CN210510874U

CN210510874U - Rotary limiting structure for tripod for surveying and mapping

Info

Publication number: CN210510874U
Application number: CN201921631872.2U
Authority: CN
Inventors: 朱海坤; 朱海超
Original assignee: Shandong Yuheng Planning And Design Co Ltd
Current assignee: Shandong Yuheng Planning And Design Co Ltd
Priority date: 2019-09-28
Filing date: 2019-09-28
Publication date: 2020-05-12
Anticipated expiration: 2029-09-28

Abstract

The utility model discloses a rotatory limit structure for tripod for survey and drawing relates to engineering survey and drawing technical field, and to current surveying instrument when using, there is not stop gear to fix a position, leads to surveying instrument position unstability to influence measuring result's problem, the following scheme is proposed now, including placing the board, the top of placing the board is rotated and is connected with the pivot, the surveying instrument main part is installed at the pivot top, the fixed cover in outer lane of pivot is equipped with the fixed plate, the both sides of fixed plate are equipped with slide mechanism, the fixed cover in slide mechanism's outer lane is equipped with solid fixed ring, place the top fixedly connected with installing frame of board, the second spout has been seted up along its direction of height to the both sides frame wall of installing frame, and the inside slidable mounting of second spout has two second sliders. The utility model discloses thereby the convenience presss from both sides tightly increase frictional force to solid fixed ring, increases the frictional force of sliding ball and placing the board moreover, can improve the hindrance power of pivot like this to make things convenient for the surveying instrument to rotate the back location.

Description

Rotary limiting structure for tripod for surveying and mapping

Technical Field

The utility model relates to an engineering survey and drawing technical field especially relates to a rotatory limit structure is used to tripod for survey and drawing.

Background

In engineering construction, need use the surveying instrument to measure the relief condition, current surveying instrument is when utilizing the tripod to support the use, only needs to rotate the direction of surveying instrument can measure the relief condition in different position, and slewing mechanism does not have better limit measure to make the position after the rotation unstable, be unfavorable for measuring result's accuracy like this, for this we have proposed a survey and drawing and use rotatory limit structure with the tripod.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of rotatory limit structure is used to tripod for survey and drawing has solved current surveying instrument when using, does not have stop gear to fix a position, leads to surveying instrument position unstability to influence measuring result's problem.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a survey and drawing is with rotatory limit structure for tripod, is including placing the board, the top of placing the board is rotated and is connected with the pivot, the surveying instrument main part is installed at the pivot top, the fixed cover in outer lane of pivot is equipped with the fixed plate, the both sides of fixed plate are equipped with slide mechanism, the fixed cover in slide mechanism's outer lane is equipped with solid fixed ring, the top fixedly connected with installing frame of placing the board, the second spout has been seted up along its direction of height to the both sides frame wall of installing frame, the inside slidable mounting of second spout has two second sliders, is located same inside two of second spout one side that the second slider is close to each other is connected with the second spring, one side welding that the second spout was stretched out to the second slider has the clamp splice, and clamp splice and solid.

Preferably, slide mechanism includes fly leaf, first spout, first slider, first spring and sliding ball, two first spout has all been seted up along its direction of height to one side that the fly leaf is close to each other, the inside slidable mounting of first spout has first slider, and one side and the fixed plate welding of first slider, the bottom of first slider is connected with first spring, the bottom welding of fly leaf has the sliding ball.

Preferably, the fixed cover in bottom of pivot is equipped with the bearing, and the bearing passes through bolted connection with placing the board.

Preferably, the bottom of placing the board articulates there are three support columns, the through-hole has been seted up to the top frame wall of installing frame, and the through-hole is run through to the pivot.

Preferably, the outer ring of the fixing ring is provided with a circular arc-shaped convex surface, one side of the clamping block, which is close to the fixing ring, is provided with a circular arc-shaped concave surface, and the concave surface is in contact with the convex surface.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a board is placed in the installation, the apparatus further comprises a rotating shaft, the fixed plate, the fly leaf, first slider, the second slider, first spring, the second spring, clamp splice and solid fixed ring isotructure, wherein first spring extrudees first slider, return under the elasticity of first spring and extrude the fly leaf downwards, thereby make the fly leaf drive the sliding ball tightly want to place the subsides on the board tightly, and the second slider is then taut to the second spring, the second slider drives the clamp splice and presss from both sides solid fixed ring tightly, can carry on spacingly to the countershaft like this, the device novel in design, the operation is thus simple, thereby the convenience presss from both sides tight increase frictional force to solid fixed ring, and increase sliding ball and the frictional force of placing the board, can improve the hindrance power of pivot like this, thereby make things convenient for the surveying instrument to rotate.

Drawings

Fig. 1 is a schematic front view of a rotation limiting structure for a tripod for surveying and mapping according to the present invention;

fig. 2 is the utility model provides a survey and drawing is with rotatory limit structure's local A of fig. 1 enlarged structure schematic diagram.

In the figure: the surveying instrument comprises a placing plate 1, a supporting column 2, a rotating shaft 3, a surveying instrument main body 4, a fixing plate 5, a first sliding block 6, a movable plate 7, a first sliding groove 8, a first spring 9, a sliding ball 10, a fixing ring 11, a mounting frame 12, a second sliding groove 13, a second sliding block 14, a second spring 15 and a clamping block 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, a rotatory limit structure is used to tripod for survey and drawing, including placing board 1, the top of placing board 1 is rotated and is connected with pivot 3, surveying instrument main part 4 is installed at pivot 3 top, the fixed cover in outer lane of pivot 3 is equipped with fixed plate 5, the both sides of fixed plate 5 are equipped with slide mechanism, slide mechanism's the fixed cover in outer lane is equipped with solid fixed ring 11, place board 1's top fixedly connected with installing frame 12, second spout 13 has been seted up along its direction of height to the frame wall in both sides of installing frame 12, the inside slidable mounting of second spout 13 has two second sliders 14, the one side that is located two inside second sliders 14 of same second spout 13 and is close to each other is connected with second spring 15, the welding of one side that second slider 14 stretches out second spout 13 has clamp splice 16, and clamp splice 16 and solid fixed ring.

In this embodiment, the sliding mechanism includes the movable plates 7, the first sliding grooves 8, the first sliding blocks 6, the first springs 9 and the sliding balls 10, the first sliding grooves 8 are all formed in one side, close to each other, of the two movable plates 7 along the height direction of the two movable plates, the first sliding blocks 6 are slidably mounted inside the first sliding grooves 8, one side of each first sliding block 6 is welded to the corresponding fixed plate 5, the first springs 9 are connected to the bottom of each first sliding block 6, and the sliding balls 10 are welded to the bottom of the movable plates 7.

In this embodiment, the fixed cover in bottom of pivot 3 is equipped with the bearing, and the bearing passes through bolted connection with placing board 1.

In this embodiment, the bottom of placing board 1 articulates there is three support column 2, and the through-hole has been seted up to the top frame wall of installing frame 12, and the through-hole is run through in the pivot.

In this embodiment, the outer ring of the fixing ring 11 has an arc convex surface, and one side of the clamping block 16 close to the fixing ring 11 has an arc concave surface, and the concave surface contacts with the convex surface.

Firstly, when in use, a user only needs to rotate the surveying instrument main body 4, the surveying instrument main body 4 drives the rotating shaft 3 to rotate, the rotating shaft 3 drives the fixing plate 5 to rotate, the fixing plate 5 drives the movable plate 7 and the sliding ball 10 to rotate through the first slider 6, the first spring 9 is in a compressed state, so that the first spring 9 can extrude the first slider 6, the movable plate 7 is extruded downwards under the elastic force of the first spring 9, the movable plate 7 drives the sliding ball 10 to be tightly attached to the placing plate 1, the second spring 15 is in an extended state, so that the second spring 15 strains the second slider 14, the second slider 14 drives the clamping block 16 to clamp the fixing ring 11, so as to increase the friction force between the clamping block 16 and the fixing ring 11, so that the rotating shaft 3 can be limited, the whole device is convenient to clamp the fixing ring 11 so as to increase the friction force, and increase the frictional force of sliding ball 10 and placing board 1, can improve the hindrance power of pivot 3 like this to it is stable to make things convenient for surveying instrument to rotate the back location.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a survey and drawing is with rotatory limit structure for tripod, includes places board (1), its characterized in that, the top of placing board (1) is rotated and is connected with pivot (3), surveying instrument main part (4) are installed at pivot (3) top, the fixed cover in outer lane of pivot (3) is equipped with fixed plate (5), the both sides of fixed plate (5) are equipped with slide mechanism, slide mechanism's fixed cover in outer lane is equipped with solid fixed ring (11), the top fixedly connected with installing frame (12) of placing board (1), second spout (13) have been seted up along its direction of height to the both sides frame wall of installing frame (12), the inside slidable mounting of second spout (13) has two second sliders (14), is located same inside two of second spout (13) one side that second slider (14) are close to each other is connected with second spring (15), one side of the second sliding block (14) extending out of the second sliding groove (13) is welded with a clamping block (16), and the clamping block (16) is in contact with the fixing ring (11).

2. The rotation limiting structure for the tripod for surveying and mapping according to claim 1, wherein the sliding mechanism comprises a movable plate (7), a first sliding groove (8), a first slider (6), a first spring (9) and a sliding ball (10), the first sliding groove (8) is formed in each of two mutually close sides of the movable plate (7) along the height direction of the movable plate, the first slider (6) is slidably mounted inside the first sliding groove (8), one side of the first slider (6) is welded to the fixed plate (5), the first spring (9) is connected to the bottom of the first slider (6), and the sliding ball (10) is welded to the bottom of the movable plate (7).

3. The rotation limiting structure for the tripod for surveying and mapping as claimed in claim 1, wherein a bearing is fixedly sleeved at the bottom end of the rotating shaft (3), and the bearing is connected with the placing plate (1) through a bolt.

4. The rotation limiting structure for the tripod for surveying and mapping according to claim 1, wherein the bottom of the placing plate (1) is hinged with three supporting columns (2), a through hole is formed in the top frame wall of the mounting frame (12), and the rotating shaft penetrates through the through hole.

5. The rotation limiting structure for the tripod for surveying and mapping as claimed in claim 1, wherein the outer ring of the fixing ring (11) is provided with a circular arc-shaped convex surface, one side of the clamping block (16) close to the fixing ring (11) is provided with a circular arc-shaped concave surface, and the concave surface is in contact with the convex surface.