WO2015192767A1 - 用于矿物样品检测的自动观测装置 - Google Patents

用于矿物样品检测的自动观测装置 Download PDF

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Publication number
WO2015192767A1
WO2015192767A1 PCT/CN2015/081561 CN2015081561W WO2015192767A1 WO 2015192767 A1 WO2015192767 A1 WO 2015192767A1 CN 2015081561 W CN2015081561 W CN 2015081561W WO 2015192767 A1 WO2015192767 A1 WO 2015192767A1
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Prior art keywords
hole
sample
stepping motor
screw
ear plate
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PCT/CN2015/081561
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English (en)
French (fr)
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宋鹰
赵玉明
杨伟超
亓颖
斯特帕申科夫•安德烈
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中国石油大学(华东)
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Application filed by 中国石油大学(华东) filed Critical 中国石油大学(华东)
Priority to US14/909,732 priority Critical patent/US9506857B2/en
Publication of WO2015192767A1 publication Critical patent/WO2015192767A1/zh

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
    • G01N21/4133—Refractometers, e.g. differential
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/87—Investigating jewels
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/38—Concrete; Lime; Mortar; Gypsum; Bricks; Ceramics; Glass
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/02—Mechanical
    • G01N2201/025—Mechanical control of operations

Definitions

  • the invention belongs to the field of experimental detection, and in particular relates to an automatic observation device for detecting mineral samples, which is used for realizing fixation, automatic rotation and automatic observation of mineral samples.
  • the finger can not eliminate the stray light interference in the external environment during the rotation process, and it is difficult to ensure the close and stable contact between the mineral sample to be tested and the optical surface, so that the observer cannot observe from the optical instrument.
  • the accurate optical properties of the mineral samples are measured, which ultimately leads to a large error in the mineral identification results.
  • the fingers can easily get contaminated with highly toxic oil, which harms the health of the appraisers and pollutes the environment.
  • Patent No. CN200420017243.8 a utility model patent "a gemstone fixing and rotating device” discloses a device for fixing and rotating a gemstone.
  • the left side positioning slider rail and the right side positioning are respectively arranged on both sides of the main frame body.
  • the slider guide rail is inserted into the center hole of the main frame body, and the gemstone pressing rod has a gemstone positioning head fixing hole at the shaft end of the gemstone pressing rod.
  • the utility model is highly dependent on the experience and proficiency of the tester, and cannot reliably fix the optical instrument, and can not realize accurate and automatic quantitative rotation of the sample, and cannot eliminate the stray light interference in the contact surface and the observation eyepiece, and cannot save the observation result. .
  • the present invention provides an automatic observation device for detecting mineral samples, which uses a mechanical device to fix the sample, which not only fixes the sample conveniently and efficiently, but also accurately controls the rotation of the sample by a computer controlled stepping motor, and The image observed in the eyepiece is transmitted to the computer screen through the camera and can be saved to the specified file, thereby improving the efficiency of the mineral sample detection and the accuracy of the identification, and reducing the proficiency and experience of the mineral detector.
  • Automatic observation device for mineral sample detection including: base, support arm frame, sample holder, stepping motor, high-definition camera, control system; refractometer fixed on the base; support arm frame is L-shaped, top end is vertical To the through hole, the lifting rod passes through the vertical through hole and is matched with the vertical through hole shape; the lifting rod is a cylinder with a round table at the top; the cylinder of the lifting rod has a transmission rack on one side, and the lifting rod is provided therein Vertical through hole; the top end of the lifting table of the lifting rod is equipped with a stepping motor, and the output shaft of the stepping motor is connected to the sample holder through the vertical through hole of the lifting rod, and the output shaft of the sample holder and the stepping motor is a shaft hole Cooperating with the interference connection; the top end of the support arm has a cavity, the gear is mounted with a gear, and the gear meshes with the rack of the lifting rod; the transmission shaft horizontally passes through the center of the gear and is fixedly connected with the gear, and
  • the beneficial effects of the invention are as follows: the mineral sample is fixed by a mechanical device, and the sample is fixed and convenient; the mechanical environment is used to seal the observation environment, and the stray light interference is eliminated; the sample is performed by using the electromechanical control device. Quantitative rotation enables observation of rotation of mineral samples at different angles; digital signal transmission is used to observe mineral sample test results and improve mineral sample detection accuracy.
  • Figure 1 is a front elevational view of an automatic observation device for mineral sample detection
  • Figure 2 is a top plan view of an automatic observation device for mineral sample detection
  • Figure 3 is a left side view of an automatic observation device for mineral sample detection
  • FIG. 4 is a cross-sectional view of a lifting rod of an automatic observation device for mineral sample detection.
  • the automatic observation device for mineral sample detection includes: a base 1, a support arm 2, a sample holder 3, a stepping motor 4, a high-definition camera 5, and a control system 6.
  • the base 1 is a metal rectangular plate, and the four corners of the base 1 are provided with through holes 11 through which four screws pass.
  • the through hole 11 fixes the base 1 to the table top;
  • the base 1 is provided with a first ear plate 121, a second ear plate 122, and a third ear plate 123.
  • the base 1 is embedded with a support arm frame 2;
  • the first ear plate 121 is The third ear plate 123 is oppositely disposed, and the second ear plate 122 is disposed opposite to the support arm frame 2, and the connection between the first ear plate 121 and the third ear plate 123 is perpendicular to the connection between the second ear plate 122 and the support arm frame 2.
  • the first ear plate 121 is provided with a threaded through hole, and the first screw 131 is installed in the threaded through hole;
  • the second ear plate 122 is provided with a threaded through hole, and the second screw 132 is in the threaded through hole;
  • the third ear plate 123 is a threaded through hole, a third screw 133 in the threaded through hole;
  • a threaded through hole is formed in the lower end of the support arm frame, and a fourth screw 134 is installed in the threaded through hole; the first screw 131, the second screw 132, and the third screw 133.
  • the fourth screw 134 is located in the same horizontal plane parallel to the bottom plate 1.
  • the first screw 131, the second screw 132, the third screw 133, and the fourth screw 134 can be screwed in or out to fix the refractometer 7.
  • the support arm frame 2 is L-shaped for supporting the lifting rod 211;
  • the top end of the support arm frame 2 is provided with a vertical through hole, and the lifting rod 211 passes through the vertical through hole and is shaped to match the vertical through hole;
  • the lifting rod 211 is a cylindrical body, and the top end is provided with a circular table; the lifting rod 211 has a driving rack 215 on one side of the cylinder, and a vertical through hole in the lifting rod 211; the stepping motor 4 is arranged at the top of the round table of the lifting rod 211
  • the output shaft 411 of the stepping motor 4 is connected to the sample holder 3 through the vertical through hole of the lifting rod 211, and the sample holder 3 and the stepping motor output shaft 411 are matched with the shaft hole to avoid the sample holder. 3 and the stepper motor output shaft 411 produces relative motion;
  • the top end of the support boom 2 has a cavity in which a gear 216 is mounted, and the gear 216 meshes with the rack 215 of the lift rod; the drive shaft 217 horizontally passes through the center of the gear 216 and is fixedly coupled with the gear 216, and the drive shaft 217
  • the cross section is a regular hexagon.
  • the two ends of the transmission shaft 217 are respectively provided with a left knob 212 and a right twist 214.
  • the left knob 212 and the right twist 214 can rotate the gear 216 to drive the lifting rod 211 to complete and lower.
  • Running downward; the lifting rod 211 is positioned by a positioning pin 213 placed at the upper end of the support boom 2.
  • the sample holder 3 is a top hexagonal prism housing closed at the top end.
  • the vertical hole of the sample holder 3 is provided with a spring 312.
  • the lower end of the spring 312 is provided with a sample positioning head mounter 314, and the sample positioning head mounter 314 is stuck by the pin 313.
  • the vertical hole of the sample holder 3 is prevented from coming out;
  • the lower end of the sample positioning head holder 314 is a blind hole, the blind hole has a regular hexagonal cross section, and the sample positioning head 316 has a regular hexagonal cross section, which cooperates with the blind hole of the lower end of the sample positioning head holder 314; the sample positioning head holder 314 is The magnetized, sample positioning head 316 made of metal is adsorbed in the blind hole; a soft rubber pad 315 is attached to the lower end of the sample positioning head 316, and the soft rubber pad 315 is used to directly contact the sample to be tested to fix the sample.
  • a rubber cup 311 is disposed outside the sample positioning head holder 314. During the detection, the rubber cup 311 can shield external light to form a sealed space.
  • the rotational motion of the stepper motor output shaft 411 is sequentially transmitted to the sample positioning head 316 via the sample holder 3, the sample positioning head holder 314, and the sample positioning head 316 rotates the detected mineral sample.
  • the high-definition camera 5 is disposed in the airtight cover 511.
  • the airtight cover 511 is placed in the refractometer to observe the eyepiece hole, and the high-definition camera 5 can read the refractometer to observe the eyepiece hole in real time.
  • the high-definition camera 5 is connected to the data card 513 through the first transmission cable 512, and the data card 513 is connected to the control system 6 through the second transmission cable 514.
  • the first transmission cable 512 is used.
  • the observed information is transmitted to the data card 513, and the information is sent to the control system 6 via the second transmission cable 514 via the trailing edge of the data card 513; the control system 6 can observe the image in the eyepiece, and can also store and output the observed image to the designated In the file.
  • the stepping motor 4 is connected to the stepping motor driver 413 through a third transmission cable 412, and the stepping motor drive
  • the actuator 413 is coupled to the stepper motor drive card 415 via a fourth transmission cable 414, which is coupled to the control system 6 via a fifth transmission cable 416.
  • the control system 6 issues a stepper motor drive signal, which is transmitted via the transmission cable 416 to the stepper motor drive card 415.
  • the stepper motor drive card 415 converts the drive signal into a drive pulse and transmits it to the stepper motor driver 413 via the transmission cable 414.
  • the motor driver 413 issues a stepping motor drive signal, which is transmitted to the stepping motor 4 via the transmission cable 412, and the driving of the stepping motor 4 is completed.
  • the control system 6 controls the rotational motion of the stepping motor 4, and the control system 6 can realize 90°, 180°, 360° rotation or continuous rotation of the stepping motor; the rotation angle of the detected mineral sample is directly determined by the rotation angle of the stepping motor 4 .
  • the control system 6 can input a specified angle, the stepper motor 4 is rotated to a specified angle, and the control system 6 can automatically save and input the image into the specified file.

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  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
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Abstract

一种用于矿物样品检测的自动观测装置包括：底座（1）、支撑臂架（2）、样品固定器（3）、步进电机（4）、高清摄像头（5）、控制系统（6）；折射仪固定于底座（1）上；支撑臂架（2）顶端设有竖向通孔，升降杆（211）穿过竖向通孔并与竖向通孔形状配合；支撑臂架（2）的顶端开有空腔，空腔内安装有齿轮（216），齿轮（216）与升降杆（211）的齿条（215）啮合；样品固定器（3）为顶端封闭的正六棱柱壳体，样品固定器的竖直孔内装有弹簧（312），弹簧（312）下端设有样品定位头固定器（314），样品定位头固定器（314）下端为盲孔，样品定位头（316）与样品定位头固定器（314）下端盲孔相配合。该装置固定样品方便高效，排除了杂光干扰，实现了对矿物样品的不同角度的旋转观察，提高矿物样品检测准确度。

Description

用于矿物样品检测的自动观测装置 技术领域
本发明属于实验检测领域，具体地，涉及一种用于矿物样品检测的自动观测装置，用于实现对矿物样品的固定、自动旋转、自动观测。
背景技术
目前，公知的通过一些光学仪器对矿物样品进行观察和鉴别时大都采取将样品放置在涂有折射油的光学表面上，用手来固定并旋转矿物样品，然后用眼直接从目镜窗口中观察，从而得到样品旋转不同角度的观察读数。此种方法不仅操作复杂效率低下，很大程度上依赖于检测人员熟练程度和经验，而且不能够实现定量旋转样品，目镜窗口尺寸过于狭窄也给观察和鉴别工作带来了很大的不便，观察到的图像也无法存档。同时，由于样品观察环境不密封，手指在旋转过程中无法排除外界环境的杂光干扰，也很难保证待测矿物样品与光学表面的紧密稳定接触，使观察者无法从光学仪器中观察到待测矿物样品的准确光学特性，最终导致得出矿物鉴别结果误差较大。在用手固定和旋转较小的矿物样品时，手指会很容易沾上剧毒的折射油，危害鉴定人员的身体健康，对环境造成污染。
专利号为CN200420017243.8的实用新型专利“一种宝石固定和旋转装置”公开了一种用于宝石固定和旋转的装置，主架体两侧分别设有左侧定位滑块导轨和右侧定位滑块导轨，旋转刻度盘中心体插入到主架体的中心孔中，宝石压杆的宝石压杆轴端处设有宝石定位头固定孔。使用时，先调整两端的旋转定位螺杆手柄使装置固定在光学仪器上，旋转外螺纹升降螺栓手柄调节宝石定位头的上下位置，使其压紧固定宝石，然后可以通过旋转旋转刻旋度盘实现对宝石各个角度的 观察。该实用新型，高度依赖检测人员的经验和熟练程度，无法对光学仪器进行可靠固定，不能实现样品的准确自动定量旋转，无法排除接触面和观测目镜内的杂光干扰，无法对观测结果进行保存。
发明内容
为了克服现有技术中用手夹持矿物样品、用眼从目镜窗口直接观测效率低、误差大、不能定量准确观察矿物的光学特性、容易危害鉴别者的身体健康以及人手不能稳定固定样品、排除杂光干扰的不足，本发明提供一种用于矿物样品检测的自动观测装置，利用机械装置对样品进行固定，不仅固定样品方便高效，而且通过电脑控制步进电机对样品进行准确定位旋转，并通过摄像头将目镜中观察到的图像传输到电脑屏幕上，并可以保存到指定文件中，从而提高矿物样品检测的工作效率和鉴别的准确度，降低了对矿物检测人员熟练程度和经验的要求。
为实现上述目的，本发明所采用的技术方案如下：
用于矿物样品检测的自动观测装置，包括：底座、支撑臂架、样品固定器、步进电机、高清摄像头、控制系统；折射仪固定于底座上；支撑臂架呈L形，顶端设有竖向通孔，升降杆穿过竖向通孔并与竖向通孔形状配合；升降杆为圆柱体，顶端带有圆台；升降杆的圆柱体一侧带有传动齿条，升降杆内设有竖向通孔；升降杆的圆台顶端装有步进电机，步进电机的输出轴穿过升降杆的竖向通孔后与样品固定器相连，样品固定器与步进电机输出轴为轴孔配合过盈连接；支撑臂架的顶端开有空腔，空腔内安装有齿轮，齿轮与升降杆的齿条啮合；传动轴水平穿过齿轮的中心并与齿轮固定连接，传动轴横截面为正六边形，传动轴的两端分别设有左旋钮、右旋扭，升降杆由置于支撑臂架上端的定位销定位；样品固定器为顶 端封闭的正六棱柱壳体，样品固定器的竖直孔内装有弹簧，弹簧下端设有样品定位头安装器，样品定位头安装器被销子卡在样品固定器的竖直孔内以防脱出；样品定位头固定器下端为盲孔，盲孔截面为正六边形，样品定位头横截面为正六边形，与样品定位头固定器下端盲孔相配合；样品定位头固定器被磁化，金属制成的样品定位头被吸附在盲孔内；样品定位头下端粘贴有软橡胶垫；高清摄像头通过第一传输电缆与数据卡相连，数据卡通过第二传输电缆与控制系统连接；步进电机通过第三传输电缆与步进电机驱动器相连，步进电机驱动器通过第四传输电缆与步进电机驱动卡相连，步进电机通过第五传输电缆与控制系统相连。
相对于现有技术，本发明专利的有益效果如下：利用机械装置对矿物样品进行固定，固定样品方便高效；利用机械装置对观测环境进行密封，排除了杂光干扰；利用机电控制设备对样品进行定量旋转，实现了对矿物样品的不同角度的旋转观察；利用数字信号传输观测矿物样品测试结果，提高矿物样品检测准确度。
附图说明
图1是用于矿物样品检测的自动观测装置的主视示意图；
图2是用于矿物样品检测的自动观测装置的俯视示意图；
图3是用于矿物样品检测的自动观测装置的左视示意图；
图4是用于矿物样品检测的自动观测装置的升降杆的剖视图。
具体实施方式
如图1所示，用于矿物样品检测的自动观测装置，包括：底座1、支撑臂架2、样品固定器3、步进电机4、高清摄像头5、控制系统6。
底座1为金属矩形板，底座1的四个角处均设有通孔11，通过四个螺钉穿过 通孔11将底座1固定于桌面上；底座1上设有第一耳板121、第二耳板122、第三耳板123，底座1上嵌有支撑臂架2；第一耳板121与第三耳板123相对设置，第二耳板122与支撑臂架2相对设置，第一耳板121与第三耳板123的连线与第二耳板122与支撑臂架2的连线垂直；第一耳板121上开有螺纹通孔，螺纹通孔内安装第一螺钉131；第二耳板122上开有螺纹通孔，螺纹通孔内第二螺钉132；第三耳板123上开有螺纹通孔，螺纹通孔内第三螺钉133；支撑臂架2下端开有螺纹通孔，该螺纹通孔内安装第四螺钉134；第一螺钉131、第二螺钉132、第三螺钉133、第四螺钉134位于与底板1平行的同一水平面内，第一螺钉131、第二螺钉132、第三螺钉133、第四螺钉134可旋入或旋出以固定折射仪7。
支撑臂架2呈L形，用于对升降杆211进行支撑；
支撑臂架2的顶端设有竖向通孔，升降杆211穿过竖向通孔并与竖向通孔形状配合；
升降杆211为圆柱体，顶端带有圆台；升降杆211的圆柱体一侧带有传动齿条215，升降杆211内设有竖向通孔；升降杆211的圆台顶端装有步进电机4，步进电机4的输出轴411穿过升降杆211的竖向通孔后与样品固定器3相连，样品固定器3与步进电机输出轴411为轴孔配合过盈连接,避免样品固定器3与步进电机输出轴411产生相对运动；
支撑臂架2的顶端开有空腔，空腔内安装有齿轮216，齿轮216与升降杆的齿条215啮合；传动轴217水平穿过齿轮216的中心并与齿轮216固定连接，传动轴217横截面为正六边形，传动轴217的两端分别设有左旋钮212、右旋扭214，旋转左旋钮212、右旋扭214可使齿轮216转动从而带动升降杆211升降完成上 下运行；升降杆211由置于支撑臂架2上端的定位销213定位。
样品固定器3为顶端封闭的正六棱柱壳体，样品固定器3的竖直孔内装有弹簧312，弹簧312下端设有样品定位头安装器314，样品定位头安装器314被销子313卡在样品固定器3的竖直孔内以防脱出；
样品定位头固定器314下端为盲孔，盲孔截面为正六边形，样品定位头316横截面为正六边形，与样品定位头固定器314下端盲孔相配合；样品定位头固定器314被磁化，金属制成的样品定位头316被吸附在盲孔内；样品定位头316下端粘贴有软橡胶垫315，软橡胶垫315用于直接与被检测样品相接触，对样品进行固定。
样品定位头固定器314外部设有橡胶皮碗311，检测过程中橡胶皮碗311可以屏蔽外部光线，形成密闭空间。
步进电机输出轴411的旋转运动依次经样品固定器3、样品定位头固定器314传递至样品定位头316，由样品定位头316转动被检测矿物样品。
高清摄像头5设在密闭罩511内，使用时将密闭罩511置于折射仪观察目镜孔处，高清摄像头5即可实时读取折射仪观察目镜孔处画面。
高清摄像头5通过第一传输电缆512与数据卡513相连，数据卡513通过第二传输电缆514与控制系统6连接；高清摄像头5读取折射仪观察孔画面后，由第一传输电缆512将所观测到的信息传送至数据卡513，信息经数据卡513后沿由第二传输电缆514输送至控制系统6；控制系统6可观察目镜内的图像，还可将观测图像进行存储并输出到指定文件当中。
步进电机4通过第三传输电缆412与步进电机驱动器413相连，步进电机驱 动器413通过第四传输电缆414与步进电机驱动卡415相连，步进电机驱动卡415通过第五传输电缆416与控制系统6相连。
控制系统6发出步进电机驱动信号，经传输电缆416传输至步进电机驱动卡415，步进电机驱动卡415将驱动信号转换为驱动脉冲经传输电缆414传输至步进电机驱动器413，步进电机驱动器413发出步进电机驱动信号，经由传输电缆412传送至步进电机4，完成对步进电机4的驱动。
控制系统6控制步进电机4的旋转运动，控制系统6可实现步进电机90°、180°、360°旋转或连续旋转；被检测矿物样品的旋转角度由步进电机4的旋转角度直接确定。当步进电机4处于连续旋转工作模式下，控制系统6可输入指定角度，步进电机4旋转至指定角度，控制系统6可将图像自动保存并输入到指定文件中。

Claims (6)

  1. 一种用于矿物样品检测的自动观测装置，包括：底座、支撑臂架、样品固定器、步进电机、高清摄像头、控制系统；其特征在于：折射仪固定于底座上；支撑臂架呈L形，顶端设有竖向通孔，升降杆穿过竖向通孔并与竖向通孔形状配合；升降杆为圆柱体，顶端带有圆台；升降杆的圆柱体一侧带有传动齿条，升降杆内设有竖向通孔；升降杆的圆台顶端装有步进电机，步进电机的输出轴穿过升降杆的竖向通孔后与样品固定器相连，样品固定器与步进电机输出轴为轴孔配合过盈连接；支撑臂架的顶端开有空腔，空腔内安装有齿轮，齿轮与升降杆的齿条啮合；传动轴水平穿过齿轮的中心并与齿轮固定连接，传动轴横截面为正六边形，传动轴的两端分别设有左旋钮、右旋扭，升降杆由置于支撑臂架上端的定位销定位；样品固定器为顶端封闭的正六棱柱壳体，样品固定器的竖直孔内装有弹簧，弹簧下端设有样品定位头安装器，样品定位头安装器被销子卡在样品固定器的竖直孔内以防脱出；样品定位头固定器下端为盲孔，盲孔截面为正六边形，样品定位头横截面为正六边形，与样品定位头固定器下端盲孔相配合；样品定位头固定器被磁化，金属制成的样品定位头被吸附在盲孔内；样品定位头下端粘贴有软橡胶垫；高清摄像头通过第一传输电缆与数据卡相连，数据卡通过第二传输电缆与控制系统连接；步进电机通过第三传输电缆与步进电机驱动器相连，步进电机驱动器通过第四传输电缆与步进电机驱动卡相连，步进电机通过第五传输电缆与控制系统相连。
  2. 根据权利要求1所述的用于矿物样品检测的自动观测装置，其特征在于：控制系统控制步进电机的旋转运动，实现步进电机90°、180°、360°旋转或连 续旋转；被检测矿物样品的旋转角度由步进电机的旋转角度直接确定，当步进电机处于连续旋转工作模式下，控制系统可输入指定角度，步进电机旋转至指定角度，控制系统可将图像自动保存并输入到指定文件中。
  3. 根据权利要求1-2所述的用于矿物样品检测的自动观测装置，其特征在于：高清摄像头设在密闭罩内。
  4. 根据权利要求1-3所述的用于矿物样品检测的自动观测装置，其特征在于：样品定位头固定器外部设有橡胶皮碗。
  5. 根据权利要求1-4所述的用于矿物样品检测的自动观测装置，其特征在于：底座为金属矩形板，底座的四个角处均设有通孔，通过四个螺钉穿过通孔将底座固定于桌面上。
  6. 根据权利要求1-5所述的用于矿物样品检测的自动观测装置，其特征在于：底座上设有第一耳板、第二耳板、第三耳板，底座上嵌有支撑臂架；第一耳板与第三耳板相对设置，第二耳板与支撑臂架相对设置，第一耳板与第三耳板的连线与第二耳板与支撑臂架的连线垂直；第一耳板上开有螺纹通孔，螺纹通孔内安装第一螺钉；第二耳板上开有螺纹通孔，螺纹通孔内第二螺钉；第三耳板上开有螺纹通孔，螺纹通孔内第三螺钉；支撑臂架下端开有螺纹通孔，该螺纹通孔内安装第四螺钉；第一螺钉、第二螺钉、第三螺钉、第四螺钉位于与底板平行的同一水平面内，第一螺钉、第二螺钉、第三螺钉、第四螺钉可旋入或旋出以固定折射仪。
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