CN220186445U - A kind of civil engineering surveying and mapping instrument - Google Patents

Abstract

The utility model discloses a civil engineering surveying instrument, which comprises a placing disc, wherein the circumferential side wall of the placing disc is connected with a plurality of supporting legs through a rotating piece, each supporting leg comprises a first supporting rod, and the lower end of each first supporting rod is provided with a first thread head; the lower end of the first supporting rod is provided with a connecting cylinder, the inner wall of the connecting cylinder is in a thread shape, and the upper end of the connecting cylinder is in threaded connection with the first thread head; the lower end of the connecting cylinder is provided with a second supporting rod, the upper end of the second supporting rod is provided with a second thread head, and the second thread head is in threaded connection with the lower end of the connecting cylinder. The utility model is convenient for adjusting the height of the surveying instrument body, can disassemble and separate the supporting legs, reduces the space occupied by the whole surveying instrument and is convenient for transportation and carrying.

Description

Civil engineering surveying instrument

Technical Field

The utility model relates to the technical field of civil construction, in particular to a civil engineering surveying instrument.

Background

Engineering measurement is a necessary means and method in engineering such as tunnels, bridges, highways, buildings, etc., and in engineering measurement work, a surveying instrument is generally used for measurement, and the surveying instrument generally includes a surveying instrument body for surveying and a supporting frame for supporting the surveying instrument body.

The Chinese patent of utility model with publication number of CN201548254U discloses a novel surveying instrument support, the device is provided with a connecting sleeve outside a screw rod, the connecting sleeve is connected with a supporting foot, and the height of the surveying instrument is adjusted through the rotation of the screw rod. However, when the device is transported and carried, the support is of an integrated structure, so that the support legs and the screw rods are inconvenient to detach and separate, the whole volume is large, and the device needs to occupy a large space when being carried, so that the device is inconvenient.

Disclosure of Invention

The utility model aims to provide a civil engineering surveying instrument. The utility model is convenient for adjusting the height of the surveying instrument body, can disassemble and separate the supporting legs, reduces the space occupied by the whole surveying instrument and is convenient for transportation and carrying.

The technical scheme of the utility model is as follows: the civil engineering surveying instrument comprises a placing disc, wherein a placing box is arranged on the upper surface of the placing disc, a surveying instrument body is arranged in the placing box, a plurality of supporting legs are connected to the circumferential side wall of the placing disc through rotating pieces, each supporting leg comprises a first supporting rod, and a first thread head is arranged at the lower end of each first supporting rod; the lower end of the first supporting rod is provided with a connecting cylinder, the inner wall of the connecting cylinder is in a thread shape, and the upper end of the connecting cylinder is in threaded connection with the first thread head; the lower end of the connecting cylinder is provided with a second supporting rod, the upper end of the second supporting rod is provided with a second thread head, and the second thread head is in threaded connection with the lower end of the connecting cylinder.

In the civil engineering surveying instrument, the rotating piece comprises a groove arranged on the side wall of the placing plate, a rotating block is arranged in the groove, a butterfly bolt penetrates through the groove, the butterfly bolt penetrates through the rotating block, and a butterfly nut is connected to the butterfly bolt in a threaded mode; the lower end of the rotating block is provided with a screw cap; the upper end of the first supporting rod is fixedly connected with a third thread head, and the third thread head is in threaded connection with the nut.

In the civil engineering surveying instrument, the upper side of the placement box is provided with a handle, and the handle is of a U-shaped structure.

In the civil engineering surveying instrument, the lower ends of the second struts are provided with anti-slip pads, and the lower surfaces of the anti-slip pads are provided with anti-slip patterns.

In the aforementioned civil engineering surveying instrument, the groove is made of a metal material having elasticity.

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

1. according to the utility model, the connecting cylinder is only required to be rotated, as the two ends of the connecting cylinder are respectively connected with the first thread head and the second thread head in a threaded manner, in the process of rotating the connecting cylinder, the first thread head and the second thread head can gradually enter the connecting cylinder or gradually move out of the connecting cylinder, so that the heights of the supporting legs are adjusted, the operation is repeated, the heights of the supporting legs are adjusted, the heights of the placing plate and the surveying instrument body can be adjusted, the first support rod, the second support rod and the connecting cylinder are prevented from being connected by adopting threaded connection, the first thread head and the second thread head are completely extracted from the connecting cylinder, the first support rod, the second support rod and the connecting cylinder can be separated, meanwhile, the third thread head is screwed out of the screw cap, the first support rod and the screw cap can be separated, the whole supporting legs can be detached and separated through the operation, the occupied space of the whole device is reduced, and the device is convenient to transport and carry.

2. When the angle of the supporting leg is required to be adjusted, the butterfly nut is only required to be unscrewed, then the angle of the rotating block is adjusted to drive the whole supporting leg to rotate, and then the butterfly nut is required to be screwed, so that the angle of the supporting leg can be conveniently adjusted.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged view of the structure at A of the present utility model;

FIG. 3 is a schematic view of the structure of the placing tray and the rotating member of the present utility model;

FIG. 4 is a schematic illustration of the connection of the first strut to the connecting tube in accordance with the present utility model;

fig. 5 is an assembly view of the placement box and the mapper body of the present utility model.

The marks in the drawings are: 1-a second strut; 2-connecting cylinder; 3-a second thread start; 4-a first thread start; 5-a first strut; 6-placing a tray; 7-placing a box; 8-a plotter body; 9-a handle; 10-a third thread start; 11-nut; 12-butterfly nuts; 13-a butterfly bolt; 14-grooves; 15-rotating blocks; 16-anti-slip pad.

Detailed Description

The utility model is further illustrated by the following figures and examples, which are not intended to be limiting.

Examples: the civil engineering surveying instrument comprises a placing disc 6, wherein a placing box 7 is arranged on the upper surface of the placing disc 6, a surveying instrument body 8 is arranged in the placing box 7 as shown in fig. 5, a lifting handle 9 is arranged on the upper side of the placing box 7, the lifting handle 9 is of a U-shaped structure, convenience is brought to people in carrying or moving the device, a plurality of supporting legs are connected to the circumferential side wall of the placing disc 6 through rotating pieces, each supporting leg comprises a first supporting rod 5, and a first thread head 4 is arranged at the lower end of each first supporting rod 5 as shown in fig. 4; the lower end of the first supporting rod 5 is provided with a connecting cylinder 2, the inner wall of the connecting cylinder 2 is in a thread shape, and the upper end of the connecting cylinder 2 is in threaded connection with the first thread head 4; the connecting cylinder 2 lower extreme is equipped with second branch 1, and a plurality of the lower extreme of second branch 1 all is equipped with slipmat 16, and the lower surface of slipmat 16 is equipped with the antiskid line, can prevent that the device from taking place the skew in the use, guarantees the stability of device, and second branch 1 upper end is equipped with second screw thread head 3, second screw thread head 3 and the lower extreme threaded connection of connecting cylinder 2.

As shown in fig. 2 and fig. 3, the rotating member comprises a groove 14 arranged on the side wall of the placing disc 6, the groove 14 is made of elastic metal material, a rotating block 15 is arranged in the groove 14, a butterfly bolt 13 is arranged in the groove 14 in a penetrating manner, the butterfly bolt 13 penetrates through the rotating block 15, and a butterfly nut 12 is connected to the butterfly bolt 13 in a threaded manner; the lower end of the rotating block 15 is provided with a screw cap 11; the upper end of the first supporting rod 5 is fixedly connected with a third thread head 10, and the third thread head 10 is in threaded connection with a nut 11.

Working principle: when the height of supporting legs needs to be adjusted, only the connecting cylinder 2 needs to be rotated, as the two ends of the connecting cylinder 2 are respectively connected with the first thread head 4 and the second thread head 3 in a threaded manner, in the rotating process of the connecting cylinder 2, the first thread head 4 and the second thread head 3 can also gradually enter the connecting cylinder 2 or gradually move out of the connecting cylinder 2, so that the height of the supporting legs is adjusted, the operation is repeated, the heights of a plurality of supporting legs are adjusted, the height adjustment of the placing plate 6 and the surveying instrument body 8 can be realized, in addition, the device adopts the threaded connection to prevent the first supporting rod 5, the second supporting rod 1 and the connecting cylinder 2 from being connected, the integral strength of the supporting legs can be enhanced, the supporting legs are ensured not to be automatically shortened when the supporting legs are subjected to larger pressure, and the integral stability of the device is ensured.

Further, if the first thread head 4 and the second thread head 3 are completely drawn out from the connecting cylinder 2, the separation of the first support rod 5, the second support rod 1 and the connecting cylinder 2 can be realized, meanwhile, the third thread head 10 is screwed out from the nut 11, the first support rod 5 and the nut 11 can be separated, and the whole support leg can be disassembled and separated through the operation, so that the support leg is convenient to transport and carry.

When the angle of the supporting leg needs to be adjusted, the butterfly nut 12 is only required to be unscrewed, then the angle of the rotating block 15 is adjusted, the whole supporting leg is driven to rotate, and then the butterfly nut 12 is screwed.

Claims (5)

1. A civil engineering surveying and mapping instrument, including a placement tray (6), a placement box (7) is provided on the upper surface of the placement tray (6), and a surveying and plotting instrument body (8) is provided in the placement box (7), which is characterized by: : The circumferential side wall of the placement plate (6) is connected with a plurality of supporting legs through rotating parts. The supporting legs include a first support rod (5), and the lower end of the first support rod (5) is provided with a first threaded head ( 4); The lower end of the first strut (5) is provided with a connecting tube (2), the inner wall of the connecting tube (2) is threaded, and the upper end of the connecting tube (2) is threadedly connected to the first threaded head (4); The lower end of the connecting barrel (2) is provided with a second strut (1), the upper end of the second strut (1) is provided with a second threaded head (3), and the second threaded head (3) is threaded with the lower end of the connecting barrel (2). connect. 2. A civil engineering surveying instrument according to claim 1, characterized in that: the rotating member includes a groove (14) provided on the side wall of the placing plate (6), and a rotating device is provided in the groove (14). Block (15), a butterfly bolt (13) runs through the groove (14), and the butterfly bolt (13) penetrates the rotating block (15), and a butterfly nut (12) is threaded on the butterfly bolt (13). ); the lower end of the rotating block (15) is provided with a nut (11); the upper end of the first support rod (5) is fixedly connected with a third threaded head (10), and the third threaded head (10) and the nut (11) Threaded connection. 3. A civil engineering surveying and mapping instrument according to claim 1, characterized in that: a handle (9) is provided on the upper side of the placement box (7), and the handle (9) has a U-shaped structure. 4. A civil engineering surveying instrument according to claim 1, characterized in that: the lower ends of the plurality of second poles (1) are equipped with anti-skid pads (16), and the lower surfaces of the anti-skid pads (16) Features anti-slip texture. 5. A civil engineering surveying and mapping instrument according to claim 2, characterized in that: the groove (14) is U-shaped.