CN113775599B - Temperature-reduction type explosion-proof early-warning hydraulic oil cylinder - Google Patents
Temperature-reduction type explosion-proof early-warning hydraulic oil cylinder Download PDFInfo
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- CN113775599B CN113775599B CN202111288060.4A CN202111288060A CN113775599B CN 113775599 B CN113775599 B CN 113775599B CN 202111288060 A CN202111288060 A CN 202111288060A CN 113775599 B CN113775599 B CN 113775599B
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- 239000010720 hydraulic oil Substances 0.000 title claims abstract description 162
- 239000007788 liquid Substances 0.000 claims abstract description 106
- 238000001816 cooling Methods 0.000 claims description 41
- 230000017525 heat dissipation Effects 0.000 claims description 24
- 239000003921 oil Substances 0.000 claims description 23
- 230000037452 priming Effects 0.000 claims description 19
- 230000008878 coupling Effects 0.000 claims description 16
- 238000010168 coupling process Methods 0.000 claims description 16
- 238000005859 coupling reaction Methods 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 13
- 238000003825 pressing Methods 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 230000006698 induction Effects 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 3
- 239000000284 extract Substances 0.000 claims 1
- 239000002826 coolant Substances 0.000 abstract description 18
- 230000000694 effects Effects 0.000 description 5
- 230000004044 response Effects 0.000 description 5
- 238000004880 explosion Methods 0.000 description 4
- 239000000110 cooling liquid Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
-
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/149—Fluid interconnections, e.g. fluid connectors, passages
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- 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
- 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
- F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
- G01K7/22—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a non-linear resistance, e.g. thermistor
Abstract
The invention relates to the field of hydraulic oil cylinders, in particular to a temperature-reduction type explosion-proof early-warning hydraulic oil cylinder, which comprises a liquid guide frame, a supporting plate frame, a hydraulic oil cylinder, a hydraulic driving part and the like; the top of the liquid guide frame is fixedly connected with a pair of supporting plate frames, a hydraulic oil cylinder is fixedly connected between the two supporting plate frames, and the liquid guide frame is provided with a hydraulic driving part. Through the cooperation of U type back flow and device above, the coolant liquid circulates at U type back flow internal recycle, and the coolant liquid carries out the heat exchange with the hydraulic oil in the hydraulic cylinder to the coolant liquid can take away the heat that produces when hydraulic cylinder functions, thereby can cool down to the hydraulic oil in the hydraulic cylinder, prevents to take place the jar because the high temperature explodes, has realized the purpose that can cool down effectively.
Description
Technical Field
The invention relates to the field of hydraulic oil cylinders, in particular to a temperature-reduction type explosion-proof early-warning hydraulic oil cylinder.
Background
The hydraulic cylinder is a hydraulic actuating element which converts hydraulic energy into mechanical energy and does linear reciprocating motion, has simple structure and reliable work, the power source of the hydraulic cylinder is the thrust of hydraulic oil, when the hydraulic oil is used for realizing the reciprocating motion, a speed reducing device can be omitted, no transmission gap exists, the motion is stable, and therefore, the hydraulic cylinder is widely applied to hydraulic systems of various machines.
The pneumatic cylinder can provide the high frequency, great thrust, at the in-process of pneumatic cylinder work, there is the friction hydraulic oil and jar wall, hydraulic oil self has the viscidity simultaneously, also can produce the friction when flowing, when the pneumatic cylinder function of reciprocating, the friction can produce a large amount of heats between hydraulic oil and the jar wall, simultaneously under the condition of heavy load, hydraulic oil has the compression of certain degree, the viscosity coefficient of hydraulic oil also can increase thereupon, the friction that the during operation produced can further increase, it also can further increase to produce a large amount of heats, if the outside heat dissipation of the heat conductivity through pneumatic cylinder self only, can lead to the heat to be difficult to fast effluvium, and if the staff does not discover unusually in time, the phenomenon that the jar explodes appears in the work under high temperature state easily for the pneumatic cylinder lasts.
How to design the explosion-proof early warning hydraulic cylinder of cooling formula that can cool down high-efficiently, can avoid the emergence of the phenomenon of cylinder explosion effectively, can send out the police dispatch newspaper at high temperature becomes to solve in the prior art at present can produce a large amount of heats under high frequency operation or the load, has higher cylinder explosion risk, the difficult unusual problem of discovery in time of staff.
Disclosure of Invention
The embodiment provides explosion-proof early warning hydraulic cylinder of temperature drop formula, including the drain frame, still including support grillage, hydraulic cylinder, hydraulic drive part, pressure release part and double-barrelled heat dissipation part: the top of the liquid guide frame is fixedly connected with a pair of supporting plate frames; the two supporting plate frames are fixedly connected with a hydraulic oil cylinder together; the hydraulic driving part is arranged on the liquid guide frame and used for driving hydraulic oil to flow in the hydraulic oil cylinder; the pressure relief component is arranged on the hydraulic oil cylinder and used for relieving pressure when the pressure intensity in the hydraulic oil cylinder is overlarge; the hydraulic drive component is provided with two pipe radiating components which are used for radiating and cooling.
Optionally, the hydraulic driving part comprises a hard delivery pipe, a curved delivery pipe, a limiting ring, a sliding rod, a piston plate, a support plate, an oil pump, a joint pipe, an electric push rod and a flow guide piece, the bottom of the liquid guide frame is communicated with a pair of hard delivery pipes, the top of the liquid guide frame is communicated with a pair of curved delivery pipes, the curved delivery pipes are communicated with the bottom of the hydraulic cylinder, the inner wall of the hydraulic cylinder is symmetrically and fixedly connected with the limiting ring, the sliding rod is connected with the inside of the hydraulic cylinder in a sliding manner, the piston plate is in sliding fit with the hydraulic cylinder, the piston plate is in contact with the limiting ring on the left side, the right side of the outer bottom of the liquid guide frame is fixedly connected with the support plate, the upper part of the support plate is fixedly installed with the oil pump, the left side of the oil pump is fixedly connected with the joint pipe, the joint pipe is communicated with the liquid guide frame, the left side of the support plate is fixedly connected with the electric push rod, the electric push rod is in sliding fit with the liquid guide frame, one end of the electric push rod is fixedly connected with the flow guide piece, the flow guide part is connected with the attaching pipe in a sliding mode, the flow guide part is located inside the liquid guide frame and communicated with the attaching pipe, and the flow guide part is communicated with the bent conveying pipe located on the left side.
Optionally, pressure release part is including pressure release shell, the shank of bolt, press the spring, curved plug, sealing washer and honeycomb duct, the rigid coupling has pressure release shell in the middle of the hydraulic cylinder outer wall bottom, pressure release shell communicates with each other with hydraulic cylinder, pressure release shell lower part slidingly is connected with the shank of bolt, shank of bolt upper portion rigid coupling has the press spring, press the spring and keep away from shank of bolt one end rigid coupling and have curved plug, curved plug is in the hydraulic cylinder bottom, the outer bottom rigid coupling of pressure release shell has the sealing washer, sealing washer and shank of bolt slidingtype cooperation, it has the honeycomb duct to put through jointly between pressure release shell and the drain frame.
Optionally, the upper part of the curved plug is provided with a curved surface for blocking the hydraulic oil cylinder when the pressure therein is normal.
Optionally, the sealing ring is made of rubber and used for preventing hydraulic oil in the hydraulic oil cylinder from leaking.
Optionally, the double-tube heat dissipation component comprises a flow guide sleeve, a liquid inlet pipe, a liquid discharge pipe and a U-shaped return pipe, the flow guide sleeve is fixedly connected to the right of the sliding rod, the liquid inlet pipe is communicated with the upper portion of the flow guide sleeve, the liquid discharge pipe is communicated with the lower portion of the flow guide sleeve, a pair of U-shaped return pipes is communicated with the inside of the sliding rod, and the U-shaped return pipes are communicated with the flow guide sleeve.
Optionally, still including explosion-proof component, explosion-proof component locates upper portion in the piston plate, explosion-proof component is including the response pole, the movable rod, reset spring, return liquid pipe and solenoid valve, the equal rigid coupling in upper portion and interior lower part has the response pole in the piston plate, the equal slidingtype connection in upper portion and interior lower part has a pair of movable rod in the piston plate, adjacent movable rod is located the response pole left and right sides, be connected with reset spring between movable rod and the response pole, hydraulic cylinder rear side symmetry switch-on has the liquid return pipe, return liquid pipe and the switch-on of liquid guide frame, it has the solenoid valve to be close to hydraulic cylinder one side rigid coupling to return the liquid pipe, circular chamber has all been opened to upper portion and lower part in the piston plate, the response pole, movable rod and reset spring all are located circular intracavity portion.
Optionally, the liquid guide device further comprises a warning component, the warning component is arranged on the liquid guide frame and comprises a negative temperature coefficient thermistor plate and a buzzer, the negative temperature coefficient thermistor plate is fixedly connected to the lower portion of the outer side of the liquid guide frame, the liquid return pipe is fixedly connected with the negative temperature coefficient thermistor plate, and the buzzer is fixedly connected to the front side of the outer portion of the liquid guide frame.
Optionally, the hydraulic cylinder further comprises a thermal switch, and the thermal switch is symmetrically and fixedly connected inside the hydraulic cylinder.
Optionally, still including heat dissipation switch part, heat dissipation switch part is located on the drain frame, heat dissipation switch part is including the guide plate, first cooling tube, the second cooling tube, the self priming pump, slurcam and compression spring, the outside rear side rigid coupling of drain frame has the guide plate, the intercommunication of guide plate upper portion has a pair of first cooling tube, the intercommunication of guide plate lower part has a pair of second cooling tube, the sliding type is connected with the self priming pump in the guide plate inboard, the self priming pump communicates with each other with the guide plate, self priming pump left side rigid coupling has the slurcam, be connected with compression spring between self priming pump and the guide plate.
The invention has the following beneficial effects:
1. through the cooperation of U type back flow and device above, the coolant liquid circulates at U type back flow internal circulation, and the coolant liquid carries out the heat exchange with the hydraulic oil in the hydraulic cylinder to the coolant liquid can take away the heat that produces when hydraulic cylinder functions, thereby can cool down to the hydraulic oil in the hydraulic cylinder, prevent to take place the jar because the high temperature and explode, realized the purpose that can cool down effectively.
2. Through the cooperation of self priming pump and device above for the supply of coolant liquid derives from two cooling warehouses, and two cooling warehouses supply with the coolant liquid in turn, have guaranteed the cooling effect of coolant liquid fully, are favorable to improving cooling efficiency.
3. Through the cooperation of the flow guide piece and the device on the flow guide piece, hydraulic oil can flow in the hydraulic oil cylinder in a two-way mode, so that two-way thrust can be provided, and the purpose of pushing the hydraulic oil in a two-way mode is achieved.
4. Through the cooperation of bent shape stopper and device above that, when the piston plate can't continue to remove under the effect of spacing ring, the pressure of the hydraulic oil in the hydraulic cylinder can be too big, and bent shape stopper can be opened this moment for hydraulic oil in the hydraulic cylinder can discharge, thereby makes hydraulic cylinder internal pressure obtain releasing, and then can prevent that the jar from exploding the phenomenon, has reached the effect that can in time carry out the pressure release automatically.
5. When the hydraulic oil cylinder is overloaded, the pressure in the hydraulic oil cylinder can be increased, the thrust of the hydraulic oil can be increased, one of the electromagnetic valves can be opened under the pushing action of the hydraulic oil, so that the hydraulic oil in the hydraulic oil cylinder flows out through one of the liquid return pipes, the pressure can be released in time, the cylinder explosion caused by the overlarge load is effectively avoided, and the effect of protecting the hydraulic oil cylinder is achieved.
6. The temperature of the hydraulic oil is sensed through the negative temperature coefficient thermistor plate, if the temperature of the hydraulic oil flowing out of the liquid return pipe is too high, the resistance of the negative temperature coefficient thermistor plate is reduced, the buzzer is powered on and gives an alarm, and accordingly a worker is warned to perform corresponding processing in time.
Drawings
Fig. 1 is a schematic perspective view of a first embodiment of the present invention.
Fig. 2 is a schematic perspective view of a second embodiment of the present invention.
Fig. 3 is a schematic perspective view of the warning member of the present invention.
Fig. 4 is a schematic view of a first partially assembled body of the hydraulic drive unit of the present invention.
Fig. 5 is a schematic view of a first partially cut-away perspective structure of the hydraulic drive unit of the present invention.
Fig. 6 is a schematic view of a second partial body structure of the hydraulic drive unit of the present invention.
Fig. 7 is an enlarged perspective view of the present invention a.
Fig. 8 is a schematic sectional perspective view of the pressure relief component of the present invention.
Fig. 9 is a schematic exploded perspective view of a dual-tube heat dissipation member according to the present invention.
Fig. 10 is a second partially cut-away perspective view of the hydraulic drive unit of the present invention.
Fig. 11 is an enlarged perspective view of the present invention B.
Fig. 12 is a schematic sectional perspective view of the piston plate of the present invention.
Fig. 13 is an enlarged perspective view of the present invention C.
Fig. 14 is a schematic perspective view of a heat dissipation switching component according to the present invention.
Fig. 15 is a partially cut-away perspective view of the heat dissipation switching member of the present invention.
Reference numbers in the drawings: 1: liquid guide frame, 2: support grillage, 3: hydraulic cylinder, 4: hydraulic drive means, 41: rigid duct, 42: curved duct, 43: stop collar, 44: slide bar, 45: piston plate, 46: a support plate, 47: oil pump, 48: bonding tube, 49: electric putter, 410: flow guide piece, 5: pressure relief member, 51: pressure relief shell, 52: bolt shank, 53: pressing spring, 54: curved plug, 55: seal ring, 56: honeycomb duct, 6: double-tube heat dissipation member, 61: flow guide sleeve, 62: liquid inlet pipe, 63: drain pipe, 64: u-shaped return pipe, 7: explosion-proof member, 71: sensing rod, 72: movable lever, 73: return spring, 74: liquid return pipe, 75: solenoid valve, 76: circular cavity, 8: warning means, 81: negative temperature coefficient thermistor plate, 82: buzzer, 9: thermal switch, 10: heat dissipation switching member, 101: flow guide plate, 102: first cooling pipe, 103: second cooling pipe, 104: self-priming pump, 105: push plate, 106: compressing the spring.
Detailed Description
The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description and the description of the attached drawings, and the specific connection mode of each part adopts the conventional means of mature bolts, rivets, welding, sticking and the like in the prior art, and the detailed description is not repeated.
Example 1
Fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8, fig. 9, fig. 10, fig. 11 and fig. 12 show, including liquid guiding frame 1, supporting plate frame 2, hydraulic cylinder 3, hydraulic drive part 4, pressure relief part 5 and double-pipe heat dissipation part 6, liquid guiding frame 1 top rigid coupling has a pair of supporting plate frame 2, common rigid coupling has hydraulic cylinder 3 between two supporting plate frame 2, be equipped with hydraulic drive part 4 on liquid guiding frame 1, hydraulic drive part 4 is used for driving hydraulic oil to flow in hydraulic cylinder 3, be equipped with pressure relief part 5 on hydraulic cylinder 3, pressure relief part 5 is used for carrying out the pressure relief when hydraulic cylinder 3 internal pressure is too big, be equipped with double-pipe heat dissipation part 6 on hydraulic drive part 4, double-pipe heat dissipation part 6 is used for the heat dissipation cooling.
The hydraulic driving part 4 comprises a hard conveying pipe 41, a curved conveying pipe 42, a limiting ring 43, a sliding rod 44, a piston plate 45, a support plate 46, an oil pump 47, a joint pipe 48, an electric push rod 49 and a flow guide piece 410, the bottom of a liquid guide frame 1 is communicated with a pair of hard conveying pipes 41, the hard conveying pipe 41 is used for conveying hydraulic oil back to a hydraulic oil storage bin, the top of the liquid guide frame 1 is communicated with a pair of curved conveying pipes 42, the curved conveying pipes 42 are used for conveying the hydraulic oil into a hydraulic oil cylinder 3, the curved conveying pipes 42 are communicated with the bottom of the hydraulic oil cylinder 3, the inner wall of the hydraulic oil cylinder 3 is symmetrically and fixedly connected with the limiting ring 43, the sliding rod 44 is connected inside the hydraulic oil cylinder 3 in a sliding mode, the left end of the sliding rod 44 is fixedly connected with the piston plate 45, the limiting ring 43 is used for limiting the moving position of the piston plate 45, the piston plate 45 is in sliding fit with the hydraulic oil cylinder 3, the piston plate 45 is in contact with the limiting ring 43 on the left side, support plate 46 is fixedly connected to the right side of the outer bottom of liquid guide frame 1, an oil pump 47 is fixedly mounted on the upper portion of support plate 46, oil pump 47 is used for extracting hydraulic oil, a joint pipe 48 is fixedly connected to the left side of oil pump 47, joint pipe 48 is communicated with liquid guide frame 1, an electric push rod 49 is fixedly connected to the left side of support plate 46, electric push rod 49 is in sliding fit with liquid guide frame 1, one end of electric push rod 49 is connected with a flow guide piece 410 in a welding mode, flow guide piece 410 is in sliding connection with joint pipe 48, flow guide piece 410 is located inside liquid guide frame 1, flow guide piece 410 is communicated with joint pipe 48, and flow guide piece 410 is communicated with curved conveying pipe 42 located on the left side.
The pressure relief component 5 comprises a pressure relief shell 51, a bolt rod 52, a pressing spring 53, a curved plug 54, a sealing ring 55 and a draft tube 56, the pressure relief shell 51 is fixedly connected to the middle of the bottom of the outer wall of the hydraulic oil cylinder 3, the pressure relief shell 51 is communicated with the hydraulic oil cylinder 3, the lower portion of the pressure relief shell 51 is slidably connected with the bolt rod 52, the upper portion of the bolt rod 52 is fixedly connected with the pressing spring 53, one end, away from the bolt rod 52, of the pressing spring 53 is fixedly connected with the curved plug 54, the curved plug 54 is used for blocking the hydraulic oil cylinder 3, the curved plug 54 is plugged at the bottom of the hydraulic oil cylinder 3, the sealing ring 55 is fixedly connected to the outer bottom of the pressure relief shell 51, the sealing ring 55 is used for preventing hydraulic oil in the hydraulic oil cylinder 3 from leaking, the sealing ring 55 is slidably matched with the bolt rod 52, and the draft tube 56 is communicated between the pressure relief shell 51 and the liquid guide frame 1.
The double-pipe heat dissipation part 6 comprises a flow guide sleeve 61, a liquid inlet pipe 62, a liquid discharge pipe 63 and a U-shaped return pipe 64, the right part of the sliding rod 44 is fixedly connected with the flow guide sleeve 61, the upper part of the flow guide sleeve 61 is communicated with the liquid inlet pipe 62, the liquid inlet pipe 62 is used for conveying cooling liquid, the lower part of the flow guide sleeve 61 is communicated with the liquid discharge pipe 63, the liquid discharge pipe 63 is used for discharging the cooling liquid, the sliding rod 44 is internally communicated with the U-shaped return pipe 64, the cooling liquid flowing in the U-shaped return pipe 64 is used for cooling hydraulic oil, and the U-shaped return pipe 64 is communicated with the flow guide sleeve 61.
Both the rigid delivery pipe 41 and the oil pump 47 are connected to a hydraulic oil storage tank, and when the slide rod 44 and the devices thereon need to be moved by hydraulic oil, the operator manually controls the operation of the oil pump 47, the oil pump 47 pumps the hydraulic oil, the hydraulic oil enters the flow guide 410, since the fluid guide 410 is communicated with the curved delivery pipe 42 on the left side at this time, so that the hydraulic oil is introduced into the hydraulic cylinder 3 through the curved delivery pipe 42 on the left side, the hydraulic oil flows to the right in the hydraulic cylinder 3, under the thrust action of the hydraulic oil, the piston plate 45 and the device thereon move rightwards, the sliding rod 44 and the device thereon also move rightwards, the limiting ring 43 limits the piston plate 45, at the same time, the hydraulic oil in the hydraulic cylinder 3 on the right side of the piston plate 45 is squeezed and flows to the fluid-guiding frame 1 through the curved delivery pipe 42 on the right side, and then the hydraulic oil flows back into the hydraulic oil storage bin through the rigid delivery pipe 41 on the right side. If it is desired to change the direction of the hydraulic oil in the hydraulic cylinder 3 and move the slide rod 44 and the devices thereon to the left, the operator manually controls the electric push rod 49 to contract, the electric push rod 49 drives the flow guide piece 410 to move rightwards, so that the flow guide piece 410 is communicated with the curved conveying pipe 42 positioned at the right side, when the oil pump 47 pumps up the hydraulic oil again, the hydraulic oil flows to the curved delivery pipe 42 on the right side through the flow guide 410 and enters the hydraulic cylinder 3, so that the hydraulic oil flows from right to left, the hydraulic oil pushes the piston plate 45 and the upper device thereof to move to left under the action of thrust, so that the upper device of the sliding rod 44 moves to the left and is reset, at the same time, the hydraulic oil in the hydraulic cylinder 3 on the left side of the piston plate 45 is squeezed and flows to the fluid-guiding frame 1 through the curved delivery pipe 42 on the left side, and then the hydraulic oil flows back to the hydraulic oil storage bin through the rigid delivery pipe 41 on the left side. The purpose of pushing hydraulic oil in two directions is achieved through the operation.
When the equipment operates at a high frequency, hydraulic oil flows back and forth in the hydraulic oil cylinder 3, so that a large amount of friction is generated in the hydraulic oil cylinder 3, a large amount of heat is generated, the hydraulic oil is compressed to a certain degree under the condition of a large load, the density of the hydraulic oil is increased, the viscosity coefficient of the hydraulic oil is increased, the friction generated during operation is further increased, and a large amount of heat is further increased. Because the liquid inlet pipe 62 is communicated with the coolant supply end, and the liquid discharge pipe 63 is communicated with the coolant recovery end, when the device operates at high frequency or has a large load, the coolant enters the flow guide sleeve 61 through the liquid inlet pipe 62, then enters the U-shaped return pipe 64 and flows out through the liquid discharge pipe 63, so that the coolant circulates in the U-shaped return pipe 64, the coolant in the U-shaped return pipe 64 exchanges heat with the heat in the hydraulic oil cylinder 3, and the coolant takes away the heat in the hydraulic oil cylinder 3, thereby achieving the effect of effectively cooling and dissipating heat, and preventing the hydraulic oil cylinder 3 from bursting due to overhigh temperature.
When the worker does not cut off the power of the oil pump 47 in time during working, the pressure of the hydraulic oil in the hydraulic oil cylinder 3 can not be released, at the moment, the pressure in the hydraulic oil cylinder 3 is overlarge, the hydraulic oil in the hydraulic oil cylinder 3 can push the curved plug 54 to move downwards, the pressing spring 53 can be compressed along with the pressure, the bottom of the hydraulic oil cylinder 3 is not blocked by the curved plug 54, the hydraulic oil in the hydraulic oil cylinder 3 can flow to the pressure release shell 51 and is discharged into the liquid guide frame 1 through the flow guide pipe 56, and then flows back to the hydraulic oil storage bin through one of the hard delivery pipes 41, so that the overlarge pressure in the hydraulic oil cylinder 3 can be released, the purpose of timely pressure release is realized, the sealing ring 55 is made of rubber, the pressure release shell 51 can be sealed, and the leakage of the hydraulic oil is prevented. When the pressure relief is completed, the pressing spring 53 is reset and drives the curved plug 54 to reset.
Example 2
On the basis of embodiment 1, as shown in fig. 13, the explosion-proof device 7 is further included, the explosion-proof device 7 is disposed at an upper portion in the piston plate 45, the explosion-proof device 7 is used for preventing a cylinder explosion phenomenon, the explosion-proof device 7 includes a sensing rod 71, a movable rod 72, a return spring 73, liquid return pipes 74 and electromagnetic valves 75, the sensing rod 71 is fixedly connected to the upper portion and the lower portion in the piston plate 45, the sensing rod 71 is used for sensing pressure information, the upper portion and the lower portion in the piston plate 45 are slidably connected to a pair of movable rods 72, the adjacent movable rods 72 are located at left and right sides of the sensing rod 71, the return springs 73 are connected between the movable rods 72 and the sensing rod 71, the liquid return pipes 74 are symmetrically connected to a rear side of the hydraulic cylinder 3, the liquid return pipes 74 are connected to the liquid guide frame 1, the electromagnetic valves 75 are connected to a side of the liquid return pipes 74 close to the hydraulic cylinder 3 by welding, circular cavities 76 are formed at the upper portion and the lower portion in the piston plate 45, the sensing rod 71, the movable rod 72 and the return spring 73 are all located inside the circular cavity 76.
When the pressure inside the hydraulic oil cylinder 3 is high, the hydraulic oil can push the movable rod 72 on one side to move towards the direction close to the induction rod 71, the return spring 73 on one side is compressed accordingly, when the pressure inside the hydraulic oil cylinder 3 is high, the load is high, the thrust of the hydraulic oil inside the hydraulic oil cylinder 3 is increased, the distance for the hydraulic oil to push the movable rod 72 on one side to move is increased, at the moment, the movable rod 72 on one side presses the induction rod 71, after the induction rod 71 senses pressure information, one of the electromagnetic valves 75 is controlled to be opened through the control center, so that the hydraulic oil inside the hydraulic oil cylinder 3 flows to the liquid guide frame 1 through one of the liquid return pipes 74, the hydraulic oil flowing into the liquid guide frame 1 is discharged through one of the hard conveying pipes 41, pressure can be relieved in time, and the situation that the hydraulic oil cylinder 3 bursts when the load is high is avoided, and functions to protect the hydraulic cylinder 3.
Example 3
On the basis of embodiment 2, as shown in fig. 3, the hydraulic oil temperature monitoring device further includes a warning component 8, the warning component 8 is disposed on the liquid guiding frame 1, the warning component 8 is used for warning workers to perform corresponding processing when the hydraulic oil temperature is high, the warning component 8 includes a negative temperature coefficient thermistor plate 81 and a buzzer 82, the negative temperature coefficient thermistor plate 81 used for sensing information of temperature rise is fixedly connected to the lower portion of the outer side of the liquid guiding frame 1, the liquid returning pipe 74 is fixedly connected to the negative temperature coefficient thermistor plate 81, the buzzer 82 is fixedly connected to the front side of the outer portion of the liquid guiding frame 1, and the buzzer 82 is used for giving an alarm.
When the temperature of the hydraulic oil flowing to the liquid guiding frame 1 through the liquid return pipe 74 is high, the negative temperature coefficient thermistor plate 81 senses the temperature rise information, meanwhile, the resistance of the negative temperature coefficient thermistor plate 81 is reduced, so that the buzzer 82 is powered on, and an alarm is given out after the buzzer 82 is powered on, so that the abnormal operation state of the device is described, and a worker is warned to perform corresponding processing. When the temperature of the hydraulic oil flowing to the liquid guide frame 1 through the liquid return pipe 74 is reduced, the resistance of the negative temperature coefficient thermistor plate 81 is increased, so that the buzzer 82 is powered off and no alarm is given, which indicates that the operation of the device is recovered to normal.
Example 4
On the basis of embodiment 3, as shown in fig. 5, the hydraulic cylinder 3 further comprises a thermal switch 9, the thermal switch 9 is symmetrically and fixedly connected inside the hydraulic cylinder 3, and the thermal switch 9 is used for sensing information of overhigh temperature and controlling the oil pump 47 to stop operating through the control center.
When the cooling function of this equipment became invalid, the temperature of hydraulic oil can be too high in hydraulic cylinder 3, and thermoswitch 9 can sense the high temperature and stop working through control center control oil pump 47 this moment for oil pump 47 stops to extract hydraulic oil, avoids this equipment to move under the state of high temperature, and then prevents the phenomenon of the jar that explodes.
Example 5
On embodiment 4's basis, as shown in fig. 14 and fig. 15, still including heat dissipation switch part 10, heat dissipation switch part 10 is located on leading liquid frame 1, heat dissipation switch part 10 is used for improving the radiating efficiency, heat dissipation switch part 10 is including guide plate 101, first cooling tube 102, second cooling tube 103, self priming pump 104, slurcam 105 and compression spring 106, lead the outside rear side of liquid frame 1 and be connected with guide plate 101 through the welded mode, guide plate 101 upper portion is led to and is had a pair of first cooling tube 102, guide plate 101 lower part is led to and is had a pair of second cooling tube 103, guide plate 101 inboard sliding type is connected with self priming pump 104, self priming pump 104 communicates with each other with guide plate 101, there is slurcam 105 self priming pump 104 left side through bolted connection, be connected with compression spring 106 between self priming pump 104 and the guide plate 101.
Two second cooling tubes 103 communicate with different cooling chambers respectively, because self priming pump 104 communicates with each other with second cooling tube 103 and first cooling tube 102 that are located left this moment, the coolant liquid can flow to guide plate 101 through second cooling tube 103 that is located left, rethread self priming pump 104 flow direction is through being located left first cooling tube 102, then the coolant liquid flows back to in one of them cooling chamber again, and then cool off hydraulic oil, the coolant liquid in another cooling chamber does not circulate this moment, when electric putter 49 contracts, electric putter 49 can drive slurcam 105 and put on it and move right, compression spring 106 can be compressed thereupon, make self priming pump 104 communicate with each other with second cooling tube 103 and first cooling tube 102 that are located right, thereby make another cooling chamber operate, through two cooling chamber alternate operation, cooling efficiency has been improved.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. Explosion-proof early warning hydraulic cylinder of formula of cooling, including drain frame (1), its characterized in that still includes support grillage (2), hydraulic cylinder (3), hydraulic drive part (4), pressure release part (5) and double-barrelled radiating part (6): the top of the liquid guide frame (1) is fixedly connected with a pair of supporting plate frames (2); the two supporting plate frames (2) are fixedly connected with a hydraulic oil cylinder (3) together; the hydraulic driving component (4) is arranged on the liquid guide frame (1), and the hydraulic driving component (4) is used for driving hydraulic oil to flow in the hydraulic oil cylinder (3); the hydraulic oil cylinder (3) is provided with a pressure relief component (5), and the pressure relief component (5) is used for relieving pressure when the pressure in the hydraulic oil cylinder (3) is too high; the hydraulic drive device comprises a hydraulic drive component (4), a double-pipe radiating component (6), a double-pipe cooling component (6) and a cooling component, wherein the double-pipe radiating component (6) is used for radiating and cooling;
the hydraulic driving part (4) comprises a hard conveying pipe (41), a bent conveying pipe (42), a limiting ring (43), a sliding rod (44), a piston plate (45), a supporting plate (46), an oil pump (47), a fitting pipe (48), an electric push rod (49) and a flow guide part (410), wherein the bottom of a liquid guide frame (1) is communicated with a pair of hard conveying pipes (41), the top of the liquid guide frame (1) is communicated with a pair of bent conveying pipes (42), the bent conveying pipe (42) is communicated with the bottom of a hydraulic oil cylinder (3), the inner wall of the hydraulic oil cylinder (3) is symmetrically and fixedly connected with the limiting ring (43), the inside of the hydraulic oil cylinder (3) is connected with the sliding rod (44) in a sliding manner, the left end of the sliding rod (44) is fixedly connected with the piston plate (45), the piston plate (45) is in sliding fit with the hydraulic oil cylinder (3), the piston plate (45) is in contact with the limiting ring (43) positioned on the left side, the right side of the outer bottom of the liquid guide frame (1) is fixedly connected with the supporting plate (46), an oil pump (47) is fixedly mounted on the upper portion of a support plate (46), a bonding pipe (48) is fixedly connected to the left side of the oil pump (47), the bonding pipe (48) is communicated with a liquid guide frame (1), an electric push rod (49) is fixedly connected to the left side of the support plate (46), the electric push rod (49) is in sliding fit with the liquid guide frame (1), a flow guide piece (410) is fixedly connected to one end of the electric push rod (49), the flow guide piece (410) is in sliding connection with the bonding pipe (48), the flow guide piece (410) is located inside the liquid guide frame (1), the flow guide piece (410) is communicated with the bonding pipe (48), and the flow guide piece (410) is communicated with a curved conveying pipe (42) located on the left side;
the two hard delivery pipes (41) and the oil pump (47) are communicated with a hydraulic oil storage bin, when the sliding rod (44) and the upper device thereof need to be moved by using hydraulic oil, a worker manually controls the oil pump (47) to operate, the oil pump (47) can pump the hydraulic oil, the hydraulic oil can enter the flow guide piece (410), as the flow guide piece (410) is communicated with the curved delivery pipe (42) positioned on the left side, the hydraulic oil can enter the hydraulic oil cylinder (3) through the curved delivery pipe (42) positioned on the left side, the hydraulic oil flows to the right in the hydraulic oil cylinder (3), the piston plate (45) and the upper device thereof can move to the right under the thrust action of the hydraulic oil, the sliding rod (44) and the upper device thereof can also move to the right, the limiting ring (43) limits the piston plate (45), and meanwhile, the hydraulic oil positioned on the right side of the piston plate (45) in the hydraulic oil cylinder (3) can be extruded and flows to the liquid guide frame (1) through the curved delivery pipe (42) positioned on the right side, then the hydraulic oil flows back to the hydraulic oil storage bin through the hard delivery pipe (41) on the right side, if the direction of the hydraulic oil in the hydraulic oil cylinder 3 needs to be changed and the sliding rod (44) and the device on the sliding rod are moved leftwards, a worker manually controls the electric push rod (49) to contract, the electric push rod (49) drives the flow guide piece (410) to move rightwards, so that the flow guide piece (410) is communicated with the curved delivery pipe (42) on the right side, when the oil pump (47) extracts the hydraulic oil again, the hydraulic oil flows to the curved delivery pipe (42) on the right side through the flow guide piece (410) and enters the hydraulic oil cylinder (3), so that the hydraulic oil flows leftwards from the right side, the hydraulic oil pushes the piston plate (45) and the device on the sliding rod (44) to move leftwards and reset, and meanwhile, the hydraulic oil on the left side of the piston plate (45) in the hydraulic oil cylinder (3) is squeezed and flows through the curved delivery pipe (42) on the left side 42) Flows to the liquid guide frame (1), and then the hydraulic oil flows back to the hydraulic oil storage bin through the hard delivery pipe (41) on the left side.
2. The temperature-drop type explosion-proof early-warning hydraulic oil cylinder as claimed in claim 1, wherein the pressure relief component (5) comprises a pressure relief shell (51), a bolt rod (52) and a pressing spring (53), curved plug (54), sealing washer (55) and honeycomb duct (56), the rigid coupling has pressure release shell (51) in the middle of hydraulic cylinder (3) outer wall bottom, pressure release shell (51) communicate with each other with hydraulic cylinder (3), pressure release shell (51) lower part slidingly is connected with shank of bolt (52), shank of bolt (52) upper portion rigid coupling has pressing spring (53), pressing spring (53) keep away from shank of bolt (52) one end rigid coupling and have curved plug (54), curved plug (54) are stopped in hydraulic cylinder (3) bottom, pressure release shell (51) outer bottom rigid coupling has sealing washer (55), sealing washer (55) and shank of bolt (52) slidingly cooperate, it has honeycomb duct (56) to connect jointly between pressure release shell (51) and liquid guide frame (1).
3. The temperature-reduction type explosion-proof early-warning hydraulic oil cylinder as claimed in claim 2, wherein a curved surface is arranged at the upper part of the curved plug (54) and is used for blocking the hydraulic oil cylinder (3) when the pressure in the hydraulic oil cylinder is normal.
4. The temperature-reduction type explosion-proof early-warning hydraulic oil cylinder as claimed in claim 2, wherein the sealing ring (55) is made of rubber and is used for preventing hydraulic oil in the hydraulic oil cylinder (3) from leaking.
5. The temperature-reduction type explosion-proof early-warning hydraulic oil cylinder as claimed in claim 2, wherein the double-pipe heat dissipation component (6) comprises a flow guide sleeve (61), a liquid inlet pipe (62), a liquid discharge pipe (63) and a U-shaped return pipe (64), the flow guide sleeve (61) is fixedly connected to the right portion of the sliding rod (44), the liquid inlet pipe (62) is communicated with the upper portion of the flow guide sleeve (61), the liquid discharge pipe (63) is communicated with the lower portion of the flow guide sleeve (61), a pair of U-shaped return pipes (64) is communicated with the inside of the sliding rod (44), and the U-shaped return pipes (64) are communicated with the flow guide sleeve (61).
6. The temperature-reduction type explosion-proof early-warning hydraulic oil cylinder according to claim 5, characterized by further comprising an explosion-proof part (7), wherein the explosion-proof part (7) is arranged at the upper inner part of the piston plate (45), the explosion-proof part (7) comprises an induction rod (71), a movable rod (72), a return spring (73), a liquid return pipe (74) and an electromagnetic valve (75), the induction rod (71) is fixedly connected to the upper inner part and the lower inner part of the piston plate (45), the upper inner part and the lower inner part of the piston plate (45) are both slidably connected with a pair of movable rods (72), the adjacent movable rods (72) are arranged at the left side and the right side of the induction rod (71), the return spring (73) is connected between the movable rods (72) and the induction rod (71), the liquid return pipe (74) is symmetrically connected to the rear side of the hydraulic oil cylinder (3), the liquid return pipe (74) is connected to the liquid guide frame (1), the electromagnetic valve (75) is fixedly connected to one side of the liquid return pipe (74) close to the hydraulic oil cylinder (3), circular cavities (76) are formed in the upper portion and the lower portion of the piston plate (45), and the sensing rod (71), the movable rod (72) and the return spring (73) are located inside the circular cavities (76).
7. The temperature-drop explosion-proof early-warning hydraulic oil cylinder according to claim 6, characterized by further comprising a warning part (8), wherein the warning part (8) is arranged on the liquid guiding frame (1), the warning part (8) comprises a negative temperature coefficient thermistor plate (81) and a buzzer (82), the negative temperature coefficient thermistor plate (81) is fixedly connected to the lower portion of the outer side of the liquid guiding frame (1), the liquid return pipe (74) is fixedly connected with the negative temperature coefficient thermistor plate (81), and the buzzer (82) is fixedly connected to the front side of the outer portion of the liquid guiding frame (1).
8. The temperature-reduction type explosion-proof early-warning hydraulic oil cylinder according to claim 7 is characterized by further comprising thermal switches (9), wherein the thermal switches (9) are symmetrically and fixedly connected inside the hydraulic oil cylinder (3).
9. The temperature-reduction type explosion-proof early-warning hydraulic oil cylinder according to claim 8, characterized by further comprising a heat-dissipation switching part (10), wherein the heat-dissipation switching part (10) is arranged on the liquid guide frame (1), the heat-dissipation switching part (10) comprises a guide plate (101), a first cooling pipe (102) and a second cooling pipe (103), self priming pump (104), slurcam (105) and compression spring (106), drain frame (1) outside rear side rigid coupling has guide plate (101), guide plate (101) upper portion switch-on has a pair of first cooling tube (102), guide plate (101) lower part switch-on has a pair of second cooling tube (103), guide plate (101) inboard sliding type is connected with self priming pump (104), self priming pump (104) communicate with each other with guide plate (101), self priming pump (104) left side rigid coupling has slurcam (105), be connected with compression spring (106) between self priming pump (104) and guide plate (101).
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Effective date of registration: 20240123 Address after: 311400 Industrial Community, Lishan Town, Fuyang District, Hangzhou City, Zhejiang Province Patentee after: ZHEJIANG YIMING PACKAGING PRINTING Co.,Ltd. Guo jiahuodiqu after: Zhong Guo Address before: 310000 1st floor, No. 10, Xindian Village, Xintong Township, Fuyang District, Hangzhou City, Zhejiang Province Patentee before: Hangzhou Qiantai Hardware Machinery Manufacturing Co.,Ltd. Guo jiahuodiqu before: Zhong Guo |