Surveying instrument support with stable structure

Abstract

The utility model discloses a surveying and mapping instrument support with a stable structure, which comprises a connecting seat, a supporting part, a driving part and a surveying and mapping part, the supporting part is rotatably arranged at the bottom of the connecting seat and comprises a supporting arm and a driving arm, the driving part is arranged inside the connecting seat, and the surveying and mapping part is arranged on the supporting arm. The driving part comprises a driven bevel gear, a driving bevel gear, a lead screw and a lifting block, the surveying and mapping part is arranged at the top of the lead screw, and the surveying and mapping part comprises a placement table arranged on the lead screw and a surveying and mapping instrument body arranged at the top of the placement table. By arranging the driving part, when the support is used, the driven bevel gear is driven by the driving bevel gear to rotate, so that the rotating driven bevel gear can drive the lead screw to move up and down, the lifting block and the placing table can move up and down at the same time, and the connecting seat after the support is unfolded descends relative to the horizontal position before the support is unfolded; therefore, the gravity center of the whole support is lowered, and the structure of the support is stable.

Description

Technical Field

[0001] The utility model relates to the technical field of measurement, in particular to a surveying and mapping instrument bracket with a stable structure. Background Art

[0002] Surveying and mapping refers to the measurement, collection and mapping of the shape, size, spatial position and attributes of natural geographical elements or artificial facilities on the surface. In the process of surveying and mapping, relevant surveying and measuring equipment is generally needed. Surveying and mapping instruments are instruments and devices designed and manufactured for surveying and mapping operations, such as data collection, processing and output. They are various instruments for orientation, distance measurement, angle measurement, height measurement, mapping and photogrammetry required for surveying work in the planning, design, construction and management stages of engineering construction.

[0003] When the existing surveying and mapping instrument bracket is in use, since the main components are located on the top of the bracket, the center of gravity of the bracket is too high after it is unfolded, and the structure is unstable. Utility Model Content

[0004] The utility model aims to provide a surveying instrument bracket with a stable structure to solve the problem that the existing surveying instrument bracket proposed in the above background technology has a high center of gravity and unstable structure after being unfolded because the main components are located at the top of the bracket when in use.

[0005] To achieve the above purpose, the utility model provides the following technical solutions: a surveying and mapping instrument bracket with a stable structure, including a connecting seat, a supporting part, a driving part and a surveying and mapping part:

[0006] The support parts are provided with three, and the three support parts are rotatably provided at the bottom of the connecting seat. The support part includes a support arm rotatably connected to the bottom of the connecting seat and a driving arm rotatably connected to the support arm. The driving part is provided inside the connecting seat. The driving part includes a driven bevel gear rotatably provided inside the connecting seat, a driving bevel gear meshing with the driven bevel gear, a screw rod passing through the driven bevel gear and threadedly connected thereto, and a lifting block provided at the bottom of the screw rod. The lifting block is rotatably connected to the driving arm on all sides, and the rotation of the driven bevel gear drives the screw rod to rise to drive the lifting block to push the driving arm to expand. The surveying and mapping part is provided on the top of the screw rod, and the surveying and mapping part includes a placing table provided on the screw rod and a surveying instrument body provided on the top of the placing table.

[0007] By adopting the above technical solution, when the bracket is in use, the driven bevel gear can be driven to rotate by the driving bevel gear, so that the rotating driven bevel gear can drive the screw rod to move up and down, so that the lifting block and the placement table can move up and down at the same time, and the lifting block can drive the driving arm to rotate, so that the driving arm pushes the supporting arm to unfold, and the connecting seat of the bracket after unfolding is lowered relative to the horizontal position before unfolding, so that the overall center of gravity of the bracket is lowered, making the structure of the bracket stable.

[0008] Preferably, three rotation grooves a are formed around the connection seat, and the top of the support arm is embedded in the rotation groove a and is rotationally connected thereto.

[0009] By adopting the above technical solution, the support arm can be rotated and unfolded along the rotating groove a.

[0010] Preferably, the support portion includes a support arm and a driving arm rotatably connected to the inner side of the support arm, three rotation slots d are provided around the lifting block, and one end of the driving arm is embedded in the rotation slot d and rotatably connected thereto.

[0011] By adopting the above technical solution, the up and down movement of the lifting block can drive the driving arm to rotate, so that the driving arm can drive the supporting arm to rotate.

[0012] Preferably, the driving part includes a driven bevel gear, a driving bevel gear and a crank handle arranged at one end of the driving bevel gear, a rotation groove b is opened inside the connecting seat, the driven bevel gear is embedded in the rotation groove b and is rotationally connected thereto, a rotation groove c is opened on one side of the connecting seat, the crank handle is embedded in the rotation groove c and is rotationally connected thereto.

[0013] By adopting the above technical solution, the driving bevel gear can be driven to rotate by turning the crank, so that the driving bevel gear can mobilize the driven bevel gear to rotate inside the connecting seat.

[0014] Preferably, the driving part comprises a driven bevel gear and a screw rod, a through thread groove is provided inside the driven bevel gear, and the screw rod passes through the thread groove and is threadedly connected to the driven bevel gear.

[0015] By adopting the above technical solution, the driven bevel gear can drive the lead screw to move up and down when rotating.

[0016] Preferably, the bottom of the screw rod is fixedly connected to the top of the lifting block, and the top of the screw rod is fixedly connected to the bottom of the placement table.

[0017] By adopting the above technical solution, the lifting block and the placing table can be driven to move up and down at the same time when the screw rod moves up and down.

[0018] Preferably, limiting rods are provided on both sides of the bottom of the placing platform, and a limiting groove is provided on the top of the connecting seat, and the limiting rods pass through the limiting groove and are slidably connected thereto.

[0019] By adopting the above technical solution, the limiting rod can be moved up and down along the limiting groove 104 .

[0020] Compared with the prior art, the beneficial effect of the utility model is that by providing a driving part, when the bracket is in use, the driven bevel gear can be driven to rotate by the driving bevel gear, so that the rotating driven bevel gear can drive the screw rod to move up and down, so that the lifting block and the placement table can move up and down at the same time, so that the connecting seat of the bracket after unfolding is lowered relative to the horizontal position before unfolding, so that the center of gravity of the whole bracket after unfolding is lowered, and the structure of the bracket is stable when it is placed. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the overall structure of this application;

[0022] Figure 2 This is a schematic diagram of the cross-sectional structure of the entire application;

[0023] Figure 3 This is a schematic diagram of the overall storage structure of this application;

[0024] Figure 4 This is a schematic diagram of the structure of the drive unit of this application;

[0025] Figure 5 This is a schematic diagram of the connection structure between the driven bevel gear and the driving bevel gear of this application;

[0026] Figure 6 This is a schematic diagram of the connection seat structure of this application.

[0027] In the figure: 1. connecting seat; 101. rotating slot a; 102. rotating slot b; 103. rotating slot c; 104. limiting slot; 2. supporting part; 201. supporting arm; 202. driving arm; 3. driving part; 301. driven bevel gear; 302. driving bevel gear; 303. crank handle; 304. screw rod; 305. lifting block; 306. rotating slot d; 4. surveying and mapping part; 401. placing table; 402. limiting rod; 403. surveying and mapping instrument body. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] Embodiment 1

[0030] A surveying and mapping instrument bracket with a stable structure comprises a connecting seat 1, a supporting part 2, a driving part 3 and a surveying and mapping part 4:

[0031] The connection base 1 is provided with three rotation grooves a101 around it, and three support parts 2 are provided. The three support parts 2 are rotatably provided at the bottom of the connection base 1. The top of the support arm 201 is embedded in the rotation groove a101 and is rotatably connected thereto, so that the support arm 201 can be rotated and unfolded along the rotation groove a101. A driving arm 202 is rotatably connected to one side of the support arm 201. A driving part 3 is provided inside the connection base 1. A driven bevel gear 301 is rotatably provided inside the connection base 1. A screw rod 304 passes through the driven bevel gear 301 and is threadedly connected thereto. The screw rod 304 A lifting block 305 is fixed to the bottom of 4 by welding, and the lifting block 305 is rotatably connected to the driving arm 202. The driven bevel gear 301 rotates to drive the screw rod 304 to rise to drive the lifting block 305 to push the driving arm 202 to unfold. The surveying and mapping part 4 is arranged on the top of the screw rod 304. The surveying and mapping part 4 includes a placement table 401 arranged on the screw rod 304 and a surveying and mapping instrument body 403 arranged on the top of the placement table 401. After the bracket is unfolded, the connecting seat 1 is lowered relative to the horizontal position before the unfolding, so that the overall center of gravity of the bracket is lowered after the unfolding, so that the structure of the bracket is stable.

[0032] Embodiment 2

[0033] See also Figure 2 , Figure 3 and Figure 4 The utility model provides a technical solution: a surveying instrument bracket with a stable structure, including a support part 2, a support arm 201 and a driving arm 202:

[0034] The inner side of the support arm 201 is rotatably connected to one end of the driving arm 202. Three rotating grooves d306 are provided around the lifting block 305. One end of the driving arm 202 is embedded in the rotating groove d306 and is rotatably connected thereto. The lifting block 305 can move up and down to drive the driving arm 202 to rotate, so that the driving arm 202 can drive the support arm 201 to rotate.

[0035] Embodiment 3

[0036] See also Figure 3 , Figure 4 and Figure 5 The utility model provides a technical solution: a surveying instrument bracket with a stable structure, including a driving part 3, a driven bevel gear 301 and a driving bevel gear 302:

[0037] A rotating groove b102 is provided inside the connecting base 1, and the driven bevel gear 301 is embedded in the rotating groove b102 and is rotationally connected thereto. A rotating groove c103 is provided on one side of the connecting base 1, and the crank 303 is embedded in the rotating groove c103 and is rotationally connected thereto. The driving bevel gear 302 can be driven to rotate by turning the crank 303, so that the driving bevel gear 302 can mobilize the driven bevel gear 301 to rotate inside the connecting base 1. Three rotating grooves d306 are provided around the lifting block 305, and one end of the driving arm 202 is embedded in the rotating groove d306 and is rotationally connected thereto. The lifting block 305 can be moved up and down to drive the driving arm 202 to rotate, so that the driving arm 202 can drive the support arm 201 to rotate. The top of the screw rod 304 is connected to the bottom of the placing table 401 by welding, so that the placing table 401 can be driven to move up and down at the same time as the screw rod 304 moves up and down.

[0038] Embodiment 4

[0039] See also Figure 3 , Figure 4 and Figure 5 The utility model provides a technical solution: a surveying and mapping instrument bracket with a stable structure, including a surveying and mapping unit 4 and a placement table 401:

[0040] Limit rods 402 are arranged on both sides of the bottom of the placing table 401, and a limit slot 104 is provided on the top of the connecting seat 1. The limit rods 402 pass through the limit slot 104 and are slidably connected thereto, so that the limit rods 402 can move up and down along the limit slot 104. A surveying instrument body 403 is arranged on the top of the placing table 401 to complete the surveying and mapping operation.

[0041] Working principle: First, when unfolding the bracket, shaking the crank handle 303 drives the driving bevel gear 302 to rotate, so that the driving bevel gear 302 mobilizes the driven bevel gear 301 to rotate inside the connecting seat 1, and the driving bevel gear 302 drives the driven bevel gear 301 to rotate, so that the rotating driven bevel gear 301 can drive the screw rod 304 to move up and down, so that the lifting block 305 and the placement table 401 can move up at the same time, and the lifting block 305 can drive the driving arm 202 to rotate when moving, so that the driving arm 202 can drive the support arm 201 to rotate and unfold, and the connecting seat 1 after the bracket is unfolded is lowered relative to the horizontal position before unfolding, thereby lowering the center of gravity of the entire bracket, so that the structure of the bracket is stable when unfolded and placed.

[0042] 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 variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A surveying instrument bracket with a stable structure, characterized in that: include: Connecting seat (1); A support part (2), wherein three support parts (2) are provided, and the three support parts (2) are rotatably provided at the bottom of the connection seat (1), and the support part (2) comprises a support arm (201) rotatably connected to the bottom of the connection seat (1) and a drive arm (202) rotatably connected to the support arm (201); A driving part (3), the driving part (3) being arranged inside the connecting seat (1), the driving part (3) comprising a driven bevel gear (301) rotatably arranged inside the connecting seat (1), a driving bevel gear (302) meshingly connected to the driven bevel gear (301), a screw rod (304) passing through the driven bevel gear (301) and being threadedly connected thereto, and a lifting block (305) arranged at the bottom of the screw rod (304), the lifting block (305) being rotatably connected to the driving arm (202) on all sides, the driven bevel gear (301) rotating to drive the screw rod (304) to rise, thereby driving the lifting block (305) to push the driving arm (202) to unfold; A surveying and mapping unit (4), wherein the surveying and mapping unit (4) is arranged on the top of the screw rod (304), and the surveying and mapping unit (4) comprises a placement platform (401) arranged on the screw rod (304) and a surveying and mapping instrument body (403) arranged on the top of the placement platform (401).

2. The surveying instrument support with a stable structure according to claim 1, characterized in that: Three rotation grooves a (101) are provided around the connection seat (1), and the top of the support arm (201) is embedded in the rotation groove a (101) and is rotationally connected thereto.

3. The surveying instrument support with a stable structure according to claim 1, characterized in that: The support portion (2) comprises a support arm (201) and a driving arm (202) rotatably connected to the inner side of the support arm (201); three rotation slots d (306) are provided around the lifting block (305); one end of the driving arm (202) is embedded in the rotation slot d (306) and rotatably connected thereto.

4. The surveying instrument support with a stable structure according to claim 1, characterized in that: The driving part (3) comprises a driven bevel gear (301), a driving bevel gear (302) and a crank (303) arranged at one end of the driving bevel gear (302); a rotation groove b (102) is provided inside the connecting seat (1); the driven bevel gear (301) is embedded in the rotation groove b (102) and is rotationally connected thereto; a rotation groove c (103) is provided on one side of the connecting seat (1); the crank (303) is embedded in the rotation groove c (103) and is rotationally connected thereto.

5. The surveying instrument support with a stable structure according to claim 1, characterized in that: The driving part (3) comprises a driven bevel gear (301) and a screw rod (304); a through thread groove is provided inside the driven bevel gear (301); and the screw rod (304) passes through the thread groove and is threadedly connected to the driven bevel gear (301).

6. The surveying instrument support with a stable structure according to claim 1, characterized in that: The bottom of the screw rod (304) is fixedly connected to the top of the lifting block (305), and the top of the screw rod (304) is fixedly connected to the bottom of the placement platform (401).

7. The surveying instrument support with a stable structure according to claim 6, characterized in that: Limiting rods (402) are arranged on both sides of the bottom of the placing platform (401), and a limiting groove (104) is provided on the top of the connecting seat (1), and the limiting rod (402) passes through the limiting groove (104) and is slidably connected thereto.

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