CN206609550U - A kind of contactless device for measuring force based on safety management - Google Patents
A kind of contactless device for measuring force based on safety management Download PDFInfo
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Abstract
本实用新型公开了一种基于安全管理的非接触式测力装置，涉及力的测量技术领域。本实用新型包括底座、测力平台、承重架和非接触式位移传感器，所述的测力平台架设于底座上，并与底座之间形成一允许测力平台发生弹性形变的空腔，所述的非接触式位移传感器设于空腔内，以检测测力平台的形变量，所述的承重架设于测力平台上以承受载荷，且位于测力平台的中间。本实用新型的一种基于安全管理的非接触式测力装置，通过非接触式位移传感器检测测力平台的形变量，而测力平台的形变量与作用力的大小呈一定的关系，测得形变量即可知作用力的大小，这种非接触式的测力方式的量程更大，结构简单，且成本较低。
The utility model discloses a non-contact force measuring device based on safety management, which relates to the technical field of force measurement. The utility model comprises a base, a force-measuring platform, a load-bearing frame and a non-contact displacement sensor. The force-measuring platform is erected on the base, and a cavity is formed between the base and the base to allow elastic deformation of the force-measuring platform. The non-contact displacement sensor is arranged in the cavity to detect the deformation of the force-measuring platform, and the load-bearing is erected on the force-measuring platform to bear the load and is located in the middle of the force-measuring platform. A non-contact force-measuring device based on safety management of the utility model detects the deformation of the force-measuring platform through a non-contact displacement sensor, and the deformation of the force-measuring platform has a certain relationship with the magnitude of the force. The magnitude of the force can be known by the amount of deformation. This non-contact force measurement method has a larger measuring range, a simple structure, and a lower cost.
Description
技术领域technical field
本实用新型涉及力的测量技术领域，更具体地说，涉及一种基于安全管理的非接触式测力装置。The utility model relates to the technical field of force measurement, in particular to a non-contact force measuring device based on safety management.
背景技术Background technique
安全管理是管理科学的一个重要分支，它是为实现安全目标而进行的有关决策、计划、组织和控制等方面的活动；主要运用现代安全管理原理、方法和手段，分析和研究各种不安全因素，从技术上、组织上和管理上采取有力的措施，解决和消除各种不安全因素，防止事故的发生。例如，现有的应用在大型物品称重的称量秤，通常包括载荷接收元件，载荷接收元件通常由多个位于下方的测力传感器支撑。搁置在载荷接收元件上的物体的重量在每个测力传感器上施加某一幅度的力，施加给某一测力传感器的力的幅度与由给定的测力传感器支撑的物体的重量的一部分对应；再如汽车起重机在工作过程中，操作不当可能导致汽车起重机倾覆，如果装备测力设备，则可以监测汽车起重机主要支点的受力情况，一旦超出安全范围，可以发出警告信息，避免事故的发生。Safety management is an important branch of management science. It is an activity related to decision-making, planning, organization and control to achieve safety goals; it mainly uses modern safety management principles, methods and means to analyze and study various unsafe conditions. Factors, take effective measures from technology, organization and management to solve and eliminate various unsafe factors and prevent accidents. For example, existing weighing scales used for weighing large items usually include a load receiving element, and the load receiving element is usually supported by a plurality of load cells located below. The weight of the object resting on the load-receiving element exerts a force of some magnitude on each load cell, the magnitude of the force applied to a load cell being a fraction of the weight of the object supported by the given load cell Corresponding; Another example is that during the working process of the truck crane, improper operation may cause the truck crane to overturn. If equipped with force measuring equipment, it can monitor the force of the main fulcrum of the truck crane. Once it exceeds the safe range, a warning message can be issued to avoid accidents. occur.
但是，现有的接触式测力设备的量程较小，超量程会导致设备损坏，若想扩大量程则需采用多个接触式测力传感器，这就使得测力设备的体积和质量增大，对测力设备的使用造成了很大的不便。However, the measuring range of the existing contact force-measuring equipment is relatively small, and exceeding the measuring range will cause damage to the equipment. If you want to expand the measuring range, you need to use multiple contact force-measuring sensors, which increases the volume and quality of the force-measuring equipment. The use of force measuring equipment has caused great inconvenience.
发明内容Contents of the invention
1.实用新型要解决的技术问题1. The technical problems to be solved by the utility model
本实用新型的目的在于克服现有的接触式测力设备存在的上述不足，提供一种基于安全管理的非接触式测力装置。采用本实用新型的技术方案，测力平台架与底座之间形成一允许测力平台发生弹性形变的空腔，非接触式位移传感器设于空腔内，以检测测力平台的形变量，而测力平台的形变量与作用力的大小呈一定的关系，测得形变量即可知作用力的大小，这种非接触式的测力方式的量程更大，结构简单，且成本较低。The purpose of the utility model is to overcome the above-mentioned shortcomings existing in the existing contact force measuring equipment, and provide a non-contact force measuring device based on safety management. Adopting the technical scheme of the utility model, a cavity is formed between the force-measuring platform frame and the base to allow elastic deformation of the force-measuring platform, and a non-contact displacement sensor is arranged in the cavity to detect the deformation of the force-measuring platform, and The deformation of the force measuring platform has a certain relationship with the magnitude of the force, and the magnitude of the force can be known by measuring the deformation. This non-contact force measurement method has a larger range, a simple structure, and a lower cost.
2.技术方案2. Technical solution
为达到上述目的，本实用新型提供的技术方案为：In order to achieve the above object, the technical solution provided by the utility model is:
本实用新型的一种基于安全管理的非接触式测力装置，包括底座、测力平台、承重架和非接触式位移传感器，所述的测力平台架设于底座上，并与底座之间形成一允许测力平台发生弹性形变的空腔，所述的非接触式位移传感器设于空腔内，以检测测力平台的形变量，所述的承重架设于测力平台上以承受载荷，且位于测力平台的中间。A non-contact force-measuring device based on safety management of the utility model includes a base, a force-measuring platform, a load-bearing frame and a non-contact displacement sensor. The force-measuring platform is erected on the base and forms a a cavity that allows elastic deformation of the force-measuring platform, the non-contact displacement sensor is arranged in the cavity to detect the deformation of the force-measuring platform, the load-bearing is erected on the force-measuring platform to bear the load, and Located in the middle of the force measuring platform.
更进一步地，所述的非接触式位移传感器设于底座的中部，位于承重架的正下方，且非接触式位移传感器的位移探测方向与测力平台垂直，所述的非接触式位移传感器的位移探测部与测力平台之间留有间隙。Furthermore, the non-contact displacement sensor is located in the middle of the base, directly below the bearing frame, and the displacement detection direction of the non-contact displacement sensor is perpendicular to the force measuring platform, and the non-contact displacement sensor There is a gap between the displacement detection part and the force measuring platform.
更进一步地，所述的底座为“凹”形结构，所述的测力平台架设于底座的两端。Furthermore, the base is a "concave" structure, and the force-measuring platform is erected on both ends of the base.
更进一步地，所述的承重架为“凹”形结构，并倒设于测力平台上。Furthermore, the load-bearing frame is a "concave" structure and is placed upside down on the force-measuring platform.
更进一步地，该测力装置为对称结构。Furthermore, the force measuring device has a symmetrical structure.
更进一步地，所述的非接触式位移传感器采用磁性探测器或涡流探测器。Furthermore, the non-contact displacement sensor adopts a magnetic detector or an eddy current detector.
3.有益效果3. Beneficial effect
采用本实用新型提供的技术方案，与已有的公知技术相比，具有如下有益效果：Adopting the technical solution provided by the utility model, compared with the existing known technology, has the following beneficial effects:
(1)本实用新型的一种基于安全管理的非接触式测力装置，测力平台架与底座之间形成一允许测力平台发生弹性形变的空腔，非接触式位移传感器设于空腔内，以检测测力平台的形变量，而测力平台的形变量与作用力的大小呈一定的关系，测得形变量即可知作用力的大小，这种非接触式的测力方式的量程更大，结构简单，且成本较低。(1) A non-contact force-measuring device based on safety management of the utility model, a cavity that allows elastic deformation of the force-measuring platform is formed between the force-measuring platform frame and the base, and a non-contact displacement sensor is arranged in the cavity In order to detect the deformation of the force-measuring platform, the deformation of the force-measuring platform has a certain relationship with the magnitude of the force, and the magnitude of the force can be known by measuring the deformation. The range of this non-contact force-measuring method Larger, simpler in structure, and lower in cost.
(2)本实用新型的一种基于安全管理的非接触式测力装置，其承重架设于测力平台上以承受载荷，且位于测力平台的中间，承重架具有均布载荷的作用，保证测量结果的准确性，防止受力位置发生微小变化就影响测量结果。(2) A non-contact force-measuring device based on safety management of the present utility model, its bearing is erected on the force-measuring platform to bear the load, and is located in the middle of the force-measuring platform, and the load-bearing frame has the effect of uniform load, ensuring The accuracy of the measurement results can prevent the measurement results from being affected by small changes in the force position.
(3)本实用新型的一种基于安全管理的非接触式测力装置，其底座为“凹”形结构，测力平台架设于底座的两端，承重架为“凹”形结构，并倒设于测力平台上，底座和承重架的结构均较为简单，制造方便，生产成本较低。(3) A non-contact force-measuring device based on safety management of the utility model, its base is a "concave" structure, the force-measuring platform is erected at both ends of the base, and the load-bearing frame is a "concave" structure, and it is inverted Set on the force-measuring platform, the structure of the base and the load-bearing frame are relatively simple, the manufacture is convenient, and the production cost is low.
(4)本实用新型的一种基于安全管理的非接触式测力装置，结构对称，工作更稳定，测量结果更加准确。(4) A non-contact force measuring device based on safety management of the utility model has a symmetrical structure, more stable work and more accurate measurement results.
附图说明Description of drawings
图1为本实用新型的一种基于安全管理的非接触式测力装置的结构示意图；Fig. 1 is a structural schematic diagram of a non-contact force measuring device based on safety management of the present invention;
图2为本实用新型的一种基于安全管理的非接触式测力装置的主视图。Fig. 2 is a front view of a non-contact force measuring device based on safety management of the present invention.
示意图中的标号说明：Explanation of the labels in the schematic diagram:
1、测力平台；1-1、上表面；1-2、下表面；1-3、测力臂；2、承重架；2-1、支板；2-2、承重板；3、非接触式位移传感器；3-1、位移探测部；4、底座；5、空腔。1. Force measuring platform; 1-1, upper surface; 1-2, lower surface; 1-3, force measuring arm; 2, load-bearing frame; 2-1, support plate; 2-2, load-bearing plate; 3, non- Contact displacement sensor; 3-1. Displacement detection part; 4. Base; 5. Cavity.
具体实施方式detailed description
为进一步了解本实用新型的内容，结合附图和实施例对本实用新型作详细描述。In order to further understand the content of the utility model, the utility model is described in detail in conjunction with the accompanying drawings and embodiments.
实施例Example
结合图1和图2，本实施例的一种基于安全管理的非接触式测力装置，包括底座4、测力平台1、承重架2和非接触式位移传感器3，测力平台1架设于底座4上，并与底座4之间形成一允许测力平台1发生弹性形变的空腔5，非接触式位移传感器3设于空腔5内，以检测测力平台1的形变量，承重架2设于测力平台1上以承受载荷，且位于测力平台1的中间，该承重架2具有均布载荷的作用，保证测量结果的准确性，防止受力位置发生微小变化就影响测量结果，且该测力装置为对称结构，工作更稳定，测量结果更加准确。1 and 2, a non-contact force measuring device based on safety management in this embodiment includes a base 4, a force-measuring platform 1, a load-bearing frame 2 and a non-contact displacement sensor 3, and the force-measuring platform 1 is erected on On the base 4, a cavity 5 is formed between the base 4 and the force-measuring platform 1 to allow elastic deformation. The non-contact displacement sensor 3 is arranged in the cavity 5 to detect the deformation of the force-measuring platform 1. The load-bearing frame 2. It is set on the force measuring platform 1 to bear the load and is located in the middle of the force measuring platform 1. The bearing frame 2 has the function of uniform load distribution to ensure the accuracy of the measurement results and prevent the measurement results from being affected by small changes in the force-bearing position. , and the force measuring device is a symmetrical structure, the work is more stable, and the measurement results are more accurate.
具体地，本实施例的底座4为“凹”形结构，测力平台1架设于底座4的两端，承重架2为“凹”形结构，并倒设于测力平台1上，且测力平台1和承重架2的材质均为钢材，更具体地，承重架2包括承重板2-2和垂直固设于承重板2-2两侧的支板2-1，支板2-1的末端固设于测力平台1的上表面1-1上，如图1所示。本实施例的底座4和承重架2的结构均较为简单，制造方便，生产成本较低。Specifically, the base 4 of this embodiment has a "concave" shape structure, the force measuring platform 1 is erected on both ends of the base 4, the load-bearing frame 2 is a "concave" structure, and is placed upside down on the force measuring platform 1, and the Both the force platform 1 and the load-bearing frame 2 are made of steel. More specifically, the load-bearing frame 2 includes a load-bearing plate 2-2 and support plates 2-1 vertically fixed on both sides of the load-bearing plate 2-2. The support plate 2-1 The end is fixed on the upper surface 1-1 of the force measuring platform 1, as shown in FIG. 1 . The structure of the base 4 and the load-bearing frame 2 in this embodiment is relatively simple, easy to manufacture, and low in production cost.
本实施例的非接触式位移传感器3采用磁性探测器或涡流探测器，涡流探测器和磁性探测器的测量精度都能达到微米级，测量精度高。该非接触式位移传感器3设于底座4的中部，位于承重架2的正下方，且非接触式位移传感器3的位移探测方向与测力平台1垂直，非接触式位移传感器3的位移探测部3-1与测力平台1的下表面1-2之间留有间隙，该间隙的高度在非接触式位移传感器3的探测敏感范围内，从而保证探测灵敏度和探测精度。The non-contact displacement sensor 3 of this embodiment adopts a magnetic detector or an eddy current detector, and the measurement accuracy of both the eddy current detector and the magnetic detector can reach the micron level, and the measurement accuracy is high. The non-contact displacement sensor 3 is located in the middle of the base 4, directly below the bearing frame 2, and the displacement detection direction of the non-contact displacement sensor 3 is perpendicular to the force measuring platform 1, and the displacement detection part of the non-contact displacement sensor 3 There is a gap between 3-1 and the lower surface 1-2 of the force-measuring platform 1, and the height of the gap is within the detection sensitivity range of the non-contact displacement sensor 3, thereby ensuring detection sensitivity and detection accuracy.
本实施例通过非接触式位移传感器3检测测力平台1的形变量，而测力平台1的形变量与作用力的大小呈一定的关系，测得形变量即可知作用力的大小，这种非接触式的测力方式的量程更大。In this embodiment, the deformation amount of the force-measuring platform 1 is detected by the non-contact displacement sensor 3, and the deformation amount of the force-measuring platform 1 has a certain relationship with the magnitude of the force, and the magnitude of the force can be known by measuring the deformation amount. The non-contact force measurement method has a larger range.
更具体地，本实施例的测力平台1为杆状结构，且测力平台1的长L1＝720mm，宽W1＝200mm；承重架2的承重板2-2的长L2＝200mm，底座4长L3＝720mm；承重架2在空载状态下，非接触式位移传感器3的位移探测部3-1与测力平台1的下表面1-2之间的距离D＝1.5mm。该非接触式测力装置经过有限元分析，在承重架2的一端施加1kN的力，或者在承重架2的两端分别加500N的力，测力平台1中部的形变量是相同的。More specifically, the force-measuring platform 1 of this embodiment is a rod-shaped structure, and the length L1 of the force-measuring platform 1=720mm, and the width W1=200mm; Length L3 = 720 mm; the distance D between the displacement detection part 3 - 1 of the non-contact displacement sensor 3 and the lower surface 1 - 2 of the force measuring platform 1 is 1.5 mm when the bearing frame 2 is in an unloaded state. After finite element analysis of the non-contact force measuring device, a force of 1kN is applied to one end of the load-bearing frame 2, or a force of 500N is applied to both ends of the load-bearing frame 2, and the deformation in the middle of the force-measuring platform 1 is the same.
在测力平台1上，位于底座4和支板2-1之间的部分为测力臂1-3，即测力平台1上在承重架2的两侧分别有一个测力臂1-3，测力平台1的变形主要发生在测力臂1-3上，因此，为了保证测力臂1-3的长度，使测力臂1-3的微小变形能够在其材料弹性变形的范围内，测力平台1的长度L1取720mm，既能保证检测结果的有效性和准确性，又能使尺寸不至于太大，方便携带。On the force-measuring platform 1, the part between the base 4 and the support plate 2-1 is the force-measuring arm 1-3, that is, there is a force-measuring arm 1-3 on both sides of the load-bearing frame 2 on the force-measuring platform 1 , the deformation of the force-measuring platform 1 mainly occurs on the force-measuring arm 1-3. Therefore, in order to ensure the length of the force-measuring arm 1-3, the small deformation of the force-measuring arm 1-3 can be within the range of the elastic deformation of its material , the length L1 of the force measuring platform 1 is 720 mm, which can not only ensure the validity and accuracy of the test results, but also make the size not too large, which is convenient to carry.
本实用新型的一种基于安全管理的非接触式测力装置，通过非接触式位移传感器检测位移探测部与测力平台之间的间距变化，得到测力平台的形变量，而测力平台的形变量与作用力的大小呈一定的关系，分析得出测力平台所受到的法向压力，从而获得外加压力值或被测物体的重量。作用力与位移传感器为非接触式，不易发生损坏；测力平台微小的形变即能被检测出来，量程范围宽。本实用新型可通过改变测力平台的截面尺寸，可以改变量程范围，也可采用多个测力装置组合使用，量程则更大。A non-contact force-measuring device based on safety management of the utility model detects the distance change between the displacement detection part and the force-measuring platform through a non-contact displacement sensor to obtain the deformation of the force-measuring platform, and the force-measuring platform The amount of deformation has a certain relationship with the magnitude of the force, and the normal pressure on the force measuring platform can be obtained through analysis, so as to obtain the value of the applied pressure or the weight of the measured object. The force and displacement sensors are non-contact and not easy to be damaged; the slight deformation of the force measuring platform can be detected, and the measuring range is wide. The utility model can change the range range by changing the section size of the force measuring platform, and can also use a plurality of force measuring devices in combination, so that the measuring range is larger.
本实用新型以安全为目标，能够有效防止事故，从技术上为安全管理作出了贡献，当然，本实用新型也可用于称重领域。The utility model aims at safety, can effectively prevent accidents, and contributes technically to safety management. Of course, the utility model can also be used in the field of weighing.
以上示意性地对本实用新型及其实施方式进行了描述，该描述没有限制性，附图中所示的也只是本实用新型的实施方式之一，实际的结构并不局限于此。所以，如果本领域的普通技术人员受其启示，在不脱离本实用新型创造宗旨的情况下，不经创造性地设计出与该技术方案相似的结构方式及实施例，均应属于本实用新型的保护范围。The above has schematically described the utility model and its implementation, which is not restrictive, and what is shown in the drawings is only one of the implementation of the utility model, and the actual structure is not limited thereto. Therefore, if a person of ordinary skill in the art is inspired by it, without departing from the purpose of the utility model, without creatively designing a structural method and embodiment similar to the technical solution, all should belong to the utility model protected range.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112222377A (en) * | 2020-09-09 | 2021-01-15 | 广东联升精密机械制造有限公司 | Intelligent detection method for die-casting machine clamping force |
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2017
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112222377A (en) * | 2020-09-09 | 2021-01-15 | 广东联升精密机械制造有限公司 | Intelligent detection method for die-casting machine clamping force |
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