CN105599134A - Prestressed beam production bench formwork and prestressed beam production technology - Google Patents
Prestressed beam production bench formwork and prestressed beam production technology Download PDFInfo
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- CN105599134A CN105599134A CN201510991134.9A CN201510991134A CN105599134A CN 105599134 A CN105599134 A CN 105599134A CN 201510991134 A CN201510991134 A CN 201510991134A CN 105599134 A CN105599134 A CN 105599134A
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- reinforcement cage
- bed die
- steel reinforcement
- mould
- strand wires
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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
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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
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0029—Moulds or moulding surfaces not covered by B28B7/0058 - B28B7/36 and B28B7/40 - B28B7/465, e.g. moulds assembled from several parts
- B28B7/0032—Moulding tables or similar mainly horizontal moulding surfaces
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- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention relates to the field of building, and discloses a prestressed beam production bench formwork and a prestressed beam production technology. The prestressed beam production bench formwork comprises vertically-arranged side formworks and a horizontally-arranged bottom formwork. The side formworks comprise the first side formwork and the second side formwork which are oppositely arranged on the two sides of the bottom formwork respectively. The lower portion of the bottom formwork is provided with a lifting device. The lifting device is used for adjusting the bottom formwork to vertically move along the side formworks. When the prestressed beam production bench formwork is in use, the lifting device is adjusted to enable the bottom formwork to vertically move upwards along the side formworks till an embedded part and a steel strand can be conveniently laid. By means of the implementation of the prestressed beam production bench formwork and the prestressed beam production technology, operation space can be effectively enlarged, constructors can carry out measurement, line marking, embedded part installation, laying of the prestressed steel stand and a beam steel reinforcement cage and the like conveniently, and working efficiency is improved.
Description
Technical field
The present invention relates to building field, be specifically related to the production technology of a kind of prestressed girder production platform mould and prestressed girder.
Background technology
In existing assembled architecture industry, in the manufacturing process of precast concrete, need in advance built-in fitting and reinforcing bar etc. to be positioned on bed die and fix. Especially the preparation of prestressed girder, mostly adopts long collimation method to produce. Prestressed girder is produced platform mould and is made up of side mould and bed die, the bottom of building groove at platform mould completes the laying of measurement, line, installation of embedded parts and prestress wire and beam steel cage, the prestress wire of disposable stretch-draw multistage beam, build respectively again the concrete of each section of beam, after precast beam maintenance moulding, cut off the prestress wire of each section of beam-ends, each section of beam carries out respectively the demoulding again. Because preform production platform mould is the long and dark groove of building, and the side mould of both sides stops, measures, the very inconvenience of work such as the laying of line and installation of embedded parts and prestress wire and beam steel cage in platform mould bottom, and operating efficiency is low.
Therefore need the production technology of a kind of prestressed girder production platform mould of development and Design and corresponding prestressed girder badly to solve the problems of the technologies described above.
Summary of the invention
The object of the invention is to develop the production technology of a kind of novel prestressed girder production platform mould and prestressed girder, this mould can regulate the height of bed die, can make bed die move to platform mould top, solve the technical problem of carrying out associative operation in platform mould bottom and cause inefficiency.
Above-mentioned purpose is to be achieved through the following technical solutions: a kind of prestressed girder is produced platform mould, comprise limit mould and the horizontally disposed bed die of vertical setting, described limit mould comprises the first side mould and the Second Edge mould that are oppositely arranged, described first side mould and the setting of Second Edge mould are separately positioned on the both sides of described bed die, described bed die bottom is provided with lowering or hoisting gear, and described lowering or hoisting gear is used for regulating bed die vertically to move along limit mould. When use, regulate described lowering or hoisting gear that bed die is moved straight up along limit mould, until be convenient to the laying of built-in fitting and steel strand wires, certainly, preferably concordant by moving to the end face that its end face touches with limit on bed die. So arrange, can effectively increase operating space, the work such as constructability personnel measure, the laying of line and installation of embedded parts and prestress wire and beam steel cage, increase work efficiency. In addition, by changing the relative position of bed die and limit mould, be convenient to build the prefabricated component of different size and specification.
Further, described lowering or hoisting gear comprises lift, gripper shoe and mount pad, and described gripper shoe is arranged at the bottom surface of bed die, and described mount pad is connected to described gripper shoe bottom, and described lift is connected on mount pad. So arrange, realize bed die movement at vertical direction along limit mould by operation lift. Described lift is preferably by walking mechanism, hydraulic mechanism, electric control mechanism and lead and forms, and certainly also can select other forms of lift.
Further, described prestressed girder is produced platform mould and is also comprised at least one brace table, and described brace table is arranged at the bottom surface of described bed die. The setting of brace table is mainly used in providing certain support force to bed die in the process of casting concrete, avoids bed die distortion and then causes the phenomenon of spillage to occur.
Further, described lowering or hoisting gear is arranged between described brace table. Lowering or hoisting gear and brace table all arrange the bottom with described bed die, and between described brace table, leave gap, and this gap can be used to arrange lowering or hoisting gear. So arrange, in casting process, when bed die is got back to initial position, the lowering or hoisting gear of the gap location setting between brace table also can provide certain supporting role.
Further, prestressed girder is produced platform mould and is also comprised base, and the lower end of described limit mould, lowering or hoisting gear and brace table is arranged on base. So arrange, base opposite side mould, lowering or hoisting gear and brace table play certain firm effect, and of the present invention mould is more firm.
Further, between described bed die and limit mould, be provided with seal. Because bed die relative edge mould moves at vertical direction, therefore can affect the sealing between bed die and limit mould, cause casting process to occur spillage, the setting of seal, improves the sealing between bed die and limit mould, and a kind of grouting structure is provided, reduce workload, accelerating construction progress.
Further, described seal is extrusion type sealed. So arrange, change tradition and use double faced adhesive tape to realize the mode of grouting between bed die and limit mould, effective, reusable.
Further, the sidewall of described bed die is provided with groove, and described seal is arranged in described groove. So arrange, difficult drop-off in seal setting and described groove, and also no matter how bed die changes with respect to the position of limit mould, and described seal all can be good at contacting with bed die and Bian Mo, ensures the sealing of contact site. Described seal is preferably slightly larger in diameter in the rubber strip of mounting groove, and rubber strip has good elasticity, incompressible morphotropism and corrosion resistance, and long service life and cost are low.
Further, on described limit mould and/or bed die, be provided with vibrating motor. So arrange, the bubble producing in concreting process to eliminate prefabricated component, the density of raising prefabricated component, ensures pouring quality and builds effect.
Further, also can on the mould of limit, be provided with top-pressure part, described top-pressure part one end is connected with limit mould sidewall, and the other end is connected with base. So arrange, avoid limit mould in vibration casting process along building sidesway outside groove, effectively contacting of stiffened edge mould and bed die, prevents from occurring in said process spillage phenomenon.
For achieving the above object, the present invention also provides a kind of production technology of prestressed girder, comprises the steps:
(1) laying of built-in fitting and steel strand wires: use prestressed girder described in above-mentioned any one to produce and use platform mould, regulate described lowering or hoisting gear that bed die is moved straight up along limit mould, until be convenient to the laying of built-in fitting and steel strand wires; On bed die, complete the laying operation of built-in fitting and steel strand wires;
(2) making of steel reinforcement cage;
(3) handling of steel reinforcement cage: use handling apparatus that steel reinforcement cage handling to described prestressed girder is produced to the one end with platform mould, be convenient to be laid on the described steel reinforcement cage that penetrates of steel strand wires on described bed die;
(4) wearing of steel strand wires: steel strand wires one end is penetrated in steel reinforcement cage, control handling apparatus handling steel reinforcement cage and move along platform mould, until make steel strand wires one end pass steel reinforcement cage;
(5) laying of steel reinforcement cage: the steel reinforcement cage that wears steel strand wires is laid on bed die.
(6) build moulding: regulate described lowering or hoisting gear that bed die is moved straight down along limit mould, until bed die is got back to initial position, then carry out prestressed stretch-draw and concreting, maintenance moulding;
In the production technology of precast concrete beam of the present invention, in the step of the laying of built-in fitting and steel strand wires, the application of the invention design prestressed girder produce and use platform mould, regulate described lowering or hoisting gear that bed die is moved straight up along limit mould, until be convenient to the laying of built-in fitting and steel strand wires, certainly, preferably concordant by moving to the end face that its end face touches with limit on bed die; So, can effectively increase operating space, constructability personnel measure, rule, and then in position carry out the laying of installation of embedded parts and prestress wire, have improved operating efficiency.
Further, in described step (2), be also included in the step that guide is set in steel reinforcement cage: described guide is detachably connected on described steel strand wires and treats the position through steel reinforcement cage. What adopt for steel reinforcement cage is while remaining silent stirrup, steel strand wires cannot be positioned over platform mould bottom from the opening part of stirrup, and owing to having more gap between the reinforcing bar of steel reinforcement cage, stirrup, prestress wire, through comparatively difficulty of steel reinforcement cage, needs the artificial track that steel strand wires pass of adjusting. Steel reinforcement cage arranges after guide, and in the process that wears steel strand wires, steel strand wires directly do not contact with steel reinforcement cage, and can pass rapidly steel reinforcement cage along arranging of guide, raises the efficiency.
Further, described guide is plate or pipeline, and described plate or device for cleaning pipeline are crossed hoop, pin or bolt and be connected in described steel reinforcement cage. So, in the process that wears steel strand wires, one end of steel strand wires is placed on plate or in pipeline, passes steel reinforcement cage along plate or pipeline. Hoop, pin or bolt, for fixed guide, can not relatively move guide in the process that wears steel strand wires with steel reinforcement cage. Certainly, described guide can be other devices, as bending plate etc., also can adopt other jockeys that guide is connected with steel reinforcement cage simultaneously, as a jockey, and the hoop that one end is connecting pipe, the hanging fastener of other end connecting reinforcement cage.
Further, the concrete steps of described step (4) are: adjust the sling height of steel reinforcement cage, steel strand wires one end is placed on described plate, or penetrates in described pipeline, then control handling apparatus handling steel reinforcement cage and move along platform mould, until make steel strand wires one end pass steel reinforcement cage; Unclamp connecting plate or pipeline with steel reinforcement cage hoop, pin or bolt, plate or pipeline are extracted out from steel reinforcement cage.
Further, described prestressed girder is produced the walking track that is provided with described handling apparatus with platform mould both sides ground paving, described handling apparatus comprises door type framework, suspender and movable motor, described door type base of frame is provided with pulley, described pulley is arranged in described walking track, described suspender is flexibly connected with described door type frame roof, and described movable motor is arranged on described door type framework and controls and slide along described walking rail moving. So, suspender is used for lifting by crane steel reinforcement cage, controls movable motor driving gate font framework and drives steel reinforcement cage to move, and then complete the handling work of steel reinforcement cage. Preferably, be also provided with the height of lifting motor control suspender on described door type framework, pass steel reinforcement cage simultaneously for the ease of steel strand wires, the described center line of described walking track overlaps with the center line of platform mould with prestressed girder production. Certainly, described handling apparatus can be also other forms, and as driving used conventionally, concrete form can design according to concrete operating environment.
Brief description of the drawings
The accompanying drawing that forms a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.
Fig. 1 is the generalized section of the related production prefabricated component of one embodiment of the present invention platform mould;
Fig. 2 is the generalized section that in Fig. 1, the related production prefabricated component platform mould of a kind of embodiment uses state;
In Fig. 3 and Fig. 2 related lowering or hoisting gear structural representation;
Fig. 4 is the left view of lowering or hoisting gear related in Fig. 3;
Fig. 5 is the related steel reinforcement cage handling view of one embodiment of the present invention;
Fig. 6 is the left view of steel reinforcement cage handling state related in Fig. 5;
Fig. 7 is that the related steel strand wires of one embodiment of the present invention wear rear view;
Fig. 8 is view after the laying of the related steel reinforcement cage of one embodiment of the present invention;
Fig. 9 is the left view of state after the laying of steel reinforcement cage related in Fig. 8.
In figure:
1 limit mould 2 bed die 3 lowering or hoisting gear 4 lifts
5 gripper shoe 6 lead 7 brace table 8 bases
9 seal 10 top-pressure parts 11 are built groove 12 hydraulic mechanisms
13 electric control mechanism 14 built-in fitting 15 steel strand wires 16 steel reinforcement cages
17 pipelines 18 bind round 19 walking track 20 suspenders
21 movable motor 22 door type framework 23 pulley 24 lifting motors
25 ground
Detailed description of the invention
Describe the present invention below in conjunction with accompanying drawing, the description of this part is only exemplary and explanatory, should not have any restriction to protection scope of the present invention. In addition, those skilled in the art, according to the description of presents, can carry out respective combination to the feature in embodiment in presents and in different embodiment.
The embodiment of the present invention is as follows, see figures.1.and.2, a kind of prestressed girder is produced platform mould, comprise limit mould 1 and the horizontally disposed bed die 2 of vertical setting, described limit mould 1 comprises the first side mould 1 and the Second Edge mould 1 that are oppositely arranged, described first side mould 1 and Second Edge mould 1 arrange the both sides that are separately positioned on described bed die 2, and described bed die 2 bottoms are provided with lowering or hoisting gear 3, and described lowering or hoisting gear 3 is for regulating bed die 2 vertically to move along limit mould 1. When use, regulate described lowering or hoisting gear 3 that bed die 2 is moved straight up along limit mould 1, until be convenient to the laying of built-in fitting 14 and steel strand wires 15, certainly, preferably concordant by moving to the end face that its end face touches with limit on bed die 2. So arrange, can effectively increase operating space, constructability personnel measure, line and built-in fitting 14 is installed and the work such as the laying of prestress wire 15 and beam steel cage 16, increase work efficiency. In addition, by changing the relative position of bed die 2 and limit mould 1, be convenient to build the prefabricated component of different size and specification.
On the basis of above-described embodiment, in another embodiment of the present invention, as Fig. 3 and Fig. 4, described lowering or hoisting gear 3 comprises lift 4, gripper shoe 5 and mount pad, described gripper shoe 5 is arranged at the bottom surface of bed die 2, described mount pad is connected to described gripper shoe 5 bottoms, and described lift 4 is connected on mount pad. So arrange, realize bed die 2 movement at vertical direction along limit mould 1 by operation lift 4. Described lift 4 is preferably by walking mechanism, hydraulic mechanism 12, electric control mechanism 13 and lead 6 and forms, and certainly also can select other forms of lift 4.
On the basis of above-described embodiment, in another embodiment of the present invention, as Fig. 1 and Fig. 2, described prestressed girder is produced platform mould and is also comprised at least one brace table 7, and described brace table 7 is arranged at the bottom surface of described bed die 2. The setting of brace table 7 is mainly used in providing certain support force to bed die 2 in the process of casting concrete, avoids bed die 2 to be out of shape and then causes the phenomenon of spillage to occur.
On the basis of above-described embodiment, in another embodiment of the present invention, as Fig. 9, described lowering or hoisting gear 3 is arranged between described brace table 7. Lowering or hoisting gear 3 and brace table 7 all arrange the bottom with described bed die 2, and between described brace table 7, leave gap, and this gap can be used to arrange lowering or hoisting gear 3. So arrange, in casting process, when bed die 2 is got back to initial position, the lowering or hoisting gear 3 of the gap location setting between brace table 7 also can provide certain supporting role.
On the basis of above-described embodiment, in another embodiment of the present invention, as Fig. 1 and Fig. 2, prestressed girder is produced platform mould and is also comprised base 8, and the lower end of described limit mould 1, lowering or hoisting gear 3 and brace table 7 is arranged on base 8. So arrange, base 8 opposite side moulds 1, lowering or hoisting gear 3 and brace table 7 play certain firm effect, and of the present invention mould is more firm.
On the basis of above-described embodiment, in another embodiment of the present invention, as Fig. 1, between described bed die 2 and limit mould 1, be provided with seal 9. Because bed die 2 relative edge's moulds 1 move at vertical direction, therefore can affect the sealing between bed die 2 and limit mould 1, cause casting process to occur spillage, the setting of seal 9, improves the sealing between bed die 2 and limit mould 1, and a kind of grouting structure is provided, reduce workload, accelerating construction progress.
On the basis of above-described embodiment, in another embodiment of the present invention, described seal 9 is extrusion type sealed. So arrange, change tradition and use double faced adhesive tape to realize the mode of grouting between bed die 2 and limit mould 1, effective, reusable.
On the basis of above-described embodiment, in another embodiment of the present invention, as Fig. 1, the sidewall of described bed die 2 is provided with groove, and described seal 9 is arranged in described groove. So arrange, seal 9 arranges and the interior difficult drop-off of described groove, and no matter how bed die 2 changes with respect to the position of limit mould 1, and described seal 9 all can be good at contacting with bed die 2 and Bian Mo 1, ensures the sealing of contact site. Described seal 9 is preferably slightly larger in diameter in the rubber strip of mounting groove, and rubber strip has good elasticity, incompressible morphotropism and corrosion resistance, and long service life and cost are low.
On the basis of above-described embodiment, in another embodiment of the present invention, on described limit mould 1 and/or bed die 2, be provided with vibrating motor. So arrange, the bubble producing in concreting process to eliminate prefabricated component, the density of raising prefabricated component, ensures pouring quality and builds effect.
On the basis of above-described embodiment, in another embodiment of the present invention, as Fig. 1, also can on limit mould 1, be provided with top-pressure part 10, described top-pressure part 10 one end are connected with limit mould 1 sidewall, and the other end is connected with base 8. So arrange, avoid limit mould 1 in vibration casting process along building the outer sidesway of groove 11, effectively contacting of stiffened edge mould 1 and bed die 2, prevents from occurring in said process spillage phenomenon.
For achieving the above object, the present invention also provides a kind of production technology of prestressed girder, as Fig. 1～9, comprises the steps:
(1) laying of built-in fitting 14 and steel strand wires 15: use prestressed girder described in above-mentioned any one to produce and use platform mould, regulate described lowering or hoisting gear 3 that bed die 2 is moved straight up along limit mould 1, until be convenient to the laying of built-in fitting 14 and steel strand wires 15; On bed die 2, complete the laying operation of built-in fitting 14 and steel strand wires 15;
(2) making of steel reinforcement cage 16;
(3) handling of steel reinforcement cage 16: use handling apparatus that steel reinforcement cage 16 handlings to described prestressed girder is produced to the one end with platform mould, be convenient to be laid on the described steel reinforcement cage 16 that penetrates of steel strand wires 15 on described bed die 2;
(4) wearing of steel strand wires 15: steel strand wires 15 one end are penetrated in steel reinforcement cage 16, control handling apparatus handling steel reinforcement cage 16 and move along platform mould, until make steel strand wires 15 one end pass steel reinforcement cage 16;
(5) laying of steel reinforcement cage 16: the steel reinforcement cage 16 that wears steel strand wires 15 is laid on bed die 2.
(6) build moulding: regulate described lowering or hoisting gear 3 that bed die 2 is moved straight down along limit mould 1, until bed die 2 is got back to initial position, then carry out prestressed stretch-draw and concreting, maintenance moulding;
It should be noted that, it will be appreciated by those skilled in the art that described step (2) can carry out before or after step (1), also can carry out with step (1) simultaneously.
In the production technology of precast concrete beam of the present invention, in the step of the laying of built-in fitting 14 and steel strand wires 15, the prestressed girder of the application of the invention design is produced and is used platform mould, regulate described lowering or hoisting gear 3 that bed die 2 is moved straight up along limit mould 1, until be convenient to the laying of built-in fitting 14 and steel strand wires 15, certainly, preferably concordant by moving to the end face that its end face touches with limit on bed die 2; So, can effectively increase operating space, constructability personnel measure, rule, and then in position carry out that built-in fitting 14 is installed and the laying of prestress wire 15, have improved operating efficiency.
On the basis of above-described embodiment, in another embodiment of the present invention, in described step (2), be also included in the step that guide is set in steel reinforcement cage 16: described guide is detachably connected on described steel strand wires 15 and treats the position through steel reinforcement cage 16. What adopt for steel reinforcement cage 16 is while remaining silent hoop 18 muscle, steel strand wires 15 cannot be positioned over platform mould bottom from binding round the opening part of 18 muscle, and owing to having more gap between the reinforcing bar of steel reinforcement cage 16, hoop 18 muscle, prestress wire 15, through comparatively difficulty of steel reinforcement cage 16, needs the artificial track that steel strand wires 15 pass of adjusting. Steel reinforcement cage 16 arranges after guide, and wearing in the process of steel strand wires 15, steel strand wires 15 directly do not contact with steel reinforcement cage 16, and can, along the arranging rapidly through steel reinforcement cage 16 of guide, raise the efficiency.
On the basis of above-described embodiment, in another embodiment of the present invention, as Fig. 5 and Fig. 6, described guide is plate or pipeline 17, described plate or pipeline 17 by binding round 18, pin or bolt be connected in described steel reinforcement cage 16. So, wearing in the process of steel strand wires 15, one end of steel strand wires 15 be placed on plate or pipeline 17 in, along plate or pipeline 17 through steel reinforcement cage 16. Hoop 18, pin or bolt, for fixed guide, can not relatively move guide in the process that wears steel strand wires 15 with steel reinforcement cage 16. Certainly, described guide can be other devices, as bending plate etc., also can adopt other jockeys that guide is connected with steel reinforcement cage 16 simultaneously, and as a jockey, one end is the hoop 18 of connecting pipe 17, the hanging fastener of other end connecting reinforcement cage 16.
On the basis of above-described embodiment, in another embodiment of the present invention, as Fig. 7, the concrete steps of described step (4) are: the sling height of adjusting steel reinforcement cage 16, steel strand wires 15 one end are placed on described plate, or penetrate in described pipeline 17, then control handling apparatus handling steel reinforcement cage 16 and move along platform mould, until make steel strand wires 15 one end pass steel reinforcement cage 16; Unclamp binding round 18, sell or bolt with steel reinforcement cage 16 of connecting plate or pipeline 17, plate or pipeline 17 are extracted out from steel reinforcement cage 16.
On the basis of above-described embodiment, in another embodiment of the present invention, as Fig. 5～7, described prestressed girder is produced the walking track 19 that is equipped with described handling apparatus with ground, platform mould both sides 25, described handling apparatus comprises door type framework 22, suspender 20 and movable motor 21, described door type framework 22 bottoms are provided with pulley 23, described pulley 23 is arranged in described walking track 19, described suspender 20 is connected with described door type framework 22 top movable, and described movable motor 21 is arranged on described door type framework 22 and controls to slide and move along described walking track 19. So, suspender 20, for lifting by crane steel reinforcement cage 16, is controlled movable motor 21 driving gate font frameworks 22 and is driven steel reinforcement cage 16 to move, and then complete the handling work of steel reinforcement cage 16. Preferably, on described door type framework 22, be also provided with lifting motor 24 and control the height of suspender 20, simultaneously for the ease of steel strand wires 15 through steel reinforcement cage 16, the described center line of described walking track 19 overlaps with the center line of platform mould with prestressed girder production. Certainly, described handling apparatus can be also other forms, and as driving used conventionally, concrete form can design according to concrete operating environment.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. prestressed girder is produced a platform mould, comprises limit mould and the horizontally disposed bed die of vertical setting, itsBe characterised in that, described limit mould comprises the first side mould and the Second Edge mould that are oppositely arranged, described first side mould andTwo limit mould settings are separately positioned on the both sides of described bed die, and described bed die bottom is provided with lowering or hoisting gear, described inLowering or hoisting gear is used for regulating bed die vertically to move along limit mould.
2. prestressed girder according to claim 1 is produced platform mould, it is characterized in that described lowering or hoisting gearComprise lift, gripper shoe and mount pad, described gripper shoe is arranged at the bottom surface of bed die, and described mount pad connectsBe connected on described gripper shoe bottom, described lift is connected on mount pad.
3. prestressed girder according to claim 1 is produced platform mould, it is characterized in that described prestressed girderProduce platform mould and also comprise at least one brace table, described brace table is arranged at the bottom surface of described bed die.
4. prestressed girder according to claim 3 is produced platform mould, it is characterized in that described lowering or hoisting gearBe arranged between described brace table.
5. produce platform mould according to the prestressed girder described in claim 1～4 any one, it is characterized in that instituteState between bed die and limit mould and be provided with seal.
6. a production technology for prestressed girder, is characterized in that, comprises the steps:
(1) laying of built-in fitting and steel strand wires: right to use requires the prestressed girder described in 1～5 any oneProduce platform mould, regulate described lowering or hoisting gear that bed die is moved straight up along limit mould, until be convenient to built-in fittingLaying with steel strand wires; On bed die, complete the laying operation of built-in fitting and steel strand wires;
(2) making of steel reinforcement cage;
(3) handling of steel reinforcement cage: use handling apparatus that steel reinforcement cage handling to described prestressed girder is produced to platform mouldOne end, be convenient to be laid on the described steel reinforcement cage that penetrates of steel strand wires on described bed die;
(4) wearing of steel strand wires: steel strand wires one end is penetrated in steel reinforcement cage, control handling apparatus handling reinforcing barCage moves along platform mould, until make steel strand wires one end pass steel reinforcement cage;
(5) laying of steel reinforcement cage: the steel reinforcement cage that wears steel strand wires is laid on bed die.
(6) prestressed stretch-draw and concreting maintenance: regulate described lowering or hoisting gear to make bed die perpendicular along limit mouldDirectly move down, until bed die is got back to initial position, then carry out prestressed stretch-draw and concreting maintenance.
7. the production technology of prestressed girder according to claim 6, is characterized in that, described step (2)In be also included in the step that guide is set in steel reinforcement cage: described guide is detachably connected on described steel strand wiresTreat the position through steel reinforcement cage.
8. the production technology of prestressed girder according to claim 7, is characterized in that, described guideFor plate or pipeline, described plate or device for cleaning pipeline are crossed hoop, pin or bolt and are connected in described steel reinforcement cage.
9. the production technology of prestressed girder according to claim 8, is characterized in that, described step (4)Concrete steps be: adjust the sling height of steel reinforcement cage, steel strand wires one end be placed on described plate, or wearEnter in described pipeline, then control handling apparatus handling steel reinforcement cage and move along the long axis direction of platform mould, until makeSteel strand wires one end passes steel reinforcement cage; Unclamp hoop, pin or bolt that described plate or pipeline are connected with steel reinforcement cage,Described plate or pipeline are extracted out from steel reinforcement cage.
10. according to the production technology of the prestressed girder described in claim 6～9 any one, it is characterized in that,Described prestressed girder production platform mould both sides ground paving is provided with the walking track of described handling apparatus, described handling dressPut and comprise door type framework, suspender and movable motor, described door type base of frame is provided with pulley, described cunningWheel is arranged in described walking track, and described suspender is flexibly connected with described door type frame roof, described rowWalking motor is arranged on described door type framework and controls and slide along described walking rail moving.
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| CN201510991134.9A CN105599134A (en) | 2015-12-24 | 2015-12-24 | Prestressed beam production bench formwork and prestressed beam production technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113524399A (en) * | 2020-04-13 | 2021-10-22 | 武汉城市职业学院 | Movable prefabricated hollow slab beam base |
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| CN203110097U (en) * | 2012-12-06 | 2013-08-07 | 中铁六局集团有限公司 | Mould of prefabricated concrete box girder |
| CN104631302A (en) * | 2015-02-13 | 2015-05-20 | 济南轨道交通集团有限公司 | Perforated thin-wall precast channel beam for rail transit and precast method of perforated thin-wall precast channel beam for rail transit |
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| CN102699997A (en) * | 2012-06-08 | 2012-10-03 | 中铁十九局集团第六工程有限公司 | Longitudinal post-tensioned prestressed beam moving system and method |
| CN102808414A (en) * | 2012-08-24 | 2012-12-05 | 天津市建筑科学研究院有限公司 | Bonded post-tensioned prestressed anchoring construction method for cast-in-place concrete structure |
| CN203110097U (en) * | 2012-12-06 | 2013-08-07 | 中铁六局集团有限公司 | Mould of prefabricated concrete box girder |
| CN104631302A (en) * | 2015-02-13 | 2015-05-20 | 济南轨道交通集团有限公司 | Perforated thin-wall precast channel beam for rail transit and precast method of perforated thin-wall precast channel beam for rail transit |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113524399A (en) * | 2020-04-13 | 2021-10-22 | 武汉城市职业学院 | Movable prefabricated hollow slab beam base |
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