Laser-assisted sighting device for optical level gauge

Abstract

The utility model provides a laser-assisted sighting device for an optical level gauge. The laser-assisted sighting device comprises a U-shaped base and a laser mounted on the U-shaped base, and the U-shaped base is inversely buckled on the top of the optical level gauge and is fixedly clamped through a locking mechanism; a laser fixing clamping piece mechanism is arranged on the closed face of the U-shaped base, the laser is arranged above the optical level gauge in parallel and is fixedly clamped through the laser fixing clamping piece mechanism, and the laser emitting end of the laser and the light emitting end of the optical level gauge are located on the same side. The utility model can assist the optical level to accurately find a target, and solves the problem that the existing optical level is difficult to find the target when the light is insufficient and the distance is too long; under the condition that normal measurement of the optical level gauge is not affected, the measuring speed is greatly increased, the working efficiency is improved, and meanwhile, the device can be used in multiple occasions.

Description

Technical Field

[0001] The utility model relates to an auxiliary tool for measuring foundation pit excavation through artificial bottom closing construction, specifically a laser auxiliary aiming device for an optical level, which can be installed on an existing optical level and uses laser auxiliary aiming to replace artificial optical aiming to find a target. Background Art

[0002] Subway foundation pit construction involves earth excavation. When the earth excavation approaches the bottom elevation, in order to control the excavation elevation and prevent over-excavation or under-excavation, surveyors need to control it on the job. Due to the characteristics of subway construction, the bottom excavation is basically done at night, and the depth and size of the foundation pit will lead to insufficient light and long distance, which makes it inconvenient to find the target for bottom measurement. Therefore, it is necessary to solve the problem of difficulty in finding the target of the optical level due to environmental reasons. Summary of the invention

[0003] The utility model provides a laser-assisted aiming device for an optical level in view of the problem that the existing optical level has insufficient light, too far a distance and difficulty in finding a target. The device can be installed on the optical level and cooperate with a laser to assist in aiming the target. It has a simple structure and low cost, does not affect normal measurement, can greatly improve operating efficiency, and is suitable for use in various occasions.

[0004] In order to achieve the above technical objectives, the utility model provides a laser-assisted aiming device for an optical level, the laser-assisted aiming device comprising a U-shaped base and a laser mounted on the U-shaped base, the U-shaped base being inverted on the top of the optical level and being fixed and clamped by a locking mechanism; a laser fixing clip mechanism is provided on the closed surface of the U-shaped base, the laser is placed parallel to the top of the optical level, and is fixed and clamped by the laser fixing clip mechanism, and the laser emitting end of the laser and the light emitting end of the optical level are located on the same side.

[0005] The better technical solution of the utility model is as follows: the width of the U-shaped opening of the U-shaped base matches the width of the optical level, the U-shaped base is upside down installed on the front end of the optical level, and the locking mechanism is a locking bolt, which is detachably arranged on one side horizontal plate or both side horizontal plates of the U-shaped base.

[0006] The better technical solution of the utility model: the laser fixing clip mechanism includes a base plate and two elastic clips installed on the base plate, the laser fixing clip mechanism is fixed above the U-shaped base, parallel to the observation direction of the level, and the center line coincides with the center line of the level; the laser is placed between the two elastic clips.

[0007] The better technical solution of the utility model is as follows: the inverted U-shaped base is a square frame with a length of 50mm to 60mm, an outer width of 66mm and an inner width of 60mm, a height of 50mm, a side thickness of 3mm, and a top thickness of 10mm.

[0008] The preferred technical solution of the utility model is as follows: the laser is a laser pen with a diameter of 15 mm to 20 mm and a length of 80 mm.

[0009] A better technical solution of the utility model is that the inverted U-shaped base should fit tightly with the top of the optical level and maintain a consistent level with the instrument during use.

[0010] The better technical solution of the utility model is as follows: the end of the locking bolt on the horizontal plate of the U-shaped base is provided with a clinker rubber pad, which ensures that the base is fixed without damaging the level instrument itself.

[0011] The preferred technical solution of the utility model is as follows: the two elastic clips of the laser fixing clip mechanism are of adjustable width structure, with a width between 30mm and 50mm and a height of 20mm.

[0012] The utility model installs a detachable laser above the original optical level, including a U-shaped base in contact with the level, the U-shaped base can be directly buckled on the front end of the level, the U-shaped base and the top of the level need to be tightly fitted, and keep consistent level with the instrument during use, the side of the base is provided with a locking bolt for controlling installation and disassembly, the upper part is two elastic clips with controllable tightness, the telescopic clip can match lasers of different models, and the laser that is easy to disassemble is installed inside the clip.

[0013] The utility model has a simple manufacturing process, a small size, a light weight, and is easy to assemble and disassemble. The device only needs to be installed at the front end of the level, and after being tightened, the laser can be turned on to assist the optical level in finding the target, solving the problem that the existing optical level has difficulty in finding the target due to insufficient light and too far distance. The device greatly improves the measuring speed and increases the working efficiency without affecting the normal measurement of the optical level, and can also be used in multiple occasions. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2 It is a cross-sectional schematic diagram of the utility model;

[0016] Figure 3 It is a schematic diagram of the installation of the utility model.

[0017] In the figure: 1 - laser, 2 - clamp for fixing the laser, 3 - U-shaped base, 4 - locking mechanism. DETAILED DESCRIPTION

[0018] The utility model is further described below in conjunction with the accompanying drawings and embodiments. Figures 1 to 3 The drawings are all of embodiments, which are drawn in a simplified manner and are only used for the purpose of clearly and concisely illustrating the embodiments of the utility model. The following technical solutions shown in the drawings are specific solutions of the embodiments of the utility model and are not intended to limit the scope of the utility model to be protected. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] In the description of the present utility model, it should be understood that the terms "upper", "lower", "inner", "outer", "left", "right", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, or the orientation or position relationship commonly understood by those skilled in the art, which is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0020] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms such as "setting" and "connection" should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] The embodiment provides a laser-assisted aiming device for an optical level, such as Figures 1 to 3As shown, the laser auxiliary aiming device includes a U-shaped base 3 and a laser 1 installed on the U-shaped base 3. The U-shaped base 3 is inverted on the front end of the optical level 5. In order to ensure the stability of the base installation, it is fixed and clamped by a locking mechanism 4; the locking mechanism 4 is a locking bolt, which is detachably arranged on one side horizontal plate or both side horizontal plates of the U-shaped base 3. The U-shaped base 3 can be removed and the screws can be loosened. The end of the locking bolt on the horizontal plate of the U-shaped base 3 is provided with a clinker rubber pad to ensure that the base is fixed without damaging the level instrument itself. A laser fixing clip mechanism 2 is provided on the closed surface of the U-shaped base 3. The laser 1 is placed parallel to the top of the optical level 5 and is fixed and clamped by the laser fixing clip mechanism 2, and the laser emitting end of the laser 1 and the light emitting end of the optical level 5 are located on the same side. The U-shaped opening width of the U-shaped base 3 matches the width of the optical level 5, and the U-shaped base 3 is inverted and installed on the front end of the optical level 5. The laser fixing clamp mechanism 2 includes a bottom plate and two elastic clamps mounted on the bottom plate. The clamp is a single-sided movable side plate, one side is fixed and the other side is adjusted by a spring to clamp the laser. The laser fixing clamp mechanism 2 is fixed above the inverted U-shaped base, parallel to the observation direction of the level, and the center line coincides with the center line of the level; the laser 1 is placed between the two elastic clamps.

[0022] The laser described in the embodiment is a laser pen with a diameter of 15mm to 20mm and a length of 80mm. The U-shaped base 3 is a square frame with a length of 50mm to 60mm, an outer width of 66mm and an inner width of 60mm, a height of 50mm, a side thickness of 3mm, and a top thickness of 10mm. The U-shaped base 3 needs to fit tightly with the top of the optical level 5 and maintain a consistent level with the instrument during use. The two elastic clips of the laser fixing clip mechanism 2 are width-adjustable structures with a width of 30mm to 50mm and a height of 20mm.

[0023] When the utility model is used, Figure 2 and Figure 3 As shown, the U-shaped base 3 is mounted upside down on the top of the optical level 5 near the emitting end, and the U-shaped base 3 is adjusted to ensure that the laser fixing clip mechanism 2 is parallel to the observation direction of the level, and the center line coincides with the center line of the level, and then it is fixed and clamped by the locking bolt; the laser 1 is placed between the two elastic clips and fixed and clamped, so that when the light is insufficient and the distance is too far, and it is difficult to find the target, the laser 1 can be turned on to use the laser to assist in finding the target.

[0024] The utility model has the advantages of moderate size, light weight, convenient disassembly, easy acquisition of material accessories, greatly improving work efficiency, and can be used as a laser level in multiple occasions, thus improving the use value of the level.

[0025] The above is only one embodiment of the utility model, and its description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model shall be based on the attached claims.

Claims

1. A laser-assisted aiming device for an optical level, characterized in that: The laser auxiliary aiming device comprises a U-shaped base (3) and a laser (1) mounted on the U-shaped base (3); the U-shaped base (3) is inverted on the top of the optical level (5) and is fixed and clamped by a locking mechanism (4); a laser fixing clamp mechanism (2) is provided on the closed surface of the U-shaped base (3); the laser (1) is placed parallel to the top of the optical level (5) and is fixed and clamped by the laser fixing clamp mechanism (2); and the laser emitting end of the laser (1) and the light emitting end of the optical level (5) are located on the same side.

2. A laser-assisted aiming device for an optical level according to claim 1, characterized in that: The width of the U-shaped opening of the U-shaped base (3) matches the width of the optical level (5), the U-shaped base (3) is mounted upside down on the front end of the optical level (5), and the locking mechanism (4) is a locking bolt that is detachably arranged on one side horizontal plate or both side horizontal plates of the U-shaped base (3).

3. A laser-assisted aiming device for an optical level according to claim 1 or 2, characterized in that: The laser fixing clip mechanism (2) comprises a base plate and two elastic clips mounted on the base plate. The laser fixing clip mechanism (2) is fixed above the inverted U-shaped base, parallel to the observation direction of the level, and the center line coincides with the center line of the level. The laser (1) is placed between the two elastic clips.

4. A laser-assisted aiming device for an optical level according to claim 1 or 2, characterized in that: The U-shaped base (3) is a square frame with a length of 50 mm to 60 mm, an outer width of 66 mm and an inner width of 60 mm, a height of 50 mm, a side thickness of 3 mm, and a top thickness of 10 mm.

5. A laser-assisted aiming device for an optical level according to claim 1 or 2, characterized in that: The laser is a laser pen with a diameter of 15 mm to 20 mm and a length of 80 mm.

6. The laser-assisted aiming device for an optical level according to claim 2, characterized in that: The U-shaped base (3) and the top of the optical level (5) must fit tightly together and remain level with the instrument during use.

7. The laser-assisted aiming device for an optical level according to claim 2, characterized in that: The ends of the locking bolts on the horizontal plate of the U-shaped base (3) are provided with clinker rubber pads.

8. The laser-assisted aiming device for an optical level according to claim 3, characterized in that: The two elastic clips of the laser fixing clip mechanism (2) are of a width-adjustable structure, with a width of 30 mm to 50 mm and a height of 20 mm.

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