CN114440092A

CN114440092A - Surveying instrument suitable for multi-type complex terrain

Info

Publication number: CN114440092A
Application number: CN202210208930.0A
Authority: CN
Inventors: 周涛; 张奇伟; 徐花芝
Original assignee: Shandong Provincial Institute of Land Surveying and Mapping
Current assignee: Shandong Provincial Institute of Land Surveying and Mapping
Priority date: 2022-03-03
Filing date: 2022-03-03
Publication date: 2022-05-06

Abstract

The invention provides a surveying instrument support suitable for various complex terrains, which comprises a supporting platform and three leg components hinged to the bottom of the supporting platform, wherein each leg component is movably assembled together by an upper rod and a ground supporting rod, the relative position between the upper rod and the ground supporting rod is adjustable, and the upper rod is hinged to the supporting platform; the ground supporting rod is divided into an adjusting section, an installing section and a ground binding section, the adjusting section is movably assembled and connected with the upper rod, a stabilizing component is sleeved on the installing section, and the ground binding section is positioned below the installing section and plays a main role in fixing the ground binding; the stabilizing assembly comprises a lower locking cap, an upper adjusting cap, a rubber belt, an assembling ring and a screw; the support is suitable for terrains such as muddy land and sandy land where supports are prone to sinking, almost has no influence on the outline and weight of the supports, and is convenient to improve on the basis of the existing support which has the advantages of being easy to carry and transport.

Description

Surveying instrument suitable for multi-type complex terrain

Technical Field

The invention belongs to the technical field of surveying and mapping instruments and support equipment, and particularly relates to a surveying and mapping instrument support suitable for various complex terrains.

Background

Surveying and mapping refers to a technology for measuring, collecting and drawing the shape, size, spatial position, attributes and the like of natural geographic elements or surface artificial facilities, and is mainly used for the requirements of engineering construction, planning and design and administrative management. The instruments commonly used in surveying and mapping are various in types such as a total station and a level, but a tripod playing a role in supporting and stabilizing is instead a core auxiliary device in surveying and mapping operation, and a stable supporting platform provided by the tripod is a foundation of surveying and mapping operation. The surveying instrument support in the prior art is much concerned about functions such as portability, easy transportation, strengthening and stabilizing, but in actual surveying and mapping operation, topographic factors are also key factors for determining the performance of the support, the terrain needing to support the surveying instrument is not limited to flat ground, gravel ground and other types which are convenient to operate, complex terrains such as easily sunk sandy land, mud and swamp and hollow lawn are often involved, and how to provide a stable support platform becomes the technical problem to be solved for surveying and mapping of the complex terrains.

Disclosure of Invention

Based on the current state of the prior art, the invention aims to provide a surveying instrument support suitable for various complex terrains, which is suitable for terrains such as muddy land and sandy land where supports are prone to sinking, has almost no influence on the outline and weight of the support, and is convenient to improve on the basis of the existing support which has the advantages of being easy to carry and transport and the like.

The technical scheme adopted by the invention is as follows: the utility model provides a surveying instrument support suitable for multiclass complicated topography which characterized in that, includes supporting platform and articulates three leg assemblies in the supporting platform bottom, and each leg assembly is by upper boom and the mobilizable equipment of earth-supporting pole and together, the relative position between upper boom and the earth-supporting pole is adjustable to the total length of extendible or shorten leg assembly.

The ground supporting rod is divided into an adjusting section, an installing section and a ground binding section, the adjusting section is movably assembled and connected with the upper rod, a stabilizing component is sleeved on the installing section, and the ground binding section is positioned below the installing section and plays a main role in fixing the ground binding; the stabilizing assembly comprises a lower locking cap, an upper adjusting cap, a rubber belt, two assembling rings and screws, wherein the two assembling rings are circular rings which can be sleeved on the mounting section, and a plurality of screw holes are uniformly distributed on the outer wall surface of the assembling rings in the circumferential direction; the rubber tape is the thin rubber tape of rectangular shape, and is preferred, adds the hardness and the wearability of carbon black in order to strengthen the rubber tape in its rubber material, the both ends of rubber tape are passed through the screw and are installed respectively on two equipment rings, just the rubber tape includes many, and the upper and lower both ends of many rubber tapes are all locked respectively on two equipment rings through the screw, and many rubber tapes are arranged into the drum face for after two equipment ring cover establish the installation section that props the ground pole, the surface of the drum face cladding installation section that many rubber tapes are constituteed. Preferably, each rubber tape all is the spiral and arranges, and many rubber tape helical arrangement constitute inside and outside two-layer cylinder face, the spiral opposite direction of inlayer and outer rubber tape, so set up, when two equipment rings are close to each other in order to extrude the rubber tape, inside and outside two-layer rubber tape can outwards bulge and expand into class network structure.

The shape and the contour of the upper adjusting cap are also of an annular structure, the upper adjusting cap is sleeved on the mounting section and located above the assembly ring on the upper portion, the lower locking cap is identical or similar to the upper adjusting cap in structure, the lower locking cap is also sleeved on the mounting section and located below the assembly ring on the lower portion, the relative positions of the upper adjusting cap, the lower locking cap and the mounting section can be movably adjusted and locked, for example, a thread section is arranged on the mounting section, inner threads are arranged on the inner wall surfaces of annular holes of the upper adjusting cap and the lower locking cap, and the positions of the upper adjusting cap and the lower locking cap on the mounting section are fixed or adjusted through thread matching.

The lower end of the upper rod is fixedly provided with a limiting cylinder, a plurality of positioning holes are uniformly distributed on the adjusting section, the adjusting section extends into a central hole of the limiting cylinder to realize the connection of the ground supporting rod and the upper rod, a pin hole is formed in the side surface of the limiting cylinder, and a pin shaft penetrates through the pin hole of the limiting cylinder and the positioning holes of the adjusting section to relatively fix the positions of the upper rod and the ground supporting rod; and the limiting cylinder guides and positions the adjusting section, so that the axes of the upper rod and the ground supporting rod are consistent or in the same direction.

The bottom surface of the supporting platform is also fixedly connected with a central shaft which extends downwards for a certain length, the central shaft is of a rod-shaped structure, and a hinge is sleeved on the central shaft and can slide up and down along the central shaft; the position department that the upper boom closes on spacing section of thick bamboo still is provided with the articulated joint, the articulated joint is articulated with the one end of connecting rod, the other end of connecting rod with the hinge is together articulated. In the process of unfolding the support, the position of the hinge is correspondingly adjusted in a sliding mode, after the support is supported by pricking the ground, the position of the hinge is locked by the nut, so that a stable triangular structure is formed in the upper rod and the central shaft, the influence of the movable connection relation of the ground supporting rod and the upper rod on the stability of the whole structure is weakened, and the stability of the support platform is further enhanced.

The invention has the advantages that:

1. the support is suitable for various terrains, the operation mode of the common terrains is consistent with that of the conventional surveying instrument support, and the stable support of the support can be realized by simply operating the stabilizing device in complex terrains which are easy to sink;

2. the structure of the support of the surveying instrument is basically not changed, the increase of the production and processing cost is favorably controlled, and the normal carrying and transportation are not influenced;

3. be applicable to the adverse weather condition, bury through the mixture of firm subassembly and soil particle, can provide stable supporting platform in strong wind weather, prevent to rock with the wind.

Drawings

FIG. 1 is a schematic view of the overall structure of the surveying instrument support of the present invention;

FIG. 2 is a schematic view of the coaxial drive assembly of the surveying instrument holder according to the invention;

FIG. 3 is a schematic view of the auxiliary stabilizing assembly of the surveying instrument stand according to the present invention;

in the figure: 1. supporting platform, 2, go up the pole, 3, prop ground pole, 4, a spacing section of thick bamboo, 5, round pin axle, 6, locating hole, 7, center pin, 8, connecting rod, 9, hinge, 10, adjust the section, 11, installation section, 12, prick the section, 13, firm subassembly, 14, lower locking cap, 15, go up the regulation cap, 16, rubber tape, 17, equipment ring, 18, screw.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated for simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, the overall structure of the surveying instrument support of the present invention is schematically illustrated, and the surveying instrument support suitable for various complex terrains of the present invention includes a supporting platform 1 and three leg assemblies hinged to the bottom of the supporting platform 1, each leg assembly is movably assembled by an upper rod 2 and a ground supporting rod 3, and the total length of the leg assembly can be extended or shortened by adjusting the connecting pin between the upper rod 2 and the ground supporting rod 3.

Fig. 2 is a schematic structural diagram of a coaxial driving assembly of a surveying instrument support, as shown in the figure, the upper end of the upper rod 2 is hinged to the bottom surface of the supporting platform 1, the lower end of the upper rod 2 is fixedly provided with a limiting cylinder 4, the limiting cylinder 4 is provided with a pin hole, preferably, the upper rod 2 is of a side-by-side double-rod structure, and the limiting cylinder 4 is fixedly connected to the lowest end of the upper rod 2 and clamped in the middle of the side-by-side double-rod structure; the utility model discloses a locking device for ground pole, including a ground pole 3, a spacing section of thick bamboo 4, including a hinge pin 5, the hinge pin is equipped with a plurality of locating holes 6, and the hinge pin is equipped with a threaded hole on the wall of a spacing section of thick bamboo 4, and the ground pole 3 stretches into spacing section of thick bamboo 4 inside and keeps 2 coaxial degree with the upper boom under spacing section of thick bamboo guiding action, evenly be provided with a plurality of locating holes 6 on the ground pole 3, will prop ground pole 3 and spacing section of thick bamboo 4 locking together in inserting locating hole 6 through round pin axle 5 after stretching into spacing section of thick bamboo 4, in order to prevent the slippage, round pin axle 5 also can adopt the screw to replace, corresponding, sets up the threaded hole on the 4 conch walls of a spacing section of thick bamboo, and the screw is twisted and is inserted in locating hole 6 after seeing through spacing section of thick bamboo 4.

The center position of the bottom surface of the supporting platform 1 is fixedly connected with a central shaft 7 which extends downwards for a certain length, a hinge 9 is sleeved on the central shaft 7, and the relative position of the hinge 9 on the central shaft 7 can be adjusted or fixed through a nut; the position department that upper boom 2 closes on spacing section of thick bamboo 4 still is provided with the articulated joint, the articulated joint passes through connecting rod 8 with hinge 9 and articulates together, and at the support expansion in-process, the position of corresponding slide adjusting hinge 9, after waiting to prick ground and prop, uses the position of nut locking hinge 9 to constitute stable triangle-shaped structure in upper boom 2 and center pin 7, weaken the influence of the movable relation of connection of propping ground pole 3 and upper boom 2 to overall structure stability, further strengthen supporting platform 1's stability.

Prop ground pole 3 from last to divide into regulation section 10, installation section 11 and prick ground section 12 down, at the during operation, prick ground section 12 and undertake main fixed function of pricking ground, the cover is equipped with firm subassembly 13 on the installation section 11, in the easy sunken topography such as muddy ground, desert, installation section 11 also pricks soil or sand grain, through the firm subassembly 13 stabilize the ground depth of pricking of propping ground pole 3, prevent its during operation constantly to sink, strengthen simultaneously and grab ground ability, prevent to rock interference such as along with the wind.

Specifically, as shown in fig. 3, fig. 3 is a schematic structural view of the auxiliary stabilizing assembly of the surveying instrument support of the present invention, the mounting section 11 is a rod section with a diameter smaller than that of the adjusting section 10, and the adjusting section 10 is uniformly provided with positioning holes 6, that is, the adjusting section 10 has a function of adjusting the overall height of the support leg; the ground penetrating section 12 is a reducing section connected below the mounting section 11, and gradually shrinks into a conical tip so as to be conveniently penetrated into soil. The stabilizing assembly 13 comprises a lower locking cap 14, an upper adjusting cap 15, a rubber belt 16 and two assembly rings 17, wherein the two assembly rings 17 are circular rings which can be sleeved on the mounting section 11, and a plurality of screw holes are uniformly distributed on the outer wall surface of the two assembly rings in the circumferential direction; the rubber belt 16 is a spiral thin rubber belt permeated with carbon black, the rubber belt 16 comprises a plurality of rubber belts, the upper end and the lower end of each rubber belt 16 are respectively locked on two assembling rings 17 through screws 18, the plurality of rubber belts 16 are spirally arranged to form a cylindrical surface, preferably, the plurality of rubber belts 16 are spirally arranged to form an inner cylindrical surface and an outer cylindrical surface, and the spiral directions of the inner rubber belt and the outer rubber belt are opposite; the upper adjusting cap 15 is sleeved on the mounting section 11 and located above the upper assembly ring 17, the lower locking cap 14 is also sleeved on the mounting section 11 and located below the lower assembly ring 17, the relative positions of the upper adjusting cap 15, the lower locking cap 14 and the mounting section 11 can be movably adjusted and locked, preferably, a threaded section is arranged on the mounting section 11, internal threads are arranged on the inner hole wall surfaces of the upper adjusting cap 15 and the lower locking cap 14, or the upper adjusting cap 15 and the lower locking cap 14 are clamped or loosened with the mounting section 11 through a clamp.

When the three ground supporting rods 3 are inserted into the soil layer in use, when the topographic area of surveying and mapping operation is muddy land with too large water content or soft sandy land, the ground inserting sections 12 of the ground supporting rods 3 are easy to insert into deeper depth and easy to continue sinking, cannot keep stable, at the moment, the upper assembling ring 17 is pushed downwards to slide along the mounting section 11 by pressing the upper adjusting cap 15 downwards, the lower locking cap 14 is fixed to lock the position of the lower assembly ring 17, the distance between the two assembly rings 17 is shortened to extrude the rubber belt 16 to be convex outwards, the rubber belt on the cylindrical surface is expanded to be an irregular sphere-like surface formed by lines, slurry or sand particles enter the inner part through a gap formed by the convex between the rubber belts 16, so that the anchoring element 13 mixes with the surrounding mud or sand into an expansion body of significantly enlarged diameter, preventing the ground-supporting rod 3 from continuing to sink;

as another embodiment, the position of the upper adjusting cap 15 is relatively fixed, the lower locking cap 14 can slide relative to the mounting section 11, when the support is erected in a soft terrain which is prone to sinking, a worker can directly and forcefully tie down the ground supporting rod, and the lower locking cap 14 is pushed to move upwards by using the resistance of mud or sand, so that the rubber belt 16 expands and protrudes to be mixed and wound with the surrounding mud or sand into a whole, and the ground supporting rod 3 is stably supported.

Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the invention, and it should be understood by those skilled in the art that various modifications and changes in equivalent structure or equivalent flow, or direct or indirect application to other related fields without creative efforts based on the technical solutions of the present invention may be made within the scope of the present invention.

Claims

1. A surveying instrument support suitable for various complex terrains is characterized by comprising a supporting platform and three leg assemblies hinged to the bottom of the supporting platform, wherein each leg assembly is movably assembled together by an upper rod and a ground supporting rod, the relative position between the upper rod and the ground supporting rod is adjustable, and the upper rod is hinged to the supporting platform;

the ground supporting rod is divided into an adjusting section, an installing section and a ground binding section, the adjusting section is movably assembled and connected with the upper rod, a stabilizing component is sleeved on the installing section, and the ground binding section is positioned below the installing section and plays a main role in fixing the ground binding; the stabilizing assembly comprises a lower locking cap, an upper adjusting cap, a rubber belt, two assembling rings and screws, wherein the two assembling rings are circular rings sleeved on the mounting section, and a plurality of screw holes are uniformly distributed on the outer wall surface of the assembling rings in the circumferential direction;

the rubber belt is a strip-shaped thin rubber belt, two ends of the rubber belt are respectively installed on the two assembling rings through screws, the rubber belt comprises a plurality of rubber belts, and the upper end and the lower end of each of the plurality of rubber belts are respectively locked on the two assembling rings through the screws;

the upper adjusting cap is sleeved above the assembly ring which is arranged on the mounting section and is positioned on the upper portion, the lower locking cap is also sleeved below the assembly ring which is arranged on the mounting section and is positioned on the lower portion, and the relative positions of the upper adjusting cap and the lower locking cap with the mounting section can be movably adjusted and locked.

2. The mapper bracket of claim 1, further characterized in that carbon black is added to the material of the rubber belt.

3. The mapper bracket of claim 1, further characterized in that a plurality of rubber strips are arranged to form a cylindrical surface, and the cylindrical surface is coated on the outer wall surface of the adjusting section.

4. The mapper bracket of claim 3, further characterized in that the rubber strips are arranged spirally, and a plurality of rubber strips are arranged spirally to form an inner cylindrical surface and an outer cylindrical surface, wherein the spiral directions of the inner rubber strip and the outer rubber strip are opposite.

5. The mapper bracket according to claim 1, further characterized in that a plurality of positioning holes are uniformly arranged on the adjusting section of the ground supporting rod along the axial direction; the lower end of the upper rod is fixedly provided with a limiting cylinder, a pin hole is formed in the side wall of the limiting cylinder, the ground supporting rod extends into the limiting cylinder, and the ground supporting rod and the upper rod are locked through a pin shaft matched with the positioning hole and the pin hole.

6. The mapper bracket according to any of claims 1-5, further characterized by a central shaft, wherein the central shaft is a rod-shaped structure extending downward from a bottom surface of the supporting platform, and a hinge is sleeved on the central shaft and can slide up and down along the central shaft; the position department that the upper boom closes on spacing section of thick bamboo still is provided with the articulated joint, the articulated joint is articulated with the one end of connecting rod, the other end of connecting rod with the hinge is together articulated.

7. The surveying instrument support according to any one of claims 1 to 6, further characterized in that the mounting section is provided with a threaded section, the upper adjusting cap and the lower locking cap are both of annular structures, and the wall surface of the inner hole of the upper adjusting cap and the lower locking cap is provided with an internal thread.