CN205171465U - A supplementary radial gate hinge installation device - Google Patents
A supplementary radial gate hinge installation device Download PDFInfo
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- CN205171465U CN205171465U CN201521016818.9U CN201521016818U CN205171465U CN 205171465 U CN205171465 U CN 205171465U CN 201521016818 U CN201521016818 U CN 201521016818U CN 205171465 U CN205171465 U CN 205171465U
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- hinge
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Abstract
The utility model discloses a supplementary radial gate hinge installation device, it is including fixed hinge, and fixed hinge is articulated through the round pin axle with an activity hinge, the side welding of the movable bottom plate of movable hinge has two lugs, and no. One the lug is continuous with the couple of crane through a wire rope, is provided with no. One hand -drive block between the wire rope, fixed PMKD side welding of propping up the hinge has the lug no. Two, and no. Two the lug is continuous with the couple of crane through no. Two wire rope, is provided with no. Two hand -drive block between no. Two wire rope, and the PMKD of fixed hinge passes through the fixed mounting of bolt group on the second stage of concrete. This supplementary mounting tool through a technology free bearing to the pinpointing an of bolt reamed, solved a hinge installation accuracy control problem, be favorable to realizing an integral erection of hinge device, not only with low costs, efficient, the installation that significantly reduces occupy the time of the equipment of lifting by crane.
Description
Technical field
The utility model relates to radial gate support hinge mounting technique field in Hydraulic and Hydro-Power Engineering, especially a kind of auxiliary radial gate support hinge erecting device.
Background technology
Segment gate uses one of more gate in Modern Water Conservancy hydroelectric project, because radial gate support hinge generally arranges the center of curvature of curved panel, pretends and be used in whole water pressures on panel by hinge center.Only need overcome the frictional resistance of gate deadweight and only axle when to open to the moment of resistance in axle center, thus Segment gate open and close laborsaving, rapid, running is reliable.More Segment gate does not need gate slot, and water channel is continuous, and flow-shape is good, and be a kind of gate the most economic in numerous gate, thus Segment gate is widely adopted.
And the key that Segment gate is installed controls center of rotation precision, so the installation quality that arc props up hinge is particularly important, the quality that radial gate support hinge is installed directly has influence on the running quality of Segment gate, if the concentricity of a hinge, axiality can not be guaranteed, gate traveling comfort will be affected, accelerate the wearing and tearing of a free bearing and axle, and the wearing and tearing of water seal, serious meeting causes during gate opening/closing to be vibrated, because a hinge is Big Steel Castings forging piece, weight is generally several tons, for Characteristic of Large-sized Radial Gate, its fixing hinge and movable hinge weight are more than 15 tons, and the precision between the screwed hole fixed on a hinge seat and the screw rod embedded part in fist stage concrete is at about 2mm, traditional method positions screw rod embedded part by fixing hinge, and then carry out follow-up installation, this kind of activities is adopted to position installation, installation difficulty is large, installation effectiveness is low, hidden danger is there is in installation process.
In " layout of Gezhouba Water Control Project pre-anchor formula radial gate support hinge and construction ", Zhang Jianxin, " power station mechanical & electrical technology ", 4th phase, 62-64 page, 1992 08 month, in disclose a kind of Segment gate fixing hinge hoisted in position device, but this lifting construction is only for the installation of fixing hinge, fixing hinge is first installed in installation process, Deng after the installation of fixing hinge in the installation carrying out other component, and in follow-up installation process, need further by bearing pin, hinge to be propped up in activity be hinged in fixing hinge again, but hinge is propped up for Gate, weight is larger, and in subsequent installation process, there is location inaccurate, the problem of difficulty is installed, thus affect follow-up installation accuracy and quality, have a strong impact on installation effectiveness.
A kind of Segment gate fixing hinge hoisted in position device and method is disclosed in CN102730544A, describe a kind of auxiliary mould and the method that lift fixing hinge, but be not only only applicable to the construction of fixing hinge, for having fixing hinge but also have the installation of movable hinge also there is no suitable method.
Based on above-mentioned analysis, need development and Design Novel arc gate to prop up hinge auxiliary mounting tool, install while being fixed a hinge and movable hinge.
Utility model content
The purpose of this utility model provides a kind of auxiliary radial gate support hinge erecting device for above-mentioned defect, this auxiliary mounting tool props up the accurate location of hinge to bear hinge bolt by technique, solve fixing hinge installation accuracy control problem, be conducive to the integral installation realizing support hinge device, not only cost is low, efficiency is high, greatly reduce the time of installing and taking lifting appliance, so expending of resource reduces greatly, manufacturing cost significantly reduces.
In order to realize above-mentioned technical characteristic, the purpose of this utility model is achieved in that a kind of auxiliary radial gate support hinge erecting device, it comprises fixing hinge, fixing hinge passes through hinge with a movable hinge, the side that the movable floor of hinge is propped up in described activity is welded with two hangers, a hanger is connected with the hook of crane by a wire rope, is provided with a bottle gouard moved by hands between a wire rope; The fixed base plate side of described fixing hinge is welded with No. two hangers, No. two hangers are connected with the hook of crane by No. two wire rope, No. two bottle gouards moved by hands are provided with between No. two wire rope, the fixed base plate of fixing hinge is fixedly mounted on second stage concrete by bolt group, bolt group is embedded in second stage concrete inside, and second stage concrete and fist stage concrete are built and solidified.
A described fixing hinge comprises fixed base plate, fixed base plate is welded with two webs, is welded with stiffener between web and fixed base plate, fixed base plate is processed with multiple bottom thread hole and matches with bolt group.
Described activity is propped up hinge and is comprised movable floor, movable floor is welded with sleeve base, and the welding edges of sleeve base has sleeve, movable floor is processed with multiple screw top hole.
Described activity is propped up between the sleeve of hinge and the bearing pin of fixing hinge and is adopted matched in clearance.
It also comprises technique and props up hinge, described technique is propped up hinge and is comprised technique and prop up free bearing, technique is propped up and free bearing is welded with technique is propped up hinge web, the side that described technique props up hinge web is welded with gusset, prop up in technique on the center line cutting with scissors web and be processed with a hinge centre bore, described technique is propped up and free bearing is processed with technique is propped up hinge screwed hole, props up between free bearing be welded with free bearing gripper shoe two pieces of techniques.
Described technique props up the length dimension A of free bearing, width dimensions B and gauge C is equal with the size of fixed base plate respectively, described hinge centre bore and the technique vertical height value D that props up free bearing controls within ± 0.5mm with a fixing pin shaft hole design deviation of cutting with scissors of propping up, the described technique technique of propping up on free bearing is propped up hinge screwed hole and is arranged according to the bottom thread hole of fixing hinge on working drawing, its aperture 1mm larger than the diameter of bolt group in working drawing, manufacturing tolerance is at 0 ~ 0.5mm, multiple screwed hole relative position allowance control is within ± 0.5mm, the flatness that described technique props up free bearing controls within 1mm, described gusset and technique prop up the degree control of free bearing at 0 ~ 0.5mm.
The utility model has following beneficial effect:
1, in hoisting process in order to ensure lift safety operability, the side top of propping up hinge and fixing hinge in activity is welded with hanger in advance, by crane, wire rope is connected with hanger, lift, carried out the fine adjustment of position simultaneously by the bottle gouard moved by hands on wire rope, fixing the fixed installation between hinge and pre-embedded bolt group can be ensured.
2, activity is propped up hinge before lifting and fix a hinge and be fixed connection, conveniently can carry out lifting operation, by ensure that carrying out installation after being fixed, effectively avoid the inconvenience adopting traditional partial installation method to bring, avoid the defect of installation inconvenience existing in a later stage activity hinge installation process.
3, the method for hinge and fixing hinge integral hoisting is propped up in the installation employing activity of radial gate support hinge, i.e. fixing the fixing pre-embedded bolt of hinge; Activity is propped up hinge, fixing hinge and bearing pin to be assembled into one integral piece and to lift, change a hinge will carry out wearing axle operation in high-altitude, both ensure that an assembly precision for hinge; In turn simplify lifting workload; Decrease the time of work high above the ground, accelerate gate installation speed.
4, in the installation process of embedded part bolt group, adopt technique to prop up hinge and substitute a traditional fixing hinge and position, the location of bolt group can be simplified, avoid the defect adopting fixing traditional hinge to carry out bolt group location simultaneously, improve installation accuracy.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Fig. 1 is fixing hinge of the present utility model and movable hinge whole lifting structure schematic diagram.
Fig. 2 is the connection diagram that activity of the present utility model props up between hinge and fixing hinge.
Fig. 3 is the structure chart that technique of the present utility model props up after hinge installation.
Fig. 4 is that the measuring position unwrapping wire that technique of the present utility model is propped up in hinge installation process controls top view.
Fig. 5 is that the measuring position unwrapping wire that technique of the present utility model is propped up in hinge installation process controls left view.
Fig. 6 is that technique of the present utility model props up hinge front view.
Fig. 7 is that technique of the present utility model props up hinge right view.
Fig. 8 is that technique of the present utility model props up the attached view of hinge.
In figure: crane 1, wire rope 2, bottle gouard moved by hands 3, hanger 4, a movable hinge 5, a fixing hinge 6, bolt group 7, second stage concrete 8, No. two hangers 9, No. two bottle gouards moved by hands 10, No. two wire rope 11, fist stage concrete 12, technique prop up hinge 13, first phase anchor slab 14, gate base 15;
Sleeve base 501, sleeve 502, movable floor 503, screw top hole 504;
Fixed base plate 601, bottom thread hole 602, stiffener 603, bearing pin 604, web 605;
Technique props up free bearing 1301, technique props up hinge web 1302, gusset 1303, free bearing gripper shoe 1304, technique prop up hinge screwed hole 1305, a hinge centre bore 1306.
A: technique props up the length dimension of free bearing;
B: technique props up the width dimensions of free bearing;
C: technique props up the gauge of free bearing;
D: a hinge centre bore and technique prop up the vertical height value of free bearing;
E: water (flow) direction.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further.
Embodiment 1:
As shown in figures 1-8, a kind of auxiliary radial gate support hinge erecting device, it comprises a fixing hinge 6, a fixing hinge 6 is hinged by bearing pin 604 with a movable hinge 5, the side that the movable floor 503 of hinge 5 is propped up in described activity is welded with two hangers 4, a hanger 4 is connected with the hook of crane 1 by a wire rope 2, is provided with a bottle gouard moved by hands 3 between a wire rope 2; Fixed base plate 601 side of a described fixing hinge 6 is welded with No. two hangers 9, No. two hangers 9 are connected with the hook of crane 1 by No. two wire rope 11, No. two bottle gouards moved by hands 10 are provided with between No. two wire rope 11, the fixed base plate 601 of a fixing hinge 6 is fixedly mounted on second stage concrete 8 by bolt group 7, it is inner that bolt group 7 is embedded in second stage concrete 8, and second stage concrete 8 and fist stage concrete 12 are built and solidified.
Further, a described fixing hinge 6 comprises fixed base plate 601, fixed base plate 601 is welded with two webs 605, between web 605 and fixed base plate 601, is welded with stiffener 603, fixed base plate 601 is processed with multiple bottom thread hole 602 and matches with bolt group 7.
Further, described activity is propped up hinge 5 and is comprised movable floor 503, movable floor 503 is welded with sleeve base 501, and the welding edges of sleeve base 501 has sleeve 502, movable floor 503 is processed with multiple screw top hole 504.
Further, described activity is propped up between the sleeve 502 of hinge 5 and the bearing pin 604 of a fixing hinge 6 and is adopted matched in clearance.
Further, because the positional precision of pre-buried anchor bolt group 7 have impact on follow-up to a great extent, the positional precision of a fixing hinge 6, and the positional precision of a fixing hinge 6 will affect the installation accuracy of Segment gate, and then affect the application life of whole gate, but the method that traditional bolt group 7 is located adopts a fixing hinge 6 to position usually, said method is adopted to position the location of installing lifting and fixed hinged seat all complicated, take the lifting time long, cost is high, and installation accuracy is poor, checks and accepts defective, readjust, and because bolt group 7 is carried out when fist stage concrete 12 is poured into a mould, do not reach the time that manufacturing firm submits fixing hinge to this time, therefore construction party need customize fixing hinge and movable hinge in advance, and fixing the hinge that manufactory's prepackage need be prepared and movable hinge split into hinges and fixed hinged seat two parts again, come to locate bolt group at erecting bed fixed hinged seat, after bolt group location and installation is fixing, again fixed hinged seat is connected with hinges, the precision of this process Installation bear hinge bolt group 7 can ensure, but site activity hinge and fixed hinged seat installation procedure comparatively loaded down with trivial details, need after fixed hinged seat axis hole and hinges axis hole have adjusted, general axis hole fit tolerance is H7g6, carry out scene and wear axle work, it is very large that axle difficulty is worn at scene.
Need before activity is propped up hinge 5 and fixed hinge 6 completion based on this, manufacturing process is propped up hinge 13 and then is substituted traditional employing and fixes the method for propping up hinge 6 pairs of bolt groups 7 and positioning, and therefore, devises Simple process and props up hinge 13.
Further, described technique props up hinge 13, described technique is propped up hinge 13 and is comprised technique and prop up free bearing 1301, technique is propped up and free bearing 1301 is welded with technique and props up hinge web 1302, the side that described technique props up hinge web 1302 is welded with gusset 1303, the center line propping up hinge web 1302 in technique to be processed with a hinge centre bore 1306, and described technique is propped up and free bearing 1301 is processed with technique is propped up hinge screwed hole 1305, props up between free bearing 1301 be welded with free bearing gripper shoe 1304 two pieces of techniques.
Further, described technique props up the length dimension A of free bearing 1301, width dimensions B and gauge C is equal with the size of fixed base plate 601 respectively, described hinge centre bore 1306 and the technique vertical height value D that props up free bearing 1301 and the pin shaft hole design deviation in a fixing hinge 6 control within ± 0.5mm, the described technique technique of propping up on free bearing 1301 is propped up hinge screwed hole 1305 and is arranged according to the bottom thread hole 602 of a hinge 6 fixing on working drawing, its aperture 1mm larger than the diameter of bolt group 7 in working drawing, manufacturing tolerance is at 0 ~ 0.5mm, multiple screwed hole relative position allowance control is within ± 0.5mm, the flatness that described technique props up free bearing 1301 controls within 1mm, described gusset 1303 props up the degree control of free bearing 1301 at 0 ~ 0.5mm with technique.By ensureing that in process technique props up the dimensional accuracy of hinge 13, for the location and installation of follow-up bolt group 7 provides guarantee.
Embodiment 2:
In order to improve installation effectiveness and the installation accuracy of a movable hinge 5 and a fixing hinge 6, propping up hinge 13 with the use of technique and it installed, comprising the following steps:
Step one, manufacture craft props up hinge 13, props up the design drawing of hinge 13 and dimensional requirement manufacture craft props up hinge 13 according to technique, wherein needs processing two to overlap technique altogether and props up hinge 13, respectively a hinge of corresponding Segment gate both sides.
Step 2, the location and installation of bear hinge bolt group 7, after dam concrete is poured into and needs to install bear hinge bolt group 7 corresponding elevation, install according to a hinge for measuring and control dotted line determination bear hinge bolt group 7 installation site, the technique allowing bear hinge bolt group 7 prop up free bearing 1301 through technique props up hinge screwed hole 1305, the installation of a hinge 6 is fixed in realistic simulation, back of the body mother and nut are loaded onto in four angles of propping up free bearing 1301 in technique, the back of the body mother of other position and nut must unclamp, treat that position that technique props up hinge 13 tightens after adjusting again, repeatedly adjusting process props up hinge 13 until the elevation of installation position, mileage, the elevation angle, till every data fit such as a left and right hinge concentricity require.
Step 3, the technique of the left and right sides is propped up after hinge 13 adjusted, the bolt group 7 that technique is propped up on free bearing 1301 is positioned, clamp nut and back of the body mother, and carry out surveying record, after treating acceptance(check), bolt group 7 is welded with first phase anchor slab 14, in bolt group 7 welding process, first the Bolt to position at four angles is welded, each bolt in the middle of weldering again, adopt layering, multiple tracks, interval symmetrical welding, control welding deformation well, after all bolt weldings complete, hinge 13 is propped up to technique and carry out repetition measurement, after qualified, nut technique being propped up four angles, the back side of free bearing 1301 positions, and then the water (flow) direction that technique props up hinge 13 is accurately located, remove two techniques after having located and prop up hinge 13.
Step 4, the integral hoisting of a fixing hinge 6 and a movable hinge 5 is installed, before installation, fixing hinge 6 and a movable hinge 5 are carried out connecting with bearing pin 604 and are made it connect into entirety, and other component are seated, i iron or channel-section steel is adopted to be connected for entirety by a fixing hinge 6 with a movable hinge 5, relative position is accurately located and firm supporting, the side of simultaneously propping up the movable floor 503 of hinge 5 in activity is welded with two hangers 4, No. two hangers 9 are welded with in fixed base plate 601 side of a fixing hinge 6, two symmetries wire rope 2 is adopted to be connected by the suspension hook of hanger with crane 1 with No. two wire rope 11, a fixing hinge 6 and a movable hinge 5 are lifted into relevant position, by the length adjustment setting angle regulating a bottle gouard moved by hands 3 and No. two bottle gouards moved by hands 10 to change wire rope, make the fixed base plate 601 of a fixing hinge 6 corresponding with the position of bolt group 7, make the mileage of a fixing hinge 6, elevation, span, the concentricity of gradient and axis hole meets the demands.
Step 5, the nut that fixed base plate 601 and bolt group 7 fix installation is tightened according to the moment of designing requirement, repetition measurement fixes every size of hinge 6 and the gap with backing plate, building of second stage concrete 8 is carried out after 6 installations of to be fixed hinge, formwork reinforcement muscle is forbidden to be connected in bolt group 7 in casting process, strictly speed of perfusion is controlled in casting process, and preventing concrete from producing greater impact to a fixing hinge 6, second stage concrete 8 has been built and has been solidified and carried out repetition measurement after concrete to the fixing hinge 6 of gate and a movable hinge 5 afterwards.
The installation that Segment gate fixes a hinge 6 and a movable hinge 5 adopts technique to prop up the method for hinge and integral hoisting, namely adopts technique to prop up hinge 13 and fixes pre-embedded bolt group 7; Activity is propped up hinge 5, fixing hinge 6 and bearing pin to be assembled into one integral piece and to lift, change a hinge will carry out wearing axle operation in high-altitude, both ensure that an assembly precision for hinge; In turn simplify lifting workload; Decrease the time of work high above the ground, accelerate gate installation speed.
Above-described embodiment is used for explaining and the utility model is described; instead of the utility model is limited; in the protection domain of spirit of the present utility model and claim, any amendment make the utility model and change, all fall into protection domain of the present utility model.
Claims (6)
1. an auxiliary radial gate support hinge erecting device, it comprises fixing hinge (6), it is hinged by bearing pin (604) that (5) are cut with scissors in fixing hinge (6) and activity, it is characterized in that: the side that the movable floor (503) of hinge (5) is propped up in described activity is welded with two No. one hanger (4), a hanger (4) is connected with the hook of crane (1) by a wire rope (2), is provided with a bottle gouard moved by hands (3) between a wire rope (2); Fixed base plate (601) side of described fixing hinge (6) is welded with No. two hangers (9), No. two hangers (9) are connected with the hook of crane (1) by No. two wire rope (11), No. two bottle gouards moved by hands (10) are provided with between No. two wire rope (11), the fixed base plate (601) of fixing hinge (6) is fixedly mounted on second stage concrete (8) by bolt group (7), it is inner that bolt group (7) is embedded in second stage concrete (8), and second stage concrete (8) and fist stage concrete (12) are built and solidified.
2. one according to claim 1 assists radial gate support hinge erecting device, it is characterized in that: described fixing hinge (6) comprises fixed base plate (601), fixed base plate (601) is welded with two webs (605), be welded with stiffener (603) between web (605) and fixed base plate (601), fixed base plate (601) be processed with multiple bottom thread hole (602) and match with bolt group (7).
3. one according to claim 1 assists radial gate support hinge erecting device, it is characterized in that: described activity is propped up hinge (5) and comprised movable floor (503), movable floor (503) is welded with sleeve base (501), the welding edges of sleeve base (501) has sleeve (502), movable floor (503) is processed with multiple screw top hole (504).
4. one according to claim 1 assists radial gate support hinge erecting device, it is characterized in that: described activity is propped up between the sleeve (502) of hinge (5) and the bearing pin (604) of fixing hinge (6) and adopted matched in clearance.
5. one according to claim 1 assists radial gate support hinge erecting device, it is characterized in that: it also comprises technique and props up hinge (13), described technique is propped up hinge (13) and is comprised technique and prop up free bearing (1301), technique is propped up and free bearing (1301) is welded with technique and props up hinge web (1302), the side that described technique props up hinge web (1302) is welded with gusset (1303), prop up in technique on the center line cutting with scissors web (1302) and be processed with hinge centre bore (1306), described technique is propped up and free bearing (1301) is processed with technique and props up hinge screwed hole (1305), prop up between free bearing (1301) two pieces of techniques and be welded with free bearing gripper shoe (1304).
6. one according to claim 5 assists radial gate support hinge erecting device, it is characterized in that: described technique props up the length dimension A of free bearing (1301), width dimensions B and gauge C is equal with the size of fixed base plate (601) respectively, described hinge centre bore (1306) and the technique vertical height value D that props up free bearing (1301) and a fixing pin shaft hole design deviation of cutting with scissors on (6) control within ± 0.5mm, the described technique technique of propping up on free bearing (1301) is propped up hinge screwed hole (1305) and is arranged according to the bottom thread hole (602) of fixing hinge (6) on working drawing, its aperture 1mm larger than the diameter of bolt group (7) in working drawing, manufacturing tolerance is at 0 ~ 0.5mm, multiple screwed hole relative position allowance control is within ± 0.5mm, the flatness that described technique props up free bearing (1301) controls within 1mm, described gusset (1303) and technique prop up the degree control of free bearing (1301) at 0 ~ 0.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521016818.9U CN205171465U (en) | 2015-12-09 | 2015-12-09 | A supplementary radial gate hinge installation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521016818.9U CN205171465U (en) | 2015-12-09 | 2015-12-09 | A supplementary radial gate hinge installation device |
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| Publication Number | Publication Date |
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| CN205171465U true CN205171465U (en) | 2016-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521016818.9U Expired - Fee Related CN205171465U (en) | 2015-12-09 | 2015-12-09 | A supplementary radial gate hinge installation device |
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| Country | Link |
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| CN (1) | CN205171465U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105369782A (en) * | 2015-12-09 | 2016-03-02 | 葛洲坝机械工业有限公司 | Auxiliary installation device and installation method for radial gate trunnions |
| CN106368181A (en) * | 2016-11-08 | 2017-02-01 | 中国电建集团贵阳勘测设计研究院有限公司 | Improvement method and structure of arc door support |
-
2015
- 2015-12-09 CN CN201521016818.9U patent/CN205171465U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105369782A (en) * | 2015-12-09 | 2016-03-02 | 葛洲坝机械工业有限公司 | Auxiliary installation device and installation method for radial gate trunnions |
| CN105369782B (en) * | 2015-12-09 | 2017-05-24 | 中国葛洲坝集团机械船舶有限公司 | Auxiliary installation device and installation method for radial gate trunnions |
| CN106368181A (en) * | 2016-11-08 | 2017-02-01 | 中国电建集团贵阳勘测设计研究院有限公司 | Improvement method and structure of arc door support |
| CN106368181B (en) * | 2016-11-08 | 2018-09-25 | 中国电建集团贵阳勘测设计研究院有限公司 | Improvement method and structure of arc door support |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180105 Address after: 18 No. 443007 Hubei city in Yichang province Xiao Ting Road Patentee after: CHINA GEZHOUBA GROUP MACHINERY & SHIP Co.,Ltd. Address before: 18 No. 443007 Hubei city of Yichang province located in Xiaoting District Road Patentee before: GEZHOUBA MACHINERY INDUSTRIAL CO.,LTD. |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160420 Termination date: 20211209 |
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| CF01 | Termination of patent right due to non-payment of annual fee |