CN220320914U

CN220320914U - Survey and drawing support with adjustable

Info

Publication number: CN220320914U
Application number: CN202321867425.3U
Authority: CN
Inventors: 闫朝晖; 任斌; 秦文瑞; 李雪
Original assignee: Shanxi Siyang Kechuang Land Survey Co ltd
Current assignee: Shanxi Siyang Kechuang Land Survey Co ltd
Priority date: 2023-07-14
Filing date: 2023-07-14
Publication date: 2024-01-09
Anticipated expiration: 2033-07-14

Abstract

The utility model provides an adjustable mapping bracket, and relates to the technical field of mapping brackets. The adjustable mapping support comprises a support disc, wherein the top of the support disc is rotationally connected with a gear ring, three gears are connected with the outer side of the gear ring in a meshed mode, a rotating shaft is fixedly connected to the bottom of the gear, a first bevel gear is fixedly connected to the bottom of the rotating shaft, a second bevel gear is connected to one side of the first bevel gear in a meshed mode, and a rotating rod is fixedly connected to one side of the second bevel gear. This survey and drawing support with adjustable, first bevel gear rotates and drives second bevel gear and rotate, and second bevel gear rotates and drives the dwang and rotate, and the dwang rotates and drives the bracing piece and rotate, and three bracing piece that the annular of regulation distributes is opened or is contracted simultaneously, and this structure is useful for quick opening three bracing piece, simple structure, convenient operation need not two bracing pieces of artifical both hands simultaneous pulling, adjusts supporting angle, uses manpower sparingly.

Description

Survey and drawing support with adjustable

Technical Field

The utility model relates to an adjustable mapping bracket, in particular to an adjustable mapping bracket, and belongs to the technical field of mapping brackets.

Background

Land measurement is a precondition of land resource utilization, long-term development of society can be realized only by reasonably planning land resources after measurement, and in the actual land mapping process, theodolites are used for ranging, and the theodolites are supported by tripods.

The utility model according to patent number CN 212617327U discloses an adjustable mapping bracket for land mapping, which comprises a supporting plate, an adjusting device, a horizontal device, a supporting rod and a placing frame, wherein the adjusting device is arranged on the supporting plate, the horizontal device is arranged on the supporting plate, the adjusting device comprises a connecting piece, a connecting rod, supporting legs, rotating support legs and a rubber packing pad, the connecting rod is hinged on the connecting piece, the supporting legs are hinged on the connecting rod, the rotating support legs are in threaded connection on the supporting legs, the rubber packing pad is arranged on the rotating support legs, the horizontal device comprises a roller, a hemispherical base, a threaded hole, a plumb line and a counterweight, the roller is arranged on the supporting plate, the hemispherical base is arranged on the roller, the threaded hole is arranged on the hemispherical base, the plumb line is arranged on the hemispherical base, and the counterweight is arranged on the plumb line. The utility model belongs to the technical field of land measurement equipment, and particularly relates to an adjustable mapping bracket capable of adjusting the height and used for land mapping.

The following problems exist in the above comparison document when the mapping bracket is used, three supporting rods of the mapping bracket cannot be simultaneously unfolded, the bracket is required to be manually unfolded, the angle for unfolding the bracket is single, the bracket is not fixed, and the bracket is easy to shake and unstable when impacted by external force.

Disclosure of Invention

(one) solving the technical problems

The utility model aims to solve the problems that three struts of the surveying and mapping support cannot be simultaneously unfolded, the support is required to be manually unfolded, the unfolding angles of the support are single, the support is not fixed, and the support is easy to shake and unstable when being impacted by external force.

(II) technical scheme

The utility model is realized by the following technical scheme: the utility model provides a survey and drawing support with adjustable, includes the supporting disk, the supporting disk top rotates and is connected with the ring gear, the meshing of ring gear outside is connected with three gear, gear bottom fixedly connected with axis of rotation, the first bevel gear of axis of rotation bottom fixedly connected with, first bevel gear one side meshing is connected with second bevel gear, second bevel gear one side fixedly connected with dwang, dwang rotate and drive the bracing piece and rotate, and three bracing piece that the while regulation annular distributes opens or contracts, and this structure is of value to quick opening three bracing piece, simple structure, and convenient operation need not two bracing pieces of manual work both hands simultaneous pulling, adjusts support angle, uses manpower sparingly, dwang outside fixedly connected with bracing piece, the ring gear outside is provided with spacing subassembly.

Preferably, the limiting assembly comprises a clamping plate, the clamping plate is arranged on one side of the gear ring, elastic sheets are fixedly connected to two sides of the clamping plate, the cross section of the clamping plate is shaped as a T, and the clamping plate is used for limiting the gear ring, so that the gear ring is prevented from rotating.

Preferably, the limiting assembly further comprises a spring, the spring is fixedly connected to one side of the clamping plate, one end of the spring is fixedly connected with a supporting frame, the supporting frame is fixedly connected to the top of the supporting plate, and the spring is used for driving the clamping plate to move fast and clamped into the gear ring.

Preferably, the limiting assembly further comprises two limiting clamping grooves, the two limiting clamping grooves are respectively formed in two sides of the supporting frame, the elastic sheet is matched with the limiting clamping grooves, and the elastic sheet is limited by the limiting clamping grooves.

Preferably, the support rods are distributed in a ring shape, and the rotating shafts penetrate through the support disc and are connected with the support disc in a rotating mode.

Preferably, three cavities are formed in the support disc, and the first bevel gear and the second bevel gear are arranged in the cavities and used for placing the first bevel gear and the second bevel gear through the cavities.

Preferably, three strip-shaped grooves are formed in the outer side of the supporting disc, and the rotating rod is arranged in the strip-shaped grooves.

The utility model provides an adjustable mapping bracket which has the following beneficial effects:

1. this survey and drawing support with adjustable, first bevel gear rotates and drives second bevel gear and rotate, and second bevel gear rotates and drives the dwang and rotate, and the dwang rotates and drives the bracing piece and rotate, and three bracing piece that the annular of regulation distributes is opened or is contracted simultaneously, and this structure is useful for quick opening three bracing piece, simple structure, convenient operation need not two bracing pieces of artifical both hands simultaneous pulling, adjusts supporting angle, uses manpower sparingly.

2. This survey and drawing support with adjustable, in spacing draw-in groove received the space that the inside both sides of braced frame were reserved, the cardboard received the quick card of elasticity of spring to go into ring gear one side and carry out spacingly to the ring gear this structure is useful for fixing and spacing the angle after the bracing piece was adjusted, avoids the survey and drawing support not stable enough, takes place to rock.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is an enlarged view of the portion A of FIG. 1 in accordance with the present utility model;

FIG. 3 is a schematic view of the structure of the ring gear of the present utility model;

FIG. 4 is a schematic view of the spring structure of the present utility model.

[ Main reference numerals Specification ]

1. A support plate; 2. a gear ring; 3. a gear; 4. a rotating shaft; 5. a first bevel gear; 6. a second bevel gear; 7. a rotating lever; 8. a support rod; 9. a clamping plate; 10. a spring plate; 11. a spring; 12. a support frame; 13. a limit clamping groove; 14. a bar-shaped groove.

Detailed Description

The embodiment of the utility model provides an adjustable mapping bracket.

Please refer to fig. 1, fig. 2, fig. 3 and fig. 4, including supporting plate 1, the top rotation of supporting plate 1 is connected with ring gear 2, and the outside meshing of ring gear 2 is connected with three gear 3, and gear 3 bottom fixedly connected with axis of rotation 4, axis of rotation 4 bottom fixedly connected with first bevel gear 5, first bevel gear 5 one side meshing is connected with second bevel gear 6, and second bevel gear 6 one side fixedly connected with dwang 7, dwang 7 outside fixedly connected with bracing piece 8, and the outside of ring gear 2 is provided with spacing subassembly.

The bracing piece 8 presents annular distribution, and axis of rotation 4 runs through supporting disk 1 and rotates with supporting disk 1 to be connected, and supporting disk 1 inside is provided with three cavity, and first bevel gear 5 and second bevel gear 6 all set up inside the cavity, through setting up the cavity for place first bevel gear 5 and second bevel gear 6, three bar groove 14 has been seted up in the supporting disk 1 outside, and dwang 7 sets up inside bar groove 14.

Limiting component includes cardboard 9, cardboard 9 sets up in ring gear 2 one side, the equal fixedly connected with shell fragment 10 in cardboard 9 both sides, the cross-sectional shape of cardboard 9 sets up to the T shape, be used for spacing ring gear 2 through setting up cardboard 9, avoid ring gear 2 to take place to rotate, limiting component still includes spring 11, spring 11 fixed connection is in cardboard 9 one side, spring 11 one end fixedly connected with braced frame 12, braced frame 12 fixed connection is in braced disk 1 top, be used for driving the quick card of cardboard 9 motion through setting up spring 11 and go into in ring gear 2, limiting component still includes two spacing draw-in grooves 13, two spacing draw-in grooves 13 are seted up respectively in braced frame 12 both sides, shell fragment 10 and spacing draw-in groove 13 looks adaptation, it is spacing to shell fragment 10 through setting up spacing draw-in groove 13.

The utility model is used when in use: when the mapping support is used, the clamping plate 9 can be pulled to move towards the direction of the supporting frame 12, at the moment, the elastic sheet 10 can shrink when being subjected to extrusion force of the side wall of the supporting frame 12, space which can move when the adaptive elastic sheet 10 is reserved at two sides inside the supporting frame 12 and is folded is reserved until the elastic sheet 10 moves to the position of the limiting clamping groove 13, the two elastic sheets 10 can instantly penetrate through the limiting clamping groove 13 to fix the clamping plate 9, the spring 11 is in a shrinkage state, then the gear ring 2 is rotated, the gear ring 2 rotates to drive the three gears 3 to rotate, the gears 3 rotate to drive the rotating shaft 4 to rotate, the rotating shaft 4 rotates to drive the first bevel gear 5 to rotate, the first bevel gear 5 rotates to drive the second bevel gear 6 to rotate, the second bevel gear 6 rotates to drive the rotating rod 7 to rotate, the rotating rod 7 rotates to drive the supporting rods 8 to rotate, meanwhile, the three supporting rods 8 distributed in a ring mode are adjusted to be expanded or contracted, the structure is beneficial to rapidly open the three supporting rods 8, the structure is simple, the operation is convenient, and two supporting rods 8 do not need to be pulled by both hands at the same time, and the supporting angle is adjusted, and labor is saved.

The utility model is used when in use: after the position adjustment of bracing piece 8 is finished, can press two spacing draw-in grooves 13 this moment, in spacing draw-in groove 13 received the space that the inside both sides of supporting frame 12 reserved this moment, cardboard 9 received the quick card of elasticity of spring 11 to go into ring gear 2 one side and carry out spacingly to ring gear 2 this structure is useful for fixing and spacing the angle after adjusting bracing piece 8, avoids the survey and drawing support not stable enough, takes place to rock.

Working principle: the gear ring 2 rotates to drive the three gears 3 to rotate, the gears 3 rotate to drive the rotating shaft 4 to rotate, the rotating shaft 4 rotates to drive the first bevel gear 5 to rotate, the first bevel gear 5 rotates to drive the second bevel gear 6 to rotate, the second bevel gear 6 rotates to drive the rotating rod 7 to rotate, the rotating rod 7 rotates to drive the supporting rod 8 to rotate, and simultaneously the three supporting rods 8 which are distributed annularly are adjusted to be opened or contracted.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. Survey and drawing support with adjustable, including supporting disk (1), its characterized in that: the novel gear ring is characterized in that the top of the supporting disc (1) is rotationally connected with a gear ring (2), three gears (3) are connected with the outer side of the gear ring (2) in a meshed mode, a rotating shaft (4) is fixedly connected to the bottom of the gears (3), a first bevel gear (5) is fixedly connected to the bottom of the rotating shaft (4), a second bevel gear (6) is connected to one side of the first bevel gear (5) in a meshed mode, a rotating rod (7) is fixedly connected to one side of the second bevel gear (6), a supporting rod (8) is fixedly connected to the outer side of the rotating rod (7), and a limiting assembly is arranged on the outer side of the gear ring (2).

2. An adjustable mapping support according to claim 1, wherein: the limiting assembly comprises a clamping plate (9), the clamping plate (9) is arranged on one side of the gear ring (2), elastic sheets (10) are fixedly connected to two sides of the clamping plate (9), and the cross section of the clamping plate (9) is shaped like a T.

3. An adjustable mapping support according to claim 2, wherein: the limiting assembly further comprises a spring (11), the spring (11) is fixedly connected to one side of the clamping plate (9), one end of the spring (11) is fixedly connected with a supporting frame (12), and the supporting frame (12) is fixedly connected to the top of the supporting disc (1).

4. An adjustable mapping support according to claim 3, wherein: the limiting assembly further comprises two limiting clamping grooves (13), the two limiting clamping grooves (13) are respectively formed in two sides of the supporting frame (12), and the elastic sheet (10) is matched with the limiting clamping grooves (13).

5. An adjustable mapping support according to claim 1, wherein: the support rods (8) are distributed in an annular mode, and the rotating shafts (4) penetrate through the support disc (1) and are connected with the support disc (1) in a rotating mode.

6. An adjustable mapping support according to claim 1, wherein: the support disc (1) is internally provided with three cavities, and the first bevel gear (5) and the second bevel gear (6) are both arranged in the cavities.

7. An adjustable mapping support according to claim 1, wherein: three strip-shaped grooves (14) are formed in the outer side of the supporting disc (1), and the rotating rod (7) is arranged in the strip-shaped grooves (14).