CN208486376U - The C-shaped purlin connecting component apparatus of distributed photovoltaic roofing - Google Patents

The C-shaped purlin connecting component apparatus of distributed photovoltaic roofing Download PDF

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Publication number
CN208486376U
CN208486376U CN201820469587.4U CN201820469587U CN208486376U CN 208486376 U CN208486376 U CN 208486376U CN 201820469587 U CN201820469587 U CN 201820469587U CN 208486376 U CN208486376 U CN 208486376U
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China
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purlin
inner sleeve
sleeve connector
connector
distributed photovoltaic
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CN201820469587.4U
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陈磊
黄坤耀
叶伟平
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Yanggu engineering construction (Shanghai) Co.,Ltd.
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Central Engineering Technology (shanghai) Co Ltd
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Abstract

The utility model discloses a kind of C-shaped purlin connecting component apparatus of distributed photovoltaic roofing, and including being fixed on the steel roof joist on roof and the purlin being connected on steel roof joist, two adjacent purlins of end are fixedly connected as rigid one-piece member using inner sleeve connector.Two adjacent purlins of end are fixedly connected as rigid component using inner sleeve connector by the utility model, to which discrete more purlins are changed as integrated continuous beam, improve purlin composite structure state, greatly improve load intensity, and materials save, recruitment is few and at low cost, for installing distributed photovoltaic power generation equipment roof reinforcement structure.

Description

The C-shaped purlin connecting component apparatus of distributed photovoltaic roofing
Technical field
The utility model belongs to technical field of photovoltaic power generation, and in particular to a kind of room for installing distributed photovoltaic power generation equipment Roof construction is reinforced.
Background technique
Roof distributed photovoltaic power generation achieved fast development in recent years.Distributed photovoltaic needs a large amount of illumination ground Resource, and make full use of existing building roofing, not only saves land, but also is that dispersion is obtained, consumed on the spot to the utilization of solar energy, can It saves high-voltage transmission and becomes distribution cost.
The fabricating yard of distributed photovoltaic.There are vacant lot, building roof, highway or railway in currently used fabricating yard Other and such as other occasions of beach.In these types of fabricating yard type, building roof accounting is maximum, and has the advantage that
Electric energy as described above can be saved the investment of the facilities such as high-voltage transmission power transformation, be avoided the transmission of electric energy with local use Loss improves utilization efficiency;Especially without occupying this limited land resource;It is easy to maintain.
It should be pointed out that existing building roofing does not all consider to install the load of photovoltaic substantially, it is however generally that, it is existing The bearing capacity of roofing is the load for being not enough to increase installation photovoltaic equipment.Existing building roofing has following a few types Type:
Routine building roofing, such as house, office, hotel's civil buildings, these types building total amount is bigger, but monomer Roofing area is smaller, also puts water tank or heating and ventilating equipment sometimes, and large scale array installation has difficulties.Industrial building, logistics Building roof, the type building concentration roofing is bigger, area up to 10,000 square meters more than, and often more building side by side, ten Divide and be conducive to large-scale Photovoltaic array installation, and these build general peripheries spaciousness, thus light application time can guarantee, because This type roofing is the object of current focus development.Industrial premises, logistics construction roofing are substantially lightweight steel construction form, are Save construction cost, intrinsic allowable bearing is had more than needed very little, generally required before photovoltaic apparatus is installed to roof structure into Row is reinforced.
The utility model project emphasis is directed to and has a large capacity and a wide range, installs the high workshop of photovoltaic efficiency and logistics construction roofing.It should The workshop of type building uses lightweight steel construction substantially.Lightweight metal plant is mainly by steelframe, purlin, Roof system, wall system And support system composition.
The prior art is before light-steel roofing installs distributed solar energy photovoltaic, although also being reinforced to light steel roof, There are many places not fully up to expectations for its Scheme of Strengthening.
For example, conventional Roof system Scheme of Strengthening is to encrypt purlin.The reinforcement means is in original light-steel roofing It inserts a purlin between every two adjacent purlin to be encrypted, in this way, which roofing carrying is reinforced significantly, but it uses material cost Greatly, and substantially gross area is needed to construct, thus the influence to production is bigger;Scene needs newly-increased purlin support, and the room and Panel connection needs to install tapping screw, and installation cost greatly improves.
In another example the patent No. 201720255162.9, the patent of entitled steel building and its purlin reinforcement system, Technical solution is several support reinforcing members of burn-oning between original spaced purlin, by adjacent purlin it is transversely attached plus Gu.There is same deficiency in this scheme and above-mentioned purlin scheme of inserting.
For another example light is arranged in patent No. 201621187568.X, a kind of entitled patent of photovoltaic module reinforced liner Modular support inclined-plane is lied prostrate, brace is installed on the cant beam of cradle back, the side of strut member and drag link is installed between purlin Formula.It briefly is exactly the brace that several right-angled intersections are laid between purlin group.Although this technical solution has it positive Meaning, but similarly there is the shortcoming of other schemes above-mentioned, and brace is placed on purlin by this scheme, shadow The installation foundation for ringing photovoltaic apparatus is smooth.
C-type purlin connection for the prior art, more it is essential that be between its two purlin being connected to each other disconnect and Discrete, every purlin is freely-supported force modes, and span centre is by bending resistance carrying that is curved the most unfavorable, and can not utilizing support position Ability.
Summary of the invention
The utility model technical issues that need to address are to overcome existing light-steel roofing installation distributed solar energy photovoltaic institute The existing material of reinforcement technique scheme of progress is more, load weight, time-consuming for processing and installation, at high cost and bearing capacity enhances width Spend low defect, provide a kind of change purlin composite structure state, greatly improve bearing capacity, materials save, the few roof of recruitment Reinforcement structure.
Solving installation photovoltaic apparatus is purlin reinforcing to the emphasis of light-steel roofing safety problem, and in Practical Project, light steel Roofing application c-type purlin accounts for major part.But the c-type purlin of the prior art is substantially articulated connection at support, therefore this reality Continuous beam is made with novel improved.
The purpose of this utility model is achieved by following technical proposals:
A kind of C-shaped purlin connecting component apparatus of distributed photovoltaic roofing, characterized in that in two adjacent purlins of end utilize Set connector is fixedly connected as rigid one-piece member.
Two adjacent purlins of end are fixedly connected as rigid one-piece member using inner sleeve connector by the utility model, Discrete more purlins are changed as integrated continuous beam.
When analyzing the mounting characteristic of original common purlin, it can be regarded as simply supported beam, under evenly load q effect, across Degree is | simply supported beam, mid span moment M0=q |2/ 8 be maximum.And discrete more purlins are changed as one by the utility model After the continuous beam of body, former pivoting support can be changed into continuous beam support, i.e., multispan simply supported beam be become into continuous beam on many supports, then it is curved The change of essence can occur for square figure, can be substantially reduced worst moment-curvature relationship.Become continuous to greatly improve The anti-bending bearing capacity of purlin after beam.Purlin shearing strength is always enough, so answer emphasis consideration is the middle part maximum of beam Moment, nowadays according to the utility model, which can be obtained satisfactory solution.
Preferred embodiment, the cross sectional shape of inner sleeve connector are adapted with the profile cross sectional shape of purlin.
Preferred embodiment, the cross sectional shape of the inner sleeve connector are I font compatible with c-type purlin cross sectional shape or C Character form structure, inner sleeve connector fit snugly on the inside of purlin, and using being bolted, and connect adjacent two purlins and inner sleeve Fitting is fixedly connected as rigid integral structure.
Preferred embodiment, the cross sectional shape of the inner sleeve connector are structure compatible with c-type purlin cross sectional shape, including Mainboard is equipped with ribs with the perpendicular position of mainboard, and mainboard and ribs constitute π font structure or T font structure, π font The inner sleeve connector of structure or T font structure fits snugly on the inside of purlin, and using being bolted, makes two adjacent purlins It is connected with the inner sleeve part and is fixedly connected as rigid integral structure.
Preferred embodiment, inner sleeve connector are provided with the structure that the fastener being equipped with first wife on purlin mutually avoids.
Preferred embodiment, the inner sleeve connector of C character form structure by trapezoidal wave shape web and be respectively welded and be connected to web Two pieces of edges of a wing of both side ends collectively form, and the trough of the trapezoidal wave is corresponding with the fastener that first wife on purlin is equipped with.
The global shape of the weldment is the channel steel of waveform such as bottom, since bottom is waveform configuration, can either make wave The trough of shape structure achievees the effect that mutually to avoid against the fastener that first wife on purlin is equipped with, and wave crest can then be close to purlin With benefit connection, and it can be improved whole bending strength.
Preferred embodiment is lined with backing plate between the web and C-shaped purlin of inner sleeve connector.
Backing plate is added, so that in the end of the existing connection bolt being arranged on purlin will not interfere originally in assembly It covers connector and purlin is fitted close.This is another avoiding structure.
It is same amount of logical to be provided with that the fastener being equipped with first wife on purlin mutually avoids for preferred embodiment, inner sleeve connector Hole.This is another avoiding structure.
Preferred embodiment, the transverse height of inner sleeve connector include Tong Gao or non-through height.
Definition, the transverse height and purlin inside height of inner sleeve connector are consistent to be known as logical height;The cross of inner sleeve connector It is less than the referred to as non-through height of purlin inside height to height.
High part is led in the selection of inner sleeve connector keeps its intensity as large as possible;Non-through high part is selected to be less than it high on the inside of purlin Degree, in order to assemble indentation.
Inner sleeve connector is respectively added several pieces of bolts with purlin and given by preferred embodiment close to adjacent purlin joint To reinforce connection.
A kind of construction method of the c-type purlin connecting component apparatus of distributed photovoltaic roofing, characterized in that inner sleeve connector dress It is comprised the following steps with technique:
(1), inner sleeve connector is made by Technology design requirement, notices that the avoiding structure of inner sleeve connector must be with original on purlin Some fastener locations are corresponding;Specifically, a), according to drawing and site dimension accessory blanking is carried out;B), steel plate is processed, such as Connecting hole or evacuation hole drilling, corrugated web are by evacuation position bending;C), connector assembly welding, web and the edge of a wing pass through weldering It connects in succession or backing plate is welded with web;D), connector corrects;E), preservative treatment;
(2), the burr of purlin inner surface is removed;
(3), inner sleeve connector is injected from the adjacent end of adjacent purlin, inner sleeve connector is inserted into adjacent two purlin end Length respectively accounts for the half of inner sleeve connector overall length;
(4), at least two bolt mounting holes, spiral shell are processed in the location site of the end suitable distance apart from inner sleeve connector The position of bolt mounting hole is symmetrical relative to the neutral surface of purlin and inner sleeve connector;
(5), close to adjacent purlin joint, inner sleeve connector is respectively added into several pieces of screws with purlin and is reinforced Connection.
The beneficial effects of the utility model are:
1, more discrete purlins are integrated into integrated continuous beam using inner sleeve connector, greatly improve continuous beam Bending strength;
2, the scheme that angle steel is reinforced or added below purlin compared with the encryption of the prior art, is most saved with material, at low cost and effect Fruit is good.
3, the required construction working face in scene is small while province with material, thus the influence very little to factory's normal operation.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of embodiment of the utility model;
Fig. 2 is the moment of flexure schematic diagram when purlin of the prior art is considered as simply supported beam under evenly load q effect;
Fig. 3 is moment of flexure schematic diagram when purlin is considered as continuous beam under evenly load q effect;
Fig. 4 is the schematic diagram that inner sleeve connecting rod section is c character form structure;
Fig. 5 is the inner sleeve connecting rod of π font structure and the schematic diagram of c-type purlin cooperation;
Fig. 5-1 is T-type inner sleeve connecting-piece structure schematic diagram;
Fig. 5-2 is I font inner sleeve connecting-piece structure schematic diagram;
Fig. 5-3 is C font inner sleeve connecting-piece structure schematic diagram;
Fig. 6 is the purlin of the prior art and the stereoscopic schematic diagram that steel roof joist is connect, and shows original purlin supporting plate in figure;
Fig. 7 is existing factory's light-steel roofing structural reference schematic diagram;
Fig. 8 is the web by trapezoidal wave shape and the C character form structure that two pieces of edges of a wing in web both side ends collectively form Inner sleeve connector schematic diagram;
Fig. 9 is the A-A schematic cross-sectional view of Fig. 8;
Figure 10 is the schematic diagram that backing plate is lined between the web of inner sleeve connector and C-shaped purlin;
Figure 11 is the B-B schematic cross-sectional view of Figure 10;
Figure 12 is a kind of structural schematic diagram of inner sleeve connector.
In figure, steel roof joist 1;Purlin 2;Simply supported beam 21;C-type purlin 22;Hinged relationship symbol 23;Purlin supporting plate 24;Inner sleeve Connector 3;Web 31;The edge of a wing 32;Trough 33;Wave crest 34;Backing plate 35;Through-hole 36;Continuous beam 6;π font structure 7;Mainboard 71; Ribs 72;Bolt 73;Maximum bending moment M0;Moment M1;Moment M2;Moment M3;Light-steel roofing 9.
Specific embodiment
Elaborate with reference to the accompanying drawing to the embodiments of the present invention: the present embodiment is with the utility model technology Implemented under premised on scheme, the detailed implementation method and specific operation process are given, but the protection of the utility model Range is not limited to the following embodiments.
Embodiment 1: as shown in Fig. 1, a kind of roof reinforcement structure for installing distributed photovoltaic power generation equipment, including fixation Steel roof joist 1 on roof and the purlin 2 that is connected on steel roof joist 1, two adjacent purlins 2 of end utilize inner sleeve connector 3 It is fixedly connected as rigid one-piece member, specifically inner sleeve connector 3 is more snugly fit inside 2 inside of purlin, and utilizes Inner sleeve connector 3 is fixedly connected by bolt with purlin 2, and two adjacent purlins 2 is made to be fixedly connected as rigid integral structure.
Two adjacent purlins 2 of end are fixedly connected as rigid integral type structure using inner sleeve connector 3 by the utility model Discrete more purlins are integrated into integrated continuous beam 6 by part.
The mounting characteristic of common purlin can be regarded as simply supported beam 21 according to prior art, under evenly load q effect, Span is | simply supported beam 21, mid span moment M0=q |2/ 8 be maximum.It referring to fig. 2, will be between two purlin ends in Fig. 2 Hinged relationship symbol 23 is shown.
After discrete more purlins are changed as integrated continuous beam 6 by the utility model, former pivoting support can be changed For continuous beam support, i.e., multispan simply supported beam is become into continuous beam on many supports, then the change of essence can occur for bending moment diagram, can be significant Ground reduces least favorable moment-curvature relationship.To significantly improve the bending strength of the purlin after becoming continuous beam 6.Referring to Fig. 3, M1, M2, M3 in Fig. 3 indicate different moments.
The emphasis of 9 safety problem of light-steel roofing is that purlin is reinforced after solution installation photovoltaic apparatus.Specifically, Practical Project Middle c-type purlin 22 accounts for major part, and investigation statistics are the results show that and actual effect most using the roof of c-type purlin 22 is best. The present embodiment designs inner sleeve connector 3 for c-type purlin 22, is characterized in the cross sectional shape and original purlin 2 of inner sleeve connector 3 The shape in C font section is adapted, each position nominal size interior table all with original purlin 2 of the inner sleeve connector 3 in outer surface The nominal size of face corresponding position is identical and chooses fit tolerance requirement appropriate to inner sleeve connector 3, can be suitable when to install Inside benefit indentation purlin 2.Referring to fig. 4.
The steel using amount of the utility model is converted to roofing area, then is only 1~1.5kg/m2 with steel, is much smaller than routine side 5~8kg/m that case needs2
The utility model can greatly improve bearing capacity, and increase rate is generally capable of up to 40% or more, thus It can satisfy the safety specifications that load improves 20%, material saving, saving working hour, high benefit.
Embodiment 2: the cross sectional shape of inner sleeve connector 3 is structure compatible with purlin cross sectional shape, including mainboard 71, Ribs 72 is equipped with the perpendicular position of mainboard 71, and mainboard 71 and ribs 72 constitute π font structure 7, in π font structure 7 Set connector fits snugly in the inside of purlin 2, and two adjacent purlins are fixedly connected as rigid one by bolt 73 Body structure.Remaining structure is with embodiment 1, referring to attached drawing 5.
Embodiment 3: the cross sectional shape of inner sleeve connector 3 is structure compatible with purlin cross sectional shape, including mainboard 71, Be equipped with ribs 72 with the perpendicular position of mainboard 71, mainboard 71 and ribs 72 constitute T font structure, T font structure it is interior Set connector fits snugly on the inside of purlin, and two adjacent purlins are fixedly connected as rigid one by bolt and are tied Structure.Remaining structure is the same as embodiment 1 or embodiment 2.Referring to Fig. 5-1.
Embodiment 4: the cross sectional shape of inner sleeve connector 3 be I character form structure (referring to Fig. 5-2) or C character form structure (referring to Fig. 5-3).
The inner sleeve connector of embodiment 5:C character form structure is provided with the knot that the fastener being equipped with first wife on purlin mutually avoids Structure.The inner sleeve connector of C character form structure by trapezoidal wave shape web 31 and be respectively welded and be connected to the two of web both side ends The block edge of a wing 32 collectively forms.
The global shape of the weldment is the channel steel of waveform such as bottom, since bottom is waveform configuration, can either make wave The trough 33 of shape structure achievees the effect that mutually to avoid against the fastener that first wife on purlin is equipped with, and wave crest 34 can be then close to Purlin can be improved whole bending strength with benefit connection.The organization plan is best suited for the C-shaped inner sleeve connection of small dimension Part.Remaining structure is the same as embodiment 1.Referring to Fig. 8, Fig. 9.
The manufacture craft of weldment, trapezoidal wave and the welding edge of a wing 32 including suppressing web 31.The peak valley height of trapezoidal wave Greater than the height of fastener end exposed parts existing on purlin, and lengthwise position and fastener locations are corresponding.
Embodiment 5: backing plate 35 is lined between the web and C-shaped purlin of inner sleeve connector.
Backing plate 35 is added, so that the end of the existing connection bolt being arranged on purlin will not interfere originally in assembly The cooperation of inner sleeve connector.Remaining structure is the same as embodiment 1.Referring to Figure 10, Figure 11.
Embodiment 6: it is same amount of logical to be provided with that the fastener being equipped with first wife on purlin mutually avoids for inner sleeve connector Hole 36.Remaining structure is the same as embodiment 1.Referring to Figure 12.
A kind of embodiment 7: construction method of the C-shaped purlin connecting component apparatus of distributed photovoltaic roofing, characterized in that inner sleeve Connector assembly technology comprises the following steps:
(1), inner sleeve connector is made by Technology design requirement, notices that the avoiding structure of inner sleeve connector must be with original on purlin Some fastener locations are corresponding;Specifically, a), according to drawing and site dimension accessory blanking is carried out;B), steel plate is processed, such as Connecting hole or evacuation hole drilling, corrugated web are by evacuation position bending;C), connector assembly welding, web and the edge of a wing pass through weldering It connects in succession or backing plate is welded with web;D), connector corrects;E), preservative treatment.
(2), the burr of purlin inner surface is removed;
(3), inner sleeve connector is injected from the adjacent end of adjacent purlin, inner sleeve connector is inserted into adjacent two purlin end Length respectively accounts for the half of inner sleeve connector overall length;
(4), at least two bolt mounting holes, spiral shell are processed in the location site of the end suitable distance apart from inner sleeve connector The position of bolt mounting hole is symmetrical relative to the neutral surface of purlin and inner sleeve connector;
(5), close to adjacent purlin joint, inner sleeve connector is respectively added into several pieces of screws with purlin and is reinforced Connection.
Fig. 6 is the purlin of the prior art and the stereoscopic schematic diagram that steel roof joist is connect, and shows original connector purlin in figure Supporting plate 24.
Fig. 7 is existing factory's light-steel roofing structural reference schematic diagram.
The C-shaped purlin connecting component apparatus and its construction method of the utility model distributed photovoltaic roofing, original purlin is changed Become continuous beam, strength enhancing coefficient is big, and improves Bending moment distribution situation, reduce Maximum bending moment, and have handling ease, The few and at low cost advantage of recruitment.It should be understood by those skilled in the art that the present utility model is not limited to the above embodiments, The description of the embodiments and the specification only illustrate the principle of the present utility model, is not departing from the spirit of the present invention and model Under the premise of enclosing, the utility model also has various changes and improvements, these changes and improvements both fall within claimed reality With in novel range.The protection scope of the present invention is defined by the appended claims and their equivalents.

Claims (2)

1. a kind of C-shaped purlin connecting component apparatus of distributed photovoltaic roofing, characterized in that two adjacent purlins of end utilize inner sleeve Connector is fixedly connected as rigid one-piece member, and the cross sectional shape of inner sleeve connector is mutually fitted with the profile cross sectional shape of purlin Match, inner sleeve connector is provided with the structure that the fastener being equipped with first wife on purlin mutually avoids, the web and C-shaped of inner sleeve connector Backing plate is lined between purlin;Or inner sleeve connector be provided with the fastener being equipped with first wife on purlin mutually avoid it is same amount of Through-hole, the transverse height of inner sleeve connector includes Tong Gao or non-through height, in close adjacent purlin joint, by inner sleeve connector Several pieces of bolts are respectively added with purlin being reinforced and connect, the cross sectional shape of the inner sleeve connector is and c-type purlin section shape The compatible structure of shape, including mainboard are equipped with ribs with the perpendicular position of mainboard, and mainboard and ribs constitute π font knot The inner sleeve connector of structure or T font structure, π font structure or T font structure fits snugly on the inside of purlin, and is connected using bolt It connects, so that two adjacent purlins is connected with the inner sleeve part and be fixedly connected as rigid integral structure.
2. the C-shaped purlin connecting component apparatus of distributed photovoltaic roofing according to claim 1, characterized in that C character form structure Inner sleeve connector collectively formed by two pieces of edges of a wing that the web and being respectively welded of trapezoidal wave shape is connected to web both side ends, The trough of the trapezoidal wave is corresponding with the fastener that first wife on purlin is equipped with.
CN201820469587.4U 2018-04-04 2018-04-04 The C-shaped purlin connecting component apparatus of distributed photovoltaic roofing Active CN208486376U (en)

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Application Number Priority Date Filing Date Title
CN201820469587.4U CN208486376U (en) 2018-04-04 2018-04-04 The C-shaped purlin connecting component apparatus of distributed photovoltaic roofing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820469587.4U CN208486376U (en) 2018-04-04 2018-04-04 The C-shaped purlin connecting component apparatus of distributed photovoltaic roofing

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Publication Number Publication Date
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Effective date of registration: 20220112

Address after: 200000 Room 403, 4th floor, building 1, 3279 Sanlu highway, Minhang District, Shanghai (5 / 5 hill, block 481, Pujiang town)

Patentee after: Yanggu engineering construction (Shanghai) Co.,Ltd.

Address before: 200137 room 417, building 5, No. 2577, Haixu Road, Pudong New Area, Shanghai

Patentee before: YANGGU ENGINEERING TECHNOLOGY (SHANGHAI) Co.,Ltd.