CN208546715U - Three-legged support is used in a kind of mapping of complicated landform - Google Patents
Three-legged support is used in a kind of mapping of complicated landform Download PDFInfo
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- CN208546715U CN208546715U CN201821220938.4U CN201821220938U CN208546715U CN 208546715 U CN208546715 U CN 208546715U CN 201821220938 U CN201821220938 U CN 201821220938U CN 208546715 U CN208546715 U CN 208546715U
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- supporting leg
- complicated landform
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Abstract
The utility model discloses a kind of complicated landform mapping three-legged support, including supporting table and three supporting legs being hinged in supporting table, the supporting leg is telescopic structure, the supporting leg includes upper supporting leg and lower supporting leg, the outside of the upper supporting leg is symmetrical arranged two fixed plates in their extension direction, the first elongate holes are arranged in the corresponding position of two fixed plates, the I-shaped sliding component being slidably matched with the first elongate holes is arranged in the upper end of the lower supporting leg, and positioning screw is fixedly installed on the I-shaped sliding component.The utility model complicated landform using when the length of one of supporting leg or multiple supporting legs is adjusted, guarantee the level of supporting table, and adjust that efficiency is fast, adjustable range is big, stability is strong.
Description
Technical field
The utility model belongs to Surveying Engineering equipment technical field, and three-legged support is used in especially a kind of complicated landform mapping.
Background technique
Planning and designing, construction and management stage in engineering construction, measure required by work it is various orientation,
Ranging, surveys high, mapping and photogrammetric etc. instrument, such as theodolite, total station, level etc. at angle measurement, is surveyed
The acquisition, processing, output etc. for drawing work data, in actual mechanical process, measuring instrument be unable to do without A-frame, and A-frame is logical
Three supporting legs of supporting table lower end are often located at including supporting table, hinge, supporting leg carries out outer and is inside contracted under the action of damping mechanism,
Realize the height adjustment of entire bracket.
China region area is wide, multiplicity with a varied topography, and common three-legged support is in complicated landform in use, such as mound
The landform such as mound, mountain area, since the length of three-legged support immobilizes, when encountering rugged ground environment, it is difficult to ensure that
Measuring instrument is in stable horizontal measurement posture, influences the accuracy of measurement efficiency and result.Authorization Notice No.
The patent document of CN204026083U discloses a kind of full landform land surveying instrument tripod, including machine seat board, base neck and
Tripod, each supporting leg respectively include fine tuning supporting leg, telescopic outrigger and support leg from top to bottom, finely tune and are provided with bulge on supporting leg
Transmission case is provided with transmission nut in bulge transmission case, and transmission nut is located in thread lead screw by screw thread rotation, bulge transmission case
Inner cavity is communicated with screw rod inner cavity；Thread lead screw tail end is fixed at telescopic outrigger top, and telescopic outrigger bottom end is provided with hinged ball,
Hinged ball is arranged in the ball hinge in support leg, and telescopic outrigger bottom end is connect with support leg flexural pivot, and support foot plate surface is provided with cone
Thorn.The structure is that the telescopic adjustment of fine tuning supporting leg and telescopic outrigger, but the complexity in structure are adjusted using the transmission of screw thread
Property certainly will bring the increase of overall weight, be not easy to carry, and adjustable be limited in scope.
The patent document of Authorization Notice No. CN207527260U discloses a kind of camera trivets of adjustable water Pingdu, packet
The first foot prop and hydraulic lifting post are included, the second foot prop, first foot prop, the second foot prop and are installed on the left of first foot prop
The bottom of tripod is respectively and fixedly provided with hinge disk, is mounted on telescopic rod in the middle part of the first foot prop, the second foot prop and third foot prop.It should
Foot prop is designed to telescopic structure by structure, although ensure that overall weight, the stretching structure of plug-in type adjusts row
Journey is several limited point values, and adaptability is not strong when complicated landform uses, and not specifically discloses the fixed form of regulating mechanism,
Stability can not investigate.
Utility model content
In view of this, the purpose of this utility model is in view of the deficiencies of the prior art, to provide a kind of complicated landform mapping use
Three-legged support, the utility model complicated landform using when the length of one of supporting leg or multiple supporting legs is adjusted,
Guarantee the level of supporting table, and adjusting efficiency is fast, adjustable range is big, stability is strong.
In order to achieve the above objectives, the utility model uses following technical scheme:
A kind of complicated landform mapping three-legged support, it is described including supporting table and three supporting legs being hinged in supporting table
Supporting leg is telescopic structure, and the supporting leg includes upper supporting leg and lower supporting leg, and the outside of the upper supporting leg is right in their extension direction
Claim setting two fixed plates, the first elongate holes, the upper end setting of the lower supporting leg is arranged in the corresponding position of two fixed plates
Positioning screw is fixedly installed on the I-shaped sliding component in the I-shaped sliding component being slidably matched with the first elongate holes.
Further, the fixed plate is L-type plate, limit plate is arranged between described two fixed plates, the limit plate is set
The limit channels to match with positioning screw are set, the end of the positioning screw stretches out limit channels rear thread and connects butterfly spiral shell
It is female.
Further, the fixed plate is U-shaped board, and the opening of two fixed plates is oppositely arranged, encloses between two fixed plates
The limit channels that composition matches with positioning screw, the end of the positioning screw stretch out limit channels rear thread and connect butterfly spiral shell
It is female.
Further, U-shaped seat is arranged in the lower end of the lower supporting leg, is arranged shaft and spacer pin on the U-shaped seat, and described turn
It is symmetrical arranged first connecting rod and the second connecting rod on axis, is respectively provided on first connecting rod and the second connecting rod opposite with spacer pin
Needle-shaped stabilizer blade is arranged in the pin hole answered, the end of first connecting rod, and cross shaped legs are arranged in the end of the second connecting rod.
Further, the supporting table is circular ring structure, and positioning plate is arranged in lower end surface rotation, and setting second is long on positioning plate
Strip-shaped hole, the second elongate holes are interior to be arranged instrument fixing bolt.
The beneficial effects of the utility model are:
1. the utility model improves the structure of supporting leg, pass through the phase interworking of I-shaped sliding component and fixed plate
It closes, realizes that lower supporting leg is adjusted with respect to the position of upper supporting leg, lower supporting leg is realized by the mutual cooperation of wing nut and positioning screw
Position fix, specifically use two ways:
1) when fixed plate is L-type plate, the bending part of two fixed plates is oppositely arranged and is bolted with upper supporting leg
Connection, weld or be spirally connected in two fixed plates limit plate, and the limit channels for allowing positioning screw mobile are opened up on limit plate,
When the wing nut of screwed in place screw rod outer end, wing nut and limit plate extruding position lower supporting leg；
2) similar with above structure when fixed plate is U-shaped board, the opening of two fixed plates is oppositely arranged and and upper supporting leg
It is bolted to connection, the gap between two fixed plates is limit channels, also can make lower branch by tightening wing nut
Leg positioning；
Telescoping mechanism in compared with the prior art, the utility model in complicated landform in use, according to actual needs, to it
In the length of a supporting leg or multiple supporting legs be adjusted, guarantee the level of supporting table, and adjust that efficiency is fast, adjustable range
Greatly, stability is strong.
2. U-shaped seat rotation two kinds of brackets of setting of lower supporting leg lower end, adapt to different geological environments and use, such as hard
Face uses needle-shaped bracket, and soft terrain uses cross shaped legs, and is positioned by spacer pin, and stability is strong.
3. supporting table is circular ring structure, lower end surface rotation setting positioning plate, the second elongate holes are set on positioning plate, second
Instrument fixing bolt is set in elongate holes, and the position of positioning plate can be adjusted with respect to supporting table in the design of this structure, instrument
Position of the device fixing bolt in the second elongate holes can be adjusted, and keep the adjustment track one of instrument fixing bolt flat
Face is suitble to different types of instrument that use is fixed.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiment one；
Fig. 2 is the structural schematic diagram that limit plate and wing nut are free of in Fig. 1；
Fig. 3 is the schematic perspective view of one fixed plate of embodiment;
Fig. 4 is the structural schematic diagram of embodiment one needle-shaped stabilizer blade and cross shaped legs；
Fig. 5 is the structural schematic diagram of two fixed plate of embodiment；
Fig. 6 is the structural schematic diagram of two supporting table of embodiment.
Figure label: 1- supporting table, 2-U jacket fitting, 3- dished spring assembly, 4- upper supporting leg, supporting leg under 5-, 6- fixed plate,
The first elongate holes of 7-, the I-shaped sliding component of 8-, 9- positioning screw, 10- limit plate, 11- limit channels, 12- wing nut,
13-U type seat, 14- shaft, 15- spacer pin, the needle-shaped stabilizer blade of 16-, 17- cross shaped legs, 18- positioning plate, 19- second are long
Strip-shaped hole, 20- fixing bolt.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and examples.
Embodiment one
As shown in Figure 1 to Figure 3, the utility model includes supporting table 1 and three supporting legs being hinged in supporting table, the branch
Leg is telescopic structure, and the lower end surface of supporting table 1 circumferentially opens up three grooves, and a damping is respectively mounted in each groove and is turned
Axis, Damping rotation shaft are designed using structure in the prior art, for example including the U-shaped socket on central axis 3, rotation setting central axis
Part 2 and two groups of dished spring assemblies 3, the two sides that U-shaped Coupling 2 is arranged in two groups of dished spring assemblies 3 respectively squeeze it, U-shaped set
Frictional force in 2 rotation process of fitting between dished spring assembly 3 is damping force；
Supporting leg includes upper supporting leg 4 and lower supporting leg 5, and the upper end of upper supporting leg 4 is fixedly connected with the U-shaped Coupling 2 of Damping rotation shaft,
The outside of upper supporting leg 4 is symmetrical arranged two fixed plates 6 in their extension direction, and fixed plate is L-type plate, and two fixed plates 6 are opposite
The first elongate holes 7, the I-shaped cunning that the upper end setting of lower supporting leg 5 is slidably matched with the first elongate holes 7 is arranged in the position answered
Component 8 is moved, positioning screw 9 is vertically fixedly installed on I-shaped sliding component 8；Limit plate 10, limit are set between two fixed plates 6
The limit channels 11 that the position setting of plate 10 matches with positioning screw, the end of positioning screw 9 are stretched out 11 rear thread of limit channels and are connected
Connect wing nut 12；
U-shaped seat 13 is arranged in the lower end of lower supporting leg 5, is arranged shaft 14 and spacer pin 15 on U-shaped seat 13, symmetrical in shaft 14
Needle-shaped stabilizer blade 16, the end of the second connecting rod is welded and fixed in setting first connecting rod and the second connecting rod, the end of first connecting rod
It is as shown in Figure 4 that cross shaped legs 17(is welded and fixed in portion), needle-like member, needle-shaped stabilizer blade 16 is arranged in cross tubular pole stabilizer blade 17
With pin hole corresponding with spacer pin 15 is respectively provided on cross shaped legs 17.
Embodiment two
The present embodiment and the structure of embodiment one are essentially identical, unlike: as shown in figure 5, fixed plate 6 be U-shaped board, two
The opening of a fixed plate 6 is oppositely arranged, and the limit channels 11 that composition and positioning screw match are enclosed between two fixed plates 6；Such as
Shown in Fig. 6, supporting table 1 is circular ring structure, and lower end surface rotates setting positioning plate 18 by shaft, and setting second is long on positioning plate 18
Strip-shaped hole 19, the interior setting instrument fixing bolt 20 of the second elongate holes 19.
Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, this field
Other modifications or equivalent replacement that those of ordinary skill makes the technical solution of the utility model, it is practical without departing from this
The spirit and scope of new technique scheme should all cover in the scope of the claims of the utility model.
Claims (5)
1. a kind of complicated landform mapping three-legged support, including supporting table and three supporting legs being hinged in supporting table, the branch
Leg is telescopic structure, it is characterised in that: the supporting leg includes upper supporting leg and lower supporting leg, and the outside of the upper supporting leg is in its extension
Two fixed plates are symmetrical arranged on direction, the first elongate holes are arranged in the corresponding position of two fixed plates, the lower supporting leg
The I-shaped sliding component being slidably matched with the first elongate holes is arranged in upper end, and fixed setting is fixed on the I-shaped sliding component
Position screw rod.
2. a kind of complicated landform mapping three-legged support according to claim 1, it is characterised in that: the fixed plate is L
Limit plate, the limit channels that the limit plate setting matches with positioning screw, institute are arranged between described two fixed plates for template
Limit channels rear thread connection wing nut is stretched out in the end for stating positioning screw.
3. a kind of complicated landform mapping three-legged support according to claim 1, it is characterised in that: the fixed plate is U
The opening of template, two fixed plates is oppositely arranged, and the limit channels that composition and positioning screw match are enclosed between two fixed plates,
The end of the positioning screw stretches out limit channels rear thread and connects wing nut.
4. a kind of complicated landform mapping three-legged support according to claim 1, it is characterised in that: under the lower supporting leg
U-shaped seat is arranged in end, and shaft and spacer pin are arranged on the U-shaped seat, and first connecting rod and second is symmetrical arranged in the shaft and is connected
Pin hole corresponding with spacer pin, the end setting of first connecting rod are respectively provided in extension bar, first connecting rod and the second connecting rod
Cross shaped legs are arranged in the end of needle-shaped stabilizer blade, the second connecting rod.
5. a kind of complicated landform mapping three-legged support according to claim 1, it is characterised in that: the supporting table is circle
Positioning plate is arranged in ring structure, lower end surface rotation, the second elongate holes is arranged on positioning plate, setting instrument is solid in the second elongate holes
Determine bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821220938.4U CN208546715U (en) | 2018-07-31 | 2018-07-31 | Three-legged support is used in a kind of mapping of complicated landform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821220938.4U CN208546715U (en) | 2018-07-31 | 2018-07-31 | Three-legged support is used in a kind of mapping of complicated landform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208546715U true CN208546715U (en) | 2019-02-26 |
Family
ID=65425665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821220938.4U Active CN208546715U (en) | 2018-07-31 | 2018-07-31 | Three-legged support is used in a kind of mapping of complicated landform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208546715U (en) |
-
2018
- 2018-07-31 CN CN201821220938.4U patent/CN208546715U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210524 Address after: 361101 room 1102, 35 Xiangwu Liuli, Xindian Town, Xiang'an District, Xiamen City, Fujian Province Patentee after: Zhao Bin Address before: 2 / F, north courtyard, HangYao center, 239 Nanyang Road, Jinshui District, Zhengzhou City, Henan Province, 450000 Patentee before: Chen Xiangshuai |