CN110094611A - A kind of geographical mapping instrument lifting device - Google Patents

Abstract

The invention relates to the technical field of geographic surveying and mapping, and discloses a lifting device for an instrument for geographic surveying and mapping. A driven helical gear is fixedly sleeved on the outer wall of the upper end, and a bearing seat is also fixedly connected to the upper end of the tripod body. The bearing seat is rotated and sleeved by a ball bearing with a rotating rod, and one end of the rotating rod is fixedly connected with the driven helical gear. The other end of the rotating rod is fixedly connected with an L-shaped handle, the inner thread of the threaded barrel is connected with a lifting screw, and the upper end of the lifting screw is fixedly connected with a support plate. The present invention can quickly and conveniently adjust the relative height of the surveying instrument body according to the needs of use, which is convenient to use, and does not need to adjust the position of the tripod body again, so that the leveling operation and the height adjustment operation are relatively separated, the operation is simple, and the adjustment efficiency is improved. .

Description

A lifting device for geographic surveying and mapping instruments

technical field

The invention relates to the technical field of geographic surveying and mapping, in particular to a lifting device for a geographic surveying and mapping instrument.

Background technique

Surveying is all about measuring and drawing. Based on computer technology, optoelectronic technology, network communication technology, space science, and information science, with global navigation satellite positioning system, remote sensing, and geographic information system as the core technology, the existing feature points and boundaries on the ground are obtained through measurement methods to reflect the ground. Existing graphics and location information for the planning, design and administrative management of engineering construction.

The current geographic information needs to be measured by a professional geographic surveying and mapping instrument. The current surveying and mapping instrument uses the triangular support frame connected to its bottom to level and adjust the height. When it is leveled, it needs to be adjusted again. Adjust the position and height of the tripod and then need to do the leveling work again. During the process of leveling and height adjustment, the precise requirements of leveling and height cannot be well synchronized. It needs to be adjusted back and forth for many times, which is inconvenient to use. .

SUMMARY OF THE INVENTION

The purpose of the present invention is to solve the problem that the surveying and mapping instrument in the prior art is leveled and adjusted in height through the triangular support frame connected at its bottom. The height and then need to be leveled again. During the process of leveling and height adjustment, the precise requirements of leveling and height cannot be well synchronized. It needs to be adjusted back and forth for many times, which is more inconvenient to use. A lifting device for geographic surveying and mapping instruments.

In order to achieve the above object, the present invention adopts the following technical solutions:

A lifting device for an instrument for geographic surveying and mapping, comprising a tripod body, a through hole is opened at the upper end of the tripod body, and a threaded barrel is rotatably connected in the through hole through a ball bearing, and the outer wall of the upper end of the threaded barrel is fixedly sleeved with a threaded barrel. A moving helical gear, the upper end of the tripod body is also fixedly connected with a bearing seat, a rotating rod is rotatably sleeved in the bearing seat through a ball bearing, and one end of the rotating rod is fixedly connected with an active driving gear that meshes with the driven helical gear. Helical gear, the other end of the rotating rod is fixedly connected with an L-shaped handle, the threaded barrel is threadedly connected with a lifting screw, the upper end of the lifting screw is fixedly connected with a support plate, and the center of the upper end of the support plate passes through the ball The bearing is rotatably connected with a support rod, the upper end of the support rod is fixedly connected with a mounting plate, the upper end of the mounting plate is fixedly connected with two vertical plates symmetrically left and right, and the surfaces of the two vertical plates are provided with screw holes and screw holes. A tightening bolt is threadedly connected in the hole, the opposite ends of the two tightening bolts are rotatably connected with a clamping plate through a ball bearing, and the installation plate is placed with a mapping instrument body.

Preferably, the vertical part of the L-shaped handle and the side wall of the bearing seat are symmetrically provided with limit screw holes and are fixedly connected by limit bolts.

Preferably, the four corners of the lower end of the support plate and the upper end of the tripod body are all fixedly connected with limit telescopic rods.

Preferably, a plurality of positioning rods are evenly and fixedly connected to the upper end of the mounting plate, and a positioning groove corresponding to the positioning rod is formed at the lower end of the surveying instrument body, and a layer of damping rubber pads is filled in the positioning groove.

Preferably, an elastic telescopic rod is fixedly connected to the side wall of the support plate, a pressure plate is fixedly connected to the left end of the elastic telescopic rod, a limit rod is fixedly connected to the right side of the upper end of the pressure plate, and the side wall of the installation plate is uniform A plurality of limit slots corresponding to the limit rods are opened.

Compared with the prior art, the present invention provides a lifting device for geographic surveying and mapping instruments, which has the following beneficial effects:

1. The lifting device of the geographic surveying and mapping instrument, when performing surveying and mapping work, firstly place the surveying and mapping instrument body on the mounting plate, align the positioning groove at the lower end of the surveying and mapping instrument body with the positioning rod on the mounting plate, and insert it. The main body is initially limited, and then the tightening bolts are tightened, and the tightening bolts drive the clamping plate to move so that the clamping plate can firmly clamp the surveying and mapping instrument body, which can realize the stable connection limit of the surveying and mapping instrument body, and then adjust the tripod body. Place the tripod body firmly on the ground and adjust the device to the leveling point. When the height of the surveying instrument body needs to be adjusted for surveying and mapping work, turn the L-shaped handle. The meshing action of the helical gear and the driven helical gear drives the threaded barrel to rotate, and then through the threaded connection between the threaded barrel and the lifting screw, the lifting screw pushes the support plate to move up and down, thereby pushing the surveying instrument body to move up and down, which can be quickly and easily adjusted according to the needs of use. The relative height of the body of the surveying instrument is easy to use, and the position of the tripod body does not need to be adjusted again, so that the leveling operation and the height adjustment operation are relatively separated, the operation is simple, and the adjustment efficiency is improved.

2. The lifting device of the geographic surveying and mapping instrument, through the provided support rod, when the rotation angle of the surveying and mapping instrument body needs to be adjusted, the pressure plate is pulled to make the limit rod escape from the limit groove, and then the mounting plate is rotated to make the surveying and mapping instrument body Rotate to a suitable position, and then fine-tune the position of the mounting plate, so that the limit groove on the side wall of the mounting plate closest to the limit rod moves to the limit rod, release the pressure plate, and the elastic telescopic rod pulls back the pressure plate and then the limit rod. Inserting the limit rod into the limit slot can realize the stable limit of the mounting plate, which can make the main body of the surveying and plotter stably fixed at the designated position, which is convenient for use.

Moreover, the parts not involved in the device are the same as the existing technology or can be realized by using the existing technology. The present invention can quickly and conveniently adjust the relative height of the surveying and plotting instrument body according to the needs of use, which is convenient to use, and does not need to adjust the tripod body again. position, so that the leveling operation and the height adjustment operation are relatively separated, the operation is simple, and the adjustment efficiency is improved.

Description of drawings

1 is a schematic structural diagram of a lifting device for a geographic surveying and mapping instrument proposed by the present invention;

FIG. 2 is a schematic structural diagram of part A of a lifting device for a geographic surveying and mapping instrument proposed by the present invention.

In the picture: 1 tripod body, 2 threaded barrel, 3 driven helical gear, 4 bearing seat, 5 rotating rod, 6 driving helical gear, 7L-shaped handle, 8 lifting screw, 9 supporting plate, 10 supporting rod, 11 mounting plate , 12 vertical plates, 13 tightening bolts, 14 clamping plates, 15 surveying instrument body, 16 positioning rods, 17 positioning grooves, 18 elastic telescopic rods, 19 pressure plates, 20 limit rods, 21 limit grooves.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inside", " The orientation or positional relationship indicated by "outside" is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, so as to The specific orientation configuration and operation are therefore not to be construed as limitations of the present invention.

1-2, a lifting device for a geographic surveying and mapping instrument includes a tripod body 1, the upper end of the tripod body 1 is provided with a through hole, and a threaded barrel 2 is rotatably connected in the through hole through a ball bearing. The upper end of the threaded barrel 2 A driven helical gear 3 is fixedly sleeved on the outer wall, a bearing seat 4 is also fixedly connected to the upper end of the tripod body 1, and a rotating rod 5 is rotatably sleeved in the bearing seat 4 through a ball bearing, and one end of the rotating rod 5 is fixedly connected with the slave. The driving helical gear 6 meshed with the moving helical gear 3, the other end of the rotating rod 5 is fixedly connected with an L-shaped handle 7, the inner thread of the threaded barrel 2 is connected with a lifting screw 8, and the upper end of the lifting screw 8 is fixedly connected with a support plate 9, the support plate A support rod 10 is rotatably connected to the center of the upper end of the support rod 10 through a ball bearing. The upper end of the support rod 10 is fixedly connected with a mounting plate 11 . Both are provided with screw holes, and the screw holes are threadedly connected with tightening bolts 13. The opposite ends of the two tightening bolts 13 are rotatably connected to a clamping plate 14 through a ball bearing.

The vertical part of the L-shaped handle 7 and the side wall of the bearing seat 4 are symmetrically provided with limit screw holes and are fixedly connected by limit bolts, which can stably limit the L-shaped handle 7 and avoid the L-shaped handle being affected by external factors. Affects the problem of rotating and then affecting the stable positioning of the main body 15 of the surveying instrument.

The four corners of the lower end of the support plate 9 and the upper end of the tripod body 1 are fixedly connected with limit telescopic rods, which can prevent the support plate 9 from rotating synchronously with the rotation of the screw 8 and ensure the stability of the structure lifting.

The upper end of the mounting plate 11 is evenly and fixedly connected with a plurality of positioning rods 16, the lower end of the surveying instrument body 15 is provided with positioning grooves 17 corresponding to the positioning rods 16, and a layer of damping rubber pads is filled in the positioning grooves 17, which can be used for the surveying and mapping instrument body. 15 performs an effective preliminary limit, so that the placement of the surveying instrument body 15 is more stable.

The side wall of the support plate 9 is fixedly connected with an elastic telescopic rod 18 , the left end of the elastic telescopic rod 18 is fixedly connected with a pressure plate 19 , the upper end of the pressure plate 19 is fixedly connected to the right side with a limit rod 20 , and the side wall of the mounting plate 11 is evenly opened with a plurality of The limit slot 21 corresponding to the limit rod 20, when the rotation angle of the main body 15 of the surveying instrument needs to be adjusted, the pressing plate 19 is pulled to make the limit rod 20 escape from the limit groove 21, and then the mounting plate 11 is rotated to make the main body of the surveying instrument 15 Rotate to a suitable position, and then fine-tune the position of the mounting plate 11, so that the limit groove 21 of the side wall of the mounting plate 11 closest to the limit rod 20 is moved to the limit rod 20, release the pressure plate 19, and the elastic telescopic rod 18 back Pulling the pressing plate 19 and then pulling back the limit rod 20 to insert the limit rod 20 into the limit slot 21 can realize the stable limit of the mounting plate 11, so that the main body 15 of the surveying instrument can be stably fixed at the designated position, which is convenient for using .

In the present invention, when performing the surveying and mapping work, first place the surveying and mapping instrument body 15 on the mounting plate 11, align the positioning groove 17 at the lower end of the surveying and mapping instrument body 15 with the positioning rod 16 on the mounting plate 11, and insert it. The main body 15 is initially limited, and then the tightening bolts 13 are tightened, and the tightening bolts 13 drive the clamping plate 14 to move, so that the clamping plate 14 firmly clamps the surveying instrument body 15, which can realize the stable connection limit of the surveying instrument body 15. position, and then adjust the tripod body 1 so that the tripod body 1 is firmly placed on the ground and the device is adjusted to the leveling point. When the height of the surveying instrument body 15 needs to be adjusted for surveying and mapping work, turn the L-shaped handle 7, and the L-shaped handle 7. Drive the driving helical gear 6 to rotate through the rotating rod 5, use the meshing action of the driving helical gear 6 and the driven helical gear 3 to drive the threaded barrel 2 to rotate, and then push the lifting screw 8 through the threaded connection between the threaded barrel 2 and the lifting screw 8. The support plate 9 moves up and down to push the surveying instrument body 15 to move up and down, which can quickly and conveniently adjust the relative height of the surveying instrument body 15 according to the needs of use, which is convenient for use, and does not need to adjust the position of the tripod body 1 again, so that the leveling operation and height The adjustment operation is relatively separate, the operation is simple, and the adjustment efficiency is improved. With the support rod 10 provided, when the rotation angle of the main body 15 of the surveying instrument needs to be adjusted, the pressure plate 19 is pulled to make the limit rod 20 escape from the limit groove 21. , and then rotate the mounting plate 11 to make the main body 15 of the surveying instrument rotate to a suitable position, and then fine-tune the position of the mounting plate 11 so that the limit groove 21 of the side wall of the mounting plate 11 closest to the limit rod 20 is moved to the limit rod 20 , release the pressure plate 19, the elastic telescopic rod 18 pulls back the pressure plate 19 and then pulls back the limit rod 20, so that the limit rod 20 is inserted into the limit slot 21, the stable limit of the installation plate 11 can be realized, and the main body of the surveying instrument can be fixed. 15 firmly fixed in the designated position, easy to use.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. The equivalent replacement or change of the inventive concept thereof shall be included within the protection scope of the present invention.

Claims (5)

1. An instrument lifting device for geographic surveying and mapping, comprising a tripod body (1), characterized in that the upper end of the tripod body (1) is provided with a through hole and a threaded barrel ( 2), the upper end outer wall of the threaded barrel (2) is fixedly sleeved with a driven helical gear (3), and the upper end of the tripod body (1) is also fixedly connected with a bearing seat (4), the bearing seat ( 4) A rotating rod (5) is rotatably sleeved through the ball bearing, and one end of the rotating rod (5) is fixedly connected with a driving helical gear (6) meshing with the driven helical gear (3). 5) An L-shaped handle (7) is fixedly connected to the other end, a lifting screw (8) is connected to the inner thread of the threaded barrel (2), and a support plate (9) is fixedly connected to the upper end of the lifting screw (8), The center of the upper end of the support plate (9) is rotatably connected with a support rod (10) through a ball bearing, the upper end of the support rod (10) is fixedly connected with a mounting plate (11), and the upper end of the mounting plate (11) Two vertical plates (12) are fixedly connected to the left and right symmetrically, the surfaces of the two vertical plates (12) are both provided with screw holes, and the inner threads of the screw holes are connected with tightening bolts (13), and the two tightening bolts (13) ) are rotatably connected with a clamping plate (14) through ball bearings, and a surveying instrument body (15) is placed on the mounting plate (11). 2 . The lifting device for geographic surveying and mapping instruments according to claim 1 , wherein the vertical part of the L-shaped handle ( 7 ) and the side wall of the bearing seat ( 4 ) are symmetrically provided with limited screw holes and 2 . The connection is fixed by the limit bolt. 3. The lifting device for a geographic surveying and mapping instrument according to claim 1, wherein the four corners of the lower end of the support plate (9) and the upper end of the tripod body (1) are all fixedly connected to limit expansion and contraction rod. 4. The lifting device for a geographic surveying and mapping instrument according to claim 1, wherein a plurality of positioning rods (16) are evenly and fixedly connected to the upper end of the mounting plate (11), and the surveying and mapping instrument body (15) The lower end of the ) is provided with a positioning groove (17) corresponding to the positioning rod (16), and a layer of damping rubber pad is filled in the positioning groove (17). 5 . The lifting device for a geographic surveying and mapping instrument according to claim 1 , wherein an elastic telescopic rod ( 18 ) is fixedly connected to the side wall of the support plate ( 9 ), and the elastic telescopic rod ( 18 ) A pressure plate (19) is fixedly connected to the left end of the pressure plate (19), a limit rod (20) is fixedly connected to the upper right side of the pressure plate (19), and a plurality of limit rods (20) are evenly opened on the side wall of the mounting plate (11). ) corresponding to the limit slot (21).