CN108557230A - A kind of apparatus for placing and preparation method thereof with electrical integrated taiwan area complete set of equipments - Google Patents

A kind of apparatus for placing and preparation method thereof with electrical integrated taiwan area complete set of equipments Download PDF

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Publication number
CN108557230A
CN108557230A CN201810402897.9A CN201810402897A CN108557230A CN 108557230 A CN108557230 A CN 108557230A CN 201810402897 A CN201810402897 A CN 201810402897A CN 108557230 A CN108557230 A CN 108557230A
Authority
CN
China
Prior art keywords
wooden
fixed
collet
placing
arm
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.)
Pending
Application number
CN201810402897.9A
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Chinese (zh)
Inventor
张书源
李峰
张帆
李军
傅春明
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.)
SHANDONG ELECTRICAL ENGINEERING & EQUIPMENT GROUP XINNENG TECHNOLOGY CO., LTD.
Materials Branch of State Grid Ningxia Electric Power Co Ltd
Original Assignee
Shandong Electrical Engineering & Equipment Group Xinneng Technology Co Ltd
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 Shandong Electrical Engineering & Equipment Group Xinneng Technology Co Ltd filed Critical Shandong Electrical Engineering & Equipment Group Xinneng Technology Co Ltd
Priority to CN201810402897.9A priority Critical patent/CN108557230A/en
Publication of CN108557230A publication Critical patent/CN108557230A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D25/00Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/02Internal fittings
    • B65D25/10Devices to locate articles in containers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D25/00Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/02Internal fittings

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Patch Boards (AREA)

Abstract

The invention belongs to the auxiliary device fields of integrated allocated radio, are related to a kind of apparatus for placing and preparation method thereof with electrical integrated taiwan area complete set of equipments, including wooden bearing box and steel side case;The wooden bearing box includes wooden collet, be provided on the wooden collet the mating bolt bearing cavity of fixed frame bearing cavity, anchor ear, double threaded screw bearing cavity, the first transformer support load chamber, the second transformer support load chamber, wooden collet top inside both ends be both provided with wooden stud, the top of wooden stud is provided with fixer for lightning arrester, and arrester mounting hole is provided in the middle part of fixer for lightning arrester;Steel side case includes carrying babinet, and the upper and lower of carrying babinet is both provided with two carrying slideways;It is provided with fixed loading plate in the carrying slideway of the upper and lower corresponding;Three groups of fuse switches are provided on the fixed loading plate.Technical solution provided by the invention is easily understood, is easily operated, batch production is facilitated to process and produce in enormous quantities manufacture.

Description

A kind of apparatus for placing and preparation method thereof with electrical integrated taiwan area complete set of equipments
Technical field
The invention belongs to the auxiliary device field of integrated allocated radio, it is related to associated components in distribution transformer, JP cabinets Apparatus for placing more particularly to a kind of apparatus for placing and preparation method thereof with electrical integrated taiwan area complete set of equipments.
Background technology
With the gradual perfection of national grid high pressure, extra-high voltage system, formed " three vertical three is horizontal ", " three hand over four straight " backbone Transmission line of electricity provides solid backing for the central and east and coastal area reliable power supply.But current China's city village distribution construction is still located In reduced levels, 2014 Nian Guowang companies propose realization " Two change ", create " world-class power grid, world-class enterprise " Target, highlighted the job requirement of " reinforcing urban power distribution network construction, promote power grid intelligent ".Distribution transformer and its Taiwan area is the capital equipment of low-voltage network, and installation is built and its stable and reliable operation directly affects entire electric system Economic benefit and user experience.
With the popularization of intelligent power distribution integration taiwan area, State Grid Corporation of China discloses distribution network engineering modular design (2016 editions), promote distribution Standardization Construction, wherein on 10kV integrations column become one or two complete set of equipments fascicles of platform and distribution into Power distribution network integration taiwan area construction provides detailed solution.But it is most of in current power distribution station is built Goods and materials, material are all bulk deliveries, and attachment is scattered and need to make, install at the scene, and it is long to cause taiwan area building time, existing Field heavy workload, waste of material are serious.Simultaneously as the mixed and disorderly irrationality of attachment, attachment is arbitrarily stacked in installation process at the scene, Bringing goods and materials should not manage and find, and material difficulty of matching increases in installation process, and smaller, scattered object is easy to be lost etc. to ask Topic.
Invention content
The present invention is directed to above-mentioned problem, provides a kind of apparatus for placing and its system with electrical integrated taiwan area complete set of equipments Make method.
In order to achieve the above object, the technical solution adopted by the present invention is,
A kind of apparatus for placing with electrical integrated taiwan area complete set of equipments, including wooden bearing box and steel side case;
The wooden bearing box includes wooden collet, and the inside one end in the centre on the wooden collet top is provided with One end of fixed frame bearing cavity for installing cable fixed mount on bar, the fixed frame bearing cavity is provided with the mating bolt of anchor ear Bearing cavity, the top of the mating bolt bearing cavity of anchor ear are provided with double threaded screw bearing cavity, in the wooden collet top The side of center portion position is provided with the first transformer support load chamber, and the other side is provided with the second transformer support load chamber, first transformation It is provided with pressing plate chamber in the middle part of device support load chamber, protection tube chamber is provided in the middle part of the second transformer support load chamber, it is described wooden The inside both ends on collet top are both provided with wooden stud, and the top of the wooden stud is provided with fixer for lightning arrester, described Arrester mounting hole is provided in the middle part of fixer for lightning arrester;
Steel side case includes carrying babinet, and the upper and lower of carrying babinet is both provided with two carrying slideways;
It is provided with fixed loading plate in the carrying slideway of the upper and lower corresponding;It is provided with three groups on the fixed loading plate Fuse switch, the top of the fixed loading plate are provided with the rectangular receiving hole for accommodating cold shrink tube.
Preferably, the fixed seat of the fixer for lightning arrester being provided at both ends with for placing cross-arm anchor ear.
Preferably, the inside both ends on the wooden collet top are both provided with spare unit bolt chamber.
Preferably, the bottom of the wooden collet is provided with support square column, the number of the support square column is 2-6, Uniformly it is arranged in the bottom of wooden collet.
Preferably, the top of the wooden collet is provided with the sealing cover being equipped with wooden collet.
A kind of apparatus for placing with electrical integrated taiwan area complete set of equipments made described in any one of claim 1-5 Method specifically includes step:
1) packing case divides upper layer and lower layer structure, and according to attachment positioning figure, registration pattern is drawn out in packing case bottom;
2) prefabricated each attachment is sequentially placed into position shown in registration pattern, and is fixed by fixed wooden unit;
3) fiery support cross arm, fuse switch cross-arm, arrester cross-arm under prefabricated two are placed on overstory Expect on supporting rack;
4) prefabricated insulated conductor is placed on the insulator of upper layer cross-arm;
5) utilize binding strap by each cross-arm of insulated conductor and upper layer, lower layer's material is mutually fixed with wooden case pedestal;
6) fuse switch, arrester, cold-shrinkable terminal etc. are fixed in the case of steel side;
7) the various information such as shipping mark, security identifier are printed on wooden case, steel side box body;
8) big packing case, small steel side case, transformer, the complete dispatching of JP cabinets are finally completed.
Compared with prior art, the advantages and positive effects of the present invention are,
1, technical solution provided by the invention is easily understood, is easily operated, batch production is facilitated to process and produce in enormous quantities system It makes.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment Attached drawing be briefly described, it should be apparent that, drawings in the following description are some embodiments of the invention, for ability For the those of ordinary skill of domain, without having to pay creative labor, others are can also be obtained according to these attached drawings Attached drawing.
Fig. 1 is the dimensional structure diagram of wooden bearing box;
Fig. 2 is the part explosive view of wooden bearing box;
Fig. 3 is the overlooking structure diagram of wooden bearing box;
Fig. 4 is the dimensional structure diagram of steel side case;
Fig. 5 is the dimensional structure diagram of fuse switch;
In above each figure, 1, wooden collet;101, fixed frame bearing cavity;102, the mating bolt bearing cavity of anchor ear;103, double Head screw rod bearing cavity;104, (first, second) transformer support carries on a shoulder pole chamber;105, spare unit bolt chamber;2, wooden stud;3, arrester is solid Determine frame;4, cross-arm anchor ear;5, arrester;6, tube chamber is protected;7, cable fixed mount;8, stud;9, the mating spiral shell of cross-arm anchor ear Bolt;10, JP cabinets pressing plate;11, babinet is carried;1101, slideway is carried;12, fuse switch;13, fixed loading plate;1301、 Rectangular receiving hole;14, cold shrink tube.
Specific implementation mode
To better understand the objects, features and advantages of the present invention, with reference to the accompanying drawings and examples The present invention will be further described.It should be noted that in the absence of conflict, in embodiments herein and embodiment Feature can be combined with each other.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still, the present invention may be used also With using implementing different from other modes described here, therefore, the present invention is not limited to the specific of specification is described below The limitation of embodiment.
Embodiment 1, the present invention provides a kind of apparatus for placing with electrical integrated taiwan area complete set of equipments, for the wooden Sheng It puts for case, substantially a tooling case, it can be seen from the figure that including wooden bearing box and steel side case.
First say that the specific setting of wooden bearing box, wooden bearing box include wooden collet below, the wooden collet Main function be then for carrying associated components, which will be designed to its wooden material by inventor, also for Whole quality is reduced, inside one end of the center on wooden collet top is provided with for installing cable fixed mount on bar Fixed frame bearing cavity, one end of fixed frame bearing cavity is provided with the mating bolt bearing cavity of anchor ear, it can be seen from the figure that its The mating bolt bearing cavity of anchor ear be also include three parts, conveniently hold the mating bolt of cross-arm anchor ear for setting different model, send out A person of good sense is provided with double threaded screw bearing cavity in order to reasonably utilize space, on the top of the mating bolt bearing cavity of anchor ear, it is evident that Its stud bearing cavity also includes two parts, and the purpose is to consistent with the mating bolt bearing cavity of anchor ear;It can from Fig. 2 Go out, the side in the centre on wooden collet top is provided with the first transformer support and carries on a shoulder pole chamber, and the other side is provided with the second transformation Device support carries on a shoulder pole chamber, it is evident that and the two support load chambers are to carry on a shoulder pole transformer onto two cavitys for holding transformer, the The middle part that one transformer support carries on a shoulder pole chamber is provided with pressing plate chamber, and the middle part that the second transformer support carries on a shoulder pole chamber is provided with protection tube chamber, wooden bottom The inside both ends on support top are provided with wooden stud, and the top of wooden stud is provided with fixer for lightning arrester, and arrester is fixed The middle part of frame is provided with arrester mounting hole, and setting here is also relatively good understanding, therefore is not described in detail, from figure As can be seen that its fixer for lightning arrester is also to be provided with three groups in 1 and Fig. 2, realize that the maximum of babinet utilizes.
Other than above-mentioned design, inventor has also done specific setting below:
The fixed seat of its fixer for lightning arrester being provided at both ends with for placing cross-arm anchor ear;
The inside both ends on wooden collet top are both provided with spare unit bolt chamber;
The bottom of wooden collet is provided with support square column, and the number of the support square column is 2-6, uniform to be arranged in wood The bottom of matter collet;
The top of wooden collet is provided with the sealing cover being equipped with wooden collet.
As shown in Figure 4 and Figure 5, steel side case includes carrying babinet, carries the upper and lower of babinet and has been provided with two carryings Slideway, it is vertical right two-by-two up and down here figure 4, it is seen that it is substantially 4 that it, which carries slideway in the setting of box house, It answers, fixed loading plate is provided in upper and lower corresponding carrying slideway;It is obvious that being provided with two fixations in its bearing box body Loading plate;Three groups of fuse switches are provided on fixed loading plate, the top of fixed loading plate is provided with for accommodating shrinkage The rectangular receiving hole of pipe, fuse switch is the prior art, therefore is not described in detail.
Compared with present packaging scheme, technical scheme of the present invention is by goods and materials material needed for installation process by installation Reverse order is placed in wooden case, and by packing case with complete dispatchings such as transformer, JP cabinets, when site operation can be greatly reduced Between, difficulty of construction is reduced, construction efficiency is improved.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, below with regard to 10kV vertical integrations The present invention is described in more detail for taiwan area, the accessory encasement of 15 meters of double rods and complete offer scheme:
Step 1:The prepackage work for carrying out cable support frame first, fixed frame used, fixed frame anchor ear, card armful etc. is attached One entirety of part pre-assembled, and the mating bolt for being not required to dismounting is fixed.
Step 2:The prefabricated work for carrying out lower fiery support cross arm, fuse switch cross-arm, arrester cross-arm, according to reality Compound insulator, cross-arm anchor ear are fixed on each cross-arm by border assembly size corresponding in needing, position, direction, are ensured It is fixed not fall off.It should ensure that compound insulator fixes wire grooves and each cross-arm is perpendicular, cross-arm anchor ear institute after fixation Formation groove should be consistent with cross-arm bending direction and towards ground, prevents sleet from accumulating corrosion attachment.
Step 3:It carries out packing case bottom positioning figure to draw, according to lower layer's material placement position drawing area figure, facilitates behaviour It carries out putting fixation as personnel.
Step 4:Attachment is put according to the location drawing sequence drawn in step 3, includes mainly that transformer support is carried on a shoulder pole, on bar Cable fixed mount, transformer support load anchor ear, arrester cross-arm anchor ear, fuse switch cross-arm anchor ear, insulator cross-arm anchor ear, Transformer support carries on a shoulder pole double threaded screw etc..
Step 5:By the bolt and nut used in each attachment assembling process by specifications and models class wrapping, it is placed on its institute In the gap of formation, spare unit bolt and nut is placed on to the interval at wooden case bottom both ends.
Step 6:By three prefabricated transformer lead wires, low-voltage cable protection pipe, transformer pressing plate, JP cabinet pressing plates It is placed in the inside groove of transformer support load.
Step 7:Lower fiery support cross arm prefabricated in step 2, fuse switch cross-arm, arrester cross-arm are placed In the card slot of upper layer timber supporting rack.
Step 8:The insulator that prefabricated insulated conductor, ground wire classification are put into cross-arm in step 7 is formed by In central area.
Step 9:Using binding strap by Step 7: insulated conductor, ground wire, each cross-arm etc. in step 8 are fixed, Prevent material during transport or conveyance from colliding.
Step 10:The attachment put in step 4 and wooden case pedestal are mutually fixed using binding strap.
Step 11:Wooden case case lid is covered, is fixed using air nail gun, wooden-box package is completed.
Step 12:Arrester, fuse switch, cold-shrinkable terminal are put into the box structure of steel side, using blocking in wooden case Slot is fixed, and completes joint sealing.
Step 13:A whole set of transformer platform area required thing is constituted by transformer, JP cabinets, wooden case and four part of steel side case Money, realizes complete offer solution.
The above described is only a preferred embodiment of the present invention, being not that the invention has other forms of limitations, appoint What those skilled in the art changed or be modified as possibly also with the technology contents of the disclosure above equivalent variations etc. It imitates embodiment and is applied to other fields, but it is every without departing from technical solution of the present invention content, according to the technical essence of the invention To any simple modification, equivalent variations and remodeling made by above example, the protection domain of technical solution of the present invention is still fallen within.

Claims (6)

1. a kind of apparatus for placing with electrical integrated taiwan area complete set of equipments, which is characterized in that including wooden bearing box and steel side Case;
The wooden bearing box includes wooden collet, and the inside one end in the centre on the wooden collet top, which is provided with, to be used for The fixed frame bearing cavity of cable fixed mount on bar is installed, one end of the fixed frame bearing cavity is provided with the mating bolt carrying of anchor ear The top of chamber, the mating bolt bearing cavity of anchor ear is provided with double threaded screw bearing cavity, the central part on the wooden collet top The side of position is provided with the first transformer support load chamber, and the other side is provided with the second transformer support load chamber, the first transformer support It is provided with pressing plate chamber in the middle part of load chamber, protection tube chamber, the wooden collet are provided in the middle part of the second transformer support load chamber The inside both ends on top are both provided with wooden stud, and the top of the wooden stud is provided with fixer for lightning arrester, described lightning-arrest Arrester mounting hole is provided in the middle part of device fixed frame;
Steel side case includes carrying babinet, and the upper and lower of carrying babinet is both provided with two carrying slideways;
It is provided with fixed loading plate in the carrying slideway of the upper and lower corresponding;Three groups are provided on the fixed loading plate to fall Formula fuse, the top of the fixed loading plate are provided with the rectangular receiving hole for accommodating cold shrink tube.
2. a kind of apparatus for placing with electrical integrated taiwan area complete set of equipments according to claim 1, which is characterized in that described The fixed seat of fixer for lightning arrester being provided at both ends with for placing cross-arm anchor ear.
3. a kind of apparatus for placing with electrical integrated taiwan area complete set of equipments according to claim 2, which is characterized in that described The inside both ends on wooden collet top are both provided with spare unit bolt chamber.
4. a kind of apparatus for placing with electrical integrated taiwan area complete set of equipments according to claim 3, which is characterized in that described The bottom of wooden collet is provided with support square column, and the number of the support square column is 2-6, is uniformly arranged in wooden collet Bottom.
5. a kind of apparatus for placing with electrical integrated taiwan area complete set of equipments according to claim 4, which is characterized in that described The top of wooden collet is provided with the sealing cover being equipped with wooden collet.
6. a kind of side making the apparatus for placing with electrical integrated taiwan area complete set of equipments described in any one of claim 1-5 Method, which is characterized in that specifically include step:
1) packing case divides upper layer and lower layer structure, and according to attachment positioning figure, registration pattern is drawn out in packing case bottom;
2) prefabricated each attachment is sequentially placed into position shown in registration pattern, and is fixed by fixed wooden unit;
3) fiery support cross arm, fuse switch cross-arm, arrester cross-arm under prefabricated two are placed on upper layer timber branch On support;
4) prefabricated insulated conductor is placed on the insulator of upper layer cross-arm;
5) utilize binding strap by each cross-arm of insulated conductor and upper layer, lower layer's material is mutually fixed with wooden case pedestal;
6) fuse switch, arrester, cold-shrinkable terminal etc. are fixed in the case of steel side;
7) the various information such as shipping mark, security identifier are printed on wooden case, steel side box body;
8) big packing case, small steel side case, transformer, the complete dispatching of JP cabinets are finally completed.
CN201810402897.9A 2018-04-28 2018-04-28 A kind of apparatus for placing and preparation method thereof with electrical integrated taiwan area complete set of equipments Pending CN108557230A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810402897.9A CN108557230A (en) 2018-04-28 2018-04-28 A kind of apparatus for placing and preparation method thereof with electrical integrated taiwan area complete set of equipments

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810402897.9A CN108557230A (en) 2018-04-28 2018-04-28 A kind of apparatus for placing and preparation method thereof with electrical integrated taiwan area complete set of equipments

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Publication Number Publication Date
CN108557230A true CN108557230A (en) 2018-09-21

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3187896U (en) * 2013-10-10 2013-12-19 株式会社リングスター Tray mounting structure for storage containers such as tool boxes
CN105197361A (en) * 2015-11-05 2015-12-30 国网山东荣成市供电公司 Container convenient to load and unload
CN106965140A (en) * 2017-03-31 2017-07-21 王新朋 A kind of electric power detects tool container
CN107298232A (en) * 2017-08-24 2017-10-27 南京亚力电气有限公司 Pole type transformer platform complete set of equipments integration packaging structure
CN206750424U (en) * 2017-04-21 2017-12-15 南充隆固机械工业有限公司 A kind of bogey for being easy to bent axle to transport over long distances
CN206937284U (en) * 2017-04-19 2018-01-30 国网浙江嘉善县供电公司 A kind of electric power facility suite pre-installs fixation multiple layer combination storage rack
CN207044132U (en) * 2017-05-18 2018-02-27 新昌县羽林街道星捷轴承厂 Tool box is rushed to repair in a kind of distribution
CN208731536U (en) * 2018-04-28 2019-04-12 山东电工电气集团新能科技有限公司 A kind of apparatus for placing with electrical integrated area's complete set of equipments

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3187896U (en) * 2013-10-10 2013-12-19 株式会社リングスター Tray mounting structure for storage containers such as tool boxes
CN105197361A (en) * 2015-11-05 2015-12-30 国网山东荣成市供电公司 Container convenient to load and unload
CN106965140A (en) * 2017-03-31 2017-07-21 王新朋 A kind of electric power detects tool container
CN206937284U (en) * 2017-04-19 2018-01-30 国网浙江嘉善县供电公司 A kind of electric power facility suite pre-installs fixation multiple layer combination storage rack
CN206750424U (en) * 2017-04-21 2017-12-15 南充隆固机械工业有限公司 A kind of bogey for being easy to bent axle to transport over long distances
CN207044132U (en) * 2017-05-18 2018-02-27 新昌县羽林街道星捷轴承厂 Tool box is rushed to repair in a kind of distribution
CN107298232A (en) * 2017-08-24 2017-10-27 南京亚力电气有限公司 Pole type transformer platform complete set of equipments integration packaging structure
CN208731536U (en) * 2018-04-28 2019-04-12 山东电工电气集团新能科技有限公司 A kind of apparatus for placing with electrical integrated area's complete set of equipments

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CB03 Change of inventor or designer information
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Inventor after: Zhang Shuyuan

Inventor after: Qi Yi

Inventor after: Li Feng

Inventor after: Zhang Fan

Inventor after: Li Jun

Inventor after: Fu Chunming

Inventor after: Dong Qi

Inventor after: Ma Pengcheng

Inventor before: Zhang Shuyuan

Inventor before: Li Feng

Inventor before: Zhang Fan

Inventor before: Li Jun

Inventor before: Fu Chunming

TA01 Transfer of patent application right
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Effective date of registration: 20190612

Address after: 750011 1-3 floors of No.1 office building, Yingkangchen District, Baohu Middle Road, Jinfeng District, Yinchuan City, Ningxia Hui Autonomous Region

Applicant after: State Grid Ningxia Electric Power Co., Ltd. Material Company

Applicant after: SHANDONG ELECTRICAL ENGINEERING & EQUIPMENT GROUP XINNENG TECHNOLOGY CO., LTD.

Address before: 250100 Office Building 1/F 103, No. 16 Chonghua Road, Jinan High-tech Zone, Shandong Province

Applicant before: SHANDONG ELECTRICAL ENGINEERING & EQUIPMENT GROUP XINNENG TECHNOLOGY CO., LTD.