CN106808221A - A kind of linear motion platform for heavy load - Google Patents
A kind of linear motion platform for heavy load Download PDFInfo
- Publication number
- CN106808221A CN106808221A CN201710242810.1A CN201710242810A CN106808221A CN 106808221 A CN106808221 A CN 106808221A CN 201710242810 A CN201710242810 A CN 201710242810A CN 106808221 A CN106808221 A CN 106808221A
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- platform
- bearing
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- actuator
- motion platform
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bearings For Parts Moving Linearly (AREA)
- Actuator (AREA)
Abstract
The invention discloses a kind of motion platform, belong to motion platform field.It includes the first drum assembly, second tin roller component, hydraulic servo actuator and motion platform.Multigroup first drum assembly and second tin roller component are arranged on the steel construction of ground, reciprocating support carrier and the guiding rail of composition supporting movement platform, hydraulic servo actuator is arranged on the ground steel construction of motion platform middle using actuator hinge seat, and hydraulic servo actuator is used to drive platform component to stop at a high speed and high-speed starting in assigned position.In the present invention, the sliding friction mode of conventional motion platform rail is replaced using rolling friction, the frictional resistance of motion platform can be greatly reduced, be driven using hydraulic servo actuator, the Heavy-load Characteristic requirement of motion platform can be met.Additionally, apparatus of the present invention compact conformation is simple, energy consumption is low, efficiency high.
Description
Art
The present invention relates to a kind of linear motion platform, more particularly to a kind of big position of the heavy load used in detection means
The linear motion platform for move, reciprocally slidably reciprocating.
Background technology
It is being machined and the field, the operating mode of the linear motion platform of existing detection means in heavily loaded high speed such as is detecting
Under, screw mandrel and rail plate is relied primarily on to transmit motion.Wherein, screw mandrel is used for transmitting power, rolling guide be used for carrying and
It is oriented to, screw mandrel is using the shuttling movement transmission power of ball.It is limited to heavy load and big displacement the screw mandrel accuracy of manufacture in itself
There is elastic deformation and response lag phenomenon in problem, screw mandrel, and this be applied to heavy load and big displacement in motion process
Leading screw process-cycle it is more long, meanwhile, using rail plate as primary drive guide rail come guiding movement, can inevitably
There is resistance problems of too, so that the driving force of motion platform is relative to be increased, and the rail plate of heavy load high speed moistens
Cunning is also extremely complex, safeguards and also bother very much.
Accordingly, it would be desirable to develop a kind of linear motion platform being suitably applied under heavy load, big displacement requirement, also requiring should
Linear motion platform safeguard, it is easy to use.
The content of the invention
It is straight the invention provides a kind of big displacement for heavy load for the disadvantages described above or Improvement requirement of prior art
Line motion platform, it uses rolling friction to replace the sliding friction side of conventional motion platform rail, and uses hydraulic servo start
Device is driven, and linear motion platform compact conformation of the invention is simple, rigidity is high, energy consumption is low, it is easy to accomplish automation mechanized operation,
Its operation and maintenance is more convenient.
To achieve the above object, the invention provides a kind of big displacement linear motion platform for heavy load, it includes
First drum assembly, second tin roller component, hydraulic servo actuator and platform component,
First drum assembly includes roller, the first bearing and the second bearing, and roller is arranged at the first bearing and second
Between bearing, the first bearing and the second bearing are installed with ground steel construction, and the second tin roller component includes roller and second
Bearing, the roller is multiple in the installation of the second bearing and ground steel construction between two the second bearings arranged in parallel
First drum assembly and multiple second tin roller components are together to form the main body and guide rail of supporting movement platform.
The hydraulic servo actuator includes piston rod earrings, actuator cylinder barrel, actuator hinge seat and displacement transducer,
Piston rod earrings is arranged on the piston rod front end of actuator, and for being connected with platform free bearing, actuator hinge seat is arranged on servo
Actuator cylinder barrel front end, for servo actuator to be fixed on into ground steel construction, displacement transducer is arranged on actuator afterbody,
Piston rod displacement for detecting actuator.
The platform component includes platform body, guide rail clip, Platform hinge seat and bearing pin.Guide rail clip is arranged on platform
On the pedestal of body lower surface both sides, the spigot surface for pushing down the first bearing, Platform hinge seat is arranged on platform body lower surface
Middle, be connected with the piston rod earrings of hydraulic servo actuator by bearing pin.Platform body and guide rail clip and first
Wear-resisting non-maintaining layered copper plate is fitted with the contact surface that the spigot surface of seat is in contact.
In general, by the contemplated above technical scheme of the present invention compared with prior art, can obtain down and show
Beneficial effect:
The drive rail of linear motion platform of the invention is roll friction, has low-down resistance compared to rail plate
Power.The actuator of apparatus of the present invention is directly connected with motion platform, and the response of motion platform does not exist hysteresis yet, significantly carries
The robustness of the motion accuracy control of motion platform high.Additionally, apparatus of the present invention are simple and compact for structure, design ingenious, safety
Reliable, the actuator of apparatus of the present invention can also be realized automatically controlling by extraneous hydraulic-driven and computer control system
And remote monitoring.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of linear motion platform of the invention.
Fig. 2 is the dimensional structure diagram of the first drum assembly in the embodiment of the present invention.
Fig. 3 is the dimensional structure diagram of second tin roller component in the embodiment of the present invention.
Fig. 4 is hydraulic servo actuator dimensional structure diagram in the embodiment of the present invention.
Fig. 5 is platform component dimensional structure diagram in the embodiment of the present invention.
In all of the figs, identical reference be used for represent identical element or structure, wherein:
1- the first drum assembly 2- second tin roller component 3- hydraulic servo actuators
4- platform components 5- the first bearing 6- rollers
7- the second bearing 8- piston rod earrings 9- actuator cylinder barrels
10- actuator hinge seat 11- displacement transducer 12- platform bodies
13- guide rail clip 14- Platform hinges seat 15- bearing pins
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as additionally, technical characteristic involved in invention described below each implementation method
Not constituting conflict each other can just be mutually combined.
Linear motion platform of the invention, it include the first drum assembly, second tin roller component, hydraulic servo actuator and
Motion platform.Multigroup first drum assembly and second tin roller component are arranged on the steel construction of ground, and composition supporting movement platform is past
The support carrier and guiding rail of multiple motion, hydraulic servo actuator are arranged on motion platform middle using actuator hinge seat
Ground steel construction on, hydraulic servo actuator be used for drive platform component assigned position at a high speed stop and high-speed starting.This
In invention, heavy load described in the big displacement linear motion platform of heavy load refers to the quality of movement load more than 40000kg, institute
State the displacement that big displacement refers to more than 4m.
Fig. 1 is the dimensional structure diagram of linear motion platform of the invention, and as seen from the figure, it includes the first drum assembly
1st, second tin roller component 2, hydraulic servo actuator 3 and platform component 4.
Fig. 2 is the dimensional structure diagram of the first drum assembly in the embodiment of the present invention, and Fig. 3 is in the embodiment of the present invention
The dimensional structure diagram of two drum assemblies, two width figures and Fig. 1 are understood with reference to more than, and the first drum assembly 1 and second is rolled
Cartridge module 2 is arranged on ground steel construction, and multiple second tin roller components 2 are connected with shape side by side with multiple first drum assemblies 1
Into guide rail entirety, the guide rail is integrally used for support platform part 4 and for platform component 4 in overall itself movement.
First drum assembly 1 is distributed in two side edges below platform component 4, and the first drum assembly 1 includes first
The 5, second bearing 7 of seat and roller 6, multiple rollers 6 are set in parallel between the first bearing 5 and the second bearing 7, the first bearing 5
It is parallel to each other with the second bearing 7.The second tin roller component 2 is distributed in platform assembly 4 centre, the second tin roller group below
Part 2 includes two the second bearings 7 and roller 6 be arrangeding in parallel, and multiple rollers 6 are set in parallel between two the second bearings 7.
Understood further combined with Fig. 1, Fig. 2 and Fig. 3, the hydraulic servo actuator 3 is arranged on the guide rail entirety
Middle, and be fixed on ground steel construction, the bottom surface of the platform component 4 is connected with hydraulic servo actuator 3, and the hydraulic pressure is watched
Actuator 3 is taken for driving platform component 4 to move to the position of setting.The inside of the hydraulic servo actuator 3 uses hydraulic oil
Drive.
In one embodiment of the invention, first bearing 5 and second bearing 7 are in strip, its length
Identical, the top of first bearing 5 has spigot surface, and the spigot surface is touched with the bottom connection of the platform component 4, the spigot surface
Smooth, its surface roughness Ra is not more than 3.2.
In another embodiment of the present invention, eight second tin roller components 2 and four the first drum assemblies 1 be connected side by side with
Guide rail entirety is formed, four the first drum assemblies 1 form two and arrange, two row are arranged symmetrically along hydraulic servo actuator 3, eight the
Two drum assembly 2 forms four and arranges, and four row are arranged symmetrically along hydraulic servo actuator 3, and two the first drum assemblies of row 1 are distributed respectively
In 4 liang of sides of platform component, four row second tin roller components 2 are distributed in the centre of platform component 4 two-by-two respectively.
Fig. 4 is hydraulic servo actuator dimensional structure diagram in the embodiment of the present invention, and the hydraulic servo actuator 3 is wrapped
Piston rod earrings 8, piston rod, actuator cylinder barrel 9, actuator hinge seat 10 and displacement transducer 11 are included, wherein, the piston rod
It is arranged in the actuator cylinder barrel 9, the piston rod earrings 8 is fixed on piston rod front end, for being connected with platform component 4,
The actuator hinge seat 10 is arranged on the front end of actuator cylinder barrel 9, for actuator cylinder barrel 9 to be fixed on into ground steel construction,
Institute's displacement sensors 11 are arranged on the afterbody of actuator cylinder barrel 9, for detecting piston rod displacement, so as to realize to platform component 4
Displacement detecting.Hydraulic servo actuator 3 is arranged on the lower section middle of platform component 4 and is neighbour with second tin roller component 2.
Fig. 5 is platform component dimensional structure diagram in the embodiment of the present invention, and it includes platform body 12, guide rail clip
13rd, Platform hinge seat 14 and bearing pin 15.Wherein, the guide rail clip 13 is arranged on the bottom surface both sides of platform body 2, exists for clinching
The spigot surface of the first bearing 5, the Platform hinge seat 14 is arranged on the bottom surface middle of platform body 12, and the bearing pin 15 is used for will
Piston rod earrings 8 is connected with Platform hinge seat 14.The platform body 12 and guide rail clip 13 with first bearing 5
Contact of practising physiognomy, wear-resisting non-maintaining layered copper plate is installed at contact surface.It is described flat in another embodiment of the present invention
The material of playscript with stage directions body 12 is full steel structure.
Understood with reference to Fig. 4 and Fig. 5, platform component 4 is arranged on the biography that the first drum assembly 1 and second tin roller component 2 are constituted
On dynamic guide rail, guide rail clip 13 is used to hook the first bearing 5 being in contact with platform component 4, and such design can prevent from putting down
Platform part is toppled, and the Platform hinge seat 14 of platform component 4 is connected using bearing pin 15, and the exercise performance of platform component 4 is by control
Hydraulic servo actuator 3 is realized.
The course of work of linear movement platform of the present invention is as follows:
The hydraulic oil for driving hydraulic servo actuator to move enters into the plunger shaft of hydraulic servo actuator, and hydraulic servo is made
The piston rod of dynamic device stretches out, and drives platform component 4 to move by piston rod earrings 8, and the distance of the motion of platform component 4 is by displacement
Sensor 11 is detected.When the distance of the motion of platform component 4 reaches setting position, stop the plunger shaft to hydraulic servo actuator
Supply hydraulic oil, platform component 4 stops at setting position.
In the present invention, the sliding friction mode of conventional motion platform rail is replaced using rolling friction, can be greatly reduced
The frictional resistance of motion platform, using the type of drive of hydraulic servo actuator, it is also possible to meet the Heavy-load Characteristic of motion platform
It is required that.Apparatus of the present invention compact conformation is simple, energy consumption is low, efficiency high.
As it will be easily appreciated by one skilled in the art that the foregoing is only presently preferred embodiments of the present invention, it is not used to
The limitation present invention, all any modification, equivalent and improvement made within the spirit and principles in the present invention etc., all should include
Within protection scope of the present invention.
Claims (8)
1. a kind of linear motion platform, it is characterised in that it includes the first drum assembly (1), second tin roller component (2), hydraulic pressure
Servo actuator (3) and platform component (4), wherein,
First drum assembly (1) and the second tin roller component (2) are arranged on ground steel construction, multiple second tin rollers
Component (2) is connected to form guide rail entirety side by side with multiple first drum assemblies (1), and the guide rail is integrally used for support platform part
(4) and for platform component (4) moved with the entirety,
First drum assembly (1) is distributed in platform component (4) two side edges below, first drum assembly (1)
Including the first bearing (5), the second bearing (7) and roller (6), multiple rollers (6) are set in parallel in the first bearing (5) and second
Between bearing (7), first bearing (5) and second bearing (7) are parallel to each other,
The second tin roller component (2) is distributed in platform assembly (4) centre below, and the second tin roller component (2) is including two
Individual the second bearing (7) and roller (6) be arrangeding in parallel, multiple rollers (6) are set in parallel between two the second bearings (7),
The hydraulic servo actuator (3) sets the overall middle of the guide rail, and is fixed on ground steel construction,
Platform component (4) bottom surface is connected with hydraulic servo actuator (3), and the hydraulic servo actuator (3) is for driving
Platform component (4) moves to the position of setting.
2. a kind of linear motion platform as claimed in claim 1, it is characterised in that first bearing (5) and described second
Bearing (7) is in strip, and its length is identical,
The top of first bearing (5) has spigot surface, and the spigot surface is touched with the platform component (4) bottom connection, and this is led
Smooth to face, its surface roughness Ra is not more than 3.2.
3. a kind of linear motion platform as claimed in claim 1 or 2, it is characterised in that hydraulic servo actuator (3) bag
Piston rod earrings (8), piston rod, actuator cylinder barrel (9), actuator hinge seat (10) and displacement transducer (11) are included, wherein,
The piston rod is arranged in the actuator cylinder barrel (9), and the piston rod earrings (8) is fixed on piston rod front end, is used
It is connected in platform component (4), the actuator hinge seat (10) is arranged on actuator cylinder barrel (9) front end, for by actuator
Cylinder barrel (9) is fixed on ground steel construction,
Institute's displacement sensors (11) is arranged on actuator cylinder barrel (9) afterbody, for detecting piston rod displacement, so as to realize to flat
The displacement detecting of platform part (4).
4. a kind of linear motion platform as claimed in claim 3, it is characterised in that the platform component (4) includes platform sheet
Body (12), guide rail clip (13), Platform hinge seat (14) and bearing pin (15), wherein, the guide rail clip (13) is arranged on platform
Body (2) bottom surface both sides, for clinching the first bearing (5) spigot surface,
Platform hinge seat (14) is arranged on platform body (12) bottom surface middle, and the bearing pin (15) is for by piston rod ear
Ring (8) is connected with Platform hinge seat (14).
5. a kind of linear motion platform as claimed in claim 3, it is characterised in that the platform body (12) and guide rail clip
(13) contacted with the practising physiognomy for the first bearing (5), wear-resisting non-maintaining layered copper plate is installed at contact surface.
6. a kind of linear motion platform as claimed in claim 1, it is characterised in that the hydraulic servo actuator (3) is internal
Driven using hydraulic oil.
7. a kind of linear motion platform as claimed in claim 1, it is characterised in that eight second tin roller components (2) with four
First drum assembly (1) is connected to form guide rail entirety side by side,
Four the first drum assemblies (1) form two and arrange, and two row are arranged symmetrically along hydraulic servo actuator (3), eight second rollings
Cartridge module (2) forms four and arranges, and four row are arranged symmetrically along hydraulic servo actuator (3),
Two the first drum assembly of row (1) are distributed in the side of platform component (4) two, and four row second tin rollers component (2) are distributed in platform
Part (4) centre.
8. a kind of linear motion platform as claimed in claim 1, it is characterised in that platform body (12) material is all steel
Structure.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710242810.1A CN106808221B (en) | 2017-04-14 | 2017-04-14 | linear motion platform for heavy load |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710242810.1A CN106808221B (en) | 2017-04-14 | 2017-04-14 | linear motion platform for heavy load |
Publications (2)
Publication Number | Publication Date |
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CN106808221A true CN106808221A (en) | 2017-06-09 |
CN106808221B CN106808221B (en) | 2019-12-06 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201710242810.1A Active CN106808221B (en) | 2017-04-14 | 2017-04-14 | linear motion platform for heavy load |
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CN (1) | CN106808221B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109469498A (en) * | 2018-12-29 | 2019-03-15 | 北京京水建设集团有限公司 | A kind of water-conveyance tunnel narrow space lined steel pipe mounting structure and its construction method |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
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CA1093048A (en) * | 1977-12-29 | 1981-01-06 | Louis W. Palmieri | Roller support assembly for machine carriage |
DE4324059A1 (en) * | 1993-07-17 | 1995-01-19 | Manfred Artkaemper | Guide element for slide guides and a slide guide |
CN102171467A (en) * | 2008-10-03 | 2011-08-31 | 施内贝格尔控股公司 | Fastening structure and method for fastening a guide rail of a linear guidance system |
CN102233842A (en) * | 2010-04-30 | 2011-11-09 | 杨小虹 | Reciprocating motion device for container goods flat pallet in carriage |
CN102500801A (en) * | 2011-10-14 | 2012-06-20 | 武汉大学 | Vertical double-sided milling machine of gantry |
WO2012086952A3 (en) * | 2010-12-23 | 2012-09-07 | 두산인프라코어 주식회사 | Sliding bearing assembly using a roller bearing |
CN202701780U (en) * | 2012-07-18 | 2013-01-30 | 上海三一精机有限公司 | Bed structure and machine tool |
CN202943204U (en) * | 2012-11-30 | 2013-05-22 | 太原重工股份有限公司 | Scroll-mobile workbench of forging hydraulic press |
-
2017
- 2017-04-14 CN CN201710242810.1A patent/CN106808221B/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1093048A (en) * | 1977-12-29 | 1981-01-06 | Louis W. Palmieri | Roller support assembly for machine carriage |
DE4324059A1 (en) * | 1993-07-17 | 1995-01-19 | Manfred Artkaemper | Guide element for slide guides and a slide guide |
CN102171467A (en) * | 2008-10-03 | 2011-08-31 | 施内贝格尔控股公司 | Fastening structure and method for fastening a guide rail of a linear guidance system |
CN102233842A (en) * | 2010-04-30 | 2011-11-09 | 杨小虹 | Reciprocating motion device for container goods flat pallet in carriage |
WO2012086952A3 (en) * | 2010-12-23 | 2012-09-07 | 두산인프라코어 주식회사 | Sliding bearing assembly using a roller bearing |
CN102500801A (en) * | 2011-10-14 | 2012-06-20 | 武汉大学 | Vertical double-sided milling machine of gantry |
CN202701780U (en) * | 2012-07-18 | 2013-01-30 | 上海三一精机有限公司 | Bed structure and machine tool |
CN202943204U (en) * | 2012-11-30 | 2013-05-22 | 太原重工股份有限公司 | Scroll-mobile workbench of forging hydraulic press |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109469498A (en) * | 2018-12-29 | 2019-03-15 | 北京京水建设集团有限公司 | A kind of water-conveyance tunnel narrow space lined steel pipe mounting structure and its construction method |
CN109469498B (en) * | 2018-12-29 | 2024-04-02 | 北京京水建设集团有限公司 | Mounting structure of lining steel pipe in narrow space of water delivery tunnel and construction method of mounting structure |
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Publication number | Publication date |
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CN106808221B (en) | 2019-12-06 |
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