CN105424705B - A kind of adjustable gem refractometer - Google Patents
A kind of adjustable gem refractometer Download PDFInfo
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- CN105424705B CN105424705B CN201510944012.4A CN201510944012A CN105424705B CN 105424705 B CN105424705 B CN 105424705B CN 201510944012 A CN201510944012 A CN 201510944012A CN 105424705 B CN105424705 B CN 105424705B
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- 239000010437 gem Substances 0.000 abstract description 17
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- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
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Abstract
本发明提供了一种可调式宝石折射仪，包括折射仪主体、固定底座和调节装置，折射仪主体通过调节装置安装于固定底座上方；调节装置包括齿轮传动副和1组以上竖直安装的螺纹升降机构，固定底座中开设有调控槽，调控槽中设有第一固定柱，齿轮传动副的转动齿轮沿水平方向安装于第一固定柱上，齿轮传动副的驱动构件安装于固定底座上并且端部突出于调控槽的开口，螺纹升降机构由调节转动柱和升降盘构成，调节转动柱的下部为齿轮轴、上部为螺杆，调节转动柱通过轴承A安装于固定底座中，调节转动柱的下部与转动齿轮啮合、上部位于升降槽中，升降盘固定于折射仪主体中并且套于调节转动柱的上部；该可调式宝石折射仪结构稳定，可实现折射仪主体的高度调节。
The invention provides an adjustable gemstone refractometer, comprising a main body of the refractometer, a fixed base and an adjustment device, the main body of the refractometer is installed above the fixed base through the adjustment device; the adjustment device includes a gear transmission pair and more than one set of vertically installed screw threads The lifting mechanism is provided with a control groove in the fixed base, and a first fixed column is arranged in the control groove, the rotating gear of the gear transmission pair is installed on the first fixed column along the horizontal direction, and the driving member of the gear transmission pair is installed on the fixed base and The end protrudes from the opening of the control groove. The thread lifting mechanism is composed of an adjusting rotating column and a lifting plate. The lower part of the adjusting rotating column is a gear shaft and the upper part is a screw rod. The adjusting rotating column is installed in a fixed base through a bearing A. The lower part meshes with the rotating gear, the upper part is located in the lifting groove, and the lifting plate is fixed in the main body of the refractometer and set on the upper part of the adjusting rotating column; the adjustable jewel refractometer has a stable structure and can realize the height adjustment of the main body of the refractometer.
Description
技术领域technical field
本发明涉及一种可调式宝石折射仪，属于宝石鉴定技术领域。The invention relates to an adjustable gem refractometer, which belongs to the technical field of gem identification.
背景技术Background technique
折射仪可以确定宝石的轴性以及宝石光性符号，在使用时需要将宝石折射仪放在平台上进行操作，但由于折射仪与工作平台高度固定，以此不便于不同身高的观察人员进行观察，在观察使用时会很不方便，影响工作效率。The refractometer can determine the axiality of the gemstone and the optical symbol of the gemstone. When using it, the gemstone refractometer needs to be placed on the platform for operation, but because the height of the refractometer and the working platform is fixed, it is not convenient for observers of different heights to observe , it will be very inconvenient when observing and using, and affect work efficiency.
发明内容Contents of the invention
本发明的目的在于克服现有技术的不足并提供一种使用方便、结构稳定的可调式宝石折射仪。The object of the present invention is to overcome the deficiencies of the prior art and provide an adjustable jewel refractometer with convenient use and stable structure.
实现本发明目的所采用的技术方案为，一种可调式宝石折射仪，至少包括折射仪主体，折射仪主体的下方设有固定底座，固定底座上设有调节装置，折射仪主体通过调节装置安装于固定底座上方；所述调节装置包括齿轮传动副和1组以上竖直安装的螺纹升降机构，固定底座中开设有一端开口的调控槽，调控槽的开口位于固定底座的侧面，调控槽中沿竖直方向设有第一固定柱，齿轮传动副的转动齿轮沿水平方向安装于第一固定柱上，齿轮传动副的驱动构件安装于固定底座上并且端部突出于调控槽的开口，所述螺纹升降机构由调节转动柱和升降盘构成，调节转动柱的下部为齿轮轴、上部为螺杆，折射仪主体的底部开设有直径大于调节转动柱直径的升降槽，调节转动柱通过轴承A安装于固定底座中，调节转动柱的下部与转动齿轮啮合、上部位于升降槽中，升降盘固定于折射仪主体中并且套于调节转动柱的上部。The technical solution adopted to realize the object of the present invention is, an adjustable gemstone refractometer, at least including a refractometer main body, a fixed base is provided below the refractometer main body, an adjustment device is arranged on the fixed base, and the refractometer main body is installed through the adjustment device. above the fixed base; the adjustment device includes a gear transmission pair and more than one set of vertically installed threaded lifting mechanisms, and a control groove with an opening at one end is provided in the fixed base, and the opening of the control groove is located on the side of the fixed base, along the A first fixed column is provided in the vertical direction, and the rotating gear of the gear transmission pair is installed on the first fixed column along the horizontal direction. The thread lifting mechanism is composed of an adjusting rotating column and a lifting plate. The lower part of the adjusting rotating column is a gear shaft and the upper part is a screw rod. The bottom of the main body of the refractometer is provided with a lifting groove with a diameter larger than that of the adjusting rotating column. The adjusting rotating column is installed on the In the fixed base, the lower part of the adjusting rotating column meshes with the rotating gear, the upper part is located in the lifting groove, and the lifting plate is fixed in the main body of the refractometer and sleeved on the upper part of the adjusting rotating column.
所述驱动构件为控制齿轮，调控槽中沿竖直方向设有第一固定柱和第二固定柱，转动齿轮和控制齿轮分别沿水平方向安装于第一固定柱和第二固定柱上并且相互啮合，控制齿轮的齿部突出于调控槽的开口。The driving member is a control gear, and a first fixed column and a second fixed column are arranged vertically in the regulating groove, and the rotating gear and the control gear are respectively installed on the first fixed column and the second fixed column along the horizontal direction and are connected to each other. meshing, the teeth of the control gear protrude from the opening of the control slot.
转动齿轮通过轴承B安装于第一固定柱上，控制齿轮与第二固定柱间隙配合。The rotating gear is installed on the first fixed column through the bearing B, and the control gear is in clearance fit with the second fixed column.
所述齿轮传动副为蜗轮蜗杆机构，蜗轮为转动齿轮，蜗杆为驱动构件，蜗杆通过轴承C安装于固定底座中并且其中一端突出于固定底座外。The gear transmission pair is a worm gear mechanism, the worm wheel is a rotating gear, and the worm is a driving member. The worm is installed in the fixed base through a bearing C and one end thereof protrudes outside the fixed base.
所述蜗杆通过电动机驱动。The worm is driven by an electric motor.
所述齿轮传动副为锥齿轮传动机构，水平安装的锥齿轮为转动齿轮，竖直安装的锥齿轮轴为驱动构件，锥齿轮轴通过轴承D安装于调控槽的开口处并且其轴端突出于调控槽的开口。The gear transmission pair is a bevel gear transmission mechanism, the horizontally installed bevel gear is a rotating gear, the vertically installed bevel gear shaft is a driving member, the bevel gear shaft is installed on the opening of the regulating groove through a bearing D and its shaft end protrudes from the Control the opening of the groove.
所述锥齿轮轴通过电动机驱动。The bevel gear shaft is driven by an electric motor.
固定底座上设有与电动机电性连接的开关。A switch electrically connected to the motor is arranged on the fixed base.
所述调节装置包括齿轮传动副和3组螺纹升降机构，3组螺纹升降机构呈正三角形分布于齿轮传动副的转动齿轮周围。The adjustment device includes a gear transmission pair and 3 sets of threaded lifting mechanisms, and the 3 sets of threaded lifting mechanisms are distributed around the rotating gears of the gear transmission pair in an equilateral triangle.
所述升降盘为中间开设螺纹孔的方形盘。The lifting plate is a square plate with a threaded hole in the middle.
由上述技术方案可知，本发明提供的可调式宝石折射仪，折射仪主体通过调节装置安装于固定底座上方，调节装置包括齿轮传动副和1组以上螺纹升降机构，其中齿轮传动副用于产生扭矩并施加于螺纹升降机构上，螺纹升降机构用于将扭矩转化为直线运动，由于螺纹升降机构竖直安装，因此可通过转动齿轮传动副实现折射仪主体的高度调节，螺纹升降机构由调节转动柱和升降盘构成，调节转动柱的下部为齿轮轴、与转动齿轮啮合，调节转动柱的上部为螺杆、位于升降槽中并且与升降盘螺纹连接，升降盘固定于折射仪主体中，调节转动柱转动时升降盘在螺纹的作用下上升或下降，带动折射仪主体升降。It can be seen from the above technical solution that in the adjustable gemstone refractometer provided by the present invention, the main body of the refractometer is installed above the fixed base through the adjustment device. And applied to the threaded lifting mechanism, the threaded lifting mechanism is used to convert the torque into linear motion. Since the threaded lifting mechanism is installed vertically, the height adjustment of the main body of the refractometer can be realized by rotating the gear transmission pair. The threaded lifting mechanism is controlled by adjusting the rotating column It is composed of a lifting plate, the lower part of the adjusting rotating column is a gear shaft, which meshes with the rotating gear, and the upper part of the adjusting rotating column is a screw rod, which is located in the lifting groove and is screwed with the lifting plate. The lifting plate is fixed in the main body of the refractometer, and the adjusting rotating column When rotating, the lifting plate rises or falls under the action of the thread, driving the main body of the refractometer to rise and fall.
本发明提供的齿轮传动副可优选以下三种结构：其一为普通齿轮传动机构，包括水平安装并且相互啮合的转动齿轮和控制齿轮，控制齿轮的齿部突出于调控槽的开口，通过拨动控制齿轮突出于调控槽开口的齿部可实现控制齿轮的转动，该结构可实现折射仪主体的反复升降调节、使用方便；其二为蜗轮蜗杆机构，其中蜗轮为转动齿轮，蜗杆为驱动构件，蜗杆通过轴承C安装于固定底座中并且其中一端突出于固定底座外，蜗杆通过电动机驱动，折射仪主体的高度调节无需人力，使用方便；其三为锥齿轮传动机构，水平安装的锥齿轮为转动齿轮，竖直安装的锥齿轮轴为驱动构件，锥齿轮轴通过轴承D安装于调控槽的开口处并且其轴端突出于调控槽的开口，锥齿轮轴通过电动机驱动，折射仪主体的高度调节无需人力，使用方便。The gear transmission pair provided by the present invention can preferably have the following three structures: one is an ordinary gear transmission mechanism, which includes a rotating gear and a control gear that are installed horizontally and mesh with each other. The tooth part of the control gear protruding from the opening of the control groove can realize the rotation of the control gear. This structure can realize the repeated lifting adjustment of the main body of the refractometer and is easy to use. The worm is installed in the fixed base through the bearing C and one end protrudes from the fixed base. The worm is driven by a motor. The height adjustment of the main body of the refractometer does not require manpower and is easy to use. The third is the bevel gear transmission mechanism, and the bevel gear installed horizontally Gear, the vertically installed bevel gear shaft is the driving component, the bevel gear shaft is installed at the opening of the control groove through the bearing D and its shaft end protrudes from the opening of the control groove, the bevel gear shaft is driven by the motor, and the height of the main body of the refractometer is adjusted No manpower required, easy to use.
为保证升降盘与折射仪主体连接稳固并且不发生相对转动，升降盘设计为中间开设螺纹孔的方形盘，方形盘的四角限制升降盘在水平方向的自由度；螺纹升降机构的数量优选3组，3组螺纹升降机构呈正三角形分布于齿轮传动副的转动齿轮周围，正三角形结构稳定，该分布结构确保折射仪主体平稳上升。In order to ensure the stable connection between the lifting plate and the main body of the refractometer without relative rotation, the lifting plate is designed as a square plate with a threaded hole in the middle, and the four corners of the square plate limit the degree of freedom of the lifting plate in the horizontal direction; the number of threaded lifting mechanisms is preferably 3 groups , 3 sets of thread lifting mechanisms are distributed around the rotating gear of the gear transmission pair in a regular triangle. The regular triangle structure is stable. This distribution structure ensures that the main body of the refractometer rises steadily.
与现有技术相比，本发明提供的可调式宝石折射仪便于不同身高的观察人员进行观察，可根据观察者需求进行高度调节，使用舒适，同时在调节过程中，折射仪主体能够平稳上升，结构稳定。Compared with the prior art, the adjustable gemstone refractometer provided by the present invention is convenient for observers of different heights to observe, and the height can be adjusted according to the needs of observers, and it is comfortable to use. At the same time, the main body of the refractometer can rise steadily during the adjustment process. stable structure.
附图说明Description of drawings
图1为实施例1提供的可调式宝石折射仪的结构示意图。FIG. 1 is a schematic structural diagram of the adjustable gemstone refractometer provided in Example 1.
图2为图1的侧视图。FIG. 2 is a side view of FIG. 1 .
图3为实施例2提供的可调式宝石折射仪的结构示意图。Fig. 3 is a schematic structural diagram of the adjustable gemstone refractometer provided in Example 2.
图4为实施例3提供的可调式宝石折射仪的结构示意图。FIG. 4 is a schematic structural diagram of the adjustable gemstone refractometer provided in Embodiment 3.
其中，1-折射仪主体，2-固定底座，3-调节转动柱，4-升降盘，5-转动齿轮，6-驱动构件，7-调控槽，8-第一固定柱，9-第二固定柱，10-轴承B，11-轴承D，12-齿轮轴，13-轴承A，14-升降槽，15-升降盘安装槽，16-左螺纹升降机构，17-右螺纹升降机构，18-轴承C，19-电动机。Among them, 1-refractometer main body, 2-fixed base, 3-adjusting rotating column, 4-lifting plate, 5-rotating gear, 6-driving member, 7-regulating groove, 8-first fixing column, 9-second Fixed column, 10-bearing B, 11-bearing D, 12-gear shaft, 13-bearing A, 14-lifting groove, 15-lifting disk installation groove, 16-left thread lifting mechanism, 17-right thread lifting mechanism, 18 - bearing C, 19 - electric motor.
具体实施方式detailed description
下面结合附图和实施例对本发明进行详细具体说明，本发明的内容不局限于以下实施例。The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments, and the content of the present invention is not limited to the following embodiments.
实施例1：Example 1:
本发明提供的可调式宝石折射仪，其结构如图1和图2所示，包括折射仪主体1、固定底座2和安装于固定底座2上的调节装置，折射仪主体1通过调节装置安装于固定底座2上方；所述调节装置包括齿轮传动副和2组竖直安装的螺纹升降机构，固定底座中开设有一端开口的调控槽7，调控槽7的开口位于固定底座2的侧面，调控槽7中沿竖直方向设有第一固定柱8和第二固定柱9，齿轮传动副的转动齿轮5通过轴承B10沿水平方向安装于第一固定柱8上，齿轮传动副的驱动构件6安装于固定底座上并且端部突出于调控槽的开口，所述驱动构件6为控制齿轮，控制齿轮沿水平方向安装于第二固定柱9上并且与转动齿轮5相互啮合，控制齿轮与第二固定柱9间隙配合，控制齿轮的齿部突出于调控槽7的开口；2组螺纹升降机构分别为左螺纹升降机构16和右螺纹升降机构17，2组螺纹升降机构均由调节转动柱3和升降盘4构成，升降盘4为中间开设螺纹孔的方形盘，调节转动柱3的下部为齿轮轴12、上部为螺杆，折射仪主体的底部开设有直径大于调节转动柱直径的升降槽14，调节转动柱通过轴承A13安装于固定底座2中，调节转动柱的下部与转动齿轮5啮合、上部位于升降槽14中，升降盘固定于折射仪主体中开设的升降盘安装槽15中并且套于调节转动柱的上部。The adjustable gemstone refractometer provided by the present invention has a structure as shown in Figure 1 and Figure 2, comprising a refractometer main body 1, a fixed base 2 and an adjustment device installed on the fixed base 2, the refractometer main body 1 is installed on the fixed base 2 through the adjustment device Above the fixed base 2; the adjustment device includes a gear transmission pair and 2 sets of vertically installed threaded lifting mechanisms, and the fixed base is provided with a control groove 7 with an opening at one end. The opening of the control groove 7 is located on the side of the fixed base 2, and the control groove 7 is provided with a first fixed column 8 and a second fixed column 9 along the vertical direction, the rotating gear 5 of the gear transmission pair is installed on the first fixed column 8 along the horizontal direction through the bearing B10, and the driving member 6 of the gear transmission pair is installed On the fixed base and the end protrudes from the opening of the regulating groove, the driving member 6 is a control gear, the control gear is installed on the second fixed column 9 along the horizontal direction and meshes with the rotating gear 5, the control gear and the second fixed column The column 9 has clearance fit, and the teeth of the control gear protrude from the opening of the control groove 7; the two sets of threaded lifting mechanisms are respectively the left threaded lifting mechanism 16 and the right threaded lifting mechanism 17, and the two sets of threaded lifting mechanisms are adjusted by the rotating column 3 and the lifting mechanism. The lifting plate 4 is a square plate with a threaded hole in the middle. The lower part of the adjusting rotating column 3 is a gear shaft 12, and the upper part is a screw rod. The rotating column is installed in the fixed base 2 through the bearing A13, the lower part of the adjusting rotating column meshes with the rotating gear 5, and the upper part is located in the lifting groove 14. Turn the upper part of the column.
实施例2：Example 2:
本发明提供的可调式宝石折射仪，其结构如图3所示，包括折射仪主体1、固定底座2和安装于固定底座2上的调节装置，折射仪主体1通过调节装置安装于固定底座2上方；所述调节装置包括齿轮传动副和3组竖直安装的螺纹升降机构，固定底座中开设有一端开口的调控槽7，调控槽7的开口位于固定底座2的侧面，调控槽7中沿竖直方向设有第一固定柱8和第二固定柱9，齿轮传动副的转动齿轮5通过轴承B10沿水平方向安装于第一固定柱8上，3组螺纹升降机构呈正三角形分布于齿轮传动副的转动齿轮5周围，齿轮传动副的驱动构件6安装于固定底座上并且端部突出于调控槽的开口，所述齿轮传动副为蜗轮蜗杆机构，蜗轮为转动齿轮5，蜗杆为驱动构件6，蜗杆通过轴承C18安装于固定底座中并且其中一端突出于固定底座外，蜗杆通过电动机驱动，固定底座上设有与电动机电性连接的开关；3组螺纹升降机构均由调节转动柱3和升降盘4构成，升降盘4为中间开设螺纹孔的方形盘，调节转动柱3的下部为齿轮轴12、上部为螺杆，折射仪主体的底部开设有直径大于调节转动柱直径的升降槽14，调节转动柱通过轴承A13安装于固定底座2中，调节转动柱的下部与转动齿轮5啮合、上部位于升降槽14中，升降盘固定于折射仪主体中开设的升降盘安装槽15中并且套于调节转动柱的上部。The adjustable gemstone refractometer provided by the present invention has a structure as shown in Figure 3, including a refractometer main body 1, a fixed base 2 and an adjustment device installed on the fixed base 2, and the refractometer main body 1 is installed on the fixed base 2 through the adjustment device Above; the adjustment device includes a gear transmission pair and three sets of vertically installed threaded lifting mechanisms. A control groove 7 with an open end is provided in the fixed base. The opening of the control groove 7 is located on the side of the fixed base 2. The first fixed column 8 and the second fixed column 9 are arranged in the vertical direction, and the rotating gear 5 of the gear transmission pair is installed on the first fixed column 8 in the horizontal direction through the bearing B10. Around the rotating gear 5 of the pair, the driving member 6 of the gear transmission pair is installed on the fixed base and the end protrudes from the opening of the regulation groove. The gear transmission pair is a worm gear mechanism, the worm wheel is the rotating gear 5, and the worm is the driving member 6 , the worm is installed in the fixed base through the bearing C18 and one end protrudes from the fixed base, the worm is driven by the motor, and the fixed base is provided with a switch electrically connected to the motor; the three sets of threaded lifting mechanisms are adjusted by the rotating column 3 and the lifting The lifting plate 4 is a square plate with a threaded hole in the middle. The lower part of the adjusting rotating column 3 is a gear shaft 12, and the upper part is a screw rod. The rotating column is installed in the fixed base 2 through the bearing A13, the lower part of the adjusting rotating column meshes with the rotating gear 5, and the upper part is located in the lifting groove 14. Turn the upper part of the column.
实施例3：Example 3:
本发明提供的可调式宝石折射仪，其结构如图4所示，包括折射仪主体1、固定底座2和安装于固定底座2上的调节装置，折射仪主体1通过调节装置安装于固定底座2上方；所述调节装置包括齿轮传动副和3组竖直安装的螺纹升降机构，固定底座中开设有一端开口的调控槽7，调控槽7的开口位于固定底座2的侧面，调控槽7中沿竖直方向设有第一固定柱8和第二固定柱9，齿轮传动副的转动齿轮5通过轴承B10沿水平方向安装于第一固定柱8上，3组螺纹升降机构呈正三角形分布于齿轮传动副的转动齿轮5周围，齿轮传动副的驱动构件6安装于固定底座上并且端部突出于调控槽的开口，所述齿轮传动副为锥齿轮传动机构，水平安装的锥齿轮为转动齿轮5，竖直安装的锥齿轮轴为驱动构件6，锥齿轮轴通过轴承D11安装于调控槽的开口处并且其轴端突出于调控槽7的开口，锥齿轮轴通过电动机19驱动，固定底座上设有与电动机电性连接的开关；3组螺纹升降机构均由调节转动柱3和升降盘4构成，升降盘4为中间开设螺纹孔的方形盘，调节转动柱3的下部为齿轮轴12、上部为螺杆，折射仪主体的底部开设有直径大于调节转动柱直径的升降槽14，调节转动柱通过轴承A13安装于固定底座2中，调节转动柱的下部与转动齿轮5啮合、上部位于升降槽14中，升降盘固定于折射仪主体中开设的升降盘安装槽15中并且套于调节转动柱的上部。The adjustable gemstone refractometer provided by the present invention has a structure as shown in Figure 4, including a refractometer main body 1, a fixed base 2 and an adjustment device installed on the fixed base 2, and the refractometer main body 1 is installed on the fixed base 2 through the adjustment device Above; the adjustment device includes a gear transmission pair and three sets of vertically installed threaded lifting mechanisms. A control groove 7 with an open end is provided in the fixed base. The opening of the control groove 7 is located on the side of the fixed base 2. The first fixed column 8 and the second fixed column 9 are arranged in the vertical direction, and the rotating gear 5 of the gear transmission pair is installed on the first fixed column 8 in the horizontal direction through the bearing B10. Around the rotating gear 5 of the pair, the driving member 6 of the gear transmission pair is installed on the fixed base and the end protrudes from the opening of the regulation groove. The gear transmission pair is a bevel gear transmission mechanism, and the bevel gear installed horizontally is the rotating gear 5. The vertically installed bevel gear shaft is the driving member 6, the bevel gear shaft is installed at the opening of the regulating groove through the bearing D11 and its shaft end protrudes from the opening of the regulating groove 7, the bevel gear shaft is driven by the motor 19, and the fixed base is provided with The switch electrically connected with the motor; the three sets of thread lifting mechanisms are all composed of the adjusting rotating column 3 and the lifting plate 4, the lifting plate 4 is a square plate with threaded holes in the middle, the lower part of the adjusting rotating column 3 is the gear shaft 12, and the upper part is the Screw, the bottom of the main body of the refractometer is provided with a lifting groove 14 whose diameter is larger than that of the adjusting rotating column. The adjusting rotating column is installed in the fixed base 2 through the bearing A13. The lower part of the adjusting rotating column meshes with the rotating gear 5, and the upper part is located in the lifting groove 14 , the lifting plate is fixed in the lifting plate installation groove 15 provided in the main body of the refractometer and is sleeved on the upper part of the adjusting rotating column.
Claims (9)
- A kind of 1. adjustable gem refractometer, including at least refractometer main body, it is characterised in that：The lower section of refractometer main body is provided with Firm banking, firm banking are provided with adjusting means, and refractometer main body is installed on above firm banking by adjusting means；It is described Adjusting means includes gear driving pair and more than 1 group vertically-mounted screw thread elevating mechanism, and offering one end in firm banking opens The regulation and control groove of mouth, regulate and control the opening of groove positioned at the side of firm banking, regulate and control in groove and be vertically provided with the first fixed column, tooth The rotate gear of wheel transmission is installed in the first fixed column in the horizontal direction, and the drive member of gear driving pair is installed on fixation On base and end protrudes from the opening of regulation and control groove, and the screw thread elevating mechanism is made up of regulation Rotational Cylindrical and lifting disk, adjusts The bottom of section Rotational Cylindrical is gear shaft, top is screw rod, and the bottom of refractometer main body offers diameter, and to be more than regulation Rotational Cylindrical straight The lifting groove in footpath, regulation Rotational Cylindrical are installed in firm banking by bearing A, and the bottom and rotate gear for adjusting Rotational Cylindrical are nibbled Conjunction, top are located in lifting groove, and lifting disk is fixed in refractometer main body and is placed on the top of regulation Rotational Cylindrical.
- 2. adjustable gem refractometer according to claim 1, it is characterised in that：The drive member is control gear, The first fixed column and the second fixed column are vertically provided with regulation and control groove, rotate gear and control gear difference are in the horizontal direction It is installed in the first fixed column and the second fixed column and is intermeshed, rotate gear is installed on the first fixed column by bearing B On, control gear and the second fixed column gap to coordinate, control the teeth portion of gear to protrude from the opening of regulation and control groove.
- 3. adjustable gem refractometer according to claim 1, it is characterised in that：The gear driving pair is worm and gear Mechanism, worm gear are rotate gear, and worm screw is drive member, and worm screw is installed on by bearing C in firm banking and wherein one end Protrude from outside firm banking.
- 4. adjustable gem refractometer according to claim 3, it is characterised in that：The worm screw is driven by motor.
- 5. adjustable gem refractometer according to claim 1, it is characterised in that：The gear driving pair passes for bevel gear Motivation structure, the bevel gear being horizontally mounted are rotate gear, and vertically-mounted bevel gear shaft is drive member, and bevel gear shaft passes through axle Hold the opening that D is installed on the opening of regulation and control groove and its shaft end protrudes from regulation and control groove.
- 6. adjustable gem refractometer according to claim 5, it is characterised in that：The bevel gear shaft is driven by motor It is dynamic.
- 7. the adjustable gem refractometer according to claim 4 or 6, it is characterised in that：Firm banking be provided with it is electronic The switch that machine is electrically connected with.
- 8. adjustable gem refractometer according to claim 1, it is characterised in that：The adjusting means includes gear drive Secondary and 3 groups of screw thread elevating mechanisms, 3 groups of screw thread elevating mechanisms are distributed in around the rotate gear of gear driving pair in equilateral triangle.
- 9. adjustable gem refractometer according to claim 1, it is characterised in that：The lifting disk is that centre opens up screw thread The square plate in hole.
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| CN201510944012.4A CN105424705B (en) | 2015-12-16 | 2015-12-16 | A kind of adjustable gem refractometer |
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| CN201510944012.4A CN105424705B (en) | 2015-12-16 | 2015-12-16 | A kind of adjustable gem refractometer |
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