CN202507108U - Hydraulic cylinder speed multiplication mechanism - Google Patents

Hydraulic cylinder speed multiplication mechanism Download PDF

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Publication number
CN202507108U
CN202507108U CN2012201172425U CN201220117242U CN202507108U CN 202507108 U CN202507108 U CN 202507108U CN 2012201172425 U CN2012201172425 U CN 2012201172425U CN 201220117242 U CN201220117242 U CN 201220117242U CN 202507108 U CN202507108 U CN 202507108U
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CN
China
Prior art keywords
movable pulley
pulley
hydraulic cylinder
fixed
transmission rope
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2012201172425U
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Chinese (zh)
Inventor
赵悟
杨钊
王晓花
李海超
潘旭磊
李奇
薛芸
冯忠绪
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Changan University
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Changan University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Changan University filed Critical Changan University
Priority to CN2012201172425U priority Critical patent/CN202507108U/en
Application granted granted Critical
Publication of CN202507108U publication Critical patent/CN202507108U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a hydraulic cylinder speed multiplication mechanism, which comprises a rack, a transmission rope I, a transmission rope II, a movable pulley assembly I, a hydraulic cylinder I, a fixed pulley I and a fixed pulley II, wherein a hydraulic cylinder II is arranged below the hydraulic cylinder I, a movable pulley assembly II is arranged below the movable pulley assembly I, the movable pulley assembly II comprises a movably pulley III and a movable pulley IV which are arranged in a sliding groove II of the rack, the movable pulley III and the movable pulley IV are connected through a connecting piece II, one end of the transmission rope I and one end of the transmission rope II are fixedly arranged on the rack, the other end of the transmission rope I is sequentially wound through the movable pulley III, a movable pulley I and the fixed pulley I and are fixedly arranged on a workpiece, and the other end of the transmission rope II is sequentially wound through the movable pulley IV, a movable pulley II and the fixed pulley II and are fixedly arranged on the workpiece. The hydraulic cylinder speed multiplication mechanism has the advantages that the problem that the moving travel of a driving link is limited is solved, the production cost is reduced and the space is saved.

Description

A kind of hydraulic cylinder duplication acceleration mechanism
Technical field
The utility model relates to a kind of duplication acceleration mechanism, particularly relates to a kind of hydraulic cylinder duplication acceleration mechanism.
Background technology
The quality of machine tool feeding mechanism performance directly influences the quality of processing work, and can some engineering machinery equipment fast moving determine operating efficiency and the operation quality that this type of is mechanical.
Domestic hydraulic cylinder feed mechanism commonly used has following two kinds:
One, single times of feed mechanism of hydraulic cylinder.This feed mechanism is simple in structure, and the hydraulic cylinder stressing conditions is good, and reliable operation is simple to operate.But the shared space of this feed mechanism is bigger, is not easy to arrange install.
Two, two times of duplication acceleration mechanisms of hydraulic cylinder.This feed mechanism workpiece movement speed and stroke are two times of hydraulic cylinder relevant parameter, can on certain degree, reduce taking of space.
At present, two times of duplication acceleration mechanisms have been widely used in the feeding of rig, the feeding of lathe etc.Though can solve the Layout Problem in space to a certain extent, the set-up mode of this two times of duplication acceleration mechanisms is single, result of use is not good enough.
The utility model content
The purpose of the utility model is to overcome above-mentioned deficiency of the prior art, and a kind of hydraulic cylinder duplication acceleration mechanism is provided.This hydraulic cylinder duplication acceleration mechanism can make the motion of workpiece be enlarged into more than the twice of hydraulic cylinder motion, thereby solves the limited problem of movement travel of driving link, has reduced production cost simultaneously, has practiced thrift the space.
For realizing above-mentioned purpose; The technical scheme that the utility model adopts is: a kind of hydraulic cylinder duplication acceleration mechanism; Comprise frame, transmission rope one, transmission rope two and be arranged on movable pulley assembly one, hydraulic cylinder one, fixed pulley one and the fixed pulley two on the frame; Said fixed pulley one is rotatably connected on the frame with fixed pulley two and is positioned at the top of movable pulley assembly one; Said movable pulley assembly one comprises the movable pulley one and movable pulley two that is arranged in the frame chute one; Said movable pulley one and movable pulley two are through being connected with the connector one that movable pulley two moves in frame chute one driving movable pulley one under the driving of hydraulic cylinder one; Said movable pulley one all is rotationally connected with connector one with movable pulley two; It is characterized in that: the below of said hydraulic cylinder one is provided with hydraulic cylinder two; The below of said movable pulley assembly one is provided with movable pulley assembly two, and said movable pulley assembly two comprises the movable pulley three and movable pulley four that is arranged in the frame chute two, and said movable pulley three and movable pulley four-way are crossed driving movable pulley three under the driving of hydraulic cylinder two and be connected with movable pulley four mobile connector two in frame chute two; Said movable pulley three all is rotationally connected with connector two with movable pulley four; One end of said transmission rope one and an end of transmission rope two all are fixed on the frame and said transmission rope one and the transmission rope two and the fixing point of frame all are positioned at the below of connector two, and the other end of said transmission rope one is walked around movable pulley three, movable pulley one, fixed pulley successively and is fixed in the lump on the workpiece between fixed pulley one and the fixed pulley two, and the other end of said transmission rope two is walked around movable pulley four, movable pulley two, fixed pulley two successively and is fixed on the said workpiece.
Above-mentioned a kind of hydraulic cylinder duplication acceleration mechanism is characterized in that: said connector one is the rod-like structure that level is laid with connector two.
Above-mentioned a kind of hydraulic cylinder duplication acceleration mechanism is characterized in that: said hydraulic cylinder one is level with hydraulic cylinder two and lays, and said connector one is positioned at same horizontal plane with hydraulic cylinder one, and said connector two is positioned at same horizontal plane with hydraulic cylinder two.
Above-mentioned a kind of hydraulic cylinder duplication acceleration mechanism is characterized in that: the distance between said movable pulley three and the movable pulley four is greater than the distance between movable pulley one and the movable pulley two.
Above-mentioned a kind of hydraulic cylinder duplication acceleration mechanism; It is characterized in that: be provided with the fixed pulley three and fixed pulley four that are rotatably connected on the frame between said movable pulley assembly one and the movable pulley assembly two; Said fixed pulley three is positioned at the side of movable pulley three near fixed pulley one; Said fixed pulley four is positioned at the side of movable pulley four near fixed pulley two; One end of said transmission rope one and an end of transmission rope two all are fixed on the frame; And the fixing point of said transmission rope one and frame is positioned at the below of hydraulic cylinder two; The fixing point of said transmission rope two and frame is positioned at the below of fixed pulley four, and the other end of said transmission rope one is walked around movable pulley three, fixed pulley three, movable pulley one and fixed pulley successively and is fixed in the lump on the workpiece, and the other end of said transmission rope two is walked around movable pulley four, fixed pulley four, movable pulley two and fixed pulley two successively and is fixed on the workpiece.
The utility model compared with prior art has the following advantages:
1, the utility model is simple in structure, and novel and reasonable design is easy to install.
When 2, this hydraulic cylinder duplication acceleration mechanism of the utility model is adapted to the limited or vertical limited space of horizontal space; Long and do not have enough spatial placement like hydraulic cylinder travel; Or the too high situation of hydraulic cylinder cost of long stroke; The hydraulic cylinder that uses short stroke is in the hydraulic cylinder that replaces movable pulley and cooperating of fixed pulley long stroke, thus the doubly fast function of realization.
3, the realization cost of the utility model is low, and result of use is good, is convenient to promote the use of.
In sum, the utility model is simple in structure, novel and reasonable design; Functional reliability is high, and long service life can make the motion of workpiece be enlarged into more than the twice of hydraulic cylinder motion; Thereby solve the limited problem of movement travel of driving link, reduced production cost simultaneously, conserve space; Its result of use is good, is convenient to promote the use of.
Through accompanying drawing and embodiment, the technical scheme of the utility model is done further detailed description below.
Description of drawings
Fig. 1 is the structural representation of first kind of specific embodiment of the utility model.
Fig. 2 is the structural representation of second kind of specific embodiment of the utility model.
Description of reference numerals:
1-fixed pulley one; 2-hydraulic cylinder one; 3-hydraulic cylinder two;
4-movable pulley three; 5-connector two; 6-movable pulley four;
7-movable pulley two; 8-fixed pulley two; 9-transmission rope two;
10-connector one; 11-movable pulley one; The 12-workpiece;
13-transmission rope one; 14-fixed pulley three; 15-fixed pulley four.
The specific embodiment
Embodiment 1
A kind of hydraulic cylinder duplication acceleration mechanism as shown in Figure 1; Comprise frame, transmission rope 1, transmission rope 29 and be arranged on movable pulley assembly one, hydraulic cylinder 1, fixed pulley 1 and the fixed pulley 28 on the frame; Said fixed pulley 1 is rotatably connected on the frame with fixed pulley 28 and is positioned at the top of movable pulley assembly one; Concrete; Said fixed pulley 1 is positioned at the upper left side of movable pulley assembly one, and said fixed pulley 28 is positioned at the upper right side of movable pulley assembly one, and said movable pulley assembly one comprises the movable pulley 1 and movable pulley 27 that is arranged in the frame chute one and can moves along frame chute one; Said movable pulley 1 and movable pulley 27 are through being connected with the connector 1 that movable pulley 27 moves in frame chute one driving movable pulley 1 under the driving of hydraulic cylinder 1; Said movable pulley 1 all is rotationally connected with connector 1 with movable pulley 27, and the cylinder body of said hydraulic cylinder 1 is fixed on the frame, and the outer end of said hydraulic cylinder one 2 piston rods is connected with connector 1.
As shown in Figure 1; Preferred way is; The rod-like structure that said connector 1 is laid for level; One end of said connector 1 is provided with the power transmission shaft one that the center with movable pulley 1 is rotationally connected, and the other end of said connector 1 is provided with the power transmission shaft two that the center with movable pulley 27 is rotationally connected, and said connector 1 is positioned at same horizontal plane with hydraulic cylinder 1.
As shown in Figure 1; The below of said hydraulic cylinder 1 is provided with hydraulic cylinder 23; The below of said movable pulley assembly one is provided with movable pulley assembly two; Said movable pulley assembly two comprises the movable pulley 34 and movable pulley 46 that is arranged in the frame chute two and can moves along frame chute two; Said movable pulley 34 and movable pulley 46 are through being connected with the connector 25 that movable pulley 46 moves in frame chute two driving movable pulley 34 under the driving of hydraulic cylinder 23; Said movable pulley 34 all is rotationally connected with connector 25 with movable pulley 46; The outer end of said hydraulic cylinder 23 piston rods is connected with connector 25; Said movable pulley 1 is positioned at the upper right side of movable pulley 34; Said fixed pulley 1 is positioned at the upper left side of movable pulley 1; Said movable pulley 27 is positioned at the upper left side of movable pulley 46; Said fixed pulley 28 is positioned at the upper right side of movable pulley 27, and an end of said transmission rope 1 and an end of transmission rope 29 all are fixed on the frame and said transmission rope 1 and the transmission rope 29 and the fixing point of frame all are positioned at the below of connector 25, and the other end of said transmission rope 1 is walked around movable pulley 34, movable pulley 1, fixed pulley 1 successively and is fixed on the workpiece 12 between fixed pulley 1 and the fixed pulley 28; The other end of said transmission rope 29 is walked around movable pulley 46, movable pulley 27, fixed pulley 28 successively and is fixed on the said workpiece 12; The concrete winding of transmission rope 1 and transmission rope 29 is, the fixing point of said transmission rope 1 and frame and the fixing point of transmission rope 29 and frame each other near and all be positioned at connector 25 under, the other end of said transmission rope 1 walk around clockwise successively the left side of movable pulley 34, counterclockwise walk around the right side of movable pulley 1, walk around the left side of fixed pulley 1 and being fixed on the workpiece 12 between fixed pulley 1 and the fixed pulley 28 clockwise; The other end of said transmission rope 29 walk around counterclockwise successively the right side of movable pulley 46, clockwise walk around the left side of movable pulley 27, walk around the right side of fixed pulley 28 and being fixed on the said workpiece 12 counterclockwise, said transmission rope 1 all is " S " type with transmission rope 29 and lays.Preferred way is that said transmission rope 1 all adopts steel wire rope with transmission rope 29.
As shown in Figure 1; Preferred way is; Said connector 1 and the rod-like structure of connector 25 for the level laying; One end of said connector 25 is provided with the power transmission shaft three that the center with movable pulley 34 is rotationally connected, and the other end of said connector 25 is provided with the power transmission shaft four that the center with movable pulley 46 is rotationally connected, and said connector 25 is positioned at same horizontal plane with hydraulic cylinder 23.Said connector 1 is positioned at same horizontal plane with hydraulic cylinder 1; Connector 25 is positioned at same horizontal plane with hydraulic cylinder 23; Can make the maximum of the power effect performance of hydraulic cylinder 1 and hydraulic cylinder 23, and when this hydraulic cylinder duplication acceleration mechanism operation, the interference between each parts is minimum.
As shown in Figure 1; Distance between said movable pulley 34 and the movable pulley 46 is greater than the distance between movable pulley 1 and the movable pulley 27; Thereby make movable pulley 34 be positioned at the side of movable pulley 1 near fixed pulley 1, said movable pulley 46 is positioned at the side of movable pulley 27 near fixed pulley 28, further makes this hydraulic cylinder duplication acceleration mechanism in use; The tensile force of the transmission rope 1 between movable pulley 34 and movable pulley 1 strengthens; And the tensile force of transmission rope 29 strengthens between movable pulley 46 and movable pulley 27, has improved transmission rope 1 and transmission rope 29 operational efficiency, and its functional reliability is high.
Present embodiment in use; As shown in Figure 1; Hydraulic cylinder 23 keeps static; The piston rod of hydraulic cylinder 1 promotes connector 1 and moves right, and connector 1 drives movable pulley 1 and moves right in frame chute one with movable pulley 27, thereby transmission rope 1 between drive fixed pulley 1 and the fixed pulley 28 and transmission rope 29 are to left movement; Transmission rope 1 drives workpiece 12 to left movement with transmission rope 29, and the translational speed of workpiece 12 and movement travel are the twice of hydraulic cylinder one 2 translational speeds and operation stroke.Stop motion when the stroke of hydraulic cylinder 1 is extremely maximum; This moment, hydraulic cylinder 23 was started working; The piston rod of hydraulic cylinder 23 is to left movement; The piston rod of hydraulic cylinder 23 drives connector 25 to left movement, and connector 25 drives movable pulley 34 and moves left in frame chute one with movable pulley 46, thereby transmission rope 1 between drive fixed pulley 1 and the fixed pulley 28 and transmission rope 29 are to left movement; Transmission rope 1 drives workpiece 12 to left movement with transmission rope 29, and the translational speed of workpiece 12 is the twice of hydraulic cylinder 23 inner carrier translational speeds and operation stroke with the operation stroke.The balance of said movable pulley assembly one and movable pulley assembly two depends on the tensile force of transmission rope 1 and transmission rope 29.Present embodiment is applicable to when horizontal space enough, the special circumstances that vertically space is not enough when arranging many group assembly pulleys, thus solve the limited problem of movement travel of driving link, reduced production cost simultaneously, practiced thrift the space.
Embodiment 2
As shown in Figure 2; The difference of present embodiment and embodiment 1 is: be provided with fixed pulley 3 14 and fixed pulley 4 15 between said movable pulley assembly one and the movable pulley assembly two; Said fixed pulley 3 14 all is rotatably connected on the frame with fixed pulley 4 15; Said fixed pulley 3 14 is positioned at the side of movable pulley 34 near fixed pulley 1; Said fixed pulley 4 15 is positioned at the side of movable pulley 46 near fixed pulley 28; It is the left side that said fixed pulley 3 14 is positioned at movable pulley 34; Said fixed pulley 4 15 is positioned at the right side of movable pulley 46, and said movable pulley 1 is positioned at the right side of fixed pulley 3 14, and fixed pulley 1 is positioned at the left side of movable pulley 1; Said movable pulley 27 is positioned at the left side of fixed pulley 4 15; Said fixed pulley 28 is positioned at the right side of movable pulley 27, and an end of said transmission rope 1 and an end of transmission rope 29 all are fixed on the frame, and the fixing point of said transmission rope 1 and frame is positioned at the below of hydraulic cylinder 23; The fixing point of said transmission rope 29 and frame is positioned at the below of fixed pulley 4 15; Be the left side that the said transmission rope 1 and the fixing point of frame are positioned at movable pulley 34, the fixing point of said transmission rope 29 and frame is positioned at the right side of movable pulley 46, and the other end of said transmission rope 1 is walked around movable pulley 34, fixed pulley 3 14, movable pulley 1 and fixed pulley 1 successively and is fixed on the workpiece 12; The other end of said transmission rope 29 is walked around movable pulley 46, fixed pulley 4 15, movable pulley 27 and fixed pulley 28 successively and is fixed on the workpiece 12; Concrete winding is, the other end of said transmission rope 1 walk around counterclockwise successively the right side of movable pulley 34, clockwise walk around the left side of fixed pulley 3 14, counterclockwise walk around the right side of movable pulley 1, walk around the left side of fixed pulley 1 and being fixed on the workpiece 12 clockwise, the other end of said transmission rope 29 walk around clockwise successively the left side of movable pulley 46, counterclockwise walk around the right side of fixed pulley 4 15, clockwise walk around the left side of movable pulley 27, walk around the right side of fixed pulley 28 and being fixed on the workpiece 12 counterclockwise.Said transmission rope 1 all is " S " type with transmission rope 29 and lays.
In use, as shown in Figure 2, the hydraulic cylinder 23 in the present embodiment keeps static; The piston rod promotion connector 1 of hydraulic cylinder 1 moves right, and connector 1 drives movable pulleys 1 and moves in frame chute one with movable pulley 27, thereby drive transmission rope 1 and transmission rope 29 are to left movement; Transmission rope 1 drives workpiece 12 to left movement with transmission rope 29, and the translational speed of workpiece 12 and movement travel are the twice of hydraulic cylinder one 2 inner carrier strokes, stop motion when hydraulic cylinder one 2 strokes to maximum; At this moment; Hydraulic cylinder 23 is started working, and the piston rod of hydraulic cylinder 23 promotes connector 25 to the right, and movable pulley 34 moves along frame chute two with movable pulley 46; Driving transmission rope 1 through movable pulley 34, fixed pulley 3 14, movable pulley 1 and fixed pulley 1 is moved to the left; Be moved to the left thereby drive workpiece 12, at this moment, the translational speed of workpiece 12 is hydraulic cylinder 23 translational speeds and the twice of moving stroke with the operation stroke.Present embodiment is applicable to the laying when horizontal space is limited, has realized two times of fast feedings of workpiece 12, has improved operating efficiency, has practiced thrift the space.
The above; It only is the preferred embodiment of the utility model; Be not that the utility model is done any restriction; Every according to the utility model technical spirit to any simple modification, change and equivalent structure transformation that above embodiment did, all still belong in the protection domain of the utility model technical scheme.

Claims (5)

1. hydraulic cylinder duplication acceleration mechanism; Comprise frame, transmission rope one (13), transmission rope two (9) and be arranged on movable pulley assembly one, hydraulic cylinder one (2), fixed pulley one (1) and the fixed pulley two (8) on the frame; Said fixed pulley one (1) and fixed pulley two (8) are rotatably connected on the frame and are positioned at the top of movable pulley assembly one; Said movable pulley assembly one comprises movable pulley one (11) and the movable pulley two (7) that is arranged in the frame chute one; Said movable pulley one (11) is connected with the connector one (10) that movable pulley two (7) moves in frame chute one through under the driving of hydraulic cylinder one (2), driving movable pulley one (11) with movable pulley two (7); Said movable pulley one (11) and movable pulley two (7) all are rotationally connected with connector one (10); It is characterized in that: the below of said hydraulic cylinder one (2) is provided with hydraulic cylinder two (3); The below of said movable pulley assembly one is provided with movable pulley assembly two; Said movable pulley assembly two comprises movable pulley three (4) and the movable pulley four (6) that is arranged in the frame chute two; Said movable pulley three (4) is connected with the connector two (5) that movable pulley four (6) moves in frame chute two through under the driving of hydraulic cylinder two (3), driving movable pulley three (4) with movable pulley four (6); Said movable pulley three (4) and movable pulley four (6) all are rotationally connected with connector two (5); One end of one end of said transmission rope one (13) and transmission rope two (9) all is fixed on the frame and said transmission rope one (13) and transmission rope two (9) and the fixing point of frame all are positioned at the below of connector two (5); The other end of said transmission rope one (13) is walked around movable pulley three (4), movable pulley one (11), fixed pulley one (1) successively and is fixed on the workpiece (12) that is positioned between fixed pulley one (1) and the fixed pulley two (8), and the other end of said transmission rope two (9) is walked around movable pulley four (6), movable pulley two (7), fixed pulley two (8) successively and is fixed on the said workpiece (12).
2. a kind of hydraulic cylinder duplication acceleration mechanism according to claim 1 is characterized in that: said connector one (10) and connector two (5) are the rod-like structure that level is laid.
3. a kind of hydraulic cylinder duplication acceleration mechanism according to claim 2; It is characterized in that: said hydraulic cylinder one (2) and hydraulic cylinder two (3) are level and lay; Said connector one (10) and hydraulic cylinder one (2) are positioned at same horizontal plane, and said connector two (5) is positioned at same horizontal plane with hydraulic cylinder two (3).
4. according to claim 2 or 3 described a kind of hydraulic cylinder duplication acceleration mechanisms, it is characterized in that: the distance between said movable pulley three (4) and the movable pulley four (6) is greater than the distance between movable pulley one (11) and the movable pulley two (7).
5. a kind of hydraulic cylinder duplication acceleration mechanism according to claim 1; It is characterized in that: be provided with the fixed pulley three (14) and the fixed pulley four (15) that are rotatably connected on the frame between said movable pulley assembly one and the movable pulley assembly two; Said fixed pulley three (14) is positioned at the side of movable pulley three (4) near fixed pulley one (1); Said fixed pulley four (15) is positioned at the side of movable pulley four (6) near fixed pulley two (8); One end of one end of said transmission rope one (13) and transmission rope two (9) all is fixed on the frame; And the fixing point of said transmission rope one (13) and frame is positioned at the below of hydraulic cylinder two (3); The fixing point of said transmission rope two (9) and frame is positioned at the below of fixed pulley four (15); The other end of said transmission rope one (13) is walked around movable pulley three (4), fixed pulley three (14), movable pulley one (11) and fixed pulley one (1) successively and is fixed on the workpiece (12), and the other end of said transmission rope two (9) is walked around movable pulley four (6), fixed pulley four (15), movable pulley two (7) and fixed pulley two (8) successively and is fixed on the workpiece (12).
CN2012201172425U 2012-03-26 2012-03-26 Hydraulic cylinder speed multiplication mechanism Expired - Fee Related CN202507108U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012201172425U CN202507108U (en) 2012-03-26 2012-03-26 Hydraulic cylinder speed multiplication mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012201172425U CN202507108U (en) 2012-03-26 2012-03-26 Hydraulic cylinder speed multiplication mechanism

Publications (1)

Publication Number Publication Date
CN202507108U true CN202507108U (en) 2012-10-31

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Application Number Title Priority Date Filing Date
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CN (1) CN202507108U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102601661A (en) * 2012-03-26 2012-07-25 长安大学 Speed multiplying mechanism of hydraulic cylinder
CN106425525A (en) * 2016-11-28 2017-02-22 洛阳利维科技有限公司 Three-speed mobile series type sliding table combination method
CN106425524A (en) * 2016-11-28 2017-02-22 洛阳利维科技有限公司 Multi-unit-combined sliding table capable of moving at double-speed
CN106514292A (en) * 2016-11-28 2017-03-22 洛阳利维科技有限公司 Combined using method for combined type multifunction sliding table

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102601661A (en) * 2012-03-26 2012-07-25 长安大学 Speed multiplying mechanism of hydraulic cylinder
CN106425525A (en) * 2016-11-28 2017-02-22 洛阳利维科技有限公司 Three-speed mobile series type sliding table combination method
CN106425524A (en) * 2016-11-28 2017-02-22 洛阳利维科技有限公司 Multi-unit-combined sliding table capable of moving at double-speed
CN106514292A (en) * 2016-11-28 2017-03-22 洛阳利维科技有限公司 Combined using method for combined type multifunction sliding table

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20121031

Termination date: 20150326