Surveying tripod with stable structure

Abstract

The utility model discloses a surveying and mapping tripod with stable structure, including surveying and mapping appearance placing table, the bottom of surveying and mapping appearance placing table is provided with three support legs, and every support leg respectively includes sleeve pipe, first telescopic section and second telescopic section, the sleeve pipe between every support leg is connected through stabilizer, the sleeve pipe with first telescopic section between is provided with first joint locking mechanism, first telescopic section and second telescopic section between are provided with second joint locking mechanism. First section full -carbon fiber openwork design, combines aluminum alloy reasonable segmentation, the overall weight falls to 1.5kg 2.8kg, is significantly lower than similar product. Three -section type design realizes super -short contraction length 0.5m 0.7m, is convenient for narrow space operation and backpack carrying.

Description

Technical Field

[0001] This utility model relates to a surveying tripod with a stable structure, and more particularly to a lightweight, foldable and stable surveying tripod suitable for field operations, belonging to the technical field of surveying instrument support equipment. Background Technology

[0002] In the field of engineering surveying, total stations, levels, and theodolites often require the use of tripods. A tripod uses three supporting legs that directly contact or insert into the ground, forming a triangle for support. Its primary function is to stably hold the surveying equipment, serving as an essential basic platform for its use. When working under conditions of limited weather or geographical constraints, requiring accurate leveling and centering, the instrument needs to remain stable for extended periods, enabling long-term fieldwork. However, existing tripods, due to their lightweight chassis, are not easily fixed stably, introducing instability into instrument operation and easily causing bubble shift and displacement. Using two-section wooden or aluminum alloy legs for retraction is a solution. An aluminum alloy tripod weighs approximately 2.5kg to 5kg, while a wooden tripod weighs approximately 3kg to 6kg. Both have a retracted length of approximately 0.9m to 1.2m and an extended length of approximately 2m to 2.5m. The existing tripods suffer from the following technical limitations: 1. Most existing tripods are two-section designs, making it difficult to achieve lightweight design in terms of retracted and extended length and weight; 2. Existing products lack stability in soft soil, slopes, and strong winds; 3. The joint locking mechanism is prone to wear and tear, and after long-term use, it is likely to loosen and rust, requiring frequent maintenance. Therefore, existing tripods need to be improved to ensure they are easy for surveyors to carry and to enhance their stability. Utility Model Content

[0003] The purpose of this invention is to overcome the above-mentioned technical deficiencies and propose a surveying tripod with a stable structure, which reduces the volume of the tripod after shrinkage, making it easy to carry and use flexibly, and improving its stability and wind resistance, thereby reducing the risk of sinking or sliding.

[0004] The technical solution adopted by this utility model is as follows: a surveying tripod with a stable structure, including a surveying instrument placement platform; the bottom of the surveying instrument placement platform is provided with three legs, characterized in that: each of the legs includes a sleeve, a first telescopic joint and a second telescopic joint; the sleeves of each leg are connected by a stabilizing rod; a first joint locking mechanism is provided between the sleeve and the first telescopic joint; a second joint locking mechanism is provided between the first telescopic joint and the second telescopic joint.

[0005] Furthermore, a hinge platform is provided at the bottom of the surveying instrument placement platform; the upper end of the sleeve is rotatably connected to the hinge platform.

[0006] Furthermore, the end of the stabilizer bar is provided with a connector; a screw hole is opened on the inner side of the connector; a through hole is opened in the sleeve; the through hole corresponds to the screw hole.

[0007] Furthermore, a handle is provided on the outer side of the sleeve; a screw is provided on the inner side of the handle; the screw passes through the through hole and is connected to the screw hole.

[0008] Furthermore, the sleeve is a hollow tube made of carbon fiber; the first and second expansion joints are both made of aluminum alloy.

[0009] Furthermore, the first joint locking mechanism includes a first seat; the first seat is disposed at the end of the sleeve; a positioning screw is spirally connected inside the first seat; and a positioning screw hole is provided on the first telescopic joint relative to the positioning screw.

[0010] Furthermore, the second joint locking mechanism includes an elastic block disposed on the surface of the second telescopic joint; a groove is disposed on the inner side of the first telescopic joint relative to the elastic block.

[0011] This utility model has the following beneficial effects: 1. Ultra-lightweight and portable: It features an innovative full carbon fiber hollow design combined with a rationally segmented aluminum alloy, reducing the overall weight to 1.5kg-2.8kg, significantly lower than similar products. The three-section design achieves an ultra-short retractable length of 0.5m-0.7m, facilitating operation in confined spaces and backpack carrying.

[0012] 2. Superior Stability: The innovative waist-mounted triangular stabilizing connecting rod device forms a rigid truss structure, significantly improving the overall torsional stiffness and lateral stability, effectively resisting wind load swaying; by dispersing the leg load and increasing the effective ground contact area, it greatly improves the ability to resist subsidence in soft soil and sandy land; by constraining the leg angle and increasing ground contact constraints, it effectively prevents sliding on slopes and ensures the accuracy of surveying under complex geological conditions.

[0013] 3. Reliable and durable: The optimized joint locking mechanism, made of wear-resistant and rust-proof materials, ensures long-term reliability and reduces maintenance requirements.

[0014] 4. Overall benefits: It resolves the contradiction between portability and stability, reduces rework caused by instrument instability, improves work efficiency, and reduces the consumption of manpower and material resources. It is especially suitable for long-distance field and complex environment surveying tasks. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0016] Figure 2 This is a schematic diagram of the fixing structure of the stabilizer bar and the sleeve.

[0017] Figure 3 This is a schematic diagram of the first joint locking mechanism.

[0018] Figure 4 This is a schematic diagram of the second joint locking mechanism.

[0019] Wherein: 1 is the surveying instrument placement platform, 2 is the sleeve, 3 is the first expansion joint, 4 is the second expansion joint, 5 is the stabilizing rod, 5-1 is the connector, 5-11 is the screw hole, 6 is the hinge platform, 7 is the handle, 8 is the screw, 9 is the first base, 10 is the positioning screw, 11 is the elastic block, and 12 is the slot. Detailed Implementation

[0020] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0021] See Figures 1-4 This application discloses a surveying tripod with a stable structure, including a surveying instrument placement platform 1; the bottom of the surveying instrument placement platform 1 is provided with three legs, each of the legs including a sleeve 2, a first telescopic joint 3 and a second telescopic joint 4; the sleeves 2 of each leg are connected by a stabilizing rod 5; a first joint locking mechanism is provided between the sleeve 2 and the first telescopic joint 3; a second joint locking mechanism is provided between the first telescopic joint 3 and the second telescopic joint 4.

[0022] Furthermore, the bottom of the surveying instrument placement platform 1 is provided with a hinge platform 6; the upper end of the sleeve 2 is rotatably connected to the hinge platform 6.

[0023] Furthermore, the end of the stabilizer bar 5 is provided with a connector 5-1; a screw hole 5-11 is opened on the inner side of the connector 5-1; a through hole is opened in the sleeve 2; the through hole corresponds to the screw hole 5-11.

[0024] Furthermore, the outer side of the sleeve 2 is provided with a handle 7; the inner side of the handle 7 is provided with a screw 8; the screw 8 passes through the through hole and is connected to the screw hole 5-11.

[0025] Furthermore, the sleeve 2 is a hollow tube made of carbon fiber; the first telescopic joint 3 and the second telescopic joint 4 are both made of aluminum alloy.

[0026] Furthermore, the joint locking mechanism includes a first seat 9; the first seat is disposed at the end of the sleeve 2; a positioning screw 10 is spirally connected inside the first seat 9; and a positioning screw hole is provided on the first telescopic joint 3 relative to the positioning screw 10.

[0027] Furthermore, the second joint locking mechanism includes an elastic block 11 disposed on the surface of the second telescopic joint 4; a groove 12 is disposed on the inner side of the first telescopic joint 3 relative to the elastic block 11.

[0028] Working principle: Connect the stabilizer rod 5 to each of the three sleeves 2, aligning the screw hole 5-11 in the connector 5-1 on the stabilizer rod 5 with the through hole on the sleeve 2. Then rotate the handle 7, causing the screw 8 to rotate within the through hole and connect with the screw hole 5-11, thus connecting the end of the stabilizer rod 5 to the sleeve 2. The constraint of the stabilizer rod 5 on the three sleeves 2 is small, and their relative angle is fixed. Next, pull the first telescopic joint 3 outward from the sleeve 2. After the first telescopic joint 3 has moved outward to the desired distance, the positioning screw 10 in the first seat 9 on the sleeve 2 will align with the positioning screw hole on the surface of the first telescopic joint 3. At this time, rotating the positioning screw 10 will fix the relative position between the sleeve and the first telescopic joint 3. Then, pull the second telescopic joint 4 outward. When the elastic block 11 moves with the second telescopic joint 4 and reaches the slot 12, it will spring upward into the slot 12, achieving relative fixation between the first telescopic joint 3 and the second telescopic joint 4. When it is necessary to retract the second telescopic joint 4, simply press the part of the elastic block 11 that is not in the slot 12 (this part is thinner) to make the elastic block 11 disengage from the slot 12 as a whole, and then the second telescopic joint 4 can be pushed inward.

[0029] The specific embodiments of this utility model described above do not constitute a limitation on the scope of protection of this utility model. Any other corresponding changes and modifications made based on the technical concept of this utility model should be included within the scope of protection of the claims of this utility model.

Claims

1. A surveying tripod with a stable structure, comprising a surveying instrument placement platform (1); the bottom of the surveying instrument placement platform (1) is provided with three legs, characterized in that: Each of the outriggers includes a sleeve (2), a first telescopic joint (3), and a second telescopic joint (4); the sleeves (2) of each outrigger are connected to each other by a stabilizing rod (5); a first joint locking mechanism is provided between the sleeve (2) and the first telescopic joint (3); a second joint locking mechanism is provided between the first telescopic joint (3) and the second telescopic joint (4).

2. The surveying tripod with a stable structure according to claim 1, characterized in that: The bottom of the surveying instrument placement platform (1) is provided with a hinge platform (6); the upper end of the sleeve (2) is rotatably connected to the hinge platform (6).

3. A surveying tripod with a stable structure according to claim 2, characterized in that: The end of the stabilizer (5) is provided with a connector (5-1); a screw hole (5-11) is opened on the inner side of the connector (5-1); a through hole is opened in the sleeve (2); the through hole corresponds to the screw hole (5-11).

4. A surveying tripod with a stable structure according to claim 3, characterized in that: The sleeve (2) is provided with a handle (7) on the outside; a screw (8) is provided on the inside of the handle (7); the screw (8) passes through the through hole and is connected to the screw hole (5-11).

5. A surveying tripod with a stable structure according to claim 4, characterized in that: The sleeve (2) is a hollow tube made of carbon fiber; the first expansion joint (3) and the second expansion joint (4) are both made of aluminum alloy.

6. A surveying tripod with a stable structure according to claim 5, characterized in that: The joint locking mechanism includes a first seat (9); the first seat is located at the end of the sleeve (2); a positioning screw (10) is spirally connected inside the first seat (9); and a positioning screw hole is provided on the first telescopic joint (3) relative to the positioning screw (10).

7. A surveying tripod with a stable structure according to claim 6, characterized in that: The second joint locking mechanism includes an elastic block (11) disposed on the surface of the second telescopic joint (4); The inner side of the first expansion joint (3) is provided with a slot (12) relative to the elastic block (11).

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