CN112720833B

CN112720833B - Production device and application method of precast concrete structure

Info

Publication number: CN112720833B
Application number: CN202011540444.6A
Authority: CN
Inventors: 黄玉林; 张龙龙; 左自波; 潘曦; 杜晓燕
Original assignee: Shanghai Construction Group Co Ltd
Current assignee: Shanghai Construction Group Co Ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2022-08-09
Anticipated expiration: 2040-12-23
Also published as: CN112720833A

Abstract

The invention relates to a production device of a precast concrete structure and an application method thereof. The production device of the precast concrete structure comprises a workbench, a supporting template moving part, a spot welding part, a material injection part and a vibration part. Above-mentioned precast concrete structure's apparatus for producing moves the template to predetermineeing the position through supporting template removal portion when using, accomplishes the template and assembles, then welds the reinforcing bar that inserts in the template through spot welding portion, annotates the material portion after that and carries out pouring of concrete thick liquids to adopt vibration portion to vibrate concrete thick liquids, make the packing of the concrete thick liquids of pouring in the district more closely knit. Above-mentioned precast concrete structure's apparatus for producing has improved the automation of precast concrete structure, standardized level and precast concrete structure's quality for the precast concrete board mass effect that the preparation obtained is better, and the shape precision of structure is higher. In addition, the application method of the precast concrete structure is simple in steps, convenient to operate and suitable for popularization and application.

Description

Production device and application method of precast concrete structure

Technical Field

The invention relates to the field of building construction, in particular to a production device and an application method of a precast concrete structure.

Background

The investment of the government of the country and each province and city to the infrastructure construction is continuously enlarged, the infrastructure construction is transferred to a remote mountain area from a busy metropolis, and a series of civil assistance infrastructure construction is carried out in some regions with dangerous terrain and poor resources. In order to accelerate the construction progress of engineering projects and the long-term development of buildings, the traditional cast-in-place concrete structure mode cannot meet the requirement of people on pursuing happy life.

In particular, the conventional cast-in-place concrete construction has the following disadvantages: firstly, the construction process of casting concrete on site not only wastes time and resources, but also may be limited by construction environment sites, such as city centers, living areas, schools, and the like. Secondly, the strength evolution process of the concrete is slow, the strength is upgraded fast in summer and needs more than ten hours, the temperature in winter is low, the strength evolution time of the concrete can be greatly prolonged, and collapse accidents can easily occur if the strength of the concrete does not reach the bearing standard during construction. From the above aspects, the construction method of cast-in-place concrete is not suitable for all construction occasions.

In many developed countries, fabricated concrete construction is the most important way for building industrialization, and has many advantages of improving quality, shortening construction period, saving energy, reducing consumption, clean production and the like. At present, with the rapid development of economy in China, the construction industry and other industries are subjected to industrial technical transformation. The fabricated building has the characteristics of quick construction, short period and contribution to winter construction. The component prefabrication adopts the shaping template plane construction operation to replace the vertical crossing operation of a cast-in-place structure, and has the characteristics of high production efficiency, good product quality, safety, environmental protection, effective cost reduction and the like. In addition, material loss and construction procedures are reduced.

Disclosure of Invention

In view of the above, it is necessary to provide a precast concrete structure production apparatus and an application method thereof suitable for a fabricated concrete building, in order to solve the problem that a cast-in-place concrete construction method cannot be applied to all construction sites.

An apparatus for producing a precast concrete structure, comprising:

the workbench comprises a first surface and a second surface which are oppositely arranged;

the supporting template moving part is arranged on the first surface and comprises a driving group and a template group, the driving group comprises an X-direction driving piece and a Y-direction driving piece, the template group comprises an X-direction template and a Y-direction template, the X-direction driving piece is connected with the X-direction template, and the Y-direction driving piece is connected with the Y-direction template; reinforcing steel bar holes are formed in both the X-direction template and the Y-direction template;

the spot welding part comprises a platform stand column, a spot welding guide group and a spot welding group, the platform stand column is arranged on the first surface and positioned on the outer side of the supporting template moving part, the spot welding guide group is arranged on the platform stand column and connected with the platform stand column, the spot welding group is connected with the spot welding guide group, and the spot welding group can move along the extending direction of the template group under the action of the spot welding guide group;

the material injection part comprises an X-direction track, a support, a Y-direction track and a material supply group, the X-direction track is arranged on the first surface and located on the outer side of the spot welding part, one end of the support is located on the X-direction track and can move along the X-direction track, the Y-direction track is arranged at the other end of the support, and the material supply group is arranged on the Y-direction track and can move along the Y-direction track;

and the vibrating part is arranged on the second surface and is connected with the workbench.

In one embodiment, the X-direction driving member includes an X-direction cylinder and an X-direction cylinder tailstock, the X-direction cylinder tailstock is fixed to the workbench, and one end of the X-direction cylinder is connected to the X-direction cylinder tailstock while the other end is connected to the X-direction template.

In one embodiment, the Y-directional driver is identical in structure to the X-directional driver.

In one embodiment, the spot welding guide set comprises an X-axis guide, a Y-axis guide and a Z-axis guide, the X-axis guide is disposed on the platform column, the Y-axis guide is disposed on the X-axis guide and can move along the X-axis guide, the Z-axis guide is disposed on the Y-axis guide and can move along the Y-axis, and the spot welding set is connected with the Z-axis guide and can move along the Z-axis guide.

In one embodiment, the X-axis guide part comprises an X-axis screw motor, two X-axis screw sliding tables arranged in parallel and a conveyor belt, wherein the X-axis screw motor is connected with one of the X-axis screw sliding tables, and the conveyor belt is positioned on the two X-axis screw sliding tables in a sleeved mode.

In one embodiment, the X-axis lead screw sliding table is sleeved with the X-axis lead screw sliding table base, and the Y-axis guide is connected with the X-axis lead screw sliding table base.

In one embodiment, the number of the X-direction rails is two, the two X-direction rails are arranged in parallel, the number of the brackets is two, the two brackets are respectively and vertically arranged on the X-direction rails, a bearing beam is arranged between the two brackets, and the Y-direction rails are arranged on the side edges of the bearing beam.

In one embodiment, the feeding group includes an injection machine cylinder, a stirring motor, a rotating shaft, a stirring turbine and a troweling plate, a handle is arranged on one side of the injection machine cylinder close to the Y-direction track, the handle is used for being detachably connected with the moving member, the stirring turbine is sleeved outside the rotating shaft and connected with the rotating shaft, the stirring turbine and the rotating shaft are located inside the injection machine cylinder, the stirring motor is connected with the rotating shaft, a discharge port is formed in one end of the injection machine cylinder close to the workbench, the troweling plate is connected with the injection machine cylinder, and the height of the bottommost end of the troweling plate is smaller than the height of the bottommost end of the discharge port.

In one embodiment, the workstation has seted up the opening, vibration portion includes support column, vibrating part and vibration panel, support column one end pass through the elastic component with vibration panel connects, and the other end is used for being connected with ground, vibrating part one end with vibration panel connects, the other end be used for with ground is connected, vibration panel is in can stretch into and withdraw from under the drive of vibrating part the opening.

The application method of the production device of the precast concrete structure comprises the following steps:

starting an X-direction driving piece and a Y-direction driving piece of the driving group, pushing the X-direction template and the Y-direction template to move to a preset supporting position, and completing splicing of the X-direction template and the Y-direction template;

inserting reinforcing steel bars into the reinforcing steel bar holes of the X-direction template and the Y-direction template to finish the laying of the reinforcing steel bars;

under the action of the spot welding guide group, the spot welding group moves along the extending direction of the X-direction template and the Y-direction template to complete the welding between the reinforcing steel bars;

the feeding group pours concrete slurry into a pouring area surrounded by the X-direction template and the Y-direction template under the guidance of the X-direction track and the Y-direction track;

and starting the vibrating part to enable the concrete slurry in the pouring area to be densely filled, and finishing the manufacturing of the precast concrete structure when the concrete slurry reaches the preset hardness.

When the production device of the precast concrete structure is used, the X-direction driving piece and the Y-direction driving piece are started, so that the X-direction template and the Y-direction template are respectively moved to preset positions, and the assembly of the X-direction template and the Y-direction template is completed; then, according to the design requirement of the strength of the concrete structure, inserting the reinforcing steel bars into reinforcing steel bar holes of the X-direction template and the Y-direction template respectively to finish the arrangement of the X-direction reinforcing steel bars and the Y-direction reinforcing steel bars; and preparing welding work, and enabling the spot welding group to move along the extending direction of the template group under the action of the spot welding guide group to complete the welding of the intersection of the X-direction reinforcing steel bars and the Y-direction reinforcing steel bars. After all welding works are finished, the feeding group moves along the X-direction track and the Y-direction track, so that concrete slurry in the feeding group is poured into a pouring area formed by enclosing the X-direction template and the Y-direction template; and finally, starting the vibration part to ensure that the concrete slurry in the pouring area is more densely filled. And finishing the manufacture of the precast concrete structure when the concrete slurry reaches the preset hardness. Above-mentioned precast concrete structure's apparatus for producing has improved precast concrete structure's automation, standardized level and precast concrete structure's quality for the precast concrete board mass effect that the preparation obtained is better, and the shape precision of structure is higher. In addition, the application method of the precast concrete structure is simple in steps, convenient to operate and suitable for popularization and application.

Drawings

Fig. 1 is a schematic structural view of an apparatus for manufacturing a precast concrete structure according to an embodiment;

fig. 2 is a plan view showing an example of a manufacturing apparatus for a precast concrete structure;

fig. 3 is a schematic view illustrating the construction of a moving portion of a supporting template and a spot welding portion of the apparatus for manufacturing a precast concrete structure shown in fig. 1;

fig. 4 is an enlarged schematic view of the structure at a manufacturing apparatus a of the precast concrete structure shown in fig. 3;

fig. 5 is an enlarged view illustrating a portion of the construction of a spot-welded portion of the apparatus for manufacturing a precast concrete structure shown in fig. 3;

fig. 6 is a schematic view illustrating the construction of a material injection part of the apparatus for manufacturing a precast concrete structure shown in fig. 1;

fig. 7 is an enlarged view of a partial structure of a material injection part of the apparatus for manufacturing a precast concrete structure shown in fig. 6;

fig. 8 is a schematic view illustrating the construction of a feeding group of a material injection part of the apparatus for manufacturing a precast concrete structure shown in fig. 6;

FIG. 9 is a top plan view of the feed group shown in FIG. 8;

fig. 10 is a schematic view illustrating the construction of a vibrating part of the apparatus for manufacturing a precast concrete structure shown in fig. 1.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.

As shown in fig. 1 and 2, the apparatus for manufacturing a precast concrete structure according to an embodiment includes a table 1, a supporting form moving part 2, a spot welding part 3, a material injection part 4, and a vibration part 5, the table 1 includes a first surface 10 and a second surface 12 which are oppositely disposed, the supporting form moving part 2, the spot welding part 3, and the material injection part 4 are disposed on the first surface 10, and the vibration part 5 is disposed on the second surface 12;

as shown in fig. 3 to 5, the supporting template moving portion 2 is disposed on the first surface 10, and includes a driving group and a template group, the driving group includes an X-direction driving member 20 and a Y-direction driving member 22, the template group includes an X-direction template 210 and a Y-direction template 212, the X-direction driving member 20 is connected to the X-direction template 210, the Y-direction driving member 22 is connected to the Y-direction template 212, and both the X-direction template 210 and the Y-direction template 212 are provided with reinforcing steel bar holes for the penetration of the reinforcing steel bars 21;

the spot welding part 3 comprises a platform upright post 30, a spot welding guide group and a spot welding group 32, the platform upright post 30 is positioned on the outer side of the supporting template moving part 2, the spot welding guide group is arranged on the platform upright post 30 and connected with the platform upright post 30, the spot welding group 32 is connected with the spot welding guide group, and the spot welding group 32 can move along the extending direction of the template group under the action of the spot welding guide group;

as shown in fig. 6, the injection unit 4 includes an X-direction rail 40, a holder 42, a Y-direction rail 44, and a feeding group 46, the X-direction rail 40 is located outside the spot welding unit 3, one end of the holder 42 is located on the X-direction rail 40 and is movable along the X-direction rail 40, the other end of the holder 42 is provided with the Y-direction rail 44, and the feeding group 46 is provided on the Y-direction rail 44 and is movable along the Y-direction rail 44.

When the production device of the precast concrete structure is used, the X-direction driving piece 20 and the Y-direction driving piece 22 are started, so that the X-direction template 210 and the Y-direction template 212 respectively move to preset positions, and the assembly of the X-direction template 210 and the Y-direction template 212 is completed; then, according to the design requirement of the strength of the concrete structure, the reinforcing steel bars 21 are respectively inserted into reinforcing steel bar holes of the X-direction template 210 and the Y-direction template 212, and the arrangement of the X-direction reinforcing steel bars 21 and the Y-direction reinforcing steel bars 21 is completed; then, a welding operation is prepared, and the spot welding group 32 is moved in the extending direction of the formwork group by the spot welding guide group, thereby completing the welding of the intersection of the X-direction reinforcing steel bar 21 and the Y-direction reinforcing steel bar 21. After all welding operations are finished, the feeding group 46 is moved along the X-direction track 40 and the Y-direction track 44, so that concrete slurry in the feeding group 46 is poured into a pouring area formed by the enclosing of the X-direction formwork 210 and the Y-direction formwork 212; and finally, starting the vibration part 5 to ensure that the concrete slurry in the pouring area is more densely filled. And finishing the manufacture of the precast concrete structure when the concrete slurry reaches the preset hardness. Above-mentioned precast concrete structure's apparatus for producing has improved the automation of precast concrete structure, standardized level and precast concrete structure's quality for the precast concrete board mass effect that the preparation obtained is better, and the shape precision of structure is higher.

The workbench 1 provides a platform for manufacturing a precast concrete structure and simultaneously provides support for the supporting template moving part 2, the spot welding part 3 and the material injection part 4. The worktable 1 comprises a first surface 10 and a second surface 12 which are oppositely arranged, taking the example shown in fig. 1 as an example, the first surface 10 is the upper surface of the worktable 1, and the second surface 12 is the lower surface of the worktable 1. In addition, as shown in fig. 6, the working platform 1 is provided with an opening 100, and the shape of the opening 100 is matched with the shape of a casting area formed by splicing the X-direction formwork 210 and the Y-direction formwork 212, so as to facilitate the vibration of concrete slurry and the demolding of a prefabricated concrete structure in the later period, which will be described in detail later.

The supporting form moving part 2 is for automatic splicing of forms, and according to the manufacturing requirements, the size of the structure of precast concrete to be manufactured, and thus the size of the X-direction form 210 and the Y-direction form 212, can be determined. Then, under the pushing of the X-direction driving member 20 and the Y-direction driving member 22, the X-direction template 210 and the Y-direction template 212 move to the preset supporting positions, and the splicing is completed. It can be understood that the number of the X-direction formwork 210 and the Y-direction formwork 212 is two, and the two X-direction formwork 210 and the two Y-direction formwork 212 are spliced to form a rectangular casting area, and the shape of the casting area is matched with the shape of precast concrete to be manufactured.

As shown in fig. 3, in the present embodiment, the X-directional driving unit 20 includes an X-directional cylinder 200 and an X-directional cylinder tailstock 201, the X-directional cylinder tailstock 201 is fixed to the worktable 1, and one end of the X-directional cylinder 200 is connected to the X-directional cylinder tailstock 201, and the other end is connected to the X-directional template 210. The X-direction cylinder 200 is started, and the X-direction template 210 can move along with the extension and the shortening of the plunger rod of the X-direction cylinder 200. In this embodiment, an X-direction formwork connecting element 202 is disposed at a front end of a plunger rod of the X-direction cylinder 200, the X-direction formwork connecting element 202 is connected to an X-direction formwork 210, and the X-direction cylinder 200 is connected to the X-direction formwork connecting element 202 through the plunger rod, so as to be connected to the X-direction formwork 210, wherein the X-direction formwork connecting element may be a steel plate. An X-direction oil cylinder supporting seat 203 is arranged at the lower part of the X-direction oil cylinder 200, and the X-direction oil cylinder supporting seat 203 is arranged between the X-direction oil cylinder 200 and the workbench 1 and is respectively connected with the X-direction oil cylinder 200 and the workbench 1 so as to provide support for the X-direction oil cylinder 200.

Further, in the present embodiment, the Y-directional driver 22 and the X-directional driver 20 have the same structure. As shown in fig. 3, the Y-directional driving unit 22 includes a Y-directional cylinder 220 and a Y-directional cylinder tailstock 221, the Y-directional cylinder 220 is fixed to the table 1, one end of the Y-directional cylinder 220 is connected to the Y-directional cylinder tailstock 221, and the other end is connected to the Y-directional template 212. A Y-direction template connecting piece 222 is arranged at the end part of the plunger rod of the Y-direction oil cylinder 220, the Y-direction template connecting piece 222 is connected with the Y-direction template 212, and the Y-direction oil cylinder 220 is connected with the Y-direction template 212 through the Y-direction template connecting piece 222. A Y-direction cylinder support base 223 is disposed below the Y-direction cylinder 220, and the Y-direction cylinder support base 223 is disposed on the worktable 1 and connected to the Y-direction cylinder 220, thereby providing support for the Y-direction cylinder 220.

Referring to fig. 2 and 3, in the present embodiment, the number of the X-directional driving elements 20 and the Y-directional driving elements 22 is four, that is, two X-directional driving elements 20 are disposed on two opposite sides of the casting area, and two Y-directional driving elements 22 are disposed on the other two opposite sides of the casting area. In other embodiments, other numbers of X-drives 20 and Y-drives 22 may be used, for example, a greater number of X-drives 20 may be selected when the size of the X-die plate 210 is greater. When the size of the X-direction die plate 210 is small, a smaller number of X-direction drivers 20 may be selected. In this embodiment, the X-directional driving members 20 are symmetrically disposed on opposite sides of the casting area, and similarly, the Y-directional driving members 22 are symmetrically disposed on opposite sides of the casting area, so that the force applied to the X-directional formwork 210 or the Y-directional formwork 212 is more uniform, and the smooth movement of the X-directional formwork 210 or the Y-directional formwork 212 is realized. Further, in this embodiment, a displacement sensor and a controller may be provided, and the controller is connected to the displacement sensor, the X-direction cylinder 200 and the Y-direction cylinder 220, so as to achieve the precise positioning of the moving positions of the X-direction template 210 and the Y-direction template 212, wherein the controller may be a programmable logic controller. The control mode of the controller and the setting mode of the displacement sensor are the control mode and the setting mode commonly used in the field, and are not limited here.

Reinforcing steel bar holes are formed in the X-direction template 210 and the Y-direction template 212 and used for the penetration of the reinforcing steel bars 21. According to the setting requirement of the concrete structure strength, the arrangement of the layered steel bars can be carried out. In this embodiment, taking laying a layer of steel bars 21 as an example, the positions of the steel bar holes in the X-direction formwork 210 are lower than the positions of the steel bar holes in the Y-direction formwork 212 by a distance of one steel bar diameter, or the positions of the steel bar holes in the Y-direction formwork 212 are lower than the positions of the steel bar holes in the X-direction formwork 210 by a distance of one steel bar diameter, so that the steel bars 21 in the X-direction and the Y-direction can be ensured to penetrate through the X-direction formwork 210 and the Y-direction formwork 212 and can be fixed and constrained. In this embodiment, taking the height of the X-direction reinforcement 21 lower than the height of the Y-direction reinforcement 21 as an example, in implementation, the X-direction reinforcement 21 is inserted into the reinforcement hole of the X-direction formwork 210, and then the Y-direction reinforcement 21 is inserted into the reinforcement hole of the Y-direction formwork 212, and it is ensured that both ends of the X-direction reinforcement 21 and both ends of the Y-direction reinforcement 21 extend out of the X-direction formwork 210 or the Y-direction formwork 212.

After the laying of the X-direction reinforcing bars 21 and the Y-direction reinforcing bars 21 is completed, the welding work of the reinforcing bars 21 is prepared. When the arrangement of the steel bars 21 is completed, the X-direction steel bars 21 and the Y-direction steel bars 21 form a grid type interactive structure in the pouring area. It is necessary to weld the intersections of the X-directional reinforcing bars 21 and the Y-directional reinforcing bars 21 in order to secure the strength of the precast concrete structure.

As shown in fig. 3, the spot welding portion 3 includes a platform pillar 30, a spot welding guide group, and a spot welding group 32, and the platform pillar 30 is vertically disposed on the first surface 10 of the table 1 and is located at an outer side of the supporting template moving portion 2. The spot welding guide group is disposed on the platform column 30 and connected to the spot welding group 32, and the spot welding group 32 can move in the extending direction of the template group by the spot welding guide group, that is, the spot welding group 32 can move in the X direction and the Y direction. The spot welding group 32 is provided with a spot welding device, and under the action of the spot welding guide group, the spot welding group 32 can move along the X-direction template 210 or the extension direction of the X-direction template 210, so that the X-direction steel bars 21 and the Y-direction steel bars 21 are welded and connected.

In this embodiment, spot welding direction group includes X axle guide, Y axle guide and Z axle guide, and the X axle guide sets up on platform stand 30, and the Y axle guide sets up on the X axle guide and can follow the X axle guide removes, and the Z axle guide sets up on the Y axle guide and can follow the Y axle and remove, and spot welding group 32 is connected with the Z axle guide and can follow the Z axle guide and remove. It should be noted that the X-axis, the Y-axis, and the Z-axis are used to describe the moving direction of the spot welding group 32. Specifically, an X-axis guide is used to guide the movement of the spot-welded group 32 in the X-axis direction, a Y-axis guide is used to guide the movement of the spot-welded group 32 in the Y-axis direction, and a Z-axis guide is used to guide the movement of the spot-welded group 32 in the Z-axis direction. As shown in fig. 3, in the present embodiment, the number of the platform columns 30 is four, and four platform columns 30 are respectively disposed outside four top corners of the casting area.

Further, referring to fig. 3 and fig. 4, in the present embodiment, the X-axis guide includes an X-axis screw motor 300, two parallel X-axis screw sliding tables 302, and a conveyor belt 303, wherein the X-axis screw motor 300 is connected to one of the X-axis screw sliding tables 302, and the conveyor belt 303 is disposed on the two X-axis screw sliding tables 302. Two X-axis lead screw slip tables 302 are respectively arranged on the platform upright posts 30, that is, two platform upright posts 30 are arranged below each X-axis lead screw slip table 302. The two ends of the Y-axis guide are respectively disposed on the two X-axis lead screw sliding tables 302, and can move along the X-axis lead screw sliding tables 302. Further, in the present embodiment, an X-axis screw slide base 304 is sleeved on the X-axis screw slide table 302, and the Y-axis guide is connected to the X-axis screw slide base 304. The X-axis lead screw motor 300 is started to drive one of the X-axis lead screw sliding tables 302 to rotate, so as to drive the conveying belt 303 to rotate, and the conveying belt 303 drives the other X-axis lead screw sliding table 302 to rotate. When X axle screw slider slip table 302 rotates, can make the X axle screw slider slide mount 304 of establishing on X axle screw slider slip table 302 remove along X axle screw slider slip table 302, finally make the Y axle guide piece of being connected with X axle screw slider slide mount 304 remove along X axle screw slider slip table 302. The X-axis lead screw sliding table bases 304 on the two X-axis lead screw sliding tables 302 can move synchronously by adopting the conveying belt 303, so that the movement of the Y-axis guide piece is more stable, and meanwhile, the using quantity of the X-axis lead screw motors 300 is also saved. In addition, the connection mode of the conveyor belt 303 and the X-axis screw sliding table 302 is the connection mode adopted in the field, and the details are not described herein.

Referring to fig. 3 and 5, in the present embodiment, the Y-axis guide includes a Y-axis screw motor 305, a Y-axis screw sliding table 306, and a Y-axis screw sliding table base 307, two ends of the Y-axis screw sliding table 306 are respectively disposed on the two X-axis screw sliding tables 302, and the Y-axis screw sliding table 306 is perpendicular to the X-axis screw sliding table 302. The Y-axis lead screw sliding table 306 is connected with the X-axis lead screw sliding table base 304, the Y-axis lead screw sliding table 306 is sleeved with the Y-axis lead screw sliding table 307, the Y-axis lead screw motor 305 is connected with the Y-axis lead screw sliding table 306, and the Z-axis guide is connected with the Y-axis lead screw sliding table 307. The Y-axis lead screw motor 305 is started to drive the Y-axis lead screw sliding table 306 to rotate, so that the Y-axis lead screw sliding table base 307 moves along the Y-axis lead screw sliding table 306, the Z-axis guide part moves along the Y-axis lead screw sliding table 306, and the spot welding group 32 connected with the Z-axis guide part moves along the Y-axis lead screw sliding table 306.

As shown in fig. 5, in the present embodiment, the Z-axis guide includes a Z-axis screw motor 308, a Z-axis screw slide table 309, and a Z-axis screw slide table base 310. The Z-axis screw sliding table 309 is connected to the Y-axis screw sliding table base 307, and the extending direction of the Z-axis screw sliding table 309 is perpendicular to the extending direction of the Y-axis screw sliding table 306. The Z-axis screw motor 308 is connected with a Z-axis screw sliding table 309, and the Z-axis screw sliding table 309 is sleeved with a Z-axis screw sliding table seat 310. The Z-axis screw motor 308 is started to drive the Z-axis screw sliding table 309 to rotate, so that the Z-axis screw sliding table seat 310 moves along the Z-axis screw sliding table 309.

With continued reference to fig. 5, in the present embodiment, the spot welding set 32 includes an electric telescopic cylinder 320 and a welding pen 322. The electric telescopic cylinder 320 is provided on the Z-axis screw slide base 310 and connected to the Z-axis screw slide base 310. A pair of welding pens 322 is arranged on the telescopic rod of the electric telescopic cylinder 320. The welding pen 322 can extend out to the welding position of the steel bar under the driving of the electric telescopic cylinder 320, and then the welding of the steel bar 21 is completed.

In order to realize the intellectualization of the welding of the steel bar 21, the welding position can be captured in two ways, one is identified by using a high-power camera technology, and the other is position selection by a motion control program. In consideration of the cost and the use environment requirement, the embodiment adopts writing of the operation control program to realize the positioning. Since the distance between the intersection of the X-direction reinforcement 21 and the Y-direction reinforcement 21 is known and also fixed. After the distance between the reinforcing steel bars 21 is obtained, the number of turns of the screw motor needing to rotate is obtained through conversion, the calculated pulse number is input to the motor through the controller, and accurate positioning of the X-axis screw rod sliding table 302 and the Y-axis screw rod sliding table 306 can be achieved. The welding process of the reinforcing bars 21 will be exemplified below.

The X-axis lead screw motor 300 is started, and the X-axis lead screw sliding table 302 starts to move, so as to drive the Y-axis guide member, the Z-axis guide member and the spot welding group 32 to move in the X direction. Then, the Y-axis lead screw motor 305 is started, and the Y-axis lead screw sliding table 306 rotates to drive the Z-axis guide and the spot welding group 32 to move in the Y direction. And starting the Z-axis screw motor 308, and driving the spot welding group 32 to move up and down by rotating the Z-axis screw sliding table 309. When the position of the welding pen 322 in the spot welding group 32 is located right above the welding point, the Z-axis lead screw motor 308 drives the Z-axis lead screw sliding table 309 to rotate, so that the Z-axis lead screw sliding table seat 310 drives the welding pen 322 to move downwards to reach the position of the welding point, and then the Z-axis lead screw motor 308 stops operating. The electric telescopic cylinder 320 is powered on, and the telescopic arm of the electric telescopic cylinder 320 drives the welding pen 322 to approach the connection point of the steel bar 21 and complete welding. When the welding of the intersection of the reinforcing bars is completed, the welding pen 322 is driven by the electric telescopic cylinder 320 to leave the welding position. The Z-axis screw motor 308 rotates, and the Z-axis screw slide table 309 rotates, so that the Z-axis screw slide table base 310 moves upward along the Z-axis direction. When the welding pen 322 reaches above the rebar 21, the Z-axis lead screw motor 308 stops. Next, the X-axis lead screw motor 300 and the Y-axis lead screw motor 305 are started, and the welding pen 322 moves to the next reinforcement welding position until all welding operations are completed.

And after all the steel bars 21 are welded, entering a concrete slurry injection process. In the present embodiment, as shown in fig. 1 and 6, the injection part 4 includes an X-direction rail 40, a holder 42, a Y-direction rail 44, and a feeding group 46, the X-direction rail 40 is disposed on the first surface 10 and outside the spot welding part 3, one end of the holder 42 is disposed on the X-direction rail 40 and is movable along the X-direction rail 40, the other end of the holder 42 is disposed with the Y-direction rail 44, and the feeding group 46 is disposed on the Y-direction rail 44 and is movable along the Y-direction rail 44. The carriage 42 is movable along the X-direction rail 40, and the supply group 46 connected to the carriage 42 is movable in the X-direction. That is, the supply group 46 can move in the X direction and the Y direction, and further, can pour the concrete slurry into the casting area.

As shown in fig. 6, in the present embodiment, the number of the X-direction rails 40 is two, the two X-direction rails 40 are arranged in parallel, the number of the brackets 42 is two, the two brackets 42 are respectively vertically arranged on the X-direction rails 40, the bearing beam 41 is arranged between the two brackets 42, the Y-direction rail 44 is arranged on the bearing beam 41, and the feeding unit 46 moves along the Y-direction rail 44 through the moving member 48. The X-direction rail 40 is positioned outside the spot welding portion 3, and the end portion of the bracket 42 near the X-direction rail 40 is provided with a roller 420, and the roller 420 is arranged on the X-direction rail 40. In addition, in the present embodiment, an X-direction driving motor 422 is further provided. An X-direction drive motor 422 is connected to the roller 420. And starting the X-direction driving motor 42 to drive the roller 420 to rotate, so that the bracket 42 travels along the X-direction track 40. Limiting plates are arranged at two ends of the X-direction track 40 to prevent the support 42 from sliding out of the X-direction track.

The other end of the bracket 42 is provided with a bearing beam 41, and two ends of the bearing beam 41 are respectively arranged on the two brackets 42, namely, the extending direction of the bearing beam 41 is perpendicular to the extending direction of the X-direction track 40. In addition, the load beam 41 is positioned above the spot welded portion 3 to avoid interference with the welding. In the present embodiment, the bearing beam 41 is a rectangular parallelepiped steel bar. A Y-direction rail 44 is arranged on the side edge of the bearing beam 41, and the feeding group 46 can move along the Y-direction rail 44 through a moving member. Specifically, the Y-rails 44 are grooves that open on the sides of the load beam 41. In addition, in the present embodiment, the support 42 is substantially triangular in shape to improve stability of the support. In other embodiments, the support 42 may have other shapes, and is not limited herein.

The supply group 46 is movable along the Y-direction track 44 by a moving member 48. Referring to fig. 6 and 7, the moving member 48 includes a connecting plate 480, a motor mounting bracket 481, a Y-direction driving motor 482, a gear set and a roller set, and the connecting plate 480 is connected to the feeding set 46. The motor mounting bracket 481 is disposed on the connection plate 480, and the Y-direction driving motor 482 is disposed on the motor mounting bracket 481 and connected to the gear train. The gear train is connected with the roller train, and the roller train sets up in Y to track 44. The Y-direction driving motor 482 is activated to drive the gear set to rotate, thereby driving the roller set to move along the Y-direction track 44, and further driving the feeding set 46 to move along the Y-direction track 44.

Specifically, as shown in fig. 7, in the present embodiment, the gear set includes a first gear 483a and a second gear 483b, the first gear 483a is connected to a Y-direction drive motor 482, and the first gear 483a and the second gear 483b are connected by a gear belt 485. The roller set includes a first roller 484a and a second roller 484b, the first roller 484a being connected to a first gear 483a, and the second roller 484b being connected to a first gear 483 a. In addition, the Y-direction drive motor 482 is provided with a transmission gear that meshes with the first gear 483 a. The gear belt 485 is engaged with a first gear 483a, a transmission gear and a second gear 483 b. The Y-direction driving motor 482 is started, the transmission gear rotates, the conveyor belt 303 engaged with the transmission gear and the first gear 483a are driven to rotate, and the second gear 483b is driven to synchronously rotate, so that the first roller 484a and the second roller 484b move along the Y-direction track 44, and finally the feeding group 46 is driven to move along the Y-direction track 44. In this embodiment, the gear set is located outside the Y-track 44 and the roller set is located inside the Y-track 44. The first gear 483a is coaxially coupled to the first roller 484a, and the second gear 483b is coaxially coupled to the second roller 484 b.

Further, as shown in fig. 6, 8 and 9, in this embodiment, the feeding group 46 includes a feeding cylinder 461, a stirring motor 462, a rotating shaft 463, a stirring turbine 464 and a troweling plate 465, a handle 466 is disposed on a side of the feeding cylinder 461 close to the Y-direction rail 44, the handle 466 is detachably connected to the moving member 48, the stirring turbine 464 is sleeved outside the rotating shaft 463 and is connected to the rotating shaft 463, the stirring turbine 464 and the rotating shaft 463 are disposed inside the feeding cylinder 461, the stirring motor 462 is connected to the rotating shaft 463, a discharge port 460 is disposed at an end of the feeding cylinder 461 close to the work table 1, the troweling plate 465 is connected to the feeding cylinder 461, and a height of a bottom end of the troweling plate 465 is smaller than a height of a bottom end of the discharge port 460. Annotate material machine cylinder 461 is used for loading concrete slurry, starts agitator motor 462, and drive axis of rotation 463 rotates, and then drives agitator turbine 464 and rotates to make agitator turbine 464 can the stirring concrete slurry, avoid the coagulation of concrete slurry.

The one end that annotates material quick-witted cylinder 461 is close to spandrel girder 41 is equipped with the sprue, is convenient for empting of concrete slurry, and the other end relative with the sprue is equipped with discharge gate 460, and promptly, discharge gate 460 sets up in the bottom of annotating material quick-witted cylinder 461, and under the effect of gravity, concrete slurry falls into from discharge gate 460 and pours the district in. As shown in fig. 8, the discharge port 460 is substantially square and opens at the middle of the bottom of the injector cylinder 461. The extension direction of the discharging port 460 is parallel to the side length of the bottom of the injecting machine cylinder 461. Further, the outlet 460 is generally funnel-shaped to facilitate the outflow of the concrete slurry. A valve is arranged at the discharge port 460, and the valve is kept closed under a normal condition and is opened when the material needs to be injected. The connection between the valve and the outlet 460 is a common connection in the art and will not be described herein.

Further, when the thickness of the concrete slurry in the formwork after casting is larger than the height of the steel bar, the cast concrete slurry can be pushed to be flat by the trowel 465 during casting. As shown in fig. 8, in the present embodiment, a troweling plate 465 is disposed at the bottom of the injector cylinder 461 and is connected to the injector cylinder 461. The troweling plate 465 is arranged in parallel with the discharge hole 460, and the height of the bottommost end of the troweling plate 465 is lower than that of the bottommost end of the discharge hole 460, so that the troweling of the concrete slurry is facilitated.

In addition, the material injector cylinder 461 is detachably connected to the moving member 48 via a handle 466, so that the material injector cylinder 461 can move on the Y-direction rail 44. In practical applications, the feeding group 46 is required to be able to move in the Z direction due to the different heights of the casting areas, so as to realize the upward or downward movement of the cylinder 461 of the injecting machine. As shown in fig. 7 and 8, in the present embodiment, the moving member 48 is further provided with a Z-direction lift motor 486, a bearing bracket 487, a bearing 488, and a driving rope 489. The Z-direction lifting motor 486 is connected with the connecting plate 480, the number of the bearing brackets 487 is two, the bearing brackets 487 are arranged on the connecting plate 480 in parallel and connected with the connecting plate 480, two ends of the bearing 488 are erected between the two bearing brackets 487, the Z-direction lifting motor 486 is connected with the bearing 488, one end of the transmission rope 489 is connected with the bearing 488, the other end of the transmission rope is wound on the bearing 488, a hook 490 is arranged at the end of the transmission rope, and the hook 490 is used for being connected with a handle 466 of the cylinder 461 of the injecting machine. The Z-direction lift motor 486 is activated to drive the bearing 488 to rotate, increasing or decreasing the number of winding turns of the driving rope 489 on the bearing 488, thereby achieving the ascending or descending of the injector cylinder 461 connected to the hook 490.

The raw materials adopted by the concrete slurry are different in particle shape and particle size, and the direct pouring mode easily causes the existence of a small gap in the interior of the template structure, so that the concrete structure cannot reach the maximum saturation strength, the use strength and the use safety factor of the template structure are reduced, and the potential risk of use exists. Therefore, during the concrete pouring process, the poured concrete slurry needs to be subjected to vibration treatment, so that the concrete slurry can more easily fill the gap.

Referring to fig. 1, 6 and 10, in the present embodiment, the working platform 1 is provided with an opening 100, the vibration portion 5 includes a supporting column 50, a vibration element 52 and a vibration panel 54, one end of the supporting column 50 is connected to the vibration panel 54 through an elastic element 51, the other end is used for being connected to the ground, one end of the vibration element 52 is connected to the vibration panel 54, the other end is used for being connected to the ground, and the vibration panel 54 can extend into and exit from the opening 100 under the driving of the vibration element 52. The vibrating portion 5 is located below the table 1, and the size of the vibrating panel 54 matches the size of the opening 100 of the table 1. During casting, the vibration panel 54 is located below the casting area and serves to support the casting area. After the casting is completed, the vibration panel 54 can move up and down by the vibration member 52, thereby vibrating the concrete slurry in the casting area. In the present embodiment, the number of the support columns 50 is 4, and the support columns are respectively provided at four corners of the vibration panel 54. In the present embodiment, the elastic member 51 is a vibration spring. The support column 50 is connected to the ground at one end and to the vibration panel 54 at the other end by a vibration spring. The base of the vibrating spring is disposed on the support column 50, and the top of the vibrating spring is disposed in a pre-groove at the bottom of the vibrating panel 54.

Further, as shown in fig. 10, in the present embodiment, the vibrating member 52 includes a supporting base 520, a vibrating motor 521, an eccentric 522, a rolling wheel 523 and a vibrating conveyor 524, the supporting base 520 is used to be connected to the ground at one end, and is used to support the vibrating motor 521 at the other end, the vibrating motor 521 is connected to the eccentric 522, the eccentric 522 is connected to the rolling wheel 523 through the vibrating conveyor 524, and the rolling wheel 523 is disposed on the vibrating panel 54 through the roller 420 and the bracket 42. The vibration motor 521 is started to drive the eccentric wheel 522 to rotate, the vibration transmission belt 524 acts on the rolling wheel 523, and when the eccentric wheel 522 rotates for one circle, the rolling wheel 523 also moves up and down once, so that the vibration panel 54 is driven to move up and down, and the effect of vibrating the poured concrete slurry is achieved. In this embodiment, the rotation speed of the vibration motor 521 does not need to be too fast, and the rotation speed of the motor is 60 r/min. The vibration spring is made of high-strength materials, and the rebound effect is good. The vibration spring assists the vibration motor 521 and the eccentric 522 to complete the platform vibration work. The concrete vibration effect is determined by the rotation speed of the vibration motor 521 and the offset of the eccentric 522. In this embodiment, the eccentric 522 is a cam. In order to avoid the concrete slurry of the template leaking out from the bottom due to the overlarge offset, the vibration amplitude is generally controlled to be about 3 mm. In addition, some sealing measures are also taken to fill the gaps of the template, which is not described herein again.

The following is a description of an application method of the above-described apparatus for producing a precast concrete structure.

The application method of the apparatus for manufacturing a precast concrete structure of an embodiment includes the steps of:

and step one, starting an X-direction driving element 20 and a Y-direction driving element 22 of a driving group, pushing the X-direction template 210 and the Y-direction template 212 to move to a preset supporting position, and completing splicing of the X-direction template 210 and the Y-direction template 212. The sizes of the X-directional formworks 210 and the Y-directional formworks 212 are set according to the size of the precast concrete structure, and then the X-directional formworks 210 and the Y-directional formworks 212 are pushed to predetermined supporting positions by the X-directional driving members 20 and the Y-directional driving members 22, thereby completing the splicing of the X-directional formworks 210 and the Y-directional formworks 212.

And step two, inserting the reinforcing steel bars 21 into the reinforcing steel bar holes of the X-direction formwork 210 and the Y-direction formwork 212 to finish the laying of the reinforcing steel bars. Reinforcing steel bar holes are formed in the X-direction formwork 210 and the Y-direction formwork 212, and after the formworks are spliced, the reinforcing steel bars 21 are inserted into the reinforcing steel bar holes of the X-direction formwork 210 and the Y-direction formwork 212. And finishing the layout of the steel bars according to the design requirement of the strength of the concrete structure.

And step three, under the action of the spot welding guide group, the spot welding group 32 moves along the extending direction of the X-direction template 210 and the Y-direction template 212, and the welding between the reinforcing steel bars 21 is completed. After the laying of the reinforcing bars 21 is completed, the welding work of the reinforcing bars 21 is prepared. The spot welding group 32 moves in the X direction or the Y direction by the spot welding guide group, thereby completing the welding work.

And fourthly, the feeding group 46 pours concrete slurry into the pouring area surrounded by the X-direction template 210 and the Y-direction template 212 under the guidance of the X-direction track 40 and the Y-direction track 44. And after all welding works are finished, entering a concrete slurry injecting process. The supply group 46 is moved in the X direction by the guide of the X-direction rail 40 and moved in the Y direction by the guide of the Y-direction rail 44, thereby injecting the concrete slurry into the casting area. Further, during casting, the concrete slurry is pushed flat.

And step five, starting the vibration part 5 to enable the concrete slurry in the pouring area to be filled compactly, and finishing the manufacturing of the precast concrete structure when the concrete slurry reaches the preset hardness. The concrete slurry in the pouring area is vibrated through the vibrating part 5, so that the filling of the concrete slurry in the pouring area is more compact.

The production device of the precast concrete structure and the application method thereof improve the automation, standardization and intelligentization level of the precast concrete structure and the quality of the precast concrete structure, so that the product quality effect of the precast concrete structure obtained by processing is better, and the shape precision of the structure is higher. In addition, the application method of the production device of the precast concrete structure has simple process and convenient control, and saves the labor cost. In addition, the supporting template moving part of the production device of the precast concrete structure has the advantages of high positioning precision and more convenient control; the welding of the reinforcing steel bars is realized through the spot welding part, and the operation flow of manually binding the reinforcing steel bars is saved; the automatic material injection function can be realized through the material injection part, the control is convenient, and the material injection mode is more scientific; the vibrating part improves the problem of concrete structure gaps, so that the interior of the prefabricated structure is full, and the solidification strength is high. Therefore, compared with the traditional manufacturing mode, the precast concrete structure manufactured by the precast concrete structure production device has the advantages of better stability, higher standardization and higher quality.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. An apparatus for producing a precast concrete structure, comprising:

the spot welding part comprises a platform upright post, a spot welding guide group and a spot welding group, the platform upright post is arranged on the first surface and positioned on the outer side of the movable part of the supporting template, the spot welding guide group is arranged on the platform upright post and connected with the platform upright post, the spot welding group is connected with the spot welding guide group, the spot welding group can move along the extending direction of the template group under the action of the spot welding guide group, the spot welding guide group comprises an X-axis guide part, a Y-axis guide part and a Z-axis guide part, the X-axis guide part is arranged on the platform upright post, the Y-axis guide piece is arranged on the X-axis guide piece and can move along the X-axis guide piece, the Z-axis guide piece is arranged on the Y-axis guide piece and can move along the Y axis, and the spot welding group is connected with the Z-axis guide piece and can move along the Z-axis guide piece;

2. The apparatus for producing a precast concrete structure of claim 1, wherein the X-direction driving member includes an X-direction cylinder and an X-direction cylinder tailstock, the X-direction cylinder tailstock is fixed to the table, and one end of the X-direction cylinder is connected to the X-direction cylinder tailstock while the other end is connected to the X-direction formwork.

3. The apparatus for producing a precast concrete structure according to claim 2, wherein the Y-directional driving member has the same structure as the X-directional driving member.

4. The apparatus for producing a precast concrete structure of claim 1, wherein the X-axis guide member comprises an X-axis lead screw motor, two parallel X-axis lead screw sliding tables, and a conveyor belt, the X-axis lead screw motor is connected to one of the X-axis lead screw sliding tables, and the conveyor belt is positioned on the two X-axis lead screw sliding tables.

5. The apparatus for producing a precast concrete structure of claim 4, wherein an X-axis lead screw slide table base is sleeved on the X-axis lead screw slide table, and the Y-axis guide is connected with the X-axis lead screw slide table base.

6. The apparatus for producing a precast concrete structure according to claim 1, wherein the number of the X-directional rails is two, the two X-directional rails are arranged in parallel, the number of the brackets is two, the two brackets are respectively vertically arranged on the X-directional rails, a load-bearing beam is arranged between the two brackets, and the Y-directional rails are opened at the sides of the load-bearing beam.

7. The precast concrete structure production device of claim 6, wherein the feeding group comprises a feeding machine cylinder, a stirring motor, a rotating shaft, a stirring turbine and a troweling plate, wherein a handle is arranged on one side of the feeding machine cylinder close to the Y-direction rail and used for being detachably connected with a moving member, the stirring turbine is sleeved outside the rotating shaft and connected with the rotating shaft, the stirring turbine and the rotating shaft are located inside the feeding machine cylinder, the stirring motor is connected with the rotating shaft, a discharge port is formed in one end of the feeding machine cylinder close to the workbench, the troweling plate is connected with the feeding machine cylinder, and the height of the bottommost end of the troweling plate is smaller than the height of the bottommost end of the discharge port.

8. The apparatus for producing a precast concrete structure according to claim 1, wherein the worktable is provided with an opening, the vibration part comprises a support pillar, a vibration member and a vibration panel, one end of the support pillar is connected to the vibration panel through an elastic member, the other end of the support pillar is used for being connected to the ground, one end of the vibration member is connected to the vibration panel, the other end of the vibration member is used for being connected to the ground, and the vibration panel can extend into and withdraw from the opening under the driving of the vibration member.

9. A method for using an apparatus for producing a precast concrete structure according to any one of claims 1 to 8, comprising the steps of:

starting the X-direction driving piece and the Y-direction driving piece of the driving group, pushing the X-direction template and the Y-direction template to move to a preset supporting position, and completing splicing of the X-direction template and the Y-direction template;

and starting the vibration part to enable the concrete slurry in the pouring area to be tightly filled, and finishing the manufacturing of the precast concrete structure when the concrete slurry reaches the preset hardness.