CN111590729B

CN111590729B - A series of mold platform device and production process for three-dimensional production of precast concrete panels

Info

Publication number: CN111590729B
Application number: CN202010459449.XA
Authority: CN
Inventors: 郑永春
Original assignee: Neiqiu County Keji New Building Materials Co ltd
Current assignee: Neiqiu County Keji New Building Materials Co ltd
Priority date: 2020-05-27
Filing date: 2020-05-27
Publication date: 2025-05-30
Anticipated expiration: 2040-05-27
Also published as: CN111590729A

Abstract

The invention belongs to the technical field of assembly type constructional engineering, and particularly relates to a serial mold table device for three-dimensionally producing precast concrete boards and a production process. The device comprises a die table lifting tool and a plurality of groups of die table components, wherein the die table components comprise a die table and a plurality of supporting columns, the supporting columns are arranged at the edges of the die table along the circumferential direction, the plurality of groups of die table components can be stacked to carry out three-dimensional production of precast concrete slabs, the supporting columns are used for supporting the die table components on the upper layer, and the die table lifting tool is used for lifting, translating and stacking the die table components. The invention can realize a prefabricated concrete member production mode with low investment, high output, quick effect, easy popularization and low energy consumption, such as prefabrication of reinforced concrete composite floor slabs and wallboards, has great influence on popularization and application of assembled buildings in China, and realizes economic benefit and social benefit.

Description

Series connection die table device for three-dimensional production of precast concrete boards and production process

Technical Field

The invention belongs to the technical field of assembly type constructional engineering, and particularly relates to a serial mold table device for three-dimensionally producing precast concrete boards and a production process.

Background

The great development of fabricated buildings is a fundamental direction of the upgrade of the building industry in China. The consumption of concrete prefabricated parts, especially floor slabs, wallboards and the like is larger and larger, the traditional production process and mode are large in investment, low in efficiency and energy consumption, and the productivity is higher and higher, so that the market demand is not met.

The mould table is a production platform of the concrete prefabricated component and consists of a mould table main beam, a mould table secondary beam and a mould table panel. The main beam of the die table is a main stress component of the whole die table and is responsible for ensuring the flatness and stability of the whole die table and transmitting the load of the whole die table to a ground foundation. The secondary beam of the die table ensures that the die table panel is smooth and stable, and transmits all loads on the die table panel to the main beam of the die table. The formwork panel is an operation surface for manufacturing the concrete prefabricated part, and is generally made of hard and smooth materials such as steel plates and the like so as to ensure the surface of the concrete prefabricated part to be smooth and even.

The existing mould table is composed of a fixed mould table and a production line mould table.

The fixed die table is directly laid on the ground, i.e. the main die table beam contacts the ground and remains stationary. The fixed die table is produced by tiling, namely the die table is tiled in a workshop and is fixed. The basic process comprises the steps of after the die assembly pouring is finished, curing in situ, and hoisting finished products in situ one by one. The die table has the defects that the die table main beam directly contacts with a ground foundation, if the ground is uneven, the main beam is extremely easy to twist to influence the component precision, the die table cannot be stacked, the main beam is deformed when being pressed layer by layer and is more easy to twist and deform when contacting with the ground, the floor area is large, the basic investment is large, the production efficiency is low, the personnel requirement is large, the single-layer plane maintenance is high, the energy consumption is high, the tiling production is difficult, the material and the finished product are difficult to transport, the personnel, the material and the equipment are mixed, the potential safety hazard is large, and the factory building space is not utilized.

The main beam of the assembly line mould table is arranged on the rail and runs on the rail through a movable pulley. And (3) flat die assembly line production, namely placing a die table on a track, keeping production station personnel motionless, moving the die table on the track, and lifting to a centralized point for maintenance through a complex mechanical device. The die table is not stacked, and is supported by a bracket structure during centralized maintenance, namely the upper die table and the lower die table are not contacted, otherwise, the die table is deformed. The method has the advantages of high requirements on factory buildings and infrastructure, large investment, long construction period, high investment on production equipment, long installation period, complex electric control equipment, high requirements on operators, large occupied area of a production area, serious unreasonable maintenance of components, high energy consumption, difficult guarantee of product quality, only planar movement of a die table, only movement in a specified route, unreasonable utilization of space, low production efficiency, single-line flow operation, blockage of the whole production line, material organization, overlong finished product transportation line, low efficiency, serious waste and incapability of cross operation once any link goes wrong.

Disclosure of Invention

Aiming at the problems, the invention aims to provide a serial die table device for three-dimensionally producing precast concrete boards and a production process thereof, so as to overcome the defects of the prior die table form and the production process.

In order to achieve the above purpose, the present invention adopts the following technical scheme:

a serial mold table device for three-dimensionally producing precast concrete boards comprises a mold table lifting tool and a plurality of groups of mold table components;

The die table assembly comprises a die table and a plurality of support columns, and the support columns are circumferentially arranged at the edge of the die table;

the mould table assemblies of the plurality of groups can be overlapped to carry out three-dimensional production of precast concrete boards, and the supporting columns are used for supporting the mould table assemblies of the upper layer;

The die table lifting tool is used for lifting, translating and stacking the die table components.

The upper ends of the support columns protrude out of the upper surface of the die table, and the height of the protruding parts is larger than the thickness of the precast concrete board;

The upper end surfaces of the support columns are positioned on the same horizontal plane.

The die table is of a rectangular structure, and alignment angle plates are arranged at four corners of the die table and used for aligning with the die table lifting tool.

The upper end face of the alignment angle plate and the upper end face of the support column are located at the same height.

The die table lifting appliance comprises a lifting rope, a frame and telescopic clamps, wherein at least one group of telescopic clamps which are oppositely arranged are arranged on the inner side of the frame, and the lifting rope is connected to the frame and used for being connected with external lifting equipment.

The frame is rectangular structure to the four corners is equipped with guiding mechanism, guiding mechanism be used for with the counterpoint scute cooperation on the mould platform four corners, will the frame is guided to the outside of mould platform.

The guide mechanism comprises a fixed plate, a telescopic rod and a guide plate, wherein the fixed plate is connected with the frame, the guide plate is hinged to the lower end of the fixed plate and inclines outwards, and the telescopic rod is arranged on the fixed plate and the telescopic end is connected with the guide plate.

A method of three-dimensionally producing precast concrete panels comprising a tandem formwork arrangement for three-dimensionally producing precast concrete panels as defined in any one of the above, the method comprising the steps of:

1) The die table is arranged in a tiled mode;

2) The concrete pouring step, in which a mould is supported on the arranged mould table, the reinforcing steel bar is bound and the embedded part is fixed, and then the concrete is poured;

3) Lifting the first die table, namely sinking a die table lifting tool aiming at the die table, aligning the die table lifting tool with the die table, and clamping the die table;

4) The die table is shifted, namely a die table lifting tool is connected with external lifting equipment through a sling, and the die table is lifted and horizontally shifted;

5) Stacking the mould platforms, namely stacking the mould platforms above another mould platform;

6) Multi-layer stacking, shifting and curing, namely stacking the die platforms to the designed layer number, and shifting the die platforms to a curing station in a whole stack manner through a die platform lifting tool to carry out three-dimensional curing;

7) The finished product is shifted, namely, after curing for a specified time, the concrete is hardened and formed, and the form removing strength is achieved;

8) And sequentially circulating.

In the step 3), the die table lifting tool is aligned with an alignment angle plate on the die table through a guide plate at the bottom, the frame is guided to the outer side of the die table, and the telescopic clamp stretches out and clamps the die table.

In step 5), the die table lifting tool is aligned with the alignment angle plate on the die table through the guide plate at the bottom, the frame is guided to the outer side of the die table, and the telescopic clamp is retracted to release the die table.

The invention has the advantages and beneficial effects that:

1. the serial die table device and the production process fully exert the respective advantages of the traditional fixed die table and the production line process (fixed die table: more operation surfaces and production line: high efficiency), and meanwhile, the defects of the two processes (fixed die table: inflexibility, low productivity and production line: large investment and high energy consumption) are abandoned.

2. The die table is convenient to manufacture, the section of the main beam can be greatly reduced as the main beam is changed into a multi-point support, the original die table is easy to reform, and the manufacturing cost is reduced.

3. The invention has compatible multi-process production, can be produced in a traditional tiling way, and can also be produced in a three-dimensional way. The three-dimensional production method has the advantages of greatly reducing the factory building area, fully utilizing the space, realizing three-dimensional regional maintenance, having low energy consumption and flexible operation, ensuring that the existing stock equipment is easy to reform, ensuring that the social benefit and the economic benefit are all good, greatly improving the production efficiency by stacking and centralized vertical and horizontal transportation of the mold tables, being capable of performing cross operation, being convenient for whole moving and no building rubbish is transported in a factory area, and having wide project coverage and large productivity.

4. The invention has flexible production mode, can be used for nomadic production on construction sites and can also be used for fixed factory building production.

Drawings

FIG. 1 is a schematic view of a serial modular platform assembly for three-dimensionally producing precast concrete panels according to the present invention;

FIG. 2 is a schematic view of a mold table according to the present invention;

FIG. 3 is a side view of FIG. 2;

FIG. 4 is a top view of FIG. 2;

FIG. 5 is a schematic view of the structure of the die table body of the present invention;

FIG. 6 is a side view of FIG. 5;

FIG. 7 is a schematic view of the structure of a modular platform sling according to the present invention;

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

FIG. 9 is a top view of FIG. 7;

FIG. 10 is a schematic view of a guide mechanism according to the present invention;

FIG. 11 is a schematic view of a mold table sling according to the present invention lifting a single mold table;

Fig. 12 is a schematic diagram of a die table hoist in the present invention for hoisting a tandem die table.

In the figure, 1 is a die table body, 101 is a die table main beam, 102 is a die table secondary beam, 103 is a die table panel, 2 is a support column, 3 is a counterpoint angle plate, 4 is a die table lifting appliance, 401 is a sling, 402 is a frame, 403 is a telescopic clamp, 404 is a guide mechanism, 4041 is a fixed plate, 4042 is a telescopic rod, and 4043 is a guide plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1, the serial formwork device for three-dimensional production of precast concrete slabs comprises a formwork lifting appliance 4 and a plurality of groups of formwork assemblies, wherein the formwork assemblies comprise a formwork 1 and a plurality of support columns 2, the support columns 2 are circumferentially arranged at the edges of the formwork 1, the groups of formwork assemblies can be stacked to perform three-dimensional production of precast concrete slabs, the support columns 2 are used for supporting formwork assemblies at the upper layer, and the formwork lifting appliance 4 is used for lifting, translating and stacking the formwork assemblies.

In the embodiment of the present invention, as shown in fig. 2 to 4, the support columns 2 are fixed near the edges of the mold table 1, the lower ends of the support columns may be flush with the bottom surface of the mold table 1 or protrude from the bottom surface, the upper ends of the mold table 1 protrude from the upper surface of the mold table 1, and the height of the protruding portions is greater than the thickness of the precast concrete panels so as to support the upper mold table assembly. Preferably, the support columns 2 in each layer are connected in series from bottom to top in sequence in a one-to-one correspondence manner to ensure reliable support of the stacked multiple groups of die table assemblies.

Further, the upper end surfaces of the support columns 2 at the edge of the die table 1 are positioned on the same horizontal plane, so that the horizontal position of the upper die table 1 is ensured.

In the embodiment of the invention, the die table 1 is of a rectangular structure, and four corners of the die table are provided with counterpoint angle plates 3, and the counterpoint angle plates 3 are used for counterpoint with the die table lifting tool 4. Preferentially, the upper end face of the alignment angle plate 3 and the upper end face of the support column 2 are located at the same height, so that smooth alignment of the die table lifting tool 4 and the alignment angle plate 3 is ensured, and meanwhile, support of the support column 2 on the upper die table 1 is not hindered.

As shown in fig. 5 to 6, in the embodiment of the present invention, the mold table 1 includes a mold table main beam 101, a mold table sub beam 102 and a mold table panel 103, and a plurality of mold table sub beams 102 parallel to each other are connected between the two mold table main beams 101, thereby forming a mold table support, and the mold table panel 103 is disposed on the mold table support.

As shown in fig. 7-9, in the embodiment of the present invention, the die table sling 4 includes a sling 401, a frame 402, and a telescopic fixture 403, where at least one set of telescopic fixtures 403 disposed opposite to each other is disposed on the inner side of the frame 402, and the sling 401 is connected to the frame 402 for connection with an external hoisting device.

The frame 402 has a rectangular structure, and four corners are provided with guide mechanisms 404, and the guide mechanisms 404 are used for being matched with the alignment angle plates 3 at the four corners of the die table 1 to guide the frame 402 to the outer side of the die table 1. In this embodiment, two sets of telescopic clamps 403 are disposed on four frames on the inner side of the frame 402, and the clamping or releasing of the mold platform 1 is achieved by extending or retracting the telescopic clamps 403.

Specifically, the sling 401 is made of flexible material, and can be a high-strength steel cable or a rope, and can synchronously move up and down through a pulley block. The frame 402 is a hollow frame-shaped structure with high rigidity and high strength, the inner frame is slightly larger than the outer outline of the serial die table, and a hydraulic and electric control system is built in the frame. The retractable clip 403 is disposed on the inner side of the frame 402 and can be snapped onto the outer side of the main beam 101 of the mold table when extended. In the embodiment of the present invention, the retractable fixture 403 is in the prior art, and will not be described herein.

As shown in fig. 10, in the embodiment of the present invention, the guiding mechanism 404 is disposed at four corners of an inner frame of the frame 402, and includes a fixing plate 4041, a telescopic rod 4042 and a deflector 4043, wherein the fixing plate 4041 is connected to the frame 402, the deflector is hinged to a lower end of the fixing plate 4041 and is inclined to an outer side, and the telescopic rod 4042 is disposed on the fixing plate 4041 and the telescopic end is connected to the deflector 4043. The telescopic rod 4042 drives the deflector 4043 to rotate, thereby adjusting the inclination angle of the deflector 4043. When the device is not in working state, the guide plate 4043 is driven to rotate to the horizontal position by the telescopic rod 4042 and is attached to the lower part of the frame 402, so that the device is convenient to store.

When the die table lifting tool 4 approaches the die table 1, the four guide plates 4043 are driven to open through the telescopic rods 4042, the guide plates are folded after being approximately aligned with the alignment angle plates 3, the sling 401 can swing slightly to adjust the position, after four corners are aligned, the telescopic clamping tools 403 extend out to clamp the die table 1, and the guide plates 4043 are driven to open for the second time through the telescopic rods 4042, so that the die table lifting tool 4 is in place.

A method of three-dimensionally producing precast concrete panels comprising a tandem formwork apparatus for three-dimensionally producing precast concrete panels according to any one of the above embodiments, the method comprising the steps of:

1) The die table is arranged in a tiled mode;

2) The concrete pouring, namely fixing a mould, binding reinforcing steel bars and an embedded part on the arranged mould table 1, and then pouring the concrete;

3) Lifting the first die table, namely sinking the die table lifting tool 4 aiming at the die table 1, aligning the die table lifting tool 4 with the die table 1, and clamping the die table 1;

Specifically, when the die table lifting tool 4 sinks, the die table lifting tool 4 is aligned with the alignment angle plate 3 on the die table 1 through the guide plate 4043 at the bottom, and the guide plate 4043 is inclined outwards, so that the opening is wider, and the die table 1 can be contained therein. The position of the frame 402 is adjusted through the guide plates 4043 at four corners, the frame 402 is smoothly led into the outer side of the die table 1, and two groups of telescopic clamps 403 extend out and clamp the die table 1, and can clamp the support column 2, as shown in fig. 1;

4) The die table shifting, namely the die table lifting appliance 4 is connected with external lifting equipment through a sling 401 to lift and horizontally shift the die table 1;

5) Stacking the mould tables, namely stacking the mould tables 1 above the other mould table 1 through a mould table lifting tool 4;

Specifically, when the die table lifting tool 4 lifts the die table 1 above the other die table 1, the die table lifting tool 4 respectively aligns with four alignment angle plates 3 on the other die table 1 through four guide plates 4043 at the bottom, smoothly guides the frame 402 into the outer side of the other die table 1, and the upper die table 1 and the lower die table 1 are in butt joint in place, and the retractable clamp 403 retracts to release the die table 1, as shown in fig. 11;

6) Multi-layer stacking, shifting and curing, namely stacking the die table 1 to the designed layer number, and shifting the die table to a curing station in a whole stack through a die table lifting tool 4 for three-dimensional curing, wherein the three-dimensional curing is shown in fig. 12;

7) The finished product is shifted, namely, after curing for a specified time, the concrete is hardened and formed, and the form stripping strength is achieved;

8) And sequentially circulating.

In the embodiment of the invention, the support columns 2 are high-strength stressed bodies and are connected with the main beam 101 of the die table, and all weight of the die table is transferred to a ground foundation layer by layer through the support columns 2. The bottom surface of the support column 2 is flush with the bottom surface of the main beam 101 of the die table or protrudes out of the bottom surface of the main beam, and the upper surface of the support column 2 supports the bottom surface of the upper layer of the support column of the die table, so that the upper die table and the lower die table form a serial state, namely, the die table 1 forms a stacking state through the support column 2. The force transmission path of the serial formwork is clear and definite, namely a concrete member, a formwork panel, a formwork secondary beam, a formwork main beam, a formwork support column and a ground foundation. The support column 2 can also protrude below the die table so that the top surface of the column body is flat with the die table plate. The support column protrudes above the die table, so that pouring of a component or setting of a die at a column body can be avoided, and otherwise vertical alignment of the serial die table is influenced. The top end of the support column can be designed in a conical manner, and an alignment hole is needed to be designed on the bottom surface of the support column, so that the vertical alignment is convenient, and a container-like four-corner alignment device is formed.

In the embodiment of the invention, the alignment angle plates 3 are inlaid at four corners of the die table 1 and are flush with the support columns 2 at the four corners. When the upper die table and the lower die table are stacked and aligned, the guide plates 4043 of the lifting appliance can be easily contacted and aligned with the upper die table and the lower die table, so that the peripheries of the upper die table and the lower die table are flush and consistent. The die table lifting tool 4 can also adopt a single-side opening or a double-side opening for lateral alignment. The die table sling 4 is connected with hoisting equipment through a sling 401 to perform work. The hoisting equipment such as a truss crane, a bridge crane, a portal crane, a movable portal crane, a tower crane and the like can be used.

The invention can realize a prefabricated concrete member production mode with low investment, high output, quick effect, easy popularization and low energy consumption, such as prefabrication of reinforced concrete composite floor slabs and wallboards, has great influence on popularization and application of assembled buildings in China, and realizes economic benefit and social benefit.

The foregoing is merely an embodiment of the present invention and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, expansion, etc. made within the spirit and principle of the present invention are included in the protection scope of the present invention.

Claims

1. The serial mold table device for three-dimensionally producing precast concrete slabs is characterized by comprising a mold table lifting tool (4) and a plurality of groups of mold table components;

the die table assembly comprises a die table (1) and a plurality of support columns (2), wherein the support columns (2) are circumferentially arranged at the edge of the die table (1);

The mould table assemblies of the plurality of groups can be overlapped to carry out three-dimensional production of precast concrete boards, and the supporting columns (2) are used for supporting the mould table assemblies of the upper layer;

the die table lifting appliance (4) is used for lifting, translating and stacking the die table components;

the upper ends of the support columns (2) protrude out of the upper surface of the die table (1), and the height of the protruding parts is larger than the thickness of the precast concrete slab;

The die table (1) is of a rectangular structure, four corners of the die table are provided with counterpoint angle plates (3), and the counterpoint angle plates (3) are used for counterpoint with the die table lifting tool (4);

The die table lifting appliance (4) comprises a lifting rope (401), a frame (402) and telescopic clamps (403), wherein at least one group of telescopic clamps (403) which are arranged oppositely are arranged on the inner side of the frame (402), and the lifting rope (401) is connected to the frame (402) and is used for being connected with external lifting equipment;

The frame (402) is of a rectangular structure, four corners of the frame are provided with guide mechanisms (404), and the guide mechanisms (404) are used for being matched with alignment angle plates (3) on the four corners of the die table (1) to guide the frame (402) to the outer side of the die table (1);

the guide mechanism (404) comprises a fixed plate (4041), a telescopic rod (4042) and a guide plate (4043), wherein the fixed plate (4041) is connected with the frame (402), the guide plate is hinged to the lower end of the fixed plate (4041) and is inclined outwards, the telescopic rod (4042) is arranged on the fixed plate (4041), and the telescopic end is connected with the guide plate (4043).

2. The tandem formwork device for three-dimensional production of precast concrete panels according to claim 1, characterized in that the upper end surface of the alignment gusset (3) is located at the same height as the upper end surface of the support column (2).

3. A method of three-dimensionally producing precast concrete panels comprising a tandem formwork arrangement for three-dimensionally producing precast concrete panels as defined in any one of claims 1 to 2, the method comprising the steps of:

1) The die table is arranged in a tiled mode;

2) The concrete pouring step, in which a mould is supported on the arranged mould table (1), the reinforcing steel bar is bound and the embedded part is fixed, and then the concrete is poured;

3) Lifting the first die table, namely sinking a die table lifting tool (4) aiming at the die table (1), aligning the die table lifting tool (4) with the die table (1), and clamping the die table (1);

4) The die table shifting, namely a die table lifting tool (4) is connected with external lifting equipment through a sling (401) to lift and horizontally shift the die table (1);

5) Stacking the mould platforms, namely stacking the mould platforms (1) above the other mould platform (1);

6) Multi-layer stacking, shifting and curing, namely stacking the die table (1) to the designed layer number, and then shifting the die table to a curing station in a whole stacking way through a die table lifting tool (4) to perform three-dimensional curing;

7) The finished product is shifted, namely, after curing for a specified time, the concrete is hardened and formed, and the demoulding strength is achieved;

8) Sequentially circulating;

In the step 3), the die table lifting tool (4) is aligned with the alignment angle plate (3) on the die table (1) through the guide plate (4043) at the bottom, the frame (402) is led into the outer side of the die table (1), and the telescopic clamp (403) stretches out and clamps the die table (1).

4. A method according to claim 3, characterized in that in step 5) the mould table sling (4) is aligned with the alignment gusset (3) on the mould table (1) by means of the bottom deflector (4043), the frame (402) is introduced outside the mould table (1), the telescopic clamp (403) is retracted to release the mould table (1).