CN212986507U

CN212986507U - BDS level for engineering survey

Info

Publication number: CN212986507U
Application number: CN202021458418.4U
Authority: CN
Inventors: 沈良清
Original assignee: Shandong Huijie Geographic Information Technology Co ltd
Current assignee: Shandong Huijie Geographic Information Technology Co ltd
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2021-04-16
Anticipated expiration: 2030-07-22

Abstract

The utility model belongs to the technical field of engineering measuring instrument, especially, be a BDS surveyor's level for engineering survey, including the tripod, the top of tripod is rotated and is installed first disc, the top of first disc is equipped with the second disc, one side that first disc and second disc are close to each other all articulates there is the hinge bar, and the one end that two hinge bars are close to each other is articulated each other, one side that first disc and second disc are close to each other all hands over there is first screw rod, and threaded sleeve is equipped with same first internal thread sleeve on two first screw rods, the top of second disc has the cylinder through the fix with screw, the circular slot has been seted up at cylindrical top, slidable mounting has the round bar in the circular slot, the top of round bar extends to outside the circular slot and has the rack through the fix with screw. The utility model discloses the practicality is high, can adjust according to the timely height and the angle to the surveyor's level of actual conditions, brings the convenience for measurement.

Description

BDS level for engineering survey

Technical Field

The utility model relates to an engineering measuring instrument technical field especially relates to an engineering is BDS surveyor's level for measurement.

Background

The BDS level is an instrument for establishing a horizontal sight line to measure the height difference between two ground points, the principle is to measure the height difference between the ground points according to the leveling principle, main components are hopeful to be a telescope, a pipe level, a vertical shaft, a base and a foot screw, and the BDS level is divided into a micro-inclination BDS level, an automatic leveling BDS level, a laser BDS level and a digital BDS level which are also called electronic BDS levels according to the structure, and the BDS level is divided into a precise BDS level and a common BDS level according to the precision, and is mainly suitable for construction and measurement of construction sites.

However, the BDS level is inevitably used without the auxiliary action of a tripod, the height of the main body of the existing BDS level can only be adjusted when the tripod is placed, and after the BDS level is calibrated, the height of the BDS level cannot be adjusted in time according to actual conditions, so that inconvenience is brought to measurement work.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the BDS surveyor's level for engineering survey who proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a BDS (brain-based staff gauge) for engineering measurement comprises a tripod, wherein a first disc is rotatably installed at the top of the tripod, a second disc is arranged above the first disc, hinged rods are hinged to one side, close to each other, of the first disc and the second disc, one ends, close to each other, of the two hinged rods are hinged to each other, first screw rods are respectively connected to one side, close to each other, of the first disc and the second disc, the two first screw rods are respectively sleeved with a same first internal thread sleeve in a threaded manner, the top of the second disc is fixedly provided with a cylinder through screws, the top of the cylinder is provided with a circular groove, a circular rod is slidably installed in the circular groove, the top end of the circular rod extends out of the circular groove and is fixedly provided with a placing frame through screws, a spirit level body is fixedly arranged on the placing frame through screws, two rotating grooves are formed in the inner wall of the bottom of the circular groove, and a second internal thread sleeve and a third internal, equal threaded connection has the second screw rod in second internal thread sleeve and the third internal thread sleeve, and the top of two second screw rods extends to second internal thread sleeve and third internal thread sleeve respectively and passes through the fix with screw together with the bottom of round bar outward, all there is the belt pulley through the fix with screw on second internal thread sleeve and the third internal thread sleeve, there is first conical gear through the fix with screw on the second internal thread sleeve, and the cover is equipped with same belt on two belt pulleys, the rotation hole has been seted up on one side inner wall of circular slot, the pivot is installed in the rotation hole rotation, the pivot is close to second internal thread sleeve's one end and extends to the circular slot in and has second conical gear through the fix with screw, second conical gear and first conical gear intermeshing.

Preferably, one end of the rotating shaft far away from the second bevel gear extends out of the rotating hole and is fixed with an adjusting nut through a screw.

Preferably, a bearing is arranged in the rotating hole, the outer ring of the bearing is in interference fit with the inner wall of the rotating hole, and the inner ring of the bearing is sleeved on the rotating shaft in interference fit.

Preferably, a dustproof ring is pasted in the circular groove, and the circular rod is connected with the inner wall of the dustproof ring in a sliding mode.

Preferably, a circular groove is formed in the top of the tripod, a rotating column is rotatably mounted in the circular groove, and the top end of the rotating column extends out of the circular groove and is fixed with the bottom of the first disc through a screw.

Preferably, the limiting grooves are formed in the two sides of the round rod, two L-shaped limiting rods are fixed to the top of the cylinder through screws, and one ends, close to each other, of the two L-shaped limiting rods are connected with the inner walls of the corresponding limiting grooves in a sliding mode respectively.

Compared with the prior art, the beneficial effects of the utility model are that: when the height of the level body is finely adjusted, only the rotating shaft needs to be rotated through the adjusting nut, the rotating shaft rotates and drives the second bevel gear to rotate, the second bevel gear drives the bevel gear to rotate again, the first bevel gear drives the second internal thread sleeve to rotate again, the second internal thread sleeve and the third internal thread sleeve are both sleeved with belt pulleys, and the two belt pulleys are sleeved with the same belt, so the third internal thread sleeve synchronously rotates along with the rotation of the second internal thread sleeve, and therefore the two second screws in the second internal thread sleeve and the third internal thread sleeve can be screwed in and extend out of the second internal thread sleeve and the third internal thread sleeve, so the two second screws can drive the round bar to move up and down, the round bar drives the level body on the placing frame to move up, and the first internal thread sleeve can also be rotated, along with two first screws in the first internal thread sleeve are continuously far away or close to each other, the second disc rotates by taking the two hinged rods as the circle centers, so that the level body can present different inclination angles.

The utility model discloses the practicality is high, can adjust according to the timely height and the angle to the surveyor's level of actual conditions, brings the convenience for measurement.

Drawings

FIG. 1 is a front sectional view of the present invention;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

FIG. 3 is an enlarged schematic view of portion B of FIG. 1;

in the figure: 1. a tripod; 2. a first disc; 3. a second disc; 4. a hinged lever; 5. a first screw; 6. a first internally threaded sleeve; 7. a cylinder; 8. a circular groove; 9. a round bar; 10. placing a rack; 11. a level body; 12. a rotating groove; 13. a second internally threaded sleeve; 14. a third internally threaded sleeve; 15. a second screw; 16. a belt pulley; 17. a first bevel gear; 18. rotating the hole; 19. a rotating shaft; 20. a second bevel gear.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a BDS (brain-based staff gauge) for engineering measurement comprises a tripod 1, wherein a first disc 2 is rotatably arranged at the top of the tripod 1, a second disc 3 is arranged above the first disc 2, hinged rods 4 are hinged on one sides of the first disc 2 and the second disc 3 which are close to each other, one ends of the two hinged rods 4 which are close to each other are hinged with each other, first screw rods 5 are respectively connected on one sides of the first disc 2 and the second disc 3 which are close to each other, the same first internal thread sleeve 6 is sleeved on the two first screw rods 5 in a threaded manner, a cylinder 7 is fixed at the top of the second disc 3 through screws, a circular groove 8 is arranged at the top of the cylinder 7, a circular rod 9 is slidably arranged in the circular groove 8, the top end of the circular rod 9 extends out of the circular groove 8 and is fixed with a placing rack 10 through screws, a level body 11 is fixed on the placing rack 10 through screws, two rotating grooves 12 are arranged on the inner, a second internal thread sleeve 13 and a third internal thread sleeve 14 are rotatably mounted in the two rotating grooves 12 respectively, a second screw 15 is in threaded connection with the inside of the second internal thread sleeve 13 and the inside of the third internal thread sleeve 14, the top ends of the two second screws 15 extend out of the second internal thread sleeve 13 and the third internal thread sleeve 14 respectively and are fixed with the bottom of the round rod 9 through screws, belt pulleys 16 are fixed on the second internal thread sleeve 13 and the third internal thread sleeve 14 through screws, a first bevel gear 17 is fixed on the second internal thread sleeve 13 through screws, the two belt pulleys 16 are sleeved with the same belt, a rotating hole 18 is formed in the inner wall of one side of the round groove 8, a rotating shaft 19 is rotatably mounted in the rotating hole 18, one end of the rotating shaft 19, close to the second internal thread sleeve 13, extends into the round groove 8 and is fixed with a second bevel gear 20 through screws, and the second bevel gear 20 is meshed with the first bevel gear 17;

one end of the rotating shaft 19, which is far away from the second bevel gear 20, extends out of the rotating hole 18 and is fixed with an adjusting nut through a screw, a bearing is arranged in the rotating hole 18, the outer ring of the bearing is in interference fit with the inner wall of the rotating hole 18, the inner ring of the bearing is in interference fit with the rotating shaft 19, a dust ring is adhered in the circular groove 8, the circular rod 9 is in sliding connection with the inner wall of the dust ring, the top of the tripod 1 is provided with a circular groove, a rotating column is rotatably arranged in the circular groove, the top end of the rotating column extends out of the circular groove and is fixed with the bottom of the first disc 2 through a screw, both sides of the circular rod 9 are provided with limiting grooves, the top of the cylinder 7 is fixed with two L-shaped limiting rods through screws, one ends, which are close to each other, of the two L-shaped limiting rods are respectively in sliding connection with the inner walls of the corresponding limiting, the rotating shaft 19 rotates and drives the second bevel gear 20 to rotate, the second bevel gear 20 drives the bevel gear 17 to rotate again, the first bevel gear 17 drives the second internal thread sleeve 13 to rotate again, the belt pulleys 16 are sleeved on the second internal thread sleeve 13 and the third internal thread sleeve 14, and the same belt is sleeved on the two belt pulleys 16, so that the third internal thread sleeve 14 synchronously rotates along with the rotation of the second internal thread sleeve 13, the two second screws 15 in the second internal thread sleeve 13 and the third internal thread sleeve 14 are screwed into the second internal thread sleeve 13 and the third internal thread sleeve 14, the two second screws 15 drive the round rod 9 to move up and down, the round rod 9 drives the level body 1 on the placing frame 10 to move up and move, meanwhile, the first internal thread sleeve 6 can also rotate, and the two first screws 5 in the first sleeve 6 continuously move away from or approach, the second disc 3 will use two hinge bars 4 to rotate as the centre of a circle to can make level body 11 present different inclination, the utility model discloses the practicality is high, can adjust according to the height and the angle of in time level of actual conditions, brings the convenience for measuring work.

The working principle is as follows: when the height of the level body 11 is finely adjusted, only the rotating shaft 19 needs to be rotated through the adjusting nut, the rotating shaft 19 rotates and drives the second bevel gear 20 to rotate, the second bevel gear 20 drives the bevel gear 17 to rotate again, the first bevel gear 17 drives the second internal thread sleeve 13 to rotate again, as the second internal thread sleeve 13 and the third internal thread sleeve 14 are both sleeved with the belt pulley 16, and the two belt pulleys 16 are sleeved with the same belt, the third internal thread sleeve 14 rotates synchronously with the rotation of the second internal thread sleeve 13, so that the two second screws 15 in the second internal thread sleeve 13 and the third internal thread sleeve 14 are screwed in and extend out of the second internal thread sleeve 13 and the third internal thread sleeve 14, then the two second screws 15 drive the round rod 9 to move up and down, and then the round rod 9 drives the level body 1 on the placing frame 10 to move up and down, can also rotate first internal thread sleeve 6 simultaneously, along with two first screw rods 5 in the first internal thread sleeve 6 are continuous to be kept away from or are close to, second disc 3 will use two articulated mast 4 to rotate as the centre of a circle to can make surveyor's level body 11 present different inclination, the utility model discloses the practicality is high, can adjust according to the timely height and the angle to the surveyor's level of actual conditions, brings the convenience for measurement.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A BDS surveyor's level for engineering survey, includes tripod (1), its characterized in that: the top of the tripod (1) is rotatably provided with a first disc (2), a second disc (3) is arranged above the first disc (2), one side of the first disc (2) close to the second disc (3) is hinged with a hinge rod (4), one ends of the two hinge rods (4) close to each other are hinged with each other, one side of the first disc (2) close to the second disc (3) is hinged with a first screw (5), the two first screw (5) are sleeved with a same first internal thread sleeve (6), the top of the second disc (3) is fixedly provided with a cylinder (7), the top of the cylinder (7) is provided with a circular groove (8), a circular rod (9) is slidably arranged in the circular groove (8), the top of the circular rod (9) extends to the outside of the circular groove (8) and is fixedly provided with a placing rack (10), the water level gauge is characterized in that a level gauge body (11) is fixedly mounted on the placing frame (10), two rotating grooves (12) are formed in the inner wall of the bottom of the circular groove (8), a second internal thread sleeve (13) and a third internal thread sleeve (14) are respectively rotatably mounted in the two rotating grooves (12), second screws (15) are respectively and uniformly in threaded connection with the inside of the second internal thread sleeve (13) and the inside of the third internal thread sleeve (14), the top ends of the two second screws (15) respectively extend to the outside of the second internal thread sleeve (13) and the third internal thread sleeve (14) and are fixedly connected with the bottom of the circular rod (9), belt pulleys (16) are respectively and fixedly mounted on the second internal thread sleeve (13) and the third internal thread sleeve (14), a first bevel gear (17) is fixedly mounted on the second internal thread sleeve (13), and the same belt is sleeved on the two belt pulleys (16), seted up rotation hole (18) on one side inner wall of circular slot (8), rotation hole (18) internal rotation is installed pivot (19), the one end that pivot (19) are close to second internal thread sleeve (13) extends to circular slot (8) in and fixed mounting has second conical gear (20), second conical gear (20) and first conical gear (17) intermeshing.

2. A BDS level for engineering survey according to claim 1, wherein: one end of the rotating shaft (19) far away from the second bevel gear (20) extends out of the rotating hole (18) and is fixedly provided with an adjusting nut.

3. A BDS level for engineering survey according to claim 1, wherein: the bearing is arranged in the rotating hole (18), the outer ring of the bearing is fixedly connected with the inner wall of the rotating hole (18), and the inner ring of the bearing is fixedly sleeved on the rotating shaft (19).

4. A BDS level for engineering survey according to claim 1, wherein: the dust ring is fixedly installed in the circular groove (8), and the circular rod (9) is connected with the inner wall of the dust ring in a sliding mode.

5. A BDS level for engineering survey according to claim 1, wherein: the top of tripod (1) has been seted up the circular slot, the rotation post is installed to the circular slot internal rotation, the top of rotating the post extends to outside the circular slot and with the bottom fixed connection of first disc (2).

6. A BDS level for engineering survey according to claim 1, wherein: the limiting grooves are formed in the two sides of the round rod (9), two L-shaped limiting rods are fixedly mounted at the top of the cylinder (7), and one ends, close to each other, of the two L-shaped limiting rods are connected with the inner walls of the corresponding limiting grooves in a sliding mode.