CN105583793A - Test work platform with both revolving and angle adjusting functions - Google Patents
Test work platform with both revolving and angle adjusting functions Download PDFInfo
- Publication number
- CN105583793A CN105583793A CN201610121258.6A CN201610121258A CN105583793A CN 105583793 A CN105583793 A CN 105583793A CN 201610121258 A CN201610121258 A CN 201610121258A CN 105583793 A CN105583793 A CN 105583793A
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- China
- Prior art keywords
- turntable
- work platform
- revolution
- wedge
- workbench
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/02—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby of table type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/14—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for adjusting the bench top
Abstract
The invention discloses a test work platform with both revolving and angle adjusting functions. The test work platform comprises a motor, a work platform body, a revolving platform and a base, wherein the work platform body is connected with the revolving platform and used for holding an object to be tested; the revolving platform is located above the base; a hole is formed in the upper surface of the base; a main gear shaft is connected with the revolving platform through the hole, further connected with a motor and used for driving the revolving platform to revolve under the driving of the motor; an inclined wedge is arranged between the work platform body and the revolving platform and used for moving along the surface of the revolving platform, so that the work platform body is inclined, and the inclination angle of the work platform body is adjusted. The test work platform has the revolving and angle adjusting functions. The object to be tested does not need to be transferred back and forth among work platforms with different functions for tests with various parameters and does not need to be positioned, leveled, fixed or the like again. Especially for a large product or workpiece, the waste of manpower, material resources and time is avoided.
Description
Technical field
The invention belongs to experiment work Platform Machinery design field, more specifically, relate to one and have concurrently backTurn and the experiment work platform of angle regulating function, be applicable to revolution and the inclination pattern of product or workpieceTest or routine test.
Background technology
After some product in mechanical field or workpiece complete, need carry out turning test, tilt in factTest or have concurrently the test of above-mentioned two situations, check the function of product or workpiece whether to meet with thisRequirement. The existing cast iron workbench that has revolution and angle regulating function concurrently is mainly used in lathe, millingBed and annex thereof, and the rare steel construction work that is specifically designed to product or workpiece type approval test or routine testMaking platform, is the experiment work platform that meets separately the specific functions such as revolution or inclination more, works as needWill carry out the test of many kinds of parameters to product or workpiece time, product or workpiece do different sections object and test notOnly need to transfer back and forth between difference in functionality workbench, also need recast location, leveling, fixing etc. oneSeries loaded down with trivial details work, especially large product or workpiece, waste of manpower unavoidably, material resources and time.
The existing cast iron workbench that has revolution and angle regulating function concurrently, adopts transmission accuracy conventionallyHigher ball-screw or threaded screw rod, but because leading screw is elongated flexible axle, its length L and diameter dRatio very large, be generally 20～50, rigidity is poor, and has the high accuracy such as ladder screw thread, groove, in process, very easily there is distortion in complex surface. In addition while, adjusting angle, also need a set of hydraulic pressure systemSystem, complex process, cost is higher. These features have determined that lead screw transmission is unsuitable for the large load of long distanceEtc. extreme product or workpiece, more can not stand the frequency that long type approval test or routine test are broughtThe operating modes such as numerous shock and vibration, can only bear the processing tasks of little load, short time, cannot complete largeThe long type approval test of type product or workpiece or routine test.
Summary of the invention
For above defect or the Improvement requirement of prior art, the object of the present invention is to provide a kind of holding concurrentlyThe experiment work platform of tool revolution and angle regulating function, wherein by tying its crucial building blockStructure and set-up mode etc. thereof improve, and compared with prior art can effectively solve test platform functionSingle problem, and this experiment work platform adopts the structure for body form to be tested, and treatsTest object is worked good.
For achieving the above object, according to one aspect of the present invention, provide one to have revolution and angle concurrentlyThe experiment work platform of degree regulatory function, is characterized in that, comprise motor (10), workbench (2),Turntable (6) and base (4), wherein,
Described workbench (2) is connected with described turntable (6), and is positioned at the top of this turntable (6),Be used for placing object to be tested;
Described turntable (6) is positioned at the top of described base (4), and this turntable (6) is circular, at thisOn the upper surface of base (4), arrange porosely, main gear shaft (1) is by this hole and described turntable (6)Be connected; Described main gear shaft (1) is also connected with described motor (10), in this motor (10)Driving under drive described turntable (6) revolution;
Between described workbench (2) and described turntable (6), be provided with wedge (3), this wedge(3) for moving along the surface of described turntable (6), make described workbench (2) run-off the straight,And regulate the angle of inclination of this workbench (2).
As present invention further optimization, described turntable offers rectangular recess on (6), this rectangleGroove is used for holding described wedge (3).
As present invention further optimization, between described workbench (2) and described turntable (6)Be connected by revolving bed (16), when this revolving bed (16) tilts as described workbench (2)Stiff end.
As present invention further optimization, on described turntable (6), there is tie down screw (17), useIn the described workbench of locking (2), make described workbench (2) and both positions of this turntable (6)The relation of putting remains unchanged.
As present invention further optimization, on the upper surface of described base (4), be also provided with fixture(11), for locking described turntable (6), make this turntable (6) and described base (4) bothPosition relationship remains unchanged.
As present invention further optimization, described main gear shaft (1) by axle sleeve (5) with described inBase (4) joins.
As present invention further optimization, described wedge (3) is connected with screw (14), this screwBe used for locking described wedge, avoid the movement of this wedge; Preferably, described wedge (3) and described spiral shellBetween silk (14), be connected by connecting rod (15).
As present invention further optimization, between described wedge (3) and described workbench (2)Also be provided with roller (13), be convenient to the movement of this wedge (3).
As present invention further optimization, described motor (10) is also connected with decelerator (9).
As present invention further optimization, it is upper that described turntable (6) is enclosed within described main gear shaft (1),Between this turntable (6) and this main gear shaft (1), it is interference fit.
The above technical scheme of conceiving by the present invention, compared with prior art, due to experiment workPlatform has revolution and angle regulating function concurrently, and object (as large product or workpiece etc.) to be tested doesDifferent tests is without transfer back and forth between the workbench of difference in functionality, without recast location, leveling,A series of repeated works, especially large product or the workpiece such as fixing, avoided manpower, material resources and timeBetween waste. And angle regulating function only needs manually can complete, and mechanism is easy, low cost of manufacture.
The feature that the present invention is directed to the little angle of inclination adjusting of large-scale workpiece or product, adopts motor and toothThe combined mode of wheel shaft is turned round workbench, by linkage and the combined angle of carrying out of wedgeDegree regulates, and substitutes the existing kind of drive. In addition, because box base has rigidity and steady preferablyQualitative, and motor and gear shaft are all built in casing, transmission distance is short, and gear power attenuation is specialLittle, negligible, can either stand the frequency that long type approval test or routine test are broughtThe operating modes such as numerous shock and vibration, bear large load, long processing tasks, and processing technology are simple,Be convenient to manufacture, be highly suitable for the long type approval test of large product or workpiece or routine test.
Motor and gear shaft are built in box base by test platform in the present invention, drives turntable to carry outRevolution, has significantly saved transmission space, makes test platform good looking appearance, compact conformation; The company of employingThe combined mode of linkage and wedge tilts turntable, thereby completes angular adjustment, and mechanism is easy,Very easily operation; This revolution and angular adjustment mode are first for large scale, heavy load product or workThe turning test of part or routine test, make object to be tested without at turning test platform and angle inclined testTest handling back and forth between platform, save test period, improve experimental safe, obtained design wellEffect.
Consider the feature such as large scale, heavy load of product or workpiece, that tilts in conjunction with steel construction topplesMoment and stability result of calculation, the rotation of rotary table speed in the present invention is made as 6-10 rev/min, and work is flatPlatform range of tilt angles is 0～15 °, and this design parameter can be at guarantee test platform in each regulating working conditions processUnder the prerequisite of middle safety and stablization, complete smoothly type approval test or the routine test of large product or workpiece.
Brief description of the drawings
Fig. 1 is the overall knot that the present invention has the experiment work stage apparatus of revolution and angle regulating function concurrentlyStructure schematic diagram;
Fig. 2 is base intracavity structural representation;
Fig. 3 is that wedge moves partial schematic diagram.
In figure, the implication of each Reference numeral is as follows: 1 is Large Gear Shaft (being main gear shaft), and 2 is workPlatform, 3 is wedge, and 4 is base, and 5 is axle sleeve, and 6 is turntable, and 7 is foundation bolt, and 8 is little toothWheel shaft, 9 is decelerator, and 10 is motor, and 11 is fixture, and 12 is rectangular recess, 13 rollers, 14For screw, 15 is connecting rod, and 16 is revolving bed, and 17 is tie down screw, and 18 is pin joint, and 19 for solidDetermine fulcrum, 20 is fixed head.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawingAnd embodiment, the present invention is further elaborated. Should be appreciated that described herein concreteEmbodiment only, in order to explain the present invention, is not intended to limit the present invention. In addition described,Involved technical characterictic in each embodiment of the present invention just can as long as do not form to conflict each otherMutually to combine.
Embodiment 1
As shown in Figure 1-2, the experiment work platform that has revolution and angle regulating function concurrently in the present invention,Comprise:
One regulates the Large Gear Shaft 1 of workbench rotation and for regulating workbench 2 to do slightly to tiltWedge 3, described Large Gear Shaft 1 one end joins by axle sleeve 5 and base 4, described Large Gear Shaft 1The other end and turntable 6 hole interference fit, described base 4 is by foundation bolt 7 (not shown)s and groundFixing; Transmission is carried out by engaging, described little tooth with Large Gear Shaft 1 in one end of described pinion shaft 8The other end of wheel shaft 8 also can join with decelerator 9, the power resources that described pinion shaft 8 rotatesBe motor 10, between described Large Gear Shaft and pinion shaft, engage 360 ° of revolutions that can be converted into turntable;Described wedge 3 is placed between turntable 6 and workbench 2, and the horizontal movement of described wedge 3 (is edgeThe movement on turntable 6 surfaces) can be converted into the small angle inclination of workbench.
Described base 4 upper surfaces are evenly equipped with fixture 11, when described Large Gear Shaft drives turntable and work flatPlatform rotates to after target bit, and the fixture 11 of described base upper surface can carry out week by turntable 6 and base 4To fixing. Turntable 6 is circular, and fixture 11 can be large according to the weight of workpiece to be tested or mechanism, volumeIt is the even numbers such as four, six, eight that little grade is symmetrical arranged.
The place that wedge is placed on described turntable 6 surfaces offers rectangular recess 12, described wedge 3 and workDo platform 2 contact positions and be equipped with roller 13, moving horizontally of described wedge 3 can tightening by screw 14With loosen realization, described wedge move horizontally can be according to moment and working space need to be at wedge 3And between screw 14, set up connecting rod 15; Described workbench 2 one end are equipped with can returning for its angular adjustmentTransposase 11 6, when wedge move horizontally make workbench tilt time, revolving bed 16 can provide for its inclinationFulcrum; The both sides of described workbench are equipped with tie down screw 17, when workbench 2 arrives required inclinationAfter angle, this workbench can be undertaken by tie down screw two-way fixing.
Motor and pinion shaft are all placed in base cavity.
The above-mentioned experiment work platform that has revolution and angle regulating function concurrently, can be according to following adjustment sideMethod is adjusted:
When product or workpiece need turn round while adjusting, testing crew unclamps the circumferentially uniform of base 4 upper surfacesFixture 11, starter motor 10 drives pinion shaft 8 to turn round, and middle process decelerator 9 slows down, described inPinion shaft 8 carries out engaged transmission, one end of Large Gear Shaft 1 and turntable 6 hole mistakes with Large Gear Shaft 1Be full of cooperation, thereby drive turntable 6 circumferentially to turn round, after product or workpiece revolution put in place, test peopleMember, with spanner locking fixture 11, circumferentially fixes turntable 6, completes immediately the revolution of primary production or workpieceAdjust.
When product or workpiece need angular adjustment, testing crew unclamps workbench 2 both sides with spannerTie down screw 17, after turn screw 14, move by tightening with loosening drivening rod 15 of screw 14,Moving forward and backward of described connecting rod 15 can drive moving horizontally of wedge 3, described wedge 3 and workbench2 contact positions are equipped with roller 13, change sliding friction into rolling friction, and moving forward and backward of wedge 3 is adjustableJoint the rising and falling of workbench 2, product or workpiece reach behind required angle of inclination, and testing crew is with pullingHand tie down screw 17, both sides steady job platform 2, the angle that completes immediately primary production or workpiece is adjustedJoint.
In the present invention, the length of workbench is that 3500mm, width are 3500mm, and thickness is 16mm,The diameter 4200mm of turntable, thickness is 20mm. The adjustable workbench of horizontal movement of wedge tiltsAngle, the scope of angular adjustment need to be according to product or workpiece type approval test or example in the time of Platform DesigningThe requirement of row test is determined, after angular adjustment completes, needs to ensure that product or workpiece are in process of the testBe fixed well, stressed steadily. Both the whole of wedge can have been held for the rectangular recess that holds wedgeVolume (now workbench does not tilt), also can hold the partial volume of wedge.
In the present invention, workbench can bearing load≤7t, the product of the radius of gyration≤3200mm or workpiece(be especially applicable to the situation that self-weight of object to be tested is not less than 0.5t, now in the present invention, work flatPlatform is the work of large load for a long time, can meet again the General Requirements of degree of regulation), and tie at steelIn the maximum stress range of strain of structure, can stand for a long time that type approval test or routine test bringFrequent impact, vibration.
In the present invention, having revolution concurrently can be object to be tested with the experiment work platform of angle regulating functionRotation control, angle inclination control are provided, can be to product or work on same experiment work platformCarry out the test of many kinds of parameters, avoided the transfer of object to be tested in process of the test and reorientated.
Those skilled in the art will readily understand, the foregoing is only preferred embodiment of the present invention,Not in order to limit the present invention, all any amendments of doing within the spirit and principles in the present invention, etc.With replacement and improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. an experiment work platform that has revolution and angle regulating function concurrently, is characterized in that, comprisesMotor (10), workbench (2), turntable (6) and base (4), wherein,
Described workbench (2) is connected with described turntable (6), and is positioned at the top of this turntable (6),Be used for placing object to be tested;
Described turntable (6) is positioned at the top of described base (4), and this turntable (6) is circular, at thisOn the upper surface of base (4), arrange porosely, main gear shaft (1) is by this hole and described turntable (6)Be connected; Described main gear shaft (1) is also connected with described motor (10), in this motor (10)Driving under drive described turntable (6) revolution;
Between described workbench (2) and described turntable (6), be provided with wedge (3), this wedge(3) for moving along the surface of described turntable (6), make described workbench (2) run-off the straight,And regulate the angle of inclination of this workbench (2).
2. have as claimed in claim 1 the experiment work platform of revolution and angle regulating function concurrently, its spyLevy and be, described turntable offers rectangular recess on (6), and this rectangular recess is used for holding described wedge(3)。
3. have as claimed in claim 1 the experiment work platform of revolution and angle regulating function concurrently, its spyLevy and be, between described workbench (2) and described turntable (6), be connected by revolving bed (16),Stiff end when this revolving bed (16) tilts as described workbench (2).
4. have as claimed in claim 1 the experiment work platform of revolution and angle regulating function concurrently, its spyLevy and be, on described turntable (6), there is tie down screw (17), for locking described workbench (2),Described workbench (2) and both position relationships of this turntable (6) are remained unchanged.
5. have as claimed in claim 1 the experiment work platform of revolution and angle regulating function concurrently, its spyLevy and be, on the upper surface of described base (4), be also provided with fixture (11), described in locking, turnPlatform (6), remains unchanged this turntable (6) and both position relationships of described base (4).
6. have as claimed in claim 1 the experiment work platform of revolution and angle regulating function concurrently, its spyLevy and be, described main gear shaft (1) joins by axle sleeve (5) and described base (4).
7. have as claimed in claim 1 the experiment work platform of revolution and angle regulating function concurrently, its spyLevy and be, described wedge (3) is connected with screw (14), and this screw is used for locking described wedge, keeps awayExempt from the movement of this wedge; Preferably, between described wedge (3) and described screw (14), pass through connecting rod(15) be connected.
8. have as claimed in claim 1 the experiment work platform of revolution and angle regulating function concurrently, its spyLevy and be, between described wedge (3) and described workbench (2), be also provided with roller (13),Be convenient to the movement of this wedge (3).
9. have as claimed in claim 1 the experiment work platform of revolution and angle regulating function concurrently, its spyLevy and be, described motor (10) is also connected with decelerator (9).
10. have as claimed in claim 1 the experiment work platform of revolution and angle regulating function concurrently, itsBe characterised in that, it is upper that described turntable (6) is enclosed within described main gear shaft (1), and this turntable (6) is main with thisBetween gear shaft (1), it is interference fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610121258.6A CN105583793B (en) | 2016-03-03 | 2016-03-03 | It is a kind of to have revolution and the experiment work platform of angle regulating function concurrently |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610121258.6A CN105583793B (en) | 2016-03-03 | 2016-03-03 | It is a kind of to have revolution and the experiment work platform of angle regulating function concurrently |
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| Publication Number | Publication Date |
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| CN105583793A true CN105583793A (en) | 2016-05-18 |
| CN105583793B CN105583793B (en) | 2017-07-18 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108461889A (en) * | 2018-02-05 | 2018-08-28 | 国网河南省电力公司电力科学研究院 | A kind of fault location antenna leveling slewing equipment |
| CN111874535A (en) * | 2020-08-11 | 2020-11-03 | 大连华锐重工国际贸易有限公司 | Tail turntable device of displacement belt conveyor |
| CN112303122A (en) * | 2020-10-14 | 2021-02-02 | 中国建筑股份有限公司 | Micro-friction static pressure disc for test system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5887406A (en) * | 1997-05-07 | 1999-03-30 | Bond; William R. | Article support and tray for a pitched roof |
| CN101890646A (en) * | 2010-06-12 | 2010-11-24 | 四川成飞集成科技股份有限公司 | Multi-stage angle-variable machining tool |
| CN202264089U (en) * | 2011-08-25 | 2012-06-06 | 沈阳飞机工业（集团）有限公司 | Angle tool for three-coordinate numerical control machine tool |
| CN203495575U (en) * | 2013-10-09 | 2014-03-26 | 苏州凯富精密模具有限公司 | Rotary machining angle table for self-made die tapered wedge |
| CN203726460U (en) * | 2013-12-31 | 2014-07-23 | 苏州凯蒂亚半导体制造设备有限公司 | Multi-station turntable device |
| CN205394468U (en) * | 2016-03-03 | 2016-07-27 | 华中科技大学 | Have experimental work platform of gyration and angle modulation function concurrently |
-
2016
- 2016-03-03 CN CN201610121258.6A patent/CN105583793B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5887406A (en) * | 1997-05-07 | 1999-03-30 | Bond; William R. | Article support and tray for a pitched roof |
| CN101890646A (en) * | 2010-06-12 | 2010-11-24 | 四川成飞集成科技股份有限公司 | Multi-stage angle-variable machining tool |
| CN202264089U (en) * | 2011-08-25 | 2012-06-06 | 沈阳飞机工业（集团）有限公司 | Angle tool for three-coordinate numerical control machine tool |
| CN203495575U (en) * | 2013-10-09 | 2014-03-26 | 苏州凯富精密模具有限公司 | Rotary machining angle table for self-made die tapered wedge |
| CN203726460U (en) * | 2013-12-31 | 2014-07-23 | 苏州凯蒂亚半导体制造设备有限公司 | Multi-station turntable device |
| CN205394468U (en) * | 2016-03-03 | 2016-07-27 | 华中科技大学 | Have experimental work platform of gyration and angle modulation function concurrently |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108461889A (en) * | 2018-02-05 | 2018-08-28 | 国网河南省电力公司电力科学研究院 | A kind of fault location antenna leveling slewing equipment |
| CN111874535A (en) * | 2020-08-11 | 2020-11-03 | 大连华锐重工国际贸易有限公司 | Tail turntable device of displacement belt conveyor |
| CN111874535B (en) * | 2020-08-11 | 2023-08-01 | 大连华锐国际工程有限公司 | Tail turntable device of displacement belt conveyor |
| CN112303122A (en) * | 2020-10-14 | 2021-02-02 | 中国建筑股份有限公司 | Micro-friction static pressure disc for test system |
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| Publication number | Publication date |
|---|---|
| CN105583793B (en) | 2017-07-18 |
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