CN216523872U

CN216523872U - Vertical retaining device for box staff

Info

Publication number: CN216523872U
Application number: CN202123365070.1U
Authority: CN
Inventors: 龚强; 孙广怡; 罗纲
Original assignee: Heilongjiang Huarui Wisdom Land Science And Technology Development Co ltd
Current assignee: Heilongjiang Huarui Wisdom Land Science And Technology Development Co ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-05-13
Anticipated expiration: 2031-12-28

Abstract

A vertical retaining device for a sliding staff belongs to the technical field of measuring instruments. A U-shaped groove is formed in one side face of the base, a threaded hole communicated with the U-shaped groove is formed in one end face of the base, the threaded rod is in threaded connection with the threaded hole, the front end of the threaded rod is fixedly connected with an inner ring of the bearing, an outer ring of the bearing is fixedly connected with the two clamp plates, the two clamp plates are arranged in the U-shaped groove, the first clamp plate and the second clamp plate are oppositely arranged and fixed on the inner wall of the U-shaped groove, the upper end of the base is fixedly connected with the lower end of the telescopic rod, the clamp mechanism is horizontally arranged and is fixedly connected with the upper end of the telescopic rod, and the central line of a clamping port of the clamp mechanism and the central line of the U-shaped groove are located on the same straight line. The utility model can vertically keep the tower ruler fixed, avoids the measurement error caused by manual direct operation, can be completed by only one person, realizes the aim of performing height measurement by one person, saves manpower and material resources, has simple and convenient operation, improves the working efficiency and reduces the cost.

Description

Vertical retaining device for box staff

Technical Field

The utility model belongs to the technical field of measuring instruments, and particularly relates to a vertical retaining device for a sliding staff.

Background

In modern measurement engineering, there are various fixing structures for a sliding staff used for measuring elevation, and also various fixing structures for a prism in coordinate measurement, and generally, in elevation measurement, the sliding staff is manually fixed and straightened by experience. When the sliding staff is manually fixed, two or more workers are needed to cooperate with each other, so that time and labor are wasted, and the working efficiency is low; meanwhile, when the tower ruler is straightened manually, large errors easily exist, and measurement data are not accurate enough.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the background art, the utility model provides a vertical retaining device for a sliding staff.

The utility model adopts the following technical scheme: a vertical retaining device for a sliding staff comprises a base, a first clamping plate, a second clamping plate, a threaded rod, an expansion rod and a clamp mechanism;

the utility model discloses a clamp structure, including base, threaded rod, splint two, clamp mechanism, telescopic link, anchor clamps mechanism, U-shaped groove, threaded rod and threaded hole threaded connection, the threaded rod front end and the inner ring fixed connection of bearing, the outer loop and the two fixed connection of splint of bearing, splint two sets up at the U-shaped inslot, splint one sets up and fixes on the inner wall of U-shaped groove with splint two relatively, the upper end of base and the lower extreme fixed connection of telescopic link, the clamp mechanism level sets up, and with the upper end fixed connection of telescopic link, and the centre gripping mouth central line of clamp mechanism is located same straight line with the central line in U-shaped groove.

Compared with the prior art, the utility model has the beneficial effects that: the utility model can vertically keep the tower ruler fixed, avoids the measurement error caused by manual direct operation, can be completed by only one person, realizes the aim of performing elevation measurement by one person, saves manpower and material resources, has simple and convenient operation, improves the working efficiency and reduces the cost.

Drawings

FIG. 1 is a front view of the overall construction of the present invention;

FIG. 2 is a bottom view of the base plate of FIG. 1;

FIG. 3 is a schematic view of the clamp mechanism of the present invention;

FIG. 4 is a cross-sectional view of the clamping mechanism of the present invention.

In the figure: the device comprises a base 1, a first clamping plate 2, a second clamping plate 3, a threaded rod 4, an outer tube 5, an inner tube 6, a jackscrew 7, a clamp mechanism 8, a telescopic rod 9, a tower ruler 10, a clamping opening 11, a movable plate 801, a cross rod 802, an L-shaped fixing plate 803 and a spring 804.

Detailed Description

The technical solutions in 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, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.

As shown in fig. 1 to 4, the present embodiment describes a vertical sliding staff holding device, which includes a base 1, a first clamping plate 2, a second clamping plate 3, a threaded rod 4, an expansion rod 9, and a clamp mechanism 8;

open base 1's a side has the U-shaped groove, base 1's a terminal surface be equipped with the communicating screw hole in U-shaped groove, threaded rod 4 and screw hole threaded connection, the inner ring fixed connection of 4 front ends of threaded rod and bearing, the outer loop and the two 3 fixed connection of splint of bearing, splint two 3 set up at the U-shaped inslot, splint one 2 sets up and fixes on the inner wall in U-shaped groove with splint two 3 relatively, the upper end of base 1 and the lower extreme fixed connection of telescopic link 9, 8 levels of anchor clamps mechanism set up, and with the upper end fixed connection of telescopic link 9, and the centre gripping mouth 11 central line of anchor clamps mechanism 8 is located same straight line with the central line in U-shaped groove.

The clamp mechanism 8 comprises a movable plate 801, two cross bars 802, an L-shaped fixed plate 803 and a spring 804;

one side wall of the movable plate 801 is fixedly connected with one end of each of the two cross bars 802, the two cross bars 802 are symmetrically arranged up and down, the spring 804 is arranged between the two cross bars 802, one end of the spring 804 is fixed on the side wall of the movable plate 801, a notch formed between the L-shaped fixing plate 803 and the movable plate 801 is a clamping opening 11, three through holes corresponding to the two cross bars 802 and the spring 804 are formed in the L-shaped fixing plate 803, the spring 804 and the other ends of the two cross bars 802 are respectively inserted into the corresponding through holes, and the other end of the spring 804 is fixedly connected with the through holes.

Rubber pads are fixed on the opposite side surfaces of the two ends of the first clamping plate 2 and the second clamping plate 3, and friction force of the first clamping plate 2 and the second clamping plate 3 for clamping the sliding staff is increased.

The telescopic rod 9 comprises an outer tube 5, an inner tube 6 and a jackscrew 7; the upper end of base 1 and the lower extreme fixed connection of the outer tube 5 of perpendicular setting, the lower extreme of inner tube 6 slides and sets up in outer tube 5, the 5 pipe walls of outer tube are along radially being equipped with the screw thread through-hole, it has jackscrew 7 to connect soon in the screw thread through-hole, and outer tube 5 passes through jackscrew 7 and inner tube 6 fastening connection, and the upper end of inner tube 6 is fixed with the anchor clamps mechanism 8 of level setting.

When the utility model is used, the lower end of the sopwith staff 10 is vertically placed between the first clamping plate 2 and the second clamping plate 3, the second clamping plate 3 is pushed by rotating the threaded rod 4 to clamp the sopwith staff 10, the jackscrew 7 is rotated according to the height of the sopwith staff to adjust the height of the clamp mechanism 8, the movable plate 801 is pulled outwards, and the upper end of the sopwith staff 10 is fixed in the clamping opening 11 through the resilience force of the spring 804, so that the sopwith staff 10 is always kept vertical. It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A sopwith staff vertical retaining device which characterized in that: comprises a base (1), a first clamping plate (2), a second clamping plate (3), a threaded rod (4), an expansion rod (9) and a clamp mechanism (8);

open the side of base (1) has the U-shaped groove, the terminal surface of base (1) be equipped with the communicating screw hole of U-shaped groove, threaded rod (4) and screw hole threaded connection, the inner ring fixed connection of threaded rod (4) front end and bearing, the outer loop and the splint two (3) fixed connection of bearing, splint two (3) set up at the U-shaped inslot, splint (2) set up and fix on the inner wall of U-shaped groove with splint two (3) relatively, the upper end of base (1) and the lower extreme fixed connection of telescopic link (9), fixture mechanism (8) level sets up, and with the upper end fixed connection of telescopic link (9), and the centre gripping mouth (11) central line of fixture mechanism (8) is located same straight line with the central line in U-shaped groove.

2. The device for vertically holding a sliding staff as claimed in claim 1, wherein: the clamp mechanism (8) comprises a movable plate (801), two cross rods (802), an L-shaped fixed plate (803) and a spring (804);

one side wall of the movable plate (801) is fixedly connected with one ends of the two cross rods (802), the two cross rods (802) are arranged in an up-down symmetrical mode, the spring (804) is arranged between the two cross rods (802) and one end of the spring is fixed on the side wall of the movable plate (801), a notch formed between the L-shaped fixing plate (803) and the movable plate (801) is a clamping opening (11), three through holes corresponding to the two cross rods (802) and the spring (804) are formed in the L-shaped fixing plate (803), the other ends of the spring (804) and the two cross rods (802) are respectively inserted into the corresponding through holes, and the other end of the spring (804) is fixedly connected with the through holes.

3. The device for vertically holding a sliding staff as claimed in claim 1, wherein: rubber pads are fixed on the opposite side surfaces of the two ends of the first clamping plate (2) and the second clamping plate (3).

4. The device for vertically holding a sliding staff as claimed in claim 1, wherein: the telescopic rod (9) comprises an outer tube (5), an inner tube (6) and a jackscrew (7); the upper end of base (1) and the lower extreme fixed connection of the outer tube (5) of perpendicular setting, the lower extreme of inner tube (6) slides and sets up in outer tube (5), outer tube (5) pipe wall is along radially being equipped with the screw thread through-hole, it has jackscrew (7) to have connect soon in the screw thread through-hole, and outer tube (5) pass through jackscrew (7) and inner tube (6) fastening connection, the upper end of inner tube (6) is fixed with anchor clamps mechanism (8) that the level set up.