CN201434673Y - Three-dimensional human body size automatic measurement mechanism - Google Patents
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Abstract
本实用新型涉及一种被测量者不需要除装即可测量的三维人体尺寸自动测量机构,包括底座、横梁、装在底座和横梁间的竖直导杆,在竖直导杆上套装有沿竖直导杆上下运动的扫描装置和驱动扫描装置沿竖直导杆上下运动的动力驱动装置,扫描装置包括步进电机座、装在步进电机座上的步进电机、安装从动带轮的带轮座、设在步进电机座和带轮座间的横向导杆、连接步进电机和从动带轮的齿型带、连接在齿型带上并沿横向导杆横向运动的滑块以及安装在滑块上的红外测温仪和扫描头,该测量机构不仅体积小、重量轻、结构紧凑,而且被测量者不需要除装情况下,能快速、准确进行人体裸尺寸测量。
The utility model relates to a three-dimensional human body size automatic measuring mechanism which can be measured without removing the device, comprising a base, a beam, and a vertical guide rod installed between the base and the beam. A scanning device that moves up and down the vertical guide rod and a power drive device that drives the scanning device to move up and down along the vertical guide rod. The scanning device includes a stepping motor base, a stepping motor mounted on the stepping motor base, and a driven pulley The pulley base, the transverse guide rod between the stepping motor base and the pulley base, the toothed belt connecting the stepping motor and the driven pulley, the sliding belt connected to the toothed belt and moving laterally along the transverse guide rod Block and the infrared thermometer and scanning head installed on the slider, the measuring mechanism is not only small in size, light in weight, and compact in structure, but also can quickly and accurately measure the naked body size of the measured person without disassembly.
Description
技术领域 technical field
本实用新型涉及一种非接触式红外测量系统机械运动部分,它能快速、准确地对进行人体裸尺寸的测量,被测量者不需要除装即可测量的三维人体尺寸自动测量机构。The utility model relates to a mechanical moving part of a non-contact infrared measurement system, which can quickly and accurately measure the naked size of a human body, and is a three-dimensional automatic measurement mechanism for human body size that can be measured without removing the device.
背景技术 Background technique
目前,传统的人体测量方法主要采用软尺、角度计、测高计、测距计和滑动计等手工工具,依据测量基准对人体进行接触测量,这些方法大多建立在手工测量的基础上或凭经验观察,因而人体的某些特征点数据难以取得,且测量结果准确性差。现有的三维人体测量系统因测量原理不同,占用空间普遍都比较大,且运动机构复杂、质量大、整体移动不便,一般仅局限于实验室使用,被测量者受到一定的限制。At present, traditional anthropometric methods mainly use manual tools such as soft feet, angle gauges, altimeters, distance gauges, and slide gauges to measure the human body according to the measurement benchmark. Most of these methods are based on manual measurement or rely on Due to empirical observation, it is difficult to obtain some feature point data of the human body, and the accuracy of the measurement results is poor. Due to different measurement principles, the existing 3D anthropometric systems generally occupy a relatively large space, and the movement mechanism is complicated, the mass is large, and the overall movement is inconvenient. Generally, it is limited to laboratory use, and the measured person is subject to certain restrictions.
发明内容 Contents of the invention
为了克服现有的三维人体尺寸自动测量系统机构结构复杂、体积庞大、成本过高的不足,本实用新型提供一种三维人体尺寸自动测量机构,该测量机构不仅体积小、重量轻、结构紧凑,而且被测量者不需要除装的情况下,能快速、准确地进行人体裸尺寸的测量。In order to overcome the shortcomings of the existing three-dimensional human body size automatic measurement system with complex structure, large volume and high cost, the utility model provides a three-dimensional human body size automatic measurement mechanism, which is not only small in size, light in weight and compact in structure, Moreover, the measured person can quickly and accurately measure the naked size of the human body without removing the equipment.
本实用新型解决其技术问题所采用的技术方案是:包括底座、横梁、安装在底座和横梁之间的竖直导杆,在竖直导杆上套装有沿竖直导杆上下运动的扫描装置和驱动扫描装置沿竖直导杆上下运动的动力驱动装置,达到竖向扫描,扫描装置包括步进电机座、安装在步进电机座上的步进电机、安装从动带轮的带轮座、设置在步进电机座和带轮座之间的横向导杆、连接步进电机和从动带轮的齿型带、连接在齿型带上并沿横向导杆横向运动的滑块以及安装在滑块上的红外测温仪和扫描头,完成对人体的正面、侧面扫描。The technical scheme adopted by the utility model to solve its technical problems is: including a base, a beam, a vertical guide rod installed between the base and the beam, and a scanning device that moves up and down along the vertical guide rod is set on the vertical guide rod And the power drive device that drives the scanning device to move up and down along the vertical guide rod to achieve vertical scanning. The scanning device includes a stepping motor base, a stepping motor installed on the stepping motor base, and a pulley base for installing driven pulleys , the transverse guide rod set between the stepper motor seat and the pulley seat, the toothed belt connecting the stepper motor and the driven pulley, the slider connected to the toothed belt and moving laterally along the transverse guide rod, and the installation The infrared thermometer and scanning head on the slider complete the front and side scanning of the human body.
所述的驱动扫描装置沿竖直导杆上下运动的动力驱动装置为:在扫描装置上固定安装有丝杠螺母,在横梁与底座之间安装有丝杠,步进电机通过齿轮驱动丝杠转动。The power drive device for driving the scanning device to move up and down along the vertical guide rod is: a screw nut is fixedly installed on the scanning device, a lead screw is installed between the beam and the base, and the stepping motor drives the lead screw to rotate through the gear. .
在与丝杠螺母通过开槽紧固螺钉联接的步进电机座上固定有两台水平布置的步进电机,其输出轴上分别联接带轮,对应带轮在带轮座上安装有从动带轮,在带轮与从动带轮之间安装有同步齿型带,滑块通过压片和螺钉与同步齿型带联接,并且套装在横向导杆上。Two horizontally arranged stepper motors are fixed on the stepper motor seat connected with the lead screw nut through slotted fastening screws, and the output shafts are respectively connected with pulleys, and the corresponding pulleys are equipped with driven motors on the pulley seat. The pulley is provided with a synchronous toothed belt between the pulley and the driven pulley, and the slide block is connected with the synchronous toothed belt through pressing pieces and screws, and is set on the transverse guide rod.
固定在底座上向下布置的步进电机的输出轴上联接有齿轮,通过齿轮传动使与从动齿轮联接的丝杠旋转,丝杠下端靠向心推力球轴承支撑,上端由安装在横梁上的向心球轴承定位,由竖直导杆导向使与丝杠配合的丝杠螺母在竖直方向产生直线运动;横向导杆的一端水平插入步进电机座上的盲孔内成开放式联接,横向导杆另一端和带轮座螺纹紧固联接。The output shaft of the stepper motor fixed on the base and arranged downward is connected with a gear, and the lead screw connected with the driven gear is rotated through the gear transmission. The lower end of the lead screw is supported by a radial thrust ball bearing, and the upper end is supported by a The centripetal ball bearing is positioned, guided by the vertical guide rod so that the screw nut matched with the lead screw produces linear motion in the vertical direction; one end of the horizontal guide rod is horizontally inserted into the blind hole on the stepper motor base to form an open connection , the other end of the transverse guide rod is threadedly connected with the pulley seat.
本实用新型的有益效果是,可以自动、快速、准确地进行人体的三维人体尺寸测量,且机构的结构紧凑、体积小、重量轻,其传动准确性高,便于移动。The beneficial effect of the utility model is that it can automatically, quickly and accurately measure the three-dimensional body size of the human body, and the mechanism has a compact structure, small volume, light weight, high transmission accuracy, and is easy to move.
附图说明 Description of drawings
图1是三维人体尺寸自动测量机构的主视图。Fig. 1 is a front view of a three-dimensional human body size automatic measurement mechanism.
图2是三维人体尺寸自动测量机构的左视图。Fig. 2 is a left view of the three-dimensional human body size automatic measurement mechanism.
图3是图1的A-A剖视图。Fig. 3 is a sectional view along line A-A of Fig. 1 .
图4是图2的B向视图。Fig. 4 is a view taken along direction B of Fig. 2 .
图中1.底座,2.丝杆,3.丝杠螺母,4.横梁,5.向心推力球轴承,6.向心球轴承,7.齿轮,8.竖直导杆,9.横向导杆,10.步进电机座,11.带轮,12.带轮,13.同步齿型带,14.带轮座,15.竖直导杆,16.滑块,17.齿轮,18.带轮,19.带轮,20.同步齿型带,21.带轮座,22横向导杆,23.竖直导杆,24.滑块,25.压片,26.步进电机,27.步进电机,28.步进电机。In the figure 1. Base, 2. Screw rod, 3. Lead screw nut, 4. Beam, 5. Centripetal thrust ball bearing, 6. Centripetal ball bearing, 7. Gear, 8. Vertical guide rod, 9. Horizontal Guide bar, 10. stepper motor seat, 11. pulley, 12. pulley, 13. synchronous toothed belt, 14. pulley seat, 15. vertical guide rod, 16. slide block, 17. gear, 18 .belt pulley, 19. pulley, 20. synchronous toothed belt, 21. pulley seat, 22 horizontal guide rod, 23. vertical guide rod, 24. slide block, 25. pressing tablet, 26. stepper motor, 27. Stepping motor, 28. Stepping motor.
具体实施方式 Detailed ways
如图1、2、3、4所示,本实用新型包括底座1、横梁4、安装在底座1和横梁4之间的竖直导杆,即由底座1、横梁4和三根竖直导杆8、15、23联接组成框架结构。As shown in Figures 1, 2, 3, and 4, the utility model includes a base 1, a
在三根竖直导杆8、15、23上套装有沿三根竖直导杆8、15、23上下运动的扫描装置和驱动扫描装置沿竖直导杆上下运动的动力驱动装置,达到竖向扫描,所述的驱动扫描装置沿竖直导杆上下运动的动力驱动装置为:在扫描装置上固定安装有丝杠螺母3,在横梁4与底座1之间安装有丝杠2,步进电机26通过齿轮驱动丝杠2转动。即固定在底座1上向下布置的步进电机26的输出轴上联接有齿轮17,通过齿轮17传动使与从动齿轮7联接的丝杠2旋转,丝杠2下端靠向心推力球轴承5支撑,上端由安装在横梁4上的向心球轴承6定位,由竖直导杆导向使与丝杠2配合的丝杠螺母3在竖直方向产生直线运动;横向导杆9、22的一端水平插入步进电机座10上的盲孔内成开放式联接,横向导杆9、22另一端和带轮座14、21螺纹紧固联接。A scanning device that moves up and down along the three
扫描装置包括步进电机座10、安装在步进电机座10上的步进电机28、27、安装从动带轮19、12的带轮座21、14、设置在步进电机座10和带轮座21、14之间的横向导杆22、9、连接步进电机28、27和从动带轮19、12的同步齿型带20、13、连接在同步齿型带20、13上并沿横向导杆横向22、9运动的滑块24、16以及安装在滑块上的红外测温仪和扫描头,完成对人体的正面、侧面扫描。Scanning device comprises
在与丝杠螺母3通过开槽紧固螺钉联接的步进电机座10上固定有两台水平布置的步进电机28、27,其输出轴上分别联接带轮18、11,对应带轮18、11在带轮座21、14上安装有从动带轮19、12,在带轮18、11与从动带轮19、12之间安装有同步齿型带20、13,滑块24、16通过压片25和螺钉与同步齿型带20、13联接,并且套装在横向导杆22上。Two horizontally arranged
本测量机构主要由底座、横梁、丝杠、丝杠螺母、竖直导杆、横向导杆、步进电机、齿轮、带轮、同步齿型带和扫描装置组成。同步齿型带传动来实现扫描装置沿横向导杆的往复直线运动,完成对人体的正面、侧面扫描,丝杠和丝杠螺母构成的滑动螺旋传动来实现扫描装置的上下运动,达到竖向扫描的目的,从而可获取人体全面的数据。The measuring mechanism is mainly composed of a base, a beam, a lead screw, a lead screw nut, a vertical guide rod, a transverse guide rod, a stepper motor, a gear, a pulley, a synchronous toothed belt and a scanning device. The synchronous toothed belt drive realizes the reciprocating linear motion of the scanning device along the transverse guide rod to complete the front and side scanning of the human body, and the sliding screw drive composed of the lead screw and the lead screw nut realizes the up and down movement of the scanning device to achieve vertical scanning for the purpose of obtaining comprehensive data on the human body.
该测量机构为开放式结构,由底座、三根竖直导杆和横梁组成框架,三个步进电机驱动形成三个相对独立的运动。固定在与丝杠螺母通过开槽紧固螺钉联接的步进电机座上的两台水平布置的步进电机,其输出轴上分别联接带轮,通过安装在带轮座的从动带轮,建立起同步齿型带传动。红外测温仪和扫描头安装在滑块上,滑块通过压片由螺钉与同步齿型带联接,从而通过同步齿型带传动、横向导杆导向来实现扫描装置的横向往复直线运动,完成对人体的正面、侧面扫描。The measuring mechanism is an open structure, which consists of a base, three vertical guide rods and beams to form a frame, driven by three stepping motors to form three relatively independent movements. Two horizontally arranged stepping motors fixed on the stepping motor seat connected with the lead screw nut through slotted fastening screws, the output shafts are respectively connected with pulleys, through the driven pulley installed on the pulley seat, A synchronous toothed belt transmission is established. The infrared thermometer and the scanning head are installed on the slider, and the slider is connected with the synchronous toothed belt by screws through the pressing plate, so that the scanning device can realize the lateral reciprocating linear motion of the scanning device through the synchronous toothed belt transmission and the transverse guide rod guidance. Scan the front and side of the human body.
固定在底座上向下布置的一台步进电机的输出轴上联接齿轮,通过齿轮传动,使与从动齿轮联接的丝杠旋转,丝杠下端通过向心推力球轴承支撑,上端由向心球轴承定位,由竖直导杆导向使与丝杠配合的丝杠螺母在竖直方向产生直线运动。其中,丝杠螺母与步进电机座通过开槽紧固螺钉联接,横向导杆的一端水平插入步进电机座上的盲孔内成开放式联接,横向导杆另一端和带轮座螺纹紧固联接,带轮座通过竖直导杆导向在竖直方向产生直线运动,这样通过丝杠螺母的运动也带动同步齿型带上扫描装置的上下运动。The output shaft of a stepper motor that is fixed on the base and arranged downwards is connected with a gear, and the lead screw connected with the driven gear is rotated through the gear transmission. The lower end of the lead screw is supported by a centripetal thrust ball bearing, and the upper end is supported by a centripetal thrust ball bearing. The ball bearing is positioned and guided by the vertical guide rod so that the lead screw nut matched with the lead screw produces linear motion in the vertical direction. Among them, the lead screw nut is connected with the stepper motor seat through slotted fastening screws, one end of the transverse guide rod is horizontally inserted into the blind hole on the stepper motor seat to form an open connection, and the other end of the transverse guide rod is screwed tightly to the pulley seat. Fixed connection, the pulley seat is guided by the vertical guide rod to produce linear motion in the vertical direction, so that the movement of the screw nut also drives the up and down movement of the scanning device on the synchronous toothed belt.
本测量机构中所用导杆为圆柱面形滑动磨擦导杆,分别为两组横向导杆和三根竖直导杆,其主要特点是结构简单,导向面的加工和检验简便,易于达到较高的精度要求,但间隙不易调节。因单一圆柱导杆的运动件,除可沿其轴线方向作直线运动外,还可绕其轴线转动,因此利用辅助导向面限制滑块的转动;为减小由于间隙引起的转角误差,设计中适当地增大同一组中两根横向导杆的距离。为减小系统的惯量、减少磨擦、提高效率,以利于系统的动态响应,在所有运动件中加入铜套来减小与导杆间的滑动磨擦。其中,为了便于本导杆的安装和调试,辅助导向面的一端采用开放式结构。由于丝杠必需能正反转且不会产生自锁现象,所以滑动丝杠采用梯形螺纹。并且,梯形螺纹的强度和对中准确性较好,可消除因磨损而形成的间隙。如果螺旋副中存在间隙,当丝杠的转动方向改变时,螺旋传动将产生空回。对于在正反向传动下工作的精密螺旋传动,空回将直接引起传动误差,因此必须设法予以消除。消除空回的方法就是在保证螺旋副相对运动要求的前提下消除丝杠和螺母之间的间隙。在本装置的螺旋传动中,利用调整螺母通过径向调整法来消除空回。本测量机构中的底座除了支撑功能外,还利用其上面的压力传感器测量人体体重,为尺寸测量提供辅助数据。并且机构中所采用的MI20型红外测温仪重量仅为130克。因为两带轮的中心距较大,为了防止工作时齿型带的脱落,在主、从带轮的两侧均装有挡圈。The guide rods used in this measuring mechanism are cylindrical sliding friction guide rods, which are two sets of horizontal guide rods and three vertical guide rods respectively. Accuracy requirements, but the gap is not easy to adjust. Because the moving part of a single cylindrical guide rod can not only move linearly along its axis, but also rotate around its axis, the auxiliary guide surface is used to limit the rotation of the slider; in order to reduce the corner error caused by the clearance, the design Appropriately increase the distance between two transverse guide rods in the same group. In order to reduce the inertia of the system, reduce friction, improve efficiency, and facilitate the dynamic response of the system, copper sleeves are added to all moving parts to reduce sliding friction with the guide rod. Among them, in order to facilitate the installation and debugging of the guide rod, one end of the auxiliary guide surface adopts an open structure. Since the lead screw must be able to rotate forward and reverse without self-locking phenomenon, the sliding lead screw adopts trapezoidal thread. Also, the strength and centering accuracy of the trapezoidal thread is better, which can eliminate the gap formed by wear. If there is backlash in the screw pair, the screw drive will produce backlash when the direction of rotation of the lead screw changes. For the precision screw transmission working under the forward and reverse transmission, the empty back will directly cause the transmission error, so it must be eliminated. The way to eliminate backlash is to eliminate the gap between the screw and the nut on the premise of ensuring the relative movement requirements of the screw pair. In the screw transmission of this device, the empty back is eliminated by using the adjusting nut through the radial adjustment method. In addition to the support function, the base in the measurement mechanism also uses the pressure sensor on it to measure the body weight, providing auxiliary data for size measurement. And the MI20 infrared thermometer used in the institution weighs only 130 grams. Because the distance between the centers of the two pulleys is large, in order to prevent the toothed belt from falling off during work, retaining rings are installed on both sides of the main pulley and the slave pulley.
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Publication number | Priority date | Publication date | Assignee | Title |
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CN103307981A (en) * | 2013-06-24 | 2013-09-18 | 天津金轮自行车集团有限公司 | Laser positioner for bicycle design experiment |
US20140223973A1 (en) * | 2013-02-11 | 2014-08-14 | Mohammed Salah Mohammed Alrefaei | Automated clothing steamer |
CN113116337A (en) * | 2019-02-25 | 2021-07-16 | 无锡市第二人民医院 | Automatic whole body examination data acquisition method |
-
2009
- 2009-06-01 CN CN2009200905408U patent/CN201434673Y/en not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20140223973A1 (en) * | 2013-02-11 | 2014-08-14 | Mohammed Salah Mohammed Alrefaei | Automated clothing steamer |
EP2765236A3 (en) * | 2013-02-11 | 2016-01-13 | Mohammed Salah Mohammed Alrefaei | Automated clothing steamer |
US9469934B2 (en) * | 2013-02-11 | 2016-10-18 | Mohammed Salah Mohammed Alrefaei | Automated clothing steamer |
CN103307981A (en) * | 2013-06-24 | 2013-09-18 | 天津金轮自行车集团有限公司 | Laser positioner for bicycle design experiment |
CN113116337A (en) * | 2019-02-25 | 2021-07-16 | 无锡市第二人民医院 | Automatic whole body examination data acquisition method |
CN113116337B (en) * | 2019-02-25 | 2022-05-13 | 无锡市第二人民医院 | Automatic whole body examination data acquisition method |
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