CN111558917B - Oil cylinder disassembling, maintaining and assembling workbench - Google Patents
Oil cylinder disassembling, maintaining and assembling workbench Download PDFInfo
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- CN111558917B CN111558917B CN202010403611.6A CN202010403611A CN111558917B CN 111558917 B CN111558917 B CN 111558917B CN 202010403611 A CN202010403611 A CN 202010403611A CN 111558917 B CN111558917 B CN 111558917B
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- center frame
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- centering center
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/14—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for adjusting the bench top
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/56—Reuse, recycling or recovery technologies of vehicles
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Abstract
The invention discloses an oil cylinder disassembly maintenance and assembly workbench, belonging to the technical field of oil cylinder disassembly maintenance and assembly workbench; the technical problems to be solved are as follows: the improvement of the hardware structure of the oil cylinder disassembly maintenance and assembly workbench is provided; the technical scheme adopted for solving the technical problems is as follows: a base is arranged at the bottom of the mounting workbench surface, a first fixed workbench and a second fixed workbench are arranged at two ends of the base, and a plurality of fixed holes are formed in the second fixed workbench at equal intervals; the mounting workbench surface is also provided with a guide rail, the guide rail is provided with a first movable workbench and a second movable workbench, and the second movable workbench is provided with a plurality of fixing holes at equal intervals; the first fixed workbench and the second fixed workbench are movably provided with a combined clamp, and a cylinder barrel base of a first driving oil cylinder is arranged on the combined clamp; a first hydraulic self-centering center frame is movably arranged on the second fixed workbench; the oil cylinder disassembly workbench is applied to oil cylinder disassembly.
Description
Technical Field
The invention discloses an oil cylinder disassembly maintenance and assembly workbench, and belongs to the technical field of oil cylinder disassembly maintenance and assembly workbench.
Background
The oil cylinder is used as a conventional power element commonly used at present, is widely applied to the fields of cranes, jacking devices, mine roadway support, complete equipment use and the like, and the safety and the reliability of the oil cylinder are directly related to the safety of operation equipment and operation personnel, so that the maintenance and the repair of the oil cylinder have become important points of the maintenance and the repair of the whole equipment product. At present, for oil cylinder production enterprises, the oil cylinder is repaired, disassembled and assembled, and different parts in the oil cylinder are disassembled one by one at different stations and then overhauled and assembled, so that the scheduling and transferring processes of various parts and accessories of the oil cylinder are complicated, the time is wasted, the efficiency is low, meanwhile, the stable test and the leakage test are realized by means of special detection tools, and the resource waste and the low working efficiency are caused.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and solves the technical problems that: the hardware structure of the oil cylinder disassembly maintenance and assembly workbench is improved.
In order to solve the technical problems, the invention adopts the following technical scheme: the oil cylinder disassembling, maintaining and assembling workbench comprises an installation workbench surface, wherein a base is arranged at the bottom of the installation workbench surface, a first fixed workbench and a second fixed workbench are arranged at two ends of the base, and a plurality of fixing holes are formed in the second fixed workbench at equal intervals;
the mounting workbench surface is also provided with a guide rail, the guide rail is provided with a first movable workbench and a second movable workbench, and the second movable workbench is provided with a plurality of fixed holes at equal intervals;
the combined clamp on one side of the first fixed workbench is provided with a cylinder barrel base of a first driving oil cylinder, and the combined clamp on one side of the second fixed workbench is provided with a cylinder barrel of an oil cylinder to be maintained and disassembled or newly assembled;
a first hydraulic self-centering center frame is movably arranged on the second fixed workbench;
a second hydraulic self-centering center frame is movably arranged on the first movable workbench;
a third hydraulic self-centering center frame and a fourth hydraulic self-centering center frame are movably arranged on the second movable workbench;
the second movable workbench is also connected with a second fixed workbench through a second driving oil cylinder;
the hydraulic control system is characterized in that a pump station is further arranged on one side of the installation workbench surface, a control cabinet is arranged on one side of the pump station, and a pump station motor and a hydraulic electromagnetic valve are arranged in the pump station.
The control cabinet is provided with a control panel, and the control panel is provided with a power switch SA1, an emergency stop switch SB1, a first driving oil cylinder action switch SA3, a second driving oil cylinder action switch SA4, a first hydraulic self-centering center frame action switch SA5, a second hydraulic self-centering center frame action switch SA6, a third hydraulic self-centering center frame action switch SA7, a fourth hydraulic self-centering center frame action switch SA8 and an oil cylinder test action switch SA9;
the power switch SA1 is connected with the emergency stop switch SB1 to form a starting switch, the inlet wire end of the starting switch is connected with an alternating current power supply, the outlet wire end of the starting switch is connected with the inlet wire end of the alternating current contactor coil KM0, the linkage contact of the alternating current contactor coil KM0 is a normally open contact KM0.1, and the inlet wire end of the starting switch is connected with the inlet wire end of the normally open contact KM 0.1;
the wire outlet end of the normally open contact KM0.1 is connected with the input end of the direct current power supply;
the output end of the direct current power supply is sequentially connected with a first driving oil cylinder control loop, a second driving oil cylinder control loop, a first hydraulic self-centering center frame control loop, a second hydraulic self-centering center frame control loop, a third hydraulic self-centering center frame control loop and a fourth hydraulic self-centering center frame control loop in parallel, and then is connected with the inlet wire end of the oil cylinder test control loop.
The hydraulic solenoid valves DT1-DT14 are arranged in the first driving oil cylinder control loop, the second driving oil cylinder control loop, the first hydraulic self-centering center frame control loop, the second hydraulic self-centering center frame control loop, the third hydraulic self-centering center frame control loop, the fourth hydraulic self-centering center frame control loop and the oil cylinder test control loop;
the inlet wire end of the first driving oil cylinder control loop is connected with the input end of the first driving oil cylinder action switch SA3, one output end of the first driving oil cylinder action switch SA3 is connected with the hydraulic electromagnetic valve DT1 in series and then connected with the direct current power supply 0V end, and the other output end of the first driving oil cylinder action switch SA3 is connected with the hydraulic electromagnetic valve DT2 in series and then connected with the direct current power supply 0V end;
the inlet end of the second driving oil cylinder control loop is connected with the input end of the second driving oil cylinder action switch SA4, one output end of the second driving oil cylinder action switch SA4 is connected with the hydraulic electromagnetic valve DT3 in series and then is connected with the direct current power supply 0V end, and the other output end of the second driving oil cylinder action switch SA4 is connected with the hydraulic electromagnetic valve DT4 in series and then is connected with the direct current power supply 0V end;
the wire inlet end of the first hydraulic self-centering center frame control loop is connected with the input end of a first hydraulic self-centering center frame action switch SA5, one output end of the first hydraulic self-centering center frame action switch SA5 is connected with a hydraulic electromagnetic valve DT5 in series and then connected with a direct current power supply 0V end, and the other output end of the first hydraulic self-centering center frame action switch SA5 is connected with a hydraulic electromagnetic valve DT6 in series and then connected with the direct current power supply 0V end;
the wire inlet end of the second hydraulic self-centering center frame control loop is connected with the input end of a second hydraulic self-centering center frame action switch SA6, one output end of the second hydraulic self-centering center frame action switch SA6 is connected with a hydraulic electromagnetic valve DT7 in series and then connected with a direct current power supply 0V end, and the other output end of the second hydraulic self-centering center frame action switch SA6 is connected with a hydraulic electromagnetic valve DT8 in series and then connected with the direct current power supply 0V end;
the wire inlet end of the third hydraulic self-centering center frame control loop is connected with the input end of a third hydraulic self-centering center frame action switch SA7, one output end of the third hydraulic self-centering center frame action switch SA7 is connected with a hydraulic electromagnetic valve DT9 in series and then connected with a direct current power supply 0V end, and the other output end of the third hydraulic self-centering center frame action switch SA7 is connected with a hydraulic electromagnetic valve DT10 in series and then connected with the direct current power supply 0V end;
the wire inlet end of the fourth hydraulic self-centering center frame control loop is connected with the input end of a fourth hydraulic self-centering center frame action switch SA8, one output end of the fourth hydraulic self-centering center frame action switch SA8 is connected with a hydraulic electromagnetic valve DT11 in series and then connected with a direct current power supply 0V end, and the other output end of the fourth hydraulic self-centering center frame action switch SA8 is connected with a hydraulic electromagnetic valve DT12 in series and then connected with the direct current power supply 0V end;
the inlet wire end of the oil cylinder test control loop is connected with the input end of the oil cylinder test action switch SA9, one output end of the oil cylinder test action switch SA9 is connected with the hydraulic electromagnetic valve DT13 in series and then connected with the direct current power supply 0V end, and the other output end of the oil cylinder test action switch SA9 is connected with the hydraulic electromagnetic valve DT14 in series and then connected with the direct current power supply 0V end.
A pump station motor control circuit is further arranged in the control cabinet, a pump station starting switch SA2, a protection switch QL1 and a relay coil KM1 are arranged in the pump station motor control circuit, and a linkage contact of the relay coil KM1 is a normally open contact KM1.1;
the pump station starting switch SA2 is connected with the relay coil KM1 to form a pump station starting switch, and the inlet end of the pump station starting switch is connected with the outlet end of the normally open contact KM 0.1;
the outgoing line end of the normally open contact KM0.1 is further connected with the incoming line end of the protection switch QL1, and the outgoing line end of the protection switch QL1 is connected with the control end of the pump station motor after being connected with the normally open contact KM1.1 in series.
Compared with the prior art, the invention has the following beneficial effects: the invention adopts two fixed working tables arranged on the same base and two movable working tables arranged on the guide rail to place the oil cylinder which is maintained or assembled or tested, and the oil cylinder which is maintained or assembled or tested is fixed through the combined clamp and the hydraulic self-centering center frame which are arranged on the fixed working tables and the movable working tables; the combined clamp and the hydraulic self-centering center frame can be respectively arranged on two fixed platforms and the movable workbench according to actual use requirements, and can be used for carrying out operations such as assembling of piston rods of different types of oil cylinders, assembling of the oil cylinders, disassembling of the oil cylinders and the like, and can adapt to the assembling requirements of various oil cylinders in a large scale, and the combined clamp is simple in structure and high in efficiency.
Drawings
The invention is described in further detail below with reference to the accompanying drawings:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a diagram of a pump station motor and power circuit of the present invention;
FIG. 4 is a circuit diagram of an operation control loop of the present invention;
in the figure: the hydraulic self-centering device comprises a mounting workbench surface 1, a base 2, a first fixed workbench 3, a second fixed workbench 4, a guide rail 5, a first movable workbench 6, a second movable workbench 7, a combined clamp 8, a first driving oil cylinder 9, a cylinder barrel base 10, a first hydraulic self-centering center frame 11, a second hydraulic self-centering center frame 12, a third hydraulic self-centering center frame 13, a fourth hydraulic self-centering center frame 14, a second driving oil cylinder 15, a pump station 16, a control cabinet 17 and a hydraulic electromagnetic valve 18.
Detailed Description
As shown in fig. 1 to 4, the oil cylinder disassembly maintenance and assembly workbench comprises a mounting workbench surface 1, wherein a base 2 is arranged at the bottom of the mounting workbench surface 1, a first fixed workbench 3 and a second fixed workbench 4 are arranged at two ends of the base 2, and a plurality of fixing holes are formed in the second fixed workbench 4 at equal intervals;
the mounting workbench surface 1 is also provided with a guide rail 5, the guide rail 5 is provided with a first movable workbench 6 and a second movable workbench 7, and the second movable workbench 7 is provided with a plurality of fixed holes at equal intervals;
the combined clamp 8 is movably arranged on the first fixed workbench 3 and the second fixed workbench 4, a cylinder barrel base 10 of a first driving oil cylinder 9 is arranged on the combined clamp 8 on one side of the first fixed workbench 3, and a cylinder barrel of an oil cylinder to be maintained, disassembled or newly assembled is arranged on the combined clamp 8 on one side of the second fixed workbench 4;
a first hydraulic self-centering center frame 11 is movably arranged on the second fixed workbench 4;
a second hydraulic self-centering center frame 12 is movably arranged on the first movable workbench 6;
a third hydraulic self-centering center frame 13 and a fourth hydraulic self-centering center frame 14 are movably arranged on the second movable workbench 7;
the second movable workbench 7 is also connected with the second fixed workbench 4 through a second driving oil cylinder 15;
one side of the installation workbench surface 1 is further provided with a pump station 16, one side of the pump station 16 is provided with a control cabinet 17, and a pump station motor and a hydraulic electromagnetic valve 18 are arranged inside the pump station 16.
The control cabinet 17 is provided with a control panel, and the control panel is provided with a power switch SA1, a sudden stop switch SB1, a first driving oil cylinder action switch SA3, a second driving oil cylinder action switch SA4, a first hydraulic self-centering center frame action switch SA5, a second hydraulic self-centering center frame action switch SA6, a third hydraulic self-centering center frame action switch SA7, a fourth hydraulic self-centering center frame action switch SA8 and an oil cylinder test action switch SA9;
the power switch SA1 is connected with the emergency stop switch SB1 to form a starting switch, the inlet wire end of the starting switch is connected with an alternating current power supply, the outlet wire end of the starting switch is connected with the inlet wire end of the alternating current contactor coil KM0, the linkage contact of the alternating current contactor coil KM0 is a normally open contact KM0.1, and the inlet wire end of the starting switch is connected with the inlet wire end of the normally open contact KM 0.1;
the wire outlet end of the normally open contact KM0.1 is connected with the input end of the direct current power supply;
the output end of the direct current power supply is sequentially connected with a first driving oil cylinder control loop, a second driving oil cylinder control loop, a first hydraulic self-centering center frame control loop, a second hydraulic self-centering center frame control loop, a third hydraulic self-centering center frame control loop and a fourth hydraulic self-centering center frame control loop in parallel, and then is connected with the inlet wire end of the oil cylinder test control loop.
The hydraulic solenoid valves DT1-DT14 are arranged in the first driving oil cylinder control loop, the second driving oil cylinder control loop, the first hydraulic self-centering center frame control loop, the second hydraulic self-centering center frame control loop, the third hydraulic self-centering center frame control loop, the fourth hydraulic self-centering center frame control loop and the oil cylinder test control loop;
the inlet wire end of the first driving oil cylinder control loop is connected with the input end of the first driving oil cylinder action switch SA3, one output end of the first driving oil cylinder action switch SA3 is connected with the hydraulic electromagnetic valve DT1 in series and then connected with the direct current power supply 0V end, and the other output end of the first driving oil cylinder action switch SA3 is connected with the hydraulic electromagnetic valve DT2 in series and then connected with the direct current power supply 0V end;
the inlet end of the second driving oil cylinder control loop is connected with the input end of the second driving oil cylinder action switch SA4, one output end of the second driving oil cylinder action switch SA4 is connected with the hydraulic electromagnetic valve DT3 in series and then is connected with the direct current power supply 0V end, and the other output end of the second driving oil cylinder action switch SA4 is connected with the hydraulic electromagnetic valve DT4 in series and then is connected with the direct current power supply 0V end;
the wire inlet end of the first hydraulic self-centering center frame control loop is connected with the input end of a first hydraulic self-centering center frame action switch SA5, one output end of the first hydraulic self-centering center frame action switch SA5 is connected with a hydraulic electromagnetic valve DT5 in series and then connected with a direct current power supply 0V end, and the other output end of the first hydraulic self-centering center frame action switch SA5 is connected with a hydraulic electromagnetic valve DT6 in series and then connected with the direct current power supply 0V end;
the wire inlet end of the second hydraulic self-centering center frame control loop is connected with the input end of a second hydraulic self-centering center frame action switch SA6, one output end of the second hydraulic self-centering center frame action switch SA6 is connected with a hydraulic electromagnetic valve DT7 in series and then connected with a direct current power supply 0V end, and the other output end of the second hydraulic self-centering center frame action switch SA6 is connected with a hydraulic electromagnetic valve DT8 in series and then connected with the direct current power supply 0V end;
the wire inlet end of the third hydraulic self-centering center frame control loop is connected with the input end of a third hydraulic self-centering center frame action switch SA7, one output end of the third hydraulic self-centering center frame action switch SA7 is connected with a hydraulic electromagnetic valve DT9 in series and then connected with a direct current power supply 0V end, and the other output end of the third hydraulic self-centering center frame action switch SA7 is connected with a hydraulic electromagnetic valve DT10 in series and then connected with the direct current power supply 0V end;
the wire inlet end of the fourth hydraulic self-centering center frame control loop is connected with the input end of a fourth hydraulic self-centering center frame action switch SA8, one output end of the fourth hydraulic self-centering center frame action switch SA8 is connected with a hydraulic electromagnetic valve DT11 in series and then connected with a direct current power supply 0V end, and the other output end of the fourth hydraulic self-centering center frame action switch SA8 is connected with a hydraulic electromagnetic valve DT12 in series and then connected with the direct current power supply 0V end;
the inlet wire end of the oil cylinder test control loop is connected with the input end of the oil cylinder test action switch SA9, one output end of the oil cylinder test action switch SA9 is connected with the hydraulic electromagnetic valve DT13 in series and then connected with the direct current power supply 0V end, and the other output end of the oil cylinder test action switch SA9 is connected with the hydraulic electromagnetic valve DT14 in series and then connected with the direct current power supply 0V end.
A pump station motor control circuit is further arranged in the control cabinet 17, a pump station starting switch SA2, a protection switch QL1 and a relay coil KM1 are arranged in the pump station motor control circuit, and a linkage contact of the relay coil KM1 is a normally open contact KM1.1;
the pump station starting switch SA2 is connected with the relay coil KM1 to form a pump station starting switch, and the inlet end of the pump station starting switch is connected with the outlet end of the normally open contact KM 0.1;
the outgoing line end of the normally open contact KM0.1 is further connected with the incoming line end of the protection switch QL1, and the outgoing line end of the protection switch QL1 is connected with the control end of the pump station motor after being connected with the normally open contact KM1.1 in series.
The embodiment of the oil cylinder disassembly maintenance and assembly workbench is shown in fig. 1 and 2, and comprises two fixed workbenches arranged on a base of an installation workbench surface and two movable workbenches arranged on a guide rail, wherein a combined clamp is further arranged on the first fixed workbench and is used for pulling or pushing a cylinder barrel base of a first driving oil cylinder of a maintained oil cylinder or a newly assembled oil cylinder piston rod in the process of disassembling and assembling the fixed oil cylinder; the second fixed workbench is provided with a combined clamp and a first hydraulic self-centering center frame, and is used for installing a cylinder barrel of a repaired and disassembled or newly assembled oil cylinder; the first movable workbench is provided with a second hydraulic self-centering center frame and is used for fixing a cylinder barrel of the first driving oil cylinder; the second movable workbench is provided with a third hydraulic self-centering center frame and a fourth hydraulic self-centering center frame and is used for fixing a piston rod of a maintained oil cylinder or a newly assembled oil cylinder, the movement of the second movable workbench is realized through a second driving oil cylinder, and the second driving oil cylinder is arranged on a guide rail of one side of the second movable workbench, which is close to the second fixed workbench, and is connected with the second movable workbench; the hydraulic self-centering center frame has high coaxial positioning precision and repeated positioning precision, and can ensure that the clamping coaxiality precision of the four hydraulic self-centering center frames meets the assembly requirement of the oil cylinder.
The hydraulic self-centering hydraulic test system is characterized in that a pump station is further arranged on one side of the installation workbench, a control cabinet is further arranged on the pump station, a power control circuit shown in fig. 3 and a motion control circuit shown in fig. 4 are arranged in the control cabinet, a control panel is arranged on the surface of the control cabinet, and a power switch SA1, an emergency stop switch SB1, a pump station starting switch SA2, a first driving oil cylinder motion switch SA3, a second driving oil cylinder motion switch SA4, a first hydraulic self-centering center frame motion switch SA5, a second hydraulic self-centering center frame motion switch SA6, a third hydraulic self-centering center frame motion switch SA7, a fourth hydraulic self-centering center frame motion switch SA8 and an oil cylinder test motion switch SA9 of the whole system are arranged on the control panel.
When the oil cylinder is maintained, the oil cylinder is required to be disassembled, at the moment, the maintained oil cylinder is fixed on a second fixed workbench through a combined clamp and a first hydraulic self-centering center frame, a first driving oil cylinder action switch SA3 controls a hydraulic electromagnetic valve DT1 to be connected so as to control a piston rod of the first driving oil cylinder to extend, a piston rod trunnion is connected with the piston rod trunnion to be maintained through an oil cylinder auxiliary connector, a guide sleeve of the maintained oil cylinder is loosened, at the moment, a cylinder cover is required to be paid attention to, the oil cylinder guide sleeve is required to be loosened and removed from the cylinder barrel according to different oil cylinders, and the first driving oil cylinder action switch SA3 controls the hydraulic electromagnetic valve DT2 to be connected so as to control the piston rod of the first driving oil cylinder to be retracted, so that the piston rod of the maintained oil cylinder is pulled to know that the piston of the maintained oil cylinder exits the cylinder barrel; and starting a third hydraulic self-centering center frame action switch SA7 and a fourth hydraulic self-centering center frame action switch SA8 to connect the hydraulic solenoid valve DT10 and the hydraulic solenoid valve DT12, controlling the third hydraulic self-centering center frame and the fourth hydraulic self-centering center frame to clamp a piston rod of a maintained oil cylinder, loosening the connection of a trunnion of the maintained oil cylinder and an auxiliary connector of the oil cylinder, overhauling the maintained sealing element, cleaning the cylinder barrel and the piston rod after the overhauling is finished, and removing impurities.
After the maintenance of the maintained oil cylinder is completed, the maintained oil cylinder needs to be reassembled, a protective sleeve is firstly installed at the opening of the cylinder barrel of the maintained oil cylinder, a second driving oil cylinder action switch SA4 is started to control a hydraulic solenoid valve DT4 to retract, a second movable workbench is driven to approach to a second fixed workbench until a piston of the maintained oil cylinder enters the opening of the cylinder barrel of the maintained oil cylinder, the protective sleeve is removed, the second driving oil cylinder is continuously controlled to retract to enable the second movable workbench to move until the position of a retainer ring of the guide sleeve enters the cylinder barrel, a guide sleeve is manually controlled to install, at the moment, a cylinder cover needs to be noticed, the assembly is required according to different oil cylinders, after all installation processes are completed, a third hydraulic self-centering center frame action switch SA7 and a fourth hydraulic self-centering center frame action switch SA8 are started to switch on a hydraulic solenoid valve DT9 and a hydraulic solenoid valve DT11, so that a piston rod is controlled to be loosened by the third hydraulic self-centering center frame and the fourth hydraulic self-centering center frame, two oil path interfaces of the oil cylinder are connected with a hydraulic reversing valve through an oil pipe, the hydraulic reversing valve is started, the hydraulic valve DT13 or the hydraulic solenoid valve DT14 is continuously controlled to move until the position of the guide sleeve is entered, the guide sleeve retainer ring is controlled, the cylinder test sleeve is controlled to stably, whether the cylinder action parameters are required to be stably controlled, and whether the cylinder parameters are required to be repeatedly unloaded after all the cylinder operation parameters are unloaded, if the cylinder parameters are required to be repeatedly unloaded, and the technical problems are solved, and the problems are solved.
When a new oil cylinder is assembled, a base of a cylinder barrel of the new oil cylinder is arranged on a combined clamp of a second fixed workbench, the position of a first hydraulic self-centering center frame on the second fixed workbench is adjusted to the position of an excircle positioning belt of an assembled cylinder barrel, a first hydraulic self-centering center frame action switch SA5 is started to be connected with a hydraulic electromagnetic valve DT6 to clamp the assembled cylinder barrel, a piston rod of the assembled cylinder is arranged on a third hydraulic self-centering center frame and a control fourth hydraulic self-centering center frame on a second movable workbench 7, a third hydraulic self-centering center frame action switch SA7 and a fourth hydraulic self-centering center frame action switch SA8 are started to be connected with a hydraulic electromagnetic valve DT10 and a hydraulic electromagnetic valve DT12 to clamp the piston rod of the assembled cylinder; during installation, firstly, a trunnion of a piston rod and accessories thereof are installed, the cylinder cover is required to be installed firstly because of cylinder covers of cylinders with different structures, a guide sleeve with a dust ring, a B3 piston rod sealing element, a piston rod wear-resisting ring, a 0D piston rod sealing element, an O-shaped sealing ring and a retainer ring is installed on the piston rod, then, a piston with a combined sealing element is installed on a piston rod head, and the piston rod head is fixed through a piston head fixing element, so that a protective sleeve is installed at the opening of a cylinder barrel; the hydraulic solenoid valve DT4 is controlled by the second driving cylinder action switch SA4 to shrink, the second movable workbench is driven to approach the second fixed workbench, the piston head on the rod head of the piston rod enters the cylinder barrel through the protective sleeve, the piston head is guided specifically through the horn mouth, damage to the piston head sealing element is prevented, the guide sleeve is manually installed until the position of the guide sleeve check ring enters the cylinder barrel, the cylinder cover is manually installed by the cylinder with the guide sleeve fixed by the cylinder cover, after all the installation is completed, the hydraulic solenoid valve DT9 and the hydraulic solenoid valve DT11 are switched on by the third hydraulic self-centering center frame action switch SA7 and the fourth hydraulic self-centering center frame action switch SA8, so that the hydraulic self-centering center frame and the fourth hydraulic self-centering center frame are controlled to loosen the piston rod, two oil way interfaces of the cylinder are connected with the hydraulic reversing valve through the oil pipe, the cylinder testing action switch SA9 is started to switch on the hydraulic reversing valve DT13 or the hydraulic solenoid valve DT14, the cylinder testing action switch SA9 is controlled to control the cylinder rod telescoping action of the cylinder rod to observe whether the cylinder rod is stable, whether the oil leaks at all the interface parts, after all the technical parameters are met, the technical parameters are released, the cylinder barrel is unloaded, and if the technical parameters are in time, the problem is solved, and the cylinder barrel is not unloaded after the test process is repeated.
The invention uses the cylinder piston rod to install the trunnion for fixed connection, the piston which pushes the piston rod to move, wherein the piston is connected and fixed with the piston rod through the fixing piece, the different cylinder fixing modes are different, the piston rod movement guiding and cylinder barrel sealing guiding sleeve is carried out, the different cylinder structures are different, the guide sleeve is different from the cylinder barrel in connection and fixation mode, the protection sleeve is used for an auxiliary device for installing a protector sealing element when the piston enters the cylinder barrel, the protection sleeve is taken down after the piston enters the cylinder barrel, and the oil cylinder auxiliary connector is used for connecting a trunnion of a first driving oil cylinder with a trunnion of a maintained or assembled oil cylinder to drag a piston rod of the maintained oil cylinder or the assembled oil cylinder.
The invention is also provided with a pump station for providing power for the oil cylinder dismantling maintenance and assembly workbench and testing oil, the pump station is provided with a control cabinet for realizing the electrical control of the whole system, all electric control elements are arranged on the control cabinet, and a protection switch QL0 is connected with an external power supply inlet wire to provide protection for overload or short-circuit fault of the power supply; the phase sequence relay KA1 is also arranged on the power supply control circuit, so that the phase loss and phase sequence protection can be carried out on the power supply, the rotation direction of the motor is ensured to be consistent with the requirement, and meanwhile, the motor operation fault or damage caused by the phase loss fault is avoided; SA1 is a power switch, the power switch SA1 is turned on, the relay coil KM0 is electrified, the normally open contact KM0.1 is closed, and the system is electrified; SB1 is an emergency stop switch, and when the system is in an emergency state or fails, the SB1 emergency stop switch can be taken down to realize the power-off of the system; SA2 is a pump station starting switch, SA2 is closed, a relay coil KM1 is electrified, a normally open contact KM1.1 is closed, and a pump station motor M1 is started; the DC24V power supply provides DC24V power for the motion control circuit.
The control panel is provided with an action control switch, wherein the SA3 control switch controls the hydraulic solenoid valves DT1 and DT2 to realize the telescopic movement of the piston rod of the first driving oil cylinder, and the first driving oil cylinder drives the piston rod of the maintained or assembled oil cylinder to carry out the telescopic movement; SA4 controls the switch to control the hydraulic solenoid valves DT3 and DT4 to realize the telescopic movement of the piston rod of the second driving oil cylinder of the second movable workbench, thereby realizing the front-back movement of the second movable workbench; SA5 controls the switch to control the hydraulic solenoid valves DT5 and DT6 to realize that the first hydraulic self-centering center frame is loosened or clamped or the cylinder barrel of the oil cylinder is maintained or assembled, so that the coaxiality positioning precision and the repetition precision requirements of the oil cylinder are met; SA6 controls the switch to control the hydraulic solenoid valves DT7 and DT8 to realize that the second hydraulic self-centering center frame loosens or clamps the cylinder barrel of the first driving oil cylinder, so that the coaxiality positioning precision and the repetition precision requirements of the first driving oil cylinder and the assembled and maintained oil cylinder are met; the SA7 control switch controls the hydraulic solenoid valves DT9 and DT10 to realize the action of loosening or clamping the piston rods of the assembled or maintained oil cylinders by the third hydraulic self-centering center frame, so as to meet the requirements of coaxiality positioning precision and repeated positioning precision of the cylinder barrels and the piston rods of the assembled and maintained oil cylinders; SA8 controls the switch to control the hydraulic solenoid valves DT11 and DT12 to realize the action of loosening or clamping the piston rods of the assembled and maintained oil cylinders by the fourth hydraulic self-centering center frame, thereby meeting the requirements of coaxiality positioning precision and repeated positioning precision of the cylinder rods of the assembled and maintained oil cylinders; SA9 control switch control hydraulic solenoid valves DT13, DT14 realize the telescopic action of the assembled and maintained cylinder piston rod.
The invention is mainly applied to a working platform for disassembling, maintaining and assembling the oil cylinder, can disassemble the oil cylinder during maintenance of the oil cylinder and assemble parts of the oil cylinder, and can load and test whether the operation of the oil cylinder is stable or not after maintenance or the newly assembled oil cylinder; the hydraulic self-centering center frame is utilized to realize coaxiality positioning and repeated positioning requirements of the oil cylinder and the cylinder barrel; the first driving oil cylinder is utilized to draw for telescopic movement and disassembly of a piston rod of a maintained oil cylinder; the movable platform moves back and forth through the second driving oil cylinder, so that the assembly of the piston rod and the cylinder barrel is realized, and the clamping and the assembly are completed once.
The specific structure of the invention needs to be described that the connection relation between the component modules adopted by the invention is definite and realizable, and besides the specific description in the embodiment, the specific connection relation can bring corresponding technical effects, and solves the technical problems of the invention on the premise of not depending on the execution of corresponding software programs.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (4)
1. The oil cylinder disassembly maintenance and assembly workbench comprises an installation workbench surface (1), and is characterized in that: the bottom of the mounting workbench surface (1) is provided with a base (2), two ends of the base (2) are provided with a first fixed workbench (3) and a second fixed workbench (4), and a plurality of fixing holes are formed in the second fixed workbench (4) at equal intervals;
the mounting workbench surface (1) is further provided with a guide rail (5), the guide rail (5) is provided with a first movable workbench (6) and a second movable workbench (7), and the second movable workbench (7) is provided with a plurality of fixing holes at equal intervals;
the combined clamp (8) is movably arranged on the first fixed workbench (3) and the second fixed workbench (4), a cylinder barrel base (10) of a first driving oil cylinder (9) is arranged on the combined clamp (8) on one side of the first fixed workbench (3), and a cylinder barrel of an oil cylinder to be maintained, disassembled or newly assembled is arranged on the combined clamp (8) on one side of the second fixed workbench (4);
a first hydraulic self-centering center frame (11) is movably arranged on the second fixed workbench (4);
a second hydraulic self-centering center frame (12) is movably arranged on the first movable workbench (6);
a third hydraulic self-centering center frame (13) and a fourth hydraulic self-centering center frame (14) are movably arranged on the second movable workbench (7);
the second movable workbench (7) is also connected with the second fixed workbench (4) through a second driving oil cylinder (15);
one side of the installation workbench surface (1) is further provided with a pump station (16), one side of the pump station (16) is provided with a control cabinet (17), and a pump station motor and a hydraulic electromagnetic valve (18) are arranged inside the pump station (16).
2. The cylinder disassembly repair and assembly station of claim 1, wherein: a control panel is arranged on the control cabinet (17), and a power switch SA1, a sudden stop switch SB1, a first driving oil cylinder action switch SA3, a second driving oil cylinder action switch SA4, a first hydraulic self-centering center frame action switch SA5, a second hydraulic self-centering center frame action switch SA6, a third hydraulic self-centering center frame action switch SA7, a fourth hydraulic self-centering center frame action switch SA8 and an oil cylinder test action switch SA9 are arranged on the control panel;
the power switch SA1 is connected with the emergency stop switch SB1 to form a starting switch, the inlet wire end of the starting switch is connected with an alternating current power supply, the outlet wire end of the starting switch is connected with the inlet wire end of the alternating current contactor coil KM0, the linkage contact of the alternating current contactor coil KM0 is a normally open contact KM0.1, and the inlet wire end of the starting switch is connected with the inlet wire end of the normally open contact KM 0.1;
the wire outlet end of the normally open contact KM0.1 is connected with the input end of the direct current power supply;
the output end of the direct current power supply is sequentially connected with a first driving oil cylinder control loop, a second driving oil cylinder control loop, a first hydraulic self-centering center frame control loop, a second hydraulic self-centering center frame control loop, a third hydraulic self-centering center frame control loop and a fourth hydraulic self-centering center frame control loop in parallel, and then is connected with the inlet wire end of the oil cylinder test control loop.
3. The cylinder disassembly repair and assembly station of claim 2, wherein: the hydraulic solenoid valves DT1-DT14 are arranged in the first driving oil cylinder control loop, the second driving oil cylinder control loop, the first hydraulic self-centering center frame control loop, the second hydraulic self-centering center frame control loop, the third hydraulic self-centering center frame control loop, the fourth hydraulic self-centering center frame control loop and the oil cylinder test control loop;
the inlet wire end of the first driving oil cylinder control loop is connected with the input end of the first driving oil cylinder action switch SA3, one output end of the first driving oil cylinder action switch SA3 is connected with the hydraulic electromagnetic valve DT1 in series and then connected with the direct current power supply 0V end, and the other output end of the first driving oil cylinder action switch SA3 is connected with the hydraulic electromagnetic valve DT2 in series and then connected with the direct current power supply 0V end;
the inlet end of the second driving oil cylinder control loop is connected with the input end of the second driving oil cylinder action switch SA4, one output end of the second driving oil cylinder action switch SA4 is connected with the hydraulic electromagnetic valve DT3 in series and then is connected with the direct current power supply 0V end, and the other output end of the second driving oil cylinder action switch SA4 is connected with the hydraulic electromagnetic valve DT4 in series and then is connected with the direct current power supply 0V end;
the wire inlet end of the first hydraulic self-centering center frame control loop is connected with the input end of a first hydraulic self-centering center frame action switch SA5, one output end of the first hydraulic self-centering center frame action switch SA5 is connected with a hydraulic electromagnetic valve DT5 in series and then connected with a direct current power supply 0V end, and the other output end of the first hydraulic self-centering center frame action switch SA5 is connected with a hydraulic electromagnetic valve DT6 in series and then connected with the direct current power supply 0V end;
the wire inlet end of the second hydraulic self-centering center frame control loop is connected with the input end of a second hydraulic self-centering center frame action switch SA6, one output end of the second hydraulic self-centering center frame action switch SA6 is connected with a hydraulic electromagnetic valve DT7 in series and then connected with a direct current power supply 0V end, and the other output end of the second hydraulic self-centering center frame action switch SA6 is connected with a hydraulic electromagnetic valve DT8 in series and then connected with the direct current power supply 0V end;
the wire inlet end of the third hydraulic self-centering center frame control loop is connected with the input end of a third hydraulic self-centering center frame action switch SA7, one output end of the third hydraulic self-centering center frame action switch SA7 is connected with a hydraulic electromagnetic valve DT9 in series and then connected with a direct current power supply 0V end, and the other output end of the third hydraulic self-centering center frame action switch SA7 is connected with a hydraulic electromagnetic valve DT10 in series and then connected with the direct current power supply 0V end;
the wire inlet end of the fourth hydraulic self-centering center frame control loop is connected with the input end of a fourth hydraulic self-centering center frame action switch SA8, one output end of the fourth hydraulic self-centering center frame action switch SA8 is connected with a hydraulic electromagnetic valve DT11 in series and then connected with a direct current power supply 0V end, and the other output end of the fourth hydraulic self-centering center frame action switch SA8 is connected with a hydraulic electromagnetic valve DT12 in series and then connected with the direct current power supply 0V end;
the inlet wire end of the oil cylinder test control loop is connected with the input end of the oil cylinder test action switch SA9, one output end of the oil cylinder test action switch SA9 is connected with the hydraulic electromagnetic valve DT13 in series and then connected with the direct current power supply 0V end, and the other output end of the oil cylinder test action switch SA9 is connected with the hydraulic electromagnetic valve DT14 in series and then connected with the direct current power supply 0V end.
4. A cylinder dismantling maintenance and assembly station as claimed in claim 3 wherein: a pump station motor control circuit is further arranged in the control cabinet (17), a pump station starting switch SA2, a protection switch QL1 and a relay coil KM1 are arranged in the pump station motor control circuit, and a linkage contact of the relay coil KM1 is a normally open contact KM1.1;
the pump station starting switch SA2 is connected with the relay coil KM1 to form a pump station starting switch, and the inlet end of the pump station starting switch is connected with the outlet end of the normally open contact KM 0.1;
the outgoing line end of the normally open contact KM0.1 is further connected with the incoming line end of the protection switch QL1, and the outgoing line end of the protection switch QL1 is connected with the control end of the pump station motor after being connected with the normally open contact KM1.1 in series.
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| CN202010403611.6A CN111558917B (en) | 2020-05-13 | 2020-05-13 | Oil cylinder disassembling, maintaining and assembling workbench |
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| CN202010403611.6A CN111558917B (en) | 2020-05-13 | 2020-05-13 | Oil cylinder disassembling, maintaining and assembling workbench |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2648542B2 (en) * | 1992-03-13 | 1997-09-03 | 株式会社安川電機 | Hydraulic pressure generating device and work machine equipped with the device |
| CN104191404B (en) * | 2014-08-28 | 2016-09-28 | 湖南大学 | Platform disassembled by a kind of Novel engineering hydraulic jack |
| CN110861013A (en) * | 2019-11-20 | 2020-03-06 | 山西航天清华装备有限责任公司 | A upset workstation for maintenance of small-size hydro-cylinder |
| CN212287551U (en) * | 2020-05-13 | 2021-01-05 | 山西航天清华装备有限责任公司 | Oil cylinder disassembling, maintaining and assembling workbench |
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