CN201707049U - Forced centering device for precision engineering measurement - Google Patents
Forced centering device for precision engineering measurement Download PDFInfo
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- CN201707049U CN201707049U CN2010201939194U CN201020193919U CN201707049U CN 201707049 U CN201707049 U CN 201707049U CN 2010201939194 U CN2010201939194 U CN 2010201939194U CN 201020193919 U CN201020193919 U CN 201020193919U CN 201707049 U CN201707049 U CN 201707049U
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- thoughts
- sleeve
- main body
- plug
- returning home
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Abstract
The utility model provides a forced centering device for precision engineering measurement, which comprises a centering sleeve and an intermediate connecting piece, wherein the intermediate connecting piece comprises a main body and a plug; an insertion hole for inserting a prism or an elevation marker is formed on the main body; and the plug is in plug-in connection with the centering sleeve. The forced centering device is characterized in that a support plate, which is perpendicular to the axis of the centering sleeve and is connected to the surface of a permanent concrete structure, is arranged at the upper end part of the centering sleeve; a positioning groove is formed on the upper end edge of the centering sleeve; and a protrusion connected with the positioning groove on the upper end edge of the centering sleeve is formed on a limiting displacement shoulder of the intermediate connecting piece. The positioning groove on the centering sleeve and the protrusion on the intermediate connecting piece can ensure the consistence of the position relation of the centering sleeve and the intermediate connecting piece in repeated measurement, so that the deviation direction of the relative error of the repeated measurement datum has certainty, which is favorable for ensuring the measuring accuracy and the measuring reliability of the precision engineering. The utility model has the outstanding advantages of simple and unique structure and remarkable forced centering function.
Description
Technical field
The utility model belongs to the disjunction mark device that engineering survey is used, and especially relates to a kind of forced centering device that is used for precise engineering survey.
Background technology
Engineering survey is meant the various surveying works that carried out at engineering construction exploration, design, construction and management phase, and it directly serves a series of engineering operations such as exploration, design, construction, installation, completion, monitoring and operation management of every construction project.
Precise engineering survey adopts the measuring equipment and the instrument of millimeter level or submillimeter level, for guaranteeing the reference consistency of duplicate measurements, the disjunction mark device of measuring equipment and instrument is set up in requirement must avoid the error of centralization, and therefore existing disjunction mark device all adopts nonvolatil fixed form.
The disjunction mark device of existing permanent fixed form comprises observation pier or steel tripod and the forced centering device that is arranged on described observation pier or steel tripod.
In the forced centering device that adopts the observation pier; the structure that is used to install and measure prism and elevation measurement of the level signage is made up of thoughts of returning home sleeve and intermediate connector; described thoughts of returning home sleeve is combined as a whole with the observation pier to give the mode of burying; described intermediate connector is made of main body and plug; main body is provided with plug-in mounting measuring prism or elevation measurement of the level signage jack; plug engages with thoughts of returning home sleeve; the joint portion of main body and plug is the spacing shoulder that is engaged in thoughts of returning home sleeve bead, and thoughts of returning home sleeve bead is provided with tin hat.
Also there is following major defect in the above-mentioned employing observation permanent fixed form of pier by the forced centering device that thoughts of returning home sleeve and intermediate connector being used to of constituting installs and measures prism and elevation measurement of the level signage: because there are inevitable tolerance clearance in thoughts of returning home sleeve and intermediate connector, cause the verticality of intermediate connector to certainly exist deviation, the skew direction of this deviation that serious is has uncertainty, cause the relative error of duplicate measurements benchmark to become variable, greatly reduced precise engineering survey precision and reliability.
Summary of the invention
The utility model is for the relative error that solves aforementioned forced centering device duplicate measurements benchmark is the technical matters of variable, and discloses a kind of forced centering device that is used for precise engineering survey.
The utility model is taked following technical scheme for achieving the above object: this forced centering device is made up of thoughts of returning home sleeve and intermediate connector, described intermediate connector is made of main body and plug, main body is provided with the jack of plug-in mounting measuring prism or elevation measurement of the level signage, plug engages with thoughts of returning home sleeve, the joint portion of main body and plug is the spacing shoulder that is engaged in thoughts of returning home sleeve upper edge hole, feature is, thoughts of returning home sleeve upper end is provided with perpendicular to thoughts of returning home sleeve axis and is engaged in the supporting disk of permanent concrete body structure surface, thoughts of returning home sleeve upper end edge is provided with detent, and the spacing shoulder of intermediate connector is provided with the projection that is connected mutually with the detent of thoughts of returning home sleeve upper end edge.
The utility model can also be taked following technical measures:
Described thoughts of returning home sleeve is provided with the tin hat that covers its upper end edge, and tin hat is connected with the inside thread of thoughts of returning home sleeve.
Described intermediate connector is provided with axle, the axle two ends are respectively equipped with the inclined-plane, the main body of intermediate connector is provided with the manual locking bolt, the manual locking bolt is provided with the cone-shaped end that engages with axle one end inclined-plane, one side of intermediate connector plug is provided with the pin-and-hole vertical with axle, bearing pin one end in the pin-and-hole is provided with the inclined-plane that engages with axle other end inclined-plane, thoughts of returning home sleeve is provided with and the corresponding lockhole of the pin-and-hole of intermediate connector plug, bearing pin other end when axle promotes bearing pin engages with the lockhole locking, and the bearing pin end that engages with the lockhole locking is the sphere termination.
The oblique angle, inclined-plane at described axle two ends equates that angle is 45 °, and the angle of taper of described manual bolt cone-shaped end is 90 °, and the inclined-plane angle of bevel of described bearing pin is 45 °.
The main body of described intermediate connector is provided with manual tight fixed bolt in the position of corresponding measuring prism or elevation measurement of the level signage jack.
Its receptacle axis of jack and the main body axis of the plug-in mounting measuring prism of described intermediate connector main body setting or elevation measurement of the level signage coincide.
The plug-in mounting measuring prism that described intermediate connector main body is provided with or its receptacle axis of jack and the main body axis of elevation measurement of the level signage are perpendicular.
The beneficial effects of the utility model and advantage are: the consistance of position relation when the thoughts of returning home sleeve of this forced centering device and the detent that intermediate connector is provided with respectively and projection can guarantee duplicate measurements, even if there are tolerance clearance in thoughts of returning home sleeve and intermediate connector, also make the skew direction of the relative error of duplicate measurements benchmark have determinacy, thereby help having ensured precise engineering survey precision and reliability.Another version of this device is the detent mechanism that has increased the intermediate connector lengthwise position that is made of manual locking bolt, axle and bearing pin on the basis of aforementioned structure, helps having ensured precise engineering survey precision and reliability more.The utlity model has the outstanding significantly advantage of simple and ingenious structure, forced centering effect.
Description of drawings
Accompanying drawing 2 is tin hat structural representations.
Accompanying drawing 3 is that Fig. 2 A is to view.
Accompanying drawing 5 is embodiment 3 structural profile synoptic diagram.
Accompanying drawing 6 is Fig. 5 P portion zoomed-in views.
Accompanying drawing 7 is Fig. 5 H portion zoomed-in views.
Number in the figure: 1 thoughts of returning home sleeve, 1-1 detent, 2 supporting disks, 3a main body, 3a-1 jack, 3a-2 projection, 3b plug, 4 manual tight fixed bolts, 5 tin hats, 5-1 spin slot, 6 manual locking bolts, 7 axles, 8 bearing pins, 8-1 sphere termination.
Embodiment
Further specify the utility model below in conjunction with embodiment and accompanying drawing thereof.
The joint portion of the main body 3a of intermediate connector shown in Figure 1 and plug 3b is the spacing shoulder that is engaged in thoughts of returning home sleeve 1 upper end edge, plug 3b engages with thoughts of returning home sleeve 1, and the spacing shoulder of intermediate connector is provided with the projection 3a-2 that is connected mutually with the detent 1-1 of thoughts of returning home sleeve upper end edge shown in Figure 2.
Shown in Fig. 2,3, the thoughts of returning home sleeve 1 of vertical forced centering device is provided with the tin hat 5 that covers its upper end edge, and tin hat is connected with the inside thread of thoughts of returning home sleeve.Tin hat 5 can be provided with the spin slot 5-1 of being convenient to its dismounting of arbitrary form.Spin slot 5-1 shown in Fig. 2,3 is symmetrical recess, uses the of the prior art pair of bar spanner promptly can dismounting.
The peg graft joining relation of projection 3a-2 of the spacing shoulder setting in joint portion of the detent of relation and thoughts of returning home sleeve upper end edge and main body 3a and plug 3b of embodiment illustrated in fig. 42 plug 3b and thoughts of returning home sleeve 1 is identical with embodiment 1.Embodiment 2 thoughts of returning home sleeves 1 are provided with tin hat shown in Figure 2 equally.
As Fig. 5,6,7 illustrated embodiments 3 also is a kind of vertical forced centering device, and it comprises the thoughts of returning home sleeve 1 of embodiment 1 and supporting disk 2 thereof, by main body 3a and jack 3a-1 thereof, the manually intermediate connector that constitutes of tight fixed bolt 4 and plug 3b, the projection 3a-2 of the spacing shoulder of intermediate connector, the detent of thoughts of returning home sleeve upper end edge.
The intermediate connector of embodiment 3 is provided with axle 7, and the axle two ends are respectively equipped with the inclined-plane, and the oblique angle on inclined-plane equates that angle is 45 °.The main body 3a of intermediate connector is provided with manual locking bolt 6, and the cone-shaped end of manual locking bolt engages with inclined-plane, axle upper end, and the angle of taper of cone-shaped end is 90 °.Plug 3b one side of intermediate connector is provided with the pin-and-hole vertical with axle 7, and bearing pin 8 one ends in the pin-and-hole are provided with the inclined-plane that engages with inclined-plane, axle lower end, and bearing pin 8 inclined-plane angle of bevel are 45 °.Thoughts of returning home sleeve 1 is provided with and the corresponding lockhole of the pin-and-hole of intermediate connector plug.Its cone-shaped end will promote axle 7 and move down when manual locking bolt 6 screws in, and inclined-plane, axle 7 lower end moves pushing pin is axially outer, the sphere termination 8-1 of bearing pin be locked with the lockhole of thoughts of returning home sleeve 1 engage.
The structures such as lockhole of embodiment illustrated in fig. 53 axle 7, manual locking bolt 6, bearing pin 8 and thoughts of returning home sleeve 1 also are applicable to embodiment illustrated in fig. 42 horizontal forced centering device, repeat no more.
Claims (7)
1. forced centering device that is used for precise engineering survey, form by thoughts of returning home sleeve and intermediate connector, described intermediate connector is made of main body and plug, main body is provided with the jack of plug-in mounting measuring prism or elevation measurement of the level signage, plug engages with thoughts of returning home sleeve, the joint portion of main body and plug is the spacing shoulder that is engaged in thoughts of returning home sleeve upper edge hole, it is characterized in that: thoughts of returning home sleeve upper end is provided with perpendicular to thoughts of returning home sleeve axis and is engaged in the supporting disk of permanent concrete body structure surface, thoughts of returning home sleeve upper end edge is provided with detent, and the spacing shoulder of intermediate connector is provided with the projection that is connected mutually with the detent of thoughts of returning home sleeve upper end edge.
2. forced centering device according to claim 1 is characterized in that: described thoughts of returning home sleeve is provided with the tin hat that covers its upper end edge, and tin hat is connected with the inside thread of thoughts of returning home sleeve.
3. forced centering device according to claim 1, it is characterized in that: described intermediate connector is provided with axle, the axle two ends are respectively equipped with the inclined-plane, the main body of intermediate connector is provided with the manual locking bolt, the manual locking bolt is provided with the cone-shaped end that engages with axle one end inclined-plane, one side of intermediate connector plug is provided with the pin-and-hole vertical with axle, bearing pin one end in the pin-and-hole is provided with the inclined-plane that engages with axle other end inclined-plane, thoughts of returning home sleeve is provided with and the corresponding lockhole of the pin-and-hole of intermediate connector plug, bearing pin other end when axle promotes bearing pin engages with the lockhole locking, and the bearing pin end that engages with the lockhole locking is the sphere termination.
4. forced centering device according to claim 3 is characterized in that: the oblique angle, inclined-plane at described axle two ends equates that angle is 45 °, and the angle of taper of described manual bolt cone-shaped end is 90 °, and the inclined-plane angle of bevel of described bearing pin is 45 °.
5. forced centering device according to claim 1 is characterized in that: the main body of described intermediate connector is provided with manual tight fixed bolt in the position of corresponding measuring prism or elevation measurement of the level signage jack.
6. forced centering device according to claim 1 is characterized in that: its receptacle axis of jack and the main body axis of the plug-in mounting measuring prism of described intermediate connector main body setting or elevation measurement of the level signage coincide.
7. forced centering device according to claim 1 is characterized in that: the plug-in mounting measuring prism that described intermediate connector main body is provided with or its receptacle axis of jack and the main body axis of elevation measurement of the level signage are perpendicular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201939194U CN201707049U (en) | 2010-05-18 | 2010-05-18 | Forced centering device for precision engineering measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201939194U CN201707049U (en) | 2010-05-18 | 2010-05-18 | Forced centering device for precision engineering measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201707049U true CN201707049U (en) | 2011-01-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201939194U Expired - Lifetime CN201707049U (en) | 2010-05-18 | 2010-05-18 | Forced centering device for precision engineering measurement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201707049U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103076010A (en) * | 2013-01-25 | 2013-05-01 | 天津二十冶建设有限公司 | Fabrication method of forced centering observation pillar for precision engineering measurement and observation pillar |
| CN109141307A (en) * | 2018-09-10 | 2019-01-04 | 上海宝冶建筑工程有限公司 | A kind of support of pipelines precision measurement and detection method |
-
2010
- 2010-05-18 CN CN2010201939194U patent/CN201707049U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103076010A (en) * | 2013-01-25 | 2013-05-01 | 天津二十冶建设有限公司 | Fabrication method of forced centering observation pillar for precision engineering measurement and observation pillar |
| CN109141307A (en) * | 2018-09-10 | 2019-01-04 | 上海宝冶建筑工程有限公司 | A kind of support of pipelines precision measurement and detection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 300251 No. 10 Minjiang Road, Minquan gate, Tianjin, Hebei District Patentee after: China Railway Design Group Limited Address before: 300251 No. 10 Minjiang Road, Minquan gate, Tianjin, Hebei District Patentee before: China Railway Third Survey and Design Institute Group Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110112 |