CN210216490U - Tower crane landing leg anchor - Google Patents
Tower crane landing leg anchor Download PDFInfo
- Publication number
- CN210216490U CN210216490U CN201920694410.9U CN201920694410U CN210216490U CN 210216490 U CN210216490 U CN 210216490U CN 201920694410 U CN201920694410 U CN 201920694410U CN 210216490 U CN210216490 U CN 210216490U
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- top surface
- tower crane
- groove
- anchor rod
- ground pile
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Abstract
The utility model discloses a tower crane supporting leg anchoring device, which comprises a tower crane supporting leg and a ground pile groove arranged on the ground; a square expanding groove is formed in the top surface of the ground pile groove; a steel reinforcement cage is embedded in the ground pile groove; the top surface of the reinforcement cage is not lower than the top surface of the ground pile groove; a plurality of anchor rods are arranged on the inner side of the reinforcement cage; the bottom of the anchor rod is hook-shaped; the top surface of the anchor rod is provided with a thread section; the top of the anchor rod protrudes out of the top surface of the square expanding groove; an inner concrete column is poured in the ground pile groove; i-shaped steel is arranged on the top surface of the inner concrete column outside the anchor rod; an outer concrete layer is poured on the inner side of the square expansion groove; the top surface of the outer concrete layer and the top surface of the I-shaped steel are on the same plane; the tower crane supporting leg is attached to the top surface of the I-shaped steel, and the anchor rod is embedded into a flange hole of the tower crane supporting leg and locked through a nut. The utility model discloses a tower crane landing leg anchor, the commonality is strong, and anchoring member can bear the horizontal force and the torsional force of landing leg.
Description
Technical Field
The utility model relates to a tower crane subassembly, concretely relates to tower crane landing leg anchor belongs to tower crane subassembly technical field.
Background
The tower crane foundation is not only stressed, but also stressed by horizontal force, torsional force and the like; when the tower crane exceeds a certain height, installing pre-buried support legs of the tower crane on the tower crane foundation to ensure that the tower crane has enough anti-overturning capacity; at present, dozens of to hundreds of reinforced concrete are used as a fixed foundation, the supporting legs of the tower crane are fixed in the reinforced concrete foundation, the reinforced concrete is dug out to dig out the fixed supporting legs buried in the tower crane after the tower crane is used up, and then the concrete is completely removed and transported, so that the concrete is greatly wasted; for this reason, chinese patent application No.: 201620238879.8, a tower crane landing leg anchoring device is disclosed, which comprises a tower crane landing leg, wherein a bottom plate of the tower crane landing leg is provided with 4 anchoring holes, the tower crane landing leg positioning plate comprises a tower crane landing leg positioning plate, 4 lower anchoring plates, 4 lower anchor heads, 4 finish rolling deformed steel bars, 4 upper anchoring plates and 4 upper anchor heads, each lower anchoring plate is horizontally arranged in a pier expansion foundation, the lower ends of the 4 finish rolling deformed steel bars respectively vertically penetrate through the anchoring holes of the 4 lower anchoring plates, and the bottoms of the 4 finish rolling deformed steel bars are respectively fixed by the 4 lower anchor heads; the tower crane landing leg positioning plate is positioned at the top of the enlarged pier foundation, the tower crane landing legs are arranged on the tower crane landing leg positioning plate, an upper anchoring plate is arranged corresponding to each anchoring hole of the tower crane landing leg bottom plate, and the upper ends of the 4 pieces of finish-rolled deformed steel sequentially penetrate through the tower crane landing leg positioning plate, the tower crane landing leg bottom plate and the anchoring holes in the upper anchoring plate from bottom to top and are fixed by upper anchor heads; but its commonality is not strong, and it can't use to ordinary building, and in addition, its anchor point pulling force is less, and when the tower crane exceeded certain height, can't bear the horizontal force and the torsional force of landing leg.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a tower crane landing leg anchor, the commonality is strong, and anchor assembly can bear the horizontal force and the torsional force of landing leg.
The tower crane supporting leg anchoring device comprises a tower crane supporting leg and a ground pile groove arranged on the ground; a square expanding groove is formed in the top surface of the ground pile groove; a steel reinforcement cage is embedded in the ground pile groove; the top surface of the reinforcement cage is not lower than the top surface of the ground pile groove; a plurality of anchor rods are arranged on the inner side of the reinforcement cage; the bottom of the anchor rod is hook-shaped; the top surface of the anchor rod is provided with a thread section; the top of the anchor rod protrudes out of the top surface of the square expanding groove; an inner concrete column is poured in the ground pile groove; the steel reinforcement cage and the inner concrete column are poured to provide a supporting platform for the supporting leg, and an anchor rod poured inside the inner concrete column can bear the tensile force of the tower crane supporting leg; i-shaped steel is arranged on the top surface of the inner concrete column outside the anchor rod; an outer concrete layer is poured on the inner side of the square expansion groove; the top surface of the outer concrete layer and the top surface of the I-shaped steel are on the same plane; the tower crane supporting leg is attached to the top surface of the I-shaped steel, and the anchor rod is embedded into a flange hole of the tower crane supporting leg and locked by a nut; the outer concrete layer and the I-shaped steel are used for supporting the outside, so that an external supporting force can be provided for the tower crane supporting leg, and the pouring is simple and convenient; and the tower crane landing leg later stage can be installed and dismantled simply.
In a preferred embodiment, the ground pile groove and the reinforcement cage are cylindrical structures.
As a preferred embodiment, the I-shaped steel is attached to the outer edge of the anchor rod.
In a preferred embodiment, a threaded pull rod is arranged between the two I-shaped steels; the threaded pull rod is attached to the outer surface of the anchor rod, and the anchor rod can be clamped into a frame-shaped piece formed by the I-shaped steel and the threaded pull rod.
Compared with the prior art, the utility model discloses a tower crane landing leg anchor, the foundation of tower crane landing leg is pour simple and conveniently, and the commonality is strong, and anchor assembly can bear gravity, the horizontal force and the torsional force of landing leg, can guarantee the outer support stability of tower crane.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Detailed Description
Example 1:
the anchoring device for the tower crane supporting leg shown in the figure 1 comprises the tower crane supporting leg 1 and a ground pile groove 2 arranged on the ground; the top surface of the ground pile groove 2 is provided with a square expanding groove 3; a reinforcement cage 4 is embedded in the ground pile groove 2; the top surface of the reinforcement cage 4 is not lower than the top surface of the ground pile groove 2; a plurality of anchor rods 5 are arranged on the inner side of the reinforcement cage 4; the bottom of the anchor rod 5 is hook-shaped; the top surface of the anchor rod 5 is provided with a thread section; the top of the anchor rod 5 protrudes out of the top surface of the square expanding groove 3; an inner concrete column 6 is poured in the ground pile groove 2; the reinforcement cage 4 and the inner concrete column 6 are poured to provide a supporting platform for the supporting leg, and the anchor rod 5 poured inside the inner concrete column 6 can bear the tensile force of the tower crane supporting leg; the top surface of the inner concrete column 6 is provided with I-shaped steel 7 outside the anchor rod; an outer concrete layer 8 is poured on the inner side of the square expanding groove 3; the top surface of the outer concrete layer 8 and the top surface of the I-shaped steel 7 are in the same plane; the tower crane supporting leg 1 is attached to the top surface of the I-shaped steel 7, and the anchor rod 5 is embedded into a flange hole of the tower crane supporting leg 1 and locked by a nut 9; the outer concrete layer and the I-shaped steel are used for supporting the outside, so that an external supporting force can be provided for the tower crane supporting leg, and the pouring is simple and convenient; and the tower crane landing leg later stage can be installed and dismantled simply.
In another embodiment, the I-shaped steel 7 is attached to the outer edge of the anchor rod 5; a threaded pull rod 10 is arranged between the two I-shaped steels 7; the threaded tie rod 10 is attached to the outer surface of the anchor rod 5, which enables the anchor rod to be snapped into the frame profile formed by the i-steel 7 and the threaded tie rod 10.
Wherein, ground stake groove 3 and steel reinforcement cage 4 are cylindric structure.
The above-mentioned embodiment is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles of the present invention are included in the claims of the present invention.
Claims (4)
1. The utility model provides a tower crane landing leg anchor, includes the tower crane landing leg, its characterized in that: the device also comprises a ground pile groove arranged on the ground; a square expanding groove is formed in the top surface of the ground pile groove; a steel reinforcement cage is embedded in the ground pile groove; the top surface of the reinforcement cage is not lower than the top surface of the ground pile groove; a plurality of anchor rods are arranged on the inner side of the reinforcement cage; the bottom of the anchor rod is hook-shaped; the top surface of the anchor rod is provided with a thread section; the top of the anchor rod protrudes out of the top surface of the square expanding groove; an inner concrete column is poured in the ground pile groove; i-shaped steel is arranged on the top surface of the inner concrete column outside the anchor rod; an outer concrete layer is poured on the inner side of the square expansion groove; the top surface of the outer concrete layer and the top surface of the I-shaped steel are on the same plane; the tower crane supporting leg is attached to the top surface of the I-shaped steel, and the anchor rod is embedded into a flange hole of the tower crane supporting leg and locked through a nut.
2. The tower crane leg anchoring device of claim 1, wherein: the ground pile groove and the reinforcement cage are of cylindrical structures.
3. The tower crane leg anchoring device of claim 1, wherein: the I-shaped steel is attached to the outer edge of the anchor rod.
4. The tower crane leg anchoring device of claim 1, wherein: a threaded pull rod is arranged between the two I-shaped steels; the threaded pull rod is attached to the outer surface of the anchor rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920694410.9U CN210216490U (en) | 2019-05-16 | 2019-05-16 | Tower crane landing leg anchor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920694410.9U CN210216490U (en) | 2019-05-16 | 2019-05-16 | Tower crane landing leg anchor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210216490U true CN210216490U (en) | 2020-03-31 |
Family
ID=69926089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920694410.9U Active CN210216490U (en) | 2019-05-16 | 2019-05-16 | Tower crane landing leg anchor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210216490U (en) |
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2019
- 2019-05-16 CN CN201920694410.9U patent/CN210216490U/en active Active
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