CN211552793U - Measuring device and annular revolving stage - Google Patents
Measuring device and annular revolving stage Download PDFInfo
- Publication number
- CN211552793U CN211552793U CN201922289217.XU CN201922289217U CN211552793U CN 211552793 U CN211552793 U CN 211552793U CN 201922289217 U CN201922289217 U CN 201922289217U CN 211552793 U CN211552793 U CN 211552793U
- Authority
- CN
- China
- Prior art keywords
- connecting plate
- chain
- assembly
- annular
- revolving stage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a measuring device and annular revolving stage relates to stage equipment and measures technical field, and this measuring device includes: a bracket, a chain assembly and a sprocket assembly. The support is fixedly arranged; the chain assembly comprises a chain for fixing along the outside of the annular revolving stage. The chain wheel assembly is arranged on the support and comprises a chain wheel and an encoder, the chain wheel is meshed with the chain, and the encoder is fixedly connected with the chain wheel in a coaxial line and used for measuring the angular displacement of the chain wheel. The utility model discloses a measuring device and annular revolving stage through chain and sprocket, turns into the rotation of sprocket with annular revolving stage's rotation to measure the angle displacement of sprocket through the encoder, adopt indirect mode to measure annular revolving stage's angle displacement, simple structure, convenient to use.
Description
Technical Field
The utility model relates to a stage equipment measures technical field, concretely relates to measuring device and annular revolving stage.
Background
The circular revolving stage in the non-standard stage plant generally comprises an inner circular revolving stage and an outer annular revolving stage. The inner ring circular revolving stage has the same structure as other circular revolving stages, the revolving function is realized through the revolving support shaft, when the angular displacement of the inner ring circular revolving stage is measured, only the encoder is connected with the revolving support shaft, and the angular displacement of the encoder is the angular displacement of the inner ring circular revolving stage.
For the outer ring annular revolving stage, the inner diameter is large, and if the revolving support shaft is used for realizing the revolving function, the revolving support shaft has large inner diameter and heavy weight, and is not suitable for practical field application. Therefore, how to measure the angular displacement of the outer ring annular revolving stage becomes a technical problem to be solved urgently.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a measuring device and an annular revolving stage, which are used for solving the problem that the angular displacement of the annular revolving stage in the prior art is difficult to measure,
in order to achieve the above purpose, the utility model adopts the technical proposal that: a measuring device for measuring the angular displacement of an annular revolving stage, comprising:
a support fixedly arranged;
a chain assembly comprising a chain for securing along an outside of the endless revolving stage;
the chain wheel assembly is arranged on the support and comprises a chain wheel and an encoder, the chain wheel is meshed with the chain, and the encoder is fixedly connected with the chain wheel in a coaxial line and is used for measuring the angular displacement of the chain wheel.
On the basis of the technical scheme, the chain assembly further comprises:
and the upper end of the annular plate is used for being fixed on the inner side of the annular revolving stage, and the chain is fixed on the outer side of the lower end of the annular plate.
On the basis of the technical scheme, the chain wheel assembly is movably connected with the support, and comprises:
the rotating arm assembly is hinged with the support;
the first fixing assembly is detachably connected with the rotating arm assembly, a first rotating shaft is arranged on the first fixing assembly, one end of the first rotating shaft is movably connected with the chain wheel, and the other end of the first rotating shaft is fixedly connected with the encoder;
the second fixing component is detachably connected with the rotating arm component and is arranged side by side with the first fixing component, a second rotating shaft is arranged on the second fixing component, one end of the second rotating shaft is connected with a limiting wheel, and the limiting wheel abuts against the annular plate to enable the chain wheel to be meshed with the chain.
On the basis of the technical scheme, the connecting end of the first rotating shaft and the chain wheel is a spline shaft, and the chain wheel can slide along the spline shaft.
On the basis of the technical scheme, first bearings are arranged between the first rotating shaft and the first fixing component and between the second rotating shaft and the second fixing component.
On the basis of the technical scheme, the first fixing assembly and the second fixing assembly respectively comprise a first connecting plate, a second connecting plate and a third connecting plate, the first connecting plate is detachably connected with the rotating arm assembly, the second connecting plate and the third connecting plate are arranged side by side and fixed with the first connecting plate, and the second connecting plate and the third connecting plate clamp the first bearing.
On the basis of the technical scheme, the rotating arm assembly comprises a fourth connecting plate, a fifth connecting plate and a sixth connecting plate, the fourth connecting plate is used for being connected with the first connecting plate, the fifth connecting plate and the sixth connecting plate are arranged side by side and fixed with the fourth connecting plate, and the fifth connecting plate and the sixth connecting plate are hinged to the support.
On the basis of the technical scheme, the support comprises a seat plate and a rotary drum, one end of the rotary drum is fixed with the seat plate, a reinforcing rib is connected between the seat plate and the rotary drum, a third rotating shaft is arranged on the rotary drum, a second bearing is arranged between a fifth connecting plate and a sixth connecting plate and between the third rotating shaft, and the fifth connecting plate and the sixth connecting plate clamp the second bearing.
On the basis of the technical scheme, the annular plate is formed by splicing a plurality of annular plate segments.
An object of the utility model is to provide an annular revolving stage still, including foretell measuring device.
The utility model has the advantages that:
the utility model discloses a measuring device and annular revolving stage through chain and sprocket, turns into the rotation of sprocket with annular revolving stage's rotation to measure the angle displacement of sprocket through the encoder, adopt indirect mode to measure annular revolving stage's angle displacement, solve among the prior art annular revolving stage's angle displacement and be difficult to the measuring problem, simple structure, convenient to use.
Drawings
Fig. 1 is a schematic structural diagram of a measuring device in an embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of a measuring device according to an embodiment of the present invention;
fig. 3 is another schematic structural diagram of a measuring device according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a measuring device in an embodiment of the present invention;
in the figure: 1. a support; 11. a seat plate; 12. a rotating drum; 13. reinforcing ribs; 14. a third rotating shaft; 15. a second bearing; 2. a chain assembly; 21. a chain; 22. an annular plate; 3. a sprocket assembly; 31. a sprocket; 32. an encoder; 33. a boom assembly; 331. a fourth connecting plate; 332. a fifth connecting plate; 333. a sixth connecting plate; 34. a first fixed component; 341. a first connecting plate; 342. a second connecting plate; 343. a third connecting plate; 35. a second fixed component; 36. a first rotating shaft; 361. a spline shaft; 37. a second rotating shaft; 38. a limiting wheel; 39. a first bearing.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Referring to fig. 1, an embodiment of the present invention provides a measuring device for measuring an angular displacement of an annular revolving stage, including: a support 1, a chain assembly 2 and a sprocket assembly 3.
Referring to fig. 2, the support 1 is fixedly arranged, and the chain assembly 2 comprises a chain 21, and the chain 21 is used for being fixed along the outer side of the annular revolving stage. Specifically, the measuring device of the embodiment of the present invention further includes an annular plate 22, the upper end of which is used for being fixed inside the annular revolving stage, and the chain 21 is fixed outside the lower end of the annular plate 22. Preferably, the annular plate 22 is formed by splicing together a plurality of annular plate segments.
Referring to fig. 2, the sprocket assembly 3 is disposed on the support 1 and includes a sprocket 31 and an encoder 32, the sprocket 31 is engaged with the chain 21, and the encoder 32 is coaxially and fixedly connected with the sprocket 31 and is used for measuring the angular displacement of the sprocket 31.
The utility model discloses measuring device, its theory of operation is:
the chain 21 is fixed along the outer side of the annular revolving stage, the chain wheel 31 is meshed with the chain 21, and the encoder 32 is fixedly connected with the chain wheel 31 coaxially. When the endless revolving stage rotates, the driving sprocket 31 rotates, and the encoder 32 rotates coaxially with the sprocket 31. Assuming that the encoder 32 can measure the angular displacement of the sprocket 31 as θ, the rotation radius of the endless revolving stage as R, and the rotation radius of the sprocket 31 as R, the angular displacement of the endless revolving stage is θ x R/R.
The utility model discloses measuring device through chain 21 and sprocket 31, turns into the rotation of sprocket 31 with annular revolving stage's rotation to measure the angle displacement of sprocket 31 through encoder 32, adopt the angle displacement of this kind of indirect mode measurement annular revolving stage, solve annular revolving stage among the prior art, the angle displacement is difficult to the measuring problem, the utility model discloses a measuring device simple structure, convenient to use.
As a preferred embodiment, referring to fig. 3, the sprocket assembly 3 is movably connected to the carrier 1, and the sprocket assembly 3 includes: a swivel arm assembly 33, a first fixing assembly 34 and a second fixing assembly 35.
The swivel arm assembly 33 is hinged with the support 1. Specifically, the swivel arm assembly 33 includes a fourth connecting plate 331, a fifth connecting plate 332 and a sixth connecting plate 333, the fourth connecting plate 331 is configured to be connected to the first connecting plate 341, the fifth connecting plate 332 and the sixth connecting plate 333 are arranged side by side and fixed to the fourth connecting plate 331, and the fifth connecting plate 332 and the sixth connecting plate 333 are hinged to the bracket 1. The support 1 comprises a seat plate 11 and a rotary drum 12, one end of the rotary drum 12 is fixed with the seat plate 11, a reinforcing rib 13 is connected between the seat plate 11 and the rotary drum 12, a third rotary shaft 14 is arranged on the rotary drum 12, a second bearing 15 is arranged between a fifth connecting plate 332 and a sixth connecting plate 333, and the third rotary shaft 14, wherein the fifth connecting plate 332 and the sixth connecting plate 333 clamp the second bearing 15.
The first fixing component 34 is detachably connected with the rotating arm component 33, a first rotating shaft 36 is arranged on the first fixing component 34, one end of the first rotating shaft 36 is movably connected with the chain wheel 31, and the other end of the first rotating shaft is fixedly connected with the encoder 32.
The second fixing component 35 is detachably connected with the rotating arm component 33 and is arranged side by side with the first fixing component 34, a second rotating shaft 37 is arranged on the second fixing component 35, and one end of the second rotating shaft 37 is connected with a limiting wheel 38. The limiting wheel 38 abuts against the annular plate 22 to engage the sprocket 31 with the chain 21. The limiting wheel 38 and the sprocket 31 sandwich the chain 21 so that the sprocket 31 is tightly engaged with the chain 21. First bearings 39 are arranged between the first rotating shaft 36 and the first fixing component 34 and between the second rotating shaft 37 and the second fixing component 35.
The first and second fixed units 34 and 35 each include a first connecting plate 341, a second connecting plate 342, and a third connecting plate 343, the first connecting plate 341 being detachably connected to the boom assembly 33, the second and third connecting plates 342 and 343 being arranged side by side and fixed to the first connecting plate 341, the second and third connecting plates 342 and 343 clamping the first bearing 39.
Referring to fig. 4, when the annular revolving stage rotates, due to manufacturing errors, the annular revolving stage radially displaces, the chain 21 generates a force on the limiting wheel 38 and the chain wheel 31 to move in the radial direction, at this time, the limiting wheel 38 and the chain wheel 31 transmit the force to the rotating arm assembly 33, the rotating arm assembly 33 rotates around the support 1, and the chain wheel 31 can follow the displacement along with the radial displacement of the annular revolving stage, so that the smoothness of the rotation of the chain wheel 31 is not affected, the normal data recording of an encoder is not affected, and the measurement accuracy is improved.
In a preferred embodiment, the connection end of the first shaft 36 and the sprocket 31 is a spline shaft 361, and the sprocket can slide along the spline shaft 361. When the annular revolving stage is rotatory, the fluctuation of direction about can taking place, the relative slip between the integral key shaft 361 and the sprocket of design here can guarantee that the chain is undulant from top to bottom, drives the sprocket and slides from top to bottom along integral key shaft 361, just must take place the jamming between sprocket and the chain to guarantee not to influence sprocket 31 pivoted smooth and easy degree, do not influence the normal record data of encoder, improve measurement accuracy.
Referring to fig. 2, the embodiment of the present invention further provides an annular revolving stage, including the above-mentioned measuring device, through chain 21 and sprocket 31, turn into the rotation of sprocket 31 with the rotation of annular revolving stage to measure the angular displacement of sprocket 31 through encoder 32, adopt the angular displacement of this kind of indirect mode measurement annular revolving stage, solve annular revolving stage among the prior art, the angular displacement is difficult to the measuring problem.
The present invention is not limited to the above preferred embodiments, and any person can obtain other products in various forms without departing from the scope of the present invention, but any change in shape or structure is within the scope of protection.
Claims (10)
1. A measuring device for measuring the angular displacement of an annular revolving stage, comprising:
a support (1) fixedly arranged;
a chain assembly (2) comprising a chain (21), said chain (21) being intended to be fixed along the outside of said annular revolving stage;
the chain wheel assembly (3) is arranged on the support (1) and comprises a chain wheel (31) and an encoder (32), the chain wheel (31) is meshed with the chain (21), and the encoder (32) is coaxially and fixedly connected with the chain wheel (31) and used for measuring the angular displacement of the chain wheel (31).
2. The measuring device according to claim 1, characterized in that said chain assembly (2) further comprises:
and the upper end of the annular plate (22) is used for being fixed on the inner side of the annular revolving stage, and the chain (21) is fixed on the outer side of the lower end of the annular plate (22).
3. A measuring device as claimed in claim 2, characterized in that:
sprocket assembly (3) with support (1) swing joint, sprocket assembly (3) includes:
a rotating arm assembly (33) hinged with the support (1);
the first fixing component (34) is detachably connected with the rotating arm component (33), a first rotating shaft (36) is arranged on the first fixing component (34), one end of the first rotating shaft (36) is movably connected with the chain wheel (31), and the other end of the first rotating shaft is fixedly connected with the encoder (32);
the second fixing component (35) is detachably connected with the rotating arm component (33) and is arranged side by side with the first fixing component (34), a second rotating shaft (37) is arranged on the second fixing component (35), one end of the second rotating shaft (37) is connected with a limiting wheel (38), and the limiting wheel (38) abuts against the annular plate (22) to enable the chain wheel (31) to be meshed with the chain (21).
4. A measuring device as claimed in claim 3, characterized in that:
the connecting end of the first rotating shaft (36) and the chain wheel (31) is a spline shaft (361), and the chain wheel can slide along the spline shaft (361).
5. A measuring device as claimed in claim 3, characterized in that:
first bearings (39) are arranged between the first rotating shaft (36) and the first fixing component (34) and between the second rotating shaft (37) and the second fixing component (35).
6. The measurement device of claim 5, wherein:
the first fixing assembly (34) and the second fixing assembly (35) respectively comprise a first connecting plate (341), a second connecting plate (342) and a third connecting plate (343), the first connecting plate (341) is detachably connected with the rotating arm assembly (33), the second connecting plate (342) and the third connecting plate (343) are arranged side by side and are fixed with the first connecting plate (341), and the second connecting plate (342) and the third connecting plate (343) clamp the first bearing (39).
7. The measurement device of claim 6, wherein:
the rotating arm assembly (33) comprises a fourth connecting plate (331), a fifth connecting plate (332) and a sixth connecting plate (333), the fourth connecting plate (331) is used for being connected with the first connecting plate (341), the fifth connecting plate (332) and the sixth connecting plate (333) are arranged side by side and are fixed with the fourth connecting plate (331), and the fifth connecting plate (332) and the sixth connecting plate (333) are hinged with the support (1).
8. The measurement device of claim 7, wherein:
support (1) includes bedplate (11) and rotary drum (12), rotary drum (12) one end is fixed with bedplate (11), be connected with strengthening rib (13) between bedplate (11) and rotary drum (12), be equipped with a third pivot (14) on rotary drum (12), fifth connecting plate (332) and sixth connecting plate (333) with be equipped with second bearing (15) between third pivot (14), wherein fifth connecting plate (332) and sixth connecting plate (333) centre gripping second bearing (15).
9. A measuring device as claimed in claim 2, characterized in that: the annular plate (22) is formed by splicing a plurality of annular plate segments.
10. An annular revolving stage, characterized in that it comprises a measuring device according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922289217.XU CN211552793U (en) | 2019-12-18 | 2019-12-18 | Measuring device and annular revolving stage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922289217.XU CN211552793U (en) | 2019-12-18 | 2019-12-18 | Measuring device and annular revolving stage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211552793U true CN211552793U (en) | 2020-09-22 |
Family
ID=72505417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922289217.XU Active CN211552793U (en) | 2019-12-18 | 2019-12-18 | Measuring device and annular revolving stage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211552793U (en) |
-
2019
- 2019-12-18 CN CN201922289217.XU patent/CN211552793U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102435669A (en) | Supporting roller type pipeline inner inspection device and supporting roller type pipeline inner inspection system | |
| CN108225231A (en) | For detecting the detection device of the workpiece diameter of axle and jerk value | |
| JP2010071705A (en) | Coupling centering tool | |
| CN102494662A (en) | Oil tube deformation detecting device | |
| CN211552793U (en) | Measuring device and annular revolving stage | |
| CN102519992A (en) | Steel tube X-ray detection rotating wheel lifted automatic centering device workpiece trolley | |
| CN207643177U (en) | A kind of mechanical joint structure of unilateral driving | |
| CN110926402A (en) | Measuring device and annular revolving stage | |
| CN109520687A (en) | Elastic torsion part, plane spring detection device and plane spring detection method | |
| CN203323934U (en) | High precision bearing torque checking device | |
| CN210051272U (en) | Detection tool for synchronizer inner ring production | |
| CN103537517A (en) | Torsion device for tension-torsion straightening machine | |
| CN102840848B (en) | Detection device for revolving angle of rotary table and aerial operation platform equipment | |
| CN202421092U (en) | Workpiece trolley provided with automatic centering device and used for performing X-ray detection on steel pipes hoisted by rotary wheels | |
| CN202471006U (en) | Portable coordinate measuring machine rotation joint with angle limit | |
| CN211697855U (en) | Meteorological wind speed measuring device | |
| CN114136258A (en) | Cable meter counter | |
| CN201993095U (en) | Adjustable measurement clamp for radial size of inner arc-shaped surface | |
| CN210051658U (en) | Flexible PCB board detection device | |
| CN217323100U (en) | Revolving positioning detection device of portal crane | |
| CN208313176U (en) | The numerical control measuring device of assembling angular contact ball bearing projection amount | |
| CN110774133A (en) | Pipe end groove polishing all-in-one machine | |
| CN216049865U (en) | Construction measuring device for building engineering management | |
| CN105757075B (en) | A kind of circular orientation device | |
| CN105181356B (en) | Motorcycle front-wheel brake test device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |