CN109368495B - Deviation correcting device is put to interlock stake flat cage hanging - Google Patents
Deviation correcting device is put to interlock stake flat cage hanging Download PDFInfo
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- CN109368495B CN109368495B CN201811483181.2A CN201811483181A CN109368495B CN 109368495 B CN109368495 B CN 109368495B CN 201811483181 A CN201811483181 A CN 201811483181A CN 109368495 B CN109368495 B CN 109368495B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/06—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a deviation correcting device for hanging a flat cage of a secant pile, which comprises a rod body and a sliding device, wherein the rod body is a cylindrical rod, three groups of sliding grooves are formed in the cross section of the rod body along the axial direction, anti-slip layers are respectively arranged at two ends of the rod body, a stop block is fixedly sleeved in the middle of the rod body, the sliding device consists of an axial sliding bearing group and a radial rotating bearing, the axial sliding bearing group comprises an annular connecting shaft and an auxiliary bearing, the auxiliary bearing is provided with three groups, the auxiliary bearing is uniformly distributed on the cross section of the annular connecting shaft, a closed groove is formed in the cross section of the radial rotating bearing along the circumferential direction, and a sliding steel ball body is arranged in the middle of the radial rotating bearing.
Description
Technical Field
The invention belongs to the technical field of occluding piles, and particularly relates to a deviation correcting device for hanging flat cages of occluding piles.
Background
The occluding pile is used as a supporting and retaining structure and has wide application in the construction of deep foundation pit supports such as subway stations and the like. The snap pile design is divided into A, B piles, wherein the A pile reinforcement cage is arranged as a round cage, and the common diameter is 1200mm and 1000mm; the pile B has two forms, one is a plain pile, the other is a reinforced cage concrete pile, and the pile reinforcement cage is arranged as a flat cage;
the construction sequence of the occlusion pile is as follows: and (3) adopting a sleeve protection wall to form holes, firstly constructing B piles at intervals, cutting part of the pile bodies of the B piles by using a hydraulic sleeve drill to construct A piles among the B piles before the concrete of the B piles is initially set, and finally forming an engagement structure of the A piles and the B piles. In the B pile construction process, the self-balancing is poor, especially in the lower process, because the B pile cage is square.
However, in the prior art, the problems that the center of the reinforcement cage deviates from the center of the pile, the reinforcement cage deviates to the pile side and the like easily occur. The steel reinforcement cage deflection pile side easily causes the concrete to be unable to wrap up the steel reinforcement cage completely when the concrete is pour, and protective layer thickness is not enough, and on the other hand, when the manual work rectifies, extravagant labour increases intensity of labour.
Therefore, we propose a secant pile flat cage hanging deviation correcting device to solve the problems existing in the prior art, so that the secant pile flat cage hanging deviation correcting device is beneficial to guaranteeing the thickness of a protective layer of a reinforced concrete structure, and on the other hand, compared with manual deviation correction, the labor force can be saved, and the labor intensity is reduced.
Disclosure of Invention
The invention aims to provide a deviation correcting device for hanging a flat cage of a secant pile, which is beneficial to ensuring the thickness of a protective layer of a reinforced concrete structure, and on the other hand, compared with manual deviation correction, the deviation correcting device can save labor force and reduce labor intensity so as to solve the problems in the prior art.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the utility model provides a deviation correcting device is hung to interlock stake flat cage, includes the body of rod and slider, the body of rod is the cylinder pole, just three sliding tray sets are offered along the axial on the cross-section of the body of rod, the both ends of the body of rod are equipped with the skid resistant course respectively, the body of rod middle part is equipped with fixedly cup joints the dog, slider comprises axial slide bearing group and radial slide bearing, axial slide bearing group includes annular connecting axle and auxiliary bearing, auxiliary bearing is provided with three groups, just auxiliary bearing even distribution is on the cross-section of annular connecting axle, closed recess has been offered along circumference in radial slide bearing's the cross-section, just radial slide bearing's middle part is provided with the sliding steel spheroid, three sets of recesses have been offered on radial slide bearing's the inner wall, just radial slide bearing passes through radial fixing bolt fixed connection with axial slide bearing group.
Preferably, the anti-slip layer is a rubber anti-slip layer, and the width of the anti-slip layer is 10mm.
Preferably, the stop block is made of plastic elastic material;
preferably, the number of the radial fixing bolts is three, and the three groups of the radial fixing bolts are equidistantly arranged.
Preferably, two fifths of one side of the auxiliary bearing is clamped in the sliding groove of the rod body, and two fifths of the other side of the auxiliary bearing is clamped in the groove formed in the radial rotary bearing.
Preferably, the sliding means are provided with two sets, the sliding means comprising one axial sliding bearing set and one radial rotating bearing.
Preferably, the inner width of the sliding groove is consistent with the inner width of the groove, the width of the auxiliary bearing is smaller than the inner width of the sliding groove by 1-1.5cm, and the width of the auxiliary bearing is also smaller than the inner width of the groove by 1-1.5cm.
Preferably, the number of the auxiliary bearings is three, and the included angles among the three groups of the auxiliary bearings are sixty degrees.
Preferably, the included angles among the three groups of radial fixing bolts are sixty degrees.
The invention has the technical effects and advantages that: compared with the prior art, the deviation correcting device for hanging the occluding pile flat cage has the following advantages:
the invention has the advantages of simple structure, convenient operation, strong practicability and the like, can solve the deflection problem in the process of lowering the flat cage of the meshed pile reinforcement cage on one hand, can effectively ensure that the center of the flat cage is kept to be consistent with the center of the pile hole, and is beneficial to ensuring the thickness of the protective layer of the reinforced concrete structure; on the other hand, compared with manual deviation correction, the invention can save labor force and reduce labor intensity.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a deviation correcting device for hanging and placing a flat cage of a secant pile;
FIG. 2 is a sectional view of section B-B in FIG. 1 of a pile-engaging flat cage lifting deviation correcting device according to the present invention;
FIG. 3 is a schematic diagram of the overall structure of a sliding device of a flat cage hanging deviation correcting device for a secant pile;
FIG. 4 is a schematic diagram of the overall structure of an axial sliding bearing set of the deviation correcting device for hanging and placing the occluding pile flat cage;
FIG. 5 is a schematic diagram of the overall structure of a radial rotary bearing of a flat cage hanging deviation correcting device for a secant pile;
FIG. 6 is a schematic cross-sectional view of a pile body of the deviation correcting device for flat cage hanging of the secant pile;
FIG. 7 is a cross-sectional view C-C of FIG. 4 of a pile-engaging flat cage lifting and deviation correcting device according to the present invention;
FIG. 8 is a cross-sectional view A-A of the flat cage hanging deviation rectifying device for the secant pile of FIG. 2;
FIG. 9 is a schematic view of a device for correcting the deviation of the flat cage hanging of the occluding pile for clockwise deflection hanging steel bars;
FIG. 10 is a schematic view of a deviation correcting device for hanging and placing a pile in a flat cage manner, which is used for hanging and placing steel bars in a counter-clockwise deflection manner;
FIG. 11 is a schematic diagram of a mechanical model of a pile-engaging flat cage lifting deviation correcting device lifting steel bars;
FIG. 12 is a diagram showing the overall stress analysis of steel bars lifted by the device for correcting the lifting of the flat cage of the occluding pile;
FIG. 13 is a diagram showing the analysis of the force at point 0 in FIG. 10 of a deviation correcting device for hanging and placing a flat cage of a secant pile according to the present invention;
FIG. 14 is a diagram showing the force analysis of point 0A in FIG. 10 of a deviation correcting device for flat cage lifting of a secant pile according to the present invention;
FIG. 15 is a diagram showing the force analysis of point 0B in FIG. 10 of a deviation correcting device for flat cage lifting of a secant pile according to the present invention;
fig. 16 is a schematic diagram showing deflection of a reinforcement cage of a pile-engaging flat cage lifting deviation correcting device.
In the figure: the anti-skid device comprises a 1 anti-skid layer, a 2 rod body, a 3 sliding device, a 4 stop block, a 5 steel reinforcement cage, a 6 steel wire rope, a 7 pile hole contour line, a 21 sliding groove, a 31 closed groove, a 32 sliding steel ball body, a 33 groove, a 34 auxiliary bearing, a 35 annular connecting shaft, a 36 radial fixing bolt, a 37 axial sliding bearing group and a 38 radial rotating bearing.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. The specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Please further discuss the present invention in conjunction with fig. 1-8: the utility model provides a deviation correcting device is hung to interlock stake flat cage, includes body of rod 2 and slider 3, body of rod 2 is the cylinder pole, just three group's sliding tray 21 has been seted up along the axial on the cross-section of body of rod 2, the both ends of body of rod 2 are equipped with skid resistant course 1 respectively, body of rod 2 middle part is equipped with fixed sleeve has dog 4, slider 3 comprises axial slide bearing group 37 and radial slide bearing 38, axial slide bearing group 37 includes annular connecting axle 35 and auxiliary bearing 34, auxiliary bearing 34 is provided with three groups, just auxiliary bearing 34 even distribution is on the cross-section of annular connecting axle 35, closed recess 31 has been seted up along circumference on radial slide bearing 38's the cross-section, just radial slide bearing 38's middle part is provided with slide steel spheroid 32, three group's recess 33 have been seted up on radial slide bearing 38's the inner wall, just radial slide bearing 38 passes through radial fixing bolt 36 fixed connection with axial slide bearing group 37.
Further, the anti-slip layer 1 is a rubber anti-slip layer, and the width of the anti-slip layer 1 is 10mm.
Further, the stop block 4 is made of plastic elastic material;
further, the number of the radial fixing bolts 36 is three, and the three radial fixing bolts 36 are equidistantly arranged.
Further, two fifths of one side of the auxiliary bearing 34 is clamped in the sliding groove 21 of the rod body 2, and two fifths of the other side of the auxiliary bearing 34 is clamped in the groove 33 formed in the radial rotary bearing 38.
Further, the sliding device 3 is provided with two sets, and the sliding device 3 comprises an axial sliding bearing set 37 and a radial rotating bearing 38.
Further, the inner width of the sliding groove 21 is consistent with the inner width of the groove 33, the width of the auxiliary bearing 34 is smaller than 1-1.5cm of the inner width of the sliding groove 21, and the width of the auxiliary bearing 34 is also smaller than 1-1.5cm of the inner width of the groove 33.
Further, the number of the auxiliary bearings 34 is three, and the included angles between the three auxiliary bearings 34 are sixty degrees.
Further, the included angles between the three sets of radial anchor bolts 36 are sixty degrees.
Example 2
The invention will be further discussed with reference to fig. 9-16, with the following basic assumptions being made:
the reinforcement cage 5 descends at a constant speed in the lifting process, namely G=F;
the total weight of the reinforcement cage 5 is G, and the rest weight is negligible;
the total force of the external force of the hoisting reinforcement cage 5 is F;
the direction is positive upwards and negative downwards; positive to the left and negative to the right;
the total weight G of the reinforcement cage 5 is equally divided on two sides of the steel wire rope 6, namely F1y=F2y=G/2;
the connection point of the steel wire rope is marked as O, the intersection point of the steel wire rope and the left side sliding device is marked as 0A, and the intersection point of the steel wire rope and the right side sliding device is marked as 0B;
the hoisting schematic view of the reinforcement cage 5 is shown in fig. 9 and 10; the mechanical model diagram is shown in fig. 11; the overall stress analysis is shown in FIG. 12; the stress analysis of the point 0, the point 0A and the point 0B is shown in figures 13, 14 and 15 respectively; based on the field practical reinforcement cage 5 lowering experience, two main forms exist for the reinforcement cage 5 lowering deflection, one is that the reinforcement cage 5 is deflected clockwise; the other is that the reinforcement cage 5 is biased counterclockwise as shown in fig. 16.
1. The steel reinforcement cage 5 is deflected clockwise, the placement of the invention is as shown in figure 9, the deviation correcting device for the flat cage hanging of the occluding pile is transversely placed in the middle of the steel wire rope 6, at the moment, the right steel wire rope 6 is positioned behind the right radial rotating bearing closing groove 31, and the left steel wire rope 6 is positioned in front of the left radial rotating bearing closing groove 31; at this time, the operator holds the anti-slip area 1 and applies a pair of torsion forces F0 in the opposite direction to the direction of the self-rotation of the reinforcement cage 5 to the rod body 2, and according to the force balance theory, the reinforcement cage 5 keeps static in the horizontal direction and descends at a uniform speed in the vertical direction, and it is emphasized that because the load is manually applied and the reinforcement cage 5 is in a non-stop descending state, the operator is difficult to master the torsion forces F0 equal to the load, so that the fluctuation in the horizontal direction with small amplitude is allowed by the engineering; with the lower part of the reinforcement cage 5, the distance between the contact points of the steel wire ropes 6 at the two sides of the middle stop block 4 and the sliding devices 4 at the two sides continuously becomes smaller, and the sliding devices 4 are acted by the force of the steel wire ropes 6 until the reinforcement cage 5 is lowered to a specified height; the specific stress analysis is shown in figures 12, 13, 14 and 15;
as shown in fig. 12 and 13:
F=G；
F=F1*COSa/2+F2*COSa/2；
F1=F2；
as shown in fig. 14:
∑Fx=F1x；
∑Fy=F1y-G/2=0；
from the basic assumption, the horizontal direction of the left sliding device receives the horizontal component force F1x of F1 to move rightward along the sliding groove 1 on the rod body 2, the resultant force in the vertical direction is zero, the reinforcement cage 5 keeps descending at a constant speed, and the sliding device 4 rotates around the rod body 2 at a constant speed;
as shown in fig. 15:
∑Fx=F2x；
∑Fy=F2y-G/2=0；
from the basic assumption, the right sliding device 3 receives the horizontal component force F2x of the F2 to move leftwards along the sliding groove 1 on the rod body 2, the resultant force in the vertical direction is zero, the reinforcement cage 5 keeps descending at a constant speed, and the right sliding device 3 rotates around the rod body 2 at a constant speed.
2. The steel reinforcement cage 5 is anticlockwise deflected, the placement of the invention is shown in fig. 10, the deflection correcting device for the flat cage of the occluding pile is transversely placed in the middle of the steel wire rope 6, at the moment, the right steel wire rope 6 is positioned in front of the right radial rotary bearing closing groove 31, and the left steel wire rope 6 is positioned behind the left radial rotary bearing closing groove 31; at this time, the operator holds the anti-slip area 1 and applies a pair of torsion forces F0 in the opposite direction to the direction of the self-rotation of the reinforcement cage 5 to the rod body 2, and according to the force balance theory, the reinforcement cage 5 keeps static in the horizontal direction and descends at a uniform speed in the vertical direction, and it is emphasized that because the load is manually applied and the reinforcement cage 5 is in a non-stop descending state, the operator is difficult to master the torsion forces F0 equal to the load, so that the fluctuation in the horizontal direction with small amplitude is allowed by the engineering; with the lower part of the reinforcement cage 5, the distance between the contact points of the steel wire ropes 6 at the two sides of the middle stop block 4 and the sliding devices 4 at the two sides continuously becomes smaller, and the sliding devices 4 are acted by the force of the steel wire ropes 6 until the reinforcement cage 5 is lowered to a specified height; the specific stress analysis is shown in figures 12, 13, 14 and 15;
as shown in fig. 12 and 13:
F=G；
F=F1*COSa/2+F2*COSa/2；
F1=F2；
as shown in fig. 14:
∑Fx=F1x；
∑Fy=F1y-G/2=0；
from the basic assumption, the left sliding device 3 moves rightward along the sliding groove 1 on the rod body 2 under the action of the horizontal component force F1x of F1, the resultant force in the vertical direction is zero, the reinforcement cage 5 keeps descending at a constant speed, and the left sliding device 3 rotates around the rod body 2 at a constant speed;
as shown in fig. 15:
∑Fx=F2x；
∑Fy=F2y-G/2=0；
from the basic assumption, the horizontal direction of the sliding device 3 on the right side receives the horizontal component force F2x of F2 to move leftwards along the sliding groove 21 on the rod body 2, the resultant force in the vertical direction is zero, the reinforcement cage 5 keeps descending at a constant speed, and the right side sliding device 3 rotates around the rod body 2 at a constant speed;
in summary, the deviation correcting device for hanging the flat cage of the secant pile can solve the deviation problem in the process of hanging the flat cage of the secant pile, can effectively ensure that the center of the flat cage is consistent with the center of the pile hole, and is beneficial to ensuring the thickness of the protective layer of the reinforced concrete structure; on the other hand, compared with manual deviation correction, the invention can save labor force and reduce labor intensity.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.
Claims (9)
1. The utility model provides a deviation correcting device is hung to interlock stake flat cage, includes body of rod (2) and slider (3), its characterized in that: the utility model provides a novel anti-slip device for the steel ball, including body of rod (2), body of rod (2) are cylindrical pole, just three slide groove (21) have been seted up along the axial on the cross-section of body of rod (2), the both ends of body of rod (2) are equipped with skid resistant course (1) respectively, body of rod (2) middle part is equipped with fixed sleeve has dog (4), slider (3) are constituteed by axial slide bearing group (37) and radial slide bearing (38), axial slide bearing group (37) are including annular connecting axle (35) and auxiliary bearing (34), auxiliary bearing (34) are provided with three groups, just auxiliary bearing (34) even distribution is on the cross-section of annular connecting axle (35), closed recess (31) have been seted up along circumference on the cross-section of radial slide bearing (38), just the middle part of radial slide bearing (38) is provided with slide steel ball body (32), three groups recess (33) have been seted up on the inner wall of radial slide bearing (38), just radial slide bearing (38) are fixed connection with axial slide bearing group (37) through radial fixing bolt (36).
2. The deviation correcting device is hung to secant pile flat cage according to claim 1, wherein: the anti-slip layer (1) is a rubber anti-slip layer, and the width of the anti-slip layer (1) is 10mm.
3. The deviation correcting device is hung to secant pile flat cage according to claim 1, wherein: the stop block (4) is made of plastic elastic materials.
4. The deviation correcting device is hung to secant pile flat cage according to claim 1, wherein: the number of the radial fixing bolts (36) is three, and the three groups of the radial fixing bolts (36) are equidistantly arranged.
5. The deviation correcting device is hung to secant pile flat cage according to claim 1, wherein: one side two fifths of the auxiliary bearing (34) is clamped in the sliding groove (21) of the rod body (2), and the other side two fifths of the auxiliary bearing (34) is clamped in the groove (33) formed in the radial rotary bearing (38).
6. The deviation correcting device is hung to secant pile flat cage according to claim 1, wherein: the sliding device (3) is provided with two groups, and the sliding device (3) comprises an axial sliding bearing group (37) and a radial rotating bearing (38).
7. The deviation correcting device is hung to secant pile flat cage according to claim 1, wherein: the inner width of the sliding groove (21) is consistent with the inner width of the groove (33), the width of the auxiliary bearing (34) is smaller than the inner width of the sliding groove (21) by 1-1.5cm, and the width of the auxiliary bearing (34) is also smaller than the inner width of the groove (33) by 1-1.5cm.
8. The deviation correcting device is hung to secant pile flat cage according to claim 1, wherein: the number of the auxiliary bearings (34) is three, and the included angles among the three groups of the auxiliary bearings (34) are sixty degrees.
9. The deviation correcting device is hung to secant pile flat cage according to claim 4, wherein: the included angles between the three groups of radial fixing bolts (36) are sixty degrees.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811483181.2A CN109368495B (en) | 2018-12-05 | 2018-12-05 | Deviation correcting device is put to interlock stake flat cage hanging |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811483181.2A CN109368495B (en) | 2018-12-05 | 2018-12-05 | Deviation correcting device is put to interlock stake flat cage hanging |
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| CN109368495A CN109368495A (en) | 2019-02-22 |
| CN109368495B true CN109368495B (en) | 2023-06-30 |
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| CN113664979B (en) * | 2021-07-07 | 2022-10-14 | 福建省大地管桩有限公司 | Deviation rectifying method for pointed pile head of concrete tubular pile |
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| JP2008069577A (en) * | 2006-09-14 | 2008-03-27 | Okumura Corp | Pile cage building method and pile cage building apparatus |
| EP2653310A2 (en) * | 2012-04-18 | 2013-10-23 | Aktiebolaget SKF | Roller bearing assembly of a printing press |
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