CN202648870U - Device for calibrating pull/press force gauge - Google Patents
Device for calibrating pull/press force gauge Download PDFInfo
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- CN202648870U CN202648870U CN 201220305901 CN201220305901U CN202648870U CN 202648870 U CN202648870 U CN 202648870U CN 201220305901 CN201220305901 CN 201220305901 CN 201220305901 U CN201220305901 U CN 201220305901U CN 202648870 U CN202648870 U CN 202648870U
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- framework
- pressure
- pull
- pressure meter
- press
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Abstract
Provided is a device for calibrating a pull/press force gauge. The device comprises a vertical test rack consisting of a support body (11) and a flat plate (12), a force value weight (25), and press-pull conversion racks (40) consisting of frames, capping pieces and drag hooks. The pull/press force gauge (21) is fixed on the flat plate (12) of the test rack via a bolt. A pull-force end (23) of a central rod is vertically oriented downwards. The frames have a left-right symmetric regular shape. The capping pieces are fixed to the central parts of the upper ends of the frames and are fixedly connected with a press-force end (22) of the central rod of the pull/press force gauge via a built-in threaded hole. The drag hooks are connected to the central parts of the lower ends of the frames. The force value weight (25) is suspended on the drag hooks. The device of the utility model tactfully converts the pull force of the force value weight into the press force on the pull/press force gauge through the press-pull conversion racks and therefore realizes calibration of the pull force and the press force of the pull/press force gauge.
Description
Technical field
The utility model relates to a kind of detection/calibrating installation of power value, is applicable to the device of pointer-type or digital pressure meter calibrating.
Background technology
Be the accuracy that guarantees to measure, gauging instrument will often be calibrated.
At present, the device that is used for the pressure meter calibrating as shown in Figure 1 and Figure 2.This device comprises by supporter 11 and the dull and stereotyped 12 vertical testing jigs that form, power value counterweight 25.Dull and stereotyped 12 are fixed on the supporter 11, and fluting is arranged on it.Screw on pressure meter 21 back is taken off, is fixed on the fluting of flat board 12 of aforementioned testing jig through long screw 13 again, the pulling force end 23 of its center bar vertically down, the pressure end 22 of its center bar vertically up, its index dial 211 is outwardly.Standard accessory-drag hook 24 that the pressure meter is equipped with is installed on the pulling force end 23 of the center bar of pressure meter, and power value counterweight 25 is suspended on the drag hook 24 can carry out the calibration of pulling force.
Yet said apparatus can only be used for the pulling force calibration of pressure meter.If the pressure meter will carry out pressure (or thrust, below be referred to as pressure) calibration, also need to be equipped with in addition corresponding test board, standard dynamometer, standard force-measuring lever or by pressure transducer etc.
The utility model content
The utility model solve the existing device that is used for the pressure meter calibrating can only calibrate pulling force, can't base measuring pressure problem.
For this reason, the utility model provides a kind of device for the pressure meter calibrating, and except comprising by supporter and the dull and stereotyped vertical testing jig that forms, the power value counterweight, this device comprises that also the main pressure that is comprised of framework, the part that bears down on one, drag hook draws the conversion frame; Aforementioned framework is symmetrical regular shape; The pressure meter is fixed on through screw on the flat board of aforementioned testing jig, and the pulling force end of its center bar vertically down; The part that bears down on one is connected to framework center, upper end and is fixedly connected with by the pressure end of built-in threaded hole with the center bar of pressure meter; Drag hook is connected to center, framework lower end, and power value counterweight is suspended on the drag hook.
The utility model is used for the device of pressure meter calibrating, is to have added simple pressure of structure at existing apparatus to draw the conversion frame.Pressure is drawn and transformed frame will be that the power value counterweight of pulling force changes into the pressure to the pressure end of the center bar of pressure meter dexterously originally, thereby the pressure calibration of pressure meter is achieved.Certainly, before the pressure calibration, draw the existence that transforms the weight of frame own owing to press, should be with dial needle or digital displaying value's zero setting.Simultaneously for guaranteeing measurement range, press draw transform the weight of frame own should be controlled at do not affect be limited in the pressure survey good.
As a kind of preferred version, the utility model is used for the device of pressure meter calibrating, and pressing and drawing the center, framework upper end that transforms frame is threaded hole; The part that bears down on one is the bolt of the built-in threaded hole of head, and its screw portion is threaded on the threaded hole of framework; Above-mentioned drag hook is fixedly connected on the framework.During use, the screw portion of the part that will bear down on one first screws in the threaded hole on the framework; Again the pressure end of the center bar of pressure meter is screwed in the built-in threaded hole of the part head that bears down on one; Then the screw on the pressure gauge back is taken off, be fixed on through long screw on the fluting of flat board of testing jig; Draw the rotation that transforms frame to regulate by pressure, guarantee to press to draw to transform frame and the testing jig vertical plane keeps spacing, in order to be not interfered during calibration.
Obviously, the utility model is used for the device of pressure meter calibrating, and pressing and drawing the center, framework upper end that transforms frame is threaded hole, and the pressure end of the center bar of pressure meter also can directly be fixed in this threaded hole.
Yet the utility model is used for the device of pressure meter calibrating, and when formerly carrying out pulling force calibration (prior art), the pressure meter has been fixed on the fluting of flat board of testing jig; Carry out again pressure calibration, the pressure meter will be pulled down from the fluting of the flat board of testing jig, and pressure is drawn to transform and is fixed after frame is installed again.If carry out first pressure calibration, also will be after pressure calibration draw pressure to transform frame and pull down and just can carry out the pulling force calibration, otherwise press draw the framework that transforms frame will be very long, put into for power value counterweight to reserve sufficient space.Like this, all more loaded down with trivial details with working routine.
For this reason, as further improvement, the utility model is used for the device of pressure meter calibrating, presses the center of the upper and lower side that draws the framework that transforms frame to be unthreaded hole; The part that bears down on one is the bolt of the built-in threaded hole of head, is connected on the framework through nut.After formerly carrying out pulling force calibration, when carrying out pressure calibration again, only need be spun on the part that bears down on one the pressure end of the center bar of pressure meter, again framework be inserted on the part screw rod that bears down on one, through nut fixing press to draw transform frame and get final product.In like manner, formerly carry out pressure calibration after, carry out again pulling force when calibration, only need nut to select to press and draw the conversion frame, framework is taken off from the part screw rod that bears down on one, the pressure end that the part that will bear down on one again screws out the center bar of pressure meter gets final product.Above-mentioned working routine all need not be taken off refitting from the flat board of testing jig with the pressure meter, operates simpler.
But, consider that there are the gap in the screw rod of the part that bears down on one and the unthreaded hole of framework, be difficult to guarantee to press to draw to transform keep balance after the pressure meter is ajusted, is fixed on to frame, thus the effect of impact calibration.Therefore, the utility model is used for the device of pressure meter calibrating, also will consider the balance adjustment problem.For this reason, framework can be split as symmetrical upper frame body and lower frame body, connect through two groups of bolts, nut.By the height of cap rotation adjusting left and right sides upper frame body and lower frame body, then reach equilibrium pressure and draw the purpose that transforms frame.
In addition, draw the dismounting that transforms frame for convenient the pressure, draw the drag hook that transforms on the frame also can be adopted as the standard accessory that the pressure meter is equipped with, be connected on the framework through bolt.
Description of drawings
Further specify the utility model below in conjunction with the drawings and specific embodiments.
Fig. 1 is the existing device synoptic diagram that is used for the pressure meter calibrating;
Fig. 2 is the side view of device shown in Figure 1, for clarity sake, has adopted analysing and observe in Fig. 1 centerline;
Fig. 3 is the device synoptic diagram for the pressure meter calibrating of the present utility model;
Fig. 4 is the side view of device shown in Figure 3, for clarity sake, has adopted analysing and observe in Fig. 3 centerline;
Fig. 5 is the synoptic diagram that the pressure of the device for the pressure meter calibrating of the present utility model is drawn an embodiment who transforms frame, for clarity sake, has adopted semisectional view and the fracture technique of painting;
Fig. 6 is the synoptic diagram that the pressure of the device for the pressure meter calibrating of the present utility model is drawn another embodiment that transforms frame, for clarity sake, has adopted semisectional view and the fracture technique of painting.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
As shown in Figure 3, Figure 4, the device that the utility model is used for the pressure meter calibrating comprises: by supporter 11 and the dull and stereotyped 12 vertical testing jigs that form, the pressure that mainly is comprised of framework, the part that bears down on one, drag hook is drawn and is transformed frame 40, power value counterweight 25.Dull and stereotyped 12 are welded on the supporter 11, and fluting is arranged on it.Screw on pressure meter 21 back is taken off, is fixed on the fluting of flat board 12 of aforementioned testing jig through long screw 13 again, the pulling force end 23 of its center bar vertically down, the pressure end 22 of its center bar is vertically up.Aforementioned framework is symmetrical hollow rectangular shape; The part that bears down on one is connected to center, framework upper end and the pressure end 22 by built-in threaded hole and the center bar of pressure meter is fixedly connected with; Drag hook is connected to center, framework lower end, and power value counterweight 25 is suspended on the drag hook.
The utility model is used for the device of pressure meter calibrating, 25 pairs of pressures of power value counterweight are drawn the pulling force that transforms frame 40 and are pressed and draw the self gravitation that transforms frame 40 all to become pressure-acting on the pressure end 22 of the center bar of pressure meter, thereby can carry out pressure calibration to the pressure meter.
Pressure is as shown in Figure 5 drawn among the embodiment who transforms frame, and pressing and drawing the center, framework 41 upper end that transforms frame 40 is threaded hole; The part 43 that bears down on one is bolt, and its head 431 built-in threaded holes 432, its screw portion are threaded on the threaded hole of framework 41; Drag hook 42 is installed in the center of framework 41 lower ends.During pressure calibration, the screw portion of the part 43 that will bear down on one first screws in the threaded hole on the framework 41; Again the pressure end of the center bar of pressure meter is screwed in the built-in threaded hole 432 of the part head that bears down on one; Then the screw on the pressure gauge back is taken off, be fixed on through long screw on the fluting of flat board of testing jig; Draw the rotary fine adjustment that transforms frame by pressure, guarantee to press and draw separating of the flat board that transforms frame and testing jig, in order to be not interfered during calibration.This pressure draws that to transform frame 40 simple in structure, but design, should consider its equilibrium problem when making, and precision is higher.
Pressure is as shown in Figure 6 drawn among another embodiment that transforms frame, and framework 30 is comprised of symmetrical upper frame body 32 and lower frame body 31 two parts; Upper frame body 32 and lower frame body 31 are through two groups of bolts 34/35 about its common center line symmetry, nut 1), nut 2 342/352 is connected; Upper frame body 32, lower frame body 31 centers are unthreaded hole; The part 33 that bears down on one is the bolt of the built-in threaded hole 332 of head, is connected on the framework 32 through nut 333; The standard tool that drag hook 36 is equipped with for the pressure meter is connected to through bolt 37 on the unthreaded hole of lower frame body 31 centers.Adopt the device that is used for the pressure meter calibrating of this embodiment, when between pulling force and pressure calibration, transforming, the flat board of pressure meter from testing jig need not be taken off, more convenient to operate.Simultaneously, because 31 of upper frame body 32 and lower frame bodies can be regulated relative position through nut 351/341,352/342, then reach to press and draw the balance that transforms frame, so design, need not consider himself equilibrium problem when making.
More than be one of embodiment of the present utility model, for those skilled in the art, do not spend performing creative labour, on the basis of above-described embodiment, can do multiple variation, can realize the purpose of this utility model equally.But this variation obviously should be in the protection domain of claims of the present utility model.
Claims (4)
1. the device that is used for the pressure meter calibrating comprises the vertical testing jig that is comprised of supporter (11) and dull and stereotyped (12), power value counterweight (25); Pressure meter (21) is fixed on through screw (13) on the flat board (12) of aforementioned testing jig, and the pulling force end (23) of its center bar vertically down; It is characterized in that: this device comprises also that the pressure that mainly is comprised of framework (31,32,41), the part that bears down on one (33,43), drag hook (42,36) is drawn and transforms frame (30,40); Aforementioned framework (31,41) is symmetrical regular shape; The pressure end (22) that the part (33,43) that bears down on one is connected to center, framework (31,41) upper end and the center bar by built-in threaded hole (432,332) and pressure meter is fixedly connected with; Drag hook (42,36) is connected to framework (31,41) center, lower end, and power value counterweight (25) is suspended on the drag hook (42,36).
2. the device for the pressure meter calibrating as claimed in claim 1 is characterized in that: center, above-mentioned framework (41) upper end is threaded hole; The part (43) that bears down on one is the bolt of the built-in threaded hole of head (432), and its screw portion is threaded on the threaded hole of framework (31,41); Above-mentioned drag hook (42) is fixedly connected on the framework (41).
3. the device for the pressure meter calibrating as claimed in claim 1, it is characterized in that: above-mentioned framework is comprised of symmetrical upper frame body (32) and lower frame body (31) two parts; Upper frame body (32) is connected through two groups of bolts about its common center line symmetry (34,35), nut one (341,351), nut two (342,352) with lower frame body (31); Upper frame body (32) center is unthreaded hole; The part (33) that bears down on one is the bolt of the built-in threaded hole of head (332), is connected on the framework (32) through nut (333).
4. the device for the pressure meter calibrating as claimed in claim 3, it is characterized in that: the standard accessory that above-mentioned drag hook (42,36) is equipped with for the pressure meter is connected to through bolt (37) on the unthreaded hole of lower frame body (31) center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220305901 CN202648870U (en) | 2012-06-28 | 2012-06-28 | Device for calibrating pull/press force gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220305901 CN202648870U (en) | 2012-06-28 | 2012-06-28 | Device for calibrating pull/press force gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202648870U true CN202648870U (en) | 2013-01-02 |
Family
ID=47417963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220305901 Withdrawn - After Issue CN202648870U (en) | 2012-06-28 | 2012-06-28 | Device for calibrating pull/press force gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202648870U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102735397A (en) * | 2012-06-28 | 2012-10-17 | 宁波奥克斯空调有限公司 | Device for calibrating pull pressure gauge |
-
2012
- 2012-06-28 CN CN 201220305901 patent/CN202648870U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102735397A (en) * | 2012-06-28 | 2012-10-17 | 宁波奥克斯空调有限公司 | Device for calibrating pull pressure gauge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130102 Effective date of abandoning: 20140514 |
|
| RGAV | Abandon patent right to avoid regrant |