CN219473280U - Positioning device of surveying instrument - Google Patents

Abstract

The utility model provides a positioning device of a surveying instrument, which comprises a surveying instrument body, wherein three support columns are in running fit on the surveying instrument body, one end of each support column is provided with a slide way, a telescopic rod is arranged in each slide way, one end of each telescopic rod is in running fit with a rotating disc, one side of each rotating disc is provided with two first L-shaped plates, and one side of each first L-shaped plate is provided with a clamping groove; the inside of slide is installed the locating piece, two second L shaped plates are installed to one side of locating piece. According to the utility model, through the second L-shaped plate, the clamping groove on the first L-shaped plate is driven by the rotating disc to position the second L-shaped plate, so that the situation that the existing tip cannot be disassembled due to long-time rust is reduced, on one hand, the efficiency of tip disassembly is improved, and on the other hand, the sliding situation when the tip is contacted with the ground is reduced, so that the use process of the surveying instrument body is more convenient.

Description

Positioning device of surveying instrument

Technical Field

The utility model relates to the technical field of mappers, in particular to a positioning device of a mappers.

Background

The surveying instrument is a high-tech measuring instrument integrating light, mechanical and electric functions, is a surveying instrument system integrating the functions of measuring horizontal angle, vertical angle, distance and height difference, and compared with an optical theodolite, an electronic theodolite changes an optical dial into a photoelectric scanning dial, and manual optical micrometer reading is replaced by automatic recording and displaying reading, so that the angle measuring operation is simplified, and reading errors can be avoided.

However, because the ground condition of the engineering measurement site is complex, or uneven, or has a large slope, the mapping instrument positioning device in the present stage cannot be stably and fixedly arranged on the ground; if the engineering measurement site has a slope or a hollow ground, the engineering measurement site is extremely easy to fall down due to unstable gravity center. Thus, the present application proposes a new and improved mapping instrument positioning device for engineering mapping.

Disclosure of Invention

In order to overcome the defects existing in the prior art, the positioning device of the surveying instrument is provided at present so as to solve the problem that the tip of the existing surveying instrument is not easy to detach.

In order to achieve the above purpose, a positioning device of a surveying instrument is provided, which comprises a surveying instrument body, wherein three support columns are rotatably matched on the surveying instrument body, one end of each support column is provided with a slide way, the inside of each slide way is provided with a telescopic rod, one end of each telescopic rod is rotatably matched with a rotating disc, one side of each rotating disc is provided with two first L-shaped plates, and one side of each first L-shaped plate is provided with a clamping groove;

the inside of slide has installed the locating piece, two second L shaped plates have been installed to one side of locating piece, the one end of second L shaped plate is located the inside of draw-in groove, the tip has been installed to the other side of locating piece.

Three sliding grooves are formed in the surveying instrument body, a fixing rod is arranged in the sliding grooves, and one end of the supporting column is in running fit with the fixing rod.

An annular groove is formed in the support column, an annular plate is in rotary fit with the annular groove, and a spring is arranged between one side of the annular plate and the rotary disc.

The annular groove is communicated with the slideway, and the cross section of the slideway is T-shaped.

The telescopic rod includes: the fixed cylinder is arranged in the slide way, and one end of the fixed cylinder is in sliding fit with a sliding rod.

One end of the sliding rod is in rotary fit with one side of the rotary disc.

The utility model has the beneficial effects that:

1. the second L-shaped plate that sets up, the draw-in groove on the rolling disc drive first L-shaped plate fixes a position the second L-shaped plate, has reduced the condition that current tip can't dismantle because of long-time rusty, has improved the efficiency that the tip was dismantled on the one hand, and another has reduced the gliding condition when tip and ground contact for the process that the surveying instrument body used is more convenient.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of the present utility model;

FIG. 2 is a schematic diagram of the structure of FIG. 1 at A;

FIG. 3 is a schematic cross-sectional view of an embodiment of the present utility model.

In the figure: 1. a mapper body; 101. a support column; 102. a slideway; 103. an annular groove; 104. an annular plate; 105. a fixed cylinder; 106. a slide bar; 107. a rotating disc; 108. a spring; 109. a first L-shaped plate; 110. a clamping groove; 111. a chute; 2. a tip; 201. a positioning block; 202. a second L-shaped plate.

Detailed Description

Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model.

Referring to fig. 1 to 3, the utility model provides a positioning device of a surveying instrument, which comprises a surveying instrument body 1, wherein three support columns 101 are rotatably matched on the surveying instrument body 1, one ends of the support columns 101 are provided with slide ways 102, telescopic rods are arranged in the slide ways 102, one ends of the telescopic rods are rotatably matched with rotating discs 107, one side of each rotating disc 107 is provided with two first L-shaped plates 109, one side of each first L-shaped plate 109 is provided with a clamping groove 110, and the second L-shaped plates 202 are conveniently placed in the clamping grooves 110;

the inside of slide 102 has installed locating piece 201, and two second L shaped plates 202 have been installed to one side of locating piece 201, and the one end of second L shaped plate 202 is located the inside of draw-in groove 110, and tip 2 has been installed to the other side of locating piece 201, has made things convenient for the support column 101 to be fixed on ground through tip 2.

In this embodiment, three sliding grooves 111 are provided on the surveying instrument body 1, a fixing rod is provided in the sliding groove 111, and one end of the supporting column 101 is rotatably fitted on the fixing rod.

As a preferred embodiment, the support column 101 is convenient to rotate on the fixed rod, and the stability of the support column 101 during rotation is improved.

In this embodiment, an annular groove 103 is formed on the support column 101, an annular plate 104 is rotatably fitted in the annular groove 103, and a spring 108 is installed between one side of the annular plate 104 and the rotating disc 107.

In this embodiment, the annular groove 103 communicates with the slideway 102, and the slideway 102 has a T-shaped cross section.

As a preferred embodiment, the annular plate 104 is conveniently rotated inside the annular groove 103.

In this embodiment, the telescopic rod includes: a fixed cylinder 105 is arranged in the slide way 102, and one end of the fixed cylinder 105 is in sliding fit with a sliding rod 106.

As a preferred embodiment, the sliding rod 106 is facilitated to slide on the fixed cylinder 105, and the stability of the sliding rod 106 in sliding is improved.

In the present embodiment, one end of the slide lever 106 is rotatably fitted on one side of the rotary disk 107.

The utility model relates to circuits, electronic components and modules in the prior art, and can be completely realized by those skilled in the art, and needless to say, the utility model is not related to the improvement of the internal structure and method.

Working principle:

when the tip 2 needs to be replaced, the rotating disc 107 is stretched first, the rotating disc 107 stretches the spring 108, the rotating disc 107 drives the first L-shaped plate 109 to slide, the first L-shaped plate 109 drives the clamping groove 110 to slide on one side of the second L-shaped plate 202 and rotates the rotating disc 107, the rotating disc 107 drives the spring 108 to rotate, the spring 108 drives the annular plate 104 to rotate on the annular groove 103, then the positioning block 201 is taken out from the inside of the slideway 102 through the tip 2, and then the worn tip 2 is replaced.

It should be noted that, the structures, proportions, sizes and the like shown in the drawings attached to the present specification are used for understanding and reading only in conjunction with the disclosure of the present specification, and are not intended to limit the applicable limitations of the present utility model, so that any modification of the structures, variation of proportions or adjustment of sizes of the structures, proportions and the like should not be construed as essential to the present utility model, and should still fall within the scope of the disclosure of the present utility model without affecting the efficacy and achievement of the present utility model. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the utility model, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the utility model may be practiced.

The present utility model has been described in detail with reference to the embodiments of the drawings, and those skilled in the art can make various modifications to the utility model based on the above description. Accordingly, certain details of the embodiments are not to be interpreted as limiting the utility model, which is defined by the appended claims.

Claims (6)

1. A positioning device for a surveying instrument, comprising: the surveying instrument comprises a surveying instrument body (1), wherein three supporting columns (101) are in running fit on the surveying instrument body (1), a slide way (102) is formed in one end of each supporting column (101), a telescopic rod is arranged in each slide way (102), a rotating disc (107) is in running fit with one end of each telescopic rod, two first L-shaped plates (109) are arranged on one side of each rotating disc (107), and clamping grooves (110) are formed in one side of each first L-shaped plate (109);

the inside of slide (102) is installed locating piece (201), two second L shaped plates (202) are installed to one side of locating piece (201), one end of second L shaped plates (202) is located the inside of draw-in groove (110), tip (2) have been installed to the other side of locating piece (201).

2. The positioning device of a surveying instrument according to claim 1, wherein: three sliding grooves (111) are formed in the surveying instrument body (1), fixing rods are arranged in the sliding grooves (111), and one end of each supporting column (101) is in rotary fit with the corresponding fixing rod.

3. The positioning device of a surveying instrument according to claim 1, wherein: an annular groove (103) is formed in the supporting column (101), an annular plate (104) is in rotary fit with the annular groove (103), and a spring (108) is arranged between one side of the annular plate (104) and the rotary disc (107).

4. A positioning device for a surveying instrument according to claim 3, wherein: the annular groove (103) is communicated with the slideway (102), and the cross section of the slideway (102) is T-shaped.

5. The positioning device of a surveying instrument according to claim 1, wherein: the telescopic rod includes: and a fixed cylinder (105) arranged in the slideway (102), wherein one end of the fixed cylinder (105) is in sliding fit with a sliding rod (106).

6. The positioning device of a surveying instrument according to claim 5, wherein: one end of the sliding rod (106) is in rotary fit with one side of the rotary disc (107).