CN203037445U - Movable workbench - Google Patents
Movable workbench Download PDFInfo
- Publication number
- CN203037445U CN203037445U CN 201220717843 CN201220717843U CN203037445U CN 203037445 U CN203037445 U CN 203037445U CN 201220717843 CN201220717843 CN 201220717843 CN 201220717843 U CN201220717843 U CN 201220717843U CN 203037445 U CN203037445 U CN 203037445U
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- China
- Prior art keywords
- slide
- objective table
- bar
- travelling table
- platform assembly
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Abstract
The utility model relates to a movable workbench and discloses the movable workbench which detects the resolution of electronic typoscopes. The movable workbench comprises a sliding bench component and a detection bench component. The sliding bench component comprises a first stage, and is used for placing resolution boards and driving the first stage to carry out linear motion. The detection platform component comprises a horizontal adjusting mechanism, a longitudinal adjusting mechanism and a vertical adjusting mechanism, wherein the horizontal adjusting mechanism, the longitudinal adjusting mechanism and the vertical adjusting mechanism are respectively used for adjusting the length, the width and the height of a second stage. Electronic typoscopes of different types are placed on the second stage, and the images, which are displayed on the electronic typoscopes, of the resolution boards are in the minimum magnification. The stability of the placement of the electronic typoscopes and the accuracy and the scientificalness of the detection results are ensured in the detection process of the resolution of the electronic typoscopes.
Description
Technical field
The utility model relates to a kind of travelling table, particularly relates to a kind of travelling table of detected electrons typoscope resolution.
Background technology
Electronic viewing aid is a kind of by the electronic imaging method, for the device of low eyesight person's use.According to GB/T26339-2010 " ophthalmic optics equipment electronic viewing aid " 5.2.4 bar requirement, under minimum enlargement factor, when the relative velocity between electronic viewing aid and the object is not less than 20mm/s, should reach resolution requirement.When detecting, resolving power test target need be placed on the objective table and do linear uniform motion with the speed that is not less than 20mm/s, and electronic viewing aid also needs to be fixed on apart from resolving power test target top certain distance, could under the minimum enlargement factor of electronic viewing aid, observe its resolution, and still not have the travelling table that is specifically designed to detected electrons typoscope resolution at present.
The utility model content
(1) technical matters that will solve
The technical problems to be solved in the utility model provides a kind of travelling table of detected electrons typoscope resolution, to guarantee accuracy and the science of testing result.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of travelling table, comprises sliding platform assembly and detection platform assembly; Described sliding platform assembly comprises base and is arranged on guide rail on the described base, slidably is provided with first objective table on the described guide rail; Described detection platform assembly comprises second objective table, a plurality of bracing frame, lateral adjustment, vertical governor motion and vertically modulating mechanism, and described second objective table is arranged on described a plurality of bracing frame.
Aforesaid travelling table, preferably, support frame as described above is leading screw, is distributed in respectively on the relative dual-side of described guide rail;
Described vertically modulating mechanism comprises two fixed bars, and each described fixed bar is connected with a joggle by gear with being positioned at a plurality of bracing frames of described guide rail with side respectively, and the gear set by symmetry is connected with a joggle between described two fixed bars; Described second objective table is arranged on described two fixed bars.
Aforesaid travelling table, preferably, an end of one of them described fixed bar is provided with handwheel.
Aforesaid travelling table, preferably, described lateral adjustment is for slidably being arranged on a plurality of slide bars on described two fixed bars, and described slide bar can slide along the length direction of described fixed bar.
Aforesaid travelling table, preferably, an end of described slide bar is provided with first tight lock part, is used for the described slide bar of locking, the slip of spacing described slide bar on described fixed bar.
Aforesaid travelling table, preferably, described first tight lock part is lock screw.
Aforesaid travelling table, preferably, described vertical governor motion is for slidably being arranged on a plurality of slide plates on described a plurality of slide bar, and described slide plate can slide along the length direction of described slide bar.
Aforesaid travelling table, preferably, described second objective table is made up of described a plurality of slide bars and described a plurality of slide plate.
Aforesaid travelling table, preferably, an end of described slide plate is provided with second tight lock part, is used for the described slide plate of locking, the slip of spacing described slide plate on described slide bar.
(3) beneficial effect
The travelling table of detected electrons typoscope resolution provided by the utility model comprises sliding platform assembly and detection platform assembly, and the sliding platform assembly comprises first objective table, is used for placing resolving power test target, and drives the first objective table moving linearly; The detection platform assembly comprises lateral adjustment, vertical governor motion and vertically modulating mechanism, be used for regulating respectively length, width and the height of second objective table, to place dissimilar electronic viewing aids at second objective table, and make the image of the resolving power test target that shows on the electronic viewing aid be in its minimum enlargement factor, the stability that electronic viewing aid is placed and accuracy and the science of testing result have been guaranteed in the testing process of electronic viewing aid resolution.
Description of drawings
Fig. 1 is the structural representation of sliding platform assembly among the utility model embodiment;
Fig. 2 is the structural representation of detection platform assembly among the utility model embodiment;
Fig. 3 is the vertical view of Fig. 2;
Wherein, 100: the sliding platform assembly; 101: the detection platform assembly; 1: base; 2: guide rail; 3: screw rod; 4: motor; 5: the first objective tables; 6: the standard thread hole; 7: bracing frame; 8: fixed bar; 9: slide bar; 10: slide plate; 11: handwheel; 12: symmetrical gear set; 13: the second objective tables; 14: gear; 15: lateral adjustment; 16: vertical governor motion; 17: vertically modulating mechanism; 18: the first tight lock parts; 19: the second tight lock parts.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples are used for explanation the utility model, but are not used for limiting scope of the present utility model.
Figure 1 shows that the structural representation of sliding platform assembly among the utility model embodiment; Figure 2 shows that the structural representation of detection platform assembly among the utility model embodiment.In conjunction with Fig. 1, Fig. 2 and shown in Figure 3, travelling table for detection of electronic viewing aid resolution among the utility model embodiment comprises sliding platform assembly 100 and detection platform assembly 101, wherein, sliding platform assembly 100 is used for placing resolving power test target, and realizes the relative motion of resolving power test target and electronic viewing aid; Detection platform assembly 101 is used for placing electronic viewing aid, keeps the relative height of electronic viewing aid and resolving power test target, makes the image of the resolving power test target of electronic viewing aid demonstration be in its minimum enlargement factor.
For realizing above-mentioned functions, sliding platform assembly 100 of the present utility model comprises base 1 and is arranged on guide rail 2 on the base 1, slidably be provided with first objective table 5 on the guide rail 2, preferred first objective table 5 is planar structure, be distributed with a plurality of standard threads hole 6 on it, so that the resolving power test target of different size specification is installed; Detection platform assembly 101 comprises second objective table 13, a plurality of bracing frames 7, lateral adjustment 15, vertical governor motion 16 and vertically modulating mechanism 17, wherein, second objective table 13 is arranged on a plurality of bracing frames 7, the length that lateral adjustment 15 is used for regulating second objective table 13, vertically governor motion 16 is used for regulating the width of second objective table 13, to place the electronic viewing aid of different model, and vertically modulating mechanism 17 is used for regulating the height of second objective table, 13 relative first objective tables 5, makes the image of the resolving power test target of electronic viewing aid demonstration be in its minimum enlargement factor.
Can pass through a power source (as: motor 4) in the present embodiment and drive first objective table 5 moving linearly on guide rail 2, to realize the relative motion of resolving power test target and electronic viewing aid.Also can drive second objective table, 13 moving linearlies by a power source, to realize the relative motion of resolving power test target and electronic viewing aid.
Those skilled in the art are easy to expect that sliding platform assembly 100 can be positioned at detection platform assembly 101 tops, also can be positioned at detection platform assembly 101 belows, and it all belongs to protection domain of the present utility model.
Wherein, the implementation of vertically modulating mechanism 17 has a variety of, the implementation in the present embodiment can for: bracing frame 7 is leading screw, is distributed in respectively on the relative dual-side of guide rail 2.Accordingly, vertically modulating mechanism 17 comprises two fixed bars 8, and second objective table 13 is arranged on two fixed bars 8.Each fixed bar 8 respectively be positioned at a plurality of bracing frames 7 of guide rail 2 with side and be connected with a joggle by gear 14, the synchronous rotation of gear 14 can realize that fixed bar 8 moves and moves down on bracing frame 7, thereby regulates the height of second objective table, 13 relative first objective tables 5.Further, the rotating speed that also needs to satisfy gear 14 is identical, with the stability that guarantees that electronic viewing aid is placed.For synchronous rotation and the rotating speed of realizing gear 14 identical, be connected with a joggle by symmetrical gear set 12 between preferred two fixed bars 8 in the present embodiment, the rotation of symmetry gear set 12 can drive that fixed bar 8 rotates synchronously and rotating speed is identical, thereby synchronous rotation and the rotating speed of driven gear 14 are identical, realize that fixed bar 8 moves and moves down on bracing frame 7.The regulative mode of employing gear structure can be so that the height of second objective table 13 be regulated more steady.In the present embodiment therein an end of a fixed bar 8 handwheel 11 is set, be used for to drive the rotation of symmetrical gear set 12.
Correspondingly, lateral adjustment 15 can be for slidably being arranged on a plurality of slide bars 9 on two fixed bars 8, and slide bar 9 can slide along the length direction of fixed bar 8; Further, vertically governor motion 15 can be for slidably being arranged on a plurality of slide plates 10 on a plurality of slide bars 9, and slide plate 10 can slide along the length direction of slide bar 9.
Preferred second objective table 13 is made up of a plurality of slide bars 9 and a plurality of slide plate 10, generally is made up of two slide bars 9 and a plurality of slide plate 10, can satisfy the stability of support.And an end of an end of slide bar 9 and slide plate 10 arrange respectively the first tight lock part 18(as: lock screw) and the second tight lock part 19(as: lock screw), first tight lock part 18 is used for locking slide bar 9, the slip of spacing slide bar 9 on fixed bar 10 keeps the length of second objective table 13 constant; Second tight lock part 19 is used for locking slide plate 10, and the slip of spacing slide plate 10 on slide bar 9 keeps the width of second objective table 13 constant.Thereby do not need to arrange independent platform mechanism, can either the stable support electronic viewing aid, can be easy to realize the adjusting of second objective table, 13 length and width again, guaranteed stability that the different model electronic viewing aid is placed, simplified the structure of equipment.
Correspondingly, can lock slide plate 10 in the present embodiment, drive slide bar 9 moving linearly on fixed bar 8 by the power source (not shown), to realize the relative motion of resolving power test target and electronic viewing aid.
In the present embodiment the concrete course of work of travelling table can for:
Motor 4 one ends of first objective table 5 to guide rail 2 reset;
Resolving power test target is fixed on first objective table 5 by standard thread hole 6, make second objective table of being formed by slide bar 9 and slide plate 10 13 be positioned at first objective table, 5 tops by mobile slide bar 9 then, make electronic viewing aid to stablize by mobile slide bar 9 and slide plate 10 again and be placed on second objective table 13;
Rotate handwheel 11, regulate the height of second objective table, 13 relative first objective tables 5, make the image of the resolving power test target of electronic viewing aid demonstration be in its minimum enlargement factor;
Drive first objective table 5 moving linearly on guide rail 2 by motor 4.
Motor 4 in the present embodiment can drive first objective table 5 moving linearly on guide rail 2 by screw rod 3, is convenient to realize less movement velocity (as: 20mm/s), and motion steadily.
As can be seen from the above embodiments, the travelling table of detected electrons typoscope resolution provided by the utility model comprises sliding platform assembly and detection platform assembly, the sliding platform assembly comprises first objective table, is used for placing resolving power test target, and drives the first objective table moving linearly; The detection platform assembly comprises lateral adjustment, vertical governor motion and vertically modulating mechanism, be used for regulating respectively length, width and the height of second objective table, to place dissimilar electronic viewing aids at second objective table, and make the image of the resolving power test target that shows on the electronic viewing aid be in its minimum enlargement factor, the stability that electronic viewing aid is placed and accuracy and the science of testing result have been guaranteed in the testing process of electronic viewing aid resolution.
The above only is preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model know-why; can also make some improvement and replacement, these improvement and replacement also should be considered as protection domain of the present utility model.
Claims (9)
1. a travelling table is characterized in that, comprises sliding platform assembly and detection platform assembly; Described sliding platform assembly comprises base and is arranged on guide rail on the described base, slidably is provided with first objective table on the described guide rail; Described detection platform assembly comprises second objective table, a plurality of bracing frame, lateral adjustment, vertical governor motion and vertically modulating mechanism, and described second objective table is arranged on described a plurality of bracing frame.
2. travelling table according to claim 1 is characterized in that, support frame as described above is leading screw, is distributed in respectively on the relative dual-side of described guide rail;
Described vertically modulating mechanism comprises two fixed bars, and each described fixed bar is connected with a joggle by gear with being positioned at a plurality of bracing frames of described guide rail with side respectively, and is connected with a joggle by symmetrical gear set between described two fixed bars; Described second objective table is arranged on described two fixed bars.
3. travelling table according to claim 2 is characterized in that, an end of one of them described fixed bar is provided with handwheel.
4. travelling table according to claim 2 is characterized in that, described lateral adjustment is for slidably being arranged on a plurality of slide bars on described two fixed bars, and described slide bar can slide along the length direction of described fixed bar.
5. travelling table according to claim 4 is characterized in that, an end of described slide bar is provided with first tight lock part, is used for the described slide bar of locking, the slip of spacing described slide bar on described fixed bar.
6. travelling table according to claim 4 is characterized in that, described vertical governor motion is for slidably being arranged on a plurality of slide plates on described a plurality of slide bar, and described slide plate can slide along the length direction of described slide bar.
7. travelling table according to claim 6 is characterized in that, described second objective table is made up of described a plurality of slide bars and described a plurality of slide plate.
8. travelling table according to claim 6 is characterized in that, an end of described slide plate is provided with second tight lock part, is used for the described slide plate of locking, the slip of spacing described slide plate on described slide bar.
9. according to the arbitrary described travelling table of claim 1-8, it is characterized in that described first objective table is planar structure, be distributed with a plurality of standard threads hole on it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220717843 CN203037445U (en) | 2012-12-21 | 2012-12-21 | Movable workbench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220717843 CN203037445U (en) | 2012-12-21 | 2012-12-21 | Movable workbench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203037445U true CN203037445U (en) | 2013-07-03 |
Family
ID=48689556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220717843 Expired - Fee Related CN203037445U (en) | 2012-12-21 | 2012-12-21 | Movable workbench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203037445U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103950753A (en) * | 2014-05-08 | 2014-07-30 | 肖叶 | Sliding type paper sample objective table |
| CN104986590A (en) * | 2015-06-01 | 2015-10-21 | 李跃东 | Printing paper sliding rack |
| CN105390164A (en) * | 2015-12-02 | 2016-03-09 | 上海核工程研究设计院 | Adjustable right-angle console |
| CN105403401A (en) * | 2015-11-04 | 2016-03-16 | 合肥海源机械有限公司 | Drive axle running-in test bed |
| CN106183385A (en) * | 2016-07-05 | 2016-12-07 | 宿州市航宇塑胶贸易有限公司 | A kind of manual moving platform |
-
2012
- 2012-12-21 CN CN 201220717843 patent/CN203037445U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103950753A (en) * | 2014-05-08 | 2014-07-30 | 肖叶 | Sliding type paper sample objective table |
| CN104986590A (en) * | 2015-06-01 | 2015-10-21 | 李跃东 | Printing paper sliding rack |
| CN105403401A (en) * | 2015-11-04 | 2016-03-16 | 合肥海源机械有限公司 | Drive axle running-in test bed |
| CN105390164A (en) * | 2015-12-02 | 2016-03-09 | 上海核工程研究设计院 | Adjustable right-angle console |
| CN106183385A (en) * | 2016-07-05 | 2016-12-07 | 宿州市航宇塑胶贸易有限公司 | A kind of manual moving platform |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130703 Termination date: 20131221 |