CN115234534A - Telescopic rotary hydraulic cylinder - Google Patents

Telescopic rotary hydraulic cylinder Download PDF

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Publication number
CN115234534A
CN115234534A CN202111198967.1A CN202111198967A CN115234534A CN 115234534 A CN115234534 A CN 115234534A CN 202111198967 A CN202111198967 A CN 202111198967A CN 115234534 A CN115234534 A CN 115234534A
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CN
China
Prior art keywords
hydraulic cylinder
tower
fixedly connected
telescopic
rotating rod
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.)
Pending
Application number
CN202111198967.1A
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Chinese (zh)
Inventor
刘松洋
徐飞祥
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202111198967.1A priority Critical patent/CN115234534A/en
Publication of CN115234534A publication Critical patent/CN115234534A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/02Mechanical layout characterised by the means for converting the movement of the fluid-actuated element into movement of the finally-operated member
    • F15B15/06Mechanical 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
    • F15B15/065Mechanical 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08Characterised by the construction of the motor unit
    • F15B15/14Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1423Component parts; Constructional details
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20Other details, e.g. assembly with regulating devices
    • F15B15/22Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke
    • F15B15/226Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke having elastic elements, e.g. springs, rubber pads

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Actuator (AREA)

Abstract

The invention relates to the technical field of hydraulic cylinders, in particular to a telescopic rotary hydraulic cylinder which comprises a hydraulic cylinder body, wherein a telescopic end of the hydraulic cylinder body is rotatably connected with a rotating rod, the outer wall of the hydraulic cylinder body is sleeved with a protective pipe, four grooves are formed in the protective pipe shell, transmission columns are rotatably connected in the four grooves, a through groove matched with the rotating rod is formed in the top end of the protective pipe, a turbine is fixedly connected to the outer wall of the lower end of the rotating rod, the turbine is connected with the protective pipe through a telescopic self-rotation mechanism, and a power assisting mechanism is arranged above the telescopic self-rotation mechanism; the telescopic self-rotating mechanism is adopted, so that the rotating rod can rotate while sliding; by adopting the transmission column, whether the rotating rod rotates can be controlled; by adopting the power-assisted mechanism, the automatic reset can be realized under the condition of not shortening the working stroke.

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 hydraulic actuator which converts hydraulic energy into mechanical energy and performs linear reciprocating motion (or swinging motion). It has simple structure and reliable operation. When the telescopic rotary hydraulic cylinder is used for realizing reciprocating motion, a speed reducing device can be omitted, no transmission gap exists, and the telescopic rotary hydraulic cylinder is stable in motion, so that the telescopic rotary hydraulic cylinder is widely applied to various mechanical hydraulic systems.
To this end, the invention provides a telescopic rotary hydraulic cylinder.
Disclosure of Invention
An object of the present invention is to provide a telescopic rotary hydraulic cylinder to solve the problems that it is impossible to control whether a turn lever is rotated and to automatically reset.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a flexible rotation type pneumatic cylinder, includes the pneumatic cylinder body, the flexible end of pneumatic cylinder body is rotated and is connected with the bull stick, the outer wall cover of pneumatic cylinder body is equipped with the protecting tube, seted up four recesses in the protecting tube casing, four the recess internal rotation is connected with the transmission post, just the top of protecting tube is equipped with the logical groove with bull stick matched with, bull stick lower extreme outer wall fixedly connected with turbine, be connected through flexible rotation mechanism between turbine and the protecting tube, just flexible rotation mechanism top is provided with assist drive device.
Preferably, the transmission column comprises a rack, a fixing column and a rotating disc, a fixing groove is formed in one side of the fixing column, the rack is fixedly connected into the fixing groove, and the rotating disc is fixedly connected to the top surface of the fixing column.
Preferably, tooth grooves matched with the racks are formed in the four grooves.
Preferably, the top end of the transmission column penetrates through the protective tube and extends to the position above the protective tube.
Preferably, the telescopic rotation mechanism comprises two support groups rotatably connected to the outer wall of the rotating rod, a rotating shaft is connected between the two support groups through bearings, a worm meshed with the turbine is fixedly connected to the outer wall of the rotating shaft, and gears are fixedly connected to the ends of the rotating shaft.
Preferably, the gear is meshed with the rack.
Preferably, the power assisting mechanism comprises two sector plates and two tower-shaped spring groups, the inner sides of the two sector plates are fixedly connected with the outer wall of the rotating rod, the outer sides of the two sector plates are rotatably connected with the protective shell, the sector plate 61 is used for supporting the tower-shaped spring group 62, an annular groove is formed in the top end of the protective tube 3, a sliding block 624 is connected in the annular groove in a sliding mode, and the bottom end of the sliding block 624 is fixedly connected with the tower-shaped spring group 62;
two the turriform spring assembly all includes head turriform spring, several connection turriform spring and tail tower shape spring, head turriform spring top and the inside top surface fixed connection of protecting crust, adjacent connection turriform spring top and top of the tower fixed connection, tail turriform spring 623 bottom fixed connection is at sector plate 61 top surface.
Compared with the prior art, the invention has the beneficial effects that:
1. the telescopic rotation mechanism is adopted, so that the rotation rod can rotate while sliding; through adopting the transmission post, can realize whether rotatory control to the bull stick.
2. The invention can realize automatic reset without shortening the working stroke by adopting the power-assisted mechanism.
Drawings
FIG. 1 is a schematic view of the internal structure of a telescopic rotary hydraulic cylinder according to the present invention;
FIG. 2 is an enlarged view of a portion of the telescoping rotary cylinder of the present invention;
FIG. 3 is a top cross-sectional view of the telescoping rotary cylinder of the present invention;
FIG. 4 is a cross-sectional view of the drive column of the telescoping rotary hydraulic cylinder of the present invention;
fig. 5 is a combination view of the slider and the annular groove of the telescopic rotary hydraulic cylinder of the present invention.
In the figure: 1. a hydraulic cylinder body; 2. a rotating rod; 3. a protective tube; 31. a groove; 32. a through groove; 4. a turbine; 5. a telescopic rotation mechanism; 51. a bracket set; 52. a rotating shaft; 53. a worm; 54. a gear; 6. a power-assisted mechanism; 61. a sector plate; 62. a tower-shaped spring group; 621. a head-tower spring; 622. connecting a tower-shaped spring; 623. a tail tower spring; 624. a slider; 7. a drive post; 71. fixing a column; 72. a rack; 73. and (6) rotating the disc.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the invention provides a telescopic rotary hydraulic cylinder, which comprises a hydraulic cylinder body 1, wherein a telescopic end of the hydraulic cylinder body 1 is rotatably connected with a rotating rod 2, a protective pipe 3 is sleeved on the outer wall of the hydraulic cylinder body 1, four grooves 31 are formed in a shell of the protective pipe 3, transmission columns 7 are rotatably connected in the four grooves 31, a through groove 32 matched with the rotating rod 2 is formed in the top end of the protective pipe 3, a turbine 4 is fixedly connected to the outer wall of the lower end of the rotating rod 2, the turbine 4 is connected with the protective pipe 3 through a telescopic self-rotating mechanism 5, and a power assisting mechanism 6 is arranged above the telescopic self-rotating mechanism 5. When the hydraulic cylinder body 1 drives the rotating rod 2 to slide upwards, the rotating rod 2 drives the telescopic self-rotating mechanism 5 to slide upwards, the telescopic self-rotating mechanism 5 drives the turbine 4 to rotate under the action of the transmission column 7, and the turbine 4 drives the rotating rod 2 to rotate, so that the rotating rod 2 can slide and rotate at the same time; when the working stroke is finished, the boosting mechanism 6 works to provide larger restoring force for the piston and shorten the resetting time, so that the aim of improving the working efficiency is fulfilled, when the rotating rod 2 rotates, the bracket set 51 cannot be driven to rotate, and the gear 54 on the bracket set 51 cannot rotate relative to the rack 72 in the tooth socket.
Specifically, the transmission column 7 includes a rack 72, a fixing column 71 and a rotating disc 73, a fixing groove is formed in one side of the fixing column 71, the rack 72 is fixedly connected in the fixing groove, and the rotating disc 73 is fixedly connected to the top surface of the fixing column 71.
Specifically, tooth grooves matched with the racks 72 are formed in the four grooves 31, and the tooth grooves are used for fixing the transmission column 7. By rotating the rotating disc 73, the rack 72 can be rotated and enter the tooth grooves matched with the rack, and whether the transmission column 7 has a transmission function or not is controlled.
Specifically, the top end of the transmission column 7 penetrates through the protective tube 3 and extends to the upper part of the protective tube 3.
Specifically, the telescopic rotation mechanism 5 comprises two support groups 51 rotatably connected to the outer wall of the rotating rod 2, a rotating shaft 52 is connected between the two support groups 51 through a bearing, a worm 53 meshed with the turbine 4 is fixedly connected to the outer wall of the rotating shaft 52, and a gear 54 is fixedly connected to the end of the rotating shaft 52.
Specifically, the gear 54 is engaged with the rack 72. When hydraulic cylinder body 1 drives bull stick 2 upwards sliding, bull stick 2 drives the up movement of support group 51, support group 51 drives pivot 52 up movement, pivot 52 drives gear 54 and upwards rotates along rack 72, gear 54 drives pivot 52 and rotates, pivot 52 drives turbine 4 through scroll 53 and rotates, last turbine 4 drives bull stick 2 and rotates, thereby realize rotating in bull stick 2 gliding, make hydraulic cylinder body 1's function more comprehensive, application scope is more extensive, when bull stick 2 rotates, will not drive support group 51 and rotate, and then gear 54 on the support group 51 can not produce relative rotation for the rack 72 in the tooth's socket.
Specifically, the boosting mechanism 6 comprises two sector plates 61 and two tower-shaped spring groups 62, the inner sides of the two sector plates 61 are fixedly connected with the outer wall of the rotating rod 2, the outer sides of the two sector plates 61 are rotatably connected with the protecting tube 3, the sector plates 61 are used for supporting the tower-shaped spring groups 62, an annular groove is formed in the top end of the protecting tube 3, a sliding block 624 is connected in the annular groove in a sliding manner, the bottom end of the sliding block 624 is fixedly connected with the tower-shaped spring groups 62, and the tower-shaped spring groups are prevented from being twisted in the working process and being damaged after the twisting degree is larger than the deformation range of the tower-shaped spring groups;
two the tower-shaped spring groups 62 all include a head tower-shaped spring 621, a plurality of connecting tower-shaped springs 622 and a tail tower-shaped spring 623, the top end of the head tower-shaped spring 621 is fixedly connected with the top surface inside the protective shell, the top end of the adjacent connecting tower-shaped spring 622 is fixedly connected with the top of the tower, the bottom end of the adjacent connecting tower-shaped spring 622 is fixedly connected with the bottom of the tower, and the bottom end of the tail tower-shaped spring 623 is fixedly connected with the top surface of the sector plate 61. When the hydraulic cylinder body 1 drives the rotating rod 2 to move upwards, the sector plate 61 fixedly connected to the outer wall of the rotating rod 2 compresses the tower-shaped spring group 62; when the working stroke is finished, the elastic force generated by the tower-shaped spring group 62 provides larger restoring force for the reset of the rotating rod 2, so that on one hand, the reset time is shortened, and the aim of improving the working efficiency is fulfilled; on the other hand, the tower top and the tower top of the tower-shaped spring group 62 are fixedly connected, and the tower bottom are fixedly connected, so that the stroke space occupied by the tower-shaped spring group 62 is greatly reduced, and the function of providing restoring force is achieved while the working stroke is not shortened.
The working principle is as follows: when the hydraulic cylinder body 1 drives the rotating rod 2 to slide upwards, the rotating rod 2 drives the support group 51 to move upwards, the support group 51 drives the rotating shaft 52 to move upwards, the rotating shaft 52 drives the gear 54 to rotate upwards along the rack 72, the gear 54 drives the rotating shaft 52 to rotate, the rotating shaft 52 drives the turbine 4 to rotate through the worm gear, and finally the turbine 4 drives the rotating rod 2 to rotate; at the end of the working stroke, the tower-shaped spring group 62 generates elastic force to provide restoring force for the return of the rotating rod 2; when the rotating rod does not need to do rotating motion, the rotating disc 73 is rotated, the rotating disc drives the rack 72 to rotate and enter the tooth grooves matched with the rack, at the moment, the rotating column 7 does not play a transmission role any more, and the rotating rod 2 only does reciprocating motion.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a flexible rotation type pneumatic cylinder, includes pneumatic cylinder body (1), its characterized in that: the telescopic end of the hydraulic cylinder body (1) is rotatably connected with a rotating rod (2), the outer wall sleeve of the hydraulic cylinder body (1) is provided with a protective pipe (3), four grooves (31) and four grooves (31) are formed in the protective pipe (3) shell, a transmission column (7) is connected to the inner portion of each groove (31), a through groove (32) matched with the rotating rod (2) is formed in the top end of the protective pipe (3), a turbine (4) is fixedly connected to the outer wall of the lower end of the rotating rod (2), the turbine (4) and the protective pipe (3) are connected through a telescopic rotation mechanism (5), and a power assisting mechanism (6) is arranged above the telescopic rotation mechanism (5).
2. A telescopic rotary hydraulic cylinder according to claim 1, characterized in that: the transmission column (7) comprises a rack (72), a fixing column (71) and a rotating disc (73), a fixing groove is formed in one side of the fixing column (71), the rack (72) is fixedly connected in the fixing groove, and the rotating disc (73) is fixedly connected to the top surface of the fixing column (71).
3. A telescopic rotary hydraulic cylinder according to claim 1, characterized in that: tooth grooves matched with the racks (72) are formed in the four grooves (31).
4. A telescopic rotary hydraulic cylinder according to claim 1, characterized in that: the top end of the transmission column (7) penetrates through the protective tube (3) and extends to the upper part of the protective tube (3).
5. A telescopic rotary hydraulic cylinder according to claim 1, characterized in that: the telescopic rotation mechanism (5) comprises two support groups (51) fixedly connected to the outer wall of the rotating rod (2), a rotating shaft (52) is fixedly connected between the support groups (51), a worm (53) meshed with the turbine (4) is fixedly connected to the outer wall of the rotating shaft (52), and a gear (54) is fixedly connected to the end of the rotating shaft (52).
6. A telescopic rotary hydraulic cylinder according to claim 5, characterized in that: the gear (54) is meshed with the rack (72).
7. A telescopic rotary hydraulic cylinder according to claim 1, characterized in that: the power assisting mechanism (6) comprises two sector plates (61) and two tower-shaped spring groups (62), the top ends of the two tower-shaped spring groups (62) are rotatably connected with the protective pipe (3) through sliders (624), the inner sides of the two sector plates (61) are fixedly connected with the outer wall of the rotating rod (2), the outer sides of the two sector plates (61) are rotatably connected with the protective shell, the sector plates (61) are used for supporting the tower-shaped spring groups (62), the top end of the protective pipe (3) is provided with an annular groove, the annular groove is internally connected with the sliders (624) in a sliding manner, and the bottom ends of the sliders (624) are fixedly connected with the tower-shaped spring groups (62);
two turriform spring assembly (62) all include first turriform spring (621), several connection turriform spring (622) and tail tower shape spring (623), first turriform spring (621) top and the inside top surface fixed connection of protecting crust, adjacent connection turriform spring (622) top and top of the tower fixed connection, bottom of the tower and bottom of the tower fixed connection, tail tower shape spring (623) bottom fixed connection is at sector plate (61) top surface.
CN202111198967.1A 2021-10-14 2021-10-14 Telescopic rotary hydraulic cylinder Pending CN115234534A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111198967.1A CN115234534A (en) 2021-10-14 2021-10-14 Telescopic rotary hydraulic cylinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111198967.1A CN115234534A (en) 2021-10-14 2021-10-14 Telescopic rotary hydraulic cylinder

Publications (1)

Publication Number Publication Date
CN115234534A true CN115234534A (en) 2022-10-25

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ID=83666677

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111198967.1A Pending CN115234534A (en) 2021-10-14 2021-10-14 Telescopic rotary hydraulic cylinder

Country Status (1)

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CN (1) CN115234534A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115949642A (en) * 2023-03-13 2023-04-11 烟台星辉劳斯堡液压机械有限公司 Telescopic rotary hydraulic cylinder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115949642A (en) * 2023-03-13 2023-04-11 烟台星辉劳斯堡液压机械有限公司 Telescopic rotary hydraulic cylinder

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