CN106586757A - Difficulty overcoming device of construction lifter - Google Patents
Difficulty overcoming device of construction lifter Download PDFInfo
- Publication number
- CN106586757A CN106586757A CN201710031025.1A CN201710031025A CN106586757A CN 106586757 A CN106586757 A CN 106586757A CN 201710031025 A CN201710031025 A CN 201710031025A CN 106586757 A CN106586757 A CN 106586757A
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- China
- Prior art keywords
- extension rod
- clamping plate
- rod
- hole
- handle
- Prior art date
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/027—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions to permit passengers to leave an elevator car in case of failure, e.g. moving the car to a reference floor or unlocking the door
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- Conveying And Assembling Of Building Elements In Situ (AREA)
- Types And Forms Of Lifts (AREA)
Abstract
The invention discloses a difficulty overcoming device of a construction lifter, and relates to the technical field of filters. In order to solve the technical problem that a device for simultaneously overcoming difficulties of a construction lifter with three motors and a contracting brake device is absent in the prior art, the difficulty overcoming device adopts a linked drawbar and a lengthened force arm connected with the linked drawbar, wherein the lengthened force arm comprises an extension rod; one end of the extension rod is equipped with a clamping unit; and the other end of the extension rod is equipped with a connecting head. The difficulty overcoming device solves the industry problem that three brakes of a national people-goods dual-purpose construction lifter are difficult in releasing and overcoming difficulties, realizes a safety way of simultaneously releasing and braking to overcome difficulties for the three brakes of the people-goods dual-purpose construction lifter, and solves a key technology of simultaneously releasing and braking for the three brakes incapable of unifying braking torque and the brake-releasing stroke in the prior art.
Description
Technical field
The present invention relates to elevator technology field, more particularly to one kind can simultaneously to three motors and band brake apparatus
The device overcome difficulties of building hoist.
Background technology
At present, the dual-purpose building hoist of domestic people's goods is many in high-building construction process usage quantity, and this construction rises
Drop machine mostly is 3 motors, and each motor is provided with a normally closed brake, has 3 brakes to work simultaneously during work.
The disposal device very imperfection that declutches that the dual-purpose building hoist of people's goods of domestic production at present is configured,（After each motor
Cover and be furnished with a handle lever brake-loosing mechanism, due to the handle it is shorter, be directly to draw motionless brake-loosing mechanism with handss, to look for and face
When ripping bar insert a handle brake-loosing mechanism could be operated to be declutched or discharged, will also declutching other brakes in advance
Screw means can not again participate in braking unclamping band-type brake after the screw means that declutch）Three brakes can not be carried out simultaneously
Declutch and simultaneously braking is moving slowly at cage to ground, also the dress of performance checking is not braked to wherein each brake
Put.（Note：Brake when normally closed brake discharges, operation of overcoming difficulties must be declutched and brake alternately, hang when brake is declutched
Cage is down slided under Gravitative Loads, it is necessary to prevent hypervelocity from declining with the braking of interruption）.
Utility application number：201420321629.1《Declutch simultaneously for two brakes of building hoist and
The disposal device of braking》, it is the patented technology of the present inventor's early stage, it proposes one kind and carries out declutching overcoming difficulties for two motors
Scheme, declutch than traditional single brake and first go a step further, it is relatively specific for the building hoist of two drivings, but drives to three
Dynamic building hoist, it needs to unclamp one of brake in advance and can not participate in braking, can only operate two brakings
Declutching and braking for device, when there is a failure in the two brakes, still has certain risk, for three motors drive
The dynamic elevator technology also has the following disadvantages：（1）, can not be simultaneously to building hoist three brakes operate simultaneously,
Because three brakes declutch stroke and the dynamics of declutching is skimble-scamble, simple increases work of the connecting rod beyond double leval jib
Make principle；（2）The pressing plate of ripping bar part is up inserted in from the lower edge of short handle during installation, blending bolt is fixed on short handle
Both sides, they easily cause interference to cause to install inconvenient with motor bonnet fixing bolt；（3）, due to pull unit
Connection is easily produced after the process link position stress to loosen, and has the failure phenomenon down departed from from the lower edge of short handle.
When building hoist adopts 3 Motor drives, every power of motor is 11KW.If braked using only operating one
The traditional approach that device is overcome difficulties, its brake force is only the 33% of design safety factor (DSF), and actual safety is very low.If using only grasping
Make the mode that two brakes are overcome difficulties, its brake force is the 66% of design safety factor (DSF)；Safety coefficient increases.If using
The mode that three brakes of operation are overcome difficulties, its brake force can be the 100% of design safety factor (DSF) value.In order to improve building hoist
Safety coefficient, develop a kind of device that can be overcome difficulties to the building hoist with three motors and band brake apparatus simultaneously
Just become an important topic.
The content of the invention
The present invention provides a kind of building hoist disposal device, cannot simultaneously for having three to solve prior art
The technology of the device that the building hoist of motor and band brake apparatus is overcome difficulties.
To solve the above problems, the present invention adopts the following technical scheme that realization：
A kind of building hoist disposal device, including linkage pull rod, the Lengthened moment arm being connected with the linkage pull rod, its feature exists
In：The Lengthened moment arm includes extension rod, and one end of the extension rod is provided with grip unit, and the extension rod other end is arranged
There is union joint, the union joint is flexibly connected with the linkage pull rod.
Preferably, the grip unit includes：It is opened in the Boards wall hole of described extension rod one end, the Boards wall
Fixture is equipped with hole, the plywood hole that the fixture is arranged through on clamping plate is connected the extension rod with the clamping plate
Connect.
Preferably, the union joint be " u "-shaped metalwork, offer on the union joint for the linkage pull rod phase
Pull bar connector is set in the connecting hole of connection, the connecting hole.
Preferably, multiple pull bar connecting holes are offered on the linkage pull rod, the pull bar connecting hole is connected by pull bar
Part is connected with the union joint.
Preferably, 3 Lengthened moment arms of structure identical are respectively arranged with the linkage pull rod.
Preferably, the Boards wall hole has two, and the Boards wall hole is opened respectively along the extension rod direction
If；The fixture is screw rod and nut.
Preferably, the union joint is welded on the extension rod.
Preferably, the pull bar connector is screw rod and nut.
Preferably, the grip unit is adjusted the spacing between the extension rod and the clamping plate by the way of prepackage
To matching with clamped handle；Pad is provided with during prepackage between the extension rod and the clamping plate.
Preferably, arrange between the Boards wall hole and the plywood hole when extension rod and the clamping plate are pre-installed
Have pad, for enabling installation after the handle small activity is carried out between the extension rod and the clamping plate.
The present invention has the advantages that：
1st, the present invention solves three brakes of dual-purpose building hoist of domestic people's goods and declutches the professional difficult problem of difficulty of overcoming difficulties, real
Three brakes of the dual-purpose building hoist of people's goods are showed while declutching and braking the secured fashion overcome difficulties；
2nd, having invented a kind of solution prior art cannot allow braking moment and skimble-scamble three brakes of the stroke that declutches simultaneously loose
Lock and the simultaneously key technology of braking.
3rd, the power needed for declutching is less, and the device declutches pulling force ＜ 400N, meets GB26557-2011 " needed for brake-loosing mechanism
Pulling force is not more than 400N " require, also solve original and declutch handle apparatus（Its pulling force that declutches is far longer than 400N）The single braking of company
Device all can not draw away, and need the conventional difficulties by interim ripping bar.
4th, it is simple to operate efficient, safe and reliable.
5th, it is manufacture, install, provides reliable technical support using the formulation of the safety standard of link；
6th, popularizing application prospect is wide：Domestic all of high building project, great majority are dual-purpose using three motor-driven people's goods
Building hoist, application is very more, and annual increment is ten hundreds of.
Description of the drawings
Fig. 1 is the building hoist disposal device example structure schematic diagram that the present invention is provided；
Fig. 2 is that the building hoist disposal device that the present invention is provided is used in three motor-driven lifter embodiment peaces
Dress schematic diagram.
In accompanying drawing：1：Extension rod；2：Fixture；3：Clamping plate；4：Pull bar connector；5：Linkage pull rod；6：Motor；7：
Brake；8：Handle；101：Boards wall hole；102：Union joint；103：Plywood hole；501：Pull bar connecting hole.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the embodiment of the present invention in it is attached
Figure, is clearly and completely described to the technical scheme in the embodiment of the present invention, it is clear that described embodiment is the present invention
A part of embodiment, rather than the embodiment of whole.Embodiments of the invention generally described and illustrated in accompanying drawing herein
Detailed description is not intended to limit the scope of claimed invention, but is merely representative of the selected embodiment of the present invention.Base
Embodiment in the present invention, those of ordinary skill in the art obtained under the premise of creative work is not made it is all its
His embodiment, belongs to the scope of protection of the invention.
Fig. 1 is the building hoist disposal device example structure schematic diagram that the present invention is provided, as shown in figure 1, one kind is applied
Work elevator disposal device, including linkage pull rod 5, the Lengthened moment arm being connected with the linkage pull rod 5, the Lengthened moment arm includes
Extension rod 1, one end of the extension rod 1 is provided with grip unit, and the other end of the extension rod 1 is provided with union joint 102, its
In, the grip unit includes：The Boards wall hole 101 of the one end of the extension rod 1 is opened in, in the Boards wall hole 101
It is equipped with fixture 2, the plywood hole 301 that the fixture 2 is arranged through on clamping plate 3 is by the extension rod 1 and the phase of the clamping plate 3
Connection；The union joint 102 is " u "-shaped metalwork, is offered on the union joint 102 for being connected with the linkage pull rod 5
The connecting hole for connecing；Multiple pull bar connecting holes 501 are offered on the linkage pull rod 5 in order to adjust the position between Lengthened moment arm
Put, the pull bar connecting hole 501 is connected by pull bar connector 4 with the union joint 102；Set respectively on the linkage pull rod 5
It is equipped with 3 Lengthened moment arms of structure identical；The Boards wall hole 101 has two, and the Boards wall hole 101 is distinguished
Open up along the direction of the extension rod 1；The fixture 2 is screw rod and nut；The union joint 102 is welded on the extension rod
On 1；The pull bar connector 4 is screw rod and nut；The grip unit using prepackage by the way of by the extension rod 1 with it is described
Spacing between clamping plate 3 is adjusted to match with clamped handle 8；During prepackage between the extension rod 1 and the clamping plate 3
It is provided with pad；When the extension rod 1 and the clamping plate 3 are pre-installed between the Boards wall hole 101 and the plywood hole 103
Be provided with pad, for enabling installation after the handle 8 small activity is carried out between the extension rod 1 and the clamping plate 3.
Specifically, Fig. 2 is that the building hoist disposal device that the present invention is provided is used in three motor-driven liters
Drop machine embodiment scheme of installation, as shown in Fig. 2 by the braking of three afterbodys of motor 6 on the building hoist
Handle 8 on device 7 is clipped in respectively in the grip unit being made up of extension rod 1, fixture 2, clamping plate 3, in order to increase handle 8
Torque.Especially, the extension rod 1 and the clamping plate 3 are provided with when pre-installing between Boards wall hole 101 and plywood hole 103
Pad, enables the handle 8 after installation that small activity is carried out between the extension rod 1 and the clamping plate 3, in order to wherein 2
Individual Lengthened moment arm and its handle 8 can be integrated according to the stress adjust automatically of itself, form a connecting rod, then be added with the 3rd
The long arm of force and its handle 8 link, and so as to form a new compound quadric chain, the brake for reaching three motors joins simultaneously
Dynamic purpose；The union joint 102 that the other end of extension rod 1 is arranged is " u "-shaped structure, connecting hole is offered thereon, by connecting hole
It is flexibly connected with linkage pull rod 5, described " u "-shaped structural connector 102 can be connected using including but not limited to welding, screw
The fixed form such as connect, mount；Due in reality handle 8 range of activity it is very little, its handle upper limb apart from motor rear cover very
Closely, there is prominent bolt head and nut at two of fixture 2, and clamping plate 3 will be arranged on the inner side of handle 8, and pad is to be through fixation
8 same layer positions of handle are located in part 2, extension rod 1 is arranged on the outside of handle 8, installation of such actual state by
Method is not installed, and needs to find knack, the mounting means that we innovate be first pre-install in order fixture 2 on put
Bolt, clamping plate 3, pad, extension rod, on put nut, then clamping plate 3 be up rotated by 90 ° by horizontal level be inserted in handle 8 in
Side is down rotated by 90 ° again, the underlying screw bolt and nut of last mounting fixing parts 2, and when in use, pulling with hand linkage pull rod 5 makes
Handle 8 is tilted and then reaches the purpose for declutching,（Note：Cage is downward under Gravitative Loads when pulling linkage pull rod to make brake declutch
Slide, in on-position, operation of overcoming difficulties must declutch and brake alternating to cage when release linkage pull rod discharges brake
Carry out preventing hypervelocity from declining）.Unclamp due to the effect of contained spring when pulling linkage pull rod 5, handle 8 automatically resets and enters
Band-type brake state, slowly home is transferred to by artificial a pull and a place ground by cage.Wherein motor 6, brake 7, with
And the handle 8 in brake 7 is all to adopt existing product, without the need for improvement in addition so that apparatus of the present invention not only reduce cost,
Also improve operability and convenience.
The present invention is improved for the following problem that prior art is present：
（1）, prior art exist cannot allow braking moment and skimble-scamble three brakes of the stroke that declutches and meanwhile declutch and while
Braking, simple increases operation principle of the connecting rod beyond double leval jib, proves through our multiple repetition tests and draws motionless,
Three brakes that can not simultaneously to building hoist are while operation is declutched and braking carries out safety and overcomes difficulties；
（2）, prior art needs up to be inserted in the grip unit of ripping bar part from the lower edge of short handle when mounted, and uses spiral shell
Bolt is fixed on the both sides of short handle 8, and in the course of the work connecting portion easily produces loosening, connecting portion Jing because of stress repeatedly
Often there is the phenomenon down taken off from the lower edge of short handle；
（3）, prior art mounting means be the both sides that short handle is fixed on 2 bolts, they with motor bonnet 2
Individual fixing bolt easily causes interference to cause to install inconvenience.
The present invention is as follows for the improvement that shortcomings and deficiencies of the prior art are carried out：
（1）, change the topology layout of crucial hold assembly：By originally with handle 8 parallel attachment structure change in a vertical connection
Structure, enables the fixture 2 arranged between extension rod 1 and clamping plate 3 that the weight of the equipment for being undertaken reliably is hung over drawing
Above handss 8, eliminate original causes clamping plate easily to come off to cause the fall down technology of failure of single unit system to be asked because of parallel installation
Topic, substantially increases reliability and safety, secondly avoids original institute with 8 modes connected vertically of handle using extension rod 1
Using parallel linkage because in brake 7 nut interfere and affect the problem of installation effectiveness, so as to substantially increase work
Make efficiency, third, saving raw material, reduce the cost of device；（Note：Due in reality handle 8 range of activity very
Little, the extension rod of original technology is the inner side for being located at handle 8, and the present invention is improved to the outside that extension rod is located at handle 8）；
（2）, the connected mode of grip unit is changed to into rigidly connected mode after first micro- rotation by pure being rigidly connected：Extension rod 1
Pad is provided between Boards wall hole 101 and plywood hole 103 when pre-installing with clamping plate 3, enables to be shaken hands after installation 8 in extension rod
Small activity is carried out between 1 and clamping plate 3；After 3 grip units are installed respectively with three handles 8, define three and have first
Small activity is changed into again the leverage of rigidly connected 3 lengthenings, can root in order to wherein 2 Lengthened moment arms and its handle 8
Integrate according to the stress adjust automatically of itself, form a connecting rod, then link with the 3rd Lengthened moment arm and its handle 8, from
And a new compound quadric chain is formed, being different from the pure of former technology is rigidly connected, and solves and draws motionless more than double leval jib
The problem of the brake-loosing mechanism of three brakes, overcomes the stroke disunity and it does not declutch power also not of declutching of three brakes
Unified, and need the key issue of unified linkage, realizing only just can be to these three brake while declutching or together with a handss
When the operation purpose braked.
In sum, the present invention has the advantages that：
1st, the present invention solves three brakes of dual-purpose building hoist of domestic people's goods and declutches the professional difficult problem of difficulty of overcoming difficulties, real
Three brakes of the dual-purpose building hoist of people's goods are showed while declutching and braking the secured fashion overcome difficulties simultaneously.
2nd, having invented a kind of solution prior art cannot allow braking moment and skimble-scamble three brakes of the stroke that declutches same
When declutch and the simultaneously key technology of braking.
3rd, the power needed for declutching is less, and the device declutches pulling force ＜ 400N, meets GB26557-2011 " needed for brake-loosing mechanism
Pulling force is not more than 400N " require, also solve original and declutch handle apparatus（Its pulling force that declutches is far longer than 400N）The single braking of company
Device all can not draw away, and need the conventional difficulties by interim ripping bar.
4th, it is simple to operate efficient, safe and reliable.
5th, it is manufacture, install, provides reliable technical support using the formulation of the safety standard of link.
6th, popularizing application prospect is wide：Domestic high building project, great majority are dual-purpose using three motor-driven people's goods
Building hoist, application is very more, and annual increment is ten hundreds of.
Claims (10)
1. a kind of building hoist disposal device, including linkage pull rod（5）, with the linkage pull rod（5）The Lengthened moment arm of connection,
It is characterized in that：The Lengthened moment arm includes extension rod（1）, the extension rod（1）One end be provided with grip unit, it is described to prolong
Stock（1）The other end is provided with union joint（102）, the union joint（102）With the linkage pull rod（5）It is flexibly connected.
2. device according to claim 1, it is characterised in that the grip unit includes：It is opened in the extension rod（1）
The Boards wall hole of one end（101）, the Boards wall hole（101）Inside it is equipped with fixture（2）, the fixture（2）Pass through
Clamping plate（3）The plywood hole of upper setting（301）By the extension rod（1）With the clamping plate（3）It is connected.
3. device according to claim 1, it is characterised in that the union joint（102）For " u "-shaped metalwork, the company
Joint（102）On offer for the linkage pull rod（5）Pull bar connection is set in the connecting hole being connected, the connecting hole
Part（4）.
4. device according to claim 1, it is characterised in that：The linkage pull rod（5）On offer the connection of multiple pull bars
Hole（501）, the pull bar connecting hole（501）By pull bar connector（4）With the union joint（102）Connection.
5. the device according to any one of claim 1 ~ 4, it is characterised in that：The linkage pull rod（5）On be respectively arranged with
3 Lengthened moment arms of structure identical.
6. device according to claim 2, it is characterised in that：The Boards wall hole（101）Two are had, the clamping plate
Fixing hole（101）Respectively along the extension rod（1）Direction opens up；The fixture（2）For screw rod and nut.
7. device according to claim 1, it is characterised in that：The union joint（102）It is welded on the extension rod（1）
On.
8. device according to claim 4, it is characterised in that：The pull bar connector（4）For screw rod and nut.
9. device according to claim 2, it is characterised in that：The grip unit is by the way of prepackage by the prolongation
Bar（1）With the clamping plate（3）Between spacing be adjusted to and clamped handle（8）Match；In the extension rod during prepackage
（1）With the clamping plate（3）Between be provided with pad.
10. device according to claim 9, it is characterised in that：The extension rod（1）With the clamping plate（3）During prepackage
The Boards wall hole（101）With the plywood hole（103）Between be provided with pad, for making installation after the handle（8）Energy
In the extension rod（1）With the clamping plate（3）Between carry out small activity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710031025.1A CN106586757B (en) | 2017-01-17 | 2017-01-17 | Building hoist disposal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710031025.1A CN106586757B (en) | 2017-01-17 | 2017-01-17 | Building hoist disposal device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106586757A true CN106586757A (en) | 2017-04-26 |
| CN106586757B CN106586757B (en) | 2019-01-29 |
Family
ID=58585897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710031025.1A Active CN106586757B (en) | 2017-01-17 | 2017-01-17 | Building hoist disposal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106586757B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201220905Y (en) * | 2008-05-30 | 2009-04-15 | 宁波欣达曳引机科技有限公司 | Brake releasing apparatus of brake |
| CN202220019U (en) * | 2011-08-23 | 2012-05-16 | 苏州通润驱动设备股份有限公司 | Block type brake and hand-operated brake loosening part matched with block type brake |
| CN103754723A (en) * | 2014-01-24 | 2014-04-30 | 苏州富士电梯有限公司 | Remote brake release mechanism for elevator |
| CN204057547U (en) * | 2013-09-05 | 2014-12-31 | 广西壮族自治区特种设备监督检验院 | For the disposal device that building hoist two drgs declutch and brake simultaneously |
| CN104418208A (en) * | 2013-09-05 | 2015-03-18 | 广西壮族自治区特种设备监督检验院 | Difficulty-overcoming device for simultaneously releasing and braking two brakes of building hoist |
| CN104555633A (en) * | 2013-10-18 | 2015-04-29 | 广西壮族自治区特种设备监督检验院 | Double-jaw steel wire rope clamping device |
| CN206395642U (en) * | 2017-01-17 | 2017-08-11 | 广西壮族自治区特种设备检验研究院 | Building hoist disposal device |
-
2017
- 2017-01-17 CN CN201710031025.1A patent/CN106586757B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201220905Y (en) * | 2008-05-30 | 2009-04-15 | 宁波欣达曳引机科技有限公司 | Brake releasing apparatus of brake |
| CN202220019U (en) * | 2011-08-23 | 2012-05-16 | 苏州通润驱动设备股份有限公司 | Block type brake and hand-operated brake loosening part matched with block type brake |
| CN204057547U (en) * | 2013-09-05 | 2014-12-31 | 广西壮族自治区特种设备监督检验院 | For the disposal device that building hoist two drgs declutch and brake simultaneously |
| CN104418208A (en) * | 2013-09-05 | 2015-03-18 | 广西壮族自治区特种设备监督检验院 | Difficulty-overcoming device for simultaneously releasing and braking two brakes of building hoist |
| CN104555633A (en) * | 2013-10-18 | 2015-04-29 | 广西壮族自治区特种设备监督检验院 | Double-jaw steel wire rope clamping device |
| CN103754723A (en) * | 2014-01-24 | 2014-04-30 | 苏州富士电梯有限公司 | Remote brake release mechanism for elevator |
| CN206395642U (en) * | 2017-01-17 | 2017-08-11 | 广西壮族自治区特种设备检验研究院 | Building hoist disposal device |
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| Publication number | Publication date |
|---|---|
| CN106586757B (en) | 2019-01-29 |
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| CB03 | Change of inventor or designer information |
Inventor after: Chen Chunchao Inventor after: Nong Lingsi Inventor after: Yan Bo Inventor after: Jiang Cun Inventor after: Li Zhongyuan Inventor after: Zhang Zhibin Inventor after: Nong Chuan Inventor after: Pu Jiuzhou Inventor after: Chen Yuan Inventor after: Huang Ji Inventor after: Xie Dongming Inventor after: Nong Jinlong Inventor after: Luo Zhen Inventor after: Chen Anran Inventor after: Liang Xiao Inventor after: Ju Chengwei Inventor before: Chen Chunchao Inventor before: Nong Lingsi Inventor before: Yan Bo Inventor before: Jiang Cun Inventor before: Li Zhongyuan Inventor before: Zhang Zhibin Inventor before: Nong Chuan Inventor before: Pu Jiuzhou Inventor before: Chen Yuan Inventor before: Huang Ji Inventor before: Xie Dongming Inventor before: Nong Jinlong Inventor before: Luo Zhen Inventor before: Chen Anran Inventor before: Liang Xiao Inventor before: Ju Chengwei |
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Effective date of registration: 20200616 Address after: 530031 nansili, Wuyi Middle Road, Jiangnan District, Nanning City, Guangxi Zhuang Autonomous Region Patentee after: NANNING CONSTRUCTION HOISTING EQUIPMENT MANUFACTURE Co.,Ltd. Address before: 530219, Jianshe Road, Nanning the Guangxi Zhuang Autonomous Region good Qing District No. 99 Patentee before: Guangxi Zhuang Autonomous Region special equipment inspection and Research Institute |