CN205403771U - Self -interacting level micrometer frame - Google Patents

Abstract

The utility model discloses a self-adjusting level gauge frame, which comprises an outer disk (1) and a ring-shaped inner disk (3) rotatably installed in the outer disk (1), and a rotating shaft (4) is installed in the inner hole of the inner disk (3). ), a mounting hole (6) is provided on the rotating shaft (4), and a tripod (8) is provided under the outer disk (1). The beneficial effects of the utility model are: the utility model can keep the measuring ruler vertically automatically under the action of gravity, avoiding errors caused by manual support, and the flexibility of rotation can be improved and reduced by setting steel balls between the outer disk and the inner disk. Friction, by setting the inner disk locking screw, the inner disk locking screw can be tightened toward the inner disk to lock the inner disk, and by setting the rotating shaft locking screw, the rotating shaft locking screw can be tightened toward the rotating shaft to lock the rotating shaft, so that Limit the position of the measuring ruler after the measuring ruler is vertical to improve the accuracy of measurement.

Description

A self-adjusting leveling rod stand

technical field

The utility model relates to a measuring device, in particular to a self-adjusting leveling frame.

Background technique

In the surveying industry, it involves leveling, that is, using a level and a leveling rod to measure the height difference between two points on the ground. Such measurement requires that the leveling rod must be placed vertically at the selected location. Under the prior art conditions, the leveling rod is vertically placed manually and kept fixed manually. In this process, due to the human operation, there will be certain errors, and it is difficult to keep the leveling rod absolutely vertical, which will lead to errors in the entire measurement, and the error range is uncontrollable.

Utility model content

The purpose of the utility model is to provide a self-adjusting leveling frame which is simple in structure, convenient to use, and can reliably keep the measuring ruler vertical.

The utility model is realized through the following technical solutions: a self-adjusting level gauge frame, including an outer disk and a ring-shaped inner disk that is rotatably installed in the outer disk, and a rotating shaft is installed in the inner hole of the inner disk, and a measuring ruler is installed on the rotating shaft. There are mounting holes, and there is a tripod under the outer plate.

The outer disc is a circular outer disc, and several steel balls are arranged between the outer disc and the inner disc.

The axis of the rotating shaft is vertically intersected with the axis of the inner disc, and the two ends of the rotating shaft are located in the inner disc.

The thickness of the inner disc is greater than that of the outer disc, and the positions of the rotating shaft and the steel balls are staggered.

The side surface of the outer disk is provided with threaded holes along the radial direction, and inner disk locking screws are installed in the threaded holes.

The inner disc is provided with a threaded hole in the axial direction, and a rotating shaft locking screw is installed in the threaded hole, and the axis of the rotating shaft locking screw intersects with the axis of the rotating shaft.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

(1) In this utility model, by setting the inner disk and making the inner disk rotatable, the measuring ruler can be freely rotated in the plane where the inner disk is located. By setting the rotating shaft, the measuring ruler can be swung in the vertical plane, so that the measuring ruler can Automatically keep vertical under the action of gravity, avoiding errors caused by manual support;

(2) The utility model can improve the flexibility of rotation and reduce friction by arranging steel balls between the outer disk and the inner disk. The rotating shaft locking screw can make the rotating shaft locking screw be tightened to the rotating shaft to lock the rotating shaft, so as to limit the position of the measuring ruler after the measuring ruler is vertical, so as to improve the accuracy of measurement;

(3) In the utility model, the thickness of the inner disc is greater than that of the outer disc, so that the position of the rotating shaft and the steel ball can be staggered to avoid interference between the steel ball and the rotating shaft or the installation of the rotating shaft, thereby affecting the rotation of the inner disc.

Description of drawings

Fig. 1 is a top view of a self-adjusting leveling rod frame;

Fig. 2 is a front view of a self-adjusting leveling rod frame;

Fig. 3 is a structural schematic diagram of a self-adjusting leveling rod frame mounting a measuring ruler;

Fig. 4 is the structural representation that measuring ruler is positioned;

Fig. 5 is the schematic diagram of measuring ruler locking structure;

Among them, 1—outer disc, 2—steel ball, 3—inner disc, 4—rotating shaft, 5—rotating shaft locking screw, 6—installation hole, 7—inner disc locking screw, 8—tripod, 9—measurement ruler locking screw, 10— Measuring ruler, 11—ground.

detailed description

The utility model will be further described in detail below in conjunction with the examples, but the implementation of the utility model is not limited thereto.

Example 1:

As shown in Figures 1 to 4, in this embodiment, a self-adjusting leveling rod frame includes a circular outer disk 1 and a ring-shaped inner disk 3 rotatably installed in the outer disk 1, between the outer disk 1 and the inner disk 3 Several steel balls 2 are provided, and a rotating shaft 4 is installed in the inner hole of the inner disk 3. In this embodiment, the axis of the rotating shaft 4 intersects the axis of the inner disk 3 perpendicularly, and the two ends of the rotating shaft 4 are located in the inner disk 3. The thickness of the inner disc 3 is greater than the thickness of the outer disc 1, the position of the rotating shaft 4 is staggered with the steel ball 2, the rotating shaft 4 is provided with a mounting hole 6 for installing the measuring ruler 10, and the outer disc 1 is provided with a tripod 8 below.

In this embodiment, the side surface of the outer disk 1 is provided with threaded holes in the radial direction, and the inner disk locking screws 7 are installed in the threaded holes, and the inner disk 3 is provided with threaded holes in the axial direction, and the rotating shaft is installed in the threaded holes. Screw 5, the axis of the rotating shaft locking screw 5 intersects the axis of the rotating shaft 4. By setting the inner disc locking screw, the inner disc locking screw can be tightened to the inner disc to lock the inner disc. By setting the rotating shaft locking screw, the rotating shaft can be The locking screw is screwed to the rotating shaft to lock the rotating shaft, so as to limit the position of the measuring ruler after the measuring ruler is vertical, so as to improve the accuracy of measurement.

The working process of the utility model is as follows: the utility model tripod 8 is placed on the ground 11 downwards, the measuring ruler 10 is installed in the mounting hole 6, and the measuring ruler 10 is transitionally matched with the mounting hole 6, so that the measuring ruler 10 is suspended, as shown in the figure 3, the center of gravity of the measuring ruler 10 is below the outer disk 1 at this moment. Since the inner disc 3 and the rotating shaft 4 can rotate freely, the measuring ruler 10 can remain vertical under the action of gravity even if the ground is tilted. After the position of measuring ruler 10 is determined, tighten the inner disc locking screw 7 and the rotating shaft locking screw 5 so that the inner disc 3 and the rotating shaft 4 cannot rotate, then the measuring ruler 10 is put down to contact the ground 11 to measure.

Example 2:

As shown in Figure 5, in this embodiment, a measuring ruler locking screw 9 is installed on the rotating shaft 4, and the measuring ruler locking screw 9 is arranged perpendicular to the mounting hole 6. After the measuring ruler 10 is installed in the mounting hole 6, tighten it. The measuring ruler locking screw 9 is used to lock the measuring ruler 10 to prevent the measuring ruler 10 from slipping off.

The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Any simple modification or equivalent change made to the above embodiments according to the technical essence of the utility model falls within the scope of the present utility model. Within the protection scope of the present utility model.

Claims (6)

1. a self-regulation leveling rod support, it is characterized in that: include outer disk (1) and the inner disc (3) of ring-type being rotatably installed in outer disk (1), rotating shaft (4) it is rotatablely equipped with in the endoporus of inner disc (3), rotating shaft (4) is provided with the installing hole (6) for installing dip stick, and outer disk (1) is connected with spider (8).

2. a kind of self-regulation leveling rod support according to claim 1, it is characterised in that: described outer disk (1) is annular outer disk, is provided with several steel balls (2) between outer disk (1) and inner disc (3).

3. a kind of self-regulation leveling rod support according to claim 2, it is characterised in that: the axis of described rotating shaft (4) and the axis of inner disc (3) intersect vertically, and the two ends of rotating shaft (4) are positioned at inner disc (3).

4. a kind of self-regulation leveling rod support according to claim 3, it is characterised in that: the thickness of described inner disc (3) is more than the thickness of outer disk (1), and the position of rotating shaft (4) and steel ball (2) stagger.

5. a kind of self-regulation leveling rod support according to claim 1, it is characterised in that: the side of described outer disk (1) is radially provided with screwed hole, is provided with inner disc lock-screw (7) in screwed hole.

6. a kind of self-regulation leveling rod support according to claim 1, it is characterized in that: described inner disc (3) is provided with screwed hole vertically, the axes intersect of rotating shaft lock-screw (5), the axis of rotating shaft lock-screw (5) and rotating shaft (4) is installed in screwed hole.