CN115254851A - Inside belt cleaning device of liquid ammonia holding vessel - Google Patents
Inside belt cleaning device of liquid ammonia holding vessel Download PDFInfo
- Publication number
- CN115254851A CN115254851A CN202210874281.8A CN202210874281A CN115254851A CN 115254851 A CN115254851 A CN 115254851A CN 202210874281 A CN202210874281 A CN 202210874281A CN 115254851 A CN115254851 A CN 115254851A
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- shaped clamping
- clamping rod
- rod
- arc
- wall
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- 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
- B08B9/20—Cleaning containers, e.g. tanks by using apparatus into or on to which containers, e.g. bottles, jars, cans are brought
- B08B9/36—Cleaning containers, e.g. tanks by using apparatus into or on to which containers, e.g. bottles, jars, cans are brought the apparatus cleaning by using brushes
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- 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
-
- 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
- B08B9/20—Cleaning containers, e.g. tanks by using apparatus into or on to which containers, e.g. bottles, jars, cans are brought
- B08B9/28—Cleaning containers, e.g. tanks by using apparatus into or on to which containers, e.g. bottles, jars, cans are brought the apparatus cleaning by splash, spray, or jet application, with or without soaking
- B08B9/34—Arrangements of conduits or nozzles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses an internal cleaning device of a liquid ammonia storage tank, which comprises a movable base, a tank outer wall clamping mechanism and a tank inner wall cleaning mechanism, wherein the tank outer wall clamping mechanism and the tank inner wall cleaning mechanism are respectively arranged at the front end and the top of the movable base, the tank outer wall clamping mechanism comprises a left arc-shaped clamping rod and a right arc-shaped clamping rod, the left arc-shaped clamping rod and the right arc-shaped clamping rod are arranged in bilateral symmetry along the horizontal direction, one end of the left arc-shaped clamping rod and one end of the right arc-shaped clamping rod are both hinged with the movable base, a plurality of left friction wheels are arranged on the inner side of the left arc-shaped clamping rod at equal intervals along the self circumferential direction, a plurality of right friction wheels are arranged on the inner side of the right arc-shaped clamping rod at equal intervals along the self circumferential direction, pressure sensors are arranged on the left friction wheels and the right friction wheels, and two groups of travelling wheels are arranged on the movable base in a way of rotating the end surface of the left arc-shaped clamping rod. The vertical tank body is convenient to clean the inside, the cleaning efficiency is improved, and the use of the vertical tank body is not limited.
Description
Technical Field
The invention relates to the technical field of storage tank cleaning, in particular to an internal cleaning device for a liquid ammonia storage tank.
Background
Liquid ammonia, also known as anhydrous ammonia, is a colorless liquid with a strong pungent odor, a relative density of 0.77 (liquid), a melting point of-77.7 ℃ and a boiling point of-33.5 ℃. Ammonia is an important chemical raw material, and for convenience in transportation and storage, gaseous ammonia gas is usually pressurized or cooled to obtain liquid ammonia. The liquid ammonia is easy to dissolve in water, ammonium ions NH4+ and hydroxyl ions OH-are formed after the liquid ammonia is dissolved in the water, the solution is alkaline, and the solution can not coexist with acetaldehyde, acrolein, boron and other substances and is decomposed into ammonia and hydrogen at high temperature. Liquid ammonia is widely applied in industry, has corrosiveness and is easy to volatilize, so the chemical accident rate is high; liquid ammonia is owing to have corrosivity and easy volatile characteristic, the manual work is washd the inside of liquid ammonia holding vessel and is had great safety risk, consequently, need adopt automatic cleaning device to wash the inside of hydraulic pressure holding vessel, the liquid ammonia holding vessel divide into vertical and horizontal, it is comparatively simple to horizontal washing, nevertheless vertical liquid ammonia holding vessel is because the restriction of height, requirement to belt cleaning device is higher, current belt cleaning device can't wash the inside of liquid ammonia holding vessel, the use that leads to vertical liquid ammonia holding vessel receives great restriction.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides an internal cleaning device for a liquid ammonia storage tank, which is convenient for cleaning the interior of a vertical tank body, improves the cleaning efficiency and ensures that the use of the vertical tank body is not limited.
The purpose of the invention is realized by the following technical scheme: an internal cleaning device of a liquid ammonia storage tank comprises a movable base, a tank outer wall clamping mechanism and a tank inner wall cleaning mechanism, wherein the tank outer wall clamping mechanism and the tank inner wall cleaning mechanism are arranged at the front end and the top of the movable base respectively, the tank outer wall clamping mechanism comprises a left arc-shaped clamping rod and a right arc-shaped clamping rod, the left arc-shaped clamping rod and the right arc-shaped clamping rod are arranged in a bilateral symmetry mode along the horizontal direction, one end of the left arc-shaped clamping rod and one end of the right arc-shaped clamping rod are hinged to the movable base, a plurality of left friction wheels are arranged on the inner side of the left arc-shaped clamping rod at equal intervals along the circumferential direction, a plurality of right friction wheels are arranged on the inner side of the right arc-shaped clamping rod at equal intervals along the circumferential direction, the axial directions of the right friction wheels and the left friction wheels are vertical, pressure sensors are arranged on the left friction wheels and the right friction wheels, two groups of walking wheels are arranged on the movable base in a rotating mode, the end face of the left arc-shaped clamping rod is provided with two groups of walking wheels, the walking wheels are respectively located above and below the left arc-shaped clamping rod, and the axial directions of the walking wheels are perpendicular to the axial direction of the left friction wheels;
jar inner wall wiper mechanism includes stand, mounting panel, elevating system and telescopic link, the vertical setting of stand and with it rotates to connect to remove the base, the top of stand is fixed with the mounting panel, install the bottom of mounting panel elevating system, elevating system keeps away from the one end of mounting panel is provided with the telescopic link, the telescopic link perpendicular to the stand, the telescopic link is kept away from elevating system's one end is provided with the cleaning ball.
Further, be provided with the drive chamber in the removal base, the front end of removing the base seted up with the communicating window in drive chamber, the one end of left side arc supporting rod is located the drive intracavity and through left articulated shaft with the removal base rotates to be connected, the one end of right side arc supporting rod is located the drive intracavity and through right articulated shaft with the removal base rotates to be connected, the other end of left side arc supporting rod and the other end of right side arc supporting rod all follow the window is worn out, all be provided with the gear on left side articulated shaft and the right articulated shaft, two the gear meshes mutually.
Furthermore, a worm and a worm wheel shaft are rotatably arranged in the driving cavity, a worm wheel is arranged on the worm wheel shaft and meshed with the worm, one end of the worm penetrates out of the movable base and is connected with a clamping motor in a transmission mode, and a straight gear is arranged on the worm wheel shaft and meshed with one of the gears.
Further, left side friction pulley is the same with the structure of right friction pulley, left side arc supporting rod is the same with the structure of right side arc clamping rod, left side friction pulley includes wheel body and friction rubber cover, the friction rubber ways is established on the wheel body, the mounting groove has been seted up to left side arc supporting rod's inboard, the last inner wall and the lower inner wall of mounting groove are followed left side arc supporting rod's the spout has all been seted up radially, the both ends of wheel body all are fixed with the sliding shaft, the sliding shaft slides and sets up in the spout, pressure sensor is located in the mounting groove, pressure sensor's probe with left side friction pulley contact.
Furthermore, two groups of walking grooves are formed in the front end of the movable base and correspond to two groups of walking wheels one to one, driving shafts are arranged in the walking grooves in a rotating mode, the walking wheels are sleeved on the driving shafts, and one of the driving shafts penetrates through the movable base and is connected with a servo motor in a transmission mode.
Further, be equipped with rotatory chamber in the mobile base, rotatory chamber is located the top in drive chamber, the bottom of stand is located rotatory intracavity and be provided with the stand worm wheel, it is provided with rotatory worm to rotate in the rotatory intracavity, rotatory worm with the meshing of stand worm wheel, the motor is installed to the lateral wall of mobile base, the output shaft of motor with the one end transmission of rotatory worm is connected.
Further, elevating system is the pneumatic cylinder of vertical setting, the cylinder body of pneumatic cylinder rotates and sets up on the mounting panel, the telescopic link includes dead lever and movable rod, the one end of dead lever with the telescopic shaft of pneumatic cylinder is connected, and the other end slides and wears to be equipped with the movable rod, the scavenging ball sets up on the movable rod, the dead lever internal rotation is provided with the lead screw, the movable rod thread bush is established on the lead screw.
Further, it is provided with the connecting axle to rotate on the mounting panel, the one end of connecting axle with the cylinder body of pneumatic cylinder is connected, and the other end is provided with first gear, first motor is installed at the top of mounting panel, the output shaft of first motor is provided with the second gear, second gear and first gear engagement, the dead lever is kept away from the one end of movable rod is provided with the second motor, the output shaft of second motor with lead screw transmission is connected.
Further, the one end that the movable rod was kept away from to the dead lever is formed with the ratchet chamber, the output shaft of second motor extends to the ratchet intracavity and is provided with first ratchet, the one end of lead screw extends to the ratchet intracavity is fixed with a telescopic cylinder, be provided with the second ratchet on the telescopic cylinder, the second ratchet with first ratchet meshing, the cover is equipped with the spring on the telescopic cylinder.
Furthermore, a water cavity is arranged in the cleaning ball, a plurality of water spraying holes communicated with the water cavity are formed in the outer wall of the cleaning ball, the cleaning ball is connected with a water inlet pipe, and brushes are densely arranged on the outer wall of the cleaning ball.
The beneficial effects of the invention are:
1. the left arc-shaped clamping rod and the right arc-shaped clamping rod are tightly held on the outer wall of the tank, at least one left friction wheel is in contact with the outer wall of the tank on the left arc-shaped clamping rod, at least one right friction wheel is in contact with the outer wall of the tank on the right arc-shaped clamping rod, the contact pressure of the left friction wheel and the right friction wheel is sensed through the pressure sensor, the friction force between the left friction wheel and the right friction wheel and the outer wall of the tank is improved through increasing the contact pressure, when the contact pressure reaches the preset pressure, the left arc-shaped clamping rod and the right arc-shaped clamping rod stop deflecting, the position of the cleaning device is stabilized, when the cleaning device needs to be moved to change the cleaning position, the contact pressure between the left friction wheel and the outer wall of the tank is properly reduced, the walking wheels are started, the walking wheels drive the moving base to move along the height direction of the storage tank, so that the cleaning mechanism for the inner wall of the tank is brought to the top of the storage tank, the cleaning mechanism for the inner wall can stretch into the tank from the opening at the top of the tank to clean, the height difficulty of the vertical tank is overcome, the automatic cleaning of the vertical tank is realized, and the cleaning efficiency is improved.
2. The diameter change through flexible in order to adapt to jar inner wall of telescopic link, make the ball cleaner of wash laminating jar inner wall wash, guarantee to have better cleaning performance, for avoiding telescopic link and jar wall to produce the interference damage jar body or belt cleaning device, be equipped with ratchet, after ball cleaner and jar inner wall offset, under the prerequisite of second motor continuation work, the removal of movable rod receives the restriction, make the movable rod receive the extrusion force, thereby make second ratchet compression spring drive telescopic cylinder shrink, and then make first ratchet and second ratchet separation, make the second motor be in idle running state, avoid the movable rod to continuously apply effort and jar inner wall contact, guarantee jar body and belt cleaning device not receive the damage.
Drawings
FIG. 1 is a perspective view of an internal cleaning apparatus for a liquid ammonia storage tank according to the present invention;
FIG. 2 is a schematic diagram of the internal structure of a driving chamber of an internal cleaning device for a liquid ammonia storage tank according to the present invention;
FIG. 3 is a partial schematic view of a right arc-shaped clamping rod of an internal cleaning device for a liquid ammonia storage tank according to the present invention;
FIG. 4 is a schematic view of the internal structure of the telescopic rod of the internal cleaning apparatus for a liquid ammonia storage tank according to the present invention;
FIG. 5 is a schematic diagram showing the internal structure of a spin chamber of an internal cleaning apparatus for a liquid ammonia storage tank according to the present invention;
FIG. 6 is a schematic structural diagram of a left friction wheel 4 of an internal cleaning device of a liquid ammonia storage tank according to the present invention;
in the figure, 1-moving base, 2-left arc clamping rod, 3-right arc clamping rod, 4-left friction wheel, 5-right friction wheel, 6-pressure sensor, 7-traveling wheel, 8-upright post, 9-mounting plate, 10-telescopic rod, 11-cleaning ball, 12-driving chamber, 13-window, 14-left hinged shaft, 15-right hinged shaft, 16-gear, 17-worm, 18-worm wheel, 19-clamping motor, 20-wheel body, 21-friction rubber sleeve, 22-mounting groove, 23-sliding groove, 24-sliding shaft, 25-traveling groove, 26-driving shaft, 27-servo motor, 28-rotating chamber, 29-upright worm wheel, 30-rotating worm, 31-motor, 32-hydraulic cylinder, 33-fixing rod, 34-movable rod, 35-screw rod, 36-motor, 37-first gear, 38-first motor, 39-second gear, 40-second motor, 41-water inlet pipe, 42-connecting shaft, 43-ratchet chamber, 44-ratchet barrel, 45-straight gear, 46-straight gear, and brush.
Detailed Description
The technical solutions of the present invention are further described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following.
As shown in fig. 1 to 6, an internal cleaning device for a liquid ammonia storage tank comprises a movable base 1, a tank outer wall clamping mechanism and a tank inner wall cleaning mechanism, wherein the tank outer wall clamping mechanism and the tank inner wall cleaning mechanism are respectively arranged at the front end and the top of the movable base 1, the tank outer wall clamping mechanism comprises a left arc-shaped clamping rod 2 and a right arc-shaped clamping rod 3, the left arc-shaped clamping rod 2 and the right arc-shaped clamping rod 3 are bilaterally and symmetrically arranged along the horizontal direction, one end of the left arc-shaped clamping rod 2 and one end of the right arc-shaped clamping rod 3 are both hinged with the movable base 1, wherein the rotating direction of the left arc-shaped clamping rod 2 is opposite to that of the right arc-shaped clamping rod 2, a plurality of left friction wheels 4 are equidistantly arranged on the inner side of the left arc-shaped clamping rod 2 along the circumferential direction, a plurality of right friction wheels 5 are equidistantly arranged on the inner side of the right arc-shaped clamping rod 3 along the circumferential direction, the right friction wheels 5 and the left friction wheels 4 are both in the vertical direction, pressure sensors 6 are arranged on the left friction wheels 4 and the right friction wheels 5, each left friction wheel 4 and each left friction wheel 5, and each of the left friction wheel 5 is arranged above the corresponding to two sets of the movable base 2, and two sets of the movable base 7 of the movable base 2, and two sets of the movable wheels 7 of the movable base 1; the bottom of the movable base 1 is provided with a traveling mechanism for driving the whole cleaning device to travel on the ground, the movable base 1 drives the cleaning device to move to the position near the tank body, the left arc-shaped clamping rod 2 and the right arc-shaped clamping rod 3 rotate to enable a space larger than the diameter of the tank body to be formed between the left arc-shaped clamping rod 2 and the right arc-shaped clamping rod 3, then the movable base 1 moves close to the tank body to enable a traveling wheel 7 to be in contact with the outer wall of the tank, at the moment, the left arc-shaped clamping rod 2 and the right arc-shaped clamping rod 3 rotate close to the tank body, the left arc-shaped clamping rod 2 and the right arc-shaped clamping rod 3 are tightly held on the outer wall of the tank, at least one left friction wheel 4 on the left arc-shaped clamping rod 2 is in contact with the outer wall of the tank, at least one right friction wheel 5 on the right arc-shaped clamping rod 3 is in contact with the outer wall of the tank, and the pressure sensor 6 senses the contact pressure of the corresponding left friction wheel 4 and the right friction wheel 5, the quantity of the left friction wheel 4 and the right friction wheel 5 which are contacted with the tank body is sensed, the contact pressure is increased to improve the friction force between the left friction wheel and the right friction wheel and the outer wall of the tank, the contact pressure is designed according to the weight of the cleaning device, the friction force generated by the contact pressure is larger than the gravity of the cleaning device, when the contact pressure reaches the preset pressure, the left arc-shaped clamping rod 2 and the right arc-shaped clamping rod 3 stop deflecting, so that the position of the cleaning device is stabilized, when the cleaning device needs to be moved to change the cleaning position, the contact pressure between the left friction wheel and the right friction wheel and the outer wall of the tank is properly reduced, the cleaning device is ensured not to slide down from the tank body, the travelling wheels 7 are started, the travelling base 1 is driven to move along the height direction of the storage tank by the travelling wheels 7, so that the cleaning mechanism on the inner wall of the tank is brought to the top of the storage tank, so that the cleaning mechanism on the inner wall of the tank can extend into the tank from the opening on the top to clean, the height difficulty of the vertical tank body is overcome, the automatic cleaning of the vertical tank is realized, and the cleaning efficiency is improved; it is worth noting that the right friction wheel 5 and the left friction wheel 4 are both in the vertical direction, so that no sliding friction exists between the right friction wheel 5 and the tank body and between the left friction wheel 4 and the tank body, and the friction force can be effectively increased. The tank inner wall cleaning mechanism comprises a stand column 8, a mounting plate 9, a lifting mechanism and a telescopic rod 10, wherein the stand column 8 is vertically arranged and is rotatably connected with a movable base 1, the mounting plate 9 is fixed at the top of the stand column 8, the lifting mechanism is mounted at the bottom of the mounting plate 9, the telescopic rod 10 is arranged at one end, far away from the mounting plate 9, of the lifting mechanism, the telescopic rod 10 is perpendicular to the stand column 8, and a cleaning ball 11 is arranged at one end, far away from the tank body, of the telescopic rod 10; as shown in fig. 1, wherein two sets of walking grooves 25 are formed in the front end of the movable base 1, the two sets of walking grooves 25 correspond to the two sets of walking wheels 7 one by one, driving shafts 26 are rotatably arranged in the walking grooves 25, the walking wheels 7 are sleeved on the driving shafts 26, one of the driving shafts 26 penetrates through the movable base 1 and is in transmission connection with a servo motor 27, the driving shaft 26 is driven to rotate by the servo motor 27, and the driving shaft 26 drives the walking wheels 7 thereon to rotate, so that the cleaning device is driven to move along the height direction of the tank body. During concrete implementation, belt cleaning device's size corresponds the setting according to the size of liquid ammonia holding vessel, and on the one hand can be fine carry out abluent the liquid ammonia holding vessel in the time, on the other hand guarantees that the holding vessel can bear the weight of the belt cleaning device who corresponds with it, avoids appearing great belt cleaning device centre gripping on the less holding vessel of size, leads to overcoming the contact pressure condition of crushing jar outer wall that belt cleaning device gravity was applyed.
Further, as shown in fig. 2, a driving cavity 12 is provided in the moving base 1, a window 13 communicating with the driving cavity 12 is provided at the front end of the moving base 1, one end of the left arc-shaped clamping rod 2 is located in the driving cavity 12 and is rotatably connected with the moving base 1 through a left hinge shaft 14, one end of the right arc-shaped clamping rod 3 is located in the driving cavity 12 and is rotatably connected with the moving base 1 through a right hinge shaft 15, the other end of the left arc-shaped clamping rod 2 and the other end of the right arc-shaped clamping rod 3 both penetrate out of the window 13, gears 16 are provided on the left hinge shaft 14 and the right hinge shaft 15, the two gears 16 are engaged with each other, a worm 17 and a worm wheel shaft are rotatably provided in the driving cavity 12, a worm wheel 18 is provided on the worm wheel shaft, the worm wheel 18 is engaged with the worm 17, one end of the worm 17 penetrates out of the moving base 1 and is in transmission connection with a clamping motor 19, the straight gear 48 is arranged on the worm wheel shaft, the straight gear 48 is meshed with one gear 16, the clamping motor 19 drives the worm 17 to rotate, the worm 17 drives the worm wheel 18 to rotate, the worm wheel 18 drives the gear 48 on the worm wheel shaft to rotate, the straight gear 48 drives the gear 16 meshed with the straight gear 48 to rotate, so that the two meshed gears 16 rotate, the rotating directions of the two meshed cylindrical straight gears 16 are opposite, synchronous deflection of the left arc-shaped clamping rod 2 and the right arc-shaped clamping rod 3 is realized, the deflection directions are opposite, and the clamping limiting effect on the cleaning device is realized, wherein the transmission part adopts the worm wheel 18 to be meshed with the worm wheel 17, the self-locking function is realized, and the clamping positions of the left arc-shaped clamping rod 2 and the right arc-shaped clamping rod 3 can be effectively kept.
Further, as shown in fig. 2 and 3, the left friction wheel 4 and the right friction wheel 5 have the same structure, the left arc-shaped clamping rod 2 and the right arc-shaped clamping rod 3 have the same structure, the left friction wheel 4 comprises a wheel body 20 and a friction rubber sleeve 21, the friction rubber sleeve 21 is sleeved on the wheel body 20, when the friction rubber sleeve 21 is worn, the friction rubber sleeve 21 is convenient to replace, a mounting groove 22 is formed in the inner side of the left arc-shaped clamping rod 2, sliding grooves 23 are formed in the upper inner wall and the lower inner wall of the mounting groove 22 along the radial direction of the left arc-shaped clamping rod 2, sliding shafts 24 are fixed at two ends of the wheel body 20, the sliding shafts 24 are arranged in the sliding grooves 23 in a sliding manner, the pressure sensors 6 are located in the mounting groove 22, probes of the pressure sensors 6 are in contact with the left friction wheel 4, after the left friction wheel 4 and the right friction wheel 5 are in contact with the tank body, the corresponding pressure sensors 6 generate signals, so that the contact quantity of the left friction wheel 4 and the right friction wheel 5 can be judged, and the contact quantity of the pressure can be enough to overcome the gravity of the cleaning device of the left friction wheel 4 and the right friction wheel 5.
Further, as shown in fig. 4 and 5, a rotating cavity 28 is arranged in the moving base 1, the rotating cavity 28 is located above the driving cavity 12, the bottom of the upright post 8 is located in the rotating cavity 28 and is provided with an upright post worm gear 29, a rotating worm 30 is rotatably arranged in the rotating cavity 28, the rotating worm 30 is meshed with the upright post worm gear 29, a motor 31 is mounted on the side wall of the moving base 1, an output shaft of the motor 31 is in transmission connection with one end of the rotating worm 30, the rotating worm 30 is driven by the motor 31 to rotate, and the rotating worm 30 drives the upright post worm gear 29 to rotate, so that the upright post 8 is driven to rotate, and the position switching of the tank inner wall cleaning mechanism is realized; the lifting mechanism is a hydraulic cylinder 32 which is vertically arranged, the cylinder body of the hydraulic cylinder 32 is rotatably arranged on the mounting plate 9, the telescopic rod 10 comprises a fixed rod 33 and a movable rod 34, one end of the fixed rod 33 is connected with the telescopic shaft of the hydraulic cylinder 32, the other end of the fixed rod is slidably penetrated with the movable rod 34, the cleaning ball 11 is arranged on the movable rod 34, a screw rod 35 is rotatably arranged in the fixed rod 33, the movable rod 34 is sleeved on the screw rod 35 in a threaded manner, the telescopic tank of the cleaning ball 11 is driven by the extension of the hydraulic cylinder 32 to clean, in the cleaning process, the travelling wheel 7 can drive the whole cleaning device to move downwards, the cleaning ball 11 moves along the height direction of the tank body, thereby the length setting of the hydraulic cylinder 32 can be shortened, a connecting shaft 36 is rotatably arranged on the mounting plate 9, one end of the connecting shaft 36 is connected with the cylinder body of the hydraulic cylinder 32, and the other end is provided with a first gear 37, the top of mounting panel 9 is installed first motor 38, the output shaft of first motor 38 is provided with second gear 39, second gear 39 meshes with first gear 37, the one end that dead lever 33 kept away from movable rod 34 is provided with second motor 40, the output shaft of second motor 40 is connected with lead screw 35 transmission, second motor 40 drives lead screw 35 and rotates, movable rod 34 is owing to with dead lever 33 sliding connection, its rotational degree of freedom is restricted, make movable rod 34 along the axial displacement of lead screw 35, realize the flexible of telescopic link 10, make the inner wall of the cleaning ball 11 laminating jar body wash through the flexible of telescopic link 10, drive second gear 39 through first motor 38 and rotate, drive pneumatic cylinder 32 through the meshing of second gear 39 with first gear 37 and rotate, thereby drive cleaning ball 11 and rotate, realize washing the circumferencial direction of the jar body under same height.
Further, as shown in fig. 4, a ratchet cavity 43 is formed at one end of the fixed rod 33 far away from the movable rod 34, an output shaft of the second motor 40 extends into the ratchet cavity 43 and is provided with a first ratchet 44, an end of the lead screw 35 extends into the ratchet cavity 43 and is fixed with a telescopic cylinder 45, the telescopic cylinder 45 is provided with a second ratchet 46, the second ratchet 46 is meshed with the first ratchet 44, a spring 47 is sleeved on the telescopic cylinder 45, the telescopic rod 10 extends and retracts to adapt to the diameter change of the inner wall of the tank, so that the cleaning ball 11 is attached to the inner wall of the tank for cleaning, a good cleaning effect is ensured, in order to prevent the telescopic rod 10 and the tank wall from generating interference and damaging the tank or the cleaning device, a ratchet mechanism is provided, after the cleaning ball 11 abuts against the inner wall of the tank, under the premise that the second motor 40 continues to work, the movement of the movable rod 34 is limited, so that the movable rod 34 is subjected to extrusion force, the second ratchet 46 compresses the spring 47 to drive the telescopic cylinder 45 to retract, and further separate the first ratchet 44 from the second ratchet 46, so that the second motor 40 is in a continuous state, the movable rod 34 is prevented from contacting with the tank and the cleaning device from being damaged.
Further, as shown in fig. 1, a water cavity is provided in the cleaning ball 11, a plurality of water spray holes communicated with the water cavity are provided on the outer wall of the cleaning ball 11, the cleaning ball 11 is connected with a water inlet pipe 41, brushes 42 are densely provided on the outer wall of the cleaning ball 11, the water inlet pipe 41 is connected with an external water source, water is sprayed on the tank wall through the water spray holes, and the tank wall is scrubbed through the brushes 42.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "two ends", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention; and those skilled in the art will appreciate that the benefits to be achieved by the present invention are only better than those achieved by current embodiments of the prior art under certain circumstances, rather than the best use directly in the industry.
The foregoing is illustrative of the preferred embodiments of this invention, and it is to be understood that the invention is not limited to the precise form disclosed herein and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the concept as disclosed herein, either as described above or as apparent to those skilled in the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. An internal cleaning device of a liquid ammonia storage tank is characterized by comprising a movable base (1), a tank outer wall clamping mechanism and a tank inner wall cleaning mechanism, the tank outer wall clamping mechanism and the tank inner wall cleaning mechanism are respectively arranged at the front end and the top of the movable base (1), the tank outer wall clamping mechanism comprises a left arc-shaped clamping rod (2) and a right arc-shaped clamping rod (3), the left arc-shaped clamping rod (2) and the right arc-shaped clamping rod (3) are arranged symmetrically left and right along the horizontal direction, one end of the left arc-shaped clamping rod (2) and one end of the right arc-shaped clamping rod (3) are both hinged with the movable base (1), a plurality of left friction wheels (4) are arranged on the inner side of the left arc-shaped clamping rod (2) at equal intervals along the circumferential direction of the left arc-shaped clamping rod, a plurality of right friction wheels (5) are arranged on the inner side of the right arc-shaped clamping rod (3) at equal intervals along the circumferential direction of the right arc-shaped clamping rod, the axial directions of the right friction wheel (5) and the left friction wheel (4) are vertical, the left friction wheel (4) and the right friction wheel (5) are both provided with a pressure sensor (6), the end surface of the movable base (1) provided with the left arc-shaped clamping rod (2) is rotatably provided with two groups of walking wheels (7), the two groups of walking wheels (7) are respectively positioned above and below the left arc-shaped clamping rod (2), the axial direction of the travelling wheel (7) is vertical to the axial direction of the left friction wheel (4);
jar inner wall wiper mechanism includes stand (8), mounting panel (9), elevating system and telescopic link (10), stand (8) vertical setting and with remove base (1) and rotate the connection, the top of stand (8) is fixed with mounting panel (9), install the bottom of mounting panel (9) elevating system, elevating system keeps away from the one end of mounting panel (9) is provided with telescopic link (10), telescopic link (10) perpendicular to stand (8), telescopic link (10) are kept away from elevating system's one end is provided with cleaning ball (11).
2. The inside cleaning device for the liquid ammonia storage tank according to claim 1, wherein a driving cavity (12) is arranged in the movable base (1), a window (13) communicated with the driving cavity (12) is formed in the front end of the movable base (1), one end of the left arc-shaped clamping rod (2) is located in the driving cavity (12) and is rotatably connected with the movable base (1) through a left hinge shaft (14), one end of the right arc-shaped clamping rod (3) is located in the driving cavity (12) and is rotatably connected with the movable base (1) through a right hinge shaft (15), the other end of the left arc-shaped clamping rod (2) and the other end of the right arc-shaped clamping rod (3) both penetrate through the window (13), gears (16) are arranged on the left hinge shaft (14) and the right hinge shaft (15), and the two gears (16) are meshed.
3. The internal cleaning device for the liquid ammonia storage tank is characterized in that a worm (17) and a worm gear shaft are arranged in the driving cavity (12) in a rotating mode, a worm gear (18) is arranged on the worm gear shaft, the worm gear (18) is meshed with the worm (17), one end of the worm (17) penetrates through the movable base (1) and is connected with a clamping motor (19) in a transmission mode, a straight gear (48) is arranged on the worm gear shaft, and the straight gear (48) is meshed with one gear (16).
4. The internal cleaning device for the liquid ammonia storage tank according to claim 1, wherein the left friction wheel (4) and the right friction wheel (5) have the same structure, the left arc-shaped clamping rod (2) and the right arc-shaped clamping rod (3) have the same structure, the left friction wheel (4) comprises a wheel body (20) and a friction rubber sleeve (21), the friction rubber sleeve (21) is sleeved on the wheel body (20), an installation groove (22) is formed in the inner side of the left arc-shaped clamping rod (2), sliding grooves (23) are formed in the radial direction of the left arc-shaped clamping rod (2) along the upper inner wall and the lower inner wall of the installation groove (22), sliding shafts (24) are fixed at two ends of the wheel body (20), the sliding shafts (24) are slidably arranged in the sliding grooves (23), the pressure sensor (6) is located in the installation groove (22), and probes of the pressure sensor (6) are in contact with the left friction wheel (4).
5. The internal cleaning device for the liquid ammonia storage tank according to claim 1, wherein two sets of walking grooves (25) are formed in the front end of the moving base (1), the two sets of walking grooves (25) correspond to the two sets of walking wheels (7) one by one, driving shafts (26) are rotatably arranged in the walking grooves (25), the walking wheels (7) are sleeved on the driving shafts (26), and one of the driving shafts (26) penetrates through the moving base (1) to be connected with a servo motor (27) in a transmission manner.
6. The inside cleaning device for the liquid ammonia storage tank according to claim 2, wherein a rotating cavity (28) is arranged in the moving base (1), the rotating cavity (28) is located above the driving cavity (12), the bottom of the upright (8) is located in the rotating cavity (28) and is provided with an upright worm gear (29), a rotating worm (30) is rotationally arranged in the rotating cavity (28), the rotating worm (30) is meshed with the upright worm gear (29), a motor (31) is mounted on the side wall of the moving base (1), and an output shaft of the motor (31) is in transmission connection with one end of the rotating worm (30).
7. The internal cleaning device for the liquid ammonia storage tank according to claim 6, wherein the lifting mechanism is a vertically arranged hydraulic cylinder (32), the cylinder body of the hydraulic cylinder (32) is rotatably arranged on the mounting plate (9), the telescopic rod (10) comprises a fixed rod (33) and a movable rod (34), one end of the fixed rod (33) is connected with the telescopic shaft of the hydraulic cylinder (32), the other end of the fixed rod is slidably provided with the movable rod (34), the cleaning ball (11) is arranged on the movable rod (34), a screw rod (35) is rotatably arranged in the fixed rod (33), and the movable rod (34) is sleeved on the screw rod (35) in a threaded manner.
8. The internal cleaning device for the liquid ammonia storage tank as recited in claim 7, wherein a connecting shaft (36) is rotatably disposed on the mounting plate (9), one end of the connecting shaft (36) is connected with the cylinder body of the hydraulic cylinder (32), the other end of the connecting shaft is provided with a first gear (37), a first motor (38) is mounted on the top of the mounting plate (9), an output shaft of the first motor (38) is provided with a second gear (39), the second gear (39) is meshed with the first gear (37), one end of the fixed rod (33) far away from the movable rod (34) is provided with a second motor (40), and an output shaft of the second motor (40) is in transmission connection with the screw rod (35).
9. The internal cleaning device for the liquid ammonia storage tank according to claim 8, wherein a ratchet cavity (43) is formed at one end of the fixed rod (33) far away from the movable rod (34), the output shaft of the second motor (40) extends into the ratchet cavity (43) and is provided with a first ratchet (44), a telescopic cylinder (45) is fixed in the ratchet cavity (43) and extends to one end of the lead screw (35), a second ratchet (46) is arranged on the telescopic cylinder (45), the second ratchet (46) is meshed with the first ratchet (44), and a spring (47) is sleeved on the telescopic cylinder (45).
10. The internal cleaning device for the liquid ammonia storage tank according to claim 1, wherein a water cavity is arranged in the cleaning ball (11), a plurality of water spray holes communicated with the water cavity are formed in the outer wall of the cleaning ball (11), the cleaning ball (11) is connected with a water inlet pipe (41), and brushes (42) are densely arranged on the outer wall of the cleaning ball (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210874281.8A CN115254851B (en) | 2022-07-21 | 2022-07-21 | Inside belt cleaning device of liquid ammonia holding vessel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210874281.8A CN115254851B (en) | 2022-07-21 | 2022-07-21 | Inside belt cleaning device of liquid ammonia holding vessel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115254851A true CN115254851A (en) | 2022-11-01 |
| CN115254851B CN115254851B (en) | 2023-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210874281.8A Active CN115254851B (en) | 2022-07-21 | 2022-07-21 | Inside belt cleaning device of liquid ammonia holding vessel |
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| Country | Link |
|---|---|
| CN (1) | CN115254851B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3584790A (en) * | 1968-01-09 | 1971-06-15 | Dasic Equipment Ltd | Oil tank washing machine |
| CN106391533A (en) * | 2016-06-22 | 2017-02-15 | 国网山东省电力公司龙口市供电公司 | Automatic electric pole cleaning equipment |
| CN209049865U (en) * | 2018-11-22 | 2019-07-02 | 江苏科林泰电子有限公司 | Phospholipid processing and cleaning device capable of being recycled |
| CN214321208U (en) * | 2020-11-20 | 2021-10-01 | 安徽凯瑞捷成新材料科技有限公司 | Coating production is with silo washing device |
| US11213119B1 (en) * | 2019-12-17 | 2022-01-04 | Nasir Mohammed | Cup holder cleaning tool |
| CN215783276U (en) * | 2021-09-01 | 2022-02-11 | 大连澳特钴镍新材料制造有限公司 | Cobalt nitrate preparation reaction elevated tank |
-
2022
- 2022-07-21 CN CN202210874281.8A patent/CN115254851B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3584790A (en) * | 1968-01-09 | 1971-06-15 | Dasic Equipment Ltd | Oil tank washing machine |
| CN106391533A (en) * | 2016-06-22 | 2017-02-15 | 国网山东省电力公司龙口市供电公司 | Automatic electric pole cleaning equipment |
| CN209049865U (en) * | 2018-11-22 | 2019-07-02 | 江苏科林泰电子有限公司 | Phospholipid processing and cleaning device capable of being recycled |
| US11213119B1 (en) * | 2019-12-17 | 2022-01-04 | Nasir Mohammed | Cup holder cleaning tool |
| CN214321208U (en) * | 2020-11-20 | 2021-10-01 | 安徽凯瑞捷成新材料科技有限公司 | Coating production is with silo washing device |
| CN215783276U (en) * | 2021-09-01 | 2022-02-11 | 大连澳特钴镍新材料制造有限公司 | Cobalt nitrate preparation reaction elevated tank |
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| Publication number | Publication date |
|---|---|
| CN115254851B (en) | 2023-09-29 |
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