CN216344932U

CN216344932U - High-precision optical level convenient to adjust

Info

Publication number: CN216344932U
Application number: CN202122749758.3U
Authority: CN
Inventors: 赵刘贤; 马啸; 陈伦; 包哲晓; 黄坚强
Original assignee: Hangzhou Kuayuan Surveying And Mapping Co ltd
Current assignee: Hangzhou Kuayuan Surveying And Mapping Co ltd
Priority date: 2021-11-11
Filing date: 2021-11-11
Publication date: 2022-04-19
Anticipated expiration: 2031-11-11

Abstract

The utility model belongs to the technical field of engineering measurement, and provides a high-precision optical level convenient to adjust, which comprises: the bottom of the leveling instrument body is fixedly connected with a connecting rod, the bottom of the connecting rod movably penetrates through an adjusting table, and the bottom edge part of the adjusting table is annularly and rotatably connected with a plurality of supporting legs at equal intervals; the anti-reverse lifting mechanism is connected to the bottom of the telescopic connecting rod and used for adjusting the use height of the connecting rod, and has a function of preventing the reduction of the rotation height in the adjusting process; and the mistaken collision rotating mechanism is arranged at the active rotating end of the anti-reverse lifting mechanism and is used for manually and rotationally driving the anti-reverse lifting mechanism to rotate and lift and has anti-collision rotating capability.

Description

High-precision optical level convenient to adjust

Technical Field

The utility model belongs to the technical field of engineering measurement, and particularly relates to a high-precision optical level convenient to adjust.

Background

The leveling instrument is an instrument for establishing a horizontal sight line to measure the height difference between two ground points, and the principle of the leveling instrument is to measure the height difference between the ground points according to the leveling principle. A high precision optical level is one of the levels whose primary function is to measure elevation and height.

Optical level is at the in-process that uses, in order to guarantee the flexibility of using, generally need set up corresponding regulation structure, adjust the use height of level as required, the mode that adopts manual rotation threaded rod goes on, because what adopt is that manual contact rotates, threaded connection goes up and down, often there is the careless problem of touchhing or after long-time the use, the emergence is finely tuned or the lift precision reduces, so be convenient for influence the accuracy of normal regulation level height, be unfavorable for high accuracy optical level and adjust the use.

SUMMERY OF THE UTILITY MODEL

It is an object of embodiments of the present invention to provide a high precision optical level that is easy to adjust, and aims to solve the above problems.

The utility model is thus achieved, a high precision optical level which is easy to adjust comprising: the bottom of the connecting rod is movably connected with an adjusting platform, the bottom edge part of the adjusting platform is annularly and rotatably connected with a plurality of supporting legs at equal intervals, the supporting legs are used for supporting the adjusting platform to be stably placed, and meanwhile, the stability of the leveling instrument body in use is kept, the bottom of the connecting rod is connected with an anti-inversion lifting mechanism which is used for adjusting the use height of the connecting rod, and the anti-inversion lifting mechanism has the function of preventing the rotation height from being reduced in the adjusting process; the anti-reverse lifting mechanism is characterized in that a mistaken-collision rotating mechanism is arranged at the active rotating end of the anti-reverse lifting mechanism and is used for manually rotating and driving the anti-reverse lifting mechanism to rotate and lift, and meanwhile, the anti-reverse lifting mechanism has anti-collision rotating capacity;

wherein, spirit level body fixed mounting is at the connecting rod top, then supports the regulation platform through a plurality of landing legs, keeps the stable of regulation platform to place, then bumps the lifting mechanism that the rotary mechanism drive was prevented reversing through manual rotatory mistake and goes up and down, the height of adjustment connecting rod, and then adjusts the use height of spirit level body, realizes the high accuracy altitude mixture control of spirit level body.

According to the high-precision optical level convenient to adjust, the first inclined teeth are controlled to rotate in a mode that the first sleeves are arranged at one ends of the first inclined teeth and are clamped and limited with the second sleeves, so that the first inclined teeth cannot be driven to rotate when a rotary table is collided, the height of a level body is not influenced, and good protection capability is improved;

through set up the gyration of cardboard rather than gomphosis restriction skewed tooth one at skewed tooth top, accuracy when the accurate improvement rotates skewed tooth one and drives the spirit level body and rises to through applying decurrent pressure to pressing the clamp plate, with skewed tooth one and cardboard separation, then under the effect of gravity, realize the quick descending of spirit level body, and then improve the precision and the convenience that this spirit level height was adjusted.

Drawings

Fig. 1 is a perspective view of a high-precision optical level for ease of adjustment.

Fig. 2 is a schematic front view of a high-precision optical level for easy adjustment.

FIG. 3 is a schematic side view of a high precision optical level for ease of adjustment.

Fig. 4 is an enlarged schematic structural diagram of a1 in fig. 1.

FIG. 5 is a schematic view of a miss-hit rotation mechanism of the high precision optical level for easy adjustment;

in the drawings: the level gauge comprises a level gauge body 10, an adjusting table 11, supporting legs 12, a connecting rod 13, a lifting rod 14, a mounting plate 15, a gear row 16, a second straight tooth 17, a first straight tooth 18, a rotating rod 19, a third straight tooth 20, a first helical tooth 21, a clamping plate 22, a pressing plate 23, a limiting plate 24, a fixing plate 25, a fixing rod 26, a mistaken touch rotating mechanism 27, a rotating disc 28, a first sleeve 29, a rotating shaft 30, a spring 31, a second sleeve 32, a rotating handle 33 and a rotating bolt 34.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Specific implementations of the present invention are described in detail below with reference to specific embodiments.

As shown in fig. 1 to 3, a structure diagram of a high-precision optical level that is convenient to adjust and provided by an embodiment of the present invention includes: the bottom of the level body 10 is fixedly connected with a connecting rod 13, the bottom of the connecting rod 13 movably penetrates through an adjusting table 11, the bottom edge of the adjusting table 11 is connected with a plurality of supporting legs 12 in an annular equal-interval rotating mode, the adjusting table 11 is supported by the supporting legs 12 to be stably placed, meanwhile, the stability of the level body 10 in use is kept, the bottom of the connecting rod 13 is connected with an anti-inversion lifting mechanism which is used for adjusting the use height of the connecting rod 13, and the anti-inversion lifting mechanism has a function of preventing the rotation height from being reduced in the adjusting process; the anti-reverse lifting mechanism is characterized in that a mistaken-collision rotating mechanism 27 is arranged at the active rotating end of the anti-reverse lifting mechanism, and the mistaken-collision rotating mechanism 27 is used for manually rotating and driving the anti-reverse lifting mechanism to rotate and lift and has anti-collision rotating capability;

wherein, spirit level body 10 fixed mounting is at connecting rod 13 top, then supports regulation platform 11 through a plurality of landing legs 12, keeps stable the placing of regulation platform 11, then bumps the elevating system that turns over to be prevented in the drive of rotary mechanism 27 through manual rotatory mistake and goes up and down, adjusts the height of connecting rod 13, and then adjusts the use height of spirit level body 10, realizes the high accuracy altitude mixture control of spirit level body 10.

Referring to fig. 4, in the embodiment of the present invention, the anti-reverse lifting mechanism includes a lifting rod 14 fixed at the bottom end of a connecting rod 13, a rod cap is fixedly installed at the bottom end of the lifting rod 14 for preventing the lifting rod 14 from falling off from the top of an adjusting table 11, a section of rack 16 is formed on a side wall of the lifting rod 14 along an axial direction, a straight tooth first 18 is engaged with the rack 16 close to one side of the bottom of the adjusting table 11, a rotating rod 19 is fixedly installed at the center of one side of the straight tooth first 18, a straight tooth second 17 is fixedly connected to an end portion of the rotating rod 19, a straight tooth third 20 is engaged with the top of the straight tooth second 17, a helical tooth first 21 is fixedly connected to one side of the straight tooth third 20 far from the straight tooth first 18 through the rotating rod 19, the other side of the helical tooth first 21 is fixedly connected to an anti-collision rotating mechanism 27 through the rotating rod 19, the mounting plate 15 with the top of the adjusting table 11 movably penetrates the mounting plate 19 between the anti-collision rotating mechanism 27 and the helical tooth first 21, the third straight tooth 20 and the first helical tooth 21 are fixed on the lower side of the adjusting platform 11 by the support of the mounting plate 15, and meanwhile, a rotating rod 19 between the second straight tooth 17 and the first straight tooth 18 is rotatably sleeved with a rotating support rod (not shown in the figure) with the top fixed on the bottom of the adjusting platform 11, and the purpose that the anti-reverse lifting mechanism is stably arranged at the bottom of the adjusting platform 11 to operate is achieved by the rotating support rod and the mounting plate 15;

the top of the helical tooth I21 is connected with a clamping plate 22 in an embedded manner, one end of the clamping plate 22, which is far away from the helical tooth I21, is connected with a sleeve, the sleeve is internally and rotatably connected with a fixed rod 26, one end of the fixed rod 26 is fixed on the mounting plate 15, one end of the sleeve, which is far away from the helical tooth I21, is fixedly connected with a pressing plate 23, when the clamping plate 22 ascends and rotates, the clamping plate 22 is embedded in a tooth groove of the clamping plate 22 under the action of gravity, the rotation of the clamping plate 22 is not influenced, the other end of the clamping plate 22 is lifted by applying downward pressure to the pressing plate 23, then the clamping plate 22 is separated from the helical tooth I21, the reverse limitation of the clamping plate 22 on the helical tooth I21 is lost, the top of the end, which is far away from the pressing plate 23, of the clamping plate 22 is rotatably connected with a limiting plate 24, the tail end of the limiting plate 24 is rotatably connected with a horizontal fixing plate 25 fixed on the mounting plate 15, and a certain downward pressure is applied to one end, which is far away from the pressing plate 23, by using the rotation limitation of the fixing plate 25, the holding clamping plate 22 can be always embedded with the tooth grooves of the first helical teeth 21 when the pressing plate 23 is not pressed downwards, namely the first helical teeth 21 are driven to rotate by rotating the mistaken touch rotating mechanism 27, then the clamping plate 22 at the top of the first helical teeth 21 is used for keeping the first helical teeth 21 to normally rotate to prevent rotation, and then the second straight teeth 17 are driven to rotate under the connection of the rotating rod 19 and the third straight teeth 20, so that the first straight teeth 18 are controlled to be meshed with the tooth rows 16, and the lifting rod 14 is driven to upwards adjust the height of the level body 10;

referring to fig. 5, the mis-collision rotating mechanism 27 includes a first sleeve 29 fixed at an end of a rotating rod 19 on a first helical tooth 21, a rotating shaft 30 is fixedly connected inside the first sleeve 29 along an axis, a rotating bolt 34 is fixedly connected at a tail end of the rotating shaft 30, the rotating bolt 34 passes through a rotating disc 28 with a circular structure in a rotating manner, a rotating handle 33 convenient for rotating the rotating disc 28 is fixedly installed at one side of the outer portion of the rotating disc 28, a second sleeve 32 is fixedly installed on the rotating disc 28 corresponding to one side of the first sleeve 29, the first sleeve 29 and the second sleeve 32 are provided with clamping grooves in which the first sleeve 29 and the second sleeve 32 are clamped in a matching manner, and a spring 31 is sleeved on the rotating shaft 30 between the first sleeve 29 and the second sleeve 32, that is, if the first sleeve 29 is driven to rotate by rotating the rotating disc 28, the rotating disc 28 needs to be pushed to move towards the first sleeve 29, so that the first sleeve 29 is clamped with the second sleeve 32, then the rotating disc 28 is driven to rotate under the clamping restriction of the first sleeve 29 and the second sleeve 32, when the second sleeve 32 is separated from the first sleeve 29, the rotating turntable 28 cannot drive the rotating rod 19 to rotate, so that the first sleeve 29 cannot be rotated by mistake, and the lifting of the level body 10 is caused.

The utility model provides a high-precision optical level convenient to adjust in the above embodiment, when in use, the level body 10 is fixedly installed at the top end of the connecting rod 13, the adjusting platform 11 is stably supported and placed by the supporting leg 12 at the bottom, when the level body 10 needs to be adjusted in height, the second sleeve 32 is clamped with the first sleeve 29 by manually pressing the rotary disc 28, then the rotary handle 33 is rotated to drive the rotary rod 19 at the end part of the first helical tooth 21 to rotate, at this time, the rotary rod 19 rotates to drive the first helical tooth 21 to rotate, and under the rotating connection of the third straight tooth 20, the second straight tooth 17 and the first straight tooth 18, the lifting rod 14 is driven to lift upwards, when the first helical tooth 21 rotates, the clamping plate 22 at the top is embedded with the first helical tooth 21, the clamping plate 22 is prevented from reversing while the first helical tooth 21 is kept to rotate and lift up, the lifting of the level body 10 is precisely controlled, then when the level body 10 needs to be lowered, one end of the clamping plate 22 is separated from the first 21 tooth grooves of the helical teeth by pressing the pressing plate 23, and then the lifting rod 14 directly moves downwards under the action of gravity, so that the leveling instrument body 10 is rapidly lowered.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. High accuracy optical level convenient to adjust, its characterized in that, high accuracy optical level convenient to adjust includes: the bottom of the leveling instrument body is fixedly connected with a connecting rod, the bottom of the connecting rod movably penetrates through an adjusting table, and the bottom edge part of the adjusting table is annularly and rotatably connected with a plurality of supporting legs at equal intervals;

the anti-reverse lifting mechanism is connected to the bottom of the telescopic connecting rod and used for adjusting the use height of the connecting rod, and has a function of preventing the reduction of the rotation height in the adjusting process;

and the mistaken collision rotating mechanism is arranged at the active rotating end of the anti-reverse lifting mechanism and is used for manually and rotationally driving the anti-reverse lifting mechanism to rotate and lift and has anti-collision rotating capability.

2. The high-precision optical level convenient to adjust as claimed in claim 1, wherein the anti-reverse rotation lifting mechanism comprises a lifting rod fixed at the bottom end of the connecting rod, a section of tooth row is formed on one side wall of the lifting rod along the axial direction, a first straight tooth is meshed with the tooth row close to one side of the bottom of the adjusting platform, a rotating rod is fixedly installed at the center of one side of the first straight tooth, a second straight tooth is fixedly connected to the end of the rotating rod, a third straight tooth is meshed with the top of the second straight tooth, a first oblique tooth is fixedly connected to one side of the third straight tooth far away from the first straight tooth through the rotating rod, and the other side of the first oblique tooth is fixedly connected with the mistaken-collision rotating mechanism through the rotating rod.

3. A high precision optical level gauge convenient to adjust as claimed in claim 2 wherein the rotating rod between the mis-touch rotating mechanism and the first skewed tooth is movably passed through a mounting plate with a top fixed at the bottom of the adjusting platform, and the rotating rod between the second straight tooth and the first straight tooth is rotatably sleeved with a rotating support rod with a top fixed at the bottom of the adjusting platform.

4. A high precision optical level for ease of adjustment according to claim 2, wherein a rod cap is fixedly mounted to the bottom end of the lifting rod.

5. The adjustable optical level of claim 3, wherein the top of the first slanted tooth is connected with a snap-gauge in a snap-fit manner, the end of the snap-gauge away from the first slanted tooth is connected with a sleeve, the inside of the sleeve is rotatably connected with a fixing rod, one end of the fixing rod is fixed on the mounting plate, and the end of the sleeve away from the first slanted tooth is fixedly connected with the pressing plate.

6. A high precision optical level convenient to adjust as claimed in claim 5 wherein the top of the end of the clamping plate remote from the pressing plate is rotatably connected with a limiting plate, the end of the limiting plate is rotatably connected with a horizontal fixing plate fixed on the mounting plate.

7. The high-precision optical level convenient to adjust as claimed in claim 1, wherein the mis-touch rotating mechanism comprises a first sleeve fixed at the end of a first rotating rod of the helical gear, a rotating shaft is fixedly connected to the inside of the first sleeve along the axis, a rotating bolt is fixedly connected to the end of the rotating shaft, the rotating bolt rotates to pass through a rotating disc with a circular structure, a rotating handle convenient for rotating the rotating disc is fixedly installed at one side of the outside of the rotating disc, a second sleeve is fixedly installed on the rotating disc corresponding to one side of the first sleeve, clamping grooves for mutually matched clamping of the first sleeve and the second sleeve are formed in the first sleeve and the second sleeve, and a spring is sleeved on the rotating shaft between the first sleeve and the second sleeve.