CN116717521A - Hydraulic cylinder with axial support protection - Google Patents
Hydraulic cylinder with axial support protection Download PDFInfo
- Publication number
- CN116717521A CN116717521A CN202310972038.4A CN202310972038A CN116717521A CN 116717521 A CN116717521 A CN 116717521A CN 202310972038 A CN202310972038 A CN 202310972038A CN 116717521 A CN116717521 A CN 116717521A
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- Prior art keywords
- protection
- arm
- rod
- fastening frame
- cylinder body
- Prior art date
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Links
- 238000007789 sealing Methods 0.000 claims description 12
- 230000000712 assembly Effects 0.000 claims description 10
- 238000000429 assembly Methods 0.000 claims description 10
- 238000005452 bending Methods 0.000 abstract description 2
- 230000001681 protective effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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
-
- 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
-
- 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
- F15B15/20—Other details, e.g. assembly with regulating devices
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Actuator (AREA)
Abstract
The invention relates to the technical field of hydraulic cylinders; the invention discloses a hydraulic cylinder with axial support protection, which comprises a main body structure, a protection structure and a force dispersing structure; the protection structure is detachably arranged on the main body structure, and the force dispersing structure is detachably arranged on the protection structure; the first fastening frame and the second fastening frame in the protection structure are arranged, so that the hydraulic cylinder is convenient to detach and mount, can protect the whole stress of the hydraulic cylinder, and shares the stress uniformly and stably; the force borne by the arm tube can be effectively and stably dispersed by the aid of the force dispersing structure, and bending caused by the cavity of the arm tube is prevented.
Description
Technical Field
The invention relates to the technical field of hydraulic cylinders, in particular to a hydraulic cylinder with axial support protection.
Background
The hydraulic cylinder is a hydraulic executive component which converts hydraulic energy into mechanical energy and makes linear reciprocating motion; the device has simple structure and reliable operation; the hydraulic cylinder basically consists of a cylinder barrel, a cylinder cover, a piston rod and a sealing device;
the existing hydraulic cylinders are mainly applied to support in application, and the cylinder body is arranged in a manner that some cylinders are vertically arranged and some cylinders are obliquely movably arranged; in the first mode, the stress is mostly transmitted to the telescopic rod, the cylinder body and the piston, in the second mode, the force between the telescopic rod and the telescopic opening of the cylinder body is increased, and certain abrasion is caused over time, so that shaking and unstable stress support in use are generated, and even the possibility of leakage is caused; moreover, the stress of a single hydraulic cylinder is limited, if the critical value is reached, the risk of cylinder explosion can occur, and the number of the hydraulic cylinders is increased to carry out dispersed supporting stress, but the cost is relatively high and the cost is relatively complex, so that the hydraulic cylinder with the axial supporting protection is designed.
Disclosure of Invention
The invention aims to provide a hydraulic cylinder with axial support protection so as to solve the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: a hydraulic cylinder with axial support protection comprises a main body structure, a protection structure and a force dispersing structure; the protection structure is detachably arranged on the main body structure, and the force dispersing structure is detachably arranged on the protection structure;
the main body structure comprises a cylinder body, a sealing base, a reset spring, a telescopic rod and a first piston; the cylinder body is of a cylinder body structure without a lower wall, a pair of first oil inlets with the same structure are formed in left side walls close to the upper end and the lower end of the cylinder body, a second oil inlet is formed in the right side wall of the bottom end of the cylinder body, the sealing base is fixedly buckled on the bottom end of the cylinder body, a limiting pipe is arranged in the middle of the upper wall of the sealing base, one end of a reset spring is fixedly inserted into the limiting pipe, one end of a telescopic rod movably penetrates through the other end of the cylinder body, a first piston is fixedly sleeved on one end of the telescopic rod and movably embedded in the cylinder body, and the lower wall of the first piston is fixedly connected with the other end of the reset spring.
Preferably, the protection structure comprises a serial seat, three protection components, a pair of first fastening frames and a second fastening frame; the series seat is of a circular structure, an embedded port is formed in the middle of the upper wall, three switching threaded ports are formed in the outer side of the embedded port at equal intervals, a third oil inlet is formed in the middle of the front side wall of the series seat, the series seat is detachably buckled below the sealing base, the protection components are detachably arranged on the series seat respectively, the protection components are detachably sleeved on the upper end and the lower end of the cylinder body respectively, the first fastening frames are movably sleeved on the protection components respectively, the second fastening frames are detachably sleeved on the other end of the telescopic rod, and the second fastening frames are detachably sleeved on the protection components.
Preferably, annular conveying grooves are formed in the serial seats and are respectively connected with the bottoms of the switching threaded openings.
Preferably, the protection component comprises an arm pipe, a stress rod, a second piston and an arm rod; the arm pipe is of a cylinder structure without a lower wall, the outer side wall of the bottom end of the arm pipe is provided with inclined threads, the bottom end of the arm pipe is detachably screwed in a changeover threaded port of the serial seat, one end of a stress rod movably penetrates through the upper wall of the top end of the arm pipe, the second piston is fixedly sleeved on one end of the stress rod and movably embedded in the arm pipe, the arm rod is of a Z-shaped round rod structure, one end diameter of the arm rod is larger than the other end diameter of the arm rod, one end of the arm rod is detachably screwed on the other end of the stress rod, and the other end of the arm rod is opposite to the other end of the telescopic rod.
Preferably, the force dispersing structure is composed of six groups of force unloading assemblies, wherein each two groups of force unloading assemblies are respectively and relatively obliquely and detachably connected to two adjacent arm pipes to form a triangle connection state, and the six groups of force unloading assemblies are arranged clockwise.
Preferably, the force-unloading assembly comprises a pair of bushings and a connecting rod; the sleeve is detachably sleeved on the arm pipe respectively, the sleeve is screwed in the side wall of the sleeve through a first bolt respectively and is attached to the side wall of the arm pipe to be fixed, and two ends of the connecting rod are detachably connected to the side wall of the sleeve through a second bolt respectively.
Preferably, the middle part of the first fastening frame is of a circular ring structure, three first lantern rings corresponding to the arm pipes are arranged on the outer side walls at equal intervals, the first fastening frame is respectively screwed on the outer side of the cylinder body through first mounting bolts in a mode that the side walls of the middle part of the first fastening frame are fixed in the outer side of the cylinder body, and the first lantern rings are respectively sleeved on the outer side of the arm pipes through second mounting bolts to be fixedly connected.
Preferably, the second fastening frame has the same structure as the first fastening frame, and the second fastening frame is connected with the other end of the telescopic rod and the other end of the arm rod through a third mounting bolt and a fourth mounting bolt respectively.
Preferably, the third oil inlet is connected with the second oil inlet through a pipeline.
The hydraulic cylinder with the axial support protection has the beneficial effects that:
1. according to the invention, through the design of the cylinder body in the main structure, the force-bearing rod can be boosted and lifted by means of oil in the oil supply process, so that the protection of the force-bearing sharing of the telescopic rod is enhanced.
2. According to the hydraulic cylinder, the first fastening frame and the second fastening frame in the protection structure are arranged, so that the hydraulic cylinder is convenient to detach and mount, the whole hydraulic cylinder can be protected from stress, and the stress sharing is uniform and stable.
3. The invention can effectively and stably disperse the force born by the arm pipe by means of the force dispersing structure, and prevent bending caused by the cavity of the arm pipe.
Drawings
Fig. 1 is a schematic view of an assembly structure of the present invention.
Fig. 2 is a schematic diagram of a main body structure of the present invention.
Fig. 3 is a schematic diagram of the assembly structure of the main structure of the present invention.
Fig. 4 is a partially disassembled structure of the present invention.
Fig. 5 is a schematic diagram of the assembled display structure of fig. 4.
Fig. 6 is a schematic view of a partial enlarged structure at a in fig. 2 according to the present invention.
Fig. 7 is a schematic view of a partial enlarged structure at C in fig. 4 according to the present invention.
Fig. 8 is a schematic view of a partial enlarged structure at D in fig. 5 according to the present invention.
Fig. 9 is a schematic view of a partial enlarged structure at F in fig. 1 according to the present invention.
Fig. 10 is a schematic view of a partial enlarged structure at H in fig. 1 according to the present invention.
In the figure: 1. a main body structure; 11. a cylinder; 12. sealing the base; 13. a return spring; 14. a telescopic rod; 15. a first piston; 2. a protective structure; 21. a serial seat; 22. a protective assembly; 221. an arm tube; 222. a force-bearing rod; 223. a second piston; 224. an arm lever; 23. a first fastening frame; 24. a second fastening frame; 3. a force dispersing structure; 31. a sleeve; 32. a connecting rod; 5. a first oil inlet; 6. a second oil inlet; 7. and a third oil inlet.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-10, the present invention provides a technical solution: a hydraulic cylinder with axial support protection comprises a main body structure 1, a protection structure 2 and a force dispersing structure 3; the protection structure 2 is detachably arranged on the main body structure 1, the force dispersing structure 3 is detachably arranged on the protection structure 2, and the main body structure 1 comprises a cylinder body 11, a sealing base 12, a return spring 13, a telescopic rod 14 and a first piston 15; the cylinder body 11 is of a cylinder body structure without a lower wall, a pair of first oil inlets 5 with the same structure are formed in left side walls close to the upper end and the lower end, a second oil inlet 6 is formed in the right side wall of the bottom end of the cylinder body 11, the sealing base 12 is fixedly buckled on the bottom end of the cylinder body 11, a limiting pipe is arranged in the middle of the upper wall of the sealing base 12, one end of the return spring 13 is fixedly inserted in the limiting pipe, one end of the telescopic rod 14 movably penetrates through the other end of the cylinder body 11, the first piston 15 is fixedly sleeved on one end of the telescopic rod 14 and movably embedded in the cylinder body 11, and the lower wall of the first piston 15 is fixedly connected to the other end of the return spring 13.
As a preferred solution, the protective structure 2 further comprises a series seat 21, three protective assemblies 22, a pair of first fastening frames 23 and a second fastening frame 24; the serial seat 21 is circular structure, and the upper wall middle part is provided with embedded mouth, embedded mouth outside equidistance is provided with three switching screw thread mouth, be provided with annular conveyer trough in the serial seat 21, and the conveyer trough links to each other with switching screw thread mouth inner bottom respectively, the serial seat 21 front wall middle part is provided with third oil inlet 7, serial seat 21 can dismantle the button dress under seal base 12, and is three protection component 22 can dismantle respectively and settle on serial seat 21, a pair of first fastening frame 23 can dismantle respectively and overlap on the upper and lower both ends of cylinder body 11, and first fastening frame 23 movable sleeve respectively is on protection component 22, second fastening frame 24 can dismantle the cover on telescopic link 14 other end, and second fastening frame 24 can dismantle the cover on protection component 22.
Preferably, the guard assembly 22 includes an arm tube 221, a force bar 222, a second piston 223, and an arm bar 224; the arm pipe 221 is of a cylinder structure without a lower wall, the outer side wall of the bottom end is provided with an inclined thread, the bottom end of the arm pipe 221 is detachably screwed into the adapting thread port of the serial seat 21, one end of the stress rod 222 movably penetrates through the upper wall of the top end of the arm pipe 221, the second piston 223 is fixedly sleeved on one end of the stress rod 222 and is movably embedded in the arm pipe 221, the arm rod 224 is of a Z-shaped round rod structure, the diameter of one end of the arm rod is larger than that of the other end of the arm rod, one end of the arm rod 224 is detachably screwed onto the other end of the stress rod 222, and the other end of the arm rod 224 is opposite to the other end of the telescopic rod 14.
As a preferred solution, the force dispersing structure 3 is composed of six groups of force unloading assemblies, wherein each two groups of force unloading assemblies are respectively and relatively obliquely detachably connected to two adjacent arm pipes 221 to form a triangle connection state, and the six groups of force unloading assemblies are arranged clockwise; the force-unloading assembly comprises a pair of sleeves 31 and a connecting rod 32; the sleeve 31 is detachably sleeved on the arm pipe 221, the sleeve 31 is screwed in the side wall of the sleeve 31 through a first bolt and is attached to the side wall of the arm pipe 221 for fixing, and two ends of the connecting rod 32 are detachably connected to the side wall of the sleeve 31 through a second bolt.
As a preferred scheme, still further, the middle part of first fastening frame 23 is the ring structure, and the lateral wall equidistance is provided with three first lantern rings corresponding with arm pipe 221, first fastening frame 23 connects in first fastening frame 23 middle part lateral wall internal fixation in the cylinder body 11 outside through first mounting bolt respectively, and first lantern rings are fixed continuous in the arm pipe 221 outside through the second mounting bolt suit respectively for design connection demand realizes that triangle line state atress is stable firm more.
As a preferred solution, the second fastening frame 24 has the same structure as the first fastening frame 23, and the second fastening frame 24 is connected to the other end of the telescopic rod 14 and the other end of the arm lever 224 through a third mounting bolt and a fourth mounting bolt, respectively, for designing the installation connection requirement.
As a preferred scheme, still further, the third oil inlet 7 is connected with the second oil inlet 6 through a pipeline for designing, installing and using requirements, and realizing that the stress rod 222 is supported and shared in a telescopic auxiliary manner through oil pressure.
The detailed connection means are known in the art, and the following mainly describes the working principle and process, and the specific work is as follows.
Firstly, when the cylinder body 11 and the telescopic rod 14 in the main structure 1 are stressed, oil is conveyed through the first oil inlet 5, so that the piston stressed electric telescopic rod 14 extends out of the cylinder body 11, meanwhile, the telescopic rod 14 drives the three arm rods 224 to move under the same stress through the second fastening frame 24 in the protection structure 2, the stress rod 222 is pulled to extend out of the arm pipe 221 in the protection assembly 22, and the arm pipe 221 is limited and fixed by the first fastening frame 23, so that the stress rod 222 drives the second piston 223 to move upwards, the suction force is generated, part of the oil supplied in the cylinder body 11 is extracted by virtue of the third oil inlet 7 on the serial seat 21 and is flushed into the arm pipe 221, and the stress rod 222 is supported by virtue of hydraulic pressure; thereby realizing the overall improvement of the stress intensity of the cylinder body 11 and the telescopic rod 14; and transmits a part of force to the arm pipe 221 in a state that the arm lever 224 and the force receiving lever 222 are received; the first fastening frame 23 and the second fastening frame 24 form a triangular connecting line state and are positioned outside the cylinder body 11 and the telescopic rod 14 for stable stress support; secondly, connecting rods 32 in the force dispersing structure 3 are respectively and relatively obliquely arranged between the arm pipes 221 through the sleeves 31, a triangular connecting line state is formed again, the stress intensity and the dispersed stress of the arm pipes 221 of the cavity are improved, and finally the auxiliary stress support and protection of the cylinder body 11 and the telescopic rod 14 are achieved; when the telescopic rod 14 is contracted and descends, the oil is extruded by the piston, and the descending and resetting are assisted by the acting force of the reset spring 13; simultaneously, along with the descending of the telescopic rod 14, the stress rod 222 is driven to synchronously descend, so that the oil in the arm pipe 221 is extruded into the cylinder body 11 through the serial seat 21 by the second piston 223.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a hydraulic cylinder with axial support protection which characterized in that: comprises a main body structure (1), a protection structure (2) and a force dispersing structure (3); the protection structure (2) is detachably arranged on the main body structure (1), and the force dispersing structure (3) is detachably arranged on the protection structure (2);
the main body structure (1) comprises a cylinder body (11), a sealing base (12), a return spring (13), a telescopic rod (14) and a first piston (15);
the cylinder body (11) is of a cylinder body structure without a lower wall, a pair of first oil inlets (5) with the same structure are formed in left side walls close to the upper end and the lower end, a second oil inlet (6) is formed in the right side wall of the bottom end of the cylinder body (11), the sealing base (12) is fixedly buckled on the bottom end of the cylinder body (11), a limiting pipe is arranged in the middle of the upper wall of the sealing base (12), one end of the reset spring (13) is fixedly inserted in the limiting pipe, one end of the telescopic rod (14) movably penetrates through the other end of the cylinder body (11), the first piston (15) is fixedly sleeved on one end of the telescopic rod (14) and is movably embedded in the cylinder body (11), and the lower wall of the first piston (15) is fixedly connected to the other end of the reset spring (13).
2. A hydraulic ram with axial support protection as claimed in claim 1, wherein: the protection structure (2) comprises a serial seat (21), three protection components (22), a pair of first fastening frames (23) and a second fastening frame (24);
the utility model discloses a cylinder body, including base (21), protection subassembly (22), telescopic link (14) and second fastening frame (24), base (21) are connected in series, base (21) are circular structure in the series, and the upper wall middle part is provided with embedded mouthful, embedded mouthful outside equidistance is provided with three switching screw thread mouth, base (21) are connected in series lateral wall middle part is provided with third oil inlet (7) in the past, base (21) are connected in series can dismantle the spiral-lock under seal base (12), and three protection subassembly (22) are dismantled respectively and are settled on base (21) in series, a pair of first fastening frame (23) are dismantled respectively and are overlapped on both ends about cylinder body (11), and first fastening frame (23) are movable respectively overlapped on protection subassembly (22), second fastening frame (24) can be dismantled and are overlapped on telescopic link (14) other end, and second fastening frame (24) can be dismantled and overlap on protection subassembly (22).
3. A hydraulic ram with axial support protection as claimed in claim 2, wherein: annular conveying grooves are formed in the serial connection seats (21), and the conveying grooves are respectively connected with the inner bottoms of the switching threaded openings.
4. A hydraulic ram with axial support protection as claimed in claim 3, wherein: the protection component (22) comprises an arm pipe (221), a stress rod (222), a second piston (223) and an arm rod (224);
the arm pipe (221) is of a cylinder structure without a lower wall, the outer side wall of the bottom end is provided with inclined threads, the bottom end of the arm pipe (221) is detachably screwed in a switching threaded port of the serial seat (21), one end of the stress rod (222) movably penetrates through the upper wall of the top end of the arm pipe (221), the second piston (223) is fixedly sleeved on one end of the stress rod (222) and movably embedded in the arm pipe (221), the arm rod (224) is of a Z-shaped round rod structure, one end diameter is larger than the other end diameter, one end of the arm rod (224) is detachably screwed on the other end of the stress rod (222), and the other end of the arm rod (224) is opposite to the other end of the telescopic rod (14).
5. The hydraulic ram with axial support protection of claim 4, wherein: the force dispersing structure (3) is composed of six groups of force unloading assemblies, wherein each two groups of force unloading assemblies are respectively and relatively obliquely and detachably connected to two adjacent arm pipes (221) to form a triangle connection state, and the six groups of force unloading assemblies are arranged clockwise.
6. The hydraulic ram with axial support protection of claim 5, wherein: the force unloading assembly comprises a pair of sleeves (31) and a connecting rod (32); the sleeve (31) is detachably sleeved on the arm pipe (221) respectively, the sleeve (31) is screwed in the side wall of the sleeve (31) through a first bolt and is attached to the side wall of the arm pipe (221) to be fixed, and two ends of the connecting rod (32) are detachably connected to the side wall of the sleeve (31) through second bolts respectively.
7. The hydraulic ram with axial support protection of claim 6, wherein: the middle part of the first fastening frame (23) is of a circular ring structure, three first lantern rings corresponding to the arm pipes (221) are arranged on the outer side wall equidistance, the first fastening frames (23) are respectively screwed on the outer sides of the cylinder bodies (11) through first mounting bolts, and the first lantern rings are respectively fixedly connected with the outer sides of the arm pipes (221) through second mounting bolts in a sleeved mode.
8. The hydraulic ram with axial support protection of claim 7, wherein: the second fastening frame (24) has the same structure as the first fastening frame (23), and the second fastening frame (24) is connected with the other end of the telescopic rod (14) and the other end of the arm rod (224) through a third mounting bolt and a fourth mounting bolt respectively.
9. The hydraulic ram with axial support protection of claim 8, wherein: the third oil inlet (7) is connected with the second oil inlet (6) through a pipeline.
Priority Applications (1)
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CN202310972038.4A CN116717521B (en) | 2023-08-03 | 2023-08-03 | Hydraulic cylinder with axial support protection |
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CN202310972038.4A CN116717521B (en) | 2023-08-03 | 2023-08-03 | Hydraulic cylinder with axial support protection |
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CN116717521B CN116717521B (en) | 2023-10-20 |
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