CN111702948A - Pouring system and pouring method for automatic prefabricated T beam - Google Patents

Abstract

The invention provides a pouring system and a pouring method of an automatic prefabricated T beam.A bottom template is arranged on an upper end platform of a longitudinal moving trolley of a steel mould system; end templates are respectively arranged at the longitudinal two ends of the longitudinal moving trolley; the horizontal trusses are arranged on two sides of a longitudinal moving track of the longitudinal moving trolley; the side templates are respectively arranged on the horizontal truss of the pouring pedestal; the lower end of the side template is rotatably connected with the horizontal truss and is butted to form a pouring accommodating cavity of the prefabricated light T-shaped beam; the size of the steel reinforcement framework and the size of the pouring accommodating cavity are matched; a feed inlet of a material distributor of the material distribution system is arranged corresponding to the torpedo tank; the vibrator is arranged on the outer wall of the side template. According to the invention, the shaping and pouring processing of the prefabricated light T beam are realized through the positioning combination of the bottom template, the end template, the side template and the upper template, and the structure is simple and stable; the torpedo tank and the material distributor are fully automatically controlled, the material distributor automatically distributes the material according to the pouring thickness of each layer, and the production efficiency and the production quality are greatly improved.

Description

Pouring system and pouring method for automatic prefabricated T beam

Technical Field

The invention relates to the technical field of T-beam production, in particular to a pouring system and a pouring method for an automatic prefabricated T-beam.

Background

At present, the construction of a prefabricated T-beam of a bridge is mainly carried out by two methods of the existing diaphragm cast-in-place section (a casting connection section between adjacent diaphragms), wherein one method is to erect a scaffold under the bridge to support a bottom die and use the scaffold as an operation platform for construction and casting; the other type is that the bottom die is hung by an iron wire and fixed on the bridge floor, and constructors perform construction of reinforcing steel bars and templates through a simple hanging basket. Whole structure is complicated, and the preparation technology is loaded down with trivial details, wastes time and energy, and production efficiency is low, and the quality of pouring of prefabricated light-duty T roof beam is relatively poor, needs improvement urgently.

Disclosure of Invention

The invention aims to provide a pouring system and a pouring method for an automatic prefabricated T beam.

In order to achieve the purpose, the invention is realized by the following technical scheme:

an automatic prefabricated T-beam pouring system comprises a steel die system, a pouring pedestal, a steel reinforcement framework, a material distribution system and a vibrator;

the steel die system comprises a longitudinal moving trolley, a horizontal truss, a side template and an upper template; a bottom template is arranged on a platform at the upper end of the longitudinal moving trolley; end templates are respectively arranged at the longitudinal two ends of the longitudinal moving trolley; the horizontal trusses are arranged on two sides of a longitudinal moving track of the longitudinal moving trolley; the side templates are respectively arranged on the horizontal truss of the pouring pedestal; the lower end of the side template is rotatably connected with the horizontal truss, and the side template, the bottom template and the end template are butted to form a pouring accommodating cavity of the prefabricated light T-shaped beam through a driving mechanism; the upper template is arranged on the side template through a pull rod assembly;

the size of the steel bar framework is matched with that of the pouring accommodating cavity;

the distributing system comprises a torpedo tank and a distributing machine; the torpedo ladle is used for conveying pouring raw materials; a feed port of the distributing machine is arranged corresponding to the torpedo tank; a discharge port of the distributing machine is arranged corresponding to the pouring accommodating cavity;

the vibrator is arranged on the outer wall of the side template.

As a further improvement of the invention, the vibrator comprises a horizontal vibrator and a vertical vibrator; the horizontal vibrator is arranged at the upper part of the abutting part of the lower flange plate; the vertical vibrators are respectively arranged on the outer side edge of the abutting part of the upper flange plate, the lower part and the middle part of the abutting part of the web plate, so that a four-layer vibrating structure is formed from bottom to top.

As a further improvement of the invention, the driving mechanism comprises a supporting frame and a telescopic device; the side templates are arranged on the supporting frames, and the central lines of the supporting frames on the two sides are symmetrically arranged; the lower end of the support frame is also provided with a hinged support; the hinged support is hinged with the front end of the horizontal truss; the rear support of the telescopic device is hinged with the rear end of the horizontal truss, the front piston rod end is hinged with the support frame, the support frame is driven to rotate on the horizontal truss through the telescopic device, and therefore inward clamping positioning and outward demolding of the prefabricated light T-shaped beam in the middle of the two opposite side templates are achieved.

As a further improvement of the invention, the tie rod assembly comprises a tie rod and a clamping nut; the lower end of the pull rod is provided with the upper template in a positioning way; the two ends of the pull rod respectively penetrate through the support frames, extend outwards to be connected with the clamping nuts, and the pull rod and the upper template are positioned and installed through the clamping nuts.

As a further improvement of the invention, a locking device is also arranged; the locking device is a bolt and nut assembly, is arranged on the platform and the support frame of the longitudinal moving trolley in a penetrating mode and is used for achieving the relative clamping and positioning of the bottom template and the side template; the locking device is arranged on the horizontal truss and the fixed support and used for positioning the horizontal truss.

As a further improvement of the invention, a binding clamping fixture for manufacturing the steel bar framework is also arranged; the binding mould comprises a wing plate mould and a T-shaped beam rib plate mould; the wing plate mould comprises a first support, a first comb plate and a second comb plate; the comb plate I is matched with the bottom of the section of the wing plate reinforcement cage of the prefabricated light T-shaped beam in size; the comb plate II is matched with the prefabricated light T-shaped beam in length direction; the comb plate I and the comb plate II are positioned and mounted on the support I; the comb plate I is arranged in an array along the length direction of the support I; the comb plates II are arranged in an array along the width direction of the support I; the top wing plate reinforcement cage is used for positioning longitudinal reinforcements and transverse reinforcements of the top wing plate reinforcement cage for binding;

the T-beam rib plate mould comprises a second support and a limiting frame; a vertical comb plate III is arranged on one side of the upper part of the limiting frame; the lower part of the limiting frame is provided with a notch matched with a support leg on one side of the lower part of the T-shaped ribbed beam reinforcement cage; a comb plate IV and a comb plate V which are limited by the support leg steel bars on one side of the lower part of the T-shaped rib beam steel reinforcement cage are arranged on the support II; and the limiting frames are arrayed along the length direction of the second support.

As a further improvement of the invention, a lifting frame is also arranged; the lifting frame is arranged under the lifting travelling crane, the lifting frame is connected with the wing plate steel reinforcement cage in an articulated mode through a hook, and the steel reinforcement cage of the prefabricated light T-shaped beam is driven to integrally move to the bottom die longitudinal movement trolley through the movement of the travelling crane.

As a further improvement of the invention, the distributing system comprises a torpedo tank, a distributing machine and a traveling track; the torpedo tank is arranged corresponding to the discharge hole of the mixing station to realize the material receiving of concrete materials; the torpedo tank after will connecing the material simultaneously through the walking track transports to the feed inlet of cloth machine, the discharge gate of feeder corresponds the setting with the upper portion opening of pouring the holding chamber, and the length direction motion in holding chamber is pour to the cloth machine, through starting the vibrator simultaneously, realizes pouring the holding chamber and processes with vibrating.

As a further improvement of the invention, the concrete sampling device is also included; comprises a bracket, a sampler and a mobile device; one side of the bracket is provided with an ascending ladder, and the other side of the bracket is provided with a fixed supporting seat; the sampler comprises a hopper and a conveying pipe; the upper feed port of the hopper is of an open structure, and the lower discharge port of the hopper is communicated with the conveying pipe; the hopper is arranged on the positioning hole of the fixed supporting seat, and the discharge hole of the conveying pipe extends downwards; the moving device is arranged below the support and used for realizing the movement of the support.

An automatic casting method of a prefabricated T beam comprises the following steps,

s1, construction preparation: preparing materials to be poured and preparing devices and materials required by construction by a mixing station;

s2, positioning and setting of the die and the reinforcement cage: positioning the reinforcement cage of the prefabricated light T beam which is bound on the longitudinal moving trolley, and enabling two ends of the reinforcement cage of the prefabricated light T beam in the length direction to be respectively arranged opposite to end templates at two longitudinal ends of the longitudinal moving trolley; driving the longitudinal moving trolley into templates on two sides of a steel mould system on the pouring pedestal, and simultaneously starting a driving mechanism to enable the side templates, the bottom template and the end template to be butted into a pouring accommodating cavity of the prefabricated light T-shaped beam so as to realize the accommodating and positioning of the reinforcement cage; then, the locking device is arranged on the platform and the support frame penetrating through the longitudinal moving trolley and is used for realizing the relative clamping and positioning of the bottom template and the side template; meanwhile, locking devices are arranged on the horizontal truss and the fixed support and are used for positioning the horizontal truss;

s3, transporting and sampling pouring raw materials: pouring raw materials are injected into a torpedo tank by a mixing station, and the torpedo tank conveys the pouring raw materials into a distributing machine on a pouring accommodating cavity through a conveying rail; before the material distributor starts to distribute the material to the pouring accommodating cavity, a hopper of the concrete sampling device is moved to the position below a discharge hole of the material distributor to sample;

s4, concrete distribution and vibration: concrete distribution and vibration: a discharge port of the material distributor is opposite to one end of the pouring accommodating cavity for distributing materials; dividing the side templates on two sides of the whole T-shaped beam into a plurality of symmetrical vibration units along the length direction; the single vibration unit comprises four layers of vibrators which are uniformly arranged in sequence and are used for vibrating the lower outer side edges and the upper parts of two sides of the lower flange plate part to be poured and the lower part and the middle part of the web plate part;

the material distributing machine sequentially distributes materials in a partitioning manner along the length direction of the T-shaped beam, and sequentially distributes materials in multiple layers from bottom to top along the height direction of the T-shaped beam; meanwhile, the vibrator vibrates the corresponding area of each layer;

s5, capping and positioning molding by using the mold: two ends of a pull rod of the pull rod assembly respectively penetrate through the support frames of the driving mechanisms on the two sides, extend outwards and are connected with the clamping nuts, and the upper template under the pull rod is positioned and installed on an upper opening structure of the pouring accommodating cavity through the clamping nuts;

s6, demolding and transferring: after the pouring raw material is solidified, respectively removing the pull rod assembly and the locking device, starting the driving mechanism to enable the side template to move towards the outer side of the prefabricated light T beam, demolding two sides of the prefabricated light T beam, pushing the longitudinal moving trolley to move out of the pouring pedestal to the lower moving processing station, and then moving the end template outwards for demolding;

s7, performing high-temperature steam curing, namely moving the prefabricated light T-beam on the longitudinal moving trolley to a high-temperature steam curing platform for high-temperature steam curing;

s8, tensioning, grouting and finishing: tensioning and grouting the prefabricated light T-shaped beam on the longitudinal moving trolley by using a shuttle machine steel strand and an integrated tensioning shed operating platform; then, brushing a template with a water washing agent and washing the prefabricated light T-shaped beam on the longitudinally-moving trolley by using a high-pressure water gun for finishing;

s9, drip irrigation and maintenance: hoisting the prefabricated light T-beam on the longitudinal moving trolley to a maintenance area through a crane, and performing periodic maintenance on the prefabricated light T-beam through a drip irrigation system; and moving the longitudinal moving trolley to the rotary track, and returning to the steel bar binding station to circularly make the beam.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the shaping and pouring processing of the prefabricated light T beam are realized through the positioning combination of the bottom template, the end template, the side template and the upper template, and the structure is simple and stable; the torpedo tank is adopted to transport concrete, the material distributing machine is used for distributing material, the torpedo tank and the material distributing machine are controlled in a full-automatic mode, the material is poured according to each layer, the material is distributed automatically by the material distributing machine, and production efficiency and production quality are greatly improved.

2. The prefabricated light T-beam has the advantages of simple structure, convenience and quickness in operation, capability of realizing standardized production of the standardized T-beam, great simplification of complicated manufacturing process, high production efficiency and good pouring quality of the prefabricated light T-beam.

3. The invention greatly reduces horseshoe bubbles and water bubbles on the lower flange plate part through the vibrators arranged in layers, greatly improves the pouring quality of the prefabricated light T-shaped beam, and is worthy of wide popularization.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, 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 can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of a mold clamping structure according to the present invention;

FIG. 2 is a schematic view of a casting structure of a casting area of the precast beam of the present invention;

FIG. 3 is a schematic structural view of the demolded state of the present invention;

FIG. 4 is a schematic diagram of an end form structure according to the present invention;

FIG. 5 is a schematic view of the structure of the prefabricated light T-beam and the steel reinforcement cage of the present invention;

FIG. 6 is a schematic view of the structure of the side vibrators of the vibrating unit of the present invention distributed along the length direction;

FIG. 7 is a schematic view of a wing plate mold of the present invention;

FIG. 8 is a side view of FIG. 7;

FIG. 9 is a schematic structural view of the T-beam rib plate mold and the steel reinforcement cage of the present invention during assembly;

FIG. 10 is a schematic structural view of a T-beam rib mold of the present invention;

FIG. 11 is a schematic view of the concrete sampling device according to the present invention;

the reference numbers in the figures illustrate:

1. a steel die system; 11. longitudinally moving the trolley; 12. a horizontal truss; 13. a sideform; 14. mounting a template; 15. a bottom template; 16. an end template; 161. a first supporting arm; 162. a second supporting arm; 17. longitudinally moving the rail; 18. a drive mechanism; 181. a support frame; 182. a telescoping device; 19. a drawbar assembly; 191. a pull rod; 192. clamping the nut; 2. pouring a pedestal; 3. a steel reinforcement cage; 4. a material distribution system; 41. a material distributor; 5. a vibrator; 51. a horizontal vibrator; 52. a vertical vibrator; 6. prefabricating a light T beam; 7. a locking device; 8. a platform guard structure; 81. a working ladder; 82. protecting the fence; 9. binding a mould; 91. a plate mould; 911. a first support; 912. a comb plate I; 913. a comb plate II; 92. t beam rib plate mould; 921. a second support; 922. a limiting frame; 923. a comb plate III 924 and a comb plate IV; 925. a comb plate V; 10. lifting the hanger; 20. a concrete sampling device; 201. a support; 202. a sampler; 2021. a hopper; 2022. a transfer tube; 203. a mobile device; 204. climbing a ladder; 205. and fixing the supporting seat.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

With reference to the attached drawings 1 to 11, the invention provides a pouring system and a pouring method for an automatic prefabricated T beam, and aims to improve the production efficiency and the product quality of the automatic prefabricated T beam.

Specifically, the pouring system for the automatic prefabricated T-shaped beam comprises a steel die system 1, a pouring pedestal 2, a steel reinforcement framework 3, a material distribution system 4 and a vibrator 5;

the steel mould system 1 comprises a longitudinal moving trolley 11, a horizontal truss 12, a side template 13 and an upper template 14; a bottom template 15 is arranged on a platform at the upper end of the longitudinal moving trolley 11; end templates 16 are respectively arranged at the longitudinal two ends of the longitudinal moving trolley 11; the horizontal trusses 12 are arranged on two sides of a longitudinal moving track 17 of the longitudinal moving trolley 11; the side templates 13 are respectively arranged on the horizontal truss 12 of the pouring pedestal 2; the lower end of the side template 13 is rotatably connected with the horizontal truss 12, and the side template 13, the bottom template 15 and the end template 16 are butted through a driving mechanism 18 to form a pouring accommodating cavity of the prefabricated light T-shaped beam 6; the upper template 14 is arranged on the side template 13 through a pull rod assembly 19;

the size of the steel reinforcement framework 3 is matched with that of the pouring accommodating cavity;

the distributing system 4 comprises a torpedo tank and a distributing machine 41; the torpedo ladle is used for conveying pouring raw materials; the feed inlet of the distributing machine 41 is arranged corresponding to the torpedo tank; a discharge port of the distributing machine 41 is arranged corresponding to the pouring accommodating cavity;

the vibrator 5 is arranged on the outer wall of the side template 13.

The prefabricated light T-beam 6 is shaped and cast through the positioning combination of the bottom template 15, the end template 16, the side templates 13 and the upper template 14. The concrete is transported by a torpedo tank, the torpedo tank transports the concrete, the distributing machine 41 is used for distributing the concrete, the torpedo tank and the distributing machine 41 are controlled in a full-automatic mode, and the distributing machine 41 automatically distributes the concrete according to the pouring thickness of each layer.

Furthermore, a vibrator 5 is also arranged; the vibrator 5 is arranged on the outer wall of the side template 13.

Further, the sideforms 13 match the shape and size of the prefabricated lightweight T-beam 6; the side die plate 13 comprises an upper flange plate abutting part, a web plate abutting part and a lower flange plate abutting part; the upper flange plate abutting portion, the web abutting portion and the lower flange plate abutting portion are sequentially connected and are respectively abutted and limited to the outer side portions of the upper flange plate portion, the web portion and the lower flange plate portion of the prefabricated light T-shaped beam 6.

The vibrator 5 comprises a horizontal vibrator 51 and a vertical vibrator 52; the horizontal vibrator 5 is arranged at the upper part of the abutting part of the lower flange plate; the vertical vibrators 52 are respectively provided at the outer side edge of the upper flange plate abutting portion, the lower portion and the middle portion of the web plate abutting portion, thereby forming a four-layer vibrating structure from bottom to top.

The method for vibrating the pouring system of the automatic prefabricated T-shaped beam comprises the following steps: dividing the side templates 13 at two sides of the whole T-shaped beam into a plurality of symmetrical vibration units along the length direction; the single vibration unit comprises the four layers of vibrators 5 which are uniformly arranged in sequence, wherein the first layer of vibration structure comprises two vertical vibrators 52 which are respectively arranged at two ends of the vibration unit; the second tier of vibrating structure includes a horizontal vibrator 51 disposed at the middle of the vibrating unit; the third layer of vibrating structure comprises two vertical vibrators 52 which are respectively arranged at two ends of the vibrating unit; the fourth tier of vibrating structure includes a vertical vibrator 52 disposed at the center of the vibrating unit.

Specifically, during pouring, after the lower flange plate part of the first vibration unit in the pouring accommodating cavity is poured through the distributing machine 41, the lower flange plate part of the second vibration unit is poured sequentially, and the first layer of vibration structure and the second layer of vibration structure on the first vibration unit are started simultaneously, so that vibration is carried out on two sides and the upper part of the lower flange plate part of the first vibration unit; after the pouring of the lower flange plate part of the second vibrating unit is completed, the distributing machine 41 continues to advance and pour the lower flange plate part of the third vibrating unit, and the first layer of vibrating structure and the second layer of vibrating structure on the second vibrating unit are started simultaneously to realize the vibrating of the two sides and the upper part of the lower flange plate part of the first vibrating unit; similarly, vibrating the vibration units on the lower flange plate part of the whole prefabricated light T-beam 6 along the length direction for 30 seconds;

pouring the lower part (one third) of the web part of the first vibrating unit in the pouring accommodating cavity through a distributing machine 41, sequentially pouring the lower part of the web part of the second vibrating unit, and starting a third layer of vibrating structure on the first vibrating unit to realize vibrating on two sides of the lower part of the web part of the first vibrating unit; similarly, the vibration of the lower vibration unit of the whole prefabricated light T-beam 6 along the length direction web part is realized for 25 seconds in sequence;

pouring the middle part of the web part of the first vibrating unit in the pouring accommodating cavity through the distributing machine 41, sequentially pouring the middle part of the web part of the second vibrating unit, and starting the fourth layer of vibrating structure on the first vibrating unit to realize vibrating on two sides of the middle part of the web part of the first vibrating unit; similarly, the vibration of the middle vibrating unit of the whole prefabricated light T-beam 6 along the length direction of the web part is realized for 25 seconds in sequence;

pouring the upper part of the web part of the first vibration unit in the pouring accommodating cavity through the distributing machine 41, and sequentially pouring the upper part of the web part of the second vibration unit, and similarly, sequentially pouring the upper vibration units of the web part of the whole prefabricated light T-shaped beam 6 along the length direction;

and finally, pouring the upper flange plate part of the first vibration unit in the pouring accommodating cavity, and pouring the upper flange plate part of the second vibration unit in sequence, and similarly, pouring the whole prefabricated light T beam 6 along the upper flange plate part vibration unit in the length direction according to the sequence, and finishing pouring of the prefabricated light T beam 6.

After the pouring is finished, the upper template 14 is installed on the side template 13 through the pull rod assembly 19

It should be noted that, with reference to fig. 6, the early-stage manufacturability test beam pouring process has problems:

the length of the whole prefabricated light T-shaped beam 6 is 25 meters, the length of each section of vibration unit is 3.2 meters, and the number of each vibration unit from left to right is 1, 2, 3, 4, 5 and 6 in sequence.

Pouring for the first time: 28cm is poured in the first layer of concrete, the slump of the concrete is 210mm, the auxiliary type vibration is 1, 3 and 5, each time is 25 seconds, and 30cm is poured in the second, third and fourth layers, so that more air bubbles are formed at the horseshoe position and cannot be removed.

And (5) casting for the second time: 20cm is poured into the first layer of concrete, the slump is 200mm, the auxiliary vibration is 1 and 5, the vibration time is 25 seconds, 8cm is poured into the second layer of concrete, the auxiliary vibration is 1, 3 and 5 simultaneously for 10 seconds, the vibration of 3 is continued for 25 seconds, and a large number of air bubbles and water bubbles are poured into the water chestnut.

Pouring for the third time: 20cm is poured on the first layer, the auxiliary type vibration is 1 and 5, the vibration time is 25 seconds, 8cm is poured on the second layer, the auxiliary type vibration is 3, the vibration time is 25 seconds, the vibration time is 15 seconds after the vibration time is 1 and 5, and after pouring, the water chestnut has few bubbles and more bubbles.

The pouring structure and the pouring method are obtained through tests, and vibration of the key part of the lower part of the prefabricated light T-shaped beam 6 greatly reduces horseshoe bubbles and water bubbles of the lower flange plate part, greatly improves the pouring quality of the prefabricated light T-shaped beam 6, and is worthy of wide popularization.

Further, the prefabricated light T-shaped beam 6 is a long-strip-shaped reinforced concrete block with an I-shaped section.

Further, the horizontal truss 12 is arranged on a fixed bracket 21 on the casting pedestal 2 at two sides of the longitudinal moving track 17; and a transverse moving oil cylinder is also arranged to be connected with the horizontal truss 12 and used for driving the horizontal truss 12 to transversely move left and right on the fixed support 21.

Preferably, the front end of the horizontal truss 12 is arranged corresponding to the middle concave part of the upper platform of the longitudinal movement trolley 11.

Further, the driving mechanism 18 includes a supporting frame 181 and a telescopic device 182; the side templates 13 are arranged on the supporting frames 181, and the central lines of the supporting frames 181 at the two sides are symmetrically arranged; the lower end of the supporting frame 181 is also provided with a hinged support; the hinged support is hinged with the front end of the horizontal truss 12; the rear support of the telescopic device 182 is hinged to the rear end of the horizontal truss 12, the front piston rod end is hinged to the support frame 181, the support frame 181 is driven to rotate on the horizontal truss 12 through the telescopic device 182, and therefore inward clamping positioning and outward demolding of the prefabricated light T-shaped beam 6 in the middle of the two opposite side templates 13 are achieved.

Preferably, the telescopic device 182 is a telescopic cylinder structure.

Further, the pulling rod assembly 19 includes a pulling rod 191 and a clamping nut 192; the lower end of the pull rod 191 is positioned and provided with the upper template 14; the two ends of the pull rod 191 respectively penetrate through the supporting frame 181 and extend outwards to be connected with the clamping nut 192, and the positioning and installation of the pull rod 191 and the upper template 14 are realized through the clamping nut 192.

Furthermore, a locking device 7 is also arranged; the locking device 7 is a bolt and nut assembly, and the locking device 7 is arranged on the platform and the supporting frame 181 penetrating through the longitudinal moving trolley 11 and is used for realizing the relative clamping and positioning of the bottom template 15 and the side template 13; the locking device 7 is arranged on the horizontal truss 12 and the fixing support 21 and is used for positioning the horizontal truss 12.

Preferably, the locking device 7 is a detachable connection structure.

Further, a platform protection structure 8 is also arranged; the platform protection structure 8 comprises a working ladder 81 and a protective guard 82; the working ladder 81 is arranged at one end of the longitudinal moving trolley 11; the guard rails 82 are provided at both sides of the working ladder 81.

Furthermore, a supporting mechanism is also arranged to be connected with the end template 16; the supporting mechanism comprises a first supporting arm 161 and a second supporting arm 162; the support ends of the first support arm 161 and the second support arm 162 are hinged to the outer side of the platform, and the other ends of the first support arm and the second support arm are hinged to the upper end and the lower end of the end formwork 16 respectively and used for achieving vertical positioning and overturning of the end formwork 16.

When the device is used, after the side templates 13 and the horizontal truss 12 are positioned and installed, the reinforcement cage of the prefabricated light T-beam 6 is positioned and placed on the longitudinal moving trolley 11, the longitudinal moving trolley 11 is driven to longitudinally move into a space between the side templates 13 along a moving track, when the end template 16 on the longitudinal moving trolley 11 is abutted and limited with the end parts of the side templates 13, the transverse moving oil cylinder is driven, the support frame 181 drives the lower ends of the side templates 13 to move and position the longitudinal moving trolley 11, and then the expansion device 182 is driven to enable the side templates 13 to rotate inwards and abut and limit with the two side edges of the reinforcement cage of the prefabricated light T-beam 6; the torpedo tank is adopted to transport concrete, concrete mortar is poured into an opening at the upper part of the concrete through a material distribution system 4 of a material distributor 41, an auxiliary vibrator 5 is adopted to vibrate, and an upper template 14 is positioned and installed through a pull rod assembly 19 and the concrete is cured; the cured prefabricated light T-beam 6 is directly moved to the next process step through the longitudinal movement trolley 11 after the side formworks 13 and the upper formworks 14 are opened.

The template body is arranged in a more convenient assembling mode and a more flexible adjusting mode, the template body is small in operation range, convenient to carry, flexible to use, safe, reliable and low in operation cost, and the operation safety and the operation efficiency of workers can be effectively improved.

Furthermore, a binding mould 9 for manufacturing the steel reinforcement framework 3 is also arranged; the binding jig 9 comprises a wing plate jig 91 and a T-beam rib plate jig 92.

It should be noted that, the h-steel-shaped reinforcement cage is split into a top wing plate reinforcement cage and a lower T-shaped rib beam reinforcement cage, and the top wing plate reinforcement cage and the lower T-shaped rib beam reinforcement cage are respectively manufactured by a clamping fixture, and then the two reinforcement cages are bound to form the h-steel-shaped structure of the prefabricated light T-beam 6.

Further, the wing plate mould 91 comprises a first support 911, a first comb plate 912 and a second comb plate 913; the comb plate I912 is matched with the bottom of the section of the wing plate reinforcement cage of the prefabricated light T-shaped beam 6 in size; the comb plate II 913 is matched with the prefabricated light T-shaped beam 6 in length direction; the comb plate I912 and the comb plate II 913 are positioned and mounted on the support I911; a plurality of comb plates 912 are arranged in an array along the length direction of the first support 911; a plurality of comb plates second 913 are arranged in an array along the width direction of the first support 911; the vertical steel bars and the transverse steel bars of the top wing plate steel reinforcement cage are positioned for binding.

It should be noted that the longitudinal steel bars of the wing plate steel bar cage are positioned by axially penetrating the steel bars on the comb plate 912; simultaneously through wearing to establish the reinforcing bar axial on fishback two 913, realize the location setting of the horizontal reinforcing bar of pterygoid lamina steel reinforcement cage.

Further, the T-beam rib plate jig 92 comprises a second support 921 and a limiting frame 922; a vertical comb plate III 923 is arranged on one side of the upper part of the limiting frame 922; the lower part of the limiting frame 922 is provided with a notch matched with a support leg on one side of the lower part of the T-shaped rib beam reinforcement cage; a comb plate four 924 and a comb plate five 925 which are limited by the supporting leg steel bars on one side of the lower portion of the T-shaped rib beam steel reinforcement cage are arranged on the second support 921; the limiting frames 922 are arranged in an array along the length direction of the second support 921; the longitudinal limiting groove of the comb plate III is used for limiting and positioning welding processing of the transverse steel bars and the vertical steel bars on one side of the main rib; meanwhile, the limiting and positioning welding processing of the reinforcing steel bar supporting legs on one side is realized through the comb plate four 924 and the comb plate five 925; and similarly, rotating the machined half of the T-beam rib plate to another common position to perform the machining, thereby realizing the machining of the whole T-beam rib plate reinforcement cage.

Furthermore, a lifting frame 10 is also arranged; the lifting frame 10 is arranged under the lifting crane, the lifting frame 10 is connected with the wing plate steel reinforcement cage in an articulated mode through a hook, and the steel reinforcement cage of the prefabricated light T-shaped beam 6 is driven to integrally move to the bottom die longitudinal movement trolley 11 through the motion of the lifting crane.

Further, the material distribution system 4 comprises a torpedo tank, a material distributor 41 and a traveling track; the torpedo tank is arranged corresponding to the discharge hole of the mixing station to realize the material receiving of concrete materials; the torpedo tank after receiving the material is transported to the feed inlet of the material distributor 41 through the traveling rail, the discharge port of the material distributor corresponds to the upper opening of the pouring accommodating cavity, the material distributor 41 moves in the length direction of the pouring accommodating cavity, and the pouring accommodating cavity is poured and vibrated by starting the vibrator 5.

Further, the concrete sampling device 20 is also included, and comprises a support 201, a sampler 202 and a moving device 203; one side of the bracket 201 is provided with an ascending ladder 204, and the other side is provided with a fixed support seat 205; the sampler 202 comprises a hopper 2021 and a transfer tube 2022; the upper feed inlet of the hopper 2021 is of an open structure, and the lower discharge outlet is communicated with the conveying pipe 2022; the hopper 2021 is arranged on the positioning hole 121 of the fixed support base 205, and the discharge hole of the conveying pipe 2022 extends downwards; the moving device 203 is arranged below the support 201 and used for realizing the movement of the support 201.

It should be noted that, through setting up sampler and mobile device on the support, operating personnel can promote the support and remove the lower part discharge gate of distributing device and get off to connect the material, and at the conveying through hopper and conveying pipe, operating personnel can connect the material at the discharge gate end of conveying pipe to the realization realizes taking a sample to the concrete of roof beam concreting system, simple structure, practical convenient and fast, economical and practical.

Furthermore, handrails are arranged on two side edges of the ascending stair 204, so that an operator can conveniently support the ascending stair in the ascending process, and the ascending stair is safer.

Further, the support 201 is a frame structure.

Further, the fixed support base 205 is disposed on the top side of the ascending stair 204; guard rails are further arranged around the fixed supporting seat 205; the top corners of the upper opening structure of the hopper 2021 are fixedly arranged at the top of the guardrail, so that the hopper 2021 is shaped and reinforced, and the structure is firmer.

It should be noted that the positioning hole 121 is a circular hole structure; during specific installation, the sampler 202 passes the conveying pipe 2022 through the positioning hole 121 from top to bottom, and meanwhile, because the hopper 2021 is of a structure with a wide upper part and a narrow lower part, the hopper 2021 can be clamped on the positioning hole 121, and the periphery of the top of the hopper 2021 is welded on a guardrail, so that the sampler 202 is positioned and installed, the discharge port end of the conveying pipe 2022 is arranged downwards, an operator can conveniently receive materials on the ground, and the sampler is simple in structure and reasonable in arrangement.

Further, a sleeve cover 206 is arranged at the discharge port end of the conveying pipe 2022; the cover 206 is detachably connected with the discharge port, and is used for opening and closing the discharge port of the conveying pipe 2022.

Preferably, the sleeve cover 206 is sleeved on the discharge port end.

Further, the hopper 2021 has a funnel-shaped structure.

Preferably, the hopper 2021 is made of stainless steel material.

Further, the moving device 203 is a universal wheel, and the universal wheels are respectively arranged at four corners of the bottom of the support 201, so that the support 201 can integrally move through rolling of the universal wheels, and the movement is more convenient.

When the device is used, the device is moved to the position below an inlet of a distributing device entering a pouring system, and the distributing device firstly puts a part of materials into a hopper and then moves to a pouring area for pouring; and operating personnel connects the material to collect from the discharge gate end of conveying pipe, simultaneously calls the sample and carries out maintenance back detection correlation technique parameter, inputs correlation technique parameter simultaneously and generates corresponding two-dimensional code in the two-dimensional code generation device to paste the two-dimensional code that will print on the T roof beam that corresponds, so that to the look up of T roof beam real-time parameter, the implementation of the T roof beam of being convenient for simultaneously is tracked.

An automatic casting method of a prefabricated T beam comprises the following steps,

s1, construction preparation: preparing materials to be poured and preparing devices and materials required by construction by a mixing station;

s2, positioning and setting of the die and the reinforcement cage: positioning the reinforcement cage of the prefabricated light T-beam 6 which is bound on the longitudinal moving trolley 11, and enabling two ends of the reinforcement cage of the prefabricated light T-beam 6 in the length direction to be respectively arranged opposite to end templates 16 at two longitudinal ends of the longitudinal moving trolley 11; then the longitudinally-moving trolley 11 is driven into the formworks 13 at the two sides of the steel mould system 1 on the pouring pedestal 2, and the driving mechanism 18 is started to enable the side formworks 13, the bottom formworks 15 and the end formworks 16 to be butted into a pouring accommodating cavity of the prefabricated light T-shaped beam 6, so that the accommodating and the positioning of the reinforcement cage are realized; the locking device 7 is arranged on the platform and the supporting frame 181 which penetrate through the longitudinal moving trolley 11 and is used for realizing the relative clamping and positioning of the bottom template 15 and the side template 13; meanwhile, the locking device 7 is arranged on the horizontal truss 12 and the fixed bracket 21 and is used for positioning the horizontal truss 12;

s3, transporting and sampling pouring raw materials: pouring raw materials are injected into a torpedo tank by the mixing station, and the torpedo tank conveys the pouring raw materials into a material distributor 41 on the pouring accommodating cavity through a conveying rail; before the distributing machine 41 starts distributing the material to the pouring accommodating cavity, the hopper 2021 of the concrete sampling device 20 is moved to the lower part of the discharge port of the distributing machine 41 for sampling;

s4, concrete distribution and vibration: a discharge port of the material distributor 41 is opposite to one end of the pouring accommodating cavity for distributing materials; the side templates 13 on the two sides of the whole T-shaped beam are divided into a plurality of symmetrical vibration units along the length direction; the single vibration unit comprises the four layers of vibrators 5 which are uniformly arranged in sequence and are used for vibrating the lower outer side edges and the upper parts of the two sides of the lower flange plate part to be poured and the lower part and the middle part of the web plate part;

the material distributing machine 41 sequentially distributes materials in a partitioning manner along the length direction of the T-beam, and sequentially distributes materials in multiple layers from bottom to top along the height direction of the T-beam; meanwhile, the vibrator 5 vibrates the corresponding area of each layer;

s5, capping and positioning molding by using the mold: two ends of a pull rod 191 of the pull rod assembly 19 respectively penetrate through the supporting frames 181 of the driving mechanisms 8 at two sides and extend outwards to be connected with the clamping nuts 192, and the positioning and installation of the upper formwork 14 below the pull rod 191 on the upper opening structure of the pouring accommodating cavity are realized through the clamping nuts 92;

s6, demolding and transferring: after the pouring raw material is solidified, respectively removing the pull rod assembly 19 and the locking device 7, starting the driving mechanism 18 to enable the side template 13 to move towards the outer side of the prefabricated light T beam 6, demoulding two sides of the prefabricated light T beam 6, pushing the longitudinal moving trolley 11 to move out of the pouring pedestal 2 to the downward moving processing station, and moving the end template 16 outwards for demoulding;

s7, performing high-temperature steam curing, namely moving the prefabricated light T-shaped beam 6 on the longitudinal moving trolley 11 to a high-temperature steam curing platform for high-temperature steam curing;

s8, tensioning, grouting and finishing: tensioning and grouting the prefabricated light T-shaped beam 6 on the longitudinal moving trolley 11 by using a shuttle machine steel strand and an integrated tensioning shed operating platform; then, brushing a template with a water washing agent and washing the prefabricated light T-beam 6 on the longitudinally-moving trolley 11 by using a high-pressure water gun for finishing;

s9, drip irrigation and maintenance: hoisting the prefabricated light T-beam 6 on the longitudinal moving trolley 11 to a maintenance area through a crane, and performing periodic maintenance on the prefabricated light T-beam 6 through a drip irrigation system; and moving the longitudinal moving trolley 11 to the rotary track, and returning to the steel bar binding station to circularly make the beam.

It should be noted that the detailed description of the invention is not included in the prior art, or can be directly obtained from the market, and the detailed connection mode can be widely applied in the field or daily life without creative efforts, and the detailed description is not repeated here.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the 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 at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims (10)

1. The utility model provides an automatic change pouring system of prefabricated T roof beam which characterized in that: the steel mould pouring device comprises a steel mould system, a pouring pedestal, a steel reinforcement framework, a material distribution system and a vibrator;

the steel die system comprises a longitudinal moving trolley, a horizontal truss, a side template and an upper template; a bottom template is arranged on a platform at the upper end of the longitudinal moving trolley; end templates are respectively arranged at the longitudinal two ends of the longitudinal moving trolley; the horizontal trusses are arranged on two sides of a longitudinal moving track of the longitudinal moving trolley; the side templates are respectively arranged on the horizontal truss of the pouring pedestal; the lower end of the side template is rotatably connected with the horizontal truss, and the side template, the bottom template and the end template are butted to form a pouring accommodating cavity of the prefabricated light T-shaped beam through a driving mechanism; the upper template is arranged on the side template through a pull rod assembly;

the size of the steel bar framework is matched with that of the pouring accommodating cavity;

the distributing system comprises a torpedo tank and a distributing machine; the torpedo ladle is used for conveying pouring raw materials; a feed port of the distributing machine is arranged corresponding to the torpedo tank; a discharge port of the distributing machine is arranged corresponding to the pouring accommodating cavity;

the vibrator is arranged on the outer wall of the side template.

2. The automated precast T beam casting system of claim 1, wherein: the vibrator comprises a horizontal vibrator and a vertical vibrator; the horizontal vibrator is arranged at the upper part of the abutting part of the lower flange plate; the vertical vibrators are respectively arranged on the outer side edge of the abutting part of the upper flange plate, the lower part and the middle part of the abutting part of the web plate, so that a four-layer vibrating structure is formed from bottom to top.

3. The automated precast T beam casting system of claim 1, wherein: the driving mechanism comprises a supporting frame and a telescopic device; the side templates are arranged on the supporting frames, and the central lines of the supporting frames on the two sides are symmetrically arranged; the lower end of the support frame is also provided with a hinged support; the hinged support is hinged with the front end of the horizontal truss; the rear support of the telescopic device is hinged with the rear end of the horizontal truss, the front piston rod end is hinged with the support frame, the support frame is driven to rotate on the horizontal truss through the telescopic device, and therefore inward clamping positioning and outward demolding of the prefabricated light T-shaped beam in the middle of the two opposite side templates are achieved.

4. The automated precast T beam casting system of claim 3, wherein: the pull rod assembly comprises a pull rod and a clamping nut; the lower end of the pull rod is provided with the upper template in a positioning way; the two ends of the pull rod respectively penetrate through the support frames, extend outwards to be connected with the clamping nuts, and the pull rod and the upper template are positioned and installed through the clamping nuts.

5. The automated precast T beam casting system of claim 1, wherein: a locking device is also arranged; the locking device is a bolt and nut assembly, is arranged on the platform and the support frame of the longitudinal moving trolley in a penetrating mode and is used for achieving the relative clamping and positioning of the bottom template and the side template; the locking device is arranged on the horizontal truss and the fixed support and used for positioning the horizontal truss.

6. The automated precast T beam casting system of claim 1, wherein: a binding mould for manufacturing the steel bar framework is also arranged; the binding mould comprises a wing plate mould and a T-shaped beam rib plate mould; the wing plate mould comprises a first support, a first comb plate and a second comb plate; the comb plate I is matched with the bottom of the section of the wing plate reinforcement cage of the prefabricated light T-shaped beam in size; the comb plate II is matched with the prefabricated light T-shaped beam in length direction; the comb plate I and the comb plate II are positioned and mounted on the support I; the comb plate I is arranged in an array along the length direction of the support I; the comb plates II are arranged in an array along the width direction of the support I; the top wing plate reinforcement cage is used for positioning longitudinal reinforcements and transverse reinforcements of the top wing plate reinforcement cage for binding;

the T-beam rib plate mould comprises a second support and a limiting frame; a vertical comb plate III is arranged on one side of the upper part of the limiting frame; the lower part of the limiting frame is provided with a notch matched with a support leg on one side of the lower part of the T-shaped ribbed beam reinforcement cage; a comb plate IV and a comb plate V which are limited by the support leg steel bars on one side of the lower part of the T-shaped rib beam steel reinforcement cage are arranged on the support II; and the limiting frames are arrayed along the length direction of the second support.

7. The automated precast T beam casting system of claim 6, wherein: a lifting frame is also arranged; the lifting frame is arranged under the lifting travelling crane, the lifting frame is connected with the wing plate steel reinforcement cage in an articulated mode through a hook, and the steel reinforcement cage of the prefabricated light T-shaped beam is driven to integrally move to the bottom die longitudinal movement trolley through the movement of the travelling crane.

8. The automated precast T beam casting system of claim 1, wherein: the distributing system comprises a torpedo tank, a distributing machine and a traveling track; the torpedo tank is arranged corresponding to the discharge hole of the mixing station to realize the material receiving of concrete materials; the torpedo tank after will connecing the material simultaneously through the walking track transports to the feed inlet of cloth machine, the discharge gate of feeder corresponds the setting with the upper portion opening of pouring the holding chamber, and the length direction motion in holding chamber is pour to the cloth machine, through starting the vibrator simultaneously, realizes pouring the holding chamber and processes with vibrating.

9. The automated precast T beam casting system of claim 1, wherein: the concrete sampling device is also included; comprises a bracket, a sampler and a mobile device; one side of the bracket is provided with an ascending ladder, and the other side of the bracket is provided with a fixed supporting seat; the sampler comprises a hopper and a conveying pipe; the upper feed port of the hopper is of an open structure, and the lower discharge port of the hopper is communicated with the conveying pipe; the hopper is arranged on the positioning hole of the fixed supporting seat, and the discharge hole of the conveying pipe extends downwards; the moving device is arranged below the support and used for realizing the movement of the support.

10. An automatic prefabricated T beam pouring method based on the automatic prefabricated T beam pouring system according to any one of claims 1 to 9, which is characterized by comprising the following steps,

s1, construction preparation: preparing materials to be poured and preparing devices and materials required by construction by a mixing station;

s2, positioning and setting of the die and the reinforcement cage: positioning the reinforcement cage of the prefabricated light T beam which is bound on the longitudinal moving trolley, and enabling two ends of the reinforcement cage of the prefabricated light T beam in the length direction to be respectively arranged opposite to end templates at two longitudinal ends of the longitudinal moving trolley; driving the longitudinal moving trolley into templates on two sides of a steel mould system on the pouring pedestal, and simultaneously starting a driving mechanism to enable the side templates, the bottom template and the end template to be butted into a pouring accommodating cavity of the prefabricated light T-shaped beam so as to realize the accommodating and positioning of the reinforcement cage; then, the locking device is arranged on the platform and the support frame penetrating through the longitudinal moving trolley and is used for realizing the relative clamping and positioning of the bottom template and the side template; meanwhile, locking devices are arranged on the horizontal truss and the fixed support and are used for positioning the horizontal truss;

s3, transporting and sampling pouring raw materials: pouring raw materials are injected into a torpedo tank by a mixing station, and the torpedo tank conveys the pouring raw materials into a distributing machine on a pouring accommodating cavity through a conveying rail; before the material distributor starts to distribute the material to the pouring accommodating cavity, a hopper of the concrete sampling device is moved to the position below a discharge hole of the material distributor to sample;

s4, concrete distribution and vibration: concrete distribution and vibration: a discharge port of the material distributor is opposite to one end of the pouring accommodating cavity for distributing materials; dividing the side templates on two sides of the whole T-shaped beam into a plurality of symmetrical vibration units along the length direction; the single vibration unit comprises four layers of vibrators which are uniformly arranged in sequence and are used for vibrating the lower outer side edges and the upper parts of two sides of the lower flange plate part to be poured and the lower part and the middle part of the web plate part;

the material distributing machine sequentially distributes materials in a partitioning manner along the length direction of the T-shaped beam, and sequentially distributes materials in multiple layers from bottom to top along the height direction of the T-shaped beam; meanwhile, the vibrator vibrates the corresponding area of each layer;

s5, capping and positioning molding by using the mold: two ends of a pull rod of the pull rod assembly respectively penetrate through the support frames of the driving mechanisms on the two sides, extend outwards and are connected with the clamping nuts, and the upper template under the pull rod is positioned and installed on an upper opening structure of the pouring accommodating cavity through the clamping nuts;

s6, demolding and transferring: after the pouring raw material is solidified, respectively removing the pull rod assembly and the locking device, starting the driving mechanism to enable the side template to move towards the outer side of the prefabricated light T beam, demolding two sides of the prefabricated light T beam, pushing the longitudinal moving trolley to move out of the pouring pedestal to the lower moving processing station, and then moving the end template outwards for demolding;

s7, performing high-temperature steam curing, namely moving the prefabricated light T-beam on the longitudinal moving trolley to a high-temperature steam curing platform for high-temperature steam curing;

s8, tensioning, grouting and finishing: tensioning and grouting the prefabricated light T-shaped beam on the longitudinal moving trolley by using a shuttle machine steel strand and an integrated tensioning shed operating platform; then, brushing a template with a water washing agent and washing the prefabricated light T-shaped beam on the longitudinally-moving trolley by using a high-pressure water gun for finishing;

s9, drip irrigation and maintenance: hoisting the prefabricated light T-beam on the longitudinal moving trolley to a maintenance area through a crane, and performing periodic maintenance on the prefabricated light T-beam through a drip irrigation system; and moving the longitudinal moving trolley to the rotary track, and returning to the steel bar binding station to circularly make the beam.

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