CN108439249B - Jack based on high-pressure gas drive - Google Patents
Jack based on high-pressure gas drive Download PDFInfo
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- CN108439249B CN108439249B CN201810213207.5A CN201810213207A CN108439249B CN 108439249 B CN108439249 B CN 108439249B CN 201810213207 A CN201810213207 A CN 201810213207A CN 108439249 B CN108439249 B CN 108439249B
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- connecting plate
- gear
- guide
- rack
- guide grooves
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
- B66F3/247—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated pneumatically actuated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
- B66F3/25—Constructional features
- B66F3/26—Adaptations or arrangements of pistons
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/46—Combinations of several jacks with means for interrelating lifting or lowering movements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/02—Mechanical layout characterised by the means for converting the movement of the fluid-actuated element into movement of the finally-operated member
- F15B15/06—Mechanical layout characterised by the means for converting the movement of the fluid-actuated element into movement of the finally-operated member for mechanically converting rectilinear movement into non- rectilinear movement
- F15B15/065—Mechanical layout characterised by the means for converting the movement of the fluid-actuated element into movement of the finally-operated member for mechanically converting rectilinear movement into non- rectilinear movement the motor being of the rack-and-pinion type
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Toys (AREA)
- Actuator (AREA)
Abstract
The invention belongs to the technical field of jacks, and particularly relates to a jack based on high-pressure air driving, which comprises an outer jack, an installation shell, an inner jack and an air pressure driving mechanism, wherein when people use the jack designed by the invention, the jack is properly arranged; then the pneumatic driving mechanism is driven to work, so that the pneumatic connecting rod moves upwards; the pneumatic connecting rod moves upwards to enable the inner top to move towards one side of the mounting shell, wherein the square opening is formed in the mounting shell. Meanwhile, the air pressure connecting rod moves upwards to drive the second connecting rod to move upwards; the second connecting rod moves to drive the third rack to move upwards; when the inner top is completely moved to be overlapped with the outer top, the third rack can enable the second gear to rotate; the rotation of the second gear wheel can enable the inner top to move upwards; the inner jack moves upwards to drive the outer jack to move upwards; namely, the part needing to be hoisted or supported can be hoisted or supported; the jack designed by the invention can lift or support components with small gaps, and simultaneously ensures the compactness of the jack.
Description
Technical Field
The invention belongs to the technical field of jacks, and particularly relates to a jack based on high-pressure air driving.
Background
The jack is the simplest hoisting equipment with small hoisting height, uses a rigid jacking piece as a working device, and jacks heavy objects in a stroke through a top bracket or a bottom supporting claw. The jack is divided into a mechanical type and a hydraulic type, and is mainly used for vehicle repair, other hoisting, supporting and other work in departments of factories, mines, transportation and the like. If the clearance of the part needing to be lifted or supported is small during the use process, the lifting or supporting function is difficult to realize by the common jack; if the top bracket or the bottom supporting claw of the jack is designed to be thinner; although it is possible to achieve lifting or supporting parts with small clearances, the top brackets or the bottom jaws are easily damaged; it is therefore necessary to design a jack that achieves a small lifting or support clearance while being robust during use.
The invention designs a jack based on high-pressure air drive to solve the problems.
Disclosure of Invention
In order to solve the defects in the prior art, the invention discloses a jack driven by high-pressure air, which is realized by adopting the following technical scheme.
A jack based on high-pressure gas drive, its characterized in that: the pneumatic transmission mechanism comprises an outer top, an installation shell, a compression spring, an inner top, a first guide rod, a pneumatic driving mechanism, a first rack, a first gear, a first driving plate, a second gear, a third gear, a second guide rod, a first guide groove, a second guide groove, a third guide groove, a square opening, a second rack, a third rack, a fourth rack, a driving guide groove, a fourth gear, a first connecting rod, a second connecting rod, a first guide support, a first rotating shaft, a fifth gear, a second guide connection, a first support, a third guide connection, a second rotating shaft, a second support, a second driving plate, a third rotating shaft, a fourth rotating shaft and a seventh gear, wherein one end of the installation shell is provided with the square opening; four third guide grooves are formed in two symmetrical side surfaces of the inner side surface of the mounting shell, which is not provided with the square opening; two third guide grooves on the same side surface in the four third guide grooves are mutually symmetrical with two third guide grooves on the other side surface; the two side surfaces of the mounting shell, which are provided with the third guide grooves, are uniformly distributed from top to bottom and are symmetrically provided with four first guide grooves; the four first guide grooves are positioned on one side, far away from the square opening, in the mounting shell; the four first guide grooves are positioned at the lower sides of two corresponding third guide grooves in the four third guide grooves; two second guide grooves are symmetrically formed in the two side faces, provided with third guide grooves, in the mounting shell; the two second guide grooves are respectively communicated with the corresponding four first guide grooves; the two second guide grooves are respectively positioned between the four third guide grooves and the two third guide grooves on the same side surface with the second guide grooves; the outer top is composed of a first connecting plate, a second connecting plate, a third connecting plate and a fifth connecting plate; one end of the second connecting plate is arranged at one end of the first connecting plate, and the second connecting plate is vertical to the first connecting plate; one end of the third connecting plate is arranged at the other end of the first connecting plate, and the third connecting plate is vertical to the first connecting plate; the third connecting plate and the second connecting plate are parallel to each other; one side of the fifth connecting plate is provided with an inclined plane; the fifth connecting plate is arranged at the other end of the third connecting plate; the fifth connecting plate is vertical to the third connecting plate; one side end face, which is not provided with the inclined plane, of the fifth connecting plate is parallel to the first connecting plate, and one end, which is provided with the inclined plane, of the fifth connecting plate is far away from the first connecting plate; the two outer tops are vertically and symmetrically arranged on the mounting shell; the fifth connecting plates on the two outer tops are positioned on the outer side of the mounting shell; the first connecting plate, the second connecting plate and the third connecting plate in the two outer tops are positioned on the inner side of the mounting shell; two compression springs are arranged between the first connecting plate of the outer top positioned at the upper side in the two outer tops and the upper end surface of the mounting shell; two fifth connecting plates in the two outer tops form a V-shaped groove at the joint of the two fifth connecting plates through inclined planes on the fifth connecting plates respectively; the four first guide rods are respectively arranged on the outer top positioned on the upper side in the two outer tops, and the four first guide rods are symmetrically arranged on two side surfaces of the first connecting plate in the outer top in a pairwise and one group; the four first guide rods are respectively matched with four third guide grooves in the mounting shell; the inner top is composed of a fourth connecting plate and a sixth connecting block; one side of the fourth connecting plate is provided with an inclined plane; the fourth connecting plate is arranged at one end of the sixth connecting block; the two inner tops are symmetrically arranged in an annular shell which consists of a first connecting plate, a second connecting plate, a third connecting plate and a fifth connecting plate in the two outer tops; the two fourth connecting plates on the two inner tops form an inverted V-shaped block through inclined planes on the fourth connecting plates, and the inverted V-shaped block is matched with a V-shaped groove formed by the two fifth connecting plates in the two outer tops; two driving guide grooves are symmetrically formed in two side faces of a sixth connecting block in the inner top positioned on the upper side in the two inner tops; the four second guide rods are symmetrically arranged on the two inner tops in a pairwise group manner, and the two second guide rods arranged on the same inner top are respectively positioned on two side surfaces of one end, far away from the fourth connecting plate, of a sixth connecting block in the inner top; the four second guide rods are respectively matched with the four first guide grooves in the mounting shell; the four first racks are symmetrically arranged on two corresponding side surfaces of the two inner tops in a pairwise and one group; two ends of the four first racks are respectively flush with corresponding end faces on the fourth connecting plate and the sixth connecting block which correspond to the inner top.
The mounting structures on the two sides of the two inner tops are completely the same, and for any one of the two inner tops, the pneumatic driving mechanism is mounted on the lower end face of the inner side of the mounting shell; one end of the first driving plate is arranged at the output end of the air pressure driving mechanism; one end of the first connecting rod is connected with the output end of the air pressure driving mechanism; the second rack is installed on the inner side of the installation shell through second guide connection; the lower end of the second rack is a smooth end; the upper end of the second rack is connected with the other end of the first connecting rod; the first rotating shaft is arranged on the end surface of the inner side of the mounting shell; the first gear is arranged on the first rotating shaft; the first gear is meshed with teeth on the second rack; the fourth gear is a bevel gear; the fourth gear is arranged on the first rotating shaft; the fourth rotating shaft is arranged on the inner side of the mounting shell through the first support; the fifth gear is divided into a conical tooth end and a cylindrical tooth end; the fifth gear is arranged on the fourth rotating shaft; the bevel gear end on the fifth gear is meshed with the fourth gear; the cylindrical tooth end on the fifth gear is meshed with the two first racks arranged on the inner top side surface; one end of the second connecting rod is connected with the output end of the air pressure driving mechanism; the third rack is installed on the inner side of the installation shell through a third guide connection; the upper end of the third rack is a smooth end; the second rotating shaft is arranged on the end surface of the inner side of the mounting shell; the second gear is divided into a conical tooth end and a cylindrical tooth end; the second gear is arranged on the second rotating shaft; the cylindrical tooth end on the second gear is meshed with the third rack; the fourth rack is arranged on the inner side of the mounting shell through a first guide support; the second driving plate is arranged on one side, close to the inner top, of the fourth rack; the second driving plate is matched with the driving guide groove on the corresponding inner top; the second support is arranged at the lower side of the first guide support; the third rotating shaft is arranged on the second support; the third gear is arranged on the third rotating shaft; the third gear is meshed with the fourth rack; the seventh gear is a bevel gear; the seventh gear is arranged on the third rotating shaft; the seventh gear is meshed with the bevel gear end on the second gear.
The diameter of the third gear is larger than that of the second gear.
As a further improvement of the technology, the pneumatic driving mechanism comprises a pneumatic connecting rod, a pneumatic cylinder and a pneumatic piston, wherein the lower side of the pneumatic cylinder is provided with a one-way air inlet and a one-way air outlet; the pneumatic piston is arranged on the inner side of the pneumatic cylinder; one end of the air pressure connecting rod is arranged on the air pressure piston; the other end of the air pressure connecting rod penetrates through the top surface of the air pressure cylinder and is positioned outside the air pressure cylinder; the second driving plate is arranged on the end face of the pneumatic connecting rod, which is positioned at one end of the outer side of the pneumatic cylinder; the second connecting rod is arranged on the outer circular surface of one end of the air pressure connecting rod, which is positioned at the outer side of the air pressure cylinder; the first connecting rod is arranged on the outer circular surface of one end of the outer side of the pneumatic cylinder on the pneumatic connecting rod.
As a further improvement of the present technology, an undulating baffle is mounted between the upper end face of the first connecting plate in the upper one of the two outer crests and the upper end face of the square opening in the mounting case. The corrugated baffle plate can prevent external interference from flying into the inner side of the mounting shell to influence the operation of the jack.
As a further improvement of the technology, one side of the fourth connecting plate on the inner top, which is close to the upper-shaped opening of the mounting shell, is provided with an arc-shaped chamfer. The function of which is to make it easier for the inner roof to move first inside the outer roof during the lateral movement.
As a further improvement of the technology, the top end of the fifth connecting plate in the outer top, which is at the joint with the third connecting plate and has the inclined surface side, is provided with an arc-shaped chamfer. The function of which is to make it easier for the inner roof to move first inside the outer roof during the lateral movement.
Compared with the traditional jack technology, the jack designed by the invention can realize lifting or support of parts with small gaps, and meanwhile, the compactness and the stability of the jack can be ensured through the inner jack and the outer jack in the using process.
In the invention, two outer tops are symmetrically arranged on an installation shell up and down; the fifth connecting plates on the two outer tops are positioned on the outer side of the mounting shell; the first connecting plate, the second connecting plate and the third connecting plate in the two outer tops are positioned on the inner side of the mounting shell; two fifth connecting plates in the two outer tops form a V-shaped groove at the joint of the two fifth connecting plates through inclined planes on the fifth connecting plates respectively; the four first guide rods are respectively arranged on the outer top positioned on the upper side in the two outer tops, and the four first guide rods are symmetrically arranged on two side surfaces of the first connecting plate in the outer top in a pairwise and one group; the four first guide rods are respectively matched with four third guide grooves in the mounting shell; the two inner tops are symmetrically arranged in an annular shell which consists of a first connecting plate, a second connecting plate, a third connecting plate and a fifth connecting plate in the two outer tops; the two fourth connecting plates on the two inner tops form an inverted V-shaped block through inclined planes on the fourth connecting plates, and the inverted V-shaped block is matched with a V-shaped groove formed by the two fifth connecting plates in the two outer tops; the four second guide rods are symmetrically arranged on the two inner tops in a pairwise group manner, and the two second guide rods arranged on the same inner top are respectively positioned on two side surfaces of one end, far away from the fourth connecting plate, of a sixth connecting block in the inner top; the four second guide rods are respectively matched with the four first guide grooves in the mounting shell; the four first racks are symmetrically arranged on two corresponding side surfaces of the two inner tops in a pairwise and one group; two ends of the four first racks are respectively flush with corresponding end faces on a fourth connecting plate and a sixth connecting block on the corresponding inner top; the pneumatic driving mechanism is arranged on the lower end surface of the inner side of the mounting shell; one end of the first driving plate is arranged at the output end of the air pressure driving mechanism; one end of the first connecting rod is connected with the output end of the air pressure driving mechanism; the second rack is installed on the inner side of the installation shell through second guide connection; the lower end of the second rack is a smooth end; the upper end of the second rack is connected with the other end of the first connecting rod; the first rotating shaft is arranged on the end surface of the inner side of the mounting shell; the first gear is arranged on the first rotating shaft; the first gear is meshed with teeth on the second rack; the fourth gear is a bevel gear; the fourth gear is arranged on the first rotating shaft; the fourth rotating shaft is arranged on the inner side of the mounting shell through the first support; the fifth gear is divided into a conical tooth end and a cylindrical tooth end; the fifth gear is arranged on the fourth rotating shaft; the bevel gear end on the fifth gear is meshed with the fourth gear; the cylindrical tooth end on the fifth gear is meshed with the two first racks arranged on the inner top side surface; when the pneumatic driving mechanism works, a pneumatic piston in the pneumatic driving mechanism pushes the pneumatic connecting rod to move upwards; the air pressure connecting rod moves upwards to drive the first connecting rod to move upwards; the first connecting rod moves upwards to drive the second rack to move upwards; the second rack moves upwards to enable the first gear to rotate; the first gear rotates to drive the first rotating shaft to rotate; the first rotating shaft rotates to drive the fourth gear to rotate; the fourth gear rotates to drive the fifth gear to rotate; the fifth gear rotates to drive the two corresponding first racks to move towards one side of the mounting shell, which is provided with the square opening; the first rack moves to drive the two inner jacks to move.
One end of a second connecting rod is connected with the output end of the air pressure driving mechanism; the third rack is installed on the inner side of the installation shell through a third guide connection; the upper end of the third rack is a smooth end; the second rotating shaft is arranged on the end surface of the inner side of the mounting shell; the second gear is divided into a conical tooth end and a cylindrical tooth end; the second gear is arranged on the second rotating shaft; the cylindrical tooth end on the second gear is meshed with the third rack; the fourth rack is arranged on the inner side of the mounting shell through a first guide support; the second driving plate is arranged on one side, close to the inner top, of the fourth rack; the second driving plate is matched with the driving guide groove on the corresponding inner top; the second support is arranged at the lower side of the first guide support; the third rotating shaft is arranged on the second support; the third gear is arranged on the third rotating shaft; the third gear is meshed with the fourth rack; the seventh gear is a bevel gear; the seventh gear is arranged on the third rotating shaft; the seventh gear is meshed with the bevel gear end on the second gear. When the pneumatic driving mechanism works, a pneumatic piston in the pneumatic driving mechanism pushes the pneumatic connecting rod to move upwards; the air pressure connecting rod moves upwards to drive the second connecting rod to move upwards; the second connecting rod moves to drive the third rack to move upwards; when teeth on the third rack are meshed with the second gear in the moving process of the third rack, the second gear can rotate; the second gear rotates to drive the seventh gear to rotate; the seventh gear rotates to drive the third rotating shaft to rotate; the third rotating shaft rotates to drive the third gear to rotate; the third gear rotates to drive the fourth rack to move upwards; the fourth rack moves upwards to drive the second driving plate to move upwards; the second driving plate moves upwards to drive the inner top on the upper side to move upwards.
The compression spring has the function that the outer top and the inner top are always kept in contact in the recovery process; the diameter of the third gear is larger than that of the second gear; the function of the pneumatic jack is that the outer jack moves upwards by pushing the inner jack upwards during the upward movement of the inner jack, and the pneumatic jack does not directly push the outer jack to move upwards; the tightness between the inner top and the outer top in the moving process is ensured.
In the invention, the fourth connecting plate at the middle top of the inner top is provided with an inclined plane; the fifth connecting plate in the outer top is provided with an inclined plane; the two fourth connecting plates on the two inner tops form an inverted V-shaped block through inclined planes on the fourth connecting plates, and the inverted V-shaped block is matched with a V-shaped groove formed by the two fifth connecting plates in the two outer tops; the function of the connecting device is to ensure that the fourth connecting plate on the inner top and the fifth connecting plate on the outer top can be tightly attached through the matching of the upper inclined plane of the fourth connecting plate in the inner top and the upper inclined plane of the fifth connecting plate in the outer top in the transverse moving process of the inner top; and meanwhile, the inner top is ensured not to interfere with the outer top in the moving process.
The first guide groove is used for guiding the inner top through the second guide rod and the first guide groove which are arranged on the inner top in the moving process; when the inner top is completely moved to be overlapped with the outer top, the second guide rod is just moved to the extreme end of the first guide groove; at the moment, the inner jack moves upwards to play a role in guiding the inner jack through the second guide rod and the second guide groove.
Drawings
Fig. 1 is an external view of an entire part.
Fig. 2 is a schematic view of the overall component distribution.
Fig. 3 is an exterior top mounting schematic.
Fig. 4 is a schematic view of the internal distribution of the integral unit.
Fig. 5 is a schematic view of the internal mounting of the integral unit.
Fig. 6 is a schematic view of the structure of the mounting case.
Fig. 7 is an installation schematic diagram of the internal structure of the integral component.
Fig. 8 is an inside top mounting schematic.
Fig. 9 is a schematic view of the mating of the inner and outer crowns.
Fig. 10 is a schematic view of an outer roof structure.
Fig. 11 is a schematic view of the inside roof structure.
Fig. 12 is a first drive plate mounting schematic.
FIG. 13 is a first connecting rod installation schematic.
Fig. 14 is a schematic structural view of the pneumatic driving mechanism.
FIG. 15 is a fourth gear mounting schematic.
Fig. 16 is a fifth gear mounting schematic.
Fig. 17 is a third gear mounting schematic.
Fig. 18 is a second gear mounting schematic.
Number designation in the figures: 1. carrying out outer jacking; 2. a corrugated baffle plate; 3. mounting a shell; 4. a compression spring; 5. inner jacking; 6. a first guide bar; 7. a pneumatic drive mechanism; 8. a first rack; 9. a first gear; 10. a first drive plate; 11. a second gear; 12. a third gear; 13. a second guide bar; 14. a first guide groove; 15. a second guide groove; 16. a third guide groove; 17. a square opening; 18. a second rack; 19. a third rack; 20. a fourth rack; 21. a drive guide groove; 22. a first connecting plate; 23. a second connecting plate; 24. a third connecting plate; 25. a fourth connecting plate; 26. a fifth connecting plate; 27. a sixth connecting block; 28. a fourth gear; 29. a first connecting rod; 30. a second connecting rod; 31. a first guide support; 32. a first rotating shaft; 33. a fifth gear; 34. a second guiding connection; 35. a first support; 36. a third guiding connection; 37. a second rotating shaft; 38. a second support; 39. a second drive plate; 40. a third rotating shaft; 41. a pneumatic connecting rod; 42. a pneumatic cylinder; 43. a pneumatic piston; 44. a fourth rotating shaft; 46. a seventh gear.
Detailed Description
As shown in fig. 1 and 2, it includes an outer top 1, a mounting housing 3, a compression spring 4, an inner top 5, a first guide rod 6, a pneumatic driving mechanism 7, a first rack 8, a first gear 9, a first driving plate 10, a second gear 11, a third gear 12, a second guide rod 13, a first guide groove 14, a second guide groove 15, a third guide groove 16, a square opening 17, a second rack 18, a third rack 19, a fourth rack 20, a driving guide groove 21, a fourth gear 28, a first connecting rod 29, a second connecting rod 30, a first guide support 31, a first rotating shaft 32, a fifth gear 33, a second guide connection 34, a first support 35, a third guide connection 36, a second rotating shaft 37, a second support 38, a second driving plate 39, a third rotating shaft 40, a fourth rotating shaft 44, and a seventh gear 46, wherein as shown in fig. 6, one end of the mounting housing 3 has the square opening 17; in the inner side surface of the mounting shell 3, which is not provided with the square opening 17, two symmetrical side surfaces are provided with four third guide grooves 16; two third guide grooves 16 on the same side among the four third guide grooves 16 are symmetrical to two third guide grooves 16 on the other side; the two side surfaces of the mounting shell 3, which are provided with the third guide grooves 16, are uniformly distributed up and down and are symmetrically provided with four first guide grooves 14; the four first guide grooves 14 are positioned on one side of the mounting shell 3 away from the square opening 17; the four first guide grooves 14 are located on the lower side of two third guide grooves 16 of the four third guide grooves 16; two second guide grooves 15 are symmetrically formed in two side faces, provided with third guide grooves 16, in the mounting shell 3; the two second guide grooves 15 are respectively communicated with the four corresponding first guide grooves 14; the two second guide grooves 15 are respectively positioned between two third guide grooves 16 of the four third guide grooves 16 which are positioned on the same side face as the second guide grooves 15; as shown in fig. 10, the outer roof 1 is composed of a first connecting plate 22, a second connecting plate 23, a third connecting plate 24 and a fifth connecting plate 26; one end of the second connecting plate 23 is mounted at one end of the first connecting plate 22, and the second connecting plate 23 is perpendicular to the first connecting plate 22; one end of the third connecting plate 24 is mounted at the other end of the first connecting plate 22, and the third connecting plate 24 is perpendicular to the first connecting plate 22; the third connecting plate 24 and the second connecting plate 23 are parallel to each other; one side of the fifth connecting plate 26 is provided with an inclined surface; a fifth connecting plate 26 is installed at the other end of the third connecting plate 24; the fifth connecting plate 26 and the third connecting plate 24 are perpendicular to each other; one side end face of the fifth connecting plate 26 without the inclined plane is parallel to the first connecting plate 22, and one end of the fifth connecting plate 26 with the inclined plane is far away from the first connecting plate 22; as shown in fig. 3, two outer roofs 1 are symmetrically mounted on a mounting case 3 up and down; as shown in fig. 5, the fifth connecting plates 26 on the two outer roofs 1 are located outside the mounting case 3; the first connecting plate 22, the second connecting plate 23 and the third connecting plate 24 in the two outer roofs 1 are positioned on the inner side of the mounting shell 3; two compression springs 4 are arranged between the first connecting plate 22 of the outer top 1 positioned at the upper side in the two outer tops 1 and the upper end surface of the mounting shell 3; as shown in fig. 10, the two fifth connecting plates 26 in the two outer roofs 1 are respectively inclined to form a V-shaped groove at the junction of the two fifth connecting plates 26; the four first guide rods 6 are respectively arranged on the outer top 1 positioned at the upper side in the two outer tops 1, and the four first guide rods 6 are symmetrically arranged on two side surfaces of the first connecting plate 22 in the outer top 1 in a pairwise and one-to-one mode; as shown in fig. 4, four first guide bars 6 are engaged with four third guide grooves 16 in the mounting case 3, respectively; as shown in fig. 11, the inner top 5 is composed of a fourth connecting plate 25 and a sixth connecting block 27; one side of the fourth connecting plate 25 has an inclined surface; the fourth connecting plate 25 is installed at one end of the sixth connecting block 27; as shown in fig. 9, two inner roofs 5 are symmetrically installed in the annular shells composed of the first connecting plate 22, the second connecting plate 23, the third connecting plate 24 and the fifth connecting plate 26 in the two outer roofs 1; the two fourth connecting plates 25 on the two inner tops 5 form an inverted V-shaped block through inclined surfaces thereon, as shown in fig. 8, and the inverted V-shaped block is matched with a V-shaped groove formed by the two fifth connecting plates 26 in the two outer tops 1; as shown in fig. 11, two driving guide grooves 21 are symmetrically formed on both side surfaces of the sixth connecting block 27 in the inner top 5 positioned at the upper side among the two inner tops 5; the four second guide rods 13 are symmetrically arranged on the two inner tops 5 in pairs in a group, and the two second guide rods 13 arranged on the same inner top 5 are respectively positioned on two side surfaces of one end, far away from the fourth connecting plate 25, of a sixth connecting block 27 in the inner top 5; the four second guide rods 13 are respectively matched with four first guide grooves 14 in the mounting shell 3; the four first racks 8 are symmetrically arranged on two corresponding side surfaces of the two inner tops 5 in a pairwise and one group; two ends of the four first racks 8 are respectively flush with the corresponding end surfaces of the fourth connecting plate 25 and the sixth connecting block 27 on the corresponding inner top 5.
As shown in fig. 7, the mounting structures on both sides of the two inner roofs 5 are completely the same, and for any one of them, the pneumatic driving mechanism 7 is mounted on the lower end face of the inner side of the mounting shell 3; as shown in fig. 12, one end of the first driving plate 10 is mounted on the output end of the pneumatic driving mechanism 7; as shown in fig. 13, one end of the first connecting rod 29 is connected to the output end of the pneumatic driving mechanism 7; the second rack 18 is mounted inside the mounting housing 3 by a second guiding connection 34; the lower end of the second rack 18 is a smooth end; the upper end of the second rack 18 is connected with the other end of the first connecting rod 29; as shown in fig. 4, the first rotating shaft 32 is mounted on the inner end surface of the mounting case 3; as shown in fig. 16, the first gear 9 is mounted on the first rotating shaft 32; the first gear 9 is meshed with teeth on the second rack 18; the fourth gear 28 is a bevel gear; the fourth gear 28 is mounted on the first shaft 32; the fourth rotating shaft 44 is installed inside the installation case 3 through the first support 35; the fifth gear 33 is divided into a tapered tooth end and a cylindrical tooth end; the fifth gear 33 is mounted on the fourth rotating shaft 44; as shown in fig. 15, the end of the bevel gear on the fifth gear 33 meshes with the fourth gear 28; the cylindrical tooth end of the fifth gear 33 is meshed with two first racks 8 arranged on the side surface of the inner top 5; as shown in fig. 13, one end of the second connecting rod 30 is connected to the output end of the pneumatic driving mechanism 7; the third rack 19 is mounted inside the mounting housing 3 by a third guiding connection 36; the upper end of the third rack 19 is a smooth end; as shown in fig. 5, the second rotating shaft 37 is mounted on the inner end surface of the mounting case 3; as shown in fig. 18, the second gear 11 is divided into a tapered tooth end and a cylindrical tooth end; the second gear 11 is mounted on the second rotating shaft 37; as shown in fig. 17, the end of the cylindrical teeth of the second gear 11 is engaged with the third rack 19; the fourth rack 20 is mounted inside the mounting case 3 through a first guide support 31; as shown in fig. 18, a second driving plate 39 is mounted on the side of the fourth rack 20 adjacent to the inner roof 5; as shown in fig. 7, the second driving plate 39 is fitted with the driving guide groove 21 on the corresponding inner roof 5; the second support 38 is installed at the lower side of the first guide support 31; the third rotating shaft 40 is mounted on the second support 38; the third gear 12 is mounted on the third rotating shaft 40; the third gear 12 is meshed with the fourth rack 20; the seventh gear 46 is a bevel gear; the seventh gear 46 is mounted on the third rotating shaft 40; the seventh gear 46 meshes with the conical tooth end of the second gear 11.
The diameter of the third gear 12 is larger than that of the second gear 11.
As shown in fig. 14, the pneumatic driving mechanism 7 includes a pneumatic connecting rod 41, a pneumatic cylinder 42, a pneumatic piston 43, wherein the lower side of the pneumatic cylinder 42 has a one-way air inlet and a one-way air outlet; the pneumatic piston 43 is mounted inside the pneumatic cylinder 42; one end of the air pressure connecting rod 41 is mounted on the air pressure piston 43; the other end of the pneumatic connecting rod 41 passes through the top surface of the pneumatic cylinder 42 and is positioned outside the pneumatic cylinder 42; the second driving plate 39 is mounted on the end surface of the pneumatic connecting rod 41 at one end outside the pneumatic cylinder 42; the second connecting rod 30 is arranged on the outer circular surface of one end of the air pressure connecting rod 41, which is positioned at the outer side of the air pressure cylinder 42; the first connecting rod 29 is installed on the outer circumferential surface of the pneumatic connecting rod 41 at one end outside the pneumatic cylinder 42.
The corrugated baffle plate 2 is arranged between the upper end surface of the first connecting plate 22 in the outer top 1 positioned at the upper end in the two outer tops 1 and the upper end surface of the square opening 17 on the mounting shell 3. The corrugated baffle plate 2 can prevent external interference from flying into the inner side of the mounting shell 3 to influence the operation of the jack.
The fourth connecting plate 25 of the inner top 5 has an arc-shaped chamfer on its side adjacent to the upper opening 17 of the mounting housing 3. The function of which is to make it easier for the inner roof 5 to move first inside the outer roof 1 during the lateral movement.
The top end of the fifth connecting plate 26 of the outer top 1, which is at the joint with the third connecting plate 24 and has an inclined surface, is provided with an arc-shaped chamfer. The function of which is to make it easier for the inner roof 5 to move first inside the outer roof 1 during the lateral movement.
In summary, the following steps:
the jack designed by the invention can realize lifting or supporting of parts with small gaps, and simultaneously can ensure the compactness and stability of the jack through the inner jack 5 and the outer jack 1 in the using process.
In the invention, two outer tops 1 are symmetrically arranged on a mounting shell 3 from top to bottom; the fifth connecting plates 26 on the two outer roofs 1 are positioned outside the mounting shell 3; the first connecting plate 22, the second connecting plate 23 and the third connecting plate 24 in the two outer roofs 1 are positioned on the inner side of the mounting shell 3; the two fifth connecting plates 26 in the two outer roofs 1 respectively form a V-shaped groove at the joint of the two fifth connecting plates 26 through the inclined planes on the two fifth connecting plates; the four first guide rods 6 are respectively arranged on the outer top 1 positioned at the upper side in the two outer tops 1, and the four first guide rods 6 are symmetrically arranged on two side surfaces of the first connecting plate 22 in the outer top 1 in a pairwise and one-to-one mode; the four first guide rods 6 are respectively matched with four third guide grooves 16 in the mounting shell 3; the two inner roofs 5 are symmetrically arranged in an annular shell which consists of a first connecting plate 22, a second connecting plate 23, a third connecting plate 24 and a fifth connecting plate 26 in the two outer roofs 1; the two fourth connecting plates 25 on the two inner tops 5 form an inverted V-shaped block through inclined planes on the fourth connecting plates, and the inverted V-shaped block is matched with a V-shaped groove formed by the two fifth connecting plates 26 in the two outer tops 1; the four second guide rods 13 are symmetrically arranged on the two inner tops 5 in pairs in a group, and the two second guide rods 13 arranged on the same inner top 5 are respectively positioned on two side surfaces of one end, far away from the fourth connecting plate 25, of a sixth connecting block 27 in the inner top 5; the four second guide rods 13 are respectively matched with four first guide grooves 14 in the mounting shell 3; the four first racks 8 are symmetrically arranged on two corresponding side surfaces of the two inner tops 5 in a pairwise and one group; two ends of the four first racks 8 are respectively flush with the corresponding end surfaces of the fourth connecting plate 25 and the sixth connecting block 27 on the corresponding inner top 5; the pneumatic driving mechanism 7 is arranged on the lower end surface of the inner side of the mounting shell 3; one end of the first driving plate 10 is arranged at the output end of the pneumatic driving mechanism 7; one end of the first connecting rod 29 is connected with the output end of the pneumatic driving mechanism 7; the second rack 18 is mounted inside the mounting housing 3 by a second guiding connection 34; the lower end of the second rack 18 is a smooth end; the upper end of the second rack 18 is connected with the other end of the first connecting rod 29; the first rotating shaft 32 is mounted on the end face of the inner side of the mounting case 3; the first gear 9 is mounted on the first shaft 32; the first gear 9 is meshed with teeth on the second rack 18; the fourth gear 28 is a bevel gear; the fourth gear 28 is mounted on the first shaft 32; the fourth rotating shaft 44 is installed inside the installation case 3 through the first support 35; the fifth gear 33 is divided into a tapered tooth end and a cylindrical tooth end; the fifth gear 33 is mounted on the fourth rotating shaft 44; the bevel end of the fifth gear 33 meshes with the fourth gear 28; the cylindrical tooth end of the fifth gear 33 is meshed with two first racks 8 arranged on the side surface of the inner top 5; when the pneumatic driving mechanism 7 works, the pneumatic piston 43 in the pneumatic driving mechanism 7 pushes the pneumatic connecting rod 41 to move upwards; the pneumatic connecting rod 41 moves upwards to drive the first connecting rod 29 to move upwards; the first connecting rod 29 moves upwards to drive the second rack 18 to move upwards; the upward movement of the second rack 18 causes the first gear wheel 9 to rotate; the first gear 9 rotates to drive the first rotating shaft 32 to rotate; the first rotating shaft 32 rotates to drive the fourth gear 28 to rotate; the fourth gear 28 rotates to drive the fifth gear 33 to rotate; the fifth gear 33 rotates to drive the two corresponding first racks 8 to move towards one side of the mounting shell 3, which is provided with the square opening 17; the first rack 8 moves to drive the two inner tops 5 to move.
One end of the second connecting rod 30 is connected with the output end of the air pressure driving mechanism 7; the third rack 19 is mounted inside the mounting housing 3 by a third guiding connection 36; the upper end of the third rack 19 is a smooth end; the second rotating shaft 37 is installed on the end surface of the inner side of the installation shell 3; the second gear 11 is divided into a conical tooth end and a cylindrical tooth end; the second gear 11 is mounted on the second rotating shaft 37; the cylindrical tooth end on the second gear 11 is meshed with the third rack 19; the fourth rack 20 is mounted inside the mounting case 3 through a first guide support 31; the second driving plate 39 is installed at one side of the fourth rack 20 close to the inner roof 5; the second driving plate 39 cooperates with the driving guide slot 21 on the corresponding inner roof 5; the second support 38 is installed at the lower side of the first guide support 31; the third rotating shaft 40 is mounted on the second support 38; the third gear 12 is mounted on the third rotating shaft 40; the third gear 12 is meshed with the fourth rack 20; the seventh gear 46 is a bevel gear; the seventh gear 46 is mounted on the third rotating shaft 40; the seventh gear 46 meshes with the conical tooth end of the second gear 11. When the pneumatic driving mechanism 7 works, the pneumatic piston 43 in the pneumatic driving mechanism 7 pushes the pneumatic connecting rod 41 to move upwards; the air pressure connecting rod 41 moves upwards to drive the second connecting rod 30 to move upwards; the second connecting rod 30 moves to drive the third rack 19 to move upwards; when the teeth on the third rack 19 are engaged with the second gear 11 during the movement of the third rack 19, the second gear 11 will rotate; the second gear 11 rotates to drive the seventh gear 46 to rotate; the seventh gear 46 rotates to drive the third rotating shaft 40 to rotate; the third rotating shaft 40 rotates to drive the third gear 12 to rotate; the third gear 12 rotates to drive the fourth rack 20 to move upwards; the fourth rack 20 moves upwards to drive the second driving plate 39 to move upwards; the upward movement of the second driving plate 39 causes the inner roof 5 located on the upper side to move upward.
The compression spring 4 has the function that the outer top 1 and the inner top 5 are always kept in contact in the recovery process; the diameter of the third gear 12 is larger than that of the second gear 11; the function of the device is that the outer roof 1 moves upwards by pushing the inner roof 5 upwards on the inner roof 5 in the upward movement process, and the outer roof 1 is not directly pushed to move upwards by the pneumatic driving mechanism 7; tightness during movement between the inner roof 5 and the outer roof 1 is ensured.
In the invention, the fourth connecting plate 25 in the inner top 5 is provided with an inclined plane; the fifth connecting plate 26 in the outer top 1 is provided with a bevel; the two fourth connecting plates 25 on the two inner tops 5 form an inverted V-shaped block through inclined planes on the fourth connecting plates, and the inverted V-shaped block is matched with a V-shaped groove formed by the two fifth connecting plates 26 in the two outer tops 1; the function of the connecting device is to ensure that the fourth connecting plate 25 on the inner top 5 and the fifth connecting plate 26 on the outer top 1 can be tightly attached through the matching of the upper inclined plane of the fourth connecting plate 25 in the inner top 5 and the upper inclined plane of the fifth connecting plate 26 in the outer top 1 in the transverse moving process of the inner top 5; while ensuring that the inner roof 5 does not interfere with the outer roof 1 during movement.
The first guide groove 14 of the invention is used for guiding the inner top 5 through the second guide rod 13 and the first guide groove 14 which are arranged on the inner top 5 during the moving process; when the inner roof 5 is completely moved to coincide with the outer roof 1, the second guide bar 13 is moved right to the extreme end of the first guide groove 14; the inner top 5 moves upward to guide the inner top 5 through the second guide rod 13 and the second guide groove 15.
The specific implementation mode is as follows: when people use the jack designed by the invention, the fifth connecting plate 26 in the outer jack 1 of the jack is placed into the gap of the part needing to be lifted or supported; then the pneumatic driving mechanism 7 is driven to work, and the pneumatic piston 43 in the pneumatic driving mechanism 7 pushes the pneumatic connecting rod 41 to move upwards; the air pressure connecting rod 41 moves upwards to drive the first driving plate 10 to move upwards; the first driving plate 10 moves upwards to drive the outer top 1 on the upper side to move upwards; meanwhile, the air pressure connecting rod 41 moves upwards to drive the first connecting rod 29 to move upwards; the first connecting rod 29 moves upwards to drive the second rack 18 to move upwards; the upward movement of the second rack 18 causes the first gear wheel 9 to rotate; the first gear 9 rotates to drive the first rotating shaft 32 to rotate; the first rotating shaft 32 rotates to drive the fourth gear 28 to rotate; the fourth gear 28 rotates to drive the fifth gear 33 to rotate; the fifth gear 33 rotates to drive the two corresponding first racks 8 to move towards one side of the mounting shell 3, which is provided with the square opening 17; the first rack 8 moves to drive the inner top 5 to move. Meanwhile, the air pressure connecting rod 41 moves upwards to drive the second connecting rod 30 to move upwards; the second connecting rod 30 moves to drive the third rack 19 to move upwards; when the inner crown 5 is completely moved to coincide with the outer crown 1, the first gear 9 is just disengaged from the teeth on the second rack 18; meanwhile, teeth on the third rack 19 are meshed with the second gear 11, and the second gear 11 rotates; the second gear 11 rotates to drive the seventh gear 46 to rotate; the seventh gear 46 rotates to drive the third rotating shaft 40 to rotate; the third rotating shaft 40 rotates to drive the third gear 12 to rotate; the third gear 12 rotates to drive the fourth rack 20 to move upwards; the fourth rack 20 moves upwards to drive the second driving plate 39 to move upwards; the second driving plate 39 moves upwards to drive the inner top 5 to move upwards; the inner top 5 moves upwards to drive the outer top 1 to move upwards; namely, the part needing to be hoisted or supported can be hoisted or supported; when the use is finished, the pneumatic driving mechanism 7 is driven to work, so that the pneumatic connecting rod 41 moves downwards; the downward movement of the pneumatic connecting rod 41 drives the downward movement of the first connecting rod 29 and the second connecting rod 30; the downward movement of the first and second connecting rods 29 and 30 gradually restores the inner roof 5 and the outer roof 1 to their original positions.
Claims (5)
1. A jack based on high-pressure gas drive, its characterized in that: the pneumatic transmission mechanism comprises an outer top, an installation shell, a compression spring, an inner top, a first guide rod, a pneumatic driving mechanism, a first rack, a first gear, a first driving plate, a second gear, a third gear, a second guide rod, a first guide groove, a second guide groove, a third guide groove, a square opening, a second rack, a third rack, a fourth rack, a driving guide groove, a fourth gear, a first connecting rod, a second connecting rod, a first guide support, a first rotating shaft, a fifth gear, a second guide connection, a first support, a third guide connection, a second rotating shaft, a second support, a second driving plate, a third rotating shaft, a fourth rotating shaft and a seventh gear, wherein one end of the installation shell is provided with the square opening; four third guide grooves are formed in two symmetrical side surfaces of the inner side surface of the mounting shell, which is not provided with the square opening; two third guide grooves on the same side surface in the four third guide grooves are mutually symmetrical with two third guide grooves on the other side surface; the two side surfaces of the mounting shell, which are provided with the third guide grooves, are uniformly distributed from top to bottom and are symmetrically provided with four first guide grooves; the four first guide grooves are positioned on one side, far away from the square opening, in the mounting shell; the four first guide grooves are positioned at the lower sides of two corresponding third guide grooves in the four third guide grooves; two second guide grooves are symmetrically formed in the two side faces, provided with third guide grooves, in the mounting shell; the two second guide grooves are respectively communicated with the corresponding four first guide grooves; the two second guide grooves are respectively positioned between the four third guide grooves and the two third guide grooves on the same side surface with the second guide grooves; the outer top is composed of a first connecting plate, a second connecting plate, a third connecting plate and a fifth connecting plate; one end of the second connecting plate is arranged at one end of the first connecting plate, and the second connecting plate is vertical to the first connecting plate; one end of the third connecting plate is arranged at the other end of the first connecting plate, and the third connecting plate is vertical to the first connecting plate; the third connecting plate and the second connecting plate are parallel to each other; one side of the fifth connecting plate is provided with an inclined plane; the fifth connecting plate is arranged at the other end of the third connecting plate; the fifth connecting plate is vertical to the third connecting plate; one side end face, which is not provided with the inclined plane, of the fifth connecting plate is parallel to the first connecting plate, and one end, which is provided with the inclined plane, of the fifth connecting plate is far away from the first connecting plate; the two outer tops are vertically and symmetrically arranged on the mounting shell; the fifth connecting plates on the two outer tops are positioned on the outer side of the mounting shell; the first connecting plate, the second connecting plate and the third connecting plate in the two outer tops are positioned on the inner side of the mounting shell; two compression springs are arranged between the first connecting plate of the outer top positioned at the upper side in the two outer tops and the upper end surface of the mounting shell; two fifth connecting plates in the two outer tops form a V-shaped groove at the joint of the two fifth connecting plates through inclined planes on the fifth connecting plates respectively; the four first guide rods are respectively arranged on the outer top positioned on the upper side in the two outer tops, and the four first guide rods are symmetrically arranged on two side surfaces of the first connecting plate in the outer top in a pairwise and one group; the four first guide rods are respectively matched with four third guide grooves in the mounting shell; the inner top is composed of a fourth connecting plate and a sixth connecting block; one side of the fourth connecting plate is provided with an inclined plane; the fourth connecting plate is arranged at one end of the sixth connecting block; the two inner tops are symmetrically arranged in an annular shell which consists of a first connecting plate, a second connecting plate, a third connecting plate and a fifth connecting plate in the two outer tops; the two fourth connecting plates on the two inner tops form an inverted V-shaped block through inclined planes on the fourth connecting plates, and the inverted V-shaped block is matched with a V-shaped groove formed by the two fifth connecting plates in the two outer tops; two driving guide grooves are symmetrically formed in two side faces of a sixth connecting block in the inner top positioned on the upper side in the two inner tops; the four second guide rods are symmetrically arranged on the two inner tops in a pairwise group manner, and the two second guide rods arranged on the same inner top are respectively positioned on two side surfaces of one end, far away from the fourth connecting plate, of a sixth connecting block in the inner top; the four second guide rods are respectively matched with the four first guide grooves in the mounting shell; the four first racks are symmetrically arranged on two corresponding side surfaces of the two inner tops in a pairwise and one group; two ends of the four first racks are respectively flush with corresponding end faces on a fourth connecting plate and a sixth connecting block on the corresponding inner top;
the mounting structures on the two sides of the two inner tops are completely the same, and for any one of the two inner tops, the pneumatic driving mechanism is mounted on the lower end face of the inner side of the mounting shell; one end of the first driving plate is arranged at the output end of the air pressure driving mechanism; one end of the first connecting rod is connected with the output end of the air pressure driving mechanism; the second rack is installed on the inner side of the installation shell through second guide connection; the lower end of the second rack is a smooth end; the upper end of the second rack is connected with the other end of the first connecting rod; the first rotating shaft is arranged on the end surface of the inner side of the mounting shell; the first gear is arranged on the first rotating shaft; the first gear is meshed with teeth on the second rack; the fourth gear is a bevel gear; the fourth gear is arranged on the first rotating shaft; the fourth rotating shaft is arranged on the inner side of the mounting shell through the first support; the fifth gear is divided into a conical tooth end and a cylindrical tooth end; the fifth gear is arranged on the fourth rotating shaft; the bevel gear end on the fifth gear is meshed with the fourth gear; the cylindrical tooth end on the fifth gear is meshed with the two first racks arranged on the inner top side surface; one end of the second connecting rod is connected with the output end of the air pressure driving mechanism; the third rack is installed on the inner side of the installation shell through a third guide connection; the upper end of the third rack is a smooth end; the second rotating shaft is arranged on the end surface of the inner side of the mounting shell; the second gear is divided into a conical tooth end and a cylindrical tooth end; the second gear is arranged on the second rotating shaft; the cylindrical tooth end on the second gear is meshed with the third rack; the fourth rack is arranged on the inner side of the mounting shell through a first guide support; the second driving plate is arranged on one side, close to the inner top, of the fourth rack; the second driving plate is matched with the driving guide groove on the corresponding inner top; the second support is arranged at the lower side of the first guide support; the third rotating shaft is arranged on the second support; the third gear is arranged on the third rotating shaft; the third gear is meshed with the fourth rack; the seventh gear is a bevel gear; the seventh gear is arranged on the third rotating shaft; the seventh gear is meshed with a bevel gear end on the second gear;
the diameter of the third gear is larger than that of the second gear.
2. The jack based on high-pressure gas drive of claim 1, characterized in that: the pneumatic driving mechanism comprises a pneumatic connecting rod, a pneumatic cylinder and a pneumatic piston, wherein the lower side of the pneumatic cylinder is provided with a one-way air inlet and a one-way air outlet; the pneumatic piston is arranged on the inner side of the pneumatic cylinder; one end of the air pressure connecting rod is arranged on the air pressure piston; the other end of the air pressure connecting rod penetrates through the top surface of the air pressure cylinder and is positioned outside the air pressure cylinder; the second driving plate is arranged on the end face of the pneumatic connecting rod, which is positioned at one end of the outer side of the pneumatic cylinder; the second connecting rod is arranged on the outer circular surface of one end of the air pressure connecting rod, which is positioned at the outer side of the air pressure cylinder; the first connecting rod is arranged on the outer circular surface of one end of the outer side of the pneumatic cylinder on the pneumatic connecting rod.
3. The jack based on high-pressure gas drive of claim 1, characterized in that: and a wavy baffle is arranged between the upper end surface of the first connecting plate positioned in the outer top at the upper end of the two outer tops and the upper end surface of the square opening on the mounting shell.
4. The jack based on high-pressure gas drive of claim 1, characterized in that: and an arc-shaped chamfer is arranged on one side, close to the upper square opening of the mounting shell, of the fourth connecting plate in the inner top.
5. The jack based on high-pressure gas drive of claim 1, characterized in that: and the top end of the joint of the fifth connecting plate and the third connecting plate in the outer top and the side with the inclined plane is provided with an arc-shaped chamfer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810213207.5A CN108439249B (en) | 2018-03-15 | 2018-03-15 | Jack based on high-pressure gas drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810213207.5A CN108439249B (en) | 2018-03-15 | 2018-03-15 | Jack based on high-pressure gas drive |
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| Publication Number | Publication Date |
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| CN108439249A CN108439249A (en) | 2018-08-24 |
| CN108439249B true CN108439249B (en) | 2020-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810213207.5A Active CN108439249B (en) | 2018-03-15 | 2018-03-15 | Jack based on high-pressure gas drive |
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| Country | Link |
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| CN (1) | CN108439249B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201485223U (en) * | 2009-08-14 | 2010-05-26 | 汕头市通力机械制造有限公司 | Pneumatic hydraulic jack |
| CN203306970U (en) * | 2013-05-20 | 2013-11-27 | 南京汽轮电机长风新能源股份有限公司 | Jacking tool used for jacking heavy part in narrow space |
| CN203865956U (en) * | 2014-05-26 | 2014-10-08 | 宁波天益齿轴齿轮有限公司 | Jack suitable for small space |
| CN203998788U (en) * | 2014-04-30 | 2014-12-10 | 深圳市福田区青少年科技教育协会 | Pneumatic jack |
| CN204569281U (en) * | 2014-12-31 | 2015-08-19 | 汪远帆 | A kind of driving device for jack |
-
2018
- 2018-03-15 CN CN201810213207.5A patent/CN108439249B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201485223U (en) * | 2009-08-14 | 2010-05-26 | 汕头市通力机械制造有限公司 | Pneumatic hydraulic jack |
| CN203306970U (en) * | 2013-05-20 | 2013-11-27 | 南京汽轮电机长风新能源股份有限公司 | Jacking tool used for jacking heavy part in narrow space |
| CN203998788U (en) * | 2014-04-30 | 2014-12-10 | 深圳市福田区青少年科技教育协会 | Pneumatic jack |
| CN203865956U (en) * | 2014-05-26 | 2014-10-08 | 宁波天益齿轴齿轮有限公司 | Jack suitable for small space |
| CN204569281U (en) * | 2014-12-31 | 2015-08-19 | 汪远帆 | A kind of driving device for jack |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108439249A (en) | 2018-08-24 |
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Effective date of registration: 20201123 Address after: 314000 South Wangnan highway, wangjiangjing Town, Xiuzhou District, Jiaxing City, Zhejiang Province Applicant after: Zhejiang Changxin biological Fiber Co.,Ltd. Address before: 518104, building four, building 403, building A3, manholes Industrial Zone, manhole community, Gonghe subdistrict, Gonghe, Shenzhen, Guangdong, Baoan District Applicant before: SHENZHEN OUKELI TECHNOLOGY Co.,Ltd. |
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