CN210620106U - Auxiliary pile foundation steel reinforcement cage hoisting structure of jack - Google Patents
Auxiliary pile foundation steel reinforcement cage hoisting structure of jack Download PDFInfo
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- CN210620106U CN210620106U CN201921532344.1U CN201921532344U CN210620106U CN 210620106 U CN210620106 U CN 210620106U CN 201921532344 U CN201921532344 U CN 201921532344U CN 210620106 U CN210620106 U CN 210620106U
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Abstract
The utility model discloses a lifting structure of a jack auxiliary pile foundation reinforcement cage, which comprises a reinforcement cage to be lifted into a pile hole casing, a positioning base connected to the periphery of the outer side of the pile hole casing, a set of jack devices connected to the positioning base, a support rod connected between the jack devices and a crane connected with the upper part of the reinforcement cage through a lifting rope; the group of jack devices at least comprises four jack devices which are arranged in a cross shape; the supporting rods are connected between the vertical rods on the opposite jack devices. The lifting jack device can assist the crane in bearing the reinforcement cage in the lifting process and is beneficial to the sectional assembly of the reinforcement cage; the positioning base is arranged, so that the integral performance of the jack fixing device is improved, and the fast installation and the cyclic utilization are facilitated; through the setting of bracing piece, do benefit to and undertake the weight of steel reinforcement cage, and the setting of bracing piece upper groove is convenient for spacing at steel reinforcement cage whereabouts in-process, and the bracing piece is connected the construction operation of being convenient for with the contact of pole setting.
Description
Technical Field
The utility model belongs to pile foundation steel reinforcement cage construction field, in particular to structure is put in auxiliary pile foundation steel reinforcement cage of jack suspension.
Background
Pile foundation construction is a critical step in the construction of buildings and structures. During pile foundation construction, the whole weight of a pile foundation steel reinforcement cage is large, and large-size hoisting machinery needs to be configured on site to cooperate to carry out hoisting and placing construction on the steel reinforcement cage. However, due to the limitation of objective factors such as fields, traffic and environment, the field hoisting machine often has the problems that the weight of the field hoisting machine is not enough to hoist the whole pile foundation reinforcement cage, auxiliary equipment is needed to carry out common bearing, and the positioning and installation reinforcement cage in the hoisting process of the reinforcement cage also needs to be designed in a targeted manner.
SUMMERY OF THE UTILITY MODEL
The utility model provides a structure is put in supplementary pile foundation steel reinforcement cage of jack lifts for convenient operation and reuse scheduling technical problem when the location installation and supplementary of the supplementary hoist and mount, hoist and mount in-process of solving on-the-spot hoist.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a lifting structure of a jack auxiliary pile foundation reinforcement cage comprises a reinforcement cage to be lifted into a pile hole casing, a positioning base connected to the periphery of the outer side of the pile hole casing, a group of jack devices connected to the positioning base, support rods connected between the jack devices and a crane connected with the upper part of the reinforcement cage through lifting ropes;
the reinforcement cage comprises vertical reinforcements and hoop reinforcements connected to the vertical reinforcements at intervals;
the jack device comprises a hydraulic jack, a vertical rod connected to the upper part of the hydraulic jack and a limiting plate connected between the hydraulic jack and the positioning base;
the group of jack devices at least comprises four jack devices which are arranged in a cross shape; a supporting rod is connected between the vertical rods on the opposite jack devices; the support rod is connected below the hoop reinforcement of the reinforcement cage.
Furthermore, the positioning base is a rectangular piece, and the width and the length of the rectangle are both larger than the outer diameter of the pile hole pile casing; the center of the four sides of the positioning base is connected with a jack device.
Furthermore, the cross section of the positioning base is a U-shaped part and comprises a base bottom plate and two parallel base vertical plates vertically connected above the base bottom plate; the width between the vertical plates of the base adapts to the diameter of the hydraulic jack.
Furthermore, the lateral surface of base riser is provided with the scale, and the connection can be dismantled at the corner to the base riser.
Furthermore, the limiting plate is connected between the hydraulic jack and the base bottom plate and is an angular plate or a square plate; the limiting plates are arranged at intervals in the width direction of the base bottom plate.
Furthermore, the lower end of the vertical rod is fixedly connected with a hydraulic jack, and the upper end of the vertical rod is in contact connection with a supporting rod; the pole setting upper end has the arc breach, and the diameter of arc breach adaptation bracing piece.
Furthermore, the length of the supporting rod is larger than the diameter of the pile hole pile casing, and a groove is formed in the outer surface of the supporting rod; the groove position adapts to the circumferential stirrup position, and the groove width and depth adapt to the circumferential stirrup diameter.
Furthermore, temporary protection measures are arranged on two sides of the steel reinforcement cage and comprise temporary protection supports or guy cables for fixation.
The beneficial effects of the utility model are embodied in:
1) the lifting jack device can assist the crane in bearing the reinforcement cage in the lifting process and is beneficial to the sectional assembly of the reinforcement cage;
2) the utility model is beneficial to the fixing of the jack device to increase the integrity thereof through the arrangement of the positioning base, and the detachable connection of the positioning base is convenient for quick installation and cyclic utilization;
3) the utility model is beneficial to bearing the weight of the steel reinforcement cage through the arrangement of the supporting rod, the arrangement of the groove on the supporting rod is convenient for limiting in the falling process of the steel reinforcement cage, and the contact connection of the supporting rod and the vertical rod is convenient for construction operation;
the components of the utility model are common components in construction, which are easy to be manufactured in construction site, and can ensure construction quality and save construction time; additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention; the primary objects and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description.
Drawings
FIG. 1 is a construction schematic diagram of a hoisting structure of a jack auxiliary column pile foundation reinforcement cage;
FIG. 2 is a schematic view of the connection construction of the jack device and the reinforcement cage;
fig. 3 is a connection structure of the jack device and the positioning base.
Reference numerals: the method comprises the following steps of 1-a reinforcement cage, 2-a pile hole protecting cylinder, 3-a positioning base, 31-a base bottom plate, 32-a base vertical plate, 4-a jack device, 41-a hydraulic jack, 42-an upright rod, 43-a limiting plate, 5-a supporting rod, 6-a lifting rope and 7-a crane.
Detailed Description
For example, as shown in fig. 1, a hoisting structure of a jack for assisting a hoisting of a pile foundation reinforcement cage 1 comprises a reinforcement cage 1 to be hoisted into a pile hole casing 2, a positioning base 3 connected to the periphery of the outer side of the pile hole casing 2, a set of jack devices 4 connected to the positioning base 3, a support rod 5 connected between the jack devices 4, and a crane 7 connected to the upper portion of the reinforcement cage 1 through a hoisting rope 6.
As shown in fig. 2, the reinforcement cage 1 includes vertical reinforcements and hoop reinforcements connected to the vertical reinforcements at intervals; the jack device 4 comprises a hydraulic jack 41, a vertical rod 42 connected to the upper part of the hydraulic jack 41 and a limit plate 43 connected between the hydraulic jack 41 and the positioning base 3; the set of jack devices 4 at least comprises four jack devices 4 which are arranged in a cross shape; the supporting rod 5 is connected between the upright rods 42 on the opposite jack device 4; the supporting rod 5 is a steel rod, and the required strength of the steel rod is determined according to the design weight of the reinforcement cage 1; the support rod 5 is connected below the hoop reinforcement of the reinforcement cage 1.
As shown in fig. 3, the positioning base 3 is a rectangular steel member, is made of U-shaped channel steel, and includes a base bottom plate 31 and two parallel base vertical plates 32 vertically connected above the base bottom plate 31; the width and the length of the channel steel are both larger than the outer diameter of the pile hole pile casing 2; the centers of the four sides of the positioning base 3 are welded or connected with the jack device 4 through connecting plates and bolts, and the connection can be adjusted according to the actual situation on site during the bolt connection.
In the embodiment, the width of the positioning base 3 is adapted to the diameter of the hydraulic jack 41; the outer side surface of the positioning base 3 can be provided with scales according to the size of the steel reinforcement cage 1 which needs to be installed on site, and the base vertical plate 32 is bolted, spliced or clamped at a corner.
In this embodiment, the position limiting plate 43 is a triangular steel plate, and the position limiting plate 43 is welded between the hydraulic jack 41 and the base bottom plate 31; two parallel limiting plates 43 are welded to one circumferential side of each hydraulic jack 41.
In this embodiment, the upright rod 42 is a steel rod, the lower end of the upright rod 42 is welded or screwed with the hydraulic jack 41, and the upper end is in contact with the support rod 5; the upper end of the upright rod 42 is provided with an arc-shaped notch which is suitable for the diameter of the supporting rod 5; the length of the support rod 5 is larger than the diameter of the pile hole pile casing 2, and a groove is formed in the outer surface of the support rod 5; the groove position adapts to the circumferential stirrup position, and the groove width and depth adapt to the circumferential stirrup diameter.
With reference to fig. 1 and 3, the construction method of the hoisting structure of the jack auxiliary pile foundation reinforcement cage 1 is further described, which is characterized by comprising the following specific steps:
firstly, manufacturing reinforcement cages 1 in sections, numbering the reinforcement cages 1 in a hoisting sequence, wherein the weight of each section of reinforcement cage 1 does not exceed the rated hoisting weight of a crane 7; and choose hydraulic jack 41 and bracing piece 5 according to the weight of integral erection steel reinforcement cage 1, and formulate the recess on the bracing piece 5 according to the diameter of the annular stirrup in steel reinforcement cage 1.
And step two, manufacturing the positioning base 3 according to the diameter of the pile hole pile casing 2 and the size of the selected hydraulic jack 41, connecting the positioning base 3 with the hydraulic jack 41 in advance through a limiting plate 43, and connecting the positioning base 3 with a ground foundation through foundation bolts.
And step three, connecting the hydraulic jacks 41 with a control system, simultaneously starting the two opposite hydraulic jacks 41, lifting the strokes of the two opposite hydraulic jacks 41 to the highest positions, then hoisting the reinforcement cage 1 of one pile foundation section by the crane 7 through the hoisting ropes 6, and connecting the support rod 5 between the hydraulic jacks 41 of the group to bear the weight of the reinforcement cage 1 after the reinforcement cage 1 enters the pile hole casing 2.
And fourthly, the crane 7 lifts the second section of reinforcement cage 1, the two sections of reinforcement cage 1 are welded into a whole, the support rod 5 falls along with the hydraulic jack 41, the falling speed of the hydraulic jack 41 is synchronous with that of the crane 7, and the crane 7 can also play a role in preventing the reinforcement cage 1 from swinging left and right at the same time of lifting.
And step five, starting another opposite hydraulic jack 41, lifting the stroke of the opposite hydraulic jack 41 to the highest position, connecting the support rods 5 to bear the weight of the reinforcement cage 1, and then removing the support rods 5 on the two hydraulic jacks 41 after the upper group of hydraulic jacks falls down.
Step six, after the support rods 5 on the two hydraulic jacks 41 after the upper group of the support rods 5 falls down are dismantled, the two hydraulic jacks 41 connected with the support rods 5 fall down synchronously, and the hydraulic jacks 41 are repeatedly lifted and lowered to alternately complete the auxiliary installation of the reinforcement cage 1 until all the reinforcement cages 1 are completely installed; and (5) after the concrete pouring of the pile foundation is finished, the reinforcement cage 1 does not sink any more, and the integral structure is dismantled.
In addition, in the fourth step and the fifth step, temporary protection measures are arranged for welding the two reinforcement cages 1 in the falling process of the reinforcement cages 1 or when the support rods 5 support the reinforcement cages 1, and the temporary protection measures comprise temporary protection bracket or cable rope fixing; and the verticality and the installation position of the reinforcement cage 1 are rechecked after the reinforcement cage 1 is welded each time. After the reinforcement cage 1 of each section is welded or the support rods 5 are exchanged, whether the vertical verticality and the position of the reinforcement cage 1 meet the requirement of the design and installation position needs to be checked again, and if not, the reinforcement cage 1 is adjusted in time.
The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be considered by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention.
Claims (8)
1. A lifting structure of a jack auxiliary pile foundation reinforcement cage is characterized by comprising a reinforcement cage (1) to be lifted into a pile hole casing (2), a positioning base (3) connected to the periphery of the outer side of the pile hole casing (2), a group of jack devices (4) connected to the positioning base (3), supporting rods (5) connected between the jack devices (4) and a crane (7) connected with the upper part of the reinforcement cage (1) through lifting ropes (6);
the reinforcement cage (1) comprises vertical reinforcements and hoop reinforcements connected to the vertical reinforcements at intervals;
the jack device (4) comprises a hydraulic jack (41), a vertical rod (42) connected to the upper part of the hydraulic jack (41) and a limiting plate (43) connected between the hydraulic jack (41) and the positioning base (3); the group of jack devices (4) at least comprises four jack devices (4), and the four jack devices (4) are arranged in a cross manner; a supporting rod (5) is connected between the vertical rods (42) on the opposite jack device (4); the support rod (5) is connected below the hoop reinforcement of the reinforcement cage (1).
2. A lifting jack auxiliary pile foundation reinforcement cage lifting structure as claimed in claim 1, wherein the positioning base (3) is a rectangular piece, the width and length of the rectangle are both larger than the outer diameter of the pile hole casing (2); the centers of the four sides of the positioning base (3) are connected with jack devices (4).
3. A lifting jack auxiliary pile foundation reinforcement cage lifting structure as claimed in claim 2 wherein said positioning base (3) is a U-shaped member in cross section comprising a base plate (31) and two parallel base risers (32) connected vertically above the base plate (31); the width between the vertical plates (32) of the base adapts to the diameter of the hydraulic jack (41).
4. A lifting jack auxiliary pile foundation reinforcement cage lifting structure as claimed in claim 3, wherein the outer side of the base riser (32) is provided with graduations, and the base riser (32) is detachably connected at the corner.
5. A lifting jack auxiliary pile foundation reinforcement cage lifting structure according to claim 1, wherein the limiting plate (43) is connected between the hydraulic jack (41) and the base bottom plate (31), and the limiting plate (43) is an angle plate or a square plate; the limit plates (43) are arranged at intervals in the width direction of the base bottom plate (31).
6. A lifting jack auxiliary pile foundation reinforcement cage lifting structure as claimed in claim 1, wherein the lower end of the vertical rod (42) is fixedly connected with the hydraulic jack (41), and the upper end contacts the connecting support rod (5); the upper end of the upright rod (42) is provided with an arc-shaped notch which is suitable for the diameter of the supporting rod (5).
7. A lifting jack auxiliary pile foundation reinforcement cage hoisting structure as claimed in claim 1, wherein the length of the support rod (5) is greater than the diameter of the pile hole casing (2), and the outer surface of the support rod (5) is provided with a groove; the groove position adapts to the circumferential stirrup position, and the groove width and depth adapt to the circumferential stirrup diameter.
8. A lifting jack auxiliary pile foundation reinforcement cage hoisting structure as claimed in claim 1, wherein temporary protection means are provided on both sides of the reinforcement cage (1), and the temporary protection means comprise temporary protection brackets or guy cable fixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921532344.1U CN210620106U (en) | 2019-09-16 | 2019-09-16 | Auxiliary pile foundation steel reinforcement cage hoisting structure of jack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921532344.1U CN210620106U (en) | 2019-09-16 | 2019-09-16 | Auxiliary pile foundation steel reinforcement cage hoisting structure of jack |
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| Publication Number | Publication Date |
|---|---|
| CN210620106U true CN210620106U (en) | 2020-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921532344.1U Active CN210620106U (en) | 2019-09-16 | 2019-09-16 | Auxiliary pile foundation steel reinforcement cage hoisting structure of jack |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110526153A (en) * | 2019-09-16 | 2019-12-03 | 中国建筑土木建设有限公司 | A kind of jack auxiliary pile foundation steel bar cage hangs structure and its construction method |
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2019
- 2019-09-16 CN CN201921532344.1U patent/CN210620106U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110526153A (en) * | 2019-09-16 | 2019-12-03 | 中国建筑土木建设有限公司 | A kind of jack auxiliary pile foundation steel bar cage hangs structure and its construction method |
| CN110526153B (en) * | 2019-09-16 | 2024-06-25 | 中国建筑土木建设有限公司 | Jack-assisted pile foundation reinforcement cage hoisting structure and construction method thereof |
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