CN217058795U

CN217058795U - High-precision level

Info

Publication number: CN217058795U
Application number: CN202220770957.4U
Authority: CN
Inventors: 张振华
Original assignee: Zhongzi Huayuan Beijing Consulting Co ltd
Current assignee: Zhongzi Huayuan Beijing Consulting Co ltd
Priority date: 2022-04-02
Filing date: 2022-04-02
Publication date: 2022-07-26
Anticipated expiration: 2032-04-02

Abstract

The application discloses high accuracy surveyor's level relates to surveyor's level technical field, and its technical scheme includes: the base and locate the surveyor's level body of base upper end still including locating adjusting part on the base, adjusting part is including just transferring parts and fine setting part, just transfer parts and locate the lower extreme of base is right the height of base is just transferred, fine setting part is located the upper end of base, fine setting part includes end plate and drive the driving piece of end plate vertical displacement, the surveyor's level body rotates to be connected the end plate upper end, this application when using, can improve the accuracy nature to surveyor's level body altitude mixture control.

Description

High-precision level

Technical Field

The application relates to the technical field of levels, in particular to a high-precision level.

Background

The level is an instrument for establishing a horizontal sight line to measure the height difference between two points on the ground. The principle is that the height difference between ground points is measured according to the leveling principle, main components are hopeful to be a telescope, a pipe level (or a compensator), a vertical shaft, a base and a foot screw, and the leveling instrument is divided into a micro-inclination leveling instrument, an automatic leveling instrument, a laser leveling instrument and a digital leveling instrument (also called as an electronic leveling instrument) according to the structure, and is divided into a precision leveling instrument and a common leveling instrument according to the precision.

Current patent application number is 201720739767.5's chinese patent, has proposed and has disclosed a surveyor's level for building engineering, the on-line screen storage device comprises a base, the top swing joint of base has the rotation axis, the top of rotation axis is provided with the surveyor's level body, the bottom of base is provided with three telescopic link, and three telescopic link is annular evenly distributed about the base, the bottom of telescopic link is provided with the support, and the bottom of telescopic link extends to the inside of support, through the telescopic link, drives the dead lever, drives the gyro wheel through the dead lever and upwards slides at the inner wall of spout, drives the extension spring when the telescopic link upwards removes, when the telescopic link is adjusted suitable height, blocks the kelly in the second draw-in groove to it is fixed to make the telescopic link.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: realize the regulation to the surveyor's level height through the length of the telescopic link of adjusting the bottom, during the regulation, need the manual work to squat down and adjust, when the manual work needs just measure the surveyor's level, probably there is certain high error.

SUMMERY OF THE UTILITY MODEL

In order to improve the accuracy nature of adjusting the spirit level height, this application provides a high accuracy spirit level.

The application provides a high accuracy surveyor's level adopts following technical scheme:

the utility model provides a high accuracy surveyor's level, includes the base and locates the surveyor's level body of base upper end, still including locating adjusting part on the base, adjusting part is including just transferring part and fine setting part, just transfer the part and locate the lower extreme of base is right the height of base is just transferred, fine setting part is located the upper end of base, fine setting part includes end plate and drive the driving piece of end plate vertical displacement, the surveyor's level body rotates to be connected the end plate upper end.

Through adopting above-mentioned technical scheme, the setting of just transferring the part can be tentatively adjusted the height of spirit level body at the lower extreme of base, and fine setting part setting is in the upper end of base, just transferring the height of spirit level body, adjusts the spirit level to suitable high range, then finely tunes through fine setting driving piece drive end plate vertical migration, makes the high more accurate of spirit level.

Optionally, the driving piece includes drive spare part and removes spare part, it includes threaded rod, inner tube and urceolus to remove spare part, the threaded rod rotate connect in on the base just the threaded rod is vertical to run through the base, the inner tube and the inside of urceolus is the cavity setting, the one end fixed connection of urceolus is in on the base, inner tube sliding connection in the urceolus is inboard, just the inner tube cover is established the outside of threaded rod, the threaded rod with inner tube threaded connection, the inner tube with set up the restriction between the urceolus inner tube pivoted spacing spare part, drive spare part locates the base is kept away from end plate one side is used for driving the threaded rod and rotates.

Through adopting above-mentioned technical scheme, drive spare part drive threaded rod rotates, and under spacing spare part's effect, the threaded rod rotates and drives the inner tube and slide along the length direction of urceolus in the inboard of urceolus, realizes the vertical displacement of end plate, and then realizes the fine setting to the surveyor's level body height.

Optionally, the limiting part comprises a strip block arranged on the outer side of the inner barrel, the inner side of the outer barrel is provided with a strip groove consistent with the length direction of the outer barrel, and the strip block is slidably connected in the strip groove.

By adopting the technical scheme, the arranged strip blocks slide along the length direction of the strip grooves, so that the inner cylinder is limited to rotate on the inner side of the outer cylinder.

Optionally, the drive spare part includes worm wheel, worm and handle, the worm wheel is located the base is kept away from end plate one side, the worm wheel with the coaxial fixed connection of threaded rod, the worm rotate connect in the base is kept away from end plate one side just the worm with the worm wheel meshes mutually, handle fixed connection is in a tip of worm.

By adopting the technical scheme, the handle is rotated, the handle drives the worm to rotate, and the worm drives the worm wheel to rotate, so that the threaded rod rotates.

Optionally, the handle is coated with a frosted layer.

Through adopting above-mentioned technical scheme, the frosting that sets up can increase the frictional force of staff and handle contact surface to the manual drive handle that can be convenient for rotates.

Optionally, the primary adjusting part includes first bracing piece, second bracing piece and locking piece, first bracing piece is close to a tip of end plate articulate in the lower terminal surface of end plate, the spout has been seted up to the inside of first bracing piece, the extending direction of spout with the length direction of first bracing piece is unanimous, second bracing piece sliding connection in the first bracing piece, first bracing piece with the second bracing piece passes through the locking piece locking.

By adopting the technical scheme, during initial adjustment, the second support rod slides in the first support rod to the preset position, so that the locking piece fixes the second support rod and the first support rod.

Optionally, the locking piece includes a screw rod and a nut, a through hole has been opened on the first support rod and the second support rod, the screw rod passes through the through hole, and both ends of the screw rod are connected with the nut through screw threads, just the nut with the surface looks butt of first support rod.

By adopting the technical scheme, the nuts are rotated at the two end parts of the screw rod, so that the nuts are abutted against the surface of the first supporting rod, and the first supporting rod and the second supporting rod are locked.

Optionally, an elastic washer is disposed between the nut and the first support rod.

Through adopting above-mentioned technical scheme, the surface of first bracing piece can be protected to the elastic washer of setting, reduces the damage that causes first bracing piece terminal surface at swivel nut in-process.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the water level comprises a threaded rod, an inner cylinder, an outer cylinder, a worm wheel, a worm and a handle, wherein the handle is rotated to drive the worm to rotate, and the worm drives the worm wheel to rotate, so that the threaded rod rotates;

2. when the first support rod, the second support rod, the screw rod and the nut are arranged, the second support rod slides in the first support rod to a preset position during initial adjustment, the screw rod penetrates through the through hole, the nuts are rotated at two end parts of the screw rod, the nut is abutted to the surface of the first support rod, and the first support rod and the second support rod are locked.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a schematic diagram of an exploded view of moving parts of an embodiment of the present application;

fig. 3 is an enlarged schematic view of a portion a of fig. 1.

Reference numerals are as follows: 1. a base; 2. a level body; 3. a preliminary adjustment part; 31. a first support bar; 32. a second support bar; 321. a conical block; 33. a screw; 34. a nut; 35. an elastic washer; 4. a fine adjustment member; 40. a rotating shaft; 41. an end plate; 42. a drive member; 420. a long groove; 421. a threaded rod; 422. an inner barrel; 423. an outer cylinder; 424. a long bar block; 425. a worm gear; 426. a worm; 427. a handle.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

The embodiment of the application discloses high accuracy surveyor's level refers to fig. 1 and fig. 2, including base 1, surveyor's level body 2 and adjusting part, surveyor's level body 2 sets up on base 1, and adjusting part includes and just adjusts part 3 and fine setting part 4, and when using surveyor's level body 2, through just adjusting part 3 with surveyor's level body 2 altitude mixture control to suitable position, rethread fine setting part 4 finely tunes surveyor's level body 2, at first adjusts the high accuracy to the surveyor's level.

Referring to fig. 1 and 2, the primary adjustment member 3 is disposed at the lower end of the base 1, and the lower end of the base 1 is provided with at least three sets of primary adjustment members 3, the primary adjustment members 3 are annularly distributed on the lower end surface of the base 1, each primary adjustment member 3 includes a first support rod 31, a second support rod 32 and a locking member, one end of the first support rod 31 close to the end plate 41 is hinged to the lower end surface of the end plate 41, a sliding slot is formed in the first support rod 31, the second support rod 32 is slidably connected to the inside of the first support rod 31, penetrating through holes are formed in the first support rod 31 and the second support rod 32, the locking member includes a screw 33 and a nut 34, the screw 33 penetrates through the penetrating holes of the first support rod 31 and the second support rod 32, nuts 34 are threadedly connected to both ends of the screw 33, an elastic washer 35 and a rotating nut 34 are disposed between the first support rod 31 and the nut 34, so that the nut 34 presses the elastic washer 35 against the end surface of the first support rod 31.

When the initial adjustment is performed, the second support bar 32 may be slid to a predetermined position in the first support bar 31, and then the second support bar 32 may be locked to the first support bar 31 by the screw 33 and the nut 34, so as to achieve the initial adjustment of the height of the leveling instrument body 2.

In addition, referring to fig. 1 and 2, a tapered block 321 is fixed to an end of the second support bar 32 away from the first support bar 31, and a sharp part of the tapered block 321 may be slightly embedded in the ground, so that stability of the second support bar 32 erected on the ground may be increased.

Referring to fig. 2 and 3, the fine adjustment member 4 includes an end plate 41 and a driving member 42 for driving the end plate 41 to move vertically, the upper end of the end plate 41 is rotatably connected with a rotating shaft 40, and the level body 2 is fixedly connected to one end of the rotating shaft 40 far away from the end plate 41; the driving element 42 comprises a driving part and a moving part, the moving part comprises a threaded rod 421, an inner cylinder 422 and an outer cylinder 423, in this embodiment, the threaded rod 421 vertically penetrates through the end plate 41, the threaded rod 421 is rotatably connected with the end plate 41, the inner parts of the inner cylinder 422 and the outer cylinder 423 are both hollow, the inner cylinder 422 is arranged at the upper end of the end plate 41, the inner cylinder 422 and the threaded rod 421 are in threaded connection with one end of the end plate 41, the outer cylinder 423 is sleeved outside the inner cylinder 422, and one end of the outer cylinder 423 is fixedly connected to the end plate 41; the limiting part is arranged between the inner cylinder 422 and the outer cylinder 423, the long groove 420 is formed in the inner side of the outer cylinder 423, the length direction of the long groove 420 is consistent with that of the outer cylinder 423, the limiting part comprises a long block 424, the long block 424 is arranged on the outer side of the inner cylinder 422, the long block 424 is connected to the inside of the long groove 420 in a sliding mode, and the long block 424 can limit the inner cylinder 422 to rotate on the inner side of the outer cylinder 423.

Referring to fig. 2 and 3, the driving parts include a worm wheel 425, a worm 426 and a handle 427, in this embodiment, the worm wheel 425 is disposed on the lower end surface of the base 1, the worm 426 is rotatably connected to the lower end surface of the base 1, the worm wheel 425 is coaxially connected to one end of the threaded rod 421, the worm 426 is engaged with the worm wheel 425, the handle 427 is in a butterfly shape, the handle 427 is fixedly connected to one end of the worm 426, and the outer surface of the handle 427 is coated with a frosted layer.

The handle 427 is manually rotated to rotate the worm 426, the worm 426 drives the worm wheel 425 to rotate, the worm wheel 425 drives the threaded rod 421 to rotate, and the threaded rod 421 rotates to drive the inner cylinder 422 to slide along the length direction of the long-strip groove 420, so that the height of the level body 2 is finely adjusted.

The implementation principle of the high-precision level gauge provided by the embodiment of the application is as follows: when using surveyor's level body 2, make conical block 321 insert ground, slide second bracing piece 32 to predetermined position in first bracing piece 31, then lock second bracing piece 32 on first bracing piece 31 through screw rod 33 and nut 34, realize the preliminary adjustment of surveyor's level body 2 height, then manual twist grip 427 makes worm 426 rotate, worm 426 drives worm wheel 425 and rotates, worm wheel 425 drives threaded rod 421 again and rotates, threaded rod 421 rotates and drives inner tube 422 and slide along the length direction of rectangular groove 420, the realization is to the fine setting of surveyor's level body 2 height, thereby can realize adjusting the high accuracy of surveyor's level body 2.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a high accuracy surveyor's level, includes base (1) and locates surveyor's level body (2) of base (1) upper end, its characterized in that: including locating adjusting part on base (1), adjusting part is including just transferring part (3) and fine setting part (4), just transfer part (3) and locate the lower extreme of base (1) is right the height of base (1) is just transferred, fine setting part (4) are located the upper end of base (1), fine setting part (4) are including end plate (41) and drive driving piece (42) of end plate (41) vertical displacement, spirit level body (2) rotate to be connected end plate (41) upper end.

2. A high precision level according to claim 1, wherein: the driving part (42) comprises a driving part and a moving part, the moving part comprises a threaded rod (421), an inner cylinder (422) and an outer cylinder (423), the threaded rod (421) is rotatably connected to the base (1) and the threaded rod (421) vertically penetrates through the base (1), the inner cylinder (422) and the outer cylinder (423) are both hollow, one end of the outer cylinder (423) is fixedly connected to the base (1), the inner cylinder (422) is connected to the inner side of the outer cylinder (423) in a sliding way, the inner cylinder (422) is sleeved on the outer side of the threaded rod (421), the threaded rod (421) is in threaded connection with the inner cylinder (422), a limiting part for limiting the rotation of the inner cylinder (422) is arranged between the inner cylinder (422) and the outer cylinder (423), the driving parts are arranged on one side, away from the end plate (41), of the base (1) and used for driving the threaded rod (421) to rotate.

3. A high precision level according to claim 2, wherein: the limiting part comprises a long block (424) arranged on the outer side of an inner cylinder (422), a long groove (420) which is consistent with the outer cylinder (423) in the length direction is formed in the inner side of the outer cylinder (423), and the long block (424) is connected in the long groove (420) in a sliding mode.

4. A high accuracy level as defined in claim 2, wherein: the driving part comprises a worm wheel (425), a worm (426) and a handle (427), the worm wheel (425) is arranged on one side, far away from the end plate (41), of the base (1), the worm wheel (425) is coaxially and fixedly connected with the threaded rod (421), the worm (426) is rotatably connected to one side, far away from the end plate (41), of the base (1), the worm (426) is meshed with the worm wheel (425), and the handle (427) is fixedly connected to one end of the worm (426).

5. A high accuracy level as defined in claim 4, wherein: the handle (427) is coated with a frosted layer.

6. A high accuracy level as defined in claim 1, wherein: first accent part (3) are including first bracing piece (31), second bracing piece (32) and locking piece, first bracing piece (31) are close to an end of end plate (41) articulate in the lower terminal surface of end plate (41), the spout has been seted up to the inside of first bracing piece (31), the extending direction of spout with the length direction of first bracing piece (31) is unanimous, second bracing piece (32) sliding connection in first bracing piece (31), first bracing piece (31) with second bracing piece (32) are through the locking piece locking.

7. A high accuracy level as defined in claim 6, wherein: the locking piece includes screw rod (33) and nut (34), first bracing piece (31) and all seted up the perforation on second bracing piece (32), screw rod (33) pass the perforation, just the equal threaded connection in both ends of screw rod (33) has nut (34), just nut (34) with the surperficial looks butt of first bracing piece (31).

8. A high precision level according to claim 7 wherein: an elastic washer (35) is arranged between the nut (34) and the first supporting rod (31).