CN115355431A

CN115355431A - Highway engineering construction surveyor's level

Info

Publication number: CN115355431A
Application number: CN202211270750.1A
Authority: CN
Inventors: 王树民; 田云彬
Original assignee: Binzhou Weiye Traffic Highway Engineering Co ltd
Current assignee: Binzhou Weiye Traffic Highway Engineering Co ltd
Priority date: 2022-10-18
Filing date: 2022-10-18
Publication date: 2022-11-18
Anticipated expiration: 2042-10-18
Also published as: CN115355431B

Abstract

The invention relates to the technical field of measuring equipment, in particular to a highway engineering construction level which comprises a level body, a supporting seat and a mounting seat, wherein a plurality of notch grooves are formed in the side wall of the supporting seat, supporting legs are hinged in the notch grooves, a cavity and a first accommodating groove are formed in each supporting leg, a rotating shaft is rotatably connected in the first accommodating groove, a mounting plate and a straight gear are fixedly connected to the rotating shaft, a universal wheel is fixedly connected to the mounting plate, a limiting cover and a driving block in the level body can drive the universal wheel to overturn to a position contacting with the ground when descending, and the arrangement of the universal wheel and a U-shaped handle is convenient for a worker to move the device.

Description

Highway engineering construction surveyor's level

Technical Field

The invention relates to the technical field of measuring equipment, in particular to a highway engineering construction level gauge.

Background

The level is a measuring instrument frequently used in engineering measurement, and is an instrument for establishing a horizontal sight line to measure the height difference between two points on the ground, and during measurement, the level needs to be matched with a level bracket for use so as to finish final measurement;

in the prior art, a tripod is commonly used for supporting a level, during actual use, a worker needs to measure a plurality of places, the level needs to be transferred for a plurality of times, for measurement, the worker can not disassemble the level and then carry the level in a box for transferring when transferring the level, the tripod is folded, then the tripod is pulled up to carry the level to other places needing to be measured, and in the process of carrying the level by the worker, the level is always exposed in the external environment, so that collision between the external environment and the level is easily caused, and the level is easily damaged;

in order to solve the technical problems, the patent application numbers are as follows: 201920971916.X, a level bracket provides a solution, and the level bracket reduces damage to an instrument in a transfer process by storing the level in a protective shell;

although the level can be effectively protected by the contrast patent, the level still needs to be carried by manpower, when the distance between the surveying points is far and the surveying device is heavy, the manual carrying of the surveying device consumes a large amount of physical power of workers, the existing surveying device is not convenient for the workers to place and fix paper for recording data, the workers often need to hold a recording book to record data during surveying and mapping, and the holding of the recording book is inconvenient for the workers to control the instrument;

therefore, the highway engineering construction level is provided.

Disclosure of Invention

The invention aims to provide a highway engineering construction level gauge to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a highway engineering construction level comprises a level body, a supporting seat and a mounting seat, wherein a plurality of notch grooves are formed in the side wall of the supporting seat, a supporting leg is hinged in the notch groove, a cavity and a first accommodating groove are arranged on the supporting leg, a rotating shaft is rotationally connected in the first accommodating groove, a mounting plate and a straight gear are fixedly connected on the rotating shaft, the mounting plate is fixedly connected with universal wheels, the straight gear is meshed with a rack plate, the cavity is connected with a moving plate in a sliding way, a spring is fixedly connected between the lower end of the moving plate and the bottom of the cavity, the upper end of the rack plate penetrates through the bottom of the cavity in a sliding manner and is fixedly connected with the lower end of the moving plate, a lifting limit cover is arranged on the supporting seat, a plurality of driving blocks are fixedly connected on the top of the limit cover, a plurality of through holes are arranged on the top of the cavity, the plurality of driving blocks respectively penetrate through the plurality of through holes in a sliding manner, a lifting piece is arranged between the limiting cover and the mounting seat, a protective cylinder with an opening at the top is fixedly connected on the mounting seat, a supporting disk is connected in the protective cylinder in a sliding way, two supporting columns are fixedly connected on the supporting disk, the same connecting seat is fixedly connected on the two supporting columns, the level body is detachably arranged on the connecting seat, a cover plate for plugging the opening end of the protective cylinder is arranged on the supporting disk, a first driving piece for driving the supporting disc to lift is arranged in the protection cylinder, a second accommodating groove is arranged on the side wall of one end of the mounting seat, the inslot sliding connection is accomodate to the second has the backup pad, install the second driving piece that is used for driving backup pad horizontal migration in the mount pad, transmission coordination between second driving piece and the first driving piece.

Preferably, fixedly connected with slides on the supporting seat and runs through the first guide post of spacing cover, it runs through the first threaded rod of spacing cover to rotate to be connected with the screw thread on the supporting seat.

Preferably, the lifting piece comprises a threaded sleeve fixedly connected to the upper end of the limiting cover, a second threaded rod is connected to the inner thread of the threaded sleeve in a rotating mode, the upper end of the second threaded rod is connected with the lower end of the mounting seat in a rotating mode, a second guide post is fixedly connected to the lower end of the mounting seat in a rotating mode, a first guide groove is formed in the threaded sleeve, and the second guide post is inserted into the first guide groove in a sliding mode.

Preferably, a first sliding groove is formed in the inner wall of the protective cylinder, the first driving part comprises a first sliding block which is connected to the first sliding groove in a sliding mode, the first sliding block is fixedly connected with the supporting disc, a third threaded rod penetrates through the first sliding groove in a rotating mode, and part of threads, located in the first sliding groove, of the third threaded rod penetrates through the first sliding block.

Preferably, a second sliding groove is formed in the top of the second accommodating groove, the second driving part comprises a second sliding block connected in the second sliding groove in a sliding mode, the second sliding block is fixedly connected with the supporting plate, a fourth threaded rod penetrates through the second sliding groove in a rotating mode, and part of threads, located in the second sliding groove, of the fourth threaded rod penetrates through the second sliding block.

Preferably, the lower end of the third threaded rod rotates to penetrate through the second sliding groove, the parts, located in the second sliding groove, of the third threaded rod and the fourth threaded rod are coaxially and fixedly connected with bevel gears, and the two bevel gears are meshed with each other.

Preferably, the lower extreme fixedly connected with third guide post of cover plate, the lower extreme of cover plate rotates and is connected with the fifth threaded rod, the upper end of supporting disk is equipped with thread groove and second guide way, fifth threaded rod threaded connection is in the thread groove, the third guide post slides and inserts and establish in the second guide way.

Preferably, the upper end of the supporting plate is provided with a magnetic absorption groove, and a plurality of magnetic pressing blocks are connected in the magnetic absorption groove in an adsorption mode.

Preferably, threaded holes are formed in the base of the connecting seat and the base of the level body, and the threaded holes are connected with the same locking bolt in a threaded mode.

Preferably, a U-shaped handle is fixedly connected to the side wall of the mounting seat.

Compared with the prior art, the invention has the beneficial effects that:

1. the limiting cover can effectively combine and gather a plurality of supporting legs into a vertical stable state, and workers do not need to additionally use binding ropes to bind and limit the supporting legs when carrying the device.

2. The limiting cover and the driving block can drive the universal wheel to turn over to a position contacting with the ground when descending, the arrangement of the universal wheel and the U-shaped handle is convenient for a worker to move the device, and in addition, the device can be stored in the first storage groove, so that the use of the supporting leg cannot be influenced.

3. The device can be stably placed on the ground by adjusting the hinging state of the supporting legs, in addition, a worker can adjust the supporting height of the level body by adjusting the hinging state of the supporting legs, and the arrangement of the lifting piece is convenient for the worker to further adjust the supporting height of the level body.

4. The protective cylinder and the cover plate can effectively protect the level body, and can effectively prevent the level body from colliding in the moving process, so that the damage to the level body in the transferring process can be effectively reduced.

5. The supporting plate is convenient for workers to place paper for recording data, when the level body is stored in the protective cylinder, the supporting plate is also synchronously stored in the second storage groove, and the linkage of the structure reduces the step of storing and folding the device for the workers.

Drawings

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

FIG. 2 is a top view of FIG. 1;

FIG. 3 isbase:Sub>A sectional view taken along line A-A of FIG. 2;

FIG. 4 is an enlarged view of the structure of FIG. 3 at C;

FIG. 5 is an enlarged view of the structure of FIG. 3 at D;

FIG. 6 is a sectional view of the structure taken along line B-B of FIG. 2;

FIG. 7 is an enlarged view of the structure at E in FIG. 6;

fig. 8 is a perspective view of another embodiment of the present invention.

In the figure: 1. a level body; 2. a supporting seat; 3. a mounting seat; 4. a notch groove; 5. supporting legs; 6. a chamber; 7. a first receiving groove; 8. a rotating shaft; 9. mounting a plate; 10. a spur gear; 11. a universal wheel; 12. a rack plate; 13. moving the plate; 14. a spring; 15. a limiting cover; 16. a drive block; 17. a through hole; 18. a lifting member; 181. a threaded sleeve; 182. a second threaded rod; 183. a second guide post; 184. a first guide groove; 19. a protective cylinder; 20. a support disc; 21. a support column; 22. a connecting seat; 23. a cover plate; 24. a first driving member; 241. a first slider; 242. a third threaded rod; 25. a second accommodating groove; 26. a support plate; 27. a second driving member; 271. a second slider; 272. a fourth threaded rod; 28. a first guide post; 29. a first threaded rod; 30. a first chute; 31. a second chute; 32. a bevel gear; 33. a third guide post; 34. a fifth threaded rod; 35. a thread groove; 36. a second guide groove; 37. a magnetic attraction groove; 38. magnetic briquetting; 39. locking the bolt; 40. a U-shaped handle.

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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first" and "second" may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

Referring to fig. 1 to 8, the present invention provides a technical solution:

a highway engineering construction level gauge is shown in figures 1 to 8 and comprises a level gauge body 1, a supporting seat 2 and a mounting seat 3, wherein a plurality of notch grooves 4 are formed in the side wall of the supporting seat 2, supporting legs 5 are hinged in the notch grooves 4, a cavity 6 and a first accommodating groove 7 are formed in the supporting legs 5, a rotating shaft 8 is rotatably connected in the first accommodating groove 7, a mounting plate 9 and a straight gear 10 are fixedly connected to the rotating shaft 8, a universal wheel 11 is fixedly connected to the mounting plate 9, a rack plate 12 is meshed to the straight gear 10, a moving plate 13 is slidably connected to the cavity 6, a spring 14 is fixedly connected between the lower end of the moving plate 13 and the bottom of the cavity 6, the upper end of the rack plate 12 slidably penetrates through the bottom of the cavity 6 and is fixedly connected with the lower end of the moving plate 13, a liftable limiting cover 15 is mounted on the supporting seat 2, a plurality of driving blocks 16 are fixedly connected to the top of the limiting cover 15, a plurality of through holes 17 are formed in the top of the cavity 6, a plurality of driving blocks 16 respectively penetrate through the through holes 17 in a sliding manner, a lifting piece 18 is installed between the limiting cover 15 and the mounting seat 3, a protective cylinder 19 with an open top is fixedly connected to the mounting seat 3, a supporting disc 20 is slidably connected to the protective cylinder 19, two supporting columns 21 are fixedly connected to the supporting disc 20, the same connecting seat 22 is fixedly connected to the two supporting columns 21, the spirit level body 1 is detachably installed on the connecting seat 22, a covering plate 23 for blocking the open end of the protective cylinder 19 is installed on the supporting disc 20, a first driving piece 24 for driving the supporting disc 20 to lift is installed in the protective cylinder 19, a second accommodating groove 25 is formed in the side wall of one end of the mounting seat 3, a supporting plate 26 is slidably connected to the second accommodating groove 25, and a second driving piece 27 for driving the supporting plate 26 to horizontally move is installed in the mounting seat 3, the second driving member 27 is in transmission fit with the first driving member 24.

During construction of highway engineering, different surveying and mapping points are often required to be surveyed, a worker is required to carry the surveying and mapping device to different surveying and mapping points, most of the conventional surveying and mapping devices comprise a surveying and mapping instrument and a tripod, a moving structure is not arranged on the tripod, the worker is required to carry the surveying and mapping device manually, when the distance between the surveying and mapping points is long and the surveying and mapping device is heavy, the worker consumes a large amount of physical strength of the worker when carrying the surveying and mapping device, for measurement, the worker does not detach the surveying and mapping instrument and then pack the surveying and mapping instrument for transfer, but folds the tripod, then lifts the tripod to move the surveying and mapping instrument to other places needing to be measured, the worker is exposed in the external environment all the time when moving the surveying and mapping instrument, collision between the external environment and the surveying and mapping instrument is easy to cause damage to the surveying and mapping instrument, the limiting cover 15 can effectively combine and gather a plurality of supporting legs 5 into a vertical stable state, the worker can conveniently use the leveling cover 15 and the universal support wheel 1 to adjust the height of the supporting legs, the leveling cover 15 and the universal support wheel can be conveniently hinged to the supporting legs 1, and the leveling wheel can be conveniently adjusted by the lifting and the leveling wheel 1, the protective cylinder 19 and the cover plate 23 can effectively protect the level body 1, and can effectively prevent the level body 1 from colliding in the moving process, so that damage to the level body 1 in the transferring process can be effectively reduced, the supporting plate 26 is convenient for workers to place data recording paper, when the level body 1 is stored in the protective cylinder 19, the supporting plate 26 is also synchronously stored in the second storage groove 25, and the linkage of the structure reduces the step of storing the device by the workers.

As shown in fig. 3, a first guide post 28 slidably penetrating through the position-limiting cover 15 is fixedly connected to the support base 2, and a first threaded rod 29 having a thread penetrating through the position-limiting cover 15 is rotatably connected to the support base 2.

When the device needs to be moved, a worker can rotate the first threaded rod 29 clockwise, the first threaded rod 29 rotates clockwise to enable the limiting cover 15 to move downwards under the limiting effect of the first guide post 28, the supporting legs 5 are gradually closed and finally in a vertical stable state in the process that the limiting cover 15 moves downwards, after the supporting legs 5 are in the vertical state, the limit cover 15 moves downwards continuously, the limit cover 15 moves downwards continuously to drive the driving block 16 to move downwards continuously, the driving block 16 passes through the through hole 17 and extrudes the moving plate 13 gradually when moving downwards continuously, further, the moving plate 13 and the rack plate 12 move downward, the rack plate 12 moves downward to rotate the spur gear 10, thereby rotating the rotating shaft 8, the mounting plate 9 and the universal wheel 11, finally turning the mounting plate 9 to be in a horizontal state, at the moment, the universal wheel 11 is contacted with the ground and the supporting legs 5 are separated from the ground, the worker can then move the device by means of the universal wheels 11, after the device has been moved into position, the worker may rotate the first threaded bar 29 counterclockwise, and the first threaded bar 29 rotates counterclockwise so that the position-restricting cover 15 moves upward by the position-restricting action of the first guide post 28, and the driving block 16 moves upwards, when the limit cover 15 moves upwards to the limit, the driving block 16 moves out of the chamber 6, at this time, the moving plate 13 moves upwards under the elastic reset action of the spring 14, and then the rack plate 12 moves upwards, the rack plate 12 moves upwards to enable the straight gear 10, the rotating shaft 8, the mounting plate 9 and the universal wheel 11 to rotate, finally the mounting plate 9 can be overturned to be in a vertical state and stored in the first storage groove 7 together with the universal wheel 11, and when the limit cover 15 moves upwards to the limit, the limiting state of the supporting leg 5 is released, and then the operator can flexibly rotate the supporting leg 5 to enable the device to be stably placed on the ground.

As shown in fig. 3 and 6, the lifting member 18 includes a threaded sleeve 181 fixedly connected to the upper end of the limiting cover 15, a second threaded rod 182 is connected to the threaded sleeve 181 in a threaded manner, the upper end of the second threaded rod 182 is rotatably connected to the lower end of the mounting seat 3, a second guide post 183 is fixedly connected to the lower end of the mounting seat 3, a first guide groove 184 is formed in the threaded sleeve 181, and the second guide post 183 is slidably inserted into the first guide groove 184.

When the supporting height of the level body 1 needs to be adjusted, a worker can manually rotate the second threaded rod 182, the second threaded rod 182 rotates to enable the mounting seat 3 to move upwards or downwards under the limiting effect of the first guide groove 184 and the second guide post 183, then the level body 1 above the mounting seat 3 moves upwards or downwards, and the second threaded rod 182 is rotated until the level body 1 reaches a proper supporting height.

As shown in fig. 1 to 8, a first sliding slot 30 is formed on an inner wall of the protective cylinder 19, the first driving member 24 includes a first slider 241 slidably connected in the first sliding slot 30, the first slider 241 is fixedly connected to the supporting plate 20, a third threaded rod 242 is rotatably penetrated in the first sliding slot 30, a part of the third threaded rod 242 located in the first sliding slot 30 penetrates the first slider 241, a second sliding slot 31 is formed on a top of the second accommodating slot 25, the second driving member 27 includes a second slider 271 slidably connected in the second sliding slot 31, the second slider 271 is fixedly connected to the supporting plate 26, a fourth threaded rod 272 is rotatably penetrated in the second sliding slot 31, a part of the fourth threaded rod 272 located in the second sliding slot 31 penetrates the second slider 271, a lower end of the third threaded rod 242 rotates to penetrate the second sliding slot 31, bevel gears 32 are coaxially and fixedly connected to portions of the third threaded rod 242 and the fourth threaded rod 272 located in the second sliding slot 31, and the two bevel gears 32 are engaged with each other.

When the surveying and mapping device needs to be transferred, a worker can rotate the fourth threaded rod 272, the fourth threaded rod 272 rotates to enable the second sliding block 271 to horizontally move under the limiting effect of the second sliding groove 31, and further enable the supporting plate 26 to horizontally move, in addition, under the transmission effect of the two bevel gears 32, the fourth threaded rod 272 rotates to drive the third threaded rod 242 to rotate, the third threaded rod 242 rotates to enable the first sliding block 241 to move upwards or downwards under the limiting effect of the first sliding groove 30, so that the supporting plate 20 and the level body 1 and the covering plate 23 above the supporting plate 20 move upwards or downwards, when the fourth threaded rod 272 rotates to enable the supporting plate 26 to move into the second accommodating groove 25, the level body 1 is just accommodated into the protective cylinder 19, the covering plate 23 just seals the top opening end of the protective cylinder 19 at the moment, the level body 1 is effectively protected, damage to the level body 1 in the transferring process is avoided, when the level body 1 needs to be used again, the worker can rotate the fourth threaded rod 272 until the level body 1 moves out of the protective cylinder 19, at the supporting plate 26 is also moved out of the second accommodating groove 25, and the data of the worker can record data, and the data of the data can be conveniently recorded by the worker.

As shown in fig. 6 and 7, a third guide post 33 is fixedly connected to a lower end of the covering plate 23, a fifth threaded rod 34 is rotatably connected to a lower end of the covering plate 23, a threaded groove 35 and a second guide groove 36 are formed in an upper end of the supporting plate 20, the fifth threaded rod 34 is threadedly connected to the threaded groove 35, and the third guide post 33 is slidably inserted into the second guide groove 36.

The cover plate 23 is arranged above the level body 1, the cover plate can effectively shade the level body 1 from sunlight and rain, in addition, the installation mode of the cover plate 23 is convenient for workers to disassemble the cover plate, when the workers need to disassemble the cover plate 23, the cover plate can rotate the fifth threaded rod 34 until the fifth threaded rod 34 is moved out of the threaded groove 35, when the cover plate 23 needs to be reinstalled, the workers can align the fifth threaded rod 34 to the threaded groove 35 and enable the third guide post 33 to align the second guide groove 36, and finally, the fifth threaded rod 34 is rotated to enable the threaded connection to be in the threaded groove 35.

As shown in fig. 8, a magnetic attraction groove 37 is formed at the upper end of the supporting plate 26, and a plurality of magnetic pressing blocks 38 are attached to the magnetic attraction groove 37, it should be noted that both the magnetic attraction groove 37 and the magnetic pressing block 38 have magnetism, and the opposite sides of the two have opposite magnetism, so that the two are attached to each other.

The magnetic pressing block 38 is arranged to facilitate the staff to press and fix the paper for recording data in the magnetic attraction groove 37, and the pressed and fixed paper is more convenient for the staff to record data.

As shown in fig. 6, threaded holes are formed in the base of the connecting base 22 and the base of the level body 1, and the same locking bolt 39 is connected to the two threaded holes in a threaded manner.

When the level body 1 needs to be detached from the connecting seat 22, a worker directly unscrews the locking bolt 39.

As shown in fig. 1, a U-shaped handle 40 is fixedly connected to a side wall of the mounting base 3.

The provision of the U-shaped handle 40 facilitates movement of the device by the worker.

The using method comprises the following steps: in practice, when the device is used, a worker can move the level body 1 out of the protective cylinder 19, then stably support the device on the ground through the plurality of support legs 5, when the supporting height of the level body 1 needs to be adjusted, the worker can manually rotate the second threaded rod 182, the second threaded rod 182 rotates to enable the mounting seat 3 to move upwards or downwards under the limiting action of the first guide groove 184 and the second guide column 183, so that the level body 1 above the mounting seat 3 moves upwards or downwards, the second threaded rod 182 is rotated until the level body 1 reaches the proper supporting height, after the level body 1 reaches the proper height, the worker can conduct surveying and mapping on a construction site through the level body 1, it is to be noted that the level body 1 is the prior art, the detailed surveying and mapping steps are not repeated here, when the device needs to be transferred, the worker can rotate the fourth threaded rod 272, the fourth threaded rod 272 rotates to enable the second sliding block to horizontally move under the limiting action of the second sliding groove 31, so that the supporting block 26 horizontally moves, in addition, the transmission action of the two supporting blocks 32 move downwards, the supporting block 32 further, the supporting block 32 rotates to drive the third threaded rod 272 and the supporting block 20 in the supporting plate 20, so that the supporting block 23 and the supporting block 23 is rotated in the supporting groove 242, at the supporting plate is rotated upwards, at this time, the supporting plate is rotated in the supporting plate 272, so that the supporting plate 242 is rotated in the supporting plate 21, the supporting plate 23, the supporting plate is rotated in the supporting plate 21, the supporting plate 23, the supporting plate is rotated preventing block 23, the supporting plate is effectively, the supporting plate 23, the supporting plate is rotated downwards, then the worker can rotate the first threaded rod 29 clockwise, the first threaded rod 29 rotates clockwise to enable the limiting cover 15 to move downwards under the limiting effect of the first guide column 28, the limiting cover 15 moves downwards to enable the supporting legs 5 to be gradually closed and finally to be in a vertical state, after the supporting legs 5 are in the vertical state, the limit cover 15 moves downwards continuously, the limit cover 15 moves downwards continuously to drive the driving block 16 to move downwards continuously, the driving block 16 moves downwards to penetrate through the through hole 17 and extrude the moving plate 13, thereby moving the moving plate 13 and the rack plate 12 downward, moving the rack plate 12 downward to rotate the spur gears 10, thereby rotating the rotating shaft 8, the mounting plate 9 and the universal wheel 11, finally turning the mounting plate 9 to a horizontal state, at the moment, the universal wheel 11 is contacted with the ground, the supporting leg 5 is separated from the ground, the worker can then move the device by means of the universal wheels 11, after the device has been moved into position, the worker may rotate the first threaded bar 29 counterclockwise, and the first threaded bar 29 rotates counterclockwise so that the position-restricting cover 15 moves upward by the position-restricting action of the first guide post 28, and then the driving block 16 moves upwards, when the limit cover 15 moves upwards to the limit, the driving block 16 moves out of the cavity 6, at this time, the moving plate 13 moves upwards under the elastic reset action of the spring 14, and then the rack plate 12 moves upwards, the rack plate 12 moves upwards to enable the straight gear 10, the rotating shaft 8, the mounting plate 9 and the universal wheel 11 to rotate, finally the mounting plate 9 can be overturned to be in a vertical state and stored in the first storage groove 7 together with the universal wheel 11, and when the limit cover 15 moves upwards to the limit, it is relieved the spacing state of supporting leg 5, and the staff can rotate supporting leg 5 in a flexible way and make the device place subaerial steadily afterwards to continue surveying and mapping work.

The electric elements in the document are electrically connected with an external main controller and 220V mains supply through a transformer, the main controller can be a conventional known device controlled by a computer and the like, the product model provided by the invention is only used according to the structural characteristics of the product, the product can be adjusted and modified after being purchased, so that the product is more matched with and accords with the technical scheme of the invention, the product model is a technical scheme of the optimal application of the technical scheme, the product model can be replaced and modified according to the required technical parameters, and the product model is familiar to the technical personnel in the field, so that the technical scheme provided by the invention can clearly obtain the corresponding use effect.

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

Claims

1. The utility model provides a highway engineering construction surveyor's level, includes surveyor's level body (1), supporting seat (2) and mount pad (3), its characterized in that: the utility model discloses a multi-functional support for the automobile seat, including supporting seat (2), breach groove (4) have been seted up on the lateral wall of supporting seat (2), it has supporting leg (5) to articulate in breach groove (4), cavity (6) and first groove (7) of accomodating have been seted up on supporting leg (5), first groove (7) internal rotation of accomodating is connected with pivot (8), fixedly connected with mounting panel (9) and straight-teeth gear (10) are gone up in pivot (8), fixedly connected with universal wheel (11) on mounting panel (9), the meshing has rack plate (12) on straight-teeth gear (10), sliding connection has movable plate (13) in cavity (6), fixedly connected with spring (14) between the lower extreme of movable plate (13) and the bottom of cavity (6), the upper end slip of rack plate (12) run through the bottom of cavity (6) and with the lower extreme fixed connection of straight-teeth gear (13), install liftable spacing cover (15) on supporting seat (2), fixedly connected with a plurality of drive blocks (16) on the top of spacing cover (15), set up a plurality of through the through hole (17), a plurality of through the through hole (16) respectively install between a plurality of spacing cover (18) through the through hole (18), fixedly connected with open-top's protection section of thick bamboo (19) on mount pad (3), sliding connection has supporting disk (20) in protection section of thick bamboo (19), two fixedly connected with support columns (21), two on supporting disk (20) fixedly connected with same connecting seat (22) on support column (21), spirit level body (1) demountable installation is on connecting seat (22), install on supporting disk (20) and be used for shutoff to protect cover plate (23) of a section of thick bamboo (19) open end, install in protection section of thick bamboo (19) and be used for driving first driving piece (24) that supporting disk (20) go up and down, it accomodates groove (25) to have seted up the second on the one end lateral wall of mount pad (3), sliding connection has backup pad (26) in groove (25) is accomodate to the second, install second driving piece (27) that are used for driving backup pad (26) horizontal migration in mount pad (3), transmission cooperation between second driving piece (27) and first driving piece (24).

2. The road engineering construction level according to claim 1, wherein: fixedly connected with slides first guide post (28) that runs through spacing cover (15) on supporting seat (2), it is connected with first threaded rod (29) that the screw thread runs through spacing cover (15) to rotate on supporting seat (2).

3. A road engineering construction level according to claim 1, wherein: lifting member (18) include threaded sleeve (181) of fixed connection in spacing cover (15) upper end, threaded sleeve (181) female connection has second threaded rod (182), the upper end of second threaded rod (182) rotates with the lower extreme of mount pad (3) to be connected, the lower extreme fixedly connected with second guide post (183) of mount pad (3), be equipped with first guide way (184) on threaded sleeve (181), second guide post (183) slide to insert and establish in first guide way (184).

4. A road engineering construction level according to claim 1, wherein: the inner wall of the protective cylinder (19) is provided with a first sliding groove (30), the first driving piece (24) comprises a first sliding block (241) which is connected into the first sliding groove (30) in a sliding mode, the first sliding block (241) is fixedly connected with the supporting disc (20), a third threaded rod (242) penetrates through the first sliding groove (30) in a rotating mode, and part of threads, located in the first sliding groove (30), of the third threaded rod (242) penetrates through the first sliding block (241).

5. The road engineering construction level of claim 4, wherein: a second sliding groove (31) is formed in the top of the second accommodating groove (25), the second driving piece (27) comprises a second sliding block (271) which is connected into the second sliding groove (31) in a sliding mode, the second sliding block (271) is fixedly connected with the supporting plate (26), a fourth threaded rod (272) penetrates through the second sliding groove (31) in a rotating mode, and part of threads of the fourth threaded rod (272) located in the second sliding groove (31) penetrate through the second sliding block (271).

6. A road engineering construction level according to claim 5, wherein: the lower end of the third threaded rod (242) penetrates through the second sliding groove (31) in a rotating mode, the parts, located in the second sliding groove (31), of the third threaded rod (242) and the fourth threaded rod (272) are coaxially and fixedly connected with bevel gears (32), and the two bevel gears (32) are meshed with each other.

7. A road engineering construction level according to claim 1, wherein: the lower extreme fixedly connected with third guide post (33) of cover plate (23), the lower extreme of cover plate (23) is rotated and is connected with fifth threaded rod (34), the upper end of supporting disk (20) is equipped with thread groove (35) and second guide way (36), fifth threaded rod (34) threaded connection is in thread groove (35), third guide post (33) slide to insert and establish in second guide way (36).

8. The road engineering construction level according to claim 1, wherein: the upper end of the supporting plate (26) is provided with a magnetic absorption groove (37), and a plurality of magnetic pressing blocks (38) are connected in the magnetic absorption groove (37) in an adsorption manner.

9. The road engineering construction level according to claim 1, wherein: threaded holes are formed in bases of the connecting seat (22) and the level body (1), and the threaded holes are connected with the same locking bolt (39) in a threaded mode.

10. A road engineering construction level according to claim 1, wherein: and a U-shaped handle (40) is fixedly connected to the side wall of the mounting seat (3).