CN203545612U - Two-dimensional movement constant-force hanging device - Google Patents
Two-dimensional movement constant-force hanging device Download PDFInfo
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- CN203545612U CN203545612U CN201320647171.4U CN201320647171U CN203545612U CN 203545612 U CN203545612 U CN 203545612U CN 201320647171 U CN201320647171 U CN 201320647171U CN 203545612 U CN203545612 U CN 203545612U
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- cylinder barrel
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- force output
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Abstract
The utility model relates to a two-dimensional movement constant-force hanging device, which comprises two constant-force output air cylinders, an air floating guide rail, two parallel groups of linear guide rails, a motor, a laser displacement sensor, a bracket, and the like, wherein the air floating guide rail comprises an air floating sleeve and an air floating shaft, the linear guide rails are vertically arranged on the bracket, the two ends of cylinders of the constant-force output air cylinders are respectively sheathed at the linear guide rails through slide blocks, output shafts of the constant-force output air cylinders are connected with the air floating shaft through connecting devices, the air floating sleeve is sheathed on the air floating shaft and is connected with a target workpiece through a suspension rope, the motor can drive the slide blocks to move, and the laser displacement sensor is arranged on a limiting block. The device has the advantages that the constant-force hanging is realized by adopting the constant-force output air cylinders, the horizontal following is realized through the air floating guide rail, the precision is high, and the stability is high.
Description
Technical field
The utility model relates to two-dimentional constant force erecting by overhang.
Background technology
Two dimensional motion constant force erecting by overhang is that target workpiece is realized to the constant force hanging of vertical direction and the motion accompanying in level, and target workpiece is not introduced to other external force, target workpiece state of kinematic motion is not exerted an influence.Prior art normally adopts suspension strop that the slide block of line slideway and target workpiece are coupled together, by angular transducer, measure the drift angle of suspension strop, by electric machine control slide block movement, realize the motion accompanying of horizontal direction, by force sensor measuring, go out again the size of power on suspension strop, by tightening up or loosening suspension strop and realize the servo-actuated and constant force of vertical direction and export.But because sensor measurement exists certain error, electric machine control precision is not high, be difficult to eliminate fluctuation and error, in specific implementation process, there are a lot of problems.Because air-float guide rail has frictionless feature, therefore the gentle empty boasting of target workpiece is coupled together, by air supporting, be enclosed within frictionless motion on air-bearing shafts and realize that horizontal motion is passive follows, by counterweight and target workpiece, hang again, realize constant force output and the motion accompanying of vertical direction, but when target workpiece is done acceleration or deceleration motion, counterweight can produce because of the impact of self inertia power one and act on the subsidiary load in target workpiece, and the larger impact of counterbalance mass is larger, therefore this method is only applicable to the occasion of target workpiece low speed or uniform movement.
Summary of the invention
Large for existing two dimensional motion constant force erecting by overhang measured error, follow the problems such as precision is not high, loss of weight counterweight inertia force influence is large, the utility model provides a kind of and adopts constant force output cylinder to realize constant force hanging, air-float guide rail to realize that level is followed, precision is high, the two-dimentional constant force of good stability is followed erecting by overhang.
The utility model solves the technical scheme that its technical matters adopts:
A two dimensional motion constant force erecting by overhang, comprises constant force output cylinder, air-float guide rail, line slideway, motor, laser displacement sensor, support etc.; Described air-float guide rail comprises air supporting cover and air-bearing shafts.
Described constant force output cylinder comprises cylinder barrel, connecting rod piston, end cap, output shaft, limiting stopper.Described piston bush is contained in cylinder barrel, and described cylinder barrel two ends are by end cap seal, and described cylinder barrel middle part has the two laterally zygomorphic axial notches in place, described axial notch two ends mounting limit piece.The first piston that described connecting rod piston comprises two ends projection, the second piston and middle piston rod, between described first piston, the second piston and cylinder barrel, leave minimum gap, described piston rod middle part connects output shaft, and described output shaft is through the axial notch on cylinder barrel.
Vertical rack-mount of described line slideway, described line slideway has parallel two groups, described constant force output cylinder has two, described constant force output cylinder barrel two ends are set on line slideway by slide block, the output shaft of described constant force output cylinder is connected with air-bearing shafts by connecting device, described air supporting cover is sleeved on air-bearing shafts, and described air supporting cover is by suspension strop linking objective workpiece.
Described motor is rack-mount, and described motor can drive slide block to move.Described laser displacement sensor is arranged on limiting stopper, and described laser displacement sensor is relative with position of output axle.
Described cylinder barrel two ends are respectively equipped with the first admission port and the second admission port.Described the first admission port is connected respectively apportioning valve and storage tank with the second admission port by tracheae.
The radially cutoff port that is uniformly distributed along the circumference on described first piston and the second piston, described first piston and the second piston are beaten axial blind hole along end face respectively and are formed induction opening, and described induction opening communicates with described radially cutoff port; Described first piston and the second piston are respectively equipped with a circle groove near end, in described groove, uniform radial blind holes forms first and unloads pore, from piston rod one end, beat axial blind hole respectively to first piston and the second piston and form second and unload pore, described first unloads pore and second unloads pore and communicates.
Orifice plug is installed in described radially cutoff port;
Described radially cutoff port in axial direction has two groups at least; Described radially cutoff port, induction opening and first unload pore and second and unload isolation mutually between pore.
Mentality of designing of the present utility model and advantage show:
Because air-float guide rail does not exist friction force, therefore target workpiece is overlapped and is connected with air supporting, air supporting cover can be on air-bearing shafts frictionless motion, realize the passive of horizontal direction and follow, the motion of target workpiece is not exerted an influence.Vertical direction is realized constant force by two constant force output cylinders and is hung, the connecting rod piston of constant force output cylinder can be in cylinder barrel frictionless motion, connecting rod piston is connected with air-bearing shafts by output shaft, therefore as long as passing into the pressure reduction of cylinder barrel and connecting rod piston two ends air pressure, passing ratio valve and storage tank control keeps constant, it is constant that the power value of exporting on cylinder barrel keeps, constant to the hanging force of target workpiece.
Because the stroke of constant force output cylinder is limited, therefore by line slideway, initiatively follow; The cylinder barrel connection sliding block of constant force output cylinder, laser displacement sensor can be measured the displacement of connecting rod piston, then by electric machine control slide block moving belt moveable cylinder, move corresponding distance, guarantee that connecting rod piston is positioned at its effective travel all the time, thereby realize the constant force hanging of long distance, on the other hand, reduced to change because connecting rod piston motion causes cylinder barrel cavity volume the impact that air pressure is produced, further improved the precision of constant force hanging.
Cylinder barrel and piston are Integral design, and processing is simple on the one hand, can meet assembly precision requirement on the other hand.
Uniform radially cutoff port on connecting rod piston, the high pressure gas in cylinder barrel enter radially cutoff port by induction opening, in the gap of cylinder barrel and piston, form air film, and two place's air films are that piston provides support and lubricates, and structure and plenum system are simple, load-carrying capacity good.
Radially near cutoff port, be equipped with pressure relief groove, pressure relief groove communicates with extraneous normal pressure, prevents that cylinder barrel inner high voltage gas from entering air supporting gap air film is exerted an influence on the one hand, plays sealing function, forms on the other hand atmospheric area in gap, promotes the formation of air film.
Cylinder barrel middle part has the two laterally zygomorphic axial notches in place, and piston rod middle part connects output shaft, and output shaft is through the axial notch on cylinder barrel, and the range of movement of output shaft is in axial notch.
Cylinder barrel two ends are respectively equipped with two admission ports, admission port connects apportioning valve and storage tank by tracheae, on output shaft, the size of power output value is relevant with the pressure size of cylinder barrel two ends input, passing ratio valve and storage tank are controlled the pressure size of cylinder barrel two ends input air pressure, the pressure difference that guarantees cylinder barrel two ends remains unchanged, and can realize constant force output.
Advantage of the present utility model shows: precision is high, good stability.
Accompanying drawing explanation
Fig. 1 is that two-dimentional constant force is followed erecting by overhang schematic diagram
Fig. 2 is constant force output cylinder schematic diagram
Fig. 3 is cylinder barrel schematic perspective view
Fig. 4 is connecting rod piston schematic diagram
The specific embodiment
A two dimensional motion constant force erecting by overhang, comprises constant force output cylinder, air-float guide rail, line slideway 18, motor 19, laser displacement sensor 13, support 20 etc.; Described air-float guide rail comprises air supporting cover 17 and air-bearing shafts 16.
Described constant force output cylinder comprises cylinder barrel 3, connecting rod piston 6, end cap 1, output shaft 8, limiting stopper 10.Piston 6 is sleeved in cylinder barrel 3, cylinder barrel 3 two ends seal by end cap 1, cylinder barrel 3 middle parts have the two laterally zygomorphic axial notches in place, axial notch two ends mounting limit piece 10, the first piston that connecting rod piston 6 comprises two ends projection, the second piston and middle piston rod, described first piston, the second piston and 3 of cylinder barrels leave minimum gap, and piston rod middle part connects output shaft 8, and output shaft 8 is through the axial notch on cylinder barrel 3.
What described line slideway 18 was vertical is arranged on support 20, described line slideway 18 has parallel two groups, described constant force output cylinder has two, described constant force output cylinder barrel 3 two ends are set on two line slideways 18 by slide block 14, the output shaft 8 of described constant force output cylinder is connected with air-bearing shafts 16 by connecting device 15, described air supporting cover 17 is sleeved on air-bearing shafts 16, and described air supporting cover 17 is by suspension strop linking objective workpiece 21.
Described motor 19 is arranged on support 20, and described motor 19 can drive slide block 14 to move.Described laser displacement sensor 13 is arranged on limiting stopper 10, and described laser displacement sensor 13 is relative with output shaft 8 positions.
Radially cutoff port 5, radially installation orifice plug in cutoff port are uniformly distributed along the circumference on first piston and the second piston; First piston and the second piston are beaten axial blind hole along end face respectively and are formed induction opening 7, and induction opening 7 communicates with described radially cutoff port 5; First piston and the second piston are respectively equipped with a circle groove 4 near end, the interior uniform radial blind holes of groove 4 forms first and unloads pore 11, from piston rod one end, beating axial blind hole respectively to first piston and the second piston forms second and unloads pore 12, the first and unload pore 11 and second and unload pore 12 and communicate.
Radially cutoff port 5 in axial direction has two groups at least; Radially cutoff port 5, induction opening 7 and first unload pore 11 and second and unload 12 isolation mutually of pore.
Claims (1)
1. a two dimensional motion constant force erecting by overhang, is characterized in that: comprise constant force output cylinder, air-float guide rail, line slideway, motor, laser displacement sensor, support etc.; Described air-float guide rail comprises air supporting cover and air-bearing shafts;
Described constant force output cylinder comprises cylinder barrel, connecting rod piston, end cap, output shaft, limiting stopper; Described piston bush is contained in cylinder barrel, and described cylinder barrel two ends are by end cap seal, and described cylinder barrel middle part has the two laterally zygomorphic axial notches in place, described axial notch two ends mounting limit piece; The first piston that described connecting rod piston comprises two ends projection, the second piston and middle piston rod, between described first piston, the second piston and cylinder barrel, leave minimum gap, described piston rod middle part connects output shaft, and described output shaft is through the axial notch on cylinder barrel;
Vertical rack-mount of described line slideway, described line slideway has parallel two groups, described constant force output cylinder has two, described constant force output cylinder barrel two ends are set on line slideway by slide block, the output shaft of described constant force output cylinder is connected with air-bearing shafts by connecting device, described air supporting cover is sleeved on air-bearing shafts, and described air supporting cover is by suspension strop linking objective workpiece;
Described motor is rack-mount, and described motor can drive slide block to move; Described laser displacement sensor is arranged on limiting stopper, and described laser displacement sensor is relative with position of output axle;
Described cylinder barrel two ends are respectively equipped with the first admission port and the second admission port, and described the first admission port is connected respectively apportioning valve and storage tank with the second admission port by tracheae;
The radially cutoff port that is uniformly distributed along the circumference on described first piston and the second piston, described first piston and the second piston are beaten axial blind hole along end face respectively and are formed induction opening, and described induction opening communicates with described radially cutoff port; Described first piston and the second piston are respectively equipped with a circle groove near end, in described groove, uniform radial blind holes forms first and unloads pore, from piston rod one end, beat axial blind hole respectively to first piston and the second piston and form second and unload pore, described first unloads pore and second unloads pore and communicates;
Orifice plug is installed in described radially cutoff port;
Described radially cutoff port in axial direction has two groups at least; Described radially cutoff port, induction opening and first unload pore and second and unload isolation mutually between pore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320647171.4U CN203545612U (en) | 2013-10-18 | 2013-10-18 | Two-dimensional movement constant-force hanging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320647171.4U CN203545612U (en) | 2013-10-18 | 2013-10-18 | Two-dimensional movement constant-force hanging device |
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| Publication Number | Publication Date |
|---|---|
| CN203545612U true CN203545612U (en) | 2014-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320647171.4U Withdrawn - After Issue CN203545612U (en) | 2013-10-18 | 2013-10-18 | Two-dimensional movement constant-force hanging device |
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| CN (1) | CN203545612U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103523718A (en) * | 2013-10-18 | 2014-01-22 | 浙江工商大学 | Two-dimensional motion constant force hanging device |
| CN111360461A (en) * | 2019-09-16 | 2020-07-03 | 中国铁建重工集团股份有限公司 | Shaft duct piece hoisting equipment and control method thereof |
-
2013
- 2013-10-18 CN CN201320647171.4U patent/CN203545612U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103523718A (en) * | 2013-10-18 | 2014-01-22 | 浙江工商大学 | Two-dimensional motion constant force hanging device |
| CN103523718B (en) * | 2013-10-18 | 2015-10-28 | 浙江工商大学 | A kind of two dimensional motion constant force erecting by overhang |
| CN111360461A (en) * | 2019-09-16 | 2020-07-03 | 中国铁建重工集团股份有限公司 | Shaft duct piece hoisting equipment and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140416 Effective date of abandoning: 20151028 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |