CN216385640U - Precision coordinate projection measuring device and precision coordinate projection measuring assembly - Google Patents

Abstract

The utility model relates to a precise coordinate projection measuring device and a precise coordinate projection measuring assembly which are convenient, efficient, high in precision and labor-saving. The precision coordinate projection measuring device comprises: the device comprises a base frame, a pair of longitudinal slide rails longitudinally arranged on two sides of the base frame in parallel, a transverse slide rail transversely matched with the pair of longitudinal slide rails, a sliding block slidably matched with the transverse slide rail, a longitudinal fine adjustment screw rod arranged on one side of one longitudinal slide rail and in threaded fit with the end part of the transverse slide rail, and a transverse fine adjustment screw rod fixed on one side of the transverse slide rail and in threaded fit with the sliding block.

Description

Precision coordinate projection measuring device and precision coordinate projection measuring assembly

Technical Field

The utility model relates to a precise coordinate projection measuring device, in particular to a device capable of transmitting and jointly measuring underground, underground or tunnels by ground coordinates and a precise coordinate projection measuring component.

Background

At present, the coordinate transmission from the ground to the underground is generally carried out by a method of hanging steel wire ropes, and before each use, coordinate retest is carried out on the steel wire ropes (at least two steel wire ropes) which are hung in advance by a front intersection method, and then the steel wire ropes are transmitted after being solved to obtain the coordinates of a set station by a rear intersection method. Therefore, the utility model provides a coordinate projection measuring device which is convenient, efficient, high in precision and labor-saving.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and the device and provides a precise coordinate projection measuring device and a precise coordinate projection measuring assembly which are convenient, efficient, high in precision and labor-saving.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:

a precision coordinate projection apparatus, comprising: the device comprises a base frame, a pair of longitudinal slide rails longitudinally arranged on two sides of the base frame in parallel, a transverse slide rail transversely matched with the pair of longitudinal slide rails, a sliding block slidably matched with the transverse slide rail, a longitudinal fine adjustment screw rod arranged on one side of one longitudinal slide rail and in threaded fit with the end part of the transverse slide rail, and a transverse fine adjustment screw rod fixed on one side of the transverse slide rail and in threaded fit with the sliding block.

The base frame is provided with an extension part for being fixed on the support frame.

A precision coordinate projection and measurement assembly is characterized in that the precision coordinate projection and measurement device comprises a steel wire rope, a vertical ball, a forced centering device arranged at the center of a well, an observation pier pre-built at the bottom of the well, and a pair of total stations; the forced centering device is fixed at the top of the observation pier, when the precise coordinate projection measuring device is used, the precise coordinate projection measuring device is fixed on a support frame on the ground, the precise coordinate projection measuring device is arranged on a wellhead of the well and right above the forced centering device, the top end of the steel wire rope is fixed on the sliding block, and the bottom end of the steel wire rope is tied with a vertical ball; the distance between the forced centralizer and the vertical ball is controlled within 10 cm; the pair of total stations are erected on two sides of the observation pier respectively so as to observe whether the steel wire rope and the forced centering device are on the same vertical line or not through the pair of total stations; if the steel wire rope and the forced centering device are not on the same vertical line, the sliding block is adjusted through the longitudinal and transverse fine adjustment screw rods until the steel wire rope and the forced centering device are on the same vertical line.

The utility model has the beneficial effects that: (1) the coordinate projection measurement is carried out on the observation pier which is built underground in advance according to the projection measurement device, the whole network adjustment can be carried out on the observation data, and the same precision of the ground and the underground can be realized; (2) the method is efficient, the coordinates only need to be measured once, the coordinate detection points are made underground, automatic detection is carried out before use every time, and the work of transmitting and detecting the coordinates above ground and underground every time of surveying and mapping by using a traditional method is not needed; (3) the coordinate point is convenient to use and convenient to store, the total station can be directly installed on the observation pier underground during use, the observation pier is more striking and is not easy to damage.

Drawings

FIG. 1 is a top view of a precision coordinate projection apparatus of the present invention;

in the figure: the device comprises longitudinal slide rails 2-1, transverse slide rails 2-2, a base frame 2-3, longitudinal fine adjustment screw rods 2-4, transverse fine adjustment screw rods 2-5 and slide blocks 2-6;

FIG. 2 is a schematic view of the precise coordinate projection measuring device in use and structure;

in the figure: the device comprises a support frame 1, a throwing and measuring device 2, a steel wire rope 3, a plumb bob 4, a forced centering device 5, an observation pier 6 and a total station 7.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

In fig. 1, a precision coordinate projection apparatus 2 of the present invention includes: the device comprises a sliding base frame 2-3, a pair of longitudinal slide rails 2-1 longitudinally arranged on two sides of the base frame 2-3 in parallel, a transverse slide rail 2-2 transversely matched with the pair of longitudinal slide rails 2-1 in a sliding manner, a slide block 2-6 slidably matched with the transverse slide rail 2-2, a longitudinal fine adjustment screw rod 2-4 arranged on one side of one longitudinal slide rail 2-1 and in threaded fit with the end part of the transverse slide rail 2-2, and a transverse fine adjustment screw rod 2-5 fixed on one side of the transverse slide rail 2-2 and in threaded fit with the slide block 2-6.

When the precise throwing and measuring device is used, the base frame of the precise throwing and measuring device is fixed above a throwing and measuring point, the fixing error is within the adjustable range of the longitudinal and transverse fine adjusting rods, a steel wire rope is tied on the sliding block corresponding to the transverse fine adjusting screw rod, the wire diameter of the steel wire rope is not more than 0.3mm, and the final position of the steel wire rope is adjusted by respectively rotating the longitudinal and transverse fine adjusting screw rods.

In fig. 2, the whole usage status of the precision coordinate projection measurement assembly of the present invention is mainly composed of: the device comprises a support frame 1, a precise coordinate projection and measurement device 2, a steel wire rope 3, a plumb bob 4, a forced centering device 5, an observation pier 6 and a total station 7.

When the centering device is used, the throwing and measuring device 2 is fixed on the support frame 1 on the ground, and the throwing and measuring device 2 is arranged above the forced centering device 5 and within the range of the longitudinal and transverse fine adjustment screw rods. In order to ensure the vertical state of the steel wire rope, a drooping ball 4 with the same weight is tied at the bottom end of the steel wire rope; the well bottom is pre-built with an observation pier 6, a forced centralizer 5 prefabricated above is fixed above, the distance between the forced centralizer 5 and the vertical ball 4 is as small as possible (generally less than 10 cm), and the observation error of the total station can be reduced; two sets of total stations 7 are respectively erected around the observation pier 6, and the included angle with the observation pier 6 as the center is about 90 degrees; and the two total stations 7 respectively aim at the center of the forced centering device 5 by using a vertical wire and then upwards observe the steel wire rope 3, the vertical wire of the total stations is required to be not overlapped with the steel wire rope, and at this time, ground personnel are instructed to completely overlap the steel wire rope and the vertical wires in the two total stations by rotating two vertical and horizontal fine adjusting rods on the dotting device, so that dotting is finished. And finally, measuring the relative relation between the steel wire rope 3 and the adjacent control points on the ground by using a conventional surveying and mapping method.

All the components selected in the application are general standard components or components known by those skilled in the art, and the structure and the principle of the components can be known by technical manuals or by routine experiments.

In the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; the connection can be mechanical connection or electrical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations can be made by the worker in the light of the above teachings without departing from the spirit of the utility model. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (3)

1. A precision coordinate projection measuring device is characterized by comprising: the device comprises a base frame (2-3), a pair of longitudinal sliding rails (2-1) longitudinally arranged on two sides of the base frame (2-3) in parallel, a transverse sliding rail (2-2) transversely matched with the pair of longitudinal sliding rails (2-1), a sliding block (2-6) slidably matched with the transverse sliding rail (2-2), a longitudinal fine adjustment screw rod (2-4) arranged on one side of the longitudinal sliding rail (2-1) and in threaded fit with the end part of the transverse sliding rail (2-2), and a transverse fine adjustment screw rod (2-5) fixed on one side of the transverse sliding rail (2-2) and in threaded fit with the sliding block (2-6).

2. Precise coordinate projection apparatus according to claim 1, characterized in that the base frame (2-3) has an extension for fixing on the support frame (1).

3. A precision coordinate projection measuring assembly, characterized by comprising a precision coordinate projection measuring device (2) of claim 1 or 2, a steel wire rope (3), a plumb bob (4), a forced centralizer (5) arranged at the center of the well, an observation pier (6) pre-built at the bottom of the well, and a pair of total stations (7);

the forced centering device (5) is fixed at the top of the observation pier (6), when the forced centering device is used, the precise coordinate projection and measurement device (2) is fixed on a support frame (1) on the ground, the precise coordinate projection and measurement device (2) is arranged on a wellhead of the well and right above the forced centering device (5), the top end of the steel wire rope (3) is fixed on the sliding block (2-6), and the bottom end of the steel wire rope (3) is tied with a plumb ball (4); the distance between the forced centering device (5) and the vertical ball (4) is controlled within 10 cm; a pair of total stations (7) are respectively erected on two sides of the observation pier (6) so as to observe whether the steel wire rope (3) and the forced centralizer (5) are on the same vertical line or not through the pair of total stations (7); if the steel wire rope and the forced centering device are not on the same vertical line, the sliding blocks (2-6) are adjusted through the longitudinal and transverse fine adjustment screw rods until the steel wire rope (3) and the forced centering device (5) are on the same vertical line.

Images