CN221037803U - Dynamometer calibration device - Google Patents
Dynamometer calibration device Download PDFInfo
- Publication number
- CN221037803U CN221037803U CN202322496745.9U CN202322496745U CN221037803U CN 221037803 U CN221037803 U CN 221037803U CN 202322496745 U CN202322496745 U CN 202322496745U CN 221037803 U CN221037803 U CN 221037803U
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- CN
- China
- Prior art keywords
- press
- detected
- clamping head
- dynamometer
- shaft sleeve
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- 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.)
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- 238000012795 verification Methods 0.000 claims description 6
- 238000007689 inspection Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The utility model discloses a dynamometer calibration device, which comprises a press, a clamping head arranged on a rack shaft lever of the press, and a standard force transducer arranged on a base of the press, and is characterized in that: the device is characterized by further comprising a detected force meter arranged on the clamping head, wherein a rack shaft lever of the press machine is meshed with a gear of the press machine through a pressing rod of the press machine, so that the rack shaft lever drives the detected force meter on the clamping head to move up and down in a linear manner, and the detected force meter is contacted with a standard force sensor. The beneficial effects are that: the rack shaft lever of the press is meshed with the gear of the press, so that the clamping head is provided with linear motion generated by the detected force meter without torsional gaps in the circumferential direction, and the standard force measuring sensor reads the standard nominal force value of the detected force meter more truly. The accuracy of the factory inspection of the detected force meter is improved.
Description
Technical Field
The utility model relates to a calibration device, in particular to a dynamometer calibration device.
Background
For the foundation bearing capacity soil filling density on-site detector, a load sensor is used as a stress application end to enable a detected force meter to be in contact with a detected object, and the contact force between the detected force meter and the detected object is calculated and displayed on a control display panel through a data acquisition processor. For the detected force meter, the specification and model are different, and the contact force between the detected force meter and the detected object is different, so that the detected force meter needs to be checked by a professional instrument before leaving the factory, and the detected force meter is checked to be in accordance with a standard nominal force value and then is permitted to leave the factory.
The existing professional verification instrument is characterized in that a chuck for clamping a detected force meter is connected with a trapezoidal thread shaft, the trapezoidal thread shaft is connected with a bracket with a nut, the detected force meter is contacted with a standard force measuring sensor to verify the moment value of the detected force meter by twisting the trapezoidal thread shaft and the nut, and the defect of the structural mode is that the torsional clearance exists in the rotating direction of the trapezoidal thread shaft and the nut due to the fact that the verification value of the standard force measuring sensor is inaccurate, and then the standard nominal force value of the detected force meter cannot be truly read.
Disclosure of utility model
The utility model aims to overcome the defects in the prior art and provides a dynamometer checking device.
In order to overcome the technical problems, the utility model adopts the following technical scheme:
Including the press, locate clamping head on the press rack axostylus axostyle, and set up standard force transducer on the press base, its characterized in that: the device is characterized by further comprising a detected force meter arranged on the clamping head, wherein a rack shaft lever of the press machine is meshed with a gear of the press machine through a pressing rod of the press machine, so that the rack shaft lever drives the detected force meter on the clamping head to move up and down in a linear manner, and the detected force meter is contacted with a standard force sensor.
Further, the clamping head comprises a base plate connected with a rack shaft lever of the press machine, a shaft end check ring arranged at the upper end of the base plate, a locking nut arranged at the lower end of the base plate, and a nut with knurled surface;
One side of the base plate is provided with a locking shaft sleeve with an opening, the lower end of the locking shaft sleeve is provided with threads, the detected dynamometer is arranged in the locking shaft sleeve, and the threads of the locking shaft sleeve are in screwed connection with a nut with knurled surface, so that the detected dynamometer is fixed on the locking shaft sleeve.
Furthermore, the openings are uniformly distributed on the locking shaft sleeve in a ring shape.
Further, the number of the openings is one.
Further, the knurling is any one of straight lines or reticulation.
Compared with the prior art, the utility model has the beneficial effects that: the rack shaft lever of the press is meshed with the gear of the press, so that the clamping head is provided with linear motion generated by the detected force meter without torsional gaps in the circumferential direction, and the standard force measuring sensor reads the standard nominal force value of the detected force meter more truly. The accuracy of the factory inspection of the detected force meter is improved.
Drawings
The utility model is described in further detail below with reference to the drawings and the detailed description.
Fig. 1 is a front view of the present utility model.
Fig. 2 is a rear view of fig. 1.
Fig. 3 is a partial enlarged view of the region a shown in fig. 2.
FIG. 4 is an isometric view of FIG. 1
Detailed Description
As shown in fig. 1-4, a calibration device for a dynamometer is provided, which comprises a press 1, a clamping head 3 arranged on a rack shaft lever 2 of the press, and a standard force sensor 7 arranged on a base of the press 1, wherein a detected dynamometer 4 is arranged on the clamping head 3, the rack shaft lever 2 of the press 1 is meshed with a gear 6 of the press 1 by rotating a pressing rod 5 of the press 1, the rack shaft lever 2 drives the detected dynamometer 4 arranged on the clamping head 3 to move up and down in a linear manner, finally the detected dynamometer 4 is contacted with the standard force sensor 7, and a standard nominal force value of the detected dynamometer 4 is read by the standard force sensor 7. Compared with the prior art, the rack shaft lever 2 of the press 1 is meshed with the gear 6 of the press 1, so that the clamping head 3 is provided with the linear motion generated by the detected force meter 4 without a torsion gap in the circumferential direction, and the standard force sensor 7 of the clamping head is enabled to read the standard nominal force value of the detected force meter 4 more truly. The accuracy of the factory inspection of the detected force meter 4 is improved.
As shown in fig. 3, the clamping head 3 comprises a base plate 8 connected with a rack shaft 2 of the press 1, the upper end of the base plate 8 limits the base plate 8 through a shaft end retainer ring 9, and the lower end of the base plate 8 connects the base plate 8 and the rack shaft 2 together through a lock nut 10. One side of the base plate 8 is provided with a locking shaft sleeve 12 with an opening 11, the lower end of the locking shaft sleeve 12 is provided with threads, the detected dynamometer 4 passes through the locking shaft sleeve 12 and is connected with the threads on the locking shaft sleeve 12 in a screwing way through a nut 14 with knurls 13 arranged on the surface, so that the detected dynamometer 4 is fixed on the locking shaft sleeve 12, and the rack shaft lever 2 of the press 1 is meshed with the gear 6 of the press 1 by rotating the press rod 5 of the press 1, so that the rack shaft lever 2 drives the clamping head 3 to be installed to enable the detected dynamometer 4 to move up and down in a linear manner, and the detected dynamometer 4 is contacted with the standard dynamometer 7.
In the embodiment, the openings 11 are annularly and uniformly distributed and arrayed on the locking shaft sleeve 12, and the number of the openings 11 is four, so that the installation of the detected dynamometer 4 and the locking shaft sleeve 12 is facilitated; the knurling 13 of the nut 14 is any one of straight lines and reticulation, when the nut 14 is screwed with the locking shaft sleeve 12, the knurling 13 increases the screwing force of the nut 14 and the threads of the locking shaft sleeve 12, so that the opening 11 on the locking shaft sleeve 12 is reduced, the detected force meter 4 is locked, and the detected force meter 4 is firmly locked in the locking shaft sleeve 12.
The utility model is not limited to the precise constructions and arrangements shown in the drawings and described above
Various modifications and changes may be made without departing from the scope thereof. The scope of the utility model is limited only by the appended claims.
Claims (5)
1. The utility model provides a dynamometer verifying attachment, includes press (1), locates clamping head (3) on press (1) rack axostylus axostyle (2), and set up standard force transducer (7) on press (1) base, its characterized in that: the device is characterized by further comprising a detected dynamometer (4) arranged on the clamping head (3), wherein the rack shaft lever (2) of the press machine (1) is meshed with the gear (6) of the press machine (1) through the pressing rod (5) of the rotary press machine (1), so that the rack shaft lever (2) drives the detected dynamometer (4) on the clamping head (3) to move up and down in a linear manner, and the detected dynamometer (4) is in contact with the standard force sensor (7).
2. A load cell verification device according to claim 1, wherein: the clamping head (3) comprises a base plate (8) connected with a rack shaft lever (2) of the press machine (1), a shaft end check ring (9) arranged at the upper end of the base plate (8), a locking nut (10) arranged at the lower end of the base plate (8) and a nut (14) with knurled (13) arranged on the surface;
One side of the base plate (8) is provided with a locking shaft sleeve (12) with an opening (11), the lower end of the locking shaft sleeve (12) is provided with threads, the detected dynamometer (4) is arranged in the locking shaft sleeve (12), and the threads of the locking shaft sleeve (12) are connected with a nut (14) with knurled (13) arranged on the surface in a screwing mode to fix the detected dynamometer (4) on the locking shaft sleeve (12).
3. A load cell verification device according to claim 2, wherein: the openings (11) are annularly and uniformly distributed and arrayed on the locking shaft sleeve (12).
4. A load cell verification apparatus as claimed in claim 2 or claim 3, wherein: the number of the openings (11) is 4.
5. A load cell verification device according to claim 2, wherein: the knurling (13) is any one of straight lines or reticulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322496745.9U CN221037803U (en) | 2023-09-14 | 2023-09-14 | Dynamometer calibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322496745.9U CN221037803U (en) | 2023-09-14 | 2023-09-14 | Dynamometer calibration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221037803U true CN221037803U (en) | 2024-05-28 |
Family
ID=91139911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322496745.9U Active CN221037803U (en) | 2023-09-14 | 2023-09-14 | Dynamometer calibration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221037803U (en) |
-
2023
- 2023-09-14 CN CN202322496745.9U patent/CN221037803U/en active Active
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