CN217129988U - Monitoring device for oil-operated machine - Google Patents
Monitoring device for oil-operated machine Download PDFInfo
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- CN217129988U CN217129988U CN202220191841.5U CN202220191841U CN217129988U CN 217129988 U CN217129988 U CN 217129988U CN 202220191841 U CN202220191841 U CN 202220191841U CN 217129988 U CN217129988 U CN 217129988U
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- oil
- servomotor
- oil collecting
- monitoring device
- base plate
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Abstract
The utility model discloses a monitoring device for a servomotor, wherein, the monitoring device for the servomotor comprises an oil collecting tray, the oil collecting tray is positioned at the lower end of the servomotor, the servomotor is provided with an oil inlet, a cavity and an oil outlet, the oil inlet is connected with one end of the cavity, the other end of the cavity is connected with the oil outlet, and the oil collecting tray is positioned below the cavity; the oil collecting tray comprises a base plate and an oil collecting port, wherein the base plate is positioned at the lower end of the servomotor, the base plate is connected with the upper end of the oil collecting port, and the area of the opening of the base plate is larger than the area of the cross section of the servomotor; the engine oil that the cavity everywhere oozes can be collected, and the engine oil after the chassis is collected flows through an oil collecting port, and the lower extreme of oil collecting tray is equipped with monitoring mechanism, and monitoring mechanism's collection oil drum is connected with the lower extreme of an oil collecting port, and monitoring mechanism is used for detecting the volume of an oil collecting port outflow engine oil, the engine oil of an oil collecting port outflow flow into to an oil collection drum in, monitoring mechanism senses the engine oil in the collection oil drum and takes place the volume change to the warning of short-term alarm system.
Description
Technical Field
The utility model relates to a thermal power monitoring's technical field, in particular to a monitoring devices for servomotor.
Background
The steam turbine of the thermal power plant is large-scale power equipment which rotates at high temperature, high pressure and high speed, and the digital electric control system of the steam turbine drives the servomotor by controlling the flow of high-pressure fire-resistant oil so as to control the opening degree of a main throttle valve and a throttle valve of the steam turbine and realize the control of the rotating speed, the load, the pressure and the like of a steam turbine generator unit.
The servomotor essential element includes: oil cylinder, servo valve, linear displacement sensor, check valve, cartridge valve, etc. The high-pressure oil flow is controlled by an electro-hydraulic servo valve, and the high-pressure oil enters the oil cylinder to open the steam valve or discharge working oil from the oil cylinder to close the steam valve. The hydraulic part is provided with an O-shaped sealing ring during assembly, so that the hydraulic machine is ensured not to leak in the running process of the steam turbine set. However, in the actual production and operation process, a large amount of leakage of the servomotor causes the unit to be forced to stop operation, and whether the servomotor leaks oil or not can not be effectively monitored.
The existing hydraulic leakage-free detection device for the hydraulic servomotor can cause high-pressure oil leakage in the running process of a unit if an O-shaped sealing ring is aged, damaged or assembled incorrectly, and can cause the safety accidents of a unit which has a large amount of oil leakage, low oil supply pressure and low protection action and fire disasters caused by high-pressure oil encountering high-temperature pipelines and the like if workers do not find the device in time.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a monitoring devices for servomotor aims at realizing whether the oil leak phenomenon takes place for the servomotor of monitoring, improves the security of servomotor during operation.
In order to achieve the above object, the present invention provides a monitoring device for a servomotor, comprising an oil collecting tray, wherein the oil collecting tray is located at the lower end of the servomotor; the oil collecting tray comprises a base plate and an oil collecting port, wherein the base plate is positioned at the lower end of the servomotor, the base plate is connected with the upper end of the oil collecting port, and the area of the opening of the base plate is larger than the area of the cross section of the servomotor;
the lower extreme of oil catch tray is equipped with monitoring mechanism, monitoring mechanism's oil collection bucket with the lower extreme of oil collecting port is connected, monitoring mechanism is used for detecting the volume of oil collecting port outflow machine oil.
Preferably, the monitoring mechanism comprises a floating ball, a pull rope and a switch assembly, an oil collecting cavity of the oil collecting barrel is connected with the lower end of the oil collecting port, the floating ball is located in the oil collecting cavity, the floating ball is connected with one end of the pull rope, the other end of the pull rope is connected with the switch assembly, and the pull rope is pulled by the self weight of the floating ball to enable the switch assembly to be in a disconnected state.
Preferably, the switch assembly comprises a magnetic switch and a swing rod, the lower end of the swing rod is connected with the other end of the pull rope, and the upper end of the swing rod is movably connected with the magnetic switch;
the liquid level fluctuation in the oil collection cavity drives the floating ball to displace, and the floating ball rises to drive the swing rod to be connected with the magnetic switch.
Preferably, the monitoring mechanism further comprises an alarm, and the alarm is respectively connected with the magnetic switch and the swing rod.
Preferably, one side of oil collection bucket is equipped with the support frame, the support frame respectively with the pendulum rod with magnetic switch connects.
Preferably, the support frame includes bracing piece, supporting part, first horizontal pole and second horizontal pole, the bracing piece with the supporting part is connected, the supporting part respectively with first horizontal pole with the second horizontal pole is connected, first horizontal pole with magnetic switch connects, the second horizontal pole with the pendulum rod is articulated.
Preferably, the pendulum rod is equipped with first joint, magnetic switch is equipped with the second and connects, the one end of first joint with the one end of second connects is connected or is disconnected, just the other end of first joint with the second connects all with the alarm is connected.
Preferably, the first connector and the second connector are both conductive strips.
Preferably, at least one part of the bottom of the chassis is obliquely arranged, and the oil collecting port is located at the lowest position of the bottom of the chassis.
Preferably, the gradient of the bottom of the chassis is 15% -25%.
The technical proposal of the utility model is that the oil collecting tray is positioned at the lower end of the servomotor; the oil collecting tray can collect the engine oil of the servomotor, the oil collecting tray comprises a base plate and an oil collecting port, wherein the base plate is positioned at the lower end of the servomotor, the base plate is connected with the upper end of the oil collecting port, and the area of the plate opening of the base plate is larger than the area of the cross section of the servomotor; the cavity of the servomotor is filled with engine oil, the chassis can collect the engine oil leaked at any place of the servomotor, the lower end of the oil collecting tray is provided with a monitoring mechanism, an oil collecting barrel of the monitoring mechanism is connected with the lower end of the oil collecting port, the monitoring mechanism is used for detecting the volume of the engine oil flowing out of the oil collecting port, the engine oil collected by the oil collecting tray flows into the oil collecting barrel, the volume of the engine oil in the oil collecting barrel changes along with the continuous flowing of the engine oil into the oil collecting barrel, the monitoring mechanism can obtain monitoring information used for alarming, whether the servomotor leaks oil or not is monitored, and the safety of the servomotor during operation is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic diagram of an embodiment of a monitoring device for a servomotor of the present invention.
Fig. 2 is a top view of an oil pan in an embodiment of a monitoring device for a servomotor of the present invention.
Fig. 3 is a schematic view of a monitoring mechanism in an embodiment of a monitoring device for a servomotor of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 1 | Oil-operated |
331 | |
| 11 | |
34 | |
| 12 | |
341 | |
| 2 | |
35 | |
| 21 | |
36 | |
| 22 | |
37 | |
| 3 | |
38 | Supporting |
| 31 | |
39 | Limiting |
| 311 | |
4 | |
| 312 | Pull rope | 5 | |
| 32 | Floating |
51 | First connecting |
| 33 | |
52 | The second connecting line |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture, and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, if the meaning of "and/or" and/or "appears throughout, the meaning includes three parallel schemes, for example," A and/or B "includes scheme A, or scheme B, or a scheme satisfying both schemes A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a monitoring devices for servomotor 1. Referring to fig. 1 to 3, in a first embodiment of the present invention, the monitoring device for the servomotor 1 includes an oil collecting tray 2, the oil collecting tray 2 is located at a lower end of the servomotor 1, the servomotor 1 is provided with an oil inlet 11, a cavity and an oil outlet 12, the oil inlet 11 is connected with one end of the cavity, the other end of the cavity is connected with the oil outlet 12, and the oil collecting tray 2 is located below the cavity; the oil collecting tray 2 comprises a base plate 22 and an oil collecting port 21, wherein the base plate 22 is positioned at the lower end of the servomotor 1, the base plate 22 is connected with the upper end of the oil collecting port 21, and the area of the opening of the base plate 22 is larger than the cross section area of the servomotor 1; the chassis 22 can collect the engine oil seeping from any place of the cavity, and the engine oil collected by the chassis 22 flows out through the oil collecting opening 21.
The lower extreme of oil catch tray 2 is equipped with monitoring mechanism 3, monitoring mechanism 3 the oil collection bucket 31 with the lower extreme of oil trap is connected, monitoring mechanism 3 is used for detecting the volume of oil 2 outflow oil of oil trap, in the oil inflow oil 31 of oil trap 21 outflow, monitoring mechanism 3 senses the oil in the oil collection bucket 31 and takes place the volume change, and monitoring mechanism 3 can obtain the monitoring information who is used for the warning, gives alarm 5 with monitoring information transmission to the alarm system that triggers reports to make the staff in time discover.
The technical proposal of the utility model is that the oil collecting tray 2 is positioned at the lower end of the servomotor 1; the oil collecting tray 2 can collect the engine oil of the servomotor 1, the oil collecting tray 2 comprises a base plate 22 and an oil collecting port 21, wherein the base plate 22 is positioned at the lower end of the servomotor 1, the base plate 22 is connected with the upper end of the oil collecting port 21, and the area of the plate opening of the base plate 22 is larger than the cross-sectional area of the servomotor 1; the cavity of the servomotor 1 is filled with engine oil, the chassis 22 can collect the engine oil leaked at any place of the servomotor 1, the lower end of the oil collecting tray 2 is provided with the monitoring mechanism 3, the oil collecting barrel 31 of the monitoring mechanism 3 is connected with the lower end of the oil collecting port, the monitoring mechanism 3 is used for detecting the volume of the engine oil flowing out of the oil collecting port 2, the engine oil collected by the oil collecting tray 2 flows into the oil collecting barrel 31, the volume of the engine oil in the oil collecting barrel 31 changes along with the continuous flow of the engine oil into the oil collecting barrel 31, and the monitoring mechanism 3 can obtain monitoring information for alarming, so that whether the oil leakage phenomenon occurs in the servomotor 1 is monitored, and the safety of the servomotor 1 during working is improved.
As shown in fig. 2 and 3, the monitoring mechanism 3 includes a floating ball 32, a pull rope 312 and a switch assembly, in this embodiment, a gas is stored in the floating ball 32, the floating ball 32 naturally hangs down in the oil collecting tank 31, an oil collecting cavity 311 of the oil collecting tank 31 is connected to the lower end of the oil collecting port 21, the floating ball 32 is located in the oil collecting cavity 311, the floating ball 32 is connected to one end of the pull rope 312, the other end of the pull rope 312 is connected to the switch assembly, and the self weight of the floating ball 32 drops to pull the pull rope 312, so that the switch assembly is in an off state; the floating ball 32 floats on the liquid level of the oil collecting cavity 311, when no engine oil exists in the oil collecting cavity 311, the floating ball 32 descends to pull the switch assembly, so that the switch assembly is in an off state, when the engine oil exists in the oil collecting cavity 311, the floating ball 32 starts to float upwards along with the inflow of the engine oil into the oil collecting cavity 311, the larger the volume of the engine oil is, the larger the floating ball 32 rises to drive the switch assembly to be closed, and the monitoring mechanism 3 gives an alarm.
In addition, the switch assembly includes a magnetic switch 34 and a pendulum 33, the lower end of the pendulum 33 is connected to the other end of the pull rope 312, and the upper end of the pendulum 33 is movably connected to the magnetic switch 34, in this embodiment, the pendulum 33 may be made of a metal material, the pendulum 33 is subjected to a downward pulling force of the floating ball 32, the gravity of the floating ball 32 is exactly equal to the attractive force between the magnetic switch 34 and the pendulum 33, so that the pendulum 33 cannot be closed with the magnetic switch 34, and the pendulum 33 and the magnetic switch 34 maintain a critical state, of course, a limit portion may be further provided on a horizontal line of the pendulum 33, so that the pendulum 33 can only swing upwards, and the pendulum 33 is limited from rotating downwards; the liquid level fluctuation in the oil collecting cavity 311 drives the floating ball 32 to displace, the floating ball 32 ascends to drive the swing rod 33 to be connected with the magnetic switch 34, and the floating ball 32 ascends to drive the swing rod 33 to be connected with the magnetic switch 34, so that the monitoring mechanism 3 gives an alarm.
In addition, monitoring devices 3 still includes alarm 5, alarm 5 respectively with magnetic switch 34 with pendulum rod 33 is connected, and magnetic switch 34 and the 5 alarms of pendulum rod 33 joint drive alarm, and alarm 5 can also report to the police through the mode that takes place audible alarm, alarm 5 can also report to the police through display lamp or vibrations, makes the staff in time discover that servomotor 1 leaks oil.
In addition, one side of oil collection bucket 31 is equipped with the support frame, the support frame respectively with pendulum rod 33 with magnetism 34 switch is connected, and position between magnetism switch 34 and the pendulum rod 33 can be fixed to this support frame, can also be equipped with the wire casing in the support frame, makes the first connecting wire 51 of alarm 5 be connected with magnetism switch 34 through the wire casing, and the second connecting wire 52 of alarm 5 is connected with pendulum rod 33 through the wire casing, and the wire casing can play concealed effect.
In addition, the support frame comprises a support rod 36, a support part 38, a first cross rod 35 and a second cross rod 37, the support rod 36 is connected with the lower end of the support part 38, two ends of the support part 38 are respectively connected with the first cross rod 35 and the second cross rod 37, the support part 38 is used for fixing the first cross rod 35 and the second cross rod 37, the first cross rod 35 is in shutdown connection with the magnetic switch 34, the first cross rod 35 is used for fixing the magnetic switch 34, the support part 38 and the first cross rod 35 or the second cross rod 37 can be in welding and threaded connection, the second cross rod 37 is hinged with the swing rod 33, the second cross rod 37 is used for supporting the swing rod 33, a limit block 39 can be arranged between the second cross rod 37 and the swing rod 33, the limit block 39 limits the swing rod 33 to swing downwards, the second cross rod 37 is hinged with the swing rod 33, the swing rod 32 ascends to drive the swing rod 33 to be adsorbed by the magnetic switch 34, the magnetic switch 34 and the swing rod 33 are closed, so that the alarm 5 is triggered to alarm.
In addition, the swing link 33 is provided with a first joint 331, the magnetic switch 34 is provided with a second joint 341, one end of the first joint 331 is connected with or disconnected from one end of the second joint 341, the other ends of the first joint 331 and the second joint 341 are both connected with the alarm 5, the first joint 331 and the second joint 341 have a conductive function, the alarm 5 cannot be triggered to alarm when the first joint 331 is disconnected with the second joint 341, and the alarm 5 is triggered to alarm when the first joint 331 is combined with the second joint 341.
In addition, the first joint 331 and the second joint 341 are both conductive sheets, and the conductive sheets enable the first joint 331 and the second joint 341 to have good conductive performance, so that the alarm 5 is triggered to alarm.
In addition, at least one part of the bottom of the chassis 22 is obliquely arranged, the oil collecting port 21 is located at the lowest position of the bottom of the chassis 22, the chassis 22 is obliquely arranged, the chassis 22 can quickly collect the engine oil leaked from any position of the servomotor 1, the engine oil quickly flows into the lowest position of the chassis 22 through an oblique slope, the engine oil is enabled to be collected into the oil collecting port 21, and the collection of the engine oil is further accelerated.
In addition, the gradient a of the bottom of the chassis is 15% to 25%, in this embodiment, according to the situation of an actual field, the height of the oil engine 1 from the ground is limited, the gradient a of the bottom of the chassis is 20%, which further accelerates the collection of the engine oil, and if the gradient a is designed to be too large, although the collection of the engine oil can be further increased, the area of the chassis 22 is increased, so that the material cost of the chassis 22 is increased, and therefore, the gradient of the chassis is designed to be 20%, which not only meets the requirement of the collection of the engine oil, but also can maximally save the material cost of the chassis 22.
In addition, the lower end of the servomotor 1 is provided with a bracket 4 for supporting the servomotor 1, and the bracket 4 may be disposed through the chassis 22.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.
Claims (10)
1. A monitoring device for a servomotor comprises an oil collecting tray, wherein the oil collecting tray is positioned at the lower end of the servomotor; the oil collecting tray comprises a base plate and an oil collecting port, wherein the base plate is positioned at the lower end of the servomotor, the base plate is connected with the upper end of the oil collecting port, and the area of the opening of the base plate is larger than the area of the cross section of the servomotor;
the lower extreme of oil catch tray is equipped with monitoring mechanism, monitoring mechanism's oil collection bucket with the lower extreme of oil collecting port is connected, monitoring mechanism is used for detecting the volume of oil collecting port outflow machine oil.
2. The monitoring device for the servomotor of claim 1, wherein the monitoring mechanism comprises a floating ball, a pull rope and a switch assembly, an oil collecting cavity of the oil collecting barrel is connected with the lower end of the oil collecting port, the floating ball is located in the oil collecting cavity, the floating ball is connected with one end of the pull rope, the other end of the pull rope is connected with the switch assembly, and the self weight of the floating ball pulls the pull rope to enable the switch assembly to be in a disconnected state.
3. The monitoring device for the servomotor of claim 2, wherein the switch assembly comprises a magnetic switch and a rocker, a lower end of the rocker is connected to the other end of the pull rope, and an upper end of the rocker is movably connected to the magnetic switch;
the liquid level fluctuation in the oil collection cavity drives the floating ball to displace, and the floating ball rises to drive the swing rod to be connected with the magnetic switch.
4. The monitoring device for the servomotor of claim 3, further comprising an alarm, wherein the alarm is connected to the magnetic switch and the rocker, respectively.
5. The monitoring device for the servomotor of claim 4, wherein a support is disposed on one side of the oil collection barrel, and the support is connected to the swing rod and the magnetic switch respectively.
6. The monitoring device for the servomotor of claim 5, wherein the support frame comprises a support rod, a support portion, a first cross rod and a second cross rod, the support rod is connected with the support portion, the support portion is respectively connected with the first cross rod and the second cross rod, the first cross rod is connected with the magnetic switch, and the second cross rod is hinged with the swing rod.
7. The monitoring device for the servomotor of claim 6, wherein the swing lever is provided with a first joint, the magnetic switch is provided with a second joint, one end of the first joint is connected to or disconnected from one end of the second joint, and the other ends of the first joint and the second joint are both connected to the alarm.
8. The monitoring device for the servomotor of claim 7, wherein the first joint and the second joint are both conductive strips.
9. The monitoring device for the servomotor of claim 1, wherein at least a portion of the bottom of the base plate is inclined, and the oil collecting port is located at a lowest portion of the bottom of the base plate.
10. A monitoring device for a servomotor according to claim 9, wherein the bottom of the chassis has a slope of 15% to 25%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220191841.5U CN217129988U (en) | 2022-01-24 | 2022-01-24 | Monitoring device for oil-operated machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220191841.5U CN217129988U (en) | 2022-01-24 | 2022-01-24 | Monitoring device for oil-operated machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217129988U true CN217129988U (en) | 2022-08-05 |
Family
ID=82622573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220191841.5U Active CN217129988U (en) | 2022-01-24 | 2022-01-24 | Monitoring device for oil-operated machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217129988U (en) |
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2022
- 2022-01-24 CN CN202220191841.5U patent/CN217129988U/en active Active
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