CN105466220B - Hydraulic cylinder upper bracket fixed system - Google Patents

Hydraulic cylinder upper bracket fixed system Download PDF

Info

Publication number
CN105466220B
CN105466220B CN201511018035.9A CN201511018035A CN105466220B CN 105466220 B CN105466220 B CN 105466220B CN 201511018035 A CN201511018035 A CN 201511018035A CN 105466220 B CN105466220 B CN 105466220B
Authority
CN
China
Prior art keywords
hydraulic cylinder
upper bracket
cylinder upper
plate
positioning seat
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.)
Active
Application number
CN201511018035.9A
Other languages
Chinese (zh)
Other versions
CN105466220A (en
Inventor
荀敬
周炜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huatian Engineering and Technology Corp MCC
Original Assignee
Huatian Engineering and Technology Corp MCC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Huatian Engineering and Technology Corp MCC filed Critical Huatian Engineering and Technology Corp MCC
Priority to CN201511018035.9A priority Critical patent/CN105466220B/en
Publication of CN105466220A publication Critical patent/CN105466220A/en
Application granted granted Critical
Publication of CN105466220B publication Critical patent/CN105466220B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27DDETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00Charging; Discharging; Manipulation of charge
    • F27D3/12Travelling or movable supports or containers for the charge

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Actuator (AREA)

Abstract

The present invention disclose a kind of hydraulic cylinder upper bracket fixed system, mainly for one kind under heavily loaded alternate stress, the technique for fixing of heating furnace walking machinery hydraulic cylinder upper bracket, primarily to daily point inspection safeguard it is simple, convenient, in repair replacing hydraulic cylinder convenience.It is connected and fixed between heating furnace walking machinery hydraulic cylinder upper bracket of the present invention and corresponding frame using high-strength bolt, double nut self-locking, after the adjustment of hydraulic cylinder upper bracket is had good positioning, the nut check on positioning seat will be adjusted.When usually putting checking maintenance, it is found that hydraulic cylinder upper bracket has loosening and shifting phenomena, as long as hydraulic cylinder upper bracket is returned to original position by the bolt, nut on adjustment positioning seat, while fastening the high-strength bolt and double nut between hydraulic cylinder upper bracket and corresponding frame.The present invention, substantially reduces repair density and difficulty at heating furnace walking machinery hydraulic cylinder upper bracket, and easy to operate, easy, substantially reduces the maintenance cost of heating furnace, and then improves the service efficiency of heating furnace.

Description

Hydraulic cylinder upper bracket fixed system
Technical field
The present invention relates to one kind under heavily loaded alternate stress, the technique for fixing of heating furnace walking machinery hydraulic cylinder upper bracket, Its technical field is specifically related to a kind of fixing means and device of heating furnace walking machinery hydraulic cylinder upper bracket, heating furnace stepper The lift cylinders and Translation cylinder upper bracket of tool install this equally applicable mounting process.
Background technology
At present in walking beam heating furnace, walking machinery is the nucleus equipment in heating furnace, and hydraulic cylinder is stepper Core driving equipment in tool, whether firmly installing for hydraulic cylinder two ends bearing will directly affect the stepper that hydraulic cylinder is driven Whether the performance of tool meets use requirement.
In conventional art, the installation of walking machinery hydraulic cylinder, typically after hydraulic cylinder is adjusted, at hydraulic cylinder earrings Upper bracket and corresponding frame fix after, hydraulic cylinder upper bracket can all be held out against with safety catch in end, afterwards will safety The side of block three is welded on framework to be loosened to prevent bearing on framework.
Although this bearing is installed fixed form and is widely adopted, and in the production of heating furnace, it is less in hydraulic cylinder In the case of maintenance, the drawbacks of disclosure satisfy that the requirement of heating furnace production, but exist very big.
This bearing connected mode, because safety catch is to be fixed on hydraulic cylinder upper bracket edge, liquid by welding manner All it is unthreaded hole on cylinder pressure upper bracket and framework, the two is used high strength exploitation, there is gap between bolt and hole, once safety Block sealing-off, when the continuation of heating furnace walking machinery is acted, can produce additional internal force between bolt and hole, take off hydraulic cylinders bearing From origin-location, if wanting to reset, it is necessary to cumbersome using the installation tool and equipment of specialty.
This bearing connected mode, once bolt looseness on bearing, making safety catch sealing-off, wants to reset bearing, must Push against and weld again after safety catch after sealing-off and former bearing edge commissure must being polished flat, and the mistake that this polishes again Journey, it is time-consuming not say and laborious, while the process for pushing against safety catch repair welding is also pretty troublesome.
This bearing connected mode, it is common in small light-load heating furnace.In large-scale heavy duty heating furnace, in larger alternation Under stress, safety catch sealing-off and connecting bolt loosen relatively common, bearing reset needs under this bearing connected mode Special Work tool and the erection staff of specialty, substantially increase the regular maintenance cost of heating furnace walking machinery.
The content of the invention
Regarding to the issue above, the present invention provides a kind of simple installation, easy to maintenance, hydraulic cylinders bearing and positions reliable hydraulic pressure Cylinder upper bracket fixed system.
To reach above-mentioned purpose, the present invention provides a kind of hydraulic cylinder upper bracket fixed system, including described in hydraulic cylinder, fixation The framework of the hydraulic cylinder upper bracket of hydraulic cylinder, the fixed hydraulic cylinder upper bracket, the hydraulic cylinder upper bracket passes through high-strength bolt Coordinate clamp nut group to fix on said frame, adjustment positioning seat is additionally provided with the framework, the adjustment positioning seat is at least The tube-in-tube structure passed through including a bolt or stud, the tube-in-tube structure partially or fully be with the bolt or stud The internal thread that external screw thread coordinates, the bolt or stud pass through the tube-in-tube structure, assemble conjunction with adjusting nut and are squeezed in hydraulic pressure On cylinder upper bracket, adjusting nut plays locking.
Further, the location-plate that the adjustment positioning seat includes a fixed plate, is connected with the fixed plate, described consolidates Fixed board, location-plate are fixedly connected with framework, wherein, the location-plate is vertically arranged, and the location-plate is provided with sleeve knot The internal thread that all external screw threads with the bolt or stud coordinate in structure, the tube-in-tube structure.
Further, the adjustment positioning seat also includes reinforcing plate, and the reinforcing plate connects with the fixed plate, location-plate Connect.
Further, the adjustment positioning seat also includes the ribs being arranged between the location-plate and fixed plate.
Further, the adjustment positioning seat is fixed support block on said frame, and the support block is provided with set The internal thread that all external screw threads with the bolt or stud coordinate in barrel structure, the tube-in-tube structure.
Further, the adjustment positioning seat on framework with being additionally provided with the reinforcement for reinforcing the support block.
Further, the clamp nut group is the double nuts structure contacted with each other.
Further, the adjusting nut group includes an at least stop nut.
Further, the adjusting nut group also prevents what stop nut from coming off including being arranged on one on the outside of stop nut Screwed retaining ring.
The present invention replaces safety catch, heating furnace walking machinery hydraulic cylinder upper bracket using high-strength bolt adjustment positioning seat It is connected and fixed between corresponding frame using high-strength bolt, double nut self-locking, when usually putting checking maintenance, finds to prop up on hydraulic cylinder Seat has loosening and shifting phenomena, as long as hydraulic cylinder upper bracket is returned to original position by the bolt, nut on fastening adjustment positioning seat, together When fastening hydraulic cylinder upper bracket and corresponding frame between high-strength bolt and double nut.
This hydraulic cylinder upper bracket fixed system is provided with independent adjustment positioner (adjustment positioning seat), treats on hydraulic cylinder After bearing adjustment is had good positioning, the nut check on positioning seat will be adjusted, the adjustment bolt now adjusted on positioning seat pushes against hydraulic pressure The side plate of cylinder upper bracket.Adjustment positioning seat typically has near hydraulic cylinder upper bracket and therewith certain distance, in corresponding frame Fixation.Usually when the bolt looseness between hydraulic cylinder upper bracket and framework, as long as bolt, spiral shell on adjustment positioning seat Mother, then the bolt fastening between hydraulic cylinder upper bracket and framework can be resetted hydraulic cylinder upper bracket.Seat structure namely tune Whole positioning seat, not only beneficial to installing, safeguarding, the adjustment of hydraulic cylinder upper bracket is positioned and multiple under the heavily loaded alternate stress that is particularly suitable for use in Position.
Adjustment positioning support used by this hydraulic cylinder upper bracket fixed system, simple in construction, design is convenient, is particularly suitable for use in The hydraulic cylinder upper bracket of large-scale, heavily loaded heating furnace is fixed, and typically fixes many places along hydraulic cylinder upper bracket side board edge.It is fixed in adjustment Screwed hole is drilled with the seat of position, as long as the screw strength on multiple positioning seats is met hydraulic cylinder upper bracket during design loosens rear support The destruction of the alternation internal force produced between framework, can meet the reset requirement of hydraulic cylinder upper bracket.Adjust positioning seat Fixation with corresponding frame can be both connected by screw bolts, it would however also be possible to employ welding, it is ensured that bonding strength.
Adjustment positioning support used by this hydraulic cylinder upper bracket fixed system replaces safety catch, in order to install, The convenience of hydraulic cylinder upper bracket is dismantled, without needing weld mark of polishing as safety catch, while without specialty during maintenance Erection staff, as long as the point inspection workman of factory is operable and simple to operate, convenient, the time saves, efficiency is fast, makes stepper The installation of tool hydraulic cylinder upper bracket, maintenance, maintenance cost are substantially reduced.
The branch of walking machinery hydraulic cylinder under this hydraulic cylinder upper bracket fixed system, the large-scale heavy duty alternate stress that is particularly suitable for use in Seat is adjusted, fixed.For that frequently carrier setting bolt may loosen with bearing displacement with extremely strong repairing effect, letter is not only operated Singly and without substantial amounts of manpower, the service efficiency of heating furnace is substantially increased.
Brief description of the drawings
Fig. 1 is the hydraulic cylinder upper bracket fixed system mounting and adjusting structure chart of the present invention;
Fig. 2 is the concrete structure and operation principle for adjusting positioning seat.
Fig. 3 is the structure composition for adjusting bearing a;
Fig. 4 is the structure composition for adjusting bearing a;
Fig. 5 is the structure composition for adjusting bearing a.
Embodiment
The present invention will be further described below in conjunction with the accompanying drawings.
Present hydraulic cylinder upper bracket fixed system, including it is hydraulic cylinder, the hydraulic cylinder upper bracket of the fixed hydraulic cylinder, solid The framework of the fixed hydraulic cylinder upper bracket, it is described that the hydraulic cylinder upper bracket coordinates clamp nut group to be fixed on by high-strength bolt On framework, adjustment positioning seat is additionally provided with the framework, the adjustment positioning seat at least includes the set that a bolt or stud pass through Barrel structure, the tube-in-tube structure is partially or fully the internal thread coordinated with the external screw thread on the bolt or stud, described Bolt or stud pass through the tube-in-tube structure, assemble conjunction with adjusting nut and are squeezed on hydraulic cylinder upper bracket, and adjusting nut plays lock Tightly.
Embodiment 1
As shown in figure 1, hydraulic cylinder upper bracket fixed system, in its mounting and adjusting structure chart, hydraulic cylinder upper bracket 1, frame Frame 2, adjustment positioning seat 3, bottom roller 4, hydraulic cylinder 5 are autonomous device, hydraulic cylinder upper bracket 1 against bottom roller 4 on the frame 2 It is bolted on framework 2, is adjusted after positioning seat 3 has good positioning the adjustment of hydraulic cylinder upper bracket 1 on the frame 2 at mounting base Fixation.General hydraulic cylinder 5 is arranged in the bottom of framework 2.
As shown in Fig. 2 hydraulic cylinder upper bracket fixed system and operation principle.Adjustment positioning seat is made up of the part of a, b, c tri-: Bearing a is adjusted, screwed hole is provided with above;High-strength bolt b, full thread;High strength nut c.During initial installation, first by hydraulic pressure After cylinder upper bracket 1 and framework 2 are fixed, by adjustment positioning seat 3, also appropriate location is fixed on framework.High intensity is adjusted afterwards Bolt b, is allowed to be close to the side plate A faces of hydraulic cylinder upper bracket 1, after adjustment is fixed, and high strength nut c is tight in adjustment bearing a By being tightened at high-strength bolt b, you can hydraulic cylinder upper bracket 1 is locked.When hydraulic cylinder upper bracket 1 has loosened, unclamp high Intensity nut c, readjust high-strength bolt b hydraulic cylinder upper bracket 1 is resetted after, fasten high strength nut c again.
As shown in Fig. 3 to 5, adjustment bearing a structure composition.Bearing a is adjusted by fixed plate 11, location-plate 12, reinforcement 13 compositions.One side between fixed plate 11 and location-plate 12 on Fig. 1 frameworks opens groove welding and weld seam strikes off.Reinforcement 13 play booster action between fixed plate 11 and location-plate 12.The screwed hole of single row or multiple rows, multiple row is provided with location-plate 12. Location-plate 12 can be the structure of plate or the form of locating piece.The high-strength bolt b for being connected to high strength nut c is worn The side plate A faces of the hydraulic cylinder upper bracket 1 of the bolt hole crossed on location-plate 12 in fig. 2 are adjacent to, and are afterwards close to high strength nut c Location-plate 2 is tightened.The form of this adjustment bearing can do difference according to the situation for the load born and the occasion of application Variation, be not limited to hydraulic cylinder upper bracket adjustment positioning.
In the present embodiment, the location-plate that the adjustment positioning seat includes a fixed plate, is connected with the fixed plate is described Fixed plate, location-plate are fixedly connected with framework, wherein, the location-plate is vertically arranged, and the location-plate is provided with sleeve The internal thread that all external screw threads with the bolt or stud coordinate in structure, the tube-in-tube structure.The adjustment positioning Seat also includes reinforcing plate, and the reinforcing plate is connected with the fixed plate, location-plate.The adjustment positioning seat also includes being arranged on institute State the ribs between location-plate and fixed plate.
Embodiment 2
The present embodiment hydraulic cylinders bearing fixed system, including it is hydraulic cylinder, the hydraulic cylinder upper bracket of the fixed hydraulic cylinder, solid The framework of the fixed hydraulic cylinder upper bracket, it is described that the hydraulic cylinder upper bracket coordinates clamp nut group to be fixed on by high-strength bolt On framework, adjustment positioning seat is additionally provided with the framework.The adjustment positioning seat is fixed support block on said frame, institute Support block is stated provided with tube-in-tube structure, all external screw thread cooperations with the bolt or stud is interior in the tube-in-tube structure Screw thread.The adjustment positioning seat on framework with being additionally provided with the reinforcement for reinforcing the support block.
In the various embodiments described above, the clamp nut group is the double nuts structure contacted with each other.
In the various embodiments described above, the adjusting nut group includes an at least stop nut.
In the various embodiments described above, the adjusting nut group also prevents stop nut including being arranged on one on the outside of stop nut The screwed retaining ring come off.
Hydraulic cylinder upper bracket fixed system on walking machinery hydraulic cylinder of the present invention is simple in construction, makes, installs It is convenient, without increasing special equipment, simply original safety catch is changed to adjust positioning seat, heating furnace can either be met and set Standby production requirement, reduces installation, maintenance cost again.
Hydraulic cylinder upper bracket fixed system structure of the present invention, small light-load can be met simultaneously and large-scale heavy duty is handed over The adjustment of heating furnace hydraulic cylinder upper bracket, which resets, under varying stress requires, it is to avoid due to the weld seam caused using safety catch sealing-off Bruting process, substantially reduces maintenance cost, and then improves heating furnace service efficiency.
Hydraulic cylinder upper bracket fixed system of the present invention, is easily realized, high-strength on adjustment positioning seat by adjusting Degree bolt, nut can reset hydraulic cylinder upper bracket, easy to operate, reliable.
More than, only presently preferred embodiments of the present invention, but protection scope of the present invention is not limited thereto, and it is any to be familiar with sheet Those skilled in the art the invention discloses technical scope in, the change or replacement that can be readily occurred in should all be covered Within protection scope of the present invention.Therefore, the protection domain that protection scope of the present invention should be defined by claim is defined.

Claims (9)

1. a kind of hydraulic cylinder upper bracket fixed system, it is characterised in that including on hydraulic cylinder, the hydraulic cylinder of the fixed hydraulic cylinder The framework of bearing, the fixed hydraulic cylinder upper bracket, the hydraulic cylinder upper bracket coordinates clamp nut group to consolidate by high-strength bolt Fixed that adjustment positioning seat is additionally provided with the framework on said frame, the adjustment positioning seat at least includes a bolt or stud The tube-in-tube structure passed through, the tube-in-tube structure is partially or fully the interior spiral shell coordinated with the external screw thread on the bolt or stud Line, the bolt or stud pass through the tube-in-tube structure, assemble conjunction with adjusting nut and are squeezed on hydraulic cylinder upper bracket, adjust spiral shell Mother's locking.
2. hydraulic cylinder upper bracket fixed system according to claim 1, it is characterised in that the adjustment positioning seat includes one Fixed plate, the location-plate being connected with the fixed plate, described fixed plate, location-plate are fixedly connected with framework, wherein, institute State location-plate to be vertically arranged, the location-plate is provided with all in tube-in-tube structure, the tube-in-tube structure and the bolt or spiral shell The internal thread that external screw thread on post coordinates.
3. hydraulic cylinder upper bracket fixed system according to claim 2, it is characterised in that the adjustment positioning seat also includes Reinforcing plate, the reinforcing plate is connected with the fixed plate, location-plate.
4. hydraulic cylinder upper bracket fixed system according to claim 2, it is characterised in that the adjustment positioning seat also includes It is arranged on the ribs between the location-plate and fixed plate.
5. hydraulic cylinder upper bracket fixed system according to claim 1, it is characterised in that the adjustment positioning seat is fixation Support block on said frame, the support block is provided with all in tube-in-tube structure, the tube-in-tube structure and bolt Or the internal thread that the external screw thread on stud coordinates.
6. hydraulic cylinder upper bracket fixed system according to claim 5, it is characterised in that the adjustment positioning seat and framework On be additionally provided with the reinforcement for reinforcing the support block.
7. hydraulic cylinder upper bracket fixed system according to claim 1, it is characterised in that the clamp nut group is mutual The double nuts structure of contact.
8. hydraulic cylinder upper bracket fixed system according to claim 1, it is characterised in that the adjusting nut group is included extremely A few stop nut.
9. hydraulic cylinder upper bracket fixed system according to claim 1, it is characterised in that the adjusting nut group also includes It is arranged on one on the outside of the stop nut screwed retaining ring for preventing stop nut from coming off.
CN201511018035.9A 2015-12-29 2015-12-29 Hydraulic cylinder upper bracket fixed system Active CN105466220B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201511018035.9A CN105466220B (en) 2015-12-29 2015-12-29 Hydraulic cylinder upper bracket fixed system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201511018035.9A CN105466220B (en) 2015-12-29 2015-12-29 Hydraulic cylinder upper bracket fixed system

Publications (2)

Publication Number Publication Date
CN105466220A CN105466220A (en) 2016-04-06
CN105466220B true CN105466220B (en) 2017-07-11

Family

ID=55604187

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201511018035.9A Active CN105466220B (en) 2015-12-29 2015-12-29 Hydraulic cylinder upper bracket fixed system

Country Status (1)

Country Link
CN (1) CN105466220B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109323595B (en) * 2018-11-02 2023-11-14 山东东华水泥有限公司 Grate cooler and mounting process thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5862906A (en) * 1994-11-17 1999-01-26 Von Wedel; Karl Grate plate arrangement
CN203893677U (en) * 2014-06-18 2014-10-22 武钢集团昆明钢铁股份有限公司 Hydraulic drive stepping type feeding rack
CN204214276U (en) * 2014-11-05 2015-03-18 中天钢铁集团有限公司 A kind of Simple adjustable stove inner position pin
CN204286068U (en) * 2014-11-25 2015-04-22 无锡市晶瑜冶金机械有限公司 Walking-beam furnace
CN205300266U (en) * 2015-12-29 2016-06-08 中冶华天南京工业炉有限公司 Pneumatic cylinder upper bracket fixing system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5862906A (en) * 1994-11-17 1999-01-26 Von Wedel; Karl Grate plate arrangement
CN203893677U (en) * 2014-06-18 2014-10-22 武钢集团昆明钢铁股份有限公司 Hydraulic drive stepping type feeding rack
CN204214276U (en) * 2014-11-05 2015-03-18 中天钢铁集团有限公司 A kind of Simple adjustable stove inner position pin
CN204286068U (en) * 2014-11-25 2015-04-22 无锡市晶瑜冶金机械有限公司 Walking-beam furnace
CN205300266U (en) * 2015-12-29 2016-06-08 中冶华天南京工业炉有限公司 Pneumatic cylinder upper bracket fixing system

Also Published As

Publication number Publication date
CN105466220A (en) 2016-04-06

Similar Documents

Publication Publication Date Title
KR20150061467A (en) High tension anchor for connecting steel pier and concrete foundation and its asembly and steel pier construction method using the same
CN105466220B (en) Hydraulic cylinder upper bracket fixed system
CN104285012A (en) Foundation anchor for industrial-scale machines
CN204715225U (en) A kind of bridge jacking platform based on steel hoop
CN205444889U (en) Support arrangement for horizontal prefabricated component
CN201688027U (en) Prefabricated pipeline platform and prefabricated pipeline
CN103967508A (en) Stretchable quick stress compensation type steel frame connection structure
KR101399375B1 (en) Space frame with virtical bracket
CN205300266U (en) Pneumatic cylinder upper bracket fixing system
CN205369978U (en) Prefabricated plate support frame
CN216196840U (en) Floor plate collapse prevention device of escalator
CN206971395U (en) A kind of rubber support and profile steel concrete column draw bail
CN105804417A (en) Sway brace for installation of assembly type building wallboard and using method thereof
CN204677102U (en) Adjustable gap bridge ladder
CN105089291B (en) For installing the reinforcing steel structural roof of solar panel
CN210655735U (en) Rectangular tube positioning and connecting structure for additionally mounting elevator frame
CN103953040B (en) Sill anchor assembling support and sill anchor assembling method
CN206486902U (en) A kind of replaceable prestressed anchor bolt mechanism
CN202048081U (en) Bolt component
CN205296409U (en) Two -sided fixed anticreep steelframe connecting piece
CN220100210U (en) Steel structure connecting piece for heavy steel factory building hoisting system
CN210316015U (en) Split type stud of steel construction threaded connection
CN105240224B (en) A kind of levelling device for foundation ring of wind generating set and method
CN217680739U (en) Building structure design beam column reinforced structure
CN114033203A (en) Floor plate collapse prevention device of escalator

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C41 Transfer of patent application or patent right or utility model
TA01 Transfer of patent application right

Effective date of registration: 20161209

Address after: 243005 Hunan West Road, Anhui, China, No. 699, No.

Applicant after: Zhongye Huatian Engineering Technology Co., Ltd.

Address before: Jianye District of Nanjing City, Jiangsu province 210019 the Fuchun River Street No. 18

Applicant before: Nanjing Industrial Furnace Co., Ltd., HTC

GR01 Patent grant
GR01 Patent grant
CP02 Change in the address of a patent holder

Address after: Jianye District of Nanjing City, Jiangsu province 210019 the Fuchun River Street No. 18

Patentee after: HUATIAN ENGINEERING & TECHNOLOGY CORPORATION, MCC

Address before: 243005 No. 699 West Hunan Road, Anhui, Ma'anshan

Patentee before: HUATIAN ENGINEERING & TECHNOLOGY CORPORATION, MCC

CP02 Change in the address of a patent holder