CN212506373U - Cast-in-place concrete back pressure type tower crane foundation device - Google Patents
Cast-in-place concrete back pressure type tower crane foundation device Download PDFInfo
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- CN212506373U CN212506373U CN202020840396.1U CN202020840396U CN212506373U CN 212506373 U CN212506373 U CN 212506373U CN 202020840396 U CN202020840396 U CN 202020840396U CN 212506373 U CN212506373 U CN 212506373U
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- tower crane
- concrete
- concrete back
- back pressure
- pressure block
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Abstract
The utility model discloses a cast-in-place concrete back pressure type tower crane foundation device, which comprises a concrete foundation slab, a tower crane base, an extruded sheet, a concrete back pressure block I, a concrete back pressure block II and a clamping mechanism, wherein the top of the concrete foundation slab is provided with the tower crane base, the top of the tower crane base is fixedly connected with the extruded sheet through the clamping mechanism, the extruded sheet is poured with the concrete back pressure block I, the concrete back pressure block II is poured on the concrete back pressure block I, the utility model changes the construction mode that the traditional tower crane foundation is a single pile bearing platform or a plurality of pile bearing platforms, the tower crane is fixed by using the back pressure mode, the structure can effectively bear all stress generated in the use process of the tower crane, and avoids destroying the constructed foundation slab, and simultaneously, the tower crane is safe and fast in the process of dismantling the tower crane, the tower crane base can be used in turnover after dismantling, avoids the waste of materials, and is economical and reasonable.
Description
Technical Field
The utility model relates to a construction technical field, concretely relates to cast in situ concrete back pressure formula tower crane foundation device.
Background
In the work progress of construction engineering, along with the constantly changing of market, and the constantly increasing of customer's requirement, more and more owners reform transform construction engineering in the work progress to satisfy the market demand. For projects with large variation, large vertical transportation equipment such as a tower crane and the like must be additionally arranged to meet the requirements of site construction, the traditional tower crane is basically a single pile bearing platform or a multi-pile bearing platform, a pile foundation must be constructed firstly before foundation installation is carried out, but pile foundation construction cannot be carried out on site due to the fact that most structures are constructed in the construction process, and therefore a cast-in-place concrete counter-pressure type tower crane foundation device is provided for research, and the device can meet the concepts of green construction, energy conservation and environmental protection advocated by the modern building industry.
SUMMERY OF THE UTILITY MODEL
In order to overcome the technical problem, the utility model aims to provide a cast-in-place concrete back pressure type tower crane foundation device, the utility model changes the construction mode that the traditional tower crane foundation is a single pile bearing platform or a plurality of pile bearing platforms, and the tower crane is fixed by utilizing the back pressure mode, the structure can effectively bear all the stress generated by the tower crane in the use process, and avoids damaging the constructed foundation slab, and simultaneously, the structure is safe and quick in the tower crane dismantling process, the tower crane base can be used in a turnover way after the dismantling, the waste of materials is avoided, and the structure is economical and reasonable;
the utility model has the advantages that the extruded sheet is arranged between the tower crane base and the concrete counter-pressure block I, so that the tower crane base and the concrete counter-pressure block I can be effectively separated, and the tower crane base can be smoothly removed when a tower crane is removed at a later stage, so that the tower crane base can be used in a turnover way;
placing a layer of extruded sheet between a tower crane base and a concrete back pressure block I, firstly placing the extruded sheet between four movable plates, then driving a cylinder I to push the movable plates to move until the four movable plates are all fixed with the extruded sheet, finally inserting a limiting rod into a limiting hole and an inserting hole to fix the movable plates, and finally installing the extruded sheet on the tower crane base;
binding concrete anti-crack reinforcing steel bars on a placed extruded sheet, driving a sliding block to slide up and down, further adjusting the height of a supporting roller, then driving a second air cylinder to push the supporting roller to move, adjusting the distance between the two supporting rollers and fixing the concrete anti-crack reinforcing steel bars with different widths, avoiding the concrete anti-crack reinforcing steel bars from shaking, symmetrically arranging every two supporting rollers, arranging every two supporting rollers in parallel, generating a certain height difference, enabling the fixed range to be wider, closing a mold after the reinforcing steel bars are bound, pouring C25 concrete, and finishing the manufacturing of a first concrete counter-pressure block; can dismantle clamping mechanism after the installation, facilitate the use.
The purpose of the utility model can be realized by the following technical scheme:
a cast-in-place concrete back-pressure type tower crane foundation device comprises a concrete foundation bottom plate, a tower crane base, an extruded sheet, a concrete back-pressure block I, a concrete back-pressure block II and a clamping mechanism, wherein the tower crane base is installed at the top of the concrete foundation bottom plate, the top of the tower crane base is fixedly connected with the extruded sheet through the clamping mechanism, the concrete back-pressure block I is poured on the extruded sheet, and the concrete back-pressure block II is poured on the concrete back-pressure block I;
clamping mechanism includes the mounting panel, the mounting panel has four, four the mounting panel is the quadrangle and installs at tower crane base top, bottom one side fixed mounting of mounting panel has cylinder one, the piston rod of cylinder one runs through the mounting panel and is connected with the movable block, the opposite side horizontal installation of movable block has the slide rail, the inside sliding connection of slide rail has the fly leaf.
As a further aspect of the present invention: the equal sliding connection in both sides of mounting panel has the slider, the slider is located the fly leaf top, two fixed mounting has the connecting rod between the slider, one side fixed mounting of connecting rod has the lifter, one side fixed mounting of lifter has cylinder two, the piston rod of cylinder two runs through the lifter and is connected with the backing roll, fixed mounting has the guide bar in the both sides still of backing roll, the other end of guide bar runs through the lifter.
As a further aspect of the present invention: the four movable plates are arranged in a quadrilateral mode.
As a further aspect of the present invention: the movable plate is evenly provided with limiting holes, the movable block is provided with a jack, and the limiting holes and the jack are inserted with limiting rods.
As a further aspect of the present invention: the concrete back-pressing block II is composed of trapezoid blocks, the length of the lower bottom of each trapezoid is 5620mm, the length of the upper bottom of each trapezoid is 2820mm, and the height of each trapezoid is 1700 mm.
As a further aspect of the present invention: the working steps of the clamping mechanism are as follows:
placing an extruded plate between four movable plates, driving a first air cylinder to push the movable plates to move until the four movable plates are fixed with the periphery of the extruded plate, inserting the four movable plates into limiting holes and jacks through limiting rods, fixing the movable plates, and finally installing the extruded plate on a tower crane base;
and step two, driving the sliding block to slide up and down, further adjusting the height of the supporting rollers, then driving the cylinder II to push the supporting rollers to move, adjusting the distance between the two supporting rollers, and fixing the concrete anti-cracking reinforcing steel bars.
As a further aspect of the present invention: a construction method of a cast-in-place concrete back pressure type tower crane foundation device comprises the following steps:
step one, mounting a tower crane base on a concrete foundation slab;
placing a layer of extruded sheet between a tower crane base and a concrete counter-pressure block I, firstly placing the extruded sheet between four movable plates, then driving a cylinder I to push the movable plates to move until the four movable plates are all fixed with the periphery of the extruded sheet, finally inserting the movable plates into limiting holes and jacks through limiting rods, fixing the movable plates, and finally installing the extruded sheet on the tower crane base;
step three, binding concrete anti-crack reinforcing steel bars on the placed extruded sheet, closing the mold after the reinforcing steel bars are bound, pouring C25 concrete, and finishing the manufacture of the first concrete counter-pressure block;
and step four, binding concrete anti-cracking reinforcing steel bars on the poured concrete counter-pressure block I, closing the mold after the reinforcing steel bars are bound, pouring C25 concrete, and finishing the manufacture of the concrete counter-pressure block II.
The utility model has the advantages that:
the structure of the utility model changes the construction mode that the traditional tower crane foundation is a single pile bearing platform or a multi-pile bearing platform, and the tower crane is fixed by utilizing the mode of back pressure, the structure can effectively bear all stress generated by the tower crane in the use process, and avoids destroying the constructed foundation slab, and simultaneously, the tower crane is safe and fast in the tower crane dismantling process, the tower crane base can be used in a turnover way after dismantling, the waste of materials is avoided, and the structure is economical and reasonable;
the utility model has the advantages that the extruded sheet is arranged between the tower crane base and the concrete counter-pressure block I, so that the tower crane base and the concrete counter-pressure block I can be effectively separated, and the tower crane base can be smoothly removed when a tower crane is removed at a later stage, so that the tower crane base can be used in a turnover way;
placing a layer of extruded sheet between a tower crane base and a concrete back pressure block I, firstly placing the extruded sheet between four movable plates, then driving a cylinder I to push the movable plates to move until the four movable plates are all fixed with the extruded sheet, finally inserting a limiting rod into a limiting hole and an inserting hole to fix the movable plates, and finally installing the extruded sheet on the tower crane base;
binding concrete anti-crack reinforcing steel bars on a placed extruded sheet, driving a sliding block to slide up and down, further adjusting the height of a supporting roller, then driving a second air cylinder to push the supporting roller to move, adjusting the distance between the two supporting rollers and fixing the concrete anti-crack reinforcing steel bars with different widths, avoiding the concrete anti-crack reinforcing steel bars from shaking, symmetrically arranging every two supporting rollers, arranging every two supporting rollers in parallel, generating a certain height difference, enabling the fixed range to be wider, closing a mold after the reinforcing steel bars are bound, pouring C25 concrete, and finishing the manufacturing of a first concrete counter-pressure block; can dismantle clamping mechanism after the installation, facilitate the use.
Drawings
The present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the front view structure of the tower crane foundation device of the present invention;
FIG. 2 is a schematic cross-sectional view A-A of a tower crane foundation structure;
FIG. 3 is a schematic view of the tower crane base of the present invention;
fig. 4 is a schematic view of the overall structure of the clamping mechanism of the present invention.
In the figure: 1. a concrete foundation slab; 2. a tower crane base; 3. extruding a plastic plate; 4. concrete back pressure block I; 5. a concrete back pressure block II; 6. a clamping mechanism; 61. mounting a plate; 62. a movable block; 63. a slide rail; 64. a limiting hole; 65. a movable plate; 66. a first cylinder; 67. a slider; 68. a second air cylinder; 69. a guide bar; 70. a connecting rod; 71. a support roller; 72. a lifting block.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-4, a cast-in-place concrete back-pressure type tower crane foundation device comprises a concrete foundation slab 1, a tower crane base 2, an extruded sheet 3, a concrete back-pressure block I4, a concrete back-pressure block II 5 and a clamping mechanism 6, wherein the tower crane base 2 is installed at the top of the concrete foundation slab 1, the extruded sheet 3 is fixedly connected to the top of the tower crane base 2 through the clamping mechanism 6, the concrete back-pressure block I4 is cast on the extruded sheet 3, and the concrete back-pressure block II 5 is cast on the concrete back-pressure block I4;
The equal sliding connection in both sides of mounting panel 61 has slider 67, the bottom fixed mounting of slider 67 has the cylinder, slider 67 is located fly leaf 65 top, two fixed mounting has connecting rod 70 between the slider 67, one side fixed mounting of connecting rod 70 has elevator 72, one side fixed mounting of elevator 72 has two 68 cylinders, the piston rod of two 68 cylinders runs through elevator 72 and is connected with backing roll 71, backing roll 71's both sides are fixed mounting still has guide bar 69, the other end of guide bar 69 runs through elevator 72, and two liang of backing rolls 71 symmetry sets up, and two liang of backing roll 71 parallel arrangement, produces certain difference in height, makes its fixed scope wider.
Four movable plates 65 are arranged in a quadrilateral shape.
The movable plate 65 is uniformly provided with a limiting hole 64, the movable block 62 is provided with an insertion hole, and the limiting hole 64 and the insertion hole are inserted with a limiting rod.
The concrete back-pressing block II 5 consists of trapezoid blocks, the length of the lower bottom of the trapezoid is 5620mm, the length of the upper bottom of the trapezoid is 2820mm, and the height of the trapezoid is 1700 mm; the length of the side of the square-shaped outer ring of the concrete back pressing block I is 6760mm, the width of the square-shaped outer ring is 6760mm, the length of the inner ring is 3360mm, the width of the inner ring is 3360mm, and the height of the inner ring is 800 mm; the size of the extruded sheet is 1800mm multiplied by 600mm multiplied by 10 mm; a concrete foundation slab, which is a building foundation slab with the thickness of 350 mm; the tower crane base is a base of a tower crane, mainly comprises a No. 20I-shaped steel beam, and is different in type according to different types of tower crane selection.
The working steps of the clamping mechanism 6 are as follows:
placing the extruded sheet 3 between four movable plates 65, driving a first air cylinder 66 to push the movable plates 65 to move until the four movable plates 65 are fixed with the periphery of the extruded sheet 3, finally inserting the four movable plates 65 into the limiting holes 64 and the jacks through limiting rods to fix the movable plates 65, and finally installing the extruded sheet 3 on the tower crane base 2;
and step two, driving the slide block 67 to slide up and down, further adjusting the height of the supporting roller 71, then driving the air cylinder II 68 to push the supporting roller 71 to move, adjusting the distance between the two supporting rollers 71 and fixing the concrete anti-crack reinforcing steel bar.
A construction method of a cast-in-place concrete back pressure type tower crane foundation device comprises the following steps:
step one, mounting a tower crane base 2 on a concrete foundation slab 1;
placing a layer of extruded sheet 3 between a tower crane base 2 and a concrete counter-pressure block I4, firstly placing the extruded sheet 3 between four movable plates 65, then driving a cylinder I66 to push the movable plates 65 to move until the four movable plates 65 are all fixed with the periphery of the extruded sheet 3, finally inserting a limiting rod into a limiting hole 64 and an inserting hole, fixing the movable plates 65, and finally installing the extruded sheet 3 on the tower crane base 2;
step three, binding concrete anti-crack reinforcing steel bars on the placed extruded sheet, closing the mold after the reinforcing steel bars are bound, pouring C25 concrete, and finishing the manufacture of the concrete counter-pressure block I4;
and step four, binding concrete anti-crack reinforcing steel bars on the poured concrete counter-pressure block I4, closing the mold after the reinforcing steel bars are bound, pouring C25 concrete, and finishing the manufacture of the concrete counter-pressure block II 5.
The utility model discloses a theory of operation:
placing a layer of extruded sheet 3 between a tower crane base 2 and a concrete counter-pressure block I4, firstly placing the extruded sheet 3 between four movable plates 65, then driving a cylinder I66 to push the movable plates 65 to move until the four movable plates 65 are all fixed with the extruded sheet 3, finally inserting the limiting rods into the limiting holes 64 and the jacks through the limiting rods to fix the movable plates 65, and finally installing the extruded sheet 3 on the tower crane base 2. the utility model discloses through the arrangement of the slide rails, the four movable plates 65 can be changed mutually, the extruded sheets 3 with different widths are suitable for being fixed, the use is convenient, the movable plates 65 are convenient to be fixed through the arrangement of the limiting rods which are inserted into the limiting holes 64 and the jacks, and the looseness is avoided in the process of installing the extruded sheet 3;
carry out the anti reinforcing bar that splits of ligature concrete on the extruded sheet of placing, slide from top to bottom through cylinder drive slider 67, and then adjust backing roll 71's height, then drive actuating cylinder two 68, promote backing roll 71 and remove, adjust the interval between two backing rolls 71, a concrete anti-crack reinforcing bar for fixing different width, avoid the anti-crack reinforcing bar of concrete to appear rocking, two liang of backing rolls 71 symmetry sets up simultaneously, and two liang of backing roll 71 parallel arrangement, produce certain difference in height, make its fixed scope wider, carry out the mould closing after the reinforcement is accomplished, and pour the concrete of C25, accomplish the preparation of concrete anti-pressing piece one 4.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is illustrative and explanatory only, and various modifications, additions and substitutions as described for the specific embodiments described herein may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the invention as defined in the claims.
Claims (5)
1. The cast-in-place concrete back-pressure type tower crane foundation device is characterized by comprising a concrete foundation slab (1), a tower crane base (2), an extruded sheet (3), a concrete back-pressure block I (4), a concrete back-pressure block II (5) and a clamping mechanism (6), wherein the tower crane base (2) is installed at the top of the concrete foundation slab (1), the extruded sheet (3) is fixedly connected to the top of the tower crane base (2) through the clamping mechanism (6), the concrete back-pressure block I (4) is poured on the extruded sheet (3), and the concrete back-pressure block II (5) is poured on the concrete back-pressure block I (4);
clamping mechanism (6) are including mounting panel (61), mounting panel (61) have four, four mounting panel (61) are the quadrangle and install at tower crane base (2) top, the bottom one side fixed mounting of mounting panel (61) has cylinder (66), the piston rod of cylinder (66) runs through mounting panel (61) and is connected with movable block (62), the opposite side horizontal installation of movable block (62) has slide rail (63), the inside sliding connection of slide rail (63) has fly leaf (65).
2. The cast-in-place concrete back pressure type tower crane foundation device of claim 1, characterized in that, the equal sliding connection in both sides of mounting panel (61) has slider (67), slider (67) are located fly leaf (65) top, two fixed mounting has connecting rod (70) between slider (67), one side fixed mounting of connecting rod (70) has elevator (72), one side fixed mounting of elevator (72) has cylinder two (68), the piston rod of cylinder two (68) runs through elevator (72) and is connected with backing roll (71), fixed mounting has guide bar (69) in the both sides of backing roll (71) still, the other end of guide bar (69) runs through elevator (72).
3. The cast-in-place concrete back pressure type tower crane foundation device as claimed in claim 1, wherein four movable plates (65) are arranged in a quadrilateral shape.
4. The cast-in-place concrete back pressure type tower crane foundation device according to claim 1, wherein the movable plate (65) is uniformly provided with a limiting hole (64), the movable block (62) is provided with a jack, and the limiting hole (64) and the jack are inserted with a limiting rod.
5. The cast-in-place concrete back pressure type tower crane foundation device of claim 1, wherein the second concrete back pressure block (5) is composed of trapezoidal blocks, the length of the lower bottom of each trapezoid is 5620mm, the length of the upper bottom of each trapezoid is 2820mm, and the height of each trapezoid is 1700 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020840396.1U CN212506373U (en) | 2020-05-19 | 2020-05-19 | Cast-in-place concrete back pressure type tower crane foundation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020840396.1U CN212506373U (en) | 2020-05-19 | 2020-05-19 | Cast-in-place concrete back pressure type tower crane foundation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212506373U true CN212506373U (en) | 2021-02-09 |
Family
ID=74380585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020840396.1U Expired - Fee Related CN212506373U (en) | 2020-05-19 | 2020-05-19 | Cast-in-place concrete back pressure type tower crane foundation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212506373U (en) |
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2020
- 2020-05-19 CN CN202020840396.1U patent/CN212506373U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210209 Termination date: 20210519 |
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| CF01 | Termination of patent right due to non-payment of annual fee |