CN220556304U - Height measuring tool for teaching - Google Patents

Abstract

The utility model discloses a height measuring tool for teaching, and relates to the field of teaching auxiliary instruments. The utility model comprises a sliding rail with scales, wherein a bracket is slidably arranged on the sliding rail, a quasi-mirror clamp is rotatably arranged at the top end of the bracket, a cross quasi-center straight telescope is arranged on the quasi-mirror clamp in a clamping manner, an angle gauge is arranged at the lower section of the quasi-mirror clamp, an angle reading window is arranged on the side wall of the bracket, a level gauge is arranged on the top surface of the sliding rail, and a rotary lifting seat is arranged on the bottom surface of the sliding rail; the measuring instrument solves the problems that the existing measuring instrument is difficult to adapt to teaching use and errors are easy to occur under strong light.

Description

Height measuring tool for teaching

Technical Field

The utility model relates to the field of teaching auxiliary instruments, in particular to a height measuring tool for teaching.

Background

In the practice teaching process of measuring the height, the teaching aid generally needs to be easily understood in the use principle, is low in cost, and is simple in measurement operation, safe and high in accuracy. In order to achieve higher measurement accuracy, the conventional height measuring tool generally adopts a laser measuring instrument, an ultrasonic measuring instrument and the like, so that the cost is higher, potential safety hazards can exist due to improper operation in the use process, and the maintenance cost is very high after damage, so that the height measuring tool is not suitable for being used as an extracurricular time tool for students.

Meanwhile, if the laser measuring instrument is adopted, if sunlight is strong in outdoor measurement in daytime, when a point to be measured is far or high, the position of the point to be measured is difficult to find accurately by utilizing red light, green light or laser for measurement, and the error is large. In addition, in the moving process of the common tripod, the heights of the two observation points are easy to be different due to uneven bottom surfaces.

Disclosure of Invention

The utility model aims to provide a height measuring tool for teaching, which aims to solve the problems in the background technology.

In order to solve the problems, the utility model adopts the following technical means:

the utility model provides a height measurement instrument for teaching, includes the slide rail of taking the scale, slidable mounting has the support on the slide rail, the top of support rotates installs accurate mirror clamp, accurate mirror clamp goes up the centre gripping and installs cross accurate heart straight telescope, angle gauge is installed to the hypomere that accurate mirror pressed from both sides, the lateral wall of support is equipped with the angle reading window, the spirit level is installed to the top surface of slide rail, rotatory elevating platform is installed to the bottom surface of slide rail.

Preferably, the sliding rail is a double-guide rail sliding rail, the support comprises a base which is arranged on the sliding rail in a sliding manner, a vertical first clamping plate and a vertical second clamping plate are respectively arranged on the top surface of the base, the standard mirror clamp comprises a first clamping piece which is rotatably arranged on the first clamping plate and a second clamping piece which is rotatably arranged on the second clamping plate, the protractor is arranged at the bottom end of a rotating shaft which is rotatably connected with the first clamping plate, the angle reading window is arranged on the side wall of the first clamping plate, and the second clamping piece is rotatably connected with the second clamping plate through a standard mirror tightening knob which is rotatably arranged on the second clamping plate.

Further, the top surface of base be equipped with first splint vertically centre gripping is adjusted the track, the second splint slide is located on the centre gripping is adjusted the track, the top surface of base is located the orbital tip of centre gripping is adjusted and is equipped with the limiting plate, rotate on the limiting plate and install the accurate mirror track adjust knob with the second splint butt.

Further, a coaxial arc-shaped part is respectively arranged on one surface of the first clamping piece facing the second clamping piece and one surface of the second clamping piece facing the first clamping piece and is used for clamping the cross-shaped quasi-straight telescope.

Further, a handle is arranged at the bottom end of the second clamping piece.

Furthermore, the angle reading window is a through channel formed in the side wall of the first clamping plate, the moving path of the angle meter carving part of the angle gauge is always in the hollowed-out range of the angle reading window, and a pointer is arranged on the inner wall of the angle reading window.

The utility model has the following beneficial effects in the using process:

in the use, the slide rail is just towards the point of awaiting measuring, then through adjusting rotatory elevating platform, adjusts the spirit level of slide rail top surface to the horizontality. Then, the cross-shaped collimating telescope is aligned to the to-be-measured point, so that the to-be-measured point is directly observed through the cross-shaped collimating telescope, the condition that the definition of the laser point is affected due to strong sunlight can be effectively avoided, and the measurement error caused by unclear laser point is avoided. After the first measurement is completed, the corresponding angle of the observation point is recorded through the protractor, then the bracket is moved along the sliding rail, the cross-shaped collimating-center straight telescope clamped on the collimating-lens clamp is moved to the second position, after the moving distance is recorded, the point to be measured is observed through the cross-shaped collimating-center straight telescope again, and the angle on the protractor is recorded again after alignment, so that the height of the point to be observed is calculated by utilizing measured data and self data. Therefore, the situation that the definition of the laser point is influenced due to strong light, so that an observation error is caused is effectively avoided; meanwhile, the situation that the measurement data error is large due to the fact that the two sides are uneven and the adjustment error is caused by the fact that the two sides are measured can be effectively avoided through the leveled sliding rail.

Drawings

Fig. 1 is a schematic left-view structure of the present utility model.

Fig. 2 is a schematic diagram of the front view structure of the present utility model.

Fig. 3 is a right-side view of the present utility model.

The device comprises a 1-sliding rail, a 2-bracket, a 21-base, a 22-first clamping plate, a 23-second clamping plate, a 3-standard mirror clamp, a 31-first clamping plate, a 32-second clamping plate, a 4-protractor, a 5-angle reading window, a 6-rotating lifting seat, a 7-standard mirror tightening knob, an 8-clamping adjusting rail, a 9-limiting plate, a 10-standard mirror rail adjusting knob, an 11-handle and a 12-pointer.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

In addition, the embodiments of the present utility model and the features of the embodiments may be combined with each other without collision.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, or are directions or positional relationships conventionally understood by those skilled in the art, are merely for convenience of describing the present utility model and for simplifying the description, and are not to indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Please refer to fig. 1 to 3 for a height measuring tool for teaching, including the slide rail 1 of taking the scale, slidable mounting has support 2 on the slide rail 1, accurate mirror clamp 3 is installed in the top rotation of support 2, accurate heart-shaped rectoscope is installed to the centre gripping on the accurate mirror clamp 3, protractor 4 is installed to the hypomere that accurate mirror pressed from both sides 3, the lateral wall of support 2 is equipped with angle reading window 5, the spirit level is installed to the top surface of slide rail 1, rotatory elevating seat 6 is installed to the bottom surface of slide rail 1.

In the use process, the sliding rail 1 is faced to the point to be measured, and then the level gauge on the top surface of the sliding rail 1 is adjusted to be in a horizontal state by adjusting the rotary lifting seat 6. Then, the cross-shaped collimating telescope is aligned to the to-be-measured point, so that the to-be-measured point is directly observed through the cross-shaped collimating telescope, the condition that the definition of the laser point is affected due to strong sunlight can be effectively avoided, and the measurement error caused by unclear laser point is avoided. After the first measurement is completed, the corresponding angle of the observation point is recorded through the protractor 4, then the bracket 2 is moved along the sliding rail 1, the cross-shaped collimating telescope clamped on the collimating mirror clamp 3 is moved to the second position, after the moving distance is recorded, the point to be measured is observed through the cross-shaped collimating telescope again, and the angle on the protractor 4 is recorded again after alignment, so that the height of the point to be observed is calculated by using measured data and self data. Therefore, the situation that the definition of the laser point is influenced due to strong light, so that an observation error is caused is effectively avoided; meanwhile, the situation that the measurement data error is large due to the fact that the bottom surface is uneven and the adjustment error is caused by the measurement on two sides can be effectively avoided through the leveled sliding rail 1.

Further, the slide rail 1 is a dual-guide rail 1, the support 2 comprises a base 21 arranged on the slide rail 1 in a sliding manner, a vertical first clamping plate 22 and a vertical second clamping plate 23 are respectively arranged on the top surface of the base 21, the standard mirror clamp 3 comprises a first clamping piece 31 arranged on the first clamping plate 22 in a rotating manner and a second clamping piece 32 arranged on the second clamping plate 23 in a rotating manner, the protractor 4 is arranged at the bottom end of a rotating shaft, wherein the rotating shaft is connected with the first clamping piece 31 in a rotating manner with the first clamping plate 22, the angle reading window 5 is arranged on the side wall of the first clamping plate 22, and the second clamping piece 32 is connected with the second clamping plate 23 in a rotating manner through a standard mirror tightening knob 7 arranged on the second clamping plate 23 in a rotating manner.

Furthermore, the top surface of the base 21 is provided with a clamping adjustment rail 8 perpendicular to the first clamping plate 22, the second clamping plate 23 is slidably arranged on the clamping adjustment rail 8, the top surface of the base 21 is positioned at the end part of the clamping adjustment rail 8 and is provided with a limiting plate 9, and the limiting plate 9 is rotatably provided with a quasi-mirror rail adjustment knob 10 abutted to the second clamping plate 23.

Further, a coaxial arc portion is disposed on a surface of the first clamping piece 31 facing the second clamping piece 32 and a surface of the second clamping piece 32 facing the first clamping piece 31, respectively, for clamping the cross-center telescope.

Further, the handle 11 is mounted at the bottom end of the second clip 32.

Furthermore, the angle reading window 5 is a through channel formed on the side wall of the first clamping plate 22, the movement path of the angle gauge carving part of the angle gauge 4 is always within the hollowed-out range of the angle reading window 5, and the inner wall of the angle reading window 5 is provided with a pointer 12.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (6)

1. A height measurement tool for teaching, characterized in that: including slide rail (1) of taking the scale, slidable mounting has support (2) on slide rail (1), accurate mirror clamp (3) are installed in the top rotation of support (2), accurate heart of cross upright telescope is installed to the centre gripping on accurate mirror clamp (3), protractor (4) are installed to the hypomere that accurate mirror pressed from both sides (3), the lateral wall of support (2) is equipped with angle reading window (5), the spirit level is installed to the top surface of slide rail (1), rotatory elevating seat (6) are installed to the bottom surface of slide rail (1).

2. A teaching height-measuring tool according to claim 1, characterized in that: slide rail (1) is two guide rail slide rail (1), support (2) are including sliding locating base (21) on slide rail (1), the top surface of base (21) is equipped with vertical first splint (22) and second splint (23) respectively, accurate mirror presss from both sides (3) including rotating first clamping piece (31) of installing on first splint (22) and rotating second clamping piece (32) of installing on second splint (23), protractor (4) are installed first clamping piece (31) with pivot bottom that first splint (22) rotate and are connected, angle reading window (5) are located the lateral wall of first splint (22), second clamping piece (32) with second splint (23) are located through rotating accurate mirror tight knob (7) of adjusting on second splint (23) rotate and are connected.

3. A teaching height-measuring tool according to claim 2, characterized in that: the top surface of base (21) be equipped with first splint (22) vertically centre gripping regulation track (8), second splint (23) slip are located on centre gripping regulation track (8), the top surface of base (21) is located the tip of centre gripping regulation track (8) is equipped with limiting plate (9), rotate on limiting plate (9) install with second splint (23) butt accurate mirror track adjust knob (10).

4. A teaching height-measuring tool according to claim 3, characterized in that: one surface of the first clamping piece (31) facing the second clamping piece (32) and one surface of the second clamping piece (32) facing the first clamping piece (31) are respectively provided with coaxial arc-shaped parts for clamping the cross-shaped collimating telescope.

5. A teaching height-measuring tool according to claim 4 and characterized in that: the bottom end of the second clamping piece (32) is provided with a handle (11).

6. A teaching height-measuring tool according to claim 2, characterized in that: the angle reading window (5) is a through channel formed in the side wall of the first clamping plate (22), the moving path of the angle meter carved part of the angle gauge (4) is always in the hollowed-out range of the angle reading window (5), and a pointer (12) is arranged on the inner wall of the angle reading window (5).