CN109186107A - Groove type heat collector bracket and application thereof - Google Patents

Groove type heat collector bracket and application thereof Download PDF

Info

Publication number
CN109186107A
CN109186107A CN201811013720.6A CN201811013720A CN109186107A CN 109186107 A CN109186107 A CN 109186107A CN 201811013720 A CN201811013720 A CN 201811013720A CN 109186107 A CN109186107 A CN 109186107A
Authority
CN
China
Prior art keywords
type heat
groove type
heat collector
support frame
girder
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.)
Granted
Application number
CN201811013720.6A
Other languages
Chinese (zh)
Other versions
CN109186107B (en
Inventor
李文
刘牧
米国旭
蔡云飞
董立珍
王卓
陈京超
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 Qiweite Solar Technology Co Ltd
Original Assignee
Shandong Qiweite Solar 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 Qiweite Solar Technology Co Ltd filed Critical Shandong Qiweite Solar Technology Co Ltd
Priority to CN201811013720.6A priority Critical patent/CN109186107B/en
Publication of CN109186107A publication Critical patent/CN109186107A/en
Application granted granted Critical
Publication of CN109186107B publication Critical patent/CN109186107B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers
    • Y02E10/47Mountings or tracking

Landscapes

  • Supports For Pipes And Cables (AREA)
  • Road Signs Or Road Markings (AREA)

Abstract

The present invention provides a kind of groove type heat collector bracket, including column, support frame, collector tube holder;Support frame as described above connects adjacent columns by shaft assembly, and reflecting mirror is fixed on column by support frame;The collector tube holder is fixed on the support frame;Wherein, support frame as described above includes triangle torque box and glass support;The triangle torque box includes girder, curb girder and several diagonal braces, and the both ends of the girder and curb girder are individually fixed in fixed plate, forms several triangular structures by several diagonal braces between the girder and curb girder.Groove type heat collector bracket of the invention is easy for installation, and stability height, light weight effectively reduce material cost and cost of labor.

Description

Groove type heat collector bracket and application thereof
Technical field
The present invention relates to a kind of brackets, and in particular to a kind of groove type heat collector bracket and application thereof.
Background technique
Currently, the groove type heat collector supporting structure used on the market includes transmission tube, quadrangle torque box etc., existing for Typical problem is exactly than heavier, and consumptive material is more, and assembling mode is mostly to weld, and needs to expend a large amount of manpower object in assembling process The production cost of power, corresponding product is higher, will appear torsional deflection larger situation in both ends when heat collection unit length is longer, Stability is poor, and thermal-collecting tube will appear phenomenon of being exposed to light accidentally in different environments, prevent the efficiency of heat collector is from reaching highest.
Summary of the invention
For deficiency of the prior art, the present invention provides a kind of groove type heat collector bracket, solves existing thermal-arrest Weight weight in device bracket, center of gravity is high, assembling cycle is long, it is at high cost, compared with long element length when both ends torsional deflections greatly, stability Greatly, the defects such as collecting efficiency is low.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme:
A kind of groove type heat collector bracket, including column, support frame, collector tube holder;Support frame as described above is connected by shaft assembly Adjacent columns is connect, reflecting mirror is fixed on column by support frame;The collector tube holder is fixed on the support frame;Wherein, Support frame as described above includes triangle torque box and glass support;The triangle torque box include girder, curb girder and several tiltedly The both ends of support, the girder and curb girder are individually fixed in fixed plate, are formed between the girder and curb girder by several diagonal braces Several triangular structures.
Further, the column includes driving pillar stand and driving column, is led between the driving pillar stand and driving column Cross support frame connection.
Further, the shaft assembly includes shell, the axle sleeve in shell and shaft body.
Further, the shell includes axis pedestal and upper casing, and the axle sleeve includes Lower shaft sleeve and Upper shaft sleeve, is set gradually In axis pedestal and upper casing.
Further, the glass support includes crossbeam and several supporting elements, the supporting element connecting cross beam and triangle Torque box, and several triangular structures are formed between supporting element.
Further, the collector tube holder includes bracket base, standpipe, the transverse tube and latch plate for connecting standpipe.
Further, the bottom of vertical is connected with backing plate, and the latch plate upper end is connect with backing plate, lower end and bracket base Connection.
Further, the latch plate is equipped with several adjustment holes, it can be achieved that connection position in the two junction on backing plate The lateral adjustments set;Several adjustment holes are equipped with, it can be achieved that connection position in the two junction on the latch plate and bracket base The lateral adjustments set.
Further, the collector tube holder is additionally provided with the first clip and the second clip on the top of standpipe, described First clip includes arc-shaped concave part, and second clip includes the arc-shaped portion that arches upward, the concave part and the portion that arches upward Between formed and can pass through and limit the region of thermal-collecting tube.
The present invention also provides a kind of purposes of above-mentioned groove type heat collector bracket in groove type heat collector.
As described above, groove type heat collector bracket provided by the present invention, four sides of transmission are replaced using triangle torque box Shape torque box and transmission tube increase overall stability, and reduce maximum stress, reduce material and cost of labor.It adopts The use of material can be effectively reduced with the design of glass support, the design of column, collector tube holder further increases entirety The stability of structure improves wind resistance, the external force resistance ability of groove type heat collector bracket.In short, groove type heat collector branch of the invention Frame is easy for installation, and stability height, light weight effectively reduce material cost and cost of labor.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of groove type heat collector bracket of the invention;
Fig. 2 is collector tube holder in Fig. 1, the structural schematic diagram after support frame connection;
Fig. 3 is the structural schematic diagram of triangle torque box;
Fig. 4 is the structural schematic diagram of glass support;
Fig. 5 is the structural schematic diagram of collector tube holder;
Fig. 6 is the side view of Fig. 5;
Fig. 7 is the structural schematic diagram of shaft assembly;
Fig. 8 is the structural schematic diagram of driving pillar stand;
Fig. 9 is the structural schematic diagram for driving column;
Figure 10 is that groove type heat collector bracket of the invention uses schematic diagram.
Component label instructions
1 collector tube holder, 2 shaft assembly
3 support frame, 4 driving pillar stand
5 driving 6 thermal-collecting tubes of column
7 reflecting mirrors
11 bracket base, 12 standpipe
13 transverse tube, 14 latch plate
15 first clip, 16 second clip
17 stiffening plate, 18 backing plate
21 axis pedestal, 22 upper casing
23 shaft body, 31 triangle torque box
32 glass support, 311 girder
312 curb girder, 313 diagonal brace
314 fixed plate, 321 crossbeam
322 supporting elements.
Specific embodiment
Illustrate embodiments of the present invention below by way of particular specific embodiment, those skilled in the art can be by this explanation Other advantages and efficacy of the present invention can be easily understood for content disclosed by book.The present invention can also be by addition different specific Embodiment is embodied or practiced, and the various details in this specification can also not carried on the back based on different viewpoints and application From carrying out various modifications or alterations under spirit of the invention.It should be noted that in the absence of conflict, following embodiment and reality The feature applied in example can be combined with each other.
Structure depicted in Figure of description, ratio, size etc., only to cooperate the revealed content of specification, with Understand for those skilled in the art and read, be not intended to limit the invention enforceable qualifications, therefore does not have technically Essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size can be generated not influencing the present invention Under effect and the purpose that can reach, should all still it fall in the range of disclosed technology contents can cover.Meanwhile Cited such as "upper", "lower", "front", "rear", " centre ", "left", "right" term, are merely convenient to describe in this specification Be illustrated, rather than to limit the scope of the invention, relativeness is altered or modified, and is changing technology without essence It inside holds, when being also considered as the enforceable scope of the present invention.
As shown in Figure 1, the present invention is a kind of groove type heat collector bracket, including column, support frame 3, collector tube holder 1;Institute It states support frame 3 and adjacent columns is connected by shaft assembly 2, reflecting mirror 7 is fixed on column by support frame 3;The thermal-collecting tube Bracket 1 is fixed on support frame 3;Wherein, support frame as described above 3 includes triangle torque box 31 and glass support 32;The triangle Shape torque box 31 includes girder 311, curb girder 312 and several diagonal braces 313, and the both ends of the girder 311 and curb girder 312 are solid respectively Several triangular structures are formed due to passing through several diagonal braces 313 between fixed plate 314, the girder 311 and curb girder 312, By forming stable triangular structure, increase the stability of triangle torque box 31, and then increase groove type heat collector bracket Stability.
In the embodiment of the present invention, as shown in figure 3, the triangle torque box 31 includes two curb girders 312 and a girder 311, different size of triangular structure, while curb girder are constituted by diagonal brace 313 respectively between girder 311 and two curb girders 312 312 directly constitute different size of triangular structure also by diagonal brace 313, and the end of girder 311 and curb girder 312 is separately connected Fixed plate 314, to form the torque box structure of high stability.In the present embodiment, the triangle torque box 31 is used Material be galvanized angle iron, connection type between diagonal brace 313 and girder 311 and curb girder 312 uses rivet, can be effective Mitigate weight, while saving later period surface treatment procedure, improves installation effectiveness again while reducing production cost.
Further, the column includes driving pillar stand 4 and driving column 5, the driving pillar stand 4 and driving column 5 it Between connected by support frame 3.In the present invention, connected between the driving pillar stand 4 and support frame 3 by shaft assembly 2, the driving It is connected between pillar 5 and support frame 3 by shaft assembly 2.Collector bracket in the present invention is used by single heat collection unit , in practical applications, groove type heat collector is multiple heat collection units connection composition, need to be by the driving of collector bracket of the invention Column 5 connects rotary reducer (the rotary reducer category prior art, be not described in detail here), thus by two heat collector branch Frame connection, as shown in Figure 10.
Further, in the embodiment of the present invention, as shown in figure 8, the driving pillar stand 4 is novel ground leg structure, by two A main supporting structure is built in " people " font, intermediate to be fixed cooperation with small support construction, it is composed being capable of carrying axle group The structure of part 2 and groove type heat collector bracket.As shown in figure 9, the driving column 5 is equally by main support and small support construction With what is be combined into, the structure of slot type collector bracket can be carried.It, can by the design of above-mentioned driving pillar stand 4 and driving column 5 Be entire groove type heat collector supporting structure it is more stable stand on ground, increase the monolithic stability of groove type heat collector bracket Property, improve wind resistance, the external force resistance ability of groove type heat collector bracket.
The shaft assembly 2 includes shell, the axle sleeve in shell and shaft body 23.Further, as shown in fig. 7, The shell includes axis pedestal 21 and upper casing 22, is more advantageous to the installation of shaft body 23;The axle sleeve includes Lower shaft sleeve and upper axis (not shown) is covered, 22 inside of axis pedestal 21 and upper casing is successively set on, the boss surfaces are equipped with several graphene points, The shaft body 23 is set to can be realized sliding inside axle sleeve;23 end of shaft body is equipped with flange.Specifically, the column with Axis pedestal 21 is fixedly connected, and the fixed plate 314 of the triangle torque box 31 is fixedly connected with the flange of 23 end of shaft body.
Further, as shown in Figure 2, Figure 4 shows, the glass support 32 includes two groups, is symmetrically arranged at triangle torsion 31 two sides of square box.The glass support 32 includes two crossbeams 321 and several supporting elements 322,322 connecting cross beam of supporting element 321 with triangle torque box 31, and several triangular structures are formed between supporting element 322.In embodiments of the present invention, 5 Supporting element 322 constitutes the support assembly (partial enlarged view in such as Fig. 2, Fig. 4) of a triangular structure, is separately connected two A crossbeam 321 and triangle torque box 31.And in the present invention, two crossbeams 321 only need 5 support assemblies i.e. sustainable, And support 5 pieces of reflecting mirrors 7 (as shown in Figure 10).Two groups of glass supports 32 are located at 31 two sides of triangle torque box altogether using 10 A support assembly supports 4 crossbeams 321 respectively, and finally supports 10 pieces of reflecting mirrors 7, i.e. average 1 triangular structure It supports assembly to can support 1 piece of reflecting mirror 7, supports 10 pieces of reflecting mirrors 7 using 20 support assemblies compared to the prior art, The present invention effectively reduces raw material usage, reduces costs.Meanwhile in the present invention, glass support 32 passes through rivet and triangle Shape torque box 31 is riveted, and installation effectiveness is improved.
As shown in Figure 5, Figure 6, the collector tube holder 1 includes bracket base 11, standpipe 12, the transverse tube for connecting standpipe 12 13 and latch plate 14.12 upper end of standpipe is connected by transverse tube 13, and lower end is equipped with backing plate 18.14 upper end of latch plate with Backing plate 18 connects, and lower end is connect with bracket base 11.Further, the latch plate 14 with it is equal in the two junction on backing plate 18 Equipped with several adjustment holes, it can be achieved that the lateral adjustments of link position;Similarly, the latch plate 14 on bracket base 11 The two junction be equipped with several adjustment holes, it can be achieved that link position lateral adjustments.In the present invention, by selecting different tune Knothole is fixedly connected, and can be adjusted to position is fixed between latch plate 14 and bracket base 11, backing plate 18, and then is realized Lateral adjustments finally can be achieved in different fixation positions.Further, to increase stability, 11 lower end of bracket base is also Equipped with stiffening plate 17, the stiffening plate 17 is preferably the plate structure of triangle, can be stably fixed to triangle torque box On 31 girder 311.
In the present invention, the collector tube holder 1 is additionally provided with the first clip 15, first clip 15 on the top of standpipe 12 It is connected with the second clip 16.First clip 15 includes arc-shaped concave part, and second clip 16 includes arc-shaped arch The portion of rising forms the region that can pass through and limit thermal-collecting tube 6, by adjusting 15 He of the first clip between the concave part and the portion that arches upward Elasticity between second clip 16 can guarantee that thermal-collecting tube 6 expands with heat and contract with cold caused freedom degree.
Several reinforcing rib pipes are additionally provided between the standpipe 12 of the collector tube holder 1, the reinforcing rib pipe connects two standpipes 12 and several triangular structures are formed, to increase stability.It, can by the design to collector tube holder 1 in the present invention Guaranteeing the straightness of thermal-collecting tube 6, alleviation releases under different temperatures environment, and thermal-collecting tube 6 expands with heat and contract with cold brought swell increment, It ensure that stable operation of the thermal-collecting tube 6 under varying environment operating condition.
Using groove type heat collector bracket of the invention, wherein triangle torque box 31 uses Zinc-coated angle steel material, by girder 311 and curb girder 312 and several diagonal braces 313 form, in the embodiment of the present invention, 313 quantity of diagonal brace is 33, composed three Angular 31 weight of torque box is 97.66kg, maximum stress 70.933MPa.And traditional quadrangle torque box quality is 192.782kg, maximum stress 90.624MPa, transmission tube quality are 261.338, maximum stress 104.95MPa.Thus may be used See, triangle torque box 31 employed in the present invention significantly subtracts compared to traditional quadrangle torque box and transmission tube quality It is few, the cost of raw material is effectively reduced, and maximum stress also reduces, so that the performance of groove type heat collector bracket significantly mentions It rises.Zinc-coated angle steel material is used in the present invention simultaneously, quality is lighter.Connection type mostly uses rivet mode, not only improves Installation effectiveness, and it is more convenient, environmentally friendly.
In conclusion groove type heat collector bracket of the present invention, improves the deficiency of conventional stent designs, reduces overall structure Material production cost and cost of labor, improve installation effectiveness, and overall structure is more stable, more tend to perfect.So The present invention overcomes some practical problems in the prior art effectively to have very high utility value and use meaning.
The principle of the present invention and its effect is only illustrated in above embodiment, and is not intended to limit the present invention.This hair It is bright to be improved under the premise of without prejudice to overall thought there are many more aspect, it all can be for those skilled in the art Without prejudice under spirit and scope of the invention, can carry out modifications and changes to above-described embodiment.Therefore, technical field such as Middle all equivalent modifications for being completed without departing from the spirit and technical ideas disclosed in the present invention of tool usually intellectual or Change, should be covered by the claims of the present invention.

Claims (10)

1. a kind of groove type heat collector bracket, which is characterized in that including column, support frame, collector tube holder;Support frame as described above passes through Shaft assembly connects adjacent columns, and reflecting mirror is fixed on column by support frame;The collector tube holder is fixed on support frame On;Wherein, support frame as described above includes triangle torque box and glass support;
The triangle torque box includes girder, curb girder and several diagonal braces, and the both ends of the girder and curb girder are individually fixed in Fixed plate forms several triangular structures by several diagonal braces between the girder and curb girder.
2. groove type heat collector bracket according to claim 1, which is characterized in that the column includes driving pillar stand and driving Column is connected between the driving pillar stand and driving column by support frame.
3. groove type heat collector bracket according to claim 1, which is characterized in that outside the shaft assembly includes shell, is set to Axle sleeve and shaft body in shell.
4. groove type heat collector bracket according to claim 3, which is characterized in that the shell includes axis pedestal and upper casing, The axle sleeve includes Lower shaft sleeve and Upper shaft sleeve, is successively set in axis pedestal and upper casing.
5. groove type heat collector bracket according to claim 1, which is characterized in that the glass support includes crossbeam and several Supporting element, the supporting element connecting cross beam and triangle torque box, and several triangular structures are formed between supporting element.
6. groove type heat collector bracket according to claim 1, which is characterized in that the collector tube holder includes bracket bottom Seat, standpipe, the transverse tube and latch plate for connecting standpipe.
7. groove type heat collector bracket according to claim 6, which is characterized in that the bottom of vertical is connected with backing plate, described Latch plate upper end is connect with backing plate, and lower end is connect with bracket base.
8. groove type heat collector bracket according to claim 7, which is characterized in that connect on the latch plate and backing plate in the two The place of connecing be equipped with several adjustment holes, it can be achieved that link position lateral adjustments;Connect on the latch plate and bracket base in the two The place of connecing be equipped with several adjustment holes, it can be achieved that link position lateral adjustments.
9. groove type heat collector bracket according to claim 6, which is characterized in that the collector tube holder is in standpipe Top is additionally provided with the first clip and the second clip, and first clip includes arc-shaped concave part, and second clip includes The arc-shaped portion that arches upward forms the region that can pass through and limit thermal-collecting tube between the concave part and the portion that arches upward.
10. purposes of any one of claim 1 to the 9 groove type heat collector bracket in groove type heat collector.
CN201811013720.6A 2018-08-31 2018-08-31 Trough type heat collector bracket and application thereof Active CN109186107B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811013720.6A CN109186107B (en) 2018-08-31 2018-08-31 Trough type heat collector bracket and application thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811013720.6A CN109186107B (en) 2018-08-31 2018-08-31 Trough type heat collector bracket and application thereof

Publications (2)

Publication Number Publication Date
CN109186107A true CN109186107A (en) 2019-01-11
CN109186107B CN109186107B (en) 2024-09-13

Family

ID=64917345

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811013720.6A Active CN109186107B (en) 2018-08-31 2018-08-31 Trough type heat collector bracket and application thereof

Country Status (1)

Country Link
CN (1) CN109186107B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115682444A (en) * 2022-11-04 2023-02-03 河北珠峰仪器仪表设备有限公司 Double-shaft groove type solar heat collector wind-resistant frame with high strength and accurate and rapid installation

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203672592U (en) * 2013-12-06 2014-06-25 成都博昱新能源有限公司 Novel groove-type solar heat-collection effect testing mechanism
CN105135720A (en) * 2015-09-14 2015-12-09 兰宝胜 Supporting frame for reflecting mirror of tower-type photo-thermal power station
WO2016000437A1 (en) * 2014-06-30 2016-01-07 赵小峰 Frame and solar heat collector having same
CN205191950U (en) * 2015-12-02 2016-04-27 北京天瑞星光热技术有限公司 Slot type solar heat collector
CN205843104U (en) * 2016-07-27 2016-12-28 山东中信能源联合装备股份有限公司 Light trough type solar thermal collector
WO2018121778A1 (en) * 2016-12-30 2018-07-05 江苏中信博新能源科技股份有限公司 Photovoltaic array support system
CN208887139U (en) * 2018-08-31 2019-05-21 山东奇威特太阳能科技有限公司 Groove type heat collector bracket

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203672592U (en) * 2013-12-06 2014-06-25 成都博昱新能源有限公司 Novel groove-type solar heat-collection effect testing mechanism
WO2016000437A1 (en) * 2014-06-30 2016-01-07 赵小峰 Frame and solar heat collector having same
CN105135720A (en) * 2015-09-14 2015-12-09 兰宝胜 Supporting frame for reflecting mirror of tower-type photo-thermal power station
CN205191950U (en) * 2015-12-02 2016-04-27 北京天瑞星光热技术有限公司 Slot type solar heat collector
CN205843104U (en) * 2016-07-27 2016-12-28 山东中信能源联合装备股份有限公司 Light trough type solar thermal collector
WO2018121778A1 (en) * 2016-12-30 2018-07-05 江苏中信博新能源科技股份有限公司 Photovoltaic array support system
CN208887139U (en) * 2018-08-31 2019-05-21 山东奇威特太阳能科技有限公司 Groove type heat collector bracket

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115682444A (en) * 2022-11-04 2023-02-03 河北珠峰仪器仪表设备有限公司 Double-shaft groove type solar heat collector wind-resistant frame with high strength and accurate and rapid installation

Also Published As

Publication number Publication date
CN109186107B (en) 2024-09-13

Similar Documents

Publication Publication Date Title
CN208887139U (en) Groove type heat collector bracket
CN109186107A (en) Groove type heat collector bracket and application thereof
CN220081940U (en) Trapezoid purline guide rail
CN113075781A (en) Large-area heliostat supporting structure
CN110677104B (en) Angle-adjustable support and photovoltaic device
CN207247592U (en) A kind of heliostat for tower type solar energy thermal power generation factory
CN102589179B (en) Heliostat lens support
CN201391023Y (en) Flexion restraining support for articulating dual channel steel
CN205369053U (en) Large -span steel longeron top pushes away uses steel nose girder
CN209345065U (en) Bracket and photovoltaic system
CN2839466Y (en) Improved whole bending welding type vehicle-containing
US20220275971A1 (en) Parabolic trough collector module, parabolic trough collector module unit, and solar thermal power plant
CN207124588U (en) A kind of novel high-strength high temperature resistant solar energy aluminum frame
CN209163220U (en) Slag storehouse column
CN220080506U (en) Steel construction roof beam
CN217763946U (en) Omnidirectional solar heat collector
CN207348314U (en) A kind of length-adjustable steel structure girder
CN215026064U (en) Novel film evaporator convenient to fix
CN207181791U (en) A kind of reflecting optics support frame
CN207904766U (en) A kind of prestressing force triangle hanging basket of light weight high bearing capacity
CN213267475U (en) Three-row double-layer D-shaped bridge structure
CN214364412U (en) Triangular space pipe truss structure
CN209642590U (en) A kind of double shared support of solar energy photovoltaic panel
CN217690450U (en) Billboard truss
CN221293944U (en) Bearing reinforcing structure of chassis of baby carrier

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant