CN218720323U

CN218720323U - Instrument leveling device for land surveying

Info

Publication number: CN218720323U
Application number: CN202223172182.XU
Authority: CN
Inventors: 邱士磊; 孙海涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-11-29
Filing date: 2022-11-29
Publication date: 2023-03-24
Anticipated expiration: 2032-11-29

Abstract

The utility model discloses an instrument leveling device for land survey, which comprises a tray for receiving instruments, wherein the lower end of the tray is fixedly connected with a lifting piece, a rack is fixedly arranged on the side wall of the lifting piece, and the outer side of the lifting piece is slidably connected with a support; the upper surface of the support is provided with a lifting groove, a rotating groove transversely penetrates through the inner side of the lower end of the support, the lifting groove is communicated with the rotating groove, clamping grooves are formed in two sides of the upper end of the support, and the lifting groove and the lifting piece form a lifting structure; further comprising: the straight gears are rotationally connected to the side wall of the rotating groove, and the number of the straight gears is two; this instrument levelling device for land survey utilizes the gravity when the instrument is installed through setting up tray, straight-toothed gear, rack and clamping jaw, realizes automatic fixed, and through setting up regulating part, rotation piece, awl tooth threaded rod and awl tooth pole, accurate angle altitude mixture control when realizing the leveling instrument.

Description

Instrument leveling device for land surveying

Technical Field

The utility model relates to an instrument levelling device technical field specifically is an instrument levelling device is used in land survey.

Background

When the earth survey is carried out, precise instruments such as a theodolite, a total station and a level gauge are often used, and although the instruments have different uses, the instruments can be used only after being subjected to calibration level on the spot in terms of usage, accurate data are acquired, and an instrument leveling device is needed in the process.

If a leveling mechanism for a land survey instrument with publication number CN212080704U is provided with a support, a groove, a movable rod, a first spring and a handle, when the support needs to be leveled, the movable rod moves outwards when the handle is pulled outwards, then an engineer rotates the support, after the proper position is adjusted, the engineer releases the handle, the movable rod is gradually embedded into the groove inside the support under the elastic action of the first spring, so that the movable rod is fixed, but when the leveling mechanism for the land survey instrument is used, only a protection mechanism is arranged on the instrument, threaded connection is still used for installation of the instrument, the installation is inconvenient, and when the instrument is leveled, only the angle between the supports can be adjusted, the length of the supports cannot be adjusted, and certain use defects exist.

Disclosure of Invention

An object of the utility model is to provide an instrument levelling device is used in land survey to solve the current market that the above-mentioned background art provided and survey leveling mechanism for the instrument when using, only set up protection mechanism to the instrument, still use threaded connection to the installation of instrument, it is comparatively inconvenient during the installation, and when leveling to the instrument, only can adjust the angle between the support, can not adjust the problem of the length of support.

In order to achieve the above object, the utility model provides a following technical scheme: the instrument leveling device for land surveying comprises a tray for receiving an instrument, wherein the lower end of the tray is fixedly connected with a lifting piece, a rack is fixedly arranged on the side wall of the lifting piece, and a support is slidably connected to the outer side of the lifting piece; the upper surface of the support is provided with a lifting groove, a rotating groove transversely penetrates through the inner side of the lower end of the support, the lifting groove is communicated with the rotating groove, clamping grooves are formed in two sides of the upper end of the support, and the lifting groove and the lifting piece form a lifting structure;

further comprising: the two straight gears are symmetrically arranged, clamping jaws are fixedly mounted on the side surfaces of the straight gears, and the upper ends of the clamping jaws are higher than the upper surface of the tray;

the rotating shaft is fixedly installed on the lower surface of the support, the outer side of the rotating shaft is rotatably connected with the support table, the lower surface of the rotating shaft is provided with a sliding groove, and a level is fixedly installed on the side of the upper surface of the rotating shaft.

Preferably, a clamping piece is fixedly mounted on the side surface, close to the support, of the clamping jaw, the end portion of the clamping piece is arranged in a barb manner, a matching piece is clamped above the clamping piece, the matching piece is located on the inner side of the clamping groove, a pressing piece is fixed on the matching piece, the pressing piece penetrates through the support, and the overlapping portion of the clamping groove and the clamping piece is arranged in an arc manner.

By adopting the technical scheme, the clamping jaw drives the clamping piece to rotate, and when the clamping piece is clamped with the matching piece, the clamping jaw is fixed with the support to play a limiting role.

Preferably, the upper surface off-plane sliding connection of fitting piece has the holding piece, just the holding piece with the first spring assembly of inboard fixedly connected with of fitting piece, and the side fixedly connected with second spring assembly of holding piece, simultaneously second spring assembly keeps away from the one end fixed connection of holding piece the inner wall in block groove, the holding piece with block groove constitutes the sliding connection relation.

Through adopting above-mentioned technical scheme, press down and press the briquetting and make the compression of second spring assembly to make fastener and fitting piece stagger, make the clamping jaw can expand, realize automatic fixation.

Preferably, the inner side of the sliding groove is fixedly provided with an adjusting piece, the inner side of the adjusting piece is connected with a rotating piece in a sliding mode, and one end, far away from the adjusting piece, of the rotating piece is connected with an upper supporting leg in a rotating mode.

Through adopting above-mentioned technical scheme, rotate the piece and cooperate with the regulating part, make the upper leg can the free translation rotate.

Preferably, an adjusting groove is formed in the inner side of the upper supporting leg, a bevel gear threaded rod is rotatably connected to the inner side of the adjusting groove, a bevel gear rod is rotatably connected to the side face, far away from the adjusting piece, of the upper supporting leg, and the bevel gear rod is meshed with the bevel gear threaded rod.

Through adopting above-mentioned technical scheme, utilize gear engagement and threaded connection, can accurate adjustment landing leg length.

Preferably, the lower end of the adjusting groove is connected with a lower supporting leg in a sliding mode, the lower supporting leg is in threaded connection with the bevel-tooth threaded rod, the lower end of the lower supporting leg is connected with a base plate in a rotating mode, and meanwhile a torsion spring is fixedly installed at the included angle of the base plate and the lower supporting leg.

By adopting the technical scheme, the base plate at the lower end of the supporting leg is always attached to the ground, and the leveling is more convenient and accurate.

Compared with the prior art, the beneficial effects of the utility model are that: this instrument levelling device for land survey utilizes the gravity when instrument installation through setting up tray, straight-teeth gear, rack and clamping jaw, realizes automatic fixed, and through setting up regulating part, rotating piece, awl tooth threaded rod and awl tooth pole, accurate angle altitude mixture control when realizing the leveling instrument, concrete content is as follows:

1. the automatic clamping device is provided with a tray, a support, clamping jaws, a straight gear, a rack, a clamping piece and a matching piece, when an instrument needs to be installed, the instrument is placed on the tray, the tray slides downwards under the action of gravity to drive the straight gear to be meshed with the rack and further drive the clamping jaws to clamp inwards, and when the clamping piece is clamped with the matching piece, the lower end of the instrument is fixed by the two clamping jaws, so that the instrument is automatically clamped;

2. the leveling device is provided with a support table, a sliding groove, a rotating piece, an upper support leg, a conical tooth rod, a conical tooth threaded rod, a lower support leg, a base plate and a torsion spring.

Drawings

FIG. 1 is a schematic view of the three-dimensional structure of the present invention;

FIG. 2 is a schematic view of a half-section structure of the support of the present invention;

FIG. 3 is a schematic cross-sectional view of the support of the present invention;

FIG. 4 is a schematic view of a half-section structure of the fastener of the present invention;

FIG. 5 is a schematic view of a half-section structure of the support stand of the present invention;

FIG. 6 is an enlarged schematic view of the structure at A in FIG. 5 according to the present invention;

fig. 7 is a schematic view of the three-dimensional structure of the clamping jaw of the present invention.

In the figure: 1. a tray; 101. a lifting member; 2. a support; 201. a lifting groove; 202. a rotating groove; 203. a clamping groove; 3. a clamping jaw; 4. a spur gear; 5. a rack; 6. a fastener; 7. a mating member; 701. a receiving member; 702. a first spring set; 703. a second spring set; 8. a pressing member; 9. a support stand; 10. a rotating shaft; 1001. a sliding groove; 11. a level; 12. an adjustment member; 13. a rotating member; 14. an upper support leg; 1401. an adjustment groove; 15. a bevel gear rod; 16. a bevel-tooth threaded rod; 17. a lower leg; 18. a base plate; 19. a torsion spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: an instrument leveling device for land surveying comprises a tray 1 for receiving an instrument, wherein the lower end of the tray 1 is fixedly connected with a lifting piece 101, a rack 5 is fixedly arranged on the side wall of the lifting piece 101, and the outer side of the lifting piece 101 is slidably connected with a support 2; the upper surface of the support 2 is provided with a lifting groove 201, the inner side of the lower end of the support 2 is transversely penetrated with a rotating groove 202, the lifting groove 201 is communicated with the rotating groove 202, meanwhile, both sides of the upper end of the support 2 are provided with clamping grooves 203, and the lifting groove 201 and the lifting piece 101 form a lifting structure;

further comprising: the two straight gears 4 are symmetrically arranged, clamping jaws 3 are fixedly arranged on the side surfaces of the straight gears 4, and the upper ends of the clamping jaws 3 are higher than the upper surface of the tray 1; the clamping jaw 3 is fixedly provided with a clamping piece 6 close to the side surface of the support 2, the end part of the clamping piece 6 is arranged in a barb manner, a matching piece 7 is clamped above the clamping piece 6, meanwhile, the matching piece 7 is positioned at the inner side of the clamping groove 203, a pressing piece 8 is fixed on the matching piece 7, the pressing piece 8 penetrates through the support 2, and the overlapping part of the clamping groove 203 and the clamping piece 6 is arranged in an arc manner. The upper surface of the fitting member 7 is connected with an accommodating member 701 in a sliding manner outside the surface, the accommodating member 701 is fixedly connected with a first spring set 702 with the inner side of the fitting member 7, the side surface of the accommodating member 701 is fixedly connected with a second spring set 703, the second spring set 703 is far away from one end of the accommodating member 701 and is fixedly connected with the inner wall of the clamping groove 203, and the accommodating member 701 and the clamping groove 203 form a sliding connection relationship. As shown in fig. 1-4 and 7, when the device is needed, the two pressing members 8 are pressed down to press the second spring group 703, so that the fitting member 7 slides inward along the engaging groove 203, and is staggered with the engaging member 6, the engaging member 6 loses the limit, the jaw 3 expands outward under the action of its own weight to drive the spur gear 4 to be meshed with the rack 5 to eject the tray 1, then the instrument is placed on the tray 1, the tray 1 is pressed down by the weight of the instrument to drive the spur gear 4 to be meshed with the rack 5, and further drive the two jaws 3 to clamp inward, the engaging member 6 rotates along with the jaw 3, slides along the arc on the engaging groove 203, and pushes up the fitting member 7, so that the first spring group 702 between the fitting member 7 and the accommodating member 701 is compressed, when the fitting member 6 is parallel to the fitting member 7, the first spring group 702 pushes out the fitting member 7 to be engaged with the engaging member 6, and the jaw 3 and the tray 1 are matched to clamp the lower end of the instrument, thereby realizing automatic installation and fixation.

The rotating shaft 10 is fixedly installed on the lower surface of the support 2, the outer side of the rotating shaft 10 is rotatably connected with the support stand 9, the lower surface of the rotating shaft 10 is provided with a sliding groove 1001, and the horizontal device 11 is fixedly installed on the upper surface side of the rotating shaft 10. An adjusting member 12 is fixedly mounted on the inner side of the sliding groove 1001, a rotating member 13 is slidably connected to the inner side of the adjusting member 12, and an upper leg 14 is rotatably connected to one end of the rotating member 13 away from the adjusting member 12. An adjusting groove 1401 is formed in the inner side of the upper supporting leg 14, a bevel gear threaded rod 16 is rotatably connected to the inner side of the adjusting groove 1401, a bevel gear rod 15 is rotatably connected to the side surface, away from the adjusting piece 12, of the upper supporting leg 14, and the bevel gear rod 15 is in meshed connection with the bevel gear threaded rod 16. The lower end of the adjusting groove 1401 is connected with a lower supporting leg 17 in a sliding manner, the lower supporting leg 17 is in threaded connection with the bevel gear threaded rod 16, the lower end of the lower supporting leg 17 is connected with a backing plate 18 in a rotating manner, and meanwhile, a torsion spring 19 is fixedly arranged at the corner between the backing plate 18 and the lower supporting leg 17. As shown in fig. 5-6, when the instrument is installed, the three upper legs 14 are slid outward along the sliding grooves 1001 and the rotating member 13, the backing plate 18 is always pressed against the ground to compress the torsion spring 19, the air bubbles in the level 11 are observed, the bevel gear rod 15 is rotated to enable the bevel gear threaded rod 16 and the lower leg 17 to be screwed and slide along the adjusting groove 1401 until the air bubbles in the level 11 are centered, and the accurate leveling is completed.

The working principle is as follows: when the leveling device for the instrument for land exploration is used, firstly, as shown in figures 1-7, the pressing piece 8 is pressed down to enable the clamping piece 6 and the matching piece 7 to be staggered, the clamping jaws 3 are unfolded outwards to drive the straight gear 4 and the rack 5 to be meshed and upwards eject out the tray 1, then the instrument is placed on the tray 1, the tray 1 slides downwards under the action of the gravity of the instrument to enable the straight gear 4 and the rack 5 to be meshed and drive the two clamping jaws 3 to clamp inwards, when the clamping piece 6 and the matching piece 7 are re-clamped, the tray 1 and the clamping jaws 3 are matched to fix the instrument to realize automatic installation of the instrument, then the three upper supporting legs 14 slide outwards along the sliding grooves 1001 and unfold, the backing plate 18 is attached to the ground to extrude the torsion spring 19, air bubbles in the level 11 are observed, the conical toothed rod 15 is rotated to enable the conical toothed threaded rod 16 and the lower supporting legs 17 to be in threaded connection to be finely adjusted until the air bubbles in the level 11 are parallel, and accurate leveling of the instrument is realized.

Those not described in detail in this specification are well within the skill of the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The instrument leveling device for land surveying comprises a tray (1) for receiving an instrument, wherein the lower end of the tray (1) is fixedly connected with a lifting piece (101), a rack (5) is fixedly arranged on the side wall of the lifting piece (101), and the outer side of the lifting piece (101) is connected with a support (2) in a sliding manner;

the upper surface of the support (2) is provided with a lifting groove (201), the inner side of the lower end of the support (2) is transversely penetrated with a rotating groove (202), the lifting groove (201) is communicated with the rotating groove (202), meanwhile, two sides of the upper end of the support (2) are provided with clamping grooves (203), and the lifting groove (201) and the lifting piece (101) form a lifting structure;

it is characterized by also comprising:

the two straight gears (4) are rotatably connected to the side wall of the rotating groove (202), clamping jaws (3) are fixedly mounted on the side surfaces of the straight gears (4), and the upper ends of the clamping jaws (3) are higher than the upper surface of the tray (1);

the rotating shaft (10) is fixedly installed on the lower surface of the support (2), the outer side of the rotating shaft (10) is rotatably connected with the support table (9), the lower surface of the rotating shaft (10) is provided with a sliding groove (1001), and the side of the upper surface of the rotating shaft (10) is fixedly provided with a level (11).

2. An instrument levelling device for land surveying according to claim 1, characterised in that: clamping jaw (3) are close to the side fixed mounting of support (2) has fastener (6), just the tip of fastener (6) is the barb setting, and the top block of fastener (6) has fitting piece (7), simultaneously fitting piece (7) are located the inboard in fastener groove (203), be fixed with pressing member (8) on fitting piece (7), pressing member (8) run through support (2), fastener groove (203) with the overlap department of fastener (6) is the arc setting.

3. An instrument levelling device for land surveying according to claim 2, characterized in that: the upper surface outside sliding connection of fitting piece (7) has holding piece (701), just holding piece (701) with the inboard fixedly connected with first spring assembly (702) of fitting piece (7), and the side fixedly connected with second spring assembly (703) of holding piece (701), simultaneously second spring assembly (703) are kept away from the one end fixed connection of holding piece (701) the inner wall of block groove (203), holding piece (701) with block groove (203) constitute the sliding connection relation.

4. An instrument levelling device for land surveying according to claim 1, characterised in that: the inboard fixed mounting of sliding tray (1001) has regulating part (12), just the inboard sliding connection of regulating part (12) has a rotation piece (13), and rotate piece (13) and keep away from the one end of regulating part (12) is rotated and is connected with landing leg (14).

5. An instrument levelling device for land surveying according to claim 4, wherein: an adjusting groove (1401) is formed in the inner side of the upper supporting leg (14), a bevel gear threaded rod (16) is rotatably connected to the inner side of the adjusting groove (1401), a bevel gear rod (15) is rotatably connected to the side face, far away from the adjusting piece (12), of the upper supporting leg (14), and the bevel gear rod (15) is meshed with the bevel gear threaded rod (16).

6. An instrument leveling device for land surveying as defined by claim 5 wherein: the lower end of the adjusting groove (1401) is connected with a lower supporting leg (17) in a sliding mode, the lower supporting leg (17) is in threaded connection with the bevel gear threaded rod (16), the lower end of the lower supporting leg (17) is connected with a backing plate (18) in a rotating mode, and meanwhile a torsion spring (19) is fixedly installed at the angle between the backing plate (18) and the lower supporting leg (17).