CN220929812U - Closed hydraulic servo oil source structure - Google Patents
Closed hydraulic servo oil source structure Download PDFInfo
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- CN220929812U CN220929812U CN202322767061.8U CN202322767061U CN220929812U CN 220929812 U CN220929812 U CN 220929812U CN 202322767061 U CN202322767061 U CN 202322767061U CN 220929812 U CN220929812 U CN 220929812U
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- oil tank
- main pump
- frame assembly
- tank frame
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- 238000004140 cleaning Methods 0.000 claims abstract description 3
- 239000003921 oil Substances 0.000 claims description 190
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 32
- 230000035939 shock Effects 0.000 claims description 18
- 239000010724 circulating oil Substances 0.000 claims description 11
- 239000010720 hydraulic oil Substances 0.000 claims description 11
- 239000006096 absorbing agent Substances 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 6
- 238000001914 filtration Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 7
- 238000009423 ventilation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
Abstract
A closed hydraulic servo oil source structure belongs to the technical field of servo hydraulic equipment. The remote control box is connected with the oil tank frame assembly in an embedded mode, the side of the remote control box is provided with the connecting pressure gauge side by side, the side face of the oil tank frame assembly is connected with the door plate, the top face of the oil tank frame assembly is connected with the protecting cover, the door plate and the protecting cover form a closed structure of an oil source, the protecting cover is connected with the oil tank frame through screws, the door plate is provided with a ventilating window, the cleaning cover is an opening of the oil tank, the oil tank frame assembly is internally provided with a main pump motor assembly, a main pump assembly pipeline, a main pump block group, a circulating pump group pipeline, an oil return pipeline and the remote control box, and the main pump motor assembly is connected with the oil tank frame assembly.
Description
Technical Field
The utility model relates to a closed hydraulic servo oil source structure, and belongs to the technical field of servo hydraulic equipment.
Background
The hydraulic servo system has irreplaceable effects in the control field by virtue of the special high output and high control precision, the hydraulic oil source is used as an energy source supply part, the pressure pulsation is required to be provided, the cleanliness is high, the system pressure and flow requirements of oil are met within a certain temperature range, however, the research on related products of the current hydraulic oil source series is not deep enough, products of various factories are different, the technical level is good, the continuous iteration is required to be improved, and therefore, the hydraulic servo oil source product with better standardization and better economy is searched out.
Disclosure of utility model
In order to fill the technical blank and prepare for the later product upgrade, the utility model provides a closed hydraulic servo oil source structure.
A closed hydraulic servo oil source structure is characterized in that a remote control box is connected with an oil tank frame assembly in an embedded mode, a pressure gauge is vertically arranged beside the remote control box and is connected with a side face of the oil tank frame assembly, a door plate is connected with the top face of the oil tank frame assembly, the door plate and the door plate form a closed structure of an oil source, the door plate is connected with the oil tank frame assembly through bolts, a ventilating window is formed in the door plate, a cleaning cover is an opening of the oil tank, a main pump motor assembly, a main pump group pipeline, a main pump block group, a circulating pump group pipeline, an oil return pipeline and a remote control box are arranged in the oil tank frame assembly, the main pump motor assembly is connected with the oil tank frame assembly, a filter, an overflow valve, a reversing valve and a throttle valve of the main pump group are respectively connected with the main pump valve block, the circulating pump group is integrally connected with the oil tank frame assembly, a circulating pump outlet of the circulating pump group is connected to an oil inlet of the plate heat exchanger, the plate heat exchanger is connected with an oil return filter, an oil suction inlet of the main pump on the motor assembly is connected to the bottom of the main pump, a main pump of the circulating pump group is connected to the oil tank, an oil suction inlet of the circulating pump on the circulating pump group is connected to the circulating pump, the circulating pump is connected with the plate heat exchanger through the plate heat exchanger, the filter is arranged in the oil tank filter, the filter is arranged at the side of the oil tank filter, the filter is filled with the air level sensor, the filter is filled in the air tank is filled with the air tank, and is heated by the air filter, and is cooled down by the temperature sensor, and is cooled down by the air, and is cooled down by the temperature sensor, and is cooled down by the air, and is cooled by the air, and cooled by the air, the oil return pipeline is respectively connected with the first one-way valve and the second one-way valve.
The plate heat exchanger has a water inlet and a water return port, and the water inlet pipeline has concatenated electromagnetic water valve and water filter, and oil tank frame assembly has circular observation hole, and the bumper shock absorber is installed to the motor bottom, and the shock attenuation strip is installed to circulating pump motor bottom, and the circulating pump motor of circulating pump group adopts screw connection with the bell jar, and the bell jar adopts screw connection to link to each other with the circulating oil pump, and the main pump motor of main pump motor assembly adopts screw connection with the bell jar, and the bell jar adopts screw connection to link to each other with the high-pressure oil pump, and circulating pump motor group sets up in the side below of oil tank.
The hydraulic servo oil source structure has the advantages and beneficial effects that the integral ash-proof layer protects the internal hydraulic element, effectively prolongs the service life of the hydraulic element, has small running noise, causes less noise pollution, and has the advantages of simple structure, high space utilization rate, attractive appearance, good energy-saving effect, wide application range, high oil filtering precision and filtering efficiency, rapid oil temperature regulation of an independent circulating filtering temperature regulating system and good economic performance.
Drawings
The utility model, together with a more complete and thorough understanding of the many of the attendant features thereof, will become more fully apparent by reference to the following detailed description, when taken in conjunction with the accompanying drawings, wherein the accompanying drawings are included to provide a further understanding of the utility model, and wherein the description of the utility model, and the exemplary embodiments of the utility model are shown by way of illustration of example and not limitation of the utility model, and wherein:
FIG. 1 is a schematic diagram of the overall configuration of the closed hydraulic servo oil source of the present utility model.
Fig. 2 is a schematic view of the internal structure of the closed hydraulic servo oil source of the present utility model.
FIG. 3 is a schematic diagram of the motor assembly of the closed hydraulic servo oil source main pump of the present utility model.
FIG. 4 is a schematic diagram of the structure of the main pump block set of the closed hydraulic servo oil source of the present utility model.
FIG. 5 is a schematic diagram of the structure of the closed hydraulic servo oil source circulating pump set.
FIG. 6 is a schematic diagram of the pipeline structure of the closed hydraulic servo oil source circulating pump set.
FIG. 7 is a schematic diagram of the closed hydraulic servo oil return line structure of the present utility model.
FIG. 8 is a schematic diagram of the structure of the closed hydraulic servo oil source tank of the present utility model.
Detailed Description
It will be apparent that many modifications and variations are possible within the scope of the utility model, as will be apparent to those skilled in the art based upon the teachings herein.
It will be obvious to those skilled in the art that, as used herein, the singular forms "a," "an," "the," and "the" include plural referents unless the context clearly dictates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element or component is referred to as being "connected" to another element or component, it can be directly connected to the other element or component or intervening elements or components may also be present. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Unless specifically stated or limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art.
In order to facilitate understanding of the embodiments, further explanation will be provided in connection with the following, and the respective embodiments do not constitute limitation of the embodiments. The closed hydraulic servo oil source of the present utility model will be further described with reference to the accompanying drawings.
Example 1: as shown in fig. 1, 2, 3, 4, 5, 6, 7 and 8, a closed hydraulic servo oil source structure is shown, and as shown in fig. 1, an oil tank frame assembly 1 is a mounting base of other assemblies, and a hydraulic oil tank is integrally welded to the frame assembly.
The remote control box 2 is connected with the oil tank frame assembly 1 in an embedded mode, 4 pressure gauges 3 are vertically arranged beside the remote control box 2, and the pressure gauges 3 are sequentially arranged from top to bottom: system pressure gauge, 1# pump pressure gauge, 2# pump pressure gauge, and circulation pump pressure gauge.
The door plant 7 is connected to the side of oil tank frame subassembly 1, and guard shield 5 is connected to the top surface of oil tank frame subassembly 1, and door plant 7 and guard shield 5 constitute the closed structure of oil source, and guard shield 5 passes through the screw to be connected with oil tank frame 1, and it has ventilation window 4 to open on door plant 4, and clean lid 6 is the opening of oil tank.
As shown in fig. 2, the main pump motor assembly 8, the main pump group pipeline 9, the main pump block group 10, the circulating pump group 11, the circulating pump group pipeline 12, the oil return pipeline 13 and the remote control box 2 are installed in the oil tank frame assembly 1, and the oil tank frame assembly 1 is provided with a circular observation hole 40.
As shown in fig. 3, the main pump motor assembly 8 comprises a main pump motor 14, a high-pressure oil pump 17, a shock absorber 15 and a bell jar coupler 16, the main pump motor 14 and the bell jar 16 are connected by bolts, the bell jar 16 and the high-pressure oil pump 17 are connected by bolts, 4 shock absorbers 15 are installed at the bottom of the motor, then the whole motor is connected with the oil tank frame assembly 1, and the shock absorbers 15 can effectively reduce the vibration generated when the main pump motor 14 and the high-pressure oil pump 17 run and be transmitted to the servo oil source frame assembly 1, so that the noise is effectively reduced.
As shown in fig. 4, the main pump block group 10 includes a main pump valve block 18, two fine filters 22, two relief valves 19, a reversing valve 20, and a throttle valve 21, and the filters 22, the relief valves 19, the reversing valve 20, and the throttle valve 21 are connected to the main pump valve block 18, respectively, to perform functions of filtering, limiting the maximum pressure, and unloading the oil output from the pressure pump.
As shown in fig. 5, the circulating pump set 11 includes a circulating pump motor 23, a circulating oil pump 25, a shock absorber 26 and a bell jar 24, the circulating pump motor 23 is connected with the bell jar 24 by bolts, the bell jar 24 is connected with the circulating oil pump 25 by bolts, 2 shock absorbing strips 26 are installed at the bottom of the circulating pump motor 23, the circulating pump set 11 is integrally connected with the oil tank frame assembly 1, and the shock absorbing strips 26 can effectively reduce the shock generated when the circulating pump motor 23 and the circulating oil pump 25 run and be transmitted to the servo oil source frame assembly 1, so that the noise is effectively reduced.
As shown in fig. 6, the circulating pump set pipeline comprises a plate heat exchanger 27 and an oil return filter 30, an oil outlet of the circulating pump is connected to an oil inlet of the plate heat exchanger 27, and hot oil enters the oil return filter 30 for filtering after passing through the plate heat exchanger 27, and directly flows back to the hydraulic oil tank after filtering.
The plate heat exchanger 27 is in a water cooling mode, and is provided with a water inlet and a water return port, an electromagnetic water valve 28 and a water filter 29 are connected in series on a water inlet pipeline, filtered water enters the plate heat exchanger 27 to take away part of heat in hot oil, and the temperature of oil is lowered.
The oil tank sets up in the top of main pump motor assembly 8, and the oil suction port of main pump on the main pump motor assembly 8 is connected to the oil tank bottom, and the main pump oil-out of main pump motor assembly 8 is connected to main pump group 10, and the pressure oil is exported to the total P mouth of oil source (i.e. the oil pressure port in fig. 4) after filtering and the restriction highest pressure of main pump group 10.
The circulating pump motor group 11 is arranged below the side of the oil tank, an oil suction port of a circulating pump 25 on the circulating pump motor group 11 is connected to the oil tank, an oil outlet of the circulating pump is connected to the plate heat exchanger 27, an oil outlet of the plate heat exchanger 27 is connected to an inlet of the circulating oil return filter 30, and oil returns to the oil tank after passing through the oil return filter 30. The remote control box 2 is embedded within the tank frame assembly. The exposed parts of the oil tank are all sealed by using fixed or detachable door plates 7, and detachable ventilation windows 4 are arranged on the fixed or detachable door plates 7, as shown in figure 1.
As shown in fig. 8, the oil tank is connected to 1 liquid level sensor 35, 1 liquid level relay 36, first hydraulic oil return filter 30, second hydraulic oil return filter 31, 2 air filters 34, 1 temperature sensor 39, 1 thermometer 38, and 4 heaters 37, respectively.
The embedded remote control box is vertically arranged beside and is provided with 4 pressure gauges 3, as shown in fig. 1, and the pressure display is as follows from top to bottom in sequence: system pressure, pump pressure # 1, pump pressure # 2, and circulation pump pressure.
The oil tank frame assembly 1 is provided with a circular observation hole 40 with the diameter of 200mm on a sealing plate, namely a piece shown in fig. 2, for observing the real-time temperature of oil and whether oil leakage exists.
As shown in fig. 7, the oil return pipeline 13 is respectively connected with a first check valve 33 and a second check valve 32, the front of the oil return tank is branched, two check valves with opposite directions are connected to the two branches, wherein the first check valve 33 increases one back pressure for oil return, so that the arrow faces the direction of the oil tank, and the second check valve 32 can absorb oil from the oil tank when the pipeline is under negative pressure, so that the arrow faces outwards.
The upper part of the oil tank frame assembly 1 is sealed by a shield 5, and the shield 5 is detachably connected with the oil tank frame by bolts.
The side of the oil tank frame assembly 1 is provided with a water inlet and a water return port of the plate heat exchanger 27, an electromagnetic cut-off valve 28 and a water filter 29 are arranged on a water inlet pipeline, and the plate heat exchanger 27 can effectively cool oil in the oil tank.
The servo oil source can be used as the oil source of various hydraulic servo systems with the flow rate not exceeding 120L/min and the pressure not exceeding 18 Mpa.
Example 2: as shown in fig. 1, 2, 3, 4, 5, 6, 7 and 8, a closed hydraulic servo oil source structure is provided, an oil tank frame assembly 1 is a mounting base of other assemblies, and a hydraulic oil tank is integrally welded to the frame assembly. The remote control box 2 is embedded to be installed on the oil tank frame assembly 1, and 4 manometers 3 are arranged side by side to be installed vertically to the next side of remote control box 2, and the pressure is from top to bottom in proper order: system pressure, pump pressure # 1, pump pressure # 2, and circulation pump pressure. The oil tank frame assembly 1 uses 7 door plant and 5 guard shields to enclose whole oil tank frame assembly 1 into closed structure, and guard shield 5 adopts the mode of screw to be connected with oil tank frame 1, and it has ventilation window 4 to open on the door plant 4, guarantees inside circulation of air, and clean lid 6 is as the opening of oil tank for clear up the hydraulic tank of integration in oil tank frame assembly 1.
As shown in fig. 2, the servo oil source structure comprises an oil tank frame assembly 1, wherein a main pump motor assembly 8, a main pump group pipeline 9, a main pump block group 10, a circulating pump group 11, a circulating pump group pipeline 12, an oil return pipeline 13 and a remote control box 2 are arranged in the oil tank frame assembly. As shown in fig. 3: the main pump motor assembly 8 comprises a main pump motor 14, a high-pressure oil pump 17, a shock absorber 15 and a bell jar coupler 16, wherein the main pump motor 14 is connected with the bell jar 16 through bolts, the bell jar 16 is connected with the high-pressure oil pump 17 through bolts, 4 shock absorbers 15 are arranged at the bottom of the motor, then the motor is integrally connected with the oil tank frame assembly 1, and the shock absorbers 15 can effectively reduce the vibration generated when the main pump motor 14 and the high-pressure oil pump 17 run and be transmitted to the servo oil source frame assembly 1, so that the noise is effectively reduced; as shown in fig. 4: the main pump block group 10 comprises a main pump valve block 18, two fine filters 22, two overflow valves 19, a reversing valve 20 and a throttle valve 21, wherein the filters 22, the overflow valves 19, the reversing valve 20 and the throttle valve 21 are detachably fixed on the main pump valve block 18 by using fixing screws or threads, so that the functions of filtering, limiting the highest pressure and unloading the oil output by a pressure pump are completed; as shown in fig. 5: the circulating pump set 11 comprises a circulating pump motor 23, a circulating oil pump 25, a shock absorber 26 and a bell jar 24, wherein the circulating pump motor 23 is connected with the bell jar 24 by adopting a screw, the bell jar 24 is connected with the circulating oil pump 25 by adopting a screw, 2 shock absorbing strips 26 are arranged at the bottom of the motor and then are integrally connected with the oil tank frame assembly 1, and the shock absorbing strips 26 can effectively reduce the shock generated when the circulating pump motor 23 and the circulating oil pump 25 run and be transmitted to the servo oil source frame assembly 1, so that the noise is effectively reduced; as shown in fig. 6: the circulating pump set pipeline comprises a plate heat exchanger 27 and an oil return filter 30, an oil outlet of the circulating pump is connected to an oil inlet of the plate heat exchanger, hot oil enters the oil return filter 30 for filtering after passing through the plate heat exchanger, and directly flows back to a hydraulic oil tank after filtering, the plate heat exchanger is in a water cooling mode, and is provided with a water inlet and a water return port, an electromagnetic water valve 28 and a water filter 29 are connected in series on the water inlet pipeline, filtered water enters the plate heat exchanger 27, and part of heat in hot oil is taken away to cool oil. The oil tank sets up in the top of main pump motor assembly, and the oil suction port of main pump on the main pump motor assembly 8 is connected to the oil tank bottom, and the oil-out of main pump is connected to the main pump group, and the pressure oil is after the filtration of main pump group 10 and restriction highest pressure, exports the total P mouth of oil source. The circulating pump motor group 11 is arranged below the side of the oil tank, an oil suction port of a circulating pump 25 on the circulating pump motor group is connected to the oil tank, an oil outlet of the circulating pump is connected to the plate heat exchanger 27, an oil outlet of the plate heat exchanger 27 is connected to an inlet of a circulating oil return 30 filter, and oil returns to the oil tank after passing through the oil return filter 30. The remote control box 2 is embedded within the tank frame assembly. The exposed parts of the oil tank are all sealed by using fixed or detachable door plates 7, and detachable ventilation windows 4 are arranged on the fixed or detachable door plates 7, as shown in figure 1.
As shown in fig. 8, the oil tank is further provided with 1 liquid level sensor 35, 1 liquid level relay 36,2, hydraulic oil return filters 30 and 31, 2 air filters 34, 1 temperature sensor 39, 1 thermometer 38, and 4 heaters 37.
The embedded remote control box is vertically arranged beside and is provided with 4 pressure gauges 3, as shown in fig. 1, and the pressure display is as follows from top to bottom in sequence: system pressure, pump pressure # 1, pump pressure # 2, and circulation pump pressure.
The oil tank frame assembly 1 is provided with a circular observation hole with the diameter of 200mm, namely a piece 40 shown in fig. 2, on a sealing plate, and the circular observation hole is used for observing the real-time temperature of oil and whether oil leakage exists.
As shown in fig. 7, the oil return pipeline 13 is branched before the oil return tank, two check valves with opposite directions are connected to the two branches, one check valve 33 increases a back pressure for oil return, so that an arrow faces the direction of the oil tank, and the other check valve 32 is used for sucking oil from the oil tank when the pipeline is under negative pressure, so that the arrow faces outwards from the oil tank.
The upper part of the oil tank frame assembly 1 is sealed by a shield 5, and the shield 5 is detachably connected with the oil tank frame by bolts.
The side of the oil tank frame assembly 1 is provided with a water inlet and a water return port of the plate heat exchanger 27, an electromagnetic cut-off valve 28 and a water filter 29 are arranged on a water inlet pipeline, and the plate heat exchanger 27 can effectively cool oil in the oil tank. The servo oil source can be used as the oil source of various hydraulic servo systems with the flow rate not exceeding 120L/min and the pressure not exceeding 18 Mpa.
As described above, the embodiments of the present utility model have been described in detail, but it will be apparent to those skilled in the art that many modifications can be made without departing from the spirit and effect of the present utility model. Accordingly, such modifications are also entirely within the scope of the present utility model.
Claims (6)
1. A closed hydraulic servo oil source structure is characterized in that a remote control box is connected with an oil tank frame assembly in an embedded mode, a pressure gauge is vertically arranged beside the remote control box and is connected with a door plate, the side face of the oil tank frame assembly is connected with a door plate, the top face of the oil tank frame assembly is connected with a protecting cover, the door plate and the protecting cover form a closed structure of an oil source, the protecting cover is connected with the oil tank frame by a screw, a ventilating window is formed in the door plate, a cleaning cover is an opening of the oil tank, a main pump motor assembly, a main pump assembly pipeline, a main pump block group, a circulating pump pipeline, an oil return pipeline and a remote control box are arranged in the oil tank frame assembly, the main pump motor assembly is connected with the oil tank frame assembly, a filter, an overflow valve, a reversing valve and a throttle valve of the main pump block are respectively connected with the main pump, the oil outlet of the circulating pump on the circulating pump set is connected with the oil inlet of the plate heat exchanger, the plate heat exchanger is connected with the oil return filter, the oil suction port of the main pump on the main pump motor assembly is connected to the bottom of the oil tank, the oil outlet of the main pump on the main pump motor assembly is connected to the main pump block set, the oil suction port of the circulating pump on the circulating pump motor assembly is connected to the oil tank, the oil outlet of the circulating pump is connected to the plate heat exchanger, the oil outlet of the plate heat exchanger is connected to the inlet of the circulating oil return filter, the oil returns to the oil tank after passing through the oil return filter, the remote control tank is embedded into the oil tank frame assembly, the oil tank is respectively connected with the liquid level sensor, the liquid level relay, the first hydraulic oil return filter, the second hydraulic oil return filter, the air filter, the temperature sensor and the thermometer heater, the pressure gauge is vertically arranged beside the embedded remote control tank, the oil return pipeline is respectively connected with the first one-way valve and the second one-way valve.
2. The closed hydraulic servo oil source structure according to claim 1, wherein the plate heat exchanger is provided with a water inlet and a water return port, and the water inlet pipeline is connected with an electromagnetic water valve and a water filter in series.
3. The closed hydraulic servo oil supply structure according to claim 1, wherein the oil tank frame assembly has a circular viewing aperture.
4. The closed hydraulic servo oil source structure according to claim 1, wherein the shock absorber is installed at the bottom of the motor, and the shock absorbing strip is installed at the bottom of the circulating pump motor.
5. The closed hydraulic servo oil source structure according to claim 1, wherein the circulating pump motor of the circulating pump group is connected with the bell jar by a screw, and the bell jar is connected with the circulating oil pump by a screw.
6. The closed hydraulic servo oil source structure according to claim 1, wherein the main pump motor of the main pump motor assembly is connected with the bell jar by bolts, the bell jar is connected with the high-pressure oil pump by bolts, and the circulating pump motor group is arranged below the side of the oil tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322767061.8U CN220929812U (en) | 2023-10-16 | 2023-10-16 | Closed hydraulic servo oil source structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322767061.8U CN220929812U (en) | 2023-10-16 | 2023-10-16 | Closed hydraulic servo oil source structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220929812U true CN220929812U (en) | 2024-05-10 |
Family
ID=90935389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322767061.8U Active CN220929812U (en) | 2023-10-16 | 2023-10-16 | Closed hydraulic servo oil source structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220929812U (en) |
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2023
- 2023-10-16 CN CN202322767061.8U patent/CN220929812U/en active Active
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