CN103950103A - Movable combined mold for producing prestressed concrete members and production method thereof - Google Patents
Movable combined mold for producing prestressed concrete members and production method thereof Download PDFInfo
- Publication number
- CN103950103A CN103950103A CN201410192475.5A CN201410192475A CN103950103A CN 103950103 A CN103950103 A CN 103950103A CN 201410192475 A CN201410192475 A CN 201410192475A CN 103950103 A CN103950103 A CN 103950103A
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- bed die
- die
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- girder
- stretch
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
- B28B23/04—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members the elements being stressed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0002—Auxiliary parts or elements of the mould
- B28B7/0014—Fastening means for mould parts, e.g. for attaching mould walls on mould tables; Mould clamps
- B28B7/002—Fastening means for mould parts, e.g. for attaching mould walls on mould tables; Mould clamps using magnets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0064—Moulds characterised by special surfaces for producing a desired surface of a moulded article, e.g. profiled or polished moulding surfaces
- B28B7/0079—Moulds characterised by special surfaces for producing a desired surface of a moulded article, e.g. profiled or polished moulding surfaces with surfaces for moulding interlocking means, e.g. grooves and ribs
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Moulds, Cores, Or Mandrels (AREA)
Abstract
The invention relate to a movable combined mold for producing prestressed concrete members and a production method thereof. The movable combined mold is characterized by comprising a base made of steel channels, a bottom die arranged on the base, a mortise-side die and a tenon-side die, wherein the mortise-side die and the tenon-side die are hinged to the side parts of the base; a tension end fixing plate and a tail end fixing plate are arranged at the two end head parts of the bottom die, the bottom die consists of two bottom die sloping plates, a bottom die girder arranged between the upper parts of the two bottom die sloping plates and two flat bottom plates arranged on the outer sides of the two bottom die sloping plates, and the two bottom die sloping plates and the two flat bottom plates are arranged above the base; the two bottom die sloping plates, the bottom die girder and the upper surface of the base form a trapezoid inner cavity; a girder vertical support is arranged between the base and the bottom die girder; the mortise-side die, the tenon-side die and the bottom die form a polygonal concrete member molding cavity of which the upper part is open, and a tensioning external member is placed at the tension end of the molding cavity. Through the independence and the mobility of the mold provided by the invention, the overall vibration molding can be achieved, so that the overall compaction effect is more ideal; a plurality sets of molds are adopted to carry out steam curing in the same pond, the energy conservation effect is obvious, and at the same time, uniform overall strength of concrete products is ensured.
Description
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technical field:
The present invention relates to a kind of portable assembling die and production method thereof of producing prestressed concrete member.
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background technology:
Prestressed concrete member is a kind of new concrete prefabricated component that is applied to the field of civil engineering such as gear soil, bank protection, building enclosure.
The fixed pedestal method mould of the many employings of the production technology of prestressed concrete member both at home and abroad at present, its shortcoming is as follows:
1, it is irremovable that traditional moulds is used fixed pedestal method production, and production capacity is low.
2, traditional moulds is used fixed pedestal method production steam curing mode to limit to.
3, in traditional moulds stretching force keep-process, utilize equipment constant voltage to maintain pressure, cannot carry out mechanical caging, the tentioning stroke retraction inevitably occurring, affects overall performance.
4, need cut off the main muscle of prestressing force when traditional moulds form removal peels off dividing plate and causes form removal process loaded down with trivial details.
5, the traditional moulds wear-out period short, maintenance engineering amount is large, and to affect the production time long.
6, traditional moulds long in the processes such as production limit mould yielding.
7, in traditional moulds vibration shaping compacting process, contact-making surface and amplitude are limited causes overall packing inequality.
summary of the invention:
The object of the present invention is to provide a kind of portable assembling die of producing prestressed concrete member, the portable assembling die of this production prestressed concrete member is not only simple in structure, reasonable in design, and is conducive to convenient mobile production and enhances productivity.
The technical solution used in the present invention:
The present invention produces the portable assembling die of prestressed concrete member, it is characterized in that: include the base of being made by channel-section steel, be located at bed die on base and the fourth of the twelve Earthly Branches side mould hinged with base sidepiece, tenon side mould, described bed die two ends head is provided with stretching end fixed head and tail end fixed head, described bed die is by two bed die swash plates, two flat undersides that are located at bed die girder between two bed die swash plate tops and two bed die swash plates outside form, two bed die swash plates and two flat undersides are located at base top, two bed die swash plates, bed die girder and base upper surface form trapezoidal shape inner chamber, between base and bed die girder, be provided with the perpendicular support of girder, tenon side mould, fourth of the twelve Earthly Branches side mould and bed die form the concrete component die cavity of a polygon and upper opening, stretch-draw external member is placed in the stretching end of this die cavity,
Described stretch-draw external member comprises interior stretch board, interior tension rod, outer stretch board, tensioning nut, outer tension rod and clamp nut, the main muscle of prestressing force is fixed between interior stretch board and tail end fixed head, interior stretch board is connected with outer stretch board by many interior tension rods, and locked by tensioning nut, interior stretch board, interior tension rod and outer stretch board are connected into an integral tension draw-gear, and outer tension rod is connected to outer stretch board outboard end.
The centre of form of above-mentioned bed die girder, the main biceps heart of prestressing force, outer tension rod axle center are on same axis, and bed die girder bears the back stress that the main muscle stretch-draw of whole prestressing force produces.
Above-mentioned tail end fixed head is fixed on the tail end of bed die girder, is passed on bed die girder with the back stress main prestressing force muscle stretch-draw being produced by this tail end fixed head.
The above-mentioned chamfering sealing strip that is positioned at bed die two positions, angle, flat underside outer end and is provided with soft materials, forms chamfering for Bian Mo and bed die link position, and Bian Mo and bed die is fitted closely under closure state.
Above-mentioned at four hoisting rings of base both sides installation, for lifting by crane in unit flowing water method production process and moving moulds.
Above-mentionedly at fourth of the twelve Earthly Branches side mould and tenon side mould outside portion, the limit die drawing ear that can drive limit mould folding is installed.
Above-mentioned tight die drawing bar and the tight die drawing ear that can fix relative position of being provided with at fourth of the twelve Earthly Branches side mould and tenon side mould outboard end.
Above-mentioned base stretching end is provided with the stretch-draw headstock, this headstock comprises that mould stretching end fixed head, the headstock support, headstock location-plate, for the clamp nut of fixing stretch-draw external member, should be passed to bed die girder with the mechanical caging after realizing stretch-draw and completing the retraction that main prestressing force muscle stretch-draw is produced, to keep stretching force.
The method that the portable assembling die of the present invention is produced prestressed concrete member, it is characterized in that: the portable assembling die of producing prestressed concrete member includes the base of being made up of channel-section steel, be located at bed die on base and the fourth of the twelve Earthly Branches side mould hinged with base sidepiece, tenon side mould, described bed die two ends head is provided with stretching end fixed head and tail end fixed head, described bed die is by two bed die swash plates, two flat undersides that are located at bed die girder between two bed die swash plate tops and two bed die swash plates outside form, two bed die swash plates and two flat undersides are located at base top, two bed die swash plates, bed die girder and base upper surface form trapezoidal shape inner chamber, between base and bed die girder, be provided with the perpendicular support of girder, tenon side mould, fourth of the twelve Earthly Branches side mould and bed die form the concrete component die cavity of a polygon and upper opening, stretch-draw external member is placed in the stretching end of this die cavity,
Described stretch-draw external member comprises interior stretch board, interior tension rod, outer stretch board, tensioning nut, outer tension rod and clamp nut, the main muscle of prestressing force is fixed between interior stretch board and tail end fixed head, interior stretch board is connected with outer stretch board by many interior tension rods, and locked by tensioning nut, by interior stretch board, interior tension rod and outer stretch board are connected into an integral tension draw-gear, outer tension rod is connected to outer stretch board outboard end, when use, main prestressing force muscle two ends are separately fixed on stretching end fixed head and tail end fixed head, dual-side mould is through hinged matched moulds, at bed die, limit mould and two ends fixed head form a die cavity, from limit mould upper end open toward inner chamber, inject concrete-agitating material.
When the present invention produces the portable assembling die work of prestressed concrete member, main prestressing force muscle two ends are separately fixed on stretching end fixed head and tail end fixed head, dual-side mould is through hinged matched moulds, form a die cavity at bed die, Bian Mo and two ends fixed head, inject concrete-agitating material from limit mould upper end open toward inner chamber.This unitary mould can conveniently move to shaking platform vibratory compaction, and can carry out steam curing with pond by organizing mould more, and energy-saving effect is obvious, and the independence of described mould and mobility can realize Cycle Unit continuous productive process, can significantly improve production capacity.
The present invention produces the advantage of the portable assembling die of prestressed concrete member: the only main property of mould and mobility can realize body vibration moulding makes overall closely knit effect better; Mould adopts many group moulds to carry out steam curing with pond, and energy-saving effect is obvious, has ensured that the bulk strength of concrete product is even simultaneously.
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brief description of the drawings:
The cross sectional representation of the portable assembling die of Fig. 1 the present invention;
Fig. 2 is the schematic diagram of mould stretching end;
The organigram of Fig. 3 stretch-draw external member;
Fig. 4 is the top view of mould of the present invention;
Fig. 5 is the stressed schematic diagram of mould structure of the present invention;
Wherein:
1, tenon side mould 2, fourth of the twelve Earthly Branches side mould 3, bed die 4, base 5, bed die girder 6, tail end fixed head
7, interior stretch board 8, interior tension rod 9, outer stretch board 10, tensioning nut 11, outer tension rod 12, clamp nut 13, the perpendicular support 14 of girder, bearing pin external member 15, chamfering sealing strip 16, hoisting ring 17, limit die drawing ear
18, tight die drawing ear 19, tight die drawing bar 20, stretching end fixed head 21, headstock support 22, headstock location-plate 23, the main muscle of prestressing force.
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detailed description of the invention:
The present invention produces the portable assembling die of prestressed concrete member, include the base 4 of being made by channel-section steel, be located at bed die 3 on base 4 and the fourth of the twelve Earthly Branches side mould 2 hinged with base sidepiece, tenon side mould 1, described bed die 3 two ends heads are provided with stretching end fixed head 20 and tail end fixed head 6, described bed die is by two bed die swash plates 601, two flat undersides 602 that are located at bed die girder 5 between two bed die swash plate tops and two bed die swash plates outside form, two bed die swash plates and two flat undersides are located at base top, two bed die swash plates, bed die girder and base upper surface form trapezoidal shape inner chamber, between base and bed die girder, be provided with the perpendicular support 13 of girder, tenon side mould, fourth of the twelve Earthly Branches side mould and bed die form the concrete component die cavity of a polygon and upper opening 24, stretch-draw external member is placed in the stretching end of this die cavity, stretch-draw external member comprises interior stretch board 7, interior tension rod 8, outer stretch board 9, tensioning nut 10, outer tension rod 11 and clamp nut 12, the main muscle 23 of prestressing force is fixed between interior stretch board 7 and tail end fixed head 6, interior stretch board 7 is connected with outer stretch board 9 by many interior tension rods 8, and locked by tensioning nut 10, by interior stretch board, interior tension rod and outer stretch board are connected into an integral tension draw-gear, outer tension rod is connected to outer stretch board outboard end.
In order to allow bed die girder bear the back stress that the main muscle stretch-draw of whole prestressing force produces, the centre of form of above-mentioned bed die girder, the main biceps heart of prestressing force, outer tension rod axle center are on same axis.
For the back stress that allows tail end fixed head that main prestressing force muscle stretch-draw is produced is passed on bed die girder, above-mentioned tail end fixed head 6 is fixed on the tail end of bed die girder 5.
In order to allow Bian Mo and bed die link position form chamfering, and Bian Mo and bed die are fitted closely under closure state, the above-mentioned chamfering sealing strip 15 that is positioned at bed die two positions, angle, flat underside outer end and is provided with soft materials.
In order to realize in unit flowing water method production process lifting and to move moulds, above-mentioned four hoisting rings 16 are installed in base both sides.
For the ease of folding limit mould, above-mentionedly at fourth of the twelve Earthly Branches side mould and tenon side mould outside portion, the limit die drawing ear 17 that can drive limit mould folding is installed.
For the ease of fixed edge mould, above-mentioned tight die drawing bar 19 and the tight die drawing ear 18 that can fix relative position of being provided with at fourth of the twelve Earthly Branches side mould and tenon side mould outboard end.
For the mechanical caging after realizing stretch-draw and completing the retraction that main prestressing force muscle stretch-draw is produced should be passed to bed die girder 5, to keep stretching force.Above-mentioned base stretching end is provided with the stretch-draw headstock, and this headstock comprises mould stretching end fixed head 20, headstock support 21, headstock location-plate 22.
The method that the portable assembling die of the present invention is produced prestressed concrete member, the portable assembling die of producing prestressed concrete member includes the base of being made up of channel-section steel, be located at bed die on base and the fourth of the twelve Earthly Branches side mould hinged with base sidepiece, tenon side mould, described bed die two ends head is provided with stretching end fixed head and tail end fixed head, described bed die is by two bed die swash plates, two flat undersides that are located at bed die girder between two bed die swash plate tops and two bed die swash plates outside form, two bed die swash plates and two flat undersides are located at base top, two bed die swash plates, bed die girder and base upper surface form trapezoidal shape inner chamber, between base and bed die girder, be provided with the perpendicular support of girder, tenon side mould, fourth of the twelve Earthly Branches side mould and bed die form the concrete component die cavity of a polygon and upper opening, stretch-draw external member is placed in the stretching end of this die cavity, described stretch-draw external member comprises interior stretch board, interior tension rod, outer stretch board, tensioning nut, outer tension rod and clamp nut, the main muscle of prestressing force is fixed between interior stretch board and tail end fixed head, interior stretch board is connected with outer stretch board by many interior tension rods, and locked by tensioning nut, by interior stretch board, interior tension rod and outer stretch board are connected into an integral tension draw-gear, outer tension rod is connected to outer stretch board outboard end, when use, main prestressing force muscle two ends are separately fixed on stretching end fixed head and tail end fixed head, dual-side mould is through hinged matched moulds, at bed die, limit mould and two ends fixed head form a die cavity, from limit mould upper end open toward inner chamber, inject concrete-agitating material.
When the present invention produces the portable assembling die work of prestressed concrete member, main prestressing force muscle two ends are separately fixed on stretching end fixed head and tail end fixed head, dual-side mould is through hinged matched moulds, form a die cavity at bed die, Bian Mo and two ends fixed head, inject concrete-agitating material from limit mould upper end open toward inner chamber.This unitary mould can conveniently move to shaking platform vibratory compaction, and can carry out steam curing with pond by organizing mould more, and energy-saving effect is obvious, and the independence of described mould and mobility can realize Cycle Unit continuous productive process, can significantly improve production capacity.
The present invention produces the advantage of the portable assembling die of prestressed concrete member: the only main property of mould and mobility can realize body vibration moulding makes overall closely knit effect better; Mould adopts many group moulds to carry out steam curing with pond, and energy-saving effect is obvious, has ensured that the bulk strength of concrete product is even simultaneously.
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Claims (9)
1. produce the portable assembling die of prestressed concrete member for one kind, it is characterized in that: include the base of being made by channel-section steel, be located at bed die on base and the fourth of the twelve Earthly Branches side mould hinged with base sidepiece, tenon side mould, described bed die two ends head is provided with stretching end fixed head and tail end fixed head, described bed die is by two bed die swash plates, two flat undersides that are located at bed die girder between two bed die swash plate tops and two bed die swash plates outside form, two bed die swash plates and two flat undersides are located at base top, two bed die swash plates, bed die girder and base upper surface form trapezoidal shape inner chamber, between base and bed die girder, be provided with the perpendicular support of girder, tenon side mould, fourth of the twelve Earthly Branches side mould and bed die form the concrete component die cavity of a polygon and upper opening, stretch-draw external member is placed in the stretching end of this die cavity, described stretch-draw external member comprises interior stretch board, interior tension rod, outer stretch board, tensioning nut, outer tension rod and clamp nut, the main muscle of prestressing force is fixed between interior stretch board and tail end fixed head, interior stretch board is connected with outer stretch board by many interior tension rods, and locked by tensioning nut, by interior stretch board, interior tension rod and outer stretch board are connected into an integral tension draw-gear, outer tension rod is connected to outer stretch board outboard end.
2. produce according to claim 1 the portable assembling die of prestressed concrete member, it is characterized in that: the centre of form of described bed die girder, the main biceps heart of prestressing force, outer tension rod axle center are on same axis, and bed die girder bears the back stress that the main muscle stretch-draw of whole prestressing force produces.
3. produce according to claim 1 the portable assembling die of prestressed concrete member, it is characterized in that: described tail end fixed head is fixed on the tail end of bed die girder, be passed on bed die girder with the back stress main prestressing force muscle stretch-draw being produced by this tail end fixed head.
4. according to the portable assembling die of producing prestressed concrete member described in claims 1, it is characterized in that: the chamfering sealing strip that is positioned at bed die two positions, angle, flat underside outer end and is provided with soft materials, form chamfering for Bian Mo and bed die link position, and Bian Mo and bed die are fitted closely under closure state.
5. according to the portable assembling die of producing prestressed concrete member described in claims 1, it is characterized in that: four hoisting rings are installed, for lifting by crane in unit flowing water method production process and moving moulds in base both sides.
6. according to the portable assembling die of producing prestressed concrete member described in claims 1, it is characterized in that: at fourth of the twelve Earthly Branches side mould and tenon side mould outside portion, the limit die drawing ear that can drive limit mould folding is installed.
7. according to the portable assembling die of producing prestressed concrete member described in claims 1, it is characterized in that: at fourth of the twelve Earthly Branches side mould and tenon side mould outboard end, tight die drawing bar and the tight die drawing ear that can fix relative position are installed.
8. according to the portable assembling die of producing prestressed concrete member described in claims 1,2,3,4,5 or 6, it is characterized in that: described base stretching end is provided with the stretch-draw headstock, this headstock comprises that mould stretching end fixed head, the headstock support, headstock location-plate, for the clamp nut of fixing stretch-draw external member, should be passed to bed die girder with the mechanical caging after realizing stretch-draw and completing the retraction that main prestressing force muscle stretch-draw is produced, to keep stretching force.
9. a right to use requires the method that described in 1, portable assembling die is produced prestressed concrete member, it is characterized in that: the portable assembling die of producing prestressed concrete member includes the base of being made up of channel-section steel, be located at bed die on base and the fourth of the twelve Earthly Branches side mould hinged with base sidepiece, tenon side mould, described bed die two ends head is provided with stretching end fixed head and tail end fixed head, described bed die is by two bed die swash plates, two flat undersides that are located at bed die girder between two bed die swash plate tops and two bed die swash plates outside form, two bed die swash plates and two flat undersides are located at base top, two bed die swash plates, bed die girder and base upper surface form trapezoidal shape inner chamber, between base and bed die girder, be provided with the perpendicular support of girder, tenon side mould, fourth of the twelve Earthly Branches side mould and bed die form the concrete component die cavity of a polygon and upper opening, stretch-draw external member is placed in the stretching end of this die cavity,
Described stretch-draw external member comprises interior stretch board, interior tension rod, outer stretch board, tensioning nut, outer tension rod and clamp nut, the main muscle of prestressing force is fixed between interior stretch board and tail end fixed head, interior stretch board is connected with outer stretch board by many interior tension rods, and locked by tensioning nut, by interior stretch board, interior tension rod and outer stretch board are connected into an integral tension draw-gear, outer tension rod is connected to outer stretch board outboard end, when use, main prestressing force muscle two ends are separately fixed on stretching end fixed head and tail end fixed head, dual-side mould is through hinged matched moulds, at bed die, limit mould and two ends fixed head form a die cavity, from limit mould upper end open toward inner chamber, inject concrete-agitating material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410192475.5A CN103950103B (en) | 2014-05-09 | 2014-05-09 | Produce the portable assembling die using method of prestressed concrete member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410192475.5A CN103950103B (en) | 2014-05-09 | 2014-05-09 | Produce the portable assembling die using method of prestressed concrete member |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103950103A true CN103950103A (en) | 2014-07-30 |
| CN103950103B CN103950103B (en) | 2016-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410192475.5A Expired - Fee Related CN103950103B (en) | 2014-05-09 | 2014-05-09 | Produce the portable assembling die using method of prestressed concrete member |
Country Status (1)
| Country | Link |
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| CN (1) | CN103950103B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106738231A (en) * | 2017-03-17 | 2017-05-31 | 顾东东 | Concrete-pile template die lamps structure |
| CN114012891A (en) * | 2021-11-09 | 2022-02-08 | 浙江龙鼎混凝土建材股份有限公司 | Inside and outside double round angle U type concrete wave sheet pile forming device |
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| DD292866A5 (en) * | 1990-03-19 | 1991-08-14 | Veb Betonprojekt Dessau,De | TENSION SUPPORT FOR RECEIVING TORQUE MEMBRANES IN THE MANUFACTURE OF TEMPORARY SPAN-CONCRETE PARTS |
| SU1679011A1 (en) * | 1989-06-14 | 1991-09-23 | Магнитогорский горно-металлургический институт им.Г.И.Носова | Method for manufacture of precompressed reinforced concrete member |
| GB2313568A (en) * | 1996-05-31 | 1997-12-03 | Flood Technology Limited | Manufacture of pre-stressed concrete panels |
| CN201874246U (en) * | 2010-09-26 | 2011-06-22 | 北京华泰天成科技发展有限公司 | Prestressed tendon tensioning device |
| CN202200390U (en) * | 2011-07-29 | 2012-04-25 | 广东建华管桩有限公司 | Novel part combination for tensioning main steel bars during production of prestressed pipe piles |
| CN203530953U (en) * | 2013-10-19 | 2014-04-09 | 张武 | End plate special for prestress high-strength concrete corrugated plate pile based on pre-tensioning method |
| CN203557514U (en) * | 2013-11-19 | 2014-04-23 | 张武 | Movable forming die for producing prestressed concrete wave-shaped sheet piles |
| CN203557513U (en) * | 2013-11-19 | 2014-04-23 | 张武 | Prestress tensioning device of pre-tensioning method prestress high-strength concrete corrugated sheet pile |
| CN203854098U (en) * | 2014-05-09 | 2014-10-01 | 张武 | Movable combined mold for production of prestressed concrete members |
-
2014
- 2014-05-09 CN CN201410192475.5A patent/CN103950103B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1679011A1 (en) * | 1989-06-14 | 1991-09-23 | Магнитогорский горно-металлургический институт им.Г.И.Носова | Method for manufacture of precompressed reinforced concrete member |
| DD292866A5 (en) * | 1990-03-19 | 1991-08-14 | Veb Betonprojekt Dessau,De | TENSION SUPPORT FOR RECEIVING TORQUE MEMBRANES IN THE MANUFACTURE OF TEMPORARY SPAN-CONCRETE PARTS |
| GB2313568A (en) * | 1996-05-31 | 1997-12-03 | Flood Technology Limited | Manufacture of pre-stressed concrete panels |
| CN201874246U (en) * | 2010-09-26 | 2011-06-22 | 北京华泰天成科技发展有限公司 | Prestressed tendon tensioning device |
| CN202200390U (en) * | 2011-07-29 | 2012-04-25 | 广东建华管桩有限公司 | Novel part combination for tensioning main steel bars during production of prestressed pipe piles |
| CN203530953U (en) * | 2013-10-19 | 2014-04-09 | 张武 | End plate special for prestress high-strength concrete corrugated plate pile based on pre-tensioning method |
| CN203557514U (en) * | 2013-11-19 | 2014-04-23 | 张武 | Movable forming die for producing prestressed concrete wave-shaped sheet piles |
| CN203557513U (en) * | 2013-11-19 | 2014-04-23 | 张武 | Prestress tensioning device of pre-tensioning method prestress high-strength concrete corrugated sheet pile |
| CN203854098U (en) * | 2014-05-09 | 2014-10-01 | 张武 | Movable combined mold for production of prestressed concrete members |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106738231A (en) * | 2017-03-17 | 2017-05-31 | 顾东东 | Concrete-pile template die lamps structure |
| CN114012891A (en) * | 2021-11-09 | 2022-02-08 | 浙江龙鼎混凝土建材股份有限公司 | Inside and outside double round angle U type concrete wave sheet pile forming device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103950103B (en) | 2016-04-13 |
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