CN220184654U - Reverse construction method structural column pouring cutting-free concrete pouring back pressure device - Google Patents
Reverse construction method structural column pouring cutting-free concrete pouring back pressure device Download PDFInfo
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- CN220184654U CN220184654U CN202320777339.7U CN202320777339U CN220184654U CN 220184654 U CN220184654 U CN 220184654U CN 202320777339 U CN202320777339 U CN 202320777339U CN 220184654 U CN220184654 U CN 220184654U
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- 238000010276 construction Methods 0.000 title claims abstract description 51
- 238000005266 casting Methods 0.000 claims abstract description 40
- 238000003825 pressing Methods 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 6
- 238000005096 rolling process Methods 0.000 claims description 22
- 230000000670 limiting effect Effects 0.000 claims description 10
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 238000005520 cutting process Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 5
- 238000009435 building construction Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 239000004035 construction material Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 241000357293 Leptobrama muelleri Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The utility model relates to a reverse pressure device for casting cutting-free concrete casting of a reverse construction method structural column, and belongs to the technical field of building construction. The method solves the problems that in the existing construction method, concrete at a dustpan opening needs to be chiseled off in a later period, the construction period is long, materials are wasted, and the construction joint connection of a structural column is not compact. The dustpan opening device comprises a bottom plate, a first side plate, a second side plate and a back pressure plate, wherein the first side plate and the second side plate are symmetrically arranged on the bottom plate; the reverse pressing plate is obliquely arranged, a dustpan opening is formed by surrounding the first side plate, the second side plate and the reverse pressing plate, the upper side of the dustpan opening is a concrete feeding side, and the lower side of the dustpan opening is a pouring opening; the bottom side of the back pressure plate is rotationally connected with the bottom plate, the power device is provided with a power assembly, and the power end of the power assembly is connected with the back pressure plate; the reverse pressing plate is driven by the power of the power component, and is driven by the power end to slide along the rotating connection point towards the pouring opening of the dustpan opening. The utility model has short construction period.
Description
Technical Field
The utility model relates to a reverse pressure device for casting cutting-free concrete casting of a reverse construction method structural column, and belongs to the technical field of building construction.
Background
The reverse construction method is an ultra-conventional construction method and is generally adopted under special conditions of deep foundation, complex geology, high groundwater level and the like. The underground continuous wall or other supporting structures are firstly constructed along the axis or the periphery of the basement of the building, and meanwhile, middle supporting piles and columns are poured or driven at relevant positions in the building to serve as supports for bearing the dead weight of the upper structure and construction load before the bottom plate is sealed during construction. Then excavating earthwork to the elevation of the bottom surface of the basement of the first layer, completing the beam slab floor structure of the layer, taking the beam slab floor structure as a support with great rigidity of the underground continuous wall, and then excavating the earthwork downwards layer by layer and pouring the underground structures of each layer until the bottom plate is sealed. Meanwhile, as the floor structure of one floor is finished, conditions are created for the construction of the upper structure, and the construction of the ground structure can be simultaneously carried out upwards layer by layer. And simultaneously constructing above and below the ground until the engineering is finished.
At present, it is common to perform secondary structure construction at a later stage of reverse construction, wherein the secondary structure is constructed after the construction of a primary structure (refer to a bearing member part of a main body structure), and is a non-bearing structure relative to the bearing structure, and an enclosure structure, such as a structural column, a lintel, a water stop reverse beam, a parapet wall, a capping, a filling wall, a partition wall and the like.
In the prior art, in the construction of a secondary structure wall body, as shown in fig. 1, a concrete structure column is required to be arranged according to specifications, a dustpan opening is arranged at the position, 20cm away from the beam bottom or the plate bottom, of the top of a template of the concrete structure column in the construction process, after casting and forming, the dustpan opening is chiseled off, the construction period is long, the chiseled dustpan opening also can cause the waste of construction materials such as concrete, and meanwhile, the construction mode has the advantage that the upper layer beam column node is cast, when the structure column is cast, a construction joint is generated, casting connection is not compact, and the strength of the structure column is reduced and later cracking and leakage are caused. Therefore, a reverse construction method structure column pouring device is needed to solve the problems that in an existing construction method, concrete at a dustpan opening needs to be chiseled off in a later period, the construction period is long, materials are wasted, and connection of construction joints of the structure column is not compact.
Disclosure of Invention
Aiming at the problems and the defects in the prior art, the utility model provides a reverse construction method structural column casting cutting-free concrete casting back pressure device, which aims to solve the technical problems.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the reverse construction method structure column pouring cutting-free concrete pouring back pressure device comprises a dustpan opening device and a power device, wherein the dustpan opening device comprises a bottom plate, a first side plate, a second side plate and a back pressure plate, the first side plate and the second side plate are symmetrically arranged on the bottom plate, and the back pressure plate is arranged between the first side plate and the second side plate; the reverse pressing plate is obliquely arranged, a dustpan opening is formed by surrounding the first side plate, the second side plate and the reverse pressing plate, the upper side of the dustpan opening is a concrete feeding side, and the lower side of the dustpan opening is a pouring opening; the bottom side of the back pressure plate is rotationally connected with the bottom plate, the power device is provided with a power assembly, and the power end of the power assembly is connected with the back pressure plate; the reverse pressing plate is driven by the power of the power component, and is driven by the power end to slide along the rotating connection point towards the pouring opening of the dustpan opening.
Specifically, a limiting rod is arranged between the first side plate and the second side plate; the limiting rod is arranged in the sliding track of the counter plate so as to limit the angle of the counter plate along the rotating connection point to rotate towards the pouring opening.
Specifically, the back pressure board is under the restriction action of gag lever post, and along rotating the tie point and carrying out pivoted angle scope towards pouring the mouth: 0-45 deg..
Specifically, the power device comprises a power assembly and a mounting frame; the power component comprises a power source, a rolling shaft, a driving gear and a connecting rope; the number of the mounting frames is two, and the two mounting frames are oppositely arranged on the first side plate and the second side plate; the rolling shafts are rotatably arranged on the upper sides of the two mounting frames; a driving gear is fixedly arranged on one side of the rolling shaft; one end of the connecting rope is fixedly arranged on the rolling shaft, and the other end is connected with the back pressure plate.
Specifically, the driving gear rotates under the power drive of the power source to drive the rolling shaft to rotate, the rolling shaft rotates to drive the connecting rope to be wound on the outer side of the rolling shaft with the connecting point of the rolling shaft, and then the counter plate is driven to slide along the direction of the pouring opening of the dustpan opening along the rotating connecting point.
Specifically, the power source is an annular chain; the annular chain is sleeved outside the driving gear.
Specifically, a first mounting frame is mounted on the outer side of the counter plate; the first mounting frame is vertically arranged on the back pressure plate; one end of the connecting rope is rotationally connected with the back pressure plate through being connected with the first mounting frame.
Specifically, the bottom plate is of an inverted-door-shaped structure.
Specifically, the first side plate, the second side plate and the bottom plate are of an integrated structure; the junction rotation of back pressure board and bottom plate is installed the pivot, and back pressure board is connected with the bottom plate rotation through the pivot.
Specifically, the bottom plate, the first side plate, the second side plate and the back pressure plate are all made of stainless steel materials.
Compared with the prior art, the utility model has the beneficial effects that:
1. the dustpan opening is formed by surrounding the first side plate, the second side plate and the back plate of the concrete pouring back pressure device, wherein the back plate can rotate towards the pouring opening of the dustpan opening relative to the bottom plate, so that when concrete pouring is realized, the back plate is used for extruding the concrete in the inner cavity of the dustpan opening into the pouring cavity of the structural column, a chiseling process is not needed after the concrete is solidified, the construction period is saved, the concrete pouring quantity is reduced, and the construction materials are saved.
2. On the basis of the above, the concrete is extruded into the pouring cavity through the counter plate, the concrete at the construction joint can be extruded and compacted in the extrusion process, and the forming quality of the concrete is improved.
3. On the basis of the method, the concrete pouring back pressure device is made of the stainless steel material, and compared with a common template, the stainless steel back pressure device is strong in corrosion resistance and long in service cycle, and the template can be removed and reused after pouring is completed, so that the construction cost is reduced.
Drawings
FIG. 1 is a schematic diagram of a prior art construction of a secondary structural column;
fig. 2 is a construction schematic diagram (1) of a reverse-construction method structure column casting cut-free concrete casting back pressure device of the embodiment;
fig. 3 is a construction schematic diagram (2) of a reverse-construction method structure column casting cut-free concrete casting back pressure device of the embodiment.
In the figure: 1. a bottom plate; 2. a first side plate; 3. a second side plate; 4. a counter plate; 5. a limit rod; 6. a mounting frame; 7. a roller; 8. a drive gear; 9. a connecting rope; 10. an endless chain; 11. a first mounting frame; 12. a rotating shaft; 13. an upper layer support beam node; 14. pouring a cavity by the secondary structural column; 15. and (5) a construction joint.
Description of the embodiments
The utility model will be further elucidated with reference to the drawings in the embodiments of the utility model.
Referring to fig. 1-3, the embodiment discloses a reverse construction method structural column casting cutting-free concrete casting back pressure device, which comprises a dustpan opening device and a power device, wherein the dustpan opening device comprises a bottom plate 1, a first side plate 2, a second side plate 3 and a back pressure plate 4, wherein the first side plate 2 and the second side plate 3 are symmetrically arranged on the bottom plate, and the back pressure plate 4 is arranged between the first side plate and the second side plate; the counter-pressure plate 4 is obliquely arranged, a dustpan opening is formed by surrounding the first side plate 2, the second side plate 3 and the counter-pressure plate 4, the upper side of the dustpan opening is a concrete feeding side, and the lower side of the dustpan opening is a pouring opening; the bottom side of the counter-pressure plate 4 is rotationally connected with the bottom plate 1, the power device is provided with a power component, and the power end of the power component is connected with the counter-pressure plate; the reverse pressing plate is driven by the power of the power component, and is driven by the power end to slide along the rotating connection point towards the pouring opening of the dustpan opening.
Further, a limit rod 5 is arranged between the first side plate 2 and the second side plate 3; the limiting rod 5 is arranged in the sliding track of the counter plate so as to limit the rotation angle of the counter plate along the rotation connection point towards the pouring opening. The limiting rod of the embodiment selects common steel bars to be fixedly connected with the first side plate and the second side plate respectively.
Further, the back pressure plate 4 rotates along the rotation connection point towards the pouring opening under the limiting action of the limiting rod 5, and the angle range of rotation is as follows: 0-45 deg..
Further, the power device comprises a power assembly and a mounting frame 6; the power assembly comprises a power source, a roller 7, a driving gear 8 and a connecting rope 9; the number of the mounting frames 6 is two, and the two mounting frames 6 are oppositely arranged on the first side plate 2 and the second side plate 3; the rolling shafts 7 are rotatably arranged on the upper sides of the two mounting frames 6; a driving gear 8 is fixedly arranged on one side of the rolling shaft 7; one end of the connecting rope 9 is fixedly arranged on the roller 7, and the other end is connected with the back pressure plate 4.
Further, the driving gear 8 rotates under the power drive of the power source to drive the rolling shaft 7 to rotate, the rolling shaft 7 rotates to drive the connecting rope 9 to be wound on the outer side of the rolling shaft at the connecting point of the rolling shaft, and the counter plate 4 is further driven to slide along the direction of the pouring opening of the dustpan opening at the rotating connecting point.
Further, the power source is an endless chain 10; the annular chain 10 is sleeved outside the driving gear 8.
Further, the outer side of the counter pressure plate 4 is provided with a first mounting frame 11; the first mounting frame is vertically arranged on the back pressure plate; one end of the connecting rope 9 is rotatably connected with the counter-pressure plate by being connected to the first mounting frame 11.
Further, the bottom plate 1 is of an inverted-door-shaped structure.
Further, the first side plate 2, the second side plate 3 and the bottom plate 1 are of an integral structure; the junction of the counter-pressure plate 4 and the bottom plate is rotatably provided with a rotating shaft 12, and the counter-pressure plate 4 is rotatably connected with the bottom plate 1 through the rotating shaft 12.
Further, the bottom plate 1, the first side plate 2, the second side plate 3 and the back pressure plate 4 are all made of stainless steel materials.
Working principle: when the reverse construction method structural column casting cutting-free concrete casting back pressure device is used for construction, a template is supported on the outer side of the bottom of the upper layer support beam node 13 to form a secondary structural column casting cavity 14, and a concrete casting opening is reserved on one side of the template. And then the dustpan opening of the concrete pouring back pressure device is fixedly arranged on the outer side of the concrete pouring opening of the template through a fixing bolt, and the pouring opening of the dustpan opening is communicated with the concrete pouring opening of the template. Before pouring the concrete, the operator separates the connecting rope from the first mounting frame so that the concrete conveying pipe enters the dustpan opening. When the secondary structural column casting cavity 14 is filled with concrete casting and no longer enters the casting cavity from the dustpan opening, casting is stopped and the concrete delivery tube is removed. The operator then articulates one end of the connecting rope with the first mounting bracket. And then the annular chain is pulled slowly, so that the back pressure plate rotates towards the pouring opening direction of the dustpan opening, concrete in the dustpan opening is extruded into the pouring cavity slowly, and at the moment, the concrete at the construction joint 15 is extruded and compacted until the back pressure plate is attached to the template. After the concrete is formed, the template and the back pressure device are removed, and the back pressure device is cleaned for later repeated use.
While the embodiments of the present utility model have been described in detail with reference to the examples, the present utility model is not limited to the above embodiments, and it will be apparent to those skilled in the art that various equivalent changes and substitutions can be made therein without departing from the principles of the present utility model, and such equivalent changes and substitutions should also be considered to be within the scope of the present utility model.
Claims (10)
1. The utility model provides a reverse construction method structural column is pour and is exempted from cutting concrete placement back pressure device, includes dustpan mouth device and power device, its characterized in that: the dustpan opening device comprises a bottom plate, a first side plate, a second side plate and a back pressure plate, wherein the first side plate and the second side plate are symmetrically arranged on the bottom plate; the back pressure plate is obliquely arranged, a dustpan opening is formed by surrounding the first side plate, the second side plate and the back pressure plate, the upper side of the dustpan opening is a concrete feeding side, and the lower side of the dustpan opening is a pouring opening; the bottom side of the back pressure plate is rotationally connected with the bottom plate, the power device is provided with a power assembly, and the power end of the power assembly is connected with the back pressure plate; the back pressure plate is driven by the power of the power component, and the power end drives the back pressure plate to slide along the rotating connection point towards the pouring opening of the dustpan opening.
2. A reverse construction method structural column casting cut-free concrete casting counter-pressure device according to claim 1, wherein: a limiting rod is arranged between the first side plate and the second side plate; the limiting rod is arranged in the sliding track of the counter plate so as to limit the angle of the counter plate along the rotating connection point to rotate towards the pouring opening.
3. A reverse-construction method structural column casting cut-free concrete casting counter-pressure device according to claim 2, wherein: the back pressure plate rotates towards the pouring opening along the rotation connection point under the limiting action of the limiting rod, and the angle range of the back pressure plate is as follows: 0-45 deg..
4. A reverse construction method structural column casting cut-free concrete casting counter-pressure device according to claim 1, wherein: the power device comprises a power assembly and a mounting frame; the power assembly comprises a power source, a rolling shaft, a driving gear and a connecting rope; the number of the mounting frames is two, and the two mounting frames are oppositely arranged on the first side plate and the second side plate; the rolling shafts are rotatably arranged on the upper sides of the two mounting frames; a driving gear is fixedly arranged on one side of the rolling shaft; one end of the connecting rope is fixedly arranged on the rolling shaft, and the other end of the connecting rope is connected with the back pressure plate.
5. A reverse-construction method structural column casting cut-free concrete casting counter-pressure device according to claim 4, wherein: the driving gear rotates under the power drive of the power source to drive the rolling shaft to rotate, the rolling shaft rotates to drive the connecting rope to be wound on the outer side of the rolling shaft with the connecting point of the rolling shaft, and the counter pressing plate is further driven to slide along the rotating connecting point towards the pouring opening direction of the dustpan opening.
6. A reverse construction method structure column casting cut-free concrete casting back pressure device according to claim 5, wherein: the power source is an annular chain; the annular chain is sleeved on the outer side of the driving gear.
7. A reverse-construction method structural column casting cut-free concrete casting counter-pressure device according to claim 4, wherein: a first mounting frame is mounted on the outer side of the back pressure plate and is vertically mounted on the back pressure plate; one end of the connecting rope is rotationally connected with the back pressure plate through being connected with the first mounting frame.
8. A reverse-construction method constructional column casting cut-free concrete casting counter-pressure apparatus according to claim 7, wherein: the bottom plate is of an inverted-door-shaped structure.
9. A reverse construction method structure column casting cut-free concrete casting back pressure device according to claim 8, wherein: the first side plate, the second side plate and the bottom plate are of an integrated structure; the rotating shaft is rotatably arranged at the joint of the back pressure plate and the bottom plate, and the back pressure plate is rotatably connected with the bottom plate through the rotating shaft.
10. A reverse-construction method constructional column casting cut-free concrete casting counter-pressure apparatus according to claim 9, wherein: the bottom plate, the first side plate, the second side plate and the counter plate are all made of stainless steel materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320777339.7U CN220184654U (en) | 2023-04-11 | 2023-04-11 | Reverse construction method structural column pouring cutting-free concrete pouring back pressure device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320777339.7U CN220184654U (en) | 2023-04-11 | 2023-04-11 | Reverse construction method structural column pouring cutting-free concrete pouring back pressure device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220184654U true CN220184654U (en) | 2023-12-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320777339.7U Active CN220184654U (en) | 2023-04-11 | 2023-04-11 | Reverse construction method structural column pouring cutting-free concrete pouring back pressure device |
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| Country | Link |
|---|---|
| CN (1) | CN220184654U (en) |
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- 2023-04-11 CN CN202320777339.7U patent/CN220184654U/en active Active
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