CN211694123U

CN211694123U - Special measuring device for building surveying and mapping

Info

Publication number: CN211694123U
Application number: CN202020269905.XU
Authority: CN
Inventors: 瞿万英
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-07
Filing date: 2020-03-07
Publication date: 2020-10-16
Anticipated expiration: 2030-03-07

Abstract

The utility model discloses a special measuring device for building surveying and mapping, which relates to the technical field of building engineering equipment and comprises a connecting block, wherein the top of the connecting block is coaxially and rotatably connected with a rotating shaft, the rotating shaft is away from one end of the connecting block and is coaxially and fixedly connected with a fixed plate, a limiting groove is arranged in the top of the fixed plate, the limiting groove is rotatably connected with a first threaded rod, the first threaded rod is symmetrically and threadedly connected with two clamping plates, the first threaded rod and the threaded connecting part of the two clamping plates have opposite screw thread rotating directions, when the measuring device is installed, the measuring device is placed between the two clamping plates, the first threaded rod is rotated, the first threaded rod and the threaded connecting part of the two clamping plates have opposite screw thread rotating directions, the two clamping plates are close to each other and have consistent moving distance, thereby effectively ensuring that, thereby improving the accuracy of multiple installations.

Description

Special measuring device for building surveying and mapping

Technical Field

The utility model relates to a building engineering equipment technical field especially relates to a special measuring device of building survey and drawing.

Background

When surveying and mapping the construction project site, a measuring device is needed to measure the terrain, so that the construction project cost is estimated more accurately. However, the three supporting legs at the bottom of the general surveying and mapping device are separately arranged and have lower stability, so that the supporting legs are easy to deviate from the original positions and angles due to external collision, the supporting legs are inclined or even toppled, the measurement accuracy before and after the collision is influenced, and even the measuring instrument is dropped to cause damage.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of special measuring device of building survey and drawing, the purpose is because the three supporting legs of general mapping device bottom sets up separately, stability is lower in order to solve among the conventional art, because external collision causes the skew original position of supporting legs and angle, produces the problem of crooked or even toppling over easily.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a special measuring device for building surveying and mapping comprises a connecting block, wherein a rotating shaft is coaxially and rotatably connected to the top of the connecting block, a fixing plate is coaxially and fixedly connected to one end, away from the connecting block, of the rotating shaft, a limiting groove is formed in the top of the fixing plate, a first threaded rod is rotatably connected in the limiting groove, two clamping plates are symmetrically and threadedly connected to the first threaded rod, the thread rotating directions of the first threaded rod and the thread connecting portion of the two clamping plates are opposite, the bottoms of the two clamping plates are slidably connected in the limiting groove, and the tops of the two clamping plates penetrate through;

connecting block bottom week side is rotated and is connected with three supporting legs and coaxial fixedly connected with central post, connecting block one end periphery side is kept away from to central post and is slided to have cup jointed the cover frame, the cover frame bottom is rotated and is connected with the second threaded rod, the coaxial threaded connection of second threaded rod one end is in central post, the cover frame outside is rotated and is connected with three regulation pole, and is three it all rotates and connects on three supporting legs to adjust pole and keep away from cover frame one end.

Preferably, the diameter of the rotating shaft is larger than half of the width of the fixing plate and larger than the radius of the connecting block.

Preferably, the three supporting legs are uniformly and symmetrically distributed on the peripheral side of the bottom of the connecting block, and the rotating plane passes through the axis of the connecting block.

Preferably, the three adjusting rod rotating planes are distributed to coincide with the three supporting foot rotating planes and are obliquely arranged, and the oblique direction is obliquely directed downwards to the central column by the supporting feet.

Preferably, the bottom of the central column is coaxially provided with a thread groove, and one end of the second threaded rod is in threaded connection with the thread groove.

Preferably, two limit bearings are fixedly connected to the second threaded rod, and the two limit bearings are slidably clamped on two sides of the sleeve frame.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. the utility model discloses when installing measuring device, place it between two splint, rotatory first threaded rod because first threaded rod and two splint threaded connection portion screw threads are turned to on the contrary, and two splint are close to each other and the displacement is unanimous to effectively guarantee that measuring device central point puts the center that is located first threaded rod, thereby improve the degree of accuracy when installing many times.

2. The utility model discloses when three supporting legs supported the connecting block, rotate the second threaded rod, make the stock of being connected rotate with it and slide along central authorities 'post lapse, and then make the regulation pole one end on the stock move down to make the regulation pole strut the supporting legs, utilize the auto-lock nature of second threaded rod, make three supporting legs link together, improved the stability of three supporting legs, avoid it to receive to take place to rotate or remove skew original position after the collision simultaneously, the side avoids influencing measuring device's accuracy.

Drawings

Fig. 1 is a schematic structural view of a special measuring device for architectural surveying and mapping according to the present invention;

fig. 2 is a schematic sectional view of a-a in fig. 1 of a special measuring device for architectural surveying and mapping provided by the utility model.

In the figure: the device comprises a connecting block 1, a rotating shaft 2, a fixing plate 3, a limiting groove 31, a clamping plate 32, a first threaded rod 33, supporting legs 4, a central column 5, a threaded groove 51, a set frame 6, an adjusting rod 7, a second threaded rod 8 and a limiting bearing 81.

Detailed Description

The technical solutions in the embodiments of 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, not all embodiments.

Referring to fig. 1-2, a special measuring device of building survey and drawing, including connecting block 1, the coaxial rotation in 1 top of connecting block is connected with axis of rotation 2, and 1 one end coaxial fixedly connected with fixed plate 3 of connecting block is kept away from to axis of

rotation

2, and 2 diameters of axis of rotation are greater than half of 3 width of fixed plate, and are greater than the radius of connecting block 1, do benefit to the stability when improving rotation fixed plate 3, avoid rotating the back upper and lower position and change.

Spacing groove 31 has been seted up in 3 tops of fixed plate, spacing inslot 31 internal rotation is connected with first threaded rod 33, symmetrical threaded connection has two splint 32 on the first threaded rod 33, first threaded rod 33 revolves to opposite with two splint 32 threaded connection portion screw threads, two splint 32 equal sliding connection in bottom run through and extend spacing groove 31 at spacing inslot 31 and top, it is unanimous to rotate first threaded rod 33 and make two splint 32 be close to each other and displacement, do benefit to and fix the measuring device center on first threaded rod 33 center, the degree of accuracy when improving a lot of installations.

The side of connecting block 1 bottom week is rotated and is connected with three supporting legs 4, and the even symmetric distribution of three supporting legs 4 is on the side of connecting block 1 bottom week, and rotates the plane and cross connecting block 1 axis, and when convenient rotation opened supporting legs 4, the three was still evenly distributed in connecting block 1 week side, improved the stable supporting effect.

1 coaxial fixedly connected with central post 5 in bottom of connecting block, 1 one end periphery side slip of connecting block has been cup jointed stock 6 is kept away from to central post 5, stock 6 bottom is rotated and is connected with second threaded rod 8, two spacing bearings 81 of fixedly connected with on the second threaded rod 8, two spacing bearings 81 slip joint are in stock 6 both sides, the thread groove 51 has been seted up to the 5 coaxial bottoms of central post, 8 one end threaded connection of second threaded rod is in thread groove 51, rotate second threaded rod 8, can make stock 6 reciprocate along central post 5.

The outer side of the sleeve frame 6 is rotatably connected with three adjusting rods 7, one ends of the three adjusting rods 7, far away from the sleeve frame 6, are rotatably connected to the three supporting legs 4, the rotating planes of the three adjusting rods 7 are distributed to coincide with the rotating planes of the three supporting legs 4 and are obliquely arranged, the oblique direction is obliquely downwards directed to the central column 5 by the supporting legs 4, the sleeve frame 6 supports the supporting legs 4 through the adjusting rods 7 when moving downwards along the central column 5, and the supporting legs 4 are retracted when moving upwards.

Now, the operation principle of the present invention is described as follows:

when the measuring device is installed, the measuring device is placed between the two clamping plates 32, the first threaded rod 33 is rotated, and because the thread rotating directions of the threaded connecting parts of the first threaded rod 33 and the two clamping plates 32 are opposite, the two clamping plates 32 slide to each other along the limiting groove 31 on the fixing plate 3 to be close to each other and have consistent moving distances, the central position of the measuring device is effectively ensured to be positioned at the center of the first threaded rod 33, and the accuracy in multiple times of installation is improved;

when three supporting legs 4 support connecting block 1, rotate the second threaded rod 8 of the thread groove 51 on central post 5 of threaded connection, second threaded rod 8 moves down, make it rotate to be connected and through two spacing bearing 81 spacing set frame 6 with it, slide down along central post 5, and then make the regulation pole 7 one end that the rotation on the set frame 6 is connected move down, thereby make the regulation pole 7 strut supporting legs 4 of being connected with it rotation, utilize the auto-lock nature of second threaded rod 8, make three supporting legs 4 link together, three supporting legs 4's stability has been improved, avoid it to receive to rotate or remove skew original position after the collision simultaneously, the side avoids influencing measuring device's accuracy.

In the present invention, unless otherwise expressly stated or limited, the terms "sliding", "rotating", "fixed", "provided", and the like are to be understood in a broad sense, e.g. as welded connections, as bolted connections, or as integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The special measuring device for building surveying and mapping comprises a connecting block (1), and is characterized in that a rotating shaft (2) is coaxially and rotatably connected to the top of the connecting block (1), a fixing plate (3) is coaxially and fixedly connected to one end, far away from the connecting block (1), of the rotating shaft (2), a limiting groove (31) is formed in the top of the fixing plate (3), a first threaded rod (33) is rotatably connected to the limiting groove (31), two clamping plates (32) are symmetrically and threadedly connected to the first threaded rod (33), the screwing directions of the first threaded rod (33) and the threaded connection part of the two clamping plates (32) are opposite, the bottoms of the two clamping plates (32) are both slidably connected to the limiting groove (31), and the tops of the two clamping plates penetrate through and extend out;

connecting block (1) bottom week side is rotated and is connected with three supporting legs (4) and coaxial fixedly connected with central post (5), connecting block (1) one end periphery side is kept away from in central post (5) and is slided to have cup jointed cover frame (6), cover frame (6) bottom is rotated and is connected with second threaded rod (8), the coaxial threaded connection of second threaded rod (8) one end is in central post (5), cover frame (6) outside is rotated and is connected with three regulation pole (7), and is three it all rotates and connects on three supporting legs (4) to adjust pole (7) and keep away from cover frame (6) one end.

2. The special measuring device for building surveying and mapping as claimed in claim 1, characterized in that the diameter of the rotating shaft (2) is larger than half of the width of the fixing plate (3) and larger than the radius of the connecting block (1).

3. The special measuring device for building surveying and mapping according to claim 1, wherein three supporting feet (4) are evenly and symmetrically distributed on the periphery of the bottom of the connecting block (1), and the rotation plane passes through the axis of the connecting block (1).

4. The special measuring device for building surveying and mapping as claimed in claim 1, characterized in that the three adjusting rods (7) are distributed with their rotation planes coinciding with the rotation planes of the three supporting feet (4) and arranged in an inclined manner, the inclined direction being directed from the supporting feet (4) obliquely downwards to the central column (5).

5. The special measuring device for building surveying and mapping as claimed in claim 1, wherein a threaded groove (51) is coaxially formed at the bottom of the central column (5), and one end of the second threaded rod (8) is threaded in the threaded groove (51).

6. The special measuring device for building surveying and mapping as claimed in claim 1, wherein two limit bearings (81) are fixedly connected to the second threaded rod (8), and the two limit bearings (81) are slidably clamped at two sides of the sleeve frame (6).