CN114704521A - Mode locking oil cylinder and multi-group built-in fast synchronous mode locking oil cylinder device - Google Patents
Mode locking oil cylinder and multi-group built-in fast synchronous mode locking oil cylinder device Download PDFInfo
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- CN114704521A CN114704521A CN202210349739.8A CN202210349739A CN114704521A CN 114704521 A CN114704521 A CN 114704521A CN 202210349739 A CN202210349739 A CN 202210349739A CN 114704521 A CN114704521 A CN 114704521A
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- cylinder
- piston rod
- output piston
- mode locking
- locking
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1428—Cylinders
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1438—Cylinder to end cap assemblies
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1447—Pistons; Piston to piston rod assemblies
- F15B15/1452—Piston sealings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1457—Piston rods
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2215/00—Fluid-actuated devices for displacing a member from one position to another
- F15B2215/30—Constructional details thereof
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Actuator (AREA)
Abstract
The invention discloses a mode locking oil cylinder and a plurality of groups of built-in fast synchronous mode locking oil cylinder devices, wherein the mode locking oil cylinder comprises a mode locking cylinder and a fast cylinder, the mode locking cylinder comprises a cylinder barrel, an output piston rod and an output piston which are connected with each other, the output piston rod and the output piston are movably arranged in the cylinder barrel, the output piston rod is provided with a hollow inner cavity, the fast cylinder is assembled in the hollow inner cavity of the output piston rod, the fast cylinder is provided with a driving piston rod and a driving piston, the driving piston is arranged at the end part of the driving piston rod, a small cylinder end cover is fixedly arranged in the output piston rod, the driving piston rod is provided with a hydraulic oil flow passage hole, hydraulic oil is input through the hydraulic oil flow passage hole, and the driving output piston rod moves axially relative to the driving piston rod. A multi-group built-in fast synchronous mode locking oil cylinder device comprises a mode locking mechanism and the mode locking oil cylinder. The invention provides a mode locking oil cylinder and a plurality of groups of built-in fast and synchronous mode locking oil cylinder devices, which have the advantages of few oil cylinder pipelines, high synchronism, fast speed, low height and the like.
Description
Technical Field
The invention relates to an oil cylinder mould locking technology, in particular to a mould locking oil cylinder and a plurality of groups of built-in quick synchronous mould locking oil cylinder devices.
Background
The mold locking device is used for locking and fixing a mold, and is generally applied to the fields of injection molding machines, extrusion molding machines and the like. In the prior art, a plurality of common oil cylinders are mostly adopted for mold locking and pressurizing, and due to the fact that the distance of a plurality of groups of oil cylinders is long, mechanical synchronization is difficult, and the structure has the defects of poor synchronism, low speed and the like when entering a factory. In addition, the oil cylinder has a plurality of pipelines, and winding and relative movement are easy to occur, so that the hidden danger of oil leakage of the pipelines is caused.
Disclosure of Invention
The invention aims to provide a mode locking oil cylinder and a plurality of groups of built-in fast and synchronous mode locking oil cylinder devices, which have the advantages of few oil cylinder pipelines, high synchronism, high speed, low height and the like.
In order to solve the technical problems, the technical scheme provided by the invention is as follows: the utility model provides a mode locking hydro-cylinder, including mode locking jar and quick jar, the mode locking jar includes the cylinder, interconnect's output piston rod and output piston, output piston rod and output piston activity are located in the cylinder, the output piston rod is equipped with the cavity inner chamber, quick jar assembly is in the cavity inner chamber of output piston rod, quick jar is equipped with drive piston rod and drive piston, drive piston locates drive piston rod's tip, the output piston rod internal stability has little cylinder end cover, be equipped with hydraulic fluid flow path hole on the drive piston rod, through hydraulic fluid flow path hole input hydraulic oil, the drive output piston rod is axial motion for drive piston rod.
According to the technical scheme, the driving piston rod and the driving piston are arranged in the hollow inner cavity of the output piston rod, the output piston rod is used as a cylinder sleeve of the quick cylinder, hydraulic oil is input through the hydraulic oil flow passage hole, the output piston rod and the output piston are driven to axially move relative to the quick cylinder under the pressure action of the hydraulic oil, and power is output.
In the mode locking oil cylinder, the end part of the output piston rod is connected with the connecting shaft and the clamping column head. The connecting shaft and the clamping column head are connected to the output piston rod and used for connecting or pressing the die, and the die is locked and fixed through power provided when the output piston rod extends out.
In the mode locking oil cylinder, the small cylinder plug is arranged between the small cylinder end cover and the connecting shaft in a cushioning mode. The small cylinder end cover and the small cylinder plug can be fixedly connected with a hollow inner cavity of the output piston rod in a threaded connection mode, hydraulic oil is input into a gap between the small cylinder end cover and the driving piston through a hydraulic oil flow passage hole, and the generated pressure pushes the small cylinder end cover to drive the output piston rod to extend out of the cylinder barrel and output power outwards.
The cylinder barrel of the mode locking oil cylinder is provided with the rear cover, the rear cover is provided with the top bridge plate, one end of the driving piston rod penetrates through the output piston and extends to the rear cover, and the top bridge plate is provided with the hydraulic oil inlet connected with the hydraulic oil flow channel hole of the driving piston rod. And a hydraulic oil input port is arranged on the bridge-crossing top plate and used for inputting hydraulic oil into the hydraulic oil flow passage hole, and the hydraulic oil flows in the hydraulic oil flow passage hole to drive the output piston rod to extend and retract.
In the mode locking oil cylinder, the cylinder barrel is provided with the front cover, and the front cover is provided with the oil cylinder seat. The oil cylinder base is used for installing and fixing the mold locking oil cylinders, and a plurality of mold locking oil cylinders are arranged on the upper template to form a plurality of groups of built-in quick synchronous mold locking oil cylinder devices.
Foretell mode locking hydro-cylinder covers after and is equipped with the fluid infusion pipe, and this fluid infusion pipe and cylinder intercommunication. When the hydraulic oil in the cylinder barrel of the mold locking cylinder is insufficient, the liquid supplementing pipe is used for inputting the hydraulic oil, so that the oil quantity of the hydraulic oil in the cylinder barrel is sufficient, and the oil pressure is stable.
In the mold locking oil cylinder, the mold locking oil cylinder oil pipe, the upper bridge plate and the lower bridge plate are arranged on the outer side of the cylinder barrel, and the mold locking oil cylinder oil pipe is communicated with the rodless cavity and the rod cavity inside the cylinder barrel through the upper bridge plate and the lower bridge plate. The oil pipe of the mold locking cylinder is communicated with the rod cavity and the rodless cavity inside the cylinder barrel through the upper bridge plate and the lower bridge plate, and hydraulic oil forms pressure balance when an output piston rod and an output piston move, so that the power output of the mold locking oil cylinder is stable, and the synchronous performance of the mold locking oil cylinders is good and the action is fast when the plurality of mold locking oil cylinders work simultaneously by combining a pipeline.
In the mode locking oil cylinder, the output piston rod is connected with the output piston through the flange. The sealing performance between the flange and the driving piston rod is good, the sliding performance of a hollow inner cavity in the output piston rod is good, the lubricating effect is good, and the damping in movement is reduced.
In the mode locking oil cylinder, the output piston is provided with the hole groove for sealing, and the sealing element is arranged in the hole groove, so that the output piston is in sealing fit with the driving piston rod. And in the axial movement of the output piston and the output piston rod, the output piston keeps good sealing performance with the driving piston rod through the hole groove and the sealing element.
The invention provides another technical scheme that: a multi-group built-in fast synchronous mode locking oil cylinder device comprises a mode locking mechanism and a mode locking oil cylinder in any one of the technical schemes, wherein an oil cylinder seat of each group of mode locking oil cylinders is respectively arranged on an upper template of the mode locking mechanism, pipelines of each group of mode locking oil cylinders are respectively connected with a main pipeline, and oil return pipelines are arranged in the main pipeline, the mode locking cylinders and pipelines of the fast cylinders. The output piston rod and the output piston are dragged by the quick cylinder, a large amount of hydraulic oil in the mold locking cylinder flows out, and balance resistance is generated on the oil return pipeline, so that the multiple groups of oil cylinders are basically synchronous when advancing and retreating.
The beneficial effects obtained by the invention are as follows: (1) the hydraulic oil drives the small-diameter quick cylinder to drive the large-diameter mold locking cylinder, so that the axial quick motion is realized; (2) the hydraulic oil flow passage hole is processed in the driving piston rod, so that a hydraulic pipeline is simplified, winding and relative movement of a plurality of pipelines are avoided, and the effects of inactivity of the hydraulic pipeline, difficulty in oil leakage, attractive appearance and the like are achieved; (3) the multi-group mold locking oil cylinders have high motion synchronization performance and fast action; (4) the large-diameter mold locking cylinder and the small-diameter quick cylinder in the mold locking oil cylinder are integrated, the quick cylinder is driven by hydraulic oil to drive the large-diameter mold locking cylinder, the axial quick movement of an output piston rod is realized, and the mold can be quickly locked and opened when the mold locking oil cylinder acts; (5) the multiple groups of mode locking oil cylinders are respectively arranged on the upper template, the pipeline of each group of mode locking oil cylinders is respectively connected with the main pipeline, the main pipeline is provided with an oil return pipeline in pipeline connection with the large-diameter mode locking cylinder and the small-diameter quick cylinder, and when a large amount of hydraulic oil overflows from the mode locking cylinders, balance resistance is generated on the oil return pipeline, so that the power output of the multiple groups of mode locking oil cylinders is stable, and the mode locking and mold opening synchronicity of the action is good.
Drawings
FIG. 1 is a schematic view of an appearance structure of a mold locking cylinder according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a mold locking cylinder according to an embodiment of the present invention;
FIG. 3 is an enlarged view of a portion of the mold clamping cylinder of FIG. 2 according to an embodiment of the present invention;
FIG. 4 is an enlarged view of a portion of the mold clamping cylinder of FIG. 2 according to an embodiment of the present invention;
FIG. 5 is a schematic cross-sectional view illustrating an extended state of an output piston rod of the mold clamping cylinder according to an embodiment of the present invention;
FIG. 6 is a schematic perspective view of a multi-group built-in fast and synchronous mode locking cylinder device according to an embodiment of the present invention;
fig. 7 is a schematic side view of a multi-group built-in fast and synchronous mode locking cylinder device according to an embodiment of the present invention.
Description of reference numerals: the mold locking device comprises a mold locking oil cylinder 1a, a mold locking cylinder 10, a hollow inner cavity 100, a clamp column head 101, an oil cylinder seat 102, a cylinder barrel 103, an output piston rod 104, a flange 105, an output piston 106, a rear cover 107, a front cover 108, a lower bridge plate 109, a mold locking cylinder oil pipe 110, an upper bridge plate 111, a liquid supplementing pipe 112, a connecting shaft 113, a rodless cavity 131, a rod cavity 132, a hole groove 161, a sealing element 162, a quick cylinder 20, a hydraulic oil flow passage hole 200, a small cylinder plug 201, a small cylinder end cover 202, a driving piston 203, a driving piston rod 204, a top bridge plate 205, a hydraulic oil inlet 251, a mold locking mechanism 3a and an upper mold plate 30.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
As shown in fig. 1 to 5, a mold locking cylinder comprises a mold locking cylinder 10 and a quick cylinder 20, the mold locking cylinder 10 comprises a cylinder barrel 103, an output piston rod 104 and an output piston 106 which are connected with each other, the output piston rod 104 and the output piston 106 are movably arranged in the cylinder barrel 103, the output piston rod 104 is provided with a hollow inner cavity 100, the quick cylinder 20 is assembled in the hollow inner cavity 100 of the output piston rod 104, the quick cylinder 20 is provided with a driving piston rod 204 and a driving piston 203, the driving piston 203 is arranged at an end of the driving piston rod 204, a small cylinder end cover 202 is fixedly arranged in the output piston rod 104, the driving piston rod 204 is provided with a hydraulic oil passage hole 200, hydraulic oil is input through the hydraulic oil passage hole 200, and the driving output piston rod 104 makes axial movement relative to the driving piston rod 204.
The end of the output piston rod 104 is connected with a connecting shaft 113 and a clamping column head 101. A small cylinder plug 201 is padded between the small cylinder end cover 202 and the connecting shaft 113.
The cylinder 103 is provided with a rear cover 107, the rear cover 107 is provided with a top bridge plate 205, one end of the driving piston rod 204 passes through the output piston 106 and extends to the rear cover 107, and the top bridge plate 205 is provided with a hydraulic oil inlet 251 connected with a hydraulic oil channel hole 200 of the driving piston rod 204. The cylinder 103 is provided with a front cover 108, and the front cover 108 is provided with a cylinder block 102.
A liquid supplementing pipe 112 is arranged on the rear cover 107, and the liquid supplementing pipe 112 is communicated with the cylinder 103. The outside of the cylinder barrel 103 is provided with a mold-locking cylinder oil pipe 110, an upper bridge plate 111 and a lower bridge plate 109, and the mold-locking cylinder oil pipe 110 is communicated with a rodless cavity 131 and a rod cavity 132 inside the cylinder barrel 103 through the upper bridge plate 111 and the lower bridge plate 109.
The output piston rod 104 is connected to the output piston 106 via a flange 105. The output piston 106 is provided with a sealing hole 161, and a seal 162 is provided in the hole 161 to sealingly engage the output piston 106 with the drive piston rod 204.
The hydraulic oil flow passage hole 200 is arranged on the driving piston rod 204, and encloses a pressure chamber for driving the output piston rod 104 to extend out with the driving piston 203, the small cylinder end cover 202, the output piston rod 104 and the hollow inner cavity 100; a pressure chamber for driving the output piston rod 104 to retract is enclosed with the piston rod 204, the hollow inner cavity 100, the output piston rod 104 and the output piston 106.
When the invention is implemented, hydraulic oil is input into the hydraulic oil flow passage hole 200 through the hydraulic oil input port 251, the hydraulic oil enters a space enclosed between the driving piston 203 and the small cylinder end cover 202 from the hydraulic oil flow passage hole 200, and the hydraulic oil applies pressure to the small cylinder end cover 202 through the pressure action of the hydraulic oil to push the small cylinder end cover 202 to drag the output piston rod 104 to axially extend towards the outside of the cylinder barrel 103, so as to output power, and the hydraulic oil is used for connecting a mold and locking the mold through the connecting shaft 113 and the clamping column head 101.
When the output piston rod 104 is controlled to retract, hydraulic oil flows into the other hydraulic oil channel hole 200 from the other interface of the hydraulic oil input port 251, the hydraulic oil is accumulated in a space surrounded by the piston rod 204, the hollow inner cavity 100, the output piston rod 104 and the output piston 106, pressure is provided to push the output piston 106 to move, and the output piston 106 drags the output piston rod 104 to axially move towards the inner part of the cylinder 103 for retracting. At this time, the hydraulic oil in the space surrounded by the driving piston 203, the small cylinder end cover 202, the output piston rod 104 and the hollow inner cavity 100 is pushed by the small cylinder end cover 202 and flows out of the hydraulic oil flow passage hole.
When the output piston rod 104 is driven to extend and retract, the output piston 106 axially moves inside the cylinder 103 along with the output piston rod 104, and a rod chamber 132 and a rodless chamber 131 having a piston rod and a rodless rod are formed on both sides of the output piston 106. The rodless chamber 131 is provided with a fluid replenishment pipe 112 for replenishing hydraulic fluid to the inside of the cylinder 103 when necessary. The hydraulic oil in the rod chamber 132 and the rodless chamber 131 can be communicated through the mold clamping cylinder oil pipe 110 and the upper gap bridge plate 111 and the lower gap bridge plate 109, so that the hydraulic oil is balanced, and the stable operation of the mold clamping cylinder 10 is ensured.
Further referring to fig. 1 to 7, the present invention further discloses a multi-group built-in fast synchronous mode locking oil cylinder device, which includes a mode locking mechanism 3a and the mode locking oil cylinders 1a described in the above embodiments, wherein the oil cylinder base 102 of each group of mode locking oil cylinders 1a is respectively disposed on the upper mold plate 30 of the mode locking mechanism 3a, the pipeline of each group of mode locking oil cylinders 1a is respectively connected with the main pipeline, and the main pipeline and the pipeline of the mode locking cylinder 10 and the fast cylinder 20 are provided with oil return pipelines.
In summary, the actual samples of the present invention are prepared according to the description and the drawings, and after a plurality of usage tests, the effect of the usage tests proves that the present invention can achieve the expected purpose, and the practical value is undoubted. The above-mentioned embodiments are only for convenience of illustration and not intended to limit the invention in any way, and those skilled in the art will be able to make equivalents of the features of the invention without departing from the technical scope of the invention.
Claims (10)
1. The utility model provides a mode locking hydro-cylinder, includes mode locking jar (10) and quick jar (20), and mode locking jar (10) are including cylinder (103), interconnect's output piston rod (104) and output piston (106), and during cylinder (103), its characterized in that was located in output piston rod (104) and the activity of output piston (106): the output piston rod (104) is provided with a hollow inner cavity (100), the quick cylinder (20) is assembled in the hollow inner cavity (100) of the output piston rod (104), the quick cylinder (20) is provided with a driving piston rod (204) and a driving piston (203), the driving piston (203) is arranged at the end part of the driving piston rod (204), a small cylinder end cover (202) is fixedly arranged in the output piston rod (104), the driving piston rod (204) is provided with a hydraulic oil flow passage hole (200), hydraulic oil is input through the hydraulic oil flow passage hole (200), and the driving output piston rod (104) axially moves relative to the driving piston rod (204).
2. The mold locking cylinder according to claim 1, wherein: the end of the output piston rod (104) is connected with a connecting shaft (113) and a clamping column head (101).
3. The mold locking cylinder according to claim 1, wherein: a small cylinder plug (201) is padded between the small cylinder end cover (202) and the connecting shaft (113).
4. The mold locking cylinder according to claim 1, wherein: the cylinder barrel (103) is provided with a rear cover (107), a top bridge plate (205) is arranged on the rear cover (107), one end of the driving piston rod (204) penetrates through the output piston (106) and extends to the rear cover (107), and a hydraulic oil inlet (251) connected with a hydraulic oil flow passage hole (200) of the driving piston rod (204) is formed in the top bridge plate (205).
5. The mold locking cylinder according to claim 4, characterized in that: the cylinder barrel (103) is provided with a front cover (108), and the front cover (108) is provided with a cylinder seat (102).
6. The mold locking cylinder according to claim 4, characterized in that: a liquid supplementing pipe (112) is arranged on the rear cover (107), and the liquid supplementing pipe (112) is communicated with the cylinder barrel (103).
7. The mold locking cylinder according to claim 1, wherein: the outer side of the cylinder barrel (103) is provided with a mold locking cylinder oil pipe (110), an upper bridge plate (111) and a lower bridge plate (109), and the mold locking cylinder oil pipe (110) is communicated with a rodless cavity (131) and a rod cavity (132) inside the cylinder barrel (103) through the upper bridge plate (111) and the lower bridge plate (109).
8. The mold locking cylinder according to claim 4, wherein: the output piston rod (104) is connected with the output piston (106) through a flange (105).
9. The mold locking cylinder according to claim 8, wherein: the output piston (106) is provided with a sealing hole groove (161), and a sealing member (162) is provided in the hole groove (161) to sealingly engage the output piston (106) with the drive piston rod (204).
10. The utility model provides a multiunit embeds quick synchronous mode locking hydro-cylinder device which characterized in that: the mould locking device comprises a mould locking mechanism (3a) and a mould locking oil cylinder (1a) according to any one of the claims 1 to 9, wherein an oil cylinder base (102) of each mould locking oil cylinder (1a) is respectively arranged on an upper mould plate (30) of the mould locking mechanism (3a), a pipeline of each mould locking oil cylinder (1a) is respectively connected with a main pipeline, and oil return pipelines are arranged in the main pipeline, and pipelines of the mould locking cylinder (10) and a pipeline of a quick cylinder (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210349739.8A CN114704521A (en) | 2022-04-02 | 2022-04-02 | Mode locking oil cylinder and multi-group built-in fast synchronous mode locking oil cylinder device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210349739.8A CN114704521A (en) | 2022-04-02 | 2022-04-02 | Mode locking oil cylinder and multi-group built-in fast synchronous mode locking oil cylinder device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114704521A true CN114704521A (en) | 2022-07-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210349739.8A Pending CN114704521A (en) | 2022-04-02 | 2022-04-02 | Mode locking oil cylinder and multi-group built-in fast synchronous mode locking oil cylinder device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114704521A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116175717A (en) * | 2022-11-29 | 2023-05-30 | 苏州艾维科斯园林设备有限公司 | Bidirectional rapid energy-saving efficient hydraulic log splitter |
-
2022
- 2022-04-02 CN CN202210349739.8A patent/CN114704521A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116175717A (en) * | 2022-11-29 | 2023-05-30 | 苏州艾维科斯园林设备有限公司 | Bidirectional rapid energy-saving efficient hydraulic log splitter |
| CN116175717B (en) * | 2022-11-29 | 2023-11-14 | 苏州艾维科斯园林设备有限公司 | Bidirectional rapid energy-saving efficient hydraulic log splitter |
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