CN116900008A

CN116900008A - Inverted oil tank cleaning device

Info

Publication number: CN116900008A
Application number: CN202310843057.7A
Authority: CN
Inventors: 周锋
Original assignee: Jiangsu Yaokun Hydraulic Co ltd
Current assignee: Jiangsu Yaokun Hydraulic Co ltd
Priority date: 2023-07-10
Filing date: 2023-07-10
Publication date: 2023-10-20

Abstract

The invention discloses an inverted oil tank cleaning device, which comprises: a cleaning frame; the movable picking and placing assembly comprises a movable assembly, an adjusting assembly and a picking and placing assembly, wherein the adjusting assembly comprises a plurality of telescopic units, two ends of each telescopic unit are respectively and rotatably connected with the movable assembly and the driving assembly, and the telescopic units are mutually matched and operated to drive the oil tank to move circumferentially and simultaneously adjust the space pose of the oil tank; the cleaning assembly comprises a lifting unit, a cleaning pipe, a rotating unit and two side cleaning units. According to the inverted oil tank cleaning device, the plurality of telescopic units act on the taking and placing assembly, so that the oil tank can continuously adjust the pose in the rotating process, meanwhile, the lifting unit drives the side spray head to enter the oil tank, and the rotating unit drives the side spray head to rotate in the direction opposite to the rotating direction of the oil tank, so that the scouring force is enhanced, the cleaning efficiency is improved, adhered foreign matters are easy to scour, and the cleaning effect is improved.

Description

Inverted oil tank cleaning device

Technical Field

The invention relates to the technical field of oil tank cleaning, in particular to an inverted oil tank cleaning device.

Background

In the production process of the oil tank, because foreign matters such as scrap iron, welding slag and rust exist in the oil tank in the working procedures such as cutting, welding, polishing and the like, the foreign matters enter an oil way to influence the normal operation of an oil way system in order to avoid the use, and the oil tank also needs to clean the foreign matters before leaving a factory.

In order to reduce the burden of workers and improve the cleaning efficiency, chinese patent publication No. CN114515736A discloses an oil tank cleaning device which comprises a loading area, a cleaning area, an oil control area, a residual liquid cleaning area, a blow-drying area and a discharging area. The device not only can collect the slope that produces when wasing and be inclined at, still avoid polluting the environment because of remaining too much washing liquid evaporation, shortened accuse oil time simultaneously, raise the efficiency, the energy saving.

However, the device has a complex structure, a large cleaning space and different operations need to be carried out in the charging area, the cleaning area, the oil control area, the residual liquid removing area, the blow-drying area and the discharging area in sequence during cleaning, so that the cleaning process is complex, and the cleaning efficiency is greatly reduced; moreover, in the cleaning process, the cleaning telescopic rod is used for moving up and down, the spray head is rotated, although the cleaning area is enlarged, the adhesion force of the foreign matters in the oil tank is large, when the kerosene is used for cleaning, the flow rate of the kerosene is limited, the scouring force of the foreign matters is lower, the foreign matters attached to the inner wall of the oil tank are difficult to scour cleanly, the cleaning effect is required to be improved, particularly, the intersecting position of two adjacent inner side walls and the intersecting corner position of three adjacent inner side walls in the oil tank are difficult to scour to the corner position in the cleaning process, even if part of the kerosene can flow to the corner position, the scouring force is limited, the thorough cleaning of the foreign matters at the corner position is difficult to be realized, and the cleaning effect on the oil tank is reduced.

Therefore, there is a need for an improved tank cleaning apparatus in the prior art.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provide an inverted oil tank cleaning device which improves the cleaning effect, improves the cleaning efficiency and reduces the cleaning occupied space.

In order to achieve the technical effects, the technical scheme of the invention is as follows: an inverted fuel tank cleaning device comprising:

a cleaning frame;

the movable picking and placing assembly comprises a movable assembly, an adjusting assembly and a picking and placing assembly which are sequentially connected, the movable assembly is arranged on the cleaning frame and drives the adjusting assembly to move between a cleaning position and a picking and placing position, the picking and placing assembly is used for grabbing a downward oil tank, the adjusting assembly comprises a plurality of telescopic units, two ends of each telescopic unit are respectively connected with the movable assembly and the driving assembly in a rotating mode, and the telescopic units are mutually matched and operated to drive the oil tank to move circumferentially and simultaneously adjust the space pose of the oil tank;

the cleaning assembly is arranged right below the cleaning position and comprises a lifting unit, a cleaning pipe, a rotating unit and two side cleaning units, the cleaning pipe extends along the vertical direction and is used for being communicated with a kerosene conveying device, the lifting unit and the rotating unit are respectively used for driving the cleaning pipe to move up and down and rotate around the axis of the cleaning pipe in the opposite direction to the circumferential movement direction of the oil tank, the two side cleaning units respectively comprise side spray heads communicated with the cleaning pipe, one side spray head of one cleaning unit is inclined upwards, and the other side spray head of the other cleaning unit is inclined downwards.

Preferably, in order to facilitate the adjustment of the position and the pose of the oil tank, the telescopic unit is connected with the moving assembly and the telescopic unit is connected with the picking and placing assembly through universal joints.

Preferably, in order to facilitate rapid taking and placing of the oil tank, the taking and placing component comprises a taking and placing plate, and the taking and placing plate is an electromagnet.

Preferably, in order to facilitate scouring of foreign matters at the corner position inside the oil tank, cleaning force is ensured, the cleaning position comprises a corner cleaning position and an inner wall cleaning position, and the cleaning assembly comprises a corner cleaning assembly corresponding to the corner cleaning position and an inner wall cleaning assembly corresponding to the inner wall cleaning position; in the corner cleaning assembly, two the side cleaning units all include a side shower nozzle, the both ends of side shower nozzle are feed liquor end and play liquid end respectively, the feed liquor end with wash the pipe intercommunication, go out the size of liquid end and be less than the size of feed liquor end, the feed liquor end to go out the gradual transition setting of liquid end, go out the internal diameter of liquid end and be less than wash the internal diameter of pipe.

Preferably, in order to ensure a cleaning range, in the inner wall cleaning assembly, both the side cleaning units include a plurality of side spray heads which are communicated with the cleaning pipe and distributed along the cleaning pipe axis.

Preferably, in order to further expand the cleaning range, the side nozzle is communicated with the cleaning pipe through a telescopic pipe, the side nozzle is connected with the cleaning pipe through an elastic piece, and the telescopic direction of the telescopic pipe and the deformation direction of the elastic piece are both along a horizontal direction perpendicular to the cleaning pipe.

Preferably, in order to facilitate the flexible adjustment of the telescopic length of the telescopic tube according to the rotation speed of the cleaning tube so as to change the cleaning position, the telescopic tube comprises an inner tube and an outer tube, the inner tube and the outer tube are coaxially arranged on the inner side of the corrugated inner tube and fixedly communicated with the cleaning tube, the other is communicated with the side spray head, the inner tube is in sealing connection with the outer tube, the elastic element is a tension spring sleeved outside the inner tube and the outer tube, and two ends of the tension spring are respectively connected with the inner tube and the outer tube.

Preferably, in order to avoid the tension spring from being corroded by damp, a corrugated hose is sleeved outside the tension spring, two ends of the corrugated hose are respectively connected with the inner tube and the outer tube, the corrugated hose and the inner tube and the outer tube enclose to form a protection cavity, and the tension spring is arranged in the protection cavity.

Preferably, in order to realize the cleaning of the inner bottom wall of the oil tank, the inner wall cleaning assembly further comprises a top cleaning unit for cleaning the inner bottom wall of the oil tank, the top cleaning unit comprises a top nozzle communicated with the top of the cleaning pipe, the top nozzle comprises an inner nozzle and an outer nozzle, the inner nozzle and the cleaning pipe are coaxial and are upwards arranged, the outer nozzle is distributed along the circumferential direction of the cleaning pipe, and the outer nozzle is inclined upwards and towards the outer side of the cleaning pipe.

Preferably, in order to accept the kerosene that flows downwards in the cleaning process, guarantee the clean cleanness of cleaning environment, be provided with ascending accepting groove on the wash rack, the horizontal plane projection of the oil tank that the subassembly was snatched of getting of activity to the cleaning position is located accepting inslot horizontal plane projection, accepting groove is connected with the fluid-discharge tube, the fluid-discharge tube is used for connecting the drain.

In summary, according to the inverted oil tank cleaning device disclosed by the invention, the plurality of telescopic units act on the taking-placing assembly, so that the oil tank can continuously adjust the pose in the rotating process, meanwhile, the lifting unit drives the side spray head to enter the oil tank, and the rotating unit drives the side spray head to rotate in the direction opposite to the rotating direction of the oil tank, so that the scouring force is enhanced, the cleaning efficiency is improved, and adhered foreign matters are easy to scour, so that the cleaning effect is improved.

Drawings

FIG. 1 is a schematic view of a fuel tank;

fig. 2 is a schematic structural view of the first embodiment;

FIG. 3 is a front view of FIG. 2;

FIG. 4 is a side view of FIG. 2;

FIG. 5 is an exploded view of FIG. 2;

FIG. 6 is a schematic view of the structure of the mobile pick-and-place assembly of the first embodiment;

FIG. 7 is an exploded view of FIG. 6;

fig. 8 is an enlarged view of a portion a of fig. 7;

FIG. 9 is a schematic view of the structure of the cleaning assembly of the first embodiment;

FIG. 10 is a schematic view of a portion of the structure of FIG. 9;

FIG. 11 is an exploded view of FIG. 9;

fig. 12 is a schematic structural view of the second embodiment;

FIG. 13 is a front view of FIG. 12;

FIG. 14 is a schematic view of a second embodiment corner cleaning assembly;

FIG. 15 is a schematic view of the construction of a third embodiment wall cleaning assembly;

FIG. 16 is an exploded view of FIG. 15;

FIG. 17 is a schematic view of the connection of the side nozzle to the telescoping tube;

FIG. 18 is an exploded view of FIG. 17;

FIG. 19 is a top view of FIG. 17;

FIG. 20 is a cross-sectional view taken along the direction A-A of FIG. 19;

fig. 21 is a schematic structural view of a fourth embodiment;

in the figure: 100. a cleaning frame; 101. a track; 102. a fixing plate; 200. a moving assembly; 201. a moving plate; 202. a moving block; 203. moving the roller; 300. an adjustment assembly; 301. a telescoping unit; 302. a universal joint; 3021. a rolling ball; 3022. a connecting plate; 3023. a housing; 400. a pick-and-place assembly; 500. a lifting unit; 501. a guide rod; 502. guide sleeve; 503. a lifting seat; 600. cleaning the tube; 601. a positioning ring; 602. an inlet; 700. a rotating unit; 701. a rotating electric machine; 702. a driving wheel; 703. driven wheel; 704. a synchronous belt; 800. a side cleaning unit; 801. a side nozzle; 900. an inner tube; 901. a first flanging; 902. a second flanging; 110. an outer tube; 111. a third flanging; 112. fourth flanging; 120. a tension spring; 130. a corrugated hose; 140. a protection cavity; 150. a top nozzle; 151. an inner nozzle; 152. an outer spray head; 160. a receiving groove; 170. an oil tank; 171. a filter element mounting port; 180. a liquid inlet pipe; 190. and a connecting seat.

Detailed Description

The following describes the embodiments of the present invention further with reference to the drawings and examples. The following examples are only for more clearly illustrating the technical aspects of the present invention, and are not intended to limit the scope of the present invention.

First embodiment

As shown in fig. 1 to 11, an inverted type oil tank cleaning apparatus according to a first embodiment of the present invention includes:

a washing rack 100;

the movable picking and placing assembly comprises a movable assembly 200, an adjusting assembly 300 and a picking and placing assembly 400 which are sequentially connected, wherein the movable assembly 200 is arranged on the cleaning frame 100 and drives the adjusting assembly 300 to move between a cleaning position and a picking and placing position, the picking and placing assembly 400 is used for grabbing the downward oil tank 170, the adjusting assembly 300 comprises a plurality of telescopic units 301, two ends of the telescopic units 301 are respectively and rotatably connected with the movable assembly 200 and the driving assembly, and the telescopic units 301 are mutually matched and operated to drive the oil tank 170 to move circumferentially and simultaneously adjust the space pose of the oil tank 170;

the cleaning assembly is arranged right below the cleaning position and comprises a lifting unit 500, a cleaning pipe 600, a rotating unit 700 and two side cleaning units 800, wherein the cleaning pipe 600 extends along the vertical direction, the cleaning pipe 600 is used for being communicated with a kerosene conveying device, the lifting unit 500 and the rotating unit 700 are respectively used for driving the cleaning pipe 600 to move up and down and rotate around the axis of the cleaning pipe 600 in the opposite direction to the circumferential movement direction of the oil tank 170, the two side cleaning units 800 respectively comprise side spray heads 801 communicated with the cleaning pipe 600, one side spray head 801 of one cleaning unit is inclined upwards, and the side spray head 801 of the other cleaning unit is inclined downwards.

The specific structure of the oil tank 170 in the prior art is shown in fig. 1, the oil tank 170 is in a cuboid shape as a whole, a filter element mounting opening 171 is arranged on one side wall, and the filter element mounting opening 171 is communicated with the inner cavity of the oil tank 170 and is used for mounting various filter elements.

The invention is mainly used for cleaning the oil tank 170 with the structure, and in the concrete operation, the oil tank 170 is inverted below the corresponding taking and placing position on the cleaning frame 100, so that the filter element mounting port 171 of the oil tank 170 is kept in a downward state; then the moving assembly 200 drives the adjusting assembly 300 to move to the picking and placing position, the oil tank 170 is grabbed by the picking and placing assembly 400, the moving assembly 200 drives the adjusting assembly 300 to move to the cleaning position, the filter element mounting opening 171 of the oil tank 170 is located under the cleaning tube 600 in the cleaning assembly, the lifting unit 500 is driven to move, the cleaning tube 600 is driven to move upwards, the side spray nozzles 801 on the cleaning tube 600 enter the inner cavity of the oil tank 170 through the filter element mounting opening 171, and then the kerosene conveying device conveys kerosene to the cleaning tube 600, so that the side spray nozzles 801 spray the kerosene, and the circumferential inner wall of the oil tank 170 is cleaned.

In the process of conveying kerosene for cleaning, the rotating unit 700 is started to drive the cleaning pipe 600 and the side spray nozzle 801 to rotate by taking the axial lead of the cleaning pipe 600 as a central line, so that the cleaning range is enlarged; meanwhile, in the adjusting assembly 300, the plurality of telescopic units 301 are matched to operate, the length of the plurality of telescopic units 301 is changed, so that the oil tank 170 revolves, the revolution axis of the oil tank 170 is closely adjacent to the axis of the cleaning pipe 600, a certain gap is always kept between the circumferential outer side wall of the cleaning pipe 600 and the circumferential inner wall of the filter element mounting opening 171, the revolution direction of the oil tank 170 is opposite to the rotation direction of the cleaning pipe 600 and the side spray nozzle 801, the oil tank 170 drives the foreign matters to move in the same direction in the rotation process, and kerosene sprayed out of the side spray nozzle 801 washes and acts on the foreign matters in opposite directions, so that the washing acting force is enhanced, and the foreign matters are easily washed to improve the cleaning effect; moreover, in the adjusting assembly 300, each telescopic unit 301 is mutually matched, and in the process of driving the oil tank 170 to rotate, the space pose of the oil tank 170 is continuously adjusted, so that the inclination direction of the axis line of the filter element mounting port 171 is changed, and the inclination direction of the inner wall of the oil tank 170 where the foreign matters are located is changed, so that the foreign matters washed by kerosene can be discharged out of the oil tank 170 along with the downward flowing kerosene along with the inner wall of the oil tank 170 where the foreign matters are located, and the cleaning effect of the oil tank 170 is further improved.

After the cleaning is completed, the lifting unit 500 drives the cleaning tube 600 to descend, so that after the cleaning tube 600 and the side spray nozzle 801 are separated from the oil tank 170, the moving assembly 200 drives the adjusting assembly 300 to move to the picking and placing position, and the picking and placing assembly 400 releases the cleaned oil tank 170, so that the whole cleaning process of the oil tank 170 can be completed.

In this embodiment, the device is in the process of cleaning the oil tank 170, only needs to control the adjusting component 300 to reciprocate between the taking and placing position and the cleaning position, in the taking and placing position, the oil tank 170 to be cleaned is grabbed or the cleaned oil tank 170 is released, in the cleaning position, the oil tank 170 is driven to revolve and adjust the pose of the oil tank 170, meanwhile, the cleaning pipe 600 is driven to drive the side nozzle 801 to extend into the oil tank 170, the cleaning force is enhanced by driving the side nozzle 801 to rotate in the opposite direction of the revolution direction of the oil tank 170, the cleaning range is enlarged, and therefore the cleaning effect is improved.

As shown in fig. 2-4, the specific structure of the cleaning frame 100 is that two tracks 101 are fixedly arranged at the top of the cleaning frame 100, the two tracks 101 extend along the horizontal direction, the extending direction is consistent with the moving direction of the moving assembly 200 driving adjusting assembly 300, the tracks 101 comprise two sectional materials, the cross sections of the two sectional materials are two L-shaped which are arranged oppositely, the top ends of the vertical parts of the L-shaped cross sections are fixed at the top of the cleaning frame 100, and the horizontal parts are used for supporting and connecting the moving assembly 200; the cleaning frame 100 is provided with a horizontal fixing plate 102, and the fixing plate 102 is located below the rail 101 and is used for connecting a cleaning assembly.

The moving assembly 200 comprises a moving plate 201 horizontally arranged right below the track 101, the moving plate 201 is a square plate, the bottom surface of the moving plate 201 is connected with the adjusting assembly 300, four moving units are respectively arranged above four corners of the moving plate 201 and are divided into two groups and respectively connected with two tracks 101, specifically, the moving units comprise moving blocks 202 which are fixed above the moving plate 201 and are positioned between two profiles, moving rollers 203 are rotatably arranged on two sides of the moving blocks 202, the moving rollers 203 are rotatably arranged above horizontal parts of the profiles, power devices for driving the moving rollers 203 to rotate are arranged in the moving blocks 202, the power devices are usually power motors (not shown in the drawing), and the power devices drive the moving rollers 203 to rotate above the horizontal parts of the profiles through the power motors, so that the moving of the moving blocks 202 on the tracks 101 is realized, and the adjusting assembly 300 is controlled to reciprocate between a cleaning position and a picking and placing position.

As shown in fig. 9, the lifting unit 500 includes a lifting cylinder vertically arranged upwards, a cylinder barrel of the lifting cylinder is fixed at the bottom of the cleaning rack 100, a lifting seat 503 is fixedly connected to the top of the lifting cylinder, the cleaning pipe 600 is arranged above the lifting seat 503, a guide rod 501 extending along the vertical direction is fixedly connected to the lower side of the lifting seat 503, and a guide sleeve 502 slidably matched with the guide rod 501 is integrally formed on the fixing plate 102. After the structure is adopted, the lifting oil cylinder in the lifting unit 500 acts to drive the piston rod of the lifting oil cylinder to stretch and move, so that the cleaning pipe 600 and the side spray nozzle 801 are driven to lift and move through the lifting seat 503, and the stable lifting and moving of the cleaning pipe 600 and the side spray nozzle 801 are ensured through the guide rod 501 and the guide sleeve 502 which are in sliding fit.

As shown in fig. 9-11, the rotating unit 700 includes a rotating motor 701, a casing of the rotating motor 701 is fixed below the lifting seat 503, a rotating shaft is sealed to penetrate through the lifting seat 503, and is fixedly connected with a driving wheel 702 on a coaxial line, the driving wheel 702 is connected with a driven wheel 703 through a synchronous belt 704 in a transmission manner, the driven wheel 703 is sleeved outside the cleaning tube 600 on a coaxial line, two positioning rings 601 are fixed on the cleaning tube 600, and the driven wheel 703 is clamped between the two positioning rings 601. After the structure is adopted, the rotating motor 701 is started to drive the driving wheel 702 to rotate, the driving wheel 702 acts on the driven wheel 703 through the synchronous belt 704, so that the driven wheel 703 rotates under the limiting action of the two positioning rings 601, and the cleaning pipe 600 is driven to rotate around the axis of the cleaning pipe.

An inlet 602 communicated with a self-body lumen is formed in the bottom end of the cleaning tube 600, a connecting seat 190 fixedly connected with a lifting seat 503 is arranged below the cleaning tube 600, a liquid inlet tube 180 is fixedly connected to the connecting seat 190, one end, far away from the connecting seat 190, of the liquid inlet tube 180 is used for inputting kerosene, the kerosene is used for cleaning the inner wall of the oil tank 170, and foreign matters attached to the oil tank 170 are washed, so that normal and stable operation of an oil path system where the oil tank 170 is located is ensured; the side wall of the connecting seat 190 is provided with a butt joint pipe, the bottom end of the cleaning pipe 600 is hermetically rotated on the inner side of the connecting seat 190, the bottom end of the cleaning pipe 600 and the connecting seat 190 are enclosed to form an annular communication cavity, so that in the kerosene conveying process, the kerosene enters the inner cavity of the cleaning pipe 600 through the liquid inlet pipe 180, the butt joint pipe, the communication cavity and the inlet 602 in sequence, then flows upwards, and is sprayed out from the side spray nozzle 801.

Further improved is that the pick-and-place assembly 400 includes a pick-and-place plate that is an electromagnet.

In this embodiment, the taking and placing plate is a square taking and placing plate and is an electromagnet, and by electrifying the electromagnet, the taking and placing plate generates magnetism for attracting the oil tank 170, so that the grabbing work of the oil tank 170 is completed, and the firm connection between the taking and placing plate and the oil tank 170 is ensured; the electromagnet is de-energized so that the oil tank 170 can be released after the pick-and-place plate loses magnetism.

A further improvement is that the telescopic unit 301 and the moving assembly 200 and the telescopic unit 301 and the picking and placing assembly 400 are connected through universal joints 302.

Specifically, as shown in fig. 5-7, in this embodiment, the adjusting assembly 300 includes four telescopic units 301, two ends of the four telescopic units 301 are respectively corresponding to four corners of the moving plate 201 and four corners of the picking and placing plate one by one, and two ends of the telescopic units 301 are respectively connected with the moving plate 201 and the picking and placing plate through two universal joints 302; the telescopic units 301 are preferably mechanical structures with the overall length being freely adjustable, such as cylinders, oil cylinders and electric push rods, by changing the length of each telescopic unit 301, not only the position of the taking and placing plate but also the angle of the taking and placing plate can be changed, so that the oil tank 170 adsorbed by the taking and placing plate can be driven to rotate in the opposite direction to the rotation direction of the cleaning pipe 600, and in the rotating process, the pose of the oil tank 170 is changed, so that the oil tank 170 is in different inclined states, further, kerosene sprayed from the side spray nozzles 801 can act inside the oil tank 170 in different positions, and the movement direction of the kerosene sprayed flow is opposite to the movement direction of the oil tank 170 and the foreign matters, therefore, not only the cleaning range is enlarged, but also the cleaning force is increased, and after the foreign matters adhered to the inner wall of the oil tank 170 are easily washed by the kerosene, the foreign matters are discharged out of the oil tank 170 along with the movement of the kerosene, so that the cleaning effect of the oil tank 170 is improved.

The universal joint 302 includes a ball 3021, a connecting plate 3022 and a housing 3023, wherein the ball 3021 is integrally connected with a rotating rod, the rotating rod is connected with the telescopic unit 301, the connecting plate 3022 located above is fixed below the moving plate 201, the connecting plate 3022 located above is fixed above the taking and placing plate, the housing 3023 and the connecting plate 3022 enclose a rolling cavity which is matched with the ball 3021 and faces the telescopic unit 301, the ball 3021 can roll in the rolling cavity, and further the telescopic unit 301 can conveniently rotate during telescopic adjustment, so that the position adjustment and the angle adjustment of the taking and placing plate and the oil tank 170 below are achieved through controlling the length and the rotation angle of the telescopic unit 301, the oil tank 170 can continuously adjust the pose of the oil tank 170 while performing revolution, the direction of the filter element mounting port 171 is changed, and the cleaning effect of the oil tank 170 is enhanced.

In this embodiment, the cleaning position of the moving path of the adjusting assembly 300 is an inner wall cleaning position, and the cleaning assembly is an inner wall cleaning assembly, which is mainly used for cleaning the inner wall of the oil tank 170, wherein the two side cleaning units 800 each include a plurality of side nozzles 801 that are communicated with the cleaning tube 600 and axially distributed along the cleaning tube 600.

Through adopting above-mentioned structural design, increased the quantity of side shower nozzle 801 to after having enlarged kerosene and flowing out from side shower nozzle 801, with the inside area of contact of oil tank 170, and then enlarged the cleaning range, realized the quick washing to oil tank 170, improved cleaning efficiency.

Further improved is that the inner wall cleaning assembly further comprises a top cleaning unit for cleaning the inner bottom wall of the oil tank 170, the top cleaning unit comprises a top nozzle 150 communicated with the top of the cleaning pipe 600, the top nozzle 150 comprises an inner nozzle 151 and an outer nozzle 152, the inner nozzle 151 is coaxial with the cleaning pipe 600 and is arranged upwards, the outer nozzle 152 is distributed along the circumferential direction of the cleaning pipe 600, and the outer nozzle 152 is inclined upwards and faces the outer side of the cleaning pipe 600.

In this embodiment, six outer spray nozzles 152 are arranged, the annular array is distributed on the outer side of the inner spray nozzle 151, the spray nozzles of the outer spray nozzles 152 are obliquely arranged upwards, after the kerosene is introduced into the cleaning pipe 600, the oil flowing to the top of the cleaning pipe 600 is divided into two strands, one strand of kerosene flows upwards along the vertical direction after being sprayed out from the inner spray nozzle 151, and acts on the position on the inner bottom wall of the oil tank 170, which is opposite to the inner spray nozzle 151; the other strand of kerosene is sprayed out through the six outer sprayers 152, and because the inclined direction of the outer sprayers 152 is fixed, the contact position between the kerosene sprayed out through the six outer sprayers 152 and the inner bottom wall of the oil tank 170 is changed along with the rotation speed of the cleaning pipe 600, that is, the rotation speed of the cleaning pipe 600 is controlled by continuously adjusting the rotation unit 700, so that the speed of the kerosene sprayed out from the outer sprayers 152 and the scouring contact position between the kerosene and the inner bottom wall of the oil tank 170 can be changed, the contact range is further enlarged, and the overall cleaning of the inner bottom wall of the oil tank 170 is realized, and the cleaning efficiency is improved.

Second embodiment

As shown in fig. 12 to 14, the inverted type oil tank cleaning apparatus of the second embodiment of the present invention is based on the first embodiment, except that the cleaning position includes a corner cleaning position and an inner wall cleaning position, and the cleaning assembly includes a corner cleaning assembly corresponding to the corner cleaning position and an inner wall cleaning assembly corresponding to the inner wall cleaning position; in the corner cleaning assembly, two side cleaning units 800 respectively comprise a side nozzle 801, two ends of the side nozzle 801 are respectively a liquid inlet end and a liquid outlet end, the liquid inlet end is communicated with the cleaning pipe 600, the size of the liquid outlet end is smaller than that of the liquid inlet end, the liquid inlet end is gradually transitionally arranged towards the liquid outlet end, and the inner diameter of the liquid outlet end is smaller than that of the cleaning pipe 600.

In this embodiment, the cleaning assembly includes a corner cleaning assembly and an inner wall cleaning assembly, which respectively correspond to the corner cleaning position and the inner wall cleaning position of the adjusting assembly 300, when the oil tank 170 is cleaned, the removing assembly 200 drives the adjusting assembly 300 to move to the corner cleaning position after the inverted oil tank 170 is grabbed by the taking and placing assembly 400, then the cleaning pipe 600 in the corner cleaning assembly moves upward, so that the side spray nozzles 801 on two sides of the cleaning pipe 600 enter the inner cavity of the oil tank 170, the adjusting assembly 300 drives the oil tank 170 to revolve and adjust the inclination angle of the oil tank 170, meanwhile, kerosene is conveyed into the cleaning pipe 600, and sprayed from the two side spray nozzles 801, two kerosene is sprayed to four edges above the inner wall of the oil tank 170 and four edges below the inner wall of the oil tank 170 respectively, so as to wash out foreign matters at the intersecting corner positions of the edges and edges, to clean the corner position of the inner wall of the oil tank, the liquid outlet end size of the side spray nozzles 801 is smaller than the liquid inlet end size, the kerosene sprayed from the side spray nozzles 801 is guaranteed to have sufficient flow velocity, so as to increase the scouring force of the kerosene, and powerful cleaning of the corners of the oil tank 170 is achieved.

After the corner position of the oil tank 170 is cleaned, the moving assembly 200 drives the adjusting assembly 300 to move to the inner wall cleaning position, so that the side nozzle 801 and the top nozzle 150 in the inner wall cleaning assembly clean the inner wall of the oil tank 170. After the cleaning of the inner wall is completed, the adjusting assembly 300 is moved to the picking and placing position, and the cleaned oil tank 170 is released.

Therefore, after the structure is adopted, the high-speed sprayed kerosene can be firstly utilized to realize powerful cleaning of the inner corner position of the oil tank 170, the phenomenon that the inner corner position of the oil tank 170 is not cleaned is avoided, and then the flushing range of the kerosene is enlarged through the plurality of side spray heads 801 and the top spray heads 150, so that the cleaning effect is improved, and the oil tank 170 is thoroughly cleaned.

Third embodiment

As shown in fig. 15 to 20, the inverted type oil tank cleaning apparatus of the third embodiment of the present invention is based on the second embodiment, and is different in that the side spray head 801 is communicated with the cleaning pipe 600 through a bellows, the side spray head 801 is connected with the cleaning pipe 600 through an elastic member, and both the telescopic direction of the bellows and the deformation direction of the elastic member are along the horizontal direction perpendicular to the cleaning pipe 600.

Specifically, the telescopic tube comprises an inner tube 900 and an outer tube 110, wherein the inner tube 900 and the outer tube 110 are connected by a coaxial line, one of the inner tube 900 and the outer tube 110 is fixedly communicated with the cleaning tube 600, the other is fixedly communicated with the side spray nozzle 801, the inner tube 900 is in sealing connection with the outer tube 110, the elastic element is a tension spring 120 sleeved outside the inner tube 900 and the outer tube 110, and two ends of the tension spring 120 are respectively connected with the inner tube 900 and the outer tube 110.

The external diameter of inner tube 900 is less than the external diameter of outer tube 110, the both ends circumference outward flange of inner tube 900 is connected with first turn-ups 901 and second turn-ups 902 respectively an organic whole, first turn-ups 901 are fixed in on the lateral wall of cleaning tube 600, the both ends of outer tube 110 are provided with third turn-ups 111 and fourth turn-ups 112 respectively, third turn-ups 111 are the inward turn-ups, fourth turn-ups 112 are the outward turn-ups, the circumference inner wall and the circumference outward flange sealing connection of inner tube 900 of third turn-ups 111, the circumference outer fringe of second turn-ups 902 and the circumference inner wall sealing connection of outer tube 110, the both ends of extension spring 120 are connected with first turn-ups 901 and fourth turn-ups 112 respectively, the side shower nozzle 801 is fixed in on the fourth turn-ups 112 and communicates with outer tube 110.

After the structure is adopted, the tension spring 120 generates a trend that the outer tube 110 moves towards the inner tube 900, the rotating unit 700 drives the cleaning tube 600 to rotate, and then the inner tube 900, the outer tube 110 and the side spray nozzles 801 rotate at the same angular velocity, so that the outer tube 110 and the side spray nozzles 801 are influenced by centrifugal force and move away from the inner tube 900, the tension spring 120 is stretched until the tension of the tension spring 120 is counteracted by the centrifugal force, the radial position of the side spray nozzles 801 is changed, and the distance between the side spray nozzles 801 and the inner wall of the oil tank 170 is changed due to the inclined arrangement of the side spray nozzles 801, and kerosene flows out from the cleaning tube 600, sequentially passes through the tube cavities of the inner tube 900 and the outer tube 110, is sprayed out from the side spray nozzles 801, and is sprayed on the inner wall of the oil tank 170 in an inclined direction; in the case where the spray rate is kept unchanged, since the distance between the side spray head 801 and the inner wall of the oil tank 170 is changed, the position where kerosene acts on the inner wall of the oil tank 170 is changed. Therefore, by changing the rotation speed of the cleaning pipe 600 through the rotation unit 700, the position where the kerosene acts on the inner wall of the oil tank 170 can be changed, i.e., the cleaning position, without changing the flow rate of the kerosene, thereby further expanding the cleaning range and improving the cleaning effect.

Further improved is that the tension spring 120 is sleeved with a corrugated hose 130, two ends of the corrugated hose 130 are respectively connected with the inner tube 900 and the outer tube 110, the corrugated hose 130 and the inner tube 900 and the outer tube 110 are enclosed to form the protection cavity 140, and the tension spring 120 is arranged in the protection cavity 140.

Specifically, the two ends of the corrugated hose 130 are fixedly connected with the first flange 901 and the fourth flange 112 respectively, so that the inner wall of the corrugated hose 130 is enclosed with the first flange 901, the fourth flange 112, the circumferential outer edge of the inner tube 900 and the circumferential outer edge of the outer tube 110 to form the protection cavity 140 surrounding the tension spring 120, the tension spring 120 is isolated from the outside through the protection cavity 140, the tension spring 120 is prevented from contacting kerosene, and the service life of the tension spring 120 is prolonged.

Fourth embodiment

As shown in fig. 21, the inverted type oil tank cleaning device according to the third embodiment of the present invention is based on the third embodiment, and is different in that an upward receiving groove 160 is provided on the cleaning rack 100, a horizontal plane projection of the oil tank grasped by the picking and placing assembly 400 moving to the cleaning position is located in the horizontal plane projection of the receiving groove 160, the receiving groove 160 is connected with a drain pipe, and the drain pipe is used for connecting the drain pipe.

The receiving groove 160 is integrally formed on the fixing plate 102, kerosene sprayed from the side spray nozzle 801 and the top spray nozzle 150 acts on the inner wall of the oil tank 170 in the cleaning process, and after foreign matters attached to the inner wall of the oil tank 170 are washed, the foreign matters carried by the kerosene flow downwards flow out of the filter element mounting port 171 and fall into the receiving groove 160, are discharged through the liquid discharge pipe, so that the cleaned kerosene and foreign matters are prevented from falling on the ground and polluting the surrounding environment.

The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the scope of the invention.

Claims

1. An inverted fuel tank cleaning device, comprising:

a washing rack (100);

the movable picking and placing assembly comprises a movable assembly (200), an adjusting assembly (300) and a picking and placing assembly (400) which are sequentially connected, the movable assembly (200) is arranged on the cleaning frame (100) and drives the adjusting assembly (300) to move between a cleaning position and a picking and placing position, the picking and placing assembly (400) is used for grabbing a downward oil tank, the adjusting assembly (300) comprises a plurality of telescopic units (301), two ends of each telescopic unit (301) are respectively connected with the movable assembly (200) and the driving assembly in a rotating mode, and the telescopic units (301) are mutually matched to operate so as to drive the oil tank to move circumferentially and adjust the space pose of the oil tank;

the cleaning assembly is arranged right below the cleaning position and comprises a lifting unit (500), a cleaning pipe (600), a rotating unit (700) and two side cleaning units (800), the cleaning pipe (600) extends along the vertical direction, the cleaning pipe (600) is used for being communicated with a kerosene conveying device, the lifting unit (500) and the rotating unit (700) are respectively used for driving the cleaning pipe (600) to move up and down and rotate around the axis of the lifting unit to be opposite to the circumferential movement direction of the oil tank, the two side cleaning units (800) respectively comprise side spray heads (801) communicated with the cleaning pipe (600), one side spray head (801) of one cleaning unit is inclined upwards, and the side spray head (801) of the other cleaning unit is inclined downwards.

2. The inverted fuel tank cleaning apparatus of claim 1, wherein: the telescopic unit (301) is connected with the moving assembly (200) and the telescopic unit (301) is connected with the picking and placing assembly (400) through universal joints (302).

3. The inverted fuel tank cleaning apparatus of claim 1, wherein: the picking and placing assembly (400) comprises a picking and placing plate, and the picking and placing plate is an electromagnet.

4. The inverted fuel tank cleaning apparatus of claim 1, wherein: the cleaning positions comprise corner cleaning positions and inner wall cleaning positions, and the cleaning assemblies comprise corner cleaning assemblies corresponding to the corner cleaning positions and inner wall cleaning assemblies corresponding to the inner wall cleaning positions; in the corner cleaning assembly, two side cleaning units (800) comprise side spray heads (801), two ends of each side spray head (801) are respectively a liquid inlet end and a liquid outlet end, the liquid inlet ends are communicated with the cleaning pipe (600), the size of the liquid outlet ends is smaller than that of the liquid inlet ends, the liquid inlet ends are gradually transitionally arranged towards the liquid outlet ends, and the inner diameter of the liquid outlet ends is smaller than that of the cleaning pipe (600).

5. The inverted fuel tank cleaning apparatus of claim 4, wherein: in the inner wall cleaning assembly, both side cleaning units (800) comprise a plurality of side spray heads (801) which are communicated with the cleaning pipe (600) and are axially distributed along the cleaning pipe (600).

6. The inverted fuel tank cleaning apparatus of claim 5, wherein: the side spray head (801) is communicated with the cleaning pipe (600) through a telescopic pipe, the side spray head (801) is connected with the cleaning pipe (600) through an elastic piece, and the telescopic direction of the telescopic pipe and the deformation direction of the elastic piece are both along the horizontal direction perpendicular to the cleaning pipe (600).

7. The inverted fuel tank cleaning apparatus of claim 6, wherein: the telescopic pipe comprises an inner pipe (900) and an outer pipe (110), wherein the inner pipe (900) and the outer pipe (110) are arranged on the inner side of the corrugated inner pipe (900) in a coaxial line, one of the inner pipe and the outer pipe is fixedly communicated with the cleaning pipe (600), the other one of the inner pipe and the outer pipe is communicated with the side spray head (801), the inner pipe (900) is in sealing connection with the outer pipe (110), the elastic piece is sleeved on a tension spring (120) outside the inner pipe (900) and the outer pipe (110), and two ends of the tension spring (120) are respectively connected with the inner pipe (900) and the outer pipe (110).

8. The inverted fuel tank cleaning apparatus of claim 7, wherein: the utility model discloses a protection cavity, including extension spring (120), bellows (130) are equipped with to extension spring (120) overcoat, bellows (130) both ends respectively with inner tube (900) with outer tube (110) are connected, bellows (130) with inner tube (900) with outer tube (110) enclose and close and form protection cavity (140), extension spring (120) set up in protection cavity (140).

9. The inverted fuel tank cleaning apparatus of claim 4, wherein: the inner wall cleaning assembly further comprises a top cleaning unit for cleaning the inner bottom wall of the oil tank, the top cleaning unit comprises a top nozzle (150) communicated with the top of the cleaning pipe (600), the top nozzle (150) comprises an inner nozzle (151) and an outer nozzle (152), the inner nozzle (151) and the cleaning pipe (600) are coaxial and are upwards arranged, the outer nozzles (152) are distributed along the circumference of the cleaning pipe (600), and the outer nozzles (152) are obliquely upwards arranged and face the outer side of the cleaning pipe (600).

10. The inverted fuel tank cleaning apparatus of claim 1, wherein: the cleaning rack (100) is provided with an upward receiving groove (160), the horizontal plane projection of the oil tank grabbed by the taking and placing component (400) moving to the cleaning position is positioned in the horizontal plane projection of the receiving groove (160), the receiving groove (160) is connected with a liquid discharge pipe, and the liquid discharge pipe is used for being connected with a liquid discharge device.