Horizontal measuring instrument

Abstract

The utility model discloses a horizontal measuring instrument, which relates to the field of horizontal measuring instruments and comprises a bottom plate. A fixing sleeve is fixedly mounted on the bottom plate through a support, a plurality of lifting cylinders are slidably mounted in the fixing sleeve, a lifting seat is fixedly mounted on the lifting cylinders, a ball groove is formed in the lifting seat, a ball sleeve is movably mounted in the ball groove, a swing rod is fixedly mounted in the ball sleeve, and a placement plate is mounted at the top of the swing rod. A horizontal measuring instrument body is placed on the placing plate, and a balancing weight is fixedly arranged at the bottom of the oscillating rod, so that the problems that when the horizontal angle of an existing horizontal measuring instrument needs to be adjusted in the measuring process, a user needs to rotate the horizontal measuring instrument for adjustment mostly, and the operation is inconvenient are effectively solved. The technical problems that the final measurement result is affected due to the amplitude error problem of horizontal fluctuation generated in the adjustment process cannot be avoided in a manual adjustment mode, and the height of an existing horizontal measurement instrument is inconvenient to adjust and the application range is small are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of level measuring instrument, concretely is a kind of level measuring instrument. BACKGROUND

[0002] Level measuring instrument is also called level instrument, and the level instrument is the instrument for establishing horizontal line of sight to measure the height difference between two points on the ground.The principle is to measure the height difference between ground points according to the principle of level measurement.The main components include telescope, tube level, vertical shaft, base, foot screw.The level measuring instrument is divided into micro-inclination level, automatic leveling level, laser level and digital level according to structure, and divided into precision level and ordinary level according to accuracy.The level measuring instrument is mostly used in construction engineering, and various orientation, ranging, angle measurement, height measurement, mapping and photographic surveying instruments are needed in the planning and design, construction and management stages of engineering construction.

[0003] However, if the horizontal angle needs to be adjusted during the measurement process of the existing level measuring instrument, the user mostly needs to rotate the level measuring instrument for adjustment, and the manual adjustment method cannot avoid the problem of amplitude error of horizontal fluctuation in the adjustment process, thereby affecting the final measurement result, and the height of the existing level measuring instrument is not convenient to adjust, and the applicable range is small. CONTENT OF THE UTILITY MODEL

[0004] In view of the deficiencies of the prior art, the utility model provides a level measuring instrument, which solves the technical problems proposed in the above background art.

[0005] To achieve the above purpose, the utility model realizes the following technical scheme: a level measuring instrument, comprising a bottom plate; a fixed sleeve is fixedly installed on the bottom plate through a support; a plurality of lifting cylinders are slidingly installed in the fixed sleeve; a plurality of lifting seats are fixedly installed on the plurality of lifting cylinders; a ball groove is formed in the lifting seat; a ball sleeve is movably installed in the ball groove; a swing rod is fixedly installed in the ball sleeve; a placing plate is installed at the top of the swing rod; a level measuring instrument body is placed on the placing plate; a counterweight is fixedly arranged at the bottom of the swing rod; and a fixing assembly for fixing the ball sleeve is installed in the lifting seat.

[0006] Preferably, the fixing assembly comprises a pair of clamping plates, a sliding opening is formed in the lifting seat, a pair of worms are rotatably connected to the two sides of the lifting seat, one end of the pair of worms extends into the sliding opening, and the pair of clamping plates are rotatably installed on the pair of worms and slidingly installed in the sliding opening.

[0007] Preferably, a pair of worm gears meshing with the pair of worms are rotatably installed on the two sides of the lifting seat, the pair of worm gears are connected by a rotating rod, and a second motor for driving one of the worm gears to rotate is fixedly installed on the lifting seat.

[0008] Preferably, a plurality of threaded rods are rotatably installed in the lifting seat, a plurality of lifting barrels are screwed on the threaded rods, sliding grooves are formed in the inner walls of the lifting barrels, and sliding blocks are fixedly arranged on the lifting barrels and slidingly installed in the sliding grooves.

[0009] Preferably, the bottom of the fixing sleeve is provided with a first motor for driving the threaded rod to rotate.

[0010] Beneficial effects

[0011] The horizontal measuring instrument has the following beneficial effects:

[0012] 1. The device can be placed at a position to be measured by the bottom plate, the fixing sleeve can be installed by the bracket, the threaded rod can be installed by the fixing sleeve, the lifting barrel can be lifted by rotating the threaded rod, the lifting seat can be lifted, the ball sleeve, the swing rod, the placement plate and the horizontal measuring instrument body can be lifted together, the height of the horizontal measuring instrument can be adjusted, the application range of the horizontal measuring instrument is expanded, the swing rod can be always vertically downward under the action of the gravity of the counterweight by installing the counterweight, the ball sleeve can rotate in the ball groove during leveling, automatic leveling can be realized, the fixed assembly can be installed, the leveled ball sleeve can be fixed, the leveling process does not need manual operation, the amplitude error problem of the horizontal fluctuation during adjustment is avoided, and the final measurement result is not affected.

[0013] 2. One worm gear can be rotated by starting the second motor, the rotating rod and another worm gear can be rotated, one pair of worm gears can be rotated by installing the pair of worm gears, the ball sleeve can be fixed by moving the pair of clamping plates, and the pair of clamping plates can slide in the sliding opening, so that the ball sleeve is fixed. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a front view of the internal structure of the utility model;

[0015] Figure 2 It is a front view of the internal structure of the utility model; Figure 1 It is a sectional view of A-A.

[0016] In the figure: 1, bottom plate; 2, bracket; 3, fixing sleeve; 4, threaded rod; 5, lifting barrel; 6, sliding block; 7, sliding groove; 8, ball sleeve; 9, lifting seat; 10, sliding opening; 11, clamping plate; 12, worm gear; 13, placement plate; 14, horizontal measuring instrument body; 15, swing rod; 16, counterweight; 17, first motor; 18, ball groove; 19, worm gear; 20, rotating rod; 21, second motor. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. In this article, the terms "upper", "lower", and other directional terms are used with reference to the orientation of the drawings. Figure 1

[0018] Please refer to Figures 1-2 The utility model provides a technical scheme: a horizontal measuring instrument, including the bottom plate 1, the fixed sleeve 3 is fixedly installed on the bottom plate 1 through the support 2, a plurality of lifting cylinders 5 are slidably installed in the fixed sleeve 3, the lifting seat 9 is fixedly installed on a plurality of lifting cylinders 5, the ball groove 18 is formed in the lifting seat 9, the ball sleeve 8 is movably installed in the ball groove 18, the swing rod 15 is fixedly installed in the ball sleeve 8, the placing plate 13 is installed at the top of the swing rod 15, the horizontal measuring instrument body 14 is placed on the placing plate 13, the counterweight 16 is fixedly arranged at the bottom of the swing rod 15, and the fixing assembly for fixing the ball sleeve 8 is installed in the lifting seat 9.

[0019] By installing the bottom plate 1, the device can be placed in the position to be measured, by installing the support 2, the fixed sleeve 3 can be installed, by installing the fixed sleeve 3, the threaded rod 4 can be installed, by installing the threaded rod 4, rotating the threaded rod 4 can drive the lifting cylinder 5 to lift, so as to drive the lifting seat 9 to lift, so as to drive the ball sleeve 8, the swing rod 15, the placing plate 13 and the horizontal measuring instrument body 14 to lift together, to adjust the height of the horizontal measuring instrument, so as to expand the application range of the horizontal measuring instrument, by installing the counterweight 16, the swing rod 15 can be always vertically downward under the action of the gravity of the counterweight 16, by installing the ball sleeve 8, the ball sleeve 8 can rotate in the ball groove 18 in the process of leveling, so as to realize automatic leveling, by installing the fixing assembly, the ball sleeve 8 after leveling can be fixed, so that the leveling process does not need manual operation, effectively avoiding the amplitude error problem of horizontal fluctuation in the adjustment process, so as to avoid affecting the final measurement result.

[0020] Further, the fixing assembly includes a pair of clamping plates 11, the sliding opening 10 is formed in the lifting seat 9, a pair of worms 19 are screwed on the two sides of the lifting seat 9, one end of the pair of worms 19 extends into the sliding opening 10, and the pair of clamping plates 11 are rotatably installed on the pair of worms 19 and slidably installed in the sliding opening 10.

[0021] By installing the pair of clamping plates 11, the ball sleeve 8 can be fixed by moving the pair of clamping plates 11, by forming the sliding opening 10, the pair of clamping plates 11 can slide in the sliding opening 10, so as to facilitate fixing the ball sleeve 8, by installing the pair of worms 19, the pair of worms 19 can rotate to drive the pair of clamping plates 11 to move.

[0022] ​Further, the lifting seat 9 is rotatably installed with a pair of worm gears 12 engaged with a pair of worm gears 19, and the pair of worm gears 12 are connected through a rotating rod 20; and the lifting seat 9 is fixedly installed with a second motor 21 for driving one worm gear 12 to rotate.

[0023] By installing the second motor 21, starting the second motor 21 can drive one worm gear 12 to rotate, thereby driving the rotating rod 20 and the other worm gear 12 to rotate; and by installing the pair of worm gears 12, the rotation of the pair of worm gears 12 can drive the pair of worm gears 19 to rotate.

[0024] Further, a plurality of threaded rods 4 are rotatably installed in the lifting seat 9; the plurality of lifting cylinders 5 are screwed on the plurality of threaded rods 4; the plurality of lifting cylinders 5 are provided with sliding grooves 7 on inner walls; and the plurality of lifting cylinders 5 are fixedly provided with sliding blocks 6 slidably installed in the sliding grooves 7.

[0025] By installing the threaded rods 4, the rotation of the threaded rods 4 can drive the lifting cylinders 5 to lift, thereby driving the sliding blocks 6 to slide in the sliding grooves 7; and by providing the sliding grooves 7, the sliding blocks 6 can slide along the sliding grooves 7, so as to avoid the rotation of the lifting cylinders 5 during lifting.

[0026] Further, the fixed sleeve 3 is installed at the bottom with a first motor 17 for driving the threaded rods 4 to rotate.

[0027] By installing the first motor 17, starting the first motor 17 can drive the threaded rods 4 to rotate.

[0028] By the person skilled in the art, all electrical components in the case are connected through wires with the power supply adapted thereto, and appropriate controllers should be selected according to the actual situation to meet the control requirements; the specific connection and control sequence are completed by referring to the working principle and the working sequence of each electrical component in the following description; the detailed connection means is the commonly known technology in the art; the working principle and process are mainly introduced below, and the electrical control is not described.

[0029] The working principle and use process of the utility model are as follows: in use, the horizontal measuring instrument is placed at the position to be measured; the height of the horizontal measuring instrument is adjusted according to the requirement; the first motor 17 is started to drive the threaded rods 4 to rotate, thereby driving the lifting cylinders 5 to lift, driving the lifting seat 9 to lift, and further driving the ball sleeve 8, the swing rod 15, the placing plate 13 and the horizontal measuring instrument body 14 to lift together until the appropriate position; after the adjustment is completed, the swing rod 15 is stable and does not move, and then the leveling is completed; after the leveling is completed, the second motor 21 is started to drive one worm gear 12 to rotate, thereby driving the rotating rod 20 to rotate to drive the other worm gear 12 to rotate; the worm gears 12 and the worm gears 19 are engaged to drive the worm gears 19 to move, thereby driving the clamping plates 11 to move, so as to fix the position of the ball sleeve 8; and then the horizontal measuring instrument body 14 is started to measure.

[0030] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A level measuring instrument, characterized in that, The utility model relates to a horizontal surveying instrument fixing device, including bottom plate (1), the bottom plate (1) is fixedly installed with fixed sleeve (3) through support (2), a plurality of lifting cylinder (5) are slidably installed in fixed sleeve (3), a plurality of lifting cylinder (5) are fixedly installed with lifting seat (9), the ball groove (18) is seted up in lifting seat (9), ball sleeve (8) is movably installed in ball groove (18), swing rod (15) is fixedly installed in ball sleeve (8), swing rod (15) top is installed with placing plate (13), horizontal surveying instrument body (14) is placed on placing plate (13), counterweight (16) is fixedly arranged at swing rod (15) bottom, the fixing assembly for fixing ball sleeve (8) is installed in lifting seat (9).

2. A level according to claim 1, wherein, The fixing assembly includes a pair of clamping plates (11), the lifting seat (9) is provided with a sliding port (10), a pair of worm gears (19) are rotatably connected to the two sides of the lifting seat (9), one end of the pair of worm gears (19) extends into the sliding port (10), and a pair of clamping plates (11) are rotatably connected to the pair of worm gears (19), and a pair of clamping plates (11) are slidably installed in the sliding port (10).

3. A level according to claim 2, wherein, A pair of worm gears (12) are rotatably connected to the two sides of the lifting seat (9) and meshed with the pair of worm gears (19), and a second motor (21) is fixedly installed on the lifting seat (9) for driving one of the worm gears (12) to rotate.

4. The level according to claim 1, wherein, A plurality of threaded rods (4) are rotatably installed in the lifting seat (9), and a plurality of lifting cylinders (5) are rotatably connected to the threaded rods (4), a plurality of sliding grooves (7) are formed in the inner walls of the lifting cylinders (5), and a plurality of sliding blocks (6) are fixedly arranged on the lifting cylinders (5) and slidably installed in the sliding grooves (7).

5. A level according to claim 4, wherein, The bottom of the fixed sleeve (3) is provided with a first motor (17) for driving the threaded rods (4) to rotate.

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