CN112814969B - Engineering hydraulic cylinder of adjustable stroke - Google Patents
Engineering hydraulic cylinder of adjustable stroke Download PDFInfo
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- CN112814969B CN112814969B CN202110061032.2A CN202110061032A CN112814969B CN 112814969 B CN112814969 B CN 112814969B CN 202110061032 A CN202110061032 A CN 202110061032A CN 112814969 B CN112814969 B CN 112814969B
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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
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/24—Other details, e.g. assembly with regulating devices for restricting the stroke
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Abstract
The invention relates to the technical field of hydraulic cylinders, in particular to an engineering hydraulic cylinder with an adjustable stroke, which comprises a hydraulic cylinder body, wherein one end of the hydraulic cylinder body is provided with an end cover plate, one side of the end cover plate is fixedly provided with a protection plate, the other side of the end cover plate is fixedly provided with first connecting columns at positions close to two ends, the other side of the end cover plate is fixedly provided with a second connecting column at a position close to the middle, the two groups of first connecting columns are respectively provided with a placing groove inside, the one side of the two groups of first connecting columns is fixedly provided with a mounting plate at a position close to one end, and the two groups of mounting plates are respectively movably provided with a movable rod inside. Can make the stroke distance of hydraulic cylinder body change under the cooperation of parts such as two sets of first spliced pole, two sets of slide bars, second spliced pole, threaded rod and dwang, improve the flexibility that the hydraulic cylinder body used, and reduce the limitation that the hydraulic cylinder body used, improve the practicality of device.
Description
Technical Field
The invention relates to the technical field of hydraulic oil cylinders, in particular to an engineering hydraulic oil cylinder with an adjustable stroke.
Background
The hydraulic cylinder is a hydraulic actuating element which converts hydraulic energy into mechanical energy and makes linear reciprocating motion (or swinging motion), has simple structure and reliable work, can omit a speed reducer when realizing reciprocating motion, has no transmission clearance and moves stably, and is widely applied to hydraulic systems of various machines.
The traditional hydraulic oil cylinder has the problem that the stroke distance of the hydraulic oil cylinder cannot be conveniently and quickly changed, and inconvenience is brought to actual operation; the invention provides an engineering hydraulic oil cylinder with an adjustable stroke, which is used for solving the problem that the existing hydraulic oil cylinder cannot be conveniently fixed after the stroke distance is changed and brings inconvenience to actual operation.
Disclosure of Invention
The invention aims to provide an engineering hydraulic oil cylinder with an adjustable stroke, which is used for solving the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an engineering hydraulic oil cylinder with an adjustable stroke comprises a hydraulic oil cylinder body, wherein one end of the hydraulic oil cylinder body is provided with an end cover plate, one side of the end cover plate is fixedly provided with a protection plate, the other side of the end cover plate, close to the positions of two ends, is fixedly provided with a first connecting column, and the other side of the end cover plate, close to the position in the middle, is fixedly provided with a second connecting column;
the positioning device comprises two groups of first connecting columns, two groups of mounting plates, two groups of movable rods, two groups of limiting plates, iron sheets, limiting seats, positioning wheels, sliding rods, sliding grooves, positioning wheels, positioning rods, positioning wheels, fixing wheels, positioning wheels, one end of each of the two groups of sliding rods is fixed with the outer surface of one side of the connecting plate.
Preferably, the thread groove has been seted up to the inside of second spliced pole, the inside activity spiro union of thread groove has the threaded rod, the one end fixed mounting of threaded rod has first gear, one side meshing of first gear is connected with the second gear, the inboard fixed mounting of second gear has the dwang, one side of connecting plate leans on middle position fixed mounting to have the engaging lug.
Preferably, a groove is formed in the position, close to the threaded rod, of the inner wall of one side of the connecting plate, and one end of the threaded rod penetrates through the inner wall of one side of the connecting plate through the groove and extends into the connecting plate.
Preferably, the position that the top inner wall of connecting plate leaned on the dwang has seted up flutedly, and the one end of dwang runs through in the top inner wall of connecting plate and extends to the inside of connecting plate through the recess, a pot head of dwang is equipped with the bearing, and one side of bearing is fixed mutually with the bottom inner wall of connecting plate.
Preferably, the positions of the insides of the two groups of mounting plates, which are close to the corresponding movable rods, are provided with grooves, and the two groups of movable rods penetrate through the insides of the corresponding mounting plates through the corresponding grooves.
Preferably, the number of the directional wheels is four, the four directional wheels are equal in size, and the outer surfaces of one sides of the four directional wheels are attached to the outer surface of the inner wall of one side of the sliding groove.
Preferably, the sizes of the two groups of placing grooves are equal, the two groups of placing grooves are arranged in an axial symmetry mode, and the inner diameters of the two groups of placing grooves are matched with the outer diameters of the corresponding sliding rods in size.
Compared with the prior art, the invention has the beneficial effects that:
1. can make the stroke distance of hydraulic cylinder body change under the cooperation of parts such as two sets of first spliced pole, two sets of slide bars, second spliced pole, threaded rod and dwang, improve the flexibility that the hydraulic cylinder body used, and reduce the limitation that the hydraulic cylinder body used, improve the practicality of device.
2. When needs carry out spacing fixed to two sets of slide bars, the accessible removes two sets of movable rods to it is fixed to make to correspond the iron sheet and can adsorb with corresponding magnet piece, finally makes to correspond limiting plate and spacing seat and can carry out spacing fixed to corresponding the slide bar, thereby makes the slide bar can't remove, and the setting of guard plate can be to the equal guard action of surface of hydraulic cylinder body to a certain extent.
3. Through the setting that corresponds directional wheel and correspond the spout can make to correspond the slide bar more smoothly when removing difficult emergence skew phenomenon, through corresponding the bracing piece, the setting of placing board and directional wheel can play certain supporting role to corresponding the slide bar, thereby make to correspond the slide bar and can lean on the position in the middle at the inside of corresponding the standing groove, and then can avoid when removing one side surface that corresponds the slide bar and one side inner wall surface that corresponds the standing groove to take place the friction, thereby can improve the life of slide bar to a certain extent.
Drawings
FIG. 1 is a schematic view of the main body of the present invention;
FIG. 2 is an enlarged schematic view of the point A in FIG. 1;
FIG. 3 is an enlarged view of B in FIG. 1;
fig. 4 is a schematic structural side view of the first connecting post of the present invention.
In the figure: 1. a hydraulic cylinder body; 2. an end cover plate; 21. a protection plate; 3. a first connecting column; 31. a placement groove; 32. mounting a plate; 33. a movable rod; 34. a limiting plate; 35. iron sheets; 36. a limiting seat; 37. a magnet block; 38. a support bar; 39. placing the plate; 310. a directional wheel; 4. a slide bar; 41. a chute; 5. a second connecting column; 51. a thread groove; 6. a threaded rod; 61. a first gear; 62. a second gear; 63. rotating the rod; 7. a connecting plate; 8. and (5) connecting lugs.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 4, the present invention provides a technical solution: an engineering hydraulic cylinder with an adjustable stroke comprises a hydraulic cylinder body 1, wherein one end of the hydraulic cylinder body 1 is provided with an end cover plate 2, one side of the end cover plate 2 is fixedly provided with a protection plate 21, the other side of the end cover plate 2 close to the positions of two ends is fixedly provided with a first connecting column 3, and the other side of the end cover plate 2 close to the middle position is fixedly provided with a second connecting column 5;
the two groups of first connecting columns 3 are internally provided with placing grooves 31, the two groups of placing grooves 31 are equal in size, the two groups of placing grooves 31 are arranged in an axial symmetry manner, the inner diameter of each group of placing grooves 31 is matched with the outer diameter of the corresponding sliding rod 4, one side of each group of first connecting columns 3 is fixedly provided with a mounting plate 32 by one end, the inside of each group of mounting plates 32 is movably provided with a movable rod 33, the inside of each group of mounting plates 32 is provided with a groove by the corresponding movable rod 33, the two groups of movable rods 33 penetrate through the corresponding mounting plates 32 by the corresponding grooves, one ends of the two groups of movable rods 33 are fixedly provided with limiting plates 34, the outer surfaces of two ends of each group of limiting plates 34 are provided with iron sheets 35, one side of each group of first connecting columns 3 is fixedly provided with a limiting seat 36 by the other end, and the outer surfaces of two ends of the limiting seats 36 are provided with magnet blocks 37, the inner wall of the bottom end of the limiting seat 36 close to the two sides is fixedly provided with supporting rods 38, one end of each of two groups of supporting rods 38 is fixed with the outer surface of the bottom end of the placing plate 39, the top end of each of two groups of placing plates 39 close to the two sides is fixedly provided with a directional wheel 310, the number of the directional wheels 310 is four, the sizes of the four groups of directional wheels 310 are equal, the outer surfaces of one sides of the four groups of directional wheels 310 are attached to the outer surface of the inner wall of one side of a sliding groove 41, sliding rods 4 are movably arranged in the two groups of placing grooves 31, the outer surfaces of one sides of the two groups of sliding rods 4 close to the two groups of directional wheels 310 are provided with sliding grooves 41, and one ends of the two groups of sliding rods 4 are fixed with the outer surface of one side of a connecting plate 7;
a thread groove 51 is formed in the second connecting column 5, a threaded rod 6 is movably screwed in the thread groove 51, a groove is formed in the position, close to the threaded rod 6, of the inner wall of one side of the connecting plate 7, one end of the threaded rod 6 penetrates through the inner wall of one side of the connecting plate 7 through the groove and extends into the connecting plate 7, a first gear 61 is fixedly installed at one end of the threaded rod 6, a second gear 62 is connected to one side of the first gear 61 in a meshed mode, a rotating rod 63 is fixedly installed on the inner side of the second gear 62, a groove is formed in the position, close to the rotating rod 63, of the inner wall of the top end of the connecting plate 7, one end of the rotating rod 63 penetrates through the inner wall of the top end of the connecting plate 7 through the groove and extends into the connecting plate 7, a bearing is sleeved at one end of the rotating rod 63, one side of the bearing is fixed with the inner wall of the bottom end of the connecting plate 7, a connecting lug 8 is fixedly installed on one side of the connecting plate 7, close to the middle position, if the stroke distance of the hydraulic cylinder body 1 needs to be changed, a user can move the two sets of movable rods 33 outwards first, so that the corresponding limiting plates 34 can move correspondingly, and further the corresponding iron sheets 35 can be separated from the corresponding magnet blocks 37, at this time, the user can rotate the rotating rods 63, so that the second gear 62 can rotate, and further the first gear 61 and the threaded rod 6 can rotate, and finally the threaded rod 6 and the connecting plate 7 can move towards one side direction, while moving, the two sets of sliding rods 4 can correspondingly move inside the corresponding placing grooves 31, meanwhile, the two sets of directional wheels 310 inside the corresponding limiting seats 36 can correspondingly move inside the corresponding sliding grooves 41, and the corresponding sliding rods 4 can more smoothly move without the phenomenon of deviation due to the arrangement of the corresponding directional wheels 310 and the corresponding sliding grooves 41, the corresponding support rod 38, the placing plate 39 and the directional wheel 310 are arranged to support the corresponding slide rod 4 to a certain extent, so that the corresponding slide rod 4 can be located at a position near the middle inside the corresponding placing groove 31, and friction between the outer surface of one side of the corresponding slide rod 4 and the outer surface of the inner wall of one side of the corresponding placing groove 31 during moving can be avoided, so that the service life of the slide rod 4 can be prolonged to a certain extent, when a proper position is moved, a user can move the two groups of movable rods 33, so that the corresponding iron sheet 35 and the corresponding magnet block 37 can be adsorbed and fixed, finally, the corresponding limit plate 34 and the limit seat 36 can limit and fix the corresponding slide rod 4, so that the slide rod 4 cannot move, and the protection plate 21 can protect the outer surface of the hydraulic oil cylinder body 1 to a certain extent;
the working principle is as follows: in the using process, when the stroke distance of the hydraulic oil cylinder body 1 needs to be changed, a user can firstly move the two groups of movable rods 33 outwards, so that the corresponding limiting plates 34 can move correspondingly, further the corresponding iron sheets 35 can be separated from the corresponding magnet blocks 37, at this time, the user can rotate the rotating rods 63, further the second gear 62 can rotate, further the first gear 61 and the threaded rod 6 can rotate, finally the threaded rod 6 and the connecting plate 7 can move towards one side direction, when moving, the two groups of sliding rods 4 can correspondingly move in the corresponding placing grooves 31, meanwhile, the two groups of directional wheels 310 in the corresponding limiting seats 36 can correspondingly move in the corresponding sliding grooves 41, and the corresponding sliding rods 4 are more difficult to shift when moving due to the arrangement of the corresponding directional wheels 310 and the corresponding sliding grooves 41, through corresponding bracing piece 38, place board 39 and directional wheel 310's setting can play certain supporting role to corresponding slide bar 4, thereby make corresponding slide bar 4 can be in the inside position of leaning on the centre of corresponding standing groove 31, and then can avoid when removing corresponding slide bar 4 one side surface and the friction of the one side inner wall surface that corresponds standing groove 31, thereby can improve slide bar 4's life to a certain extent, when removing suitable position, the user's accessible removes two sets of movable rods 33, thereby make corresponding iron sheet 35 can adsorb fixedly with corresponding magnet piece 37, finally make corresponding limiting plate 34 and spacing seat 36 can carry out spacing fixed to corresponding slide bar 4, thereby make slide bar 4 can't remove, the setting of guard plate 21 can be all acted on hydraulic cylinder body 1's surface to a certain extent.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. The utility model provides an engineering hydraulic cylinder of adjustable stroke, includes hydraulic cylinder body (1), its characterized in that: an end cover plate (2) is arranged at one end of the hydraulic oil cylinder body (1), a protection plate (21) is fixedly mounted at one side of the end cover plate (2), first connecting columns (3) are fixedly mounted at positions, close to two ends, of the other side of the end cover plate (2), and second connecting columns (5) are fixedly mounted at positions, close to the middle, of the other side of the end cover plate (2);
the inner part of the two groups of first connecting columns (3) is respectively provided with a placing groove (31), one side of the two groups of first connecting columns (3) is provided with a mounting plate (32) by the position of one end, the inner part of the two groups of mounting plates (32) is movably mounted with a movable rod (33), one end of the two groups of movable rods (33) is fixedly mounted with a limiting plate (34), the outer surfaces of the two ends of the limiting plate (34) are respectively provided with an iron sheet (35), one side of the two groups of first connecting columns (3) is provided with a limiting seat (36) by the position of the other end, the outer surfaces of the two ends of the limiting seat (36) are respectively provided with a magnet block (37), the inner wall of the bottom end of the limiting seat (36) is fixedly provided with a supporting rod (38) by the positions of the two sides, and one end of the two groups of supporting rods (38) is fixed with the outer surface of the bottom end of the placing plate (39), the top ends of the two groups of placing plates (39) are fixedly provided with directional wheels (310) at positions close to the two sides, the inside of each group of placing grooves (31) is movably provided with a sliding rod (4), the outer surface of one side of each group of sliding rods (4) is provided with a sliding groove (41) at a position close to the two groups of directional wheels (310), and one end of each group of sliding rods (4) is fixed with the outer surface of one side of the connecting plate (7);
a thread groove (51) is formed in the second connecting column (5), a threaded rod (6) is screwed in the thread groove (51), a first gear (61) is fixedly mounted at one end of the threaded rod (6), a second gear (62) is meshed and connected with one side of the first gear (61), a rotating rod (63) is fixedly mounted on the inner side of the second gear (62), and a connecting lug (8) is fixedly mounted on one side of the connecting plate (7) close to the middle position;
a groove is formed in the position, close to the threaded rod (6), of the inner wall of one side of the connecting plate (7), and one end of the threaded rod (6) penetrates through the inner wall of one side of the connecting plate (7) through the groove and extends into the connecting plate (7);
a groove is formed in the position, close to the rotating rod (63), of the inner wall of the top end of the connecting plate (7), one end of the rotating rod (63) penetrates through the inner wall of the top end of the connecting plate (7) through the groove and extends into the connecting plate (7), a bearing is sleeved at one end of the rotating rod (63), and one side of the bearing is fixed to the inner wall of the bottom end of the connecting plate (7);
grooves are formed in the inner parts of the two groups of mounting plates (32) close to the positions corresponding to the movable rods (33), and the two groups of movable rods (33) penetrate through the inner parts of the corresponding mounting plates (32) through the corresponding grooves;
the number of the directional wheels (310) is four, the four groups of directional wheels (310) are equal in size, and the outer surfaces of one sides of the four groups of directional wheels (310) are attached to the outer surface of the inner wall of one side of the sliding groove (41);
the two groups of the placing grooves (31) are equal in size, the two groups of the placing grooves (31) are arranged in an axial symmetry manner, and the inner diameter of each group of the placing grooves (31) is matched with the outer diameter of the corresponding sliding rod (4);
in the use, when needing to change the stroke distance of hydraulic cylinder body (1), the user can move two sets of movable rods (33) to the outside earlier, thereby make corresponding limiting plate (34) can carry out corresponding motion, and then make corresponding iron sheet (35) can separate with corresponding magnet piece (37), at this moment, the user just can rotate dwang (63), thereby make second gear (62) can rotate, and then make first gear (61) and threaded rod (6) can rotate, finally make threaded rod (6) and connecting plate (7) can move to one side direction, two sets of slide bars (4) can carry out corresponding removal in the inside that corresponds standing groove (31) when moving, meanwhile two sets of directional wheels (310) that are located corresponding limiting seat (36) inside can be at corresponding spout (41) The corresponding movement is carried out inside, the corresponding sliding rod (4) can be more smoothly moved and is not easy to shift by arranging the corresponding directional wheel (310) and the corresponding sliding chute (41), the corresponding sliding rod (4) can be supported to a certain extent by arranging the corresponding supporting rod (38), the placing plate (39) and the corresponding directional wheel (310), so that the corresponding sliding rod (4) can be arranged at the position near the middle inside the corresponding placing groove (31), the friction between the outer surface of one side of the corresponding sliding rod (4) and the outer surface of the inner wall of one side of the corresponding placing groove (31) can be avoided when the corresponding sliding rod (4) is moved, the service life of the sliding rod (4) can be prolonged to a certain extent, when the proper position is moved, a user can move the two groups of movable rods (33), so that the corresponding iron sheet (35) can be adsorbed and fixed with the corresponding magnet block (37), finally, the corresponding limiting plate (34) and the limiting seat (36) can limit and fix the corresponding sliding rod (4), so that the sliding rod (4) cannot move, and the protective plate (21) can protect the outer surface of the hydraulic oil cylinder body (1) to a certain extent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110061032.2A CN112814969B (en) | 2021-01-18 | 2021-01-18 | Engineering hydraulic cylinder of adjustable stroke |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110061032.2A CN112814969B (en) | 2021-01-18 | 2021-01-18 | Engineering hydraulic cylinder of adjustable stroke |
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| Publication Number | Publication Date |
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| CN112814969A CN112814969A (en) | 2021-05-18 |
| CN112814969B true CN112814969B (en) | 2022-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110061032.2A Active CN112814969B (en) | 2021-01-18 | 2021-01-18 | Engineering hydraulic cylinder of adjustable stroke |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108953278A (en) * | 2018-08-03 | 2018-12-07 | 马鞍山市华洋机械刃具有限公司 | A kind of oil cylinder for hydraulic press brakes of novel adjustable stroke |
| CN208348197U (en) * | 2018-04-27 | 2019-01-08 | 温岭市电焊设备厂 | Stroke adjustable cylinder |
| CN210153018U (en) * | 2019-04-22 | 2020-03-17 | 扬州永存液压机电有限公司 | Hydraulic cylinder with stroke adjustment |
| CN111878483A (en) * | 2020-08-18 | 2020-11-03 | 柯马(上海)工程有限公司 | Double-guide-rod cylinder rear end limiting device |
-
2021
- 2021-01-18 CN CN202110061032.2A patent/CN112814969B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208348197U (en) * | 2018-04-27 | 2019-01-08 | 温岭市电焊设备厂 | Stroke adjustable cylinder |
| CN108953278A (en) * | 2018-08-03 | 2018-12-07 | 马鞍山市华洋机械刃具有限公司 | A kind of oil cylinder for hydraulic press brakes of novel adjustable stroke |
| CN210153018U (en) * | 2019-04-22 | 2020-03-17 | 扬州永存液压机电有限公司 | Hydraulic cylinder with stroke adjustment |
| CN111878483A (en) * | 2020-08-18 | 2020-11-03 | 柯马(上海)工程有限公司 | Double-guide-rod cylinder rear end limiting device |
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| CN112814969A (en) | 2021-05-18 |
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Effective date of registration: 20220630 Address after: No. 88, Jinshan North Road, Xinan community, Qianqiao street, Huishan District, Wuxi City, Jiangsu Province Applicant after: WUXI JIANGNAN HIGH PRECISION COLD-DRAWN PIPE Co.,Ltd. Address before: Guangzhou college, South China University of technology, No.1 Xuefu Road, Huadu District, Guangzhou, Guangdong 510000 Applicant before: Zhang Shurong |
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