• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Antispam device for topographic tripods. The present invention is a device that avoids the buckling caused in the topographic tripods. The topographic devices have a lot of weight that they transfer to the tripod that supports them, producing deformations in the legs of the tripod that affect the measurements and stability of the system. Being the legs of the cylindrical tripods and with standard measures, it is possible to create a device that avoids the buckling of each leg in a very simple way. The antipandeo device is formed by two plates for each leg that are coupled to each other and exert pressure on the leg. The invention is light, easy to install, economical in its execution and, above all, it occupies very little space, a very important feature since it is necessary to bear in mind that the operator when making measurements moves around the tripod continuously and can not there is no element that hinders the passage. (Machine-translation by Google Translate, not legally binding)
    公开号:ES2553002A1
    申请号:ES201430838
    申请日:2014-06-02
    公开日:2015-12-03
    发明作者:María Amparo VERDÚ VÁZQUEZ；Tomás GIL LÓPEZ；Fidel CARRASCO ANDRÉS；Valentina SIEGFRIED VILLAR
    申请人:Universidad Politecnica de Madrid；
    IPC主号:
    专利说明:

    ANTIPANDEO DEVICE FOR TOPOGRAPHIC TRIPODS

    DESCRIPTION

    Technical sector 5
    The present invention is a device that prevents buckling caused on tripods that support topographic devices or other heavy weight devices. The application sectors of the present invention are the topography, geodesy, astronomy, photogrammetry sector ...
    State of the art
    The tripods used in topography have three extendable or telescopic legs 10 finished in iron raindrops with stirrups to step on and drive into the ground. The tripods can be metallic or wooden, but in both cases they must be firm and allow the device once parked to be as stable as possible.
    The upper part is a metallic, triangular or circular plateau, on which the instrument is placed. On this plateau is the attachment to the apparatus that will normally be a screw 15 that slides on a metal guide to allow the movements of the apparatus. At the bottom of this screw would be the manual plumb line.
    Each leg of the topographic tripod is formed by two stringers joined by crossbars. Being extensible, the lower half of the leg slides inside the other half, as a slide, facilitating transport when the tripod is with its reduced dimensions. 20 For its use, the legs are extended, holding tightly in this position by means of pressure screws.
    Being the extensible legs, there is a part of the leg that is hollow since it leaves the leg that extends to gain length. The upper part is simply formed by two lateral cylinders, where the base of the topographic apparatus is supported. 25
    The legs, whose shape is cylindrical, have standard measurements. The radius of said cylinder does not vary between different brands of topographic tripods.
    In the case of supporting heavy weight topographic devices, it has been detected that the legs, in their upper part, tend to be combined and therefore deform and lose stability.
    There are various methods to eliminate mechanical buckling caused by weight. The most common way is to fix the three legs of the tripod at the bottom with an equilateral triangle, so that the structure becomes a single piece. In some cases, to increase stability, a weight is added at the center of gravity of said triangle.
    Said invention, the triangle, patent with reference ES 2 197 698 T3, is a tripod mounting device and torsion compensation method, which aims to increase the stability of the tripod, not eliminate the buckling caused by the weight. It has the disadvantage of being a device that occupies a lot of space and is formed by pieces that form a very complex structure. The invention with a triangular shape is placed at the foot of the legs turning the three legs into a single block joined by the triangle, while the presented invention 10 acts independently on each of the three legs, without affecting the rest or altering the space between the legs, which could cause mobility problems for the operator who was driving the tripod.
    There is also a permanent positioning tripod of highly sensitive devices, utility model with reference ES 1 048 552 U, which is formed by a tripod to which a tubular mast has been added in its center and tension bars that form a triangle at the base. This invention is aimed at supporting highly sensitive devices and being resistant to atmospheric agents but their structure and assembly are complex.
    Explanation of the invention.
    It can be said that there is currently no anti-panning device with the 20 characteristics of the present. The existing devices that meet this requirement are focused on highly sensitive devices that require high precision parking, so they also avoid buckling their legs because they provide great rigidity to the assembly. All this implies very complex devices. The device described below is much simpler in its structure since its only objective is to prevent the three legs of the tripod from deforming and affecting the topographic measurement, providing greater stability to the whole. Its placement and removal is very fast.
    This anti-panning device is structured so that its geometric shape fits perfectly into the pieces that make up the legs of the tripod, cylindrical. These are two plates, curved at one of their ends in such a way that the cylinders that form the tripod leg fit the curvature of 30. These plates have an oval hole in the straight part and overlap by this part by matching both holes. Through these holes a screw is inserted that is screwed into a nut allowing the fixing of the plates.
    Once both plates are fitted, the horizontal pressure they will exert on the leg will be greater or lesser depending on the clearance that is left to the hole through which both plates are coupled. 5
    The present invention provides the novelty of being formed by very simple pieces, of low weight and easy handling, in addition to not occupying hardly any space.
    Unlike the previous inventions, the proposed invention acts directly on each of the legs since the device is installed in each of them, and does not take up more space than the one prior to its coupling, so that the tripod handling When it is time to park it or take measurements, it is not affected. On the other hand, its shape is very simple so its placement or coupling on the tripod is immediate and does not require additional tools.
    In conclusion, we determine that there is currently no invention that prevents the buckling of topographic tripods. The topographic tripods support devices of a lot of 15 weight that in many occasions cause the legs of the tripods, which can be made of wood or aluminum, to buckle, affecting the measurements made and providing instability to the whole. There are inventions that because of their characteristics help prevent buckling, but collaterally, it is not their goal, so they are much more complex and appalling. twenty
    Description of the figures
    The figures that help to better understand the invention and that expressly relate to an embodiment of said invention are described below and are presented as illustrative and non-limiting examples thereof.
    Figure number 1: Generic topographic tripod, without coupled anti-slip device. 25
    Figure number 2: Plan, elevation and profile of the plates together with the screw and nut set.
    Figure number 3: Perspective view of the anti-panning device. The general configuration as well as the position and adaptation of the device are appreciated.
    Figure number 4: View of the plates fitted on one of the three legs of the tripod. 30
    Detailed description of the invention
    The anti-panning device proposed in the present invention is constituted by two plates (3), curved at one of its ends and with an oval hole (4) in the straight part, which overlap by matching both holes, through which a screw is introduced (6) in which a nut (5) is screwed. Unlike what usually happens, the hole (4) does not have the right diameter for the screw fitting (6), but has a greater clearance so that more or less pressure can be exerted between both plates, and consequently , on the two cylinders that make up the upper part of each leg (2). When the two plates (3) are fitted, said pressure is transmitted to the leg (2) on which the device is located, providing greater rigidity to the system and thus avoiding the arcing of said leg (2). The device is placed on each of the legs (2) of the tripod (1).
    The curvature of one of the ends of the plates (3) is structured to fit perfectly on the legs (2) of the tripod (1), whose shape is cylindrical and standard measures.
    The plates (3) are adjusted by means of a set of screw (6) and nut (5). fifteen
    The screw (6) ends in a piece that allows it to be screwed and unscrewed manually, and therefore regulate the set pressure, without using any additional tools.
    Once the invention is clearly described, it is noted that the particular embodiment described above is subject to modifications in detail provided that they do not alter the fundamental principle and the essence of the invention.

    Industrial application

    The present invention is susceptible of industrial application since it is feasible and reproducible. The device can be manufactured without undue complication. Another aspect is that the invention can be used in any type of industry. Although mostly used in construction, it can also be used in other fields, such as agriculture or mining.
    权利要求:
    Claims (2)
    [1]

    1. Anti-panning device for use in topographic tripods characterized in that it comprises two plates (3), curved at one of its ends in such a way that they adjust to the curvature of the cylinders that form the leg (2) of the 5 tripod (1 ) and with a hole (4) oval in the straight part, which overlap by the mentioned straight part by matching both holes (4) where a screw (6) is inserted that is screwed into a nut (5) allowing the fixing of the plates (3).
     10
    [2]
    2. Anti-panning device for use in topographic tripods according to claim 1 characterized in that it is installed in each of the legs (3) of the tripod (1).
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    同族专利:
    公开号 | 公开日
    ES2553002B1|2016-09-14|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    US2668682A|1949-08-22|1954-02-09|Houston Fearless Corp|Folding tripod construction|
    DE1785791U|1959-01-21|1959-03-26|Karl Prenzel|TRIPOD FOR HEAVY RECORDING CAMERAS, IN PARTICULAR FILM-RECORDING CAMERAS.|
    US4767090A|1984-10-23|1988-08-30|Kar-Hart Productions, Inc.|Tripods|
    US4872627A|1987-09-28|1989-10-10|Oconnor Chadwell|Locking tripod leg|
    US20130270405A1|2012-04-13|2013-10-17|Seco Manufacturing Company, Inc.|Portable support having extendable rod|CN107015291A|2017-03-16|2017-08-04|周琼|A kind of instrument retainer for Reconnaissance Survey|
    CN111720706B|2020-05-20|2021-11-23|山东大学|Tripod capable of being automatically leveled, working method and application|
    法律状态:
    2016-09-14| FG2A| Definitive protection|Ref document number: 2553002 Country of ref document: ES Kind code of ref document: B1 Effective date: 20160914 |
    优先权:
    申请号 | 申请日 | 专利标题
    ES201430838A|ES2553002B1|2014-06-02|2014-06-02|Anti-panning device for topographic tripods|ES201430838A| ES2553002B1|2014-06-02|2014-06-02|Anti-panning device for topographic tripods|
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