CN212988341U

CN212988341U - Level gauge support and level gauge

Info

Publication number: CN212988341U
Application number: CN202022375185.8U
Authority: CN
Inventors: 刘军华
Original assignee: Suzhou Jiahua Surveying And Mapping Instrument Co ltd
Current assignee: Suzhou Jiahua Surveying And Mapping Instrument Co ltd
Priority date: 2020-10-22
Filing date: 2020-10-22
Publication date: 2021-04-16
Anticipated expiration: 2030-10-22

Abstract

The utility model relates to a surveying and mapping instrument technical field discloses a surveyor's level support, including rotatable tray, the below of tray is provided with the fixing base, the side of fixing base is provided with the side otic placode, the round pin axle has been inlayed on the side otic placode, it is provided with the dead lever to rotate on the round pin axle, the surface of dead lever is provided with the altitude mixture control screw thread, the lower extreme threaded connection of dead lever has the movable rod, the side of movable rod is provided with lock nut, the lower extreme of movable rod is provided with the toper heel brace, the fixed drive tray pivoted adjustment handle that is provided with in below of fixing base. Use the technical scheme of the utility model, the rotatory movable rod of user's accessible makes the movable rod carry out the micro and reciprocate on the dead lever, and through the meshing of the altitude mixture control screw thread on dead lever surface and the inside screw thread of movable rod, the user need not anxious range of regulation too big when carrying out altitude mixture control to the tray, and accommodation process is slow, has improved the operating efficiency.

Description

Level gauge support and level gauge

Technical Field

The utility model relates to a surveying and mapping instrument technical field especially relates to a surveyor's level support and surveyor's level.

Background

The level gauge is an instrument for measuring the height difference between two ground points by establishing a horizontal sight line, and the height difference between the ground points is measured according to the leveling principle. The spirit level needs to use the cooperation of spirit level support when using. The existing level gauge support still has certain drawback when using, and the foot rest of the existing level gauge support is mostly fixed swing, and its telescopic foot rest is then when the height-adjusting, and the regulating variable is difficult to control, leads to measuring the operating efficiency lower.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a surveyor's level support and surveyor's level to solve the above-mentioned technical problem among the prior art.

In order to realize the purpose, the utility model discloses a technical scheme be:

the utility model provides a level support, including rotatable tray, the below of tray is provided with the fixing base, the side of fixing base is provided with the side otic placode, the round pin axle has been inlayed on the side otic placode, it is provided with the dead lever to rotate on the round pin axle, the surface of dead lever is provided with the altitude mixture control screw thread, the lower extreme threaded connection of dead lever has the movable rod, the side of movable rod is provided with lock nut, the lower extreme of movable rod is provided with the toper heel brace, the fixed adjustment handle who drives tray pivoted that is provided with in below of fixing base.

According to the level bracket of the utility model, the connecting part of the tray and the fixed seat is provided with the connecting shaft, the upper end of the connecting shaft is connected at the center of the lower part of the tray, and the lower end of the connecting shaft penetrates through the fixed seat and is connected with the upper end of the adjusting handle; the connecting shaft is fixedly connected with the tray, and the connecting shaft is movably connected with the fixed seat.

According to the utility model discloses a level support, it adjusts the insection to set up elastic rotation on the circumference of connecting axle, the quantity that the insection was adjusted in the rotation is a plurality of, and is the circumference array and arranges, the rotation is adjusted the center department of insection and fixing base and is connected for the meshing.

According to the utility model discloses a level support, the round pin axle runs through in the upper end of dead lever, and be swing joint between the two, the lower extreme of dead lever inlays in the inside of movable rod, and is swing joint between the two, the lower extreme surface of movable rod and the laminating of the upper end surface of toper heel brace, and be fixed connection between the two.

According to the utility model discloses a level support, lock nut passes the body wall of movable rod and supports the altitude mixture control screw thread of tight dead lever.

According to the utility model discloses a level support, side otic placode is fixed connection with the fixing base, the quantity of side otic placode is three pairs, and is the circumference array and arranges, the round pin axle inlays in the inboard of side otic placode, and is fixed connection between the two.

There is provided a level comprising a level support as claimed in any one of the preceding claims, and a level body mounted on an upper surface of the tray.

The utility model has the advantages that:

use the technical scheme of the utility model, this level support when using, the user is whole with the support place subaerial that needs use, and the user opens dead lever and movable rod, makes toper heel brace contact ground, makes it fixed. After fixing the tray, the user fixes the surveyor's level in the upper end of tray, and the user starts the surveyor's level, makes level laser launch, and the user can be according to the laser line, adjusts the position of surveyor's level. The user accessible is rotatory movable rod, makes the movable rod carry out the micro reciprocating on the dead lever, adjusts the height position of three movable rods, and user's accessible lock nut is fixed movable rod and dead lever after adjusting well. Through the meshing of the height adjustment screw thread on the surface of the fixed rod and the screw thread inside the movable rod, a user does not need to worry about the overlarge adjustment range when adjusting the height of the tray, the adjustment process is slow, and the operation efficiency is improved.

In the adjusting process, a user can enable the connecting shaft to be matched with the fixing seat through the adjusting handle, and the tray and the level gauge above the tray can be slightly adjusted in a rotating mode in the horizontal direction. The number of the rotary adjusting insections is large, so that the rotating amplitude of the tray is small in the adjusting process, and a user can conveniently perform fine adjustment. Through the cooperation of adjustment handle, connecting axle and fixing base, can carry out the rotatory fine setting of horizontal direction to the spirit level of tray and top, its regulation precision is high. The cooperation setting of adjustment handle, connecting axle and fixing base has solved current level gauge support when using, when carrying out rotatory transfer to the level gauge, need wholly rotate level gauge and support in the lump, leads to the height position of the supporting legs of level gauge support to change, just needs to adjust again, the technical problem of inconvenient user's operation.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of the present invention;

FIG. 2 is a bottom view of FIG. 1;

FIG. 3 is a front view of FIG. 1;

FIG. 4 is a top view of FIG. 1;

FIG. 5 is a schematic view of the connection shaft engaging with the fixing base;

FIG. 6 is an enlarged partial view of portion A of FIG. 5;

reference numerals:

1-a tray; 2-a fixed seat; 3-fixing the rod; 4-locking the nut; 5-a movable rod; 6-conical foot supports; 7-side ear plate; 8-a pin shaft; 9-adjusting the handle; 10-height adjustment threads; 11-a connecting shaft; 12-rotation adjustment insection.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

Please refer to the attached drawings. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

Examples

Please refer to fig. 1-6, the utility model provides a level support, including rotatable tray 1, tray 1's below is provided with fixing base 2, the surface of fixing base 2 side is provided with side otic placode 7, install round pin axle 8 on the side otic placode 7, it is provided with dead lever 3 to rotate on the round pin axle 8, the surface of dead lever 3 is provided with height-adjusting screw thread 10, the lower extreme threaded connection of dead lever 3 has movable rod 5, the side of movable rod 5 is provided with lock nut 4, the lower extreme of movable rod 5 is provided with toper heel brace 6, the fixed adjustment handle 9 that is provided with in below of fixing base 2.

Tray 1 is provided with connecting axle 11 with the junction of fixing base 2, and the below center department at tray 1 is connected to the upper end of connecting axle 11, and the lower extreme of connecting axle 11 runs through in fixing base 2, and connecting axle 11 is fixed connection with tray 1, is swing joint between connecting axle 11 and the fixing base 2, and the lower extreme of connecting axle 11 and the last end of adjustment handle 9 join, and be fixed connection between the two, and the user installs spirit level (body) on tray 1 and uses.

Set up elastic rotation regulation insection 12 on the circumference of connecting axle 11, and be fixed connection between the two, the quantity of rotation regulation insection 12 is a plurality of, and is the circumference array and arranges, and the center department of rotation regulation insection 12 and fixing base 2 is fixed connection. The center of the fixed seat 2 is provided with a through hole in which

The rotation adjusting insection 12 is provided with insections (can be set to be elastic). The insection is matched with the rotation adjusting insection 12, and the connecting shaft 11 drives the tray 1 to rotate by overcoming the meshing. The user accessible adjustment handle 9 drives connecting axle 11 and rotates, because of having the cooperation that is array arrangement rotation regulation insection 12, can carry out slight rotation to tray 1 and the surveyor's level of upper end.

The number of the side ear plates 7 is three pairs, the side ear plates are arranged in a circumferential array mode, the pin shaft 8 is arranged on the inner side of each side ear plate 7, and the side ear plates and the pin shaft are fixedly connected.

The pin shaft 8 penetrates through the upper end of the fixed rod 3, the fixed rod 3 and the height adjusting thread 10 are movably connected, the fixed rod 3 and the height adjusting thread 10 are fixedly connected, the lower end of the fixed rod 3 is embedded in the movable rod 5, the movable rod is movably connected with the movable rod, the outer surface of the lower end of the movable rod 5 is attached to the outer surface of the upper end of the conical foot support 6, and the movable rod are fixedly connected or integrally formed. The fixed rod 3 and the movable rod 5 at the lower end can be deflected and expanded or contracted below the fixed seat 2 through a pin shaft 8.

The inner side of the locking nut 4 is provided with threads corresponding to the outer surface of the fixed rod 3, and the threads and the fixed rod 3 penetrate through the body wall of the movable rod 5 and abut against the height adjusting threads 10 of the fixed rod 3. An elastic block may be connected to the extended end of the locking nut 4, which abuts against the locking height adjustment thread 10, preventing damage to the height adjustment thread 10.

Further, the leveling device can be formed by attaching the leveling device body to the upper surface of the tray 1.

It should be noted that, the utility model discloses a level support when using, the user is whole to be placed the support subaerial that needs use, and the user opens dead lever 3 and movable rod 5, makes toper heel brace 6 contact ground, makes it fix. After fixing the tray 1, the user fixes the surveyor's level in the upper end of tray 1, and the user starts the surveyor's level, makes level laser launch, and the user can be according to the laser line, adjusts the position of surveyor's level. In the adjusting process, a user can adjust the rotation adjusting insection 12 of the connecting shaft 11 to be matched with the fixed seat 2 through the adjusting handle 9, and can slightly rotate and adjust the tray 1 and a level gauge at the upper end in the horizontal direction. The number of the rotary adjusting insections 12 is large, so that the rotating amplitude of the tray 1 is small in the adjusting process, and a user can perform fine adjustment conveniently. The user can rotate the movable rods 5 to enable the movable rods 5 to slightly move up and down on the fixed rod 3, and the height positions of the three movable rods 5 are adjusted. After adjusting, user's accessible lock nut 4 fixes movable rod 5 and dead lever 3, through the cooperation of the altitude mixture control screw thread 10 of connecting axle 11, can carry out the fine setting of horizontal direction to the spirit level of tray 1 and upper end, it adjusts the precision height, altitude mixture control screw thread 10 and the meshing of 5 internal thread of movable rod through dead lever 3 surfaces are adjusted, the user need not anxious range of regulation too big when carrying out altitude mixture control to tray 1, the slow problem of accommodation process, the operating efficiency is improved, and is relatively practical.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. A level gauge stand, characterized by: including rotatable tray (1), the below of tray (1) is provided with fixing base (2), the side of fixing base (2) is provided with side otic placode (7), round pin axle (8) have been inlayed on side otic placode (7), it is provided with dead lever (3) to rotate on round pin axle (8), the surface of dead lever (3) is provided with altitude mixture control screw thread (10), the lower extreme threaded connection of dead lever (3) has movable rod (5), the side of movable rod (5) is provided with lock nut (4), the lower extreme of movable rod (5) is provided with toper heel brace (6), the fixed adjustment handle (9) that drive tray (1) pivoted that is provided with in below of fixing base (2).

2. The level holder of claim 1, wherein: a connecting shaft (11) is arranged at the joint of the tray (1) and the fixed seat (2), the upper end of the connecting shaft (11) is connected to the center of the lower part of the tray (1), and the lower end of the connecting shaft (11) penetrates through the fixed seat (2) and is connected with the upper end of the adjusting handle (9); the connecting shaft (11) is fixedly connected with the tray (1), and the connecting shaft (11) is movably connected with the fixed seat (2).

3. The level holder of claim 2, wherein: elastic rotation adjusting insections (12) are arranged on the circumference of the connecting shaft (11), the number of the rotation adjusting insections (12) is a plurality of, the rotation adjusting insections are arranged in a circumferential array, and the rotation adjusting insections (12) are connected with the center of the fixing seat (2) in a meshed manner.

4. The level holder of claim 1, wherein: the hinge pin (8) penetrates through the upper end of the fixed rod (3), the fixed rod and the fixed rod are movably connected, the lower end of the fixed rod (3) is embedded in the movable rod (5), the movable rod and the fixed rod are movably connected, the outer surface of the lower end of the movable rod (5) is attached to the outer surface of the upper end of the conical foot support (6), and the movable rod and the fixed rod are fixedly connected.

5. The level holder of claim 1, wherein: the locking nut (4) penetrates through the body wall of the movable rod (5) and abuts against the height adjusting thread (10) of the fixed rod (3).

6. The level holder of claim 1, wherein: the side ear plates (7) are fixedly connected with the fixing seat (2), the number of the side ear plates (7) is three, the side ear plates are arranged in a circumferential array mode, the pin shafts (8) are embedded in the inner sides of the side ear plates (7), and the side ear plates and the fixing seat are fixedly connected.

7. A level, characterized by: the leveling instrument bracket comprises the leveling instrument bracket and a leveling instrument body, wherein the leveling instrument body is arranged on the upper surface of the tray (1).