CN202299415U - Quickly disassembled and assembled concrete floor slab hole reservation apparatus - Google Patents
Quickly disassembled and assembled concrete floor slab hole reservation apparatus Download PDFInfo
- Publication number
- CN202299415U CN202299415U CN 201120428548 CN201120428548U CN202299415U CN 202299415 U CN202299415 U CN 202299415U CN 201120428548 CN201120428548 CN 201120428548 CN 201120428548 U CN201120428548 U CN 201120428548U CN 202299415 U CN202299415 U CN 202299415U
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- steel plate
- tightening bolt
- hole
- main body
- die main
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Abstract
The utility model relates to a quickly disassembled and assembled concrete floor slab hole reservation apparatus. According to the structure, the inner side of the lower end of a steel die main body is welded together with a lower compacting strip steel plate, and a hole is drilled at the central position of the lower compacting strip steel plate, so that a tightening bolt limiting sleeve penetrates through the hole and is welded firmly with the lower end face of the lower compacting strip steel plate; the upper end of the steel die main body is welded with an upper seal cover steel plate; a hole is drilled in the circle center of the upper seal cover steel plate, and the diameter of the hole is slightly greater than the outside diameter of a T-shaped tightening bolt; the front end of the T-shaped tightening bolt is made into a self-tapping screw tap with wood threads; and the T-shaped tightening bolt extends from the circular hole of the upper seal cover steel plate to the steel die main body, and then is sequentially sleeved with an upper limiting ring and a lower compacting ring and fixed. A reservation die is quickly disassembled and assembled through the 'T'-shaped tightening bolt, and the die can be reused. The reservation apparatus applied to building engineering construction can improve the construction efficiency and save the cost.
Description
Technical field
The utility model belongs to building engineering field, relates to a kind of instrument that uses when when floorslab concrete is built, on floor, reserving circular opening, is specifically related to a kind of quickly dismantled concrete floor hole and reserves device.
Background technology
Vertical building water supply and drainage standpipe passes the place of floor, need in construction work concrete floor pouring construction process, be the standpipe box out.The job practices in traditional pipeline threading hole has:
1, wooden form box box out method; Promptly in the floor slab construction process, with the mould of wooden form nail squarely, reserve the hole in the place that needs box out; After concrete reaches intensity fully, remove, its shortcoming is diaphragm capsule processing, installation, removes all consuming time and not reproducible utilization;
2, sleeve pipe method of directly burring; Promptly in the place of standpipe passing through floors directly with disposable pre-buried the putting in place of pipe sleeve, its shortcoming is that the pre-buried precision of sleeve pipe is difficult to control, should cause pipeline and sleeve pipe decentraction; Cause engineering construction quality to descend during error correction, and produce economic loss;
3, open method after, promptly in the floor slab construction process, do not reserve, when piping erection, in the place of needs floor is carried out machinery temporarily and punch, its shortcoming is that machinery punches and might cause than macrolesion structure, pre-buried spool etc.
Summary of the invention
The utility model is in order to overcome problem and the shortcoming that above-mentioned prior art exists; Provide a kind of quickly dismantled concrete floor hole to reserve device; It is easy to use to construct, can Fast Installation and dismounting, treat that in follow-up concrete construction concrete reaches certain intensity after; Can steel sleeve be pulled down, go to next continuous productive process section and reuse; The utility model need not too much input, and both the time and labour saving can be avoided the damage of follow-up construction to floor again, can improve workmanship simultaneously.
The technical scheme of the utility model is:
Device is reserved in quickly dismantled concrete floor hole; Comprise that steel die main body, T shape tightening bolt, following hold-down ring, upper end capping steel plate, tightening bolt limit casing, lower end compress bar steel plate, upper limit ring; It is characterized in that: inboard, steel die main body lower end compresses bar steel plate with the lower end and welds together; And compress the boring of bar steel plate center position in the lower end, and make tightening bolt limit casing pass this Kong Bingping lower end and compress bar steel plate lower surface firm welding, weld with upper end capping steel plate in steel die main body upper end; The capping steel plate circle centre position boring in the upper end; And bore dia is bigger slightly than T shape tightening bolt external diameter, and the front end of T shape tightening bolt is made into the self tapping screw tap of wood snail line, with T shape tightening bolt by after penetrating in the steel die main body 1 in the upper end capping steel plate circular hole; Put upper limit ring 7 and following hold-down ring successively; Regulate two ring height and two rings are fixing with the welding of T shape tightening bolt, and make the screw thread of T shape tightening bolt just all shoot template and can compress tightening bolt limit casing to be advisable, the upper limit ring position with T shape tightening bolt lower end with under compress bar steel plate be positioned at when concordant under the capping steel plate 2cm be advisable.
Described steel die main body is a steel pipe.According to the size of engineering hole to be provided, the steel pipe of selecting different size for use is as die main body, and its height is as the criterion to exceed whole engineering slab thickness maximum value.
Described T shape tightening bolt is made with
round steel.
The steel die main body of the utility model is utilized steel pipe manufacturing, and covers in the top, avoids object entering such as not solidified concrete.Between top steel plate hole and bottom bar steel plate; Penetrate a T shape tightening bolt made from round steel; The front end of T shape tightening bolt is made into the self tapping screw tap of wood snail line; The middle spacing ring up and down that is provided with, the upper limit ring works to prevent that T shape tightening bolt from coming off, the lower limit ring works to compress this steel die master.
The utility model is applied in the building engineering construction, can improve efficiency of construction, practice thrift cost.
Description of drawings
Generalized section when Fig. 1 is the utility model use.
Fig. 2 is that the utility model dissects back demonstration internal structure sketch map.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is carried out detailed explanation:
As depicted in figs. 1 and 2; The utility model by steel die main body 1, T shape tightening bolt 2, hold-down ring 3, upper end capping steel plate 4, tightening bolt limit casing 5, lower end compress bar steel plate 6 down, upper limit ring 7 is formed; It is characterized in that inboard, steel die main body 1 lower end compresses bar steel plate 6 with the lower end and welds together; And compress the boring of bar steel plate 6 center positions in the lower end; Make tightening bolt limit casing 5 pass this Kong Bingping lower end and compress bar steel plate 6 lower surface firm welding; Weld in steel die main body 1 upper end and upper end capping steel plate 4, the capping steel plate 4 circle centre positions boring in the upper end, this bore dia is bigger slightly than T shape tightening bolt 2 external diameters; T shape tightening bolt 2 usefulness
round steel is made, and the front end of T shape tightening bolt 2 is made into the self tapping screw tap of wood snail line.With T shape tightening bolt 2 by after penetrating in the steel die main body 1 in the upper end capping steel plate circular hole; Put upper limit ring 7 and following hold-down ring 3 successively; Regulating it highly and with two encircles and T shape tightening bolt 2 firm welding; Make the screw thread of T shape tightening bolt 2 just all shoot template and can compress tightening bolt limit casing 5 and be advisable, the upper limit ring position with T shape tightening bolt 2 lower ends with under compress bar steel plate 6 be positioned at when concordant on 4 times 2cm of capping steel plate be advisable.According to the size of engineering hole to be provided, the steel pipe of selecting different size for use is as die main body, and its height is as the criterion to exceed whole engineering slab thickness maximum value.
The device method for using is reserved in quickly dismantled concrete floor hole:
Before the use, a little release agent of steel die main body 1 surface brush is before assembling reinforcement after the completion of civil engineering template operation; The position marked of reserving hole on the floor of needs with the T shape tightening bolt 2 most advanced and sophisticated alignment holes centers of the utility model, is held up steady steel die main body 1; Mentioning T shape tightening bolt 2 firmly follows closely down; Again along screw thread tightening direction rotation, when its screw thread is shot wooden template and made down hold-down ring 3 compress tightening bolt limit casing 5, thereby this reservation device is fixedly secured on template.
After concreting is accomplished; When treating that concrete strength reaches people's condition; Can unclamp direction rotation T shape tightening bolt 2 handles along screw thread, make screw thread withdraw from wooden template after, spur T shape tightening bolt 2 up and down; This hole reservation device and concrete structure are broken away from also extract gently, collect back cleaning and brush release agent and change next flowing water section use over to.
Claims (3)
1. device is reserved in quickly dismantled concrete floor hole; Comprise that steel die main body, T shape tightening bolt, following hold-down ring, upper end capping steel plate, tightening bolt limit casing, lower end compress bar steel plate, upper limit ring; It is characterized in that: inboard, steel die main body lower end compresses bar steel plate with the lower end and welds together; And compress the boring of bar steel plate center position in the lower end, and make tightening bolt limit casing pass this Kong Bingping lower end and compress bar steel plate lower surface firm welding, weld with upper end capping steel plate in steel die main body upper end; The capping steel plate circle centre position boring in the upper end; The front end of T shape tightening bolt is made into the self tapping screw tap of wood snail line, and T shape tightening bolt by after penetrating in the steel die main body in the upper end capping steel plate circular hole, is put upper limit ring and following hold-down ring and fixing successively.
2. device is reserved in quickly dismantled concrete floor according to claim 1 hole, and it is characterized in that: described steel die main body is a steel pipe.
3. device is reserved in quickly dismantled concrete floor according to claim 1 hole, and it is characterized in that: described T shape tightening bolt is made with
round steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120428548 CN202299415U (en) | 2011-11-02 | 2011-11-02 | Quickly disassembled and assembled concrete floor slab hole reservation apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120428548 CN202299415U (en) | 2011-11-02 | 2011-11-02 | Quickly disassembled and assembled concrete floor slab hole reservation apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202299415U true CN202299415U (en) | 2012-07-04 |
Family
ID=46368341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120428548 Expired - Lifetime CN202299415U (en) | 2011-11-02 | 2011-11-02 | Quickly disassembled and assembled concrete floor slab hole reservation apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202299415U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102364004A (en) * | 2011-11-02 | 2012-02-29 | 中建三局第二建设工程有限责任公司 | Concrete floor hole reserving device capable of being quickly assembled and disassembled |
| CN109162453A (en) * | 2018-09-21 | 2019-01-08 | 中建四局安装工程有限公司 | A kind of fixing means and limiting device used through floor steel sleeve |
-
2011
- 2011-11-02 CN CN 201120428548 patent/CN202299415U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102364004A (en) * | 2011-11-02 | 2012-02-29 | 中建三局第二建设工程有限责任公司 | Concrete floor hole reserving device capable of being quickly assembled and disassembled |
| CN109162453A (en) * | 2018-09-21 | 2019-01-08 | 中建四局安装工程有限公司 | A kind of fixing means and limiting device used through floor steel sleeve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120704 |