CN103882989A - Embedment part in bottom of fair-faced concrete slab - Google Patents
Embedment part in bottom of fair-faced concrete slab Download PDFInfo
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- CN103882989A CN103882989A CN201410105239.5A CN201410105239A CN103882989A CN 103882989 A CN103882989 A CN 103882989A CN 201410105239 A CN201410105239 A CN 201410105239A CN 103882989 A CN103882989 A CN 103882989A
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- vertical rod
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- support bar
- link
- water concrete
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Abstract
The invention discloses an embedment part in the bottom of a fair-faced concrete slab. The embedment part is used for fixing a hanging article with an externally-connected connecting rod, and comprises a vertical rod and supporting rods, wherein the vertical rod is supported by the supporting rods so that the vertical rod can be stably and fixedly arranged in fair-faced concrete; due to the fact that threads are formed in the externally-connected connecting rod of the hanging article, the vertical rod and the externally-connected connecting rod are fixed in a screw-thread fit mode, and the connection mode is simple; in addition, after formwork disassembly of the fair-faced concrete is accomplished, the contact area between the foot point of the vertical rod and the fair-faced concrete is small, the contact area between the foot points of the supporting rods and the fair-faced concrete is small, the foot points can be covered with the original color of the fair-faced concrete, it is ensured that the surface of the fair-faced concrete is smooth and the fair-faced concrete is consistent in gloss, and attractiveness of the fair-faced concrete is improved.
Description
Technical field
The present invention relates to civil engineering technical field, refer in particular to embedded part at the bottom of a kind of clear-water concrete plate.
Background technology
In the last few years along with the objective demand of green building, the Piao that improves constantly and return of people's environmental consciousness returns being rooted in the hearts of the people of genuine natural thought, the demand of clear-water concrete engineering is no longer confined to road, bridge and airport, starts to be applied in civilian and industrial construction.
There is more floorslab embedded part (as furred ceiling, hanger etc.) due in civilian, industrial construction, easily cause the obvious aberration between embedded part steel plate and clear-water concrete true qualities and the technical gaps of local evagination after form removal, cause planeness and aesthetic problem at the bottom of clear-water concrete plate, affect clear-water concrete range of application.Especially more outstanding in this kind of problem of terrace floor plate.
In clear-water concrete engineering construction, need at present to avoid the appearance of embedded part at the bottom of plate as far as possible, in the time cannot avoiding, conventional embedded part is the common practice of " common galvanized steel strip dowel ", it provides vertical and horizontal resist forces by dowel, exposed after form removal by the galvanized steel plain sheet being arranged at the bottom of plate, adopt the mode of Site Welding connector to be connected with bottom connecting rod.It has following deficiency: 1. zinc coat can affect welding quality, needs manual removal welding position zinc layer, adopts the mode of cold spray zinc or artificial coating after welding, affects the outside perception of finished product.2. steel plate is easily trampled displacement in construction; 3. Site Welding must adopt overhead welding, poor welding quality, and it is unstable that thing is hung in suspension.
Another kind of mode is " cancelling embedded part method ", adopts construction in later period expansion bolt mode to fix, the mode of hanger bar and expansion bolt welding.Owing to adopting hanger bar and expansion bolt to weld, interface cannot align, with the surfacing of clear-water concrete, attractive in appearancely conflict mutually.
Summary of the invention
Based on this, the invention reside in the defect that overcomes prior art, embedded part at the bottom of a kind of clear-water concrete plate is provided, it can overcome the defect of prior art, improves the aesthetic property of clear-water concrete, expands its range of application, be not only convenient to hang hang thing, and fixed effect is stable.
Its technical scheme is as follows:
Embedded part at the bottom of a kind of clear-water concrete plate, it is for the fixing hanging object with external connecting rod, comprise vertical rod, at least three support bars, described external connecting rod is provided with screw thread, and described vertical rod includes link, and link is provided with the screw thread with the threaded engagement of described connecting rod, described support bar one end is fixedly connected with described vertical rod, and the angle between any two described support bars is greater than 0 degree and is less than 180 degree.
Below further technical scheme is described:
Preferably, the end of the described support bar other end is hemispherical or pointed shape.
Preferably, include three described support bars, the angle between adjacent two support bars is 60 degree.
Preferably, described vertical rod is hollow stem, and its link is provided with internal thread, and the internal thread of described link coordinates with the external screw thread of described outer connective pole, away from one end sealing of link.
Preferably, also comprise threaded protective cap, described protective cap coordinates with the link of described vertical rod.
Embedded part at the bottom of a kind of clear-water concrete plate, it is for the fixing hanging object with external connecting rod, comprise vertical rod, at least six roots of sensation support bar, described external connecting rod is provided with screw thread, described vertical rod includes link, described link is provided with the screw thread with the threaded engagement of described connecting rod, at least four described support bars are the first support bar, described the first support bar is distributed in described vertical rod periphery, at least two described support bars are the second support bar, described the second support bar intersects fixing with described vertical rod, and and the two ends of support bar are fixedly connected with described the first support bar respectively.
Preferably, described the first end, support bar lower end is hemispherical or pointed shape.
Preferably, described vertical rod is hollow stem, and its link is provided with internal thread, and the internal thread of described link coordinates with described outer connective pole, away from one end sealing of link.
Preferably, also comprise threaded protective cap, described protective cap coordinates with one end and/or the two ends of described vertical rod.
Below principle, the effect etc. of aforementioned techniques scheme are described:
1, one end of support bar and vertical rod are fixed, thereby by support bar, described vertical rod is supported, any two support bars all form triangular support structure, what make that vertical rod can be stable is fixed in clear-water concrete, and by the external connecting rod at hanging object, screw thread is set, vertical rod and described external connecting rod are fixed by the mode of threaded engagement, and connected mode is simple; In addition, after clear-water concrete form removal, the pin point of vertical rod and support bar and the contact area of clear-water concrete are little, can be blocked by the primary colors of clear-water concrete, guarantee that clear-water concrete surfacing, gloss are consistent, increase its aesthetic property.
2, the support rod foot of hemispherical or pointed shape point, the contact area of dwindling support bar and clear-water concrete, further improves planarization and the glossiness uniformity on clear-water concrete surface.
3, in three support bars, between adjacent two support bars, equate with the angle of vertical rod, be 60 degree, three support bars form triangular pyramid type, and vertical rod is stressed evenly, fixing firm.
4, directly vertical rod is set to hollow stem, and at the link of vertical rod, internal thread is set, described external connecting rod directly and vertical rod fix; In the time that embedded part does not use, protective cap is placed on the link of vertical rod, and vertical rod is sealed, and avoids foreign material to enter in hollow vertical rod.
5 or at least four the first support bars of surrounding setting of vertical rod, line between four the first support bars forms square, and intersect again fixing by least two described the second support bars and described vertical rod, and the two ends of the second support bar are fixedly connected with respectively with described the first support bar, make direct or indirect being connected and fixed with described vertical rod of each root support bar, vertical rod is supported, formed stable structure.
6, at the bottom of this clear-water concrete plate, the requirement for height of embedded part is low, and its whole height can be less than clear-water concrete thickness of slab 5-20mm, and range of application is wider.
Accompanying drawing explanation
Fig. 1 is the structural representation of embedded part embodiment mono-at the bottom of the clear-water concrete plate described in the embodiment of the present invention;
Fig. 2 is the structural representation of embedded part embodiment bis-at the bottom of the clear-water concrete plate described in the embodiment of the present invention.
Description of reference numerals:
100, external connecting rod, 200, clear-water concrete, 10, vertical rod, 102, link, 12, support bar, 122, the first support bar, 124, the second support bar, 14, protective cap.
The specific embodiment
Below embodiments of the invention are elaborated:
As shown in Figure 1, embedded part at the bottom of a kind of clear-water concrete plate, it,, for the fixing hanging object with external connecting rod 100, comprises vertical rod 10, at least three support bars 12; Described external connecting rod 100 is provided with screw thread, and described vertical rod 10 includes link 102, and link 102 is provided with the screw thread with the threaded engagement of described external connecting rod 100, by the fixing mode of screw thread, external connecting rod 100 is fixing with vertical rod 10; Described in each root, one end of support bar 12 is all fixedly connected with described vertical rod 10, and the angle between any two described support bars is greater than 0 degree and is less than 180 degree, many support bars 12 form several triangular support structure to vertical rod 10, vertical rod 10 can be stablized fixing.
Described external connecting rod 100 is for hanging the syndeton of hanging thing, by being connected and fixed of described external connecting rod 100 and embedded part at the bottom of clear-water concrete plate, extension being hung to thing and be fixed on the metope or ceiling that clear-water concrete makes.
By fixing to one end of support bar 12 and vertical rod 10, thereby by support bar 12, described vertical rod 10 is supported, any two support bars 12 all form triangular support structure, adding after clear-water concrete 200, increase the bond stress of embedded part and clear-water concrete at the bottom of this clear-water concrete plate, improved the bonding strength of embedded part and external connecting rod 100 at the bottom of this clear-water concrete plate.Also avoid on the other hand carrying out in the work progresss such as reinforcing bar binding, correction, concreting, at the bottom of this clear-water concrete plate, embedded part can not be shifted because affected by external force, is applicable to the cooperation of various templates, and at the bottom of plate, embedded part is arranged more flexible, power transmission more evenly, rationally, practical.The external connecting rod 100 of hanging object is fixedly connected with by the mode of screw thread with vertical rod 10, and fixed form is simple, convenient, easy to operate.After clear-water concrete form removal, vertical rod 10 is little with the pin point of support bar 12 and the contact area of clear-water concrete, can be blocked by the primary colors of clear-water concrete, guarantees clear-water concrete surfacing, and gloss is consistent, increases its aesthetic property, expands range of application.
The end (pin point) of the other end of described support bar 12 is hemispherical or pointed shape, guaranteeing on the basis of the support strength of support bar 12 to vertical rod 10, the pin point of described support bar 12 dwindles as much as possible, reduces the contact area of itself and clear-water concrete.
Described vertical rod 10 is hollow stem, and the link of hollow stem is provided with internal thread, other end sealing, and the external screw thread of the internal thread of its link 102 and external connecting rod 100 is fixed hanging object; Preferred described vertical rod 10 vertically arranges.At the bottom of described clear-water concrete plate, embedded part also comprises threaded protective cap 14, and before building clear-water concrete, described protective cap 14 is placed on the link of described vertical rod 10, and the vertical rod 10 of hollow is sealed, and avoids foreign material to enter in vertical rod 10; In the time that needs are applied, the protective cap 14 at dismounting link 102 places, external connecting rod 100 can by on-the-spot Che Sihou directly and vertical rod 10 fix.
The material of described vertical rod 10 and described support bar 12 is steel, makes full use of the tensile strength of steel, meets installation and the service requirement of suspension equipment.The material of described protective cap 14 is timber or steel, and the color of capable of regulating protective cap 14 is guaranteed the outward appearance uniformity of clear-water concrete.
The present embodiment preferably arranges three described support bars 12, and the angle between adjacent two support bars 12 is 60 degree, and adjacent two support bars 12 form isosceles triangle braced structures, makes vertical rod 10 be subject to equal power and supports.
Another embodiment of the present invention, different from above-described embodiment is, the radical of described support bar 12 is at least the six roots of sensation, at least four support bars 12 are the first support bar 122, described the first support bar 122 is distributed in the periphery of described vertical rod 10, at least two described support bars 12 are the second support bar 124, described the second support bar 124 and described vertical rod 10 intersect fixing after its two ends fixing with described the first support bar 122 respectively again, support bar 12 described in each root is directly or indirectly connected with described vertical rod 10, vertical rod 10 is implemented to support force.The end, lower end (pin point) that wherein, described the first support bar 122 can be preferably only set is hemispherical or pointed shape.
Preferred embodiment includes six roots of sensation support bar 12, and wherein four is that 122, two of the first support bars are the second support bar 124.The mode that two described the second support bars 124 are preferably right-angled intersection is fixed.
The above embodiment has only expressed the specific embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (9)
1. embedded part at the bottom of a clear-water concrete plate, it is for the fixing hanging object with external connecting rod, it is characterized in that, comprise vertical rod, at least three support bars, described external connecting rod is provided with screw thread, described vertical rod includes link, described link is provided with the screw thread with the threaded engagement of described external connecting rod, and described support bar one end is fixedly connected with described vertical rod, and the angle between any two described support bars is greater than 0 degree and is less than 180 degree.
2. embedded part at the bottom of clear-water concrete plate according to claim 1, is characterized in that, the end of the described support bar other end is hemispherical or pointed shape.
3. embedded part at the bottom of clear-water concrete plate according to claim 1 and 2, is characterized in that, includes three described support bars, and the angle between adjacent two support bars is 60 degree.
4. embedded part at the bottom of clear-water concrete plate according to claim 1, is characterized in that, described vertical rod is hollow stem, and its link is provided with internal thread, and the internal thread of described link coordinates with the external screw thread of described outer connective pole, away from one end sealing of link.
5. embedded part at the bottom of clear-water concrete plate according to claim 4, is characterized in that, also comprises threaded protective cap, and described protective cap coordinates with the link of described vertical rod.
6. embedded part at the bottom of a clear-water concrete plate, it is for the fixing hanging object with external connecting rod, it is characterized in that, comprise vertical rod, at least six roots of sensation support bar, described external connecting rod is provided with screw thread, described vertical rod includes link, described link is provided with the screw thread with the threaded engagement of described external connecting rod, at least four described support bars are the first support bar, described the first support bar is distributed in described vertical rod periphery, at least two described support bars are the second support bar, described the second support bar intersects fixing with described vertical rod, and the two ends of the second support bar are fixedly connected with described the first support bar respectively.
7. embedded part at the bottom of clear-water concrete plate according to claim 6, is characterized in that, described the first end, support bar lower end is hemispherical or pointed shape.
8. embedded part at the bottom of clear-water concrete plate according to claim 6, is characterized in that, described vertical rod is hollow stem, and its link is provided with internal thread, and the internal thread of described link coordinates with the external screw thread of described outer connective pole, away from one end sealing of link.
9. embedded part at the bottom of clear-water concrete plate according to claim 8, is characterized in that, also comprises threaded protective cap, and described protective cap coordinates with the link of described vertical rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410105239.5A CN103882989B (en) | 2014-03-20 | 2014-03-20 | Clear-water concrete plate bottom embedded part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410105239.5A CN103882989B (en) | 2014-03-20 | 2014-03-20 | Clear-water concrete plate bottom embedded part |
Publications (2)
| Publication Number | Publication Date |
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| CN103882989A true CN103882989A (en) | 2014-06-25 |
| CN103882989B CN103882989B (en) | 2017-03-08 |
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| CN201410105239.5A Active CN103882989B (en) | 2014-03-20 | 2014-03-20 | Clear-water concrete plate bottom embedded part |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE8406916U1 (en) * | 1984-03-07 | 1984-06-20 | Mühlbauer, Otto, 8493 Kötzting | DUEBEL |
| CN201665919U (en) * | 2009-07-15 | 2010-12-08 | 裴卫明 | Suspended ceiling embedded part |
| CN201836615U (en) * | 2010-08-05 | 2011-05-18 | 丁海燕 | Tripod |
| CN202187429U (en) * | 2011-06-29 | 2012-04-11 | 陈永光 | Ceiling suspender precast device |
| CN203383363U (en) * | 2013-07-19 | 2014-01-08 | 李秀风 | Angular supporting piece |
| CN203821602U (en) * | 2014-03-20 | 2014-09-10 | 中国南方电网有限责任公司 | Bare concrete slab bottom embedded part |
-
2014
- 2014-03-20 CN CN201410105239.5A patent/CN103882989B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE8406916U1 (en) * | 1984-03-07 | 1984-06-20 | Mühlbauer, Otto, 8493 Kötzting | DUEBEL |
| CN201665919U (en) * | 2009-07-15 | 2010-12-08 | 裴卫明 | Suspended ceiling embedded part |
| CN201836615U (en) * | 2010-08-05 | 2011-05-18 | 丁海燕 | Tripod |
| CN202187429U (en) * | 2011-06-29 | 2012-04-11 | 陈永光 | Ceiling suspender precast device |
| CN203383363U (en) * | 2013-07-19 | 2014-01-08 | 李秀风 | Angular supporting piece |
| CN203821602U (en) * | 2014-03-20 | 2014-09-10 | 中国南方电网有限责任公司 | Bare concrete slab bottom embedded part |
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| Publication number | Publication date |
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| CN103882989B (en) | 2017-03-08 |
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| ASS | Succession or assignment of patent right |
Owner name: CHINA SOUTHERN POWER GRID CO., LTD. Free format text: FORMER OWNER: CHINA ENERGY ENGINEERING GROUP GUANGDONG ELECTRIC POWER DESIGN INSTITUTE Effective date: 20140717 Owner name: CHINA ENERGY ENGINEERING GROUP GUANGDONG ELECTRIC Effective date: 20140717 |
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Inventor after: Yu Junling Inventor after: Zhang Jun Inventor after: Huang Zhiqiu Inventor after: Zhang Xiaofeng Inventor after: Wang Jungang Inventor after: Xie Yinghe Inventor after: Wei Wenbing Inventor after: Fan Shaoyou Inventor after: Shi Xiao Inventor after: Hu Lesheng Inventor before: Zhang Xiaofeng Inventor before: Xie Yinghe Inventor before: Wei Wenbing Inventor before: Fan Shaoyou Inventor before: Shi Xiao Inventor before: Hu Lesheng Inventor before: Zhang Jun |
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Free format text: CORRECT: INVENTOR; FROM: ZHANG XIAOFENG XIE YINGHE WEI WENBING FAN SHAOYOU SHI XIAO HU LESHENG ZHANG JUN TO: YU JUNLING HUANG ZHIQIU ZHANG XIAOFENG WANG JUNGANG XIE YINGHE WEI WENBING FAN SHAOYOU SHI XIAO HU LESHENG ZHANG JUN Free format text: CORRECT: ADDRESS; FROM: 510663 GUANGZHOU, GUANGDONG PROVINCE TO: 510623 GUANGZHOU, GUANGDONG PROVINCE |
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Effective date of registration: 20140717 Address after: 510623 Guangdong city in Guangzhou Province, the Pearl River Metro Chinese Sui Road No. 6 Applicant after: China Southern Power Grid Co., Ltd. Applicant after: Guangdong Electric Power Design Institute of CEEC Address before: 510663 Luogang District, Guangdong, Guangzhou Science City Fung Road, No. 1, No. Applicant before: Guangdong Electric Power Design Institute of CEEC |
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Address after: 510623 Guangdong city in Guangzhou Province, the Pearl River Metro Chinese Sui Road No. 6 Applicant after: China Southern Power Grid Co., Ltd. Applicant after: Company limited of China Energy Engineering Group Guangdong Electric Power Design Institute Address before: 510623 Guangdong city in Guangzhou Province, the Pearl River Metro Chinese Sui Road No. 6 Applicant before: China Southern Power Grid Co., Ltd. Applicant before: Guangdong Electric Power Design Institute of CEEC |
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Free format text: CORRECT: APPLICANT; FROM: CHINA ENERGY ENGINEERING GROUP GUANGDONG ELECTRIC POWER DESIGN INSTITUTE TO: CHINA ENERGY ENGINEERING GROUP GUANGDONG ELECTRIC POWER DESIGN INSTITUTE CO., LTD. |
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