CN203558697U - Constant-force suspending device capable of realizing long-distance two-dimensional following - Google Patents
Constant-force suspending device capable of realizing long-distance two-dimensional following Download PDFInfo
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- CN203558697U CN203558697U CN201320646883.4U CN201320646883U CN203558697U CN 203558697 U CN203558697 U CN 203558697U CN 201320646883 U CN201320646883 U CN 201320646883U CN 203558697 U CN203558697 U CN 203558697U
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- cylinder barrel
- slide block
- fixed pulley
- constant force
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Abstract
The utility model discloses a constant-force suspending device capable of realizing long-distance two-dimensional following, and the constant-force suspending device comprises constant force output cylinders, an air floating device, a guide rail system, a pulley group, suspension ropes, a suspending base, a detecting device and the like, wherein two stop blocks are mounted on a linear guide rail; a first slider is mounted on the linear guide rail in a covering manner and arranged between the two stop blocks, a second slider and a third slider are mounted on the linear guide rail in the covering manner and respectively arranged on the two sides of the stop blocks; two constant force output cylinders are provided and respectively connected with the second slider and the third slider; the air floating device is connected with the first slider; a first fixed pulley and a second fixed pulley are connected with the air floating device; the suspending base is connected with a target work piece and two suspension ropes; the two suspension ropes respectively bypass the first fixed pulley and the second fixed pulley to be connected with the constant force output cylinder on the same side. By adopting air floating guide rails, the device disclosed by the utility model realizes long-distance horizontal following; by the constant-force output cylinders, lifting up and lifting down of the suspension ropes, motion following in the vertical direction and constant-force suspension are realized during horizontal motion of the target work piece; high precision and good stability are realized.
Description
Technical field
The utility model relates to two-dimentional constant force erecting by overhang.
Background technology
Two dimension constant force erecting by overhang is that target workpiece is realized to the motion accompanying in constant force hanging and the level of vertical direction, 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 loosen suspension strop and realize the servo-actuated and constant force output of vertical direction.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 is compared and had frictionless feature compared with common rail, therefore gentle target workpiece empty boasting is coupled together, by air supporting, be enclosed within frictionless motion on air-bearing shafts and realize that horizontal motion is passive follows, again by counterweight and target workpiece hanging, realize constant force output and the motion accompanying of vertical direction, but when target workpiece is done acceleration or deceleration motion, counterweight can produce a subsidiary load acting in target workpiece because of the impact of self inertia power, 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, on the other hand, be subject to the restriction of processing conditions and working accuracy, the stroke of air-float guide rail is little, be difficult to realize the motion accompanying of ultralong-stroke.
Summary of the invention
Large for existing two-dimentional 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 provide a kind of adopt constant force output cylinder realize constant force hanging, air-float guide rail realize long apart from level follow, precision is high, the two-dimentional constant force erecting by overhang of good stability.
The utility model solves the technical scheme that its technical matters adopts:
Realize the constant force erecting by overhang that long-distance 2 D is followed, comprise constant force output cylinder, air-floating apparatus, guide track system, assembly pulley, suspension strop, Holder for hanging household utensiles, detecting device etc.
Described guide track system comprises line slideway, the first slide block, the second slide block, the 3rd slide block and motor.Described line slideway is arranged on horizontal gird and stent support is passed through at two ends, two blocks are installed on described line slideway, described the first slide block set is contained on line slideway and between two blocks, described the second slide block, the 3rd slide block set are contained on line slideway and lay respectively at block both sides, described motor has three, be arranged on respectively on two supports and block, described motor can individual drive the first slide block, the second slide block, the 3rd slide block.
Described constant force output cylinder has two and connect respectively the second slide block, the 3rd slide block, and described air-floating apparatus connects the first slide block.
Described air-floating apparatus comprises air supporting seat, air-bearing shafts, air supporting cover; Described air supporting cover is sleeved on air-bearing shafts, and described air-bearing shafts two ends are by air supporting seat supports, and described air supporting seat connects the first slide block.
Described constant force output cylinder comprises piston, piston rod, cylinder barrel, end cap, cylinder barrel lid, air inlet cover; Described piston rod connects piston, described piston bush be contained in cylinder barrel and and cylinder barrel wall between have minimum gap, described cylinder barrel two ends are set with end cap and cylinder barrel lid, and described piston rod connects suspension strop through cylinder barrel lid, between described piston rod and cylinder barrel lid inwall, has minimum gap.
Described assembly pulley comprises the first fixed pulley, the second fixed pulley, and described the first fixed pulley and the second fixed pulley and air supporting cover are affixed.
Described Holder for hanging household utensiles linking objective workpiece, connects two suspension strops on described Holder for hanging household utensiles, described two suspension strops are walked around respectively the piston rod of the first fixed pulley, the second fixed pulley connection homonymy constant force output cylinder.
Described detecting device comprises laser displacement sensor and reflector, described laser displacement sensor has three and be arranged on respectively air supporting seat and the cylinder barrel of two constant force output cylinders covers, described reflector has two and be sleeved on piston rod, and described laser displacement sensor can be measured respectively the displacement of air supporting cover and piston rod.
Further, the air inlet cover of described constant force output cylinder comprises the first air inlet cover and the second air inlet cover, and described the first air inlet cover is sleeved on cylinder barrel, and described the second air inlet cover is sleeved on cylinder barrel and covers.
Between described the first air inlet cover and cylinder barrel, leave gap and form the first air storing cavity, described the first air inlet puts and is provided with the first admission port, and described the first admission port communicates with the first air storing cavity.Between described the second air inlet cover and cylinder barrel lid, leave gap and form the second air storing cavity, described the second air inlet puts and is provided with the second admission port, and described the second admission port communicates with the second air storing cavity.
Described cylinder barrel first cutoff port radially that is uniformly distributed along the circumference, described first radially cutoff port communicate with the first air storing cavity, described first radially cutoff port in axial direction have two groups at least, described first radially installs orifice plug in cutoff port.
Described cylinder barrel covers second cutoff port radially that is uniformly distributed along the circumference, described second radially cutoff port communicate with the second air storing cavity, described second radially cutoff port in axial direction have two groups at least, described second radially installs orifice plug in cutoff port.
Described piston is provided with the first pressure relief groove, the first groove on axial blind hole, outside piston cylinder that described the first pressure relief groove comprises piston center, the first radial direction through hole in the first groove; Described the first radial direction through hole communicates with axial blind hole, and described the first groove has two groups and be positioned at the two ends of piston at least.
Described piston rod center has axially extending bore and forms and unload pore, described in unload pore and communicate with the axial blind hole at piston center.
Described cylinder barrel covers and is provided with the second pressure relief groove, and described the second pressure relief groove comprises the second radial direction through hole in the second groove, the second groove on cylinder barrel lid inwall; Described the second radial direction through hole communicates with ambient atmosphere.
Described end cap is provided with air gate, and described cylinder barrel covers and is provided with induction opening; Described induction opening connects baroceptor and large storage tank by tracheae, stores pressure-sustaining gas in described large storage tank.
Between described end cap and cylinder barrel, between cylinder barrel and the first air inlet cover, between cylinder barrel lid and cylinder barrel, all adopt O type circle to seal between cylinder barrel lid and the second air inlet cover.
Further, described the first fixed pulley, the second fixed pulley are air-bearing pulley, and described air supporting cover, the first fixed pulley, the second fixed pulley can pass through air-bearing shafts air feed.
Mentality of designing of the present utility model shows:
Because air-float guide rail does not exist friction force, therefore target workpiece is connected with air supporting cover, air supporting cover can be on air-bearing shafts frictionless motion, realizing the passive of horizontal direction follows, due to target workpiece, also will realize the constant force of vertical direction hangs, therefore target workpiece is walked around respectively by two suspension strops two fixed pulleys that air supporting puts and is connected constant force output cylinders, utilize suspension strop in constant force output cylinder realize target workpiece level motion process folding and unfolding, guarantee the constant of hanging force on suspension strop.
Because the stroke of air-float guide rail is limited, therefore by air-floating apparatus and guide track system are coupled together, utilize laser displacement sensor to measure the displacement of air supporting cover, metrical information is fed back to guide track system control air-bearing shafts and move corresponding distance, make air supporting cover be positioned at all the time its effective travel; Fixed pulley and movable pulley are air-bearing pulley, and friction drag is little, and target workpiece is not introduced to additional forces.
The piston of constant force output cylinder can be in cylinder barrel frictionless motion, therefore as long as passing ratio valve and storage tank control pass into the atmospheric pressure value of inner cavity of cylinder, keep constant, it is constant that the power value of exporting on cylinder barrel keeps.Because the stroke of constant force output cylinder is limited, therefore, by line slideway, initiatively follow; On constant force output cylinder, laser displacement sensor is all installed, laser displacement sensor can be measured the displacement of connecting rod piston, then information is fed back to motor, 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.
Block is installed on line slideway, air-floating apparatus is between two blocks, constant force output cylinder is positioned at block both sides, and but the active of air-floating apparatus is followed with the active of constant force output cylinder and followed and share a guide rail do not influence each other each other, is all positioned at its effective travel.
Constant force output cylinder barrel inner chamber communicates with large storage tank, in large storage tank, store pressure-sustaining gas, be equivalent to increase the volume of cylinder barrel inlet chamber, the volume-variation that piston movement causes is less on the impact of air pressure sudden change, on the other hand, active by line slideway is followed, and has reduced to change because connecting rod piston motion causes cylinder barrel cavity volume the impact that air pressure is produced, and has further improved the precision of constant force hanging.
The cylinder barrel of constant force output cylinder and cylinder barrel cover and are respectively equipped with radially cutoff port, radially cutoff port overcoat has air inlet cover, the admission port that high pressure gas put from air inlet enters, by cutoff port radially between piston and cylinder barrel, between piston rod and cylinder barrel lid, form air film, for piston provides support and lubricates; Piston is not subject to the impact of admission line, and intake method is simple, good stability.
Piston and cylinder barrel cover and are equipped with pressure relief groove, and pressure relief groove communicates with ambient atmosphere, in the film formed gap of gas, form atmospheric area, make to have pressure gradient in gap, and the formation that air film is stablized in promotion, load-carrying capacity is good; Radially cutoff port on cylinder barrel is positioned at the medium position of cylinder barrel, and piston has certain length, in piston moving process, can guarantee that radially cutoff port on cylinder barrel is all the time in its range of movement.
The utility model has the advantages that: good stability, precision are high.
Figure of description
Fig. 1 is a kind of constant force erecting by overhang schematic diagram that long-distance 2 D is followed of realizing
Fig. 2 is constant force output cylinder schematic diagram
Fig. 3 is constant force output cylinder schematic perspective view
The specific embodiment
Realize the constant force erecting by overhang that long-distance 2 D is followed, comprise constant force output cylinder, air-floating apparatus, guide track system, assembly pulley, suspension strop, Holder for hanging household utensiles 39, detecting device etc.
Described guide track system comprises line slideway 26, the first slide block 31, the second slide block 28, the 3rd slide block 34 and motor 24.Described line slideway 26 is arranged on horizontal gird 27 and two ends are supported by support 25, two blocks 29 are installed on described line slideway 26, described the first slide block 31 is sleeved on line slideway 26 and between two blocks 29, described the second slide block 28, the 3rd slide block 34 are sleeved on line slideway 29 and lay respectively at block 29 both sides, described motor 24 has three, be arranged on respectively on two supports 25 and block 29, described motor 24 can individual drive the first slide block 31, the second slide block 28, the 3rd slide block 34.
Described constant force output cylinder has two and connect respectively the second slide block 28, the 3rd slide block 34, and described air-floating apparatus connects the first slide block 31.
Described air-floating apparatus comprises air supporting seat 30, air-bearing shafts 32, air supporting cover 33; Described air supporting cover 33 is sleeved on air-bearing shafts 32, and described air-bearing shafts 32 two ends are supported by air supporting seat 30, and described air supporting seat 30 connects the first slide block 31.
Constant force output cylinder comprises piston 5, piston rod 17, cylinder barrel 4, end cap 1, cylinder barrel lid 12, air inlet cover; Piston rod 17 connects piston 5, piston 5 be sleeved in cylinder barrel 4 and and cylinder barrel wall between have minimum gap, cylinder barrel 4 two ends are set with end cap 1 and cylinder barrel lid 12, and described piston rod 17 connects suspension strop through cylinder barrel lid 12, between described piston rod 17 and cylinder barrel lid 12 inwalls, has minimum gap.End cap 1 is provided with induction opening 2, and cylinder barrel lid 12 is provided with air gate 11; Induction opening 2 connects baroceptor and large storage tank by tracheae, in large storage tank, stores pressure-sustaining gas.
Described assembly pulley comprises the first fixed pulley 37, the second fixed pulley 38, and it is 33 affixed that described the first fixed pulley 37 and the second fixed pulley 38 and air supporting are overlapped.
Described Holder for hanging household utensiles 39 linking objective workpiece, connect two suspension strops on described Holder for hanging household utensiles 39, described two suspension strops are walked around respectively the piston rod that the first fixed pulley 37, the second fixed pulley 38 connect homonymy constant force output cylinder.
Described detecting device comprises laser displacement sensor 35 and reflector 36, described laser displacement sensor 35 have three and be arranged on respectively air supporting seat 30 and the cylinder barrel lid 12 of two constant force output cylinders on, described reflector 36 has two and be sleeved on piston rod 17, and described laser displacement sensor 35 can be measured respectively the displacement of air supporting cover 33 and piston rod 17.
Further, the air inlet cover of described constant force output cylinder comprises the first air inlet cover 7 and the second air inlet cover 14, the first air inlet covers 7 are sleeved on cylinder barrel 4, and the second air inlet cover 14 is sleeved on cylinder barrel lid 12; Between the first air inlet cover 7 and cylinder barrel 4, leave gap and form the first air storing cavity 22, between the second air inlet cover and cylinder barrel lid, leave gap and form the second air storing cavity 20, the first air inlet cover 7 is provided with the first admission port 8, the first admission port 8 communicates 22 with the first air storing cavity, the second air inlet cover 14 is provided with the second admission port 16, the second admission ports 16 and communicates with the second air storing cavity 20.
Piston is provided with the first pressure relief groove, the first groove 10 on axial blind hole 23, outside piston cylinder that the first pressure relief groove comprises piston center, the first radial direction through hole 6 in the first groove 10; The first radial direction through hole 6 communicates with axial blind hole 23, and the first groove 10 has two groups and be positioned at the two ends of piston; Piston rod 17 centers have axially extending bore formation and unload pore 18, unload pore 18 and communicate with the axial blind hole 23 at piston center; Cylinder barrel lid 12 is provided with the second pressure relief groove, and the second pressure relief groove comprises the second radial direction through hole 13 in the second groove 21, the second groove on cylinder barrel lid inwall; The second radial direction through hole 13 communicates with ambient atmosphere.
Between end cap 1 and cylinder barrel 4, between cylinder barrel 4 and the first air inlet cover 7, between cylinder barrel lid 12 and cylinder barrel 4, cylinder barrel lid 12 and the second air inlet all adopt O type circle 3 to seal between overlapping 14.
Further, described the first fixed pulley 37, the second fixed pulley 38 are air-bearing pulley, and described air supporting cover 33, the first fixed pulley 37, the second fixed pulley 38 can pass through air-bearing shafts 32 air feed.
Claims (3)
1. can realize the constant force erecting by overhang that long-distance 2 D is followed, it is characterized in that: comprise constant force output cylinder, air-floating apparatus, guide track system, assembly pulley, suspension strop, Holder for hanging household utensiles, detecting device etc.;
Described guide track system comprises line slideway, the first slide block, the second slide block, the 3rd slide block and motor; Described line slideway is arranged on horizontal gird and stent support is passed through at two ends, two blocks are installed on described line slideway, described the first slide block set is contained on line slideway and between two blocks, described the second slide block, the 3rd slide block set are contained on line slideway and lay respectively at block both sides, described motor has three, be arranged on respectively on two supports and block, described motor can individual drive the first slide block, the second slide block, the 3rd slide block;
Described constant force output cylinder has two and connect respectively the second slide block, the 3rd slide block, and described air-floating apparatus connects the first slide block;
Described air-floating apparatus comprises air supporting seat, air-bearing shafts, air supporting cover; Described air supporting cover is sleeved on air-bearing shafts, and described air-bearing shafts two ends are by air supporting seat supports, and described air supporting seat connects the first slide block;
Described constant force output cylinder comprises piston, piston rod, cylinder barrel, end cap, cylinder barrel lid, air inlet cover; Described piston rod connects piston, described piston bush be contained in cylinder barrel and and cylinder barrel wall between have minimum gap, described cylinder barrel two ends are set with end cap and cylinder barrel lid, and described piston rod connects suspension strop through cylinder barrel lid, between described piston rod and cylinder barrel lid inwall, has minimum gap;
Described assembly pulley comprises the first fixed pulley, the second fixed pulley, and described the first fixed pulley and the second fixed pulley and air supporting cover are affixed;
Described Holder for hanging household utensiles linking objective workpiece, connects two suspension strops on described Holder for hanging household utensiles, described two suspension strops are walked around respectively the piston rod of the first fixed pulley, the second fixed pulley connection homonymy constant force output cylinder;
Described detecting device comprises laser displacement sensor and reflector, described laser displacement sensor has three and be arranged on respectively air supporting seat and the cylinder barrel of two constant force output cylinders covers, described reflector has two and be sleeved on piston rod, and described laser displacement sensor can be measured respectively the displacement of air supporting cover and piston rod.
2. a kind of constant force erecting by overhang that long-distance 2 D is followed of realizing as claimed in claim 1, it is characterized in that: the air inlet cover of described constant force output cylinder comprises the first air inlet cover and the second air inlet cover, described the first air inlet cover is sleeved on cylinder barrel, and described the second air inlet cover is sleeved on cylinder barrel and covers;
Between described the first air inlet cover and cylinder barrel, leave gap and form the first air storing cavity, described the first air inlet puts and is provided with the first admission port, and described the first admission port communicates with the first air storing cavity.Between described the second air inlet cover and cylinder barrel lid, leave gap and form the second air storing cavity, described the second air inlet puts and is provided with the second admission port, and described the second admission port communicates with the second air storing cavity;
Described cylinder barrel first cutoff port radially that is uniformly distributed along the circumference, described first radially cutoff port communicate with the first air storing cavity, described first radially cutoff port in axial direction have two groups at least, described first radially installs orifice plug in cutoff port;
Described cylinder barrel covers second cutoff port radially that is uniformly distributed along the circumference, described second radially cutoff port communicate with the second air storing cavity, described second radially cutoff port in axial direction have two groups at least, described second radially installs orifice plug in cutoff port;
Described piston is provided with the first pressure relief groove, the first groove on axial blind hole, outside piston cylinder that described the first pressure relief groove comprises piston center, the first radial direction through hole in the first groove; Described the first radial direction through hole communicates with axial blind hole, and described the first groove has two groups and be positioned at the two ends of piston at least;
Described piston rod center has axially extending bore and forms and unload pore, described in unload pore and communicate with the axial blind hole at piston center;
Described cylinder barrel covers and is provided with the second pressure relief groove, and described the second pressure relief groove comprises the second radial direction through hole in the second groove, the second groove on cylinder barrel lid inwall; Described the second radial direction through hole communicates with ambient atmosphere;
Described end cap is provided with air gate, and described cylinder barrel covers and is provided with induction opening; Described induction opening connects baroceptor and large storage tank by tracheae, stores pressure-sustaining gas in described large storage tank;
3. a kind of constant force erecting by overhang that long-distance 2 D is followed of realizing as claimed in claim 1, it is characterized in that: described the first fixed pulley, the second fixed pulley are air-bearing pulley, described air supporting cover, the first fixed pulley, the second fixed pulley can pass through air-bearing shafts air feed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320646883.4U CN203558697U (en) | 2013-10-18 | 2013-10-18 | Constant-force suspending device capable of realizing long-distance two-dimensional following |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320646883.4U CN203558697U (en) | 2013-10-18 | 2013-10-18 | Constant-force suspending device capable of realizing long-distance two-dimensional following |
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| CN203558697U true CN203558697U (en) | 2014-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320646883.4U Withdrawn - After Issue CN203558697U (en) | 2013-10-18 | 2013-10-18 | Constant-force suspending device capable of realizing long-distance two-dimensional following |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103508304A (en) * | 2013-10-18 | 2014-01-15 | 浙江工业大学 | Constant-force suspension device capable of realizing long-distance two-dimensional follow |
| CN108715395A (en) * | 2018-07-30 | 2018-10-30 | 华业钢构有限公司 | A kind of roofdeck module hoisting device and its hanging method |
| CN109870352A (en) * | 2017-12-04 | 2019-06-11 | 北新集团建材股份有限公司 | A kind of plate hanging force test method |
-
2013
- 2013-10-18 CN CN201320646883.4U patent/CN203558697U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103508304A (en) * | 2013-10-18 | 2014-01-15 | 浙江工业大学 | Constant-force suspension device capable of realizing long-distance two-dimensional follow |
| CN103508304B (en) * | 2013-10-18 | 2015-07-22 | 浙江工业大学 | Constant-force suspension device capable of realizing long-distance two-dimensional follow |
| CN109870352A (en) * | 2017-12-04 | 2019-06-11 | 北新集团建材股份有限公司 | A kind of plate hanging force test method |
| CN108715395A (en) * | 2018-07-30 | 2018-10-30 | 华业钢构有限公司 | A kind of roofdeck module hoisting device and its hanging method |
| CN108715395B (en) * | 2018-07-30 | 2024-03-22 | 华业钢构有限公司 | Roof platform module lifting device and lifting method thereof |
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