CN211013362U - Calibration torque device for improving calibration precision - Google Patents
Calibration torque device for improving calibration precision Download PDFInfo
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- CN211013362U CN211013362U CN201921566105.8U CN201921566105U CN211013362U CN 211013362 U CN211013362 U CN 211013362U CN 201921566105 U CN201921566105 U CN 201921566105U CN 211013362 U CN211013362 U CN 211013362U
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Abstract
The utility model discloses an improve demarcation torque device of demarcation precision, including support and motor, torque sensor, direction rope and the guiding mechanism of setting on the support, the motor contains the motor shaft, and torque sensor contains the rotation axis, motor shaft fixed connection rotation axis one end, rotation axis other end lateral part fixed connection direction rope one end, and the direction rope other end is fixed connection resistance element after the guiding mechanism of 1 leads through quantity at least. The utility model discloses weight gravity is invariable, in the uniform velocity motion (guidance system's friction and gravity can be ignored as the case may be), can calculate the resistance truth value through specific formula. The weight is made of a material with slow chemical reaction, so that the purpose of long-term storage can be achieved, and the service life of the weight is greatly prolonged.
Description
Technical Field
The utility model relates to an improve calibration torque device of demarcation precision belongs to the moment of torsion and marks technical field.
Background
The traditional torque calibration mode is to adopt one or more samples, judge whether a measurement structure is abnormal or not by judging whether the force value of the measurement sample is consistent with that of the previous measurement structure, but the sample is abnormal after being used for many times due to the problems of abrasion or aging and the like, so that the calibration precision and accuracy are influenced.
In order to solve the technical problems, a new technical scheme is especially provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an improve calibration torque device who marks precision 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 an improve calibration accuracy's demarcation torque device, includes the support and sets up motor, torque sensor, direction rope and guiding mechanism on the support, the motor contains the motor shaft, and torque sensor contains the rotation axis, motor shaft fixed connection rotation axis's one end, the other end lateral part fixed connection of rotation axis one end of direction rope, the other end of direction rope is through the guiding mechanism guide back fixed connection resistance component that quantity is 1 at least.
Preferably, the resistance element is a solid weight.
Preferably, the shaft axis of the motor shaft and the shaft axis of the rotating shaft are on the same straight line.
Preferably, the guide mechanism comprises guide wheels, the guide wheels are rotatably arranged on the support, and the other ends of the guide ropes are guided by at least 1 guide wheel and then fixedly connected with the resistance elements.
Preferably, the motor is a stepping motor moving at a constant speed.
Compared with the prior art, the beneficial effects of the utility model are that: the gravity of the weight is constant, and in the uniform motion (the friction and the gravity of a guide system can be ignored as the case may be), the true resistance value can be calculated through a specific formula. The weight is made of a material with slow chemical reaction, so that the purpose of long-term storage can be achieved, and the service life of the weight is greatly prolonged.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a partial schematic diagram of the truth value of fig. 2.
Fig. 4 is a partial structural schematic diagram of fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The object of the present invention is to solve the problems mentioned in the background art only, and the disclosure provides a principle which is only to solve the technical problems mentioned in the background art, therefore, a person skilled in the art should know that the technical solution of the present invention is disclosed to such an extent that the problems mentioned in the background art can be completely implemented. Therefore, if a person skilled in the art encounters new technical problems while implementing the present technical solution, the person skilled in the art should understand that the directional problem of secondary or tertiary development can be made on the basis of the present invention, and should not understand that the present invention is not fully disclosed or can not be implemented by newly proposing a problem, which all belong to the obvious ways known to the person skilled in the art.
Referring to the attached drawings of the specification, the utility model provides a technical scheme: the utility model provides an improve calibration torque device who marks precision, including support 1 and the motor 2 of setting on support 1, torque sensor 3, direction rope 4 and guiding mechanism (not shown in the figure), motor 2 contains the motor shaft (not shown in the figure), torque sensor 3 contains rotation axis 6, the one end of motor shaft fixed connection rotation axis, the one end of the other end lateral part fixed connection direction rope 4 of rotation axis, the other end of direction rope 4 leads back fixed connection resistance component through the guiding mechanism that quantity is 1 at least, so that be used for detecting torque sensor 3 and be used for the accuracy of inspection measurement.
Preferably, the support 1 is further provided with a turntable 7, the non-central position of the turntable 7 is provided with an avoidance hole, and the other end of the guide rope 4 is guided by at least 1 guide mechanism to be fixedly connected with the resistance element after passing through the avoidance hole on the turntable 7.
Preferably, the resistance element is a solid weight 7.
Preferably, the shaft axis of the motor shaft and the shaft axis of the rotating shaft are on the same straight line.
Preferably, the guide mechanism comprises a guide wheel 5, the guide wheel 5 is rotatably arranged on the support 1, and the other end of the guide rope 4 is guided by at least 1 guide wheel 5 and then fixedly connected with the resistance element; and the support 1 can be provided with holes for the guide rope 4 (steel wire rope) to pass through when needed, which belong to the technology known by the ordinary skilled person in the art.
Preferably, the motor 2 is a stepping motor 2 with uniform motion, and the rotating speed of the stepping motor can be selectively set according to requirements in a manner of the prior art.
The utility model discloses, among the guiding mechanism, for example leading wheel 5 should adopt the minimum material of quality to support like carbon fiber material for it is minimum to realize rolling friction, so that turn into the required resistance of motion with resistance element.
In this example, when the motor 2 is in the process of uniform motion, after ignoring the weak resistance of the guiding system, the resistance thereof can calculate the true value through the mass of the weight and the rotation angle of the motor shaft (the angle can be obtained through the feedback of the motor 2), as shown in fig. 3, the torque thereof should be: m ═ F ═ r ═ G ═ Sin θ r. In order to improve the accuracy, a plurality of angles can be taken for verification. By directly comparing the true value with the data obtained by the measuring element, the errors caused by various frictions, the abrasion of the sample and the like in all stages of transmission are eliminated, and the calibration precision and reliability can be effectively improved.
In the description of the present invention, it is to be understood that the terms "resistance", "guide", "power", etc. are used for the relative calibration principle shown based on the examples, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the object or structure referred to must have a specific function and shape, name, etc. and therefore should not be construed as limiting the present invention.
In the present invention, unless otherwise specifically stated or limited, the terms "resistance", "guiding", "power", and the like are to be understood in a broad sense, for example, the resistance may be a weight, or other article or structure capable of continuously providing a stable force; the guide can be a rope and pulley structure, and can also be other structures with similar functions; the power can be in the form of the motor 2, or in other forms, and the power and measuring elements can be existing accessories of the device, or can be additionally added structures, unless otherwise specifically limited, and the specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The design to be explained is: the control circuit involved in the present design is a conventional technique for controlling the operation of each component and the corresponding control program. The utility model discloses the innovation that makes is for solving the use problem that meets under specific environment, makes technical development, and the research and development cost with be used for forming the cost that the utility model discloses technical scheme's cost and user bought must improve to some extent, nevertheless can not just do not do research and development or do not go to solve some technical problem because of the cost improves, consequently please the examiner can understand. And the utility model discloses model and/or size between each part only need mutual adaptation, the part that does not mention such as motor model or circuit module's relation of connection can all regard as prior art to understand, can realize the utility model discloses a principle can.
On the basis of the scheme of the utility model, the ordinary technical staff accessible in the field is in order to satisfy logical analysis and/or reason and mend the utility model discloses some not enough on the details make the utility model discloses technical scheme is more perfect and optimize. The utility model discloses perhaps can have the defect for mentioning in the background art, this defect probably is the defect that utility model people's top material did not reach, nevertheless in doing a technical development, hardly develop the technique that does not have any defect, the solution of this defect can regard as prior art to understand, and the utility model discloses the crowd that uses is only limited to the environment that needs mention in the background art and uses and can ignore this defect and continue the user of selective use. Based on this, what is claimed in the present application is only a part of the principle of the solution corresponding to the problem of the background art, and other parts, for example, how to implement the technical solution of the present application more optimally on the basis of the principle of the present application, obviously, the technical solution of the present application with clear description is not completely implemented through one development and one patent application, so the technical solution of the present application is only limited to the technical problem to be solved in the corresponding background art, and other parts can be completed in another development and patent application, or be continuously improved on the technology of the solution of the present application by other technical personnel in the art, and apply a patent to achieve the optimal using effect, all of which belong to the known ways in the art.
The drawings are only for purposes of illustrating the principles of the invention that will be readily understood by those skilled in the art. Because of the limitation of the page size of the patent application document, in order to show the principle more clearly, the proportion size between each part in the drawings may exist in the inconsistent place with the actual product, please ordinary technical personnel in this field can understand, for example, in order to highlight the structural principle of a certain part in the drawings, drawing this part big intentionally, and seem another part undersize etc. can all understand with this kind of condition, to the ordinary technical personnel in this field can know, in the principle basis of the utility model, can utilize the more reasonable design of industrialization naturally to be in the utility model discloses the more small and exquisite that each part was done on the basis, more practical is the mode that ordinary technical personnel in this field can know.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides an improve calibration accuracy's demarcation torque device which characterized in that: the motor comprises a motor shaft, the torque sensor comprises a rotating shaft, the motor shaft is fixedly connected with one end of the rotating shaft, the side part of the other end of the rotating shaft is fixedly connected with one end of the guide rope, and the other end of the guide rope is guided by the guide mechanisms of which the number is at least 1 to be fixedly connected with the resistance elements.
2. The torque calibrating device for improving the calibration accuracy of claim 1, wherein: the resistance element is a solid weight made of a material which has slow chemical reaction with air, water and the like.
3. The torque calibrating device for improving the calibration accuracy of claim 1, wherein: the shaft axis of the motor shaft and the shaft axis of the rotating shaft are on the same straight line.
4. The torque calibrating device for improving the calibration accuracy of claim 1, wherein: the guide mechanism comprises guide wheels, the guide wheels are rotatably arranged on the support, and the other ends of the guide ropes are fixedly connected with the resistance elements after being guided by the guide wheels with the number of at least 1.
5. The torque calibrating device for improving the calibration accuracy of claim 1, wherein: the motor is a stepping motor which moves at a constant speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921566105.8U CN211013362U (en) | 2019-09-20 | 2019-09-20 | Calibration torque device for improving calibration precision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921566105.8U CN211013362U (en) | 2019-09-20 | 2019-09-20 | Calibration torque device for improving calibration precision |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211013362U true CN211013362U (en) | 2020-07-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921566105.8U Active CN211013362U (en) | 2019-09-20 | 2019-09-20 | Calibration torque device for improving calibration precision |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211013362U (en) |
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2019
- 2019-09-20 CN CN201921566105.8U patent/CN211013362U/en active Active
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Address after: 518000 floor 1, No.2, Changyi industrial factory, No.1, Lirong Road, Xinshi community, Dalang street, Longhua District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Zhixin Precision Instrument Co.,Ltd. Address before: 518000 floor 1, No.2, Changyi industrial factory, No.1, Lirong Road, Xinshi community, Dalang street, Longhua District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN ZHIXIN PRECISION INSTRUMENT Co.,Ltd. |