Automatic leveling device of gradienter

Abstract

The utility model discloses an automatic leveling device of a gradienter. The automatic leveling device comprises a hollow rod body and a mounting structure, a plurality of supporting rods are rotationally arranged below the rod body, and universal wheels are detachably arranged at the ends, away from each other, of the supporting rods; the extension rod is located between the rod body and the mounting structure, the lower end of the extension rod is movably arranged at the upper end in the rod body, and the upper end is fixedly connected with the mounting structure; the mounting structure comprises a connecting ring, a bearing ring is rotatably arranged in the connecting ring, a mounting disc is rotatably arranged in the bearing ring, and the gradienter is detachably mounted at the middle end of the mounting disc; and a plurality of balancing weights are arranged below the mounting disc. Through the mounting structure capable of rotating in different directions and the corresponding balancing weights, the gradienter is always perpendicular to the ground under the traction of the gravity of the balancing weights, and the operation precision of the gradienter can be guaranteed even if the whole device is not flat enough.

Description

Technical Field

[0001] This utility model relates to the field of measuring tool technology, specifically to an automatic leveling device for a spirit level. Background Technology

[0002] A level is a tool used to measure the levelness of a plane. It is mainly used to inspect the flatness, straightness, perpendicularity, and horizontal position of various machine tools and workpieces, as well as the horizontal position of equipment installation. Levels are widely used in fields such as construction, surveying, and aerospace. In construction, they are used to determine the levelness of the ground, walls, and countertops; in surveying, they are used to measure geographic coordinates.

[0003] During surveying, levels are typically mounted on tripods for easy measurement. Tripods often have height adjustment functions, allowing the level to be used at different heights. In practical applications, levels must be perfectly level; tilting will affect the measurement results. Current technology requires the tripod to be placed on a stable, flat surface. However, surveyed terrain is not always perfectly flat, and relying solely on visual inspection to find flat areas has limitations, failing to guarantee the objectivity and accuracy of the measurement results. Therefore, there is room for technological improvement. Utility Model Content

[0004] This invention aims to solve the aforementioned technical problem that relying solely on visual inspection to find flat terrain has limitations and cannot guarantee the objectivity and accuracy of measurement results, by providing an automatic leveling device for a spirit level.

[0005] To solve the above-mentioned technical problems, the technical solution provided by this utility model is as follows: an automatic leveling device for a spirit level, comprising a hollow rod body and an installation structure; a plurality of support rods are rotatably provided below the rod body, and each of the support rods is detachably provided with a caster wheel at one end away from each other; it also includes an extension rod, which is located between the rod body and the installation structure, with its lower end movably disposed in the upper end of the rod body and its upper end fixedly connected to the installation structure;

[0006] The mounting structure includes a connecting ring, a receiving ring rotatably disposed within the connecting ring, and a mounting plate rotatably disposed within the receiving ring. The level is detachably mounted in the middle of the mounting plate. Several counterweights are disposed below the mounting plate.

[0007] It also features a tapered spike that can be detachably connected to the end of the support rod.

[0008] Furthermore, the upper end of the extension rod is provided with a cylindrical fixing block, and the front and rear ends and the left and right ends of the fixing block are provided with arc-shaped rods, and the upper ends of the arc-shaped rods are fixedly connected to the corresponding positions below the connecting ring.

[0009] Further, the mounting disc front and rear ends are provided with rotating shaft one, the receiving ring inside front and rear ends are provided with circular hole one capable of rotating with rotating shaft one; the receiving ring two ends are provided with rotating shaft two, the connecting ring inside two sides are provided with circular hole two capable of rotating with rotating shaft two.

[0010] Further, the rod body upper end is provided with threaded shoulder, the threaded shoulder upper end gradually reduces and the outside is provided with a plurality of through slots; the threaded shoulder outside is threadedly connected with limiting nut, the limiting nut gradually reduces from the middle end to the upper end inner diameter.

[0011] Further, the rod body lower end is provided with bottom column with triangular cross section, the bottom column outside is provided with base, the support rod end portions are hingedly connected with the base; the base two sides are provided with U-shaped frame, the U-shaped frame inside is slidably provided with pin rod, the pin rod outside is provided with spring, the pin rod end portion is provided with limiting block, the limiting block extends through the base and extends into the support rod; the base and support rod two sides are provided with rectangular hole capable of accommodating the limiting block.

[0012] Further, the limiting nut outside is provided with anti-skid sleeve.

[0013] The utility model has the advantages that compared with prior art:

[0014] Through the installation structure capable of rotating in different directions and the corresponding counterweight, under the traction of the gravity of the counterweight, the level meter is always perpendicular to the ground, so that the operation precision of the level meter can be guaranteed even if the position of the overall device is not flat enough;

[0015] The support rod is provided with the function of being folded upward, so that the center of gravity is lowered during use, the support rod is close to the ground, the upper space is released, the support rod can be used in the place with fence and machine, the support rod can be extended into the bottom of the machine or fence during use, and the practicability is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structural schematic diagram of the utility model.

[0017] Figure 2 It is the mounting structure schematic diagram of the utility model.

[0018] Figure 3 It is the mounting structure split schematic diagram of the utility model.

[0019] Figure 4 It is the rod body and extension rod connecting structure schematic diagram of the utility model.

[0020] Figure 5 It is the support rod connecting structure schematic diagram of the utility model.

[0021] Figure 6It is the support rod retracted state schematic diagram of the utility model.

[0022] As shown in the figure: 1, pole body, 2, support rod, 3, universal wheel, 4, extension rod, 5, connecting ring, 6, receiving ring, 7, mounting disc, 8, level, 9, counterweight, 10, fixed block, 11, arc rod, 12, pivot one, 13, round hole one, 14, pivot two, 15, threaded shoulder, 16, limit nut, 17, base, 18, U-shaped frame, 19, pin rod, 20, limit block, 21, rectangular hole, 22, conical spike. DETAILED DESCRIPTION

[0023] The utility model makes further detailed description in combination with the drawings below.

[0024] Embodiment one, in combination with the drawings Figures 1-3 A level automatic leveling device, including hollow pole body 1 and mounting structure, support rod 2 mutually far away one end can detachably be equipped with universal wheel 3, through universal wheel 3 can realize the movement of overall device and use,

[0025] Pole body 1 below rotation is equipped with a plurality of support rods 2, specifically, the pole body 1 lower end is equipped with the bottom column of cross section triangle, bottom column is equipped with three sides, three outer sides are all equipped with base 17, and support rod 2 end is all hinged with base 17, realizes triangle stable support,

[0026] Based on above-mentioned content, base 17 both sides are all equipped with U-shaped frame 18, and U-shaped frame 18 are all slidably equipped with pin rod 19, and pin rod 19 outer side is equipped with spring, and pin rod 19 end is equipped with limit block 20, and limit block 20 all extends through base 17 and extends into support rod 2, and base 17, support rod 2 both sides are all equipped with the rectangular hole 21 of being able to accommodate limit block 20, so that by pulling pin rod 19, spring compression, limit block 20 is removed from rectangular hole 21, so that support rod 2 can rotate and adjust angle, realize retraction and put down, after adjusting, pin rod 19 is released, and spring reset will drive limit block 20 to re-enter rectangular hole 21, realize limit,

[0027] In combination with the drawings Figure 1 , 4 Still include extension rod 4, and extension rod 4 is located between pole body 1 and mounting structure, and lower end is movably arranged in pole body 1, and upper end is fixedly connected with mounting structure,

[0028] Specifically, the upper end of the extension rod 4 is provided with a cylindrical fixed block 10, and the front and rear ends and the left and right ends of the fixed block 10 are provided with arc rods 11, and the upper ends of the arc rods 11 are fixedly connected with the corresponding positions below the mounting structure. The arc rods 11 function to fixedly connect the extension rod 4 and the mounting structure, and the arc shape can release space, facilitating the installation of the counterweight 9 and providing rotation space for the counterweight 9.

[0029] The upper end of the rod body 1 is provided with a threaded shoulder 15, which gradually narrows at the upper end and has several through grooves on the outer side; a limit nut 16 is threadedly connected to the outer side of the threaded shoulder 15, and the inner diameter of the limit nut 16 gradually narrows from the middle end to the upper end, and an anti-slip sleeve is provided on the outer side of the limit nut 16; in the above structure, rotating the fiber nut 16 to move it downward will gradually squeeze the upper end of the threaded shoulder 15 downward at the end with the smaller inner diameter, and the through grooves can provide space for compression deformation, thereby causing the upper end of the threaded shoulder 15 to gradually deform inward and lock the extension rod 4, thus realizing height adjustment;

[0030] Combined with appendix Figure 2 , 3 The installation structure includes a connecting ring 5, a receiving ring 6 rotatably disposed inside the connecting ring 5, and a mounting plate 7 rotatably disposed inside the receiving ring 6; a level 8 is detachably mounted in the middle of the mounting plate 7; and several counterweights 9 are disposed below the mounting plate 7.

[0031] Specifically, the mounting plate 7 has a rotating shaft 12 at both the front and rear ends, and the receiving ring 6 has a circular hole 13 at both the front and rear ends that can be rotatably connected to the rotating shaft 12; the receiving ring 6 has a rotating shaft 24 at both ends, and the connecting ring 5 has a circular hole 2 on both sides that can be rotatably connected to the rotating shaft 24; in the above structure, the mounting plate 7 can rotate left and right in the receiving ring 6, and the receiving ring 6 can rotate back and forth in the connecting ring 5. Thus, under the gravity traction of the counterweight 9, when the level 8 is not vertical, it will automatically correct and adjust through the universally rotatable mounting structure under the traction force, so that the level 8 is not affected by the uneven terrain and the measurement results are accurate;

[0032] Example 2, in conjunction with Appendix Figure 1 , 6 In addition to the structure mentioned above, a conical spike 22 is provided that can be detachably connected to the end of the support rod 2. Specifically, threaded mounting holes are provided at the bottom of the end of the support rod 2, and it is detachably connected to the caster 3 through the threaded mounting holes. When the geological environment is obviously uneven, the counterweight 9 will cause the level 8 to tilt significantly, which will affect the overall stability of the device and make it easy to tip over. In this case, the caster 3 can be removed and the conical spike 22 can be installed to insert it deeply into the ground to improve stability.

[0033] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.

Claims

1. An automatic leveling device for a spirit level, characterized in that: It includes a hollow rod body (1) and an installation structure; several support rods (2) are rotatably provided under the rod body (1), and each of the support rods (2) is detachably provided with a caster wheel (3) at one end away from each other; it also includes an extension rod (4), which is located between the rod body (1) and the installation structure, with its lower end movably disposed inside the upper end of the rod body (1), and its upper end fixedly connected to the installation structure; The installation structure includes a connecting ring (5), a receiving ring (6) is rotatably provided inside the connecting ring (5), and a mounting plate (7) is rotatably provided inside the receiving ring (6). The level (8) is detachably installed in the middle of the mounting plate (7); several counterweights (9) are provided below the mounting plate (7). It is also provided with a tapered spike (22) that can be detachably connected to the end of the support rod (2).

2. The automatic leveling device for a spirit level according to claim 1, characterized in that: The extension rod (4) has a cylindrical fixing block (10) at its upper end. The fixing block (10) has arc-shaped rods (11) at its front and rear ends and left and right ends. The upper ends of the arc-shaped rods (11) are fixedly connected to the corresponding positions below the connecting ring (5).

3. The automatic leveling device for a spirit level according to claim 1, characterized in that: The mounting plate (7) is provided with a rotating shaft (12) at both the front and rear ends, and the receiving ring (6) is provided with a round hole (13) at both the front and rear ends that can be rotatably connected to the rotating shaft (12); the receiving ring (6) is provided with a rotating shaft (14) at both ends, and the connecting ring (5) is provided with a round hole (2) on both sides that can be rotatably connected to the rotating shaft (14).

4. The automatic leveling device for a spirit level according to claim 1, characterized in that: The upper end of the rod (1) is provided with a threaded shoulder (15), the upper end of the threaded shoulder (15) gradually narrows and several through slots are opened on the outer side; the outer side of the threaded shoulder (15) is threadedly connected to a limiting nut (16), the inner diameter of the limiting nut (16) gradually narrows from the middle end to the upper end.

5. The automatic leveling device for a spirit level according to claim 1, characterized in that: The lower end of the rod (1) is provided with a base column with a triangular cross-section, and a base (17) is provided on the outer side of the base column. The end of the support rod (2) is hinged to the base (17). The base (17) is provided with a U-shaped frame (18) on both sides. A pin (19) is slidably provided in the U-shaped frame (18). A spring is provided on the outer side of the pin (19). A limiting block (20) is provided at the end of the pin (19). The limiting block (20) extends through the base (17) and into the support rod (2). The base (17) and the support rod (2) are provided with rectangular holes (21) on both sides that can accommodate the limiting block (20).

6. The automatic leveling device for a spirit level according to claim 4, characterized in that: The limiting nut (16) is provided with an anti-slip sleeve on the outside.

Images