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CN116892547B - Rotary oil cylinder with position self-locking function - Google Patents

Rotary oil cylinder with position self-locking function Download PDF

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Publication number
CN116892547B
CN116892547B CN202311152383.XA CN202311152383A CN116892547B CN 116892547 B CN116892547 B CN 116892547B CN 202311152383 A CN202311152383 A CN 202311152383A CN 116892547 B CN116892547 B CN 116892547B
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CN
China
Prior art keywords
oil
inner cavity
pipe
wall
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.)
Active
Application number
CN202311152383.XA
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Chinese (zh)
Other versions
CN116892547A (en
Inventor
吴玲
武锦平
吴金成
林张荣
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.)
Jiangsu Lixueda Hydraulic Co ltd
Original Assignee
Jiangsu Lixueda Hydraulic 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.)
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Publication date
Application filed by Jiangsu Lixueda Hydraulic Co ltd filed Critical Jiangsu Lixueda Hydraulic Co ltd
Priority to CN202311152383.XA priority Critical patent/CN116892547B/en
Publication of CN116892547A publication Critical patent/CN116892547A/en
Application granted granted Critical
Publication of CN116892547B publication Critical patent/CN116892547B/en
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Classifications

    • 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
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/26—Locking mechanisms
    • F15B15/261—Locking mechanisms using positive interengagement, e.g. balls and grooves, for locking in the end positions
    • 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
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • 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
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/044—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by electrically-controlled means, e.g. solenoids, torque-motors
    • F15B13/0444—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by electrically-controlled means, e.g. solenoids, torque-motors with rotary electric motor
    • 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
    • F15B15/18—Combined units comprising both motor and pump
    • 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
    • F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
    • 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
    • F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
    • F15B19/005—Fault detection or monitoring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
    • F16K11/08—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks
    • F16K11/085—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with cylindrical plug
    • F16K11/0853—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with cylindrical plug having all the connecting conduits situated in a single plane perpendicular to the axis of the plug
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
    • F16K31/041—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves
    • 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
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/26—Locking mechanisms
    • F15B2015/268—Fluid supply for locking or release independent of actuator pressurisation

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

Abstract

The invention relates to the technical field of rotary cylinders, and discloses a rotary cylinder with a position self-locking function, which comprises: the oil pump screw is connected to the top end of the oil tank; one end of the oil inlet pipe is arranged in the inner cavity of the oil tank, and the other end of the oil inlet pipe is connected with the oil pump; one end of the oil delivery pipe is connected with the oil pump; the switching mechanism is arranged at the top end of the oil tank, and the other end of the oil delivery pipe is connected with the switching mechanism; one end of the first oil pipe is connected with the conversion mechanism; the oil cylinder seat is connected with the other end of the first oil pipe; the rotary oil cylinder body is rotatably arranged at the front side of the oil cylinder seat. The device can prevent the main shaft from rotating accidentally when the equipment stops working or the hydraulic system loses power, so that the safety of the equipment is improved, meanwhile, an operator can conveniently maintain and operate the equipment, the device can monitor the jumping amplitude of the cylinder body in real time, the stability and the accuracy of the equipment are improved, and the product quality is improved.

Description

Rotary oil cylinder with position self-locking function
Technical Field
The invention relates to the technical field of rotary oil cylinders, in particular to a rotary oil cylinder with a position self-locking function.
Background
The rotary oil cylinder is common hydraulic equipment, is widely applied to mechanical equipment and is used for controlling rotation or rotary motion; when the rotary oil cylinder works, in order to prevent the main shaft from rotating accidentally when the equipment stops working or the hydraulic system loses power, the rotary oil cylinder is required to have a locking function, so that accidents can be effectively prevented, the safety is improved, and meanwhile, the convenience of maintenance and operation of the equipment by operators is improved.
However, conventional rotary cylinders generally do not have a self-locking function, and are mainly used for controlling rotation or rotation of equipment, but for position locking, conventional rotary cylinders do not provide a direct solution; to achieve the locking function of the slewing cylinders, conventional methods generally require additional equipment or systems, such as brakes, clutches, etc., which add complexity and cost to the system and may cause maintenance and operational inconvenience;
meanwhile, in order to prevent negative influence on stability and accuracy of equipment, when the rotary oil cylinder is used, the fluctuation amplitude of the cylinder body of the rotary oil cylinder is required to be within 0.02mm, when the rotary oil cylinder is used, if the conditions of oil cylinder hydraulic system faults, unbalanced load and the like occur, the fluctuation amplitude of the cylinder body can be increased, but the traditional rotary oil cylinder cannot monitor the fluctuation amplitude of the cylinder body in real time, so that the equipment cannot be maintained and adjusted in time, further, the stability and accuracy of the equipment can be negatively influenced, the product quality is reduced, and the use is inconvenient.
Disclosure of Invention
The invention aims to solve the defects that the prior art does not have a self-locking function and is not provided with a monitoring mechanism, and provides a rotary oil cylinder with a position self-locking function.
In order to achieve the above purpose, the present invention provides the following technical solutions: a slewing cylinder with position self-locking function, comprising: the oil pump screw is connected to the top end of the oil tank; one end of the oil inlet pipe is arranged in the inner cavity of the oil tank, and the other end of the oil inlet pipe is connected with the oil pump; one end of the oil delivery pipe is connected with the oil pump; the switching mechanism is arranged at the top end of the oil tank, and the other end of the oil delivery pipe is connected with the switching mechanism; one end of the first oil pipe is connected with the conversion mechanism; the oil cylinder seat is connected with the other end of the first oil pipe; the rotary oil cylinder body is rotatably arranged on the front side of the oil cylinder seat; the chuck is arranged at the rear side of the outer wall of the rotary oil cylinder body, and a monitoring groove is formed in the outer wall of the chuck along the circumferential direction; the locking mechanism is arranged at the front side of the top end of the outer wall of the oil cylinder seat; the monitoring mechanism is arranged at the front end of the right side of the outer wall of the oil cylinder seat; one end of the first oil return pipe is connected with the oil cylinder seat, and the other end of the first oil return pipe extends into the inner cavity of the oil inlet box; one end of the second oil return pipe is connected with the conversion mechanism, and the other end of the second oil return pipe extends into the inner cavity of the oil inlet box; one end of the second oil pipe is connected with the locking mechanism, and the other end of the second oil pipe is connected with the switching mechanism.
Further, in order to shift the delivery line of the hydraulic oil, the shift mechanism includes: the oil return device comprises a shell, wherein the shell is arranged at the top end of an oil tank, an oil delivery port communicated with an inner cavity of the shell is formed in the left side of the shell, a first oil outlet communicated with the inner cavity of the shell is formed in the rear side of the shell, an oil return port communicated with the inner cavity of the shell is formed in the right side of the shell, a second oil outlet communicated with the inner cavity of the shell is formed in the front side of the shell, the other end of an oil delivery pipe is arranged in the inner cavity of the oil delivery port, one end of a first oil pipe is arranged in the inner cavity of the first oil outlet, one end of a second oil return pipe is arranged in the inner cavity of the oil return port, and the other end of the second oil pipe is arranged in the inner cavity of the second oil outlet; the bottom end of the rotating rod is rotatably arranged in the middle of the bottom end of the inner cavity of the shell through a bearing, and the top end of the rotating rod extends out of the top end of the shell; the switching disc is fixedly sleeved on the outer wall of the rotary rod, the switching disc is completely matched with the inner cavity of the shell, a first conveying groove communicated with the first oil outlet and the oil return port is formed in the switching disc, and a second conveying groove communicated with the oil conveying port and the second oil outlet is formed in the switching disc; the motor screw is connected in the middle of the top of the shell, and the top of the rotating rod is locked at the output end of the motor through the coupler.
Further, in order to fix the piston cylinder, the locking mechanism includes: the mounting seat is arranged at the front side of the top end of the outer wall of the oil cylinder seat; the number of the guide rods is two, and the front and rear ends of the two guide rods are respectively arranged at the left and right ends of the front and rear sides of the inner cavity of the mounting seat; the first spring is sleeved on the outer wall of the guide rod, and the rear end of the first spring is clamped in the inner cavity of the mounting seat; the locking block is slidably sleeved on the front side of the outer wall of the guide rod, the front end of a spring Hu Di is clamped on the rear side of the locking block, and the top end of the outer wall of the chuck is positioned in the inner cavity of the locking block; the first locking piece is arranged at the bottom end of the front side of the inner cavity of the locking block, and the position of the first locking piece corresponds to the position of the chuck.
Further, in order to lock the rotary cylinder body, the locking mechanism further includes: the outer wall of the piston cylinder is fixedly arranged at the rear side of the inner cavity of the locking block, the rear side of the outer wall of the piston cylinder can slide to extend out of the rear side of the mounting seat, and the rear side of the piston cylinder is provided with an oil inlet; the piston head is slidably matched and inserted into the inner cavity of the piston cylinder; the rear end of the piston rod is arranged in the middle of the front side of the piston head, and the front end of the piston rod extends out of the front side of the piston cylinder; the second spring is sleeved on the outer wall of the piston rod, the rear end of the second spring is clamped on the front side of the piston head, and the front end of the second spring is clamped on the front side of the inner cavity of the piston cylinder; the second locking piece is arranged at the front end of the piston rod, and the position of the second locking piece corresponds to the position of the first locking piece.
Further, in order to monitor the amplitude of the runout of the cylinder, the monitoring mechanism includes: the fixed seat is arranged at the front end of the right side of the outer wall of the oil cylinder seat; the monitoring rod is slidably matched and inserted into the inner cavity of the fixed seat, the left end of the monitoring rod is clamped with the mounting groove, the left end of the monitoring rod extends into the inner cavity of the monitoring groove, a gap exists between the outer wall of the monitoring rod and the inner wall of the monitoring groove, and the right end of the monitoring rod extends out of the inner cavity of the fixed seat; the battery is arranged in the inner cavity of the monitoring rod; the first contact is arranged at the right end of the monitoring rod and is electrically connected with the battery anode; the rolling ball is inserted into the inner cavity of the mounting groove in a rolling way, the length of the rolling ball extending into the inner cavity of the mounting groove is larger than the radius of the rolling ball, and the outer end of the rolling ball is contacted with the inner wall of the monitoring groove; the third spring is sleeved on the outer wall of the monitoring rod, the left end of the third spring is clamped on the outer wall of the monitoring rod, and the right end of the third spring is clamped on the rear side of the inner cavity of the fixing seat.
Further, in order to give an alarm when the amplitude of the cylinder runout is excessive, the monitoring mechanism further includes: the support seat is arranged at the front end of the right side of the fixed seat, and the right end of the monitoring rod is positioned in the inner cavity of the support seat; the second contact is arranged on the right side of the inner cavity of the supporting seat, and the position of the second contact corresponds to the position of the first contact; the loudspeaker is arranged on the right side of the supporting seat, and the loudspeaker is electrically connected with the second contact; the warning light sets up in the right side of supporting seat, and warning light and speaker and battery negative pole are electric connection.
Further, the distance from the rear side of the locking block to the rear side of the inner cavity of the mounting seat is greater than the distance from the first locking piece to the chuck.
Compared with the prior art, the invention has the beneficial effects that:
(1) According to the invention, the switching disc is driven to rotate anticlockwise by 90 degrees by driving the rotary rod through the starting motor, so that the oil conveying pipe, the first conveying groove and the first oil pipe are communicated, and the second oil pipe, the second conveying groove and the second oil return pipe are communicated;
(2) According to the invention, hydraulic oil is stored through an oil tank, and the hydraulic cylinder is conveyed to an oil cylinder seat through an oil pump, an oil inlet pipe, an oil delivery pipe, a first conveying groove and a first oil pipe, so that the rotary oil cylinder body is driven to rotate;
(3) According to the invention, the switching disc is driven to rotate by 90 degrees by starting the motor to drive the rotary rod to enable the second oil pipe, the oil conveying pipe and the second conveying groove to be communicated, hydraulic oil in the oil tank is conveyed to the inner cavity of the piston cylinder through the oil inlet pipe, the oil conveying pipe, the second conveying groove and the second oil pipe by utilizing the oil pump, the piston head is driven by utilizing the pressure of the hydraulic oil to drive the piston rod and the second locking piece to move forwards, the second spring is extruded to elastically deform until the second locking piece is contacted with the chuck, the piston head is driven by the pressure of the hydraulic oil to move forwards by continuing to drive the piston rod and the second locking piece, the locking piece can be driven to move backwards by utilizing the cooperation between the piston rod and the chuck until the first locking piece is contacted with the chuck, and the rotary oil cylinder body can be locked by utilizing the cooperation between the first locking piece and the second locking piece;
(4) According to the invention, the monitoring rod is used for detecting the jumping amplitude of the rotary oil cylinder body, when the rotary oil cylinder body jumps, the inner wall of the monitoring groove can be used for pushing the monitoring rod to move rightwards, when the jumping amplitude of the rotary oil cylinder body is overlarge, the monitoring rod can be pushed to move rightwards until the first contact and the second contact are contacted, and a circuit is caused to be communicated, so that a loudspeaker and a warning lamp are caused to give an alarm;
(5) The device possesses self-locking function, can prevent effectively that the main shaft is unexpected rotatory when equipment stop work or hydraulic system lose power to improve the security of equipment, simultaneously, can make things convenient for operating personnel to maintain and operate equipment, and this device can monitor the amplitude of beating of cylinder body in real time, and then promotes the stability and the accuracy of equipment, improves product quality.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present invention.
Fig. 2 is an exploded view of the present invention.
Fig. 3 is a schematic structural view of the switching mechanism.
Fig. 4 is a top cross-sectional view of the conversion mechanism.
Fig. 5 is an exploded view of the switching mechanism.
Fig. 6 is a schematic structural view of the locking mechanism.
Fig. 7 is an exploded view of the locking mechanism.
Fig. 8 is a right side cross-sectional view of the piston cylinder.
Fig. 9 is a schematic structural view of the monitoring mechanism.
Fig. 10 is a front cross-sectional view of the monitor rod.
Fig. 11 is an enlarged view at a of fig. 1.
Fig. 12 is an enlarged view at B of fig. 1.
Fig. 13 is an enlarged view at C of fig. 7.
Fig. 14 is an enlarged view of D of fig. 9.
Fig. 15 is an enlarged view at E of fig. 9.
The list of components represented by the reference numerals in the figures is as follows: 1. an oil tank; 2. an oil pump; 3. an oil inlet pipe; 4. an oil delivery pipe; 5. a conversion mechanism; 51. a housing; 52. an oil delivery port; 53. a first oil outlet; 54. an oil return port; 55. a second oil outlet; 56. a rotating rod; 57. a switching plate; 58. a first conveying trough; 59. a second conveying trough; 510. a motor; 6. a first oil pipe; 7. an oil cylinder seat; 8. a locking mechanism; 81. a mounting base; 82. a guide rod; 83. a first spring; 84. a locking block; 85. a first locking piece; 86. a piston cylinder; 87. an oil inlet; 88. a piston head; 89. a piston rod; 810. a second spring; 811. a second locking piece; 9. a monitoring mechanism; 91. a fixing seat; 92. a monitoring rod; 93. a mounting groove; 94. a battery; 95. a first contact; 96. a rolling ball; 97. a third spring; 98. a support base; 99. a second contact; 910. a speaker; 911. a warning light; 10. a rotary cylinder body; 11. a chuck; 12. a first oil return pipe; 13. a second oil return pipe; 14. a second oil pipe; 15. and monitoring the groove.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 15, a rotary cylinder having a position self-locking function includes: the oil tank 1, the oil pump 2, the oil inlet pipe 3, the oil delivery pipe 4, the switching mechanism 5, the first oil pipe 6, the oil cylinder seat 7, the locking mechanism 8, the monitoring mechanism 9, the rotary oil cylinder body 10, the chuck 11, the first oil return pipe 12, the second oil return pipe 13, the second oil pipe 14 and the monitoring groove 15, the oil pump 2 is connected to the top end of the oil tank 1 through screws, the oil pump 2 is the prior art, the oil pump 2 is used for pumping out the hydraulic oil stored in the oil tank 1, one end of the oil inlet pipe 3 is arranged in the inner cavity of the oil tank 1, the other end of the oil inlet pipe 3 is connected with the oil pump 2, one end of the oil delivery pipe 4 is connected with the oil pump 2, the switching mechanism 5 is arranged at the top end of the oil tank 1, the other end of the oil delivery pipe 4 is connected with the switching mechanism 5, one end of the first oil pipe 6 is connected with the switching mechanism 5, the oil cylinder seat 7 is connected with the other end of the first oil pipe 6, the oil cylinder seat 7 is in the prior art, which is not excessively repeated here, the oil cylinder seat 7 is fixedly connected to the bracket, the rotary oil cylinder body 10 is rotatably arranged at the front side of the oil cylinder seat 7, the rotary oil cylinder body 10 is in the prior art, which is excessively repeated here, when the oil cylinder seat 7 is filled with hydraulic oil, the rotary oil cylinder body 10 can rotate along with the main shaft, the chuck 11 is arranged at the rear side of the outer wall of the rotary oil cylinder body 10, the outer wall of the chuck 11 is provided with a monitoring groove 15 along the circumferential direction, the rotary oil cylinder body 10 can be locked by locking the chuck 11, the locking mechanism 8 is arranged at the front side of the top end of the outer wall of the oil cylinder seat 7, the locking mechanism 8 is used for locking the chuck 11, the monitoring mechanism 9 is arranged at the front right side of the outer wall of the oil cylinder seat 7, the monitoring mechanism 9 is used for monitoring the jumping amplitude of the rotary oil cylinder body 10, one end of the first oil return pipe 12 is connected with the oil cylinder seat 7, the other end of the first oil return pipe 12 extends into the inner cavity of the oil tank 1, one end of the second oil return pipe 13 is connected with the switching mechanism 5, the other end of the second oil return pipe 13 extends into the inner cavity of the oil tank 1, one end of the second oil pipe 14 is connected with the locking mechanism 8, and the other end of the second oil pipe 14 is connected with the switching mechanism 5.
Specifically, the switching mechanism 5 includes: the oil delivery port 52 communicated with the inner cavity of the oil tank 1 is arranged at the left side of the shell 51, the first oil outlet 53 communicated with the inner cavity of the shell 51 is arranged at the rear side of the shell 51, the oil return port 54 communicated with the inner cavity of the shell 51 is arranged at the right side of the shell 51, the second oil outlet 55 communicated with the inner cavity of the shell 51 is arranged at the front side of the shell 51, the other end of the oil delivery pipe 4 is arranged in the inner cavity of the oil delivery port 52, one end of the first oil pipe 6 is arranged in the inner cavity of the first oil outlet 53, one end of the second oil return pipe 13 is arranged in the inner cavity of the oil return port 54, the other end of the second oil pipe 14 is arranged in the inner cavity of the second oil outlet 55, the bottom end of the rotating rod 56 is rotatably arranged in the middle of the bottom end of the inner cavity of the shell 51 through a bearing, the top end of the rotating rod 56 extends out of the top end of the shell 51, the rotating rod 56 is used for driving the switching disc 57 to rotate, the switching disc 57 is fixedly sleeved on the outer wall of the rotating rod 56, the switching disc 57 is completely matched with the inner cavity of the shell 51, the switching disc 57 is provided with a first conveying groove 58 which is communicated with a first oil outlet 53 and an oil return port 54, the switching disc 57 is provided with a second conveying groove 59 which is communicated with an oil conveying port 52 and a second oil outlet 55, ninety degrees of rotation of the switching disc 57 can change the communication relation of pipelines, a motor 510 is connected in the middle of the top end of the shell 51 through a coupler, the top end of the rotating rod 56 is locked at the output end of the motor 510, the motor 510 is a servo motor 510, the motor 510 is connected with a servo controller, the motor 510 is used here to drive the switching disk 57 by means of the rotary lever 56 through a 90 degree rotation.
Specifically, the lock mechanism 8 includes: the installation seat 81, the guide rods 82, the first spring 83, the locking block 84, the first locking piece 85, the piston cylinder 86, the oil inlet 87, the piston head 88, the piston rod 89, the second spring 810 and the second locking piece 811, the installation seat 81 is arranged at the front side of the top end of the outer wall of the cylinder seat 7, the installation seat 81 is used for fixing the device, the number of the guide rods 82 is two, the front end and the rear end of the two guide rods 82 are respectively arranged at the left end and the right end of the inner cavity of the installation seat 81, the guide rods 82 are used for supporting the locking block 84, the first spring 83 is sheathed on the outer wall of the guide rods 82, the rear end of the first spring 83 is clamped in the inner cavity of the installation seat 81, the first spring 83 is a rotary spring, elastic deformation occurs after the extrusion or the stretching of the external force is received, the external force is removed, the first spring 83 is used for pushing the locking block 84 to recover to the initial position, the locking block 84 is sheathed on the front side of the outer wall of the guide rods 82 in a sliding way, the front end of a spring 83 is clamped at the rear side of a locking block 84, the top end of the outer wall of a chuck 11 is positioned in an inner cavity of the locking block 84, the locking block 84 is used for driving a first locking piece 85 to move, the first locking piece 85 is arranged at the bottom end of the front side of the inner cavity of the locking block 84, the position of the first locking piece 85 corresponds to that of the chuck 11, the rotary cylinder body 10 can be locked by the chuck 11 through friction force between the first locking piece 85 and the chuck 11, the distance from the rear side of the locking piece 84 to the rear side of the inner cavity of a mounting seat 81 is larger than the distance from the first locking piece 85 to the chuck 11, the first locking piece 85 can be ensured to be in contact with the chuck 11, the outer wall of a piston cylinder 86 is fixedly arranged at the rear side of the inner cavity of the locking block 84, the rear side of the outer wall of the piston cylinder 86 can slide out of the rear side of the mounting seat 81, an oil inlet 87 is formed in the rear side of the piston cylinder 86, the piston head 88 is slidably matched and inserted into the inner cavity of the piston cylinder 86, the rear end of the piston rod 89 is arranged in the middle of the front side of the piston head 88, the front end of the piston rod 89 extends out of the front side of the piston cylinder 86, the second spring 810 is sleeved on the outer wall of the piston rod 89, the rear end of the second spring 810 is clamped on the front side of the piston head 88, the front end of the second spring 810 is clamped on the front side of the inner cavity of the piston cylinder 86, the second spring 810 is a rotary spring and is elastically deformed after being extruded or stretched by external force, the external force is removed and then returns to an initial state, the second spring 810 is used for pushing the piston rod 89 to return to an initial position, the second locking piece 811 is arranged at the front end of the piston rod 89, the position of the second locking piece 811 corresponds to the position of the first locking piece 85, and the second locking piece 811 and the first locking piece 85 can be matched with each other to clamp and fix the chuck 11.
Specifically, the monitoring mechanism 9 includes: the fixed seat 91, the monitoring rod 92, the mounting groove 93, the battery 94, the first contact 95, the rolling ball 96, the third spring 97, the supporting seat 98, the second contact 99, the loudspeaker 910 and the warning lamp 911, the fixed seat 91 is arranged at the front end of the right side of the outer wall of the cylinder seat 7, the fixed seat 91 is used for supporting the monitoring rod 92, the monitoring rod 92 is slidably and adaptively inserted into the inner cavity of the fixed seat 91, the mounting groove 93 is clamped at the left end of the monitoring rod 92, the left end of the monitoring rod 92 extends into the inner cavity of the monitoring groove 15, a gap exists between the outer wall of the monitoring rod 92 and the inner wall of the monitoring groove 15, the right end of the monitoring rod 92 extends out of the inner cavity of the fixed seat 91, the jumping amplitude of the rotary cylinder body 10 can be detected through the monitoring rod 92, the battery 94 is arranged in the inner cavity of the monitoring rod 92, the battery 94 is the prior art and is not repeated herein, the battery 94 is used for supplying power to the loudspeaker 910 and the warning lamp 911, the first contact 95 is arranged at the right end of the monitoring rod 92, the first contact 95 is electrically connected with the anode of the battery 94, the rolling ball 96 is in rolling fit and inserted into the inner cavity of the mounting groove 93, the length of the rolling ball 96 extending into the inner cavity of the mounting groove 93 is larger than the radius of the rolling ball 96, the outer end of the rolling ball 96 is contacted with the inner wall of the monitoring groove 15, the rolling ball 96 can reduce friction force between the inner cavity of the monitoring groove 15, the third spring 97 is sleeved on the outer wall of the monitoring rod 92, the left end of the third spring 97 is clamped on the outer wall of the monitoring rod 92, the right end of the third spring 97 is clamped on the rear side of the inner cavity of the fixing seat 91, the third spring 97 is a rotary spring and is elastically deformed after being extruded or stretched by external force, the external force is removed and returns to an initial state, the third spring 97 is used for pushing the monitoring rod 92 to return to an initial position, the supporting seat 98 is arranged at the front end of the right side of the fixing seat 91, the right end of the monitoring rod 92 is located in the inner cavity of the supporting seat 98, the second contact 99 is disposed on the right side of the inner cavity of the supporting seat 98, the position of the second contact 99 corresponds to the position of the first contact 95, the speaker 910 is disposed on the right side of the supporting seat 98, the speaker 910 and the second contact 99 are electrically connected, the speaker 910 is the prior art, the warning lamp 911 is disposed on the right side of the supporting seat 98 and is electrically connected with the speaker 910 and the negative electrode of the battery 94, and the warning lamp 911 is the prior art and is not repeated herein.
In the invention, when in use, a proper amount of hydraulic oil is filled in the oil tank 1, the motor 510 is started, the output end of the motor 510 drives the conversion disc 57 to rotate anticlockwise by 90 degrees through the rotary rod 56, and then the conversion disc 57 rotates anticlockwise by 90 degrees to enable the oil delivery port 52, the first oil outlet 53 and the inner cavity of the first delivery groove 58 to be communicated, and further enable the inner cavity of the oil delivery pipe 4 to be communicated with the inner cavity of the first oil pipe 6, at the moment, the second oil return pipe 13, the second delivery groove 59 and the inner cavity of the second oil pipe 14 are communicated, the oil pump 2 is started, the hydraulic oil in the inner cavity of the oil tank 1 is pumped out by the oil pump 2 through the oil delivery pipe 3, and is delivered into the inner cavity of the oil cylinder seat 7 through the oil delivery pipe 4, the first delivery groove 58 and the first oil pipe 6, and further enable the rotary oil cylinder body 10 to rotate, when the work is required to be stopped, the motor 510 is started, the output end of the motor 510 drives the switching disc 57 to rotate clockwise by 90 degrees through the rotary rod 56, so that the switching disc 57 is promoted to return to the initial position, at this time, the inner cavity of the oil delivery pipe 4 is communicated with the inner cavity of the second oil pipe 14, the inner cavity of the first oil pipe 6 is communicated with the inner cavity of the second oil return pipe 13, the oil cylinder seat 7 loses the supply of hydraulic oil, and the residual hydraulic oil in the inner cavity of the oil cylinder seat 7 flows back to the inner cavity of the oil tank 1 through the first oil return pipe 12, meanwhile, the oil pump 2 pumps the hydraulic oil in the oil tank 1 out and conveys the hydraulic oil into the inner cavity of the second oil pipe 14, and conveys the hydraulic oil into the inner cavity of the piston cylinder 86 through the second oil pipe 14, along with the conveying of the hydraulic oil, the pressure between the rear side of the inner cavity of the piston cylinder 86 and the rear side of the piston head 88 is promoted to be increased, the piston head 88 is pushed to move forward under the pressure of the hydraulic oil, and the second locking piece 811 is extruded, and the second spring 810 is elastically deformed, until the second locking piece 811 contacts the chuck 11, the piston rod 89 continues to drive the second locking piece 811 to move forward, the piston rod 89 can be used to push the locking piece 84 to move backward and press the first spring 83 to elastically deform until the locking piece 84 drives the first locking piece 85 to contact the chuck 11, so as to clamp and position the chuck 11, thereby locking the rotary cylinder body 10, when the rotary cylinder body 10 is needed to work for the next time, the motor 510 is started, the output end of the motor 510 drives the conversion disc 57 to rotate anticlockwise 90 degrees through the rotary rod 56, the oil delivery pipe 4 is communicated with the first oil pipe 6, the second oil return pipe 13 is communicated with the second oil pipe 14, hydraulic oil is delivered to the inner cavity of the cylinder seat 7 by the oil pump 2, meanwhile, the hydraulic oil in the inner cavity of the piston cylinder 86 is pushed out of the inner cavity of the piston cylinder 86 under the elastic force of the first spring 83 and the second spring 810, and the inner cavity of the oil return tank 1 is conveyed along the second oil pipe 14, the second conveying groove 59 and the second oil return pipe 13, when the rotary oil cylinder body 10 works, the fluctuation amplitude of the rotary oil cylinder body 10 can be monitored by utilizing the monitoring rod 92, when the rotary oil cylinder body 10 jumps, the monitoring rod 92 can be extruded to move outwards, the third spring 97 is extruded to elastically deform, when the fluctuation amplitude of the rotary oil cylinder body 10 is overlarge, the right end of the monitoring rod 92 can be extruded to contact with the left side of the inner cavity of the supporting seat 98, the first contact 95 and the second contact 99 are further caused to contact, the circuit is caused to communicate, the loudspeaker 910 and the warning lamp 911 start working, and an alarm is sent to remind a worker, the device has a self-locking function, the unexpected rotation of a main shaft can be effectively prevented when the equipment stops working or a hydraulic system loses power, thereby improving the safety of the equipment, meanwhile, the device can facilitate maintenance and operation of equipment by operators, monitor the jumping amplitude of the cylinder body in real time, and further improve the stability and accuracy of the equipment and the quality of products.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.

Claims (4)

1. The utility model provides a gyration hydro-cylinder with position self-locking function which characterized in that includes:
an oil tank (1);
the oil pump (2) is connected to the top end of the oil tank (1) through screws;
the oil inlet pipe (3), one end of the oil inlet pipe (3) is arranged in the inner cavity of the oil tank (1), and the other end of the oil inlet pipe (3) is connected with the oil pump (2);
the oil delivery pipe (4), one end of the oil delivery pipe (4) is connected with the oil pump (2);
the conversion mechanism (5) is arranged at the top end of the oil tank (1), and the other end of the oil delivery pipe (4) is connected with the conversion mechanism (5);
the first oil pipe (6), one end of the first oil pipe (6) is connected with the conversion mechanism (5);
the oil cylinder seat (7), the said oil cylinder seat (7) couples to another end of the first oil pipe (6);
the rotary oil cylinder body (10) is rotatably arranged at the front side of the oil cylinder seat (7);
the chuck (11), the chuck (11) is arranged at the rear side of the outer wall of the rotary oil cylinder body (10), and a monitoring groove (15) is formed in the outer wall of the chuck (11) along the circumferential direction;
the locking mechanism (8) is arranged at the front side of the top end of the outer wall of the oil cylinder seat (7);
the monitoring mechanism (9) is arranged at the front end of the right side of the outer wall of the oil cylinder seat (7);
one end of the first oil return pipe (12) is connected with the oil cylinder seat (7), and the other end of the first oil return pipe (12) extends into the inner cavity of the oil inlet box (1);
one end of the second oil return pipe (13) is connected with the conversion mechanism (5), and the other end of the second oil return pipe (13) extends into the inner cavity of the oil tank (1);
one end of the second oil pipe (14) is connected with the locking mechanism (8), and the other end of the second oil pipe (14) is connected with the conversion mechanism (5);
the locking mechanism (8) comprises:
the mounting seat (81) is arranged at the front side of the top end of the outer wall of the oil cylinder seat (7);
the number of the guide rods (82) is two, and the front and rear ends of the two guide rods (82) are respectively arranged at the left and right ends of the front and rear sides of the inner cavity of the mounting seat (81);
the first spring (83), the first spring (83) is sleeved on the outer wall of the guide rod (82), and the rear end of the first spring (83) is clamped in the inner cavity of the mounting seat (81);
the locking block (84), the said locking block (84) is slidably sleeved on the front side of the outer wall of the guide rod (82), the front end of a spring (83) of Hu Di is clamped on the rear side of the locking block (84), the top end of the outer wall of the said chuck (11) locates in inner cavity of the locking block (84);
the first locking piece (85) is arranged at the bottom end of the front side of the inner cavity of the locking piece (84), the position of the first locking piece (85) corresponds to the position of the chuck (11), and the distance from the rear side of the locking piece (84) to the rear side of the inner cavity of the mounting seat (81) is larger than the distance from the first locking piece (85) to the chuck (11);
the locking mechanism (8) further comprises:
the outer wall of the piston cylinder (86) is fixedly arranged at the rear side of the inner cavity of the locking block (84), the rear side of the outer wall of the piston cylinder (86) slidably extends out of the rear side of the mounting seat (81), and the rear side of the piston cylinder (86) is provided with an oil inlet (87);
the piston head (88) is slidably and adaptively inserted into the inner cavity of the piston cylinder (86);
the rear end of the piston rod (89) is arranged in the middle of the front side of the piston head (88), and the front end of the piston rod (89) extends out of the front side of the piston cylinder (86);
the second spring (810) is sleeved on the outer wall of the piston rod (89), the rear end of the second spring (810) is clamped on the front side of the piston head (88), and the front end of the second spring (810) is clamped on the front side of the inner cavity of the piston cylinder (86);
and a second locking piece (811), the second locking piece (811) being provided at the front end of the piston rod (89), the position of the second locking piece (811) corresponding to the position of the first locking piece (85).
2. The rotary cylinder with a position self-locking function according to claim 1, wherein: the switching mechanism (5) comprises:
the oil return device comprises a shell (51), wherein the shell (51) is arranged at the top end of an oil tank (1), an oil delivery port (52) communicated with an inner cavity of the shell (51) is formed in the left side of the shell (51), a first oil outlet (53) communicated with the inner cavity of the shell (51) is formed in the rear side of the shell (51), an oil return port (54) communicated with the inner cavity of the shell (51) is formed in the right side of the shell (51), a second oil outlet (55) communicated with the inner cavity of the shell (51) is formed in the front side of the shell (51), the other end of an oil delivery pipe (4) is arranged in the inner cavity of the oil delivery port (52), one end of a first oil pipe (6) is arranged in the inner cavity of the first oil outlet (53), one end of a second oil return pipe (13) is arranged in the inner cavity of the oil return port (54), and the other end of the second oil pipe (14) is arranged in the inner cavity of the second oil outlet (55).
The bottom end of the rotating rod (56) is rotatably arranged in the middle of the bottom end of the inner cavity of the shell (51) through a bearing, and the top end of the rotating rod (56) extends out of the top end of the shell (51);
the switching disc (57), the outer wall of rotary rod (56) is cup jointed in fixed to switching disc (57), switching disc (57) and the inner chamber of shell (51) are matched completely, switching disc (57) are offered first conveyer trough (58) that communicate first oil-out (53) and oil return opening (54), switching disc (57) are offered second conveyer trough (59) that communicate oil-out (52) and second oil-out (55);
the motor (510), motor (510) screw connection is in the top middle part of shell (51), the top of rotary rod (56) passes through the shaft coupling locking at the output of motor (510).
3. The rotary cylinder with a position self-locking function according to claim 2, wherein: the monitoring mechanism (9) comprises:
the fixed seat (91) is arranged at the front end of the right side of the outer wall of the oil cylinder seat (7);
the monitoring rod (92), the slidable looks adaptation grafting of monitoring rod (92) is in the inner chamber of fixing base (91), the left end card of monitoring rod (92) is equipped with mounting groove (93), the left end of monitoring rod (92) extends into the inner chamber of monitoring groove (15), and has the clearance between the outer wall of monitoring rod (92) and the inner wall of monitoring groove (15), the inner chamber of fixing base (91) is extended to the right-hand member of monitoring rod (92);
a battery (94), the battery (94) being disposed in an interior cavity of the monitoring rod (92);
the first contact (95) is arranged at the right end of the monitoring rod (92), and the first contact (95) is electrically connected with the anode of the battery (94);
the rolling ball (96) is inserted into the inner cavity of the mounting groove (93) in a rolling way, the length of the rolling ball (96) extending into the inner cavity of the mounting groove (93) is larger than the radius of the rolling ball, and the outer end of the rolling ball (96) is contacted with the inner wall of the monitoring groove (15);
the third spring (97), third spring (97) cup joints in the outer wall of monitor rod (92), the left end joint of third spring (97) is in the outer wall of monitor rod (92), the right-hand member joint of third spring (97) is in the inner chamber rear side of fixing base (91).
4. A rotary cylinder with position self-locking function according to claim 3, characterized in that: the monitoring mechanism (9) further comprises:
the support seat (98), the support seat (98) is arranged at the front end of the right side of the fixed seat (91), and the right end of the monitoring rod (92) is positioned in the inner cavity of the support seat (98);
the second contact (99) is arranged on the right side of the inner cavity of the supporting seat (98), and the position of the second contact (99) corresponds to the position of the first contact (95);
the loudspeaker (910) is arranged on the right side of the supporting seat (98), and the loudspeaker (910) is electrically connected with the second contact (99);
the warning lamp (911), warning lamp (911) set up in the right side of supporting seat (98), warning lamp (911) are electric connection with speaker (910) and battery (94) negative pole.
CN202311152383.XA 2023-09-08 2023-09-08 Rotary oil cylinder with position self-locking function Active CN116892547B (en)

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Application Number Priority Date Filing Date Title
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CN116892547B true CN116892547B (en) 2023-12-08

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0077457A2 (en) * 1981-10-17 1983-04-27 Paul Forkardt GmbH & Co. KG Rotary cylinder
US4523632A (en) * 1979-04-26 1985-06-18 Kitagawa Iron Works Co. Ltd. Cooling system of rotary fluid pressure cylinder for chucking in machine tools
CN101545505A (en) * 2009-04-30 2009-09-30 江苏无锡建华机床附件集团有限公司 Short-stroke rotary cylinder
CN209458213U (en) * 2018-02-07 2019-10-01 东莞市六欣机械有限公司 A kind of angling cylinder of high abrasion
CN217381088U (en) * 2022-02-23 2022-09-06 昆山奈维机械有限公司 A rotary oil cylinder with quick chuck

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4523632A (en) * 1979-04-26 1985-06-18 Kitagawa Iron Works Co. Ltd. Cooling system of rotary fluid pressure cylinder for chucking in machine tools
EP0077457A2 (en) * 1981-10-17 1983-04-27 Paul Forkardt GmbH & Co. KG Rotary cylinder
CN101545505A (en) * 2009-04-30 2009-09-30 江苏无锡建华机床附件集团有限公司 Short-stroke rotary cylinder
CN209458213U (en) * 2018-02-07 2019-10-01 东莞市六欣机械有限公司 A kind of angling cylinder of high abrasion
CN217381088U (en) * 2022-02-23 2022-09-06 昆山奈维机械有限公司 A rotary oil cylinder with quick chuck

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