CN114810719A - L-shaped oil cylinder for hydraulic shears - Google Patents
L-shaped oil cylinder for hydraulic shears Download PDFInfo
- Publication number
- CN114810719A CN114810719A CN202210601881.7A CN202210601881A CN114810719A CN 114810719 A CN114810719 A CN 114810719A CN 202210601881 A CN202210601881 A CN 202210601881A CN 114810719 A CN114810719 A CN 114810719A
- Authority
- CN
- China
- Prior art keywords
- end cover
- cylinder body
- cylinder
- rear end
- permanent magnet
- 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
Links
- 239000003921 oil Substances 0.000 claims abstract description 46
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 35
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 238000010438 heat treatment Methods 0.000 claims abstract description 17
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims description 18
- 238000005485 electric heating Methods 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 11
- 230000033001 locomotion Effects 0.000 claims description 9
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 4
- SBYXRAKIOMOBFF-UHFFFAOYSA-N copper tungsten Chemical compound [Cu].[W] SBYXRAKIOMOBFF-UHFFFAOYSA-N 0.000 claims description 4
- 230000009471 action Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000010008 shearing Methods 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- 238000009749 continuous casting Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000002679 ablation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010205 computational analysis Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
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
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
-
- 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
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1428—Cylinders
-
- 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
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1485—Special measures for cooling or heating
-
- 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
-
- 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
- F15B15/22—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke
- F15B15/226—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke having elastic elements, e.g. springs, rubber pads
-
- 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
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/042—Controlling the temperature of the fluid
- F15B21/0427—Heating
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Actuator (AREA)
Abstract
The invention relates to the technical field of billet production equipment, in particular to an L-shaped oil cylinder for hydraulic shears, which comprises a movable frame, a fixed frame fixedly arranged at the bottom of the movable frame, a front end cover and a rear end cover fixedly arranged on the inner side of the fixed frame, and a second cylinder body fixedly arranged between the front end cover and the rear end cover, wherein a first cylinder body is fixedly arranged between the front end cover and the rear end cover, a first oil inlet is formed in the front end cover, and a second oil inlet is formed in the rear end cover. According to the invention, the driving mechanism is arranged, the telescopic rod and the first spring are extruded to contract under the action of the repulsive force of the first permanent magnet and the second permanent magnet, the piston rod continues to move, the positions of the first permanent magnet and the second permanent magnet are staggered, the telescopic rod extends again under the action of the elastic force of the first spring, and if the piston rod moves back and forth, the hydraulic oil in the second cylinder body is stirred by the telescopic rod at any time, so that the heating efficiency of heat in the hydraulic oil is enhanced, and the heat is fully diffused in the hydraulic oil.
Description
Technical Field
The invention relates to the technical field of billet production equipment, in particular to an L-shaped oil cylinder for hydraulic shears.
Background
At present, in the field of metal plate manufacturing, hydraulic shears are often adopted to cut manufactured metal plates, and continuous casting machine billet hydraulic shears are equipment for quickly cutting ends when a continuous casting machine continuously pours, are higher in efficiency and stability than traditional flame shears, and are widely applied.
The hydraulic shear comprises a base, a main arm and a hydraulic cylinder, wherein the main arm is driven by the hydraulic cylinder to rotate around a main shaft, so that a tool bit positioned at the front end of the main arm moves up and down to cut off a plate placed on a shearing table.
Novel integral blade holder is through the computational analysis to whole shearing process, adopts specific dimensions's L type to be connected the design with the hydro-cylinder to the blade holder, and the stability of connecting when high impact is connected with its assurance hydro-cylinder that the connection of L type can be better with the blade holder. The stress stability in the shearing process is increased. Meanwhile, the novel structure is simpler than the traditional tool apron, the strength is better, the service life of the oil cylinder can be greatly prolonged, and the quality of the cut section of the billet can be better.
The hydraulic cylinder is a hydraulic actuating element which converts hydraulic energy into mechanical energy and makes linear reciprocating motion or swinging motion. When it is used to implement reciprocating motion, it can omit speed-reducing device, and has no transmission gap, and its motion is stable, so that it can be extensively used in various mechanical hydraulic systems.
However, when the oil cylinder is in an environment of-20 ℃ to-60 ℃, hydraulic oil in the hydraulic cylinder is solidified, particularly in winter, in Heilongjiang in northern areas and cities around the Heilongjiang, the normal work of parts in the oil cylinder is influenced by low temperature, and the service life of the oil cylinder is shortened; when the hydraulic cylinder operates to the stroke end point, the hydraulic cylinder has larger kinetic energy, if the speed reduction processing is not carried out, the piston piece of the hydraulic cylinder and the shell generate mechanical equipment impact, so that impact, noise and destructiveness are caused.
Therefore, an L-shaped oil cylinder for hydraulic shears is provided.
Disclosure of Invention
In order to overcome the above defects in the prior art, an embodiment of the present invention provides an L-shaped cylinder for hydraulic shears, and the technical problem to be solved by the present invention is: 1. the hydraulic oil in the hydraulic cylinder is solidified under the low-temperature condition, so that the normal work of the hydraulic cylinder is influenced;
2. the hydraulic cylinder has larger kinetic energy when running to the stroke end, and if the speed is not reduced, the piston part of the hydraulic cylinder is collided with the shell, so that the hydraulic cylinder is damaged.
In order to achieve the purpose, the invention provides the following technical scheme: an L-shaped oil cylinder for hydraulic shears comprises a movable frame, a fixed frame fixedly arranged at the bottom of the movable frame, a front end cover, a rear end cover and a second cylinder body, wherein the front end cover and the rear end cover are fixedly arranged on the inner side of the fixed frame;
the second cylinder body is sleeved with an electric heating wire, one end of the electric heating wire is fixedly connected with a lead, and the other end of the lead is electrically connected with a power supply;
actuating mechanism includes a plurality of telescopic links of fixed mounting on the piston rod, and is a plurality of the equal fixed mounting of the flexible end of telescopic link has first permanent magnet, and is a plurality of first spring has all been cup jointed on the telescopic link, fixed connection is on piston rod and first permanent magnet respectively at the both ends of first spring, fixed mounting has a plurality of second permanent magnets on the inner wall of second cylinder body, and first permanent magnet and second permanent magnet are magnet at the same level.
In a preferred embodiment, slidable mounting has first current conducting plate on the lateral wall of second cylinder body, fixed mounting has the second current conducting plate on the second cylinder body, fixed mounting has the conducting rod on the lateral wall of second current conducting plate, the insulating layer is scribbled to the other end of conducting rod, the other end of conducting rod is inserted and is established and slidable mounting in the inside of first current conducting plate, the cover has the memory alloy spring on the second cylinder body, and the both ends of memory alloy spring fixed connection respectively on the lateral wall of first current conducting plate and second current conducting plate, pass through electric wire and power electric connection between first current conducting plate, second current conducting plate and the heating wire.
In a preferred embodiment, be equipped with the reduction gears who is used for reducing piston speed on the inner wall of rear end cover, reduction gears is including offering a plurality of recesses on the inner wall of rear end cover, and is a plurality of the equal fixed mounting in inside of recess has the dead lever, slidable mounting has the slider that two symmetries set up on the dead lever, cup jointed the second spring that two symmetries set up on the dead lever, every fixed connection is on the lateral wall and the slider of recess respectively at the both ends of second spring, two all articulated on the lateral wall of slider have the connecting rod, the other end of connecting rod articulates there is the connecting plate, the other end fixed mounting of connecting plate has the fly leaf, fixed mounting has the gasket on the lateral wall of fly leaf.
In a preferred embodiment, a plurality of the telescopic rods are installed on the piston rod in an interlaced mode, a plurality of the second permanent magnets are installed on the inner wall of the second cylinder in an interlaced mode, and the telescopic rods and the second permanent magnets are arranged oppositely.
In a preferred embodiment, each movable plate is arranged at the gap of the moving tracks of the two telescopic rods, and the movable plates do not touch any component during the moving process.
In a preferred embodiment, the material of the second cylinder body is tungsten copper alloy, and the material of the gasket is UPE plastic.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention is provided with the driving mechanism, when working, a worker starts the main switch, drives the fixed frame and the oil cylinder to integrally move to a proper position through the movable frame, sequentially starts the electric heating wire switch and the oil cylinder switch, generates heat after current passes through the electric heating wire, the heat is diffused into hydraulic oil in the electric heating wire through the second cylinder body to heat the hydraulic oil, reduces the solidification degree of the hydraulic oil, external hydraulic oil enters the first cylinder body from the first oil inlet through the oil guide port, the hydraulic oil pushes the piston and the piston rod to move, the telescopic rod on the piston rod passes through the position of the second permanent magnet in the moving process, the telescopic rod and the first spring are extruded under the repulsive force of the first permanent magnet and the second permanent magnet to shrink, the piston rod continues to move, the positions of the first permanent magnet and the second permanent magnet are staggered, and the telescopic rod extends again under the elastic force of the first spring, if the reciprocating motion is carried out, the hydraulic oil in the second cylinder body is stirred by the telescopic rod at all times, the heating efficiency of heat in the hydraulic oil is improved, and the heat is fully diffused in the hydraulic oil.
2. The invention is provided with a first current-conducting plate, a second current-conducting plate, a memory alloy spring and other mechanisms, wherein the first current-conducting plate is initially contacted with the current-conducting part of the current-conducting rod, when the temperature between the first cylinder body and the second cylinder body is higher, the memory alloy spring is instantly contracted under the influence of the temperature, the first current-conducting plate is pulled to move towards the direction close to the second current-conducting plate under the tension action of the memory alloy spring, at the moment, the first current-conducting plate is contacted with the insulating layer on the current-conducting rod, so that the circuit where the electric heating wire is positioned is powered off, the electric heating wire is not heated again, when the temperature between the first cylinder body and the second cylinder body is reduced, the first current-conducting plate is pushed back to the original position under the elastic force action of the memory alloy spring, the electric heating wire is heated again, the control on whether the electric heating wire works is realized, and the hydraulic oil is prevented from losing the original activity due to overhigh temperature.
3. According to the invention, through the arrangement of the groove, the connecting rod, the gasket and other mechanisms, when the piston moves towards the direction close to the rear end cover and the piston moves to the end point, the gasket and the movable plate are extruded by the piston to move, the movable plate drives the connecting rod to deflect, the two connecting rods respectively drive the two sliding blocks to move towards the two inner walls of the groove on the fixed rod, the second spring is extruded by the sliding blocks to contract, and after the piston is static, the second spring generates reaction force on the sliding blocks to finally support the movable plate, in the process, the moving speed of the piston is gradually reduced, and the collision between the piston and the rear end cover is separated by the speed reducing mechanism, so that the protection of the piston and the internal components in the first cylinder is realized.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a perspective view of the first cylinder of the present invention;
FIG. 3 is a cross-sectional view of the second cylinder block of the present invention;
FIG. 4 is an elevation view of the second cylinder block of the present invention;
FIG. 5 is a front cross-sectional view of FIG. 2 of the present invention;
FIG. 6 is a side cross-sectional view of the second cylinder block of the present invention;
FIG. 7 is an enlarged view of the drive mechanism of the present invention;
fig. 8 is an enlarged view of the speed reducing mechanism of the present invention.
In the figure: 1. a movable frame; 2. a fixed mount; 31. a front end cover; 32. a first cylinder; 33. a second cylinder; 34. a rear end cap; 35. a first oil inlet; 36. a second oil inlet; 37. a piston; 38. a piston rod; 39. an oil guide port; 4. a drive mechanism; 41. an electric heating wire; 42. a wire; 43. a telescopic rod; 44. a first spring; 45. a first permanent magnet; 46. a second permanent magnet; 51. a first conductive plate; 52. a second conductive plate; 53. a conductive rod; 54. an insulating layer; 55. a memory alloy spring; 6. a speed reduction mechanism; 61. a groove; 62. fixing the rod; 63. a second spring; 64. a slider; 65. a connecting rod; 66. a connecting plate; 67. a movable plate; 68. and (7) a gasket.
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. 1-7, the invention provides an L-shaped oil cylinder for hydraulic shears, which comprises a movable frame 1, a fixed frame 2 fixedly installed at the bottom of the movable frame 1, a front end cover 31 and a rear end cover 34 fixedly installed at the inner side of the fixed frame 2, and a second cylinder body 33 fixedly installed between the front end cover 31 and the rear end cover 34, wherein a first cylinder body 32 is fixedly installed between the front end cover 31 and the rear end cover 34, a first oil inlet 35 is formed in the front end cover 31, a second oil inlet 36 is formed in the rear end cover 34, oil guide ports 39 are formed in the side walls of the front end cover 31 and the rear end cover 34, the first oil inlet 35, the second oil inlet 36 and the inner cavity of the second cylinder body 33 are communicated through the oil guide ports 39, a piston 37 is slidably installed inside the second cylinder body 33, a piston rod 38 is fixedly installed in the middle of the piston 37, and the other end of the piston rod 38 penetrates through the rear end cover 34 and extends to the outside thereof, the inside of the second cylinder 33 is provided with a driving mechanism 4 for increasing the motion state of the hydraulic oil;
the second cylinder 33 is sleeved with a heating wire 41, one end of the heating wire 41 is fixedly connected with a lead 42, and the other end of the lead 42 is electrically connected with a power supply;
Compared with the prior art, the invention is provided with the driving mechanism 4, when in work, after a worker starts a main switch, the movable frame 1 drives the fixed frame 2 and the oil cylinder to integrally move to a proper position, the switch of the electric heating wire 41 and the switch of the oil cylinder are sequentially started, the heat is generated after the current passes through the electric heating wire 41, the heat is diffused into the hydraulic oil in the second cylinder body 33 through the second cylinder body 33 to heat the hydraulic oil, the solidification degree of the hydraulic oil is reduced, the external hydraulic oil enters the first cylinder body 32 from the first oil inlet 35 through the oil guide port 39, the hydraulic oil pushes the piston 37 and the piston rod 38 to move, the telescopic rod 43 on the piston rod 38 passes through the position of the second permanent magnet 46 in the moving process, the telescopic rod 43 and the first spring 44 are extruded to shrink under the repulsive force of the first permanent magnet 45 and the second permanent magnet 46, the piston rod 38 continues to move, the positions of the first permanent magnet 45 and the second permanent magnet 46 are staggered, the telescopic rod 43 extends again under the action of the elastic force of the first spring 44, if the telescopic rod 43 moves back and forth, the hydraulic oil in the second cylinder 33 is stirred by the telescopic rod 43 at any time, the heating efficiency of heat in the hydraulic oil is enhanced, and the heat is fully diffused in the hydraulic oil;
after the work is finished, the external hydraulic oil enters the second cylinder 33 through the second oil inlet 36 and the oil guide port 39, so that the piston 37 is pushed back to the original position.
Referring to fig. 5 and 8, a first conductive plate 51 is slidably mounted on a side wall of the second cylinder 33, a second conductive plate 52 is fixedly mounted on the second cylinder 33, a conductive rod 53 is fixedly mounted on a side wall of the second conductive plate 52, an insulating layer 54 is coated on the other end of the conductive rod 53, the other end of the conductive rod 53 is inserted into the first conductive plate 51 and slidably mounted in the second cylinder 33, a memory alloy spring 55 is sleeved on the second cylinder 33, two ends of the memory alloy spring 55 are respectively and fixedly connected to the side walls of the first conductive plate 51 and the second conductive plate 52, and the first conductive plate 51, the second conductive plate 52 and the heating wire 41 are electrically connected through wires and a power supply.
In the embodiment of the application, by arranging the first conductive plate 51, the second conductive plate 52, the memory alloy spring 55 and other mechanisms, the heating wire 41 continuously generates heat between the first cylinder 32 and the second cylinder 33 in the heating process, the temperature between the first cylinder 32 and the second cylinder 33 is higher and higher, the heat diffused into the hydraulic oil is more and more, and the hydraulic oil can cause evaporation of the hydraulic oil and damage to internal tissues under the high temperature for a long time;
the first conductive plate 51 is initially in contact with the conductive portion of the conductive rod 53, when the temperature between the first cylinder 32 and the second cylinder 33 is high, the memory alloy spring 55 is instantaneously contracted under the influence of the temperature, the first conductive plate 51 is pulled to move in a direction close to the second conductive plate 52 under the tensile force of the memory alloy spring 55, at this time, the first conductive plate 51 is in contact with the insulating layer 54 on the conductive rod 53, the circuit where the heating wire 41 is located is powered off, the heating wire 41 is not heated any more, when the temperature between the first cylinder 32 and the second cylinder 33 is reduced, the first conductive plate 51 is pushed back to the original position under the elastic force of the memory alloy spring 55, the heating wire 41 is heated again, the control of whether the heating wire 41 works or not is realized, and the hydraulic oil is prevented from losing the original activity due to overhigh temperature.
Referring to fig. 5, fig. 6, fig. 8, be equipped with the reduction gears 6 that are used for reducing piston 37 speed on the inner wall of rear end cover 34, reduction gears 6 is including seting up a plurality of recesses 61 on rear end cover 34 inner wall, the equal fixed mounting in inside of a plurality of recesses 61 has dead lever 62, slidable mounting has the slider 64 of two symmetry settings on the dead lever 62, the second spring 63 that two symmetries set up has been cup jointed on the dead lever 62, the both ends of every second spring 63 are fixed connection respectively on the lateral wall of recess 61 and slider 64, all articulate on the lateral wall of two sliders 64 has connecting rod 65, the other end of connecting rod 65 articulates there is connecting plate 66, the other end fixed mounting of connecting plate 66 has fly leaf 67, fixed mounting has gasket 68 on the lateral wall of fly leaf 67.
In the embodiment of the application, by arranging the groove 61, the connecting rod 65, the gasket 68 and other mechanisms, in the process of continuous operation of the piston rod 38, the kinetic energy of the piston rod 38 is increased, the impact force of the piston 37 when impacting the rear end cover 34 is large, and the piston 37 and other components are easily damaged;
when the piston 37 moves towards the direction close to the rear end cover 34, when the piston 37 moves to the end point, the piston 37 presses the gasket 68 and the movable plate 67 to move, the movable plate 67 drives the connecting rod 65 to deflect, the two connecting rods 65 respectively drive the two sliding blocks 64 to move towards the two inner walls of the groove 61 on the fixed rod 62, the second spring 63 is pressed by the sliding blocks 64 to contract, after the piston 37 is stationary, the second spring 63 generates a reaction force on the sliding blocks 64, and finally the movable plate 67 is supported, in the process, the moving speed of the piston 37 is gradually reduced, and the collision between the piston 37 and the rear end cover 34 is separated by the speed reducing mechanism 6, so that the piston 37 and the internal components of the first cylinder 32 are protected.
Referring to fig. 3, 5, and 6, the plurality of expansion rods 43 are alternately installed on the piston rod 38, the plurality of second permanent magnets 46 are alternately installed on the inner wall of the second cylinder 33, and the expansion rods 43 and the second permanent magnets 46 are oppositely disposed.
In the embodiment of the present application, the repulsive force received by the first permanent magnet 45 is relatively weakened under the magnetic force that is staggered with each other, the magnetic force of each second permanent magnet 46 is not influenced by each other due to the staggered installation of the second permanent magnets 46, and the telescopic rod 43 and the second permanent magnets 46 are arranged relatively, so that the first permanent magnets 45 receive the stable repulsive force, and the stable driving effect is realized on the movement of the hydraulic oil.
Referring to fig. 6, each movable plate 67 is disposed at a gap between the tracks of the two telescopic rods 43, and the movable plate 67 does not touch any component during the movement.
In the embodiment of the present application, the movable plate 67 is disposed at the gap between the moving tracks of the two telescopic rods 43, so that the telescopic rods 43 are not obstructed by the movable plate 67 while being driven by the piston rod 38, and the movable plate 67 blocks and supports the piston 37.
Referring to fig. 8, the material of the second cylinder 33 is tungsten copper alloy, and the material of the gasket 68 is UPE plastic.
In the embodiment of the application, the tungsten-copper alloy has high temperature resistance, high strength, arc ablation resistance and good heat conductivity, so that the second cylinder 33 has a better heat transfer effect; the UPE plastic has good elasticity, outstanding impact resistance and stress cracking resistance, so that the gasket 68 has better elasticity, further ensures the deceleration and protection of the piston 37, and has longer service life.
The working principle is as follows:
when the working personnel starts the main switch, the movable frame 1 drives the fixed frame 2 and the oil cylinder to integrally move to proper positions, the electric heating wire 41 switch and the oil cylinder switch are sequentially started, the heat is generated after the current passes through the electric heating wire 41, the heat is diffused into the hydraulic oil in the second cylinder body 33 through the second cylinder body 33 to heat the hydraulic oil, the solidification degree of the hydraulic oil is reduced, the external hydraulic oil enters the first cylinder body 32 from the first oil inlet 35 through the oil guide port 39, the hydraulic oil pushes the piston 37 and the piston rod 38 to move, the telescopic rod 43 on the piston rod 38 passes through the position of the second permanent magnet 46 in the moving process, the telescopic rod 43 and the first spring 44 are extruded under the repulsive force of the first permanent magnet 45 and the second permanent magnet 46 to shrink, the piston rod 38 continues to move, the positions of the first permanent magnet 45 and the second permanent magnet 46 are staggered, and the telescopic rod 43 extends again under the elastic force of the first spring 44, when the temperature between the first cylinder 32 and the second cylinder 33 is higher, the memory alloy spring 55 instantaneously contracts under the influence of the temperature, the first conductive plate 51 is pulled to move in a direction close to the second conductive plate 52 under the pulling force of the memory alloy spring 55, at this time, the first conductive plate 51 contacts the insulating layer 54 on the conductive rod 53, the circuit where the heating wire 41 is located is cut off, the heating wire 41 is not heated any more, when the temperature between the first cylinder 32 and the second cylinder 33 is reduced, the first conductive plate 51 is pushed back to the original position under the elastic force of the memory alloy spring 55, the heating wire 41 heats again, when the piston 37 moves in a direction close to the rear end cover 34, when the piston 37 runs to the end point, the piston 37 presses the gasket 68 and the movable plate 67 to move, the movable plate 67 drives the connecting rod 65 to deflect, the two connecting rods 65 respectively drive the two sliding blocks 64 to move on the fixed rod 62 towards the two inner walls of the groove 61, the second spring 63 is pressed by the sliding blocks 64 to contract, after the piston 37 is static, the second spring 63 generates reaction force on the sliding blocks 64 and finally supports the movable plate 67, in the process, the moving speed of the piston 37 is gradually reduced, and the collision between the piston 37 and the rear end cover 34 is separated by the speed reducing mechanism 6.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;
and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (6)
1. The utility model provides a hydraulic pressure is cut and is used L type hydro-cylinder, includes adjustable shelf (1), fixed mounting in mount (2) of adjustable shelf (1) bottom, fixed mounting in front end housing (31) and rear end cap (34) of mount (2) inboard, fixed mounting second cylinder body (33) between front end housing (31) and rear end cap (34), its characterized in that: a first cylinder body (32) is fixedly installed between the front end cover (31) and the rear end cover (34), a first oil inlet (35) is formed in the front end cover (31), a second oil inlet (36) is formed in the rear end cover (34), oil guide ports (39) are formed in the side walls of the front end cover (31) and the rear end cover (34), the first oil inlet (35), the second oil inlet (36) and the inner cavity of the second cylinder body (33) are communicated through the oil guide ports (39), a piston (37) is installed inside the second cylinder body (33) in a sliding mode, a piston rod (38) is fixedly installed in the middle of the piston (37), the other end of the piston rod (38) penetrates through the rear end cover (34) and extends to the outside of the rear end cover, and a driving mechanism (4) used for increasing the movement state of hydraulic oil is arranged inside the second cylinder body (33);
the second cylinder body (33) is sleeved with an electric heating wire (41), one end of the electric heating wire (41) is fixedly connected with a lead (42), and the other end of the lead (42) is electrically connected with a power supply;
actuating mechanism (4) are including a plurality of telescopic links (43) of fixed mounting on piston rod (38), and are a plurality of the equal fixed mounting in flexible end of telescopic link (43) has first permanent magnet (45), and is a plurality of first spring (44) has all been cup jointed on telescopic link (43), the both ends of first spring (44) are fixed connection respectively on piston rod (38) and first permanent magnet (45), fixed mounting has a plurality of second permanent magnet (46) on the inner wall of second cylinder body (33), and first permanent magnet (45) and second permanent magnet (46) are magnet at the same level.
2. The L-shaped oil cylinder for the hydraulic shears according to claim 1, characterized in that: slidable mounting has first current conducting plate (51) on the lateral wall of second cylinder body (33), fixed mounting has second current conducting plate (52) on second cylinder body (33), fixed mounting has conducting rod (53) on the lateral wall of second current conducting plate (52), insulating layer (54) are scribbled to the other end of conducting rod (53), the other end of conducting rod (53) is inserted and is established and slidable mounting in the inside of first current conducting plate (51), cup jointed memory alloy spring (55) on second cylinder body (33), and the both ends difference fixed connection of memory alloy spring (55) is on the lateral wall of first current conducting plate (51) and second current conducting plate (52), through electric wire and power electric connection between first current conducting plate (51), second current conducting plate (52) and heating wire (41).
3. The L-shaped oil cylinder for the hydraulic shears according to claim 1, characterized in that: the inner wall of the rear end cover (34) is provided with a speed reducing mechanism (6) for reducing the speed of the piston (37), the speed reducing mechanism (6) comprises a plurality of grooves (61) formed on the inner wall of the rear end cover (34), fixing rods (62) are fixedly arranged in the grooves (61), two symmetrically arranged sliding blocks (64) are arranged on the fixed rod (62) in a sliding way, two second springs (63) which are symmetrically arranged are sleeved on the fixed rod (62), two ends of each second spring (63) are respectively and fixedly connected to the side wall of the groove (61) and the sliding blocks (64), the side walls of the two sliding blocks (64) are respectively hinged with a connecting rod (65), the other end of connecting rod (65) articulates there is connecting plate (66), the other end fixed mounting of connecting plate (66) has fly leaf (67), fixed mounting has gasket (68) on the lateral wall of fly leaf (67).
4. The L-shaped oil cylinder for the hydraulic shears according to claim 1, characterized in that: the plurality of telescopic rods (43) are installed on the piston rod (38) in a staggered mode, the plurality of second permanent magnets (46) are installed on the inner wall of the second cylinder body (33) in a staggered mode, and the telescopic rods (43) and the second permanent magnets (46) are arranged oppositely.
5. The L-shaped oil cylinder for the hydraulic shears according to claim 3, wherein: each movable plate (67) is arranged at the gap of the moving tracks of the two telescopic rods (43), and the movable plates (67) do not touch any component in the moving process.
6. The L-shaped oil cylinder for the hydraulic shears according to claim 3, wherein: the second cylinder body (33) is made of tungsten-copper alloy, and the gasket (68) is made of UPE plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210601881.7A CN114810719A (en) | 2022-05-30 | 2022-05-30 | L-shaped oil cylinder for hydraulic shears |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210601881.7A CN114810719A (en) | 2022-05-30 | 2022-05-30 | L-shaped oil cylinder for hydraulic shears |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114810719A true CN114810719A (en) | 2022-07-29 |
Family
ID=82518586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210601881.7A Pending CN114810719A (en) | 2022-05-30 | 2022-05-30 | L-shaped oil cylinder for hydraulic shears |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114810719A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113323942A (en) * | 2021-08-03 | 2021-08-31 | 烟台山河液压部件有限公司 | Hydraulic cylinder with high buffer performance |
| CN113757216A (en) * | 2021-07-26 | 2021-12-07 | 南通理工学院 | Reinforced piston oil cylinder with cooling function |
| CN113847303A (en) * | 2021-10-27 | 2021-12-28 | 顾忙忙 | Buffering hydraulic cylinder |
| CN114109971A (en) * | 2021-11-09 | 2022-03-01 | 黄玉央 | Hydraulic oil cylinder |
-
2022
- 2022-05-30 CN CN202210601881.7A patent/CN114810719A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113757216A (en) * | 2021-07-26 | 2021-12-07 | 南通理工学院 | Reinforced piston oil cylinder with cooling function |
| CN113323942A (en) * | 2021-08-03 | 2021-08-31 | 烟台山河液压部件有限公司 | Hydraulic cylinder with high buffer performance |
| CN113847303A (en) * | 2021-10-27 | 2021-12-28 | 顾忙忙 | Buffering hydraulic cylinder |
| CN114109971A (en) * | 2021-11-09 | 2022-03-01 | 黄玉央 | Hydraulic oil cylinder |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114810719A (en) | L-shaped oil cylinder for hydraulic shears | |
| CN114309850A (en) | Welding device and welding method for plastic case circuit breaker static contact assembly | |
| CN1298003C (en) | Small circuit breaker | |
| CN219350024U (en) | High-voltage connecting switch | |
| CN110660607B (en) | Bridge type contact load switch and smart electric meter | |
| CN210120052U (en) | On-load tap-changer capacity regulating device | |
| CN217823939U (en) | Switch cabinet equipment | |
| CN115798990A (en) | Insulation over travel mechanism of vacuum circuit breaker | |
| CN213752534U (en) | Reduce heavy current relay that catch bar is heated | |
| CN209591833U (en) | One kind pressing switch and electric tool | |
| CN210006660U (en) | double-break isolating switch for electrified railway | |
| CN210091970U (en) | Miniaturized isolator mechanism | |
| CN212210127U (en) | Low-voltage power distribution cabinet with good stability | |
| CN216882160U (en) | Welding device for plastic case circuit breaker static contact assembly | |
| CN214477153U (en) | Three-phase isolating switch device | |
| CN217386976U (en) | Heat dissipation type knife switch type isolation knife static contact | |
| CN220914122U (en) | Relay and vehicle | |
| CN111584287B (en) | Single-pole double-throw low-voltage switch | |
| CN221529854U (en) | Fixed contact for molded case circuit breaker and molded case circuit breaker | |
| CN214624939U (en) | Current conversion circuit breaker | |
| CN219626534U (en) | Vacuum circuit breaker with isolating switch for environment-friendly cabinet | |
| CN1992118A (en) | Plug-in docking integral vacuum arc-extinction chamber | |
| CN215733963U (en) | Motor stator internal insulation paper assembling, extruding and shaping device | |
| CN221101932U (en) | Isolating switch structure | |
| CN214589705U (en) | Switch cabinet with clamping mechanism and convenient to integrally install |
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 |