CN211425465U - Automatic calibration device for division value of level ruler - Google Patents
Automatic calibration device for division value of level ruler Download PDFInfo
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- CN211425465U CN211425465U CN202020458922.8U CN202020458922U CN211425465U CN 211425465 U CN211425465 U CN 211425465U CN 202020458922 U CN202020458922 U CN 202020458922U CN 211425465 U CN211425465 U CN 211425465U
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- supporting seat
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Abstract
The utility model discloses a level bar division value automatic calibration device, including supporting seat and workstation, be the fixing support at the supporting seat left end, be fixed with two bearing frames above the fixing support, the bearing frame centre is connected through the pivot, is fixed with automatic lifting mechanism at the supporting seat right-hand member, automatic lifting mechanism includes lifting extension board and sharp module, sharp module is vertical to be fixed at the supporting seat right-hand member, and the sharp module is inside to take accurate driving screw, and accurate driving screw stretches out the end and links to each other with the motor through the shaft coupling, and lifting extension board is fixed with the slider, and the slider links to each other with accurate driving screw thread, and lifting extension board moves from top to bottom along with the motor rotation; the left end of the workbench is fixed on the rotating shaft, and the right end of the workbench is placed on the lifting support plate. The utility model discloses through the quick lifting workstation of control motor to appointed height during the application, pinpoint, changed in the traditional level bar measurement process by adopting artifical hand to revolve the nut, the measurement mode of people's eye reading percentage table location simultaneously.
Description
Technical Field
The utility model relates to a measuring instrument precision calibration technical field specifically is a level bar dividing value automatic calibration device.
Background
The level bar is a measuring instrument widely used in civil engineering and mechanical equipment installation. The accuracy of the division value of the level ruler is particularly important for the accuracy of the measurement result of the level ruler. Along with social development, the quantity of tasks for calibrating and detecting the level is continuously increased, and on the basis of ensuring the calibration precision of the level, the efficiency of calibrating the level is urgently needed to be effectively improved.
The common leveling rod calibration mode is to be placed on the workstation by the level bar of school, workstation lower extreme both ends are supported with the support of taking the hand nut of screwing, the installation percentage table, make percentage table gauge head and workstation upper surface contact, rotatory hand nut of screwing observes the percentage table pointer position simultaneously, lifting table surface to appointed height, read the level bar index value, then continue rotatory hand nut, observe the change of percentage table pointer, read the next position index value of level bar, until having removed all measurement positions. The whole measuring process is long in time consumption, large in labor capacity and low in verification efficiency. Other level bar calibrating devices exist in a small amount in the current metering industry, but all have certain defects.
For example, chinese patent publication No. 209927147U discloses a manual quick calibration device for a level, which adopts a method of manually rotating a handle to drive a drive screw to lift a work table and simultaneously observe a pointer of a dial indicator, and still has the problems of low efficiency and complex operation. Chinese patent publication No. 209910682U discloses a quick automatic calibration device for a level, which adopts a motor to lift a work table, and uses a camera for reading, which has certain progress, but has a complex structure and higher cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the problem that the measuring efficiency is low, the amount of labour is big among the level bar calibration process, provide a low-cost level bar dividing value automatic calibration device, the device can be automatically with the corresponding appointed height of level bar calibration workstation lifting, the quick calibration level bar precision has reduced staff's the amount of labour, has improved examination efficiency.
The purpose of the utility model is mainly realized through the following technical scheme:
an automatic calibration device for division values of a level ruler comprises a supporting seat and a workbench, wherein a fixed support is arranged at the left end of the supporting seat, two bearing seats are fixed above the fixed support, the middles of the bearing seats are connected through a rotating shaft, an automatic lifting mechanism is fixed at the right end of the supporting seat and comprises a lifting support plate and a linear module, the linear module is vertically fixed at the right end of the supporting seat, a precise transmission lead screw is arranged inside the linear module, the extending end of the precise transmission lead screw is connected with a motor through a coupler, the lifting support plate is fixed with a sliding block, the sliding block is in threaded connection with the precise transmission lead screw, and the lifting support plate moves; the left end of the workbench is fixed on the rotating shaft, and the right end of the workbench is placed on the lifting support plate.
Preferably, the bottom end of the supporting seat is provided with a hand-turning fine adjustment knob.
Preferably, a plurality of positioning blocks are arranged on the inner side of the workbench and are uniformly distributed at intervals.
Preferably, the workbench is a cast iron platform or a marble platform.
Preferably, the workbench top is provided with a leveling bubble.
Preferably, the motor is a stepping motor or an alternating current servo motor.
To sum up, compared with the prior art, the utility model has the following beneficial effects:
(1) the utility model discloses a control motor drives the quick lifting workstation of accurate drive screw to appointed height, and accurate location has changed and has leaned on adopting artifical hand to revolve the nut in the traditional level bar measurement process, and the measurement mode of people's eye reading percentage table location has simultaneously reduced staff's the amount of labour, has improved level bar measurement of efficiency.
(2) The utility model discloses simple structure, the simple operation is fit for being used for big quick calibration of level bar in batches.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
fig. 1 is a schematic structural view of the present invention;
reference numbers and corresponding part names in the drawings:
1-a supporting seat, 2-a workbench, 3-an automatic lifting mechanism, 11-a fixed support, 12-a bearing seat, 13-a rotating shaft, 14-a hand-turning fine adjustment knob, 201-a leaning block, 202-a level bubble, 31-a lifting support plate, 32-a linear module, 301-a precision transmission screw rod, 302-a coupler, 303-a motor and 304-a sliding block.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
Example 1:
as shown in fig. 1, an automatic calibration device for division values of a level ruler comprises a supporting seat 1 and a workbench 2, wherein a fixed support 11 is fixed at the left end of the supporting seat 1, two bearing seats 12 are fixed above the fixed support 11, the bearing seats 12 are connected with each other by a rotating shaft 13, an automatic lifting mechanism 3 is fixed at the right end of the supporting seat 1, the automatic lifting mechanism 3 comprises a lifting support plate 31 and a linear module 32, the linear module 32 is vertically fixed at the right end of the supporting seat 1, a precise transmission screw 301 is arranged in the linear module 32, the extending end of the precise transmission screw 301 is connected with a motor 303 by a coupler 302, the lifting support plate 31 is fixed with a sliding block 304, the sliding block 304 is in threaded connection with the precise transmission screw 301, and the lifting support plate; the left end of the workbench 2 is fixed on the rotating shaft 13, and the right end of the workbench 2 is placed on the lifting support plate 31.
In order to enable the level to be detected to be placed on the workbench 2 and to be parallel to the horizontal direction, a plurality of leaning blocks are fixedly and uniformly distributed on the inner side of the workbench.
When the utility model is used, the bottom hand-rotating fine adjustment knob 14 is firstly adjusted, the air level 202 is simultaneously observed, the workbench 2 is adjusted to be in a horizontal position, the tested level is placed on the workbench 2 by abutting against the leaning block 201, the control motor 303 rotates to drive the lifting support plate 31 to descend, the air bubble of the tested level is aligned to the starting line on the left side of the air level of the tested level, and then the lifting support plate descends for a plurality of fixed heights, the position reading of the air bubble of the detected level is recorded in each corresponding observation, then the motor 303 is controlled to rotate to drive the lifting support plate 31 to ascend, the air bubble of the detected level is aligned to the starting line on the right edge of the air bubble of the detected level, the lifting support plate 31 ascends for a plurality of fixed heights, and recording the position reading of the bubble of the detected level at each corresponding observation, and finally calculating the division value error of the detected level according to the reading of the bubble of the detected level.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (5)
1. The automatic calibration device for the division value of the level ruler is characterized by comprising a supporting seat and a workbench, wherein the left end of the supporting seat is a fixed support, two bearing seats are fixed above the fixed support, the middles of the bearing seats are connected through a rotating shaft, an automatic lifting mechanism is fixed at the right end of the supporting seat and comprises a lifting support plate and a linear module, the linear module is vertically fixed at the right end of the supporting seat, a precise transmission lead screw is arranged inside the linear module, the extending end of the precise transmission lead screw is connected with a motor through a coupler, the lifting support plate is fixed with a sliding block, the sliding block is in threaded connection with the precise transmission lead screw, and the lifting support plate moves up and; the left end of the workbench is fixed on the rotating shaft, and the right end of the workbench is placed on the lifting support plate.
2. The automatic calibration device for the division values of the level ruler as claimed in claim 1, wherein the bottom ends of the supporting bases are provided with fine adjustment knobs for manual rotation.
3. The automatic calibration device for the division values of the level ruler as claimed in claim 1, wherein a plurality of positioning blocks are arranged inside the worktable and are evenly spaced.
4. The automatic calibration device for the division values of the level bar according to claim 1, wherein the worktable is a cast iron platform or a marble platform.
5. The automatic leveling device of the level index according to claim 1 wherein the table top is provided with a leveling bubble.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020458922.8U CN211425465U (en) | 2020-04-01 | 2020-04-01 | Automatic calibration device for division value of level ruler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020458922.8U CN211425465U (en) | 2020-04-01 | 2020-04-01 | Automatic calibration device for division value of level ruler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211425465U true CN211425465U (en) | 2020-09-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020458922.8U Active CN211425465U (en) | 2020-04-01 | 2020-04-01 | Automatic calibration device for division value of level ruler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211425465U (en) |
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2020
- 2020-04-01 CN CN202020458922.8U patent/CN211425465U/en active Active
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