CN112648261A - Multistage adjustable hydraulic oil cylinder - Google Patents
Multistage adjustable hydraulic oil cylinder Download PDFInfo
- Publication number
- CN112648261A CN112648261A CN202011456252.7A CN202011456252A CN112648261A CN 112648261 A CN112648261 A CN 112648261A CN 202011456252 A CN202011456252 A CN 202011456252A CN 112648261 A CN112648261 A CN 112648261A
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- hydraulic oil
- oil cylinder
- fixedly connected
- fixed
- wall
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- 239000010720 hydraulic oil Substances 0.000 title claims abstract description 47
- 230000007246 mechanism Effects 0.000 claims abstract description 91
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 230000006835 compression Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 9
- 238000003466 welding Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 description 6
- 239000000428 dust Substances 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 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
- F15B15/16—Characterised by the construction of the motor unit of the straight-cylinder type of the telescopic type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B17/00—Methods preventing fouling
- B08B17/02—Preventing deposition of fouling or of dust
- B08B17/04—Preventing deposition of fouling or of dust by using removable coverings
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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
- F15B15/20—Other details, e.g. assembly with regulating devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
- F16B13/04—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
- F16B13/04—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front
- F16B13/10—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front with separate gripping parts moved into their final position in relation to the body of the device by a separate operation
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Actuator (AREA)
Abstract
The invention relates to the field of hydraulic oil cylinders, in particular to a multistage adjustable hydraulic oil cylinder which comprises a hydraulic oil cylinder main body, wherein the telescopic end of the hydraulic oil cylinder main body faces upwards, a pushing mechanism is arranged on the outer circumferential wall of the upper end of the hydraulic oil cylinder main body through a fixed bearing, an extending mechanism is arranged on the outer circumferential wall of the lower end of the hydraulic oil cylinder main body, and the extending mechanism is connected with the pushing mechanism. The connector is fixed on the mounting plate, the mounting plate is connected to the fixing block through the transmission mechanism, the inserting mechanism and the driving mechanism, when the connector is damaged, the vertical plate of the driving mechanism is pulled, the fixing roller of the transmission mechanism is rotated, the inserting plate of the inserting mechanism is driven to move, the inserting plate is pulled out of the clamping block, the mounting plate and the connector can be conveniently detached from the hydraulic oil cylinder body, then a new mounting plate of the connector is mounted, cutting equipment and welding equipment are not needed in the mounting process, and the process is simple.
Description
Technical Field
The invention relates to the field of hydraulic oil cylinders, in particular to a multistage adjustable hydraulic oil cylinder.
Background
The hydraulic cylinder is called a hydraulic cylinder, and the multi-stage hydraulic cylinder is called a telescopic hydraulic cylinder, the length of which can be adjusted according to the installation position, is one of the hydraulic cylinders, belongs to common hydraulic execution elements, and is provided with the multi-stage hydraulic cylinder on a plurality of devices.
At present, the connector of flexible end installation on used multistage hydraulic cylinder is mostly fixed through the welding, if the connector appears damaging, the staff need tear the connector that damages off from multistage hydraulic cylinder with the help of cutting equipment, then utilize welding equipment welding a new connector, the process is comparatively loaded down with trivial details, multistage hydraulic cylinder's flexible part is mostly exposed in the air, if the foreign matter of dust class is more in the peripheral air, these foreign matters can be attached to flexible part, flexible part is when flexible, the outer wall of flexible part is worn and torn easily to these foreign matters, and multistage hydraulic cylinder's cylinder body length is mostly fixed, if the distance between two parts of connection is far away, make multistage hydraulic cylinder can't link together two parts that need connect.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a multi-stage adjustable hydraulic oil cylinder, which solves the problems that most of connectors arranged at the telescopic ends of the multi-stage hydraulic oil cylinders used at present are fixed by welding, if the connectors are damaged, workers need to remove the damaged connectors from the multi-stage hydraulic oil cylinders by cutting equipment, then a new connector is welded by utilizing welding equipment, the process is complicated, most of the telescopic parts of the multi-stage hydraulic cylinder are exposed in the air, if foreign matters such as dust and the like in the peripheral air are more, these foreign matters adhere to the telescopic member, and when the telescopic member is extended or contracted, the foreign matters easily wear the outer wall of the telescopic member, and the length of the cylinder body of the multi-stage hydraulic cylinder is mostly fixed, and if the distance between the two connected parts is long, the two parts which need to be connected cannot be connected together by the multi-stage hydraulic cylinder.
The technical scheme adopted by the invention for solving the technical problems is as follows: a multi-stage adjustable hydraulic oil cylinder comprises a hydraulic oil cylinder main body, wherein the telescopic end of the hydraulic oil cylinder main body faces upwards, a pushing mechanism is arranged on the outer circumferential wall of the upper end of the hydraulic oil cylinder main body through a fixed bearing, an extending mechanism is arranged on the outer circumferential wall of the lower end of the hydraulic oil cylinder main body, the extending mechanism is connected with the pushing mechanism, a fixed block is fixedly connected to the telescopic end of the hydraulic oil cylinder main body, the fixed block is of a hollow structure, the upper end of the fixed block is provided with an opening, two sides of the inside of the fixed block are provided with first sliding grooves, the inner walls of the front part and the rear part of each first sliding groove are provided with limiting grooves, an inserting mechanism is arranged inside each first sliding groove, two sides of the upper end of the fixed block are provided with cavities, the cavities are communicated with the first, the utility model discloses a hydraulic cylinder, including fixed block, telescopic sleeve, drive mechanism, homonymy drive mechanism, the upper end of fixed block is contradicted and is connected with the mounting panel, the lower extreme of mounting panel can be dismantled through fixing bolt and be connected with telescopic sleeve, telescopic sleeve cover is established in the flexible end outside of hydraulic cylinder main part and lower extreme fixed connection in the upper end of hydraulic cylinder main part, the upper end middle part fixedly connected with connector of mounting panel, smooth chamber has all been seted up to the lower extreme both sides of mounting panel, smooth chamber all communicates with each other with the homonymy cavity, actuating mechanism is all installed to the inside of smooth chamber, actuating mechanism all is connected with homonymy drive mechanism, the lower extreme middle part fixedly connected with fixture block of mounting.
Specifically, the extension mechanism includes the bottom plate, the bottom plate is contradicted and is connected the lower extreme in hydraulic cylinder main part, the upper end fixed connection of bottom plate is connected with the extension pipe, the extension pipe cover is established and sliding connection is on the circumference outer wall of hydraulic cylinder main part, the external screw thread has been seted up on the circumference outer wall of extension pipe, the outside cover of extension pipe is equipped with the sleeve pipe, sheathed tube internal diameter is greater than the external diameter of extension pipe, sheathed tube lower extreme fixed connection is in the upper end of bottom plate, the upper end middle part fixed connection of bottom plate has compression spring, compression spring is located the inside lower extreme of extension pipe, compression spring's upper end fixedly connected with roof, the upper end conflict of roof is connected the lower extreme in hydraulic.
Specifically, pushing mechanism includes the shell, the shell cover is established in the outside of hydraulic cylinder main part, the internal thread has been seted up on the inner wall of shell, the shell passes through the internal thread and extends the external screw thread threaded connection of mechanism, the fixed slot has been seted up to the inside upper end of shell, the inner wall of fixed slot and fixing bearing's outer lane circumference outer wall fixed connection, the upper end fixedly connected with of shell shelters from the ring, shelter from the ring cover and establish the flexible end in the hydraulic cylinder main part.
Specifically, a plurality of rotating plates are fixedly connected to the outer wall of the circumference of the upper end of the shell, and the distance between every two adjacent rotating plates is the same.
The inserting mechanism comprises an inserting plate, the inserting plate is connected inside a first sliding groove in the inserting position in a sliding mode, one side of the inserting plate close to the middle of the fixing block is connected inside a clamping block in a clamping mode, a plurality of second toothed plates are fixedly connected with the equal intervals of one side of the middle of the fixing block are far away from the upper end of the inserting plate, one side of the middle of the fixing block is fixedly connected with a limiting block, and the limiting block is connected inside a limiting groove in the same side in a sliding mode.
Specifically, drive mechanism all includes the fixed roll, a plurality of first pinion racks of impartial interval fixedly connected with on the circumference outer wall of fixed roll, the fixed roll all is connected through the second pinion rack meshing of first pinion rack and homonymy grafting mechanism, the middle part of fixed roll all runs through and the fixedly connected with fixed axle, the front and back portion of fixed axle all rotates and is connected with rotatory dish of carrying, rotatory dish of carrying keeps away from the equal fixed connection in one side of fixed axle on the inner wall of cavity.
Specifically, actuating mechanism all includes the slide, the equal sliding connection of slide is in the inside in place sliding chamber, the upper end middle part of slide all rotates perpendicularly and is connected with screw thread branch, screw thread branch's upper end all runs through and threaded connection is on the upper end lateral wall in place sliding chamber, the equal fixedly connected with nut in upper end of screw thread branch, the equal perpendicular fixedly connected with riser in one side at mounting panel middle part is kept away from to the slide lower extreme, the riser is close to a plurality of third pinion racks of the equal interval fixedly connected with of one side lower extreme at mounting panel middle part, the third pinion rack all is connected with the meshing of the first pinion rack of unilateral drive mechanism.
Specifically, the lower end of the vertical plate is inserted into the cavity at the same side, and one side of the vertical plate, which is far away from the mounting plate, is in abutting connection with the inner wall of the sliding cavity and the inner wall of the cavity.
The invention has the beneficial effects that:
(1) the connector is fixed on the mounting plate, the mounting plate is connected to the fixing block through the transmission mechanism, the inserting mechanism and the driving mechanism, when the connector is damaged, the vertical plate of the driving mechanism is pulled, the fixing roller of the transmission mechanism is rotated, the inserting plate of the inserting mechanism is driven to move, the inserting plate is pulled out of the clamping block, the mounting plate and the connector can be conveniently detached from the hydraulic oil cylinder body, then a new mounting plate of the connector is mounted, cutting equipment and welding equipment are not needed in the mounting process, and the process is simple.
(2) The mounting plate is provided with the telescopic sleeve which is sleeved outside the telescopic end of the main push of the hydraulic oil cylinder, so that foreign matters such as dust in the outside air can be isolated, and the foreign matters such as dust are prevented from being attached to the outer wall of the telescopic end of the main body of the hydraulic oil cylinder to cause abrasion.
(3) The extension mechanism and the pushing mechanism are arranged at the lower end of the hydraulic oil cylinder main body, and when the hydraulic oil cylinder main body is arranged, if the two connected components are far away, the extension pipe of the extension mechanism can be pushed to move through the shell of the pushing mechanism, so that the length of the cylinder body of the hydraulic oil cylinder main body is increased, and the two components which are far away are conveniently connected.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a cutaway view provided by the present invention;
FIG. 2 is an enlarged view of the area A in FIG. 1;
FIG. 3 is a schematic view of the external structure of the extension pipe according to the present invention;
FIG. 4 is a schematic view of a pushing mechanism according to the present invention;
FIG. 5 is a schematic view of a transmission mechanism according to the present invention;
FIG. 6 is a schematic structural diagram of a plugging mechanism provided in the present invention;
fig. 7 is a schematic diagram of an external structure provided by the present invention.
In the figure: 1. a hydraulic cylinder body; 2. an extension mechanism; 21. a base plate; 22. a sleeve; 23. an extension pipe; 24. an external thread; 25. a compression spring; 26. a top plate; 3. a pushing mechanism; 31. a housing; 32. an internal thread; 33. fixing grooves; 34. rotating the plate; 35. a shield ring; 4. fixing the bearing; 5. a fixed block; 6. a cavity; 7. a transmission mechanism; 71. a fixed roller; 72. a first toothed plate; 73. a fixed shaft; 74. rotating the carrying disc; 8. a plug-in mechanism; 81. inserting plates; 82. a second toothed plate; 83. a limiting block; 9. a drive mechanism; 91. a slide plate; 92. a threaded strut; 93. a nut; 94. a vertical plate; 95. a third toothed plate; 10. mounting a plate; 11. a slide chamber; 12. fixing the bolt; 13. a connector; 14. a telescopic sleeve; 15. a clamping block; 16. a first chute; 17. a limiting groove.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-7, the multistage adjustable hydraulic cylinder of the present invention comprises a hydraulic cylinder main body 1, wherein the telescopic end of the hydraulic cylinder main body 1 is upward, a pushing mechanism 3 is installed on the circumferential outer wall of the upper end of the hydraulic cylinder main body 1 through a fixed bearing 4, an extending mechanism 2 is installed on the circumferential outer wall of the lower end of the hydraulic cylinder main body 1, the extending mechanism 2 is connected with the pushing mechanism 3, a fixed block 5 is fixedly connected to the telescopic end of the hydraulic cylinder main body 1, the fixed block 5 is of a hollow structure and has an opening at the upper end, first sliding grooves 16 are respectively formed on two sides inside the fixed block 5, limiting grooves 17 are respectively formed on the inner walls of the front and rear portions of the first sliding grooves 16, inserting mechanisms 8 are respectively installed inside the first sliding grooves 16, and cavities 6 are respectively formed on two sides of, the cavity 6 is communicated with a first chute 16 on the same side, the cavity 6 is internally provided with a transmission mechanism 7, the transmission mechanism 7 is connected with an insertion mechanism 8 on the same side, the upper end of the fixed block 5 is connected with an installation plate 10 in an abutting mode, the lower end of the installation plate 10 is detachably connected with a telescopic sleeve 14 through a fixed bolt 12, the telescopic sleeve 14 is sleeved outside the telescopic end of the hydraulic oil cylinder main body 1, the lower end of the telescopic sleeve is fixedly connected with the upper end of the hydraulic oil cylinder main body 1, the middle part of the upper end of the installation plate 10 is fixedly connected with a connector 13, two sides of the lower end of the installation plate 10 are respectively provided with a sliding cavity 11, the sliding cavities 11 are communicated with the cavity 6 on the same side, the inside of the sliding cavities 11 is provided with a driving mechanism 9, the driving mechanisms 9 are respectively connected with the transmission mechanisms 7 on the same side, the two sides of the fixture block 15 are connected with the same-side inserting mechanism 8, the fixture block 15 can be fixed inside the fixing block 5 through the inserting mechanism 8, and then the mounting plate 10 and the connector 13 are fixed on the fixing block 5.
Specifically, grafting mechanism 8 all includes picture peg 81, the equal sliding connection of picture peg 81 is in the inside of the first spout 16 in place, picture peg 81 is close to the equal joint in one side at 5 middle parts of fixed block in the inside of fixture block 15, a plurality of second toothed plates 82 of the impartial interval fixedly connected with in one side at 5 middle parts of fixed block are kept away from to picture peg 81 upper end, the equal fixedly connected with stopper 83 in one side at 5 middle parts of fixed block is kept away from to picture peg 81 front and back portion, the equal sliding connection of stopper 83 is in the inside of homonymy spacing groove 17, through inserting picture peg 81 in the inside of fixture block 15, fixes fixture block 15 in the inside of fixed block 5, conveniently fixes mounting.
Specifically, drive mechanism 7 all includes fixed roller 71, a plurality of first pinion rack 72 of impartial interval fixedly connected with on the circumference outer wall of fixed roller 71, fixed roller 71 all connects through the meshing of first pinion rack 72 and the second pinion rack 82 of homonymy grafting mechanism 8, fixed roller 71's middle part all runs through and fixedly connected with fixed axle 73, fixed axle 73 all rotates to be connected with rotatory year dish 74 around, rotatory year dish 74 keeps away from the equal fixed connection of one side of fixed axle 73 on the inner wall of cavity 6, rotates through actuating mechanism 9 drive fixed roller 71, and fixed roller 71 rethread first pinion rack 72 drive homonymy grafting mechanism 8 motion makes things convenient for grafting of grafting mechanism 8 on fixture block 15.
Specifically, the driving mechanisms 9 each include a sliding plate 91, the sliding plates 91 are slidably connected inside the corresponding sliding cavity 11, the middle portion of the upper end of each sliding plate 91 is vertically and rotatably connected with a threaded support rod 92, the upper ends of the threaded support rods 92 are all penetrated and threadedly connected to the upper end side wall of the corresponding sliding cavity 11, the upper ends of the threaded support rods 92 are all fixedly connected with nuts 93, one side of the lower end of each sliding plate 91, which is far away from the middle portion of the corresponding mounting plate 10, is vertically and fixedly connected with a vertical plate 94, the lower end of each vertical plate 94 is inserted into the corresponding cavity 6, one side of each vertical plate 94, which is far away from the corresponding mounting plate 10, is in abutting connection with the inner wall of the corresponding sliding cavity 11 and the inner wall of the corresponding cavity 6, a plurality of third toothed plates 95 are fixedly connected at equal intervals at the lower end of one side of the vertical plate 94, which is, by rotating the threaded support rod 92, the sliding plate 91 moves up and down the vertical plate 94, so that the same-side transmission mechanism 7 is driven to move conveniently.
Specifically, the extension mechanism 2 includes a base plate 21, the base plate 21 is connected to the lower end of the hydraulic cylinder body 1 in an abutting manner, an extension pipe 23 is fixedly connected to the upper end of the base plate 21, the extension pipe 23 is sleeved and slidably connected to the outer circumferential wall of the hydraulic cylinder body 1, an external thread 24 is formed on the outer circumferential wall of the extension pipe 23, a sleeve 22 is sleeved outside the extension pipe 23, the inner diameter of the sleeve 22 is larger than the outer diameter of the extension pipe 23, the lower end of the sleeve 22 is fixedly connected to the upper end of the base plate 21, a compression spring 25 is fixedly connected to the middle of the upper end of the base plate 21, the compression spring 25 is located at the lower end inside the extension pipe 23, a top plate 26 is fixedly connected to the upper end of the compression spring 25, the upper end of the top plate 26 is connected to the lower end of the hydraulic cylinder body 1, the invention is convenient for connecting two parts with longer distance.
Specifically, pushing mechanism 3 includes shell 31, shell 31 cover is established in the outside of hydraulic cylinder main part 1, internal thread 32 has been seted up on the inner wall of shell 31, shell 31 passes through internal thread 32 and extends the external screw thread 24 threaded connection of mechanism 2, fixed slot 33 has been seted up to the inside upper end of shell 31, the inner wall of fixed slot 33 and the outer lane circumference outer wall fixed connection of fixing bearing 4, the upper end fixedly connected with of shell 31 shields ring 35, it establishes at the flexible end of hydraulic cylinder main part 1 to shield ring 35 cover, a plurality of commentaries on classics boards 34 of fixedly connected with on the upper end circumference outer wall of shell 31, adjacent two distance between changeing the board 34 is the same, rotates shell 31 through changeing board 34, and shell 31 rotates extension mechanism 2 again, makes things convenient for drive extension mechanism 2 to do concertina movement.
When the hydraulic oil cylinder is used, if the two connected components are far away from each other, the shell 31 can be rotated through the rotating plate 34, the shell 31 drives the extension pipe 23 to enable the extension pipe 23 to move downwards, the length of the hydraulic oil cylinder body 1 is enlarged, then the bottom plate 21 and the connector 13 are respectively fixed on the two connected components, when the hydraulic oil cylinder works, the telescopic end of the hydraulic oil cylinder body 1 performs telescopic motion, the telescopic sleeve 14 is driven to perform telescopic motion, the telescopic sleeve 14 shields the telescopic end of the hydraulic oil cylinder body 1, foreign matters such as dust in air are prevented from being attached to the outer wall of the telescopic end of the hydraulic oil cylinder body 1, when the connector 13 is damaged, a tool is used for rotating the nut 93, the nut 93 rotates the threaded support rod 92, the threaded support rod 92 moves the upright plate 94 upwards through the sliding plate 91, the fixed roller 71 is driven to rotate through the third toothed plate 95 during the motion of the upright plate 94, the fixed roller 71 moves the inserting plate 81 through, gradually pulling out the inserting plate 81 from the inside of the clamping block 15, then repeating the above manner to pull out the inserting plate 81 at the other side of the clamping block 15, then detaching the fixing bolt 12, separating the upper end of the telescopic sleeve 14 from the mounting plate 10, and pulling out the mounting plate 10 and the connector 13 from the fixing block 5, when a new connector 13 is installed, the mounting plate 10 can be clamped in the inside of the fixing block 5, meanwhile, the vertical plate 94 is inserted into the inside of the sliding cavity 11 at the same side, the upper end of the telescopic sleeve 14 is fixed on the mounting plate 10 through the fixing bolt 12, then, a tool is used to reversely rotate the nut 93, the threaded support rod 92 is moved downwards, the threaded support rod 92 then moves downwards the vertical plate 94, the vertical plate 94 reversely rotates the fixing roller 71 through the third toothed plate 95, the fixing roller 71 moves the inserting plate 81 through the first toothed plate 72 and the second toothed plate 82, the inserting plate 81 into the inside of the, and then the mounting plate 10 and the connector 13 are fixed on the telescopic end of the hydraulic oil cylinder body 1, and then the steps are repeated when the hydraulic oil cylinder is replaced.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. A multi-stage adjustable hydraulic oil cylinder comprises a hydraulic oil cylinder main body (1) and is characterized in that the telescopic end of the hydraulic oil cylinder main body (1) faces upwards, a pushing mechanism (3) is installed on the outer wall of the circumference of the upper end of the hydraulic oil cylinder main body (1) through a fixed bearing (4), an extending mechanism (2) is installed on the outer wall of the circumference of the lower end of the hydraulic oil cylinder main body (1), the extending mechanism (2) is connected with the pushing mechanism (3), a fixed block (5) is fixedly connected to the telescopic end of the hydraulic oil cylinder main body (1), the fixed block (5) is of a hollow structure, an opening is formed in the upper end of the fixed block, first sliding grooves (16) are formed in two sides of the inner portion of the fixed block (5), limiting grooves (17) are formed in the inner walls of the front portion and the rear portion of the first sliding, the hydraulic cylinder is characterized in that cavities (6) are respectively formed in two sides of the upper end of the fixed block (5), the cavities (6) are respectively communicated with first chutes (16) on the same side, transmission mechanisms (7) are respectively installed in the cavities (6), the transmission mechanisms (7) are respectively connected with plug-in mechanisms (8) on the same side, the upper end of the fixed block (5) is connected with a mounting plate (10) in a butting mode, the lower end of the mounting plate (10) is detachably connected with a telescopic sleeve (14) through a fixing bolt (12), the telescopic sleeve (14) is sleeved outside the telescopic end of the hydraulic cylinder main body (1), the lower end of the telescopic sleeve is fixedly connected to the upper end of the hydraulic cylinder main body (1), a connector (13) is fixedly connected to the middle of the upper end of the mounting plate (10), sliding cavities (11) are respectively formed in two sides of the lower end of, actuating mechanism (9) are all installed to the inside of sliding chamber (11), actuating mechanism (9) all are connected with same side drive mechanism (7), the lower extreme middle part fixedly connected with fixture block (15) of mounting panel (10), fixture block (15) joint is in the inboard middle part of fixed block (5), the both sides of fixture block (15) all are connected with homonymy grafting mechanism (8).
2. The multi-stage adjustable hydraulic ram of claim 1, wherein: the extension mechanism (2) comprises a bottom plate (21), the bottom plate (21) is connected to the lower end of the hydraulic oil cylinder main body (1) in an abutting mode, an extension pipe (23) is fixedly connected to the upper end of the bottom plate (21), the extension pipe (23) is sleeved and connected to the outer wall of the circumference of the hydraulic oil cylinder main body (1) in a sliding mode, external threads (24) are formed in the outer wall of the circumference of the extension pipe (23), a sleeve pipe (22) is sleeved on the outer portion of the extension pipe (23), the inner diameter of the sleeve pipe (22) is larger than the outer diameter of the extension pipe (23), the lower end of the sleeve pipe (22) is fixedly connected to the upper end of the bottom plate (21), a compression spring (25) is fixedly connected to the middle portion of the upper end of the bottom plate (21), the compression spring (25) is located at the lower end of the inner portion, the upper end of the top plate (26) is connected with the lower end of the hydraulic oil cylinder main body (1) in an abutting mode.
3. The multi-stage adjustable hydraulic ram of claim 1, wherein: pushing mechanism (3) include shell (31), shell (31) cover is established in the outside of hydraulic cylinder main part (1), set up on the inner wall of shell (31) internal thread (32), shell (31) are through internal thread (32) and external screw thread (24) threaded connection of extending mechanism (2), fixed slot (33) have been seted up to the inside upper end of shell (31), the inner wall of fixed slot (33) and the outer lane circumference outer wall fixed connection of fixing bearing (4), the upper end fixedly connected with of shell (31) shelters from ring (35), shelter from ring (35) cover and establish the flexible end in hydraulic cylinder main part (1).
4. The multi-stage adjustable hydraulic oil cylinder as claimed in claim 3, wherein: the outer wall of the circumference of the upper end of the shell (31) is fixedly connected with a plurality of rotating plates (34), and the distances between every two adjacent rotating plates (34) are the same.
5. The multi-stage adjustable hydraulic ram of claim 1, wherein: grafting mechanism (8) all include picture peg (81), the inside at place first spout (16) is connected in equal sliding of picture peg (81), picture peg (81) are close to the inside of the equal joint in one side at fixed block (5) middle part in one side, a plurality of second pinion racks (82) of the impartial interval fixedly connected with in one side at fixed block (5) middle part are kept away from to picture peg (81) upper end, the equal fixedly connected with stopper (83) in one side at fixed block (5) middle part are kept away from to picture peg (81) front and back portion, the equal sliding connection of stopper (83) is in the inside of homonymy spacing groove (17).
6. The multi-stage adjustable hydraulic ram of claim 1, wherein: drive mechanism (7) all include fixed roller (71), a plurality of first pinion rack (72) of impartial interval fixedly connected with on the circumference outer wall of fixed roller (71), fixed roller (71) all connect through first pinion rack (72) and second pinion rack (82) meshing of homonymy grafting mechanism (8), the middle part of fixed roller (71) all runs through and fixedly connected with fixed axle (73), the front and back portion of fixed axle (73) all rotates and is connected with rotatory year dish (74), rotatory year dish (74) keep away from the equal fixed connection in one side of fixed axle (73) on the inner wall of cavity (6).
7. The multi-stage adjustable hydraulic ram of claim 1, wherein: actuating mechanism (9) all include slide (91), the equal sliding connection of slide (91) is in the inside of place sliding chamber (11), the equal perpendicular rotation in upper end middle part of slide (91) is connected with screw thread branch (92), the upper end of screw thread branch (92) all runs through and threaded connection is on the upper end lateral wall of place sliding chamber (11), the equal fixedly connected with nut (93) in upper end of screw thread branch (92), the equal perpendicular fixedly connected with riser (94) in one side of mounting panel (10) middle part is kept away from to slide (91) lower extreme, a plurality of third pinion rack (95) of the equal interval fixedly connected with of one side lower extreme that riser (94) are close to mounting panel (10) middle part, third pinion rack (95) all with the meshing connection of first pinion rack (72) of same side drive mechanism (7).
8. The multi-stage adjustable hydraulic oil cylinder as claimed in claim 7, wherein: the lower ends of the vertical plates (94) are inserted into the cavities (6) on the same side, and one side, far away from the mounting plate (10), of each vertical plate (94) is in interference connection with the inner wall of the corresponding sliding cavity (11) and the inner wall of the corresponding cavity (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011456252.7A CN112648261A (en) | 2020-12-11 | 2020-12-11 | Multistage adjustable hydraulic oil cylinder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011456252.7A CN112648261A (en) | 2020-12-11 | 2020-12-11 | Multistage adjustable hydraulic oil cylinder |
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| Publication Number | Publication Date |
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| CN112648261A true CN112648261A (en) | 2021-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011456252.7A Pending CN112648261A (en) | 2020-12-11 | 2020-12-11 | Multistage adjustable hydraulic oil cylinder |
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| Country | Link |
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| CN (1) | CN112648261A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205576014U (en) * | 2016-04-29 | 2016-09-14 | 宣化钢铁集团有限责任公司 | Get a platform truck and carry a hydro -cylinder connector convenient to dismouting |
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2020
- 2020-12-11 CN CN202011456252.7A patent/CN112648261A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205576014U (en) * | 2016-04-29 | 2016-09-14 | 宣化钢铁集团有限责任公司 | Get a platform truck and carry a hydro -cylinder connector convenient to dismouting |
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