CN-122015770-A - Leveling device with rapid ranging function and application method thereof

CN122015770ACN 122015770 ACN122015770 ACN 122015770ACN-122015770-A

Abstract

The invention relates to the technical field of engineering measurement, in particular to a leveling device with a rapid ranging function and a use method thereof, wherein the leveling device comprises a leveling instrument and a leveling rod, wherein the leveling instrument comprises a focusing assembly with a driving shaft, and the focusing of the leveling instrument is realized by rotating the driving shaft; when the leveling instrument finishes focusing by rotating the driving shaft, the distance between the leveling instrument and the leveling rod in front of the leveling instrument can be directly read through the distance reading dial.

Inventors

LIU YANCHEN
LUO LISHA
LI RENRONG
ZHANG SHUO
YU TONGCHENG
CHEN FENGBIN
HUANG YURUI

Assignees

江苏开放大学（江苏城市职业学院）

Dates

Publication Date: 20260512
Application Date: 20260416

Claims (10)

1. The leveling device with the rapid ranging function comprises a leveling instrument and a leveling rod, wherein the leveling instrument comprises a focusing assembly with a driving shaft (14), focusing of the leveling instrument is achieved through rotation of the driving shaft (14), the leveling instrument is characterized by further comprising a distance reading dial (24) and a gear transmission assembly, the distance reading dial (24) is arranged on the leveling instrument, a power input end and a power output end of the gear transmission assembly are respectively connected with the driving shaft (14) and the distance reading dial (24), when the driving shaft (14) rotates, the driving shaft (14) drives the distance reading dial (24) to rotate through the gear transmission assembly, and when the leveling instrument completes focusing through rotation of the driving shaft (14), the distance between the leveling instrument and the leveling rod in front of the leveling instrument can be directly read through the distance reading dial (24).
2. The leveling device with the rapid ranging function according to claim 1, wherein the leveling instrument further comprises a leveling instrument body and a pair of concave lenses, the leveling instrument body is of a front-back through shell structure, the pair of concave lenses are slidably mounted inside the leveling instrument body, the focusing assembly further comprises a rack (12), a first cylindrical gear (13) and a knob (16), the rack (12) is fixedly connected to the right end of the outer wall of the pair of concave lenses, the first cylindrical gear (13) is meshed with the rack (12) and can drive the rack (12) to drive the pair of concave lenses to move forwards and backwards, the first cylindrical gear (13) is coaxially and fixedly connected to one end of a driving shaft (14), the driving shaft (14) penetrates through and is rotatably connected with the right side wall of the leveling instrument body, and the other end of the driving shaft (14) is coaxially and fixedly connected with the knob (16).
3. The leveling device with the rapid ranging function according to claim 2, wherein the gear transmission assembly comprises a cylindrical gear II (17), a cylindrical gear III (18), a cylindrical gear IV (19), a cylindrical gear V (20), a connecting shaft I (21), a connecting shaft II (22) and a connecting shaft III (23), the cylindrical gear II (17) is coaxially and fixedly connected to the driving shaft (14), the cylindrical gear II (17), the cylindrical gear III (18), the cylindrical gear IV (19) and the cylindrical gear V (20) are sequentially meshed, the cylindrical gear III (18), the cylindrical gear IV (19) and the cylindrical gear V (20) are rotatably mounted on the right inner wall of the leveling instrument body through the connecting shaft I (21), the connecting shaft II (22) and the connecting shaft III (23), the distance reading dial (24) is disc-shaped and is coaxially and fixedly mounted on the cylindrical gear V (20), a strip-shaped hole penetrating through the inner cavity of the leveling instrument body is formed in the top end, and the upper part of the distance reading dial (24) penetrates through the strip-shaped hole and exposes the strip-shaped scale.
4. The leveling device with the rapid ranging function according to claim 3, further comprising a pointer (25) and a transparent shield (26), wherein the tail end of the pointer (25) is fixedly connected to the middle of the right side wall of the strip-shaped hole, the tip of the pointer (25) vertically extends out of the strip-shaped hole, the distance scale is arranged at the position of the circumferential edge of the distance reading dial (24) close to one face of the pointer (25), the transparent shield (26) covers the top end of the strip-shaped hole, and the tip of the pointer (25) and the upper portion of the distance reading dial (24) are both located in the transparent shield (26).
5. The leveling device with the rapid ranging function according to claim 2, wherein the leveling device further comprises a sliding block (9), a sliding rail (10) and a baffle plate (11), the sliding block (9) is in a T shape, the sliding rail (10) is fixedly installed in the middle of the bottom end of the inner wall of the leveling device body, a T-shaped sliding groove is formed in the top end of the sliding rail (10), the sliding block (9) is cooperatively installed on the sliding rail (10) and can slide back and forth along the sliding rail (10), two baffle plates (11) are symmetrically and fixedly installed at the front end and the rear end of the sliding rail (10), the pair of light concave lenses comprise a pair of light lens cone (7) and a pair of light lens (8), the pair of light lens (8) is fixedly installed on the inner wall of the pair of light lens cone (7), and the pair of light lens (7) is fixedly installed at the top end of the sliding block (9).
6. The leveling device with the rapid ranging function according to claim 2, wherein the leveling instrument further comprises an ocular, a cross wire reticle (27) and an objective lens, the objective lens and the ocular are respectively arranged at the front end and the rear end of the leveling instrument body, the cross wire reticle (27) is positioned between the ocular and the concave lens, and the ocular, the cross wire reticle (27), the concave lens and the objective lens are coaxially arranged.
7. The leveling device with the rapid ranging function according to claim 6, wherein the ocular comprises an ocular lens barrel (3) and an ocular lens (4), the ocular lens (4) and a cross wire reticle (27) are fixedly arranged on the inner wall of the ocular lens barrel (3), the ocular lens barrel (3) is fixedly connected to the rear end of the leveling instrument body, the objective comprises an objective lens barrel (5) and an objective lens (6), the objective lens (6) is fixedly arranged on the inner wall of the objective lens barrel (5), and the objective lens barrel (5) is fixedly connected to the front end of the leveling instrument body.
8. The leveling device with the rapid ranging function according to claim 6, further comprising a focusing plate (29) and fastening bolts (30), wherein the fastening bolts (30) are arranged in a plurality, the focusing plate (29) is detachably and fixedly arranged at an outer side end port of the objective lens through the fastening bolts (30), a plurality of oblique slits are symmetrically arranged on the upper side and the lower side of the focusing plate (29) respectively, the oblique slits are inclined at an angle of 8-15 degrees relative to a vertical line, and the width of the oblique slits is 0.5-2 mm.
9. The leveling device with the rapid ranging function according to claim 8, wherein the leveling rod comprises a rod body (35), digital scales (36), focusing lamps (37), handrails (38), round leveling bubbles (39) and a power supply (40), the digital scales (36) used for representing elevation are arranged on the front surface and the rear surface of the rod body (35) along the height direction, a plurality of focusing lamps (37) are uniformly arranged on the front surface and the rear surface of the rod body (35) along the height direction, the power supply (40) is arranged in the rod body (35) and used for supplying power for the plurality of focusing lamps (37), handrails (38) are arranged on the left side and the right side of the rod body (35), and the round leveling bubbles (39) are further arranged on one side of the rod body (35).
10. The method for using the leveling device with the rapid ranging function according to claim 9, wherein the method comprises the following steps: Positioning the leveling instrument and the leveling rod according to the measurement standard requirement, fixedly mounting the leveling instrument on a tripod and assisting in leveling, wherein the leveling rod is kept vertical; step two, turning on a focusing lamp (37) of the leveling rod; step three, fixedly mounting the focusing plate (29) on an objective lens; step four, primarily aiming at a leveling rod in front of the level, and then fine-adjusting to accurately aim the level at the leveling rod in front of the level; Turning the knob (16) to enable the focusing lamp (37) on the leveling rod in front of the leveling instrument to be clearly seen through the leveling instrument; and step six, directly reading the distance between the level and the leveling rod in front of the level through the distance reading dial (24).

Description

Leveling device with rapid ranging function and application method thereof Technical Field The invention relates to the technical field of engineering measurement, in particular to a leveling device with a rapid ranging function and a use method thereof. Background In the field of engineering measurement, leveling instruments are important instruments for measuring elevation, and have irreplaceable functions. In the use process of the level, in order to weaken or eliminate main system errors and reduce the influence of atmospheric refraction, obvious requirements are generally required on front-rear line-of-sight differences. As specified in engineering measurement standards (GB 50026-2020), the front-rear visual distance difference of the second level is not more than 1.0m, the front-rear visual distance difference of the third level is not more than 3.0m, and the front-rear visual distance difference of the fourth level is not more than 5.0m. The front and back vision distance is usually obtained by reading the numbers on the leveling staff corresponding to the upper wire and the lower wire of the cross wire observed by the leveling instrument, and because each measuring station needs to additionally read four more numbers, namely the upper wire and the lower wire of the front ruler and the upper wire and the lower wire of the rear ruler, and the calculation affects the measuring efficiency. Disclosure of Invention The invention aims to provide a leveling device with a rapid ranging function and a use method thereof, so as to solve the technical problems in the background technology. In order to achieve the above purpose, the technical scheme of the invention is as follows: The leveling instrument comprises a leveling instrument and a leveling rod, wherein the leveling instrument comprises a focusing assembly with a driving shaft, focusing of the leveling instrument is achieved through rotation of the driving shaft, the leveling instrument further comprises a distance reading dial and a gear transmission assembly, the distance reading dial is arranged on the leveling instrument, a power input end and a power output end of the gear transmission assembly are respectively connected with the driving shaft and the distance reading dial, when the driving shaft rotates, the driving shaft drives the distance reading dial to rotate through the gear transmission assembly, and when the leveling instrument completes focusing through rotation of the driving shaft, the distance between the leveling instrument and the leveling rod in front of the leveling instrument can be directly read through the distance reading dial. The leveling instrument further comprises a leveling instrument body and a pair of concave lenses, wherein the leveling instrument body is of a shell structure penetrating through the leveling instrument body in the front-back direction, the pair of concave lenses are slidably installed inside the leveling instrument body, the focusing assembly further comprises a rack, a first cylindrical gear and a knob, the rack is fixedly connected to the right end of the outer wall of the pair of concave lenses, the first cylindrical gear is meshed with the rack and can drive the rack to drive the pair of concave lenses to move forwards and backwards, the first cylindrical gear is fixedly connected to one end of a driving shaft in a coaxial mode, the driving shaft penetrates through and is rotatably connected with the right side wall of the leveling instrument body, and the other end of the driving shaft is fixedly connected with the knob in a coaxial mode. The gear transmission assembly comprises a cylindrical gear II, a cylindrical gear III, a cylindrical gear IV, a cylindrical gear V, a connecting shaft I, a connecting shaft II and a connecting shaft III, wherein the cylindrical gear II is coaxially and fixedly connected to a driving shaft, the cylindrical gear II, the cylindrical gear III, the cylindrical gear IV and the cylindrical gear V are sequentially meshed, the cylindrical gear III, the cylindrical gear IV and the cylindrical gear V are respectively and rotatably arranged on the inner wall of the right side of the level body through the connecting shaft I, the connecting shaft II and the connecting shaft III, the distance reading dial is disc-shaped and is coaxially and fixedly arranged on the cylindrical gear V, a strip-shaped hole penetrating through the inner cavity of the level body is formed in the top end of the level body, and the upper portion of the distance reading dial penetrates through the strip-shaped hole and exposes distance scales arranged on the strip-shaped hole. Furthermore, the leveling device further comprises a pointer and a transparent shield, wherein the tail end of the pointer is fixedly connected to the middle part of the right side wall of the strip-shaped hole, the tip end of the pointer vertically extends out of the strip-shaped hole upwards, the distance scale is arranged a