CN202114437U - Positioning device for foundation bolts - Google Patents
Positioning device for foundation bolts Download PDFInfo
- Publication number
- CN202114437U CN202114437U CN 201120215495 CN201120215495U CN202114437U CN 202114437 U CN202114437 U CN 202114437U CN 201120215495 CN201120215495 CN 201120215495 CN 201120215495 U CN201120215495 U CN 201120215495U CN 202114437 U CN202114437 U CN 202114437U
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- CN
- China
- Prior art keywords
- bolt
- straight
- tower crane
- inclined support
- bars
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a positioning device for foundation bolts. The positioning device for the foundation bolts comprises four circular plates, four straight rods and a middle oblique support rod, wherein the four circular plates and the four straight rods form a square; the four circular plates are distributed on the four corners of the square; the four straight rods are distributed on the four edges of the square; at least one end of each straight rod is connected with the circular plates in a dismountable way; four bolt holes are arranged on each circular plate; the middle oblique support rod is obliquely pulled between two diagonal circular plates; and at least one end of the middle oblique support rod is connected with the circular plates in a dismountable way. The positioning device for the foundation bolts comprises the four circular plates, the four straight rods and the middle oblique support rod, has light and simple structure and small volume, is convenient in transportation and saves the transportation expenses; and the positioning device for the foundation bolts can accurately position the bolt on a foundation, therefore, the in-place installation of a tower crane base is ensured, and certain transportation and installation cost as well as labor force can be reduced.
Description
Technical field
The utility model relates to the positioner that a kind of use is installed at the tower crane base, relates in particular to a kind of anchor bolt positioner.
Background technology
The installation levelness that tower crane is installed the tower crane base all has higher requirement, guarantee tower crane base level, at first will pre-buried good anchor bolt, the tower crane base is installed again and through after the disposable smoothing of parallels, but normal mounting tower crane just.Install the base of tower crane; The one, guarantee to accomplish that the pre-buried size of anchor bolt is identical with tower crane bolt of lower base hole; Guarantee that the tower crane base is in place, the 2nd, guarantee to accomplish the levelness after the tower crane base is installed that the vertical central lines that tower crane is installed is controlled within 4 ‰.
The installation of existing tower crane base is to utilize the tower crane base to locate, and at first is after treating that the reinforcement foundation colligation is good, to be placed on the base of tower crane on the parallels of bar frame; Reserve the protective layer of reinforcing bar; Be through each root bolt in the bolt hole of tower crane base again, behind level meter smoothing tower crane base, adopt every bolt of electric weld handle to be weldingly fixed on the bar-mat reinforcement; Make it into as a whole, placing concrete then.Treat concrete after curing period, before tower crane is installed, also will once check again that because basic when placing concrete, the change of the level of tower crane base possibility can be installed tower crane so will carry out the secondary smoothing to the tower crane base to the tower crane base.This tower crane base that utilizes is located; Though can guarantee that tower crane bolt and tower crane base installing and locating are accurate; But there is following defective: 1. before the tower crane bolt is installed, must be transported to the job site to the tower crane base with buggy, anchor bolt can be installed; 2. because of the tower crane base is heavier, utilize crane gear to be placed on ability construction bolt on the good bar-mat reinforcement of colligation to the tower crane base; Though 3. anchor bolt is fixing, in the placing concrete process,, all can make the tower crane base produce horizontal error, so will carry out the secondary smoothing to the tower crane base again owing to concrete impulsive force, shaking force, operating personnel trample on bar-mat reinforcement; 4. when placing concrete, do not note just causing easily tower crane bedplate below the phenomenon in cavity to occur; 5. it is too high to occur mixing earth surfaces easily, encases four bedplates of tower crane base, is unfavorable for that the secondary smoothing and the base of tower seat removed; 6. when placing concrete, be sprinkling upon concrete grout on the base easily, cause the tower crane base unclean.
The utility model content
To the above-mentioned deficiency that prior art exists, the utility model provides a kind of installation and transportation of both being convenient to, and minimizes transport costs, and can guarantee accurate positioning again, guarantees the anchor bolt positioner of tower crane base installation in position.
The anchor bolt positioner that the utility model provides comprises four blocks of plectanes, four straight-bars and a middle inclined support bar; Said four blocks of plectanes and four straight-bars are formed square, and four blocks of plectanes are distributed on foursquare four angles, and four straight-bars are distributed on the four edges; At least one end of said straight-bar is dismountable to be connected on the plectane; Be equipped with on four blocks of plectanes with the tower crane base on corresponding four bolts hole in hole; Inclined support bar tiltedly is pulled between two plectanes at diagonal angle dismountable being connected on the plectane of at least one end of middle inclined support bar in the middle of said.
Further; Four straight-bars are formed by connecting by two short straight rods; One end of a short straight rod is through the mode and the plectane welding of welding, and the other end is connected through bolt with an end of another root short straight rod, and the other end of another root short straight rod is connected with another plectane through bolt.
Further again, middle inclined support bar is formed by connecting two short inclined support bars, connects through bolt between two short inclined support bars, and the other end of two short inclined support bars is connected with two plectanes at diagonal angle respectively through bolt.
The anchor bolt positioner of the utility model compared with prior art, has following advantage:
1, the anchor bolt positioner is made up of four blocks of plectanes, four straight-bars and a middle inclined support bar, and structure is light simple, and volume is little, is convenient to transportation, and minimizes transport costs.
2, the anchor bolt positioner is accurately located the bolt on the basis, has both guaranteed tower crane base installation in position, can reduce certain transportation mounting cost and labour again.
Description of drawings
Fig. 1 is the front view of anchor bolt positioner;
Fig. 2 is the vertical view of anchor bolt positioner;
Fig. 3 is the front view after the straight-bar folding on the plectane;
Fig. 4 is the vertical view after the straight-bar folding on the plectane;
Fig. 5 is the front view after the middle inclined support bar folding;
Fig. 6 is the vertical view after the middle inclined support bar folding.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is done to describe in further detail.
Fig. 1 is the front view of anchor bolt positioner, and Fig. 2 is the vertical view of anchor bolt positioner, and is as shown in the figure.The anchor bolt positioner comprises inclined support bar 3 in the middle of four blocks of plectanes 1, four straight-bars 2 and.Four blocks of plectanes 1 and four straight-bars 2 are formed square, and four blocks of plectanes 1 are distributed on foursquare four angles, and four straight-bars 2 are distributed on the four edges.At least one end of straight-bar 2 is dismountable to be connected on the plectane 1 (in the present embodiment; One end of straight-bar 2 is connected with a plectane through bolt; The other end of straight-bar is fixedly connected with another plectane through the mode of welding), be equipped with on four blocks of plectanes 1 with the tower crane base on corresponding four bolts hole 4 in hole.Middle inclined support bar 3 tiltedly is pulled between two plectanes 1 at diagonal angle, and at least one end of middle inclined support bar 3 is dismountable to be connected (in the present embodiment, the two ends of middle inclined support bar 3 all are connected with plectane through bolt) on the plectane 1.
In the present embodiment, four straight-bars 2 are formed by connecting by two short straight rods, and an end of a short straight rod 21 is through the mode and the plectane welding of welding; The other end is connected through bolt with an end of another root short straight rod 22; The other end of another root short straight rod 22 is connected with another plectane through bolt, like this, when dismounting, only needs bolt is back-outed; Just can straight-bar 2 and plectane 1 be carried out folding, take up room (like Fig. 3 and shown in Figure 4) reduced in folding back.Middle inclined support bar 3 also is formed by connecting two short inclined support bars; Connect through bolt between two short inclined support bars, the other end of two short inclined support bars is connected with two plectanes 1 at diagonal angle respectively through bolt, when dismantling middle inclined support bar 3; Only need the bolt at two ends is back-outed; Will be wherein short inclined support bar Rotate 180 °, just can two short inclined support bars be overlaped (like Fig. 5 and shown in Figure 6), be convenient to put and transport.This anchor bolt positioner is foldable positioner, is the field erected practical frock of tower crane bolt.
Use this anchor bolt positioner to carry out the tower crane base and install, step is following:
1) colligation reinforcement foundation at first is placed on the anchor bolt positioner on the parallels of bar frame then, reserves the protective layer of reinforcing bar.
2) ten six roots of sensation bolts are through in the bolt hole 4 of four blocks of plectanes 1, screw in locking nut at the top of every bolt, the mode that adopts electric welding is connected on every stud weld and makes it into as a wholely on the bar-mat reinforcement, must guarantee the perpendicularity of every bolt during welding.
3) after the bolt welding was fixed, the locking nut with every bolt top screwed out again, and dismounting is the anchor bolt positioner down.Dismounting down during the anchor bolt positioner, is difficult for taking off from bolt if this device is whole, after can at first an end of four straight-bars 2 and a middle inclined support bar 3 being pulled down from plectane 1, plectane 1 is pulled down from the bolt on the basis again.
4) placing concrete need guarantee that when placing concrete concrete casting is smooth, and the bolt top exceeds concrete 145～155mm.Every bolt is screwed on nut, and bolt exceeds about the plectane 150mm of location, because steel reinforced concrete protective layer 20mm, tower crane bedplate 30mm, double nut 70mm, bolt silk tooth stay 30 mm (in the time of will guaranteeing the smoothing of tower crane base, bolt has enough length).
5) treat concrete after curing period, carry out the tower crane base again and install; At first ten six roots of sensation bolts are passed the bolt hole of tower crane base during installation respectively; Behind the tower crane base installation in position, adjust disposable smoothing tower crane base through wedge; Gap below the tower crane base is carried out back-grouting with the mixed earth of rubble and is got final product at last.If bolt has the error of a little when passing the bolt hole of tower crane base, can twist a nut at the bolt top, proofread and correct with hammer.
Explanation is at last; Above embodiment is only unrestricted in order to the technical scheme of explanation the utility model; Although with reference to preferred embodiment the utility model is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement the technical scheme of the utility model; And not breaking away from the aim and the scope of the utility model technical scheme, it all should be encompassed in the middle of the claim scope of the utility model.
Claims (3)
1. an anchor bolt positioner is characterized in that: comprise four blocks of plectanes (1), four straight-bars (2) and a middle inclined support bar (3); Said four blocks of plectanes (1) and four straight-bars (2) are formed square, and four blocks of plectanes (1) are distributed on foursquare four angles, and four straight-bars (2) are distributed on the four edges; At least one end of said straight-bar (2) is dismountable to be connected on the plectane (1); Be equipped with on four blocks of plectanes (1) with the tower crane base on corresponding four bolts hole in hole (4); Inclined support bar (3) tiltedly is pulled between two plectanes (1) at diagonal angle in the middle of said, and at least one end of middle inclined support bar (3) is dismountable to be connected on the plectane (1).
2. anchor bolt positioner according to claim 1; It is characterized in that: four straight-bars (2) are formed by connecting by two short straight rods; One end of a short straight rod is through the mode and the plectane welding of welding; The other end is connected through bolt with an end of another root short straight rod, and the other end of another root short straight rod is connected with another plectane through bolt.
3. anchor bolt positioner according to claim 1; It is characterized in that: middle inclined support bar (3) is formed by connecting two short inclined support bars; Connect through bolt between two short inclined support bars, the other end of two short inclined support bars is connected with two plectanes (1) at diagonal angle respectively through bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120215495 CN202114437U (en) | 2011-06-23 | 2011-06-23 | Positioning device for foundation bolts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120215495 CN202114437U (en) | 2011-06-23 | 2011-06-23 | Positioning device for foundation bolts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202114437U true CN202114437U (en) | 2012-01-18 |
Family
ID=45455535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120215495 Expired - Fee Related CN202114437U (en) | 2011-06-23 | 2011-06-23 | Positioning device for foundation bolts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202114437U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102962621A (en) * | 2012-12-04 | 2013-03-13 | 马钢(集团)控股有限公司 | Automatic centering welding deice for bolts of shell liner of mixing machine |
| CN103741709A (en) * | 2014-01-09 | 2014-04-23 | 武汉竹安工程设备管理有限公司 | Embedded bolt mold for tower crane |
-
2011
- 2011-06-23 CN CN 201120215495 patent/CN202114437U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102962621A (en) * | 2012-12-04 | 2013-03-13 | 马钢(集团)控股有限公司 | Automatic centering welding deice for bolts of shell liner of mixing machine |
| CN102962621B (en) * | 2012-12-04 | 2014-12-17 | 马钢(集团)控股有限公司 | Automatic centering welding deice for bolts of shell liner of mixing machine |
| CN103741709A (en) * | 2014-01-09 | 2014-04-23 | 武汉竹安工程设备管理有限公司 | Embedded bolt mold for tower crane |
| CN103741709B (en) * | 2014-01-09 | 2016-06-29 | 武汉竹安工程设备管理有限公司 | A kind of tower crane pre-embedded bolt mould |
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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: 20120118 Termination date: 20140623 |
|
| EXPY | Termination of patent right or utility model |