CN114109960B - Leak-proof hollow plunger hydraulic cylinder - Google Patents
Leak-proof hollow plunger hydraulic cylinder Download PDFInfo
- Publication number
- CN114109960B CN114109960B CN202111320686.9A CN202111320686A CN114109960B CN 114109960 B CN114109960 B CN 114109960B CN 202111320686 A CN202111320686 A CN 202111320686A CN 114109960 B CN114109960 B CN 114109960B
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- China
- Prior art keywords
- gear
- ring
- bin
- hollow plunger
- oil
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- 239000000428 dust Substances 0.000 claims abstract description 80
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 238000011010 flushing procedure Methods 0.000 claims abstract description 14
- 230000000149 penetrating effect Effects 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 50
- 238000007790 scraping Methods 0.000 claims description 28
- 229920000742 Cotton Polymers 0.000 claims description 19
- 238000009826 distribution Methods 0.000 claims description 13
- 239000010865 sewage Substances 0.000 claims description 12
- 238000003860 storage Methods 0.000 claims description 10
- 239000007921 spray Substances 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000005299 abrasion Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 239000012535 impurity Substances 0.000 abstract description 2
- 238000005461 lubrication Methods 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 108
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 5
- 235000017491 Bambusa tulda Nutrition 0.000 description 5
- 241001330002 Bambuseae Species 0.000 description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 5
- 239000011425 bamboo Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000010720 hydraulic oil Substances 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/12—Brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/16—Rigid blades, e.g. scrapers; Flexible blades, e.g. wipers
- B08B1/165—Scrapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
- B08B1/32—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members
-
- 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
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
-
- 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
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
-
- 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
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1457—Piston rods
- F15B15/1461—Piston rod sealings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N7/00—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Hydraulic Motors (AREA)
- Actuator (AREA)
Abstract
The invention relates to the technical field of hydraulic cylinders, in particular to a leakage-proof hollow plunger hydraulic cylinder which comprises a cylinder barrel, a driving motor, an oil bin, a dust removal bin, a flushing mechanism and a hollow plunger, wherein the driving motor is fixed on one side of the cylinder barrel, an output shaft is arranged at the top of the driving motor, the hollow plunger is connected inside the cylinder barrel in a sliding manner, the oil bin is welded at the top end of the cylinder barrel, the hollow plunger is connected with the middle part of the oil bin in a penetrating manner, the dust removal bin is fixed at the top end of the oil bin, the hollow plunger is connected with the middle part of the dust removal bin in a penetrating manner, and the flushing mechanism is connected at the top end of the dust removal bin. In most cases, impurities such as dust adsorbed during the operation of the plunger can reduce the lubrication effect of an oil film, and the adsorbed dust accelerates the abrasion and fatigue of a sealing system along with the improvement of the movement frequency of a machine and the extension of the operation period, so that the leakage phenomenon is easy to occur after the plunger cylinder is frequently operated for a period of time, and the leakage-preventing hollow plunger hydraulic cylinder is provided.
Description
Technical Field
The invention relates to the technical field of hydraulic cylinders, in particular to a leakage-proof hollow plunger hydraulic cylinder.
Background
The hollow plunger hydraulic cylinder is widely used, the quality of the plunger cylinder is directly related to the normal operation of production line equipment, the plunger hydraulic cylinder is a single-acting hydraulic cylinder, only one-direction movement can be realized by hydraulic pressure, and the plunger return stroke is suitable for long-stroke hydraulic cylinders by other external force or the dead weight of the plunger.
However, when the plunger is operated, the oil film exposed on the surface of the plunger cylinder is too thick and cannot be well collected and treated, and the oil film cannot be completely brought back into the hydraulic cylinder, so that annular oil stains flow out through accumulation, and when the plunger is operated in an environment with larger dust, the residual oil stains on the side wall can absorb dust when the plunger is operated for a long stroke, impurities such as dust absorbed by the operation of the plunger can reduce the lubrication effect of the oil film, and as the movement frequency of a machine is improved and the operation period is prolonged, the absorbed dust accelerates the abrasion and fatigue of a sealing system, so that the leakage phenomenon is easily generated after the plunger cylinder is frequently operated for a period of time, a working medium flows out to the outside beyond the boundary of a containing cavity, and the dust can seriously pollute hydraulic oil in the oil cylinder, thereby not only causing the waste of the working medium and the pollution of the working environment, but also causing the operation failure or personal accidents of equipment.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a leak-proof hollow plunger hydraulic cylinder.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a hollow plunger hydraulic cylinder of leak protection, includes cylinder, driving motor, oil storehouse, dust removal storehouse, washing mechanism, hollow plunger, its characterized in that: the cylinder barrel is fixedly provided with a driving motor on one side, the output shaft is arranged at the top of the driving motor, a hollow plunger is slidably connected in the cylinder barrel, an oil bin is welded at the top end of the cylinder barrel, the hollow plunger is connected with the middle part of the oil bin in a penetrating way, a dust removing bin is fixedly arranged at the top end of the oil bin, the hollow plunger is connected with the middle part of the dust removing bin in a penetrating way, and a flushing mechanism is connected at the top end of the dust removing bin;
The oil bin comprises a first tooth bin, a second tooth bin, a first gear, a second gear, an oil scraping ring, an oil scraping groove, a funnel ring, oil absorbing cotton, a waterproof ring and a wear-resistant ring, wherein the second tooth bin is fixed at the top end of a cylinder barrel, the waterproof ring is fixedly arranged in the middle of the top end of the second tooth bin and sleeved outside a hollow plunger, the first tooth bin is fixed on one side of the second tooth bin, the first gear is arranged in the first tooth bin, the wear-resistant ring is arranged at the bottom of the second tooth bin, the wear-resistant ring is sleeved outside the hollow plunger, a plurality of oil absorbing cotton are inserted on the circumference of the side wall of the wear-resistant ring, the funnel ring is welded at the top end of the wear-resistant ring, the oil absorbing cotton is inserted at the bottom of the funnel ring, the second gear is fixed at the top of the second gear, the oil scraping ring is welded at the middle of the second gear, the oil scraping ring is sleeved outside the hollow plunger in a sliding manner, a plurality of oil scraping grooves are formed in the circumferential inclination of the inner wall of the oil scraping ring, one side of the second gear is meshed with the first gear, and the first output shaft is welded at the top of the first gear;
The dust removal bin comprises a dust cover, a third gear, a clamping ring, a swivel, clamping teeth, dust removal brushes, straight sliding grooves, qu Huacao, a first spring, pulleys and sliding blocks, wherein the third gear is arranged at the top of the first tooth bin, the bottom end of the third gear is inserted into the first tooth bin and connected with the top end of the first gear, the swivel is arranged on one side of the third gear, the swivel is sleeved outside a hollow plunger, the clamping teeth are welded on one side of the swivel adjacent to the third gear, the clamping teeth are meshed with the third gear, three clamping rings are distributed on the inner circumference of the swivel, connecting grooves are formed in the adjacent side walls of the clamping ring, the first spring is connected between the adjacent connecting grooves, each clamping ring is fixedly provided with the dust removal brushes, the straight sliding grooves are formed in the inner side of the bottom of the clamping ring, the sliding grooves are connected with the sliding blocks in a sliding manner, the sliding blocks are welded on the middle of the top end of the second tooth bin, the sliding grooves are formed in the outer side of the clamping ring, one end of the curved sliding grooves is fixedly provided with the second spring, the Qu Huacao is welded on the inner wall of the inner side of the sliding grooves, and the sliding grooves are welded on the other end of the sliding cover, and the other end is welded on the outer side of the sliding groove.
Specifically, the flushing mechanism comprises a water distribution ring, a high-pressure spray head, a water inlet pipe and a drain pipe, the top of the dust cover is fixedly provided with the water distribution ring, the water distribution ring is sleeved outside the hollow plunger, a plurality of high-pressure spray heads are circumferentially distributed on the inner wall of the water distribution ring, the water inlet pipe is welded on one side of the outer wall of the water distribution ring, the drain pipe is arranged below the water inlet pipe, and the drain pipe is fixed on one side of the bottom end of the dust cover.
Specifically, the second tooth storehouse is kept away from driving motor one side and is connected with oil pipe, just the oil pipe below is connected with the oil storage section of thick bamboo, the oil storage section of thick bamboo is fixed in cylinder and is kept away from driving motor one side.
Specifically, the drive motor may control the steering of the output shaft.
Specifically, the hollow plunger top threaded connection has the kicking block.
Specifically, there is pipe connection to water supply system in the inlet tube bottom, there is pipe connection to sewage system in the blow off pipe bottom.
The invention has the beneficial effects that:
(1) According to the anti-leakage hollow plunger hydraulic cylinder, through the use of the dust removal bin, the output shaft drives the first gear to rotate, the first gear drives the third gear to rotate, the second spring is extruded to push the pulley obliquely, the pulley drives the rotating ring to rotate, the latch on the rotating ring is meshed with the third gear again, the third gear drives the rotating ring to rotate, the pulley is enabled to be attached to the curved sliding groove again and slide along the curved sliding groove, the clamping ring is pushed by the pulley to enable the clamping ring to slide inwards and gradually polymerize along the straight sliding groove, the clamping ring drives the dust removal brush to be gradually attached to the hollow plunger, meanwhile, the first spring is gradually compressed, when the rotating ring rotates until the latch is not meshed with the third gear any more, the first spring is compressed to be shortest, the dust removal brush is attached to the hollow plunger in a clinging mode, and dust on the side wall of the hollow plunger is removed.
(2) According to the leak-proof hollow plunger hydraulic cylinder, when the hollow plunger is stretched through the oil bin structure design, the output shaft drives the first gear to rotate and is meshed with the second gear, the second gear drives the inner oil scraping ring and the bottom funnel to rotate around the hollow plunger, the funnel ring drives the bottom-mounted wear-resistant ring to rotate, at the moment, the oil scraping ring scrapes an oil film on the side wall of the hollow plunger into the oil scraping groove, so that the oil film is condensed and then flows downwards into the funnel ring along the inclined oil scraping groove, and condensed oil flows into the second gear bin through the oil absorbing cotton, so that the phenomenon that oil residues on the hollow plunger can be reduced; and when the hollow plunger is contracted, the oil absorbing cotton is filled with oil, and in the rotation process of the oil absorbing cotton, the oil can be recoated on the side wall of the hollow plunger, so that the resistance of the hollow plunger in contraction is reduced, and the abrasion with the side wall of the cylinder barrel is reduced.
(3) The invention relates to a leak-proof hollow plunger hydraulic cylinder, which adopts a flushing mechanism to start, connect the water flow of a water inlet pipe, then make the water enter a water distribution ring, the water is uniformly distributed to each high-pressure spray head through the water distribution ring, and after the water is sprayed out under pressure, dust scraped by a dust removal bin mechanism can be flushed, and sewage flows out through a sewage pipe.
(4) According to the leakage-proof hollow plunger hydraulic cylinder, oil on the hollow plunger is cleaned through the oil bin, and dust on the side wall of the hollow plunger and in the oil can be effectively reduced through the linkage design of dust removal of the dust removal bin, so that the leakage problem of the hydraulic cylinder caused by long-term oil stain abrasion of dust can be prevented.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic view of the overall structure of a preferred embodiment of a leak-proof hollow plunger hydraulic cylinder according to the present invention;
FIG. 2 is a schematic view of a part of the internal structure of a leak-proof hollow plunger hydraulic cylinder according to the present invention;
FIG. 3 is a schematic view of a part of the internal structure of a leak-proof hollow plunger hydraulic cylinder according to the present invention;
FIG. 4 is a schematic view of a part of the structure of a leak-proof hollow plunger hydraulic cylinder according to the present invention;
FIG. 5 is a schematic view of a part of the structure of a leak-proof hollow plunger hydraulic cylinder according to the present invention;
FIG. 6 is a schematic view of a part of the internal structure of a leak-proof hollow plunger hydraulic cylinder according to the present invention;
FIG. 7 is a schematic view of the overall structure of a preferred embodiment of a leak-proof hollow plunger hydraulic cylinder according to the present invention;
fig. 8 is an enlarged schematic view at a of fig. 7.
In the figure: 1. a cylinder; 2. a driving motor; 21. an output shaft; 3. an oil bin; 31. a first tooth chamber; 32. a second tooth chamber; 33. a first gear; 34. a second gear; 35. an oil scraping ring; 36. an oil scraping groove; 37. a funnel ring; 38. oil absorbing cotton; 39. a waterproof ring; 310. a wear ring; 4. a dust removal bin; 41. a dust cover; 42. a third gear; 43. a clamping ring; 44. a swivel; 45. latch teeth; 46. a dust removing brush; 47. a straight chute; 48. a curved chute; 49. a first spring; 410. a pulley; 411. a slide block; 412. a second spring; 5. a flushing mechanism; 51. a water dividing ring; 52. a high pressure nozzle; 53. a water inlet pipe; 54. a blow-down pipe; 6. an oil storage cylinder; 7. a hollow plunger; 8. a top block; 9. and (5) an oil pipe.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1-8, the leak-proof hollow plunger hydraulic cylinder comprises a cylinder barrel 1, a driving motor 2, an oil bin 3, a dust removing bin 4, a flushing mechanism 5 and a hollow plunger 7, wherein one side of the cylinder barrel 1 is fixedly provided with the driving motor 2, an output shaft 21 is arranged at the top of the driving motor 2, the hollow plunger 7 is connected inside the cylinder barrel 1 in a sliding manner, the top end of the cylinder barrel 1 is welded with the oil bin 3, the hollow plunger 7 is connected with the middle part of the oil bin 3 in a penetrating manner, the top end of the oil bin 3 is fixedly provided with the dust removing bin 4, the hollow plunger 7 is connected with the middle part of the dust removing bin 4 in a penetrating manner, the top end of the dust removing bin 4 is connected with the flushing mechanism 5, the oil film on the side wall of the hollow plunger 7 can be cleaned, dust adsorbed on the side wall of the hollow plunger 7 when the oil bin 3 extends out is reduced, the dust removing bin 4 is facilitated to clean dust, and the flushing mechanism 5 can be matched with the dust removing bin 4 to clean dust;
The oil bin 3 comprises a first tooth bin 31, a second tooth bin 32, a first gear 33, a second gear 34, an oil scraping ring 35, an oil scraping groove 36, a funnel ring 37, oil absorbing cotton 38, a waterproof ring 39 and a wear-resistant ring 310, wherein the second tooth bin 32 is fixed at the top end of the cylinder barrel 1, the waterproof ring 39 is fixedly arranged in the middle of the top end of the second tooth bin 32, the waterproof ring 39 is sleeved outside the hollow plunger 7, the water flowing out of the flushing mechanism 5 can be prevented from entering the oil bin 3, the first tooth bin 31 is fixed at one side of the second tooth bin 32, the first gear 33 is arranged in the first tooth bin 31 to transmit power, the wear-resistant ring 310 is arranged at the bottom of the second tooth bin 32, the wear-resistant ring 310 is sleeved outside the hollow plunger 7 to support the funnel ring 37 and reduce the consumption of rotary wear, a plurality of oil absorbing cotton 38 are inserted on the circumference of the side wall of the wear-resistant ring 310, the oil can be guided into the second tooth bin 32 and can be smeared on the side wall of the hollow plunger 7, the top end of the wear-resistant ring 310 is welded with the funnel ring 37, the oil can be guided to the oil absorbing cotton 38 along an inclined plane, the tops of the oil absorbing cotton 38 are all spliced at the bottom of the funnel ring 37, the second gear 34 is fixed at the top of the funnel ring 37 and used for driving the funnel ring 37, the oil absorbing cotton 38 and the oil scraping ring 35 to rotate, so that the oil is adsorbed and smeared more uniformly, the oil scraping ring 35 is welded in the middle of the second gear 34, the oil scraping ring 35 is sleeved outside the hollow plunger 7 in a sliding manner, a plurality of oil scraping grooves 36 are formed in the circumferential inclination of the inner wall of the oil scraping ring 35, the oil absorbing cotton 38 can not be scraped by the adsorbed clean oil, one side of the second gear 34 is meshed with the first gear 33, and the first gear 33 is welded at the top of the output shaft 21 and used for transmitting power;
The dust removing bin 4 comprises a dust cover 41, a third gear 42, a clamping ring 43, a swivel 44, a latch 45, a dust removing brush 46, straight slide grooves 47, qu Huacao, a first spring 49, a pulley 410 and a sliding block 411, the third gear 42 is arranged at the top of the first gear bin 31, the bottom end of the third gear 42 is inserted into the first gear bin 31 and is internally connected with the top end of the first gear 33 to transmit power, the swivel 44 is arranged at one side of the third gear 42, the swivel 44 is sleeved outside the hollow plunger 7 and is used for controlling the sliding direction of the clamping ring 43, the latch 45 is welded at one side of the swivel 44 adjacent to the third gear 42 and is meshed with the third gear 42 to transmit power, three clamping rings 43 are distributed on the inner circumference of the swivel 44 and can control the clamping and releasing of the dust removing brush 46 to the hollow plunger 7, connecting grooves are respectively arranged on the adjacent side walls of the clamping rings 43, the first spring 49 is connected between the adjacent connecting grooves, the clamping ring 43 is used for providing thrust force, the state that the clamping teeth 45 are re-meshed with the third gear 42 can be restored, the inner side of each clamping ring 43 is fixedly provided with a dust removing brush 46 for cleaning dust, the inner side of the bottom of each clamping ring 43 is provided with a straight sliding groove 47, the straight sliding grooves 47 are internally and slidably connected with sliding blocks 411, the clamping rings 43 can be limited, the clamping rings 43 can only slide back and forth along the straight sliding grooves 47, the sliding blocks 411 are welded at the middle part of the top end of the second tooth bin 32, the outer side of each clamping ring 43 is provided with a curved sliding groove 48, the curved sliding grooves 48 are slidably connected with a pulley 410, the clamping rings 43 can be limited by matching with the pulleys 410, the pulleys 410 are axially connected to the inner wall of the rotating ring 44, the rotating ring 44 is externally provided with a dust cover 41, the rotating ring 44 can be limited, the rotating ring 44 can reciprocate around the hollow plunger 7, the dust is reduced, one end of the dust cover 41 is welded at the top end of the first tooth bin 31, the other end is welded at the top end of the second tooth chamber 32 and sleeved outside the hollow plunger 7.
Specifically, the flushing mechanism 5 includes water diversion ring 51, high-pressure shower nozzle 52, inlet tube 53 and blow off pipe 54, the shield 41 top is fixed with water diversion ring 51, and water diversion ring 51 cup joints in hollow plunger 7 outside, water diversion ring 51 inner wall circumference distribution has a plurality of high-pressure shower nozzles 52, and water diversion ring 51 outer wall one side welding has inlet tube 53, the blow off pipe 54 is installed to the inlet tube 53 below, blow off pipe 54 is fixed in shield 41 bottom one side, water can flow in inlet tube 53, make water get into water diversion ring 51 again, water evenly divides to each high-pressure shower nozzle 52 through water diversion ring 51, after the water pressurization blowout, dust that dust brush 46 and dust brush 46 scraped out can be washed, sewage flows through blow off pipe 54 again, dust in the dust removal storehouse 4 can be reduced, the reliability of device is increased.
Specifically, the second tooth storehouse 32 is kept away from driving motor 2 one side and is connected with oil pipe 9, and is connected with oil storage section of thick bamboo 6 below oil pipe 9, and oil storage section of thick bamboo 6 is fixed and is kept away from driving motor 2 one side at cylinder 1, and when oil was too much, flowed into oil storage section of thick bamboo 6 through oil pipe 9, can in time discover and clear up too much oil.
Specifically, hollow plunger 7 top threaded connection has kicking block 8, and when the dust removal storehouse 4 at cylinder 1 top and the inside mechanism in oil storehouse 3 need be changed, unscrew kicking block 8 can dismantle dust removal storehouse 4 and oil storehouse 3, changes and repairs.
Specifically, there is pipe connection to water supply system in the inlet tube 53 bottom, can provide clean water source and clear up dust removal storehouse 4, there is pipe connection to sewage drain system in the blow off pipe 54 bottom, can drain sewage, prevents that sewage from following cylinder 1 lateral wall and flowing down and causing the pollution.
When the oil-sucking device is used, hydraulic oil flows into the cylinder barrel 1 to enable the hollow plunger 7 to extend outwards, at the moment, a power supply of the driving motor 2 is connected to enable the output shaft 21 to rotate positively and drive the first gear 33 to rotate and to be meshed with the second gear 34, the second gear 34 drives the inner oil scraping ring 35 and the funnel ring 37 at the bottom to rotate around the hollow plunger 7, the funnel ring 37 drives the wear-resisting ring 310 arranged at the bottom to rotate, at the moment, the oil scraping ring 35 scrapes an oil film on the side wall of the hollow plunger 7 into the oil scraping groove 36, after the oil film is condensed, the oil flows downwards into the funnel ring 37 along the obliquely opened oil scraping groove 36, and then condensed oil flows into the second tooth bin 32 through the oil-sucking cotton 38; meanwhile, the first gear 33 drives the third gear 42 to rotate, at the moment, the third gear 42 is meshed with the latch 45 and drives the swivel 44 to rotate, in the process, the swivel 44 drives the pulley 410 to rotate, the first springs 49 between the clamping rings 43 generate thrust force due to compression to push the clamping rings 43 to be separated from each other and drive the dust removing brushes 46 to be gradually separated from the hollow plunger 7, and the sliding blocks 411 are arranged in the straight sliding grooves 47 at the bottoms of the clamping rings 43 to limit, so that the clamping rings 43 slide outwards and gradually separate along the straight sliding grooves 47, the pulley 410 slides along the curved sliding grooves 48 until the pulley 410 presses the second springs 412, at the moment, the first springs 49 are restored to the original length, the clamping rings 43 do not slide any more, the outer side walls of the clamping rings 43 are all contacted with the inner side walls of the swivel 44, and when the swivel 44 rotates until the latch 45 is not meshed with the third gear 42 any more, the second springs 412 are pressed to be shortest by the pulley 410; meanwhile, the driving motor 2 continuously works, so that the internal mechanism of the oil bin 3 always runs, an oil film on the side wall of the hollow plunger 7 is reduced, dust absorption is reduced, leakage of the cylinder barrel 1 is prevented, and a power supply of the driving motor 2 is turned off until the hollow plunger 7 is completely extended;
When the hollow plunger 7 is contracted, the power supply of the driving motor 2 is connected and the output shaft 21 is controlled to rotate reversely, at the moment, the output shaft 21 drives the first gear 33 to rotate, the first gear 33 drives the third gear 42 to rotate, and because the second spring 412 is extruded to the pulley 410 to push the pulley 410 obliquely, the pulley 410 drives the swivel 44 to rotate, so that the latch 45 on the swivel 44 is meshed with the third gear 42 again, the third gear 42 drives the swivel 44 to rotate, the pulley 410 is enabled to be in fit with the curved sliding groove 48 again and slide along the curved sliding groove 48, at the moment, the pulley 410 pushes the clamping ring 43, so that the clamping ring 43 slides inwards along the straight sliding groove 47 to gradually polymerize, the clamping ring 43 drives the dust removing brush 46 to be in close contact with the hollow plunger 7 gradually, at the same time, the first spring 49 is gradually compressed, when the swivel 44 rotates until the latch 45 is not meshed with the third gear 42 any more, the first spring 49 is compressed to be shortest, and the dust removing brush 46 is in close contact with the hollow plunger 7, and dust on the side wall of the hollow plunger 7 is removed; meanwhile, in the oil bin 3, the first gear 33 is meshed and transmitted to the second gear 34, the second gear 34 drives the inner oil scraping ring 35 and the funnel ring 37 at the bottom to rotate around the hollow plunger 7, the funnel ring 37 drives the wear-resistant ring 310 arranged at the bottom to rotate, the wear-resistant ring 310 drives the oil absorbing cotton 38 clamped at the upper part to rotate, the oil absorbing cotton 38 is full of oil, and in the rotating process, the oil is recoiled on the side wall of the hollow plunger 7, so that the resistance when the hollow plunger 7 contracts is reduced, and the abrasion with the side wall of the cylinder barrel 1 is reduced; meanwhile, in the process of completely retracting the hollow plunger 7 into the cylinder barrel 1, the flushing mechanism 5 is started, a water supply system connected with the water inlet pipe 53 is firstly connected to enable water to flow through, then the water enters the water diversion ring 51, the water is evenly divided to each high-pressure spray head 52 through the water diversion ring 51, after the water is pressurized and sprayed out, dust scraped by the dust removal brush 46 and the dust removal brush 46 can be flushed, and sewage flows out to a sewage drainage system through the sewage drainage pipe 54;
When the oil level in the oil bin 3 is too high, the oil flows into the oil storage cylinder 6 through the oil pipe 9, the oil storage cylinder 6 is made of transparent materials, excessive oil can be found and cleaned in time, and when the dust removal bin 4 at the top of the cylinder barrel 1 and the internal mechanism of the oil bin 3 need to be replaced, the top block 8 is unscrewed, so that the dust removal bin 4 and the oil bin 3 can be disassembled for replacement and repair.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the foregoing examples, and that the foregoing description and description are merely illustrative of the principles of this invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a hollow plunger hydraulic cylinder of leak protection, includes cylinder (1), driving motor (2), oil storehouse (3), dust removal storehouse (4), washing mechanism (5), hollow plunger (7), its characterized in that: the novel dust removing device is characterized in that a driving motor (2) is fixed on one side of the cylinder barrel (1), an output shaft (21) is arranged at the top of the driving motor (2), a hollow plunger (7) is connected inside the cylinder barrel (1) in a sliding mode, an oil bin (3) is welded at the top end of the cylinder barrel (1), the hollow plunger (7) is connected to the middle of the oil bin (3) in a penetrating mode, a dust removing bin (4) is fixed at the top end of the oil bin (3), the hollow plunger (7) is connected to the middle of the dust removing bin (4) in a penetrating mode, and a flushing mechanism (5) is connected to the top end of the dust removing bin (4);
The oil bin (3) comprises a first gear bin (31), a second gear bin (32), a first gear (33), a second gear (34), an oil scraping ring (35), an oil scraping groove (36), a funnel ring (37), oil absorbing cotton (38), a waterproof ring (39) and a wear-resistant ring (310), wherein the second gear bin (32) is fixed at the top end of a cylinder barrel (1), the waterproof ring (39) is fixedly arranged at the middle part of the top end of the second gear bin (32), the waterproof ring (39) is sleeved outside a hollow plunger (7), the first gear bin (31) is fixed on one side of the second gear bin (32), the first gear (33) is internally mounted in the first gear bin (31), the wear-resistant ring (310) is mounted at the bottom of the second gear bin (32), the wear-resistant ring (310) is sleeved outside the hollow plunger (7), a plurality of oil absorbing cotton (38) are spliced on the circumference of the side wall of the wear-resistant ring (310), the funnel ring (37) is welded at the top end of the wear-resistant ring (310), the oil absorbing cotton (38) is sleeved outside the hollow plunger (7), the second gear (34) is fixedly sleeved at the middle part of the second gear (34), a plurality of oil scraping grooves (36) are formed in the inner wall of the oil scraping ring (35) in a circumferential inclined mode, one side of the second gear (34) is meshed with the first gear (33), and the first gear (33) is welded to the top of the output shaft (21);
The dust removal bin (4) comprises a dust cover (41), a third gear (42), a clamp ring (43), a swivel ring (44), clamping teeth (45), a dust removal brush (46), straight sliding grooves (47), qu Huacao (48), a first spring (49), pulleys (410) and a sliding block (411), wherein the third gear (42) is arranged at the top of the first gear bin (31), the bottom end of the third gear (42) is inserted into the first gear bin (31) and is internally connected with the top end of the first gear (33), the swivel ring (44) is arranged on one side of the third gear (42), the swivel ring (44) is sleeved outside the hollow plunger (7), the clamping teeth (45) are welded on one side adjacent to the swivel ring (44) and the third gear (42), the teeth (45) are meshed with the third gear (42), three clamp rings (43) are distributed on the inner circumference of the swivel ring (44), connecting grooves are formed in adjacent side walls, the first spring (49) are connected between the adjacent connecting grooves, the inner sides of each clamp ring (43) are connected with the straight sliding grooves (411), the inner sides of the clamp ring (43) are connected with the straight sliding brush (47), slider (411) all welds in second tooth storehouse (32) top middle part, every clamp ring (43) outside has all been seted up crooked spout (48), qu Huacao (48) inside crooked one end is fixed with second spring (412), just Qu Huacao (48) sliding connection has pulley (410), pulley (410) coupling is in swivel (44) inner wall, just swivel (44) externally mounted has shield (41), shield (41) one end welding is on first tooth storehouse (31) top, and the other end welding is on second tooth storehouse (32) top and cup joints in hollow plunger (7) outside.
2. The leak-proof hollow plunger hydraulic ram of claim 1, wherein: the flushing mechanism (5) comprises a water distribution ring (51), high-pressure spray heads (52), a water inlet pipe (53) and a drain pipe (54), the top of the dust cover (41) is fixedly provided with the water distribution ring (51), the water distribution ring (51) is sleeved outside the hollow plunger (7), a plurality of high-pressure spray heads (52) are circumferentially distributed on the inner wall of the water distribution ring (51), the water inlet pipe (53) is welded on one side of the outer wall of the water distribution ring (51), the drain pipe (54) is arranged below the water inlet pipe (53), and the drain pipe (54) is fixed on one side of the bottom end of the dust cover (41).
3. The leak-proof hollow plunger hydraulic ram of claim 2, wherein: the second tooth bin (32) is connected with an oil pipe (9) on one side far away from the driving motor (2), and an oil storage cylinder (6) is connected below the oil pipe (9), and the oil storage cylinder (6) is fixed on one side, far away from the driving motor (2), of the cylinder barrel (1).
4. A leak-proof hollow plunger hydraulic ram as set forth in claim 3 wherein: the drive motor (2) can control the steering of the output shaft (21).
5. The leak-proof hollow plunger hydraulic ram of claim 4, wherein: the top of the hollow plunger (7) is connected with a top block (8) through threads.
6. The leak-proof hollow plunger hydraulic ram of claim 5, wherein: the bottom end of the water inlet pipe (53) is connected with a water supply system through a conduit, and the bottom end of the sewage draining pipe (54) is connected with the sewage draining system through a conduit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111320686.9A CN114109960B (en) | 2021-11-09 | 2021-11-09 | Leak-proof hollow plunger hydraulic cylinder |
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| CN202111320686.9A CN114109960B (en) | 2021-11-09 | 2021-11-09 | Leak-proof hollow plunger hydraulic cylinder |
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| CN114109960B true CN114109960B (en) | 2024-05-31 |
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| CN114905785B (en) * | 2022-04-19 | 2024-06-28 | 东莞市健隆油压机械有限公司 | Cold extrusion molding oil press |
| CN116422399B (en) * | 2023-06-08 | 2023-08-25 | 新乡市威远机械有限公司 | Crusher |
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| JP2004225791A (en) * | 2003-01-22 | 2004-08-12 | Shimadzu Corp | Hydraulic cylinder and impact tester having the same |
| CN102155465A (en) * | 2011-03-24 | 2011-08-17 | 浙江大学 | Zero-friction air cylinder with air bearing |
| KR20130139110A (en) * | 2012-06-12 | 2013-12-20 | 동양기전 주식회사 | Rod cover for hydraulic cylinder |
| CN213298456U (en) * | 2020-10-23 | 2021-05-28 | 常州溧岳液压设备有限公司 | Hydraulic torsion supporting device with good dustproof effect |
| CN113606215A (en) * | 2021-07-05 | 2021-11-05 | 沈福雄 | Anti-leakage hollow plunger hydraulic oil cylinder |
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2021
- 2021-11-09 CN CN202111320686.9A patent/CN114109960B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004225791A (en) * | 2003-01-22 | 2004-08-12 | Shimadzu Corp | Hydraulic cylinder and impact tester having the same |
| CN102155465A (en) * | 2011-03-24 | 2011-08-17 | 浙江大学 | Zero-friction air cylinder with air bearing |
| KR20130139110A (en) * | 2012-06-12 | 2013-12-20 | 동양기전 주식회사 | Rod cover for hydraulic cylinder |
| CN213298456U (en) * | 2020-10-23 | 2021-05-28 | 常州溧岳液压设备有限公司 | Hydraulic torsion supporting device with good dustproof effect |
| CN113606215A (en) * | 2021-07-05 | 2021-11-05 | 沈福雄 | Anti-leakage hollow plunger hydraulic oil cylinder |
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Effective date of registration: 20240426 Address after: 441300 A5 Workshop Building and A5 Workshop Upstairs Office, No. 27 Luhe Avenue, High tech Industrial Development Zone, Suizhou City, Hubei Province Applicant after: Hubei Weisenboge Hydraulic Equipment Co.,Ltd. Country or region after: China Address before: 277000 Wansheng, intersection of Zhujiang Road and Guangchang West Road, Xuecheng District, Zaozhuang City, Shandong Province Room 903, building 11, Xinyuan International Community Applicant before: Liu Tiejun Country or region before: China |
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