CN214940337U - Anti-pulling restraint device of tower crane foundation - Google Patents
Anti-pulling restraint device of tower crane foundation Download PDFInfo
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- CN214940337U CN214940337U CN202023304411.XU CN202023304411U CN214940337U CN 214940337 U CN214940337 U CN 214940337U CN 202023304411 U CN202023304411 U CN 202023304411U CN 214940337 U CN214940337 U CN 214940337U
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Abstract
The utility model relates to an anti-pulling restraint device of a tower crane foundation, which comprises a section steel tower crane standard knot, a basement roof, a pumping system and a jack system, wherein the section steel tower crane standard knot passes through the basement roof and is fixedly connected with the basement roof; the water pumping system comprises a buoyancy detection element and a water pump, the buoyancy detection element is installed on the standard section of the profile steel tower crane, and the buoyancy detection element is in signal connection with the water pump; the jack system includes the load girder steel, transfers to rise hydraulic jack and transfer to fall hydraulic jack, the load girder steel transversely is fixed in on the shaped steel tower crane standard festival, transfer to rise hydraulic jack with it is fixed in respectively to transfer to fall hydraulic jack the load girder steel below. The utility model discloses can ensure that the resistance to plucking bearing capacity on tower crane basis satisfies the requirement, ensure construction safety, ensure the tower crane even running.
Description
Technical Field
The utility model relates to a construction field especially relates to a resistance to plucking restraint device on tower crane basis.
Background
In the construction environment that the tower crane foundation is in the form of a plate pile foundation, the tower crane pile usually needs to adopt a constraint reinforcing device for a tower body because the uplift bearing capacity cannot meet the requirement. In coastal areas, the underground water level is usually high due to the influence of sea waves and tides because of being close to the seaside, and particularly in coastal beach areas, the underground water level is high, the water level change is large, the geological conditions are poor, and the buoyancy generated by underground water has great influence on underground structures. In order to avoid the influence of higher underground water level on the upward floating of the building and resist the upward displacement of the building, the underground structure of the deep foundation pit in the coastal mudflat area is usually in the form of an anti-floating anchor rod or an anti-pulling pile.
Anti-floating anchor rod: the anti-floating structure is one of the anti-floating measures for underground structure in building engineering, and the structural member set to resist the upward shift of the building is related to the height and change of underground water level. The anti-floating anchor rod needs to be constructed synchronously when the tower crane foundation is constructed, and cannot be increased subsequently.
Pile pulling resistance: the method is widely applied to the anti-floating of large basements, the anti-pulling of high-rise buildings (structures) and the like. Piles are driven to offset the uplift force of water in the soil on the structure if there is a portion of the underground structure of the construction project below the level of the surrounding soil. The main action mechanism of the uplift pile is to resist axial tension by means of the friction force between the pile body and the soil layer. Such as anchor piles, anti-floating piles, etc. However, as the influence of sea waves and tides, the water buoyancy is superposed with the load of the tower crane foundation, and the uplift bearing of the uplift pile of the tower crane foundation can not meet the requirements.
Therefore, how to provide a tower crane foundation anti-pulling restraining device capable of adjusting anti-pulling bearing capacity according to the external environment of the tower crane foundation is a technical problem to be solved urgently by technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
The utility model provides an anti-pulling restraint device on tower crane basis to solve above-mentioned technical problem.
In order to solve the technical problem, the utility model provides an anti-pulling restraining device of a tower crane foundation, which comprises a section steel tower crane standard knot, a basement roof, a pumping system and a jack system, wherein,
the section steel tower crane standard knot penetrates through the basement top plate and is fixedly connected with the basement top plate;
the water pumping system comprises a buoyancy detection element and a water pump, the buoyancy detection element is installed on the standard section of the profile steel tower crane, and the buoyancy detection element is in signal connection with the water pump;
the jack system includes the load girder steel, transfers to rise hydraulic jack and transfer to fall hydraulic jack, the load girder steel transversely is fixed in on the shaped steel tower crane standard festival, transfer to rise hydraulic jack with it is fixed in respectively to transfer to fall hydraulic jack the load girder steel below.
Preferably, the section steel tower crane standard knot is assembled by horizontal section steel, vertical section steel and slant section steel and forms.
Preferably, shaped steel tower crane standard festival with the basement roof passes through "groined type" restraint frame fixed connection, "groined type" restraint frame through anchor U type muscle with basement roof fixed connection, "groined type" restraint frame through L type angle steel connecting piece with shaped steel tower crane standard festival fixed connection.
Preferably, a wood wedge is arranged between the # -shaped constraint frame and the anchoring U-shaped rib in a plugging mode.
Preferably, the anchoring U-shaped rib comprises a U-shaped reinforcing steel bar and a top pressing angle steel, the top pressing angle steel is arranged above the # -shaped constraint frame, the bottom of the U-shaped reinforcing steel bar is pre-buried in the top plate of the basement, the top of the U-shaped reinforcing steel bar penetrates through the # -shaped constraint frame and is fixedly connected with the top pressing angle steel, and the wood wedge plug is arranged in a gap between the U-shaped reinforcing steel bar and the # -shaped constraint frame.
Preferably, the pumping system further comprises a display, a trigger module and a water pump automatic switch, and the buoyancy detection element, the display, the trigger module, the water pump automatic switch and the water pump are connected in sequence.
Preferably, the buoyancy detection element is a strain gauge.
Compared with the prior art, the utility model provides an anti-pulling restraint device on tower crane basis has following advantage:
1. the utility model can ensure that the uplift bearing capacity of the tower crane foundation meets the requirements under the condition of limited construction conditions, and ensure the construction safety;
2. the utility model realizes automatic precipitation of the foundation pit through the pumping system, and has strong adaptability to complex coastal environments; meanwhile, monitoring the integral settlement of the basement and the tower crane, and automatically adjusting the differential settlement through a jack system;
3. the utility model discloses the installation is swift, does not occupy the major process, saves the time limit for a project, and the construction is simple, and the cost is low.
Drawings
Fig. 1 is a schematic structural view of an uplift restraining device of a tower crane foundation according to an embodiment of the present invention;
FIG. 2 is a top view of an uplift restraining device of a tower crane foundation according to an embodiment of the present invention;
fig. 3 is a schematic connection diagram of a cross-shaped constraint frame according to an embodiment of the present invention.
In the figure: the system comprises a 10-section steel tower crane standard knot, a 20-basement top plate, a 30- # -shaped constraint frame, a 31-anchoring U-shaped rib, a 32-L-shaped angle steel connecting piece, a 33-U-shaped steel bar, a 34-jacking angle steel, a 35-wood wedge, a 41-buoyancy detection element, a 42-display, a 43-trigger module, a 44-water pump automatic switch, a 45-water pump, a 51-bearing steel beam, a 52-lifting hydraulic jack and a 53-lifting hydraulic jack.
Detailed Description
In order to describe the technical solution of the above utility model in more detail, the following specific examples are given to demonstrate the technical effects; it should be emphasized that these examples are for illustrative purposes only and are not limiting to the scope of the present invention.
The utility model provides an anti-pulling restraining device of a tower crane foundation, as shown in figures 1 to 3, which comprises a section steel tower crane standard knot 10, a basement roof 20, a pumping system and a jack system, wherein,
the section steel tower crane standard knot 10 penetrates through the basement top plate 20 and is fixedly connected with the basement top plate 20;
the water pumping system comprises a buoyancy detection element 41 (such as a strain gauge) and a water pump 45, wherein the buoyancy detection element 41 is installed on the section steel tower crane standard joint 10, the buoyancy detection element 41 is in signal connection with the water pump 45, and the water pump 44 can be controlled according to the buoyancy detected by the buoyancy detection element 41 in the working process of the tower crane, so that the water level is adjusted, and then all buoyancy of the tower crane foundation is adjusted;
jack system includes bearing girder steel 51, transfers and rises hydraulic jack 52 and transfers and falls hydraulic jack 53, bearing girder steel 51 transversely is fixed in on the shaped steel tower crane standard festival 10, transfer and rise hydraulic jack 52 with it is fixed in respectively to transfer and fall hydraulic jack 53 bearing girder steel 51 below can the whole settlement of real-time supervision basement and tower crane, carries out difference settlement automatic adjustment through jack system.
The utility model realizes automatic precipitation of the foundation pit through the pumping system, and has strong adaptability to complex coastal environments; on the other hand, the whole settlement of the basement and the tower crane is monitored, differential settlement automatic adjustment is carried out through a jack system, the uplift bearing capacity of the tower crane foundation under the condition that construction conditions are limited can be guaranteed to meet requirements, and construction safety is guaranteed. Additionally, the utility model discloses the installation is swift, does not occupy the major process, saves the time limit for a project, and the construction is simple, and the cost is low.
Preferably, please refer to fig. 1, the section steel tower crane standard knot 10 is formed by assembling transverse section steel, vertical section steel and oblique section steel. In this embodiment, the size of shaped steel tower crane standard festival 10 is 1.8m 2.8m, shaped steel tower crane standard festival 10 can splice from top to bottom and form complete tower crane structure.
Preferably, please refer to fig. 1 and 2, the section steel tower crane standard knot 10 is fixedly connected with the basement top plate 20 through a "groined" constraint frame 30, please refer to fig. 3, the "groined" constraint frame 30 is fixedly connected with the basement top plate 20 through an anchoring U-shaped rib 31, the "groined" constraint frame 30 is fixedly connected with the section steel tower crane standard knot 10 through an L-shaped angle steel connecting piece 32, specifically, one side of the L-shaped angle steel connecting piece 32 is welded with the section steel tower crane standard knot 10, and the other side is connected with the "groined" constraint frame 30 through a bolt; and a wood wedge 35 is arranged between the # -shaped constraint frame 30 and the anchoring U-shaped rib 31 in a plugging manner. Specifically, "groined type" restraint frame 30 is including the two-layer I-steel that stacks from top to bottom, and upper and lower two-layer I-steel is mutually perpendicular in the horizontal direction, and the construction is simple, and the cost is low, during the installation, upper and lower two-layer I-steel with the laminating of the vertical shaped steel of shaped steel tower crane standard festival 10, upper and lower two-layer I-steel all adopts 14# I-steel to locate to pass through the bolt with two-layer I-steel fixed connection, realize apart from tip 800mm shaped steel tower crane standard festival 10 with the firm connection of basement roof 20.
Preferably, please refer to fig. 3, the anchoring U-shaped rib 31 includes a U-shaped reinforcing bar 33 and a jacking angle steel 34, in this embodiment, the U-shaped reinforcing bar 33 is a round U-shaped reinforcing bar with a diameter of 18, the size of the jacking angle steel 34 is 63mm × 6mm, specifically, the jacking angle steel 34 is disposed above each i-steel of the "groined" constraint frame 30, the bottom of the U-shaped reinforcing bar 33 is embedded in the top plate 20 of the basement, the top of the U-shaped reinforcing bar 33 passes through the i-steel and is fixedly connected with the jacking angle steel 34, and the wedge 35 is inserted in a gap between the U-shaped reinforcing bar 33 and the i-steel of the "groined" constraint frame 30, so as to ensure that the "groined" constraint frame 30 is firmly connected with the top plate 20 of the basement, and at the same time, the U-shaped reinforcing bar 33 is convenient to assemble and disassemble and can be reused.
Preferably, with continuing reference to fig. 1 and fig. 2, the water pumping system further includes a display 42, a trigger module 43, and a water pump automatic switch 44, the buoyancy detecting element 41, the display 42, the trigger module 43, the water pump automatic switch 44, and the water pump 45 are sequentially connected, for example, by a connecting line, the buoyancy detecting element 41 is used to detect a buoyancy value, in this embodiment, a strain gauge is used, the display 42 is used to display the buoyancy value, and when the buoyancy value reaches 0.8F (where F is designed anti-buoyancy), the trigger module 43 outputs a current to the water pump automatic switch 44 to control the water pump 45 to pump water in the foundation pit, so as to achieve an effect of adjusting the buoyancy.
With continuing reference to fig. 1 to fig. 3, the utility model provides a construction method of an anti-pulling restraining device for a tower crane foundation, which comprises the following steps:
step 1: when the basement top plate 20 is constructed, the bottom of the U-shaped steel bar 33 is pre-buried in the basement top plate 20, specifically, when the steel bar of the basement top plate 20 is bound, a phi 18 smooth round U-shaped steel bar is bound at the same time, then the basement top plate 20 is concreted, and the concrete is maintained for 7 days;
step 2: a # -shaped constraint frame 30 is arranged on the basement top plate 20, and the # -shaped constraint frame 30 is fixedly connected with the U-shaped steel bars 33 through top pressing angle steel 34.
And step 3: and fixedly connecting the # -shaped constraint frame 30 with the standard section 10 of the section steel tower crane. Steps 2 and 3 can be specifically broken down into the following steps: firstly, two pieces of i-steel of a lower layer are installed, each i-steel is adjusted to be close to one side of the section steel tower crane standard knot 10, then corresponding jacking angle steel 34 is installed, the two pieces of i-steel of the lower layer are connected and fastened with a basement top plate 20, then the two pieces of i-steel of the lower layer are connected with the section steel tower crane standard knot 10 through L-shaped angle steel connecting pieces 32, specifically, four L-shaped angle steel connecting pieces 32 are arranged on each piece of i-steel of the lower layer, and please refer to fig. 3. When the L-shaped angle steel connecting piece 32 is connected with the standard section 10 of the section steel tower crane, the L-shaped angle steel connecting piece is connected by welding; when the L-shaped angle steel connecting piece 32 is connected with the two I-shaped steels on the lower layer, two bolts are adopted for connection. And finally, plugging the hole between the U-shaped steel bar 33 and the lower layer I-shaped steel by using a wood wedge 35. Similarly, two i-beams on the upper layer are installed according to the same steps.
And 4, step 4: installing a buoyancy detection element 41 on the # -shaped constraint frame 30, wherein the buoyancy detection element 41 is in signal connection with a water pump 45, preferably, controlling the water pump 45 according to the buoyancy detected by the buoyancy detection element 41 to adjust the water level, and specifically, connecting the buoyancy detection element 41, the display 42, the trigger module 43, the water pump automatic switch 44 and the water pump 45 in sequence by using a lead to form a water pumping system;
and 5: a bearing steel beam 51 is laid on the # -shaped constraint frame 30, an adjusting hydraulic jack 52 and a lifting hydraulic jack 53 are respectively arranged below the bearing steel beam 51, and preferably, the adjusting hydraulic jack 52 or the lifting hydraulic jack 53 is controlled to be opened according to the integral floating or sinking of the tower crane to form a jack system.
The uplift bearing capacity of the tower crane foundation manufactured by the method can meet the requirements of coastal beach areas, and the construction safety is ensured.
To sum up, the utility model provides an anti-pulling restraint device of tower crane foundation, including shaped steel tower crane standard festival 10, basement roof 20, pumping system and jack system, wherein, shaped steel tower crane standard festival 10 passes through basement roof 20, and with basement roof 20 fixed connection; the water pumping system comprises a buoyancy detection element 41 and a water pump 45, the buoyancy detection element 41 is installed on the section steel tower crane standard knot 10, and the buoyancy detection element 41 is in signal connection with the water pump 45; the jack system includes bearing girder steel 51, transfers and rises hydraulic jack 52 and transfers and falls hydraulic jack 53, bearing girder steel 51 transversely is fixed in on the shaped steel tower crane standard festival 10, transfer and rise hydraulic jack 52 with it is fixed in respectively to transfer and fall hydraulic jack 53 bearing girder steel 51 below. The utility model discloses can ensure that the resistance to plucking bearing capacity on tower crane basis satisfies the requirement, ensure construction safety, ensure the tower crane even running.
It will be apparent to those skilled in the art that various changes and modifications may be made to the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (7)
1. An anti-pulling restraining device of a tower crane foundation is characterized by comprising a section steel tower crane standard knot, a basement top plate, a pumping system and a jack system, wherein,
the section steel tower crane standard knot penetrates through the basement top plate and is fixedly connected with the basement top plate;
the water pumping system comprises a buoyancy detection element and a water pump, the buoyancy detection element is installed on the standard section of the profile steel tower crane, and the buoyancy detection element is in signal connection with the water pump;
the jack system includes the load girder steel, transfers to rise hydraulic jack and transfer to fall hydraulic jack, the load girder steel transversely is fixed in on the shaped steel tower crane standard festival, transfer to rise hydraulic jack with it is fixed in respectively to transfer to fall hydraulic jack the load girder steel below.
2. An anti-pulling restraining device of a tower crane foundation according to claim 1, wherein the section steel tower crane standard knot is formed by assembling transverse section steel, vertical section steel and oblique section steel.
3. The anti-pulling restraining device of the tower crane foundation of claim 1, wherein the section steel tower crane standard knot is fixedly connected with the basement top plate through a 'groined' restraining frame, the 'groined' restraining frame is fixedly connected with the basement top plate through an anchoring U-shaped rib, and the 'groined' restraining frame is fixedly connected with the section steel tower crane standard knot through an L-shaped angle steel connecting piece.
4. An anti-pulling restraining device of a tower crane foundation according to claim 3, wherein a wood wedge is arranged between the # -shaped restraining frame and the anchoring U-shaped rib in a plugging mode.
5. The tower crane foundation anti-pulling restraining device of claim 4, wherein the anchoring U-shaped rib comprises a U-shaped steel bar and a jacking angle steel, the jacking angle steel is arranged above the # -shaped restraining frame, the bottom of the U-shaped steel bar is pre-buried in the top plate of the basement, the top of the U-shaped steel bar penetrates through the # -shaped restraining frame and is fixedly connected with the jacking angle steel, and the wood wedge plug is arranged in a gap between the U-shaped steel bar and the # -shaped restraining frame.
6. The anti-pulling restraining device of the tower crane foundation of claim 1, wherein the water pumping system further comprises a display, a trigger module and a water pump automatic switch, and the buoyancy detection element, the display, the trigger module, the water pump automatic switch and the water pump are sequentially connected.
7. An anti-pulling restraining device of a tower crane foundation according to claim 1 or 6, wherein the buoyancy detecting element is a strain gauge.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116027160A (en) * | 2023-02-24 | 2023-04-28 | 中交第一航务工程局有限公司 | Track plate insulation detection device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116027160A (en) * | 2023-02-24 | 2023-04-28 | 中交第一航务工程局有限公司 | Track plate insulation detection device and method |
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