CN215572907U

CN215572907U - Land surveying equipment for measuring levelness

Info

Publication number: CN215572907U
Application number: CN202122037481.1U
Authority: CN
Inventors: 程志华
Original assignee: Yunnan Tongxin Rongchuang Surveying And Mapping Co ltd
Current assignee: Yunnan Shangjia Technology Co.,Ltd.
Priority date: 2021-08-27
Filing date: 2021-08-27
Publication date: 2022-01-18
Anticipated expiration: 2031-08-27

Abstract

The utility model discloses land surveying equipment for measuring levelness, which belongs to the technical field of land surveying and comprises a bottom plate, wherein the bottom of the bottom plate is provided with a first connecting seat, the inner side of the first connecting seat is movably connected with a loop bar through a first pin shaft, the bottom of an inner cavity of the loop bar is slidably connected with a telescopic rod, the outer wall of the telescopic rod is fixedly connected on the inner side wall of the loop bar through a positioning bolt, the middle of the bottom of the inner cavity of the bottom plate is movably assembled with a second threaded rod through a first bearing, the bottom end of the second threaded rod is provided with a rotating disk, the outer wall of the second threaded rod is screwed with a threaded block, the left side and the right side of the outer wall of the threaded block are provided with second connecting seats, the inner side of each second connecting seat is movably connected with a connecting rod through a second pin shaft, so that the height adjustment of a level can be realized, and the base can stably move up and down, the practicality of the land survey equipment is improved.

Description

Land surveying equipment for measuring levelness

Technical Field

The utility model relates to the technical field of land survey measurement, in particular to land survey equipment for measuring levelness.

Background

The land surveying equipment is named as surveying delimitation for short, and is characterized by that according to the working requirements of land collection, levying, drawing, giving out, agricultural land transfer, land utilization planning and land development, arrangement and reclamation, the land application range, the boundary position and land utilization state can be defined on the spot, the land area can be calculated, and the scientific and accurate basic data can be provided for land use approval and land cadastral management of land resource administrative department, and the land area can be calculated, and the levelling instrument can be used for measuring the height difference between ground points according to the levelling principle, and can be used for establishing horizontal sight line and measuring the height difference between two ground points, and is a measuring tool using levelling instrument as measuring and reading element, and its internal surface longitudinal section is a circular arc surface with a certain curvature radius, and the glass tube of the levelling instrument is filled with liquid whose viscosity coefficient is small, like alcohol, ether and mixture etc. thereof, the part that does not have liquid is called the level bubble usually, there is certain relation between the radius of curvature of glass intraductal surface longitudinal section and the division value, can measure the gradient of being surveyed the plane according to this relation, current land surveying equipment, it is many that support the tripod and carry out altitude mixture control to the spirit level, and the tripod height-adjusting is limited, can't be to single altitude mixture control of spirit level, lead to the poor stability that the tripod supported easily, the practicality is relatively poor, and can't finely tune the measurement levelness to the spirit level, lead to surveying data inaccurate, cause the work efficiency of land surveying equipment poor, for this reason, we provide a land surveying equipment for measuring the levelness.

SUMMERY OF THE UTILITY MODEL

It is an object of the present invention to provide a land surveying arrangement for measuring levelness that solves the problems set out in the background art mentioned above.

In order to achieve the purpose, the utility model provides the following technical scheme: a land survey device for measuring levelness comprises a bottom plate, wherein the bottom of the bottom plate is provided with a first connecting seat, the inner side of the first connecting seat is movably connected with a loop bar through a first pin shaft, the bottom of an inner cavity of the loop bar is slidably connected with a telescopic rod, the outer wall of the telescopic rod is fixedly connected on the inner side wall of the loop bar through a positioning bolt, the middle of the bottom of the inner cavity of the bottom plate is movably assembled with a second threaded rod through a first bearing, the bottom end of the second threaded rod is provided with a rotating disc, the outer wall of the second threaded rod is screwed with a threaded block, the left side and the right side of the outer wall of the threaded block are provided with second connecting seats, the inner sides of the second connecting seats are movably connected with connecting rods through second pin shafts, one side wall of the loop bar is provided with a second chute, and the other end of each connecting rod is provided with a sliding block, the slider and the sliding assembly of second spout, the fixed fixing base that is equipped with in top of bottom plate, the middle cover of fixing base inner chamber is adorned outer barrel, the top of outer barrel is equipped with first threaded rod through the thread bush spiro union, the inner chamber after-fixing that the bottom of first threaded rod extends to outer barrel is equipped with the gag lever post, all be provided with first spout on the left and right sides lateral wall of outer barrel inner chamber, first spout and gag lever post sliding assembly, the equal spiro union in left and right sides of fixing base outer wall is equipped with the screw rod, and is two sets of the screw rod passes the fixing base and is equipped with the connecting block through second bearing activity, the fixed tight piece that is equipped with on one side lateral wall that the screw rod was kept away from to the connecting block, the top activity of first threaded rod is equipped with the surveying equipment body.

Preferably, the surveying equipment body comprises a base and a level gauge, a threaded interface is arranged at the center of the inner cavity of the base, inner thread sections are arranged on two sides of the inner side wall of the threaded connector, stabilizing blocks are arranged on the top of the base, adjusting screws are fixedly assembled on the tops of the three groups of stabilizing blocks, horizontal adjusting foot screws are screwed and assembled on the outer walls of the three groups of adjusting screws, the top of the adjusting screw is fixedly provided with a limiting block, the top of the limiting block is provided with a horizontal dial, the top of the horizontal dial is movably provided with a turntable, the top of the turntable is provided with a level gauge, the bottom of the front side wall of the level is provided with a level, the top of the right side wall of the level is provided with an objective lens, the top of surveyor's level left side wall is provided with the eyepiece, the bottom of surveyor's level right side wall and the below that is located objective are provided with operating panel.

Preferably, three groups all set up on the outer wall of loop bar with the screw of positioning bolt looks adaptation, three groups the equal fixed mounting in bottom of telescopic link has the supporting legs, the size of slider and the big or small looks adaptation of second spout.

Preferably, the bottom of the inner cavity of the bottom plate is provided with a groove matched with the first bearing, the left side and the right side of the fixing seat are provided with threaded holes matched with the threaded rods, and the inner diameter of the loop bar is larger than the outer diameter of the telescopic bar.

Preferably, the size of the first sliding groove is matched with the size of the limiting rod, and a mounting hole matched with the outer barrel is formed in the top of the inner cavity of the fixing seat.

Preferably, base, horizontal dial and carousel are circular structure, the internal diameter of hickey and the external diameter looks adaptation of first threaded rod, just through the internal thread section spiro union between base and the first threaded rod.

Preferably, the clamping blocks are in a semi-circular arc shape, and rubber anti-skid pads are arranged on the side wall of one side, away from the connecting block, of each clamping block.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model has reasonable structural design, drives the second threaded rod to rotate by rotating the rotating disc, enables the second threaded rod to rotate in the first bearing, is in threaded assembly with the second threaded rod through the threaded block, enables the second threaded rod to drive the threaded block to move up and down, thereby the threaded block drives the connecting rod to move, the inner connecting rod drives the sliding block to slide up and down in the second sliding chute, the opening and closing of three groups of sleeve rods can be realized, the effect of stable support of land survey equipment is improved, the stability of the survey equipment is increased, then the telescopic rod is in sliding connection through the sleeve rods, the supporting feet at the bottom of the telescopic rod are in contact with the ground, the height of the bottom plate is adjusted, the proper height is fixed through the positioning screw rod, the contact area between the supporting feet and the ground can be realized, the application range of the survey equipment is improved, and then the base internal thread interface at the bottom and the first threaded rod are in threaded assembly through the internal thread section through the leveling instrument, the installation and the disassembly of the level are convenient, the first threaded rod is driven to rotate by rotating the threaded sleeve, the first threaded rod is enabled to move along the height direction of the outer cylinder body, so that the limiting rod slides along the first chute to drive the surveying equipment body to carry out lifting adjustment, the height adjustment of the level can be realized, the base is enabled to stably move up and down, the practicability of the surveying equipment is improved, the horizontal position of the level is observed more accurately by the level on the level, the measurement data is more accurate, the movable position of the horizontal adjustment foot screw and the position of the horizontal adjustment foot screw are limited by the limiting block and the stabilizing block, the position of the horizontal adjustment foot screw cannot incline when the horizontal adjustment foot screw moves, when the horizontal adjustment foot screw and the adjustment screw at the corresponding positions are rotated to adjust the measurement levelness of the level, the levelness of measuring eyepiece and objective can be realized, the work efficiency of land survey equipment is improved, survey equipment's measuring effect is increased.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic diagram of the construction of the body of the surveying equipment of the present invention;

FIG. 3 is a schematic sectional view of the fixing base of the present invention;

fig. 4 is a schematic sectional structure view of the loop bar of the present invention.

In the figure: 1. a base plate; 2. a fixed seat; 3. a threaded sleeve; 4. a survey apparatus body; 401. a level gauge; 402. an eyepiece; 403. a level; 404. a turntable; 405. a limiting block; 406. a base; 407. adjusting the screw rod; 408. a threaded interface; 409. horizontally adjusting the foot screw; 410. a stabilizing block; 411. a horizontal dial; 412. an operation panel; 413. an objective lens; 5. a first threaded rod; 6. an outer cylinder; 7. a screw; 8. a first connecting seat; 9. a second threaded rod; 10. a thread block; 11. positioning the bolt; 12. rotating the disc; 13. a second connecting seat; 14. a second pin shaft; 15. a telescopic rod; 16. a loop bar; 17. a connecting rod; 18. a first pin shaft; 19. an internal thread section; 20. a first chute; 21. a clamping block; 22. a first bearing; 23. a limiting rod; 24. connecting blocks; 25. a second chute; 26. a slide block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the present invention provides a technical solution: a land survey device for measuring levelness comprises a bottom plate 1, wherein the bottom of the bottom plate 1 is provided with a first connecting seat 8, the inner sides of the first connecting seats 8 are movably connected with a loop bar 16 through a first pin shaft 18, the bottom of an inner cavity of the loop bar 16 is slidably connected with a telescopic rod 15, the outer wall of the telescopic rod 15 is fixedly connected to the inner side wall of the loop bar 16 through a positioning bolt 11, the middle of the bottom of the inner cavity of the bottom plate 1 is movably assembled with a second threaded rod 9 through a first bearing 22, the bottom end of the second threaded rod 9 is provided with a rotating disk 12, the outer wall of the second threaded rod 9 is screwed with a threaded block 10, the left side and the right side of the outer wall of the threaded block 10 are provided with second connecting seats 13, the inner sides of the second connecting seats 13 are movably connected with connecting rods 17 through second pin shafts 14, one side wall of the loop bar 16 is provided with second chutes 25, and the other ends of the connecting rods 17 are provided with sliders 26, slider 26 and 25 sliding assembly of second spout, the fixed fixing base 2 that is equipped with in top of bottom plate 1, the middle cover of 2 inner chambers of fixing base is adorned outer barrel 6, the top of outer barrel 6 is equipped with first threaded rod 5 through the 3 spiro union of thread bush, the fixed gag lever post 23 that is equipped with after the inner chamber of first threaded rod 5 bottom extends to outer barrel 6, all be provided with first spout 20 on the left and right sides lateral wall of outer barrel 6 inner chamber, first spout 20 and gag lever post 23 sliding assembly, the equal spiro union in the left and right sides of 2 outer walls of fixing base is equipped with screw rod 7, two sets of screw rods 7 pass fixing base 2 and are equipped with connecting block 24 through the second bearing activity, fixed being equipped with on the lateral wall of screw rod 7 is kept away from to connecting block 24 and press from tight piece 21, the top activity of first threaded rod 5 is equipped with surveys equipment body 4.

Referring to fig. 2, the surveying equipment body 4 includes a base 406 and a level 401, a threaded interface 408 is disposed at the center of an inner cavity of the base 406, inner threaded sections 19 are disposed on both sides of an inner side wall of the threaded interface 408, stabilizing blocks 410 are disposed on the top of the base 406, adjusting screws 407 are fixedly mounted on the tops of three groups of stabilizing blocks 410, horizontal adjusting foot screws 409 are screwed on outer walls of the three groups of adjusting screws 407, limiting blocks 405 are fixedly mounted on the tops of the adjusting screws 407, a horizontal dial 411 is disposed on the top of the limiting blocks 405, a turntable 404 is movably mounted on the top of the horizontal dial 411, the level 401 is disposed on the top of the turntable 404, a level 403 is disposed on the bottom of a front side wall of the level 401, an objective 413 is disposed on the top of a right side wall of the level 401, an eyepiece 402 is disposed on the top of a left side wall of the level 401, an operation panel 412 is disposed on the bottom of the right side wall of the level 401 and below the objective 413, the horizontal position of the level 401 is observed more accurately through the level 403 on the level 401, so that the measurement data is more accurate, the adjustment screw 407 and the horizontal adjustment foot screw 409 are screwed to adjust the measurement levelness of the level 401, and the stability of the measurement levelness of the level 401 can be kept good;

referring to fig. 1 and 4, the outer walls of the three sets of loop bars 16 are all provided with screw holes adapted to the positioning bolts 11, the bottom ends of the three sets of telescopic bars 15 are all fixedly provided with supporting legs, and the size of the sliding block 26 is adapted to the size of the second sliding chute 25, so that the supporting stability of the surveying equipment can be improved, and the stability of the surveying equipment during operation can be ensured;

referring to fig. 3, a groove adapted to the first bearing 22 is formed at the bottom of the inner cavity of the bottom plate 1, threaded holes adapted to the threaded rods 7 are formed at the left side and the right side of the fixing seat 2, and the inner diameter of the loop bar 16 is larger than the outer diameter of the telescopic bar 15;

referring to fig. 3, the size of the first sliding groove 20 is matched with the size of the limiting rod 23, and the top of the inner cavity of the fixing base 2 is provided with a mounting hole matched with the outer cylinder 6;

referring to fig. 2 and 3, the base 406, the horizontal dial 411 and the turntable 404 are all circular structures, the inner diameter of the threaded interface 408 is matched with the outer diameter of the first threaded rod 5, and the base 406 and the first threaded rod 5 are in threaded connection through the internal threaded section 19, so that the level gauge can be conveniently mounted and dismounted, and the portability of the surveying equipment is improved;

referring to fig. 3, the clamping block 21 is semi-circular, and a rubber anti-slip pad is disposed on a side wall of the clamping block 21 away from the connecting block 24.

The working principle is as follows: during the use, drive second threaded rod 9 through rotating rotary disk 12 and rotate, make second threaded rod 9 rotate inside first bearing 22, assemble through screw block 10 and second threaded rod 9 spiro union, make second threaded rod 9 drive screw block 10 and reciprocate, screw block 10 drives connecting rod 17 and moves, make interior connecting rod 17 drive slider 26 and slide from top to bottom in second spout 25, can realize opening of three set of loop bars 16 and close, improve the stable effect of land survey equipment support, increase the stability of survey equipment, then through sliding connection telescopic link 15 in the loop bar 16, make the supporting legs of telescopic link 15 bottom contact with ground, thereby adjust the height of bottom plate 1, fix suitable height through positioning bolt 11, can realize the area of contact of supporting legs and ground, improve the application range of survey equipment, then install through the spiro union of internal thread 19 internal thread section between base 406 interface 408 and the first threaded rod 5 of surveyor 401 bottom, through internal thread section 19 spiro union The assembly is convenient for the assembly and disassembly of the level 401, the outer cylinder 6 is assembled by inserting and assembling in the fixing seat 2, the connecting block 24 is driven to move along the central direction by rotating the positioning bolt 11, so as to drive the clamping block 21 to be contacted with the side wall of the outer cylinder 6 for fixing, the stability of the outer cylinder 6 is improved, the first threaded rod 5 is driven to rotate by rotating the threaded sleeve 3, the first threaded rod 5 moves along the height direction of the outer cylinder 6, the limiting rod 23 slides along the first chute 20, the surveying equipment body 4 is driven to carry out lifting adjustment, the height adjustment of the level 401 can be realized, the base 406 can stably move up and down, the practicability of the surveying equipment is improved, the horizontal position of the level 401 is observed to be more accurate by the level on the level 401, the measurement data is more accurate, the movable position of the horizontal adjustment foot screw 409 and the position of the horizontal adjustment foot screw 409 are limited by the limiting block 405 and the stabilizing block 410, make horizontal adjustment foot spiral 409 can not take place the slope in the position when removing, when the slope appears, through the horizontal adjustment foot spiral 409 and the adjusting screw 407 spiro union of rotating the relevant position adjust the measurement levelness of surveyor's level 401, can realize measuring eyepiece 402 and objective 413's levelness, improve the work efficiency of land survey equipment, increase the measuring effect of surveying equipment.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Land surveying equipment for measuring levelness, comprising a base plate (1), characterized in that: the bottom of the bottom plate (1) is provided with a first connecting seat (8), the inner side of the first connecting seat (8) is movably connected with a loop bar (16) through a first pin shaft (18), the bottom of the inner cavity of the loop bar (16) is slidably connected with a telescopic rod (15), the outer wall of the telescopic rod (15) is fixedly connected onto the inner side wall of the loop bar (16) through a positioning bolt (11), the middle of the bottom of the inner cavity of the bottom plate (1) is movably assembled with a second threaded rod (9) through a first bearing (22), the bottom end of the second threaded rod (9) is provided with a rotating disk (12), the outer wall of the second threaded rod (9) is assembled with a threaded block (10) in a threaded mode, the left side and the right side of the outer wall of the threaded block (10) are provided with second connecting seats (13), the inner side of the second connecting seat (13) is movably connected with a connecting rod (17) through a second pin shaft (14), the outer barrel is characterized in that a second sliding groove (25) is formed in one side wall of the sleeve rod (16), a sliding block (26) is arranged at the other end of the connecting rod (17), the sliding block (26) is assembled with the second sliding groove (25) in a sliding manner, a fixing seat (2) is fixedly assembled at the top of the bottom plate (1), an outer barrel (6) is assembled in the middle of the inner cavity of the fixing seat (2) in a sleeved manner, a first threaded rod (5) is assembled at the top of the outer barrel (6) through a threaded sleeve (3) in a threaded manner, a limiting rod (23) is fixedly assembled after the bottom of the first threaded rod (5) extends to the inner cavity of the outer barrel (6), first sliding grooves (20) are formed in the side walls of the left side and the right side of the inner cavity of the outer barrel (6), the first sliding grooves (20) are assembled with the limiting rod (23) in a sliding manner, and screw rods (7) are assembled in the threaded manner at the left side and the right side of the outer wall of the fixing seat (2), two sets of screw rod (7) pass fixing base (2) and are equipped with connecting block (24) through the second bearing activity, connecting block (24) are kept away from on the lateral wall of one side of screw rod (7) fixed be equipped with and are pressed from both sides tight piece (21), the top activity of first threaded rod (5) is equipped with survey equipment body (4).

2. A land survey apparatus for measuring levelness as claimed in claim 1, wherein: the surveying equipment body (4) comprises a base (406) and a level gauge (401), a threaded interface (408) is arranged at the center of an inner cavity of the base (406), inner thread sections (19) are arranged on two sides of the inner side wall of the threaded interface (408), stabilizing blocks (410) are arranged at the top of the base (406), adjusting screws (407) are fixedly arranged at the top of the stabilizing blocks (410), horizontal adjusting foot screws (409) are assembled on the outer wall of the adjusting screws (407) in a screwed mode, limiting blocks (405) are fixedly assembled at the top of the adjusting screws (407), a horizontal dial (411) is arranged at the top of the limiting blocks (405), a turntable (404) is movably assembled at the top of the horizontal dial (411), the level gauge (401) is arranged at the top of the front side wall of the level gauge (401), and a level gauge (403) is arranged at the bottom of the front side wall of the level gauge (401), the top of spirit level (401) right side wall is provided with objective (413), the top of spirit level (401) left side wall is provided with eyepiece (402), the bottom of spirit level (401) right side wall just is located the below of objective (413) and is provided with operating panel (412).

3. A land survey apparatus for measuring levelness as claimed in claim 1, wherein: the screw hole that all sets up with positioning bolt (11) looks adaptation on the outer wall of loop bar (16), three groups the bottom of telescopic link (15) is all fixed to be equipped with the supporting legs, the size of slider (26) and the size looks adaptation of second spout (25).

4. A land survey apparatus for measuring levelness as claimed in claim 1, wherein: the bottom of bottom plate (1) inner chamber is seted up with the recess of first bearing (22) looks adaptation, the screw hole with screw rod (7) looks adaptation is all seted up to the left and right sides of fixing base (2), the internal diameter of loop bar (16) is greater than the external diameter of telescopic link (15).

5. A land survey apparatus for measuring levelness as claimed in claim 1, wherein: the size of first spout (20) and the big or small looks adaptation of gag lever post (23), just the mounting hole with outer barrel (6) looks adaptation is seted up at the top of fixing base (2) inner chamber.

6. A land survey apparatus for measuring levelness as claimed in claim 2, wherein: the base (406), the horizontal dial (411) and the rotary table (404) are all circular structures, the inner diameter of the threaded interface (408) is matched with the outer diameter of the first threaded rod (5), and the base (406) and the first threaded rod (5) are in threaded connection through an inner threaded section (19).

7. A land survey apparatus for measuring levelness as claimed in claim 1, wherein: the clamping blocks (21) are in a semi-circular arc shape, and rubber anti-skid pads are arranged on the side wall of one side, away from the connecting block (24), of each clamping block (21).