CN218817343U - Hydraulic cylinder control system - Google Patents
Hydraulic cylinder control system Download PDFInfo
- Publication number
- CN218817343U CN218817343U CN202223514406.0U CN202223514406U CN218817343U CN 218817343 U CN218817343 U CN 218817343U CN 202223514406 U CN202223514406 U CN 202223514406U CN 218817343 U CN218817343 U CN 218817343U
- Authority
- CN
- China
- Prior art keywords
- oil cylinder
- hydraulic oil
- cylinder
- hydraulic
- switch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 71
- 239000003921 oil Substances 0.000 claims abstract description 16
- 230000001681 protective effect Effects 0.000 claims abstract description 14
- 230000009471 action Effects 0.000 claims abstract description 9
- 238000012544 monitoring process Methods 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 10
- 230000007246 mechanism Effects 0.000 claims description 3
- 239000004744 fabric Substances 0.000 description 8
- 239000010802 sludge Substances 0.000 description 8
- 239000013589 supplement Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Images
Landscapes
- Actuator (AREA)
Abstract
A hydraulic oil cylinder control system is used for controlling a piston rod of a hydraulic oil cylinder to prevent the piston rod from inclining to damage a basket and comprises a basket body which is of a shaft-shaped structure; the hydraulic oil cylinder is positioned above the frame basket, and the lower end of a piston rod of the hydraulic oil cylinder is connected with a pressing plate; the sensor trigger plate is arranged on one side of the hydraulic oil cylinder and can synchronously do lifting motion along with a piston rod of the hydraulic oil cylinder; the protective switch is positioned on one side of the hydraulic oil cylinder, and the pressing plate at the lower end of the piston rod of the hydraulic oil cylinder is positioned in the basket when the sensor trigger plate touches the protective switch; and the hydraulic station is connected with the hydraulic oil cylinder and used for controlling the action of the hydraulic oil cylinder, and when the sensor trigger plate is positioned above the protective switch, the oil supply amount of the hydraulic station to the hydraulic oil cylinder is smaller than that of the hydraulic station when the sensor trigger plate is positioned below the protective switch.
Description
Technical Field
The utility model belongs to the technical field of sludge treatment, a hydraulic cylinder control system is related to.
Background
The sludge treatment refers to the processes of reduction, stabilization and harmlessness, such as concentration, conditioning, dehydration, stabilization, drying or incineration and the like, of the sludge. In the earlier stage of the sludge treatment process, wet sludge is coated by adopting filter cloth, then the filter cloth is placed in a basket, and then a hydraulic oil cylinder is adopted to apply pressure to the filter cloth. When the piston rod of the hydraulic oil cylinder inclines, the piston rod cannot smoothly go deep into the frame basket, and the upper edge of the frame basket is extruded, so that the structure of the frame basket is deformed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a hydraulic cylinder control system can control the action of pushing down of hydraulic cylinder's piston rod, when the piston rod takes place to incline, in time stops hydraulic cylinder's work, prevents to cause extrusion deformation to the basket, and concrete technical scheme is as follows:
a hydraulic cylinder control system comprising:
a basket having a shaft-like structure;
the hydraulic oil cylinder is positioned above the frame basket, and the lower end of a piston rod of the hydraulic oil cylinder is connected with a pressing plate;
the sensor trigger plate is arranged on one side of the hydraulic oil cylinder and can synchronously perform lifting motion along with a piston rod of the hydraulic oil cylinder;
the protective switch is positioned on one side of the hydraulic oil cylinder, the protective switch can be touched by the sensor trigger plate to start the protective switch when the sensor trigger plate descends along with the piston rod of the hydraulic oil cylinder, and the protective switch has a certain vertical height, so that the pressing plate at the lower end of the piston rod of the hydraulic oil cylinder is positioned in the basket when the sensor trigger plate touches the protective switch;
and the hydraulic station is connected with the hydraulic oil cylinder and used for controlling the action of the hydraulic oil cylinder, and when the sensor trigger plate is positioned above the protection switch, the downward pressure of a piston rod of the hydraulic oil cylinder is smaller than that of the piston rod of the hydraulic oil cylinder when the sensor trigger plate is positioned below the protection switch.
As a supplement of the technical scheme, the frame basket device further comprises an oil cylinder upper beam, wherein the oil cylinder upper beam is arranged above the frame basket through a support column, the oil cylinder is arranged on the oil cylinder upper beam, a vertical through hole is formed in the oil cylinder upper beam, and a cylinder sleeve of the oil cylinder penetrates through the vertical through hole and is fixed on the oil cylinder upper beam.
As a supplement of the technical scheme, the hydraulic cylinder device further comprises a guide rod, a guide through hole for the guide rod to penetrate through is further formed in the upper beam of the hydraulic cylinder, the lower end of the guide rod is connected with a pressing plate at the lower end of a piston rod of the hydraulic cylinder, the upper end of the guide rod is located above the upper beam of the hydraulic cylinder, and the sensor trigger plate is arranged at the upper end of the guide rod.
As a supplement of the technical scheme, the guide rods are provided with four groups and surround the periphery of a piston rod of the hydraulic oil cylinder, and the sensor trigger plate is arranged at the upper end of one guide rod.
The hydraulic oil cylinder driving device comprises a guide rod, a sensor trigger plate and a position switch, wherein the sensor trigger plate is arranged at the upper end of the guide rod, the position switch is arranged above a protection switch, the position switch can be touched by the sensor trigger plate to start the position switch, when the sensor trigger plate at the upper end of the guide rod touches the position switch in the lifting process of a hydraulic oil cylinder driving piston rod, the position switch transmits a signal to a hydraulic station, and a driving mechanism of the hydraulic station stops supplying oil to the hydraulic oil cylinder to stop the hydraulic oil cylinder.
As a supplement to the technical scheme, the device further comprises an upright post, wherein the upright post is vertically arranged on the upper beam of the oil cylinder, and the in-place switch and the protection switch are arranged on the upright post.
As a supplement to the technical scheme, the alarm device also comprises a time monitoring system and an alarm device, wherein the alarm device is connected with the time monitoring system,
the time monitoring system is connected with the in-place switch and the protection switch, the time monitoring system is set to be that in the descending process of the hydraulic oil cylinder, the time from the uniform motion of the in-place switch to the protection switch of the sensor trigger plate exceeds the preset time of the time monitoring system, the time monitoring system transmits a signal to the alarm, and the alarm gives an alarm.
Has the beneficial effects that: the utility model discloses in an aspect, through the setting of protection switch and hydraulic pressure station, can realize that control sets up the holding down force of clamp plate on hydraulic cylinder before getting into the basket, avoid taking place the problem of the lateral margin compression deformation of basket, cooperation alarm system in addition, when taking place the piston rod and take place to incline and push down to the basket, the staff can in time stop hydraulic cylinder's work through the hydraulic pressure station. The probability of occurrence of the problem of inclination of the piston rod can be reduced by the arrangement of the guide rod.
Drawings
Fig. 1 is a schematic view of the three-dimensional structure of the present invention.
Fig. 2 is a schematic view of the three-dimensional structure of the present invention.
Wherein: 1. the device comprises a basket, 2 hydraulic cylinders, 3 sensor trigger plates, 4 pressure plates, 5 protection switches, 6 upright posts, 7 oil cylinder upper beams, 8 guide rods and 9 in-place switches.
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 work belong to the protection scope of the present invention.
As shown in fig. 1 and 2, a hydraulic cylinder control system includes:
the frame basket 1 is of a shaft-shaped structure and is used for placing filter cloth coated with sludge.
The hydraulic cylinder 2 is located above the basket 1, the lower end of a piston rod of the hydraulic cylinder 2 is connected with the pressing plate 4, when the piston rod of the hydraulic cylinder 2 moves downwards, the pressing plate 4 is driven to compress the filter cloth in the basket 1, water in sludge in the filter cloth is extruded out, and mud-water separation is achieved.
And the sensor trigger plate 3 is arranged on one side of the hydraulic oil cylinder 2 and can synchronously do lifting motion along with a piston rod of the hydraulic oil cylinder 2.
And the protection switch 5 is positioned on one side of the hydraulic oil cylinder 2 and is at a certain horizontal height. The protection switch 5 can be touched by the sensor trigger plate 3 to start the protection switch 5 in the descending process of the sensor trigger plate 3 along with the piston rod of the hydraulic oil cylinder 2, and the protection switch 5 has a certain vertical height, so that when the sensor trigger plate 3 touches the protection switch 5, the pressing plate 4 at the lower end of the piston rod of the hydraulic oil cylinder 2 is positioned in the basket 1.
And the hydraulic station is connected with the hydraulic oil cylinder 2 and used for controlling the action of the hydraulic oil cylinder 2, and when the sensor trigger plate 3 is positioned above the protection switch 5, the downward pressure of a piston rod of the hydraulic oil cylinder 2 is smaller than the downward pressure of the piston rod of the hydraulic oil cylinder 2 when the sensor trigger plate 3 is positioned below the protection switch 5. When the sensor trigger plate 3 is positioned above the protection switch 5, the downward pressure of the piston rod of the hydraulic oil cylinder 2 is smaller than the downward pressure of the piston rod of the hydraulic oil cylinder 2 when the sensor trigger plate 3 is positioned below the protection switch 5.
The down pressure of the hydraulic oil cylinder 2 is determined by the load, the hydraulic system provides flow and pressure required by the action of the oil cylinder through a plunger pump and a pressure regulating valve, and the stability of the oil cylinder is controlled by a balance valve.
In the process of the pressing-down action of the piston rod, when the sensor trigger plate 3 is positioned above the protection switch 5, namely the sensor trigger plate 3 does not touch the protection switch 5, namely the press plate 4 of the piston rod of the hydraulic oil cylinder 2 slowly falls at a constant speed before entering the basket 1, when the piston rod of the hydraulic oil cylinder 2 inclines to cause the press plate 4 at the lower end of the piston rod to press the side edge of the upper end of the basket 1, the problem of compression deformation of the side edge of the basket 1 is avoided due to the fact that the pressing force is small, enough reaction time is also provided for workers, and the pressing-down action of the emergency stop piston rod can be controlled through the emergency stop hydraulic station. When the sensor trigger plate 3 touches the protection switch 5, the downward pressure of the piston rod of the sensor trigger plate is increased through the load control of the hydraulic oil cylinder 2, at the moment, the press plate 4 on the hydraulic oil cylinder 2 compresses the filter cloth in the basket 1, and the water content in the sludge in the filter cloth is extruded out, so that the mud-water separation is realized.
As the utility model discloses an it is preferred technical scheme, still include hydro-cylinder upper beam 7, hydro-cylinder upper beam 7 is used for fixing hydraulic cylinder 2, hydro-cylinder upper beam 7 through the pillar set up in the top of basket 1 is equipped with vertical through-hole on the hydro-cylinder upper beam 7, and hydraulic cylinder 2's cylinder liner passes vertical through-hole is fixed in on the hydro-cylinder upper beam 7.
As the utility model discloses an optimal technical scheme still includes guide bar 8, still offer the direction through-hole that is used for guide bar 8 to pass on the hydro-cylinder entablature 7, the lower extreme of guide bar 8 is connected with clamp plate 4 of the lower extreme of hydraulic cylinder 2's piston rod, and the upper end of guide bar 8 is located the top of hydro-cylinder entablature 7, sensor trigger plate 3 sets up in the upper end of guide bar 8, and guide bar 8 can drive sensor trigger plate 3 and together be elevating movement. Through the setting of guide bar 8, can provide the direction to hydraulic cylinder 2's the elevating movement of piston rod, reduce the problem emergence probability that can the cock stem slope.
As a preferable technical solution of the above embodiment, the guide rods 8 are provided with four groups and surround the periphery of the piston rod of the hydraulic oil cylinder 2, and the sensor trigger plate 3 is disposed at the upper end of one of the guide rods 8.
As the preferred technical scheme of the utility model, still include switch 9 in place, switch 9 in place sets up in the top of protection switch 5, and switch 9 in place can be touched by sensor trigger plate 3 in order to start switch 9 in place. When the hydraulic oil cylinder 2 drives the piston rod to do lifting action, the sensor trigger plate 3 positioned at the upper end of the guide rod 8 touches the in-place switch 9 in the lifting process, the in-place switch 9 transmits a signal to the hydraulic station, and the driving mechanism of the hydraulic station stops supplying oil to the hydraulic oil cylinder 2, so that the hydraulic oil cylinder 2 stops working.
As the utility model discloses an optimal technical scheme still includes stand 6, 6 vertical settings on hydro-cylinder upper beam 7 of stand, switch 9 and protection switch 5 that target in place all set up in on the stand 6.
As the preferable technical proposal of the utility model, the utility model also comprises a time monitoring system and an alarm, the alarm is connected with the time monitoring system,
the time monitoring system is connected with the in-place switch and the protection switch, the time monitoring system is set to ensure that the time for the sensor trigger plate 3 to move from the in-place switch 9 to the protection switch 5 at a constant speed exceeds the preset time of the time monitoring system in the descending process of the hydraulic oil cylinder 2, the time monitoring system transmits a signal to the alarm, and the alarm gives an alarm to the alarm
The hydraulic oil cylinder 2 descends at a constant speed, and the oil supply pressure of the hydraulic oil cylinder is controlled by a hydraulic station.
In the above formula: t is the preset time for the alarm to give an alarm; l is the distance between the in-place switch and the protection switch; v is. And a piston rod of the hydraulic oil cylinder descends at a constant speed.
When the hydraulic oil cylinder 2 drives the sensor trigger plate 3 to descend, and the sensor trigger plate 3 touches the in-place switch 9, the in-place switch 9 transmits a signal to the time monitoring system, and the time monitoring system starts timing. The sensor trigger plate descends, and when the sensor trigger plate does not touch the inductive switch 5 within the preset time t of the time monitoring system, the pressure plate 4 is proved to be pressed down to the side wall of the basket 1, the time monitoring system transmits a signal to the alarm, and the alarm gives an alarm to remind a worker.
The above description is only for the purpose of creating a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (7)
1. A hydraulic cylinder control system, comprising:
a basket (1) having a shaft-like structure;
the hydraulic oil cylinder (2) is positioned above the frame basket (1), and the lower end of a piston rod of the hydraulic oil cylinder (2) is connected with a pressing plate (4);
the sensor trigger plate (3) is arranged on one side of the hydraulic oil cylinder (2) and can synchronously do lifting motion along with a piston rod of the hydraulic oil cylinder (2);
the protective switch (5) is positioned on one side of the hydraulic oil cylinder (2), the protective switch (5) can be touched by the sensor trigger plate (3) to start the protective switch (5) when the sensor trigger plate (3) descends along with a piston rod of the hydraulic oil cylinder (2), the protective switch (5) has a certain vertical height, and when the sensor trigger plate (3) touches the protective switch (5), a pressing plate (4) at the lower end of the piston rod of the hydraulic oil cylinder (2) is positioned in the basket (1);
and the hydraulic station is connected with the hydraulic oil cylinder (2) and is used for controlling the action of the hydraulic oil cylinder (2), and when the sensor trigger plate (3) is positioned above the protection switch (5), the downward pressure of a piston rod of the hydraulic oil cylinder (2) is smaller than the downward pressure of a piston rod of the hydraulic oil cylinder (2) when the sensor trigger plate (3) is positioned below the protection switch (5).
2. The hydraulic cylinder control system according to claim 1, further comprising an upper cylinder beam (7), wherein the upper cylinder beam (7) is arranged above the basket (1) through a support, the hydraulic cylinder (2) is arranged on the upper cylinder beam (7), a vertical through hole is formed in the upper cylinder beam (7), and a cylinder sleeve of the hydraulic cylinder (2) penetrates through the vertical through hole and is fixed on the upper cylinder beam (7).
3. The hydraulic cylinder control system according to claim 2, further comprising a guide rod (8), wherein a guide through hole for the guide rod (8) to pass through is further formed in the cylinder upper beam (7), the lower end of the guide rod (8) is connected with a pressing plate (4) at the lower end of a piston rod of the hydraulic cylinder (2), the upper end of the guide rod (8) is located above the cylinder upper beam (7), and the sensor trigger plate (3) is arranged at the upper end of the guide rod (8).
4. A hydraulic cylinder control system according to claim 3, wherein the guide rods (8) are arranged in four groups and surround the periphery of the piston rod of the hydraulic cylinder (2), and the sensor trigger plate (3) is arranged at the upper end of one of the guide rods (8).
5. The hydraulic oil cylinder control system according to claim 3, further comprising an in-place switch (9), wherein the in-place switch (9) is arranged above the protection switch (5), the in-place switch (9) can be touched by the sensor trigger plate (3) to start the in-place switch (9), when the sensor trigger plate (3) at the upper end of the guide rod (8) touches the in-place switch (9) in the lifting process of the hydraulic oil cylinder (2) driving piston rod, the in-place switch (9) transmits a signal to the hydraulic station, a driving mechanism of the hydraulic station stops supplying oil to the hydraulic oil cylinder (2), and the hydraulic oil cylinder (2) stops working.
6. The hydraulic cylinder control system according to claim 5, further comprising a vertical column (6), wherein the vertical column (6) is vertically arranged on the cylinder upper beam (7), and the in-place switch (9) and the protection switch (5) are arranged on the vertical column (6).
7. The hydraulic cylinder control system according to claim 5, further comprising a time monitoring system and an alarm, wherein the alarm is connected with the time monitoring system,
the time monitoring system is connected with the in-place switch (9) and the protection switch (5), the time monitoring system is set to be that in the descending process of the hydraulic oil cylinder (2), the time spent by the sensor trigger plate (3) to move from the in-place switch (9) to the protection switch (5) at a constant speed exceeds the preset time of the time monitoring system, the time monitoring system transmits a signal to the alarm, and the alarm gives an alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223514406.0U CN218817343U (en) | 2022-12-28 | 2022-12-28 | Hydraulic cylinder control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223514406.0U CN218817343U (en) | 2022-12-28 | 2022-12-28 | Hydraulic cylinder control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218817343U true CN218817343U (en) | 2023-04-07 |
Family
ID=87260062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223514406.0U Active CN218817343U (en) | 2022-12-28 | 2022-12-28 | Hydraulic cylinder control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218817343U (en) |
-
2022
- 2022-12-28 CN CN202223514406.0U patent/CN218817343U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207724458U (en) | A kind of plastic parts stamping equipment | |
| CN218817343U (en) | Hydraulic cylinder control system | |
| CN211331061U (en) | Loading and unloading device of servo manipulator | |
| CN218876042U (en) | Plate pressing device for rock wool plate production | |
| CN216615191U (en) | Connecting rod type compression device for compressed towel | |
| CN203992392U (en) | High pressure chest open type isostatic pressing machine | |
| CN207091657U (en) | A kind of Multifunctional single worker operated type needle machine for being easy to regulation | |
| CN207655723U (en) | Intelligent precise punching press drawing double-station shaped platform | |
| CN214774955U (en) | Full-automatic steel seal equipment of fire extinguisher foundation ring | |
| CN201111507Y (en) | Air bag type material storage box lifting device | |
| CN104057736B (en) | A kind of steel seal processing unit (plant) and stop means thereof | |
| CN114837923A (en) | Water pump switch controlled by water level regulation | |
| CN209439271U (en) | A kind of hydraulic tensioner system | |
| CN208484345U (en) | Novel pressing device of external wall heat preservation composite integrated plate | |
| CN221655160U (en) | Drug tablet granulator | |
| CN217393816U (en) | Deep hole machining device for machining die carrier | |
| CN201279566Y (en) | Hydraulic press | |
| CN215998653U (en) | Adjustable die structure for press | |
| CN215315189U (en) | Bottom cover pressing device for aerosol can production line | |
| CN216804509U (en) | Full-automatic hydraulic press easy to assemble | |
| CN219748443U (en) | Automatic brick receiving control mechanism | |
| CN213456474U (en) | Bending tester based on foot-operated controlling means | |
| CN207643331U (en) | A kind of adjustable dolly set component of nail angle machine | |
| CN221018229U (en) | Multi-hole punching mechanism for angle steel support | |
| CN218592831U (en) | Ejecting pressfitting tool of key cap |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A Hydraulic Cylinder Control System Effective date of registration: 20230609 Granted publication date: 20230407 Pledgee: Dalian Xigang District Enterprise Credit Financing Guarantee Co.,Ltd. Pledgor: DALIAN QINGWU ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD. Registration number: Y2023210000141 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20230407 Pledgee: Dalian Xigang District Enterprise Credit Financing Guarantee Co.,Ltd. Pledgor: DALIAN QINGWU ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD. Registration number: Y2023210000141 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A hydraulic cylinder control system Granted publication date: 20230407 Pledgee: Dalian Xigang District Enterprise Credit Financing Guarantee Co.,Ltd. Pledgor: DALIAN QINGWU ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD. Registration number: Y2024980023241 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20230407 Pledgee: Dalian Xigang District Enterprise Credit Financing Guarantee Co.,Ltd. Pledgor: DALIAN QINGWU ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD. Registration number: Y2024980023241 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A hydraulic cylinder control system Granted publication date: 20230407 Pledgee: Dalian Xigang District Enterprise Credit Financing Guarantee Co.,Ltd. Pledgor: DALIAN QINGWU ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD. Registration number: Y2024980030950 |