CN115949642B - Telescopic rotary hydraulic cylinder - Google Patents

Telescopic rotary hydraulic cylinder Download PDF

Info

Publication number
CN115949642B
CN115949642B CN202310232845.2A CN202310232845A CN115949642B CN 115949642 B CN115949642 B CN 115949642B CN 202310232845 A CN202310232845 A CN 202310232845A CN 115949642 B CN115949642 B CN 115949642B
Authority
CN
China
Prior art keywords
hydraulic cylinder
cylindrical
rod
drive
rotate
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
Application number
CN202310232845.2A
Other languages
Chinese (zh)
Other versions
CN115949642A (en
Inventor
郭敦朋
邵守迎
代长明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Xinghui Hydraulic Equipment Co ltd
Original Assignee
Yantai Xinghui Lousberg Hydraulic Machinery Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Yantai Xinghui Lousberg Hydraulic Machinery Co ltd filed Critical Yantai Xinghui Lousberg Hydraulic Machinery Co ltd
Priority to CN202310232845.2A priority Critical patent/CN115949642B/en
Publication of CN115949642A publication Critical patent/CN115949642A/en
Application granted granted Critical
Publication of CN115949642B publication Critical patent/CN115949642B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Actuator (AREA)

Abstract

The invention discloses a telescopic rotary hydraulic cylinder, in particular to the technical field of hydraulic cylinders, which comprises a central component and hydraulic cylinders symmetrically connected to the upper end and the lower end of the central component, wherein the hydraulic cylinders comprise sliding piston parts, one ends of the piston parts are connected with cylindrical rods extending to the outside of the hydraulic cylinders, the end parts of the cylindrical rods are connected with flange plates, one ends of the cylindrical rods, which are close to the central component, are fixedly connected with polygonal rods, and sleeve rods are sleeved outside the polygonal rods. According to the invention, the polygonal rod is arranged at one end of the cylindrical rod, the loop bar is arranged between the central component and the hydraulic cylinder, the polygonal groove matched with the polygonal rod is arranged in the loop bar, and the driven gear, the driving gear and the driving component are matched to drive the loop bar to rotate, so that the loop bar can drive the cylindrical rod to rotate, the problem that the hydraulic rod in a comparison document can only be set as a polygon is solved, and the application range of the rotary hydraulic cylinder is improved.

Description

Telescopic rotary hydraulic cylinder
Technical Field
The invention relates to the technical field of hydraulic cylinders, in particular to a telescopic rotary hydraulic cylinder.
Background
The hydraulic cylinder is a mechanical element which provides mechanical power through hydraulic pressure, can generate a telescopic effect to provide acting force to realize movement or deformation of equipment, and is a mechanical element with wide application.
In order to make it more convenient for the hydraulic cylinder to realize the rotation function in the telescopic process, the invention patent with the publication number of CN114087255B discloses a telescopic rotary hydraulic cylinder for realizing the rotation action, comprising: the center assembly is provided with a through hole in the middle; the servo motor is fixedly arranged at the rear side of the central component, and a conical fluted disc is fixedly arranged after a rotating shaft of the servo motor passes through the front end of the central component; the hydraulic cylinder is fixedly arranged at the upper end and the lower end of the central component, the octagonal rod and the rotating sleeve are used for directly controlling the rotation of the connecting piece in the telescopic process according to the embodiments of the comparison document, the servo motor is utilized for driving the conical fluted disc to rotate, the power is transmitted to the rotating sleeve for driving the octagonal rod to directly rotate, the rotating action of the connecting piece is realized, the rotating angle is not limited, the turnover can be repeated, the hydraulic pressure and the rotating force are effectively combined, the applicability is high, the assembly is convenient, and the problem that the conventional hydraulic cylinder is inconvenient to directly provide the effect of rotating control in the telescopic process is solved.
The hydraulic rod is arranged into the polygonal shape, the friction force of the hydraulic rod during stretching is increased, the polygonal hydraulic rod is not as good as the cylindrical rod in appearance, most of the stretching ends of the hydraulic rod are arranged into cylindrical states, the mode adopted in the prior art can only be suitable for the polygonal hydraulic rod, the application range is smaller, a driving assembly (a servo motor, a conical gear disc, a driving shaft, a moving shaft, a driven gear disc and a rotating sleeve) for driving the octagonal rod to rotate is too complex, the hydraulic rod is designed outside a device, the safety coefficient is lower, and the hydraulic rod cannot be well driven to provide a protection cylinder for rotation.
Disclosure of Invention
The invention aims to provide a telescopic rotary hydraulic cylinder, which aims to solve the problems that the mode adopted for driving a hydraulic rod to rotate in a comparison file can only be suitable for a polygonal rod, the application range is smaller, a driving assembly for driving the octagonal rod to rotate is too complex, the driving assembly is designed outside a device, the safety coefficient is lower when the telescopic rotary hydraulic cylinder is used, and the driving assembly cannot be well protected when the telescopic rotary hydraulic cylinder is not used.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a flexible rotation type pneumatic cylinder, its includes center subassembly and the hydraulic cylinder of symmetry connection at center subassembly upper and lower both ends, including gliding piston spare in the hydraulic cylinder, the one end of piston spare is connected with the cylindrical pole that extends to the outside of hydraulic cylinder, and cylindrical pole tip is connected with the ring flange, the one end fixedly connected with polygon pole that the cylindrical pole is close to center subassembly, the outside cover of polygon pole has the loop bar, the loop bar runs through and rotates to set up between center subassembly and hydraulic cylinder, and the loop bar is close to the polygon pole one end inside offered the polygon groove with polygon pole looks adaptation, and when the loop bar rotated, the polygon pole follows the rotation, extends to the inside loop bar tip fixedly connected with driven gear of center subassembly;
the inside part that sets up of the hydraulic cylinder at upper and lower both ends is the central symmetry setting about central subassembly, the inside drive assembly that can drive two driven gear pivoted that is equipped with of central subassembly, drive assembly can drive one of them driven gear rotation alone, also can drive two driven gears rotation simultaneously. The driving motor drives the driving gear to rotate, the driven gear can be driven to rotate by matching with the transmission engagement relationship between the driving gear and the driven gear, so that the loop bar connected with one end of the driven gear can be driven to rotate, the polygonal bar can be driven to rotate by matching between the polygonal groove formed in the loop bar and the polygonal bar, and the cylindrical bar connected with the polygonal bar can be driven to rotate, so that the rotating action is realized.
As a preferable scheme of the telescopic rotary hydraulic cylinder of the invention, wherein: the one end that cylindrical pole is close to the piston spare sets up to the T shape, and the T shape end of cylindrical pole is connected with the inside rotation of piston spare, set up the T-shaped groove with cylindrical pole T shape tip looks adaptation in the piston spare. When the piston piece moves perpendicularly, the T-shaped groove and the T-shaped end of the cylindrical rod are matched to push the cylindrical rod to move outwards, the whole hydraulic cylinder is unfolded to realize transmission, the T-shaped groove and the T-shaped end of the cylindrical rod are matched in a rotating mode, and the cylindrical rod can rotate under the action of the driving assembly conveniently.
As a preferable scheme of the telescopic rotary hydraulic cylinder of the invention, wherein: the driving assembly comprises a driving motor, the output end of the driving motor is fixedly connected with a driving gear, and the driving gear is meshed with a driven gear.
As a preferable scheme of the telescopic rotary hydraulic cylinder of the invention, wherein: a sliding groove is formed in one side of the inner part of the central component, a sliding plate is connected in the sliding groove in a sliding way, a U-shaped piece is fixedly connected to one side of the sliding plate, two shaft ends of the driving gear rotate between the inner parts of the U-shaped pieces, the driving motor is arranged on the top surface of the U-shaped piece, a hole for connecting the output end of the driving motor is formed in the top of the U-shaped piece, and an adjusting device for driving the sliding plate to slide in the sliding groove is arranged on the center assembly.
As a preferable scheme of the telescopic rotary hydraulic cylinder of the invention, wherein: the adjusting device comprises a driving motor fixed at the bottom of the central component, the center of the sliding groove is rotationally connected with a threaded rod, and the threaded rod is in threaded connection with the inside of the sliding plate. When the height of the driving gear needs to be adjusted, the driving motor is started, the driving motor drives the threaded rod to rotate, the threaded rod is matched with the threaded connection between the threaded rod and the sliding plate, the sliding plate is matched with the sliding connection between the sliding plate and the sliding groove, and the sliding plate can be driven to move upwards or downwards in the sliding groove, so that the U-shaped piece and the driving gear can be driven to move upwards or downwards, and the adjustment of the height position of the driving gear is realized.
As a preferable scheme of the telescopic rotary hydraulic cylinder of the invention, wherein: the hydraulic cylinder is characterized in that two groups of check valves are arranged on the surfaces of the upper and lower hydraulic cylinders, close to one end of the central assembly, the two groups of check valves are opposite in passing direction, an electromagnetic valve is arranged on the outer connection of the check valves, and an oil pipe is arranged on the other end of the check valve in a connection mode. When the hydraulic oil pump is in operation, the oil pipe is connected with the oil pump, hydraulic oil is conveyed to boost pressure when the hydraulic oil needs to be stretched, and the hydraulic oil passes through the electromagnetic valve and the one-way valve to enter the hydraulic cylinder, so that the piston part is outwards stretched.
As a preferable scheme of the telescopic rotary hydraulic cylinder of the invention, wherein: the top of center subassembly and be located the top of driving motor and be equipped with the cylindrical containing shell that upwards protrudes, cylindrical containing shell is in the intercommunication state with center subassembly, and the inner circle diameter of cylindrical containing shell is greater than driving motor's cross-section diameter. When the driving motor moves upwards under the regulation of the regulating device, the driving motor is contained in the cylindrical containing shell, and the phenomenon that the moving distance of the driving motor is insufficient is avoided.
As a preferable scheme of the telescopic rotary hydraulic cylinder of the invention, wherein: and one end, close to the central component, of the hydraulic cylinder is provided with an annular sealing piece, and the annular sealing piece is arranged between the loop bar and the inner wall of the hydraulic cylinder. The sealing performance of the hydraulic cylinder can be guaranteed by arranging the annular sealing piece between the hydraulic cylinder and the loop bar, and the probability of oil leakage is avoided.
As a preferable scheme of the telescopic rotary hydraulic cylinder of the invention, wherein: one side of the inner wall of the center assembly is fixedly connected with a middle side plate between two driven gears, annular grooves are formed in the upper side and the lower side of the middle side plate, two driven gears are fixedly connected with annular pieces close to one side of the middle side plate, a plurality of balls are uniformly distributed in the annular pieces, and when the driven gears rotate, the balls roll in the space between the annular pieces and the annular grooves. The two driven gears are provided with the annular parts close to the middle side plates, and when the driven gears rotate, the stability of the rotation of the driven gears can be improved.
In summary, the present invention includes at least one of the following beneficial effects:
1. according to the invention, the polygonal rod is arranged at one end of the cylindrical rod, the loop bar is arranged between the central component and the hydraulic cylinder, the polygonal groove matched with the polygonal rod is arranged in the loop bar, and the driven gear, the driving gear and the driving component are matched to drive the loop bar to rotate, so that the loop bar can drive the cylindrical rod to rotate, the problem that the hydraulic rod in a comparison document can only be set as a polygon is solved, the application range of the rotary hydraulic cylinder is improved, and the components for driving the polygonal rod to rotate are all arranged in the whole device, so that the safety of the whole device in the use process is higher, the components for driving the polygonal rod can be in a closed space when not in use, good protection can be obtained, and the service life of the hydraulic cylinder is prolonged.
2. According to the invention, the driving motor drives the threaded rod to rotate, the threaded rod is matched with the threaded connection between the threaded rod and the sliding plate, and the sliding plate is matched with the sliding connection between the sliding plate and the sliding groove, so that the sliding plate can be driven to move upwards or downwards in the sliding groove, the U-shaped piece and the driving gear can be driven to move upwards or downwards, the height position of the driving gear is adjusted, the driving gear and one of the driven gears are matched for transmission rotation, and the two driven gears can be simultaneously driven to be matched, so that the effect of selecting one hydraulic cylinder to work or selecting two hydraulic cylinders to work synchronously according to actual needs is achieved.
3. According to the invention, through the pressurization of the hydraulic oil, the hydraulic oil passes through the electromagnetic valve and the one-way valve to enter the hydraulic cylinder, the piston part is outwards expanded, and meanwhile, the T-shaped groove is matched with the T-shaped end part of the cylindrical rod to push the cylindrical rod to outwards move, so that the whole hydraulic cylinder is unfolded to realize transmission, and the T-shaped groove is in rotary fit with the T-shaped end part of the cylindrical rod, so that the cylindrical rod can conveniently rotate under the action of the driving assembly.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the connection structure of the loop bar and polygonal bar in the present invention;
FIG. 3 is a schematic view of the ring and ball connection of the present invention;
FIG. 4 is a perspective cross-sectional view of the present invention;
FIG. 5 is a front perspective cross-sectional view of the present invention;
FIG. 6 is an enlarged view of a portion of the invention at A in FIG. 5;
FIG. 7 is a schematic view of the structure of the adjusting device of the present invention;
FIG. 8 is a schematic view of a loop bar according to the present invention;
FIG. 9 is a cross-sectional view of the piston member of the present invention;
fig. 10 is a cross-sectional view of the structure of the interior of the center assembly of the present invention.
Reference numerals illustrate:
reference numerals in the drawings: 1. a center assembly; 2. a hydraulic cylinder; 3. a piston member; 4. a cylindrical rod; 5. a flange plate; 6. a polygonal rod; 7. a loop bar; 8. polygonal grooves; 9. a driven gear; 10. a T-shaped groove; 11. a drive motor; 12. a drive gear; 13. a chute; 14. a sliding plate; 15. a U-shaped member; 16. a driving motor; 17. a threaded rod; 18. a one-way valve; 19. an electromagnetic valve; 20. a cylindrical receiving case; 21. an annular seal; 22. a middle side plate; 23. an annular groove; 24. a ring member; 25. and (3) rolling balls.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The embodiment of the invention discloses a telescopic rotary hydraulic cylinder.
The invention provides a telescopic rotary hydraulic cylinder as shown in figures 1-6, which comprises a central component 1 and a hydraulic cylinder 2 symmetrically connected with the upper end and the lower end of the central component 1, and is characterized in that the hydraulic cylinder 2 comprises a sliding piston part 3, one end of the piston part 3 is connected with a cylindrical rod 4 extending to the outside of the hydraulic cylinder 2, the end part of the cylindrical rod 4 is connected with a flange 5, one end of the cylindrical rod 4, which is close to the central component 1, is fixedly connected with a polygonal rod 6, in the embodiment, the cylindrical rod 4 is provided with a quadrangle, but is not limited to the quadrangle, the outside of the polygonal rod 6 is sleeved with a sleeve rod 7, the sleeve rod 7 penetrates through and is rotatably arranged between the central component 1 and the hydraulic cylinder 2, a polygonal groove 8 matched with the polygonal rod 6 is formed in one end of the sleeve rod 7, which is close to the polygonal rod 6, when the sleeve rod 7 rotates, the polygonal rod 6 rotates, and the end part of the sleeve rod 7 extending to the inside the central component 1 is fixedly connected with a driven gear 9; the parts that the inside hydraulic cylinder 2 at upper and lower both ends set up are all about central symmetry setting of center subassembly 1, and center subassembly 1 inside is equipped with can drive two driven gear 9 pivoted drive assembly, and drive assembly can drive one of them driven gear 9 rotation alone, also can drive two driven gear 9 rotation simultaneously. The driving assembly comprises a driving motor 11, the output end of the driving motor 11 is fixedly connected with a driving gear 12, and the driving gear 12 is meshed with the driven gear 9.
In use, one hydraulic cylinder 2 can be selected to work or two hydraulic cylinders 2 can be selected to work synchronously according to actual needs;
when one of the hydraulic cylinders 2 is selected to work, firstly, the position of the sliding plate 14 in the chute 13 is adjusted through the adjusting device, according to selection, the sliding plate 14 is adjusted to move upwards or downwards, so as to drive the U-shaped piece 15 and the driving gear 12 to move towards the corresponding driven gear 9, the driving gear 12 is meshed with the corresponding driven gear 9, when the corresponding cylindrical rod 4 needs to be driven to rotate, the driving motor 11 is started, the driving motor 11 drives the driving gear 12 to rotate, the driven gear 9 can be driven to rotate by matching with the transmission meshing relationship between the driving gear 12 and the driven gear 9, the sleeve rod 7 connected with one end of the driven gear 9 can be driven to rotate, the polygonal rod 6 can be driven to rotate by matching with the polygonal groove 8 arranged in the sleeve rod 7 and the polygonal rod 6, so as to drive the cylindrical rod 4 connected with the polygonal rod 6 to rotate, when the cylindrical rods 4 in the two hydraulic cylinders 2 are required to synchronously rotate, the driving gear 12 is adjusted to be positioned in the middle of the central component 1 by the adjusting device, so that the driving gear 12 is meshed with the two driven gears 9 at the same time, and therefore, the shape of the hydraulic rods used by the hydraulic cylinder is not limited, in the hydraulic cylinder, namely the cylindrical rods 4, the cylindrical rods 4 are used for realizing smaller friction force and more attractive appearance compared with polygonal hydraulic rods, the rod bodies of the hydraulic rods can be arranged into other shapes according to actual needs, the main components of the adjusting device for adjusting the positions of the driving gears are basically arranged in the central component 1, and the driving component, the driven gears 9, the loop bars 7 and the polygonal rods 6 are all arranged in the central component 1 and the hydraulic cylinders 2, the normal work can not be influenced, the safety is high, and the service life of the whole device is prolonged.
In order to make the cylindrical rod 4 smoothly perform vertical movement, as shown in fig. 7-9, one end of the cylindrical rod 4, which is close to the piston member 3, is provided with a T-shape, and the T-shaped end of the cylindrical rod 4 is rotatably connected with the interior of the piston member 3, and the piston member 3 is provided with a T-shaped groove 10 adapted to the T-shaped end of the cylindrical rod 4. Two groups of check valves 18 are arranged on the surfaces of the upper and lower hydraulic cylinders 2, which are close to one end of the central assembly 1, the two groups of check valves 18 are opposite in direction, electromagnetic valves 19 are arranged on the outer connection of the check valves 18, and oil pipes are arranged on the other end of the check valves 18 in a connection mode.
Connecting oil pipe with oil pump, when needs extend, carrying hydraulic oil pressure boost, hydraulic oil passes solenoid valve 19 and check valve 18 and gets into hydraulic cylinder 2, outwards struts piston part 3, and when outwards struts piston part 3, because T-shaped tip cooperation of T-shaped groove 10 and cylindrical pole 4 can promote cylindrical pole 4 outwards remove, realizes the transmission with whole pneumatic cylinder expansion to T-shaped tip of T-shaped groove 10 and cylindrical pole 4 can normal running fit, is convenient for cylindrical pole 4 to realize rotating under drive assembly effect.
In order to realize the adjustment of the position of the driving gear 12, as shown in fig. 10, a chute 13 is formed on one side of the inside of the central assembly 1, a sliding plate 14 is slidably connected in the chute 13, a U-shaped member 15 is fixedly connected on one side of the sliding plate 14, two shaft ends of the driving gear 12 rotate between the insides of the U-shaped member 15, a driving motor 11 is mounted on the top surface of the U-shaped member 15, a hole for connecting the output end of the driving motor 11 is formed in the top of the U-shaped member 15, and an adjusting device for driving the sliding plate 14 to slide in the chute 13 is arranged on the central assembly 1. The adjusting device comprises a driving motor 16 fixed at the bottom of the central assembly 1, a threaded rod 17 is rotatably connected to the center of the chute 13, and the threaded rod 17 is in threaded connection with the inside of the sliding plate 14.
When the height of the driving gear 12 needs to be adjusted, the driving motor 16 is started, the driving motor 16 drives the threaded rod 17 to rotate, the threaded rod 17 is matched with the threaded connection between the sliding plate 14 and the sliding plate 14, and the sliding plate 14 is matched with the sliding connection between the sliding plate 14 and the sliding groove 13, so that the sliding plate 14 can be driven to move upwards or downwards in the sliding groove 13, and the U-shaped piece 15 and the driving gear 12 can be driven to move upwards or downwards, and the adjustment of the height position of the driving gear 12 is realized.
As shown in fig. 4, a cylindrical receiving case 20 protruding upward is provided on the top of the center assembly 1 and above the driving motor 11, the cylindrical receiving case 20 is in communication with the center assembly 1, and the diameter of the inner ring of the cylindrical receiving case 20 is larger than the diameter of the section of the driving motor 11.
When the driving motor 11 is adjusted by the adjusting device to move upwards, the driving motor 11 is contained in the cylindrical containing shell 20, the distance for avoiding the driving motor 11 to move is not enough, and if the overall height of the center assembly 1 is directly set to be a little larger, a certain space is wasted.
In order to improve the tightness of the hydraulic cylinder 2, as shown in fig. 6, an annular sealing member 21 is disposed at one end of the hydraulic cylinder 2 near the center assembly 1, and the annular sealing member 21 is disposed between the sleeve rod 7 and the inner wall of the hydraulic cylinder 2.
The tightness of the hydraulic cylinder 2 can be ensured by providing an annular seal 21 between the connection of the hydraulic cylinder 2 and the stem 7.
In order to improve the stability of rotation of the driven gears 9 and the loop bar 7 connected with the driven gears, as shown in fig. 5, one side of the inner wall of the center assembly 1 is fixedly connected with a middle side plate 22 between the two driven gears 9, annular grooves 23 are formed in the upper side and the lower side of the middle side plate 22, an annular piece 24 is fixedly connected with one side of the two driven gears 9, which is close to the middle side plate 22, a plurality of balls 25 are uniformly distributed in the annular piece 24, and when the driven gears 9 rotate, the balls 25 roll in the space between the annular piece 24 and the annular grooves 23.
Through being equipped with middle part curb plate 22 in one side of the inner wall of center subassembly 1, all set up ring channel 23 in middle part curb plate 22 upper and lower both sides simultaneously to be provided with ring piece 24 near middle part curb plate 22 at two driven gears 9, ball 25 both ends roll in ring piece 24 and ring channel 23, when driven gears 9 rotate, can improve driven gears 9 pivoted stability.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.

Claims (9)

1. The utility model provides a flexible rotary type pneumatic cylinder, includes center subassembly (1) and symmetrical hydraulic cylinder (2) of connecting in both ends about center subassembly (1), a serial communication port, including gliding piston spare (3) in hydraulic cylinder (2), the one end of piston spare (3) is connected with cylindrical pole (4) that extend to the outside of hydraulic cylinder (2), and cylindrical pole (4) end connection has ring flange (5), the one end fixedly connected with polygon pole (6) that cylindrical pole (4) is close to center subassembly (1), the outside cover of polygon pole (6) is equipped with loop bar (7), loop bar (7) run through and rotate and set up between center subassembly (1) and hydraulic cylinder (2), and loop bar (7) are close to polygon pole (6) one end inside offered polygonal groove (8) with polygonal pole (6) looks adaptation, and when loop bar (7) rotate, polygonal pole (6) follow and rotate, loop bar (7) end fixedly connected with driven gear (9) that extend to inside center subassembly (1);
the parts that the inside of the hydraulic cylinder (2) at upper and lower both ends set up are all about the central symmetry setting of center subassembly (1), inside being equipped with of center subassembly (1) can drive two driven gear (9) pivoted drive assembly, drive assembly can drive one of them driven gear (9) rotation alone, also can drive two driven gear (9) rotation simultaneously.
2. The telescopic rotary hydraulic cylinder according to claim 1, wherein one end of the cylindrical rod (4) close to the piston member (3) is provided with a T-shape, the T-shaped end of the cylindrical rod (4) is rotationally connected with the interior of the piston member (3), and a T-shaped groove (10) adapted to the T-shaped end of the cylindrical rod (4) is provided in the piston member (3).
3. Telescopic rotary hydraulic cylinder according to claim 1, characterized in that the drive assembly comprises a drive motor (11), the output end of the drive motor (11) is fixedly connected with a drive gear (12), and the drive gear (12) is meshed with a driven gear (9).
4. A telescopic rotary hydraulic cylinder according to claim 3, characterized in that a chute (13) is provided on one side of the inside of the central assembly (1), a sliding plate (14) is slidably connected in the chute (13), a U-shaped member (15) is fixedly connected on one side of the sliding plate (14), two shaft ends of the driving gear (12) rotate between the insides of the U-shaped member (15), the driving motor (11) is mounted on the top surface of the U-shaped member (15), a hole for connecting the output end of the driving motor (11) is provided on the top of the U-shaped member (15), and an adjusting device for driving the sliding plate (14) to slide in the chute (13) is provided on the central assembly (1).
5. Telescopic rotary hydraulic cylinder according to claim 4, characterized in that the adjustment means comprise a drive motor (16) fixed at the bottom of the central assembly (1), the centre of the chute (13) being rotatably connected with a threaded rod (17), the threaded rod (17) being in threaded connection with the inside of the sliding plate (14).
6. The telescopic rotary hydraulic cylinder according to claim 1, wherein two groups of one-way valves (18) are arranged on the surfaces, close to the center assembly (1), of the upper hydraulic cylinder (2) and the lower hydraulic cylinder (2), the two groups of one-way valves (18) are opposite in direction, electromagnetic valves (19) are arranged on the outer portions of the one-way valves (18) in a connecting mode, and oil pipes are arranged on the other ends of the one-way valves (18) in a connecting mode.
7. Telescopic rotary hydraulic cylinder according to claim 1, characterized in that the top of the central assembly (1) and above the drive motor (11) is provided with an upwardly protruding cylindrical housing (20), the cylindrical housing (20) is in communication with the central assembly (1), and the diameter of the inner ring of the cylindrical housing (20) is larger than the cross-sectional diameter of the drive motor (11).
8. Telescopic rotary hydraulic cylinder according to claim 1, characterized in that the end of the hydraulic cylinder (2) inside the central assembly (1) is provided with an annular seal (21), said annular seal (21) being arranged between the stem (7) and the inner wall of the hydraulic cylinder (2).
9. The telescopic rotary hydraulic cylinder according to claim 1, wherein one side of the inner wall of the central assembly (1) is fixedly connected with a middle side plate (22) between two driven gears (9), annular grooves (23) are formed in the upper side and the lower side of the middle side plate (22), an annular piece (24) is fixedly connected to one side, close to the middle side plate (22), of each driven gear (9), a plurality of balls (25) are uniformly distributed in the annular piece (24), and when the driven gears (9) rotate, the balls (25) roll in a space between the annular piece (24) and the annular grooves (23).
CN202310232845.2A 2023-03-13 2023-03-13 Telescopic rotary hydraulic cylinder Active CN115949642B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310232845.2A CN115949642B (en) 2023-03-13 2023-03-13 Telescopic rotary hydraulic cylinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310232845.2A CN115949642B (en) 2023-03-13 2023-03-13 Telescopic rotary hydraulic cylinder

Publications (2)

Publication Number Publication Date
CN115949642A CN115949642A (en) 2023-04-11
CN115949642B true CN115949642B (en) 2023-05-30

Family

ID=85892323

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310232845.2A Active CN115949642B (en) 2023-03-13 2023-03-13 Telescopic rotary hydraulic cylinder

Country Status (1)

Country Link
CN (1) CN115949642B (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN215214196U (en) * 2021-05-27 2021-12-17 河北裕隆机械有限责任公司 Hydraulic cylinder with adjustable mounting position
CN216343133U (en) * 2021-10-21 2022-04-19 烟台星辉劳斯堡液压机械有限公司 Mechanical self-locking spiral swinging oil cylinder
CN218294052U (en) * 2022-07-23 2023-01-13 浙江众升机械制造有限公司 Adjustable hydraulic oil cylinder test bed

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3424515A1 (en) * 1984-07-04 1986-01-09 Gottfried 5905 Freudenberg Bitterlich Pneumatic drive
WO2009060707A1 (en) * 2007-11-06 2009-05-14 Koganei Corporation Fluid pressure cylinder
CN105041758B (en) * 2015-08-14 2017-05-10 中国船舶重工集团公司第七一九研究所 Integrated hydraulic cylinder with functions of rotating and telescoping
CN208221511U (en) * 2018-04-23 2018-12-11 北京配天技术有限公司 Multiposition synchronous rotary driving device and automation equipment
CN111102266A (en) * 2018-10-28 2020-05-05 江都区武坚兴业机械厂 Telescopic rotary hydraulic cylinder
CN211116932U (en) * 2019-12-17 2020-07-28 扬州思杰机电设备有限公司 Novel locking hydraulic oil cylinder
CN212615701U (en) * 2020-06-29 2021-02-26 辽宁阿尔法液压有限公司 Telescopic rotary hydraulic cylinder structure
CN214196821U (en) * 2020-09-15 2021-09-14 山东吉泰机械有限公司 Telescopic rotary hydraulic cylinder
CN214036324U (en) * 2020-12-15 2021-08-24 石家庄市栾城区祥泰科技有限公司 Hydraulic telescopic rotary oil cylinder
CN112727850B (en) * 2020-12-31 2022-05-06 兰州理工大学 Telescopic rotary hydraulic cylinder
CN113638933A (en) * 2021-07-05 2021-11-12 叶子凡 Multidirectional hydraulic cylinder
CN215762566U (en) * 2021-09-17 2022-02-08 扬州联森液压机械有限公司 Telescopic rotary hydraulic cylinder
CN115234534A (en) * 2021-10-14 2022-10-25 刘松洋 Telescopic rotary hydraulic cylinder
CN216241588U (en) * 2021-10-14 2022-04-08 北京冶自欧博科技发展有限公司 Hydraulic locking cylinder capable of automatically rotating and stretching
CN114087255B (en) * 2022-01-20 2022-04-08 江苏力速达液压有限公司 Telescopic rotary hydraulic cylinder for realizing rotary action
CN115126746A (en) * 2022-07-19 2022-09-30 烟台星辉劳斯堡液压机械有限公司 Special combined telescopic oil cylinder
CN115750514A (en) * 2022-10-26 2023-03-07 扬州旭欣气动液压设备有限公司 Rotary and telescopic integrated hydraulic cylinder

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN215214196U (en) * 2021-05-27 2021-12-17 河北裕隆机械有限责任公司 Hydraulic cylinder with adjustable mounting position
CN216343133U (en) * 2021-10-21 2022-04-19 烟台星辉劳斯堡液压机械有限公司 Mechanical self-locking spiral swinging oil cylinder
CN218294052U (en) * 2022-07-23 2023-01-13 浙江众升机械制造有限公司 Adjustable hydraulic oil cylinder test bed

Also Published As

Publication number Publication date
CN115949642A (en) 2023-04-11

Similar Documents

Publication Publication Date Title
CN107117217B (en) A kind of global wheel for the internal drive that robot uses
CN115949642B (en) Telescopic rotary hydraulic cylinder
CN204900176U (en) Driving oil cylinder's two -way hand pump of axial plunger type
CN110284912B (en) Self-gravity pressure relief buffer device for mining hydraulic prop
CN217814995U (en) Improved axial flow type control valve
CN201818578U (en) Position feedback power control valve
CN113309756B (en) Low-speed large-torque hydraulic motor system based on transmission of inner gear shaft
CN114619234A (en) Multi-rotation electric actuator mounting device
CN109488560B (en) High-efficient intelligent operation's motor compressor device
CN108999937B (en) Multi-speed output speed reducer for electric compressor system
CN209414285U (en) A kind of hydraulic system and lower limbs rehabilitation training robot
CN206085092U (en) A steering mechanism for on humanoid robot hip joint
CN208342782U (en) A kind of flap type valve plate assembly bench
CN219570929U (en) Double-communication ball valve with good sealing performance
CN207315091U (en) A kind of multifunctional and composite type cam structure automatic door-closing hinge
CN219651320U (en) Lifting seat tube for bicycle
CN114932020B (en) Multifunctional deformed shower head
CN1020785C (en) Vane pump system
CN215172417U (en) Quick reset manual ball valve with high platform torsion spring
CN117889232B (en) Regulating valve for high-pressure hydrogen and regulating method thereof
CN219282511U (en) Controllable swing check valve
CN104976174B (en) Threaded cartridge type pilot manual proportional throttled directional valve
CN115596821A (en) Static pressure stepless speed changer for gear transmission
CN217440920U (en) Single-action pneumatic actuator
CN209309408U (en) A kind of overflow valve body

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
CP01 Change in the name or title of a patent holder

Address after: 264006 No. 6, Beijing South Road, development zone, Yantai City, Shandong Province

Patentee after: Shandong Xinghui Hydraulic Equipment Co.,Ltd.

Address before: 264006 No. 6, Beijing South Road, development zone, Yantai City, Shandong Province

Patentee before: Yantai Xinghui LOUSBERG Hydraulic Machinery Co.,Ltd.

CP01 Change in the name or title of a patent holder