WO2017059661A1 - 一种具有伸缩护盖保护装置的水准仪 - Google Patents

一种具有伸缩护盖保护装置的水准仪 Download PDF

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Publication number
WO2017059661A1
WO2017059661A1 PCT/CN2016/077161 CN2016077161W WO2017059661A1 WO 2017059661 A1 WO2017059661 A1 WO 2017059661A1 CN 2016077161 W CN2016077161 W CN 2016077161W WO 2017059661 A1 WO2017059661 A1 WO 2017059661A1
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disposed
telescopic
eyepiece
protection device
telescope
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PCT/CN2016/077161
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English (en)
French (fr)
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张萍
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张萍
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Publication of WO2017059661A1 publication Critical patent/WO2017059661A1/zh

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels

Definitions

  • the invention relates to a level gauge with a telescopic cover protection device, belonging to the field of engineering measurement.
  • the level is an instrument that establishes a horizontal line of sight to determine the height difference between two points on the ground.
  • the principle is to measure the height difference between ground points according to the leveling principle.
  • a telescope is provided on the level, wherein the telescope includes an eyepiece and an objective lens.
  • the objective lens and the eyepiece are easily touched, causing wear of the lens, causing damage to the entire level, high cost, short service life, and when measuring with a level gauge.
  • the level of the level must be ensured to avoid the leveling of the level and damage.
  • the technical problem to be solved by the present invention is to provide a level gauge with a telescopic cover protection device in order to overcome the deficiencies of the prior art.
  • a level gauge having a telescopic cover protection device, comprising a telescope, a level, a base, a bracket and a control device, wherein the level is disposed on the base, The telescope is disposed on a side above the level, and the base is disposed on the bracket;
  • An operation interface is disposed above the telescope, the telescope includes an eyepiece and an objective lens, and the eyepiece and the objective lens are respectively disposed at two ends of the telescope, and the end of the end of the eyepiece and the objective lens are respectively provided with a telescopic cover, and the telescopic
  • the cover is divided into an upper cover and a lower cover having the same structure, the upper cover and the lower cover respectively comprise a plurality of expansion plates, the leveling device comprises a leveling tube and a circular level, the circular level is arranged at the lower end of the leveling tube ;
  • the base includes an upper base and a lower base, a foot screw is disposed between the upper base and the lower base, the circular level is disposed above the upper base, and the bracket includes a plate and a support a rod connected to the lower base by a connecting screw, the lower end of the strut is provided with a leg, and the bottom surface of the leg is provided with
  • the anti-slip pattern the control device comprises a driving circuit and a motor, the motor is connected in the driving circuit, and an output end of the motor is connected to the expansion plate.
  • the telescopic plate comprises a central expansion plate and a plurality of edge expansion plates, wherein the central expansion plate is provided with a fixed pulley, a communication cavity is arranged in the middle of the edge expansion plate, and a spring is arranged inside the communication cavity.
  • a storage chamber is disposed in the eyepiece and the objective end housing, and a reel is disposed on an outer side of the storage chamber, and the fixed pulley and the reel are connected by a steel wire, and an output end of the motor is connected to the reel.
  • one end of the wire on both sides of the fixed pulley is connected to the reel, and one end is fixedly connected to the inner wall of the storage chamber.
  • the operation interface is provided with a start button, a stop button, a forward button and a reverse button.
  • a sight beam is disposed above the objective lens
  • a photo door is disposed above the eyepiece
  • an eyepiece focusing spiral is disposed on the eyepiece
  • a braking spiral is disposed at a lower end of the objective lens
  • a side of the telescope is disposed The objective lens adjusts the spiral.
  • one side of the vial is provided with a vial bubble observation window.
  • the lower end of the circular level is provided with a circular level correction spiral, and two ends of the circular level are respectively provided with a micro-motion spiral and a micro-tilt spiral.
  • the driving circuit comprises a forward rotation driving circuit and an inversion driving circuit, wherein the motor is respectively connected in the forward rotation driving circuit and the reverse driving circuit, and the start key and the stop key are respectively connected to the forward rotation driving circuit and In the inversion driving circuit, the forward rotation key is connected in a forward rotation drive circuit, and the reverse rotation key is connected in the reverse rotation drive circuit.
  • the strut is hinged to a side of the platen, the strut includes a telescopic shaft and a tightening knob, and the telescopic shaft is provided with a scale.
  • the telescope is internally provided with a cross wire reticle and a pair of light lenses, the cross wire
  • the reticle is disposed inside the eyepiece, and the pair of optical lenses are disposed inside the crosshair reticle.
  • the utility model has the beneficial effects that the level gauge with the telescopic cover protection device prevents the lens of the telescope and the lens of the objective lens from being touched during use, thereby avoiding the phenomenon of lens damage and reducing the damage rate. And cost, prolong the service life, because the bottom surface of the foot is provided with anti-slip pattern, which can prevent the leveling device from tipping during use, further reducing the damage rate.
  • FIG. 1 is a schematic structural view of a leveling device with a telescopic cover protection device of the present invention
  • FIG. 2 is a schematic structural view of a leveling device with a telescopic cover protection device of the present invention
  • FIG. 3 is a schematic structural view of the leveling device of the leveling device with the telescopic cover protection device of the present invention when the telescopic cover is closed;
  • FIG. 4 is a schematic structural view of the leveling device of the leveling device with the telescopic cover protection device of the present invention when the telescopic cover is opened;
  • Figure 5 is a schematic diagram showing the control of the telescopic cover of the leveling device with the telescopic cover protection device of the present invention
  • a leveling device with a telescopic cover protection device includes a telescope, a leveling device, a base, a bracket and a control device.
  • the leveling device is disposed on the base, and the telescope is disposed on the leveling device.
  • the base is disposed on the bracket;
  • An operation interface 1 is disposed above the telescope, the telescope includes an eyepiece 2 and an objective lens 3, and the eyepiece 2 and the objective lens 3 are respectively disposed at two ends of the telescope, and the end of the end of the eyepiece 2 and the objective lens 3 are disposed a telescopic cover, which is divided into an upper cover and a lower cover having the same structure, the upper cover and the lower cover respectively comprise a plurality of expansion plates, and the leveler comprises a level pipe 4 and a circular level 5, The circular level 5 is disposed at the lower end of the vial 4;
  • the base includes an upper base 6 and a lower base 7, and a foot screw 8 is disposed between the upper base 6 and the lower base 7, and the circular level 5 is disposed above the upper base 6,
  • the bracket includes a platen 9 and a strut 10, and the platen 9 is connected to the lower base 7 via a connecting screw 11.
  • the lower end of the strut 10 is provided with a leg 12, and the bottom surface of the leg 12 is provided with an anti-slip pattern.
  • the control device comprises a drive circuit and a motor 13, the motor 13 being connected to the drive circuit, the output of the motor 13 being connected to the telescopic plate.
  • the foot screw 8 is used to adjust the circular level 5, and the connecting screw 11 is used to fix the entire level.
  • the telescopic plate comprises a central expansion plate 14 and a plurality of edge expansion plates 15 .
  • the central expansion plate 14 is provided with a fixed pulley 16
  • the edge expansion plate 15 is provided with a communication cavity therebetween.
  • a spring 22 is disposed inside, and an end chamber 17 is disposed in the end housing of the eyepiece 2 and the objective lens 3, and a reel 18 is disposed on an outer side of the storage chamber 17, and the fixed pulley 16 and the reel 18 are connected by a wire 19.
  • the output end of the motor 13 is connected to the reel 18, and the reel 18 is used to retract the wire 19, and the spring force of the spring 16 controls the opening and closing of the retractable plate.
  • one end of the wire 19 on both sides of the fixed pulley 16 is connected to the reel 18, and one end is fixedly connected to the inner wall of the storage chamber 17, and the movement of the central telescopic plate 14 is driven by the wire 19.
  • the operation interface 1 is provided with a start button, a stop button, a forward button and a reverse button. It is used to control the forward rotation, reverse rotation and stop of the motor 13.
  • a sight glass 20 is disposed above the objective lens 3, and a photo door 21 is disposed above the eyepiece 2.
  • the eyepiece 2 is provided with an eyepiece focusing spiral, and the lower end of the objective lens 3 is provided with a braking screw 23.
  • an objective lens adjusting screw 24 is provided for assisting the telescope to aim and focus.
  • one side of the vial is provided with a vial bubble observation window 25 for observing the position of the bubble.
  • the lower end of the circular level device 5 is provided with a circular level correction screw 26, and two ends of the circular level device 5 are respectively provided with a micro-motion spiral 27 and a micro-tilt screw 28 for adjusting the circular level 5 The location status.
  • the driving circuit comprises a forward rotation driving circuit and an inversion driving circuit, wherein the motor 13 is respectively connected in the forward rotation driving circuit and the reverse driving circuit, and the start key and the stop key are respectively connected to the forward rotation driving circuit.
  • the inversion driving circuit wherein the forward rotation key is connected in the forward rotation drive circuit, the reverse rotation key is connected in the reverse rotation drive circuit, and the motor 13 is controlled by the start key, the stop key, the forward rotation key, and the reverse rotation key The running state.
  • the strut 10 is hinged to the side of the platen 9, the strut 10 includes a telescopic shaft 29 and a tightening knob 30, and the telescopic shaft 29 is provided with a scale for adjusting the length of the strut 10, Thereby adjusting the height of the level.
  • the telescope is internally provided with a crosshair reticle and an optical lens
  • the crosshair reticle is disposed inside the eyepiece 2
  • the pair of optical lenses are disposed inside the crosshair reticle for aiming at the target And readings.
  • the eyepiece and the telescopic cover on the objective lens have the same structure.
  • the bracket Between the two observation points, make the platen 9 horizontal, and ensure the firmness of the bracket.
  • the telescopic cover on the objective lens and the eyepiece can be opened, then the stop button is pressed, the motor 13 stops rotating, the telescope is accurately aimed at the target, the telescope is aimed at the distant bright background, and the eyepiece is rotated to make the crosshairs clear.
  • the brake screw 23 is released, the telescope is rotated, the connection of the photographing door 21 and the crosshair 20 is aligned with the leveling ruler, and the brake screw 23 is tightened. Finally, the objective lens is rotated to adjust the spiral 24 so that the leveling rule falls clearly on the crosshair plane, and then the micro-motion spiral 27 is rotated, so that the image of the leveling ruler is placed on one side of the cross vertical wire, and then the telescope is used for leveling, and finally Using the crosshair, intercept the reading on the leveling ruler. After the use is completed, press the start button and the reverse button to start the reverse drive circuit. The motor 13 is reversed, and the reel 18 releases the wire 19 under the action of the spring 22 elastic force. , the telescopic guard is closed, then press the stop button.
  • the leveling device with the telescopic cover protection device prevents the lens of the telescope and the lens of the objective lens from being touched during use, thereby avoiding the phenomenon of lens damage and reducing the damage rate. And cost, prolong the service life, because the bottom surface of the foot is provided with anti-slip pattern, which can prevent the leveling device from tipping during use, further reducing the damage rate.

Abstract

一种具有伸缩护盖保护装置的水准仪，包括望远镜、水准器、基座、支架和控制装置，所述望远镜包括目镜(2)和物镜(3)，所述目镜(2)和物镜(3)的端部内侧均设置有伸缩护盖，所述伸缩护盖分为结构相同的上盖和下盖，所述上盖和下盖分别包括多个伸缩板，所述水准器包括水准管(4)和圆水准器(5)，所述支架包括台板(9)和支杆(10)，所述台板(9)通过连接螺旋(11)与下基座(7)连接，所述支杆(10)的下端设置有支脚(12)，所述支脚(12)的底面设置有防滑纹，所述控制装置包括驱动电路和电机(13)。该具有伸缩护盖保护装置的水准仪通过增加了伸缩护盖，防止在使用的过程中碰触到望远镜的目镜(2)和物镜(3)的镜片，避免产生镜片损坏的现象，降低损坏率和成本，延长使用寿命。

Description

一种具有伸缩护盖保护装置的水准仪 技术领域
本发明涉及一种具有伸缩护盖保护装置的水准仪，属于工程测量领域。
背景技术
水准仪是建立水平视线测定地面两点间高差的仪器。原理为根据水准测量原理测量地面点间高差。水准仪上设置有望远镜，其中望远镜包括目镜和物镜，然而物镜和目镜很容易被碰触到，使镜片产生磨损，造成整个水准仪的损坏，成本高，使用寿命短，而且在使用水准仪进行测量的时候，必须保证水准仪的稳固，避免造成水准仪的倾倒，产生损坏。
发明内容
本发明要解决的技术问题是：为了克服现有技术的不足，提供一种具有伸缩护盖保护装置的水准仪。
本发明解决其技术问题所采用的技术方案是：一种具有伸缩护盖保护装置的水准仪，包括望远镜、水准器、基座、支架和控制装置，所述水准器设置在基座上，所述望远镜设置在水准器上方一侧，所述基座设置在支架上；
所述望远镜的上方设置有操作界面，所述望远镜包括目镜和物镜，所述目镜和物镜分别设置在望远镜的两端，所述目镜和物镜的端部内侧均设置有伸缩护盖，所述伸缩护盖分为结构相同的上盖和下盖，所述上盖和下盖分别包括多个伸缩板，所述水准器包括水准管和圆水准器，所述圆水准器设置在水准管的下端；
所述基座包括上基座和下基座，所述上基座和下基座之间设置有脚螺旋，所述圆水准器设置在上基座的上方，所述支架包括台板和支杆，所述台板通过连接螺旋与下基座连接，所述支杆的下端设置有支脚，所述支脚的底面设置有 防滑纹，所述控制装置包括驱动电路和电机，所述电机接在驱动电路中，所述电机的输出端与伸缩板相连。
作为优选，所述伸缩板包括一个中心伸缩板和多个边缘伸缩板，所述中心伸缩板内设置有定滑轮，所述边缘伸缩板中间设置有连通腔，所述连通腔内部设置有弹簧，所述目镜和物镜端部壳体内设置有置物腔，所述置物腔的外侧设置有卷轴，所述定滑轮和卷轴之间通过钢丝相连，所述电机的输出端与卷轴相连。
作为优选，所述定滑轮两侧的钢丝的一端连接在卷轴上，一端固定连接在置物腔内壁上。
作为优选，所述操作界面上设置有启动键、停止键、正转键和反转键。
作为优选，所述物镜的上方设置有准星，所述目镜的上方设置有照门，所述目镜上设置有目镜调焦螺旋，所述物镜的下端设置有制动螺旋，所望远镜一侧设置有物镜调节螺旋。
作为优选，所述水准管的一侧设置有水准管气泡观察窗。
作为优选，所述圆水准器的下端设置有圆水准校正螺旋，所述圆水准器一侧的两端分别设置有微动螺旋和微倾螺旋。
作为优选，所述驱动电路包括正转驱动电路和反转驱动电路，所述电机分别连接在正转驱动电路和反转驱动电路中，所述启动键和停止键分别连接在正转驱动电路和反转驱动电路中，所述正转键连接在正转驱动电路中，所述反转键连接在反转驱动电路中。
作为优选，所述支杆铰接在台板的侧面，所述支杆包括伸缩轴和旋紧旋钮，所述伸缩轴上设置有刻度。
作为优选，所述望远镜内部设置有十字丝分划板和对光透镜，所述十字丝 分划板设置在目镜内侧，所述对光透镜设置在十字丝分划板内侧。
本发明的有益效果是，该具有伸缩护盖保护装置的水准仪通过增加了伸缩护盖，防止在使用的过程中碰触到望远镜的目镜和物镜的镜片，避免产生镜片损坏的现象，降低损坏率和成本，延长使用寿命，由于支脚的底面设置有防滑纹，可以防止水准仪在使用的过程中产生倾倒的现象，进一步降低损坏率。
附图说明
下面结合附图和实施例对本发明进一步说明。
图1是本发明的具有伸缩护盖保护装置的水准仪的结构示意图；
图2是本发明的具有伸缩护盖保护装置的水准仪的结构示意图；
图3是本发明的具有伸缩护盖保护装置的水准仪的伸缩护盖关闭时的结构示意图；
图4是本发明的具有伸缩护盖保护装置的水准仪的伸缩护盖打开时的结构示意图；
图5是本发明的具有伸缩护盖保护装置的水准仪的伸缩护盖控制原理图；
图中：1.操作界面，2.目镜，3.物镜，4.水准管，5.圆水准器，6.上基座，7.下基座，8.脚螺旋，9.台板，10.支杆，11.连接螺旋，12.支脚，13.电机，14.中心伸缩板，15.边缘伸缩板，16.定滑轮，17.置物腔，18.卷轴，19.钢丝，20.准星，21.照门，22.弹簧，23.制动螺旋，24.物镜调节螺旋，25.水准管气泡观察窗，26.圆水准校正螺旋，27.微动螺旋，28.微倾螺旋，29.伸缩轴，30.旋紧旋钮。
具体实施方式
现在结合附图对本发明作进一步详细的说明。这些附图均为简化的示意图，仅以示意方式说明本发明的基本结构，因此其仅显示与本发明有关的构成。
如图1-5所示，一种具有伸缩护盖保护装置的水准仪，包括望远镜、水准器、基座、支架和控制装置，所述水准器设置在基座上，所述望远镜设置在水准器上方一侧，所述基座设置在支架上；
所述望远镜的上方设置有操作界面1，所述望远镜包括目镜2和物镜3，所述目镜2和物镜3分别设置在望远镜的两端，所述目镜2和物镜3的端部内侧均设置有伸缩护盖，所述伸缩护盖分为结构相同的上盖和下盖，所述上盖和下盖分别包括多个伸缩板，所述水准器包括水准管4和圆水准器5，所述圆水准器5设置在水准管4的下端；
所述基座包括上基座6和下基座7，所述上基座6和下基座7之间设置有脚螺旋8，所述圆水准器5设置在上基座6的上方，所述支架包括台板9和支杆10，所述台板9通过连接螺旋11与下基座7连接，所述支杆10的下端设置有支脚12，所述支脚12的底面设置有防滑纹，所述控制装置包括驱动电路和电机13，所述电机13接在驱动电路中，所述电机13的输出端与伸缩板相连。
其中脚螺旋8用来调整圆水准器5，连接螺旋11用于固定整个水准仪。
作为优选，所述伸缩板包括一个中心伸缩板14和多个边缘伸缩板15，所述中心伸缩板14内设置有定滑轮16，所述边缘伸缩板15中间设置有连通腔，所述连通腔内部设置有弹簧22，所述目镜2和物镜3端部壳体内设置有置物腔17，所述置物腔17的外侧设置有卷轴18，所述定滑轮16和卷轴18之间通过钢丝19相连，所述电机13的输出端与卷轴18相连，利用卷轴18收放钢丝19，加上弹簧16的弹力控制伸缩板的开启和关闭。
作为优选，所述定滑轮16两侧的钢丝19的一端连接在卷轴18上，一端固定连接在置物腔17内壁上，通过钢丝19带动中心伸缩板14的移动。
作为优选，所述操作界面1上设置有启动键、停止键、正转键和反转键， 用于控制电机13的正转、反转和停止。
作为优选，所述物镜3的上方设置有准星20，所述目镜2的上方设置有照门21，所述目镜2上设置有目镜调焦螺旋，所述物镜3的下端设置有制动螺旋23，所望远镜一侧设置有物镜调节螺旋24，用于辅助望远镜瞄准和调焦。
作为优选，所述水准管的一侧设置有水准管气泡观察窗25，用于观察气泡的位置。
作为优选，所述圆水准器5的下端设置有圆水准校正螺旋26，所述圆水准器5一侧的两端分别设置有微动螺旋27和微倾螺旋28，用于调整圆水准器5的位置状态。
作为优选，所述驱动电路包括正转驱动电路和反转驱动电路，所述电机13分别连接在正转驱动电路和反转驱动电路中，所述启动键和停止键分别连接在正转驱动电路和反转驱动电路中，所述正转键连接在正转驱动电路中，所述反转键连接在反转驱动电路中，通过启动键、停止键、正转键和反转键控制电机13的运行状态。
作为优选，所述支杆10铰接在台板9的侧面，所述支杆10包括伸缩轴29和旋紧旋钮30，所述伸缩轴29上设置有刻度，用于调节支杆10的长度，从而调节水准仪的高度。
作为优选，所述望远镜内部设置有十字丝分划板和对光透镜，所述十字丝分划板设置在目镜2内侧，所述对光透镜设置在十字丝分划板内侧，用以瞄准目标和读数。
目镜和物镜上的伸缩护盖结构相同。
首先将支架置于两观测点之间，使台板9水平，并且确保支架的牢固性，利用连接螺旋11将仪器安装在支架上，利用脚螺旋8对仪器进行粗平，然后按下启 动键和正转键，此时接通正转驱动电路，电路带动电机13正转，卷轴18收卷钢丝19，钢丝19拉动定滑轮16，压缩弹簧22，使伸缩板伸缩进置物腔17内，便可打开物镜和目镜上的伸缩护盖，然后按下停止键，电机13停止转动，用望远镜准确瞄准目标，把望远镜对向远处明亮的背景，转动目镜调焦螺旋，使十字丝最清晰。再松开制动螺旋23，旋转望远镜，使照门21和准星20的连接对准水准尺，拧紧制动螺旋23。最后转动物镜调节螺旋24，使水准尺的清晰地落在十字丝平面上，再转动微动螺旋27，使水准尺的像靠于十字竖丝的一侧，然后利用望远镜进行精平，最后是利用十字丝，截读水准尺上的读数，使用完成后，按下启动键和反转键，启动反转驱动电路，电机13反转，卷轴18放开钢丝19，在弹簧22弹力的作用下，伸缩护板合上，然后按下停止键。
与现有技术相比，该具有伸缩护盖保护装置的水准仪通过增加了伸缩护盖，防止在使用的过程中碰触到望远镜的目镜和物镜的镜片，避免产生镜片损坏的现象，降低损坏率和成本，延长使用寿命，由于支脚的底面设置有防滑纹，可以防止水准仪在使用的过程中产生倾倒的现象，进一步降低损坏率。
以上述依据本发明的理想实施例为启示，通过上述的说明内容，相关工作人员完全可以在不偏离本项发明技术思想的范围内，进行多样的变更以及修改。本项发明的技术性范围并不局限于说明书上的内容，必须要根据权利要求范围来确定其技术性范围。

Claims (10)

  1. 一种具有伸缩护盖保护装置的水准仪，其特征在于，包括望远镜、水准器、基座、支架和控制装置，所述水准器设置在基座上，所述望远镜设置在水准器上方一侧，所述基座设置在支架上；
    所述望远镜的上方设置有操作界面，所述望远镜包括目镜和物镜，所述目镜和物镜分别设置在望远镜的两端，所述目镜和物镜的端部内侧均设置有伸缩护盖，所述伸缩护盖分为结构相同的上盖和下盖，所述上盖和下盖分别包括多个伸缩板，所述水准器包括水准管和圆水准器，所述圆水准器设置在水准管的下端；
    所述基座包括上基座和下基座，所述上基座和下基座之间设置有脚螺旋，所述圆水准器设置在上基座的上方，所述支架包括台板和支杆，所述台板通过连接螺旋与下基座连接，所述支杆的下端设置有支脚，所述支脚的底面设置有防滑纹，所述控制装置包括驱动电路和电机，所述电机接在驱动电路中，所述电机的输出端与伸缩板相连。
  2. 如权利要求1所述的具有伸缩护盖保护装置的水准仪，其特征在于，所述伸缩板包括一个中心伸缩板和多个边缘伸缩板，所述中心伸缩板内设置有定滑轮，所述边缘伸缩板中间设置有连通腔，所述连通腔内部设置有弹簧，所述目镜和物镜端部壳体内设置有置物腔，所述置物腔的外侧设置有卷轴，所述定滑轮和卷轴之间通过钢丝相连，所述电机的输出端与卷轴相连。
  3. 如权利要求2所述的具有伸缩护盖保护装置的水准仪，其特征在于，所述定滑轮两侧的钢丝的一端连接在卷轴上，一端固定连接在置物腔内壁上。
  4. 如权利要求1所述的具有伸缩护盖保护装置的水准仪，其特征在于，所述操作界面上设置有启动键、停止键、正转键和反转键。
  5. 如权利要求1所述的具有伸缩护盖保护装置的水准仪，其特征在于，所 述物镜的上方设置有准星，所述目镜的上方设置有照门，所述目镜上设置有目镜调焦螺旋，所述物镜的下端设置有制动螺旋，所望远镜一侧设置有物镜调节螺旋。
  6. 如权利要求1所述的具有伸缩护盖保护装置的水准仪，其特征在于，所述水准管的一侧设置有水准管气泡观察窗。
  7. 如权利要求1所述的具有伸缩护盖保护装置的水准仪，其特征在于，所述圆水准器的下端设置有圆水准校正螺旋，所述圆水准器一侧的两端分别设置有微动螺旋和微倾螺旋。
  8. 如权利要求1所述的具有伸缩护盖保护装置的水准仪，其特征在于，所述驱动电路包括正转驱动电路和反转驱动电路，所述电机分别连接在正转驱动电路和反转驱动电路中，所述启动键和停止键分别连接在正转驱动电路和反转驱动电路中，所述正转键连接在正转驱动电路中，所述反转键连接在反转驱动电路中。
  9. 如权利要求1所述的具有伸缩护盖保护装置的水准仪，其特征在于，所述支杆铰接在台板的侧面，所述支杆包括伸缩轴和旋紧旋钮，所述伸缩轴上设置有刻度。
  10. 如权利要求1所述的具有伸缩护盖保护装置的水准仪，其特征在于，所述望远镜内部设置有十字丝分划板和对光透镜，所述十字丝分划板设置在目镜内侧，所述对光透镜设置在十字丝分划板内侧。
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