CN204879338U - A levelling mechanism for measuring instrument - Google Patents
A levelling mechanism for measuring instrument Download PDFInfo
- Publication number
- CN204879338U CN204879338U CN201520311101.0U CN201520311101U CN204879338U CN 204879338 U CN204879338 U CN 204879338U CN 201520311101 U CN201520311101 U CN 201520311101U CN 204879338 U CN204879338 U CN 204879338U
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- CN
- China
- Prior art keywords
- hole
- shaped
- connecting rod
- adjustment member
- levelling gear
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a levelling mechanism for measuring instrument, characterized by: include: work platform, the connecting rod of connecting work platform and levelling mechanism branch, move pole and base, coupling bar, rubber pad, adjustment Assembly, support through what hinge and connecting rod linked to each other. This mechanism only needs knob adjustment Assembly can accomplish the leveling, and the leveling process is swiftly simple, convenient and rapid. Work platform's area size can require the design adjustment according to actual measurement, consequently easily is suitable for multiple measuring condition, consequently can bear a plurality of instruments, will distinguish the mechanism of leveling to every instrument, great improvement the accurate nature of measuring, reduced measuring error, practiced thrift the cost.
Description
Technical field
The utility model relates to levelling gear, specifically a kind of levelling gear for surveying instrument.
Background technique
In scientific research and engineering survey, usually to use many surveying instruments, usually need to be fixed on support during the work of these surveying instruments.Sometimes in order to reduce error, often require that instrument must horizontal positioned, therefore necessarily require can according to actual environment leveling for the support of retainer instrument, thus strict guarantee instrument horizontal positioned.
In Chinese utility model patent CN103792796A, disclose a kind of light shield support levelling gear.It adopts and arrange supporting frame on quadrangular base corner, connecting rod is stretched into supporting frame and with the lid in supporting frame bottom convex spherical fit, thus realize to light shield support carry out suspend regulate object.Owing to needing to regulate respectively the screw in the supporting frame of pedestal corner in leveling process, therefore leveling verification is more loaded down with trivial details, not easily fast completes.In addition, this mechanism is only applicable to the leveling of light shield frame, does not have applicability to other instruments.
In Chinese utility model patent CN203202525U, disclose a kind of support levelling gear of low frequency mechanical spectrometer.This mechanism, by axially connecting supporting frame, plug, screw and pad, regulates the cooperation of stud and nut, realizes regulating object.The defect of this mechanism mainly contains: one, and will use four these mechanisms during leveling and ensure that they are all in same level, this causes adjustment process more loaded down with trivial details, increases the amount of labour; Its two, owing to requiring four these mechanisms must coordinating with the hole in four of a low frequency mechanical spectrometer panel corner during leveling, therefore the size of this mechanism is limited by the size of panel hole, and versatility is poor; Its three, this mechanism is also only applicable to the leveling of low frequency mechanical spectrometer, and using scope is narrower, has narrow limitation.
Model utility content
For above-mentioned deficiency, the utility model provides a kind of support levelling gear being applicable to multiple surveying instrument, and its structure is simple, easy and simple to handle, effectively solves the instrument leveling difficult problem in scientific research and engineering survey.
For achieving the above object, the technological scheme that the application adopts is:
For a levelling gear for surveying instrument, comprising: working platform; Connect the connecting rod of working platform and levelling gear pole; The lever be connected with connecting rod by hinge and pedestal, coupling bar, rubber pad, adjustment member, support,
Spaced apartly on the support stationary face of described working platform be provided with several tapped hole, be fixed with a hexagonal base bottom working surface, three limits be separated by offer certain thickness concave station respectively, concave station inwall offers blind hole respectively with hexagonal base.
Described connecting rod is T-shaped connecting rod, and link rod head both ends of the surface have through hole, and coupling bar is arranged in this through hole, is interference fit with this through hole.
Described coupling bar is made up of peg, bolt body, spring, bolt body two ends have through hole, this through hole is little near the section diameter of section, intermediate portion diameter is large, it is inner that peg heads is arranged on bolt body, be stuck on the axle journal of bolt body inside under the action of the spring, the blind hole Spielpassung of the concave station inwall of peg afterbody and working platform pedestal.
Described lever one end is connected with T-shaped connecting rod afterbody by hinge, and the other end has one near the little T-shaped blind hole large away from end face diameter of end face diameter.
Described adjustment member one end head is T-shaped, the thickness of T-shaped end head is suitable with the degree of depth of lever T-shaped blind hole head, adjustment member T-shaped end and lever T-shaped blind hole Spielpassung, adjustment member and lever utilize the T-shaped design of self to link together and can rotate around common axis.The other end of adjustment member is provided with screw thread, and is configured to screw pair.
Described support one end has the tapped hole of certain depth, forms screw pair with the helical thread portion of adjustment member.The support the other end and rubber pad gluing.
The application compared with prior art has the following advantages:
One, because this mechanism only has three bearings to form levelling gear, therefore at most only needs to regulate two adjustment members wherein, just can be easy to realize leveling, have the advantages that installation precision is high, simple to operate;
Its two, after leveling completes, without the need to dismounting, permanent balance can be ensured, thus improve the working life of levelling gear;
Its three, the table plane of levelling gear is comparatively large, effectively can ensure the whole machine balancing after regulating;
Its four, this structure may be used for the use of multiple surveying instrument, has applicability widely;
Its five, due to larger area of work, fixing two or more surveying instrument can be laid simultaneously, therefore substantially increase instrument working efficiency and work convenience.
Accompanying drawing explanation
Fig. 1 is the levelling gear overall structure schematic diagram for surveying instrument.
Fig. 2 is the linkage structure schematic diagram of connecting rod and pedestal.
Fig. 3 is the partial sectional view of Fig. 2.
Fig. 4 is adjustment portion and each member connection structure schematic diagram.
In figure: 1. pedestal 2.T shape connecting rod 3. rubber pad 4. bearing 5. adjustment member 6. lever 7. hinge 8. working platform 9. leveling instrument.
Embodiment
A kind of levelling gear for surveying instrument provided the application below in conjunction with accompanying drawing and working principle are done and are further described in detail.
With reference to Fig. 1, Fig. 2, a kind of levelling gear for surveying instrument, by working platform 8, connect the T-shaped connecting rod 2 of working platform 8 and levelling gear pole, the lever 6 be connected with connecting rod 2 by hinge 7 and pedestal 1, coupling bar, rubber pad 3, adjustment member 5, prop up and be configured to.The adjustment strong point of this levelling gear relies on three supports to complete, and determines the principle of a plane according to 3, as long as connecting rod 2 and pedestal 1 binding site remain on same level, just can make working platform maintenance level.Pedestal 1 has two faces that leveling instrument 9 is housed, and according to space geometry theorem, if two leveling instrument reveal competences, then horizontal table is in level.Bearing 4, adjustment member 5, lever 6, pedestal constitute a Basic renewal theorem part, and adjustment member regulates the rack space position of each bar assembly, and three bar assemblies can determine the spatial position of pedestal 1 completely.First, regulate the height of wherein two supports, the leveling instrument reveal competence between them, then illustrate that the line of hinge 7 central point of these two supports is in level.Then regulate another support, make it be adjacent leveling instrument reveal competence between support, then leveling completes.
With reference to Fig. 3, T-shaped connecting rod 2 is a kind of structure with spring peg with the hinge of pedestal 1.T-shaped connecting rod 2 inside is shaft shoulder structure in, and its effect is fixing peg, linking springs between two pegs, and assembling rear spring is in certain compressive state.When support needs to change, can compress peg, connecting rod 2 is just separated with pedestal 1, thus reaches and change object easily.
With reference to Fig. 4, lever 6 is shaft shoulder structure in the assembling position of adjustment member 5, and the top of adjustment member 5 is arranged on this structure place, and adjustment member 5 can rotate around common axis in lever 6.The afterbody of adjustment member 5 has accurate thread, forms screw pair with the tapped hole of support.During adjustment, rotational adjustment member 5, the i.e. lifting of adjustable lever 6 relative seat 4, thus reach the horizontal object of adjustment.Rubber pad 3 is housed bottom bearing 4, can buffer load, fully contact with ground and ensure its stability.
Mechanism only needs knob adjustment member 5 to complete leveling, and leveling polyvinyl chloride is simple, convenient and rapid.The size of working platform 8 can require design modifying according to actual measurement, is therefore easy to applicable multiple measuring condition; Multiple instrument can be carried, therefore will distinguish the mechanism of leveling for each instrument, improve the accuracy of measurement greatly, reduce measurement error, save cost.
Claims (6)
1. for a levelling gear for surveying instrument, it is characterized in that: comprising: working platform; Connect the connecting rod of working platform and levelling gear pole; The lever be connected with connecting rod by hinge and pedestal, coupling bar, rubber pad, adjustment member, support,
Spaced apartly on the support stationary face of described working platform be provided with several tapped hole, be fixed with a hexagonal base bottom working surface, three limits be separated by offer certain thickness concave station respectively, concave station inwall offers blind hole respectively with hexagonal base.
2. levelling gear according to claim 1, is characterized in that: described connecting rod is T-shaped connecting rod, and link rod head both ends of the surface have through hole, and coupling bar is arranged in this through hole, is interference fit with this through hole.
3. levelling gear according to claim 1, it is characterized in that: described coupling bar is made up of peg, bolt body, spring, bolt body two ends have through hole, this through hole is little near the section diameter of section, intermediate portion diameter is large, it is inner that peg heads is arranged on bolt body, is stuck on the axle journal of bolt body inside under the action of the spring, the blind hole Spielpassung of the concave station inwall of peg afterbody and working platform pedestal.
4. levelling gear according to claim 1, is characterized in that: described lever one end is connected with T-shaped connecting rod afterbody by hinge, and the other end has one near the little T-shaped blind hole large away from end face diameter of end face diameter.
5. levelling gear according to claim 1, it is characterized in that: described adjustment member one end head is T-shaped, the thickness of T-shaped end head is suitable with the degree of depth of lever T-shaped blind hole head, adjustment member T-shaped end and lever T-shaped blind hole Spielpassung, adjustment member and lever utilize the T-shaped design of self to link together and can rotate around common axis; The other end of adjustment member is provided with screw thread, and is configured to screw pair.
6. levelling gear according to claim 1, is characterized in that: described support one end has the tapped hole of certain depth, forms screw pair with the helical thread portion of adjustment member; The support the other end and rubber pad gluing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520311101.0U CN204879338U (en) | 2015-05-15 | 2015-05-15 | A levelling mechanism for measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520311101.0U CN204879338U (en) | 2015-05-15 | 2015-05-15 | A levelling mechanism for measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204879338U true CN204879338U (en) | 2015-12-16 |
Family
ID=54823710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520311101.0U Expired - Fee Related CN204879338U (en) | 2015-05-15 | 2015-05-15 | A levelling mechanism for measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204879338U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105042293A (en) * | 2015-05-15 | 2015-11-11 | 桂林电子科技大学 | Leveling mechanism for measuring instruments |
| CN107966140A (en) * | 2017-12-29 | 2018-04-27 | 山东大学 | A kind of multi-functional accurate leveling tripod |
-
2015
- 2015-05-15 CN CN201520311101.0U patent/CN204879338U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105042293A (en) * | 2015-05-15 | 2015-11-11 | 桂林电子科技大学 | Leveling mechanism for measuring instruments |
| CN107966140A (en) * | 2017-12-29 | 2018-04-27 | 山东大学 | A kind of multi-functional accurate leveling tripod |
| CN107966140B (en) * | 2017-12-29 | 2023-11-03 | 山东大学 | Multifunctional accurate leveling tripod |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151216 Termination date: 20180515 |