CN106475990B - A kind of concrete column mould positioning device and its construction method - Google Patents
A kind of concrete column mould positioning device and its construction method Download PDFInfo
- Publication number
- CN106475990B CN106475990B CN201610986677.6A CN201610986677A CN106475990B CN 106475990 B CN106475990 B CN 106475990B CN 201610986677 A CN201610986677 A CN 201610986677A CN 106475990 B CN106475990 B CN 106475990B
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- graduated scale
- bar
- spot
- funnel
- positioning device
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H7/00—Marking-out or setting-out work
- B25H7/04—Devices, e.g. scribers, for marking
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The present invention relates to concrete columns to touch the technology of pouring, more specifically, it is related to a kind of utilization concrete column mould positioning device and its construction method, concrete positioning device used in column mould position fixing process includes, it is inserted directly into the on the spot bar in soil, the graduated scale of rotation connection is on the spot set on bar, setting holds the funnel of lime powder below graduated scale, the funnel can move in a circle under graduated scale effect around on the spot bar, and pallet is on the spot arranged between bar and graduated scale and graduated scale can be rotated on pallet around on the spot bar；Screw thread is provided between pallet and upright bar.The present invention solves the problems, such as that the lime powder when adjusting graduated scale and hopper level in funnel is easily unrestrained, having achieved the effect that graduated scale and funnel, position is constant in the horizontal direction and slowly can smoothly go up and down, to guarantee that the lime powder in funnel is not easy to trickle down.
Description
Technical field
The present invention relates to concrete columns to touch the technology of pouring, more specifically, it relates to which a kind of positioned using concrete column mould
Device and its construction method.
Background technique
The positioning of existing concrete column mould the construction line-putting is made behind position mainly using bikini is used in concrete topping
On hammer into steel nail；Axial line control point is chosen first with theodolite when carrying out the positioning of column mould and is launched into foundation trench, in axis
Set up theodolite on line traffic control point, along this axis direction it is spaced apart after in iron nail insertion soil and interim control being arranged
White rope yarn is tied up on iron nail and by white rope yarn straightening, fixes on iron nail and mark just with coloured cloth by point
In observation, according to drawing size tape measure radius, it is fixed that picture is carried out as radius using iron nail as the length of center of circle tape measure
Range, using iron nail as the center of circle, the good radius of tape measure, which determines three points and respectively again insertable into coloured iron nail, is
It can determine the range to be chosen, error is larger when bikini unwrapping wire worker's formwork erection operates, and needs repeatedly to utilize the works such as tape measure
Tool measures, surveying setting-out heavy workload.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of utilization concrete column mould positioning device
And its construction method, it solves the positioning of existing column mould and needs repeatedly measurement so that larger workload, while more people being needed to cooperate
The problem of at waste of manpower.
To achieve the above object, the present invention provides the following technical scheme that
A kind of concrete column mould positioning device, used positioning device includes in concrete column mould position fixing process, directly
The on the spot bar being inserted in soil is connect, the graduated scale of rotation connection is on the spot set on bar, setting holds lime powder below graduated scale
Funnel, which can move in a circle under graduated scale effect around on the spot bar, and pallet is on the spot arranged between bar and graduated scale
And graduated scale can be rotated on pallet around on the spot bar.
By using above-mentioned technical proposal, when needing to carry out division region to formulation place, previous method is usually
After survey crew determines column mould center；Using column mould central point as dot, go out preset radius using tape measure
Length, while the minimum region for needing three points and circular cooperation that could finally determine positive round of circular composition, therefore with column
Mould center is that the center of circle needs at least to determine radius using tape measure three times, and tape measure one end is located at the point that the centre point other end determines and is
Measurement point, the distance between measurement point and circle are then finally determining radius length, this circle is column mould installation site；Now
Without repeatedly measurement after improving, when it needs to be determined that making to stand under the on the spot soil of bar insertion earth's surface first when column mould position
The thin end of the scroll insertion soil post-positioning device is fixed, and the radius measured at this time by graduated scale is consistent with preset value, due to graduated scale
It can be rotated by pallet between on the spot bar, using on the spot bar midpoint as the center of circle, graduated scale rotates graduated scale around the center of circle
After a week, the funnel below graduated scale is also synchronous rotates a circle around the center of circle, and the lime powder in funnel is uniform
It trickles down around on the spot bar, final ground is formed using on the spot bar as the center of circle, and funnel on the spot bar distance is the circle of radius, at this time column
Mould installation site, which determines, to be completed.
As an improvement of the present invention, the hollow sandwich being in communication with the outside is set on the pallet, in hollow sandwich setting with
The turntable that graduated scale is fixedly connected.
By using above-mentioned technical proposal, when graduated scale carries out circular motion around on the spot bar, what is connect on the spot bar
Hollow sandwich is provided on pallet, the turntable in hollow sandwich can drive graduated scale to carry out circular motion, while the big portion of turntable
To divide and is hidden in the hollow sandwich of pallet, the section of pallet shows that turntable is clamped between pallet by the roof of pallet and bottom wall,
Turntable is avoided directly to contact with extraneous.
As an improvement of the present invention, the turntable upper and lower surface is provided with several first sliding grooves, hollow sandwich inner roof wall
It is provided with second sliding slot with bottom wall, several balls are provided between first sliding groove and second sliding slot.
By using above-mentioned technical proposal, only after turntable rotation, graduated scale carries out circular motion around on the spot bar, turns
The upper surface and lower surface of disk are provided with several first sliding grooves, and the roof in hollow sandwich is provided with bottom wall and first sliding groove
The second sliding slot of cooperation is provided with several balls between first sliding groove and second sliding slot, after stirring graduated scale rotation, turntable
The hollow sandwich started in pallet is rotated, and ball can be turned in first sliding groove and second sliding slot after turntable rotation
It is dynamic.
As an improvement of the present invention, sliding assembly is set between the funnel and graduated scale.
By using above-mentioned technical proposal, determines when radius it is required that funnel slides onto the position of preset value, select
Funnel may make to carry out circular motion around on the spot bar after radius, sliding assembly is provided between funnel and graduated scale can be with
So that funnel carries out sliding and finally looking for the radius length of anticipation on the scale.
As an improvement of the present invention, the sliding assembly includes the external member on graduated scale, is set between external member and funnel
Set connecting rod.
By using above-mentioned technical proposal, sliding assembly is in sliding, the main external member band by socket on the scale
Dynamic funnel is slided, and due to the connecting rod connecting with funnel, the setting of connecting rod can be in vertical side for the bottom setting of external member
To be fixed between funnel and graduated scale, funnel is avoided during around on the spot bar moves in a circle due to gas
The influence of stream, which causes funnel to shake on the scale, causes accuracy to decline.
As an improvement of the present invention, it is provided with the socket for being socketed on graduated scale in the external member, is socketed roof and bottom wall
Place is respectively provided with shaft and the pulley with shaft socket, and graduated scale upper surface is provided with the sliding rail with pulley cooperation.
By using above-mentioned technical proposal, socket is socketed on graduated scale, while in order to reduce external member and graduated scale in cunning
The larger frictional force generated during dynamic, therefore pulley is provided in external member, the cunning with pulley cooperation is provided on graduated scale
Rail.
As an improvement of the present invention, it is provided with hole on the external member and graduated scale, hole is multiple on graduated scale, set
Hole on part is one, and the fixing bolt of hole is arranged through in external member.
By using above-mentioned technical proposal, is slided into external member and need to fix set behind the position of preset value on graduated scale
Part, external member caused by avoiding because of impersonal force carries out sliding on the scale easily influences accuracy, therefore in the side wall of external member
Upper setting hole is again provided with hole identical with hole in external member on the side wall of graduated scale, when external member slide into it is default
Be worth position after, in external member and graduated scale between hole overlap, at this time using fixing bolt pass through hole make external member with
Graduated scale is completed to fix.
As an improvement of the present invention, support component is arranged in the on the spot bar outer wall.
By using above-mentioned technical proposal, it is contemplated that the compactness of different soil is different, therefore when soil more loosens
When, the lime powder that funnel surrounds that on the spot bar progress circular motion can make funnel spill on the scale at this time shifts；?
On the spot bar bottom is provided with support component, and support component can play the role of plus firm fixed on the spot bar, avoids on the spot bar hair
Raw the case where shaking.
As an improvement of the present invention, the support component includes several support rods positioned at the setting of on the spot bar outer wall, support
Rotation axis is set between bar and on the spot bar outer wall, on the spot section is right angled triangle between bar, support rod and ground.
It is drawn first by using above-mentioned technical proposal when the thin end of the scroll that needs to oppose using support component is supported effect
Support rod is stretched out, post upper is rotatablely connected on the spot bar by shaft, and support rod lower end can close on the spot bar or far
From on the spot bar, can be inserted into soil on the spot bar after they sup-port is opened, support rod, which is at least three, can stablize on the spot
Bar.
A kind of concrete positioning device application method, this method include be fixed on ground and insertion earth's surface it is below on the spot
Bar is on the spot successively provided with pallet, graduated scale, external member and funnel using on the spot bar as the center of circle on bar outward, graduated scale and external member it
Between be fixed by fixing bolt, on the spot bar slides external member on the scale after being fixed on ground straight up, measurement
Personnel by column mould center determine after by concrete column mould positioning tool on the spot bar as center；Existed according to pillar diameter
It is adjusted on graduated scale to required scale and is fixed graduation position with fixing bolt；By in lime hopper, set below funnel
It is equipped with plug；Operator pulls up plug, and the circle for obtaining pillar diameter size on the ground is rotated by 360 ° along the center of circle, this
Circle is column mould installation site；Tool is positioned come positioning column mould by concrete column mould, and survey crew only needs column mould accurately
Central point release can, the position of column mould then can accurately be determined using the tool, the work for both having reduced survey crew is strong
Degree greatly improves the accuracy of column mould position again.
The present invention, which has, to be solved the positioning of existing column mould and needs repeatedly measurement so that larger workload, while more people being needed to match
Close the advantage for completing waste of manpower.
Detailed description of the invention
Fig. 1 is that the support rod of the present embodiment recycles status diagram；
Fig. 2 is the support rod open configuration schematic diagram of the present embodiment；
Fig. 3 is the schematic top plan view of the present embodiment；
Fig. 4 is the A-A diagrammatic cross-section of Fig. 3；
Fig. 5 is two schematic diagram of embodiment；
Fig. 6 is the portion the B enlarged diagram of Fig. 2；
Fig. 7 is the portion the C enlarged diagram of Fig. 4；
Fig. 8 is the portion the D enlarged diagram of Fig. 4.
Appended drawing reference: 110, on the spot bar；111, graduated scale；112, funnel；113, pallet；114, hollow sandwich；115, turn
Disk；116, ball；117, external member；118, connecting rod；119, socket；210, pulley；211, sliding rail；212, fixing bolt；
213, support rod；214, rotation axis；215, screw thread；216, first sliding groove；217, second sliding slot；218, shaft；219, hole.
Specific embodiment
Embodiment is described further referring to attached drawing.
A kind of concrete column mould positioning device and its construction method, referring to figs. 1 to Fig. 4, positioning device used for positioning
It is mainly made of on the spot bar 110, funnel 112 and graduated scale 111, pallet 113 is on the spot set on bar 110, is provided on pallet 113
The external member 117 of rectangular-ambulatory-plane is arranged on graduated scale 111 for the graduated scale 111 being rotatably connected, and 117 bottom of external member is connected with company in turn
Meal outlet and the rubber blocking piece at meal outlet is arranged on funnel 112 in extension bar 118 and funnel 112.
Embodiment one:
When needing to carry out partition positioning to concrete column mould at present, generallys use and followed closely on concrete topping after making position
Enter the mode of steel nail, error is larger when bikini unwrapping wire worker's formwork erection operates, surveying setting-out heavy workload；Improved positioning dress
Set need to carry out using when will on the spot be inserted into below earth's surface in soil bar 110, on the spot it is whole to be inserted into soil post-positioning device for bar 110
The fixed early ground of body, while sliding suite 117 drives funnel 112 to be slided on graduated scale 111, external member 117 stops rear enclosure
Part 117 is embodied on graduated scale 111 with the numerical value that on the spot the distance between bar 110 is preset value, and 117 graduated scale 111 of external member is surveyed
The radius measured is consistent with preset value, can carry out circular motion by pallet 113 between graduated scale 111 and on the spot bar 110；It will
On the spot the central point of bar 110 will be located at 111 length of graduated scale being rotatablely connected on the spot bar 110 with pallet 113 and make as dot
For radius, the blocking piece extracted at this time positioned at discharge outlet makes 112 words spoken by an actor from offstage ashes of funnel fall, manually surrounds graduated scale 111
The center of circle rotates after a week, and the funnel 112 positioned at 111 lower section of graduated scale is also synchronous to rotate a circle around the center of circle, is located at funnel
Lime powder in 112 uniformly trickle down on the spot bar 110 for the center of circle around, graduated scale 111 rotate 360 degree after on surface soil
Form the circular columns mould region on the spot bar 110 for the center of circle.
When graduated scale 111 carries out 360 degree of movements around on the spot bar 110, set on the pallet 113 being connect on the spot bar 110
It is equipped with hollow sandwich 114, the turntable 115 in hollow sandwich 114 may be rotated, final that graduated scale 111 is driven to carry out circumference
Movement, the major part of turntable 115 are hidden in the hollow sandwich 114 of pallet 113, and the section of pallet 113 shows that turntable 115 is held in the palm
The roof and bottom wall of disk 113 are clamped between pallet 113, and after the rotation of turntable 115, graduated scale 111 is carried out around on the spot bar 110
Circular motion, the upper surface of turntable 115 and lower surface are provided with several first sliding grooves 216, the roof in hollow sandwich 114 with
Bottom wall is provided with the second sliding slot 217 cooperated with first sliding groove 216, is provided between first sliding groove 216 and second sliding slot 217
Several balls 116, after stirring the rotation of graduated scale 111, turntable 115 starts 114 turns of hollow sandwich in pallet 113
It is dynamic.
It determines when radius it is required that funnel 112 slides onto the position of preset value, may make funnel after having selected radius
112 carry out circular motion around on the spot bar 110, and sliding assembly is provided between funnel 112 and graduated scale 111 can to leak
Bucket 112 in the enterprising line slip of graduated scale 111 and finally looks for the radius length of anticipation.
Referring to Fig. 6 to Fig. 8, the external member 117 being socketed on graduated scale 111 drives funnel 112 to be slided, external member 117
The connecting rod 118 due to connecting with funnel 112 is arranged in bottom, and the setting of connecting rod 118 can make funnel 112 in vertical direction
It is fixed between graduated scale 111, avoids funnel 112 during around on the spot bar 110 moves in a circle due to gas
The influence of stream, which causes funnel 112 to shake on graduated scale 111, causes accuracy to decline, while set is provided in external member 117
It is connected to the socket 119 of graduated scale 111, the pulley that shaft 218 is respectively provided at socket roof and bottom wall and is socketed with shaft 218
210,111 upper surface of graduated scale and lower surface are provided with the sliding rail 211 cooperated with pulley 210,119 sets of the socket of rectangular-ambulatory-plane
It is connected to graduated scale 111, while in order to reduce the larger frictional force that external member 117 and graduated scale 111 generate in sliding process, therefore
It is provided with pulley 210 in external member 117, the sliding rail 211 cooperated with pulley 210 is provided on graduated scale 111.
It needs to fix set behind the position of preset value on graduated scale 111 when external member 117 drives the funnel 112 of lower section to slide into
Part 117, external member 117 caused by avoiding because of impersonal force carries out sliding on graduated scale 111 easily influences accuracy, therefore is covering
Hole 219 is set on the side wall of part 117, is again provided on the side wall of graduated scale 111 identical as hole 219 in external member 117
Hole 219, after external member 117 slides into preset value position, external member 117 on graduated scale 111 between 219 phase mutual respect of hole
It closes, passes through hole 219 using fixing bolt 212 at this time and external member 117 and graduated scale 111 is made to complete to fix；Due to each department
Soil density is different, and quality is also different, therefore when soil more loosens, and funnel 112 is on graduated scale 111 around on the spot at this time
The lime powder that bar 110 carries out circular motion and funnel 112 can be made to spill shifts；It is provided on the spot 110 bottom of bar several
Support rod 213, support rod 213 can play the role of plus firm fixed on the spot bar 110, avoids what on the spot bar 110 shook
Situation；When the thin end of the scroll 110 that needs to oppose using support component is supported effect, support rod 213 stretched first, support rod 213
Upper end is rotatablely connected on the spot bar 110 by shaft 218, and 213 lower end of support rod can be close on the spot bar 110 or far from the spot
Bar 110.
Embodiment two:
Referring to Fig. 5, it is provided with screw thread 215 between pallet 113 and on the spot bar 110, it is true by graduated scale 111 when needing
It can make pallet 113 that graduated scale 111 be driven to rise on the spot 110 top of bar when determining radius, be convenient for measuring personnel and observe scale
Whether ruler 111 is vertical as preset value, and after determination finishes radius, the fixed graduated scale 111 of hand is motionless, at this time Rotary tray
113 are rotated on the spot bar 110, and screw thread 215 is rotatablely connected between pallet 113 and on the spot bar 110, pallet 113 and turntable
115 are rotatablely connected by ball 116, thus when pallet 113 turns on the spot 110 lower part of bar will not make it is white in funnel 112
Ashes is fallen, pallet 113 on the spot bar 110 by horizontally rotating realization descending operation, but between turntable 115 and graduated scale 111
Lifting rotation is only carried out, funnel 112 moves close to ground defensive position and fixes pallet 113, and another hand slowly rotates graduated scale 111 i.e.
It can；Fast-turn threads 215 are needed to enable pallet 113 quickly vertical when pallet 113 is rotated on the spot bar 110
Descending operation is carried out in the thin end of the scroll 110, since fast speed inevitably can cause the lime powder in funnel 112 to fall at random due to centrifugal force
Ground is fallen in, therefore funnel 112 does not horizontally rotate with pallet 113 and only carries out descending operation, if while rotating funnel 112
Drawing when column touches position still makes graduated scale 111 be located on the spot 110 top of bar, due to the influence of air-flow, it is easy to so that being detached from leakage
The lime powder that bucket 112 falls shifts and can not precisely form border circular areas, it is therefore desirable to so that funnel 112 at ground into
Row spreading operation.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of concrete column mould positioning device, it is characterized in that: the positioning device that concrete is used in column mould position fixing process
Including being inserted directly into the on the spot bar (110) in soil, the graduated scale (111) of rotation connection being on the spot arranged on bar (110), carve
Setting holds the funnel (112) of lime powder below degree ruler (111), which can be in the case where graduated scale (111) be acted on around vertical
The thin end of the scroll (110) moves in a circle, and pallet (113) on the spot are arranged between bar (110) and graduated scale (111) and graduated scale (111) can
It is rotated on pallet (113) around on the spot bar (110)；Screw thread is provided between pallet (113) and on the spot bar (110)
(215)；The hollow sandwich (114) being in communication with the outside, setting and scale in hollow sandwich (114) are set on the pallet (113)
The turntable (115) that ruler (111) is fixedly connected；When adjusting funnel (112) height, hand fixed graduated scale (111) is motionless, opposed
The thin end of the scroll (10) Rotary tray (113).
2. a kind of concrete column mould positioning device according to claim 1, it is characterized in that: the turntable (115) upper surface
It is provided with several first sliding grooves (216) with lower surface, hollow sandwich (114) inner roof wall and bottom wall are provided with second sliding slot
(217), it is provided between first sliding groove (216) and second sliding slot (217) several balls (116).
3. a kind of concrete column mould positioning device according to claim 1, it is characterized in that: the funnel (112) and scale
Sliding assembly is arranged between (111) in ruler.
4. a kind of concrete column mould positioning device according to claim 3, it is characterized in that: the sliding assembly includes being located at
Connecting rod (118) are arranged between external member (117) and funnel (112) in external member (117) on graduated scale (111).
5. a kind of concrete column mould positioning device according to claim 4, it is characterized in that: being arranged in the external member (117)
Have a socket (119) for being socketed on graduated scale (111), be respectively provided at external member (117) roof and bottom wall shaft (218) and with turn
The pulley (210) of axis (218) socket, the upper surface of graduated scale (111) are provided with the sliding rail (211) with pulley (210) cooperation.
6. a kind of concrete column mould positioning device according to claim 4, it is characterized in that: the external member (117) and scale
It is provided on ruler (111) hole (219), hole (219) is multiple, the hole in external member (117) on graduated scale (111)
(219) it is one, the fixing bolt (212) of hole (219) is arranged through in external member (117).
7. a kind of concrete column mould positioning device according to claim 1, it is characterized in that: the on the spot bar (110) outer wall
Support component is set.
8. a kind of concrete column mould positioning device according to claim 7, it is characterized in that: the support component includes being located at
On the spot several support rods (213) of bar (110) outer wall setting, are arranged rotation between support rod (213) and on the spot bar (110) outer wall
Axis (214), on the spot section is right angled triangle between bar (110), support rod (213) and ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610986677.6A CN106475990B (en) | 2016-11-09 | 2016-11-09 | A kind of concrete column mould positioning device and its construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610986677.6A CN106475990B (en) | 2016-11-09 | 2016-11-09 | A kind of concrete column mould positioning device and its construction method |
Publications (2)
| Publication Number | Publication Date |
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| CN106475990A CN106475990A (en) | 2017-03-08 |
| CN106475990B true CN106475990B (en) | 2019-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610986677.6A Active CN106475990B (en) | 2016-11-09 | 2016-11-09 | A kind of concrete column mould positioning device and its construction method |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110857590B (en) * | 2018-08-24 | 2021-08-10 | 中铁一局集团有限公司 | Multipurpose concrete column mould positioning device |
| CN112171631A (en) * | 2020-09-20 | 2021-01-05 | 武汉瑞锦丰路桥设备股份有限公司 | Metal door processing is with mark mechanism in advance |
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|---|---|---|---|---|
| US3800422A (en) * | 1972-06-16 | 1974-04-02 | Bendix Corp | Layout apparatus having improved angular adjustment means |
| CN201455982U (en) * | 2009-05-18 | 2010-05-12 | 天津航宇翔飞科技发展有限公司 | Lifting type scribing platform |
| CN103963042A (en) * | 2014-04-28 | 2014-08-06 | 浙江海洋学院 | Curve-drawing guide tool |
| CN105082100A (en) * | 2015-09-14 | 2015-11-25 | 江西洪都航空工业集团有限责任公司 | Locating and marking tool |
| CN205552090U (en) * | 2016-04-12 | 2016-09-07 | 洛阳昌力机械有限公司 | Rotation type center positioning adjustment ware |
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2016
- 2016-11-09 CN CN201610986677.6A patent/CN106475990B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3800422A (en) * | 1972-06-16 | 1974-04-02 | Bendix Corp | Layout apparatus having improved angular adjustment means |
| CN201455982U (en) * | 2009-05-18 | 2010-05-12 | 天津航宇翔飞科技发展有限公司 | Lifting type scribing platform |
| CN103963042A (en) * | 2014-04-28 | 2014-08-06 | 浙江海洋学院 | Curve-drawing guide tool |
| CN105082100A (en) * | 2015-09-14 | 2015-11-25 | 江西洪都航空工业集团有限责任公司 | Locating and marking tool |
| CN205552090U (en) * | 2016-04-12 | 2016-09-07 | 洛阳昌力机械有限公司 | Rotation type center positioning adjustment ware |
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| CN106475990A (en) | 2017-03-08 |
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