CN109163712B

CN109163712B - Portable surveying and mapping tool

Info

Publication number: CN109163712B
Application number: CN201811008023.1A
Authority: CN
Inventors: 陈琳; 周宜富; 刘剑锋
Original assignee: Yellow River Conservancy Technical Institute
Current assignee: Yellow River Conservancy Technical Institute
Priority date: 2018-08-31
Filing date: 2018-08-31
Publication date: 2020-11-24
Anticipated expiration: 2038-08-31
Also published as: CN109163712A

Abstract

The invention discloses a portable surveying and mapping tool, which comprises a supporting unit for mounting a surveying and mapping instrument, wherein the supporting unit comprises a plurality of butt-joint cylinders, two adjacent butt-joint cylinders are connected through the butt-joint units, and the butt-joint cylinders are provided with external thread sleeves, internal threads and locking holes; the butt joint unit includes connecting axle and U type frame, be equipped with step shaft and pivot on the U type frame, this mapping tool still includes the spliced pole, be provided with the articulated seat of three second along circumference evenly distributed on the spliced pole. The butt joint unit is used for realizing the connection of the butt joint barrels, the extension of the length of the butt joint barrels is realized, and meanwhile, the matching of the internal threads and the external thread sleeves on the butt joint barrels is utilized, so that the butt joint barrels can be connected into an independent straight barrel; two universal structures formed by the butt joint units enable two adjacent butt joint cylinders to have better flexibility, so that the flexibility is improved, and the carrying is more convenient.

Description

Portable surveying and mapping tool

Technical Field

The invention relates to the technical field of surveying and mapping devices, in particular to a portable surveying and mapping tool.

Background

In geological engineering survey work, the surveying instrument is indispensable instrument, and common surveying instrument has total powerstation, spirit level etc. and the use of these surveying instrument most all relies on the support, and current surveying instrument mostly uses the tripod, and its structural function is single, and the flexibility is poor, and it can only carry out simple folding, and the volume is great, carries inconveniently to its length extension is also comparatively single, can only carry out the adjustment of small range.

Disclosure of Invention

Aiming at the technical defects, the invention aims to provide a portable surveying and mapping tool, which solves the problems of single function, poor flexibility and inconvenience in carrying of the conventional surveying and mapping support.

In order to solve the technical problems, the invention adopts the following technical scheme:

the invention provides a portable surveying and mapping tool, which comprises a supporting unit for mounting a surveying and mapping instrument, wherein the supporting unit comprises a plurality of butting cylinders, two adjacent butting cylinders are connected through the butting unit, an external thread sleeve communicated with the butting cylinders is arranged at one end of each butting cylinder, internal threads matched with the external thread sleeve are arranged at the other end of each butting cylinder, and the peripheral walls of two ends of each butting cylinder are respectively provided with a locking hole; the butt joint unit comprises a connecting shaft and U-shaped frames symmetrically arranged at two ends of the connecting shaft, a stepped shaft is fixedly arranged on each U-shaped frame, a rotating shaft capable of rotating is arranged on each U-shaped frame, the connecting shaft is hinged to the rotating shaft, the stepped shaft is arranged in the butt joint barrel in a sliding mode, the inner diameter of the external thread sleeve and the inner diameter of the internal thread are both smaller than the inner diameter of the butt joint barrel, and the inner diameter of the external thread sleeve and the inner diameter of the internal thread are both larger than the length of the U-shaped frames; this mapping tool still includes the spliced pole, be provided with the articulated seat of three second along circumference evenly distributed on the spliced pole.

Preferably, the both ends symmetry of connecting axle is provided with two first articulated seats, first articulated seat passes through the bolt and articulates in the pivot, correspond the through-hole that the confession was seted up at the middle part of pivot the bolt passed, the axis of through-hole with the axis collineation of butt joint section of thick bamboo or crossing, first articulated seat with the big small structure of the articulated seat of second is the same.

Preferably, when the axes of the two through holes in the same docking unit are collinear with the axes of the two docking barrels connected to the docking unit, the distance between the two through holes is equal to the outer diameter of the docking barrel.

Preferably, the surveying and mapping tool further comprises a first end cap cooperating with the external threaded sleeve and a second end cap cooperating with the internal thread.

Preferably, a locking screw is arranged in the locking hole.

The invention has the beneficial effects that: the butt joint unit is used for realizing the connection of the butt joint barrels, so that the length of the butt joint barrels can be increased and reduced, the length of the butt joint barrels can be expanded, and meanwhile, the matching of the internal threads and the external thread sleeves on the butt joint barrels is utilized, so that a plurality of butt joint barrels can be connected into an independent straight barrel to be used as a marker post or a single-rod support; two universal structures that utilize the butt joint unit to form make and have better flexibility between two adjacent butt joint section of thick bamboo, can form the tripod through cooperating with the spliced pole, can carry out the folding of multistage again simultaneously, make its flexibility obtain improving, it is more convenient to carry.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention (in a single bar support);

FIG. 2 is a schematic structural view of the external thread bushing of FIG. 1 after being disengaged from the internal thread;

FIG. 3 is a partial cross-sectional view of FIG. 1;

FIG. 4 is a partial exploded view of FIG. 1;

FIG. 5 is a schematic view of the present invention (when tripod supported);

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

FIG. 7 is a schematic structural view of a connecting shaft;

fig. 8 is a schematic view of the folded structure of the present invention.

Description of reference numerals: 1-butt joint barrel, 11-internal thread, 12-external thread sleeve, 13-locking hole, 2-butt joint unit, 21-stepped shaft, 22-U-shaped frame, 221-rotating shaft, 23-connecting shaft, 231-first hinge seat, 3-connecting column, 31-second hinge seat and 4-locking screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 8, a portable surveying and mapping tool comprises a supporting unit for mounting a surveying and mapping instrument, the supporting unit comprises a plurality of docking barrels 1, two adjacent docking barrels 1 are connected through docking units 2, an external thread sleeve 12 communicated with the docking barrels 1 is arranged at one end of each docking barrel 1, an internal thread 11 matched with the external thread sleeve 12 is arranged at the other end of each docking barrel 1, and a locking hole 13 is further formed in the outer peripheral wall of each of the two ends of each docking barrel 1; the docking unit 2 comprises a connecting shaft 23 and U-shaped frames 22 symmetrically arranged at two ends of the connecting shaft 23, a stepped shaft 21 is fixedly arranged on the U-shaped frame 22, a rotating shaft 221 capable of rotating is arranged on the U-shaped frame 22, the connecting shaft 23 is hinged with the rotating shaft 221, the stepped shaft 21 is slidably arranged in the butt-joint barrel 1, the inner diameter of the external thread sleeve 12 and the inner diameter of the internal thread 11 are both smaller than the inner diameter of the docking barrel 1, wherein the larger outer diameter of the stepped shaft 21 is the same as the inner diameter of the butt joint barrel 1, thereby preventing the stepped shaft 21 from separating from the butt joint barrel 1, the inner diameter of the external thread sleeve 12 and the inner diameter of the internal thread 11 are both larger than the length of the U-shaped frame 22 (the arrangement is to ensure that the U-shaped frame 22 can pass through the internal thread 11 and the external thread sleeve 12 to realize the movement of the docking unit 2 in the docking barrel 1); this surveying instrument still includes spliced pole 3, be provided with three articulated seat 31 of second along circumference evenly distributed on the spliced pole 3.

Further, two first hinged seats 231 are symmetrically arranged at two ends of the connecting shaft 23, the first hinged seats 231 are hinged to the rotating shaft 221 through bolts, a through hole for the bolts to pass through is formed in the middle of the rotating shaft 221 correspondingly, the axis of the through hole is collinear or intersected with the axis of the butt-joint barrel 1, and the first hinged seats 231 and the second hinged seats 31 are identical in size and structure.

Further, when the axes of the two through holes in the same docking unit 2 are collinear with the axes of the two docking barrels 1 connected to the docking unit 2, the distance between the two through holes is equal to the outer diameter of the docking barrel 1, and by the arrangement, after the docking barrel 1 is folded, the outer peripheral walls of the two adjacent docking barrels 1 can be attached together, as shown in fig. 8.

Further, this surveying instrument still include with first end cover of external thread cover 12 matched with and with internal thread 11 matched with second end cover, the concrete structure of end cover this application does not do specific injecing, and it is ordinary end cover, just for the shutoff to connect a 1 both ends, can set up by oneself according to external thread cover 12 and internal thread 11's structure in actual manufacturing, also can set up the connecting hole on the end cover when connecting a 1 and supporting the use as the single pole in addition to convenient installation surveying instrument.

Further, a locking screw 4 is arranged in the locking hole 13, and the locking screw 4 is used for limiting the movement of the stepped shaft 21.

When the single-rod support is used, the butt-joint cylinders 1 are connected with the external thread sleeve 12 through the internal threads 11, the butt-joint unit 2 is positioned inside the butt-joint cylinders 1, as shown in fig. 1 to 4, at this time, the butt-joint cylinders 1 form an independent straight cylinder, and further can be used as a marker post or a single-rod support;

when three-leg support is needed, the butt-joint cylinders 1 are divided into three groups, the butt-joint cylinders 1 are installed on the second hinge seat 31 through bolts, the stepped shaft 21 is fixed through the locking screws 4, the tightness of the butt-joint cylinders 1 and the second hinge seat 31 is realized through the locking force of the bolts, and the opening degree of the three legs is further adjusted; as shown in fig. 5 and 6, the surveying and mapping instrument is placed on the connecting column 3 to perform the surveying and mapping; in addition, the length of the supporting legs can be changed by increasing or decreasing the number of the butting cylinders 1 when the device is used, so that the expansion range of the length is larger;

when not using, external screw thread cover 12 breaks away from with internal thread 11, cancels locking screw 4 to step shaft 21's locking, realizes folding of two adjacent butt joint section of thick bamboo 1 through butt joint unit 2, and then reduces its space that occupies, conveniently carries, as shown in fig. 8, a plurality of butt joint section of thick bamboo 1 can be folded together, also can pull down the bolt and part each butt joint section of thick bamboo 1.

The butt joint unit is used for realizing the connection of the butt joint barrels, so that the length of the butt joint barrels can be increased and reduced, the length of the butt joint barrels can be expanded, and meanwhile, the matching of the internal threads and the external thread sleeves on the butt joint barrels is utilized, so that a plurality of butt joint barrels can be connected into an independent straight barrel to be used as a marker post or a single-rod support; two universal structures that utilize the butt joint unit to form make and have better flexibility between two adjacent butt joint section of thick bamboo, can form the tripod through cooperating with the spliced pole, can carry out the folding of multistage again simultaneously, make its flexibility obtain improving, it is more convenient to carry.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A portable surveying and mapping tool comprises a supporting unit for mounting a surveying and mapping instrument, and is characterized in that the supporting unit comprises a plurality of butt joint cylinders (1), two adjacent butt joint cylinders (1) are connected through a butt joint unit (2), an external thread sleeve (12) communicated with the butt joint cylinders (1) is arranged at one end of each butt joint cylinder (1), an internal thread (11) matched with the external thread sleeve (12) is formed at the other end of each butt joint cylinder (1), and a locking hole (13) is formed in the outer peripheral wall of each of two ends of each butt joint cylinder (1); the butt joint unit (2) comprises a connecting shaft (23) and U-shaped frames (22) symmetrically arranged at two ends of the connecting shaft (23), a stepped shaft (21) is fixedly arranged on each U-shaped frame (22), a rotating shaft (221) capable of rotating is arranged on each U-shaped frame (22), the connecting shaft (23) is hinged to the rotating shaft (221), the stepped shaft (21) is arranged in the butt joint barrel (1) in a sliding mode, the inner diameter of the external thread sleeve (12) and the inner diameter of the internal thread (11) are smaller than the inner diameter of the butt joint barrel (1), and the inner diameter of the external thread sleeve (12) and the inner diameter of the internal thread (11) are larger than the length of each U-shaped frame (22); the surveying and mapping tool further comprises a connecting column (3), wherein three second hinging seats (31) which are uniformly distributed along the circumferential direction are arranged on the connecting column (3);

the both ends symmetry of connecting axle (23) is provided with two first articulated seats (231), first articulated seat (231) pass through the bolt and articulate in pivot (221) are last, correspond the confession has been seted up at the middle part of pivot (221) the through-hole that the bolt passed, the axis of through-hole with the axis collineation of butt joint section of thick bamboo (1) or crossing.

2. A portable surveying tool according to claim 1, characterized in that the first articulated seat (231) is of the same size and configuration as the second articulated seat (31).

3. A portable surveying and mapping tool according to claim 2, characterized in that the distance between two through holes in one and the same docking unit (2) is equal to the outer diameter of the docking cylinder (1) when the axes of the two through holes are collinear with the axes of the two docking cylinders (1) to which the docking unit (2) is connected.

4. A portable surveying and mapping tool according to any of claims 1-3, characterized in that the surveying and mapping tool further comprises a first end cap cooperating with the external threaded sleeve (12) and a second end cap cooperating with the internal thread (11).

5. A portable surveying and mapping tool according to claim 1, characterized in that locking screws (4) are arranged in the locking holes (13).