main support platform 205, the lower frame 111 is located in the middle of the horizontal support 206, a transition frame 105 for supporting the drag chain 106 is connected between the upper frame 103 and the rear frame 104 and between the two middle frames 113, a transition frame 105 is also vertically arranged at the free end of the upper frame 103, and the end frame 102, the rear frame 104, the tail frame 112 and the lower frame 111 are respectively used for fixing one end of the drag chain 106; the positions of the rear frame 104, the tail frame 112 and the lower frame 111 are stationary relative to the main support table 205, and the end frame 102 moves with the sliding frame 209 without contacting the transition frame 105, thereby preventing motion interference with the transition frame; in the embodiment, two sections of drag chains 106 are used, two tanks of one drag chain 106 are respectively fixed on the end frame 102 and the rear frame 104, two ends of the other drag chain 106 are respectively fixed on the tail frame 112 and the lower frame 111, and the drag chain 106 passing through the drag chain 106 below the transverse moving frame 206, the limiting frame 217 and the vertical support 208 sequentially and communicated with the upper end of the vertical pipe 301 through an oil hose 303 connected with an oil pump; in order to prevent the middle frame 113 located at the middle of the traverse frame 206 from colliding with the lower frame 111, one of the traverse stoppers 224 is disposed above the middle frame 113 located at the middle of the traverse frame 206 near a position slightly offset from the vertical pipe 301.

Further, as shown in fig. 1 to fig. 3, the omnibearing mechanical movement mechanism further includes a limiting assembly, the limiting assembly includes a pair of horizontal explosion-proof travel switches 216 arranged along the length direction of the horizontal moving frame 206, a pair of horizontal blocking pieces 224 protrudingly arranged on one side of the horizontal moving frame 206 and matched with the explosion-proof travel switches, a pair of vertical explosion-proof travel switches 223 arranged at the upper and lower ends of the vertical support 208, a vertical blocking piece 225 arranged on the sliding frame 209 and matched with the explosion-proof travel switches, and a pair of rotary explosion-proof travel switches 228 arranged above the upper support 101, the side of the main support table 205 can be in contact with the swing arm of the rotary explosion-proof travel switch 228, and the limiting assembly is used for preventing overrun and equipment damage caused in the process of controlling the movement of the vertical pipe 301.

Further, as shown in fig. 1 to 3, a brake motor 226 is provided at one side of the main support base 201, and a brake gear 227 engaged with the rotation slave gear 202 is provided at an output shaft of the brake motor 226, and since the weight of the device loaded on the main support base 205 is heavy, when the rotation motor rotates, the main support base 205 may cause a reduction in control accuracy due to inertia, and therefore, the brake gear 227 is additionally provided, so that after the rotation slave gear 202 rotates to a specified angle, the brake gear 227 is controlled to rotate in the same direction as the rotation slave gear 202 to form a movement resistance of the rotation slave gear 202, which is beneficial to accurately controlling the rotation angle of the main support base 205.

Further, the liquid remote quantitative loading system also comprises a tank car identification and positioning system, the tank car identification and positioning system comprises a stop line arranged on the ground below the vertical pipe 301 and an identification camera arranged on one side of the stop line and used for identifying a license plate, and the identification camera is in communication connection with the control box 110; the parking line is convenient for a driver to judge a parking position, but is used for parking errors and different vehicle types, so that the vertical pipe 301 is not always aligned with the tank opening 109 at the moment, and oil can be filled only after the vertical pipe 301 is manually and remotely aligned; the identification camera is used for acquiring a license plate image of the tank car, the liquid remote quantitative loading system further comprises a database for storing tank car information, a vehicle identification mark of the tank car in the database corresponds to information such as the capacity of an oil storage tank 108 of the tank car, the maximum loading capacity and a driver, the control box 110 or the remote control terminal automatically identifies or manually identifies the acquired image and then calls the information of the tank car, so that the distance from the vertical pipe 301 to the tank opening 109, namely the inlet distance H1, can be adaptively adjusted, and the license plate identification technology is a conventional technology.

Further, a second camera for observing the tank car from other visual angles is arranged on the upper support 101, a panoramic camera is arranged on the periphery of the upper support 101, and the second camera and the panoramic camera are both in communication connection with the control box 110; the number of the second camera can be multiple, the second camera can be arranged at the position, relative to the front upper part or the rear upper part of the tank car, of the upper support 101, so that the full appearance of the tank car can be monitored, and the panoramic camera is additionally arranged on the periphery of the platform through a wire rod and used for monitoring the panoramic view of the platform on site.

Furthermore, the traverse frame 206 and the vertical bracket 208 are provided with a protective shell for protecting the traverse frame 206, the vertical bracket 208 and the connecting seat 207, and the protective shell is arranged on the traverse frame 206, the vertical bracket 208 or the connecting seat 207 through the protective shell bracket.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a long-range ration loading system of liquid which characterized in that: the automatic loading crane comprises an upper bracket, a remote alignment system, an automatic loading crane pipe arranged on the upper bracket, a control box and a metering system;

the automatic loading crane pipe comprises an all-dimensional mechanical motion mechanism and a vertical pipe, the all-dimensional mechanical motion mechanism comprises a main support platform, a transverse motion frame, a vertical support and a sliding frame, the main support platform is rotatably assembled on the top end face of an upper support, the transverse motion frame is in sliding fit with the main support platform, the vertical support is fixedly arranged on the transverse motion frame, the sliding frame is in sliding fit with the vertical support, the vertical pipe is vertically arranged on the sliding frame, the main support platform, the transverse motion frame and the sliding frame are respectively driven to move through corresponding execution units, the execution units are controlled by a control box, and a remote alignment system and a metering system are respectively in communication connection with the control box;

2. The liquid remote quantitative loading system according to claim 1, wherein: the camera driving mechanism comprises a second fixing frame fixedly arranged on the transverse moving frame or the vertical support, a third fixing frame fixedly arranged on the transverse moving frame or the vertical support, and a linear motion mechanism which is rotatably assembled on the second fixing frame, is connected to the rotating arm in a rotating mode and is used for driving the rotating arm to rotate by taking the second fixing frame as an axis, the other end of the linear motion mechanism is rotatably connected to the third fixing frame, the first camera is arranged at one end, far away from the transverse moving frame, of the rotating arm, and is vertically downward in the direction of a lens of the first camera, and the linear motion mechanism is controlled by the control box.

3. The liquid remote quantitative loading system according to claim 1, wherein: the camera driving mechanism comprises an end guide rail horizontally and fixedly arranged on the transverse moving frame or the vertical support, an end sliding block connected to the end guide rail in a sliding mode and a linear driving mechanism used for driving the end sliding block to move along the extending direction of the end guide rail, a rotating arm is arranged on one side face of the end sliding block, and the first camera is fixedly arranged at one end, far away from the end sliding block, of the rotating arm and vertically downwards in the direction of a lens of the first camera.

4. The liquid remote quantitative loading system according to claim 2 or 3, characterized in that: the rotating arm is provided with an oil receiving bowl which is aligned with the camera I up and down, one side of the bottom of the oil receiving bowl is provided with a bowl outlet, and the bowl outlet is communicated with a recovery container which is used for recovering residual oil adhered to the inner wall and the outer wall of the vertical pipe through an oil receiving pipe.

5. The liquid remote quantitative loading system according to claim 1, wherein: the cross section of the measuring rod is not in a perfect circle shape, and a rod through hole I in clearance fit with the measuring rod is formed in the middle of the feeler lever; the vertical section of the feeler lever is in a regular circle or an ellipse or the lower part of the feeler lever is in a convex arc shape.

6. The liquid remote quantitative loading system according to claim 1, wherein: the protective shell comprises a floating shell with a closed bottom and an open upper end and a floating cover with an open upper end and a closed upper end, the middle of the floating cover is provided with two rod through holes in clearance fit with the measuring rod, and the diameter of the circumscribed circle of the end separation blade is larger than that of the two rod through holes.

7. The liquid remote quantitative loading system according to claim 1, wherein: a main supporting seat is arranged on the top end face of the upper bracket, a rotary driven gear is horizontally assembled at the top of the main supporting seat, a rotary motor is arranged on one side of the main supporting seat, an output shaft of the rotary motor is connected with a rotary main gear meshed with the rotary driven gear, and the main supporting platform is arranged on the top face of the rotary driven gear;

8. The remote quantitative liquid loading system according to claim 7, wherein: the top of bow-shaped frame is provided with the spacing that allows the oil hose to pass through, be provided with the end frame on the carriage, the top of erecting the support is provided with the roof-rack, the one end that the trailing flank of erecting the support is close to the connecting seat is provided with the after-poppet, be provided with tailstock and two well framves that set up down on the traverse frame, it has the undercarriage to stretch out on the main tributary brace table, the undercarriage is located the middle part of traverse frame, be connected with the transition frame that is used for the bearing tow chain between roof-rack and the after-poppet, between two well framves, end frame, after-poppet, tailstock and undercarriage are used for the one end of fixed tow chain respectively.

9. The liquid remote quantitative loading system according to claim 1, wherein: the tank car identification and positioning system comprises a stop line arranged on the ground below the vertical pipe and an identification camera arranged on one side of the stop line and used for identifying license plates, and the identification camera is in communication connection with the control box.

10. The liquid remote quantitative loading system according to claim 1, wherein: the upper bracket is also provided with a second camera for observing the tank car from other visual angles, the periphery of the upper bracket is provided with a panoramic camera, and the second camera and the panoramic camera are both in communication connection with the control box.