CN202689026U - Prestressing force blocking plate type splicing and mounting prefabricated reinforced concrete tower crane base - Google Patents
Prestressing force blocking plate type splicing and mounting prefabricated reinforced concrete tower crane base Download PDFInfo
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- CN202689026U CN202689026U CN 201220398549 CN201220398549U CN202689026U CN 202689026 U CN202689026 U CN 202689026U CN 201220398549 CN201220398549 CN 201220398549 CN 201220398549 U CN201220398549 U CN 201220398549U CN 202689026 U CN202689026 U CN 202689026U
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Abstract
The utility model relates to a prestressing force blocking plate type splicing and mounting prefabricated reinforced concrete tower crane base which comprises four cross pier square base components, eight linear pier with base components, straight opening blocking plate components, inclined opening blocking plate components, prestressing force stretching and drawing steel strands and clinging hooks, wherein the four cross pier square base components are intensively arranged and upper portions of the four cross pier square base components are pieced together and form a shape which is like a Chinese character 'jing'; the eight linear pier with base components are placed on the periphery of the cross pier square base components in juxtaposition mode, and the upper portions of the eight linear pier with base components form the shape which is like the Chinese character 'jing', and each end of the eight linear pier with base components are extended outside; the straight opening blocking plate components are arranged on edges of the two adjacent linear pier with base components in sealing and blocking mode; the inclined opening blocking plate components are arranged on the edges of the two adjacent linear pier with base components in sealing and blocking mode; the prestressing force stretching and drawing steel strands are connected with the cross pier square base components and the linear pier with base components in piercing mode; and the clinging hooks are connected with the linear pier with base components and the straight opening blocking plate components or the inclined opening blocking plate components in hooking mode. According to the prestressing force blocking plate type splicing and mounting prefabricated reinforced concrete tower crane base, the overturn-resisting capacity is isotropy, the base sliding can be effectively prevented, stability is high, globality is good, stiffness is large, shortcomings of an original fabricated tower crane base are effectively overcome, and usage requirements of various types of the tower crane bases can be satisfied.
Description
Technical field
The utility model relate to a kind of can reusable precast concrete foundation, specifically a kind of prestressing force Flapper type assembly unit prefabricated reinforced concrete tower crane.
Background technology
Pillar crane (abbreviation tower crane) be building trade now widely used a kind of in the specific region lifting device of realization level, vertical transport.Tower crane need to be installed on the tower crane and could work, and tower crane normally uses the condition that need possess to be: 1, strength and stiffness; 2, resistance to capsizing (i.e. stability); 3, anti-torsion ability; 4, the bearing capacity of foundation soil and stability.Only have and satisfy these conditional requests, the safety normal operation of guarantee tower crane also should be satisfied the requirement of the aspects such as the convenient shape of economy, construction and installation and the feature of environmental protection simultaneously.
The cast-in-situ concrete tower crane that uses at present, its cost is high, can only disposablely use, and causes the wasting of resources, does not meet environment protection requirement.The pin-connected panel precast concrete tower crane foundation, although overcome above shortcoming, this class tower crane needs to place glide lamella at bed course could make things convenient for installation, and glide lamella can not be removed; And the anti-torsion ability of this tower crane is poor, and for the large-scale tower crane basis, the integral rigidity deficiency is more obvious; In addition, the filler in the box tower crane can not use mechanical removal, can only manually remove except the sand hole place, and dismounting is wasted time and energy.
The utility model content
The purpose of this utility model just provides a kind of prestressing force Flapper type assembly unit prefabricated reinforced concrete tower crane, to solve existing assembly unit precast concrete tower crane foundation anti-torsion poor performance, the poor problem of integral rigidity, to satisfy the use needs of various model column foots.
The utility model is achieved in that a kind of prestressing force Flapper type assembly unit prefabricated reinforced concrete tower crane, includes:
Concentrate arrangement and top to piece together the cross pier side end member that forms groined type for four;
Member at the bottom of eight word pier bands that juxtaposition is peripheral at described cross pier side end member, extension respectively held in top formation well word;
The straight mouthful baffle component of block on member edge at the bottom of two adjacent described word pier bands;
The angle baffle component of block on member edge at the bottom of two adjacent described word pier bands;
The prestressing force drawing steel stranded wire of cross-under on member at the bottom of described cross pier side end member and the described word pier band; And
Link the hook of taking off between member at the bottom of the described word pier band and straight mouthful baffle component or angle baffle component.
Cross pier on described cross pier side end member is provided with reinforced prism.
The end face of the described reinforced prism on described cross pier side end member is provided with longitudinally anchor (bolt) hole.
Be provided with the connecting bolt that cooperates usefulness with member grafting at the bottom of the described word pier band in the bottom surface of described straight mouthful of baffle component and described angle baffle component.
The bottom surface of member is provided with the antiskid of locating usefulness of pegging graft and moves the steel axle at the bottom of described cross pier side end member and/or a described word pier band.
Be provided with to peg graft at the interface with member at the bottom of the described word pier band that described cross pier side end member connects and cooperate the shearing resistance latch of usefulness.
Be provided with to peg graft at the interface of the described cross pier side end member that connects with member at the bottom of the described word pier band and cooperate the shearing resistance latch of usefulness.
The utility model is by two kinds of assembly groups with the pier member, under the cross-under and prestressed stretch-draw effect of prestressing force drawing steel stranded wire, consist of a dodecagonal mass-type foundation structure, being fixedly connected with by four straight mouthful baffle components and four angle baffle components at its edge, namely form nine cabinet spaces, after wherein filling the mass such as soil, sand or rubble, namely consist of prestressing force Flapper type assembly unit prefabricated reinforced concrete tower crane.In dismounting during this tower crane, after each member mentioned one by one, filler can automatic landing, need not artificial removing, and the lateral surface of this tower crane is dodecagon (or circular etc.), and inside is groined type, the resistance to capsizing isotropism.Add anti-torsion steel axle in the bottom with the pier member, cooperate with the bed course of basic bottom, can effectively stop the slippage on basis, increased the stability of tower crane.Good integrity of the present utility model, rigidity is large, has effectively overcome the shortcoming on existing assembling tower crane basis, can satisfy the use needs of various model column foots.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of cross pier side end member.
Fig. 3 is the structural representation of member at the bottom of the word pier band.
Fig. 4 is the structural representation of straight mouthful baffle component.
Fig. 5 is the structural representation of angle baffle component.
Among the figure: 1, cross pier side end member, member at the bottom of 2, the one word pier band, 3, straight mouthful of baffle component, 4, the angle baffle component, 5, take off hook, 6, connecting bolt, 7, antiskid moves the steel axle, 8, the shearing resistance latch, 9, anchor (bolt) hole, 10, the shearing resistance pin hole.
The specific embodiment
As shown in Figure 1, this novel tower crane comprises 2 two kinds of band piers of member member at the bottom of cross pier side end member 1 and the word pier band, also includes straight mouthful of baffle component 3 and 4 two kinds of enclosing members of angle baffle component.Four kinds of members all are to adopt steel concrete to build moulding.
Four cross pier side end members 1 are arranged with 2 * 2 matrix-style and are concentrated in together, and its part of going to the bottom consists of the closely knit flat bottom surface of a square, and the pier body on its top divides pieces together groined type frame system of composition.Member 2 is distributed in the periphery of four cross pier side end members 1 at the bottom of eight word pier bands, and distinguish corresponding align with go to the bottom part and the pier body of cross pier side end member 1, the bottom sides of member 2 makes the bottom form the closely knit flat bottom surface of dodecagonal along also docking is neat mutually at the bottom of the adjacent word pier band.Pier body at the bottom of the one word pier band on the member 2 divide with cross pier side end member 1 on the pier body divide and dock neatly, consist of the epitaxial part of each termination of groined type.
After member 2 surrounds at the bottom of eight word pier bands, namely forming a kind of square aperture groove and a kind of right angle open slot between the member 2 at the bottom of the two adjacent word pier bands.Straight mouthful of baffle component 3 sealing-ins are on the opening edge edge of square groove; 4 sealing-ins of angle baffle component are on the opening edge edge of right angle open slot.Nine cabinet spaces that consisted of nine mass such as splendid attire soil, sand or rubble on tower crane thus.
Go to the bottom part and the pier body of member 2 is shaped with respectively prestressing force chewiness hole at the bottom of cross pier side end member 1 and a word pier band, by the cross-under prestress wire, can stretch-draw be assembled into dodecagonal integral body tower crane.The contour shape of going to the bottom of member 2 at the bottom of the appropriate change one word pier band can form the bottom surface and be the tower crane of circular or other shapes.
As shown in Figure 2, cross pier side end member 1 is to be provided with the cross pier of projection foursquare going to the bottom, and is shaped with the four prisms cylinder with cross pier one at the center of cross pier, can be described as reinforced prism or reinforced cross pier, to improve the compressive resistance on basis.Be provided with anchor (bolt) hole 9(longitudinally at the end face of reinforced prism and also can open end face at the cross pier), with the stone bolt cross-under and be fixed on the bed course of basic bottom.
As shown in Figure 3, member 2 is that to be rectangle, a side in a side be provided with the Yi Zidun of projection for oblique tetragonal going to the bottom at the bottom of the one word pier band, the bottom surface of member 2 is provided with 3-4 antiskids and moves steel axle 7 at the bottom of a word pier band, is positioned on the bed course with grafting, and the antiskid that improves the basis moves performance.
Such as Fig. 4, shown in Figure 5, a straight mouthful baffle component 3 is flat concrete prefabricated element; Angle baffle component 4 is the folded plate type concrete prefabricated element of middle part barring, and its angle of turning up is identical with the angle that member 2 at the bottom of two word pier bands is gone to the bottom after docking.Bottom surface at straight mouthful of baffle component 3 and angle baffle component 4 is respectively arranged with connecting bolt 6, can be plugged on member 3 at the bottom of the word pier band and go to the bottom in the preformed hole of end face, improves bonding strength.
As shown in Figure 1, the end face edge of a word pier of member 2 and have reserving hole at the end face edge of straight mouthful of baffle component 3 or angle baffle component 4 at the bottom of a word pier band, take off hook 5 and link on adjacent reserving hole, are connected stable connection the with member 2 tops at the bottom of the word pier band with the angle baffle component to realize straight mouthful of baffle component 3.
Among Fig. 3, the interface of member 2 is provided with four shearing resistance latches 8 at the bottom of a word pier band that connects with cross pier side end member 1; Among Fig. 2, correspondence is provided with four shearing resistance pin holes 10 on the interface of cross pier side end member 1, and shearing resistance latch 8 is plugged in the shearing resistance pin hole 10, can suitably improve at the bottom of cross pier side end member 1 and the word pier band anti-shear ability of junction between the member 2.
Also four shearing resistance latches can be set at the interface of cross pier side end member 1, the interface of member 2 arranges the shearing resistance pin hole at the bottom of a word pier band, to improve the anti-shear ability of junction.
Claims (7)
1. a prestressing force Flapper type assembly unit prefabricated reinforced concrete tower crane is characterized in that, includes:
Concentrate arrangement and top to piece together the cross pier side end member that forms groined type for four;
Member at the bottom of eight word pier bands that juxtaposition is peripheral at described cross pier side end member, extension respectively held in top formation well word;
The straight mouthful baffle component of block on member edge at the bottom of two adjacent described word pier bands;
The angle baffle component of block on member edge at the bottom of two adjacent described word pier bands;
The prestressing force drawing steel stranded wire of cross-under on member at the bottom of described cross pier side end member and the described word pier band; And
Link the hook of taking off between member at the bottom of the described word pier band and straight mouthful baffle component or angle baffle component.
2. tower crane according to claim 1 is characterized in that, the cross pier on described cross pier side end member is provided with reinforced prism.
3. tower crane according to claim 2 is characterized in that, the end face of the described reinforced prism on described cross pier side end member is provided with longitudinally anchor (bolt) hole.
4. according to claim 1,2 or 3 described tower cranes, it is characterized in that, being provided with in the bottom surface of described straight mouthful baffle component and described angle baffle component pegs graft with member at the bottom of the described word pier band cooperates the connecting bolt of usefulness.
5. according to claim 1,2 or 3 described tower cranes, it is characterized in that, the antiskid that the bottom surface of member is provided with the location usefulness of pegging graft at the bottom of described cross pier side end member and/or a described word pier band moves the steel axle.
6. tower crane according to claim 4 is characterized in that, is provided with to peg graft at the interface with member at the bottom of the described word pier band that described cross pier side end member connects to cooperate the shearing resistance latch of usefulness.
7. tower crane according to claim 5 is characterized in that, is provided with to peg graft at the interface of the described cross pier side end member that connects with member at the bottom of the described word pier band to cooperate the shearing resistance latch of usefulness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220398549 CN202689026U (en) | 2012-08-13 | 2012-08-13 | Prestressing force blocking plate type splicing and mounting prefabricated reinforced concrete tower crane base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220398549 CN202689026U (en) | 2012-08-13 | 2012-08-13 | Prestressing force blocking plate type splicing and mounting prefabricated reinforced concrete tower crane base |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202689026U true CN202689026U (en) | 2013-01-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220398549 Expired - Fee Related CN202689026U (en) | 2012-08-13 | 2012-08-13 | Prestressing force blocking plate type splicing and mounting prefabricated reinforced concrete tower crane base |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202689026U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108416171A (en) * | 2018-04-03 | 2018-08-17 | 中民筑友有限公司 | Technique profile design drawing generating method, system, device and readable storage medium storing program for executing |
| CN111648398A (en) * | 2020-06-30 | 2020-09-11 | 武汉理工大学 | GIS equipment modular assembly type concrete I-shaped foundation and installation method thereof |
-
2012
- 2012-08-13 CN CN 201220398549 patent/CN202689026U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108416171A (en) * | 2018-04-03 | 2018-08-17 | 中民筑友有限公司 | Technique profile design drawing generating method, system, device and readable storage medium storing program for executing |
| CN111648398A (en) * | 2020-06-30 | 2020-09-11 | 武汉理工大学 | GIS equipment modular assembly type concrete I-shaped foundation and installation method thereof |
| CN111648398B (en) * | 2020-06-30 | 2024-05-07 | 武汉理工大学 | GIS equipment modularized assembly type concrete character-shaped foundation and installation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130123 Termination date: 20150813 |
|
| EXPY | Termination of patent right or utility model |