CN116906320A - Liquid compression machine - Google Patents
Liquid compression machine Download PDFInfo
- Publication number
- CN116906320A CN116906320A CN202310990869.4A CN202310990869A CN116906320A CN 116906320 A CN116906320 A CN 116906320A CN 202310990869 A CN202310990869 A CN 202310990869A CN 116906320 A CN116906320 A CN 116906320A
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- Prior art keywords
- liquid
- piston rod
- lubricating oil
- hollow piston
- compression
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- 239000007788 liquid Substances 0.000 title claims abstract description 162
- 230000006835 compression Effects 0.000 title claims abstract description 114
- 238000007906 compression Methods 0.000 title claims abstract description 114
- 230000007246 mechanism Effects 0.000 claims abstract description 68
- 238000007789 sealing Methods 0.000 claims abstract description 51
- 238000005461 lubrication Methods 0.000 claims abstract description 22
- 239000010687 lubricating oil Substances 0.000 claims description 82
- 238000001914 filtration Methods 0.000 claims description 27
- 238000003825 pressing Methods 0.000 claims description 19
- 238000009434 installation Methods 0.000 claims description 11
- 238000012423 maintenance Methods 0.000 claims description 7
- 230000001050 lubricating effect Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 11
- 235000017491 Bambusa tulda Nutrition 0.000 description 11
- 241001330002 Bambuseae Species 0.000 description 11
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 11
- 239000011425 bamboo Substances 0.000 description 11
- 239000003921 oil Substances 0.000 description 11
- 239000012535 impurity Substances 0.000 description 6
- 229920000742 Cotton Polymers 0.000 description 5
- 230000003014 reinforcing effect Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 239000000706 filtrate Substances 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/02—Packing the free space between cylinders and pistons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/14—Pistons, piston-rods or piston-rod connections
- F04B53/143—Sealing provided on the piston
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/18—Lubricating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/20—Filtering
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
Abstract
The invention discloses a liquid compression machine, which relates to the technical field of compressors and comprises a liquid compression mechanism, a reciprocating power mechanism and a piston lubrication sealing mechanism, wherein the liquid compression mechanism comprises a compression cylinder, a cylinder cover is connected at the top opening of the compression cylinder in a threaded manner, a hollow piston is vertically and slidably connected in the compression cylinder, the upper side of the hollow piston is a conical mechanism, the top center of the hollow piston is fixedly connected with the bottom end of a hollow piston rod, the hollow piston rod is slidably connected with the piston rod lubrication sealing limiting mechanism, and the bottom end of the reciprocating power mechanism is fixedly connected with the outer side of the top of the hollow piston rod; according to the liquid compression machine, liquid can be compressed by the hollow piston in the reciprocating process in the compression cylinder, the compression of the liquid is stable and continuous, the lubrication sealing effect of the joint of the piston rod and the compression cylinder is good, the leakage of the joint of the piston rod and the compression cylinder is reduced, and the compression efficiency of the liquid is improved.
Description
Technical Field
The invention relates to the technical field of compressors, in particular to a liquid compression machine.
Background
At present, the compressor is a general machine in the fields of aerospace, petrochemical industry and the like, and the main compressors in the market at present mainly comprise sliding vane type, reciprocating type, centrifugal type and screw compressors, wherein the reciprocating compressor is a compressor which periodically changes the volume of a cylinder body and realizes the pressurization and the transportation of liquid through the reciprocating motion of a piston or a diaphragm in an oil cylinder, and belongs to a positive displacement compressor.
Disclosure of Invention
The invention aims to overcome the existing defects, and provides a liquid compression machine, wherein the hollow piston compresses liquid in the reciprocating process in a compression cylinder, the compression of the liquid is stable and continuous, the lubrication sealing effect of the joint of a piston rod and the compression cylinder is good, lubricating oil can be continuously added, the leakage of the joint of the piston rod and the compression cylinder is reduced, the compression efficiency of the liquid is improved, and the problems in the background art can be effectively solved.
In order to achieve the above purpose, the present invention provides the following technical solutions: a liquid compression machine comprising:
the liquid compression mechanism comprises a compression cylinder, a cylinder cover, a hollow piston rod, a liquid inlet electromagnetic valve, a liquid inlet header pipe, liquid discharge one-way valves, a liquid discharge header pipe and a liquid discharge header pipe, wherein the cylinder cover is connected to the top opening of the compression cylinder in a threaded manner, the hollow piston is vertically and slidingly connected in the compression cylinder, the upper side of the hollow piston is a conical mechanism, the top center of the hollow piston is fixedly connected with the bottom end of the hollow piston rod, the hollow piston rod is slidingly connected with a piston rod sealing and lubricating limiting mechanism, the piston rod sealing and lubricating limiting mechanism is fixed in a through hole in the middle of the cylinder cover, the upper end and the lower end of the left side of the compression cylinder are respectively provided with a liquid inlet, the two liquid inlet ports are respectively connected with one ends of the two liquid inlet electromagnetic valves, the other ends of the two liquid inlet electromagnetic valves are respectively connected with two ends of the liquid inlet header pipe, the upper end and the lower end of the right side of the compression cylinder are respectively provided with an air outlet, the two air outlets are respectively connected with one ends of the two liquid discharge one-way valves, the other ends of the two liquid discharge one-way valves are respectively connected with two ends of the liquid discharge header pipe, and the middle part of the liquid discharge header pipe is fixedly connected with one end of the liquid discharge header pipe;
the bottom end of the reciprocating power mechanism is fixedly connected with the outer side of the top of the hollow piston rod;
the piston lubrication sealing mechanism is arranged on the outer side of the hollow piston.
The top of the compression cylinder is sealed through the cylinder cover, the reciprocating power mechanism drives the hollow piston rod to move up and down, the piston rod is sealed, the lubrication limiting mechanism limits the hollow piston rod, the hollow piston rod drives the hollow piston to move up and down in the compression cylinder, when the hollow piston moves up in the compression cylinder, the liquid inlet electromagnetic valve at the upper side is closed, the liquid inlet electromagnetic valve at the lower side is opened, external liquid enters into the space at the lower side of the hollow piston in the compression cylinder through the liquid inlet header and the liquid inlet electromagnetic valve at the lower side, the liquid in the space at the upper side of the hollow piston in the compression cylinder is compressed and then enters into the liquid outlet header and the liquid outlet main through the liquid outlet one-way valve at the upper side, the liquid is compressed in the hollow piston process, the liquid is kept continuously, and the sealing performance between the hollow piston and the compression cylinder can be improved.
Further, the piston rod sealing lubrication limiting mechanism comprises a limiting sliding sleeve, a first screw and a sealing ring, the limiting sliding sleeve is arranged in a through hole in the middle of the cylinder cover, the mounting edge of the limiting sliding sleeve is fixed on the upper side of the cylinder cover through the first screw, the hollow piston rod penetrates through the inner side of the limiting sliding sleeve, and the sealing ring is mounted in two annular mounting grooves in the inner side of the limiting sliding sleeve. The pair of spacing sliding sleeves of screw is fixed, and spacing sliding sleeve carries out spacingly to the hollow piston rod, makes hollow piston rod slide from top to bottom along spacing sliding sleeve is stable, and the sealing ring can improve the leakproofness of hollow piston rod and spacing sliding sleeve slip department.
Further, the piston rod sealing lubrication limiting mechanism further comprises a lubricating oil baffle ring, the upper side integrated into one piece of the limiting sliding sleeve is connected with the lubricating oil baffle ring, and the lubricating oil baffle ring and the limiting sliding sleeve are concentric. The lubricating oil baffle ring can block lubricating oil on the inner side of the upper surface of the limiting sliding sleeve, so that lubricating oil enclosed by the inner side of the lubricating oil baffle ring can infiltrate between the limiting sliding sleeve and the hollow piston rod along with the up-and-down movement of the hollow piston rod.
Further, the reciprocating power mechanism comprises an installation vertical frame, a fixing bolt and a reciprocating control assembly, wherein the outer side of the top of the hollow piston rod is fixedly connected with the bottom of the installation vertical frame through the fixing bolt, and the top of the installation vertical frame is fixedly connected with the bottom of the reciprocating control assembly through the fixing bolt. The reciprocating control assembly drives the hollow piston rod to reciprocate up and down through the fixing bolt and the mounting vertical frame.
Further, the piston lubrication sealing mechanism comprises a positioning column, a first piston ring and a second piston ring, the upper end and the lower end of the outer periphery side of the hollow piston are respectively provided with a first annular groove, the first piston ring is respectively arranged in the two first annular grooves, the middle part of the outer periphery side of the hollow piston is provided with a second annular groove, the second piston ring is arranged in the second annular groove, the middle part of the outer periphery side of the hollow piston is clamped with the positioning column, and the positioning column is clamped with the second piston ring. The tightness between the compression cylinder and the hollow piston can be improved through the first piston ring and the second piston ring, the positioning column is used for fixedly positioning the second piston ring, and the accuracy and stability of the second piston ring are improved.
Further, the device also comprises a compression cylinder inner part dismounting and maintaining structure, and the bottom end of the compression cylinder is provided with the compression cylinder inner part dismounting and maintaining structure. The inner part disassembly and maintenance structure of the compression cylinder can discharge liquid in the compression cylinder to open the bottom of the compression cylinder to maintain the hollow piston and accessories in the compression cylinder.
Further, the piston rod lubricating oil adding control mechanism comprises an adding amount control assembly, a piston rod lubricating oil pressurizing and adding assembly and a pressing assembly, wherein the piston rod lubricating oil pressurizing and adding assembly is installed on the side face of the adding amount control assembly, a lubricating oil adding head in the piston rod lubricating oil pressurizing and adding assembly corresponds to the upper side of the lubricating oil baffle ring, and the pressing assembly is located above the piston rod lubricating oil pressurizing and adding assembly.
The height of the piston rod lubricating oil pressurization adding component can be changed by the adding quantity control component, when the reciprocating control component in the reciprocating power mechanism moves downwards, the piston rod lubricating oil pressurization adding component is extruded by the pressing component, the piston rod lubricating oil is extruded to the inner side of the lubricating oil baffle ring, the lubricating oil is temporarily stored by the lubricating oil baffle ring, and the hollow piston rod is lubricated.
Further, the device also comprises a liquid filtering mechanism, wherein the right end of the liquid filtering mechanism is fixedly connected with the middle part of the liquid inlet header. The liquid filtering mechanism can filter the liquid entering the liquid inlet header pipe, so that impurities in the liquid are prevented from entering the compression cylinder to influence the recovery of lubricating oil, the impurities in the liquid are prevented from influencing the tightness of the compression machine, and clean liquid can be compressed.
Compared with the prior art, the invention has the beneficial effects that: the liquid compression machine has the following advantages:
1. the hollow piston can compress liquid in the reciprocating process in the compression cylinder, the compression to the liquid is stable and continuous, the connecting part of the piston rod and the compression cylinder is good in lubricating and sealing effect, lubricating oil can be continuously added, leakage of the connecting part of the piston rod and the compression cylinder is reduced, and the compression efficiency to the liquid is improved.
2. The liquid filtering mechanism can filter the liquid entering the liquid inlet header, so that impurities in the liquid are prevented from entering the compression cylinder, the impurities in the liquid are prevented from affecting the sealing performance of the compression machine, and clean liquid can be compressed.
Drawings
FIG. 1 is a schematic view of a liquid compression machine according to the present invention;
FIG. 2 is a schematic view of a liquid compression machine according to the present invention, shown in FIG. 1, partially enlarged at A;
FIG. 3 is a schematic side view of a liquid compression machine according to the present invention;
FIG. 4 is a schematic cross-sectional view of a liquid compression mechanical compression cylinder according to the present invention;
FIG. 5 is a schematic view of a liquid compression machine according to the present invention, shown in enlarged view, at B in FIG. 4;
FIG. 6 is a schematic view of a liquid compression machine according to the present invention, shown in enlarged detail at C in FIG. 4;
FIG. 7 is a schematic view of a liquid compression machine according to the present invention, shown in an enlarged partial schematic view at D in FIG. 4;
FIG. 8 is a schematic cross-sectional view of a liquid filtering mechanism of a liquid compression machine according to the present invention;
in the figure: 1 reinforcing rib, 2 liquid compression mechanism, 21 compression cylinder, 22 cylinder cover, 23 hollow piston, 24 hollow piston rod, 25 liquid inlet solenoid valve, 26 liquid inlet manifold, 27 liquid outlet check valve, 28 liquid outlet manifold, 29 liquid outlet manifold, 210 sealing rubber ring one, 3 piston rod sealing lubrication limit mechanism, 31 limit sliding sleeve, 32 screw one, 33 sealing ring, 34 lubricating oil baffle ring, 4 piston lubrication seal mechanism, 41 positioning column, 42 piston ring one, 43 piston ring two, 5 reciprocating power mechanism, 51 mounting mullion, 52 fixed bolt, 53 power U-shaped bracket, 54U-shaped reciprocating rod, 55 sliding rod, 56 movable shaft, 57 roller, 58 control wheel disc, 59 power shaft, 510 power motor, 6 piston rod lubricating oil adding control mechanism, 61 control frame, 62 sliding column, 63 screw rod, 64 knob, 65 lifting block, 66 external fixed plate, 67 lubricating oil tank, 68 fixed sleeve, 69 hose, 610 lubricating oil adding head, 611 adding mounting plate, 612 adding capping, 613 inflating rubber pump, 614 screw two, 615 frame, 616 pressing pressure disc inner part disassembly maintenance structure, 71, 73, 72 sealing ring, 72, 74 control valve half-ring, 82 filtering cylinder, 83 filtering cylinder, filter sieve coupling cylinder, 82, filter cylinder, filter sieve ring coupling, filter medium.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 6, the present embodiment provides a technical solution: a liquid compression machine, which comprises a liquid compression mechanism 2, a reciprocating power mechanism 5 and a piston lubrication sealing mechanism 4;
the liquid compression mechanism 2 comprises a compression cylinder 21, a cylinder cover 22, a hollow piston 23, a hollow piston rod 24, a liquid inlet electromagnetic valve 25, a liquid inlet header 26, a liquid outlet one-way valve 27, a liquid outlet header 28 and a liquid outlet header 29, wherein the cylinder cover 22 is in threaded connection with the top opening of the compression cylinder 21, the hollow piston 23 is vertically and slidably connected in the compression cylinder 21, the upper side of the hollow piston 23 is a conical mechanism, the top center of the hollow piston 23 is fixedly connected with the bottom end of the hollow piston rod 24, the hollow piston rod 24 is in sliding connection with the piston rod sealing lubrication limiting mechanism 3, and the piston rod sealing lubrication limiting mechanism 3 is fixed in a through hole in the middle of the cylinder cover 22.
The upper and lower ends of the left side of the compression cylinder 21 are respectively provided with a liquid inlet, the two liquid inlets are respectively connected with one ends of two liquid inlet electromagnetic valves 25, the other ends of the two liquid inlet electromagnetic valves 25 are respectively connected with two ends of a liquid inlet header 26, the upper and lower ends of the right side of the compression cylinder 21 are respectively provided with air outlets, the two air outlets are respectively connected with one ends of two liquid discharge one-way valves 27, the other ends of the two liquid discharge one-way valves 27 are respectively connected with two ends of a liquid discharge header 28, and the middle part of the liquid discharge header 28 is fixedly connected with one end of a liquid discharge header 29;
the hollow structure of the hollow piston rod 24 and the hollow piston 23 can reduce the inertia of the up-and-down movement.
The liquid compression mechanism 2 further comprises a first sealing rubber ring 210, and the first sealing rubber ring 210 is arranged between the edges of the compression cylinder 21 and the cylinder cover 22 and is used for improving the tightness between the compression cylinder 21 and the cylinder cover 22.
The piston rod sealing lubrication limiting mechanism 3 comprises a limiting sliding sleeve 31, a first screw 32 and a sealing ring 33, wherein the limiting sliding sleeve 31 is arranged in a through hole in the middle of the cylinder cover 22, the limiting sliding sleeve 31 is fixed on the upper side of the cylinder cover 22 through the first screw 32, the hollow piston rod 24 penetrates through the inner side of the limiting sliding sleeve 31, and the sealing ring 33 is arranged in two annular mounting grooves in the inner side of the limiting sliding sleeve 31. The first screw 32 fixes the limiting sliding sleeve 31, the limiting sliding sleeve 31 limits the hollow piston rod 24, so that the hollow piston rod 24 stably slides up and down along the limiting sliding sleeve 31, and the sealing ring 33 can improve the sealing performance of the sliding part of the hollow piston rod 24 and the limiting sliding sleeve 31.
The piston rod sealing lubrication limiting mechanism 3 further comprises a lubricating oil baffle ring 34, the upper side of the limiting sliding sleeve 31 is integrally formed and connected with the lubricating oil baffle ring 34, and the lubricating oil baffle ring 34 and the limiting sliding sleeve 31 are concentric. The lubricating oil baffle ring 34 can block the lubricating oil on the inner side of the upper surface of the limit sliding sleeve 31, so that the lubricating oil enclosed on the inner side of the lubricating oil baffle ring 34 can infiltrate between the limit sliding sleeve 31 and the hollow piston rod 24 along with the up-and-down movement of the hollow piston rod 24.
The bottom end of the reciprocating power mechanism 5 is fixedly connected with the outer side of the top of the hollow piston rod 24.
The reciprocating power mechanism 5 comprises an installation mullion 51, a fixing bolt 52 and a reciprocating control assembly, wherein the outer side of the top of the hollow piston rod 24 is fixedly connected with the bottom of the installation mullion 51 through the fixing bolt 52, and the top of the installation mullion 51 is fixedly connected with the bottom of the reciprocating control assembly through the fixing bolt 52. The reciprocation control assembly drives the hollow piston rod 24 to reciprocate up and down through the fixing bolt 52 and the mounting mullion 51.
The reciprocating control assembly comprises a power U-shaped support 53, a U-shaped reciprocating rod 54, a sliding rod 55, a movable shaft 56, rollers 57, a control wheel disc 58, a power shaft 59 and a power motor 510, wherein square sliding holes are respectively formed in the upper end and the lower end of the power U-shaped support 53, the sliding rod 55 is fixedly connected to the upper end and the lower end of the U-shaped reciprocating rod 54 respectively, the U-shaped reciprocating rod 54 is located on the inner side of the power U-shaped support 53, two sliding rods 55 at the upper end and the lower end of the U-shaped reciprocating rod 54 are respectively and vertically connected with the two square sliding holes in a sliding mode, the rollers 57 are respectively connected to the rear sides of the two ends of the U-shaped reciprocating rod 54 in a rotating mode through the movable shaft 56, the middle of the power U-shaped support 53 is connected with the power shaft 59 in a rotating mode, the rear end of the power shaft 59 is fixedly connected with an output shaft of the power motor 510, the front end of the power shaft 59 is fixedly connected with the middle of the control wheel disc 58, the control wheel disc 58 is located on the inner side of the U-shaped reciprocating rod 54, the control wheel disc 58 is triangular, the three corners of the control wheel disc 58 are reversely arranged, arc grooves are respectively formed in the middle of the three sides of the control wheel disc 58, the two rollers 57 are respectively and the two rollers 57 are respectively connected with the bottom sides of the outer side Zhou Cegun of the control wheel disc 55 through the sliding rods which are fixedly connected with the top of a round-shaped bolt fixing frame 52.
The power motor 510 operates to drive the power shaft 59 to rotate, thereby driving the control wheel disc 58 to rotate in the U-shaped reciprocating rod 54, and as the rollers 57 are in rolling connection with the control wheel disc 58, along with the rotation of the control wheel disc 58, the two rollers 57 are alternately contacted with one corner of the control wheel disc 58 and the opposite arc-shaped groove thereof, thereby driving the U-shaped reciprocating rod 54 and the sliding rod 55 to slide up and down along the square sliding hole, and driving the hollow piston rod 24 to reciprocate up and down through the mounting mullion 51.
The piston lubrication sealing mechanism 4 comprises a positioning column 41, a first piston ring 42 and a second piston ring 43, the upper end and the lower end of the outer periphery side of the hollow piston 23 are respectively provided with a first annular groove, the first piston ring 42 is respectively arranged in the first annular grooves, the middle part of the outer periphery side of the hollow piston 23 is provided with a second annular groove, the second piston ring 43 is arranged in the second annular groove, the middle part of the outer periphery side of the hollow piston 23 is clamped with the positioning column 41, and the positioning column 41 is clamped with the second piston ring 43. The tightness between the compression cylinder and the hollow piston can be improved through the first piston ring and the second piston ring, the positioning column 41 is used for fixedly positioning the second piston ring 43, and the installation accuracy and stability of the second piston ring 43 are improved.
When in use, the top of the compression cylinder 21 is sealed through the cylinder cover 22, the reciprocating power mechanism 5 drives the hollow piston rod 24 to move up and down, the piston rod sealing and lubricating limiting mechanism 3 limits the hollow piston rod 24, and the hollow piston rod 24 drives the hollow piston 23 to move up and down in the compression cylinder 21;
when the hollow piston 23 moves upwards in the compression cylinder 21, the upper liquid inlet electromagnetic valve 25 is closed, the lower liquid inlet electromagnetic valve 25 is opened, external liquid enters a space positioned below the hollow piston 23 in the compression cylinder 21 through the liquid inlet header 26 and the lower liquid inlet electromagnetic valve 25, and the liquid positioned in the space positioned above the hollow piston 23 in the compression cylinder 21 is compressed and then enters the liquid outlet header 28 and the liquid outlet header 29 through the upper liquid outlet check valve 27;
when the hollow piston 23 moves downwards in the compression cylinder 21, the upper liquid inlet electromagnetic valve 25 is opened, the lower liquid inlet electromagnetic valve 25 is closed, external liquid enters a space positioned on the upper side of the hollow piston 23 in the compression cylinder 21 through the liquid inlet header 26 and the upper liquid inlet electromagnetic valve 25, the liquid positioned in the space positioned on the lower side of the hollow piston 23 in the compression cylinder 21 is compressed and then enters the liquid outlet header 28 and the liquid outlet header 29 through the lower liquid outlet check valve 27, and the liquid is compressed in the reciprocating process of the hollow piston 23, so that the continuity of the compressed liquid is maintained;
the piston lubrication sealing mechanism 4 can improve the sealing property between the hollow piston and the compression cylinder.
In a second embodiment, referring to fig. 1 to 3, the present embodiment provides a technical solution: a liquid compression machine of the present embodiment is substantially the same as that of the first embodiment except that:
the piston rod lubricating oil adding control mechanism 6 is further included, the piston rod lubricating oil adding control mechanism 6 comprises an adding amount control assembly, a piston rod lubricating oil pressurizing and adding assembly and a pressing assembly, the piston rod lubricating oil pressurizing and adding assembly is installed on the side face of the adding amount control assembly, a lubricating oil adding head 610 in the piston rod lubricating oil pressurizing and adding assembly corresponds to the upper side of the lubricating oil baffle ring 34, and the pressing assembly is located above the piston rod lubricating oil pressurizing and adding assembly.
The height of the piston rod lubricating oil pressurizing and adding component can be changed by the adding amount control component, when the reciprocating control component in the reciprocating power mechanism 5 moves downwards, the piston rod lubricating oil is extruded to the inner side of the lubricating oil baffle ring 34 by the pressing component, the lubricating oil is temporarily stored by the lubricating oil baffle ring 34, and the hollow piston rod 24 is lubricated.
The additive amount control assembly comprises a control frame 61, a sliding column 62, a screw 63, a knob 64, a lifting block 65 and an external fixing plate 66, wherein the vertical sliding column 62 is fixedly connected in the control frame 61, the vertical screw 63 is rotationally connected to the control frame 61, the knob 64 is fixedly connected to the top end of the screw 63, a screw hole on the lifting block 65 is in threaded connection with the screw 63, a sliding hole on the lifting block 65 is in vertical sliding connection with the sliding column 62, the external fixing plate 66 is arranged on the outer side of the control frame 61, and a fixing hole is formed in the external fixing plate 66 and can be used for installing the control frame 61 through screw matching with the external fixing plate 66.
The knob 64 is rotated to drive the screw 63 to rotate, and the screw 63 and the lifting block 65 are in threaded action to drive the lifting block 65 to move up and down along the sliding column 62, so that the height of the piston rod lubricating oil pressurizing and adding assembly can be changed, the pressing degree of the piston rod lubricating oil pressurizing and adding assembly can be changed when the U-shaped reciprocating rod 54 moves up and down, the lubricating oil adding amount of each time is changed, the pressing degree of the piston rod lubricating oil pressurizing and adding assembly is larger when the piston rod lubricating oil pressurizing and adding assembly is lifted, the oil outlet amount of each time is larger when the U-shaped reciprocating rod 54 moves down, and vice versa.
Piston rod lubricating oil pressurization interpolation subassembly includes lubricating oil tank 67, oil tank fixed cover 68, hose 69, lubricating oil interpolation head 610, interpolation head mounting panel 611, interpolation lid 612 and inflation foot pump 613, the side of lifting block 65 is through the fixed cover 68 fixedly connected with lubricating oil tank 67 of oil tank, the top of lubricating oil tank 67 is provided with inflation foot pump 613, the top gas pocket of lubricating oil tank 67 is connected to the inflation inlet of inflation foot pump 613, top one side oil filling mouth threaded connection of lubricating oil tank 67 has interpolation lid 612, the one end of hose 69 is connected to the bottom of lubricating oil tank 67, the top of lubricating oil interpolation head 610 is connected to the other end of hose 69, and lubricating oil interpolation head 610 is fixed at the bottom side of installation mullion 51 through interpolation head mounting panel 611.
When the U-shaped reciprocating rod 54 moves downwards, the pressing component presses the inflating foot pump 613, the inflating foot pump 613 pressurizes the lubricating oil tank 67, lubricating oil in the lubricating oil tank 67 is sent into the lubricating oil adding head 610 through the hose 69 and then falls to the inner side of the lubricating oil baffle ring 34, and the adding cover 612 can be opened to be added when the lubricating oil in the lubricating oil tank 67 is insufficient.
The pressing assembly comprises a second screw 614, a bent frame 615 and a pressing disc 616, wherein the bottom of the U-shaped reciprocating rod 54 is fixedly connected with the bent frame 615 through the second screw 614, the bottom of the bent frame 615 is fixedly connected with the pressing disc 616, and the pressing disc 616 is positioned right above the inflating foot pump 613.
With each downward movement of the U-shaped reciprocating lever 54, the bent frame 615 drives the pressing plate 616 to move downward, the pressing plate 616 presses the inflating foot pump 613 to inflate and pressurize the lubricating oil tank 67, and each upward movement of the pressing plate 616, the inflating foot pump 613 resets for inhalation.
In a third embodiment, referring to fig. 3, fig. 4 and fig. 7, the present embodiment provides a technical solution: the liquid compression machine of this embodiment is substantially the same as the second embodiment in that:
still including compressing the interior spare dismantlement maintenance structure 7 of section of thick bamboo, compressing the interior spare dismantlement maintenance structure 7 of section of thick bamboo and including bottom 71, screw three 72, go out oil pipe 73, control valve one 74, sealing rubber ring two 75, sealing ring 76, the bottom of compressing section of thick bamboo 21 passes through screw three 72 fixed connection bottom 71, the middle part indent of bottom 71, be provided with sealing ring 76 between the bottom inner wall of bottom 71 and compressing section of thick bamboo 21, sealing ring 76 adopts O type rubber ring, be provided with sealing rubber ring two 75 between the bottom border of bottom 71 and compressing section of thick bamboo 21, can improve the gas tightness between bottom 71 and the compressing section of thick bamboo 21 through sealing ring 76 and sealing rubber ring two 75, prevent oil leakage simultaneously.
The middle part of the bottom cover 71 is fixedly connected with the top of the oil outlet pipe 73, and a first control valve 74 is arranged in the middle of the oil outlet pipe 73;
the first control valve 74 is opened, the oil collected at the bottom of the bottom cover 71 is discharged through the oil outlet pipe 73, and at this time, the bottom cover 71 is opened by the third screw 72, and maintenance is performed on the components in the compression cylinder 21.
In a fourth embodiment, referring to fig. 1, 3 and 8, the present embodiment provides a technical solution: the liquid compression machine of this embodiment is substantially the same as the third embodiment in that:
the device also comprises a liquid filtering mechanism 8, wherein the right end of the liquid filtering mechanism 8 is fixedly connected with the middle part of the liquid inlet header 26. The liquid filtering mechanism 8 can filter the liquid entering the liquid inlet header 26, so that impurities in the liquid can be prevented from entering the compression cylinder 21 to influence the recovery of lubricating oil, the impurities in the liquid can be prevented from influencing the sealing performance of the compression machine, and clean liquid can be compressed.
The liquid filtering mechanism 8 comprises a filtering half tank 81, a connecting bolt 82, a filtering screen cylinder 83, an external ring 84 and filtering liquid cotton 85, wherein the filtering half tank 81 is provided with two filtering half tanks 81, the two filtering half tanks 81 are oppositely arranged, one end edge of each of the two filtering half tanks 81 is provided with a connecting edge, the two connecting edges are connected through the connecting bolt 8, the two filtering half tanks 81 form a filtering tank, the filtering screen cylinder 83 is arranged in the filtering tank, one end of the filtering screen cylinder 83 is provided with a detachable end cover, and the filtering liquid cotton 85 is arranged in the filtering screen cylinder 83.
The outer periphery side of the filter screen cylinder 83 is fixedly connected with an external ring 84, the external ring 84 is positioned between the two connecting edges, the external ring 84 is penetrated by the connecting bolts 8, the left end of the left half filter tank 81 is provided with a liquid feeding pipeline 86, and the right end of the right half filter tank 81 is connected with the middle inlet of the liquid inlet header 26.
Liquid enters the filter tank through the liquid feeding pipeline 86, is filtered through the filter screen cylinder 83 and the internal filtrate cotton 85, and then enters the liquid inlet header 26, if the filter effect of the filtrate cotton 85 is reduced after long-term use, the two filter half tanks 81 are opened through the connecting bolts 82, the filter screen cylinder 83 can be removed, and the detachable end cover at the end part of the filter screen cylinder 83 is opened to replace the filtrate cotton 85.
In other embodiments, please refer to fig. 1, further include reinforcing rib 1, the circumferential side annular array of compression section of thick bamboo 21 is provided with reinforcing rib 1, reinforcing rib 1 and compression section of thick bamboo 21 integrated into one piece set up, can improve the structural strength of compression section of thick bamboo 21, and explosion-proof effect is good, because the compression of continuous liquid in the compression section of thick bamboo 21, use reinforcing rib 1 can make compression section of thick bamboo 21 structural strength high, be difficult for deformation, avoid influencing compression machinery's normal work.
It should be noted that, in the above embodiment, the input ends of the liquid inlet electromagnetic valve 25 and the power motor 510 are electrically connected to the output end of the external power source through the external PLC controller, the power motor 510 adopts a servo motor, and the external PLC controller controls the liquid inlet electromagnetic valve 25 and the power motor 510 to work by a method commonly used in the prior art.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A liquid compression machine, comprising:
the liquid compression mechanism (2) comprises a compression cylinder (21), a cylinder cover (22) is connected to the top opening of the compression cylinder (21) in a threaded manner, a hollow piston (23) is vertically and slidably connected in the compression cylinder (21), the upper side of the hollow piston (23) is a conical mechanism, the top center of the hollow piston (23) is fixedly connected with the bottom end of a hollow piston rod (24), the hollow piston rod (24) is slidably connected with a piston rod sealing and lubricating limiting mechanism (3), the piston rod sealing and lubricating limiting mechanism (3) is fixed in a through hole in the middle of the cylinder cover (22), liquid inlets are respectively arranged at the upper end and the lower end of the left side of the compression cylinder (21), one ends of two liquid inlet electromagnetic valves (25) are respectively connected, the other ends of the two liquid inlet electromagnetic valves (25) are respectively connected with two ends of a liquid inlet header (26), the right side upper end and the lower end of the compression cylinder (21) are respectively provided with air outlets, the two air outlets are respectively connected with one ends of two liquid outlet one-way valves (27), the other ends of the two liquid outlet one-way valves (27) are respectively connected with one ends of a liquid outlet one end of a liquid outlet one-way header (28), and the other ends of the two liquid outlet one-way valves (27) are respectively connected with one end of the liquid outlet one header (28) respectively.
The bottom end of the reciprocating power mechanism (5) is fixedly connected with the outer side of the top of the hollow piston rod (24);
and the piston lubrication sealing mechanism (4) is arranged on the outer side of the hollow piston (23).
2. The liquid compression machine of claim 1, wherein: the piston rod sealing lubrication limiting mechanism (3) comprises a limiting sliding sleeve (31), a first screw (32) and a sealing ring (33), wherein the limiting sliding sleeve (31) is arranged in a through hole in the middle of the cylinder cover (22), the limiting sliding sleeve (31) is fixed on the upper side of the cylinder cover (22) along the first screw (32), the hollow piston rod (24) penetrates through the inner side of the limiting sliding sleeve (31), and the sealing ring (33) is arranged in two annular mounting grooves in the inner side of the limiting sliding sleeve (31).
3. The liquid compression machine of claim 2, wherein: the piston rod sealing lubrication limiting mechanism (3) further comprises a lubricating oil baffle ring (34), the upper side of the limiting sliding sleeve (31) is integrally formed and connected with the lubricating oil baffle ring (34), and the lubricating oil baffle ring (34) and the limiting sliding sleeve (31) are concentric.
4. The liquid compression machine of claim 1, wherein: the reciprocating power mechanism (5) comprises an installation vertical frame (51), a fixing bolt (52) and a reciprocating control assembly, wherein the outer side of the top of the hollow piston rod (24) is fixedly connected with the bottom of the installation vertical frame (51) through the fixing bolt (52), and the top of the installation vertical frame (51) is fixedly connected with the bottom end of the reciprocating control assembly through the fixing bolt (52).
5. The liquid compression machine of claim 1, wherein: the piston lubrication sealing mechanism (4) comprises a positioning column (41), a first piston ring (42) and a second piston ring (43), annular grooves I are respectively formed in the upper end and the lower end of the outer periphery side of the hollow piston (23), the first piston ring (42) is respectively arranged in the two annular grooves I, an annular groove II is formed in the middle of the outer periphery side of the hollow piston (23), the second piston ring (43) is arranged in the annular groove II, the positioning column (41) is clamped in the middle of the outer periphery side of the hollow piston (23), and the positioning column (41) is clamped with the second piston ring (43).
6. The liquid compression machine of claim 1, wherein: the device further comprises a compression cylinder inner part dismounting maintenance structure (7), and the bottom end of the compression cylinder (21) is provided with the compression cylinder inner part dismounting maintenance structure (7).
7. A liquid compression machine according to claim 3, wherein: the piston rod lubricating oil adding control mechanism (6) is further included, the piston rod lubricating oil adding control mechanism (6) comprises an adding amount control assembly, a piston rod lubricating oil pressurizing and adding assembly and a pressing assembly, the piston rod lubricating oil pressurizing and adding assembly is installed on the side face of the adding amount control assembly, a lubricating oil adding head (610) in the piston rod lubricating oil pressurizing and adding assembly corresponds to the upper side of the lubricating oil baffle ring (34), and the pressing assembly is located above the piston rod lubricating oil pressurizing and adding assembly.
8. The liquid compression machine of claim 1, wherein: the device also comprises a liquid filtering mechanism (8), wherein the right end of the liquid filtering mechanism (8) is fixedly connected with the middle part of the liquid inlet header (26).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202310990869.4A CN116906320A (en) | 2023-08-08 | 2023-08-08 | Liquid compression machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202310990869.4A CN116906320A (en) | 2023-08-08 | 2023-08-08 | Liquid compression machine |
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CN116906320A true CN116906320A (en) | 2023-10-20 |
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CN202310990869.4A Pending CN116906320A (en) | 2023-08-08 | 2023-08-08 | Liquid compression machine |
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CN (1) | CN116906320A (en) |
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2023
- 2023-08-08 CN CN202310990869.4A patent/CN116906320A/en active Pending
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