Measuring device for tunnel construction

Abstract

The utility model discloses a measuring device for tunnel construction, which relates to the technical field of measuring devices and comprises a supporting platform, three connecting end blocks are integrally formed on the outer wall of the supporting platform, and supporting leg rods are arranged in internal grooves of the three connecting end blocks; the center round seat is welded to the upper end of the supporting platform, a connecting column is arranged at the upper end of the center round seat, a rotating shaft seat is welded to the top of the connecting column, and a laser range finder is arranged above the rotating shaft seat; the front end block is integrally formed and arranged at one end of the laser range finder, and a bearing clamping plate is integrally formed and arranged on the outer wall of one side of the front end block, so that the problems that an existing measuring device measures the interior of a tunnel through a detachable supporting measuring host, but the interior environment of the tunnel is relatively complex, and the measurement efficiency is high are solved. And the adjustable range of pure host measurement is limited, so that the measurement precision is poor.

Description

Technical Field

[0001] The utility model relates to the technical field of measuring devices, in particular to a measuring device used for tunnel construction. Background Art

[0002] Tunnel construction refers to the general term for the construction methods, construction techniques and construction management of building tunnels and underground caverns. During the tunnel construction process, it is necessary to use measuring devices to measure the required length data.

[0003] For example, the announcement number is: CN209623707U (named as a measuring device for tunnel construction design), which includes a main unit and a supporting structure. The supporting structure is located below the main unit to support and stabilize the main unit. Specifically, the lower part of the main unit is provided with a base connected to the supporting structure, the supporting structure includes a substrate connected to the base, a connecting structure is provided on the base, a tightening connecting device is provided at the connecting structure, and the base is connected and fixed to the side surface of the substrate through the tightening connecting device; a bottom plate is provided below the substrate, and the bottom plate is hinged with at least three supporting legs. The cooperation between the connecting structure and the tightening connecting device can ensure the flexibility of disassembly and assembly, and can also meet the stability of the connection. The above purpose can be achieved through a variety of structures. The utility model optimizes the connecting structure disclosed in the above technical solution and proposes a feasible option. The connecting structure includes an outer probe part and a connecting part connected to the base, the outer probe part extends to the outside of the side surface of the base, and the connecting part is provided with an adjustment hole, and the orifice of the adjustment hole faces the side surface of the substrate.

[0004] The above-mentioned measuring device measures the inside of the tunnel through a detachable supporting measuring host, but the environment inside the tunnel is relatively complex, and the adjustable range of the host measurement alone is limited, resulting in poor measurement accuracy. For this reason, we provide a measuring device for tunnel construction. Utility Model Content

[0005] The purpose of the utility model is to provide a measuring device for tunnel construction, so as to solve the problem that the existing measuring device proposed in the above background technology measures the inside of the tunnel through a detachable supporting measuring host, but the environment inside the tunnel is relatively complex, and the adjustable range of the host measurement alone is limited, resulting in poor measurement accuracy.

[0006] To achieve the above object, the utility model provides the following technical solutions: a measuring device for tunnel construction, comprising a support platform, three connecting end blocks are integrally formed on the outer wall of the support platform, and support rods are arranged in the inner grooves of the three connecting end blocks;

[0007] Also includes:

[0008] A central circular seat is welded and arranged at the upper end of the support platform, and a connecting column is arranged at the upper end of the central circular seat, a rotating shaft seat is welded and arranged at the top of the connecting column, and a laser rangefinder is arranged above the rotating shaft seat;

[0009] A front end block is integrally formed and arranged at one end of the laser rangefinder, and a carrying card plate is integrally formed and arranged on an outer wall of one side of the front end block, a take-up roller is movably arranged between the two carrying card plates via a connecting shaft, and a measuring tape is wound on the outer wall of the take-up roller;

[0010] The anti-slip groove is arranged at the inner center position of the central circular seat, and an anti-slip connecting shaft is movably arranged inside the anti-slip groove, and the anti-slip connecting shaft and the connecting column are an integrated structure.

[0011] Preferably, a mother Velcro is provided on one side of the take-up roller, the mother Velcro is fixedly connected to the front end block by nail-free glue, and a child Velcro is fixedly provided on one end of the measuring tape by nail-free glue.

[0012] Preferably, a bottom connection block is integrally formed at the center of the bottom of the laser rangefinder, and the bottom connection block is movably connected to the rotating shaft seat via a rotating shaft.

[0013] Preferably, a winding handle is provided on an outer wall of one side of the carrying card plate, and the winding handle is linked to a rotating shaft of the take-up roller.

[0014] Preferably, the connecting column is movably connected to the anti-slip rotation groove inside the central circular seat through an anti-slip connecting shaft.

[0015] Preferably, the measuring tape is bonded and connected to the female Velcro on the front end block via the female Velcro, and the measuring tape is wound and connected to the front end block via a tape-winding roller.

[0016] Preferably, the three support rods are spaced at equal intervals, and the support rods are movably connected to the connecting end blocks via a rotating shaft.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] 1. The utility model enables the laser rangefinder to be steered 360 degrees by correspondingly connecting the anti-slip shaft and the anti-slip rotation groove, and the laser rangefinder can be rotated and adjusted by the movable connection between the bottom connection block and the rotation shaft seat, so that the laser rangefinder can be adjusted to a suitable measuring position, thereby improving the measuring range of the measuring device and overcoming the problem that the existing measuring device measures the interior of the tunnel through a detachable supporting measuring host, but the environment inside the tunnel is relatively complex, and the adjustable range of the simple host measurement is limited, resulting in poor measurement accuracy.

[0019] 2. After measuring the height with the laser rangefinder, pull the measuring tape to unwind from the take-up roller so that the measuring tape is straightened and grounded, measure the straight-line distance between the laser emitting end and the receiving end of the laser rangefinder and the ground, add the straight-line distance to the height value measured by the laser rangefinder, and get the height value of the measured position from the ground, thereby improving the accuracy of the height measurement. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a front view of the structure of the measuring device for tunnel construction of the utility model;

[0021] Figure 2 This is a rear view of the structure of the measuring device for tunnel construction of the utility model;

[0022] Figure 3 This is a schematic diagram of the internal structure of the measuring device for tunnel construction of the utility model;

[0023] Figure 4 It is an enlarged schematic diagram of the structure of part A of the utility model;

[0024] In the figure: 1. Support platform; 2. Connecting end block; 3. Support foot rod; 4. Center circle seat; 5. Connecting column; 6. Laser rangefinder; 7. Front end block; 8. Measuring tape; 9. Sub-Velcro; 10. Rotating shaft seat; 11. Bottom connecting block; 12. Anti-slip groove; 13. Anti-slip connecting shaft; 14. Carrying pallet; 15. Take-up roller; 16. Take-up handle; 17. Mother Velcro. DETAILED DESCRIPTION

[0025] 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.

[0026] See also Figure 1-Figure 4 The utility model provides an embodiment: a measuring device for tunnel construction, comprising a support platform 1, three connecting end blocks 2 are integrally formed on the outer wall of the support platform 1, and support rods 3 are arranged in the inner grooves of the three connecting end blocks 2;

[0027] Also includes:

[0028] The center round seat 4 is welded and arranged at the upper end of the support platform 1, and a connecting column 5 is arranged at the upper end of the center round seat 4, a rotating shaft seat 10 is welded and arranged at the top of the connecting column 5, and a laser rangefinder 6 is arranged above the rotating shaft seat 10;

[0029] A front end block 7 is integrally formed and arranged at one end of the laser rangefinder 6, and a carrying card plate 14 is integrally formed and arranged on one side outer wall of the front end block 7, a take-up roller 15 is movably arranged between the two carrying card plates 14 via a connecting shaft, and a measuring tape 8 is wound on the outer wall of the take-up roller 15;

[0030] The anti-slip groove 12 is arranged at the inner center position of the central circular seat 4 , and an anti-slip connecting shaft 13 is movably arranged inside the anti-slip groove 12 , and the anti-slip connecting shaft 13 and the connecting column 5 are an integral structure.

[0031] When in use, the laser rangefinder can be steered 360 degrees through the corresponding connection between the anti-slip shaft and the anti-slip rotation groove, and the laser rangefinder can be rotated and adjusted through the movable connection between the bottom connection block and the rotation shaft seat, so that the laser rangefinder can be adjusted to a suitable measuring position, thereby improving the measuring range of the measuring device.

[0032] See also Figure 1 and Figure 4 A female Velcro 17 is provided on one side of the take-up roller 15, and the female Velcro 17 is fixedly connected to the front end block 7 by nail-free glue. A child Velcro 9 is fixedly provided on one end of the measuring tape 8 by nail-free glue. The female Velcro 17 provided on one side of the take-up roller 15 plays a role of corresponding connection with the child Velcro 9.

[0033] See also Figure 1 A bottom connection block 11 is integrally formed at the bottom center of the laser rangefinder 6, and the bottom connection block 11 is movably connected to the rotating shaft seat 10 through a rotating shaft. The bottom connection block 11 integrally formed at the bottom center of the laser rangefinder 6 plays a role of movably connecting with the rotating shaft seat 10.

[0034] See also Figure 4 A winding handle 16 is provided on the outer wall of one side of a carrying card plate 14, and the winding handle 16 is linked with a rotating shaft of the take-up roller 15. The winding handle 16 provided on the outer wall of one side of the carrying card plate 14 plays a role in driving the take-up roller 15 to rotate.

[0035] See also Figure 3 The connecting column 5 is movably connected to the anti-slip rotation groove 12 inside the central circular seat 4 through the anti-slip connecting shaft 13.

[0036] See also Figure 2 and Figure 4 The measuring tape 8 is bonded and connected to the female Velcro 17 on the front end block 7 through the female Velcro 9, and the measuring tape 8 is wound and connected to the front end block 7 through the take-up roller 15.

[0037] See also Figure 1The spacing between the three support rods 3 is equal, and the support rods 3 are movably connected to the connecting end block 2 through a rotating shaft.

[0038] Working principle: The support platform 1 is supported and erected to the measuring position in the tunnel through three supporting rods 3, and then the anti-slip shaft 13 and the anti-slip rotation groove 12 are correspondingly connected to enable the laser rangefinder 6 to be steered 360 degrees. The bottom connection block 11 and the rotating shaft seat 10 are movable to allow the laser rangefinder 6 to be rotated and adjusted, so that the laser rangefinder 6 can be adjusted to a suitable measuring position, thereby increasing the measuring range of the measuring device. When performing height measurement, the laser rangefinder 6 is rotated and adjusted so that the laser transmitting end and the receiving end point to the corresponding height position. After the optical rangefinder 6 measures the height, the measuring tape 8 is pulled and unwound from the take-up roller 15, so that the measuring tape 8 is straightened and grounded, and the straight-line distance between the laser emitting end and the receiving end of the laser rangefinder 6 and the ground is measured. The straight-line distance is added to the height value measured by the laser rangefinder 6 to obtain the height value of the measuring position from the ground. Finally, the winding handle 16 is turned to wind the pulled-out measuring tape 8 onto the take-up roller 15, and the sub-Velcro 9 at one end is bonded and connected to the female Velcro 17 on the front end block 7, fixed and stored, and the use of the measuring device for tunnel construction is completed.

[0039] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A measuring device for tunnel construction, comprising a support platform (1), wherein three connecting end blocks (2) are integrally formed on the outer wall of the support platform (1), and support rods (3) are arranged in inner grooves of the three connecting end blocks (2); Features: Also includes: A central circular seat (4) is welded and arranged at the upper end of the support platform (1), and a connecting column (5) is arranged at the upper end of the central circular seat (4), a rotating shaft seat (10) is welded and arranged at the top of the connecting column (5), and a laser rangefinder (6) is arranged above the rotating shaft seat (10); A front end block (7) is integrally formed and arranged at one end of the laser rangefinder (6), and a carrying card plate (14) is integrally formed and arranged on an outer wall of one side of the front end block (7), a tape-taking roller (15) is movably arranged between the two carrying card plates (14) via a connecting shaft, and a measuring tape ruler (8) is wound around the outer wall of the tape-taking roller (15); The anti-slip groove (12) is arranged at the inner center position of the central circular seat (4), and an anti-slip connecting shaft (13) is movably arranged inside the anti-slip groove (12), and the anti-slip connecting shaft (13) and the connecting column (5) are an integrated structure.

2. A measuring device for tunnel construction according to claim 1, characterized in that: A female Velcro (17) is provided on one side of the tape take-up roller (15), the female Velcro (17) is fixedly connected to the front end block (7) by means of nail-free glue, and a sub-Velcro (9) is fixedly provided on one end of the measuring tape ruler (8) by means of nail-free glue.

3. A measuring device for tunnel construction according to claim 1, characterized in that: A bottom connection block (11) is integrally formed at the center of the bottom of the laser rangefinder (6), and the bottom connection block (11) is movably connected to the rotating shaft seat (10) via a rotating shaft.

4. A measuring device for tunnel construction according to claim 1, characterized in that: A winding handle (16) is provided on an outer wall of one side of the carrying card plate (14), and the winding handle (16) is linked to a rotating shaft of the winding roller (15).

5. A measuring device for tunnel construction according to claim 1, characterized in that: The connecting column (5) is movably connected to the anti-slip rotation groove (12) inside the central circular seat (4) via an anti-slip connecting shaft (13).

6. A measuring device for tunnel construction according to claim 2, characterized in that: The measuring tape measure (8) is bonded and connected to the main Velcro tape (17) on the front end block (7) via the sub Velcro tape (9), and the measuring tape measure (8) is wound and connected to the front end block (7) via the take-up roller (15).

7. A measuring device for tunnel construction according to claim 1, characterized in that: The three support rods (3) are spaced at equal intervals, and the support rods (3) are movably connected to the connecting end block (2) via a rotating shaft.

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