CN117123581A - Greasy dirt cleaner for liquefied petroleum gas storage tank - Google Patents
Greasy dirt cleaner for liquefied petroleum gas storage tank Download PDFInfo
- Publication number
- CN117123581A CN117123581A CN202311166858.0A CN202311166858A CN117123581A CN 117123581 A CN117123581 A CN 117123581A CN 202311166858 A CN202311166858 A CN 202311166858A CN 117123581 A CN117123581 A CN 117123581A
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- China
- Prior art keywords
- main arm
- arms
- arm
- fixedly connected
- rotating shaft
- Prior art date
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- 239000003915 liquefied petroleum gas Substances 0.000 title claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 41
- 238000005202 decontamination Methods 0.000 claims abstract description 20
- 230000003588 decontaminative effect Effects 0.000 claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims description 11
- 230000002441 reversible effect Effects 0.000 claims description 5
- 238000007493 shaping process Methods 0.000 claims description 5
- 239000007789 gas Substances 0.000 abstract description 13
- 238000004140 cleaning Methods 0.000 abstract description 12
- 238000001179 sorption measurement Methods 0.000 abstract description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 238000005201 scrubbing Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000003345 natural gas Substances 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 206010066054 Dysmorphism Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/087—Cleaning containers, e.g. tanks by methods involving the use of tools, e.g. brushes, scrapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
Abstract
The invention relates to the related field of liquefied petroleum gas storage tank cleaning equipment, in particular to an oil stain cleaner of a liquefied petroleum gas storage tank, which comprises four gas springs, a main arm, two middle arms and two outer arms, wherein the head end of the main arm is provided with a coaxial reversing assembly, the coaxial reversing assembly comprises two planetary gear mechanisms and a driving piece, each planetary gear mechanism comprises an inner rotating shaft and an outer rotating cylinder, the tail end of the main arm, the tail end of each middle arm and the tail end of each outer arm are provided with an outer supporting plate and a rotary decontamination assembly, and each rotary decontamination assembly comprises a decontamination plate, a propping piece, a special-shaped wheel and a driving motor. The main arm, the two middle arms and the two outer arms can easily enter the storage tank with the opening arranged on the outer cylinder wall of the tank body when in a closed state, and can enable the adsorption soft cushion on the five dirt removing plates to be attached to the inner wall of the tank body after the tank body rotates to the open state, so that the subsequent cleaning of the inner wall of the tank body is facilitated.
Description
Technical Field
The invention relates to the related field of liquefied petroleum gas storage tank cleaning equipment, in particular to an oil stain cleaner for a liquefied petroleum gas storage tank.
Background
Liquefied petroleum gas is a colorless volatile liquid obtained by pressurizing, cooling and liquefying natural gas or petroleum in a petroleum refinery. It is extremely easy to self-ignite, and when the content of the natural gas in the air reaches a certain concentration range, the natural gas can explode when encountering open fire. The invention patent with publication number CN113245324A in China discloses a tank body greasy dirt cleaning device for a liquefied petroleum gas storage tank, which comprises a main body disc, a main pipeline, functional blocks, a cleaning liquid box, connecting pipes and a direction control mechanism, wherein the functional blocks and the cleaning liquid box are fixedly connected to the upper surface of the main body disc through brackets, the functional blocks are hollow structures with two open ends, the main pipeline and the functional blocks are in penetrating and rotating connection through bearings, the main pipeline is in penetrating and rotating connection with the main body disc through bearings, the connecting pipes are jointly in penetrating and fixedly connected with the bottom wall of the cleaning liquid box and the top wall of the functional blocks, and the direction control mechanisms are arranged in the connecting pipes and the main pipeline; the direction control mechanism is used for controlling the flow direction of the liquid in the main pipeline and the connecting pipe.
This liquefied petroleum gas storage tank's jar body greasy dirt cleaning device has following not enough: firstly, it carries out 360 clean to the storage tank through rotatory trunk line, but owing to the structural feature after connection such as its trunk line, connecting pipe and functional block, it is only to be presumed that it can clean the storage tank that is cylindric structure and opening setting in the tip, and many liquefied petroleum gas's storage tank is whole also to be cylindric structure, but its opening setting is on the outer cylindric wall of jar body, this greasy dirt cleaning device just is difficult to get into the jar body and laminate jar internal wall after so, and can be fine laminating jar internal wall cleaning device just again be difficult to get into by the opening on the jar body outer cylindric wall, secondly, even if it can accomplish laminating jar internal wall structurally and clear up, but owing to the opening of jar body is seted up on the outer cylindric wall, and jar internal wall both ends are far away from the opening distance and the distance on both sides is inconsistent, this greasy dirt cleaning device also can't get into and remove in order to clear up whole jar internal wall after the jar body.
Disclosure of Invention
Based on this, it is necessary to provide a grease cleaner for liquefied petroleum gas storage tanks in view of the problems of the prior art.
In order to solve the problems in the prior art, the invention adopts the following technical scheme:
the utility model provides a greasy dirt clearance ware of liquefied petroleum gas storage tank, including four air springs, still include the main arm that the structure is unanimous, well arm and two outer arms in two, main arm, well arm and outer arm all have a head end and tail end, the head end symmetry of arm sets up in the both sides of main arm head end in two, and the head end symmetry of two outer arms sets up in the both sides of arm head end in two, and all be provided with one of them air spring between arm and the main arm in every, the head end of main arm is provided with coaxial reverse subassembly, coaxial reverse subassembly includes two symmetries set up in the planetary gear mechanism of main arm head end both sides and the driving piece that is used for driving two planetary gear mechanisms, every planetary gear mechanism all includes that an interior pivot and a rotational speed are the outer rotating cylinder of interior pivot rotational speed half, interior pivot and the outer rotating cylinder in every planetary gear mechanism turn to unanimous, and the interior pivot in two planetary gear mechanism turn to opposite, the head end of well arm links firmly with corresponding side outer rotating cylinder, the head end of outer arm links firmly with corresponding side interior rotating cylinder tail end, the tail end of arm, sets up in the outer rotating cylinder outside the end of every outer arm and sets up in the outer rotating cylinder of the outer cylinder of a rotary plate and is used for setting up in the special-shaped wheel and is used for the special-shaped wheel in the outer cylinder of the outer cylinder, the outer cylinder is set up in the special-shaped wheel plate and is used for setting up in the special-shaped wheel in the outer cylinder of the special-shaped motor.
Preferably, the head end of the main arm, the head end of each middle arm and the head end of each outer arm are fixedly connected with sleeve pieces, each sleeve piece comprises an outer sleeve and an inner sleeve, the head end of the main arm is provided with two symmetrical side convex plates, the inner sleeve is arranged on the main arm and positioned on one side of the side convex plates, which is close to the tail end of the main arm, the outer sleeve is positioned on the other side of the side convex plates, the outer sleeve, the two side convex plates and the inner sleeve are mutually fixedly connected, the coaxial reversing assembly is arranged in the outer sleeve connected with the main arm, the outer sleeve connected with the middle arm is fixedly connected with the corresponding side outer rotary drum, and the outer sleeve connected with the outer arm is fixedly connected with the corresponding side inner rotary shaft.
Preferably, the coaxial reversing assembly further comprises a bottom frame and two limiting blocks symmetrically arranged on two sides of the bottom frame, the bottom frame and the two limiting blocks are mutually fixedly connected, the bottom frame and each limiting block are fixedly connected with the corresponding outer pipe sleeve, the driving piece is arranged in the bottom frame, the two planetary gear mechanisms are symmetrically arranged at opposite ends of the two limiting blocks respectively, one end of the outer rotating cylinder, close to the main arm, is axially connected with the corresponding limiting blocks, and one end of the inner rotating cylinder, close to the main arm, is coaxially connected with the outer rotating cylinder in an axial mode.
Preferably, the opposite ends of the two limiting blocks are fixedly connected with fixing plates for setting corresponding planetary gear mechanisms, one end, close to the main arm, of each outer rotating cylinder is coaxially and fixedly connected with a planetary frame plate, one end, far away from the outer rotating cylinder, of each planetary frame plate is provided with three convex shafts uniformly distributed along the circumferential direction, one end, close to the main arm, of each inner rotating shaft is coaxially and fixedly connected with a driving shaft which is arranged in the planetary frame plate and is connected with a driving piece in a driving mode, each planetary gear mechanism further comprises an outer gear ring fixedly connected with the corresponding fixing plates, three planetary gears which are coaxially and fixedly connected with the corresponding driving shafts, and sun gears which are fixedly connected with the corresponding driving shafts, wherein the three planetary gears are meshed with inner ring gear teeth of the outer gear ring, and the sun gears are meshed with the three planetary gears.
Preferably, the driving piece is a gear motor fixedly connected with the bottom frame, an output shaft of the gear motor is perpendicular to the driving shafts, a first bevel gear is coaxially and fixedly connected to the output shaft of the gear motor, second bevel gears are coaxially and fixedly connected to opposite ends of the two driving shafts, and the first bevel gear is meshed with the two second bevel gears.
Preferably, the outer sleeves connected with each middle arm are internally fixedly connected with first connecting blocks fixedly connected with the corresponding outer rotary drums, one end, away from the main arm, of each first connecting block is fixedly connected with a shaft sleeve fixedly connected with the corresponding outer rotary drum, the corresponding outer sleeves connected with the outer arms are internally fixedly connected with second connecting blocks fixedly connected with the corresponding inner rotary shafts, and one end, close to the main arm, of each second connecting block is sleeved on the corresponding shaft sleeve through a shaft.
Preferably, each outer supporting plate is fixedly connected with an inner sliding arm, corresponding inner sliding arms are slidably arranged in the tail end of the main arm, the tail ends of the two middle arms and the tail ends of the two outer arms, and a plurality of first springs for pushing the outer supporting plates outwards are arranged among the tail ends of the main arm, the two middle arms and the tail ends of the two outer arms and the corresponding outer supporting plates.
Preferably, the tight piece is tightly supported, fixedly connected with slope pivot on the dysmorphism wheel, slope pivot hub connection sets up in tightly supporting the one end that the frame kept away from the scrubbing plate, tightly support the one end that the frame is close to the scrubbing plate and linked firmly the slip urceolus that two symmetries set up, every slip urceolus all slides and sets up in the scrubbing plate and link to each other with the scrubbing plate elasticity, and all axial spacing's hub connection is provided with the slip pivot in every slip urceolus, the slip pivot is close to the one end that supports the frame and links to each other with the transmission of slope pivot correspondence end, the epaxial hub connection is provided with two rotation urceolums that correspond two slip pivots respectively on the outer fagging, and the slip pivot is kept away from the one end slip of supporting the frame and is set up in the rotation urceolus, and rotate the urceolus along with the rotation of slip pivot, driving motor is biax motor, and two rotation urceolus keep away from and support two output shaft transmissions of tight frame one end and link to each other with biax motor.
Compared with the prior art, the invention has the following beneficial effects:
the main arm, the two middle arms and the two outer arms can easily enter the storage tank with the opening arranged on the outer cylinder wall of the tank body when in a closed state, and can enable the adsorption soft cushion on the five dirt removing plates to be attached to the inner wall of the tank body after the tank body rotates to the open state under the action of the coaxial reversing assembly and the four gas springs, so that the inner wall of the tank body can be conveniently cleaned later;
secondly, after the main arm, the two middle arms and the two outer arms rotate to an open state in the tank body, the main arm, the two middle arms and the two outer arms can integrally rotate in the tank body in cooperation with the five rotary decontamination assemblies and simultaneously move along the axis of the tank body, so that oil stains on the inner wall of the tank body are sucked and removed in cooperation with the five adsorption cushions;
and thirdly, the four gas springs can effectively resist the gravity of the two middle arms and the two outer arms, so that the torque required to be born by the coaxial reversing assembly when the main arm, the two middle arms and the two outer arms are switched between a closed state and an open state is effectively reduced, the normal operation of the coaxial reversing assembly is ensured, and the overall service life of the coaxial reversing assembly is prolonged.
Drawings
Fig. 1 is a schematic perspective view of a can body of an embodiment.
Fig. 2 is a schematic perspective view of the greasy dirt cleaner in the closed state in the tank.
Fig. 3 is an enlarged view of a partial structure at a in fig. 2.
Fig. 4 is a schematic perspective view of the greasy dirt cleaner in the open state in the tank.
Fig. 5 is a schematic perspective view of an embodiment of an oil stain cleaner in an open state.
Fig. 6 is a top view of the embodiment of the greasy dirt remover in an open state.
Fig. 7 is a cross-sectional view of fig. 6 taken along line B-B.
Fig. 8 is an exploded view of the perspective of the main arm and two planetary gear mechanisms of the embodiment.
Fig. 9 is an exploded perspective view of the main arm and corresponding sleeve member of the embodiment.
Fig. 10 is an exploded view of the perspective of the main arm and one of the planetary mechanisms of the embodiment.
Fig. 11 is a partial structure enlarged view at C in fig. 10.
Fig. 12 is a schematic perspective view of the main arm and corresponding rotary decontamination assembly of an embodiment.
Fig. 13 is an exploded perspective view of the main arm and corresponding rotary decontamination assembly of an embodiment.
Fig. 14 is a partial structure enlarged view at D in fig. 13.
Fig. 15 is a perspective exploded view of the main arm and corresponding rotary decontamination assembly of an embodiment.
Fig. 16 is an enlarged view of a partial structure at E in fig. 15.
Fig. 17 is a top view of an outer strut and corresponding rotary decontamination assembly of an embodiment.
Fig. 18 is a cross-sectional view of fig. 17 taken along line F-F.
Fig. 19 is a partial structure enlarged view at G in fig. 18.
The reference numerals in the figures are: 1. a tank body; 2. a manhole neck; 3. a main arm; 4. a middle arm; 5. an outer arm; 6. a planetary gear mechanism; 7. an inner rotating shaft; 8. an outer drum; 9. an outer support plate; 10. a rotating decontamination assembly; 11. a decontamination plate; 12. profile wheel; 13. a driving motor; 14. a sleeve member; 15. an outer tube sleeve; 16. an inner tube sleeve; 17. a side convex plate; 18. a bottom frame; 19. a limiting block; 20. a fixing plate; 21. a planet carrier plate; 22. a protruding shaft; 23. a drive shaft; 24. an outer ring gear; 25. a planet wheel; 26. a sun gear; 27. a speed reducing motor; 28. a first bevel gear; 29. a second bevel gear; 30. a first connection block; 31. a shaft sleeve; 32. a second connection block; 33. an inner slide arm; 34. a first spring; 35. a tightening frame; 36. tilting the rotating shaft; 37. a sliding outer cylinder; 38. a sliding rotating shaft; 39. rotating the outer cylinder; 40. a second spring; 41. adsorbing soft cushion; 42. a linear bearing; 43. and a gas spring.
Detailed Description
The invention will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the invention and the specific objects and functions achieved.
Referring to fig. 1 to 19, an oil cleaner for a liquefied petroleum gas storage tank comprises four gas springs 43, a main arm 3, two middle arms 4 and two outer arms 5 which are identical in structure, wherein the main arm 3, the middle arms 4 and the outer arms 5 are provided with a head end and a tail end, the head ends of the two middle arms 4 are symmetrically arranged at two sides of the head end of the main arm 3, the head ends of the two outer arms 5 are symmetrically arranged at two sides of the head end of the two middle arms 4, one gas spring 43 is arranged between each middle arm 4 and the main arm 3 and between each outer arm 5 and the middle arm 4, the head end of the main arm 3 is provided with a coaxial reversing assembly which comprises two planetary wheel mechanisms 6 symmetrically arranged at two sides of the head end of the main arm 3 and a driving piece for driving the two planetary wheel mechanisms 6, each planetary gear mechanism 6 comprises an inner rotating shaft 7 and an outer rotating cylinder 8 with the rotating speed being half of the rotating speed of the inner rotating shaft 7, the rotating directions of the inner rotating shaft 7 and the outer rotating cylinder 8 in each planetary gear mechanism 6 are consistent, the rotating directions of the inner rotating shafts 7 in the two planetary gear mechanisms 6 are opposite, the head end of the middle arm 4 is fixedly connected with the corresponding side outer rotating cylinder 8, the head end of the outer arm 5 is fixedly connected with the corresponding side inner rotating shaft 7, the tail end of the main arm 3, the tail end of each middle arm 4 and the tail end of each outer arm 5 are respectively provided with an outer supporting plate 9 of an elastic outer supporting plate and a rotary decontamination assembly 10 arranged on the outer supporting plate 9, each rotary decontamination assembly 10 comprises a decontamination plate 11 fixedly arranged at the outer end of the corresponding outer supporting plate 9 and used for being tightly adhered to the inner wall of the tank body 1, an abutting piece arranged on the decontamination plate 11 in an elastic outward sliding manner, the special-shaped wheel 12 which is arranged on the abutting piece in a shaft connection mode in an inclined state and is used for being abutted against the inner wall of the tank body 1 to rotate, and the driving motor 13 which is fixedly arranged on the outer supporting plate 9 and is used for driving the special-shaped wheel 12 to rotate.
The oil stain cleaner is used with a transfer vehicle and a mechanical arm arranged on the transfer vehicle (the transfer vehicle and the mechanical arm are not shown in the figure), when the oil stains in the corresponding tank body 1 are cleaned, the oil stain cleaner is sent to the corresponding tank body 1 through the transfer vehicle, the head end of the main arm 3 on the oil stain cleaner is clamped by the mechanical arm (a clamping jaw and a monitoring camera for clamping the head end of the main arm 3 are arranged at the free end of the mechanical arm), the oil stain cleaner is sent into the tank body 1 through one manhole neck 2 on the tank body 1, the dirt removing plate 11 at the tail end of the main arm 3 is close to the lowest position of the inner wall of the tank body 1 (namely, the state shown in the figures 2 and 3 is shown, at the moment, the head ends of the main arm 3, the two middle arms 4 and the two outer arms 5 are all positioned near the axis of the tank body 1), at this time, the main arm 3, the two middle arms 4 and the two outer arms 5 are in a closed state (i.e. the state shown in fig. 3) with respect to each other, then the driving member at the head end of the main arm 3 drives the two planetary gear mechanisms 6 to operate simultaneously, so as to drive the two inner rotating shafts 7 and the two outer rotating shafts 8 to rotate simultaneously, and since the rotation directions of the inner rotating shafts 7 at the two sides are opposite, the rotation speed of the outer rotating shafts 8 in each planetary gear mechanism 6 is only half of the rotation speed of the corresponding inner rotating shafts 7, so that the rotation angle of the outer arm 5 at each side is twice the rotation angle of the corresponding middle arm 4, and the two middle arms 4 and the outer arms 5 are rotated in different directions, after a while, the main arm 3, the two middle arms 4 and the two outer arms 5 are completely opened, and the main arm 3, the two middle arms 4 and the two outer arms 5 are rotated to the states shown in fig. 4 and 5 (i.e. the main arm 3, the two middle arms 4 and the two outer arms 5 are turned into an open state with respect to each other), at this time, the main arm 3, the outer arm 5 is completely opened, the tail ends of the two middle arms 4 and the two outer arms 5 are connected to form approximately a regular pentagon structure (in the process of designing the main arm 3, the two middle arms 4 and the two outer arms 5, the tail ends of the main arm 3, the tail ends of the two middle arms 4 and the tail ends of the two outer arms 5 are all in a state of being close to the inner wall of the tank 1 when the two middle arms 4 and the two outer arms 5 are rotationally unfolded to be in a state shown in fig. 5, so that the follow-up dirt removing plate 11 and the special-shaped wheel 12 can be tightly attached to the inner wall of the tank 1), in the rotating process, because the two middle arms 4 and the two outer arms 5 rotate from bottom to top, the four gas springs 43 can play a role of assisting a driving piece to drive the two middle arms 4 and the two outer arms 5 to rotate upwards, so as to relieve the pressure of the driving piece, and because the two gas springs 43 connected with the outer arms 5 support the two outer arms 5 through the two middle arms 4, the elasticity of the two gas springs 43 connected with the main arm 3 is slightly larger than the elasticity of the two gas springs 43 connected with the two outer arms 5 relatively, meanwhile, in the rotating process, the outer supporting plate 9 drives the dirt removing plate 11 to be tightly attached to the inner wall of the tank body 1 due to the elastic action, the special-shaped wheel 12 is elastically abutted to the inner wall of the tank body 1, after the two middle arms 4 and the two outer arms 5 are completely opened, the mechanical arm is withdrawn, five driving motors 13 are synchronously started, the five special-shaped wheels 12 are abutted to the inner wall of the tank body 1 to rotate, and due to the inclined arrangement of the special-shaped wheels 12, the five special-shaped wheels 12 rotate and then drive the main arm 3, the two middle arms 4 and the two outer arms 5 to integrally rotate in the tank body 1 and simultaneously move along the axial direction of the tank body 1, and when the greasy dirt cleaner is debugged, the main arm 3, the greasy dirt cleaner and the greasy dirt cleaner are designed according to the length of the tank body 1 and the known size such as the position of a manhole neck 2, the axial movement distance of the two middle arms 4 and the two outer arms 5 when rotating in the tank body 1 is that the main arm 3, the two middle arms 4 and the two outer arms 5 move to the positions close to the corresponding ends of the inner wall of the tank body 1 along the axial direction, the movement is automatically stopped, and then the output ends of the five driving motors 13 are driven to rotate reversely to drive the main arm 3, the two middle arms 4 and the two outer arms 5 to move to the other end in the tank body 1, so that the main arm 3, the two middle arms 4 and the two outer arms 5 are continuously driven to move back and forth in the tank body 1 along the axial direction of the tank body 1, so that the five dirt removing plates 11 clean the dirt on the inner wall of the tank body 1, the main arm 3, the two middle arms 4 and the two outer arms 5 are driven to the positions close to the positions below the corresponding manhole neck 2 after cleaning, the head ends of the main arm 3 are clamped by the mechanical arms, and then the driving piece drives the two planetary wheel mechanisms 6 to work simultaneously, the two inner rotating shafts 7 and the two outer rotating drums 8 are driven to rotate simultaneously, the two outer arms 5 and the main arm 4 are driven to rotate simultaneously, the two middle arms 4 and the two outer arms 4 are driven to rotate simultaneously, and the two outer arms 4 are driven to rotate correspondingly, and the two inner arms 4 and the two outer arms 4 are driven to rotate correspondingly, and the two inner arms 4 and the main arms 4 are driven to rotate correspondingly, and the main arms are driven to rotate correspondingly, and the two inner arms 4 are driven to rotate and are driven to work and are simultaneously;
the middle part of the main arm 3 is fixedly connected with a first transverse shaft (not shown in the figure), the middle part and the tail end of the middle arm 4 are respectively fixedly provided with a second transverse shaft (not shown in the figure) and a third transverse shaft (not shown in the figure), the tail end of the outer arm 5 is fixedly provided with a fourth transverse shaft (not shown in the figure), two ends of the gas spring 43 on each side of the main arm 3 are respectively and axially arranged on the first transverse shaft and the corresponding third transverse shaft, and two ends of the gas spring 43 between the middle arm 4 and the corresponding outer arm 5 are respectively and axially arranged on the second transverse shaft and the corresponding fourth transverse shaft.
In order to connect the main arm 3 and the coaxial reversing assembly, the connecting middle arm 4 and the corresponding outer drum 8, and the connecting outer arm 5 and the corresponding inner shaft 7, the following features are provided in particular:
the head end of the main arm 3, the head end of each middle arm 4 and the head end of each outer arm 5 are fixedly connected with sleeve members 14, each sleeve member 14 comprises an outer sleeve 15 and an inner sleeve 16, the head end of the main arm 3 is provided with two symmetrically arranged side convex plates 17, the inner sleeve 16 is sleeved on the main arm 3 and is positioned on one side of the side convex plates 17 close to the tail end of the main arm 3, the outer sleeve 15 is positioned on the other side of the side convex plates 17, the outer sleeve 15, the two side convex plates 17 and the inner sleeve 16 are mutually fixedly connected, the coaxial reversing assembly is arranged in the outer sleeve 15 connected with the main arm 3, the outer sleeve 15 connected with the middle arm 4 is fixedly connected with the corresponding side outer rotary drum 8, and the outer sleeve 15 connected with the outer arm 5 is fixedly connected with the corresponding side inner rotary shaft 7.
The main arm 3, the middle arm 4 and the outer arm 5 are identical in structure, so that the head ends of the middle arm 4 and the outer arm 5 are also formed with two side convex plates 17 which are fixedly connected with corresponding sleeve members 14, the side convex plates 17 are formed on the main arm 3, the outer tube sleeve 15 and the inner tube sleeve 16 at two sides of the main arm 3 are matched, the stability of the outer tube sleeve 15 can be effectively improved, the outer tube sleeve 15 and the inner tube sleeve 16 are in the structure shown in fig. 9, reinforcing ribs are formed on the outer walls of the outer tube sleeve 15 and the inner tube sleeve 16, so that the structural rigidity of the outer tube sleeve 15 is enhanced, and the stability of coaxial reversing assemblies in the corresponding outer tube sleeve 15 is ensured.
In order to connect the coaxial reversing assembly and the outer jacket 15 on the main arm 3, the following features are provided in particular:
the coaxial reversing assembly further comprises a bottom frame 18 and two limiting blocks 19 symmetrically arranged on two sides of the bottom frame 18, the bottom frame 18 and the two limiting blocks 19 are fixedly connected with each other, the bottom frame 18 and each limiting block 19 are fixedly connected with the corresponding outer pipe sleeve 15, a driving piece is arranged in the bottom frame 18, the two planetary gear mechanisms 6 are symmetrically arranged at opposite ends of the two limiting blocks 19 respectively, one end of the outer rotary cylinder 8 close to the main arm 3 is axially connected with the corresponding limiting blocks 19, and one end of the inner rotary shaft 7 close to the main arm 3 is coaxially and axially connected with the inner rotary cylinder 8.
The bottom frame 18 and the two limiting blocks 19 are mutually fixedly connected to form a whole for bearing the coaxial reversing assembly, when the coaxial reversing assembly is installed, the two planetary gear mechanisms 6 are required to be installed in the two limiting blocks 19 respectively, then the driving piece is installed on the bottom frame 18, the bottom frame 18 and the two limiting blocks 19 are fixedly connected, meanwhile, the driving piece and the two planetary gear mechanisms 6 are matched, finally, the whole formed by the bottom frame 18 and the two limiting blocks 19 is fixedly connected with the corresponding outer pipe sleeve 15, and therefore the coaxial reversing assembly is integrally arranged in the bottom frame 18 and the two limiting blocks 19, and can be installed in the outer pipe sleeve 15 on the main arm 3 more conveniently.
In order to connect the stopper 19 and the corresponding planetary gear mechanism 6, the following features are specifically provided:
the fixed plate 20 that is used for setting up corresponding planet wheel mechanism 6 has all been linked firmly to the opposite ends of two stopper 19, every outer rotary drum 8 is close to the equal coaxial fixed planetary frame board 21 of one end of main arm 3, planetary frame board 21 keeps away from the one end shaping of outer rotary drum 8 has three protruding axle 22 along circumferencial direction evenly distributed, and the coaxial connection that links firmly of one end that every inner rotating axle 7 is close to main arm 3 sets up in planetary frame board 21 and links firmly with the drive shaft 23 of driving piece transmission, every planet wheel mechanism 6 still includes with the outer ring gear 24 that links firmly of corresponding fixed plate 20, three coaxial connection respectively set up the planet wheel 25 on three corresponding protruding axle 22 and with the sun gear 26 that links firmly of corresponding drive shaft 23, three planet wheel 25 meshes with the inner ring teeth of a tooth of outer ring gear 24, sun gear 26 meshes with three planet wheel 25.
After the outer gear ring 24, the fixed plate 20, the limiting block 19, the main arm 3 and the corresponding outer sleeve 15 are fixedly connected with each other, the outer gear ring 24, the limiting block 19 and the main arm 3 are fixedly connected with each other, after the driving piece, the bottom frame 18, the main arm 3 and the corresponding outer sleeve 15 are fixedly connected with each other, the driving piece and the main arm 3 are fixedly connected with each other, the outer rotary drum 8 is arranged in the limiting block 19 in a shaft connection manner, the inner rotary shaft 7 is arranged in the outer rotary drum 8 in a shaft connection manner, the driving piece is in transmission connection with the sun gear 26, the outer gear ring 24, the three planetary gears 25 and the sun gear 26 form a planetary gear structure, so that after the driving piece drives the two driving shafts 23 to rotate, the two inner rotary shafts 7 are driven to rotate, and simultaneously the three planetary gears 25 rotate around the sun gear 26 due to the cooperation of the outer gear ring 24 and the sun gear 26, and then the outer rotary drum 8 are driven to rotate through the three convex shafts 22 and the planetary gear plates 21, the rotating speed of the outer rotary drum 8 can reach half the rotating speed of the inner rotary shaft 7 through reasonably setting the transmission ratio of the planetary gear mechanism, and the rotating speed 7 on two sides is opposite, so that when the main arm 3 drives the two driving arms 5 to rotate, and the two driving arms 5 can be opened in a certain state shown in a certain state after the driving of the two driving arms 5 and the two driving arms 5 are rotated.
In order to connect the drive member and the two drive shafts 23, the following features are provided in particular:
the driving part is a gear motor 27 fixedly connected with the bottom frame 18, an output shaft of the gear motor 27 is perpendicular to the driving shafts 23, a first bevel gear 28 is coaxially and fixedly connected to the output shaft of the gear motor 27, second bevel gears 29 are coaxially and fixedly connected to opposite ends of the two driving shafts 23, and the first bevel gear 28 is meshed with the two second bevel gears 29.
The output shaft of the gear motor 27 rotates and then drives the two driving shafts 23 to synchronously and coaxially rotate in a reverse manner through the cooperation of the first bevel gear 28 and the two second bevel gears 29, and then finally drives the two inner rotating shafts 7 to synchronously and coaxially rotate, the gear motor 27 is a stepping gear motor 27 so as to ensure the precision thereof, the main arm 3, the two middle arms 4 and the two outer arms 5 can precisely rotate to an open state shown in fig. 5, the gear motor 27 has a self-locking function, and the gear motor 27 is matched with the elasticity of the four gas springs 43 in such a manner that the main arm 3, the two middle arms 4 and the two outer arms 5 can be kept in a closed state and an open state after the output shaft of the gear motor 27 does not rotate.
In order to connect the outer arm 5 with the corresponding inner rotary shaft 7 and to connect the intermediate arm 4 with the corresponding outer drum 8, the following features are provided in particular:
the outer pipe sleeves 15 connected with each middle arm 4 are internally fixedly connected with first connecting blocks 30 fixedly connected with the corresponding outer rotary drums 8, one end, away from the main arm 3, of each first connecting block 30 is fixedly connected with a shaft sleeve 31 fixedly connected with the corresponding outer rotary drum 8, the corresponding outer pipe sleeves 15 connected with the outer arms 5 are internally fixedly connected with second connecting blocks 32 fixedly connected with the corresponding inner rotary shafts 7, and one end, close to the main arm 3, of each second connecting block 32 is sleeved on the corresponding shaft sleeve 31 in a shaft-connecting mode.
Every outer rotary drum 8 keeps away from main arm 3 one end and all forms into the polygon prism structure (offer the cylinder logical groove that is used for the interior rotary shaft 7 of hub connection in the polygon prism structure, the interior rotary shaft 7 is kept away from main arm 3 one end hub connection and is set up in this cylinder logical groove corresponding end), the polygon prism groove structure that corresponds this end structure of outer rotary drum 8 has all been offered to adaptation in every first connecting block 30, so can guarantee that first connecting block 30 rotates along with outer rotary drum 8 rotation, the same shaping of main arm 3 one end is kept away from to interior rotary shaft 7 has the polygon prism structure, all offered the polygon prism logical groove that corresponds interior rotary shaft 7 structure in every second connecting block 32, interior rotary drum 7, outer rotary drum 8, first connecting block 30 and second connecting block 32 are the structure shown in fig. 8, the shaping polygon prism structure can guarantee that the follow-up through behind bolted connection interior rotary shaft 7 and the second connecting block 32, the bolt only bears less axial force, need not bear too much rotation force along the circumferencial direction, and then guarantee between interior rotary shaft 7 and outer rotary drum 8 and the steady connection between middle arm 4.
In order to provide the outer stay 9 at the tail end of the main arm 3, the tail ends of the two middle arms 4 and the tail ends of the two outer arms 5, the following features are specifically provided:
each outer supporting plate 9 is fixedly connected with an inner sliding arm 33, corresponding inner sliding arms 33 are slidably arranged in the tail end of the main arm 3, the tail ends of the two middle arms 4 and the tail ends of the two outer arms 5, and a plurality of first springs 34 for pushing the outer supporting plates 9 outwards are arranged between the tail ends of the main arm 3, the two middle arms 4 and the tail ends of the two outer arms 5 and the corresponding outer supporting plates 9.
The tail end of the main arm 3, the corresponding outer supporting plate 9, the corresponding inner sliding arm 33 and the plurality of first springs 34 are of the structure shown in fig. 12, a plurality of limiting shafts corresponding to the plurality of corresponding first springs 34 one by one are fixedly connected to each inner sliding arm 33, for example, the tail end of the main arm 3 is provided with four limiting shafts and four first springs 34, the tail end of the main arm 3 is fixedly connected with a supporting frame which is in sliding connection with the two limiting shafts on the corresponding side, each first spring 34 is sleeved on the corresponding limiting shaft, two ends of the first springs 34 respectively abut against the supporting frame and the inner sliding arm 33, the tail end of each middle arm 4 and the corresponding outer supporting plate 9, and the tail end of each outer arm 5 and the corresponding outer supporting plate 9 are of the structure, for example, the tail end of the main arm 3 always keeps the trend of keeping the inner sliding arm 33 far away from the head end of the main arm 3 through the elastic force action of the first springs 34, and therefore, when the main arm 3, the two middle arms 4 and the two outer arms 5 integrally rotate to clear the tank body 1, the five outer supporting plates 9 can drive the five tank bodies 11 to be tightly attached to the inner wall 11.
In order to connect the profile wheel 12, the driving motor 13, the abutting piece, the dirt removing plate 11 and the outer supporting plate 9, the following characteristics are specifically set:
the tight piece is tightly supporting frame 35, fixedly connected with slope pivot 36 on the special-shaped wheel 12, slope pivot 36 axi connect set up in tightly supporting frame 35 keep away from the one end of dirt removing plate 11, tightly supporting frame 35 is close to dirt removing plate 11's one end has linked firmly the slip urceolus 37 of two symmetry settings, every slip urceolus 37 all slides and sets up in dirt removing plate 11 and link to each other with dirt removing plate 11 elasticity, and the axi spacing axi of every slip urceolus 37 connect be provided with the slip pivot 38, the slip pivot 38 is close to tightly supporting frame 35's one end and links to each other with slope pivot 36 corresponding end transmission, the external stay plate 9 upper axis connect be provided with two respectively correspond the rotation urceolus 39 of two slip pivots 38, the slip pivot 38 is kept away from tightly supporting frame 35's one end slip and is set up in rotating urceolus 39, and rotate urceolus 39 along with the rotation of slip pivot 38, driving motor 13 is biax motor, and two outer urceolus 39 keep away from tightly supporting frame 35 one end respectively with biax motor's two output shafts transmission link to each other.
The special-shaped wheel 12 is in the structure shown in fig. 16 and 18, the special-shaped wheel 12 is in an inclined state shown in fig. 16 relative to the dirt removing plate 11, the diameter of the middle part is larger than that of the two ends, when the special-shaped wheel 12 is tightly attached to the inner wall of the tank body 1, the special-shaped wheel can be always tightly attached to the inner wall of the tank body 1 (because the main arm 3, the two middle arms 4 and the two outer arms 5 need to integrally rotate and advance in the tank body 1, if the special-shaped wheel 12 is in a cylindrical structure or is not in an inclined state with the dirt removing plate 11, the special-shaped wheel 12 is insufficiently contacted with the inner wall of the tank body 1, the special-shaped wheel 12 cannot be stably attached to the inner wall of the tank body 1 when rotating, so as to drive the main arm 3, the two middle arms 4 and the two outer arms 5 to integrally rotate and advance, a second spring 40 is sleeved on the sliding outer cylinder 37, one end of the dirt removing plate 11, which is far from the outer supporting plate 9, is fixedly connected with an adsorption cushion 41, the adsorption cushion 41 is used for adsorbing and removing greasy dirt on the inner wall of the tank body 1 after being tightly adhered to the inner wall of the tank body 1 and sliding, the middle part of the adsorption cushion 41 is provided with an avoiding through groove for avoiding the special-shaped wheel 12, the dirt removing plate 11 is also embedded with two linear bearings 42 which are used for being connected with the sliding outer cylinder 37 in a sliding way, two ends of the second spring 40 respectively abut against the corresponding linear bearings 42 and the abutting frame 35, one end of the sliding outer cylinder 37 far away from the abutting frame 35 is also coaxially and fixedly connected with a limiting shaft sleeve for preventing the sliding outer cylinder 37 from being separated from the dirt removing plate 11, the sliding rotating shaft 38 can axially slide in the rotating outer cylinder 39, the rotating outer cylinder 39 can also drive the sliding rotating shaft 38 to rotate when rotating, the acting mode between the two is consistent with the acting mode of ball spline, the corresponding output shaft of the rotating outer cylinder 39 and the driving motor 13 and the corresponding end of the sliding rotating shaft 38 and the tilting rotating shaft 36 are connected through bevel gear transmission (as shown in figure 18), so after two output shafts of driving motor 13 rotate, just can drive two rotation urceolus 39 synchronous revolution, and no matter the slip pivot 38 slides in the rotation urceolus 39 to which position, rotate the urceolus 39 and can drive the slip pivot 38 rotation all the time to finally drive special-shaped wheel 12 rotation through slope pivot 36, so, special-shaped wheel 12 hugs closely jar body 1 inner wall all the time under the effect of slope pivot 36, support tight frame 35, slip urceolus 37 and second spring 40 to rotate under driving motor 13, thereby finally drive main arm 3, two well arms 4 and two outer arms 5 rotate forward in jar body 1.
Working principle: when the oil stain in the corresponding tank body 1 is cleaned, the oil stain cleaner is sent to the corresponding tank body 1 through a transfer vehicle, then the head end of the main arm 3 on the oil stain cleaner is clamped by a mechanical arm, the oil stain cleaner is sent into the tank body 1 through the manhole neck 2 of the tank body 1, the dirt removing plate 11 at the tail end of the main arm 3 is close to the lowest position of the inner wall of the tank body 1 (namely, the state shown in fig. 2 and 3), at the moment, the main arm 3, the two middle arms 4 and the two outer arms 5 are in a closed state, then the speed reducing motor 27 at the head end of the main arm 3 drives the two planetary wheel mechanisms 6 to work simultaneously to drive the two inner rotating shafts 7 and the two outer rotating shafts 8 to rotate simultaneously, and as the steering directions of the two inner rotating shafts 7 are opposite, the rotating speed of the outer rotating shafts 8 in each planetary wheel mechanism 6 is only half of the corresponding inner rotating shafts 7, so that the rotating angle of the outer arms 5 at each side is twice the rotating angle of the corresponding middle arms 4, the middle arms 4 and the outer arms 5 on the two sides rotate in different directions, after a period of time, the main arm 3, the two middle arms 4 and the two outer arms 5 are completely opened, the main arm 3, the two middle arms 4 and the two outer arms 5 rotate to the states shown in fig. 4 and 5 (namely, the main arm 3, the two middle arms 4 and the two outer arms 5 are mutually converted into the opened states), when in side view, the tail end connecting lines of the main arm 3, the two middle arms 4 and the two outer arms 5 approximately form a positive pentagon structure, meanwhile, in the rotating process, the outer supporting plate 9 drives the dirt removing plate 11 to be tightly attached to the inner wall of the tank 1 due to the elastic action, the special-shaped wheels 12 are also elastically abutted to the inner wall of the tank 1, after the two middle arms 4 and the two outer arms 5 are completely opened, the mechanical arms are withdrawn, and the five driving motors 13 are synchronously started, so that the five special-shaped wheels 12 are abutted to the inner wall of the tank 1, due to the oblique arrangement of the profile wheels 12, the five profile wheels 12 rotate to drive the main arm 3, the two middle arms 4 and the two outer arms 5 to integrally rotate in the tank body 1 and simultaneously move along the axial direction of the tank body 1, when the greasy dirt cleaner is debugged, the axial movement distance of the main arm 3, the two middle arms 4 and the two outer arms 5 when rotating in the tank body 1 is designed according to the known dimensions such as the length of the tank body 1 and the position of the manhole neck 2, the movement of the main arm 3, the two middle arms 4 and the two outer arms 5 is automatically stopped when the main arm 3, the two middle arms 4 and the two outer arms 5 move to the corresponding ends close to the inner wall of the tank body 1 along the axial direction, and then the output ends of the five driving motors 13 are driven to reversely move to the other end of the tank body 1, so constantly drive main arm 3, two well arms 4 and two outer arms 5 round trip movement along jar body 1 axial in jar body 1 to make the greasy dirt clean up of jar body 1 inner wall of absorption cushion 41 on five scrubbing plates 11, drive main arm 3 after the clean up, two well arms 4 and two outer arms 5 return to corresponding manhole neck 2 below, and the head end of main arm 3 is cliied through the arm, two planetary gear mechanism 6 simultaneous workings of rethread gear motor 27 drive, drive two inner rotating shafts 7 and two outer revolving cylinders 8 simultaneously rotate, make two outer arms 5 and two well arms 4 rotate towards main arm 3 simultaneously, drive two well arms 4 and two outer arms 5 and get back to the closed condition, the arm is followed to carry main arm 3, two well arms 4 and two outer arms 5, take out jar body 1 and put back into the transportation vehicle by manhole neck 2 department of jar body 1.
The foregoing examples merely illustrate one or more embodiments of the invention, which are described in greater detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (8)
1. The utility model provides a greasy dirt clearance ware of liquefied petroleum gas storage tank, including four air springs (43), a serial communication port, still include the main arm (3) that the structure is unanimous, two well arms (4) and two outer arms (5), main arm (3), well arms (4) and outer arms (5) all have a head end and tail end, the head end symmetry of two well arms (4) sets up in the both sides of main arm (3) head end, the head end symmetry of two outer arms (5) sets up in the both sides of the head end of two well arms (4), and between every well arms (4) and main arm (3) and between every outer arms (5) and well arms (4) all be provided with one of them air spring (43), the head end of main arm (3) is provided with coaxial reverse rotation subassembly, coaxial reverse rotation subassembly includes two planet wheel mechanism (6) of both sides in main arm (3) head end and is used for driving piece of two planet wheel mechanism (6), every planet wheel mechanism (6) all include one inner rotating shaft (7) and one rotation speed are the inner rotating shaft (7) and the corresponding in the inner rotating shaft (8) of two outer rotating shaft (8) and the outer rotating shaft (8) of rotating shaft (8) and the corresponding one rotation mechanism (8), turn to the inner rotating shaft (8) and the outer rotating shaft (8) of rotating shaft (7), the head end of outer arm (5) links firmly with corresponding side inner rotating axle (7), the tail end of main arm (3), the tail end of every well arm (4) and the tail end of every outer arm (5) all are provided with outer fagging (9) that elasticity was propped outward and rotatory decontamination subassembly (10) that set up on outer fagging (9), every rotatory decontamination subassembly (10) all including fixed setting up in corresponding outer fagging (9) outer end and be used for pasting dirt removing plate (11) of the gliding of jar body (1), the outside slip of elasticity sets up the tight piece of support on dirt removing plate (11), be inclined state joint and set up on the tight piece of support and be used for pasting rotatory special-shaped wheel (12) of jar body (1) inner wall and fixed driving motor (13) that set up on outer fagging (9) and be used for driving special-shaped wheel (12) rotatory.
2. The greasy dirt cleaner of liquefied petroleum gas storage tank according to claim 1, characterized in that, the head end of main arm (3), the head end of every well arm (4) and the head end of every outer arm (5) all link firmly sleeve member (14), every sleeve member (14) all include outer pipe cover (15) and inner tube cover (16), the head end shaping of main arm (3) has two side flange (17) of symmetry setting, inner tube cover (16) cover is located on main arm (3) and is located one side that side flange (17) is close to main arm (3) tail end, outer pipe cover (15) are located the opposite side of side flange (17), outer pipe cover (15), two side flange (17) and inner tube cover (16) link firmly each other, coaxial reversing assembly sets up in outer pipe cover (15) that link to each other with main arm (3), outer pipe cover (15) that link to each other with well arm (4) link firmly with corresponding side outer rotary drum (8), cover (15) that link firmly with outer pipe (5) link firmly with corresponding side (7).
3. The oil stain cleaner for the liquefied petroleum gas storage tank according to claim 2, wherein the coaxial reversing assembly further comprises a bottom frame (18) and two limiting blocks (19) symmetrically arranged on two sides of the bottom frame (18), the bottom frame (18) and the two limiting blocks (19) are fixedly connected with each other, the bottom frame (18) and each limiting block (19) are fixedly connected with a corresponding outer pipe sleeve (15), a driving piece is arranged in the bottom frame (18), two planetary gear mechanisms (6) are symmetrically arranged at opposite ends of the two limiting blocks (19) respectively, one end of an outer rotary drum (8) close to a main arm (3) is axially arranged in the corresponding limiting block (19), and one end of an inner rotary shaft (7) close to the main arm (3) is coaxially axially arranged in the end of the outer rotary drum (8).
4. A liquefied petroleum gas storage tank's greasy dirt clearance ware according to claim 3, characterized in that, two stopper (19) all link firmly in the opposite ends be used for setting up fixed plate (20) that corresponds planet wheel mechanism (6), every outer rotary drum (8) all link firmly planet carrier plate (21) near the one end of main arm (3) coaxially, the one end shaping that outer rotary drum (8) was kept away from to planet carrier plate (21) has three protruding axle (22) of evenly distributed along the circumferencial direction, and the one end that every inner rotating axle (7) is close to main arm (3) all link firmly coaxial hub connection and sets up in planet carrier plate (21) and drive shaft (23) that link firmly with the driving piece transmission, every planet wheel mechanism (6) still include with outer ring gear (24) that correspond fixed plate (20) and three respectively coaxial hub connection set up planet wheel (25) on three corresponding protruding axle (22) and with the sun gear (26) that correspond sun gear (26) that drive shaft (23) link firmly, three planet wheel (25) mesh with sun gear (25) and sun gear tooth that sun gear (25).
5. The oil stain remover for the liquefied petroleum gas storage tank according to claim 4, wherein the driving piece is a gear motor (27) fixedly connected with the bottom frame (18), an output shaft of the gear motor (27) is perpendicular to the driving shafts (23), a first umbrella tooth (28) is coaxially fixedly connected to the output shaft of the gear motor (27), second umbrella teeth (29) are coaxially fixedly connected to opposite ends of the two driving shafts (23), and the first umbrella tooth (28) is meshed with the two second umbrella teeth (29).
6. The greasy dirt cleaner of liquefied petroleum gas storage tank according to claim 2, characterized in that the outer sleeve (15) connected with each middle arm (4) is fixedly connected with a first connecting block (30) fixedly connected with the corresponding outer rotary drum (8), one end, far away from the main arm (3), of each first connecting block (30) is fixedly connected with a shaft sleeve (31) fixedly connected with the corresponding outer rotary drum (8), the corresponding outer sleeve (15) connected with the outer arm (5) is fixedly connected with a second connecting block (32) fixedly connected with the corresponding inner rotary shaft (7), and one end, close to the main arm (3), of each second connecting block (32) is fixedly connected with the corresponding shaft sleeve (31).
7. The greasy dirt cleaner for liquefied petroleum gas storage tank according to claim 1, wherein each outer supporting plate (9) is fixedly connected with an inner sliding arm (33), corresponding inner sliding arms (33) are slidably arranged in the tail ends of the main arm (3), the two middle arms (4) and the two outer arms (5), and a plurality of first springs (34) for pushing the outer supporting plates (9) outwards are arranged between the tail ends of the main arm (3), the two middle arms (4) and the two outer arms (5) and the corresponding outer supporting plates (9).
8. The oil stain cleaner for the liquefied petroleum gas storage tank according to claim 1, wherein the abutting part is an abutting frame (35), the special-shaped wheel (12) is fixedly connected with an inclined rotating shaft (36), the inclined rotating shaft (36) is arranged at one end of the abutting frame (35) far away from the decontamination plate (11), one end of the abutting frame (35) close to the decontamination plate (11) is fixedly connected with two symmetrically arranged sliding outer cylinders (37), each sliding outer cylinder (37) is arranged in the decontamination plate (11) in a sliding mode and is elastically connected with the decontamination plate (11), shafts limited in each sliding outer cylinder (37) are respectively provided with a sliding rotating shaft (38), one end of the sliding rotating shaft (38) close to the abutting frame (35) is in transmission connection with the corresponding end of the inclined rotating shaft (36), two rotating outer cylinders (39) corresponding to the two sliding rotating shafts (38) are arranged on the outer support plate (9), one end of the sliding rotating shaft (38) far away from the abutting frame (35) is arranged in the rotating motor outer cylinder (39) in a sliding mode, and the two rotating shafts (39) are respectively connected with the two rotating shafts (13) in a transmission mode.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311166858.0A CN117123581B (en) | 2023-09-11 | 2023-09-11 | Greasy dirt cleaner for liquefied petroleum gas storage tank |
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| CN202311166858.0A CN117123581B (en) | 2023-09-11 | 2023-09-11 | Greasy dirt cleaner for liquefied petroleum gas storage tank |
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| CN117123581B CN117123581B (en) | 2024-04-16 |
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