CN110657139A - Long service life's high accuracy hydraulic hoist - Google Patents
Long service life's high accuracy hydraulic hoist Download PDFInfo
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- CN110657139A CN110657139A CN201910971419.4A CN201910971419A CN110657139A CN 110657139 A CN110657139 A CN 110657139A CN 201910971419 A CN201910971419 A CN 201910971419A CN 110657139 A CN110657139 A CN 110657139A
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- storage box
- hydraulic hoist
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/08—Servomotor systems incorporating electrically operated control means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/044—Removal or measurement of undissolved gas, e.g. de-aeration, venting or bleeding
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- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Actuator (AREA)
Abstract
The invention relates to a high-precision hydraulic hoist with long service life, which comprises a driving device, a hydraulic cylinder, a pipeline, a storage box, a cleaning mechanism, a bubble removing mechanism and a central control mechanism, wherein the cleaning mechanism comprises a first driving assembly, a cylinder, a lifting rod, a connecting assembly, a movable plate, a limiting plate, a cleaning plate, two through holes and two rubber blocks, the bubble removing mechanism comprises a third driving assembly, a distance sensor, a second driving assembly, a supporting rod, a sliding block, a driving motor, a bubble removing rod, a second spring and an ultrasonic generator, in the high-precision hydraulic hoist with long service life, the accumulated part of oil stain at the bottom of the storage box can be isolated through the cleaning mechanism, the probability of oil stain diffusion in the cleaning process is reduced, the cleaning effect is improved, air in power oil can be effectively separated through the bubble removing mechanism, therefore, the content of power oil and air is reduced, and the accuracy of stroke control of the hydraulic cylinder is improved.
Description
Technical Field
The invention relates to the field of hydraulic opening and closing machines, in particular to a high-precision hydraulic opening and closing machine with long service life.
Background
The hydraulic hoist generally comprises a hydraulic system and a hydraulic cylinder, under the control of the hydraulic system, a piston in the hydraulic cylinder makes axial reciprocating motion along the inner wall, so that a connecting rod and a gate connected to the piston are driven to make linear motion, and the purpose of opening and closing an orifice is achieved.
After long-time use of hydraulic hoist, the inside of storage box will deposit a large amount of greasy dirt, if untimely clear up the greasy dirt, the greasy dirt will get into the inside of pneumatic cylinder along with the power oil together, thereby cause the wearing and tearing of pneumatic cylinder piston, reduce the sealing performance of piston, and when the greasy dirt was cleared up, if direct clearance will lead to the greasy dirt to spread the inside of power oil, the effect of clearance has been reduced, moreover, the power oil is at the in-process that uses, the inside of power oil will sneak into the air, lead to the inside gassing of power oil, thereby the precision of the pneumatic cylinder of hydraulic hoist has been reduced.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the high-precision hydraulic hoist with long service life is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows: a high-precision hydraulic hoist with long service life comprises a driving device, a hydraulic cylinder, a pipeline and a storage box, wherein the driving device is arranged above the storage box, one end of the pipeline is connected with the driving device, the hydraulic cylinder is connected with the other end of the pipeline, the hydraulic hoist further comprises a dirt cleaning mechanism, a bubble removing mechanism and a central control mechanism, the dirt cleaning mechanism is arranged inside the storage box, the bubble removing mechanism is arranged on the dirt cleaning mechanism, the central control mechanism is arranged above the storage box, and the bubble removing mechanism and the dirt cleaning mechanism are both electrically connected with the central control mechanism;
the dirt cleaning mechanism comprises a first driving assembly, an air cylinder, a lifting rod, a connecting assembly, a movable plate, a limiting plate, a cleaning plate, two through holes and two rubber blocks, the air cylinder is vertically arranged, the upper end of the air cylinder is hinged to the top of the inner wall of the storage box, the lifting rod is horizontally arranged below the air cylinder, the two rubber blocks are respectively arranged below two ends of the lifting rod, the movable plate is arranged below the lifting rod through the connecting assembly, the two through holes are respectively arranged on two sides of the movable plate, the two rubber blocks are respectively arranged above the two through holes, the first driving assembly is arranged at the bottom of the inner wall of the storage box, the cleaning plate is connected with the first driving assembly, the limiting plate is arranged above the first driving assembly, the middle of the limiting plate is provided with an opening matched with the movable plate, one side below the storage box is provided with a sewage discharge outlet, one side of the sewage draining outlet is provided with a valve;
the connecting assembly comprises a first spring, two moving blocks and two transmission rods, a through hole is formed in each of the two moving blocks, two ends of the lifting rod penetrate through the two moving blocks respectively, one ends of the two transmission rods are hinged to the two moving blocks respectively, the other ends of the two transmission rods are hinged to the center of the moving plate, the first spring is arranged vertically, one end of the first spring is arranged in the middle of the lifting rod, and the other end of the first spring is arranged in the center of the moving plate;
the bubble removing mechanism comprises a third driving component, a distance sensor, a second driving component, a supporting rod, a sliding block, a driving motor, a bubble removing rod, a second spring and an ultrasonic generator, wherein the supporting rod is horizontally arranged on one side of the upper end of the cylinder body of the cylinder, a through hole is formed in the sliding block, the supporting rod penetrates through the sliding block, the driving motor is arranged on one side of the lower side of the sliding block, the bubble removing rod is arranged below the driving motor, the driving motor is in transmission connection with the bubble removing rod, the ultrasonic generator (32) is arranged on the other side of the lower side of the sliding block, the third driving component is arranged on the cylinder body of the cylinder, the third driving component is connected with the sliding block, the third driving component and the supporting rod are positioned at the same horizontal height, the second driving component is arranged at the hinged position of the inner wall of the cylinder, the second spring is sleeved on the supporting rod, the second spring is arranged between the cylinder body of the air cylinder and the sliding block, and the distance sensor is arranged at the top of the inner wall of the storage box;
the driving device is provided with a signal indicating module which comprises a signal indicating circuit, the signal indicating circuit comprises a solid-state relay U2, a switch S1, an eighth resistor R8, a capacitor C1 and an indicator light EL, the positive input end of the solid-state relay U2 is connected with the switch S1 through an eighth resistor R8, the positive output end of the solid-state relay U2 is connected with the switch S1 and the eighth resistor R8 respectively, the positive input end of the solid-state relay U2 is connected with the negative input end of the solid-state relay U2 through a capacitor C1, and the negative input end of the solid-state relay U2 and the negative output end of the solid-state relay U2 are connected with the indicator light EL.
Preferably, in order to provide power for the movement of the cleaning plate, the first driving assembly comprises a screw rod and a motor, the motor is arranged on one side, far away from the oil outlet, of the bottom of the inner wall of the storage box, the motor is in transmission connection with the screw rod, a through hole is formed in the cleaning plate, the cleaning plate is sleeved on the screw rod, and the screw rod is in threaded connection with the cleaning plate.
Preferably, in order to provide power for the rotation of the cylinder, the second driving assembly comprises a first driving gear, a motor and a second driving gear, the first driving gear is sleeved at the upper end of the cylinder, the motor is arranged at the top of the inner wall of the storage box, the second driving gear is arranged below the motor, the motor is in transmission connection with the second driving gear, and the second driving gear is meshed with the first driving gear.
Preferably, in order to provide power for the movement of the sliding block, the third driving assembly comprises a motor, a rotating disc and a connecting wire, the motor is arranged on the cylinder body of the air cylinder, the motor is in transmission connection with the rotating disc, one end of the connecting wire is wound on the periphery of the rotating disc, and the other end of the connecting wire is arranged on the sliding block.
Preferably, in order to improve the intelligent degree of the hydraulic hoist, the central control mechanism comprises a control box and at least two buttons, each button is arranged on the control box, a PLC and a wireless signal transceiver module are further arranged inside the control box, and the buttons and the wireless signal transceiver module are electrically connected with the PLC.
Preferably, the cleaning plate is made of rubber to improve the dirt removing effect of the cleaning plate.
Preferably, in order to improve the accuracy of the cylinder control, the cylinder is an electronic cylinder.
Preferably, the button is a touch key in order to increase the sensitivity of the button.
Preferably, in order to prolong the service life of the hydraulic hoist, the outer surface of the hydraulic cylinder is further coated with an anti-corrosion coating.
Preferably, in order to improve the sealing performance between the moving plate and the limiting plate, the horizontal section of the moving plate is circular.
The invention has the advantages that in the high-precision hydraulic hoist with long service life, the accumulated part of the oil stain at the bottom of the storage box can be isolated through the dirt removing mechanism, and then the oil stain is removed completely, so that the probability that the oil stain is diffused into the power oil in the dirt removing process is reduced, and the dirt removing effect is improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural diagram of a long-life high-precision hydraulic hoist according to the present invention;
FIG. 2 is a schematic structural diagram of a dirt removing mechanism of the long-service-life high-precision hydraulic hoist of the invention;
FIG. 3 is a schematic structural diagram of a defoaming mechanism of the long-service-life high-precision hydraulic hoist of the invention;
FIG. 4 is a schematic structural diagram of a central control mechanism of the long-service-life high-precision hydraulic hoist of the present invention;
FIG. 5 is a schematic circuit diagram of the long life high precision hydraulic hoist of the present invention;
in the figure: 1. the device comprises a driving device, 2, a hydraulic cylinder, 3, a pipeline, 4, a storage box, 5, a distance sensor, 6, an air cylinder, 7, a first driving gear, 8, a motor, 9, a second driving gear, 10, a lifting rod, 11, a motor, 12, a cleaning plate, 13, a rubber block, 14, a moving block, 15, a first spring, 16, a transmission rod, 17, a moving plate, 18, a through hole, 19, a lead screw, 20, a limiting plate, 21, a valve, 22, a motor, 23, a rotating disc, 24, a connecting wire, 25, a second spring, 26, a sliding block, 27, a supporting rod, 28, a driving motor, 29, a bubble removing rod, 30, a button, 31, a control box and 32, and an ultrasonic generator.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1, a high-precision hydraulic hoist with a long service life comprises a driving device 1, a hydraulic cylinder 2, a pipeline 3 and a storage box 4, wherein the driving device 1 is arranged above the storage box 4, one end of the pipeline 3 is connected with the driving device 1, the hydraulic cylinder 2 is connected with the other end of the pipeline 3, the hydraulic hoist further comprises a dirt cleaning mechanism, a bubble removing mechanism and a central control mechanism, the dirt cleaning mechanism is arranged inside the storage box 4, the bubble removing mechanism is arranged on the dirt cleaning mechanism, the central control mechanism is arranged above the storage box 4, and the bubble removing mechanism and the dirt cleaning mechanism are both electrically connected with the central control mechanism;
as shown in fig. 2, the dirt removing mechanism includes a first driving assembly, a cylinder 6, a lifting rod 10, a connecting assembly, a moving plate 17, a limiting plate 20, a cleaning plate 12, two through holes 18 and two rubber blocks 13, the cylinder 6 is vertically arranged, the upper end of the cylinder 6 is hinged to the top of the inner wall of the storage box 4, the lifting rod 10 is horizontally arranged below the cylinder 6, the two rubber blocks 13 are respectively arranged below two ends of the lifting rod 10, the moving plate 17 is arranged below the lifting rod 10 through the connecting assembly, the two through holes 18 are respectively arranged on two sides of the moving plate 17, the two rubber blocks 13 are respectively arranged above the two through holes 18, the first driving assembly is arranged at the bottom of the inner wall of the storage box 4, the cleaning plate 12 is connected with the first driving assembly, the limiting plate 20 is arranged above the first driving assembly, the middle part of the limiting plate 20 is provided with an opening matched with the moving plate 17, a sewage draining outlet is formed in one side below the storage box 4, and a valve 21 is arranged on one side of the sewage draining outlet;
wherein, after the hydraulic hoist is used for a long time, a large amount of oil stains are deposited at the bottom of the storage box 4, the distance between the oil stains and the top of the storage box is detected by the distance sensor 5, then the distance sensor 5 sends a signal to the PLC, so that the thickness of the oil stains is calculated by the PLC, when the oil stains reach a certain thickness, the lifting rod 10 is driven by the air cylinder 6 to slowly descend under the control of the PLC, then the moving plate 17 is driven to slowly descend under the action of the connecting assembly, when the moving plate 17 descends, the power oil flows to the upper part of the moving plate 17 through the through holes 18, when the moving plate 17 is connected with the limiting plate 20, the moving plate 17 stops descending, then the two rubber blocks 13 are driven to respectively move towards the inner parts of the two through holes 18 under the action of the lifting rod 10, so that the lower part of, the inside of the power oil for preventing the oil stain from spreading in the process of cleaning the dirt is opened through a valve 21 controlled by a PLC, and then the cleaning plate 12 is driven to move leftwards through the first driving assembly, so that the oil stain at the bottom of the storage box 4 is discharged from the sewage discharge outlet through the cleaning plate 12, and the oil stain in the storage box 4 can be cleaned;
as shown in fig. 2, the connecting assembly includes a first spring 15, two moving blocks 14 and two transmission rods 16, a through hole is respectively formed inside each of the two moving blocks 14, two ends of the lifting rod 10 respectively penetrate through the two moving blocks 14, one end of each of the two transmission rods 16 is respectively hinged to the two moving blocks 14, the other end of each of the two transmission rods 16 is hinged to the center of the moving plate 17, the first spring 15 is vertically arranged, one end of the first spring 15 is arranged in the middle of the lifting rod 10, and the other end of the first spring 15 is arranged at the center of the moving plate 17;
in the process that the moving plate 17 descends, the stability of connection between the lifting rod 10 and the moving plate 17 is improved through the action of the two moving blocks 14 and the two transmission rods 16, and then the rubber block 13 is separated from the through hole 18 under the action of the first spring 15, so that power oil below the moving plate 17 can flow to the upper part of the moving plate 17 from the through hole 18;
as shown in fig. 3, the bubble removing mechanism includes a third driving assembly, a distance sensor 5, a second driving assembly, a supporting rod 27, a sliding block 26, a driving motor 28, a bubble removing rod 29, a second spring 25 and an ultrasonic generator 32, the supporting rod 27 is horizontally disposed on one side of the upper end of the cylinder body of the cylinder 6, a through hole is disposed inside the sliding block 26, the supporting rod 27 passes through the sliding block 26, the driving motor 28 is disposed on one side of the lower portion of the sliding block 26, the bubble removing rod 29 is disposed below the driving motor 28, the driving motor 28 is in transmission connection with the bubble removing rod 29, the ultrasonic generator 32 is disposed on the other side of the lower portion of the sliding block 26, the third driving assembly is disposed on the cylinder body of the cylinder 6, the third driving assembly is connected with the sliding block 26, and the third driving assembly and the supporting rod 27 are located at the same horizontal height, the second driving assembly is arranged at the hinged position of the air cylinder 6 and the inner wall of the storage box 4, the second spring 25 is sleeved on the supporting rod 27, the second spring 25 is arranged between the cylinder body of the air cylinder 6 and the sliding block 26, and the distance sensor 5 is arranged at the top of the inner wall of the storage box 4;
wherein, under the control of PLC, the cylinder 6 is driven to rotate by the second driving component, then the supporting rod 27 is driven to rotate by the cylinder 6, thereby the sliding block 26 is driven to rotate by the supporting rod 27, under the action of the third driving component, the sliding block 26 is driven to move left and right along the supporting rod 27, then the ultrasonic generator 32 below the sliding block 26 sends out ultrasonic waves, under the action of the ultrasonic waves, the power oil is vibrated, thereby the tiny bubbles in the power oil are separated out, meanwhile, the lifting rod 10 is driven to rotate by the cylinder 6, thereby the power oil is slowly stirred by the lifting rod 10, the tiny bubbles separated out in the power oil are lifted to the surface of the power oil, then the bubble removing rod 29 is driven to rotate by the driving motor 28, thereby the bubbles on the surface of the power oil are broken by the bubble removing rod 29, thereby the bubbles in the power oil can be removed, the control accuracy of the hydraulic cylinder 2 of the hydraulic hoist is improved;
the driving device 1 is provided with a signal indicating module, the signal indicating module comprises a signal indicating circuit, the signal indicating circuit comprises a solid-state relay U2, a switch S1, an eighth resistor R8, a capacitor C1 and an indicator light EL, the positive input end of the solid-state relay U2 is connected with the switch S1 through an eighth resistor R8, the positive output end of the solid-state relay U2 is respectively connected with the switch S1 and the eighth resistor R8, the positive input end of the solid-state relay U2 is connected with the negative input end of the solid-state relay U2 through a capacitor C1, and the negative input end of the solid-state relay U2 and the negative output end of the solid-state relay U2 are both connected with the indicator light EL;
in the signal indication circuit, the brightness of the indicator light EL is realized through the on-off of the solid-state relay U2, so that the phenomenon of electric shock and adhesion of the relay is avoided after long-term work, and the reliability of the system is improved.
As shown in fig. 2, the first driving assembly includes a screw rod 19 and a motor 11, the motor 11 is disposed on one side of the bottom of the inner wall of the storage box 4, which is far away from the oil outlet, the motor 11 is in transmission connection with the screw rod 19, a through hole is disposed inside the cleaning plate 12, the cleaning plate 12 is sleeved on the screw rod 19, and the screw rod 19 is in threaded connection with the cleaning plate 12;
wherein, the screw rod 19 is driven to rotate by the motor 11, and then the cleaning plate 12 is driven to move leftwards by the screw rod 19 under the mutual extrusion of the external thread on the screw rod 19 and the internal thread inside the cleaning plate 12, so that the oil stain at the bottom of the storage box 4 is discharged from the sewage discharge port by the cleaning plate 12.
As shown in fig. 3, the second driving assembly comprises a first driving gear 7, a motor 8 and a second driving gear 9, the first driving gear 7 is sleeved on the upper end of the cylinder 6, the motor 8 is arranged on the top of the inner wall of the storage box 4, the second driving gear 9 is arranged below the motor 8, the motor 8 is in transmission connection with the second driving gear 9, and the second driving gear 9 is meshed with the first driving gear 7;
wherein the second driving gear 9 is driven by the motor 8 to rotate, then the first driving gear 7 is driven by the second driving gear 9 to rotate, and then the air cylinder 6 is driven to rotate under the action of the first driving gear 7.
As shown in fig. 3, the third driving assembly includes a motor 22, a rotating disc 23 and a connecting wire 24, the motor 22 is disposed on the cylinder body of the air cylinder 6, the motor 22 is in transmission connection with the rotating disc 23, one end of the connecting wire 24 is wound on the outer circumference of the rotating disc 23, and the other end of the connecting wire 24 is disposed on a sliding block 26;
wherein, the motor 22 drives the rotating disc 23 to rotate in a forward direction, then the connecting wire 24 is wound on the rotating disc 23 through the rotating disc 23, so that the sliding block 26 is pulled to rotate along the supporting rod 27 to a direction close to the motor 22 under the action of the connecting wire 24, when the rotating disc 23 rotates in a reverse direction, the connecting wire 24 is loosened from the rotating disc 23, so that the pulling force of the connecting wire 24 on the sliding block 26 is reduced, and then the sliding block 26 is pushed to move to the right along the supporting rod 27 under the action of the second spring 25.
As shown in fig. 4, the central control mechanism includes a control box 31 and at least two buttons 30, each button 30 is disposed on the control box 31, a PLC and a wireless signal transceiver module are further disposed inside the control box 31, and both the button 30 and the wireless signal transceiver module are electrically connected to the PLC;
wherein, make people can send control signal for hydraulic hoist machine through button 30 to the operation of control hydraulic hoist machine, make hydraulic hoist machine can establish the communication with remote workstation through wireless signal transceiver module, thereby make people can remote control hydraulic hoist machine's operation, thereby improved hydraulic hoist machine's intelligent degree.
Preferably, in order to improve the decontamination effect of the cleaning plate 12, the cleaning plate 12 is made of rubber, and the rubber is soft, so that the gap between the cleaning plate 12 and the bottom of the inner wall of the storage box 4 is reduced, and the decontamination effect of the cleaning plate 12 is improved.
Preferably, in order to improve the control accuracy of the cylinder 6, the cylinder 6 is an electronic cylinder.
Preferably, the button 30 is a touch button in order to increase the sensitivity of the button 30.
Preferably, in order to prolong the service life of the hydraulic hoist, the outer surface of the hydraulic cylinder 2 is coated with an anticorrosive coating, and the corrosion speed of the hydraulic cylinder 2 is slowed down through the anticorrosive coating, so that the service life of the hydraulic cylinder 2 is prolonged, and the service life of the hydraulic hoist is prolonged.
Preferably, in order to improve the sealing performance between the moving plate 17 and the limiting plate 20, the horizontal cross section of the moving plate 17 is circular, when the cylinder 6 rotates, the moving plate 17 rotates along with the cylinder 6, and when the horizontal cross section of the moving plate 17 is circular, the moving plate 17 and the limiting plate 20 can be always matched regardless of the rotation angle of the moving plate 17, so that the sealing performance between the moving plate 17 and the limiting plate 20 is improved.
Under the control of a PLC, the lifting rod 10 is driven to slowly descend through the air cylinder 6, then the moving plate 17 is driven to slowly descend under the action of the connecting assembly, after the moving plate 17 is connected with the limiting plate 20, the moving plate 17 stops descending, then the two rubber blocks 13 are driven to respectively move towards the insides of the two through holes 18 under the action of the lifting rod 10, so that the lower portion of the moving plate 17 is in a sealed state, the inside of power oil with oil stains diffused in the process of cleaning is prevented, then the cleaning plate 12 is driven to move leftwards through the first driving assembly, so that the oil stains at the bottom of the storage box 4 are discharged from a sewage discharge port through the cleaning plate 12, under the control of the PLC, the sliding block 26 is driven to rotate through the second driving assembly, under the action of the third driving assembly, the sliding block 26 is driven to move leftwards and rightwards along the supporting rod 27, make the power oil take place the vibration to make the inside tiny bubble of power oil separate, drive lifter 10 through cylinder 6 simultaneously and rotate, thereby slowly stir power oil through lifter 10, make the inside tiny bubble of separating of power oil rise to the surface of power oil, later lead to driving motor 28 drive and remove bubble pole 29 and rotate, thereby break through removing bubble pole 29 with the bubble on power oil surface, thereby can get rid of the inside bubble of power oil, improved the accuracy of the pneumatic cylinder 2 control to hydraulic hoist.
Compared with the prior art, in this long service life's high accuracy hydraulic hoist, through the mechanism of decontaminating, can keep apart the accumulational part of storage box 4 bottom greasy dirt, later clear away the greasy dirt totally, thereby the in-process of decontaminating, the probability that the greasy dirt spreads to the power oil inside has been reduced, thereby the effect of decontaminating has been improved, compare with current mechanism, this mechanism is at the in-process of decontaminating, the effectual diffusion that reduces the greasy dirt, the pollution of greasy dirt to the power oil has been reduced, moreover, through the bubble removal mechanism, can come out the effectual separation of air in the power oil, thereby the content of power oil air has been reduced, the precision to the stroke control of hydraulic cylinder 2 of hydraulic hoist has been improved, compare with current mechanism, this mechanism's structure is simple, the number of trouble point has been reduced, the probability of trouble emergence has been reduced.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. A high-precision hydraulic hoist with long service life comprises a driving device (1), a hydraulic cylinder (2), a pipeline (3) and a storage box (4), wherein the driving device (1) is arranged above the storage box (4), one end of the pipeline (3) is connected with the driving device (1), and the hydraulic cylinder (2) is connected with the other end of the pipeline (3), and the high-precision hydraulic hoist is characterized by further comprising a dirt cleaning mechanism, a bubble removing mechanism and a central control mechanism, wherein the dirt cleaning mechanism is arranged inside the storage box (4), the bubble removing mechanism is arranged on the dirt cleaning mechanism, the central control mechanism is arranged above the storage box (4), and the bubble removing mechanism and the dirt removing mechanism are both electrically connected with the central control mechanism;
the dirt cleaning mechanism comprises a first driving assembly, a cylinder (6), a lifting rod (10), a connecting assembly, a movable plate (17), a limiting plate (20), a cleaning plate (12), two through holes (18) and two rubber blocks (13), wherein the cylinder (6) is vertically arranged, the upper end of the cylinder (6) is hinged to the top of the inner wall of the storage box (4), the lifting rod (10) is horizontally arranged below the cylinder (6), the two rubber blocks (13) are respectively arranged below the two ends of the lifting rod (10), the movable plate (17) is arranged below the lifting rod (10) through the connecting assembly, the two through holes (18) are respectively arranged on the two sides of the cylinder (17), the two rubber blocks (13) are respectively arranged above the two through holes (18), the first driving assembly is arranged at the bottom of the inner wall of the storage box (4), the cleaning plate (12) is connected with the first driving assembly, the limiting plate (20) is arranged above the first driving assembly, an opening matched with the moving plate (17) is formed in the middle of the limiting plate (20), a sewage draining outlet is formed in one side below the storage box (4), and a valve (21) is arranged in one side of the sewage draining outlet;
the connecting assembly comprises a first spring (15), two moving blocks (14) and two transmission rods (16), a through hole is formed in each of the two moving blocks (14), two ends of the lifting rod (10) penetrate through the two moving blocks (14), one ends of the two transmission rods (16) are hinged to the two moving blocks (14), the other ends of the two transmission rods (16) are hinged to the center of the moving plate (17), the first spring (15) is vertically arranged, one end of the first spring (15) is arranged in the middle of the lifting rod (10), and the other end of the first spring (15) is arranged at the center of the moving plate (17);
the bubble removing mechanism comprises a third driving component, a distance sensor (5), a second driving component, a supporting rod (27), a sliding block (26), a driving motor (28), a bubble removing rod (29), a second spring (25) and an ultrasonic generator (32), wherein the supporting rod (27) is horizontally arranged on one side of the upper end of a cylinder body of the cylinder (6), a through hole is formed in the sliding block (26), the supporting rod (27) penetrates through the sliding block (26), the driving motor (28) is arranged on one side of the lower portion of the sliding block (26), the bubble removing rod (29) is arranged below the driving motor (28), the driving motor (28) is in transmission connection with the bubble removing rod (29), the ultrasonic generator (32) is arranged on the other side of the lower portion of the sliding block (26), the third driving component is arranged on the cylinder body of the cylinder (6), and the third driving component is connected with the sliding block (26), the third driving assembly and the supporting rod (27) are located at the same horizontal height, the second driving assembly is arranged at the hinged position of the air cylinder (6) and the inner wall of the storage box (4), the second spring (25) is sleeved on the supporting rod (27), the second spring (25) is arranged between the cylinder body of the air cylinder (6) and the sliding block (26), and the distance sensor (5) is arranged at the top of the inner wall of the storage box (4);
the driving device (1) is provided with a signal indicating module, the signal indicating module comprises a signal indicating circuit, the signal indicating circuit comprises a solid-state relay U2, a switch S1, an eighth resistor R8, a capacitor C1 and an indicator lamp EL, the positive input end of the solid-state relay U2 is connected with the switch S1 through an eighth resistor R8, the positive output end of the solid-state relay U2 is respectively connected with the switch S1 and the eighth resistor R8, the positive input end of the solid-state relay U2 is connected with the negative input end of the solid-state relay U2 through a capacitor C1, and the negative input end of the solid-state relay U2 and the negative output end of the solid-state relay U2 are both connected with the indicator lamp EL.
2. The long-service-life high-precision hydraulic hoist as claimed in claim 1, characterized in that the first driving assembly comprises a lead screw (19) and a motor (11), the motor (11) is arranged on the side of the bottom of the inner wall of the storage box (4) far away from the oil outlet, the motor (11) is in transmission connection with the lead screw (19), a through hole is arranged inside the cleaning plate (12), the cleaning plate (12) is sleeved on the lead screw (19), and the lead screw (19) is in threaded connection with the cleaning plate (12).
3. The hydraulic hoist with long service life and high precision as claimed in claim 1, characterized in that the second driving component comprises a first driving gear (7), a motor (8) and a second driving gear (9), the first driving gear (7) is sleeved on the upper end of the cylinder (6), the motor (8) is arranged on the top of the inner wall of the storage box (4), the second driving gear (9) is arranged below the motor (8), the motor (8) is in transmission connection with the second driving gear (9), and the second driving gear (9) is meshed with the first driving gear (7).
4. The hydraulic hoist with long service life and high precision as claimed in claim 1, characterized in that the third driving assembly comprises a motor (22), a rotating disc (23) and a connecting wire (24), the motor (22) is arranged on the cylinder body of the cylinder (6), the motor (22) is in transmission connection with the rotating disc (23), one end of the connecting wire (24) is wound on the periphery of the rotating disc (23), and the other end of the connecting wire (24) is arranged on the sliding block (26).
5. The long-service-life high-precision hydraulic hoist as claimed in claim 1, characterized in that the central control mechanism comprises a control box (31) and at least two buttons (30), each button (30) is arranged on the control box (31), a PLC and a wireless signal transceiver module are further arranged inside the control box (31), and the buttons (30) and the wireless signal transceiver module are electrically connected with the PLC.
6. The hydraulic hoist with long service life and high precision as claimed in claim 1, characterized in that the cleaning plate (12) is made of rubber.
7. High-precision hydraulic hoist with long service life according to claim 1, characterized in that the cylinder (6) is an electronic cylinder.
8. The hydraulic hoist with long service life and high precision as claimed in claim 5, characterized in that the button (30) is a light touch button.
9. The hydraulic hoist with long service life and high precision as claimed in claim 1, characterized in that the outer surface of the hydraulic cylinder (2) is coated with an anticorrosive coating.
10. The hydraulic hoist with high precision and long service life according to claim 1, characterized in that the horizontal section of the moving plate (17) is circular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910971419.4A CN110657139A (en) | 2019-10-14 | 2019-10-14 | Long service life's high accuracy hydraulic hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910971419.4A CN110657139A (en) | 2019-10-14 | 2019-10-14 | Long service life's high accuracy hydraulic hoist |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110657139A true CN110657139A (en) | 2020-01-07 |
Family
ID=69040723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910971419.4A Withdrawn CN110657139A (en) | 2019-10-14 | 2019-10-14 | Long service life's high accuracy hydraulic hoist |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110657139A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113483368A (en) * | 2021-05-17 | 2021-10-08 | 孙杰 | Oil smoke purification separator |
-
2019
- 2019-10-14 CN CN201910971419.4A patent/CN110657139A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113483368A (en) * | 2021-05-17 | 2021-10-08 | 孙杰 | Oil smoke purification separator |
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Application publication date: 20200107 |