CN113883118A - Prevent axial pivoted hydraulic cylinder structure - Google Patents
Prevent axial pivoted hydraulic cylinder structure Download PDFInfo
- Publication number
- CN113883118A CN113883118A CN202010623997.1A CN202010623997A CN113883118A CN 113883118 A CN113883118 A CN 113883118A CN 202010623997 A CN202010623997 A CN 202010623997A CN 113883118 A CN113883118 A CN 113883118A
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- bolted
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- piston rod
- hydraulic cylinder
- rod
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- 230000000670 limiting effect Effects 0.000 claims abstract description 39
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 238000003466 welding Methods 0.000 claims description 8
- 239000010720 hydraulic oil Substances 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241000220317 Rosa Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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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
- F15B15/1471—Guiding means other than in the end cap
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Actuator (AREA)
Abstract
The invention provides a hydraulic oil cylinder barrel structure capable of preventing axial rotation, which comprises a barrel body, wherein a fixed disc is welded on the surface of the barrel body, a piston rod is movably connected at the center of the top of the barrel body, a first fixed block is welded at the center of the top of the piston rod, a first connecting hole is formed in the center of the front of the first fixed block, and clamping mechanisms are arranged on two sides of the piston rod. According to the invention, through the matching of the movable column, the fixed box, the first threaded sleeve, the first threaded rod, the bearing, the movable plate, the limiting column and the clamping seat, a user can conveniently clamp and limit the piston rod through the clamping seat, the piston rod is prevented from axially rotating during jacking, through the matching of the mounting block, the second threaded sleeve, the second threaded rod and the convex block, the user can conveniently fasten and limit the two clamping seats, and through the matching of the positioning block and the positioning rod, the user can conveniently assist the clamping mechanism to limit the piston rod.
Description
Technical Field
The invention relates to the field of hydraulic cylinders, in particular to a hydraulic cylinder barrel structure capable of preventing axial rotation.
Background
The hydraulic cylinder is a hydraulic actuating element which converts hydraulic energy into mechanical energy and does linear reciprocating motion, has simple structure and reliable work, can omit a speed reducer when used for realizing reciprocating motion, has no transmission clearance and moves stably, and is widely applied to hydraulic systems of various machines. The hydraulic cylinder generally comprises a cylinder barrel, a cylinder cover, a piston rod, a sealing device, a buffering device and an exhaust device, wherein the buffering device and the exhaust device are determined according to specific application occasions, and other devices are indispensable.
Hydraulic cylinder's cylinder and piston rod all are cylindrical, when the piston rod rose at the inner chamber rebound of cylinder, because traditional hydraulic cylinder structure can't prevent that the piston rod from carrying out axial rotation, thereby can make the piston rod take place to rotate when rising, very big reduction hydraulic cylinder's stability, still can influence the jacking effect of piston rod to the object simultaneously, and the connecting hole at piston rod top most can carry out fixed connection with the object, the rotation of piston rod can cause the piston rod to break, bring very big potential safety hazard.
Therefore, it is necessary to provide a cylinder structure of a hydraulic cylinder capable of preventing axial rotation to solve the above technical problems.
Disclosure of Invention
The invention provides a hydraulic oil cylinder barrel structure capable of preventing axial rotation, and solves the problem that a piston rod cannot be prevented from axially rotating by a traditional hydraulic oil cylinder barrel structure.
In order to solve the technical problem, the invention provides a hydraulic cylinder barrel structure capable of preventing axial rotation, which comprises: the cylinder body, the skin weld of cylinder body has the fixed disk, the center department swing joint at cylinder body top has the piston rod, the center department welding at piston rod top has first fixed block, and the positive center department of first fixed block has seted up first connecting hole, the both sides of piston rod all are provided with clamping mechanism, the both sides at the positive top of clamping mechanism all are provided with stop gear, the center department welding of cylinder body bottom has the second fixed block, and the center department of the positive bottom of second fixed block has seted up the second connecting hole.
Preferably, clamping mechanism is including removing post, fixed box, first thread bush, first threaded rod, bearing, movable plate, spacing post and grip slipper, logical groove has all been seted up to the both sides at fixed disk top, and the inner chamber sliding connection who leads to the groove has the removal post, the top bolt of removing the post has fixed box, the center department in the fixed box outside inlays and is equipped with first thread bush, the inner chamber threaded connection of first thread bush has first threaded rod, one side in opposite directions of first threaded rod is rotated and is connected with the bearing, one side bolt in opposite directions of bearing has the movable plate, the central department bolt of one side in opposite directions of movable plate has the spacing post, one side in opposite directions of spacing post runs through fixed box and bolt has the grip slipper.
Preferably, stop gear is including installation piece, second thread bush, second threaded rod and lug, the center department at the front and the back of grip slipper has bolted connection installation piece and lug from a left side to the right side in proper order, the right side welding of installation piece has the second thread bush, the inner chamber threaded connection of second thread bush has the second threaded rod, the right side of second threaded rod runs through the lug and bolted connection has the handle.
Preferably, the outer sides of the front surface and the back surface of the inner cavity of the fixed box are bolted with limiting rods, and one opposite sides of the limiting rods penetrate through the movable plate and are bolted with the inner side of the inner cavity of the fixed box.
Preferably, the front and the back of the outer side of the moving plate are bolted with springs, and one side of each spring, which is far away from the moving plate, is bolted with the outer side of the inner cavity of the fixed box.
Preferably, a sliding groove is transversely formed in the center of the top of the fixing box, a sliding block is connected to an inner cavity of the sliding groove in a sliding mode, the top of the sliding block penetrates through the sliding groove and is bolted with a connecting plate, a connecting block is bolted to the bottom of one side, opposite to the connecting plate, of the connecting plate, and the bottom of the connecting block is bolted with the top of the clamping seat.
Preferably, one side of the clamping seat opposite to the clamping seat is provided with a U-shaped groove, and an inner cavity of the U-shaped groove is bonded with an anti-slip pad.
Preferably, the bottoms of the front side and the back side of the piston rod are respectively bolted with a positioning block, the bottom of the positioning block is fixedly connected with a positioning rod, and the bottom of the positioning rod penetrates through the fixed disc and is bolted with a positioning plate.
Preferably, the bottom of the moving column is bolted with a limiting plate, and the right side of the front bottom of the cylinder barrel body is bolted with a nameplate.
Preferably, the center of the outer side of the movable column is fixedly connected with a limiting block, the outer side of the first threaded rod is connected with a rotating handle in a bolted mode, and an anti-skidding sleeve is sleeved on the surface of the rotating handle.
Compared with the prior art, the hydraulic cylinder barrel structure for preventing the axial rotation has the following beneficial effects:
1. the invention is convenient for a user to clamp and limit the piston rod through the clamping seat by matching the movable column, the fixed box, the first threaded sleeve, the first threaded rod, the bearing, the movable plate, the limiting column and the clamping seat, improves the stability of the piston rod, prevents the piston rod from axially rotating during jacking, meanwhile, the movable column slides in the through groove, the auxiliary clamping seat rises quickly along with the jacking of the piston rod, through the matching of the mounting block, the second threaded sleeve, the second threaded rod and the convex block, a user can conveniently fasten and limit the two clamping seats, the clamping and limiting effect of the clamping seats on the piston rod is improved, through the cooperation of locating piece and locating lever, convenient to use person assists clamping mechanism to carry on spacingly to the piston rod, has improved the stability of piston rod once more, prevents that the piston rod from taking place axial rotation at the during operation, has solved traditional hydraulic cylinder structure and can't prevent that the piston rod from carrying out axial pivoted problem.
2. The invention is convenient for a user to limit the piston rod by matching the movable column, the fixed box, the first thread bushing, the first threaded rod, the bearing, the movable plate, the limiting column and the clamping seats, prevents the piston rod from axially rotating during jacking, is convenient for the user to limit the two clamping seats by matching the mounting block, the second thread bushing, the second threaded rod and the convex block, improves the limiting effect of the clamping seats on the piston rod, is convenient for the user to limit the movable plate by matching the limiting rods, prevents the movable plate from deviating during moving, improves the stability of the movable plate, is convenient for the user to buffer the movable plate by matching the spring, improves the limiting effect of the clamping seats on the piston rod by elastic rebound of the spring, and improves the stability of the clamping seats by matching the sliding chute, the sliding block and the connecting plate, and then improved the centre gripping effect of grip slipper, cooperation through U type groove and slipmat, the grip slipper of being convenient for agrees with more with the surface of piston rod, the slipmat has improved the frictional force between grip slipper and the piston rod simultaneously, through the locating piece, the cooperation of locating lever and locating plate, the person of being convenient for use carries on spacingly to the piston rod, prevent that the piston rod from taking place the axial rotation, cooperation through the limiting plate, the person of being convenient for use carries on spacingly to the removal post, cooperation through the data plate, the assistant user knows information such as the model of cylinder body, cooperation through the stopper, the person of being convenient for use carries on spacingly to the removal post, prevent when need not carrying out the centre gripping to the piston rod, the direct whereabouts of removal post, thereby can make fixed box and cylinder body take place the striking, cooperation through the antiskid cover, the frictional force between user's palm and the swing handle has been improved.
Drawings
FIG. 1 is a schematic structural view of a preferred embodiment of a hydraulic cylinder barrel structure for preventing axial rotation according to the present invention;
FIG. 2 is a sectional top view of the structure of the retention box shown in FIG. 1;
FIG. 3 is an enlarged view of the structure shown at A in FIG. 1;
FIG. 4 is a perspective view of the fixing base, the second thread bushing and the mounting block shown in FIG. 1;
FIG. 5 is a perspective view of the structure of the moving plate and bearing shown in FIG. 1;
fig. 6 is a perspective view illustrating the structure of the fixed platter of fig. 1.
Reference numbers in the figures: 1. a cylinder barrel body; 2. fixing the disc; 3. a clamping mechanism; 31. moving the column; 32. a fixing box; 33. a first threaded sleeve; 34. a first threaded rod; 35. a bearing; 36. moving the plate; 37. a limiting column; 38. a clamping seat; 4. a chute; 5. a slider; 6. a connecting plate; 7. a limiting block; 8. positioning blocks; 9. positioning a rod; 10. a limiting plate; 11. a limiting mechanism; 111. mounting blocks; 112. a second threaded sleeve; 113. a second threaded rod; 114. a bump; 12. a spring; 13. a limiting rod; 14. a piston rod.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
Referring to fig. 1 to 6, a prevent axial pivoted hydraulic cylinder structure, including cylinder body 1, the skin weld of cylinder body 1 has fixed disk 2, the center department swing joint at 1 top of cylinder body has piston rod 14, the center department welding at 14 tops of piston rod has first fixed block, and the positive center department of first fixed block has seted up first connecting hole, the both sides of piston rod 14 all are provided with clamping mechanism 3, the both sides at 3 positive tops of clamping mechanism all are provided with stop gear 11, the center department welding of 1 bottom of cylinder body has the second fixed block, and the center department of the positive bottom of second fixed block has seted up the second connecting hole.
The clamping mechanism 3 comprises a movable column 31, a fixed box 32, a first threaded sleeve 33, a first threaded rod 34, a bearing 35, a movable plate 36, a limiting column 37 and a clamping seat 38, through grooves are formed in two sides of the top of the fixed disk 2, the movable column 31 is connected to an inner cavity of each through groove in a sliding mode, the fixed box 32 is connected to the top of the movable column 31 in a bolted mode, the first threaded sleeve 33 is embedded in the center of the outer side of the fixed box 32, the first threaded rod 34 is connected to the inner cavity of the first threaded sleeve 33 in a threaded mode, the bearing 35 is connected to one opposite side of the first threaded rod 34 in a rotating mode, the movable plate 36 is connected to one opposite side of the bearing 35 in a bolted mode, the limiting column 37 is connected to the center of one opposite side of the movable plate 36 in a bolted mode, one opposite side of the limiting column 37 penetrates through the fixed box 32 and is connected with the clamping seat 38 in a bolted mode, and the movable column 31, the fixed box 32, the first threaded sleeve 33, the first threaded rod 34, the bearing 35, the movable plate 36, the limiting column 37 and the clamping seat 38 are matched with the clamping seat 38, the user of being convenient for carries on spacingly to piston rod 14, prevents that piston rod 14 from taking place axial rotation when the jacking.
The limiting rods 13 are bolted to the outer sides of the front side and the back side of the inner cavity of the fixed box 32, one opposite side of each limiting rod 13 penetrates through the movable plate 36 and is bolted to the inner side of the inner cavity of the fixed box 32, and through the matching of the limiting rods 13, a user can limit the movable plate 36 conveniently, so that the movable plate 36 is prevented from deviating in the moving process, and the stability of the movable plate 36 is improved.
The front and the back of the outer side of the moving plate 36 are bolted with springs 12, one side of each spring 12, which is far away from the moving plate 36, is bolted with the outer side of the inner cavity of the fixed box 32, and through the cooperation of the springs 12, a user can buffer the moving plate 36 conveniently, and meanwhile, through the elastic rebound of the springs 12, the limiting effect of the clamping seat 38 on the piston rod 14 is improved.
The central department at fixed box 32 top has transversely seted up spout 4, and the inner chamber sliding connection of spout 4 has slider 5, and the top of slider 5 runs through spout 4 and bolt has connecting plate 6, and the bottom bolt of one side in opposite directions of connecting plate 6 has connect the connecting block, and the bottom of connecting block and the top bolt of grip slipper 38, through the cooperation of spout 4, slider 5 and connecting plate 6, has improved the stability of grip slipper 38, and then has improved the centre gripping effect of grip slipper 38.
U type groove has been seted up to the opposite side of grip slipper 38, and the inner chamber in U type groove bonds and has the slipmat, through the cooperation in U type groove and slipmat, the grip slipper 38 of being convenient for agrees with more with the surface of piston rod 14, and the slipmat has improved the frictional force between grip slipper 38 and the piston rod 14 simultaneously.
The positioning blocks 8 are bolted to the bottoms of the front side and the back side of the piston rod 14, the positioning rod 9 is fixedly connected to the bottom of the positioning block 8, the fixing disc 2 is penetrated through the bottom of the positioning rod 9, the positioning plate is bolted to the bottom of the positioning rod 9, and through the matching of the positioning blocks 8, the positioning rod 9 and the positioning plate, a user can limit the piston rod 14 conveniently, so that the piston rod 14 is prevented from axially rotating.
The bottom bolt of removing post 31 has limiting plate 10, and the right side bolt of the positive bottom of cylinder body 1 has connect the data plate, and through the cooperation of limiting plate 10, convenient to use person carries on spacingly to removing post 31, and through the cooperation of data plate, the assistant user knows information such as the model of cylinder body 1.
Remove the center fixedly connected with stopper 7 in the post 31 outside, the outside bolt of first threaded rod 34 has connect the swing handle, and the surface cover of swing handle is equipped with anti-skidding cover, through stopper 7's cooperation, convenient to use person carries on spacingly to removing post 31, prevents when need not carrying out the centre gripping to piston rod 14, removes the direct whereabouts of post 31 to can make fixed box 32 and cylinder body 1 take place the striking, through the cooperation of anti-skidding cover, improved the user palm and revolved the frictional force between the handle.
The working principle is as follows:
when the piston rod 14 is used, the two rotating handles are rotated simultaneously, at the same time, the rotating handles drive the first threaded rod 34 to perform rotating movement at the inner cavity of the first threaded sleeve 33, so that the moving plate 36 is driven by the bearing 35 to push inwards at the same time, and then the moving plate 36 drives the limiting column 37 to move inwards at the same time, so that the two clamping seats 38 are driven to extrude and limit the piston rod 14 at the same time. Subsequently, the handle is rotated, the handle drives the second threaded rod 113 to move towards the left side at the moment until the inner cavity of the second threaded sleeve 112 is entered, so that the two clamping seats 38 are limited, the piston rod 14 drives the clamping seats 38 and the positioning block 8 to simultaneously lift up when working, the two clamping seats 38 and the positioning block 8 simultaneously drive the moving column 31 and the positioning rod 9 to lift up, so that the piston rod 14 is limited, and the piston rod 14 is prevented from axially rotating while lifting up.
Compared with the prior art, the hydraulic cylinder barrel structure for preventing the axial rotation has the following beneficial effects:
according to the invention, through the matching of the movable column 31, the fixed box 32, the first threaded sleeve 33, the first threaded rod 34, the bearing 35, the movable plate 36, the limiting column 37 and the clamping seat 38, a user can conveniently clamp and limit the piston rod 14 through the clamping seat 38, the stability of the piston rod 14 is improved, the axial rotation of the piston rod 14 during jacking is prevented, meanwhile, the movable column 31 slides in the through groove, the auxiliary clamping seat 38 is rapidly lifted along with the jacking of the piston rod 14, through the matching of the mounting block 111, the second threaded sleeve 112, the second threaded rod 113 and the bump 114, the user can conveniently fasten and limit the two clamping seats 38, the clamping and limiting effect of the clamping seat 38 on the piston rod 14 is improved, through the matching of the positioning block 8 and the positioning rod 9, the user can conveniently assist the clamping mechanism 3 in limiting the piston rod 14, the stability of the piston rod 14 is improved again, and the axial rotation of the piston rod 14 during working is prevented, the problem of traditional hydraulic cylinder structure can't prevent that the piston rod from carrying out axial pivoted is solved.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides a prevent axial pivoted hydraulic cylinder structure, a serial communication port, includes cylinder body (1), the skin weld of cylinder body (1) has fixed disk (2), the center department swing joint at cylinder body (1) top has piston rod (14), the center department welding at piston rod (14) top has first fixed block, and the positive center department of first fixed block has seted up first connecting hole, the both sides of piston rod (14) all are provided with clamping mechanism (3), the both sides at the positive top of clamping mechanism (3) all are provided with stop gear (11), the center department welding of cylinder body (1) bottom has the second fixed block, and the center department of the positive bottom of second fixed block has seted up the second connecting hole.
2. The hydraulic cylinder barrel structure capable of preventing axial rotation as claimed in claim 1, wherein the clamping mechanism (3) comprises a movable column (31), a fixed box (32), a first threaded sleeve (33), a first threaded rod (34), a bearing (35), a movable plate (36), a limiting column (37) and a clamping seat (38), through grooves are formed in both sides of the top of the fixed plate (2), the movable column (31) is slidably connected to an inner cavity of each through groove, the fixed box (32) is bolted to the top of the movable column (31), the first threaded sleeve (33) is embedded in the center of the outer side of the fixed box (32), the first threaded rod (34) is in threaded connection with an inner cavity of the first threaded sleeve (33), the bearing (35) is rotatably connected to one opposite side of the first threaded rod (34), the movable plate (36) is bolted to one opposite side of the bearing (35), the center of one side, opposite to the moving plate (36), of the moving plate is bolted with a limiting column (37), and one side, opposite to the limiting column (37), of the moving plate penetrates through the fixed box (32) and is bolted with a clamping seat (38).
3. The hydraulic cylinder barrel structure capable of preventing axial rotation as claimed in claim 2, wherein the limiting mechanism (11) comprises a mounting block (111), a second threaded sleeve (112), a second threaded rod (113) and a convex block (114), the mounting block (111) and the convex block (114) are sequentially bolted at the center of the front face and the back face of the clamping seat (38) from left to right, the second threaded sleeve (112) is welded at the right side of the mounting block (111), the second threaded rod (113) is in threaded connection with an inner cavity of the second threaded sleeve (112), and a handle penetrates through the convex block (114) and is bolted at the right side of the second threaded rod (113).
4. The hydraulic cylinder barrel structure capable of preventing axial rotation as claimed in claim 2, wherein the limiting rods (13) are bolted to the outer sides of the front and back of the inner cavity of the fixed box (32), and one side of each limiting rod (13) opposite to the front side penetrates through the moving plate (36) and is bolted to the inner side of the inner cavity of the fixed box (32).
5. The hydraulic cylinder barrel structure capable of preventing axial rotation as claimed in claim 2, characterized in that the front and back of the outer side of the moving plate (36) are bolted with springs (12), and one side of the springs (12) far away from the moving plate (36) is bolted with the outer side of the inner cavity of the fixed box (32).
6. The hydraulic cylinder barrel structure capable of preventing axial rotation as claimed in claim 5, wherein a sliding groove (4) is transversely formed in the center of the top of the fixing box (32), a sliding block (5) is slidably connected to an inner cavity of the sliding groove (4), the top of the sliding block (5) penetrates through the sliding groove (4) and is bolted with a connecting plate (6), a connecting block is bolted to the bottom of one opposite side of the connecting plate (6), and the bottom of the connecting block is bolted with the top of the clamping seat (38).
7. The hydraulic cylinder barrel structure capable of preventing axial rotation as claimed in claim 2, wherein one side of the clamping seat (38) opposite to each other is provided with a U-shaped groove, and an inner cavity of the U-shaped groove is bonded with a non-slip pad.
8. The hydraulic cylinder barrel structure capable of preventing axial rotation according to claim 1, wherein the bottom of the front surface and the bottom of the back surface of the piston rod (14) are respectively bolted with a positioning block (8), the bottom of the positioning block (8) is fixedly connected with a positioning rod (9), and the bottom of the positioning rod (9) penetrates through the fixed disc (2) and is bolted with a positioning plate.
9. The structure of the hydraulic cylinder barrel for preventing the axial rotation as claimed in claim 2, characterized in that the bottom of the moving column (31) is bolted with a limiting plate (10), and the right side of the front bottom of the barrel body (1) is bolted with a nameplate.
10. The hydraulic cylinder barrel structure capable of preventing axial rotation as claimed in claim 2, wherein a limit block (7) is fixedly connected to the center of the outer side of the moving column (31), a rotating handle is bolted to the outer side of the first threaded rod (34), and an anti-slip sleeve is sleeved on the surface of the rotating handle.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202010623997.1A CN113883118A (en) | 2020-07-02 | 2020-07-02 | Prevent axial pivoted hydraulic cylinder structure |
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CN202010623997.1A CN113883118A (en) | 2020-07-02 | 2020-07-02 | Prevent axial pivoted hydraulic cylinder structure |
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CN113883118A true CN113883118A (en) | 2022-01-04 |
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CN202010623997.1A Pending CN113883118A (en) | 2020-07-02 | 2020-07-02 | Prevent axial pivoted hydraulic cylinder structure |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108825588A (en) * | 2018-08-27 | 2018-11-16 | 黄石市中天机械制造有限责任公司 | A kind of oil cylinder with protective device |
CN109058229A (en) * | 2018-10-16 | 2018-12-21 | 山东百帝气动科技股份有限公司 | A kind of cylinder with double self-locking structures |
CN209990725U (en) * | 2019-05-29 | 2020-01-24 | 常州轩豪机械有限公司 | Oil cylinder with fastening device |
CN210265343U (en) * | 2019-06-28 | 2020-04-07 | 韶关市星苗液压机械有限公司 | Hydraulic cylinder with mechanical double locking |
CN210531287U (en) * | 2019-08-21 | 2020-05-15 | 扬州市永发气动液压设备有限公司 | Damping type pull rod hydraulic cylinder |
-
2020
- 2020-07-02 CN CN202010623997.1A patent/CN113883118A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108825588A (en) * | 2018-08-27 | 2018-11-16 | 黄石市中天机械制造有限责任公司 | A kind of oil cylinder with protective device |
CN109058229A (en) * | 2018-10-16 | 2018-12-21 | 山东百帝气动科技股份有限公司 | A kind of cylinder with double self-locking structures |
CN209990725U (en) * | 2019-05-29 | 2020-01-24 | 常州轩豪机械有限公司 | Oil cylinder with fastening device |
CN210265343U (en) * | 2019-06-28 | 2020-04-07 | 韶关市星苗液压机械有限公司 | Hydraulic cylinder with mechanical double locking |
CN210531287U (en) * | 2019-08-21 | 2020-05-15 | 扬州市永发气动液压设备有限公司 | Damping type pull rod hydraulic cylinder |
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