CN211425494U - Clamping device for instrument calibration - Google Patents
Clamping device for instrument calibration Download PDFInfo
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- CN211425494U CN211425494U CN201921975919.7U CN201921975919U CN211425494U CN 211425494 U CN211425494 U CN 211425494U CN 201921975919 U CN201921975919 U CN 201921975919U CN 211425494 U CN211425494 U CN 211425494U
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- lifter
- fixture
- instrument calibration
- clamping device
- sliding
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- 238000004164 analytical calibration Methods 0.000 title claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims description 15
- 230000000694 effects Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013558 reference substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to a calibration equipment technical field specifically discloses a clamping device is used in instrument calibration, comprises a workbench, the lifter plate, go up fixture and lower fixture, the fixed two backup pads that are provided with of the upper surface symmetry of workstation, the top fixed connection of backup pad is at the both ends of roof, the lower surface central point of roof puts fixed connection at the top of hydraulic stem, lifter plate top intermediate position fixedly connected with lifter, the slip chamber has been seted up to the bottom of hydraulic stem, the lifter slides nestedly in the inside in slip chamber, the top of lifter passes through spring elastic connection at the interior top in slip chamber, the top of lifter has set firmly the pressure sensors, be provided with the controller on the workstation, the lower fixed surface of lifter plate is provided with fixture, fixed fixture down that is provided with on the workstation. The utility model discloses the advantage: simple structure, convenient operation, the centre gripping is stable, and the protectiveness is good, goes up and down steadily, the facilitate promotion implementation.
Description
Technical Field
The utility model relates to a calibration equipment technical field specifically is a clamping device is used in instrument calibration.
Background
In industrial production, various instruments are required to be used for measurement, and in order to ensure the accuracy of the instruments, the instruments need to be checked regularly. The instrument calibration refers to the action of testing and adjusting the measurement instrument or standard to know the accuracy, and is called instrument calibration, which refers to calibrating the machine and instrument accurately. A set of operations for determining, under prescribed conditions, the relationship between the quantities indicated by the measuring instrument or measuring system, or represented by the material measure or reference substance, and the corresponding quantities reproduced by the standard. The calibration may comprise the steps of: checking, correcting, reporting, or adjusting to eliminate any deviation in accuracy of the measured devices being compared. At present, the instrument needs to be held by a worker when being calibrated, so that the time and the labor are wasted, errors in calibration can be caused, the use is inconvenient, and the problems are difficult to overcome by the prior art.
Chinese patent (No. CN 208391969U, bulletin date: 2019.01.18) discloses a clamping device for instrument calibration, which comprises a device body and a base, wherein a vertical rod is arranged at the top end of the base, a horizontal supporting rod is arranged on one side of the vertical rod, a fixing device is arranged at one end of the horizontal supporting rod, the fixing device comprises a sliding component, a locking component is arranged at one end of the sliding component, a first motor is arranged at the top end of the horizontal supporting rod, the first motor is rotatably connected with a lead screw through a self-contained motor shaft, the lead screw is movably connected with an upper clamping mechanism, a lower clamping mechanism is arranged at the bottom end of the upper clamping mechanism, a convex hole is formed in the upper clamping mechanism, a concave hole is formed in the lower clamping mechanism, a workbench is arranged at the bottom end of the lower clamping mechanism, a second motor is arranged in the base. The device adopts the motor to drive, and the device does not have protection mechanism, goes up fixture and lower fixture and presss from both sides the instrument bad easily, is not convenient for popularize and implement.
Disclosure of Invention
An object of the utility model is to provide a clamping device is used in instrument calibration to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a clamping device is used in instrument calibration, includes workstation, lifter plate, goes up fixture and fixture down, and the upper surface symmetry of workstation is fixed and is provided with two backup pads. The top fixed connection of backup pad is at the both ends of roof, and the lower surface central point of roof puts fixed connection at the top of hydraulic stem. The lifter is fixedly connected with the middle position of the top of the lifting plate, the bottom of the hydraulic rod is provided with a sliding cavity, the lifter is nested in the sliding cavity in a sliding mode, and the top of the lifter is connected to the inner top of the sliding cavity through spring elasticity. The arrangement of the spring has a certain buffer effect on the lower pressure degree of the lifting plate, so that the instrument is prevented from being damaged by clamping. The top of lifter sets firmly has pressure sensor, and pressure sensor can respond to the pressure between lifter and the hydraulic stem. Be provided with the controller on the workstation, controller and hydraulic stem, pressure sensors electric connection, when pressure sensors sensed pressure, the hydraulic stem stopped the extension to make the lifter plate stop to descend.
The lower fixed surface of lifter plate is provided with fixture, and fixture down is fixed to be provided with on the workstation below going up fixture, goes up fixture and corresponds with fixture position down, and the instrument is placed on fixture down, and under the effect of hydraulic stem, the lifter plate descends, goes up fixture and fixture down and cliies the instrument to accomplish the centre gripping of instrument.
As a further aspect of the present invention: the lifting rod and the sliding cavity are of polygonal structures with T-shaped sections.
As a further aspect of the present invention: vertical sliding tray has been seted up to the inboard of backup pad, and the four corners of lifter plate is fixed and is provided with the sliding block, and the sliding block slides and nests in the inside of sliding tray, makes the lifter plate go up and down steadily.
As a further aspect of the present invention: four groups of sliding grooves are arranged, so that the lifting plate is stressed uniformly.
As a further aspect of the present invention: the inside fixed vertical guide bar that is provided with of sliding tray, the sliding block slip nestification is on the guide bar, and the setting up of guide bar makes the lift of lifter plate more steady.
As a further aspect of the present invention: the ball groove has been seted up to the inside wall of sliding tray, and the lateral wall of sliding block rotates and is provided with the ball, and the ball is nested inside the ball groove, and the setting up in ball and ball groove makes the lifter plate slide more smoothly stable.
Compared with the prior art, the beneficial effects of the utility model are that: the setting of spring has certain cushioning effect to the pressure degree under the lifter plate, and when pressure sensor sensed pressure, the hydraulic stem stopped the extension to make the lifter plate stop to descend, avoided the instrument to be pressed from both sides bad. The ball nests in the ball groove inside, and the setting up in ball and ball groove makes the lifter plate slide more smoothly stable. The utility model discloses the advantage: simple structure, convenient operation, the centre gripping is stable, and the protectiveness is good, goes up and down steadily, the facilitate promotion implementation.
Drawings
Fig. 1 is a schematic perspective view of a holding device for calibrating an instrument.
FIG. 2 is a schematic diagram of a pressure sensor in a clamping device for instrument calibration.
FIG. 3 is a schematic diagram of a slider in a clamping device for calibrating an instrument.
In the figure, a workbench 1, a controller 2, a support plate 3, a top plate 4, a hydraulic rod 5, a lifting plate 6, a sliding groove 7, a sliding block 8, a guide rod 9, an upper clamping mechanism 10, a lower clamping mechanism 11, a sliding cavity 12, a lifting rod 13, a spring 14, a pressure sensor 15, a ball 16 and a ball groove 17.
Detailed Description
In order to clearly understand the technical features, objects and effects of the present invention, the present invention will now be described with reference to the accompanying drawings.
Example 1
Referring to fig. 1-2, a clamping device for calibrating an instrument includes a worktable 1, a lifting plate 6, an upper clamping mechanism 10 and a lower clamping mechanism 11, wherein two supporting plates 3 are symmetrically and fixedly disposed on the upper surface of the worktable 1. The top of backup pad 3 fixed connection is at the both ends of roof 4, and the lower surface central point of roof 4 puts fixed connection at the top of hydraulic stem 5. The lifting rod 13 is fixedly connected to the middle position of the top of the lifting plate 6, the sliding cavity 12 is formed in the bottom of the hydraulic rod 5, and the cross sections of the lifting rod 13 and the sliding cavity 12 are both of T-shaped structure polygon prism structures. The lifting rod 13 is slidably nested inside the sliding cavity 12, and the top of the lifting rod 13 is elastically connected to the inner top of the sliding cavity 12 through a spring 14. The arrangement of the spring 14 has a certain buffer effect on the lower pressure degree of the lifting plate 6, so that the instrument is prevented from being damaged by clamping. The top of the lifting rod 13 is fixedly provided with a pressure sensor 15, and the pressure sensor 15 can sense the pressure between the lifting rod 13 and the hydraulic rod 5. Be provided with controller 2 on the workstation 1, controller 2 and hydraulic stem 5, pressure-sensitive transducer 15 electric connection, when pressure-sensitive transducer 15 sensed pressure, hydraulic stem 5 stopped to extend to make lifter plate 6 stop to descend.
Four vertical sliding grooves 7 of group have been seted up to the inboard of backup pad 3, and the four corners of lifter plate 6 is fixed and is provided with sliding block 8, and sliding block 8 slides and nests in the inside of sliding groove 7, makes lifter plate 6 go up and down steadily. The inside fixed vertical guide bar 9 that is provided with of sliding tray 7, sliding block 8 slip nestification are on guide bar 9, and the setting up of guide bar 9 makes the lift of lifter plate 6 more steady. The lower fixed fixture 10 that is provided with of lifter plate 6, the below of going up fixture 10 is fixed on workstation 1 and is provided with down fixture 11, goes up fixture 10 and fixture 11 position correspondence down, and the instrument is placed on fixture 11 down, and under the effect of hydraulic stem 5, lifter plate 6 descends, goes up fixture 10 and fixture 11 down and cliies the instrument to accomplish the centre gripping of instrument.
The utility model discloses a theory of operation is: the instrument is placed on the lower clamping mechanism 11, the hydraulic rod 5 is started through the controller 2, the lifting plate 6 descends under the action of the hydraulic rod 5, and when the pressure sensor 15 senses pressure, the hydraulic rod 5 stops extending, so that the lifting plate 6 stops descending. The upper and lower clamping mechanisms 10 and 11 clamp the instrument, thereby completing the instrument calibration.
Example 2
Referring to fig. 3, based on embodiment 1, the inner side wall of the sliding groove 7 is provided with a ball groove 17, the outer side wall of the sliding block 8 is rotatably provided with balls 16, the balls 16 are nested in the ball groove 17, and the arrangement of the balls 16 and the ball groove 17 enables the lifting plate 6 to slide more smoothly and stably.
The above-mentioned embodiments only represent the preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes, modifications and substitutions can be made, which are all within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (6)
1. A clamping device for instrument calibration comprises a workbench (1), a lifting plate (6), an upper clamping mechanism (10) and a lower clamping mechanism (11), wherein two supporting plates (3) are symmetrically and fixedly arranged on the upper surface of the workbench (1), and the tops of the supporting plates (3) are fixedly connected to the two ends of a top plate (4), and is characterized in that the center of the lower surface of the top plate (4) is fixedly connected to the top of a hydraulic rod (5), and the middle of the top of the lifting plate (6) is fixedly connected with a lifting rod (13);
slip chamber (12) have been seted up to the bottom of hydraulic stem (5), lifter (13) slip nestification is in the inside in slip chamber (12), the top of lifter (13) is passed through spring (14) elastic connection at the interior top in slip chamber (12), pressure sensors (15) have set firmly at the top of lifter (13), be provided with controller (2) on workstation (1), controller (2) and hydraulic stem (5), pressure sensors (15) electric connection, the lower fixed surface of lifter plate (6) is provided with fixture (10), fixed fixture (11) down that is provided with on workstation (1).
2. The instrument calibration jig according to claim 1, wherein the lift lever (13) and the slide chamber (12) are each of a polygonal prism structure having a T-shaped cross section.
3. The instrument calibration clamping device as claimed in claim 1 or 2, wherein the inner side of the supporting plate (3) is provided with a vertical sliding groove (7), four corners of the lifting plate (6) are fixedly provided with sliding blocks (8), and the sliding blocks (8) are slidably nested in the sliding groove (7).
4. A device holding device for instrument calibration according to claim 3, wherein four sets of sliding grooves (7) are provided.
5. A clamping device for instrument calibration according to claim 3, characterized in that the inside of the sliding groove (7) is fixedly provided with a vertical guide rod (9), and the sliding block (8) is slidably nested on the guide rod (9).
6. The instrument calibration clamping device as claimed in claim 3, wherein the inner side wall of the sliding groove (7) is provided with a ball groove (17), the outer side wall of the sliding block (8) is rotatably provided with a ball (16), and the ball (16) is nested in the ball groove (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921975919.7U CN211425494U (en) | 2019-11-15 | 2019-11-15 | Clamping device for instrument calibration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921975919.7U CN211425494U (en) | 2019-11-15 | 2019-11-15 | Clamping device for instrument calibration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211425494U true CN211425494U (en) | 2020-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921975919.7U Active CN211425494U (en) | 2019-11-15 | 2019-11-15 | Clamping device for instrument calibration |
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| Country | Link |
|---|---|
| CN (1) | CN211425494U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112082592A (en) * | 2020-09-08 | 2020-12-15 | 厦门安科科技有限公司 | Quick detection device of sensor |
-
2019
- 2019-11-15 CN CN201921975919.7U patent/CN211425494U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112082592A (en) * | 2020-09-08 | 2020-12-15 | 厦门安科科技有限公司 | Quick detection device of sensor |
| CN112082592B (en) * | 2020-09-08 | 2021-05-25 | 厦门安科科技有限公司 | Quick detection device of sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A clamping device for instrument calibration Granted publication date: 20200904 Pledgee: Minhang Branch of Shanghai Rural Commercial Bank Co.,Ltd. Pledgor: SHANGHAI MEIZENG AUTOMOTIVE TESTING TECHNOLOGY CO.,LTD. Registration number: Y2024310000417 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |