CN201757648U - Centering support frame - Google Patents
Centering support frame Download PDFInfo
- Publication number
- CN201757648U CN201757648U CN2010202608752U CN201020260875U CN201757648U CN 201757648 U CN201757648 U CN 201757648U CN 2010202608752 U CN2010202608752 U CN 2010202608752U CN 201020260875 U CN201020260875 U CN 201020260875U CN 201757648 U CN201757648 U CN 201757648U
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- CN
- China
- Prior art keywords
- brake lever
- centering rod
- centering
- bracing frame
- pedestal
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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 relates to a centering support frame, which comprises a centering rod and a two-pin support frame, wherein an instrument connector is arranged at the top end of the centering rod; the two-pin support frame comprises two identical supporting rods; a round blister is formed on the centering rod; and the centering rod and the supporting rods comprise outer pipes and extensible inner pipes sleeved in the outer pipes. The centering support frame is characterized in that the centering support frame further comprises a base and a base connecting shaft; the base comprises a centering rod sleeve and a base connecting shaft sleeve; the centering rod sleeve and the base connecting shaft sleeve are fixed at intervals; the centering rod is parallel to the base connecting shaft; a connecting shaft choke plug is arranged at one end of the base connecting shaft, and the other end of the base connecting shaft is sleeved in the base connecting shaft sleeve for fixation; the centering rod is fixed in the centering rod sleeve through a spacing bolt; a bolt extending the connecting shaft is arranged at the connecting shaft choke plug in the axial direction of the connecting shaft; the top end of the supporting rod is connected with one end of a flexible joint, and a screw hole at the other end of the flexible joint is sleeved on the bolt; a locking wrench is arranged at the tail end of the bolt; and the supporting rods are locked in the plane through the axis of the centering rod.
Description
Technical field
The utility model relates to a kind of plotting board, particularly about a kind of centering bracing frame that is used to place instrument of surveying and mapping.
Background technology
Use before the instrument of surveying and mappings such as total powerstation, transit, personnel operation instrument for convenience need carry out centering leveling having on the centering bracing frame of certain altitude with the instrument hypothesis.The purpose of centering be make the center of instrument of surveying and mapping and bottom surface the measured point on same pedal line, the purpose of leveling is the axis vertical that makes instrument of surveying and mapping, levelness is up to the standard.After centering leveling is finished, measure the height of centre to the measured point, ground, indirect afterwards conversion becomes the true coordinate value of measured point.
Because the instrument of surveying and mapping that is arranged on centering bracing frame top has constant weight usually, and instrument of surveying and mapping needs often to move in the practical operation, and the careless slightly instrument that will cause topples, therefore to the stability requirement of centering bracing frame than higher.Existing tripod centering bracing frame normally centering rod and two bracing frames directly is connected and fixed on the top, and this makes that the whole center of gravity of centering bracing frame is higher; And because the accuracy in order to guarantee to measure, the foot of centering rod and bracing frame is set to taper usually, and this has more increased the weight of the top-heavy problem of centering bracing frame.
Summary of the invention
The utility model has proposed a kind of compact conformation, steadily of centre of gravity at the deficiencies in the prior art, but the centering bracing frame of free adjustment bracing frame length and secure lock centering rod height.
The technical solution of the utility model is as follows:
A kind of centering bracing frame, comprise centering rod, bipod bracing frame, wherein said centering rod top is provided with the instrument joint, described bipod bracing frame comprises two identical support bars, one circle bubble is set on the described centering rod, described centering rod and support bar include an outer tube and the telescopic interior pipe that is inserted in the outer tube, it is characterized in that: it also comprises a pedestal and pedestal coupling shaft, described pedestal comprises centering rod cover, the pedestal connecting bushing that be arranged in parallel, setting that described centering rod overlaps and the pedestal connecting bushing keeps at a certain distance away is fixed as one by stator; Described centering rod is parallel with described pedestal coupling shaft; Described pedestal coupling shaft one end is provided with coupling shaft silently, the other end is inserted in pedestal connecting bushing internal fixation, described centering rod is fixed in the described centering rod cover by caging bolt, and the described coupling shaft silently axis direction of upper edge coupling shaft is provided with a bolt that stretches out coupling shaft; Described supporting bar top connects an end of a flexible joint, and the screw on the other end of described flexible joint is socketed on the described bolt, and described bolt end is provided with a locking spanner.
On the end that described outer tube and described interior pipe box connect the brake lever assembly is set.
Described brake lever assembly comprises brake lever shell, brake lever piece, two brake lever sheets and spring; Described brake lever shell is the tubular of hollow, and an end is socketed on the end of described outer tube, and described interior pipe stretches out from the other end of described brake lever shell; Embed the brake lever piece on the sidewall of described brake lever shell, described brake lever sheet is arranged on the inwall relative with described brake lever piece in the described brake lever shell, and described spring is arranged between two brake lever sheets; Described brake lever piece submerges and the inflexed pawl of holding is set on the end face of a side of brake lever shell inside, describedly holds the inclined-plane that setting matches with brake lever sheet over spring one end on the pawl.
The one anti-core that shakes is set on the end of the part of pipe in described outer tube in described, and the described anti-external diameter that shakes the external diameter of core greater than pipe in described is less than the internal diameter of described outer tube.
Described flexible joint is a U-shaped connecting link, and the connection riser that is provided with on the described supporting bar top inserts between described U-shaped connecting link two arms, by bolt described connection riser and U-shaped connecting link is rotatably connected to together; The screw of described flexible joint is arranged on the connection transverse sheet that the opposite direction level of described connecting link two arms stretches out.
Be provided with one between the bolt on described screw and the described coupling shaft and be connected sheath.
The interior pipe and the outer tube of described centering rod and support bar are the carbon element aluminium alloy pipe.
Technique effect of the present utility model is as follows:
Centering bracing frame of the present utility model comprises centering rod, bipod bracing frame and pedestal coupling shaft, and wherein centering rod and pedestal coupling shaft be arranged in parallel, and fix by pedestal; Pedestal comprises centering rod cover and pedestal connecting bushing, and the pedestal connecting bushing is fixed in the bottom end of pedestal coupling shaft, and the centering rod cover is socketed in the centering rod middle part.The top of the top of bipod bracing frame and pedestal coupling shaft is fixed.The centering bracing frame can be used for fixing multiple instrument of surveying and mapping, regulates the height of instrument accurately, makes the main shaft of instrument of surveying and mapping perpendicular to the ground, and surveying instrument can be regulated exactly and be fixed on certain locus.
Because centering rod is fixing indirectly by pedestal coupling shaft and bipod bracing frame, and point of fixity is positioned at the middle part of centering rod, so the centre of gravity place of whole centering bracing frame can be adjusted by the relative position of pedestal coupling shaft and centering rod.Make the center of centering bracing frame of the present utility model be lower than common tripod centering bracing frame like this, in actual measurement, can more stably support the instrument of surveying and mapping that is arranged on the centering rod top, avoided the hidden danger of toppling.
Brake lever assembly of the present utility model is to hold the formula latch mechanism, and the user only need press the brake lever piece, outer tube can be pulled out or taken in to interior pipe, can adjust the length of centering rod and support bar rapidly.When centering rod and support bar are adjusted to Len req, decontrol the brake lever piece, spring is released the brake lever shell with the brake lever piece, holds pawl with pipe locking in being about on the brake lever piece, and with interior pipe and outer tube relative fixed firmly, use is simple and convenient, has saved the time of equipment debugging.
Description of drawings
Fig. 1 is a structural representation of the present utility model
Fig. 2 is a brake lever modular construction synoptic diagram of the present utility model
Fig. 3 is a supporting bar structure synoptic diagram of the present utility model
Wherein: the 1-centering rod; 11-instrument joint; Pipe in the 12-centering rod; 13-centering rod outer tube; 14-brake lever assembly; 141-brake lever shell; 142-brake lever piece; 143-brake lever sheet; The 144-spring; 145-holds pawl; 15-bubble assembly; 16-centering rod pin; 2-bipod bracing frame; The 21-support bar; 211-supports outer tube; Pipe in 212-supports; 213-brake lever assembly; The 214-connecting link; The 215-coupling bolt; The 216-support rod foot; 217-silently; 218-connects riser; 219-connects transverse sheet; 22-connects sheath; The 3-pedestal; 31-centering rod cover; 32-pedestal connecting bushing; The 33-stator; 4-pedestal coupling shaft; The 41-central siphon; The 42-coupling shaft silently; The 43-bolt; 44-locks spanner.
Embodiment
Below in conjunction with accompanying drawing the utility model is described.
As shown in Figure 1, centering bracing frame of the present utility model comprises centering rod 1 and bipod bracing frame 2, centering rod 1 is connected with pedestal coupling shaft 4 by pedestal 3 with bipod bracing frame 2, the length of the support bar on centering rod 1 and the bipod bracing frame 2 can be stretched on request, with the height of change centering rod 1 and the length of bipod bracing frame 2.Centering rod 1 comprises pipe 12, centering rod outer tube 13, brake lever assembly 14, bubble assembly 15, centering rod pin 16 in instrument joint 11, the centering rod.Wherein instrument joint 11 is tightened in the centering rod top of pipe 12 by screw thread, and brake lever assembly 14 is socketed in the top of centering rod outer tube 13.The external diameter of the interior pipe 12 of centering rod is less than the internal diameter of centering rod outer tube 13, and pipe 12 coaxial being arranged in the centering rod outer tube 13 in the centering rod, by brake lever assembly 14 pipe 12 in the centering rod is fixed on desired location, with the length of adjustment centering rod 1.Bubble assembly 15 comprises bubble seat and bubble, and the bubble seat is fixed on the outside of centering rod outer tube 13, and bubble lies on the bubble seat, is used to adjust the verticality of centering rod 1, and when bubble was in the center, centering rod 1 was perpendicular to surface level.
Centering rod pin 16 is installed on the centering rod outer tube 13 other end away from brake lever assembly 14, being used for centering rod 1 fixes with ground, centering rod pin 16 is arranged on the threaded top plane of managing the part in 12 in the centering rod and fixes a rubber bumper, with the screen resilience of pipe 12 when gliding the bottom in the buffering centering rod.In order to prevent in the centering rod that pipe 12 rocks with respect to centering rod outer tube 13, pipe 12 is positioned at and is provided with one on the end of part of centering rod outer tube 13 and prevents shaking core in centering rod, the anti-external diameter that shakes the external diameter of core greater than pipe 12 in the centering rod, and, but can not hinder pipe 12 turnover centering rod outer tubes 13 in the centering rod than a little bit smaller point of the internal diameter of centering rod outer tube 13.
As shown in Figure 2, brake lever assembly 14 is to hold the formula latch mechanism, comprises brake lever shell 141, brake lever piece 142 and brake lever sheet 143, spring 144, and wherein brake lever shell 141 is the sleeve of a hollow, and sleeve outer wall is opened the notch of a perforation outer wall vertically.Brake lever piece 142 is divided into the first half and the latter half, spring 144 with certain-length is set between the first half and the latter half, the global shape of brake lever piece 142 is a semi-cylindrical shaped, and the internal diameter of semicircular cylinder is identical with the external diameter of pipe 12 in the centering rod, can be fitted in the outside of pipe 12 in the centering rod.End away from spring 144 on the first half of brake lever piece 142 and the latter half is set to brake lever piece 142 springs 144 direction convergent inclined-planes.The length of brake lever sheet 143 and width all are slightly less than the length and the width of brake lever shell 141 notches, make that brake lever sheet 143 can be free by notch turnover brake lever shell 141.
The part that brake lever sheet 143 is exposed to brake lever shell 141 outsides is a handle, brake lever sheet 143 submerges part in the brake lever shell 141 to the inner recess of brake lever sheet 143, depression is a semicylindrical cambered surface, the radian of cambered surface matches with the outside surface of pipe 12 in the centering rod, parallel the stretching out in the both sides of cambered surface forms parallel side, and pipe 12 can be from the depression of the brake lever sheet 143 of coming in and going out between two parallel side in the centering rod.The two ends at each edge, side of the depression of brake lever sheet 143 all be provided with to brake lever sheet 143 external parallel stretch out have a radian hold pawl 145, the radian of holding pawl 145 matches with the external diameter of pipe 12 in the centering rod, when brake lever sheet 143 At time of eject outside brake lever shell 141, hold pawl 145 and can catch in the centering rod pipe 12 its locking.Holding of brake lever sheet 143 edges, the same side relative inclined-plane is set on the pawl 145, this inclined-plane matches with the inclined-plane of brake lever piece 142 the first half and the latter half.
When brake lever sheet 143 handles were pressed in brake lever shell 141 notches, the be in one's hands power of along continuous straight runs on the pawl 145 of effect was depressed the inclined-plane of brake lever piece 142 by holding inclined-plane on the pawl 145, makes the first half of brake lever piece 142 and the length of spring compressed between the latter half.When brake lever sheet 143 continues to press, the semicircular cylinder of the cambered surface of the depression in the brake lever sheet 143 and brake lever piece 142 is formed a complete cylinder gradually, when pipe 12 passes through in the inside of the cylinder permission centering rod, can realize that the interior pipe 12 of centering rod passes in and out the adjustment of the length of centering rod outer tubes 13.When pipe 12 parts of stretching out king-rod outer tube 13 reach Len req in the king-rod, promptly decontrol handle, the first half of brake lever piece 142 and the spring between the latter half reset immediately, brake lever piece 142 ramps promote to hold the pawl ramp, make brake lever sheet 143 outside mobile to brake lever shell 141 notches, hold pawl and catch in the king-rod pipe 12, realize the fixing of pipe 12 in the centering rod its locking.
As Fig. 1, shown in Figure 3, bipod bracing frame 2 comprises that two identical support bars 21 are connected sheath 22 with one, and wherein each support bar 21 comprises support outer tube 211, supports interior pipe 212, brake lever assembly 213, connecting link 214, coupling bolt 215 and support rod foot 216.The external diameter of pipe 212 is less than the internal diameter that supports outer tube 211 in wherein supporting, and pipe 212 can freely be come in and gone out and be supported outer tube 211 in feasible the support.Support outer tube 211 1 ends brake lever assembly 213 is set, the other end is provided with support rod foot 216, and wherein the 26S Proteasome Structure and Function of the brake lever assembly 14 on brake lever assembly 213 and the centering rod 1 is all identical.An end of pipe 212 is inserted in and supports in the outer tube 211 in supporting, and undertaken spacing by brake lever assembly 213, one stay pipe silently 217 is set on the other end of pipe 212 in supporting, and stay pipe silently 217 top connects riser 218 simultaneously, and the screw of a perforation is offered at the middle part that connects riser 218.Connecting link 214 is a U-shaped, two arm end symmetrical of U-shaped are provided with two pin-and-holes, connecting riser 218 is arranged between two arms, one nut passes the pin-and-hole and the screw that is connected riser 218 on 214 liang of arm ends of connecting link, pipe 212 is rotatably mounted to together with connecting link 214 and in supporting, and pipe 212 can rotate in the plane of the axis by centering rod 1 in supporting.The bottom of U-shaped on the connecting link 214, the direction level opposite with two arms are stretched out one and are connected transverse sheet 219, and a screw that connects is offered at the middle part that connects transverse sheet 219.
As Fig. 1, shown in Figure 3, the coupling shaft that coupling shaft 4 comprises a central siphon 41 and is arranged on central siphon 41 tops silently 42 silently is provided with a screw in 42 center at coupling shaft, and a bolt 43 passes coupling shaft silently 42 by this screw, and bolt 43 ends are provided with a locking spanner 44.Locking spanner 44 is used for the connecting link on the bipod bracing frame 2 214 is locked at the terminal and coupling shaft of bolt silently between 42 at a certain angle.
Connecting connection transverse sheet 219, a pad, the connection transverse sheet 219 of another support bar 21, another pad that is inserted in a support bar 21 on the sheath 22 successively when mounted, the borehole jack that will connect sheath 22 centers is afterwards gone into bolt 43, and the end of bolt 43 is locked the connecting link on the bipod bracing frame 2 214 by locking spanner 44.When the locking spanner loosened, the connecting link 214 of two support bars 21 can be adjusted in the plane parallel with surface level; When the locking spanner tightened up, the connecting link 214 of two support bars 21 was fixed on the top of coupling shaft 4 at a certain angle.
As shown in Figure 1, pedestal 3 comprises centering rod cover 31, pedestal connecting bushing 32 and the stator 33 that be arranged in parallel, and wherein centering rod cover 31 and pedestal connecting bushing 32 be arranged in parallel, fix by stator 33 between the two.Coupling shaft 4 central siphons 41 away from coupling shaft silently an end of 42 be fixed in the pedestal connecting bushing 32, centering rod 1 passes centering rod cover 31, centering rod cover 31 is arranged on the middle part of centering rod 1 by caging bolt 34, and can move up and down along centering rod 1.
When centering bracing frame of the present utility model in use, at first the centering rod pin 16 with centering rod 1 stands on a bit, loosens the caging bolt 34 on the pedestal 3, and pedestal 3 is adjusted to suitable height.Press the brake lever piece 142 of the brake lever assembly 213 on the bipod bracing frame 2 afterwards, adjust the length and the relative position of support bar 21 in the bipod bracing frame 2, bubble in the bubble assembly 15 is adjusted to the center, this moment, centering rod 1 was perpendicular to surface level, decontrol brake lever piece 142, the length of support bar 21 is fixed, and will lock spanner 43 lockings.Press the brake lever piece 142 of the brake lever assembly 14 on the centering rod 1 at last, adjust the height that centering rod 1 reaches to be needed.
Should be pointed out that the above embodiment can make those skilled in the art more fully understand the invention, but do not limit the present invention in any way creation.Therefore; although this instructions has been described in detail the invention with reference to drawings and Examples; but; those skilled in the art are to be understood that; still can make amendment or be equal to replacement the invention; in a word, all do not break away from the technical scheme and the improvement thereof of the spirit and scope of the invention, and it all should be encompassed in the middle of the protection domain of the invention patent.
Claims (7)
1. centering bracing frame, comprise centering rod, bipod bracing frame, wherein said centering rod top is provided with the instrument joint, described bipod bracing frame comprises two identical support bars, one circle bubble is set on the described centering rod, described centering rod and support bar include an outer tube and the telescopic interior pipe that is inserted in the outer tube, it is characterized in that: it also comprises a pedestal and pedestal coupling shaft, described pedestal comprises centering rod cover, the pedestal connecting bushing that be arranged in parallel, setting that described centering rod overlaps and the pedestal connecting bushing keeps at a certain distance away is fixed as one by stator; Described centering rod is parallel with described pedestal coupling shaft; Described pedestal coupling shaft one end is provided with coupling shaft silently, the other end is inserted in pedestal connecting bushing internal fixation, described centering rod is fixed in the described centering rod cover by caging bolt, and the described coupling shaft silently axis direction of upper edge coupling shaft is provided with a bolt that stretches out coupling shaft; Described supporting bar top connects an end of a flexible joint, and the screw on the other end of described flexible joint is socketed on the described bolt, and described bolt end is provided with a locking spanner.
2. a kind of centering bracing frame as claimed in claim 1 is characterized in that: on the end that described outer tube and described interior pipe box connect the brake lever assembly is set.
3. a kind of centering bracing frame as claimed in claim 2 is characterized in that: described brake lever assembly comprises brake lever shell, brake lever piece, two brake lever sheets and spring; Described brake lever shell is the tubular of hollow, and an end is socketed on the end of described outer tube, and described interior pipe stretches out from the other end of described brake lever shell; Embed the brake lever piece on the sidewall of described brake lever shell, described brake lever sheet is arranged on the inwall relative with described brake lever piece in the described brake lever shell, and described spring is arranged between two brake lever sheets; Described brake lever piece submerges and the inflexed pawl of holding is set on the end face of a side of brake lever shell inside, describedly holds the inclined-plane that setting matches with brake lever sheet over spring one end on the pawl.
4. a kind of centering bracing frame as claimed in claim 1 is characterized in that: an anti-core that shakes is set on the end of the part of pipe in described outer tube in described, and the described anti-external diameter that shakes the external diameter of core greater than pipe in described is less than the internal diameter of described outer tube.
5. a kind of centering bracing frame as claimed in claim 1, it is characterized in that: described flexible joint is a U-shaped connecting link, the connection riser that is provided with on the described supporting bar top inserts between described U-shaped connecting link two arms, by bolt described connection riser and U-shaped connecting link is rotatably connected to together; The screw of described flexible joint is arranged on the connection transverse sheet that the opposite direction level of described connecting link two arms stretches out.
6. as claim 1 or 5 described a kind of centering bracing frames, it is characterized in that: be provided with one between the bolt on described screw and the described coupling shaft and be connected sheath.
7. as claim 1 or 5 described a kind of centering bracing frames, it is characterized in that: the interior pipe and the outer tube of described centering rod and support bar are the carbon element aluminium alloy pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202608752U CN201757648U (en) | 2010-07-16 | 2010-07-16 | Centering support frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202608752U CN201757648U (en) | 2010-07-16 | 2010-07-16 | Centering support frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201757648U true CN201757648U (en) | 2011-03-09 |
Family
ID=43644930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202608752U Expired - Fee Related CN201757648U (en) | 2010-07-16 | 2010-07-16 | Centering support frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201757648U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103528564A (en) * | 2013-10-29 | 2014-01-22 | 天津铁三院实业有限公司 | Height measurement system and method for area with great drop |
| CN104061919A (en) * | 2014-06-11 | 2014-09-24 | 苏州华徕光电仪器有限公司 | Prism centering rod |
| CN104061916A (en) * | 2014-06-11 | 2014-09-24 | 苏州华徕光电仪器有限公司 | Support rack for plotting instrument |
| CN104142146A (en) * | 2014-07-23 | 2014-11-12 | 苏州华徕光电仪器有限公司 | Centering rod support |
| CN104482927A (en) * | 2014-12-12 | 2015-04-01 | 单家义 | Telescopic centering rod for surveying and mapping |
| CN105202329A (en) * | 2015-09-19 | 2015-12-30 | 桂林理工大学 | Rapid centering and leveling bracket for tacheometry |
| CN108759805A (en) * | 2018-07-25 | 2018-11-06 | 刘谦 | A kind of high-precision engineering survey centering lever apparatus |
| CN109307132A (en) * | 2018-12-04 | 2019-02-05 | 大连圣博尔测绘仪器科技有限公司 | The scale bipod in adjustable feet orientation |
| CN111121739A (en) * | 2019-12-24 | 2020-05-08 | 深圳市长勘勘察设计有限公司 | Centering rod device for high-precision engineering measurement |
-
2010
- 2010-07-16 CN CN2010202608752U patent/CN201757648U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103528564A (en) * | 2013-10-29 | 2014-01-22 | 天津铁三院实业有限公司 | Height measurement system and method for area with great drop |
| CN104061919A (en) * | 2014-06-11 | 2014-09-24 | 苏州华徕光电仪器有限公司 | Prism centering rod |
| CN104061916A (en) * | 2014-06-11 | 2014-09-24 | 苏州华徕光电仪器有限公司 | Support rack for plotting instrument |
| CN104061916B (en) * | 2014-06-11 | 2016-02-17 | 苏州华徕光电仪器有限公司 | Instrument of surveying and mapping bracing frame |
| CN104142146A (en) * | 2014-07-23 | 2014-11-12 | 苏州华徕光电仪器有限公司 | Centering rod support |
| CN104142146B (en) * | 2014-07-23 | 2016-08-17 | 苏州华徕光电仪器有限公司 | Centering rod support |
| CN104482927A (en) * | 2014-12-12 | 2015-04-01 | 单家义 | Telescopic centering rod for surveying and mapping |
| CN105202329A (en) * | 2015-09-19 | 2015-12-30 | 桂林理工大学 | Rapid centering and leveling bracket for tacheometry |
| CN108759805A (en) * | 2018-07-25 | 2018-11-06 | 刘谦 | A kind of high-precision engineering survey centering lever apparatus |
| CN109307132A (en) * | 2018-12-04 | 2019-02-05 | 大连圣博尔测绘仪器科技有限公司 | The scale bipod in adjustable feet orientation |
| CN111121739A (en) * | 2019-12-24 | 2020-05-08 | 深圳市长勘勘察设计有限公司 | Centering rod device for high-precision engineering measurement |
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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: 20110309 Termination date: 20170716 |