CN101718097B - Prefabricated precast concrete tower crane foundation in the shape of bolt connecting box - Google Patents

Prefabricated precast concrete tower crane foundation in the shape of bolt connecting box Download PDF

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Publication number
CN101718097B
CN101718097B CN2009102351228A CN200910235122A CN101718097B CN 101718097 B CN101718097 B CN 101718097B CN 2009102351228 A CN2009102351228 A CN 2009102351228A CN 200910235122 A CN200910235122 A CN 200910235122A CN 101718097 B CN101718097 B CN 101718097B
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China
Prior art keywords
box
tower crane
bolt
box component
component
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Expired - Fee Related
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CN2009102351228A
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Chinese (zh)
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CN101718097A (en
Inventor
范力
李富民
常鸿飞
夏军武
王凯
王京
秦丙寅
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JIANGSU WANRONG ENGINEERING TECHNOLOGY CO., LTD.
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Xuzhou Jiuding Construction Group Co Ltd
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Priority to CN2009102351228A priority Critical patent/CN101718097B/en
Publication of CN101718097A publication Critical patent/CN101718097A/en
Application granted granted Critical
Publication of CN101718097B publication Critical patent/CN101718097B/en
Expired - Fee Related legal-status Critical Current
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Abstract

The invention relates to a precast concrete tower crane foundation, in particular to a prefabricated precast concrete tower crane foundation in the shape of a bolt connecting box, belonging to the technical field of the constructional machinery. The prefabricated precast concrete tower crane foundation in the shape of a bolt connecting box comprises a plurality of box-shaped components in three structural forms. The box-shaped components are connected into a whole body by bolts. Solid or liquid is filled in the box-shaped components so as to be used weight balancing material. The prefabricated precast concrete tower crane foundation can be installed conveniently and constructed easily on the site and has low manufacturing cost. The weight balancing material can be filled and removed conveniently. The prefabricated precast concrete tower crane foundation can meet the requirement of the tower cranes of various types and models, has similar stability in all directions, has no weak axis and has good overturning resisting ability. The bolts for connecting the box-shaped components can be used repeatedly.

Description

The shape of bolt connecting box prefabricated precast concrete tower crane foundation
Technical field
The present invention relates to a kind of concrete tower crane foundation, be specifically related to a kind of shape of bolt connecting box prefabricated precast concrete tower crane foundation, be applicable to the tower crane of all kinds and model, belong to the construction machinery equipment technical field.
Background technology
Tower crane is the visual plant that building trade is carried out the construction hoisting hauling operation, and the vertical transport of most of constructional materials is all finished by tower crane.For guaranteeing that tower crane normally moves, tower crane must be installed on the tower crane, and tower crane must have enough resistance to capsizings and guarantee that ground is not destroyed; Simultaneously, tower crane should be convenient to make, transport and loading and unloading.The form of tower crane is varied, and using maximum tower crane forms at present is the Cast-in-situs type basis, comprises shallow foundation, pile foundation.Cast-in-situs type foundation cost costliness, quality are not easy to guarantee and long construction period.In recent years, a kind of prefabricated assembled cross tower crane occurred, this basis is formed by connecting by prestressed reinforcement stretch-draw at two major axes orientations by several pre-constructed units, and can increase counterweight thereon and improve resistance to capsizing.Assembling cross tower crane has been saved construction period greatly with respect to the Cast-in-situs type basis.But the globality of assembling cross tower crane is poor, and base pressure is wayward and cause ground to destroy; Simultaneously, there is obviously weak axle in this basis and its resistance to capsizing is weakened greatly, also once occurs such problem in recent years.In addition, cumbersome by prestressed stretch-draw assembling construction, on-the-spot tension technology requires also high, and prestressed reinforcement can not be reused and cause waste.
So this area problem that need solve at present is, must make this basis easy for installation, save cost, resistance to capsizing is good, and filling quality guarantees easily, and the easy removal of filler can be applicable to the tower crane of all kinds and model.
Summary of the invention
The present invention seeks to overcoming above-mentioned the deficiencies in the prior art part, a kind of assembling tower crane basis is provided, and this tower crane comprises a plurality of box components of being made up of 3 kinds of form of structure, and this tower crane is not only on-the-spot easy for installation, construction is simple, save cost, and the filling of mass and removal are convenient, can satisfy the needs of all kinds and model tower crane, each is approaching to stability simultaneously, do not have weak axle, resistance to capsizing is good, and connecting bolt is reusable between each member and the member.
The present invention realizes with following technical scheme: a kind of shape of bolt connecting box prefabricated precast concrete tower crane foundation, it is characterized in that: this tower crane comprises a plurality of box components of being made up of 3 kinds of form of structure, described basic interposition is equipped with the central box member, the central box member respectively be equipped with box component all around, one side of box component has another kind of box component, on the sidewall of each box component, bolt hole is arranged, each box component by the groove on its sidewall with will be connected in the stud weld junctor inserting bolt hole after projection is agreed with mutually.
Described central box member is the box structure of interior void, and case top concrete slab has bolt hole, and each face is fluted respectively around the central box member.
Around the described box component is the concrete tank wall, box component middle part add in the T shape every, every the edge of a wing bolt hole is set in this T shape, carrying out bolt with the support bar of part tower crane is connected, three of being connected with another kind of box component of this box component and central box member have projection and groove respectively, unload repeated hole on the sidewall in the box component outside.
Described another kind of box component is the box-shaped concrete component, the middle part add in the in-line every, at the both sides sidewall that links to each other with box component projection is arranged, unload repeated hole on the sidewall in the box component outside.
Described stud weld junctor is to connect a channel-section steel with two high-strength bolts at the hold-doun nut end, and high-strength bolt and channel-section steel are welded, and the stud weld junctor can directly be inserted in the high-strength bolt hole, connects with nuts at another side again.
The mass of filling in the described box component can be solid or fluent material, and mass can directly be put into box component, and can be from the top taking-up or from unloading the repeated hole removal.
Beneficial effect of the present invention: this tower crane is simple for production, mounting or dismounting are convenient, and can be repeatedly used, groove on the tank wall of each box component is connected the shear resistance that makes between member to be increased greatly with bossing, and foundation bed is an octagon, does not have weak axle, resistance to capsizing is better, differential settlement for the basis has resistant function preferably simultaneously, and filling quality guarantees easily, can be applied to the tower crane of all kinds and model.
Description of drawings
Below in conjunction with drawings and Examples the present invention is described in further detail:
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the floor map of member 1 among Fig. 1;
Fig. 3 is the lateral view of Fig. 2;
Fig. 4 is the floor map of member 2 among Fig. 1;
Fig. 5 is the elevation of Fig. 4;
Fig. 6 is the left view of Fig. 4;
Fig. 7 is the right view of Fig. 4;
Fig. 8 is the floor map of member 3 among Fig. 1;
Fig. 9 is the A direction lateral view of Fig. 8;
Figure 10 is the schematic diagram of stud weld junctor 8.
Among the figure: 1, central box member, 2, box component, in 2-1, the T shape every, 3, box component, in 3-1, the in-line every, 4, bolt hole, 5, bolt hole, 6-1, groove, 6-2, projection, 7, unload repeated hole, 8, the stud weld junctor.
The specific embodiment
As shown in the figure: a kind of shape of bolt connecting box prefabricated precast concrete tower crane foundation, this tower crane comprises a plurality of box components of being made up of 3 kinds of form of structure, described basic interposition is equipped with central box member 1, central box member 1 respectively be equipped with box component 2 all around, one side of box component 2 has box component 3, bolt hole 5 is arranged on the sidewall of each box component, each box component by the groove 6-1 on its sidewall with will be connected in the stud weld junctor 8 inserting bolt holes 5 after protruding 6-2 agrees with mutually.
Described central box member 1 is the box structure of interior void, and case top concrete slab has bolt hole 4, the fluted 6-1 of each face difference around the central box member 1.
Around the described box component 2 is the concrete tank wall, the box component middle part adds in the T shape every 2-1, every the edge of a wing bolt hole 4 is set in this T shape, carrying out bolt with the support bar of part tower crane is connected, three of being connected with box component 3 of this box component and central box member 1 have protruding 6-2 and groove 6-1 respectively, unload repeated hole 7 on the sidewall in box component 2 outsides.
Described box component 3 is the box-shaped concrete component, and the middle part adds in the in-line every 3-1, and the both sides sidewall that links to each other with box component 2 at box component 3 has protruding 6-2, unloads repeated hole 7 on the sidewall in box component 3 outsides.
Described stud weld junctor 8 is to connect a channel-section steel with two high-strength bolts at the hold-doun nut end, and high-strength bolt and channel-section steel are welded, and stud weld junctor 8 can directly be inserted in the high-strength bolt hole 5, connects with nuts at another side again.
The mass of filling in described box component 2, the box component 3 can be solid or fluent material, and mass can directly be put into box component, and can be from the top taking-up or from unloading the repeated hole removal.
The course of work: the tower crane position should be reserved by first unwrapping wire in the job site, and then at tower crane position excavation pit, excavation should be poured into a mould concrete cushion after finishing on foundation ditch.Require the bearing capacity of foundation soil under the column foot to meet the demands,, should carry out beating bed course again after ground is handled as not satisfying.Behind the bed course casting complete, find the permanent position of each member at bed course top unwrapping wire, at first center box-type structure 1 is lifted the precalculated position again, then four box-type structures 2 are being lifted the precalculated position, member 1,2 is connected together, will weld body 8 again and directly be inserted in the keyhole 5 between member.Nuts with bolt in member 1 tightens on the member, this moment 1,2 just tight connections together of member.And then member 3 is lifted the precalculated position, member 3 is inserted the basis by 45 degree directions, be connected on the member 2.Be connected to stud weld junctor 8 on the bolt hole 5 this moment again, and at other end connecting bolt cap, each member connects and can finish.To the corrosion of bolt, the bolt protective sleeve can be set, when preventing from member to fill counterweight on bolt top with bolt and extraneous the isolation.
After the basis connection is finished, can in member 2,3, fill mass as requested.Before filling counterweight, will unload repeated hole 7 usefulness three-ply boards and block, and then fill counterweight at component inside.Then at basic top earthing, after finishing, earthing again the tower crane first segment is lifted the predetermined bolt hole position of member 1, bolt is inserted in the bolt hole 4, in member 1, connect nuts then, after the first segment tower crane connects, top tower crane one is being saved assembly unit to the precalculated position, and this moment, tower crane can carry out work.
Tower crane top one can be saved after the tower crane operation finishes unload remove after, again the bolt in the bolt hole 4 is taken off, tower crane is from the basis behind the removal, after in member 2,3, digging out certain sand again, three-ply board is taken out, again by unloading the mass removal that repeated hole 7 will be wherein, or can directly in the configuration hole, smash again three-ply board to pieces the removal counterweight or directly filler is removed on member top.As filler is that sand and humidity are condensed, and available autocracy hand-held drawn husky device sand is drawn out, or the workman also can directly root out sand on top with scoop.After rooting out counterweight, directly the nut in the removal member 3 directly takes out member 3.Again nuts in the member 1 is removed, member 2 is separated with member 1.This moment, the tower crane removal was finished.After each member of tower crane separates, each lifting component can be transported to other on-the-spot continuation and use.

Claims (6)

1. shape of bolt connecting box prefabricated precast concrete tower crane foundation, it is characterized in that: this tower crane comprises a plurality of box components of being made up of 3 kinds of form of structure, described basic interposition is equipped with central box member (1), central box member (1) respectively be equipped with a box component (2) all around, one side of box component (2) has another kind of box component (3), bolt hole (5) is arranged on the sidewall of each box component, each box component will be connected in stud weld junctor (8) the inserting bolt hole (5) after agreeing with mutually with projection (6-2) by the groove on its sidewall (6-1), in box component (2), can fill mass as basic counterweight in the another kind of box component (3).
2. a kind of shape of bolt connecting box prefabricated precast concrete tower crane foundation according to claim 1, it is characterized in that: described central box member (1) is the box structure of interior void, case top concrete slab has bolt hole (4), and central box member (1) is each face difference fluted (6-1) all around.
3. a kind of shape of bolt connecting box prefabricated precast concrete tower crane foundation according to claim 1, it is characterized in that: described box component (2) is the concrete tank wall all around, the box component middle part adds in the T shape every (2-1), every the edge of a wing bolt hole (4) is set in this T shape, carrying out bolt with the support bar of part tower crane is connected, three of being connected with another kind of box component (3) of this box component and central box member (1) have projection (6-2) and groove (6-1) respectively, unload repeated hole (7) on the sidewall in box component (2) outside.
4. a kind of shape of bolt connecting box prefabricated precast concrete tower crane foundation according to claim 1, it is characterized in that: described another kind of box component (3) is the box-shaped concrete component, the middle part adds in the in-line every (3-1), the both sides sidewall that links to each other with box component (2) at another kind of box component (3) has projection (6-2), unloads repeated hole (7) on the sidewall in another kind of box component (3) outside.
5. a kind of shape of bolt connecting box prefabricated precast concrete tower crane foundation according to claim 1, it is characterized in that: described stud weld junctor (8) is to connect a channel-section steel with two high-strength bolts at the hold-doun nut end, and high-strength bolt and channel-section steel be welded, stud weld junctor (8) can directly be inserted in the high-strength bolt hole (5), connects with nuts at another side again.
6. a kind of shape of bolt connecting box prefabricated precast concrete tower crane foundation according to claim 1, it is characterized in that: the mass of filling in described box component (2), the another kind of box component (3) can be solid or fluent material, mass can directly be put into box component, and can be from the top taking-up or from unloading the repeated hole removal.
CN2009102351228A 2009-11-05 2009-11-05 Prefabricated precast concrete tower crane foundation in the shape of bolt connecting box Expired - Fee Related CN101718097B (en)

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Application Number Priority Date Filing Date Title
CN2009102351228A CN101718097B (en) 2009-11-05 2009-11-05 Prefabricated precast concrete tower crane foundation in the shape of bolt connecting box

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CN101718097B true CN101718097B (en) 2011-09-28

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD811208S1 (en) 2016-12-21 2018-02-27 John Rene Spronken Crane base fastener
US10139037B2 (en) 2016-12-21 2018-11-27 John Rene Spronken Prefabricated reusable concrete pedestal element
USD835878S1 (en) 2016-12-21 2018-12-11 John Rene Spronken Crane base
US10202734B2 (en) 2016-12-21 2019-02-12 John Rene Spronken Prefabricated resuable concrete pedestal element

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102733409B (en) * 2012-05-21 2014-11-05 浙江和勤通信工程有限公司 Combined type communication tower base
CN103015451B (en) * 2012-12-30 2016-01-20 张庆彬 A kind of detachable column foot
CN103343546B (en) * 2013-07-12 2016-01-13 张家港保税区利中国际贸易有限公司 Universal tower crane concrete foundation
CN103590419B (en) * 2013-11-25 2015-08-05 山东电力工程咨询院有限公司 Assembling is adjustable, and high voltage reactor is basic
CN105133637A (en) * 2015-08-26 2015-12-09 郑三刚 H-shaped cross section member for combined foundation of concrete tower crane
CN105939142B (en) * 2016-05-30 2018-02-27 上海电力设计院有限公司 The manufacture installation method of the repeatable roofing photovoltaic support counterweight foundation utilized

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD811208S1 (en) 2016-12-21 2018-02-27 John Rene Spronken Crane base fastener
US10139037B2 (en) 2016-12-21 2018-11-27 John Rene Spronken Prefabricated reusable concrete pedestal element
USD835878S1 (en) 2016-12-21 2018-12-11 John Rene Spronken Crane base
US10202734B2 (en) 2016-12-21 2019-02-12 John Rene Spronken Prefabricated resuable concrete pedestal element

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