A surveying frame for building construction

Abstract

The utility model discloses a surveying frame for construction, which relates to the technical field of construction, and includes a pan head and three supporting legs. The supporting legs are, from top to bottom, a top section, a connecting section, a terminal section and a pointed foot. The lower end of the top section is provided with an axle contraction section, an annular groove is provided on the outer side surface of the upper end of the axle contraction section, a groove is provided on the lower surface of the connecting section, a plurality of pressure plates are installed on the outer side surface of the terminal section, and a connecting rope is fixedly installed below the outer side surface of the pressure plate. The utility model realizes leveling when operated by a single person through the coordinated arrangement of the top section, the connecting section and the terminal section, and does not need to remove the eyes from the level bubble. The leveling operation can be achieved by rotating the connecting section with one hand, thereby simplifying the process; through the coordinated arrangement of the connecting rope, the pressure plate, the fixing plate, the fixing block, the through hole three, the reset spring and the plug column, the insertion depth of the sand can be adjusted as needed, and the flexible insertion depth can meet the fixing requirements of sandy lands of different depths, thereby enhancing the fixing effect.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, in particular to a surveying and mapping frame for building construction. Background Art

[0002] Surveying and mapping is the process of measuring and drawing. During construction work, several types of surveying and mapping devices are used, including: level, total station, plumb line, projection line and other measuring instruments. Many instruments require a surveying frame for support;

[0003] The common surveying and mapping frames on the market now will take longer to adjust when facing uneven ground. Moreover, if it is necessary to conduct surveying and mapping work on relatively soft sand, the soft sand will cause the surveying and mapping frame to be unstable, further increasing the difficulty of adjustment, thus affecting the normal progress of the surveying and mapping work.

[0004] The prior art CN219933617U discloses a surveying frame for construction, which includes a supporting seat, a connecting seat, a horizontal base, a positioning bracket, and a universal fixing device. The universal fixing device is arranged below the positioning bracket. Although the universal fixing device of the utility model can solve the problem that it is difficult to place the surveying frame on soft ground during surveying and mapping, and can adjust the position of the surveying frame on soft ground at a small angle to avoid the problem that the surveying frame will topple over due to the angle, the operation process of the utility model is relatively complicated when fine-tuning the height, and the feedback of use during single-person surveying is not good. In addition, the length of the utility model inserted into the soil is fixed, and the fixing effect cannot be guaranteed when facing deep sand. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies in the prior art, the utility model provides a surveying and mapping frame for building construction, which solves the problems raised in the above-mentioned background technology.

[0007] (II) Technical solution

[0008] To achieve the above objectives, the utility model is implemented through the following technical solutions: A surveying frame for construction, including a pan head and three supporting legs, wherein the supporting legs are, from top to bottom, a top section, a connecting section, a terminal section and a pointed foot, a shaft contraction section is provided at the lower end of the top section, a ring groove is provided on the upper outer side surface of the shaft contraction section, a groove is provided on the lower surface of the connecting section, a through hole 2 is provided on the upper surface of the connecting section, a fixed sliding block is fixedly installed on the inner wall of the groove, an irregular concave section is provided on the upper outer side surface of the terminal section; a cavity is provided inside the terminal section, a plurality of pressure plates are installed on the outer side surface of the terminal section, a connecting rope is fixedly installed below the outer side surface of the pressure plate, an end of the connecting rope away from the pressure plate is fixedly connected to a plug column, and a through hole 3 is provided on the outer side surface of the terminal section.

[0009] Optionally, a mounting hole is provided in the middle of the upper surface of the gimbal, and three groups of six extending plates are fixedly installed on the lower surface of the gimbal. A fixed rotating shaft is rotatably connected between two extending plates in the same group. A through hole one is provided on the outer side surface of the upper end of the top section, and the fixed rotating shaft is rotatably installed in the through hole one. The three supporting legs are distributed in a circular array about the mounting hole.

[0010] Optionally, the connecting section is rotatably installed in the annular groove, the size of the second through hole matches the size of the annular groove, and the size of the groove matches the size of the shaft reduction section.

[0011] Optionally, the fixed slider is installed in the irregular concave section, the size of the end section is adapted to the size of the concave section, and the installation of the fixed slider needs to ensure that the end section can rotate in the concave section.

[0012] Optionally, the bottom edge of the irregular concave segment is formed by repeatedly superimposing a circular arc and a line segment as basic components, the length of the line segment is consistent with the width of the fixed slider, and generally the angle between the bottom edge of the irregular concave segment and the horizontal plane is an acute angle.

[0013] Optionally, a plurality of fixing plates are fixedly installed in the cavity, the number of the fixing plates is the same as the number of the pressure plates, a return spring is fixedly installed below the fixing plates, and one end of the return spring away from the fixing plate is fixedly connected to a fixing block.

[0014] Optionally, the connecting rope passes through the outer wall of the cavity and is inserted into the cavity. The fixing block is fixedly installed on the outer side of the connecting rope in the cavity. The connecting rope is installed in the reset spring. After passing through the fixing plate, several connecting ropes are merged into one and then pass through the through hole three to be fixedly connected to the plug column.

[0015] Optionally, the size of the plug post is matched with the size of the through hole three, and the outer surface of the plug post needs to have a large roughness.

[0016] (III) Beneficial effects

[0017] The utility model provides a surveying and mapping frame for construction, which has the following beneficial effects:

[0018] 1. This surveying frame for construction, through the coordinated arrangement of the top section, the connecting section and the end section, can achieve leveling when operated by a single person without taking the eyes away from the level bubble. The leveling operation can be achieved by rotating the connecting section with one hand, which simplifies the process and avoids the situation of becoming more and more deviated or over-adjusted.

[0019] 2. This kind of surveying and mapping frame for construction, through the coordinated arrangement of the connecting rope, the pressure plate, the fixing plate, the fixing block, the through hole three, the reset spring and the plug column, after the pointed feet are inserted into the sand, the pressure plate is pulled and the plug column is unfolded. The insertion depth of the sand can be adjusted as needed. The flexible insertion depth can meet the fixing needs of sandy land of different depths and enhance the fixing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0021] Figure 2 This is a front view structural diagram of the support leg of the utility model;

[0022] Figure 3 It is a schematic diagram of the explosion structure at the connection section of the utility model;

[0023] Figure 4 It is a front view cross-sectional structural schematic diagram of the connecting section of the utility model;

[0024] Figure 5 It is a front view cross-sectional structural schematic diagram of the last section of the utility model.

[0025] In the figure: 1, pan head; 2, top section; 3, connecting section; 4, end section; 5, pointed feet; 6, supporting legs; 7, pressure plate; 8, connecting rope; 9, plug column; 10, fixing plate; 11, reset spring; 101, mounting hole; 102, extension plate; 103, fixed shaft; 201, annular groove; 202, shaft contraction section; 203, through hole one; 301, through hole two; 302, groove; 303, fixed slider; 401, irregular concave section; 402, through hole three; 403, cavity; 701, fixing block. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0027] Example 1

[0028] See also Figures 1 to 4The utility model provides a technical solution: a surveying and mapping frame for construction, comprising a pan head 1 and three supporting legs 6, the supporting legs 6 are, from top to bottom, a top section 2, a connecting section 3, a terminal section 4 and a pointed foot 5, a shaft contraction section 202 is arranged at the lower end of the top section 2, a mounting hole 101 is arranged in the middle of the upper surface of the pan head 1, three groups of six extending plates 102 are fixedly installed on the lower surface of the pan head 1, a fixed rotating shaft 103 is rotatably connected between two extending plates 102 in the same group, a through hole 203 is arranged on the outer side surface of the upper end of the top section 2, the fixed rotating shaft 103 is rotatably installed in the through hole 203, the three supporting legs 6 are distributed in a ring array with respect to the mounting hole 101, a ring groove 201 is arranged on the outer side surface of the upper end of the shaft contraction section 202, a groove 302 is arranged on the lower surface of the connecting section 3, and a groove 303 is arranged on the upper surface of the connecting section 3. A second through hole 301 is provided, and the connecting section 3 is rotatably installed in the annular groove 201. The size of the second through hole 301 is adapted to the size of the annular groove 201, and the size of the groove 302 is adapted to the size of the shaft reduction section 202. A fixed slider 303 is fixedly installed on the inner wall of the groove 302. An irregular concave section 401 is provided on the outer side surface of the upper end of the end section 4, and the fixed slider 303 is installed in the irregular concave section 401. The size of the end section 4 is adapted to the size of the groove 302. The installation of the fixed slider 303 requires that the end section 4 can rotate in the groove 302. The bottom edge of the irregular concave section 401 is repeatedly superimposed with an arc and a line segment as basic components. The length of the line segment is consistent with the width of the fixed slider 303. Overall, the angle between the bottom edge of the irregular concave section 401 and the horizontal plane is an acute angle.

[0029] When in use, it should be noted that the path of the fixed slider 303 in the irregular concave section 401 is to rotate around the axis of the end section 4; after the support legs 6 are spread out and fixed, after the total station and other surveying and mapping equipment are installed through the mounting hole 101, the level bubble is observed, and the connecting section 3 in the direction in which the bubble is biased is adjusted. The adjustment method is to rotate the connecting section 3. After the installation is completed, the fixed slider 303 is placed on the line segment on the bottom edge of the irregular concave section 401. By rotating the connecting section 3, the fixed slider 303 is rotated in the groove 302 of the top section 2, and the fixed slider 303 switches between adjacent line segments of different heights through an arc path to achieve the purpose of adjusting the height.

[0030] Example 2

[0031] See also Figures 1 to 5The utility model provides a technical solution: a surveying frame for construction, a cavity 403 is arranged inside the end section 4, a plurality of pressure plates 7 are installed on the outer side of the end section 4, a plurality of fixing plates 10 are fixedly installed in the cavity 403, the number of the fixing plates 10 is the same as the number of the pressure plates 7, a return spring 11 is fixedly installed below the fixing plate 10, and a fixed block 701 is fixedly connected to the end of the return spring 11 away from the fixing plate 10, a connecting rope 8 is fixedly installed below the outer side of the pressure plate 7, and the connecting rope 8 is away from the pressure plate One end of the plate 7 is fixedly connected with a plug column 9, and the connecting rope 8 passes through the outer wall of the cavity 403 and is inserted into the cavity 403. The fixing block 701 is fixedly installed on the outer side of the connecting rope 8 in the cavity 403. The connecting rope 8 is installed in the reset spring 11. After passing through the fixing plate 10, several connecting ropes 8 are merged into one and then pass through the through hole three 402 to be fixedly connected with the plug column 9. The through hole three 402 is opened on the outer side of the end section 4. The size of the plug column 9 is adapted to the size of the through hole three 402, and the outer surface of the plug column 9 needs to have a large roughness.

[0032] When in use, several pressure plates 7 are engaged in the recesses opened on the outer side of the end section 4, and the upper end of the pressure plate 7 is rotatably connected to the end section 4 through a rotating shaft; after the pointed feet 5 are inserted into the sand at a suitable depth, in order to prevent the supporting legs 6 from shifting in the soft sand, the plug column 9 can be pulled, and the plug column 9 drives several connecting ropes 8 fixed to it, and the connecting rope 8 pulls the pressure plate 7 away from the end section 4 to form an outwardly extending plate, and then the end section 4 is rotated so that the outwardly extending pressure plate 7 is fully fitted with the sand, thereby achieving the effect of strengthening the fixing stability, and the plug column 9 can be inserted into the appropriate position after being pulled. It fixes itself in the matching through hole three 402; in this process, the return spring 11 is compressed by the fixed block 701 to store elastic potential energy. After the pointed foot 5 is pulled out of the soil, the plug post 9 is pulled out from the through hole three 402, and the return spring 11 plays a role in releasing the elastic potential energy, and the plug post 9 is pulled back to its original position. The pressure plate 7 returns to a vertical state under the action of gravity, which is convenient for next use; compared with a fixed pressure seat, the pressure seat can only exist on the surface of sand, and the utility model can adapt to sand of different depths. The pressure plate 7 exists in the sand, and the stability provided is more reliable.

[0033] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A surveying and mapping stand for construction, comprising a pan head and three supporting legs, characterized in that: The supporting legs are composed of a top section, a connecting section, a terminal section and a pointed foot from top to bottom, a shaft contraction section is provided at the lower end of the top section, a ring groove is provided on the outer side surface of the upper end of the shaft contraction section, a groove is provided on the lower surface of the connecting section, a through hole 2 is provided on the upper surface of the connecting section, a fixed slider is fixedly installed on the inner wall of the groove, and an irregular concave section is provided on the outer side surface of the upper end of the terminal section; a cavity is provided inside the terminal section, a plurality of pressure plates are installed on the outer side surface of the terminal section, a connecting rope is fixedly installed below the outer side surface of the pressure plate, the end of the connecting rope away from the pressure plate is fixedly connected to a plug column, and a through hole 3 is provided on the outer side surface of the terminal section.

2. A surveying and mapping stand for construction according to claim 1, characterized in that: A mounting hole is provided in the middle of the upper surface of the gimbal, and three groups of six extending plates are fixedly installed on the lower surface of the gimbal. A fixed rotating shaft is rotatably connected between two extending plates in the same group. A through hole one is provided on the outer side surface of the upper end of the top section, and the fixed rotating shaft is rotatably installed in the through hole one. The three supporting legs are distributed in a circular array about the mounting hole.

3. A surveying and mapping stand for construction according to claim 1, characterized in that: The connecting section is rotatably installed in the annular groove, the size of the second through hole matches the size of the annular groove, and the size of the groove matches the size of the shaft shrinkage section.

4. A surveying and mapping stand for construction according to claim 1, characterized in that: The fixed slider is installed in the irregular concave section, the size of the end section is adapted to the size of the concave section, and the installation of the fixed slider needs to ensure that the end section can rotate in the concave section.

5. A surveying and mapping stand for construction according to claim 4, characterized in that: The bottom edge of the irregular concave segment is formed by repeatedly superimposing a circular arc and a line segment as basic components, the length of the line segment is consistent with the width of the fixed slider, and generally speaking, the angle between the bottom edge of the irregular concave segment and the horizontal plane is an acute angle.

6. A surveying and mapping stand for construction according to claim 1, characterized in that: A plurality of fixing plates are fixedly installed in the cavity, the number of the fixing plates is the same as the number of the pressure-bearing plates, a return spring is fixedly installed below the fixing plate, and one end of the return spring away from the fixing plate is fixedly connected to a fixing block.

7. A surveying and mapping stand for construction according to claim 6, characterized in that: The connecting rope passes through the outer wall of the cavity and is inserted into the cavity. The fixing block is fixedly installed on the outer side of the connecting rope in the cavity. The connecting rope is installed in the reset spring. After passing through the fixing plate, several connecting ropes are merged into one and then pass through the through hole three to be fixedly connected to the plug column.

8. The surveying and mapping stand for construction according to claim 1, characterized in that: The size of the plug post is matched with the size of the through hole three, and the outer surface of the plug post needs to have a large roughness.

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