Measuring device for civil engineering survey

Abstract

The utility model discloses a measuring device for civil engineering survey, which belongs to the technical field of civil engineering survey equipment, and comprises a measuring table and a mounting frame arranged at the top of the measuring table and used for mounting a measuring instrument, three main supporting plates are rotatably mounted below the measuring table through movable shafts, a mounting shaft is arranged at the bottom of the measuring table, and the mounting shaft is provided with a plurality of supporting plates. A sleeve is connected to the outer side of the mounting shaft in a penetrating mode, and three adjusting frames are rotationally mounted on the outer side of the sleeve through movable shafts. The measuring device for civil engineering survey is provided with the sleeve, so that when the survey angle of the device needing to be measured is adjusted and measured in the later period, only the sleeve needs to be driven to descend on the surface of the mounting shaft; at the moment, the three adjusting frames rotationally connected to the outer side of the sleeve can simultaneously extrude the three main supporting plates to drive the three auxiliary supporting plates to expand and swing, so that the measuring angle of the measuring device can be adjusted, survey and measurement can be performed at different angles in the later period, and the practicability is better.

Description

TECHNICAL FIELD

[0001] The utility model relates to civil engineering survey equipment technical field, concretely is civil engineering surveying surveying device. BACKGROUND

[0002] The surveying device for civil engineering survey is a precision instrument and equipment specially designed for the field of civil engineering, and its core goal is to realize high-precision positioning, three-dimensional modeling, deformation monitoring and other functions, covering the whole process requirements from microstructure analysis to macro geographic mapping, so it is widely used in engineering planning, design, construction and monitoring stage to obtain key data such as terrain, geology and structure. When the surveying device is used with civil engineering survey, most of the surveying instruments are positioned and installed on the surface of the mounting frame through screws or limiting bolts. When the surveying instrument is disassembled and replaced, multiple bolts or screws need to be disassembled and replaced, which is very time-consuming and laborious to operate, and has poor practicability.

[0003] In order to overcome the above defects, the prior art 1 (Chinese patent with application number CN202022666849.6 and application date of November 17, 2020) a building surveying device for civil engineering construction, through the setting of spring, when the shell contacts the ground, the spring is pushed by the supporting leg, avoiding the vibration of the inside of the surveying instrument body, thereby causing the damage of the equipment. Through the setting of the sliding groove, the limiting block is limited, thereby improving the moving stability of the supporting leg. Through the setting of the limiting rubber, under the cooperation of the anti-skid rubber plate, the movable rod is clamped conveniently. Although the prior art can realize quick positioning and installation of the surveying instrument to improve the disassembly efficiency of the surveying instrument, it cannot limit and adjust the unfolding angle of the surveying device when the surveying device is used with the surveying instrument for engineering survey, which may cause the loosening and deviation of the surveying device during the later unfolding and adjustment, thereby affecting the measurement data accuracy of the surveying instrument in the later period, and has poor practicability. Therefore, the surveying device for civil engineering survey can well solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a surveying device for civil engineering survey, to solve the problem that the unfolding angle of the surveying device cannot be limited and adjusted when the surveying device is used with the surveying instrument for engineering survey in the current market, which may cause the loosening and deviation of the surveying device during the later unfolding and adjustment, thereby affecting the measurement data accuracy of the surveying instrument in the later period, and has poor practicability.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: a surveying device for civil engineering survey, including the measuring table, and the mounting bracket for installing the measuring instrument is arranged on the top of the measuring table, and the three main support plates are rotatably installed below the measuring table through the movable shaft, and the bottom of the three main support plates is provided with the vice support plate, the bottom of the measuring table is provided with the mounting shaft, and the sleeve is connected on the outside of the mounting shaft, and the three adjusting frames are rotatably installed on the outside of the sleeve through the movable shaft, and the main support plates are rotatably connected to the outer ends of the three adjusting frames.

[0006] Preferably, the lower portion of the mounting shaft is provided with a limiting disc, and the upper portion of the limiting disc corresponds to the sleeve.

[0007] Preferably, the three adjusting frames are in inclined shape, and the structures of the three adjusting frames are same.

[0008] Preferably, the rear side of the sleeve is installed with a limiting rod through the reset spring, the front side of the limiting rod extends to the inside of the limiting hole, a row of limiting holes are equidistantly arranged on the rear side of the mounting shaft, and the limiting hole and the limiting rod form a clamping structure.

[0009] Preferably, the inside of the mounting bracket is slidably installed with the limiting block through the extrusion spring, the outer ends of the two limiting blocks extend to the outside of the two ends of the mounting bracket, and the two limiting blocks are in inclined shape.

[0010] Preferably, the inside of the measuring table is installed with the jacking rod through the tension spring, the inner ends of the two jacking rods are in circular arc shape, and the inner ends of the two jacking rods correspond to the limiting block.

[0011] Preferably, the inside of the measuring table is connected with one end of the two force storage springs, the structures of the two force storage springs are same, the other end of the two force storage springs is connected with the top plate, and the top of the top plate corresponds to the mounting bracket.

[0012] Compared with the prior art, the utility model has the advantages as follows:

[0013] (1) the sleeve is arranged, the sleeve is slidably installed on the outside of the mounting shaft, and the three main support plates are rotatably connected to the outside of the sleeve through the three adjusting frames, so that when the surveying angle of the measuring device needs to be adjusted and measured in the later period, the sleeve can be lowered on the surface of the mounting shaft, the three adjusting frames rotatably connected to the outside of the sleeve can simultaneously extrude the three main support plates to drive the three vice support plates to expand and swing, so that the surveying angle of the measuring device can be adjusted, the surveying measurement can be carried out at different angles in the later period, and the practicability is better.

[0014] (2) Further, before the sleeve is positionally adjusted, the limiting rod is separated from the limiting hole, so that the mounting shaft is separated from the sleeve, and then the sleeve can be moved on the surface of the mounting shaft for position adjustment, thereby assisting the measuring device in angle measurement adjustment, and the operation is more time-saving and labor-saving.

[0015] (3) Still further, the sleeve is connected with the limiting rod outside by the return spring, the position of the limiting rod after being pulled can be elastically reset by the elastic force of the return spring, so that the limiting rod is automatically popped into the inside of the limiting hole, thereby limiting and fixing the position of the sleeve after adjustment, and the stability is better.

[0016] (4) The limiting block is arranged, the limiting block is installed by penetrating and sliding through the compression spring inside the mounting frame, when it is needed to quickly position and install the mounting frame, the mounting frame is only needed to be placed on the top of the measuring table and pressed to descend, so that the two limiting blocks in the inclined shape are moved by being shrunk through the compression of the measuring table, at this time, the two compression springs can automatically pop out the two limiting blocks into the inside of the measuring table through the elastic force of the two compression springs, then the measuring instrument on the top of the mounting frame can be quickly positioned and fixed, and the stability is better.

[0017] (5) Further, during the dismounting and replacing of the mounting frame, the two force-accumulating compression springs can reset and push the top plate moved by being compressed and descended through the elastic force of the two force-accumulating compression springs, so that the mounting frame is pushed out from the inside of the measuring table, thereby assisting the mounting frame in quick and auxiliary dismounting, and the practicality is better. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0019] Figure 2 It is a three-dimensional structure schematic view of the utility model measuring device unfolded;

[0020] Figure 3 It is a three-dimensional structure schematic view of the utility model Figure 2 It is an enlarged structure schematic view of A in the utility model;

[0021] Figure 4 It is a three-dimensional structure schematic view of the utility model measuring device from below;

[0022] Figure 5 It is a three-dimensional structure schematic view of the utility model mounting shaft and sleeve;

[0023] Figure 6The utility model discloses a measuring table and mounting frame partial three-dimensional structure schematic view.

[0024] In the drawing: 1, measuring table, 2, mounting frame, 3, main support plate, 4, vice support plate, 5, mounting shaft, 6, sleeve, 7, limit disc, 8, adjusting frame, 9, limit hole, 10, limit rod, 11, reset spring, 12, limit block, 13, extrusion spring, 14, jacking rod, 15, tension spring, 16, top plate, 17, force storage spring. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be apparently and completely described below with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative work belong to the range protected by the utility model.

[0026] The utility model provides the following technical scheme, a surveying device for civil engineering survey:

[0027] Embodiment one, to solve the existing use measuring device cooperation surveying instrument carries out the engineering survey, can not adjust the angle of expansion of measuring device, will lead to measuring device to appear loose deviation phenomenon when expanding adjustment in later period, thereby can influence the measurement data accuracy of surveying instrument in later period, the practicality is poor problem, disclosed: measuring table 1 and the mounting frame 2 for installing surveying instrument are set up at the top of measuring table 1, and the lower of measuring table 1 is rotatably installed with three main support plates 3 through movable shaft, and the bottom of three main support plates 3 is provided with vice support plate 4, the bottom of measuring table 1 is provided with mounting shaft 5, and the outside of mounting shaft 5 is connected with sleeve 6, and the outside of sleeve 6 is rotatably installed with three adjusting frames 8 through movable shaft, and the outer end of three adjusting frames 8 is rotatably connected with main support plate 3.

[0028] The lower of mounting shaft 5 is provided with limit disc 7, and the upper of limit disc 7 corresponds with sleeve 6, three adjusting frames 8 are inclined shape, and the structure of three adjusting frames 8 is same, the rear side of sleeve 6 is installed with limit rod 10 through reset spring 11, and the front side of limit rod 10 extends to the inside of limit hole 9, a row of limit holes 9 is set up at the rear side of mounting shaft 5 at equal intervals, and limit hole 9 and limit rod 10 constitute the structure of clamping.

[0029] As Figures 1-5As shown, when the measuring device is used to assist in surveying and measuring civil engineering, pull the limiting rod 10 through the reset spring 11 to extend the position, so that the limiting rod 10 is separated from the limiting hole 9, then move the sleeve 6 on the surface of the installation shaft 5 to move the position down, so that the sleeve 6 drives the three main supporting plates 3 through the three adjusting frames 8 to drive the three auxiliary supporting plates 4 to expand the adjustment, so that the later surveying and measuring at different angles is better, and the utility is better. When the sleeve 6 is adjusted to the appropriate position to assist the surveying instrument to survey the engineering, loosen the limiting rod 10, then the reset spring 11 will reset the position of the limiting rod 10 through its own elastic force, that is, the limiting rod 10 can be automatically popped into the inside of the limiting hole 9, so that the position of the adjusted sleeve 6 can be limited and fixed, avoiding the phenomenon of loosening and deviation of the sleeve 6 in the later surveying, and the stability is better.

[0030] In example two, unlike example one, the installation frame 2 can be quickly disassembled and replaced, so that the measuring instrument can be quickly disassembled and replaced later, and the operation is more time-saving and labor-saving. It is disclosed that:

[0031] The inside of the installation frame 2 is symmetrically provided with a limiting block 12 through an extrusion spring 13, and the outer ends of the two limiting blocks 12 extend to the outside of the two ends of the installation frame 2, and the two limiting blocks 12 are inclined. The inside of the measuring table 1 is symmetrically provided with a top rod 14 through a tension spring 15, and the inner ends of the two top rods 14 are arc-shaped, and the inner ends of the two top rods 14 correspond to the limiting blocks 12. The inside of the measuring table 1 is symmetrically connected with one end of two force storage springs 17, and the two force storage springs 17 are the same structure, and the other end of the two force storage springs 17 is connected with a top plate 16, and the top of the top plate 16 corresponds to the installation frame 2.

[0032] As shown in Figures 1-6 When the measuring instrument needs to be quickly positioned and installed, the installation frame 2 is placed on the surface of the measuring table 1 to press down the position, then the two inclined limiting blocks 12 are moved to the inside of the installation frame 2 through the extrusion of the measuring table 1, at this time the two extrusion springs 13 automatically pop the two limiting blocks 12 into the inside of the measuring table 1 through their own elastic force, so that the installation frame 2 can be positioned and fixed, and the measuring instrument can be limited and fixed. Press the two top rods 14 to move inwards through the tension spring 15, so that the two top rods 14 move inwards to the two inclined limiting blocks 12, then the two force storage springs 17 are reset through their own elastic force, so that the top plate 16 can assist the installation frame 2 to be quickly disassembled and removed, and the utility is better.

[0033] The above is the working process of the entire device, and the contents not described in detail in the specification all belong to the prior art known to those skilled in the art.

[0034] The contents not described in detail in the specification belong to the prior art known to those skilled in the art, although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement for part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A surveying device for civil engineering surveying, comprising a surveying table (1), and a mounting rack (2) arranged on the top of the surveying table (1) for mounting a surveying instrument, and three main supporting plates (3) are rotatably arranged below the surveying table (1) through a movable shaft, and a secondary supporting plate (4) is arranged at the bottom of the three main supporting plates (3). Characterized in that: The bottom of the surveying table (1) is provided with a mounting shaft (5), the outer side of the mounting shaft (5) is connected through a sleeve (6), and the outer side of the sleeve (6) is rotatably arranged with three adjusting racks (8) through a movable shaft, and the outer end of the three adjusting racks (8) is rotatably connected with the main supporting plate (3).

2. A surveying apparatus for use in civil engineering surveying according to claim 1, characterised in that: The bottom of the mounting shaft (5) is provided with a limiting disc (7), and the upper side of the limiting disc (7) corresponds to the sleeve (6).

3. The surveying device for civil engineering surveying according to claim 1, characterized in that: The three adjusting racks (8) are in an inclined shape, and the three adjusting racks (8) are the same in structure.

4. The surveying device for civil engineering surveying according to claim 1, characterized in that: The rear side of the sleeve (6) is installed with a limiting rod (10) through a return spring (11), and the front side of the limiting rod (10) extends into the inside of the limiting hole (9), a row of limiting holes (9) are evenly arranged on the rear side of the mounting shaft (5), and the limiting hole (9) and the limiting rod (10) form a clamping structure.

5. The surveying device for civil engineering surveying according to claim 1, characterized in that: The inside of the mounting rack (2) is symmetrically installed with a limiting block (12) through a compression spring (13), the outer end of the two limiting blocks (12) extends to the outer side of the two ends of the mounting rack (2), and the two limiting blocks (12) are in an inclined shape.

6. A surveying apparatus for use in civil engineering surveying according to claim 5, wherein: The inside of the surveying table (1) is symmetrically installed with a top rod (14) through a tension spring (15), the inner end of the two top rods (14) is in a circular arc shape, and the inner end of the two top rods (14) corresponds to the limiting block (12).

7. A surveying apparatus for use in civil engineering surveying according to claim 6, wherein: The inside of the surveying table (1) is symmetrically connected with one end of two force storage springs (17), the two force storage springs (17) are the same in structure, the other end of the two force storage springs (17) is connected with a top plate (16), and the top of the top plate (16) corresponds to the mounting rack (2).

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