CN220179674U - Manufacturing box car of prestressed precast concrete board - Google Patents
Manufacturing box car of prestressed precast concrete board Download PDFInfo
- Publication number
- CN220179674U CN220179674U CN202321382745.XU CN202321382745U CN220179674U CN 220179674 U CN220179674 U CN 220179674U CN 202321382745 U CN202321382745 U CN 202321382745U CN 220179674 U CN220179674 U CN 220179674U
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- plate
- precast concrete
- prestressed
- resistant
- assembly
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- 239000011178 precast concrete Substances 0.000 title claims abstract description 45
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 35
- 238000009413 insulation Methods 0.000 claims abstract description 24
- 238000004321 preservation Methods 0.000 claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 230000002787 reinforcement Effects 0.000 claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
- 238000005266 casting Methods 0.000 claims abstract description 4
- 238000005452 bending Methods 0.000 claims description 20
- 238000007906 compression Methods 0.000 claims description 18
- 230000006835 compression Effects 0.000 claims description 17
- 238000007493 shaping process Methods 0.000 claims description 9
- 239000004567 concrete Substances 0.000 claims description 7
- 230000000712 assembly Effects 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 7
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 239000011513 prestressed concrete Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 230000008531 maintenance mechanism Effects 0.000 description 1
Abstract
The utility model provides a manufacturing box car of a prestressed precast concrete slab, belongs to the field of precast slab production, and is used for solving the technical problem that a precast slab production device in the prior art cannot meet the production and high-temperature maintenance of the prestressed precast concrete slab. Comprises a bottom plate, a mould component and an incubator component; the die assembly is arranged on the bottom plate and comprises a plurality of die cavity mechanisms which are arranged in parallel and connected with each other, each die cavity mechanism comprises an I-shaped counter-force plate, and when pouring is carried out, the prestressed reinforcement is stretched at two ends of each I-shaped counter-force plate; the insulation box assembly is sleeved on the die assembly for casting precast concrete. According to the utility model, the I-shaped counter-force plate and the tensioning assembly are arranged to provide the pre-stress counter force for the pre-stress steel bars, so that the device can meet the production requirement of the pre-stress precast concrete plates, and meanwhile, the heat preservation box assembly is arranged to perform steam high-temperature maintenance on the pre-stress precast concrete plates, so that the product quality is improved.
Description
Technical Field
The utility model belongs to the field of precast concrete board manufacturing, and particularly relates to a manufacturing box car of a prestressed precast concrete board.
Background
The prestressed precast concrete slab is characterized in that tension stress is applied to stressed steel bars in the production process so as to prevent concrete at a tension part of the slab from cracking during working, and meanwhile, the effect of the tension steel bars is fully exerted, so that steel is saved; in recent years, along with the rapid development of prefabricated buildings, the demand for precast concrete panels is increasing, and therefore, more and more production equipment is widely applied to the production of precast concrete panels.
The utility model patent with the publication number of CN216181485U discloses a trolley bench mould for an assembled bridge precast slab, which can be used for casting a plurality of precast slabs at the same time and can meet the requirement of mass production, but the device does not have a prestressed reinforcement tensioning mechanism and a high-temperature maintenance mechanism and can not meet the production and high-temperature maintenance requirements of prestressed precast concrete slabs.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, an object of the present utility model is to provide a manufacturing box car for prestressed precast concrete panels, which is used for solving the technical problems that the precast slab production device in the prior art cannot meet the requirements of production and high-temperature maintenance of prestressed precast concrete panels.
To achieve the above and other related objects, the present utility model provides a manufacturing box car for prestressed precast concrete panels, comprising a bottom plate, and:
a mold assembly;
the die assembly is arranged on the bottom plate and comprises a plurality of die cavity mechanisms which are arranged in parallel and connected with each other, each die cavity mechanism comprises an I-shaped counter-force plate, and when pouring is carried out, the prestressed reinforcement is stretched at two ends of each I-shaped counter-force plate;
an incubator assembly;
the insulation box assembly is sleeved on the die assembly for casting precast concrete.
As an alternative scheme, the I-shaped counter-force plate comprises a compression-resistant longitudinal plate and a bending-resistant end plate;
the two ends of the compression-resistant longitudinal plate are connected with bending-resistant end plates, and the bending-resistant end plates on the two sides of the compression-resistant longitudinal plate are stretched with prestressed steel bars.
As an alternative scheme, the die cavity mechanism further comprises a die cavity upper bottom plate and an end shaping and adjusting module;
the two sides of the compression-resistant longitudinal plate are respectively provided with a die cavity upper bottom plate parallel to the compression-resistant longitudinal plate, two ends of the die cavity upper bottom plate are respectively connected with bending-resistant end plates at two ends, and the distance between the die cavity upper bottom plate and the compression-resistant longitudinal plate is equal to the thickness of the precast concrete plate;
the side walls on two sides of the compression-resistant longitudinal plate and the die cavity upper bottom plates on two sides form two pouring cavities respectively, and end shaping adjusting modules for adjusting the length of the precast concrete slab are arranged at two ends of each pouring cavity.
As an alternative scheme, the end shaping adjusting modules comprise end adjusting plates and connecting rods;
the end adjusting plates are arranged at one end of the pouring cavity, the width of each end adjusting plate is equal to that of the pouring cavity, and the prestressed reinforcement slides through the end adjusting plates at two sides of the pouring cavity;
one end of the connecting rod is connected with the end adjusting plate, the other end of the connecting rod extends out of the bending-resistant end plate, and an adjustable limiting module is arranged between the connecting rod and the bending-resistant end plate.
As an alternative scheme, the heat insulation box assembly comprises a rectangular heat insulation frame and a heat insulation cover plate;
the rectangular heat preservation frame is arranged on the bottom plate, the die assembly is positioned in the rectangular heat preservation frame, and the heat preservation cover plate is arranged at the top end of the rectangular heat preservation frame;
an air inlet pipeline is arranged on the side wall of the rectangular heat preservation frame, and the air inlet end of the air inlet pipeline is communicated with a steam source.
As an alternative scheme, a plurality of vibrating motors for tamping concrete during pouring are arranged at the bottom of the bottom plate, and a plurality of universal wheels convenient to move are also arranged at the bottom of the bottom plate.
As an alternative scheme, temperature sensors for monitoring the internal temperature of the insulation box assembly are also installed on the inner side walls of the rectangular insulation frame and the insulation cover plate.
As an alternative scheme, the device also comprises two groups of tensioning components for tensioning the two ends of the prestressed reinforcement respectively, wherein the tensioning components are respectively arranged at the two ends of the I-shaped counter-force plate and each tensioning component comprises a hydraulic station, an oil supply pipeline and a plurality of prestressed tensioning cylinders;
the prestress tensioning cylinders are connected with the hydraulic station through oil supply pipelines, and the telescopic ends of the prestress tensioning cylinders are respectively connected with one ends of the prestress steel bars.
As described above, the manufacturing box car of the prestressed precast concrete slab has at least the following beneficial effects:
1. according to the utility model, the I-shaped counter-force plate and the tensioning assembly are arranged to provide the pre-stress counter force for the pre-stress steel bars, so that the device can meet the production requirement of the pre-stress precast concrete plates, and meanwhile, the heat preservation box assembly is arranged to perform steam high-temperature maintenance on the pre-stress precast concrete plates, so that the product quality is improved.
2. According to the utility model, the device can simultaneously manufacture a plurality of prestressed concrete precast slabs by arranging the die cavity mechanisms in parallel, so that the manufacturing efficiency is high.
3. The device can meet the requirements of manufacturing prestressed concrete precast slabs with different lengths by arranging the end adjusting plates, has wide application range, simultaneously provides support for the mould when concrete is poured, avoids mould deformation, and prolongs the service life of the mould.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 shows a front view of the present utility model;
FIG. 3 is a schematic view of a bottom plate and mold assembly according to the present utility model;
FIG. 4 shows an enlarged view of a portion of the mold cavity mechanism of the present utility model;
fig. 5 is a schematic structural view of an i-shaped counter-force plate and a prestressed reinforcement according to the present utility model;
FIG. 6 is a schematic view showing the structure of an I-shaped reaction plate according to the present utility model;
fig. 7 is a schematic structural view of the end adjusting plate and the connecting rod of the present utility model.
In the figure: 1-a bottom plate; 101-a vibration motor; 102-universal wheels;
2-a mold assembly; 201-I-shaped counter-force plate; 202-prestress steel bars; 203-a die cavity upper bottom plate; 204-end adjustment plate; 205-connecting rod; 2011-compression-resistant longitudinal plates; 2012—bending resistant end plates; 2041-bearings;
3-an incubator assembly; 301-a rectangular heat preservation frame; 302, a heat preservation cover plate; 303-air inlet pipeline.
Detailed Description
Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples.
Please refer to fig. 1 to 7. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the utility model to the extent that it can be practiced, since modifications, changes in the proportions, or adjustments of the sizes, which are otherwise, used in the practice of the utility model, are included in the spirit and scope of the utility model which is otherwise, without departing from the spirit or scope thereof. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the utility model, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the utility model may be practiced.
The following examples are given by way of illustration only. Various embodiments may be combined and are not limited to only what is presented in the following single embodiment.
In this embodiment, referring to fig. 1, 2, 3, 4, 5 and 6, the present utility model provides a manufacturing box car for prestressed precast concrete slabs, comprising a bottom plate 1, and:
a die assembly 2;
the die assembly 2 is arranged on the bottom plate 1, the die assembly 2 comprises a plurality of die cavity mechanisms, the die cavity mechanisms are arranged in parallel and connected with each other, each die cavity mechanism comprises an I-shaped counter-force plate 201, and when pouring is carried out, the prestressed reinforcement 202 is stretched at two ends of the I-shaped counter-force plates 201;
an incubator assembly 3;
the insulation box assembly 3 is sleeved on the die assembly 2 where precast concrete is poured.
In the embodiment, the device can manufacture a plurality of prestressed concrete precast slabs simultaneously by arranging a plurality of die cavity mechanisms in parallel, so that the manufacturing efficiency is high.
Referring to fig. 3, 4, 5 and 6, the i-shaped counter force plate 201 includes a compressive longitudinal plate 2011 and a bending end plate 2012;
both ends of the compression-resistant longitudinal plate 2011 are connected with bending-resistant end plates 2012, and the bending-resistant end plates 2012 at both sides of the compression-resistant longitudinal plate 2011 are stretched with prestressed reinforcement 202.
Referring to fig. 3, 4, 5, 6 and 7, the mold cavity mechanism further includes a mold cavity upper base plate 203 and an end shaping adjustment module;
both sides of the compressive longitudinal plate 2011 are provided with a die cavity upper bottom plate 203 parallel to the compressive longitudinal plate 2011, both ends of the die cavity upper bottom plate 203 are respectively connected with bending-resistant end plates 2012 at both ends, and the space between the die cavity upper bottom plate 203 and the compressive longitudinal plate 2011 is equal to the thickness of the precast concrete slab;
the side walls on two sides of the compression-resistant longitudinal plate 2011 and the die cavity upper bottom plates 203 on two sides respectively form two pouring cavities, and end shaping adjusting modules for adjusting the length of the precast concrete slab are arranged at two ends of each pouring cavity.
Referring to fig. 3, 4, 5, 6 and 7, the end shaping adjustment modules each include an end adjustment plate 204 and a connecting rod 205;
the end adjusting plates 204 are arranged at one end of the pouring cavity, the width of each end adjusting plate 204 is equal to that of the pouring cavity, and the prestressed reinforcement 202 slides through the end adjusting plates 204 at two sides of the pouring cavity;
one end of the connecting rod 205 is connected with the end adjusting plate 204, the other end of the connecting rod 205 extends out of the bending-resistant end plate 2012, and an adjustable limiting module is arranged between the connecting rod 205 and the bending-resistant end plate 2012.
In this embodiment, according to the length requirement of the prestressed precast concrete slab, the relative distance between the end adjusting plates 204 at the two ends is adjusted to realize pouring of prestressed precast concrete slabs with different lengths. When concrete is poured, the end adjusting plates 204 at the two ends provide support for the mold and avoid deformation of the mold.
In this embodiment, the connecting rod 205 is a threaded rod, one end of the connecting rod 205 is rotatably mounted on the side wall of the adjusting plate 204 through a rotating bearing 2041, and the other end of the connecting rod 205 is in threaded connection with the bending-resistant end plate 2012, but when the length of the prestressed precast concrete slab needs to be adjusted, the connecting rod 205 is driven to rotate, and the connecting rod 205 drives the adjusting plate 204 to move.
Referring to fig. 1 and 2, the incubator assembly 3 includes a rectangular heat-preserving frame 301 and a heat-preserving cover 302;
the rectangular heat preservation frame 301 is arranged on the bottom plate 1, the die assembly 2 is positioned in the rectangular heat preservation frame 301, and the heat preservation cover plate 302 is arranged at the top end of the rectangular heat preservation frame 301;
an air inlet pipeline 303 is arranged on the side wall of the rectangular heat preservation frame 301, and the air inlet end of the air inlet pipeline 303 is communicated with a steam source.
In this embodiment, after pouring is completed, the rectangular heat insulation frame 301 and the heat insulation cover plate 302 are sleeved outside the mold assembly, and steam is introduced through the air inlet pipe 303 to perform steam high-temperature curing on the precast concrete board in the heat insulation box assembly 3.
In this embodiment, the rectangular insulation frame 301 and the insulation cover plate 302 are made of insulation materials, so that the insulation box assembly 3 forms an insulation maintenance room.
Referring to fig. 1 and 2, a plurality of vibration motors 101 for tamping concrete during pouring are mounted at the bottom of the base plate 1, and a plurality of universal wheels 102 convenient to move are also mounted at the bottom of the base plate 1.
In the embodiment, the vibrating motor 101 is arranged at the bottom of the bottom plate 1 to realize the compaction vibration of the concrete poured in the pouring cavity, and the box car can be moved to any place by arranging the universal wheels 102.
In this embodiment, temperature sensors (not shown in the figure) for monitoring the internal temperature of the incubator assembly 3 are also installed on the inner side walls of the rectangular heat-insulating frame 301 and the heat-insulating cover 302.
In this embodiment, the temperature inside the incubator assembly 3 is monitored by providing a temperature sensor, and the intake air amount of the intake air duct 303 is adjusted according to the temperature, so that the temperature inside the incubator assembly 3 is equalized.
In this embodiment, the device further includes two groups of tensioning assemblies (not shown in the figure) for tensioning two ends of the prestressed reinforcement 202 respectively, the tensioning assemblies are respectively disposed at two ends of the i-shaped counter-force plate 201, and each of the tensioning assemblies includes a hydraulic station, an oil supply pipeline, and a plurality of prestressed tensioning cylinders;
the prestress tensioning cylinders are connected with the hydraulic station through oil supply pipelines, and the telescopic ends of the prestress tensioning cylinders are respectively connected with one ends of the prestress steel bars 202.
In the embodiment, the device can meet the production of the prestressed precast concrete slab by providing the I-shaped counter-force plate 201 and the tensioning assembly to provide the prestressed counter force for the prestressed reinforcement; several prestressed rebars 202 of the same prestressed precast concrete slab may be stretched in parallel at a time.
In summary, the device can meet the production of the prestressed precast concrete slab by arranging the I-shaped counter-force plate 201 and the tensioning assembly to provide the prestress counter force for the prestressed reinforcement 202, and meanwhile, the heat insulation box assembly 3 is arranged to perform steam high-temperature maintenance on the prestressed precast concrete slab, so that the product quality is improved.
The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.
Claims (8)
1. The utility model provides a preparation boxcar of prestressing force precast concrete board which characterized in that includes the bottom plate, and:
a mold assembly;
the die assembly is arranged on the bottom plate and comprises a plurality of die cavity mechanisms which are arranged in parallel and connected with each other, each die cavity mechanism comprises an I-shaped counter-force plate, and when pouring is carried out, the prestressed reinforcement is stretched at two ends of each I-shaped counter-force plate;
an incubator assembly;
the insulation box assembly is sleeved on the die assembly for casting precast concrete.
2. The manufacturing box car of the prestressed precast concrete slab according to claim 1, wherein the I-shaped counter-force plate comprises a compression-resistant longitudinal plate and a bending-resistant end plate;
the two ends of the compression-resistant longitudinal plate are connected with bending-resistant end plates, and the bending-resistant end plates on the two sides of the compression-resistant longitudinal plate are stretched with prestressed steel bars.
3. The manufacturing box car of the prestressed precast concrete slab according to claim 2, wherein the die cavity mechanism further comprises a die cavity upper bottom plate and an end shaping and adjusting module;
the two sides of the compression-resistant longitudinal plate are respectively provided with a die cavity upper bottom plate parallel to the compression-resistant longitudinal plate, two ends of the die cavity upper bottom plate are respectively connected with bending-resistant end plates at two ends, and the distance between the die cavity upper bottom plate and the compression-resistant longitudinal plate is equal to the thickness of the precast concrete plate;
the side walls on two sides of the compression-resistant longitudinal plate and the die cavity upper bottom plates on two sides form two pouring cavities respectively, and end shaping adjusting modules for adjusting the length of the precast concrete slab are arranged at two ends of each pouring cavity.
4. A manufacturing box car for prestressed precast concrete slabs according to claim 3, wherein the end shaping adjusting modules comprise end adjusting plates and connecting rods;
the end adjusting plates are arranged at one end of the pouring cavity, the width of each end adjusting plate is equal to that of the pouring cavity, and the prestressed reinforcement slides through the end adjusting plates at two sides of the pouring cavity;
one end of the connecting rod is connected with the end adjusting plate, the other end of the connecting rod extends out of the bending-resistant end plate, and an adjustable limiting module is arranged between the connecting rod and the bending-resistant end plate.
5. The manufacturing box car of the prestressed precast concrete slab, as recited in claim 1, wherein the insulation box assembly comprises a rectangular insulation frame and an insulation cover plate;
the rectangular heat preservation frame is arranged on the bottom plate, the die assembly is positioned in the rectangular heat preservation frame, and the heat preservation cover plate is arranged at the top end of the rectangular heat preservation frame;
an air inlet pipeline is arranged on the side wall of the rectangular heat preservation frame, and the air inlet end of the air inlet pipeline is communicated with a steam source.
6. The manufacturing box car of the prestressed precast concrete slab according to claim 1, wherein a plurality of vibrating motors for tamping concrete during pouring are mounted at the bottom of the bottom plate, and a plurality of universal wheels convenient to move are mounted at the bottom of the bottom plate.
7. The manufacturing box car of the prestressed precast concrete slab of claim 5, wherein temperature sensors for monitoring the internal temperature of the insulation box assembly are further installed on the inner side walls of the rectangular insulation frame and the insulation cover plate.
8. The manufacturing box car of the prestressed precast concrete slab according to claim 1, further comprising two groups of tensioning assemblies for tensioning two ends of the prestressed reinforcement respectively, wherein the tensioning assemblies are respectively arranged at two ends of the I-shaped counter-force plate, and each tensioning assembly comprises a hydraulic station, an oil supply pipeline and a plurality of prestressed tensioning cylinders;
the prestress tensioning cylinders are connected with the hydraulic station through oil supply pipelines, and the telescopic ends of the prestress tensioning cylinders are respectively connected with one ends of the prestress steel bars.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321382745.XU CN220179674U (en) | 2023-06-02 | 2023-06-02 | Manufacturing box car of prestressed precast concrete board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321382745.XU CN220179674U (en) | 2023-06-02 | 2023-06-02 | Manufacturing box car of prestressed precast concrete board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220179674U true CN220179674U (en) | 2023-12-15 |
Family
ID=89115898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321382745.XU Active CN220179674U (en) | 2023-06-02 | 2023-06-02 | Manufacturing box car of prestressed precast concrete board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220179674U (en) |
-
2023
- 2023-06-02 CN CN202321382745.XU patent/CN220179674U/en active Active
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