CN210657831U - Hydraulically driven robot rail equipment of polishing - Google Patents
Hydraulically driven robot rail equipment of polishing Download PDFInfo
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- CN210657831U CN210657831U CN201921054043.2U CN201921054043U CN210657831U CN 210657831 U CN210657831 U CN 210657831U CN 201921054043 U CN201921054043 U CN 201921054043U CN 210657831 U CN210657831 U CN 210657831U
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Abstract
The utility model discloses a hydraulically-driven robot steel rail polishing device, which comprises a polishing head, a hydraulic motor, an axial telescopic oil cylinder, a radial rotary oil cylinder, a horizontal moving oil cylinder and an oil tank; the oil tank supplies oil to the hydraulic motor, the axial telescopic oil cylinder, the radial rotary oil cylinder and the horizontal moving oil cylinder; the horizontal migration hydro-cylinder is connected with mount and adjustable shelf respectively, the adjustable shelf bottom is connected with rotary platform through hoist and mount frame, rotary platform is connected with radial rotatory hydro-cylinder and promotes rotatoryly through radial rotatory hydro-cylinder, radial rotatory hydro-cylinder passes through the hinge and is connected with the adjustable shelf, last axial telescopic cylinder and the direction subassembly of being provided with of rotary platform, axial telescopic cylinder and direction subassembly all are connected with the platform of feeding, be provided with hydraulic motor on the platform of feeding. The utility model discloses reduce the demand to the electric energy to it is with low costs, reliable and stable.
Description
Technical Field
The utility model relates to a track is polished and is maintained the field, concretely relates to hydraulic drive's rail of robot equipment of polishing.
Background
After the rail transit is opened and operated, the steel rail is in a severe environment for a long time, and due to the power action of a train, the natural environment, the quality of the steel rail and the like, the steel rail is often damaged, such as cracks, abrasion and the like, so that the service life of the steel rail is shortened, the maintenance workload is increased, the maintenance cost is increased, and even the driving safety is seriously influenced.
Therefore, the rail damage must be eliminated or repaired in time to avoid affecting the safety of rail transit operation. Such as rail oiling, rail grinding, etc., wherein rail grinding is widely used by railways in various countries worldwide due to its high efficiency.
And present rail equipment of polishing all adopts components such as electric jar cooperation motor to carry out angle modulation and provide the power of polishing, and the car of polishing has sufficient electric energy voltage with regard to the demand like this, consequently has proposed higher requirement to generator and distribution control part, and is with high costs, and the control degree of difficulty is big.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to provide a hydraulic drive's robot rail equipment of polishing, reduce the demand to the electric energy to it is with low costs, reliable and stable.
In order to solve the technical problem, the utility model provides a rail polishing device of a hydraulically driven robot, which comprises a polishing head, a hydraulic motor, an axial telescopic oil cylinder, a radial rotary oil cylinder, a horizontal moving oil cylinder and an oil tank;
the oil tank supplies oil to the hydraulic motor, the axial telescopic oil cylinder, the radial rotary oil cylinder and the horizontal moving oil cylinder;
the horizontal migration hydro-cylinder is connected with mount and adjustable shelf respectively, the adjustable shelf bottom is connected with rotary platform through hoist and mount frame, rotary platform is connected with radial rotatory hydro-cylinder and promotes rotatoryly through radial rotatory hydro-cylinder, radial rotatory hydro-cylinder passes through the hinge and is connected with the adjustable shelf, last axial telescopic cylinder and the direction subassembly of being provided with of rotary platform, axial telescopic cylinder and direction subassembly all are connected with the platform of feeding, be provided with hydraulic motor on the platform of feeding.
Furthermore, the polishing head is connected with a hydraulic motor and provides polishing power through the hydraulic motor;
the oil tank is connected with two oil interfaces of the hydraulic motor through a first oil outlet pipe and a first oil return pipe, first servo valves are arranged on the two oil interfaces of the hydraulic motor, a first liquid inlet check valve is arranged on the first oil outlet pipe, a first energy accumulator is arranged between the first liquid inlet check valve and the first servo valve, and a rotating speed sensor is arranged on the hydraulic motor;
and a backflow overflow valve is arranged at the liquid outlet end of the first liquid inlet one-way valve.
Furthermore, the axial telescopic oil cylinder provides power for the polishing head to extend out to tightly abut against the steel rail and to be far away from the steel rail;
the oil tank passes through two fluid interfaces of second fluid outlet pipe and second fluid back flow and axial telescopic cylinder, be provided with the second switching-over valve on two fluid interfaces of axial telescopic cylinder, be provided with the second feed liquor check valve on the second fluid outlet pipe, be provided with second energy storage ware and pressure relay between second feed liquor check valve and the second servo valve, still be provided with the guide's formula overflow valve on the second fluid outlet pipe between second feed liquor check valve and the oil tank, be provided with the second displacement sensor on the axial telescopic cylinder, still be provided with the governing valve between axial telescopic cylinder and the second switching-over valve, when the axial telescopic cylinder stretches out and moves, fluid passes through the governing valve and gets into in the axial telescopic cylinder.
Further, the radial rotating oil cylinder provides power for adjusting a relative included angle between the polishing head and the steel rail;
the oil tank is connected with two oil interfaces of the radial rotary oil cylinder through a third oil outlet pipe and a third oil return pipe, a third servo valve is arranged on the two oil interfaces of the radial rotary oil cylinder, a third oil inlet one-way valve is arranged on the third oil outlet pipe, and a third displacement sensor is further arranged on the radial rotary oil cylinder;
and a backflow overflow valve is arranged at the liquid outlet end of the third liquid inlet one-way valve.
Further, the horizontal moving oil cylinder provides displacement power for the polishing head to move along two sides of the steel rail;
the oil tank is connected with two oil interfaces of the horizontal moving oil cylinder through a fourth oil outlet pipe and a fourth oil return pipe, a fourth servo valve is arranged on the two oil interfaces of the radial rotating oil cylinder, a fourth liquid inlet one-way valve is arranged on the fourth oil outlet pipe, and the horizontal moving oil cylinder is provided with two fourth displacement sensors in the displacement direction and a speed sensor for detecting the moving speed;
and a backflow overflow valve is arranged at the liquid outlet end of the fourth liquid inlet one-way valve.
Further, a first stop valve is arranged between the first accumulator and the first oil outlet pipe, and a first temperature gauge and a first pressure gauge are further arranged between the first accumulator and the first stop valve.
Furthermore, the number of the axial telescopic oil cylinders is 2, the second axial telescopic oil cylinder is connected with a second servo valve, the second servo valve is connected with a second oil outlet pipe and a second oil return pipe, and second displacement sensors are arranged on the two axial telescopic oil cylinders.
Further, a second thermometer, a plurality of filters and a plurality of coolers which are connected in a matched mode are further arranged in the oil tank.
Furthermore, a guide sliding rail is arranged between the fixed frame and the movable frame.
The utility model has the advantages that:
the hydraulic mode is adopted to drive the polishing head to rotate, swing and move in a telescopic mode, the polishing head has the advantage of low power consumption, a high-power generator is not required to be used for supporting, the hydraulic mode has the advantage of high stability, and the overall preparation cost is low.
Drawings
Fig. 1 is a schematic view of a hydraulic grinding structure of the present invention;
fig. 2 is a schematic front view of the present invention;
FIG. 3 is a schematic view of the structure of the whole oil circuit of the present invention;
fig. 4 is a schematic diagram of an oil path of the hydraulic motor of the present invention;
FIG. 5 is a schematic diagram of the oil path of the axial telescopic cylinder of the present invention;
fig. 6 is a schematic diagram of the oil path of the horizontal movement oil cylinder of the present invention;
FIG. 7 is a schematic view of the present invention polishing the top surface of a rail;
FIG. 8 is a schematic view of the present invention for grinding the outer arc edge of a rail;
fig. 9 is a schematic view of the present invention for polishing the inner arc edge of the steel rail.
Detailed Description
The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
Referring to fig. 1 and 2, an embodiment of the steel rail polishing device of the hydraulically driven robot of the present invention comprises a polishing head 1, a hydraulic motor 2, an axially telescopic cylinder 3, a radially rotating cylinder 4, an oil tank 5 and a horizontally moving cylinder 21, wherein the steel rail is mainly polished at three positions, including a top side, an outer arc side and an inner arc side, so that according to the polishing characteristics, the whole structure is designed to be matched and connected, the horizontally moving cylinder is respectively connected with a fixed frame 28 and a movable frame 29, the fixed frame can be fixedly connected with a frame of the polishing vehicle, or can be considered as a frame structure, the bottom of the movable frame is connected with a rotating platform 31 through a hoisting frame 30, the rotating platform is connected with the radially rotating cylinder and is pushed to rotate through the radially rotating cylinder, the radially rotating cylinder is connected with the movable frame through a hinge 311, the rotating platform is provided with the axially telescopic cylinder and a guiding assembly 32, the axial telescopic oil cylinder and the guide assembly are both connected with the feeding platform 33, and a hydraulic motor is arranged on the feeding platform. A guide sliding rail 34 is arranged between the fixed frame and the movable frame, so that an effective guide moving effect is realized.
Referring to fig. 3 to 6, the polishing head is connected with the hydraulic motor and provides polishing power through the hydraulic motor, the axial telescopic cylinder provides power for the polishing head to extend out to abut against the steel rail and to be away from the steel rail, the radial rotary cylinder provides power for adjusting a relative included angle between the polishing head and the steel rail, and the oil tank supplies oil to the hydraulic motor, the axial telescopic cylinder, the radial rotary cylinder and the horizontal moving cylinder; the hydraulic pump 6 is arranged in the oil tank, provides hydraulic pressure and conveys oil to each oil way;
firstly, a hydraulic system is provided with a loop for independently controlling a hydraulic motor, the loop relates to the rotating speed and the torque of a polishing head, and is a core link of polishing equipment, and in order to ensure a good grinding effect, a branch is provided with an energy accumulator as an auxiliary power source to ensure that the rotating speed of the polishing head is controlled within a stable range; in addition, the sanding head requires at least two motions to be matched during normal use, and therefore a hydraulic circuit should be designed correspondingly. In the case of a longitudinal circuit (i.e. axial movement of the sanding head), the hydraulic motor is carried to move axially with the sanding head (and possibly other supports), the load is large, and an energy accumulator is added to the circuit to supplement leakage and pressure maintaining, so as to maintain stable pressure and provide grinding force; and a hydraulic circuit for rotary motion (namely radial rotary motion, namely the deflection motion of the sanding head) is arranged, the circuit only needs to push the hydraulic motor by the piston rod to achieve the rotary effect, and the required force is generally small.
Specifically, an oil tank is connected with two oil interfaces of a hydraulic motor through a first oil outlet pipe and a first oil return pipe, a first servo valve 7 is arranged on the two oil interfaces of the hydraulic motor, a first liquid inlet check valve 8 is arranged on the first oil outlet pipe, a first energy accumulator 9 is arranged between the first liquid inlet check valve and the first servo valve, a first reversing valve 91 is arranged on the first energy accumulator, and a rotation speed sensor 10 is arranged on the hydraulic motor; a first stop valve 28 is arranged between the first accumulator and the first oil outlet pipe, and a first temperature gauge and a first pressure gauge are arranged between the first accumulator and the first stop valve.
After the hydraulic pump works, oil enters the first servo valve through the filter, the cooler and the first liquid inlet one-way valve, wherein the pressure of the oil entering the first servo valve is controlled by the backflow overflow valve on the branch, and the set value of the backflow overflow valve is adjusted to be slightly larger than the working pressure of the hydraulic motor in consideration of certain pressure loss of the oil generated by the first servo valve. When the first servo valve is electrified, the hydraulic motor starts to work and can rotate at the rotating speed of 4000 r/s; when the first servo valve is de-energized, the hydraulic motor stops operating.
The hydraulic motor is a core component of the grinding equipment, and the monitoring and control of the working state of the hydraulic motor are important. Therefore, the branch is provided with the first energy accumulator, in order to ensure that the first energy accumulator can accurately supplement leakage, an electromagnetic ball valve is arranged at the inlet of the first energy accumulator, and when the electromagnetic ball valve is electrified, the energy accumulator starts to supplement oil; when the electromagnetic ball valve loses power, the energy accumulator stops supplementing oil. In addition, in order to facilitate the detection and maintenance of the first energy accumulator, a first stop valve is arranged on the branch to cut off the connection between the first energy accumulator and the main oil way, and a first thermometer and a first pressure gauge are used for monitoring the working state of the first energy accumulator in real time. When the hydraulic motor works, the rotating speed sensor monitors the rotating speed of the hydraulic motor in the whole process and transmits data to the first servo valve, the first servo valve controls the pressure and the flow of oil entering the hydraulic motor by changing the size of the valve port, the output torque and the rotating speed of the hydraulic motor are further controlled, the first energy accumulator is used as an auxiliary power source to release the oil after energy storage and when the hydraulic motor runs, the pressure in a main oil way is supplemented, and the rotating speed of a polishing head is controlled within a stable range. Through the dual monitoring mechanism of first energy storage ware, first servovalve, guarantee to carry out accurate, timely, effectual control to hydraulic motor.
The oil tank is connected with two oil interfaces of the axial telescopic oil cylinder through a second oil outlet pipe and a second oil return pipe, a second reversing valve 11 is arranged on the two oil interfaces of the axial telescopic oil cylinder, a second liquid inlet check valve 12 is arranged on the second oil outlet pipe, a second energy accumulator 13 and a pressure relay 14 are arranged between the second liquid inlet check valve and the second servo valve, a pilot overflow valve 15 is further arranged on the second oil outlet pipe between the second liquid inlet check valve and the oil tank, a second displacement sensor 16 is arranged on the axial telescopic oil cylinder, a speed regulating valve 17 is further arranged between the axial telescopic oil cylinder and the second reversing valve, and when the axial telescopic oil cylinder extends and moves, oil enters the axial telescopic oil cylinder through the speed regulating valve;
when the hydraulic cylinder moves, oil enters the axial telescopic oil cylinder through the second liquid inlet one-way valve, the second reversing valve and the speed regulating valve. In order to ensure the reliability and the stability of the operation of the hydraulic oil cylinder, the double hydraulic cylinders are adopted for driving, so that the number of the axial telescopic oil cylinders is 2, the second axial telescopic oil cylinder is connected with a second servo valve 27, the second servo valve is connected with a second oil outlet pipe and a second oil return pipe, and second displacement sensors are arranged on the two axial telescopic oil cylinders.
And a pilot overflow valve is arranged on a pipeline before the oil of the second liquid inlet check valve flows in, so that the pressure oil with overhigh pressure can be prevented from flowing in. In addition, a second accumulator is also arranged in the middle of the oil way and can be used as an auxiliary power source to release oil so as to supplement the pressure in the main oil way and avoid the shaking of the hydraulic cylinder caused by pressure fluctuation. A second stop valve 281 is arranged at the upstream of the second energy accumulator, so that the second energy accumulator can be conveniently installed, detected and maintained; the pressure relay at the downstream of the second energy accumulator is used as an automatic switch, when the pressure of the loop reaches a certain value, the oil directly flows back to the oil tank through the pilot overflow valve, and the main oil path is supplied with pressure oil by the energy accumulator; when the pressure is reduced, the oil is continuously supplied to the main oil way and the second accumulator.
When the hydraulic motor is driven to move axially, the pressure and the speed are changed before and after the hydraulic motor contacts with the guide rail, and finally the pressure is kept at a certain value and the speed is 0, so that a speed regulating valve is arranged at the upstream of one of the axial telescopic oil cylinders. The hydraulic motor starts to move downwards at a certain speed, in the process of contacting the edge of the steel rail, the load is continuously increased, the valve port of the speed regulating valve is reduced until the valve port is closed, and the hydraulic motor stops moving, so that a constant pressure is formed between the grinding wheel and the rail, and the grinding efficiency is improved; meanwhile, under the pressure, the pressure relay can trigger the pilot overflow valve to work, and the loop is supplied with pressure by the energy accumulator. The second reversing valve and the second servo valve for controlling the two axial telescopic oil cylinders to move adopt an oil conveying pipe, the piston rods of the two axial telescopic oil cylinders are provided with second displacement sensors, when the two axial telescopic oil cylinders move, the two second displacement sensors transmit the measurement result to the second servo valve, and the second servo valve adjusts the size of the valve port of the second servo valve by comparing the difference value of the transmission values of the two second displacement sensors so as to realize the synchronous movement of the piston rods of the two cylinders.
The oil tank is connected with two oil interfaces of the radial rotary oil cylinder through a third oil outlet pipe and a third oil return pipe, a third servo valve 18 is arranged on the two oil interfaces of the radial rotary oil cylinder, a third liquid inlet one-way valve 19 is arranged on the third oil outlet pipe, and a third displacement sensor 20 is further arranged on the radial rotary oil cylinder.
In the rotary motion loop, oil directly enters the radial rotary oil cylinder through the third liquid inlet one-way valve and the third servo valve. The hydraulic motor is pushed to move clockwise or the hydraulic motor is pushed to move anticlockwise by controlling the oil liquid to enter the left cavity or the right cavity of the hydraulic cylinder. The amount of its movement is monitored by a third displacement sensor. When the radial rotary oil cylinder works, the third displacement sensor transmits the measured displacement of the piston rod to the third servo valve, the third servo valve analyzes data, and the rotation angle of the hydraulic motor and the linear displacement of the radial rotary oil cylinder are in one-to-one correspondence through conversion of a mathematical formula so as to judge the rotation angle of the hydraulic motor.
The horizontal moving oil cylinder provides displacement power for the polishing head to move along two sides of the steel rail and can also be considered as transverse movement, and the polishing head can directly polish three directions of the steel rail through the displacement of the horizontal moving oil cylinder; the oil tank passes through fourth fluid outlet pipe and fourth fluid back flow and two fluid interface connections of horizontal migration hydro-cylinder, is provided with fourth servo valve 22 on two fluid interfaces of radial rotatory hydro-cylinder, is provided with fourth feed liquor check valve 23 on the fourth fluid outlet pipe, and the horizontal migration hydro-cylinder is located and is provided with two fourth displacement sensor 24 and still is provided with the speedtransmitter 25 that is used for detecting the displacement speed in the displacement direction.
The oil liquid enters the horizontal moving oil cylinder through the fourth liquid inlet one-way valve and the fourth servo valve, and the motion relates to a cyclic and reciprocating polishing process, so that the loop can adopt a double-rod hydraulic cylinder form, the working space is saved, and the overall structure is more compact; the left side and the right side of the horizontal moving oil cylinder are respectively provided with a fourth displacement sensor. To achieve the reciprocating effect by activating the two fourth displacement sensors.
In the process of moving the horizontal moving oil cylinder, the pressure of oil flowing into the loop is controlled by the backflow overflow valve, the piston rod is provided with a speed sensor, the speed of the piston rod is monitored in real time, a detection result is transmitted to the fourth servo valve, the fourth servo valve compares the result with a set value, and the comparison result is reflected on the size of the valve port, so that the moving speed of the piston rod is controlled, the piston rod is kept in a relatively stable numerical range, and further the transverse stable movement is realized. Because the horizontal moving oil cylinder is used for realizing the left-right feeding motion when the hydraulic motor polishes the side edge of the track, the speed change is not needed, and the speed regulating device is not installed in the loop.
Specifically, the backflow overflow valve 26 is installed at the liquid outlet ends of the first liquid inlet check valve, the third liquid inlet check valve and the fourth liquid inlet check valve.
Referring to fig. 7, when the top edge of the steel rail needs to be polished, the movable frame is driven by the horizontal moving oil cylinder to move to the upper portion of the top edge of the steel rail, the movable frame drives the bottom assembly to also move to the upper portion of the top edge, the rotation angle of the rotary platform is adjusted by the radial rotary oil cylinder at the moment, so that the polishing end face of the polishing head is parallel to the top edge, the polishing head is driven by the hydraulic motor to rotate, then the feeding platform is driven by the axial telescopic oil cylinder to move towards the steel rail, and finally the polishing effect that the polishing head is abutted to the top edge of.
Referring to fig. 8, when the outside arc limit of rail needs to be polished, drive the adjustable shelf through the horizontal migration hydro-cylinder earlier and remove to the rail outside portion, the adjustable shelf area bottom the subassembly also removes to the outside, the rotation angle through radial swivel cylinder regulation rotary platform this moment, make the terminal surface of polishing head relative with the outside arc limit portion that needs to polish, the polishing head passes through hydraulic motor and drives the rotation, it can to be driven towards the rail removal by the flexible hydro-cylinder of axial afterwards by the feeding platform, finally reach the effect of polishing head butt on the outside arc edge of rail.
Referring to fig. 9, when the inner arc edge of the steel rail needs to be polished, the movable frame is driven to move to the inner side portion of the steel rail through the horizontal moving oil cylinder, the movable frame drives the bottom assembly to also move to the inner side, the rotation angle of the rotary platform is adjusted through the radial rotary oil cylinder at the moment, the polishing end face of the polishing head is opposite to the inner arc edge portion needing to be polished, the polishing head is driven to rotate through the hydraulic motor, then the feeding platform is driven by the axial telescopic oil cylinder to move towards the steel rail, and finally the polishing head butt is polished on the inner arc edge of the steel rail.
The utility model discloses a pure oil liquid provides the required power of polishing, has single reliable effect in the aspect of the control design to reduce the demand to the electric energy, also reduce electric component's use cost and maintain cost of maintenance, have the advantage of reliable and stable easy popularization.
The above embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.
Claims (9)
1. A hydraulically-driven robot steel rail grinding device is characterized by comprising a grinding head, a hydraulic motor, an axial telescopic oil cylinder, a radial rotary oil cylinder, a horizontal moving oil cylinder and an oil tank;
the oil tank supplies oil to the hydraulic motor, the axial telescopic oil cylinder, the radial rotary oil cylinder and the horizontal moving oil cylinder;
the horizontal migration hydro-cylinder is connected with mount and adjustable shelf respectively, the adjustable shelf bottom is connected with rotary platform through hoist and mount frame, rotary platform is connected with radial rotatory hydro-cylinder and promotes rotatoryly through radial rotatory hydro-cylinder, radial rotatory hydro-cylinder passes through the hinge and is connected with the adjustable shelf, last axial telescopic cylinder and the direction subassembly of being provided with of rotary platform, axial telescopic cylinder and direction subassembly all are connected with the platform of feeding, be provided with hydraulic motor on the platform of feeding.
2. A hydraulically driven robotic rail grinding apparatus as claimed in claim 1 wherein the grinding head is connected to and provides grinding power through a hydraulic motor;
the oil tank is connected with two oil interfaces of the hydraulic motor through a first oil outlet pipe and a first oil return pipe, first servo valves are arranged on the two oil interfaces of the hydraulic motor, a first liquid inlet check valve is arranged on the first oil outlet pipe, a first energy accumulator is arranged between the first liquid inlet check valve and the first servo valve, and a rotating speed sensor is arranged on the hydraulic motor;
and a backflow overflow valve is arranged at the liquid outlet end of the first liquid inlet one-way valve.
3. A hydraulically powered robotic rail grinding apparatus as claimed in claim 1 wherein the axially extending and retracting cylinder provides the motive force for extending the grinding head against and away from the rail;
the oil tank passes through two fluid interfaces of second fluid outlet pipe and second fluid back flow and axial telescopic cylinder, be provided with the second switching-over valve on two fluid interfaces of axial telescopic cylinder, be provided with the second feed liquor check valve on the second fluid outlet pipe, be provided with second energy storage ware and pressure relay between second feed liquor check valve and the second servo valve, still be provided with the guide's formula overflow valve on the second fluid outlet pipe between second feed liquor check valve and the oil tank, be provided with the second displacement sensor on the axial telescopic cylinder, still be provided with the governing valve between axial telescopic cylinder and the second switching-over valve, when the axial telescopic cylinder stretches out and moves, fluid passes through the governing valve and gets into in the axial telescopic cylinder.
4. A hydraulically driven robotic rail grinding apparatus as claimed in claim 1 wherein the radial rotary cylinder provides power to adjust the relative angle between the grinding head and the rail;
the oil tank is connected with two oil interfaces of the radial rotary oil cylinder through a third oil outlet pipe and a third oil return pipe, a third servo valve is arranged on the two oil interfaces of the radial rotary oil cylinder, a third oil inlet one-way valve is arranged on the third oil outlet pipe, and a third displacement sensor is further arranged on the radial rotary oil cylinder;
and a backflow overflow valve is arranged at the liquid outlet end of the third liquid inlet one-way valve.
5. A hydraulically driven robotic rail grinding apparatus as claimed in claim 1 wherein the horizontal displacement cylinder provides displacement power for movement of the grinding head along both sides of the rail;
the oil tank is connected with two oil interfaces of the horizontal moving oil cylinder through a fourth oil outlet pipe and a fourth oil return pipe, a fourth servo valve is arranged on the two oil interfaces of the radial rotating oil cylinder, a fourth liquid inlet one-way valve is arranged on the fourth oil outlet pipe, and the horizontal moving oil cylinder is provided with two fourth displacement sensors in the displacement direction and a speed sensor for detecting the moving speed;
and a backflow overflow valve is arranged at the liquid outlet end of the fourth liquid inlet one-way valve.
6. A hydraulically driven robotic rail grinding apparatus as claimed in claim 2, wherein a first shut off valve is provided between the first accumulator and the first oil outlet conduit, and a first temperature gauge and a first pressure gauge are also provided between the first accumulator and the first shut off valve.
7. A hydraulically driven robotic rail grinding apparatus as claimed in claim 3, wherein the number of said axially extending and retracting cylinders is 2, the second axially extending and retracting cylinder being connected to a second servo valve, said second servo valve being connected to a second oil outlet conduit and a second oil return conduit, and a second displacement sensor being provided on both axially extending and retracting cylinders.
8. A hydraulically driven robotic rail grinding apparatus as claimed in claim 1, wherein a second thermometer, a plurality of filters and a plurality of coolers are also provided in the tank in mating connection.
9. A hydraulically driven robotic rail grinding apparatus as claimed in claim 1, wherein guide tracks are provided between the fixed and movable carriages.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921054043.2U CN210657831U (en) | 2019-07-08 | 2019-07-08 | Hydraulically driven robot rail equipment of polishing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921054043.2U CN210657831U (en) | 2019-07-08 | 2019-07-08 | Hydraulically driven robot rail equipment of polishing |
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| CN210657831U true CN210657831U (en) | 2020-06-02 |
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| CN201921054043.2U Active CN210657831U (en) | 2019-07-08 | 2019-07-08 | Hydraulically driven robot rail equipment of polishing |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110284381A (en) * | 2019-07-08 | 2019-09-27 | 苏州睿友智能装备有限公司 | A kind of robot steel rail grinding device of hydraulic-driven |
| CN114532996A (en) * | 2022-02-17 | 2022-05-27 | 王梓豪 | Intelligent mobile diagnosis and treatment equipment powered by new energy |
-
2019
- 2019-07-08 CN CN201921054043.2U patent/CN210657831U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110284381A (en) * | 2019-07-08 | 2019-09-27 | 苏州睿友智能装备有限公司 | A kind of robot steel rail grinding device of hydraulic-driven |
| CN110284381B (en) * | 2019-07-08 | 2024-03-19 | 苏州睿友智能装备有限公司 | Hydraulic drive's robot rail equipment of polishing |
| CN114532996A (en) * | 2022-02-17 | 2022-05-27 | 王梓豪 | Intelligent mobile diagnosis and treatment equipment powered by new energy |
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