CN216846692U - Calibrating device for force measuring element - Google Patents
Calibrating device for force measuring element Download PDFInfo
- Publication number
- CN216846692U CN216846692U CN202123366149.6U CN202123366149U CN216846692U CN 216846692 U CN216846692 U CN 216846692U CN 202123366149 U CN202123366149 U CN 202123366149U CN 216846692 U CN216846692 U CN 216846692U
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- Prior art keywords
- jack
- plate
- force measuring
- connecting rod
- calibrating device
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- 238000000429 assembly Methods 0.000 claims description 5
- 230000000712 assembly Effects 0.000 claims description 5
- 238000005259 measurement Methods 0.000 abstract description 4
- 238000002474 experimental method Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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Abstract
The utility model relates to a calibrating device for a force measuring element, which comprises a supporting frame, a jack and a standard force measuring instrument; the supporting frame comprises a bottom plate and a top plate, and the top plate and the bottom plate are supported through a connecting rod; the jack is a screw jack and is arranged on the bottom plate, and a bearing plate capable of adjusting levelness is arranged at the top of a telescopic rod of the jack; the standard dynamometer is arranged at the bottom of the top plate. The lifting controllable precision is improved through the screw jack, and the force measuring element to be measured is precisely calibrated in each pressure interval; meanwhile, the top surface of the bearing plate is adjusted to be in a horizontal state, so that accurate measurement of the force measuring element to be measured is guaranteed.
Description
Technical Field
The utility model belongs to the technical field of calibration equipment, specifically speaking is a calibrating installation of dynamometry element.
Background
The batching scale under the iron smelting tank is periodically checked by a dynamometer, the dynamometer does not have standard verification equipment to determine the accuracy of the batching scale, and the batching scale is compared by a mechanics experiment machine at present (the pressure of the mechanics experiment machine is unstable, so that the authenticity of data cannot be ensured, and the accuracy cannot meet the verification requirement of the dynamometer).
At present, a dynamometer for checking a stock bin scale is checked through a mechanical experiment machine, and the dynamometer cannot meet the requirement of calibrating the dynamometer because the mechanical experiment machine belongs to the problems that oil pressure control cannot accurately control stroke and force values, the accuracy is low, and the calibration requirement of the dynamometer cannot be met.
SUMMERY OF THE UTILITY MODEL
The coarse problem of detection precision to the dynamometry original paper for solving current calibrating installation, the utility model provides a calibrating installation of dynamometry element.
The utility model discloses a realize through following technical scheme:
a calibrating device for a force measuring element comprises a supporting frame, a jack and a standard force measuring instrument;
the supporting frame comprises a bottom plate and a top plate, and the top plate and the bottom plate are supported through a connecting rod;
the jack is a screw jack and is arranged on the bottom plate, and a bearing plate capable of adjusting levelness is arranged at the top of a telescopic rod of the jack;
the standard dynamometer is arranged at the bottom of the top plate.
The lifting controllable precision is improved through the screw jack, and the force measuring element to be measured is accurately detected in each pressure interval; and simultaneously, the top surface of the bearing plate is adjusted to be in a horizontal state so as to ensure the accurate measurement of the force measuring element to be measured.
The utility model discloses a further improvement still, the top surface of above-mentioned bottom plate is equipped with the slipmat. The friction coefficient of the jack is increased through the non-slip mat, and the jack is prevented from moving randomly.
The utility model discloses a further improvement still, set up respectively on above-mentioned bottom plate and the roof with connecting rod matched with screw hole and connect the through hole, the both ends of connecting rod all are equipped with the screw thread section with screw hole matched with, the connecting rod wherein is equipped with a pair of compressing tightly on the screw thread section of one end the fastening nut of roof. The top plate is pressed on the connecting rod through a pair of fastening nuts so as to adjust the levelness of the top plate.
The utility model discloses a further improvement still is equipped with two air level, two on the above-mentioned roof the axis of air level is perpendicular on same horizontal plane. The levelness of the top plate is detected through the level bubble.
The utility model discloses a further improvement still, the cross-section in above-mentioned connecting rod middle section is regular polygon. Form the strengthening rib and increase the structural strength of connecting rod.
The utility model is further improved in that the top surface of the bearing plate is a smooth surface; the bearing plate is provided with two level bubbles, and the axes of the two level bubbles are vertical on the same horizontal plane. And detecting the levelness of the bearing plate through the level bubble.
The utility model discloses a further improvement still, above-mentioned bearing board meets through the length adjustment subassembly of at least three slope and the telescopic link of jack, length adjustment subassembly is in evenly distributed on the telescopic link of jack. The top surface of the bearing plate is made to be horizontal by adjusting the length adjusting component.
The utility model discloses a further improvement still, above-mentioned length adjustment subassembly's both ends are passed through the hinge and are met with jack and bearing board respectively, length adjustment subassembly includes the guide cylinder and stretches out and draws back the adjusting screw in the guide cylinder, rotate on the nozzle of guide cylinder and be equipped with the adjusting nut with adjusting screw matched with. The length of the adjusting screw rod extending out of the guide cylinder is controlled by operating the adjusting nut.
According to the technical scheme provided by the utility model, the beneficial effects are that: the lifting controllable precision is improved through the screw jack, and the force measuring element to be measured is accurately detected in each pressure interval; meanwhile, the top surface of the bearing plate is adjusted to be in a horizontal state, so that accurate measurement of the force measuring element to be measured is guaranteed.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a first schematic diagram of an embodiment of the present invention.
Fig. 2 is a second schematic diagram of an embodiment of the present invention.
Fig. 3 is a schematic view of a connecting rod according to an embodiment of the present invention.
Fig. 4 is a schematic view of a length adjustment assembly according to an embodiment of the present invention.
In the drawings: 1. the device comprises a supporting frame, 11, a bottom plate, 12, a top plate, 13, a connecting rod, 131, a fastening nut, 2, a jack, 21, a bearing plate, 22, a length adjusting component, 221, a guide cylinder, 222, an adjusting nut, 223, an adjusting screw rod, 3, a force measuring element to be detected, 4, a standard force measuring instrument, 5 and a level bubble.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments, and obviously, the embodiments described below are only some embodiments, not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments in this patent without making creative efforts, shall fall within the protection scope of this patent.
As shown in the attached drawings, the calibrating device of the force measuring element comprises a supporting frame 1, a jack 2, a standard force measuring instrument 4 and a force measuring element 3 to be calibrated. The supporting frame 1 comprises a bottom plate 11 and a top plate 12, and the top plate 12 and the bottom plate 11 are supported through a connecting rod 13. The operation of the parts in the supporting frame 1 is facilitated. Threaded holes and connecting through holes matched with the connecting rods 13 are formed in the bottom plate 11 and the top plate 12 respectively, threaded sections matched with the threaded holes are formed in two ends of each connecting rod 13, and a pair of fastening nuts 131 for pressing the top plate 12 are arranged on the threaded sections at one end of each connecting rod 13. One of the thread sections of the connecting rod 13 is screwed into the thread hole on the bottom plate 11, and the top plate 12 is sleeved between a pair of fastening nuts 131 on the other end, and the position of the top plate 12 is fixed by adjusting the pair of fastening nuts 131. And the top surface of the bottom plate 11 is provided with an anti-slip pad. The non-slip mat can increase the friction coefficient to prevent slipping. Two level bubbles 5 are arranged on the top plate 12, and the axes of the two level bubbles 5 are vertical on the same horizontal plane. The level vials 5 can determine whether the top plate 12 is in a horizontal state. The cross section of the middle section of the connecting rod 13 is a regular polygon. The middle section of the regular polygonal connecting rod 13 forms a reinforcing rib of the connecting rod 13, so that the structural strength of the connecting rod is improved.
The jack 2 is a screw jack 2 and is arranged on the bottom plate 11, and the top of a telescopic rod of the jack 2 is connected with a bearing plate 21 through a length adjusting component 22. The screw jack 2 can flexibly and accurately control the lifting height. The number of the length adjusting assemblies 22 is three, and the three length adjusting assemblies 22 are uniformly distributed on the top of the telescopic rod of the jack 2. Reasonable supporting layout of the bearing plate 21 is realized by three length adjusting assemblies 22 which are uniformly distributed on the jack 2. Two ends of the length adjusting component 22 are respectively connected with the jack 2 and the bearing plate 21 through hinges. The length adjusting assembly 22 comprises a guide cylinder 221 and an adjusting screw 223 extending in the guide cylinder 221, and an adjusting nut 222 matched with the adjusting screw 223 is rotatably arranged on the opening of the guide cylinder 221. The length of the adjusting screw 223 extending out of the guide cylinder 221 is controlled by operating the adjusting nut 222.
The top surface of the bearing plate 21 is a smooth surface; the support plate 21 is provided with two level bubbles 5, and the axes of the two level bubbles 5 are vertical on the same horizontal plane. The leveling of the support plate 21 is detected by the leveling bubble 5.
The load cell 3 to be calibrated is arranged on the support plate 21. The pick-and-place operation of the force measuring element 3 to be detected is realized. The force-measuring element 3 to be detected can be a force-measuring cell or a weighing cell.
The standard load cell 4 is disposed at the bottom of the top plate 12. The convenience of the device for calibrating the force measuring element 3 to be calibrated can be improved.
In summary, when the device is used, the supporting frame 1 is assembled and used through a plurality of components, and the convenience of storage and transportation is improved. Placing the jack 2 on the bottom plate 11, and operating the length adjusting assembly 22 to adjust the levelness of the bearing plate 21; and then the force-measuring element 3 to be detected is placed on the bearing plate 21, and the influence of the frictional resistance in the horizontal direction on the force-measuring element 3 to be detected is reduced because the top surface of the bearing plate 21 is a smooth surface. The lifting height of the jack 2 is adjusted to enable the force measuring element 3 to be detected to be in contact with the standard force measuring instrument 4, so that the accuracy of the force measuring element 3 to be detected is detected.
The calibrating device of the force measuring element improves the controllable precision of lifting through the screw jack, and accurately calibrates the force measuring element to be tested in each pressure interval; meanwhile, the top surface of the bearing plate is adjusted to be in a horizontal state, so that accurate measurement of the force measuring element to be measured is guaranteed.
In the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The terms "upper", "lower", "outside", "inside" and the like in the description and claims of the present invention and the above drawings are used for distinguishing relative relationships in positions, if any, and do not necessarily have to be given qualitative meanings. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The calibrating device for the force measuring element is characterized by comprising a supporting frame (1), a jack (2) and a standard force measuring instrument (4);
the supporting frame (1) comprises a bottom plate (11) and a top plate (12), and the top plate (12) and the bottom plate (11) are supported through a connecting rod (13);
the jack (2) is a screw jack (2) and is arranged on the bottom plate (11), and a bearing plate (21) capable of adjusting levelness is arranged at the top of a telescopic rod of the jack (2);
the standard dynamometer (4) is arranged at the bottom of the top plate (12).
2. The calibrating device for a load cell as claimed in claim 1, characterized in that the top side of the base plate (11) is provided with non-slip pads.
3. The calibrating device for the force measuring cell according to claim 1, wherein the bottom plate (11) and the top plate (12) are respectively provided with a threaded hole and a connecting through hole which are matched with the connecting rod (13), both ends of the connecting rod (13) are respectively provided with a threaded section which is matched with the threaded hole, and the threaded section at one end of the connecting rod (13) is provided with a pair of fastening nuts (131) which press the top plate (12).
4. Calibration device for a load cell according to claim 3, characterized in that two level vials (5) are arranged on the top plate (12), the axes of the two level vials (5) being vertical in the same horizontal plane.
5. A calibration device for a load cell as claimed in claim 3, wherein the cross-section of the middle section of the connecting rod (13) is a regular polygon.
6. The calibrating device for load cells according to any one of claims 1 to 5, characterized in that the top surface of the support plate (21) is smooth; the supporting plate (21) is provided with two level bubbles (5), and the axes of the two level bubbles (5) are vertical on the same horizontal plane.
7. The calibrating device for load cells according to any of claims 1 to 5, characterized in that the support plate (21) is connected to the telescopic rods of the lifting jack (2) by at least three inclined length adjusting assemblies (22), the length adjusting assemblies (22) being evenly distributed over the telescopic rods of the lifting jack (2).
8. The calibrating device for the load cell according to claim 7, wherein both ends of the length adjusting assembly (22) are respectively connected with the jack (2) and the bearing plate (21) through hinges, the length adjusting assembly (22) comprises a guide cylinder (221) and an adjusting screw rod (223) extending and retracting in the guide cylinder (221), and an adjusting nut (222) matched with the adjusting screw rod (223) is rotatably arranged on the opening of the guide cylinder (221).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123366149.6U CN216846692U (en) | 2021-12-29 | 2021-12-29 | Calibrating device for force measuring element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123366149.6U CN216846692U (en) | 2021-12-29 | 2021-12-29 | Calibrating device for force measuring element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216846692U true CN216846692U (en) | 2022-06-28 |
Family
ID=82112619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123366149.6U Expired - Fee Related CN216846692U (en) | 2021-12-29 | 2021-12-29 | Calibrating device for force measuring element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216846692U (en) |
-
2021
- 2021-12-29 CN CN202123366149.6U patent/CN216846692U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220628 |