CN114856807B - Piston synchronizer of opposed free piston engine - Google Patents
Piston synchronizer of opposed free piston engine Download PDFInfo
- Publication number
- CN114856807B CN114856807B CN202210517558.1A CN202210517558A CN114856807B CN 114856807 B CN114856807 B CN 114856807B CN 202210517558 A CN202210517558 A CN 202210517558A CN 114856807 B CN114856807 B CN 114856807B
- Authority
- CN
- China
- Prior art keywords
- piston
- driving
- driving cylinder
- synchronizer
- mounting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 60
- 239000010959 steel Substances 0.000 claims description 60
- 238000009434 installation Methods 0.000 claims description 35
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 230000007246 mechanism Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 description 14
- 230000008569 process Effects 0.000 description 14
- 238000002485 combustion reaction Methods 0.000 description 6
- 230000002035 prolonged effect Effects 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B71/00—Free-piston engines; Engines without rotary main shaft
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Abstract
The invention discloses a piston synchronizer of an opposite type free piston engine, which comprises a driving cylinder, wherein driving pistons are symmetrically and movably arranged on the inner side of the driving cylinder, driving piston rods are fixedly connected to the middle part of one end of the driving piston at positions corresponding to the two ends of the driving cylinder, mounting side panels are arranged at the top and the bottom of the outer side of the driving cylinder, mounting side posts are fixedly mounted at the two ends of the two mounting side panels through bolts, and mounting sleeves are sleeved at the ends of the two driving piston rods.
Description
Technical Field
The invention relates to the technical field of piston engines, in particular to a piston synchronizer of an opposite free piston engine.
Background
The free piston engine is an internal combustion engine without a crank-link mechanism, the piston is free, the piston is not limited by a crank shaft like the traditional internal combustion engine, the motion rule is determined by the gas pressure and the load acting on the piston, the upper dead center position and the lower dead center position of the piston can be changed, the crank shaft is omitted, the free piston engine has the characteristics of small volume and compact structure, the piston stroke is variable, the friction loss is small, the opposite free piston engine is one of the free piston engines, the main characteristics are that two pistons are symmetrically arranged and do mirror image motion, a combustion chamber is arranged between the two pistons, and the working principle is that the two-stroke internal combustion engine adopts a circulation mode: when the two pistons move inwards, compressed air is used for pushing the two pistons to move towards two sides respectively when the pistons reach an inner dead point, fuel is injected for ignition combustion, air expansion pushes the two pistons to store elastic potential energy, when the two pistons are distributed to cross an air inlet (left side port) and an air outlet (right side port), scavenging starts, air pressure of the air inlet is larger than that of the air outlet, fresh air enters from the air inlet, waste gas is blown out from the air outlet, sufficient oxygen in a cylinder is ensured, along with compression of the rebound cavity, the pressure in the cavity is larger and larger, the outward movement speed of the pistons tends to zero, the rebound cavity pushes the two pistons inwards from the outer side, air in a combustion chamber is compressed, the next ignition is prepared, the reciprocating movement of the pistons can drive a linear generator to generate electricity, or an oil pressure plunger pump is driven to be converted into pressure energy, and the like, and a synchronizer is needed for ensuring synchronous movement of the pistons at two sides of a free piston engine;
however, the synchronizer used in the free piston engine is of a complex connecting rod structure, and meanwhile, the size of the mechanical connecting rod structure limits the upper limit of the stroke of the piston, and meanwhile, the mechanical connecting rod structure is influenced by the transportation mode of the connecting rod structure, so that the piston can be subjected to additional radial force in the transportation process, the friction force between the piston and the cylinder is increased, the service life of the cylinder is shortened, and the development process of the free piston engine is reduced.
Disclosure of Invention
The invention provides a piston synchronizer of an opposite type free piston engine, which can effectively solve the problems that the synchronizer used in the free piston engine in the background art is of a complex connecting rod structure, the size of a mechanical connecting rod structure limits the upper limit of the stroke of a piston, and the piston is influenced by the transportation mode of the connecting rod structure, so that the piston is subjected to extra radial force in the transportation process, the friction force between the piston and a cylinder is further increased, the service life of the cylinder is shortened, and the development progress of the free piston engine is reduced.
In order to achieve the above purpose, the present invention provides the following technical solutions: the piston synchronizer of the opposed free piston engine comprises a driving cylinder, wherein driving pistons are symmetrically and movably arranged on the inner side of the driving cylinder, and driving piston rods are fixedly connected to the middle part of one end of the driving piston at positions corresponding to the two ends of the driving cylinder;
the top and the bottom of the outer side of the driving cylinder are respectively provided with a mounting side panel, and mounting side posts are fixedly mounted at two ends of each mounting side panel through bolts;
the two end parts of the driving piston rod are sleeved with mounting sleeves, the corner positions of the top end and the bottom end of each mounting sleeve are fixedly connected with a steel cable connecting rod, the outer end of each steel cable connecting rod is provided with a mounting groove, the middle part of the top end of each mounting sleeve is connected with a fixing pin in a penetrating manner through threads, and the mounting sleeves, the steel cable connecting rods and the mounting grooves form a piston rod-steel cable connector together;
pulley support frames are symmetrically and fixedly arranged at two ends of a side panel at the bottom of the driving cylinder, and guide pulleys are rotatably connected to the top of the inner side of each pulley support frame through a rotating shaft;
the tail ends of the steel rope connecting rods are sleeved with connecting hoops at positions corresponding to the inner positions of the mounting grooves, and traction steel ropes are fixedly connected to two sides of each connecting hoop;
the inner side of the installation side panel is connected with a fixed support through bolts at the position corresponding to the outer side of the traction steel cable, and the end part of the fixed support is rotationally connected with a magnetic guide wheel through a rotating shaft.
Preferably, the driving cylinder is a standard cylinder in the piston engine, and a corresponding valve structure and a stroke limiting mechanism of the driving piston are arranged in the driving cylinder.
Preferably, two installation side board four corners department has all run through and has seted up the installation long circular slot, installation side board limit portion corresponds installation side post tip position department and has all seted up U type mounting groove, two interval between the installation side board is adjusted according to the length of installation side post.
Preferably, the inner side of the mounting sleeve is tightly attached to the outer side of the corresponding driving piston rod, the fixing pin penetrates through the mounting sleeve and the driving piston rod at the same time, and the end face of the fixing pin is kept flush with the side face of the mounting sleeve.
Preferably, the two mounting sleeves are symmetrically mounted, and the two steel cable connecting rods are distributed in a central symmetry manner relative to the central axis of the driving piston rod.
Preferably, the pulley support frame and the guide pulley share four groups, two groups are respectively arranged on two sides of the driving cylinder, the central axes of the four groups of guide pulleys are perpendicular to the central axis of the driving cylinder, and the central points of all the guide pulleys are located at the same height with the central axis of the driving cylinder.
Preferably, the number of the traction steel cables is four, the installation positions of the traction steel cables are symmetrically distributed in pairs about the center point of the driving cylinder, and the traction steel cables are coiled on the outer sides of the corresponding guide pulleys.
Preferably, the starting end of the traction steel cable is connected with one side of a connecting hoop at one end of the driving cylinder, the tail end of the traction steel cable is connected with the other side of the connecting hoop at the other end of the driving cylinder, and the two connecting hoops are respectively positioned at the top and the bottom of the driving cylinder.
Preferably, the inner side of the magnetic guide wheel is tightly attached to the outer side of the traction steel rope, and the magnetic guide wheel and the traction steel rope are attracted mutually.
Preferably, the traction steel rope is always in a tight state in the movement process, and the movement direction of the traction steel rope is always kept in the axial direction of the driving cylinder.
Compared with the prior art, the invention has the beneficial effects that: the invention has scientific and reasonable structure and safe and convenient use:
1. the flexible synchronizer is formed by matching the piston rod with the cable wire connector, the traction cable wire and the guide pulleys, so that synchronous operation of the driving piston in the free piston engine is effectively ensured, meanwhile, the combined action of the guide pulleys and the traction cable wires which are symmetrically arranged in a central symmetrical mode of the piston rod with the cable wire connector is utilized, and the radial force borne by the driving piston and the driving piston rod is effectively eliminated, so that the driving piston cannot generate additional friction force with the inner wall of the driving cylinder due to the additional radial force in the movement process of the driving piston, the abrasion speed of the driving cylinder is effectively reduced, the service life of the free piston engine is prolonged, and the use cost of the free piston engine is reduced.
2. Through optimizing the structure principle of the synchronizer, the requirement on the installation accuracy of the synchronizer is effectively reduced, the symmetry of the initial position of the driving piston is only required to be kept in the installation process of the synchronizer, and the traction steel rope is kept tight after the installation is completed, so that the synchronization of the movement in the motion process of the free piston engine can be ensured, the installation positions of the piston rod-steel rope connector and the guide pulley are more free, the adaptability of the synchronizer to the use environment is improved, and the popularization and the use of the free piston engine are facilitated.
3. Through the optimization to the synchronizer structure, the effectual distribution range who changes the synchronizer makes the motion subassembly of synchronizer mainly distribute in the outside region of actuating cylinder, and the motion offset of synchronizer is little, further compressed the required installation space of synchronizer, and then reduced the whole volume of free piston engine, the effectual miniaturized process of free piston engine that has accelerated, further improved the popularization efficiency of free piston engine related products, the effectual use convenience that has increased free piston engine, carry out auxiliary stay to traction wire rope through fixed stay and magnetism guide pulley simultaneously, the effectual influence of gravity to traction wire rope deflection that has reduced, the performance of synchronizer has further been improved.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.
In the drawings:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the structure of the inside of the driving cylinder of the present invention;
FIG. 3 is a schematic view of the construction of the installation sleeve installation of the present invention;
FIG. 4 is a schematic view of the distribution of the traction ropes of the present invention;
FIG. 5 is a schematic view of the installation of the guide pulley of the present invention;
FIG. 6 is a schematic view of the cable tie rod installation of the present invention;
FIG. 7 is a schematic view of the structure of the installation of the fixing pin of the present invention;
reference numerals in the drawings: 1. a driving cylinder; 2. driving a piston; 3. driving a piston rod; 4. installing a side panel; 5. installing side posts; 6. installing a sleeve; 7. a wire rope connecting rod; 8. a mounting groove; 9. a fixing pin; 10. a pulley support; 11. a guide pulley; 12. a connection hoop; 13. traction steel rope; 14. a fixed support; 15. magnetic guide wheels.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
Examples: as shown in fig. 1-7, the invention provides a technical scheme, a piston synchronizer of an opposite free piston engine comprises a driving cylinder 1, wherein driving pistons 2 are symmetrically and movably arranged on the inner sides of the driving cylinder 1, driving piston rods 3 are fixedly connected to the middle part of one end of the driving piston 2 at positions corresponding to the two ends of the driving cylinder 1, the driving cylinder 1 is a standard cylinder in the piston engine, and a corresponding valve structure and a stroke limiting mechanism of the driving piston 2 are arranged in the driving cylinder 1;
the top and the bottom of the outer side of the driving cylinder 1 are respectively provided with a mounting side panel 4, both ends of the two mounting side panels 4 are respectively fixedly provided with a mounting side post 5 through bolts, four corners of the two mounting side panels 4 are respectively provided with a mounting long round groove in a penetrating manner, the edges of the mounting side panels 4 are respectively provided with a U-shaped mounting groove at the position corresponding to the end part of the mounting side post 5, and the distance between the two mounting side panels 4 is adjusted according to the length of the mounting side post 5;
the end parts of the two driving piston rods 3 are sleeved with mounting sleeves 6, the corner positions of the top end and the bottom end of each mounting sleeve 6 are fixedly connected with steel cable connecting rods 7, the two mounting sleeves 6 are symmetrically mounted, the two steel cable connecting rods 7 are symmetrically distributed in the center with respect to the central axis of the driving piston rod 3, the tail ends of the outer sides of the steel cable connecting rods 7 are provided with mounting grooves 8, the middle parts of the top ends of the mounting sleeves 6 are connected with fixing pins 9 in a penetrating manner through threads, the mounting sleeves 6, the steel cable connecting rods 7 and the mounting grooves 8 jointly form piston rod-steel cable connectors, the inner sides of the mounting sleeves 6 are tightly attached to the outer sides of the corresponding driving piston rods 3, the fixing pins 9 penetrate through the mounting sleeves 6 and the driving piston rods 3 at the same time, and the end faces of the fixing pins 9 are kept flush with the side faces of the mounting sleeves 6;
the pulley support frames 10 are symmetrically and fixedly arranged at the two ends of the installation side panel 4 positioned at the bottom of the driving cylinder 1, the top of the inner side of the pulley support frame 10 is rotationally connected with the guide pulleys 11 through a rotating shaft, four groups of the pulley support frames 10 and the guide pulleys 11 are respectively arranged at the two sides of the driving cylinder 1, the central axes of the four groups of the guide pulleys 11 are perpendicular to the central axis of the driving cylinder 1, the central points of all the guide pulleys 11 are positioned at the same height as the central axis of the driving cylinder 1, the installation precision requirement of the synchronizer is effectively reduced by optimizing the structure principle of the synchronizer, the symmetry of the initial position of the driving piston 2 is only needed to be kept in the installation process of the synchronizer, and the traction steel rope 13 is kept tight after the installation is completed, so that the synchronization of the movement in the movement process of a free piston engine can be ensured, thereby the installation positions of the piston rod-steel rope connector and the guide pulleys 11 are more free, the adaptability of the synchronizer to the use environment is improved, and the popularization and the use of the free piston engine are facilitated;
the end of the steel rope connecting rod 7 is sleeved with connecting hoops 12 corresponding to the inner position of the mounting groove 8, the two sides of the connecting hoops 12 are fixedly connected with traction steel ropes 13, the traction steel ropes 13 are four in total, the mounting positions of the traction steel ropes 13 are distributed symmetrically in pairs relative to the central point of the driving cylinder 1, the traction steel ropes 13 are coiled on the outer sides of the corresponding guide pulleys 11, the starting end of the traction steel ropes 13 is connected with one side of the connecting hoops 12 at one end of the driving cylinder 1, the tail end of the traction steel ropes 13 is connected with the other side of the connecting hoops 12 at the other end of the driving cylinder 1, the two connecting hoops 12 are respectively positioned at the top and the bottom of the driving cylinder 1, the traction steel ropes 13 are always in a tight state in the motion process, the motion direction of the traction steel ropes 13 is always kept in the axial direction of the driving cylinder 1, the synchronous operation of the driving piston 2 inside a free piston engine is effectively ensured through the matching between a piston rod-steel rope connector, the traction steel ropes 13 and the guide pulleys 11, the central symmetrical structural design of the piston rod-connector is utilized, and the combined action of a plurality of groups of symmetrical guide pulleys 11 and the traction steel ropes 13 is effectively eliminated, the driving force of the free piston engine 2 is effectively driven by the piston rod-connector, and the radial friction force is effectively prolonged, and the driving force of the free piston engine is prolonged, and the driving force of the piston is further, and the free piston is reduced, and the driving force is greatly prolonged, and the cost is greatly has the cost is reduced, and the driving force is effectively due to the driving force is due to the driving the piston and the piston 2;
the fixed support 14 is connected to the position of the inner side of the installation side panel 4 corresponding to the outer side of the traction steel cable 13 through bolts, the magnetic guide wheel 15 is connected to the end part of the fixed support 14 through rotation of a rotating shaft, the inner side of the magnetic guide wheel 15 is tightly attached to the outer side of the traction steel cable 13, the magnetic guide wheel 15 and the traction steel cable 13 are mutually attracted, the distribution range of the synchronizer is effectively changed through optimization of the structure of the synchronizer, the moving components of the synchronizer are mainly distributed in the outer side area of the driving cylinder 1, the moving offset of the synchronizer is small, the required installation space of the synchronizer is further compressed, the whole size of the free piston engine is further reduced, the miniaturization process of the free piston engine is effectively accelerated, the popularization efficiency of related products of the free piston engine is further improved, the use convenience of the free piston engine is effectively improved, meanwhile, the auxiliary support is carried out on the traction steel cable 13 through the fixed support 14 and the magnetic guide wheel 15, the influence of gravity on the deformation of the traction steel cable 13 is effectively reduced, and the use performance of the synchronizer is further improved.
The working principle and the using flow of the invention are as follows: in the practical application process, in the running process of a free piston engine, when two driving pistons 2 in the driving cylinder 1 are transported to two ends of the driving cylinder 1 under the action of gas expansion, each driving piston 2 drives a corresponding driving piston rod 3 to slide along the central axis direction of the driving cylinder 1;
in the moving process of the driving piston rod 3, the installation sleeve 6 is driven to synchronously move through the fixing pin 9, then the steel rope connecting rod 7 is driven to synchronously move through the movement of the installation sleeve 6, the corresponding traction steel rope 13 is pulled through the connecting hoop 12 in the moving process of the steel rope connecting rod 7, one end of the corresponding traction steel rope 13 is pulled, the moving direction of the traction steel rope 13 is converted through the guiding of the guide pulley 11, meanwhile, the connecting hoop 12 at the other end of the driving cylinder 1 is pulled through the tail end of the traction steel rope 13, and the installation sleeve 6 and the steel rope connecting rod 7 at the other end of the driving cylinder 1 are driven to synchronously move through the connecting hoop 12, and as the two groups of driving pistons 2 and the driving piston rods 3 are synchronously driven by expanding gas;
when the motion lag occurs to the driving piston 2 and the driving piston rod 3 at one end of the driving cylinder 1 due to the influence of friction force or other factors, the tension traction steel rope 13 arranged at the outer side of the driving piston rod 3 applies an additional axial traction force to the lagging driving piston rod 3, and when the motion of the driving piston 2 and the driving piston rod 3 at one end is advanced, the reverse traction of the traction steel rope 13 on the driving piston rod 3 at the other end is carried out, so that the synchronous motion of the driving piston 2 and the driving piston rod 3 at the two ends of the driving cylinder 1 is realized.
Finally, it should be noted that: the foregoing is merely a preferred example of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A piston synchronizer for an opposed free piston engine comprising a drive cylinder (1), characterized in that: the inner side of the driving cylinder (1) is symmetrically and movably provided with a driving piston (2), and the middle part of one end of the driving piston (2) is fixedly connected with driving piston rods (3) at the positions corresponding to the two ends of the driving cylinder (1);
the top and the bottom of the outer side of the driving cylinder (1) are respectively provided with a mounting side panel (4), and mounting side posts (5) are fixedly mounted at two ends of each mounting side panel (4) through bolts;
the two end parts of the driving piston rods (3) are sleeved with mounting sleeves (6), steel cable connecting rods (7) are fixedly connected to the corner positions of the top end and the bottom end of each mounting sleeve (6), mounting grooves (8) are formed in the tail ends of the outer sides of the steel cable connecting rods (7), fixing pins (9) are connected in the middle of the top ends of the mounting sleeves (6) in a threaded penetrating manner, and the mounting sleeves (6), the steel cable connecting rods (7) and the mounting grooves (8) form a piston rod-steel cable connector together;
pulley support frames (10) are symmetrically and fixedly arranged at two ends of a side panel (4) arranged at the bottom of the driving cylinder (1), and guide pulleys (11) are rotatably connected to the top of the inner side of each pulley support frame (10) through rotating shafts;
the connecting hoops (12) are sleeved at the positions, corresponding to the inner positions of the mounting grooves (8), of the tail ends of the steel cable connecting rods (7), and traction steel cables (13) are fixedly connected to the two sides of the connecting hoops (12);
the inner side of the installation side panel (4) is connected with a fixed support (14) through bolts at the outer side position of the traction steel cable (13), and the end part of the fixed support (14) is rotatably connected with a magnetic guide wheel (15) through a rotating shaft.
2. The piston synchronizer of the opposed free piston engine according to claim 1, wherein the driving cylinder (1) is a standard cylinder in the piston engine, and the driving cylinder (1) is internally provided with a corresponding valve structure and a stroke limiting mechanism for driving the piston (2).
3. The piston synchronizer of the opposed free piston engine according to claim 1, wherein the four corners of the two installation side panels (4) are respectively provided with an installation long round groove in a penetrating manner, the positions of the edges of the installation side panels (4) corresponding to the end parts of the installation side columns (5) are respectively provided with a U-shaped installation groove, and the distance between the two installation side panels (4) is adjusted according to the length of the installation side columns (5).
4. A piston synchronizer for an opposed free piston engine according to claim 1, wherein the inner side of the mounting sleeve (6) is tightly fitted to the outer side of the corresponding driving piston rod (3), the fixing pin (9) penetrates both the mounting sleeve (6) and the driving piston rod (3), and the end surface of the fixing pin (9) is kept flush with the side surface of the mounting sleeve (6).
5. A piston synchronizer for an opposed free piston engine according to claim 1, wherein the two mounting bushings (6) are symmetrically mounted and the two wire rope connecting rods (7) are centrally symmetrically distributed about the central axis of the drive piston rod (3).
6. The piston synchronizer of the opposed free piston engine according to claim 1, wherein the pulley support frame (10) and the guide pulleys (11) are four groups, two groups are respectively arranged on two sides of the driving cylinder (1), the central axes of the four groups of the guide pulleys (11) are perpendicular to the central axis of the driving cylinder (1), and the central points of all the guide pulleys (11) are positioned at the same height with the central axis of the driving cylinder (1).
7. The piston synchronizer of an opposed free piston engine according to claim 1, wherein four traction ropes (13) are provided, and the installation positions of the traction ropes (13) are symmetrically distributed in pairs with respect to the center point of the driving cylinder (1), and the traction ropes (13) are wound around the outer sides of the corresponding guide pulleys (11).
8. The piston synchronizer of the opposed free piston engine according to claim 1, wherein the start end of the traction cable (13) is connected to one side of a connecting hoop (12) at one end of the driving cylinder (1), the end of the traction cable (13) is connected to the other side of the connecting hoop (12) at the other end of the driving cylinder (1), and the two connecting hoops (12) are located at the top and the bottom of the driving cylinder (1), respectively.
9. A piston synchronizer for an opposed free piston engine according to claim 1, wherein the inner side of the magnetic guide wheel (15) is closely attached to the outer side of the traction cable (13), and the magnetic guide wheel (15) and the traction cable (13) are attracted to each other.
10. A piston synchronizer of an opposed free piston engine according to claim 1, characterized in that the traction wire rope (13) is always in a tight state during the movement, and the movement direction of the traction wire rope (13) is always maintained in the axial direction of the drive cylinder (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210517558.1A CN114856807B (en) | 2022-05-13 | 2022-05-13 | Piston synchronizer of opposed free piston engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210517558.1A CN114856807B (en) | 2022-05-13 | 2022-05-13 | Piston synchronizer of opposed free piston engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114856807A CN114856807A (en) | 2022-08-05 |
| CN114856807B true CN114856807B (en) | 2023-11-10 |
Family
ID=82637083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210517558.1A Active CN114856807B (en) | 2022-05-13 | 2022-05-13 | Piston synchronizer of opposed free piston engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114856807B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB190310686A (en) * | 1903-05-11 | 1904-03-17 | Emmanuel Amedee Della Santa | A Mechanical Device for Transmitting and Changing an Oscillating or Alternative Rectilineal Motion into a Continuous Rotary Movement. |
| GB212924A (en) * | 1923-03-12 | 1925-06-12 | Hugo Junkers | |
| GB1018434A (en) * | 1962-05-04 | 1966-01-26 | Phillips Adrian | Improvements in or relating to free piston internal combustion engine actuated hydraulic pumps |
| RU2240434C1 (en) * | 2003-10-22 | 2004-11-20 | Кондрашов Александр Евгеньевич | Method of operation and design of internal combustion engine |
| CN1975128A (en) * | 2001-09-06 | 2007-06-06 | 美国环境保护署 | Fully-controlled, free-piston engine |
| CN102536453A (en) * | 2010-11-04 | 2012-07-04 | 通用汽车环球科技运作有限责任公司 | Turbocompound free piston linear alternator |
| CN103195564A (en) * | 2013-04-01 | 2013-07-10 | 优华劳斯汽车系统（上海）有限公司 | Free piston type engine and starting method thereof |
| CN212710167U (en) * | 2020-06-22 | 2021-03-16 | 天津职业技术师范大学(中国职业培训指导教师进修中心) | Single toothpick packaging equipment and packaging machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8104436B2 (en) * | 2009-05-01 | 2012-01-31 | The United States Of America As Represented By The Administrator Of The Environmental Protection Agency | Quasi free piston engine |
-
2022
- 2022-05-13 CN CN202210517558.1A patent/CN114856807B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB190310686A (en) * | 1903-05-11 | 1904-03-17 | Emmanuel Amedee Della Santa | A Mechanical Device for Transmitting and Changing an Oscillating or Alternative Rectilineal Motion into a Continuous Rotary Movement. |
| GB212924A (en) * | 1923-03-12 | 1925-06-12 | Hugo Junkers | |
| GB1018434A (en) * | 1962-05-04 | 1966-01-26 | Phillips Adrian | Improvements in or relating to free piston internal combustion engine actuated hydraulic pumps |
| CN1975128A (en) * | 2001-09-06 | 2007-06-06 | 美国环境保护署 | Fully-controlled, free-piston engine |
| RU2240434C1 (en) * | 2003-10-22 | 2004-11-20 | Кондрашов Александр Евгеньевич | Method of operation and design of internal combustion engine |
| CN102536453A (en) * | 2010-11-04 | 2012-07-04 | 通用汽车环球科技运作有限责任公司 | Turbocompound free piston linear alternator |
| CN103195564A (en) * | 2013-04-01 | 2013-07-10 | 优华劳斯汽车系统（上海）有限公司 | Free piston type engine and starting method thereof |
| CN212710167U (en) * | 2020-06-22 | 2021-03-16 | 天津职业技术师范大学(中国职业培训指导教师进修中心) | Single toothpick packaging equipment and packaging machine |
Non-Patent Citations (1)
| Title |
|---|
| 新型对置式8缸柴油机设计方案;刘志勇;;柴油机设计与制造(第03期);全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114856807A (en) | 2022-08-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7255070B2 (en) | Internal combustion engine | |
| US4115037A (en) | Opposed piston internal combustion engine-driven pump | |
| ITCO20120028A1 (en) | ELECTROMAGNETIC ACTUATOR FOR AN ALTERNATIVE COMPRESSOR | |
| CN114856807B (en) | Piston synchronizer of opposed free piston engine | |
| US7334558B2 (en) | Slide body internal combustion engine | |
| CN206972467U (en) | A kind of horizontal four cylinders direct connection minitype reciprocating piston oilless air compressor | |
| CN105332799A (en) | Crank-free piston transmission structure | |
| CN106382198A (en) | Permanent magnet linear double-cylinder compressor | |
| CN1043805C (en) | Sleeve pump | |
| US2555809A (en) | Compressor | |
| CN212155076U (en) | High-power-density moving-coil type electromagnetic direct-drive hydraulic pump | |
| US20050247273A1 (en) | Pneumatic spring for starting a free piston internal combustion engine | |
| CN215719097U (en) | Multi-cylinder engine without crankshaft | |
| US1102321A (en) | Air-compressor system for oil-engines. | |
| US4896632A (en) | Unsymmetrical free piston engine | |
| CN200989244Y (en) | Opposed-sealed cavity internal combustion engine | |
| CN218509588U (en) | Flat plate type free piston linear generator | |
| CN116464551A (en) | Electromagnetic transmission structure of low-speed diesel engine for replacing crankshaft | |
| US20060193737A1 (en) | Fluid pump | |
| RU2008472C1 (en) | Piston machine | |
| CN107165720B (en) | Star-shaped two-stroke multi-cylinder engine | |
| CN115498844A (en) | Linear oscillation motor pump based on magnetic structure and linear reciprocating motion method thereof | |
| RU170792U1 (en) | GAS COMPRESSOR INSTALLATION | |
| RU2176025C1 (en) | Power-generating heat engine | |
| CN2300751Y (en) | Buffer cylinder series connection stroke boosting type hydraulic oscillating oil cylinder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |