CN112873487B

CN112873487B - Production method of T-shaped beam, small box beam and segment piece heavy prefabricated part

Info

Publication number: CN112873487B
Application number: CN202110077906.3A
Authority: CN
Inventors: 谢少明; 刘传兵; 冉贤佐
Original assignee: Guangdong Yuli Prefabricated Components Co ltd
Current assignee: Guangdong Yuli Prefabricated Components Co ltd
Priority date: 2021-01-20
Filing date: 2021-01-20
Publication date: 2022-07-22
Anticipated expiration: 2041-01-20
Also published as: CN112873487A

Abstract

The invention belongs to the technical field of building component production, and particularly relates to a production method of a T-shaped beam, a small box beam and a segment piece heavy prefabricated component, which comprises the following steps: processing a reinforcing steel bar frame; a hydraulic fixed splicing external mold, a bottom plate, a reinforcing steel bar frame and an internal mold are arranged on the movable pedestal; pouring concrete to form a heavy prefabricated part, and maintaining the heavy prefabricated part; removing the hydration heat movable maintenance shed, dismantling the template, penetrating a steel strand and tensioning; the movable pedestal is pulled to maintain until the concrete strength reaches 100%; dragging a movable pedestal, moving out the heavy prefabricated part for maintenance, tensioning the heavy prefabricated part to 100%, and then grouting and sealing the heavy prefabricated part; the heavy prefabricated part is loaded into a transport vehicle for outward transportation by hoisting the heavy prefabricated part to perform the post-process; at the same time, the empty movable pedestal is transferred to a position for continuously executing the steps. The production method can make full use of production fields, and further can greatly improve the production efficiency of the heavy prefabricated part.

Description

Production method of T-shaped beam, small box beam and segment piece heavy prefabricated part

Technical Field

The invention belongs to the technical field of building component production, and particularly relates to a production method of a T-shaped beam, a small box beam and a segment piece heavy prefabricated component.

Background

The production of current heavy prefabricated parts (e.g. T-beams, box beams, segment sheets, etc.) presents the following problems: firstly, the production environment is open-air production, the quality is influenced or the production cannot be carried out completely in rainy days due to the restriction of weather, the ultraviolet rays are strong in summer days, the temperature is high, workers are easy to sunburn and sunstroke, and the production efficiency is low; secondly, the pedestal is designed to be a fixed structure, so that the next round of operation can be carried out only after 7 days, which wastes the field; thirdly, the outer mold is connected with the ground in a movable structure, so that when the outer mold is assembled and disassembled, the gantry crane is high in use frequency, and the templates occupy more positions for storage; fourthly, the maintenance mode adopts common water spraying or covering maintenance, which causes uneven maintenance and partial failure.

Disclosure of Invention

The invention aims to provide a method for producing a T-shaped beam, a small box beam and a segment heavy prefabricated part, and aims to solve at least one technical problem in the production of the heavy prefabricated part in the prior art.

In order to achieve the above object, an embodiment of the present invention provides a method for producing a T-beam, a box beam, and a segment piece heavy prefabricated component, including the following steps:

s100: performing longitudinal bar processing to process the reinforcing steel bars to form a reinforcing steel bar frame;

s200: installing a hydraulic fixed splicing outer die on the side of the movable pedestal, hoisting a bottom plate and a multi-plate steel bar frame on the movable pedestal, placing the inner die in place, and hoisting a top plate steel bar frame;

s300: pouring concrete on the movable pedestal under the covering of the distributing machine to form a heavy prefabricated part, and covering a hydration heat movable maintenance shed to maintain the heavy prefabricated part;

s400: after the hydration heat movable maintenance shed maintains the heavy prefabricated parts for 12 hours, the hydration heat movable maintenance shed is removed, the hydraulic fixed splicing external mold and the internal mold are dismantled, and steel strands are threaded and tensioned on the heavy prefabricated parts;

s500: drawing the movable pedestal, and transferring the heavy prefabricated part into a steam curing chamber or a hydration heat movable curing shed for curing until the concrete strength of the heavy prefabricated part reaches 100%;

s600: drawing the movable pedestal, moving the heavy prefabricated parts out of the steam curing room or the hydration heat movable curing shed, tensioning the heavy prefabricated parts to 100%, and then grouting and sealing the heavy prefabricated parts;

s700: taking the heavy prefabricated part by a gantry crane to execute a post-process until the heavy prefabricated part is loaded into a transport vehicle for outward transportation; at the same time, the empty movable base is transferred to a position where the steps S200 to S600 are continuously performed.

Optionally, in the step S400, the heavy prefabricated components are maintained in the hydration heat mobile maintenance shed until the concrete strength of the heavy prefabricated components reaches 85%, and the heavy prefabricated components are tensioned to 50%.

Optionally, the post-process comprises: the heavy prefabricated parts on the movable pedestal are hoisted and collected for storage through a gantry crane, then the heavy prefabricated parts which are collected for storage are hoisted to a position to be loaded with a vehicle through the gantry crane, and finally the heavy prefabricated parts are loaded into a transport vehicle for outward transportation.

Alternatively, the production method is performed on a mobile production line of heavy prefabricated parts, the mobile production line comprises a shed area and an open area which are arranged side by side, the steps S100 to S500 are performed in the shed area, and the steps S600 to S700 are performed in the open area.

Optionally, the shed area is sequentially provided with a longitudinal rib processing area, a heavy prefabricated component production area and an interlayer area along a direction, the step S100 is performed in the longitudinal rib processing area, the steps S200 to S400 are performed in the heavy prefabricated component production area, and the step S500 is performed in the interlayer area;

the open air area is sequentially provided with a tensioning area, a beam storage area and a loading area along one direction, the step S600 is executed in the tensioning area, and the step S700 is executed in the beam storage area and the loading area.

Optionally, in step S700, the moving platform after the heavy prefabricated component is removed is hoisted to the shed area by a gantry crane, and then the moving platform is moved to a driving range in the shed area, and finally the moving platform is moved to the heavy prefabricated component production area by a driving vehicle.

Optionally, the interlayer region includes an interlayer lower region and an interlayer upper region, the step S500 is performed in the interlayer lower region, the interlayer upper region is used for stacking the reinforcing steel bars and the internal molds, the reinforcing steel bars are transferred to the longitudinal bar processing region by a travelling crane, and the internal molds are transferred to the heavy prefabricated part production region by the travelling crane.

Optionally, a cargo channel is further arranged between the longitudinal bar processing area and the heavy prefabricated part production area.

Optionally, the removal pedestal includes prelude pedestal main part and afterbody pedestal main part, prelude pedestal main part with arrange side by side and can realize dismantling the connection through connecting device between the afterbody pedestal main part along length direction, prelude pedestal main part with the bottom of afterbody pedestal main part all is provided with at least two and arranges and play the running gear who makes things convenient for the removal effect along length direction interval.

Optionally, the fixed concatenation external mold of fluid pressure type includes side die carrier and at least one dress and tears off mould drive arrangement, it includes unable adjustment base, vertical hydraulic drive mechanism and horizontal hydraulic drive mechanism to install and remove mould drive arrangement, unable adjustment base is used for fixed mounting subaerial, horizontal hydraulic drive mechanism install in unable adjustment base is last, vertical hydraulic drive mechanism with horizontal hydraulic drive mechanism's output is connected and can warp horizontal hydraulic drive mechanism's drive and realize the removal of horizontal direction, the side die carrier with vertical hydraulic drive mechanism's output is connected and can warp vertical hydraulic drive mechanism's drive and realize the removal of vertical direction.

One or more technical schemes in the production method of the T-shaped beam, the small box beam and the segment piece heavy prefabricated part provided by the embodiment of the invention at least have one of the following technical effects: the heavy prefabricated part is produced by a production line type production mode, particularly, the used movable pedestal can be moved, so that after concrete is poured on the movable pedestal to form the heavy prefabricated part, the heavy prefabricated part can be transferred to a proper working area to be processed by corresponding procedures by moving the movable pedestal, the processed heavy prefabricated part is taken and transferred to subsequent procedures by a gantry crane, and the unloaded movable pedestal is transferred to a position for continuously executing the work required by the movable pedestal. So, need not wait for, perhaps only need wait for the operation that the heavy prefabricated component of next round can be carried out to the time of extremely short, place make full use of, production efficiency is high.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the embodiments or the prior art description will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings may be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic structural diagram of an embodiment of a movable stage according to the present invention.

Fig. 2 is a schematic structural diagram of another embodiment of the movable stage according to the present invention.

Fig. 3 is a schematic structural diagram of the header pedestal main body according to the present invention.

Fig. 4 is a structural schematic diagram of a steel bar structure of the header pedestal body according to the present invention.

Fig. 5 is a sectional view of the head stage body according to the present invention at a position corresponding to the connecting means.

Fig. 6 is a sectional view of the head stage body according to the present invention at a position corresponding to the traveling device.

Fig. 7 is a flow chart of a production method of the T-beam, the small box beam and the segment piece heavy prefabricated part provided by the invention.

Fig. 8 is a schematic diagram of a production method of the T-beam, the small box beam and the segment piece heavy prefabricated part provided by the invention.

Fig. 9 is a plan view of a mobile production line of heavy prefabricated parts provided by the present invention.

FIG. 10 is a schematic view of the application of the hydraulic fixed splicing outer die provided by the invention.

Fig. 11 is a schematic structural view of a hydraulic fixed splicing outer die provided by the invention.

Fig. 12 is a schematic structural view of a die assembly and disassembly driving device of a hydraulic fixed splicing external die provided by the invention.

Wherein, in the figures, the respective reference numerals:

a-shed area B-open area C-concrete mixing station

D-concrete trailer pump 1-longitudinal bar processing area 2-heavy prefabricated part production area

3-interlayer zone 3 a-interlayer lower zone 3 b-interlayer upper zone

4-tension area 5-beam storage area 6-loading area

7-cargo channel 10-head pedestal main body 11-wedge-shaped block preformed groove

12-hoisting rope perforation 13-steel bar framework 14-wheel groove

15-galvanized metal corrugated pipe 16-steel strand 20-tail pedestal main body

30-middle part pedestal main body 40-connecting steel plate 50-steel plate groove

51-first L-shaped block 52-second L-shaped block 53-tank bottom connecting block

54-accommodating cavity 60-steel plate frame 61-transverse block

62-vertical block 70-road wheel 80-wheel carrier

100-connecting device 200-running gear 300-track

400-side rubber gasket 500-bottom rubber gasket 600-fastener

601-sleeve nut 602-bolt 700-side mold frame

800-assembling and disassembling die driving device 810-fixed base 811-fixed beam

812-guide rail 820-vertical hydraulic driving mechanism 821-vertical hydraulic jack

822-support beam 830-horizontal hydraulic driving mechanism 831-horizontal hydraulic jack

832-sliding seat 8321-sliding chute.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to fig. 1-9 are exemplary and intended to be illustrative of the embodiments of the invention and should not be construed as limiting the invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.

In an embodiment of the present invention, as shown in fig. 7 to 8, there is provided a method for producing a T-beam, box beam, segment sheet heavy prefabricated member, including the steps of:

s200: installing a hydraulic type fixed splicing external mold on the side of the movable pedestal, hoisting a bottom plate and a compound plate reinforcing steel bar frame on the movable pedestal, positioning the internal mold, and hoisting a top plate reinforcing steel bar frame;

s300: pouring concrete on the movable pedestal under the covering of the distributing machine to form a heavy prefabricated part, and covering a hydration heat movable maintenance shed to maintain the heavy prefabricated part; compared with the traditional pedestal fixed on the bottom surface, the movable pedestal can be moved, has excellent flexibility, can effectively adapt to different production areas, and more importantly, can effectively execute work back and forth in a plurality of working procedures, so that production is seamlessly connected, the intermediate waiting time is reduced, and the production efficiency is greatly improved;

s400: after the hydration heat movable maintenance shed maintains the heavy prefabricated parts for 12 hours, the hydration heat movable maintenance shed is removed, the hydraulic fixed splicing outer die and the hydraulic fixed splicing inner die are dismantled, and steel strands are threaded through the heavy prefabricated parts and tensioned; the step realizes the initial maintenance and the initial tensioning of the heavy prefabricated component; s500: drawing the movable pedestal, and transferring the heavy prefabricated part into a steam curing chamber or a hydration heat movable curing shed for curing until the concrete strength of the heavy prefabricated part reaches 100%; the step realizes the further maintenance of the heavy prefabricated component to ensure that the concrete strength of the heavy prefabricated component reaches 100 percent;

s600: drawing the movable pedestal, moving the heavy prefabricated parts out of the steam curing room or the hydration heat movable curing shed, tensioning the heavy prefabricated parts to 100%, and then grouting and sealing the heavy prefabricated parts; the step realizes the further tensioning of the heavy prefabricated component and enables the tensioning value to obtain 100%, the maintenance of the heavy prefabricated component is more uniform, and all positions are more balanced and in place; simultaneously, grouting and end sealing are carried out on two ends of the heavy prefabricated component, so that the heavy prefabricated component is completely processed;

s700: taking the heavy prefabricated part by a gantry crane to execute a post-process until the heavy prefabricated part is loaded into a transport vehicle for outward transportation; at the same time, the empty movable base is transferred to a position where the steps S200 to S600 are continuously performed. That is, after the heavy prefabricated component on the mobile pedestal is lifted and transferred by the gantry crane, the mobile pedestal is empty, and at this time, because the mobile pedestal is designed to be a mobile structure, the empty mobile pedestal can be moved and placed in the area where step S200 is performed for processing, and then step S300, step S400, step S500 and step S600 are performed subsequently. Therefore, waiting is not needed or almost not needed between processing rounds, continuous inertia operation is achieved, the production field is fully utilized, and the production efficiency is high.

Further, the production method of the T-beam, the small box beam and the segment piece heavy prefabricated part provided by the embodiment of the invention is explained as follows: the heavy prefabricated parts are produced by a production line type production mode, particularly, the used movable pedestal can be moved, so that after concrete is poured on the movable pedestal to form the heavy prefabricated parts, the heavy prefabricated parts can be transferred to a proper working area to be processed in a corresponding procedure by moving the movable pedestal, the processed heavy prefabricated parts are taken and transferred to a subsequent procedure by a gantry crane, and the unloaded movable pedestal is transferred to a position where the operation required by the movable pedestal is continuously executed. So, need not wait for, perhaps only need wait for the operation that the heavy prefabricated component of next round can be carried out to the time of extremely short, place make full use of, production efficiency is high.

It should be noted that the method for producing the T-beam, the small box beam and the segment piece heavy prefabricated component provided by the embodiment of the invention is not only suitable for producing the T-beam, the small box beam and the segment piece heavy prefabricated component, but also suitable for producing other heavy prefabricated components similar to the T-beam, the small box beam and the segment piece heavy prefabricated component.

In this embodiment, further, in the step S400, the heavy prefabricated components are maintained in the hydration heat movement maintenance shed until the concrete strength of the heavy prefabricated components reaches 85%, and the heavy prefabricated components are tensioned to 50%. Specifically, in the primary oxidation of the heavy prefabricated component, the concrete strength of the heavy prefabricated component reaches 85% at best, and thus, the concrete strength of the heavy prefabricated component reaches 100% in the subsequent further maintenance. Such maintenance mode is different from traditional ordinary water spray or adds the maintenance of covering completely, can ensure more even to heavy prefabricated component maintenance, and each position is more balanced and target in place.

Also, the initial tension of the heavy prefabricated parts is preferably 50%.

In this embodiment, the post-process further includes: the heavy prefabricated parts on the movable pedestal are hoisted and collected for storage through a gantry crane, then the heavy prefabricated parts which are collected for storage are hoisted and collected to a position to be loaded through the gantry crane, and finally the heavy prefabricated parts are loaded into a transport vehicle for outward transportation. In the post process, the heavy prefabricated parts are stored in a centralized mode, then the heavy prefabricated parts are hoisted to the position to be loaded, and finally the heavy prefabricated parts are loaded, so that the heavy prefabricated parts can be guaranteed to be orderly stored and transported, the production efficiency is improved, and the damage to the heavy prefabricated parts is reduced.

In this embodiment, as shown in fig. 8 to 9, the production method is performed on a mobile production line of a heavy prefabricated component, the mobile production line includes a shed area a and an open air area B arranged side by side, the steps S100 to S500 are performed in the shed area a, and the steps S600 to S700 are performed in the open air area B. Specifically, the steps S100 to S500 are performed in the shelter area a, so that the method is not limited by weather, is not affected even in rainy days, can effectively ensure quality or productivity, is not prone to sunburn even in strong ultraviolet and high temperature, avoids heatstroke, and can also improve production efficiency; the steps S600 to S700 are executed in the open air area B, which is also beneficial to the production efficiency, the steps S600 to S700 have less manual operation, the heavy prefabricated components are basically formed, the influence of environmental factors on the heavy prefabricated components is extremely small, the arrangement of a gantry crane can be more beneficial in the open air area B, and the gantry crane can be more fully utilized to execute and process the post-processes on the heavy prefabricated components.

In this embodiment, as shown in fig. 8 to 9, a longitudinal rib processing area 1, a heavy prefabricated component production area 2 and an interlayer area 3 are sequentially disposed in the greenhouse area a along a direction, the step S100 is performed in the longitudinal rib processing area 1, the steps S200 to S400 are performed in the heavy prefabricated component production area 2, and the step S500 is performed in the interlayer area 3. Specifically, through the reasonable and orderly position layout of the longitudinal rib processing area 1, the heavy prefabricated part production area 2 and the interlayer area 3, the execution of the steps S100 to S500 is more orderly, the disorder of production procedures is avoided, and the production efficiency is improved.

As shown in fig. 8 to 9, a tensioning area 4, a beam storage area 5 and a loading area 6 are sequentially arranged in the open air area B along a direction, the step S600 is performed in the tensioning area 4, the beam storage area 5 and the loading area 6, and the step S700 is performed in the beam storage area 5 and the loading area 6. In a similar way, the execution of the steps S600-S700 is more orderly through reasonable and orderly position layout, and the storage and transportation of the heavy prefabricated components are improved.

In this embodiment, as shown in fig. 8, in step S700, the movable table base after the heavy prefabricated component is removed is hoisted to the shelter area a by a gantry crane, then the movable table base is moved to a driving range in the shelter area a, and finally the movable table base is moved to the heavy prefabricated component production area 2 by a driving crane. Specifically, in the step S700, the empty-load movable pedestal is firstly hoisted to the shed area a by the gantry crane in the open area B, then the empty-load movable trolley behind the shed area a is pulled to the working range of the traveling crane in the shed area a, and finally the empty-load movable pedestal is transferred to the heavy prefabricated component production area 2 by the traveling crane, so that the empty-load movable pedestal is well-ordered, the gantry crane in the open area B and the traveling crane in the shed area a are fully utilized, the empty-load time of the movable pedestal is reduced, the multi-wheel production of the heavy prefabricated component is realized, the waiting time is reduced, the field is fully utilized, and the production efficiency is improved.

In this embodiment, as shown in fig. 8, the interlayer region 3 includes an interlayer lower region 3a and an interlayer upper region 3b, the step S500 is performed in the interlayer lower region 3a, the interlayer upper region 3b is used for stacking the reinforcing steel bars and the inner mold, the reinforcing steel bars are transferred to the longitudinal bar processing region 1 by a travelling crane, and the inner mold is transferred to the heavy prefabricated component production region 2 by a travelling crane. Specifically, in the sandwiched region 3, the step S500 is performed using the sandwiched lower region 3a thereof, i.e., further curing of the heavy prefabricated member is performed at the sandwiched lower region 3 a. Meanwhile, an interlayer upper area 3b is formed in the interlayer area 3, the interlayer upper area 3b can be used for storing reinforcing steel bars and an inner mold, when the reinforcing steel bars need to be used, the reinforcing steel bars can be transferred to the longitudinal bar processing area 1 through a travelling crane in the shed area A for processing, and when the inner mold needs to be used, the reinforcing steel bars can be transferred to the heavy prefabricated part production area 2 through the travelling crane for installation, so that concrete pouring work can be carried out. In this embodiment, through reasonable layout interlayer region 3, make full use of production place on the one hand, on the other hand lets to be more similar between district and the district, is favorable to the operation of the driving that sets up in canopy district A.

In this embodiment, as shown in fig. 8 to 9, a cargo channel 7 is further disposed between the longitudinal rib processing area 1 and the heavy prefabricated component production area 2. The arrangement of the feeding channel 7 can be used for transferring and transferring the reinforcing steel bar frame, the reinforcing steel bars and the internal mold, for example, a travelling crane can transfer the reinforcing steel bars to the longitudinal bar processing area 1 through the feeding channel 7 for processing, the processed reinforcing steel bar frame can be moved to the heavy prefabricated part production area 2 through the feeding channel 7, and the internal mold can be transferred to the longitudinal bar processing area 1 through the feeding channel 7 for installation. Of course, the cargo channel 7 is also communicated with the outside of the shed area a, and external cargoes can be transferred to the longitudinal rib processing area 1 or heavy prefabricated component production through the cargo channel 7 by a crane.

In this embodiment, further, as shown in fig. 8, the mobile production line further includes a concrete mixing station C and a concrete trailer pump D, the concrete mixing station C and the concrete trailer pump D are all disposed outside the shed area a, and the concrete mixing station C, the concrete trailer pump D and the material distributor are sequentially connected through a pipeline. Specifically, the concrete mixing station C is used for producing concrete, pumping the concrete into the distributing machine under the power of the concrete trailer pump D, and finally pouring concrete on the movable pedestal through the distributing machine to form a heavy prefabricated part.

In this embodiment, further, the mobile pedestal includes a head pedestal main body 10 and a tail pedestal main body 20, the head pedestal main body 10 and the tail pedestal main body 20 are arranged side by side along the length direction and can be detachably connected through a connecting device 100, and the bottom of the head pedestal main body 10 and the bottom of the tail pedestal main body 20 are provided with at least two walking devices 200 which are arranged at intervals along the length direction and have a function of facilitating movement. The head pedestal main body 10 and the tail pedestal main body 20 can be connected together through the connecting device 100, so that the length of the spliced pedestals can be determined according to the actual use requirement, and the production of precast beams with different specifications and sizes can be adapted; in addition, the pedestal that splices into can utilize running gear 200 that the bottom of prelude pedestal main part 10 and afterbody pedestal main part 20 set up to promote the pedestal along the rail-engaging that sets for, and the transform of nimble adaptation production place can normally be ploughed again in the production place later stage, reduces the waste of resource.

In another embodiment of the present invention, as shown in fig. 5, the connecting device 100 includes two connecting steel plates 40 and four steel plate grooves 50, two side surfaces of the adjacent ends of the head portion pedestal body 10 and the tail portion pedestal body 20 are respectively provided with one steel plate groove 50, two steel plate grooves 50 of the side surfaces of the adjacent ends of the head portion pedestal body 10 and the tail portion pedestal body 20 jointly receive one connecting steel plate 40, and the connecting steel plate 40 is locked to the steel plate grooves 50 by a plurality of fasteners 600. Specifically, the connection of the head table main body 10 and the tail table main body 20 is achieved by receiving a connecting steel plate 40 in common in two of the steel plate grooves 50 of the adjacent ends and the adjacent sides of the head table main body 10 and the tail table main body 20, and then locking the connecting steel plate 40 in the steel plate grooves 50 by using the fasteners 600. When disassembly is subsequently required, the connection between the head base body 10 and the tail base body 20 can be released by loosening the fastener 600 and taking out the connecting steel plate 40, and the disassembly and assembly operations are very convenient.

In another embodiment of the present invention, as shown in fig. 4, the leading table base body 10 and the trailing table base body 20 are both formed by casting concrete on the steel reinforcement structure 13 and the steel plate groove 50 is welded to the steel reinforcement structure 13 and anchored in the concrete by adding welding steel bars. The steel plate groove 50 thus defined is formed with the head table main body 10 and the tail table main body 20, and the connection is firm, and the stability and reliability can be sufficiently secured.

In another embodiment of the present invention, as shown in fig. 5, the fastening member 600 includes a sleeve nut 601 and a bolt 602, the sleeve nut 601 is welded to the steel plate groove 50, and the bolt 602 passes through the connecting steel plate 40 and is fixedly connected to the sleeve nut 601. The sleeve nut 601 extends into the concrete, and the structure is stable. After the bolt 602 passes through the hole on the connecting steel plate 40, it is screwed and locked with the sleeve nut 601, so that the connecting steel plate 40 and the steel plate groove 50 can be connected and fixed.

In another embodiment of the present invention, as shown in fig. 5, the steel plate groove 50 includes a first L-shaped block 51, a second L-shaped block 52, and a groove bottom connection block 53, the first L-shaped block 51 and the second L-shaped block 52 are respectively connected to two opposite ends of the groove bottom connection block 53 and are symmetrically arranged, the first L-shaped block 51, the second L-shaped block 52, and the groove bottom connection block 53 together enclose to form an accommodation cavity 54, the sleeve nut 601 is welded on the groove bottom connection block 53, the connection steel plate 40 is accommodated in the accommodation cavity 54 and attached to the groove bottom connection plate, and the sleeve nut 601 is welded on the groove bottom connection block 53. Preferably, the first L-block 51, the second L-block 52 and the groove bottom connecting block 53 are integrally formed to make the steel plate groove 50. The sunken holding chamber 54 that forms in the middle part of steel sheet groove 50 is used for holding connecting steel plate 40, can ensure like this that holding location installation connecting steel plate 40, and then conveniently passes bolt 602 steel sheet locking within sleeve nut 601.

In another embodiment of the present invention, as shown in fig. 5, the depth of the receiving cavity 54 is greater than the thickness of the connecting steel plate 40. The design can ensure that the connecting steel plate 40 is not protruded out of the side parts of the first L-shaped block 51 and the second L-shaped block 52 when being accommodated in the accommodating cavity 54, so that foreign objects are prevented from easily contacting the connecting steel plate 40.

In another embodiment of the present invention, as shown in fig. 3, a side rubber gasket 400 is provided between the adjacent ends of the head mount body 10 and the tail mount body 20. The side rubber gasket 400 is pressed against the head stage main body 10 and the tail stage main body 20, thereby preventing hard contact between the head stage main body 10 and the tail stage main body 20 and reducing physical damage to the head stage main body 10 and the tail stage main body 20.

In another embodiment of the present invention, as shown in fig. 6, the traveling device 200 includes a steel plate frame 60, traveling wheels 70 and a wheel frame 80, the bottom of each of the head pedestal main body 10 and the tail pedestal main body 20 is provided with a wheel groove 14, the steel plate frame 60 is correspondingly disposed in the wheel groove 14 and welded to the reinforcement framework 13 and anchored in concrete by welding reinforcement, the wheel frame 80 is fixed on the steel plate frame 60 by a fastener 600, the traveling wheels 70 are rotatably mounted on the wheel frame 80, and the bottom ends of the traveling wheels 70 are exposed out of the bottom end surface of the head pedestal main body 10 or the tail pedestal main body 20. Specifically, after steel plate frame 60 and steel bar framework 13 welded fastening, it is stable to can supply the installation of wheel carrier 80, walking wheel 70 rotationally installs on wheel carrier 80 again, like this, through the rotation of walking wheel 70, can drive the first part pedestal main part 10 with the removal of afterbody pedestal main part 20, generally, the track that sets up the looks adaptation supplies to cooperate with walking wheel 70, makes walking wheel 70 can be along the track line. Therefore, the head pedestal main body 10 and the tail pedestal main body 20 can be pushed very conveniently to flexibly adapt to the change of a workplace, the stacking is convenient, the occupied area is small, the whole field area is general without the limitation of the beam length, and the field is saved.

In another embodiment of the present invention, as shown in fig. 6, the wheel grooves 14 are provided at both side positions of the bottom of the head mount body 10 and the tail mount body 20. One running gear 200 is provided for each wheel groove 14, so that running gears 200 can be symmetrically disposed on opposite sides of the bottom portions of head stage main body 10 and tail stage main body 20, and head stage main body 10 and tail stage main body 20 are supported in a balanced manner, ensuring that head stage main body 10 and tail stage main body 20 are more stable and reliable in moving and running.

In another embodiment of the present invention, as shown in fig. 6, the fastening member 600 includes a sleeve nut 601 and a bolt 602, the sleeve nut 601 is welded to the steel plate frame 60, and the bolt 602 passes through the wheel frame 80 and is fixedly connected to the sleeve nut 601. Specifically, the collet nut 601 extends into the concrete, and the structure is stable. After passing through the hole on the wheel frame 80, the bolt 602 is screwed and locked with the sleeve nut 601, so that the wheel frame 80 and the steel plate frame 60 can be fixedly connected.

In another embodiment of the present invention, as shown in fig. 6, the steel plate frame 60 includes a transverse block 61 and a vertical block 62 arranged in an L shape, the vertical block 62 is disposed at a side of the wheel groove 14 and welded to the reinforcement structure 13, the transverse block 61 is disposed at a top of the wheel groove 14 and welded to the reinforcement structure 13, the sleeve nut 601 is welded and fixed to the transverse block 61, and the fastener 600 passes through the wheel frame 80 and the transverse block 61 and then is connected and fixed to the sleeve nut 601. Specifically, the transverse block 61 and the vertical block 62 are integrally formed, the transverse block 61 can be supported by the vertical block 62, the transverse block 61 is welded to the reinforcement framework 13 on one hand, and the sleeve nut 601 is welded and fixed on the other hand, so that the fastener 600 can be fixed to the sleeve nut 601 in a threaded connection after passing through the wheel frame 80 and the transverse block 61. Thereby ensuring stability of the wheel frame 80 after installation.

In another embodiment of the present invention, as shown in fig. 6, a bottom rubber pad 500 is disposed between the wheel frame 80 and the lateral block 61. Specifically, the bottom rubber pad 500 prevents the wheel frame 80 from being damaged due to hard contact with the transverse block 61, and an additional steel plate may be added for adjustment if the pre-camber height needs to be adjusted finely.

In another embodiment of the present invention, as shown in fig. 2, the moving stage further includes at least one middle stage main body 30, each middle stage main body 30 is disposed between the head stage main body 10 and the tail stage main body 20, and the middle stage main body 30, the middle stage main body 30 and the head stage main body 10, or the middle stage main body 30 and the tail stage main body 20 can be detachably connected by a connecting device 100. Specifically, the arrangement of the center pedestal main body 30 can increase the length of the entire pedestal, and the number of the center pedestal main bodies 30 can be selected according to actual needs. The connection between the added middle stage base bodies 30, the head stage base bodies 10, or the tail stage base bodies 20 is detachable by the connecting device 100, so that the assembly and disassembly are convenient.

In another embodiment of the present invention, as shown in fig. 5, a plurality of galvanized metal corrugated pipes 15 are arranged in the length direction in each of the head pedestal main body 10, the tail pedestal main body 20 and the middle pedestal main body 30, a plurality of steel strands 16 are arranged in each of the galvanized metal corrugated pipes 15, and cement slurry for fixing each of the steel strands 16 is injected into each of the galvanized metal corrugated pipes 15 through a grouting machine. Specifically, the galvanized metal corrugated pipe 15 and the steel strands 16 arranged therein can increase the prestress of the pedestal, and the cement paste can ensure that the steel strands 16 are fixed in the galvanized metal corrugated pipe 15. Structural design has like this realized the structural strength of reinforcing pedestal to can compress the concrete cross section of pedestal, reduce the working face, so traditional precast beam pedestal has reduced the volume under the condition that reaches the same intensity relatively.

In another embodiment of the present invention, as shown in fig. 5, three galvanized metal corrugated pipes 15 are disposed in each of the head pedestal main body 10, the tail pedestal main body 20, and the middle pedestal main body 30, the three galvanized metal corrugated pipes 15 are arranged in a triangular shape along the height direction, one galvanized metal corrugated pipe 15 is located above, and the other two galvanized metal corrugated pipes 15 are located below. Specifically, three galvanized metal corrugated pipes 15 arranged in a triangular shape are uniformly dispersed in the head pedestal main body 10, the tail pedestal main body 20, and the middle pedestal main body 30, so that the strength of the head pedestal main body 10, the tail pedestal main body 20, and the middle pedestal main body 30 can be balanced, sufficient strength at each position can be ensured as much as possible, and the quality of the product can be ensured.

In another embodiment of the present invention, as shown in fig. 5, the cross section of the upper one of the corrugated galvanized metal pipes 15 is flat and circular, and the cross sections of the lower two corrugated galvanized metal pipes 15 are circular. Specifically, the pedestal leans on position thickness less, can be the galvanized metal corrugated pipe 15 of oblate through setting up the cross-section like this, and the pedestal leans on position thickness down great, can be through setting up galvanized metal corrugated pipe 15 that the cross-section is circular form like this, so realize each galvanized metal corrugated pipe 15 of rational layout, be favorable to the intensity of balanced pedestal equally.

In another embodiment of the present invention, as shown in fig. 5, three strands of steel strands 16 are arranged side by side in the transverse direction inside the galvanized corrugated metal pipe 15 with a flat and round cross section. Specifically, the three strands of steel strands 16 are transversely arranged in the galvanized metal corrugated pipe 15 with the flat and round section, so that the three strands of steel strands 16 can be reasonably distributed, and the strength of the pedestal can be increased.

In another embodiment of the present invention, as shown in fig. 5, three strands of steel strands 16 are arranged in a triangular shape inside the galvanized corrugated metal pipe 15 having a circular cross section. Specifically, the three steel strands 16 arranged in a triangular shape are arranged in the galvanized metal corrugated pipe 15 with the circular cross section, so that the three steel strands 16 can be reasonably distributed, and the strength of the pedestal can be increased.

In another embodiment of the present invention, as shown in fig. 1, wedge-shaped block preformed grooves 11 are provided on the top of the head table base body 10 and the tail table base body 20, and the wedge-shaped block preformed grooves 11 are located at positions far away from the adjacent ends of the head table base body 10 and the tail table base body 20. In particular, the wedge block preformed groove 11 is a sinking groove structure, and an auxiliary component can be arranged at the position to adjust the height position of the precast beam on the upper portion of the wedge block preformed groove.

In another embodiment of the present invention, as shown in fig. 1, each of the head table main body 10, the middle table main body 30 and the tail table main body 20 is provided with a hoisting rope penetration hole 12 penetrating both ends in the width direction thereof, and the hoisting rope penetration hole 12 is located at a position away from the end of the head table main body 10 and the tail table main body 20 adjacent to each other. Specifically, the movable steel plate is arranged at the top of the hoisting rope through hole 12, the hoisting rope can penetrate through the hoisting rope through hole 12, then the prefabricated beam can be lifted through lifting the hoisting rope, and the bottom die can be paved when the next prefabricated beam is prefabricated.

Further, a plurality of round holes are arranged below 50cm of the table top of the head pedestal main body 10, the middle pedestal main body 30 and the tail pedestal main body 20, and are used for fastening steel mold penetrating screws at two bottom sides of the beam.

Further, as shown in fig. 10 to 12, the hydraulic fixed splicing outer mold in this embodiment includes a side mold frame 700 and at least one mold assembling and disassembling driving device 800, the mold assembling and disassembling driving device 800 includes a fixed base 810, a vertical hydraulic driving mechanism 820 and a horizontal hydraulic driving mechanism 830, the fixed base 810 is used for being fixedly installed on the ground, the horizontal hydraulic driving mechanism 830 is installed on the fixed base 810, the vertical hydraulic driving mechanism 820 is connected with an output end of the horizontal hydraulic driving mechanism 830 and can be driven by the horizontal hydraulic driving mechanism 830 to realize horizontal movement, and the side mold frame 700 is connected with an output end of the vertical hydraulic driving mechanism 820 and can be driven by the vertical hydraulic driving mechanism 820 to realize vertical movement. Specifically, the fixed bases 810 of the die assembly and disassembly driving device 800 are fixedly installed on the bottom surface, the installation positions of the fixed bases 810 are opposite two sides of the pedestal in the width direction, the side die frames 700 are connected with the output ends of the vertical hydraulic driving mechanisms 820 of the die assembly and disassembly driving device 800, when die assembly is needed, the side die frames 700 are driven to proper height positions through the driving of the vertical hydraulic driving mechanisms 820, then the side die frames 700 are driven to proper horizontal positions through the driving of the horizontal hydraulic driving mechanisms 830, and therefore the installation of the side die frames 700 is completed, as die assembly during each production of heavy prefabricated components respectively adjusts the height positions and the horizontal positions of the side die frames 700 through the vertical hydraulic driving mechanisms 820 and the horizontal hydraulic driving mechanisms 830, the accuracy of each die assembly can be guaranteed; when the form removal is needed, the vertical hydraulic driving mechanism 820 drives the side form frame 700 to move downwards for a little height in the vertical direction, then the horizontal hydraulic driving mechanism 830 drives the side form frame 700 to move away from the pedestal in the horizontal direction, and finally the vertical hydraulic driving mechanism 820 drives the side form frame 700 to continue to move downwards in the vertical direction until the whole side form frame 700 is separated from the produced heavy prefabricated part, so that the form removal is completed, namely, the form removal driving device 800 can be assembled and disassembled with high efficiency and high precision on the side form frame 700. Meanwhile, the whole hydraulic type fixed splicing external mold is fixed at a specific position on the ground through the fixed base 810, so that the transfer of the hydraulic type fixed splicing external mold is omitted, the production time is saved, and the production efficiency is improved.

Therefore, the hydraulic fixed splicing outer die is connected with the ground to form a fixed structure, so that when the outer die is assembled and disassembled, the use frequency of the gantry crane is reduced, and the positions occupied by the hydraulic fixed splicing outer die are reduced.

In another embodiment of the present invention, as shown in fig. 10 to 11, the vertical hydraulic driving mechanism 820 includes a vertical hydraulic jack 821, the vertical hydraulic jack 821 is arranged in a vertical direction, and the side mold frame 700 is connected to a piston rod of the vertical hydraulic jack 821. Specifically, the vertical hydraulic jack 821 has large output power, so that the side mold frame 700 connected with the piston rod of the vertical hydraulic jack can be stably supported to freely move up and down in the vertical height direction, and the position of the opposite side mold frame 700 in the vertical height direction can be flexibly adjusted, thereby facilitating the assembly and disassembly of the opposite side mold frame 700.

In another embodiment of the present invention, as shown in fig. 10 to 12, the horizontal hydraulic driving mechanism 830 includes a horizontal hydraulic jack 831 and a sliding seat 832, the horizontal hydraulic jack 831 is arranged along a horizontal direction, the sliding seat 832 is connected with a piston rod of the horizontal hydraulic jack 831, and the vertical hydraulic jack 821 is mounted on the sliding seat 832. Similarly, the horizontal hydraulic jack 831 has the same large output power, so that the side mold frame 700 connected with the piston rod of the horizontal hydraulic jack 831 can be stably supported to freely move horizontally in the horizontal direction, and the position of the side mold frame 700 in the horizontal direction can be flexibly adjusted, thereby being beneficial to the assembly and disassembly of the side mold frame 700. And, owing to be provided with sliding seat 832, even have a plurality of vertical hydraulic jack 821 like this, can unify to be connected with this sliding seat 832, let single horizontal hydraulic jack 831 realize a plurality of vertical hydraulic jack 821 synchro-driven to guarantee that driven stability is good, structural design is reasonable, and the practicality is strong.

In another embodiment of the present invention, as shown in fig. 12, the fixed base 810 includes two fixed beams 811 and two guide rails 812, the two fixed beams 811 are spaced apart and are used for being fixedly installed on the ground, the two guide rails 812 are connected between the two fixed beams 811 and are parallel and spaced apart, and the sliding seat 832 is provided with two sliding slots 8321, and the two sliding slots 8321 are respectively wrapped outside the two guide rails 812 and slidably engaged with the guide rails 812. Specifically, the two fixing beams 811 are fixedly connected to the ground, so that the whole fixing base 810 is stably supported on the ground, and the mounting stability and the use reliability of the die mounting and dismounting driving device 800 are improved. The two guide rails 812 are respectively in sliding fit with two sliding grooves 8321 arranged on the sliding seat 832, so that a moving path of the sliding seat 832 is limited, the horizontal moving direction of the vertical hydraulic jack 821 connected with the sliding seat 832 is ensured to be consistent, and the accurate installation precision of the opposite-side formwork 700 is further ensured.

In another embodiment of the present invention, as shown in fig. 11, the hydraulic fixed splicing outer mold comprises at least two assembling and disassembling driving devices 800, and the two assembling and disassembling driving devices 800 are arranged below the side mold frame 700 at intervals. Specifically, the two or more mold mounting and demounting driving devices 800 may support the side mold frame 700 having a certain length, ensure that each position of the side mold frame 700 having a longer length is uniformly raised, and stably adjust the height position of the side mold frame 700.

In another embodiment of the present invention, as shown in fig. 10 and 12, the assembling and disassembling driving device 800 includes at least two vertical hydraulic driving mechanisms 820, the two vertical hydraulic driving mechanisms 820 are arranged at intervals, the output ends of the two vertical hydraulic driving mechanisms 820 are connected to a horizontally arranged fixed beam 811, and the fixed beam 811 is connected to the side formwork 700. Similarly, the two vertical hydraulic driving mechanisms 820 are also beneficial to stably supporting the side die carrier 700, and the height position of the side die carrier 700 is stably and reliably adjusted.

In conclusion, the production method of the T-shaped beam, the small box beam and the segment piece heavy prefabricated part provided by the invention at least has the following advantages:

firstly, large-scale and standardized production is realized, the monthly production quantity is improved, and the controllability is strong; the production area is operated indoors, the large-scale and standardized production can be realized, the production can be carried out in three shifts every day, the yield is improved by about 50 percent, the quality is improved by 5 percent, the labor cost is reduced by 10 percent, and the assembly line basically adopts mechanical construction, such as: 1) welding steel bars by a robot, processing the steel bars into straight bars or stirrups by a steel bar processing machine (processing discs into straight bars or stirrups), and directly placing in place by crane hoisting; 2) concrete flows into a drag pump from a stirring station, is pressed into a distributing machine through the drag pump, and is poured within the operation radius of the distributing machine; 3) the external mold is hydraulically fixed, so that the operation is simple and convenient; 4) automatic control of maintenance;

secondly, the field is saved as much as possible;

thirdly, the use frequency of the gantry crane is reduced, and no crane and the gantry crane are operated in a crossed manner;

fourthly, the maintenance force is increased, and the produced product is excellent in quality.

The above description is intended to be illustrative of the preferred embodiment of the present invention and should not be taken as limiting the invention, but rather, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

Claims

1. A production method of heavy prefabricated parts of T-shaped beams, small box beams and segment sheets is characterized by comprising the following steps: the method comprises the following steps:

s200: installing a hydraulic fixed splicing outer die on the side of the movable pedestal, hoisting a bottom plate and a multi-plate steel bar frame on the movable pedestal, placing the inner die in place, and hoisting a top plate steel bar frame; the movable pedestal comprises a head pedestal main body and a tail pedestal main body, wherein the head pedestal main body and the tail pedestal main body are arranged side by side along the length direction and can be detachably connected through a connecting device, and the bottoms of the head pedestal main body and the tail pedestal main body are respectively provided with at least two walking devices which are arranged at intervals along the length direction and have the function of convenient movement; the connecting device comprises two connecting steel plates and four steel plate grooves, two adjacent end side faces of the head pedestal main body and the tail pedestal main body are respectively provided with one steel plate groove, the two adjacent end side faces of the head pedestal main body and the tail pedestal main body are provided with one connecting steel plate together, and the connecting steel plates are locked on the steel plate grooves through a plurality of fasteners;

s400: after the hydration heat movable maintenance shed maintains the heavy prefabricated parts for 12 hours until the concrete strength of the heavy prefabricated parts reaches 85 percent, removing the hydration heat movable maintenance shed, dismantling the hydraulic fixed splicing external mold and the internal mold, and threading steel strands on the heavy prefabricated parts and tensioning the steel strands to 50 percent;

2. The method for producing the T-shaped beam, the small box beam and the segment piece heavy prefabricated part according to the claim 1, is characterized in that: the post-process comprises: the heavy prefabricated parts on the movable pedestal are hoisted and collected for storage through a gantry crane, then the heavy prefabricated parts which are collected for storage are hoisted to a position to be loaded with a vehicle through the gantry crane, and finally the heavy prefabricated parts are loaded into a transport vehicle for outward transportation.

3. The method for producing a T-beam, small box beam, segment sheet heavy prefabricated member according to claim 2, wherein: the production method is executed on a mobile production line of a heavy prefabricated part, the mobile production line comprises a shed area and an open area which are arranged side by side, the steps S100-S500 are executed in the shed area, and the steps S600-S700 are executed in the open area.

4. The method for producing a T-beam, box-beam, segment-sheet heavy prefabricated element according to claim 3, wherein: the shed area is sequentially provided with a longitudinal rib processing area, a heavy prefabricated part production area and an interlayer area along one direction, the step S100 is executed in the longitudinal rib processing area, the steps S200-S400 are executed in the heavy prefabricated part production area, and the step S500 is executed in the interlayer area;

5. The method for producing the T-beam, small box beam and segment piece heavy prefabricated part according to claim 4, wherein the method comprises the following steps: in the step S700, the moving platform base after the heavy prefabricated component is removed is hoisted to the shed area by a gantry crane, then the moving platform base is transferred to a traveling crane working range in the shed area, and finally the moving platform base is transferred to the heavy prefabricated component production area by a traveling crane.

6. The method for producing the T-beam, small box beam and segment piece heavy prefabricated part according to claim 4, wherein the method comprises the following steps: the interlayer area comprises an interlayer lower area and an interlayer upper area, the step S500 is executed in the interlayer lower area, the interlayer upper area is used for stacking the reinforcing steel bars and the inner mold, the reinforcing steel bars are transferred to the longitudinal bar processing area through a travelling crane, and the inner mold is transferred to the heavy prefabricated component production area through the travelling crane.

7. The method for producing a T-beam, box-beam, segment-sheet heavy prefabricated element according to claim 4, wherein: and a cargo inlet channel is also arranged between the longitudinal rib processing area and the heavy prefabricated part production area.

8. The method for producing the T-beam, the small box beam and the segment sheet heavy prefabricated part according to any one of claims 1 to 7, wherein the method comprises the following steps: the hydraulic fixed splicing outer die comprises a side die frame and at least one die assembling and disassembling driving device, the die assembling and disassembling driving device comprises a fixed base, a vertical hydraulic driving mechanism and a horizontal hydraulic driving mechanism, the fixed base is used for being fixedly installed on the ground, the horizontal hydraulic driving mechanism is installed on the fixed base, the vertical hydraulic driving mechanism is connected with the output end of the horizontal hydraulic driving mechanism and can move in the horizontal direction under the driving of the horizontal hydraulic driving mechanism, and the side die frame is connected with the output end of the vertical hydraulic driving mechanism and can move in the vertical direction under the driving of the vertical hydraulic driving mechanism.